CN112934550A - Method for manufacturing steel lining polypropylene pipe - Google Patents
Method for manufacturing steel lining polypropylene pipe Download PDFInfo
- Publication number
- CN112934550A CN112934550A CN202110123738.7A CN202110123738A CN112934550A CN 112934550 A CN112934550 A CN 112934550A CN 202110123738 A CN202110123738 A CN 202110123738A CN 112934550 A CN112934550 A CN 112934550A
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- pipe
- way pipe
- plate
- steel
- plastic
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- -1 polypropylene Polymers 0.000 title claims abstract description 37
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 35
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 title description 12
- 239000010959 steel Substances 0.000 title description 12
- 238000005507 spraying Methods 0.000 claims abstract description 87
- 239000004033 plastic Substances 0.000 claims abstract description 77
- 229920003023 plastic Polymers 0.000 claims abstract description 77
- 238000003825 pressing Methods 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims description 35
- 244000309464 bull Species 0.000 claims description 14
- 238000005498 polishing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 241000826860 Trapezium Species 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0645—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation
- B05B13/0654—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation and a treating nozzles being translated through the hollow bodies in a direction essentially parallel to the rotational axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
- B05D7/222—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of pipes
- B05D7/225—Coating inside the pipe
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to a manufacturing method of a steel-lined polypropylene pipe, which adopts a manufacturing device of the steel-lined polypropylene pipe, wherein the manufacturing device of the steel-lined polypropylene pipe comprises a bottom plate, a locking frame, a pressing mechanism, a supporting vertical plate, a plastic lining mechanism and a stable vertical plate; the method for manufacturing the steel-lined polypropylene pipe by adopting the steel-lined polypropylene pipe manufacturing device comprises the following steps: s1, processing the surface of the pipe; s2, positioning and clamping the pipe; s3, lining the pipe with plastic; s4, the pipe is fully lined with plastic. The invention can solve the following problems of the existing three-way pipe during plastic lining treatment: when the three-way pipe is lined with plastic, the spraying machine can spray the plastic to the outer side of the three-way pipe when spraying is carried out on the communicating part in the middle of the three-way pipe, waste of the plastic is caused, the spraying machine moves unstably in the three-way pipe, the spraying amount of the spraying machine cannot be adjusted, the three-way pipe needs to be lined with plastic in two steps, and therefore the processing efficiency of the three-way pipe is low.
Description
Technical Field
The invention relates to the field of pipeline processing, in particular to a method for manufacturing a steel lining polypropylene pipe.
Background
The steel lining polypropylene pipe is subjected to lining plastic treatment in the steel pipe, so that the pipeline has the mechanical property of the steel pipe and the corrosion resistance of the plastic pipe. The plastic-lined pipe can be divided into the following parts according to the performance of plastic powder and other factors: steel lined polypropylene pipes, steel lined polyvinyl chloride pipes, steel lined polyethylene pipes, steel lined polyolefin pipes, steel lined polytetrafluoroethylene pipes.
Ordinary steel pipe carries out the lining and moulds processing comparatively portably, and the three-way pipe firstly locks its position when carrying out the lining and moulds the processing, then sprays plastics on the inner wall of the horizontal end of three-way pipe through the flush coater, later carries out the lining through another production line to its longitudinal segment and moulds the processing, and the problem that exists when current three-way pipe carries out the lining and moulds the processing is as follows:
1. when the three-way pipe is lined with plastic, the plastic can be sprayed to the outer side of the three-way pipe when the spraying machine performs spraying on the communicating part in the middle of the three-way pipe, so that the plastic is wasted, the spraying machine moves unstably in the three-way pipe, and the spraying amount of the spraying machine cannot be adjusted;
2. the three-way pipe needs to be subjected to lining plastic treatment in two steps, so that the processing efficiency of the three-way pipe is low, and the plastic thickness of the transverse section and the longitudinal section of the three-way pipe can be deviated by the processing mode.
Disclosure of Invention
In order to solve the problems, the invention provides a method for manufacturing a steel-lined polypropylene pipe, which adopts a steel-lined polypropylene pipe manufacturing device, the steel-lined polypropylene pipe manufacturing device comprises a bottom plate, locking frames, a pressing mechanism, a supporting vertical plate, a plastic lining mechanism and a stable vertical plate, wherein two locking frames are distributed above the middle part of the bottom plate, the two locking frames are vertically and symmetrically arranged, the locking frame close to the bottom plate is arranged on the bottom plate through a telescopic column, the pressing mechanism is arranged at the upper end of the locking frame far away from the bottom plate, the supporting vertical plate and the stable vertical plate are respectively arranged at the two ends of the bottom plate, the plastic lining mechanism is arranged on the side surface of the supporting vertical plate corresponding to the stable vertical plate, the invention can carry out plastic lining action on polypropylene in a three-way pipe, firstly, a three-way pipe is arranged between the two locking frames, the axial lead of the transverse section of the three-way pipe corresponds to the axial lead of a multi-, then the pressing mechanism is controlled to lock the position of the three-way pipe, the plastic lining mechanism can perform plastic lining action on the three-way pipe, and the pressing mechanism can drive the three-way pipe to rotate, so that the transverse section and the longitudinal section of the three-way pipe can be continuously lined with plastic, and the plastic lining precision of the three-way pipe and the forming efficiency of the pipe are improved.
