Variable pipe welding face argon protection device
By designing a variable argon-filled protective device for front-side pipe welding, and utilizing argon pipes and stainless steel mesh to achieve uniform argon output, the problem of uneven argon protection in pipe welding was solved, thus improving welding quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG THERMAL POWER CONSTR CO LTD
- Filing Date
- 2025-05-15
- Publication Date
- 2026-06-02
AI Technical Summary
During pipeline welding, existing argon arc welding technology struggles to achieve uniform argon gas protection, especially since the curvature of the pipeline makes it difficult for argon gas to be released evenly, thus affecting the welding effect.
A variable pipeline welding front argon purging protection device was designed, including a device housing, an argon arc gun sleeve, an argon gas pipe, and a stainless steel mesh. The argon gas pipe outputs a stable argon gas flow, and the stainless steel mesh achieves gas flow uniformity, adapting to pipeline welding of different diameters.
It achieves uniform and stable argon gas output during pipeline welding, provides effective protection, adapts to welding requirements of different pipe diameters, and improves welding quality.
Smart Images
Figure CN224309789U_ABST
Abstract
Description
[Technical Field]
[0001] This utility model relates to the technical field of pipeline welding, and in particular to the technical field of a variable pipeline welding front argon purging protection device. [Background Technology]
[0002] Argon arc welding (argon arc welding) is a welding technique that uses argon gas as a shielding gas; it is also known as argon gas shielded welding. Argon gas is circulated around the arc welding area to isolate the weld zone from air and prevent oxidation. However, in pipeline welding, the curvature of the pipe makes it difficult for argon gas to be released evenly and provide adequate protection. Therefore, an argon gas shielding device is needed for pipeline welding. [Utility Model Content]
[0003] The purpose of this invention is to solve the problems in the prior art by proposing a variable pipeline welding front argon purging protection device, which can provide front gas protection during pipeline argon arc welding and output a stable gas flow.
[0004] To achieve the above objectives, this utility model proposes a variable pipeline welding front argon purging protection device, including a device shell, an argon arc gun sleeve, an argon gas pipe, and stainless steel mesh. The argon arc gun sleeve is fixed to the side of the device shell, and an argon arc welding gun is fixed inside the argon arc gun sleeve. The device shell is a square hollow shell, and the end face of the open side of the device shell abuts against the pipeline. An argon gas pipe is fixed inside the device shell, and several argon gas outlets are evenly distributed on the argon gas pipe. Stainless steel mesh is fixed at the argon gas outlets of the argon gas pipe and is fixed to the inner wall of the argon gas pipe. The argon gas inlet at the end of the argon gas pipe is connected to the outlet of a liquid argon gas tank, and the argon gas pipe is used to transport argon gas.
[0005] Preferably, the device housing is a square hollow housing with an arc-shaped opening, which facilitates fitting with the pipe. An argon arc gun sleeve is welded to the side of the device housing.
[0006] Preferably, the argon arc gun sleeve is a stainless steel tightening clamp, which is used to fix the argon arc welding gun. The argon arc welding gun is placed inside the argon arc gun sleeve, and the entire device can move with the argon arc welding gun.
[0007] Preferably, the argon tube is welded inside the device housing, and the argon outlet on the argon tube is located on the open side of the device housing. The argon outlet is a circular through hole, and a stainless steel mesh is welded to the argon outlet on the inner wall of the argon tube. Furthermore, the stainless steel mesh is composed of stainless steel wires arranged in a cross shape, which makes the output argon gas flow uniform.
[0008] Preferably, the device also includes a first spring, a pressable buckle, a pull rod, and a second spring. The device housing has several spring feet inside the opening side, and a second spring is installed inside each spring foot. One end of the second spring is fixed to the bottom of the spring foot, and the other end is fixed to a pull rod. A pressable buckle is fitted on the pull rod, and the end of the pressable buckle is fitted with the first spring. The other end of the first spring is fixed to the device housing. The structure consisting of the first spring, the pressable buckle, the pull rod, and the second spring can adapt to pipes of different diameters.
[0009] The beneficial effects of this utility model are as follows: This utility model is used for argon purging protection on the front side of argon arc welding. It is installed on the argon arc welding torch during welding to output a stable flow of argon gas. The housing of this utility model is arc-shaped facing the pipe. In order to be suitable for welding different pipe diameters, the open side of the housing is provided with an adjustable arc structure that fits the pipe.
[0010] The features and advantages of this utility model will be described in detail through embodiments and accompanying drawings. [Attached Image Description]
[0011] Figure 1 This is a rear view of a variable pipeline welding front argon purging protection device according to the present invention;
[0012] Figure 2 This is a top view of a variable pipeline welding front argon purging protection device according to the present invention;
[0013] Figure 3 This is a utility model Figure 2 AA section view in the middle;
[0014] Figure 4 This is a front view of the implementation of the variable pipeline welding front argon purging protection device of this utility model.
[0015] In the diagram: 1-device housing, 11-spring foot, 2-argon arc gun sleeve, 3-argon gas pipe, 31-argon gas outlet, 32-argon gas inlet, 4-stainless steel mesh, 5-first spring, 6-pressable buckle, 7-pull rod, 8-second spring, 9-pipe, 91-weld seam, 10-argon arc welding gun.
Detailed Implementation Methods
[0016] See Figure 1 , Figure 2 , Figure 3 and Figure 4This utility model includes a device housing 1, an argon arc gun sleeve 2, an argon gas tube 3, and a stainless steel mesh 4. The argon arc gun sleeve 2 is fixed to the side of the device housing 1, and an argon arc welding gun 10 is fixed inside the argon arc gun sleeve 2. The device housing 1 is a square hollow shell, and the end face of the open side of the device housing 1 abuts against the pipe 9. An argon gas tube 3 is fixed inside the device housing 1. Several argon gas outlets 31 are evenly distributed on the argon gas tube 3. A stainless steel mesh 4 is fixed at the argon gas outlets 31 of the argon gas tube 3. The stainless steel mesh 4 is fixed to the inner wall of the argon gas tube 3. The argon gas inlet 32 at the end of the argon gas tube 3 is connected to the outlet of a liquid argon gas tank. The argon gas tube 3 is used to transport argon gas.
