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WO2023132495A1 - Dispositif de connexion d'extrémité de plaque d'électrode pour remplacer automatiquement une bobine d'alimentation en matériau de plaque d'électrode et procédé de connexion d'extrémité de plaque d'électrode l'utilisant - Google Patents

Dispositif de connexion d'extrémité de plaque d'électrode pour remplacer automatiquement une bobine d'alimentation en matériau de plaque d'électrode et procédé de connexion d'extrémité de plaque d'électrode l'utilisant Download PDF

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Publication number
WO2023132495A1
WO2023132495A1 PCT/KR2022/019931 KR2022019931W WO2023132495A1 WO 2023132495 A1 WO2023132495 A1 WO 2023132495A1 KR 2022019931 W KR2022019931 W KR 2022019931W WO 2023132495 A1 WO2023132495 A1 WO 2023132495A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode plate
plate material
tape
conveyor
fixing
Prior art date
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.)
Ceased
Application number
PCT/KR2022/019931
Other languages
English (en)
Korean (ko)
Inventor
정찬기
박성진
박용택
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daewon Applied Eng Co
Original Assignee
Daewon Applied Eng Co
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.)
Filing date
Publication date
Application filed by Daewon Applied Eng Co filed Critical Daewon Applied Eng Co
Publication of WO2023132495A1 publication Critical patent/WO2023132495A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to an electrode plate end joint device in which electrode plate materials are alternately and continuously supplied from a pair of unwinder devices by connecting secondary battery electrode plate materials supplied by an unwinder device to each other. is disposed oppositely between the unwinder devices on both sides, and the gripper conveyor arranges the electrode plate material unwound from the reel mounted on each unwinder device in the vertical direction to the ground, and the electrode plate material disposed close to the connection part of the electrode plate material
  • a cutter, a tape cutter that cuts the tape to a certain length, a tape conveyor that transfers the tape cut from the tape cutter and places it opposite to the electrode plate material connection part, and a number of them are formed on the surface of the tape conveyor along the length direction of the tape conveyor, and a vacuum pump
  • An electrode plate end joint device for automatic replacement of an electrode plate material supply reel consisting of a connected tape suction port and a tape conveyor drive unit that slides the tape conveyor in a direction approaching or away from the connection part of the electrode plate material, and using the same It relates to
  • electrodes used in secondary batteries capable of charging and discharging are produced by cutting electrode plate materials made of thin metal plates at regular intervals, and the electrode plate material is a reel in which thin metal plates are wound in a roll shape is mounted on an unwinder device. and the electrode plate material is unwound from the reel and supplied by the operation of the unwinder device.
  • the connection between the electrode plate material released from the exhausted reel and the electrode plate material released from the reel to be connected is vacuum adsorption of the electrode plate material, such as the automatic electrode film replacement device of Korean Patent Registration No. 10-1695650 (registered on January 6, 2017) It is composed of an electrode connection unit for fixing the electrode plate material connection portion, a cutter for cutting the connection portion, and a tape transfer unit for fixing the cut connection portion with tape, so that the electrode plate material is continuously supplied.
  • the tape transfer unit of the automatic electrode film replacement device as above grips the tape cut to a certain length with the transfer gripper, rotates the transfer gripper 180° around an axis perpendicular to the ground, changes the direction of the tape, and then transfers the gripper It is configured to advance and vacuum adsorb sequentially to the transfer block.
  • the tape transfer unit places one cut piece of tape on the transfer block in a series of operations in which the transfer gripper rotates and returns to its original position, the tape is placed on the surface of the transfer block in an inefficient manner. Since the operation of the transfer gripper for the placement operation is complicated, defects in the tape fixing part of the electrode plate material connection part due to poor tape placement are likely to occur.
  • the volume of the tape transfer unit increases to secure a space in which the transfer gripper can rotate, resulting in the miniaturization of the automatic electrode film replacement device. There were difficulties in securing usability.
  • a plurality of reels wound with electrode plate material are alternately supplied through an unwinder device so that electrode plate material for producing secondary battery electrodes can be continuously supplied, and the electrode plate material is exhausted from the reel. It is an object of the present invention to provide an electrode plate end joint device for automatically replacing an electrode plate material supply reel for supplying electrode plate material that is automatically replaced.
  • an electrode plate end joint device for automatically replacing an electrode plate material supply reel that simplifies the configuration of a taping device for arranging a tape cut to a certain length by a tape cutter to face the cut portion between electrode plate materials.
  • the electrode plate end joint for automatic replacement of the electrode plate material supply reel that can improve the utilization of the space inside the gripper conveyor where the taping device is installed through miniaturization of the taping device according to the simplified structure and operation of the taping device It aims to provide a device.
  • the electrode plate material cutter for cutting the electrode plate material supplied by the pair of unwinder devices for unwinding the reel on which the secondary battery electrode plate material is wound, and the exhaustion cut by the electrode plate material cutter
  • the electrode plate is composed of a taping device that connects the cut parts of the electrode plate material to each other, and is alternately and continuously supplied from a pair of unwinder devices.
