CN219800913U

CN219800913U - Solid-state battery lithium metal negative pole film-making device

Info

Publication number: CN219800913U
Application number: CN202321111088.5U
Authority: CN
Inventors: 陈刚; 秦坤
Original assignee: Wuhan Guli New Energy Technology Co ltd
Current assignee: Wuhan Guli New Energy Technology Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-10-03
Anticipated expiration: 2033-05-06

Abstract

The utility model discloses a lithium metal negative pole flaking device of a solid-state battery, which relates to the technical field of lithium battery production and processing and comprises two symmetrically arranged L-shaped plates, wherein a first spring is fixedly connected to the top end of each L-shaped sliding block, a connecting block is fixedly connected to the bottom end of each L-shaped sliding block, a first ball is rotatably connected to the bottom end of each connecting block, a second ball is rotatably connected to the top of each horizontal end of each L-shaped sliding block, the L-shaped sliding block is driven to move downwards through a straight rod, the first ball and the second ball gradually compress a pole piece along with the continuous downward movement of the straight rod, a cutter is used for punching the pole piece, the first ball and the second ball can be prevented from contacting with the L-shaped plate through the design of the first ball and the second ball, friction can be reduced, the pole piece is prevented from moving in the punching process, the stability of the punching process is ensured, and the production efficiency and the quality of the battery are accelerated.

Description

Solid-state battery lithium metal negative pole film-making device

Technical Field

The utility model relates to the technical field of lithium battery production and processing, in particular to a solid-state battery lithium metal negative electrode flaking device.

Background

The solid-state battery cell is generally composed of a positive electrode sheet, a negative electrode sheet, and a solid-state electrolyte. The metal lithium cathode is coiled on a reel, the surface of the metal lithium cathode is silvery white, smooth, straight, free of oil stain, scratch, crease and dent, and is provided with mylar protection, mylar is required to be singly collected during cutting, and the conventional lithium metal sheet making process generally adopts the processes of feeding a pole coil, automatically unreeling, mylar films, drawing lithium metal, cutting off a cutting die, laminating pole lugs, dotting pole lugs and pasting green glue.

Through patent retrieval discovery, a pole piece cross cutting equipment of publication number CN216705631U, including the drawing subassembly that is used for conveying the pole piece, and a plurality of groups of cross cutting subassembly that set up along the direction of delivery of pole piece, accomplish the die-cut shaping of a plurality of V type angles simultaneously on the pole piece through a plurality of groups of die cutting subassemblies, improve production efficiency greatly, adjust the distance between the cross cutting subassembly through the position adjustment subassembly, and then realize adjusting the distance between two adjacent V type angles when die-cut, compatible not unidimensional pole piece production improves the position accuracy, ensures cutting quality, improves production efficiency.

Although the punching of the polar plate can be realized, the rapid downward punching force can vibrate the polar plate in the punching process, so that the position of the polar plate can deviate, the punching precision is influenced, and the production efficiency and quality of the battery are influenced.

Disclosure of Invention

The utility model aims to make up the defects of the prior art and provides a solid-state battery lithium metal negative electrode sheet making device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a solid-state battery lithium metal negative pole film-making device, includes two L shaped plates that are the symmetry setting, two between the bottom that the L shaped plate is close to one side all rotate and be connected with a set of transmission shaft, two L shaped plate is close to one side all is equipped with stop gear, stop gear's top all is equipped with actuating mechanism;

stop gear is including establishing the straight-bar at L shaped plate horizontal end top, the spout has all been seted up to the both sides of straight-bar, the equal sliding connection of bottom of spout has L shape slider, the equal rigid coupling in top of L shape slider has a spring, and the top rigid coupling of a spring all with the top of spout, the equal rigid coupling in bottom of L shape slider has the connecting block, the bottom of connecting block all rotates and is connected with a ball, the top of L shape slider horizontal end all rotates and is connected with a set of ball No. two, the equal rigid coupling in bottom of straight-bar has the cutter, the nib has all been seted up on the surface of L shaped plate horizontal end.

Preferably, the actuating mechanism is including establishing the motor in the L shaped plate outside, the output rigid coupling of motor has the pivot, two the equal width cam of equal width cam's the outside all is equipped with square frame, the equal rigid coupling in top of L shaped plate has the dead lever, the equal sliding connection in surface of dead lever has the gag lever post, and the bottom of gag lever post all with square frame rigid coupling, the outside of gag lever post all overlaps and is equipped with No. two springs, and the top and the bottom of No. two springs all with dead lever post and square frame rigid coupling respectively.

Preferably, the side of L shaped plate all rigid coupling has the connecting plate, two the connecting plate is close to the bottom of one side and all rotates and be connected with the initiative roller, two the connecting plate is close to the top of one side and all rotates and be connected with driven roller, is located the front side the outside rigid coupling of pivot has the No. one pulley, the outside rigid coupling of initiative roller front end has the No. two pulley, all connect the belt between No. one pulley and the No. two pulley.

