Welding clamping platform

Abstract

The utility model relates to the technical field of workpiece clamping, in particular to a welding clamping platform which comprises a base, a first supporting assembly, a second supporting assembly, two groups of first pressing mechanisms and two groups of second pressing mechanisms, the first supporting assembly is used for supporting the bottom wall, away from the opening, of the mounting base. The first pressing mechanisms are used for abutting against the side wall of the mounting base, and the mounting base is clamped through the two first pressing mechanisms and the first supporting assembly. The second supporting assembly is distributed on the front side of the first supporting assembly, and the distance between the second supporting assembly and the base is larger than the distance between the bottom wall of the mounting base and the base. The second supporting assembly is used for supporting the bottom wall of the inner plate and makes contact with the end, away from the inner rod, of the inner plate. The second pressing mechanism is arranged on the upper side of the second supporting assembly and used for abutting against the top wall of the inner plate, and the inner plate is pressed in the mounting base through the second pressing mechanism, the second supporting assembly and the inner rod.

Description

Technical Field

[0001] This utility model relates to the field of workpiece clamping technology, and in particular to a welding clamping platform. Background Technology

[0002] like Figure 2 and Figure 3 The front shock absorber mounting bracket includes mounting bracket A, inner plate B, inner rod C, and outer plate D. These four parts need to be welded together during production. Figure 1 The image shows an existing welding platform for a front shock absorber mounting base. This platform is used in two steps: first, to weld the outer plate and inner rod to the mounting base; and second, to weld the inner plate to the inner rod and the inner wall of the mounting base. However, due to limitations in the hardware of existing welding equipment, the platform's length is restricted. This results in a compact welding arrangement for the mounting base. During the second welding step, the mounting base opening faces downwards, and the inner plate needs to be welded into the mounting base. This causes difficulties in aligning the existing tooling for clamping the inner plate, and the welding process is also affected by the mounting base, leading to visual interference and decreased welding accuracy. Utility Model Content

[0003] In view of this, the present invention provides a welding clamping platform to solve one of the problems existing in the prior art.

[0004] To achieve one, some, or all of the above objectives, or other objectives, this utility model proposes:

[0005] A welding clamping platform for clamping an inner plate and a mounting base, wherein the mounting base has an inner rod, the welding clamping platform comprising: a base, a first lifting assembly, a second lifting assembly, a first clamping mechanism, and a second clamping mechanism mounted on the base;

[0006] The first supporting component is used to support the bottom wall of the mounting base away from the opening;

[0007] The first clamping mechanism is provided in two sets, and the two sets of the first clamping mechanism are symmetrically distributed on both sides of the first lifting component. The first clamping mechanism is used to abut against the side wall of the mounting base, and the mounting base is clamped by the two sets of first clamping mechanisms and the first lifting component.

[0008] The second lifting component is distributed in front of the first lifting component, and the distance between the second lifting component and the base is greater than the distance between the bottom wall of the mounting base and the base; the second lifting component is used to support the bottom wall of the inner plate, and the second lifting component contacts the end of the inner plate away from the inner rod;

[0009] The second pressing mechanism is placed on the upper side of the second lifting assembly. The second pressing mechanism is used to abut against the top wall of the inner plate. The inner plate is pressed into the mounting base by the second pressing mechanism, the second lifting assembly and the inner rod.

[0010] Furthermore, the first lifting component includes a front bracket and a rear bracket, which are distributed at intervals on the base. The front bracket is positioned close to the second lifting component, and the distance between the front bracket and the base is less than the distance between the rear bracket and the base. The top wall of both the rear bracket and the front bracket abuts against the bottom wall of the mounting base.

[0011] Furthermore, the top wall of the rear bracket and the top wall of the rear bracket are both inclined toward the second lifting assembly.

[0012] Furthermore, the top wall of the rear bracket forms an angle α with the base, and the top wall of the front bracket forms an angle β with the base, wherein the angle β is greater than the angle α.

