CN212329360U - Forming mold closing device and corrugated pipe forming equipment for metal corrugated pipe with omega-shaped section - Google Patents
Forming mold closing device and corrugated pipe forming equipment for metal corrugated pipe with omega-shaped section Download PDFInfo
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- CN212329360U CN212329360U CN202020965378.6U CN202020965378U CN212329360U CN 212329360 U CN212329360 U CN 212329360U CN 202020965378 U CN202020965378 U CN 202020965378U CN 212329360 U CN212329360 U CN 212329360U
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Abstract
The utility model discloses a forming mold closing device and a corrugated pipe forming device for a metal corrugated pipe with an omega-shaped section, and discloses a forming device, wherein the forming mold closing device for the metal corrugated pipe with the omega-shaped section comprises a left half-wave mold closing component, a right half-wave mold closing component and a mold closing motion structure; the mold closing movement structure includes: a radial mold clamping drive device; the first sliding die is connected with a moving end of the radial die assembly driving device; a left-right mold clamping driving device connected to the first sliding mold; the moving end of the left and right die assembly driving device drives the second sliding die to move along the left and right direction; pressing a semicircular hole; and the corrugated half groove is arranged on the end surface of the pressure pipe semicircular hole. The corrugated forming groove formed by one corrugation is separated into two corrugated half grooves, and the two corrugated half grooves can be kept away from the corrugations from the two sides of the corrugation after being processed and formed, so that the clamping is avoided from being clamped at the corrugated sunken positions, the forming die can be automatically taken down, and the clamping is more convenient.
Description
Technical Field
The utility model relates to a corrugated metal pipe production technical field, in particular to corrugated metal pipe's in omega type cross-section shaping MOLD CLAMPING APPARATUS and bellows former.
Background
The metal corrugated pipe has good flexibility, is used as a sensitive element, a damping element, a compensation element, a sealing element, a valve element and a pipeline connecting piece, and is widely applied to the fields of automatic control and measuring instruments, vacuum technology, mechanical industry, electric power industry, transportation, atomic energy industry and the like.
A plurality of annular ripples are arranged at intervals on the outer side of the metal corrugated pipe, the metal corrugated pipe has various types according to different cross-sectional shapes of the ripples, and the cross section of one type of the metal corrugated pipe is in an omega shape. At present, a forming die adopted by the corrugated pipe with the omega-shaped section is a tight hoop strip, a plurality of tight hoop strips are surrounded at intervals on the outer side of a straight pipe blank, then high-pressure liquid is filled into a pipe blank, and the pipe between the two tight hoop strips is outwards deformed under the pressure of the high-pressure liquid, so that a plurality of corrugations are formed on the pipe blank at one time, and the corrugated pipe with the omega-shaped section is formed.
The forming die adopting the tightening strip needs to alternately tighten the tightening strips on the tube blank before processing, and the tightening strips need to be taken down after forming, but because a gap with the width of wide-narrow-wide is formed between the two omega-shaped corrugations in the axial direction from the position close to the corrugated pipe to the position far away from the corrugated pipe, the tightening strip is clamped at the concave part between the two omega-shaped corrugations and cannot be directly taken down in the radial direction, the tightening strip is inconvenient to be disassembled, and the time spent on clamping is long. In addition, the corrugated pipe with fixed corrugation number can be produced only by clamping the forming die of the tightening strip at one time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a forming mold closing device of corrugated metal pipe of omega type cross-section.
The utility model discloses still provide a bellows former of forming mold closing device of the corrugated metal pipe who has above-mentioned omega type cross-section.
According to the utility model discloses a forming mold closing device of the metal bellows of omega type cross-section of embodiment, including left half-wave compound die subassembly and right half-wave compound die subassembly that set up about, forming mold closing device still includes the compound die motion structure;
the mold closing movement structure includes:
the moving direction of the moving end of the radial die assembly driving device is vertical to the left and right directions;
the first sliding die is connected with a moving end of the radial die assembly driving device;
the left-right die assembly driving device is connected to the first sliding die, and the moving direction of the moving end of the left-right die assembly driving device is the left-right direction;
the second sliding die is in transmission connection with the moving ends of the left and right die closing driving devices, and the moving ends of the left and right die closing driving devices drive the second sliding die to move along the left and right directions;
the pressure pipe semicircular hole is formed in the second sliding die, and the axis of the pressure pipe semicircular hole is arranged along the left-right direction;
the corrugated half groove is arranged on the end surface of the pressure pipe semicircular hole;
the left half-wave die assembly component comprises two die assembly moving structures, moving ends of radial die assembly driving devices of the two die assembly moving structures move oppositely, a pressure pipe semicircular hole in each of the two die assembly moving structures is called a left pressure pipe semicircular hole, the two left pressure pipe semicircular holes form a left pressure pipe circular hole, a ripple semicircular groove in each of the two die assembly moving structures is called a left ripple semicircular groove, and the two left ripple semicircular grooves face the right side;
the right half-wave die assembly component comprises two die assembly moving structures, moving ends of radial die assembly driving devices of the two die assembly moving structures move oppositely, a pressure pipe semicircular hole in each of the two die assembly moving structures is called a right pressure pipe semicircular hole, the two right pressure pipe semicircular holes form a right pressure pipe circular hole, a ripple semicircular groove in each of the two die assembly moving structures is called a right ripple semicircular groove, and the two right ripple semicircular grooves face the left side;
the left half corrugation groove and the right half corrugation groove are arranged oppositely, and the left half corrugation groove and the right half corrugation groove form a corrugation forming groove.
