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CN-116365153-B - Compression assembly device for shell and battery cell module

CN116365153BCN 116365153 BCN116365153 BCN 116365153BCN-116365153-B

Abstract

The invention relates to a compression assembly device for a shell and a battery cell module, wherein the shell is provided with a plurality of through holes, each battery cell of the battery cell module covers one through hole and comprises a cover plate, a plurality of elastic elements and a locking mechanism, the cover plate is used for covering the end face, far away from the through holes, of the battery cell module, the plurality of elastic elements are arranged on the cover plate, after the cover plate covers the battery cell module, each elastic element abuts against one battery cell, and the locking mechanism is used for locking the cover plate on the shell or on a bottom plate, which is positioned at the end, far away from the battery cell module, of the shell and abuts against the shell, after the elastic elements compress the battery cells. According to the invention, each electric core in the electric core module can be well compressed, so that each electric core is compressed with a corresponding through hole, and glue leakage from the through hole of the shell in the glue filling process is prevented.

Inventors

  • SHEN CAN
  • WU YAN
  • WANG YUBAO
  • YUAN YONGJIE

Assignees

  • 常州华数锦明智能装备技术研究院有限公司

Dates

Publication Date
20260512
Application Date
20230420

Claims (8)

  1. 1. A press-fit device for a housing and a cell module, the housing (1) having a plurality of through-holes (11), each cell of the cell module (2) covering one through-hole (11), characterized in that, A compress tightly assembly quality for casing and electric core module includes: a cover plate (3) for covering the end surface of the cell module (2) far away from the through hole (11); A plurality of elastic elements (10) arranged on the cover plate (3), wherein after the cover plate (3) covers the cell module (2), each elastic element (10) is abutted against one cell; the locking mechanism is used for locking the cover plate (3) on the shell (1) or locking the cover plate (7) which is positioned at the end, far away from the cell module (2), of the shell (1) and is propped against the shell (1) after the elastic element (10) presses the cell.
  2. 2. The compression assembly for a housing and a battery cell module according to claim 1, wherein, The locking mechanism comprises at least two locking assemblies (4), wherein the locking assemblies (4) comprise: A connection assembly (41); the clamping hooks (42) are arranged on the connecting assembly (41), clamping grooves (71) matched with the clamping hooks (42) are formed in corresponding matched bodies, and the shell (1) and the bottom plate (7) are collectively called as matched bodies; at least one elastic pull rod (43) connecting the cover plate (3) and the connecting assembly (41), the axial direction being perpendicular to the height direction of the battery cell, is configured to be telescopic only along the axial direction thereof, and is used for applying inward movement force to the connecting assembly (41) when the connecting assembly (41) outwards exceeds an initial position.
  3. 3. The press-fit device for a housing and a battery cell module according to claim 2, wherein, The connection assembly (41) comprises: a first connecting piece (411) connected to the elastic tie rod (43); a second connecting piece (412) which is in sliding fit with the first connecting piece (411) in the height direction of the battery cell, and the clamping hook (42) is arranged on the second connecting piece (412); and the position fixing piece (413) is used for locking and fixing the second connecting piece (412) on the first connecting piece (411) after the second connecting piece (412) slides to a proper position along the height direction of the battery cell.
  4. 4. The press-fit device for a housing and a battery cell module according to claim 2, wherein, Further comprising a pushing mechanism (5), the pushing mechanism (5) comprising: a pusher (51) corresponding to the locking assembly (4); and the power mechanism (52) is connected with the pushing piece (51) and is used for driving the pushing piece (51) to move outwards so that the pushing piece (51) pushes the connecting assembly (41) to move outwards.
  5. 5. The press-fit device for a housing and a battery cell module as recited in claim 4, wherein, The device also comprises a manipulator (6), and the pushing mechanism (5) is configured on the manipulator (6).
  6. 6. The compression assembly for a housing and a battery cell module as recited in claim 5, wherein, The manipulator (6) comprises: a gripper assembly (61) for gripping the cover plate (3); And the pressing assembly (62) is used for pressing the cover plate (3) towards the shell (1) after the cover plate (3) covers the cell module (2).
  7. 7. The compression assembly for a housing and a battery cell module as defined in claim 6, wherein, At least two manipulator positioning assemblies (8) are arranged between the manipulator (6) and the cover plate (3).
  8. 8. The compression assembly for a housing and a battery cell module according to claim 1, wherein, At least two cover positioning assemblies (9) are arranged between the cover (3) and the housing (1).

