JP2647536B2 - Adhesive tape application device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adhesive tape sticking device and a substantially V-shaped cutting device used for tailoring a roll of paper to be supplied to a rotary printing press or the like.

[Conventional technology]

A conventional pressure-sensitive adhesive tape applying apparatus, which has been applied for a patent as Japanese Patent Application No. 63-8485, will be described with reference to FIGS.

FIG. 7 is an explanatory view of an adhesive tape sticking apparatus, FIG. 8 is an explanatory view of a roll paper tailoring apparatus, and FIG. 9 is a perspective view showing a tailoring state.

The tailoring of the rolled paper is mainly performed by cutting and removing the defective paper on the surface skin portion where the scratches, dirt, wrinkles, etc. have occurred at the paper mill or during the transportation, and after removing the surface skin, the side adhesive tape 34 is attached to the tip of the good paper portion. Pasting (see FIG. 9), substantially V-shaped cutting along the adhesive tape 34, widthwise cutting of the V-shaped top of the paper front end, removal of unnecessary paper generated at the leading end of the good paper portion, and the leading end adhesive tape 35 and the center tab There are various operations such as attaching (T tab) 36. 8th
As shown in the figure, as an example, the above-mentioned apparatus is one in which the apparatus for performing the above-mentioned steps is arranged in a plane with reference to a tailoring table 37 provided in a horizontal direction. A type in which tailing is performed while being fed onto the tailoring table 37 and held is employed. The structure and operation will be briefly described. First, after the web 1 is carried into a predetermined position below the tailoring device by a transport trolley,
The shaft center is clamped from both sides by chuck tip fittings, and is set to a predetermined position via a lifting device 38. Next, about 7 to 8 sheets of the surface skin paper remaining with dirt, scratches, etc. are cut in the axial direction of the take-up paper, and the defective paper portion is discharged to a downstream discharge portion by a transfer belt 39 composed of a belt and rollers and a feed roll 40. Then, the front end of the newly-developed paper section is fed out onto the tailoring table 37 and fixed. Thereafter, the side tape 34 is attached in a substantially V shape, and the outside along the side tape 34 is cut in parallel. The remaining tip top is cut in the width direction by a tailoring unit (not shown), and the tip adhesive tape 35 and the center tab 36 are attached. After all the above operations are completed, the leading end of the web is wound on the web side while being pressed by the rollers of the delivery belt 39, and is fixed to the peripheral surface of the web by the central tab 36. On the other hand, the cut unnecessary paper is wound by a winding device (not shown) and is discharged out of the device. The adhesive tape attaching device and the substantially V-shaped cutting device provided in the tailoring device of this type are provided at a fixed position (angle) in the traveling body 2 and sequentially move the front end of the web by the traveling movement of the traveling body 2. It has a special configuration on both sides of the V-shape.
A set of traveling bodies (tape attaching device and paper cutting device) 2 is required. The conventional web paper tailoring apparatus performs a series of tailoring operations on a table 37 which is provided in a horizontal direction and has a large installation area due to the structure of the apparatus. Unit) and its control are complex.

[Problems to be solved by the invention]

As described above, the conventional adhesive tape applying device and the paper cutting device provided in the conventional tailoring device are provided in a fixed position along the tape attaching direction in each traveling body, and are provided on a plane. The tape is pasted and cut into a predetermined shape on the front end of the paper by moving the running body with respect to the rolled paper fed out. A tailoring unit (running body) is required.

In addition, a large laying space is required in order to allow two sets of traveling bodies to run parallel and obliquely to the paper surface of the rolled paper fixed by being fed out onto a tailoring table so as to form a substantially V shape.

The present invention proposes to address these problems, and it is an object of the present invention to provide a small-sized and simple structure of an adhesive tape sticking device provided in a web winding and tailoring device. Means] After applying a substantially V-shaped adhesive tape to the front end of the paper roll,
In a device for cutting along the outer side of the tape, a tape provided with a brake for mounting the roll-shaped adhesive tape with a protective sheet and feeding out the adhesive tape, and braking the feeding of the tape at a predetermined operation timing. Reel device, tape feeding device that grips the front end of the adhesive tape and transports it to the initial setting position, sticking roller device that sequentially presses and sticks the adhesive tape on both the left and right sides in conjunction with the running of the take-up paper, close to the bottom of the adhesive tape sticking roller The tailoring unit for the rolled paper is constituted by the adhesive tape cutting device and the side cutter device that cuts the paper by engaging the outside of the attached left and right side tapes by changing the setting of the cutter mounting device.

