JP2021166156A - Lamination device - Google Patents

Abstract

To provide a lamination device that can adjust the position of a seat while suppressing the complication of a structure.SOLUTION: On the positive electrode transfer device 110 side, a cam member 71A adjusts the position of a positive electrode 11 with a separator along long sides 11a and 11b by adjusting the position of a holding portion 40. On the laminating conveyor 170 side, a cam member 71B adjusts the position of the positive electrode 11 with the separator rotated by a rotating portion 0A along the short sides 11c and 11d by adjusting the position of the holding portion 40. As a result, a lamination device 100 uses the same cam follower 46 and two cam members 71A and 71B to adjust the position of the positive electrode 11 with the separator along both the long sides 11a and 11b and the short sides 11c and 11d that intersect each other.SELECTED DRAWING: Figure 5

Description

The present invention relates to a laminating device.

Patent Documents 1 to 3 disclose a laminating apparatus. The laminating device disclosed in Patent Document 1 holds the sheet body, moves the sheet body to the laminating position, and releases the sheet body at the laminating position (so-called pick and place). This laminating device corrects the deviation of the sheet body before performing the operation. The laminating device disclosed in Patent Document 2 holds a sheet body of one transporting portion by a holding portion, moves the sheet body to another transporting portion, and releases the sheet body to laminate the sheet body. ..

Japanese Unexamined Patent Publication No. 2012-227130 Japanese Unexamined Patent Publication No. 2016-197527

As described above, Patent Document 1 describes that the misalignment of the seat body is corrected before the pick-and-place operation. Here, based on such a technique, in the laminating apparatus shown in Patent Document 3, a structure having a mechanism for correcting the positional deviation of the sheet body can be considered. Here, since the misalignment of the seat body does not occur in only one direction, it is necessary to adjust the positions of a plurality of axes. However, when trying to accurately adjust the positions of a plurality of axes, there arises a problem that the structure becomes complicated.

An object of the present invention is to provide a laminating device capable of adjusting the position of a sheet body while suppressing complication of the structure.

The laminating device according to one aspect of the present invention circulates along a circular path with a first transport portion and a second transport portion that transport a sheet body having a first side and a second side that intersect each other. Then, the transfer section in which the sheet body of the first transport section is held by the holding section, the sheet body is moved to the second transport section and released by the second transport section, and the transport direction of the sheet body. On the other hand, the rotating portion that rotates the sheet body, the first guide wall portion that adjusts the position of the holding portion by contacting the contact portion of the holding portion on the first transport portion side, and the first guide wall portion. A second guide wall portion that adjusts the position of the holding portion by contacting the contact portion of the holding portion on the second transport portion side is provided, and the first guide wall portion is held. By adjusting the position of the part, the seat body is adjusted along the first side, and for the second guide wall part, the seat body rotated by the rotating part is moved to the second side by adjusting the position of the holding part. Adjust the position along.

In this laminating device, the position of the holding portion is adjusted by the first guide wall portion coming into contact with the contact portion of the holding portion on the first transporting portion side. Further, the position of the holding portion is adjusted by the second guide wall portion coming into contact with the contact portion of the holding portion on the side of the second transport portion. Therefore, on the first transport portion side, the first guide wall portion adjusts the position of the sheet body along the first side by adjusting the position of the holding portion. Here, the laminating device includes a rotating portion that rotates the sheet body in the transport direction of the sheet body. As a result, the rotating portion can rotate the seat body so that the seat body is in a position-adjustable posture by contacting the holding portion with the contact portion of the second guide wall portion. Therefore, on the second transport portion side, the position of the second guide wall portion adjusts the position of the sheet body rotated by the rotating portion along the second side by adjusting the position of the holding portion. As a result, the laminating device can adjust the position of the sheet body along both the first side and the second side that intersect with each other by using the same contact portion and the two guide wall portions. .. As described above, the position of the seat body can be adjusted while suppressing the complication of the structure.

The first side when the position is adjusted by the first guide wall portion intersects the transport direction, and the second side when the position is adjusted by the second guide wall portion is the transport direction. May intersect with. Here, when trying to adjust the position of the sheet body in the transport direction, it is necessary to consider the error between the transport speed of the transfer portion and the transport speed of the first or second transport portion, so that the position adjustment can be performed accurately. Difficult to do. On the other hand, in the direction intersecting the transport direction, the error of the transport speed as described above does not occur, so that the position adjustment can be easily performed. Since the first side and the second side at the time of position adjustment intersect the transport direction, the first guide wall portion and the second guide wall portion are in the direction intersecting the transport direction. The position of the seat body can be adjusted. From the above, the position of the seat body of the first guide wall portion and the second guide wall portion can be adjusted with high accuracy.

The position of the first guide wall portion is adjusted while the holding portion is performing the holding operation of the sheet body, and the position of the second guide wall portion is adjusted while the holding portion is performing the sheet body laminating operation. The position may be adjusted. Therefore, the holding portion can hold the sheet body whose position has been adjusted along the first side, and stacks the sheet body whose position has been adjusted along the second side. be able to.

The first transport section and the second transport section may be located on opposite sides of each other in an annular path. For example, if both guide walls are placed on the same side of the annular path, the side may be longer and the entire path may be longer. On the other hand, if the above configuration is adopted, the first guide wall portion on the first transport portion side and the second guide wall portion on the second transport portion side are mutually connected by an annular path. Can be located on the other side. Therefore, the route can be made compact.

The laminating device further includes a first position detection unit that detects the position of the sheet body in the first transport unit, and the holding unit is on the first transport unit side based on the detection result of the first position detection unit. The position may be adjusted with. As a result, the position of the first guide wall portion can be adjusted based on the amount of deviation along the first side of the sheet body detected by the first position detection unit.

The laminating device further includes a second position detecting unit that is in a state of being held by the holding unit and detects the position of the sheet body rotated by the rotating unit, and the holding unit detects the second position detecting unit. Based on the result, the position may be adjusted on the second transport unit side. As a result, the position of the second guide wall portion can be adjusted based on the amount of deviation along the second side of the sheet body detected by the second position detection unit.

The first guide wall portion and the second guide wall portion may adjust the positions of the holding portions of the plurality of transfer portions. As a result, it is not necessary to provide an actuator in each transfer portion for position adjustment in the transfer portion, and an increase in weight can be suppressed. Further, since a common guide wall portion is used instead of individually providing a guide wall portion for each holding portion, an increase in the number of parts can be suppressed.

The holding portion has a cam follower provided at a position deviated from the center of the holding portion, and the rotating portion includes a pair of cam plates arranged apart from each other so as to form a gap, and the cam follower is provided in the gap. By passing it, the seat body may be rotated via the cam follower and the holding portion. In this case, if cam followers are provided in the individual holding portions of the plurality of transfer portions, the pair of cam plates of the rotating portions can be used as a common member. This eliminates the need to individually provide rotation actuators for each transfer unit.

