JP2012221707A - Device and method for conveying separator - Google Patents

Device and method for conveying separator Download PDF

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Publication number
JP2012221707A
JP2012221707A JP2011085738A JP2011085738A JP2012221707A JP 2012221707 A JP2012221707 A JP 2012221707A JP 2011085738 A JP2011085738 A JP 2011085738A JP 2011085738 A JP2011085738 A JP 2011085738A JP 2012221707 A JP2012221707 A JP 2012221707A
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JP
Japan
Prior art keywords
separator
positive electrode
outer peripheral
cut
peripheral surface
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2011085738A
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Japanese (ja)
Inventor
Hiroshi Yuhara
Takehiro Yanagi
Manabu Yamashita
学 山下
岳洋 柳
浩 油原
Original Assignee
Kyoto Seisakusho Co Ltd
Nissan Motor Co Ltd
日産自動車株式会社
株式会社京都製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Kyoto Seisakusho Co Ltd, Nissan Motor Co Ltd, 日産自動車株式会社, 株式会社京都製作所 filed Critical Kyoto Seisakusho Co Ltd
Priority to JP2011085738A priority Critical patent/JP2012221707A/en
Priority claimed from US14/009,269 external-priority patent/US9502704B2/en
Publication of JP2012221707A publication Critical patent/JP2012221707A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage
    • Y02E60/12Battery technologies with an indirect contribution to GHG emissions mitigation

Abstract

PROBLEM TO BE SOLVED: To provide a device and method for conveying a separator in which a separator shape is stabilized and processing accuracy in a post-step can be improved.SOLUTION: A device for conveying a separator includes: laminating drums 310 and 320 which can be rotated by holding a separator raw material S to be continuously supplied with the outer peripheral surfaces 311; and cut-out parts 350 by which the separator raw material S held on the outer peripheral surfaces 311 of the laminating drums 310 and 320 is cut off on the outer peripheral surfaces 311 and cut out into a prescribed shaped separator. While maintaining a state where the separator cut out by the cut-out parts 350 is held on the outer peripheral surfaces 311, this device conveys the separator by rotating the laminating drums 310 and 320.

Description

  The present invention relates to a parator transport device and a separator transport method.

  In recent years, laminated batteries have been used in various batteries such as automobile batteries, solar batteries, and electronic equipment batteries. A laminated battery is formed by forming a positive electrode, a negative electrode (hereinafter, the positive electrode and the negative electrode may be referred to as electrodes) and a separator in a sheet shape, and alternately stacking the positive electrode, the separator, the negative electrode, and the separator in this order. .

  Various apparatuses have been proposed as an apparatus used for manufacturing such a stacked battery, for example, an apparatus described in Patent Document 1.

  The apparatus described in Patent Document 1 sucks and holds a sheet-like separator material supplied from a roll on the outer peripheral surface of a suction drum capable of sucking a prism, and rotates the suction drum to convey the separator material. The separator material is cut by a heat cutter provided at the corner of the outer peripheral surface of the suction drum.

Japanese Patent Laid-Open No. 2005-50583

  However, in the apparatus described in Patent Document 1, since the suction drum has a prismatic shape, the tension acting on the separator material is always changed by rotating the corner portion in accordance with the rotation. Accordingly, the shape of the separator after cutting becomes unstable, and the processing accuracy in a subsequent process is lowered. For example, when the separator after cutting is overlapped with the electrode, wrinkles or the like may occur in the separator.

  The present invention has been made in order to solve the above-described problems, and an object of the present invention is to provide a separator transport device and a transport method that can stabilize the shape of the separator and can improve the processing accuracy of a subsequent process. .

  The separator conveying device of the present invention includes a columnar rotating body that can rotate while holding a continuously supplied separator material on the outer peripheral surface, and a separator material held on the outer peripheral surface of the cylindrical rotating body on the outer peripheral surface. And a cutting portion that cuts out a separator having a predetermined shape. And the said separator conveyance apparatus conveys by rotating a cylindrical rotary body, maintaining the state which hold | maintained the separator cut by the cutting part on the said outer peripheral surface.

  In addition, the separator transport method of the present invention holds and transports a continuously supplied separator material on the outer peripheral surface of a rotatable cylindrical rotating body, and cuts the separator material on the outer peripheral surface to have a predetermined shape. Cut out the separator. And the said separator conveyance method conveys by rotating a cylindrical rotary body, maintaining the state which hold | maintained the cut-out separator on the outer peripheral surface of a cylindrical rotary body.

  According to the separator transport device and the separator transport method of the present invention, the separator is cut out on the outer peripheral surface of the cylindrical rotating body, so that the tension acting on the separator during cutting is uniform, and the shape of the separator after cutting is stable. Furthermore, since it conveys by rotating a cylindrical rotating body, maintaining the state which hold | maintained the cut-out separator on the outer peripheral surface, it can convey, maintaining the stable shape of the separator after a cutting | disconnection. For this reason, for example, generation | occurrence | production of the wrinkles etc. at the time of overlapping a separator with an electrode at a subsequent process can be suppressed, and it is possible to improve the processing accuracy in a subsequent process.

It is a perspective view showing the appearance of a lithium ion secondary battery. It is a disassembled perspective view of a lithium ion secondary battery. It is a top view which shows a negative electrode and a packaged positive electrode. It is a top view which shows a mode that the negative electrode was piled up on the packaged positive electrode. It is a schematic perspective view which shows a lamination apparatus. It is a figure which shows the electrical constitution of a lamination apparatus. It is a side view which shows the electrode conveyance part of a lamination apparatus. It is a front view which shows the electrode conveyance part of a lamination apparatus. It is a top view which shows the electrode conveyance part of a lamination apparatus. It is a schematic sectional drawing which shows the separator conveying apparatus provided in a lamination apparatus. It is 1st explanatory drawing which shows the process by the lamination | stacking apparatus containing a separator conveying apparatus. It is the 2nd explanatory view showing the process by the lamination apparatus containing a separator conveyance device. It is 3rd explanatory drawing which shows the process by the lamination apparatus containing a separator conveying apparatus. It is the 4th explanatory view showing the process by the lamination apparatus containing a separator conveyance device. It is 5th explanatory drawing which shows the process by the lamination apparatus containing a separator conveying apparatus. It is 6th explanatory drawing which shows the process by the lamination apparatus containing a separator conveying apparatus. It is a 7th explanatory view showing the process by the lamination apparatus containing a separator conveyance device. It is 8th explanatory drawing which shows the process by the lamination apparatus containing a separator conveying apparatus. It is a chart which shows operation | movement of a separator conveying apparatus. It is a schematic sectional drawing which shows the other example of a separator conveying apparatus. It is a schematic sectional drawing which shows the other example of a separator conveying apparatus.

