JPH0679695A - Cutting method for pressure adhesive paper - Google Patents

Abstract

PURPOSE:To enhance the cutting efficiency by drawing out pressure adhesive sheets of paper parallel in lines from a plurality of sheet rolls set on an unreel stand, slitting into desired widths if necessary, cutting lay respective cutters provided on the lines, and stacking in a set the cut sheets situated up and down among the lines. CONSTITUTION:In a plurality of lines, pressure adhesive sheets of paper 3a, 3b are drawn out from a plurality of sheet rolls 2 set on an unreel stand 1, slitted if necessary into desired widths, and cut by respective cutters 5a, 5b provided on the lines. The cut sheets 6a, 6b situated up and down among the lines are placed in a set on a decelerative conveyor 7, sent to a ray-boy 8, and stacked. This allows enhancement of the cutting efficiency without risk of extrusion of glue from the cut surfaces when the sheet roll is cut to produce pressure adhesive sheets and enables stacking on the ray-boy smoothly in the proper form.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for cutting roll-up adhesive paper.

[0002]

2. Description of the Related Art Adhesive paper makers usually cut a roll of adhesive paper into sheets each having a predetermined size by a cutter. That is, the roll-up adhesive paper is suspended on the unreel stand of the cutter device, the adhesive paper is pulled out from the roll-up adhesive paper, slit to a desired width if necessary, and then cut with a cutter in the width direction. It is put into a sheet, put on a deceleration conveyor, sent to the layboy, accumulated, and sent to the next process.

In the method of cutting the roll-up adhesive paper into sheets, as a method of improving the cutting efficiency, Increase the operating speed of the cutter. ． Cut multiple sheets of adhesive paper at the same time. There is a method such as combination with. However, even if the method is adopted, when the number of stacked sheets increases, the pressure of the cutter blade causes a large amount of adhesive to stick out from the cutting surface, which adversely affects the quality of the sheet. Even if this method is adopted, the maximum number of sheets that can be cut at one time is two at most. For this reason, the development of a new technique for increasing the cutting efficiency has been a problem.

[0004]

DISCLOSURE OF THE INVENTION The present invention is to cut a roll of adhesive paper into a sheet of adhesive paper, improve the cutting efficiency without causing the adhesive to stick out from the cutting surface, and smoothly operate normally. It is an object of the present invention to provide a cutting method that can be accumulated in Rayboy in various forms.

[0005]

According to the present invention, an adhesive paper is pulled out in a plurality of series from a plurality of roll-up adhesive papers suspended on an unreel stand, slit to a desired width if necessary, and then installed in each series. It is characterized in that it is cut by a cutter, and the upper and lower cut adhesive papers between the series are set, placed on a deceleration conveyor, and fed to a layboy for accumulation.

[0006]

The cutting method for adhesive paper according to the present invention is a kind of cutting method using a double cutter, but is different from the conventional cutting method using a double cutter.

The conventional cutting method using a double cutter is as follows:
It has two cutter parts that can operate independently, and one sheet can be selected from the winding sheet suspended on the unreel stand.
This is a method of drawing out in series, slitting this into a desired width if necessary, and then cutting into different dimensions with each cutter.

On the other hand, in the cutting method using the double cutter according to the present invention, a plurality of winding adhesive papers are suspended on the unreel stand, the adhesive papers are drawn out in a plurality of series, and the adhesive papers drawn out in each series are drawn. This is a method of slitting each to a desired width if necessary, and then cutting with a cutter installed in each series. The method of drawing out the take-up adhesive paper differs from the conventional cutting method with a double cutter.

In the present invention, as a form in which the adhesive paper is pulled out from the unreel stand in a plurality of series, a plurality of winding adhesive papers suspended in a series of unreel stand is pulled out in a plurality of lines, and a plurality of adhesive papers are drawn from the beginning. There is a method of pulling out a plurality of roll-up adhesive papers that are suspended on the unreel stand and making them into a plurality of series, but any method may be used.

Also in the present invention, when pulling out the take-up adhesive paper in a plurality of series, the number of sheets which can be overlapped and cut in each series is
In order to prevent the glue from sticking out on the cutting surface, the maximum limit is two sheets, but still, for example, two rolls of adhesive paper
It is possible to cut 4 pieces at a time by drawing out in series and cutting 2 sheets in each series, and similarly, drawing out in 3 series and cutting 6 sheets at a time by cutting 2 sheets in each series. Therefore, the cutting efficiency is far superior to the conventional one-line drawing method.

