JP5090987B2 - Web core removing method, web web holding device, and rotary printing machine - Google Patents

Description

  The present invention relates to a web core removing method for removing a web core of a web web from a paper feeder, a web web holding device, and a rotary printing machine.

  For example, a general offset rotary printing press includes a paper feeding device, a printing device, a web pass device, and a folding machine. Then, when the web is supplied from the paper feeding device to the printing device, the web is printed. Then, after a conveyance route is changed to many webs with a web pass apparatus, it superimposes in predetermined order. After that, the folding machine is vertically folded and cut into a predetermined web length corresponding to the printed pattern position, whereby a folded book, that is, a printed matter is created and discharged.

  In a paper feeding device of this type of rotary printing press, a web web with a web wound in a roll shape is rotatably held. The web web has a cylindrical web core on which a web is wound. The web winding paper is held by inserting a chuck of the chuck portion at both ends of the web core and fitting the chuck portion to the inner wall of the web core. On the other hand, when removing the web core, the fitting of the chuck portion to the web core is released. In order to ensure the torque transmission to the web during printing operation, this chuck part is fitted to the web core in order to reduce the amount of unwinding of the web used before and the web immediately after joining. Excessive torque is applied to strengthen the strength. The excessive torque may cause the chuck of the chuck portion to dig deeply into the web core, and even if the chuck is released, the chuck may not be detached from the web core.

  Conventionally, a remaining core recovery device has been used to solve such problems. In this remaining core collecting apparatus, the outer periphery of the web core is clamped by the clamping means, and the web core is extracted from the chuck portion by moving the clamping means in the axial direction of the web core by the moving means (for example, Patent Document 1). reference).

Japanese Patent Laid-Open No. 10-45288

  However, since the remaining core collecting device as in the prior art removes the state where the chuck portion is deeply biting into the web core, the clamping means requires an excessive force or impact force to clamp the web core, and Since the moving means also requires excessive force, the apparatus becomes large. In addition, such a large remaining core collecting device is dedicated to collecting the web core, and therefore is not used in a normal printing operation and becomes an obstacle.

  The present invention has been made in view of the above, and provides a web core removing method, a web winding paper holding device, and a rotary printing press that can reliably and easily remove a web core without using a large dedicated collection device. The purpose is to provide.

  In order to achieve the above object, in the web core removing method of the present invention, in a state where the chuck portion is fitted to each end portion of the web core, the chuck of one of the chuck portions is released, and A step of moving one of the chucks in the direction away from the web core; and next, engaging the chuck of the one chuck part with the web core, releasing the chuck of the other chuck part, and 1 of the chuck part And a step of releasing the chuck of the one chuck portion.

  In this web core removing method, the chuck of one chuck part is released from the web core by releasing the chuck of one chuck part and moving one of the chuck parts in a direction away from the web core. Then, the chuck of one chuck part is engaged with the web core, the chuck of the other chuck part is released, and one of the chuck parts is moved in a direction to be removed from the web core, whereby the other chuck part with respect to the web core is moved. The chuck bites off. In this way, the chuck of each chuck part that holds the web core is alternately released and bitten, so that the chuck of each chuck part is removed from the web core, so that there is no need to use a separate dedicated collection device. The web core can be removed reliably and easily.

  Further, in the web core removing method of the present invention, in a state where the chuck portion is fitted to each end portion of the web core, the chuck of one of the chuck portions is released, and the other chuck portion is detached from the web core. Next, the chuck of the one chuck part is engaged with the web core, the chuck of the other chuck part is released, and the one chuck part is detached from the web core. And a step of releasing the chuck of the one chuck portion.

  In this web core removing method, the web core is removed by moving one chuck portion and the other chuck portion.

  In the web core removing method of the present invention, the chuck of one of the chuck units is released while the chuck unit is fitted to each end of the web core, and one of the other chuck units is connected to the web core. A step of moving in a direction to remove from the web, and next, the chuck of the one chuck part is engaged with the web core, the chuck of the other chuck part is released, and the other chuck part is removed from the web core. The method includes a step of moving in the direction of removal and a step of releasing the chuck of the one chuck portion.

  In this web core removal method, the web core is removed by moving only the other chuck portion.

  In the web core removing method of the present invention, it is preferable to perform the step on the web core from which the web has been removed from the web winding paper.

  In the web core removing method of the present invention, the movement of the chuck portion is on a trajectory of movement of the chuck portion when the web core is held.

  According to this web core removing method, the chuck portion passes through the same trajectory when holding the web web and when removing the web core. As a result, since the load is not applied to the chuck portion other than the insertion / extraction direction, the web core holding position can always be reproduced.

  In order to achieve the above-mentioned object, in the web web holding device of the present invention, while being engaged with each end portion of a cylindrical web core around which the web is wound, the engagement state is released. A pair of chuck parts having chucks to be released, a chuck moving part for moving at least one of the chuck parts in an insertion / extraction direction with respect to an end part of the web core, and the end part of the web core at the end part In a state where the chuck portion is fitted, the chuck of one of the chuck portions is released, and one of the chuck portions is moved away from the end of the web core. The chuck is engaged, the chuck of the other chuck part is released, and one of the chuck parts is moved away from the end of the web core, and then the one chuck part Characterized by comprising a controller for the chuck release state.

