A welding tool and a welding processing method of a cabinet

Abstract

The application discloses a welding tool and a welding processing method of a cabinet, relates to the technical field of cabinet welding fixing, and comprises a workbench, a supporting plate is arranged on the top of the workbench, a second motor is fixedly connected to one outer wall of the supporting plate fixedly connected to the top of the workbench, and a first rotating rod is fixedly connected to the output end of the second motor. In the application, manual clamping adjustment and secondary alignment are not needed, and the automatic opening and closing of the full-directional pressing structure can be completed through only a single action of cabinet body overturning; on the premise that the cabinet frame is stably clamped and has no relative displacement during the whole process, continuous welding operation of multi-surface cabinet plates is realized, positioning errors caused by repeated clamping are avoided, the welding forming quality of the cabinet plates is effectively ensured, auxiliary working hours of multi-surface welding are greatly reduced, the working strength of the operator is reduced, and the processing efficiency of batch welding of the cabinet is remarkably improved.

Description

Technical Field

[0001] This invention relates to the field of cabinet welding and fixing technology, and more specifically, to a welding fixture and a welding processing method for cabinets. Background Technology

[0002] In fields such as power, communications, and industrial control, cabinets are mostly formed by welding sheet metal frames and cabinet panels. The welding and clamping accuracy and processing efficiency directly affect the structural strength and production cycle of the cabinet.

[0003] Existing conventional cabinet welding fixtures mostly adopt a fixed clamping structure, which can only position and fix the cabinet frame on one side. When welding cabinet panels on different sides of the frame, it is necessary to manually loosen the fixture clamps, manually flip the cabinet frame, and then reposition and clamp it. This is not only cumbersome and time-consuming, but repeated clamping can also lead to cumulative positioning errors, causing cabinet panel misalignment, uneven weld gaps, and other problems such as welding deformation and insufficient forming accuracy, making it difficult to ensure the overall dimensional consistency and welding quality of the cabinet. At the same time, manually flipping heavy cabinet frames poses safety hazards and is physically demanding for operators, making it unsuitable for the high-efficiency welding production requirements of batch processing.

[0004] Currently, although some welding fixtures with flipping functions are in use, the clamping blocks of these fixtures are mostly fixed structures, always pressing and covering the workpiece surface. After the workpiece is flipped, the clamping blocks still obstruct the area to be welded, resulting in limited working space and poor accessibility for the welding torch. This necessitates reserving space for welding avoidance or performing multiple rework operations, severely affecting welding continuity and weld quality. Therefore, there is an urgent need for a welding fixture and a welding processing method for the cabinet to solve these problems. Summary of the Invention

[0005] In view of the problems in the related technologies, the present invention proposes a welding fixture and a welding processing method for the cabinet, so as to overcome the above-mentioned technical problems existing in the existing related technologies.

[0006] The technical solution of this invention is implemented as follows: A welding fixture includes a workbench, a support plate is provided on the top of the workbench, a second motor is fixedly connected to the outer wall of one side of the support plate fixedly connected to the top of the workbench, a first rotating rod is fixedly connected to the output end of the second motor, and a positioning component for clamping and fixing the cabinet frame and ensuring that the cabinet panel is stably welded to the outer wall of the cabinet frame is fixedly connected to one end of the first rotating rod. A rotating column is fixedly connected to one side of another positioning component, and the rotating column is rotatably connected to one side of the outer wall of another support plate. The workbench is equipped with a transverse movement assembly for adjusting the position of another support plate.

[0007] Preferably, the positioning assembly includes a first housing and a second housing, which are arranged in a cross shape. The first housing and the second housing are connected. A third motor is fixedly connected to the outer wall of one end of the first housing. A third threaded screw is fixedly connected to the output end of the third motor. A third threaded sleeve is threadedly connected to the outer circumference of the third threaded screw. A second sliding column is fixedly connected to one side of the outer wall of the third threaded sleeve. A second through groove is provided on one side of the outer wall of both the first housing and the second housing. A first rotating seat is fixedly connected to one end of the second sliding column that passes through the second through groove. Both inner walls of the moving base are rotatably connected to rotating shafts, and pressure plates are fixedly connected to the outer circumference of the rotating shafts. A fourth motor is fixedly connected to the outer wall of one end of the second housing. A second threaded screw is fixedly connected to the output end of the fourth motor. A second threaded sleeve is threadedly connected to the outer circumference of the second threaded screw. The second threaded sleeve is fixedly connected to another first rotating base through another second sliding column. The cabinet frame is clamped and fixed in the X / Y axis direction by the pressure plate on one side of the first housing, and the cabinet frame is clamped and fixed in the Z / Y axis direction by the pressure plate on one side of the second housing. A power component for driving the pressure plate of the device to rotate is provided on one side of the first housing.

