Multifunctional welding table for metal product welding

By designing clamping, fixing, and protection devices on the welding table, the problem of metal plate displacement during welding was solved, thereby improving the accuracy and quality of welding.

CN120362850BActive Publication Date: 2026-05-12SICHUAN JUNSHENG INTELLIGENT EQUIPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SICHUAN JUNSHENG INTELLIGENT EQUIPMENT CO LTD
Filing Date
2025-05-26
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

In existing welding equipment, the threaded rod cannot self-lock, which may cause slight movement of the clamped workpiece during the welding process, affecting the accuracy and precision of the welding, resulting in uneven welds and poor weld joint quality.

Method used

A multifunctional welding table including a clamping device, a fixing device, and a protective device was designed. The positioning plate, clamping plate, balance bar, and level ensure the correct relative position of the metal plate. The drive motor flips the metal plate, and the limit sleeve and limit button prevent clamping failure. The support plate provides uniform support force, and the protective device blocks spatter during welding.

Benefits of technology

To ensure accurate positioning of the metal plate during welding, reduce deformation, improve welding quality and applicability, prevent welding position deviation, and enhance welding precision and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a kind of multifunctional welding platform for metal product welding, it is related to welding platform technical field, by the setting of clamping device, metal plate is positioned by both sides positioning plate, by positioning, it can ensure that the relative position of metal plate is correct, make welding in predetermined position, avoid weld offset or misplacement, after metal plate is positioned, metal plate is clamped by clamping plate, whether both sides are held flat when clamping by balance lever and level detection manual rotating threaded rod, when metal plate both sides clamping is unbalanced, welding deformation is caused due to uneven stress, by this mode, metal plate can be stressed evenly when welding, reduce the possibility of deformation, ensure that the size and shape of metal plate after welding meet the requirements, drive motor drives driving frame to rotate, so that metal plate is turned over, clamping loses effect by limiting sleeve, so as to affect subsequent welding operation.
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Description

Technical Field

[0001] This invention relates to the field of welding station technology, specifically to a multifunctional welding station for welding metal products. Background Technology

[0002] Welding, as an important metal joining process, is widely used in modern industry. With continuous technological advancements, welding technology has also evolved, from traditional manual welding to automated welding, and then to intelligent welding, significantly improving both efficiency and quality. Welding is an indispensable step in metal product manufacturing, thus the demand for welding equipment is becoming increasingly diversified and specialized.

[0003] Patent publication number CN221389550U relates to the field of welding table technology. This patent discloses a multi-functional welding table for welding metal products, comprising a workbench unit, a pusher plate unit, a clamping and flipping unit, and an adjustment unit. The clamping and flipping unit includes a flipping motor mounted on one side of the pusher plate unit and a fixing frame disposed inside the pusher plate unit for fixing and clamping the metal product. The adjustment unit includes a drive motor mounted inside the workbench unit and a limiting slide plate disposed inside the workbench unit for adjusting the distance between the pusher plate units. This patent provides a multi-functional welding table for welding metal products, enabling the welding joint of the metal product to be flipped during welding, improving the welding efficiency of metal products, eliminating the need for manual flipping, allowing for distance adjustment according to the length of the metal product, and enabling rapid positioning of the welding joint of the metal product, reducing labor costs and improving practicality.

