阅读说明：本技术 一种锂电池生产用极片压片装置 (Pole piece tabletting device for lithium battery production ) 是由 王梅 于 2021-08-12 设计创作，主要内容包括：本发明涉及一种锂电池生产用极片压片装置,包括主体箱、第一压片辊和第二压片辊,所述主体箱的正面设置有开合门,所述主体箱的上表面固定连接有开卷机,所述主体箱的一侧固定连接有收卷机,所述主体箱的内壁固定连接有顶盖,所述顶盖的上表面固定连接有导向辊,所述主体箱的内壁设置有调节组件,所述顶盖的上表面固定连接有逆向组件,所述主体箱的内壁设置有除粉组件。本发明中,通过调节组件对第二压片辊进行移动,调节第一压片辊与第二压片辊之间的距离,通过逆向组件防止不规则的正负极材料造成第二压片辊出现偏移,通过除粉组件将第一压片辊和第二压片辊表面沾染的粉末去除,从而使该锂电池生产用极片压片装置提高了极片压片的质量。(The invention relates to a pole piece tabletting device for lithium battery production, which comprises a main box, a first tabletting roller and a second tabletting roller, wherein the front side of the main box is provided with an opening and closing door, the upper surface of the main box is fixedly connected with an uncoiler, one side of the main box is fixedly connected with a coiling machine, the inner wall of the main box is fixedly connected with a top cover, the upper surface of the top cover is fixedly connected with a guide roller, the inner wall of the main box is provided with an adjusting component, the upper surface of the top cover is fixedly connected with a reverse component, and the inner wall of the main box is provided with a powder removing component. According to the invention, the second tabletting roller is moved by the adjusting assembly, the distance between the first tabletting roller and the second tabletting roller is adjusted, the second tabletting roller is prevented from deviating due to irregular positive and negative electrode materials by the reverse assembly, and the powder stained on the surfaces of the first tabletting roller and the second tabletting roller is removed by the powder removing assembly, so that the quality of the pole piece tabletting is improved by the pole piece tabletting device for lithium battery production.)

1. The utility model provides a pole piece film clamp for lithium cell production, includes main part case (1), first preforming roller (2) and second preforming roller (3), the front of main part case (1) is provided with the door that opens and shuts, its characterized in that: the upper surface fixedly connected with decoiler (4) of main part case (1), one side fixedly connected with rolling machine (5) of main part case (1), inner wall fixedly connected with top cap (6) of main part case (1), the upper surface fixedly connected with guide roll (10) of top cap (6), the inner wall of main part case (1) is provided with adjusting part (7), the reverse subassembly (8) of upper surface fixedly connected with of top cap (6), the inner wall of main part case (1) is provided with gumming subassembly (9).

2. The pole piece tabletting device for lithium battery production as claimed in claim 1, wherein: adjusting part (7) are including seting up the spout in main part case (1) front and back side inner wall, and the interior diapire sliding connection of spout has slide (701), threaded hole is seted up to one side of main part case (1), and the inner wall threaded connection of threaded hole has lead screw (702), the one end of lead screw (702) is rotated with one side of slide (701) and is connected, one of them the one end that slide (701) were kept away from in lead screw (702) is located main part case (1) outer and fixedly connected with carousel (703).

3. The pole piece tabletting device for lithium battery production as claimed in claim 2, wherein: the surface of the screw rod (702) is fixedly connected with an adjusting belt wheel (704), the inner wall of the main body box (1) is provided with a groove, the adjusting belt wheel (704) is located in an inner cavity of the groove, the surface of the adjusting belt wheels (704) is provided with a same synchronous belt (705), and the adjusting belt wheels (704) are in transmission connection through the synchronous belt (705).

4. The pole piece tabletting device for lithium battery production as claimed in claim 2, wherein: the front and the back of the first tabletting roller (2) are respectively rotatably connected with the inner walls of the front side and the back side of the main box (1), the front of the main box (1) is fixedly connected with a first motor (11), the output end of the first motor (11) penetrates through the inner wall of the main box (1) and is fixedly connected with the front of the first tabletting roller (2), the front and the back of the second tabletting roller (3) are respectively rotatably connected with the opposite surfaces of the two sliding seats (701), the inner wall of each sliding groove is provided with a sliding way, the inner bottom wall of each sliding way is slidably connected with a sliding block (706), the back of each sliding block (706) is fixedly connected with the front of each sliding seat (701), the front of each sliding block (706) is fixedly connected with a mounting plate (707), the front of each mounting plate (707) is fixedly connected with a second motor (12), and the output end of each second motor (12) penetrates through the mounting plate (707), The sliding block (706) and the back surface of the sliding seat (701) are fixedly connected with the front surface of the second sheeting roller (3).

5. The pole piece tabletting device for lithium battery production as claimed in claim 1, wherein: the front face of the main body box (1) is fixedly connected with an infrared distance meter (708), and the infrared distance meter (708) is opposite to the mounting plate (707).

6. The pole piece tabletting device for lithium battery production as claimed in claim 1, wherein: the reverse assembly (8) comprises a water storage tank (801) which is connected with the upper surface of the top cover (6), a cover plate (802) is fixedly connected to the inner wall of the water storage tank (801), a mounting hole is formed in the upper surface of the cover plate (802), a water suction cylinder (803) is fixedly connected to the inner wall of the mounting hole, a rotating shaft (804) is rotatably connected to the upper surface of the water suction cylinder (803), a fixing plate (805) is fixedly connected to one side of the main body box (1), a rotating hole is formed in the upper surface of the fixing plate (805), a supporting rod (806) is rotatably connected to the inner wall of the rotating hole, reverse pulleys (807) are fixedly connected to the top ends of the rotating shaft (804) and the supporting rod (806), the same transmission belt (808) is arranged on the surfaces of the two reverse pulleys (807), the two reverse pulleys (807) are in transmission connection through the transmission belt (808), and driven bevel gears (809) are fixedly connected to the bottom ends of the supporting rod (806), the back fixedly connected with connecting axle of first preforming roller (2), and the one end of connecting axle runs through the back of main part case (1) and fixedly connected with drive bevel gear (810), drive bevel gear (810) and driven bevel gear (809) meshing, the inner top wall of a section of thick bamboo (803) that absorbs water is run through to the bottom of axis of rotation (804), and the fixed surface of axis of rotation (804) connects spiral delivery board (811).