According to the present invention, there is provided a laminating device capable of adjusting the position of a sheet body while suppressing complication of the structure.

It is sectional drawing which shows the inside of the power storage device. FIG. 2 is a cross-sectional view taken along the line II-II of FIG. It is a schematic plan view which shows the stacking apparatus. It is a schematic plan view of the positive electrode transfer device. It is the figure which looked at the peripheral structure of a rotating part from above. It is a figure which shows the positional relationship between a rotating part and a transfer part. It is a figure explaining the position adjustment by an extrusion mechanism. It is a schematic plan view which shows the state of the position adjustment of the holding part in the Y-axis direction.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the drawings, the same or equivalent elements are designated by the same reference numerals, and duplicate description will be omitted.

First, a power storage device including a laminated body manufactured by the laminated device according to the embodiment will be described. FIG. 1 is a cross-sectional view showing the inside of the power storage device. FIG. 2 is a cross-sectional view taken along the line II-II of FIG. In FIGS. 1 and 2, the power storage device 1 is a lithium ion secondary battery having a laminated electrode assembly.

The power storage device 1 includes, for example, a case 2 having a substantially rectangular parallelepiped shape and an electrode assembly 3 housed in the case 2. The case 2 is composed of a case body and a lid made of a metal such as aluminum. Although not shown, a non-aqueous (organic solvent-based) electrolytic solution is injected into the case 2, for example. The positive electrode terminal 4 and the negative electrode terminal 5 are arranged on the case 2 so as to be separated from each other. The positive electrode terminal 4 is fixed to the case 2 via the insulating ring 6, and the negative electrode terminal 5 is fixed to the case 2 via the insulating ring 7. Further, an insulating film is arranged between the electrode assembly 3 and the inner side surface and the bottom surface of the case 2, and the case 2 and the electrode assembly 3 are insulated by the insulating film. In FIG. 1, for convenience, a slight gap is provided between the lower end of the electrode assembly 3 and the bottom surface of the case 2, but in reality, the lower end of the electrode assembly 3 is inside the case 2 via an insulating film. Is in contact with the bottom of the.

The electrode assembly 3 has a structure in which a plurality of positive electrodes 8 and a plurality of negative electrodes 9 are alternately laminated via a bag-shaped separator 10. The positive electrode 8 is wrapped in a bag-shaped separator 10. The positive electrode 8 in a state of being wrapped in the bag-shaped separator 10 is configured as a positive electrode 11 with a separator. Therefore, the electrode assembly 3 has a structure in which a plurality of positive electrodes 11 with separators and a plurality of negative electrodes 9 are alternately laminated. The electrodes located at both ends of the electrode assembly 3 are negative electrodes 9.

The positive electrode 8 has, for example, a metal foil 14 which is a positive electrode current collector made of an aluminum foil, and a positive electrode active material layer 15 formed on both sides of the metal foil 14. The metal foil 14 has a foil main body portion 14a having a rectangular shape in a plan view and a tab 14b integrated with the foil main body portion 14a. The tab 14b projects from the edge of the foil body 14a near one end in the longitudinal direction. The tab 14b penetrates the separator 10. The plurality of tabs 14b extending from the plurality of positive electrodes 8 are connected (welded) to the conductive member 12 in a foil-collected state, and are connected to the positive electrode terminals 4 via the conductive member 12. In FIG. 2, tab 14b is omitted for convenience.

The positive electrode active material layer 15 is formed on both the front and back surfaces of the foil main body portion 14a. The positive electrode active material layer 15 is a porous layer formed by containing the positive electrode active material and the binder. Examples of the positive electrode active material include composite oxides, metallic lithium, sulfur and the like. Composite oxides include, for example, at least one of manganese, nickel, cobalt and aluminum and lithium.

The negative electrode 9 has, for example, a metal foil 16 which is a negative electrode current collector made of copper foil, and a negative electrode active material layer 17 formed on both sides of the metal foil 16. The metal foil 16 has a foil main body portion 16a having a rectangular shape in a plan view and a tab 16b integrated with the foil main body portion 16a. The tab 16b projects from the edge of the foil body 16a near one end in the longitudinal direction. The tab 16b is connected to the negative electrode terminal 5 via the conductive member 13. In FIG. 2, tab 16b is omitted for convenience.

The negative electrode active material layer 17 is formed on both the front and back surfaces of the foil body portion 16a. The negative electrode active material layer 17 is a porous layer formed by containing the negative electrode active material and the binder. Examples of the negative electrode active material include graphite, highly oriented graphite, mesocarbon microbeads, carbon such as hard carbon and soft carbon, alkali metals such as lithium and sodium, metal compounds, and SiOx (0.5 ≦ x ≦ 1.5). ) And other metal oxides or boron-added carbon and the like.

The separator 10 has a rectangular shape in a plan view. Examples of the material for forming the separator 10 include a porous film made of a polyolefin resin such as polyethylene (PE) and polypropylene (PP), or a woven cloth or non-woven fabric made of polypropylene, polyethylene terephthalate (PET), methyl cellulose and the like. ..

When manufacturing the power storage device 1 configured as described above, first, the positive electrode 11 with a separator and the negative electrode 9 are manufactured, and then the positive electrode 11 with a separator and the negative electrode 9 are alternately laminated. Next, the electrode assembly 3 is obtained by fixing the laminated positive electrode 11 and negative electrode 9 with a separator with tape or the like. Then, the lid, the positive electrode terminal 4, and the negative electrode terminal 5 are assembled in advance, the tab 14b of the positive electrode 11 with a separator is connected to the positive electrode terminal 4 via the conductive member 12, and the tab 16b of the negative electrode 9 is connected via the conductive member 13. After connecting to the negative electrode terminal 5, the electrode assembly 3 is housed in the case 2.

Next, the laminating device 100 will be described. FIG. 3 is a schematic plan view showing the laminating device 100. As shown in FIG. 3, the stacking device 100 includes a positive electrode transfer device 110 (first transport section), a negative electrode transfer device 120 (first transport section), a positive electrode transfer device 130, and a negative electrode transfer device 140. The positive electrode tracking camera 150 (first position detection unit), the positive electrode tracking camera 155 (second position detection unit), the negative electrode tracking camera 160 (first position detection unit), and the negative electrode tracking. It has a camera 165 (second position detection unit) and a stacking conveyor 170 (second transport unit). In the laminating device 100, the positive electrode 11 (sheet body) with a separator and the negative electrode 9 (sheet body) are alternately laminated on each of the plurality of mounting tables 200 conveyed by the laminating conveyor 170.

