KR-20260064726-A - Battery processing device and processing method

KR20260064726AKR 20260064726 AKR20260064726 AKR 20260064726AKR-20260064726-A

Abstract

The present application discloses a battery processing device and a processing method, wherein the battery processing device comprises a material conveyor assembly, a pairing assembly, and a welding assembly. The material conveyor assembly is used to transport a first electrode assembly and a second electrode assembly, wherein the first electrode assembly and the second electrode assembly each comprise an electrode body and an electrode tab portion installed on the electrode body. The pairing assembly is used to pair the first electrode assembly and the second electrode assembly so that the electrode body of the first electrode assembly and the electrode body of the second electrode assembly are stacked together. The welding assembly is used to weld the electrode tab portion of the paired first electrode assembly and the electrode tab portion of the second electrode assembly together. In the manner described above, the production efficiency of the battery cell can be improved.

Inventors

우, 카이
장, 용리
순, 웨이웨이
탕, 웬시앙
판, 웬쉥
판, 시앙

Assignees

컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드

Dates

Publication Date: 20260507
Application Date: 20240527
Priority Date: 20231130

Claims (20)

As a battery processing device, the battery processing device is: A material conveyor assembly used for transporting a first electrode assembly and a second electrode assembly—the first electrode assembly and the second electrode assembly each include an electrode body and an electrode tab installed on the electrode body; A pairing assembly used to pair the first electrode assembly and the second electrode assembly so that the electrode body of the first electrode assembly and the electrode body of the second electrode assembly are stacked together; A battery processing device characterized by including a welding assembly used to weld the electrode tab portion of the first electrode assembly and the electrode tab portion of the second electrode assembly to each other.
A battery processing device according to claim 1, wherein the material conveyor assembly comprises a first branch conveyor line and a second branch conveyor line, wherein the first branch conveyor line is used to transport a plurality of the first electrode assemblies and the second branch conveyor line is used to transport a plurality of the second electrode assemblies.
A battery processing device according to claim 2, wherein the material conveyor assembly also includes a total conveyor line and a sorting mechanism, the total conveyor line is used to transport the plurality of first electrode assemblies and the plurality of second electrode assemblies, and the sorting mechanism is used to sort the first electrode assemblies from the total conveyor line to the first branch conveyor line and to sort the second electrode assemblies from the total conveyor line to the second branch conveyor line.
In paragraph 3, the first branch conveyor line and the second branch conveyor line are each connected to a total conveyor line to form a first connection point and a second connection point, the first connection point is located upstream of the second connection point, and the sorting mechanism includes a sorting detection member, a guide member, and a guide driving member, the sorting detection member is installed on the total conveyor line and is located upstream of the first connection point, the sorting detection member is used to detect whether an object flowing to the first connection point is the first electrode assembly or the second electrode assembly, the guide member is installed at the first connection point, and the guide driving member drives the guide member to a first position in response when an object reaching the first connection point is the first electrode assembly, thereby causing the first electrode assembly to flow to the first branch conveyor line through the action of the guide member; A battery processing device characterized in that the guide driving member drives the guide member to a second position in response to the case where the object reached at the first connection point is the second electrode assembly, thereby causing the second electrode assembly to continue flowing along the total conveyor line to the second connection point.
A battery processing device according to claim 2, wherein the material conveyor assembly comprises a first branch return line and a second branch return line, wherein the first branch conveyor line is used to transport a first tray and a first electrode assembly loaded on the first tray, and the second branch conveyor line is used to transport a second tray and a second electrode assembly loaded on the second tray, wherein the first branch return line is used to return the first tray and the second branch return line is used to return the second tray.
A battery processing device according to claim 5, wherein the first branch conveyor line and the second branch conveyor line are installed side by side along the horizontal direction, the first branch return line is located below the first branch conveyor line along the vertical direction, and the second branch return line is located below the second branch conveyor line along the vertical direction.
A battery processing device according to claim 6, wherein the battery processing device includes a transmission mechanism, the transmission mechanism is used to transmit the first tray in the first branch conveyor line to the first branch return line and/or transmit the second tray in the second branch conveyor line to the second branch return line.
A battery processing device according to claim 7, wherein the transmission mechanism comprises a transmission platform, a transmission conveyor belt, a belt drive member, and a platform drive member, wherein the transmission conveyor belt is installed on the transmission platform, the belt drive member drives the transmission conveyor belt to move the first tray and/or second tray into or out of the transmission platform, and the platform drive member drives the transmission platform along the vertical direction so that the transmission platform selectively docks with the first branch conveyor line or the first branch return line, and/or the transmission platform selectively docks with the second branch conveyor line or the second branch return line.
A battery processing device according to claim 5, wherein the material conveyor assembly also includes a total return line and a busbar mechanism, and the busbar mechanism is used to join a first tray in the first branch return line and a second tray in the second branch return line to the total return line.
A battery processing device according to claim 1, wherein the battery processing device also includes a detection assembly for detecting the first electrode assembly and the second electrode assembly, and the pairing assembly is installed to perform pairing based on the detection state of the first electrode assembly and the second electrode assembly.
A battery processing device according to claim 10, wherein the detection assembly comprises a first detection conveyor line, a second detection conveyor line, a first detection mechanism, a second detection mechanism, and a detection loading mechanism, wherein the detection loading mechanism picks up the first electrode assembly and the second electrode assembly from the material conveyor assembly and places them on the first detection conveyor line and the second detection conveyor line, respectively, and the first detection conveyor line is driven so that the first electrode assembly passes through the first detection mechanism, and the second detection conveyor line is driven so that the second electrode assembly passes through the second detection mechanism.