According to the utility model discloses forming mold closing device of corrugated metal pipe of omega type cross-section has following beneficial effect at least: when the die is closed, a pipe blank to be processed is placed in the left-right direction, the radial die closing driving device drives the first sliding die and the second sliding die to move in the radial direction of the pipe blank, the corresponding two pipe pressing semi-circular holes are close to the pipe blank to be closed, the pipe pressing circular holes are formed and pressed on the outer wall of the pipe blank, the left-right die closing driving device drives the second sliding die to slide left and right, and the left ripple half groove and the right ripple half groove are close to each other to be closed to form a ripple forming groove; during processing, the pipe blank is convexly deformed towards the ripple forming groove under the action of high-pressure liquid in the pipe blank, and is formed into ripples with omega-shaped sections; after the machining, under the driving of the left and right die closing driving devices, the left ripple half groove and the right ripple half groove move away from each other, so that the left ripple half groove and the right ripple half groove are away from ripples in the left and right directions, the ripples do not block the second sliding die to be separated from the radial direction, and then the corrugated pipe can be kept away from by the second sliding die under the driving of the radial die closing driving devices. In this technique, become the ripple shaping groove of a ripple shaping and separate into half groove of left ripple and half groove of right ripple to two ripple half grooves can be after the machine-shaping, keep away from the ripple left and right sides, avoid the card at corrugated sunk position, can realize taking off forming die voluntarily, replace the shaping of current tight hoop, make the clamping more convenient.
According to some embodiments of the present invention, the left and right mold closing driving device comprises at least one sliding shaft disposed on the first sliding mold, an axis of the sliding shaft is perpendicular to a moving direction and a transverse direction of the radial mold closing driving device, and a left and right mold closing chute is disposed on the second sliding mold; the direction in which the two first sliding dies approach each other is called a radial die assembly direction, and the direction in which the second sliding die in the left half-wave die assembly and the second sliding die in the right half-wave die assembly approach each other is called a left-right die assembly direction; the left and right die closing chutes are obliquely extended in the radial die closing direction in a direction opposite to the left and right die closing direction, and the sliding shaft is connected with the left and right die closing chutes in a sliding manner.
When the die is separated, the corrugated bellows is radially kept away from the first sliding die, the second sliding die is limited by the sunken positions of the corrugations to be radially kept away from the bellows, the second sliding die can be kept away from the newly formed corrugations in the left-right direction, and when the sliding shaft slides to one side, away from the tube blank, of the left-right die closing sliding groove, the second sliding die is also radially moved away from the bellows along with the first sliding die. The sliding shaft and the left and right die closing chutes are arranged, so that the second sliding die can be driven to slide along the radial direction and the left and right direction by using one radial die closing driving device.
According to some embodiments of the invention, the sliding shaft is provided with at least two, at least two the sliding shaft is in the interval sets up in radial compound die direction.
In the process of liquid injection molding, the tube blank material deforms to enable the second sliding die to be stressed in the left-right direction, at least two sliding shafts are arranged at intervals in the radial mold closing direction, the second sliding die is enabled to be stressed at least at two points in the radial direction of the corrugated pipe, the second sliding die is enabled not to incline, and the shape of the corrugated molding groove can be kept.
According to the utility model discloses a some embodiments, follow on the compound die spout about the front end of radial compound die direction is equipped with first spout, first spout is followed radial compound die direction cisoid extends.
In the die closing process, after the sliding shaft reaches the front ends of the left and right die closing chutes, the sliding shaft continues to enter the first chute, and the tail end of the first chute is pressed to press the second sliding die, so that the lateral wall of the first chute extending along the radial direction of the corrugated pipe is stressed in the left and right direction, the tail end of the first chute is stressed in the radial direction, the contact stress point is increased, and the service life is prolonged.