  • the electrode plate end joint device for automatic replacement of the material supply reel it is disposed oppositely between the unwinder devices on both sides, and the electrode plate material unwound from the reel mounted on each unwinder device is placed close to the ground in a vertical direction
  • a plurality of tape conveyors are formed on the surface of the tape conveyor along the length direction, and it is composed of a tape suction port connected to a vacuum pump and a tape conveyor driving unit that slides the tape conveyor in a direction approaching or away from the connection part of the electrode plate material, and a vacuum pump. Adsorption and fixation of the opposite surface of the adhesive surface of the tape to the surface of the tape conveyor is performed through the negative pressure of the tape suction port formed by the operation.
  • a pair of substrate fixing devices for fixing the connecting portion of the electrode plate material are added to each gripper conveyor disposed opposite to each other in the process of cutting the electrode plate material and fixing the tape, and each substrate fixing device faces each other.
  • the fixing pads of the substrate fixing device are located above and below the connection part of the electrode plate material, and a fixing pad driving unit is mounted on each fixing pad to slide the fixing pad in a direction approaching or away from the electrode plate material.
  • the electrode plate material cutter is mounted on one gripper conveyor, and the taping device is mounted on the other gripper conveyor disposed opposite to the gripper conveyor on which the electrode plate material cutter is mounted.
  • the surface of the tape conveyor is made of a porous elastic material.
  • the tape suction ports are arranged at regular intervals or in a regular pattern.
  • guide rollers for adjusting the tension of the electrode plate material during cutting, connecting and fixing of the electrode plate material are mounted on the upper and lower portions of each gripper conveyor that are opposed to each other, and the guide rollers are disposed opposite to each other
  • a guide roller driving unit that slides in a direction approaching or away from the tape conveyor is mounted.
  • the taping device includes at least one of a tape detection sensor for detecting the amount of tape used or the remaining amount of tape, and a tape installation sensor for detecting whether or not the tape is mounted.
  • a plurality of substrate suction holes are formed on the surface of the fixed pad, and the substrate suction holes are connected to a vacuum pump, and the electrode plate material is directed to the surface of the fixed pad through the negative pressure of the substrate suction holes formed by the operation of the vacuum pump. Adsorption fixation takes place.
  • the electrode plate material cutter is disposed between the upper fixing pad and the lower fixing pad, and the cutter drives the blade of the electrode plate material cutter to slide in a direction approaching or away from the connection part of the electrode plate material.
  • the unit is mounted, and the connection part of the electrode plate material fixed by the upper fixing pad and the lower fixing pad is cut.
  • a fixing pad lifting unit is mounted on the upper fixing pad and the lower fixing pad, and when the taping device is operated, the upper fixing pad is raised or the lower fixing pad is lowered or the upper and lower fixing pads are moved according to the operation of the fixing pad lifting unit.
  • the tape conveyor approaches or is separated from the electrode plate material connection part.
  • the electrode plate material cutter is equipped with a blade driving unit that cuts the connection portion of the electrode plate material by transversely moving the blade in the width direction of the electrode plate material when the blade approaches the electrode plate material.
  • the tape conveyor is equipped with a tape conveyor lifting unit that lifts the tape conveyor, and when the electrode plate material cutting part is fixedly connected by the taping device, the upper fixed pad and the lower fixed pad are raised, lowered, or raised and lowered.
  • the position of the tape conveyor is controlled by the height of the space formed by
  • the electrode plate material to be connected to the end of the electrode plate material of the exhausted reel and the electrode plate material unwound from the reel to be connected are disposed close to the opposite part between the unwinder devices through the gripper conveyor, and the electrode plates are disposed close to each other Continuous supply is achieved by cutting between materials and fixing by taping, so there is an effect of enabling automatic connection and continuous supply of electrode plate materials.
  • the surface opposite to the adhesive surface of the tape cut to a certain length by the tape cutter is adsorbed and transported to the tape suction port on the surface of the tape conveyor where negative pressure is formed, thereby simplifying the configuration of the taping device for fixing the cut portion between electrode plate materials. There is an effect that can be made.
  • a tape transport means for transporting the tapes cut by the tape cutter and a block in which the transported tapes are disposed
  • the fixing pads of the substrate fixing device disposed opposite to each other are composed of an upper fixing pad and a lower fixing pad, and the upper and lower ends of the electrode plate material cutting part are respectively fixed, thereby cutting the electrode plate material in an overlapped state. It has the effect of preventing the occurrence of defects in the connection part by forming a uniform cutting surface at the time of use.
  • negative pressure is generated through substrate suction holes formed in upper and lower fixing pads, and the cut electrode plate material is fixed with only one upper and lower fixing pad disposed on the opposite side of the taping device among the upper and lower fixing pads disposed opposite to each other, There is an effect of easy access of the taping device when fixing the cutting part tape.
  • the upper and lower fixed pads and the taping device can be moved up and down through the fixed pad lifting unit and the tape conveyor lifting unit, thereby reducing the cost required for the arrangement of the taping device mounted on the gripper conveyor and the substrate fixing device.
