Argon filling device for argon arc welding

By introducing an airflow regulating mechanism and a unique shape design of the gas supply pipe into the argon purging device for argon arc welding, the problem of the inability to adjust the argon gas flow rate was solved, enabling flexible control of the argon gas flow rate and improving welding quality.

CN223903087UActive Publication Date: 2026-02-13SHANGHAI PETROCHEMICAL JINDIAN IND CO LTD
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Patent Information

Application Number
CN202520366503.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-02-13
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

Existing argon arc welding equipment cannot control the argon flow rate according to the actual conditions such as the material and hardness of the workpiece, which affects the welding quality.

Method used

An argon-filling device for argon arc welding was designed. The argon flow rate is adjusted by an airflow regulating mechanism, which includes a plug plate, air holes, connecting rods, fasteners, and a rotating plate. The rotating plate has holes of different diameters, which can adjust the argon flow rate according to the workpiece material. The unique shape design of the gas supply pipe ensures the uniformity and stability of the argon supply.

Benefits of technology

This technology enables the adjustment of argon flow rate based on workpiece material, saving argon consumption and improving welding quality and the practicality of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an argon arc welding argon filling device, and belongs to the technical field of argon arc welding argon filling, the argon arc welding argon filling device comprises an air supply pipe, an air cylinder, an air conveying pipe, a hose, a handle pipe and a welding head, the air cylinder is detachably connected to one end of the air supply pipe, and the air conveying pipe is fixedly connected to the end, away from the air supply pipe, of the air cylinder; the end, away from the inflator, of the air conveying pipe is fixedly connected with a hose. The argon flow speed adjusting device is novel in design and ingenious, the argon flow speed in the pipe body can be adjusted according to the material of a workpiece, firstly, an air cylinder is detached from an air supply pipe, then a fastening piece is rotated anticlockwise, a rotating plate is loosened, at the moment, the rotating plate can rotate by 360 degrees, and by forming holes with different diameters in the rotating plate, the argon flow speed can be adjusted; when the large hole is communicated with the air hole, the flow velocity of argon can be increased, and when the small hole is communicated with the air hole, the flow velocity of argon can be reduced, so that argon is saved to a certain extent, unnecessary consumption is reduced, and the practicability of the device is greatly improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of argon arc welding argon filling, and particularly relates to an argon arc welding argon filling device. BACKGROUND

[0002] In the published patent with the authorized announcement number CN218461137U, a small pipe argon arc welding argon filling device is disclosed, which comprises a gas supply pipe and a gas conveying pipe. The gas inlet end of the gas supply pipe is connected with a gas source. The gas outlet end of the gas supply pipe is connected with the gas inlet of the gas conveying pipe through a control valve. The section of the gas conveying pipe far from the gas inlet is a flat section. The end of the flat section far from the gas inlet is a closed end arranged in a closed mode. The flat section is in a flat sheet structure so that the closed end can be inserted into a slit. The two sides of the flat section close to the closed end are both provided with a gas outlet hole group. The gas outlet hole group comprises a plurality of gas outlet holes. When the flat section is inserted into a welding gap, argon gas is simultaneously discharged from the two sides of the flat section, thereby ensuring the uniformity and stability of argon gas supply. Through the design of the flat section, the small pipe argon arc welding argon filling device can work in a smaller welding groove gap. It is easier to form an environment isolated from oxygen when the welding groove gap is small, thereby improving the welding quality and saving welding materials and argon gas.

[0003] The small pipe argon arc welding argon filling device in the above patent cannot control the flow rate of argon gas according to the actual conditions such as the material and hardness of a workpiece during the argon arc welding process, thereby affecting the welding quality of the workpiece.

[0004] Therefore, the application provides an argon arc welding argon filling device. CONTENT OF THE UTILITY MODEL

[0005] The argon arc welding argon filling device provided by the application can adjust the flow rate of argon gas in the pipe body according to the material of the workpiece. First, the gas cylinder is detached from the gas supply pipe. Then, the fastener is rotated counterclockwise to loosen the rotating plate. At this time, the rotating plate can rotate 360 degrees. Different diameter holes are formed in the rotating plate. When the large hole is communicated with the gas hole, the flow rate of argon gas can be increased. When the small hole is communicated with the gas hole, the flow rate of argon gas can be reduced. In a certain extent, argon gas is saved, unnecessary consumption is reduced, and the practicability of the device is greatly improved.

[0006] In order to achieve the above purpose, the application adopts the following technical scheme:

[0007] The argon arc welding argon filling device comprises a gas supply pipe, a gas cylinder, a gas conveying pipe, a hose, a handle pipe and a welding head. One end of the gas supply pipe is detachably connected with the gas cylinder. The end of the gas cylinder far from the gas supply pipe is fixedly connected with the gas conveying pipe. The end of the gas conveying pipe far from the gas cylinder is fixedly connected with the hose. The end of the hose far from the gas conveying pipe is fixedly connected with the handle pipe. The end of the handle pipe far from the hose is fixedly connected with the welding head. The inside of the gas cylinder is provided with a gas flow adjusting mechanism.

