EP-4738493-A1 - LAYING AND ATTACHING ASSEMBLY, ADHESIVE ATTACHING METHOD, AND BATTERY PRODUCTION LINE

EP4738493A1EP 4738493 A1EP4738493 A1EP 4738493A1EP-4738493-A1

Abstract

A laying and attaching assembly, an adhesive attaching method, and a battery production line. The laying and attaching assembly comprises a transfer unit (1), lifting devices (2) and laying and attaching devices (3). The lifting devices (2) are arranged on the transfer unit (1), the transfer unit (1) being used for driving the lifting devices (2) to move, and a plurality of the lifting devices (2) being provided. The laying and attaching devices (3) are used for vacuum-fixing adhesive sheets (300), each lifting device (2) being correspondingly provided with a laying and attaching device (3), and each lifting device (2) being used for driving the corresponding laying and attaching device (3) to ascend and descend. The transfer unit (1) drives the lifting devices (2) to move so as to adjust the position of the adhesive sheets (300) vacuum-fixed to the laying and attaching devices (3), and the lifting devices (2) drive the corresponding laying and attaching devices (3) to ascend and descend so as to vacuum-fix corresponding adhesive sheets (300), such that the distance between the adhesive sheets (300) vacuum-fixed to the laying and attaching devices (3) can be regulated, thereby better implementing adhesive attaching to surfaces of both single-row grouped battery cells and double-row grouped battery cells.

Inventors

WU, KAI
CHEN, Jingxian
LI, YANG
CHEN, WENTAO
QIU, Leigang
LIAO, Shunlin

Assignees

Contemporary Amperex Technology Co., Limited

Dates

Publication Date: 20260506
Application Date: 20231219

Claims (14)

