CN110562731A

CN110562731A - method for screening and transmitting anode and cathode battery cell directions

Info

Publication number: CN110562731A
Application number: CN201910832039.2A
Authority: CN
Inventors: 叶庆丰; 肖申; 牟东; 孙庆; 杜留伟
Original assignee: Bozhon Precision Industry Technology Co Ltd
Current assignee: Bozhon Precision Industry Technology Co Ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2019-12-13
Anticipated expiration: 2039-09-04
Also published as: CN110562731B

Abstract

The application relates to a method for screening and transmitting anode and cathode battery cells in different directions, which comprises the following steps: providing a core box which is provided with a plurality of rows of cells with the same polarity orientation, and controlling the turning insertion row to grab two rows of cells in the box; controlling the two rows of the steering power strip to rotate to the horizontal direction along the opposite direction; controlling the steering power strip to move above the conveyor belt, and respectively releasing the two rows of the grabbed battery cells onto the first conveyor belt and the second conveyor belt; controlling the moving frame to move to the middle of the cell stopping positions of the first conveyor belt and the second conveyor belt, aligning the clamping grooves on the moving frame with the cells on the first conveyor belt and the second conveyor belt, and controlling the push rods on the side surfaces of the first conveyor belt and the second conveyor belt to selectively push the cells on the first conveyor belt and the second conveyor belt into the clamping grooves according to the arrangement requirements of the positive and negative cells to form a row of cells with positive and negative electrodes facing the cells arranged according to requirements; the control removes the frame and removes the electric core to the play work or material rest on, positive negative pole electric core branch is accomplished to the screening transmission.

Description

method for screening and transmitting anode and cathode battery cell directions

Technical Field

The application belongs to the technical field of battery assembly, and particularly relates to a method for screening and transmitting anode and cathode battery cores in different directions.

Background

The lithium battery cell is the main practical electric core at present, by the field such as wide application in notebook computer, portable power source, electric tool, electric bicycle, electric motorcycle car, solar energy storage power, wind energy storage power, basic station energy storage power. The lithium battery cells are required to be assembled to form a battery pack before being actually put into use, and the battery pack is usually formed by assembling a plurality of types of the battery cells according to fixed quantity, proportion and anode and cathode directions, so that the battery cells which are not arranged in the anode and cathode directions need to be divided before the battery pack is assembled.

Disclosure of Invention

the technical problem to be solved by the invention is as follows: the method for screening and transmitting the positive and negative electrode cell directions is provided for solving the problem that the positive and negative electrode directions of the cell are difficult in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a method for screening and transmitting anode and cathode battery cell components comprises the following steps:

Providing a battery cell box which is provided with a plurality of rows of battery cells with the same polarity orientation, and placing the battery cell box right below a steering power strip with two rows of power strips;

Step two, controlling the steering power strip to grab two rows of electric cores in the box;

Step three, controlling the two rows of the turning plug rows to rotate to the horizontal direction along the opposite direction so as to enable the polarity directions of the battery cores in the slots of the turning plug rows to be opposite;

step four, controlling the steering power strip to move above the conveyor belt, and respectively releasing the two rows of the grabbed battery cells onto the first conveyor belt and the second conveyor belt;

step five, respectively transmitting two rows of battery cells to battery cell stop positions through a first conveyor belt and a second conveyor belt;

Controlling the moving frame to move to the middle of the cell stopping positions of the first conveyor belt and the second conveyor belt, aligning clamping grooves on the moving frame with the cells on the first conveyor belt and the second conveyor belt, and controlling push rods on the side surfaces of the first conveyor belt and the second conveyor belt to selectively push the cells on the first conveyor belt and the second conveyor belt into the clamping grooves according to the arrangement requirements of the positive and negative cells to form a row of cells with positive and negative electrodes facing the direction arranged according to the requirement;

And step seven, controlling the movable frame to move the battery cell to the discharge frame, and completing the screening and transmission of the positive and negative battery cells.

