WO2024005622A1 - Unit cell transfer system - Google Patents

Unit cell transfer system Download PDF

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Publication number
WO2024005622A1
WO2024005622A1 PCT/KR2023/095026 KR2023095026W WO2024005622A1 WO 2024005622 A1 WO2024005622 A1 WO 2024005622A1 KR 2023095026 W KR2023095026 W KR 2023095026W WO 2024005622 A1 WO2024005622 A1 WO 2024005622A1
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WO
WIPO (PCT)
Prior art keywords
unit
unit cell
adsorption
vacuum
cell
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Application number
PCT/KR2023/095026
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French (fr)
Korean (ko)
Inventor
배진혁
Original Assignee
주식회사 엘지에너지솔루션
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Publication of WO2024005622A1 publication Critical patent/WO2024005622A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • B65H29/241—Suction devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/10—Reciprocating or oscillating grippers, e.g. suction or gripper tables
    • 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
    • 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
    • H01M10/0404—Machines for assembling batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/513—Modifying electric properties
    • B65H2301/5133—Removing electrostatic charge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/34—Suction grippers
    • B65H2406/341—Suction grippers being oscillated in arcuate paths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • 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
    • 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 a unit cell transport system, and more specifically, to a unit cell transport system that can prevent electrostatic attraction generated on the seating part when the unit cell placed on the seating part is vacuum adsorbed.
  • Pouch-type lithium secondary batteries are flexible, have relatively free shapes, are light in weight, and have excellent safety, so demand is increasing as a power source for portable electronic devices such as mobile phones, camcorders, and laptop computers.
  • a stacking process is performed during the secondary battery manufacturing process.
  • the Lamination & Stacking method is to form a stacked cell by sequentially stacking dozens of mono-cells containing an anode, a cathode, and a separator between the anode and the cathode, and then forming a half cell consisting of the separator and the cathode.
  • This is a manufacturing method that completes one battery cell by stacking cells (half-cells) on a stack cell.
  • Figure 1 is a schematic diagram illustrating the process of adsorbing a unit cell seated on a conventional table.
  • the adsorption unit 20 of the pickup device is in contact with the upper surface of the unit cell 30 placed on the table 10, and applies vacuum pressure to the unit cell 30 to separate the unit cell 30. Absorbs.
  • unit cell 30 includes a mono cell or half cell.
  • part of the unit cell 30 is adsorbed to the adsorption unit 20, and another part of the unit cell 30 is spread apart by electrostatic attraction.
  • the half cell when a half cell among the unit cells is stacked on the top layer of the stack cell, if the half cell is transferred in a state in which it is poorly adsorbed to the adsorption unit 10, the half cell may be damaged during the transfer process. You can.
  • the present invention aims to solve the problem of providing a unit cell transport system that can prevent electrostatic attraction on the seating part by seating the unit cell on an antistatic sheet.
  • a unit cell transport system includes an antistatic sheet, a seating portion provided to seat the unit cell on the antistatic sheet, and a unit cell placed on the seating portion. It includes an adsorption unit provided to vacuum adsorb.
  • the antistatic sheet may include a porous sheet.
  • the antistatic sheet can cancel the electrostatic attraction that occurs in the opposite direction to the suction force pulling the unit cell when vacuum adsorbing the unit cell placed on the seating portion.
  • the antistatic sheet may have a surface resistance of 10 4 ⁇ /to 10 5 ⁇ (measurement method: JIS K 6911).
  • the antistatic sheet may have a porosity of 30% to 40%.
  • the antistatic sheet may have a surface roughness measurement method in the range of 2 ⁇ m to 3 ⁇ m (JIS K 7104).
  • the antistatic sheet may have an air permeability of 1.4sec/100cm 2 to 1.7sec/100cm 2 (measurement method: JIS K 1096).
  • the adsorption unit may be provided to be able to move up and down in a direction closer to or away from the seating unit.
  • the adsorption unit includes a support, a rotary operation unit rotatably provided on the support, an operation bar rotatably provided with the rotation operation unit, and an adsorption unit mounted on the operation bar and adsorbing the unit cell when vacuum pressure is applied. It may include a vacuum adsorption unit provided with a plate.
  • the vacuum suction unit may include a vacuum pressure applicator that is connected to the suction plate and provides vacuum pressure to the suction plate, and a lifting portion that elevates the suction plate up and down.
  • the vacuum adsorption unit lowers the adsorption plate toward the unit cell, and when the adsorption plate makes surface contact with the unit cell, vacuum pressure is applied to the adsorption plate, and the unit cell is adsorbed to the adsorption plate. It may be arranged to raise the adsorption plate.
  • the unit cell transport system may further include a stacking unit in which unit cells are sequentially stacked, and the vacuum adsorption unit transports the adsorbed unit cells to the stacking unit when the adsorption unit vacuum adsorbs the unit cells at the seating unit. It can be arranged to do so.
  • the vacuum adsorption unit may be provided to stack the unit cells adsorbed on the adsorption unit onto the stack cells placed on the stacking unit.
  • the unit cell may be a mono cell or a half cell.
  • the unit cell delivery system related to at least one embodiment of the present invention has the following effects.
  • the adsorption defect of the unit cell to the adsorption unit can be improved, and damage to the unit cell can be prevented when the unit cell is picked up.
  • the electrostatic attraction applied to the seating portion is eliminated, allowing the adsorption portion to vacuum adsorb the unit cell with a lower suction force than before, thereby preventing deformation of the unit cell during adsorption and transportation. You can.
  • Figure 1 is a schematic diagram illustrating the process of adsorbing a unit cell seated on a conventional table.
  • Figure 2 is a perspective view schematically showing a unit cell transport system according to an embodiment of the present invention.
  • Figure 3 is a schematic diagram showing a seating portion and a stacking portion constituting a unit cell transport system according to an embodiment of the present invention.
  • 4 to 6 are schematic diagrams for explaining an operating state of a unit cell transport system according to an embodiment of the present invention.
  • Figure 2 is a perspective view schematically showing the unit cell transport system 100 according to an embodiment of the present invention
  • Figure 3 is a seating part 110 and a stacking part constituting the unit cell transport system according to an embodiment of the present invention.
  • This is a schematic diagram showing (130).
  • Figures 4 to 6 are schematic diagrams for explaining an operating state of a unit cell transport system according to an embodiment of the present invention.
  • the unit cell transport system 100 includes an antistatic sheet 111, a seating portion 110 provided to seat the unit cell on the antistatic sheet 111, and the seating portion ( It includes an adsorption unit 120 provided to vacuum adsorb the unit cell 150 placed on 110).
  • the unit cell may be a mono cell or a half cell.
  • the antistatic sheet 111 may include a porous sheet.
  • the antistatic sheet 111 cancels out the electrostatic attraction that occurs in the opposite direction to the adsorption force pulling the unit cell 150 when vacuum adsorbing the unit cell 150 placed on the seating portion 110. It performs the function it is instructed to do.
  • the antistatic sheet 111 may have a surface resistance of 10 4 ⁇ /to 10 5 ⁇ (measurement method: JIS K 6911), and the antistatic sheet 111 may have a porosity of 30% to 40%.
