CN215700986U - Pipe fitting hold-down mechanism and car seat pipe fitting jump ring assembly fixture - Google Patents

Pipe fitting hold-down mechanism and car seat pipe fitting jump ring assembly fixture Download PDF

Info

Publication number
CN215700986U
CN215700986U CN202120830729.7U CN202120830729U CN215700986U CN 215700986 U CN215700986 U CN 215700986U CN 202120830729 U CN202120830729 U CN 202120830729U CN 215700986 U CN215700986 U CN 215700986U
Authority
CN
China
Prior art keywords
pipe fitting
block
expansion
pressing
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120830729.7U
Other languages
Chinese (zh)
Inventor
刘玉龙
侯敏
程彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfeng Yanfeng Automobile Seat Co ltd
Original Assignee
Dongfeng Andaotuo Automobile Seat Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongfeng Andaotuo Automobile Seat Co ltd filed Critical Dongfeng Andaotuo Automobile Seat Co ltd
Priority to CN202120830729.7U priority Critical patent/CN215700986U/en
Application granted granted Critical
Publication of CN215700986U publication Critical patent/CN215700986U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Automatic Assembly (AREA)

Abstract

The utility model relates to a pipe fitting pressing mechanism and an automobile seat pipe fitting clamp spring assembly tool, which are different in that: the device comprises a base, wherein two limiting grooves are symmetrically arranged on the left and right; the guide rod is fixed on the base and sequentially horizontally penetrates through the two limiting grooves; two expansion blocks are arranged in the limiting grooves in a one-to-one correspondence mode, the two expansion blocks are sequentially movably sleeved on the guide rod in a sleeved mode, each expansion block can move left and right in the corresponding limiting groove along the guide rod, the upper end of each expansion block is provided with a cylindrical groove matched with the pipe fitting, and the end face of one end, opposite to the other end of each expansion block, of each expansion block is constructed into an expansion face capable of abutting against the support; the wedge block is positioned between the two expansion blocks and can lift and extrude the two expansion blocks so as to adjust the distance between the two expansion blocks; and the pressing block is used for pressing the pipe fitting on the expansion block. The utility model can effectively compress the pipe fitting and avoid the pipe fitting from moving along the axial direction.

