JPH11192552A - Welding wire loaded receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To smoothly supply a welding wire to a welding part free from being intertwined and tangled or generating a bending habit in the welding wire even in the case that the rigidity of the wire is large or the like when the welding wire is taken out of a pail pack at a high speed. SOLUTION: In a loaded receiver of a welding wire in which the welding wire is twisted piled and stored in a loop shape, a flat disk-like pressing plate 3 provided with a take-out hole 6 at the center is arranged above the loop of the welding wire 5. The ratio W/T of the weight W (g) of the pressing plate 3 to the breaking load T (kgf) of the welding wire 5 is 4-32. The inner diameter H (mm) of the take-out hole of the pressing plate 3 is >=0.55T+10 (mm) or preferaly <=180 mm in relation to the breaking load T of the welding wire 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a welding wire charge in which a welding wire such as a twisted solid wire or a flux-cored wire is loaded and stored in a loop shape in a pail container.

[0002]

2. Description of the Related Art A pail container is generally used as a welding wire storage container having a large capacity of 200 to 350 kg.
The stored welding wire is twisted within the elastic limit, for example, 360 ° torsion per wire loop and accommodated in a pail container. This welding wire is
Since there is an internal force to untwist the wire in the pail container, and when the wire is freed, it tends to bounce in the axial direction of the pail container. For this reason, conventionally, as disclosed in Japanese Patent Publication No. 59-8474, a method has been proposed in which an annular pressing plate is placed on a wire loop in a pail container and the wire is pressed from above. .

FIG. 4 is a cross-sectional view showing a state in which a welding wire loaded and stored in a pail container described in Japanese Patent Publication No. 59-8474 is twisted into a pail container 1. They are stacked and stored in a loop.
The welding wire 5 forms a columnar cavity 4 formed by the loop body 2. An annular holding plate 8 is mounted on the upper part of the loop body 2 to prevent the welding wire from jumping up.

[0004] As shown in FIG. 4, the take-out position of the welding wire 5 moves from the upper end of the loop body 2 along the inner circumferential end 9 of the annular holding plate 8, and the welding wire 5 moves upward. Taken out. FIG. 5 is a plan view of a part of the pail container of FIG. 4, and 13 is an end of the loop body. Since the take-out position of the welding wire 5 is rotating along the inner circumferential end 9 of the annular holding plate 8, the welding wire 5 is always in substantially parallel contact with the next loop 10, and The holding plate 8 moves while being shifted toward the inner circumferential end 9 of the holding plate 8 and is taken out. Therefore, when the welding wire 5 is taken out at a high speed, when the rigidity of the wire is large, or when the annular holding plate 8 is light, the annular holding plate 8 is momentarily slightly lifted, and the next loop 10 or Further, the wire of the lower loop 11 may be pulled out into the cylindrical cavity 4 and may be entangled or entangled by bouncing in the cylindrical cavity 4 in an attempt to release the twist.

[0005]

SUMMARY OF THE INVENTION The present invention is intended to prevent the welding wire from being entangled or entangled even when the welding wire is taken out of the pail container at a high speed, or when the wire has high rigidity. It is an object of the present invention to provide a charge of a welding wire, which can be smoothly fed to a weld without causing a bending habit.

[0006]

According to the present invention, there is provided a welding wire charging apparatus in which a welding wire is twisted so as to form a columnar cavity in the center of a pail container, and the welding wire is stacked and stored in a loop. In the loading of the welding wire, a flat disk-shaped holding plate having a take-out hole at the center is arranged above the loop of the welding wire, and the weight W of the holding plate is set.
(G) and the breaking load T (kgf) of the welding wire, W /
T is 4 to 32, and the inner diameter H (m
m) is 0.5 in relation to the breaking load T of the welding wire.
5T + 10 (mm) or more. Also, the inner diameter H of the take-out hole of the holding plate is 180 m.
m or less.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a charge of a welding wire according to the present invention. FIG. 1 is a cross-sectional view showing a state in which a wire stored in a pail container is taken out. A twisted wire is stacked and stored in a loop shape inside the pail container 1. A flat disk-shaped holding plate 3 is placed on the upper end of the loop body 2 to prevent the wire from jumping up. The flat disk-shaped holding plate 3 of the present invention has a wire takeout hole 6 at the center of the holding plate. The string member 12 is for preventing the welding wire 5 from jumping out of the gap between the wall in the pail container 1 and the flat disk-shaped pressing plate 3. The same effect can be obtained by providing an elastic member in contact with the inner wall of the pail container 1 on the flat disk-shaped pressing plate 3 instead of the string member.