The plastic lining mechanism comprises a multistage cylinder arranged on the side face of a supporting vertical plate, a movable plate is arranged at the telescopic end of the multistage cylinder, a rotating motor is arranged on the movable plate through a motor base, the axial lead of the multistage cylinder corresponds to the axial lead of the multistage cylinder, a rotating support is arranged on an output shaft of the rotating motor, a rotating groove and a rotating column which are mutually matched in a rotating mode are formed between the movable plate and the rotating support, the rotating support is of a U-shaped structure, a spraying machine is arranged in the rotating support, and a square sliding block and a square sliding groove which are mutually matched in a sliding mode are respectively arranged on the side face of the spraying machine and the inner wall;
the end of the spraying machine far away from the closed side of the rotating support is provided with a spraying groove, a closed block is arranged in the spraying groove, one end of the closed block, which is positioned outside the spraying machine, is of an isosceles trapezoid structure, the upper end and the lower end of the closed block are respectively provided with a connecting plate, a positioning spring is arranged between the connecting plates and the side surface of the rotating support, the middle part of the closed end of the rotating support is connected with an adjusting bolt in a thread matching mode, one end, which corresponds to the opening side of the rotating support, of the adjusting bolt is arranged on the spraying machine through a bearing, when the spraying machine works, after the three-way pipe is locked, the multistage cylinder is controlled to perform extension motion and is matched with the rotating motor to rotate, so that the spraying machine can move to the transverse section of the three-way pipe at a constant speed, the position of the spraying machine can be adjusted through rotating the adjusting bolt, thereby the molten plastics in the flush coater can be followed spout in the spout groove and spout, and the flush coater can adjust the volume of flush coater blowout plastics through rotating adjusting bolt when corresponding with the cavity position of three-way pipe, when the flush coater moved the intercommunication portion at three-way pipe middle part, the closing block can separate with the tee bend, make the closing block outwards remove under positioning spring's effect, make the closing block stop up the flush coater again, when the closing block contacted with the three-way pipe, the closing block can shrink and carry out the lining of plastics and mould.
The method for manufacturing the steel-lined polypropylene pipe by adopting the steel-lined polypropylene pipe manufacturing device comprises the following steps:
s1, surface treatment of the pipe: firstly, polishing the inner side and the outer side of the three-way pipe so as to remove impurities and rust on the three-way pipe;
s2, positioning and clamping the pipe: firstly, locking a pressing mechanism on an external mounting frame, placing a pipe between two locking frames after polishing, enabling the axial lead of a transverse section of the three-way pipe to correspond to the axial lead of a multi-stage cylinder through the telescopic motion of a telescopic column, and then controlling the pressing mechanism to lock the position of the three-way pipe;
s3, lining the pipe with plastic: after the three-way pipe is locked, the multistage cylinder is controlled to perform extension movement and is matched with the rotating motor to rotate, so that the spraying machine can move into a transverse section of the three-way pipe at a constant speed, the position of the spraying machine can be adjusted by rotating the adjusting bolt, the sealing block can be compressed when moving into the three-way pipe along with the spraying machine, the inclined surface of the trapezoidal structure of the sealing block moves to the inner wall side of the spraying groove, molten plastic in the spraying machine can be sprayed out of the spraying groove, and the amount of the plastic sprayed out by the spraying machine can be adjusted by rotating the adjusting bolt when the spraying machine corresponds to the cavity position of the three-way pipe;
s4, plastic lining of the pipe overall: after the transverse section of the three-way pipe is lined with plastic, the multistage cylinder is controlled and controlled to contract to the initial position, and then the three-way pipe is rotated by ninety degrees, so that the plastic lining treatment can be carried out on the longitudinal section of the three-way pipe.
As a preferred technical scheme, a T-shaped sliding block is arranged at the bottom of the supporting vertical plate, a T-shaped sliding groove matched with the T-shaped sliding block in a sliding mode is arranged at the top of the bottom plate, a pushing cylinder is arranged at the lower end of the side face, far away from the stable vertical plate, of the supporting vertical plate, the fixed end of the pushing cylinder is arranged at the top of the bottom plate through a cylinder supporting plate, and the supporting vertical plate can be driven to adjust the left position and the right position through the telescopic motion of the pushing cylinder, so that the supporting vertical plate is prevented from blocking the.
