JP2011088739A - Taking-off method and taking-off device of protective sheet of new web - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To take off a protective sheet while separating the protective sheet of a new web in new-old webs connected with a joining tape by butting the tip of the new web against the end of the old web composed of one sheet. <P>SOLUTION: This taking-off device includes a new-old web sending device 2 arranged in the middle of a new-old web passage R1, a work platform device 6 for advancing-retreating a work surface 7a up to a work position G1 contacting with the new-old web passage from a standby position G2 separated from the new-old web passage R1, a sheet winding device 9 for taking off a taking-off sheet S and the protective sheet W2, a taking-off sheet advancing-retreating device 15 for advancing-retreating a suction surface 16a up to a joining position H2 approaching the work surface 7a stopping in the work position G1 from a receiving position H1 approaching a sheet passage R2 extending from the sheet winding device 9, and a double-sided adhesive tape supply device 18 for advancing-retreating a holding surface 19a up to a sticking position K2 approaching the suction surface 16a of a suction holder 16 staying in standby at the receiving position H1 from a standby position K1 separated from the sheet passage R2. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  In the present invention, the end of an old web consisting of a single sheet and the tip of a new web consisting of two sheets of a basic sheet and a protective sheet are brought into contact with each other with a joining tape bonded across the butt edge of one side. The present invention relates to a take-up method and a take-up device for taking off the protective sheet on the other side of the new web in the new and old webs.

  The web consists of two sheets, a protective sheet superimposed on a basic sheet that has been cleaned, applied and dried by a pre-processing device. Further, the basic sheet is further processed by the pre-processing device and the offline post-processing device. There is something.

  In order to send a new web consisting of two sheets, a basic sheet and a protective sheet, to the post-processing device, in order to improve the operating efficiency of the post-processing device, one old sheet that is passed through the post-processing device and is waiting or being processed It may be performed by joining the leading edge of the basic sheet of the new web to the end of the sheet. As a method and an apparatus for abutting the tip of a new web that is a two-sheet alignment with the end of one old sheet, there is one described in Patent Document 1.

Japanese Patent Laid-Open No. 10-305950

  By the way, when pasting the old web and the basic sheet of the new web, pasting the butt edge of the old sheet and joining them with the joining tape, it is sent to the post-processing device, and the basic sheet of the new web is post-processed. In order to send only the basic sheet succeeding the old sheet, it is necessary to peel off the protective sheet from the tip of the new web.

  Conventionally, to peel off the protective sheet from the tip of the new web, which is a successor to the old sheet, it depends on the operator's manual work. The protective sheet is peeled off from the tip of the new web. The tip of the protective sheet was picked with a fingertip and pulled to join the protective sheet take-up device.

  However, in manual work that relies on the fingertips of the operator, it is difficult to take off the protective sheet of the new web while smoothly peeling it off, which may cause problems such as scratching the basic sheet of the new web.

  In order to solve the above problems, an object of the present invention is to provide a method and an apparatus for taking off a protective sheet of a new web while smoothly peeling it off.

  The means adopted by the present invention according to claim 1 for smoothly removing the protective sheet of the new web that has been joined to the old web and joined with the joining tape is as follows. Other than the new web in the old and new webs joined by the joining tape pasted on the butt edge of one side of the new web with the two basic sheets and the protective sheet on the other side In the method of separating and taking off the protective sheet on the front side, the suction surface of the suction holder that is stopped at the receiving position sucks and holds one side of the front side of the take-up sheet and the other side of the front side of the take-up sheet A first step of sticking a double-sided adhesive tape on the side, a second step of stopping the running of the old and new webs to support the butt joint of the old and new webs on the work surface of the work table, and a suction surface of the suction holder Receiving Advance to the joining position facing the work surface of the workbench from the position, pull out the take-up sheet with double-sided adhesive tape, and apply the double-sided adhesive tape to the tip side of the protective sheet of the new web supported on the work surface with the suction surface A third step of bonding the leading end side of the take-up sheet by pressure bonding, and a protective sheet joined to the leading end side of the take-off sheet that moves with the suction surface by retracting the suction surface of the suction holder from the joining position to the receiving position. With the fourth step of pulling away from the new web while pulling the take-up sheet and the protective sheet joined to the running of the old and new webs in a state where the suction surface of the suction holder stopped at the receiving position is in the suction stop state The first step to the fifth step are performed in this order, or the second step, the first step, the third step, the fourth step and the fifth step are performed, or the first step is performed. 1 worker And a third step after performing in parallel a second step, a fourth step and take-off method of the new web of the protective sheet and performing in the order of the fifth step.

  In order to smoothly join the take-up sheet to the protective sheet from the new web and to take off the protective sheet, the means adopted by the present invention according to claim 2 is the first step in which the take-up sheet reaching the suction surface of the suction holder is used. Wrapped around a movable pass line adjustment guide roll, and in the third and fourth steps, the pass line adjustment guide roll is moved in synchronization with the movement of the pulling holder to make the pass line length dimension of the take-up sheet constant. The method for taking a protective sheet for a new web according to claim 1.

  The means employed by the present invention according to claim 3 for strengthening the bonding of the old and new webs is the work surface of the work table before the running of the old and new webs and the take-up sheet and protective sheet in the fifth step. 3. A method for taking a protective sheet for a new web according to claim 1 or 2, wherein the joining tape is stuck across the butt end edge on the other surface side of the butt joint portion of the new and old webs supported by the first and second webs.

  The old and new old and new webs are joined together with a joining tape that is bonded to the end of the butt end on one side of the new web. The means employed by the present invention according to claim 4 for removing the protective sheet on the other surface side of the new web in the web was inherited in the take-up device for separating and taking off the protective sheet of the new web. The old and new web feed rolls placed in the middle of the old and new web passages leading the old and new webs are stopped by the drive unit, and the work table with the work surface is operated by the forward / backward operation device and moved away from the old and new web passages. The work table device that moves the work surface forward and backward from the standby position to the work position that contacts the downstream side of the web feed roll in the new and old web passages, and the take-up sheet and protective sheet are pulled. A sheet take-up device to be taken and a suction holder having a suction surface that can be switched between a suction state and a suction stop state are operated by an advancing / retreating operation device, from a receiving position approaching a sheet path extending from the sheet take-up device to a working position. Operate the retractable sheet advancing / retracting device that advances and retracts the suction surface to the joining position approaching the work surface of the stopped workbench, and the double-sided adhesive tape holder that has a double-sided adhesive tape holding surface that can be peeled off. And a double-sided adhesive tape supply device for advancing and retracting the holding surface from a standby position away from the sheet path to a sticking position approaching the suction surface of the suction holder waiting at the receiving position. This is a protection sheet take-off device.