Description

Compression assembly device for shell and battery cell module Technical Field The invention relates to the field of battery pack production, in particular to a compacting and assembling device for a shell and a battery cell module. Background In the production process of the battery pack, a glue filling procedure is provided, each electric core of the electric core module covers one through hole of the shell before glue filling, the electric core module is pressed on the shell through the cover plate, so that the through hole is plugged through the electric core module, and glue is filled between the shell and the electric core module subsequently. Traditional compression assembly device compresses tightly the electric core module through the apron is direct, because there is the difference in each electric core height in the electric core module and the degree of wear of each position of apron is different, perhaps because the apron warp, can lead to partial electric core excessive pressure, partial electric core compressive force is not enough, and electric core excessive pressure can lead to electric core damage, and electric core pressure is not enough, can follow the through-hole glue leakage at follow-up encapsulating process. Therefore, there is a need to develop a compression assembly device for a housing and a battery cell module, which avoids glue leakage in the glue filling process. Disclosure of Invention The invention aims to overcome the defects of the prior art, and provides a compression assembly device for a shell and a battery cell module, which can well compress each battery cell in the battery cell module, so that each battery cell compresses a corresponding through hole, and the glue leakage from the through hole of the shell in the glue filling process is prevented. In order to solve the technical problems, the technical scheme of the invention is that the compaction assembly device for the shell and the battery cell module comprises a shell, wherein the shell is provided with a plurality of through holes, each battery cell of the battery cell module covers one through hole, and the compaction assembly device comprises: the cover plate is used for covering the end face, far away from the through hole, of the battery cell module; the elastic elements are arranged on the cover plate, and each elastic element abuts against one battery cell after the cover plate covers the battery cell module; And the locking mechanism is used for locking the cover plate on the shell or on a bottom plate which is positioned at the end of the shell far away from the battery cell module and is propped against the shell after the elastic element presses the battery cell. There is further provided a specific structure of a locking mechanism for facilitating locking, the locking mechanism comprising at least two locking assemblies, wherein the locking assemblies comprise: A connection assembly; The clamping hooks are arranged on the connecting assembly, clamping grooves matched with the clamping hooks are formed in corresponding matched bodies, and the shell and the bottom plate are collectively called as matched bodies; at least one elastic pull rod is connected with the cover plate and the connecting component, is axially perpendicular to the height direction of the battery cell and is configured to be only telescopic along the axial direction of the connecting component and is used for applying inward moving force to the connecting component when the connecting component outwards exceeds an initial position. Further in order to make the whole device suitable for the electric core module of different height, the coupling assembling includes: the first connecting piece is connected with the elastic pull rod; The second connecting piece is in sliding fit with the first connecting piece in the height direction of the battery cell, and the clamping hook is arranged on the second connecting piece; And the position fixing piece is used for locking and fixing the second connecting piece on the first connecting piece after the second connecting piece slides to a proper position along the height direction of the battery cell. Further in order to facilitate pushing the locking assembly to open when the cover plate is covered, the compression assembly device for the housing and the battery cell module further comprises a pushing mechanism, wherein the pushing mechanism comprises: A pusher corresponding to the locking assembly; And the power mechanism is connected with the pushing piece and used for driving the pushing piece to move outwards so that the pushing piece pushes the connecting assembly to move outwards. Further, the compression assembly device for the shell and the battery cell module further comprises a manipulator, and the pushing mechanism is arranged on the manipulator. Further, the manipulator includes: The gripper assembly is used for gripping the cover plate; and the pressing component is used for pres