A laying and applying assembly, comprising: a transfer device; lifting apparatuses arranged on the transfer device, the transfer device being configured to drive the lifting apparatuses to move, and a plurality of lifting apparatuses being provided; and laying and applying apparatuses configured to adsorb adhesive sheets, each lifting apparatus being correspondingly provided with a laying and applying apparatus, and each lifting apparatus being configured to drive the corresponding laying and applying apparatus to lift up and down.
The laying and applying assembly according to claim 1, wherein the laying and applying apparatuses are located at bottom portions of the corresponding lifting apparatuses.
The laying and applying assembly according to claim 1 or 2, wherein each laying and applying apparatus comprises: an airflow distributor having a plurality of air chambers and air pumping connectors, the plurality of air chambers being isolated from one another, and each air chamber communicating with the corresponding air pumping connector; and a suction assembly which is connected to the airflow distributor and is provided with an adsorption portion configured to adsorb the adhesive sheet, the adsorption portion being located on the side, deviating from the airflow distributor, of the suction assembly, and each air chamber communicating with the corresponding adsorption portion.
The laying and applying assembly according to claim 3, wherein the air pumping connectors are located on outer side surfaces of the airflow distributors, and the arrangement directions of the airflow distributors and the suction assemblies are crossed with the orientations of the air pumping connectors.
The laying and applying assembly according to claim 4, wherein each air chamber communicates with at least two air pumping connectors in different orientations.
The laying and applying assembly according to claim 5, wherein one of air chambers is an edge air chamber, and the edge air chamber comprises a first sub-chamber and a second sub-chamber which are in communication with each other; the first sub-chamber extends in a first direction, the second sub-chamber extends in a second direction, and the first direction and the second direction are arranged in a crossed mode; the first direction and the second direction are both arranged in a mode of being crossed with the arrangement directions of the airflow distributors and the suction assemblies; the air pumping connector communicating with the first sub-chamber is a first air pumping connector, and the first air pumping connector is located at the end, deviating from the second sub-chamber in the first direction, of the first sub-chamber; the air pumping connector communicating with the second sub-chamber is a second air pumping connector, and the second air pumping connector is located at the end, deviating from the first sub-chamber in the second direction, of the second sub-chamber.
The laying and applying assembly according to claim 6, wherein in all the air chambers, the air chambers except the edge air chamber are auxiliary air chambers; the auxiliary air chambers are located on the side, facing the second air pumping connector, of the first sub-chamber; and the auxiliary air chambers are located on the side, facing the first air pumping connector, of the second sub-chamber.
The laying and applying assembly according to claim 7, wherein at least two auxiliary air chambers are provided, one of the auxiliary air chambers is a first auxiliary air chamber, and the other auxiliary air chamber is a second auxiliary air chamber; the second auxiliary air chamber is located on the side, deviating from the edge air chamber, of the first auxiliary air chamber; and the first auxiliary air chamber crosses the side of the second auxiliary air chamber in the first direction and the side of the second auxiliary air chamber in the second direction.
The laying and applying assembly according to any one of claims 3 to 8, wherein the suction assemblies comprise: suction nozzles installed on the airflow distributor, each air chamber communicating with the corresponding suction nozzle, and the adsorption portions being formed on the suction nozzles; and protective blocks which are connected to the sides, facing the suction nozzles, of the airflow distributors and are provided with avoiding holes, the avoiding holes penetrating through the protective blocks, the suction nozzles being arranged in the avoiding holes in a penetrating mode, and the suction nozzles partially protruding out of the sides, deviating from the airflow distributors, of the protective blocks.
An adhesive applying method, comprising: if any laying and applying apparatus does not adsorb an adhesive sheet when separating from the adhesive sheet on a preparation table, driving a lifting apparatus to move through a transfer device, so as to move the laying and applying apparatus which does not adsorb the adhesive sheet to a pre-adsorption position above the adhesive sheet on the preparation table; driving the laying and applying apparatus to move downwards by the corresponding lifting apparatus, so as to move the laying and applying apparatus from the pre-adsorption position to the adsorption position of the adhesive sheet on the preparation table; when any laying and applying apparatus is located at the adsorption position, adsorbing the adhesive sheet by the laying and applying apparatus; driving the laying and applying apparatus which adsorbs the adhesive sheet at the adsorption position to move upwards to the pre-adsorption position by the corresponding lifting apparatus; and moving the adhesive sheet adsorbed by the laying and applying apparatus to a surface of an object to be adhered by the transfer device for laying and applying.
The adhesive applying method according to claim 10, wherein when any laying and applying apparatus is located at the adsorption position, adsorbing the adhesive sheet by the laying and applying apparatus comprises: when any laying and applying apparatus is located at the adsorption position, sucking a corresponding air chamber of the laying and applying apparatus into negative pressure by an air pumping connector of the corresponding laying and applying apparatus, so as to make a suction assembly of the corresponding laying and applying apparatus adsorb adhesive sheets with different sizes and specifications.
An adhesive applying method, comprising: according to a size of an adhesive sheet on a preparation table and a position of the adhesive sheet on the preparation table relative to the preparation table, generating a motion trail of each laying and applying apparatus; if any laying and applying apparatus does not adsorb the adhesive sheet when separating from the adhesive sheet on the preparation table, selecting the laying and applying apparatus to be adsorbed with the adhesive sheet as a target laying and applying apparatus; transmitting a first moving instruction according to the motion trail corresponding to the target laying and applying apparatus, the first moving instruction being used for controlling a transfer device to drive a lifting apparatus to drive the target laying and applying apparatus to move, so as to move the target laying and applying apparatus to a pre-adsorption position above the adhesive sheet on the preparation table; when the target laying and applying apparatus is located at the pre-adsorption position, transmitting a second moving instruction, the second moving instruction being used for controlling the corresponding lifting apparatus to drive the target laying and applying apparatus to move, so as to move the target laying and applying apparatus from the pre-adsorption position to an adsorption position of the adhesive sheet on the preparation table; when the target laying and applying apparatus is at the adsorption position, transmitting an adhesive sheet adsorption instruction, the adhesive sheet adsorption instruction being used for controlling the target laying and applying apparatus at the adsorption position to adsorb the adhesive sheet; when the target laying and applying apparatus at the adsorption position adsorbs the adhesive sheet, transmitting a lift-up instruction, the lift-up instruction being used for controlling the corresponding lifting apparatus to drive the target laying and applying apparatus to move from the adsorption position to the pre-adsorption position; and transmitting a third moving instruction according to the position of the laying and applying apparatus relative to an object to be adhered, the third moving instruction being used for controlling the transfer device to drive the lifting apparatus to move the laying and applying apparatus which is adsorbed with the adhesive sheet, so as to move the adhesive sheet adsorbed by the laying and applying apparatus to the surface of the object to be adhered for laying and applying.