  • the antistatic sheet 111 may have a surface roughness measurement method in the range of 2 ⁇ m to 3 ⁇ m (JIS K 7104), and the antistatic sheet 111 may have a surface roughness measurement method of 1.4sec/100cm 2 to 1.4sec/100cm 2 It can have an air permeability of 1.7sec/100cm 2 (measurement method: JIS K 1096).
  • the adsorption unit 120 may be provided to be able to move up and down in a direction closer to or away from the seating unit 110 .
  • the adsorption unit 120 includes a support 121, a rotation operation unit 122 rotatably provided on the support 121, and an operation bar 123 rotatably provided together with the rotation operation unit 122. And it may include a vacuum adsorption unit 124 mounted on the operation bar 123 and provided with an adsorption plate 124b that adsorbs the unit cell 150 when vacuum pressure is applied.
  • the vacuum suction unit 124 may include a vacuum pressure applicator 124c that provides vacuum pressure to the suction plate 124b and an elevating portion that raises and lowers the suction plate 124b.
  • the vacuum adsorption unit 124 lowers the adsorption plate 124b toward the unit cell, and when the adsorption plate 124b makes surface contact with the unit cell 150, the adsorption plate 124b Vacuum pressure is applied, and when the unit cell 150 is adsorbed to the adsorption plate 124b, the adsorption plate 124b may be raised.
  • the unit cell transport system 100 may include a stacking part 130 in which unit cells are sequentially stacked, and the vacuum adsorption unit 124 is configured such that the adsorption part 120 is the seating part ( When the unit cell 150 is vacuum adsorbed at 100, arrangements may be made to transport the adsorbed unit cell 150 to the stack unit 130.
  • the vacuum adsorption unit 124 is provided to stack the unit cells 150 adsorbed on the adsorption unit 110 on the stack cells 160 placed on the stacking unit 130. It can be.
  • the unit cell transport system 100 includes a seating part 110, an adsorption part 120, and a stacking part 130.
  • the unit cell 150 is seated on the seating portion 110.
  • the unit cell 150 has a plate-shaped structure.
  • the unit cell 150 may be a mono-cell or half-cell.
  • the seating portion 110 includes a table 112 and an antistatic sheet 111.
  • the antistatic sheet 111 is provided on the upper surface of the table 112. When the unit cell 150 is placed on the table 112, the unit cell 150 is seated on the antistatic sheet 111.
  • the antistatic sheet 111 prevents electrostatic attraction from occurring on the unit cell 150 when the unit cell 150 is vacuum adsorbed. Specifically, the antistatic sheet 111 offsets the electrostatic attraction applied to the seating unit 110 in the opposite direction of the adsorption force during vacuum adsorption of the adsorption unit 120 between the unit cell 150 and the table 112. I order it.
  • the adsorption force is the force with which the adsorption unit 120 pulls the unit cell 150.
  • the antistatic sheet 111 may have a surface resistance ranging from 10 4 ⁇ to 10 5 ⁇ .
  • Surface resistance is a force acting in a parallel direction at the boundary surface of the antistatic sheet and is called frictional resistance.
  • an object with a surface resistance in the range of 10 12 ⁇ to 10 13 ⁇ has the characteristic of slowly attenuating after charging, and an object with a surface resistance in the range of 10 10 ⁇ to 10 12 ⁇ has the characteristic of attenuating immediately after charging, and 10
  • An object with a surface resistance in the range of 6 ⁇ to 10 9 ⁇ has the characteristic of being almost uncharged, and an object with a surface resistance in the range of 10 3 ⁇ to 10 6 ⁇ has the characteristic of not being charged at all.
  • the antistatic sheet 111 has a surface resistance that is not charged at all when contacted with an object, and therefore is not charged when contacted with the unit cell 150.
  • the antistatic sheet 111 has a thickness of 0.2 mm to 0.8 mm.
  • the antistatic sheet 111 has a surface roughness in the range of 2 ⁇ m to 3 ⁇ m, thereby preventing the unit cell 150 from coming into close contact with the antistatic sheet 111.
  • the material (e.g., non-woven fabric, etc.) of the antistatic sheet 111 is not particularly limited, and any material that satisfies the above physical properties can be applied in various ways.
  • the position of the seating unit 110 will be referred to as the first position (P1) and the position of the stacking unit 130 will be referred to as the second position (P2), and an operating state of the unit cell transport system will be described.
  • the adsorption unit 120 is located between the first position (P1) and the second position (P2).
  • Stack cells 160 are stacked on the stack unit 130.
  • the stack cell 160 may have a structure in which a plurality of mono-cells are stacked.
  • the seating unit 110 and the stacking unit 130 may be spaced apart within the rotation range of the adsorption unit 120.
  • the adsorption unit 120 has a structure that can be rotated within a predetermined angle range.
  • the adsorption unit 120 may be provided to vacuum adsorb the unit cell 150 from the seating unit 110 and transport it to the stacking unit 130.
  • the adsorption unit 120 may include a support 121, a rotation operation unit 122, an operation bar 123, and a vacuum adsorption unit 124.
  • the support 121 may be disposed between the seating portion 110 and the stacking portion 130.
  • the rotation operation unit 122 is rotatably mounted on the support 121 and may have a rotation axis. At this time, an operating bar 123 may be mounted on the rotation axis.
  • one end of the operating bar 123 may be mounted on a rotation axis, and the other end may protrude perpendicularly to the direction of the rotation axis of the rotation operation unit 122.
  • the rotation operation unit 122 When the rotation operation unit 122 is operated, the operation bar 123 is rotated along with the rotation axis along the rotation direction of the rotation axis.
  • the vacuum adsorption unit 124 is mounted on the operating bar 123.
  • the vacuum adsorption unit 124 is provided to vacuum adsorb the unit cell 150.
  • the vacuum adsorption unit 124 includes a body 124a, an adsorption plate 124b, a vacuum pressure application part 124c, and an elevating part 124d.
  • the body 124a may be mounted on the other end of the operating bar 123.
  • An adsorption plate 124b is provided on the body 124a in a direction toward the seating portion 110.
  • a vacuum pressure application unit 124c is connected to the adsorption plate 124b.
  • the vacuum pressure applicator 124c provides vacuum pressure to the adsorption plate 124b.
  • the vacuum pressure applicator 124c may be provided to apply vacuum pressure to the suction plate 124b when the suction plate 124b makes surface contact with the unit cell 150.
  • the lifting unit 124d is coupled to the suction plate 124b and is provided to lift the suction plate 124b up and down.
  • the lifting part 124d may include a motor or a cylinder, and when the suction plate 124b is located on the upper part of the seating part 110, the lifting part 124d moves the suction plate 124b into the unit cell 150. ) can be descended toward. Additionally, the lifting unit 124d may raise the adsorption plate 124b when the unit cell 150 is adsorbed to the adsorption plate 124b.
  • the adsorption unit 120 vacuum-adsorbs the unit cell 150 placed on the seating unit 110 at the first position P1. Specifically, referring to FIG. 4, at the first position P1, the adsorption unit 120 descends (F1 direction) toward the unit cell 150 and makes surface contact with the unit cell 150.
  • the adsorption unit 120 applies vacuum pressure to the unit cell 150 to adsorb the unit cell 150.
  • the adsorption unit transports the unit cell 150 while ascending (in the F2 direction) with vacuum pressure applied to the unit cell 150.
