Welding jig

Abstract

The embodiment of the utility model discloses a welding jig which comprises a first clamping assembly and a second clamping assembly, and the first clamping assembly is provided with a clamping space and a welding position. The second clamping assembly is arranged in the clamping space, and a first clamping position used for fixing a first welding piece is defined by the second clamping assembly and the first clamping assembly; the second clamping assembly is provided with an airflow channel used for communicating with the clamping space and a second clamping position used for fixing a second welding piece and making the second welding piece abut against the first welding piece. The abutting position of the second welding piece and the first welding piece corresponds to the welding position. And through the internal and external clamping effect of the first clamping assembly and the second clamping assembly on the side plates and the protection effect of the protection gas, the welding quality during welding can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery processing, in particular to a welding jig. Background Art

[0002] The battery casing includes a shell, a cover plate and other structures. The shell manufacturing methods are divided into extrusion and stretching forming processes and welding forming processes. The welded shell structure includes side panels and a bottom plate. The welding accuracy between the bottom plate and the side panels cannot be ignored. Finished products with low welding accuracy cannot be put into market applications, which not only wastes costs, but also leads to a bad reputation due to the low yield rate.

[0003] The welding jig in the related art cannot effectively protect the welding position between the side plate and the bottom plate when welding the side plate and the bottom plate, which can easily cause the welding position between the side plate and the bottom plate to deform, resulting in low welding quality. Utility Model Content

[0004] Based on this, it is necessary to propose a welding fixture that can improve welding quality in response to the above problems.

[0005] The utility model provides a welding fixture for clamping a first welding part and a second welding part for welding, comprising:

[0006] A first clamping assembly, wherein the first clamping assembly is provided with a clamping space and a welding position;

[0007] A second clamping assembly, wherein the second clamping assembly is arranged in the clamping space, and the second clamping assembly and the first clamping assembly enclose a first clamping position for fixing the first welding part; the second clamping assembly is provided with an air flow channel for connecting the clamping space and a second clamping position for fixing the second welding part and making the second welding part abut against the first welding part; the abutment between the second welding part and the first welding part is arranged corresponding to the welding position.

[0008] In some embodiments, the first clamping assembly includes a first positioning plate, a second positioning plate, a first clamping plate and a second clamping plate, the first positioning plate and the first clamping plate are arranged opposite to each other, the second positioning plate and the second clamping plate are arranged opposite to each other, and the first positioning plate, the second positioning plate, the first clamping plate and the second clamping plate are surrounded to form the clamping space.

[0009] In some embodiments, the first clamping plate can be movably disposed toward or away from the first positioning plate, and the second clamping plate can be movably disposed toward or away from the second positioning plate.

[0010] In some embodiments, the second positioning plate is located between the first positioning plate and the first clamping plate, a first driving member is disposed on the second positioning plate, and the first clamping plate is connected to a driving end of the first driving member;

[0011] The welding jig further comprises a supporting member, on which a second driving member is arranged, a driving end of the second driving member can move toward or away from the second positioning plate, and the second clamping plate is connected to the driving end of the second driving member.

[0012] In some embodiments, the second clamping assembly includes an internal support structure and an end cover, wherein the internal support structure is arranged in the clamping space, and the internal support structure has an internal support block, wherein the first clamping position is formed between the internal support block and the first positioning plate, the second positioning plate, the first clamping plate and the second clamping plate, and the second clamping position is formed between the internal support block and the end cover.

[0013] In some embodiments, the internal support structure also includes a connecting portion, one end of the internal support block is connected to the connecting portion, a plurality of magnetic parts are embedded in the end of the internal support block facing away from the connecting portion, and the end cover is made of magnetic material so that the end cover can be adsorbed on the internal support block; the airflow channel is arranged on the internal support block.

