KR0136428Y1 - Welding wire feeder - Google Patents

Abstract

The present invention relates to a device for supplying a welding wire used for welding carbon dioxide gas arc of a base material, and more particularly, when welding carbon dioxide arc welding work, the welding wire to the carbon dioxide torch is selectively The present invention relates to a double feeder system for supplying welding wires, which can reduce the time required for welding work, shorten the welding work time, improve work efficiency, and maximize work productivity.

The present invention is equipped with a plurality of roller rollers on the lower surface, the control box is installed on one side of the upper side, the body having a plurality of welding wire reel on the other side; and is mounted on the inner surface of the body, connected to the print motor And a plurality of feeding roller members engaged with the driven rollers, the plurality of driven roller members symmetrically disposed on the feeding rollers, and each of the plurality of driven roller cover members connected to the central axis of the driven roller member. And a bracket having a plurality of handles connected to one side of the driven roller cover member and the bolt member.

Description

Single and double welding line feeder

1 is an overall configuration diagram of a general carbon dioxide gas welding machine.

Figure 2 is a side view of a single wire weld line feeder according to the prior art.

Figure 3 is a side view of a single, double wire welding line supply device according to the present invention.

4 is a plan view of a single, double wire welding wire supply apparatus according to the present invention.

Figure 5 is a detailed view of the bracket portion of the single wire, double wire welding wire supply apparatus according to the present invention.

* Explanation of symbols for main parts of the drawings

10: single and double wire welding wire feeder 20: body

21: cloud roller 22: control box

23,23a: welding seam reel 30: bracket

31: driving roller 32: print motor

33,33a: Feeding Roller 38,38a: Handle

The present invention relates to a device for supplying a welding wire used for welding carbon dioxide gas arc of a base material, and more particularly, when welding carbon dioxide arc welding work, the welding wire to the carbon dioxide torch is selectively The present invention relates to a single wire, double wire welding wire feeder that can supply the wire, speed the welding speed, reduce the welding time, and improve the work efficiency to maximize the work productivity.

In general, manual, semi-automatic and automatic welding methods are applied to carbon dioxide arc arc welding work performed at various sites. However, semi-automatic and automatic welding techniques are applied rather than manual to improve productivity. Silver is difficult to take a welding posture, but the semi-automatic welding technique capable of all position welding is generally applied because it is not suitable for use in a narrow welding workshop.

On the other hand, as shown in Figure 1, the single wire welding ship supply apparatus 100 mainly applying the semi-automatic welding technique is used for the carbon dioxide arc welding work mainly used in the domestic shipbuilding industry and related companies, the welding machine (2 Connect one cable (3a) withdrawal from) to the base material (5), supply the carbon dioxide gas filled in the gas cylinder (4) of a certain standard to the torch (torch) 9, supply the disconnection welding line One welding line is drawn out and fed from the apparatus 100 to generate arc between the base 5, thereby performing butt welding or fillet welding on the base 5. will be.

On the other hand, as shown in FIG. 2, the structure of the conventional single-wire welding line supply apparatus 100 which supplies one welding line for a carbon dioxide arc arc welding operation is as follows.

That is, a plurality of rolling rollers 111 may be mounted on the lower portion of the body 110 to move freely, and a welding line reel 112 may be installed on one side of the body 110 to provide a certain amount of welding line 1. ) Is wound and the welding line 1 drawn from the welding line reel 112 is inserted between the driving roller 121 and the driven roller 122 driven by a motor (not shown).

And, the central axis (122a) of the driven roller 122 is connected to the lower side of one side of the driven roller cover 123, the handle 125 is mounted on the upper one side of the driven roller (123), the other side By being connected to one side of the bracket portion 120 and the hinge shaft 126, the vertical operation of the handle 125 by rotating the driven roller cover 123 up and down by using the hinge shaft 126 as the rotation axis. The driven roller 122 can be moved up and down.

On the other hand, when the driven roller 122 and the driving roller 121 is separated by the upward operation of the handle 125, the welding wire (1) withdrawn from the welding wire reel 112 and passed through the nozzle 128 is driven roller Inserted between the 122 and the driving roller 121, the welding wire 1 is drawn out through another nozzle 128a formed on the outer surface of the bracket portion 120 to perform carbon dioxide gas arc welding. Is to connect to Torch. In addition, the welding line 1 is fixed between the driving roller 121 and the driven roller 122 and driven forward to continuously supply the welding line 1.

