JPH0643225B2 - Pre-splicing device for roll paper - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an improvement of a pretreatment device for splicing a web fed to a rotary press, and is used in a newspaper printing factory or the like.

(Prior Art) Generally, in a rotary press C, paper is fed to the rotary press C from a paper roll 1a rotatably supported on a supply reel D as shown in FIG.

Further, when the paper roll 1a runs out of paper due to the feeding of paper, the end of the paper roll 1a is adjacent to a new paper roll 1b.
The paper is continuously fed to the beginning end of the paper.

By the way, in order to smoothly join the papers, it is necessary to perform a so-called pretreatment for so-called paper splicing on the starting end portion of the new paper roll 1b which has been pre-crimped.
Pretreatment for paper splicing is performed manually.

That is, after supporting the paper roll on the supply reel D, 5 to 6 sheets of paper in the surface layer portion are removed by a cutter or the like, and then the starting end portion of the paper roll is shaped into a triangle.

Next, the front end of the starting end of the paper roll is attached and fixed to the outer peripheral surface of the paper roll 1 by the tab E, and the double-sided tape F for paper splicing is attached to the upper surface of the starting end which is shaped like a triangle. Finish as shown in the figure.

At the time of paper splicing, as shown in FIG. 14, first, the paper roll 1b which has been subjected to the paper splicing pretreatment is rotationally driven by the belt driving device G so that its peripheral speed becomes equal to the paper feeding speed. Adjusted to. In this state, when the end of the paper of the paper roll 1a is detected, the pressing device H is operated in the direction of the arrow, and the end of the paper of the paper roll 1a is pressed onto the adhesive tape F of the paper roll 1b. As a result, the paper is spliced.

(Problems to be solved by the invention) However, in the conventional pretreatment for paper splicing, all of the peeling removal of the surface layer of the paper roll, the shaping of the starting end of the paper into a triangle, the attachment of the double-sided adhesive tape, etc. Since it is done manually, there is a problem that it takes time and labor, the work efficiency is low, and the number of peeled sheets on the surface layer of the paper roll tends to increase, resulting in an increase in paper loss.

The present invention is intended to solve the above-mentioned problems in the pre-splicing pretreatment of the paper roll, and can automatically perform the splicing pretreatment of the paper roll with high efficiency and economically. The present invention provides such a processing device.

(Means for Solving the Problem) Means taken for solving the above-mentioned problem is to provide a table 3 on which a front end of a paper fed from a paper roll 1 is placed below a paper roll supporting device for supporting a paper roll. The traveling frame body 5 is rotatably supported by the guide rail 4 which swivels upward in the horizontal plane, the middle portion of the case 6 is rotatably supported by the traveling frame body 5 by the horizontal shaft 23, and the double-sided tape 27 can be paid out. Holding part 7a supported on
And an arm 7 that supports the double-sided tape 27 and pulls it out onto the paper.
c, a pressing roller 7g for sticking the pulled out double-sided tape onto the paper surface, and a cutter 7h for cutting the pulled out double-sided tape 27. The case 6 is used for forming the adhesive layer.
By rotating the rear side of the case 6 downward with respect to the moving direction of the case 6, the pressing roller 7g descends onto the double-sided tape 27 drawn to the upper surface of the paper fed onto the table 3, and the movement path of the case 6 Has a pressure-sensitive adhesive layer forming device 7 for forming a pressure-sensitive adhesive layer for paper splicing consisting of double-sided tape 27, and further comprises a cutter 8a and a cutter driving device 8a for lowering the cutter 8e onto the paper surface. A cut forming device which is located behind the layer forming device 7 and is attached to and supported by the case 6 to form a cut line a for separating the paper along the outer side for the adhesive for paper splicing on the paper fed out to the table 3. 8 is to have.

(Operation) The outermost surface layer near the start end of the paper roll 1 supported by the paper roll support device 2 is sucked upward by the suction device 22 to form a gap G between the main body of the paper roll 1 and the outermost surface layer, and Insert the cutter 8e into G to cut the outermost surface layer of the paper roll 1.

Next, the front end of the paper of the cut paper roll is fed onto the table 3, the double-sided tape 27 is attached in a V-shape on the paper surface by the adhesive layer forming device 7 and the notch forming device 8, and the outside of the double-sided tape 27. A V-shaped cut a is formed along this line.

