Sheet manufacturing apparatus and sheet manufacturing method

Abstract

To avoid an increase in number of devices and to shorten a manufacturing time when manufacturing a product sheet by dividing and peeling an unnecessary part by a dividing cut.SOLUTION: A sheet manufacturing apparatus 10 manufactures a product sheet TS in which a product part T is attached to a strip-shaped peeling sheet PS at predetermined intervals. The sheet manufacturing apparatus comprises: a cutting unit 40 that forms a cut for the product part in a processing sheet MS that is delivered with a product part forming layer TL adhered to the release sheet, and that forms a dividing cut for dividing an unnecessary portion US being outside of the cut for the product part in the product part forming layer; a peeling unit 50 provided downstream of the cutting unit in a feed-out direction of the processing sheet for peeling the unnecessary portion from the peeling sheet; and a recovery unit 60 for recovering the unnecessary portion peeled out by the peeling unit. The cutting unit includes a plurality of product part punching blades that form cuts for the product part, and a punching blade for the dividing cut, which forms the dividing cut.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a sheet manufacturing apparatus and a sheet manufacturing method. [Background technology]

[0002] For example, when handling a plurality of piece-shaped product parts such as various tags (e.g., RFID tags) and labels, a product sheet is used in which the product parts are attached at predetermined intervals to a strip-shaped release sheet. A configuration disclosed in Patent Document 1 is known as an apparatus for manufacturing such a product sheet.

[0003] In Patent Document 1, a product sheet is manufactured by peeling off the portion other than the product portion from a product portion forming layer temporarily attached to a release sheet as an unnecessary portion. The product portion forming layer is formed in advance with a product portion cutout corresponding to the outer shape of the product portion and a division cutout dividing the unnecessary portion into left and right. The unnecessary portion is peeled off by peeling off the two unnecessary portions divided by the division cutout separately at different positions. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2006-239941 A Summary of the Invention [Problem to be solved by the invention]

[0005] In Patent Document 1, a roll of raw material is prepared in which product portion slits and division slits are pre-formed in the product portion forming layer. Therefore, in addition to the device that peels off and collects the unnecessary parts disclosed in Patent Document 1, a device that forms the slits and a device that rolls up the raw material with the slits formed are required. As a result, there are problems in that the number of various devices increases, which requires a large installation space, and that the formation of the slits and the peeling off of the unnecessary parts are performed separately, which lengthens the manufacturing time of the product sheet.

[0006] In view of the above problems, the present invention aims to provide a technology that can avoid increasing the number of devices and shorten the manufacturing time when producing a product sheet by dividing and peeling off unnecessary portions using dividing slits. [Means for solving the problem]

[0007] One aspect of the present invention is a sheet manufacturing apparatus for manufacturing a product sheet in which product portions are affixed to a strip-shaped release sheet at predetermined intervals, the apparatus comprising: a cutting section that forms product portion notches in the product portion forming layer corresponding to an outer edge shape of the product portions as a processing sheet in which a product portion forming layer is adhered to the release sheet is unwound in a longitudinal direction; a peeling section that is provided downstream of the cutting section in the payout direction of the processing sheet and that peels unnecessary portions of the product portion forming layer outside the product portion notches from the release sheet; and a recovery section that recovers the unnecessary portions peeled off by the peeling section. The cutting section comprises a plurality of product portion die cutting blades that form the product portion notches and a dividing die cutting blade that connects adjacent product portion die cutting blades in the payout direction, the dividing die cutting blade forming dividing notches that divide the unnecessary portions. the peeling section divides the unnecessary portion into a first unnecessary portion and a second unnecessary portion by the dividing notch and peels them off from the release sheet, the first unnecessary portion and the second unnecessary portion being provided in a shape including a band-shaped portion extending in the payout direction and protruding portions protruding from one side in the width direction of the band-shaped portion and formed at predetermined intervals in the extending direction of the band-shaped portion, the collecting section including a winding roll that winds up the first unnecessary portion and the second unnecessary portion, and a joining roller that guides the first unnecessary portion and the second unnecessary portion from the peeling section to the winding roll, and the joining roller guides the protruding portions of the first unnecessary portion and the second unnecessary portion to the winding roll while entangling them. , characterized in that