Preferably, the method for screening and transmitting the anode and cathode cell components in the invention,

Before the movable frame is controlled to move the battery cores to the discharge frame in the step eight, the movable frame is made to pass through the battery core turnover mechanism, and the code scanning recording mechanism is used for scanning the code of each battery core so as to record the position of each battery core.

In the seventh step, the moving frame comprises a front end and a rear end, and when the front end of the moving frame is controlled to reach the battery cell turnover mechanism, the rear end of the moving frame reaches the middle of the battery cell stop positions of the first conveyor belt and the second conveyor belt, so that the clamping grooves at the upper rear end of the moving frame are aligned with the battery cells on the first conveyor belt and the second conveyor belt;

when the battery cell turnover mechanism scans codes, the push rod selectively pushes the battery cells on the first conveyor belt and the second conveyor belt into the clamping grooves at the rear end of each movable frame;

The front end of the moving frame reaches the discharging frame, and the rear end of the moving frame reaches the battery cell turnover mechanism.

Preferably, in the method for screening and transmitting the positive and negative battery cells in the component direction, the moving frame can move in a vertical direction, so that the battery cells are transferred between the moving frame and the battery cell overturning mechanism, or the battery cells are placed on the discharging frame from the moving frame.

Preferably, in the method for screening and transmitting the positive and negative electrode cell components of the present invention, the conveyor belt, the cell turnover mechanism, and the discharge frame are all hollowed out to allow the movable frame to pass through

Preferably, according to the method for screening and transmitting the anode and cathode battery cells, the battery cell overturning mechanism can drive the battery cell to rotate around the axis of the battery cell overturning mechanism.

preferably, in the method for screening and transmitting the directions of the positive and negative battery cells, a plurality of cylinders are arranged at the battery cell stopping position on the side surfaces of the first conveyor belt and the second conveyor belt, and each cylinder is independently controlled to push the battery cell into a different clamping groove.

preferably, in the method for screening and transmitting the directions of the positive and negative battery cells, a sensor is further disposed at a battery cell stop position on the side surfaces of the first conveyor belt and the second conveyor belt, and is used for sensing the number of the battery cells on the first conveyor belt and the second conveyor belt, and when the difference between the number of the battery cells on the first conveyor belt and the number of the battery cells on the second conveyor belt exceeds the number of the battery cells grabbed by one row of the socket, the socket is turned to only release the battery cells to the conveyor belt with a small number of battery cells.

Preferably, in the eighth step, the battery cell is rotated from the horizontal state to the vertical state by the discharging frame, and then the battery cell is taken away by the manipulator.

preferably, in the third step, the driving member controls the first steering socket to rotate, and the gear drives the second steering socket to rotate, so that the first steering socket and the second steering socket rotate to the horizontal direction along the opposite direction, and the battery cores in the slots of the first steering socket and the second steering socket face opposite directions.

the invention has the beneficial effects that: can make original positive negative pole orientation unanimous multirow electricity core according to setting for to certain positive negative pole orientation is arranged and is reorganized into one row of inconsistent and controllable electric core group of positive negative pole orientation on the storage rack, has made things convenient for the electric core arrangement work before the battery package equipment greatly, has avoided the manual work to arrange electric core, has realized high automated production.

Drawings

The technical solution of the present application is further explained below with reference to the drawings and the embodiments.