  The web web holding device can realize the above-described web core removal method, and can reliably and easily remove the web core without using a separate large collection dedicated device.

  In the web web holding device of the present invention, the chuck moving unit moves both the chuck units, and the control unit has the chuck unit fitted to each end of the web core. In the state, the chuck of one of the chuck portions is in a released state, the other chuck portion is moved in a direction to come out from the end of the web core, and then the chuck of the one chuck portion is brought into a biting state, The chuck of the other chuck portion is set in a released state, and the one chuck portion is moved in a direction to come out from the end portion of the web core, and then the chuck of the one chuck portion is set in a released state.

  Further, in the web web holding device of the present invention, the chuck moving unit moves the other chuck unit, and the control unit has the chuck unit fitted to each end of the web core. In the state, the chuck of one of the chuck portions is in a released state, the other chuck portion is moved in a direction to come out from the end of the web core, and then the chuck of the one chuck portion is brought into a biting state, The chuck of the other chuck portion is set in a released state, and the other chuck portion is moved in a direction to come out from the end portion of the web core, and then the chuck of the one chuck portion is set in a released state.

  In the web web holding device of the present invention, the chuck moving unit moves the chuck unit in the insertion / extraction direction on a trajectory of movement of the chuck unit when holding the web core.

  Since this web web holding device does not apply a load to the chuck portion other than the insertion / extraction direction, the web core holding position can always be reproduced.

  In order to achieve the above object, in the rotary printing machine according to the present invention, in the rotary printing machine provided with a paper feeding device that conveys the web while holding a cylindrical web core around which the web is wound, The web winding paper holding device according to any one of claims 6 to 9 is provided in a mode in which the web is removed.

  This rotary printing press can remove the web core reliably and easily without using a separate dedicated collection device that is not used during the printing operation. Moreover, since the load is not applied to the chuck portion other than the insertion / extraction direction, the web core holding position can always be reproduced.

  According to the present invention, it is possible to reliably and easily remove the web core without using a large collection dedicated device.

  Exemplary embodiments of a web core removing method, a web web holding device, and a rotary printing press according to the present invention will be described below in detail with reference to the accompanying drawings. In addition, this invention is not limited by this Example.

  1 is a schematic configuration diagram of a rotary printing press according to this embodiment, FIG. 2 is a schematic configuration diagram of a web winding paper holding device according to this embodiment, and FIGS. 3 and 4 are web web holding holding devices shown in FIG. FIG. 5 is a control flowchart showing the operation (web core removal method) of the web web holding apparatus according to this embodiment, and FIG. 6 is the operation of the web web holding apparatus according to this embodiment. FIG. 7 is a control flowchart showing another operation (web core removing method) of the web web holding apparatus according to this embodiment, and FIG. 8 is another operation diagram of the web web holding apparatus according to this embodiment. .

  As shown in FIG. 1, a newspaper offset rotary printing press (hereinafter referred to as a rotary printing press), which is a rotary printing press, includes a plurality of (in this embodiment, five) paper feeding units R1 to R5. R, a printing apparatus U having a plurality of (in the present embodiment, five) printing units U1 to U5, a web pass apparatus D, and a plurality (two in the present embodiment) of folding units F1, F2. It is comprised from the folding machine F and the driving | operation management control apparatus C which performs these comprehensive control.

  Each of the paper feeding units R1 to R5 of the paper feeding device R is provided with a holding arm 11 that holds three web winding papers P each having a web W wound in a roll shape, and the holding arm 11 is rotated. The held web web P can be moved to the paper feeding position. Each of the paper feeding units R1 to R5 is provided with a paper splicing device (not shown). When the web winding paper P fed out at the paper feeding position becomes small, the web at the paper feeding position by the paper splicing device. The web web P in the standby position can be joined to the web P.

  In the printing units U1 to U5 of the printing apparatus U, the printing units U1 and U5 are multi-color printing units that perform four-sided four-color printing, and the printing units U2 to U4 are two-color printing units that perform two-sided two-color printing. ing. That is, in the printing units U1 and U5, four pairs of the blanket cylinders 21 arranged to face each other so as to perform double-sided printing are arranged in the conveyance direction of the web W so as to perform four-color printing. In the printing units U2 to U4, two sets of a pair of blanket cylinders 21 facing each other so as to perform double-sided printing are arranged in the conveyance direction of the web W so as to perform two-color printing. Further, the printing units U1 to U5 are provided with a plate cylinder 22 disposed opposite to each blanket cylinder 21 and an ink supply mechanism for supplying ink to a printing plate attached to the plate cylinder 22 although not shown in the drawing. ing.

  Further, in the printing units U1 to U5, a four-page printing plate is attached to the plate cylinder 22 along the direction orthogonal to the paper surface of FIG. 1 so as to simultaneously print four pages on the web W. . The ink supply mechanism is configured to supply ink to the four-page printing plate of one plate cylinder 22, respectively. The blanket cylinder 21 is configured such that ink supplied to the four-page printing plate of one plate cylinder 22 is transferred.

  A plurality of infeed devices In1 to In5 are provided between the paper feeding units R1 to R5 and the printing units U1 to U5. The printing units U1 to U5 and the infeed devices In1 to In5 are driven independently. Therefore, when the webs W are supplied from the paper feeding units R1 to R5 to the printing units U1 to U5 via the infeed devices In1 to In5, the printing units U1 to U5 are predetermined for each web W. Can be printed.

