Surface scratch-proof conveying clamp for automobile accessory stamping part

Abstract

This utility model relates to the field of automotive manufacturing tooling and fixture technology, specifically a surface-scratch-resistant conveying fixture for stamped automotive parts. It includes a robotic arm body and a mounting plate. The mounting plate is fixedly connected to the upper surface of the robotic arm body, and a rectangular groove is formed at the bottom of the mounting plate. A clamping device is provided on the surface of the rectangular groove. This utility model utilizes the clamping device to drive a bidirectional threaded rod via the output of a motor. During operation, this causes two movable blocks to move bidirectionally. The stamped parts can be clamped and fixed by the clamping plate at the front end of the mounting rod. When clamping automotive parts of different specifications, the positioning rod can be pulled out from the positioning hole, and then the locking block can be removed from the limit frame for quick disassembly and replacement. The addition of the clamping device allows for multi-point contact and precise positioning, firmly fixing the stamped parts to the conveying fixture, thus improving production flexibility and efficiency.

Description

Technical Field

[0001] This utility model relates to the field of automotive manufacturing tooling and fixture technology, and in particular to a surface anti-scratch transfer fixture for stamped automotive parts. Background Technology

[0002] In the automated production process of automotive stamping parts, the conveyor fixture serves as a crucial link between stamping and subsequent processes, and its performance directly impacts the surface quality of the parts and production efficiency. Currently, stamping parts are mostly transported via conveyor belts or simple fixtures. However, due to the complexity of the stamping parts' structure and the characteristics of the metal material, the parts are prone to vibration, sliding, and friction / collision with the fixture surface during transport, resulting in surface defects such as scratches and indentations. This is especially true for high-precision body panels and decorative parts, where such damage can directly lead to product scrap or rework, increasing production costs.

[0003] Because some existing automotive parts stamping surface anti-scratch transfer fixtures use rigid clamping structures, although they can fix the parts, they lack buffer protection when the clamping surface is in direct contact with the stamping part, and rigid friction can still damage the surface. Other fixtures add protective pads to the clamping plate, but they are mostly fixed installations. When the protective pads wear or age due to long-term use, the entire clamping plate or even the fixture assembly needs to be disassembled for replacement. The disassembly process is cumbersome and time-consuming, causing frequent production line downtime and reducing production continuity. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of this utility model is to solve the problems in the existing technology where some fixtures adopt rigid clamping structures, which can fix the parts, but lack buffer protection when the clamping surface is in direct contact with the stamped parts, and rigid friction will still damage the surface; other fixtures add protective pads to the clamping plate, but they are mostly fixed installations. When the protective pads wear or age due to long-term use, the entire clamping plate or even the fixture assembly needs to be disassembled for replacement. The disassembly process is cumbersome and time-consuming, resulting in frequent production line shutdowns and reduced production continuity. Therefore, this utility model proposes a surface scratch-proof transfer fixture for stamped automotive parts.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a surface anti-scratch conveying fixture for stamped automotive parts, comprising a robotic arm body and a mounting plate. The mounting plate is fixedly connected to the upper surface of the robotic arm body. A rectangular groove is formed at the bottom of the mounting plate. A clamping device is provided on the surface of the rectangular groove. The clamping device includes a bidirectional threaded rod, which is rotatably connected to the interior of the rectangular groove. A motor is provided on one side of the bidirectional threaded rod, and the output end of the motor is fixedly connected to one side of the bidirectional threaded rod. A movable block is threadedly connected to the surface of the bidirectional threaded rod. An installation rod is fixedly connected to one side of the lower end of the movable block. A limit frame is fixedly connected to the side of the installation rod away from the movable block, and a clamping plate is provided on the surface of the limit frame.

[0006] Furthermore, a spring is movably connected to the surface of the mounting rod, and a locking block is movably connected inside the limiting frame, the locking block being engaged inside the limiting frame.

[0007] Furthermore, both the limiting frame and the card block have positioning holes at their tops, and a positioning rod is movably connected inside the positioning holes. A connecting plate is fixedly connected to the side of the card block away from the limiting frame, and the clamping plate is disposed on the surface of the connecting plate.

