JPH0417627A - Coil cooler - Google Patents

Abstract

PURPOSE:To uniformly pass a cooling gas between coiled wires and to uniformly cool the entire part of the coils without temp. gradients by disposing a closing plate at the top end of the coils and blowing the cooling gas from the bottom end at the time of cooling the high-temp. coiled wires. CONSTITUTION:A long-sized wire heated to a high temp. by a heat treatment is wound to a coil form 3 and is reduced in bulk. This coil is put into a cooling chamber 1 and is mounted on a coil receiving base 2. The closing plate 11 is lowered by means of a wire 12 onto the top end 3a'' of the cavity part 3a of the coil 3 to close the top end; thereafter, the cooling gas cooled by a cooler 5 is blown from a supply opening 9 of the receiving base 2 by a fan 7 through a duct 8 of a circulating means 6. The passage for the cooling gas is closed by the closing plate 11 and the gas is passed in an X direction in the coiled wire 3b. Since the gas passes uniformly in the inner peripheral part 3, central part 3d and outer peripheral part 3e of the coiled wire 3b, the entire part of the coiled wire is uniformly cooled without forming the temp. gradients and the long-sized metallic wire is cooled without entailing a change in the material quality.

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a wire rod wound into a coil shape heated for heat treatment (a wire rod wound into a coil shape is simply referred to as a coil in this specification). ) relates to a coil cooling device for cooling.

[Conventional technology]

In order to reduce the bulk of the long wire, it is heated and cooled while being wound into a coil.

A conventional cooling device that cools the coil as described above has a coil placed in a cooling chamber, and atmospheric gas is circulated inside the cooling chamber while being cooled by a cooler, thereby cooling the coil. That's what I do.

[Problem to be solved by the invention]

In this conventional coil cooling device, out of a large number of wire rods wound into a coil shape and made into a bundle, the wire rods around the bundle are always in contact with the cooled atmospheric gas, so they cool down rapidly. Because the passage of the cooled atmospheric gas is poor in the core area, the cooling of the wire material there is slow.For this reason, the cooling gradient of the wire material is different between the surrounding area of the bundle and the core area. As a result, there was a problem in that the structure of the cooled product was non-uniform in each location.Also, as mentioned above, the core wire was cooled slowly, so there was also the problem that the cooling process took a long time. Ta.

The present invention was made to solve the above-mentioned problem of the prior art (technical problem B), and in the case of cooling a coil, atmospheric gas is forced through each of the small gaps between each of a large number of wire rods. The object of the present invention is to provide a coil cooling device that can homogenize the product by uniformizing the cooling gradient of the wire at various locations in the coil and quickly performing cooling work. be.

[Means to solve problems]

In order to achieve the above object, the present invention takes the measures as described in the claims above, and its effects are as follows.

[Effect]

Cooled atmospheric gas is blown into the cavity of the coil placed at the location from one end thereof, and the other end of the cavity is closed by a closing plate.

For this reason, the atmospheric gas blown into the coil passes through each of the bundled wire rods from the cavity to the outside of the coil. For this reason, all of the large number of wires in the coil are evenly exposed to the cooled atmospheric gas, and each of the wires is cooled with a substantially uniform cooling gradient.

〔Example〕

The drawings showing the embodiments of the present application will be described below.

Reference numeral 1 denotes a hollow cooling chamber to which a well-known atmospheric gas supply device is connected so that the inside thereof is filled with an atmospheric gas compatible with the material of the heated coil. 2 is a roller exemplified as a receiving member for the coil, and a plurality of rollers are arranged in parallel in a direction perpendicular to the plane of the paper, and each roller is configured to be rotatable so that the coil 3 can be conveyed in the direction perpendicular to the plane of the paper. It has become. Reference numeral 4 indicates a location where the coil is located, which is a location determined in the cooling chamber 1 to cool the coil. This storage location 4 is a part of the roller 2 in the cooling chamber 1.
It is made up of the space above.