[0008] Preferably, the transverse component includes a first motor fixedly connected to the outer wall of one side of the worktable, a first threaded screw fixedly connected to the output end of the first motor, a first threaded sleeve threadedly connected to the outer circumference of the first threaded screw, a first sliding column fixedly connected to the top of the first threaded sleeve, a first through groove opened on the top of the worktable, and one end of the first sliding column passing through the first through groove fixedly connected to another support plate.

[0009] Preferably, a first guide post is fixedly connected to the inner walls of both sides of the workbench, a first guide cylinder is slidably connected to the outer circumferential wall of the first guide post, a horizontal column is fixedly connected to one side of the first guide cylinder, and the other end of the horizontal column is fixedly connected to the outer wall of one side of the first threaded sleeve.

[0010] Preferably, the power assembly includes a first bevel gear fixedly connected to one end of a rotating shaft, a second rotating seat fixedly connected to one side of the first rotating seat, a second rotating rod rotatably connected to one side of the second rotating seat, a second bevel gear fixedly connected to one end of the second rotating rod, and the first bevel gear and the second bevel gear meshing with each other.

[0011] Preferably, a second guide post is fixedly connected to one side of the outer wall of the first housing, and a second guide cylinder is fixedly connected to one side of the outer wall of the second rotating seat. One end of the second guide post passes through the inside of the second guide cylinder, and one end of the second rotating rod passes through the inside of the second guide cylinder.

[0012] Preferably, a gear post is fixedly connected to one end of the second rotating rod that passes through the inside of the second guide cylinder, a reinforcing post is fixedly connected to one side of the outer wall of the support plate, a connecting rod is fixedly connected to one end of the reinforcing post, a first outer ring frame and a first inner ring frame are fixedly connected to one side of the outer wall of the connecting rod, teeth are provided on the inner circumference of the first outer ring frame, and another tooth is provided on the outer circumference of the first inner ring frame. The gear post meshes with the teeth, and the teeth provided on the outer wall of the first inner ring frame and the teeth provided on the inner wall of the first outer ring frame are located on the left and right sides of the first housing, respectively.

[0013] Preferably, a second outer ring frame and a second inner ring frame are fixedly connected to one side of the connecting rod, and the gear column located on one side of the second housing meshes with the teeth on the inner wall of the second outer ring frame and the teeth on the outer wall of the second inner ring frame.

[0014] Preferably, a connecting block is fixedly connected to one side of the outer wall at the intersection of the first housing and the second housing, and one side of the outer wall of the connecting block abuts against one side of the outer wall of the cabinet frame.

[0015] A welding process for a server rack, using a welding fixture described in the above embodiments, includes the following steps: S1: Based on the axial length of the cabinet frame to be processed, drive the transverse component to move the movable side support plate along the worktable, adjust the distance between the two sets of positioning components, and complete the pre-adjustment of the tooling clamping span. S2: Place the cabinet frame axially between the two sets of positioning components, so that the side wall of the end of the cabinet frame abuts against the connecting block to complete the initial positioning. Start the third motor and the fourth motor to drive the pressure plate in the corresponding direction to move towards each other, clamping and fixing the cabinet frame on the positioning components from multiple dimensions. S3: Assemble the cabinet panel to the corresponding welding position on the outer wall of the cabinet frame and complete the welding of the weld seam on that side. Start the second motor to drive the positioning component to rotate the cabinet frame circumferentially. During the rotation process, the power component drives the pressure plate on the side to be welded to automatically tilt up to avoid it, and the pressure plate on the side that has been welded to automatically reset and clamp it. The welding operation of the cabinet panels on each side of the cabinet frame is completed in sequence. S4: After all cabinet panels are welded, drive each set of clamping plates to retract outward to release the clamping on the cabinet frame. Expand the distance between the two sets of positioning components through the transverse moving component, and take out the welded cabinet.

[0016] The beneficial effects of this invention are: This invention provides a welding fixture and a welding method for a cabinet. Through an automatic opening and closing power assembly for the clamping plate, linked to the flipping action, the clamping plate can automatically avoid and reset during the circumferential flipping of the cabinet frame. When the second motor drives the positioning assembly to flip with the cabinet frame as a whole, the outer ring frame, inner ring frame, and teeth fixed to the side of the support plate remain stationary. The gear column, rotating synchronously with the positioning assembly, sequentially meshes with the teeth on the inner wall of the outer ring frame and the outer wall of the inner ring frame. Through the transmission of the second rotating rod, the second bevel gear, and the first bevel gear, the clamping plate on the side to be welded automatically rotates and tilts open, preventing the clamping plate from obstructing the weld area. This system ensures that the welding torch has ample working space and accessibility, while automatically rotating and resetting the clamping plate on the welded side to re-clamp the cabinet frame stably. The entire process requires no manual loosening, adjustment, or secondary alignment. The automatic opening and closing of the omnidirectional clamping structure is achieved through a single action of cabinet flipping. Under the premise that the cabinet frame remains stably clamped without relative displacement, continuous welding of multiple cabinet panels can be achieved. This avoids positioning errors caused by repeated clamping, effectively ensures the welding quality of each cabinet panel, significantly reduces auxiliary time for multi-sided welding, reduces the workload of operators, and significantly improves the processing efficiency of batch welding of cabinets.

