Jig for taking out fixed mold of automobile bumper

By designing an automated pneumatic fixture combination, the problem of fixed mold barrier during the mold extraction process of the automobile bumper is solved, and an efficient and stable extraction process is achieved, efficiency and product quality are improved, and safety hazards are reduced.

CN222309715UActive Publication Date: 2025-01-07NINGBO HAITIAN ZHILIAN TECH CO LTD
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Patent Information

Application Number
CN202422597312.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-01-07
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

During the mold-fixed removal process of existing automobile bumpers, due to the blockage of the mold-fixed structure, the removal efficiency is low, manual operation is cumbersome, and consistency cannot be guaranteed, which can easily cause product damage and safety hazards.

Method used

A vehicle bumper mold extraction fixture including multiple bottom pneumatic clamps, lateral telescopic pneumatic clamps and pulling pneumatic clamps are designed. The fixture assembly is set according to the shape and position of the vehicle bumper. , can stably clamp and bend the car bumper to avoid blocking the fixed mold cavity.

Benefits of technology

It improves the efficiency and stability of the car bumper, reduces manual operation, reduces production costs and safety risks, and ensures consistency and product quality of each removal process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a jig for taking out a fixed die of an automobile bumper, which comprises a jig support and a clamp assembly fixedly arranged on the jig support, and a robot connecting seat is fixedly arranged at the rear end of the jig support. The device is characterized in that the clamp assembly comprises a plurality of bottom surface pneumatic clamps which are used for forwards and fixedly clamping main body clamping points on the rear end face of the automobile bumper located in the mold cavity of the fixed mold; the lateral telescopic pneumatic clamps are used for fixedly clamping side clamping points of the side portion of the automobile bumper, the pulling pneumatic clamps are used for forwards fixedly clamping upper clamping points of the upper portion of the automobile bumper located in the fixed die cavity, and the clamping direction of the pulling pneumatic clamps is perpendicular to the moving direction of the downward moving driving mechanism; the device has the advantages that the automobile bumper cannot be blocked by the fixed die cavity in the taking-out process, the taking-out effect is stable, the quality of the automobile bumper is effectively improved, and the subsequent cost is saved.
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Description

Technical Field

[0001] The utility model relates to a product taking-out jig, in particular to a fixed-die taking-out jig for automobile bumpers. Background Art

[0002] In the process of removing parts from the fixed mold of the existing automobile bumper, due to the special structure of the fixed mold, the side and upper parts of the automobile bumper will be blocked by the undercut structure located at the edge of the fixed mold cavity when being taken out, especially the parting line part of the upper part of the automobile bumper leaving the end will bulge upward and get stuck in the fixed groove with the undercut structure located at the upper part of the fixed mold cavity due to the design requirements. Generally, the automobile bumper is manually pressed, pulled, bent and other tedious actions to make the various stuck parts of the automobile bumper separate from the fixed mold cavity, and then the automobile bumper is taken out as a whole; because there are many manual action steps and it takes a long time, the manual removal efficiency is very low; and the consistency of the strength and sequence of manual removal cannot be guaranteed, and some special action sequences cannot be performed by operators at the same time, the surface of the automobile bumper will be damaged to varying degrees, the effect is unstable, and the automobile bumper needs to be repaired in the later process, which increases the cost; in addition, the production time of automobile bumpers is long, the labor intensity is high, and workers are easily fatigued, resulting in product damage, and there are certain safety hazards. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a fixed mold taking-out jig for automobile bumpers, which is not blocked by the fixed mold cavity during the taking-out process, has a stable taking-out effect and a high automatic taking-out efficiency.