  • the space By reducing the space, there is an effect of miniaturization of the gripper conveyor.
  • FIG. 1 is a front view showing the overall configuration of an electrode plate end joint device according to an embodiment of the present invention and a view showing supply and transport directions of electrode plate materials.
  • FIGS. 2 and 3 are diagrams showing the arrangement relationship between a gripper conveyor, a substrate fixing device, an electrode plate material cutter, and a taping device mounted in the gripper conveyor of the automatic replacement system for an electrode plate end joint device according to an embodiment of the present invention.
  • FIG. 4A is a perspective view illustrating a shape of a gripper frame of a gripper conveyor and an arrangement of tracks mounted on the gripper frame according to an embodiment of the present invention.
  • FIG. 4B is a view showing the forward or backward movement of the gripper and the crawler rotation direction of the track by forward or reverse operation of the track driving unit according to an embodiment of the present invention.
  • Figure 4c is a view showing the detailed structure of the connection part of the track made of a link chain according to an embodiment of the present invention.
  • FIG. 5 is a perspective view showing a detailed structure of a guide roller according to an embodiment of the present invention.
  • FIG. 6 is a perspective view showing a detailed structure of an electrode plate material cutter according to an embodiment of the present invention.
  • FIG. 7 is a perspective view showing a detailed structure of a taping device according to an embodiment of the present invention.
  • FIG. 8 is a perspective view showing a detailed structure of a substrate fixing device according to an embodiment of the present invention.
  • FIG. 9 is a view showing a disposition relationship between a guide roller, a substrate fixing device, and a taping device when an electrode plate material is fixed using a substrate fixing device according to an embodiment of the present invention.
  • FIG. 10 is a view showing a disposition relationship between a guide roller, a substrate fixing device, and a taping device when the tape of a cut portion of a cut electrode plate material is fixed by the taping device according to an embodiment of the present invention.
  • 11A to 11J are views illustrating detailed operations of a substrate fixing device, an electrode plate material cutter, and a taping device when connecting electrode plate materials according to an embodiment of the present invention.
  • FIG. 12 is a view showing a disposition relationship between a gripper conveyor and a gripper in a step before clamping operation of an electrode plate material end through a gripper according to an embodiment of the present invention.
  • 13 is a graph showing the end of the electrode plate material clamped in the gripper by the endless rotation operation of the track from the horizontal frame to the bottom of the vertical frame along the gripper conveyor after the clamping of the end of the electrode plate material through the gripper according to the embodiment of the present invention is completed. It is a diagram showing the transfer process.
  • FIG. 14 is a view showing an operation of discharging the ends of scraps of electrode plate material sheared through the gripper according to an embodiment of the present invention.
  • 15 is a view showing the detailed structure and clamping operation of a gripper according to an embodiment of the present invention.
  • An electrode plate end joint device for automatically replacing an electrode plate material supply reel according to an embodiment of the present invention, as shown in FIG.
  • the unwinder devices 10 are disposed oppositely, and the electrode plate material 1 is alternately unwound and supplied from the reel 2 mounted on each unwinder device 10, and one side unwinder device 10
  • the electrode plate material 1 unwinded from the reel 2 of the other unwinder device 10 is connected to the end of the electrode plate material 1 from the exhausted reel 2. will be automatically replaced.
  • reference numerals of the exhausted reel 2, the electrode plate material 1 unwound from the exhausted reel 2, and the unwinder device 10 equipped with the exhausted reel 2 are denoted by 2a, 1a, and 10a, respectively.
  • a reel 2 on which the electrode plate material 1 to be connected to the electrode plate material 1a of the exhausted reel 2a is wound, the electrode plate material 1 unwound from the reel 2 to be connected, and the reel to be connected are defined as 2b, 1b, and 10b, respectively.
  • an element disposed on the side of the unwinder device 10a A is added after the reference numeral, and elements disposed on the side of the unwinder device 10b are described by adding b after the reference numeral.
  • the direction classification according to a and b attached to the reference numerals is not an absolute direction classification, and when the reel 2 is replaced according to the exhaustion of the electrode plate material 1, a and b attached to the reference numeral are changed to each other should be understood as
  • the gripper conveyor 100 detects the end of the electrode plate material 1 released from the unwinder device 10, clamps it, and supplies it to the opposite side between the unwinder devices 10 to the unwinder devices 10 on both sides, respectively. installed
  • the gripper conveyor 100 includes a gripper frame 110 constituting the body of the gripper conveyor 100 and a track 120 seated along an outer surface of the gripper frame 110 to form a closed curve shape. ), a track driving unit 121 for rotating the track 120, mounted on the track 120 to clamp the end of the electrode plate material 1, and the clamped electrode plate material 1 to the unwinder device 10
  • the gripper 140 for transferring and disposing on the opposite surface between the electrode plate material 1 and a plurality of transfer rollers for supporting the electrode plate material 1 by changing the direction of the electrode plate material 1 unwound by the unwinder device 10 ) is composed of
  • a pair of prepper frames 110 are disposed facing each other at a predetermined interval along the width direction of the electrode plate material (1a, 1b) clamped on each gripper conveyor (100a, 100b), ,
  • the opposing frames are spaced at intervals greater than the width of the electrode plate material 1 so as to be parallel to each other, and are located outside both ends of the electrode plate materials 1a and 1b in the width direction, and a plurality of gripper frame supports 130 As the inner sides of the gripper frames 110 are connected to the ends, the separation distance between the gripper frames 110 disposed opposite to each other is fixed.
