Sheet-like member separating apparatus

Abstract

To provide a separation device capable of easily changing a separation interval of a sheet-like member.SOLUTION: A separation device (1) includes an anvil roll (2) configured to feed a sheet-like member (10) while the sheet-like member (10) is sucked onto the anvil roll (2), a cutter roll (3) configured to cut the sheet-like member (10) sucked onto the anvil roll (2), a transfer roll (4) including a first region (4b) from which air is ejected and a second region (4c) in which ejection and suction of air can be switched, and a transport unit (5a) configured to transport the sheet-like member (10) that has been cut. The conveyance part (5a) ejects air from the entire area of the transfer roll (4) facing the cut sheet member (10), and accelerates the cut sheet member (10) at a preset acceleration in a state where the cut sheet member (10) is separated from the anvil roll (2).SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to a sheet-like member separation device. [Background technology]

[0002] For example, when a new sheet-like member is to be stacked on a sheet-like member being conveyed at a predetermined interval, the new sheet-like member needs to be separated and stacked on the sheet-like member. For this reason, for example, the stacking device of Patent Document 1 uses a so-called quad roll to separate the new sheet-like member and stack it on the sheet-like member. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2012-106370 Summary of the Invention [Problem to be solved by the invention]

[0004] The present applicant has found the following problem: The laminating device of Patent Document 1 separates new sheet-like members using a so-called quad roll, and therefore has a problem in that the separation interval of the new sheet-like members cannot be easily changed.

[0005] The present disclosure has been made in consideration of such problems, and provides a separation device that can easily change the separation interval of sheet-like members. [Means for solving the problem]

[0006] A sheet-like member separation device according to one aspect of the present disclosure is a sheet-like member separation device comprising: an anvil roll that feeds the sheet-like member while adsorbing it; a cutter roll that cuts the sheet-like member adsorbed to the anvil roll; a transfer roll that includes a roll section and has a first region that sprays air radially outward of the roll section and a second region that can switch between spraying air radially outward of the roll section and sucking air radially inward of the roll section; and a conveying section that conveys the cut sheet-like member; The conveying section rotates the transfer roll while the front end of the sheet-like material is adsorbed in the second region of the transfer roll, and the front end of the sheet-like material is handed over to the conveying section; the rotation of the transfer roll with the sheet-like material cut causes the cut sheet-like material on the transfer roll to face the first region; air is ejected from the entire area of ​​the transfer roll facing the cut sheet-like material; and the rotation of the anvil roll causes the cut sheet-like material to move away from the anvil roll, and the anvil roll accelerates the cut sheet-like material at a preset acceleration. [Effects of the Invention]

[0007] According to the present disclosure, a separation device that can easily change the separation interval of sheet-like members can be realized. [Brief explanation of the drawings]

[0008] [Figure 1] 4A and 4B are diagrams for explaining how a sheet-like member is separated in the separating device of the first embodiment. [Figure 2] 10 is a diagram for explaining how a sheet-like member is separated in the separating device of the second embodiment. FIG. [Figure 3] 10 is a diagram for explaining how a sheet-like member is separated in a separating device according to a third embodiment. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0009] Specific embodiments to which the present disclosure is applied will be described in detail below with reference to the drawings. However, the present disclosure is not limited to the following embodiments. In addition, the following description and drawings have been simplified as appropriate for clarity of explanation.

[0010] <First Embodiment> First, the configuration of a sheet-like material separating device (hereinafter sometimes simply referred to as a separating device) according to this embodiment will be described. Figures 1(a) to 1(d) are diagrams for explaining how a sheet-like material is separated in the separating device according to this embodiment. Here, in the following description, for clarity, a three-dimensional (XYZ) coordinate system will be used.

[0011] The separation device 1 of this embodiment is suitable for stacking a sheet-like member 10, which is either an electrode or a separator, on a laminated member 11, which is the other of the electrode or the separator, as shown in Figures 1(a) to 1(d). In the following description, the cut sheet-like member may be given the reference symbol 10a, and the sheet-like member following the cut sheet-like member 10a may be given the reference symbol 10b to distinguish them from each other.

[0012] As shown in FIG. 1(a), the separation device 1 includes an anvil roll 2, a cutter roll 3, a transfer roll 4, and a conveying device 5. The anvil roll 2 includes, for example, a roll portion 2a, similar to a typical anvil roll. The roll portion 2a has a circular shape when viewed in the Y-axis direction and extends in the Y-axis direction. A plurality of through holes 2b are formed in the peripheral surface of the roll portion 2a.