Description

Pipe fitting hold-down mechanism and car seat pipe fitting jump ring assembly fixture
Technical Field
The utility model relates to the field of automobile part assembly, in particular to a pipe fitting pressing mechanism and an automobile seat pipe fitting clamp spring assembly tool.
Background
When the automobile seat pipe fitting is riveted, in order to prevent the side plate preassembled on the pipe fitting from axially slipping off the pipe fitting, the clamp spring needs to be designed and assembled to be clamped on the pipe fitting, so that the clamp spring generates plastic deformation to fasten the side plate and the pipe fitting. When the clamp spring is assembled, the pipe fitting needs to be pressed and fixed firstly, and then the clamp spring is assembled on the pipe fitting. Because the length dimension of pipe fitting has the tolerance during manufacturing, is difficult to guarantee that the length dimension of every pipe fitting is the same completely, so pipe fitting hold-down mechanism is difficult to guarantee to fix all pipe fittings in length direction effectively, if when assembling the jump ring, fixed insecure, the pipe fitting takes place to remove along its axial, can lead to jump ring assembly difficulty, assembles not in place even, influences the product percent of pass.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a pipe fitting pressing mechanism which can effectively press a pipe fitting and prevent the pipe fitting from moving along the axial direction of the pipe fitting.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a pipe fitting hold-down mechanism, the both ends of pipe fitting are fixed with the support respectively, its difference lies in:
the device comprises a base, wherein two limiting grooves are symmetrically arranged on the left and right;
the guide rod is fixed on the base and sequentially and horizontally penetrates through the two limiting grooves;
two expansion blocks are arranged in the limiting grooves in a one-to-one correspondence mode, the two expansion blocks are sequentially movably sleeved on the guide rod in a sleeved mode, each expansion block can move left and right in the corresponding limiting groove along the guide rod, a cylindrical groove matched with the pipe fitting is formed in the upper end of each expansion block, and one end face, opposite to the two expansion blocks, of one end face is constructed into an expansion face capable of abutting against the support;
the wedge block is positioned between the two expansion blocks and can lift and extrude the two expansion blocks to adjust the distance between the two expansion blocks;
and
and the pressing block is used for pressing the pipe fitting on the expansion block.
According to the technical scheme, the two guide rods are symmetrically arranged in the front-back direction, each guide rod horizontally penetrates through the two limiting grooves in sequence, and two ends of each expansion block are sleeved on the two guide rods respectively.
According to the technical scheme, wedge-shaped surfaces are formed on the left side and the right side of each wedge-shaped block, and one surface, matched with the wedge-shaped surfaces, of each expansion block is a vertical surface.
According to the technical scheme, each wedge block is divided into three sections which are connected into a whole from top to bottom, namely an upper section, a wedge section and a lower section, the left side surface and the right side surface of the upper section and the lower section are vertical surfaces, the width of the upper section is smaller than that of the lower section, and the left side surface and the right side surface of the wedge section are wedge surfaces.
According to above technical scheme, it still includes the tight cylinder that expands, the cylinder body of the tight cylinder that expands with the base is fixed, the piston rod of the tight cylinder that expands is fixed in wedge lower extreme is in order to drive the wedge goes up and down.
According to the technical scheme, the pressing block is rotatably connected with the base, a profiling portion matched with the pipe fitting is formed at the front end of the pressing block, the mechanism further comprises a pressing cylinder, a cylinder body of the pressing cylinder is rotatably connected with the base, and a piston rod of the pressing cylinder is connected to the rear end of the pressing block to drive the pressing block to rotate up and down to loosen or press the pipe fitting.
According to above technical scheme, the compact heap have two, and with the tight piece one-to-one setting that expands, the rear end of two compact heaps is passed through the connecting rod and is linked into an organic whole, rotationally the cover is equipped with the connecting block on the connecting rod, compress tightly the upper end of cylinder piston rod with the connecting block is fixed.
Compared with the prior art, the utility model has the beneficial characteristics that: this pipe fitting hold-down mechanism places the pipe fitting back on two bloated tight pieces, makes the wedge stretch into between two bloated tight pieces, under the effect of wedge, two bloated tight pieces move along guide arm mutually oppositely respectively until two bloated tight pieces support tightly with the support on the pipe fitting respectively, can compress tightly the pipe fitting effectively, avoid the pipe fitting along its axial displacement.
In order to solve the technical problems, the utility model also provides an assembly tool for the clamp spring of the automobile seat pipe fitting, which is different in that: the clamping spring assembling mechanism comprises any one of the pipe fitting pressing mechanisms and two clamping spring assembling mechanisms symmetrically arranged at the left end and the right end of the pipe fitting pressing mechanism.
According to the technical scheme, each clamp spring assembling mechanism comprises a horizontal sliding rail extending leftwards and rightwards;
a movable seat which can slide left and right to approach or depart from the pipe fitting;