After that, by cutting the paper along the cut a, the tip of the paper is shaped into a V-shape, and the tip of the V-shaped paper is adhered using a paper tape 26a supplied from the tab tape supply device 26. The double-sided tape 27 of the layer forming device 7 fixes the paper roll 1 to the main body side.

(Example) Hereinafter, the Example of this invention is described based on drawing.

FIG. 1 is a side view of a paper splicing pretreatment device according to the present invention, and FIG. 2 is a front view thereof. With reference to FIGS. 1 and 2, the paper splicing pretreatment device is installed at an appropriate position between a paper storage such as a printing factory and a rotary press paper feeding unit, and is carried in by a carriage A. Paper roll supporting device 2 for rotatably supporting the paper roll 1, a table 3 supported by a machine stand (not shown), etc., and a roll supporting device 2 positioned above the paper roll supporting device 2 so as to be rotatable in a horizontal plane. The guide rail 4, the traveling frame body 5 reciprocating along the guide rail 4, the case 6 in which the intermediate portion of the traveling frame body 5 is rotatably supported by the horizontal shaft 23, and the case 6 is housed in the case 6. It is formed by the adhesive layer forming device 7, the cut line forming device 8 and the like.

The paper roll support device 2 is fixed to the ceiling portion of the base frame 9, a pair of hanging frames 10 fixed to the base frame 9, and an elevating frame 11 arranged below the hanging frame 10 so as to be lifted and lowered. And a rotary support shaft 12 and the like mounted on the elevating frame 11 so as to move forward and backward,
The paper roll 1 is rotatably supported by holding both ends of the paper roll core 1a by the rotation support shaft 12.

In FIG. 1 and FIG. 2, 13 is a rotation driving part of the spindle, 14 is a front / rear / advance driving part of the spindle, 15 is an elevating / lowering drive part of the frame, 16 is a control panel, and 17 is winding tightening. Roller.

The table 3 is for placing the leading end of the paper fed from the paper roll 1, and is disposed and supported on the paper movement path via a machine base (not shown).

The guide rail 4 is supported by the base frame 9 so as to be rotatable about a vertical axis P in a horizontal plane above the table 3.

Further, a traveling frame body 5 is reciprocally inserted into the guide rail 4 as shown in FIGS. 3 and 4, and an intermediate portion of the case 6 is attached to the traveling frame body 5 by a horizontal shaft 23. It is rotatably supported. That is, a rack 18 is provided in the longitudinal direction inside the upper wall surface of the guide rail 4 having a U-shaped cross section, and a pinion 19 meshing with the rack 18 is provided.
The traveling frame body 5 is movably supported by the auxiliary guide rollers 20 on the guide rails 4.

Further, a motor 21 is attached to the traveling frame body 5, the pinion 19 is rotationally driven by the motor 21, and the guide rail 4 is horizontally rotated about the vertical axis P as a fulcrum. The traveling frame body 5 is
The paper roll 1 supported by the support device 2 reciprocates in a direction intersecting the feeding direction of the paper fed onto the table 3.

Further, on the lower surface side of the guide rail 4, a suction member 22a located above the paper roll 1 supported by the support device 2 and having a length substantially equal to the lateral width dimension of the web 1 and the suction member 2 are provided.
A suction device 22 including a fluid pressure cylinder 22b for moving the 2a up and down and a suction pump (not shown) connected to the suction member 22a through a flexible pipe 22c is attached.

The case 6 is formed in a rectangular box shape with an open bottom surface, and the upper part of the substantially central portion thereof is rotatable to the traveling frame body 5 by the horizontal shaft 23 as shown in FIGS. 3 and 4. It is supported.

Further, at the rear part of the case 6 (on the right side in FIG. 5), there are a roller 24a that rolls along the guide rail 4 and a roller 24a.
A case swing mechanism 24 including a solenoid 24c for vertically moving the support member 24b of a in three steps up and down is provided. With the case swing mechanism 24, the rear portion of the case 6 is supported by the horizontal shaft 23 as a fulcrum. By rotating the case 6 in the up / down direction, the case 6 brings the rubber roller 25a of the paper feeding device 25, which will be described later, into contact with the paper on the table 3 (the left side of the case 6 is lowered in FIG. 5). ), And a state in which the pressing roller 7g of the adhesive layer forming device 7 is brought into contact with the paper (the right side of the case 6 is lowered in FIG. 5), and both devices 7.25 are floated in a non-acting posture. It is switched to the horizontal state.

