JPH076973Y2 - Disposal device for the starting end of thin plate winding - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] This invention is a starting point in which the finished state is not perfect when winding a long thin plate (a belt-shaped thin plate made of metal etc.) that has undergone a predetermined processing process. The device for discarding a part as scrap can be applied to a rolling process or a surface treatment process.

[Prior Art] When continuously processing a long thin plate, the front end and the rear end of the thin plate are inevitably disposed of as scrap. As for the leading and trailing edges, a stable processing condition cannot be realized because the thin plate is not passed through all the equipment required for transporting and winding the thin plate in addition to the processing equipment, so perfect processing cannot be expected. This is because there are many defects such as scratches and bends. Therefore, in the final stage of the processing, it is necessary to first separate the tip portion as scrap before obtaining the thin plate product. This point is almost the same regardless of the material of the thin plate (for example, whether it is a metal plate or not) and the processing process (whether it is a rolling process or a process such as cleaning or surface treatment).

A device for discarding the edge of a thin plate has already been disclosed in JP-A-60-3.
It is disclosed in Japanese Patent No. 9013. The device described in the publication is
The plate processing / conveying line is equipped with a cutting device and a discarding means that directs the conveying path to the scrap bucket. According to this device, the tip of the plate is cut by the cutting device and then scraped by the scraping means. Is thrown into.

In addition, in the rolling mills for aluminum sheets, there are cases in which the separated tip is almost manually discarded. That is, on the rolled reel for winding a thin plate, first, after cutting off the leading end of the thin plate, that is, the winding start end, it is wound into a core shape, and then the winding start end is fitted by an operator with an annular band on the outside. It is loosened, removed from the reel, hung by a hoist, etc., and transported to a scrap bucket.

[Problems to be Solved by the Invention] The end discarding device described in the above publication is a device that simply cuts the end of the plate and sends it to the scrap bucket, so when the end to be discarded is long (for example, the same). If the scrap length exceeds 500 mm described in the official gazette), it is necessary to activate the cutting device many times and make the end into a short piece in order to facilitate the handling as scrap.
Since such a process for discarding is performed while waiting for the start of the working process before the original working process such as rolling of the plate, if the plate is cut many times as described above. However, the original processing is delayed and the productivity is reduced.

If the tip (winding start) to be disposed is relatively long,
Rather, like the above example (the latter example of an aluminum plate factory, etc.), it is rational to wind the winding start end separated by one cutting into a core shape, fit an annular band and discard it.
If this is done manually as in the conventional case, for example, a worker who puts a band near the reel or a worker who operates a hoist is required, and time is wasted.

The object of this invention is to dispose of the winding start end wound in a core shape on the reel as described above (the latter) -that is, band fitting, withdrawal from the reel, and transfer / loading to a scrap bucket. The purpose of this is to provide an automatic device, save labor and speed up the disposal process, and improve the substantial productivity of the original processing steps such as rolling.

[Means for Solving the Problem] As described above, the thin plate winding start end discarding device according to the present invention is a winding start end which is separated and wound around a reel in a core shape before winding a long thin plate. Is a device for discarding, a holder mechanism capable of embracing the winding start end on a moving plate that reciprocates along the reel in the axial direction and reciprocates to the position of the scrap bucket, and A band attaching / detaching mechanism capable of holding an annular band fitted to the outside at a position substantially concentric with the reel is provided.

[Operation] The winding start end, which is separated from the long thin plate and wound around the reel in a core shape, is handled as follows by the discarding device of the present invention and automatically discarded. That is, 1) With the annular band having a predetermined diameter (inner diameter slightly exceeding the outer diameter of the winding start end on the reel) held in advance in the band attaching / detaching mechanism, the moving plate moves in the axial direction of the reel ( When moved to the reel side), the band fits outside the winding start end.

2) The above holder holds the winding start end and
The winding start end is pulled out from the reel by moving the movable plate in the direction opposite to the above 1) in the axial direction of the reel.