the propulsion cylinder is used for driving the movable seat to slide;
the movable block is arranged on the movable seat and can slide up and down;
the lifting cylinder is used for driving the movable block to slide;
and
the push heads are arranged on the movable block at intervals, the axes of the push heads extend left and right and are located in the same vertical plane, the front ends of the push heads are respectively provided with jacks matched with the pipe fittings, the front end faces of the push heads are respectively constructed into a profile surface profiled with the clamp springs, the push heads are respectively a push head and a correction push head, the push head is used for pushing and clamping the clamp springs to the periphery of the pipe fittings, and the correction push head is used for correcting the plastic deformation of the clamp springs.
According to the technical scheme, a core rod which is coaxial with the pushing head is fixed in the jack of the pushing head, and the periphery of the core rod and the jack hole wall of the pushing head form an annular alignment cavity matched with the pipe fitting.
Compared with the prior art, the utility model has the beneficial characteristics that: this car seat pipe fitting jump ring assembly fixture places the pipe fitting back on two bloated tight pieces of pipe fitting hold-down mechanism, makes the wedge stretch into between two bloated tight pieces, under the effect of wedge, two bloated tight pieces move along the guide arm back to back respectively until two bloated tight pieces support tightly with the support on the pipe fitting respectively, can compress tightly the pipe fitting effectively, avoid the pipe fitting along its axial displacement, the jump ring assembly mechanism of being convenient for effectively assembles the jump ring.
Drawings
FIG. 1 is a perspective view of a pipe clamping mechanism according to an embodiment of the present invention in a first state;
FIG. 2 is a top view of a first state of a tube pressing mechanism according to an embodiment of the present invention;
FIG. 3 is a left side view of a first state of a tube clamping mechanism according to an embodiment of the present invention;
FIG. 4 is a perspective view of a tube pressing mechanism according to an embodiment of the present invention in a second state;
FIG. 5 is a second state elevation view of a tube hold-down mechanism according to an embodiment of the present invention;
FIG. 6 is a top view of a second state of a tube clamping mechanism according to an embodiment of the present invention;
FIG. 7 is a left side view of a second state of a tube clamping mechanism according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of an assembly tool for a clamp spring of a pipe fitting of an automobile seat in the embodiment of the utility model;
FIG. 9 is a schematic view of the partial A structure of FIG. 8;
FIG. 10 is a schematic view of a modified push head working state of the snap spring assembling mechanism in the embodiment of the present invention;
FIG. 11 is an enlarged view of the portion B of FIG. 10;
FIG. 12 is a schematic view of a structure of a pushing head according to an embodiment of the present invention;
FIG. 13 is a cross-sectional view taken along line C-C of FIG. 12;
FIG. 14 is a schematic view of a modified pushing head according to an embodiment of the present invention;
FIG. 15 is a cross-sectional view taken along line D-D of FIG. 14;
FIG. 16 is a schematic sectional view of the assembly of the pipe, the side plate and the clamp spring according to the embodiment of the present invention, wherein the bracket is not shown;
FIG. 17 is a diagram illustrating a structure of a clamp spring according to an embodiment of the present invention;
wherein: 1-base (101-limit groove), 2-guide rod, 3-expansion block (301-cylindrical groove, 302-expansion surface, 303-matching surface), 4-wedge block (401-upper section, 402-wedge section (4021-wedge surface), 403-lower section, 404-abdicating groove), 5-pressing block (501-profiling part), 6-expansion cylinder (601-cylinder body), 7-pressing cylinder (701-cylinder body, 702-piston rod), 8-rotating shaft, 9-connecting rod, 10-connecting block, 11-horizontal sliding rail, 12-moving seat, 13-pushing cylinder (1301-cylinder body, 1302-piston rod), 14-moving block, 15-lifting cylinder (1501-cylinder body, 1502-piston rod), 16-pushing and tightening push heads (1601-jack, 1602-profiling surface, 1603-working section, 1604-connecting section, 1605-inserting section), 17-correcting push heads (1701-jack, 1702-profiling surface, 1703-working section, 1704-connecting section, 1705-inserting section), 18-vertical sliding rails, 19-inserting blocks (1901-assembling cavity, 1902-inserting groove), 20-inserting blocks (2001-assembling cavity, 2002-inserting groove), 21-core rod, 22-annular aligning cavity, 23-pipe fittings (2301-bracket), 24-side plates, 25-clamp springs (2501-non-assembling surface of clamp springs and 2502-assembling surface of clamp springs).
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
Referring to fig. 1 to 7, in the pipe pressing mechanism according to the embodiment of the present invention, two ends of the pipe are respectively fixed with the bracket. The pipe fitting pressing mechanism comprises a base 1, a guide rod 2, an expansion block 3, a wedge block 4 and a pressing block 5. Two communicated limiting grooves 101 are symmetrically arranged on the left and the right of the base 1. The guide rod 2 is fixed on the base 1 and sequentially horizontally penetrates through the two limiting grooves 101. Tight piece 3 expands has two and the one-to-one to locate two spacing groove 101, and the equal movable cover of tight piece 3 that expands is established on guide arm 2 for two, and tight piece 3 that each expands can follow guide arm 2 and remove about in the spacing groove 101 that corresponds, and the upper end of tight piece 3 that each expands is seted up respectively with pipe fitting complex cylinder groove 301, the coaxial setting in cylinder groove 301 of tight piece 3 that two expand, and the tight piece 3 that expands is carried on the back one end terminal surface that sets up mutually is constructed as the tight face 302 that expands that can offset with the support for two. The wedge block 4 is arranged in the base 1 in a way of moving up and down and is positioned between the two expansion blocks 3. The wedge-shaped block 4 can extend upwards to extrude the two expansion blocks 3 to increase the distance between the two expansion blocks 3, so that the two expansion blocks 3 move back to back along the guide rod 2 until the expansion surfaces 302 of the expansion blocks 3 are abutted against the bracket to expand the bracket; or retracted downwardly into the base 1 to release the stand. The pressing block 5 can rotate up and down. When the pressing block 5 rotates downwards, the pipe fitting can be pressed on the expansion block 3; when the pressing block 5 rotates upwards, the expansion block 3 can be loosened.
