CN115532957A - Numerical control equipment and process for manufacturing steel pipe bearing flaring - Google Patents

Numerical control equipment and process for manufacturing steel pipe bearing flaring Download PDF

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Publication number
CN115532957A
CN115532957A CN202110733973.6A CN202110733973A CN115532957A CN 115532957 A CN115532957 A CN 115532957A CN 202110733973 A CN202110733973 A CN 202110733973A CN 115532957 A CN115532957 A CN 115532957A
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China
Prior art keywords
shaping
plate
assembly
holes
socket
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Pending
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CN202110733973.6A
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Chinese (zh)
Inventor
陈珂
王天奕
其他发明人请求不公开姓名
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Jinan Xunlong Machinery Technology Co ltd
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Jinan Xunlong Machinery Technology Co ltd
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Priority to CN202110733973.6A priority Critical patent/CN115532957A/en
Publication of CN115532957A publication Critical patent/CN115532957A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/02—Enlarging

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

In the aspect of integral operation, all devices are matched and supplemented with each other, so that the system can operate more accurately and orderly; in the aspect of production efficiency, the method can realize the short time from the heating of the end part of the steel pipe to the completion of the manufacture of the bell mouth part, has high efficiency, saves energy and protects environment; in the aspect of quality guarantee, the mechanism adopts a medium-frequency heating, pressing and shaping manufacturing technology under digital control, and pressing and shaping of the steel pipe bearing flared part are realized through the inner and outer shaping dies, so that the diameter and the size of the inner and outer walls are ensured to be uniform in diameter and wall thickness; in the aspect of application range, the requirements of manufacturing the engineering bell-mouthed steel pipe with the diameter of the steel pipe of 400 mm to 4000 mm, the wall thickness of 4 mm to 40 mm and the pressure grade of 1.0 MPa to 20 MPa can be met.

Description

Numerical control equipment and process for manufacturing steel pipe bearing flaring
Technical Field
The invention relates to a manufacturing technology of a steel pipe bearing flaring, in particular to numerical control equipment and a process for manufacturing the steel pipe bearing flaring.
Background
The steel pipe in the background art refers to a spiral welded steel pipe, a steel rib reinforced spiral welded steel pipe, a straight welded steel pipe, and a seamless steel pipe having a diameter in a range of 400 mm to 4000 mm, and the heating critical point thereof is generally about 720 ℃.
In the prior art, the steel pipe bell-shaped opening part is manufactured by adopting a heating spinning and cold pressing spinning manufacturing process, the ellipticity and the production efficiency of the steel pipe bell-shaped opening part manufactured by adopting a heating pressing and shaping process are small, the production efficiency is high, particularly, the thickness of the bottom, the left wall, the right wall and other parts of the bell-shaped opening of the annular groove region is uneven at the annular groove part for placing the sealing rubber ring through the spinning process, the integral mechanical property structure of the bell-shaped opening part is damaged, the service life of the steel pipe is further influenced, and the problem is more prominent particularly under the condition that the anticorrosion layer process is not perfect.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides numerical control equipment and a process for manufacturing steel pipe bell-mouthed openings, and aims to realize the reinforcement of the overall mechanical property of the manufactured steel pipe bell-mouthed opening part by heating the end part of a steel pipe at a medium frequency on the premise of numerical control operation, keep the ellipticity within a design range, meet the pressure requirements of different water tightness, protect the environment, save energy and reduce the production cost for manufacturing the steel pipe bell-mouthed openings.
The invention is realized by the following technical scheme in order to achieve the aim of the invention:
a numerical control device for manufacturing a steel pipe bellmouth is characterized by comprising a bellmouth pressing and shaping die numerical control linkage mechanism, a frame device, a rail device, a hydraulic station, a control platform, a circuit, an oil pipe, a pipe fitting, a temperature measuring instrument and a fastener, wherein the bellmouth pressing and shaping die numerical control linkage mechanism is characterized by comprising a bellmouth inner opening and closing and shaping die linkage device and a bellmouth outer pressing and shaping die linkage device,
the bell mouth opening and closing shaping die linkage device is characterized by comprising a bell mouth opening shaping die I assembly body, a bell mouth inner shaping die II assembly body, a dovetail groove shaft assembly, an annular positioning plate assembly body, a transmission frame assembly body, a transmission rod assembly body, a spherical hinge lug ring, a hydraulic cylinder I, a hydraulic cylinder II, a pin shaft and a fastener, wherein the bell mouth opening shaping die I assembly body further comprises a bell mouth opening shaping die I, a trapezoidal sliding key rod I, a bearing connecting plate, a front positioning plate, a rear positioning block, a pin shaft I, a pin shaft II, a screw shaft, a bearing and a fastener, wherein the bell mouth opening shaping die I assembly body, the dovetail groove shaft assembly body, the annular positioning plate assembly body, the transmission frame assembly body, the transmission rod assembly body, the spherical hinge lug ring, the hydraulic cylinder I, the hydraulic cylinder II, the screw shaft, the bearing and the fastener are arranged in a closed manner,
the inner wall of the bell mouth inner arc plate is longitudinally provided with two connecting plates (the length of the two connecting plates is equal to or greater than the length between the front end surface and the rear end surface of the inner arc plate) which are arranged at the left side and the right side and are symmetrical to the central line of the sector surface of the bell mouth inner arc plate, the left end surface and the right end surface of the two connecting plates are provided with two large concentric holes and one small concentric hole at intervals in the front-back direction, the concentric holes are arranged to provide positioning points for the installation of the bearing connecting plate and the bearing, the inner wall of the inner arc plate is also provided with a plurality of rib plates at the front-back side, the purpose is to prevent the secondary deformation of the bell mouth inner shaping template I in application, and the rear part of the inner arc plate is also provided with an arc positioning plate; the middle area of the outer wall of the inner arc plate is at least provided with an annular groove, the areas of the front end part and the rear end part are respectively provided with a centripetal slope surface of more than 110 degrees, and the structural part is arranged to realize the opening and closing shaping of the inner wall of the steel pipe socket part;
the upper end face of the front end region of the trapezoid sliding key rod I is provided with a U-shaped groove with a given size, the U-shaped groove is arranged for providing an installation space for a bearing connecting plate, two groups of through holes which are spaced front and back and are concentric and two screw holes which are intersected with the concentric through holes are further arranged on two sides of the U-shaped groove, the two groups of concentric holes and the intersected screw holes are arranged for providing connection fixing points for installing the bearing connecting plate, two screw holes which are spaced front and back are arranged on the upper end face of the rear portion of the U-shaped groove and provide connection fixing points for a rear positioning block, a plurality of spaced screw holes are respectively arranged on the front end face and the rear end face of the trapezoid sliding key rod I, a plurality of screw holes on the front end face provide connection fixing points for the front positioning plate, a plurality of screw holes on the rear end face provide connection fixing points for one end of a transmission frame assembly, and the part is arranged for realizing motion track guiding and power transmission of an assembly body of the section I in the socket;
the bearing connecting plate is a steel component, arc-shaped surfaces are respectively arranged on the two end parts, a column hole notch concentric with the arc-shaped surfaces is also arranged, a bearing is arranged in the bearing connecting plate, and the bearing connecting plate is arranged to realize the change of different radial positions of the shaping die I in the bearing notch; the front positioning plate is provided with four column hole notches corresponding to a plurality of screw holes on the front end face of the trapezoidal sliding key rod I, the upper end of the front positioning plate is also provided with a slope surface with the angle larger than 1 degree, and the front positioning plate is provided with a part for limiting the rotation angle of the bearing connecting plate; the rear positioning block is a steel welding piece, the bottom of the rear positioning block is provided with two column hole notches corresponding to two screw holes which are arranged at the front and the rear of the upper end surface of the rear part of the U-shaped groove in the trapezoidal sliding key rod I and are arranged alternately, and the rear positioning block is arranged for limiting the rotation angle of the bearing connecting plate;
bear I assembly body overall space of design mould in mouth and lay and establish: by the dead eye of two bearing link board one ends of rotation function and built-in bearing, with set up in the bellmouth in the swage mould I that the inner wall vertically set up two link board two big concentric holes respectively the one-to-one insert close, it is fixed to connect through round pin I, the other end and set up in the trapezoidal sliding key pole I that has the slip function two sets of through-hole one-to-one of both sides and insert and close, connect fixedly through the silk axis, four post hole notches in the preceding locating plate that has preceding locate function correspond respectively with a plurality of silk hole that I preceding terminal surface of trapezoidal sliding key pole set up and connect fixedly, two post hole notches that the back locating piece that has back locate function set up correspond respectively with two silk holes that trapezoidal sliding key pole I set up at U type groove rear portion and connect fixedly, there are two at least bearings of roll motion function, correspond with an inner wall vertically set up two link board in the socket in the arc board a small hole and insert and close, connect fixedly through round pin II, wherein, the turned angle of bearing link board is less than 120 degrees, the slope face of preceding locating plate is greater than 1 degree, set up this sub-unit purpose: the multi-point opening and closing shaping device is used for realizing opening and closing shaping of the inner wall of the steel pipe socket part.
Through the application of adopting above-mentioned technique, the change of bearing even board angle is driving the radial position change of bellmouth internal forming mould I, when the bearing even board front end face of front end and the slope face coincidence of preceding locating plate, the radial position change value of bearing mouth internal forming mould I reaches minimum, when the bearing even board rear end face of rear end and the preceding terminal surface coincidence of back locating piece, the radial position change value of bearing mouth internal forming mould I reaches the biggest, bearing even board angle is less than 120 degrees in I assembly body of bellmouth internal forming mould.
Set II assembly bodies of utensil in the bellmouth, its structural design compares with I assembly body of mould in the bellmouth, and the difference lies in, in II assembly bodies of mould in the bellmouth, reduced preceding locating plate, increased in II in the bellmouth the curved surface area of the interior arc board outer wall of mould plate and reduced the length of trapezoidal sliding key pole II in the bellmouth, other structures all are the same with I assembly body of mould in the bellmouth, set up this sub-assembly purpose: the multi-point opening and closing shaping device is used for realizing multi-point opening and closing shaping of the inner wall of the steel pipe socket part;
the dovetail groove shaft assembly is a steel welding and/or casting structural part and comprises a dovetail groove shaft, a sleeve, an arc connecting plate, a rib plate, a bottom plate and a semicircular flange, wherein the dovetail groove shaft is a cylinder, at least three dovetail grooves are uniformly distributed on the circumferential surface of the dovetail groove shaft, at least three dovetail grooves are formed for providing a guide sliding channel for a trapezoidal sliding key rod I and a trapezoidal sliding key rod II in a socket internal shaping die assembly I and a socket internal shaping die assembly II, a stepped cylinder and a central screw hole are formed in the front end surface of the dovetail groove shaft, a plurality of screw holes are uniformly distributed in the front end surface between adjacent dovetail grooves, a stepped cylinder and a central screw hole are formed, a plurality of screw holes are uniformly distributed, a mounting fixing point is provided for a central circular plate and a meter-shaped fixing piece in an annular positioning plate assembly, the rear end surface of the sleeve is flush with the rear end surface of the dovetail groove shaft, and is respectively communicated with the front and rear of and concentric welding and/or casting connection with the inner wall of the sleeve and a plurality of protruding parts of the dovetail groove shaft through the arc connecting plate with the sleeve and the dovetail groove shaft; the left side and the right side of the bottom plate are provided with a plurality of through holes in a front-back alternate and symmetrical manner, are level with the front end surface of the sleeve and are in welded connection and/or cast connection in a left-right symmetrical tangent manner, and the through holes provide positioning points for connection with the fixing frame; the rib plates are in a right-angle arc shape, have the same radian size as the outer wall of the sleeve, are bilaterally symmetrical and are connected with the outer wall of the sleeve and the upper end face of the bottom plate in a welding and/or casting way at intervals in the front and back directions; the semi-circular flange middle circumference is evenly distributed and is provided with a plurality of through-hole, and the rear end face flushes with sleeve rear end face, the cross-section is at telescopic upper half with the parallel seam of bottom plate and/or casting, set up a plurality of through-hole and provide the setpoint for being connected with the mount, set up the main objective of this sub-assembly and be: the mounting and positioning space is provided for the circumferential concentric arrangement of the assembly body of the bell mouth internal shaping die I and the assembly body of the bell mouth internal shaping die II and the concentric arrangement and connection of the annular positioning plate assembly body and the bell mouth external pressing shaping die linkage device;
the annular positioning plate assembly comprises a central circular plate, a plurality of circular rings concentric with the central circular plate, a fixing piece in a shape like a Chinese character 'mi' and a fastening piece, wherein the central part of the central circular plate is provided with a central through hole, a plurality of through holes are uniformly distributed in the inner ring direction between the central through hole and the edge region, and a plurality of semicircular screw holes are uniformly arranged in the ring direction by taking the outer edge line as the center; the plurality of concentric rings are respectively and uniformly distributed with a plurality of groups of semicircular wire holes taking the inner edge and the outer edge as centers in the circumferential direction, wherein the outermost concentric ring is only uniformly distributed with a plurality of semicircular wire holes in the circumferential direction taking the inner edge and the outer edge as centers; the rice style of calligraphy mounting is the steel component to set up by the through-hole at the central point, along three piece at least fixed laths of central point annular equipartition radiation, and fixed lath connects the outer ring, still alternate be provided with a plurality of through-hole and respectively with central plectane central through-hole, through-hole in every fixed lath radial center line department, two liang of registrates a plurality of groups screw hole that form in central plectane and a plurality of concentric rings should be connected fixedly, and the purpose that sets up this sub-assembly is: in order to limit the running space of the flaring-bearing inner forming dies I and II with different specifications and sizes and ensure that the flaring-bearing inner forming dies I and II do radial change movement on the same plane;
the transmission frame assembly comprises a front cross-shaped fixing plate, a rear cross-shaped fixing plate, a hydraulic cylinder I connecting screw rod, square steel, a ball hinge lug ring connecting block and a fastener, wherein a through hole is formed in the center of the front cross-shaped fixing plate, the center through hole is arranged to provide a passage for a transmission rod in the transmission rod assembly, at least two fixing plates are uniformly radially radiated along the center through hole, 2 through holes which are alternate are formed in each fixing plate, a connecting fixing point is provided for the square steel by setting 2 through holes, at least two groups of through holes are uniformly distributed in the circumferential direction in the area between the center through hole and the radiated at least two fixing plates, and the two groups of through holes are arranged to provide connecting fixing points for connection with a socket inner shaping die assembly I; the center of the rear cross-shaped fixing plate is provided with a concave circle, a positioning welding point is provided for the hydraulic cylinder I to connect with the screw rod, and the other structures except the two groups of through holes and the central through hole are the same as those of the front cross-shaped fixing plate; the one end of I connecting screw of pneumatic cylinder and the concave circle coincidence and the seam of the center setting of back cross fixed plate are connected, the other end is provided with silk portion region and even piece is connected fixedly with the ball hinge ear, both ends face is provided with alternate 2 silk holes about respectively around the square steel and respectively with preceding, in the back cross fixed plate the radiation has at least two through-holes that the fixed plate set up to correspond to be connected fixedly, ball hinge ear ring even sets up the regional spiral of silk portion and closes in the piece and I connecting screw of pneumatic cylinder and is connected, sets up the purpose of this sub-assembly: the hydraulic cylinder I and a plurality of assembly bodies of the set flaring internal forming die I are coaxially arranged and connected and are conducted with the same power;
the transmission rod assembly is a steel structural part and comprises a transmission connecting plate, a transmission rod and a spherical hinge lug ring connecting block, wherein a concave circle is arranged at the center of the transmission connecting plate to provide a welding positioning space for the transmission rod, at least 2 fixing plates are uniformly distributed and radiated along the circumferential direction of the concave circle, and 2 through holes are arranged in each fixing plate at intervals and are used for providing connection fixing points with a socket inner forming die assembly II; the one end of transfer line is connected with the concave circle coincidence welding that the transmission link plate set up, the other end is provided with the silk portion region, ball pivot earrings link the piece and be the steel structure, and the outward appearance is the U type form and be provided with on the bottom center link up silk hole, the left and right sides face and be provided with concentric perforating hole and make the silk portion region of link up silk hole and transfer line one end setting that the bottom center set up close soon and be connected, set up the purpose of this sub-assembly: the coaxial arrangement connection and the same power conduction of the hydraulic cylinder II and a plurality of assembly bodies of the sleeved flaring internal forming die II are realized;
the whole space of the linkage device of the opening and closing shaping die in the bearing opening is arranged as follows: from front to back in sequence: by fixing the annular locating plate assembly body that has I and II operation space functions of interior design mould of injecing in the socket at dovetail axle composite member front end, by trapezoidal smooth key pole I and trapezoidal smooth key pole II in I and II assembly bodies of at least two sets of sockets, correspond sliding fit connection respectively with four at least dovetails that the circumference set up dovetail axle in the dovetail axle composite member and set up, the shape when the maximum diameter position was located to design mould I and II in the socket presents for a whole circle to the realization is to steel pipe socket portion internal diameter design size preparation, and in the socket between the interior design mould I and II interior arc-shaped plate inclined plane alternate cooperation, the inclined plane alternate cooperation indicates: when the shaping dies I and II in the plurality of socket openings form a complete circle, a gap of at least 1 mm is reserved between the inclined planes of the two inner arc-shaped plates, and the inclined directions of the inclined planes are alternatively matched; along the direction intersecting with the central line of the sector surfaces of the two inner arc-shaped plates, at least two groups of through holes arranged in a transmission frame assembly with a conduction function and a front cross-shaped fixing plate are correspondingly connected and fixed with the rear ends of the trapezoidal sliding key rods I in at least two sets of assembling bodies of the socket internal shaping molds I, at least two groups of through holes arranged in a transmission connecting plate in the transmission rod assembly with the transmission function are correspondingly connected and fixed with the alternate screw holes arranged at the rear ends of the trapezoidal sliding key rods II in at least two sets of assembling bodies of the socket internal shaping molds II, a ball hinge ear ring inserted in the rear part of the transmission frame assembly and connected by a pin shaft, a hydraulic cylinder I connected with the ball hinge ear ring in the transmission frame assembly, a ball hinge ear ring inserted in the rear part of the transmission rod assembly and connected by a pin shaft, a hydraulic cylinder II connected with the ball hinge ear ring, and the hydraulic cylinder II is arranged in the frame space of the transmission frame assembly, the dovetail groove shaft assembly, an annular positioning plate, a socket internal shaping mold assembly and a transmission frame assembly I, a transmission rod assembly and a hydraulic cylinder II are coaxially arranged, and a target device is arranged: the steel pipe socket part inner diameter shaping mold is designed to be a whole circle when the inner shaping molds I and II in the socket part are operated to the maximum diameter position, and the design size requirements of the whole circle degree and the inner diameter shaping size of the produced steel pipe socket part are met.