However, the single wire welding wire supply apparatus 100 having the above structure supplies only one welding wire 1 during the carbonic acid arc welding operation to the base material 5, so that when the welding workload is large or when welding a thick steel plate, , Or when welding deep welds, the welding speed is low, the welding rate to the base material 5 is lowered, and thus the welding work time is long, while the physical and mental fatigue of the worker is significantly increased, There is a problem in that work efficiency is reduced.

Therefore, the present invention has been devised to solve the conventional problems as described above, the object of which is that the generation of arc is good, regardless of the working conditions of the melt during the carbon dioxide gas welding operation on the base material, the deposition rate and Excellent weldability of the base material due to excellent welding rate, maximization of work productivity by improving worker's work efficiency by shortening the welding time of carbonic acid arc, but it can be helpful for corporate management by improving facility operation rate. It is to provide a double wire combined welding line feeder.

In order to achieve the above object, the present invention provides a control box on one side of the upper body, and a body having a plurality of welding wire reels on the other side; and a driving roller mounted on an inner surface of the body and connected to a print motor to rotate. And a bracket portion having a driven roller member engaged with the feeding roller, the bracket having a driven roller member disposed opposite to the feeding roller. The welding line between the feeding roller and the driven roller member is sandwiched between the feed roller and the torch for the carbon arc arc welding operation. In the welding ship supply device for supplying to the Och, one side of the plurality of the driven roller member is mounted to each of the plurality of driven roller cover member rotatably connected to the bracket portion via a hinge, the upper one side of the plurality of driven roller cover member There is a plurality of handles rotatably connected, the driven roller member is each Each of the other plurality of driven roller cover members, which are mounted in plurality, may be provided with a fixing groove into which the handle is fitted so that the plurality of handles may be inserted and fixed. When the handles are inserted into the fixing grooves, the feeding roller and the driven roller may be fixed. When the welding wire of the double wire is supplied between the roller members, and any one of the plurality of handles is separated from the fixing groove, the welding wire of the single wire is supplied between the feeding roller and the driven roller member on the side of the handle and the fixing groove connected to each other. By providing a single, double-combination welding line feeder characterized in that the configuration.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention in more detail.

3 is a side view of a single, double wire welding wire feeder according to the present invention, Figure 4 is a plan view of a single, double wire welding wire feeder according to the present invention, Figure 5 is a single, double wire welding wire feeder according to the present invention The detailed view of the bracket portion is shown.

The single and double wire welding wire feeder 10 according to the present invention is provided between the base material and the welding wire 1 by a current supplied from an arc welding machine for joining two or more base materials. In the arc welding operation using carbonic acid gas, which generates arc and arc-bonds the joining portion as heat of arc generation, the welding line 1 can be selectively supplied to the torch in a single and double lines according to the working conditions.

That is, the single and double wire combined welding wire supply device 10 of the present invention that can selectively feed the weld wire of the single wire, double wire, the body 20 equipped with a plurality of roller rollers 21 on the lower surface, and the body 20 ) And a bracket portion 30 which is integrally mounted, and has a control box 22 on one side of the body 20, and a plurality of welding line reels to which a certain amount of welding line 1 is wound. 23) and 23a are positioned, and they are mounted while maintaining a constant height difference, preferably 10 mm above and below.

In addition, the inner space of the bracket portion 30 which is integrally mounted with the body 20 is equipped with a print motor 32 for rotating the driving roller 31 in one direction, and engaged with the driving roller 31 in one direction. A plurality of insertion grooves are provided with a plurality of feeding rollers 33 and 33a rotating at the same speed, and a plurality of welding lines 1 can be fitted to the outer circumferential surfaces of the feeding rollers 33 and 33a, respectively. (Not shown) is formed.

In addition, the plurality of driven roller members 34 and 34a which are symmetrically arranged in contact with the outer circumferential surface at the upper side of the feeding rollers 33 and 33a are driven fixed rollers which always contact one side of the feeding roller 33a. 34a) and a driven variable roller 34 in contact with and non-contact with another feeding roller 33 on one side.

