CN207896229U - A kind of lithium battery electric core one-pass molding laminating machine - Google Patents

Abstract

The utility model discloses a kind of lithium battery electric core one-pass molding laminating machines, including rack, membrane unwinding mechanism, membrane winding mechanism, battery core clamping device, diaphragm clamping device, connecting plate, pole piece conveying mechanism, stacking mechanism, transmission mechanism and diaphragm cutting mechanism；Stacking mechanism is used to carry out disposable lamination assembly to positive and negative anodes pole piece and diaphragm；Pole piece conveying mechanism is for conveying anode pole piece and cathode pole piece；Membrane unwinding mechanism is for diaphragm to be positioned between positive and negative anodes pole piece；Transmission mechanism is used to provide power for pole piece conveying mechanism；Membrane winding mechanism is used to carry out diaphragm cladding to the battery core that stacking mechanism is formed；Battery core clamping device is used to grip the battery core before diaphragm coats and after diaphragm cladding；Diaphragm cutting mechanism cuts off diaphragm after being covered to complete for diaphragm；Diaphragm clamping device is used to diaphragm being transported to the clip of stacking mechanism bottom.This laminating machine realizes the disposable lamination molding of positive and negative anodes pole piece, substantially increases lamination efficiency.

Description

A lithium battery cell one-time forming stacking machine

technical field

The utility model relates to the field of lithium battery manufacturing, in particular to a one-time forming lamination machine for lithium battery cells.

Background technique

The internal structure of a lithium battery includes sequentially stacked positive electrode sheets and negative electrode sheets, and the positive and negative electrode sheets are separated by a separator. The stacking machine is mainly used in the stacking process of lithium battery cells, and its stacking methods are divided into two types: rotary type and reciprocating type. Rotary stacks are characterized by application to small battery stacks, and reciprocating stacks are characterized by large battery stacks. Laminating machine is generally composed of the following mechanisms: feeding mechanism, positive electrode material box, negative electrode material box, positive electrode secondary positioning mechanism, negative electrode secondary positioning mechanism, positive electrode feeding mechanism, negative electrode feeding mechanism, stacking table, gluing mechanism, lower material organization. At present, the working principle of the commonly used lithium battery cell stacking machine is to first transfer the positive and negative poles into the material box, and the left and right manipulators of the equipment use the suction cups to absorb the positive and negative poles from the positive and negative material boxes and transport them to the position. On the working table, after the second positioning, the suction cup is used to alternately transport the positive and negative electrodes to the stacking table, and at the same time, the diaphragm is actively unwound, and the stacking table drives the diaphragm to move back and forth to form a Z-shaped stacking, and the equipment operates in such a cycle Realize lamination assembly. When the pole group reaches the set number, the outsourcing diaphragm is carried out, and finally the cutter cuts the diaphragm to assemble the next pole group. At the same time, the packaged pole group is pasted with adhesive tape to form a complete battery cell. .

The application number is 201611243940.9, which discloses a laminate machine. The loading module of the laminate machine adopts a rotary station, which divides the operation completed by one station in the prior art into multiple stations, which improves the efficiency of chip placement. , but its rotary station is limited, and the lamination also needs to be completed many times, it is impossible to realize the one-time lamination of the pole piece, and the lamination efficiency is not greatly improved compared with the traditional lamination machine.

At present, the traditional stacking machine needs to attach the positive and negative electrodes multiple times, which makes the lithium battery stacking processing efficiency not high, and the cost of the equipment is high. In addition, the stacking claws are easy to scratch the poles during the stacking process. Lead to poor pole piece, reliability is not high. Therefore, it is an urgent problem to provide a high-efficiency, low-cost, and high-reliability battery cell one-time forming stacking machine.

Utility model content

Aiming at the deficiencies of the prior art, the technical problem to be solved by the utility model is to provide a laminating machine for one-time forming of lithium battery cells.

The technical solution of the utility model to solve the technical problem is to provide a lithium battery cell one-time forming stacking machine, including a frame, a diaphragm unwinding mechanism, a diaphragm winding mechanism, a cell clamping mechanism, and a diaphragm clamping mechanism and a connecting plate; it is characterized in that the stacker also includes a pole piece conveying mechanism, a stacking mechanism, a transmission mechanism and a diaphragm cutting mechanism;

The lamination mechanism is installed in the middle of the frame, and is used for one-time lamination assembly of the positive and negative pole pieces and the diaphragm;

The pole piece conveying mechanism is two groups with the same structure, installed on the frame, respectively located on both sides of the lamination mechanism and arranged symmetrically with respect to the lamination mechanism, for conveying the positive pole piece and the negative pole piece;

The diaphragm unwinding mechanism is installed on the top of the frame for placing the diaphragm between the positive and negative pole pieces;

The transmission mechanism is installed on the frame to provide power for the pole piece conveying mechanism;

The diaphragm winding mechanism is installed on the frame, and is used for diaphragm coating the electric core formed by the lamination mechanism;

The cell clamping mechanism is installed on the frame for clamping the cells before and after the diaphragm coating;

The diaphragm cutting mechanism is installed on the frame, and is used for cutting the diaphragm after the diaphragm coating is completed;

The diaphragm clamping mechanism is installed on the frame; the diaphragm clamping mechanism is two groups with the same structure, which are symmetrically installed on both sides of the cell clamping mechanism, and the two diaphragm clamping mechanisms correspond to the edges of the diaphragm respectively. Used to transport the diaphragm to the clips at the bottom of the stack;

The connecting plate is respectively connected with the pole piece conveying mechanism and the transmission mechanism.

