JP2699591B2 - Automatic rewinding device for dual winder - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic rewinding device for a dual winder that alternately winds a sheet product, and can inspect a sheet product at a height similar to that of a winder. This makes it possible to easily take out the wound product.

2. Description of the Related Art Conventionally, in winding a sheet-shaped product that is continuously fed, two winders are used to alternately wind the product.

For example, in a calendar line for forming a fabric that is a part of a rubber tire, a base fabric is sandwiched between rubber and rubber in the calendar, and a sheet product fabric (knitted with warp and weft like cloth) is used. After being formed and sent to a cooling device or the like, it is sent to two winders and wound up alternately.

In order to automate the winding of such sheet products,
Proposal of an automatic switching device for dual winders
No. 230936), as shown in FIG. 5, a pinch roll 3 for feeding out a sheet product 2 fed through an accumulator 1 is provided.
Below this is provided an automatic cutter device 4 composed of upper and lower clamps and cutters. Below the automatic cutter device 4, a pair of left and right fixed conveyors 5 are vertically arranged, and below the fixed conveyor 5, the upper end is supported so as to be rotatable around a horizontal axis and is capable of swinging. A pair of guide conveyors 6 are provided.

Further, winders 7 are respectively installed on the left and right sides near the swinging lower end of the guide conveyor 6, and the sheet product 2 sent out from the guide conveyor 6 is received on the liner 9 where the liner unwinding device 8 is unwound. 2 can be wound around a winder 7.

According to such an automatic switching device for the dual winder, when the winding by one of the winders 7 reaches a predetermined amount, the pinch roll 3 and the winder 7 are stopped, and the sheet product 2 is cut by the automatic cutter device 4. Then, all the cut sheet products 2 are wound up by the winder 7 that has been wound up until now.

Thereafter, the guide conveyor 6 is swung toward the other winder 7, the pinch roll 3 is activated again, and the sheet product 2 is sent to the winder 7 together with the liner 9 so that the sheet product 2 hangs on the liner 9 of the winder 7. You can continue to.

The sheet product 2 sent out from the calendar line during the winding operation is stored in the accumulator 1.

[Problems to be Solved by the Invention] However, in such an automatic switching device of the dual winder, the pinch roll 3 is provided above the two winders 7.
The automatic cutter device 4, the fixed conveyor 5, the guide conveyor 6, and the like are installed to rewind the sheet product 2 in a hung state, and inspect the surface defect or dirt of the sheet product 2 such as fabric. Then, there is a problem that the inspection must be performed at a position much higher than the winder 7, such as the entrance side of the pinch roll 3.

In addition, equipment 3 necessary for automatic switching above winder 7
There is also a problem that the wound product cannot be easily lifted up due to the arrangement of Nos. 6 to 6.

The present invention has been made in view of the problems of the related art, and makes it possible to easily inspect a sheet product before winding it up, and to easily remove the product by removing and opening the equipment above the wonder. It is an object of the present invention to provide a dual-winder automatic rewinding device which can perform the operation.

Means for Solving the Problems In order to solve the problems of the prior art, the automatic rewinding device for a dual winder according to the present invention is configured to rotate around a horizontal axis around the center of two winders on the left and right for winding a sheet product. A pair of rotatable rotating disks are provided, and a pinch roll mechanism for the sheet product sent upward through a guide roll is mounted on the rotating disk, and the pinch roll mechanism is held by the rotation of the rotating disk. The sheet product is alternately guided to each winder.

[Operation] According to the automatic rewinding device of this dual winder, 2
A rotary disk that rotates around a horizontal axis is provided at the center of the base winder, and a pinch roll mechanism is mounted on this rotary disk. Sheet products fed from below are sandwiched by the pinch roll mechanism. To rotate the turntable so that it can be sent to either the right or left winder.