By adopting the technical scheme, the linkage devices of the opening and closing shaping dies in the bell mouth form independent operation spaces, and the reciprocating motion of the hydraulic cylinder I drives the assembly bodies of the shaping dies I in the bell mouth to reciprocate synchronously through the conduction of the transmission frame assembly; when the hydraulic cylinder I moves forwards, the trapezoidal sliding key rod I in a plurality of sets of socket mouth internal shaping dies I assembly bodies is driven simultaneously, the forward movement is carried out in a plurality of dovetail grooves arranged in dovetail groove shafts, when the forward movement is carried out until bearings arranged in the plurality of sets of socket mouth internal shaping dies I assembly bodies are tangent to the surface of an annular positioning plate assembly body, the radial movement is carried out synchronously through the transmission of the rotation angle of the bearing connecting plate and the plurality of sets of socket mouth internal shaping dies I, when the forward movement is carried out until the rear end surface of the rear bearing connecting plate is superposed with the front end surface of the rear positioning block, the bearing connecting plate and the trapezoidal sliding key rod I form a 90-degree angle vertical shape, at the moment, the radial position change of the plurality of sets of socket mouth internal shaping dies I reaches the maximum value, and the forward movement of the hydraulic cylinder I is stopped; similarly, when the hydraulic cylinder II moves forwards, a plurality of trapezoidal sliding key rods II in a plurality of sets of socket mouth shaping die II assembly bodies are simultaneously driven by the conduction of the transmission rod assembly parts, the trapezoidal sliding key rods II move forwards in a plurality of dovetail grooves arranged on the dovetail groove shaft, when the hydraulic cylinder II moves forwards to enable bearings arranged on the plurality of sets of socket mouth shaping die II assembly bodies to be tangent to the plate surface of the annular positioning plate assembly body, the bearing connecting plate and the trapezoidal sliding key rods II form a 90-degree angle vertical shape by the conduction of the rotation angle of the bearing connecting plate and the synchronous radial movement of the plurality of socket mouth shaping die II, when the hydraulic cylinder II moves forwards until the rear end surface of the rear bearing connecting plate is superposed with the front end surface of the rear positioning block, the radial position change of the plurality of socket mouth shaping die II reaches the maximum value, the forward movement of the hydraulic cylinder II stops, the plurality of socket mouth shaping die I and the trapezoidal sliding key rods II form a whole circle in the same vertical plane, thereby realizing the size shaping manufacture of the inner wall of the steel pipe socket part, at the moment, firstly, the hydraulic cylinder I moves backwards, then the hydraulic cylinder II moves backwards, a plurality of trapezoidal sliding key rods I and II in a plurality of socket mouth shaping dies I and II are simultaneously driven by the conduction of the transmission frame assembly and the transmission rod assembly, the hydraulic cylinder II moves backwards in a plurality of dovetail grooves arranged on a dovetail shaft, the sliding key rods I and II are transmitted by the rotation angle of a bearing connecting plate, bearings arranged in a plurality of socket mouth shaping dies I and II roll on the surface of the annular positioning plate assembly to move centripetally, when the socket mouth shaping dies I move centripetally to ensure that the front end surface of the front bearing connecting plate is superposed with the gradient surface of the front positioning plate, the radial position change of the socket mouth shaping dies I reaches the minimum value, similarly, when the radial position change of the plurality of bell mouth internal shaping dies II reaches the minimum design value, the backward movement of the hydraulic cylinder II is stopped, the arranged bearing is still tangent to the plate surface of the annular positioning plate assembly body, and when the plurality of bell mouth internal shaping dies I are arranged at the design value of the rear end of the plurality of bell mouth internal shaping dies II, the backward movement of the hydraulic cylinder I is stopped;
the bell mouth outer pressing and shaping mold linkage device is characterized by comprising a fixing frame, a bell mouth outer shaping mold I assembly body, a bell mouth outer shaping mold II assembly body, a left-right rotating wire positioning rod, a rolling linear guide rail pair, a connecting nut welding piece, a hydraulic cylinder III, a supporting tube welding piece and a fastening piece, wherein the fixing frame is fixed on the bell mouth outer shaping mold I assembly body,
the fixing frame is a steel frame body which is formed by arranging square tubes in a criss-cross mode, is externally rectangular and is internally welded by a polygon body, a positioning hole connected with a dovetail groove shaft assembly is further formed in the frame body, a panel is welded on the front end face of the rear part of the frame body, a guard plate is arranged on the circumference of the polygon body, a perforated foundation connecting plate is welded at the bottom of the square tubes on the periphery, a lifting hook is welded at the upper part of the square tubes, and a plurality of hydraulic cylinder III fixing plates are arranged in the polygon body; the central area of the hydraulic cylinder III fixing plate is provided with a central through hole, a plurality of through holes are uniformly distributed along the circumferential direction of the central through hole, a channel and a connecting positioning point are provided for the installation of the hydraulic cylinder III, two alternate wire holes and one through hole are respectively arranged on two sides of the plurality of through holes, positioning points are provided for the connection with a supporting tube welding piece or a bearing sleeve, the arrangement number of the hydraulic cylinder III fixing plates is the same as that of the inner polygonal bodies in the fixing frame, and the hydraulic cylinder III fixing plates are uniformly arranged and welded in the inner wall of the polygonal bodies in the circumferential direction by taking the centers of the polygonal bodies as the circle centers; the panel can adopt a structure of a whole steel plate and/or a spliced steel plate, a central through hole is arranged in the central area of the panel to provide an installation passage for a dovetail groove shaft assembly, the center of the central through hole is superposed with the central point of the polygonal body, a plurality of rows of alternate screw holes are uniformly distributed along the circumferential direction of the central through hole and provide connection positioning fixing points for a guide rail in a rolling linear guide rail pair, a plurality of through holes are arranged in a plurality of rows of alternate screw holes and provide connection positioning fixing points and passages for a support rod welding piece and an oil inlet and return pipe, and the component is arranged to provide installation positioning and operation space for an operation component;
i assembly body of design mould outside the bellmouth, including the bellmouth design mould I outward, flange connecting rod seam piece, levogyration screw, dextrorotation screw, tensioning levogyration screw, connecting rod I, connecting rod II and fastener, wherein, the bellmouth design mould I is steel seam and/or casting structure outward, and its space is laid and is: the rectangular wire block is arranged on the outer wall symmetrical to the central line of the sector surface of the outer arc plate, a plurality of wire holes tangent to the outer wall of the outer arc plate are evenly distributed in the circumferential direction of the upper end surface of the rectangular wire block, the wire holes with given depth are further formed in the front end surface of the rectangular wire block, the purpose of circumferentially arranging the plurality of wire holes and the wire holes with given depth is to provide connecting fixing points for a flange connecting rod welding piece and a left-right rotating wire positioning rod, rib plates which are symmetrical and alternate in the front and back are arranged on the left side and the right side of the rectangular wire block, the front end surface and the back end surface of two rib plates which are symmetrical in the front and back are provided with concentric holes are parallel and level with the front end surface and the back end surface of the outer arc plate, the purpose of arranging the concentric holes is to provide a positioning channel for a connecting rod II, the purpose of arranging the rib plates is to prevent secondary deformation of a socket outer shaping die I in the application process, gradient surfaces which are larger than the centripetal 110 degrees of the front and back end areas of the inner wall of the outer arc plate are respectively provided with at least one convex rib, and the middle area of the structural member is arranged to realize the pressing and shaping of the outer wall of a steel pipe socket.
The flange connecting rod welding piece is a cylindrical steel component and comprises a flange connecting rod, a positioning connecting plate, an upper flange plate and a lower flange plate, wherein the upper flange plate and the lower flange plate are in flush welding connection with two end faces of the flange connecting rod; the positioning connecting plate is a steel component with an H-shaped appearance, a central through hole is formed in the center of the upper end face of the positioning connecting plate, a passage is provided for connection with a flange connecting rod, two concave space symmetrical to a central line are further formed in the left side and the right side of the central hole, an installation space is provided for a left-handed screw nut, two support areas are further respectively arranged on the two sides of the two concave spaces, a radian surface and concentric holes concentric with the radian surface are respectively formed in the two ends of the central hole, and the purpose of forming the concentric holes is to provide a positioning passage for the connecting rod I;
one end of the left-handed screw nut is provided with a radian surface and a through hole concentric with the radian surface, and a left-handed central screw hole with a given depth is also arranged on the bottom end surface parallel to the through hole; the middle area of the tensioning left-right screw rod is provided with a raised polygonal body, and cylinders with equal length and left-right screw part areas are respectively arranged along the two ends of the polygonal body and are respectively connected and fixed with screw holes in a left-handed screw nut and a right-handed screw nut;
the space of the I assembly body of the bell mouth outer shaping die is distributed as follows: by a plurality of through-hole that lower flange dish circumference set up in the flange connecting rod seam piece, with the bellmouth in the outer design mould I cuboid silk piece up end circumference even a plurality of silk hole correspondence that sets up of cloth connect soon fixedly, by the left and right hand lead screw of tensioning that has regulatory function respectively with control the screw nut and be connected fixedly, control the screw nut respectively with flange connecting rod seam piece in two concave part spaces that set up in the even board of location and the bellmouth in the outer design mould I intermediate rib plate insert the closure, and correspond with the concentric hole that respectively sets up, it is fixed to be connected by connecting rod I and II registries of connecting rod, set up this sub-assembly purpose: the steel pipe socket part outer wall multi-point pressing and shaping device is used for realizing multi-point pressing and shaping of the outer wall of the steel pipe socket part.
Through adopting above technique, adjust the left and right handed lead screw of tensioning that sets up left and right sides in I assembly body of bellmouth outer sizing die, make flange connecting rod seam piece in the flange connecting rod keep on the central line position of I sector of bellmouth outer sizing die to form the atress structure of an isosceles right triangle form, consequently prevented that flange connecting rod axis skew bellmouth outer sizing die I sector central line, leaded to the emergence of the I concentrated load of outer sizing die, the uneven circumstances of atress.
II assembly bodies of bellmouth outer design mould, its structural design and bellmouth outer design mould I assembly body compare, and the difference lies in, in II assembly bodies of bellmouth outer design mould, has increaseed in II outer design moulds of bellmouth outer design mould outside the curved surface area of outer arc outer wall, other structures all with I assembly bodies of bellmouth outer design mould the same, set up this sub-assembly purpose: the multi-point press-fit shaping device is used for realizing multi-point press-fit shaping of the outer wall of the socket part of the steel pipe;
left-hand rotation silk locating lever middle zone is provided with the bellied polygon body, is provided with the cylindricality region respectively along polygon body both ends and controls and revolve silk portion region, and wherein levogyration silk portion region provides connection space for the connection of polyhedron cylindricality screw in the connection screw seam piece, and dextrorotation silk portion region provides connection space for the given degree of depth screw hole that the cuboid silk piece front end face set up in the bellmouth outer design mould I and II provides connection space, sets up the purpose of this part: in order to ensure that the distance between the assembly bodies I and II outside the bell mouth and the sliding block in the rolling linear guide rail pair is adjusted to be equal, the assembly bodies I and II outside the bell mouth are ensured to run on the same plane;
the rolling linear guide rail pair comprises a guide rail and a sliding block, the invention adopts functional components of the type of the rolling linear guide rail pair, and certainly, the invention can also adopt the following components: any one of the rolling linear guide sleeve pair, the rolling spline pair and the rolling guide rail block functional part sets the purpose of the assembly: in order to ensure the positioning and guiding of the motion tracks of the assembly bodies of the bellmouth outer shaping molds I and II;
the connecting nut welding piece is a steel member formed by welding a bottom plate provided with column hole notches in four corner regions and a polygonal cylindrical nut provided with a left-handed inner screw hole, wherein the column hole notches in the bottom plate provide positioning points for connection with a slide block screw hole in a rolling linear guide rail pair; the support tube welding part is formed by welding a square tube and perforated connecting plates welded on two sections, and is arranged for preventing the occurrence of micro deformation of the fixing frame in application;
the spatial layout of the bell mouth outer pressing shaping mold linkage device is as follows: correspond by a plurality of sets of pneumatic cylinder III and the mount in set up a plurality of pneumatic cylinder III fixed plates and be connected fixedly, set up the guide rail in the rolling linear guide pair that motion trail guide effect was provided to the assembly body for bellmouth outer design mould I and II by a plurality of sets, correspond with the mount mid-plate and be connected fixedly with a plurality of rows of alternate screw holes, by the post hole notch that connects female seam assembly intermediate floor setting, correspond with rolling linear guide pair well slider screw hole and be connected fixedly, set up adjacent with a plurality of sets of pneumatic cylinder III by bellmouth outer design mould I and II assembly body and be connected fixedly, and the bellmouth outer design mould I and II in between the outer arc on inclined plane alternate cooperation, the alternate cooperation on inclined plane indicates: when a plurality of bell mouth outer shaping dies I and II form a whole circle, at least 1 millimeter of clearance is reserved between two outer arc-shaped plate inclined planes, and the inclined directions of the inclined planes matched with each other alternately refer to that: along the crossing direction with two outer arc plate sector central lines, when I and II of bellmouth external fixation mould moved to the minimum diameter position, appear as a whole circle in same vertical plane, thereby realize steel pipe bellmouth portion outer wall size design preparation, enable the bellmouth external fixation mould I and II assembly bodies to keep at the coplanar by a plurality of, and have regulatory function's the levogyration screw locating lever, respectively with the bellmouth external fixation mould I and II in the screw hole of the definite degree of depth that the cuboid silk piece set up and connect the screw seam piece in multilateral body cylindricality screw one-to-one and connect fixedly, set up this device purpose with the screw hole that the III fixed plate of pneumatic cylinder set up in the mount in the foraminiferous connecting plate that sets up at a plurality of stay tube seam piece both ends respectively and the corresponding through-hole one-to-one that sets up in the panel, set up the device purpose: in order to ensure that the assembly bodies of the bellmouth outer shaping dies I and II run on the same plane and form a whole circle when centripetally running to the position with the minimum diameter through the bellmouth outer shaping dies I and II, the outer diameter sizing size of the bell mouth part of the manufactured steel pipe is guaranteed, and the design size requirement of the roundness is met.
Through adopting above technique, make the outer pressfitting of bellmouth design mould aggregate unit form a whole, the synchronous reciprocating motion of a plurality of sets of pneumatic cylinders III is driving a plurality of sets of bellmouth outer design mould I and II assembly bodies to do radial variation motion simultaneously, under the conduction of controlling the spiral locating lever, also driving the slider to do radial variation motion in the guide rail simultaneously, through the connection of left and right spiral locating lever and bellmouth outer design mould I and II assembly bodies and connection screw nut seam piece equidistance respectively, guaranteed the radial operation of bellmouth outer design mould I and II assembly bodies in the coplanar, work as
When the designed value of centripetal movement is reached, the outer shaping dies I and II of the plurality of sockets form a whole circle.
Through the technology of integrating the linkage device of the inner opening-closing shaping die of the bellmouth and the linkage device of the outer pressing-closing shaping die of the bellmouth, the space layout of the numerical control linkage mechanism of the bellmouth pressing-closing shaping die is as follows: the numerical control linkage mechanism of the bellmouth pressing and shaping mould is formed by a plurality of through holes arranged on a bottom plate of a dovetail groove shaft assembly in the bellmouth inner-opening and closing and shaping mould linkage device and positioning holes arranged on a fixing frame in the bellmouth outer-pressing and closing and shaping mould linkage device respectively corresponding to each other, and enabling assembly bodies I and II of the bellmouth inner-opening and outer-shaping moulds in the bellmouth inner-opening and outer-shaping mould linkage device to concentrically correspond to each other and be connected and fixed,
the rack device is a structural rack formed by horizontally and vertically staggered square pipes, and by dividing, dividing and welding three layers of a bottom and a middle layer, wherein a space and a positioning hole which are convenient for installing a bell outer pressing and shaping die linkage device are arranged at the front end part, a lifting hook which is convenient for hoisting the rack device is welded at the upper layer, a hydraulic cylinder I fixing plate and a hydraulic cylinder II fixing plate are welded at the longitudinal middle area of the upper end surface of the middle layer, a perforated fixing and connecting plate which is convenient for installing a rack in a moving mode is welded at one side of the upper end surface of the bottom layer, a carrier roller wheel with adjustable height is arranged between the bottom layer and the middle layer and above the fixing and connecting plate in 2 groups, three rows of alternate middle and right longitudinal middle support roller assemblies are also arranged at the lower end surface of the bottom layer, positioning hole connecting plates are respectively welded at the front end surfaces of the square pipes at the left end and the right end surfaces of the middle layer, positioning hole connecting plates are welded at the front end parts between the upper layer and the middle layer, semicircular flange connecting plates with a plurality of through holes uniformly distributed at the middle layer are welded at the front end surface between the middle layer, positioning hole connecting plates are parallel to the positioning hole end surface, a plurality of middle layer, a dovetail groove shaft connecting plate connected are also arranged at the upper end surface of the front part of the middle layer, a guard plate is upwards arranged on the structural rack device, and the middle layer, and the rack device can be integrally welded with the fixing frame according to the bell outer pressing and the fixing frame according to transportation condition; the frame moving power source consists of a speed reducer motor, a transmission gear and a fastener, the transmission gear and the output shaft of the speed reducer are sleeved and fixed by a key, and a base hole in the speed reducer is correspondingly connected and fixed with a hole in a fixed connecting plate with a hole;
the track device is formed by horizontally and vertically arranging and welding three light rails and a plurality of steel plates in a staggered manner, the light rails are arranged corresponding to a plurality of support roller assemblies in three rows in the rack device, a transmission rack is arranged in the longitudinal middle area, and limit switches are respectively arranged in the upper end surfaces of two end areas of one light rail;
through comprehensively adopting above technical scheme, steel pipe bellmouth preparation numerical control equipment's space is laid and is established as: two through holes in a base plate arranged on a fixing frame in a linkage device of a bell mouth external pressing shaping die are respectively in one-to-one correspondence with positioning holes arranged at the front end part of a rack device, positioning hole connecting plates welded by front sections of square tubes at the left end and the right end of a middle layer on the rack device and corresponding holes arranged on a panel in the linkage device of the bell mouth external pressing shaping die are respectively in one-to-one correspondence with positioning holes and welded and fixed, rollers in a plurality of sets of support roller assemblies arranged on a bottom layer in the rack device are respectively in rolling fit with three light rails in a track device of the bell mouth rack, a transmission gear in a rack moving power source is meshed and connected with a transmission rack in the track device, a plurality of through holes respectively arranged on a bottom plate and a semicircular flange in a dovetail groove shaft assembly in the linkage device of the bell mouth internal pressing shaping die are respectively in one-to-one correspondence with the positioning holes arranged at the front end of the middle layer of the rack device and a plurality of through holes in the semicircular flange connecting plates, the hydraulic cylinder I and the hydraulic cylinder II in the bellmouth internal-opening-closing shaping die linkage device are respectively connected and fixed with a hydraulic cylinder I fixed plate and a hydraulic cylinder II fixed plate which are arranged on the middle layer of a rack device in a one-to-one correspondence way, and the bottom end surface of bottom square steel in a transmission frame assembly in the bellmouth internal-opening-closing-shaping die linkage device is in tangent rolling fit with 2 groups of roller wheels with adjustable height arranged in the rack device, the purpose is to enable the transmission frame assembly to do smooth reciprocating motion, a hydraulic station is arranged in the rear part area of the bottom layer in the rack device, a temperature measuring instrument is arranged at the front end part of a fixed frame in the bellmouth external-opening-closing-shaping die linkage device, a control platform is arranged at one side of the rack device, and is respectively communicated with an oil inlet and return port of the hydraulic cylinder I, the hydraulic cylinder II and the hydraulic cylinder III and the hydraulic station by oil pipes and pipe fittings, the hydraulic station, the frame moving power source, the temperature measuring instrument, the limit switch and the control platform are respectively communicated in a point-to-point corresponding mode through lines.
By integrating the application of the technology, the numerical control equipment for manufacturing the steel pipe socket forms an integral operating system, the hydraulic cylinder I is started, and the shaping dies I in the plurality of sockets simultaneously do radial position change movement under the conduction of parts; the device comprises a plurality of bell mouth outer shaping molds I, a plurality of bell mouth outer shaping molds II, a plurality of track devices, a hydraulic cylinder II, a hydraulic cylinder III and a rack moving power source, wherein the bell mouth outer shaping molds I and the bell mouth outer shaping molds II are arranged on the same plane, the hydraulic cylinder II is started to make the bell mouth inner shaping molds II perform radial position change motion simultaneously under the conduction of parts, the hydraulic cylinder III is started to make the bell mouth outer shaping molds I and the bell mouth outer shaping molds II perform radial position change motion simultaneously on the same plane under the conduction of parts, and the rack moving power source is started to make the rack device perform back and forth movement along the track devices under the conduction of parts.
Further, the bellmouth internal-opening-closing shaping mold linkage device and the bellmouth external-pressing-closing shaping mold linkage device in the bellmouth pressing-shaping mold numerical control linkage mechanism are characterized in that the bellmouth internal-shaping mold assembly I, the bellmouth internal-shaping mold assembly II, the bellmouth external-shaping mold assembly I and the bellmouth external-shaping mold assembly II are concentrically arranged at intervals, and inclined planes of the internal and external arc-shaped plates are alternately matched, wherein the inclined planes are alternately matched, and the inclined plane is alternately matched: when a plurality of sets of bellmouths in design mould I and a plurality of sets of bellmouths in design mould II formed into a whole circle, when a plurality of sets of bellmouths outer design mould I and a plurality of sets of bellmouths outer design mould II formed into a whole circle, remain the clearance of 1 millimeter at least between two liang of adjacent inside and outside arc-shaped plate inclined planes, the alternate complex incline direction in inclined plane indicates: along the direction intersecting the center line of the sector surfaces of the inner arc plate and the outer arc plate which are adjacent to each other.
