Welding wire feeding mechanism

Abstract

The utility model relates to a welding wire feeding mechanism which is applied to the field of welding and comprises a connecting frame, a mounting sleeve is rotationally connected to the connecting frame, a welding gun is arranged on the mounting sleeve, a driving unit for driving the mounting sleeve to rotate is arranged on the connecting frame, and a wire feeding unit for conveying metal wires is arranged on the mounting sleeve. The welding device has the technical effects that the driving unit is started to drive the wire feeding unit on the mounting sleeve to synchronously rotate, so that the position of the metal wire at the welding end is adjusted, the flexibility is higher, the corners of a frame-shaped product are conveniently welded, the application range is wide, and the welding effect and the welding efficiency are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding, in particular to a welding wire feeding mechanism. BACKGROUND

[0002] The welding wire feeding mechanism is an important component of the welding equipment, which is responsible for stably and uniformly feeding the welding wire to the welding area for welding.

[0003] In the related art, the welding wire feeding mechanism includes a connecting frame, and an aluminum wire is fed to the welding end of a welding gun through a wire feeding unit, and the welding gun and the wire feeding unit are fixedly installed on the connecting frame, so that the workpiece is welded.

[0004] In the use process of the above welding wire feeding mechanism, the position of the wire feeding unit is fixed, the flexibility is poor, it is difficult to weld the corner of the frame-shaped product, and the welding effect and welding efficiency are low. SUMMARY

[0005] In order to help solve the problem that the position of the wire feeding unit is fixed, the flexibility is poor, it is difficult to weld the corner of the frame-shaped product, and the welding effect and welding efficiency are low, the present application provides a welding wire feeding mechanism, which adopts the following technical scheme: a connecting frame is provided, a mounting sleeve is rotatably connected to the connecting frame, a welding gun is arranged on the mounting sleeve, a driving unit for driving the mounting sleeve to rotate is arranged on the connecting frame, and a wire feeding unit for feeding a metal wire is arranged on the mounting sleeve.

[0006] In a specific implementation, the driving unit includes a driving motor arranged on the connecting frame, and the output end of the driving motor is in transmission connection with the mounting sleeve through a connecting assembly.

[0007] In a specific implementation, the transmission assembly includes a first transmission wheel arranged at the output end of the driving motor, a second transmission wheel fixedly sleeved with the outer edge of the mounting sleeve, and a conveying belt tightly wound between the first transmission wheel and the second transmission wheel.

[0008] In a specific implementation, the wire feeding unit includes a mounting frame arranged on the mounting sleeve, a wire feeding pipe arranged on the mounting frame, a wire feeding nozzle arranged at the end of the wire feeding pipe away from the mounting frame, and the metal wire is sequentially arranged through the wire feeding pipe and the wire feeding nozzle and corresponds to the welding end of the welding gun.

[0009] In a specific implementation, the mounting frame includes a support block arranged on the mounting sleeve, a connecting block hingedly connected to the support block, and the wire feeding pipe is arranged on the connecting block.

[0010] In an embodiment, the support block is provided with an adjusting hole matched with the mounting sleeve, the mounting sleeve is arranged through the adjusting hole and in contact with the hole wall of the adjusting hole, the support block is provided with a mounting block, the mounting block is provided with a connecting hole communicated with the adjusting hole, the connecting hole divides the mounting block into a first adjusting block and a second adjusting block, and the first adjusting block and the second adjusting block are connected through a fixing assembly.

[0011] In an embodiment, the fixing assembly comprises a mounting bolt arranged through the first adjusting block and the second adjusting block in sequence, and a mounting nut threadedly connected with the outer edge of the mounting bolt, and the first adjusting block is abutted between the mounting nut and the mounting bolt.

[0012] In an embodiment, the connecting block is provided with a mounting hole matched with the wire feeding pipe, the wire feeding pipe is arranged through the mounting hole and in contact with the hole wall of the mounting hole, the hole wall of the mounting hole is provided with a mounting groove, the mounting groove is threadedly connected with a stabilizing screw matched with the mounting groove, and the end of the stabilizing screw, which is directed towards the wire feeding pipe, is abutted against the wire feeding pipe.

[0013] In an embodiment, the outer edge of the wire feeding nozzle is provided with an annular avoiding groove.

