JPH0818736B2 - Web take-up 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 web winding device for paper, plastic film, metal foil and the like.

[0002]

2. Description of the Related Art Conventionally, a web winding device as disclosed in Japanese Patent Publication No. 62-60337 has been proposed. This web take-up device has a pair of first and second take-up drums arranged side by side, and has take-up cores that are carried in and out of the valleys of the upper surfaces of both take-up drums. The core is rotated by rotating in the take-up direction, and the web is wound around the core by winding and guiding the web on the drum surface of the first winding drum of one of the two winding drums. It is supposed to be introduced to form a winding roll.

[0003]

However, in the prior art, when the web is relatively thick, the end of the web joined to the cylindrical surface of the take-up roll and the web joined to the take-up core are used. The starting end is relatively hard, and the winding property on the corresponding winding roll or winding core is poor. For this reason, it is difficult to automate or machine the work of joining the end of the web to the cylindrical surface of the winding roll or the work of joining the start of the web to the winding core.

According to the present invention, in the web winding device, the work of joining the end portion of the web to the cylindrical surface of the take-up roll or the work of joining the starting end portion of the web to the take-up core is performed over a wide range of thickness of the web. The purpose is to facilitate.

[0005]

The present invention has a pair of first and second winding drums juxtaposed with each other, and a winding core that is loaded into and unloaded from the upper valleys of both winding drums. The core is rotated by rotating both winding drums in the winding direction, and the web is wound around and guided on the drum surface of the first winding drum of one of the winding drums. In a web winding device that forms a winding roll by introducing a web around the core, a predetermined end portion of the web joined to the cylindrical surface of the winding roll and a predetermined start portion of the web joined to the winding core. at least one of, in the web width direction Tajomizo
The web of the end portion to be provide Reinforced Jo ruled line processing and the beginning scheduled portion of
A ruled line processing tool for softening at least one of them is provided.

[0006]

Even if the web is relatively thick, the end portion of the web joined to the cylindrical surface of the take-up roll and the start portion of the web joined to the take-up core are provided with ruled lines in the web width direction. Makes it softer and improves the winding property on the corresponding winding roll or winding core. Therefore, the work of joining the end of the web to the cylindrical surface of the take-up roll or the work of joining the start of the web to the take-up core can be facilitated over a wide range of thickness of the web.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a schematic view showing an example of a web winding device,
2 is a schematic view showing an example of a web splicing device, FIG.
Is a schematic view showing a web cutting device of the splice device, FIG.
Is a schematic view showing a tape applying device of the splice device, FIG.
Is a schematic diagram showing a tape applying device of the winding device, and FIG.
7 is a schematic diagram showing an example of a ruled line processing tool, FIG. 8 is a schematic diagram showing another example of a ruled line processing tool, and FIG. 9 is a schematic view showing a sheet passing conveyor. FIG. 10 is a schematic diagram showing a winding roll discharge device.

The web winding device 10 is, as shown in FIG.
The first and second pair of take-up drums 11 and 12 are arranged side by side, and the take-up drums 13 and 12 have take-up cores 13 which are carried in and out of the upper surface valleys of the take-up drums 11 and 12, respectively. 1
Rotating the core 13 by rotating 2 in the winding direction, and winding and guiding the web 1 on the drum surface of one of the winding drums 11 and 12 of the first winding drum 11. Then, the web 1 is introduced around the core 13 to form the winding roll 3.

The web 1 is slit from the material roll 2 to a predetermined width by a slitter 16 provided in the web feeding line 15, and then passes through the first winding drum 11 and then the above-mentioned material. When the winding roll 3 is completed by winding the core 13 by a certain amount, the winding roll 3 is discharged to the cradle 17.

At this time, both winding drums 11 and 12 are supported on the frame 10A and driven by a drive motor (not shown).

Further, as shown in FIG. 10, a take-up roll discharge cylinder 18 is provided on the gantry 10A. The take-up roll discharge cylinder 18 drives the left and right discharge arms 18A that are pivotally mounted around the rotation axis of the first take-up drum 11 and swing on both sides of the take-up drum 11 to complete the winding on the core 13. Take-up roll 3 and double take-up drum 1
It is discharged by being pushed out to the cradle 17 side from the valleys of the upper surface of Nos. 1 and 12. The left and right discharge arms 18A are pivotally attached to the tip of the discharge arm 18A and are opened and closed by a holder cylinder 19A.
It is configured to have an extruding roller 18B that is extended between the tips of 9B and extrudes while rolling the surface of the winding roll 3 while rolling.