  According to the fourth aspect of the present invention, the old and new webs guided to the old and new web passages are fed by the old and new web feeding devices, and the butt joints of the old and new webs are supported on the work surface stopped at the work position of the work table device. The adhesive tape supply device in the state where the leading end side of the take-up sheet extending from the sheet take-up device is sucked and held on the suction surface of the suction holder stopped at the receiving position of the take-up sheet advance / retreat device Move the double-sided adhesive tape received by the holding surface of the double-sided adhesive tape to the sticking position and stick it to the leading edge of the take-up sheet, and then move the suction surface of the suction holder from the receiving position to the work table. Advance to the joining position facing the work surface, pull out the take-up sheet with double-sided adhesive tape, and suck the double-sided adhesive tape through the take-up sheet to the front end of the protective sheet of the new web supported on the work surface. The protective sheet is bonded to the leading end side of the take-up sheet that moves with the suction surface by retreating the suction surface of the suction holder from the joining position to the receiving position. Is moved away from the new web, and after that, the suction surface of the suction holder stopped at the receiving position is brought into a suction stopped state, and the old and new webs are run and the take-up sheet and protective sheet are taken up by the sheet take-up device. Can be done in parallel.

  In order to smoothly join the take-up sheet to the protective sheet and take-up of the protective sheet from the new web, the means adopted by the present invention according to claim 5 extends from the sheet take-up device to the suction surface of the take-up sheet advancing / retreating device. A pass line adjustment device that reciprocally moves a pass line adjustment guide roll arranged so as to wrap the middle of the sheet path with a movement operation device, and synchronizes the movement operation device with the advance / retreat operation device of the take-up sheet advance / retreat device; 5. The take-up device for a protective sheet for a new web according to claim 4, wherein a pass line length dimension of the sheet passage is made constant.

  In order to strengthen the joining of the old and new webs, the means adopted by the present invention according to claim 6 is that a tape holder having a tape holding surface is operated by an advancing / retreating operation device, and a stand-by position away from the old and new web passages is used. The take-up device for a protective sheet for a new web according to claim 4 or 5, further comprising a tape adhering device for advancing and retracting the tape holding surface to an adhering position approaching the work surface of the work table stopped at the work position. .

  According to the first aspect of the present invention, there is provided a method for picking up a protective sheet for a new web, wherein a double-sided adhesive tape is sucked to the leading end side of the protective sheet of the new web that is supported by the work surface of the workbench through the take-off sheet. By crimping on the suction surface of the holder and securely joining the leading edge side of the take-up sheet, running the old and new webs that have been joined together with taking-up of the take-up sheet and the protective sheet joined with the double-sided adhesive tape The protective sheet of the new web can be taken off while being smoothly peeled off.

  According to a second aspect of the present invention, there is provided a method for taking a protective sheet of a new web by making the pass line length dimension of the take-up sheet that is sucked and held by the holding surface of the sucking and holding tool and moved together with the sucking and holding tool constant. The tension of the take-up sheet can be stabilized, the front end side of the take-up sheet having a stable tension can be smoothly joined to the front end side of the protective sheet of the new web in the third step, and the take-up in which the tension is stable in the fourth step. The protective sheet bonded to the sheet can be taken off while being smoothly peeled off.

  According to the third aspect of the present invention, the protection method for the protection sheet of the new web is such that the butted edges on the other side of the new and old webs are joined with the joining tape, so that the joining of the new and old webs can be strengthened.

  According to a fourth aspect of the present invention, there is provided a take-up device for a protective sheet for a new web, wherein the front side of the take-up sheet is supported by a double-sided adhesive tape on the front side of the protective sheet of the new web that is supported by the work surface of the workbench. It is possible to take off the protective sheet of the new web while peeling it off smoothly by carrying out the running of the old and new webs that have been securely joined together and the take-up sheet and protective sheet joined with the double-sided adhesive tape in parallel. it can.

  According to a fifth aspect of the present invention, there is provided a take-up device for a protective sheet for a new web, in which a pass line length dimension of a take-up sheet that is sucked and held by a holding surface of a suction holder and moves together with the suction holder is made constant. The tension of the take-up sheet can be stabilized, the front side of the take-up sheet with stable tension can be smoothly joined to the front side of the protective sheet of the new web, and the suction surface of the suction holder is retracted from the joining position to the receiving position. When this is done, the protective sheet joined to the take-up sheet with stable tension can be taken off while being smoothly peeled off.

  In the take-up device for a protective sheet for a new web according to the present invention, the joining tape can be joined to the butted edges on the other side of the new and old webs with a tape holder. Can be strengthened.