  • Each gripper frame 110 is composed of a horizontal frame 111 arranged horizontally with the ground and a vertical frame 112 formed vertically upward from one end of the horizontal frame 111 to form an L shape.
  • a plurality of conveying rollers are rotatably mounted between the gripper frames 110 disposed opposite to each other in the width direction of the electrode plate materials 1a and 1b, and the electrode plate materials 1a unwound in each unwinder device 10a and 10b. , 1b) when the supply direction is switched from the horizontal frame 111 to the opposing arrangement between the vertical frames 112, the conveying rollers are at least the upper and lower sides of the vertical frame 112 and the horizontal frame ( 111) is mounted at a location including one.
  • the track 120 is seated along the outer surface of each gripper frame 110 to form a closed curve shape, and when the track driving unit 121 is operated, according to the driving direction of the track driving unit 121, the forward direction or A reverse endless track rotation motion is performed, and the gripper 140 is mounted outside the closed curve formed by the track 120 .
  • the gripper 140 is fixed on the track 120 of each gripper frame 110 in which both ends of the clamping body constituting the body of the gripper 140 are spaced apart, and the clamping body A clamping bar disposed parallel to is connected to the clamping body through a clamping bar drive unit, so that when the clamping bar drive unit operates, the clamping bar approaches or is separated from the clamping body.
  • the clamping bar drive unit is composed of a hydraulic or air cylinder.
  • clamping is performed while the end of the electrode plate material (1b) to be connected is sandwiched between the clamping bar and the clamping body, and when the clamping bar is separated from the clamping body, the electrode Unfixing of the end of the plate material 1b is performed.
  • the gripper 140 mounted on the track 120 moves along the rotational direction of the track 120 while the end of the electrode plate material 1b clamped to the gripper 140. is advanced from the rear end of the horizontal frame 111 to a space opposite to each other between the vertical frames 112 of the gripper conveyors 100 on both sides, and placed close to the electrode plate material 1a released from the exhausted reel.
  • the electrode plate material 1b to be connected is unwound from the reel 2b by the operation of the unwinder device 10b, and the conveying speed of the end of the electrode plate material 1b by the gripper 140 is the unwinder device ( Formed at the same speed as the unwinding speed of the electrode plate material 1b from 10b), wrinkles of the electrode plate material 1b according to the occurrence of the relative speed between the unwinding speed of the unwinder device 10b and the conveying speed of the gripper 140 Or it will prevent damage due to tearing.
  • a drive shaft is connected to the rotational axis of the track driving unit 121 composed of a motor, sprockets are mounted on both ends of the drive shaft, and each gripper frame is opposed to each other in parallel.
  • the track 120 of (110) is connected to the inside of the closed curve, and when the track drive unit 121 is rotated, driving force is transmitted to both tracks 120 through sprockets.
  • each sprocket mounted on both ends of the drive shaft rotate in the same direction, and each sprocket is made of the same size to rotate the tracks 120 on both sides of each gripper frame 110 disposed opposite to each other at the same speed, and the track drive unit ( While the track 120 rotates forward or backward according to the rotation direction of 121, the gripper 140 moves forward or backward toward the opposite space between the vertical frames 112 of the gripper 140.
  • the track 120 may be composed of a link chain in which a plurality of link bodies are connected, and one pair of each link body protrudes along the outer edge of the link body.
  • a first link connection portion is formed, and a second link connection portion is formed in the central portion of the link body on the other side of each link body.
  • the second link connection part of a specific link body is connected to each other while being sandwiched between the first link connection parts of other link bodies disposed adjacent to each other, and a plurality of link bodies are connected to form a track 120 having a closed curve shape.
  • a pinhole is formed in the connection part of the first and second link connection parts to pass through the first and second link connection parts, and the fastening pin is inserted into the pinhole of the first link connection part and the second link connection part of the link body disposed adjacently to the first link connection part.
  • a gap of a certain size is formed in the connecting portion between the first and second link connecting parts, so that shock absorption due to flow between link bodies can be achieved while the track 120 moves in an endless orbit.
  • an extension frame 113 may be formed at an opposite end of the vertical frame 112 to the connection part of the horizontal frame 111, so that the gripper frame 110 may be configured to form a ⁇ shape, and at least one conveying roller is extended. It is mounted so as to face the protruding direction of the frame 113.
  • the gripper 140 can move along the track 120 seated along the outer surface of the extension frame 113, and the clamping state of the end of the electrode plate material 1b clamped by the gripper 140 is the electrode plate material 1a, In the connection process of 1b), the electrode plate material 1b is maintained even after the connection portion is cut, and the ends of the cut and separated electrode plate material 1b are fixed to the gripper 140 .
