Vertical seam double-gun welding equipment
By using a vertical double-gun welding machine, simultaneous welding of the front and back sides of the workpiece is achieved, which solves the problems of low welding efficiency and poor quality in the existing technology, improves welding efficiency and weld quality, and reduces welding stress and workpiece deformation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG SANJI PRECISION CONTROL AUTOMATION EQUIPMENT CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-04-17
AI Technical Summary
In existing technologies, double-sided welds have low welding efficiency and quality, and the welding stress is high, which can easily lead to workpiece deformation.
The vertical seam double-gun welding equipment uses a first clamping unit and a second clamping unit to clamp the workpiece synchronously, and the first welding gun and the second welding gun are moved synchronously by the feed unit to achieve synchronous welding of the front and back of the workpiece.
It improves welding efficiency and weld quality, and reduces welding stress and post-weld workpiece deformation.
Smart Images

Figure CN224128968U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of welding equipment technology, specifically to a vertical seam double-gun welding device. Background Technology
[0002] Double-sided welds are welds formed by welding on both sides of the same welding position in a workpiece. They are often used in structures that require high strength and sealing.
[0003] Some existing technologies involve first welding the front weld on one side of the position to be welded, then cleaning the root and removing the slag on the back side of the gap before welding the back weld. This method has low work efficiency and weld quality, high welding stress, and the welded workpiece is prone to deformation. Utility Model Content
[0004] This invention addresses the aforementioned technical problems in the prior art by providing a vertical double-gun welding device that can simultaneously weld on both the front and back sides of the workpiece joint, thereby improving work efficiency and weld quality.
[0005] To achieve the above technical objectives, this utility model provides a vertical seam double-gun welding device, comprising:
[0006] The first clamping unit includes a first fixed part and a first movable part disposed opposite to each other. The first movable part can move closer to or further away from the first fixed part to clamp or release the first workpiece.
[0007] The second clamping unit includes a second fixed part and a second movable part disposed opposite to each other. The second movable part can move closer to or further away from the second fixed part to clamp or release the second workpiece.
[0008] The first welding torch is located on one side of the front of the first clamping unit and the second clamping unit, and is used to weld the front weld at the connection between the first workpiece and the second workpiece.
[0009] The second welding torch is located on the opposite side of the first clamping unit and the second clamping unit, and is used to weld the reverse weld at the connection between the first workpiece and the second workpiece.
[0010] The feeding unit is fixedly connected to the first welding torch and the second welding torch, and is used to drive the first welding torch to move along the front weld seam and the second welding torch to move along the back weld seam.
[0011] Furthermore, the feeding unit includes a linear module and a horizontal adjustment seat, the horizontal adjustment seat being connected to the linear module and driven to move up and down;
[0012] The first welding torch and the second welding torch are respectively connected to the horizontal adjustment seat.
[0013] Furthermore, the first welding torch and the second welding torch are symmetrically arranged relative to the linear module.
[0014] Furthermore, the first clamping unit also includes a first clamping drive member, the front end of which is connected to the first movable part to drive the first movable part to move closer to or further away from the first fixed part.
[0015] The second clamping unit further includes a second clamping drive member, the front end of which is connected to the second movable part to drive the second movable part to move closer to or further away from the second fixed part.
[0016] Furthermore, the first clamping drive and the second clamping drive are cylinders.
[0017] Furthermore, the first workpiece and the second workpiece are plate-shaped workpieces.
[0018] Furthermore, the first welding torch is connected to the horizontal adjustment seat via a first support rod;
[0019] The second welding torch is connected to the horizontal adjustment seat via the second support rod.
[0020] Furthermore, the horizontal adjustment seat is provided with a fixing groove in the same direction as its extension, and the first welding gun and the second welding gun are respectively connected to the fixing groove by fasteners.
[0021] One or more technical solutions provided in this utility model embodiment have at least the following technical effects or advantages: the first workpiece is fixed by the first clamping unit, the second workpiece is fixed by the second clamping unit, and the first welding gun and the second welding gun are moved synchronously by the feeding unit to perform welding, thereby enabling simultaneous welding on the front and back sides of the weld to be welded, improving the welding efficiency and weld quality. Attached Figure Description
[0022] Figure 1 This is a perspective view of the vertical double-gun welding equipment of this utility model.
[0023] Figure 2 This is a front view of the vertical double-gun welding equipment of this utility model.
[0024] Figure 3 This is a top view of the vertical double-gun welding equipment of this utility model.
