Submerged arc welding wire feeding flexible transition structure

Abstract

The utility model discloses a submerged arc welding wire feeding flexible transition structure which comprises a welding gun. The wire feeder is used for conveying welding wires to the welding gun; the two ends of the elastic protection tube are communicated with the wire feeder and the welding gun respectively, a guide channel used for a welding wire to pass through is formed in the elastic protection tube, and the length of the elastic protection tube is larger than the linear distance between the two ends of the elastic protection tube. The automatic welding device has the advantages that the risk that welding wires and a wire feeder are damaged due to the fact that the position of the welding gun moves can be reduced, and therefore the stability of welding work is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment technical field, especially a flexible transition structure of submerged arc welding wire feeding. BACKGROUND

[0002] Submerged arc welding is a method of welding by burning arc under the flux layer, which is widely used due to its high welding efficiency, high weld quality, small welding deformation, no arc light, less smoke and other advantages.

[0003] When welding, the welding wire is generally sent to the welding gun by the wire feeder, and the welding wire is clamped and fixed on the welding gun. The welding head of the welding gun releases heat to melt the welding wire and the workpiece, thereby realizing welding. At the same time, when welding, the change of the position of the workpiece will cause the change of the welding point. At this time, the welding gun is usually moved to adapt to different welding points. However, when the welding gun is moved, the welding wire will be pulled and the tension will be transmitted to the wire feeder by the welding wire. The welding wire and the wire feeder are easily damaged under stress, thereby affecting the welding efficiency. SUMMARY

[0004] The utility model aims at providing a flexible transition structure of submerged arc welding wire feeding, which can reduce the risk of damage to the welding wire and the wire feeder caused by the movement of the welding gun, thereby improving the stability of the welding work.

[0005] The utility model is realized through the following technical schemes.

[0006] A flexible transition structure of submerged arc welding wire feeding, comprising:

[0007] a welding gun;

[0008] a wire feeder for feeding welding wire to the welding gun;

[0009] an elastic protection tube, both ends of which are communicated with the wire feeder and the welding gun respectively, the elastic protection tube has a guide channel inside for the welding wire to pass through, and the length of the elastic protection tube is greater than the straight line distance between both ends of the elastic protection tube.

[0010] As a further improvement of the utility model, the elastic protection tube has a first tube segment extending upwardly from the wire feeder along the direction of the distance between the welding gun and the wire feeder.

[0011] As a further improvement of the utility model, the elastic protection tube also has a second tube segment bent downwardly from the first tube segment to the welding gun.

[0012] As a further improvement of the utility model, it further comprises a fixing structure, the fixing structure has a movable fixing rod, and the fixing rod is fixedly connected with the welding gun.

[0013] As a further improvement of the utility model, the fixed structure includes a mounting seat, a sliding rail and a driving assembly, the mounting seat is slidably connected with the sliding rail, the fixed rod is installed on the mounting seat, and the driving assembly is used for driving the mounting seat to slide on the sliding rail.

[0014] As a further improvement of the utility model, the driving assembly includes a driving motor and a ball screw driven to rotate by the driving motor, and the ball screw is connected with the mounting seat through a nut sleeve.

[0015] As a further improvement of the utility model, the wire feeder is provided with an input port and an output port, the welding wire is input from the input port and output from the output port into the elastic protection tube.

[0016] As a further improvement of the utility model, the wire feeder is connected with a wire storage structure, and the wire storage structure has a welding wire reel rotatably arranged, and the welding wire is wound on the welding wire reel.

[0017] As a further improvement of the utility model, the wire storage structure includes a positioning frame, and the welding wire reel is rotatably installed on the positioning frame.

[0018] As a further improvement of the utility model, the elastic protection tube is an insulating tube.