[0013] The length of the roll portion 2a in the Y-axis direction is longer than the width dimension of the sheet-like material 10 in the Y-axis direction. Furthermore, the circumferential length of the roll portion 2a is approximately equal to the length of the cut sheet-like material, as will be explained later. The anvil roll 2 is configured such that, for example, a pump or the like is connected to a communication portion 2c formed inside the anvil roll 2 and communicating with the through-hole 2b, so that air can be sucked through the through-hole 2b. Furthermore, the anvil roll 2 is connected to a drive device and is configured to be rotatable counterclockwise when viewed from the Y-axis + side.

[0014] As shown in FIG. 1(a), the cutter roll 3 is disposed on the + side of the Z axis relative to the anvil roll 2. As with a typical cutter roll, the cutter roll 3 includes a roll portion 3a and a cutting blade 3b. The roll portion 3a is circular when viewed from the Y axis direction and extends in the Y axis direction. The cutting blade 3b protrudes from the roll portion 3a radially outward from the roll portion 3a and extends in the Y axis direction. The lengths of the roll portion 3a and the cutting blade 3b in the Y axis direction are longer than the width dimension of the sheet-like material 10 in the Y axis direction. The cutter roll 3 is connected to a drive device and is configured to be rotatable clockwise when viewed from the + side of the Y axis.

[0015] The transfer roll 4 is disposed on the positive side of the X-axis relative to the anvil roll 2, for example, as shown in FIG. 1(a). The transfer roll 4 has a roll portion 4a having a configuration substantially identical to that of the roll portion 2a of the anvil roll 2. The roll portion 4a is circular when viewed in the Y-axis direction and extends in the Y-axis direction. The length of the roll portion 4a in the Y-axis direction is longer than the width dimension of the sheet-like member 10 in the Y-axis direction. The roll portion 4a has a first region 4b and a second region 4c. The first region 4b is a region from which air is ejected radially outward from the roll portion 4a. Therefore, a plurality of first through holes are formed in the first region 4b.

[0016] The first region 4b is formed, for example, inside the roll portion 4a, and is configured such that a pump or the like is connected to a first communication portion that communicates with the first through-hole, allowing air to be ejected from the first through-hole. The second region 4c, as shown in Figures 1(a) to 1(d), is an area that can switch between ejecting air radially outward from the roll portion 4a and sucking air radially inward from the roll portion 4a. Therefore, multiple second through-holes are formed in the second region 4c.

[0017] In this case, the second region 4c may include a first portion 4d and a second portion 4e, as shown in Fig. 1(a), for example. The first portion 4d, which will be described in detail later, is a portion that can adsorb the leading end of the following sheet-like member 10b relative to the cut sheet-like member 10a. The second portion 4e, which will be described in detail later, is a portion that can adsorb the trailing end of the cut sheet-like member 10a, and is disposed on the rotational direction side of the anvil roll 2 relative to the first portion 4d.

[0018] The second through-holes of the first portion 4d and the second portion 4e may be connected to a pump or the like via, for example, a mechanical valve that can switch between an air suction path and an air supply path depending on the rotation angle of the roll portion 4a, and a second communication portion formed inside the roll portion 4a and communicating with the second through-hole. This allows the second region 4c to individually switch between air suction and air ejection in the first portion 4d and the second portion 4e depending on the rotation angle of the roll portion 4a. The transfer roll 4 is connected to a drive device and is rotatable clockwise when viewed from the Y-axis + side.

[0019] The conveying device 5 may be, for example, a moving magnet type linear motor. The conveying device 5 includes, for example, conveying sections 5a as shown in FIG. 1(a). The conveying sections 5a are arranged at predetermined intervals in the X-axis direction and include a placement surface on which the stacked members 11 are placed. The conveying sections 5a can be moved toward the positive side of the X-axis by the linear motor. At this time, the conveying sections 5a can be accelerated at a preset acceleration by the linear motor.

[0020] Next, the flow of separating the sheet-like member 10 using the separating device 1 of this embodiment will be described. Here, the following description will explain the flow when there is no cut sheet-like member 10a yet, and the cut sheet-like member 10a is separated and conveyed from the following sheet-like member 10b. Here, it is assumed that air continues to be sucked from the through-hole 2b of the anvil roll 2, and air continues to be ejected from the first through-hole in the first region 4b of the transfer roll 4. It is also assumed that the anvil roll 2 continues to rotate. It is also assumed that the sheet-like member 10 is sent to the + side of the X-axis.