  Embodiments of the present invention will be described below with reference to the accompanying drawings. In addition, the dimension ratio of drawing is exaggerated on account of description, and may differ from an actual ratio.

  The present invention relates to a separator transport device and a separator transport method applied to a part of a battery manufacturing process. A separator transport device according to an embodiment of the present invention constitutes a part of a laminating device for laminating a separator with an electrode. Prior to the description of the separator transport device, a description will be given of a stacking device that is a structure for assembling a battery structure and a battery power generation element.

(battery)
First, a lithium ion secondary battery (stacked battery) formed by a stacking apparatus will be described with reference to FIG. FIG. 1 is a perspective view showing the appearance of a lithium ion secondary battery, FIG. 2 is an exploded perspective view of the lithium ion secondary battery, and FIG. 3 is a plan view of a negative electrode and a packaged positive electrode.

  As shown in FIG. 1, the lithium ion secondary battery 10 has a flat rectangular shape, and the positive electrode lead 11 and the negative electrode lead 12 are led out from the same end of the exterior material 13. A power generation element (battery element) 15 in which a charge / discharge reaction proceeds is accommodated in the exterior member 13. As shown in FIG. 2, the power generation element 15 is formed by alternately stacking the packaged positive electrode 20 and the negative electrode 30.

  As shown in FIG. 3A, the packaged positive electrode 20 has a rectangular positive electrode 22 in which a positive electrode active material layer is formed on both surfaces of a very thin sheet positive electrode current collector (current collector foil). It is sandwiched between the shape separators 40. The two separators 40 are joined to each other by a joining portion 42 at an end portion, and are formed in a bag shape. In the separator 40, the positive electrode tab 23 of the positive electrode 22 is drawn from a side 44 </ b> A that is formed linearly, and an engaging portion 43 that partially protrudes is formed on a side 44 </ b> B opposite to the side 44 </ b> A. The engaging portion 43 plays a role of fixing the battery element 15 to the exterior member 13 by engaging with the exterior member 13 in the exterior member 13. In the positive electrode 22, a positive electrode active material layer 24 is formed in a portion other than the positive electrode tab 23.

  As shown in FIG. 3B, the negative electrode 30 is formed in a rectangular shape, and a negative electrode active material layer 34 is formed on both surfaces of a very thin sheet-like negative electrode current collector (current collector foil). In the negative electrode 30, a negative electrode active material layer 34 is formed in a portion other than the negative electrode tab 33.

  When the negative electrode 30 is stacked on the packaged positive electrode 20, the result is as shown in FIG. As shown in FIG. 4, the negative electrode active material layer 34 is formed to be slightly larger than the positive electrode active material layer 24 of the positive electrode 22 in plan view.

  In addition, since the method itself which manufactures a lithium ion secondary battery by laminating | stacking the packaged positive electrode 20 and the negative electrode 30 by turns is a general manufacturing method of a lithium secondary battery, detailed description is abbreviate | omitted.

(Lamination equipment)
Next, a laminating apparatus including a separator transport device according to an embodiment of the present invention will be described with reference to the drawings.

  As shown in FIGS. 5 and 6, the laminating apparatus includes a positive electrode cutting unit 100 that cuts out the positive electrode 22 from the positive electrode sheet material D, an electrode conveyance unit 200 that conveys the cut out positive electrode 22, and an electrode conveyance unit 200. A separator transport device 300 provided on the downstream side in the transport direction, a welding unit 400 provided on both sides of the separator transport device 300, and a control device 500 (control unit) that controls the entire device in an integrated manner. In the present embodiment, the direction in which the positive electrode 22 is conveyed will be described as a conveyance direction X, the direction perpendicular to the surface of the positive electrode 22 will be referred to as the vertical direction Z, and the direction that intersects the vertical direction Z and the conveyance direction X will be described as the width direction Y.

  The positive electrode cutting unit 100 cuts the positive electrode 22 (sheet member) having a predetermined shape by cutting the positive electrode sheet material D wound in a roll shape into a predetermined shape by punching or the like. The positive electrode 22 cut out here is rectangular and has a positive electrode tab 23.

  As shown in FIGS. 7 to 9, the electrode transport unit 200 attracts and holds the conveyor 210 that transports the positive electrode 22 cut out by the positive electrode cutting unit 100 and the positive electrode 22 on the conveyor 210. And a suction conveyance unit 220 that conveys to the surface. An imaging camera 230 (position detection unit) and an illumination 231 are provided above the conveyor 210.

  The conveyor 210 has an air-permeable suction belt 211 formed in an endless shape, two rotating shafts 212 that are arranged side by side in the conveyance direction and rotatably hold the suction belt 211, and are arranged inside the suction belt 211. A negative pressure generator 213.

  A plurality of air suction holes 214 are formed in the suction belt 211, and the negative pressure generator 213 sucks air through the air suction holes 214, so that the thin positive electrode 22 that is difficult to convey is placed on the conveyor 210. It can be conveyed while being sucked and held on a flat installation surface 215 (reference surface). The installation surface 215 of the suction belt 211 has a color tone in which the boundary with the positive electrode 22 can be easily recognized by the imaging camera 230, and in this embodiment, it is white.

  In the present embodiment, the conveyor 210 is applied as a flat installation surface 215 on which the positive electrode 22 can be installed in a substantially horizontal state, but other devices may be used.

  On both sides of the conveyor 210, pressing portions 240 that press and hold the side of the positive electrode 22 on the suction belt 211 are provided. The pressing unit 240 includes a clamper 242 that approaches or separates from an installation surface 215 (reference surface) on the suction belt 211 by an actuator 241 controlled by the control device 500. The clamper 242 corrects the distortion of the positive electrode 22 by pressing the positive electrode 22 against the installation surface 215. In particular, the positive electrode 22 cut out from the sheet material D wound in a roll shape is likely to curl due to remaining curl. Further, the positive electrode 22, the negative electrode 30, and the separator 40 are very thin foil-like materials, and are particularly easily deformed in a large battery such as an automobile battery. The suction belt 211 sucks and holds a member in contact with the installation surface 215, but usually does not have a suction force enough to attract a part away from the installation surface 215. Therefore, the deformation of the positive electrode 22 is corrected by pressing the positive electrode 22 against the installation surface 215 by the clamper 242. Thereby, the position of the positive electrode 22 can be grasped with high accuracy by the imaging camera 230, and the suction position by the suction conveyance unit 220 can be set with high accuracy, so that the processing accuracy in the subsequent process is improved.

