Metal plate welding device

By designing a sheet metal welding fixture containing a limiting plate, adjustment screw and angle measuring ruler, the problem of unappearance of welds caused by the shaking of the welding gun during welding is solved, and the stability and accuracy of welding are improved.

CN222754711UActive Publication Date: 2025-04-15QIURUI SHEET METAL TECHNOLOGY (KUNSHAN) CO LTD
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Patent Information

Application Number
CN202421301801.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-04-15
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

During sheet metal welding, the movement of the welding gun needs to follow the swing of the welding rod, which will affect the welding effect when the hand swings amplitude is large, resulting in the unsightly welded seam.

Method used

A sheet metal welding device is designed, including a welding fixture. The fixture has a built-in limit plate, an adjustment screw and an angle measuring ruler. Through the coordination of the limit plate swing arm and the adjustment screw, the stable movement of the welding gun is achieved, and the welding angle is read through the angle measuring ruler.

Benefits of technology

It effectively prevents the jitter of the welding gun during the welding process, ensures the aesthetics and quality of the welds, and improves the stability and accuracy of the welding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of metal plate welding, and particularly discloses a metal plate welding device which comprises a welding clamp, the welding clamp comprises a first limiting plate and a second limiting plate, limiting plate swing arms are installed on the inner side wall of the second limiting plate and the inner side wall of the first limiting plate, and an adjusting screw rod is installed in one end of each limiting plate swing arm. The limiting mechanism comprises a first connecting rod and a second connecting rod, one end, located on the lower surface of the bracket, of the second connecting rod is provided with a guide sliding groove, a threaded sleeve is connected between the first connecting rod and the second connecting rod, and a welding gun inserting ring is installed at one end of the first connecting rod. After the head of the welding gun is inserted into the welding gun inserting ring, in the wire moving process of the welding gun, the second connecting rod integrally slides in the guide sliding groove below the bracket to follow the movement of the welding gun, and therefore the situation that in the welding process, the welding gun shakes, and consequently a welding seam is not attractive can be prevented.
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Description

Technical Field

[0001] The utility model relates to the field of sheet metal welding, in particular to a sheet metal welding device. Background Art

[0002] Sheet metal is a comprehensive cold processing technology for thin metal plates, including shearing, punching, cutting, compounding, folding, riveting, splicing, forming, etc. Its most notable feature is that the thickness of the same part is consistent. Sheet metal welding is a key process in various industries. Connecting thin metal plates is necessary for manufacturing structures, components and assemblies.

[0003] However, when welding plates, because the welding rod needs to move with the welding gun, if the operator's hand swings a little too much, it will affect the welding effect. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a sheet metal welding device to solve the problems mentioned in the above background.

[0005] The utility model provides the following technical solutions: a sheet metal welding device, including a welding fixture, the welding fixture including: a first limit plate, a second limit plate, the inner side walls of the second limit plate and the first limit plate are both installed with limit plate swing arms, an adjusting screw is installed inside one end of the limit plate swing arm, the first limit plate and the second limit plate are both provided with adjustment grooves inside, the outer sides of the first limit plate and the second limit plate are both provided with brackets, a limit mechanism is provided on one side of the first limit plate, the limit mechanism includes: a first connecting rod and a second connecting rod, one end of the second connecting rod is located on the lower surface of the bracket and is provided with a guide groove, a threaded sleeve is connected between the first connecting rod and the second connecting rod, and a welding gun insert ring is installed at one end of the first connecting rod.

[0006] As a further solution of the utility model: an engaging ring is arranged below the bracket and above the positioning slide groove, and a positioning screw is installed inside the engaging ring.

[0007] As a further solution of the utility model: one end of the welding fixture is located outside the adjusting screw and an angle measuring ruler is installed, a through groove is opened inside the angle measuring ruler, and the outer surface of the limit plate swing arm is located inside the through groove and a degree connecting rod is installed.

[0008] As a further solution of the utility model: the first connecting rod and the second connecting rod are meshedly connected with the threaded sleeve, and the first connecting rod is slidably connected with the guide groove.

