JPH0790564B2 - Rubber sheet winding device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rubber sheet take-up device, and more specifically, a rubber sheet mixed with short fibers rolled by a calender or the like is bevel-cut on both sides of the rubber sheet to form a liner for canvas or the like. The present invention relates to a rubber sheet take-up device for automatically overlapping and winding a sheet.

[0002]

2. Description of the Related Art In a rubber sheet containing short fibers, short fibers are generally mixed in the rubber by a calendar. In this rubber sheet, short fibers are arranged in the sheet extruding direction, and it is used for a compression rubber layer of a low edge belt among power transmission belts. The short fiber-containing rubber sheet, after being rolled by a calendar, is directly supplied to a winder consisting of a roll having a liner such as canvas wound thereon and a roll for winding this liner, and the rolled rubber sheet is provided as a liner. It was installed so that it would be stacked on top of it and wound up continuously.

After moving the winding machine to a predetermined position, an operator pulls out the rubber sheet from the winding machine and cuts it into a predetermined length with a cutter. The rubber sheets cut into a certain length are placed on a liner made of a synthetic resin film such as polyethylene, and after stacking multiple sheets on a pallet placed on a movable carriage, this truck is subjected to the belt forming process. I was moving.

[0004]

Further, in the conventional method, the rubber sheet is pulled out and cut into a predetermined length by a cutter, and both side portions of the rubber sheet are bevel cut, that is, the end portions are cut in the bias direction. It was This bevel cut is also an important step for joining short-fiber-containing rubber sheets cut into a certain length without steps. But,
Both the cutting and bevel cutting processes depended on the operator. In particular, in the bevel cut process, when cutting the end in the bias direction, the angle of the cut surface of the end face varies and becomes uneven, and it takes time to join the rubber sheets without steps, and the cutting angle of the bevel cut is changed. Make it uniform,
It was also strongly desired to rationalize this. The present invention solves such a problem by automating the bevel cut process, automatically cutting the short fiber-containing rubber sheet rolled by a calender and winding the rubber sheet around a liner. The purpose is to provide a device.

[0005]

That is, the feature of the present invention which meets the above-mentioned object is to provide a rubber sheet winding device for transporting a rolled rubber sheet by a conveyor member and winding the rolled rubber sheet on a winder. A first conveyor member for transport, a sheet stock member for storing a moving rolled rubber sheet in a bent state by pressing the rolled rubber sheet with a pressing member, and a rolled rubber sheet gripped by moving to the end of the first conveyor member Then, at least 2 sheets of the rolled rubber sheet and the sheet catcher that retracts after being set on the gripping roll are provided.
A bevel cutting machine that clamps a pair of gripping rolls to cut the end surface of the rubber sheet into a bias shape, and a winding machine that has a main roll that winds the bevel-cut rolled rubber sheet together with a liner and a sub roll that winds the liner. It is in a device for winding a rubber sheet. Further, in the present invention, the bevel-cutting machine applies at least two sets of gripping rolls for applying a tension to the rolled rubber sheet, an auxiliary cutter for making a hole in the rubber sheet, and a main part for cutting the end face into a bias shape by penetrating into the hole. It also includes a rubber sheet winding device consisting of a cutter. Furthermore, the present invention also includes a rubber sheet winding device including a pair of a driving roll to which the gripping roll of the bevel cutting machine is fixed and a movable follower roll.