[0008] Furthermore, the surface of the clamping plate is provided with a protective device, which includes a limiting hole. The limiting hole is opened on the surface of the connecting plate, and a support rod is movably connected inside the limiting hole.

[0009] Furthermore, a second spring is fixedly connected between the connecting plate and the clamping plate, and the support rod is disposed inside the second spring.

[0010] Furthermore, the surface of the clamping plate is provided with a movable groove, and a protective pad is movably connected inside the movable groove. A mounting frame is fixedly connected to the back of the clamping plate.

[0011] Furthermore, a spring three is fixedly connected inside the mounting frame, a sliding groove is provided on one side of the mounting frame, a limiting plate is fixedly connected to the surface of the spring three, a movable rod is movably connected inside the sliding groove, and one side of the movable rod is fixedly connected to one side of the limiting plate.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0013] 1. In this utility model, by setting a clamping device, the output end of the motor can drive the bidirectional threaded rod to rotate. During the rotation, it will drive the two movable blocks to move in both directions. At this time, the clamping plate at the front end of the mounting rod can clamp and fix the stamped part. When clamping different specifications of automotive parts, the positioning rod can be pulled out from the inside of the positioning hole, and then the clamping block can be moved out from the inside of the limiting frame for quick disassembly and replacement. The addition of the clamping device can firmly fix the stamped part on the conveying fixture through multi-point contact and precise positioning, avoiding collision and sliding with the fixture surface or other parts during the transmission process, thereby effectively protecting the surface finish of the stamped part. The quick disassembly and replacement function of the clamping plate improves the production flexibility and efficiency.

[0014] 2. In this utility model, by setting a protective device, when the clamping plate is clamping, it can move back and forth inside the limiting hole through the support rod, and the spring two can achieve a preliminary buffering effect. After the protective pad has been used for a period of time, the movable rod can be slid inside the slide groove, thereby driving the limiting plate to move into the mounting frame under the action of the spring three, thereby canceling the limitation of the protective pad. The protective pad can then be pulled out from inside the movable groove for replacement. The protective pad is prone to wear, deformation or material aging due to friction when in contact with the stamped parts for a long time, resulting in a decrease in protective performance. By replacing it, the operator can quickly locate and disassemble the failed protective pad and replace it with a new one in time, ensuring that the clamping plate always maintains a good anti-scratch effect, avoiding damage to the surface of batch parts due to the failure of the protective pad, and increasing the practicality of the device. Attached Figure Description

[0015] Figure 1 This utility model provides a schematic diagram of the vertical device structure of a conveying fixture for preventing scratches on the surface of stamped automotive parts.

[0016] Figure 2 This utility model provides a schematic diagram of the clamping device structure of a conveying fixture for preventing scratches on the surface of stamped automotive parts.

[0017] Figure 3 This utility model provides a partial structural diagram of a clamping device for a transfer fixture that prevents scratches on the surface of stamped automotive parts.

[0018] Figure 4 This utility model provides a schematic diagram of a protective device for a conveying fixture that prevents scratches on the surface of stamped automotive parts.

[0019] Figure 5 This utility model presents a partial structural schematic diagram of a protective device for a conveying fixture that prevents scratches on the surface of stamped automotive parts.

[0020] Legend:

[0021] 1. Robotic arm body; 2. Mounting plate; 3. Rectangular groove; 4. Clamping device; 41. Bidirectional threaded rod; 42. Motor; 43. Movable block; 44. Mounting rod; 45. Spring 1; 46. Limiting frame; 47. Connecting plate; 48. Locking block; 49. Positioning hole; 410. Positioning rod; 411. Clamping plate; 5. Protective device; 51. Limiting hole; 52. Support rod; 53. Spring 2; 54. Movable groove; 55. Protective pad; 56. Mounting frame; 57. Slide groove; 58. Spring 3; 59. Limiting plate; 510. Movable rod. Detailed Implementation

[0022] Please see Figure 1-5 This utility model provides a technical solution: a surface anti-scratch conveying fixture for stamped automotive parts, including a robotic arm body 1 and a mounting plate 2. The mounting plate 2 is fixedly connected to the upper surface of the robotic arm body 1. A rectangular groove 3 is provided at the bottom of the mounting plate 2, and a clamping device 4 is provided on the surface of the rectangular groove 3.