Preferably, the front end of the motor positioned at the front side is fixedly connected with an L-shaped fixing plate, and the rear end of the L-shaped fixing plate is fixedly connected with the L-shaped plate.

Preferably, the section of the chute is T-shaped, and the section of one end of the L-shaped sliding block positioned in the chute is T-shaped.

Preferably, the first ball and the second ball at the bottom are both on the same straight line, and the first ball and the second ball are elastic soft balls, and the first ball and the second ball on the same straight line.

Preferably, the outside rigid coupling of initiative roller has a protection pad, the outside rigid coupling of driven roller has a protection pad No. two.

The beneficial effects are that:

compared with the prior art, the solid-state battery lithium metal negative pole flaking device has the following beneficial effects:

1. according to the utility model, the L-shaped sliding block is driven to move downwards through the straight rod, the first round ball and the second round ball press the pole piece gradually along with the continuous downward movement of the straight rod, the pole piece is punched by the cutter, the pole piece is prevented from being contacted with the L-shaped plate through the design of the first round ball and the second round ball, the first round ball and the second round ball rotate along with the transportation of the pole piece, friction can be reduced, the pole piece is prevented from moving in the punching process, the stability of punching is ensured, the punching precision is improved, and the production efficiency and the quality of a battery are accelerated.

2. According to the utility model, the motor drives the rotating shaft to rotate, the rotating shaft drives the square frame to move up and down through the constant-width cam, and the square frame drives the straight rod to move up and down, so that the limit mechanism is driven.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a limiting mechanism according to the present utility model;

FIG. 3 is a schematic view of another view angle structure of the limiting mechanism according to the present utility model;

fig. 4 is a schematic structural view of a driving mechanism in the present utility model.

In the figure: 1. the device comprises an L-shaped plate, 2, a transmission shaft, 3, a limiting mechanism, 31, a straight rod, 32, a chute, 33, an L-shaped sliding block, 34, a first spring, 35, a connecting block, 36, a first round ball, 37, a second round ball, 38, a cutter, 39, a die hole, 4, a driving mechanism, 41, a motor, 42, a rotating shaft, 43, an equal-width cam, 44, a square frame, 45, a fixing rod, 46, a limiting rod, 47, a second spring, 5, a connecting plate, 6, a driving roller shaft, 7, a driven roller shaft, 8, a first belt pulley, 9, a second belt pulley, 10, a belt, 11, an L-shaped fixing plate, 12, a first protection pad, 13 and a second protection pad.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

As shown in fig. 1 to 4, a lithium metal negative pole flaking device of a solid-state battery comprises two symmetrically arranged L-shaped plates 1, a group of transmission shafts 2 are rotationally connected between the bottom ends of the two L-shaped plates 1, which are close to one another, the side surfaces of the L-shaped plates 1 are fixedly connected with connecting plates 5, the bottom ends of the two connecting plates 5, which are close to one another, are rotationally connected with a driving roll shaft 6, the top ends of the two connecting plates 5, which are close to one another, are rotationally connected with a driven roll shaft 7, a first belt pulley 8 is fixedly connected with the outer side of a rotating shaft 42 positioned at the front side, a second belt pulley 9 is fixedly connected with the outer side of the front end of the driving roll shaft 6, belts 10 are connected between the first belt pulley 8 and the second belt pulley 9, in a mode, the rotating shaft 42 drives the first belt pulley 8 to rotate, the second belt pulley 9 is driven by the belts 10, the second belt pulley 9 drives the driving roll shaft 6 to rotate, and under the friction action of the driving roll shaft 6 and the driven roll shaft 7, the pole piece 6 is driven to be conveyed onto the transmission shaft 2, a first protection pad 12 is fixedly connected with the outer side of the driving roll shaft 6, a second protection pad 13 is fixedly connected with the outer side of the driven roll shaft 7, and the first protection pad 13 and the second protection pad 13 is arranged on the outer side of the driving roll shaft 7, and the second protection pad 13 is provided with a large protection pad 13, and the top protection mechanism is designed against damage of the first protection mechanism 3, and the top plate 3 is arranged on the side 3, and is free of the top of the friction plate is provided with a large-protection mechanism, and is provided with a large protection pad, and is provided with a large protection mechanism;