As a preferred technical scheme of the invention, the downward pressing mechanism comprises a downward pressing cylinder arranged at the upper end of the locking frame, a downward pressing support plate is arranged at the upper end of the downward pressing cylinder, mounting support plates are distributed above the downward pressing support plate, an adjusting rotary column is arranged on the upper side surface of the downward pressing support plate, the upper end of the adjusting rotary column penetrates through the mounting support plate, a triangular groove is arranged on the outer side surface of the upper end of the adjusting rotary column, the included angle between the triangular grooves is ninety degrees, the locking frame can be driven to move up and down by the telescopic motion of the downward pressing cylinder, so that the locking frames are matched to lock the three-way pipe or unlock the three-way pipe, the left end and the right end of the upper side surface of the mounting support plate can be mounted on the external mounting frame, the pressing mechanism and the locking frame far away from the bottom plate are locked in position, after the transverse section of the three-way pipe is lined with plastic, the adjusting rotary column is rotated by ninety degrees, so that the invention can perform lining plastic treatment on the longitudinal section of the three-way pipe.
As a preferred technical scheme of the invention, a clamping support plate is arranged on the upper side surface of the mounting support plate, a clamping elastic column is connected to the clamping support plate in a sliding fit mode, a clamping block is arranged at one end, close to the adjusting rotary column, of the clamping elastic column, the clamping block is of a triangular structure and is locked in a triangular groove, the clamping block is moved out of the triangular groove by pulling the clamping elastic column outwards, the adjusting rotary column is controlled to rotate ninety degrees, the clamping block can be locked in the triangular groove again after external force is removed, and the locking frame can rotate ninety degrees accurately by the arrangement, so that the plastic lining precision of the transverse section and the longitudinal section of the three-way pipe is improved.
As a preferred technical scheme of the invention, the lower end of the telescopic column is provided with a turntable, the turntable is connected to the bottom plate in a friction fit mode, when the rotary column is adjusted to rotate, the turntable can rotate in a fit mode, and the turntable cannot rotate without external force due to the friction fit of the turntable and the bottom plate.
As a preferred technical scheme of the invention, the side face of the sealing block, which is far away from the spraying machine, is an arc-shaped face, the connecting plate on the sealing block is of a triangular structure, the arc-shaped face of the sealing block can increase the contact stability of the sealing block and the inner wall of the three-way pipe, and the triangular structure of the sealing block can prevent the sealing block from being clamped on the three-way pipe when the spraying machine moves to the communicating part in the middle of the three-way pipe.
According to a preferable technical scheme, the stable vertical plate is connected with the supporting rotating rod in a sliding fit mode, the supporting rotating rod extends to the rotating support, the position, corresponding to the supporting rotating rod, of the rotating support is provided with the dismounting plate through the bolt, the dismounting plate is provided with the counter bore, the supporting rotating rod is connected in the counter bore, and the supporting rotating rod can support the rotating support, so that the spraying machine cannot shake, and the precision of the spraying machine for lining the three-way pipe with plastic is improved.
As a preferred technical scheme of the invention, one end of the supporting rotating rod, which is close to the dismounting plate, is integrally formed with an annular sleeve, U-shaped grooves are symmetrically arranged on the annular sleeve along the circumferential direction of the annular sleeve, U-shaped clamping frames with elastic structures are arranged in the U-shaped grooves, one end of each U-shaped clamping frame is locked in each counter bore, the other end of each U-shaped clamping frame is of a trapezoidal structure, the U-shaped clamping frames on the annular sleeve can be connected in the counter bores of the dismounting plate in a buckling mode, and the supporting rotating rod can be separated from the dismounting plate by pressing down the U-shaped clamping frames.
According to a preferable technical scheme, clamping plates with arc structures are symmetrically arranged on the side faces, corresponding to the supporting vertical plate, of the stable vertical plate, clamping elastic columns are arranged on the opposite side faces of the clamping plates, the telescopic force of the clamping elastic columns is larger than that of the U-shaped clamping frame, the middle portions of the clamping elastic columns are connected with the clamping support plates in a sliding fit mode, the clamping support plates are arranged on the side faces of the stable vertical plate, when the spraying machine moves to the left end of the three-way pipe, one end of the trapezoid structure of the U-shaped clamping frame can move to the opposite end of the clamping plate, the clamping plate can press down the U-shaped clamping frame under the action of the clamping elastic columns, the supporting rotating rod is separated from the disassembling plate, the clamping plate can be clamped on the outer side face of the annular sleeve, and the supporting rotating rod cannot move out of the clamping plate when the multi.