[0023] The specific configuration and function of its clamping device 4 and protective device 5 will be explained below.

[0024] In this embodiment: the clamping device 4 includes a bidirectional threaded rod 41, which is rotatably connected to the inside of the rectangular groove 3. A motor 42 is provided on one side of the bidirectional threaded rod 41. A movable block 43 is threadedly connected to the surface of the bidirectional threaded rod 41. An installation rod 44 is fixedly connected to one side of the lower end of the movable block 43. A limit frame 46 is fixedly connected to the side of the installation rod 44 away from the movable block 43. A clamping plate 411 is provided on the surface of the limit frame 46.

[0025] Specifically, a spring 45 is movably connected to the surface of the mounting rod 44, and a locking block 48 is movably connected inside the limiting frame 46.

[0026] Specifically, both the top of the limiting frame 46 and the card block 48 are provided with positioning holes 49, and a positioning rod 410 is movably connected inside the positioning hole 49. A connecting plate 47 is fixedly connected to the side of the card block 48 away from the limiting frame 46, and a clamping plate 411 is disposed on the surface of the connecting plate 47.

[0027] The effect achieved by the above components is as follows: by setting the clamping device 4, the output end of the motor 42 can drive the bidirectional threaded rod 41 to rotate. During the rotation, the two movable blocks 43 will move bidirectionally. At this time, the stamped parts can be clamped and fixed by the clamping plate 411 at the front end of the mounting rod 44. When clamping different specifications of automotive parts, the positioning rod 410 can be pulled out from the inside of the positioning hole 49, and then the locking block 48 can be moved out from the inside of the limit frame 46 for quick disassembly and replacement. This increases the range of use of the device and improves the efficiency of the device.

[0028] Specifically, the surface of the clamping plate 411 is provided with a protective device 5, which includes a limiting hole 51. The limiting hole 51 is opened on the surface of the connecting plate 47, and a support rod 52 is movably connected inside the limiting hole 51.

[0029] Specifically, a second spring 53 is fixedly connected between the connecting plate 47 and the clamping plate 411, and a support rod 52 is disposed inside the second spring 53.

[0030] Specifically, the surface of the clamping plate 411 is provided with a movable groove 54, and a protective pad 55 is movably connected inside the movable groove 54. A mounting frame 56 is fixedly connected to the back of the clamping plate 411.

[0031] Specifically, a spring 58 is fixedly connected inside the mounting frame 56, a slide groove 57 is provided on one side of the mounting frame 56, a limit plate 59 is fixedly connected to the surface of the spring 58, and a movable rod 510 is movably connected inside the slide groove 57.

[0032] The effect achieved by the above components is as follows: by setting the protective device 5, the support rod 52 can move back and forth inside the limiting hole 51, and the spring 53 can provide initial cushioning. After the protective pad 55 has been used for a period of time, the movable rod 510 can slide inside the slide groove 57, thereby driving the limiting plate 59 to move into the mounting frame 56 under the action of the spring 58, thereby removing the limitation on the protective pad 55, so that the protective pad 55 can be replaced, thus improving the service life of the device.

[0033] Working principle:

[0034] By setting up the clamping device 4, the output end of the motor 42 can drive the bidirectional threaded rod 41 to rotate. During the rotation, it will drive the two movable blocks 43 to move in both directions. At this time, the clamping plate 411 at the front end of the mounting rod 44 can clamp and fix the stamped part. When clamping different specifications of automotive parts, the positioning rod 410 can be pulled out from the inside of the positioning hole 49, and then the locking block 48 can be moved out from the inside of the limit frame 46 for quick disassembly and replacement. The clamping device 4 can firmly fix the stamped part on the conveying fixture through multi-point contact and precise positioning, and avoid collision and sliding with the fixture surface or other parts during the transmission process, thereby effectively protecting the surface finish of the stamped part. The quick disassembly and replacement function of the clamping plate 411 improves the production flexibility and efficiency.