[0021] In this state, first, as shown in FIG. 1( a), the anvil roll 2 adsorbs and winds the sheet-like member 10, and the sheet-like member 10 is conveyed so as to pass between the anvil roll 2 and the cutter roll 3. Simultaneously, the transfer roll 4 rotates, and when the leading edge of the sheet-like member 10 is positioned near the end of the anvil roll 2 on the +X axis side (i.e., the 9 o'clock position as viewed from the +Y axis side), the first portion 4d of the second region 4c of the transfer roll 4 is positioned on the -X axis side, and the first portion 4d and the second portion 4e of the second region 4c of the transfer roll 4 are switched from an air ejection state to an air suction state. At this time, the suction force of the first portion 4d of the second region 4c of the transfer roll 4 on the leading edge of the sheet-like member 10 is set to be stronger than the suction force of the anvil roll 2 on the leading edge of the sheet-like member 10. As a result, the leading edge of the sheet-like member 10 is adsorbed to the first portion 4d of the second region 4c of the transfer roll 4 and delivered from the anvil roll 2 to the transfer roll 4.

[0022] Next, as shown in FIG. 1( b), the transfer roll 4 rotates to pull in the leading end of the sheet-like member 10, and the conveying unit 5a on which the laminated member 11 is placed moves toward the +X-axis side. The leading end of the sheet-like member 10, located near the end of the transfer roll 4 on the -Z-axis side (i.e., the 6 o'clock position when viewed from the +Y-axis side), is attached to the laminated member 11 in the second region 4c of the transfer roll 4. At this time, it is preferable that an adhesive or the like is applied to the surface of the laminated member 11 on the +Z-axis side. As the transfer roll 4 rotates, the conveying unit 5a moves toward the +X-axis side to pull in the sheet-like member 10 and laminate it on the laminated member 11. At this time, it is preferable that the transfer speed of the sheet-like member 10 by the transfer roll 4 and the moving speed of the conveying unit 5a are synchronized with the conveying speed of the sheet-like member 10 by the anvil roll 2.

[0023] Here, as the transfer roll 4 rotates and the second portion 4e and the first portion 4d of the second region 4c pass the end of the transfer roll 4 on the negative side of the Z axis, the second portion 4e and the first portion 4d of the second region 4c may be switched from an air suction state to an air ejection state in that order. This causes both the first region 4b and the second region 4c of the transfer roll 4 to be in an air ejection state. Therefore, by rotating the transfer roll 4 at a speed faster than the conveyance speed of the sheet-like member 10, for example, the second region 4c of the transfer roll 4 can be positioned near the end of the transfer roll 4 on the positive side of the Z axis (i.e., the 12 o'clock position when viewed from the positive side of the Y axis), which is in a standby state.

[0024] Next, as shown in FIG. 1(c), the cutter roll 3 rotates in synchronization with the conveyance speed of the sheet-like member 10 by the anvil roll 2, and the cutting blade 3b of the cutter roll 3 cuts the sheet-like member 10 at the position where the cutting blade 3b of the cutter roll 3 comes closest to the anvil roll 2. As a result, the sheet-like member 10 is separated into a cut sheet-like member 10a and a subsequent sheet-like member 10b. Then, when the transfer roll 4 rotates and the rear end of the cut sheet-like member 10a is positioned near the end of the anvil roll 2 on the + side of the X axis, the second portion 4e of the second region 4c of the transfer roll 4 is positioned on the - side of the X axis, and the first portion 4d and the second portion 4e of the second region 4c of the transfer roll 4 are switched from an air ejection state to an air suction state. At this time, the suction force of the second part 4e of the second region 4c of the transfer roll 4 on the rear end of the cut sheet-like material 10a is set to be stronger than the suction force of the anvil roll 2 on the rear end of the cut sheet-like material 10a.

[0025] As a result, the rear end of the cut sheet-like member 10a is adsorbed to the second portion 4e of the second region 4c of the transfer roll 4 and is delivered from the anvil roll 2 to the transfer roll 4. Then, when the transfer roll 4 rotates and the front end of the following sheet-like member 10b is positioned near the end of the anvil roll 2 on the + side of the X axis, the first portion 4d of the second region 4c of the transfer roll 4 is positioned on the - side of the X axis. At this time, the suction force of the first portion 4d of the second region 4c of the transfer roll 4 on the front end of the following sheet-like member 10b is set stronger than the suction force of the anvil roll 2 on the front end of the following sheet-like member 10b. As a result, the front end of the following sheet-like member 10b is adsorbed to the first portion 4d of the second region 4c of the transfer roll 4 and is delivered from the anvil roll 2 to the transfer roll 4.