  • the gripper 140 moves forward along the rotational direction of the track 120 by the forward endless orbital rotation of the track 120, the scrap of the electrode plate material 1b is transferred to the opposite direction of the connection between the electrode plate materials 1, , After the electrode plate material 1b is separated and discharged from the gripper 140 according to the operation of the clamping bar driving unit, the gripper 140 moves backward along the track 120 by the reverse endless orbital rotation of the track 120 to return to the original position. By returning to , damage to the electrode plate material 1 or supply disruption caused by interference between the electrode plate material 1b and the electrode plate material 1 is prevented.
  • the gripper 140 is configured to be mounted on the same track 120 that moves in an endless orbit, and the operation of supplying the electrode plate material 1b to be connected through the gripper 140 and discharging the scrap of the electrode plate material 1b is performed on the track ( 120) is continuously performed by forward or reverse rotation, and the configuration of the automatic replacement device for the reel supplying the electrode plate material is to automatically replace the exhausted reel 2a and automatically connect the electrode plate materials 1a and 1b Improves the continuous supply speed of the electrode plate material 1 according to.
  • the scrap of the electrode plate material 1b is spaced apart and discharged through the crawler 140 and the track 120 motion structure, supplying the electrode plate material 1b and By unifying the remnant discharge structure of the plate material 1b, it is possible to achieve miniaturization of the equipment of the gripper conveyor 100.
  • a separation prevention guide that covers all or part of the outer surface of the gripper frame 110 may be formed in a section including a connection portion between the vertical frame 112 and the horizontal frame 111.
  • the departure prevention guide is arranged to be spaced apart from the edge outer surface at a predetermined interval so that interference does not occur during the track 120's orbital motion.
  • the departure prevention guide suppresses the sagging of the track 120 in the area of the horizontal frame 111 together with the track 120 composed of a link chain, so that the gripper 140 moves along the track 120 by the operation of the gripper conveyor 100. Prevents shaking of the gripper 140 when sliding along the rotational direction of the track 120 at the transfer direction conversion unit between the horizontal frame 111, the vertical frame 112, and the extension frame 113 prevent the occurrence of departure.
  • the electrode plate material 1 supplied from the reel 2 mounted on the unwinder device 10 is cut by the electrode plate material cutter 200, and the exhausted electrode plate material cut by the electrode plate material cutter 200
  • the rear end of the electrode plate material 1a of the reel 2a and the front end of the electrode plate material 1b of the reel 2b to be connected are fixed with a tape through the taping device 300, so that the connection between the electrode plate materials 1a and 1b It is fixed.
  • the electrode plate material cutter 200 and the taping device 300 are disposed in the space between the opposing frames of each gripper conveyor 100, and for efficient space arrangement, the electrode plate material cutter 200 is mounted on one gripper conveyor 100, and the taping device 300 is preferably mounted on the other gripper conveyor 100 disposed opposite to the gripper conveyor 100 equipped with the electrode plate material cutter 200. do.
  • the electrode plate material cutter 200 is disposed close to the connection part of the electrode plate material 1, and as shown in FIG. 6, the blade 220 cutting the electrode plate material 1 is used to connect the electrode plate material 1
  • the cutter driving unit 210 slides in a direction approaching or away from the electrode plate material 1 of the blade 220, the blade 220 is horizontally moved in the width direction of the electrode plate material 1 It is composed of a blade driving unit 221 that cuts the connection part of the electrode plate material 1 by
  • the taping device 300 includes a tape holder 310 on which a tape is mounted, a tape cutter 320 for cutting the tape released from the tape holder 310 into a predetermined length, and a tape cutter ( 320) to transfer the tape conveyor 330 facing the connecting portion of the electrode plate material 1 and sliding the tape conveyor 330 in a direction approaching or away from the connecting portion of the electrode plate material 1
  • a tape conveyor driving unit 340 that adhesively fixes the connection part of the electrode plate material 1 with the tape disposed on the tape conveyor 330 and returns the empty tape conveyor 330 to its original position.
  • a plurality of tape suction ports 331 are formed on the surface of the tape conveyor 330 along the length of the tape conveyor 330, and the tape suction ports 331 are connected to a vacuum pump and formed by operating the vacuum pump. Through the negative pressure of 331, the surface opposite to the adhesive surface of the tape is adsorbed and fixed to the surface of the tape conveyor 330.
  • the surface of the tape conveyor 330 adsorbs and fixes the tape. may be maintained, and upon completion of tape adhesion and fixation of the cutting portion of the electrode plate material (1), the vacuum pump is stopped to release the negative pressure state of the tape suction port 331, or air is supplied through the tape suction port 331. By discharging to form a positive pressure state, separation between the tape and the surface of the tape conveyor 330 can be facilitated.
  • the tape conveyor 330 from which the tape is separated is returned to its original position through the reverse operation of the tape conveyor driving unit 340 .
