A flexible welding gun

Abstract

The utility model discloses a bendable welding gun, comprising an insulating gun barrel, wherein two ends of the insulating gun barrel are respectively connected with a left joint and a right joint, a wire is arranged on the inner wall of the insulating gun barrel between the left joint and the right joint, and two ends of the wire are respectively connected with the left joint and the right joint; a spring wire feeding tube passing through the right joint is also arranged in the insulating gun barrel inside the wire, and the left end of the spring wire feeding tube is located in the left joint. The utility model overcomes the shortcomings of the prior art, wherein the gun barrel of the welding gun is provided with a wire, a spring wire feeding tube and a gun barrel, and the gun barrel at the handle can be bent when in use without affecting wire feeding, gas path and circuit, and can be used for welding operations in complex spaces, and the bending angle and direction can be bent according to needs, and the utility model has strong practicality.

Description

Technical Field

[0001] The utility model relates to the technical field of welding guns, in particular to a bendable welding gun. Background Art

[0002] Gas shielded welding is a welding method that uses inert gas protection during the welding process. Due to the limitations of the welding workpiece and the working area, welding guns of different sizes and bending angles are required during welding. The bending angle of the gun head of the existing welding gun is basically fixed because the barrel part generally includes a copper pipe. Therefore, in a specific welding operation, it is necessary to equip a variety of welding guns with different gun head bending angles. Changing the welding gun back and forth during welding not only increases the welding workload, but also the welding quality cannot be guaranteed. Utility Model Content

[0003] The utility model aims to provide a bendable welding gun, which overcomes the shortcomings of the prior art.

[0004] In order to solve the above problems, the technical solutions adopted by the utility model are as follows:

[0005] A bendable welding gun comprises an insulating gun barrel, two ends of the insulating gun barrel are respectively connected with a left joint and a right joint, a wire is arranged on the inner wall of the insulating gun barrel between the left joint and the right joint, and two ends of the wire are respectively connected with the left joint and the right joint;

[0006] A spring wire feeding tube passing through the right joint is also arranged in the insulating gun barrel on the inner side of the conductor, and the left end of the spring wire feeding tube is located in the left joint.

[0007] Furthermore, a support tube is provided on the inner wall of the spring wire feeding tube, the wire is located between the support tube and the insulating barrel, and the spring wire feeding tube passes through the support tube.

[0008] Furthermore, an air nozzle is connected to the right joint, a first installation cavity for installing the right joint is provided inside the air nozzle, an air inlet hole connected to the first installation cavity is provided on the outer surface of the air nozzle, a wire feeding hole connected to the first installation cavity is provided at the right end of the air nozzle, and the right end of the spring wire feeding tube is connected to the wire feeding hole.

[0009] Furthermore, a second installation cavity is provided at the right end of the left joint, a third installation cavity is provided at the left end of the left joint, a limiting cavity is provided between the second installation cavity and the third installation cavity, the left end of the spring wire feeding tube is located in the limiting cavity, and the wire is connected to the left joint in the second installation cavity; a wire outlet head is also installed in the third installation cavity, and a wire outlet hole communicating with the second installation cavity, the third installation cavity, the limiting cavity and the inside of the spring wire feeding tube is provided in the wire outlet head, and an air outlet is also provided on the left joint at the limiting cavity.

[0010] Furthermore, a heat insulating member is installed on the surface of the left joint outside the insulating gun barrel, an air guide sleeve is installed outside the heat insulating member, and the air outlet is located on the left joint inside the air guide sleeve.

[0011] Furthermore, a ceramic nozzle is installed on the outside of the air guide sleeve, and the left end of the wire outlet head is located inside the ceramic nozzle.

[0012] Furthermore, the conductive wire is a copper wire.

[0013] Furthermore, a handle is provided on the outside of the insulating barrel.

[0014] Compared with the prior art, the implementation effects of the present invention are as follows:

[0015] The barrel of the welding gun is equipped with a conductive wire, a spring wire feeding tube and a barrel. When in use, the barrel at the handle can be bent without affecting the wire feeding, gas path and circuit. It can be used for welding operations in complex spaces, and the bending angle and direction can be bent as needed, which is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 It is a cross-sectional view of the left joint of the utility model.

[0019] Explanation of the accompanying drawings: 1. Insulated gun barrel; 11. Wire; 12. Support tube; 2. Spring wire feeding tube; 3. Handle; 4. Right joint; 5. Air nozzle; 51. Air inlet hole; 52. Wire feeding hole; 6. Left joint; 61. Second installation cavity; 62. Limiting cavity; 63. Air outlet hole; 64. Third installation cavity; 7. Wire outlet head; 71. Wire outlet hole; 8. Heat insulation; 9. Air guide sleeve; 10. Ceramic nozzle. DETAILED DESCRIPTION

[0020] 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.