The core 13 is held in a core holder 19B pivotally attached to the discharging arm 18A, and the discharging arm 18A
After being transferred to the valleys on the upper surfaces of the two winding drums 11 and 12 by swinging, the holder cylinder 19A is opened to carry the cores from the core holder 19B into the valleys.

Further, both ends of the core 13 carried into the valleys of the upper surfaces of the winding drums 11 and 12 are chucked by the core chuck 21. The core chuck 21 is lifted up along a slide guide 22 provided on the pedestal 10A according to the winding weight of the winding roll 3 generated around the core 13. The lifting operation of the core chuck 21 is performed by the chuck lifting cylinder 23 that operates via the pulley group.

On the upper surface of the core 13, the rider roll 2
4 are provided. The rider roll 24 applies a nip pressure to the winding roll 3 wound around the core 13. The rider roll 24 is raised in the pedestal 10A according to the winding weight of the winding roll 3 around the core 13. The raising operation of the rider roll 24 is performed by the rider elevating cylinder 25 that operates via the pulley group.

The web feeding line 15 has a paper passing nip roll 31 and a feed nip roll 32,
The nip rolls 31 and 32 apply a winding force to the web 1 unwound from the original roll 2.

As shown in FIG. 9, the web feeding line 15 has a web introducing portion 14 around the first winding drum 11.
Further, the drum lower paper feed conveyor 33 is provided. And
The starting end portion of the web 1 which is started to be wound around the core 13 from the web introducing portion 14 is passed through the paper passing conveyor 33 so as to be wound around the first take-up drum 11, and the starting end portion is passed through the first take-up portion. It is guided to a pinching point between the drum 11 and the core 13 (an adhesive point where the double-sided adhesive tape supplied to the starting end portion adheres to the core 13 as described later).

The drum lower paper feed conveyor 33 can swing around the swing center 33A, and except when the winding of the web 1 around the core 13 is started and finished.
The operation of B waits at a position away from the first winding drum 11.

Therefore, the splice device 40 is arranged on the most upstream side of the web feeding line 15. The splicing device 40 automatically connects the web end of the new original fabric roll 2B to the web end of the old original fabric roll 2A so that the webs 1 of those original fabric rolls 2A and 2B can be continuously fed to the web feeding line 15. It is a thing. The splice device 40 is configured as follows.

(1) The terminal adsorption box 41 is arranged at the line downstream side of the two adjacent positions along the web feeding line 15, and the tip adsorption box 42 is arranged at the line upstream side. Both suction boxes 41, 42 are connected to a suction blower. That is, the suction boxes 41, 42 are used when the old and new webs 1 are cut by the cutting device 52 during splicing, and
When the adhesive tape 50 is attached to the joining part of No. 2, the end suction box 41 sucks and holds the web end of the old original roll 2A, and the tip suction box 42 sucks and holds the web end of the new original roll 2B and butt-joins. To do.

(2) Below the original roll unwinder 43, there is provided a web front end supply device 44 for supplying the front end of the web of the new original roll 2B to the front end suction box 42. The web tip feeding device 44 includes a lower conveyor 45 and a conveyor guide plate 4.
6 and a touch roll 47.

The lower conveyor 45 is driven by a motor 48, and the leading end of the web unwound from the original roll unwinder 43 is carried into the splicing device 40.

The conveyor guide plate 46 is a lower conveyor 45.
The leading end of the web on the lower conveyor 45 is guided to the touch roll 47. Incidentally, the conveyor guide plate 46
Moves back and forth by a slide cylinder (not shown) and slides to the touch roll 47 side only when the tip of the web is guided onto the touch roll 47.

As shown in FIG. 3, the touch roll 47 is supported by a swing arm 49 and is rotated by a cylinder 51. That is, the tip of the web carried in by the lower conveyor 45 is hung on the touch roll 47, the center of the web is manually pulled, and the touch roll 47 is swung to move the tip suction box 42.
Adsorb to.

(3) At the boundary between the suction boxes 41 and 42, the web 1 is movable in the width direction, the web end of the old original fabric roll 2A is cut, and the tip of the web of the new original fabric roll 2B is cut. Cutting device 5 that cuts by abutting the end of the web
2 was provided (see FIG. 3).

