WO2023065417A1 - Dispositif de mise en forme de noyau de batterie polymère - Google Patents

Dispositif de mise en forme de noyau de batterie polymère Download PDF

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Publication number
WO2023065417A1
WO2023065417A1 PCT/CN2021/129549 CN2021129549W WO2023065417A1 WO 2023065417 A1 WO2023065417 A1 WO 2023065417A1 CN 2021129549 W CN2021129549 W CN 2021129549W WO 2023065417 A1 WO2023065417 A1 WO 2023065417A1
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WO
WIPO (PCT)
Prior art keywords
positioning
base
fixedly connected
block
side positioning
Prior art date
Application number
PCT/CN2021/129549
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English (en)
Chinese (zh)
Inventor
梁超
于振
Original Assignee
天津力神电池股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 天津力神电池股份有限公司 filed Critical 天津力神电池股份有限公司
Publication of WO2023065417A1 publication Critical patent/WO2023065417A1/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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • 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 utility model belongs to the technical field of lithium batteries, in particular to a polymer cell shaping device.
  • Lithium-ion batteries have the advantages of high voltage, high specific energy, many cycle times, and long storage time. They are not only widely used in portable electronic devices such as mobile phones, digital cameras and laptop computers, but also widely used in electric vehicles, electric In terms of large and medium-sized electric equipment such as bicycles and electric tools, the performance requirements of lithium-ion batteries are getting higher and higher. Among them, the requirements for the stability of battery movement are also quite strict. How to control the failure of battery positioning to cause fire and cause poor appearance quality is a problem that needs to be solved urgently.
  • the existing tooling adopts an I-shaped structure, and the two sides of the battery are only 5-10mm on the tooling. The battery often falls off during the movement of the equipment, and the battery is squeezed and caught fire.
  • the utility model aims to overcome the deficiencies in the prior art, and provides a polymer electric core shaping device, which can realize five-sided shaping and omnidirectional positioning, and avoid fire and poor appearance quality problems during the stable turnover operation of the electric core.
  • a polymer cell shaping device which is characterized in that: it includes a front positioning fixing bracket, a rear positioning fixing bracket, a front positioning base, a rear positioning base, a left and a left side Position the base of the cylinder and the opposite-fiber sensor, the front positioning base is fixed to the front positioning fixing bracket, the rear positioning base is fixed to the rear positioning fixing bracket, and the front positioning base is equipped with two sets of positioning blocks at the front end of the cell 1.
  • the positioning tooling mechanism on the left side of the cell is a mobile and retractable cell positioning structure, the positioning tooling mechanism at the rear end of the cell adopts an elastic positioning structure, and the positioning structure on the five sides of the cell is surrounded There are through-beam fiber optic sensors.
  • the left positioning tooling mechanism of the battery includes a linkage arm, a left positioning connecting seat, a left positioning guide block, a left left positioning cylinder base, a left positioning cylinder, and a left positioning slide rail.
  • the left side positioning cylinder base is fixedly connected with the front positioning fixed bracket
  • the left side positioning cylinder base is fixedly connected with the left side positioning cylinder
  • the left side positioning cylinder piston rod is connected with the left side positioning guide block Connection
  • the left side positioning guide block is slidingly connected with the left side positioning slide rail
  • the left side positioning guide block is vertically connected with the left side positioning connection seat in an "L" shape
  • the left side positioning connection seat is fixedly connected with the linkage arm
  • the two sides of the linkage arm are respectively radially fixed with the left side positioning block fixing seat
  • the left side positioning block fixing seat is fixedly connected with the left side positioning block 7 of the electric core, forming two sets of mobile shrinkable electric cores Position the tooling on the left.
  • Both ends of the left side positioning slide rail are respectively provided with a side positioning left slider limit piece and a side side positioning right slider limit piece.
  • the battery rear end positioning tooling mechanism includes a rear positioning linkage arm, a rear positioning tooling pair and a rear positioning cylinder, and the rear positioning tooling pair includes a front positioning plate, a rear support plate, a guide post, a spring, and a tooling support block.
  • the two ends of the front positioning plate are symmetrically fixed to the guide pillars, and the guide pillars are slidably connected to the rear support plate.
  • the springs are set on the guide pillars, and the rear support plate and the tooling support block are fixed as a whole to form an elastic rear positioning tooling structure.
  • the elastic rear positioning tooling structure is respectively placed at both ends of the rear positioning linkage arm, and a rear positioning cylinder is fixed on the rear positioning linkage arm.
  • the rear positioning cylinder is connected to the rear positioning cylinder base, and the rear positioning cylinder base is fixed to the rear positioning linkage arm.
  • the bracket is fixed.
  • the utility model adopts a precision spring mechanism and a five-sided enveloping design to ensure that the appearance of the battery cell is not damaged and the positioning is stable, so as to ensure that the battery cell is not affected during testing and movement.
  • the mechanism material adopts flame-retardant materials to ensure that the battery will not be affected when it catches fire and block the occurrence of fire incidents.
  • the bottom plate of the mechanism still adopts the original size and structure design, which is suitable for all transfer test equipment in the industry at this stage, ensuring the stable operation of the battery cells without affecting the stability of the entire test structure.
  • Fig. 1 is a structural representation of the utility model
  • Figure 2 is a schematic diagram of the connection between the rear positioning cylinder base and the rear positioning fixing bracket
  • Fig. 3 is a schematic diagram of the connection between the side positioning left limit piece and the front positioning base
  • Fig. 4 is a structural schematic diagram of the positioning tooling mechanism on the left side of the cell
  • Fig. 5 is that Fig. 4 is a top view
  • Fig. 6 is a structural schematic diagram of the elastic rear positioning tooling structure.