  • the adsorption unit 120 is rotated at a preset angle and moved to the second position (P2). At this time, at the second position P2, the adsorption unit 120 releases the vacuum pressure applied to the unit cell 150. Accordingly, the unit cell 150 is separated from the adsorption unit 120 and stacked on top of the stack cell 160 placed on the stack unit 130.
  • an antistatic sheet is provided on the seating portion where the unit cell is placed, to prevent electrostatic attraction generated on the seating portion when the unit cell placed on the seating portion is vacuum adsorbed. can do.

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Abstract

The present invention relates to a unit cell transfer system that can prevent electrostatic attraction from being generated on a seating part during vacuum suction of a unit cell placed on the seating part, wherein the unit cell transfer system according to an embodiment of the present invention comprises an antistatic seat, comprising a seating part arranged such that a unit cell can be seated thereon and a suction part arranged to vacuum-suction the unit cell placed on the seating part.

Description

단위 셀 운반 시스템unit cell transport system
본 발명은 단위 셀 운반 시스템에 관한 것이며, 상세하게는 안착부에 놓인 단위 셀의 진공 흡착시 안착부에 발생하는 정전기적 인력을 방지할 수 있는 단위 셀 운반 시스템에 관한 것이다. The present invention relates to a unit cell transport system, and more specifically, to a unit cell transport system that can prevent electrostatic attraction generated on the seating part when the unit cell placed on the seating part is vacuum adsorbed.
본 출원은 2022년 7월 1일자 한국 특허 출원 제10-2022-0081384호에 기초한 우선권의 이익을 주장하며, 해당 한국 특허 출원의 문헌에 개시된 모든 내용은 본 명세서의 일부로서 포함된다.This application claims the benefit of priority based on Korean Patent Application No. 10-2022-0081384, dated July 1, 2022, and all contents disclosed in the document of the Korean Patent Application are included as part of this specification.
파우치형 리튬 이차전지는 유연성을 가져 그 형상이 비교적 자유로우며, 무게가 가볍고 안전성도 우수하여 휴대폰, 캠코더, 노트북 컴퓨터와 같은 휴대용 전자기기의 전원으로 수요가 증가하고 있다. Pouch-type lithium secondary batteries are flexible, have relatively free shapes, are light in weight, and have excellent safety, so demand is increasing as a power source for portable electronic devices such as mobile phones, camcorders, and laptop computers.
이차전지 제조 과정에서 스택킹 공정이 수행된다. A stacking process is performed during the secondary battery manufacturing process.
라미 스택 방식(Lamination & Stacking)은 양극, 음극, 및 양극과 음극 사이에 개재된 분리막을 포함하는 수십 개의 모노 셀(mono-cell)을 차례로 쌓아 스택 셀을 형성한 후, 분리막과 음극으로 구성된 하프 셀(half-cell)을 스택 셀 상에 적층시킴으로써 하나의 전지 셀을 완성하는 제조법이다. The Lamination & Stacking method is to form a stacked cell by sequentially stacking dozens of mono-cells containing an anode, a cathode, and a separator between the anode and the cathode, and then forming a half cell consisting of the separator and the cathode. This is a manufacturing method that completes one battery cell by stacking cells (half-cells) on a stack cell.
도 1은 종래 테이블에 안착된 단위 셀을 흡착하는 과정을 설명하기 위한 개략도이다 Figure 1 is a schematic diagram illustrating the process of adsorbing a unit cell seated on a conventional table.
도 1을 참조하면, 픽업 장치의 흡착부(20)는 테이블(10)에 놓인 단위셀(30)의 상면과 맞닿은 상태에서, 단위셀(30)로 진공압을 인가하여 단위셀(30)을 흡착한다. Referring to FIG. 1, the adsorption unit 20 of the pickup device is in contact with the upper surface of the unit cell 30 placed on the table 10, and applies vacuum pressure to the unit cell 30 to separate the unit cell 30. Absorbs.
본 문서에서, 단위 셀(30)은 모노 셀 또는 하프 셀을 포함한다.In this document, unit cell 30 includes a mono cell or half cell.
도 1(a)를 참조하면, 흡착부(20)가 단위셀(30)을 누른 상태에서 진공압을 인가함에 따라 테이블(10)에는 진공압의 인가 방향과 반대 방향으로 정전기적 인력이 발생한다. Referring to FIG. 1(a), as vacuum pressure is applied while the adsorption unit 20 is pressing the unit cell 30, electrostatic attraction is generated on the table 10 in the direction opposite to the direction of application of vacuum pressure. .
도 1(b)를 참조하면, 흡착부(20)가 단위셀(30)을 흡착한 상태에서, 흡착부(20)가 테이블(30)과 멀이지는 방향으로 상승 작동시, 테이블(30)에 발생한 정전기적 인력이 단위셀(30)을 잡아 당기게 된다.Referring to FIG. 1(b), in a state where the adsorption unit 20 adsorbs the unit cell 30, when the adsorption unit 20 moves upward in a direction away from the table 30, the table 30 The electrostatic attraction generated in pulls the unit cell 30.
이때, 단위셀(30)의 일부는 흡착부(20)에 흡착되고, 단위셀(30)의 다른 일부가 정전기적 인력에 의해 벌어지게 된다. At this time, part of the unit cell 30 is adsorbed to the adsorption unit 20, and another part of the unit cell 30 is spread apart by electrostatic attraction.
한편, 단위셀(30)이 흡착부(10)에 불량 흡착된 상태에서 이송되면, 단위셀 (30)내에 분리된 부분으로 대기압이 유입될 수 있다. On the other hand, if the unit cell 30 is transported in a state in which it is poorly adsorbed to the adsorption unit 10, atmospheric pressure may flow into the separated portion within the unit cell 30.
복수 개의 단위 셀이 적층된 스택 셀에서, 단위 셀 중 하프셀이 스택셀의 최상층에 적층되는 경우, 하프셀이 흡착부(10)에 불량 흡착된 상태로 이송되면, 하프셀이 이송과정에서 파손될 수 있다. In a stack cell in which a plurality of unit cells are stacked, when a half cell among the unit cells is stacked on the top layer of the stack cell, if the half cell is transferred in a state in which it is poorly adsorbed to the adsorption unit 10, the half cell may be damaged during the transfer process. You can.
이러한 문제점을 해결하기 위해, 흡착부(10)의 흡인력을 증가시키면, 하프셀이 변형되는 문제가 발생한다. To solve this problem, if the suction force of the adsorption unit 10 is increased, the half-cell is deformed.
본 발명은 대전방지시트 상에 단위 셀을 안착시킴으로써, 안착부에 걸리는 정전기적 인력을 방지할 수 있는 단위 셀 운반 시스템을 제공하는 것을 해결하고자 하는 과제로 한다. The present invention aims to solve the problem of providing a unit cell transport system that can prevent electrostatic attraction on the seating part by seating the unit cell on an antistatic sheet.
상기한 과제를 해결하기 위하여, 본 발명의 일 실시예에 따른 단위 셀 운반 시스템은 대전 방지 시트를 포함하고, 대전 방지 시트 상에 단위 셀이 안착되도록 마련된 안착부 및 상기 안착부 상에 놓인 단위 셀을 진공 흡착하도록 마련된 흡착부를 포함한다. In order to solve the above problem, a unit cell transport system according to an embodiment of the present invention includes an antistatic sheet, a seating portion provided to seat the unit cell on the antistatic sheet, and a unit cell placed on the seating portion. It includes an adsorption unit provided to vacuum adsorb.