According to the utility model discloses a some embodiments, orientation on the first sliding die the side of second sliding die is called first side, be equipped with the atress boss on the first side, the atress boss with first side is equipped with first difference in height, it is in to control the compound die spout about the difference in height of compound die direction is the second difference in height, first difference in height with the second difference in height is the same, be equipped with on the second sliding die can with the atress butt face of atress boss butt, atress butt face orientation first side, the atress butt face makes when the sliding shaft is located when controlling the compound die spout the atress boss is kept away from the atress butt face to make when the sliding shaft is located when first spout the atress boss butt in on the atress butt face.
Before the die assembly, the stress reinforcing block is far away from the second sliding die in the radial direction of the corrugated pipe, and the stress reinforcing block is intersected with the second sliding die in the left-right direction; when the die is assembled, after the sliding shaft enters the first sliding groove, the second sliding die and the first sliding die relatively move in the left-right direction by a first height difference, and the stress reinforcing block abuts against the second sliding die, so that the acting force point of the first sliding die on the second sliding die during molding can be increased, the strength of the second sliding die is improved, and the deformation of the second sliding die is reduced.
According to the utility model discloses a some embodiments, two radial compound die drive arrangement in the half-wave compound die subassembly of a left side set up from top to bottom, two radial compound die drive arrangement in the half-wave compound die subassembly of a right side set up from beginning to end.
Two radial die closing driving devices in the left half-wave die closing assembly compress the tube blank along the up-down direction respectively, and two radial die closing driving devices in the right half-wave die closing assembly compress the tube blank along the front-back direction respectively, so that the tube blank is pressed in multiple directions, and the deformation of the tube blank is reduced.
According to the utility model discloses a bellows former of second aspect embodiment, include according to the utility model discloses the corrugated metal pipe's of omega type cross-section shaping MOLD CLAMPING APPARATUS of above-mentioned first aspect embodiment.
According to the utility model discloses bellows former has following beneficial effect at least: by adopting the forming and die assembling device for the metal corrugated pipe with the omega-shaped section, the forming die can be automatically taken down, the existing tightening strap is replaced, and the clamping is more convenient.
According to some embodiments of the present invention, the mold comprises a frame, a left fixing plate and a right fixing plate are fixedly connected to the frame, the left fixing plate and the right fixing plate are arranged at a left-right interval, the radial mold closing driving device in the right half-wave mold closing assembly is fixedly connected to the right fixing plate, the left fixing plate is fixedly connected to a mold pushing linear driving device arranged along the left-right direction, the moving end of the mold pushing linear driving device is connected to a push plate, the push plate is arranged between the left fixing plate and the right fixing plate, the radial mold closing driving device in the right half-wave mold closing assembly is fixedly connected to the push plate, the frame is further provided with a liquid injection device, the liquid injection device comprises a liquid injection fixing plate fixedly connected to the frame, the liquid injection fixing plate is arranged at the left side of the left fixing plate, the liquid injection fixing plate is connected to a mandrel linear driving device arranged along, the utility model discloses a liquid injection device, including dabber linear drive device, dabber, pipe round hole, liquid outlet, dabber linear drive device, dabber and pipe round hole coaxial setting, the inboard of dabber is equipped with annotates the liquid passageway, the left end of dabber with dabber linear drive device's motion end is connected, the right-hand member of dabber is equipped with out the liquid piece, be equipped with the liquid outlet of radial setting on the liquid piece, the liquid outlet is located the ripple half-groove of left side half-wave compound die subassembly with between the ripple half-groove of right side half-wave compound die subassembly, be equipped with two sealing washers, two in the periphery of going out the liquid piece the.
The pipe blank is sleeved on the liquid outlet block, the inner wall of the pipe blank is connected with the two sealing rings in an interference fit mode, the second sliding die in the left half-wave die assembly and the second sliding die in the right half-wave die assembly press the pipe blank respectively, then high-pressure liquid is injected into one end of the mandrel from the liquid injection channel, the high-pressure liquid is sprayed out from the liquid outlet, materials between the two sealing rings deform outwards under the action force of the high-pressure liquid, meanwhile, the left half-wave die assembly is driven to move leftwards by the die pushing linear driving device, the left part of the pipe blank is pushed rightwards, and a ripple half groove in the left half-wave die assembly is drawn towards a ripple half groove in the right half-wave die assembly to form a ripple forming groove, so that. After a ripple is formed, the second sliding die is loosened, the mandrel linear driving device drives the mandrel to move forward by a ripple distance, the tube blank also moves forward by a ripple distance under the driving of the sealing ring, then the second sliding die presses the tube blank again, the mandrel linear driving device drives the mandrel to move backward to the next ripple forming position, the next ripple forming is carried out, a plurality of ripples can be continuously processed by manually clamping the tube blank once, and the production efficiency is improved.
