JPH06247598A - Draw-out device for web winding body provided with core - Google Patents

Abstract

PURPOSE:To automatically draw out each web winding body provided with core from a web winding body provided with a winding shaft in which a plurality of web winding bodies provided with core are formed around the winding shaft. CONSTITUTION:The end part W1 on the opposite side of the end part on the side of fitting/detaching of a cap of a common shaft V of a web winding body provided with winding shaft Y is held by a common shaft end part holding device 21, so as not to be enable to move in the lengthwise directio of the common shaft. The cap W2 is detached from the common shaft by means of a cap detaching device 22, at least either one of the common shaft or the winding bodies provided with core P fitted onto the common shaft is drawn out from the end part on the detaching the cap side of the common shaft by means of a moving device 23, and hence the web winding body provided with core P is detached from the common shaft.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a plurality of winding cores each formed of a tubular body having the same width as the width of a toilet roll paper product, and a plurality of cores formed on the outer side of one common shaft. Using a take-up shaft which is inserted and removed freely in a row state, a divided web divided into product widths is wound around the outer circumference of each winding core of the take-up shaft by a predetermined length, respectively, A winding for automatically removing each web winding body with a winding core from a web winding body with a winding shaft formed by forming a plurality of web winding bodies with a winding core divided into product widths around a common axis. The present invention relates to a device for removing and removing a core-wound web winding body.

[0002]

2. Description of the Related Art Toilet roll paper is a product 1
The width of each piece is relatively short, about 110 to 120 mm, and in the web winding process, a plurality of products (for example, 16
I try to wind them together. In addition, in the conventional general method for manufacturing toilet roll paper, in the web winding process, a long web having a plurality of product widths is wound around a long paper winding shaft. The roll paper is formed, and the long roll paper is cut into product widths by the roll paper cutting device in the post process, and the roll paper cutting process is performed after the web winding process. Then, there are problems that the above two steps (web winding step and roll paper cutting step) are required for commercialization, and an expensive roll paper cutting machine is required, resulting in high equipment cost.

Further, in the web winding process, a plurality of divided webs, which are divided into product widths in advance, are wound around a long winding shaft, and a plurality of webs are wound around one winding shaft. Although it is possible to form a wound body, in that case, it is necessary to remove each web wound body formed around the winding shaft from the winding shaft.

[0004]

By the way, as described above, a plurality of divided webs, which have been divided into product widths in advance, are wound around one winding shaft as described above, and a plurality of divided webs are wound around the winding shaft. When the web winding body is formed, it is possible to simultaneously form a plurality of web winding bodies divided into product widths at the time of finishing the winding process. There was no technology to automatically remove the body from the winding shaft.

According to the present invention, as described above, a plurality of divided webs, which are divided into product widths in advance, are wound around one winding shaft, and a plurality of webs are wound around the winding shaft. An object of the present invention is to provide a web winding body removing device with a winding core, which is capable of automatically removing each web winding body from a web winding body with a winding shaft in which a winding body is formed. Is.

[0006]

SUMMARY OF THE INVENTION A web-rolled body removing / removing device with a core according to the present invention has an outer diameter substantially the same as the inner diameter of the center hole of a toilet roll paper and is a product of the toilet roll paper. A plurality of cores formed of a tubular body having substantially the same length as the width are inserted into the outer side of one common shaft in a single row in a detachable and detachable manner, and the core is attached to one end of the common shaft. Using a take-up shaft which is detachably attached with a cap that acts to prevent slipping off, the divided webs divided into product widths are respectively wound around the outer circumference of each winding core of the take-up shaft by a predetermined length, For removing each web winding body with a winding core from a web winding body with a winding shaft, which is formed by forming a plurality of web winding bodies with a winding core divided into product widths around one common shaft. The end of the common shaft that is opposite to the cap attachment / detachment side. Side shaft end holding device that holds the end on the side immovable in the length direction of the common shaft, a cap separating device that separates the cap from the common shaft, and the common shaft and the outside of the common shaft. And a moving device that moves at least one of the core-wound web winding body in the direction in which each of the core-wound web winding bodies is removed from the end of the common shaft on the side where the cap is separated. It is characterized by having.

[0007]

The web winding body with the take-up shaft, which is the object of the web winding body removing / removing device with a winding core of the present invention, has a plurality of winding cores formed of a tubular body having a product length in common. 1 outside the axis
A winding shaft is used, which is inserted in a row state and is detachably fitted, and a cap for preventing the core from coming off is detachably attached to one end of the common shaft, and the outer circumference of each winding core of the winding shaft is used. And a divided web divided into product widths is wound by a predetermined length to form a plurality of core-wound web winding bodies divided into product widths around one common axis. . The web winding body with the winding shaft can be sequentially and automatically formed by the web winding device.