A steel pipe bell mouth manufacturing numerical control device and a process are characterized by comprising a steel pipe bell mouth manufacturing numerical control device and a steel pipe bell mouth manufacturing numerical control device, wherein the steel pipe bell mouth manufacturing numerical control device is the steel pipe bell mouth manufacturing numerical control device;
steel pipe flaring preparation numerical control equipment, its characterized in that, under the unchangeable prerequisite of above-mentioned steel pipe bellmouth preparation numerical control equipment design structure principle, with bellmouth internal expanding and closing design mould aggregate unit, change for bellmouth internal expanding and closing design mould aggregate unit, close design mould aggregate unit with bellmouth external pressure, change for bellmouth external pressure and close design mould aggregate unit, with bellmouth pressfitting design mould numerical control link mechanism, change for bellmouth pressfitting design mould numerical control link mechanism, just converted steel pipe flaring preparation numerical control equipment by steel pipe bellmouth preparation numerical control equipment into, wherein:
open in the bellmouth and close design mould aggregate unit, its characterized in that opens in above-mentioned bellmouth and closes under the unchangeable prerequisite of design structure principle of design mould aggregate unit, will hold the interior arc in design mould I and II in the mouth, change for the interior arc in design mould I and II in the bellmouth, increase the distance between two post hole notches of bearing even board, convert new bearing even board into, open by in the bellmouth in just, to close in the design mould aggregate unit has converted the flaring and has closed the design mould aggregate unit, set up this device purpose: the steel pipe flaring part inner diameter shaping mold comprises a flaring part inner diameter shaping mold body, a flaring part inner diameter shaping mold body and a flaring part outer diameter shaping mold body.
The inner arc-shaped plate in the flaring internal shaping mold I is a steel structural part, the inner wall and the outer wall are smooth curved surfaces, a radial slope surface larger than 110 degrees is arranged in the given size of the rear end of the outer wall, a centripetal slope surface larger than 110 degrees is arranged in the given size of the front end of the outer wall, and the middle area is a smooth curved surface and/or a tapered curved surface;
the curved surface area of the outer wall of the inner arc plate in the flaring internal shaping mold II is larger than that of the outer wall of the inner arc plate in the flaring internal shaping mold I, and other structures are the same as those of the flaring internal arc plate in the flaring internal shaping mold I.
The outer pressfitting of flaring design mould aggregate unit, its characterized in that under the unchangeable prerequisite of outer pressfitting design mould aggregate unit structure principle of above-mentioned bellmouth, with outer arc in bellmouth outer design mould I and II, change for outer design mould I of flaring and outer arc in II, just closed the design mould aggregate unit by bellmouth outer pressure and converted the outer pressfitting design mould aggregate unit of flaring into, set up this device purpose: in order to ensure that the flaring outer shaping dies I and II operate on the same plane, the flaring outer shaping dies I and II operate centripetally to the minimum diameter position to form a whole circle, and the outer diameter shaping size of the flaring part of the manufactured steel pipe is ensured, and the design size requirement of the whole circle is met.
The flaring outer shaping mold comprises a flaring outer shaping mold I, a flaring outer shaping mold I and a flaring mold base, wherein the flaring outer shaping mold I is characterized in that an outer arc-shaped plate is a steel structural member, a radial slope surface larger than 110 degrees is arranged at the front end region of the inner wall of the outer arc-shaped plate, a centripetal slope surface larger than 110 degrees is arranged at the rear end region of the inner wall of the outer arc-shaped plate, and a smooth curved surface and/or a tapered curved surface is arranged at the middle region of the inner wall of the outer arc-shaped plate;
the curved surface area of the outer wall of the outer arc plate in the flaring outer shaping die II is larger than that of the outer wall of the outer arc plate in the flaring outer shaping die I, and other structures of the outer arc plate are the same as those of the outer arc plate in the flaring outer shaping die I;
by integrating the technologies of the flaring internal-opening-closing shaping die linkage device and the flaring external-pressing shaping die linkage device, the space layout of the flaring pressing shaping die numerical control linkage mechanism is as follows: the numerical control linkage mechanism of the flaring pressing and shaping mould is formed by a plurality of through holes arranged on a bottom plate of a dovetail groove shaft assembly in a flaring internal-opening and flaring external-pressing and shaping mould linkage device and positioning holes arranged on a fixing frame in the flaring external-pressing and shaping mould linkage device which respectively correspond to each other and enable assemblies of flaring internal and external shaping moulds I and II to concentrically correspond to each other and be connected and fixed;
by comprehensively adopting the technical scheme, the space layout of the numerical control equipment for manufacturing the flaring of the steel pipe is as follows: the method is the same as the numerical control equipment for manufacturing the steel pipe socket.
Furthermore, the bellmouth outer shaping mold assembly I, the bellmouth outer shaping mold assembly II, the flaring outer shaping mold assembly I and the flaring outer shaping mold assembly II in the bellmouth outer pressing shaping mold linkage device and the flaring outer pressing shaping mold linkage device are arranged on the same vertical plane at intervals and concentrically.
Further, according to the difference of the connection and positioning modes, the assembly body i of the bell mouth outer shaping mold is taken as an example for description, and the arrangement can be further set as follows: under the premise that other structures are not changed, a central screw hole is formed in the upper end face of a cuboid wire block in the bell mouth outer shaping die I, a through hole connecting plate is arranged between the left symmetrical rib plate and the right symmetrical rib plate in the middle, a through hole in the through hole connecting plate provides a connecting positioning point for the guide rail shaft, and a rib plate connecting plate is arranged between the front rib plate and the rear rib plate; the middle area of the left and right spinning rods is provided with a raised polygonal body, two end faces of the polygonal body are respectively provided with a cylindrical body, two end faces of the cylindrical body are respectively provided with a left spinning part area and a right spinning part area, the right spinning part area and the upper end face of the cuboid filament block are provided with a central filament hole which is correspondingly connected and fixed, the left spinning part area is fixedly connected with a filament hole coupler, and through the arrangement, an assembly body I of the socket outer shaping mold and a hydraulic cylinder III are converted into a filament hole coupler connection positioning mode through a flange connection positioning mode.
Further, the bell mouth external pressing and shaping mold linkage device is explained by taking the bell mouth external pressing and shaping mold linkage device as an example according to different connection and positioning modes, and can be further set as follows: under the unchangeable prerequisite of above-mentioned other structures, all be provided with the bearing housing in the hole about every III fixed plates of pneumatic cylinder set up, it has linear motion ball bearing and fixes to embed in the bearing housing, it is fixed with the corresponding connection of a plurality of sets of pneumatic cylinder III's rod end silk by silk hole shaft coupling in the outer design mould I of bellmouth and II assembly body, it registrates with a plurality of linear motion ball bearing respectively to be connected by a plurality of guide rail axles, the silk end of guide rail axle is fixed with the through-hole one-to-one that sets up in the outer design mould I of bellmouth and II respectively in the through-hole connecting plate, form new there is silk hole coupling joint, the outer pressfitting design mould aggregate unit of bellmouth of rolling linear guide cover pair location direction form, it is to need explaining: the structure is not provided with a left-right rotating wire positioning rod, a rolling linear guide rail pair and a connecting nut welding piece.
Furthermore, the numerical control linkage mechanism of the bell mouth pressing and shaping mold is described by taking the numerical control linkage mechanism of the bell mouth pressing and shaping mold as an example according to different connection and positioning modes, and the numerical control linkage mechanism can be arranged in such a way that the space distribution is as follows on the premise that other structures are not changed: the numerical control linkage mechanism of the bell mouth pressing and shaping mould is formed by respectively corresponding a plurality of through holes arranged on a base plate of a dovetail groove shaft assembly in a bell mouth inner opening and closing and shaping mould linkage device with a threaded hole coupler and positioning holes arranged on a fixing frame in a bell mouth outer pressing and shaping mould linkage device in a rolling linear guide sleeve pair positioning and guiding mode, and enabling assembly bodies I and II of a bell mouth inner and outer shaping mould to concentrically correspond, be connected and fixed.
Furthermore, the central angles of the sector surfaces of the inner arc-shaped plate and the outer arc-shaped plate in the inner shaping die and the outer shaping die of the bell-mouth bearing are both larger than 20 degrees, and the inclined planes are applied in a matched mode in a parallel and alternate mode, the rotation angle of the bearing connecting plate applied to the assembly body of the inner shaping die and the assembly body of the bell-mouth bearing and the inner shaping die and the assembly body of the bell-mouth bearing is smaller than 120 degrees, and the angle of the slope surface in the front positioning plate is larger than 1 degree.
Further, in steel pipe holds flaring preparation numerical control equipment, the internal and external design mould I of flaring of using and II assembly body, a plurality of sets of rolling linear guide and/or a plurality of sets of rolling linear guide are vice and a plurality of pneumatic cylinders III, correspond in groups and lay, promptly: the device comprises a socket inner shaping die I assembly body, a socket outer shaping die I assembly body, a set of rolling linear guide rail pairs and/or a set of rolling linear guide sleeve pairs, wherein one hydraulic cylinder III is a group; the device comprises a socket inner shaping die II assembly body, a socket outer shaping die II assembly body, a set of rolling linear guide rail pairs and/or a set of rolling linear guide sleeve pairs, wherein one hydraulic cylinder III is a group; similarly, an flaring internal shaping die I assembly body, a flaring external shaping die I assembly body, a set of rolling linear guide rail pairs and/or two sets of rolling linear guide sleeve pairs, wherein one hydraulic cylinder III is in a group; the flaring inner shaping mold II assembly body, the flaring outer shaping mold II assembly body, one set of rolling linear guide rail pair and/or two sets of rolling linear guide sleeve pairs, wherein one hydraulic cylinder III is in one group; each group is annularly arranged at intervals, and each 2 groups are linearly arranged at 180 degrees through the central line of the concentric circle; the number of the groups with equal number of the distributed applications is respectively in the range of 2 groups to 8 groups; the stroke of the applied hydraulic cylinder I, the hydraulic cylinder II and the hydraulic cylinder III is in the range of 50 mm to 1500 mm.
Further, the numerical control equipment for manufacturing the steel pipe socket and the flaring is linearly arranged and applied in pairs, and by integrating the application of the technical scheme, the technical process of manufacturing the flaring part of the steel pipe socket by the numerical control equipment for manufacturing the flaring part of the steel pipe socket can be easily understood, and because the technical process of manufacturing the flaring part of the steel pipe by the numerical control equipment for manufacturing the steel pipe socket is the same as that of manufacturing the flaring part of the steel pipe by the numerical control equipment for manufacturing the flaring part of the steel pipe, the numerical control equipment for manufacturing the steel pipe socket is specifically described below:
firstly, clockwise starting a rack moving power source to enable rollers in a plurality of sets of support roller assemblies arranged on a bottom layer in a rack device and three light rails arranged in a track device to move forward, stopping the rack moving power source when the rack moving power source runs to a limit switch, heating the end part of a steel pipe to a design temperature, generally within the range of 600-1100 ℃, and placing the steel pipe into an interval between an inner arc plate and an outer arc plate in a socket inner and outer shaping mold I and II;
secondly, when the hydraulic cylinder II moves forwards, the hydraulic cylinder I moves forwards after being delayed, the hydraulic cylinder III moves forwards simultaneously, when the hydraulic cylinder II moves forwards, a plurality of trapezoidal sliding key rods II in a plurality of assembly bodies of the socket mouth shaping die II are driven simultaneously by conduction of a transmission rod assembly, the hydraulic cylinder II moves forwards in a plurality of dovetail grooves arranged in a dovetail groove shaft, when the front end of the hydraulic cylinder II moves to enable bearings arranged in the assembly bodies of the socket mouth shaping die II to be tangent to the surface of an annular positioning plate assembly, the radial movement of the plurality of socket mouth shaping die II is stopped by conduction of a bearing connecting plate rotating angle, when the front end of the hydraulic cylinder assembly moves to the rear bearing connecting plate and the front end of a rear positioning block to coincide, the bearing connecting plate and the trapezoidal sliding key rods II form a 90-degree vertical shape, at the moment, the radial position change of the shaping die II in the plurality of sockets reaches the maximum value, the forward movement of the hydraulic cylinder II stops, when the hydraulic cylinder assembly I moves forwards, the hydraulic cylinder assembly moves forwards, the radial position change of the dovetail sliding key rods in the shaping die I in the socket mouth shaping die I in the dovetail grooves in the front end of the dovetail groove shaft connecting plate and the dovetail groove shaft to enable the rear bearing connecting plate to form a plurality of the bearing in the dovetail grooves when the rear bearing connecting plate I and the rear bearing assembly body of the dovetail groove assembly body to rotate, and the dovetail groove assembly body, and the bearing assembly body of the dovetail groove shaft I to form a plurality of the dovetail groove shaft, and the radial positioning block, and the radial positioning plate, and the dovetail groove assembly body, and the dovetail groove shaft when the radial positioning block, and the radial positioning plate I and the bearing assembly body of the dovetail groove assembly move synchronously, the hydraulic cylinder I stops moving forwards; at the moment, the shaping dies I and II in the bell mouths form a whole circle, so that the requirement of the inner diameter shaping design size of the bell mouth of the steel pipe is met; when the hydraulic cylinder III simultaneously moves forwards to drive a plurality of assembly bodies I and II of the bell-mouth external shaping dies to move centripetally, and the slide blocks are also simultaneously driven to move centripetally in the guide rails under the conduction of the left and right spinning positioning rods, when the assembly bodies I and II of the bell-mouth external shaping dies move centripetally to the minimum diameter design value, the outer arc plates in the assembly bodies I and II of the bell-mouth external shaping dies form a whole circle, so that the requirement on the external diameter shaping design size of the bell-mouth part of the steel pipe is met; the hydraulic cylinder III stops moving forwards, and the first pressing and shaping manufacturing action of the steel pipe socket part between the inner arc-shaped plate and the outer arc-shaped plate starts;
thirdly, starting backward movement successively by a time-delay hydraulic cylinder I and a hydraulic cylinder II, starting backward movement simultaneously by a plurality of sets of hydraulic cylinders III, driving a plurality of trapezoidal sliding key rods I and II in a plurality of sets of socket mouth shaping dies I and II simultaneously by the conduction of a transmission frame assembly and a transmission rod assembly when the hydraulic cylinders I and II do backward movement, doing backward movement in a plurality of dovetail grooves arranged in dovetail groove shafts, conducting the rotation angle of a bearing connecting plate, and doing centripetal movement by rolling the surface of an annular positioning plate assembly by bearings arranged in the sets of socket mouth shaping dies I and II, when the socket mouth shaping dies I centripetally move to ensure that the front end surface of the front bearing connecting plate is superposed with the gradient surface of the front positioning plate, the radial position change of the socket mouth shaping dies I reaches the minimum value, similarly, when the radial position change of a plurality of bell mouth inner shaping dies II reaches the minimum design value, the backward movement of the hydraulic cylinder II is stopped, the bearing arranged at the moment is still tangent to the plate surface of the annular positioning plate assembly body, when a plurality of bell mouth inner shaping dies I are arranged at the design value of the rear end of the plurality of bell mouth inner shaping dies II, the backward movement of the hydraulic cylinder I is stopped, when a plurality of sets of hydraulic cylinders III simultaneously perform backward movement, a plurality of bell mouth outer shaping dies I and II are driven to perform radial movement, and under the conduction of a left-right rotating wire positioning rod, a sliding block is also driven to perform radial variation movement in a guide rail at the same time, when a plurality of bell mouth outer shaping dies I and II perform radial movement to the maximum diameter design value, a plurality of hydraulic cylinders simultaneously stop, and the first pressing and shaping of the bell mouth part of the steel pipe are completed;
fourthly, rotating the steel pipe, repeating the first pressing and shaping manufacturing action, and finishing the manufacturing of the bell mouth part of the steel pipe;
and fifthly, starting the rack moving power source anticlockwise to enable rollers in a plurality of sets of support roller assemblies arranged on the bottom layer of the rack device and three light rails arranged in the track device to move backwards, stopping the rack moving power source when the rack device runs to a limit switch, returning the rack device to the original point, and manufacturing a subsequent steel pipe socket part.
The beneficial effects of the invention are:
in the aspect of integral operation, all devices are mutually matched and supplemented, so that the system can operate more accurately and orderly; in the aspect of production efficiency, the method can realize the short time from the heating of the end part of the steel pipe to the completion of the manufacture of the bell mouth part, has high efficiency, saves energy and protects environment; in the aspect of quality guarantee, the mechanism adopts a medium-frequency heating, pressing and shaping manufacturing technology under digital control, and pressing and shaping of the steel pipe bearing flared part are realized through the inner and outer shaping dies, so that the diameter and the size of the inner and outer walls are ensured to be uniform in diameter and wall thickness; in the aspect of application range, the method can meet the requirements of manufacturing engineering flaring bearing steel pipes with the diameters of 400-4000 mm, the wall thicknesses of 4-40 mm and the pressure grades of 1.0-20 MPa.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view perspective view of a numerical control device for manufacturing a steel pipe socket;
FIG. 2 isbase:Sub>A perspective view of section A-A of FIG. 1;
FIG. 3 is a perspective view of the linkage of the internal expanding and contracting shaping mold of the bellmouth;
FIG. 4 is a perspective view of an assembly of a socket inner-sizing die I;
FIG. 5 is a perspective view of an assembly of a socket inner sizing die II;
FIG. 6 is a perspective view of a dovetail shaft assembly;
FIG. 7 is a perspective view of an annular positioning plate assembly;
FIG. 8 is a perspective view of a bellmouth outer press-fit shaping mold linkage;
FIG. 9 is a front perspective view of the fixing frame;
FIG. 10 is a perspective view of an assembly of a bellmouth outer sizing die I;
FIG. 11 is a perspective view of a positioning connecting plate;
FIG. 12 is a perspective view of a numerical control linkage mechanism of a bellmouth pressing and shaping mold;
FIG. 13 is a perspective view of the frame assembly;
FIG. 14 is a perspective view of a numerical control device for flaring of a steel pipe;
FIG. 15 is a perspective view of a flaring internal-expanding sizing die linkage;
FIG. 16 is a perspective view of an inner arc plate in the flaring inner forming die I;
FIG. 17 is a perspective view of a flaring external-pressing shaping die linkage;
FIG. 18 is a perspective view of an flaring external sizing die I;
FIG. 19 is a perspective view of a numerical control linkage mechanism of the flaring press-fitting shaping mold;
FIG. 20 is a perspective view of an assembly body of a bellmouth external sizing die I in a screw hole coupler connection positioning mode;
FIG. 21 shows the socket external pressing and shaping of the connection of the threaded-hole coupler and the positioning of the rolling linear guide sleeve pair
A perspective view of a mold linkage;
FIG. 22 is a perspective view of a numerical control linkage mechanism of a bellmouth pressing and shaping mold in a positioning and guiding manner of a rolling linear guide sleeve pair;
FIG. 23 is a perspective view showing the connection of bell end pipes;
FIG. 24 isbase:Sub>A cross-sectional view of FIG. 23A-A;
in fig. 24: 1-bell-mouth steel pipe, 11-steel pipe bell mouth part, 111-bell mouth part connecting area, 112-bell mouth part groove, 113-bell mouth part cone transition area, 12-steel pipe bell mouth part, 121-bell mouth part cone transition area, 122-bell mouth part connecting area, 2-bell mouth steel pipe connecting part and 3-sealing rubber ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description, wherein for convenience of description, three-dimensional spaces of upper, lower, left, right, front and back of some drawings in the mechanism of the present invention are labeled, and furthermore, the term "and/or" means any one of the two solutions, and the meaning of "several" means two or more.
Referring to fig. 1, 2, 3, 8 and 12, a numerical control device 1 for manufacturing a steel pipe bellmouth is characterized by comprising a bellmouth pressing and shaping die numerical control linkage mechanism 11, a rack device 12, a track device 13, a hydraulic station 14, a control platform 15, a circuit (not marked), an oil pipe 16, a pipe fitting 17, a temperature measuring instrument 18 and a fastener, wherein the bellmouth pressing and shaping die numerical control linkage mechanism 11 is characterized by comprising a bellmouth inner opening and closing and shaping die linkage device 111 and a bellmouth outer pressing and shaping die linkage device 112, wherein,
referring to fig. 3, the bell mouth opening and closing shaping mold linkage device 111 includes a bell mouth shaping mold i assembly 1111, a bell mouth inner shaping mold ii assembly 1112, a dovetail groove shaft assembly 1113, an annular positioning plate assembly 1114, a transmission frame assembly 1115, a transmission rod assembly 1116, a ball hinge lug 1117, a hydraulic cylinder i 1118, a hydraulic cylinder ii 1119, a pin 11101, and a fastener.