[0004] The technical solution adopted by the utility model to solve the above technical problems is: a fixed mold removal jig for an automobile bumper, comprising a jig bracket and a clamp assembly fixedly arranged on the jig bracket, a robot connecting seat being fixedly arranged on the rear end of the jig bracket, the clamp assembly comprising a plurality of bottom pneumatic clamps, a plurality of lateral telescopic pneumatic clamps and a plurality of pulling pneumatic clamps, a plurality of the bottom pneumatic clamps being fixedly arranged forward on the jig bracket through a bottom connection mechanism, a plurality of the bottom pneumatic clamps being used to forwardly fix and clamp a main body clamping point on the rear end face of the automobile bumper located in the fixed mold cavity, a plurality of the lateral telescopic pneumatic clamps being used to forwardly fix and clamp a main body clamping point on the rear end face of the automobile bumper located in the fixed mold cavity, The movable clamps are retractably arranged on both sides of the fixture bracket, the retracting direction of the lateral retractable pneumatic clamps is consistent with the clamping direction, and multiple lateral retractable pneumatic clamps are used to fix and clamp the side clamping points of the side of the automobile bumper. Multiple pulling pneumatic clamps are connected to the upper part of the fixture bracket through a downward driving mechanism, and the downward driving mechanism drives the pulling pneumatic clamps to move up and down. Multiple pulling pneumatic clamps are used to fix and clamp the upper clamping points of the upper part of the automobile bumper located in the fixed mold cavity forward, and the clamping direction of the pulling pneumatic clamps is perpendicular to the moving direction of the downward driving mechanism.

[0005] Compared with the prior art, the utility model has the advantages that the positions, angles and numbers of multiple bottom pneumatic clamps, multiple lateral telescopic pneumatic clamps and multiple pulling pneumatic clamps are all set correspondingly according to the positions and angles of each clamping point inside the automobile bumper. When clamping the automobile bumper, the bottom pneumatic clamp forwardly fixes and clamps the main clamping point on the rear end surface of the automobile bumper located in the fixed mold cavity, and the multiple pulling pneumatic clamps forwardly fix and clamp the upper clamping point of the automobile bumper, and then the downward driving mechanism drives the pulling pneumatic clamp to move downward, so that the parting line part of the upper part of the automobile bumper is downwardly disengaged from the molding groove with an undercut structure in the upper part of the fixed mold cavity until it is not blocked by the upper part of the fixed mold cavity. At the same time, the multiple lateral telescopic pneumatic clamps fix and clamp the side clamping points of the side of the automobile bumper and move inward, so that the side of the automobile bumper is bent inwardly until it is not blocked by the side edge of the fixed mold cavity; then, the fixed mold removal fixture is driven by the robot to remove the automobile bumper as a whole from the fixed mold. The fixed mold removal jig can ensure consistency in each removal action so that the bending degree of each part of the car bumper during each removal process is consistent with the bending degree of the car bumper taken out last time. The removal process of the car bumper will not be blocked by the fixed mold cavity, and the removal effect is stable, which effectively improves the quality of the car bumper and saves subsequent costs; the fixed mold removal jig can automatically and quickly realize cumbersome removal actions with continuous actions, greatly saving labor and improving efficiency; the automated removal process can adapt to the characteristics of long production time and high labor intensity of car bumpers, improve efficiency and reduce safety hazards.

[0006] Preferably, the lateral telescopic pneumatic clamp includes a lateral pneumatic large clamp, a side telescopic cylinder and an L-shaped fixed plate, the L-shaped fixed plate includes a first folding plate and a second folding plate which are bent and fixedly connected to each other, the rear side of the first folding plate is fixedly connected to the fixture bracket through a lateral connecting mechanism, the side telescopic cylinder is slidably arranged on the second folding plate along the front and rear directions through a slide rail slider assembly, the end of the driving rod located at the front end of the side telescopic cylinder is fixedly connected to the front side of the first folding plate, and the rear end of the side telescopic cylinder is fixedly connected to the rear end of the lateral pneumatic large clamp. The side pneumatic high-power clamp is driven by a cylinder to open or clamp. The side telescopic cylinder is slidably arranged on the second folding plate along the front-to-rear direction through a slide rail slider assembly, thereby ensuring stability when clamping the car bumper and effectively protecting the driving rod of the side telescopic cylinder to increase its service life. Among them, the side telescopic cylinder can also be matched with another cylinder to form a driving combination with a two-stage stroke, which can first take out the side of the car bumper from the inner side of the side edge of the fixed mold cavity with a small amplitude, and then perform the next stroke bending, thereby effectively protecting the side surface of the car bumper.