  The clamper 242 presses a long portion along the two side edges H2 and H4 (edge portions) along the conveyance direction of the positive electrode 22 on the suction belt 211 in order to secure the adsorption position of the positive electrode 22 by the adsorption conveyance unit 220. It is formed in such a manner that the four sides H1 to H4 (edges) of the positive electrode 22 can be imaged by the imaging camera 230, and the inner side (center side of the positive electrode 22) of the four sides H1 to H4. Can be pressed. The clamper 242 is formed of a transparent member so that the pressed positive electrode 22 can be imaged through the clamper 242. For example, acrylic resin or glass can be applied to the transparent member, but the material is not particularly limited, and can be set as appropriate according to the frequency of the illumination 231 and the imaging characteristics of the imaging camera 230.

  The suction conveyance unit 220 is connected to a driving device (not shown) and is movable, and the suction conveyance unit 220 is provided at a lower portion of the device main body 221 and connected to a negative pressure supply source (not shown) to thereby obtain a suction force. And a suction head 222 to be exhibited. The suction head 222 can move three-dimensionally in the vertical direction Z, the transport direction X, and the width direction Y according to the operation of the driving device, and can rotate along a horizontal plane.

  The imaging camera 230 provided above the conveyor 210 captures an image of light emitted from the illumination 231 after the positive electrode 22 conveyed by the conveyor 210 is pressed and held by the clamper 242. The imaging camera 230 transmits a signal based on the image of the positive electrode 22 captured when the positive electrode 22 is transported to a predetermined position and stopped to the control device 500. Upon receiving the predetermined signal, the control device 500 calculates the position and state of the positive electrode 22 from the signal, controls the movement of the drive device of the suction conveyance unit 220 based on the calculation result, and appropriately adjusts the position and posture of the positive electrode 22. It corrects and it conveys to the clearance gap 340 (refer FIG. 5) of the separator conveying apparatus 300 mentioned later.

  Specifically, the conveyor 210 is stopped at a predetermined position, and the edges of the side areas E1 to E4 corresponding to the four sides of the positive electrode 22 are detected from the image captured by the imaging camera 230. The edge can be detected from the difference in color tone between the suction belt 211 and the positive electrode 22. From this detection result, approximate straight lines L1 to L4 of four sides are calculated using a least square method or the like. Next, corners K1 to K4 at the four corners that are the intersections of the approximate straight lines L1 to L4 on the four sides are calculated, an average value of the four corners K1 to K4 is calculated, and this is used as the coordinates of the electrode center point O. To do. The coordinates of the electrode center point O are represented by the coordinates in the transport direction X and the width direction Y. Then, an inclination angle θ in the horizontal plane (reference plane) of the positive electrode 22 is calculated from the average value of one or both of the approximate lines L2 and L4 of the two side edges H2 and H4 along the conveyance direction of the positive electrode 22. Thereafter, from the coordinates of the electrode center point O and the inclination angle θ, a correction amount of the position and inclination of the positive electrode 22 with respect to the normal position on the horizontal plane is calculated, and the suction conveyance unit 220 (position correction unit) is corrected so as to correct this correction amount. ) Is controlled to correct the position and orientation of the positive electrode 22, and is transported to the gap 340 of the separator transport device 300.

  In the present embodiment, the position and state of the positive electrode 22 are recognized by the imaging camera 230, but other sensors may also be used. For example, the contact sensor that detects the tip of the positive electrode 22 or the like may be used. The position can also be recognized.

  The suction conveyance unit 220 is vertically lowered by the suction head 222 in a state where the positive electrode 22 is conveyed to a predetermined position of the conveyor 210 and the side of the positive electrode 22 is pressed by the clamper 242 to correct the shape of the positive electrode 22. The positive electrode 22 is adsorbed and held. Then, the restraint of the positive electrode 22 by the clamper 242 is released and the positive electrode 22 is lifted while maintaining a substantially horizontal state, and then the position and posture of the positive electrode 22 are appropriately corrected according to the calculated correction amount, and the separator transport device It is conveyed to the gap 340 of 300.

  As shown in FIG. 10, an introduction support portion 250 is provided in the vicinity of the gap 340 of the separator conveyance device 300 so as to sandwich the upper and lower sides of the gap 340 and assist the introduction of the positive electrode 22 into the separator conveyance device 300. . The introduction support unit 250 includes a plurality of roller groups, supports the positive electrode 22 conveyed by the suction conveyance unit 220, and sends it to the gap 340 of the separator conveyance device 300.

  The introduction support part 250 includes an upper introduction support part 251 composed of one roller and a lower introduction support part 252 composed of a plurality of rollers. The upper introduction support portion 251 is movable in the vertical direction Z, and is moved downward from the “open state” to move the positive electrode 22 between the lower introduction support portion 252 and the roller on the most downstream side in the conveyance direction. The clamped “closed state” can be achieved, and the clamped positive electrode 22 can be sent out to the gap 340 by being rotationally driven.

  The lower introduction support unit 252 rises to a substantially horizontal state when the positive electrode 22 is delivered from the suction conveyance unit 220 from the “open state” in which the roller on the upstream side in the conveyance direction is obliquely lowered, and is in the “closed state”. The positive electrode 22 is supported so as to be transportable (see FIG. 14). The roller on the most downstream side in the conveyance direction that forms a pair with the roller of the upper introduction support portion 251 can be driven to rotate, and rotates with the positive electrode 22 sandwiched between the upper introduction support portion 251 and The sandwiched positive electrode 22 can be sent out to the gap 340.

  Therefore, when the positive electrode 22 is conveyed by the adsorption conveyance unit 220, the upper introduction support portion 251 is lowered to sandwich the tip portion of the positive electrode 22 between the lower introduction support portion 252 and the lower introduction support portion. The roller 252 is raised to a substantially horizontal state to support the lower surface of the positive electrode 22. Thereafter, the positive electrode 22 is released from the suction head 222 of the suction conveyance unit 220, and the positive electrode 22 is sequentially fed into the gap 340 of the separator conveyance device 300 by the rotation of the introduction support unit 250.