  In this embodiment, each of the printing units U1 to U5 is configured by the multicolor printing units U1 and U5 and the two color printing units U2 to U4, but is not limited to this configuration. For example, various units may be used in combination as appropriate according to the printed matter, such as a double-sided single-color printing unit that performs single-sided printing on both sides and a multi-color printing unit that performs 4-color or 2-color printing on one side.

  The web pass apparatus D cuts vertically into two along the conveyance direction of the web W (longitudinal direction along the length of the web W) at the center in the width direction (lateral direction perpendicular to the conveyance direction of the web W). A plurality of cutters (not shown), a large number of turn bars 30 for setting the conveyance path of the longitudinally cut web W, and the web length in the conveyance direction by winding the web W on which the conveyance path is set by the turn bar 30 Is set, and a compensator roller 31 is provided for adjusting the margin size in the top (conveyance direction) when the sheet is cut by the subsequent folding machine F. Accordingly, each web W on which four pages have been printed by each of the printing units U1 to U5 is vertically cut every two pages by the cutter, and the conveyance path is changed by the turn bar 30, and a predetermined order (page order). ).

  The folding machine F introduces the web W overlapped by the web pass device D in each of the folding units F1 and F2, vertically folds the web W with the triangular plate 32, cuts the web W at a predetermined length, The desired folding book (for example, printed matter such as a newspaper) is formed by horizontally folding.

  The operation management control device C is mainly used for initial printing setting (preset) of the rotary printing press, and via the network N forming a control link, the paper feed controllers C1 to C5, the print controllers C6 to C10, the web path A controller C11 and folding machine controllers C12 and C13 are connected.

  The sheet feeding controllers C1 to C5 drive and control the sheet feeding units R1 to R2 of the sheet feeding device R. That is, the paper feed units R1 to R2 are controlled independently by the paper feed controllers C1 to C5. The print controllers C6 to C10 drive and control the printing units U1 to U5 and the infeed devices In1 to In5 of the printing apparatus U. That is, the printing units U1 to U5 and the infeed devices In1 to In5 are controlled independently by the print controllers C6 to C10. The web path controller C11 drives and controls each turn bar 30 and each compensator roller 31 of the web path device D. The folding machine controllers C12 and C13 drive and control the folding units F1 and F2 of the folding machine F. That is, the folding units F1 and F2 are controlled independently by the folding machine controllers C12 and C13.

  Here, a series of printing operations by the rotary printing press will be described. In the rotary printing press of this embodiment, each printing unit U1 to U5, each infeed device In1 to In5, and each folding unit F1 and F2 can be driven independently, so that one kind of printed matter can be created. Two different types of printed matter can be created at the same time. That is, one of the two types of printed matter is printed using a part of the printing units U1 to U5 and then discharged from one folding unit F1, and the other The printed matter is printed using the remaining printing units and then discharged from the other folding unit F2. Hereinafter, a case where one type of printed matter is created will be described.

  First, when the webs W are supplied from the paper feeding units R1 to R5 to the printing units U1 to U5 via the infeed devices In1 to In5, the printing units U1 to U5 Four-color printing and two-color printing are performed on both sides. Next, the plurality of webs W printed by each of the printing units U1 to U5 are vertically cut by the cutter in the web pass device D, and are superposed in a predetermined order by changing the transport path. Then, when the web group overlapped by the web pass device D is introduced into the folding machine F (folding unit F1 or folding unit F2), each overlapped web group is vertically folded and then has a predetermined length. The sheet is cross-cut and folded to create a desired folded book (printed material). Thereafter, the folded sheet is discharged.

  In such a rotary printing press, as shown in FIG. 2, the web W is wound around the outer circumference of the cylindrical web core P1 in each of the paper feeding units R1 to R5 of the paper feeding device R. A web web holding device 40 is provided. The web web holding device 40 has the holding arm 11 described above. The holding arms 11 are on both sides of the web W and are paired on the operation side (right side in FIG. 2) where the operator operates the rotary printing press and on the drive side (left side in FIG. 2) driven by the rotary printing press. It is arranged. The holding arm 11 is provided with a chuck portion 41 and a chuck moving portion 42.

  The chuck portion 41 is provided on each holding arm 11 and is inserted into a cylindrical end portion of the web core P1 to hold the web winding paper P, and is engaged with the cylindrical inner wall while fitting the web core P1. In order to remove, the fitting is released. FIG. 3 shows a state where the chuck portion 41 is fitted (biting state), and FIG. 4 shows a state where the chuck portion 41 is unfitted (released state).