[0004] The aforementioned patents reduce labor and improve practicality, but the current equipment has the following problems: During the welding process, because the threaded rod cannot self-lock, the position of the clamped workpiece may move slightly due to factors such as welding stress, workpiece weight, or slight external interference, causing the welding position to deviate from the predetermined weld point or weld, affecting the accuracy and precision of the welding, and thus leading to problems such as uneven welds and poor weld joint quality. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a multifunctional welding station for welding metal products, solving the problems mentioned in the background section.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a multi-functional welding table for welding metal products, comprising a fixed frame and a metal plate, wherein a drive motor is disposed on the right side of the fixed frame, and a clamping device is also included; wherein, the clamping device comprises a drive frame, a threaded rod, a limiting sleeve, a clamping plate, a positioning plate, a switching frame, an elastic telescopic rod, a balance rod, and a level; the drive frame is fixedly installed at the output end of the drive motor; the threaded rod is rotatably installed on the inner wall of the drive frame; the limiting sleeve is slidably installed on the circumferential surface of the threaded rod; the clamping plate is threadedly installed on the circumferential surface of the threaded rod; and the positioning plate is slidably installed on the surface of the drive frame. The metal plate is placed on the inner wall of the positioning plate. Under the action of the second spring, the positioning plates on both sides position the metal plate. The switching frame is rotatably installed on the inner wall of the fixed frame. The fixed end of the first elastic telescopic rod is fixedly installed on the surface of the switching frame. The balance rod is fixedly installed on the movable end of the first elastic telescopic rod. The level is fixedly installed on the front side of the balance rod. The metal plate is placed on the top of the positioning plate. The movement of the clamping plate causes the movable end of the first elastic telescopic rod to extend. The extension of the movable end of the first elastic telescopic rod drives the balance rod to move. The movement of the balance rod drives the level to move. Both are used to detect whether the two sides are level when the threaded rod is manually rotated for clamping.

[0007] The surface of the fixing frame is provided with a fixing device for auxiliary fixing of the switching frame and a protective device for preventing spatter during welding.

[0008] According to the above technical solution, a first spring is provided between the limiting sleeve and the drive frame, and the limiting sleeve is reset by the first spring. A second spring is provided between the positioning plate and the drive frame, and the positioning plate is reset by the second spring.

[0009] According to the above technical solution, the fixing device includes a sliding rod, a limiting button, and a third spring. The sliding rod is slidably installed on the inner wall of the fixing frame, and the limiting button is slidably installed on the circumferential surface of the sliding rod. The third spring is disposed between the limiting button and the sliding rod. The third spring drives the limiting button to reset. The switching frame rotates and contacts the arc surface of the limiting button, causing the limiting button to move. While the limiting button moves, the third spring is compressed. When the switching frame and the limiting button are on the same plane, the third spring is released and drives the limiting button to insert into the switching frame. At this time, the switching frame is fixed.

[0010] According to the above technical solution, the fixing device further includes a locking rod and a second elastic telescopic rod. The locking rod is slidably installed on the surface of the fixing frame. A No. 4 spring is provided between the locking rod and the fixing frame. The No. 4 spring drives the locking rod to reset. The fixed end of the second elastic telescopic rod is fixedly installed on the surface of the switching frame. The locking rod prevents accidental contact with the sliding rod. When it is necessary to release the fixing, the sliding rod is pulled outward to drive the limit button out of the switching frame.

[0011] According to the above technical solution, the fixing device further includes a support plate and a traction rod. The support plate is fixedly installed at the movable end of the elastic telescopic rod II, and the traction rod is fixedly installed on the top of the support plate. The movement of the elastic telescopic rod II drives the support plate to move, and the movement of the support plate drives the traction rod to move, so that the support plate contacts the metal plate through the arc surface of the support plate.

[0012] According to the above technical solution, the protective device includes a connecting plate, a sliding plate, a protective plate, and a braking block. The connecting plate is fixedly installed on the rear side of the fixed frame. The sliding plate is slidably installed on the inner wall of the connecting plate. The protective plate is slidably installed on the inner wall of the sliding plate. The braking block is fixedly installed on the surface of the protective plate near the metal plate. A No. 5 spring is provided between the protective plate and the sliding plate. The No. 5 spring drives the protective plate to reset. The outer wall of the metal plate contacts the braking block, causing the protective plate to move. The movement of the protective plate drives the sliding plate to move, and the sliding plate moves along the connecting plate.

[0013] According to the above technical solution, the protective device further includes a limiting block and a connecting block. The limiting block is slidably installed on the surface of the protective plate. A No. 6 spring is provided between the limiting block and the protective plate. The No. 6 spring drives the limiting block to reset. The connecting block is fixedly installed on the right side of the limiting block. The bottom of the limiting block is set as an inclined surface so that the limiting block is disengaged from the hollow block.