The utility model is used for the production of metal bellows.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
Fig. 1 is a schematic structural diagram of a left half-wave mold closing assembly in a right view during mold closing according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a left half-wave mold closing assembly viewed from the right when the mold is separated according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a right side view of an upper half part of a left half-wave mold closing assembly according to an embodiment of the present invention;
fig. 4 is a partial view of the left and right half-mold clamping assemblies of the embodiment of the present invention, viewed from a-a in fig. 3;
fig. 5 is a schematic structural diagram of the left half-wave die assembly and the right half-wave die assembly pressing against the pipe blank when the left half-wave die assembly and the right half-wave die assembly are separated from each other;
fig. 6 is a schematic structural diagram of the left half-wave die assembly and the right half-wave die assembly of the embodiment of the present invention when pressing against the pipe blank during left and right die assembly;
fig. 7 is a schematic structural diagram of the left half-wave mold clamping assembly and the right half-wave mold clamping assembly after the liquid injection molding is completed and the radial mold clamping driving device retracts;
fig. 8 is a schematic structural diagram of a bellows forming apparatus according to an embodiment of the present invention.
In the drawings: 101-left half-wave die assembly, 102-radial die assembly driving device, 103-first sliding die, 104-second sliding die, 105-pressure pipe semicircular hole, 106-ripple half groove, 107-sliding shaft, 108-left and right die assembly sliding groove, 109-first sliding groove, 110-stress abutting surface, 111-stress reinforcing block, 201-right half-wave die assembly, 301-frame, 302-left fixing plate, 303-right fixing plate, 304-push die linear driving device, 305-push plate, 306-liquid injection fixing plate, 307-mandrel linear driving device, 308-mandrel, 309-liquid injection channel, 310-liquid outlet block, 311-liquid outlet, 312-sealing ring and 401-corrugated pipe.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly defined, words such as set forth, connected, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the words in the present invention by combining the specific contents of the technical solutions.
A forming mold clamping apparatus for a metal bellows having an Ω -shaped cross section according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 to 7.
The molding and die assembly device of the metal corrugated pipe with the omega-shaped section comprises a left half-wave die assembly 101 and a right half-wave die assembly 201 which are arranged on the left and the right; the molding and die assembly device also comprises a die assembly movement structure;
the mold closing movement structure includes:
a radial mold closing driving device 102, wherein the moving direction of the moving end of the radial mold closing driving device 102 is vertical to the left-right direction;
a first sliding die 103 connected to a moving end of the radial mold clamping drive unit 102;
a left-right mold clamping driving device connected to the first sliding die 103, wherein the moving direction of the moving end of the left-right mold clamping driving device is the left-right direction;
the second sliding die 104 is in transmission connection with the moving end of the left and right die closing driving device, and the moving end of the left and right die closing driving device drives the second sliding die 104 to move along the left and right direction;
a pipe pressing semicircular hole 105 provided on the second sliding die 104, an axis of the pipe pressing semicircular hole 105 being provided in the left-right direction;
a corrugated half groove 106 provided on an end surface of the pressure pipe semicircular hole 105;
the left half-wave die assembly component 101 comprises two die assembly moving structures, moving ends of radial die assembly driving devices 102 of the two die assembly moving structures move oppositely, a pressure pipe semicircular hole 105 in the two die assembly moving structures is called a left pressure pipe semicircular hole, the two left pressure pipe semicircular holes form a left pressure pipe circular hole, a ripple half groove 106 in the two die assembly moving structures is called a left ripple half groove, and the two left ripple half grooves face the right side;
the right half-wave die assembly component 201 comprises two die assembly moving structures, the moving ends of the radial die assembly driving devices 102 of the two die assembly moving structures move oppositely, a pressure pipe semicircular hole 105 in the two die assembly moving structures is called a right pressure pipe semicircular hole, the two right pressure pipe semicircular holes form a right pressure pipe circular hole, a ripple semi-groove 106 in the two die assembly moving structures is called a right ripple semi-groove, and the two right ripple semi-grooves face the left side;
the left ripple half groove and the right ripple half groove are arranged oppositely, and the left ripple half groove and the right ripple half groove form a ripple forming groove.