As a preferred technical scheme of the invention, the locking frame comprises a locking transverse plate with a T-shaped structure and three arc plates, wherein one arc plate is arranged on the end face of the locking transverse plate, a joint rubber pad is arranged on the side face of each arc plate, two arc plates of the transverse section of the locking frame can be clamped on the transverse section of the three-way pipe, two arc plates of the longitudinal section of the locking frame can be clamped on the longitudinal section of the three-way pipe, the arrangement of the locking frame enables the axis of the longitudinal section of the three-way pipe to be intersected with the axis of the adjusting rotary column, and therefore when the adjusting rotary column rotates ninety degrees, the axis of the longitudinal section of the three-way pipe can correspond to the axis of the multistage cylinder.
The invention has the beneficial effects that:
the three-way pipe lining plastic machine can lock the three-way pipe according to the structure of the three-way pipe and perform lining plastic treatment on the inner side surface of the three-way pipe, can adjust according to the thickness of lining plastic, can automatically stop lining plastic when a spraying machine moves to a communicating part in the middle of the three-way pipe, and prevents plastic from being sprayed to the outer side of the three-way pipe, and can rotate the three-way pipe by ninety degrees after the transverse section of the three-way pipe is lined with plastic, so that the transverse section and the longitudinal section of the three-way pipe can perform lining plastic action at one time;
the position of the spraying machine can be adjusted by rotating the adjusting bolt, the sealing block can be compressed when moving into the three-way pipe along with the spraying machine, so that the inclined surface of the trapezoidal structure of the sealing block moves to the inner wall side of the spraying groove, and molten plastic in the spraying machine can be sprayed out of the spraying groove;
when the spraying machine moves to the communicating part in the middle of the three-way pipe, the sealing block can be separated from the three-way pipe, so that the sealing block moves outwards under the action of the positioning spring, the spraying machine is blocked by the sealing block again, and when the sealing block is contacted with the three-way pipe, the sealing block can be contracted and plastic lining is carried out;
the support rotating rod can support the rotating support, so that the spraying machine cannot shake, when the spraying machine moves to the left end of the three-way pipe, one end of the trapezoidal structure of the U-shaped clamping frame can move to the opposite end of the clamping plate, and the support rotating rod is separated from the disassembling plate;
the clamping elastic column is pulled outwards to enable the clamping block to be moved out of the triangular groove, the control adjusting rotary column can rotate ninety degrees, the clamping block can be locked in the triangular groove again after external force is removed, and the locking frame can rotate ninety degrees accurately through the arrangement, so that the plastic lining precision of the transverse section and the longitudinal section of the three-way pipe is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of a first configuration of the present invention;
FIG. 3 is a second schematic structural view of the present invention;
FIG. 4 is a schematic structural view between the locking frame and the hold-down mechanism of the present invention;
FIG. 5 is a schematic structural view of the bottom plate, the supporting vertical plate, the plastic lining mechanism and the stabilizing vertical plate of the present invention;
FIG. 6 is a schematic view of the plastic-lined mechanism of the present invention with the multi-stage cylinder removed;
FIG. 7 is a cross-sectional view of the plastic-lined mechanism of the present invention with the support stem and stripper plate removed;
fig. 8 is a schematic structural view of the stable vertical plate, the supporting rotating rod, the clamping plate, the clamping elastic column and the clamping support plate.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 2-8, a steel-lined polypropylene pipe manufacturing method adopts a steel-lined polypropylene pipe manufacturing device which comprises a bottom plate 1, locking frames 2, a pressing-down mechanism 3, a supporting vertical plate 4, a plastic lining mechanism 5 and a stable vertical plate 6, wherein two locking frames 2 are distributed above the middle part of the bottom plate 1, the two locking frames 2 are arranged up and down symmetrically, the locking frame 2 close to the bottom plate 1 is arranged on the bottom plate 1 through a telescopic column 21, the pressing-down mechanism 3 is arranged at the upper end of the locking frame 2 far away from the bottom plate 1, the supporting vertical plate 4 and the stable vertical plate 6 are respectively arranged at the two ends of the bottom plate 1, the plastic lining mechanism 5 is arranged on the side surface of the supporting vertical plate 4 corresponding to the stable vertical plate 6, the invention can perform plastic lining action of polypropylene plastic in a three-way pipe, firstly, the three-way pipe is placed between the two locking frames 2, the telescopic motion of the telescopic column 21 enables the axial lead of the transverse section of the three-way pipe to correspond to the axial lead of the multistage cylinder 51, then the pressing mechanism 3 is controlled to lock the position of the three-way pipe, the plastic lining mechanism 5 can perform plastic lining action on the three-way pipe, the pressing mechanism 3 can drive the three-way pipe to rotate, the transverse section and the longitudinal section of the three-way pipe can be continuously lined with plastic, and the plastic lining precision of the three-way pipe and the forming efficiency of the pipe are improved.