the stop gear 3 is including establishing the straight-bar 31 at L shaped plate 1 horizontal end top, spout 32 has all been seted up to the both sides of straight-bar 31, the equal sliding connection in bottom of spout 32 has L shape slider 33, the cross-section of spout 32 is the T shape, and the one end cross-section that L shape slider 33 is located spout 32 is the T shape, can play spacing effect to L shape slider 33, avoid L shape slider 33 to appear breaking away from spout 32's condition emergence, the top of L shape slider 33 all rigid coupling has spring 34, and the top of spring 34 all with spout 32's top rigid coupling, the bottom of L shape slider 33 all rigid coupling has connecting block 35, the bottom of connecting block 35 all rotates and is connected with ball 36 No. one, the equal swivelling joint in top of the horizontal end of L shape slider 33 has ball 37 No. two, ball 36 and bottom No. two balls 37 all are in same straight line, and ball 36 No. and No. two balls 37 are the elasticity soft ball, the equal straight-bar 36 and No. ball 37 on the same straight line can avoid the soft pole piece to extrude to cause the damage, and the bottom of pole piece and the equal friction plate that has the flat plate 31 of pole piece, the bottom has the equal bore of L shaped plate 31 has, the equal bore of friction plate is seted up.

When the punching device is in operation, the driving mechanism 4 drives the straight rod 31 to move downwards, the straight rod 31 drives the L-shaped sliding block 33 and the cutter 38 to move downwards simultaneously, the L-shaped sliding block 33 drives the connecting block 35 to move downwards, the connecting block 35 can be in contact with the pole piece in advance, the first spring 34 is compressed, the first round ball 36 and the second round ball 37 gradually compress the pole piece, the cutter 38 punches the pole piece, the pole piece cannot be in contact with the surface of the L-shaped plate 1 through the arrangement of the first round ball 36 and the second round ball 37, friction cannot occur, the L-shaped sliding block 33 can be driven to move downwards by the straight rod 31 along with the movement of the pole piece, the first round ball 36 and the second round ball 37 gradually compress the pole piece, the cutter 38 presses the pole piece, the pole piece can be prevented from being in contact with the L-shaped plate 1 through the design of the first round ball 36 and the second round ball 37, the punching accuracy can be improved when the punching device is in favor of ensuring that the punching accuracy of the position of the battery is reduced along with the movement of the straight rod 31, the punching accuracy of the punching device is improved, the punching accuracy of the punching device can be guaranteed when the punching accuracy is improved along with the movement of the position of the battery is guaranteed.

The driving mechanism 4 comprises a motor 41 arranged on the outer side of the L-shaped plate 1, an L-shaped fixing plate 11 is fixedly connected to the front end of the motor 41 positioned on the front side, the rear end of the L-shaped fixing plate 11 is fixedly connected with the L-shaped plate 1, the L-shaped fixing plate 11 plays a role in fixing the motor 41, a rotating shaft 42 is fixedly connected to the output end of the motor 41, equal-width cams 43 are fixedly connected to the ends, close to the two rotating shafts 42, of the same width cams 43, square frames 44 are respectively arranged on the outer sides of the equal-width cams 43, fixing rods 45 are fixedly connected to the top ends of the L-shaped plate 1, limiting rods 46 are slidably connected to the surfaces of the fixing rods 45, the bottom ends of the limiting rods 46 are fixedly connected with the square frames 44, no. two springs 47 are sleeved on the outer sides of the limiting rods 46, and the top ends and the bottom ends of the No. two springs 47 are fixedly connected with the fixing rods 45 and the square frames 44 respectively.

When the motor 41 is switched on in operation, the output end of the motor 41 drives the rotating shaft 42 to rotate, the rotating shaft 42 drives the constant-width cam 43 to rotate, the constant-width cam 43 can drive the square frame 44 to move up and down in the rotating process, the square frame 44 drives the straight rod 31 to move up and down and drives the limiting rod 46 to move up and down, the fixing rod 45 is designed, the limiting effect on the movement of the square frame 44 is achieved, the rotating shaft 42 is driven by the motor 41 to rotate, the rotating shaft 42 drives the square frame 44 to move up and down through the constant-width cam 43, and the square frame 44 drives the straight rod 31 to move up and down, so that the limiting mechanism 3 is driven.