Next, 5 is a cooler for cooling the atmospheric gas in the cooling chamber 1. Reference numeral 6 indicates a circulation means for circulating the atmospheric gas in the cooling chamber 1, which is composed of a circulation fan 7 and a duct 8. Reference numeral 9 indicates an air outlet of the circulation means 6, which is located on one side of the storage location 4, for example, on the lower side. The air outlet 9 is constituted by the air outlet of the circulation fan 7. Further, the outlet 9 is provided with a deflection plate 10 for deflecting the atmospheric gas in the radial direction. The duct 8 communicates the suction port of the circulation fan 7 with the outlet of the cooler 5. Next, reference numeral 11 denotes a closing plate, which is provided on the other side of the installation location 4 so as to be movable from and near the air outlet 9.
For example, it is suspended by a regular body (for example, a wire) 12 and moved up and down by a lifting device 113.

Next, cooling of the coil 3 by the above cooling device will be explained. The coil 3 is conveyed by rollers 2 in a direction perpendicular to the plane of the paper in FIG. 1, and is stopped at a storage location 4.

In this case, one end 3a' of the cavity 3a in the coil 3
The conveyance is stopped at a position where the air outlet 9 faces the air outlet 9. Next, the closing plate 11 is lowered by the lifting device 13, and as shown in FIG. 7 is operated. Due to this operation, the atmospheric gas in the cooling chamber 1 is cooled by the cooler 5, passes through the duct 8, reaches the circulation fan 7, and is discharged from the air outlet 9 to the cavity 3.
It is blown towards a. The injected atmospheric gas flows from the cavity 3a, as shown by arrows X, X... in FIG. It is distributed in a loose state. That is, the above-mentioned cooled atmospheric gas is applied to the wire rod 3b of the inner circumferential side of the coil 3, the wire rod 3b of the bundle core 3d, and the wire rod 3b of the outer circumferential side of the coil 3 to the wire rod 3b of the inner circumferential side of the coil 3. Forced ventilation is forced through the space. By circulating the cooled atmospheric gas as described above, the wire rod 3b of the coil 3 is cooled with a substantially uniform cooling gradient in each of the wire rods of the respective portions 3c, 3d, and 3e. Furthermore, since the cooling gas flows well through the core portion 3d, the wire rod 3b in that portion is rapidly cooled at the same speed as the wire rods in the surrounding portions. Coil 3 is cooled by forced ventilation as described above.
When the wire rod 3b is cooled to a predetermined temperature, the circulation fan 7 is stopped and the closing plate 11 is raised by the lifting device 113, and the coil 3 that has finished cooling is carried by the rollers 2 to the next step.

The above-mentioned cooler 5 may be provided in the middle of the duct 8, or the positions of the cooler 5 and the circulation fan 7 may be exchanged with respect to the flow direction of the atmospheric gas.

〔Effect of the invention〕

As described above, in the present invention, by leaving the coil 3 at the location 4 in the cooling chamber l, the atmospheric gas is circulated while being cooled, and the coil 3 is cooled with the cooled atmospheric gas. Of course, in the case of cooling the coil 3, the cooled atmospheric gas is blown into the cavity 3a of the coil 3 left at the location 4 from one end thereof, and the cavity 3a of the coil 3 is cooled.
By closing the other end with the closing plate 11, the arrow
,

Firstly, the above-mentioned large number of m materials 3b, 3b...
The above-mentioned cooled atmospheric gas can be uniformly brought into contact with all of the wire rods 3b, 3.
It is useful because it can make the cooling gradient of b... uniform and provide a homogeneous product.Secondly, the core wire in the bundled wire can also be cooled quickly. Therefore, it is useful in terms of work efficiency because the cooling work described above can be carried out quickly in a short period of time.

[Brief explanation of drawings]

The drawings show an embodiment of the present application, and FIG. 1 is a schematic vertical cross-sectional view of a cooling device, and FIG. 2 is a vertical cross-sectional view showing the relationship between a coil, a closing plate, and an air outlet. 1... Cooling chamber, 3... Coil, 3a... Cavity part,
3b... Wire rod, 5... Cooler, 6. Circulation means, 9.
...Air outlet, 11...Closing plate. Figure 1 Figure 2

Claims (1)

[Claims] A coil cooling device equipped with a cooling chamber having a storage place inside for storing a coil of wire, a cooler for cooling atmospheric gas, and a circulation means for circulating the cooled atmospheric gas to the storage place. The atmospheric gas outlet of the circulation means is located on one side of the storage location, and a closing plate for closing the end of the coil placed in the storage location is located on the other side. A coil cooling device characterized in that it is provided so as to be able to move away from and near an air outlet.