CN223819804U - Welding wire feeding device of argon arc welding machine - Google Patents

Abstract

This utility model relates to a wire feeding device, and more particularly to a wire feeding device for an argon arc welding machine. It includes a housing, a heating cylinder, a heating wire, a motor, a drive wheel, a driven wheel, and a sleeve. The heating cylinder is located inside the housing, with its left end penetrating the left end of the housing. The heating wire is located inside the heating cylinder. The motor is installed inside the housing, and its output shaft is connected to the drive wheel. The driven wheel is rotatably mounted inside the housing. A sleeve is located on the right side of the housing, penetrating the right side of the housing. Both the heating cylinder and the sleeve have through holes. This utility model, through the design of the heating cylinder and heating wire, can preheat the welding wire, ensuring it has a certain temperature before melting, reducing the temperature difference between the welding area and the welding wire, thereby reducing thermal stress caused by rapid temperature changes.

Description

Welding wire feeding device of argon arc welding machine

Technical Field

The utility model relates to a wire feeder, in particular to a welding wire feeder of an argon arc welding machine.

Background

Argon arc welding is a welding technology using argon as protective gas, in the welding process, the argon forms a layer of protective gas cover around the electric arc to isolate air outside a welding area and prevent oxidation of the welding area, so that welding quality is ensured, a welding wire is used as a filling material to fill a welding seam, the welding seam is more uniform, meanwhile, the direction and stability of the electric arc can be controlled in the welding process, and a wire feeder is an important component for ensuring welding quality.

The manual welding wire feeder capable of forward wire feeding and reverse wire withdrawing comprises an upper shell and a lower shell, wherein a passive main wheel and a passive slave wheel which are arranged side by side are arranged on the lower side inside the upper shell, and welding wires are fed out from the upper shell through the lower shell under the guidance of the passive main wheel and the passive slave wheel.

The above patent lacks the function of preheating welding wires, and in the process of welding high alloy welding wires, the temperature difference between the welding wires and a welding area is large, and thermal stress is easy to generate, so that the quality and strength of welding seams are influenced.

Disclosure of utility model

In order to overcome the defect that a welding wire does not have preheating before welding, the utility model provides a welding wire feeder of an argon arc welding machine.

The technical scheme is that the welding wire feeder of the argon arc welding machine comprises a box body, a heating cylinder, a heating wire, a motor, a driving wheel, a driven wheel, a sleeve and welding wires, wherein the heating cylinder is arranged in the box body, the left end of the heating cylinder penetrates through the left end of the box body, the heating wire is arranged in the heating cylinder, the motor is arranged in the box body, an output shaft of the motor is connected with the driving wheel, the driven wheel is rotatably arranged in the box body, the sleeve is arranged on the right side of the box body and penetrates through the right side of the box body, through holes are formed in the heating cylinder and the sleeve, the welding wires sequentially penetrate through the through holes of the heating cylinder, a gap between the driving wheel and the driven wheel and the through holes in the sleeve from left to right, and the driving wheel and the driven wheel are in contact with the welding wires.

Optionally, the side walls of the driving wheel and the driven wheel are provided with arc grooves, and the shape of each arc groove is matched with the welding wire.

Optionally, the welding wire heating device further comprises a first guide seat and a second guide seat, the left side of the heating cylinder and the left side of the sleeve are respectively provided with the first guide seat, the middle part of the first guide seat is provided with a first guide hole, the left side diameter of the first guide hole is larger than the section diameter of the welding wire, the right side diameter of the first guide hole is identical to the section diameter of the welding wire, the leftmost end of the first guide seat is arc-shaped, the right side of the heating cylinder is provided with the second guide seat, the middle part of the second guide seat is provided with a second guide hole, the second guide hole is similar to the first guide hole, the right side diameter is identical to the section diameter of the welding wire, and the left side is wide.

Optionally, the box also comprises a transparent part, and the middle part of the upper side of the box body is the transparent part.

Optionally, the box also comprises radiating fins, and the front side and the rear side of the box are provided with radiating fins.

Optionally, the heating cartridge is made of an insulating material.