[0008] As a preferred implementation form, the gas flow adjusting mechanism comprises a blocking plate, a gas hole, a connecting rod, a fastener, a rotating plate, a large hole and a small hole;

[0009] By means of the gas flow adjusting mechanism, argon is saved to a certain extent, unnecessary consumption is reduced, and the practicability of the device is improved.

[0010] As a preferred implementation form, the blocking plate is fixedly connected to the inside of the gas cylinder and located at one end of the gas conveying pipe, and the inside of the blocking plate is provided with a gas hole;

[0011] When the large hole on the rotating plate communicates with the gas hole on the blocking plate, argon is input through the gas supply pipe, changes the flow rate in the gas cylinder, and enters the gas conveying pipe, thereby improving the practicability of the device.

[0012] As a preferred implementation form, the side of the blocking plate away from the gas conveying pipe is fixedly connected with a connecting rod, and the connecting rod is provided with a fastener;

[0013] When the large hole on the rotating plate communicates with the gas hole on the blocking plate, the fastener is further rotated clockwise to fix the rotating plate, thereby improving the practicability of the device.

[0014] As a preferred implementation form, the rotating plate is rotatably connected to the connecting rod and located between the blocking plate and the fastener, the inside of the rotating plate is respectively provided with a group of large holes and a group of small holes, the number of the group of large holes is four, and the number of the group of small holes is five;

[0015] By means of the holes with different diameters on the rotating plate, when the large hole communicates with the gas hole, the flow rate of argon can be increased, and when the small hole communicates with the gas hole, the flow rate of argon can be reduced, thereby improving the practicability of the device.

[0016] As a preferred implementation form, the pipe body of the gas conveying pipe is in a flat shape, and the pipe body of the gas conveying pipe is bent into a roll through a special process;

[0017] By means of the unique shape design of the gas conveying pipe, the argon in the gas conveying pipe flows slowly and can stably surge to the welding head, so that the uniformity and stability of argon supply are ensured, the welding quality of the welding head is improved, and the practicability of the device is improved.

[0018] The beneficial effects of the present application are as follows:

[0019] 1. The argon arc welding argon filling device can adjust the argon flow rate in the pipe body according to the material of the workpiece. First, the air cylinder is detached from the gas supply pipe, then the fastener is rotated counterclockwise to loosen the rotating plate, which can rotate 360 degrees. By opening holes of different diameters on the rotating plate, when the large hole is connected with the gas hole, the argon flow rate can be increased, and when the small hole is connected with the gas hole, the argon flow rate can be reduced, thereby saving argon to a certain extent, reducing unnecessary consumption, and greatly improving the practicability of the device.

[0020] 2. The argon arc welding argon filling device, during use, the argon gas is input through the gas supply pipe, changes the flow rate through the air cylinder, and enters the gas supply pipe. The unique shape design of the gas supply pipe makes the argon gas in the gas supply pipe flow slowly, which can stably flow to the welding head, ensuring the uniformity and stability of argon supply, thereby improving the welding quality of the welding head, and greatly improving the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall schematic diagram of the device of the present application;

[0022] Figure 2 It is the internal schematic diagram of the air cylinder of the device of the present application;

[0023] Figure 3 It is the schematic diagram of the gas supply pipe of the device of the present application;

[0024] Figure 4 It is the schematic diagram of the rotating plate of the device of the present application.

[0025] In the figure, 1 is a gas supply pipe; 21 is a gas flow adjusting mechanism; 211 is a blocking plate; 212 is a gas hole; 213 is a connecting rod; 214 is a fastener; 215 is a rotating plate; 216 is a large hole; 217 is a small hole; 2 is an air cylinder; 3 is a gas supply pipe; 4 is a hose; 5 is a handle pipe; 6 is a welding head. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0027] REFERENCE Figures 1-4 An argon arc welding argon filling device, comprising a gas supply pipe 1, an air cylinder 2, a gas supply pipe 3, a hose 4, a handle pipe 5 and a welding head 6. One end of the gas supply pipe 1 is detachably connected with the air cylinder 2. The end of the air cylinder 2 away from the gas supply pipe 1 is fixedly connected with the gas supply pipe 3. The end of the gas supply pipe 3 away from the air cylinder 2 is fixedly connected with the hose 4. The end of the hose 4 away from the gas supply pipe 3 is fixedly connected with the handle pipe 5. The end of the handle pipe 5 away from the hose 4 is fixedly connected with the welding head 6. The inside of the air cylinder 2 is provided with a gas flow adjusting mechanism 21.

[0028] With reference to Figure 1 , 2 , 4, the air flow adjusting mechanism 21 comprises a blocking plate 211, an air hole 212, a connecting rod 213, a fastener 214, a rotating plate 215, a large hole 216 and a small hole 217; through the air flow adjusting mechanism 21, the argon is saved to a certain extent, the unnecessary consumption is reduced, and thus the practicability of the device is improved.

