Automobile part welding fixing clamp

Abstract

The invention relates to the technical field of automobile part machining equipment, in particular to an automobile part welding fixing clamp which comprises supporting legs and further comprises a rotary driving assembly, a working panel is fixedly connected to the tops of the supporting legs, a welding mechanical arm is arranged on the rear side of the top of the working panel, and the rotary driving assembly comprises a driving motor. The driving motor is fixedly connected to the middle of the bottom of the working panel and provided with an output shaft. The linkage of the lifting sliding block and the rotary clamping block is controlled through the electric telescopic rod, the gear can be placed and removed in a one-key mode, the clamp does not need to be manually adjusted, the gear clamping time is shortened, the production efficiency is improved, the gear clamping device is particularly suitable for a batch welding scene, manual intervention is reduced, the rotary clamping block exerts uniform pressure on the top edge of the gear through a rubber clamping pad, and the gear clamping efficiency is improved. The gear is fixed through high friction force, the gear is prevented from shifting or loosening in the welding process, the welding position precision of the cam shaft and the gear is guaranteed, and the welding defect caused by unstable clamping is avoided.

Description

Technical Field

[0001] This invention relates to the field of automotive parts processing equipment technology, specifically to a welding and fixing fixture for automotive parts. Background Technology

[0002] Automotive parts refer to all components and parts that make up a complete car (during the manufacturing stage), as well as various parts, accessories, and consumable materials used for repair, maintenance, replacement, performance improvement, or personalized modification throughout the vehicle's life cycle. They are the basic materials that support the operation, safety, and personalization of a car.

[0003] Chinese patent application CN201922473467.9 discloses a welding fixture for automotive parts. Although this application enables convenient and quick fixing of automotive parts that need to be welded, when put into use, due to the precision required of automotive parts, the manual clamping has a poor clamping effect and a high error. This problem needs to be addressed. Summary of the Invention

[0004] The purpose of this invention is to provide a welding and fixing fixture for automotive parts to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a welding and fixing fixture for automotive parts, including a support leg and a rotary drive assembly, wherein a working panel is fixedly connected to the top of the support leg, and a welding robotic arm is provided on the rear side of the top of the working panel.

[0006] The rotation drive assembly includes:

[0007] The drive motor is fixedly connected to the bottom center of the work panel. The drive motor has an output shaft, and a rotating disc seat is fixedly connected to the output shaft. A clamping work block is fixedly connected to the top outer side of the rotating disc seat. A drive cavity is opened inside the clamping work block. An electric telescopic rod is fixedly connected to the bottom center of the drive cavity. The electric telescopic rod has a telescopic end, and a lifting sliding block is fixedly connected to the telescopic end of the electric telescopic rod. When working, the electric telescopic rod can drive the lifting sliding block to move up and down.

[0008] According to the above technical solution, it also includes a clamping assembly, which consists of a height adjustment frame, a positioning rotating frame, a rotating connecting block, a rotating clamping block, an adjusting connecting rod, and a driven fixing frame.

[0009] The height adjustment frame is fixedly connected to the right side of the lifting sliding block, the positioning rotating frame is fixedly connected to the right side of the clamping working block, the rotating connecting block is rotatably connected to the middle of the positioning rotating frame, the rotating clamping block is fixedly connected to the side of the rotating connecting block away from the clamping working block, the adjusting link is rotatably connected to the middle of the height adjustment frame, and the driven fixed frame is rotatably connected to the side of the adjusting link away from the height adjustment frame. The rotating clamping block rotates inside the positioning rotating frame through the rotating connecting block.

[0010] According to the above technical solution, it also includes an auxiliary component, which consists of a sliding cavity, a return spring, a sliding sealing block, a first connecting groove, a second connecting groove, and a rubber clamping pad.

[0011] The sliding cavity is located in the middle of the rotating clamping block. The return spring is fixedly connected to the rear side of the sliding cavity. The sliding sealing block is fixedly connected to the front end of the return spring. The first connecting groove is located inside the sliding sealing block. The second connecting groove is located at the top and bottom of the rotating clamping block. The rubber clamping pad is fixedly connected to the middle of the bottom of the rotating clamping block. The return spring can support the sliding sealing block.

[0012] According to the above technical solution, a limiting groove corresponding to the lifting sliding block is provided in the middle of the clamping working block. The telescopic end of the electric telescopic rod passes through the middle of the top of the drive cavity and extends to the limiting groove, where it is fixedly connected to the bottom of the lifting sliding block. The lifting sliding block is slidably connected to the limiting groove, and the electric telescopic rod can push the lifting sliding block to move up and down within the clamping working block.