The pressing mechanism 3 comprises a pressing cylinder 31 arranged at the upper end of the locking frame 2, a pressing support plate 32 is arranged at the upper end of the pressing cylinder 31, mounting support plates 33 are distributed above the pressing support plate 32, an adjusting rotary column 34 is arranged on the upper side surface of the pressing support plate 32, the upper end of the adjusting rotary column 34 penetrates through the mounting support plate 33, a triangular groove 35 is arranged on the outer side surface of the upper end of the adjusting rotary column 34, the included angle between the triangular grooves 35 is ninety degrees, the locking frame 2 can be driven by the telescopic motion of the pressing cylinder 31 to move up and down so that the locking frame 2 can be matched to lock the three-way pipe or unlock the three-way pipe, the left end and the right end of the upper side surface of the mounting support plate 33 can be arranged on an external mounting frame, the pressing mechanism 3 and the locking frame 2 far away from the bottom plate 1 can be locked in position, when the transverse section of the three-way pipe is lined with, the invention can carry out plastic lining treatment on the longitudinal section of the three-way pipe.
The side of going up of installation extension board 33 be provided with screens extension board 36, be connected with screens bullet post 37 through sliding fit's mode on the screens extension board 36, screens bullet post 37 is close to one of adjusting rotary column 34 and is served and be provided with screens piece 38, screens piece 38 is the triangle-shaped structure, and screens piece 38 locking is in the triangular groove 35, it makes screens piece 38 shift out from the triangular groove 35 through outside pulling screens bullet post 37, control is adjusted rotary column 34 and can is rotated ninety degrees, it can relocking in the triangular groove 35 to remove external force screens piece 38, this kind of setting makes the ninety degrees of rotation that locking frame 2 can be accurate, so that increase the lining of three-way pipe horizontal section and vertical section and mould the precision.
The lower extreme of flexible post 21 be provided with carousel 22, carousel 22 is connected on bottom plate 1 through friction fit's mode, when adjusting rotary column 34 and rotating, carousel 22 can cooperate the rotation, carousel 22 and bottom plate 1's friction fit make carousel 22 can not take place to rotate when no external force.
The bottom of supporting upright plate 4 be provided with T type slider 41, be provided with on the top of bottom plate 1 with T type slider 41 looks sliding fit's T type spout 11, supporting upright plate 4 keeps away from the side lower extreme of firm riser 6 and installs propelling movement cylinder 42, propelling movement cylinder 42's stiff end passes through cylinder extension board 43 and installs on the top of bottom plate 1, propelling movement cylinder 42's concertina movement can drive supporting upright plate 4 and control the position control, prevent to support upright plate 4 and hinder the rotation of three-way pipe.
The plastic lining mechanism 5 comprises a multistage cylinder 51 arranged on the side surface of the supporting vertical plate 4, a movable plate 52 is arranged at the telescopic end of the multistage cylinder 51, a rotating motor 53 is arranged on the movable plate 52 through a motor base, the axial lead of the multistage cylinder 51 corresponds to the axial lead of the multistage cylinder 51, a rotating bracket 54 is arranged on the output shaft of the rotating motor 53, a rotating groove and a rotating column which are mutually matched in a rotating way are arranged between the movable plate 52 and the rotating bracket 54, the rotating bracket 54 is of a U-shaped structure, a spraying machine 55 is arranged in the rotating bracket 54, and a square sliding block and a square sliding groove 541 which are mutually matched in a sliding way are respectively arranged on the side surface of the spraying machine 55 and the inner wall of the; the sprayer 55 can spray out the plastic inside with a certain pressure;
the end of the spraying machine 55 far away from the closed side of the rotating bracket 54 is provided with a spraying groove 56, a closed block 57 is arranged in the spraying groove 56, the end of the closed block 57 positioned at the outer side of the spraying machine 55 is of an isosceles trapezoid structure, the upper end and the lower end of the closed block 57 are both provided with a connecting plate 571, a positioning spring 58 is arranged between the connecting plate 571 and the side surface of the rotating bracket 54, the middle part of the closed end of the rotating bracket 54 is connected with an adjusting bolt 59 in a threaded fit manner, one end of the adjusting bolt 59 corresponding to the opening side of the rotating bracket 54 is arranged on the spraying machine 55 through a bearing, when the three-way pipe is locked, the multi-stage air cylinder 51 is controlled to perform extension movement and rotate in cooperation with the rotating motor 53, so that the spraying machine 55 can move to the transverse section of the three-way pipe at a constant speed, the position of the spraying machine 55 can be adjusted by rotating the, the inclined surface of the trapezoidal structure of the sealing block 57 is made to move to the inner wall side of the spraying groove 56, so that molten plastic in the spraying machine 55 can be sprayed out of the spraying groove 56, the amount of the plastic sprayed out of the spraying machine 55 can be adjusted by rotating the adjusting bolt 59 when the spraying machine 55 corresponds to the cavity position of the three-way pipe, when the spraying machine 55 moves to the communication part in the middle of the three-way pipe, the sealing block 57 can be separated from the three-way pipe, the sealing block 57 can move outwards under the action of the positioning spring 58, the spraying machine 55 is blocked by the sealing block 57 again, and when the sealing block 57 is in contact with the three-way pipe, the sealing block 57 can be contracted and plastic lining can be carried out.