Inside the case 6, a paper feeding device 25, a tab tape feeding device 26, an adhesive layer forming device 7, a cut forming device 8 and the like are housed.

The paper feeding device 25 is arranged at the front end portion (the leftmost side in FIG. 5) of the case 6 and is composed of a rubber roller 25a and a speed control motor 25b for driving the roller.

Further, the tab tape supply device 26 includes a paper tape 26a.
And a pair of upper and lower rubber rollers 26b for feeding the rubber, and a stepping motor 26 for driving one rubber roller 26b
c and a cutter 2 for cutting the paper tape 26a into a predetermined length
6d, and a perforation mechanism 26e for forming a perforation for cutting in the middle of the tape 26a cut by the cutter 26d in the longitudinal direction.

As shown in FIGS. 5 and 6, the adhesive layer forming device 7 has a tape holding portion 7a for feeding the double-sided tape 27 which is rotatably supported by the wall surface 6a on the inner side of the case 6 and wound.
And the guide roller 7 that guides the tape 27 that has been fed out.
d, a guide roll 7e provided below the roller 7d and having a groove at the center, and a needle member 7f for piercing the adhesive tape 27 at the tip, and the needle member 7e is placed on the guide roller 7e.
Arm 7c that holds the tip of double-sided tape 27 by piercing f, stepping motor 7b that rotates arm 7c, and rotatably pivotally support double-sided tape 27 on the paper that is fed onto table 3. A pressing roller 7g for pressing, a cutter 7h for cutting the double-sided tape 27 fed out, and a tape removing member 7 for separating the double-sided tape 27 pierced and held by the needle member 7f from the needle member 7f.
i and i.

As shown in FIG. 5, the cut forming device 8 includes a guide shaft 8c provided upright in the case 6, and a rotary cutter 8e supported by the guide shaft 8c via a support rod 8d so as to be movable upward and downward. It is composed of a spring 8b for urging the rotary cutter 8e upward, a solenoid 8a for pressing the rotary cutter 8e downward by a predetermined size against the spring elasticity.

FIG. 7 shows an example of a sensor 28 for detecting the starting end of the paper roll 1. The sensor 28 has a laser oscillator 28a and a laser beam from the oscillator 28a via an objective lens 28b. A rotating mirror 28c for scanning upward and a photodetector 2 for detecting a laser beam diffused or diffracted at the end of the paper roll 1.
The photodetector 2 is composed of 8d and the like.
The position of the front end of the paper of the paper roll 1 is detected from the edge detection pulse of 8d.

Further, when the position of the front end of the paper of the paper roll 1 is detected, the detection signal is input to the control panel 16 of the paper roll supporting device 2,
The rotation of the paper roll 1 is stopped at the position where the front end of the paper faces the suction device 22. Next, a method for pre-bonding a web of paper according to the present invention will be described.

First, the paper roll 1 is supported by the support device 2, and the winding roller 17 is rotated in a state of being brought into contact with the supporting device 2 to rotate the paper roll 1 so that the surface layer portion of the paper roll 1 is wound.
The rotation of the paper is stopped at the position where the front end of the paper is the uppermost position (the position facing the suction device 22).

Next, the suction device 22 is lowered to suck up the outermost surface layer portion of the paper roll 1 that has been fastened, so that a gap G is formed between the main paper and the outermost surface layer portion of the paper roll 1 as shown in FIG. To form.

After that, the guide rail 4 is rotated to be parallel to the axis of the paper roll 1, the rotary cutter 8e of the cut forming device 8 in the case 6 is lowered to the cutting position, and then the traveling frame body 5 is fixed to the shaft of the paper roll 1. The paper roll 1 is moved in the core direction and the outermost surface layer of the paper roll 1 is cut.

When the cutting of the outermost surface layer portion of the paper roll 1 is completed, the paper roll 1 is rotated in the paper feeding direction, and a damage detection sensor (not shown) is used to detect the presence or absence of a scratch, and the tip thereof is placed on the table 3. When the paper roll 1 is fed up and no scratches are left, the rotation of the paper roll 1 is stopped.