The welding wire preheating device has the beneficial effects that 1, the welding wire can be preheated through the design of the heating cylinder and the heating wire, the welding wire has a certain temperature before being melted, and the temperature difference between a welding area and the welding wire is reduced, so that the thermal stress generated by rapid temperature change is reduced, and meanwhile, the welding wire can reach the melting point more quickly through preheating, so that the welding wire can be better fused with a base metal, and a welding seam with firmer quality is formed.

2. The utility model can effectively correct the position of the welding wire through the design of the first guide seat and the second guide seat, ensures that the welding wire can enter and exit the heating cylinder and the sleeve accurately, enables a user to intuitively observe the working state in the box through the design of the transparent part, is convenient for finding and solving the problems in time, and simultaneously ensures that the installation and replacement processes of the welding wire are more convenient.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a cross-sectional view of the case of the present utility model.

Fig. 3 is a cross-sectional view of a heater cartridge of the present utility model.

Fig. 4 is a schematic perspective view of the motor, driving wheel and driven wheel of the present utility model.

The marks in the drawing are 1-box, 101-transparent part, 2-mounting seat, 3-heating cylinder, 4-heating wire, 5-motor, 6-driving wheel, 61-arc groove, 7-driven wheel, 8-sleeve, 9-welding wire, 10-first guide seat, 11-second guide seat and 12-cooling fin.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an argon arc welding machine welding wire feeding device, as shown in fig. 1-4, including box 1, mount pad 2, heating cylinder 3, heater strip 4, motor 5, action wheel 6, from driving wheel 7, sleeve 8 and welding wire 9, box 1 is inside to be equipped with mount pad 2, be fixed with heating cylinder 3 on the mount pad 2, the box 1 left end is run through to the heating cylinder 3 left end, the inside heater strip 4 that is equipped with of heating cylinder 3, the heater strip 4 surrounds the inside evenly distributed of heating cylinder 3, ensure that heat distribution is even, box 1 internally mounted has motor 5, the output shaft of motor 5 connects action wheel 6, box 1 inside rotation is equipped with from driving wheel 7, action wheel 6 and from driving wheel 7 are in same horizontal plane and have the clearance between, box 1 right side is equipped with sleeve 8, sleeve 8 runs through box 1 right side, the through-hole all is fixed with on heating cylinder 3 and sleeve 8, welding wire 9 passes through the through-hole on heating cylinder 3 from left to right in proper order, clearance between action wheel 6 and the driving wheel 7 and the through-hole on sleeve 8, action wheel 6 and follow-up wheel 7 contact with welding wire 9.

When the welding wire 9 is used, firstly, the welding wire 9 passes through the through hole of the heating cylinder 3 from the left side of the box body 1, then, the welding wire 9 enters a gap formed by the driving wheel 6 and the driven wheel 7, finally, the welding wire 9 passes through the through hole of the sleeve 8 and stretches out of the right side of the box body 1, the heating wire 4 is started, the heating wire 4 preheats the welding wire 9, the temperature of the welding wire 9 is increased, the motor 5 drives the driving wheel 6 to rotate, the welding wire 9 is pushed rightwards by the pressure between the driving wheel 6 and the driven wheel 7, and the sleeve 8 ensures that the welding wire 9 can be linearly and stably output from the box body 1, so that the welding wire 9 is prevented from bending or shifting when leaving the box body 1.

The side walls of the driving wheel 6 and the driven wheel 7 are respectively provided with an arc groove 61, the shape of each arc groove 61 is matched with that of the welding wire 9, the arc grooves 61 can guide the welding wire 9 to advance along an expected path, the welding wire 9 is prevented from being separated from the driving wheel 6 or the driven wheel 7 in the moving process, and the stability of the wire feeding process is ensured.

As shown in fig. 3, the welding wire heating device further comprises a first guide seat 10 and a second guide seat 11, the left side of the heating cylinder 3 and the left side of the sleeve 8 are respectively provided with the first guide seat 10, the middle of the first guide seat 10 is provided with a first guide hole, the left side diameter of the first guide hole is larger than the section diameter of the welding wire 9, the right side diameter of the first guide hole is the same as the section diameter of the welding wire 9, the leftmost end of the first guide seat 10 is arc-shaped, the right side of the heating cylinder 3 is provided with the second guide seat 11, the middle of the second guide seat 11 is provided with a second guide hole, the second guide hole is similar to the first guide hole, the right side diameter is consistent with the section diameter of the welding wire 9, the left side is wide, the first guide hole and the second guide hole are corresponding to the centers of the through holes on the heating cylinder 3 and the sleeve 8, the diameters of the first guide hole and the second guide hole are gradually contracted from left to right, the positions of the welding wire 9 are helped to be corrected, the welding wire 9 is ensured to smoothly enter and exit the heating cylinder 3 and the sleeve 8, and various problems caused by position deviation are reduced.