  The separator conveyance device 300 is configured to stack the separator 40 on the positive electrode 22 conveyed by the adsorption conveyance unit 220 while cutting out the separator 40 from the sheet-like separator material S. The separator conveying device 300 includes a pair of upper and lower laminated drums 310 (cylindrical rotating body) and a laminated drum 320 (cylindrical rotating body) formed in a columnar shape.

  The pair of upper and lower laminated drums 310 and 320 are arranged in parallel to each other so that the rotation axis is perpendicular to the transport direction X, the outer peripheral surfaces 311 are opposed to each other with a predetermined gap 340 therebetween, and symmetrical with respect to the horizontal plane. Consists of.

  An adsorption portion capable of adsorbing the separator 40 is formed on the outer peripheral surface 311 of each of the lamination drums 310 and 320, and an inner structure portion 330 provided non-rotatably is provided inside the lamination drums 310 and 320. The width (length in the rotation axis direction) of the stacking drums 310 and 320 is such that both edges of the separator material S protrude from both ends of the stacking drums 310 and 320.

  The upper and lower laminated drums 310 and 320 are arranged with a gap 340 therebetween, and the gap 340 rotates in the same direction toward the downstream side in the transport direction X. That is, the stacking drum 310 located on the upper side rotates counterclockwise on the paper surface of FIG. 10 to convey the separator 40 sucked and held on the outer peripheral surface 311 to the gap 340. Further, the lower layered drum 320 is rotated clockwise on the paper surface of FIG. 10 to convey the separator 40 sucked and held on the outer peripheral surface 311 to the gap 340. The upper and lower laminated drums 310 and 320 are driven by a drive motor (not shown) whose rotation is controlled by the control device 500.

  The multi-layer drums 310 and 320 have innumerable vent holes 312 formed on the outer peripheral surface 311, and a recess into which a separator cutter 351 (cutting blade) provided in a cutting unit 350 described later can enter a part of the circumferential direction. 313 (receiving part) is formed. The recesses 313 are formed at two positions of 180 degrees of the laminated drums 310 and 320. The two recesses 313 are provided in the circumferential direction in order to cut out the two separators 40 each time the stacking drums 310 and 320 rotate, and the separator cut out during one rotation of the stacking drums 310 and 320. According to the number of 40, the number of circumferential recesses 313 can be changed.

  In the vicinity of each of the stacking drums 310 and 320, the outer periphery of the stacking drums 310 and 320, and a feed roller unit 360 (lock mechanism) for supplying or restraining the sheet-like separator material S in the vicinity of the outer peripheral surface 311 A cutting part 350 for cutting the separator material S on the surface 311 and a cut piece suction part 370 for collecting an unnecessary cut piece S ′ (see FIG. 15) generated by cutting by the cutting part 350 are provided. .

  A small delivery roller portion 360 formed in a columnar shape is provided obliquely above and obliquely below the separator conveyance device 300 in the conveyance direction.

  In the delivery roller unit 360, a pair of delivery rollers 361 and 362 formed in a columnar shape are disposed with a predetermined gap on the diagonally upper side and the diagonally lower side on the downstream side in the conveyance direction of the separator conveyance device 300. The feed roller unit 360 feeds a continuous separator material S conveyed from a separator roll (not shown) to the separator conveying device 300 by rotating while sandwiching the separator material S between the gaps, and stops sending by stopping. The separator material S is restrained. The feed rollers 361 and 362 are controlled by the control device 500 to feed the separator material S to the separator transport device 300 at a predetermined timing.

  The cutting unit 350 includes separator cutters 351 above and below the separator conveyance device 300, respectively. The separator cutter 351 is a thermal cutter that melts the separator material S adsorbed and held on the outer peripheral surface 311 of the laminated drums 310 and 320 and cuts it into a predetermined shape. Specifically, when the separator 40 is sucked and held on the outer peripheral surface 311 of the stacking drums 310 and 320 and the concave portion 313 of the stacking drums 310 and 320 moves to a position facing the separator cutter 351, the separator cutter 351 controls. In response to a command from the apparatus 500, the apparatus moves so as to enter the recess 313 of the stacking drums 310 and 320, melts the separator 40, and cuts it into a predetermined shape as shown in FIG. When the separator 40 is continuously cut out from the separator material S, the rear end of the separator 40 cut out first is set as a side 44B where the engaging portion 43 is formed, and the front end of the separator 40 cut out next is set as a straight side 44A. By cutting out the two sides 44A and 44B whose shapes do not coincide with each other by the cutting unit 350, an excessive cut piece S ′ is generated.

  The cut piece suction part 370 includes a suction head 371 for a cutter that exerts an attractive force, and moves close to the cut portion at a timing when the separator cutter 351 comes out of the recess 313 and then moves backward after cutting the separator material S. The excess cut piece S ′ of the separator 40 cut out by the separator cutter 351 is sucked and held. Then, the cutter suction head 371 is separated from the outer peripheral surface 311 of the stacking drums 310 and 320 while the cut piece S ′ is sucked and held. Thereafter, the suction of the suction head 371 for cutter is stopped, the cut piece S ′ is released, and the cut piece S ′ is sucked and collected by the suction port 372 separately provided at a position separated from the outer peripheral surface 311 of the laminated drums 310 and 320. To do. That is, if the cut piece S ′ is collected only by the suction port 372, the cut piece S ′ may come into contact with the separator 40 or the separator material S remaining on the outer peripheral surface 311 in the suction process. By once attracting and separating at 371 and collecting at the suction port 372, the separator 40 and the separator material S can be recovered while suppressing damage to the cut piece S ′.

  The inner structure 330 provided inside each of the laminated drums 310 and 320 has a first negative pressure chamber 331 in which the strength of the negative pressure can be adjusted according to the process when the apparatus is operated, and negative pressure when the apparatus is operated. A second negative pressure chamber 332 that is kept substantially constant is formed non-rotatably. The first negative pressure chamber 331 and the second negative pressure chamber 332 are connected to a negative pressure supply device 333 provided with a pressure adjustment valve, and the internal pressure is adjusted by controlling the negative pressure supply device 333 by the control device 500. Is possible.

