CN-224217491-U - Battery cell assembly equipment

CN224217491UCN 224217491 UCN224217491 UCN 224217491UCN-224217491-U

Abstract

The application discloses a battery cell assembly device which is used for compressing a battery cell assembly, wherein the battery cell assembly device comprises a shell and a battery cell, the battery cell assembly device is provided with a first direction, the battery cell and the shell are arranged in a stacked mode along the first direction, the battery cell assembly device comprises a base, a compression detection mechanism and an early warning module, the compression detection mechanism is arranged on the base, a working area is arranged on the base, the battery cell assembly is arranged in the working area, the compression detection mechanism is arranged on at least one side of the working area along the first direction, the compression detection mechanism comprises a compression assembly and a detection assembly, the compression assembly can move relative to the working area along the first direction, the detection assembly is arranged on the base and/or the compression assembly and is used for detecting the relative position between the battery cell and the shell, the early warning module is electrically connected with the detection assembly, and the early warning module is used for carrying out early warning based on the relative position between the battery cell and the shell. According to the application, the unqualified battery cell assembly is removed through the early warning module, so that the yield of the product is improved.

Inventors

WU ZHONG
XU YONGJUN
LIU XIAOHUAN
Request for anonymity
LI BIN
LIU KUAN
TAN XIANG

Assignees

欣旺达电子股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250516

Claims (10)

1. The battery cell assembly equipment is used for compressing a battery cell assembly (10), wherein the battery cell assembly (10) comprises a shell (11) and a battery cell (12), the battery cell assembly equipment is provided with a first direction (X), and the battery cell (12) and the shell (11) are arranged in a stacked mode along the first direction (X), and is characterized by comprising a base (42), a compression detection mechanism (20) and an early warning module; The battery pack comprises a base (42), a compression detection mechanism (20), a battery module (10), a compression detection mechanism (20) and a control unit, wherein the compression detection mechanism (20) is arranged on the base (42), a working area is arranged on the base (42), and the battery module (10) is arranged in the working area; the compression detection mechanism (20) comprises a compression assembly (21) and a detection assembly (22), wherein the compression assembly (21) can move relative to the working area along the first direction (X), and the detection assembly (22) is arranged on the base (42) and/or the compression assembly (21) and is used for detecting the relative position between the battery cell (12) and the shell (11); The early warning module is electrically connected with the detection assembly (22) and is used for carrying out early warning based on the relative position between the battery cell (12) and the shell (11).
2. The cell assembly device according to claim 1, wherein the detection assembly (22) comprises an adsorption member (221), an adapter port (222), a gas pressure detection member, and a negative pressure member; The adsorption piece (221) is arranged on the compression assembly (21), a plurality of through holes are formed in the adsorption piece (221), the through holes are respectively communicated with the switching port (222), the air pressure detection piece is communicated with the switching port (222), and the negative pressure piece is communicated with the air pressure detection piece; The negative pressure piece is used for exhausting the through holes so that the through holes form a negative pressure state, the air pressure detection piece is electrically connected with the early warning module and is used for detecting an air pressure change value in the switching port (222), and the early warning module is used for judging the relative position between the battery cell (12) and the shell (11) based on the air pressure change value and carrying out early warning.
3. The battery cell assembly device according to claim 1, wherein the number of the battery cells (12) is two, the two battery cells (12) are respectively arranged on two sides of the shell (11) along the first direction (X), the number of the compression detection mechanisms (20) is two, the two compression detection mechanisms (20) are respectively arranged on two sides of the working area along the first direction (X), and each compression detection mechanism (20) can move relative to the working area along the first direction (X).
4. The cell assembly device according to claim 1, wherein the compression assembly (21) comprises a first driver (211) and a compression block (212); The first driving piece (211) is arranged on at least one side of the base (42) along the first direction (X), the compressing block (212) is connected with the first driving piece (211), and the first driving piece (211) is used for driving the compressing block (212) to move along the first direction (X) so as to compress the battery cell assembly (10).
5. The cell assembly device according to claim 1, further comprising a shaping mechanism (30); The battery cell assembly (10) further comprises a soft board (13), wherein the soft board (13) is arranged in the shell (11), and the soft board (13) is electrically connected with the battery cell (12), the soft board (13) is provided with a bending section, and the shaping mechanism (30) is provided with a shaping part corresponding to the bending section; The shaping mechanism (30) is movably connected to the base (42), and the shaping mechanism (30) can move relative to the working area so as to enable the shaping part to be abutted with the corresponding bending section and shape the bending section.
6. The cell assembly device according to claim 5, wherein the shaping mechanism (30) comprises a first shaping member (31); The first shaping part (31) is arranged on one side of the working area along the first direction (X), the shaping part comprises a first sub shaping part (312) arranged on the first shaping part (31), the bending section comprises a first sub bending section (131), the first sub shaping part (312) is arranged opposite to the first sub bending section (131), and the first sub shaping part (312) can move relative to the first sub bending section (131) along the first direction (X) so as to be abutted with the first sub bending section (131) and shape the first sub bending section (131).
7. The cell assembly device according to claim 6, wherein the first shaping member (31) is disposed on the pressing assembly (21), and the pressing assembly (21) is configured to drive the first shaping member (31) to move along the first direction (X).
8. The cell assembly device according to claim 6, wherein the shaping mechanism (30) further comprises a second shaping member (32) and a second driving member (34); The battery cell assembly equipment is provided with a second direction (Y) perpendicular to the first direction (X), the second driving piece (34) is arranged on the base (42), and the second shaping piece (32) is connected with the second driving piece (34); the shaping part comprises a second sub-shaping part (322) arranged on the second shaping part (32), the bending section comprises a second sub-bending section (132), the second sub-shaping part (322) is arranged opposite to the second sub-bending section (132), and the second driving part (34) is used for driving the second sub-shaping part (322) to move along the second direction (Y).
9. The cell assembly device according to claim 8, wherein the shaping mechanism (30) further comprises a third driving member (35) and a third shaping member (33); The battery cell assembly equipment is provided with a third direction (Z) which is perpendicular to the first direction (X) and the second direction (Y), the third driving piece (35) is connected with the second driving piece (34), and the third shaping piece (33) is connected with the third driving piece (35); The shaping part comprises a third sub shaping part (332) arranged on the third shaping part (33), the bending section comprises a third sub bending section (133), the third sub shaping part (332) and the third sub bending section (133) are oppositely arranged, and the third driving part (35) is used for driving the third sub shaping part (332) to move along the third direction (Z).
10. The cell assembly device according to any one of claims 1-9, further comprising a transport mechanism (40) and a carrier (41); The transmission mechanism (40) is arranged on the base (42), the bearing table (41) is arranged on the transmission mechanism (40), and the bearing table (41) is suitable for bearing the battery cell assembly (10); The transport mechanism (40) has a first position (43) and a second position (44) arranged opposite to each other, the first position (43) being located in the working area, and the transport mechanism (40) is used for transporting the carrying table (41) between the first position (43) and the second position (44).