Further, in the apparatus for removing and removing a web winding body with a core according to the present invention, the common shaft end holding device is provided on the side opposite to the end of the common shaft of the web winding body with the take-up shaft on the cap attaching / detaching side. With the end held, the cap is separated from the common shaft by the cap separating device, and subsequently, at least one of the common shaft and the web-wound body with the core fitted and inserted outside the common shaft by the moving device. By moving one of the core-wound web rolls in the direction in which it is removed from the end of the common shaft where the cap is separated, the web rolls with cores are automatically removed from the common shaft. It can be removed. The moving device may move each core-wound web winding body in the removal direction with respect to the common shaft, or conversely, remove the common shaft from each core-loaded web winding body. Alternatively, the web-wound body with cores and the common shaft may be simultaneously moved in the removal direction.

[0009]

According to the apparatus for removing and removing a web winding body with a core of the present invention, the cap separating device shares the cap with the common shaft end holding device holding the end opposite to the cap side of the common shaft. Since it is possible to separate the web winding body with each winding core from the common shaft by separating it from the shaft and subsequently with the moving device, the web winding body with the winding shaft,
The effect that the web winding body with cores can be automatically removed from the common shaft only by setting the common shaft end holding device to a position where the predetermined position (end on the cap side) of the common shaft can be held. There is. Further, since each web winding body with a core removed from the common shaft has a product width, there is also an effect that a roll paper cutting operation is unnecessary in a post process.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. 1 to 12. A web winding body removing device for a core according to this embodiment is a roll paper for coreless toilet as shown in FIG. Is used by being incorporated into a series of manufacturing lines for manufacturing. In addition, before explaining the web winding body removing device for a core of this embodiment, an outline of a roll paper manufacturing line for a coreless toilet will be described.

FIG. 1 shows an entire production line for coreless toilet roll paper. In FIG. 1, reference numeral 1 is a web winding device that winds a product length web around a winding shaft to form a web winding body with a core (FIG. 2).
reference). The web winding device 1 has a total of 3 in the illustrated example.
The stands are lined up side by side. Reference numeral 2 is a web winding body withdrawing device for removing the web winding body P with each core from the winding shaft U of the web winding body Y with a winding shaft (see FIG. 3) described later. Reference numeral 3 temporarily holds the web-wound body P with the core removed from the common axis V in a two-row state by a predetermined number (16 pieces), and each of the waiting batches (16 pieces). A web winding body Z, Z with a row-shaped winding core (Fig. 1
0) is supplied to the next process (dryer) side in a two-row state. Reference numeral 4 is a drying device for drying the moisture attached to the web winding start portion as described later. Reference numeral 5 denotes a core removing device (see FIG. 8) for removing the core Q from the web winding body P with a core. Reference numeral 6 is a packing machine for packing a predetermined number of cored web winding bodies R (see FIG. 12) together.

The core Q used in this line for producing coreless toilet roll paper has an outer diameter (for example, an outer diameter of about 30 to 50 mm) approximately the same as the inner diameter of the center hole of the commercially available toilet roll paper. ), And is formed of a tubular body having a length substantially the same as the web width of the toilet roll paper to be the product. A hole Qa (see FIG. 10) is formed inside the winding core Q. Also, this core Q
The material is preferably, for example, metal, wood, synthetic resin or the like, which does not deteriorate even when contacted with a liquid, has heat resistance, and has durability even when repeatedly used. Furthermore, if a material having air permeability in the inner and outer directions of the tubular body is used as the core Q, the drying efficiency becomes good in the drying step. As a structure for providing this air permeability, a large number of minute holes (for example, holes having a diameter of about 1 mm) penetrating inward and outward are formed on the entire surface of the tubular body of the winding core Q, or the tube is formed at the time of molding the tubular body It is also possible to form a large number of fine communication passages that communicate the inside and outside of the wall like a sponge. Further, it is also preferable to form a coating (for example, a Teflon coating) on the outer peripheral surface of the winding core Q for facilitating (slipping) the core during the core removing operation described later.

As shown in FIG. 3, the winding cores Q are used by sequentially inserting a plurality of winding cores (for example, 16 windings) on the outside of one common shaft V in a single row. Each of the winding cores Q, Q ... Is detachably attached to the common shaft V, and is used as a single shaft body (winding shaft) U at the time of use.

