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WO2022039411A1 - Dispositif de fabrication d'empilement d'éléments de batterie secondaire - Google Patents

Dispositif de fabrication d'empilement d'éléments de batterie secondaire Download PDF

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Publication number
WO2022039411A1
WO2022039411A1 PCT/KR2021/010031 KR2021010031W WO2022039411A1 WO 2022039411 A1 WO2022039411 A1 WO 2022039411A1 KR 2021010031 W KR2021010031 W KR 2021010031W WO 2022039411 A1 WO2022039411 A1 WO 2022039411A1
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WO
WIPO (PCT)
Prior art keywords
transfer
electrode
grip
unit
frame
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Ceased
Application number
PCT/KR2021/010031
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English (en)
Korean (ko)
Inventor
신창호
박남순
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Individual
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Individual
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Publication date
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Publication of WO2022039411A1 publication Critical patent/WO2022039411A1/fr
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2404—Processes or apparatus for grouping fuel cells
    • 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
    • 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
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to an apparatus for manufacturing a cell stack for a secondary battery, and more particularly, to an apparatus for manufacturing a cell stack for a secondary battery that manufactures a cell stack by alternately stacking a negative plate and a positive plate on a separator continuously supplied on a stage.
  • a chemical cell is a battery composed of a pair of electrode plates called positive and negative plates and an electrolyte, and the amount of energy that can be stored varies depending on the materials constituting the electrode plate and the electrolyte.
  • Chemical batteries have a very slow charging reaction, so they are divided into primary batteries, which are used only for one-time discharge, and secondary batteries, which can be reused through repeated charging and discharging.
  • the secondary battery is being applied to various technical fields throughout the industry due to the advantage that it can be recharged and used repeatedly. For example, it solves air pollution of gasoline and diesel internal combustion engines as well as advanced electronic devices such as wireless mobile devices. It is also attracting attention as an energy source, such as hybrid electric vehicles, which are being proposed as a way to achieve this.
  • Such a secondary battery consists of a positive electrode plate, a separator, and a negative electrode plate being sequentially stacked and dipped in an electrolyte solution.
  • Winding A method of manufacturing in the form of a jelly-roll is widely used, and in the case of a medium or large-sized secondary battery having a higher electric capacity, the negative electrode plate, the positive electrode plate, and the separator are alternately stacked. This is used a lot.
  • Patent Publication No. 10-1956758 discloses a cell stack manufacturing apparatus for secondary batteries manufactured by alternately stacking a negative plate, a positive plate, and a separator is disclosed.
  • the apparatus for manufacturing a cell stack for a secondary battery as described above is a rotating method, and misalignment may occur in the stacking of the positive and negative plates, which must be stacked to match due to the inertia of the rotating tilting table, and thus high-speed operation is not easy, There was a problem that the structure became complicated.
  • the present invention has been proposed in order to solve the problems of the prior art as described above, and the positive and negative plates are aligned in a certain direction by a sensor and moved in a straight line to be stacked, thereby simplifying the structure, and preventing defects in the lamination operation due to inertia.
  • An object of the present invention is to provide an apparatus for manufacturing a cell stack for a secondary battery capable of being prevented and capable of precise high-speed operation.
  • the present invention provides a manufacturing apparatus frame which is a main body, an electrode magazine installed spaced apart from each other in the manufacturing apparatus frame, and a positive electrode plate and a negative electrode plate respectively placed therein, and spaced apart from each other inside the electrode magazine.
  • the alignment part installed in the apparatus frame, the first electrode transfer installed in the manufacturing apparatus frame spaced apart from each other, and transferring the electrode plates placed on each electrode magazine to each alignment unit while reciprocating between each electrode magazine and each alignment unit; , a second electrode transfer that is positioned between the first electrode transfers and installed on the manufacturing apparatus frame spaced apart from each other to transfer the electrode plates placed on each alignment unit to the lamination table unit while reciprocating between each alignment unit and the lamination table unit; , a stacking table part positioned between the alignment parts on both sides and installed in the manufacturing apparatus frame, in which electrode plates transferred from second electrode transfers on both sides are alternately stacked, and a separator supply part supplying a separator to the stacking table part;
  • the first electrode transfer and the second electrode transfer provide an apparatus for manufacturing a cell stack for a secondary battery, characterized in that the electrode plate is transferred while linear motion.
  • the first electrode transfer is guided by the first transfer guide and the first transfer body moves linearly along the first transfer guide in the manufacturing apparatus frame, and the first transfer body is installed movably in the vertical direction to move in the lower part.
  • a first transfer member provided with a first transfer adsorption plate for adsorbing an electrode plate to the first transfer member;
  • Each of the first electrode transfers moves outwardly, so that the first transfer driving means operates from the top of each electrode magazine, and the first transfer member descends to adsorb the electrode plate placed on the electrode magazine, and in the state where the electrode plate is adsorbed, the first The transfer driving means operates so that the first transfer member rises, moves inward, and the first transfer driving means operates on the upper part of each alignment part, so that the first transfer member descends, the suction is released, and the electrode plate is placed on the alignment part. characterized.
  • the second electrode transfer is guided by the second transfer guide and the second transfer body moves linearly along the second transfer guide in the manufacturing apparatus frame, and the second transfer body is installed movably in the vertical direction, and the lower a second transfer member provided with a second transfer suction plate for adsorbing the electrode plate to the substrate; and a second transfer driving means installed on the second transfer body to vertically move the second transfer member;
  • Each of the second electrode transfers moves outwardly, so that the second transfer driving means operates on the upper portion of each alignment unit, and the second transfer member descends to adsorb the electrode plate placed on the alignment unit.