Meanwhile, a central axis of the driven variable roller 34 in which two roller members are formed in a set is fixed to one side of the plurality of driven roller covers 36 and the bolt member 35 so as to be rotatable, respectively, and the driven roller cover 36 ) Is connected to one side of the bracket portion 30 and the hinge 35a, a plurality of handles as a bolt member 35 on one side of each upper end of the plurality of driven roller cover 36 connected to the driven variable roller 34 (38) and (38a) are fixed to each other so as to be rotatable.

In addition, the driven fixed roller 34a which is in contact with the feeding roller 33a is provided so that one side of the bracket portion 30 and the plurality of driven roller covers 36a flow up and down integrally, and the driven roller cover ( 36a) is rotatably connected to each of the central axes of the plurality of driven fixed rollers 34a and the bolt member 35. In addition, fixing grooves 37 and 37a to which the handles 38 and 38a are fitted are formed at upper ends of the plurality of driven roller covers 36a, respectively.

On the other hand, as described above, the outer surface of the bracket portion (30) containing a plurality of roller members 31, 33, 33a, 34, 34a and roller cover members 36, 36a On both sides, a plurality of connector members 39 and 39a are respectively mounted to smoothly pull in and out the welding line 1 fed from the welding line reels 23 and 23a. A plurality of spring guides 39c are provided between one side of the connector 39 through which the double wire is drawn and the plurality of welding wire reels 23, 23a.

Reference numeral 39b is an intermediate guide member.

Hereinafter, the operation and effects of the single wire, double wire welding wire supply device according to the present invention will be described in detail.

That is, the welding wires 1 drawn from the plurality of welding reels 23 and 23a wound around the predetermined amount of the welding wires 1 in order to perform arc carbonate welding on the two base materials are provided with a plurality of spring guides 39c. After being pushed into the inner hole of each, it is drawn into the inside of the bracket portion 30 through the connector 39 provided on one outer surface of the bracket portion 30.

The plurality of welding wires 1 drawn into the bracket part 30 are inserted between the feeding roller members 33 and 33a and the driven roller members 34 and 34a. The two handles 38 and 38a are lifted upward, and the one-side driven variable roller 34 and the feeding roller 33 constituting the driven roller members 34 and 34a are spaced apart. After aligning the welding line 1 with a plurality of insertion grooves (not shown) formed on the outer circumferential surface of the feeding roller 33, the welding line 1 is inserted into the intermediate guide member 39b, and the welding line 1 is inserted into the plurality of driven parts. Pushed between the fixed roller 34a and the feeding roller 33a, and drawn out to another side through another connector 39a formed on the outer surface of the bracket portion 30, and connected to one side of the torch adapter (not shown). It is.

Subsequently, the feeding rollers 33, 33a and the driven roller member 34 are lowered by lowering the plurality of handles 38, 38a, which are upwardly raised, for continuous feeding of the welding line 1. By engaging all the welding line 1 between the 34a, and permitting the drive of the print motor 32 by the operation of the switch 24 formed in the control box 22 provided on the sour surface of the body 20, At the same time as the driving roller 31 connected to the print motor 32 is driven to rotate, at the same time, the plurality of feeding rollers 33 and 33a connected to the driving roller 31 are driven to rotate, and at the same time the feeding roller ( 33) The driven roller members 34 and 34a, which are engaged with the outer circumferential surfaces of the 33 and 33a, are also driven to rotate in a constant direction and at a constant speed, so that the feeding rollers 33, 33a and the driven roller member 34 are rotated. The welding wire 1 of the double wire sandwiched between the and 34a is connected to the outside through the connector member 39a formed on the outer surface of the bracket portion 30. By being drawn out to, siding feeder roller 33, it will be fed continuously to the torch (9) for rotation of the (33a).

On the other hand, when supply of the welding line 1 of the disconnection is required due to the change in the carbon dioxide arc working conditions, a plurality of roller covers connected to each of the central axis of the driven variable roller 34 and the bolt member 35 are respectively rotatable. Only one of the plurality of handles 38 and 38a provided at 36 raises one of the handles 38 upward, and the one-side driven variable roller 34 connected to the handle 38 on the raised side and The space between the feeding rollers 33 is spaced apart.