In the cutting device 52, a moving bracket 54A is reciprocally installed on a track 54 extending in the web width direction on the transverse frame 53, and the moving bracket 5 is moved.
4A is reciprocated by a motor 54B and a chain. The moving bracket 54A includes the suction boxes 41,
Fixed blade 56 mounted in the web width direction at the boundary of 42
A rotary blade 56B that moves in contact with A and both suction boxes 41, 4
A roller 56C that contacts the second eye plate and transmits a rotational force to the rotary blade 56B, and a holder 56D that incorporates a spring that adjusts the contact pressure of the rotary blade 56B with respect to the fixed blade 56A are provided. As a result, in the cutting device 52, the rotary blade 56B has the fixed blade 56B.
By reciprocating along the track 54 along A, the web 1 is cut between the two blades 56A and 56B.

The timing of using the cutting device 52 is as follows.
The web end of the old web roll 2A is cut on the outward path of the rotary blade 56B, and the web end connected to the winding drum side is adsorbed and held by the end adsorption box 41, while the adsorption of the tip adsorption box 42 is temporarily eliminated. Eliminate the end of the web connected to the unwinder side. Then, the web front end of the new raw fabric roll 2B is supplied to the front end suction box 42 by the above-mentioned web front end supply device 44, and the web front end of the new raw fabric roll 2B is cut on the return path of the rotary blade 56B.

(4) The old original fabric roll 2A which is movable in the width direction of the web 1 at the boundary between the suction boxes 41 and 42, is cut by the cutting device 52 and is sucked by the end suction box 41. A tape sticking device 57 for sticking the adhesive tape 50 is provided between the end of the web and the abutting portion of the web end of the new raw fabric roll 2B which is cut by the cutting device 52 and sucked by the tip suction box 42 ( (See FIG. 4).

The tape applying device 57 is disposed on a moving bracket 58 which is reciprocally installed on the same track 54 as the cutting device 52, and performs tape applying processing on the abutting portion of the web 1 on the outward path. , On the way back, drive while pressing the pasted tape part again. The same orbit 5
The cutting device 52 and the tape applying device 57, which travel along the track 4, make their respective opposite ends on the track 54 their standby positions.

Specifically, as shown in FIGS. 4 (B) and 4 (C), the tape applying device 57 includes a base frame 59 fixed to a moving bracket 58 and a cylinder 6 via a support shaft 60A.
The swing frame 61, which can swing by 0, is supported by the tape holder 62, the tape application roller 6
3, a tape pressing roller 64, a cylinder 65, and a nip roller 66 are provided. Then, the adhesive tape 50 set in the tape holder 62 is held by the tape applying roller 63 and the tape pressing roller 64, and the tape pressing roller 64 is swung by the cylinder 65 to perform attachment / detachment of tape holding. Between the tape applying roller 63 and the nip roller 66, there is a tape cutter 69 swingably attached to the base frame 59 by a cylinder 68, and the tape cutter 69 swings by the cylinder 68 to attach the adhesive tape 50. Disconnect.

That is, the tape applying device 57 starts traveling from the standby position on the front side, detects the end face of the front side web by the web width detecting photoelectric switch, and temporarily stops, and the tape attaching roller 63 causes the abutting portion of the old and new webs 1. And the nip roller 66 comes off. Next, the tape pressing roller 64 is released, and the air brake 70 provided on the tape holder 62 starts traveling again while applying an appropriate tape tension to join the abutting portions of the old and new webs 1. Again, when the back side web end face is detected by the web width detecting photoelectric switch, the tape pressing roller 64 is attached, the tape cutter 69 is inserted, the tape application roller 63 is removed, and tension is applied to the adhesive tape 50. The tape 50 is cut, stopped by the movement limit proximity switch, and returned to the standby position on the front side while the nip roller 66 rolls the joint surface. After that, both suction boxes 4
Release the adsorption of 1, 42 and complete the splice.

Further, the web winding device 10 includes a tape applying device 8 on the downstream side of the slitter 16 of the web feeding line 15.
0 is provided. The tape applying device 80 includes the winding core 13
It is movable in the width direction of the web 1 at a position along the web feed line 15 to the web, and both the scheduled end portion on the downstream side of the line and the scheduled start portion on the upstream side of the line are sandwiched across the planned cutting line of the web 1. The double-sided double-sided adhesive tapes 81, 81 are simultaneously attached to the parts. Then, the web winding device 10
In this case, the web 1 which has been subjected to the tape application process by the tape application device 80 is cut along the planned cutting line, and the double-sided adhesive tape 81 attached to the end planned part of the web 1 is applied to the cylindrical surface of the winding roll 3. The double-sided pressure-sensitive adhesive tape 81, which is affixed to the winding core 13, is affixed to the winding core 13. The tape applying device 80 is configured as follows (see FIGS. 5 to 7).

(1) A track 82 is provided in the vicinity of the first winding drum 11 at a position substantially parallel to the drum 11.