[0014] In some embodiments, the internal support structure also includes a mounting portion, one end of the mounting portion is connected to the connecting portion, and the other end of the mounting portion is connected to the internal support block. A jacking drive component is provided on the mounting portion, and a driving end of the jacking drive component is connected to the jacking block. The jacking drive component can drive the jacking block to move relative to the internal support block.

[0015] In some embodiments, a shell driving member is also included, and the second clamping assembly is connected to the driving end of the shell driving member through a lifting plate, the first welding member can be overlapped on the lifting plate, and the shell driving member can drive the first welding member and the second clamping assembly to move to the welding position.

[0016] In some embodiments, a base is further included, the base includes a rotating assembly and a supporting assembly, the rotating assembly has a rotatable rotating platform, the supporting assembly can be connected to the rotating platform, and the first clamping assembly is connected to the supporting assembly.

[0017] In some embodiments, the rotating assembly further includes a fixing plate and a motor disposed on the fixing plate, the rotating platform is connected to an output end of the motor, and the motor can drive the rotating platform to rotate;

[0018] The support assembly comprises a lower mounting plate and an upper mounting plate which are spaced apart, a plurality of support columns are fixedly connected between the lower mounting plate and the upper mounting plate, the driving member is connected to the lower mounting plate, and the lower mounting plate is connected to the rotating platform.

[0019] The following beneficial effects are achieved by using the embodiments of the present invention:

[0020] According to the welding fixture in the above embodiment, the first clamping assembly and the second clamping assembly are provided to limit the side plate and the bottom plate, so as to clamp and limit the side plate and the bottom plate, so as to perform welding operation on the welding position between the two welding parts. Moreover, the second clamping assembly can also cooperate with the first clamping assembly to clamp the welding position of the side plate to form an internal and external clamping structure, which can increase the stability of the side plate and the bottom plate at the position to be welded, making it less likely to deform during the welding process, thereby increasing the welding accuracy and the yield rate of the welding forming process.

[0021] In addition, when welding the side plate and the bottom plate, a protective gas may be introduced into the air flow channel so that the protective gas fills the welding position between the bottom plate and the side plate.

[0022] Therefore, the welding quality can be improved through the internal and external clamping effect of the first clamping assembly and the second clamping assembly on the side plate and the protective effect of the shielding gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] in:

[0025] Figure 1 A schematic structural diagram of the side plate and the bottom plate of the battery housing provided by the utility model is shown;

[0026] Figure 2 An exploded view of a welding jig provided according to the utility model is shown;

[0027] Figure 3 A structural schematic diagram of a welding jig provided according to the utility model is shown;

[0028] Figure 4 Another structural schematic diagram of a welding jig provided according to the utility model is shown;

[0029] Figure 5 A cross-sectional view of the inner support structure provided by the utility model is shown;

[0030] Figure 6 A cross-sectional view of a welding jig provided according to the utility model is shown.

[0031] Description of main component symbols:

[0032] 1. Base; 11. Rotating assembly; 111. Fixing plate; 112. Rotating platform; 113. Motor; 12. Support assembly; 121. Lower mounting plate; 1211. Through slot; 122. Support column; 123. Upper mounting plate; 2. First clamping assembly; 20. Reinforcing plate; 21. First positioning plate; 211. First abutting plate; 212. First mounting plate; 22. Shell driving member; 221. Lifting plate; 23. First clamping plate; 24. First driving member; 2 5. Second positioning plate; 251. Second abutment plate; 252. Second mounting plate; 26. Second clamping plate; 27. Second driving member; 28. Support member; 29. ​​Clamping space; 3. Second clamping assembly; 31. Internal support structure; 311. Internal support block; 3111. Magnetic member; 3112. Air outlet; 3113. Air inlet; 3114. Air flow channel; 312. Connecting part; 313. Mounting part; 32. Lifting driving member; 321. Lifting block; 33. End cover. DETAILED DESCRIPTION

[0033] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the accompanying drawings. The accompanying drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0034] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0036] The utility model provides a welding jig for clamping a first welding part and a second welding part during welding. For example, in a specific application scenario, the welding jig provided by the present application can be applied to the field of battery processing to clamp various welding parts during battery shell processing. Specifically, the battery shell includes a shell and a cover plate, and the shell has a side plate and a bottom plate. In the present application, the material for clamping the battery shell welding, that is, the side plate and the bottom plate, is used as an example for explanation. In this way, the first welding part is the side plate of the battery shell, and the second welding part is the bottom plate of the battery shell.