3) The continuous moving board moves to carry the winding start end,
If the holder is released from the hugging state when it reaches the position of the scrap bucket, the winding start end enters the same bucket with the core shape.

In addition to this, according to this device, it is necessary to shorten the long tip portion by cutting a plurality of times even if the tip portion of the thin plate to be treated as scrap is long. B) Even if the core-shaped winding start end loaded in the scrap bucket is a plate material that tends to expand into a flat plate due to its elasticity, it is in the core state due to the action of the fitted annular band, that is, it is wound. It can be kept in its original shape and is compact and easy to handle.

It should be noted that there is usually a portion to be discarded as scrap at the rear end of the thin plate as well, but this portion can be processed by removing the thin plate wound into a coil from the processing line. Since the treatment can be easily performed on the outermost peripheral portion of the coil of the thin plate and can be performed in a state where it does not hinder the original processing process (does not delay the same process), no particular problem occurs. .

[Embodiment] FIGS. 1 to 3 are views showing an embodiment of a device for discarding a winding start end attached to a cold rolling facility for thin steel sheets, according to an embodiment of the present invention.

Here, the rolling equipment is one in which two reel devices (only the mandrel A, which is the rotation shaft of one reel device, is shown) are arranged with one reversing rolling mill (not shown) in between. is there. The strip-shaped thin steel sheet to be rolled is unwound and wound between both reel devices, and then applied to the rolling mill.
Reciprocating (reverse) rolling is performed in multiple passes. In addition, in this rolling equipment, a cutting machine (not shown) for cutting a steel plate into a predetermined length, if necessary, and the mandrel A
Snubber rolls B1 and B2 for pressing the steel plate edge on top
Etc. are also included.

With regard to the strip-shaped thin steel sheet obtained by such a rolling facility, there are portions which do not become products at both ends thereof. Since the rolling cannot be performed when the steel sheet is not hung on both reel devices, the leading and trailing ends of the steel sheet, which are equivalent to the distance from the rolling mill to the reel device, must be discarded as unrolled scrap.

The illustrated discarding device is a device for automatically discarding the leading end portion of the steel plate to be scrapped, that is, the winding start end, while using the above-mentioned rolling facility, prior to the rolling of the final pass for winding the steel plate as a completed rolling product. . That is, this device
It is provided near the mandrel A of the reel device on the side that winds the steel plate during rolling of the final pass of the reel device of the table, and the winding start end separated from the product part by the cutting machine is wound on the mandrel A. The purpose is to handle and dispose of the core a.

Structurally, as shown in FIG. 1, this processing apparatus has 1) a traverse mechanism 10 and 2 for reciprocating a moving platen 1 or the like to a position of a scrap bucket 50 in a direction perpendicular to the axis of the mandrel A of the reel device. ) A shift mechanism 20 for reciprocating the movable platen 1 or the like in a direction parallel to the axis of the mandrel A, 3) A holder mechanism 30 for holding and releasing the core a, which is the winding start end, on the movable platen 1 4) A band attaching / detaching mechanism for attaching / detaching the annular band b for preventing the core a from loosening on the moving board.
It consists of a total of four mechanisms, 40-. Less than,
The structure of each mechanism will be described in detail.

1) Traverse mechanism 10: By attaching the wheels 13a to the frame 13 and combining the wheels 13a with the fixed base 11, the traverse mechanism 10 can move in the direction perpendicular to the axis of the mandrel A (first
The frame 13 is movable to the left and right of the figure, and a hydraulic cylinder 12 is connected to the frame 13 as a drive source thereof. On the frame 13, there is an intermediate frame 14 for installing the moving board 1 and the shift mechanism 20.