[0017] This invention provides a welding fixture and a welding method for a cabinet. Through a cross-shaped positioning assembly, the cabinet frame can be stably clamped and positioned from multiple dimensions. The first and second housings, arranged in a cross shape, each have independently driven clamping structures. A third motor, through a third threaded screw and a third threaded sleeve, drives the clamping plates in the X / Y axes to move and clamp. A fourth motor, through a second threaded screw and a second threaded sleeve, drives the clamping plates in the Z / Y axes to move and clamp. Combined with the reference abutment positioning of the connecting block at the intersection, the translational and rotational degrees of freedom of the cabinet frame are completely restricted, ensuring stable and reliable clamping. This effectively avoids problems such as cabinet frame displacement and deformation during welding, guaranteeing the welding alignment accuracy between the cabinet panel and the frame. Furthermore, the clamping distance between the two sets of clamping plates can be independently adjusted, adapting to the processing of cabinet frames with various cross-sectional dimensions. The clamping adjustment is flexible and convenient. The guiding structure of the second guide post and the second guide cylinder ensures accurate and unbiased displacement of the clamping plates, resulting in uniform clamping force and preventing indentation damage to the workpiece surface.

[0018] This invention provides a welding fixture and a welding method for cabinets. Through a lateral movement component, the spacing between two sets of positioning components can be flexibly adjusted according to the axial length of the cabinet frame to be processed. A first motor drives a first threaded screw to rotate, causing a first threaded sleeve to move smoothly along the axial direction. This, in turn, pushes a movable side support plate to move along the length of the worktable via a first sliding column. Combined with the sliding guide structure of the first guide column and the first guide cylinder, this effectively avoids skewing and jamming during the translation of the support plate, ensuring the straightness and positional accuracy of the spacing adjustment. It can adapt to the clamping requirements of cabinet frames of different lengths, effectively broadening the applicability of the fixture. It eliminates the need for customized fixtures for different sized cabinet frames, significantly reducing the fixture cost for cabinet welding. Furthermore, the adjustment process is highly automated and easy to operate, effectively shortening the fixture debugging time before production. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall right-side structure of the present invention.

[0021] Figure 2 This is a schematic diagram of the overall left side structure of the present invention.

[0022] Figure 3 This is a schematic diagram of the overall frontal planar structure of the present invention.

[0023] Figure 4 This is a schematic diagram of the internal structure of the workbench of the present invention.

[0024] Figure 5 This is a schematic diagram of the clamping state of the positioning component of the present invention.

[0025] Figure 6 For the present invention Figure 5 A magnified structural diagram of point A in the middle.

[0026] Figure 7 This is a schematic side view of the overall positioning component of the present invention.

[0027] Figure 8 This is a top view of the overall positioning component of the present invention.

[0028] In the picture: 1. Workbench; 2. Tabletop; 3. Support plate; 4. Cabinet frame; 5. Cabinet panel; 6. First through slot; 7. First motor; 8. Rotating column; 9. First rotating rod; 10. Second motor; 11. First outer ring frame; 12. First inner ring frame; 13. Connecting rod; 14. Reinforcing column; 15. First housing; 16. Second housing; 17. Third motor; 18. Pressure plate; 19. First threaded screw; 20. First threaded sleeve; 21. First guide cylinder; 22. Horizontal column; 23. First guide column; 24. 25. First sliding column; 26. Fourth motor; 27. Second through slot; 28. First rotating seat; 29. ​​First bevel gear; 30. Second rotating seat; 31. Second bevel gear; 32. Second guide column; 33. Second guide cylinder; 34. Second rotating rod; 35. Tooth; 36. Second outer ring frame; 37. Second inner ring frame; 38. Gear column; 39. Connecting block; 40. Second threaded screw; 41. Third threaded screw; 42. Second sliding column; 43. Third threaded sleeve. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention are within the scope of protection of the present invention.

[0030] Please see Figures 1-8 A welding fixture includes a workbench 1, a support plate 3 on the top of the workbench 1, a second motor 10 fixedly connected to the outer wall of one side of the support plate 3 fixedly connected to the top of the workbench 1, a first rotating rod 9 fixedly connected to the output end of the second motor 10, and a positioning component for clamping and fixing the cabinet frame 4 and ensuring that the cabinet panel 5 is stably welded to the outer wall of the cabinet frame 4 at one end of the first rotating rod 9. A rotating column 8 is fixedly connected to one side of another positioning component, and the rotating column 8 is rotatably connected to the outer wall of one side of another support plate 3. The workbench 1 is equipped with a transverse movement assembly for adjusting the position of another support plate 3.