Preferably, in order to ensure the stability of the movement of the expansion block 3, the guide rods 2 are symmetrically arranged in front and back, each guide rod 2 horizontally penetrates through the two limiting grooves 101 in sequence, and the front end and the back end of each expansion block 3 are respectively sleeved on the two guide rods 2.
Specifically, in order to adjust the distance between the two expansion blocks 3, wedge surfaces 4021 are formed on the left and right sides of the wedge block 4, and a mating surface 303 of each expansion block 3, which mates with the wedge surface 4021, is a vertical surface. Preferably, in order to facilitate the wedge-shaped block 4 to extend between the two expansion blocks 3 and ensure the expansion effect, each wedge-shaped block 4 is sequentially divided into three sections, namely an upper section 401, a wedge-shaped section 402 and a lower section 403, which are connected into a whole from top to bottom, the left side surface and the right side surface of the upper section 401 and the lower section 403 are vertical surfaces, the width of the upper section 401 is smaller than that of the lower section 403, and the left side surface and the right side surface of the wedge-shaped section 402 are wedge-shaped surfaces 4021.
Preferably, in order to avoid interference with the pipe when the wedge block 4 extends upwards, the middle part of the upper end of the wedge block 4 is provided with a yielding groove 404 extending along the left-right direction.
Preferably, pipe fitting hold-down mechanism is still including the tight cylinder 6 that expands, and the cylinder body 601 of the tight cylinder 6 that expands is fixed with base 1, and the piston rod of the tight cylinder 6 that expands is fixed in 4 lower extremes of wedge 4 and goes up and down with drive wedge 4, and when the piston rod of the tight cylinder 6 that expands upwards stretched out, wedge 4 upwards stretched out. When the piston rod of the expansion cylinder 6 retracts downwards, the wedge block 4 retracts into the base 1.
Preferably, the pressing block 5 is rotatably connected with the base 1, a profiling portion 501 matched with the pipe fitting is formed at the front end of the pressing block 5, the pipe fitting pressing mechanism further comprises a pressing cylinder 7, a cylinder body 701 of the pressing cylinder 7 is rotatably connected with the base 1 through a rotating shaft 8 extending left and right, and a piston rod 702 of the pressing cylinder 7 is connected to the rear end of the pressing block 5 so as to drive the pressing block 5 to rotate up and down to loosen or press the pipe fitting. When the piston rod 702 of the pressing cylinder 7 extends upwards, the pressing block 5 rotates downwards to press the pipe fitting on the expansion block 3. When the piston rod 702 of the hold-down cylinder 7 is retracted downward, the hold-down block 5 is rotated upward to release the pipe. More preferably, the pressing blocks 5 are two, the two pressing blocks 5 and the expansion blocks 3 are arranged in a one-to-one correspondence mode, the rear ends of the two pressing blocks 5 are connected into a whole through a connecting rod 9 extending left and right, a connecting block 10 is rotatably sleeved on the connecting rod 9, and the upper end of a piston rod 702 of the pressing cylinder 7 is fixed to the connecting block 10.
Referring to fig. 1 to 17, the clamp spring assembly tool for the pipe fitting of the automobile seat in the embodiment of the utility model comprises any one of the pipe fitting pressing mechanisms and clamp spring assembly mechanisms symmetrically arranged at the left end and the right end of the pipe fitting pressing mechanism. In the embodiment of the utility model, the end part close to the pipe fitting is fixedly provided with the bracket, and the side plate is sleeved on the end part of the pipe fitting. The pipe fitting passes through hold-down mechanism to be fixed in on the assembly fixture, jump ring assembly devices is used for the jump ring card to the pipe fitting periphery to fastening curb plate and pipe fitting.
Preferably, each clamp spring assembling mechanism comprises a horizontal sliding rail 11, a moving seat 12, a pushing cylinder 13, a movable block 14, a lifting cylinder 15, a pushing head 16 and a correcting head 17. Horizontal slide rail 11 has two and parallel interval to set up, and two horizontal slide rail 11 are extended about respectively, remove seat 12 and can follow 11 length direction of horizontal slide rail and slide forward and be close to pipe fitting 23, can follow 11 length direction of horizontal slide rail and slide backward and keep away from pipe fitting 23. The propulsion cylinder 13 is used for driving the moving seat 12 to slide along the length direction of the horizontal sliding rail 11, the cylinder body 1301 of the propulsion cylinder 13 is fixed with the horizontal sliding rail 11, and the piston rod 1302 of the propulsion cylinder 13 is fixed at the rear end of the moving seat 12. Two vertical slide rails 18 which are arranged in parallel at intervals are further arranged on the movable seat 12, and the movable block 14 can slide up and down along the vertical slide rails 18 of the movable