Further, during that time, the guide rail 4 is rotated to a position obliquely intersecting with the axial direction of the paper roll 1 by 45 degrees.

After that, the arm 7c of the adhesive layer forming device 7 is rotated, the rear portion of the double-sided tape 27 pierced and held by the needle member 7f of the arm 7c is pulled out through the lower side of the pressing roller 7g, and the double-sided tape 27 is removed. It is pulled out from the needle member 7f by 7i (Fig. 9).

Next, the case swinging mechanism 24 of the case 6 is operated to lower the rear portion (right side in FIG. 5) of the case 6 to the operating position where the pressing roller 7g is pressed, and then the traveling frame 5 Is moved forward in the direction of arrow A, and the double-sided tape 27 is unwound and attached on the paper surface (FIG. 10).

When the double-sided tape 27 is extended to a predetermined position and attached, the traveling frame body 5 is stopped. Then, the arm 7c is rotated, and the needle member 7f of this arm 7c is moved to the groove roller 7e.
After piercing the double-sided tape 27 supported by, the double-sided tape 27 is cut by the cutter 7h (FIG. 11).

When the double-sided tape 27 is cut, the traveling frame body 5 is further moved in the direction of arrow A, and the free end portion of the double-sided tape 27 is surely attached to the paper surface.

After that, the rear of the case 6 is raised to a horizontal state, and the pressing roller 7g is raised to the non-acting position.

In this way, when the traveling frame body 5 moves forward, the double-sided tape 27 for splicing the paper roll 1 is attached along the movement path thereof.

After the double-sided tape 27 has been attached, the rotary cutter 8e of the cut line forming device 8 is lowered to the cutting action position, and then the traveling frame body 5 is moved backward so that the web 1 is closed along the moving path. The cut a is formed, and when the formation of the cut a is completed, the rotary cutter 8a is raised to the non-acting position.

Then, by changing the inclination direction of the guide rail 4 to the opposite direction and repeating the same operation, a V-shaped cut a is formed on the upper surface of the paper fed from the paper roll 1 in the state shown in FIG. Along with it, double-sided tape 27
Is attached.

In this embodiment, the double-sided tape 27 is attached when the case 6 goes forward, and the notch a is formed when the case 6 goes backward. However, when the case 6 goes forward or backward, the tape is formed. It is also possible to attach 27 and form the cut a at the same time.

After the formation of the cut a, the case 6 is rotated to lower the front portion (left side in FIG. 5), and the paper feeding device 25
The rubber roller 25a is pressed against the paper surface, and the rubber roller 25a is rotated in this state to break and separate the paper along the V-shaped cuts a and a (FIG. 12).

The separated paper with scratches or the like is collected in the paper collection carriage 28.

When the V-shaped shaping of the paper end is completed, the guide rail 4 is oriented in the direction perpendicular to the axis of the paper roll 1, and the case 6 is positioned at the center of the width of the paper roll 1.

Next, the rubber roller 26b of the tape supply device 26 is rotated, the paper tape 26a is fed out by a predetermined length, and then cut by the cutter 26d.

After that, the tab paper tape 26a cut into a predetermined length is
Using the double-sided tape 27 of the adhesive layer forming device 7, one end of the paper is attached to the top of the leading edge of the paper. The other end of the tab sheet tape 26a is attached to the main body of the paper roll 1 by using the double-sided tape 27 of the adhesive layer forming device 7 after rewinding the paper roll 1 slightly.

By the operation as described above, the pre-splice process of the rolled paper is completed (FIG. 14).

Although the outer surface layer of the double-sided tape 27 is usually protected by a protective paper, the protective paper may be automatically peeled off at the same time as the pre-splicing process, or if necessary, the paper feeding of the rotary press. You may peel off in a part.

(Effects of the Invention) In the present invention, so-called pre-splice processing of a paper roll is automatically performed, so that it is possible to significantly save labor and improve work efficiency.

Further, in the present invention, the case 6 is reciprocally attached to the guide rail 4 supported so as to be rotatable in a horizontal plane via the traveling frame body 5, and the adhesive layer forming device 7, the cut forming device 8 and the like are provided in the case 6. And the case swing mechanism 24
The pressing roller 7g of the adhesive layer forming device 7 is moved up and down by moving the rear part of the case 6 up and down.