2) Shift mechanism 20: With respect to the guide frame 21 fixed to the intermediate frame 14, the intermediate plate 23 is movable in the axial direction of the mandrel A (the direction perpendicular to the paper surface of FIG. 1, right and left of FIG. 2), and the middle thereof. The movable platen 1 is movable in the same direction with respect to the intermediate guide frame 24 integrated with the platen 23. The hydraulic cylinder 22 is used as a drive source for the intermediate platen 23, and in order to drive the movable platen 1, the pinion 25 is provided so as to be rotatable in a fixed position with respect to the intermediate guide frame 24.
Is engaged with the rack 21a on the upper surface of the guide frame 21 and the rack 1c on the lower surface of the movable platen 1. Therefore, when the cylinder 22 is expanded and contracted, the intermediate plate 23 and the intermediate guide frame 24 move to move the pinion 25.
Moves while rotating while meshing with the stationary rack 21a, so the other rack 1c (that is, the moving board 1) is pinioned.
The distance is doubled by 25 movements (that is, the stroke of the cylinder 22). In this way, the intermediate plate 23 and the like are provided in the shift mechanism 20 because the movable platen 1 is a cylinder.
This is because the cylinder 22 is shortened and the entire apparatus is made compact as compared with the case where the cylinder 22 is directly driven.

In addition, if it explains in detail based on FIG.
A wheel 23b rotatably supported by a bearing portion 23a is incorporated in the guide frame 21, and a cylinder 22 attached to the intermediate frame 14 is connected to a lower bracket 23c of the guide frame 21 via a bracket 22a. Also, the moving board 1
The wheel 1b is rotatably supported via the bearing 1a, and the wheel 1b is rotatably supported.
1b is incorporated in the intermediate guide frame 24.

3) Holder mechanism 30: As shown in FIG. 1, with respect to the bracket 2 integrally formed with the arc-shaped liner 2a formed on the movable plate 1, the opening / closing bracket 33 also provided with the arc-shaped liner 33a is used as a fulcrum. It is mounted so that it can be swung open / close around 31 and is connected to a hydraulic cylinder 32 provided on the bracket 2. By expanding and contracting the cylinder 32, the opening and closing bracket 33 swings to open and close (see the phantom line on the right side of FIG. 1). In the closed state, the liner 2a
・ The inner surface of 33a (except diagonally below) is concentric and has an arc of the same diameter (its diameter is almost equal to the inner diameter of the annular band b described later).
In the open state, the bracket 33 swings upward, and an opening having a width exceeding the above diameter is formed obliquely below the liner 2a.

Regarding the relationship between the traverse mechanism 10 and the shift mechanism 20, when the cylinder 12 is extended and the cylinder 22 is extended, the bracket mechanism 2 is moved concentrically with the mandrel A so that the holder mechanism 30 moves to surround the mandrel A from the outside. While reaching the position (see the left side in FIG. 1 and the right side in FIG. 2), when the cylinder 22 and the cylinder 12 are also contracted, the openings of the brackets 2 and 33 are located above the scrap bucket 50. (See the right side of Fig. 1)

4) Band attaching / detaching mechanism 40: As shown in FIG. 3, a tongue piece 41 for hooking the annular band b.
And an extruding block 42 for removing the band b from the tongue 41, and an air cylinder 43 for extruding the block 42.
It is provided at the upper shaft end position of. As described above, since the closed bracket 33 can move concentrically with the mandrel A together with the bracket 2, the band b having a diameter sufficiently larger than the mandrel A and hung on the tongue 41 is also substantially concentric with the mandrel A. Can move up. Such a band b is hung on the tongue 41 with the cylinder 43 retracted and the block 42 retracted (state shown by the solid line in FIG. 3), and when the cylinder 43 is extended, it is pushed by the pin 42a of the block 42 and the tongue 41. Get out of.

This disposal device having the above configuration and attached to the above-mentioned rolling equipment is operated as follows to handle the starting scrap portion of the strip steel sheet before rolling in the final pass.

The winding start end of the strip-shaped thin steel plate is first wound around the mandrel A of the reel device by the rolling equipment and cut from the product portion at one predetermined place to form the core a. In the case of a steel plate, the elasticity of the steel plate tends to cause it to extend to a flat plate, so press it from the outside with the snubber rolls B1 and B2.