[0008] Another aspect of the present invention is a sheet manufacturing method for manufacturing a product sheet in which product portions are attached at predetermined intervals to a strip-shaped release sheet, the method including the steps of: during a process in which a processing sheet having a product portion forming layer adhered to the release sheet is unwound in a longitudinal direction, a cutting step of forming a product portion notch in the product portion forming layer in accordance with an outer edge shape of the product portion and a dividing notch for dividing an unnecessary portion of the product portion forming layer outside the product portion notch; and cutting the unnecessary portion from the release sheet of the processing sheet after the cutting step through the dividing notch. Divide it into the first unnecessary part and the second unnecessary part by a peeling step of peeling the film while peeling the film; The first unnecessary portion and the second unnecessary portion are guided by a joining roller and wound up by a winding roll, A recovery step of recovering the unnecessary portion. The first unnecessary portion and the second unnecessary portion are provided in a shape including a band-shaped portion extending in a payout direction of the processing sheet and protruding portions protruding from one side in a width direction of the band-shaped portion and formed at predetermined intervals in the extending direction of the band-shaped portion, and in the collecting step, the protruding portions of the first unnecessary portion and the protruding portions of the second unnecessary portion are guided to the winding roll while being entangled by the joining roller. The present invention is characterized in that: Effect of the Invention

[0009] According to one aspect of the present invention, when producing a product sheet by dividing and peeling off unnecessary portions using dividing slits, it is possible to avoid increasing the number of devices and shorten the production time. [Brief description of the drawings]

[0010] [Figure 1] FIG. 1 is a front view of a sheet manufacturing apparatus according to an embodiment. [Diagram 2] FIG. 2 is a schematic perspective view of the periphery of a peeling portion in the embodiment. [Diagram 3] 1 is a plan view of a processing sheet immediately after a cut is formed in a cutting section of an embodiment. FIG. [Figure 4] FIG. 4 is a bottom view of the die cutting blade according to the embodiment. [Diagram 5] FIG. 2 is a plan view in which a part of the configuration of the sheet manufacturing apparatus according to the embodiment is omitted. [Figure 6] FIG. 4 is a partial side view of a recovery section according to the embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0011] Hereinafter, a sheet manufacturing apparatus according to an embodiment will be described in detail with reference to the accompanying drawings. Note that the present invention is not limited to the following embodiment, and can be appropriately modified and implemented without departing from the gist of the present invention. In the following drawings, some components may be omitted for the sake of convenience.

[0012] Fig. 1 is a front view of a sheet manufacturing apparatus according to an embodiment. Fig. 2 is a schematic perspective view of the periphery of a peeling unit according to an embodiment. As shown in Fig. 1, a sheet manufacturing apparatus 10 according to this embodiment includes a laminating unit 20, a feeding unit 30, a cutting unit 40, a peeling unit 50, and a recovery unit 60. As shown in Fig. 2, the sheet manufacturing apparatus 10 produces a product sheet TS in which product portions T are attached to a strip-shaped release sheet PS at predetermined intervals after passing through the peeling unit 50. Each component of the sheet manufacturing apparatus 10 is supported via a frame (not shown) or the like.

[0013] In this embodiment, the product part T is formed in a rectangular planar shape, with its long sides parallel to the width direction of the release sheet PS and its short sides parallel to the longitudinal direction (extension direction) of the release sheet PS. Although the product part T is not particularly limited, the following description will be given taking an example in which it is an RFID tag.

[0014] As shown in FIG. 1, the bonding unit 20 includes a release sheet roll 21 on which a strip-shaped release sheet PS is wound in a roll, and a lower roll 22, an intermediate roll 23, and an upper roll 24 for forming the product part T. A strip-shaped base sheet 23a that serves as the base material of the product part T is wound in a roll on the intermediate roll 23, and an antenna and an IC chip that constitute an RFID tag are provided at predetermined intervals on the base sheet 23a. The lower roll 22 and the upper roll 24 have strip-shaped protective sheets 22a and 24a that protect the base material wound in a roll, and an adhesive layer is laminated on the surface of the protective sheets 22a and 24a facing the base sheet 23a. In addition, a double-sided tape is laminated on the surface of the lower protective sheet 22a facing the release sheet PS.