Referring to fig. 4, the socket internal shaping mold i assembly 1111 includes a socket internal shaping mold i 11111, a trapezoidal sliding key rod i 11112, a bearing connecting plate 11113, a front positioning plate 11114, a rear positioning block 11115, a pin shaft i 11116, a pin shaft ii 11117, a screw shaft 11118, a bearing 11119 and a fastener, wherein the socket internal shaping mold i 11111 is a steel welding and/or casting structural member, two connecting plates 111112 which are arranged in the inner wall of the socket inner arc-shaped plate 111111 longitudinally and are symmetrical to the central line of the sector of the socket inner arc-shaped plate 111111, two large concentric holes (hidden) and a small concentric hole (hidden) which are arranged in the left and right end faces of the two connecting plates longitudinally and are arranged in the front and rear direction, the purpose of the arrangement of the concentric holes is to provide positioning points for the installation of the bearing connecting plates and the bearing, and a plurality of blocks 111113 and rib plates which are arranged in the inner wall of the socket inner arc-shaped plate 111111 are arranged in the front and rear direction, in order to prevent the second deformation of the socket internal shaping mold 11111 in application; two annular grooves 1111111 which are arranged at intervals from front to back are arranged in the middle area of the outer wall of the inner arc-shaped plate 111111, and the areas at the front end part and the rear end part are also respectively provided with a centripetal slope 1111112 which is larger than 110 degrees, and the arrangement of the structural part is used for realizing the opening and closing shaping of the inner wall of the steel pipe socket part.
Referring to fig. 4, the upper end surface of the front end region of the trapezoidal sliding key rod i 11112 is provided with a U-shaped groove (hidden) with a given depth and length, the U-shaped groove is provided for providing an installation space for the bearing connecting plate 11113, two groups of through holes 111121 which are spaced from each other front and back and are concentric and two thread holes (hidden) which intersect with the concentric through holes are further provided on two sides of the U-shaped groove for providing a connection fixing point for installing the bearing connecting plate 11113, two groups of concentric holes and two intersecting thread holes are provided on the upper end surface of the rear portion of the U-shaped groove for providing a connection fixing point for the rear positioning block 11115, a plurality of spaced thread holes (hidden) are respectively provided on the front and rear end surfaces of the trapezoidal sliding key rod i 11112 for providing a connection fixing point for the front positioning plate 11114, a plurality of thread holes on the rear end surface for providing a connection fixing point for connecting with one end of the transmission frame assembly 1115, and the part is provided for realizing guide of the movement track of the shaping mold assembly i 11111 in the bearing opening and the transmission frame assembly 1115; the bearing connecting plate 11113 is a steel component, the two end parts of the bearing connecting plate are respectively provided with an arc-shaped surface (hidden), a column hole notch concentric with the arc-shaped surface (hidden) is arranged, and a bearing is arranged in the bearing connecting plate, so that the radial different positions of the shaping die I in the bearing opening can be changed; the front positioning plate 11114 is provided with four column hole notches 111141 corresponding to a plurality of screw holes on the front end surface of the trapezoidal sliding key rod I11112, the upper end of the front positioning plate is also provided with a slope 111142 with the angle larger than 1 degree, and the front positioning plate 11114 is arranged to limit the rotation angle of the bearing connecting plate; the rear positioning block 11115 is a steel welding piece, and the bottom of the rear positioning block is provided with two column hole notches (hidden) corresponding to two screw holes which are arranged at the front and the rear of the upper end face of the rear part of a U-shaped groove in the trapezoidal sliding key rod I11112, and the rear positioning block is arranged for limiting the rotation angle of the bearing connecting plate.
Referring to fig. 4, the assembly 1111 of the socket internal shaping mold i is spatially arranged as follows: the bearing hole of one end of two bearing connecting plates 11113 with a rotating function and internally provided with two bearing connecting plates 11113 which are internally provided with a bearing is inserted into and connected with two large concentric holes of two connecting plates 111112 longitudinally arranged on the inner wall of a socket inner shaping die I11111 one by one correspondingly respectively and fixedly connected through a pin shaft I11116, the other end of the bearing hole is inserted into and connected with two groups of through holes 111121 arranged at two sides in a U-shaped groove in a trapezoidal sliding key rod I11112 with a sliding function one by one correspondingly and fixedly connected through a screw shaft 11118, four column hole notches 111141 in a front positioning plate 11114 with a front positioning function and a plurality of screw holes arranged on the front end surface of the trapezoidal sliding key rod I11112 respectively and fixedly connected, two column hole notches arranged on a rear positioning block 11115 with a rear positioning function and two screw holes arranged at the rear part of the trapezoidal sliding key rod I11112 are fixedly connected with each other correspondingly, at least two bearing 11119 with a rolling motion function are connected with a small bearing hole of the two connecting plates 111112 longitudinally arranged on the inner wall of the arc-shaped plate 111111 in the socket inner wall, the bearing connecting plates 11113 are connected and fixed through a pin shaft II 17, the bearing connecting plate 11113, the rotating angle of the rotating function is smaller than 1 degree of the rotating angle of the rotating positioning assembly of the bearing, which is smaller than 1: the multi-point opening and closing shaping device is used for realizing opening and closing shaping of the inner wall of the steel pipe socket part.
Referring to fig. 4, by applying the above-mentioned technique, the change of the angle of the bearing connecting plate 11113 drives the change of the radial position of the molding die i 11111 in the socket, when the front end surface of the bearing connecting plate 11113 at the front end coincides with the slope surface 111142 of the front positioning plate 11114, the change of the radial position of the molding die i 11111 in the socket is minimum, when the rear end surface of the bearing connecting plate 11113 at the rear end coincides with the front end surface of the rear positioning block 11115, the change of the radial position of the molding die i 11111 in the socket is maximum, and the rotation angle of the bearing connecting plate 11113 in the assembly i 1111 in the socket is smaller than 120 degrees.
Referring to fig. 5, the internal socket sizing tool ii assembly 1112 has a structural design which is compared with the internal socket sizing tool i assembly 1111, except that in the internal socket sizing tool ii assembly 1112, the front positioning plate 11114 is reduced, the curved surface area 1112111 of the outer wall of the inner arc-shaped plate 111211 in the internal socket sizing mold ii 11121 is increased, and the length of the trapezoidal sliding key rod ii 11122 is reduced, and other structures are the same as the internal socket sizing tool i assembly 1111, so as to set the purpose of the assembly: the multi-point opening and closing shaping device is used for realizing opening and closing shaping of the inner wall of the steel pipe socket part.
Referring to fig. 6, the dovetail shaft assembly 1113 is a steel welded and/or cast structure, and includes a dovetail shaft 11131, a sleeve 11132, an arc-shaped connecting plate 11133, a rib plate 11134, a bottom plate 11135 and a semicircular flange 11136, wherein the dovetail shaft 11131 is a cylinder, at least three dovetail grooves 111311 are uniformly distributed on the surface in the circumferential direction, at least three dovetail grooves are formed to provide a guide sliding channel for the trapezoidal sliding key rod i 11112 and the trapezoidal sliding key rod ii 22 in the socket inner forming die i assembly 1111 and the socket inner forming die ii assembly 1112, the stepped cylinder 111312 and the central wire hole 111313 are arranged on the front end surface of the dovetail shaft 11131, a plurality of wire holes 111314 are uniformly distributed between adjacent dovetail grooves, the stepped cylinder and the central wire hole are formed, and a plurality of wire holes are uniformly distributed, the central wire hole 11141 and the m-shaped fixing member 11142 in the annular positioning plate 1114 provide fixing points for the central dovetail assembly 11141 and the m-shaped fixing member 11142, and the rear end surface of the sleeve 11132 and the sleeve 11131 are connected with the inner wall of the sleeve 11132 and the sleeve 11131 in flush with the same length or the concentric welded and/cast boss of the sleeve 11131; the rib plate 11134 is in a right-angle arc shape, has the same radian size as the outer wall of the sleeve 11132, is symmetrical left and right, and is welded and/or cast connected with the outer wall of the sleeve 11132 and the upper end surface of the bottom plate 11135 at intervals front and back; the left side and the right side of the bottom plate 11135 are symmetrically provided with a plurality of through holes 111351 which are arranged at intervals front and back, and are in welded connection and/or cast connection with the front end surface of the sleeve 11132 in a flush manner and in left-right symmetrical tangent manner, and the through holes 111351 are arranged to provide positioning points for connection with a fixing frame; the semicircular flange 11136 is provided with a plurality of through holes 111361 in a circumferentially distributed manner, the rear end face of the semicircular flange is flush with the rear end face of the sleeve 11132, the cross section of the semicircular flange is welded with the bottom plate 11135 in parallel and/or cast on the upper half part of the sleeve 11132, and the semicircular flange is provided with a plurality of through holes 111361 which are used for providing positioning points for connection with a fixed frame, and the semicircular flange is mainly used for setting the combined part: the first assembly 1111 of the shaping die in the socket and the second assembly 1112 of the shaping die in the socket are concentrically arranged in the circumferential direction and concentrically arranged and connected with the annular positioning plate assembly 1114 and the linkage device 112 of the pressing shaping die outside the socket to provide installation and positioning space.
Referring to fig. 7, the annular positioning plate assembly 1114 includes a central circular plate 11141, a plurality of circular rings 11142 concentric with the central circular plate, a fixing member 11143 shaped like a Chinese character 'mi' and a fastening member, wherein the central portion of the central circular plate 11141 is provided with a central through hole (hidden), a plurality of through holes (hidden) are evenly distributed in the central through hole and the edge region, and a plurality of semicircular screw holes (hidden) are evenly distributed in the circumferential direction with the outer edge line as the center; the plurality of concentric rings 11142 are respectively and uniformly distributed in the circumferential direction with a plurality of groups of semicircular wire holes (hidden) taking the inner edge and the outer edge as the centers, wherein the outermost concentric ring 11142 is only and uniformly distributed with a plurality of semicircular wire holes (hidden) in the circumferential direction taking the inner edge and the outer edge as the centers; the Mi-shaped fixing piece 11143 is a steel component, the center point is provided with at least three fixing strips 111432 which are annularly and uniformly radiated along the center point by a through hole 111431, the fixing strips 111432 are connected with an outer ring 111433, a plurality of through holes 1114321 are alternately arranged at the radial center line of each fixing strip 111432 and are respectively and correspondingly connected and fixed with the center through hole and the through hole in the center circular plate 11141, and a plurality of groups of wire holes (hidden) formed by pairwise sleeving the center circular plate 11141 and the plurality of concentric rings 11142, so that the purpose of the assembly is that: in order to limit the running space of the bearing-mouth inner shaping dies I and II and ensure that the bearing-mouth inner shaping dies I and II do radial change movement on the same plane.
Referring to fig. 2 and 3, the transmission frame assembly 1115 includes a front cross-shaped fixing plate 11151, a rear cross-shaped fixing plate 11152, a hydraulic cylinder i connecting screw 11153, square steel 11154, a ball hinge lug connecting block 11155 and fasteners, wherein a through hole 111511 is formed in the center of the front cross-shaped fixing plate 11151, the central through hole provides a passage for a transmission rod 11162 of a transmission rod 1116 in the transmission rod assembly, at least two fixing plates 111512 are uniformly radially radiated along the central through hole, alternate 2 through holes 1115121 are formed in each fixing plate 111512, the 2 through holes provide connection fixing points for the square steel, at least two groups of through holes 111513 are uniformly distributed in the circumferential direction in the area between the central through hole and the radiated at least two fixing plates, and the at least two groups of through holes provide connection fixing points for connection with a socket inner shaping mold i assembly 1111; the center of back cross fixed plate 11152 is provided with concave circle 111521, for I connection lead screw 11153 of pneumatic cylinder provide the location welding point, except that at least two sets of through-holes and central through-hole, other structures are the same with preceding cross fixed plate 11151, the one end that I connection lead screw 11153 of pneumatic cylinder coincides and welds the connection with the concave circle 111521 that the center of back cross fixed plate 11152 set up, the other end is provided with the silk portion region, and links fixedly with ball hinge ear even piece 11155, the front and back both ends face of square steel 11154 is provided with alternate 2 silk holes 111541 from top to bottom respectively, and corresponds fixedly with the through-hole 1115121 that a plurality of fixed plates set up of radiation in preceding, back cross fixed plate respectively, ball hinge ear even piece 11155 and I connection lead screw 11153 in set up the silk portion region and revolve the connection, set up the purpose of this sub-assembly: the coaxial distribution connection and the same power transmission of the hydraulic cylinder I and a plurality of assembly bodies of the sleeve flaring internal forming die I are realized.
Referring to fig. 2 and 3, the driving rod assembly 1116 is a steel structural member, and includes a driving connecting plate 11161, a driving rod 11162 and a spherical hinge ear ring connecting block 11163, wherein the center of the driving connecting plate 11161 is provided with a concave circle 111611 for providing a welding positioning space for the driving rod, at least 2 fixing plates 111612 are uniformly distributed and radiated along the circumference of the concave circle 111611, and each fixing plate is provided with 2 through holes 1116121 at intervals, and the 2 through holes are provided for providing a connection fixing point with the socket inner forming mold ii assembly 1112; one end of the transmission rod 11162 is connected with a concave 111611 arranged on the transmission connecting plate 11161 in a superposition welding manner, the other end of the transmission rod is provided with a screw part area, the spherical hinge ear ring connecting blocks 11155 and 11163 are steel structural members, the appearance of the spherical hinge ear ring connecting blocks is U-shaped, a through screw hole (hidden) is arranged in the center of the bottom of the spherical hinge ear ring connecting blocks 11155 and 11163, concentric through holes (hidden) are arranged on the left side surface and the right side surface of the spherical hinge ear ring connecting blocks, the through screw hole arranged in the center of the bottom of the spherical hinge ear ring connecting blocks is connected with the screw part area arranged at one end of the transmission rod 11162 in a screwing manner, and the purpose of the assembly is achieved: the hydraulic cylinder II and a plurality of sleeved flaring inner forming die II assembly bodies 1112 are coaxially arranged and connected and are in the same power transmission.
Referring to fig. 2, 3, 4, 5, 6, and 7, the entire space of the mouthpiece inner opening and closing shaping mold linkage 111 is arranged as follows: from front to back are: the inner diameter of the steel pipe socket part is shaped and sized by an annular positioning plate assembly 1114 fixed at the front end of a dovetail groove shaft assembly 1113 and having the function of limiting the running space of socket inner shaping dies I11111 and II 11121, at least four dovetail grooves 111311 arranged on a dovetail groove shaft 11131 in the dovetail groove shaft assembly are correspondingly and slidably connected with at least two sets of the ladder-shaped sliding key rods I11112 and the ladder-shaped sliding key rods II 11122 in the socket inner shaping dies I and II assembly respectively, the shapes of the maximum diameter positions of the socket inner shaping dies I11111 and II 11121 are a whole circle, so that the inner diameter of the steel pipe socket part is shaped and sized, the inclined surfaces of the inner arc plates in the socket inner shaping dies I11111 and II 11121 are alternately matched, the inclined surfaces of the two inner arc plates are in clearance of at least 2 mm, and the inclined direction of the inclined surfaces are alternately matched along the centripetal sliding direction of the inner shaping dies I11111, at least two sets of through holes 111513 arranged in a cross fixing plate 11151 in front of a transmission frame assembly 1115 with a conduction function, at least two sets of through holes 1116121 arranged in a transmission connecting plate 11161 in at least two sets of socket shaping mold I assemblies 1111 and at the rear ends of ladder-shaped sliding key rods I11112 in at least two sets of socket shaping mold II assemblies 1112 are correspondingly connected and fixed, at least two sets of ball hinge lug rings 1117 inserted and connected with rear ball hinge lug connecting blocks 11155 in the transmission frame assembly 1115, a hydraulic cylinder I1118 connected with the ball hinge lug rings, a ball hinge lug ring 1117 inserted and connected with the rear ball hinge lug connecting blocks 11163 in the transmission rod assembly 1116, a hydraulic cylinder II 1119 connected with the ball hinge lug rings and the hydraulic cylinder II 1119 are arranged in a frame 1115 space of the transmission frame assembly 1115, dovetail shaft assembly 1113, annular locating plate assembly 1114, I assembly 1111 of bellmouth internal shaping mould, II assemblies 1112 of bellmouth internal shaping mould, transmission frame assembly 1115, drive link assembly 1116, I1118 and II 1119 of pneumatic cylinder are laid coaxially, set up this device purpose: the inner diameter shaping die is used for forming a complete circle when the inner shaping dies I11111 and II 11121 run to the maximum diameter position in the socket, so that the inner diameter shaping size of the produced steel pipe socket is guaranteed, and the design size requirement of the complete circle is met.
With reference to fig. 2, 3, 4, 5, 6 and 7, by adopting the above technical solution, the interlocking device 111 of the setting die in the socket forms independent operating spaces, and the reciprocating motion of the hydraulic cylinder i 1118 drives a plurality of sets of assemblies 1111 of the setting die i in the socket to reciprocate synchronously by the transmission of the transmission frame assembly; when the hydraulic cylinder I1118 moves forwards, the trapezoidal sliding key rods I11112 in the plurality of socket internal shaping die I assembly bodies 1111 are driven at the same time, the plurality of dovetail grooves 111311 arranged in the dovetail groove shafts 11131 move forwards, when the forward movement is carried out to enable the bearings 11119 arranged in the plurality of socket internal shaping die I assembly bodies 1111 to be tangent to the plate surface of the annular positioning plate assembly body 1114, the bearing connecting plate 11113 rotates at a transmission angle, the shaping die I11111 in the plurality of sockets synchronously moves radially, when the forward movement is carried out to enable the rear end surface of the rear bearing connecting plate 11113 to be superposed with the front end surface of the rear positioning block 11115, the bearing connecting plate 11113 and the trapezoidal sliding key rods I11112 form a 90-degree vertical shape, at the moment, the radial position change of the shaping die I11111 in the plurality of sockets reaches the maximum value, and the forward movement of the hydraulic cylinder I stops; similarly, when the hydraulic cylinder II 1119 moves forwards, the transmission rod assembly 1116 conducts to simultaneously drive a plurality of trapezoidal sliding key rods II 11122 in a plurality of sets of socket mouth shaping mold II assemblies 1112, the dovetail grooves 111311 in the dovetail groove shafts 11131 move forwards, when the forward movement is carried out to ensure that the bearings 11119 arranged on the plurality of sets of socket mouth shaping mold II assemblies 1112 are tangent to the plate surface of the annular positioning plate assembly 1114, the radial movement is synchronously carried out by the conduction of the rotation angle of the bearing connecting plate 11113 and the shaping molds II 11121 in the plurality of socket mouths, when the forward movement is carried out until the rear end surface of the rear bearing connecting plate 11113 is superposed with the front end surface of the rear positioning block 11115, the bearing connecting plate 11113 is vertical to the trapezoidal sliding key rods II 11122 at an angle of 90 degrees, at the moment, the radial position change of the plurality of socket mouth shaping molds II 11121 reaches the maximum value, the forward movement of the hydraulic cylinder II stops, at the moment, a plurality of socket inner shaping dies I11111 and II 11121 form a whole circle, thereby realizing the shaping manufacture of the inner wall size of the steel pipe socket part, at the moment, firstly, the hydraulic cylinder I1118 moves backwards, then, the hydraulic cylinder II 1119 moves backwards, a plurality of trapezoidal sliding key rods I11112 and II 11122 in a plurality of socket inner shaping dies I and II assembly bodies are simultaneously driven by the conduction of the transmission frame assembly 1115 and the transmission rod assembly 1116, a plurality of dovetail grooves 111311 arranged in the dovetail groove shaft 11131 move backwards, the conduction of the rotation angle of the bearing connecting plate 11113 is carried out, the bearings 11119 arranged in a plurality of socket inner shaping dies I and II assembly bodies roll on the plate surface of the annular positioning plate assembly 1114 and move centripetally, when the socket inner shaping die I11111 moves centripetally to ensure that the front end surface of the front bearing connecting plate 11113 is superposed with the gradient surface 111142 of the front positioning plate 11114, the radial position change of the plurality of female die inner shaping dies I11111 reaches the minimum value, and similarly, when the radial position change of the plurality of female die inner shaping dies II 11121 reaches the minimum design value, the backward movement of the hydraulic cylinder II 1119 stops, the arranged bearing 11119 is still tangent to the plate surface of the annular positioning plate assembly body, and when the plurality of female die inner shaping dies I11111 are placed at the design value of the rear ends of the plurality of female die inner shaping dies II 11121, the backward movement of the hydraulic cylinder I1118 stops.
