WO2023005053A1 - Mécanisme de mise en forme de languette de batterie polymère - Google Patents

Mécanisme de mise en forme de languette de batterie polymère Download PDF

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Publication number
WO2023005053A1
WO2023005053A1 PCT/CN2021/129552 CN2021129552W WO2023005053A1 WO 2023005053 A1 WO2023005053 A1 WO 2023005053A1 CN 2021129552 W CN2021129552 W CN 2021129552W WO 2023005053 A1 WO2023005053 A1 WO 2023005053A1
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WO
WIPO (PCT)
Prior art keywords
adjustment
tooling
spring
block
tab shaping
Prior art date
Application number
PCT/CN2021/129552
Other languages
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 WO2023005053A1 publication Critical patent/WO2023005053A1/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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • 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
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion 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
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention provides a polymer battery tab shaping mechanism, which is especially suitable for battery tab shaping in the forming process of a clamp.
  • 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 tabs of the battery are quite strict, and how to prevent the tabs from bending and dead-folding is an urgent problem to be solved.
  • the technical problem to be solved by the present invention is to provide a polymer battery tab shaping mechanism to overcome the above-mentioned deficiencies in the prior art.
  • a polymer battery tab shaping mechanism of the present invention adopts the following technical scheme:
  • the shaping mechanism is a left-right symmetrical structure, including the tab shaping tool adjustment seat, the adjustment seat slide rail, the tab shaping block, the PCB board and the spring adjustment mechanism.
  • the tab shaping tool adjustment seat is composed of two bearings and a convex section The two bearings are fixed on the two long sides of the workpiece with a convex cross-section; the slide rail of the adjustment seat is a workpiece with a concave cross-section; the ear shaping block is composed of a wedge-shaped block and a Composed of L-shaped tooling; the PCB composite board is composed of PCB boards and gold-plated copper sheets stacked; the spring adjustment mechanism is connected with the lug shaping block; the lug shaping tooling adjustment seat is fixed on the L-shaped tooling of the lug shaping block.
  • the adjustment seat of the ear shaping tool and the concave and convex of the adjustment seat slide rails are combined to form a slideway to slide up and down, driving the ear shaping block to present a parallelogram fit in the wedge-shaped groove of the laminate, the PCB board is fixed on the spring adjustment mechanism, and the spring adjustment mechanism drives the ups and downs adjust.
  • the spring adjustment mechanism is assembled together by the upper adjustment piece, the lower adjustment piece and the threaded nail with the cap to cooperate with the spring.
  • the PCB board is fixed on the lower regulating piece of the spring regulating mechanism.
  • the invention can quickly adjust the height of the PCB board, adapting to the battery thickness within 1.5-14mm without deforming the tabs; realizing automatic tab leveling instead of manually smoothing the tabs.
  • the invention adopts a precision spring mechanism and a parallelogram design to ensure that the PCB is quickly reset without deformation and is firm and stable, so as to ensure that the battery charging contact is not affected.
  • 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 mechanism laminate still adopts the original size and structure design, which is suitable for all hot-pressing forming machines in the industry at this stage, and will not change the formwork mechanism and affect the stability of the fixture.
  • Fig. 1 is a schematic diagram of the structure of the adjustment seat of the lug shaping tool
  • Fig. 2 is a structural schematic diagram of the slide rail of the adjustment seat
  • Fig. 3 is a structural schematic diagram of a tab shaping block
  • Fig. 4 is a schematic diagram of parallelogram coordination
  • Fig. 5 is a structural schematic diagram of a spring adjustment mechanism
  • Fig. 6 is a schematic diagram of the structure of the present invention.
  • the lug shaping tool adjustment seat 1 is composed of two type 626z bearings and a processed part with a convex cross section, and the two type 626z bearings are fixed on the processed part with a convex cross section.
  • Two long sides as shown in Figure 2, the adjustment seat slide rail 2 is a processed part with a concave cross section; as shown in Figure 3, the tab shaping block 3 is composed of a wedge-shaped block 7 and an L-shaped tooling 8;
  • the PCB board 4 is composed of a PCB board and a gold-plated copper sheet; as shown in Figure 5, the spring adjustment mechanism is assembled together by the upper adjustment piece 9, the lower adjustment piece 10 and the capped nail 11 with the spring.
  • the present invention is left-right symmetrical structure.
  • the overall adjustment method is that the tab shaping tool adjustment seat 1 is fixed on an L-shaped tooling of the tab shaping block 3, and the tab shaping tool adjustment seat 1 and the adjustment seat slide rail 2 are concave-convex to form a slideway Slide up and down to drive the lug shaping block 3 to present two inverted wedge-shaped fits in the laminate groove, that is, a parallelogram fit (as shown in Figure 4), to realize a plane protrusion that drives the PCB board 4 protrusion to fall.
  • the rise is realized by the lug shaping block 3 rising spring adjustment mechanism 5 spring compression, and the falling is realized by the lug shaping block 3 descending spring adjustment mechanism 5 spring stretching, so as to adapt to different thicknesses of the battery core and realize the battery lug 6 shaping functions.
  • the battery lug Before the formation operation, put the battery lug on the PCB board 4 first, and confirm whether the battery lug 6 is deformed and bent. If it is bent, adjust the lug shaping tool adjustment seat 1 according to the actual variable, so that it is on the slide rail of the adjustment seat. 2, and then the tab shaping tool adjustment seat 1 moves up or down, thereby driving the tab shaping block 3 to move up and down, and the PCB board 4 changes through the height change of the spring adjustment mechanism 5, until the cell tab 6 and the PCB
  • the board 4 only needs to be on one plane, and the upper and lower positions of the PCB board 4 can be directly adjusted without bending, and the adjustment is completed.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