[0015] The lamination unit 20 further includes a drive roller 26 and a pinch roller 27 that sandwiches the release sheet PS, the protective sheets 22a, 24a, and the base sheet 23a between the drive roller 26. The drive roller 26 is driven to rotate by a drive source 28 including a motor or the like. The drive roller 26 and the pinch roller 27 sandwich and laminate the release sheet PS, the protective sheets 22a, 24a, and the base sheet 23a together to form a processing sheet MS before the product part T is formed. In the processing sheet MS, a product part forming layer TL is formed by laminating the protective sheets 22a, 24a, and the base sheet 23a. The product part forming layer TL is adhered (temporarily attached) to the release sheet PS via double-sided tape.

[0016] 1, the processing sheet MS is fed from the left to the right, which is the longitudinal direction of the processing sheet MS, that is, the feeding direction. The processing sheet MS passes through the cutting section 40 and the peeling section 50 to become a product sheet TS, and the product sheet TS is also sandwiched between the driving roller 31 and the pinch roller 32 and is subjected to a force to feed it in the feeding direction. Here, the feeding section 30 is configured by including the driving roller 31, the pinch roller 32, and the driving roller 26 and the pinch roller 27 of the bonding section 20.

[0017] The cutting section 40 forms various cuts, described later, in the product portion forming layer TL while the processing sheet MS is being unwound in the longitudinal direction. The cutting section 40 includes a punching blade 41 disposed above the processing sheet MS, a lifting body 42 that holds the punching blade 41 from above, and a receiving body 43 that is below the processing sheet MS and faces the punching blade 41 with the processing sheet MS sandwiched between them. The lifting body 42 is provided so as to be movable by a predetermined stroke in the vertical direction by a drive device (not shown), and is capable of pressing the punching blade 41 into the product portion forming layer TL of the processing sheet MS.

[0018] Before describing the specific configuration of the punching blade 41, the cuts formed by the punching blade 41 in the product portion forming layer TL will be described below with reference to Fig. 3. Fig. 3 is a plan view of the processing sheet immediately after cuts are formed in the cutting section of the embodiment. As shown in Fig. 3, a plurality of product portion cuts CL1 corresponding to the outer edge shape of the product portion T are formed at predetermined intervals in the payout direction in the product portion forming layer TL. Like the product portion T, the product portion cuts CL1 are formed in a rectangular shape with long sides parallel to the width direction of the product portion forming layer TL and short sides parallel to the payout direction.

[0019] In the product portion forming layer TL, the inside of the product portion notch CL1 becomes the product portion T, and the outside of the product portion notch CL1 becomes the unnecessary portion US. A dividing notch CL2 is formed in the unnecessary portion US at a position connecting the product portion notches CL1 adjacent in the payout direction. The dividing notch CL2 is formed in the widthwise center of the unnecessary portion US (product portion forming layer TL) and divides the unnecessary portion US into a first unnecessary portion US1 and a second unnecessary portion US2. In this embodiment, the first unnecessary portion US1 is arranged at the lower part in FIG. 3, and the second unnecessary portion US2 is arranged at the upper part in the same figure, sandwiching the dividing notch CL2 therebetween.

[0020] The product portion cutouts CL1 are formed by a pressing operation using a punching blade 41 (see FIG. 1) to form a set of five cutouts (shown surrounded by a two-dot chain line rectangle in FIG. 3). Here, the division cutouts CL2 located on both sides of the five product portion cutouts CL1 have an X-shaped portion formed by two cutouts intersecting, and the X-shaped portion is formed to extend in a direction inclined with respect to the payout direction. On the other hand, the other division cutouts CL2 have a +-shaped portion formed by two cutouts intersecting, in other words, are formed by a cutout that extends parallel to the payout direction and continues to the product portion cutouts CL1, and a cut that is perpendicular (intersecting) to the cutout.

[0021] In the unnecessary portion US located on both sides of the product portion notch CL1 in the feeding direction, subdivision notches CL3 are formed. The subdivision notches CL3 are continuous with the long sides of the product portion notch CL1 and are formed at predetermined intervals in the width direction of the product portion forming layer TL, which is a direction intersecting the feeding direction. The subdivision notches CL3 subdivide the unnecessary portion US adjacent to the product portion T in the feeding direction.