  • the tape suction holes 331 may be spaced apart at regular intervals, or may be arranged so that a specific pattern is regularly and repeatedly formed so that a uniform suction force acts over the entire surface of the cut tape.
  • the surface of the tape conveyor 330 may be made of a porous elastic material such as a sponge, and the tape conveyor driving unit 340 advances to the connection part of the electrode plate material 1 and the tape adsorbed on the surface of the tape conveyor 330. Damage to the connection portion of the electrode plate material 1 may be prevented by absorbing an impact generated at the connection portion between the tape conveyor 330 and the electrode plate material 1 during the bonding process.
  • the tape holder 310 includes a tape detection sensor 311 for detecting the amount of tape used or the remaining amount of the tape by detecting the distance from the surface in the radial direction of the tape mounted on the tape holder 310, or the tape holder 310. Either one selected from among the tape mounting sensors 312 that detects whether or not the tape is mounted by detecting the transport state of the tape supplied to the tape cutter 320, or both sensors may be mounted.
  • the tape detection sensor 311 or the tape installation sensor 312 notifies when the tape is replaced or whether the tape is exhausted, so as to prevent a delay or interruption in the bonding process between the electrode plate materials 1a and 1b due to the tape not being replaced. do.
  • a pair of substrate fixing devices 400 may be added to each of the gripper conveyors 100 disposed opposite to each other for fixing the connecting portion of the electrode plate material 1 in the course of cutting and tape fixing the electrode plate material 1. .
  • each substrate holding device 400 mounted on the gripper conveyors 100a and 100b are arranged to face each other, and as shown in FIG. 8, each substrate holding device 400 has a connection portion of the electrode plate material 1.
  • the fixing pads 410 of each substrate fixing device 400 are upper fixings located at the upper and lower parts of the connection part of the electrode plate material 1, respectively, so that the front and rear ends of the connection part of the electrode plate material 1 can be fixed or released. It consists of a pad 4101 and a lower fixing pad 4102, and the fixing pads 410a and 410b of the fixing devices 400a and 400b are disposed to face each other with the electrode plate material 1 interposed therebetween, and the upper fixing pad ( 4101a and 4101b and the lower fixing pads 4102a and 4102b fix or release the rear and front ends of the connection parts of the electrode plate materials 1a and 1b, respectively.
  • the electrode plate material cutter 200 is disposed between the upper fixing pad 4101 and the lower fixing pad 4102, and the upper fixing pad 4101 and the lower fixing pad 4102 are formed by the operation of the cutter drive unit 210. Through the space formed therebetween, the electrode plate materials 1a and 1b slide in the direction of the connection part, and the electrode plate materials 1a and 1b fixed by the upper fixing pads 4101a and 4101b and the lower fixing pads 4102a and 4102b The connection cut is made.
  • a plurality of substrate suction holes 411 are formed on the surface of the fixing pad 410, and a vacuum pump is connected to the substrate suction holes 411, and through negative pressure of the substrate suction holes 411 formed by the operation of the vacuum pump. It may be configured to adsorb and fix the electrode plate material 1 to the surface of the fixing pad 410 .
  • one surface of the electrode plate materials 1a and 1b is adsorbed and fixed through one of the upper fixing pads 4101a and 4101b disposed opposite to each other, or the lower fixing pad (
  • One surface of the electrode plate materials 1a and 1b can be adsorbed and fixed through one of the lower fixing pads 4102a and 4102b of 4102a and 4102b.
  • the unconnected parts of the cut electrode plate materials 1a and 1b are separated or attached to tape. It is possible to fix the surface of the opposite side of the electrode plate materials 1a and 1b fixed by
  • the upper fixing pad 4101a and 4101b and the lower fixing pads 4102a and 4102b have an upper fixing pad 4101 rising or a lower fixing pad 4102 lowering or upper and lower fixing pads 4101 and 4102 respectively.
  • a fixed pad elevation unit 430 enabling position control through elevation movement may be mounted.
  • the tape conveyor 330 In order to fix the connection part of the electrode plate materials 1a and 1b with tape through the fixed pad lifting unit 430, the tape conveyor 330 approaches the connection part of the electrode plate materials 1a and 1b, or the tape conveyor is completed after the tape is fixed. When the 330 is separated, interference between the fixed pad 410 and the taping device 300 can be prevented by moving the upper fixing pad 4101 or the lower fixing pad 4102 up and down.
  • the tape conveyor 330 may be equipped with a tape conveyor lifting unit 350 that lifts the tape conveyor 330, and when the cut portion of the electrode plate material 1 is fixedly connected with the taping device 300, the upper fixed pad By adjusting the position of the tape conveyor 330 to the height of the space formed by the elevation, descent, or elevation of the 4101 and the lower fixing pad 4102, the taping device 300 and the substrate fixing device 400 are mounted By reducing the space, miniaturization of the gripper conveyor 100 is possible.
  • guide rollers 150 for adjusting the tension of the electrode plate material 1 during cutting, connecting and fixing of the electrode plate material may be mounted on the upper and lower portions of the gripper conveyors 100a and 100b disposed opposite to each other.