[0007] Preferably, the lateral connection mechanism includes a first cross-connecting tube clamp, a first clamping leg, a first connecting rod and a first connecting plate. The first cross-connecting tube clamp is provided with two first clamping holes whose axis lines are perpendicular to each other and whose positions are staggered. A first clamping slit is provided on one side of the first clamping hole. The first cross-connecting tube clamp is provided with a first adjusting bolt that passes through the first clamping slit and is used to adjust the spacing of the first clamping slit. The first cross-connecting tube clamp is fixedly connected to the jig bracket through one of the first clamping holes. The first clamping leg includes a first clamping rod and a first clamping head that are fixedly connected. A second clamping hole is provided in the first chuck, a second clamping slit is provided on one side of the second clamping hole, a second adjusting bolt is provided on the first chuck which passes through the second clamping slit and is used to adjust the spacing of the second clamping slit, the first clamping rod is fixedly connected to the first cross connecting tube clamp through another first clamping hole of the first cross connecting tube clamp, the first connecting rod is fixedly connected to the first chuck through the second clamping hole, the front end of the first connecting rod is fixedly connected to the rear side of the first connecting plate, and the front side of the first connecting plate is fixedly connected to the rear side of the first folding plate. Through the connection combination of the first cross connecting tube clamp, the first clamping leg, the first connecting rod and the first connecting plate, the lateral telescopic pneumatic clamp can be fixedly installed on the fixture bracket according to the set clamping angle, and each of the components therein is a common connection device.

[0008] Preferably, the downward movement driving mechanism comprises a downward movement driving cylinder, a fixed mounting plate, a downward movement connecting plate, a downward movement limiting block, a downward movement limiting rod and a downward movement connecting mechanism, the downward movement connecting plate is fixedly connected to the fixture bracket through the downward movement connecting mechanism, the downward movement driving cylinder is fixedly arranged downwardly on the front side of the downward movement connecting plate, the fixed mounting plate is fixedly arranged on the driving end of the downward movement driving cylinder, the pulling pneumatic clamp is fixedly arranged forwardly on the bottom of the fixed mounting plate and is perpendicular to the driving direction of the downward movement driving cylinder, the downward movement limiting block is fixedly arranged on the rear side of the downward movement connecting plate, the downward movement limiting block is provided with two limiting through holes in the up and down directions, the fixed mounting plate is provided with two fixed connection screw holes whose positions correspond one to one with the positions of the two limiting through holes respectively, the downward movement limiting rod passes through the limiting through hole and the fixed connection screw hole from top to bottom in sequence and is fixedly connected to the fixed mounting plate through a fixing bolt, and the upper end of the downward movement limiting rod is integrally formed with a limiting head whose outer diameter is larger than the inner diameter of the limiting through hole. The pulling pneumatic clamp clamps the upper clamping point of the automobile bumper forward, and then the downward driving cylinder drives the pulling pneumatic clamp to move downward so that the upper part of the automobile bumper is downwardly disengaged from the molding groove with an undercut structure on the upper part of the fixed mold cavity until it is no longer blocked by the upper part of the fixed mold cavity; the pulling pneumatic clamp is also a high-power clamping device that uses a cylinder to drive the opening or clamping.

