Auxiliary wire feeder for welding machine

Abstract

The invention relates to the technical field of welding, in particular to an auxiliary wire feeder for a welding machine, which comprises a base, the upper surface of the base is fixedly connected with a pressure motor shell, the surface of the pressure motor shell is fixedly connected with a first mounting sleeve through a bolt, and the surface of the pressure motor shell is fixedly connected with a second mounting sleeve through a bolt. A third mounting sleeve is fixedly connected to the surface of the pressure motor shell through bolts, and a plurality of annularly arranged sleeves are fixedly connected to the inner wall of the pressure motor shell. A gas driving mode can be adopted, a piston in the pressure motor shell moves to drive a rotating shaft and a driving wheel to rotate, power output is stable, and the working efficiency is improved. And the problems of welding wire conveying blockage, non-uniform speed and the like caused by power fluctuation can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding, in particular to an auxiliary wire feeder for welding machine. BACKGROUND

[0002] Welding process is a key technology, and the wire feeder is an important equipment for conveying welding wire in the welding process, and its performance directly affects the welding quality and efficiency.

[0003] At present, the common wire feeder for welding machine in the market adopts electric drive mode. However, this electric drive wire feeder has many problems in actual use. The existing wire feeder is relatively cumbersome to adjust the wire feeding tension when facing welding wires of different materials and diameters, and it is difficult to quickly adapt to different welding requirements. Moreover, when work needs to be carried out at different welding positions and angles, the angle adjustment of the wire feeder is not flexible enough, and the fixing method is relatively single, which cannot well meet the requirements of complex welding environment, and to some extent, limits the development of welding work. SUMMARY

[0004] The purpose of the present application is to provide an auxiliary wire feeder for welding machine to solve the problems raised in the background.

[0005] The technical scheme of the present application is: an auxiliary wire feeder for welding machine, comprising a base, the upper surface of the base is fixedly connected with a pressure motor shell, the surface of the pressure motor shell is fixedly connected with a first mounting sleeve through bolts, the surface of the pressure motor shell is fixedly connected with a second mounting sleeve through bolts, the surface of the pressure motor shell is fixedly connected with a third mounting sleeve through bolts, and the inner wall of the pressure motor shell is fixedly connected with a plurality of sleeve sleeves arranged in a ring.

[0006] Preferably, the inner wall of each of the plurality of sleeve sleeves is slidably connected with a piston, the inner wall of the piston is fixedly connected with a rotating rod, the surface of the rotating rod is rotatably connected with a connecting rod, the inner wall of the pressure motor shell is provided with a rotating shaft, the surface of the rotating shaft is fixedly connected with a chuck, and the end of the connecting rod away from the rotating rod is clamped with the inner wall of the chuck.

[0007] Preferably, the surface of the rotating shaft is fixedly connected with a bearing, and the surface of the bearing is fixedly connected with the inner wall of the pressure motor shell.

[0008] Preferably, the surface of the rotating shaft is provided with a first ventilation groove, the inner wall of the first ventilation groove is provided with a second ventilation groove, the inner wall of the pressure motor shell is provided with an annular groove, the annular groove is in communication with the second ventilation groove, the surface of the pressure motor shell is provided with two symmetrically arranged air inlet holes, the air inlet hole located on the left side is in communication with the inside of the first mounting sleeve, the air inlet hole located on the right side is in communication with the inside of the third mounting sleeve, and the surface of the pressure motor shell is provided with two symmetrically arranged pressure relief openings, and the pressure relief openings are in communication with the annular groove.

[0009] Preferably, the lower end of the rotating shaft penetrates through the upper surface of the base and extends downward, and the lower end of the rotating shaft is fixedly connected with the driving wheel.

[0010] Preferably, the lower surface of the base is fixedly connected with a round rod, the surface of the round rod is sleeved with a return spring, the surface of the round rod is rotatably connected with a mounting assembly, one end of the return spring is fixedly connected with the surface of the round rod, and the other end of the return spring is fixedly connected with the inner wall of the mounting assembly.

[0011] Preferably, the lower surface of the base is threadedly connected with a first bolt, the surface of the first bolt is rotatably connected with a mounting assembly, the surface of the mounting assembly is threadedly connected with a second bolt, one end of the second bolt penetrates through the surface of the mounting assembly and extends to the inside, and the surface of the second bolt is rotatably connected with a roller.

[0012] Preferably, the lower surface of the base is threadedly connected with a third bolt, the surface of the third bolt is rotatably connected with a round rod, the surface of the round rod is matched with the inner wall of the second bolt, the surface of the round rod is fixedly connected with a spring, and the other end of the spring is fixedly connected with a circular tube.