Therefore, the mechanism required for automatic rewinding is installed between the winders, and the sheet product is pulled up from below, so that the inspection can be performed at the same height as the winder and the product can be easily taken out. Can also.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

1 to 3 relate to an embodiment of an automatic rewinding device for a dual winder according to the present invention, and FIG.
FIG. 2 is a view taken in the direction of arrows II-II in FIG. 1, and FIG. 3 is an explanatory view of the drive mechanism.

In the automatic rewinding device 10 of the dual winder, two winders 12, 13 are arranged symmetrically to the left and right lines on the floor to wind up the sheet product 11. As shown in FIG. 1, the winders 12, 13 are provided with winder shafts 12a, 13a at line symmetrical positions, respectively, and liner guide rollers 12b, 13b are disposed below the outside thereof. The liner unwinding device 1 is attached to these liner guide rollers 12b and 13b.
Liners 12d, 13d sent from 2c, 13c are wound around the liners 12d, 13d.
a, 13a.

A turntable 14 having a rotation center at the left and right center of these two winders 12, 13 and slightly above the winder shafts 12a, 13a is provided to be rotatable 180 degrees in the left and right direction.
As shown in FIG. 2, the rotating disk 14 has two disks 14a,
14a, the center axes of which are rotatably supported by the columns 14b, respectively. A gear 14c is formed on the outer periphery of each of the disks 14a, 14a, and meshes with two pinions 14e attached to a drive shaft 14d supported at a lower portion of the column 14b, and is connected to an end of the drive shaft 14d. The motor 14f is driven to rotate.

A pinch roll mechanism 15 is mounted on a radially outer end of the turntable 14, for example, at a horizontal radial left end of a rotary end obtained by rotating the turntable 14 counterclockwise in FIG.

As shown in FIG. 1, the pinch roll mechanism 15 includes a pair of upper and lower pinch rolls 15a and 15b, and is connected to a fluid pressure cylinder 15c so that they can approach and separate from each other. The pinch roll 15a is provided with a rotation drive mechanism 16 so that the pinch roll 15a can be driven to rotate. As shown in FIG. 3, the rotation drive mechanism 16 is constituted by a chain mechanism, and a sprocket 16a is attached to a shaft end of a pinch roll 15a via a key. On the other hand, the two integrated sprockets 16b are provided on the support shaft of the disk 14a of the turntable 14 through bearings 16c so as to be freely rotatable,
Further, a sprocket 16e driven by a motor 16d is provided outside the turntable. And sprocket 1
One chain 16f is wound between 6a and the sprocket 16b, and another chain 16g is wound between the sprocket 16b and the sprocket 16e. Further, a chain tensioner 16h is provided on the outer periphery of the chain 16f wound between the sprocket 16a and the sprocket 16b, so that the tension of the chain 16f can be adjusted by a fluid pressure cylinder in accordance with the approach and separation of the sprocket 16a. It has become.

Two guide rolls 17 for guiding the sheet product 11 to the pinch roll mechanism 15 are provided at the center of the turntable 14.

Further, a guide roll 18 and a pinch roll 19 for feeding the sheet material 11 upward from below are provided outside the rotary disk 14 below the center axis of the rotary disk 14.

Therefore, the sheet product 11 sent out from the calendar line is sent out horizontally through an accumulator and the like, is turned upward by a guide roll 18 below the turntable 14, and passes through a pinch roll 19 to a central portion of the turntable 14. Is wound around one (lower) guide roll 17, brought into a horizontal state again, and sent out in the horizontal radial direction of the turntable 14 by pinch rolls 15 a and 15 b above and below the pinch roll mechanism 15.

An automatic cutter device 20, a conveyor 21, and a guide roll 22 are sequentially provided on the horizontal radial outside of the turntable 14 from which the sheet material 11 is sent out from the pinch roll mechanism 15. These guide rolls 22 are arranged above horizontal liners 12d, 13d just before being wound on the winder shafts 12a, 13a of the winders 12, 13.

The rewinding of the sheet product 11 by the automatic rewinding device 10 of the dual winder configured as described above is performed as follows.