  • the guide rollers 150a and 150b are provided in a direction approaching the oppositely disposed tape conveyor 330 or in a direction away from the oppositely disposed tape conveyor 330 to each guide roller 150a and 150b.
  • a sliding guide roller driving unit 151 is mounted, and the tension applied to the electrode plate materials 1a and 1b can be adjusted according to the control of the sliding direction of the guide rollers 150a and 150b.
  • the electrode plate end joint method using the electrode plate end joint device of the present invention configured as above is the electrode plate material face-to-face arrangement step, the electrode plate material fixing step, the electrode plate material cutting step, the tape adhesion preparation step, the tape adhesion step, and the electrode plate It consists of material unfixing steps, and the details of the progress of each step are as follows.
  • the sensor detects the end of the electrode plate material 1b that has started to unwind from the reel 2b to be connected by the rotation of the electrode plate material 1 in the supply direction of the unwinder device 10b.
  • the end of the electrode plate material 1b is detected, as shown in FIG. 12 , the end of the electrode plate material 1b is inserted into the space between the clamping body of the gripper 140 and the clamping bar.
  • the track driving unit 121 is operated so that the track 120 rotates in the forward direction.
  • the gripper 140 mounted on the track 120 moves forward while sliding in the direction of the gripper conveyor 100a disposed opposite to the gripper frame 110, and moves forward from the horizontal frame 111 to the vertical frame 112 )
  • the end of the electrode plate material 1b clamped on the gripper 140 moving to the upper end is disposed opposite to the connection part with the electrode plate material 1a.
  • the surface of the electrode plate material 1b is supported by the surface of the transfer roller from the horizontal frame 111 direction to the vertical frame 112 direction.
  • the conveying direction of (1b) is switched, and the conveying roller is driven to rotate during the conveying of the electrode plate material 1b, thereby preventing damage to the electrode plate material 1b.
  • the guide rollers 150a and 150b approach each other through the guide roller driving unit 151, and the electrode plate material 1a ,1b) close the connection part between them.
  • the gripper conveyors 100a and 100b fix the electrode plate materials 1a and 1b disposed in close opposition to each other with the substrate fixing devices 400a and 400b by the gripper conveyors 100a and 100b in a stopped operation state. let it
  • the guide roller driving unit 151 By the operation of the guide roller driving unit 151, the guide rollers 150a and 150b of the gripper conveyors 100a and 100b on both sides approach the electrode plate materials 1a and 1b disposed opposite to each other while moving the electrode plate materials 1a and 1b. Tension is applied to each of them to spread the connection part, and as shown in FIG. 11A, the upper fixing pads 4101a and 4101b and the lower fixing pads 4102a and 4102b are moved by the operation of the fixing pad drive unit 420 to the electrode plate material 1a. , 1b).
  • the electrode plate material cutter 200 slides and approaches the connection part of the electrode plate materials 1a and 1b by the operation of the cutter driving unit 210, and approaches the blade.
  • the operation of the cutter driving unit 210 is stopped to stop the sliding movement of the electrode plate material cutter 200.
  • the blade 220 is transversely moved in the width direction of the electrode plate material 1 through the operation of the blade drive unit 221 to cut the electrode plate material 1a, The connection portion of 1b) is cut, and when the cutting of the electrode plate material 1 is completed, the cutter driving unit 210 moves backward to return the electrode plate material cutter 200 to its original position.
  • the electrode plate material ( The cut rear end of 1a) and the cut end of the electrode plate material 1b are spaced apart from the connection part of the electrode plate material 1.
  • the lower fixing pad 4102a After separating the rear end of the cut electrode plate material 1a from the lower fixing pad 4102a by stopping the vacuum pump connected to the lower fixing pad 4102a, as shown in FIGS. 11F and 11G , the lower fixing pad 4102a is When it moves forward and contacts the electrode plate material 1b, the vacuum pump connected to the lower fixing pad 4102a is operated, the vacuum pump connected to the lower fixing pad 4102b is stopped, and then the lower fixing pad 4102b is moved backward, The upper fixing pad 4101a and the lower fixing pad 4102b fix the rear end of the electrode plate material 1a and the front end of the electrode plate material 1b, respectively, and the cut parts of the electrode plate materials 1a and 1b are connected to each other. state will be maintained.
  • the vacuum pump connected to the upper fixing pad 4101b is stopped to separate the end remnants of the electrode plate material 1b from the upper fixing pad 4101b, and the track driving unit 121 operates to move the gripper 140 forward.
  • the end remnants of the electrode plate material 1b which remains clamped to the gripper 140, are spaced apart from the connecting portion of the electrode plate material 1 while moving along the track 120 seated on the extension frame 113.
  • the clamping bar drive unit operates in the reverse direction.
  • the clamping bar is separated from the clamping body by the clamping body, the end remnants of the electrode plate material 1b clamped between the clamping body and the clamping bar are released while being discharged.