seat 12. The lifting cylinder 15 is used for driving the movable block 14 to slide up and down along the vertical slide rail 18, the cylinder body 1501 of the lifting cylinder 15 is fixed at the top end of the movable base 12, and the piston rod 1502 of the lifting cylinder 15 is fixed with the upper end of the movable block 14. The pushing head 16 and the correcting head 17 are vertically arranged on the movable block 14 at intervals, and the axes of the pushing head 16 and the correcting head 17 extend left and right and are located in the same vertical plane. The pushing and pushing head 16 is used for pushing and clamping a clamp spring 25 to the periphery of the pipe 23 to fasten the side plate 24 and the pipe 23, the front end of the pushing and pushing head 16 is provided with an insertion hole 1601 matched with the pipe 23, and the front end face of the pushing and pushing head 16 is configured to be a profiling surface 1602 profiling with the non-assembly surface 2501 of the clamp spring 25. The correcting push head 17 is used for correcting the plastic deformation of the clamp spring 25 and avoiding the clamp spring 25 from deforming incompletely, the front end of the correcting push head 17 is provided with a jack 1701 matched with the pipe piece 23, and the front end face of the correcting push head 17 is configured to be a profiling face 1702 profiled with the non-assembly face 2501 of the clamp spring 25.
Preferably, in order to facilitate the replacement of the pushing head, the pushing head 16 and the correcting head 17 are detachably connected with the movable block 14 respectively. More preferably, in order to facilitate the quick replacement of the pushing head, the movable block 14 is fixed with an insertion block 19 and an insertion block 20, the pushing head 16 is inserted into the insertion block 19, and the correcting pushing head 17 is inserted into the insertion block 20. Specifically, offer upper end open-ended assembly chamber 1901 on the inserted block 19, the slot 1902 that upper end opening and link up with assembly chamber 1901 is still offered to the front end of inserted block 19, pushes up pusher 16 and includes working segment 1603, linkage segment 1604 and the insertion segment 1605 that links gradually an organic whole from the past to the back, wherein linkage segment 1604 and slot 1902 cooperation, insertion segment 1605 and assembly chamber 1901 cooperation. The insert block 20 is provided with an assembly cavity 2001 with an opening at the upper end, the front end of the insert block 20 is further provided with an insertion slot 2002 with an opening at the upper end and communicated with the assembly cavity 2001, the correction pushing head 17 comprises a working section 1703, a connecting section 1704 and an insertion section 1705 which are sequentially connected into a whole from front to back, wherein the connecting section 1704 is matched with the insertion slot 2002, and the insertion section 1705 is matched with the assembly cavity 2001.
Preferably, in order to improve the assembly efficiency and the assembly precision, a core rod 21 is fixed in the insertion hole 1601 of the pushing and pushing head 16, the core rod 21 is arranged coaxially with the pushing and pushing head 16, and the outer periphery of the core rod 21 and the hole wall of the insertion hole 1601 of the pushing and pushing head 16 enclose an annular alignment cavity 22 matched with the pipe 23. More preferably, to facilitate the installation of the circlip 25 on the profiling surface 1602, the front end of the mandrel 21 is configured in a circular truncated cone shape.
The use method of the clamp spring assembly tool for the automobile seat pipe fitting in the embodiment of the utility model comprises the following steps:
step 1), please refer to fig. 1 to 3, retracting the piston rod 702 to lift the pressing block 5 of the pipe fitting pressing mechanism and retract the piston rod of the expansion cylinder 6 to lower the wedge block 4 into the base 1;
step 2), after the bracket is fixed on the pipe fitting, the pipe fitting is placed on two expansion blocks 3 of the pressing mechanism;
step 3), starting the expansion cylinder 6, enabling the wedge block 4 to extend upwards along with a piston rod of the expansion cylinder 6, enabling the wedge block 4 to extrude the expansion block 3, enabling the expansion block 3 to move towards the left side and the right side to expand the pipe fitting, then extending out the piston rod 702, and enabling the pressing block 5 to rotate downwards to press the pipe fitting;
step 4), pre-assembling the two side plates 24 on the pipe piece 23;
step 5), starting the lifting cylinder 15 to enable the pushing head 16 to be coaxial with the pipe 23, starting the pushing cylinder 13 to enable the piston rod 1302 to push the moving seat 12 to move forward until the pushing head 16 is pushed to clamp the clamp spring 25 on the pipe 23 to generate plastic deformation to fasten the side plate 24 and the pipe 23, please refer to fig. 8 and 9;
step 6), then retracting the piston rod 1302 to move the movable seat 12 backwards to the initial state;
step 7), starting the lifting cylinder 15, referring to fig. 10, making the piston rod 1502 drive the movable block 14 to ascend until the correction push head 17 is coaxial with the pipe 23, and making the piston rod 1302 push the movable seat 12 to move forward until the push head 16 abuts against the clamp spring 25 to correct the plastic deformation of the clamp spring 25;
step 9), retracting the piston rod 1302 to enable the movable seat 12 to move backwards to an initial state;
step 10), please refer to fig. 4 to 7, then lift the pressing block, and finally retract the wedge block, and then take down the assembled product.
The above description is provided for the purpose of describing the present invention in more detail, and it should not be construed that the present invention is limited to the description, and it will be apparent to those skilled in the art that various modifications and substitutions can be made without departing from the spirit of the present invention.