[0006]

In the rubber sheet winding device of the present invention, when the rolled rubber sheet is transported by the first conveyor member and starts to hang down from the end, the sheet catcher horizontally moves on the rail provided at the uppermost position. Hold the edge of the sheet with the catch roll located at the leading edge. After that, the sheet catcher is retracted to the vicinity of the gripping roll of the bevel cutting machine, where the sheet is set and clamped on the gripping roll to apply tension to the sheet, and then the end surface of the rolled rubber sheet is cut into a bias shape. The bevel-cut sheet is wound on a winder including a main roll around which the liner is wound and a sub roll around which the liner is wound. Moreover, the cutter member of the bevel cutting machine, when starting the bevel cutting, a hole is preliminarily punched in the rolled rubber sheet by the auxiliary cutter,
Then, the main cutter is inserted into this hole to bevel-cut the end face of the rolled rubber sheet, so that the bevel-cutting by the main cutter becomes easy. Further, the sheet stock member can be temporarily stored by pressing the rolled rubber sheets sequentially transferred by the pressing member and bending, so that it is not necessary to stop the present apparatus. When the rolled rubber sheet starts to flow continuously, the pressing member can be pushed up to adjust the storage amount.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a front view of a rubber sheet winding device according to the present invention. According to this, in the rubber sheet winding device 1 of the present invention, the first conveyor member 2 for transporting the rolled rubber sheet 3 in which the short fiber-containing rubber sheet is extruded by a calendar or the like and the rolled rubber sheet 3 in motion are provided. a sheet stock member 4 for storing in a state of being bent by pressing by the pressing member 5, until the original position and placed in the gripping roll after grabbing the rolled rubber sheet 3 is moved to the first end of the conveyor member 2 A bevel-cutting machine 7 having a retreating sheet catcher 6 and a cutter member 10 for sandwiching the rolled rubber sheet 3 between at least two sets of gripping rolls 8 and 9 and cutting the end surface of the rubber sheet into a bias shape; A second conveyor member 11 for transporting the cut rolled rubber sheet 3, a main roll 14 on which a liner 13 is wound, and a sub-roll 1 on which the liner 13 is wound. And a winder 12 made.

As shown in FIGS. 2 and 3, when the leading end of the rolled rubber sheet 3 hangs down from the end of the first conveyor member 2, the sheet catcher 6 operates. This sheet calibration char 6, U-shaped frame body 16 is supported by two wheels 17, reciprocates on rails 19 provided on top by the rotation of the motor 18 to the first conveyor member near 2. A catch roll 20 provided at the tip of the lower frame of the frame body 16 holds the rolled rubber sheet 3 hanging from the first conveyor member 2. Sheet catcher 6 holding rolled rubber sheet 3
Once retracts to the vicinity of the gripping roll 8 of the bevel cutting machine 7 and releases the rolled rubber sheet 3 from the gripping roll 8
After sandwiching it, wait at this position.

The bevel cutting machine 7 comprises two gripping rolls 8 and 9 and a cutter member 10 located between them. Each of the gripping rolls 8 and 9 includes a driven roll 23 that is moved by the operation of the cylinder 22 and a fixed driving roll 24, and holds the rolled rubber sheet 3 therebetween. The driving roll 24 of each of the gripping rolls 8 and 9 is provided with a rotation difference to apply tension to the rolled rubber sheet 3.

As shown in FIGS. 4 and 5, the cutter member 10 comprises an auxiliary cutter 25, a main cutter 26, and a protective member 56 for each cutter, which are installed on a substrate 55. The auxiliary cutter 25 is attached to a holder 30 which is connected to a rod 28 of a cylinder 27, and the auxiliary cutter 25 is projected and moved by the operation of the cylinder 27, so that the protection member 5
6 is accommodated in the accommodation groove 57. On the other hand, the main cutter 26 is arranged immediately below the auxiliary cutter 25, and is attached to a holder 33 connected to the rod 32 of the cylinder 31 in the same manner as the auxiliary cutter 25. It fits in the accommodation groove 57. The auxiliary cutter 25 makes a hole in advance before bevel-cutting the end surface of the rolled rubber sheet 3. After that, the main cutter 26 enters the hole, and the auxiliary cutter 25 returns to the original position.
Then, the main cutter 26 continuously bevel-cuts the end surface of the rolled rubber sheet 3. It is also possible to heat the auxiliary cutter 25 to facilitate the punching of the rolled rubber sheet 3.