For example, when winding by the winder 12 on the left side of FIG. 1 reaches a predetermined amount, the winder 12 and the pinch roll mechanism 15,
The pinch roll 19 is stopped, and the sheet product 11 is cut by the automatic cutter device 20.

Then, all the cut sheet products 11 are wound by the winder 12 that has been wound so far.

Thereafter, the pinion 14e is driven by the motor 14f to rotate the turntable 14 clockwise by 180 degrees.

Then, the pinch roll mechanism 15 is located at the right end in the horizontal radial direction of the turntable 14, as indicated by the broken line in FIG.

Thus, the pinch roll mechanism 15 is connected to the other winder 13.
After being turned to the side, the winder 12 and the pinch roll mechanism 1
5.Start the pinch roll 19 to feed out the sheet product 11, drop it onto the liner 13d of the winder 13 via the conveyor 21 and the guide roll 22, and send it to the winder shaft 13a of the winder 13 together with the liner 13d to wind up. to continue.

The sheet product 11 sent out from the calendar line during the rewinding operation is stored in an accumulator (not shown).

These operations are performed, for example, by providing a winding amount detector and a winding completion detector on the winder shafts 12a and 13a, and providing a control device, and when the sheet product 11 is wound by a predetermined amount,
After automatically stopping the pinch roll mechanism 15 and the winders 12 and 13, operating the automatic cutter device 20, and further rotating the turntable 14, operating the pinch roll mechanism 15 and the winders 12 and 13 again By doing so, winding by the dual winder can be completely automated.

In this way, the sheet product 11 is pulled up from below, and is wound around the winders 12, 13, so that the inspection before winding the sheet product 11 can be performed at almost the same height as the winders 12, 13. In addition, the height of the entire device can be reduced.

Next, another embodiment of the present invention will be described with reference to FIG.

FIG. 4 is a schematic diagram showing an embodiment of an automatic rewinding device for a dual winder according to the present invention.

In the automatic rewinding device 30 of the dual winder, the size of the device is further reduced, and two winders 32 and 33 having the same configuration as in FIG. Have been.

A small-diameter turntable 34 having a rotation center slightly above the winder shafts 32a, 33a is provided at the left and right centers of these two winders 32, 33 so as to be rotatable 180 degrees in the left and right direction.
With the same configuration as the rotary plate 14 already described,
It is designed to be rotated 180 degrees.

As shown in FIG. 4, the rotary disk 34 has a pinch roll mechanism 35 which constitutes a vertical pinch roll mechanism 35 sandwiching the center of rotation.
35a, 35b are provided, the fluid pressure cylinder 35c is connected, and is configured to be able to approach and separate from each other,
One pinch roll 35 is driven by a rotation drive mechanism (not shown).
a is driven to rotate.

Further, a guide roll 36 and a pinch roll 37 for feeding the sheet material 31 upward from below are provided outside the rotary disk 34 below the center axis of the rotary disk 34.

Therefore, the sheet product 31 sent out from the calendar line is sent out horizontally through an accumulator and the like, is turned upward by a guide roll 36 under the turntable 34, and passes through a pinch roll 37 to a central portion of the turntable 34. Is wound around the pinch roll mechanism 35, and is again brought into a horizontal state, and is sent out in the horizontal radial direction of the turntable 34.

Pinch roll mechanism 35 to which this sheet product 31 is sent out
An automatic cutter device 38 and a pair of upper and lower conveyors 39 are provided in this order on a rotary disk 35 in front of the rotary disk 35 so as to be rotated together with the rotary disk 34.

Further, guide rolls 40 are respectively disposed above the horizontal naina 32d, 33d immediately before being wound on the winder shafts 32a, 33a of the winders 32, 33 outside the rotary disk 34.

The rewinding of the sheet product 31 by the automatic rewinding device 30 of the dual winder configured as described above is performed as follows.