When the die is closed, a pipe blank to be processed is placed along the left-right direction, the two radial die closing driving devices 102 which move oppositely drive the first sliding die 103 and the second sliding die 104 to move along the radial direction of the pipe blank, the two pipe pressing semicircular holes 105 are close to the pipe blank for die closing, the pipe pressing circular holes are formed and pressed on the outer wall of the pipe blank, the left-right die closing driving devices drive the second sliding die 104 to slide left and right, a left ripple semi-groove in the left half-wave die closing assembly 101 and a right ripple semi-groove in the right half-wave die closing assembly 201 are close to each other for die closing, a ripple forming groove is formed, and the ripple forming groove adapts to the ripple shape; during processing, the pipe blank is convexly deformed towards the ripple forming groove under the action of high-pressure liquid in the pipe blank, and is formed into ripples with omega-shaped sections; after processing, under the driving of the left and right mold closing driving devices, the left ripple half groove in the left half-mold closing assembly 101 and the right ripple half groove in the right half-mold closing assembly 201 are away from each other, so that the left ripple half groove and the right ripple half groove are away from ripples in the left and right directions, the ripples do not obstruct the second sliding mold 104 from coming off from the radial direction, and then the second sliding mold 104 can be away from the corrugated pipe 401 under the driving of the radial mold closing driving device 102. A space exists between two adjacent corrugations, and the minimum width of the space is greater than the wall thickness at the side of the corrugation half-groove 106 plus the height difference of the concave position of the corrugation, so that the corrugation half-groove 106 can be withdrawn from the corrugation. In this technique, become two ripple half grooves 106 to the fashioned ripple shaping groove separation of a ripple to two ripple half grooves 106 can be after the machine-shaping, keep away from the ripple from corrugated both sides, avoid the card in corrugated sunken position, can realize taking off forming die voluntarily, replace current tight hoop, make the clamping more convenient.
In some embodiments of the present invention, the left and right mold closing driving device includes at least one sliding shaft 107 disposed on the first sliding mold 103, an axis of the sliding shaft 107 is perpendicular to a moving direction and a transverse direction of the radial mold closing driving device 102, and the second sliding mold 104 is provided with a left and right mold closing chute 108; a direction in which the two first sliding dies 103 approach each other is referred to as a radial mold-clamping direction, and a direction in which the second sliding die 104 in the left half-mold-clamping assembly 101 and the second sliding die 104 in the right half-mold-clamping assembly 201 approach each other is referred to as a left-right mold-clamping direction; the left and right mold clamping chutes 108 are provided to extend obliquely in the radial mold clamping direction in the reverse left and right mold clamping direction, and the slide shaft 107 is slidably connected to the left and right mold clamping chutes 108.
At the start of the mold closing movement, the slide shaft 107 is located on the side of the left and right mold closing chutes 108 away from the blank tube, and the first slide mold 103 and the second slide mold 104 are located at positions relatively distant in the radial mold closing direction; when the pipe pressing semicircular hole 105 is pressed to the pipe wall, the second sliding die 104 is fixed in the radial direction; as the first sliding die 103 continues to move closer to the second sliding die 104, the sliding shaft 107 slides in the left and right mold clamping chutes 108, the second sliding die 104 in the left half-mold clamping assembly 101 slides rightward, and the second sliding die 104 in the right half-mold clamping assembly 201 slides leftward, so that the bellows half groove 106 in the left half-mold clamping assembly 101 and the bellows half groove 106 in the right half-mold clamping assembly 201 approach each other and are clamped, thereby forming a bellows molding groove. During the mold splitting movement, as the first sliding mold 103 is radially away from the corrugated pipe 401, the second sliding mold 104 is restricted from radially away from the corrugated pipe 401 by the recessed position of the corrugations, the second sliding mold 104 is left and right away from the corrugations just formed, and when the sliding shaft 107 slides to the side of the left and right mold closing chutes 108 away from the pipe blank, the second sliding mold 104 also radially moves away from the corrugated pipe 401 along with the first sliding mold 103. The slide shaft 107 and the left and right mold clamping chutes 108 are provided so that the second sliding mold 104 can be driven to slide in the radial direction and in the left and right direction by one radial mold clamping driving device 102. In addition, since the first sliding die 103 does not press the second sliding die 104 during the sliding of the second sliding die 104, the pipe wall is not pressed when the second sliding die 104 slides, the sliding resistance is small, and only after the die closing operation is completed, the sliding shaft 107 presses the end portions of the left and right die closing chutes 108 downward.
In some embodiments of the present invention, at least two sliding shafts 107 are provided, and at least two sliding shafts 107 are spaced apart in the radial molding direction. In the injection molding process, the second slide die 104 is subjected to a force in the left-right direction due to the deformation of the material tube blank, at least two slide shafts 107 are arranged at intervals in the radial mold clamping direction, so that the second slide die 104 is subjected to at least two points of force points in the radial direction of the corrugated tube 401, the second slide die 104 is prevented from tilting, and the shape of the corrugated molding groove can be maintained.