Claims (10)

1. The utility model provides a pipe fitting hold-down mechanism, the both ends of pipe fitting are fixed with support, its characterized in that respectively:
the device comprises a base, wherein two limiting grooves are symmetrically arranged on the left and right;
the guide rod is fixed on the base and sequentially and horizontally penetrates through the two limiting grooves;
two expansion blocks are arranged in the limiting grooves in a one-to-one correspondence mode, the two expansion blocks are sequentially movably sleeved on the guide rod in a sleeved mode, each expansion block can move left and right in the corresponding limiting groove along the guide rod, a cylindrical groove matched with the pipe fitting is formed in the upper end of each expansion block, and one end face, opposite to the two expansion blocks, of one end face is constructed into an expansion face capable of abutting against the support;
the wedge block is positioned between the two expansion blocks and can lift and extrude the two expansion blocks to adjust the distance between the two expansion blocks;
and
and the pressing block is used for pressing the pipe fitting on the expansion block.
2. The tube compression mechanism of claim 1, wherein: the two guide rods are symmetrically arranged in the front-back direction, each guide rod horizontally penetrates through the two limiting grooves in sequence, and two ends of each expansion block are sleeved on the two guide rods respectively.
3. The tube compression mechanism of claim 1, wherein: wedge surfaces are formed on the left side and the right side of each wedge block, and one surface, matched with each wedge surface, of each expansion block is a vertical surface.
4. The tube compression mechanism of claim 3, wherein: each wedge block is sequentially divided into three sections which are connected into a whole from top to bottom, namely an upper section, a wedge section and a lower section, the left side surface and the right side surface of each upper section and each lower section are vertical surfaces, the width of each upper section is smaller than that of each lower section, and the left side surface and the right side surface of each wedge section are wedge surfaces.
5. The tube compression mechanism of claim 1, wherein: the wedge block lifting device is characterized by further comprising an expansion cylinder, a cylinder body of the expansion cylinder is fixed with the base, and a piston rod of the expansion cylinder is fixed at the lower end of the wedge block to drive the wedge block to lift.
6. The tube compression mechanism of claim 1, wherein: the mechanism comprises a pressing block, a base, a pressing cylinder, a piston rod and a pressing cylinder, wherein the pressing block is rotatably connected with the base, a profiling part matched with the pipe fitting is formed at the front end of the pressing block, the cylinder body of the pressing cylinder is rotatably connected with the base, and the piston rod of the pressing cylinder is connected to the rear end of the pressing block to drive the pressing block to rotate up and down to loosen or press the pipe fitting.
7. The tube compression mechanism of claim 6, wherein: the compressing blocks are two and are arranged in a one-to-one correspondence mode with the expansion blocks, the rear ends of the two compressing blocks are connected into a whole through a connecting rod, a connecting block is rotatably sleeved on the connecting rod, and the upper end of a piston rod of the compressing cylinder is fixed with the connecting block.
8. The utility model provides a car seat pipe fitting jump ring assembly fixture which characterized in that: the pipe fitting pressing mechanism comprises the pipe fitting pressing mechanism as claimed in any one of claims 1 to 7 and two clamp spring assembling mechanisms symmetrically arranged at the left end and the right end of the pipe fitting pressing mechanism.
9. The assembly tooling for clamp springs of automobile seat pipes of claim 8, characterized in that: each clamp spring assembling mechanism comprises a horizontal sliding rail extending leftwards and rightwards;
a movable seat which can slide left and right to approach or depart from the pipe fitting;
the propulsion cylinder is used for driving the movable seat to slide;
the movable block is arranged on the movable seat and can slide up and down;
the lifting cylinder is used for driving the movable block to slide;
and
the push heads are arranged on the movable block at intervals, the axes of the push heads extend left and right and are located in the same vertical plane, the front ends of the push heads are respectively provided with jacks matched with the pipe fittings, the front end faces of the push heads are respectively constructed into a profile surface profiled with the clamp springs, the push heads are respectively a push head and a correction push head, the push head is used for pushing and clamping the clamp springs to the periphery of the pipe fittings, and the correction push head is used for correcting the plastic deformation of the clamp springs.
10. The assembly tooling for clamp springs of automobile seat pipes of claim 8, characterized in that: and a core rod which is coaxial with the pushing head is fixed in the jack of the pushing head, and the periphery of the core rod and the wall of the jack of the pushing head form an annular alignment cavity matched with the pipe fitting.
CN202120830729.7U 2021-04-22 2021-04-22 Pipe fitting hold-down mechanism and car seat pipe fitting jump ring assembly fixture Active CN215700986U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120830729.7U CN215700986U (en) 2021-04-22 2021-04-22 Pipe fitting hold-down mechanism and car seat pipe fitting jump ring assembly fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120830729.7U CN215700986U (en) 2021-04-22 2021-04-22 Pipe fitting hold-down mechanism and car seat pipe fitting jump ring assembly fixture