[Action]

The adhesive tape sticking device having the above structure is provided, and the tape unit and the cutter (blade) are set in a predetermined direction and moved in the axial direction (width direction) of the web, and the front end of the web is substantially moved in conjunction with the movement of the cutter. If the front end of the paper roll is reciprocated by feeding it vertically or winding it up to the roll side, the adhesive tape can be attached diagonally due to the relative movement of the paper and tape unit and cutter.
At the same time, the tape can be cut along the outside. In this way, by the running of the web and the relative movement of the tape applying device, a substantially V-shaped side tape is applied at the front end of the paper required for tailoring with one set of the adhesive tape applying device, and along the tape. A trial is possible.

〔Example〕

1 to 5 are explanatory diagrams of the structure of the adhesive tape applying device according to the present invention, and FIG. 6 is an explanatory diagram of a setting and drive control method of the adhesive tape applying device.

1 to 6, reference numeral 1 denotes a web, 2 denotes a traveling body, 3 denotes a linear guide, 4 denotes a forward / backward moving cylinder, 5 denotes a bracket, 6 denotes a bearing unit, 7 denotes a mounting plate, and 8 denotes a base plate (frame). , 9 is shaft, 10 is pinion, 11 is cylinder, 12 is rack, 13 is guide, 14 is adhesive tape with protective sheet, 15 is tape reel, 16 is bearing, 17 is housing, 18 is shaft, 19 is brake, 20 is a guide roll, 21 is a tape guide, 22 is a tape sticking roller, 23 is a tape cutting cylinder, 24 is a fulcrum pin, 25 is an arm, 26 is a knife, 27
Is a tape retainer, 28 is a cylinder, 29 is a tape guide cylinder, 30 is a pin, 31 is a rotating plate, 32 is a cutter, 33 is a rotary actuator, 34 is a side tape, 41 is a pulley, 42 is a tightening nut, 43 Is a belt, 44 is a screw shaft, 45 is an adjustment nut, 46 is a spring, and 47 is a bracket.

As shown in FIGS. 1 and 2, a pressure-sensitive adhesive tape applying device according to the present invention is provided on a part of a traveling body 2 configured to move along the axial direction of a web 1 held horizontally via a loading device. The traveling body 2 is slidably supported by a linear guide 3 and is provided with a forward / backward moving cylinder 4.
The bracket 5 is mounted so as to reciprocate in the radial direction of the web 1 by the operation of. A bearing unit 6 is provided at an upper front end of the bracket 5, and supports a shaft 9 to which a base plate (frame) 8 is fixed via a mounting plate 7. At the rear shaft end of the shaft 9, a pinion 10 is meshed with a rack 12 which reciprocates by a telescopic operation of a cylinder 11 mounted on the bracket 5 via a key. In the figure
13 is a guide for guiding the rack 12 in a reciprocating motion. When the cylinder 11 is operated under the above configuration, the rack 12, the pinion
10. The shaft 9 can be rotated, and the base plate 8 fixed to the shaft 9 can be swung right and left by a predetermined angle. The tape reel 15 on which the adhesive tape 14 with a protective sheet is mounted is attached to the tip of a shaft 18 supported on the base plate 8 via a bearing 16 and a housing 17. In the drawing, reference numeral 19 denotes a brake for braking the rotation of the shaft 18 at a predetermined timing. 41 is a pulley attached to the shaft 18. A belt 43 is hung on the pulley 41, and one end of the belt 43 is attached to a bracket 47 attached to the base plate 8.
The other end is bolted to the screw shaft 44. Screw shaft 44
Can be inserted into a hole provided in the bracket 47, the tension applied to the belt 43 can be adjusted by the spring 46 and the adjustment nut 45, and the backing can be added to the adhesive tape 14 which is fed out. The adhesive tape 14 unwound from the tape reel 15 is wound under the guide roll 20, passes through the tape guide 21, and then moves the tape sticking roller 22 pivotally supported on the tip of the base plate 8 in the clockwise (rightward) direction in FIG. The adhesive tape 14 is a tip of an arm 25 that swings around a fulcrum pin 24 protruding from the base plate 8 by the operation of a tape cutting cylinder 23 suspended from the base plate 8. Is cut by a knife 26 fixed to the knives. In the drawing, reference numeral 27 denotes a tape press, which functions to press and hold the adhesive tape 14 against the tape guide 21 by the operation of a cylinder 28 whose rear end is supported by the tape guide unit. The tape guide unit is moved by the operation of a tape guide cylinder 29 suspended on the back surface of the base plate 8.
3 (a) and 3 (b) about a pin 30 protruding from the center.