[0014] According to the above technical solution, the protective device also includes a connecting rod, a traction rope, and a hollow block. The connecting rod is rotatably mounted on the surface of the connecting block. The traction rope is set on the inner wall of the connecting rod. The hollow block is fixedly mounted on the top of the slide plate. When the traction rope reaches the maximum pulling distance, it pulls the connecting rod downward to drive the limiting block out of the hollow block. At this time, the protective plate is driven upward by the No. 5 spring.

[0015] This invention provides a multifunctional welding station for welding metal products. It has the following advantages:

[0016] (1) In this invention, the metal plate is positioned by the clamping device and the positioning plates on both sides. The positioning can ensure that the relative position of the metal plate is correct, so that the weld is located in the predetermined position and the weld is avoided from offset or misalignment. After the metal plate is positioned, the clamping plate clamps the metal plate. The balance bar and the level are used to check whether the two sides are level when the threaded rod is manually rotated for clamping. When the two sides of the metal plate are not balanced, the metal plate will produce uneven thermal expansion and contraction during the welding process due to uneven force, which will lead to welding deformation. In this way, the metal plate can be evenly stressed during welding, reducing the possibility of deformation and ensuring that the size and shape of the welded metal plate meet the requirements. The drive motor drives the drive frame to rotate, so that the metal plate is flipped. The limit sleeve prevents the clamping from losing its effect, thereby affecting the subsequent welding operation.

[0017] (2) In this invention, by setting a fixing device, when welding a metal plate, the bottom of the metal plate is supported by a support plate. The bottom support can provide uniform support force, effectively resist the influence of thermal stress, reduce the possibility of deformation, keep the weld flat, and improve the welding quality. The switching frame is fixed by the limit button to prevent the position of the switching frame from being deviated after the switching is completed, thus affecting the welding operation. The sliding rod is prevented from being accidentally touched by the locking rod. When it is necessary to release the fixation, the limit button can be disengaged from the switching frame by pulling the sliding rod outward.

[0018] (3) The invention, through the setting of the protective device, drives the protective plate to move through the traction rod and traction rope, so as to block the spatter generated during welding. When protecting metal plates of different sizes, the protective device can adapt to the size of different metal plates through the braking block, thus improving the applicability of the device. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the structure of the elastic telescopic rod at two positions after the switching frame of the present invention is switched;

[0021] Figure 3 This is a partial cross-sectional structural diagram of the clamping device of the present invention;

[0022] Figure 4 This is a schematic diagram of the position and structure of the balance bar and level in this invention;

[0023] Figure 5 For the present invention Figure 4 Enlarged schematic diagram of section A in the middle;

[0024] Figure 6 For the present invention Figure 4 Enlarged schematic diagram of section B;

[0025] Figure 7 This is a partial cross-sectional structural diagram of the protective device of the present invention;

[0026] Figure 8 This is a schematic diagram of the positional structure of the limiting block and the hollow block of the present invention.

[0027] In the diagram: 1. Fixed frame; 2. Metal plate; 3. Drive frame; 4. Threaded rod; 5. Limit sleeve; 6. Clamping plate; 7. Positioning plate; 8. Switching frame; 9. Elastic telescopic rod one; 10. Balance rod; 11. Level; 20. Slide rod; 21. Limit button; 22. No. 3 spring; 23. Locking rod; 24. Elastic telescopic rod two; 25. Support plate; 26. Traction rod; 30. Connecting plate; 31. Slide plate; 32. Protective plate; 33. Brake block; 34. Limit block; 35. Connecting block; 36. Connecting rod; 37. Traction rope; 38. Hollow block. Detailed Implementation