[0009] As a further solution of the present invention: the bracket is an L-shaped component, and the outer diameters of the first limiting plate and the second limiting plate are the same.

[0010] As a further solution of the utility model: the positioning screw is movably connected to the engagement ring in engagement, and the engagement ring is fixedly connected to the bracket.

[0011] As a further solution of the present invention: the welding gun insert ring is fixedly connected to the first connecting rod.

[0012] As a further solution of the utility model: the degree connecting rod is fixedly connected to the limit plate swing arm, and the first limit plate and the second limit plate are both movably connected by meshing with the adjusting screw through the limit plate swing arm.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] After the head of the welding gun is inserted into the welding gun insert ring, during the wire feeding process of the welding gun, the second connecting rod is used to slide as a whole in the guide groove under the bracket to follow the movement of the welding gun, thereby preventing the welding gun from shaking during the welding process and causing an unsightly weld.

[0015] The limit plate swing arm on the inner side of the first limit plate and the second limit plate is controlled to rotate on the outer side of the adjusting screw, and the degree connecting rod on the angle measuring scale is read by sliding in the through groove on the limit plate swing arm, which can be used to support plates with different welding angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a sheet metal welding device;

[0017] Figure 2 It is a structural schematic diagram of a limiting mechanism in a sheet metal welding device;

[0018] Figure 3 It is a structural schematic diagram of an angle measuring ruler in a sheet metal welding device;

[0019] Figure 4 It is a partially enlarged schematic diagram of a bracket in a sheet metal welding device;

[0020] Figure 5 The figure is a side view of a welding fixture in a sheet metal welding device.

[0021] In the figure: 1. welding fixture; 2. first limit plate; 3. second limit plate; 4. angle measuring ruler; 5. bracket; 6. adjustment slide; 7. limit mechanism; 8. adjusting screw; 9. positioning screw; 201. limit plate swing arm; 202. degree connecting rod; 401. through groove; 501. guide slide; 502. engagement ring; 701. first connecting rod; 702. second connecting rod; 703. threaded sleeve; 704. welding gun insert ring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-5 As shown, the present embodiment provides a sheet metal welding device, including a welding fixture 1, the welding fixture 1 includes: a first limiting plate 2, a second limiting plate 3, the first limiting plate 2 and the second limiting plate 3 have the same outer diameter, the inner side walls of the second limiting plate 3 and the first limiting plate 2 are both installed with a limiting plate swing arm 201, an adjusting screw 8 is installed inside one end of the limiting plate swing arm 201, the first limiting plate 2 and the second limiting plate 3 are both provided with a positioning slide groove 6, the outer sides of the first limiting plate 2 and the second limiting plate 3 are both provided with a bracket 5, the first limiting plate 2 A limiting mechanism 7 is provided on one side, and the limiting mechanism 7 includes: a first connecting rod 701 and a second connecting rod 702. One end of the second connecting rod 702 is located on the lower surface of the bracket 5 and is provided with a guide groove 501. The first connecting rod 701 is slidably connected to the guide groove 501. A threaded sleeve 703 is connected between the first connecting rod 701 and the second connecting rod 702. The first connecting rod 701 and the second connecting rod 702 are meshedly connected with the threaded sleeve 703. A welding gun plug ring 704 is installed at one end of the first connecting rod 701, and the welding gun plug ring 704 is fixedly connected to the first connecting rod 701.

[0024] like Figure 2-5As shown, in this embodiment, an engaging ring 502 is provided below the bracket 5 and above the adjusting slot 6. The bracket 5 is an L-shaped component. A positioning screw 9 is installed inside the engaging ring 502. The engaging ring 502 is fixedly connected to the bracket 5. The positioning screw 9 is engaged and movably connected with the engaging ring 502. One end of the welding fixture 1 is located outside the adjusting screw 8 and an angle measuring ruler 4 is installed thereon. A through groove 401 is provided inside the angle measuring ruler 4. The outer surface of the limit plate swing arm 201 is located inside the through groove 401 and a degree connecting rod 202 is installed thereon. The degree connecting rod 202 is fixedly connected to the limit plate swing arm 201. The first limit plate 2 and the second limit plate 3 are both engaged and movably connected with the adjusting screw 8 through the limit plate swing arm 201.