Referring to fig. 8, the bell mouth outer pressing and shaping mold linkage 112 is characterized by comprising a fixing frame 1121, a bell mouth outer shaping mold i assembly 1122, a bell mouth outer shaping mold ii assembly 1123, a left-right rotating wire positioning rod 1124, a rolling linear guide rail pair 1125, a connecting nut weldment 1126, a plurality of sets of hydraulic cylinders iii 1127, a support tube weldment 1128 and fasteners.
Referring to fig. 8 and 9, the fixing frame 1121 is a steel frame 11211 formed by arranging square pipes in a criss-cross manner, forming a cuboid outside, and welding a polygon inside, a positioning hole (hidden) connected with a dovetail shaft assembly 1113 is further formed in the frame 11211, a panel 11212 is welded on the front end surface of the rear part of the frame 11211, a guard plate 11213 is circumferentially arranged on the polygon, a perforated anchor connecting plate 11214 is welded on the bottom of the square pipe on the periphery, a lifting hook 11215 is welded on the upper part, and a plurality of hydraulic cylinder iii fixing plates 11216 are arranged in the polygon; the central area of the hydraulic cylinder III fixing plate 11216 is provided with a central through hole (which is hidden), a plurality of through holes (which are hidden) are uniformly distributed along the circumferential direction of the central through hole, a channel and a connecting positioning point are provided for the installation of the hydraulic cylinder III 1127, two sides of the plurality of through holes are respectively provided with two alternate screw holes and one through hole (which are hidden), and a connecting point is provided for the connection with a support tube welding part 1128 and a linear motion bearing, the distribution number of the hydraulic cylinder III fixing plate 11216 is the same as the number of the inner polygon bodies in the fixing frame 1121, and the polygon bodies are uniformly distributed and welded in the inner wall of the polygon bodies by taking the centers of the polygon bodies as the circumferential direction of circle centers; the panel 11212 can adopt a structure of a whole steel plate and/or a spliced steel plate, a central through hole 112121 is formed in the central area of the panel 11212 to provide an installation passage for the dovetail shaft assembly 1113, a plurality of rows of screw holes 112122 are uniformly distributed along the circumference of the central through hole 112121 and provide connection positioning fixing points for guide rails in the rolling linear guide rail pair 1125, a plurality of through holes 112123 are formed in the areas of the plurality of rows of screw holes 112122 and provide connection positioning fixing points and passages for the support rod welding piece 1128 and the oil inlet and return pipe, and the installation positioning and operation space is provided for an operation part.
Referring to fig. 10, the socket outer sizing mold i assembly 1122 includes a socket outer sizing mold i 11221, a flange link welding piece 11222, a left-handed screw nut 11223, a right-handed screw nut 11224, a tensioning left-handed screw rod 11225, a link i 11226, a link ii 11227 and a fastener, wherein the socket outer sizing mold i 11221 is a steel welding and/or casting structural member, and the spatial arrangement thereof is as follows: the steel pipe socket is characterized in that a cuboid wire block 112212 is arranged on the outer wall symmetrical to the center line of a sector surface of an outer arc plate 112211, a plurality of wire holes (hidden) tangent to the outer wall of the outer arc plate 112211 are formed in the circumferential direction of the upper end face of the cuboid wire block, a wire hole 1122121 with a given depth is further formed in the front end face of the cuboid wire block, the plurality of wire holes and the wire holes with the given depth are formed in the circumferential direction of the upper end face of the cuboid wire block and are used for providing connection fixing points for a flange connecting rod welding piece and a left-right rotating wire positioning rod, rib plates 112213 which are symmetrical and alternate in the front and back are arranged on the left side and the right side of the cuboid wire block 112212 and are provided with concentric holes, the front end faces and the back end faces of two rib plates 112213 which are symmetrical in the front and back ends are flush with the front and are arranged on the front end face and back end face of the outer arc plate 112211, the concentric holes are used for providing a positioning channel for a rib plate and preventing secondary deformation of a socket outer shaping die I11221 in the application process, a centripetal slope face gradient face 1121 with an angle larger than 110 degree is respectively arranged in the front and a central area of the front and a convex rib 2112 is arranged in the front and back end face area of the inner wall of the outer arc plate 112211, and back end face of the outer wall of the outer arc plate 112211, and achieving pressing shaping of the socket shaping structure.
Referring to fig. 10, the flange connecting rod welding part 11222 is a cylindrical steel member, and includes a flange connecting rod 112221, a positioning connecting plate 112222, an upper flange 112223 and a lower flange 112224, where the upper and lower flanges are welded to both end faces of the flange connecting rod in flush, the positioning connecting plate is disposed in the upper and lower flange regions and is welded to the flange connecting rod, and a plurality of through holes 1122231 are circumferentially disposed in the end faces of the upper and lower flanges 112223 and 112224; referring to fig. 11, the positioning connecting plate 112222 is a steel member with an H-shaped appearance, and is provided with a central through hole 1122221 at the central position of the upper end surface and provides a passage for connection with the flange connecting rod 112221, two recess spaces 1122222 symmetrical to the central line and providing an installation space for a left-handed screw nut are further provided at the left and right sides of the central hole, two support regions 1122223 are further provided at the two sides of the two recess spaces respectively, and a cambered surface 11222231 and a concentric hole 11222232 concentric with the cambered surface are provided at the two ends respectively, so as to provide a positioning channel for the connecting rod i 11226, the welding element is provided to achieve mutual connection and fixation between the hydraulic cylinder iii, the bell outer shaping molds i and ii and the positioning connecting plate, reduce concentrated loads on the bell outer shaping molds i and ii, and make the stress distribution uniform;
referring to fig. 10, one end of the left-handed screw 11223 is provided with a cambered surface and a through hole (hidden) concentric with the cambered surface, and a left-handed central screw hole (hidden) with a given depth is further formed on the bottom end surface parallel to the through hole, the right-handed screw 11224 has the same structure as the left-handed screw, and the central screw hole thereof is in the right-handed direction (hidden), and the parts are arranged to solve the problem of interconnection between the socket outer shaping molds i and ii, the positioning connecting plate 112222 in the flange connecting rod welding part 11222 and the tensioning left-handed and right-handed screw rod 11225; a raised polygonal body is arranged in the middle area of the tensioning left-handed and right-handed screw rod 11225, cylinders with equal length and left-handed and right-handed screw part areas are respectively arranged along the two ends of the polygonal body, and the polygonal body is respectively connected and fixed with screw holes in a left-handed screw nut and a right-handed screw nut;
referring to fig. 10, the spatial layout of the assembly body of the bell mouth outer shaping mold i is as follows: a plurality of through holes (hidden) are circumferentially arranged on a lower flange 112224 in a flange connecting rod welding element 11222 and are correspondingly screwed and fixed with a plurality of screw holes (hidden) circumferentially and uniformly distributed on the upper end surface of a cuboid wire block 112212 in a socket outer shaping mould I11221, a left screw rotating rod 11225 and a right screw rotating rod 11225 with an adjusting function are respectively connected and fixed with a left screw rotating nut 11223 and a right screw rotating nut 11224, the left screw rotating nut 11223 and the right screw rotating nut 11224 are respectively inserted and combined with two concave space 1122222 arranged in a positioning connecting plate 112222 in the flange connecting rod welding element 11222 and a middle rib plate 112213 in the socket outer shaping mould I11221 and respectively correspond to the concentric holes arranged and are sleeved and connected and fixed by a connecting rod I11226 and a connecting rod II 11227, and the purpose of the assembly is set up: the multi-point press-fit shaping device is used for realizing multi-point press-fit shaping of the outer wall of the steel pipe socket part.
Referring to fig. 10, by adopting the above technique, the left and right tension screws 11225 arranged on the left and right sides in the socket outer sizing die i assembly 1122 are adjusted, so that the flange connecting rod 112221 in the flange connecting rod welding part 11222 is kept on the position of the central line of the sector of the socket outer sizing die i 11221, thereby forming a stress structure in the form of an isosceles right triangle, and thus preventing the central line of the flange connecting rod 112221 from deviating from the central line of the sector of the socket outer sizing die i 11221, which causes the concentrated load and uneven stress on the outer sizing die i.
Referring to fig. 2 and 8, a convex polygonal body 11241 is arranged in the middle area of the left-right wire positioning rod 1124, and a cylindrical body 11242 area and a left-right wire part 11243 area are respectively arranged along the two ends of the polygonal body, wherein the left-right wire part area provides a connecting space for connecting a polygonal cylindrical nut 11262 in a connecting nut welding piece 1126, and the right-right wire part area provides a connecting space for a given depth wire hole 1122121 arranged on the front end face of a cuboid wire block 112212 in socket outer shaping molds i 11221 and ii 11231, so that the purpose of the part is set: in order to ensure that the distances between the first and second assembly bodies 1122 and 1123 of the bellmouth outer shaping die and the sliding block 11252 in the rolling linear guide rail pair 1125 are adjusted to be equal, the first and second assembly bodies 1122 and 1123 of the bellmouth outer shaping die are ensured to run on the same plane; the rolling linear guide rail pair 1125 is composed of a guide rail 11251 and a slider 11252, the rolling linear guide rail pair type functional component is selected in the invention, and of course, the following components can be selected: any one of the rolling linear guide sleeve pair, the rolling spline pair and the rolling guide rail block functional part sets the purpose of the assembly: in order to ensure the positioning and guiding of the motion tracks of the assembly bodies 1122 and 1123 of the socket outer shaping die I and II; the connecting nut weldment 1126 is a steel member formed by welding a bottom plate 11261 provided with four corner region column hole notches (hidden) and a polygonal cylindrical nut 11262 provided with a left-handed inner screw hole, wherein the column hole notches in the bottom plate 11261 provide connecting positioning points for connection with the screw holes of the sliders 11252 in the rolling linear guide pair 1125, and the connecting nut is arranged for solving the connection problem between the sliders 11252 in the rolling linear guide pair 1125 and the left-handed screw positioning rod 1124; the support tube welding member 1128 is formed by welding a square tube and a perforated connecting plate welded to both cross sections, and is provided to prevent a slight deformation of the fixing frame 1121 during application.
Referring to fig. 2, 8, 9 and 10, the spatial arrangement of the bell mouth outer pressing and shaping mold linkage 112 is as follows: the hydraulic cylinders III are correspondingly connected and fixed with a plurality of hydraulic cylinder III fixing plates 11216 arranged in a fixing frame 1121, a plurality of guide rails 11251 in a rolling linear guide rail pair 1125 for providing a motion track guiding function for socket outer shaping dies I and II assembly bodies 1122 and 1123 and a plurality of rows of screw holes 112122 arranged in a panel 11212 in the fixing frame 1121 are correspondingly connected and fixed, column hole notches (hidden) arranged on a bottom plate 11261 in a connecting nut welding piece 1126 and slide blocks 11252 in the rolling linear guide rail pair 1125 are correspondingly connected and fixed, the socket outer shaping dies I and II assembly bodies 1122 and 1123 are adjacent and connected and fixed with a plurality of hydraulic cylinder III 1127, inclined planes between outer arc-shaped plates in the socket inner shaping dies I11221 and II 11231 are matched alternately, the inclined plane alternate matching means that a gap larger than 2 mm is reserved between inclined planes of the two outer arc-shaped plates, and the inclined plane alternate matching I is in the radial sliding direction of the outer shaping dies 11221, the shape of the bell mouth outer shaping dies I11221 and II 11231 is a whole circle when the bell mouth outer shaping dies I11221 and II 11231 move centripetally to the position with the minimum diameter, thereby realizing the shaping manufacture of the size of the outer wall of the steel pipe bell mouth, the assembly bodies 1122 and 1123 which can lead the bell mouth outer shaping dies I and II, the left-right screw positioning rod 1124 which is kept on the same plane and has the adjusting function, the screw holes 1122121 with the fixed depth which are respectively arranged on the cuboid screw blocks 112212 in the bell mouth outer shaping dies I11221 and II 11231 and the multi-side cylindrical screw nuts 11261 in the connecting screw nut welding piece 1126 are correspondingly connected and fixed one by one, the perforated connecting plates 1128 which are respectively arranged at the two ends of the supporting pipe welding piece 1128 are respectively and correspondingly connected and fixed with the corresponding through holes 112123 (which are hidden) which are arranged in the fixing plate 11212 of the hydraulic cylinder III fixing plate 11216 in the fixing frame 1121, the device is arranged for the purpose: the method is used for ensuring that the socket outer shaping dies I and II assembly bodies 1122 and 1123 run on the same plane, and form a whole circle when the socket outer shaping dies I11221 and II 11231 centripetally run to the position with the minimum diameter, so that the outer diameter shaping size of the manufactured socket part of the steel pipe is ensured, and the design size requirement of the whole circle is met.
Referring to fig. 2 and 8, by adopting the above technology, the bell mouth outer pressing shaping mold linkage device 112 forms a whole, a plurality of sets of hydraulic cylinders iii 1127 synchronously reciprocate, and simultaneously drive a plurality of sets of bell mouth outer shaping molds i and ii assemblies 1122 and 1123 to move in a radial direction, and under the conduction of the left and right rotating wire positioning rods 1124, the sliders 11252 are also simultaneously driven to move in a radial direction in the guide rails 11251, and through the equidistant connection of the left and right rotating wire positioning rods 1124, the bell mouth outer shaping molds i and ii assemblies and the connecting nut weldment 1126, the radial operation of the bell mouth outer shaping molds i and ii assemblies 1122 and 1123 in the same plane is ensured, when the design value of the centripetal movement is reached, the plurality of sets of bell mouth outer shaping molds i 21 and ii 11231 form a whole circle, and in the bell mouth outer pressing shaping mold linkage device 112, the bell mouth outer shaping molds i assemblies 1122 and ii assemblies 1123 are arranged on the same plane at intervals and concentrically.
Referring to fig. 3, fig. 6, fig. 8 and fig. 12, by integrating the technical applications of the above socket inside opening and closing shaping mold linkage 111 and the socket outside pressing shaping mold linkage 112, the space layout of the socket pressing shaping mold numerical control linkage 11 is: the numerical control linkage mechanism 11 of the bellmouth pressing and shaping mold is formed by a plurality of through holes 111351 formed in a bottom plate 11135 of a dovetail groove shaft assembly 1113 in the bellmouth internal-opening and closing and shaping mold linkage device 111 and positioning holes (hidden) formed in a fixing frame 1121 in a bellmouth external-pressing and closing and shaping mold linkage device 112 respectively corresponding to each other, enabling inner and outer bellmouth shaping molds I and II in the bellmouth internal-opening and outer-shaping molds to concentrically correspond to each other and be connected and fixed.
Referring to fig. 13, the frame assembly 12 includes a structural frame 121 formed by welding three layers of upper, middle and bottom layers, which are arranged in a staggered manner, in which a space 1211 and a positioning hole 1212 are formed at a front end portion to facilitate installation of a bell mouth outer pressing and shaping mold linkage 112, a hook 122 is welded at an upper layer to facilitate hoisting of the frame assembly, a first hydraulic cylinder fixing plate 123 and a second hydraulic cylinder fixing plate 124 are welded at a middle region of an upper end surface of the middle layer in a longitudinal direction, a perforated fixing connecting plate 125 is welded at one side of the upper end surface of the bottom layer to facilitate installation of a frame moving power source 1202, a height-adjustable carrier roller wheel 126 is arranged between the bottom layer and the middle layer and above the fixing connecting plate in a 2 group, three rows of alternate support roller assemblies 127 are further arranged at left, middle and right longitudinal directions of a lower end surface of the bottom layer, positioning hole connecting plates 128 are also welded at front end surfaces of the left and right end surfaces of the upper and middle layers, a middle bottom layer and middle layer are further welded at front end portions between the upper end portions of the upper end surface of the middle layer and the middle layer, a semicircular flange connecting plate 129 uniformly distributed with a plurality of through holes and a middle layer are further arranged to facilitate connection plate 12, and a middle frame linkage fixing frame linkage device is also arranged in a supporting frame 12, and a supporting frame linkage device are integrally transported according to facilitate transportation condition that the outer pressing and shaping mold linkage 12 are also according to a fixing frame 112; the rack moving power source 1202 is composed of a speed reducer motor 12021, a transmission gear 12022 and a fastener, the transmission gear 12022 is sleeved and connected with an output shaft of the speed reducer through a key, and a base hole in the speed reducer is correspondingly connected and fixed with a hole in a fixed connecting plate with a hole.
Referring to fig. 13, the track device 13 is formed by horizontally and vertically arranging and welding three light rails 131 and a plurality of steel plates 132 in a staggered manner, the light rails 131 are arranged corresponding to three rows of a plurality of sets of support roller assemblies 127 in the rack device 12, a transmission rack 133 is further arranged in the middle area in the longitudinal direction, and limit switches 1203 are respectively arranged in the upper end surfaces of the two end areas of one of the light rails.
With reference to fig. 1, fig. 2, fig. 3, fig. 6, fig. 8, fig. 9, fig. 12, and fig. 13, by comprehensively adopting the above technical solutions, the spatial arrangement of the steel pipe socket manufacturing numerical control apparatus 1 is: two through holes 112141 in a footing plate 11214 arranged on a fixing frame 1121 in a bell mouth external pressing shaping die linkage device 112 are respectively in one-to-one correspondence with positioning holes 1212 arranged at the front end part of a rack device 12, positioning hole connecting plates 128 welded by the front cross sections of square pipes at the left and right ends of the upper layer and the middle layer of the rack device 12 and corresponding holes arranged on a panel 11212 in the bell mouth external pressing shaping die linkage device 112 are respectively in one-to-one correspondence positioning and are welded and fixed, rollers in a plurality of sets of support roller assemblies 127 arranged on the middle layer of the rack device 12 are respectively in rolling fit with three light rails 131 in a rack rail device 13, a transmission gear 1252 in a rack moving power source 125 is in occlusion connection with a transmission rack 133 in the rail device 13, A plurality of through holes 111351 and 111361 respectively arranged on a bottom plate 11135 and a semicircular flange 11136 in a dovetail groove shaft assembly 1113 in a bell mouth internal stretching and shaping mold linkage device 111 are respectively and correspondingly connected and fixed with a positioning hole 1211 arranged at the front end of a middle layer of a rack device 12 and a plurality of through holes (hidden) in a semicircular flange connecting plate 129, a hydraulic cylinder I1118 and a hydraulic cylinder II 1119 in the bell mouth internal stretching and shaping mold linkage device 111 are respectively and correspondingly connected and fixed with a hydraulic cylinder I fixing plate 123 and a hydraulic cylinder II fixing plate 124 respectively arranged at the middle layer of the rack device 12, the bottom end surfaces of square steel 11154 in the bell mouth internal stretching and shaping mold linkage device 111 and a transmission frame assembly 1115 are in tangent rolling fit with 2 groups of adjustable high and low supporting rollers 126 arranged in the rack device 12, the purpose is to ensure that the transmission frame assembly does smooth reciprocating motion, a hydraulic station 14 is arranged at the rear area of the middle and bottom layer of the rack device 12, a temperature measuring instrument 18 is arranged at the front end part of a fixing frame in a bell mouth external stretching and shaping mold linkage device 112, the control platform 15 is arranged on one side of the rack device 12, is respectively communicated with an oil inlet and an oil outlet of the hydraulic cylinder I1118, the hydraulic cylinder II 1119 and the hydraulic cylinder III 1127 and the hydraulic station 14 through an oil pipe 16 and a pipe fitting 17, and is respectively communicated with the hydraulic station 14, the rack moving power source 1202, the temperature measuring instrument 18, the limit switch 1203 and the control platform 15 in a point-to-point manner through circuits.
Referring to fig. 2, by integrating the application of the above technologies, the numerical control equipment 1 for manufacturing the steel pipe bellmouth forms an integral operating system, a hydraulic cylinder i 1118 is started, and a plurality of bellmouths are internally provided with forming dies i 11111 to make radial position change movement at the same time under the conduction of components; starting a hydraulic cylinder II, and enabling a plurality of bellmouths to simultaneously make radial position change motions on the inner forming dies II 11121 under the conduction of parts; starting a hydraulic cylinder III 1127, and enabling a plurality of bell mouth outer shaping molds I11221 and a plurality of bell mouth outer shaping molds II 11231 to make radial position change motions on the same plane simultaneously under the conduction of the parts; the frame moving power source 1202 is activated to move the frame device 12 back and forth along the rail device 13 under the conduction of the components.
Referring to fig. 14, the steel pipe flaring manufacturing numerical control device 2 is characterized in that, on the premise that the design structure principle of the steel pipe bell mouth manufacturing numerical control device 1 is not changed, the bell mouth internal opening and closing shaping die linkage device 111 is replaced by the flaring internal opening and closing shaping die linkage device 211, the bell mouth external pressing and closing shaping die linkage device 112 is replaced by the flaring external pressing and closing shaping die linkage device 212, and the bell mouth pressing and shaping die numerical control linkage mechanism 11 is replaced by the bell mouth pressing and shaping die numerical control linkage mechanism 21, so that the steel pipe bell mouth manufacturing numerical control device 1 is converted into the steel pipe flaring manufacturing numerical control device 2.