[0028] 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. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0029] Please see Figures 1-4 One embodiment of the present invention is as follows: a multi-functional welding table for welding metal products, including a fixed frame 1 and a metal plate 2, a drive motor is provided on the right side of the fixed frame 1, and a clamping device is also included; wherein, the clamping device includes a drive frame 3, a threaded rod 4, a limiting sleeve 5, a clamping plate 6, a positioning plate 7, a switching frame 8, an elastic telescopic rod 9, a balance rod 10, and a level 11, the drive frame 3 is fixedly installed at the output end of the drive motor, the threaded rod 4 is rotatably installed on the inner wall of the drive frame 3, the limiting sleeve 5 is slidably installed on the circumferential surface of the threaded rod 4, the clamping plate 6 is threadedly installed on the circumferential surface of the threaded rod 4, and the positioning plate 7 is slidably installed on the inner wall of the drive frame 3. Mounted on the surface of the drive frame 3, the positioning ensures the correct relative position of the metal plate 2, allowing the weld to be placed in the predetermined position and preventing weld offset or misalignment. The switching frame 8 is rotatably mounted on the inner wall of the fixed frame 1. The fixed end of the elastic telescopic rod 9 is fixedly mounted on the surface of the switching frame 8. The balance rod 10 is fixedly mounted on the movable end of the elastic telescopic rod 9. The level 11 is fixedly mounted on the front side of the balance rod 10. The metal plate 2 is set on the top of the positioning plate 7. When the two sides of the metal plate 2 are not balanced, during the welding process, due to uneven force, the metal plate 2 will produce uneven thermal expansion and contraction, resulting in welding deformation.

[0030] A first spring is provided between the limiting sleeve 5 and the drive frame 3. The first spring drives the limiting sleeve 5 to reset. A second spring is provided between the positioning plate 7 and the drive frame 3. The second spring drives the positioning plate 7 to reset.

[0031] In this embodiment, the metal plate 2 is placed on the inner wall of the positioning plate 7. Under the action of the second spring, the positioning plates 7 on both sides position the metal plate 2. Positioning ensures the correct relative position of the metal plate 2, so that the weld is in the predetermined position, avoiding weld offset or misalignment. After the metal plate 2 is positioned, the threaded rod 4 is rotated to move the clamping plates 6 on both sides towards the metal plate 2 and finally clamp it. The movement of the clamping plates 6 causes the movable end of the elastic telescopic rod 9 to extend. The extension of the movable end of the elastic telescopic rod 9 drives the balance rod 10 to move. The movement of the balance rod 10 drives the level 11 to move. Both are used to detect whether the two sides are level when the threaded rod 4 is manually rotated for clamping. When the two sides of the metal plate 2 are not clamped evenly, uneven force will occur during the welding process. Metal plate 2 will experience uneven thermal expansion and contraction, leading to welding deformation. This method ensures that metal plate 2 is subjected to uniform stress during welding, reducing the possibility of deformation and guaranteeing that the size and shape of the welded metal plate 2 meet the requirements. When it is necessary to flip the plate, rotate the switching frame 8 to move it out of the rotation range of metal plate 2. At this time, the drive motor drives the drive frame 3 to rotate, causing metal plate 2 to flip. When rotating the threaded rod 4 clockwise, the rotation of the threaded rod 4 is limited by the limiting sleeve 5, preventing the threaded rod 4 from rotating. Since the threaded rod 4 does not have self-locking capability, this method prevents the clamping from losing its effect, thus affecting subsequent welding operations. When it is necessary to release the clamp, move the limiting sleeve 5 downward to move it out of the rotation range of the threaded rod 4. At this time, the threaded rod 4 can be rotated normally.

[0032] Please see Figures 1-8 Based on the above embodiments, in another embodiment of the present invention, the surface of the fixing frame 1 is provided with a fixing device for auxiliary fixing of the switching frame 8 and a protective device for preventing spatter during welding. The fixing device includes a slide rod 20, a limit button 21 and a third spring 22. The slide rod 20 is slidably installed on the inner wall of the fixing frame 1, and the limit button 21 is slidably installed on the circumferential surface of the slide rod 20 to prevent the position of the switching frame 8 from being deviated after switching, thereby affecting the welding operation. The third spring 22 is disposed between the limit button 21 and the slide rod 20, and the limit button 21 is reset by the third spring 22.