[0009] Preferably, the jig bracket includes a plurality of cross bars, a plurality of longitudinal bars and a plurality of vertical bars, the cross bars are arranged horizontally, the longitudinal bars are arranged longitudinally and perpendicular to the cross bars, the vertical bars are arranged vertically in the up-down direction, and the cross bars and the longitudinal bars, the longitudinal bars and the vertical bars, and the cross bars and the vertical bars are all fixedly connected by a second cross connecting tube clamp. The combination of each rod can realize that the bottom pneumatic clamp, the lateral telescopic pneumatic clamp and the pulling pneumatic clamp are fixedly installed on the jig bracket as needed and can move freely in six degrees of freedom. The second cross connecting tube clamp is a conventional rod connecting device to ensure the connection strength.

[0010] Preferably, at least two adsorption detection mechanisms are also included, and the adsorption detection mechanism includes an adsorption connection assembly, an adsorption connection rod, a vacuum adsorption head and an adsorption detection sensor. The rear end of the adsorption connection rod is fixedly connected to the fixture bracket through the adsorption connection assembly, and the vacuum adsorption head is fixedly connected to the front end of the adsorption connection rod through an adsorption connection screw. The adsorption detection sensor is used to detect the vacuum state inside the vacuum adsorption head. If the car bumper is successfully taken out, the vacuum adsorption head will be adsorbed on the surface of the car bumper, and the adsorption detection sensor detects the vacuum negative pressure, thereby judging that the car bumper is successfully taken out, effectively improving the overall automated pickup efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a structural schematic diagram of the lateral telescopic pneumatic clamp and the lateral connecting mechanism in the utility model;

[0013] Figure 3 It is a structural schematic diagram of the downward moving driving mechanism and the pulling pneumatic clamp in the utility model;

[0014] Figure 4 It is a structural schematic diagram of the adsorption detection mechanism in the utility model.

[0015] Description of reference numerals:

[0016] 1. Fixture bracket; 11. Horizontal bar; 12. Longitudinal bar; 13. Vertical bar; 14. Second cross connecting pipe clamp; 2. Robot connecting seat; 3. Bottom pneumatic clamp; 4. Pull pneumatic clamp; 51. Pneumatic clamp; 52. Side telescopic cylinder; 53. First folding plate; 54. Second folding plate; 55. Slide rail slider assembly; 61. First cross connecting pipe clamp; 62. First connecting rod; 63. First connecting plate; 64. First clamping hole; 65. The first clamping gap; 66, the first clamping rod; 67, the first clamping head; 68, the second clamping hole; 69, the second clamping gap; 71, the downward drive cylinder; 72, the fixed mounting plate; 721, the fixed connecting screw hole; 73, the downward connecting plate; 74, the downward limit block; 741, the limit through hole; 75, the downward limit rod; 751, the limit head; 76, the downward connecting mechanism; 81, the adsorption connecting assembly; 82, the adsorption connecting rod; 83, the vacuum adsorption head. DETAILED DESCRIPTION

[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0018] Embodiment 1: Figure 1~Figure 3As shown, a fixed mold removal jig for an automobile bumper comprises a jig bracket 1 and a clamp assembly fixedly arranged on the jig bracket 1, a robot connecting seat 2 is fixedly arranged at the rear end of the jig bracket 1, the clamp assembly comprises a plurality of bottom pneumatic clamps 3, a plurality of lateral telescopic pneumatic clamps and a plurality of pulling pneumatic clamps 4, the plurality of bottom pneumatic clamps 3 are fixedly arranged forward on the jig bracket 1 through a bottom connection mechanism 31, the plurality of bottom pneumatic clamps 3 are used to forwardly fix and clamp the main body clamping point on the rear end surface of the automobile bumper located in the fixed mold cavity, the plurality of lateral telescopic pneumatic clamps The pneumatic clamps 1 are retractably arranged on both sides of the jig bracket 1. The retracting direction of the lateral retractable pneumatic clamps is consistent with the clamping direction. Multiple lateral retractable pneumatic clamps are used to fix and clamp the side clamping points of the side of the automobile bumper. Multiple pulling pneumatic clamps 4 are connected to the upper part of the jig bracket 1 through a downward drive mechanism. The downward drive mechanism drives the pulling pneumatic clamps 4 to move up and down. Multiple pulling pneumatic clamps 4 are used to fix and clamp the upper clamping points of the upper part of the automobile bumper located in the fixed mold cavity. The clamping direction of the pulling pneumatic clamps 4 is perpendicular to the moving direction of the downward drive mechanism. The positions, angles and quantities of the multiple bottom pneumatic clamps 3, the multiple lateral retractable pneumatic clamps and the multiple pulling pneumatic clamps 4 are all set according to the positions and angles of the various clamping points inside the automobile bumper.