[0013] According to the above technical solution, the output shaft of the drive motor passes through the bottom of the working panel and extends to the upper side of the working panel, where it is fixedly connected to the bottom of the rotating disc base. When the drive motor is working, it can drive the rotating disc base to rotate above the working panel.

[0014] According to the above technical solution, the bottom of the driven fixing frame is fixedly connected to the top of the rotating clamping block, and the rotating clamping block is arc-shaped. When the driven fixing frame is subjected to force, it can drive the rotating clamping block to rotate.

[0015] According to the above technical solution, the rubber clamping pad has a ventilation groove that is connected to the top and bottom. The inner diameters of the first connecting groove, the second connecting groove and the ventilation groove are the same. When the first connecting groove, the second connecting groove and the ventilation groove are on the same horizontal line, the air at the top of the rotating clamping block can flow downward through the ventilation groove.

[0016] According to the above technical solution, the number of clamping working blocks, electric telescopic rods, lifting sliding blocks, height adjustment frames, positioning rotating frames, rotating connecting blocks, rotating clamping blocks, adjusting connecting rods, driven fixing frames, and rubber clamping pads are all three. The three clamping working blocks, electric telescopic rods, lifting sliding blocks, height adjustment frames, positioning rotating frames, rotating connecting blocks, rotating clamping blocks, adjusting connecting rods, driven fixing frames, and rubber clamping pads are evenly spaced and arranged in a ring on the top of the rotating disc seat, which can simultaneously control the three rotating clamping blocks to squeeze and clamp the top of the gear.

[0017] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0018] 1. By controlling the linkage between the lifting sliding block and the rotating clamping block through the electric telescopic rod, the gear can be placed and removed with one click without the need for manual adjustment of the clamp, which shortens the gear clamping time, improves production efficiency, and is especially suitable for batch welding scenarios, reducing manual intervention;

[0019] 2. The rotating clamping block applies uniform pressure to the top edge of the gear through the rubber clamping pad, and uses high friction to fix the gear, preventing the gear from shifting or loosening during the welding process, ensuring the welding position accuracy of the camshaft and the gear, and avoiding welding defects caused by unstable clamping.

[0020] 3. When the gear rotates, the centrifugal force drives the return spring and the sliding sealing block to align the ventilation slots. Air flows to the welding point for forced heat dissipation, which effectively reduces the temperature of the welding area and prevents the gear from deforming or changing its metallographic structure due to high temperature, thereby improving welding quality and product life.

[0021] 4. When the gear is stationary, the return spring misaligns the ventilation slot, seals the air passage, blocks external dust, prevents dust from contaminating the gear surface or clamping surface, avoids loosening of the clamping due to particulate matter, and improves the stability of long-term clamping and the cleanliness of the product.

[0022] 5. The opening degree of the ventilation slot is directly proportional to the rotation speed of the rotating disc seat. The higher the speed, the larger the opening degree and the stronger the heat dissipation airflow. The lower the speed, the smaller the opening degree and the weaker the airflow. At low speed, a small amount of ventilation is retained, which can dissipate heat and prevent rapid cooling from causing internal stress cracks in the material. No additional fan or liquid cooling device is required. The airflow is driven only by the centrifugal force of rotation. Attached Figure Description

[0023] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2This is an exploded schematic diagram of the drive motor of the present invention;

[0026] Figure 3 This is a schematic diagram of the electric telescopic pole of the present invention;

[0027] Figure 4 This is an exploded view of the lifting sliding block of the present invention;

[0028] Figure 5 This is a schematic diagram of the adjusting linkage of the present invention;

[0029] Figure 6 This is a schematic diagram of the rubber clamping pad of the present invention;

[0030] Figure 7 This is a schematic diagram of the reset spring of the present invention;

[0031] Figure 8 This is an exploded schematic diagram of the sliding sealing block of the present invention.

[0032] In the diagram: 1. Support leg; 2. Work panel; 3. Welding robotic arm; 4. Rotary drive assembly; 401. Drive motor; 402. Rotating disc base; 403. Clamping work block; 404. Drive cavity; 405. Electric telescopic rod; 406. Lifting sliding block; 5. Clamping assembly; 501. Height adjustment frame; 502. Positioning rotating frame; 503. Rotating connecting block; 504. Rotating clamping block; 505. Adjusting connecting rod; 506. Driven fixed frame; 6. Auxiliary assembly; 601. Sliding cavity; 602. Return spring; 603. Sliding sealing block; 604. Connecting groove one; 605. Connecting groove two; 606. Rubber clamping pad. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0034] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the invention, and should not be construed as limiting the invention.