Thus, the present invention differs from the conventional method of cutting with a double cutter in that the method of drawing the take-up adhesive paper is different, and therefore the adhesive paper after cutting with the cutters installed in each series is transferred to the deceleration conveyor. When the sheets are placed, it is important that the cut adhesive paper is always on the cut adhesive paper in the preceding stage and overlaps with a position displaced to the rear. For that purpose, it is desirable that the upper and lower cut adhesive papers between the series are set, and that the leading edges or the trailing edges of the sheets constituting the set are not displaced.

If the upper and lower trimming adhesive sheets between the series are not placed in a set and are placed on the speed reducing conveyor in a random form, the trimming adhesive paper is on the preceding trimming pressure sensitive adhesive sheet, and is somewhat rearward. This is because the sheets cannot be stacked in the normal shape with the positions shifted, and if they are placed and transferred in a random shape, the adhesive papers cannot collide with each other when stacking on the Rayboy. .

As a method for controlling the deviation between the leading end portion or the trailing end portion between the paper sheets constituting the set, an optical method using a photoelectric tube or a laser beam is used after the cutter portion in each series. If a sensor is installed, the front edge or the non-edge portion of the cut adhesive paper is detected, and this is fed back, and if there is a deviation, the cutting timing of the cutter can be adjusted so that it is aligned. .

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a cutter device showing a state in which a method for cutting adhesive paper according to the present invention is being carried out. In the figure,
1a and 1b are unreel stands, each with 2
The roll-up adhesive papers 2 are suspended one by one, and the two rolls of 3a and 3b are pulled out in a set of two sheets. Next, since the strip-shaped adhesive paper drawn out in the two series is slit into a desired width, it is slit by the slitters 4a and 4b provided in each series. The adhesive paper after slitting is the cutter 5 provided in each series.
It is cut into a predetermined size by a and 5b. The cut adhesive paper 6a, 6b is set as a set and the deceleration conveyor in the next process
It is placed on 7 and sent to Rayboy 8 for collection. It should be noted that the optical sensor (photoelectric tube) 9 indicates the degree of misalignment of the front end portion or the rear end portion between the respective sheets constituting the set when set.
Detect with. When a deviation is detected, a signal to that effect is fed back to the cutters 4a and 4b to adjust the cutting timing of either cutter so that there is no deviation.

By doing so, the take-up adhesive paper can be cut into four pieces at a time without the adhesive sticking out on the cut surface, and the cutting efficiency can be improved.

[0016]

EFFECT OF THE INVENTION When the adhesive paper roll is cut into sheets by a cutter, it has been limited to cut two sheets at a time so as to prevent the adhesive from sticking out on the cutting surface. According to the cutting method of the present invention, it is possible to cut three or more pieces at a time while maintaining the quality without squeezing out the glue from the cutting surface, and it is possible to significantly improve the cutting efficiency of the related art, and to smoothly cut it. Has the advantage that it can be integrated into Rayboy in its normal form.

[Brief description of drawings]

FIG. 1 is a side view of a cutter device according to an embodiment to which a cutting method of the present invention is applied.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Unreel stand 2 ... Winding adhesive paper 3a, 3b ... Strip adhesive paper 4a, 4b ... Slitters 5a, 5b ... Cutters 6a, 6b ... Cut adhesive paper 7 ... Deceleration conveyor 8 ... Rayboy 9 ... Optical sensor

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification number Internal reference number FI Technical display location // C09J 7/02 JKZ 6770-4J (72) Inventor Shuuo Hojo 4-chome, Jokoji, Amagasaki City, Hyogo Prefecture 3rd-1 Kanzaki Paper Manufacturing Co., Ltd. Kanzaki Mill

Claims (3)

[Claims] 1. Adhesive paper is drawn out from a plurality of roll-up adhesive papers suspended on an unreel stand in multiple series, slit into a desired width if necessary, and then cut by a cutter installed in each series, and between the series. A method for cutting adhesive paper, characterized in that the upper and lower cut adhesive papers are set as a set, placed on a deceleration conveyor, and fed into a layboy for stacking. 2. The method of cutting an adhesive paper according to claim 1, wherein when the adhesive paper is cut and placed on a deceleration conveyor, the adhesive paper in the set state is controlled so as not to be displaced. 3. As a control method, an optical sensor installed at the latter stage of the cutter section in each series is used for detection, and this is fed back. The method of cutting an adhesive paper according to claim 2, wherein the timing is adjusted.