[0022] Next, a specific configuration of the punching blade 41 will be described below with reference to Fig. 4. Fig. 4 is a bottom view of the punching blade of the embodiment. As shown in Fig. 4, the punching blade 41 includes a plurality of product portion punching blades 44 (five in this embodiment) that form product portion cuts CL1, a dividing punching blade 45 that forms division cuts CL2, and a subdivision punching blade 46 that forms subdivision cuts CL3.

[0023] The dividing die punching blades 45 are formed at positions connecting the product portion die punching blades 44 adjacent to each other in the payout direction, and are formed so that the two blades cross to form a + shape according to the dividing cut CL2. The dividing die punching blades 45 located on both sides of the five product portion die punching blades 44 in the payout direction have a shape that is bent at one point. As a result, the dividing cut CL2 located on both sides in the payout direction during one pressing operation of the die punching blade 41 are formed to have a portion where the two cuts cross to form an X shape during the next pressing operation.

[0024] The subdivision die cutting blades 46 are connected to both the upstream and downstream sides of the product portion die cutting blade 44 in the payout direction, and are formed in plurality at predetermined intervals in a direction perpendicular to (intersecting) the payout direction.

[0025] Returning to Fig. 1, the peeling unit 50 is provided downstream of the cutting unit 40 in the payout direction. The peeling unit 50 also includes a first peeling blade 51 and a second peeling blade 52 that are arranged along the upper surface of the processing sheet MS paid out downstream of the cutting unit 40. The first peeling blade 51 and the second peeling blade 52 are arranged apart in the payout direction, with the second peeling blade 52 being arranged downstream of the first peeling blade 51 in the payout direction.

[0026] The tip of each of the peeling blades 51, 52 is formed at an acute angle, and is disposed at an incline with respect to the payout direction and width direction of the processing sheet MS (see FIG. 5). As shown in FIG. 2, the first peeling blade 51 sharply folds back only the first unnecessary portion US1 of the processing sheet MS being paid out, and peels it off from the release sheet PS. Moreover, the second peeling blade 52 sharply folds back only the second unnecessary portion US2 of the processing sheet MS from which the first unnecessary portion US1 has been peeled off, and peels it off from the release sheet PS.

[0027] Each peeling blade 51, 52 presses down the processing sheet MS from above while peeling as described above. After the first unnecessary portion US1 and the second unnecessary portion US2 are peeled off by each peeling blade 51, 52, the product sheet TS having product portions T attached to the release sheet PS at predetermined intervals is supplied downstream in the payout direction. Although not shown, the product sheet TS after passing through the peeling unit 50 can be supplied to a device that peels the product portions T from the release sheet PS and attaches them to predetermined positions, or it can be cut into sheets or rolled up for transport, storage, and use.

[0028] The first unnecessary portion US1 and the second unnecessary portion US2 are formed in a comb-tooth shape that is symmetrical in the width direction of the processing sheet MS. Specifically, the first unnecessary portion US1 and the second unnecessary portion US2 each have a band-shaped portion US1a, US2a extending in the payout direction. The first unnecessary portion US1 and the second unnecessary portion US2 each have a protruding portion US1b, US2b protruding from one side in the width direction of the band-shaped portion US1a, US2a and formed at predetermined intervals in the extension direction of the band-shaped portion US1a, US2a.

[0029] The peeling positions of the first unnecessary portion US1 and the second unnecessary portion US2 in the payout direction are shifted so that the unnecessary portion US is separated into the first unnecessary portion US1 and the second unnecessary portion US2 in the peeling unit 50. As a result, when the first unnecessary portion US1 is peeled off, the second unnecessary portion US2 remains attached to the release sheet PS, so that the product portion T can be prevented from being peeled off together with the unnecessary portion US and rising up together.

[0030] Furthermore, when the first peeling blade 51 peels off the first unnecessary portion US1, the first unnecessary portion US1 and the second unnecessary portion US2 are separated by the dividing cut CL2. In this division, since the dividing cut CL2 is formed with two intersecting cuts, it is possible to smoothly separate the first unnecessary portion US1 from the second unnecessary portion US2.

[0031] Furthermore, since a plurality of subdivision notches CL3 are formed in series on the long side of the product part notch CL1 to subdivide the protrusions US1b, US2b, it is possible to smoothly separate the protrusions US1b, US2b from the product part T when peeling off the unnecessary part US. This also makes it possible to prevent the product part T from being peeled off together with the unnecessary part US and from rising up together, and also makes it possible to prevent the protrusions US1b, US2b from being torn and remaining on the release sheet PS.