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction and be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] like Figure 1-2 As shown, the bendable welding gun of the utility model comprises a bendable insulating barrel 1, the outside of the insulating barrel 1 is further provided with a handle 3 which can be bent along with the insulating barrel 1, the two ends of the insulating barrel 1 are respectively connected with a left joint 6 and a right joint 4, a wire 11 is provided on the inner wall of the insulating barrel 1 between the left joint 6 and the right joint 4, the wire 11 is a copper wire, the two ends of the wire 11 are respectively connected with the left joint 6 and the right joint 4, and both the left joint 6 and the right joint 4 are copper conductive joints.

[0024] A spring wire feeding tube 2 passing through the right joint 4 is also provided in the insulating barrel 1 on the inner side of the conductor 11. The left end of the spring wire feeding tube 2 is located in the left joint 6. The spring wire feeding tube 2 can be bent freely. A freely bendable support tube 12 is also provided on the inner wall of the spring wire feeding tube 2. The conductor 11 is located between the support tube 12 and the insulating barrel 1, and the spring wire feeding tube 2 passes through the inside of the support tube 12.

[0025] The right joint 4 is also connected to a conductive air nozzle 5, a first installation cavity for installing the right joint 4 is provided inside the air nozzle 5, an air inlet hole 51 connected to the first installation cavity is provided on the outer surface of the air nozzle 5, a wire feeding hole 52 connected to the first installation cavity is provided at the right end of the air nozzle 5, and the interior of the spring wire feeding tube 2 is connected to the wire feeding hole 52.

[0026] like Figure 3As shown, a second installation cavity 61 is provided at the right end of the left joint 6, a third installation cavity 64 is provided at the left end of the left joint 6, a limiting cavity 62 is provided between the second installation cavity 61 and the third installation cavity 64, the left end of the spring wire feeding tube 2 is located in the limiting cavity 62, and the wire 11 is connected with the left joint 6 in the second installation cavity 61; a wire outlet head 7 is also installed in the third installation cavity 64, and a wire outlet hole 71 which is connected with the second installation cavity 61, the third installation cavity 64, the limiting cavity 62 and the inside of the spring wire feeding tube 2 is provided in the wire outlet head 7, and an air outlet hole 63 is also provided on the left joint 6 at the limiting cavity 62.

[0027] The surface of the left joint 6 outside the insulating barrel 1 is also equipped with a heat insulation member 8, such as Figure 2 As shown, an air guide sleeve 9 is installed outside the heat insulation member 8, an air outlet 63 is located on the left joint 6 inside the air guide sleeve 9, a ceramic nozzle 10 is also installed outside the air guide sleeve 9, and the left end of the wire outlet head 7 is located inside the ceramic nozzle 10. After the protective gas flowing out of the air outlet 63 enters the air guide sleeve 9, it flows out from the left end of the ceramic nozzle 10 to protect the welding part.

[0028] 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 flexible welding gun, comprising an insulating barrel, characterized in that: The two ends of the insulating gun barrel are respectively connected to a left joint and a right joint, a wire is provided on the inner wall of the insulating gun barrel between the left joint and the right joint, and the two ends of the wire are respectively connected to the left joint and the right joint; A spring wire feeding tube passing through the right joint is also arranged in the insulating gun barrel inside the conductor, the left end of the spring wire feeding tube is located in the left joint, and the insulating gun barrel, the conductor and the spring wire feeding tube are bendable.

2. A flexible welding gun according to claim 1, characterized in that: A bendable support tube is also provided on the inner wall of the spring wire feeding tube, the wire is located between the support tube and the insulating gun barrel, and the spring wire feeding tube passes through the support tube.

3. A flexible welding gun according to claim 1, characterized in that: The right joint is also connected to an air nozzle, a first installation cavity for installing the right joint is provided inside the air nozzle, an air inlet hole connected to the first installation cavity is provided on the outer surface of the air nozzle, a wire feeding hole connected to the first installation cavity is provided at the right end of the air nozzle, and the right end of the spring wire feeding tube is connected to the wire feeding hole.

4. A flexible welding gun according to claim 3, characterized in that: A second installation cavity is provided at the right end of the left joint, a third installation cavity is provided at the left end of the left joint, a limiting cavity is provided between the second installation cavity and the third installation cavity, the left end of the spring wire feeding tube is located in the limiting cavity, and the wire is connected with the left joint in the second installation cavity; a wire outlet head is also installed in the third installation cavity, and a wire outlet hole communicating with the second installation cavity, the third installation cavity, the limiting cavity and the inside of the spring wire feeding tube is provided in the wire outlet head, and an air outlet is also provided on the left joint at the limiting cavity.

5. A flexible welding gun according to claim 4, characterized in that: A heat insulating member is also installed on the surface of the left joint outside the insulating gun barrel, an air guide sleeve is installed outside the heat insulating member, and the air outlet is located on the left joint inside the air guide sleeve.

6. A flexible welding gun according to claim 5, characterized in that: A ceramic nozzle is also installed outside the air guide sleeve, and the left end of the wire outlet head is located inside the ceramic nozzle.

7. A flexible welding gun according to claim 1, characterized in that: The conducting wire is a copper wire.

8. The flexible welding gun according to claim 1, characterized in that: A handle is also provided on the outside of the insulating gun barrel.

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