[0037] like Figure 1 As shown, Figure 1 It is the specific shape of the side plate and the bottom plate, where structure A is the side plate and structure B is the bottom plate. The side plate is generally square and hollow, with openings at opposite ends of the side plate, so that the side plate forms a square tube. The bottom plate needs to be welded to an opening of the side plate, and the four side walls of the bottom plate and the four sides of the opening of the side plate are welded to seal the opening. Therefore, the outer dimensions of the bottom plate need to match the shape and dimensions of the side plate enclosure.

[0038] In one embodiment, see Figure 2 The welding fixture includes a first clamping component 2 and a second clamping component 3, wherein the second clamping component 3 can be used to clamp the bottom plate and can also cooperate with the first clamping component 2 to clamp the side plate.

[0039] Specifically, the first clamping assembly 2 has a clamping space 29 for limiting the position of the side panel and a welding position. It should be noted that in order to limit the position of the side panel, the shape and size of the inner peripheral wall of the clamping space 29 need to be set to match the outer size of the side panel to limit the position stability of the side panel at the welding position.

[0040] The second clamping assembly 3 is arranged in the clamping space 29, and the second clamping assembly 3 and the first clamping assembly 2 enclose a first clamping position for fixing the side panel. The second clamping assembly 3 is provided with an air flow channel 3114 for connecting the clamping space 29 and a second clamping position for fixing the bottom panel and making the bottom panel abut against the side panel; the abutment between the bottom panel and the side panel corresponds to the welding position.

[0041] By setting the first clamping assembly 2 and the second clamping assembly 3, the side plate and the bottom plate are limited, and the side plate and the bottom plate are clamped and limited, so that the welding position between the two welded parts can be welded. Specifically, the second clamping assembly 3 uses the second clamping position to fix the bottom plate, and the second clamping assembly 3 can also cooperate with the first clamping assembly 2 to form the first clamping position, and the side plate can be confined in the first clamping position. The first clamping assembly 2 and the second clamping assembly 3 form an internal and external clamping structure for the side plate to clamp the side plate in the middle, which can increase the stability of the side plate and the bottom plate in the position to be welded, making it less likely to deform during the welding process, thereby increasing the welding accuracy and the yield rate of the welding forming process.

[0042] In addition, when welding the side panel and the bottom panel, a protective gas can be introduced into the air flow channel 3114 so that the protective gas fills the first clamping position. The protective gas can flow to the welding position between the bottom panel and the side panel in the first clamping position to protect the welding position of the bottom panel and the side panel.

[0043] Therefore, the welding quality can be improved through the internal and external clamping effect of the first clamping assembly 2 and the second clamping assembly 3 on the side plate and the protective effect of the shielding gas.

[0044] In one embodiment, see Figures 2 to 4 The first clamping assembly 2 includes a first positioning plate 21, a second positioning plate 25, a first clamping plate 23 and a second clamping plate 26. The first positioning plate 21 and the first clamping plate 23 are arranged opposite to each other, and the second positioning plate 25 and the second clamping plate 26 are arranged opposite to each other. A clamping space 29 is formed between the first positioning plate 21, the second positioning plate 25, the first clamping plate 23 and the second clamping plate 26. The shape and size of the clamping space 29 are adapted to the outer dimensions of the side plate. Of course, in some other embodiments, the shape and size of the clamping space 29 need to be adapted to the outer dimensions of the side plate, which will not be described in detail here.