[0019] The utility model has the advantages of:

[0020] The length of the elastic protection tube is greater than the straight-line distance between the two ends of the elastic protection tube, so that the length of the welding wire in the elastic protection tube is greater than the straight-line distance between the two ends of the elastic protection tube, that is, the welding wire in the elastic protection tube has a redundant length, and therefore, when the position of the welding torch is flexibly adjusted according to the change of the welding point position, the risk of damage to the welding wire and the wire feeder caused by the movement of the welding torch can be reduced, thereby improving the stability of the welding work. BRIEF DESCRIPTION OF DRAWINGS

[0021] The preferred embodiments of the utility model will be described in detail below with reference to the drawings, so as to help understand the purpose and advantages of the utility model, wherein:

[0022] Figure 1 It is a structural schematic view of the flexible transition structure of the submerged arc welding wire feeding. DETAILED DESCRIPTION

[0023] The utility model will be further described in detail below according to the drawings and embodiments.

[0024] The up, down, left, right, front, back, front, back, top, bottom and other orientation terms mentioned or possibly mentioned in the specification are defined relative to the structure shown in the drawings, and the words "inner" and "outer" refer to the direction towards or away from the geometric center of a particular component, which are relative concepts, so it is possible to change accordingly according to the different positions, different use states. Therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0025] The embodiment provides a submerged arc welding wire feeding flexible transition structure, referring to Figure 1 , the welding gun 1, the wire feeder 2 and the elastic protection tube 3, the wire feeder 2 is used for conveying the welding wire m to the welding gun 1, the elastic protection tube 3 has elastic deformation, the two ends of the elastic protection tube 3 are connected with the wire feeder 2 and the welding gun 1 respectively, the elastic protection tube 3 has a guide channel inside for the welding wire m to pass through, the welding wire m conveyed by the wire feeder 2 enters the welding gun 1 through the guide channel for welding use of the welding gun 1, and the length of the elastic protection tube 3 is greater than the straight line distance between the two ends of the elastic protection tube 3.

[0026] In the embodiment, since the length of the elastic protection tube 3 is greater than the straight line distance between the two ends of the elastic protection tube 3, the length of the welding wire m located in the elastic protection tube 3 is greater than the straight line distance between the two ends of the elastic protection tube 3, that is, the welding wire m located in the elastic protection tube 3 has a redundant length, so when the position of the welding gun 1 is adjusted flexibly according to the change of the welding point position, the risk of damage of the welding wire m and the wire feeder 2 caused by the position movement of the welding gun 1 can be reduced, thereby improving the stability of the welding work.

[0027] In the embodiment, the welding wire m between the wire feeder 2 and the welding gun 1 is located in the inside of the elastic protection tube 3, the elastic protection tube 3 can isolate the interference of the external environment to the welding wire m, such as avoiding the interference of moisture, corrosion and other factors to the welding wire m, thereby improving the welding quality. Moreover, the elastic protection tube 3 is provided as an insulating tube, that is, the elastic protection tube 3 is made of elastic material and insulating material, which can prevent the current interference of the conductor to the welding wire m, and ensure the stability of the welding work.

[0028] In the embodiment, the elastic protection tube 3 can elastically deform, and along the direction of the distance between the welding gun 1 and the wire feeder 2, the elastic protection tube 3 has a first tube segment 31 extending upwardly from the wire feeder 2, and the elastic protection tube also has a second tube segment 32 bent downwardly from the first tube segment 31 to the welding gun 1, that is, the elastic protection tube 3 is composed of the first tube segment 31 and the second tube segment 32, and the extension direction of the first protection tube makes the length of the elastic protection tube 3 much greater than the straight line distance between the two ends of the elastic protection tube 3.

[0029] In the embodiment, the fixing structure is further provided with a movable fixing rod 41, which is fixedly connected with the welding gun 1, i.e., the fixing rod 41 can fix the welding gun 1, so as to ensure the stability of the welding gun 1 during welding work and improve the welding quality. In addition, since the fixing rod 41 is movably arranged, the position of the welding gun 1 can be adjusted by the movement of the fixing rod 41, so as to improve the safety and flexibility of operation.

[0030] Specifically, the fixing structure comprises a mounting seat 42, a sliding rail 43 and a driving assembly 44. The mounting seat 42 is slidably connected with the sliding rail 43, and the fixing rod 41 is mounted on the mounting seat 42. The driving assembly 44 is used to drive the mounting seat 42 to slide on the sliding rail 43. Here, the sliding rail 43 is provided with a sliding groove extending along the sliding direction, and the mounting seat 42 is slidably embedded in the sliding groove, so that the mounting seat 42 can slide along the extension direction of the sliding groove under the driving of the driving assembly 44. In addition, it should be noted that the extension direction of the sliding groove is determined according to the moving direction of the welding gun 1 during actual operation, which is not limited in the embodiment.