This winding shaft U has a large number (for example, 16) of cylindrical winding cores Q, Q ... The caps W ₁ and W ₂ (which function to prevent the core Q from coming off) are fitted together. In both caps W ₁ and W ₂ , the cap W ₁ on the right side in FIG. 3 is fixed to the common shaft V,
On the other hand, the left cap W ₂ is detachable from the common shaft V. The fixed cap W ₁ may be integrally formed with the common shaft V. Then, if the left cap W ₂ is separated, the cores Q, Q, ... Can be inserted into and removed from the common shaft V. Also, these caps W ₁ , W ₂
An annular circumferential groove Wa is formed in each of the two. In particular, the circumferential groove Wa of the fixed cap W ₁ is retained by the locking piece 2 when it is held by the common shaft end holding device 21 as described later.
Used to engage twelve.

The web winding device 1 is, as shown in FIG.
The wide continuous web T ₁ fed from the original roll S is divided into product widths (for example, 16 divisions) by the slitter device 11, and the divided webs T ₂ are supplied to the winding section 12. The winding unit 12 is sequentially supplied with one winding shaft U (before web winding) as shown in FIG.

The take-up shaft U is supplied to a predetermined position of the take-up section 12, and the divided webs T ₂ are respectively provided with respective take-up cores Q, Q.
-It is wound at a position that corresponds exactly to. Further, when the winding start end of each divided web T ₂ is started to be wound on the take-up shaft U, as shown in FIG. 2, the liquid is atomized from the nozzle 13 into a predetermined small length range of the web winding start end. Be sprayed on.
This liquid is for adhering the webs at the web winding start portions that are polymerized in the inward and outward directions. Then, in the winding section 12, when the divided webs T ₂ each having the product length are wound around the respective winding cores Q, Q ... Of the winding shaft U,
After the winding action of the web winding device 1 is stopped and the web winding body X with a winding shaft formed by the winding portion 12 is discharged onto the temporary receiving device 14, the blade 16 of the cutting device 15 At the same time as being cut and separated from the continuous web, glue is applied to the cut end of the web winding body side by a gluing device (not shown) so that the cut end is adhered to the outer surface of the web wound body. (Fig. 3
The web winding body Y with a take-up shaft shown in is formed). Then, the separated web winding body Y with the winding shaft is discharged from the temporary receiving device 14 onto the transport conveyor 117. still,
In the production line of FIG. 1, three web winding devices 1 are arranged side by side, and the web winding device Y with a winding shaft is individually manufactured from each of the web winding devices 1.

When the web winding start end is wound in the winding section 12 while being wet with the bonding liquid, the web is wet with the liquid, so that the hydroxyl group (OH group) in the cellulose is obtained. Changes, and the cellulose molecules are hydrogen-bonded to each other, so that the webs that polymerize inside and outside thereof adhere to each other. Then, when the water content is dried, the web-polymerized portions that have been wet with water are bound to each other to form a relatively hard cylindrical shape.

From each web winding device 1 to the conveyor 11
Web winding body Y with a take-up shaft ejected onto 7 (Fig. 3)
After the left-side cap W ₂ is removed by the web-wound body with core removal device 2, the web rolls P, P, ... With cores are automatically removed from the common shaft V. The web winding body removing device 2 with the winding core will be described in detail later. The core-wound web winding bodies P, P ... Removed from the winding shaft U are separated as shown in FIG. The transport conveyor 117 is intermittently run by the motor 118 (see FIGS. 7 to 9) at a timing described later.

At the terminating end of each conveyor 117, the web winding body P with a core is provided by the merging / supplying device 3.
Is temporarily held in a two-row state by a predetermined number (16). Then, the group (16 pieces) of the web winding bodies Z, Z (see FIG. 10) with row-shaped winding cores that have been kept on standby are supplied to the drying device 4 side by the merging / supplying device 3 in a two-row state. The configuration of the merging / supplying device 103 is not so important to the present application, and thus its detailed description is omitted.

In the drying device 4, the web winding bodies Z with row-shaped winding cores are sequentially fed in the lateral direction, and the central holes Qa, Qa ...
By passing hot air through (Fig. 10),
At the web winding step, the wet web winding start end is dried. By forcibly drying the thus-wetted web winding start end portion by the drying device 4, this drying time can be shortened (passing through the drying device 4 in 4 to 5 minutes). Further, at the time of this drying, if an air-permeable core is used as the core Q, water can be diffused from the center hole Qa of the core Q, and the drying efficiency is improved.
Since the structure of the drying device 4 is not so important to the present application, detailed description thereof will be omitted.

