Pressing structure for laser welding of automobile parts

Abstract

The utility model provides a compressing structure for laser welding of automobile parts, which comprises an operation frame, a mechanical mounting mechanism arranged in the upper part of the operation frame, an air cylinder arranged in an inner cavity of the mechanical mounting mechanism, a telescopic end of the air cylinder fixedly connected with one end part of a push rod, and the push rod penetrating through a slideway arranged in the mechanical mounting mechanism, a first pressing plate is detachably installed at the end of the operation frame through a sleeve, and a second pressing plate is arranged on the lower portion of the operation frame and installed on the base plate through a spring buffering piece. Through the spring buffer piece, the clamping degree is improved, welding is accurate, welding missing is not prone to being caused, the production efficiency is high, and the production cost is reduced.

Description

Technical Field

[0001] This utility model relates to a clamping structure for laser welding of automotive parts. Background Technology

[0002] In the production and processing of automotive parts, profiles need to be laser welded to other components. During the laser welding process, the components to be welded need to be clamped and fixed.

[0003] Laser welding requires fixing the position of the workpiece. However, during the fixing process using a clamping device, vibrations can easily occur due to the repeated opening and closing of the clamping device. This causes the clamping components in the clamping device to gradually loosen, resulting in reduced clamping tightness, inaccurate welding, and a tendency to cause missed welds. This necessitates re-welding, reducing production efficiency and increasing production costs. Utility Model Content

[0004] The purpose of this invention is to provide a clamping structure for laser welding of automotive parts, so as to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a clamping structure for laser welding of automotive parts, including an operating frame, a mechanical mounting mechanism is provided in the upper part of the operating frame, a cylinder is provided in the inner cavity of the mechanical mounting mechanism, the telescopic end of the cylinder is fixedly connected to one end of a push rod, the push rod passes through a slide rail opened in the mechanical mounting mechanism, and a first pressure plate is detachably installed at its end through a sleeve, and a second pressure plate corresponding to the first pressure plate is provided in the lower part of the operating frame, the second pressure plate is installed on the base plate through a spring buffer.

[0006] Both the first pressure plate and the second pressure plate are provided with elastic blocks, and each elastic block is provided with an airbag mounting cavity, which is provided with a plurality of airbags.

[0007] The spring buffer includes a screw, two nuts and a spring. The screw passes through the skirt plate on the periphery of the second pressure plate and is screwed into the screw groove of the base plate. One nut is screwed onto the screw, and then the spring is sleeved on the screw, and the other nut is also screwed onto the screw.

[0008] The bottom end of the screw is provided with several threaded holes around its circumference. The threaded rod is inserted into the rod channel on the substrate, and its end is screwed into the threaded hole, thereby limiting the position of the screw.

[0009] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0010] Both the first and second pressure plates of this utility model are provided with elastic blocks. Each elastic block has an airbag mounting cavity, and several airbags are provided in the airbag mounting cavity. The elastic blocks enhance the clamping force on the workpiece while avoiding damage to the workpiece surface. The deformation of the airbags enhances the deformation of the elastic block surface, thus satisfying the clamping of workpieces of different shapes and specifications.

[0011] The push rod of this utility model passes through a slide rail opened in the mechanical mounting mechanism, and the end is detachably mounted with a first pressure plate via a sleeve. The second pressure plate is mounted on the base plate via a spring buffer. Both the first and second pressure plates can be disassembled and replaced and then reinstalled. The spring buffer includes a screw, two nuts and a spring. The screw passes through the skirt plate around the second pressure plate and is screwed into the screw groove of the base plate. One nut is screwed onto the screw, and then the spring is sleeved on the screw, and the other nut is also screwed onto the screw. When the second pressure plate vibrates, the spring can weaken the vibration force and ensure the stability of the second pressure plate.

[0012] The screw of this invention has several threaded holes around its bottom edge. The threaded rod is inserted into the rod channel on the substrate, and its end is screwed into the threaded hole, thereby limiting the screw position and further stabilizing the second pressure plate.

