JP3609900B2 - Thread Redder Device for Line Tank - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a line tank rethreader device. More specifically, in a continuous production line for steel sheets such as cold-rolled steel sheets, a line tank threader for passing steel sheets into a line tank such as a vertical tank of the line when the steel sheet breaks or the line is started up. About.
[0002]
[Prior art]
Conventionally, in a continuous production line for steel sheets such as cold-rolled steel sheets, when a steel sheet breaks or when a line is started up, the line tank is moved up and down, for example, as a device for passing the steel sheet under the sink roll provided in the line tank. When the steel plate is passed through the lower part of the sink roll, the line tank is lowered so that the steel plate is passed through the lower part of the sink roll after the sink roll is taken out of the line tank. Apparatus (Japanese Patent Laid-Open No. 7-118820), the sink roll is provided so as to move up and down, and when the steel plate is passed through the lower portion of the sink roll, the sink roll is lifted to remove the sink roll from the line tank Later, an apparatus in which a steel plate is passed through the lower part of the sink roll (Japanese Patent Laid-Open No. 7-118821) Etc. has been considered.
[0003]
However, each of the above devices has a drawback that a large-scale drive device for raising and lowering the sink roll or the line tank is necessary, and in order to raise and lower them and let the steel plate pass through the lower part of the sink roll, There is a disadvantage that it takes a long time.
[0004]
Also, as a method of passing the steel plate under the sink roll without moving the sink roll or line tank up and down, drain the liquid in the line tank, open the bottom window of the line tank, and pull the steel plate manually. The master rope for straddling the sink roll is passed through the line tank, the steel plate and the master rope are connected, the steel plate is straddled over the sink roll, the bottom window is closed, and the liquid is put into the line tank. A method of performing is known.
[0005]
However, the above method requires a complicated operation for draining and filling the liquid in the line tank, and this operation takes a long time of about 10 hours, and thus has a disadvantage of causing a reduction in production efficiency. .
[0006]
Therefore, in recent years, there has been a demand for the development of a re-threader device that can easily allow a steel plate to pass through the lower part of the sink roll without raising and lowering the sink roll and the line tank or draining and filling the line tank. ing.
[0007]
[Problems to be solved by the invention]
The present invention has been made in view of the above-described prior art. The sink roll and the line tank can be quickly and easily moved up and down without draining or filling the line tank. An object of the present invention is to provide a line tank re-threader device that can be passed through the lower part.
[0008]
[Means for Solving the Problems]
The present invention is a line tank re-threader device for passing a steel plate through a line tank, wherein a slit pipe provided with a slit for projecting a master rope fixing hook provided on a master rope pulling rope is provided. , The slit is disposed on the inner wall of the line tank so that the slit faces the inward direction of the line tank, and a master rope fixing hook protrudes into the slit pipe so that the master rope pulling rope enters the slit pipe. The present invention relates to a line tank re-threader device that is introduced and has a master rope connected to the master rope fixing hook.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
As described above, the line tank risredder apparatus of the present invention is a line tank risredder apparatus for passing a steel plate through the line tank, and projects the master rope fixing hook provided on the master rope pulling rope. A slit pipe provided with a slit is disposed on the inner wall of the line tank so that the slit faces inward of the line tank, and a parent rope fixing hook projects into the slit of the slit pipe. A master rope pulling rope is introduced into the slit pipe, and the master rope is connected to the master rope fixing hook.
[0010]
The line tank re-slider device of the present invention will be described below with reference to the drawings.
[0011]
FIG. 1 is a schematic perspective view of a line tank rethreader device according to the present invention.
[0012]
In FIG. 1, reference numeral 1 denotes a line tank, and a slit pipe 2 is disposed on the inner wall of the line tank 1.
[0013]
Examples of the line tank 1 include a vertical tank used in a continuous production line for cold-rolled steel sheets, but the present invention is not limited to such examples.
[0014]
The slit pipe 2 disposed on the inner wall of the line tank 1 is provided with a slit 5 for projecting the master rope fixing hook 4 provided on the master rope pulling rope 3, and the slit 5 is a line tank. 1 is disposed so as to face inward.
[0015]
Examples of the slit pipe 2 include a steel pipe made of stainless steel and general steel, a pipe made of vinyl chloride resin, and the like. However, the present invention is not limited to this example. Further, the inner diameter and the outer diameter of the slit pipe 2 are not particularly limited as long as the main rope pulling rope 3 can be inserted into the slit pipe 2 with a small sliding resistance. A typical example is a stainless steel slit pipe having an inner diameter of about 10 to 30 mm.
[0016]