  • the transfer driving means operates to raise the second transfer member, and moves inward
  • the second transfer driving means operates on the upper part of the stacking table to lower the second transfer member and release the suction, so that the electrode plate is placed on the stacking table.
  • the second electrode transfer is provided with a rotatably provided transfer roller on the inside, and as the second electrode transfer moves inward, the transfer roller pushes the separator to the opposite side. It is characterized in that the electrode plate can be stacked on the upper part of the separator while the electrode plate adsorbed on the suction plate of the second transfer body is released by being positioned above the separator stacked together with the electrode plate thereon.
  • the lamination table part includes a lamination table frame installed in the manufacturing apparatus frame, a lamination electrode electrode in which a plurality of electrode plates are laminated together with a separator on the lamination table frame, guided by a table main guide, and installed to be movable in the vertical direction on the lamination table frame.
  • a stacking table body having teeth, a stacking table driving part for moving the stacking table body in a vertical direction, a grip frame provided on the stacking table body, are provided on both sides of the grip frame in the longitudinal direction and are guided by grip guide guides to each other a stacked grip portion installed to reciprocate in opposite directions, and a grip portion driving portion for reciprocating the stacked grip portions in opposite directions;
  • the laminated grip part is guided by a grip part guide and reciprocates in the opposite direction by the grip part driving part; and a laminated grip operation unit for vertically moving the laminated grip;
  • the laminated grip unit is moved forward in the direction opposite to each other by the driving of the grip part driving unit, so that the laminated grip is positioned on the upper part of the laminated electrode placement part, and the laminated grip is lowered by the operation of the laminated grip operation part, so that the separator and the electrode are placed on the laminated electrode placement part. It is characterized in that it is gripped between the stacked grip and the stacked electrode mounting portion by pressing downward.
  • the stacking table driving unit includes a stacking table driving motor provided in the stacking table frame, a stacking table screw connected to the stacking table frame to rotate, and a stacking table ball screw coupled to the stacking table body and meshing with the stacking table screw.
  • the lamination table driving unit operates to match the separator and the electrode plate placed on the lamination electrode placement unit, so that the lamination table body descends.
  • the grip frame is guided by the grip frame guide and driven by the grip frame driving unit so as to be installed movably in the vertical direction on the lamination table body;
  • the grip frame driving unit includes a grip frame driving motor installed on the laminated table body, a grip frame ball screw rotated by the grip frame driving motor, and a ball screw installed on the grip frame and meshing with the grip frame ball screw. characterized.
  • the device for manufacturing a cell stack for a secondary battery according to the present invention has a simple structure because the cell stack lamination operation is performed in a linear motion, and accordingly, the weight of the device is reduced, so that defects in the lamination operation due to inertia are prevented and a precise high-speed operation is possible. there is.
  • FIG. 1 is a schematic front view showing an apparatus for manufacturing a cell stack for a secondary battery of the present invention
  • FIG. 2 is a perspective view showing an electrode magazine provided in the apparatus for manufacturing a cell stack for a secondary battery of the present invention
  • FIG. 3 is a perspective view showing a first electrode transfer provided in the apparatus for manufacturing a cell stack for a secondary battery of the present invention
  • FIG. 4 is a perspective view showing a second electrode transfer provided in the apparatus for manufacturing a cell stack for a secondary battery of the present invention
  • FIG. 5 is a perspective view illustrating an alignment unit provided in the apparatus for manufacturing a cell stack for a secondary battery of the present invention
  • FIG. 6 is a perspective view illustrating a state in which the alignment member of the alignment unit shown in FIG. 5 is removed;
  • FIG. 7 is a perspective view showing a stacking table unit provided in the apparatus for manufacturing a cell stack for a secondary battery of the present invention.
  • FIG. 8 is a structural diagram schematically illustrating a lamination process of the apparatus for manufacturing a cell stack for a secondary battery of the present invention.
  • FIG. 1 is a schematic front view showing an apparatus for manufacturing a cell stack for a secondary battery of the present invention
  • FIG. 2 is a perspective view showing an electrode magazine provided in the apparatus for manufacturing a cell stack for a secondary battery of the present invention
  • FIG. 3 is for a secondary battery of the present invention
  • It is a perspective view showing the first electrode transfer provided in the cell stack manufacturing apparatus
  • Figure 4 is a perspective view showing the second electrode transfer provided in the cell stack manufacturing apparatus for a secondary battery of the present invention
  • Figure 5 is for a secondary battery of the present invention
  • FIG. 6 is a perspective view showing a state in which the alignment member of the alignment unit shown in FIG. 5 is removed
  • FIG. 7 is an apparatus for manufacturing a cell stack for a secondary battery according to the present invention It is a perspective view showing a stacking table unit provided in the , and FIG. 8 is a structural diagram schematically illustrating a stacking process of the apparatus for manufacturing a cell stack for a secondary battery of the present invention.
  • the side facing the stacking table unit 160 in the electrode magazines 120 on both sides is “inward or inward”, and the side facing the electrode magazines 120 on both sides in the stacking table unit 160 in the horizontal direction. is described as “outward or outward.”