[0033] The fixing device also includes a locking rod 23 and an elastic telescopic rod 24. The locking rod 23 is slidably installed on the surface of the fixing frame 1. A No. 4 spring is provided between the locking rod 23 and the fixing frame 1. The No. 4 spring drives the locking rod 23 to reset. The fixed end of the elastic telescopic rod 24 is fixedly installed on the surface of the switching frame 8. The locking rod 23 prevents accidental contact of the sliding rod 20.

[0034] The fixing device also includes a support plate 25 and a traction rod 26. The support plate 25 is fixedly installed at the movable end of the elastic telescopic rod 24, and the traction rod 26 is fixedly installed at the top of the support plate 25. The bottom of the metal plate 2 is supported by the support plate 25. The bottom support can provide uniform support force, effectively resist the influence of thermal stress, reduce the possibility of deformation, keep the weld flat, and improve the welding quality.

[0035] The protective device includes a connecting plate 30, a sliding plate 31, a protective plate 32, and a braking block 33. The connecting plate 30 is fixedly installed on the rear side of the fixed frame 1. The sliding plate 31 is slidably installed on the inner wall of the connecting plate 30. The protective plate 32 is slidably installed on the inner wall of the sliding plate 31. The protective plate 32 blocks the spatter generated during welding. The braking block 33 is fixedly installed on the surface of the protective plate 32 near the metal plate 2. A No. 5 spring is provided between the protective plate 32 and the sliding plate 31. The No. 5 spring drives the protective plate 32 to reset.

[0036] The protective device also includes a limiting block 34 and a connecting block 35. The limiting block 34 is slidably mounted on the surface of the protective plate 32. A No. 6 spring is provided between the limiting block 34 and the protective plate 32. The No. 6 spring drives the limiting block 34 to reset. The connecting block 35 is fixedly mounted on the right side of the limiting block 34. The bottom of the limiting block 34 is set as an inclined surface, so that the protective plate 32 can be reset manually.

[0037] The protective device also includes a connecting rod 36, a traction rope 37, and a hollow block 38. The connecting rod 36 is rotatably mounted on the surface of the connecting block 35. The traction rope 37 is disposed on the inner wall of the connecting rod 36. The hollow block 38 is fixedly mounted on the top of the slide plate 31. Because the traction rod 26 is elastic, when the protective plate 32 moves the traction rope 37, the traction rope 37 is disengaged from the traction rod 26, preventing the position of the support plate 25 from interfering with the operation due to the rise of the protective plate 32.

[0038] In this embodiment, during welding of the metal plate 2, the rotation of the switching frame 8 moves the elastic telescopic rod 24, which in turn moves the support plate 25. Simultaneously, the support plate 25 moves the traction rod 26. The arc surface of the support plate 25 contacts the metal plate 2, allowing the movable end of the elastic telescopic rod 24 to reach a support distance. At this point, the support plate 25 supports the bottom of the metal plate 2, providing uniform support force, effectively resisting the effects of thermal stress, reducing the possibility of deformation, and keeping the weld seam smooth. To improve welding quality, the switching frame 8 rotates and contacts the arc surface of the limit button 21, causing the limit button 21 to move. As the limit button 21 moves, the third spring 22 is compressed. When the switching frame 8 and the limit button 21 are on the same plane, the third spring 22 is released and the limit button 21 is inserted into the switching frame 8. At this time, the switching frame 8 is fixed to prevent the position of the switching frame 8 from being deviated after the switching is completed, which would affect the welding operation. The locking rod 23 prevents the slide rod 20 from being accidentally touched. When it is necessary to release the fixation, the slide rod 20 is pulled outward to drive the limit button 21 out of the switching frame 8.