[0014] In an embodiment, the end of the wire feeding pipe, which is directed towards the wire feeding nozzle, is provided with a threaded sleeve, the face of the wire feeding nozzle, which is directed towards the wire feeding nozzle, is provided with a threaded groove matched with the threaded sleeve, and the threaded sleeve is threadedly connected in the threaded groove.

[0015] In summary, the application has the following beneficial technical effects: the driving unit is started to drive the wire feeding unit on the mounting sleeve to rotate synchronously, so as to adjust the position of the welding wire, and the flexibility is stronger, the corners of the frame-shaped product can be welded conveniently, the application range is wider, and the welding effect and the welding efficiency are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the embodiment of the application.

[0017] Figure 2 is a schematic diagram of the structure for embodying the first transmission wheel in the embodiment of the application.

[0018] The reference signs are as follows: 1, connecting frame; 2, mounting sleeve; 3, driving motor; 4, first transmission wheel; 5, transmission belt; 6, wire feeding pipe; 7, wire feeding nozzle; 8, protective cover; 9, support block; 10, connecting block; 11, adjusting hole; 12, connecting hole; 13, first adjusting block; 14, second adjusting block; 15, annular avoiding groove; 16, mounting hole; 17, mounting groove. DETAILED DESCRIPTION

[0019] The application will be further described below with reference to the accompanying drawings. Figures 1-2 The application will be further described below with reference to the accompanying drawings.

[0020] The application discloses a welding wire feeding mechanism.

[0021] Referring to Figure 1 and Figure 2 , the welding wire feeding mechanism comprises a connecting frame 1, a vertically arranged mounting sleeve 2 is rotatably connected to the connecting frame 1, a welding torch is mounted on the inner edge of the mounting sleeve 2, a driving unit for driving the mounting sleeve 2 to rotate is arranged on the connecting frame 1, and a wire feeding unit for feeding metal wires is arranged on the mounting sleeve 2. Therefore, the driving unit is started to drive the wire feeding unit on the mounting sleeve 2 to rotate synchronously, so that the position of the welding end metal wire is adjusted, the flexibility is higher, the corners of the frame-shaped product are conveniently welded, the application range is wider, and the welding effect and welding efficiency are improved.

[0022] Referring to Figure 1 and Figure 2 , the driving unit comprises a driving motor 3 arranged on the connecting frame 1, the output end of the driving motor 3 is in transmission connection with the mounting sleeve 2 through a connecting assembly, the transmission assembly comprises a first transmission wheel 4 arranged at the output end of the driving motor 3, a second transmission wheel is fixedly arranged on the outer edge of the mounting sleeve 2, and a conveying belt 5 is tightly wound between the first transmission wheel 4 and the second transmission wheel. Therefore, the driving motor 3 is started to drive the first transmission wheel 4 at the output end of the driving motor 3 to rotate, the first transmission wheel 4 drives the second transmission wheel and the conveying belt 5 to rotate, and since the second transmission wheel is fixedly arranged on the outer edge of the mounting sleeve 2, the rotation of the wire feeding unit on the mounting sleeve 2 is realized, and the position of the welding end metal wire is adjusted.

[0023] Referring to Figure 1 and Figure 2 , the wire feeding unit comprises a mounting frame arranged on the mounting sleeve 2, a wire feeding pipe 6 is arranged on the mounting frame, a wire feeding nozzle 7 made of copper material is mounted at the end, away from the mounting frame, of the wire feeding pipe 6, an annular avoiding groove 15 is formed in the outer edge of the wire feeding nozzle 7, the annular avoiding groove 15 reduces the size occupied by the outer edge of the wire feeding nozzle 7, and space is left for the welding end of the welding torch, so that the possibility of interference between the wire feeding nozzle 7 and the welding torch in the welding process is reduced.