[0013] This invention improves clamping tightness, ensures precise welding, reduces the risk of incomplete welding, and increases production efficiency while lowering production costs by using a spring buffer component. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. In the drawings:

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 yes Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 yes Figure 1 Enlarged view of point B in the middle;

[0018] In the diagram: 1. Operating frame; 2. Mechanical mounting mechanism; 3. Cylinder; 4. Push rod; 5. Slide rail; 6. Sleeve; 7. First pressure plate; 8. Second pressure plate; 9. Elastic block; 91. Screw; 92. Nut; 93. Spring; 10. Base plate; 11. Airbag mounting cavity; 12. Airbag; 13. Screw groove; 14. Threaded hole; 15. Threaded insert rod. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-3 This utility model provides a technical solution: a clamping structure for laser welding of automotive parts, including an operating frame 1, a mechanical mounting mechanism 2 is provided in the upper part of the operating frame 1, a cylinder 3 is provided in the inner cavity of the mechanical mounting mechanism 2, the telescopic end of the cylinder 3 is fixedly connected to one end of a push rod 4, the push rod 4 passes through a slide 5 opened in the mechanical mounting mechanism 2, and the end of the push rod 4 is detachably mounted with a first pressure plate 7 through a sleeve 6, that is, the end of the push rod 4 is inserted into the sleeve 6, the sleeve 6 is fixedly set on the upper part of the first pressure plate 7, and the two are fastened by a bolt mechanism, thereby realizing the disassembly and installation of the first pressure plate 7. A second pressure plate 8 corresponding to the first pressure plate 7 is provided in the lower part of the operating frame 1, and the second pressure plate 8 is mounted on the base plate 10 by a spring buffer.

[0021] Both the first pressure plate 7 and the second pressure plate 8 are provided with elastic blocks 9, and the elastic blocks 9 are provided with airbag mounting cavities 11, and a number of airbags 12 are provided in the airbag mounting cavities 11.

[0022] The spring buffer includes a screw 91, two nuts 92 and a spring 93. The screw 91 passes through the skirt plate on the periphery of the second pressure plate 8 and is screwed into the screw groove 13 of the base plate 10. One nut 92 is screwed onto the screw 91, and then the spring 93 is sleeved on the screw 91, and the other nut 92 is also screwed onto the screw 91.

[0023] The bottom end of the screw 91 is provided with several threaded holes 14 around its perimeter. The threaded rod 15 is inserted into the rod channel on the base plate 10, and its end is screwed into the threaded hole 14, thereby limiting the position of the screw 91.

[0024] Specific working principle: When using this laser welding clamping structure, the workpiece is first placed in the second pressure plate 8, and the cylinder 3 is activated to push the push rod 4 so that the first pressure plate 7 moves closer to the second pressure plate 8 until the elastic block 9 on the first pressure plate 7 and the second pressure plate 8 clamps the workpiece, and then the workpiece is welded.

[0025] It should be noted that relational terms such as "first" and "second" are used merely 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.

[0026] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model 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 this utility model should be included within the protection scope of this utility model.

Claims

1. A pressing structure for laser welding of automotive parts, comprising an operating frame (1), characterized in that: The operation frame (1) is internally provided with a mechanical mounting mechanism (2), the internal cavity of the mechanical mounting mechanism (2) is provided with a cylinder (3), the telescopic end of the cylinder (3) is fixedly connected with one end of a push rod (4), the push rod (4) passes through a slide (5) arranged in the mechanical mounting mechanism (2), and the end is detachably provided with a first pressing plate (7) through a sleeve (6), the lower part of the operation frame (1) is provided with a second pressing plate (8) corresponding to the first pressing plate (7), and the second pressing plate (8) is installed on a base plate (10) through a spring buffer.

2. The pressing structure for laser welding of automobile parts according to claim 1, characterized in that: The first pressing plate (7) and the second pressing plate (8) are internally provided with elastic blocks (9), the elastic blocks (9) are internally provided with air bag mounting cavities (11), and a plurality of air bags (12) are arranged in the air bag mounting cavities (11).

3. The pressing structure for laser welding of automobile parts according to claim 1, characterized in that: The spring buffer comprises a screw rod (91), two nuts (92) and a spring (93), the screw rod (91) passes through the skirt plate on the periphery of the second pressing plate (8) and is screwed into the screw rod groove (13) in the base plate (10), one nut (92) is screwed onto the screw rod (91), then the spring (93) is sleeved on the screw rod (91), and the other nut (92) is also screwed onto the screw rod (91).

4. The pressing structure for laser welding of automobile parts according to claim 3, characterized in that: The bottom end of the screw rod (91) is provided with a plurality of threaded holes (14) along the periphery, a threaded plug rod (15) is inserted into the rod channel in the base plate (10), and the end is screwed into the threaded hole (14), thereby limiting the screw rod (91).

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