The locking frame 2 comprises a locking transverse plate 23 and three arc plates 24 of a T-shaped structure, the arc plates 24 are mounted on the end face of the locking transverse plate 23, a gluing rubber pad is arranged on the side face of each arc plate 24, the two arc plates 24 of the transverse section of the locking frame 2 can be clamped on the transverse section of the three-way pipe, the two arc plates 24 of the longitudinal section of the locking frame 2 can be clamped on the longitudinal section of the three-way pipe, the axis of the longitudinal section of the three-way pipe is crossed with the axis of the adjusting rotary column 34 due to the arrangement of the locking frame 2, and therefore when the adjusting rotary column 34 rotates ninety degrees, the axis of the longitudinal section of the three-way pipe can correspond to the axis of the multistage cylinder 51.
The side face, far away from the spraying machine 55, of the sealing block 57 is an arc-shaped face, the connecting plate 571 on the sealing block 57 is of a triangular structure, the arc-shaped face of the sealing block 57 can increase the contact stability of the sealing block 57 and the inner wall of the three-way pipe, and the triangular structure of the sealing block 57 can prevent the sealing block 57 from being clamped on the three-way pipe when the spraying machine 55 moves to the communicating part in the middle of the three-way pipe.
Support the bull stick 61 and be close to the one end integrated into one piece of dismantling board 62 and have annular cover 64, it is provided with U type groove 65 along its circumference symmetry on the annular cover 64, be provided with elastic construction's U type card frame 66 in the U type groove 65, the one end locking of U type card frame 66 is in counter bore 63, the other end of U type card frame 66 is the trapezium structure, U type card frame 66 on the annular cover 64 can be connected in the counter bore 63 of dismantling board 62 through the mode of buckle, can make support bull stick 61 and dismantling board 62 separation through pressing down U type card frame 66.
As shown in fig. 1, the method for manufacturing a steel-lined polypropylene pipe by using a steel-lined polypropylene pipe manufacturing device comprises the following steps:
s1, surface treatment of the pipe: firstly, polishing the inner side and the outer side of the three-way pipe so as to remove impurities and rust on the three-way pipe;
s2, positioning and clamping the pipe: firstly, locking a pressing mechanism 3 on an external mounting frame, placing a pipe between two locking frames 2 after polishing, enabling the axial lead of a transverse section of a three-way pipe to correspond to the axial lead of a multistage cylinder 51 through the telescopic motion of a telescopic column 21, then controlling the pressing mechanism 3 to lock the position of the three-way pipe, adjusting the left and right positions of a supporting vertical plate 4 through a pushing cylinder 42, then inserting an annular sleeve 64 on a supporting rotating rod 61 into a counter bore 63 of a dismounting plate 62, penetrating the other end of the supporting rotating rod 61 through a stable vertical plate 6, and then adjusting the supporting vertical plate 4 to an initial position;
s3, lining the pipe with plastic: after the three-way pipe is locked, the multi-stage air cylinder 51 is controlled to perform extension movement and rotate in cooperation with the rotating motor 53, so that the spraying machine 55 can move into the transverse section of the three-way pipe at a constant speed, the position of the spraying machine 55 can be adjusted by rotating the adjusting bolt 59, the sealing block 57 can be compressed when moving into the three-way pipe along with the spraying machine 55, the inclined surface of the trapezoidal structure of the sealing block 57 can move to the inner wall side of the spraying groove 56, therefore, molten plastic in the spraying machine 55 can be sprayed out of the spraying groove 56, the amount of the plastic sprayed out by the spraying machine 55 can be adjusted by rotating the adjusting bolt 59 when the spraying machine 55 corresponds to the cavity position of the three-way pipe, and the triangular structure of the sealing block 57 can prevent the sealing block 57 from being clamped on the three-way pipe when the spraying machine 55 moves;
s4, plastic lining of the pipe overall: when the spraying machine 55 moves to the left end of the three-way pipe, one end of the trapezoidal structure of the U-shaped clamping frame 66 can move to the opposite end of the clamping plate 67, the clamping plate 67 can press down the U-shaped clamping frame 66 under the action of the clamping elastic column 68, so that the supporting rotating rod 61 is separated from the disassembling plate 62, and the clamping plate 67 can be clamped on the outer side surface of the annular sleeve 64, at this time, the transverse section of the three-way pipe is lined with plastic, the multi-stage cylinder 51 is controlled and controlled to contract to the initial position, the supporting rotating rod 61 cannot move out of the clamping plate 67 when the multi-stage cylinder 51 contracts, then the clamping block 38 is moved out of the triangular groove 35 by pulling the clamping elastic column 37 outwards, the control and adjustment rotating column 34 can rotate ninety degrees, and the external force removal clamping block 38 can be locked in the triangular groove 35 again, so that the three-way pipe can be lined with the longitudinal section of.