  As shown in FIGS. 3 and 4, the chuck portion 41 mainly includes a casing 411, a shaft member 412, and a fitting member (chuck) 413. A hollow portion 411a is defined inside the casing 411, and a shaft member 412 is disposed in the hollow portion 411a. As for the shaft member 412, the front-end part 412a formed in the conical shape is extended outside the casing 411, and the rear-end part 412b is arrange | positioned inside the hollow part 411a. The shaft member 412 is provided to be movable in the front-rear direction along the center line S of the chuck portion 41 with respect to the casing 411. Further, the shaft member 412 is biased so that the rear end portion 412b moves rearward by the spring member 414 inside the hollow portion 411a. Further, the shaft member 412 is provided with a seal member 415 interposed between the inner wall of the hollow portion 411a, and the seal member 415 defines a sealed chamber behind the rear end portion 412b. Compressed air is supplied to or discharged from the through-hole 411 b provided in the casing 411 in this sealed chamber. For this reason, a switching valve 417 for switching supply or discharge of compressed air is provided in the through hole 411b as shown in FIG. Further, a fitting member 413 is provided at the front end 412 a of the shaft member 412. The fitting member 413 is formed with a mortar-shaped inner peripheral surface 413 a that is divided into a plurality of cylindrical shapes surrounding the front end portion 412 a of the shaft member 412 in the circumferential direction and that contacts the conical shape of the front end portion 412 a of the shaft member 412. Has been. Further, the fitting member 413 is urged so that the inner peripheral surface 413a abuts in a conical shape by a spring member 416 provided on the outer periphery thereof. Further, on the front end side of the fitting member 413 that can be inserted into the end portion of the web core P1 of the web web P, a concavo-convex portion 413b is formed on the outer peripheral surface so as to be appropriately engaged with the inner wall of the web core P1 of the web web P. ing.

  As shown in FIG. 3, the chuck portion 41 switches from the through hole 411 b of the casing 411 by switching the switching valve 417 in a state where the front end side of the fitting member 413 is inserted into the end portion of the web core P 1 of the web winding paper P. When compressed air is supplied to the sealed chamber, the shaft member 412 moves forward against the urging force of the spring member 414 by the air pressure of the compressed air. Then, due to the conical shape of the front end portion 412a of the shaft member 412, the fitting member 413 moves radially outward (in the direction away from the center line S) against the biasing force of the spring member 416, and the outer peripheral surface on the front end side is the web. The concavo-convex portion 413b bites in contact with the inner wall of the core P1. Thereby, the web web P is attached to the chuck portion 41. On the other hand, as shown in FIG. 4, when the switching valve 417 is switched and the compressed air in the sealed chamber is discharged from the through hole 411 b of the casing 411, the shaft member 412 moves backward by the biasing force of the spring member 414. Then, the fitting member 413 moves radially inward (direction approaching the center line S) by the urging force of the spring member 416 while following the conical shape of the front end portion 412a of the shaft member 412, and the outer peripheral surface on the front end side is the web. The uneven portion 413b is separated from the inner wall of the core P1. As a result, the web core P1 of the web web P is free with respect to the chuck portion 41.

  In addition, the chuck | zipper part 41 mentioned above is an example, and there exist various structures. For example, the chuck portion 41 moves the shaft member 412 by air pressure, but may be moved by hydraulic pressure or moved by a solenoid.

  The chuck moving part 42 is provided in each holding arm 11, and the chuck moving part 42 is inserted into the end part of the web core P 1 of the web web P in the chuck part 41 and the front end of the fitting member 413. The chuck portion 41 is moved in the insertion / extraction direction with respect to the web core P1 in such a manner that the portion is brought out from the web core P1. The insertion / extraction direction refers to the direction on the locus in which the chuck portion 41 is inserted into the web core P1 when the web winding paper P is held. FIG. 2 shows an inserted state of the chuck moving part 42.

  As shown in FIG. 2, the chuck moving part 42 mainly includes a rail member 421, a sliding member 422, a rack gear 423, a drive motor 424, and a pinion gear 425. The rail member 421 is provided on the base 420 that supports the holding arm 11. The base 420 is attached to a shaft (not shown) that rotates the holding arm 11 so that the web web P is brought to the paper feeding position. The rail member 421 is provided so as to be parallel to the rotation axis of the holding arm 11 and to be parallel to the rotation axis of the web web P. The sliding member 422 connects the holding arm 11 and the rail member 421, is fixed to the holding arm 11, and is attached to the rail member 421 so as to be slidable in the extending direction. . The rack gear 423 is formed so as to extend in parallel with the rail member 421 and is attached to the base 420. The drive motor 424 includes a servo motor and is attached to the holding arm 11. The pinion gear 425 is attached to the motor shaft 424 a of the drive motor 424 and meshed with the rack gear 423.

  The chuck moving unit 42 drives the drive motor 424 to rotate the motor shaft 424a in the forward and reverse directions, so that the holding arm 11 is parallel to the rotational axis of the web web P from the meshing state of the pinion gear 425 and the rack gear 423. Move to. As a result, the chuck portion 41 along with the holding arm 11 inserts the front end portion of the fitting member 413 into the end portion of the web core P1 of the web web P, or the front end portion of the fitting member 413 from the web core P1. Move in the extraction direction. In FIG. 2, the insertion direction is a direction in which the chuck portion 41 on the operation side moves to the drive side and the chuck portion 41 on the drive side moves to the operation side. The pulling direction is a direction in which the chuck portion 41 on the operation side moves to the operation side and the chuck portion 41 on the drive side moves to the drive side.