[0032] Returning to FIG. 1, the recovery unit 60 includes a first guide roller 61, a second guide roller 62, a joining roller 63, and a take-up roll 64, and recovers the unnecessary portion US peeled off in the peeling unit 50.

[0033] The first guide roller 61 loops around the first unnecessary portion US1 peeled off by the first peeling blade 51 and guides it to the joining roller 63. The second guide roller 62 loops around the second unnecessary portion US2 peeled off by the second peeling blade 52 and guides it to the joining roller 63.

[0034] The adhesive layer side of each of the unnecessary parts US1, US2 contacts and is looped around each of the guide rollers 61, 62, so that the surfaces of the unnecessary parts US1, US2 are coated with fluororesin, silicone resin, or the like to allow smooth payout of each of the unnecessary parts US1, US2.

[0035] Fig. 5 is a plan view in which some components of a sheet manufacturing apparatus in an embodiment are omitted. In Fig. 5 and Fig. 6 described later, the division cut CL2 extending in a direction intersecting the payout direction and the subdivision cut CL3 are omitted. As shown in Fig. 5, a single first collar 65 is attached to the first guide roller 61. The first collar 65 is provided adjacent to the opposite side of the strip portion US1a of the first unnecessary portion US1 from the protrusion portion US1b.

[0036] The first collar 65 is provided so that the mounting position in the axial direction of the first guide roller 61 can be adjusted. For example, the first guide roller 61 is press-fitted into a hole in the first collar 65, and the axial position adjustment and positioning can be performed by the frictional resistance therebetween. By adjusting the position of the first collar 65, the looping position of the first unnecessary portion US1 with respect to the first guide roller 61 can be adjusted. By adjusting the looping position, the payout direction (angle) of the first unnecessary portion US1 after being folded back by the first peeling blade 51 can be adjusted, and the peeled state of the first unnecessary portion US1 can be adjusted.

[0037] A single second collar 66 is attached to the second guide roller 62. The second collar 66 is provided adjacent to the strip portion US2a of the second unnecessary portion US2 on the opposite side to the protruding portion US2b.

[0038] The second collar 66 is provided so that the mounting position in the axial direction of the second guide roller 62 can be adjusted. For example, the second guide roller 62 is press-fitted into a hole in the second collar 66, and the axial position adjustment and positioning can be performed by the frictional resistance therebetween. By adjusting the position of the second collar 66, it is possible to adjust the looping position of the second unnecessary portion US2 with respect to the second guide roller 62. By adjusting the looping position, it is possible to adjust the payout direction (angle) of the second unnecessary portion US2 after being folded back by the second peeling blade 52, and it is possible to adjust the peeling state of the second unnecessary portion US2.

[0039] In addition, the first unnecessary portion US1 and the second unnecessary portion US2 fed between each of the guide rollers 61, 62 and the joining roller 63 have larger drooping amounts of the protrusions US1b, US2b as they move away from each of the guide rollers 61, 62 (see FIG. 1). Then, when the protrusions US1b, US2b reach the joining roller 63, they are substantially entirely in a state of drooping downward.

[0040] The joining roller 63 wraps around the first unnecessary portion US1 and the second unnecessary portion US2 that have passed from the peeling section 50 through the guide rollers 61, 62, and guides them to the take-up roll 64. The joining roller 63 is provided with a pair of joining collars 68 located on both sides in the width direction of the first unnecessary portion US1 and the second unnecessary portion US2 that it guides.

[0041] The separation width between the pair of joining collars 68 is set smaller than the width dimensions of the first unnecessary portion US1 and the second unnecessary portion US2. Thus, the joining collar 68 guides the first unnecessary portion US1 and the second unnecessary portion US2 to approach each other as they advance in the payout direction after passing through the guide rollers 61, 62. As a result, the strip-shaped portion US1a of the first unnecessary portion US1 and the strip-shaped portion US2a of the second unnecessary portion US2 are adjacent to each other at a position where they reach the joining roller 63, or are quite close to each other with a gap therebetween.