[0039] The traction rod 26 moves and contacts the traction rope 37. When the traction rope 37 reaches its maximum pulling distance, it pulls the connecting rod 36 downward, causing the limiting block 34 to disengage from the hollow block 38. At this time, the protective plate 32 moves upward through the No. 5 spring. Because the traction rod 26 is elastic, the traction rope 37 disengages from the traction rod 26 when the protective plate 32 moves, preventing the position of the support plate 25 from interfering with the operation due to the rising of the protective plate 32. The protective plate 32 blocks the spatter generated during welding. When protecting metal plates 2 of different sizes, the outer wall of the metal plate 2 contacts the brake block 33, causing the protective plate 32 to move. The movement of the protective plate 32 causes the sliding plate 31 to move. The sliding plate 31 moves along the connecting plate 30, so that the protective device can adapt to the size of different metal plates 2, improving the applicability of the device.

[0040] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multifunctional welding station for welding metal products, comprising a fixed frame (1) and a metal plate (2), characterized in that: The right side of the fixing frame (1) is provided with a drive motor and also includes a clamping device; The clamping device includes a drive frame (3), a threaded rod (4), a limiting sleeve (5), a clamping plate (6), a positioning plate (7), a switching frame (8), an elastic telescopic rod (9), a balance rod (10), and a level (11). The drive frame (3) is fixedly installed at the output end of the drive motor. The threaded rod (4) is rotatably installed on the inner wall of the drive frame (3). The limiting sleeve (5) is slidably installed on the circumferential surface of the threaded rod (4). The clamping plate (6) is threadedly installed on the circumferential surface of the threaded rod (4). The positioning plate (7) is slidably installed on the surface of the drive frame (3). The switching frame (8) is rotatably installed on the inner wall of the fixed frame (1). The fixed end of the elastic telescopic rod (9) is fixedly installed on the surface of the switching frame (8). The balance rod (10) is fixedly installed on the movable end of the elastic telescopic rod (9). The level (11) is fixedly installed on the front side of the balance rod (10). The metal plate (2) is set on the top of the positioning plate (7). The surface of the fixing frame (1) is provided with a fixing device for auxiliary fixing of the switching frame (8) and a protective device for preventing spatter during welding. The fixing device includes a slide rod (20), a limit button (21) and a No. 3 spring (22). The slide rod (20) is slidably installed on the inner wall of the fixing frame (1). The limit button (21) is slidably installed on the circumferential surface of the slide rod (20). The No. 3 spring (22) is disposed between the limit button (21) and the slide rod (20). The fixing device also includes a locking rod (23) and an elastic telescopic rod (24). The locking rod (23) is slidably installed on the surface of the fixing frame (1). A No. 4 spring is provided between the locking rod (23) and the fixing frame (1). The fixed end of the elastic telescopic rod (24) is fixedly installed on the surface of the switching frame (8). The fixing device also includes a support plate (25) and a traction rod (26). The support plate (25) is fixedly installed on the movable end of the elastic telescopic rod (24), and the traction rod (26) is fixedly installed on the top of the support plate (25). The protective device includes a connecting plate (30), a sliding plate (31), a protective plate (32), and a brake block (33). The connecting plate (30) is fixedly installed on the rear side of the fixing frame (1). The sliding plate (31) is slidably installed on the inner wall of the connecting plate (30). The protective plate (32) is slidably installed on the inner wall of the sliding plate (31). The brake block (33) is fixedly installed on the surface of the protective plate (32) near the metal plate (2). A No. 5 spring is provided between the protective plate (32) and the sliding plate (31). The protective device also includes a limiting block (34) and a connecting block (35). The limiting block (34) is slidably mounted on the surface of the protective plate (32). A No. 6 spring is provided between the limiting block (34) and the protective plate (32). The connecting block (35) is fixedly mounted on the right side of the limiting block (34). The bottom of the limiting block (34) is set as an inclined surface. The protective device also includes a connecting rod (36), a traction rope (37), and a hollow block (38). The connecting rod (36) is rotatably mounted on the surface of the connecting block (35), the traction rope (37) is disposed on the inner wall of the connecting rod (36), and the hollow block (38) is fixedly mounted on the top of the slide plate (31).

2. The multifunctional welding station for welding metal products according to claim 1, characterized in that: A first spring is provided between the limiting sleeve (5) and the drive frame (3), and a second spring is provided between the positioning plate (7) and the drive frame (3).