[0031] Furthermore, the positioning assembly includes a first housing 15 and a second housing 16, which are arranged in a cross shape. The first housing 15 and the second housing 16 are connected. A third motor 17 is fixedly connected to the outer wall of one end of the first housing 15. A third threaded screw 40 is fixedly connected to the output end of the third motor 17. A third threaded sleeve 43 is threadedly connected to the outer circumference of the third threaded screw 40. A second sliding column 42 is fixedly connected to one side of the outer wall of the third threaded sleeve 43. A second through groove 26 is provided on one side of the outer wall of both the first housing 15 and the second housing 16. One end of the second sliding column 42, which passes through the second through groove 26, is fixedly connected to... The first rotating seat 27 has rotating shafts rotatably connected to both inner walls. A clamping plate 18 is fixedly connected to the outer circumference of each rotating shaft. A fourth motor 25 is fixedly connected to the outer wall of one end of the second housing 16. A second threaded screw 39 is fixedly connected to the output end of the fourth motor 25. A second threaded sleeve 41 is threadedly connected to the outer circumference of the second threaded screw 39. The second threaded sleeve 41 is fixedly connected to another first rotating seat 27 via another second sliding column 42. The clamping plate 18 on one side of the first housing 15 clamps and fixes the cabinet frame 4 in the X / Y axis direction, and the clamping plate 18 on one side of the second housing 16 clamps and fixes the cabinet frame 4 in the Z / Y axis direction. For clamping and fixing, a power assembly for rotating the pressure plate 18 of the driving device is provided on one side of the first housing 15. By starting the third motor 17 and the fourth motor 25, the clamping structure in the corresponding direction is driven to move. The third motor 17 drives the third threaded screw 40 to rotate, causing the third threaded sleeve 43 to move along the length direction of the first housing 15. The second sliding column 42 passing through the second through slot 26 drives the first rotating seat 27 and the pressure plate 18 to move synchronously, forming a clamping limit on the side of the cabinet frame 4 in the X / Y axis direction. The fourth motor 25 drives the second threaded screw 39 to rotate, causing the second threaded sleeve 41 to move along the length direction of the second housing 16. The corresponding second sliding column 42 drives another set of first rotating seats 27 and pressure plates 18 to move synchronously, forming a clamping limit on the side of the cabinet frame 4 from the Z / Y axis direction. The two sets of pressure plates 18, which are distributed in a cross shape, simultaneously press against the outer wall of the cabinet frame 4 from multiple dimensions. With the reference positioning function of the connecting block 38, the translation and rotational degrees of freedom of the cabinet frame 4 can be completely restricted. During the clamping process, the second guide cylinder 32 slides synchronously along the second guide column 31 with the first rotating seat 27, ensuring that the displacement path of the pressure plate 18 is accurate and without deviation. This not only ensures the positioning accuracy of the cabinet frame 4 and avoids displacement and deformation during welding, but also adapts to the processing of cabinet frames 4 with various cross-sectional dimensions. The clamping and adjustment are flexible and convenient.

[0032] Furthermore, the transverse component includes a first motor 7 fixedly connected to the outer wall of one side of the worktable 1. A first threaded screw 19 is fixedly connected to the output end of the first motor 7. A first threaded sleeve 20 is threadedly connected to the outer circumference of the first threaded screw 19. A first sliding column 24 is fixedly connected to the top of the first threaded sleeve 20. A first through groove 6 is provided on the top of the table 2. One end of the first sliding column 24, passing through the first through groove 6, is fixedly connected to another support plate 3. First guide columns 23 are fixedly connected to the inner walls of both sides of the worktable 1. A first guide cylinder 21 is slidably connected to the outer circumference of the first guide column 23. A horizontal column 22 is fixedly connected to one side of the first guide cylinder 21. The other end of the horizontal column 22 is fixedly connected to the outer wall of one side of the first threaded sleeve 20. The operator first determines the processing cabinet... The axial length of frame 4 is adjusted to adjust the spacing between the two sets of positioning components. Then, the operator starts the first motor 7 to drive the first threaded screw 19 to rotate synchronously. The first threaded sleeve 20, which is threadedly engaged with the first threaded screw 19, is displaced axially by the screw drive. This drives the first sliding column 24 on its top to slide horizontally along the first through groove 6 on the platform 2. This, in turn, pushes the movable side support plate 3, which is fixed to the first sliding column 24, to move horizontally along the length of the worktable 1. During this process, the first guide cylinder 21, which is connected to the side of the first threaded sleeve 20 through the cross column 22, slides smoothly along the first guide column 23 on the inner wall of the worktable 1. This provides precise guidance for the horizontal movement and avoids the support plate 3 from tilting or getting stuck during the horizontal movement. It can be adapted to the clamping requirements of cabinet frames 4 of different lengths and specifications, effectively expanding the applicability of the tooling.