In some embodiments of the present invention, the left and right mold clamping chutes 108 are provided with first chutes 109 at the front ends along the radial mold clamping direction, and the first chutes 109 extend in the forward direction along the radial mold clamping direction. If the slide shaft 107 is located at the front end of the left and right mold clamping chutes 108 during injection molding, the slide shaft 107 and the left and right mold clamping chutes 108 generate forces in the radial direction as well as the forces in the left and right directions, and the contact points between the left and right mold clamping chutes 108 and the slide shaft 107 are subjected to large forces. In this embodiment, in the mold closing process, after the sliding shaft 107 reaches the front end of the left and right mold closing chutes 108, the sliding shaft 107 continues to enter the first chute 109, and then the end of the first chute 109 is pressed to press the second sliding mold 104, so that the side wall of the first chute 109 extending in the radial direction of the bellows 401 is subjected to the left and right force, and the end of the first chute 109 is subjected to the radial force, thereby increasing the contact force point and prolonging the service life.
In some embodiments of the present invention, a side of the first sliding die 103 facing the second sliding die 104 is called a first side, the first side is provided with a stress reinforcement 111, the stress reinforcement 111 is provided with a first height difference with the first side, a height difference of the left and right mold closing chutes 108 in the left and right mold closing direction is a second height difference, the first height difference is the same as the second height difference, the second sliding die 104 is provided with a stress abutting surface 110 capable of abutting against the stress reinforcement 111, the stress abutting surface 110 faces the first side, the stress abutting surface 110 enables the stress reinforcement 111 to be away from the stress abutting surface 110 when the sliding shaft 107 is located in the left and right mold closing chutes 108, and the stress reinforcement 111 abuts against the stress abutting surface 110 when the sliding shaft 107 is located in the first chute 109.
Before mold closing, the force receiving reinforcing block 111 is away from the second sliding mold 104 in the radial direction of the corrugated tube 401, and the force receiving reinforcing block 111 intersects with the second sliding mold 104 in the left-right direction; when the mold is closed, after the slide shaft 107 enters the first chute 109, the second slide die 104 and the first slide die 103 move relatively in the left-right direction by the first height difference, and the force receiving reinforcing block 111 abuts against the second slide die 104, so that the force point of the first slide die 103 on the second slide die 104 during molding can be increased, the strength of the second slide die 104 can be improved, and the deformation of the second slide die 104 can be reduced.
In some embodiments of the present invention, the two radial mold clamping driving devices 102 in the left half-wave mold clamping assembly 101 are disposed up and down, and the two radial mold clamping driving devices 102 in the right half-wave mold clamping assembly 201 are disposed back and forth. The two radial mold closing driving devices 102 in the left half-wave mold closing assembly 101 respectively press the tube blank along the up-down direction, and the two radial mold closing driving devices 102 in the right half-wave mold closing assembly 201 respectively press the tube blank along the front-back direction, so that the tube blank is pressed in multiple directions, and the deformation of the tube blank is reduced.
According to the utility model discloses bellows 401 former of second aspect embodiment, include according to the utility model discloses the shaping MOLD CLAMPING APPARATUS of the corrugated metal pipe of omega type cross-section of above-mentioned first aspect embodiment.
According to the utility model discloses former, through the shaping MOLD CLAMPING APPARATUS who adopts the corrugated metal pipe of foretell omega type cross-section, can realize automatic take off forming die, replace current tight hoop, make the clamping more convenient.
In some embodiments of the present invention, referring to fig. 8, the present invention further comprises a frame 301, a left fixing plate 302 and a right fixing plate 303 are fixedly connected to the frame 301, the left fixing plate 302 and the right fixing plate 303 are arranged at a left-right interval, the radial mold clamping driving device 102 in the right half-wave mold clamping assembly 201 is fixedly connected to the right fixing plate 303, the left fixing plate 302 is fixedly connected to a mold pushing linear driving device 304 arranged along the left-right direction, the moving end of the mold pushing linear driving device 304 is connected to a push plate 305, the push plate 305 is arranged between the left fixing plate 302 and the right fixing plate 303, the radial mold clamping driving device 102 in the right half-wave mold clamping assembly 201 is fixedly connected to the push plate 305, the frame 301 is further provided with a liquid injecting device, the liquid injecting device comprises a liquid injecting fixing plate 306 fixedly connected to the frame 301, the liquid injecting fixing plate 306 is arranged at the left, the movement end of the mandrel linear driving device 307 is connected with a mandrel 308 arranged along the left-right direction, the mandrel 308 and the pressure pipe circular hole are coaxially arranged, the inner side of the mandrel 308 is provided with a liquid injection channel 309, the left end of the mandrel 308 is connected with the movement end of the mandrel linear driving device 307, the right end of the mandrel 308 is provided with a liquid outlet block 310, the liquid outlet block 310 is provided with a liquid outlet 311 arranged in the radial direction, the liquid outlet 311 is arranged between the ripple half groove 106 of the left half-wave die assembly 101 and the ripple half groove 106 of the right half-wave die assembly 201, the periphery of the liquid outlet block 310 is provided with two sealing rings 312, and the two sealing rings 312 are respectively arranged on the.
