A counter-deformation device for controlling welding deformation
By designing an anti-deformation device, the problems of welding deformation and cumbersome operation of plate-shaped workpieces are solved, and the plastic shaping limit and multi-angle adaptation of the stable welding part are realized, thereby improving the welding quality and aesthetics.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN HENGLI LONGCHENG HEAVY IND CO LTD
- Filing Date
- 2025-07-17
- Publication Date
- 2026-06-23
AI Technical Summary
When welding plate-shaped workpieces, the welding area is prone to deformation, and traditional limiting devices are cumbersome to operate, affecting the appearance of the workpiece and the quality of welding.
An anti-deformation device is adopted, which includes a fixed placement platform, a rotating placement platform, a pressing component, a driving component, and a shaping and limiting component. The driving component adjusts the included angle, the pressing component stabilizes the workpiece, and the shaping and limiting component limits and shapes the welding part to adapt to welding requirements at different angles.
It effectively prevents workpiece deformation after welding, improves aesthetics and welding quality, simplifies operation procedures, and reduces the workload of users.
Smart Images

Figure CN224390352U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of welding equipment, and specifically relates to an anti-deformation device for controlling welding deformation. Background Technology
[0002] Welding is essentially the process of melting and joining metals at localized high temperatures. This process creates a dramatic temperature gradient, causing the metal to expand and contract. When welding plate-shaped workpieces, localized expansion and contraction can cause deformation at the welded area. In severe cases, this can lead to warping of the entire plate and localized arching of the workpiece.
[0003] Referring to Chinese patent document CN210099360U entitled "Anti-deformation tooling suitable for thin plate welding", it includes a base plate, L-shaped steel and bolts. The base plate is arranged in an array of L-shaped steel, which consists of vertical steel columns and horizontal steel columns. The horizontal steel columns have threaded holes, and bolts are installed in the threaded holes. The bolts are used to press the plate-shaped workpiece. The base plate, L-shaped steel and bolts are all set in two groups, which press two workpieces respectively. After pressing is completed, the two workpieces are welded together. By pressing the workpieces with multiple bolts, the phenomenon of plate arching can be reduced during welding.
[0004] Referring to the above technical solutions, when welding plate-shaped workpieces, multiple bolts are used to limit the workpiece's position. Users need to rotate these bolts to remove or place the workpiece, which is cumbersome and increases the workload. Furthermore, when welding two workpieces, if the welded area is not promptly shaped, deformation can easily occur after the welded area has completely cooled, affecting the overall aesthetics of the workpiece. Therefore, a deformation-preventing device to control welding deformation is needed to solve these problems. Utility Model Content
[0005] The technical problem to be solved by this utility model is that the welding part of the plate workpiece is prone to deformation during welding. This utility model can promptly shape and limit the welding part, and can also easily press the workpiece to prevent the plate from arching during welding.
[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: an anti-deformation device for controlling welding deformation, including a fixed placement platform installed on a support column, a rotating placement platform hinged on the fixed placement platform, a driving component for driving the rotating placement platform to rotate on a worktable, a pressing component for pressing the workpiece installed on both the fixed placement platform and the rotating placement platform, a support plate slidably installed on the worktable, a slider 1 slidably installed on the support plate, a threaded column helically installed on the slider 1, and an inner shaping plate and an outer shaping plate for shaping and limiting the welding joint of the two welding plates on the threaded column.
[0007] By adopting the above technical solution, the drive component can drive the rotating placement stage to rotate, so that the fixed placement stage and the rotating placement stage present different angles, completing different welding angles for the two plate-shaped workpieces. The pressing component can firmly press the workpieces on the fixed placement stage and the rotating placement stage, preventing the middle part of the workpiece from arching during welding. While the support plate slides, it can drive the inner and outer plastic forming plates to move synchronously, shaping and limiting the workpiece at the welded part, preventing the workpiece from sag due to its own weight before it is fully cooled. By setting the threaded column to be disassembled, the inner and outer plastic forming plates can be replaced to adapt to the shaping of plates with different angles during welding. The slider can drive the threaded column, inner plastic forming plate and outer plastic forming plate to move longitudinally, ensuring that the inner and outer plastic forming plates can be aligned with the angle position of the two plates at different angles.
[0008] Optionally, the pressing assembly includes a telescopic push rod mounted on a fixed platform and a rotating platform, with a transition plate mounted on the piston rod of the telescopic push rod above the fixed platform and the rotating platform, and a pressing frame for pressing the workpiece mounted on the transition plate.
[0009] By adopting the above technical solution, the telescopic push rod can drive the transition plate and the pressing frame to move, thereby facilitating the picking and placing of plate-shaped workpieces.