The bevel-cut rubber sheet 3 has a second
Is conveyed to the conveyor member 11 and is supplied to the winder 12. As shown in FIG. 1, the winding machine 12 includes a conveyor member 35 that guides the rubber sheet 3 to be laminated between liners 13 such as canvas, a liner 13 such as canvas, and a main roll 14 around which the rubber sheet 3 is wound. Liner 1
It is composed of a sub roll 15 around which 3 is wound. The main roll 14 and the sub roll 15 are installed on a base 37 to which wheels 36 are attached, and can rotate in any direction. The base 37 has a power transmission belt 40 mounted between a prime mover 38 and a shaft 39 installed on the base 37, and is movable by the rotation of the prime mover 38. Particularly, when the rubber sheet 3 is sufficiently wound around the main roll 14,
The winder 12 is moved to the next step.

Further, as shown in FIG. 7, the sheet stock member 4 temporarily stores the moving rolled rubber sheet 3 when the gripping rolls 8 and 9 are stopped during the initial manual operation of the bevel cutting machine 7. Specifically, two carriers 46 vertically arranged in the storage chamber 45 are attached to a pair of upper and lower guide rolls 47, and three rods 50 are arranged in parallel to the two carriers 46. Then, the pressing member 5 fixed to the frame is mounted. And 1 of the guide roll 47
Link to the prime mover 48 via the power transmission belt 49,
When the prime mover 48 is operated, the two transport bodies 46 simultaneously move in the vertical direction, and the pressing members 5 are also provided at intervals.
It moves up and down between the projecting plates 51 like an elevator.
That is, when the pressing member 5 moves downward, the rolled rubber sheet 3 is curved so as to have five bent portions, and the storage chamber 45
Stock inside.

Next, the operation of the rubber sheet winding device will be described. When the rolled rubber sheet 3 is transported by the first conveyor member 2 and hangs down from the end thereof, the sheet catcher 6 horizontally moves on the rail and hangs down due to the operation of the detection sensor as shown in FIGS. 2 and 3. The rolled rubber sheet 3 is gripped by the catch roll 20 located at the tip thereof. After that, the sheet catcher 6 once retracts to the gripping roll 8 of the bevel cutting machine 7, and here the rolled rubber sheet 3 is driven by the driving roll 24 to which the gripping roll 8 is fixed.
After it is placed on the top, the driven roll 23 is moved by the operation of the cylinder 22 to sandwich the rolled rubber sheet 3. After that, the seat catcher 6 waits at this position for a while.

The rolled rubber sheet 3 is sandwiched by at least two sets of gripping rolls 8 and 9 of the bevel cutting machine 7, and tension is applied to the sheets. Then, the sheet stock member 4 is operated to stop the gripping rolls 8 and 9 during the initial manual operation of the bevel cutting machine 7. Sheet stock member 4
Is operated, rotation of the driving rolls 24 of the two sets of gripping rolls 8 and 9 of the bevel cutting machine 7 is stopped, and the movement of the rolled rubber sheet 3 is stopped. After that, the pressing member 5 is moved downward, the rolled rubber sheet 3 is bent into three, and the storage chamber 4 is moved.
Stock within 5 Subsequently, the auxiliary cutter 25 of the cutter member 10 makes a hole in the end of the rolled rubber sheet 3 in advance, and after the main cutter 26 is inserted into this hole, the auxiliary cutter 25 is retracted and rolled by the main cutter 26. The end surface of the rubber sheet 3 is continuously bevel-cut.

The bevel-cut rubber sheet 3 has a second
Is conveyed to the conveyor member 11 and is supplied to the winder 12. In the winder 12, the rolled rubber sheet 3 is conveyed by a conveyor member 35 that guides the rolled rubber sheet 3 to be laminated between liners 13 such as canvas, and the liner 13 is wound around a main roll 14. At this time, the sub roll 15 becomes the driven side and the liner 13 is sequentially supplied.