The slit 5 of the slit pipe 2 is set so as to face the inward direction of the line tank 1 so that the master rope fixing hook 4 provided on the master rope pulling rope 3 faces the inward direction of the line tank 1. The
[0017]
In the line tank threader device shown in FIG. 1, the slit pipe 2 is disposed below the sink roll 6 in order to allow the steel plate to pass through the sink roll 6 in the lower part thereof.
[0018]
Next, the master rope pulling rope 3 is introduced into the slit pipe 2 such that the master rope fixing hook 4 provided on the master rope pulling rope 3 protrudes from the slit 5 of the slit pipe 2.
[0019]
The master rope pulling rope 3 can be used without particular limitation as long as it has mechanical strength such as tensile strength that can withstand the load when pulling the steel plate.
[0020]
Specific examples of the parent rope pulling rope 3 include a stainless steel wire, a vinylon rope, a nylon rope, a polyester rope, a polyethylene rope, and the like, but the present invention is not limited to such examples. In addition, when using the said stainless steel wire, in order to provide bending property and to prevent jumping out from the slit pipe 2, it is preferable to use what crimped the steel ball to this stainless steel wire.
[0021]
The thickness of the master rope pulling rope 3 is arbitrary as long as the master rope pulling rope 3 can be introduced into the slit pipe 2.
[0022]
The master rope fixing hook 4 can be fixed to the master rope pulling rope 3 by caulking both ends thereof to the master rope pulling rope 3.
[0023]
The parent rope fixing hook 4 only needs to have such a height that the rope attachment hole 7 protrudes from the slit pipe 2 when inserted into the slit pipe 2. The height of the master rope fixing hook 4 is preferably adjusted so as not to contact the sink roll 6.
[0024]
Next, as shown in FIG. 2 which is a schematic perspective view when the steel plate is passed through the re-threader device according to the present invention, the master rope pulling rope 3 is sequentially passed to the passing plate roll A8, the sink roll 6 and the passing plate roll B9. After being transported and the master rope fixing hook 4 being transported to the threading plate roll B9, the master rope 10 is removed from the master rope fixing hook 4, and the master rope 10 is passed through the roll plate A8, the sink roll 6 and It moves to the center part of the sheet passing roll B9.
[0025]
The master rope 10 is not particularly limited as long as it has mechanical strength such as tensile strength when the steel plate 11 is passed through the passing plate roll A8, the sink roll 6 and the passing plate roll B9 sequentially. be able to.
[0026]
Specific examples of the parent rope 10 include polyethylene ropes, vinylon ropes, nylon ropes, polyester ropes, and the like, but the present invention is not limited to such examples.
[0027]
The thickness of the master rope 10 is not particularly limited as long as it can withstand the mechanical strength when pulling the steel plate.
[0028]
The method for integrating the master rope 10 and the steel plate 11 is not particularly limited. For example, as shown in FIG. 2, the steel plate 11 is inserted into the slit of the plate 13 to which the chain 12 is attached, and bent. 11 and the chain 12 are integrated, a hook 14 is provided at the center of the chain 12, and the master rope 10 is tied to the hook 14.
[0029]
Thus, according to the line tank rethreader device of the present invention, the steel plate can be easily passed through the sink portion in the line tank.
[0030]
When the line tank re-threader device of the present invention is used, there is no need for a large-scale drive device for raising and lowering the sink roll or the line tank, and the complicated and long time required for draining and filling the liquid in the line tank. Therefore, when a steel plate is broken or a line is started up, the steel plate can be passed through the line tank of the line quickly, for example, in a short time of about 4 hours. .
[0031]
【The invention's effect】
According to the line tank threader device of the present invention, as described above, there is no need to raise and lower the sink roll and the line tank as in the prior art, and the complicated and long time required for draining and filling the liquid in the line tank. There is no need to work.
[0032]
Therefore, when the line tank threader of the present invention is used, in a continuous production line for steel sheets such as cold-rolled steel sheets, the steel sheets are simply and quickly passed into the line tank when the steel sheets break or when the line is started up. The effect that it can be made is produced.
[Brief description of the drawings]
FIG. 1 is a schematic perspective view of a line tank rethreader device according to the present invention.
FIG. 2 is a schematic perspective view when a steel plate is passed through the line tank re-threader device of the present invention.
[Explanation of symbols]
1 Line tank 2 Slit pipe 3 Master rope pull rope 4 Master rope fixing hook 5 Slit 10 Master rope 11 Steel plate

Claims (1)

A slitter device for a line tank for passing a steel plate through the line tank, wherein a slit pipe provided with a slit for projecting a master rope fixing hook provided on the master rope pulling rope is a slit pipe. It is disposed on the inner wall of the line tank so as to face the inward direction of the line tank, and the master rope pulling rope is introduced into the slit pipe by causing the hook of the master rope to protrude from the slit of the slit pipe. A line tank rethreader device in which a rope is connected to the parent rope fixing hook.

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