[0045] By setting the first positioning plate 21, the second positioning plate 25, the first clamping plate 23 and the second clamping plate 26, and by setting the positional relationship between the four plates, a clamping space 29 for limiting the position can be formed, so that the position of the side plate can be limited so that it can be confined to the welding position.

[0046] In a specific embodiment, the first positioning plate 21 and the second positioning plate 25 are both fixedly arranged, the first clamping plate 23 can be movably arranged toward or away from the first positioning plate 21, and the second clamping plate 26 can be movably arranged toward or away from the second positioning plate 25. The first clamping plate 23 and the second clamping plate 26 are movably arranged, so that the size of the clamping space 29 can be expanded by driving the first clamping plate 23 away from the first positioning plate 21 and driving the second clamping plate 26 away from the second positioning plate 25, so as to place the side plate in the clamping space 29. After the side plate is placed in the clamping space 29, the position of the side plate is limited by driving the first clamping plate 23 close to the first positioning plate 21 and driving the second clamping plate 26 close to the second positioning plate 25.

[0047] It is foreseeable that when the side panel is placed in the expanded clamping space 29, the two adjacent outer walls of the side panel can respectively abut against the first positioning plate 21 and the second positioning plate 25. By driving the first clamping plate 23 and the second clamping plate 26 to move toward the corresponding outer wall of the side panel, the first clamping plate 23 and the second clamping plate 26 can also abut against the outer wall of the side panel.

[0048] Specifically, according to the square structure of the side plate, the first positioning plate 21 and the first clamping plate 23 are arranged in parallel, the second positioning plate 25 and the second clamping plate 26 are arranged in parallel, and the angle between the first positioning plate 21 and the second positioning plate 25 is set to a right angle. The first positioning plate 21 is arranged at one end close to the second positioning plate 25, and the other end of the second positioning plate 25 is provided with a first driving member 24, the first driving member 24 is fixedly connected to the side wall of the second positioning plate 25 facing away from the clamping space 29, and the driving end of the first driving member 24 can move toward or away from the first positioning plate 21, and the first clamping plate 23 is fixedly connected to the driving end of the first driving member 24 by screws.

[0049] The welding jig also includes a fixed support member 28 , and a second driving member 27 is provided at one end of the support member 28 away from the base 1 . The driving end of the second driving member 27 can move toward or away from the second positioning plate 25 , and the second clamping plate 26 is connected to the driving end of the second driving member 27 .

[0050] The first driving member 24 and the second driving member 27 can be provided to drive the first clamping plate 23 and the second clamping plate 26 to move. It should be noted that the first driving member 24 and the second driving member 27 can be but are not limited to cylinders.

[0051] In one embodiment, the second clamping assembly 3 includes an internal support structure 31 and an end cover 33. The internal support structure 31 can be movably arranged in the clamping space 29. It is worth mentioning here that because the side panel is adapted to the clamping space 29, the outer wall of the side panel needs to be respectively abutted and fitted with the two clamping plates and two positioning plates of the first clamping assembly 2, and the side panel is a hollow structure. Therefore, the internal support structure 31 needs to be set to be able to be accommodated in the internal space of the side panel.

[0052] Specifically, the inner support structure 31 has an inner support block 311, which is configured to have at least four side walls, each of which corresponds to one of the first positioning plate 21, the second positioning plate 25, the first clamping plate 23 and the second clamping plate 26. There is a predetermined gap between the side wall of the inner support block 311 and the first positioning plate 21, the second positioning plate 25, the first clamping plate 23 and the second clamping plate 26 to form an annular space, which is the first clamping position. The end of the side plate close to the welding position can be clamped and adapted in the space. When the side plate is located in the space, the first positioning plate 21, the second positioning plate 25, the first clamping plate 23 and the second clamping plate 26 abut against the outer wall of the side plate, and the inner support block 311 abuts against the inner wall of the side plate, forming a structure for clamping the side plate inside and outside.