[0035] Example 1, please refer to Figures 1-4 The present invention provides a technical solution: a welding and fixing fixture for automotive parts, including a support leg 1 and a rotary drive assembly 4. A working panel 2 is fixedly connected to the top of the support leg 1, and a welding robotic arm 3 is provided on the rear side of the top of the working panel 2.

[0036] The rotary drive component 4 includes:

[0037] A drive motor 401 is fixedly connected to the bottom center of the work panel 2. The drive motor 401 has an output shaft, and a rotating disc seat 402 is fixedly connected to the output shaft of the drive motor 401. A clamping work block 403 is fixedly connected to the top outer side of the rotating disc seat 402. A drive cavity 404 is opened in the clamping work block 403. An electric telescopic rod 405 is fixedly connected to the bottom center of the drive cavity 404. The electric telescopic rod 405 has a telescopic end, and a lifting sliding block 406 is fixedly connected to the telescopic end of the electric telescopic rod 405. When working, the electric telescopic rod 405 can drive the lifting sliding block 406 to move up and down.

[0038] The clamping working block 403 has a limiting groove in the middle that corresponds to the lifting sliding block 406. The telescopic end of the electric telescopic rod 405 passes through the middle of the top of the drive cavity 404 and extends to the limiting groove, where it is fixedly connected to the bottom of the lifting sliding block 406. The lifting sliding block 406 is slidably connected to the limiting groove, and the electric telescopic rod 405 can push the lifting sliding block 406 to move up and down within the clamping working block 403.

[0039] The output shaft of the drive motor 401 passes through the bottom of the working panel 2 and extends to the upper side of the working panel 2, and is fixedly connected to the bottom of the rotating disc base 402. When working, the drive motor 401 can drive the rotating disc base 402 to rotate above the working panel 2.

[0040] Example 2, please refer to Figures 4-5 Based on Embodiment 1, the present invention provides a technical solution that further includes a clamping assembly 5, which consists of a height adjustment frame 501, a positioning rotation frame 502, a rotation connecting block 503, a rotation clamping block 504, an adjustment connecting rod 505, and a driven fixing frame 506.

[0041] The height adjustment frame 501 is fixedly connected to the right side of the lifting sliding block 406, the positioning rotating frame 502 is fixedly connected to the right side of the clamping working block 403, the rotating connecting block 503 is rotatably connected to the middle part of the positioning rotating frame 502, the rotating clamping block 504 is fixedly connected to the side of the rotating connecting block 503 away from the clamping working block 403, the adjusting rod 505 is rotatably connected to the middle part of the height adjustment frame 501, the driven fixed frame 506 is rotatably connected to the side of the adjusting rod 505 away from the height adjustment frame 501, and the rotating clamping block 504 rotates inside the positioning rotating frame 502 through the rotating connecting block 503.

[0042] The bottom of the driven fixing frame 506 is fixedly connected to the top of the rotating clamping block 504. The rotating clamping block 504 is arc-shaped, and the driven fixing frame 506 can drive the rotating clamping block 504 to rotate when subjected to force.

[0043] Example 3, please refer to Figures 6-8Based on Embodiment 1, the present invention provides a technical solution that further includes an auxiliary component 6, which consists of a sliding cavity 601, a reset spring 602, a sliding sealing block 603, a first connecting groove 604, a second connecting groove 605, and a rubber clamping pad 606.

[0044] A sliding cavity 601 is formed in the middle of the rotating clamping block 504. A return spring 602 is fixedly connected to the rear side of the sliding cavity 601. A sliding sealing block 603 is fixedly connected to the front end of the return spring 602. A first connecting groove 604 is formed inside the sliding sealing block 603. A second connecting groove 605 is formed at the top and bottom of the rotating clamping block 504. A rubber clamping pad 606 is fixedly connected to the middle of the bottom of the rotating clamping block 504. The return spring 602 can support the sliding sealing block 603.

[0045] The rubber clamping pad 606 has a ventilation groove that connects the top and bottom. The inner diameters of the connecting groove 1 604, the connecting groove 2 605 and the ventilation groove are the same. When the connecting groove 1 604, the connecting groove 2 605 and the ventilation groove are on the same horizontal line, the air at the top of the rotating clamping block 504 can flow downward through the ventilation groove.