  • this embodiment provides a polymer cell shaping device, including a front positioning fixing bracket 3, a rear positioning Fixed support 4, front positioning base 1, rear positioning base 2, left and right side positioning cylinder base 5 and opposite beam optical fiber sensor 26, described front positioning base is fixedly connected with front positioning fixed support, and described rear positioning base is connected with rear positioning
  • the fixed bracket is fixedly connected, and two sets of battery front-end positioning blocks 15, the left positioning tooling mechanism of the battery and the right positioning block 8 of the battery are placed on the front positioning base, and two groups of symmetrical positions are placed on the rear positioning base.
  • the positioning tooling mechanism at the rear end of the cell the cell is placed on the bottom surface of the front positioning base, forming a positioning structure surrounded by five sides of the cell, the positioning tooling mechanism on the left side of the cell is a mobile retractable cell positioning structure, the cell
  • the rear-end positioning tooling mechanism adopts an elastic positioning structure, and the five-sided surrounding positioning structure of the battery is provided with an opposite-firing optical fiber sensor 26 .
  • the left side positioning tooling mechanism of the battery includes a linkage arm 10, a left side positioning connecting seat 11, a left side positioning guide block 12, a left side positioning Cylinder base 5, left side positioning cylinder 23 and left and left side positioning slide rail 25, described left side positioning cylinder base 5 is affixed with front positioning fixed support 3, and described left side positioning cylinder base is affixed with The left side positioning cylinder 23, the left side positioning cylinder 23 piston rod is connected with the left side positioning guide block 12, the left side positioning guide block 12 is slidingly connected with the left side positioning slide rail 25, the left side positioning guide The block 12 is vertically connected to the left side positioning connection seat 11 in an "L" shape, the left side positioning connection seat 11 is fixedly connected to the linkage arm 10, and the left side positioning blocks are fixed radially on both sides of the linkage arm 10 The fixed seat 9, the fixed seat of the positioning block on the left side is fixedly connected with the positioning block 7 on the left side of the electric core, forming two groups of
  • the two ends of the left side positioning slide rail 24 are respectively provided with a side positioning left slider limiting piece 13, a side positioning right slider limiting piece 14, It is used to prevent the slider from falling off and being damaged during the adjustment process.
  • the positioning tooling mechanism at the rear end of the cell includes a rear positioning linkage arm 16, a rear positioning tooling pair, a guide post 19, a spring 20, a tooling support block 21 and a rear positioning arm.
  • Positioning cylinder 22, described rear positioning frock pair comprises front positioning plate 18, rear support plate 17, guide post 19, spring 20 and frock support block 21, described front positioning plate two ends are symmetrically affixed guide post, and guide post and rear
  • the support plate is slidingly connected, the guide post is covered with a spring, and the rear support plate is fixedly connected with the tool support block to form an elastic rear positioning tool structure.
  • the elastic rear positioning tooling mechanism is respectively placed on the rear positioning linkage arm 16 At both ends, the rear positioning cylinder 22 is fixed on the rear positioning linkage arm, the rear positioning cylinder is connected with the rear positioning cylinder base 6, and the rear positioning cylinder base is fixedly connected with the rear positioning fixing bracket 4.
  • the front positioning base and the rear positioning base are on the same level. Put the battery cell on the front positioning base and the rear positioning base;
  • Adjust the left side positioning tooling of the mobile retractable battery when the left side positioning cylinder 23 shrinks, drive the left side positioning block of the battery through the linkage arm to adjust the battery to keep it in the center; position the side to the left slider limit piece 13 , the side positioning right slider limit piece 14 is respectively fixed on the two ends of the left side positioning slide rail 24 to prevent the slider from falling off and being damaged during the adjustment process;
  • the positioning block at the front end of the cell is provided with a long slot for adjustment, and the positioning block 15 at the front end of the cell is adjusted by bolts to ensure the effective positioning of the cell without touching the tabs;
  • Adjust the positioning tooling mechanism at the rear end of the cell assemble the elastic rear positioning tooling mechanism, install the front positioning plate 18, the rear support plate 17, the guide post 19, the spring 20 and the tooling support block 21 in sequence, and fix the two ends of the front positioning plate symmetrically.
  • Connect the guide post, the guide post is slidably connected with the rear support plate, and the guide post is covered with a spring, and the rear support plate and the tooling support block are fixed into a whole to form an elastic rear positioning tool, ensuring that the rear positioning cylinder 22 is extended.
  • the positioning plate 18 effectively fixes the battery cell without extruding force, and the adjustment of the positioning tool is completed at this point.
  • the battery cell is automatically placed on the front positioning base 1 and the rear positioning base 2 of the adjusted positioning tool.
  • the through-beam optical fiber sensor is connected to the control system in a conventional way.
  • the through-beam fiber sensor 26 detects that the battery core has been placed, and the rear positioning cylinder 22.
  • the rear positioning linkage arm 16 drives the elastic rear positioning tooling mechanism to stretch out, and the left side positioning cylinder 23 drives two sets of mobile retractable cell left positioning tooling to move and contract through the linkage arm 10.
  • the front positioning block 15 of the cell and the cell The positioning block 8 on the right side of the cell is fixed on the front positioning base after the position is adjusted by bolts to form a cell shaping device surrounded by five sides of the cell on the front, rear, left, right and bottom surfaces to complete the positioning of the cell.
  • the mechanism material adopts flame-retardant materials to ensure that the battery will not be affected when it catches fire and block the occurrence of fire incidents.
  • the bottom plate of the mechanism still adopts the original size and structure design, which is suitable for all transfer test equipment in the industry at this stage, ensuring the stable operation of the battery cells without affecting the stability of the entire test structure.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