Fig. 1 is a schematic view of an overall structure of a positive-negative electrode cell direction dividing device according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a steering row insert according to an embodiment of the present disclosure before rotation;

FIG. 3 is a schematic structural view of the steering row of the embodiment of the present application after rotation;

FIG. 4 is a schematic illustration of a conveyor belt configuration according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a cell turnover mechanism and a code scanning recording mechanism in an embodiment of the application;

FIG. 6 is a schematic view of a discharge frame of an embodiment of the present application in a pre-rotation state;

FIG. 7 is a schematic view of a discharge frame according to an embodiment of the present disclosure in a rotated state;

Fig. 8 is a schematic diagram of the arrangement of the cartridge cells to be distributed in the cartridge according to the embodiment of the present application;

Fig. 9 is a schematic view of an operation state of a cell pushing mechanism according to an embodiment of the present application;

Fig. 10 is a schematic diagram of the arrangement state of the conveyor belt, the cell turnover mechanism and the discharge frame in the embodiment of the application.

the reference numbers in the figures are:

1-turn power strip

2 electric core pushing mechanism

3 moving rack

4 conveyor belt

5 sweep a yard record mechanism

6 discharging rack

7 electric core tilting mechanism

8 mechanical arm

11 first steering socket

12 second steering socket

13 Gear

14 driving element

15 inserting groove

21 push rod

31 card slot

41 first conveyor belt

42 second conveyor belt

43 guard bar

61 storage tank

71 roller

431 opening

A electric core

And B, boxes.

Detailed Description

it should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

in the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.

The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

example 1

The present embodiment provides a positive and negative electrode cell direction dividing device, as shown in fig. 1 to 4, including:

The battery pack comprises a steering power strip 1, wherein the steering power strip 1 comprises a first steering power strip 11 and a second steering power strip 12, and the first steering power strip 11 and the second steering power strip 12 are respectively provided with a row of slots 15 capable of fixing or releasing battery cells; the first steering socket 11 and the second steering socket 12 are arranged in parallel side by side, and the first steering socket 11 and the second steering socket 12 can rotate in opposite directions under the driving of the driving part 14 to enable the slots 15 of the first steering socket 11 and the second steering socket 12 to face opposite directions;

the conveyor belt 4 is used for transmitting and concentrating the battery cells released by the steering power strip 1, and comprises a first conveyor belt 41 and a second conveyor belt 42, wherein the first conveyor belt 41 and the second conveyor belt 42 are respectively located at two sides of the first conveyor belt 41 and the second conveyor belt 42 side by side and are used for respectively receiving the battery cells released by the first steering power strip 11 and the second steering power strip 12; one end of each of the first conveyor belt 41 and the second conveyor belt 42 is provided with a baffle for blocking the battery cells, and the baffles enable the battery cells conveyed on the conveyor belt 4 to be concentrated at one end provided with the baffles;

the battery cell loading device comprises a moving frame 3, wherein clamping grooves 31 for loading battery cells are arranged in rows on the moving frame 3, and the moving frame 3 is connected with a driving mechanism and can move between a first conveyor belt 41 and a second conveyor belt 42 and enable the clamping grooves 31 to be aligned with the battery cells on the first conveyor belt 41 and the second conveyor belt 42;

the cell pushing mechanism 2 is provided with two rows of push rods 21 positioned at two sides of the first conveyor belt 41 and the second conveyor belt 42, and the push rods 21 can selectively push a certain cell at one end of the gathered cell on the first conveyor belt 41 and the second conveyor belt 42 into the clamping groove 31; each push rod 21 is connected with a separate driving piece;

And the discharging frame 6 is used for receiving the battery cores transferred from the conveyor belt 4 by the moving frame 3.

the positive and negative electrode cell direction dividing device of this embodiment has the working principle that:

as shown in fig. 2, the first turning row 11 and the second turning row 12 grasp two rows of cells a in the cassette B shown in fig. 8 from the vertical direction, and the positive electrode orientations of the cells a in the cassette B are consistent, so that when the first turning row 11 and the second turning row 12 shown in fig. 3 are turned to the horizontal position, the cells a in the two rows face oppositely;

subsequently, after the first and second steering rows 11 and 12 move to the first and second conveyors 41 and 42, the cells are released, and the two rows of cells are conveyed to the end of the baffle as shown in fig. 4 by the first and second conveyors 41 and 42 and are gathered in one row, and the orientation of the two rows of cells a is still opposite;

then, according to the requirement of the battery pack to be assembled, the arrangement of the circuit control system controls the two rows of push rods 21 to selectively push the battery cells a at a certain position on the first conveyor belt 41 or the second conveyor belt 42 into the card slot 31 of the movable frame 3, so as to form a row of battery cells with different positive and negative poles facing each other. For example, as shown in fig. 9, the right portion is the cell that is pushed in place, the left portion is the cell that is being pushed, and after all the cells are pushed in place, a row of cells with different positive and negative polarities are arranged on the movable frame 3.