(2) Two rolls of double-sided adhesive tape holder 91, release paper winding core holder 92, disk-shaped perforated blade 9
A tape applying unit 90 having 3 or the like was installed on the track 82 so as to be capable of reciprocating. The traveling base 96 of the tape applying unit 90 is supported by the track 82, is connected to the chain 98 wound around the chain wheel 97, and is reciprocated by the motor 99.

(3) A beam 83 which can be moved up and down is provided above the track 82 in a position parallel to the track 82, and a fixed blade 84 corresponding to the operation of the tape applying unit 90 is attached to the lower part of the beam 83. Reference numeral 85 is a guide plate.

(4) Lifting beam 83 equipped with a fixed blade 84
Indicates that the ascending point is the standby position, and the tape application unit 90 has the operation side portion of the unwinder 43 on the track 82 as the standby position.

(5) Lifting beam 83 equipped with a fixed blade 84
Moves to the operating position (web contact position), the tape applying unit 90 moves forward on the track 82, and two double-sided adhesive tapes 81, 81 are provided on both sides of the planned cutting line of the web 1 with the fixed blade 84. The tape is pasted, and a perforation line as a cutting auxiliary process is applied to the planned cutting line between the two tapes 81. This perforation weakens the strength of the web 1 at the planned cutting line.

(6) The tape attachment process is carried out by stopping the running of the web 1, mounting the drum lower paper feed conveyor 33, lowering the elevating beam 83, and applying the double-sided tape of (5) above (2). And perforation processing are applied to both winding drums 11, 1
2 is operated at a low speed to guide the processing portion to the wedge portion above the winding drums 11 and 12, the traveling of the web 1 is stopped, and the discharge arm 1
8A, the take-up roll 3 is slightly floated above the first take-up drum 11, and the second take-up drum 12 is rotated while the first take-up drum 11 is stopped to break the perforations. The end portion of the web 1 (with the double-sided adhesive tape 81 attached) is taken up by the pushing force of the extrusion roller 18B.
Then, the discharge arm 18A is further swung to move the winding end roll 3 onto the adjacent cradle 17. At the same time, the new core 13 in the core holder 19B is stored in the upper wedge portions of the winding drums 11 and 12, and the discharge arm 18
A is returned to the standby position, the paper feed conveyor 33 and both take-up drums 11 and 12 below the first take-up drum 11 are driven, and the take-up core 13 and the take-up drum 11, which are pressed down by the rider roll 24, are driven. By pressing between 12, the starting end of the web 1 (with the double-sided adhesive tape 81 attached) is attached to the take-up core 13, the paper feed conveyor 33 is returned to the standby position, and the take-up is restarted.

Specifically, as shown in FIGS. 6A to 6C, the tape applying unit 90 of the tape applying apparatus 80 is
Double-sided adhesive tape holder 91, release paper winding core 92, drive pulleys 101 and 102, toothed belt 103, cylinder 1
Tape application roller 04 that can be attached to and detached from the web with 04
5, a perforation blade 93 and a cylinder 107 for attaching and detaching the web pressing roller 106 to the fixed blade 84.
Further, the tape-applied roller 105 has a driving device,
When the tape applying unit 90 travels from the rack 108 provided along the track 82 via the pinion gear 109, the toothed pulley, and the toothed belt, it rotates, but the section where the double-sided adhesive tape 81 is attached by the micro air clutch 110, that is, the web. Only the outward path of the width of 1 can be moved. To detect the web width, the laser type photoelectric switch 111 detects the end face of the operating side web, and the laser type photoelectric switch 11
At 2, the end face of the drive side web is detected.

Further, the double-sided adhesive tape 81 is set in the holder 91 with two rows of the same diameter, and the tape application roller 105
The adhesive surface is exposed outside, and two rows of tapes 81 are wound around the release paper winding core 92 so as to have substantially the same tension, and are separated from the release-side release paper at the apex of the tape application roller 105.

At this time, the tape 8 is applied by the air brake 113.
Although a feeding tension of 1 is applied, it is necessary to increase or decrease the brake pressure according to the change in the diameter of the feeding tape. Therefore,
Measure the diameter of the unrolled tape with the analog sensor 114,
The air pressure of the electropneumatic regulator is controlled by the measured value. Since the release paper take-up core 92 responds to changes in the take-up diameter, the take-up speed is made faster than the take-up speed, the difference in speed is absorbed by the friction collar 115, and the ratchet 116 prevents reverse rotation.

The perforated cutter blade 93 is the web 1
The frictional pulley 117 presses against the fixed blade 84 and runs to obtain a rotational force for cutting. However, several cutouts on the outer circumference of the blade cause uncut portions, resulting in a perforated cut surface.