Referring to fig. 3, 4, 5 and 15, the linkage device 211 of the flaring internal expanding and closing shaping mold is characterized in that, on the premise that the design structure principle of the linkage device 111 of the flaring internal expanding and closing shaping mold is not changed, the inner arc-shaped plates 111111 and 111211 in the flaring internal shaping molds I11111 and II 11121 are changed into the inner arc-shaped plates 211111 and 211211 in the flaring internal shaping molds I21111 and II 21121, the distance between two column hole notches of the bearing connecting plate 11113 is increased and the bearing connecting plate is changed into a new bearing connecting plate, so that the linkage device 111 of the flaring internal expanding and closing shaping mold is changed into the linkage device 211 of the flaring internal expanding and closing shaping mold, and the purpose of the device is set: the steel pipe flaring part inner diameter shaping die is designed to form a complete circle when the flaring part inner diameter shaping dies I21111 and II 21121 run to the maximum diameter positions, so that the shaping size of the inner diameter of the flaring part of a manufactured steel pipe is guaranteed, and the design size requirement of the complete circle is met.
Referring to fig. 16, the inner arc plate 211111 in the flaring internal shaping mold i 21111 is a steel structural member, the inner and outer walls are smooth curved surfaces, a radial slope surface 2111111 larger than 110 degrees is provided in the given size of the rear end of the outer wall, a centripetal slope surface 2111112 larger than 110 degrees is provided in the given size of the front end, the middle region is a smooth curved surface and/or a taper surface 2111113, the curved surface area of the outer wall of the inner arc plate 211211 in the flaring internal shaping mold ii 21121 is larger than the curved surface area of the outer wall of the inner arc plate 211111 in the flaring internal shaping mold i 21111, and other structures are the same as the flaring internal arc plate structure.
Referring to fig. 8, 10 and 17, the flaring external-pressing shaping mold linkage 212 is characterized in that, on the premise that the structural principle of the bell external-pressing shaping mold linkage 112 is not changed, the outer arc-shaped plates 112211 and 112311 in the bell external-shaping molds i 11221 and ii 11231 are replaced by the outer arc-shaped plates 212211 and 212311 in the flaring external-shaping molds i 21221 and ii 21231, so that the bell external-pressing shaping mold linkage 112 is converted into the flaring external-pressing shaping mold linkage 212, and the purpose of the device is set: in order to ensure that the flaring outer shaping dies I and II assembly bodies 2122 and 2123 run on the same plane, a whole circle is formed when the flaring outer shaping dies I21221 and II 21231 centripetally run to the position with the minimum diameter, and the outer diameter shaping size of the flaring part of the produced steel pipe is ensured, and the design size requirement of the whole circle is met.
Referring to fig. 18, in the flaring outer shaping mold i 21221, an outer arc plate 212211 is a steel structural member, a radial slope surface 2122111 greater than 110 degrees is arranged at the front end region of the inner wall of the outer arc plate 212211, a slope surface 2122112 greater than 110 degrees in the centripetal direction is arranged at the rear end region, and a smooth curved surface and/or a tapered curved surface 2122113 is arranged at the middle region; referring to fig. 17, the curved surface area of the outer wall of the outer arc plate 212311 in the flaring outer shaping mold ii 21231 is larger than that of the outer wall of the outer arc plate 212211 in the flaring outer shaping mold i 21221, and other structures are the same as those of the flaring outer shaping mold i.
Referring to fig. 12, fig. 15, fig. 17 and fig. 19, by combining the above-mentioned technologies of the flaring internal-expanding shaping mold linkage 211 and the flaring external-pressing shaping mold linkage 212, the spatial layout of the flaring pressing shaping mold numerical control linkage mechanism 21 is the same as that of the bellmouth pressing shaping mold numerical control linkage mechanism 11.
Referring to fig. 20, the bellmouth outer shaping dies i and ii assemblies 1122 and 1123, and the flare outer shaping dies i and ii assemblies 2122 and 2123, which are different in connection and positioning manner, are described by taking the bellmouth outer shaping die i assembly 1122 as an example, and may be further configured as follows: under the premise that other structures are not changed, a central screw hole (hidden) is formed in the upper end face of a rectangular wire block 112212 in a bell mouth outer shaping die I11221, a through hole connecting plate 112214 is arranged between a left symmetrical rib plate 112213 and a right symmetrical rib plate 112213 in the middle, a through hole 1122141 in the through hole connecting plate provides a connecting positioning point for a guide rail shaft, and a rib plate connecting plate 112215 is arranged between the front rib plate and the rear rib plate; a raised polygonal body 112221 is arranged in the middle area of the left and right spinning rods 11222, a cylindrical body 112222 is respectively arranged along two end faces of the polygonal body, a left spinning part area and a right spinning part area (hidden) are respectively arranged along two end faces of the cylindrical body, the right spinning part area and the upper end face of the cuboid wire block 112212 are provided with a central screw hole which is correspondingly connected and fixed, the left spinning part area is connected and fixed with a screw hole coupler 11223, so that the bellmouth outer shaping mold I assembly 1122 and the hydraulic cylinder III 127 are converted into a bellmouth outer shaping mold I assembly 1122' 1122 in a flange connection positioning mode into a screw hole coupler connection positioning mode.
Referring to fig. 20 and 21, the bell mouth external pressing and shaping mold linkage devices 112 and 212 may be further configured to, according to different connection and positioning manners, take the bell mouth external pressing and shaping mold linkage device 112 as an example: under the premise that other structures are not changed, a bearing sleeve 1124 is arranged in a left hole and a right hole arranged on each hydraulic cylinder III fixing plate 11216, a linear motion ball bearing 1125 is arranged in the bearing sleeve and fixed, a screw hole coupler 11223 in a socket outer shaping mold I and II assembly 1122 'and 1123' is correspondingly connected and fixed with rod end threads of a plurality of sets of hydraulic cylinders III 127, a plurality of guide rail shafts 1126 are respectively sleeved with the linear motion ball bearings 1125, and the screw ends of the guide rail shafts 1126 are respectively connected and fixed with through holes 1122141 in through hole connecting plates 112214 arranged in 11221 and II 11231 in the socket outer shaping mold I assembly 1122 ', one by one, so as to form a new socket outer pressing shaping mold linkage device 112' in the forms of screw hole coupler connection and rolling linear guide sleeve pair positioning and guiding, wherein the description is as follows: the structure is not provided with a left-right rotating wire positioning rod, a rolling linear guide rail pair and a connecting nut welding piece.
Referring to fig. 3, fig. 6, fig. 12, fig. 19, fig. 20, fig. 21, and fig. 22, the socket and flare pressing and sizing die numerical control linkage mechanisms 11 and 21, taking the socket pressing and sizing die numerical control linkage mechanism 11 as an example according to different connection and positioning manners, may also be arranged such that, on the premise that the other structures are not changed, the spatial layout thereof is as follows: a numerical control linkage mechanism 11 'of the bell mouth pressing and shaping mold in a novel positioning and guiding mode of the rolling linear guide sleeve pair is formed by a plurality of through holes 111351 arranged on a bottom plate 11135 of a dovetail groove shaft assembly 1113 in a bell mouth inner-opening-closing and shaping mold linkage device 111, positioning holes (hidden) arranged on a fixing frame 1121 in a bell mouth outer-pressing and shaping mold linkage device 112' in a positioning and guiding mode of a threaded hole coupler and the rolling linear guide sleeve pair respectively correspond to each other, and assembling bodies I and II in the bell mouth inner-outer shaping mold are concentrically corresponding and connected and fixed.
Referring to fig. 1 to 22, the numerical control devices 1 and 2 for manufacturing the steel pipe socket and the flaring are linearly arranged in pairs and applied, and by integrating the application of the above technical solutions, the process of manufacturing the steel pipe socket and the flaring by the numerical control devices 1 and 2 is easy to understand, and since the process of manufacturing the steel pipe socket by the numerical control device 1 for manufacturing the steel pipe socket is the same as the process of manufacturing the steel pipe flaring by the numerical control device 2 for manufacturing the steel pipe socket, the process of manufacturing the steel pipe socket by the numerical control device 1 for manufacturing the steel pipe socket is specifically described below:
firstly, clockwise starting a rack moving power source 1202 to enable rollers in a plurality of sets of support roller assemblies 127 arranged on a bottom layer in a rack device 12 and three light rails 131 arranged in a track device 13 to move forward, and stopping the rack moving power source 1202 when the rack moving power source moves to a limit switch 1203, heating the end part of a steel pipe to a design temperature, generally within a range of 600-1100 ℃, and placing the end part of the steel pipe into an interval between an inner arc plate and an outer arc plate in a socket inner and outer shaping die I and II;
secondly, a hydraulic cylinder II 1119 firstly starts forward movement, a time-delay rear hydraulic cylinder I1118 starts forward movement, a time-delay rear hydraulic cylinder III 1127 simultaneously starts forward movement, when the hydraulic cylinder II 1119 makes forward movement, the forward movement is conducted by a transmission rod assembly 1116, a plurality of trapezoidal sliding key rods II 11122 in a plurality of socket mouth shaping mold II assemblies 1112 are simultaneously driven, when the hydraulic cylinder II 1119 makes forward movement, the forward movement is conducted in a plurality of dovetail grooves 111311 arranged in a dovetail groove shaft 11131, the forward movement is carried out until a bearing 11119 arranged in the plurality of socket mouth shaping mold II assemblies 1112 is tangent to the plate surface of an annular positioning plate assembly 1114, the radial movement is synchronously carried out by a plurality of socket mouth shaping mold II 11113 through the conduction of the rotation angle of the bearing connecting plate 11113, when the front advance movement reaches the rear end surface of a rear bearing connecting plate 11113 and the front end surface of a rear positioning block 11115, the bearing connecting plate 11113 and the trapezoidal sliding key rods II 11122 form a 90-angle shape when the front bearing 11113 and the rear bearing 11113 make the guide rod assembly 13 make the vertical movement, when the front bearing 11113 and the guide rod assembly 11113 make the forward movement, the guide rod assembly 19 and the guide rod I move synchronously through the guide rod assembly 11113, at the moment, the radial position change of the shaping dies I11111 in the plurality of bearing openings reaches the maximum value, and the forward movement of the hydraulic cylinder I1118 stops; at the moment, a plurality of socket inner shaping dies I11111 and II 11121 form a whole circle, so that the requirement of the inner diameter shaping design size of the steel pipe socket part is met; when the hydraulic cylinder III 1127 moves forwards at the same time, the hydraulic cylinder III drives a plurality of bell mouth outer shaping die I assemblies 1122 and a plurality of bell mouth outer shaping die II assemblies 1123 to move centripetally, the slide block 112252 is driven to move centripetally in the guide rail 112251 under the conduction of the left-right spinning positioning rod 1124, and when the plurality of bell mouth outer shaping die I assemblies 1122 and the plurality of bell mouth outer shaping die II assemblies 1123 move centripetally to a minimum diameter design value, outer arc plates in the plurality of bell mouth outer shaping die I assemblies 1122 and the plurality of bell mouth outer shaping die II assemblies 1123 form a whole circle, so that the requirement of the outer diameter shaping design size of the bell mouth part of the steel pipe is met; the forward movement of the hydraulic cylinder III 1127 is stopped, and the first pressing and shaping manufacturing action of the steel pipe socket part between the inner arc plate and the outer arc plate is started;
thirdly, starting backward movement successively by a time-delay hydraulic cylinder I1118 and a hydraulic cylinder II 1119, starting backward movement simultaneously by a plurality of time-delay hydraulic cylinders III 1127, driving a plurality of trapezoidal sliding key rods I, II 11112 and 11122 in a plurality of socket mouth shaping dies I, II assemblies 1122 and 1123 simultaneously by conduction of a transmission frame assembly 1115 and a transmission rod assembly 1116 when the hydraulic cylinders I1118 and II 1119 do backward movement, doing backward movement in a plurality of dovetail grooves 111311 arranged in a dovetail groove 11131, conducting rotation angles of a bearing connecting plate 11113, making centripetal movement of bearings 11119 arranged in the plurality of socket mouth shaping dies I and II assemblies in rolling on the plate surface of an annular positioning plate assembly 1114, when the socket mouth shaping die I11111 centripetally moves to ensure that the front end surface of the front bearing connecting plate 11113 is superposed with the slope surface 111142 of the front positioning plate 11114, and the radial position change of the plurality of socket mouth shaping dies 11111 reaches the minimum value, similarly, when the radial position change of a plurality of bell mouth inner shaping dies II 11121 reaches the minimum design value, the backward movement of the hydraulic cylinder II 1119 stops, the bearing 11119 arranged at the moment is still tangent to the plate surface of the annular positioning plate assembly 1114, when a plurality of bell mouth inner shaping dies I11111 are arranged at the design value of the rear end of the plurality of bell mouth inner shaping dies II 11121, the backward movement of the hydraulic cylinder I1118 stops, when a plurality of sets of hydraulic cylinders III 1127 simultaneously perform backward movement, a plurality of bell mouth outer shaping dies I and II assemblies 1122 and 1123 are driven to perform radial movement, under the conduction of the left and right rotating wire positioning rods 1124, the sliding blocks 112252 are simultaneously driven to perform radial change movement in the guide rails 112251, when a plurality of bell mouth outer shaping dies I, II and 1123 perform radial movement to the maximum diameter design value, stopping a plurality of sets of hydraulic cylinders III 1127 at the same time, and finishing the first pressing and shaping manufacture of the steel pipe bell mouth part;
fourthly, rotating the steel pipe, repeating the first pressing and shaping manufacturing action, and finishing the manufacturing of the steel pipe socket part;
and fifthly, starting the rack moving power source 1202 anticlockwise to enable rollers in a plurality of sets of support roller assemblies 127 arranged on the bottom layer of the rack device 12 and three light rails 131 arranged in the rail device 13 to move backwards, stopping the rack moving power source 1202 when the rack device 12 runs to a limit switch 1203 at the rear end, and returning the rack device 12 to the original point to manufacture a subsequent steel pipe bearing part.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, which is defined by the claims.

Claims (10)

1. A numerical control device (1) for manufacturing a steel pipe bellmouth is characterized by comprising a bellmouth pressing and shaping mold numerical control linkage mechanism (11), a rack device (12), a track device (13), a hydraulic station (14), a control platform (15), a circuit, an oil pipe (16), a pipe fitting (17), a temperature measuring instrument (18) and a fastener, wherein the bellmouth pressing and shaping mold numerical control linkage mechanism (11) is characterized by comprising an inner bellmouth opening and closing and shaping mold linkage device (111) and an outer bellmouth pressing and shaping mold linkage device (112),
the bell mouth opening and closing shaping mold linkage device (111) is characterized by comprising a bell mouth opening shaping mold I assembly body (1111), a bell mouth inner shaping mold II assembly body (1112), a dovetail groove shaft assembly body (1113), an annular positioning plate assembly body (1114), a transmission frame assembly body (1115), a transmission rod assembly body (1116), a ball hinge ear ring (1117), a hydraulic cylinder I (1119), a hydraulic cylinder II (1119), a pin shaft (11101) and a fastener, wherein the bell mouth opening shaping mold I assembly body (1111) further comprises a bell mouth opening shaping mold I (11111), a trapezoidal sliding key rod I (11112), a bearing connecting plate (11113), a front positioning plate (11114), a rear positioning block (11115), a pin shaft I (11116), a pin shaft II (11117), a screw shaft (11118), a bearing (11119) and a fastener, wherein,
the socket inner shaping mold I (11111) is a steel welding and/casting structural part, two connecting plates (111112) which are arranged in the inner wall of a socket inner arc-shaped plate (111111) longitudinally and are symmetrical to the center line of the sector surface of the socket inner arc-shaped plate are arranged at the left side and the right side, the length of the two connecting plates is equal to or greater than the length between the front end surface and the rear end surface of the inner arc-shaped plate, two large concentric holes and one small concentric hole are arranged on the left end surface and the right end surface of the two connecting plates at intervals in the front and the rear direction, a plurality of rib plates (111113) which are arranged in the inner wall of the inner arc-shaped plate at the front side and the rear side are also provided with arc-shaped positioning plates (111114); at least one annular groove (1111111) is arranged in the middle area of the outer wall of the inner arc-shaped plate, and the front end area and the rear end area are respectively provided with a centripetal slope surface (1111112) with the angle larger than 110 degrees;
the upper end face of the front end region of the trapezoidal sliding key rod I (11112) is provided with a U-shaped groove with a given size, two groups of through holes which are alternated front and back and are concentric and two screw holes which are intersected with the concentric through holes are further arranged on two sides of the U-shaped groove, two screw holes which are alternated front and back are further arranged on the upper end face of the rear part of the U-shaped groove, and a plurality of screw holes which are alternated are respectively arranged on the front end face and the rear end face of the trapezoidal sliding key rod I (11112); the bearing connecting plate (11113) is a steel component, and is provided with arc-shaped surfaces at the two end parts respectively, a column hole notch concentric with the arc-shaped surfaces and a bearing in the bearing connecting plate; the front positioning plate (11114) is provided with four column hole notches (111141) corresponding to a plurality of screw holes on the front end surface of the trapezoidal sliding key rod I, and the upper end of the front positioning plate is also provided with a slope surface (111142) with the angle larger than 1 degree; the rear positioning block (11115) is a steel welding piece, and the bottom of the rear positioning block is provided with two column hole notches corresponding to two front and rear alternate screw holes arranged on the upper end surface of the rear part of a U-shaped groove in the trapezoidal sliding key rod I;
bear I assembly body of design mould (1111) whole space cloth in mouthful and establish to: the bearing hole of one end of two bearing connecting plates (11113) which have a rotating function and are internally provided with bearings is inserted into two large concentric holes of two connecting plates (111112) which are longitudinally arranged on the inner wall of a socket inner forming die I (11111) one by one correspondingly and fixedly connected through a pin shaft I (11116), the other end of the bearing hole is inserted into two groups of through holes which are arranged on two sides of a U-shaped groove in a trapezoidal sliding key rod I (11112) with a sliding function one by one and fixedly connected through a screw shaft (11118), four column hole notches in a front positioning plate (11114) with a front positioning function are respectively and fixedly connected with a plurality of screw holes which are arranged on the front end surface of the trapezoidal sliding key rod I (11112) correspondingly, two column hole notches arranged on a rear positioning block (11115) with a rear positioning function and two screw holes arranged on the rear part of the trapezoidal sliding key rod I (11112) in the U-shaped groove are respectively and fixedly connected correspondingly, at least two bearing holes (11119) with a rolling motion function are respectively and fixedly connected with two concentric holes which are arranged on the rear part of the inner wall of the trapezoidal sliding key rod I (11112) in the U-shaped groove, the concentric connecting plate (11113) which is longitudinally arranged on the inner wall of the socket inner arc-shaped die I (111111), the inner wall of the bearing connecting plates (11113), the bearing hole, wherein the connecting plate is smaller than the angle of the bearing hole (11113) is smaller than that of the bearing hole (11113) and is smaller than that the bearing hole (11113) and the bearing hole of the bearing hole (11113;
the structure design of the assembly body (1112) with the internal shaping die in the bellmouth is compared with that of the assembly body (1112) with the internal shaping die in the bellmouth, and the difference is that in the assembly body (1112) with the internal shaping die in the bellmouth, a front positioning plate (11114) is reduced, the curved surface area of the outer wall of an inner arc-shaped plate (111211) in the inner shaping die plate II (11121) in the bellmouth is increased, the length of a trapezoidal sliding key rod II (11122) is reduced, and other structures are the same as that of the assembly body (1111) with the internal shaping die in the bellmouth;
the dovetail groove shaft assembly (1113) is a steel welding and/or casting structural part and comprises a dovetail groove shaft (11131), a sleeve (11132), an arc connecting plate (11133), a rib plate (11134), a bottom plate (11135) and a semicircular flange (11136), wherein the dovetail groove shaft (11131) is a cylinder, at least three dovetail grooves (111311) are uniformly distributed on the circumferential surface of the dovetail groove shaft, a stepped cylinder (111312) and a central wire hole (111313) are arranged on the front end surface of the dovetail groove shaft, a plurality of wire holes (111314) are uniformly distributed on the front end surface between adjacent dovetail grooves, the rear end surface of the sleeve (11132) is flush with the rear end surface of the dovetail groove shaft, and is respectively in front-back through and concentric welding and/or casting connection with a plurality of bosses on the inner wall of the sleeve and the dovetail groove shaft through the arc connecting plate (11133) with the length equal to that of the sleeve; the left side and the right side of the bottom plate (11135) are provided with a plurality of through holes (111351) in a front-back alternate and symmetrical manner, and the through holes are in welded connection and/or cast connection which is flush with the front end surface of the sleeve and is tangential to the sleeve in a left-right symmetrical manner; the rib plates (11134) are in right-angle arc shapes, have the same radian size as the outer wall of the sleeve (11132), are symmetrical left and right, and are connected with the outer wall of the sleeve and the upper end face of the bottom plate in a welding and/or casting way at intervals front and back; a plurality of through holes (111361) are uniformly distributed in the semicircular flange (11136) in the circumferential direction, the rear end face of the semicircular flange is flush with the rear end face of the sleeve, and the cross section of the semicircular flange is welded and/or cast on the upper half part of the sleeve in parallel with the bottom plate;
