JPH0638044Y2 - Spinning cans - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spinning can for use in a spinning process and a spinning can containing a sliver formed by the spinning machine.

[0002]

2. Description of the Related Art Conventionally, this kind of spinning can has a cylindrical main body formed by flatly winding a fiber several times and a bottom plate provided on one side in the length direction of the main body to form a bottomed cylinder. In addition, a disk body supporting the sliver via a compression spring is installed in the bottom part thereof, and the sliver formed by a carding machine or a drawing machine is stored on the disk body while rotating the can. It is configured to be pulled out.

[0003]

However, when the cylindrical main body is formed of fibers as described above, the cost becomes high, and the deformation of the cylindrical main body occurs due to drying at the time of manufacture or use thereof. There is a problem that there is no roundness, and therefore a smooth movement can be performed when the disc body provided in the cylindrical body is moved up and down via the compression spring due to the weight change of the sliver placed on the disc body. There is a problem that there is no problem, and when the sliver is accommodated or pulled out while rotating the cylindrical main body, there is a problem that the rotation of the cylindrical main body is shaken.

It is an object of the present invention to form a cylindrical body with a paper tube at a low cost, to obtain the roundness of the cylindrical body, and to make a thin synthetic resin inside the cylindrical body. By inserting the pipe, the sliver does not get caught on the inner surface of the cylindrical body, the movement of the disc body is smooth, and when the sliver is housed or pulled out while rotating, the cylindrical body does not shake. Another object of the present invention is to provide a spinning can that can be prevented. Another object of the present invention is to easily insert the synthetic resin pipe into the cylindrical main body, and to dispose the synthetic resin pipe inside the cylindrical main body. To be closely attached to.

[0005]

In order to achieve the above object, the present invention provides a spinning can having a opening on one side in the length direction and a bottom plate 4 on the other side. It comprises a cylindrical main body 1 formed of a wound paper tube, and a thin synthetic resin pipe 2 to be inserted inside the cylindrical main body 1 and having a smooth inner peripheral surface. It is integrally connected to the cylindrical body 1.

As a means for charging the synthetic resin pipe 2 into the cylindrical main body 1, the synthetic resin pipe 2 is made of a thermal expansion material and is brought into close contact with the inside of the cylindrical main body 1 by thermal expansion by heating. Is preferred.

[0007]

By forming the cylindrical main body 1 with the above paper tube, the circularity of the cylindrical main body 1 can be obtained, and the inside of the cylindrical main body 1 is thin and has an inner circumference. Since the synthetic resin pipe 2 having a smooth surface is inserted, the sliver does not catch on the joint portion of the cylindrical main body 1 made of a paper tube, and the inside of the cylindrical main body 1 is prevented. It is possible to smoothly move the disc body to be installed, and moreover, it is possible to prevent the cylindrical body 1 from swinging when the sliver is accommodated in or pulled out while rotating the cylindrical body 1. is there.

Further, by heating the synthetic resin pipe 2 in a state where the synthetic resin pipe 2 is inserted inside the cylindrical main body 1, the pipe 2 has a cylindrical shape by utilizing thermal expansion by heating. The pipe 2 is brought into close contact with the inside of the main body 1, so that the pipe 2 can be easily inserted into the cylindrical main body 1, and the synthetic resin pipe 2 is attached to the cylindrical main body 1.
Can be closely attached to the inside of.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A spinning can according to the present invention is shown in FIGS.
As shown in FIG. 2, a cylindrical main body 1 composed of a paper tube in which a strip-shaped paper is wound in a spiral shape, and a thin walled inner wall of the cylindrical main body 1 with a smooth inner peripheral surface are formed. A pipe 2 made of resin, the pipe 2 and the cylindrical main body 1 are closely inserted into the inner side of the cylindrical main body 1, and the open ends of the pipe 2 and the cylindrical main body 1 on one side in the length direction are ring-shaped. The bottoms of the pipe 2 and the cylindrical main body 1 on the other side in the length direction are integrally fastened and fastened by a metal bottom plate 4 by a fastening fitting 4.

The cylindrical body 1 is mainly 0.5 mm.
A spirally wound thick strip of cardboard is wound around 8 plies to form a paper tube with a thickness of 4 mm, and 1 ply of waterproof paper 5 is wound around the outer circumference of the paper tube. .

As the synthetic resin pipe 2,
A vinyl resin pipe having a diameter smaller than the inner diameter of the cylindrical body 1 and mixed with a thin thermal expansion material having a thickness of, for example, 2 mm is used, and the pipe 2 is inserted into the cylindrical body 1 and then the pipe is inserted. By heating 2 with hot air, the pipe 2 is brought into close contact with the inside of the cylindrical main body 1 by thermal expansion due to heating.