[0019] The lateral telescopic pneumatic clamp includes a lateral pneumatic large clamp 51, a lateral telescopic cylinder 52 and an L-shaped fixed plate. The L-shaped fixed plate includes a first folding plate 53 and a second folding plate 54 that are bent and fixedly connected to each other. The rear side of the first folding plate 53 is fixedly connected to the fixture bracket 1 through a lateral connecting mechanism. The lateral telescopic cylinder 52 is slidably arranged on the second folding plate 54 along the front and rear directions through a slide rail slider assembly 55. The end of the driving rod located at the front end of the lateral telescopic cylinder 52 is fixedly connected to the front side of the first folding plate 53, and the rear end of the lateral telescopic cylinder 52 is fixedly connected to the rear end of the lateral pneumatic large clamp 51. The side pneumatic clamp 51 is opened or clamped by a cylinder drive, and the side telescopic cylinder 52 is slidably arranged on the second folding plate 54 along the front-to-back direction through the slide rail slider assembly 55, so as to ensure the stability when clamping the automobile bumper, and effectively protect the driving rod of the side telescopic cylinder 52, thereby improving the service life; wherein, the side telescopic cylinder 52 can also be matched with another cylinder to form a driving combination with a two-stage stroke, which can first take out the side of the automobile bumper from the inner side of the side edge of the fixed mold cavity with a small amplitude, and then bend the next stroke, thereby effectively protecting the surface of the side of the automobile bumper; the lateral connection mechanism includes a first cross connecting tube clamp 61, a first clamping leg, a first connecting rod 62 and a first connecting plate 63, and the interior of the first cross connecting tube clamp 61 is penetrated by two first clamping holes 64 whose axis lines are perpendicular to each other and whose positions are staggered with each other, and a first clamping slit 65 is opened on one side of the first clamping hole 64, and a first clamping slit 65 is opened on the first side of the first clamping hole 64. The cross-shaped connecting tube clamp 61 is provided with a first adjusting bolt passing through the first clamping slit 65 and used for adjusting the spacing of the first clamping slit 65. The first cross-shaped connecting tube clamp 61 is fixedly connected to the jig bracket 1 through a first clamping hole 64. The first clamping leg includes a first clamping rod 66 and a first clamping head 67 which are fixedly connected. A second clamping hole 68 is provided in the first clamping head 67. A second clamping slit 69 is provided on one side of the second clamping hole 68. The first clamping head 67 is provided with a second adjusting bolt passing through the second clamping slit 69 and used for adjusting the spacing of the second clamping slit 69. The first clamping rod 66 is fixedly connected to the first cross-shaped connecting tube clamp 61 through another first clamping hole 64 of the first cross-shaped connecting tube clamp 61. The first connecting rod 62 is fixedly connected to the first clamping head 67 through the second clamping hole 68. The front end of the first connecting rod 62 is fixedly connected to the rear side of the first connecting plate 63. The front side of the first connecting plate 63 is fixedly connected to the rear side of the first folding plate 53. Through the connection combination of the first cross connecting tube clamp 61, the first clamping leg, the first connecting rod 62 and the first connecting plate 63, the lateral telescopic pneumatic clamp can be fixedly installed on the fixture bracket 1 according to the set clamping angle. Each component therein is a common connecting device, and the bottom surface connecting mechanism 31 also adopts the various connecting devices used in the lateral connecting mechanism to be appropriately combined, and the bottom surface pneumatic clamp 3 is fixedly installed to the corresponding position on the fixture bracket 1 according to the position and angle requirements.