The pole piece conveying mechanism includes several pole piece conveying devices, and the pole piece conveying devices are vertically and evenly arranged; each pole piece conveying device includes a pole piece conveying mechanism frame, a bottomless pole piece storage box, a pole piece size control board, Vacuum conveying plate, sheaves, rollers, pole piece conveying bearings and vacuum suction cups; one end of the frame body of the pole piece conveying mechanism is installed on the frame, and the other end is connected with the pull-down side plate of the stacking mechanism; the bottomless The pole piece storage box is fixed on the pole piece conveyor frame; the bottomless pole piece storage box is a square box with semicircular notches at both ends and no bottom surface, and there are mounting plates on both sides of the bottom; the pole piece size control board There are two L-shaped plates, which are respectively installed on the mounting plates on both sides of the bottom of the bottomless pole piece storage box; there are long round holes on the pole piece size control plate, which are used to support the positive and negative pole pieces and control the storage of different sizes The pole piece; the vacuum conveying plate is connected with the transmission mechanism through the connecting plate; there is a vacuum suction cup on the vacuum conveying plate for absorbing the pole piece; there is a gap between the vacuum conveying plate and the pole piece size control plate; the groove The wheels are installed on both ends of the inner side of the pole piece conveyor frame; the rollers are installed on the pole piece conveyor frame through the pole piece conveyor bearing, located on the upper and lower surfaces of the vacuum conveyor plate and in contact with the vacuum conveyor plate;

The stacking mechanism includes a stacking mechanism bottom frame, a stacking platform, a pull-down side plate, a telescopic frame device, a clip, an upper fixing plate, a compression cylinder, a compression cylinder mounting plate, a compression cylinder push plate, power components and a lower Pull rod; the bottom frame of the lamination mechanism is fixed on the frame; the lamination table is installed on the bottom frame of the lamination mechanism; the lamination table has a rectangular groove; side, the inner side of the pull-down side plate is provided with a slide rail; the two ends of the upper fixing plate are installed on the pull-down side plate; the telescopic frame device is installed in the slide rail of the pull-down side plate; the clip is installed on the The connecting shaft of the telescopic frame device; the center of the clip is flush with the vacuum conveying plate; the power part is fixed on the frame; the two ends of the lower rod are connected with the sliding shafts on both sides of the lower part of the The piston rods of the parts are connected; the mounting plate of the compression cylinder is installed on the connecting shaft at the top of the telescopic frame device; the compression cylinder is installed on the mounting plate of the compression cylinder; the push plate of the compression cylinder is installed on the compression cylinder on the piston rod;

The transmission mechanism includes a transmission mechanism frame body, a stepping motor, a stepping motor support plate, a transmission mechanism bearing, a bearing seat, a gear, a rack and pinion, a linear guide rail and a transmission mechanism slider; the transmission mechanism frame body is installed on the machine on the frame; the stepper motor support plate and the bearing seat are fixed on the frame body of the transmission mechanism; the transmission mechanism bearing is installed in the bearing seat; the stepper motor is installed on the stepper motor support plate, and the stepper motor The rotating shaft of the transmission mechanism passes through the inner ring of the transmission mechanism bearing, and the end is equipped with a gear; the gear is fixed by the gear end cover and the sleeve; two sets of transmission mechanism sliders are respectively fixed on the upper and lower sides of the transmission mechanism frame; the linear guide rail is two one, installed on the respective transmission mechanism slider, and can slide relative to the transmission mechanism slider; the rack and pinion are two, fixed on the respective linear guide rails, and respectively engaged on the upper and lower sides of the gear; the two gears One end of the rack and two linear guide rails is installed on the connecting plates on both sides;

The diaphragm cutting mechanism includes a guide rail mounting plate, a guide rail, an upper blade mounting plate, an upper blade, a lower blade, a cutting mechanism slider and a cutting mechanism cylinder; the guide rail mounting plate is fixed on the frame; the guide rail is mounted on the guide rail mounting plate above; the upper blade mounting plate is fixed on the guide rail mounting plate; the cutting mechanism slider is installed in the guide rail; the upper blade and the lower blade are respectively installed on the upper blade mounting plate and the cutting mechanism slider; the cutting The output end of the mechanism cylinder is connected with the slide block of the cutting mechanism.

Compared with the prior art, the utility model has the beneficial effects of:

1) The traditional stacking machine is a reciprocating stacking machine, which requires multiple positive and negative pole pieces. The stacking machine adopts the mutual cooperation of the pole piece conveying mechanism, the stacking mechanism and the transmission mechanism to realize the one-time stacking of the positive and negative pole pieces, which greatly improves the stacking efficiency.

2) The pole piece conveying mechanism uses a vacuum suction cup to absorb the pole piece, which ensures that the pole piece will not be crushed or damaged during transportation, and improves the reliability of the pole piece.