FIG. (A) is a left side view showing an embodiment of the take-in device 1 of the present invention, and FIG. (B) is an enlarged side view of a portion surrounded by a one-dot chain line b in FIG. FIG. 2 is a front view taken along a line II-II in FIG. It is a left view which expands and shows the principal part of this invention taking over apparatus. FIG. 4A shows the leading end side of the take-up sheet S in which the butt joint portion W3a of the old and new webs W3 whose feeding has been stopped is supported on the work surface 7a of the work table 7 and sucked and held on the suction surface 16a of the suction holder 16. The left side view which shows the state which has adhered the double-sided adhesive tape T2 with the adhesive tape supply apparatus 18, FIG. (B) is the side view to which the location enclosed by the dashed-dotted line b of FIG. FIG. (A) is a left side view showing a state where the leading end side of the take-up sheet S is joined to the leading end of the protective sheet W2a of the new web W2 via the double-sided adhesive tape T2, and FIG. It is the side view to which the location enclosed with the dashed-dotted line b of the figure (A) was expanded. In FIG. 2A, the joining tape T1 is joined by the tape adhering device 24 across the abutting edge between the old web W1 and the basic sheet W2b of the new web W2, and is retracted to the receiving position H1 of the suction holder 16. The left side view showing a state in which the suction surface 16a is in a non-suction state and the take-up sheet S is separated from the suction surface 16a, and FIG. (B) is an enlarged side view of a portion surrounded by a dashed line b in FIG. FIG. Drawing (A)-(F) is a schematic side view showing the procedure of the taking-in method of the present invention. The drawings (A) to (D) show that the protection sheet W2a is obtained from the two-sheet new web W2 butt-joined to the two-sheet old web W1 composed of the basic sheet W1b and the protection sheet W1a using the take-up device 1 of the present invention. It is a schematic side view which shows the procedure which peels and picks up and sticks joining tape T3 across the butt | matching edge of the basic sheets W1b and W2b of the new and old web W3. The drawings (A) to (D) show a case where an old web W1 is joined when a new web W2 is butt-joined to a two-sheet old web W1 composed of a basic sheet W1b and a protective sheet W1a using the take-up device of the present invention. 4 is a schematic side view showing a procedure for stopping the end of the peeled protective sheet W1a at a position where it can be sucked and held on the suction surface 16a of the suction holder 16. FIG.

  FIG. 1 shows a method of taking a protective sheet for a new web according to the present invention (hereinafter referred to as “the present invention taking method”) and a device for taking a protective sheet for a new web (hereinafter referred to as “the present invention taking device”). It demonstrates based on thru | or the embodiment shown in FIG.

  As shown in FIG. 1, FIG. 2 and FIG. 7, the take-up device 1 of the present invention has an end of a single old web W1, a basic sheet W2b on one side (see FIG. 1 (B)), and protection on the other side. The new and old webs W3 are guided by extending from the web butt joining device 30 that joins the leading edge of the new web W2 composed of the two sheets of the sheet W2a and joined with the joining tape T3 pasted on the butt end edge on one side. The old and new web feeding device 2 arranged in the middle of the old and new web passage R1, the work table device 6 (see FIG. 7B) for supporting the butt joint portion W3a of the old and new web W3, the joined take-up sheet S and the protective sheet A sheet take-up device 9 (see FIG. 7F) that takes W2a, and a take-up sheet advance / retreat device 15 that advances and retracts while holding the leading end side of the take-up sheet S extending from the sheet take-up device 9 (FIGS. 7C and 7C). D) San ), A double-sided pressure-sensitive adhesive tape supply device 18 (see FIG. 7B) for sticking the double-sided pressure-sensitive adhesive tape T2 to the leading end side of the take-up sheet S held by the take-up sheet advance / retreat device 15, and a control device 29 for controlling each device. It has.

  The take-up device 1 of the present invention includes a sheet feeding device 10 disposed in the middle of the sheet path R2 extending from the sheet winding device 9 and a pass line adjustment disposed on the upstream side of the sheet feeding device 10 in the sheet path R2, as necessary. A device 21, a tape adhering device 24 for adhering a single-sided adhesive joining tape T 1 to the other surface side of the butted joint W 3 a of the old and new web W 3 supported by the work table device 6, and an old and new web feeding device 2, There may be provided a joint detector 28 which is disposed between the work tables 7 of the work table device 6 and detects the butt joint portion W3a of the new and old webs W3 passing through the old and new web passages R1. As the web butt joining device 30 provided in the take-up device 1 of the present invention, a known device described in Patent Document 1 (Japanese Patent Laid-Open No. 10-305950) or the like can be used.

  As shown in FIGS. 1 and 2, the take-up device 1 of the present invention joins the side frames 32, 33 arranged on the left and right with a plurality of joining frames 34, and supports the old and new web feeding device 2, work table device to the support frame 31. 6, a take-up sheet advance / retreat device 15, a double-sided adhesive tape supply device 18, a sheet feeding device 10, a pass line adjustment device 12, and a tape sticking device 24 are attached. The take-up device 1 of the present invention has an old and new web passage R1 extending from the web butt joint device 30 and in contact with the guide rolls 42 and 43.

  As shown in FIG. 3, the old and new web feed device 2 includes an old and new web feed roll 3, an nip roll 4, and a drive device 5 for stopping the feed of the old and new web feed roll 3 (see FIG. 2). ). The nip roll 4 is operated by an advancing / retreating operation device 35 so as to advance and retract from a retracted position away from the old and new web feed roll 3 to a nip position in contact with the old and new web feed roll 3. The advance / retreat operating device 35 is supported by, for example, left and right support tools 35a that support the left and right shaft ends of the nip roll 4, support shafts 35b and 35b that extend from the support tools 35a, and left and right side frames 31 and 32. It includes left and right bearing portions 35c that slide-guide the support shafts 35b and 35b, and left and right moving operation tools 35d including air cylinders provided between the left and right bearing portions 35c and the support tools 35a. Is controlled by the control device 29 so that the nip roll 4 is advanced and retracted. The old and new web feed device 2 presses the new and old web W3 wound around the old and new web feed roll 3 with the nip roll 4 and stops the rotation of the old and new web feed roll 3 by the start and stop of the driving device 5 to stop the feed of the old and new web W3. To do.

  As shown in FIG. 3, the work table device 6 includes a work table 7 having a work surface 7a and an advancing / retreating operation device 8 for operating the work table 7, and the work surface 7a is in a standby position away from the old and new web passage R1. Advancing and retreating is performed between G2 and a work position G1 that contacts the downstream side of the web feed rolls 3 and 4 in the old and new web passage R1. The advancing / retreating operation device 8 is supported by, for example, left and right support tools 8a that support the left and right ends of the work table 7, support shafts 8b and 8b extending from the support tools 8a, and left and right side frames 31 and 32. It includes left and right bearings 8c for sliding and guiding the support shafts 8b, 8b, and left and right operation tools 8d including air cylinders provided between the left and right bearings 8c and the support tool 8a. Is controlled by the control device 29 so that the work table 7 is moved forward and backward.