이때, 상기 대전 방지 시트는 다공성 시트를 포함할 수 있다. At this time, the antistatic sheet may include a porous sheet.
또한, 상기 대전 방지 시트는 상기 안착부 상에 놓인 단위 셀을 진공 흡착시, 상기 단위 셀을 잡아당기는 흡착력과 반대 방향으로 발생하는 정전기적 인력을 상쇄시킬 수 있다. In addition, the antistatic sheet can cancel the electrostatic attraction that occurs in the opposite direction to the suction force pulling the unit cell when vacuum adsorbing the unit cell placed on the seating portion.
또한, 상기 대전 방지 시트는 104Ω/내지 105Ω의 표면 저항(측정방법: JIS K 6911)을 가질 수 있다. Additionally, the antistatic sheet may have a surface resistance of 10 4 Ω/to 10 5 Ω (measurement method: JIS K 6911).
또한, 상기 대전 방지 시트는 30% 내지 40%의 기공율을 가질 수 있다. Additionally, the antistatic sheet may have a porosity of 30% to 40%.
또한, 상기 대전 방지 시트는 2㎛ 내지 3㎛ 범위 내의 표면 거침 측정방법: JIS K 7104)을 가질 수 있다. In addition, the antistatic sheet may have a surface roughness measurement method in the range of 2㎛ to 3㎛ (JIS K 7104).
또한, 상기 대전 방지 시트는 1.4sec/100cm2 내지 1.7sec/100cm2의 통기도(측정방법: JIS K 1096)를 가질 수 있다. Additionally, the antistatic sheet may have an air permeability of 1.4sec/100cm 2 to 1.7sec/100cm 2 (measurement method: JIS K 1096).
또한, 상기 흡착부는 상기 안착부와 가까워지거나 상기 안착부와 멀어지는 방향으로 승강 이동 가능하게 마련될 수 있다. Additionally, the adsorption unit may be provided to be able to move up and down in a direction closer to or away from the seating unit.
또한, 상기 흡착부는, 지지대, 상기 지지대에 회전 가능하게 마련된 회전 작동부, 상기 회전 작동부와 함께 회전 가능하게 마련된 작동바 및 상기 작동바에 장착되고, 진공압 인가될 때 상기 단위 셀을 흡착하는 흡착 플레이트가 마련된 진공 흡착 유닛을 포함할 수 있다. In addition, the adsorption unit includes a support, a rotary operation unit rotatably provided on the support, an operation bar rotatably provided with the rotation operation unit, and an adsorption unit mounted on the operation bar and adsorbing the unit cell when vacuum pressure is applied. It may include a vacuum adsorption unit provided with a plate.
또한, 상기 진공 흡착 유닛은, 상기 흡착 플레이트에 연결되어, 상기 흡착 플레이트로 진공압을 제공하는 진공압 인가부 및 상기 흡착 플레이트를 상하로 승강시키는 승강부를 포함할 수 있다. In addition, the vacuum suction unit may include a vacuum pressure applicator that is connected to the suction plate and provides vacuum pressure to the suction plate, and a lifting portion that elevates the suction plate up and down.
또한, 상기 진공 흡착 유닛은, 상기 흡착 플레이트를 단위 셀을 향해 하강시키고, 상기 흡착 플레이트가 상기 단위 셀에 면접촉되면, 상기 흡착 플레이트로 진공압을 인가하며, 상기 흡착 플레이트에 상기 단위 셀이 흡착되면 흡착 플레이트를 상승시키도록 마련될 수 있다. Additionally, the vacuum adsorption unit lowers the adsorption plate toward the unit cell, and when the adsorption plate makes surface contact with the unit cell, vacuum pressure is applied to the adsorption plate, and the unit cell is adsorbed to the adsorption plate. It may be arranged to raise the adsorption plate.
또한, 단위 셀 운반시스템은 단위 셀이 차례로 적층되는 적층부를 추가로 포함할 수 있고, 상기 진공 흡착 유닛은 상기 흡착부가 상기 안착부에서 단위 셀을 진공 흡착하면, 흡착된 단위 셀을 상기 적층부로 운반시키도록 마련될 수 있다. In addition, the unit cell transport system may further include a stacking unit in which unit cells are sequentially stacked, and the vacuum adsorption unit transports the adsorbed unit cells to the stacking unit when the adsorption unit vacuum adsorbs the unit cells at the seating unit. It can be arranged to do so.
또한, 상기 진공 흡착 유닛은 흡착부에 흡착된 단위 셀을 적층부 상에 놓인 스택 셀 상에 적층시키도록 마련될 수 있다. Additionally, the vacuum adsorption unit may be provided to stack the unit cells adsorbed on the adsorption unit onto the stack cells placed on the stacking unit.
또한, 상기 단위 셀은 모노 셀 또는 하프 셀일 수 있다. Additionally, the unit cell may be a mono cell or a half cell.
이상에서 살펴본 바와 같이, 본 발명의 적어도 일 실시예와 관련된 단위 셀 운반 시스템은 다음과 같은 효과를 갖는다.As discussed above, the unit cell delivery system related to at least one embodiment of the present invention has the following effects.
단위 셀이 놓이는 안착부에 대전 방지 시트를 구비하여, 안착부에 놓인 단위 셀의 진공 흡착시 안착부에 발생하는 정전기적 인력을 방지할 수 있다. By providing an antistatic sheet on the seating portion where the unit cell is placed, it is possible to prevent electrostatic attraction generated on the seating portion when the unit cell placed on the seating portion is vacuum adsorbed.
또한, 흡착부에 대한 단위 셀의 흡착 불량을 개선할 수 있고, 단위 셀 픽업 시 단위 셀의 손상을 방지할 수 있다. In addition, the adsorption defect of the unit cell to the adsorption unit can be improved, and damage to the unit cell can be prevented when the unit cell is picked up.
또한, 단위 셀로 진공압 인가시, 안착부에 걸리는 정전기적 인력을 해소함에 따라, 흡착부가 종래보다 낮은 흡인력으로 단위 셀을 진공 흡착할 수 있고, 이에 따라 흡착 및 운반 시 단위 셀의 변형을 방지할 수 있다. In addition, when vacuum pressure is applied to the unit cell, the electrostatic attraction applied to the seating portion is eliminated, allowing the adsorption portion to vacuum adsorb the unit cell with a lower suction force than before, thereby preventing deformation of the unit cell during adsorption and transportation. You can.
도 1은 종래 테이블에 안착된 단위 셀을 흡착하는 과정을 설명하기 위한 개략도이다 Figure 1 is a schematic diagram illustrating the process of adsorbing a unit cell seated on a conventional table.
도 2는본 발명의 일 실시예에 따른 단위 셀 운반 시스템을 개략적으로 나타내는 사시도이다.Figure 2 is a perspective view schematically showing a unit cell transport system according to an embodiment of the present invention.
도 3은 본 발명의 일 실시예에 따른 단위 셀 운반 시스템을 구성하는 안착부 및 적층부를 나타내는 개략도이다. Figure 3 is a schematic diagram showing a seating portion and a stacking portion constituting a unit cell transport system according to an embodiment of the present invention.