Next, a substantially V-shaped cutting device along the adhesive tape 14 will be described. This cutting device is installed below the tape application roller 22 as shown in FIGS. The structure of this cutting device is composed of two cutters 32a and 32b arranged at right angles.
Is attached to a shaft end of a rotary actuator 33 fixed to a part of a tape guiding unit via a rotary plate 31. The cutter 32 is operated by the operation of the rotary actuator 33.
a or 32b is located on the right side or left side of the adhesive tape 14 to be affixed, and is configured to engage with the web 1 with a predetermined gap, and by the relative movement of the front end of the web 1 and the traveling body In addition, cutting along the adhesive tape 14 can be performed.

Next, the function (setting method) of the adhesive tape sticking apparatus according to the present invention will be described. First, the traveling body 2 equipped with the adhesive tape applying device and the substantially V-shaped cutting device is stopped corresponding to the end of the width of the web on the primary tailoring side, and then the tape applying unit is inclined in a predetermined direction. At the same time, the cutter 32 located outside the adhesive tape is set, and the leading end of the adhesive tape 14 rewound from the tape reel 15 is set as an initial state.
The guide roll 20 is wound and transported until it is positioned on the left side of the tape applying roller 22 in the drawing as shown by the solid line in FIG. Next, by extruding the front and rear cylinders 4, the tip of the adhesive tape 14 is attached to the web 1 via the tape applying roller 22. Thereafter, the operation of the tape presser 27 is released. Subsequently, the front end of the web is wound on the roll side, and the traveling body 2 is moved to the center in the width direction of the web. After applying the adhesive tape 14 to a predetermined length, the brake 19 is actuated to activate the tape reel 15.
By applying a brake to the rotation of the tape, the tension is added to the adhesive tape 14 located between the tape applying roller 22 and the tape guide device is retracted to the position shown in FIG. Drive the knife 25 at the tip of the arm 25
Cuts the tape 14. After cutting the adhesive tape 14,
Further, the web 1 and the traveling body 2 are moved relatively to each other so that the web 1 is securely stuck on the web 1 to the rear end of the tape. Next, the forward / reverse cylinder 4
, The tape applying roller 22 is released from the web 1, and the cut end of the adhesive tape is gripped by the tape guide 21 and the tape presser 27. Thereafter, the traveling body 2 is moved to the second tailoring side, and the web 1 is fed out in parallel with the traveling body 2 and reset to a predetermined position. Then, the adhesive tape affixing unit and the V-shaped cutting cutter are switched in the opposite direction,
29, the tip is transported to the initial position on the left side of the tape applying roller 22 while holding the tape. Thereafter, similarly to the above, the adhesive tape 14 is pasted and cut along the outside of the tape 1 by winding the web 1 and moving the traveling body 2 toward the center in the width direction of the web. Thus, tailoring of the substantially V-shaped both sides is completed. In addition, the travel distance accompanying the winding of the web 1 on the roll side
The relative relationship between S ₀ and the movement amount S in the width direction of the traveling body 2 is as shown in FIG. 6, where S = P × N (P = pitch of screw, N = number of rotations of screw), S ₀ = π × D × N ₀ (D = diameter of roll paper, N ₀ = rotation speed of roll paper), θ = Tan ⁻¹ S / S _{0 in the} figure.
Is controlled in accordance with the inclination angle of the pressure-sensitive adhesive tape unit (adhering device) of the present invention. Therefore, the angle (2θ in the figure) of the tailing end substantially V-shaped top can be formed at an arbitrary angle by setting the inclination angle of the adhesive tape attaching device and controlling the travel amount S _{0 of the} web and the travel amount S of the traveling body. . As described above, the pressure-sensitive adhesive tape applying device according to the present invention is configured so that the web is moved in the vertical direction by feeding or winding the web and correspondingly moved in the web width direction. This makes it possible to sequentially prepare both sides of the substantially V-shaped front end of the web.