The dried web winding body Z with row-shaped winding cores, which has come out from the drying device 4, is sent to the core removing device 5 (see FIG. 11) by the conveyor 141, and there, each web winding body with winding cores. The core Q is sequentially removed from P to form a core-free web winding body (coreless roll paper) R shown in FIG. As shown in FIG. 11, the centering device 5 of this embodiment employs a pusher piece 52 which is vertically moved by an air cylinder 51. The outer diameter of the push piece 52 is the same as or slightly smaller than the outer diameter of the winding core Q. Then, in the core removing device 5, the web winding body P with a core to be cored is positioned immediately below in the advancing direction of the push piece 52, and the push piece 52 is moved downward by the air cylinder 51 to move the push piece 52. By pressing the core Q portion with, the core Q can be removed downward from the web winding body R portion.

In this way, the core-removed web winding body R from which the winding core Q has been removed has a hole R ₁ through which the shaft of the toilet paper holder passes, as shown in FIG.
Moreover, since the tubular portion R ₂ forming the side surface of the center hole is a hard portion formed by hardening the web, the tubular portion R ₂
Has a shape-retaining property, and the web of the tubular portion R ₂ can be unwound to the end and used, and moreover, it dissolves easily when immersed in water, so that it can be flushed to the toilet as it is after use. In addition, the core Q removed from the web winding body R has the common axis V again.
And is used in the next web winding step.

The core-wound web winding body R discharged from the core-coring device 5 is sequentially transferred to the packaging machine 6 by the conveyor 151.
It is conveyed to the side, and a predetermined number of bags are packed there.
The wrapping machine 6 may be of a type generally used in the past.

Next, a web winding body removing / removing device 2 with a winding core will be described with reference to FIGS. This web winding body removing device 2 with a winding core is a web winding device with a winding shaft Y, which is discharged from the web winding device 1 side onto the conveyor 117, from the common shaft V to each web winding device with a winding core. The body P, P ... Is removed.

The web removing device 2 for removing a web winding body with a winding core according to this embodiment has a right side cap (hereinafter referred to as a fixed side cap) W fixed to a common shaft V of a winding shaft U.
A common shaft end holding device 21 for holding ₁ and a cap separating device 22 for separating the left side cap (hereinafter referred to as separable side cap) W ₂ from the common shaft V;
.. and a moving device 23 for moving each of the core-wound web winding bodies P, P ... In the removal direction (left side in the illustrated example) with respect to the common axis V.

The common shaft end holding device 21 has an air cylinder 211 which expands and contracts in the vertical direction, and a locking piece 212 which is vertically moved by the air cylinder 211 and has a fork-shaped lower end portion. This common shaft end holding device 2
The locking piece 212 of No. 1 is the temporary receiving device 14 of the web winding device 1.
The web winding body Y with a take-up shaft discharged from the transport conveyor 117 is positioned so as to move up and down immediately above the peripheral groove Wa of the fixed cap W ₁ . When the web winding body Y with a take-up shaft is discharged from the temporary receiving device 14 onto the transport conveyor 117, the transport conveyor 117 is stopped and the transport conveyor 117 is stopped.
The web winding body Y with a take-up shaft discharged above is always at a fixed position (a fixed position in the front-rear, left-right direction on the conveyor).
It is supposed to be stationary at.

The common shaft end holding device 21 is
When the air cylinder 211 is in the contracted state (the state shown in FIG. 4 or the state shown by the solid line in FIG. 7), the locking piece 212 is located at an upper position and a space slightly larger than the diameter of the core-wound web winding body P is formed below the locking piece 212. When the air cylinder 211 is in the extended state (the state shown in FIGS. 8 and 9), the lower end fork portion of the locking piece 212 is fixed to the fixed cap W.
It is adapted to engaged into the circumferential groove Wa while straddling _a circumferential groove Wa from the front and rear. This locking piece 212 is the circumferential groove Wa.
In the state of being engaged in the inside, the common shaft V is held in a state of being immovable in the left-right direction (the common shaft length direction).

The cap separating device 22 includes an air cylinder 221 which expands and contracts in the vertical direction, a lift table 222 which is vertically moved by the air cylinder 221, and a lift table 22.
It has an air cylinder 223 attached to the No. 2 and extending in the left-right direction (conveying direction of the conveyer 117), and a chuck device 224 that is moved left and right by the left-right extending air cylinder 223. Chuck device 22
Reference numeral 4 denotes two sandwiching pieces 225, 225 that are hung downwards (horizontally orthogonal to the transport direction of the transport conveyor 117).
Is operated in the approaching / separating direction to sandwich and release the separable side cap W ₂ by the sandwiching pieces 225, 225.