[0025] Explanation of reference numerals in the attached figures
[0026] 1. Base; 2. Feed unit; 3. Drive element; 4. Linear module; 5. Horizontal adjustment seat; 6. First support rod; 7. Second support rod; 8. First welding torch; 9. Second welding torch; 10. First fixed part; 11. Second fixed part; 12. First movable part; 13. Second movable part; 14. First clamping drive; 15. Second clamping drive; 16. First support base; 17. Second support base; 18. Fixing plate; 19. First clamping unit; 20. Second clamping unit; 21. First workpiece; 22. Second workpiece; 23. Fixing groove. Detailed Implementation
[0027] Other objects and advantages of this utility model will become clear by explaining the preferred embodiments of the present application below.
[0028] like Figures 1-3 As shown, the vertical seam double-gun welding equipment includes a first clamping unit 19, a second clamping unit 20, a first welding gun 8, a second welding gun 9, and a feed unit 2.
[0029] The first clamping unit 19 includes a first fixed part 10 and a first movable part 12 disposed opposite to each other. The first movable part 12 can move closer to or further away from the first fixed part 10 to clamp or release the first workpiece 21.
[0030] The second clamping unit 20 includes a second fixed part 11 and a second movable part 13 disposed opposite to each other. The second movable part 13 can move closer to or further away from the second fixed part 11 to clamp or release the second workpiece 22.
[0031] The first welding torch 8 is located on one side of the front of the first clamping unit 19 and the second clamping unit 20, and is used to weld the front weld at the connection between the first workpiece 21 and the second workpiece 22.
[0032] The second welding torch 9 is located on the opposite side of the first clamping unit 19 and the second clamping unit 20, and is used to weld the reverse weld at the connection between the first workpiece 21 and the second workpiece 22.
[0033] The feed unit 2 is fixedly connected to the first welding torch 8 and the second welding torch 9, and is used to drive the first welding torch 8 to move along the front weld seam and the second welding torch 9 to move along the back weld seam.
[0034] In this embodiment, the first workpiece 21 is fixed by the first clamping unit 19, the second workpiece 22 is fixed by the second clamping unit 20, and the first welding gun 8 and the second welding gun 9 are moved synchronously by the feeding unit 2 to perform welding. This enables simultaneous welding on the front and back sides of the weld seam, improving welding efficiency and weld quality, and reducing post-weld stress and deformation of the welded parts.
[0035] In some embodiments, the feed unit 2 includes a linear module 4 and a horizontal adjustment seat 5. The horizontal adjustment seat 5 is connected to the linear module 4 and is driven to move up and down. The first welding gun 8 and the second welding gun 9 are respectively connected to the horizontal adjustment seat 5.
[0036] In this embodiment, the horizontal adjustment seat 5 is driven to move up and down by the linear module 4, and then the first welding gun 8 and the second welding gun 9 are driven to move synchronously by the horizontal adjustment seat 5, so as to realize the synchronous welding of the front and back welds of the workpiece.
[0037] In this embodiment, the linear module 4 may include a driving element 3, which may be, for example, an electric motor, through which power is provided to drive the horizontal adjustment seat 5 to move up and down.
[0038] In some embodiments, the first welding torch 8 and the second welding torch 9 are symmetrically arranged relative to the linear module 4, so that the linear module 4 is in a state of left-right balance under stress, thereby improving the service life of the linear module 4.
[0039] In some embodiments, the first clamping unit 19 further includes a first clamping drive member 14, the front end of which is connected to the first movable part 12 to drive the first movable part 12 to move closer to or away from the first fixed part 10.
[0040] The second clamping unit 20 also includes a second clamping drive member 15, the front end of which is connected to the second movable part 13 to drive the second movable part 13 to move closer to or further away from the second fixed part 11.
[0041] In some embodiments, the first clamping drive 14 and the second clamping drive 15 are cylinders, thereby operating through the pneumatic system first clamping unit 19 and second clamping unit 20, which are fast and environmentally friendly.
[0042] In some embodiments, the first clamping drive member 14 is supported by the first support base 16, the second clamping drive member 15 is supported by the second support base 17, and the first support base 16 and the second support base 17 are fixed to the upper side of the fixing plate 18.
[0043] In some embodiments, the first workpiece 21 and the second workpiece 22 are plate-shaped workpieces. This vertical double-gun welding equipment is used to achieve double-sided synchronous welding of the joint gap of the plate-shaped workpieces, resulting in a firm bond and uniform stress.