  • the left and right direction is “horizontal direction”, and the direction indicated by “A” in FIG. 3 , which is a direction perpendicular to the paper of FIG. 1 , is “front and back direction”, and the first The direction in which the transfer body installation part 132-1 protrudes is described as “front”, and the opposite direction is described as "rear”.
  • an apparatus 100 for manufacturing a cell stack for a secondary battery includes a manufacturing apparatus frame 101 , an electrode magazine 120 , a first electrode transfer 130 , and a second electrode transfer 150 , an alignment unit 140 , a stacking table unit 160 , and a separator supply unit 170 are included.
  • the manufacturing apparatus frame 101 becomes the main body of the cell stack manufacturing apparatus 100 for a secondary battery according to the present invention.
  • An electrode magazine 120 , a first electrode transfer 130 , a second electrode transfer 150 , an aligning unit 140 , a stacking table unit 160 , and a separator supply unit 170 are installed in the manufacturing apparatus frame 101 . do.
  • the electrode magazine 120 , the first electrode transfer 130 , the second electrode transfer 150 , and the aligning unit 140 are provided two each, and are respectively installed on both sides of the stacking table unit 160 in the horizontal direction. .
  • An electrode plate, which is a negative electrode, is transferred from one side in a horizontal direction around the stacking table part 160
  • an electrode plate that is a positive electrode is transferred from the other side in a horizontal direction around the stacking table part 160 .
  • the electrode magazine 120 is installed to be spaced apart from each other in the manufacturing apparatus frame 101 .
  • the electrode magazine 120 is installed to be spaced apart from each other in the horizontal direction in the manufacturing apparatus frame 101 .
  • a positive electrode plate and a negative electrode plate are respectively stacked on the electrode magazine 120 .
  • the electrode magazine 120 includes a magazine body 121 , a magazine transfer unit 125 , a magazine transfer unit 123 , an electrode stacking unit 129 , and an electrode plate upward adjustment. part 127 is included.
  • the magazine body 121 extends in the front-rear direction and is installed in the manufacturing apparatus frame 101 .
  • the magazine body 121 has a size in which a plurality of electrode lamination parts 129 are arranged in a front-rear direction.
  • the magazine body 121 includes a plate-shaped bottom part extending in the front-rear direction, and side plate parts extending upwardly bent from both sides in the horizontal direction of the bottom part.
  • a plurality of seating members 124 on which the electrode stacked parts 129 are seated are spaced apart from each other and provided in plurality.
  • the seating member 124 is plate-shaped, and is made of a material such as metal, plastic, silicone, or rubber.
  • the magazine transfer unit 125 is provided at the bottom of the magazine body 121 .
  • the magazine transfer unit 125 is provided in the front-rear direction and includes a cylinder, a ball screw, and a ball screw.
  • the magazine transfer unit 125 is further provided with a magazine body guide 125-1 parallel to the magazine transfer unit 125 on one side of the magazine transfer unit 125 .
  • the magazine transfer unit 125 serves to reciprocate the magazine transfer unit 123 in the front-rear direction.
  • the magazine moving part 123 is provided to be upwardly spaced apart from the bottom of the magazine body 121 .
  • the magazine moving part 123 is provided to extend in the front-rear direction.
  • the magazine transfer unit 123 is seated on the magazine transfer unit 125 and moves according to the driving of the magazine transfer unit 125, and is guided by the magazine body guide 125-1 to move in the front-rear direction. is installed
  • One or more electrode lamination parts 129 are provided and are provided to be spaced apart from each other in the front-rear direction.
  • the electrode lamination part 129 is mounted on the magazine moving part 123 to be detachably provided.
  • the electrode lamination part 129 is seated on the magazine transfer unit 123 , is transported in the front-rear direction by the magazine transfer unit 125 , and is seated on the seating member 124 .
  • the electrode stacking unit 129 includes a magazine stacked lower plate 129-1, and an electrode plate is stacked therein.
  • the magazine laminated lower plate 129-1 is formed in a form in which the center is perforated.
  • the electrode plate upward adjustment part 127 serves to move the electrode plate stacked on the electrode stacking part 129 upward.
  • the electrode plate upward adjustment unit 127 is composed of an electrode plate upward adjustment motor 127-1 installed in the magazine body 121, a belt and a pulley, and transmits the power of the electrode plate upward adjustment motor 127-1.
  • the electrode plate upward adjustment drive transmission unit 127-3, and the electrode plate upward adjustment which is rotated by power transmitted from the electrode plate upward adjustment motor 127-1 through the electrode plate upward adjustment drive transmission unit 127-3
  • An electrode plate upward adjustment plate 127-2 is installed at the upper end of the electrode plate upward adjustment rod 127-9 to raise the electrode plate through a hole formed in the magazine stacked lower plate 129-1.
  • the electrode plate upward adjustment motor 127-1 rotates and transports the electrode plate upward adjustment unit 127.
  • the electrode plate upward adjustment plate 127-2 By raising the electrode plate upward adjustment plate 127-2 as much as the thickness of the electrode plate, the height of the upper electrode plate is maintained constant.
  • the magazine transfer unit 125 When all of the electrode plates of the electrode stacking unit 129 located in the front-rear direction center of the magazine body 121 are moved by the first electrode transfer 130 , the magazine transfer unit 125 is operated by the magazine transfer unit 123 . ) moves in the front-rear direction and the other electrode lamination part 129 moves to the center in the front-rear direction, so that continuous work is possible without interruption of work.