Preferably, the slot 15 may be an electromagnetic suction device, a suction nozzle, a suction cup, or the like.

the positive and negative electrode cell direction dividing device of this embodiment, as shown in fig. 5, further includes:

the battery cell turnover mechanism 7 is used for driving the battery cell to rotate around the axis of the battery cell turnover mechanism;

And the code scanning recording mechanism 5 is installed at a station where the battery cell overturning mechanism 7 is located, and is used for scanning codes on the side walls of the battery cells to mark the position of each battery cell.

In the preferred embodiment, each battery cell a is scanned and marked to record the position of each battery cell, and for the marked battery cells, the position of each battery cell can be accurately known in the present positive and negative battery cell direction dividing device, and continuous tracking can be performed through the marks in all subsequent processes.

Preferably, in the positive and negative electrode cell direction dividing device of this embodiment, as shown in fig. 5, the cell turnover mechanism 7 includes: the battery cell winding device comprises a plurality of rollers 71 which are arranged in a straight line and can rotate, and the battery cells can rotate along with the rollers 71 when being placed between the adjacent rollers 71. The battery cell turnover mechanism 7 is used for driving the battery cell to rotate, so that one side of the battery cell, which is provided with the two-dimensional code, faces to the code scanning area of the code scanning recording mechanism 5.

As shown in fig. 5, the method further includes:

as shown in fig. 10, the conveyor belt 4, the cell turnover mechanism 7, and the discharging rack 6 are arranged on the same straight line to form three continuous stations; the moving frame 3 is provided with two groups of rows of clamping grooves 31, and the two groups of rows of clamping grooves 31 correspond to any two adjacent stations among the conveyor belt 4, the battery cell turnover mechanism 7 and the discharging frame 6; the moving frame 3 moves the battery cell at the station where the conveyor belt 4 is located to the station where the battery cell overturning mechanism 7 is located, and at the same time, the battery cell at the station where the battery cell overturning mechanism 7 is located is moved to the station where the discharging frame 6 is located. This setting makes the electric core on the two adjacent stations on the three station can be lifted up by simultaneously to remove respective next station in order, avoided emptying the electric core of a station earlier, put into the complicated operation of the electric core of previous station again. This structure can realize:

step one, battery core loading at a first station;

secondly, transferring the battery cell at the first station to a second station by the movable frame 3, and continuously feeding at the first station;

Discharging the battery cell at the third station, transferring the battery cells at the first station and the second station to the second station and the third station from the movable frame 3, and continuously feeding at the first station;

And step three is repeatedly executed.

Preferably, in the positive and negative electrode cell direction dividing device of this embodiment, as shown in fig. 4 to 6, the conveyor belt 4, the cell turnover mechanism 7, and the discharging frame 6 are all hollow so as to allow the moving frame 3 to pass through.

Preferably, in the positive-negative electrode cell direction-dividing device of this embodiment, as shown in fig. 2, the rotating shafts of the first turning socket 11 and the second turning socket 12 are arranged in parallel, and the rotating shafts of the first turning socket 11 and the second turning socket 12 are both provided with gears 13 of the same specification, and the gears 13 are engaged with each other; the rotation shaft of the first steering socket 11 or the second steering socket 12 is connected to the driving member 14 and can rotate under the driving of the driving member 14. The structure of the gear transmission can keep a more accurate transmission ratio, and the characteristic that the adjacent gears rotate in opposite directions is utilized to enable the first steering socket 11 or the second steering socket 12 to rotate in opposite directions, so that the two purposes are achieved.

preferably, in the positive and negative battery cell direction dividing device of this embodiment, as shown in fig. 4, guard rails 43 for preventing the battery cells from rolling off are disposed on both sides of the first conveyor belt 41 and the second conveyor belt 42, an opening 431 is disposed at one end of each guard rail close to the baffle, and the opening 431 is used for the push rod 21 to extend into and push out the battery cells.