  As shown in FIG. 3, the take-up sheet advance / retreat apparatus 15 includes a suction holder 16 having a suction surface 16 a that can be switched between a suction state and a suction stop state, and an advance / retreat operation apparatus 17 that operates the suction holder 16. The suction surface 16a of the suction holder 16 is between the receiving position H1 approaching the sheet path R2 extending from the sheet winding device 9 and the joining position H2 approaching the work surface 7a of the work table 7 stopped at the work position G1. I'm trying to make it go back and forth. The advancing / retracting operation device 17 supports, for example, the left and right swing levers 17b that support the left and right ends of the suction holder 16 and are pivotally supported by the left and right side frames 31 and 32, and the pivot support side of each swing lever 17b. The left and right operation tools 17d including air cylinders or the like provided between the joined operation arm 17c and the left and right side frames 31 and 32 are provided. The left and right operation tools 17d are controlled by the control device 29, whereby the suction holder 16 is controlled. It is configured to advance and retreat. The advancing / retreating operation device 17 can be arranged outside the side frames 32 and 33 in addition to the operation arm 17c and the operation tool 17d being arranged inside the side frames 32 and 33.

  As shown in FIG. 3, the double-sided pressure-sensitive adhesive tape supply device 18 includes a double-sided pressure-sensitive adhesive tape holder 19 having a double-sided pressure-sensitive adhesive tape holding surface 19a that can be attached and peeled, and an advancing / retreating operation device for moving the double-sided pressure-sensitive adhesive tape holder 19 back and forth. 20, the holding surface 19 a of the double-sided adhesive tape holder 19 is moved by the operation of the advancing / retreating operation device 20, and the suction surface 16 a of the suction holder 16 waiting at the standby position K 1 away from the sheet path R 2 and the receiving position H 1. It is made to advance and retreat between the adhering positions K2 to approach. The double-sided adhesive tape holder 19 includes a holder main body 19b having a holding surface 19a and a drawer guide 19c, and the holder main body 19b is attached to the drawer guide 19c so as to be movable left and right. The holder main body 19b is guided by the drawer guide 19c, passes through the standby position K1 between the left and right side frames 32, 33 and the opening 32a (or 33a) of the side frame 32 (or 33), and then the side frame. 32 (or 33) can be moved back and forth between the double-sided adhesive tape acceptance position K3 (see FIG. 2), and the double-sided adhesive tape holding surface 19a accepts the double-sided adhesive tape T2 at the double-sided adhesive tape acceptance position K3. It is. The holding surface 19a for the double-sided pressure-sensitive adhesive tape holds the received double-sided pressure-sensitive adhesive tape T2 in a stuck state. As will be described later, the holding surface 19a is provided on the leading end side of the take-up sheet S sucked and held by the suction holding surface of the take-up sheet advance / retreat device 15. After the double-sided pressure-sensitive adhesive tape T2 is pressure-bonded at the sticking position K2, the double-sided pressure-sensitive adhesive tape T2 can be peeled off when separating from the leading end side of the take-up sheet S toward the standby position K1. The double-sided pressure-sensitive adhesive tape holder 19 opens an air outlet on the double-sided pressure-sensitive adhesive tape holding surface 19a in order to smoothly peel the double-sided pressure-sensitive adhesive tape T2 from the double-sided pressure-sensitive adhesive tape holding surface 19a, and jets air from the air outlet. However, it may be configured to move away toward the standby position K1.

  As shown in FIG. 3, the advancing / retracting operation device 20 of the double-sided adhesive tape supply device 18 includes, for example, an elevating means 37 that moves up and down, and a front and rear moving means 38 connected to the elevating means 37. The double-sided pressure-sensitive adhesive tape holder 19 is advanced and retracted in the vertical direction and the front-rear direction. The elevating means 37 includes left and right guide rails 37a that are attached to the left and right side frames 32 and 33 and extend in the vertical direction, a moving portion 37b that is horizontally supported by the left and right guide rails 37a, and left and right side frames. 32 and 33, and a moving operation tool 37d made of an air cylinder or the like provided between the joining frame 37c and the moving part 37b. The moving part 37b is moved up and down by operating the moving operation tool 37d. The front / rear moving means 38 includes left and right bearing portions 38c joined to the moving portion 37b of the elevating means 37, and slide guides to the respective bearing portions 38c to hold the double-sided adhesive tape at one end portion (rear end portion in the illustrated example). A pair of upper and lower support shafts 38b joined to the drawer guide 19c of the tool 19, and left and right moving operation tools 38d made of an air cylinder or the like disposed between the bearing portion 38c and the joining tape sticking device 19; The double-sided adhesive tape holder 19 is moved back and forth by operating the operation tool 38d. The advancing / retreating operation device 20 controls the movement operation tool 37d of the lifting / lowering means 37 and the movement operation tool 38d of the back-and-forth movement means 38 with the control device 29 so that the double-sided adhesive tape holder 19 is moved between the standby position K1 and the attaching position K2. I try to move forward and backward. The advance / retreat operating device 20 can also be configured to move the double-sided adhesive tape holder 19 forward and backward between the standby position K1 and the sticking position K2.

  As shown in FIG. 3, the sheet feeding device 10 includes a sheet feeding roll 11 disposed in the middle of a sheet path R <b> 2 extending from the sheet winding device 9, a nip roll 12, and a retreat position where the nip roll 12 is separated from the sheet feeding roll 11. And an advancing / retreating operation device 35 for advancing and retreating between the sheet feeding roll 11 and a nip position contacting the sheet feeding roll 11, and a driving device 13 (see FIG. 2) for feeding and stopping the sheet feeding roll 11. The advance / retreat operation device 35 is configured in the same manner as the advance / retreat operation device 35 of the old and new web feeding device 2, and is configured to advance and retract the nip roll 12 by controlling the left and right moving operation means 35 d with the control device 29. The sheet feeding device 10 manually starts and stops the driving device 13 to feed and stop the sheet feeding roll 11 in the nip, and the take-off sheet S (the protection separated and separated from the old web W1 as shown in FIG. 9). The end of the sheet W1a) may be opposed to the suction surface 16a of the take-up sheet advance / retreat apparatus 15. Further, the sheet feeding apparatus 10 includes a detector 36 (attached to the suction holder 16 in the illustrated example) that detects the end portion of the take-up sheet S, and detects the end portion Sa of the take-up sheet S. Based on the detection signal of the detector 36, the feeding of the sheet feeding roll 11 in the nip is stopped, and the control device 29 is driven so that the end of the protective sheet W1a faces the suction surface 16a of the take-up sheet advance / retreat device 15 The apparatus 13 may be configured to be controlled.