도 4 내지 도 6은 본 발명의 일 실시예에 따른 단위 셀 운반 시스템의 일 작동상태를 설명하기 위한 개략도들이다. 4 to 6 are schematic diagrams for explaining an operating state of a unit cell transport system according to an embodiment of the present invention.
이하, 본 발명의 일 실시예에 따른 단위셀 운반 시스템을 도면을 참고하여 상세히 설명한다.Hereinafter, a unit cell transport system according to an embodiment of the present invention will be described in detail with reference to the drawings.
또한, 도면 부호에 관계없이 동일하거나 대응되는 구성요소는 동일 또는 유사한 참조번호를 부여하고 이에 대한 중복 설명은 생략하기로 하며, 설명의 편의를 위하여 도시된 각 구성 부재의 크기 및 형상은 과장되거나 축소될 수 있다.In addition, regardless of the drawing numbers, identical or corresponding components are given the same or similar reference numbers and duplicate descriptions thereof are omitted. For convenience of explanation, the size and shape of each component shown are exaggerated or reduced. It can be.
도 2는본 발명의 일 실시예에 따른 단위 셀 운반 시스템(100)을 개략적으로 나타내는 사시도이고, 도 3은 본 발명의 일 실시예에 따른 단위 셀 운반 시스템을 구성하는 안착부(110) 및 적층부(130)를 나타내는 개략도이다.Figure 2 is a perspective view schematically showing the unit cell transport system 100 according to an embodiment of the present invention, and Figure 3 is a seating part 110 and a stacking part constituting the unit cell transport system according to an embodiment of the present invention. This is a schematic diagram showing (130).
또한, 도 4 내지 도 6은 본 발명의 일 실시예에 따른 단위 셀 운반 시스템의 일 작동상태를 설명하기 위한 개략도들이다. Additionally, Figures 4 to 6 are schematic diagrams for explaining an operating state of a unit cell transport system according to an embodiment of the present invention.
본 발명의 일 실시예에 따른 단위 셀 운반 시스템(100)은 대전 방지 시트(111)를 포함하고, 대전 방지 시트(111) 상에 단위 셀이 안착되도록 마련된 안착부(110) 및 상기 안착부(110) 상에 놓인 단위 셀(150)을 진공 흡착하도록 마련된 흡착부(120)를 포함한다. The unit cell transport system 100 according to an embodiment of the present invention includes an antistatic sheet 111, a seating portion 110 provided to seat the unit cell on the antistatic sheet 111, and the seating portion ( It includes an adsorption unit 120 provided to vacuum adsorb the unit cell 150 placed on 110).
본 문서에서, 상기 단위 셀은 모노 셀 또는 하프 셀일 수 있다. In this document, the unit cell may be a mono cell or a half cell.
상기 대전 방지 시트(111)는 다공성 시트를 포함할 수 있다. The antistatic sheet 111 may include a porous sheet.
또한, 상기 대전 방지 시트(111)는 상기 안착부(110) 상에 놓인 단위 셀(150)을 진공 흡착시, 상기 단위 셀(150)을 잡아당기는 흡착력과 반대 방향으로 발생하는 정전기적 인력을 상쇄시키는 기능을 수행한다. In addition, the antistatic sheet 111 cancels out the electrostatic attraction that occurs in the opposite direction to the adsorption force pulling the unit cell 150 when vacuum adsorbing the unit cell 150 placed on the seating portion 110. It performs the function it is instructed to do.
일 예로, 상기 대전 방지 시트(111)는 104Ω/내지 105Ω의 표면 저항(측정방법: JIS K 6911)을 가질 수 있고, 상기 대전 방지 시트(111)는 30% 내지 40%의 기공율을 가질 수 있으며, 또한, 상기 대전 방지 시트(111)는 2㎛ 내지 3㎛ 범위 내의 표면 거침 측정방법: JIS K 7104)을 가질 수 있고, 상기 대전 방지 시트(111)는 1.4sec/100cm2 내지 1.7sec/100cm2의 통기도(측정방법: JIS K 1096)를 가질 수 있다. As an example, the antistatic sheet 111 may have a surface resistance of 10 4 Ω/to 10 5 Ω (measurement method: JIS K 6911), and the antistatic sheet 111 may have a porosity of 30% to 40%. In addition, the antistatic sheet 111 may have a surface roughness measurement method in the range of 2㎛ to 3㎛ (JIS K 7104), and the antistatic sheet 111 may have a surface roughness measurement method of 1.4sec/100cm 2 to 1.4sec/100cm 2 It can have an air permeability of 1.7sec/100cm 2 (measurement method: JIS K 1096).
도 2 및 도 4를 참조하면, 상기 흡착부(120)는 상기 안착부(110)와 가까워지거나 상기 안착부(110)와 멀어지는 방향으로 승강 이동 가능하게 마련될 수 있다. Referring to FIGS. 2 and 4 , the adsorption unit 120 may be provided to be able to move up and down in a direction closer to or away from the seating unit 110 .
또한, 상기 흡착부(120)는, 지지대(121), 상기 지지대(121)에 회전 가능하게 마련된 회전 작동부(122), 상기 회전작동부(122)와 함께 회전 가능하게 마련된 작동바(123) 및 상기 작동바(123)에 장착되고, 진공압 인가될 때 상기 단위 셀(150)을 흡착하는 흡착 플레이트(124b)가 마련된 진공 흡착 유닛(124)을 포함할 수 있다. In addition, the adsorption unit 120 includes a support 121, a rotation operation unit 122 rotatably provided on the support 121, and an operation bar 123 rotatably provided together with the rotation operation unit 122. And it may include a vacuum adsorption unit 124 mounted on the operation bar 123 and provided with an adsorption plate 124b that adsorbs the unit cell 150 when vacuum pressure is applied.
또한, 상기 진공 흡착 유닛(124)은, 상기 흡착 플레이트(124b)로 진공압을 제공하는 진공압 인가부(124c) 및 상기 흡착 플레이트(124b)를 상하로 승강시키는 승강부를 포함할 수 있다. Additionally, the vacuum suction unit 124 may include a vacuum pressure applicator 124c that provides vacuum pressure to the suction plate 124b and an elevating portion that raises and lowers the suction plate 124b.
또한, 상기 진공 흡착 유닛(124)은, 상기 흡착 플레이트(124b)를 단위 셀을 향해 하강시키고, 상기 흡착 플레이트(124b)가 상기 단위 셀(150)에 면접촉되면, 상기 흡착 플레이트(124b)로 진공압을 인가하며, 상기 흡착 플레이트(124b)에 상기 단위 셀(150)이 흡착되면 흡착 플레이트(124b)를 상승시키도록 마련될 수 있다. In addition, the vacuum adsorption unit 124 lowers the adsorption plate 124b toward the unit cell, and when the adsorption plate 124b makes surface contact with the unit cell 150, the adsorption plate 124b Vacuum pressure is applied, and when the unit cell 150 is adsorbed to the adsorption plate 124b, the adsorption plate 124b may be raised.