  • the electrode magazine 120 is further provided with a magazine blower 122 provided at the center of the magazine body 121 in the front-rear direction.
  • the magazine blower 122 is provided in the blower frame 122-1 coupled to the center of the magazine body 121 in the front-rear direction.
  • the magazine blower 122 is installed in a direction facing each other on both sides of the blower frame 122-1 in the front-rear direction, and air is sprayed in the direction facing each other.
  • the first electrode transfer 130 is installed in the manufacturing apparatus frame 101 spaced apart from each other in the horizontal direction.
  • the first electrode transfer 130 is installed between the electrode magazine 120 located on both sides in the horizontal direction with respect to the stacking table unit 160 and each alignment unit 140 .
  • the first electrode transfer 130 serves to transfer the electrode plates placed on each electrode magazine 120 to each alignment unit 140 while reciprocating in a straight line between the electrode magazine 120 and each alignment unit 140 .
  • the first electrode transfer 130 includes a first electrode transfer driver (not shown), a first transfer body 132 , a first transfer sub motor 135 , and a first It comprises a transfer member 131 and a first transfer driving means 137 .
  • the first electrode transfer driver (not shown) is provided on both sides of the manufacturing apparatus frame 101 .
  • the first electrode transfer driving unit may be a cylinder, and may also be a ball screw and a ball screw.
  • the first electrode transfer driving unit is provided as a cylinder, cylinders are installed on both sides of the manufacturing apparatus frame 101 , and the ends of the cylinder rods are coupled to the first transfer body 132 to form the first electrode transfer units on both sides by the operation of the cylinders.
  • the single electrode transfer 130 may reciprocate between the electrode magazine 120 and the alignment unit 140 .
  • the first electrode transfer driving unit is provided with a motor for driving the first electrode transfer 130 on both sides of the manufacturing apparatus frame 101 , and a ball screw is installed in the first transfer body 132 and rotated by driving the motor.
  • the first electrode transfer 130 may reciprocate between the electrode magazine 120 and the aligner 140 by driving the motor by meshing the ball screw with the ball screw.
  • the first transfer body 132 is opened backward and upward to form a hollow body having a 'C' cross section, and may be formed in various shapes such as a hexahedron or a plate shape.
  • the first transfer body 132 is slidably provided on the first transfer guide 133 provided in the horizontal direction of the manufacturing apparatus frame 101 .
  • the first transfer body 132 is guided by the first transfer guide 133 to linearly reciprocate along the first transfer guide 133 in the manufacturing apparatus frame 101 .
  • the first transfer body 132 is provided with a plate-shaped first transfer body installation portion 132-1 protruding forward. A guide hole penetrating in the vertical direction is formed in the first transfer body installation part 132-1.
  • the first transfer sub-motor 135 is configured to move the first transfer body installation part 132-1 up and down, and separately from the first transfer body 132, a first transfer body installation part 132-1. It is installed to be movable up and down by a linear guide, and the first transfer sub-motor 135 operates to allow the first transfer body installation part 132-1 to move up and down.
  • first transfer sub-motor 135 it is possible to use the first transfer sub-motor 135 as a motor, and it is possible to combine a ball screw and a ball screw, and it is also possible to configure the first transfer sub-motor 135 as a cylinder acting by pneumatic or the like.
  • the first transfer member 131 is installed on the first transfer body 132 to be movable in the vertical direction.
  • the first transfer member 131 includes a first transfer guide bar 131-3, a first transfer connection part 131-7, a first transfer member body 131-1, and a first transfer suction plate 131 . -5).
  • the first transfer guide bar 131-3 is formed in the form of a rod extending in the vertical direction and is slidably inserted into the guide hole formed in the first transfer body installation part 132-1.
  • the first transfer connection part 131-7 is provided at the upper end of the first transfer guide bar 131-3, and when the first transfer guide bar 131-3 moves downward, the first transfer body installation part 132- 1) is provided.
  • the first transfer member body 131-1 is provided in a plate shape extending in the front-rear direction.
  • the first transfer member body 131-1 is provided with a rear side coupled to the lower end of the first transfer guide bar 131-3.
  • the first transfer member body 131-1 is guided by the first transfer guide bar 131-3 and is installed to be movable in the vertical direction.
  • the first transfer suction plate 131 - 5 is provided under the first transfer member main body 131-1 .
  • the first transfer adsorption plate 131 - 5 adsorbs the electrode plate from the electrode lamination part 129 of the electrode magazine 120 .
  • the first transfer driving means 137 is installed on the first transfer body 132 to move the first transfer member 131 up and down.
  • the first transfer driving means 137 is installed in the first transfer body installation part 132-1 of the first transfer body 132, and the rod is connected to the first transfer connection part 131-7 by operation.
  • the first transfer member 131 is moved up and down.
  • the first transfer driving means 137 is provided with a pneumatic or hydraulic cylinder.
  • the first electrode transfer 130 moves outward and the first transfer driving means 137 operates on the top of the electrode magazine 120 to operate the first transfer member. (131) descends to adsorb the electrode plate placed on the electrode magazine 120, and in the state in which the electrode plate is adsorbed, the first transfer driving means 137 operates to raise the first transfer member 131, and moves inward Accordingly, the first transfer driving means 137 is operated from the upper portion of the aligning unit 140 to lower the first transfer member 131 , the suction is released, and the electrode plate is placed on the aligning unit 140 .