  The first negative pressure chamber 331 and the second negative pressure chamber 332 are separated from the outside by the inner peripheral surfaces of the lamination drums 310 and 320, and therefore, through the vent holes 312 formed in the lamination drums 310 and 320, A non-rotating negative pressure region is generated on the outer peripheral surface 311 of the lamination drums 310 and 320. This region does not rotate even if the lamination drums 310 and 320 rotate. The first negative pressure chamber 331 is formed in a range from a position corresponding to the feed roller unit 360 to a position corresponding to the separator cutter 351 in the rotation direction of the stacking drums 310 and 320. The second negative pressure chamber 332 is formed in a range of approximately 180 degrees from a position corresponding to the separator cutter 351 to a position corresponding to the gap 340 in the rotation direction of the stacking drums 310 and 320.

  Therefore, on the outer peripheral surface 311 of the laminated drums 310 and 320, a sliding region A1 (adsorption force adjusting region) in which the negative pressure is adjusted and changed at a position corresponding to the first negative pressure chamber 331, and a second negative pressure chamber 332 are provided. Is formed at the position corresponding to the suction area A2 for sucking and holding the separator material S or the cut-out separator 40 with a substantially constant negative pressure (see FIG. 11). The suction region A2 has a strong suction force, and can hold the separator material S or the cut-out separator 40 with the suction force and rotate them by rotating the stacking drums 310 and 320. On the other hand, the sliding area A1 can be set to the same suction force as that of the suction area A2 to rotate the separator 40, and the separator material S is not separated from the outer peripheral surface 311 by reducing the suction force. The separator material S can be slid on the outer peripheral surface 311 without rotating when the stacking drums 310 and 320 rotate while being held to the extent.

  Further, the range from the position corresponding to the gap 340 of the inner structure portion 330 to the position corresponding to the feed roller portion 360 in the rotation direction of the lamination drums 310 and 320 is the first negative pressure chamber 331 and the second negative pressure chamber 331. Since none of the pressure chambers 332 is provided, a non-adsorption region A3 where no negative pressure is generated and the separator 40 is not adsorbed is formed non-rotatably at a portion corresponding to this range of the outer peripheral surface 311.

  The separator transport device 300 sucks, holds and transports the separator 40 while cutting the separator 40 between the stacking drums 310 and 320, and synchronizes the rotation of the stacking drums 310 and 320 and the transport speed of the electrode 22 by the electrode transport unit 200. The separators 40 are sequentially stacked on both surfaces of the positive electrode 22 from the downstream side in the transport direction X. At this time, the electrode 22 is introduced into the tangential direction T (see FIG. 10) of the cylindrical laminated drums 310 and 320 by the suction conveyance unit 220.

  The welding part 400 welds both edge parts of the separator 40 laminated | stacked on both surfaces of the positive electrode 22 (refer FIG. 3). The welding portion 400 includes a pair of upper and lower welding machines 410 and 420 at both ends in the rotational axis direction of the laminated drums 310 and 320, respectively.

  The upper and lower welding machines 410 and 420 are provided with a plurality of protrusions 411 and 421 along the conveying direction X on the opposing surfaces, and heating the separators 40 while pressurizing the separators 40 by the opposing protrusions 411 and 421. It can be welded.

  The welding machines 410 and 420 are movable in the conveyance direction X and the vertical direction Z, and move at the same speed in the conveyance direction X so as to be synchronized with the separator 40 and the positive electrode 22 that are conveyed and stacked in the gap 340. The stacked separators 40 are joined to each other by the protrusions 411 and 421 that approach each other and face each other to form a joint 42. When the positive electrode 22 packaged in a bag shape by the separator 40 is transported to a predetermined position, the welding machines 410 and 420 are separated from each other, moved upstream in the transport direction, and then moved again at the same speed in the transport direction X. Then, the other joints 42 are welded in close proximity. After all the joining portions 42 are joined, the welding machines 410 and 420 are separated from each other, and the produced packaged positive electrode 20 is opened.

  In order to join separators 40 to each other, the structure is not limited to the above-described structure. For example, the separators 40 are welded while being heated between a pair of rotating heating rollers, or are bonded by pressure alone without being heated, or It is also possible to join using an adhesive.

  As shown in FIG. 6, the control device 500 includes a positive electrode cutting unit 100, an imaging camera 230, a pressing unit 240, a conveyor 210, a suction conveyance unit 220, an introduction support unit 250, a delivery roller unit 360, a stacking drum 310 and 320, a cutting unit. All of the part 350, the cut piece suction part 370, the negative pressure supply device 333, and the welding part 400 can be integrated and controlled, and can be operated while being synchronized with each other. In addition, the control apparatus 500 can also control collectively including the other apparatus for comprising a battery.

  Next, a laminating method using the present laminating apparatus will be described with reference to FIGS.

  First, the positive electrode sheet material D wound in a roll is cut by the positive electrode cutting unit 100 to form the positive electrode 22. The cut out positive electrode 22 is placed on the installation surface 215 of the conveyor 210 by a suction pad or a conveyor (not shown). Further, the feeding roller unit 360 holds a single continuous separator material S fed from the separator roll in a gap and restrains it. Therefore, the leading end portion of the separator material S is located at the uppermost part or the lowermost part of the separator conveying device 300 as shown in FIG. In the first negative pressure chamber 331, the negative pressure is set low, and the separator drums S, 320 are slid on the inner surface of the separator material S without the separator material S being pulled out in the sliding region A1 of the outer peripheral surface 311. It is rotating. In this embodiment, since the two separators 40 are cut out by one rotation of the stacking drums 310 and 320, the separator 40 that has been cut out already has already been cut out as shown by a two-dot chain line in FIG. 320 are adsorbed onto the outer peripheral surface 311 and conveyed.

  As shown in FIG. 11, the conveyor 210 on which the positive electrode 22 is placed has the positive electrode 22 on the installation surface 215 of the suction belt 211 adsorbed and held by the suction belt 211, while suppressing the occurrence of curling and the like in the conveying direction X Are transported in a vertical row (tabs are arranged on the upstream side in the transport direction X). The positive electrodes 22 may be conveyed side by side (tabs are arranged in the width direction Y). When the suction belt 211 moves to a predetermined position, the suction belt 211 stops moving while the positive electrode 22 is sucked and held. And as shown in FIG. 12, the press part 240 act | operates and the elongate site | part in alignment with 2 side edge H2, H4 of the positive electrode 22 is pressed by the clamper 242 (refer FIG. 8, 9). Thereby, deformations such as rounding of the positive electrode 22 are corrected. Then, when the portion of the positive electrode 22 that has floated from the suction belt 211 approaches the suction belt 211, it is sucked by the suction belt 211, and the positive electrode 22 adheres tightly on the installation surface 215.