  When the suction surface 16a of the suction holder 16 of the take-up sheet advancing / retreating device 15 advances and retreats between the receiving position H1 and the joining position H2, the sheet feeding device 10 retracts the nip roll 12 to release the nip to take-off the sheet. S is allowed to pass through the sheet feed roll 11, and as shown in FIGS. 9B and 9C, when the protective sheet W1a of the old web W1 is peeled off and separated, the nip roll 12 is advanced to advance the sheet feed roll. 11, the protective sheet W1a is sandwiched and the protective sheet W1a is stopped by being fed by the sheet feeding roll 11, and the end of the protective sheet W1a is opposed to the suction surface 16a of the take-up sheet advancing / retreating device 15. When the protective sheet W1a stops with its end side facing the suction surface 16a of the take-up sheet advancing / retreating device 15, it becomes the take-up sheet S and waits.

  As shown in FIG. 3, the pass line adjusting device 21 is used for adjusting a pass line arranged so as to wrap around the sheet path R2 from the sheet winding device 9 to the suction surface 16a during suction of the take-up sheet advance / retreat device 15. Left and right movements comprising a guide roll 22, guide rolls 27, 27 for ensuring the winding of the sheet path R 2 by the pass line adjustment guide roll 22, and an air cylinder for reciprocating the pass line adjustment guide roll 22. And an operating device 23. The pass line adjustment device 21 synchronizes the movement operation device 23 with the advance / retreat operation device 17 of the take-up sheet advance / retreat device 15, and the suction holder 16 holds the leading end side of the take-up sheet S held by the suction holder 16 of the take-up sheet advance / retreat device 15. Even if the sheet is advanced and retracted, the length of the pass line length of the take-up sheet S on the sheet path R2 from the sheet winding device 9 to the suction holder 16 is made constant so that the take-up sheet S is not slackened.

  As shown in FIG. 3, the tape sticking device 24 includes a tape holder 25 having a tape holding surface 25 a and an advance / retreat operation device 26 for moving the tape holder 25 forward and backward. 25 is advanced and retracted between a standby position M1 away from the old and new web passage R1 and a sticking position M2 where the tape holding surface 25a approaches the work surface 7a of the work table 7 stopped at the work position G1. . The tape holder 25 includes a holder main body 25b having a holding surface 25a and a drawer guide 25c, and the holder main body 25b is attached to the drawer guide 25c so as to be movable left and right. The holder body 25b opens a suction port on the holding surface 25a, sucks and holds the accepted bonding tape T1, and does not suck when the tape T1 is attached to a butt joint location W3a of the new and old web W3 described later. In this state, the tape T1 can be removed. In addition, the holder body 25b passes through the opening 32a (or 33a) of the side frame 32 (or 33) from the standby position M1 between the left and right side frames 32 and 33, and the side frame 32 (or 33). The tape can be moved to the tape receiving position M3 (see FIG. 2) located outside, and the tape holding surface 25a accepts the single-sided adhesive bonding tape T1 at the tape receiving position M3. The holder main body 25b is pivotally supported so that it can be rotated by 90 °, and the downward holding surface 25a is turned sideways to facilitate the work of accepting the joining tape T1.

  As shown in FIG. 3, the advancing / retracting operation device 26 of the tape adhering device 24 includes, for example, a front / rear moving means 40 for moving in the front / rear direction and a lifting / lowering means 41 connected to the front / rear moving means 40. The tape holder 25 can be moved back and forth in the vertical direction and the front-rear direction. The front-rear moving means 40 includes left and right guide rails 40a that are attached to the inside of the left and right side frames 32, 33 and extend horizontally in the front-rear direction, a moving unit 40b that is horizontally guided by the left and right guide rails 40a, There is provided a moving operation tool 40d composed of an air cylinder or the like provided between the joining frame 40c horizontally mounted on the side frames 32 and 33 and the moving portion 40b. The lifting / lowering means 41 includes left and right bearing parts 41c joined to the moving part 40b of the forward / backward moving means 40, and is slidably guided by the respective bearing parts 41c, and draws out the tape holder 25 at one end (the lower end in the illustrated example). A pair of front and rear support shafts 41b to which the guide tool 25c is joined, and left and right moving operation tools 41d including an air cylinder or the like disposed between the bearing portion 41c and the tape holder 25 are provided. The advance / retreat operation device 26 controls the movement operation tool 40d of the front / rear movement means 40 and the movement operation tool 41d of the lifting / lowering means 41 by the control device 29 to move the tape holder 25 in the front / rear direction and the up / down direction to advance / retreat. It is. The advancing / retreating operation device 26 can also be configured to move the tape holder 25 forward and backward from the standby position M1 to the sticking position M2.

  As shown in FIGS. 4 to 7, the take-up device 1 of the present invention feeds the old and new web W3 guided from the web butt joint device 30 to the old and new web passage R1 by the old and new web feed device 2, and the work position G1 of the work table device 6 is obtained. The work surface 7a is stopped while the butted joint W3a of the old and new webs W3 is supported (see FIGS. 4 and 7B) and is stopped at the receiving position H1 of the take-up sheet advancing / retreating device 15. With the suction surface 16a of the suction holder 16 sucking and holding the leading end side of the take-up sheet S extending from the sheet winding device 9, the double-sided adhesive tape holding surface 19a of the adhesive tape supply device 18 is at the standby position K1. The holding double-sided adhesive tape T2 (see FIG. 7A) is moved to the attaching position K2 and attached to the leading end side of the take-up sheet S (see FIGS. 4 and 7B), and then the adhesive is applied. Of the tape feeder 18 The holding surface 19a for the surface adhesive tape is retracted to stand by at the standby position K1, and then the suction surface 16a of the suction holder 16 is advanced from the receiving position H1 to the joining position H2 facing the work surface 7a of the work table 7. The take-up sheet S with the double-sided adhesive tape is pulled out, and the double-sided adhesive tape T2 is pressure-bonded to the front end side of the protective sheet W2a of the new web W2 supported on the work surface 7a by the suction surface 16a via the take-up sheet S. The leading end side of the take-up sheet S is joined (see FIGS. 5 and 7C), and then the suction surface 16a of the suction holder 16 is moved backward from the joining position H2 to the receiving position H1 and moved together with the suction surface 16a. The protective sheet W2a bonded to the leading end side of the take-up sheet S is moved while being peeled from the basic sheet W2b of the new web W2 (see FIG. 7D), and then the suction sheet stopped at the receiving position H1. With the suction surface 16a of the holder 16 being in the suction stop state, the running of the new and old web W3 and the take-up sheet S and the protection sheet W2a by the sheet winding device 9 can be performed in parallel (FIGS. 6 and 7). E)).