As shown in fig. 1, the welding wire box further comprises a transparent part 101, the middle part of the upper side of the box body 1 is provided with the transparent part 101, the transparent part 101 enables a user to intuitively observe the working state inside the box body 1, including the position of the welding wire 9, the heating condition of the heating cylinder 3, the running states of the driving wheel 6 and the driven wheel 7 and the like, and meanwhile, when the welding wire 9 is replaced or firstly installed, the transparent part 101 enables an operator to intuitively observe the inside of the box body 1, so that the position and the direction of the welding wire 9 are adjusted.

As shown in fig. 1, the heat dissipation device further comprises heat dissipation fins 12, wherein the heat dissipation fins 12 are arranged on the front side and the rear side of the box body 1, the heat dissipation fins 12 are positioned on the left side of the middle part of the side wall of the box body 1 and close to the middle part of the heating cylinder 3, and the heat dissipation fins 12 can improve the heat dissipation capacity of the box body 1, prevent the temperature inside the box body 1 from being too high, and protect other parts inside the box body 1 from being damaged.

The heating cylinder 3 is made of heat insulation materials, so that heat transfer from the heating cylinder 3 to the surrounding environment during operation is reduced, heating efficiency is improved, and heat influence on other parts in the box body 1 is reduced.

It will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the utility model in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the utility model.

Claims (6)

1. The utility model provides an argon arc welding machine welding wire feeder, including box (1), motor (5), action wheel (6) and follow driving wheel (7), box (1) internally mounted has motor (5), the output shaft action wheel (6) of motor (5), box (1) inside rotation is equipped with follows driving wheel (7), characterized by is still including heating cylinder (3), heater strip (4), sleeve (8) and welding wire (9), box (1) inside is equipped with heating cylinder (3), heating cylinder (3) left end runs through box (1) left end, heating cylinder (3) inside is equipped with heater strip (4), box (1) right side is equipped with sleeve (8), sleeve (8) run through box (1) right side, all open the through-hole on heating cylinder (3) and sleeve (8), welding wire (9) are from the through-hole that left to right side passed heating cylinder (3) in proper order, clearance between action wheel (6) and follow driving wheel (7) and the through-hole on sleeve (8), action wheel (6) and follow driving wheel (7) all contact with welding wire (9).

2. The welding wire feeder of the argon arc welding machine, which is characterized in that the side walls of the driving wheel (6) and the driven wheel (7) are provided with arc grooves (61), and the shape of the arc grooves (61) is matched with that of the welding wire (9).

3. The argon arc welding machine welding wire feeder is characterized by further comprising a first guide seat (10) and a second guide seat (11), wherein the left side of the heating cylinder (3) and the left side of the sleeve (8) are respectively provided with the first guide seat (10), the middle part of the first guide seat (10) is provided with a first guide hole, the left side diameter of the first guide hole is larger than the section diameter of the welding wire (9), the right side diameter of the first guide hole is the same as the section diameter of the welding wire (9), the leftmost end of the first guide seat (10) is arc-shaped, the right side of the heating cylinder (3) is provided with the second guide seat (11), the middle part of the second guide seat (11) is provided with a second guide hole, the second guide hole is similar to the first guide hole, the right side diameter is consistent with the section diameter of the welding wire (9), and the left side width is large.

4. The welding wire feeder of argon arc welding machine according to claim 3, further comprising a transparent part (101), wherein the transparent part (101) is arranged in the middle of the upper side of the box body (1).

5. The welding wire feeder of argon arc welding machine according to claim 4, further comprising cooling fins (12), wherein the cooling fins (12) are arranged on the front side and the rear side of the box body (1).

6. A welding wire feeder for an argon arc welding machine as claimed in claim 5, wherein the heating cylinder (3) is made of a heat insulating material.