[0020] The downward drive mechanism includes a downward drive cylinder 71, a fixed mounting plate 72, a downward connecting plate 73, a downward limit block 74, a downward limit rod 75 and a downward connecting mechanism 76. The downward connecting plate 73 is fixedly connected to the fixture bracket 1 through the downward connecting mechanism 76. The downward drive cylinder 71 is fixedly arranged downward on the front side of the downward connecting plate 73. The fixed mounting plate 72 is fixedly arranged on the driving end of the downward drive cylinder 71. The pneumatic clamp 4 is fixedly arranged forward at the bottom of the fixed mounting plate 72 and is perpendicular to the driving direction of the downward drive cylinder 71. The lower limit block 74 is fixedly arranged at the rear side of the lower connection plate 73. The lower limit block 74 is provided with two limit through holes 741 in the up-down direction. The fixed mounting plate 72 is provided with two fixed connection screw holes 721 corresponding to the positions of the two limit through holes 741. The lower limit rod 75 passes through the limit through holes 741 and the fixed connection screw holes 721 from top to bottom in sequence and is fixedly connected to the fixed mounting plate 72 by fixing bolts. The upper end of the lower limit rod 75 is integrally formed with a limit head 751 whose outer diameter is larger than the inner diameter of the limit through hole 741. The upper clamping point is the clamping point on the upper part of the automobile bumper that originally extends backward out of the fixed mold cavity, and the upper part of the automobile bumper located in the fixed mold cavity is located in front of the upper clamping point and is bent upward and clamped in the fixed mold cavity, and cannot be directly pulled backward. Therefore, when it moves downward, it can be freed from the obstruction of the fixed mold cavity and smoothly moved backward.

[0021] The fixture bracket 1 includes a plurality of cross bars 11, a plurality of longitudinal bars 12 and a plurality of vertical bars 13. The cross bars 11 are arranged horizontally in the horizontal direction, the longitudinal bars 12 are arranged longitudinally in the horizontal direction and are perpendicular to the cross bars 11, and the vertical bars 13 are arranged vertically in the up-down direction. The cross bars 11 and the longitudinal bars 12, the longitudinal bars 12 and the vertical bars 13, and the cross bars 11 and the vertical bars 13 are all fixedly connected by a second cross connecting tube clamp 14. The second cross connecting tube clamp 14 has the same structure as the first cross connecting tube clamp 61. The combination of each rod can realize that the bottom pneumatic clamp 3, the lateral telescopic pneumatic clamp and the pulling pneumatic clamp are fixedly installed on the fixture bracket 1 as needed and can move freely in six degrees of freedom.

[0022] Embodiment 2: Figure 1 , Figure 4As shown, the rest of the parts are the same as those in Example 1, except that it also includes two adsorption detection mechanisms, which include an adsorption connection assembly 81, an adsorption connection rod 82, a vacuum adsorption head 83 and an adsorption detection sensor. The rear end of the adsorption connection rod 82 is fixedly connected to the fixture bracket 1 through the adsorption connection assembly 81, and the vacuum adsorption head 83 is fixedly connected to the front end of the adsorption connection rod 82 through an adsorption connection screw. The adsorption detection sensor is used to detect the vacuum state inside the vacuum adsorption head 83. If the car bumper is successfully taken out, the vacuum adsorption head 83 will be adsorbed on the surface of the car bumper, and the adsorption detection sensor will detect the vacuum negative pressure, thereby judging that the car bumper has been successfully taken out, effectively improving the overall automated pickup efficiency. The number of adsorption detection mechanisms is selected to be two or more as needed, and they are arranged at the corresponding positions where the effective adsorption state of the product needs to be detected.