The tube blank is sleeved on the liquid outlet block 310, the inner wall of the tube blank is connected with the two sealing rings 312 in an interference fit manner, the second sliding die 104 in the left half-wave die assembly 101 and the second sliding die 104 in the right half-wave die assembly 201 press the tube blank respectively, then high-pressure liquid is injected into one end of the mandrel 308 from the liquid injection channel 309 and is sprayed out from the liquid outlet 311, the material between the two sealing rings 312 deforms outwards under the action force of the high-pressure liquid, meanwhile, the left half-wave die assembly 101 is driven by the mold pushing linear driving device 304 to move leftwards, the left part of the tube blank is pushed rightwards, the corrugated half groove 106 in the left half-wave die assembly 101 is closed towards the corrugated half groove 106 in the right half-wave die assembly 201 to form a corrugated forming groove, and corrugations with omega-shaped. After a corrugation is formed, the second sliding die 104 is loosened, the mandrel linear driving device 307 drives the mandrel 308 to move forward by a corrugation distance, the tube blank is driven by the sealing ring 312 to move forward by a corrugation distance, then the second sliding die 104 presses the tube blank again, the mandrel linear driving device 307 drives the mandrel 308 to retreat to the forming position of the next corrugation, the next corrugation is formed, and therefore the plurality of corrugations can be continuously processed by manually clamping the tube blank once, and the production efficiency is improved. In addition, the die pushing linear driving device 304 pushes the tube blank material, so that the material stretching amount of a single corrugation is smaller than that of a forming method adopting a tightening band, the wall thickness at the corrugation is reduced less, and the strength at the corrugation is reduced less.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various equivalent modifications or substitutions can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention, and these equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (8)
1. A molding and die assembly device for a metal corrugated pipe with an omega-shaped section is characterized by comprising a left half-wave die assembly component and a right half-wave die assembly component which are arranged on the left and right, and the molding and die assembly device further comprises a die assembly movement structure;
the mold closing movement structure includes:
the moving direction of the moving end of the radial die assembly driving device is vertical to the left and right directions;
the first sliding die is connected with a moving end of the radial die assembly driving device;
the left-right die assembly driving device is connected to the first sliding die, and the moving direction of the moving end of the left-right die assembly driving device is the left-right direction;
the second sliding die is in transmission connection with the moving ends of the left and right die closing driving devices, and the moving ends of the left and right die closing driving devices drive the second sliding die to move along the left and right directions;
the pressure pipe semicircular hole is formed in the second sliding die, and the axis of the pressure pipe semicircular hole is arranged along the left-right direction;
the corrugated half groove is arranged on the end surface of the pressure pipe semicircular hole;
the left half-wave die assembly component comprises two die assembly moving structures, moving ends of radial die assembly driving devices of the two die assembly moving structures move oppositely, a pressure pipe semicircular hole in each of the two die assembly moving structures is called a left pressure pipe semicircular hole, the two left pressure pipe semicircular holes form a left pressure pipe circular hole, a ripple semicircular groove in each of the two die assembly moving structures is called a left ripple semicircular groove, and the two left ripple semicircular grooves face the right side;
the right half-wave die assembly component comprises two die assembly moving structures, moving ends of radial die assembly driving devices of the two die assembly moving structures move oppositely, a pressure pipe semicircular hole in each of the two die assembly moving structures is called a right pressure pipe semicircular hole, the two right pressure pipe semicircular holes form a right pressure pipe circular hole, a ripple semicircular groove in each of the two die assembly moving structures is called a right ripple semicircular groove, and the two right ripple semicircular grooves face the left side;
the left half corrugation groove and the right half corrugation groove are arranged oppositely, and the left half corrugation groove and the right half corrugation groove form a corrugation forming groove.
2. A forming and clamping device for a metal corrugated pipe with an omega-shaped cross section as claimed in claim 1, wherein the left and right clamping driving device comprises at least one sliding shaft arranged on the first sliding die, the axis of the sliding shaft is perpendicular to the moving direction and the left and right direction of the radial clamping driving device, and a left and right clamping sliding groove is arranged on the second sliding die;
the direction in which the two first sliding molds moving in opposite directions approach each other is called a radial mold closing direction, and the direction in which the second sliding mold in the left half-wave mold closing assembly and the second sliding mold in the right half-wave mold closing assembly approach each other is called a left-right mold closing direction;
the left and right die closing chutes are obliquely extended in the radial die closing direction in a direction opposite to the left and right die closing direction, and the sliding shaft is connected with the left and right die closing chutes in a sliding manner.
3. The mold clamping apparatus for molding a metal bellows having an Ω -shaped cross section as claimed in claim 2, wherein the number of said slide shafts is at least two, and at least two of said slide shafts are provided at intervals in said radial mold clamping direction.