[0042] The pair of joining collars 68 are provided so that their mounting positions in the axial direction of the joining roller 63 can be adjusted. For example, the joining roller 63 is press-fitted into a hole in the joining collar 68, and the axial position adjustment and positioning can be performed by the frictional resistance therebetween. By adjusting the position of each joining collar 68, the separation width of each joining collar 68 can be adjusted, and the relative positions of the first unnecessary portion US1 and the second unnecessary portion US2 approaching each other can be adjusted.

[0043] The joining roller 63 reverses the first unnecessary portion US1 and the second unnecessary portion US2 and guides them to the winding roll 64. By this reversal, the joining roller 63 intertwines the protruding portion US1b of the first unnecessary portion US1 and the protruding portion US2b of the second unnecessary portion US2 so that they are alternately positioned in the payout direction (see FIG. 1 and FIG. 6 in addition to FIG. 5).

[0044] Fig. 6 is a partial side view of the recovery unit in the embodiment. Fig. 6A is a view taken along the arrow A in Fig. 1, and Fig. 6B is a view taken along the arrow B in Fig. 1 (a view taken from the back of Fig. 6A). As shown in Fig. 6, the winding roll 64 winds up the first unnecessary part US1 and the second unnecessary part US2 that are in an entangled state after passing through the joining roller 63 (see Fig. 5). The winding roll 64 includes a winding shaft 64a and flange parts 64b provided on both axial sides of the winding shaft 64a. The winding roll 64 is driven to rotate by a driving source 70 (see Fig. 1) including a motor or the like, and exerts a force to wind up the unnecessary parts US1 and US2.

[0045] In collecting the unnecessary parts US1 and US2 in the collecting section 60, the protruding portion US1b of the first unnecessary part US1 and the protruding portion US2b of the second unnecessary part US2 are entangled as they pass through the joining roller 63, and can be wound up after being bundled together. This makes it possible to prevent the length of each of the unnecessary parts US1 and US2 from the peeling position in the peeling section 50 to the entanglement position at the joining roller 63 from changing over time. As a result, it is possible to stabilize the tension of each of the unnecessary parts US1 and US2, and also to stabilize winding by suppressing the occurrence of a difference in tension between each of the unnecessary parts US1 and US2.

[0046] Here, assuming that the unnecessary parts US1 and US2 are not entangled, unlike the above embodiment, there is a high possibility that the unnecessary parts US1 and US2 wound around the winding shaft 64a will be biased toward one of the pair of flange portions 64b. In this case, the winding diameter of the unnecessary parts US1 and US2 will be relatively large in the axial direction of the winding shaft 64a at some places and small at other places. If winding is continued in this state, at least one of the unnecessary parts US1 and US2 will move to the place where the winding diameter is small, and the tension of the unnecessary parts US1 and US2 will change.

[0047] In this regard, in the present embodiment, the unnecessary parts US1 and US2 are wound up in an entangled state as shown in Fig. 6, so that the width of the entangled state is kept constant, and the winding diameter can be maintained constant in the axial direction of the winding shaft 64a. This makes it possible to prevent the unnecessary parts US1 and US2 from moving in the axial direction of the winding shaft 64a, and stabilize the tension of the unnecessary parts US1 and US2.

[0048] Next, there will be described a sheet manufacturing method for the product sheet TS by the sheet manufacturing apparatus 10. This sheet manufacturing method is carried out in the order of a laminating step, a cutting step, a peeling step, and a collecting step.

[0049] 1, in the lamination step, the release sheet PS, the protective sheets 22a, 24a, and the base sheet 23a are sandwiched and laminated together by the drive roller 26 and the pinch roller 27. This forms the processing sheet MS before the formation of the product part T. The processing sheet MS is formed with a product part forming layer TL that forms the product part T by laminating the protective sheets 22a, 24a, and the base sheet 23a, and a release sheet PS to which the product part forming layer TL is adhered via double-sided tape.

[0050] A cutting process is carried out on the processing sheet MS that has completed the lamination process and is in the process of being unwound in the longitudinal direction. In the cutting process, the lifting body 42 is raised and lowered at the timing when the processing sheet MS that is being intermittently unwound stops, thereby pressing the die cutting blade 41 against the product portion forming layer TL. As a result, the product portion die cutting blade 44, the division die cutting blade 45, and the subdivision die cutting blade 46 (see FIG. 4) of the die cutting blade 41 form product portion cuts CL1, division cuts CL2, and subdivision cuts CL3 in the product portion forming layer TL, as shown in FIG. 2 and FIG. 3.