The adhesive applying method according to claim 12, wherein when the target laying and applying apparatus is at the adsorption position, transmitting an adhesive sheet adsorption instruction, the adhesive sheet adsorption instruction being used for controlling the target laying and applying apparatus at the adsorption position to adsorb the adhesive sheet comprises: according to the size of the adhesive sheet and the position of the adhesive sheet relative to the target laying and applying apparatus, selecting an air chamber to be sucked into negative pressure from all air chambers; and when the target laying and applying apparatus is at the adsorption position, transmitting the adhesive sheet adsorption instruction according to the selected air chamber to be sucked into the negative pressure, so as to drive the laying and applying assembly to suck the air chamber corresponding to the laying and applying apparatus into the negative pressure through the air pumping connector of the laying and applying apparatus according to the adhesive sheet adsorption instruction.
A battery production line, comprising: the laying and applying assembly according to any one of claims 1 to 9; a preparation table configured to store adhesive sheets to be applied, the laying and applying apparatus being configured to adsorb the adhesive sheets on the preparation table; and a conveying apparatus, configured to convey grouped battery cells, the transfer device driving the lifting apparatus to move to drive the laying and applying apparatus to apply the adsorbed adhesive sheets to the battery cells on the conveying apparatus.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS The present invention claims priority to Chinese Patent Application 202311289754.9, entitled "LAYING AND APPLYING ASSEMBLY, ADHESIVE APPLYING METHOD, AND BATTERY PRODUCTION LINE" filed on October 8, 2023, which is incorporated by reference in the present invention. TECHNICAL FIELD The present invention relates to the technical field of battery production, and specifically relates to a laying and applying assembly, an adhesive applying method, and a battery production line. BACKGROUND New energy batteries are more and more widely used in life and industry, for example, new energy automobiles equipped with batteries have been widely used, and batteries are increasingly used in the field of energy storage. In related technologies, it is needed to apply adhesive to surfaces of grouped battery cells, so that a plurality of grouped battery cells can be bonded to be battery modules. Laying and applying assemblies are difficult to implement adhesive applying to surfaces of both single-row grouped battery cells and double-row grouped battery cells. SUMMARY In order to solve above technical problems, the present invention provides a laying and applying assembly, an adhesive applying method, and a battery production line, aiming at better implementing adhesive applying to surfaces of both single-row grouped battery cells and double-row grouped battery cells. The present invention is implemented by the following technical solution. In a first aspect, the embodiment of the present invention provides a laying and applying assembly, which includes: a transfer device;lifting apparatuses arranged on the transfer device, the transfer device being configured to drive the lifting apparatuses to move, and a plurality of lifting apparatuses being provided; andlaying and applying apparatuses configured to adsorb adhesive sheets, each lifting apparatus being correspondingly provided with a laying and applying apparatus, and each lifting apparatus being configured to drive the corresponding laying and applying apparatus to lift up and down. In the embodiment of the present invention, the transfer device drives the corresponding lifting apparatus to move so as to adjust the position of each laying and applying apparatus, and the plurality of lifting apparatuses independently drive the corresponding laying and applying apparatuses to lift up and down so as to adjust the spacing between adhesive sheets adsorbed by the plurality of the laying and applying apparatuses, thereby better implementing adhesive applying to surfaces of both single-row grouped battery cells and double-row grouped battery cells by the laying and applying assembly. In one embodiment, the laying and applying apparatuses are located at bottom portions of the corresponding lifting apparatuses. In the embodiment of the present invention, the interference between corresponding negative pressure connecting pipes and parts above the laying and applying apparatuses can be reduced through the position arrangement of the laying and applying apparatuses. In one embodiment, each laying and applying apparatus includes: an airflow distributor having a plurality of air chambers and air pumping connectors, the plurality of air chambers being isolated from one another, and each air chamber communicating with the corresponding air pumping connector; anda suction assembly which is connected to the airflow distributor and is provided with an adsorption portion configured to adsorb the adhesive sheet, the adsorption portion being located on the side, deviating from the airflow distributor, of the suction assembly, and each air chamber communicating with the corresponding adsorption portion. In the embodiment of the present invention, the corresponding air chambers are sucked into negative pressure so as to adapt to the adsorption of adhesive sheets with different sizes and specifications. For the adhesive sheet with a small size, part of the air chambers are sucked into negative pressure, so that the laying and applying apparatuses can adsorb the adhesive sheet, and the energy consumption can be reduced. In one embodiment, the air pumping connectors are located on outer side surfaces of the airflow distributors, and the arrangement directions of the airflow distributors and the suction assemblies are crossed with the orientations of the air pumping connectors. In the embodiment of the present invention, the position and orientation arrangement of the air pumping connectors is beneficial to reducing the interference between the corresponding negative pressure connecting pipes and the parts on the side, deviating from the suction assemblies, of the airflow distributors. In one embodiment, each air chamber communicates with at least two air pumping connectors in different orientations. In the embodiment of the present invention, the at least two air pumping connectors in different orientations can make the negative pressure implemented by sucking