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The manufacturing method of the steel-lined polypropylene pipe adopts the following manufacturing device of the steel-lined polypropylene pipe, the manufacturing device of the steel-lined polypropylene pipe comprises a bottom plate (1), a locking frame (2), a pressing mechanism (3), a supporting vertical plate (4), a plastic lining mechanism (5) and a stable vertical plate (6), and is characterized in that: two locking frames (2) are distributed above the middle of the bottom plate (1), the two locking frames (2) are arranged in an up-down symmetrical mode, the locking frame (2) close to the bottom plate (1) is installed on the bottom plate (1) through a telescopic column (21), the upper end of the locking frame (2) far away from the bottom plate (1) is provided with a pressing mechanism (3), two ends of the bottom plate (1) are respectively provided with a supporting vertical plate (4) and a stabilizing vertical plate (6), and a plastic lining mechanism (5) is installed on the side face, corresponding to the stabilizing vertical plate (6), of the supporting vertical plate (4);
the plastic lining mechanism (5) comprises a multi-stage cylinder (51) arranged on the side face of the supporting vertical plate (4), a movable plate (52) is arranged at the telescopic end of the multi-stage cylinder (51), a rotating motor (53) is arranged on the movable plate (52) through a motor base, a rotating bracket (54) is arranged on an output shaft of the rotating motor (53), a rotating groove and a rotating column which are mutually matched in a rotating mode are arranged between the movable plate (52) and the rotating bracket (54), the rotating bracket (54) is of a U-shaped structure, a spraying machine (55) is arranged in the rotating bracket (54), and a square sliding block and a square sliding groove (541) which are mutually matched in a sliding mode are respectively arranged on the side face of the spraying machine (55) and the inner wall of;
a spraying groove (56) is formed in one end, far away from the closed side of the rotating support (54), of the spraying machine (55), a closed block (57) is arranged in the spraying groove (56), one end, located on the outer side of the spraying machine (55), of the closed block (57) is of an isosceles trapezoid structure, connecting plates (571) are arranged at the upper end and the lower end of the closed block (57), a positioning spring (58) is installed between each connecting plate (571) and the side face of the rotating support (54), the middle of the closed end of the rotating support (54) is connected with an adjusting bolt (59) in a threaded fit mode, and one end, corresponding to the opening side of the rotating support (54), of each adjusting bolt (59) is installed on the spraying machine;
the method for manufacturing the steel-lined polypropylene pipe by adopting the steel-lined polypropylene pipe manufacturing device comprises the following steps:
s1, surface treatment of the pipe: firstly, polishing the inner side and the outer side of the three-way pipe so as to remove impurities and rust on the three-way pipe;
s2, positioning and clamping the pipe: firstly, locking a pressing mechanism (3) on an external mounting frame, placing a pipe between two locking frames (2) after polishing, enabling the axial lead of a transverse section of the three-way pipe to correspond to the axial lead of a multi-stage cylinder (51) through the telescopic motion of a telescopic column (21), and then controlling the pressing mechanism (3) to lock the position of the three-way pipe;
s3, lining the pipe with plastic: after the three-way pipe is locked, the multi-stage air cylinder (51) is controlled to perform extension movement and rotate in cooperation with the rotating motor (53), so that the spraying machine (55) can move into a transverse section of the three-way pipe at a constant speed, the position of the spraying machine (55) can be adjusted by rotating the adjusting bolt (59), the sealing block (57) can be compressed when moving into the three-way pipe along with the spraying machine (55), the inclined surface of the trapezoidal structure of the sealing block (57) moves to the inner wall side of the spraying groove (56), so that molten plastic in the spraying machine (55) can be sprayed out of the spraying groove (56), and the amount of the plastic sprayed out by the spraying machine (55) can be adjusted by rotating the adjusting bolt (59) when the spraying machine (55) corresponds to the cavity position of the three-way pipe;
s4, plastic lining of the pipe overall: after the transverse section of the three-way pipe is lined with plastic, the multi-stage cylinder (51) is controlled and controlled to contract to the initial position, and then the three-way pipe is rotated by ninety degrees, so that the plastic lining treatment can be carried out on the longitudinal section of the three-way pipe.