[0033] Furthermore, the power assembly includes a first bevel gear 28 fixedly connected to one end of the rotating shaft, a second rotating seat 29 fixedly connected to one side of the first rotating seat 27, a second rotating rod 33 rotatably connected to one side of the second rotating seat 29, a second bevel gear 30 fixedly connected to one end of the second rotating rod 33, the first bevel gear 28 and the second bevel gear 30 meshing with each other, a second guide post 31 fixedly connected to one side of the outer wall of the first housing 15, a second guide cylinder 32 fixedly connected to one side of the outer wall of the second rotating seat 29, one end of the second guide post 31 passing through the inside of the second guide cylinder 32, and one end of the second rotating rod 33 passing through the inside of the second guide cylinder 32. When the welding of one cabinet panel 5 is completed and welding operations are required on the cabinet panels 5 on different sides of the cabinet frame 4, the worker starts the second motor 10 to drive the first rotating rod 9 to rotate, thereby driving the entire positioning assembly to clamp the cabinet. Frame 4 and cabinet panel 5 rotate synchronously around the axis. The positioning component on the other side is supported by the rotating column 8 to ensure that the overall force is balanced during the rotation process. During the overall rotation of the positioning component, the reinforcing column 14, connecting rod 13, first outer ring frame 11, first inner ring frame 12, second outer ring frame 35, and second inner ring frame 36 fixed on the side of the support plate 3 remain stationary. When the side of the cabinet frame 4 to be welded is rotated to face up, the gear column 37 on one side of the clamping plate 18 in the clamping state will mesh with the teeth 34 on the inner wall of the first outer ring frame 11, thereby driving the gear column 37 to rotate. Then, through the transmission of the second rotating rod 33, the second bevel gear 30, and the first bevel gear 28, the clamping plate 18 in the clamping state is quickly rotated and tilted open, avoiding the clamping plate 18 from blocking the gap and affecting the welding work of the welding gun when the cabinet frame 4 is rotated to the side to be welded.

[0034] Furthermore, a gear post 37 is fixedly connected to one end of the second rotating rod 33 that passes through the inside of the second guide cylinder 32. A reinforcing post 14 is fixedly connected to one side of the outer wall of the support plate 3. A connecting rod 13 is fixedly connected to one end of the reinforcing post 14. A first outer ring frame 11 and a first inner ring frame 12 are fixedly connected to one side of the outer wall of the connecting rod 13. A tooth 34 is provided on the inner circumference of the first outer ring frame 11, and another tooth 34 is provided on the outer circumference of the first inner ring frame 12. The gear post 37 and the tooth The teeth 34 on the outer wall of the first inner ring frame 12 and the teeth 34 on the inner wall of the first outer ring frame 11 are respectively located on the left and right sides of the first housing 15. When one side of the cabinet panel 5 and the cabinet frame 4 is flipped after welding, the gear post 37 on one side will mesh with the teeth 34 on the outer wall of the first inner ring frame 12, thereby causing the gear post 37 to flip in the opposite direction. Through the transmission of the second rotating rod 33, the second bevel gear 30 and the first bevel gear 28, the gear post 37 is in a tilted state. The clamping plate 18 is quickly reset and clamped. The outer or inner walls of the first outer ring frame 11, the first inner ring frame 12, the second outer ring frame 35, and the second inner ring frame 36 are only provided with one set of teeth 34. This ensures that only the clamping plate 18 on the welding surface is tilted and folded, while the clamping plates 18 on the other unwelded or welded sides are in a clamped state. This ensures the stability of the entire cabinet welding process. The entire process does not require manual loosening and adjustment or secondary alignment. The automatic opening and closing of the all-directional clamping structure can be completed by the single action of the second motor 10 driving the cabinet to rotate circumferentially. Under the premise that the cabinet frame 4 is stably clamped throughout the process without relative displacement, the obstruction of the weld seam area by the clamping plate 18 is eliminated, ensuring that the welding gun has sufficient working space and accessibility. This avoids the positioning error caused by repeated clamping, effectively ensures the welding alignment accuracy and forming quality of each cabinet panel 5, and greatly reduces the auxiliary time for multi-sided welding, significantly improving the batch welding processing efficiency of the cabinet.

[0035] Furthermore, a second outer ring frame 35 and a second inner ring frame 36 are fixedly connected to one side of the connecting rod 13. The gear column 37 located on one side of the second housing 16 meshes with the teeth 34 on the inner wall of the second outer ring frame 35 and the teeth 34 on the outer wall of the second inner ring frame 36.