도 3을 참조하면, 단위 셀 운반시스템(100)은 단위 셀이 차례로 적층되는 적층부(130)를 포함할 수 있고, 상기 진공 흡착 유닛(124)은 상기 흡착부(120)가 상기 안착부(100)에서 단위 셀(150)을 진공 흡착하면, 흡착된 단위 셀(150)을 상기 적층부(130)로 운반시키도록 마련될 수 있다. Referring to FIG. 3, the unit cell transport system 100 may include a stacking part 130 in which unit cells are sequentially stacked, and the vacuum adsorption unit 124 is configured such that the adsorption part 120 is the seating part ( When the unit cell 150 is vacuum adsorbed at 100, arrangements may be made to transport the adsorbed unit cell 150 to the stack unit 130.
도 3 및 도 6을 참조하면, 상기 진공 흡착 유닛(124)은 흡착부(110)에 흡착된 단위 셀(150)을 적층부(130) 상에 놓인 스택 셀(160) 상에 적층시키도록 마련될 수 있다. 3 and 6, the vacuum adsorption unit 124 is provided to stack the unit cells 150 adsorbed on the adsorption unit 110 on the stack cells 160 placed on the stacking unit 130. It can be.
도 2 및 도 3을 참조하면, 본 발명의 일 실시예에 따른 단위 셀 운반 시스템(100)은, 안착부(110), 흡착부(120) 및 적층부(130)를 포함한다. Referring to Figures 2 and 3, the unit cell transport system 100 according to an embodiment of the present invention includes a seating part 110, an adsorption part 120, and a stacking part 130.
상기 안착부(110)에는 단위 셀(150)이 안착된다. 본 실시예에서, 단위 셀(150)은 판형 구조를 가진다. 2차 전지의 제조 공정에서, 단위 셀(150)로는 모노 셀(mono-cell) 또는 하프셀(half-cell)이 해당될 수 있다.The unit cell 150 is seated on the seating portion 110. In this embodiment, the unit cell 150 has a plate-shaped structure. In the secondary battery manufacturing process, the unit cell 150 may be a mono-cell or half-cell.
상기 안착부(110)는 테이블(112) 및 대전 방지 시트(111)로 포함한다. 상기 대전 방지 시트(111)는 테이블(112)의 상면에 마련된다. 단위 셀(150)이 테이블(112) 상에 놓일 때, 단위 셀(150)은 대전 방지 시트(111)에 안착된다. The seating portion 110 includes a table 112 and an antistatic sheet 111. The antistatic sheet 111 is provided on the upper surface of the table 112. When the unit cell 150 is placed on the table 112, the unit cell 150 is seated on the antistatic sheet 111.
대전 방지 시트(111)는 단위 셀(150)의 진공 흡착시, 단위 셀(150)에 대한 정전기적 인력이 발생하는 것을 방지한다. 구체적으로, 대전 방지 시트(111)는 단위 셀(150)과 테이블(112) 사이에서, 흡착부(120)의 진공 흡착 시, 흡착력의 반대 방향으로 안착부(110)에 걸리는 정전기적 인력을 상쇄시킨다. 여기서, 흡착력은 흡착부(120)가 단위 셀(150)을 잡아당기는 힘이다.The antistatic sheet 111 prevents electrostatic attraction from occurring on the unit cell 150 when the unit cell 150 is vacuum adsorbed. Specifically, the antistatic sheet 111 offsets the electrostatic attraction applied to the seating unit 110 in the opposite direction of the adsorption force during vacuum adsorption of the adsorption unit 120 between the unit cell 150 and the table 112. I order it. Here, the adsorption force is the force with which the adsorption unit 120 pulls the unit cell 150.
대전 방지 시트(111)는 104Ω 내지 105Ω 범위의 표면 저항을 가질 수 있다. 표면 저항은 대전 방지 시트의 경계면에서 평행한 방향으로 작용하는 힘으로서, 마찰 저항이라 한다. The antistatic sheet 111 may have a surface resistance ranging from 10 4 Ω to 10 5 Ω. Surface resistance is a force acting in a parallel direction at the boundary surface of the antistatic sheet and is called frictional resistance.
통상 1012Ω 내지 1013Ω 범위의 표면 저항을 가진 물체는 대전 후 서서히 감쇠하는 특성을 가지고, 1010Ω 내지 1012Ω 범위의 표면 저항을 가진 물체는 대전 후 즉시 감쇠하는 특성을 가지며, 106Ω 내지 109Ω 범위의 표면 저항을 가진 물체는 거의 대전되지 않는 특성을 가지고, 103Ω 내지 106Ω 범위의 표면 저항을 가진 물체는 전혀 대전되지 않는 특성을 가진다. Typically, an object with a surface resistance in the range of 10 12 Ω to 10 13 Ω has the characteristic of slowly attenuating after charging, and an object with a surface resistance in the range of 10 10 Ω to 10 12 Ω has the characteristic of attenuating immediately after charging, and 10 An object with a surface resistance in the range of 6 Ω to 10 9 Ω has the characteristic of being almost uncharged, and an object with a surface resistance in the range of 10 3 Ω to 10 6 Ω has the characteristic of not being charged at all.
상기 대전 방지 시트(111)는 물체와 접촉 시 전혀 대전되지 않은 표면 저항을 가지며, 이에 따라 단위 셀(150)과 접촉 시 대전되지 않는다.The antistatic sheet 111 has a surface resistance that is not charged at all when contacted with an object, and therefore is not charged when contacted with the unit cell 150.
대전 방지 시트(111)는 0.2mm 내지 0.8mm의 두께를 가진다. 대전 방지 시트(111)는 2㎛ 내지 3㎛ 범위 내의 표면 거칠기를 가짐으로써, 단위 셀(150)이 대전 방지 시트(111)에 밀착되는 것을 방지할 수 있다.The antistatic sheet 111 has a thickness of 0.2 mm to 0.8 mm. The antistatic sheet 111 has a surface roughness in the range of 2㎛ to 3㎛, thereby preventing the unit cell 150 from coming into close contact with the antistatic sheet 111.
대전 방지 시트(111)의 재질(예, 부직포 등)은 특별히 한정하지 않으며, 상기와 같은 물성을 만족시키는 재질이라면 다양하게 적용 가능하다. The material (e.g., non-woven fabric, etc.) of the antistatic sheet 111 is not particularly limited, and any material that satisfies the above physical properties can be applied in various ways.
이하, 안착부(110)의 위치를 제1 위치(P1)로 지칭하고, 적층부(130)의 위치를 제2 위치(P2)로 지칭하여, 단위 셀 운반시스템의 일 작동상태를 설명한다.Hereinafter, the position of the seating unit 110 will be referred to as the first position (P1) and the position of the stacking unit 130 will be referred to as the second position (P2), and an operating state of the unit cell transport system will be described.
도 3을 참조하면, 흡착부(120)는 제1 위치(P1)와 제2 위치(P2) 사이에서 위치된다. Referring to FIG. 3, the adsorption unit 120 is located between the first position (P1) and the second position (P2).
적층부(130)에는 스택셀(160)이 적층된다. 2차 전지 제조 공정의 스태킹 공정에서, 스택셀(160)은 복수 개의 모노-셀(mono-cell)이 적층된 구조일 수 있다. Stack cells 160 are stacked on the stack unit 130. In the stacking process of the secondary battery manufacturing process, the stack cell 160 may have a structure in which a plurality of mono-cells are stacked.