The tongue piece 41 of the band attaching / detaching mechanism 40 is previously hung on the annular band b having a diameter larger than that of the core a, and then the cylinder 12 of the traverse mechanism 10 is extended, and further the cylinder 22 of the shift mechanism 20 is extended to move the moving board. 1 is moved toward the mandrel A, and the holder mechanism 30 on the moving board 1 is brought to the vicinity of the mandrel A. With the bracket 33 closed, the band b is loosely fitted on the outside of the core a on the mandrel A at this time. From the time when the movable platen 1 approaches the mandrel A, it is necessary to retract the snubber roll B2 near the tip of the mandrel A as shown in FIG.

The cylinder 43 of the band attaching / detaching mechanism 40 is extended to remove the band b from the tongue piece 41. As a result, band b is core a
Hanging on.

Both snubber rolls B1 and B2 are retracted from the mandrel A (core a), and the winding state of the core a on the mandrel A is released. The core a expands its diameter by its own elasticity and comes into contact with the inner surface of the band b all around, and also inside the brackets 2 and 33 of the holder mechanism 30 in the closed state (liner).
It is held inside 2a and 33a).

With the holder mechanism 30 holding the core a, the cylinder 22 of the shift mechanism 20 and the cylinder 12 of the traverse mechanism 10 are held.
Are sequentially shrunk, and the core a is moved to the scrap bucket 50 sideward position (rightward position in FIG. 1) together with the movable platen 1 and the like.

The cylinder 32 of the holder mechanism 30 is contracted to open the bracket 33. As a result, the core a is obliquely lowered from the bracket 2 (liner 2a) and put into the scrap bucket 50.

The rolling (final pass) of the strip-shaped thin steel sheet in the standby state between the above-mentioned (1) to (3) can be performed while winding the steel sheet around the mandrel A from the time when the core a leaves the mandrel A. Further, since the coil wound with the steel plate is taken out from the mandrel A in the axial direction after the completion of this rolling, the discarding device is evacuated to the same position as described above, that is, to the position deviated from the axis of the mandrel A. Then, the operation from the above may be repeated again before the final pass of the next rolled steel sheet starts. As for the rear end of the steel plate (winding end), which is also scrap, since it comes to the outermost circumference of the coil, it is different from the coil taken out from the mandrel A after the final pass rolling. A processing device (not shown) disposes of the steel sheet in parallel with the next rolling process of the steel sheet.

As mentioned above, one embodiment of the present invention has been introduced, but the discarding device of the present invention is not limited to only the rolling process of the thin steel plate,
The same applies to various processing steps such as cleaning, painting, surface treatment that require the end of a long strip of thin plate to be discarded at the final stage, as well as non-ferrous plates other than steel plates, non-metallic plates / sheets, etc. it can. In the above embodiment, the snubber roll used to hold the winding start end (core) separated and wound on the reel is not necessary when the thin plate to be applied has weak elasticity due to the material and thickness. .

[Advantage of the Invention] According to the thin plate winding start end disposal device according to the present invention, even if the scraped start end portion of the thin plate extends over a long length, the disposal process can be performed quickly and labor-savingly, and the disposal process can be continued. The efficiency of the original processing process can be improved.

[Brief description of drawings]

1 to 3 are drawings showing a winding start end discarding device as an embodiment of the present invention. 1 is an overall front view of the same apparatus, FIG. 2 is a view taken along the line II-II of FIG. 1, and FIG. 3 is a sectional view taken along the line III-III of FIG. 1 ... moving board, 10 ... traverse mechanism, 20 ... shift mechanism, 30 ... holder mechanism, 40 ... band attaching / detaching mechanism, 50 ...
… Scrap bucket, A… Mandrel (reel),
a: core (winding start end), b: annular band.

Claims (1)

[Scope of utility model registration request] 1. A device for discarding a winding start end, which has been separated and wound around a reel, before winding a long thin plate, which is reciprocally moved in the axial direction along the reel and is disposed in a scrap bucket. A holder mechanism capable of holding the winding start end and a band attaching / detaching mechanism capable of holding an annular band fitted on the outer side of the start end substantially concentrically with the reel are provided on a moving board that reciprocates to a position. Disposal device for the starting end of thin plate winding.