[0031] In the embodiment, the driving assembly 44 comprises a driving motor 441 and a ball screw 442 driven to rotate by the driving motor 441. The ball screw 442 is connected with the mounting seat 42 through a nut sleeve. During work, the driving motor 441 drives the ball screw 442 to rotate, so that the ball screw 442 moves linearly, thereby driving the mounting seat 42 connected with the ball screw 442 to move on the sliding rail 43, and further changing the position of the welding gun 1 fixedly connected with the fixing rod 41.

[0032] In the embodiment, the wire feeder 2 is provided with an input port 22 and an output port 21. The welding wire m is input from the input port 22 and output from the output port 21 into the elastic protection tube 3. One end of the elastic protection tube 3 is connected with the output port 21. The input port 22 is arranged close to the wire storage structure 5. The wire storage structure 5 is provided with a welding wire reel 51 rotatably arranged. The welding wire m is wound on the welding wire reel 51. The wire storage structure 5 comprises a positioning frame 52. The welding wire reel 51 is rotatably mounted on the positioning frame 52. The positioning frame 52 is used to position the welding wire reel 51. During work, the welding wire m is inserted into the wire feeder 2 through the input port 22. The wire feeder 2 is driven to pull the welding wire m, so as to drive the welding wire reel 51 to rotate. The welding wire m wound on the welding wire reel 51 is released during the rotation of the welding wire reel 51, so as to supply the welding wire m for welding work.

[0033] Finally, it should be noted that: the above implementation cases are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing implementation cases, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing implementation cases, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the implementation cases of the present application.

Claims

1. A submerged arc welding wire feed flexible transition structure, characterized by, The utility model relates to a welding gun (1), a wire feeder (2) for conveying welding wire (m) to the welding gun (1), an elastic protective tube (3) with a guide channel for the welding wire (m) to pass through in the inside of the elastic protective tube (3), and a fixing structure with a movable fixing rod (41) fixedly connected to the welding gun (1). The elastic protective tube (3) has a first tube segment (31) extending upwardly from the wire feeder (2) along the direction of the distance between the welding gun (1) and the wire feeder (2). The elastic protective tube (3) further has a second tube segment (32) bent downwardly from the first tube segment (31) to the welding gun (1). The fixing structure includes a mounting base (42), a slide rail (43), and a driving assembly (44), the mounting base (42) is slidably connected to the slide rail (43), the fixing rod (41) is mounted on the mounting base (42), and the driving assembly (44) is used to drive the mounting base (42) to slide on the slide rail (43).

2. A flexible submerged arc wire feed transition structure as defined in claim 1, wherein, The driving assembly (44) includes a driving motor (441) and a ball screw (442) driven to rotate by the driving motor (441), and the ball screw (442) is connected to the mounting base (42) through a nut sleeve.

3. A flexible submerged arc wire feed transition structure according to claim 2, wherein, The wire feeder (2) is provided with an input port (22) and an output port (21), the welding wire (m) is input from the input port (22) and output from the output port (21) into the elastic protective tube (3).

4. The submerged arc wire feed flexible transition structure of claim 1, wherein, A wire storage structure (5) is arranged near the input port (22) of the wire feeder (2), the wire storage structure (5) has a rotatable welding wire reel (51), and the welding wire (m) is wound on the welding wire reel (51).

5. A flexible submerged arc wire feed transition structure as defined in claim 4, wherein, The wire storage structure (5) includes a positioning frame (52), and the welding wire reel (51) is rotatably mounted on the positioning frame (52).

6. A submerged arc wire feed flexible transition structure as defined in claim 5, wherein, The elastic protective tube (3) is an insulating tube.

7. A flexible submerged arc wire feed transition structure as defined in claim 1, wherein, ​ 8. A submerged arc wire feed flexible transition structure as defined in claim 7, wherein, ​ 9. A submerged arc wire feed flexible transition structure as defined in claim 8, wherein, ​ 10. The submerged arc wire feed flexible transition structure of claim 1, wherein, ​

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