[0024] Referring to Figure 1 and Figure 2The one end of the wire feeding pipe 6 is fixedly connected with a threaded sleeve towards the wire feeding nozzle 7, a threaded groove matching the size of the threaded sleeve is formed on the surface of the wire feeding nozzle 7 towards the wire feeding nozzle 7, the threaded sleeve is threadedly connected in the threaded groove, the wire is sequentially arranged through the wire feeding pipe 6 and the wire feeding nozzle 7 and corresponds to the welding end of the welding gun, that is, the wire corresponds to the position of the welding head. The wire in the embodiment of the application is an aluminum wire. The wire feeding pipe 6 plays a limiting role on the position of the aluminum wire, the copper wire feeding nozzle 7 can accurately guide the aluminum wire to the welding position, ensuring the accuracy and efficiency of the welding process, and the operator can also use the thread to detach the wire feeding nozzle 7 from the wire feeding pipe 6, realizing the detachable connection of the wire feeding nozzle 7 and facilitating the replacement of the wire feeding nozzle 7.

[0025] With reference to Figure 1 and Figure 2 , the mounting frame comprises a supporting block 9 arranged on the mounting sleeve 2, the supporting block 9 is hingedly connected with a connecting block 10, and the wire feeding pipe 6 is arranged on the connecting block 10. In the embodiment of the application, the supporting block 9 and the connecting block 10 can be connected in a damping hinged manner, and the connecting block 10 can also be adjusted to a suitable position and then fixed by a bolt and nut connection manner. Therefore, through the hinge connection of the connecting block 10 and the supporting block 9, the angle of the connecting block 10 relative to the supporting block 9 can be adjusted, realizing the adjustable position of the connecting block 10 and the wire feeding pipe 6, and the flexibility is stronger.

[0026] With reference to Figure 1 and Figure 2 , the connecting block 10 is provided with a mounting hole 16 matching the size of the wire feeding pipe 6, the wire feeding pipe 6 is arranged through the mounting hole 16 and in contact with the hole wall of the mounting hole 16, and the wire feeding pipe 6 can be arranged through the mounting hole 16 in a plug-in manner, so as to install the wire feeding pipe 6 on the connecting block 10. The mounting hole 16 is provided with a mounting groove 17 on the hole wall, a stabilizing screw matching the mounting groove 17 is threadedly connected in the mounting groove 17, one end of the stabilizing screw towards the wire feeding pipe 6 abuts against the wire feeding pipe 6, the end of the stabilizing screw limits the position of the wire feeding pipe 6, reduces the possibility of the wire feeding pipe 6 moving during welding, improves the stability of the installation of the wire feeding pipe 6, and thus improves the welding quality.

[0027] With reference to Figure 1 and Figure 2The support block 9 is provided with an adjusting hole 11 matched with the size of the mounting sleeve 2, the mounting sleeve 2 passes through the adjusting hole 11 and is in contact with the hole wall of the adjusting hole 11, the support block 9 is provided with a mounting block, the mounting block is provided with a connecting hole 12 communicated with the adjusting hole 11, the connecting hole 12 divides the mounting block into a first adjusting block 13 and a second adjusting block 14, the first adjusting block 13 and the second adjusting block 14 are oppositely arranged, and the first adjusting block 13 and the second adjusting block 14 are connected through a fixing assembly. The fixing assembly comprises a mounting bolt sequentially passing through the first adjusting block 13 and the second adjusting block 14, a mounting nut in threaded connection with the outer edge of the mounting bolt, and the first adjusting block 13 abutting between the mounting nut and the mounting bolt. Therefore, through the adjusting hole 11, the support block 9 can slide in the vertical direction of the mounting sleeve 2, so that the height of the wire feeding pipe 6 and the wire feeding nozzle 7 in the vertical direction of the mounting sleeve 2 is adjusted, and after being adjusted to the appropriate position, the position of the support block 9 can be fixed by the bolt connection mode.

[0028] The implementation principle of the embodiment of the application is that the driving motor 3 is started to drive the first transmission wheel 4 at the output end of the driving motor 3 to rotate, the first transmission wheel 4 drives the second transmission wheel and the conveying belt 5 to rotate, and since the second transmission wheel is fixedly sleeved on the outer edge of the mounting sleeve 2, the rotation of the mounting sleeve 2 is realized, and the adjustment of the position of the welding wire is realized. In addition, the support block 9 in the embodiment of the application can slide in the vertical direction of the mounting sleeve 2, so that the height of the wire feeding pipe 6 and the wire feeding nozzle 7 in the vertical direction of the mounting sleeve 2 is adjusted. Through the hinging of the connecting block 10 and the support block 9, the angle of the connecting block 10 relative to the support block 9 can be adjusted, so that the angle of the wire feeding pipe 6 and the wire feeding nozzle 7 is adjusted, the flexibility is stronger, the welding of the corners of the frame-shaped product is facilitated, the application range is wider, and the welding effect and the welding efficiency are improved.