The positive electrode transport device 110 transports the positive electrode 11 with a separator manufactured in the previous step along a predetermined transport path R1. The pre-process may be, for example, a separator packaging system 91 in which the positive electrode 8 produced by die-cutting the electrode base material is wrapped with a separator to produce the positive electrode 11 with a separator. The separator packaging system 91 supplies the manufactured positive electrode 11 with a separator to the positive electrode transfer device 110. The positive electrode transfer device 110 may be, for example, a belt conveyor. As shown in the figure, the positive electrode conveying device 110 is arranged linearly along the X-axis direction starting from the separator packaging system 91. In the positive electrode transfer device 110, for example, a rotary encoder is provided on the belt conveyor, and the transfer speed of the belt conveyor can be acquired by this rotary encoder.

The negative electrode transport device 120 transports the negative electrode 9 manufactured in the previous step along a predetermined transport path R2. In one example, the pre-process may be a die-cut system 93 for manufacturing a negative electrode 9 by die-cutting a strip-shaped electrode base material. The die-cut system 93 supplies the manufactured negative electrode 9 to the negative electrode transfer device 120. The negative electrode transfer device 120 may be, for example, a belt conveyor. As shown in the figure, the negative electrode transfer device 120 is arranged linearly along the X-axis direction starting from the die-cut system 93. In the negative electrode transfer device 120, for example, a rotary encoder is provided on the belt conveyor, and the transfer speed of the belt conveyor can be acquired by this rotary encoder. In the illustrated example, the transport direction of the positive electrode 11 with a separator transported by the positive electrode transport device 110 and the transport direction of the negative electrode 9 transported by the negative electrode transport device 120 face each other. Further, the positive electrode transfer device 110 and the negative electrode transfer device 120 are arranged at positions deviated from each other in the Y-axis direction.

The positive electrode tracking camera 150 captures an image of the positive electrode 11 with a separator that is transporting the transport path R1 in the positive electrode transport device 110. The positive electrode tracking camera 150 is arranged along the transfer path R1 of the positive electrode transfer device 110 at a position where an image can be taken on the transfer path R1. As an example, the position of the positive electrode 11 with a separator that conveys the positive electrode transfer device 110 is estimated based on the image information captured by the positive electrode tracking camera 150 and the transfer speed acquired from the rotary encoder of the positive electrode transfer device 110. Can be done. The position of the positive electrode 11 with a separator may include a position in the X-axis direction and the Y-axis direction and a rotational position of the positive electrode 11 with a separator when the Z-axis direction is the rotation axis.

The positive electrode tracking camera 155 images the positive electrode 11 with a separator near the boundary between the transfer path R3 of the positive electrode transfer device 130 and the transfer path R5 of the stacking conveyor 170. The positive electrode tracking camera 155 is arranged along the transfer path R3 of the positive electrode transfer device 130 at a position where the positive electrode 11 with a separator of the transfer path R3 can be photographed. Based on the image information captured by the positive electrode tracking camera 155, the position of the positive electrode 11 with a separator rotated by the rotating portion described later in the Y-axis direction is detected.

The negative electrode tracking camera 160 captures an image of the negative electrode 9 being conveyed along the transfer path R2 in the negative electrode transfer device 120. The negative electrode tracking camera 160 is arranged at a position along the transfer path R2 of the negative electrode transfer device 120. As an example, the position of the negative electrode 9 transported by the negative electrode transport device 120 can be estimated based on the image information captured by the negative electrode tracking camera 160 and the transport speed acquired from the rotary encoder of the negative electrode transport device 120. .. The position of the negative electrode 9 may include a position in the X-axis direction and the Y-axis direction and a rotational position of the negative electrode 9 when the Z-axis direction is the rotation axis.

The negative electrode tracking camera 165 images the negative electrode 9 near the boundary between the transfer path R4 of the negative electrode transfer device 140 and the transfer path R5 of the stacking conveyor 170. The negative electrode tracking camera 165 is arranged along the transfer path R4 of the negative electrode transfer device 140 at a position where the negative electrode 9 of the transfer path R can be photographed. Based on the image information captured by the negative electrode tracking camera 165, the position of the negative electrode 9 rotated by the rotating portion described later in the Y-axis direction is detected.

The positive electrode transfer device 130 holds the positive electrode 11 with a separator that is transporting the positive electrode transfer device 110. The held positive electrode 11 with a separator is transferred onto a mounting table 200 conveyed by a laminating conveyor 170. The positive electrode transfer device 130 of the illustrated example is arranged between the positive electrode transfer device 110 and the stacking conveyor 170.

The positive electrode transfer device 130 includes a rail portion 80 (annular path) and a plurality of transfer portions 45 that move along the rail portion 80. The rail portion 80 constitutes a circular annular transport path R3 including a linear section. The transport path R3 formed by the rail portion 80 of the illustrated example has a track shape and includes two linear sections S1 and S2 arranged in parallel with each other. In one linear section S1, the transport path R3 of the rail portion 80 is parallel to the transport path R1 of the positive electrode transport device 110. In the illustrated example, the rail portion 80 of the positive electrode transfer device 130 moves the transfer portion 45 counterclockwise (counterclockwise) in a plan view.

The transfer portion 45 includes an arm portion 30 for transporting the transport path R3 of the rail portion 80, and a holding portion 40 provided at the tip of the arm portion 30. The arm portion 30 can adjust the position of the holding portion 40, that is, the position in the X-axis direction, the position in the Y-axis direction, the position in the Z-axis direction, and the rotation position with the Z-axis direction as the rotation axis. The arm portion 30 moves along the rail portion 80 at the same speed as, for example, the positive electrode 11 with a separator that conveys the positive electrode transfer device 110. When the positive electrode 11 with a separator is transferred from the positive electrode transport device 110 to the arm portion 30, the arm portion 30 has the same speed as the transport speed of the positive electrode transport device 110 as described above, but before and after that, the arm portion 30 And the transfer speed of the positive electrode transfer device 110 may be different speeds.

The transfer unit 45 holds the positive electrode 11 with a separator that carries the positive electrode transfer device 110 by the holding unit 40. In the illustrated example, the holding portion 40 holds the positive electrode 11 with a separator when the transfer portion 45 is conveyed along one of the linear sections S1 of the transport path R3 of the rail portion 80. In the transfer unit 45, the position of the holding unit 40 is adjusted based on the position of the positive electrode 11 with a separator estimated by the tracking camera 150 for the positive electrode. The positive electrode 11 with a separator held by the transfer unit 45 is transferred on the mounting table 200 on which the laminated conveyor 170 is transferred in the other linear section S2 of the transfer path R3 of the rail unit 80. It is released from the above and laminated at the relevant position.