  As shown in FIGS. 4, 5, and 7 (B) to (D), the take-up device 1 of the present invention is sucked and held by the holding surface 16 a of the suction holder 16 when the pass line adjusting device 21 is provided. By making the pass line length dimension of the take-up sheet S moving with the suction holder 16 constant, it is possible to eliminate the slack of the take-up sheet S and stabilize the tension, and the tension is applied to the front end side of the protective sheet W2a of the new web W2. When the suction surface 16a of the suction holder 16 is retracted from the joining position H2 to the receiving position H1, it can be joined to the take-up sheet S having a stable tension. The protective sheet W2a can be taken off while being smoothly peeled off.

  As shown in FIG. 6 and FIG. 7 (E), the take-up device 1 of the present invention has a tape adhering device 24, and holds the joining tape T1 between the butted edges on the other side of the new and old webs W3. Since it can join with the tool 25, the old and new web W3 can be joined firmly.

  Next, the procedure of the take-in method of the present invention will be described based on the steps shown in FIG. 7 performed using the take-up apparatus 1 of the present invention.

(First step)
In the first step, as shown in FIGS. 7A and 7B, the suction surface 16a of the suction holder 16 stopped at the receiving position H1 sucks and holds one surface side of the leading end side of the take-up sheet S, and The double-sided pressure-sensitive adhesive tape T2 is adhered to the other surface side of the leading end side of the take-up sheet S. When the pass line adjustment device 21 is used, the take-up sheet S reaching the suction surface 16a of the suction holder 16 is wound around a movable pass line adjustment guide roll 22.

  If the sheet feeding device 10 is initialized in advance so that the leading end side of the take-up sheet S is positioned in front of the suction surface 16a of the suction holder 16 stopped at the receiving position H1 (in the illustrated example, it hangs down), The take-up sheet advancing / retreating device 15 that has received a command from the control device 29 changes the suction surface 16a of the suction holder 16 from the non-suction standby state to the suction state in the first step, and the leading surface side of the take-up sheet S on the suction surface 16a. One side of the is sucked and held. The double-sided pressure-sensitive adhesive tape supply device 18 affixes the double-sided pressure-sensitive adhesive tape T2 to the holding surface 19a of the double-sided pressure-sensitive adhesive tape holder 19 previously drawn to the double-sided pressure-sensitive adhesive tape receiving position K3 (see FIG. 2) outside the side frame 32 (or 33). After wearing, the double-sided adhesive tape holder 19 is pushed into the standby position K1 between the left and right side frames 32, 33 to wait, and when a command from the control device 29 is received, the double-sided adhesive tape holder 19 is automatically turned on. The holding surface 19a advances from the standby position K1 to the adhering position K2, and the double-sided adhesive tape T2 is pressure-bonded to the leading end side of the take-up sheet S. Thereafter, the double-sided adhesive tape holding surface 19a peels off the double-sided adhesive tape T2. Retreat to the standby position K1 and wait.

(Second step)
In the second step, as shown in FIG. 7B, the old and new webs W3 are stopped and the work surface 7a of the work table 7 is supported by the butt joint locations W3a of the old and new webs W3. Prior to supporting the butt joint point W3a, the work table device 6 receives the instruction signal from the control device 29 and moves the work table 7 from the standby position G2 to the work position G1. The old and new web feed device 2 feeds the old and new web W3 guided from the web butt joint device 30 to the new and old web passage R1 by the sheet feed roll 3 in the nip state, and detects the passage of the butt joint portion W3a. The control device 29 that has received the 28 detection signal automatically stops the drive device 5 that drives the sheet feeding roll 3 based on the stop signal calculated and output based on the speed of the new and old webs W3, and the butt joint location W3a. Is supported on the work surface 7a.

(Third step)
7C, the suction surface 16a of the suction holder 16 is advanced from the receiving position H1 to the joining position H2 facing the work surface 7a of the work table 7 as shown in FIG. The take-up sheet S is pulled out, and a double-sided adhesive tape T2 is pressure-bonded to the front end side of the protective sheet W2a of the new web W2 supported on the work surface 7a by the suction surface 7a via the take-up sheet S. Is to join. When the pass line adjustment device 21 is used, the pass line adjustment guide roll 22 is moved in synchronization with the movement of the suction holder 16, and the take-up on the sheet path R 2 from the sheet winding device 9 to the suction holder 16 is performed. The pass line length dimension of the sheet S is made constant.

  In the third step, when the take-up sheet advance / retreat device 15 (see FIG. 3) receives a command signal output from the control device 29, the take-up sheet advance / retreat device 15 operates the operation tool 17d of the advance / retreat operation device 17 to 16a is advanced from the receiving position H1 to the joining position H2 facing the work surface 7a of the work table 7, and the take-up sheet S with the double-sided adhesive tape is pulled out to the work surface 7a while the suction surface 16a is sucked and held. The leading end side of the take-up sheet S is joined via the double-sided adhesive tape T2 to the leading end side of the protective sheet W2a of the new web W2 that forms the butt joint location W3a of the supported old and new webs W3. The sheet feeding device 10 receives a command signal from the control device 29 and releases the nip state. Further, the pass line adjusting device 21 receives the command signal from the control device 29 and operates while the moving operation device 23 (see FIG. 3) is synchronized with the operation tool 17d of the advance / retreat device 17 of the take-up sheet advance / retreat device 15. Then, the pass line adjusting guide roll 22 is moved, and the pass line length dimension of the take-up sheet S on the sheet path R2 from the sheet take-up device 9 to the suction holder 16 is made constant so that the take-up sheet S is not slackened. Like that.