Description

Battery cell assembly equipment Technical Field The application belongs to the technical field of battery cells, and particularly relates to battery cell assembly equipment. Background With the rapid development of the battery industry, the requirements on the battery assembly process are also increasing. The traditional semi-automatic assembly mode can not meet the requirements of modern production, so that an automatic and intelligent assembly technology is generated. Among them, PSA (Pressure SENSITIVE ADHESIVE, acrylate Pressure sensitive adhesive) activation mechanism is becoming a mainstream choice of battery industry as an advanced automation device. The technology realizes the accurate compaction of the battery glue and the glue shell through a precise mechanical structure, and ensures the stability and reliability of the battery in the assembly process. Meanwhile, the PSA activating mechanism has the characteristic of high efficiency, and can remarkably improve the production efficiency and the product quality of the battery. In addition, the mechanism has the advantages of simple structure and convenient disassembly and assembly, and provides powerful technical support for the production of the battery industry. In the related art, due to the lack of an effective feedback mechanism of the PSA activating mechanism, when the relative positions of the battery and the rubber shell deviate, the unqualified product is still activated, so that the unqualified product is mixed into the qualified product, and the yield of the product is reduced. Disclosure of utility model The application aims to provide a battery cell assembly device which can solve the problem of low yield of products in the prior art. In order to solve the technical problems, the application is realized as follows: In a first aspect, an embodiment of the application provides a battery cell assembly device, which is used for compressing a battery cell assembly, wherein the battery cell assembly device comprises a shell and a battery cell, the battery cell assembly device is provided with a first direction, the battery cell and the shell are arranged in a stacked mode along the first direction, the battery cell assembly device comprises a base, a compression detection mechanism and an early warning module, the compression detection mechanism is mounted on the base, a working area is arranged on the base, the battery cell assembly is arranged in the working area, the compression detection mechanism is arranged on at least one side of the working area along the first direction, the compression detection mechanism comprises a compression assembly and a detection assembly, the compression assembly can move relative to the working area along the first direction, the detection assembly is arranged on the base and/or the compression assembly and is used for detecting the relative position between the battery cell and the shell, the early warning module is electrically connected with the detection assembly and is used for early warning based on the relative position between the battery cell and the shell. The detection assembly comprises an adsorption part, a transfer port, an air pressure detection part and a negative pressure part, wherein the adsorption part is arranged on the compression assembly, a plurality of through holes are formed in the adsorption part, the through holes are respectively communicated with the transfer port, the air pressure detection part is communicated with the transfer port, the negative pressure part is communicated with the air pressure detection part, the negative pressure part is used for exhausting the through holes so that the through holes form a negative pressure state, the air pressure detection part is electrically connected with the early warning module, the air pressure detection part is used for detecting an air pressure change value in the transfer port, and the early warning module is used for judging the relative position between the battery cell and the shell and carrying out early warning based on the air pressure change value. Optionally, two battery cells are provided, and the two battery cells are respectively arranged at two sides of the shell along the first direction; the two pressing detection mechanisms are respectively arranged at two sides of the working area along the first direction, and each pressing detection mechanism can move relative to the working area along the first direction. Optionally, the compressing assembly comprises a first driving piece and a compressing block, wherein the first driving piece is arranged on at least one side of the base along the first direction, the compressing block is connected with the first driving piece, and the first driving piece is used for driving the compressing block to move along the first direction so as to compress the battery cell assembly. The battery cell assembly comprises a shell, a battery cell assembly body, a battery cell, a shapin