The negative electrode transfer device 140 holds the negative electrode 9 during transfer of the negative electrode transfer device 120. The held negative electrode 9 is transferred onto a mounting table 200 on which the laminating conveyor 170 is conveyed. The negative electrode transfer device 140 of the illustrated example is arranged between the negative electrode transfer device 120 and the laminated conveyor 170. The negative electrode transfer device 140 includes a rail portion 141 and a plurality of transfer portions 143 that move along the rail portion 141. The rail portion 141 constitutes a circulating transport path R4 including a linear section. The transport path R4 formed by the rail portion 141 of the illustrated example has a track shape and includes two linear sections S3 and S4 arranged in parallel with each other. In one of the linear sections S3, the transport path R4 of the rail portion 141 is parallel to the transport path R2 of the negative electrode transport device 120. In the illustrated example, the rail portion 141 of the negative electrode transfer device 140 moves the transfer portion 143 clockwise in a plan view.

The transfer portion 143 includes an arm portion 144 for transporting the transport path R4 of the rail portion 141, and a holding portion 145 provided at the tip of the arm portion 144. The arm portion 144 can adjust the position of the holding portion 145, that is, the position in the X-axis direction, the position in the Y-axis direction, the position in the Z-axis direction, and the rotation position with the Z-axis direction as the rotation axis. The arm portion 144 moves along the rail portion 141 at the same speed as the negative electrode 9 which is conveyed by, for example, the negative electrode transfer device 101.

The transfer unit 143 holds the negative electrode 9 transferred to the negative electrode transfer device 120 by the holding unit 145. In the illustrated example, the negative electrode 9 is held by the holding portion 145 while the transfer portion 143 is being conveyed along one of the linear sections S3 of the transport paths R4 of the rail portion 141. In the transfer unit 143, the position of the holding unit 145 is adjusted based on the position of the negative electrode 9 estimated by the tracking camera 160 for the negative electrode. The negative electrode 9 held by the transfer section 143 is released from the transfer section 45 on the mounting table 200 on which the stacking conveyor 170 is conveyed in the other linear section S4 of the transfer path R4 of the rail section 141. And are laminated at that position.

The stacking conveyor 170 has a conveyor 171 that conveys a plurality of mounting tables 200 at predetermined intervals. Conveyor 171 constitutes a circulating transport path R5 that includes a linear section. The transport path R5 formed by the conveyor 171 of the illustrated example has a track shape and includes two linear sections S5 and S6 arranged parallel to each other. In one linear section S5, the transfer path R5 of the conveyor 171 is adjacent to the transfer path R3 (section S2) of the positive electrode transfer device 130 in parallel. Further, in the other linear section S6, the transfer path R5 of the conveyor 171 is adjacent to the transfer path R4 (section S4) of the negative electrode transfer device 140 in parallel. In the illustrated example, the conveyor 171 moves clockwise (clockwise) in a plan view. As an example, the transfer speed of the conveyor 171 may be the same as the moving speed of the transfer portion 45 of the positive electrode transfer device 130 and the transfer portion 143 of the negative electrode transfer device 140.

Next, the configuration of the positive electrode transfer device 130 will be described in more detail with reference to FIG. FIG. 4 is a schematic plan view of the positive electrode transfer device 130. Since the negative electrode transfer device 120 has the same configuration as the positive electrode transfer device 130, the description thereof will be omitted. As shown in FIG. 4, the positive electrode transfer device 130 includes a plurality of transfer portions 45, the rail portion 80 described above, extrusion mechanisms 70A and 70B, rotating portions 90A and 90B, and a control unit 135. .. The positive electrode transfer device 130 adjusts the position of the holding portion 40 in the horizontal plane based on the detection result of the position of the positive electrode 11 with a separator detected by the positive electrode tracking cameras 150 and 155.

As shown in FIG. 4, the transfer unit 45 is driven by a linear motor 125 having a stator and a mover. The stator of the linear motor 125 is composed of a rail portion 80. The rail portion 80 includes a guide portion that guides the movement of the transfer portion 45, and an electromagnet portion that generates a propulsive force of the transfer portion 45. The rail unit 80 is connected to the control unit 135, and changes the polarity of the electromagnet unit based on a signal from the control unit 135. The mover 31 of the linear motor 125 is provided as a slide portion of the transfer portion 45. Therefore, the transfer portion 45 moves along the rail portion 80 by moving the mover 31 along the rail portion 80 by the propulsive force generated between the mover 31 and the rail portion 80.

The extrusion mechanism 70A is a mechanism for pushing a part of the transfer portion 45 to the positive side in the Y-axis direction to adjust the position of the holding portion 40 in the Y-axis direction before the rotation portion 90A rotates. The extrusion mechanism 70A is arranged inside the rail portion 80 and on the opposite side of the positive electrode transport device 110 with the transfer portion 45 interposed therebetween. The extrusion mechanism 70B is a mechanism for pushing a part of the transfer portion 45 to the negative side in the Y-axis direction to adjust the position of the holding portion 40 in the Y-axis direction after rotation by the rotating portion 90A. The extrusion mechanism 70B is arranged inside the rail portion 80 and on the opposite side of the stacking conveyor 170 with the transfer portion 45 interposed therebetween. The detailed configuration of the extrusion mechanisms 70A and 70B will be performed together with the detailed configuration of the transfer unit 45.

The rotating portion 90A is provided in a semicircular shape on the outer peripheral side of the semicircular portion on the negative side in the X-axis direction of the rail portion 80. The rotating portion 90A is provided so as to extend in the same direction as the transport direction in the vicinity of the end portion on the outer peripheral side of the transfer portion 45. The rotating portion 90A rotates the positive electrode 11 with a separator together with the holding portion 40 in the transport direction. The rotating portion 90B is provided in a semicircular shape on the outer peripheral side of the semicircular portion on the positive side in the X-axis direction of the rail portion 80. The rotating portion 90B is provided so as to extend in the same direction as the transport direction in the vicinity of the end portion on the outer peripheral side of the transfer portion 45. The rotating portion 90B rotates the holding portion 40 in the transport direction so as to return the holding portion 40 rotated by the rotating portion 90A. The detailed configuration of the rotating portions 90A and 90B will be described together with the detailed description of the transfer portion 45.

The control unit 135 is a device for performing various controls of the positive electrode transfer device 130. The control unit 135 is electrically connected to the positive electrode tracking cameras 150 and 155, the rail unit 80, and the extrusion mechanisms 70A and 70B. Therefore, the control unit 135 performs necessary control for adjusting the positions of the holding unit 40 and the positive electrode 11 with a separator based on the detection result of the position of the positive electrode 11 with a separator detected by the tracking cameras 150 and 155 for the positive electrode.