3) The bottomless pole piece storage box is a square box with semicircular notches at both ends and no bottom surface, which is convenient for storing and taking the positive and negative pole pieces;

4) A pole piece size control board is installed under the bottomless pole piece storage box, which can satisfy the storage of pole pieces of different sizes and increase its adaptability;

5) The pole piece conveying device is installed in parallel from top to bottom, which is beneficial for the positive and negative pole pieces to run to the stacking mechanism at the same time, increasing the efficiency;

6) The telescopic frame device of the lamination mechanism can be stretched by pulling one end, so that all the positive and negative pole pieces can be easily pasted together alternately, the structure is simple, and the cost is reduced;

7) The stacking mechanism adopts the compression cylinder and the power part to work together. The power part realizes the expansion and contraction of the telescopic frame device, and the compression cylinder realizes the compression of the pole piece. The structure is simple and the cost is reduced;

8) Both the vacuum conveying plate and the stacking table have rectangular slots, which are convenient for the clamping of the pole pieces;

9) The transmission mechanism uses gears to drive two racks to move towards each other, and drives the pole piece conveying mechanism to move to the stacking mechanism. The structure is simple, and the power only needs to be provided by the stepping motor, and no complicated control system is required;

10) The diaphragm cutting mechanism adopts upper and lower blades, the upper blade is fixed, the lower blade is installed on the slider, and the slider moves up and down through the cylinder in the guide rail, the structure is simple, and the diaphragm can be cut;

11) After the diaphragm is wound, covered and cut, the diaphragm is clamped and transported to the clip at the bottom of the telescopic frame by the diaphragm clamping mechanism, and then the next set of pole pieces is laminated to ensure the cyclic operation of the equipment.

Description of drawings

Fig. 1 is the axonometric schematic diagram of the overall structure of an embodiment of the utility model lithium battery cell one-time forming stacking machine;

Fig. 2 is a schematic front view of the overall structure of an embodiment of the utility model lithium battery cell one-time forming laminating machine;

Fig. 3 is an axonometric schematic view of the pole piece conveying device of an embodiment of the lithium battery cell one-time forming lamination machine of the utility model;

Fig. 4 is a schematic front view of the pole piece conveying device of an embodiment of the lithium battery cell one-time forming lamination machine of the utility model;

Fig. 5 is a structural schematic diagram of the stacking mechanism of an embodiment of the lithium battery cell one-time forming stacking machine of the present invention;

Fig. 6 is a partially enlarged schematic diagram of the telescopic frame device of the stacking mechanism of an embodiment of the lithium battery cell one-time forming stacker of the utility model;

Fig. 7 is a schematic front view of the connection between the stacking mechanism and the pole piece conveying mechanism of an embodiment of the one-time forming stacker for lithium battery cells of the present invention;

Fig. 8 is a schematic diagram of an axonometric view of a transmission mechanism of an embodiment of a one-time forming stacker for lithium battery cells of the present invention;

Fig. 9 is a connection schematic diagram of the cell clamping mechanism, the diaphragm winding mechanism, the diaphragm cutting mechanism and the diaphragm clamping mechanism of an embodiment of the utility model lithium battery cell one-time forming laminating machine.

In the figure: 1. Rack; 2. Electrode conveying mechanism; 3. Diaphragm unwinding mechanism; 4. Lamination mechanism; 5. Transmission mechanism; 6. Diaphragm winding mechanism 7. Cell clamping mechanism; 8. Diaphragm Cutting mechanism; 9. Diaphragm clamping mechanism; 10. Connecting plate;

2.1, pole piece conveying mechanism frame body; 2.2, bottomless pole piece storage box; 2.3, pole piece size control board; 2.4, vacuum conveying plate; 2.5, groove wheel; 2.6, roller; , Vacuum suction cup;

4.1. Underframe of lamination mechanism; 4.2. Lamination platform; 4.3. Pull-down side panel; 4.4. Telescopic frame device; 4.5. Clip; 4.6. Upper fixing plate; 4.7. Compression cylinder; 4.9, compression cylinder push plate; 4.10, power components; 4.11, pull down rod; 4.401, sliding shaft; 4.402, connecting plate; 4.403, rolling bearing; 4.404, slide block of lamination mechanism;

5.1, frame body of transmission mechanism; 5.2, stepping motor; 5.3, supporting plate of stepping motor; 5.4, bearing of transmission mechanism; 5.5, bearing seat; 5.6, gear; 5.7, rack and pinion; Mechanism slider;

6.1. Diaphragm winding cylinder mounting plate; 6.2. Diaphragm winding cylinder; 6.3. Diaphragm winding cylinder support plate; 6.4. Diaphragm winding sliding bearing; 6.5. Diaphragm winding air claw mounting plate; 6.6. Rotary air claw;

7.1, cell clamping cylinder mounting plate; 7.2, cell clamping cylinder; 7.3, cell clamping cylinder support plate; 7.4, cell clamping sliding bearing; 7.5, cell clamping air claw mounting plate; 7.6, Cell clamping air claw;

8.1, guide rail mounting plate; 8.2, guide rail; 8.3, upper blade mounting plate; 8.4, upper blade; 8.5, lower blade; 8.6, cutting mechanism slider; 8.7, cutting mechanism cylinder;

9.1, diaphragm clamping cylinder mounting plate; 9.2, diaphragm clamping cylinder; 9.3, diaphragm clamping cylinder support plate; 9.4, diaphragm clamping sliding bearing; 9.5, diaphragm clamping air claw mounting plate; 9.6, diaphragm clamping air claw ;

Detailed ways

Provide the specific embodiment of the present utility model below. The specific embodiments are only used to further describe the utility model in detail, and do not limit the protection scope of the claims of the present application.