[0013] Furthermore, the first lifting assembly also includes at least three side baffles, which are distributed on the rear, left and right sides of the rear bracket. The side baffles are folded outward at the end away from the base, and the side baffles abut against the outer side wall of the mounting base.

[0014] Furthermore, the first clamping mechanism is a push-pull quick clamp. The first clamping mechanism includes a first fixed base, a push rod, and a first handle. The push rod is slidably mounted on the first fixed base. One end of the push rod abuts against the outer wall of the mounting base, and the other end of the push rod is hinged to the first handle. By turning the first handle, the push rod can be driven to slide on the first fixed base.

[0015] Furthermore, the base is provided with a support platform, and the second pressing mechanism and the second lifting assembly are both fixed on the support platform. The second pressing mechanism is centrally located on the support platform. The second lifting assembly includes two lifting blocks, which are distributed on both sides of the second pressing mechanism. The lifting blocks are used to abut against the bottom wall of the inner plate.

[0016] Furthermore, a limiting block is provided on the support platform, which is used to abut the front end of the inner plate and restrict the inner plate from moving towards the support platform.

[0017] Furthermore, the second clamping mechanism is a vertical quick clamp, and the second clamping mechanism includes a second fixed base, a connecting rod, and a second handle;

[0018] One end of the connecting rod is hinged to the second fixed seat, and the other end of the connecting rod is provided with a pressure rod. The pressure rod is perpendicular to the connecting rod and is used to abut against the top wall of the inner plate.

[0019] The end of the second handle is hinged to the second fixed seat, and the middle of the second handle is provided with a hinge connecting the connecting rod. Turning the second handle can drive the connecting rod to flip and make the pressure rod move away from or closer to the inner plate.

[0020] Furthermore, the connecting rod is provided with a sliding groove, one end of the pressure rod is installed on the sliding groove by bolts and nuts, and the other end of the pressure rod is used to abut against the inner plate.

[0021] Implementing the embodiments of this utility model will have the following beneficial effects:

[0022] With the above solution, in this embodiment, the mounting base is placed on the first lifting assembly, so that the opening of the mounting base faces upward. The mounting base can then be stably clamped by two sets of first clamping mechanisms. Subsequently, the inner plate is placed inside the mounting base, and the inner rod and the second lifting assembly support the inner plate. The second clamping mechanism presses the inner plate tightly inside the mounting base, so that the arc-shaped piece of the inner plate is close to the inner rod and the two sides are close to the inner wall of the mounting base. The assembly steps are fewer and the clamping method is simple. The second welding can be performed quickly after the first welding of the mounting base is completed. This solves the problem that when the opening of the mounting base faces downward, it is difficult to align the welding position of the inner plate and the clamping is cumbersome when performing the second welding of the traditional mounting base. The visual clamping method is conducive to the observation of the workers and improves the overall welding efficiency and welding accuracy. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of an existing welding platform;

[0025] Figure 2 This is the overall structure of the front shock absorber mounting base in this embodiment;

[0026] Figure 3 This is a structural separation diagram of the front shock absorber mounting base in this embodiment;

[0027] Figure 4 This is a schematic diagram of the structure of the welding clamping platform when mounting the base in this embodiment. Figure 1 ;

[0028] Figure 5 This is a schematic diagram of the structure of the welding clamping platform when mounting the base in this embodiment. Figure 2 ;

[0029] Figure 6 This is a side view of the welding clamping platform in this embodiment when the mounting base is being clamped;

[0030] Figure 7 This is a schematic diagram of the two welding clamping platforms in this embodiment when the left and right mounting seats are clamped;

[0031] Figure 8 This is a schematic diagram of the welding clamping platform in this embodiment. Figure 1 ;

[0032] Figure 9 This is a schematic diagram of the welding clamping platform in this embodiment. Figure 2 ;

[0033] Figure 10 This is a top view of the welding clamping platform in this embodiment;

[0034] Figure 11 This is a schematic diagram of the structure of the first clamping mechanism in this embodiment;

[0035] Figure 12 This is a schematic diagram of the structure of the second clamping mechanism in this embodiment;

[0036] Figure label:

[0037] A. Mounting base; B. Inner plate; C. Inner rod; D. Outer plate;

[0038] 1. Base; 10. Support platform; 100. Limiting block;

[0039] 2. First lifting assembly; 20. Front bracket; 21. Rear bracket; 22. Side baffle;

[0040] 3. Second lifting component; 30. Lifting block;

[0041] 4. First clamping mechanism; 40. First fixed seat; 41. Push rod; 42. First handle;

[0042] 5. Second clamping mechanism; 50. Second fixed seat; 51. Connecting rod; 510. Slide groove; 52. Second handle; 53. Pressure rod. Detailed Implementation

[0043] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and accompanying drawings of this invention are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or accompanying drawings of this invention are used to distinguish different objects, not to describe a particular order.

[0044] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a mutually exclusive, independent, or alternative embodiment. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0045] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0046] See appendix Figure 1 - Appendix Figure 12 This embodiment discloses a welding clamping platform for clamping an inner plate B and a mounting base A. The mounting base A has an inner rod C. The welding clamping platform includes: a base 1, a first lifting assembly 2 and a second lifting assembly 3 mounted on the base 1, a first pressing mechanism 4 and a second pressing mechanism 5. The first lifting assembly 2 supports the bottom wall of the mounting base A away from the opening. The first pressing mechanism 4 is provided in two sets, symmetrically distributed on both sides of the first lifting assembly 2. The first pressing mechanism 4 abuts against the side wall of the mounting base A. 4 and the first lifting assembly 2 clamp the mounting base A; the second lifting assembly 3 is distributed in front of the first lifting assembly 2, and the distance between the second lifting assembly 3 and the base 1 is greater than the distance between the bottom wall of the mounting base A and the base 1; the second lifting assembly 3 is used to support the bottom wall of the inner plate B, and the second lifting assembly 3 contacts the end of the inner plate B away from the inner rod C; the second pressing mechanism 5 is placed on the upper side of the second lifting assembly 3, and the second pressing mechanism 5 is used to abut against the top wall of the inner plate B, and the inner plate B is pressed into the mounting base A by the second pressing mechanism 5, the second lifting assembly 3 and the inner rod C.

[0047] Specifically, the platform mainly achieves welding by clamping the mounting base A and the inner plate B. In the first stage, the outer plate D and the inner rod C have already been welded and fixed to the mounting base A. The platform in this embodiment is mainly used to complete the second stage welding, solving the problem of low welding efficiency in traditional second-stage welding clamping fixtures; such as Figure 2 and Figure 3 Mounting base A has openings on two adjacent side walls, while the shell portion facing opposite directions to the openings forms the bottom wall and side walls. In this embodiment, a first lifting assembly 2 is used to support the bottom wall, while two sets of first clamping mechanisms 4 clamp and fix it from both sides of mounting base A. This method ensures that the opening of mounting base A faces upwards, facilitating the insertion of the welding torch for welding and also facilitating the connection between inner plate B and inner rod C. During clamping, the operator can visually observe the distribution of components within mounting base A and the weld seam after welding, facilitating subsequent adjustments. Due to production requirements, the two sides of inner plate B are folded to fit against the inner wall of mounting base A for subsequent welding. One end of inner plate B has an arc-shaped piece that fits against inner rod C. The inner plate needs to be welded to the inner rod C, while the end of the inner plate B away from the arc-shaped piece partially extends out of the opening of the mounting base A. Based on this, in this embodiment, the second lifting component 3 supports the part of the inner plate B extending out of the mounting base A, so that one end of the inner plate B is supported by the inner rod C, and the other end of the inner plate B is supported by the second lifting component 3. Finally, the second pressing mechanism 5 presses the inner plate B from above, achieving stable clamping of the inner plate B. It can be seen that this embodiment cleverly utilizes the structure of the mounting base A to stably press the inner plate B into the mounting base A according to the positional relationship of the inner plate B in the mounting base A. Moreover, the distribution of the second lifting component 3 and the second pressing mechanism 5 does not affect the movement of the welding torch, which facilitates the welding torch to weld the arc-shaped piece of the inner plate B to the inner rod C, and the two sides of the inner plate B to the inner wall of the mounting base A.