[0053] Preferably, the inner support block 311 is a rectangular structural block, and the outer peripheral shape and size of the inner support block 311 are adapted to the inner wall shape and size of the side plate, so that the four peripheral walls of the inner support block 311 can be correspondingly fitted on the inner wall of the side plate.

[0054] The top wall of the inner support block 311 connected to the side wall can form a second clamping position with the end cover 33, so that the bottom plate can be fixed between the inner support block 311 and the end cover 33. It should be noted that the top wall of the inner support block 311 here refers to the end wall facing away from the connecting portion 312 mentioned below.

[0055] Specifically, the bottom plate can overlap on the top wall of the inner support block 311, and the outer peripheral surface of the inner support block 311 is flush with the bottom plate, or the size of the outer peripheral surface of the inner support block 311 is slightly smaller than the size of the outer periphery of the bottom plate, so that when the bottom plate is overlapped on the inner support block 311, the edge of the bottom plate that needs to be welded (i.e., the circumferential side edge) can be flush with the side wall of the inner support block 311, or preferably protrude from the side wall of the inner support block 311, so as to ensure that the inner support block 311 will not affect the welding of the side plate and the bottom plate.

[0056] It should be noted that the inner support structure 31 also includes a connecting portion 312, the inner support block 311 can be connected to the connecting portion 312, and a plurality of magnetic parts 3111 are embedded at one end of the inner support block 311 facing away from the connecting portion 312, and the end cover 33 is made of a magnetic material, so that the end cover 33 can be adsorbed on the inner support block 311. By setting the magnetic parts 3111 and the material of the end cover 33, the end cover 33 and the inner support block 311 can be connected by magnetic attraction to clamp the bottom plate. Such a structure is simpler and can avoid adding a connecting structure at the position where the bottom plate and the side plate are welded, thereby avoiding affecting the welding between the bottom plate and the side plate.

[0057] The magnetic part 3111 can be a magnet or the magnetic part 3111 is preferably an electromagnet. When the electromagnet is energized, the end cover 33 can be adsorbed. The magnetism of the electromagnet is controllable. When the end cover 33 is covered on the inner support block 311, the bottom plate can be clamped and then energized to adsorb the end cover 33. This can avoid the problem of the bottom plate position displacement caused by sudden adsorption.

[0058] In a specific embodiment, an air flow channel 3114 is provided inside the inner support block 311, and an air inlet 3113 and an air outlet 3112 are also provided on the inner support block 311 to connect the air flow channel 3114 to the outside, the air inlet 3113 can be connected to an external air source, and the protective gas of the external air source can flow into the air flow channel 3114 through the air inlet 3113. The air outlet 3112 is provided on the end surface of the inner support plate facing away from the connecting portion 312, and the protective gas can flow out from the air outlet 3112 to the second welding position, and can flow to the welding positions of the side plate and the bottom plate.

[0059] By setting the air inlet 3113, the air flow channel 3114 and the air outlet 3112, a gas flow channel can be formed. When the air inlet 3113 is an external gas source, the protective gas provided by the gas source can flow through the channel to the welding position of the side plate and the bottom plate to protect the welding and increase the yield rate of the welding forming process.

[0060] In addition, in a specific embodiment, the internal support structure 31 also includes a mounting portion 313, one end of the mounting portion 313 is connected to the connecting portion 312, and the other end of the mounting portion 313 is spaced apart from two internal support blocks 311, and a jacking drive member 32 is provided on the mounting portion 313, and a driving end of the jacking drive member 32 is connected to a jacking block 321, and the jacking drive member 32 can drive the jacking block 321 to move toward or away from the gap between the two internal support blocks 311, and the jacking drive member 32 can drive the jacking block 321 to enter the gap between the two internal support blocks 311.

[0061] The bottom plate can be erected between the two inner support blocks 311, and the end cover 33 can overlap the two inner support blocks 311 to clamp the bottom plate. By driving the lifting block 321, the lifting block 321 can be moved into the gap between the two inner support blocks 311, and the lifting block 321 can abut on the bottom plate, and at this time, the lifting block 321 can cooperate with the end cover 33 to clamp the middle structure of the bottom plate.