  • the electrode plate is placed on the alignment part 140, the first transfer driving means 137 is operated to raise the first transfer member 131, and move outwardly to the upper part of the electrode magazine 120, and again to the first The process of operating the transfer driving means 137 is repeated, and the electrode plate placed on the electrode magazine 120 is transferred to the alignment unit 140 .
  • the second electrode transfer 150 is installed in the manufacturing apparatus frame 101 spaced apart from each other in the horizontal direction.
  • the second electrode transfer 150 is installed between the alignment part 140 and the stacking table part 160 located on both sides in the horizontal direction with respect to the stacking table part 160 .
  • the second electrode transfer 150 moves in a straight line between each alignment unit 140 and the stacking table unit 160 located on both sides in the horizontal direction to transfer the electrode plates placed on each alignment unit 140 to the stacking table part ( 160) to transfer it.
  • the second electrode transfer 150 includes a second electrode transfer driver (not shown), a second transfer body 152 , a second transfer sub-motor 155 , and a second It comprises a transfer member 151 , a second transfer driving means 157 , and a transfer roller 159 .
  • the second electrode transfer driver (not shown) is provided on both sides of the manufacturing apparatus frame 101 .
  • the second electrode transfer driving unit may be a cylinder, and may also be a ball screw and a ball screw.
  • the second electrode transfer driving unit When the second electrode transfer driving unit is provided as a cylinder, cylinders are installed on both sides of the manufacturing apparatus frame 101, and the ends of the cylinder rods are coupled to the second transfer body 152, and the second electrode transfer unit is coupled to the second transfer body 152 by the operation of the cylinder.
  • the two-electrode transfer 150 may reciprocate between the alignment unit 140 and the stacking table unit 160 .
  • motors for driving the second electrode transfer 150 are installed on both sides of the manufacturing apparatus frame 101 , and a ball screw is installed in the second transfer body 152 and rotated by driving the motor.
  • the second electrode transfer 150 may reciprocate between the aligning unit 140 and the stacking table unit 160 by driving the motor by meshing the ball screw with the ball screw.
  • the second transfer body 152 is opened backward and upward to form a hollow body having a 'C' cross section, and may be formed in various shapes such as a hexahedron or a plate shape.
  • the second transfer body 152 is slidably provided on the second transfer guide 153 provided in the horizontal direction of the manufacturing apparatus frame 101 .
  • the second transfer body 152 is guided by the second transfer guide 153 to linearly reciprocate along the second transfer guide 153 in the manufacturing apparatus frame 101 .
  • the second transfer body 152 is provided with a plate-shaped second transfer body installation portion 152-1 protruding forward. A guide hole penetrating in the vertical direction is formed in the second transfer body installation part 152-1.
  • the second transfer sub-motor 155 is configured to move the second transfer body installation part 152-1 up and down, and a second transfer body installation part 152-1 separately from the second transfer body 152. It is installed to be movable up and down by a linear guide, and the second transfer sub-motor 155 is operated to allow the second transfer body installation unit 152-1 to move up and down.
  • the second transfer sub-motor 155 it is possible to use the second transfer sub-motor 155 as a motor, and to combine a ball screw and a ball screw, and it is also possible to configure the second transfer sub-motor 155 as a cylinder acting by pneumatic or the like.
  • the second transfer member 151 is installed on the second transfer body 152 to be movable in the vertical direction.
  • the second transfer member 151 includes a second transfer guide bar 151-3, a second transfer connection part 151-7, a second transfer member body 151-1, and a second transfer suction plate 151. -5).
  • the second transfer guide bar 151-3 is formed in the form of a rod extending in the vertical direction, and is slidably inserted into the guide hole formed in the second transfer body installation part 152-1.
  • the second transfer connection part 151-7 is provided at the upper end of the second transfer guide bar 151-3, and when the second transfer guide bar 151-3 moves downward, the second transfer body installation part 152- 1) is provided.
  • the second transfer member body 151-1 is provided in a plate shape extending in the front-rear direction.
  • the second transfer member body 151-1 is provided with a rear side coupled to the lower end of the second transfer guide bar 151-3.
  • the second transfer member body 151-1 is guided by the second transfer guide bar 151-3 and is installed to be movable in the vertical direction.
  • the second transfer suction plate 151-5 is provided under the second transfer member body 151-1.
  • the second transfer adsorption plate 151 - 5 adsorbs the electrode plate placed on the alignment unit 140 .
  • the second transfer driving means 157 is installed on the second transfer body 152 to move the second transfer member 151 up and down.
  • the second transfer driving means 157 is installed in the second transfer body installation part 152-1 of the second transfer body 152, and the rod is connected to the second transfer connection part 151-7 by operation.
  • the second transfer member 151 is moved up and down.
  • the second transfer driving means 157 is provided with a pneumatic or hydraulic cylinder.
  • the second electrode transfer 150 moves outwardly, and the second transfer driving means 157 operates on the upper part of the alignment unit 140 to operate the second transfer unit.
  • the member 151 descends to adsorb the electrode plate placed on the aligning unit 140, and in the state in which the electrode plate is adsorbed, the second transfer driving means 157 operates to raise the second transfer member 151 and inward.
  • the second transfer driving means 157 is operated from the upper part of the stacking table part 160 to lower the second transfer member 151 and the suction is released, so that the electrode plate is placed on the stacking table part 160 .