The utility model provides a one-time forming stacking machine for lithium battery cells (see Figure 1-9, referred to as the stacking machine), including a frame 1, a diaphragm unwinding mechanism 3, a diaphragm winding mechanism 6, and a cell clamping Mechanism 7, diaphragm clamping mechanism 9 and connecting plate 10; it is characterized in that the stacker also includes a pole piece conveying mechanism 2, a stacking mechanism 4, a transmission mechanism 5 and a diaphragm cutting mechanism 8;

The stacking mechanism 4 is installed in the middle of the frame 1, and is used for one-time stacking assembly of the positive and negative pole pieces and the diaphragm to form a battery cell;

The pole piece conveying mechanism 2 is two groups with the same structure, installed on the frame 1, respectively located on both sides of the lamination mechanism 4 and arranged symmetrically with respect to the lamination mechanism 4, for conveying the positive pole piece and the negative pole piece ;

The diaphragm unwinding mechanism 3 is installed on the top of the frame 1, above the stacking mechanism 4; the diaphragm unwinding mechanism 3 is wound with a diaphragm, and the diaphragm is placed between the positive and negative pole pieces by unwinding; preferably, Two groups can be set and used alternately;

The transmission mechanism 5 is installed on the frame 1, and is used to provide power for the pole piece conveying mechanism 2, so as to transport the positive and negative pole pieces to the stacking mechanism 4;

The diaphragm winding mechanism 6 is installed on the frame 1, is located on the right side of the stacking mechanism 4, and is located between the diaphragm cutting mechanism 8 and the cell clamping mechanism 7, and is used for the cells formed by the stacking mechanism 4. Carry out membrane coating;

The cell clamping mechanism 7 is installed on one end of the frame 1, and is located on the right side of the diaphragm winding mechanism 6, and is located in the middle position corresponding to the stacking mechanism 4, and is used for clamping the diaphragm before coating and the diaphragm package. The battery cell after covering;

The diaphragm cutting mechanism 8 is installed on the frame 1, and is located between the stacking mechanism 4 and the diaphragm winding mechanism 6, and is used for cutting the diaphragm after the diaphragm coating is completed;

The diaphragm clamping mechanism 9 is installed on the frame 1; the diaphragm clamping mechanism 9 is two groups with the same structure, which are symmetrically installed on both sides of the cell clamping mechanism 7, and the two diaphragm clamping mechanisms 9 respectively correspond to The edge of the diaphragm is used to transport the cut-off diaphragm to the clip 4.5 at the bottom of the lamination mechanism 4;

The connecting plate 10 is respectively connected with the pole piece conveying mechanism 2 and the transmission mechanism 5;

The pole piece conveying mechanism 2 includes several pole piece conveying devices, and the pole piece conveying devices are vertically and evenly arranged; each pole piece conveying device includes a pole piece conveying mechanism frame body 2.1, a bottomless pole piece storage box 2.2, a pole piece size Control panel 2.3, vacuum conveying plate 2.4, sheave 2.5, roller 2.6, pole piece conveying bearing 2.7 and vacuum sucker 2.8; one end of the pole piece conveying mechanism frame body 2.1 is installed on the frame 1, and the other end is connected with the lamination The pull-down side plate 4.3 of the mechanism 4 is connected; the bottomless pole piece storage box 2.2 is fixed on the pole piece conveying mechanism frame body 2.1; the bottomless pole piece storage box 2.2 is a square box with semicircular gaps at both ends and no bottom surface , it is convenient to take the positive and negative pole pieces, and there are mounting plates on both sides of the bottom; the pole piece size control board 2.3 is an L-shaped plate, which is two, and is respectively installed on both sides of the bottom of the bottomless pole piece storage box 2.2 On the plate; the pole piece size control plate 2.3 has a long hole, which is used to support the positive and negative pole pieces and control the storage of pole pieces of different sizes through the installation position of the screw in the long hole; the vacuum conveying plate 2.4 passes through the connecting plate 10 is connected with the transmission mechanism 5 to achieve the purpose that the vacuum conveying plate 2.4 can move left and right; there is a vacuum suction cup 2.8 on the vacuum conveying plate 2.4, which is used to absorb the pole piece; The gap is used for the passage of the pole piece; the grooved wheel 2.5 is installed at both ends of the inner side of the pole piece conveying mechanism frame 2.1 to ensure that the vacuum conveying plate 2.4 maintains linear motion; the roller 2.6 is installed through the pole piece conveying bearing 2.7 On the frame body 2.1 of the pole piece conveying mechanism, located on the upper and lower surfaces of the vacuum conveying plate 2.4 and in contact with the vacuum conveying plate 2.4, it is used to support the vacuum conveying plate 2.4 and ensure the stability of the movement of the vacuum conveying plate 2.4;

