JP2554578B2 - Rubber sheet automatic 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 automatic take-up device, and more specifically, a vulcanized rubber sheet used for waterproofing for civil engineering is preliminarily stacked in a predetermined width and then folded. The present invention relates to an automatic winding device for a rubber sheet wound around a wound body such as a paper tube.

[0002]

2. Description of the Related Art Conventionally, when producing a vulcanized rubber sheet used for waterproofing for civil engineering, ethylene mixed with a Banbury mixer is used. propylene. A rubber composition containing terpolymer or butyl rubber as a main component was formed into a sheet by an extruder, and after continuously vulcanizing the sheet, Japanese Patent Publication No. 52-
A vulcanized rubber sheet is joined by a joint press by a method as disclosed in Japanese Patent No. 36545 to have a width of 8 to 10 m.
It has a wide sheet. This wide sheet is 10-12
After being manually folded and folded into a bellows shape by a human operator, the folding sheet is manually wound around a paper tube and then packaged. Particularly, in the work of winding the folding sheet around the paper tube, the paper tube is placed on the folding sheet placed on the substrate, and the sheet is manually wound around the paper tube.

[0003]

However, the step of winding the folded rubber sheet around the paper tube depends on the operator and is extremely harsh work for the operator, which requires a considerable amount of time. It was strongly desired to rationalize these processes. Further, since this winding work needs to be performed by a plurality of workers as a set, if one or two workers are lacking, it is difficult and time-consuming to uniformly wind the rubber sheet. there were. The present invention solves such a problem, and provides an automatic winding device for a rubber sheet that automates and rationalizes the process of winding a wide sheet folded and overlapped with a predetermined width around a cylindrical winding body. The purpose is to

[0004]

That is, according to the present invention which meets the above object, in a rubber sheet automatic winding device for winding a rubber sheet which is folded and overlapped with a predetermined width on a winding body, the folded rubber sheet is used. The end of can be moved up and down
A sheet catcher which is gripped and lifted by a plurality of rolls, a storage unit which stores at least one winding body, a pusher which moves the winding body supplied from the storage unit by pressing against a rubber sheet, and the winding unit. It is composed of a take-up roll unit that winds a rubber sheet around the winding body by installing the rotation body and rotating it.

Further, according to the present invention, there is provided a sheet catcher comprising a vertically moving main roll, a sub roll, and at least one vertically moving pressing roll, wherein the main roll and at least one pressing roll hold a rubber sheet,
A gate for opening and closing the inlet is provided, and a storage unit for the wound body that controls the outlet of the wound body, a winding roll unit in which one winding roll is tiltable with respect to the axis of the other winding roll, and Alternatively, it also includes an automatic winding device for a rubber sheet, which includes a winding roll portion provided with a movable tension roll that abuts the rubber sheet wound around the winding body.

[0006]

In the present invention, the front end of the pre-folded rubber sheet is grasped and lifted by the sheet catcher, the gate of the storage section is subsequently opened to supply the wound body, and the wound body is operated by the pusher. by moved while pressed against the rubber sheet was placed on the winding roll portion, thereafter abutting the tension roll to the rubber sheet to rotate the roll portion preparative take-opens the sheet calibration char by,
The rubber sheet can be automatically wound around the winding body. Then, when the winding of the rubber sheet is completed, out of the winding roll portion, the wound body was wound <br/> with a rubber sheet by causing tilting one of the winding roll with respect to the axis of the other winding roll Can be rolled out of the take-up roll.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a perspective view of a folded rubber sheet used in the device of the present invention, FIG. 2 is a schematic front view of an automatic winding device for a rubber sheet according to the present invention, and FIG. 3 is a partially enlarged view of FIG.
FIG. 4 is a view as seen from the direction CC of FIG. 3. The folded rubber sheet 1 is formed by bending a wide rubber sheet a plurality of times in the length direction. In the device of the present invention, a wide rubber sheet is wound in the width L direction. The rubber sheet automatic winding device 2 of the present invention includes a sheet take-out / conveying section 3 for carrying the folded rubber sheet 1, a sheet charter 4 for gripping and lifting an end portion of the rubber sheet, and at least one winding body. And a storage unit 5 for storing the rolls, and a pusher 6 for moving the supplied wound body by pressing it against a rubber sheet.
And a finishing roll 8 configured to wind and roll the wound body, which includes a winding roll portion 7 for rotating the wound body.

As shown in FIG. 2, the sheet take-out / conveying section 3 is inclined so as to raise the folded rubber sheet 1.
It has a conveyor belt 10 which is made. The conveyor belt 10 includes a drive shaft 11, a driven shaft 12, and a plurality of guide rolls 13 and tension rolls 14 arranged between these shafts.
And is suspended with a predetermined tension . Prime mover 15 is con by transmitting power to the drive shaft 11 via the bell <br/> bets 16
The bear belt 10 is running .