4. A molding and clamping device for a metal bellows with an omega-shaped cross section according to claim 2, wherein a first slide groove is provided at a front end of the left and right mold clamping slide grooves along the radial mold clamping direction, and the first slide groove extends in a forward direction along the radial mold clamping direction.
5. The mold clamping device for molding a metal bellows having an Ω -shaped cross section according to claim 4, the side surface of the first sliding die facing the second sliding die is called a first side surface, the first side surface is provided with a stress reinforcing block, the stress reinforcing block and the first side surface are provided with a first height difference, the height difference of the left and right die closing chutes in the left and right die closing direction is a second height difference, the first height difference is the same as the second height difference, the second sliding die is provided with a stress abutting surface which can abut against the stress reinforcing block, the stressed abutting surface faces the first side surface, the stressed abutting surface enables the stressed reinforcing block to be far away from the stressed abutting surface when the sliding shaft is arranged on the left and right mold closing chutes, and when the sliding shaft is arranged on the first sliding chute, the stress reinforcing block is abutted against the stress abutting surface.
6. The molding and clamping device for the metal bellows with the omega-shaped section as claimed in claim 1, wherein the two radial mold clamping driving devices in the left half mold clamping assembly are arranged up and down, and the two radial mold clamping driving devices in the right half mold clamping assembly are arranged in front and back.
7. A corrugated pipe molding apparatus comprising a mold clamping device for a metal corrugated pipe of Ω -shaped section according to any one of claims 1 to 6.
8. The corrugated pipe forming apparatus according to claim 7, further comprising a frame, wherein the frame is fixedly connected with a left fixing plate and a right fixing plate which are arranged at a left-right interval, the radial mold closing driving device in the right half-mold closing assembly is fixedly connected to the right fixing plate, the left fixing plate is fixedly connected with a mold pushing linear driving device arranged along a left-right direction, a moving end of the mold pushing linear driving device is connected with a push plate, the push plate is arranged between the left fixing plate and the right fixing plate, the radial mold closing driving device in the right half-mold closing assembly is fixedly connected to the push plate, the frame is further provided with a liquid injection device, the liquid injection device comprises a liquid injection fixing plate fixedly connected to the frame, the liquid injection fixing plate is arranged at the left side of the left fixing plate, the liquid injection fixing plate is connected with a mandrel linear driving device arranged along the left-right direction, the utility model discloses a liquid injection device, including dabber linear drive device, dabber, pipe round hole, liquid outlet, dabber linear drive device, dabber and pipe round hole coaxial setting, the inboard of dabber is equipped with annotates the liquid passageway, the left end of dabber with dabber linear drive device's motion end is connected, the right-hand member of dabber is equipped with out the liquid piece, be equipped with the liquid outlet of radial setting on the liquid piece, the liquid outlet is located the ripple half-groove of left side half-wave compound die subassembly with between the ripple half-groove of right side half-wave compound die subassembly, be equipped with two sealing washers, two in the periphery of going out the liquid piece the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020965378.6U CN212329360U (en) | 2020-05-29 | 2020-05-29 | Forming mold closing device and corrugated pipe forming equipment for metal corrugated pipe with omega-shaped section |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020965378.6U CN212329360U (en) | 2020-05-29 | 2020-05-29 | Forming mold closing device and corrugated pipe forming equipment for metal corrugated pipe with omega-shaped section |
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| CN212329360U true CN212329360U (en) | 2021-01-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589919A (en) * | 2020-05-29 | 2020-08-28 | 佛山市南海和信福莱克思金属制品有限公司 | Forming mold closing device and corrugated pipe forming equipment for metal corrugated pipe with omega-shaped section |
| CN113634642A (en) * | 2021-10-15 | 2021-11-12 | 南通苏瑞冷暖科技发展有限公司 | Machining device for air conditioner metal corrugated pipe |
-
2020
- 2020-05-29 CN CN202020965378.6U patent/CN212329360U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589919A (en) * | 2020-05-29 | 2020-08-28 | 佛山市南海和信福莱克思金属制品有限公司 | Forming mold closing device and corrugated pipe forming equipment for metal corrugated pipe with omega-shaped section |
| CN111589919B (en) * | 2020-05-29 | 2024-05-10 | 佛山市南海和信福莱克思金属制品有限公司 | Forming mold clamping device for metal corrugated pipe with omega-shaped section and corrugated pipe forming equipment |
| CN113634642A (en) * | 2021-10-15 | 2021-11-12 | 南通苏瑞冷暖科技发展有限公司 | Machining device for air conditioner metal corrugated pipe |
| CN113634642B (en) * | 2021-10-15 | 2021-12-10 | 南通苏瑞冷暖科技发展有限公司 | Machining device for air conditioner metal corrugated pipe |
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