Preferably, the front end of the vacuum conveying plate 2.4 may have a rectangular groove, which is convenient for clamping;

Described lamination mechanism 4 comprises lamination mechanism bottom frame 4.1, lamination platform 4.2, pull-down side plate 4.3, telescoping frame device 4.4, clamp 4.5, upper fixed plate 4.6, compression cylinder 4.7, compression cylinder mounting plate 4.8, compression cylinder Cylinder push plate 4.9, power unit 4.10 and pull-down rod 4.11; the lamination mechanism chassis 4.1 is fixed on the frame 1; the lamination platform 4.2 is installed on the lamination mechanism chassis 4.1; the lamination platform 4.2 is opened There is a rectangular slot, which is convenient for the cell clamping mechanism 7 to clamp the formed pole piece; the pull-down side plate 4.3 is installed on both sides of the stacking mechanism chassis 4.1, and a slide rail is provided on the inside of the pull-down side plate 4.3; the upper fixing plate The two ends of 4.6 are installed on the pull-down side plate 4.3; the telescopic frame device 4.4 is installed in the slide rail of the drop-down side plate 4.3, and can be freely stretched up and down; the clip 4.5 is installed on the connection of the telescopic frame device 4.4 from top to bottom. On the shaft 4.405, it is used to clamp the transported pole pieces; the center of the clamp 4.5 is flush with the vacuum conveying plate 2.4, when the vacuum conveying plate 2.4 absorbs the positive and negative pole pieces and moves inward, the clamp 4.5 can be realized. Accurate clamping of the pole piece; the power part 4.10 is fixed on the frame 1; the two ends of the lower rod 4.11 are connected with the sliding shafts 4.401 on both sides of the lower part of the telescopic frame device 4.4, and the middle part is connected with the piston rod of the power part 4.10 ; The compression cylinder mounting plate 4.8 is installed on the connecting shaft 4.405 at the top of the telescopic frame device 4.4; the compression cylinder 4.7 is installed on the compression cylinder mounting plate 4.8; the compression cylinder push plate 4.9 is installed on the compression On the piston rod of cylinder 4.7;

The telescopic frame device 4.4 includes a sliding shaft 4.401, a connecting plate 4.402, a rolling bearing 4.403, a laminate mechanism slider 4.404 and a connecting shaft 4.405; the sliding shaft 4.401, the connecting plate 4.402 and the connecting shaft 4.405 are alternately connected to form a V shape; The slider 4.404 of the sheet mechanism is installed in the slide rail of the pull-down side plate 4.3; the rolling bearing 4.403 is installed in the slider 4.404 of the lamination mechanism; one end of the sliding shaft 4.401 is connected with the slider 4.404 of the lamination mechanism through the rolling bearing 4.403, and the other One end is connected with the connecting plate 4.402; the two ends of the connecting plate 4.402 are respectively installed with the connecting shaft 4.405;

The transmission mechanism 5 includes a transmission mechanism frame body 5.1, a stepping motor 5.2, a stepping motor support plate 5.3, a transmission mechanism bearing 5.4, a bearing seat 5.5, a gear 5.6, a rack and pinion 5.7, a linear guide rail 5.8 and a transmission mechanism slider 5.9 ; The transmission mechanism frame body 5.1 is installed on the frame 1; the stepping motor support plate 5.3 and the bearing seat 5.5 are fixed on the transmission mechanism frame body 5.1; the transmission mechanism bearing 5.4 is installed in the bearing seat 5.5; The stepper motor 5.2 is installed on the stepper motor support plate 5.3, the rotating shaft of the stepper motor 5.2 passes through the inner ring of the transmission mechanism bearing 5.4, and the end is equipped with a gear 5.6; the gear 5.6 is fixed by a gear end cover and a sleeve; Two sets of transmission mechanism sliders 5.9 are respectively fixed on the upper and lower surfaces of the transmission mechanism frame body 5.1; the linear guide rails 5.8 are two, installed on the respective transmission mechanism sliders 5.9, and can slide relative to the transmission mechanism slider 5.9; There are two racks and pinions 5.7, which are fixed on the respective linear guide rails 5.8 and meshed with the upper and lower sides of the gear 5.6 respectively; one end of the two racks and pinions 5.7 and the two linear guide rails 5.8 is installed on the connecting plates 10 on both sides When the stepper motor 5.2 is working, it is used to realize the movement of the pole piece conveying mechanism 2 on both sides to the stacking mechanism 4 at the same time;

The diaphragm winding mechanism 6 includes a diaphragm winding cylinder mounting plate 6.1, a diaphragm winding cylinder 6.2, a diaphragm winding cylinder support plate 6.3, a diaphragm winding sliding bearing 6.4, a diaphragm winding air claw mounting plate 6.5 and a rotating air claw 6.6 The diaphragm winding cylinder mounting plate 6.1 and the diaphragm winding cylinder support plate 6.3 are installed on the frame 1; the diaphragm winding cylinder 6.2 is installed on the diaphragm winding cylinder mounting plate 6.1; the diaphragm winding sliding bearing The outer ring of 6.4 is installed in the round hole of the support plate 6.3 of the diaphragm winding cylinder; the piston rod of the diaphragm winding cylinder 6.2 passes through the inner ring of the diaphragm winding sliding bearing 6.4, and the end is connected with the diaphragm winding air claw mounting plate 6.5; The rotating air claw 6.6 is installed on the diaphragm winding air claw mounting plate 6.5;