[0044] In some embodiments, the first welding torch 8 is connected to the horizontal adjustment seat 5 via the first support rod 6; the second welding torch 9 is connected to the horizontal adjustment seat 5 via the second support rod 7. Further, the horizontal adjustment seat 5 is provided with a fixing groove 23 in the same direction as its extension. The first welding torch 8 and the second welding torch 9 are respectively connected to the fixing groove 23 via fasteners, such as T-bolts.
[0045] In this embodiment, the connection between the first support rod 6, the second support rod 7 and the horizontal adjustment seat 5 is realized through the above-mentioned fixing groove 23, which facilitates the adjustment of the distance between the first welding gun 8 and the second welding gun 9, thereby adapting to the welding requirements of workpieces of different sizes.
[0046] In some embodiments, the vertical seam dual-gun welding equipment further includes a base 1, and the aforementioned feed unit 2, first clamping unit 19, and second clamping unit 20 are fixed on the upper side of the base 1.
[0047] The working principle of a vertical seam dual-gun welding device according to an embodiment of this utility model is as follows: A first workpiece 21 is clamped by a first clamping unit 19, and a second workpiece 22 is clamped by a second clamping unit 20. During clamping, the first workpiece 21 and the second workpiece 22 are aligned at their welding positions. After adjusting the first welding gun 8 and the second welding gun 9 to the starting position, the linear module 4 drives the first welding gun 8 and the second welding gun 9 to move synchronously downwards, achieving synchronous welding of the front and back seams.
[0048] The apparatus of this application has been described in detail with reference to the preferred technical solutions. However, it should be noted that, without departing from the spirit of this application, those skilled in the art can make any modifications, alterations, and variations based on the above disclosure. This application includes the above-described specific embodiments and any equivalent forms thereof.
Claims
1. A butt joint double gun welding apparatus, characterized by, include: The first clamping unit (19) includes a first fixed part (10) and a first movable part (12) disposed opposite to each other. The first movable part (12) can move closer to or further away from the first fixed part (10) to clamp or release the first workpiece (21). The second clamping unit (20) includes a second fixed part (11) and a second movable part (13) disposed opposite to each other. The second movable part (13) can move closer to or further away from the second fixed part (11) to clamp or release the second workpiece (22). The first welding torch (8) is located on one side of the front of the first clamping unit (19) and the second clamping unit (20), and is used to weld the front weld at the connection between the first workpiece (21) and the second workpiece (22). The second welding torch (9) is located on the opposite side of the first clamping unit (19) and the second clamping unit (20), and is used to weld the reverse weld at the connection between the first workpiece (21) and the second workpiece (22); The feed unit (2) is fixedly connected to the first welding torch (8) and the second welding torch (9) for driving the first welding torch (8) to move along the front weld seam and the second welding torch (9) to move along the back weld seam.
2. The vertical seam double-gun welding equipment as described in claim 1, characterized in that, The feeding unit (2) includes a linear module (4) and a horizontal adjustment seat (5). The horizontal adjustment seat (5) is connected to the linear module (4) and is driven to move up and down. The first welding torch (8) and the second welding torch (9) are respectively connected to the horizontal adjustment seat (5).
3. The vertical seam double-gun welding equipment as described in claim 2, characterized in that, The first welding torch (8) and the second welding torch (9) are symmetrically arranged relative to the linear module (4).
4. The vertical seam double-gun welding equipment as described in claim 1, characterized in that, The first clamping unit (19) includes a first clamping drive member (14), the front end of which is connected to a first movable part (12) to drive the first movable part (12) to move closer to or further away from the first fixed part (10). The second clamping unit (20) includes a second clamping drive member (15), the front end of which is connected to the second movable part (13) to drive the second movable part (13) to move closer to or further away from the second fixed part (11).
5. The vertical seam double-gun welding equipment as described in claim 4, characterized in that, The first clamping drive (14) and the second clamping drive (15) are cylinders.
6. The vertical seam double-gun welding equipment as described in claim 1, characterized in that, The first workpiece (21) and the second workpiece (22) are plate-shaped workpieces.
7. The vertical seam double-gun welding equipment as described in claim 2, characterized in that, The first welding torch (8) is connected to the horizontal adjustment seat (5) via the first support rod (6); The second welding torch (9) is connected to the horizontal adjustment seat (5) via the second support rod (7).
8. The vertical joint double-gun welding device according to claim 7, characterized in that, The horizontal adjustment seat (5) is provided with a fixed groove (23) extending in the same direction, and the first welding gun (8) and the second welding gun (9) are connected with the fixed groove (23) through fasteners respectively.