  In this state, the imaging camera 230 images the four sides H <b> 1 to H <b> 4 of the positive electrode 22 and transmits a predetermined signal to the control device 500. The control device 500 calculates the coordinates of the electrode center point O and the inclination angle θ from the received signal by the method described above, and calculates the correction amount of the position and inclination of the positive electrode 22 with respect to the normal position. Note that the clamper 242 presses the inner side (center side of the positive electrode 22) from the edge of the four side edges H1 to H4 of the positive electrode 22 during imaging, and therefore the imaging camera 230 reliably secures the four side edges H1 to H4. Can be imaged. Further, since the clamper 242 is formed of a transparent material, the positive electrode 22 can be imaged through the clamper 242 even if the clamper 242 enters the imaging range.

  Next, the suction head 222 of the suction conveyance unit 220 located above the suction belt 211 is lowered, and the suction head 222 is pressed against the upper surface of the positive electrode 22. As a result, the positive electrode 22 is sucked and held by the suction head 222. The positive electrode 22 is also adsorbed by the suction belt 211. However, by setting the adsorption force of the adsorption head 222 higher than that of the suction belt 211 or by temporarily stopping the adsorption by the suction belt 211, the adsorption head 222 The positive electrode 22 can be pulled away from the suction belt 211.

  Then, when the stacking drums 310 and 320 are rotated and the concave portion 313 rotating toward the position corresponding to the separator cutter 351 reaches the predetermined angle α to the position of the separator cutter 351, the control device 500 performs the first operation. The negative pressure in the negative pressure chamber 331 is increased to increase the suction force of the sliding area A1, and the feed roller unit 360 is rotated to sequentially feed the separator material S between the pair of feed rollers 361 and 362. Is started (see T1 in FIG. 19). As a result, the separator material S is adsorbed and held on the outer peripheral surface 311 of the lamination drums 310 and 320 in the sliding area A1 and the adsorption area A2 where the negative pressure is increased, and the separator material S is sequentially drawn out as the lamination drums 310 and 320 rotate. Will be. The predetermined angle α is an angle corresponding to the length of one separator 40 to be cut out.

  Thereafter, as shown in FIG. 13, the suction conveyance unit 220 moves up in the conveyance direction X after being lifted while maintaining the positive electrode 22 in a substantially horizontal state, and conveys it to the gap 340 of the separator conveyance device 300. At this time, the position and orientation of the positive electrode 22 is determined based on the correction amount during the period from when the driving device is controlled by the control device 500 and when the positive electrode 22 is adsorbed to when it is delivered to the separator conveyance device 300. Correct. Thereby, the position of the positive electrode 22 is always maintained with high accuracy, and the accuracy of lamination in the subsequent process is improved.

  When the positive electrode 22 conveyed by the adsorption conveyance unit 220 reaches the introduction support unit 250 in the “open state” provided in front of the gap 340 of the separator conveyance device 300, the introduction support unit 250 is configured as shown in FIG. The upper introduction support portion 251 is lowered to sandwich the tip of the positive electrode 22 with the lower introduction support portion 252 and the roller of the lower introduction support portion 252 is raised to be in a substantially horizontal state to be in a “closed state”. The lower surface of the positive electrode 22 is supported. Thereafter, the positive electrode 22 is released from the suction head 222 of the suction conveyance unit 220, and the positive electrode 22 is sequentially fed into the gap 340 of the separator conveyance device 300 by the rotation of the introduction support unit 250.

  Further, in the separator transport device 300, when the stacking drums 310 and 320 are rotated by an angle α from the start of rotation, the rotation of the stacking drums 310 and 320 is stopped (see T2 in FIG. 19). At this time, the separator material S is drawn on the stacking drums 310 and 320 by an angle α corresponding to the separator 40 for one sheet, and the concave portion 313 is positioned facing the separator cutter 351 of the cutting portion 350. Then, the separator cutter 351 is pressed against the separator material S according to a command from the control device 500, and the separator material S is cut into a predetermined shape to cut out the separator 40. Since the cut-out separator 40 is located in the adsorption region A2 (see FIG. 11) of the lamination drums 310 and 320, it is adsorbed and held on the lamination drums 310 and 320.

  Then, when the separator cutter 351 cuts the separator material S and then comes out of the recess 313 and moves backward (see T3 in FIG. 19), as shown in FIG. It approaches the surplus cut piece S ′, sucks and holds it, and then returns to the original position. Thereafter, suction of the cutter suction head 371 is stopped, the cut piece S 'is released, and the cut piece S' is sucked and collected by the suction port 372 (see FIG. 10).

  Then, after the positive electrode 22 is released from the suction head 222 of the suction conveyance unit 220, the positive electrode 22 is sequentially fed into the gap 340 between the stacked drums 310 and 320 by the rotation of the introduction support unit 250. Further, the stacking drums 310 and 320 are rotated again (see T4 in FIG. 19), the cut separator 40 is rotated while being adsorbed, and is conveyed to the gap 340. When the stacking drums 310 and 320 are rotated again, the controller 500 reduces the negative pressure in the first negative pressure chamber 331 to weaken the suction force in the sliding area A1, and the feed roller unit 360 causes the separator material S to be rotated. Is constrained (see FIG. 18). Accordingly, the stacking drums 310 and 320 rotate while sliding on the inner surface of the separator material S without the separator 40 being pulled out in the sliding region A1 of the outer peripheral surface 311.

  When the leading end of the separator 40 reaches the gap 340 of the separator conveying device 300, as shown in FIG. 16, first, the two separators 40 are stacked, and then the separator 40 is stacked on both surfaces of the leading end of the positive electrode 22. The At this time, the positions and speeds of the separator transport device 300 and the suction transport unit 220 are controlled so that the speeds of the separator 40 and the positive electrode 22 are the same, and the separator 40 and the positive electrode 22 are overlapped at an appropriate preset position. Control by 500. Next, the pair of welders 410 and 420 move in the transport direction X while approaching each other according to a command from the control device 500, and only the leading end portions of both edges of the separator 40 are sandwiched and sandwiched. Then, the separator 40 and the positive electrode 22 are welded by the protrusions 411 and 421 while maintaining the movement in the transport direction X (see T5 in FIG. 19). Since the separator 40 reaches the non-adsorption region A3 of the lamination drums 310 and 320 after passing through the gap, the separator 40 is separated from the outer peripheral surface 311 of the lamination drums 310 and 320 without receiving the adsorption force, and the positive electrode 22 is interposed therebetween. The paper is sequentially carried out in the carrying direction X while being sandwiched. And since the front-end | tip part of the separator 40 is already joined, even if it leaves | separates from the outer peripheral surface 311 of the lamination | stacking drum 310,320, separator 40 does not leave | separate. Thereafter, the positive electrode 22 is transported in the transport direction X in a substantially horizontal state by the introduction support portion 250 in synchronization with the stacking drums 310 and 320, and the separator 40 adsorbed and held on the outer peripheral surface 311 of the stacking drums 310 and 320 is stacked. The drums 310 and 320 are sequentially stacked on both surfaces of the positive electrode 22 as the drums 310 and 320 rotate. At this time, in order to cut out the next separator 40, the suction force of the sliding area A1 is increased again, and the supply of the separator material S by the feed roller unit 360 is started (see T6 in FIG. 19).