[0013] Preferably, the lower surface of the base is fixedly connected with a fixing seat, and the side wall of the fixing seat is fixedly connected with two symmetrically arranged wire guide tubes.

[0014] The application improves the welding machine auxiliary wire feeder, and has the following improvements and advantages compared with the prior art. 1. The gas driving mode is adopted, the piston movement in the pressure motor shell drives the rotating shaft and the driving wheel to rotate, the power output is stable, and problems such as welding wire conveying jamming and uneven speed caused by power fluctuation can be reduced.

[0015] 2. The friction transmission design of the driving wheel and the roller (driven wheel) can ensure uniform tension during wire feeding, avoid welding wire stretching or relaxation, effectively ensure the continuity of the welding process, and improve the welding seam quality.

[0016] 3. By rotating the first bolt, the position of the installation assembly can be adjusted, thereby changing the distance between the driving wheel and the roller, easily adapting to different diameters and materials of welding wires, solving the problem of complicated adjustment of traditional wire feeders.

[0017] 4. The structure of the third bolt cooperating with the round rod, spring and round pipe can assist in buffering and adjusting the pressure of the installation assembly, ensuring the fitting effect of the roller and the welding wire, and further improving the adaptability to different welding wires.

[0018] 5. The design of the gas-driven circulation path (air inlet hole → annular groove → air groove → pressure relief port) makes the power transmission efficient, the wire feeding speed stable, reduces the welding interruption time, and improves the work efficiency.

[0019] 6. The installation assembly can be rotated to the outside by rotating the nut, facilitating the replacement or maintenance of the internal roller (driven wheel), simplifying the operation process, and reducing the difficulty of equipment maintenance.

[0020] 7. The two symmetrical wire guide pipes on the fixed seat can accurately guide the welding wire, ensuring that the welding wire enters between the driving wheel and the roller stably, avoiding deviation during wire feeding, and ensuring the accuracy of the welding position. BRIEF DESCRIPTION OF DRAWINGS

[0021] The application will be further explained in conjunction with the drawings and examples: Figure 1 is a perspective structural schematic diagram of the application; Figure 2 is a bottom view structural schematic diagram of the application; Figure 3 is a front view structural schematic diagram of the pressure motor shell of the application; Figure 4 is a front view structural schematic diagram of the internal structure of the application; Figure 5 is a sectional view structural schematic diagram of the application.

[0022] MARKING OF THE DRAWINGS: 1. Base; 2. Pressure motor shell; 3. First installation sleeve; 4. Second installation sleeve; 5. Third installation sleeve; 6. Sleeve; 7. Piston; 8. Rotary rod; 9. Connecting rod; 10. Rotary shaft; 11. Chuck; 12. Bearing; 13. First air groove; 14. Second air groove; 15. Annular groove; 16. Air inlet hole; 17. Pressure relief port; 18. Driving wheel; 19. First bolt; 20. Installation assembly; 21. Second bolt; 22. Roller; 23. Third bolt; 24. Round rod; 25. Spring; 26. Round pipe; 27. Fixed seat; 28. Wire guide pipe. DETAILED DESCRIPTION

[0023] The present application will be described in detail below, and the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] The present application improves the welding machine auxiliary wire feeder, and the technical solutions are as follows: As shown in Figure 1 - Figure 5 A welding machine auxiliary wire feeder, comprising a base 1, the upper surface of the base 1 is fixedly connected with a pressure motor housing 2, the surface of the pressure motor housing 2 is fixedly connected with a first mounting sleeve 3 through bolts, the surface of the pressure motor housing 2 is fixedly connected with a second mounting sleeve 4 through bolts, the surface of the pressure motor housing 2 is fixedly connected with a third mounting sleeve 5 through bolts, and the inner wall of the pressure motor housing 2 is fixedly connected with a plurality of sleeve 6 arranged in a ring.

[0025] Further, the inner wall of each of the plurality of sleeve 6 is slidably connected with a piston 7, the inner wall of the piston 7 is fixedly connected with a rotating rod 8, the surface of the rotating rod 8 is rotatably connected with a connecting rod 9, the inner wall of the pressure motor housing 2 is provided with a rotating shaft 10, the surface of the rotating shaft 10 is fixedly connected with a chuck 11, and the end of the connecting rod 9 away from the rotating rod 8 is clamped with the inner wall of the chuck 11. The piston 7 in the sleeve 6 can slide under the action of gas pressure, drive the chuck 11 to rotate through the rotating rod 8 and the connecting rod 9, and then make the rotating shaft 10 rotate, so as to realize power transmission.