[0048] In summary, this platform can be used to place or fix existing first-stage welding stations on the front or back, or to place workpieces on the platform after first-stage welding. Welding of the inner plate B and mounting base A is completed using an independent welding torch. During use, mounting base A is simply placed on the first lifting assembly 2 with its opening facing upwards. Two sets of first clamping mechanisms 4 then stably clamp mounting base A. The inner plate B is then placed inside mounting base A, supported by the inner rod C and the second lifting assembly 3. The second clamping mechanism 5 presses the inner plate B tightly against the inside of mounting base A, ensuring that the arc-shaped piece of inner plate B is flush against the inner rod C and its two sides are flush against the inner wall of mounting base A. This method involves fewer assembly steps and a simpler clamping method, allowing for rapid second-stage welding after the first-stage welding of mounting base A. It solves the problem of difficulty in aligning the welding position of inner plate B and cumbersome clamping caused by the downward-facing opening of traditional mounting base A during second-stage welding. The visual clamping method facilitates observation by the operator, improving overall welding efficiency and accuracy.

[0049] Since the front shock absorbers of a car are divided into left and right, it is necessary to weld the left and right mounting brackets. The platform in this embodiment can be configured as needed, such as... Figure 7 The left and right welding clamping platforms shown are designed to meet production needs.

[0050] See appendix Figure 4 - Appendix Figure 10The first supporting component 2 includes a front support 20 and a rear support 21. The front support 20 and the rear support 21 are distributed at intervals on the base 1, with the front support 20 positioned close to the second supporting component 3. The distance between the front support 20 and the base 1 is less than the distance between the rear support 21 and the base 1. The top walls of both the rear support 21 and the front support 20 abut against the bottom wall of the mounting base A. Specifically, the high and low rear support 21 and front support 20 make the opening of the mounting base A face upward and forward, ensuring that the inner rod C is not obstructed by the top wall of the mounting base A, facilitating the welding torch to enter the mounting base A for welding this part. Alternatively, the top walls of both the rear support 21 and the rear support 21 can be inclined towards the second supporting component 3, with the top wall of the rear support 21 forming an angle α with the base 1. The top wall of the front bracket 20 forms an angle β with the base 1, which is greater than the angle α. In this embodiment, since the bottom wall of the mounting seat A is divided into two parts, the rear side is a relatively flat plane and the front side is a relatively curved arc. Based on the existing structure of the mounting seat A, the angle α formed by the top wall of the rear bracket 21 and the base 1 is set to 10 degrees, and the angle β formed by the top wall of the front bracket 20 and the base 1 is set to 20 degrees. This setting allows the opening of the mounting seat A to fully expose the inner rod C, and the contact position between the arc-shaped piece of the inner plate B and the inner rod C is the welding position required for production. This setting allows the workers to clamp the mounting seat A with the platform without having to adjust the position of the inner plate B and the inner rod C before welding, effectively reducing the preparation work before welding and improving the welding efficiency of the mounting seat A.

[0051] To further ensure the accuracy of the placement of the mounting base A on the front bracket 20 and the rear bracket 21, the first lifting assembly 2 also includes at least three side baffles 22. The at least three side baffles 22 are distributed on the rear, left and right sides of the rear bracket 21. The end of the side baffle 22 away from the base 1 is folded outward, and the side baffle 22 abuts against the outer side wall of the mounting base A. Through the limiting effect of the three side baffles 22, the opening of the mounting base A is accurately positioned after the operator places it on the front bracket 20 and the rear bracket 21, without the need for further adjustment. At the same time, the three side baffles 22 can enhance the clamping stability of the first lifting assembly 2 on the mounting base A.