For example, when the winding by the winder 32 on the left side of FIG. 4 reaches a predetermined amount, the winder 32 and the pinch roll mechanism 35,
The pinch roll 37 is stopped, and the sheet product 31 is cut by the automatic cutter device 38.

Then, all the cut sheet products 31 are wound up by the winder 32 that has been wound up until now.

Thereafter, when the turntable 34 is rotated right by 180 degrees, the pinch roll mechanism 35 is turned upside down on the center axis of the turntable 34, and the automatic cutter device 38 and the conveyor 39 are located on the right side, and the sheet The product 31 is sent horizontally to the right.

Thus, the pinch roll mechanism 35 is connected to the other winder 33.
Side, the winder 32 and the pinch roll mechanism 3
5, Activate the pinch roll 37, send out the sheet product 31, and hang it on the liner 33d of the winder 33 via the conveyor 39 and the guide roll 40, and send it together with the liner 33d to the winder shaft 33a of the winder 33 to wind up. to continue.

The sheet product 31 sent out from the calendar line during the rewinding operation is stored in an accumulator (not shown).

In addition, these operations can be automated if various detectors and controllers are provided, as in the case of the already described embodiment, and it is possible to completely automate winding by a dual winder. Become.

Since the sheet product 31 is wound up around the winders 32 and 33 by pulling it up from below, the inspection before winding the sheet product 31 is performed on the winders 32 and 33.
And the height of the entire apparatus can be reduced. An automatic cutter device 38 and a conveyor 39 are mounted on a turntable 34 so that both winders 32 and 3 are mounted.
Since the apparatus can be shared with the apparatus 3, the apparatus can be made more compact.

In the above-described embodiment, the rotary plate on which the pinch roll mechanism is mounted is circular. However, the present invention is not limited to this, and other shapes may be used.

Also, it goes without saying that changes may be made to each component without departing from the spirit of the present invention.

[Effects of the Invention] As described above in detail with the embodiment, according to the automatic winder of the dual winder of the present invention, the rotating disk that rotates about the horizontal axis is provided at the center of the two winders. Since the pinch roll mechanism is mounted on the turntable, the turntable can be rotated while the sheet product fed from below is sandwiched by the pinch roll mechanism and sent to either the right or left winder. .

Therefore, the mechanism required for automatic rewinding is installed between the winders, and the sheet product is pulled up from below, so that the inspection can be performed at the same height as the winder and the wound product can be removed. Can be easily removed.

[Brief description of the drawings]

1 to 3 relate to an embodiment of an automatic rewinding device for a dual winder according to the present invention. FIG. 1 is a schematic configuration diagram, FIG. 2 is a view taken in the direction of arrows II-II in FIG. FIG. 3 is an explanatory view of the drive mechanism. FIG. 4 is a schematic diagram of another embodiment of the automatic winder for a dual winder according to the present invention. FIG. 5 is a schematic configuration diagram of a conventional device. 10: Automatic winder of dual winder, 11: Sheet product, 12, 13: Winder, 14: Rotating disk, 15: Pinch roll mechanism, 16: Rotation drive mechanism, 17: Guide roll, 18: Guide roll, 19: Pinch roll, 20: Automatic cutter device, 21: Conveyor, 22: Guide roll, 30: Automatic rewinding device of dual winder, 31: Sheet product, 32, 33: Winder, 34: Turntable, 35: Pinch roll mechanism, 36: guide roll, 37: pinch roll, 38: automatic cutter device, 39: conveyor, 40: guide roll.

Claims (1)

(57) [Claims] 1. A pair of turntables capable of rotating around a horizontal axis are provided at the center of two winders, left and right, on which a sheet product is wound.
A pinch roll mechanism for the sheet product sent upward through a guide roll is mounted on the rotary plate, and the sheet product sandwiched by the pinch roll mechanism is alternately guided to each winder by the rotation of the rotary plate. An automatic rewinding device for a dual winder, characterized in that it is configured as described above.