[0026] Next, the transfer roll 4 rotates, and when the rotation angle of the transfer roll 4 exceeds a predetermined rotation angle at which the gap between the rear end of the cut sheet-like material 10a and the laminated material 11 placed on the conveying section 5a becomes equal to or smaller than a preset threshold, the second portion 4e of the second region 4c is switched from an air suction state to an air ejection state, as shown in FIG. 1(d). As a result, the entire area of ​​the transfer roll 4, including the first region 4b facing the cut sheet-like material 10a, is in an air ejection state. In other words, the cut sheet-like material 10a is not in contact with the transfer roll 4.

[0027] In this state, the conveying unit 5a accelerates at a preset acceleration. This allows the cut sheet-like member 10a to be conveyed to the conveying unit 5a at high speed, separating the rear end of the cut sheet-like member 10a from the following sheet-like member 10b with a preset gap. Therefore, a gap can be created between the cut sheet-like member 10a and the following sheet-like member 10b that allows the cut sheet-like member 10a to be properly stacked on the stacking target member 11 being conveyed sequentially toward the +X-axis side. By appropriately changing the acceleration of the conveying unit 5a, the separation gap between the cut sheet-like member 10a and the following sheet-like member 10b can be easily changed. After that, by returning to the state shown in FIG. 1(a) and repeating the above process, the cut sheet-like member 10a can be stacked on the stacking target member 11 being conveyed sequentially toward the +X-axis side.

[0028] As described above, in the separation device 1 of this embodiment, the sheet-like material 10 is delivered to the conveying unit 5a with its leading end held by the second region 4c of the transfer roll 4. Then, the transfer roll 4 rotates, and air is ejected from the entire area of ​​the transfer roll 4 facing the cut sheet-like material 10a. The conveying unit 5a then accelerates at a preset acceleration. This allows a gap between the cut sheet-like material 10a and the following sheet-like material 10b that allows the cut sheet-like material 10a to be properly stacked on the stacking target material 11 being conveyed sequentially toward the +X-axis side, for example. By appropriately changing the acceleration of the conveying unit 5a, the separation gap between the cut sheet-like material 10a and the following sheet-like material 10b can be easily changed. Furthermore, when the conveying unit 5a accelerates and moves, the cut sheet-like material 10a does not come into contact with the transfer roll 4. This allows the sheet-like material 10 to be separated while minimizing damage to the cut sheet-like material 10a. Furthermore, the sheet-like members 10 can be separated by the movement of the conveying section 5a without using a large-scale device such as the quad roll of the laminating device of Patent Document 1. Therefore, the separating device 1 can be made smaller.

[0029] <Embodiment 2> 2(a) to 2(c) are diagrams illustrating the separation of a sheet-like material in the separating device of this embodiment. As shown in FIGS. 2(a) to 2(c), the separating device 21 of this embodiment has substantially the same configuration as the separating device 1 of embodiment 1, and therefore, redundant explanations will be omitted. However, the anvil roll 22 is shared with the transfer roll. As shown in FIG. 2(a), the anvil roll 22 is disposed on the positive side of the X axis and the negative side of the Z axis relative to the cutter roll 3. The anvil roll 22 includes a roll portion 22a. The roll portion 22a includes, for example, a cutting board region 22b, a first region 22c, and a second region 22d.

[0030] As shown in FIG. 2(a), the cutting board region 22b is disposed in a region of the roll portion 22a that faces the cutting blade 3b of the cutter roll 3 when cutting the sheet-like material 10. For example, the cutting board region 22b may be configured to prevent the roll portion 22a from being damaged by the cutting blade 3b. Therefore, the cutting board region 22b may be made of resin, for example, or may have an escape groove formed therein to allow the tip of the cutting blade 3b of the cutter roll 3 to escape. The first region 22c has a configuration similar to the first region 4b of the transfer roll 4 of the first embodiment. The second region 22d has a configuration substantially identical to the second region 4c of the transfer roll 4 of the first embodiment, except that the cutting board region 22b is sandwiched between the first portion 22e and the second portion 22f in the rotational direction of the anvil roll 22.

[0031] Using such a separating device 21, the sheet-like member 10 is separated as follows. Here, the following description will explain the flow of cutting and separating the sheet-like member 10 whose leading end has already been attached to the laminated member 11. First, the sheet-like member 10 sent toward the negative X-axis side is wound around the anvil roll 22 from which air is ejected from the first region 22c and the second region 22d, and is pulled in by a predetermined length by the conveying unit 5a, while the cutter roll 3 and the anvil roll 22 rotate in synchronization with the conveying speed of the sheet-like member 10 by the conveying unit 5a.