[0010] Optionally, a rubber pad is installed on the bottom of the pressing frame, the fixed placement platform, and the rotating placement platform.
[0011] By adopting the above technical solution, the rubber pad can increase the friction between the workpiece and the bottom of the pressing frame, the fixed placement table and the rotating placement table, thus ensuring more stable pressing of the workpiece.
[0012] Optionally, the drive assembly includes a first motor mounted on the worktable, a first lead screw mounted on the output shaft of the first motor, a limit rod mounted on the first motor, a second slider mounted on the first lead screw and the limit rod, a telescopic cylinder hinged to the second slider, and the piston rod end of the telescopic cylinder hinged to the bottom of the rotating platform.
[0013] By adopting the above technical solution, the first motor can drive the first lead screw to rotate, which in turn can cause the slider to move. With the extension and retraction of the piston rod of the telescopic cylinder, the fixed placement platform and the rotating placement platform can present different angles, which can adapt to the welding of various workpieces at different angles.
[0014] Optionally, a second motor is installed on the worktable, and a transverse slide groove is provided on the worktable. A second lead screw located inside the transverse slide groove is connected to the output shaft of the second motor. A slider three is provided on the second lead screw, and a support plate is installed on the slider three.
[0015] By adopting the above technical solution, the second motor can drive the second lead screw to rotate, thereby causing the slider three to move the support plate.
[0016] Optionally, a cover plate is provided on the transverse slide.
[0017] By adopting the above technical solution, the cover plate can reduce the amount of external debris falling into the transverse chute.
[0018] Optionally, a longitudinal groove is provided on the support plate, and the slider is slidably installed in the longitudinal groove.
[0019] By adopting the above technical solution, the slider can slide longitudinally within the longitudinal groove.
[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0021] 1. The inner and outer shaping plates can be used to shape and limit the welded parts, effectively preventing the workpiece from bulging due to its own weight after cooling, thus improving the appearance of the workpiece and the welding quality. The detachable design of the threaded column, inner and outer shaping plates allows the inner and outer shaping plates to adapt to welding shaping at different angles, improving the practicality of the device.
[0022] 2. Through the cooperation of telescopic push rod, transition plate and pressing frame, it is possible to easily and effectively press plate-shaped workpieces, and prevent the workpiece from arching in the middle during welding. Compared with traditional technology, this pressing component is simple to operate and does not require personnel to rotate multiple bolts to fix the workpiece, which can reduce the workload of the user.
[0023] 3. The drive assembly of this utility model drives the first lead screw to rotate through the first motor, thereby causing the slider to move. With the extension and retraction of the piston rod of the telescopic cylinder, the fixed placement platform and the rotating placement platform can present different angles, which can adapt to the welding of various workpieces at different angles and improve the practicality of the device. Attached Figure Description
[0024] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0025] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;
[0026] Figure 2 This is a schematic diagram of the rear-view three-dimensional structure of this utility model. Figure 1 ;
[0027] Figure 3 This is a schematic diagram of the rear-view three-dimensional structure of this utility model. Figure 2 ;
[0028] Figure 4This is a three-dimensional structural diagram of the second lead screw, longitudinal groove, inner shaping plate, and outer shaping plate of this utility model;
[0029] Figure 5 For the present utility model Figure 4 A magnified schematic diagram of part A in the middle.
[0030] Explanation of reference numerals in the attached drawings: 1. Worktable; 11. Support column; 12. Fixed placement table; 13. Rotating placement table; 2. Shaping limiting component; 21. Support plate; 22. Slider one; 23. Threaded column; 24. Inner shaping plate; 25. Outer shaping plate; 26. Longitudinal groove; 3. Pressing assembly; 31. Telescopic push rod; 32. Transition plate; 33. Pressing frame; 34. Rubber pad; 4. Drive assembly; 41. First motor; 42. First lead screw; 43. Limiting rod; 44. Slider two; 45. Telescopic cylinder; 5. Sliding assembly; 51. Second motor; 52. Transverse groove; 53. Second lead screw; 54. Slider three; 55. Cover plate. Detailed Implementation
[0031] To better understand this utility model, the following embodiments further illustrate its content, but the scope of protection of this utility model is not limited to the embodiments described below. Numerous specific details are set forth in the following description to provide a more thorough understanding of this utility model. However, it will be apparent to those skilled in the art that this utility model can be practiced without one or more of these details.