[0023] The overall action flow of the above embodiment is as follows:

[0024] (1) The injection molding machine opens the mold, and the robot controls the fixed mold to remove the jig close to the car bumper in the fixed mold cavity and reaches the pre-removal position. At this time, the bottom pneumatic clamp 3 is close to the main clamping point on the rear end surface of the car bumper, and the pneumatic clamp 4 is pulled close to the upper clamping point on the upper part of the car bumper. The main clamping point and the upper clamping point are both pre-set on the rear end surface and the upper part of the car bumper, and the upper clamping point extends to the outside of the fixed mold cavity; then the vacuum adsorption head 83 is squeezed onto the surface of the car bumper;

[0025] (2) The lateral telescopic pneumatic clamp extends to both sides close to the side clamping points on both sides of the automobile bumper, and the side clamping points are clamping pieces pre-set on both sides of the automobile bumper;

[0026] (3) The bottom pneumatic clamp 3, the pulling pneumatic clamp 4 and the lateral telescopic pneumatic clamp are actuated to clamp the corresponding clamping points on the car bumper;

[0027] (4) The downward driving mechanism is pressed downward, and the pneumatic clamp 4 is pulled to pull the area of ​​the automobile bumper downward, so that the parting line of the area is partially separated from the undercut of the upper edge of the fixed mold cavity;

[0028] (5 The lateral telescopic pneumatic clamp is retracted inward, driving the two side areas of the automobile bumper to disengage inward from the undercut structures located on both sides of the fixed mold cavity;

[0029] (6) The vacuum adsorption head 83 is opened. If the car bumper is successfully removed, the vacuum adsorption head 83 will be adsorbed on the surface of the car bumper, causing vacuum negative pressure. The adsorption detection sensor detects the vacuum negative pressure and determines that the car bumper is successfully removed;

[0030] (7) The robot drives the car bumper to move backward and away from the fixed mold cavity through the robot connecting seat 2;

[0031] (8) The lateral telescopic pneumatic clamp is pushed outward, and the downward drive mechanism is retracted upward, so that the car bumper returns to its original shape to prevent the car bumper from being deformed for a long time. At this point, the robot successfully removes the car bumper and flows into the subsequent process.

Claims

1. A fixed mold removal jig for an automobile bumper, comprising a jig bracket and a clamp assembly fixedly arranged on the jig bracket, wherein a robot connection seat is fixedly arranged at the rear end of the jig bracket, characterized in that: The clamp assembly includes multiple bottom pneumatic clamps, multiple lateral telescopic pneumatic clamps and multiple pulling pneumatic clamps. Multiple bottom pneumatic clamps are fixedly arranged forward on the fixture bracket through a bottom connection mechanism. Multiple bottom pneumatic clamps are used to fix and clamp the main clamping point on the rear end surface of the automobile bumper located in the fixed mold cavity forward. Multiple lateral telescopic pneumatic clamps are telescopically arranged on both sides of the fixture bracket. The telescopic direction of the lateral telescopic pneumatic clamps is consistent with the clamping direction. Multiple lateral telescopic pneumatic clamps are used to fix and clamp the side clamping points of the side of the automobile bumper. Multiple pulling pneumatic clamps are connected to the upper part of the fixture bracket through a downward driving mechanism. The downward driving mechanism drives the pulling pneumatic clamps to move up and down. Multiple pulling pneumatic clamps are used to fix and clamp the upper clamping points of the upper part of the automobile bumper located in the fixed mold cavity forward. The clamping direction of the pulling pneumatic clamps is perpendicular to the moving direction of the downward driving mechanism.

2. The fixed mold removal jig for automobile bumper according to claim 1 is characterized in that The lateral telescopic pneumatic clamp includes a lateral pneumatic large clamp, a side telescopic cylinder and an L-shaped fixed plate. The L-shaped fixed plate includes a first folding plate and a second folding plate that are bent and fixedly connected to each other. The rear side of the first folding plate is fixedly connected to the fixture bracket through a lateral connection mechanism. The side telescopic cylinder is slidably arranged on the second folding plate along the front and rear directions through a slide rail slider assembly. The end of the driving rod located at the front end of the side telescopic cylinder is fixedly connected to the front side of the first folding plate, and the rear end of the side telescopic cylinder is fixedly connected to the rear end of the lateral pneumatic large clamp.