Next, with reference to FIGS. 5 to 8, the peripheral structures of the transfer portion 45 and the rotating portion 90A will be described in detail. Note that FIG. 5 is a view of the peripheral structure of the rotating portion 90A as viewed from above. FIG. 6A is a diagram showing the positional relationship between the rotating portion 90A and the transfer portion 45 in the section S2, and FIG. 6B is a diagram showing the positional relationship between the rotating portion 90A and the transfer portion 45 in the section S1. It is a figure which shows the positional relationship. FIG. 7 is a diagram illustrating position adjustment by the extrusion mechanism 70A. FIG. 8 is a schematic plan view showing a state of position adjustment of the holding portion 40 in the Y-axis direction. In the following description, when the terms "inner circumference side" and "outer circumference side" are used without any special precautions, they refer to the positional relationship when the oval-shaped rail portion 80 is used as a reference. Further, when explaining the components of the transfer unit 45, unless otherwise specified, it is assumed that the state when the transfer unit 45 exists in the sections S1 and S2 is used as a reference.

As shown in FIG. 6, the transfer portion 45 includes a member constituting the arm portion 30 in addition to the mover 31 and the holding portion 40. The arm portion 30 mainly has a shaft portion 41, a connecting portion 42, a base portion 43, and a guide portion 44.

The mover 31 is configured as a slide portion that surrounds the rail portion 80. The mover 31 includes a plurality of rollers that come into contact with the rail portion 80. The mover 31 includes a permanent magnet portion. When the permanent magnet portion of the mover 31 receives a propulsive force as the polarity of the electromagnet portion of the rail portion 80 changes, the mover 31 moves along the direction in which the rail portion 80 extends.

The holding portion 40 is arranged at a position separated from the mover 31 toward the outer peripheral side in the Y-axis direction. The holding portion 40 is composed of a suction pad. An example of the suction pad is one in which suction is performed by negative pressure. In this case, a large number of small-diameter suction holes are opened on the lower surface of the holding portion 40, and the holding portion 40 is negative in a pipe (not shown). It is connected to the pressure source. The suction pad may use static electricity or the like instead of negative pressure. Therefore, the holding portion 40 is held by adsorbing the positive electrode 11 with a separator on the lower surface. Further, the holding portion 40 releases the positive electrode 11 with a separator by stopping the generation of the suction force. The holding portion 40 has a rectangular shape, but the shape is not particularly limited.

The shaft portion 41 is fixed to the upper surface of the holding portion 40 and extends from the upper surface of the holding portion 40 to the positive side in the Z-axis direction. The shaft portion 41 supports the holding portion 40 so as to rotate the holding portion 40 in the XY plane around the shaft portion 41. The connecting portion 42 is connected to the upper end of the holding portion 40 and extends toward the inner peripheral side in the Y-axis direction. The connecting portion 42 is arranged above the mover 31. A cam follower 46 (contact portion) is provided at the end of the connecting portion 42 on the inner peripheral side in the Y-axis direction.

The base portion 43 extends from the mover 31 toward the outer peripheral side in the Y-axis direction. The base portion 43 is provided with a guide portion 44. The connecting portion 42 is connected to the base portion 43 via the guide portion 44. The guide portion 44 supports the connecting portion 42, the shaft portion 41, and the holding portion 40 in a state where they can slide in the Y-axis direction and the movement in the X-axis direction is restricted.

Next, the orientation of the holding portion 40 and the positive electrode 11 with a separator will be described with reference to FIG. Since the positive electrode 11 with a separator has a rectangular shape, it has a pair of long sides 11a and 11b (first side) and a pair of short sides 11c and 11d (second side). A tab 11e is provided on the long side 11a. Along with this, the holding portion 40 also has a rectangular shape. Therefore, the holding portion 40 includes a pair of long sides 40a and 40b and a pair of short sides 40c and 40d.

In the present embodiment, in the section S1, the positive electrode 11 with a separator is arranged so that the long sides 11a and 11b are orthogonal to the transport direction (X-axis direction). Further, the long side 11a having the tab 11e is arranged on the upstream side in the transport direction (the positive side in the X-axis direction). Therefore, in the section S1, the holding portions 40 are arranged so that the long sides 40a and 40b are orthogonal to the transport direction (X-axis direction). Further, the short side 40c is arranged on the outer peripheral side. On the other hand, in the section S2, the positive electrode 11 with a separator is arranged so that the short sides 11c and 11d are orthogonal to the transport direction (X-axis direction). Further, the long side 11a having the tab 11e is arranged on the inner peripheral side. Therefore, in the section S2, the holding portions 40 are arranged so that the short sides 40c and 40d are orthogonal to the transport direction (X-axis direction). Further, the long side 40a is arranged on the inner peripheral side.

As described above, since the rotating portion 90A rotates the positive electrode 11 with a separator and the holding portion 40, the postures of the positive electrode 11 with a separator and the holding portion 40 are different between the section S1 and the section S2. That is, the rotating portion 90A has a function of rotating the positive electrode 11 with a separator and the holding portion 40 in the transport direction between the section S1 and the section S2. A mechanism related to such a rotational operation will be described.

First, the holding portion 40 has a cam follower 86 provided at a position deviated from the center of the holding portion 40 (the position of the shaft portion 41). The cam follower 86 is provided at the upper end of the pillar portion 85 extending upward from the upper surface of the holding portion 40. The cam follower 86 and the pillar portion 85 are provided at the central position in the lateral direction and at a position closer to the short side 40c in the longitudinal direction. Therefore, in the section S1, the cam follower 86 and the pillar portion 85 are arranged on the outer peripheral side in the Y-axis direction from the center of the holding portion 40 (the position of the shaft portion 41). Further, in the section S2, the cam follower 86 and the pillar portion 85 are arranged on the upstream side (negative side in the X-axis direction) in the transport direction from the center of the holding portion 40 (position of the shaft portion 41).

The rotating portion 90A includes a pair of cam plates 96, 97 arranged apart from each other so as to form a gap GP. The rotating portion 90A rotates the positive electrode 11 with a separator via the cam follower 86 and the holding portion 40 by passing the cam follower 86 through the gap GP. Specifically, a cam plate 96 is provided on the outer peripheral side of the rotating portion 90A, and a cam plate 97 is provided on the inner peripheral side. The cam plates 96 and 97 have a linear region E1, a semicircular region E2, and a linear region E3. The region E1 is a portion corresponding to the end portion of the section S1 on the downstream side (negative side in the X-axis direction) in the transport direction. Therefore, in the region E1, the cam plates 96 and 97 extend parallel to each other in the X-axis direction with a gap GP opened. The region E3 is a portion corresponding to the end portion of the section S2 on the upstream side (negative side in the X-axis direction) in the transport direction. Therefore, in the region E3, the cam plates 96 and 97 extend parallel to each other in the X-axis direction with a gap GP opened. The region E2 is a portion between the regions E1 and the regions E2 where the cam plates 96 and 97 extend in a substantially semicircular shape.