In the cap separating device 22, when the vertically expanding / contracting air cylinder 221 is in the contracted state (the state shown in FIG. 4 or the state shown by the solid line in FIG. 7), the lifting table 222 is at the upper position and the chuck device 224 (the holding piece 225). ) And the upper surface of the conveyer 117 are formed with a space slightly larger than the diameter of the web winding body P with a core, and conversely, the air cylinder 211 is in an extended state (chain line in FIG. 7). In the state shown in the drawing and the state shown by the solid line in FIG. 8, the lifting table 22 is moved to a height at which the front and rear side surfaces of the separable side cap W ₂ can be held by the two holding pieces 225, 225 of the chuck device 224.
2 can be moved down. Further, the extended state of the left and right telescopic air cylinders 223 (states of FIGS. 4 and 7)
Then, the both holding pieces 225, 225 are located at positions vertically corresponding to the separable side cap W ₂ of the web winding body Y with a take-up shaft, which is stationary at a predetermined position on the transport conveyor 117, and The position where the chuck device 224 can completely separate the separable side cap W ₂ held by the holding pieces 225, 225 from the common axis V when the left and right telescopic air cylinder 223 is in the contracted state (the state shown in FIGS. 8 and 9). You can move it to the left.

The moving device 23 is a long air cylinder 23 (for example, having a stroke of about 2000 mm) installed in the vicinity of the transfer conveyor 117 in parallel with the transfer conveyor 117.
1, a moving base 232 that is moved in the left-right direction by the air cylinder 231, and a pressing piece that is on the moving base 232 and that can press the end surface of the web winding body R of the web winding body Y with a winding shaft. 233.

The pressing piece 233 of the moving device 23 is pivotally mounted so that its base end can be rotated on the moving base 232 in a horizontal plane. Further, the pressing piece 233 is biased in the counterclockwise direction by the spring 235, and the stopper 236 prevents the pressing piece 233 from rotating further counterclockwise in the posture orthogonal to the transport conveyor 117. Further, when the movable table 232 is at the standby position (the right end portion of the air cylinder 231 in FIG. 5), the pressing piece 233 is
When the air cylinder 234 is extended, the air cylinder 234 can be rotated to the right as shown by a chain line 233 'to be retracted laterally from above the conveyor 117.

In the contracted state of the air cylinder 234, the pressing piece 233 is pulled by the spring 235 until it comes into contact with the stopper 236 (indicated by the solid lines in FIGS. 4 and 5). When moved to the left (at this time, the fixed cap W
₁ is held by the common shaft end holding device 21 and the separable side cap W ₂ is separated by the cap separating device 22), and the rightmost web winding of the web winding body Y with the take-up shaft is performed by the pressing piece 233. By pressing the right end surface of the rotating body R, the web winding bodies P, P, ... With cores can be removed from the common axis V in the left direction. Also, the moving table 232
Is a position 232 'in FIG. 5 (the air cylinder 2
After being moved to the stroke end 31), it is immediately returned to the original standby position. Immediately after the movable table 232 is returned to the standby position, the air cylinder 234 for rotating the pressing piece extends and rotates the pressing piece 233 to the right as indicated by reference numeral 233 '(FIG. 5), and the pressing piece 233 is rotated. ′ Is retracted from above the conveyor 117 to the side thereof. In the pushing piece retracted state, the core-wound web winding bodies P, P, ... Which are conveyed from the upstream side of the conveyer 117 can freely pass without colliding with the pushing piece 233. Further, in this pressing piece retracted state, after the moving table 232 is returned to the original position (right side position), the next web winding body Y with the winding shaft is transferred from the web winding device 1 onto the transport conveyor 117. It is maintained until it is discharged. When the next web winding body with a winding shaft Y is discharged onto the transport conveyor 117, the air cylinder 234 for rotating the pressing piece shrinks before and after the discharge timing,
The urging force of the spring 235 causes the pressing piece 233 to return to the original position (the position overhanging the conveyor 117).

In this embodiment, the air cylinder 234 for rotating the pressing piece is fixed at a fixed position, but in other embodiments, it is mounted on the moving table 232 so as to move together with the moving table 232. The moving base 232
When is moved to the stroke end of the air cylinder 231, the air cylinder 234 for rotating the pressing piece may be extended to rotate the pressing piece 233 to the retracted position.

Further, in the web winding body removing / removing device 2 with a winding core of this embodiment, after removing the web winding bodies P, P ... Common shaft support device 24 for supporting the common shaft V of the above in a state of being floated from the transport conveyor 117, and a common shaft for removing the common shaft V supported by the common shaft support device 24 from above the transport conveyor 117. The shaft removing device 25 and the cap receiving device 26 for receiving the separable side cap W ₁ separated by the cap separating device 22 are provided.