[0032] like Figure 1-5 As shown, an anti-deformation device for controlling welding deformation includes a workbench 1, on which a support column 11, a fixed placement platform 12, and a rotating placement platform 13 are mounted. The support column 11 is fixedly installed on the workbench 1. The fixed placement platform 12 is horizontally placed on top of the support column 11. The rotating placement platform 13 is of the same shape as the fixed placement platform 12. The rotating placement platform 13 and the fixed placement platform 12 are hinged together by a plate and a dumbbell-shaped column. When the rotating placement platform 13 and the fixed placement platform 12 are on the same horizontal plane, there is a gap between them to facilitate welding at the joint of the two plates.
[0033] It also includes a shaping limiting component 2, a pressing component 3, a driving component 4, and a sliding component 5. The sliding component 5 is set on the worktable 1 and is used to drive the shaping limiting component 2 to slide. The shaping limiting component 2 is used to limit and shape the included angle of the two plates being welded. The pressing component 3 is used to press the plate-shaped workpiece on the fixed placement table 12 and the rotating placement table 13. The driving component 4 is installed on the worktable 1 and is used to drive the rotating placement table 13 to rotate, so that the fixed placement table 12 and the rotating placement table 13 present different included angles.
[0034] like Figure 1As shown, the pressing assembly 3 includes a telescopic push rod 31, a transition plate 32, a pressing frame 33, and a rubber pad 34. Telescopic push rods 31 are symmetrically installed on the left and right sides of both the fixed placement platform 12 and the rotating placement platform 13. The piston rods of the telescopic push rods 31 pass through both the fixed placement platform 12 and the rotating placement platform 13 and are located at the top of both platforms. The transition plate 32 is installed on the piston rods of the telescopic push rods 31 and is located above both the fixed placement platform 12 and the rotating placement platform 13. The pressing frame 33 is mounted on the transition plate 32 for pressing the workpiece. A rubber pad 34 is installed on the bottom of the pressing frame 33, the fixed placement platform 12, and the rotating placement platform 13. The rubber pad 34 enhances the friction between the plate-shaped workpiece and the bottom of the pressing frame 33, the fixed placement platform 12, and the rotating placement platform 13, making the plate-shaped workpiece more firmly pressed.
[0035] like Figure 1 and Figure 3 As shown, the drive assembly 4 includes a first motor 41, a first lead screw 42, a limiting rod 43, a second slider 44, and a telescopic cylinder 45. The first motor 41 is mounted on the worktable 1 and located below the fixed placement platform 12 and the rotating placement platform 13. The first lead screw 42 is disposed on the output shaft of the first motor 41. The limiting rod 43 is mounted on the first motor 41. The second slider 44 is disposed through the lead screw and the limiting rod 43. The telescopic cylinder 45 is hinged to the second slider 44. The cylinder end of the telescopic cylinder 45 is hinged to the second slider 44, and the piston rod end of the telescopic cylinder 45 is hinged to the bottom of the rotating placement platform 13. When the second slider 44 moves back and forth on the first lead screw 42, it can cause the rotating placement platform 13 to rotate around the fixed placement platform 12 with the cooperation of the telescopic cylinder 45, thereby changing the angle between the fixed placement platform 12 and the rotating placement platform 13.
[0036] like Figure 4 and Figure 5 As shown, the shaping limiting component 2 includes a support plate 21, a slider 22, a threaded groove, a threaded post 23, an inner shaping plate 24, an outer shaping plate 25, and a longitudinal slide groove 26. The support plate 21 is slidably mounted on the worktable 1. The support plate 21 has a longitudinal slide groove 26. The slider 22 is installed in the longitudinal slide groove 26 of the support plate. The slider 22 has a threaded groove. The threaded post 23 is installed inside the threaded post 23. The threaded post 23 is provided with an inner shaping plate 24 and an outer shaping plate 25 for shaping and limiting the welding joint of the two welding plates. The threaded groove and the threaded post 23 allow the threaded post 23, the inner shaping plate 24, and the outer shaping plate 25 to be detachable. The inner shaping plate 24 and the outer shaping plate 25 are both composed of two plates with a certain angle. The inner shaping plate 24 is used for internal shaping and limiting of the two workpieces, and the outer shaping plate 25 is used for external shaping and limiting of the two workpieces.
[0037] like Figure 2 and Figure 4As shown, the sliding assembly 5 includes a second motor 51, a transverse slide 52, a second lead screw 53, a slider 54, and a cover plate 55. The second motor 51 is fixedly installed on one side wall of the worktable 1. The transverse slide 52 is opened on the worktable 1. The second lead screw 53 is connected to the output shaft of the second motor 51 and is located inside the transverse slide 52. The slider 54 is installed on the second lead screw 53 and is I-shaped. The support plate 21 is installed on the top of the slider 54. Two cover plates 55 are provided on the transverse slide 52. The cover plates 55 can reduce the opening area of the top of the transverse slide 52, prevent large particles of debris from entering the transverse slide 52, ensure the smooth rotation of the second lead screw 53, and allow the cover plates 55 to be opened periodically to clean the inside of the transverse slide 52.