〔The invention's effect〕

The adhesive tape applying device according to the present invention is a tape reel device equipped with a brake for mounting and feeding a roll-shaped adhesive tape with a protective sheet and controlling the feeding of the tape at a predetermined operation timing, and holding the front end of the adhesive tape. A tape feeding device for transferring the adhesive tape to an initial setting position, a sticking roller device for sequentially pressing and sticking the adhesive tape in conjunction with the running of the web, an adhesive tape cutting device installed under the adhesive tape sticking roller, and setting of a position. By providing a side cutter device that cuts the front end of the web by engaging the outside (right or left) of the side tape attached by the change,
It has the following effects.

In tailoring a roll of paper, a side tape is generally applied in a substantially V-shape (trapezoidal toward the front end) at the leading end of the paper, and the paper is cut along the outside of the tape. Therefore, after setting the angle of the tape unit or the like in a predetermined direction, it is necessary to move the unit in the width direction of the paper and to run the front end of the web by feeding or winding the web.

The apparatus according to the present invention includes a tape unit and a cutter (blade) at two positions in the left and right directions with respect to the paper traveling direction on a plane.
Can be set, it is possible to perform tailoring processing on both sides in substantially two directions in one direction with a single adhesive tape attaching device. For this reason, it has become possible to make the whole roll paper tailoring device including the adhesive tape sticking and cutting means (device) into a small and simple structure.

[Brief description of the drawings]

1 to 6 show an embodiment of the adhesive tape sticking apparatus of the present invention. FIG. 1 is a side view, FIG. 2 (a) is a view taken in the direction of arrow A in FIG. 1, and FIG. () Is a view on arrow B in FIG. 2 (a).
3A and 3B are explanatory diagrams of the operation of the tape guide mechanism. FIG. 3A shows a non-operating state (retreat position), FIG. 3B shows an operating state (moving device),
(C) shows the positional relationship of each member when cutting the tape. 4th
Fig. 5 is a side view of the cutting device, Fig. 5 is a view taken in the direction of arrow P in Fig. 4, (a) shows a state where the right side of the side tape is cut, and (b) shows a state where the left side of the side tape is cut. FIG. 6 is an explanatory diagram of a setting and drive control method of the device of the present invention. FIG. 7 is a side view of a conventional adhesive tape sticking apparatus, FIG. 8 is a perspective view of a conventional tailoring apparatus, and FIG. 9 is a perspective view showing a tailoring state of web paper. 1 ... web paper 2 ... traveling body 3 ... linear guide, 8 ... base plate 10 ... pinion, 12 ... rack 15 ... tape reel, 21 ... tape guide 22 ... tape affixing roller, 26 ... ... Knife 27 ... Tape holder, 31 ... Rotating plate 32 ... Cut

Claims (1)

(57) [Claims] 1. A tape reel device for feeding a roll-shaped adhesive tape with a protective sheet and braking the tape at a predetermined operation timing, and a tape feeding device for gripping a front end of the adhesive tape and transferring it to an initial set position. A sticking roller device that sequentially presses and sticks the adhesive tape on both the left and right sides in conjunction with the running of the web, an adhesive tape cutting device that is installed close to below the sticking roller, and a setting change of the cutter mounting position, thereby sticking. And a side cutter device for engaging the outside of the left and right side tapes and cutting the front end of the web.