(4th process)
In the fourth step, as shown in FIGS. 7C and 7D, the suction surface 16a of the suction holder 16 is retracted from the joining position H2 to the receiving position H1, and the leading end side of the take-up sheet S moves together with the suction surface 16a. The protective sheet W2a joined to the web is taken off from the new web W2. When the pass line adjusting device 21 is used, the pass line adjusting guide roll 22 is moved in synchronization with the movement of the suction holder 16 so that the pass line length dimension of the take-up sheet S is made constant.

  In the fourth step, when the take-up sheet advancing / retreating device 15 (see FIG. 3) receives a command signal output from the control device 29, the take-up sheet advancing / retreating device 17 operates the operation tool 17d of the advancing / retreating device 17 to 16a is retracted from the joining position H2 to the receiving position H1. The sheet feeding device 10 receives a command signal from the control device 29 and maintains the nip state. Further, the pass line adjusting device 21 receives the command signal from the control device 29 and operates while the moving operation device 23 (see FIG. 3) is synchronized with the operation tool 17d of the advance / retreat device 17 of the take-up sheet advance / retreat device 15. The pass line adjusting guide roll 22 is moved to make the pass line length dimension of the take-up sheet S on the sheet path R2 from the sheet winding device 9 to the suction holder 16 constant.

(5th process)
In the fifth step, as shown in FIG. 7E, the take-up sheet S joined with the running of the new and old webs W3 in a state where the suction surface 16a of the suction holder 16 stopped at the receiving position H1 is stopped. The protection sheet W2 is taken out in parallel. When the tape sticking device 24 is used, the old and new webs W3 supported on the work surface 7a of the work table 7 are butt-joined before the old and new webs W3 are run and the take-up sheet S and the protective sheet W2 are taken up. The joining tape T1 is stuck by the tape sticking device 24 across the abutting edge on the other surface side (upper surface side in the illustrated example) of the location W3a.

  In the fifth step, when the take-up sheet advancing / retracting device 15 reaches the receiving position H1, the suction surface 16a of the suction holder 16 is brought into a suction stop state. Thereafter, when the new and old web feeding device 2 and the sheet winding device 9 receive a command signal output from the control device 29, the driving device 5 and the winding driving device are activated to run and bond the old and new web W3. The taken-up sheet S and the protective sheet W2 are taken up and wound up.

(The order of executing each process)
In the picking-up method of the present invention, the first to fifth steps are performed in this order, the second step, the first step, the third step, the fourth step and the fifth step are performed in this order, or the first step. And after performing a 2nd process in parallel, it performs in order of a 3rd process, a 4th process, and a 5th process. The operations in each process can be performed manually in addition to being automatically performed based on a command signal output from the control device 29.

  In the take-up method of the present invention, the double-sided adhesive tape T2 is attached to the leading end side of the protective sheet W2a of the new web W2 that is supported by the work surface 7a of the work table 7 and stopped, and the suction surface of the suction holder 16 through the take-up sheet S. The front end side of the take-up sheet S is securely joined by crimping at 16a, and the running of the succeeding old and new web W3 and the take-up of the take-up sheet S and the protective sheet W2a joined by the double-sided adhesive tape T2 are performed in parallel. Thus, the protective sheet W2a of the new web W2 can be taken off while being smoothly peeled off.

  Further, in the take-up method of the present invention, when the pass line adjusting device 21 is used, the pass line length dimension of the take-up sheet S that is sucked and held by the holding surface 16a of the suction holder 16 and moves together with the suction holder 16 is made constant. Thus, the tension of the take-up sheet S can be stabilized, and the front end side of the take-up sheet S with stable tension can be smoothly joined to the front end side of the protective sheet W2a of the new web W2 in the third step. The protective sheet W2a joined to the take-up sheet S with stable tension can be taken off while being smoothly peeled off. Further, when the tape sticking device 24 is used, in the fifth step, the abutting edges on the other surface side of the new and old web W3 are joined with the joining tape T1, so that the joining of the old and new web W3 can be strengthened.

  As shown in FIGS. 8 (A) and 8 (B), the take-up device 1 of the present invention includes a basic sheet W2b and a protective sheet W2a on a two-sheet old web W1 composed of a basic sheet W1b and a protective sheet W1a. The two new webs W2 made of each other can be brought into contact with each other to correspond to the old and new webs W3 joined by joining the basic sheets W1b, W2b and the protective sheets W1a, W2a with the joining tape T3. In this case, the take-up device 1 of the present invention takes off the protective sheets W1a and W2a from the old and new webs W3 that have been joined together while continuously peeling them off, and stops the old and new webs W3 as shown in FIG. While supporting the work surface 7a of the work table 7 on the one surface side (the lower surface side in the illustrated example) where the joining tape T3 of the butt joint portion between the basic sheets W1b and W2b of the web W3 is attached, the old and new The joining tape T1 can be stuck with the tape sticking device 24 across the butt end edge on the other surface side (upper surface side in the illustrated example) of the butt joint portion W3a of the web W3. After the bonding tape T1 is attached, as shown in FIG. 8C, the take-up device 1 of the present invention activates the old and new web feed device 2 and the sheet take-up device 9 to transfer the old and new web W3 to the old and new web feed device. 2 and the protective sheets W1a and W2a are taken up by the sheet take-up device 9.

  As shown in FIG. 9 (A), the take-up device 1 of the present invention uses a web butt joint device 30 to butt a new web W2 consisting of one sheet to a two-sheet old web W1 consisting of a basic sheet W1b and a protective sheet W1a. Thus, the basic sheet W1b of the old web W1 and the new web W2 can be joined with the joining tape T3 to correspond to the old and new web W3. In this case, the take-up device 1 of the present invention, as shown in FIG. 9B, is a control device 29 (see FIG. 1) that has received the detection signal of the joint detector 28 that has detected the passage of the butt joint portion W3a of the old and new web W3. ) Stops the driving device 5 (see FIG. 2) that drives the sheet feeding roll 3 of the new and old web feeding device 2 by the stop signal that is calculated and output based on the speed of the new and old web W3, so that the old and new web W3 are matched. The joint portion W3a is supported on the work surface 7a, and the driving device 13 (see FIG. 2) for driving the sheet feeding roll 11 of the sheet feeding device 10 is stopped, and the end side of the peeled protective sheet W1a is set at the receiving position H1. Then, the suction holder 16 is stopped at a position facing the suction surface 16a of the suction holder 16 during standby.