[0035] Then, by setting the protective device 5, when the clamping plate 411 is clamping, it can move back and forth inside the limiting hole 51 through the support rod 52, and the spring 53 can achieve a preliminary buffering effect. After the protective pad 55 has been used for a period of time, the movable rod 510 can slide inside the slide groove 57, thereby driving the limiting plate 59 to move into the mounting frame 56 under the action of the spring 58, thereby canceling the limitation of the protective pad 55. The protective pad 55 can then be pulled out from inside the movable groove 54 for replacement. The protective pad 55 is prone to wear, deformation or material aging due to friction when in contact with the stamped parts for a long time, resulting in a decrease in protective performance. By replacing it, the operator can quickly locate and disassemble the failed protective pad 55 and replace it with a new protective pad in time, ensuring that the clamping plate 411 always maintains a good anti-scratch effect, avoiding damage to the surface of batch parts due to the failure of the protective pad 55, and increasing the practicality of the device.

Claims

1. A surface anti-scratch conveying fixture for stamped automotive parts, comprising a robotic arm body (1) and a mounting plate (2), characterized in that: The mounting plate (2) is fixedly connected to the upper surface of the robotic arm body (1). A rectangular groove (3) is provided at the bottom of the mounting plate (2). A clamping device (4) is provided on the surface of the rectangular groove (3). The clamping device (4) includes a bidirectional threaded rod (41). The bidirectional threaded rod (41) is rotatably connected to the inside of the rectangular groove (3). A motor (42) is provided on one side of the bidirectional threaded rod (41). A movable block (43) is threadedly connected to the surface of the bidirectional threaded rod (41). An installation rod (44) is fixedly connected to one side of the lower end of the movable block (43). A limit frame (46) is fixedly connected to the side of the installation rod (44) away from the movable block (43). A clamping plate (411) is provided on the surface of the limit frame (46).

2. The anti-scratch conveying fixture for stamped automotive parts according to claim 1, characterized in that: The surface of the mounting rod (44) is movably connected to a spring (45), and the interior of the limiting frame (46) is movably connected to a locking block (48).

3. The anti-scratch conveying fixture for stamped automotive parts according to claim 2, characterized in that: The top of both the limiting frame (46) and the card block (48) is provided with positioning holes (49), and a positioning rod (410) is movably connected inside the positioning hole (49). A connecting plate (47) is fixedly connected to the side of the card block (48) away from the limiting frame (46), and the clamping plate (411) is disposed on the surface of the connecting plate (47).

4. The anti-scratch conveying fixture for stamped automotive parts according to claim 1, characterized in that: The surface of the clamping plate (411) is provided with a protective device (5), the protective device (5) includes a limiting hole (51), the limiting hole (51) is opened on the surface of the connecting plate (47), and a support rod (52) is movably connected inside the limiting hole (51).

5. A surface anti-scratch conveying fixture for stamped automotive parts according to claim 4, characterized in that: The connecting plate (47) is fixedly connected to the clamping plate (411) with a spring (53), and the support rod (52) is disposed inside the spring (53).

6. A surface anti-scratch conveying fixture for stamped automotive parts according to claim 5, characterized in that: The surface of the clamping plate (411) is provided with a movable groove (54), and a protective pad (55) is movably connected inside the movable groove (54). A mounting frame (56) is fixedly connected to the back of the clamping plate (411).

7. A surface anti-scratch conveying fixture for stamped automotive parts according to claim 6, characterized in that: The mounting frame (56) is fixedly connected to a spring three (58), and a slide groove (57) is provided on one side of the mounting frame (56). A limit plate (59) is fixedly connected to the surface of the spring three (58), and a movable rod (510) is movably connected inside the slide groove (57).

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