  • the electrode plate is placed on the stacking table part 160, the second transfer driving means 157 is operated to raise the second transfer member 151, and move outward to the upper part of the alignment part 140, and again 2
  • the process of operating the transfer driving means 157 is repeated, and the electrode plates placed on the alignment unit 140 are transferred to the stacking table unit 160 .
  • the second electrode transfers 150 on both sides in the horizontal direction alternately transfer the electrode plates of each alignment unit 140 to the stacking table unit 160 .
  • the transfer roller 159 is provided inside the second transfer member 151 .
  • the transfer roller 159 is provided connected to the second transfer body 152 by a roller bracket 159-1.
  • the transfer roller 159 is provided with a rotation shaft extending in the front-rear direction to the roller bracket 159-1, and is rotatably provided about the rotation shaft.
  • the transfer roller 159 pushes the separator S to the opposite side while the second electrode transfer 150 moves inward, so that the second transfer member 151 outside the transfer roller 159 is placed on the upper portion of the stacking table unit 160 . It serves to position the upper part of the separator (S) stacked together with the electrode plate.
  • the electrode plate adsorbed to the suction plate 151 - 5 of the second transfer member 151 is desorbed from the top of the stacking table unit 160 , and the electrode plate is stacked on the separator S.
  • the alignment part 140 is installed in the manufacturing apparatus frame 101 .
  • the alignment parts 140 are provided inside the electrode magazine 120 to be spaced apart from each other.
  • the alignment unit 140 includes an alignment base 141, an alignment member 141-1, three alignment driving units 140-1, and one It is made to include an alignment driving support (140-2).
  • the alignment base 141 has a rectangular plate shape and is installed on the manufacturing apparatus frame 101 .
  • the alignment member 141-1 is provided in a rectangular plate shape.
  • the alignment member 141-1 is installed to be upwardly spaced apart from the alignment base 141 .
  • An electrode seating part 144 on which an electrode plate is mounted is provided inside the alignment member 141-1.
  • a plurality of holes are formed through the electrode seating portion 144 in the vertical direction.
  • the electrode seating part 144 is a suction plate, and has a structure capable of adsorbing the electrode plate placed thereon while air is sucked in.
  • a sensing gap 141-1a is formed between the alignment member 141-1 and the electrode seating part 144 and the alignment members 141-1 located at two diagonal corners of the electrode seating part 144.
  • Alignment sensing means 142 for image sensing the edge of the electrode plate seated on the electrode seating portion 144 is installed under the sensing gap 141-1a.
  • the three alignment driving units 140-1 and one alignment driving support unit 140-2 are provided between the alignment base 141 and the alignment member 141-1.
  • the alignment driving unit 140-1 is installed at three corners, and the alignment driving support unit 140-2 is installed at the remaining corners.
  • the alignment driving unit 140-1 includes an alignment driving means 143 and an alignment adjusting member 147.
  • the alignment driving means 143 includes an alignment driving motor 143-1 installed on the alignment base 141 and an alignment ball screw 143-3 coupled to the alignment driving motor 143-1 and rotating. ), an alignment driving member 145 having an alignment ball screw 143-5, and an alignment guide 143-7 provided in parallel with the rotation shaft of the alignment driving motor 143-1. .
  • the alignment driving member 145 is provided in a plate shape and moves in a straight line by driving the alignment driving motor 143-1.
  • the alignment driving member 145 is reciprocally moved along the alignment guide 143-7 when the alignment driving motor 143-1 rotates.
  • the alignment adjustment member 147 is provided in a plate shape.
  • the alignment adjustment member 147 is provided on the alignment drive member 145 and is guided by the adjustment member guide 147 - 1 and linearly moves in a direction perpendicular to the alignment drive member 145 .
  • An alignment guide 149 having a circular cross section is provided on the alignment adjusting member 147 .
  • the alignment guide part 149 is rotatably inserted into the alignment guide hole 141-1b formed in three of the four corners of the alignment member 141-1.
  • the alignment driving support part 140-2 includes an alignment support driving member 145a and an alignment support adjusting member 147a.
  • the alignment support driving member 145a is provided in a plate shape and reciprocates along the support driving member guide 143-7a.
  • the alignment support driving member 145a is a support driving member guide 143 according to the movement of the alignment member 141-1 by driving the alignment driving motor 143-1 of the alignment driving unit 140-1. It reciprocates along -7a).
  • the alignment support adjustment member 147a is provided in a plate shape.
  • the alignment support adjustment member 147a is provided on the alignment support drive member 145a, is guided by the support adjustment guide 147-1a, and moves in a straight line perpendicular to the alignment support drive member 145a.
  • a driving support guide 149a having a circular cross section is provided on the upper portion of the alignment support adjusting member 147a.
  • the driving support guide part 149a is provided rotatably inserted into one of the four alignment guide holes 141-1b formed in the alignment member 141-1.
  • the alignment adjustment member 147 rotatably inserted into the alignment guide hole 141-1b moves in a direction perpendicular to the movement direction of the alignment driving member 145 . As the position of the alignment member 141-1 is adjusted.
  • the stacking table part 160 is installed between the alignment parts 140 on both sides in the horizontal direction and installed in the manufacturing apparatus frame 101 .
  • the electrode plates transferred from the second electrode transfers 150 on both sides are alternately stacked on the stacking table unit 160 .
  • the lamination table unit 160 includes a lamination table frame 161, a lamination table body 163, a lamination table driving unit 162, a grip frame 164, and a lamination grip unit ( 167), a grip part driving unit 165, and a grip frame driving unit 166 are included.