2 ... old and new web feeding devices, 3, 4 ... old and new web feeding rolls, 5 ... drive device, 6 ... work table device, 7 ... work table, 7a ... work surface, 8 ... advance / retreat operation device, 9 ... sheet winding device, DESCRIPTION OF SYMBOLS 10 ... Sheet feeding device, 11 ... Sheet feeding roll, 12 ... Nip roll, 13 ... Drive device, 15 ... Take-up sheet advance / retreat device, 16 ... Suction holder, 16a ... Adsorption surface, 17 ... Advance / retreat operation device, 18 ... Double-sided adhesive tape Supply device, 19 ... Double-sided adhesive tape holder, 20 ... Advance / retreat operation device, 21 ... Passline adjustment device, 22 ... Passline adjustment guide roll, 23 ... Movement operation device, 24 ... Tape sticking device, 25 ... Tape holding Tool, 26 ... Advance / retreat operation tool, 30 ... Web butt joint device, 35 ... Advance / retreat operation device, 37 ... Elevating means, 38 ... Previous moving means, 40 ... Previous moving means, 41 ... Elevating means, G1 ... Working position G2: standby position, H1: receiving position, H2: joining position, K1 ... standby position, K2 ... sticking position, K3 ... double-sided tape accepting position, M1 ... standby position, M2 ... sticking position, M3 ... tape accepting position, R1 ... old and new web passage, R2 ... sheet passage, S ... take-off sheet, T1 ... single-sided adhesive tape, T2 ... double-sided adhesive tape, T3 ... adhesive tape, W1 ... old web, W2 ... new web, W2a ... protective sheet, W2b ... basic sheet, W3 ... old and new web, W3a ... butt joint

Claims (6)

  The end of the old web consisting of one sheet and the tip of the new web consisting of two sheets of the basic sheet on the one side and the protective sheet on the other side were abutted and stuck across the butt edge of the one side In the method of peeling off the protective sheet on the other side of the new web in the old and new webs joined by the bonding tape, the suction side of the front side of the take-up sheet is sucked to the suction side of the suction holder stopped at the receiving position. The first step of attaching the double-sided adhesive tape to the other side of the leading end side of the take-off sheet, and stopping the running of the new and old webs to support the butt joint of the old and new webs on the work surface of the work table The second step is to move the suction surface of the suction holder forward from the receiving position to the joining position facing the work surface of the workbench, pull out the take-up sheet with the double-sided adhesive tape, and support the new surface supported on the work surface. A third step of bonding the leading end side of the take-up sheet by pressure-bonding a double-sided adhesive tape to the leading end side of the protective sheet of the cover, and retracting the suction surface of the suction holder from the joining position to the receiving position together with the suction surface With the fourth step of removing the protective sheet joined to the leading end of the moving take-off sheet from the new web, and the suction surface of the suction holder stopped at the receiving position in the suction stop state, the old and new webs And the fifth step of taking the take-off sheet and the protection sheet joined in parallel with the traveling of the first step to the fifth step in this order, or the second step, the first step, the third step, A new web which is performed in the order of the fourth step and the fifth step, or is performed in the order of the third step, the fourth step and the fifth step after the first step and the second step are performed in parallel. To pick up the protective sheet.   In the first step, the take-up sheet reaching the suction surface of the suction holder is wound around a movable pass line adjustment guide roll, and in the third and fourth steps, the pass line adjustment guide is synchronized with the movement of the pull holder. 2. The method of taking a protective sheet for a new web according to claim 1, wherein the roll is moved to make the pass line length of the take sheet constant.   In the fifth step, before running the new and old webs and picking up the take-up sheet and the protective sheet, straddle the butt end edge on the other side of the butt joint location of the new and old webs supported on the work surface of the work table. The method for taking a protective sheet of a new web according to claim 1 or 2, wherein a joining tape is adhered.   In the take-up device for peeling off the protective sheet of the new web, the old and new web feed device for stopping the feed of the old and new web feed rolls arranged in the middle of the old and new web passage that guides the new and old web, and the work surface A work table device that advances and retracts the work surface from a standby position away from the old and new web passages to a work position in contact with the downstream side of the web feed roll of the old and new web passages, a take-up sheet, From a receiving position that approaches a sheet path extending from the sheet take-up device by operating a sheet take-up device that takes up the protective sheet and a suction holder having a suction surface that can be switched between a suction state and a suction stop state with an advance / retreat operation device. A take-up sheet advancing / retreating device that moves the suction surface back and forth to the joining position that approaches the work surface of the work table that is stopped at the work position, and both surfaces that can be peeled A double-sided adhesive tape holder having a holding surface for the adhesive tape is operated by an advance / retreat operation device to hold the standby position away from the sheet path from the standby position to the sticking position approaching the suction surface of the suction holder in standby at the receiving position. A protective apparatus for taking a protective sheet of a new web, comprising a double-sided adhesive tape supply device for advancing and retracting the surface.   A pass line adjusting device for reciprocally moving a pass line adjusting guide roll arranged so as to be wound in the middle of the sheet path from the sheet winding device to the suction surface of the take-up sheet advancing / retracting device with a moving operation device; 5. The take-up device for a protective sheet of a new web according to claim 4, wherein the operation device is synchronized with the advance / retreat operation device of the take-up sheet advance / retreat device, and the pass line length dimension of the sheet path is made constant.   A tape holder having a tape holding surface is operated by an advance / retreat operation device, and the tape holding surface is moved from a standby position away from the new and old web passages to a sticking position approaching the work surface of the work table stopped at the work position. The take-up device for a protective sheet for a new web according to claim 4 or 5, further comprising a tape sticking device for advancing and retreating.

Images