When a predetermined amount of the bevel-cut rubber sheet 3 is wound around the main roll 14, the winder 12 cuts the rubber sheet 3 to a predetermined length, stacks the synthetic resin film, and moves to the step of stacking on a pallet. Then, a new winding machine 12 is installed at the end of the second conveyor member 11.

[0017]

As described above, in the rubber sheet winding device according to the present invention, the rolled rubber sheet is automatically gripped by the sheet catcher at the time of starting, and the rolled rubber sheet is clamped by the gripping rolls.
While applying bevel cut by applying tension to the sheet,
This is wound around a winder, and a bevel-cut rubber sheet can be obtained accurately in a short time. In addition, the cutter member of the bevel cutting machine has a hole formed in advance at the end of the rolled rubber sheet by the auxiliary cutter when the bevel cutting is started, and then the main cutter is inserted into this hole to end face of the rolled rubber sheet. Bevel-cutting facilitates bevel-cutting with the main cutter. Further, since the sheet stock member is provided, even when the gripping roll is stopped during the initial manual operation of the bevel cutting machine, the bevel cutting machine can be continuously operated without stopping the apparatus.

[Brief description of drawings]

FIG. 1 is a front view of a rubber sheet winding device according to the present invention.

FIG. 2 is a view showing a state where a moved sheet catcher grips a rolled rubber sheet.

FIG. 3 is a diagram showing a state in which the sheet catcher holding the rolled rubber sheet retracts to the vicinity of the holding roll and installs the rolled rubber sheet on the holding roll.

FIG. 4 is a plan view of a cutter member of the bevel cutting machine.

5 is a view of FIG. 4 viewed from the direction A. FIG.

FIG. 6 is a plan view of a sheet stock member.

FIG. 7 is a diagram showing a state in which a sheet stock member is operating to stock rolled rubber sheets.

[Explanation of symbols]

 1 Rubber Sheet Winding Device 2 First Conveyor Member 3 Rolled Rubber Sheet 4 Sheet Stock Member 5 Pressing Member 6 Sheet Catcher 7 Bevel Cut Machine 8 Gripping Roll 9 Gripping Roll 10 Cutter Member 11 Second Conveyor Member 12 Winding Machine 13 Liner 14 Main Roll 15 Sub Roll 23 Driven Roll 24 Drive Roll 25 Auxiliary Cutter 26 Main Cutter

Front page continuation (72) Inventor Katsuhiko Hirao 4-1-2-1, Hamazoe-dori, Nagata-ku, Kobe-shi, Hyogo Mitsuboshi Belting Co., Ltd. (72) Misao Fukuda 4-1-21, Hamazoe-dori, Nagata-ku, Kobe, Hyogo Prefecture Belt Co., Ltd. Examiner Hitoshi Miura

Claims (3)

[Claims] 1. A rubber sheet winding device that transports a rolled rubber sheet by a conveyor member and winds the rolled rubber sheet on a winder, and presses a first conveyor member that transports the rolled rubber sheet and the rolled rubber sheet that is moving. A sheet stock member which is pressed by a member and stored in a bent state,
At least two rolled rubber sheets and a sheet catcher that moves to the end of the first conveyor member to grip the rolled rubber sheet, set it on a gripping roll, and then retracts.
A bevel cutting machine that clamps a pair of gripping rolls to cut the end surface of the rubber sheet into a bias shape, and a winding machine that has a main roll that winds the bevel-cut rolled rubber sheet together with a liner and a sub roll that winds the liner. A rubber sheet take-up device comprising: 2. A bevel-cutting machine, at least two sets of gripping rolls for applying a tension to a rolled rubber sheet, an auxiliary cutter for making a hole in the rubber sheet, and a main part for penetrating into the hole and cutting the end face into a bias shape. The rubber sheet winding device according to claim 1, comprising a cutter. 3. The rubber sheet take-up device according to claim 1, wherein the gripping roll of the bevel cutting machine comprises a pair of a fixed driving roll and a movable driven roll.