[0062] By providing the lifting drive member 32 and the lifting block 321 , the lifting drive member 32 drives the lifting block 321 to press the middle position of the bottom plate against the end cover 33 , thereby achieving full clamping and positioning of the bottom plate.

[0063] In one embodiment, the side plate and the second clamping assembly 3 are both capable of moving in a predetermined direction within the clamping space 29, and the side plate and the second clamping assembly 3 are configured to be capable of moving simultaneously within the clamping space 29. Figure 2 or Figure 6 , the direction from H to L, or from L to H is the moving direction of the side plate and the second clamping assembly 3. In this moving direction, the side plate has a welding position and a clamping position, please refer to Figure 6 , that is, the side panel is in the welding position, and when the side panel moves from H to L, it can reach the clamping position.

[0064] In a specific embodiment, please refer to Figures 2 to 6 In order to realize the movement of the side plate and the second clamping assembly 3, the first clamping assembly 2 further includes a housing driving member 22, and the housing driving member 22 is preferably a cylinder. The driving end of the housing driving member 22 can move along the path of the clamping space 29, and the driving end of the housing driving member 22 can extend into the clamping space 29.

[0065] A lifting plate 221 is provided on the driving end of the housing driving member 22. The size of the lifting plate 221 is smaller than the size of the clamping space 29, so that the housing driving member 22 can drive the lifting plate 221 to enter the clamping space 29. The second clamping assembly 3 can be connected to the lifting plate 221, specifically connected to the lifting plate 221 through a connecting portion 312. The end of the connecting portion 312 away from the inner support block 311 can be fixedly connected to the lifting plate 221 by screws.

[0066] In the initial state, the lifting plate 221 is located at the clamping position, and the side plate can be clamped from the outside into the clamping space 29 and can be overlapped on the lifting plate 221. In order to stabilize the position of the side plate relative to the lifting plate 221, it is preferred to set the outer dimensions of the lifting plate 221 to match the shape and dimensions of the clamping space 29. By driving the lifting plate 221, the side plate and the second clamping assembly 3 can be driven to move between the clamping position and the welding position.

[0067] By setting the second clamping assembly 3 to be movable with the side panel in the clamping space 29, when the side panel is located at the clamping position, the inner support block 311 is also located at the clamping position. At this time, the bottom panel can be placed in the clamping space 29 first, and the outer dimensions of the bottom panel are adapted to the shape and dimensions of the clamping space 29. The clamping space 29 can be used to define the position between the bottom panel and the side panel, so that the welding positions between the bottom panel and the side panel can correspond one to one and be neat, and then the bottom panel can be fixed by the second clamping assembly 3. In this way, the clamping space 29 formed by the first clamping assembly 2 can make the positioning between the bottom panel and the side panel more accurate, and then the bottom panel is fixed by the second clamping assembly 3, so that the position between the bottom panel and the side panel is more stable, which can increase the yield rate of the bottom panel and side panel welding forming process, and the structure is simple and the manufacturing cost is low.

[0068] In one embodiment, the welding jig further includes a base 1, which serves as a supporting structure of the entire welding jig, and the first clamping assembly 2 and the second clamping assembly 3 clamp the side plate and the bottom plate based on the base 1. The base 1 has a mounting plane, and the first positioning plate 21, the second positioning plate 25 and the support member 28 are all fixedly connected to the mounting plane.

[0069] Specifically, the first positioning plate 21 includes an integrally formed first abutment plate 211 and a first mounting plate 212, which are arranged at a right angle thereto. The second positioning plate 25 includes an integrally formed second abutment plate 251 and a second mounting plate 252, which are arranged at a right angle thereto.