Here, when the center CP1 of the semicircular portion of the rail portion 80 is used as a reference, the distance between the center CP1 and the center position in the width direction of the gap GP corresponds to the turning radius of the cam follower 86. This turning radius gradually decreases as it advances in the transport direction, that is, as it advances from the region E1 side to the region E3 side. Therefore, the turning radius at the upstream end (starting point) of the region E2 in the transport direction is set to "L1", the turning radius at the position 90 ° from the starting point is set to "L2", and the turning radius is set to "L2" at the position 180 ° from the starting point. When the turning radius is "L3", the relationship "L1> L2> L3" is established. As a result, the cam follower 86 guided to the gap GP of the cam plates 96 and 97 turns so that the turning radius becomes smaller as the cam follower 86 advances in the transport direction. On the other hand, the turning radius of the center (shaft portion 41) of the holding portion 40 is constant regardless of the position in the transport direction. Therefore, the holding portion 40 rotates around the shaft portion 41 according to the turning radius of the eccentric cam follower 86. In the present embodiment, the gap GP of the cam plates 96 and 97 is adjusted so that the holding portion 40 and the positive electrode 11 with a separator rotate by 90 °.

The rotating portion 90B has the same structure as the rotating portion 90A, and the holding portion 40 is 90 so as to return the direction of the holding portion 40 rotated by the rotating portion 90A to the original position in the section S1. ° Rotate.

Next, the extrusion mechanism 70A will be described. As shown in FIGS. 6 and 7, the extrusion mechanism 70A uses the cam member 71A (first guide wall portion), the driving unit 72 that generates the driving force of the cam member 71A, and the driving force of the driving unit 72. A transmission unit 73 that transmits to the cam member 71A is provided. As shown in FIG. 5, the extrusion mechanism 70A is arranged adjacent to the section S1, and the cam member 71A extends along the section S1. Specifically, the cam member 71A is a long plate member extending in the X-axis direction with the Y-axis direction as the width direction, and has a flat surface parallel to the transport direction and a Y-axis on the upstream side in the transport direction. It has a tapered surface that slopes to the negative side of the direction (see also FIG. 4). The cam member 71A can reciprocate in the Y-axis direction by the operation of the drive unit 72. The cam member 71A is restricted from moving in the X-axis direction and the Z-axis direction. When the cam member 71A moves to the positive side in the Y-axis direction, it comes into contact with the cam follower 46 and can push the cam follower 46 to the positive side in the Y-axis direction. The cam member 71A returns to the original position after pushing out the cam follower 46. That is, the cam member 71A is a member that adjusts the position of the holding portion 40 by contacting the cam follower 46 of the holding portion 40 on the positive electrode conveying device 110 side.

The operation of the cam member 71A will be described in more detail with reference to FIG. After the positive electrode 11 (the positive electrode 11 is omitted in FIG. 8 for explanation) is detected by the positive electrode tracking camera 150, the cam follower 46 continues to move together with the holding portion 40 so as to be close to the cam member 71A (for the sake of explanation, the positive electrode 11 is omitted). Position PG1a). The cam member 71A at this time is arranged at the position PG4a. When the cam follower 46 comes into contact with the tapered surface 71a of the cam member 71A, the cam follower 46 is guided to the flat surface 71b of the cam member 71A by the tapered surface 71a (position PG2a). Then, when the cam follower 46 reaches the flat surface 71b, the drive unit 72 moves the cam member 71A to the positive side in the Y-axis direction (position PG5a). As a result, the cam follower 46 is pushed out together with the holding portion 40 (position PG3a).

As described above, in the section S1, the long sides 11a and 11b of the positive electrode 11 with a separator are orthogonal to the transport direction (see FIG. 5). That is, the long sides 11a and 11b when the position is adjusted by the cam member 71A of the extrusion mechanism 70A are orthogonal to the transport direction. Therefore, the cam member 71A of the extrusion mechanism 70A can adjust the position of the positive electrode 11 with a separator along the long sides 11a and 11b by adjusting the position of the holding portion 40.

With reference to FIG. 7, the position adjustment along the long sides 11a and 11b of the positive electrode 11 with a separator by the cam member 71A of the extrusion mechanism 70A will be described in detail. First, FIG. 7A shows a state in which the positive electrode 11 with a separator has no deviation in the Y-axis direction along the long sides 11a and 11b. On the other hand, the positive electrode 11 with a separator is displaced in the Y-axis direction along the long sides 11a and 11b, so that the holding portion 40 is moved to the positive side in the Y-axis direction by a predetermined amount from the state shown in FIG. 7A. When it becomes necessary to move only the cam member 71A, the cam member 71A moves to the positive side in the Y-axis direction by a movement amount corresponding to the predetermined amount. In this case, as shown in FIG. 7B, the cam follower 46 is pushed out to the positive side in the Y-axis direction, and the connecting portion 42 is guided by the guide portion 44 and moves to the positive side in the Y-axis direction. As a result, the holding portion 40 moves to the positive side in the Y-axis direction together with the connecting portion 42 and the shaft portion 41. Here, the position of the positive electrode 11 with a separator can be adjusted with the holding portion 40 along the long sides 11a and 11b. When the cam member 71A returns to the state shown in FIG. 7A, the holding portion 40, the shaft portion 41, the connecting portion 42, and the cam follower 46 are shown in FIG. 7A due to the elastic force of the spring member 38. Return to position. Further, when the positive electrode 11 with a separator is displaced on the negative side in the Y-axis direction along the long sides 11a and 11b, the cam member 71A moves from the state shown in FIG. 7A to the negative side in the Y-axis direction. Moving. As a result, the holding portion 40 moves to the negative side in the Y-axis direction due to the elastic force of the spring member 38.

As shown in FIGS. 5 and 6A, the extrusion mechanism 70B has a mechanism similar to that of the extrusion mechanism 70A except that the extrusion direction is opposite to that of the extrusion mechanism 70A. Here, in the section S2, the short sides 11c and 11d of the positive electrode 11 with a separator are orthogonal to the transport direction (see FIG. 5). That is, the short sides 11c and 11d when the position is adjusted by the cam member 71B of the extrusion mechanism 70B are orthogonal to the transport direction. Therefore, the cam member 71B of the extrusion mechanism 70B can adjust the position of the positive electrode 11 with a separator along the short sides 11c and 11d by adjusting the position of the holding portion 40. Specifically, when the positive electrode tracking camera 155 detects that the positive electrode 11 with a separator held by the holding portion 40 is displaced in the Y-axis direction along the short sides 11c and 11d, the positive electrode 11 is directly concerned. When the positive electrode 11 with a separator is laminated on the mounting table 200, it is laminated in a state of being displaced in the Y-axis direction. Therefore, the extrusion mechanism 70B adjusts the position of the positive electrode 11 with a separator along the short sides 11c and 11d in the Y-axis direction, so that the positive electrodes 11 can be laminated without any deviation. At this time, the position is adjusted with the holding portion 40 in the direction along the long sides 11a and 11b. Therefore, by aligning the holding portion 40 and the mounting table 200 in the X-axis direction, the holding portion 40 and the mounting table 200 can be accurately laminated in the directions along the long sides 11a and 11b.