[0025] The working principle of the utility model is as follows: when in use, according to the size of the angle between the two plates to be welded, the limit plate swing arm 201 on the inner side of the first limit plate 2 and the second limit plate 3 is controlled to rotate on the outer side of the adjusting screw 8, and the degree connecting rod 202 on the angle measuring ruler 4 is read by sliding in the through groove 401 on the limit plate swing arm 201, and the two plates to be welded are placed inside the bracket 5 on the first limit plate 2 and the second limit plate 3 respectively, and the positioning screw 9 is used to control the limit position of the meshing collar 502 above the adjustment slide groove 6, The bracket 5 is moved as a whole above the first limit plate 2 and the second limit plate 3, so that the edges to be welded of the two plates are aligned. According to the installation position of the bracket 5, the overall length of the first connecting rod 701 and the second connecting rod 702 is adjusted by applying torque to the threaded sleeve 703 as a whole. After the head of the welding gun is inserted into the interior of the welding gun plug ring 704, during the wire feeding process of the welding gun, the second connecting rod 702 is used to slide as a whole in the guide groove 501 under the bracket 5 to follow the movement of the welding gun, thereby preventing the welding gun from shaking during the welding process, resulting in an unsightly weld.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sheet metal welding device, comprising a welding fixture (1), characterized in that: The welding fixture (1) comprises: a first limit plate (2) and a second limit plate (3); the inner side walls of the second limit plate (3) and the first limit plate (2) are both provided with limit plate swing arms (201); an adjusting screw (8) is installed inside one end of the limit plate swing arm (201); the first limit plate (2) and the second limit plate (3) are both provided with adjustment slots (6); the outer sides of the first limit plate (2) and the second limit plate (3) are both provided with support screws (8); A bracket (5) is provided with a limiting mechanism (7) on one side of the first limiting plate (2), the limiting mechanism (7) comprising: a first connecting rod (701) and a second connecting rod (702), one end of the second connecting rod (702) being located on the lower surface of the bracket (5) and having a guide groove (501), a threaded sleeve (703) being connected between the first connecting rod (701) and the second connecting rod (702), and one end of the first connecting rod (701) being installed with a welding gun insert ring (704).

2. A sheet metal welding device according to claim 1, characterized in that: An engaging collar (502) is provided below the bracket (5) and above the positioning slide groove (6), and a positioning screw (9) is installed inside the engaging collar (502).

3. A sheet metal welding device according to claim 1, characterized in that: An angle measuring ruler (4) is installed at one end of the welding fixture (1) outside the adjusting screw (8), a through slot (401) is provided inside the angle measuring ruler (4), and a degree connecting rod (202) is installed on the outer surface of the limit plate swing arm (201) inside the through slot (401).

4. A sheet metal welding device according to claim 1, characterized in that: The first connecting rod (701) and the second connecting rod (702) are meshedly connected to the threaded sleeve (703), and the first connecting rod (701) is slidably connected to the guide sliding groove (501).

5. The sheet metal welding device according to claim 1, characterized in that: The bracket (5) is an L-shaped component, and the first limiting plate (2) and the second limiting plate (3) have the same outer diameter.

6. A sheet metal welding device according to claim 2, characterized in that: The positioning screw (9) is movably connected to the engagement ring (502) in an engaged manner, and the engagement ring (502) is fixedly connected to the bracket (5).

7. The sheet metal welding device according to claim 1, characterized in that: The welding gun insert ring (704) is fixedly connected to the first connecting rod (701).

8. The sheet metal welding device according to claim 3, characterized in that: The degree connecting rod (202) is fixedly connected to the limit plate swing arm (201), and the first limit plate (2) and the second limit plate (3) are both movably connected to the adjustment screw (8) by meshing with the limit plate swing arm (201).