A battery processing device according to claim 11, wherein the material conveyor assembly comprises a first branch conveyor line and a second branch conveyor line, wherein the first branch conveyor line is used to transport a plurality of first electrode assemblies and the second branch conveyor line is used to transport a plurality of second electrode assemblies, and the detection loading mechanism comprises a first detection loading mechanism and a second detection loading mechanism, wherein the first detection loading mechanism is used to pick up the first electrode assembly from the first branch conveyor line and place it on the first detection conveyor line, and the second detection loading mechanism is used to pick up the second electrode assembly from the second branch conveyor line and place it on the second detection conveyor line, and wherein the pickup and placement operations of the first detection loading mechanism and the second detection loading mechanism are relatively independent.
A battery processing device according to claim 10, wherein the pairing assembly comprises a pairing loading mechanism, a sorting mechanism, a stacking mechanism, and a first pairing conveyor line and a second pairing conveyor line installed side by side, wherein the pairing loading mechanism is installed to pick up the first electrode assembly and the second electrode assembly in pairs and place them on the first pairing conveyor line and the second pairing conveyor line, respectively, the sorting mechanism is installed to pair the first electrode assembly and the second electrode assembly in a passing state, and the stacking mechanism is installed to stack the electrode body of the paired first electrode assembly and the electrode body of the second electrode assembly.
A battery processing device according to claim 13, wherein the pairing includes the step of directly using the first electrode assembly and the second electrode assembly picked up as a pair as the paired first electrode assembly and the second electrode assembly when both are in a passing state.
A battery processing device according to claim 13, wherein the battery processing device is provided with a rejected product recovery zone, and the pairing includes the step of selecting the first electrode assembly and/or the second electrode assembly in a rejected state to the rejected product recovery zone when at least one of the first electrode assembly and the second electrode assembly picked up as a pair is in a rejected state.
In item 15, the battery processing device is equipped with a first temporary storage area for approved products corresponding to the first electrode assembly and a second temporary storage area for approved products corresponding to the second electrode assembly, and The pairing comprises the step of, when the first electrode assembly among the first electrode assembly and the second electrode assembly picked up as a pair is in a passing state and the second electrode assembly is in a failing state, and the second electrode assembly is not present in the second passing product temporary storage area, selecting the first electrode assembly to the first passing product temporary storage area and selecting the second electrode assembly in a failing state to the failing product recovery area; or, A battery processing device characterized by including the step of, when the first electrode assembly among the first electrode assembly and the second electrode assembly picked up in the pair is in a rejected state and the second electrode assembly is in a accepted state, and the first electrode assembly is not present in the first accepted product temporary storage area, sorting the first electrode assembly in a rejected state to the rejected product recovery area and sorting the second electrode assembly to the second accepted product temporary storage area.
In item 15, the battery processing device is equipped with a first temporary storage area for approved products corresponding to the first electrode assembly and a second temporary storage area for approved products corresponding to the second electrode assembly; The pairing comprises the step of, when the first electrode assembly among the first electrode assembly and the second electrode assembly picked up as a pair is in a passing state and the second electrode assembly is in a failing state and the second electrode assembly is present in the second passing product temporary storage area, sorting the second electrode assembly in a failing state to the failing product recovery area and moving the second electrode assembly in the second passing product temporary storage area back to the second pairing conveyor line; or, A battery processing device characterized by including the step of, when the first electrode assembly among the first electrode assembly and the second electrode assembly picked up as a pair is in a rejected state and the second electrode assembly is in a accepted state, and the first electrode assembly is present in the first accepted temporary storage area, sorting the first electrode assembly in a rejected state to the rejected product recovery area and moving the first electrode assembly in the first accepted temporary storage area back to the first pairing conveyor line.
A battery processing device according to claim 15, wherein the first pairing conveyor line and the second pairing conveyor line extend along a first horizontal direction and are installed side by side along a second horizontal direction perpendicular to the first horizontal direction, and the sorting mechanism includes a first sorting pickup mechanism, a second sorting pickup mechanism, and a sorting driving mechanism, wherein the sorting driving mechanism drives the first sorting pickup mechanism and the second sorting pickup mechanism along the second horizontal direction, and the first sorting pickup mechanism and the second sorting pickup mechanism are each installed to pick up the first electrode assembly and the second electrode assembly from the first pairing conveyor line and the second pairing conveyor line, respectively.
A battery processing device according to claim 18, wherein the rejected item recovery zone comprises a first recovery zone located on one side of the first pairing conveyor line far from the second pairing conveyor line, and a second recovery zone located between the first pairing conveyor line and the second pairing conveyor line, wherein the sorting drive mechanism is installed to drive the second sorting pickup mechanism to place the second electrode assembly in a rejected state into the second recovery zone and to drive the first sorting pickup mechanism to place the first electrode assembly in a rejected state into the first recovery zone, and wherein the sorting drive mechanism is also installed to drive the first sorting pickup mechanism to pick up the second electrode assembly from the second recovery zone and place it into the first recovery zone.
A battery processing device according to claim 19, characterized in that the first recovery zone includes a recovery conveyor belt for transporting the first electrode assembly and/or the second electrode assembly in a rejected state.