  • the laminated table frame 161 is installed on the manufacturing apparatus frame 101 .
  • the laminated table frame 161 is provided with a plate-shaped lower frame plate and a plate-shaped frame side plate extending upward from the lower frame plate and facing each other.
  • the stacking table body 163 is provided on the stacking table frame 161 .
  • the lamination table body 163 is provided between the frame side plates of the lamination table frame 161 .
  • the lamination table body 163 extends upwardly past the upper end of the frame side plate.
  • the lamination table body 163 is guided by the table body guide 1625 of the lamination table driving unit 162 and is installed in the lamination table frame 161 to be movable in the vertical direction.
  • a stacking electrode mounting part 163-2 in which a plurality of electrode plates are stacked together with the separator S is provided on the stacking table main body 163 .
  • the stacking table driving unit 162 serves to move the stacking table body 163 in the vertical direction.
  • the stacking table driving unit 162 includes a stacking table driving motor 1621 provided in the stacking table frame 161, a stacking table screw 1623 connected to the stacking table driving motor 1621 to rotate, and the stacking table. It includes a lamination table ball screw coupled to the main body 163 and meshing with the lamination table screw 1623 , and a table body guide 1625 for guiding the lamination table main body 163 in the vertical direction.
  • the grip frame 164 is provided on the stacking table body 163 .
  • the grip frame 164 is provided to be upwardly spaced apart from the upper end of the frame side plate of the laminated table frame 161 .
  • the grip frame 164 is provided to extend in the front-rear direction to the stacking table body 163 .
  • the grip frame 164 is driven by the grip frame driving unit 166 and is installed to be movable in the vertical direction on the stacking table body 163 along the grip frame guide 1667 of the grip frame driving unit 166 .
  • the grip frame driving unit 166 drives the grip frame 164 to be movable in the vertical direction.
  • the grip frame driving unit 166 includes a grip frame driving motor 1661 installed on the laminated table body 163, a grip frame ball screw 1665 rotated by the grip frame driving motor 1661, and the grip frame ball.
  • a grip frame drive transmission unit 1663 that transmits the power of the grip frame drive motor 1661 with a screw 1665, a ball screw installed in the grip frame 164 and meshing with the grip frame ball screw 1665; and a grip frame guide 1667 for guiding the grip frame 164 to be movable in the vertical direction.
  • the stacked grip parts 167 are provided on both sides of the grip frame 164 in the longitudinal direction.
  • the stacked grip part 167 is guided by a grip part guide 1657 to be reciprocally installed in opposite directions.
  • the laminated grip part 167 is guided by a grip part guide 1657 and reciprocates in a direction facing each other by the grip part driving part 165. It comprises a laminated grip 1675 that is movably provided, and a laminated grip operation unit 1673 that is installed on the laminated grip part main body 1671 to vertically move the laminated grip 1675 .
  • the grip part driving part 165 reciprocates the stacked grip part 167 in a direction facing each other.
  • the grip part driving part 165 is coupled to a grip part driving motor 1651 installed in the grip frame 164, a grip part ball screw 1653 rotated by the grip part driving motor 1651, and a laminated grip part main body 1671. It is provided and includes a ball screw meshing with the grip part ball screw 1653.
  • the grip part driving part 165 rotates the grip part ball screw 1653 by the operation of the grip part driving motor 1651 so that the stacked grip part main body 1671 moves forward and backward in a direction facing each other.
  • the stacked grip part 167 advances in a direction in which the stacked grip part main body 1671 faces each other by driving the grip part driving part 165, so that the stacked grips 1675 are stacked. It is located above the electrode mounting unit 163-2, and the laminated grip 1675 is lowered by the operation of the laminated grip operation unit 1673, so that the separator S and the electrode plate are placed on the laminated electrode mounting unit 163-2. to be gripped between the stacked grip 1675 and the stacked electrode mounting portion 163-2 by pressing downward.
  • the laminated grip unit main body 1671 on both sides provided in the front-rear direction reciprocates in a direction facing each other (the “B” direction in FIG. 7 ), and second electrode transfers located on both sides of the laminated table unit 160 in the transverse direction.
  • Reference numeral 150 reciprocates in the direction “A” of FIG. 7 .
  • the lamination table main body 163 is aligned with the electrode plate and the separator S placed on the lamination electrode mounting unit 163-2, and the lamination table driving unit 162 operates to lower the lamination table main body 163. As shown in FIG. Accordingly, the maximum height at which the separator S and the electrode plate are stacked becomes constant.
  • the separator supply unit 170 is installed in the manufacturing apparatus frame 101 .
  • the separator supply unit 170 supplies the separator S to the stacking table unit 160 .
  • the separator supply unit 170 is provided with a forward separator unwinding unit 171 and a separator supply roller 173 .
  • the separator unwinding part 171 is formed in a bar shape and is provided to protrude forward. A separator S wound in a roll shape is inserted into the separator unwinding part 171 .
  • the separator supply roller 173 is spaced apart from the separator unwinding part 171 and is provided to be spaced apart from the stacking table part 160 upward.
  • the separator supply roller 173 is formed in a rod shape and is provided to protrude forward.
  • the separator supply rollers 173 are two and are provided side by side.
  • the separator S provided in the separator unwinding part 171 is unwound, and is supplied downward between the two separator supply rollers 173 to be supplied to the stacking electrode mounting part 163 - 2 .
