JPH0819864A - Device for feeding welding wire - Google Patents

Abstract

PURPOSE:To joint many wires by installing a flexible conduit to be connected to a wire feeding device and an adapter to be connected to a wire taking-out part taking out the wire from the upper face of a wire pack, arranging a wire feeding roller at the same time, and providing a vertical groove on the front of a holding tool. CONSTITUTION:An adapter 4 passing a top end of a wire 2 in a wire pack 1 is held with a holding tool 9 positioned under a welding wire feeding device 5. The top end of the wire 1 is passed to a wire feeding roller 15, and a flexible conduit 10 to be connected to a wire feeding machine 29 is held with a holding tool 11 on the upper position of the welding wire feeding device 5. In this state, the roller 15 is rotated by actuating a roller driving motor 12 installed on the welding wire feeding device 5. In this time, the wire between the roller 15 and the flexible conduit is separated from the wire feeding device 5 through a wire taking-out vertical groove 28 of the front side of the holding tool 11 and connected to the other wire pack.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a welding wire feeding device for feeding a welding wire contained in a wire pack to a welding machine body by a wire feeder. .

[0002]

2. Description of the Related Art Conventionally, a welding wire accommodated in a wire pack is manually guided to a wire feeder and connected thereto, and then the wire feeder is driven to drive the wire. It was supposed to be fed from the inside of the pack to the welding machine body through the wire feeder.

[0003]

By the way, the wire pack and the wire feeder are, for example, 10 meters and 20 meters.
If you're far apart, like a tor,
There is a problem that manual work for connecting the wire in the pack to the wire feeder is very difficult and requires an excessive amount of labor.

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to attach a wire feeding device to a wire pack in a removable manner and A flexible conduit can be connected between the pack and the wire-feeder so that the wire-pack can be connected to the wire-feeder even if the distance between them is large.
It is an object of the present invention to provide a welding wire delivery device in which the wire from the pack can be easily connected to the wire feeder and one wire delivery device can be used frequently. .

[0005]

In order to achieve the above object, a welding wire delivery device according to the present invention comprises a flexible conduit and a wire connected to a wire feeder.
A holder for detachably holding the wire on the upper surface of the pack and an adapter connected to the take-out pipe is provided at the upper and lower positions of the wire feeding device, and the wire feeding roller is arranged between the both holders. However, a vertical groove for taking out the wire is provided on the front side of the holder of the flexible conduit.

[0006]

In the welding wire feeding device configured as described above, when connecting the wire in the wire pack to the wire feeder, the tip of the wire in the wire pack is Hold the passed adapter in the lower holder of the welding wire delivery device, pass the tip of the wire through the wire feed roller, and weld the flexible conduit connected to the wire feeder. The holding wire is held by the upper holder of the feeding device. In this state, the roller driving motor installed in the welding wire feeding device is operated to rotate the roller.

By the rotation of the roller, the wire is forcibly sent out from the take-out portion on the upper surface of the wire pack through the adapter and the roller. Then, the tip of the wire enters the flexible conduit and is sequentially fed to reach the wire feeder. In this state, the wire in the wire pack has been connected to the wire feeder. Therefore, while removing the adapter from the lower holder of the welding wire feeding device, the welding wire The flexible conduit is removed from the upper holder of the delivery device, and the wire between the roller and the flexible conduit is the wire on the front side of the holder of the flexible conduit.
It is separated from the welding wire delivery device via a take-off flute. In this state, the welding wire delivery device is independent of the wire, so if the welding wire delivery device is connected to another wire pack, one welding wire delivery device is delivered. The device can connect multiple wires in a wire pack to each wire-feeder. In addition, the flexible conduit is connected to the adapter so that the wire in the wire pack is
Will be sequentially fed to the welder body by the wire feeder.

[0008]

Embodiments of the present invention will be described with reference to FIGS. In the figure, reference numeral 1 is a wire pack in which a wire 2 is housed, and a wire take-out portion 3 is formed on the upper surface of the wire pack 1. Then, in the take-out portion 3, the wire in the wire pack 1
An adapter 4 having the tip of 2 passed through is connected.

Reference numeral 5 is a wire feeding device, and a panel 6 of the wire feeding device 5 is provided with a motor box 7
And an electric wiring box 8 attached thereto, and a holder 9 to which the adapter 4 is detachably held in the lower part.
Is provided, and a holder 11 that detachably holds one end of the flexible conduit 10 is provided on the upper side.

A motor 12 and a transmission 13 composed of a gear group for speed change are arranged in the motor box 7, and a feed roller 15 for the wire 2 is attached to an output shaft 14 of the motor 12. Installed. A roller 16 which cooperates with the feed roller 15 is attached to an idler arm 17,
The roller 16 is urged toward the feed roller 15 by a spring 19 provided on the handle 18.

Further, the holder 9 comprises a fixed holding plate 20 and a movable holding plate 21, and the movable holding plate 21 is attached to the handle 22 by rotating a handle 22 rotatably attached thereto. Formed screw 23 and fixing plate 24
It is adapted to move back and forth by the action of the screw 25 formed on the.