The cam member 71A of the extrusion mechanism 70A and the cam member 71B of the extrusion mechanism 70B are members provided independently of the cam follower 46. Therefore, when one transfer portion 45 moves to a position different from that of the cam members 71A and 71B and the other transfer portion 45 arrives at a position facing the cam members 71A and 71B in the Y-axis direction, the cam member 71A , 71B can push out the cam follower 46 of the new transfer unit 45. As a result, the holding portions 40 of the plurality of transfer portions 45 are positioned by the common cam members 71A and 71B based on the detection results of the positive electrode tracking cameras 150 and 155.

The position of the cam member 71A of the extrusion mechanism 70A is adjusted while the holding portion 40 is performing the holding operation of the positive electrode 11 with a separator. That is, before the holding portion 40 holds the positive electrode 11 with a separator, the holding portion 40 moves in a state of being separated upward from the positive electrode 11 with a separator. Then, as shown in FIG. 7, the holding portion 40 descends and comes into contact with the positive electrode 11 with a separator and adsorbs the holding portion 40 when the position is accurately adjusted in the Y-axis direction. Once the holding portion 40 holds the positive electrode 11 with a separator, the positional relationship adjusted by the cam member 71A is maintained. Further, the position of the cam member 71B of the extrusion mechanism 70B is adjusted while the holding portion 40 performs the laminating operation of the positive electrode 11 with a separator. That is, before the holding portion 40 stacks the positive electrode 11 with a separator on the mounting table 200, the holding portion 40 and the positive electrode 11 with a separator move in a state of being separated upward from the mounting table 200 (the laminated body on the mounting table 200). doing. Then, the holding portion 40 descends to stack the positive electrode 11 with a separator when the position is accurately adjusted in the Y-axis direction by the extrusion mechanism 70B. The mechanism for lowering the holding portion 40 is not particularly limited, and a known mechanism may be adopted. For example, at a position where the holding portion 40 is lowered while supporting the shaft portion 41 while being guided by the guide rail, a step may be provided on the guide rail and the shaft portion 41 and the holding portion 40 may be lowered by their own weight. Alternatively, an actuator for lowering the holding portion 40 may be provided.

When the holding unit 40 picks up the positive electrode 11 with a separator, the stacking device 100 may adjust the position in the rotation direction in addition to the above-mentioned position adjustment in the Y-axis direction. For example, when the positive electrode 11 with a separator is transported by the positive electrode transport device 110 in a state of being displaced in the rotation direction in the XY plane, the positive electrode tracking camera 150 is aligned with the deviation in the Y-axis direction and also is displaced in the rotation direction. To detect. On the other hand, the holding portion 40 picks up the positive electrode 11 with a separator in a state of being rotated around the shaft portion 41. Here, when the positive electrode 11 with a separator is picked up with the holding portion 40 corrected in the rotation direction, the cam follower 86 deviates from the position of the gap GP of the rotating portion 90A in the Y-axis direction. On the other hand, tapered surfaces 96a and 97a for guiding the cam follower 86 to the gap GP are formed at the upstream end of the cam plates 96 and 97 in the transport direction. As a result, even if the position of the cam follower 86 when entering the gap GP is deviated in the Y-axis direction, the cam follower 86 is guided by the tapered surfaces 96a and 97a and enters the gap GP. As a mechanism for rotating the holding portion 40 around the shaft portion 41, a known mechanism may be adopted. For example, the shaft portion 41 may be provided with an actuator for rotation, and the shaft portion 41 may be provided with a rotation actuator in the Y-axis direction. A mechanism may be adopted in which an extending adjusting member is provided and the shaft portion 41 and the holding portion 40 are rotated by operating the adjusting member.

Next, the operation / effect of the laminating device 100 according to the present embodiment will be described.

In the laminating device 100, the cam member 71A abuts on the positive electrode transport device 110 side with the cam follower 46 of the holding unit 40 to adjust the position of the holding unit 40. Further, the cam member 71B abuts on the laminated conveyor 170 side with the cam follower 46 of the holding portion 40 to adjust the position of the holding portion 40. Therefore, on the positive electrode transport device 110 side, the cam member 71A adjusts the position of the positive electrode 11 with a separator along the long sides 11a and 11b by adjusting the position of the holding portion 40. Here, the laminating device 100 includes a rotating portion 90A that rotates the positive electrode 11 with a separator in the transport direction of the positive electrode 11 with a separator. As a result, the rotating portion 90A can rotate the positive electrode 11 with a separator so that the positive electrode 11 with a separator is placed on the cam member 71B and the position can be adjusted by contacting the holding portion 40 with the cam follower 46. can. Therefore, on the laminated conveyor 170 side, the cam member 71B adjusts the position of the positive electrode 11 with a separator rotated by the rotating portion 0A along the short sides 11c and 11d by adjusting the position of the holding portion 40. As a result, the stacking device 100 uses the same cam follower 46 and two cam members 71A and 71B to position the positive electrode 11 with a separator along both the long sides 11a and 11b and the short sides 11c and 11d that intersect each other. Adjustments can be made. As described above, the position of the positive electrode 11 with a separator can be adjusted while suppressing the complication of the structure.

The long sides 11a and 11b when the position is adjusted by the cam member 71A intersect with the transport direction (X-axis direction), and the short sides 11c and 11d when the position is adjusted by the cam member 71B are in the transport direction (X-axis direction). It intersects with the X-axis direction). Here, when trying to adjust the position of the positive electrode 11 with a separator in the transport direction, an error between the transfer speed of the transfer unit 45 and the transfer speed of the positive electrode transfer device 110 (or the laminated conveyor 170) must be taken into consideration. It is difficult to adjust the position accurately. That is, even if the positive electrode tracking camera 150 detects a deviation in the transport direction of the positive electrode 11 with a separator, a shift due to a transport speed error occurs between the time of the detection and the time of holding by the holding unit 40. On the other hand, in the direction intersecting the transport direction (Y-axis direction), the error of the transport speed as described above does not occur, so that the position adjustment can be easily performed. Since the long sides 11a and 11b and the short sides 11c and 11d at the time of position adjustment intersect the transport direction, the cam members 71A and 71B are positive electrodes with a separator in the direction intersecting the transport direction (Y-axis direction). The position of 11 can be adjusted. From the above, the cam members 71A and 71B can accurately adjust the position of the positive electrode 11 with a separator.

The position of the cam member 71A is adjusted while the holding portion 40 is performing the holding operation of the positive electrode 11 with the separator, and the cam member 71B is positioned while the holding portion 40 is performing the laminating operation of the positive electrode 11 with the separator. Make adjustments. Therefore, the holding portion 40 can hold the positive electrode 11 with a separator in a state where the positions have been adjusted along the long sides 11a and 11b, and the positions have been adjusted along the short sides 11c and 11d. The positive electrode 11 with a separator can be laminated.