Preferably, in the positive and negative electrode cell direction-dividing device of this embodiment, as shown in fig. 4, the card slot 31 is in a semi-cylindrical shape.

preferably, in the positive and negative electrode cell direction dividing device of this embodiment, as shown in fig. 1, the steering power strip 1 is connected to a manipulator 8. The manipulator 8 can drive to turn to and insert row 1 and remove to magazine position, waits to turn to and inserts row 1 and snatch electric core after, drives again to turn to and inserts row 1 and remove to conveyer belt 4 top. The manipulator 8 can also drive the steering power strip 1 to lift.

Preferably, as shown in fig. 6 and 7, the discharging rack 6 has storage slots 61 with openings at the top and the side, and the discharging rack 6 is connected with a driving member, and can be driven by the driving member to rotate so as to make the openings at the top or the side of the storage slots 61 face upward. As shown in fig. 6, the discharging frame 6 rotates to a horizontal state, which is convenient for receiving the battery cell in the transverse transmission, as shown in fig. 7, the discharging frame 6 rotates to a vertical state, which is convenient for discharging the battery cell, and when the battery cell is vertical, as shown in fig. 1, the manipulator on the left side in the drawing can grab the vertical battery cell.

A method for screening and transmitting anode and cathode battery cell components comprises the following steps:

Providing a battery cell box which is provided with a plurality of rows of battery cells with the same polarity orientation, and placing the battery cell box right below a steering power strip 1 with two rows of power strips;

Step two, controlling the steering power strip 1 to grab two rows of electric cores in the box;

Step three, controlling the two rows of the turning power strip 1 to rotate to the horizontal direction along the opposite direction so as to enable the polarity directions of the battery cells in the slots 15 of the turning power strip 1 and the turning power strip to be opposite;

Step four, controlling the steering power strip 1 to move above the conveyor belt 4, and respectively releasing the two rows of grabbed battery cells onto the first conveyor belt 41 and the second conveyor belt 42;

Step five, respectively transmitting two rows of battery cells to battery cell stop positions through a first conveyor belt 41 and a second conveyor belt 42;

step six, controlling the moving frame 3 to move to the middle of the cell stopping positions of the first conveyor belt 41 and the second conveyor belt 42, aligning the slots 31 on the moving frame 3 with the cells on the first conveyor belt 41 and the second conveyor belt 42, and controlling the push rods 21 on the side surfaces of the first conveyor belt 41 and the second conveyor belt 42 to selectively push the cells on the first conveyor belt 41 and the second conveyor belt 42 into the slots 31 according to the arrangement requirements of the positive and negative cells to form a row of cells with positive and negative electrodes facing to the arrangement according to the requirements;

and step seven, controlling the movable frame 3 to move the battery cell to the discharge frame 6, and completing the screening and transmission of the anode and cathode battery cells.

Preferably, the method for screening and transmitting the anode and cathode battery cells in the embodiment,

before the movable frame 3 is controlled to move the battery cells to the discharge frame 6 in the step eight, the movable frame 3 is firstly made to pass through the battery cell overturning mechanism 7, and the code scanning recording mechanism 5 is used for scanning the code of each battery cell so as to record the position of each battery cell.

in the seventh step, the moving frame 3 includes a front end and a rear end, and when the front end of the moving frame 3 reaches the battery cell turnover mechanism 7, the rear end of the moving frame 3 reaches the middle of the battery cell stop positions of the first conveyor belt 41 and the second conveyor belt 42, so that the clamping groove 31 at the rear end of the moving frame 3 aligns with the battery cells on the first conveyor belt 41 and the second conveyor belt 42;

While the battery cell turnover mechanism 7 scans codes, the push rod 21 selectively pushes the battery cells on the first conveyor belt 41 and the second conveyor belt 42 into the card slots 31 at the rear end of each movable rack 3;

the front end of the movable frame 3 reaches the discharging frame 6, and the rear end of the movable frame 3 reaches the battery cell turnover mechanism 7.