  • the end of the tape fixed to the tape holder 310 is supplied to the tape cutter 320 to cut the tape to a certain length, and the surface opposite to the adhesive side of the cut tape is supplied to the tape suction port of the tape conveyor 330. While adsorbed on the tape conveyor 330 by the operation of the vacuum pump connected to 331, it is transported from the position of the tape cutter 320 to the opposite direction of the tape cutter 320 along the length direction of the tape conveyor 330. (330)
  • the tape disposed on the surface is disposed to face the cut portion where the electrode plate materials 1a and 1b are connected to each other.
  • the transfer of the tape by the tape conveyor 330 is stopped, and the tape conveyor 330 is moved by the operation of the tape conveyor driving unit 340.
  • the electrode plate materials (1a, 1b) are tape-attached to the cut portion.
  • the upper fixed pad 4101b and the lower fixed pad 4102b in the direction in which the tape conveyor 330 is mounted can move up and down, respectively, by the operation of the fixed pad elevating unit 430.
  • the fixed pad elevating unit 430 of the upper fixing pad 4101a and the lower fixing pad 4102a fixing the electrode plate materials 1a and 1b maintains a stationary state.
  • the position of the tape conveyor 330 may be formed at a position higher or lower than the connection height of the cutting parts of the electrode plate materials 1a and 1b, and the upper fixed pad 4101b ) and the lower fixing pad 4102b are moved up and down, the height of the tape conveyor 330 is controlled through the operation of the tape conveyor lifting unit 350 to match the height of the connection between the cutting parts of the electrode plate materials 1a and 1b. .
  • the position of the gripper 140 for discharging the scraps is shown as a thick line and a broken line, respectively.
  • the vacuum pump connected to the upper fixing pad 4101a and the lower fixing pad 4102a is stopped to release and separate the adhesively fixed electrode plate material 1 from the fixing pad 410a.
  • the guide roller 150b is moved backward, and then the gripper conveyor 100b is operated to continuously supply the electrode plate material 1.
  • the exhausted reel 2a is removed from the unwinder device 10a, and a new reel 2 is mounted to prepare for supply and connection of the next electrode plate material 1 to prepare the reel ( The automatic replacement of 2) is completed.
  • the electrode plate end joint device based on the exhausted reel 2a and the reel 2b to be connected, so that the configuration and operation method of the electrode plate end joint device for automatic replacement of the electrode plate material supply reel can be easily understood, the electrode plate end joint device
  • the reel 2 is alternately unwinded and supplied from the unwinder device 10 disposed opposite to both sides, so that the electrode plate material according to the replacement of the reel 2 Due to the characteristics of the present invention in which continuous supply of (1) is made, the position of the exhausted reel 2a and the reel 2b to be connected are changed alternately.
  • a and b added to the rear end of the reference numerals to indicate the configuration and operation direction of the electrode plate end joint device for automatic replacement of the electrode plate material supply reel are for replacing the reel (2) according to the exhaustion of the electrode plate material (1)
  • the mounted positions of the electrode plate material cutter 200 and the taping device 300, the directions of which are not distinguished, are not changed.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

La présente invention concerne un dispositif de connexion d'extrémité de plaque d'électrode pour remplacer automatiquement une bobine d'alimentation en matériau de plaque d'électrode et un procédé de connexion d'extrémité de plaque d'électrode l'utilisant, le dispositif comprenant : des transporteurs de préhension disposés de façon à se faire face entre des dispositifs de déroulement des deux côtés et amenant un matériau de plaque d'électrode ayant été déroulé à partir d'une bobine montée sur chacun des dispositifs de déroulement à être disposé verticalement à proximité de la surface de masse; un dispositif de coupe de matériau de plaque d'électrode disposé à proximité d'une partie de connexion du matériau de plaque d'électrode; un transporteur de bande pour transférer la bande coupée à partir du dispositif de coupe de bande et disposer celui-ci pour faire face à la partie de connexion du matériau de plaque d'électrode; une pluralité d'orifices d'adsorption de bande formés sur une surface du transporteur de bande le long d'une direction longitudinale du transporteur de bande et reliés à une pompe à vide; et une unité d'entraînement de transporteur de bande qui permet au transporteur de bande de s'approcher ou de coulisser à l'opposé de la partie de connexion de la plaque d'électrode.
PCT/KR2022/019931 2022-01-10 2022-12-08 Dispositif de connexion d'extrémité de plaque d'électrode pour remplacer automatiquement une bobine d'alimentation en matériau de plaque d'électrode et procédé de connexion d'extrémité de plaque d'électrode l'utilisant Ceased WO2023132495A1 (fr)

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KR1020220003205A KR102477826B1 (ko) 2022-01-10 2022-01-10 전극판 소재 공급 릴의 자동 교체를 위한 전극판 끝단 이음 장치 및 이를 이용한 전극판 끝단 이음 방법
KR10-2022-0003205 2022-01-10

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CN116657400B (zh) * 2023-08-01 2023-09-26 常州市武进广宇花辊机械有限公司 一种无纺布高速分切装置及分切方法
KR102826968B1 (ko) 2023-09-22 2025-06-30 (주)대코 박형 재료간 연결을 위한 고정구 구조

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