As shown in FIG. 5, a plurality of common shaft support devices 24 (2 to 3) are provided at predetermined intervals on the side of the core winding web winding body removal position in the transport conveyor 117.
is set up. The common shaft support devices 24, 24 are
The lateral retreat position of the transport conveyor 117 and the transport conveyor 11
Rocking receiving plate 242 that can rock between the upper supporting position of FIG.
And an air cylinder 241 that swings the swing receiving plate 242.
And have. The swing receiving plate 242 and the air cylinder 2
41 is attached to one shaft 243 which is rotatably supported.

The common shaft supporting devices 24, 24
When the air cylinder 241 is in the extended state, the swing receiving plate 242 is retracted to the side of the conveyer conveyor 117 as shown by the solid line in FIG.
Is positioned so as not to interfere with the web winding body Y with a take-up shaft discharged onto the conveyor, and conversely, the air cylinder 2
When 41 is contracted, the swing receiving plate 242 is shown by a chain line in FIG.
6 and 242 ') in FIG. 6, the common shaft V protrudes to a height close to the lower surface of the common shaft V above the conveyor 117, and the common shaft V after the core-wound web winding bodies P, P ... Can be supported from. Further, the common shaft support devices 24, 24 are used to move the moving base 2 of the moving device 23 during the operation of removing the web winding body with the core.
When 32 passes through the installation position of the swing receiving plate 242, it operates so as to reduce the air cylinder 241 by a signal from the photocells 244 and 244 that detect the passage of the moving base 232, whereby the core is attached. The common shaft V of the portion where the web winding body P is removed is sequentially supported from below.

The common shaft removing device 25 has an air cylinder 251 for rotating the shaft 243 on which the common shaft supporting devices 24, 24 are mounted. Then, the common shaft excluding device 25 has an air cylinder 251 as shown in FIG.
Is reduced to tilt each swing receiving plate 242 'at the support position of the common axis V outwardly as indicated by reference numeral 242 "and supported by each swing receiving plate 242, 242. The common axis V can be rolled outward by its own weight. The common axis V removed from the transport conveyor 117 by the common axis removing device 25 is the pedestal 2
Stocked on 52.

The cap receiving device 26 is configured such that the mounting table 262 for accommodating the cap W ₂ is moved forward and backward by the air cylinder 261 (in the direction orthogonal to the carrying direction of the carrying conveyor 117). This cap receiving device 26
Normally, the air cylinder 261 is reduced and the mounting table 2
Although 62 is retracted to the side of the conveyor 117, the web winding bodies P, P with cores are moved by the moving device 23.
.. is completely removed from the common axis V, and then the air cylinder 261 is extended to advance the mounting table 262 to a position directly below the cap W _{2 held} by the chuck device 224. . Then, in this state, by releasing the clamping action of the chuck device 224,
The cap W ₂ can be dropped and stored on the mounting table 262. The air cylinder 261 of the cap receiving device 26 is contracted immediately after the chuck device 224 is released to return the mounting table 262 to the original standby position.

Next, the operation of the web winding body removing / removing device 2 with a core according to this embodiment will be described. The web winding body Y with the winding shaft formed by the web winding device 1 is discharged from the temporary receiving device 14 onto the transport conveyor 117. At the time of discharging, the transport conveyor 117 is stopped, The web winding body Y with the take-up shaft always comes to rest at a predetermined position on the conveyor 117. Further, when the web winding body Y with a take-up shaft is discharged onto the conveyer 117, the common shaft end holding device 21, the cap separating device 22 and the moving device 23 stand by at the initial positions shown in FIG. ing.

The web winding body Y with the winding shaft is temporarily received by the temporary receiving device 14.
When it is discharged from the transport conveyor 117 to each of the web-wound body removing and removing device 2 with a core, the devices 2 sequentially operate as follows.

(1) The vertically expandable air cylinder 211 of the common shaft end holding device 21 extends and holds the fixed side cap W ₁ by the locking piece 212 (state shown by the chain line in FIG. 7). In this state, the common axis V of the web winding body Y with the winding axis is
It becomes immovable in the left-right direction (the transport direction of the transport conveyor 117).

(2) The vertically expandable air cylinder 221 of the cap separation device 22 extends so that the sandwiching pieces 225 and 225 of the chuck device 224 straddle the front and rear sides of the separable side cap W ₂ .

(3) The chuck device 224 operates toward the holding side, and the holding side caps 225 and 225 separate the cap W ₂ on the separable side.
Pinch. In this state, the cap W ₂ is securely held by the two holding pieces 225, 225.