  Further, the web web holding device 40 includes a web control unit (control unit) 43 in the paper feed controllers C1 to C5. The web control unit 43 is connected to an operation side motor drive unit 44a, a drive side motor drive unit 44b, an operation side chuck drive unit 45a, a drive side chuck drive unit 45b, and a storage unit 46. The operation side motor drive unit 44 a drives the drive motor 424 of the chuck moving unit 42 of the operation side holding arm 11 to rotate forward and backward based on the drive command of the web control unit 43. The drive side motor drive unit 44 b drives the drive motor 424 of the chuck moving unit 42 of the drive side holding arm 11 to rotate forward and backward based on the drive command of the web control unit 43. The operation side chuck driving unit 45 a is driven to switch the switching valve 417 of the chuck unit 41 of the operation side holding arm 11 to supply or discharge based on the drive command of the web control unit 43. The drive side chuck drive unit 45b is driven to switch the switching valve 417 of the chuck unit 41 of the drive side holding arm 11 to supply or discharge based on the drive command of the web control unit 43. The storage unit 46 stores programs and data for driving the web web holding device 40 in advance, and inputs the rotation angle and rotation speed of the motor shaft 424a from the encoder of the drive motor 424, and stores each of the holding arms 11. It is memorized as a position. The web control unit 43 drives the web web holding device 40 in accordance with the program and data input from the storage unit 46. Specifically, the operation side motor drive unit 44a is controlled, and the operation side chuck moving unit 42 moves the operation side holding arm 11 to the operation side or the drive side. Further, the web control unit 43 controls the drive side motor drive unit 44b to move the drive side holding arm 11 to the operation side or the drive side by the drive side chuck moving unit 42. Further, the web control unit 43 controls the operation side chuck driving unit 45a to switch the switching valve 417 so that the fitting member 413 of the operation side chuck unit 41 is engaged or released. Further, the web control unit 43 controls the driving side chuck driving unit 45b to switch the switching valve 417 so that the fitting member 413 of the driving side chuck unit 41 is in the engaged state or the released state.

  In each of the paper feeding units R1 to R5 of the paper feeding device R in the present embodiment, the holding arm 11 holds the three web winding papers P as described above. Accordingly, three web web holding devices 40 described above are arranged in each of the paper feeding units R1 to R5. The web control unit 43 of each of the paper feed controllers C1 to C5 that controls the paper feed units R1 to R5 includes an operation side motor drive unit 44a, a drive side motor drive unit 44b for the three web web holding devices 40, An operation side chuck drive unit 45a and a drive side chuck drive unit 45b are connected, and the web control unit 43 includes three operation side motor drive units 44a, drive side motor drive units 44b, and operation side chuck drive units 45a. And the drive side chuck drive unit 45b.

  Here, with reference to FIGS. 2-6, the control flow regarding the web core removal method which is operation | movement of the web web holding | maintenance apparatus 40 by the web control part 43 is demonstrated.

  When the web web P is held by the web web holding device 40, the web control unit 43 releases the fitting member 413 of each chuck unit 41 (see FIG. 4), and the chuck moving unit 42 operates the operation side holding arm. 11 and the driving side holding arm 11 are moved, and each chuck portion 41 is inserted into the end portion of the web core P1 of the web web P. And the fitting member 413 of each chuck | zipper part 41 is made into a biting state (refer FIG. 3). As a result, the web core P1 of the web web P is held by the holding arm 11 as shown in FIG.

  When the web W is reduced (or disappears) from the web web P by the printing operation, the web core P1 is removed from the holding arm 11. First, in a state where the chuck portion 41 is fitted to each end portion of the web core P1 (FIG. 6A), the web control unit 43 releases the fitting member 413 of the drive side chuck portion 41. (Step S1, FIG. 6B). Next, the web control unit 43 moves the operation side holding arm 11 to the operation side (insertion / removal direction) with the operation side chuck unit 41 (step S2). Next, when the operation side holding arm 11 moves a predetermined distance (step S3: Yes), the web control unit 43 stops the movement of the operation side holding arm 11 (step S4, FIG. 6C). The predetermined distance in step S3 means that the operation side holding arm 11 is moved to a position where a part of the driving side chuck portion 41 is inserted into the end of the web core P1 as shown in FIG. 6C. Distance. For example, when the length at which the fitting member 413 of the chuck portion 41 is inserted into the end portion of the web core P1 is 100 mm, the fitting member 413 of the chuck portion 41 is inserted into the end portion of the 30 mm web core P1. The operation side holding arm 11 is moved to the position.

  Next, the web control unit 43 puts the fitting member 413 of the driving side chuck unit 41 into the biting state (step S5, FIG. 6D) and releases the fitting member 413 of the operation side chuck unit 41. (Step S6, FIG. 6D). Next, the web control unit 43 moves the driving side holding arm 11 to the driving side (insertion / removal direction) with the driving side chuck unit 41 (step S7). Next, when the driving side holding arm 11 has moved a predetermined distance (step S8: Yes), the web control unit 43 stops the movement of the driving side holding arm 11 (step S9, FIG. 6 (e)). The predetermined distance in step S8 is the same as the predetermined distance in step S3. As shown in FIG. 6E, a part of the operation side chuck portion 41 is inserted into the end of the web core P1. This is the distance by which the drive side holding arm 11 is moved to a certain position. For example, when the length at which the fitting member 413 of the chuck portion 41 is inserted into the end portion of the web core P1 is 100 mm, the fitting member 413 of the chuck portion 41 is inserted into the end portion of the 30 mm web core P1. The drive side holding arm 11 is moved to the position.