The cell clamping mechanism 7 includes a cell clamping cylinder mounting plate 7.1, a cell clamping cylinder 7.2, a cell clamping cylinder support plate 7.3, a cell clamping sliding bearing 7.4, and a cell clamping air claw mounting plate 7.5 and the cell clamping air claw 7.6; the cell clamping cylinder installation plate 7.1 and the cell clamping cylinder support plate 7.3 are installed on the frame 1; the cell clamping cylinder 7.2 is installed on the cell clamping On the cylinder mounting plate 7.1; the outer ring of the cell clamping sliding bearing 7.4 is installed in the round hole of the cell clamping cylinder support plate 7.3; the piston rod of the cell clamping cylinder 7.2 slides through the cell clamping The inner ring of the bearing 7.4 is connected with the cell clamping air claw mounting plate 7.5 at the end; the cell clamping air claw 7.6 is installed on the cell clamping air claw mounting plate 7.5, and the cell clamping air claw 7.6 Corresponding to the stacking table 4.2, it is used to clamp the electric core;

The diaphragm cutting mechanism 8 includes a guide rail mounting plate 8.1, a guide rail 8.2, an upper blade mounting plate 8.3, an upper blade 8.4, a lower blade 8.5, a cutting mechanism slider 8.6 and a cutting mechanism cylinder 8.7; the guide rail mounting plate 8.1 is fixed on the frame 1. The guide rail 8.2 is installed on the guide rail mounting plate 8.1; the upper blade mounting plate 8.3 is fixed on the guide rail mounting plate 8.1; the cutting mechanism slider 8.6 is installed in the guide rail 8.2; the upper blade 8.4 and the lower blade 8.5 are respectively installed on the upper blade mounting plate 8.3 and the cutting mechanism slider 8.6; the output end of the cutting mechanism cylinder 8.7 is connected with the cutting mechanism slider 8.6, and the blade can be moved up and down when the cutting mechanism cylinder 8.7 moves, and the Diaphragm cutting;

The diaphragm clamping mechanism 9 includes a diaphragm clamping cylinder mounting plate 9.1, a diaphragm clamping cylinder 9.2, a diaphragm clamping cylinder support plate 9.3, a diaphragm clamping sliding bearing 9.4, a diaphragm clamping air claw mounting plate 9.5 and a diaphragm clamping air cylinder. Claw 9.6; the diaphragm clamping cylinder mounting plate 9.1 and the diaphragm clamping cylinder support plate 9.3 are installed on the frame 1; the diaphragm clamping cylinder 9.2 is installed on the diaphragm clamping cylinder mounting plate 9.1; the diaphragm clamping cylinder The outer ring of the sliding bearing 9.4 is installed in the round hole of the support plate 9.3 of the diaphragm clamping cylinder; the piston rod of the diaphragm clamping cylinder 9.2 passes through the inner ring of the diaphragm clamping sliding bearing 9.4, and the end is installed with the diaphragm clamping air claw The plate 9.5 is connected; the diaphragm clamping air claw 9.6 is installed on the diaphragm clamping air claw mounting plate 9.5, and the diaphragm clamping air claw 9.6 corresponds to the clip 4.5 at the bottom of the lamination mechanism 4 .

The working principle and working process of the utility model lithium battery cell one-time forming stacking machine are:

1) Conveying: the positive and negative pole pieces are stored in the bottomless pole piece storage box 2.2 respectively, and the pole pieces are adsorbed on the vacuum conveying plate 2.4 under the action of the vacuum suction cup 2.8 on the vacuum conveying plate 2.4; the stepping of the transmission mechanism 5 The motor 5.2 provides power, and under the action of the transmission mechanism 5, it drives the vacuum conveying plate 2.4 to move toward the stacking mechanism 4.

2) Lamination: The diaphragm unwinding mechanism 3 actively unwinds, and the lowered diaphragm head is first clamped on the clip 4.5 at the bottom of the lamination mechanism 4. When the vacuum conveying plate 2.4 transports the positive and negative pole pieces to the lamination mechanism 4 When the clip 4.5 is in the position, the clip 4.5 clamps the pole piece and the diaphragm at the same time, and the vacuum conveying plate 2.4 returns; under the action of the power part 4.10, the telescopic frame device 4.4 drives the clip 4.5 to drive the positive and negative pole pieces to the stacking table 4.2 direction expansion and contraction, the sliding shaft 4.401, the connecting plate 4.402 and the connecting shaft 4.405 are connected alternately to form a V shape. When the V shape of the telescopic frame device 4.4 is close to parallel, the compression cylinder 4.7 starts to move and pushes the compression cylinder push plate 4.8 Press the positive and negative pole pieces on the stacking table 4.2 at one time, and at the same time loosen all the clamps 4.5, that is, the one-time patching of the stacking is realized.