[0051] A peeling process is carried out on the processing sheet MS that has been cut and is fed out downstream in the feed direction from the cutting section 40. In the peeling process, first, in the processing sheet MS being fed out, the first peeling blade 51 folds back only the first unnecessary portion US1 and peels it off from the release sheet PS. In this peeling, the second unnecessary portion US2 is pressed down from above by the first peeling blade 51 and maintained in a state adhered to the release sheet PS together with the product portion T. As a result, in the unnecessary portion US, the first unnecessary portion US1 is separated from the second unnecessary portion US2 by the dividing cut CL2.

[0052] In the peeling step, downstream in the payout direction of the processing sheet MS from the first peeling blade 51, the second peeling blade 52 folds back only the second unnecessary portion US2 and peels it off from the release sheet PS. In this peeling, the product portion T remains adhered to the release sheet PS, and after passing through the second peeling blade 52, the product sheet TS in which the product portions T are attached to the release sheet PS at predetermined intervals is supplied downstream in the payout direction.

[0053] A recovery process is carried out on the unnecessary parts US1, US2 peeled off by the peeling blades 51, 52 after the peeling process. In the recovery process, the first unnecessary part US1 and the second unnecessary part US2 passing through the guide rollers 61, 62 from the peeling section 50 are guided by the joining roller 63 to the take-up roll 64, and the unnecessary parts US1, US2 are wound up by the take-up roll 64 and recovered.

[0054] In the recovery process, the unnecessary parts US1, US2 are guided to approach each other by a pair of joining collars 68 of the joining roller 63. Also, in the recovery process, the unnecessary parts US1, US2 are inverted by the joining roller 63 before being wound up by the winding roll 64, so that the protruding portion US1b of the first unnecessary part US1 and the protruding portion US2b of the second unnecessary part US2 are entangled so as to be alternately positioned in the payout direction.

[0055] As described above, in the above embodiment, the cutting section 40 can form the incisions CL1 to CL3, and the peeling section 50 and the recovery section 60 can peel and collect the unnecessary parts US in a single sheet manufacturing apparatus 10. This eliminates the need for a dedicated device for only forming the incisions and a dedicated device for winding up the raw roll on which the incisions have been formed, as in the conventional method. As a result, in the embodiment, it is possible to avoid an increase in the number of various devices, and thus to avoid an increase in the space required for installing the devices. In addition, in the embodiment, the formation of the incisions CL1 to CL3 and the peeling and collection of the unnecessary parts US can be performed by a series of feeding of the processing sheet MS, and the manufacturing time of the product sheet TS can be shortened.

[0056] The present invention is not limited to the above-mentioned embodiment, and can be modified in various ways. In the above-mentioned embodiment, the size, shape, direction, etc. shown in the attached drawings are not limited to these, and can be modified as appropriate within the scope of the effects of the present invention. In addition, the present invention can be modified as appropriate without departing from the scope of the purpose of the present invention.

[0057] In the above embodiment, the processing sheet MS in which the product portion forming layer TL is adhered to the release sheet PS is formed by laminating, adhering, etc. in the laminating unit 20, but this is not limited to this. For example, the processing sheet MS may be prepared in advance as a raw material roll and fed to the cutting unit 40, and in such a configuration the laminating unit 20 can be omitted.

[0058] The product part T may be various strips or labels other than the RFID tag. Furthermore, the planar shape of the product part T may be changed in various ways, such as a polygonal shape other than a circle or a rectangle, as long as the unnecessary part US can be peeled off in the same manner as in the above embodiment.

[0059] In the above embodiment, the subdivision cuts CL3 are formed in the unnecessary portions US located on both the upstream and downstream sides in the payout direction of the product portion cuts CL1, but they may be formed only on the downstream side in the payout direction.