FIG. 2 is a plan view of a part of FIG.
FIG. 2 is a partially enlarged view of FIG. Since the wire take-out hole 6 is provided at the center of the flat disk-shaped holding plate 3, the loop immediately before being taken out expands until it comes into contact with the inner wall of the pail container due to the characteristics of the torsion welding wire. The wire is pulled out from the state in which it comes into contact with the inner wall of the pail container toward the wire take-out hole 6, and the next loop 1
0 and the lower layer 11 are always crossed.
Therefore, the loop just before being pulled out is not in parallel with the next loop 10 and the lower loop 11, and a plurality of loops are not drawn out to the columnar cavity 4.

As shown in FIG. 3, the welding wire 5 to be taken out is provided directly above the wire taking-out hole 6 because a taking-out device or take-out guide member (not shown) is provided above the wire taking-out hole 6. It is. Therefore, a force acts in the direction of arrow B on the welding wire 5 with the corner 7 of the wire take-out hole at the center of the flat disk-shaped holding plate 3 as the fulcrum due to the drawing tension, and the welding wire 5 contacts the inner wall of the pail container. And the corner 7 of the wire take-out hole, the cylindrical cavity 4 is bowed toward the bottom of the pail container 1.
This arcuate welding wire 5 is taken out while holding down the next loop 10 and the lower loop 11 when a force acts in the direction C, so that it is taken out at a high speed, or the flat disk-shaped holding plate 3 is slightly removed. Even when lifted, the lower loop is not drawn out to the cylindrical cavity 4. Therefore, the welding wire 5 taken out below the flat disk-shaped holding plate 3 is not entangled or entangled.

The ratio W / T between the weight W (g) of the flat disk-shaped holding plate 3 and the breaking load T (kgf) of the welding wire 5 needs to be 4 to 32. Weight W (g) of flat disk-shaped holding plate 3 and breaking load T (kgf) of welding wire 5
When the ratio W / T to the plate is less than 4, the rigidity increases with the breaking load of the welding wire 5 with respect to the weight of the flat disk-shaped pressing plate 3. The force in the direction of arrow A shown in FIG.
Is lifted up, the welding wire 5 in the upper layer of the loop body 2 jumps up, and entanglement and entanglement may occur. Conversely, if W / T exceeds 32, the breaking load (rigidity) of the wire is low or the flat disk-shaped holding plate 3 is too heavy, so the loop just before being taken out cannot spread to the inner wall of the pail container, and the lower layer While moving in the direction of the take-out hole while taking parallel contact with the loop, the take-out is performed, so that the lower-layer loop may be pulled out into the columnar cavity 4 and entanglement may occur. Further, a bending habit is given to the welding wire 5 at the corner 7 of the wire outlet hole, and the bead meanders at the time of welding.

The inner diameter H (mm) of the take-out hole of the flat disk-shaped holding plate needs to be 0.55 T + 10 (mm) or more in relation to the breaking load T of the welding wire. When the inner diameter H of the removal hole of the flat disk-shaped holding plate 3 is less than 0.55 T (mm) in relation to the welding wire breaking load T, the flat disk-shaped holding plate against the breaking load (rigidity) of the wire. Since the take-out hole diameter H of 3 is small, a bending habit is given to the welding wire 5 at the corner 7 of the wire take-out hole, and the bead may meander at the time of welding. On the other hand, when the inner diameter H of the holding hole is more than 180 mm, the force of the welding wire 5 taken out with the fulcrum at the corner 7 of the wire taking out hole becomes small, and the next loop 10 and the lower loop 11 may be held down. Can not. Further, the loop immediately before being taken out may come into contact with the lower layer loop 11 in parallel, and the lower layer 11 may be pulled out into the columnar cavity 4 and may be entangled or entangled.

[0012]

EXAMPLE In a bail container having an inner diameter of 500 mm and 650 mm, diameters 1.2 mm and 1.6 having different breaking loads were respectively placed.
mm solid wire and flux cored wire,
The layers were laminated in a loop while twisting 360 ° per turn, and mounted on the loop body while changing the weight of the flat disk-shaped holding plate and the diameter of the wire outlet hole in various ways. These are shown in Table 1. The breaking load of the welding wire is shown as an average value of five measurements.