3) Forming: After the pole piece is compressed, the cell clamping mechanism 7 clamps the compressed pole piece to the position of the diaphragm winding mechanism 6 under the push of the cell clamping cylinder 7.2, and the diaphragm winding mechanism 6 starts The action clamps the compressed pole piece, the cell clamping mechanism 7 returns, the diaphragm winding mechanism 6 starts to wrap the compressed pole piece with the diaphragm, and the cell clamping mechanism 7 clamps the coating again After the pole piece of the diaphragm is finished, the diaphragm winding mechanism 6 retreats, and the two diaphragm clamping mechanisms 9 start to act to clamp the two edges of the diaphragm, and the diaphragm cutting mechanism 8 cuts the diaphragm to form a complete battery cell.

4) The diaphragm returns to its original position for the next cycle: after the cutting is completed, the diaphragm clamping mechanism 9 sends the diaphragm to the clip 4.5 at the bottom of the stacking mechanism 4 again, and the next cycle begins.

The unmentioned part of the utility model is applicable to the prior art.

Claims (5)

1. a kind of lithium battery electric core one-pass molding laminating machine, including rack, membrane unwinding mechanism, membrane winding mechanism, battery core folder Hold mechanism, diaphragm clamping device and connecting plate；It is characterized in that the laminating machine further includes pole piece conveying mechanism, stacking mechanism, biography Motivation structure and diaphragm cutting mechanism；

The stacking mechanism is installed on the centre position of rack, for carrying out disposable lamination dress to positive and negative anodes pole piece and diaphragm Match；

The pole piece conveying mechanism is completely identical in structure two groups, is installed in rack, is located at the both sides of stacking mechanism And be arranged symmetrically about stacking mechanism, for conveying anode pole piece and cathode pole piece；

The membrane unwinding mechanism is installed on the top of rack, for diaphragm to be positioned between positive and negative anodes pole piece；

The transmission mechanism is installed in rack, for providing power for pole piece conveying mechanism；

The membrane winding mechanism is installed in rack, and the battery core for being formed to stacking mechanism carries out diaphragm cladding；

The battery core clamping device is installed in rack, for the battery core after being coated with diaphragm before gripping diaphragm cladding；

The diaphragm cutting mechanism is installed in rack, is cut off to diaphragm after being covered to complete for diaphragm；

The diaphragm clamping device is installed in rack；Diaphragm clamping device is completely identical in structure two groups, is symmetrically arranged on The both sides of battery core clamping device, and two diaphragm clamping devices correspond respectively to the edge of diaphragm, for diaphragm to be transported to lamination On the clip of actuator base；

The connecting plate is connect with pole piece conveying mechanism and transmission mechanism respectively.

2. lithium battery electric core one-pass molding laminating machine according to claim 1, it is characterised in that the pole piece conveying mechanism Including several pole piece conveying devices, pole piece conveying device is evenly arranged vertically；Each pole piece conveying device includes pole piece conveying Mechanism frame body, bottomless pole piece case, pole piece size control panel, vacuum handling plate, sheave, roller, pole piece fed bearings and true Suction disk；One end of the pole piece conveying mechanism frame body is installed in rack, the drop-down side plate connection of the other end and stacking mechanism； The bottomless pole piece case is fixed on pole piece conveying mechanism frame body；Bottomless pole piece case be both ends have semicircular indentations and Square box without bottom surface, and two bottom sides have mounting plate；The pole piece size control panel is L-type plate, is two, is respectively arranged in nothing On the mounting plate of sole piece case two bottom sides；It is provided with slotted hole on pole piece size control panel, is used to support positive and negative anodes pole piece And different size of pole piece is stored in control；The vacuum handling plate is connect by connecting plate with transmission mechanism；The vacuum is defeated Sending has vacuum cup on plate, for adsorbing pole piece；There are gaps between vacuum handling plate and pole piece size control panel；The sheave It is installed on side both ends in pole piece conveyor truss body；The roller is installed on pole piece conveying mechanism frame body by pole piece fed bearings On, it is contacted positioned at vacuum handling plate upper and lower surface and with vacuum handling plate；

The stacking mechanism includes stacking mechanism chassis, lamination stacking table, drop-down side plate, flexible rack device, clip, upper mounted plate, pressure Tight cylinder, compression cylinder mounting plate, compression cylinder push plate, power part and lower pull rod；The stacking mechanism chassis is fixed on machine On frame；The lamination stacking table is installed on stacking mechanism chassis；Lamination stacking table is provided with rectangular channel；The drop-down side plate is installed on laminating machine Structure chassis both sides, drop-down side plate interior sides are equipped with sliding rail；The both ends of fixed plate are installed on drop-down side plate；The expansion bracket Device is installed in the sliding rail of drop-down side plate；The clip is installed on from top to bottom on the connecting shaft of flexible rack device；In clip The heart is concordant with vacuum handling plate；The power part is fixed on the rack；The both ends of the lower pull rod and flexible rack device lower part The piston rod of the sliding axis connection of both sides, middle part and power part connects；The compression cylinder mounting plate is installed on flexible rack-mounted On the connecting shaft at top set end；The compression cylinder is installed on compression cylinder mounting plate；The compression cylinder push plate is installed on compression On the piston rod of cylinder；