the annular positioning plate assembly body (1114) comprises a central circular plate (11141), a plurality of circular rings (11142) concentric with the central circular plate, a fixing piece (11143) shaped like a Chinese character 'mi' and a fastening piece, wherein the central circular plate (11141) is provided with a central through hole, a plurality of through holes are uniformly distributed in the central through hole and an edge interval in the inner ring direction, and a plurality of semicircular thread holes are uniformly arranged in the annular direction by taking an outer edge line as the center; the plurality of concentric rings (11142) are respectively and uniformly distributed with a plurality of groups of semicircular wire holes taking the inner edge sideline and the outer edge sideline as the centers in the circumferential direction, wherein the outermost concentric ring is only uniformly distributed with a plurality of semicircular wire holes in the circumferential direction taking the inner edge sideline as the center; the fixing piece (11143) is a steel component, the central point is provided with a through hole (111431), at least three fixing laths (111432) are annularly and uniformly radiated along the central point, the fixing laths are connected with an outer ring (111433), a plurality of through holes are alternately arranged on the radial central line of each fixing lath and are respectively connected and fixed with the central through hole of the central circular plate and the through holes, and a plurality of groups of screw holes formed by pairwise sleeving the central circular plate and the concentric circular rings are correspondingly connected and fixed;
the transmission frame assembly (1115) comprises a front cross fixing plate (11151), a rear cross fixing plate (11152), a hydraulic cylinder I connecting screw rod (11153), square steel (11154), a ball hinge lug ring connecting block (11155) and fasteners, wherein a through hole (111511) is formed in the center of the front cross fixing plate (11151), at least two fixing plates (111512) are uniformly radially radiated along the central through hole, 2 through holes which are alternated are formed in each fixing plate, at least two groups of through holes are uniformly distributed in the circumferential direction in the area between the central through hole and the radiated at least two fixing plates, a concave circle is formed in the center of the rear cross fixing plate (11152), and other structures are the same as those of the front cross fixing plate (11151) except the two groups of through holes and the central through hole; one end of the hydraulic cylinder I connecting screw rod (11153) is overlapped with a concave circle arranged at the center of the rear cross-shaped fixing plate (11152) and is welded and connected, the other end of the hydraulic cylinder I connecting screw rod is provided with a wire part area and is fixedly connected with the ball hinge lug connecting block (11155), the front end surface and the rear end surface of the square steel (11154) are respectively provided with 2 wire holes which are arranged alternately up and down and are respectively and correspondingly connected and fixed with through holes arranged in the front cross-shaped fixing plate (11151) and the rear cross-shaped fixing plate (11152) and radiated by at least two fixing plates, and the ball hinge lug connecting block (11155) is connected with the wire part area arranged in the hydraulic cylinder I connecting screw rod (11153) in a screwing way;
the transmission rod assembly (1116) is a steel structural member and comprises a transmission connecting plate (11161), a transmission rod (11162) and a spherical hinge lug ring connecting block (11163), wherein a concave circle (111611) is arranged at the center of the transmission connecting plate (11161), at least 2 fixing plates (111612) are uniformly distributed and radiated along the circumferential direction of the concave circle, and 2 through holes are arranged in each fixing plate at intervals; one end of the transmission rod (11162) is connected with the concave circle arranged on the transmission connecting plate (11161) in a superposition welding manner, and the other end of the transmission rod is provided with a wire part area; the spherical hinge ear ring connecting blocks (11163) and (11155) are steel structural members, are U-shaped in appearance, are provided with through screw holes in the centers of the bottoms, are provided with concentric through holes on the left side surface and the right side surface, and are connected with the screw part area arranged at one end of the transmission rod in a screwing manner;
the whole space of the interlocking device (111) of the opening and closing shaping die in the socket is arranged as follows: from front to back in sequence: by fixing annular locating plate assembly body (1114) that has the function of limiting the operation space of socket interior shaping dies I and II at the front end of dovetail shaft assembly (1113), by at least two sets of socket interior shaping dies I and II assembly bodies (1111), (1112) in the trapezoidal sliding key pole I and the trapezoidal sliding key pole II (11112), (11122), with set up in dovetail shaft assembly (1113) dovetail groove shaft (11131) set up in circumference at least four dovetail grooves (111311) correspond to sliding fit connection respectively, the shape when socket interior shaping dies I (11111) and II (11121) locate the maximum diameter position presents a whole circle, thus realize to steel pipe socket portion internal diameter sizing size preparation, and socket interior shaping dies I (11111) and II (11121) in the inclined plane alternate cooperation between the inner arc board, the alternate inclined plane cooperation means: when a plurality of socket inner shaping dies I (11111) and II (11121) form a whole circle, a gap of at least 1 mm is reserved between the inclined planes of the two inner arc-shaped plates, and the inclined directions of the inclined planes which are alternately matched refer to: along the direction intersecting the central lines of the fan-shaped surfaces of the two inner arc-shaped plates, at least two groups of through holes which are arranged in a transmission frame assembly (1115) with a transmission function and a front cross-shaped fixing plate are correspondingly connected and fixed with the back ends of the trapezoidal sliding key rods I (11112) in at least two sets of socket mouth shaping mold I assembly bodies (1111), at least two groups of through holes which are arranged in a transmission connecting plate in a transmission rod assembly (1116) with a transmission function and the back ends of the trapezoidal sliding key rods II (11122) in at least two sets of socket mouth shaping mold II assembly bodies (1112) are correspondingly connected and fixed, a ball hinge ear ring (1117) inserted into and connected with a ball hinge ear ring connecting block (11155) at the middle rear part of the transmission frame assembly (1115) by a pin shaft (11101), a hydraulic cylinder (I1118) connected with the ball hinge ear ring, a ball hinge ear ring (1117) inserted with a ball hinge ear ring connecting block (11163) at the middle rear part of the transmission rod assembly (1116) and connected by a pin shaft (11101), a hydraulic cylinder II (1119) connected with the ball hinge ear ring, and the hydraulic cylinder II (1119) is arranged in the frame space of the transmission frame assembly (1115), the dovetail groove shaft assembly (1113), the annular positioning plate assembly (1114), the bellmouth internal-shaping die I and II assemblies (1111) and (1112), the transmission frame assembly (1115), the transmission rod assembly (1116) and the hydraulic cylinders I (1118) and II (1119) are coaxially arranged;
the bell mouth outer pressing and shaping mold linkage device (112) is characterized by comprising a fixing frame (1121), a bell mouth outer shaping mold I assembly body (1122), a bell mouth outer shaping mold II assembly body (1123), a left-right spinning positioning rod (1124), a rolling linear guide rail pair (1125), a connecting nut welding piece (1126), a hydraulic cylinder III (1127), a support pipe welding piece (1128) and a fastening piece, wherein,
the fixing frame (1121) is a steel frame body (11211) which is formed by arranging square tubes in a criss-cross mode, is externally cuboid and is internally welded by a polygon body, a positioning hole connected with a dovetail shaft assembly (1113) is further formed in the frame body, a panel (11212) is welded on the front end face of the rear part of the frame body, guard plates (11213) are arranged on the periphery of the polygon body, perforated anchor connecting plates (11214) are welded at the bottoms of the square tubes on the periphery, a lifting hook (11215) is welded on the upper part of the square tubes, and a plurality of hydraulic cylinder III fixing plates (11216) are arranged in the polygon body; the central area of the hydraulic cylinder III fixing plate (11216) is provided with a central through hole, a plurality of through holes are uniformly distributed along the circumferential direction of the central through hole, two alternate screw holes and one through hole are respectively formed in two sides of the plurality of through holes, the arrangement number of the hydraulic cylinder III fixing plate (11216) is the same as that of the inner polygonal bodies (11211) in the fixing frame (1121), and the hydraulic cylinder III fixing plate is uniformly distributed and welded in the inner wall of the polygonal bodies in the circumferential direction by taking the centers of the polygonal bodies as the circle centers; the panel (11212) can adopt a structure of a whole steel plate and/or a spliced steel plate, a central through hole (112121) is arranged in the central area of the panel, the circle center of the central through hole is superposed with the central point of the polygonal body, a plurality of rows of alternate screw holes (112122) are uniformly distributed along the circumferential direction of the central through hole, and a plurality of through holes (112123) are arranged in the regions of the alternate screw holes;
i assembly body (1122) of design mould outside bellmouth, including the bellmouth outer design mould I (11221), flange connecting rod seam piece (11222), levogyration screw nut (11223), dextrorotation screw nut (11224), tensioning levogyration screw rod (11225), connecting rod I (11226), connecting rod II (11227) and fastener, wherein, bellmouth outer design mould I (11221) is steel seam and/or casting structure, and its space is laid and is: the outer wall symmetrical to the central line of the sector surface of the outer arc plate (112211) is provided with a cuboid filament block (112212), the upper end surface of the cuboid filament block is uniformly distributed with a plurality of filament holes tangent to the outer wall of the outer arc plate in the circumferential direction, the front end surface is also provided with filament holes with given depth, the left side and the right side of the cuboid filament block are provided with a plurality of symmetrical rib plates (112213) with concentric holes at intervals in the front and back, the front end surface and the back end surface of two rib plates symmetrical in the front and back ends are flush with the front and back end surfaces of the outer arc plate (112211), the front and back end areas of the inner wall of the outer arc plate are respectively provided with a centripetal gradient surface (1122111) with an angle larger than 110 degrees, and the middle area is also provided with at least one convex rib (1122112);
the flange connecting rod welding piece (11222) is a cylindrical steel member and comprises a flange connecting rod (112221), a positioning connecting plate (112222), an upper flange plate (112223) and a lower flange plate (112224), wherein the upper flange plate and the lower flange plate are in flush welding connection with the two end faces of the flange connecting rod, the positioning connecting plate is arranged in the interval of the upper flange plate and the lower flange plate and is in sleeved welding connection with the flange connecting rod, and a plurality of through holes (1122231) are circumferentially arranged in the end faces of the upper flange plate and the lower flange plate; the positioning connecting plate (112222) is a steel component with an H-shaped appearance, a central through hole (1122221) is formed in the center position of the upper end face, two concave space (1122222) symmetrical to the central line are further formed in the left side and the right side of the central hole, two supporting portion areas (1122223) are further respectively formed in the two sides of the two concave space, and a cambered surface (11222231) and a concentric hole (11222232) concentric with the cambered surface are respectively formed in the two end portions; one end of the left-handed screw nut (11223) is provided with a radian surface and a through hole which is concentric with the radian surface, a left-handed central screw hole with a given depth is also arranged on the bottom end surface which is parallel to the through hole, the structure of the right-handed screw nut (11224) is the same as that of the left-handed screw nut, and the central screw hole is in the right-handed direction; the middle area of the tensioning left-right spinning rod (11225) is provided with a raised polygonal body, and cylinders with equal length and left-right spinning part areas are respectively arranged along the two ends of the polygonal body and are respectively connected and fixed with screw holes in a left-handed screw nut and a right-handed screw nut;
the spatial arrangement of the I assembly body (1122) of the bell mouth outer shaping die is as follows: the flange connecting rod welding piece is characterized in that a plurality of through holes are formed in the flange connecting rod welding piece (11222) in the circumferential direction, and are correspondingly screwed and fixed with a plurality of screw holes which are uniformly distributed in the circumferential direction on the upper end face of a cuboid screw block (112212) in a socket outer shaping mould I (11221), a left and right tensioning screw rod (11225) with an adjusting function is respectively connected and fixed with left and right screw nuts (11223) and (11224), the left and right screw nuts are respectively inserted and combined with two concave space formed in a positioning connecting plate (112222) in the flange connecting rod welding piece (11222) and an intermediate rib plate in the socket outer shaping mould I, correspond to concentric holes formed in the flange connecting rod welding piece (11222), and are sleeved, connected and fixed by a connecting rod I (11226) and a connecting rod II (11227);
the structure design of the assembly body (1123) of the bell mouth outer shaping mold II is compared with that of the assembly body (1122) of the bell mouth outer shaping mold I, and the difference is that the curved surface area of the outer wall of the outer arc-shaped plate (112311) in the bell mouth outer shaping mold II (1123) is increased, and other structures of the assembly body (1123) of the bell mouth outer shaping mold II (11231) are the same as those of the assembly body of the bell mouth outer shaping mold I;
a convex polygonal body (11241) is arranged in the middle area of the left-right rotating wire positioning rod (1124), and a cylindrical body (11242) area and a left-right rotating wire part area (11243) are respectively arranged along the two ends of the polygonal body; the rolling linear guide rail pair (1125) comprises a guide rail (11251) and a slider (11252), the rolling linear guide rail pair type functional component is selected, and of course, the rolling linear guide rail pair type functional component can also be selected as follows: any one of the rolling linear guide sleeve pair, the rolling spline pair and the rolling guide rail block functional part; the connecting nut welding element (1126) is a steel member formed by welding a bottom plate (11261) arranged at the opening of a column hole in four corner areas and a polygonal cylindrical nut (11262) provided with a left-handed inner screw hole; the support tube welding part (1128) is formed by welding a square tube and perforated connecting plates welded on two sections;
the spatial layout of the bell mouth outer pressing shaping mold linkage device (112) is as follows: the device is characterized in that a plurality of sets of hydraulic cylinders III (1127) are correspondingly connected and fixed with a plurality of hydraulic cylinder III fixing plates (11216) arranged in a fixing frame (1121), a plurality of sets of guide rails (11251) in a rolling linear guide rail pair (1125) for providing a motion track guide effect for socket outer shaping dies I and II assembly bodies (1122) and (1123) are correspondingly connected and fixed with a plurality of rows of alternate screw holes (112122) arranged in a panel (11212) in the fixing frame (1121), column hole notches arranged on a bottom plate (11261) and connected and fixed with screw holes of a sliding block (11252) in the rolling linear guide rail pair (1125) correspondingly, the socket outer shaping dies I and II assembly bodies (1122) and (1123) are adjacent and connected and fixed with the plurality of sets of hydraulic cylinders III (1127), inclined planes between outer arc-shaped plates (211) and (112311) in the socket outer shaping dies I (11221) and II (11231) are alternately matched, and the inclined planes are alternately matched, wherein the inclined plane matching means that: when a plurality of socket outer shaping dies I and II (11221), (11231) are formed into a whole circle, a gap of at least 1 mm is reserved between inclined surfaces of two outer arc-shaped plates (112211), (112311), and the inclined directions of the inclined surfaces which are matched at intervals refer to that: along the direction intersecting the central lines of the sector surfaces of the two outer arc-shaped plates (112211), (112311), when the bell mouth outer shaping molds I and II (11221), (11231) centripetally move to the minimum diameter position, the bell mouth outer shaping molds I and II (11221), (11231) are in a full circle in the same vertical plane, thereby realizing the dimension shaping manufacture of the outer wall of the steel pipe bell mouth, a plurality of left-right screw positioning rods (1124) which can keep the bell mouth outer shaping molds I and II assembly bodies (1122), (1123) on the same plane and have the adjusting function are respectively connected and fixed with the fixed-depth screw holes (1122121) arranged on the cuboid screw blocks (112212) in the bell mouth outer shaping molds I and II (11221), (11231) and the polygonal cylindrical screw nuts (62) in the connecting screw nut welding part (1126) in a one-to-one correspondence manner, and the connecting plates arranged at the two ends of a plurality of supporting pipe welding parts (8) are respectively connected and fixed with the screw holes arranged on the hydraulic cylinder fixing plates (11216) in the fixing plate (11212) in the fixing frame (1121121) in one-to one correspondence manner,
the spatial layout of the numerical control linkage mechanism (11) of the bellmouth pressing and shaping die is as follows: the numerical control linkage mechanism (11) of the bell mouth pressing and shaping die is formed by a plurality of through holes (111351) arranged on a bottom plate (11135) of a dovetail groove shaft assembly (1113) in a bell mouth internal pressing and shaping die linkage device (111) and positioning holes arranged on a fixing frame (1121) in a bell mouth external pressing and shaping die linkage device (112) which are respectively corresponding to each other, and the assembly bodies I and II of the bell mouth internal and external pressing and shaping dies in the assembly mechanism are concentrically corresponding and fixedly connected,
the rack device (12) is a structural frame (121) formed by arranging square pipes in a transverse and vertical staggered manner and welding three layers of an upper layer, a middle layer and a lower layer, wherein the bottom layer at the front end part is provided with a space (1211) and a bottom positioning hole (1212) for facilitating installation of a bell mouth outer pressing and shaping die linkage device, a lifting hook (122) for facilitating hoisting of the rack device is welded at the upper layer, a hydraulic cylinder I fixing plate (123) and a hydraulic cylinder II fixing plate (124) are welded at the longitudinal middle area of the upper end surface of the middle layer, a fixed connecting plate (125) with holes for facilitating installation of a rack moving power source (1202) is welded at one side of the upper end surface of the bottom layer, 2 groups of height-adjustable supporting roller wheels (126) are arranged between the bottom layer and the middle layer and above the fixed connecting plate, the left, middle and right longitudinal of the lower end surface of the bottom layer are also provided with a plurality of rows of alternate support roller assemblies (127), the front end surfaces of square tubes at the left and right ends of the upper and middle layers are also respectively welded with positioning hole connecting plates (128), the front end part between the upper and middle layers is also welded with semicircular flange connecting plates (129) uniformly distributed with a plurality of through holes, the cross section of the semicircular flange connecting plates is parallel to the end surface of the middle layer, the upper end surface of the front part of the middle layer is also provided with positioning holes (1213) convenient for connecting the bottom plates in the dovetail shaft assemblies, and the circumferential direction of the structure frame is provided with a protective plate (1201). Of course, according to the requirement of transportation conditions, the frame device (12) and a fixed frame (1121) in a bell mouth external pressing and shaping die linkage device (112) can also be welded into a whole; the rack moving power source (1202) consists of a speed reducer motor (12021), a transmission gear (12022) and a fastener, wherein the transmission gear (12022) is combined with an output shaft of the speed reducer and is fixedly connected by a key, and a base hole in the speed reducer is correspondingly fixedly connected with a hole in a fixed connecting plate (125) with a hole;
the track device (13) is formed by transversely and vertically arranging and welding three light rails (131) and a plurality of steel plates (132) in a staggered manner, the light rails (131) are correspondingly arranged with three rows of a plurality of sets of support roller assemblies (127) in the rack device (12), a transmission rack (133) is arranged in the longitudinal middle area, and limit switches (1203) are respectively arranged in the upper end faces of the two end areas of one light rail (131);
the spatial layout of the steel pipe socket manufacturing numerical control equipment (1) is as follows: two through holes in a footing plate (11214) arranged on a fixing frame (1121) in a bell mouth external pressing shaping die linkage device (112) are respectively in one-to-one correspondence with positioning holes (1212) arranged at the front end part of a rack device (12), positioning hole connecting plates (128) welded by front sections of square tubes at the left and right ends of an upper middle layer and a middle upper layer of the rack device (12) are respectively in one-to-one correspondence with corresponding holes arranged on a panel (11212) in the bell mouth external pressing shaping die linkage device (112) for positioning and welding and fixing, rollers in a plurality of sets of support roller assemblies (127) arranged at a middle bottom layer of the rack device (12) are respectively in rolling fit with three light rails (131) in a bell mouth rack rail device (13), a transmission gear (12022) in a rack moving power source (1202) is meshed with a transmission rack (133) in a track device (13), a plurality of through holes respectively arranged on a bottom plate (11135) and a semicircular flange (11136) in a dovetail groove shaft assembly (1113) in a linkage device (111) of a stretching and shaping die in a bellmouth are respectively connected and fixed with a positioning hole (1213) arranged at the front end of a middle layer of a rack device (12) and a plurality of through holes in a semicircular flange connecting plate (129) in a one-to-one correspondence manner, a hydraulic cylinder I (1118) and a hydraulic cylinder II (1119) in the linkage device (111) of the stretching and shaping die in the bellmouth, and a hydraulic cylinder I fixing plate (123) and a hydraulic cylinder II fixing plate (124) respectively arranged with the middle layer of the rack device (12) are respectively connected and fixed The device comprises a hydraulic station (14), a temperature measuring instrument (18), a control platform (15), an oil pipe (16) and a pipe fitting (17) which are respectively communicated with a hydraulic cylinder I (1118), a hydraulic cylinder II (1119) and an oil inlet and return port of a hydraulic cylinder III (1127) and the hydraulic station (14), and a circuit which is respectively communicated with the hydraulic station (14), a rack moving power source (14), the temperature measuring instrument (18), a limit switch (1203) and the control platform (1202) in a point-to-point corresponding mode.