2. The method for manufacturing a steel-lined polypropylene pipe according to claim 1, wherein: the bottom of supporting vertical plate (4) is provided with T-shaped sliding block (41), the top of bottom plate (1) is provided with T-shaped sliding groove (11) matched with T-shaped sliding block (41) in a sliding mode, the lower end of the side face, far away from stable vertical plate (6), of supporting vertical plate (4) is provided with pushing air cylinder (42), and the fixed end of pushing air cylinder (42) is installed on the top of bottom plate (1) through air cylinder support plate (43).
3. The method for manufacturing a steel-lined polypropylene pipe according to claim 1, wherein: the pressing mechanism (3) comprises a pressing cylinder (31) installed at the upper end of a locking frame (2), a pressing support plate (32) is installed at the upper end of the pressing cylinder (31), an installation support plate (33) is distributed above the pressing support plate (32), an adjusting rotary column (34) is arranged on the upper side face of the pressing support plate (32), the upper end of the adjusting rotary column (34) penetrates through the installation support plate (33), a triangular groove (35) is formed in the outer side face of the upper end of the adjusting rotary column (34), and an included angle between the triangular grooves (35) is ninety degrees.
4. A method of manufacturing a steel-lined polypropylene pipe according to claim 3, wherein: the side of going up of installation extension board (33) be provided with screens extension board (36), be connected with screens bullet post (37) through sliding fit's mode on screens extension board (36), screens bullet post (37) are close to one of adjusting rotary column (34) and are served and be provided with screens piece (38), screens piece (38) are the triangle-shaped structure, and screens piece (38) locking in triangular groove (35).
5. The method for manufacturing a steel-lined polypropylene pipe according to claim 1, wherein: the lower end of the telescopic column (21) is provided with a rotary table (22), and the rotary table (22) is connected to the bottom plate (1) in a friction fit mode.
6. The method for manufacturing a steel-lined polypropylene pipe according to claim 1, wherein: the side face, far away from the spraying machine (55), of the sealing block (57) is an arc-shaped face, and the connecting plate (571) on the sealing block (57) is of a triangular structure.
7. The method for manufacturing a steel-lined polypropylene pipe according to claim 1, wherein: firm riser (6) on be connected with support bull stick (61) through sliding fit's mode, support bull stick (61) and extend to rotating support (54), rotating support (54) are provided with on corresponding the position of supporting bull stick (61) through the bolt dismantlement board (62), are provided with counter bore (63) on dismantlement board (62), support bull stick (61) and connect in counter bore (63).
8. The method for manufacturing a steel-lined polypropylene pipe according to claim 6, wherein: support bull stick (61) one end integrated into one piece near dismantlement board (62) have annular cover (64), along its circumference symmetry on annular cover (64) be provided with U type groove (65), be provided with elastic construction's U type card frame (66) in U type groove (65), the one end locking of U type card frame (66) is in counter bore (63), the other end of U type card frame (66) is the trapezium structure.
9. The method for manufacturing a steel-lined polypropylene pipe according to claim 6, wherein: the side face of the stable vertical plate (6) corresponding to the supporting vertical plate (4) is symmetrically provided with clamping plates (67) of arc structures, the opposite side faces of the clamping plates (67) are provided with clamping spring columns (68), the middle parts of the clamping spring columns (68) are connected with clamping support plates (69) in a sliding fit mode, and the clamping support plates (69) are installed on the side faces of the stable vertical plate (6).
10. A method of manufacturing a steel-lined polypropylene pipe according to any one of claims 1 to 9, wherein: the locking frame (2) comprises a locking transverse plate (23) of a T-shaped structure and three arc plates (24), the arc plates (24) are mounted on the end faces of the locking transverse plate (23), and a bonding rubber pad is arranged on the side face of each arc plate (24).
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| CN112934550B (en) | 2023-10-24 |
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Effective date of registration: 20230925 Address after: No. 113 Xinjian Street, Xishi District, Yingkou City, Liaoning Province, 115004 Applicant after: LIAONING MINGYANG PIPE INDUSTRY CO.,LTD. Address before: No. 31, Jingdong Road, Jingzhou District, Jingzhou City, Hubei Province Applicant before: Wen Xin |
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