[0026] Further, the surface of the rotating shaft 10 is fixedly connected with a bearing 12, the surface of the bearing 12 is fixedly connected with the inner wall of the pressure motor housing 2, the bearing 12 supports the rotating shaft 10, reduces the friction when rotating, and makes the rotating shaft rotate more smoothly in the pressure motor housing 2.

[0027] Further, the surface of the rotating shaft 10 is provided with a first air passage 13, the inner wall of the first air passage 13 is provided with a second air passage 14, the inner wall of the pressure motor housing 2 is provided with an annular groove 15, the annular groove 15 is communicated with the second air passage 14, the surface of the pressure motor housing 2 is provided with two symmetrically arranged air inlet holes 16, the left air inlet hole 16 is communicated with the inside of the first mounting sleeve 3, the right air inlet hole 16 is communicated with the inside of the third mounting sleeve 5, the surface of the pressure motor housing 2 is provided with two symmetrically arranged pressure relief holes 17, the pressure relief holes 17 are communicated with the annular groove 15, and the gas enters the pressure motor housing 2 through the air inlet hole 16, the annular groove 15, the second air passage 14 and the first air passage 13 to drive the piston 7, and is discharged through the pressure relief hole 17 after work, forming a gas circulation path.

[0028] Further, the lower end of the rotating shaft 10 penetrates the upper surface of the base 1 and extends downward, and the lower end of the rotating shaft 10 is fixedly connected with the driving wheel 18, and the driving wheel 18 at the lower end of the rotating shaft 10 rotates with the rotating shaft to drive the driven wheel 25 to rotate, realizing the wire feeding function.

[0029] Further, the lower surface of the base 1 is fixedly connected with the round rod 19, the surface of the round rod 19 is sleeved with the return spring 20, the surface of the round rod 19 is rotatably connected with the mounting assembly 21, one end of the return spring 20 is fixedly connected with the surface of the round rod 19, the other end of the return spring 20 is fixedly connected with the inner wall of the mounting assembly 21, and the round rod 19 and the return spring 20 enable the mounting assembly 21 to be elastically movable, for adjusting the fitting pressure of the driven wheel 25 and the driving wheel 18 to adapt to different welding wires.

[0030] Further, the lower surface of the base 1 is threadedly connected with the first bolt 19, the surface of the first bolt 19 is rotatably connected with the mounting assembly 20, the surface of the mounting assembly 20 is threadedly connected with the second bolt 21, one end of the second bolt 21 penetrates the surface of the mounting assembly 20 and extends to the inside, the surface of the second bolt 21 is rotatably connected with the roller 22, and the first bolt 19 on the lower surface of the base 1 can adjust the position of the mounting assembly 20 by rotating, the second bolt 21 on the mounting assembly 20 supports the roller 22, the roller 22 cooperates with the driving wheel 18, and the conveying of the welding wire is realized by rotating.

[0031] Further, the third bolt 23 on the lower surface of the base 1 drives the round rod 24 to move when rotating, the round rod 24 is matched with the inner wall of the second bolt 21, the spring 25 and the round pipe 26 on the surface thereof can be buffered and adjusted, the pressure of the mounting assembly 20 and the roller 22 is assisted to be stabilized, and the fitting effect of the roller 22 and the welding wire in the wire feeding process is ensured.

[0032] Further, the lower surface of the base 1 is fixedly connected with the fixed seat 27, the side wall of the fixed seat 27 is fixedly connected with two symmetrically arranged wire guide pipes 28, the fixed seat 27 on the lower surface of the base 1 plays a fixed supporting role, the two wire guide pipes 28 on the side wall thereof are symmetrically arranged, for guiding the welding wire, so that the welding wire can accurately enter between the driving wheel 18 and the roller 22, and the stability of the wire feeding path is ensured.

[0033] Working principle: The external gas source enters through the air inlet holes 16 on the surface of the pressure motor shell 2, the left air inlet hole 16 is in communication with the inside of the first mounting sleeve 3, and the right air inlet hole 16 is in communication with the inside of the third mounting sleeve 5, after the gas enters through the air inlet hole 16, it finally enters the inside of the pressure motor shell 2 through the annular groove 15 on the inner wall of the pressure motor shell 2, the second air passage 14 and the first air passage 13 on the surface of the rotating shaft 10.

[0034] The entering gas pushes the piston 7 in the sleeve 6 arranged annularly on the inner wall of the pressure motor shell 2 to slide, and the piston 7 drives the rotating rod 8 fixed on the inner wall to move, the rotating rod 8 drives the chuck 11 to rotate through the connecting rod 9 connected in surface rotation, and the chuck 11 is fixed on the surface of the rotating shaft 10, and then drives the rotating shaft 10 to rotate, the bearing 12 supports and reduces the resistance of the rotating shaft 10, and ensures the stable rotation of the rotating shaft 10.