2. The numerical control equipment (1) for manufacturing the steel pipe bellmouth as claimed in claim 1, wherein the bellmouth internal-opening-closing shaping die linkage device (111) and the bellmouth external-pressing-shaping die linkage device (112) in the bellmouth pressing-shaping die numerical control linkage mechanism (11) are respectively arranged in a bellmouth internal-shaping die assembly body (1111), a bellmouth internal-shaping die assembly body (1112), a bellmouth external-shaping die assembly body (1122) and a bellmouth external-shaping die assembly body (1123) at intervals and concentrically, and inclined planes are alternately matched between an inner arc plate and an outer arc plate, wherein the inclined plane alternate matching means that: when a plurality of set of mouthfuls in design mould I (11111) and a plurality of set of mouthfuls in design mould II (11121) form a whole circle, when a plurality of sets of bellmouth outer design mould I (11221) and a plurality of sets of bellmouth outer design mould II (11231) formed a whole circle, remain at least 1 millimeter's clearance between two liang of adjacent inside and outside arc-shaped plate inclined planes, the inclined direction of the alternate complex of inclined plane indicates: along the direction intersecting the central lines of the sector surfaces of the inner arc plate and the outer arc plate which are adjacent to each other.
3. A steel pipe bell mouth manufacturing numerical control device and a process are characterized by comprising a steel pipe bell mouth manufacturing numerical control device (1) and a steel pipe bell mouth manufacturing numerical control device (2), wherein the steel pipe bell mouth manufacturing numerical control device 1 is the steel pipe bell mouth manufacturing numerical control device of any one of claims 1 to 2;
steel pipe flaring preparation numerical control equipment (2), a serial communication port, under the unchangeable prerequisite of above-mentioned steel pipe bellmouth preparation numerical control equipment (1) design structure principle, with bellmouth internal opening and closing design mould aggregate unit (111), open and close design mould aggregate unit (211) for the bellmouth instead, close design mould aggregate unit (112) with bellmouth external pressure, press fit design mould aggregate unit (212) for the bellmouth outward instead, with bellmouth pressfit design mould numerical control aggregate unit (11), change for bellmouth pressfit design mould numerical control aggregate unit (21) instead, will just be converted steel pipe flaring preparation numerical control equipment (2) by steel pipe bellmouth preparation numerical control equipment (1), wherein:
the linkage device (211) of the flaring internal opening and closing shaping die is characterized in that on the premise that the design structure principle of the linkage device (111) of the flaring internal opening and closing shaping die is not changed, the inner arc plates (111111) and (111211) in the flaring internal shaping die I (11111) and II (11121) are replaced by the inner arc plates (211111) and (211211) in the flaring internal shaping die I (21111) and II (21121), the distance between two column hole notches of the bearing connecting plate (11113) is increased and the bearing connecting plate is converted into a new bearing connecting plate, so that the linkage device (111) of the flaring internal opening and closing shaping die is converted into the linkage device (211) of the flaring internal opening and closing shaping die;
an inner arc-shaped plate (211111) in the flaring internal shaping mold I (21111) is a steel structural member, the inner wall and the outer wall are smooth curved surfaces, a radial slope surface (2111111) with the angle larger than 110 degrees is arranged in a given size at the rear end of the outer wall, a slope surface (2111112) in the centripetal direction with the angle larger than 110 degrees is arranged in a given size at the front end of the outer wall, and a smooth curved surface and/or a tapered curved surface (2111113) is arranged in the middle area;
the curved surface area of the outer wall of an inner arc plate (211211) in the flaring internal shaping mold II (21121) is larger than that of the outer wall of an inner arc plate (211111) in the flaring internal shaping mold I (21111), and other structures are the same as those of the flaring internal arc plate in the flaring internal shaping mold I;
the linkage device (212) of the flaring outer pressing and shaping die is characterized in that under the premise that the structural principle of the linkage device (112) of the flaring outer pressing and shaping die is not changed, the outer arc plates (112211) and (112311) in the bell mouth outer shaping die I (11221) and the bell mouth outer shaping die II (11231) are replaced by the outer arc plates (212211) and (212311) in the flaring outer shaping die I (21221) and the bell mouth outer pressing and shaping die II (21231), and the linkage device (112) of the bell mouth outer pressing and shaping die is converted into the linkage device (212) of the flaring outer pressing and shaping die;
in the flaring outer shaping die I (21221), an outer arc plate (212211) is a steel structural member, a radial slope surface (2122111) with a degree greater than 110 degrees is arranged at the front end region of the inner wall of the outer arc plate, a slope surface (2122112) with a centripetal direction greater than 110 degrees is arranged at the rear end region, and a smooth curved surface and/or a tapered curved surface (2122113) is arranged at the middle region;
the curved surface area of the outer wall of an outer arc plate (212311) in the flaring outer shaping die II (21231) is larger than that of an outer arc plate (212211) in the flaring outer shaping die I (21221), and other structures of the flaring outer shaping die II are the same as those of the outer arc plate in the flaring outer shaping die I;
the space layout of the numerical control linkage mechanism (21) of the flaring pressing and shaping die is as follows: a plurality of through holes (111351) formed in a bottom plate (11135) of a dovetail groove shaft assembly (1113) in a flaring internal-opening-closing shaping die linkage device (211) and positioning holes formed in a fixing frame (1121) in a flaring external-pressure-closing shaping die linkage device (212) respectively correspond to each other, and flaring internal and external shaping dies I and II assembly bodies in the flaring internal-opening-closing shaping die linkage device are concentrically corresponding to each other, connected and fixed, so that a flaring pressing shaping die numerical control linkage mechanism (21) is formed;
the spatial layout of the steel pipe flaring manufacturing numerical control equipment (2) is the same as that of the steel pipe bellmouth manufacturing numerical control equipment (1).
4. The numerical control linkage mechanism (11), (21) of the bell mouth external pressing and shaping die linkage device (112) and the bell mouth external pressing and shaping die linkage device (212) is characterized in that a bell mouth external shaping die I assembly body (1122), a bell mouth external shaping die II assembly body (1123), a bell mouth external shaping die I assembly body (2122) and a bell mouth external shaping die II assembly body (2123) are arranged on the same vertical plane at intervals and concentrically.
5. The numerical control equipment for manufacturing the steel pipe bell mouth as claimed in claim 3, wherein the bell mouth outer shaping dies I and II assembly bodies (1122), (1123) and the flaring outer shaping dies I and II assembly bodies (2122) and (2123) can be further arranged as follows according to different connection and positioning modes, taking the bell mouth outer shaping die I assembly body (1122) as an example: on the premise that other structures are not changed, a central screw hole is formed in the upper end face of a cuboid wire block (112212) in a bell mouth outer shaping die I (11221), a through hole connecting plate (112214) is arranged between a left symmetrical rib plate and a right symmetrical rib plate (112213) in the middle, and a rib plate connecting plate (112215) is arranged between the front rib plate and the rear rib plate; the structure is characterized in that a raised polygonal body (112221) is arranged in the middle area of a left-right rotating screw rod (11222), a cylindrical body (112222) is arranged along two end faces of the polygonal body respectively, a left-rotating screw part area and a right-rotating screw part area are arranged along two end faces of the cylindrical body respectively, a central screw hole is arranged on the right-rotating screw part area and the upper end face of a cuboid screw block (112212) and correspondingly connected and fixed, the left-rotating screw part area is connected and fixed with a screw hole coupler (11223), and through the arrangement, an assembly body I (1122) of a socket outer shaping mold I and a hydraulic cylinder III 1127 are enabled to be in a flange connection positioning mode and converted into an assembly body I (1122' of a screw hole coupler connection positioning mode.
6. The numerical control equipment for manufacturing the bell end and the mouth of the steel pipe as claimed in claim 3, wherein the bell end and mouth external pressing shaping die linkage device (112), (212) can be further configured as follows according to different connection and positioning modes by taking the bell end and mouth external pressing shaping die linkage device (112) as an example: under the premise that other structures are not changed, bearing sleeves (1124) are arranged in left and right holes arranged in each hydraulic cylinder III fixing plate (11216), linear motion ball bearings (1125) are arranged in the bearing sleeves and fixed, a screw hole coupling (11223) in a socket outer shaping die I and II (1122 ') and a screw hole coupling (1123 ') in a socket outer shaping die (1127) are correspondingly connected and fixed with rod end wires of a plurality of sets of hydraulic cylinders III (1127), a plurality of guide rail shafts (1126) are respectively sleeved with the linear motion ball bearings (1125), and screw end parts of the guide rail shafts (1126) are respectively connected and fixed with through holes (1122141) in through hole connecting plates (112214) arranged in the socket outer shaping die I (11221) and II (11231) in a one-to-one correspondence mode, so that a novel socket outer pressing shaping die linkage device (112 ') in the forms of screw hole coupling connection and rolling linear guide sleeve pair positioning and guiding modes is formed.
7. The numerical control equipment for manufacturing the steel pipe bell and spigot according to claim 3, wherein the numerical control linkage mechanisms (11) and (21) of the bell and spigot pressing and shaping dies are used as an example according to different connection and positioning modes, and can be arranged in such a way that the space layout is as follows on the premise that the other structures are not changed: a numerical control linkage mechanism (11 ') of the socket pressing and shaping mold is formed by a plurality of through holes (111351) arranged on a bottom plate (11135) of a dovetail groove shaft assembly (1113) in a linkage device (111) of the socket inner pressing and shaping mold, positioning holes arranged on a fixing frame (1121) in a linkage device (112') of the socket outer pressing and shaping mold in a form of positioning and guiding of a rolling linear guide sleeve pair, and a threaded hole coupler connection respectively corresponding to and enabling an assembly body (1122 ') and an assembly body (1123') of the socket inner and outer shaping molds in the linkage device to concentrically correspond to and be connected and fixed.
8. The numerical control equipment for manufacturing the steel pipe bearing flaring as claimed in claim 3, wherein the central angles of the sector surfaces of the inner arc plate and the outer arc plate in the bearing and flaring inner and outer shaping dies I and II are both larger than 20 degrees and are applied in a matching way with parallel and alternate inclined surfaces, the rotation angle of the bearing connecting plate (11113) applied in the bearing inner shaping die assembly I and II and the flaring inner shaping die assembly I and II is smaller than 120 degrees, and the angle of the slope surface (111142) in the front positioning plate (11114) is larger than 1 degree.
9. The numerical control equipment for manufacturing the steel pipe bell mouth as claimed in claim 3, wherein the applied bell mouth inner and outer shaping dies I and II assembly bodies, a plurality of rolling linear guide rail pairs and/or a plurality of rolling linear guide sleeve pairs and a plurality of hydraulic cylinders III are correspondingly arranged in groups, namely: the device comprises a socket inner shaping die I assembly body (1111), a socket outer shaping die I assembly body (1122), a set of rolling linear guide rail pair (1125) and/or a set of rolling linear guide sleeve pair, wherein one hydraulic cylinder III (1127) is a group; a socket inner shaping mold II assembly body (1112), a socket outer shaping mold II assembly body (1123), a set of rolling linear guide rail pair (1125) and/or two sets of rolling linear guide rail pairs, wherein one hydraulic cylinder III (1127) is a group; similarly, an assembly body I (2111) of the flaring internal shaping die, an assembly body I (2122) of the flaring external shaping die, a set of rolling linear guide rail pairs (1125) and/or two sets of rolling linear guide rail pairs, wherein one hydraulic cylinder III 1127 is in a group; an opening expanding inner shaping die II assembly body (2112), an opening expanding outer shaping die II assembly body (2123), a set of rolling linear guide rail pair (1125) and/or two sets of rolling linear guide rail pairs, wherein one hydraulic cylinder III (1127) is a group; each group is annularly arranged at intervals, and each 2 groups are linearly arranged at 180 degrees through the central line of the concentric circles; the number of the groups with the same number of the distributed applications is respectively in the range of 2 groups to 8 groups; the stroke of the applied hydraulic cylinder I (1118), hydraulic cylinder II (1119) and hydraulic cylinder III (1127) is in the range of 50 mm to 1500 mm.
10. The numerical control equipment and the process for manufacturing the steel pipe bellmouth according to the claim 3, characterized in that the numerical control equipment (1) for manufacturing the steel pipe bellmouth and the numerical control equipment (2) for manufacturing the steel pipe bellmouth have the same process;
the process for manufacturing the steel pipe socket part by the steel pipe socket manufacturing numerical control equipment (1) comprises the following steps:
firstly, starting a rack moving power source (1202) clockwise to enable rollers in a plurality of sets of support roller assemblies (127) arranged on a bottom layer in a rack device (12) and three light rails (131) arranged in a track device (12) to move forward, stopping the rack moving power source (1202) when the rack moving power source runs to a limit switch (1203), heating the end part of a steel pipe to a design temperature, wherein the temperature is generally within a range of 600-1100 ℃, and placing the end part of the steel pipe into an interval between an inner arc plate and an outer arc plate in a socket inner-outer shaping die I and a socket outer-shaping die II;
secondly, a hydraulic cylinder II (1119) firstly starts forward movement, a delayed hydraulic cylinder I (1118) starts forward movement, a delayed hydraulic cylinder III (1127) simultaneously starts forward movement, when the hydraulic cylinder II (1119) does forward movement, a plurality of trapezoidal sliding key rods II (11122) in a plurality of sets of socket mouth shaping mold II assemblies (1112) are simultaneously driven by conduction of a transmission rod assembly (1116), forward movement is carried out in a plurality of dovetail grooves (111311) arranged in a dovetail groove shaft (11131), when a bearing (11119) arranged on a plurality of sets of socket mouth shaping mold II assemblies (1112) is tangent to the plate surface of an annular positioning plate assembly (1114), transmission of a rotation angle of a bearing connecting plate (11113) is carried out, and a plurality of socket mouth shaping mold II (11121) synchronously carry out radial movement, when the front end moves to the rear end face of the rear bearing connecting plate (11113) and the front end face of the rear positioning block (11115) are superposed, the bearing connecting plate (11113) and the trapezoidal sliding key rod II (11122) form a 90-degree angle vertical shape, the radial position change of the plurality of socket internal shaping dies II (11121) reaches the maximum value, the forward movement of the hydraulic cylinder II (1119) stops, and similarly, when the hydraulic cylinder I (1118) moves forward, the trapezoidal sliding key rods I (11112) in the plurality of socket internal shaping dies I assembly bodies (1111) and the plurality of dovetail grooves (111311) arranged in the dovetail groove shaft (11131) are driven to move forward through the conduction of the transmission frame assembly body (1115) When the front-feeding operation is carried out until the bearings (11119) arranged on the plurality of sets of socket mouth inner shaping dies I assembly bodies (1111) are tangent to the plate surface of the annular positioning plate assembly body (1114), the radial motion is synchronously carried out by the plurality of socket mouth inner shaping dies I (11111) through the conduction of the rotation angle of the bearing connecting plate (11113), when the front-feeding operation is carried out until the rear end surface of the rear bearing connecting plate (11113) is superposed with the front end surface of the rear positioning block (11115), the bearing connecting plate (11113) and the trapezoidal sliding key rod I (11112) form a 90-degree angle vertical shape, at the moment, the radial position change of the plurality of socket mouth inner shaping dies I (11111) reaches the maximum value, and the forward motion of the hydraulic cylinder I (1118) is stopped; at the moment, a plurality of bell mouth inner shaping dies I (11111) and II (11121) form a whole circle, so that the requirement of the inner diameter shaping design size of the bell mouth of the steel pipe is met; when the hydraulic cylinder III (1127) moves forwards simultaneously to drive the plurality of bell mouth outer shaping die I assembly bodies (1122) and the plurality of bell mouth outer shaping die II assembly bodies (1123) to move centripetally, the slide block (112252) is driven to move centripetally in the guide rail (112251) under the conduction of the left-right rotating screw positioning rod (1124), and when the plurality of bell mouth outer shaping die I assembly bodies (1122) and the plurality of bell mouth outer shaping die II assembly bodies (1123) move centripetally to the design value of the minimum diameter, outer arc plates in the plurality of bell mouth outer shaping die I assembly bodies (1122) and the plurality of bell mouth outer shaping die II assembly bodies (1123) form a whole circle, so that the requirement of the outer diameter shaping design size of the steel pipe bell mouth part is met; the forward movement of the hydraulic cylinder III (1127) is stopped, and the first pressing and shaping manufacturing action of the steel pipe socket part between the inner arc plate and the outer arc plate is started;
thirdly, starting backward movement successively by a time-delay hydraulic cylinder I (1118) and a hydraulic cylinder II (1119), starting backward movement simultaneously by a plurality of time-delay hydraulic cylinders III (1127), driving a plurality of socket-in shaping dies I and II (1122) and (1123) simultaneously by conduction of a transmission frame assembly (1115) and a transmission rod assembly (1116) when the hydraulic cylinders I (1118) and II (1119) perform backward movement, driving a plurality of sets of socket-in shaping dies I and II (11112) and (11122) simultaneously by conduction of a plurality of trapezoidal sliding key rods I and II (11112) and (11122) in the dovetail grooves (31), performing backward movement in a plurality of dovetail grooves (111311) arranged in the dovetail grooves (11131), performing centripetal movement by conduction of a rotation angle of a bearing connecting plate (11113), rolling of bearings (11119) arranged in a plurality of socket-in shaping dies I and II (11114) on the surface of an annular positioning plate (1111114) of the annular positioning plate assembly (11111), and performing centripetal movement of the shaping dies I (11111) to a minimum value when the radial bearing (11111) arranged in the socket-in the radial direction of the plurality of the socket-in the dovetail grooves (11111) of the annular positioning plate (11111) and the axial positioning die (11111), and when the design dies (11111) reach the minimum value of the radial direction, the radial direction of the radial bearing-shaping dies (11111), and the radial bearing-shaping dies (21), and the radial bearing-shaped dies (21) The hydraulic cylinder I (1118) retreats and stops, when a plurality of sets of hydraulic cylinders III (1127) retreats simultaneously, a plurality of sets of bell mouth outer shaping dies I and II assembly bodies (1122) and (1123) are driven to move radially, under the conduction of a left-right screw positioning rod (1124), a sliding block (112252) is also driven to move radially in a guide rail (112251), when the plurality of sets of bell mouth outer shaping dies I and II assembly bodies (1122) and (1123) radially move to a maximum diameter design value, a plurality of sets of hydraulic cylinders III (1127) stop simultaneously, and the first pressing shaping manufacturing of the steel pipe bell mouth part is completed;
fourthly, rotating the steel pipe, repeating the first pressing and shaping manufacturing action, and finishing the manufacturing of the steel pipe socket part;
and fifthly, starting the rack moving power source (1202) anticlockwise to enable rollers in a plurality of sets of support roller assemblies (127) arranged on the bottom layer in the rack device (12) and three light rails (131) arranged in the rail device (13) to move backwards, stopping the rack moving power source (1202) when the rack device (12) runs to a limit switch (1203) at the rear end, returning the rack device (12) to the original point, and manufacturing a subsequent steel pipe bearing part.
CN202110733973.6A 2021-06-30 2021-06-30 Numerical control equipment and process for manufacturing steel pipe bearing flaring Pending CN115532957A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117000767A (en) * 2023-10-07 2023-11-07 常州润来科技有限公司 Novel rolling equipment for copper pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117000767A (en) * 2023-10-07 2023-11-07 常州润来科技有限公司 Novel rolling equipment for copper pipe
CN117000767B (en) * 2023-10-07 2023-12-08 常州润来科技有限公司 Novel rolling equipment for copper pipe

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