  Next, the web control unit 43 releases the fitting member 413 of the drive side chuck unit 41 (step S10, FIG. 6 (f)). Next, the web control unit 43 moves the driving side holding arm 11 to the driving side (insertion / removal direction) with the driving side chuck unit 41 and moves the operating side holding arm 11 to the operation side (insertion / extraction) with the operation side chuck unit 41. Direction) (step S11). Next, when the drive side holding arm 11 and the operation side holding arm 11 are moved to the standby position (step S12: Yes), the web control unit 43 stops the movement of the driving side holding arm 11 and the operation side holding arm 11. (Step S13, FIG. 6G), this control is terminated. The standby position in step S11 is a position where the fitting member 413 of the drive side chuck portion 41 and the operation side chuck portion 41 is pulled out from the end of the web core P1, as shown in FIG. This is a position to wait for holding a new web web P later. The web control unit 43 then brakes the drive motor 424 on the drive side and the operation side so that the standby position can be maintained until the new web web P is held. In steps S11 to S12, the movement and stop of the drive side holding arm 11 and the operation side holding arm 11 are controlled independently.

  In the above-described step S1 of the control flow shown in FIG. 5 and the operation shown in FIG. 6A, the fitting member 413 of the drive side chuck portion 41 is first released, but first the operation side chuck The fitting member 413 of the part 41 may be in a released state. In this case, in step S2, the driving side holding arm 11 is moved to the driving side. In step S5, the fitting member 413 of the operation side chuck portion 41 is engaged, in step S6, the engagement member 413 of the driving side chuck portion 41 is released, and in step S7, the operation side holding arm 11 is engaged. Move to the operation side. Furthermore, in step S10, the fitting member 413 of the operation side chuck | zipper part 41 is made into a cancellation | release state.

  Thus, in the web core removing method according to the present embodiment, the fitting member 413 of one chuck portion 41 is released in a state where the chuck portion 41 is fitted to each end portion of the web core P1 (step S1). ), A step (steps S2, S3, S4) of moving one of the chuck portions 41 in the direction of coming out of the web core P1 by the movement of the holding arm 11; While engaging the lead P1 (step S5), the fitting member 413 of the other chuck portion 41 is released (step S6), and one of the chuck portions 41 is removed from the web lead P1 by the movement of the holding arm 11. And a step of moving (steps S7, S8, S9).

  According to such a web core removing method, one of the chuck portions with respect to the web core P1 is released by releasing the fitting member 413 of the one chuck portion 41 and moving one of the chuck portions 41 in a direction to be removed from the web core P1. The biting of the 41 fitting members 413 is released. And while engaging the fitting member 413 of one chuck | zipper part 41, releasing the fitting member 413 of the other chuck | zipper part 41, and moving one of the chuck | zipper parts 41 in the direction which pulls out from the web core P1, The biting of the fitting member 413 of the other chuck portion 41 with respect to the web core P1 is released. In this way, by alternately releasing and biting each chuck portion 41 holding the web web P, the engagement member 413 of each chuck portion 41 with respect to the web core P1 is removed, so that a separate large collection dedicated device is used. The web core P1 can be removed reliably and easily.

  In addition, the movement of the chuck portion 41 is in the insertion / extraction direction, and is on the trajectory of the movement of the chuck portion 41 when holding the web core P1. As described above, the chuck portion 41 passes through the same locus when holding the web core P1 and when removing the web core P1. As a result, since the load is not applied to the chuck portion 41 other than the insertion / extraction direction, the holding position of the web web P can always be reproduced.

  Further, in the web web holding device 40 according to the present embodiment, the chuck member 41 is fitted to each end of the web core P1, and the fitting member 413 of one chuck portion 41 is brought into a released state, thereby the chuck portion. One of the pins 41 is moved in a direction in which it is removed from the end of the web core P1, and then the fitting member 413 of one chuck portion 41 is engaged with the web core P1, and the fitting member 413 of the other chuck portion 41 is moved. In a released state, one of the chuck portions 41 is moved in a direction to come out from the end of the web core P1, and then the fitting member 413 of one chuck portion 41 is controlled to the released state.

  According to the web web holding device 40, the chucking member 413 of the one chuck portion 41 is released, and one chuck portion 41 is moved in a direction to be removed from the web core P1, thereby causing one chuck to the web core P1. The biting of the fitting member 413 of the portion 41 is released. Then, the fitting member 413 of one chuck portion 41 is engaged with the web core P1, and the fitting member 413 of the other chuck portion 41 is released, and one of the chuck portions 41 is moved in a direction to come out of the web core P1. By doing so, the biting of the fitting member 413 of the other chuck portion 41 with respect to the web core P1 is released. As described above, since the engagement members 413 of the chuck portions 41 with respect to the web core P1 are removed by alternately releasing and biting the chuck portions 41 holding the web web P, the above-described web core removal method can be realized. The web core P1 can be reliably and easily removed without using a separate large collection dedicated device.

  In addition, the movement of the chuck portion 41 is in the insertion / extraction direction, and is on the trajectory of the movement of the chuck portion 41 when holding the web core P1. As described above, the chuck portion 41 passes through the same locus when holding the web core P1 and when removing the web core P1. As a result, since the load is not applied to the chuck portion 41 other than the insertion / extraction direction, the holding position of the web web P can always be reproduced.