Then, the gap between the driven variable roller 34 and the feeding roller 33 on the side on which the handle 38a is not lifted is not spaced apart so that the one fitted into the insertion groove of the feeding roller 33 of this portion. Only the welding line 1 is advanced between the one-side driven variable roller 34 and the feeding roller 33 and drawn out of the bracket portion 30 to be fed to the torch 9.

On the other hand, after the disconnection supply operation is completed as described above, if the welding line 1 of the double wire is to be supplied again, the plurality of driven variable rollers 34 and the feeding rollers are lowered by lowering the raised handle 38 again. The welding line 1 of a double wire is advanced so that all the welding lines 1 of a double wire may be fixed between (33).

In this process, the plurality of welding wire reels 23 and 23a wound around the predetermined amount of welding seams 1 have a predetermined height, preferably a height difference of about 10 mm, and thus the welding wire reels 23 and 23a. It is possible to prevent the plurality of welding wires 1 drawn out from) from being loosened or entangled with each other, and to smoothly feed the torch adapter without refraction of the welding wire 1.

In addition, the spring guide 39c which is connected to the connector 39 formed on one outer surface of the bracket part 30 and feeds the welding wire 1 to the inside of the bracket part 30 has a continuous supply of the welding wire 1. In the feeding process, friction heat generated in the inner hole of the spring guide 39c can be reduced, and sparks caused by friction of the plurality of welding wires 1 can be prevented in advance.

Accordingly, according to the present invention, according to another single and double-wire welding line supply device, when performing carbon arc arc welding of the base material, the variable speed roller and the driven roller cover are operated by the handle according to the needs of the working condition, and the operator arbitrarily welds the welding line. By intermittently feeding the wire from single wire to double wire and double wire to single wire, it is possible to smoothly supply the welded wire when working thick steel plates or large amount of welded parts, and has good bead appearance and spreadability. Is faster, and the fusion rate is increased, the working time is shortened and the practical effect occurs that the productivity is remarkably improved.

Claims (3)

A control box 22 is installed on one side of the upper side, and a body 20 having a plurality of welding line reels 23 and 23a on the other side; and mounted on an inner surface of the body 20, and a print motor ( A driven roller member (34) having a feeding roller (33) and (33a) engaged with the driving roller (31) which is connected to and rotated (32), and disposed opposite to the feeding roller (33) and (33a); And a bracket portion 30 having a 34a; a carbon dioxide gas of the base material 5 sandwiching the welding wire 1 between the feeding rollers 33, 33a and the driven roller members 34, 34a. In the welding line supply device for supplying to the torch 9 for arc welding, a plurality of driven roller cover members 36 on which one side of each of the driven roller members 34 are mounted are hinged through the hinge 35a. Is rotatably connected to the portion 30, a plurality of handles (38), (38a) on the upper side of the plurality of driven roller cover member 36 The fixing grooves 37 and 37a to which the handles 38 and 38a are fitted are respectively connected to the plurality of driven roller cover members 36a on which the plurality of driven roller members 34a are mounted. When the handles 38 and 38a are all inserted into the fixing grooves 37 and 37a by forming the plurality of handles 38 and 38a, the feeding rollers 33 and ( A double wire welding line 1 is supplied between 33a and the feeding roller members 34 and 34a, and any one of the plurality of handles 38 and 38a is separated from the fixing grooves 37 and 37a. The welding line of the disconnection between the feeding rollers 33, 33a and the driven roller members 34, 34a of the handles 38, 38a and the fixing grooves 37, 37a. Single, double and double welding line supply device characterized in that configured to be supplied. According to claim 1, wherein the plurality of welding wire reels (23, 23a) has a height difference from each other, it characterized in that each of the single side, double track device supply device characterized in that installed on the upper surface of one side of the body (20). The method of claim 1, wherein the welding wire (1) is penetrated through the inner hole of the spring guide (39c) through the connector member 39 formed on one outer surface of the bracket portion 30 into the inside of the bracket portion 30 Short-circuit, dual-combination welding line supply device, characterized in that the supply is supplied to the torch (9) is drawn to the outside through another connector member (39a).