[0013]

[Table 1]

In Table 1, Test No. 1-4 are examples of the present invention,
Test No. 5 to 8 are comparative examples. For each of the test examples, the number of entanglements and the state of the wire after the removal were examined, when the welding wire was taken out. The test method was to use a welding wire of 15 m / h
Removed continuously at a rate of minutes. The results are also summarized in Table 1.

As is clear from Table 1, No. 1 which is an example of the present invention. Nos. 1 to 4 each have a flat plate-shaped holding plate with a wire take-out hole at the center, a ratio W / T of the weight W of the holding plate to the breaking load T of the welding wire, and the inside diameter H of the holding plate. Is 0.55T + 1 in relation to the welding wire
Since it is appropriate to be not less than 0 (mm) and not more than 180 mm, the loop just before being taken out expands until it comes into contact with the inner wall of the pail container, and then crosses the next loop and the lower loop toward the wire takeout hole. In addition, the welding wire to be taken out has an arc shape in the direction of the bottom of the pail container having a cylindrical cavity with the corner of the wire taking-out hole as a fulcrum, and the welding wire being taken out is taken out while holding down the next loop and the lower loop. The lower loop as well as the next loop is not drawn into the cylindrical cavity. Therefore, no entanglement or entanglement occurred, and the welding wire was not bent at the corner of the wire outlet hole, which was a very satisfactory result.

Test No. in the comparative examples. No. 5 has a high rigidity of the welding wire with respect to the weight of the holding plate, and the weight W of the holding plate.
Since the ratio W / T of the welding wire and the breaking load T of the welding wire is small, the presser plate was lifted when the wire was taken out, and the welding wire in the upper layer of the loop body jumped up, and entanglement occurred twice.

Test No. In No. 6, the rigidity of the welding wire is low relative to the weight of the holding plate, and the ratio W / T of the weight W of the holding plate and the breaking load T of the welding wire is large. Since it could not spread to the inner wall of the container and moved in the direction of the takeout hole while being in parallel with the lower loop and taken out, the lower loop was pulled out into the cylindrical cavity and viewed once, resulting in entanglement. In addition, a bending habit also occurred in the welding wire at the corner of the wire outlet hole.

Test No. No. 7 is 0.55 T (m) in which the take-out hole diameter H of the holding plate is related to the welding wire breaking load T.
m), and the take-out hole diameter H of the flat disk-shaped holding plate is smaller than the breaking load (rigidity) of the wire. Therefore, a bending habit was given to the welding wire at the corner of the wire take-out hole.

Test No. 8 has a large take-out hole inner diameter H of the holding plate, so that the welding wire taken out has a small force with the corner of the wire take-out hole as a fulcrum, and cannot hold the next loop and the lower loop. The loop immediately before being taken out came into contact in parallel with the lower layer loop, and the lower layer loop was pulled out into the cylindrical cavity, and entanglement occurred twice.

[0020]

As described above in detail, according to the loading of the welding wire of the present invention, even when the welding wire is taken out from the pail container at a high speed, or when the rigidity of the wire is large, etc. There is no entanglement or entanglement of the wire, and it is possible to smoothly feed the welding wire to the welded portion without causing a bending habit.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a state in which a welding wire stored in a pail container according to the present invention is taken out.

FIG. 2 is a plan view of a part of FIG. 1;

FIG. 3 is a partially enlarged view of FIG. 1;

FIG. 4 is a sectional view showing a state in which a welding wire stored in a conventional pail container is taken out.

FIG. 5 is a plan view of a part of FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pail container 2 Loop body 3 Flat disk-shaped holding plate 4 Cylindrical cavity 5 Welding wire 6 Wire outlet hole 7 Angle of wire outlet hole 8 Annular holding plate 9 Inner circumferential end of annular holding plate 10 Next Loop 11 Lower layer loop 12 String member 13 Coil body end

Claims (2)

[Claims] 1. A welding wire charge in which a welding wire is twisted and stacked and stored in a loop shape as if a cylindrical cavity is formed in the center of a pail container. A flat disk-shaped holding plate provided with a take-out hole in the portion is arranged, and the ratio W / T of the weight W (g) of the holding plate to the breaking load T (kgf) of the welding wire is 4 to 4.
32, and the inner diameter H (mm) of the removal hole of the holding plate is 0.55T + 1 in relation to the breaking load T of the welding wire.
0 (mm) or more, a charge of welding wire characterized by the above-mentioned. 2. An inner diameter H of the take-out hole of the holding plate is 180.
2. The charge of the welding wire according to claim 1, wherein the diameter is equal to or less than mm.