CN210524098U

CN210524098U - Wire feeding mechanism of gas shielded welding machine

Info

Publication number: CN210524098U
Application number: CN201921385998.6U
Authority: CN
Inventors: 周翔; 燕科委; 史君
Original assignee: Hefei Aolande Machinery Technology Co ltd
Current assignee: Hefei Aolande Machinery Technology Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-15
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a wire feeding mechanism of a gas shielded welding machine, which comprises a wire feeding wheel, a pressing wheel, a driving device and a pressurizing device, wherein the wire feeding wheel is arranged on the driving device, the pressing wheel and the wire feeding wheel are arranged oppositely, and the pressing wheel is rotatably arranged on the pressurizing device; the driving device comprises a driving rotating shaft, the wire feeding wheel is installed on the driving rotating shaft and rotates along with the rotation of the driving rotating shaft, a plurality of circles of welding wire accommodating grooves which correspond to a plurality of welding wires with different diameter specifications in a one-to-one mode are formed in the peripheral wall of the wire feeding wheel, and a position adjusting mechanism used for adjusting the position of the wire feeding wheel on the driving rotating shaft is further arranged on the driving rotating shaft. Therefore, compare prior art, the utility model has the advantages of need not to change and send the silk wheel, welding work efficiency is high.

Description

Wire feeding mechanism of gas shielded welding machine

Technical Field

The utility model relates to a gas shielded welding machine field, concretely relates to wire drive feed mechanism of gas shielded welding machine.

Background

Gas shielded welders are widely used in current welding manufacturing operations. The welding quality of a gas shielded welder is not only related to the performance of the welding power supply, but also depends on the stability and reliability of the wire feeder. Because the rigidity of the welding wire is poor, the wire body is soft, the requirement on a wire feeding mechanism is strict, the wire feeding pressure is reduced, and the uniform wire feeding is ensured.

The existing wire feeding mechanism is generally composed of a driving device, a wire feeding wheel, a pressing wheel, a pressurizing device and the like. The welding wire coiled on the welding wire coil is sent to a welding gun through a wire feeding wheel of a wire feeding mechanism, the welding wire has multiple diameter specifications, the welding wire with different diameter specifications is required to be used in different welding scenes, and correspondingly, the wire feeding wheels provided with grooves with different depths and different widths are also provided, different wire feeding wheels are used according to the welding wire with different diameter specifications at each time, so that the different wire feeding wheels are frequently replaced, and the welding work efficiency is influenced. Therefore, a new technical solution is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wire drive feed mechanism of gas shielded welding machine solves the problem that the need that prior art exists frequently changes wire feeding wheel and welding work efficiency is low.

In order to achieve the above object, the technical solution of the present invention is that: a wire feeding mechanism of a gas shielded welding machine comprises a wire feeding wheel, a pressing wheel, a driving device and a pressurizing device, wherein the wire feeding wheel is arranged on the driving device, the pressing wheel and the wire feeding wheel are oppositely arranged, and the pressing wheel is rotatably arranged on the pressurizing device;

the driving device comprises a driving rotating shaft, the wire feeding wheel is installed on the driving rotating shaft and rotates along with the rotation of the driving rotating shaft, a plurality of circles of welding wire accommodating grooves which correspond to a plurality of welding wires with different diameter specifications in a one-to-one mode are formed in the peripheral wall of the wire feeding wheel, and a position adjusting mechanism used for adjusting the position of the wire feeding wheel on the driving rotating shaft is further arranged on the driving rotating shaft.

Preferably, the position adjusting mechanism comprises a first abutting piece and a second abutting piece, the first abutting piece and the second abutting piece are respectively movably mounted on the driving rotating shaft, and the first abutting piece and the second abutting piece respectively abut against the side walls of the two sides of the wire feeding wheel.

Preferably, first piece of propping is elastic element, the drive pivot includes the pivot body and locates the boss of pivot body root, the elastic element cover is established the periphery of pivot body, elastic element's one end is supported on the boss, and its other end supports send the silk to take turns to.

Preferably, the elastic element is a spring.

Preferably, the second abutting piece is a nut, a threaded portion is arranged at one end, far away from the boss, of the rotating shaft body, and the nut is in threaded connection with the threaded portion.

Preferably, the rotating shaft body is provided with a convex strip extending along the length direction of the rotating shaft body, and the inner side wall of the wire feeding wheel is provided with a clamping groove matched with the convex strip in shape.

Preferably, rubber rings are respectively wound on the peripheries of the pressing wheel and the wire feeding wheel.

Compared with the prior art, the utility model has the advantages of as follows: the utility model provides a pair of wire feeding mechanism of gas shielded welding machine adjusts the wire feeding wheel through position control mechanism and puts in the drive pivot for the welding wire storage tank corresponding to this kind of diameter specification welding wire is located the transport route, just so need not to change different wire feeding wheels, and welding work efficiency also can obtain improving. Therefore, compare prior art, the utility model has the advantages of need not to change and send the silk wheel, welding work efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the present invention;

FIG. 2 is a left side view partially schematic of the present invention;

fig. 3 is a sectional view a-a of fig. 2.