Publications (1)

Publication Number Publication Date
CN215700986U true CN215700986U (en) 2022-02-01

Family

ID=80029529

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120830729.7U Active CN215700986U (en) 2021-04-22 2021-04-22 Pipe fitting hold-down mechanism and car seat pipe fitting jump ring assembly fixture

Country Status (1)

Country Link
CN (1) CN215700986U (en)

Similar Documents

Publication Publication Date Title
CN210790734U (en) Tool for assembling gear parts
CN115194397A (en) Longitudinal seam welding tool for thin-wall cylinder
CN215700986U (en) Pipe fitting hold-down mechanism and car seat pipe fitting jump ring assembly fixture
CN116871369A (en) Bending equipment and bending process for through pipe
CN101890467B (en) Hydraulic upsetter
CN114523678B (en) Semi-automatic riveting press for rubber pipe joint and operation method thereof
CN211589048U (en) Car return bend welding fixation clamp
CN110605519A (en) Car return bend welding fixation clamp
CN212683015U (en) Positioning mechanism for welding pipe workpieces
CN212551399U (en) Elbow pipe whole-opening clamping assembly of elbow pipe mechanism of automatic thin-wall short U elbow pipe forming machine
CN220330499U (en) General shell closing device
CN213256516U (en) Machine head tube expanding device for tube expanding machine
CN220922439U (en) Multi-clamping-jaw manipulator mechanism
CN220240605U (en) Car lock assembly fixture that acts as go-between
CN219899871U (en) Pipeline punching device
CN211763453U (en) Product shaping and assembling jig
CN219335426U (en) Leveling machine
CN217890033U (en) Combined welding fixture
CN217665914U (en) Pipe reducing equipment capable of being adjusted at two ends
CN117583485B (en) Necking die and necking method for stainless steel pipe fitting
CN117300585B (en) Pneumatic pressing device for automobile ball pin dust cover clamp
CN221336288U (en) Stamping part limiting device for automobile
CN113601131B (en) Assembling device for cradle body and plastic part of spinning frame
CN215469408U (en) Automobile seat pipe fitting jump ring assembly mistake proofing mechanism
CN213530418U (en) Two drawing dies of fender

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 430000 plot 56md, Wuhan Economic and Technological Development Zone, Hubei Province

Patentee after: Dongfeng Yanfeng automobile seat Co.,Ltd.

Country or region after: China

Address before: 430000 plot 56md, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province

Patentee before: DONGFENG ANDAOTUO AUTOMOBILE SEAT CO.,LTD.

Country or region before: China