  • the right side is the negative electrode plate (P1) and the left side is the positive electrode plate (P2), and "a" is added to the configuration of the negative electrode plate P1 side, and the positive electrode
  • the configuration on the side of the plate P2 will be described by adding "b”.
  • the separator (S) is supplied to the stacked electrode mounting portion 163-2 through the separator supply roller 173, and an end portion of the stacked grip on the negative side of one side (in the following description, it will be described as gripped first in “cathode”) It is gripped between the stacked electrode mounting portions 163 - 2 by reference numeral 1675 .
  • the transfer roller 159a of the second electrode transfer 150 pushes the separator S, and the stacked electrode mounting portion 163 -2), and when the second separator adsorption plate 151-5a is positioned in the stacked electrode mounting portion 163-2 and the adsorption is released, the cathode electrode plate P1 is stacked on the separator S.
  • the stacked grip 1675 on the anode side advances to grip the separator-cathode electrode plate-separator layer, and is attached to the anode-side second separator adsorption plate 151-5b.
  • the transfer roller 159b of the second separator 150 is moved toward the stacked electrode mounting portion 163-2 while pushing the separator S, and the second separator adsorption plate 151- 5b) is located in the stacked electrode mounting portion 163-2 and the adsorption is released, and the positive electrode plate P2 is stacked on the upper separator S.
  • the stacked grip 1675 on the cathode side releases gripping, retreats, and advances again to grip the separator-cathode electrode plate-separator-positive electrode plate-separator and negative electrode
  • the transfer roller 159a of the second electrode transfer 150 pushes the separator S while the stacked electrode mounting part 163- 2), when the second separator adsorption plate 151-5a is positioned on the stacked electrode mounting portion 163-2 and the adsorption is released, the cathode electrode plate P2 is stacked on the upper separator S.
  • the positive electrode plate P2 and the negative electrode plate P2 are alternately stacked between the separators S.
  • the stacking table driving unit 162 is operated to lower the stacking table body 163 while maintaining a constant height of the separators (S) to be stacked, and the stacking process is performed.
  • the cell stack manufacturing apparatus for a secondary battery since the cell stack lamination operation is performed in a linear motion, the structure is simplified, and precise high-speed operation is possible.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

La présente invention concerne un dispositif de fabrication d'un empilement d'éléments de batterie secondaire, comprenant : un cadre de dispositif de fabrication servant de corps principal ; des magasins d'électrodes qui sont prévus pour être espacés les uns des autres dans le cadre de dispositif de fabrication, et dans lesquels une plaque d'électrode de cathode et une plaque d'électrode d'anode sont empilées, respectivement ; des unités d'alignement disposées dans le cadre de dispositif de fabrication pour être espacées l'une de l'autre à l'intérieur des magasins d'électrodes ; des premiers transferts d'électrode qui sont prévus pour être espacés l'un de l'autre dans le cadre de dispositif de fabrication, et qui se déplacent en va-et-vient entre les magasins d'électrodes et les unités d'alignement pour transférer les plaques d'électrodes empilées sur les magasins d'électrodes vers les unités d'alignement ; des seconds transferts d'électrode qui sont positionnés entre les premiers transferts d'électrode et prévus pour être espacés l'un de l'autre dans le cadre de dispositif de fabrication, et qui transfèrent les plaques d'électrode empilées sur les unités d'alignement à une unité de table d'empilement tout en se déplaçant en va-et-vient entre les unités d'alignement et l'unité de table d'empilement ; l'unité de table d'empilement qui est positionnée entre des unités d'alignement des deux côtés et disposée dans le cadre de dispositif de fabrication, et sur laquelle des plaques d'électrode transférées à partir des seconds transferts d'électrode sur les deux côtés sont empilées en alternance ; et une unité d'alimentation de séparateur pour fournir un séparateur à l'unité de table d'empilement, les premiers transferts d'électrode et les seconds transferts d'électrode transférant le transfert des plaques d'électrode tout en se déplaçant de façon linéaire.
PCT/KR2021/010031 2020-08-18 2021-08-02 Dispositif de fabrication d'empilement d'éléments de batterie secondaire Ceased WO2022039411A1 (fr)

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KR1020200103090A KR102483517B1 (ko) 2020-08-18 2020-08-18 이차 전지용 셀 스택 제조 장치

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KR102755489B1 (ko) * 2022-03-17 2025-01-21 주식회사 디에이테크놀로지 이차전지의 스윙형 셀 스택 제조장치
KR102754557B1 (ko) * 2022-05-23 2025-01-13 김연화 이차 전지용 셀 스택 제조 장치용 이동그립부
CN115241518B (zh) * 2022-09-19 2022-12-20 佛山市天劲新能源科技有限公司 一种电芯模组堆叠装置
KR102614582B1 (ko) * 2023-11-24 2023-12-18 주식회사 노바테크놀러지스 셀 스택 제조장치의 리튬음극시트 공급유닛
KR20250131114A (ko) * 2024-02-26 2025-09-02 주식회사 엘지에너지솔루션 전극 조립체의 제작 장치 및 전극 조립체의 제작 방법

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WO2024169592A1 (fr) * 2023-02-15 2024-08-22 柯马(上海)工程有限公司 Dispositif d'empilement à grande vitesse destiné à assembler des composants plats d'un dispositif électrique

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