In the figure: 1-wire feeding wheel, 2-pinch roller, 3-drive arrangement, 4-pressure device, 5-position adjustment mechanism, 6-welding wire, 11-welding wire storage tank, 12-draw-in groove, 31-drive pivot, 51-first piece of keeping up, 52-second piece of keeping up, 311-pivot body, 312-boss, 313-sand grip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1-3, fig. 1 is a front view of the present invention; FIG. 2 is a left side view partially schematic of the present invention; fig. 3 is a sectional view a-a of fig. 2.

The utility model provides a wire drive feed mechanism of gas shielded welder, including sending wire wheel 1, pinch roller 2, drive arrangement 3 and pressure device 4, send wire wheel 1 to install on drive arrangement 3, pinch roller 2 with send wire wheel 1 to set up relatively, pinch roller 2 and the periphery that sends wire wheel 1 still twine respectively and have the rubber circle (not shown in the figure). The pressing wheel 2 is rotatably arranged on the pressurizing device 4. The driving device 3 drives the wire feeding wheel 1 to rotate, the wire feeding wheel 1 and the pressing wheel 2 are pressed against the welding wire 6, the wire feeding wheel 1 is driven, and the pressing wheel 2 is driven to feed the welding wire 6 into the wire feeding pipe from the wire disc. The pressurizing device 4 is used for adjusting the pressure value of the pressing wheel 2 against the welding wire 6.

As shown in fig. 2 and 3, the driving device 3 includes a driving shaft 31, the wire feeding wheel 1 is mounted on the driving shaft 31 and rotates along with the driving shaft 31, a protruding strip 313 extending along the length direction of the shaft body 311 is disposed on the shaft body 311, and a locking groove 12 adapted to the shape of the protruding strip 313 is disposed on the inner side wall of the wire feeding wheel 1.

As shown in fig. 2, the circumferential wall of the wire feeding wheel 1 is provided with a plurality of circles of wire accommodating grooves 11 corresponding to a plurality of welding wires 6 with different diameters one by one, and the driving rotating shaft 31 is further provided with a position adjusting mechanism 5 for adjusting the position of the wire feeding wheel 1 on the driving rotating shaft 31. Therefore, the wire feeding wheel 1 does not need to be frequently replaced, the corresponding welding wire accommodating groove 11 is selected according to the diameter of the welding wire 6 to be fed, and the corresponding welding wire accommodating groove 11 is moved on the driving rotating shaft 31 to the condition that the feeding track of the welding wire 6 is tangent to the welding wire accommodating groove 11 through the position adjusting mechanism 5.

As shown in fig. 1 and 2, the position adjusting mechanism 5 includes a first abutting member 51 and a second abutting member 52, the first abutting member 51 and the second abutting member 52 are respectively movably mounted on the driving rotating shaft 31, and the first abutting member 51 and the second abutting member 52 respectively abut against the side walls on both sides of the wire feeding wheel 1.

As shown in fig. 2, the first abutting member 51 is an elastic element, and in this embodiment, the elastic element is a spring. The driving shaft 31 includes a shaft body 311 and a boss 312 disposed at the root of the shaft body 311, the elastic element is sleeved on the periphery of the shaft body 311, one end of the elastic element abuts against the boss 312, and the other end of the elastic element abuts against the wire feeding wheel 1. The second abutting member 52 is a nut, a threaded portion is disposed at an end of the rotating shaft body 311 away from the boss 312, and the nut 52 is screwed with the threaded portion.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a wire feeder of gas shielded welder which characterized in that: the device comprises a wire feeding wheel, a pressing wheel, a driving device and a pressurizing device, wherein the wire feeding wheel is arranged on the driving device, the pressing wheel is arranged opposite to the wire feeding wheel, and the pressing wheel is rotatably arranged on the pressurizing device;

2. The wire feeder of the gas shielded welding machine as set forth in claim 1, wherein: the position adjusting mechanism comprises a first abutting piece and a second abutting piece, the first abutting piece and the second abutting piece are movably mounted on the driving rotating shaft respectively, and the first abutting piece and the second abutting piece abut against the side walls of the two sides of the wire feeding wheel respectively.

3. The wire feeder of the gas shielded welding machine as set forth in claim 2, wherein: first piece of keeping to be elastic element, the drive pivot includes the pivot body and locates the boss of pivot body root, the elastic element cover is established the periphery of pivot body, elastic element's one end is supported on the boss, its other end supports send the silk to take turns to.

4. The wire feeder of the gas shielded welding machine as set forth in claim 3, wherein: the elastic element is a spring.

5. A wire feeder for a gas shielded welder according to claim 3 or 4, wherein: the second piece of propping is the nut, the pivot body is kept away from the one end of boss is equipped with screw thread portion, the nut with the screw thread portion spiro union.

6. A wire feeder for a gas shielded welder according to claim 3 or 4, wherein: the wire feeding wheel is characterized in that the rotating shaft body is provided with a convex strip extending along the length direction of the rotating shaft body, and the inner side wall of the wire feeding wheel is provided with a clamping groove matched with the shape of the convex strip.

7. The wire feeder of the gas shielded welding machine as set forth in claim 1, wherein: rubber rings are respectively wound on the peripheries of the pressing wheel and the wire feeding wheel.