[0070] The first positioning plate 21 is fixedly connected to the mounting plane via the first mounting plate 212, and the second positioning plate 25 is fixedly connected to the mounting plane via the second mounting plate 252. A bending portion is provided at one end of the support member 28 away from the second driving member 27, and the support member 28 is fixedly connected to the mounting plane via the bending portion.

[0071] In order to increase the strength between the first mounting plate 212 and the first abutting plate 211 , a reinforcing plate 20 is connected between the first mounting plate 212 and the first abutting plate 211 . Similarly, a reinforcing plate 20 is also connected between the second mounting plate 252 and the second abutting plate 251 .

[0072] The first positioning plate 21 and the second positioning plate 25 are fixed on the installation plane, so that a limiting structure can be formed on the plane where the first positioning plate 21 and the plane where the second positioning plate 25 are located to limit the side plate.

[0073] It is worth mentioning that the first positioning plate 21, the first clamping plate 23, the second positioning plate 25 and the second clamping plate 26 are all provided with end grooves (not shown in the figure) at one end away from the mounting plane, and all the end grooves are arranged on the side of the corresponding plate facing away from the clamping space 29. By providing the end grooves, the thickness of the first positioning plate 21, the first clamping plate 23, the second positioning plate 25 and the second clamping plate 26 at one end away from the mounting plane can be made smaller than the thickness at one end close to the mounting plane, which is beneficial to the welding operation.

[0074] In a specific embodiment, the base 1 includes a rotating component 11 and a supporting component 12, the rotating component 11 has a rotatable rotating platform 112, the supporting component 12 can be connected to the rotating platform 112, and part of the structure of the first clamping component 2 and the driving component (i.e., the shell driving component 22) are connected to the supporting component 12.

[0075] Specifically, the rotating assembly 11 further includes a fixing plate 111 and a motor 113 disposed on the fixing plate 111 . The rotating platform 112 is connected to an output end of the motor 113 . The motor 113 can drive the rotating platform 112 to rotate.

[0076] By setting up the rotating component 11, the motor 113 of the rotating component 11 can drive the rotating platform 112 to rotate, and the supporting component 12 is connected to the rotating platform 112 to drive the supporting component 12 to rotate. When the supporting component 12 rotates, it can drive the rotation of the bottom plate and the side plate. By rotating a predetermined angle, the welding position between the bottom plate and the side plate can be changed, and the bottom plate and the side plate can be welded in all directions.

[0077] In a specific embodiment, the support assembly 12 includes a lower mounting plate 121 and an upper mounting plate 123 that are spaced apart, and a plurality of support columns 122 are fixedly connected between the lower mounting plate 121 and the upper mounting plate 123, and a stable support structure is formed between the lower mounting plate 121, the upper mounting plate 123, and the plurality of support columns 122. The lower mounting plate 121 is fixedly connected to the rotating platform 112, and the housing drive member 22 mentioned above is fixedly connected to the lower mounting plate 121.

[0078] One end surface of the upper mounting plate 123 facing away from the lower mounting plate 121 is the mounting plane mentioned above. The upper mounting plate 123 has a through slot 1211 passing through it at a position corresponding to the clamping space 29. The shell driving member 22 is installed at a position corresponding to the through slot 1211 on the lower mounting plate 121, and the lifting plate 221 connected to the driving end of the shell driving member 22 is configured to be able to pass through the through slot.

[0079] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0080] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent application. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A welding fixture, used for clamping a first welding part and a second welding part for welding operation, characterized in that: include: A first clamping assembly (2), wherein the first clamping assembly (2) is provided with a clamping space (29) and a welding position; A second clamping assembly (3), wherein the second clamping assembly (3) is arranged in the clamping space (29), and the second clamping assembly (3) and the first clamping assembly (2) enclose a first clamping position for fixing the first welding part; the second clamping assembly (3) is provided with an air flow channel (3114) for connecting to the clamping space (29) and a second clamping position for fixing the second welding part and making the second welding part abut against the first welding part; the abutment between the second welding part and the first welding part is arranged corresponding to the welding position.