When the front end portion 18 of the rubber sheet separates from the sheet take-out / conveying portion 2, the sheet catcher 4 operates. As shown in FIGS. 3 and 4, the sheet catcher 4 includes a main roll 20 and a sub roll 21 arranged vertically.
And at least one connected to the vertically moving frame 22
It consists of a pair of press rolls 23. That is, the pillars 24 having an H-shaped cross section are installed so as to face each other, and the elongated cutout holes 25 and the two guide rails 2 are formed on the surface of the pillars.
6 are arranged vertically. And the above-mentioned pillar 24
A window frame-shaped frame 27 is installed between the two sliding members 28 mounted on the side surface of the frame 27.
Are fitted to the two guide rails 26, respectively. The connecting member 29 of the frame 27 is located in the cutout hole 25 and is fixed to the rod 31 of the main cylinder 30 provided on the outside of the support column 24.
It moves up and down by the operation of 0.

The frame 27 is equipped with a main roll 20, a sub roll 21, and at least one set of pressing rolls 23 positioned in the vertical direction, and one set of pressing rolls 23 is two guides fixed to the inner surface of the frame 27. It is movably attached to the rail 35 via a connecting member 36. The pair of pressing rolls 23 moves in the vertical direction by the operation of the sub cylinder 37.

According to the operation of the above-mentioned sheet catcher 4, when the leading end portion 18 of the rubber sheet is separated from the sheet take-out / conveying portion 3 and positioned on the upper main roll 20, the pair of pressing rolls 23 is operated by the operation of the auxiliary cylinder 37. Is lowered, and the pressing roll 23 and the main roll 20 grip the tip end portion 18 of the rubber sheet. Then, in this state, the main cylinder 30 is actuated to fix the frame 27 and the frame 27 to the frame 27 .
The main roll 20 and the sub roll 21 move upward. That
Te, the secondary rolls 21 of the lower main roll 20 of the original upper reaches until the place was located, movement of the frame 27
It is stopped. As a result, the rubber sheet 1 becomes the main roll 2
Lifted by 0, then the wound body 40 pusher 6 is moved in pressure contact with the rubber sheet 1 is operated.

As shown in FIG. 3, the pusher 6 comprises a rod 43 which is moved by the operation of the cylinder 42, and a pressing portion 44 attached to the tip of the rod 43. The pusher 6 moves one winding body 40 supplied from the storage unit 5 that stores the winding body 40 such as a paper tube, is lifted and surrounded by the rubber sheet 1, and further moves the winding body 40. Then, it is installed on the rotatable winding roll unit 7. The storage unit 5 has a gate opening / closing device 50, and supplies one winding body 40. There are two opening / closing devices 50. When the cylinder 51 is operated, the stopper plate 52 is projected to stop the movement of the winding body 40, and when the stopper plate 52 is retracted, the gate is opened and the winding body 40 is rolled by its own weight. Let out.

The take-up roll unit 7 is composed of a rotatable drive-side take-up roll 54 and a driven-side take-up roll 55 which are arranged in parallel at a distance, and a belt is placed between these take-up rolls. It is hung. The one drive-side winding roll 54 is connected to the prime mover 57 via the belt 56. When the prime mover 57 is activated, the take-up rolls 54 and 55 on the drive side and the driven side rotate. In addition, above the winding roll unit 7, there is a tension roll 60 that moves up and down by the operation of the cylinder 61, and contacts the rubber sheet 1 wound around the winding body 40 so that the rubber sheet 1 is attached to the winding body 40. Make sure to wrap it. The tension roll 60 does not need to be arranged at the position shown in the figure, and may be abutted in an inclined shape, for example.

A frame 62 is mounted between the drive-side and driven-side take-up rolls 54 and 55, and the driven-side take-up roll 55.
Is connected to the rod 64 of the cylinder 63, and when the cylinder 63 is operated, the take-up roll 55 on the driven side turns about the rotation axis of the take-up roll 54 on the drive side. The winding body 40 installed between the drive-side and driven-side winding rolls 54 and 55 moves to the finishing section 8 made of a carrier while rolling, and the winding body 40 wound with the rubber sheet 1 is packed. To be done.

Next, the operation of the automatic rubber sheet winding device 2 will be described. First, the rubber sheet 1 folded in advance by other means is conveyed to the sheet take-out / conveyance unit 3, and the sheet take-out / conveyor unit 3 is activated to set the tip end portion 18 of the rubber sheet on the main roll 20 above the sheet catcher 4. Then, the pressing roll 23 descends and grips the tip portion 18 of the rubber sheet. This state is shown in FIG. Thereafter, as shown in FIG. 6, to raise the frame 27 in this state, and the lower side of the sub-roll 21 reaches until where the main roll 20 in the original upper was located, this movement
To stop. As a result, the rubber sheet 1 is the main roll
The rubber sheet 1 is lifted by 20, and the rubber sheet 1 is installed on the auxiliary roll 21.