[0032] 2(a), when the cutting blade 3b of the cutter roll 3 and the cutting board region 22b of the anvil roll 22 are closest to each other, the first portion 22e and the second portion 22f of the second region 22d of the anvil roll 22 are switched from an air ejection state to an air suction state, and the sheet-like material 10 is cut by the cutting blade 3b of the cutter roll 3 while the sheet-like material 10 is being attracted to the first portion 22e and the second portion 22f of the second region 22d of the anvil roll 22. As a result, the sheet-like material 10 is separated into the cut sheet-like material 10a and the following sheet-like material 10b. At this time, the leading end of the following sheet-like material 10b is attracted to the first portion 22e of the second region 22d of the anvil roll 22, and the trailing end of the cut sheet-like material 10a is attracted to the second portion 22f of the second region 22d of the anvil roll 22.

[0033] Next, as the cutter roll 3 and the anvil roll 22 rotate, the conveying section 5a moves, and when the rotation angle of the anvil roll 22 exceeds a predetermined rotation angle at which the gap between the rear end of the cut sheet-like material 10a and the laminated material 11 placed on the conveying section 5a becomes equal to or smaller than a preset threshold, the second portion 22f of the second region 22d is switched from an air suction state to an air ejection state, as shown in FIG. 2(b). As a result, the entire area of ​​the anvil roll 22, including the first region 22c facing the cut sheet-like material 10a, is in an air ejection state. In other words, the cut sheet-like material 10a is not in contact with the anvil roll 22.

[0034] In this state, the conveying unit 5a accelerates at a preset acceleration. This allows the cut sheet-like material 10a to be conveyed at high speed to the conveying unit 5a, and the cut sheet-like material 10a can be separated from the trailing end of the cut sheet-like material 10a by a preset distance. Therefore, a distance can be created between the cut sheet-like material 10a and the following sheet-like material 10b that allows the cut sheet-like material 10a to be properly stacked on the stacking target material 11, which is being conveyed sequentially toward the + side of the X-axis. By appropriately changing the acceleration of the conveying unit 5a, the separation distance between the cut sheet-like material 10a and the following sheet-like material 10b can be easily changed.

[0035] Next, with the leading edge of the succeeding sheet-like member 10b being attracted to the first portion 22e of the second region 22d of the anvil roll 22, the anvil roll 22 rotates to pull in the leading edge of the sheet-like member 10, as shown in FIG. 2(c). At the same time, the conveying section 5a on which the next laminated member 11 is placed moves to the +X-axis side. Then, the leading edge of the succeeding sheet-like member 10b, which is positioned near the end of the anvil roll 22 on the -Z-axis side, is attached to the laminated member 11 by the first portion 22e of the second region 22d of the anvil roll 22.

[0036] Next, as the anvil roll 22 rotates, the conveying unit 5a moves toward the positive side of the X axis, drawing in the sheet-like member 10 and laminating it on the laminated member 11. At this time, for example, when the anvil roll 22 rotates and the first portion 22e of the second region 22d passes the end of the anvil roll 22 on the negative side of the Z axis, the state may switch from an air suction state to an air ejection state. As a result, both the first region 22c and the second region 22d of the anvil roll 22 enter the air ejection state.

[0037] Therefore, the succeeding sheet-like member 10b can be pulled in without coming into contact with the anvil roll 22 or the cutter roll 3. This allows a large sheet-like member 10 to be stacked on the member to be stacked 11. After that, when the succeeding sheet-like member 10b is pulled in by a predetermined length, the state returns to that of FIG. 2(a), the succeeding sheet-like member 10b is cut, and the above-mentioned process is repeated, allowing the cut sheet-like member 10a to be stacked on the member to be stacked 11 that is conveyed in sequence to the + side of the X axis.

[0038] In this way, the separating device 21 of this embodiment can also easily change the separation distance between the cut sheet-like material 10a and the following sheet-like material 10b by appropriately changing the acceleration of the conveying unit 5a. Moreover, the separating device 21 of this embodiment can create a non-contact period in which the sheet-like material 10b does not come into contact with the anvil roll 22 or the cutter roll 3 from the time the leading end of the sheet-like material 10 is delivered to the conveying unit 5a until the sheet-like material 10 is cut to form the trailing end of the sheet-like material 10. Therefore, large sheet-like materials 10 corresponding to the amount of movement of the conveying unit 5a can be stacked on the stacked material 11.