L'invention concerne également un mécanisme de mise en forme de languette de batterie polymère. Un siège de réglage d'outil de mise en forme de languette de la présente invention est composé de deux paliers et d'une pièce à travailler qui a une section transversale convexe, et les deux paliers sont fixés sur deux surfaces latérales longues de la pièce à usiner qui a la section transversale convexe ; un rail de coulissement de siège de réglage est une pièce à travailler qui a une section transversale concave ; un bloc de mise en forme de languette est composé d'un raccord de bloc en forme de coin avec un outillage en forme de L ; une carte de combinaison PCB est composée par empilement de cartes PCB et de feuilles de cuivre plaquée or ; un mécanisme de réglage de ressort est relié au bloc de mise en forme de languette ; le siège de réglage d'outil de mise en forme de languette est fixé sur l'outillage en forme de L du bloc de mise en forme de languette ; le siège de réglage d'outil de mise en forme de languette et le rail de coulissement de siège de réglage sont dans un ajustement concave-convexe pour former une glissière qui coulisse vers le haut et vers le bas, et entraîner le bloc de mise en forme de languette pour former un ajustement en forme de parallélogramme dans une rainure en forme de coin stratifié ; et les cartes PCB sont fixées sur le mécanisme de réglage de ressort, et sont entraînées par le mécanisme de réglage de ressort pour effectuer un ajustement de fluctuation très faible. La présente invention est appropriée pour être utilisée par toutes les machines de formage à pressage à chaud dans l'industrie au cours de la présente étape, sans changer un mécanisme de cadre de moule et affecter la stabilité d'un gabarit.
PCT/CN2021/129552 2021-07-29 2021-11-09 Mécanisme de mise en forme de languette de batterie polymère WO2023005053A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110862029.0 2021-07-29
CN202110862029.0A CN113745763A (zh) 2021-07-29 2021-07-29 一种聚合物电池极耳整形机构

Publications (1)

Publication Number Publication Date
WO2023005053A1 true WO2023005053A1 (fr) 2023-02-02

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PCT/CN2021/129552 WO2023005053A1 (fr) 2021-07-29 2021-11-09 Mécanisme de mise en forme de languette de batterie polymère

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CN (1) CN113745763A (fr)
WO (1) WO2023005053A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117525536A (zh) * 2024-01-08 2024-02-06 河南易成阳光新能源有限公司 一种全极耳电池的揉平装置及揉平方法

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WO2016013295A1 (fr) * 2014-07-22 2016-01-28 日産自動車株式会社 Procédé de production et dispositif de production de bloc-batterie
CN205194799U (zh) * 2015-11-10 2016-04-27 珠海银隆新能源有限公司 圆柱电池全极耳焊接的电芯极耳整形工装
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CN109904529A (zh) * 2019-04-10 2019-06-18 珠海冠宇电池有限公司 一种锂离子电池夹具
CN111146518A (zh) * 2020-01-13 2020-05-12 珠海泰坦新动力电子有限公司 一种极耳整形化成夹具及化成设备

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CN203941962U (zh) * 2014-05-14 2014-11-12 山东爱通工业机器人科技有限公司 一种锂电池极耳180度整形机构
WO2016013295A1 (fr) * 2014-07-22 2016-01-28 日産自動車株式会社 Procédé de production et dispositif de production de bloc-batterie
CN205194799U (zh) * 2015-11-10 2016-04-27 珠海银隆新能源有限公司 圆柱电池全极耳焊接的电芯极耳整形工装
CN110336084A (zh) * 2019-08-09 2019-10-15 珠海冠宇电池有限公司 一种锂离子电池极耳防折弯调整组件及夹具
CN211071360U (zh) * 2019-08-27 2020-07-24 银隆新能源股份有限公司 一种锂电池极耳整形夹具
CN211556070U (zh) * 2020-01-13 2020-09-22 珠海泰坦新动力电子有限公司 一种极耳整形化成夹具

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117525536A (zh) * 2024-01-08 2024-02-06 河南易成阳光新能源有限公司 一种全极耳电池的揉平装置及揉平方法
CN117525536B (zh) * 2024-01-08 2024-04-30 河南易成阳光新能源有限公司 一种全极耳电池的揉平装置及揉平方法

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