As a means for charging the synthetic resin pipe 2 into the cylindrical body 1, a vinyl resin pipe mixed with the thermal expansion material as described above is used, and the cylindrical body is thermally expanded by heating after insertion. In addition to closely contacting the inside of 1, the other charging means may be used. For example, a pipe made of a synthetic resin such as vinyl resin containing no thermal expansion material is used, and the pipe is inserted into the cylindrical main body 1. , Then heat the pipe,
A jig (not shown) may be inserted into the pipe softened by the heating to expand the diameter of the pipe to bring the pipe into close contact with the inside of the cylindrical main body 1.

The cylindrical body 1 having the pipe 2 inserted therein is provided with a disc body 7 for supporting the sliver S via a compression spring 6, and the disc body 7 is placed on the upper surface thereof. The compression spring 6 is expanded and contracted by the change in the weight of the sliver S to move up and down.

Further, in FIG. 1, reference numeral 8 denotes a metal ring cover for reinforcing and protecting the lower part of the cylindrical main body 1, and the bottom plate 4 serves to open the cylindrical main body 1 and the pipe 2 on the bottom side. After the parts are wound and coupled, and before the ring-shaped coupling fitting 4 is tightened, the ring cover 8 is inserted from the upper part of the cylindrical main body 1 and is attached to the lower peripheral surface on the bottom plate 4. There is.

In FIG. 1, reference numeral 41 is an air vent hole provided in the bottom plate 4, and 71 is an air vent hole provided in the disc body 7.

The spinning can according to the present invention constructed as described above is supported by a can supporting device (not shown) installed in a carding machine or a drawing machine used in the spinning process, and the can is rotated by the supporting device. While allowing the sliver S formed by a carding machine or a drawing machine to be housed in a spiral shape on the disk body 7,
The accommodated sliver S is pulled out from the can and used.

In this case, since the cylindrical main body 1 is formed of a paper tube in which a band-shaped paper is spirally wound, the roundness can be obtained at a low cost and the cylindrical main body 1 has a circular shape. Since the synthetic resin pipe 2 having a thin wall and a smooth inner peripheral surface is inserted inside, when the sliver S is accommodated in or drawn out from the can by the pipe 2. It is possible to prevent the sliver from being caught at the joint portion of the cylindrical main body 1 made of a paper tube, and to move the disc body 7 smoothly. When the sliver is housed or pulled out while rotating the can, the cylindrical main body 1 does not shake.

Further, a pipe made of a thermal expansion material is used as the synthetic resin pipe 2, and the synthetic resin pipe 2 is heated while the pipe 2 is inserted inside the cylindrical main body 1. Since the pipe 2 is brought into close contact with the inside of the cylindrical main body 1 by utilizing the thermal expansion due to heating, the loading process of the pipe 2 into the cylindrical main body 1 can be facilitated, and the synthetic resin pipe 2 can be installed. The cylindrical body 1
It can be closely attached to the inside of.

[0019]

As described above, according to the present invention, in the spinning can having the opening on one side in the length direction and the bottom plate 4 on the other side, a cylinder made of a paper tube in which a band-shaped paper is spirally wound. It is composed of a cylindrical main body 1 and a synthetic resin pipe 2 which is inserted into the cylindrical main body 1 and has a thin inner peripheral surface. The pipe 2 is integrally formed with the cylindrical main body 1. Since they are joined together, the circularity of the cylindrical body 1 can be obtained, and the inside of the cylindrical body 1 is thin, and the synthetic resin pipe 2 has a smooth inner peripheral surface. Since the sliver is inserted, the sliver does not get caught in the joint portion of the cylindrical main body 1 made of a paper tube, and the disc body can be moved smoothly. The sliver is housed or pulled out while rotating the cylindrical body 1. It can prevent or cause shake the cylindrical body 1 in case.

Further, a synthetic resin pipe 2 made of a thermal expansion material is used, and the pipe 2 is brought into close contact with the inside of the cylindrical main body 1 by thermal expansion by heating, whereby the pipe 2 is connected to the cylindrical main body 1. It is possible to easily perform the charging process to the inner side and to bring the pipe 2 into close contact with the inner side of the cylindrical main body 1.

[Brief description of drawings]

FIG. 1 is a partially omitted enlarged vertical section showing an embodiment of a spinning can of the present invention.

FIG. 2 is a front view of the same.

[Explanation of symbols]

 1 Cylindrical body 2 Synthetic resin pipe 4 Bottom plate

Claims (2)

[Scope of utility model registration request] 1. In a spinning can having an opening on one side in the length direction and a bottom plate 4 on the other side, a cylindrical main body 1 comprising a paper tube spirally wound with a band-shaped paper, and this cylinder. It is composed of a thin-walled synthetic resin pipe 2 which is inserted into the inside of the cylindrical main body 1 and has a smooth inner peripheral surface, and the pipe 2 is integrally connected to the cylindrical main body 1. A spinning can. 2. The spinning can according to claim 1, wherein the synthetic resin pipe 2 is made of a thermal expansion material and is brought into close contact with the inside of the cylindrical main body 1 by thermal expansion by heating.