[0039] <Third Embodiment> 3(a) to 3(d) are diagrams illustrating the manner in which a sheet-like material is separated in the separating device of this embodiment. As shown in FIGS. 3(a) to 3(d), the separating device 31 of this embodiment has substantially the same configuration as the separating device 1 of embodiment 1, and therefore a duplicated description will be omitted. As shown in FIG. 3(a), the separating device 31 includes an anvil roll 32 having substantially the same configuration as the anvil roll 22 of the separating device 21 of embodiment 2, in addition to the cutter roll 3 and transfer roll 4 of the separating device 1 of embodiment 1.

[0040] 3(a), the anvil roll 32 also includes a roll portion 32a. The roll portion 32a includes a cutting board region 32b, a first region 32c, and a second region 32d having a first portion 32e and a second portion 32f. Similar to the anvil roll 2 of the first embodiment, the anvil roll 32 is disposed on the negative side of the Z axis relative to the cutter roll 3 and on the negative side of the X axis relative to the transfer roll 4.

[0041] Using this separation device 31, the sheet-like member 10 is separated as follows. First, the anvil roll 32 rotates while the leading edge of the sheet-like member 10 is adsorbed by the first portion 32e of the second region 32d of the anvil roll 32, and the sheet-like member 10 is transported. Then, as shown in FIG. 3( a), when the leading edge of the sheet-like member 10 is positioned near the end of the anvil roll 2 on the +X-axis side, the first portion 4d of the second region 4c of the transfer roll 4 is positioned on the -X-axis side, and the first portion 4d and the second portion 4e of the second region 4c of the transfer roll 4 are switched from an air ejection state to an air suction state. At this time, the first portion 32e of the second region 32d of the anvil roll 32 preferably switches from an air suction state to an air ejection state. As a result, the leading edge of the sheet-like member 10 is adsorbed by the first portion 4d of the second region 4c of the transfer roll 4 and is delivered from the anvil roll 32 to the transfer roll 4.

[0042] Next, as shown in FIG. 3(b), the transfer roll 4 rotates to pull in the leading end of the sheet-like member 10. At the same time, the conveying section 5a on which the laminated member 11 is placed moves toward the +X-axis side. Then, the leading end of the sheet-like member 10, which is located near the end of the transfer roll 4 on the -Z-axis side, is attached to the laminated member 11 in the second region 4c of the transfer roll 4. At this time, the anvil roll 32 rotates, and the portion of the anvil roll 32 facing the sheet-like member 10 is preferably the first region 32c.

[0043] As the transfer roll 4 rotates, the conveying unit 5a moves toward the positive side of the X axis, drawing in the sheet-like member 10 and laminating it on the laminated member 11. As the transfer roll 4 rotates and the second portion 4e and the first portion 4d of the second region 4c pass the end of the transfer roll 4 on the negative side of the Z axis, the second portion 4e and the first portion 4d of the second region 4c are sequentially switched from an air suction state to an air ejection state. This causes the entire area of ​​the anvil roll 32 and the transfer roll 4 facing the sheet-like member 10 to be in an air ejection state, and the sheet-like member 10 is in a non-contact state with the anvil roll 32 and the transfer roll 4. This prevents damage to the sheet-like member 10 when the sheet-like member 10 is drawn in.

[0044] While the conveying unit 5a pulls in the sheet-like material 10 by a predetermined length, the cutter roll 3 and the anvil roll 32 rotate in synchronization with the conveying speed of the sheet-like material 10 by the conveying unit 5a. Then, as shown in FIG. 3(c), near the position where the cutting blade 3b of the cutter roll 3 and the cutting board region 32b of the anvil roll 32 are closest to each other, the first portion 32e and the second portion 32f of the second region 32d of the anvil roll 32 are switched from an air ejection state to an air suction state, and the sheet-like material 10 is cut by the cutting blade 3b of the cutter roll 3 while the sheet-like material 10 is being attracted to the first portion 32e and the second portion 32f of the second region 32d of the anvil roll 32. As a result, the sheet-like material 10 is separated into a cut sheet-like material 10a and a subsequent sheet-like material 10b. At this time, the front end of the following sheet-like material 10b is adsorbed to the first part 32e of the second region 32d of the anvil roll 32, and the rear end of the cut sheet-like material 10a is adsorbed to the second part 32f of the second region 32d of the anvil roll 32.