As a result, the formation of the adhesive layer by the adhesive layer forming device 7 and the formation of the separation cut a by the cut forming device 8 are performed by the frame 5
Can be performed continuously during forward movement and forward movement, or at the same time during forward movement or backward movement, and the processing speed of pre-splice processing can be significantly increased, and the structure of the processing apparatus can be improved. It is possible to simplify.

As described above, the present invention has excellent practical utility.

[Brief description of drawings]

FIG. 1 is a side view of a paper splicing pretreatment device. FIG. 2 is a front view of a paper splicing pretreatment device. FIG. 3 is a front view of a guide rail, a traveling frame and a case. FIG. 4 is a side view of the guide rail, the traveling frame and the case. FIG. 5 is a front view of the case with the front cover of the case removed. FIG. 6 is a vertical sectional side view taken along the line AA of FIG. FIG. 7 is an explanatory view of the sensor. FIG. 8 is an explanatory view showing a suction state of the outer surface layer portion of the paper roll. 9 and 10 are explanatory views showing a pulled-out state of the double-sided tape and a stuck state on the paper surface. FIG. 11 is an explanatory diagram showing a cut state of the double-sided tape. FIG. 12 is an explanatory diagram showing a state in which the front end portion of the paper is separated. FIG. 13 is an explanatory view showing a fixed state of the front end of the paper with the tab tape. FIG. 14 is an explanatory view of a paper feeding state of a conventional rotary printing press. FIG. 15 is a perspective view of a paper roll which has been subjected to a paper splicing pretreatment by hand finishing. 1 is a paper roll, 2 is a paper roll support device, 3 is a table, 4
Is a guide rail, 5 is a traveling frame, 6 is a case, 7 is an adhesive layer forming device, 7a is a tape holding portion, 7b is a motor, and 7c.
Is an arm, 7e is a guide roller, 7f is a needle member, 7g is a pressing roller, 7h is a cutter, 7i is a tape removing member, 8
Is a notch forming device, 8a is a solenoid, 8b is a spring,
8c is a guide shaft, 8d is a supporting rod, 8e is a rotary cutter, 9 is a base frame, 10 is a hanging frame, 11
Is an elevating frame, 12 is a rotation support shaft, 13 is a support shaft rotation drive unit, 14 is a support shaft forward / backward drive unit, 15 is a frame elevation drive unit, 16 is a control panel, 17 is a winding roller, 18 is a rack, Reference numeral 19 is a pinion, 20 is an auxiliary guide roller, 21 is a motor, 22 is a suction device, 23 is a horizontal shaft, 24 is a case swing mechanism, 25 is a paper feeding device, 26 is a tab tape feeding device, 27 is a double-sided tape, 28 is Sensor, A is a dolly, P is a vertical axis of the guide rail support shaft, and a is a break.

Claims (1)

[Claims] 1. A table (3) on which a front end of a paper fed from a paper roll (1) is placed below a paper support device for supporting a paper roll, and a guide rail (which rotates in a horizontal plane above the table (3) is provided. 4) The traveling frame body (5) is movably supported, and the traveling frame body (5) is rotatably supported by the horizontal shaft (23) in the middle part of the case (6). Holding part (7a) that supports it freely
And an arm that supports the double-sided tape (27) and pulls it out onto the paper
(7c), a pressing roller (7g) for sticking the pulled out double-sided tape onto the paper surface, and a cutter (7h) for cutting the pulled out double-sided tape (27), and the case (6 ) The rear side of the case (6) is rotated downward with respect to the traveling direction, so that the pressing roller (7g) pulls out onto the upper surface of the paper fed onto the table (3).
(27) It has an adhesive layer forming device (7) that descends upward and forms an adhesive layer for paper splicing consisting of a double-sided tape (27) along the movement path of the case (6), and further has a cutter (8e ) And a cutter driving device (8a) for lowering the cutter (8e) onto the paper surface, which is located behind the adhesive layer forming device (7) and is attached to and supported by the case (6) to form a table ( 3) A paper splicing pretreatment device for a roll of paper, comprising a cut forming device (8) for forming a cut (a) for separating the paper along the outer side of the paper splicing adhesive layer on the paper fed to 3).