[0046] The clamping working block 403, electric telescopic rod 405, lifting sliding block 406, height adjustment frame 501, positioning rotating frame 502, rotating connecting block 503, rotating clamping block 504, adjusting connecting rod 505, driven fixing frame 506, and rubber clamping pad 606 are all three in number. The three clamping working blocks 403, electric telescopic rod 405, lifting sliding block 406, height adjustment frame 501, positioning rotating frame 502, rotating connecting block 503, rotating clamping block 504, adjusting connecting rod 505, driven fixing frame 506, and rubber clamping pad 606 are evenly spaced and arranged in a ring on the top of the rotating disc seat 402, which can simultaneously control the three rotating clamping blocks 504 to squeeze and clamp the top of the gear.

[0047] When welding the camshaft and gear is required, the gear needs to be clamped. The electric telescopic rod 405 is controlled to work. When the electric telescopic rod 405 works, it pushes the lifting sliding block 406 to rise. When the lifting sliding block 406 rises, it simultaneously drives the height adjustment frame 501 to rise, so that the height adjustment frame 501 pulls the adjustment link 505. At the same time, the driven fixed frame 506 on the other side of the adjustment link 505 is subjected to force, which enables the driven fixed frame 506 to pull the rotating clamping block 504. At this time, the rotating connecting block 503 on the rotating clamping block 504 rotates in the positioning rotating frame 502, so that the rotating clamping block 504 can be vertically upward. Then the gear is placed on the top of the rotating disc seat 402, which can realize the quick installation and removal of the gear.

[0048] After the gear is placed on top of the rotating disc seat 402, the electric telescopic rod 405 is controlled to work, causing the electric lifting sliding block 406 of the electric telescopic rod 405 to descend, so that the height adjustment frame 501 can press the adjustment link 505. At the same time, the driven fixed frame 506 on the other side of the adjustment link 505 is subjected to force, so that the rotating clamping block 504 under the driven fixed frame 506 is subjected to force synchronously, so that the rotating connecting block 503 can rotate in the positioning rotating frame 502, and the rotating clamping block 504 covers the top edge of the gear. At the same time, the rotating clamping block 504 can press down to apply pressure to the top edge of the gear, so that the rubber clamping pad 606 under the rotating clamping block 504 presses the top of the gear. Since the rubber clamping pad 606 has a large friction, the device can clamp the gear.

[0049] When welding is required on the gears, they need to be rotated for welding. The drive motor 401 is activated, driving the rotating disc base 402 to rotate, causing the gears on the upper side of the rotating disc base 402 to rotate synchronously. As the rotating disc base 402 rotates, centrifugal force is applied to its upper side. Under the action of this centrifugal force, the return spring 602 inside the rotating clamping block 504 is stretched. When the return spring 602 is stretched, the sliding sealing block 603 slides in the sliding cavity 601 inside the rotating clamping block 504, causing the first connecting groove 604 on the sliding sealing block 603 to coincide with the second connecting groove 605 on the rotating clamping block 504. The connecting groove 604 is connected to the ventilation groove on the rubber clamping pad 606, allowing air on the upper side of the rotating clamping block 504 to be blown to the top of the gear pressing area through the connecting groove 604, the connecting groove 605, and the ventilation groove. This can cool down the gear during machining and welding, preventing the gear from deforming due to excessive temperature during welding. When the gear is stationary, centrifugal force cannot be generated on the upper side of the rotating disc seat 402. At this time, the return spring 602 elastically recovers and pulls the sliding sealing block 603 to move within the rotating clamping block 504. This can cause misalignment between the connecting groove 604, the connecting groove 605, and the ventilation groove, preventing dust from falling on the gear surface during clamping and causing subsequent loosening of the clamp, thus ensuring clamping quality.

[0050] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0051] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A welding and fixing fixture for automotive parts, comprising a support leg (1), characterized in that: It also includes a rotary drive assembly (4), a work panel (2) is fixedly connected to the top of the support leg (1), and a welding robotic arm (3) is provided on the rear side of the top of the work panel (2). The rotary drive assembly (4) includes: A drive motor (401) is fixedly connected to the bottom center of the work panel (2). The drive motor (401) has an output shaft. The output shaft of the drive motor (401) is fixedly connected to a rotating disc seat (402). A clamping work block (403) is fixedly connected to the top outer side of the rotating disc seat (402). A drive cavity (404) is opened in the clamping work block (403). An electric telescopic rod (405) is fixedly connected to the bottom center of the drive cavity (404). The electric telescopic rod (405) has a telescopic end. A lifting sliding block (406) is fixedly connected to the telescopic end of the electric telescopic rod (405). When working, the electric telescopic rod (405) can drive the lifting sliding block (406) to lift.