[0045] Next, as the transfer roll 4 and the anvil roll 32 rotate and the rear end of the cut sheet-like material 10a is positioned near the end of the anvil roll 32 on the +X axis side, the second portion 4e of the second region 4c of the transfer roll 4 is positioned near the -X axis side of the transfer roll 4, and the first portion 4d and the second portion 4e of the second region 4c of the transfer roll 4 are switched from an air ejection state to an air suction state. At this time, the second portion 32f of the second region 32d of the anvil roll 32 may be switched from an air suction state to an air ejection state. As a result, the rear end of the cut sheet-like material 10a is satisfactorily adsorbed to the second portion 4e of the second region 4c of the transfer roll 4 and delivered from the anvil roll 32 to the transfer roll 4.

[0046] Then, when the transfer roll 4 and the anvil roll 32 rotate and the leading end of the trailing sheet-like material 10b is positioned near the end of the anvil roll 32 on the +X-axis side, the first portion 4d of the second region 4c of the transfer roll 4 is positioned on the -X-axis side of the transfer roll 4. At this time, the first portion 32e of the second region 32d of the anvil roll 32 preferably switches from an air suction state to an air ejection state. This allows the leading end of the trailing sheet-like material 10b to be properly adsorbed to the first portion 4d of the second region 4c of the transfer roll 4 and properly delivered from the anvil roll 2 to the transfer roll 4.

[0047] Next, the transfer roll 4 and the anvil roll 32 rotate, and when the rotation angle of the transfer roll 4 exceeds a predetermined rotation angle at which the gap between the rear end of the cut sheet-like material 10a and the laminated material 11 placed on the conveying section 5a becomes equal to or smaller than a preset threshold, the second portion 4e of the second region 4c of the transfer roll 4 is switched from an air suction state to an air ejection state, as shown in FIG. 3(d). As a result, the entire area of ​​the transfer roll 4, including the first region 4b facing the cut sheet-like material 10a, enters an air ejection state. In other words, the cut sheet-like material 10a is not in contact with the transfer roll 4.

[0048] In this state, the conveying unit 5a accelerates at a preset acceleration. This allows the cut sheet-like member 10a to be conveyed at high speed by the conveying unit 5a, and the cut sheet-like member 10a can be separated from the following sheet-like member 10b with a preset gap between the rear end of the cut sheet-like member 10a. Therefore, a gap can be created between the cut sheet-like member 10a and the following sheet-like member 10b that allows the cut sheet-like member 10a to be properly stacked on the stacking target member 11 being conveyed sequentially toward the +X-axis side. By appropriately changing the acceleration of the conveying unit 5a, the separation gap between the cut sheet-like member 10a and the following sheet-like member 10b can be easily changed. After that, by returning to the state shown in FIG. 3(a) and repeating the above process, the cut sheet-like member 10a can be stacked on the stacking target member 11 being conveyed sequentially toward the +X-axis side.

[0049] In this way, the separating device 31 of this embodiment can also easily change the separation distance between the cut sheet-like material 10a and the following sheet-like material 10b by appropriately changing the acceleration of the conveying unit 5a. Moreover, the separating device 31 of this embodiment can also create a non-contact period in which the sheet-like material 10b does not come into contact with the cutter roll 3, the transfer roll 4, and the anvil roll 32 from the time the leading end of the sheet-like material 10 is delivered to the conveying unit 5a until the sheet-like material 10 is cut to form the trailing end of the sheet-like material 10. Therefore, large sheet-like materials 10 corresponding to the amount of movement of the conveying unit 5a can be stacked on the stacked material 11. Furthermore, the separating device 21 of the second embodiment cannot cut the sheet-like member 10 until the leading end of the sheet-like member 10 has been delivered to the conveying section 5a, but the separating device 31 of the present embodiment has the transfer roll 4 and the anvil roll 32 separated, so that the sheet-like member 10 can be cut before the leading end of the sheet-like member 10 has been delivered to the conveying section 5a, and small sheet-like members 10 can also be laminated on the laminated member 11. Therefore, for example, the anvil roll 32 may have a plurality of cutting board regions 32b and second regions 32d.

[0050] The present disclosure is not limited to the above-described embodiment, and can be modified as appropriate without departing from the spirit of the present disclosure. For example, although the second region of the transfer roll and the anvil roll in the above-described embodiment includes a second portion, this may be omitted. [Explanation of symbols]

[0051] 1, 21, 31 Separation device, 2, 22, 32 Anvil roll, 2a, 22a, 32a Roll portion, 2b Through hole, 2c Communication portion, 3 Cutter roll, 3a Roll portion, 3b Cutting blade, 4 Transfer roll, 4a Roll portion, 4b First region, 4c Second region, 4d First portion, 4e Second portion, 5 Conveyor device, 5a Conveyor portion, 10 Sheet-like member, 11 Laminated member, 22b Cutting board region, 22c First region, 22d Second region, 22e First portion, 22f Second portion, 32b Cutting board region, 32c First region, 32d Second region, 32e First portion, 32f Second portion