[0035] The driving wheel 18 fixed on the lower end of the rotating shaft 10 rotates synchronously with the rotating shaft 10, the driving wheel 18 and the roller 22 connected with the mounting assembly 20 through the second bolt 21 form friction transmission, and the welding wire enters the wire guide pipe 28 on the side wall of the fixed seat 27 and is conveyed under the clamping of the driving wheel 18 and the roller 22.

[0036] After the gas does work, it is discharged through the pressure relief port 17 on the surface of the pressure motor shell 2, the pressure relief port 17 is communicated with the annular groove 15, and the gas circulation is completed.

[0037] When it is necessary to adjust the wire feeding tension or adapt to different specifications of welding wire, rotating the first bolt 19 can change the position of the mounting assembly 20, and then adjust the distance between the driving wheel 18 and the roller 22; the round rod 24 on the surface of the third bolt 23 cooperates with the spring 25 and the round pipe 26, which can assist in adjusting the pressure of the mounting assembly 20, and ensure the stable conveying of the welding wire.

[0038] The above description enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but is to be consistent with the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An auxiliary wire feeder for a welding machine comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected with a pressure motor shell (2), the surface of the pressure motor shell (2) is fixedly connected with a first mounting sleeve (3) through bolts, the surface of the pressure motor shell (2) is fixedly connected with a second mounting sleeve (4) through bolts, the surface of the pressure motor shell (2) is fixedly connected with a third mounting sleeve (5) through bolts, and the inner wall of the pressure motor shell (2) is fixedly connected with a plurality of sleeve (6) arranged in a ring.

2. The auxiliary wire feeder for a welding machine according to claim 1, characterized in that: The inner wall of a plurality of sleeve (6) is slidably connected with a piston (7), the inner wall of the piston (7) is fixedly connected with a rotating rod (8), the surface of the rotating rod (8) is rotatably connected with a connecting rod (9), the inner wall of the pressure motor shell (2) is provided with a rotating shaft (10), the surface of the rotating shaft (10) is fixedly connected with a chuck (11), and one end of the connecting rod (9) away from the rotating rod (8) is clamped with the inner wall of the chuck (11).

3. The auxiliary wire feeder for a welding machine according to claim 2, characterized in that: The surface of the rotating shaft (10) is fixedly connected with a bearing (12), and the surface of the bearing (12) is fixedly connected with the inner wall of the pressure motor shell (2).

4. The auxiliary wire feeder for a welding machine according to claim 3, characterized in that: The surface of the rotating shaft (10) is provided with a first ventilation groove (13), the inner wall of the first ventilation groove (13) is provided with a second ventilation groove (14), the inner wall of the pressure motor shell (2) is provided with an annular groove (15), the annular groove (15) is communicated with the second ventilation groove (14), the surface of the pressure motor shell (2) is provided with two symmetrically arranged air inlet holes (16), the left air inlet hole (16) is communicated with the inside of the first mounting sleeve (3), the right air inlet hole (16) is communicated with the inside of the third mounting sleeve (5), the surface of the pressure motor shell (2) is provided with two symmetrically arranged pressure relief ports (17), and the pressure relief ports (17) are communicated with the annular groove (15).

5. The auxiliary wire feeder for a welding machine according to claim 4, characterized in that: The lower end of the rotating shaft (10) penetrates the upper surface of the base (1) and extends to the lower side, and the lower end of the rotating shaft (10) is fixedly connected with a driving wheel (18).

6. The auxiliary wire feeder for a welding machine according to claim 5, characterized in that: The lower surface of the base (1) is threadedly connected with a first bolt (19), the surface of the first bolt (19) is rotatably connected with a mounting assembly (20), the surface of the mounting assembly (20) is threadedly connected with a second bolt (21), one end of the second bolt (21) penetrates the surface of the mounting assembly (20) and extends to the inside, and the surface of the second bolt (21) is rotatably connected with a roller (22).

7. The auxiliary wire feeder for a welding machine of claim 1 wherein: The lower surface of the base (1) is threadedly connected with a third bolt (23), the surface of the third bolt (23) is rotatably connected with a round rod (24), the surface of the round rod (24) is matched with the inner wall of the second bolt (21), the surface of the round rod (24) is fixedly connected with a spring (25), and the other end of the spring (25) is fixedly connected with a circular tube (26).

8. The auxiliary wire feeder for a welding machine of claim 1 wherein: The lower surface of the base (1) is fixedly connected with a fixed seat (27), and the side wall of the fixed seat (27) is fixedly connected with two symmetrically arranged wire guide tubes (28).

Images