안착부(110)와 적층부(130)는 흡착부(120)의 회전 범위 내에서 이격 배치될 수 있다. 흡착부(120)는 소정 각도 범위 내에서 회전 가능한 구조를 가진다. The seating unit 110 and the stacking unit 130 may be spaced apart within the rotation range of the adsorption unit 120. The adsorption unit 120 has a structure that can be rotated within a predetermined angle range.
도 3 내지 도 6을 참조하면, 흡착부(120)는 안착부(110)에서 단위 셀(150)을 진공 흡착하여, 적층부(130)로 운반하도록 마련될 수 있다. Referring to FIGS. 3 to 6 , the adsorption unit 120 may be provided to vacuum adsorb the unit cell 150 from the seating unit 110 and transport it to the stacking unit 130.
상기 흡착부(120)는 지지대(121), 회전 작동부(122), 작동바(123) 및 진공 흡착 유닛(124)을 포함할 수 있다. 지지대(121)는 안착부(110)와 적층부(130) 사이에 배치될 수 있다. The adsorption unit 120 may include a support 121, a rotation operation unit 122, an operation bar 123, and a vacuum adsorption unit 124. The support 121 may be disposed between the seating portion 110 and the stacking portion 130.
또한, 회전 작동부(122)는 지지대(121)에 회전 가능하게 장착되고, 회전축을 가질 수 있다. 이때, 회전축에는 작동바(123)가 장착될 수 있다. Additionally, the rotation operation unit 122 is rotatably mounted on the support 121 and may have a rotation axis. At this time, an operating bar 123 may be mounted on the rotation axis.
또한, 작동바(123)는 일단이 회전축에 장착되고, 타단이 회전 작동부(122)의 회전축 방향에 대해 수직하게 돌출될 수 있다. 상기 작동바(123)는 회전 작동부(122)의 작동시, 회전축의 회전 방향을 따라 회전축과 함게 회전된다. Additionally, one end of the operating bar 123 may be mounted on a rotation axis, and the other end may protrude perpendicularly to the direction of the rotation axis of the rotation operation unit 122. When the rotation operation unit 122 is operated, the operation bar 123 is rotated along with the rotation axis along the rotation direction of the rotation axis.
상기 진공 흡착 유닛(124)은 작동바(123)에 장착된다. 진공 흡착 유닛(124)은 단위 셀(150)을 진공 흡착하도록 마련된다. 진공 흡착 유닛(124)은 몸체(124a), 흡착 플레이트(124b), 진공압 인가부(124c) 및 승강부(124d)를 포함한다. The vacuum adsorption unit 124 is mounted on the operating bar 123. The vacuum adsorption unit 124 is provided to vacuum adsorb the unit cell 150. The vacuum adsorption unit 124 includes a body 124a, an adsorption plate 124b, a vacuum pressure application part 124c, and an elevating part 124d.
몸체(124a)는 작동바(123)의 타단에 장착될 수 있다. 상기 몸체(124a)에는 안착부(110)를 향하는 방향으로 흡착 플레이트(124b)가 마련된다. 흡착 플레이트(124b)에는 진공압 인가부(124c)가 연결된다.The body 124a may be mounted on the other end of the operating bar 123. An adsorption plate 124b is provided on the body 124a in a direction toward the seating portion 110. A vacuum pressure application unit 124c is connected to the adsorption plate 124b.
진공압 인가부(124c)는 흡착 플레이트(124b)로 진공압을 제공한다. 진공압 인가부(124c)은 흡착 플레이트(124b)가 단위 셀(150)에 면접촉되면, 흡착 플레이트(124b)로 진공압을 인가하도록 마련될 수 있다. The vacuum pressure applicator 124c provides vacuum pressure to the adsorption plate 124b. The vacuum pressure applicator 124c may be provided to apply vacuum pressure to the suction plate 124b when the suction plate 124b makes surface contact with the unit cell 150.
또한, 승강부(124d)은 흡착 플레이트(124b)에 결합되어, 흡착 플레이트(124b)를 상하로 승강시키도록 마련된다. 상기 승강부(124d)는 모터 또는 실린더를 포함할 수 있고, 상기 승강부(124d)는 흡착 플레이트(124b)가 안착부(110)의 상부에 위치되면, 흡착 플레이트(124b)를 단위 셀(150)을 향해 하강시킬 수 있다. 또한, 승강부(124d)는 흡착 플레이트(124b)에 단위 셀(150)이 흡착되면 흡착 플레이트(124b)를 상승시킬 수 있다. Additionally, the lifting unit 124d is coupled to the suction plate 124b and is provided to lift the suction plate 124b up and down. The lifting part 124d may include a motor or a cylinder, and when the suction plate 124b is located on the upper part of the seating part 110, the lifting part 124d moves the suction plate 124b into the unit cell 150. ) can be descended toward. Additionally, the lifting unit 124d may raise the adsorption plate 124b when the unit cell 150 is adsorbed to the adsorption plate 124b.
도 3 내지 도 6을 참조하면, 흡착부(120)는 제1 위치(P1)에서, 안착부(110)에 놓인 단위 셀(150)을 진공 흡착한다. 구체적으로, 도 4를 참조하면, 제1 위치(P1)에서, 흡착부(120)는 단위 셀(150)을 향해 하강(F1방향)하면서, 단위 셀(150)에 면접촉된다. Referring to FIGS. 3 to 6 , the adsorption unit 120 vacuum-adsorbs the unit cell 150 placed on the seating unit 110 at the first position P1. Specifically, referring to FIG. 4, at the first position P1, the adsorption unit 120 descends (F1 direction) toward the unit cell 150 and makes surface contact with the unit cell 150.
도 5를 참조하면, 흡착부(120)는 단위 셀(150)로 진공압을 인가하여 단위 셀(150)을 흡착한다. 흡착부는 단위 셀(150)로 진공압이 인가된 상태로, 상승(F2 방향)하면서 단위 셀(150)을 운반한다. Referring to FIG. 5, the adsorption unit 120 applies vacuum pressure to the unit cell 150 to adsorb the unit cell 150. The adsorption unit transports the unit cell 150 while ascending (in the F2 direction) with vacuum pressure applied to the unit cell 150.
도 6을 참조하면, 단위 셀(150)을 흡착한 후 흡착부(120)는 기설정된 각도로 회전되면서 제2 위치(P2)로 이동된다. 이때, 제2 위치(P2)에서, 흡착부(120)는 단위 셀(150)로 인가되던 진공압을 해제한다. 이에 따라, 단위 셀(150)은 흡착부(120)에서 분리되어, 적층부(130) 상에 놓인 스택셀(160)의 상부에 적층된다.Referring to FIG. 6, after adsorbing the unit cell 150, the adsorption unit 120 is rotated at a preset angle and moved to the second position (P2). At this time, at the second position P2, the adsorption unit 120 releases the vacuum pressure applied to the unit cell 150. Accordingly, the unit cell 150 is separated from the adsorption unit 120 and stacked on top of the stack cell 160 placed on the stack unit 130.
위에서 설명된 본 발명의 바람직한 실시예는 예시의 목적을 위해 개시된 것이고, 본 발명에 대한 통상의 지식을 가지는 당업자라면 본 발명의 사상과 범위 안에서 다양한 수정, 변경, 부가가 가능할 것이며, 이러한 수정, 변경 및 부가는 하기의 청구범위에 속하는 것으로 보아야 할 것이다.The preferred embodiments of the present invention described above have been disclosed for illustrative purposes, and those skilled in the art will be able to make various modifications, changes, and additions within the spirit and scope of the present invention, and such modifications and changes will be possible. and additions should be regarded as falling within the scope of the following claims.