Description

Battery processing device and processing method This application relates to the technical field of battery assembly, and in particular to a battery processing device and a processing method. With the advancement of battery technology, batteries are being applied in an increasing number of fields and are gradually replacing traditional fossil fuels in the automotive power sector. Batteries can store chemical energy and controllably convert it into electrical energy. In the case of recyclable batteries, they can be continuously used by reactivating the active material through charging after discharge. A battery cell typically consists of a housing and two electrode assemblies housed within it. During the battery assembly process, the two electrode assemblies must be mounted within the housing. However, conventional battery processing devices suffer from low production efficiency due to the difficulty of entering the housing when mounting the two electrode assemblies. By reading the detailed description of the preferred embodiments below, various other advantages and benefits will become apparent to those skilled in the art. The drawings are used merely to illustrate preferred embodiments and should not be construed as a limitation to this application. Additionally, the same parts are indicated by the same drawing symbols in all drawings. In the drawings: FIG. 1 is a structural schematic diagram of a vehicle to which an electrode assembly according to one or more embodiments is applied; FIG. 2 is a schematic diagram of the exploded structure of a battery in which an electrode assembly according to one or more embodiments is located; FIG. 3 is an exploded structural schematic diagram of a battery cell in which an electrode assembly according to one or more embodiments is located; FIG. 4 is a partial structural schematic diagram of an electrode assembly according to one or more embodiments; FIG. 5 is a structural schematic diagram of a battery processing device according to one or more embodiments; FIG. 6 is a structural schematic diagram of a first electrode assembly and a second electrode assembly after welding according to one or more embodiments; FIG. 7 is a partial structural schematic diagram of a material conveyor assembly according to one or more embodiments; FIG. 8 is a structural schematic diagram of a material conveyor assembly according to one or more embodiments when docked to a transfer mechanism; FIG. 9 is a structural schematic diagram of a transmission mechanism according to one or more embodiments; FIG. 10 is a structural schematic diagram of a pairing assembly according to one or more embodiments; FIG. 11 is a schematic diagram of the mounting structure of a stacking mechanism according to one or more embodiments; FIG. 12 is a structural schematic diagram of part B of the pairing assembly illustrated in FIG. 10; FIG. 13 is a structural schematic diagram of part C of the mounting structure of the stacking mechanism shown in FIG. 11; FIG. 14 is a structural schematic diagram of a flipping mechanism according to one or more embodiments; FIG. 15 is a structural schematic diagram when a first positioning assembly and a first coating assembly according to one or more embodiments drive a coating film and an electrode assembly; FIG. 16 is a structural schematic diagram when a first positioning assembly and a first coating assembly according to one or more embodiments drive a coating film and an electrode assembly; FIG. 17 is a schematic diagram of a process of coating an electrode assembly with a coating film according to one or more embodiments; FIG. 18 is a structural schematic diagram of a first positioning assembly according to one or more embodiments; FIG. 19 is a partial structural schematic diagram of a first covering assembly according to one or more embodiments; FIG. 20 is a structural schematic diagram in which a second positioning assembly positions an electrode assembly according to one or more embodiments; FIG. 21 is a structural schematic bottom view of a second positioning assembly according to one or more embodiments; FIG. 22 is a structural schematic diagram when a second coating assembly according to one or more embodiments drives a coating film and an electrode assembly; FIG. 23 is a structural schematic diagram of a second covering assembly according to one or more embodiments; FIG. 24 is a partial structural schematic diagram when the second coating assembly shown in FIG. 12 drives the coating film and the electrode assembly; FIG. 25 is a structural schematic diagram of the coating film and electrode assembly shown in FIG. 12; FIG. 26 is a structural schematic diagram of a coated device according to one or more embodiments; FIG. 27 is a structural schematic diagram of a coating film and an electrode assembly with a first tape and a second tape attached according to one or more embodiments; FIG. 28 is a structural schematic diagram of a first tape attachment assembly according to o