[0036] Furthermore, a connecting block 38 is fixedly connected to one side of the outer wall at the intersection of the first housing 15 and the second housing 16. One side of the outer wall of the connecting block 38 abuts against one side of the outer wall of the cabinet frame 4. By axially placing the cabinet frame 4 between the two sets of positioning components, the end side wall of the cabinet frame 4 abuts against the end face of the connecting block 38 at the intersection of the first housing 15 and the second housing 16, which can complete the initial positioning and avoid the subsequent stable clamping work of the positioning components.

[0037] A welding process for a server rack, using a welding fixture as described in the above embodiments, includes the following steps: Step 1: Based on the axial length of the cabinet frame 4 to be processed, drive the transverse component to move the movable side support plate 3 along the worktable 1, adjust the distance between the two sets of positioning components, and complete the pre-adjustment of the tooling clamping span. Step 2: Place the cabinet frame 4 axially between the two sets of positioning components, so that the side wall of the end of the cabinet frame 4 abuts against the connecting block 38 to complete the initial positioning. Start the third motor 17 and the fourth motor 25 to drive the pressure plate 18 in the corresponding direction to move towards each other, and clamp and fix the cabinet frame 4 on the positioning components from multiple dimensions. Step 3: Assemble the cabinet panel 5 to the corresponding welding position on the outer wall of the cabinet frame 4 and complete the welding of the surface. Start the second motor 10 to drive the positioning component to rotate the cabinet frame 4 around the perimeter. During the rotation, the power component drives the pressure plate 18 on the side to be welded to automatically tilt up to avoid it, and the pressure plate 18 on the side that has been welded to automatically reset and clamp. The welding operation of the cabinet panels 5 on each side of the cabinet frame 4 is completed in sequence. Step 4: After all cabinet panels 5 are welded, drive each set of clamping plates 18 to retract outward to release the clamping on the cabinet frame 4. Expand the distance between the two sets of positioning components through the transverse moving component, and take out the welded cabinet.