[0029] With reference to Figures 1-4 , the blocking plate 211 is fixedly connected to the inside of the air cylinder 2 and located at one end of the gas conveying pipe 3, and the air hole 212 is formed in the inside of the blocking plate 211; when the large hole 216 on the rotating plate 215 is communicated with the air hole 212 on the blocking plate 211, the argon is input through the gas supply pipe 1, the flow rate is changed through the air cylinder 2, and then the argon enters the gas conveying pipe 3, and thus the practicability of the device is improved.

[0030] With reference to Figures 1-4 , the connecting rod 213 is fixedly connected to the side of the blocking plate 211 away from the gas conveying pipe 3, and the fastener 214 is arranged on the connecting rod 213; when the large hole 216 on the rotating plate 215 is communicated with the air hole 212 on the blocking plate 211, the fastener 214 is further rotated clockwise, so that the rotating plate 215 is fixed, and thus the practicability of the device is improved.

[0031] With reference to Figure 1 , 2 , 4, the rotating plate 215 is rotatably connected to the connecting rod 213 and located between the blocking plate 211 and the fastener 214, a group of large holes 216 and a group of small holes 217 are respectively formed in the inside of the rotating plate 215, the number of the group of large holes 216 is four, and the number of the group of small holes 217 is five; by forming the holes with different diameters on the rotating plate 215, when the large hole 216 is communicated with the air hole 212, the flow rate of the argon can be increased, and when the small hole 217 is communicated with the air hole 212, the flow rate of the argon can be reduced, and thus the practicability of the device is improved.

[0032] With reference to Figures 1-3 , the pipe body of the gas conveying pipe 3 is in the shape of a flat body, and the pipe body of the gas conveying pipe 3 is bent into a roll through a special process; through the unique shape design of the gas conveying pipe 3, the argon in the gas conveying pipe 3 flows slowly and steadily to the welding head 6, the uniformity and stability of the argon supply are ensured, the welding quality of the welding head 6 is improved, and thus the practicability of the device is improved.

[0033] Working principle: the device can adjust the argon flow rate in the pipe body according to the material of the workpiece, first, the air cylinder 2 is detached from the air supply pipe 1, then the fastener 214 is rotated counterclockwise, so that the rotating plate 215 is loosened, at this time the rotating plate 215 can realize 360 degree rotation, by opening different diameter holes on the rotating plate 215, when the large hole 216 is communicated with the air hole 212, the argon flow rate can be increased, when the small hole 217 is communicated with the air hole 212, the argon flow rate can be reduced, to a certain extent, save argon, reduce unnecessary consumption, when the large hole 216 on the rotating plate 215 is communicated with the air hole 212 on the plug plate 211, then rotate the fastener 214 clockwise, so that the rotating plate 215 is fixed, then install the air cylinder 2 on the air supply pipe 1, in the use process, the argon is input through the air supply pipe 1, changes the flow rate through the air cylinder 2, the argon in the gas conveying pipe 3 enters the gas conveying pipe 3, through the unique shape design of the gas conveying pipe 3, the argon in the gas conveying pipe 3 flows slowly, can stably surge to the welding head 6, ensure the uniformity and stability of argon supply, so as to improve the welding quality of the welding head 6.

[0034] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An argon arc welding argon filling device comprising a gas supply pipe (1), a gas cylinder (2), a gas delivery pipe (3), a hose (4), a handle pipe (5) and a welding head (6), characterized in that, One end of the air supply pipe (1) is detachably connected with the air cylinder (2), one end of the air cylinder (2) away from the air supply pipe (1) is fixedly connected with the air supply pipe (3), one end of the air supply pipe (3) away from the air cylinder (2) is fixedly connected with the hose (4), one end of the hose (4) away from the air supply pipe (3) is fixedly connected with the handle pipe (5), one end of the handle pipe (5) away from the hose (4) is fixedly connected with the welding head (6), the inside of the air cylinder (2) is provided with the airflow adjusting mechanism (21).

2. The argon arc welding argon filling device according to claim 1, wherein The airflow adjusting mechanism (21) comprises a blocking plate (211), an air hole (212), a connecting rod (213), a fastener (214), a rotating plate (215), a large hole (216) and a small hole (217).

3. The argon arc welding argon filling device according to claim 2, wherein The blocking plate (211) is fixedly connected in the inside of the air cylinder (2) and located at one end of the air supply pipe (3), the inside of the blocking plate (211) is provided with the air hole (212).

4. The argon arc welding argon filling device according to claim 2, wherein One side of the blocking plate (211) away from the air supply pipe (3) is fixedly connected with the connecting rod (213), the connecting rod (213) is provided with the fastener (214).

5. The argon arc welding argon filling device according to claim 4, wherein The rotating plate (215) is rotatably connected on the connecting rod (213) between the blocking plate (211) and the fastener (214), the inside of the rotating plate (215) is respectively provided with a group of large holes (216) and small holes (217), the number of the group of large holes (216) is four, and the number of the group of small holes (217) is five.

6. The argon arc welding argon filling device according to claim 1, wherein The pipe body of the air supply pipe (3) is in the shape of a flat body, and the pipe body of the air supply pipe (3) is bent into a roll through a special process.