The positive electrode transfer device 110 and the stacking conveyor 170 are located on opposite sides of each other by an annular path (rail portion 80). For example, if the positive electrode transfer device 110 and the stacking conveyor 170 are located on the same side of the annular path, and both cam members 71A and 71B are arranged on the same side of the annular path, the side becomes longer and the entire path becomes longer. It may be long (for example, a state in which both long cam members 71A and 71B are arranged in the section S1 of FIG. 4). On the other hand, if the above configuration is adopted, the cam member 71A on the positive electrode transfer device 110 side and the cam member 71B on the stacking conveyor 170 side can be located on opposite sides of each other by an annular path. Therefore, the route can be made compact.

The stacking device 100 further includes a positive electrode tracking camera 150 that detects the position of the positive electrode 11 with a separator by the positive electrode transport device 110, and the holding unit 40 is on the positive electrode transport device 110 side based on the detection result of the positive electrode tracking camera 150. The position is adjusted with. As a result, the position of the cam member 71A can be adjusted based on the amount of deviation along the long sides 11a and 11b of the positive electrode 11 with a separator detected by the tracking camera 150 for the positive electrode.

The laminating device 100 further includes a positive electrode tracking camera 155 that is in a state of being held by the holding unit 40 and detects the position of the positive electrode 11 with a separator rotated by the rotating unit 90A, and the holding unit 40 is used for tracking the positive electrode. The position is adjusted on the stacking conveyor 170 side based on the detection result of the camera 155. As a result, the position of the cam member 71B can be adjusted based on the amount of deviation along the short sides 11c and 11d of the positive electrode 11 with a separator detected by the tracking camera 155 for the positive electrode.

The cam members 71A and 71B adjust the positions of the holding portions 40 of the plurality of transfer portions 45. As a result, in the transfer section 45, it is not necessary to provide an actuator in each transfer section 45 for position adjustment, and an increase in weight can be suppressed. Further, since a common cam plate is used instead of individually providing a cam plate for each holding portion 40, an increase in the number of parts can be suppressed.

The holding portion 40 has a cam follower 86 provided at a position deviated from the center of the holding portion 40, and the rotating portions 90A are a pair of cam plates 96, which are arranged apart from each other so as to form a gap GP. By providing 97 and passing the cam follower 86 through the gap GP, the positive electrode 11 with a separator may be rotated via the cam follower 86 and the holding portion 40. In this case, if the cam followers 86 are provided on the individual holding portions 40 of the plurality of transfer portions 45, the pair of cam plates 96 and 97 of the rotating portions 90A can be used as a common member. This eliminates the need to individually provide rotation actuators for each transfer unit 45.

The present invention is not limited to the above-described embodiment.

For example, the shape of the guide wall portion is not limited to the shape and operation of the cam members 71A and 71B of the above-described embodiment, and any shape and operation can be adopted as long as the position of the seat body can be adjusted. May be done.

The rotating portion is not limited to the configuration using the pair of cam plates 96, 97 and the cam follower 86 as in the above-described embodiment, and may be appropriately changed as long as it is a mechanism capable of rotating the seat body. For example, an actuator for rotating the holding portion 40 may be provided for each transfer portion.

Further, the cam member 71A may adjust the position along the short sides 11c and 11d, and the cam member 71B may adjust the position along the long sides 11a and 11b. Further, the shape of the electrode is not limited to that shown in the embodiment.

Further, the sheet body to be held is not limited to the electrode, and a laminated sheet body in which a positive electrode, a negative electrode, and a separator are combined may be held. In this case, the other side of the laminated conveyor 170 does not need a configuration corresponding to the negative electrode transfer device 120 and the negative electrode transfer device 140.

9 ... Negative electrode (sheet body), 11 ... Positive electrode with separator (sheet body), 11a, 11b ... Long side (first side), 11c, 11d ... Short side (second side), 40 ... Holding part, 45 ... Transfer part, 46 ... Cam follower (contact part), 71A ... Cam member (first guide wall part), 71B ... Cam member (second guide wall part), 86 ... Cam follower, 90A ... Rotating part, 96, 97 ... Cam plate, 100 ... Laminating device, 110 ... Positive electrode transport device (first transport section), 120 ... Negative electrode transport device (first transport section), 150 ... Positive electrode tracking camera (first position detection) Unit), 155 ... Positive electrode tracking camera (second position detection unit), 160 ... Negative electrode tracking camera (first position detection unit), 165 ... Negative electrode tracking camera (second position detection unit), 170 ... Laminated conveyor (second transport section).

Claims (8)

A first transport section and a second transport section for transporting a sheet body having a first side and a second side that intersect each other,
It circulates along an annular path, holds the sheet body of the first transport section by the holding section, moves the sheet body to the second transport section, and releases it at the second transport section. Transfer section and
A rotating portion that rotates the sheet body with respect to the transport direction of the sheet body, and
The first guide wall portion that adjusts the position of the holding portion by contacting the contact portion of the holding portion on the first transport portion side.
A second guide wall portion for adjusting the position of the holding portion by contacting the contact portion of the holding portion on the second transport portion side is provided.
The first guide wall portion adjusts the position of the sheet body along the first side by adjusting the position of the holding portion.
The second guide wall portion is a laminating device that adjusts the position of the sheet body rotated by the rotating portion along the second side by adjusting the position of the holding portion. The first side when the position is adjusted by the first guide wall portion intersects with the transport direction.
The laminating device according to claim 1, wherein the second side when the position is adjusted by the second guide wall portion intersects the transport direction. The position of the first guide wall portion is adjusted while the holding portion is performing the holding operation of the sheet body.
The laminating device according to claim 1 or 2, wherein the position of the second guide wall portion is adjusted while the holding portion is performing the laminating operation of the sheet body. The laminating device according to any one of claims 1 to 3, wherein the first transport unit and the second transport unit are located on opposite sides of each other by an annular route. The first position detecting unit for detecting the position of the sheet body in the first conveying unit is further provided.
The laminating device according to any one of claims 1 to 4, wherein the holding portion is positioned on the first transporting portion side based on the detection result of the first position detecting portion. A second position detecting unit that is in a state of being held by the holding unit and detects the position of the sheet body rotated by the rotating unit is further provided.
The laminating device according to any one of claims 1 to 5, wherein the holding portion is positioned on the second transporting portion side based on the detection result of the second position detecting portion. The laminating device according to any one of claims 1 to 6, wherein the first guide wall portion and the second guide wall portion adjust the positions of the holding portions of the plurality of transfer portions. .. The holding portion has a cam follower provided at a position deviated from the center of the holding portion.
The rotating part
It has a pair of cam plates that are spaced apart so as to form a gap between them.
The laminating device according to any one of claims 1 to 7, wherein the sheet body is rotated via the cam follower and the holding portion by passing the cam follower through the gap.

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