[0017] Specifically, the device housing 1 is a square hollow housing with an arc-shaped opening. An argon arc gun sleeve 2 is welded to the side of the device housing 1. The argon arc gun sleeve 2 is a stainless steel tightening clamp used to fix the argon arc welding gun 10. The argon gas pipe 3 is welded inside the device housing 1, and the argon gas outlet 31 on the argon gas pipe 3 is located on the opening side of the device housing 1. The argon gas outlet 31 is a circular through hole. A stainless steel mesh 4 is welded to the argon gas outlet 31 on the inner wall of the argon gas pipe 3. The stainless steel mesh 4 is composed of stainless steel wires arranged in a cross shape.
[0018] Specifically, the protective device also includes a first spring 5, a pressable buckle 6, a pull rod 7, and a second spring 8. The device housing 1 has several spring feet 11 inside the opening side. The second spring 8 is installed inside the spring feet 11. One end of the second spring 8 is fixed to the bottom of the spring foot 11, and the other end is fixed to the pull rod 7. The pull rod 7 is fitted with a pressable buckle 6. The end of the pressable buckle 6 is fitted with the first spring 5. The other end of the first spring 5 is fixed to the device housing 1.
[0019] The working process of this utility model:
[0020] The working process of this utility model, a variable pipeline welding front argon purging protection device, is described in conjunction with the accompanying drawings.
[0021] Appendix Figure 4 To implement the state diagram, the argon arc welding torch 10 is placed inside the argon arc torch sleeve 2 and tightened by screws on the sleeve 2. The sleeve 2 is made of stainless steel and can be used with argon arc torch sleeves of different diameters. Hold the argon arc welding torch 10 so that the open side of the device housing 1 is against the pipe 9. Open the liquid argon gas tank, and the argon gas in the liquid argon gas tank is delivered through the argon gas pipe 3. The argon gas flows out from the stainless steel mesh 4, forming a uniform and stable protective gas on the front side of the pipe 9 to be welded. The weld 91 is then processed by the argon arc welding torch 10.
[0022] The protective device also includes a structure consisting of a first spring 5, a pressable buckle 6, a pull rod 7, and a second spring 8, which is used to adapt to welding of different pipe diameters. When fixing is required, the pressable buckle 6 is used to release the lock. The pressable buckle 6 is a horizontal bar with a hook on the inside of the horizontal bar, which can hook the pull rod 7. The pull rod 7 is pushed outward under the action of the second spring 8, and the opening side of the device housing 1 abuts against the pipe 9. When the pull rod 7 is fixed in position, the pressable buckle 6 locks the pull rod 7. When the pressable buckle 6 locks the pull rod 7, the first spring 5 plays a lateral elastic pressing role. Pressing the pressable buckle 6 can break the elastic force of the first spring 5.
[0023] The above embodiments are illustrative of the present invention and are not intended to limit the present invention. Any simple modifications to the present invention are within the protection scope of the present invention.
Claims
1. A variable pipeline welding front-side argon purging protection device, characterized in that: The device includes a housing (1), an argon arc gun sleeve (2), an argon tube (3), and a stainless steel mesh (4). The argon arc gun sleeve (2) is fixed on the side of the housing (1), and an argon arc welding gun (10) is fixed inside the argon arc gun sleeve (2). The housing (1) is a square hollow housing. The end face of the open side of the housing (1) abuts against the pipe (9). An argon tube (3) is fixed inside the housing (1). Several argon outlets (31) are evenly distributed on the argon tube (3). A stainless steel mesh (4) is fixed at the argon outlet (31) of the argon tube (3). The stainless steel mesh (4) is fixed to the inner wall of the argon tube (3). The argon inlet (32) at the end of the argon tube (3) is connected to the outlet of the liquid argon tank. The argon tube (3) is used to transport argon.
2. The variable pipeline welding front argon purging protection device as described in claim 1, characterized in that: The device housing (1) is a square hollow housing with an arc-shaped opening. An argon arc gun sleeve (2) is welded to the side of the device housing (1).
3. The variable pipeline welding front argon purging protection device as described in claim 1, characterized in that: The argon arc gun sleeve (2) is a stainless steel tightening clamp, which is used to fix the argon arc welding gun (10).
4. The variable pipeline welding front argon purging protection device as described in claim 1, characterized in that: The argon tube (3) is welded inside the device housing (1), and the argon outlet (31) on the argon tube (3) is located on the opening side of the device housing (1). The argon outlet (31) is a circular through hole, and a stainless steel mesh (4) is welded to the argon outlet (31) on the inner wall of the argon tube (3).
5. The variable pipeline welding front argon purging protection device as described in claim 1, characterized in that: The stainless steel mesh (4) is a cross-shaped mesh made of stainless steel wires.
6. The variable pipeline welding front argon purging protection device as described in claim 1, characterized in that: It also includes a first spring (5), a pressable buckle (6), a pull rod (7) and a second spring (8). The device housing (1) has several spring feet (11) inside the opening side. The second spring (8) is installed inside the spring feet (11). One end of the second spring (8) is fixed to the bottom of the spring foot (11) and the other end is fixed to the pull rod (7). The pull rod (7) is fitted with a pressable buckle (6). The end of the pressable buckle (6) is fitted with the first spring (5). The other end of the first spring (5) is fixed to the device housing (1).