[0052] like Figure 11The first clamping mechanism 4 is a push-pull quick clamp. The first clamping mechanism 4 includes a first fixed seat 40, a push rod 41 and a first handle 42. The push rod 41 is slidably mounted on the first fixed seat 40. One end of the push rod 41 abuts against the outer wall of the mounting base A. The other end of the push rod 41 is provided with a hinge to the first handle 42. By turning the first handle 42, the push rod 41 can be driven to slide on the first fixed seat 40. Specifically, the end of the push rod 41 that contacts the mounting base A can be fitted with a soft rubber material such as a rubber head that is not easy to damage the surface of the mounting base A. With the push-pull quick clamp, after the mounting base A is placed in the first lifting component 2, the first handles 42 on both sides can be used to further reinforce and clamp the mounting base A, ensuring that the mounting base A will not easily shake and cause welding misalignment.

[0053] See appendix Figure 4 Appendix Figure 5 and attached Figure 8 A support platform 10 is provided on the base 1. The second pressing mechanism 5 and the second lifting assembly 3 are both fixed on the support platform 10. The second pressing mechanism 5 is centrally located on the support platform 10. The second lifting assembly 3 includes two lifting blocks 30, which are distributed on both sides of the second pressing mechanism 5. The lifting blocks 30 are used to abut against the bottom wall of the inner plate B. Specifically, the support platform 10 is mainly used to install the second pressing mechanism 5 and the second lifting assembly 3. The second lifting assembly 3 needs to support the inner plate B from below. The overall height of the inner plate B is relative to the mounting base according to production requirements. The bottom wall of A is higher, and the inner plate B has a notch in the middle of the end away from the inner rod C. Therefore, the second lifting assembly 3 is equipped with two lifting blocks 30 to support the inner plate B on both sides of the notch. The two lifting blocks 30 and the inner rod C at the other end form a three-point support for the bottom of the inner plate B, so that when the second pressing mechanism 5 presses the top wall of the inner plate B, the bottom wall of the inner plate B is subjected to uniform force and is not easily deformed. Since the second pressing mechanism 5 needs to contact the center position of the top wall of the inner plate B, it is fixed in the middle position of the support platform 10 to perform the pressing action across the end notch of the inner plate B.

[0054] Since the inner plate B is tilted towards the opening of the mounting base A, the inner plate B tends to slide towards the support platform 10. In order to prevent the inner plate B from being misaligned when subjected to the force of the second pressing mechanism 5, the support platform 10 is also provided with a limiting block 100. The limiting block 100 is used to abut against the front end of the inner plate B and restrict the inner plate B from moving towards the support platform 10. Specifically, the limiting block 100 abuts against the end wall at the notch of the inner plate B, so that the inner plate B cannot move towards the support platform 10.

[0055] like Figure 12The second clamping mechanism 5 is a vertical quick clamp. The second clamping mechanism 5 includes a second fixed seat 50, a connecting rod 51, and a second handle 52. One end of the connecting rod 51 is hinged to the second fixed seat 50, and the other end of the connecting rod 51 is provided with a pressure rod 53. The pressure rod 53 is perpendicular to the connecting rod 51 and is used to abut against the top wall of the inner plate B. The end of the second handle 52 is hinged to the second fixed seat 50, and the middle of the second handle 52 is provided with a hinge to connect with the connecting rod 51. By turning the second handle 52, the connecting rod 51 can be flipped and the pressure rod 53 can be moved away from or closer to the inner plate B. After the inner plate B is placed on the inner rod C and the second lifting assembly 3, the connecting rod 51 can be swung by controlling the second handle 52 to finally make the pressure rod 53 press against the top wall of the inner plate B. The end of the pressure rod 53 that contacts the inner plate B can also be fitted with a soft rubber material such as a rubber head that is not easy to damage the surface of the inner plate B.

[0056] In this embodiment, a groove 510 is provided on the connecting rod 51. One end of the pressure rod 53 is installed on the groove 510 by bolts and nuts, and the other end of the pressure rod 53 is used to abut against the inner plate B. Specifically, a bolt is provided on the pressure rod 53, the bolt passes through the groove 510, and washers are provided on the upper and lower sides of the groove 510. Finally, the pressure rod 53 is fixed on the groove 510 by nuts. Conversely, by releasing the locking effect of the nuts on the bolts, the pressure rod 53 can be adjusted along the length of the groove 510, so that the pressure rod 53 moves to a designated position to better press the inner plate B.