Then, as shown in FIG. 7, the opening / closing device 50 of the storage unit 5 is operated to open the gate, the winding body 40 such as a paper tube is rolled by its own weight, and the winding body 40 is moved by the operation of the pusher 6. The wound body 40 while being pressed against the rubber sheet 1.
Make move up to the take-up roll portion 7. Thereafter, the tip end portion 18 of the rubber sheet is opened, the sheet take-out / conveying portion 3 and the winding roll portion 7 are activated, and the tension roll 60 is further lowered to wind the rubber sheet 1 around the winding body 40.
Contact. As a result, the rubber sheet 1 is automatically wrapped around the wound body 40.

When the end portion of the rubber sheet 1 is detected, the rotation of the sheet take-out / conveying section 3 and the take-up roll section 7 is stopped and the tension roll 60 is raised to move the driven side, as shown in FIG. When the take-up roll 55 is swung with respect to the drive-side take-up roll 54, the winding body 40 automatically rolls out from the take-up roll section 7 in the direction of the arrow in the figure and moves to the finishing section 8 which is a transport body. And then packed here.

[0018]

As described above, according to the present invention, the tip of the pre-folded rubber sheet is grasped and lifted by the sheet catcher, and then the gate of the storage section is opened to supply the wound body, and the wound body is wound. The attached body is pressed against the rubber sheet by the operation of the pusher, moved and placed on the take-up roll section, and then the sheet catcher is opened and the take-up roll section is rotated to automatically move the rubber sheet. Since it can be wrapped around a winding body, it has become possible to save labor. Then, when the winding of the rubber sheet is completed, one of the pair of winding rolls, the wound body wound rubber sheet by causing tilting one of the winding roll with respect to the axis of the other winding roll automatically It can be taken out from the take-up roll.

[Brief description of drawings]

FIG. 1 is a perspective view of a folded rubber sheet used in the present invention.

FIG. 2 is a front view of the rubber sheet automatic winding device according to the present invention.

FIG. 3 is a partially enlarged view of FIG.

FIG. 4 is a side view of FIG. 3 viewed from the direction CC.

FIG. 5 is an operation diagram showing a state in which the tip of the rubber sheet is gripped by the sheet catcher.

FIG. 6 is an operation diagram showing a state in which a front end portion of a rubber sheet is lifted by a sheet catcher.

FIG. 7 is an operation diagram showing a state where the wound body is pushed by a pusher and installed on the winding roll unit.

FIG. 8 is an operation diagram showing a state in which the winding roll rotates and the winding body automatically rolls out.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rubber sheet 2 Automatic take-up device for rubber sheet 3 Sheet take-out / conveying section 4 Sheet catcher 5 Storage section 6 Pusher 7 Take-up roll section 40 Wrapping body 50 Opening / closing device 51 Opening / closing device 54 Drive side take-up roll 55 Driven side take-up Roll 60 tension roll

 ─────────────────────────────────────────────────── ─── Continuation of the front page Examiner Yasushige Hashimoto (56) References JP-A-1-150662 (JP, A) JP-A-58-202238 (JP, A) JP-SAI-KAI 1-174358 (JP, U)

Claims (5)

(57) [Claims] 1. An automatic winding device for a rubber sheet, in which a rubber sheet folded and stacked to have a predetermined width is wound around a winding body, and an end portion of the folded rubber sheet can be moved up and down.
A sheet catcher which is gripped and lifted by a plurality of rolls, a storage unit which stores at least one winding body, a pusher which moves the winding body supplied from the storage unit by pressing against a rubber sheet, and the winding unit. An automatic winding device for a rubber sheet, characterized by comprising a winding roll unit for winding a rubber sheet around the winding body by installing an attachment body and rotating the attachment body. 2. The sheet catcher comprises a vertically movable main roll, a subsidiary roll, and at least one vertically movable press roll, and the main roll and at least one pressure roll grip a rubber sheet. The automatic winding device for the rubber sheet described. 3. The automatic take-up device for a rubber sheet according to claim 1, wherein a storage part for storing at least one wound body has an opening / closing device at its entrance. 4. The automatic winding device for a rubber sheet according to claim 1, wherein in the winding roll section, one winding roll is rotatable with respect to the axis of the other winding roll. 5. The automatic take-up device for a rubber sheet according to claim 1, wherein the take-up roll portion is provided with a movable tension roll that comes into contact with the rubber sheet wound around the winding body.