  After the separator 40 is stacked on both surfaces of the positive electrode 22 and transported to a predetermined position, the pair of welding machines 410 and 420 are separated and moved upstream in the transport direction, and then again as shown in FIG. The other joints 42 are welded while moving in the transport direction X and approaching each other. After all the joining portions 42 at both edges of the separator 40 are joined, as shown in FIG. 18, the welding machines 410 and 420 are separated from each other, and the produced packaged positive electrode 20 is opened (FIG. 19). (See T7). Thereafter, the joining portion 42 on the side 44B of the separator 40 is also joined by another welding machine (not shown) to form the packaged positive electrode 20.

  And the packaged positive electrode 20 can be produced continuously by repeating the above steps.

  The produced packaged positive electrode 20 is transported to the next step, and alternately stacked with the negative electrode 30 to form the battery element 15, and finally the secondary battery 10 is manufactured.

  According to the present embodiment, since the separator 40 is cut out on the outer peripheral surface 311 in a state where the separator material S is held on the outer peripheral surface 311 of the cylindrical stacking drums 310 and 320, the tension acting on the separator 40 during cutting is uniform. Thus, the shape of the separator 40 after cutting is stabilized. Furthermore, since the separator 40 is conveyed by rotating the lamination drums 310 and 320 while maintaining the state where the cut separator 40 is held on the outer peripheral surface 311, the stable shape of the separator 40 after cutting is maintained. Can be transported. For this reason, when the separator 40 is overlapped with the positive electrode 22 in a subsequent process, generation of wrinkles and the like in the separator 40 can be suppressed.

  Also, a separator cutter 351 that can be moved close to and away from the outer peripheral surface 311 of the laminated drums 310 and 320 is provided, and a concave portion 313 (receiving portion) that receives the separator cutter 351 is provided on the outer peripheral surface 311, so The separator 40 can be cut out while holding S, and the transportability is excellent. In addition, it is considered that the separator material S is cut on the outer peripheral surface 311 even if the separator material S is locally separated from the outer peripheral surface 311 by forming the concave portion 313 on the outer peripheral surface 311.

  Moreover, since the cut piece suction part 370 capable of sucking the excess cut piece S ′ of the cut separator material S is provided, the unnecessary cut piece S ′ can be collected.

  In addition, since the controller 500 (synchronizing means) that stops the rotation of the lamination drums 310 and 320 in synchronization with the cutting of the separator 40 by the cutting unit 350 is provided, the rotation of the lamination drums 310 and 320 can be stopped at the cutting timing. The separator 40 can be cut out with an accurate size.

  In addition, since the feed roller unit 360 (lock mechanism) capable of stopping the supply of the separator material S to the lamination drums 310 and 320 is provided in synchronization with the stop of the rotation of the lamination drums 310 and 320, the lamination drums 310 and 320 are provided. A separator material S having a required length can be supplied according to the rotation of 320.

  The present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the claims.

  FIG. 20 shows a modification of the laminating apparatus according to the present embodiment. As a non-adsorption region A4 of the laminating drums 310 and 320, a pressurizing chamber 334 having a pressure higher than the atmospheric pressure is provided inside the laminating drums 310 and 320. The gas (fluid) can be blown out from the vent hole 312. With such a configuration, the separator 40 can be separated from the stacking drums 310 and 320 at a timing when it is desired to separate the separator 40 without applying a load to the separator 40 as much as possible.

  FIG. 21 shows another modified example of the laminating apparatus according to the present embodiment. Instead of a cylindrical laminating drum, a suction belt 380 that can be flexibly bent and has a vent hole 382 is formed by a plurality of rotating rollers 383. Hold and configure. With such a configuration, the cross section is not limited to a circular shape, and the outer peripheral surface 381 can be formed in an arbitrary shape, and the degree of design freedom is improved. In particular, by setting the region B where the separator 40 and the positive electrode 22 between the pair of suction belts 380 are stacked widely, the separator 40 and the positive electrode 22 can be held by the suction belt 380 until the welding by the welding machine is completed. The accuracy of welding can be improved. In FIGS. 20 and 21, the same reference numerals are used for portions having the same functions as those of the present embodiment, and the description thereof is omitted.

  Moreover, although the said embodiment demonstrated the form which packed the positive electrode 22 in the separator 40 as the bag-packed positive electrode 20, the negative electrode 30 may be bagged by said lamination | stacking apparatus.

  Moreover, although the said embodiment demonstrated the case where the positive electrode lead 11 and the negative electrode lead 12 were derived | led-out from the same edge part of the cladding | exterior_material 13 as shown in FIG. 1, it is not limited to this. The positive electrode lead 11 and the negative electrode lead 12 may be led out from opposite ends, for example. In this case, when the power generation element 15 of the secondary battery 10 is formed, the negative electrode 30 and the packaged positive electrode 20 are laminated so that the positive electrode tab 23 and the negative electrode tab 33 are opposite to each other.

  In this embodiment, the predetermined gap 340 is provided between the pair of upper and lower stacking drums 310 and 320 of the separator transport device 300. However, even when the stacking drums 310 and 320 are in contact with each other and there is no gap. Good. In this case, it is preferable that one or both of the separator conveyance devices 300 have a structure that follows the thickness of the positive electrode 22 and the separator 40.

  Moreover, although the positive electrode 22 is conveyed in the substantially horizontal state in the electrode conveyance part 200, you may convey in the other direction.

  Further, the pair of laminated drums 310 and 320 may be arranged in other directions instead of being arranged up and down.