  Further, the rotary printing press according to the present embodiment includes the web web holding device 40 so as to remove the web core P1 in which the web W is reduced (or lost) from the web web P. According to such a rotary printing press, the web core P1 can be reliably and easily removed without separately using a dedicated collection device that is not used during the printing operation. Moreover, since the load is not applied to the chuck portion 41 other than the insertion / extraction direction, the holding position of the web web P can always be reproduced.

  Hereinafter, with reference to FIGS. 3, 4, 7, and 8, another control flow related to the web core removing method, which is another operation of the web web holding device 40 by the web control unit 43, will be described.

  The web web holding device 40 here does not include the chuck moving unit 42 in the driving side holding arm 11, but includes the chuck moving unit 42 only in the operation side holding arm 11. Accordingly, the drive side motor drive unit 44b is not connected to the web control unit (control unit) 43 of the paper feed controllers C1 to C5, and the operation side motor drive unit 44a, the operation side chuck drive unit 45a, and the drive side chuck are not connected. The drive part 45b and the memory | storage part 46 are connected.

  When the web web P is held by the web web holding device 40 of this embodiment, the web control unit 43 sets the fitting member 413 of each chuck unit 41 to the released state (see FIG. 4), and the chuck moving unit 42 operates the operation side. The holding arm 11 is moved, and each chuck portion 41 is inserted into the end of the web core P1 of the web web P. And the fitting member 413 of each chuck | zipper part 41 is made into a biting state (refer FIG. 3). As a result, the web core P1 of the web web P is held by the holding arm 11 as shown in FIG.

  When the web W becomes less (or disappears) from the web web P due to the printing operation, the web core P1 is removed from the holding arm 11. First, in a state where the chuck portion 41 is fitted to each end portion of the web core P1 (FIG. 8A), the web control unit 43 releases the fitting member 413 of the drive side chuck portion 41. (Step S21, FIG. 8B). Next, the web control unit 43 moves the operation side holding arm 11 to the operation side (insertion / removal direction) with the operation side chuck unit 41 (step S22). Next, when the operation side holding arm 11 moves a predetermined distance (step S23: Yes), the web control unit 43 stops the movement of the operation side holding arm 11 (step S24, FIG. 8C). The predetermined distance in step S23 means that the operation side holding arm 11 is moved to a position where a part of the drive side chuck portion 41 is inserted into the end portion of the web core P1 as shown in FIG. 8C. Distance. For example, when the length at which the fitting member 413 of the chuck portion 41 is inserted into the end portion of the web core P1 is 100 mm, the fitting member 413 of the chuck portion 41 is inserted into the end portion of the 30 mm web core P1. The operation side holding arm 11 is moved to the position.

  Next, the web control unit 43 puts the fitting member 413 of the driving side chuck unit 41 into the biting state (step S25, FIG. 8D) and releases the fitting member 413 of the operation side chuck unit 41. (Step S26, FIG. 8D). Next, the web control unit 43 moves the operation side holding arm 11 to the operation side (insertion / removal direction) with the operation side chuck unit 41 (step S27). Next, when the operation side holding arm 11 moves to the standby position (step S28: Yes), the web control unit 43 stops the movement of the operation side holding arm 11 (step S29, FIG. 8E). The standby position in step S28 is a position where the fitting member 413 of the operation side chuck portion 41 has come out of the end portion of the web core P1 as shown in FIG. It is a position to wait for holding. Then, the web control unit 43 brakes the operation side drive motor 424 so that the standby position can be maintained until the new web web P is held.

  Next, the web control unit 43 releases the fitting member 413 of the driving side chuck unit 41 (step S30, FIG. 8 (f)), and ends this control.

  When performing the other operations described above, the web web holding device 40 may include the chuck moving unit 42 only on the driving side holding arm 11 without including the chuck moving unit 42 on the operation side holding arm 11. Therefore, the operation side motor drive unit 44a is not connected to the web control unit (control unit) 43 of the paper feed controllers C1 to C5, and the drive side motor drive unit 44b, the operation side chuck drive unit 45a, and the drive side chuck are not connected. The drive part 45b and the memory | storage part 46 are connected.

  In such a web web holding device 40, in step S21 of the control flow shown in FIG. 7 and the operation shown in FIG. 8A, the fitting member 413 of the operation side chuck portion 41 is first brought into a released state. . Next, in step S22, the driving side holding arm 11 is moved to the driving side. In step S25, the fitting member 413 of the operation side chuck portion 41 is engaged, in step S6, the drive side chuck portion 41 is released, and in step S27, the drive side holding arm 11 is moved to the drive side. To do. Furthermore, in step S30, the fitting member 413 of the operation side chuck | zipper part 41 is made into a cancellation | release state.

  Also in the other web core removing method, the other web web holding device 40, and the rotary printing machine, the effects of the web core removing method, the web web holding device, and the rotary printing machine described above can be obtained.

  The removal of the web core P1 is not limited to when the web W is reduced (or lost) from the web web P, but when the type of the web W (web width, web thickness, paper type, etc.) is changed. Is done in

  As described above, the web core removing method, the web web holding device, and the rotary printing press according to the present invention are suitable for reliably and easily removing the web core without using a large collection dedicated device.

