Wire feeder

Abstract

The utility model relates to the technical field of welding, and particularly discloses a wire feeder. The wire feeding machine comprises a machine body, a transmission wheel arranged on the machine body, a pressing wheel arm, a driven wheel arranged on the pressing wheel arm and a fastening handle, and the fastening handle is used for fixing the pressing wheel arm so that a welding wire between the transmission wheel and the driven wheel can move to a wire outlet from a wire inlet under the action of a movable roller and the driven wheel. The fastening handle is provided with a fastening ring, and the fastening ring can rotate on the fastening handle so as to adjust the welding wire clamping strength of the transmission wheel and the driven wheel, so that the friction force between the surfaces of the transmission wheel and the driven wheel and the welding wire is adjusted, and the welding wire is prevented from slipping. And moreover, the wire guide groove is formed in the surface of the transmission wheel of the wire feeder, so that the welding wire can be guided to move, the contact surface between the wire feeding wheel and the welding wire can be increased, and the wire feeding operation of the wire feeder is more stable.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding, in particular to a wire feeding machine. Background Art

[0002] Wire feeding is a very important operation link in the welding process. The clamping force of the wire feeding roller of the wire feeder on the welding wire is a key factor affecting the stability of wire feeding. Therefore, how to adjust the clamping force to adjust the friction between the feed roller surface and the welding wire so that the welding wire does not slip is a problem that needs to be solved in the prior art. Utility Model Content

[0003] In view of the above situation, in order to solve the problems existing in the prior art, the utility model proposes a wire feeder. The specific technical solution is as follows:

[0004] A wire feeder comprises a body, a transmission wheel arranged on the body, a pressure wheel arm, a driven wheel arranged on the pressure wheel arm and a fastening handle, wherein the fastening handle is used to fix the pressure wheel arm so that the welding wire between the transmission wheel and the driven wheel moves from the wire inlet to the wire outlet under the action of the transmission wheel and the driven wheel, and the fastening handle is provided with a fastening ring, and the fastening ring can be rotated on the fastening handle to adjust the force of the transmission wheel and the driven wheel to clamp the welding wire, thereby adjusting the friction between the surfaces of the transmission wheel and the driven wheel and the welding wire.

[0005] Preferably, threads are provided on the surface of the fastening handle and inside the fastening ring, and a spring is provided inside the fastening handle.

[0006] Preferably, a wire guiding groove is provided on the surface of the transmission wheel.

[0007] Preferably, the wire guide grooves are multiple wire guide grooves which are arranged in parallel with each other and can pull welding wires of different diameters.

[0008] Compared with the prior art, the beneficial effects of the utility model are as follows: the wire feeder of the utility model includes a body, a transmission wheel arranged on the body, a pressure wheel arm, a driven wheel arranged on the pressure wheel arm, and a fastening handle, the fastening handle is used to fix the pressure wheel arm so that the welding wire between the transmission wheel and the driven wheel moves from the wire inlet to the wire outlet under the action of the moving rod and the driven wheel, the fastening handle has a fastening ring, the fastening ring can be rotated on the fastening handle to adjust the strength of the transmission wheel and the driven wheel to clamp the welding wire, and then adjust the friction between the transmission wheel and the driven wheel surface and the welding wire to prevent the welding wire from slipping. In addition, the transmission wheel surface of the wire feeder of the utility model is provided with a wire guide groove, which can not only guide the movement of the welding wire, but also increase the contact surface between the wire feeding wheel and the welding wire, thereby making the wire feeding operation of the wire feeder more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1It is a structural schematic diagram of the wire feeding machine of the utility model. DETAILED DESCRIPTION

[0010] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0011] like Figure 1 As shown, this embodiment provides a wire feeder. The wire feeder of this embodiment includes a body 1, a transmission wheel 2 arranged on the body 1, a pressure wheel arm 3, a driven wheel 4 arranged on the pressure wheel arm 3, and a fastening handle 5, wherein the fastening handle 5 is used to fix the pressure wheel arm 3 so that the welding wire between the transmission wheel 2 and the driven wheel 4 moves from the wire inlet 6 to the wire outlet 7 under the action of the transmission wheel 2 and the driven wheel 4, and the fastening handle 5 has a fastening ring 5.1, and the fastening ring 5.1 can be rotated on the fastening handle 5 to adjust the force of the transmission wheel 2 and the driven wheel 4 to clamp the welding wire, thereby adjusting the friction between the surfaces of the transmission wheel 2 and the driven wheel 4 and the welding wire, so as to prevent the welding wire from slipping.

[0012] As a preferred embodiment, the surface of the fastening handle 5 and the interior of the fastening ring 5.1 are provided with threads, and the fastening ring 5.1 is rotated on the fastening handle 5 through the threads. A spring (not shown in the figure) is provided inside the fastening handle 5, which can reduce the vibration generated by the wire feeder during the wire feeding process, thereby reducing the risk of the welding wire breaking during the wire feeding process.

[0013] As a preferred embodiment, the surface of the driving wheel 2 is provided with a wire guide groove 2.1, which can not only guide the movement of the welding wire, but also increase the contact area between the wire feeding wheel and the welding wire, thereby making the wire feeding operation of the wire feeder more stable.

[0014] As a preferred embodiment, the wire-feeding grooves 2.1 are multiple wire-feeding grooves 2.1 which are arranged in parallel with each other and can pull welding wires of different diameters, thereby realizing the wire feeding operation of welding wires of different diameters.

[0015] 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 wire feeder, characterized in that: include: A machine body (1), a transmission wheel (2) arranged on the machine body (1), a pressure wheel arm (3), a driven wheel (4) arranged on the pressure wheel arm (3), and a fastening handle (5), wherein the fastening handle (5) is used to fix the pressure wheel arm (3) so that the welding wire between the transmission wheel (2) and the driven wheel (4) moves from a wire inlet (6) to a wire outlet (7) under the action of the transmission wheel (2) and the driven wheel (4), and the fastening handle (5) is provided with a fastening ring (5.1), and the fastening ring (5.1) can be rotated on the fastening handle (5) to adjust the force of the transmission wheel (2) and the driven wheel (4) to clamp the welding wire, thereby adjusting the friction between the surfaces of the transmission wheel (2) and the driven wheel (4) and the welding wire.

2. The wire feeder according to claim 1, characterized in that: The surface of the fastening handle (5) and the interior of the fastening ring (5.1) are provided with threads.

3. The wire feeder according to claim 2, characterized in that: A spring is arranged inside the fastening handle (5).

4. The wire feeder according to claim 1 or 3, characterized in that: A wire guiding groove (2.1) is provided on the surface of the transmission wheel (2).

5. The wire feeder according to claim 4, characterized in that: The wire guide grooves (2.1) are multiple wire guide grooves (2.1) arranged in parallel with each other and capable of pulling welding wires of different diameters.

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