[0038] Working Principle: In use, firstly, according to actual production needs, the included angle between the fixed placement platform 12 and the rotating placement platform 13 is adjusted by the drive component 4. Starting the first motor 41 causes the first lead screw 42 to rotate, which in turn drives the second slider 44 to move on the first lead screw 42, causing the rotating placement platform 13 to rotate around the hinge between the rotating placement platform 13 and the fixed placement platform 12. With the cooperation of the telescopic cylinder 45, different included angles can be achieved between the fixed placement platform 12 and the rotating placement platform 13. Then, two plate-shaped workpieces are placed on the fixed placement platform 12 and the rotating placement platform 13 respectively, and the welding parts of the two workpieces are brought together. The telescopic push rod 31 drives the transition plate 32 and the pressing frame 33 to press the workpieces, preventing the workpieces from arching in the middle during welding.
[0039] Next, the connection between the two workpieces is welded using welding components. After partial welding is completed, the second motor 51 is started to drive the second lead screw 53 to rotate, causing the slider 3 54 to drive the support plate 21 to slide within the transverse groove 52. While sliding, the support plate 21 drives the shaping limiting component 2 to move synchronously. Due to the limiting effect of the fixed placement platform 12, the edge of one of the plates is always on the same horizontal plane, allowing the slider 1 22 to slide longitudinally within the longitudinal groove 26. This accommodates the horizontal displacement at the angle between the two plate-shaped workpieces at different angles, ensuring that the inner shaping plate 24 and the outer shaping plate 25 can be aligned at different angles. Finally, the inner shaping plate 24 and the outer shaping plate 25 shape and limit the welded area, effectively preventing bulging caused by the workpiece's own weight after cooling, improving the aesthetics of the workpiece and the welding quality. The entire device has a simple structure, is easy to operate, and is highly practical.
[0040] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0041] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.
Claims
1. A device for controlling welding deformation by reversing deformation, comprising a worktable (1) and a support column (11), characterized in that: A fixed placement platform (12) is installed on the support column (11), and a rotating placement platform (13) is hinged on the fixed placement platform (12). A drive assembly (4) for driving the rotating placement platform (13) to rotate is provided on the worktable (1). A pressing assembly (3) for pressing the workpiece is installed on both the fixed placement platform (12) and the rotating placement platform (13). A support plate (21) is slidably mounted on the workbench (1). A slider (22) is slidably mounted on the support plate (21). A threaded column (23) is spirally mounted on the slider (22). An inner shaping plate (24) and an outer shaping plate (25) are provided on the threaded column (23) for shaping and limiting the welding joint of the two welding plates.
2. The anti-deformation device for controlling welding deformation as described in claim 1, characterized in that: The pressing assembly (3) includes a telescopic push rod (31) mounted on a fixed platform (12) and a rotating platform (13). A transition plate (32) located above the fixed platform (12) and the rotating platform (13) is mounted on the piston rod of the telescopic push rod (31). A pressing frame (33) for pressing the workpiece is mounted on the transition plate (32).
3. The anti-deformation device for controlling welding deformation as described in claim 2, characterized in that: A rubber pad (34) is installed on the bottom of the pressing frame (33), the fixed placement platform (12), and the rotating placement platform (13).
4. The anti-deformation device for controlling welding deformation as described in claim 1, characterized in that: The drive assembly (4) includes a first motor (41) mounted on the workbench (1), a first lead screw (42) is provided on the output shaft of the first motor (41), a limit rod (43) is provided on the first motor (41), a second slider (44) is mounted on the first lead screw (42) and the limit rod (43), and a telescopic cylinder (45) is hinged on the second slider (44), and the piston rod end of the telescopic cylinder (45) is hinged to the bottom of the rotating placement table (13).
5. The anti-deformation device for controlling welding deformation as described in claim 1, characterized in that: The workbench (1) is equipped with a second motor (51), and a transverse slide groove (52) is provided on the workbench (1). The output shaft of the second motor (51) is connected to a second lead screw (53) located inside the transverse slide groove (52). A slider three (54) is provided on the second lead screw (53), and a support plate (21) is installed on the slider three (54).
6. The anti-deformation device for controlling welding deformation as described in claim 5, characterized in that: A cover plate (55) is provided on the transverse slide (52).
7. The anti-deformation device for controlling welding deformation as described in claim 5, characterized in that: The support plate (21) has a longitudinal groove (26), and the slider (22) is slidably installed in the longitudinal groove (26).