3. The fixed mold removal jig for automobile bumper according to claim 2, characterized in that The lateral connection mechanism includes a first cross connecting tube clamp, a first clamping leg, a first connecting rod and a first connecting plate. The first cross connecting tube clamp is provided with two first clamping holes whose axis lines are perpendicular to each other and whose positions are staggered. A first clamping slit is provided on one side of the first clamping hole. The first cross connecting tube clamp is provided with a first adjusting bolt that passes through the first clamping slit and is used to adjust the spacing of the first clamping slit. The first cross connecting tube clamp is fixedly connected to the jig bracket through one of the first clamping holes. The first clamping leg includes a first clamping rod and a first clamping head that are fixedly connected. A second clamping hole is provided in a chuck, a second clamping slit is provided on one side of the second clamping hole, a second adjusting bolt is provided on the first chuck, which passes through the second clamping slit and is used to adjust the spacing of the second clamping slit, the first clamping rod is fixedly connected to the first cross connecting tube clamp through the other first clamping hole of the first cross connecting tube clamp, the first connecting rod is fixedly connected to the first chuck through the second clamping hole, the front end of the first connecting rod is fixedly connected to the rear side of the first connecting plate, and the front side of the first connecting plate is fixedly connected to the rear side of the first folding plate.

4. The fixed mold removal jig for automobile bumper according to claim 1, characterized in that The down-moving driving mechanism comprises a down-moving driving cylinder, a fixed mounting plate, a down-moving connecting plate, a down-moving limiting block, a down-moving limiting rod and a down-moving connecting mechanism, the down-moving connecting plate is fixedly connected to the jig bracket through the down-moving connecting mechanism, the down-moving driving cylinder is fixedly arranged downwardly on the front side of the down-moving connecting plate, the fixed mounting plate is fixedly arranged on the driving end of the down-moving driving cylinder, the pulling pneumatic clamp is fixedly arranged forwardly on the bottom of the fixed mounting plate and is perpendicular to the driving direction of the down-moving driving cylinder, the down-moving limiting block is fixedly arranged on the rear side of the down-moving connecting plate, the down-moving limiting block is provided with two limiting through holes in the up-down direction, the fixed mounting plate is provided with two fixed connecting screw holes whose positions correspond to the positions of the two limiting through holes respectively, the down-moving limiting rod passes through the limiting through hole and the fixed connecting screw hole from top to bottom in sequence and is fixedly connected to the fixed mounting plate through a fixing bolt, and the upper end of the down-moving limiting rod is integrally formed with a limiting head whose outer diameter is larger than the inner diameter of the limiting through hole.

5. The fixed mold removal jig for automobile bumper according to claim 1, characterized in that The jig bracket includes multiple cross bars, multiple longitudinal bars and multiple vertical bars. The cross bars are arranged horizontally in the horizontal direction, the longitudinal bars are arranged longitudinally in the horizontal direction and are perpendicular to the cross bars, and the vertical bars are arranged vertically in the up and down directions. The cross bars and the longitudinal bars, the longitudinal bars and the vertical bars, and the cross bars and the vertical bars are all fixedly connected by a second cross connecting pipe clamp.

6. The fixed mold removal jig for automobile bumper according to claim 1, characterized in that It also includes at least two adsorption detection mechanisms, which include an adsorption connection assembly, an adsorption connection rod, a vacuum adsorption head and an adsorption detection sensor. The rear end of the adsorption connection rod is fixedly connected to the fixture bracket through the adsorption connection assembly, and the vacuum adsorption head is fixedly connected to the front end of the adsorption connection rod through an adsorption connection screw. The adsorption detection sensor is used to detect the vacuum state inside the vacuum adsorption head.