1 is a schematic configuration diagram of a rotary printing press according to the present embodiment. It is a schematic block diagram of the web winding paper holding | maintenance apparatus which concerns on a present Example. It is a schematic block diagram of the chuck | zipper part of the web web holding | maintenance apparatus shown in FIG. It is a schematic block diagram of the chuck | zipper part of the web web holding | maintenance apparatus shown in FIG. It is a control flowchart which shows operation | movement (web core removal method) of the web web holding | maintenance apparatus which concerns on a present Example. It is an operation | movement figure of the web web holding | maintenance apparatus which concerns on a present Example. It is a control flowchart which shows the other operation | movement (web core removal method) of the web web holding | maintenance apparatus which concerns on a present Example. It is another operation | movement figure of the web web holding | maintenance apparatus which concerns on a present Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 Holding arm 40 Web winding paper holding | maintenance apparatus 41 Chuck part 411 Casing 411a Hollow part 411b Through-hole 412 Shaft member 412a Front end part 412b Rear end part 413a Inner peripheral surface 413b Concavity and convexity part 413 Fitting member 414 Spring member 415 Spring member 417 Spring member 417 Spring member 417 Switching valve 42 Chuck moving part 420 Base 421 Rail member 422 Sliding member 423 Rack gear 424 Drive motor 424a Motor shaft 425 Pinion gear 43 Winding paper control part 44a Operation side motor drive part 44b Drive side motor drive part 45a Operation side chuck drive part 45b Drive side chuck drive unit 46 Storage unit C Operation management control device C1 to C5 Paper feed controller W Web P Web winding paper P1 Web core R Paper feed device R1 to R5 Paper feed unit S Center line

Claims (10)

Releasing the chuck of one of the chuck portions in a state where the chuck portion is fitted to each end portion of the web core, and moving one of the chuck portions in a direction of coming out of the web core;
Next, the step of engaging the chuck of the one chuck part with the web core, releasing the chuck of the other chuck part, and moving one of the chuck parts in a direction of coming out of the web core;
Next, a step of releasing the chuck of the one chuck portion includes a method for removing the web core. A step of releasing the chuck of one of the chuck portions in a state where the chuck portion is fitted to each end portion of the web core, and moving the other chuck portion in a direction of coming out of the web core;
Next, the step of engaging the chuck of the one chuck part with the web core, releasing the chuck of the other chuck part, and moving the one chuck part in a direction of coming out of the web core;
Next, a step of releasing the chuck of the one chuck portion includes a method for removing the web core. A step of releasing the chuck of one of the chuck portions in a state where the chuck portion is fitted to each end portion of the web core, and moving one of the other chuck portions in a direction of coming out of the web core;
Next, the step of engaging the chuck of the one chuck part with the web core, releasing the chuck of the other chuck part, and moving the other chuck part in a direction of coming out of the web core;
Next, a step of releasing the chuck of the one chuck portion includes a method for removing the web core.   The web core removing method according to any one of claims 1 to 3, wherein the step is performed on the web core from which the web has been removed from the web winding paper.   The web core removal method according to claim 1, wherein the movement of the chuck portion is on a trajectory of movement of the chuck portion when holding the web core. A pair of chuck portions each having a chuck that is in a released state in which the engagement state is released while being engaged with each end of a cylindrical web core wound with a web;
A chuck moving unit that moves at least one of the chuck units in an insertion / extraction direction with respect to an end of the web core;
In a state where the chuck portion is fitted to each end portion of the web core, the chuck of one of the chuck portions is released, and one of the chuck portions is moved in a direction to come out from the end portion of the web core. Next, the chuck of the one chuck part is brought into the engaged state, the chuck of the other chuck part is released, and one of the chuck parts is moved in a direction to come out from the end of the web core. A web winding paper holding device comprising: a control unit that next releases the chuck of the one chuck unit. The chuck moving part moves both the chuck parts,
The control unit is in a state in which the chuck of one of the chuck units is released while the chuck unit is fitted to each end of the web core, and the other chuck unit is removed from the end of the web core. In the direction in which the chuck of the one chuck part is engaged, the chuck of the other chuck part is released, and the one chuck part is removed from the end of the web core. The web winding paper holding device according to claim 6, wherein the web winding paper holding device is moved, and then the chuck of the one chuck portion is released. The chuck moving part is for moving the other chuck part,
The control unit is in a state in which the chuck of one of the chuck units is released while the chuck unit is fitted to each end of the web core, and the other chuck unit is removed from the end of the web core. Next, the chuck of the one chuck part is brought into the engagement state, the chuck of the other chuck part is released, and the other chuck part is detached from the end of the web core. The web winding paper holding device according to claim 6, wherein the web winding paper holding device is moved, and then the chuck of the one chuck portion is released.   The said chuck | zipper movement part moves the said chuck | zipper part in the insertion / extraction direction on the locus | trajectory of the movement of the said chuck | zipper part at the time of hold | maintaining the said web core, The any one of Claims 6-8 characterized by the above-mentioned. Web roll holding device. In a rotary printing press provided with a paper feeding device that conveys the web while holding a cylindrical web core wound with a web,
A rotary printing press comprising the web web holding device according to any one of claims 6 to 9 in a mode of removing the web core.

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