The transmission mechanism include transmission mechanism frame body, stepper motor, stepper motor support board, transmission mechanism bearing, bearing block, Gear, rack-and-pinion, the linear guide and transmission mechanism sliding block；The transmission mechanism erection of frames is in rack；The stepping electricity Machine support plate and bearing block are both secured on transmission mechanism frame body；The transmission mechanism bearing is installed in bearing block；The step Stepper motor is installed in stepper motor support board, and the shaft of stepper motor passes through the inner ring of transmission mechanism bearing, and end is equipped with Gear；Gear is fixed by gear end cap and sleeve；Two groups of transmission mechanism sliding blocks are individually fixed in the upper and lower of transmission mechanism frame body Face；The linear guide is two, is installed on respective transmission mechanism sliding block, can be slided relative to transmission mechanism sliding block； The rack-and-pinion is two, is fixed in respective the linear guide, and is engaged in gear both sides up and down respectively；Two gear teeth One end of item and two the linear guides is installed on two side connecting plates；

The diaphragm cutting mechanism includes guide rail mounting plate, guide rail, cutter mounting plate, cutter, bottom knife, cutting mechanism cunning Block and cutting mechanism cylinder；The guide rail mounting plate is fixed on rack；The guide rail is installed on guide rail mounting plate；The upper slitter Piece mounting plate is fixed on guide rail mounting plate；The cutting mechanism sliding block is installed in guide rail；The cutter and bottom knife point It is not installed on cutter mounting plate and cutting mechanism sliding block；The output end of the cutting mechanism cylinder connects with cutting mechanism sliding block It connects.

3. lithium battery electric core one-pass molding laminating machine according to claim 2, it is characterised in that before the vacuum handling plate End can have rectangular channel, facilitate gripping.

4. lithium battery electric core one-pass molding laminating machine according to claim 2, it is characterised in that the flexible rack device packet Include sliding axle, connecting plate, rolling bearing, stacking mechanism sliding block and connecting shaft；Alternately connection forms V-shape for sliding axle, connecting plate and connecting shaft； The stacking mechanism sliding block is installed in the sliding rail of drop-down side plate；The rolling bearing is installed in stacking mechanism sliding block；It is described One end of sliding axle is connect by rolling bearing with stacking mechanism sliding block, and the other end is connect with connecting plate；The connecting plate both ends with point Connecting shaft is not installed.

5. lithium battery electric core one-pass molding laminating machine according to claim 1, it is characterised in that the membrane winding mechanism Including membrane winding cylinder mounting plate, membrane winding cylinder, membrane winding cylinder supports plate, membrane winding sliding bearing, diaphragm Wind pneumatic clamper mounting plate and rotation pneumatic clamper；The membrane winding cylinder mounting plate and membrane winding cylinder supports plate are installed on rack On；The membrane winding cylinder is installed on membrane winding cylinder mounting plate；It installs the outer ring of the membrane winding sliding bearing In in membrane winding cylinder supports plate circular hole；The piston rod of membrane winding cylinder passes through the inner ring of membrane winding sliding bearing, end Portion is connect with membrane winding pneumatic clamper mounting plate；The rotation pneumatic clamper is installed on membrane winding pneumatic clamper mounting plate；

The battery core clamping device includes battery core gripper cylinder mounting plate, battery core gripper cylinder, battery core gripper cylinder support plate, electricity Core is clamped sliding bearing, battery core clamping pneumatic clamper mounting plate and battery core and pneumatic clamper is clamped；The battery core gripper cylinder mounting plate and battery core Gripper cylinder support plate is installed in rack；The battery core gripper cylinder is installed on battery core gripper cylinder mounting plate；The electricity The outer ring of core clamping sliding bearing is installed in battery core gripper cylinder circular hole of support plate；The piston rod of the battery core gripper cylinder is worn The inner ring of battery core clamping sliding bearing is crossed, end is connect with battery core clamping pneumatic clamper mounting plate；The battery core clamping pneumatic clamper is installed on Battery core is clamped on pneumatic clamper mounting plate, and battery core clamping pneumatic clamper corresponds to lamination stacking table；

The diaphragm clamping device include diaphragm clamping cylinder mounting plate, diaphragm gripper cylinder, diaphragm clamping cylinder supports plate, every Film is clamped sliding bearing, diaphragm clamping pneumatic clamper mounting plate and diaphragm and pneumatic clamper is clamped；The diaphragm clamping cylinder mounting plate and diaphragm Gripper cylinder support plate is installed in rack；The diaphragm gripper cylinder is installed on diaphragm clamping cylinder mounting plate；It is described every The outer ring of film clamping sliding bearing is installed in diaphragm clamping cylinder supports plate circular hole；The piston rod of the diaphragm gripper cylinder is worn The inner ring of diaphragm clamping sliding bearing is crossed, end is connect with diaphragm clamping pneumatic clamper mounting plate；The diaphragm clamping pneumatic clamper is installed on Diaphragm is clamped on pneumatic clamper mounting plate, and diaphragm clamping pneumatic clamper corresponds to the clip of stacking mechanism bottom.