Preferably, in the method for transmitting the positive and negative battery cells in the direction of the screening direction according to the embodiment, the moving frame 3 can move in the vertical direction, so that the battery cells are transferred between the moving frame 3 and the battery cell overturning mechanism 7, or the battery cells are placed on the discharging frame 6 from the moving frame 3.

preferably, in the method for screening and transmitting the positive and negative battery cells in the present embodiment, the conveyor belt 4, the battery cell turnover mechanism 7, and the discharging frame 6 are all hollow so that the moving frame 3 passes through

Preferably, in the method for transmitting the positive and negative electrode cell components in the screening direction, the cell turnover mechanism 7 can drive the cell to rotate around its axis.

preferably, in the method for screening and conveying the positive and negative battery cells in the direction of the battery cell, a plurality of air cylinders are disposed at the battery cell stop positions on the side surfaces of the first conveyor belt 41 and the second conveyor belt 42, and each air cylinder is independently controlled to push the battery cell into a different slot 31.

Preferably, in the method for screening and transmitting the directions of the positive and negative battery cells of this embodiment, a sensor is further disposed at a battery cell stop position on the side surfaces of the first conveyor belt 41 and the second conveyor belt 42, and is used for sensing the number of battery cells on the first conveyor belt 41 and the second conveyor belt 42, and when the difference between the number of battery cells on the first conveyor belt 41 and the number of battery cells on the second conveyor belt 42 exceeds the number of battery cells grabbed by one row of socket, the socket 1 is turned to only release the battery cells on the conveyor belt with a small number of battery cells.

Preferably, in the method for screening and transmitting the anode and cathode battery cells in the direction of the direction, in the step eight, the battery cell is rotated to the vertical state from the horizontal state by the discharging rack 6, and then the battery cell is taken away by the manipulator.

preferably, in the step three of the method for screening and transmitting the positive and negative battery cell components, the driving member 14 controls the first steering socket 11 to rotate, and the gear 13 drives the second steering socket 12 to rotate, so that the first steering socket 11 and the second steering socket 12 rotate to the horizontal direction in the opposite direction, and the battery cells in the slots 15 of the first steering socket 11 and the second steering socket 12 face opposite directions.

In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.

Claims

1. A method for screening and transmitting anode and cathode battery cores in different directions is characterized by comprising the following steps:

providing a battery cell box which is provided with a plurality of rows of battery cells with the same polarity orientation, and placing the battery cell box right below a steering power strip (1) with two rows of power strips;

step two, controlling the steering power strip (1) to grab two rows of electric cores in the box;

Step three, controlling the two rows of the turning power strip (1) to rotate to the horizontal direction along the opposite direction to enable the polarities of the battery cores in the slots (15) of the turning power strip and the turning power strip to face opposite directions;

Step four, controlling the steering power strip (1) to move above the conveyor belt (4), and respectively releasing the two rows of grabbed battery cores onto the first conveyor belt (41) and the second conveyor belt (42);

step five, respectively transmitting two rows of battery cores to battery core stop positions through a first conveyor belt (41) and a second conveyor belt (42);

step six, controlling the moving frame (3) to move to the middle of the cell stopping positions of the first conveyor belt (41) and the second conveyor belt (42), aligning the clamping grooves (31) on the moving frame (3) with the cells on the first conveyor belt (41) and the second conveyor belt (42), and controlling the push rods (21) on the side surfaces of the first conveyor belt (41) and the second conveyor belt (42) to selectively push the cells on the first conveyor belt (41) and the second conveyor belt (42) into the clamping grooves (31) according to the arrangement requirements of the positive and negative cells to form a row of cells with positive and negative electrodes facing to be arranged according to the requirements;

and step seven, controlling the movable frame (3) to move the battery cell to the discharge frame (6), and completing the screening and transmission of the anode and cathode battery cells.