(4) The left and right telescopic air cylinders 223 of the cap separating device 22 are contracted to separate the cap W ₂ from the common axis V as shown by the solid line in FIG. By separating the separable side cap W ₂ in this manner, the web winding bodies P, P, ... With cores can be removed from the cap removal side end of the common shaft V. At this time, the chuck device 224 is still holding the cap W ₂ .

(5) The vertical expansion / contraction air cylinder 221 of the cap separation device 22 is contracted, and the chuck device 224 is moved upward while holding the cap W ₂ (the state shown by the chain line in FIG. 8). In this state, the web winding body P with the winding core can pass below the chuck device 224.

(6) The motor 118 of the transfer conveyor 117 is operated, and the transfer conveyor 117 is caused to run / drive.

(7) Immediately after the transfer conveyor 117 is driven, the air cylinder 231 of the moving device 23 is activated to move the moving table 23.
Move 2 to the left. When the moving table 232 moves to the left, the pressing piece 233 presses the right end surface of the core-wound web winding body P located at the rightmost end to move the respective core-wound web winding bodies P, P ... It is sequentially removed from the left end of the common shaft V (see FIG. 9).

(8) As the movable table 232 moves to the left side, each photoelectric tube 24 for detecting passage of the movable table 232.
4, the air cylinder 241 of the common shaft support device 24 is contracted in order by signals from the rocking plates 242, 242.
Then, the common shaft V of the portion where the web winding body P with a core is removed is sequentially supported from below. And in FIG.
When the web-wound bodies P, P, ... With cores are completely removed from the common shaft V as shown in FIG.
2, 242, the common axis V is supported while being separated from the upper surface of the conveyor 117. The web-wound bodies P with cores removed from the common shaft V are sequentially conveyed to the terminal end side of the conveyor because the conveyor 117 is running. Further, after a predetermined time has passed, or when each of the web-wound bodies P, P, ... With cores reaches the end of the conveyor, the motor 118 of the conveyor 117 is moved.
Are stopped and the transport operation is interrupted.

(9) When the moving table 232 moves to the stroke end of the air cylinder 231, the air cylinder 23
1 operates in the opposite direction to return the movable table 232 to the original right position, and immediately thereafter, immediately after that, the air cylinder 234 for rotating the pressing piece is moved.
Expand and rotate the pressing piece 233 to the right (as shown by the pressing piece 233 'in FIG.
7 Retreat from the top to the side). In addition, the pressing piece 23
In the retracted state of No. 3, the web winding body P with a core sent from the upstream side of the transport conveyor 117 does not collide with the pressing piece 233, and the web winding body P with a core is free. Will be able to pass to.

(10) The air cylinder 211 of the common shaft end holding device 21 is contracted, and the holding of the fixed side cap W ₁ by the locking piece 212 is released (the common shaft end holding device 21.
Will return to the initial state).

(11) The air cylinder 251 of the common shaft excluding device 25 is contracted to tilt the swing receiving plates 242 and 242, and the common shaft V supported on the swing receiving plates is supported by the pedestal 252.
Roll to the top.

(12) The air cylinder 251 of the common shaft removing device 25 extends and the common shaft supporting devices 24 and 2
The air cylinder 241 of No. 4 extends to retract the swing receiving plate 242 to the outside (the common shaft supporting device 24 and the common shaft excluding device 25 respectively return to the initial state).

(13) The air cylinder 261 of the cap receiving device 26 extends to move the mounting table 262 forward.

(14) The clamping device 224 is released from the clamping pressure, and the cap W ₂ held by the chuck device 224 is held.
Is dropped and accommodated on the platform 262.

(15) The air cylinder 261 of the cap receiving device 26 is contracted to retract the mounting table 262 to its original position (the cap receiving device 26 returns to the initial state).

(16) The left and right telescopic air cylinders 223 of the cap separation device 22 extend to move the chuck device 224 to the right (the cap separation device 22 returns to the initial state).

(17) When the next web winding body Y with a winding shaft is discharged from the web winding device 1 side onto the transport conveyor 117, the air cylinder 234 for rotating the pressing piece contracts and the spring 235. The pressing piece 233 is returned to the original projecting position by the urging force of, and the operation of (1) is continued.

The illustrated web winding body removing device 2 with a winding core repeats the above-mentioned operations (1) to (17) and each winding shaft discharged from each web winding device 1, 1, 1. A web winding body P with a core automatically from the web winding body Y, Y, Y
Can be removed.