The holder 11 has a hole 26 in which one end of the flexible conduit 10 is accommodated, a set screw 27 for fixing one end of the accommodated flexible conduit 10 and a wire take-out vertical groove 28 formed on the front side. It has and.

Reference numeral 29 is a wire feeder, which has an output shaft 31 penetrating the center of the hollow motor 30 and a head 3 of a wire feeding roller 32 attached to one end thereof.
3 and a frame 34, and the output shaft 31
The wire has a through hole for wire feeding at the center in the axial direction. The other end of the flexible conduit 10 is connected to the wire feeder 29, and the wire-2 is fed to the wire feeder 29 via the flexible conduit 10. Furthermore, 35 is a welding machine body such as a torch body.

A welding wire having the above structure
In the wire feeding device 5
When connecting 2 to the wire-feeder 29, first, the handle 22 is rotated to retract the movable holding plate 21 of the holder 9 to widen the space between the movable holding plate 21 and the fixed holding plate 20, In the meantime, the adapter 4 passing through the tip of the wire 2 in the wire pack 1 is arranged. After that, the handle 2
2 is rotated in the opposite direction to move the movable holding plate 21 and the fixed holding plate 2
By narrowing the distance from 0, the adapter 4 is held by the lower holder 9 of the welding wire delivery device 5.

Further, one end of the flexible conduit 10 connected to the desired wire feeder 29 is connected to the hole 26 of the holder 11.
The flexible conduit 10 is inserted and housed therein, and one end of the flexible conduit 10 is fixed to the holder 11 by a set screw 27.

Then, by pulling the handle 18,
Since the idler arm 17 tilts about the fulcrum 36, the roller 16 separates from the feed roller 15 and creates a gap between the rollers 15 and 16. In this state, the tip of the wire 2 passed through the adapter 4 is pulled out and guided to one end of the flexible conduit 10 through the gap between the rollers 15 and 16. After that, by releasing the pulling force to the handle 18, the idler arm 17 is tilted in the opposite direction to the fulcrum 36 by the action of the spring 19, so that the roller 16 feeds. -Get close to La 15 and wire between both Rollers 15 and 16-2
It will be in the state of sandwiching.

In this state, the motor 12 is driven to rotate.
When the la 15 is rotated, the wire inside the wire pack 1-2
Are sequentially introduced into the flexible conduit 10 through the adapter 4, both rollers 15 and 16. When the tip of the wire-2 reaches the wire feeder 29, the motor 1
2 is stopped and the feeding of wire-2 by the roller 15 is stopped.

In this state, the wire-the wire in the pack 1-
Since 2 is connected to the wire feeder 29,
The handle 22 is rotated to move the movable holding plate 21 of the holder 9.
Is retracted to widen the gap with the fixed holding plate 20, and the adapter 4 between them is fed to the wire feeding device 5
After removing the fixing screw 27 and releasing the fixing of one end of the flexible conduit 10, the one end of the flexible conduit 10 is taken out from the holder 11, and the wire 2 is attached to the vertical groove 28 on the front side of the holder 11. Through the wire delivery device 5.

Then, one end of the flexible conduit 10 is connected to the adapter 4, and the motor 3 of the wire feeder 29 is connected.
When 0 is driven, the wire-2 in the wire pack 1 is sequentially fed to the welder main body 35 by the wire feeder 29.

Further, when one end of the adapter 4 and the flexible conduit 10 is detached from the wire delivery device 5, the wire delivery device 5 becomes independent of the wire 2, so that this wire delivery device 5 By connecting the device 5 to other wire packs, one welding wire delivery device can connect the wires in multiple wire packs to their respective wire feeders.

[0021]

EFFECTS OF THE INVENTION Since the present invention is constructed as described above, the wire from the wire pack is forcibly forced into the wire even if the distance between the wire pack and the wire feeder is large. Since it is connected to the wire feeder via a conduit, the connection is extremely easy and requires no special effort.

A holding tool for detachably holding the flexible conduit connected to the wire feeder and the adapter connected to the wire take-out portion on the upper surface of the wire pack is detachably attached to the upper and lower sides of the wire feeding device. At the same time, the wire feed roller is arranged between the both holders, and a vertical groove for taking out the wire is provided on the front side of the holder of the flexible conduit. The delivery device can be used to implement multiple wire packs and multiple wire-wire connections between the feeders.

[Brief description of drawings]

FIG. 1 is an overall front view of a welding wire delivery device according to the present invention connected to a wire pack and a wire feeder.

FIG. 2 is a side view of a main part.

[Explanation of Codes] 1 wire-pack 2 wire-3 wire take-out part 4 adapter 5 welding wire delivery device 9,11 holding tool 10 flexible conduit 15 wire feed roller 28 wire vertical for taking out groove

Claims (1)

[Claims] 1. A welding wire feeding device for feeding a welding wire contained in a wire pack to a welding machine main body by a wire feeder, wherein the welding wire is connected to the wire feeder. A flexible conduit and an adapter connected to the wire take-out portion on the upper surface of the wire-pack are detachably held at upper and lower positions of the wire feeding device, and between the both holders. On the wire
A welding wire delivery device characterized in that a feed roller is arranged, and a vertical groove for taking out the wire is provided on the front side of the holder of the flexible conduit.