Claims

1. A sheet-like member separating device, an anvil roll that feeds the sheet-like member while adsorbing it; a cutter roll that cuts the sheet-like member adsorbed to the anvil roll; a transfer roll including a roll portion, the transfer roll having a first region that ejects air radially outward from the roll portion, and a second region that can switch between ejecting air radially outward from the roll portion and sucking air radially inward from the roll portion; a conveying unit that conveys the cut sheet-like material; Equipped with The conveying section is a sheet-like member separating device in which the transfer roll rotates while the front end of the sheet-like member is adsorbed in the second region of the transfer roll, and the front end of the sheet-like member is delivered to the conveying section, and the rotation of the transfer roll with the sheet-like member cut causes the cut sheet-like member on the transfer roll to face the first region, and air is ejected from the entire area of ​​the transfer roll facing the cut sheet-like member, and the rotation of the anvil roll causes the cut sheet-like member to be separated from the anvil roll and accelerated at a predetermined acceleration.

2. the anvil roll is disposed below the cutter roll and faces the cutter roll, the transfer roll faces the anvil roll while being disposed on the side of the anvil roll in the transport direction of the transport section; the second region has a first portion capable of adsorbing a leading end of the sheet-like member, and a second portion disposed on the first portion in the rotation direction of the transfer roll, the second portion capable of adsorbing a trailing end of a sheet-like member previously cut relative to the sheet-like member, 2. The sheet-like material separating device of claim 1, wherein the second portion of the second region switches from a state of adsorbing the rear end of the previously cut sheet-like material to a state of spraying air, and the conveying unit accelerates at a predetermined acceleration while air is sprayed from the entire area of ​​the transfer roll facing the previously cut sheet-like material.

3. the anvil roll is common to the transfer roll, and faces the cutter roll while being disposed on the conveying direction side of the conveying section with respect to the cutter roll, and includes a cutting board area that faces a cutting blade of the cutter roll when the cutter roll cuts the sheet-like material, The second area has a first part capable of adsorbing the front end of the sheet-like material, and a second part disposed on the side of the first part in the rotation direction of the anvil roll and capable of adsorbing the rear end of the sheet-like material previously cut relative to the sheet-like material, and the cutting board area is sandwiched between the first part and the second part in the rotation direction of the anvil roll, 2. The sheet-like material separating device of claim 1, wherein the second portion of the second region switches from a state of adsorbing the rear end of the previously cut sheet-like material to a state of spraying air, and the conveying section accelerates at a predetermined acceleration while air is sprayed from the entire area of ​​the anvil roll facing the previously cut sheet-like material.

4. The anvil roll is disposed below the cutter roll and faces the cutter roll, and includes a cutting board region that faces a cutting blade of the cutter roll when the cutter roll cuts the sheet-like material, a third region that blows air outward in the radial direction of the anvil roll, and a fourth region that can switch between blowing air outward in the radial direction of the anvil roll and sucking air inward in the radial direction of the anvil roll, the transfer roll faces the anvil roll while being disposed on the side of the anvil roll in the transport direction of the transport section; the second region has a first portion capable of adsorbing a leading end of the sheet-like member, and a second portion disposed on the first portion in the rotation direction of the transfer roll, the second portion capable of adsorbing a trailing end of a sheet-like member previously cut relative to the sheet-like member, the fourth region has a third portion capable of adsorbing the front end of the sheet-like material, and a fourth portion disposed on the side of the third portion in the rotation direction of the anvil roll and capable of adsorbing the rear end of the previously cut sheet-like material, and the third portion and the fourth portion sandwich the cutting board region in the rotation direction of the anvil roll, 2. The sheet-like member separating device of claim 1, wherein the rear end of the previously cut sheet-like member is handed over from the fourth portion of the fourth region to the second portion of the second region, the second portion switches from a state of adsorbing the rear end of the previously cut sheet-like member to a state of spraying air, and the conveying unit accelerates at a predetermined acceleration while air is sprayed from the entire area of ​​the transfer roll facing the previously cut sheet-like member.

5. A sheet-like member separating device as described in claim 4, wherein during the period from when the front end of the sheet-like member is handed over to the conveying section to when the sheet-like member is cut to form the rear end of the sheet-like member, there is a period in which the sheet-like member faces only the third region of the anvil roll and the first region of the transfer roll.

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