2. The welding jig according to claim 1, characterized in that: The first clamping assembly (2) includes a first positioning plate (21), a second positioning plate (25), a first clamping plate (23) and a second clamping plate (26); the first positioning plate (21) and the first clamping plate (23) are arranged opposite to each other, the second positioning plate (25) and the second clamping plate (26) are arranged opposite to each other, and the first positioning plate (21), the second positioning plate (25), the first clamping plate (23) and the second clamping plate (26) are surrounded to form the clamping space (29).

3. The welding jig according to claim 2, characterized in that: The first clamping plate (23) can be movably disposed toward or away from the first positioning plate (21), and the second clamping plate (26) can be movably disposed toward or away from the second positioning plate (25).

4. The welding jig according to claim 3, characterized in that: The second positioning plate (25) is located between the first positioning plate (21) and the first clamping plate (23), a first driving member (24) is provided on the second positioning plate (25), and the first clamping plate (23) is connected to a driving end of the first driving member (24); The welding jig further comprises a support member (28), on which a second driving member (27) is arranged, wherein a driving end of the second driving member (27) is capable of moving toward or away from the second positioning plate (25), and the second clamping plate (26) is connected to the driving end of the second driving member (27).

5. The welding jig according to claim 2, characterized in that: The second clamping assembly (3) comprises an inner support structure (31) and an end cover (33); the inner support structure (31) is arranged in the clamping space (29); the inner support structure (31) has an inner support block (311); the first clamping position is formed between the inner support block (311) and the first positioning plate (21), the second positioning plate (25), the first clamping plate (23) and the second clamping plate (26); the second clamping position is formed between the inner support block (311) and the end cover (33).

6. The welding jig according to claim 5, characterized in that: The inner support structure (31) also includes a connecting portion (312), one end of the inner support block (311) is connected to the connecting portion (312), a plurality of magnetic parts (3111) are embedded in the end of the inner support block (311) facing away from the connecting portion (312), and the end cover (33) is made of a magnetic material so that the end cover (33) can be adsorbed on the inner support block (311); the air flow channel (3114) is provided on the inner support block (311).

7. The welding jig according to claim 6, characterized in that: The inner support structure (31) also includes a mounting portion (313), one end of the mounting portion (313) is connected to the connecting portion (312), and the other end of the mounting portion (313) is connected to the inner support block (311). A lifting drive component (32) is provided on the mounting portion (313), and a driving end of the lifting drive component (32) is connected to a lifting block (321). The lifting drive component (32) can drive the lifting block (321) to move relative to the inner support block (311).

8. The welding jig according to any one of claims 1 to 7, characterized in that: The invention also comprises a shell driving member (22), wherein the second clamping assembly (3) is connected to the driving end of the shell driving member (22) via a lifting plate (221), the first welding member can be overlapped on the lifting plate (221), and the shell driving member (22) can drive the first welding member and the second clamping assembly (3) to move to the welding position.

9. The welding jig according to claim 8, characterized in that: It also includes a base (1), the base (1) includes a rotating component (11) and a supporting component (12), the rotating component (11) has a rotatable rotating platform (112), the supporting component (12) can be connected to the rotating platform (112), and the first clamping component (2) is connected to the supporting component (12).

10. The welding jig according to claim 9, characterized in that: The rotating assembly (11) further comprises a fixing plate (111) and a motor (113) arranged on the fixing plate (111); the rotating platform (112) is connected to an output end of the motor (113); and the motor (113) is capable of driving the rotating platform (112) to rotate; The support assembly (12) comprises a lower mounting plate (121) and an upper mounting plate (123) which are arranged at intervals, a plurality of supporting columns (122) are fixedly connected between the lower mounting plate (121) and the upper mounting plate (123), the driving member is connected to the lower mounting plate (121), and the lower mounting plate (121) is connected to the rotating platform (112).

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