[0038] In summary, with the help of the above-mentioned technical solution of the present invention, when in use, the operator first adjusts the distance between the two sets of positioning components according to the axial length of the cabinet frame 4 to be processed. Then, the operator starts the first motor 7 to drive the first threaded screw 19 to rotate synchronously. The first threaded sleeve 20, which is threadedly engaged with the first threaded screw 19, is displaced axially by the screw drive, and synchronously drives the first sliding column 24 at its top to slide horizontally along the first through groove 6 on the table plate 2. This pushes the movable side support plate 3, which is fixed to the first sliding column 24, to move horizontally along the length direction of the worktable 1. During this process, the first guide cylinder 21 connected to the side of the first threaded sleeve 20 through the horizontal column 22 slides smoothly along the first guide column 23 on the inner wall of the worktable 1, providing precise guidance for the horizontal movement and avoiding skewing and jamming during the translation of the support plate 3. It can adapt to the clamping requirements of cabinet frames 4 of different lengths and specifications, effectively expanding the applicability of the tooling. After the spacing between the two support plates 3 is adjusted, the cabinet frame 4 is axially placed between the two sets of positioning components, so that the end side wall of the cabinet frame 4 abuts against the end face of the connecting block 38 at the intersection of the first housing 15 and the second housing 16 to complete the initial positioning. Then, the third motor 17 and the fourth motor 25 are started to drive the clamping structure in the corresponding direction. The third motor 17 drives the third threaded screw 40 to rotate, driving the third threaded sleeve 43 to move along the length direction of the first housing 15. The second sliding column 42 passing through the second through slot 26 drives the first rotating seat 27 and the pressure plate 18 to move synchronously, forming a clamping limit on the side of the cabinet frame 4 from the X / Y axis direction. The fourth motor 25 drives the second threaded screw 39 to rotate, driving the second threaded sleeve 43 to move along the length direction of the first housing 15. The sleeve 41 moves along the length of the second housing 16, and drives another set of first rotating seats 27 and pressure plates 18 to move synchronously through the corresponding second sliding column 42. It forms a clamping limit on the side of the cabinet frame 4 from the Z / Y axis direction. The two sets of pressure plates 18, which are distributed in a cross shape, simultaneously press against the outer wall of the cabinet frame 4 from multiple dimensions. With the reference positioning function of the connecting block 38, the translation and rotational freedom of the cabinet frame 4 can be completely restricted. During the clamping process, the second guide cylinder 32 slides synchronously along the second guide column 31 with the first rotating seat 27 to ensure that the displacement path of the pressure plate 18 is accurate and without deviation. This not only ensures the positioning accuracy of the cabinet frame 4 and avoids displacement and deformation during welding, but also can be adapted to the processing of cabinet frames 4 with various cross-sectional sizes. The clamping and adjustment are flexible and convenient. After the staff completes the clamping of the cabinet frame 4, the cabinet panel 5 to be welded can be snapped and assembled onto the corresponding welding position on the outer wall of the cabinet frame 4. Then, the assembly gap between the cabinet panel 5 and the cabinet frame 4 is welded using a welding torch. When the cabinet panel 5 on different sides of the cabinet frame 4 needs to be welded after one side of the cabinet panel 5 is welded, the staff starts the second motor 10 to drive the first rotating rod 9 to rotate, thereby causing the entire positioning assembly to clamp the cabinet frame 4 and the cabinet panel 5 and rotate synchronously around the axial direction. The positioning assembly on the other side is supported by the rotating column 8 to ensure that the overall force is balanced during the rotation process. During the overall rotation of the positioning assembly, the reinforcing column 14 fixed on the side of the support plate 3 is supported. The connecting rod 13, the first outer ring frame 11, the first inner ring frame 12, the second outer ring frame 35, and the second inner ring frame 36 all remain stationary. When the side of the cabinet frame 4 to be welded is flipped to face up, the gear column 37 on one side of the clamping plate 18 in the clamping state will mesh with the teeth 34 on the inner wall of the first outer ring frame 11, thereby driving the gear column 37 to rotate. Then, through the transmission of the second rotating rod 33, the second bevel gear 30, and the first bevel gear 28, the clamping plate 18 in the clamping state is quickly rotated and tilted open, avoiding the clamping plate 18 from blocking the gap and affecting the welding work of the welding gun when the cabinet frame 4 is rotated to the side to be welded. When the side of the cabinet panel 5 after welding with the cabinet frame 4 is flipped, the gear post 37 on one side will mesh with the teeth 34 on the outer wall of the first inner ring frame 12, thereby causing the gear post 37 to flip in the opposite direction. Through the transmission of the second rotating rod 33, the second bevel gear 30 and the first bevel gear 28, the clamping plate 18 in the tilted state is quickly reset and clamped. Moreover, the outer or inner walls of the first outer ring frame 11, the first inner ring frame 12, the second outer ring frame 35 and the second inner ring frame 36 are only provided with one set of teeth 34, thereby ensuring that only the clamping plate 18 on the welded surface is tilted and folded, while the clamping plates 18 on the other unwelded or welded sides are in the clamped state. This ensures the stability of the entire cabinet welding process. The entire process does not require manual clamping and adjustment or secondary alignment. The automatic opening and closing of the all-directional clamping structure can be completed by a single action of the second motor 10 driving the cabinet to rotate circumferentially. Under the premise that the cabinet frame 4 is stably clamped and there is no relative displacement throughout the process, the obstruction of the clamping plate 18 to the weld area is eliminated, ensuring that the welding gun has sufficient working space and accessibility. This avoids the positioning error caused by repeated clamping, effectively ensures the welding alignment accuracy and forming quality of each cabinet panel 5, and also greatly reduces the auxiliary time for multi-sided welding, significantly improving the batch welding processing efficiency of the cabinet.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. 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 fixture, comprising a worktable (1), characterized in that, The top of the workbench (1) is provided with a support plate (3). A second motor (10) is fixedly connected to the outer wall of one side of the support plate (3) fixedly connected to the top of the workbench (1). A first rotating rod (9) is fixedly connected to the output end of the second motor (10). A positioning component for clamping and fixing the cabinet frame (4) and ensuring that the cabinet panel (5) is stably welded to the outer wall of the cabinet frame (4) is fixedly connected to one end of the first rotating rod (9). A rotating column (8) is fixedly connected to one side of another positioning component, and the rotating column (8) is rotatably connected to the outer wall of one side of another support plate (3). The workbench (1) is equipped with a transverse movement assembly for adjusting the position of another support plate (3).

2. The welding fixture according to claim 1, characterized in that, The positioning assembly includes a first housing (15) and a second housing (16), which are arranged in a cross shape. The first housing (15) and the second housing (16) are connected. A third motor (17) is fixedly connected to the outer wall of one end of the first housing (15). A third threaded screw (40) is fixedly connected to the output end of the third motor (17). A third threaded sleeve (43) is threadedly connected to the outer circumference of the third threaded screw (40). A second sliding column (42) is fixedly connected to one side of the outer wall of the third threaded sleeve (43). A second through groove (26) is provided on one side of the outer wall of both the first housing (15) and the second housing (16). A first rotating seat (27) is fixedly connected to one end of the second sliding column (42) that passes through the second through groove (26). Rotary base (27) has rotating shafts rotatably connected to both inner walls. A pressure plate (18) is fixedly connected to the outer circumference of the rotating shaft. A fourth motor (25) is fixedly connected to the outer wall of one end of the second housing (16). A second threaded screw (39) is fixedly connected to the output end of the fourth motor (25). A second threaded sleeve (41) is threadedly connected to the outer circumference of the second threaded screw (39). The second threaded sleeve (41) is fixedly connected to another first rotating base (27) through another second sliding column (42). The cabinet frame (4) is clamped and fixed in the X / Y axis direction by the pressure plate (18) on one side of the first housing (15). The cabinet frame (4) is clamped and fixed in the Z / Y axis direction by the pressure plate (18) on one side of the second housing (16). A power component for driving the pressure plate (18) of the device to rotate is provided on one side of the first housing (15).