Working principle: when the structure works, the power supply of the motor 41 is connected, the output end of the motor 41 drives the rotating shaft 42 to rotate, the rotating shaft 42 drives the constant-width cam 43 to rotate, the constant-width cam 43 drives the square frame 44 to move up and down in the rotating process, the square frame 44 drives the straight rod 31 to move up and down and drives the limiting rod 46 to move up and down, the fixing rod 45 is designed, the movement of the square frame 44 plays a limiting role, the structure drives the rotating shaft 42 to rotate through the motor 41, the rotating shaft 42 drives the square frame 44 to move up and down through the constant-width cam 43, the square frame 44 drives the straight rod 31 to move up and down to drive the limiting mechanism 3, the square frame 44 drives the straight rod 31 to move down, the straight rod 31 drives the L-shaped sliding block 33 and the cutter 38 to move down simultaneously, the L-shaped sliding block 33 drives the connecting block 35 to move down, the connecting block 35 is contacted with the pole piece in advance, the spring 34 is compressed along with the continuous downward movement of the straight rod 31, the first round ball 36 and the second round ball 37 gradually compress the pole piece, then the cutter 38 punches the pole piece, the pole piece cannot contact with the surface of the L-shaped plate 1 and cannot generate friction through the arrangement of the first round ball 36 and the second round ball 37, the pole piece can be normally conveyed, the first round ball 36 and the second round ball 37 rotate along with the movement of the pole piece, the device drives the L-shaped sliding block 33 to move downwards through the straight rod 31 and continuously moves downwards along with the straight rod 31, the first round ball 36 and the second round ball 37 gradually compress the pole piece, the cutter 38 punches the pole piece, the design of the first round ball 36 and the second round ball 37 can prevent the pole piece from contacting with the L-shaped plate 1, the first round ball 36 and the second round ball 37 rotate along with the transportation of the pole piece, the friction can be reduced, the position of the pole piece in the punching process is prevented from moving, the stability in punching is ensured, the die cutting precision is improved, and the production efficiency and quality of the battery are improved.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a solid-state battery lithium metal negative pole film-making device, is L shaped plate (1) that symmetry set up, its characterized in that including two: a group of transmission shafts (2) are rotatably connected between the bottom ends of the two L-shaped plates (1) close to one side, a limiting mechanism (3) is arranged on one side of the two L-shaped plates (1) close to one side, and a driving mechanism (4) is arranged at the top of the limiting mechanism (3);

stop gear (3) are including establishing straight-bar (31) at L shaped plate (1) horizontal end top, spout (32) have all been seted up at the both sides of straight-bar (31), the equal sliding connection in bottom of spout (32) has L shape slider (33), the top of L shape slider (33) all rigid coupling has spring (34) No. one, and the top rigid coupling of spring (34) all with spout (32), the bottom of L shape slider (33) all rigid coupling has connecting block (35), the bottom of connecting block (35) all rotates and is connected with ball (36) No. one, the top of L shape slider (33) horizontal end all rotates and is connected with ball (37) No. two, the equal rigid coupling in bottom of straight-bar (31) has cutter (38), die orifice (39) have all been seted up on the surface of L shaped plate (1) horizontal end.

2. The solid state battery lithium metal negative electrode tabletting device according to claim 1, wherein: the driving mechanism (4) comprises a motor (41) arranged on the outer side of an L-shaped plate (1), a rotating shaft (42) is fixedly connected to the output end of the motor (41), two equal-width cams (43) are fixedly connected to one ends, close to the rotating shaft (42), of the same-width cams (43), square frames (44) are arranged on the outer sides of the equal-width cams (43), fixing rods (45) are fixedly connected to the top ends of the L-shaped plate (1), limiting rods (46) are fixedly connected to the surfaces of the fixing rods (45) in a sliding mode, the bottom ends of the limiting rods (46) are fixedly connected with the square frames (44), no. two springs (47) are sleeved on the outer sides of the limiting rods (46), and the top ends and the bottom ends of the No. two springs (47) are fixedly connected with the fixing rods (45) and the square frames (44) respectively.

3. The solid state battery lithium metal negative electrode tabletting device according to claim 2, wherein: the side of L shaped plate (1) all rigid coupling has connecting plate (5), two connecting plate (5) all rotate near the bottom of one side mutually and are connected with initiative roller (6), two connecting plate (5) all rotate near the top of one side mutually and are connected with driven roller (7), are located the front side the outside rigid coupling of pivot (42) has No. one belt pulley (8), the outside rigid coupling of initiative roller (6) front end has No. two belt pulley (9), all connect belt (10) between No. one belt pulley (8) and No. two belt pulley (9).

4. The solid state battery lithium metal negative electrode tabletting device according to claim 2, wherein: the front end of the motor (41) positioned at the front side is fixedly connected with an L-shaped fixing plate (11), and the rear end of the L-shaped fixing plate (11) is fixedly connected with the L-shaped plate (1).

5. The solid state battery lithium metal negative electrode tabletting device according to claim 1, wherein: the section of the chute (32) is T-shaped, and the section of one end of the L-shaped sliding block (33) positioned in the chute (32) is T-shaped.

6. The solid state battery lithium metal negative electrode tabletting device according to claim 1, wherein: the first round ball (36) and the second round ball (37) at the bottom are both on the same straight line, and the first round ball (36) and the second round ball (37) are elastic soft balls, and the first round ball (36) and the second round ball (37) on the same straight line.

7. A solid state battery lithium metal negative electrode pellet fabrication apparatus as defined in claim 3, wherein: the outside rigid coupling of initiative roller (6) has protection pad (12) No. one, the outside rigid coupling of driven roller (7) has protection pad (13) No. two.