  Further, in this embodiment, one continuous separator 40 is cut out into a predetermined shape while being sucked and held on the outer peripheral surface 311 of the stacking drums 310 and 320 by the separator cutter 351. However, the stacking is cut into a predetermined shape in advance. The drums 310 and 320 may be transported while being supplied to and adsorbed to the laminated drums 310 and 320.

  In the present embodiment, a pair of symmetrical lamination drums 310 and 320 are provided, but the shape of the paired lamination drum (separator transport unit) may be asymmetrical, for example, one of them is a cylindrical lamination. It is good also as a drum and making the other into a suction belt of arbitrary shapes.

  In addition, since the stacking drums 310 and 320 have an adsorbing force, in a configuration in which one separator 40 is stacked on one surface of the positive electrode 22 (or the negative electrode 30), even one stacking drum functions sufficiently. Demonstrate.

  In addition, all of the introduction support portion 250 is made of a roller, but may be made of other members such as a flat member.

  Moreover, the cutting blade provided in the cutting part 350 may not be a thermal cutter, but may be a physically sharp cutting blade. Moreover, although the recessed part 313 is provided as a receiving part, the receiving part does not necessarily need to be the recessed part 313.

  Further, in the sliding region A1 of the laminated drums 310 and 320, the negative pressure is adjusted to adjust the slip and adsorption on the outer peripheral surface 311 of the separator material S, but the negative pressure in the first negative pressure chamber 331 is substantially reduced. The supply and restraint of the separator material S may be adjusted only by the restraining force of the feed roller unit 360 while keeping it constant. In this case, it is preferable that the suction force of the sliding region A1 is lower than the suction force of the suction region A2.

  Further, the method of applying the adsorption force to the stacking drums 310 and 320 (separator conveyance unit) is not limited to the method of adsorbing by negative pressure, and may be adsorbed by static electricity, for example.

  In the present embodiment, the positive electrode cutting unit 100, the imaging camera 230, the pressing unit 240, the conveyor 210, the suction conveyance unit 220, the introduction support unit 250, the delivery roller unit 360, the stacking drums 310 and 320, the cutting unit 350, and the cut piece The suction unit 370, the negative pressure supply device 333, and the welding unit 400 are synchronized by the control device 500 (synchronizing means), but not all of them need to be electrically synchronized. May be linked and synchronized.

40 separator,
300 separator transport device,
310, 320 laminated drum (cylindrical rotating body),
311 outer peripheral surface,
313 recess (receiving portion),
350 cutting part,
360 delivery roller section (lock mechanism),
370 Cut piece suction part,
500 control device (synchronizing means),
S separator material,
S 'Cut piece,
X transport direction,
Y width direction,
Z Vertical direction.

Claims (9)

  1. A cylindrical rotating body that can rotate while holding a continuously supplied separator material on the outer peripheral surface;
    A cutting portion that cuts the separator material held on the outer peripheral surface of the cylindrical rotating body on the outer peripheral surface to cut out a separator having a predetermined shape;
    The separator conveyance apparatus which conveys by rotating the said columnar rotary body, maintaining the state which hold | maintained the said separator cut by the said cutting part on the said outer peripheral surface.
  2. The cutting portion has a cutting blade that can be moved close to and away from the outer peripheral surface of the cylindrical rotating body,
    The separator conveyance device according to claim 1, wherein the cylindrical rotating body includes a receiving portion that receives the cutting blade.
  3.   The separator conveyance device according to claim 1 or 2, further comprising a cut piece suction portion capable of sucking an excess cut piece of the separator material cut by the cut portion.
  4.   The separator conveyance device according to any one of claims 1 to 3, further comprising synchronization means for stopping rotation of the columnar rotating body in synchronization with cutting by the cutting unit.
  5.   The separator conveyance device according to claim 4, further comprising a lock mechanism capable of stopping the supply of the separator material to the columnar rotating body in synchronization with the stop of the rotation of the columnar rotating body.
  6. Holding the separator material supplied continuously on the outer peripheral surface of a rotatable cylindrical rotator and cutting the separator material on the outer peripheral surface to cut out a separator of a predetermined shape;
    A method of conveying the separator by rotating the columnar rotating body while maintaining the state where the cut-out separator is held on the outer peripheral surface of the columnar rotating body.
  7.   The separator conveying method according to claim 6, further comprising a step of sucking and collecting an excessive cut piece of the cut separator material.
  8.   The separator conveying method according to claim 6 or 7, further comprising a step of stopping the rotation of the columnar rotating body in synchronization with the cutting of the separator material.
  9.   The separator conveyance method according to claim 8, further comprising a step of stopping the supply of the separator material to the columnar rotating body in synchronization with the stop of the rotation of the columnar rotating body.
JP2011085738A 2011-04-07 2011-04-07 Device and method for conveying separator Pending JP2012221707A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011085738A JP2012221707A (en) 2011-04-07 2011-04-07 Device and method for conveying separator

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP2011085738A JP2012221707A (en) 2011-04-07 2011-04-07 Device and method for conveying separator
US14/009,269 US9502704B2 (en) 2011-04-07 2012-04-06 Separator conveying device and separator conveying method
MX2013011456A MX2013011456A (en) 2011-04-07 2012-04-06 Separator conveyance device and separator conveyance method.
CN201280016295.0A CN103460442B (en) 2011-04-07 2012-04-06 Separator conveyance device and separator conveyance method
TW101112293A TWI472086B (en) 2011-04-07 2012-04-06 Separating plate handling device and partitioning board handling method
BR112013025865A BR112013025865A2 (en) 2011-04-07 2012-04-06 separator transport device and separator transport method
RU2013149414/07A RU2554928C2 (en) 2011-04-07 2012-04-06 Separator carrier and method of separator transfer
PCT/JP2012/059514 WO2012137922A1 (en) 2011-04-07 2012-04-06 Separator conveyance device and separator conveyance method
KR1020137028558A KR101577880B1 (en) 2011-04-07 2012-04-06 Separator conveying device and separator conveying method
EP12768240.9A EP2696390B1 (en) 2011-04-07 2012-04-06 Separator conveyance device and separator conveyance method

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JP2015197977A (en) * 2014-03-31 2015-11-09 日産自動車株式会社 Separator bonding method for electric device, separator bonding apparatus for electric device and electric device
WO2019220875A1 (en) * 2018-05-17 2019-11-21 株式会社京都製作所 Battery material stacking device
WO2019239863A1 (en) * 2018-06-12 2019-12-19 株式会社京都製作所 Battery material stacking device

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