[0060] In the above embodiment, the dividing cut CL2 is formed so that two cuts intersect, but it may be formed by one cut parallel to the payout direction. However, forming the dividing cut CL2 so that two cuts intersect is advantageous in that it can more smoothly promote the division of the first unnecessary portion US1 from the second unnecessary portion US2. [Explanation of symbols]

[0061] 10: Sheet manufacturing equipment 40: Cutting section 44: Product part die cutting blade 45: Dividing die cutter 46: Subdivision die cutter 50: Peeling part 60: Collection Department 61: First guide roller 62: Second guide roller 63: Joining roller 64: Winding roll 65: 1st color 66: 2nd color 68: Joint collar CL1: Notch for product part CL2: Cutting depth for division CL3: Subdivision notch MS: Processing sheet PS: Release sheet T:Product Department TL: Product part forming layer TS: Product Sheet US:Unnecessary part US1: 1st unnecessary part US1a: Belt US1b:Protrusion US2: 2nd unnecessary part US2a: Belt US2b:Protrusion

Claims

1. A sheet manufacturing apparatus for manufacturing a product sheet in which product portions are attached to a strip-shaped release sheet at predetermined intervals, comprising: a cutting section that forms a product portion notch in the product portion forming layer according to an outer edge shape of the product portion in a process in which the processing sheet having the product portion forming layer adhered to the release sheet is unwound in the longitudinal direction; a peeling section provided downstream of the cutting section in the payout direction of the processing sheet, the peeling section peeling off an unnecessary portion of the product portion forming layer outside the product portion cutout from the release sheet; a collecting unit that collects the unnecessary part peeled off by the peeling unit, The cutting section includes a plurality of product portion die-cutting blades that form the product portion notches, and a dividing die-cutting blade that connects the product portion die-cutting blades adjacent to each other in the feeding direction, The dividing die cutting blade forms a dividing notch for dividing the unnecessary portion, the peeling section divides the unnecessary portion into a first unnecessary portion and a second unnecessary portion by the dividing notch and peels the divided unnecessary portion from the release sheet; the first unnecessary portion and the second unnecessary portion are provided in a shape including a band-shaped portion extending in the payout direction and protruding portions protruding from one width direction side of the band-shaped portion and formed at predetermined intervals in the extension direction of the band-shaped portion, the recovery unit includes a winding roll that winds up the first unnecessary portion and the second unnecessary portion, and a joining roller that guides the first unnecessary portion and the second unnecessary portion from the peeling unit to the winding roll, The joining roller guides the protruding portion of the first unnecessary portion and the protruding portion of the second unnecessary portion to the winding roll while entangling them. A sheet manufacturing apparatus comprising:

2. The dividing die cutting blade cuts off the unnecessary portion so that the dividing cut has at least two intersecting cuts. The sheet manufacturing apparatus according to claim 1 .

3. The joining roller is provided with a pair of joining collars located on both sides in the width direction of the first unnecessary portion and the second unnecessary portion to be guided. The sheet manufacturing apparatus according to claim 1 or 2.

4. The collecting unit includes a first guide roller that guides the first unnecessary portion peeled off by the peeling unit to the joining roller; a first collar attached to the first guide roller so as to be capable of adjusting an attachment position in an axial direction of the first guide roller; a second guide roller that guides the second unnecessary portion peeled off at the peeling unit to the joining roller; and a second collar attached to the second guide roller so that a mounting position of the second guide roller in an axial direction can be adjusted. The sheet manufacturing apparatus according to claim 3 .

5. A sheet manufacturing method for manufacturing a product sheet having product portions attached at predetermined intervals to a strip-shaped release sheet, comprising the steps of: a cutting process in which, during the process of unrolling the processing sheet in which the product portion forming layer is adhered to the release sheet in the longitudinal direction, a product portion notch is formed in the product portion forming layer in accordance with the outer edge shape of the product portion and a dividing notch is formed in the product portion forming layer to divide an unnecessary portion outside the product portion notch; a peeling step of peeling off the unnecessary portion from the release sheet of the processing sheet that has been subjected to the cutting step while dividing the unnecessary portion into a first unnecessary portion and a second unnecessary portion by the dividing cut; a recovery process of recovering the unnecessary parts by guiding the first unnecessary part and the second unnecessary part peeled off in the peeling process by a joining roller and winding them up on a winding roll, The first unnecessary portion and the second unnecessary portion are provided in a shape including a band-shaped portion extending in a payout direction of the processing sheet and a protruding portion protruding from one side in a width direction of the band-shaped portion and formed at predetermined intervals in the extension direction of the band-shaped portion, In the collecting step, the protruding portion of the first unnecessary portion and the protruding portion of the second unnecessary portion are guided to the winding roll while being entangled by the joining roller. A sheet manufacturing method comprising the steps of:

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