In addition, in the web winding body removing device 2 with the core of this embodiment, the web winding body P with the core is removed at the position where the web winding device 1 is discharged from the web winding device 1. In another embodiment, the web winding body Y with the take-up shaft discharged from the web winding device 1 is moved to an appropriate place, and the web-with-core removing / removing device 2 with the core 2 is used to move the web with the core. You may make it perform the removal work of a winding body. Further, in the web winding body removing device 2 with the core of this embodiment, the moving device 23 presses the web winding body P with the core when the web winding body P with the core is removed. However, in another embodiment, the common shaft V is wound around the common shaft V in a state in which the web winding body P with the core of the web winding body Y with the winding shaft is immovable. It is also possible to remove it from the body P. For example, the common shaft end holding device 21 may be moved to the right side by the moving device 23 while the end of the common shaft V is held by the common shaft end holding device 21. It is also possible to simultaneously move the core-wound web winding body P and the common axis V to the opposite sides when the core-wound web winding body P is removed.

Further, in the web winding body removing device with the core of this embodiment, it is installed by being installed in the roll paper manufacturing line for a coreless toilet, and as the core Q, it is later removed from the web winding body R. Although it can be removed and reused, a paper tube is used as the core Q when producing a roll paper for toilets with a conventional core that uses a paper tube core. In this case, in this case, the web winding body with core can be obtained as a product when the web winding body with core is removed from the common shaft by the device 2.

[Brief description of drawings]

FIG. 1 is an overall schematic view of a coreless roll paper production line in which a web winding body removing / removing device with a core according to an embodiment of the present invention is incorporated.

FIG. 2 is a schematic view of a portion of the web winding device in FIG.

3 is an explanatory diagram of a web winding body with a winding shaft manufactured by the web winding device of FIG. 2. FIG.

FIG. 4 is a perspective view of a web winding body removing / removing device with a winding core according to an embodiment of the present invention.

FIG. 5 is a plan view of the web winding body removing / removing device with a winding core according to the embodiment of the present invention.

6 is a view taken along the line VI-VI in FIG.

FIG. 7 is an explanatory view showing a first operation state of the web winding body removing / removing device with a winding core according to the embodiment of the present invention.

FIG. 8 is an explanatory view showing a second operation state of the web winding body removing / removing device with a winding core according to the embodiment of the present invention.

FIG. 9 is an explanatory view showing a third operation state of the web winding body removing / removing device with a core according to the embodiment of the present invention.

FIG. 10 is an explanatory view of a web winding body with a winding core in which a winding shaft is removed from the web winding body with a winding shaft of FIG.

11 is an explanatory diagram of a core removing device portion in FIG. 1. FIG.

FIG. 12 is a perspective view of a core-wound web winding body (coreless roll paper) manufactured by the coreless roll paper manufacturing line of FIG. 1.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 is a web winding device, 2 is a web winding body removing / removing device with a winding core, 21 is a common shaft end holding device, 22 is a cap separating device, 23 is a moving device, 24 is a common shaft supporting device, 25
Is a common shaft removing device, P is a web winding body with a core, Q is a core, R is a core-free web winding body (coreless roll paper), T ₂ is a divided web, U is a take-up shaft, V Is the common axis, W ₁
Is a common shaft end (fixed side cap), W ₂ is a cap (separable side cap), and Y is a web winding body with a winding shaft.

Claims (1)

[Claims] 1. A plurality of cores formed of a tubular body having an outer diameter substantially the same as the inner diameter of the center hole of the toilet roll paper and having a length substantially the same as the product width of the toilet roll paper. (Q, Q ...) Is inserted into the outer side of one common shaft (V) in a single row in a state of being detachable, and the core (Q) is pulled out at one end of the common shaft (V). A winding shaft (U) having a cap (W ₂ ) that acts as a stopper is detachably attached, and each winding core (Q,
A plurality of webs with winding cores, each of which is divided into product widths, is wound around the outer periphery of Q ...) by a predetermined length and is divided into product widths around one common axis (V). From the web winding body with a take-up shaft (Y) formed by forming the winding body (P, P ...) To the web winding body with each winding core (P, P).
..) for removing and removing a web winding body with a winding core, wherein an end (W ₁ ) opposite to the end of the common shaft (V) on which the cap is attached and detached is a common shaft (V ₁ ). V) a common shaft end holding device (21) that holds the cap (W ₂ ) in an immovable state in the longitudinal direction, a cap separating device (22) that separates the cap (W ₂ ) from the common shaft (V), At least one of the common shaft (V) and the core-wound web winding body (P) fitted on the outside of the common shaft (V) is connected to each of the core-wound web winding bodies (P, P). ..) is provided with a moving device (23) for moving the cap of the common shaft (V) in the direction in which the cap is removed from the end on the separated side, Removal device.