2. The method for screening and transmitting the directions of the positive electrode core and the negative electrode core of claim 1,

and in the step eight, before the movable frame (3) is controlled to move the battery cells to the discharge frame (6), the movable frame (3) passes through the battery cell turnover mechanism (7), and the code scanning recording mechanism (5) is used for scanning the code of each battery cell so as to record the position of each battery cell.

3. The method for screening and transmitting the directions of the positive and negative electrode electric cores of claim 2,

in the seventh step, the moving frame (3) comprises a front end and a rear end, and when the front end of the moving frame (3) is controlled to reach the battery cell turnover mechanism (7), the rear end of the moving frame (3) reaches the middle of the battery cell stop positions of the first conveyor belt (41) and the second conveyor belt (42), so that the clamping groove (31) at the rear end of the moving frame (3) is aligned with the battery cells on the first conveyor belt (41) and the second conveyor belt (42);

when the battery cell overturning mechanism (7) scans codes, the push rod (21) selectively pushes the battery cells on the first conveyor belt (41) and the second conveyor belt (42) into the clamping grooves (31) at the rear end of each movable frame (3);

The front end of the moving frame (3) reaches the discharging frame (6), and the rear end of the moving frame (3) reaches the battery cell overturning mechanism (7).

4. the method for screening and transmitting the positive and negative electrode cell components of claim 3, wherein the movable frame (3) can move vertically to transfer the cell between the movable frame (3) and the cell turnover mechanism (7), or to place the cell on the discharge frame (6) from the movable frame (3).

5. the method for screening and transmitting the positive and negative electrode cell components of claim 4, wherein the conveyor belt (4), the cell turnover mechanism (7) and the discharge frame (6) are all hollowed out for the movable frame (3) to pass through.

6. The method for screening and transmitting the directions of the positive electrode cells and the negative electrode cells according to claim 4, wherein the cell overturning mechanism (7) can drive the cells to rotate around the axes of the cells.

7. The split screening and conveying method for positive and negative electrode battery cells according to any one of claims 1 to 6, wherein a plurality of air cylinders are arranged at the battery cell stopping position and on the side surfaces of the first conveyor belt (41) and the second conveyor belt (42), and each air cylinder is controlled independently to push the battery cell into a different clamping groove (31).

8. the method for screening and transmitting positive and negative battery cell fractions according to any one of claims 1 to 7, wherein sensors are further disposed at the battery cell stopping positions and at the side positions of the first conveyor belt (41) and the second conveyor belt (42) for sensing the number of battery cells on the first conveyor belt (41) and the second conveyor belt (42), and when the number of battery cells on the first conveyor belt (41) and the second conveyor belt (42) differs by more than the number of battery cells grabbed by one row of socket rows, the turning socket row (1) releases the battery cells only on the conveyor belt with a small number of battery cells.

9. The split screening and conveying method for the positive and negative electrode cells according to any one of claims 1 to 8, wherein in the eighth step, the cells are rotated from the horizontal state to the vertical state by the discharging rack (6), and then the cells are taken away by a manipulator.

10. The method for screening and transmitting the positive and negative battery cell fractions according to any one of claims 1 to 9, wherein in the third step, the driving member (14) controls the first steering socket (11) to rotate, and the gear (13) drives the second steering socket (12) to rotate, so that the first steering socket (11) and the second steering socket (12) rotate to the horizontal direction in opposite directions, and the battery cells in the slots (15) of the first steering socket and the second steering socket face opposite directions.