2. The automotive parts welding and fixing fixture according to claim 1, characterized in that: It also includes a clamping assembly (5), which consists of a height adjustment frame (501), a positioning rotation frame (502), a rotation connecting block (503), a rotation clamping block (504), an adjustment connecting rod (505), and a driven fixing frame (506); The height adjustment frame (501) is fixedly connected to the right side of the lifting sliding block (406), the positioning rotating frame (502) is fixedly connected to the right side of the clamping working block (403), the rotating connecting block (503) is rotatably connected to the middle part of the positioning rotating frame (502), the rotating clamping block (504) is fixedly connected to the side of the rotating connecting block (503) away from the clamping working block (403), the adjusting connecting rod (505) is rotatably connected to the middle part of the height adjustment frame (501), the driven fixed frame (506) is rotatably connected to the side of the adjusting connecting rod (505) away from the height adjustment frame (501), and the rotating clamping block (504) rotates inside the positioning rotating frame (502) through the rotating connecting block (503).

3. The automotive parts welding and fixing fixture according to claim 2, characterized in that: It also includes an auxiliary component (6), which consists of a sliding cavity (601), a return spring (602), a sliding sealing block (603), a first connecting groove (604), a second connecting groove (605), and a rubber clamping pad (606); The sliding cavity (601) is located in the middle of the rotating clamping block (504). The return spring (602) is fixedly connected to the rear side of the sliding cavity (601). The sliding sealing block (603) is fixedly connected to the front end of the return spring (602). The first connecting groove (604) is located inside the sliding sealing block (603). The second connecting groove (605) is located at the top and bottom of the rotating clamping block (504). The rubber clamping pad (606) is fixedly connected to the middle of the bottom of the rotating clamping block (504). The return spring (602) can support the sliding sealing block (603).

4. The automotive parts welding and fixing fixture according to claim 3, characterized in that: The clamping working block (403) has a limiting groove in the middle that corresponds to the lifting sliding block (406). The telescopic end of the electric telescopic rod (405) passes through the middle of the top of the drive cavity (404) and extends to the limiting groove and is fixedly connected to the bottom of the lifting sliding block (406). The lifting sliding block (406) is slidably connected to the limiting groove. The electric telescopic rod (405) can push the lifting sliding block (406) to rise and fall within the clamping working block (403).

5. The automotive parts welding and fixing fixture according to claim 4, characterized in that: The output shaft of the drive motor (401) passes through the bottom of the working panel (2) and extends to the upper side of the working panel (2) and is fixedly connected to the bottom of the rotating disc seat (402). When the drive motor (401) is working, it can drive the rotating disc seat (402) to rotate above the working panel (2).

6. The automotive parts welding and fixing fixture according to claim 5, characterized in that: The bottom of the driven fixing frame (506) is fixedly connected to the top of the rotating clamping block (504). The rotating clamping block (504) is arc-shaped. When the driven fixing frame (506) is subjected to force, it can drive the rotating clamping block (504) to rotate.

7. The automotive parts welding and fixing fixture according to claim 6, characterized in that: The rubber clamping pad (606) has a ventilation groove that connects the top and bottom. The inner diameters of the connecting groove one (604), the connecting groove two (605) and the ventilation groove are the same. When the connecting groove one (604), the connecting groove two (605) and the ventilation groove are on the same horizontal line, the air at the top of the rotating clamping block (504) can flow downward through the ventilation groove.

8. The automotive parts welding and fixing fixture according to claim 7, characterized in that: The clamping working block (403), electric telescopic rod (405), lifting sliding block (406), height adjustment frame (501), positioning rotating frame (502), rotating connecting block (503), rotating clamping block (504), adjusting link (505), driven fixing frame (506) and rubber clamping pad (606) are all in threes. The three clamping working blocks (403), electric telescopic rod (405), lifting sliding block (406), height adjustment frame (501), positioning rotating frame (502), rotating connecting block (503), rotating clamping block (504), adjusting link (505), driven fixing frame (506) and rubber clamping pad (606) are evenly distributed in a ring on the top of the rotating disc seat (402), which can simultaneously control the three rotating clamping blocks (504) to squeeze and clamp the top of the gear.

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