3. The welding fixture according to claim 2, characterized in that, The transverse assembly includes a first motor (7) fixedly connected to the outer wall of one side of the workbench (1). The output end of the first motor (7) is fixedly connected to a first threaded screw (19). The outer circumferential wall of the first threaded screw (19) is threadedly connected to a first threaded sleeve (20). The top of the first threaded sleeve (20) is fixedly connected to a first sliding column (24). The top of the table (2) is provided with a first through groove (6). One end of the first sliding column (24) passing through the inside of the first through groove (6) is fixedly connected to another support plate (3).

4. The welding fixture according to claim 3, characterized in that, The inner walls of both sides of the workbench (1) are fixedly connected with a first guide post (23), and the outer circumferential wall of the first guide post (23) is slidably connected with a first guide cylinder (21). A horizontal column (22) is fixedly connected to one side of the first guide cylinder (21), and the other end of the horizontal column (22) is fixedly connected to the outer wall of one side of the first threaded sleeve (20).

5. The welding fixture according to claim 4, characterized in that, The power assembly includes a first bevel gear (28) fixedly connected to one end of a rotating shaft, a second rotating seat (29) fixedly connected to one side of the first rotating seat (27), a second rotating rod (33) rotatably connected to one side of the second rotating seat (29), a second bevel gear (30) fixedly connected to one end of the second rotating rod (33), and the first bevel gear (28) and the second bevel gear (30) meshing with each other.

6. The welding fixture according to claim 5, characterized in that, A second guide post (31) is fixedly connected to one side of the outer wall of the first housing (15), and a second guide cylinder (32) is fixedly connected to one side of the outer wall of the second rotating seat (29). One end of the second guide post (31) passes through the inside of the second guide cylinder (32), and one end of the second rotating rod (33) passes through the inside of the second guide cylinder (32).

7. A welding fixture according to claim 6, characterized in that, The second rotating rod (33) is fixedly connected to a gear column (37) at one end that passes through the inside of the second guide cylinder (32). A reinforcing column (14) is fixedly connected to one side of the outer wall of the support plate (3). A connecting rod (13) is fixedly connected to one end of the reinforcing column (14). A first outer ring frame (11) and a first inner ring frame (12) are fixedly connected to one side of the outer wall of the connecting rod (13). A tooth (34) is provided on the inner circumference of the first outer ring frame (11). Another tooth (34) is provided on the outer circumference of the first inner ring frame (12). The gear column (37) meshes with the tooth (34). The tooth (34) provided on the outer wall of the first inner ring frame (12) and the tooth (34) provided on the inner wall of the first outer ring frame (11) are located on the left and right sides of the first housing (15), respectively.

8. A welding fixture according to claim 7, characterized in that, The connecting rod (13) is fixedly connected to a second outer ring frame (35) and a second inner ring frame (36) on one side. The gear column (37) located on one side of the second housing (16) meshes with the teeth (34) on the inner wall of the second outer ring frame (35) and the teeth (34) on the outer wall of the second inner ring frame (36).

9. A welding fixture according to claim 8, characterized in that, A connecting block (38) is fixedly connected to one side of the outer wall at the intersection of the first housing (15) and the second housing (16), and one side of the outer wall of the connecting block (38) abuts against one side of the outer wall of the cabinet frame (4).

10. A welding method for a server rack, applied to the welding fixture described in claim 9, characterized in that, Includes the following steps: S1: Based on the axial length of the cabinet frame (4) to be processed, drive the transverse component to move the movable side support plate (3) along the worktable (1) to adjust the distance between the two sets of positioning components and complete the pre-adjustment of the tooling clamping span. S2: Place the cabinet frame (4) axially between the two sets of positioning components, so that the side wall of the end of the cabinet frame (4) abuts against the connecting block (38) to complete the initial positioning. Start the third motor (17) and the fourth motor (25) to drive the pressure plate (18) in the corresponding direction to move towards each other, and clamp and fix the cabinet frame (4) on the positioning components from multiple dimensions. S3: Assemble the cabinet panel (5) to the corresponding welding position on the outer wall of the cabinet frame (4) and complete the welding of the weld seam on that side. Start the second motor (10) to drive the positioning component to rotate the cabinet frame (4) around the perimeter. During the rotation, the power component drives the pressure plate (18) on the side to be welded to automatically tilt up to avoid it, and the pressure plate (18) on the side that has been welded to automatically reset and clamp. The welding operation of the cabinet panels (5) on each side of the cabinet frame (4) is completed in sequence. S4: After all cabinet panels (5) are welded, drive each group of clamping plates (18) to retract outward to release the clamping on the cabinet frame (4), and expand the distance between the two groups of positioning components through the transverse moving component to take out the welded cabinet.

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