La présente invention concerne un dispositif de mise en forme de noyau de batterie polymère, caractérisé en ce qu'il comprend : un support de fixation de positionnement avant (3), un support de fixation de positionnement arrière (4), une base de positionnement avant (1), une base de positionnement arrière (2), une base de cylindre de positionnement côté gauche (5), et un capteur à fibre optique de corrélation (26). La base de positionnement avant (1) est reliée de manière fixe au support de fixation de positionnement avant (3). La base de positionnement arrière (2) est reliée de manière fixe au support de fixation de positionnement arrière (4). La base de positionnement avant (1) comprend deux blocs de positionnement d'extrémité avant de noyau de batterie (15), un mécanisme d'outil de positionnement côté gauche de noyau de batterie et un bloc de positionnement côté droit de noyau de batterie (8). Deux mécanismes d'outil de positionnement d'extrémité arrière de noyau de batterie symétriques sont disposés sur la base de positionnement arrière (2). Un noyau de batterie est disposé sur une surface inférieure de la base de positionnement (1) avant pour former une structure de positionnement de type enveloppante à cinq faces du noyau de batterie. Une structure de positionnement élastique est utilisée pour chaque mécanisme d'outil de positionnement d'extrémité arrière de noyau de batterie. Le capteur à fibre optique de corrélation (26) est disposé sur la structure de positionnement de type enveloppante à cinq faces du noyau de batterie. Un mécanisme de ressort de précision et la conception de type enveloppante à cinq faces sont utilisés pour garantir que l'aspect du noyau de batterie n'est pas endommagé, le positionnement est stable, et le noyau de batterie n'est pas affecté pendant les tests et les déplacements.
PCT/CN2021/129549 2021-10-19 2021-11-09 Dispositif de mise en forme de noyau de batterie polymère WO2023065417A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202122531310.4 2021-10-19
CN202122531310.4U CN216488204U (zh) 2021-10-19 2021-10-19 聚合物电芯整形装置

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WO2023065417A1 true WO2023065417A1 (fr) 2023-04-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117483272A (zh) * 2023-11-02 2024-02-02 东莞市凯隆自动化科技有限公司 一种配套半自动卷绕机的压芯测短路机构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013077414A (ja) * 2011-09-30 2013-04-25 Ckd Corp 捲回素子のプレス装置
CN204257765U (zh) * 2014-07-06 2015-04-08 上海贯裕能源科技有限公司 软包电池整形工装
CN109950605A (zh) * 2019-02-28 2019-06-28 天津力神电池股份有限公司 一种聚合物电芯整形机构
CN109991551A (zh) * 2019-02-28 2019-07-09 天津力神电池股份有限公司 一种聚合物电芯测试定位机构
CN110957521A (zh) * 2019-12-30 2020-04-03 马鞍山南实科技有限公司 方形电芯模组规整压紧打包机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013077414A (ja) * 2011-09-30 2013-04-25 Ckd Corp 捲回素子のプレス装置
CN204257765U (zh) * 2014-07-06 2015-04-08 上海贯裕能源科技有限公司 软包电池整形工装
CN109950605A (zh) * 2019-02-28 2019-06-28 天津力神电池股份有限公司 一种聚合物电芯整形机构
CN109991551A (zh) * 2019-02-28 2019-07-09 天津力神电池股份有限公司 一种聚合物电芯测试定位机构
CN110957521A (zh) * 2019-12-30 2020-04-03 马鞍山南实科技有限公司 方形电芯模组规整压紧打包机

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117483272A (zh) * 2023-11-02 2024-02-02 东莞市凯隆自动化科技有限公司 一种配套半自动卷绕机的压芯测短路机构

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