[0029] The specific embodiment is only an explanation of the application and is not a limitation of the application, and those skilled in the art can make modifications to the embodiment without creative contribution according to the needs after reading the specification, but as long as the modifications are within the scope of the claims of the application, the modifications are protected by the patent law.

Claims

1. A welding wire feeder, characterized by: The utility model provides a welding wire feeding device, including connecting frame (1), the mounting sleeve (2) is rotatably connected on connecting frame (1), and welding torch is arranged on the mounting sleeve (2), and the drive unit for driving the rotation of mounting sleeve (2) is equipped on connecting frame (1), and the wire feeding unit for conveying wire is equipped on the mounting sleeve (2).

2. The welding wire feed mechanism of claim 1, wherein: The drive unit includes a drive motor (3) disposed on the connecting frame (1), and the output end of the drive motor (3) is in transmission connection with the mounting sleeve (2) through a connecting assembly.

3. The welding wire feed mechanism of claim 2, wherein: The transmission assembly includes a first transmission wheel (4) disposed on the output end of the drive motor (3), and the outer edge of the mounting sleeve (2) is fixedly provided with a second transmission wheel, and a transmission belt (5) is tightly wound between the first transmission wheel (4) and the second transmission wheel.

4. The welding wire feed mechanism of claim 1, wherein: The wire feeding unit includes a mounting bracket disposed on the mounting sleeve (2), and the mounting bracket is provided with a wire feeding tube (6), and the wire feeding tube (6) is provided with a wire feeding nozzle (7) at the end away from the mounting bracket, and the wire is sequentially arranged through the wire feeding tube (6) and the wire feeding nozzle (7) and corresponds to the welding end of the welding torch.

5. The welding wire feed mechanism of claim 4, wherein: The mounting bracket includes a support block (9) disposed on the mounting sleeve (2), and the support block (9) is hingedly provided with a connecting block (10), and the wire feeding tube (6) is disposed on the connecting block (10).

6. The welding wire feed mechanism of claim 5, wherein: The support block (9) is provided with an adjusting hole (11) matched with the mounting sleeve (2), the mounting sleeve (2) passes through the adjusting hole (11) and is in contact with the hole wall of the adjusting hole (11), the support block (9) is provided with a mounting block, the mounting block is provided with a connecting hole (12) communicated with the adjusting hole (11), the connecting hole (12) divides the mounting block into a first adjusting block (13) and a second adjusting block (14), and the first adjusting block (13) and the second adjusting block (14) are connected through a fixing assembly.

7. The welding wire feed mechanism of claim 6, wherein: The fixing assembly includes a mounting bolt sequentially passing through the first adjusting block (13) and the second adjusting block (14), the outer edge of the mounting bolt is threadedly connected with a mounting nut, and the first adjusting block (13) is tightly arranged between the mounting nut and the mounting bolt.

8. The welding wire feed mechanism of claim 5, wherein: The connecting block (10) is provided with a mounting hole (16) matched with the wire feeding tube (6), the wire feeding tube (6) passes through the mounting hole (16) and is in contact with the hole wall of the mounting hole (16), the hole wall of the mounting hole (16) is provided with a mounting groove (17), the mounting groove (17) is threadedly connected with a stabilizing screw matched with the mounting groove (17), and the end of the stabilizing screw away from the wire feeding tube (6) is tightly arranged with the wire feeding tube (6).

9. The welding wire feed mechanism of claim 4, wherein: The outer edge of the wire feeding nozzle (7) is provided with an annular avoiding groove (15).

10. The welding wire feed mechanism of claim 4, wherein: The end of the wire feeding tube (6) away from the wire feeding nozzle (7) is provided with a threaded sleeve, the surface of the wire feeding nozzle (7) away from the wire feeding nozzle (7) is provided with a threaded groove matched with the threaded sleeve, and the threaded sleeve is threadedly connected in the threaded groove.

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