It should be noted that the two adhesive tapes 81, 81 are not attached to both the planned end portion and the planned start end portion of the web 1 which sandwich the planned cutting line, but a wide strip of the adhesive tape 81 spanning both planned portions. The adhesive tape 81 may be attached. And the cutting assist processing (perforation) is wide 1-row adhesive tape 8
It can be applied to the central part of 1.

Further, in the web winding device 10, as a means for softening the planned starting end portion of the web 1 joined to the winding core 13, the planned starting end portion is subjected to ruled line processing in the web width direction. A tool 120 is provided. In the present embodiment, the ruled line processing tool 120 is provided in the vicinity of the perforation blade 93 in the tape applying unit 90 as shown in FIGS. 6 and 7, and is formed by stacking a plurality of disc-shaped rotary blades 121 on the same drive shaft. Then, the multi-line V groove ruled line 12OA is provided in the width direction of the web 1 on the inner peripheral surface of the web 1 wound around the core 13, and as a result, the planned start end portion of the web 1 is softened .

As shown in FIG. 8, the ruled line processing tool 120 is composed of a ruled line processing plate 122 fixed to the side of the beam 83 with respect to the fixed blade 84, and is formed on the outer peripheral surface of the web 1 wound around the winding core 13. A multi-line V-groove ruled line 120A may be provided in the width direction of the web 1.

It should be noted that the ruled line 120A is applied to the winding outer peripheral surface of the web 1 as in the ruled line processing tool 120 as in the ruled line processing tool 120 of FIG. Compared with the above, the risk of winding failure due to peeling of the outer layer of the web 1 does not occur.

The above-described ruled line processing by the ruled line processing tool 120 is not the scheduled start end portion of the web 1 joined to the winding core 13 but the scheduled end portion of the web 1 joined to the cylindrical surface of the winding roll 3. Alternatively, the web 1 may be provided at both the scheduled start end portion and the scheduled end portion.

The operation of this embodiment will be described below.
Even if the web 1 is relatively thick, the end portion of the web 1 joined to the cylindrical surface of the take-up roll 3 and the start end portion of the web 1 joined to the take-up core 13 are arranged in the web width direction. Ruled line 12
By giving 0A, it becomes soft and the winding property to the corresponding winding roll 3 or winding core 13 is improved. Therefore, web 1
The work of joining the end portion of the to the cylindrical surface of the winding roll 3 or the work of joining the start end of the web 1 to the winding core 13 can be facilitated in a wide thickness range of the web 1.

In the present invention, the method of joining the winding start end of the web 1 to the cutting / winding core and the method of joining the winding end of the web 1 to the cutting / winding roll are described in the above embodiments. It is needless to say that the method can be applied to the case of using a method different from the above.

[0049]

As described above, according to the present invention, in the web winding device, the end of the web is joined to the cylindrical surface of the take-up roll, or the beginning of the web is joined to the take-up core. Work can be facilitated over a wide range of web thicknesses.

[Brief description of drawings]

FIG. 1 is a schematic view showing an example of a web winding device.

FIG. 2 is a schematic view showing an example of a web splicing device.

FIG. 3 is a schematic view showing a web cutting device of a splice device.

FIG. 4 is a schematic diagram showing a tape applying device of a splice device.

FIG. 5 is a schematic diagram showing a tape applying device of a winding device.

6 is a schematic diagram showing a main part of the tape applying device of FIG.

FIG. 7 is a schematic view showing an example of a ruled line processing tool.

FIG. 8 is a schematic view showing another example of a ruled line processing tool.

FIG. 9 is a schematic diagram showing a paper passing conveyor.

FIG. 10 is a schematic view showing a winding roll discharge device.

[Explanation of symbols]

 1 web 2 original roll 3 winding roll 10 web winding device 11, 12 winding drum 13 winding core 120 ruled line processing tool 120A ruled line

Claims (1)

[Claims] 1. A pair of first and second take-up drums are arranged side by side, and a take-up core that is carried into and taken out from a valley portion of an upper surface of both take-up drums is provided. The core is rotated by rotating the core so that the web is introduced around the core by winding and guiding the web on the drum surface of the first winding drum of the two winding drums. In a web winding device for forming a take-up roll, a predetermined end portion of the web joined to the cylindrical surface of the take-up roll,
At least one of the start scheduled portion of the web which is joined to the winding core, provide Reinforced multi-start groove-like borders processing in the web width direction weather
Flexible at least one of the end and the start
A web winding device comprising a ruled line processing tool.