[0057] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this 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 specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A welding clamping platform for clamping an inner plate and a mounting base, wherein the mounting base has an inner rod, characterized in that, The welding clamping platform includes: a base, a first lifting assembly mounted on the base, a second lifting assembly, a first clamping mechanism, and a second clamping mechanism; The first supporting component is used to support the bottom wall of the mounting base away from the opening; The first clamping mechanism is provided in two sets, and the two sets of the first clamping mechanism are symmetrically distributed on both sides of the first lifting component. The first clamping mechanism is used to abut against the side wall of the mounting base, and the mounting base is clamped by the two sets of first clamping mechanisms and the first lifting component. The second lifting component is distributed in front of the first lifting component, and the distance between the second lifting component and the base is greater than the distance between the bottom wall of the mounting base and the base; the second lifting component is used to support the bottom wall of the inner plate, and the second lifting component contacts the end of the inner plate away from the inner rod; The second pressing mechanism is placed on the upper side of the second lifting assembly. The second pressing mechanism is used to abut against the top wall of the inner plate. The inner plate is pressed into the mounting base by the second pressing mechanism, the second lifting assembly and the inner rod.

2. The welding clamping platform according to claim 1, characterized in that, The first lifting component includes a front bracket and a rear bracket, which are distributed at intervals on the base. The front bracket is positioned close to the second lifting component, and the distance between the front bracket and the base is less than the distance between the rear bracket and the base. The top wall of both the rear bracket and the front bracket abuts against the bottom wall of the mounting base.

3. A welding clamping platform according to claim 2, characterized in that, The top wall of the rear bracket and the top wall of the rear bracket are both inclined toward the second lifting component.

4. A welding clamping platform according to claim 3, characterized in that, The top wall of the rear bracket forms an angle α with the base, and the top wall of the front bracket forms an angle β with the base, wherein the angle β is greater than the angle α.

5. A welding clamping platform according to claim 2, characterized in that, The first lifting assembly also includes at least three side baffles, which are distributed on the rear, left and right sides of the rear bracket. The side baffles are folded outward at the end away from the base and abut against the outer side wall of the mounting base.

6. A welding clamping platform according to claim 2, characterized in that, The first clamping mechanism is a push-pull quick clamp. The first clamping mechanism includes a first fixed base, a push rod and a first handle. The push rod is slidably mounted on the first fixed base. One end of the push rod abuts against the outer wall of the mounting base. The other end of the push rod is hinged to the first handle. By turning the first handle, the push rod can be driven to slide on the first fixed base.

7. A welding clamping platform according to claim 2, characterized in that, The base is provided with a support platform, and the second pressing mechanism and the second lifting assembly are both fixed on the support platform. The second pressing mechanism is centrally located on the support platform. The second lifting assembly includes two lifting blocks, which are distributed on both sides of the second pressing mechanism. The lifting blocks are used to abut against the bottom wall of the inner plate.

8. A welding clamping platform according to claim 7, characterized in that, The support platform is also provided with a limiting block, which is used to abut the front end of the inner plate and restrict the inner plate from moving towards the support platform.

9. A welding clamping platform according to claim 7, characterized in that, The second clamping mechanism is a vertical quick clamp, which includes a second fixed base, a connecting rod, and a second handle. One end of the connecting rod is hinged to the second fixed seat, and the other end of the connecting rod is provided with a pressure rod. The pressure rod is perpendicular to the connecting rod and is used to abut against the top wall of the inner plate. The end of the second handle is hinged to the second fixed seat, and the middle of the second handle is provided with a hinge connecting the connecting rod. Turning the second handle can drive the connecting rod to flip and make the pressure rod move away from or closer to the inner plate.

10. A welding clamping platform according to claim 9, characterized in that, The connecting rod is provided with a sliding groove, one end of the pressure rod is installed on the sliding groove by bolts and nuts, and the other end of the pressure rod is used to abut against the inner plate.

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