본 발명의 적어도 일 실시예와 관련된 단위 셀 운반 시스템에 따르면, 단위 셀이 놓이는 안착부에 대전 방지 시트를 구비하여, 안착부에 놓인 단위 셀의 진공 흡착시 안착부에 발생하는 정전기적 인력을 방지할 수 있다. According to the unit cell transport system related to at least one embodiment of the present invention, an antistatic sheet is provided on the seating portion where the unit cell is placed, to prevent electrostatic attraction generated on the seating portion when the unit cell placed on the seating portion is vacuum adsorbed. can do.

Claims (14)

  1. 대전 방지 시트를 포함하고, 대전 방지 시트 상에 단위 셀이 안착되도록 마련된 안착부; 및A seating portion including an antistatic sheet and provided to seat a unit cell on the antistatic sheet; and
    상기 안착부 상에 놓인 단위 셀을 진공 흡착하도록 마련된 흡착부를 포함하는 단위 셀 운반 시스템. A unit cell transport system including an adsorption unit provided to vacuum adsorb the unit cell placed on the seating unit.
  2. 제 1 항에 있어서, According to claim 1,
    상기 대전 방지 시트는 다공성 시트를 포함하는 단위 셀 운반 시스템. A unit cell transport system wherein the antistatic sheet includes a porous sheet.
  3. 제 1 항에 있어서, According to claim 1,
    상기 대전 방지 시트는 상기 안착부 상에 놓인 단위 셀을 진공 흡착시, 상기 단위 셀을 잡아당기는 흡착력과 반대 방향으로 발생하는 정전기적 인력을 상쇄시키는 단위 셀 운반 시스템. The antistatic sheet is a unit cell transport system that cancels out electrostatic attraction generated in the opposite direction to the adsorption force pulling the unit cell when vacuum adsorbing the unit cell placed on the seating portion.
  4. 제 1 항에 있어서, According to claim 1,
    상기 대전 방지 시트는 104Ω/내지 105Ω의 표면 저항을 갖는 단위 셀 운반 시스템. The antistatic sheet is a unit cell delivery system having a surface resistance of 10 4 Ω/to 10 5 Ω.
  5. 제 1 항에 있어서, According to claim 1,
    상기 대전 방지 시트는 30% 내지 40%의 기공율을 갖는 단위 셀 운반 시스템. A unit cell delivery system wherein the antistatic sheet has a porosity of 30% to 40%.
  6. 제 1 항에 있어서,According to claim 1,
    상기 대전 방지 시트는 2㎛ 내지 3㎛ 범위 내의 표면 거침을 갖는 단위 셀 운반 시스템. The antistatic sheet is a unit cell delivery system having a surface roughness in the range of 2㎛ to 3㎛.
  7. 제 1 항에 있어서, According to claim 1,
    상기 대전 방지 시트는 1.4sec/100cm2 내지 1.7sec/100cm2의 통기도를 갖는 단위 셀 운반 시스템. The antistatic sheet is a unit cell transport system having an air permeability of 1.4sec/100cm 2 to 1.7sec/100cm 2 .
  8. 제 1 항에 있어서, According to claim 1,
    상기 흡착부는 상기 안착부와 가까워지거나 상기 안착부와 멀어지는 방향으로 승강 이동 가능하게 마련된 단위 셀 운반 시스템. A unit cell transport system wherein the adsorption unit is capable of moving up and down in a direction closer to or away from the seating unit.
  9. 제 1 항에 있어서, 상기 흡착부는, The method of claim 1, wherein the adsorption unit,
    지지대;support fixture;
    상기 지지대에 회전 가능하게 마련된 회전 작동부;a rotation operation unit rotatably provided on the support;
    상기 회전 작동부에 장착되고, 회전 작동부와 함께 회전 가능하게 마련된 작동바; 및 An operating bar mounted on the rotation operation unit and rotatable together with the rotation operation unit; and
    상기 작동바에 장착되고, 진공압 인가될 때 상기 단위 셀을 흡착하는 흡착 플레이트가 마련된 진공 흡착 유닛을 포함하는 단위 셀 운반 시스템.A unit cell transport system comprising a vacuum adsorption unit mounted on the operating bar and provided with an adsorption plate for adsorbing the unit cell when vacuum pressure is applied.
  10. 제 9 항에 있어서, According to clause 9,
    상기 진공 흡착 유닛은, 상기 흡착 플레이트에 연결되어, 상기 흡착 플레이트로 진공압을 제공하는 진공압 인가부; 및The vacuum adsorption unit includes a vacuum pressure applicator connected to the adsorption plate and providing vacuum pressure to the adsorption plate; and
    상기 흡착 플레이트를 상하로 승강시키는 승강부를 포함하는 단위 셀 운반 시스템. A unit cell transport system including a lifting unit that lifts the adsorption plate up and down.
  11. 제 10 항에 있어서, According to claim 10,
    상기 진공 흡착 유닛은, 상기 흡착 플레이트를 단위 셀을 향해 하강시키고, 상기 흡착 플레이트가 상기 단위 셀에 면접촉되면, 상기 흡착 플레이트로 진공압을 인가하며, 상기 흡착 플레이트에 상기 단위 셀이 흡착되면 흡착 플레이트를 상승시키는 단위 셀 운반 시스템. The vacuum adsorption unit lowers the adsorption plate toward the unit cell, applies vacuum pressure to the adsorption plate when the adsorption plate makes surface contact with the unit cell, and adsorbs the unit cell when the unit cell is adsorbed on the adsorption plate. A unit cell transport system that elevates the plate.
  12. 제 11 항에 있어서, According to claim 11,
    단위 셀이 차례로 적층되는 적층부를 추가로 포함하고, It further includes a stacking part in which unit cells are sequentially stacked,
    상기 진공 흡착 유닛은 상기 흡착부가 상기 안착부에서 단위 셀을 진공 흡착하면, 흡착된 단위 셀을 상기 적층부로 운반시키는 단위 셀 운반 시스템. The vacuum adsorption unit is a unit cell transport system that transports the adsorbed unit cells to the stacking unit when the adsorption unit vacuum adsorbs the unit cells in the seating unit.
  13. 제 12 항에 있어서, According to claim 12,
    상기 진공 흡착 유닛은 흡착부에 흡착된 단위 셀을 적층부 상에 놓인 스택 셀 상에 적층시키도록 마련된 단위 셀 운반 시스템. The vacuum adsorption unit is a unit cell transport system configured to stack the unit cells adsorbed on the adsorption unit onto the stack cells placed on the stacking unit.
  14. 제 1 항에 있어서, According to claim 1,
    상기 단위 셀은 모노 셀 또는 하프 셀인 단위 셀 운반 시스템.A unit cell delivery system wherein the unit cell is a mono cell or half cell.
PCT/KR2023/095026 2022-07-01 2023-06-29 Unit cell transfer system WO2024005622A1 (en)

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KR101387387B1 (en) * 2011-12-21 2014-04-30 (주)탑나노시스 Antistatic sheet and working stage with the same
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