7. The pole piece tabletting device for lithium battery production as claimed in claim 6, wherein: the inner wall of the right side of the main body box (1) is provided with a track groove, the inner wall of the track groove is connected with a transverse plate (812) in a sliding manner, the left side of the transverse plate (812) is provided with a connecting groove, the inner wall of the connecting groove is connected with a push rod (813) in a rotating manner, one end, far away from the transverse plate (812), of the push rod (813) is connected with the upper surface of the sliding seat (701) in a rotating manner, the upper surface of the main body box (1) is provided with a resistance groove, the inner wall of the resistance groove is connected with a sliding plate (814) in a sliding manner, the lower surface of the sliding plate (814) is fixedly connected with a connecting rod (815), the inner bottom wall of the resistance groove is provided with a through hole, the inner wall of the through hole is connected with the surface of the connecting rod (815) in a sliding manner, the bottom end of the connecting rod (815) penetrates through the through hole and is fixedly connected with the upper surface of the transverse plate (812), the inner wall of the resistance groove is fixedly connected with a sealing cover (816), the surface of the water suction cylinder (803) is fixedly connected with a communicating pipe (817), and one end of the communicating pipe (817) far away from the water suction cylinder (803) is fixedly connected with the upper surface of the sealing cover (816) and penetrates through the lower surface of the sealing cover (816).

8. The pole piece tabletting device for lithium battery production as claimed in claim 1, wherein: the powder removing assembly (9) comprises two powder removing boxes (901), a first baffle (902) is fixedly connected to the inner bottom wall of each powder removing box (901), a second baffle (903) is fixedly connected to the inner top wall of each powder removing box (901), the end faces of the powder removing boxes (901) are respectively provided with a powder scraping face (904) and an avoiding face (905), the two powder scraping faces (904) are respectively attached to the surfaces of a first pressing roller (2) and a second pressing roller (3), the front face and the back face of one powder removing box (901) are respectively fixedly connected with the inner walls of the front side and the back side of a main box (1), the front face and the back face of the other powder removing box (901) are respectively connected with the inner walls of the front side and the back side of the main box (1) in a sliding manner, a spring seat (923) is fixedly connected to the lower surface of the other powder removing box (901), and a powder removing spring (906) is fixedly connected to the right side of the spring seat (923), one end, far away from the spring seat (923), of the powder removing spring (906) is fixedly connected with the inner wall of the right side of the main box (1), the left side of the powder removing box (901) close to the first pressing roller (2) is fixedly connected with a first vent pipe (907), the right side of the powder removing box (901) close to the second pressing roller (3) is fixedly connected with a telescopic pipe (908), the surface of the telescopic pipe (908) is slidably connected with a second vent pipe (909), the top ends of the first vent pipe (907) and the second vent pipe (909) penetrate through the upper surface of the top cover (6) and are fixedly connected with the same vertical pipe (910), the bottom end of the vertical pipe (910) is fixedly connected with an air injection pipe (911), the top end of the vertical pipe (910) is fixedly connected with a power cylinder (912), the inner wall of the power cylinder (912) is fixedly connected with a blocking cover (922), and the inner bottom wall of the power cylinder (912) is provided with a power hole, and the inner wall of the power hole is rotatably connected with a rotating shaft (913), the surface of the rotating shaft (913) is fixedly connected with a rotating blade (914), and the bottom end of the rotating shaft (913) penetrates through the power hole and the inner top wall of the vertical pipe (910) and is fixedly connected with a fan blade (915).

9. The pole piece tabletting device for lithium battery production as claimed in claim 7, wherein: the surface of the communicating pipe (817) is fixedly connected with an outer cylinder (916), the inner wall of the outer cylinder (916) is fixedly connected with an opening and closing spring (917), one end of the opening and closing spring (917) is fixedly connected with a piston (918), the surface of the piston (918) is in sliding connection with the inner wall of the outer cylinder (916), and a communicating hole (919) is formed in the surface of the outer cylinder (916).

10. The pole piece tabletting device for lithium battery production as claimed in claim 9, wherein: the surface fixed connection of urceolus (916) has inlet tube (920), intercommunicating pore (919) are located the inner chamber of inlet tube (920), the one end that urceolus (916) was kept away from in inlet tube (920) is connected with the surface fixed of power section of thick bamboo (912) and runs through the inner wall of power section of thick bamboo (912), the surface fixed connection of power section of thick bamboo (912) has outlet pipe (921), the one end that power section of thick bamboo (912) was kept away from in outlet pipe (921) is connected with the surface fixed of water storage box (801) and runs through the inner wall of water storage box (801).

Technical Field

The invention relates to the technical field of lithium battery production, in particular to a pole piece tabletting device for lithium battery production.

Background

The lithium battery is a primary battery which takes lithium metal or lithium alloy as a negative electrode material and uses non-aqueous electrolyte solution, a pole piece is an important component of the lithium battery, the quality of the pole piece directly influences the quality of the lithium battery, and the manufacturing process of the pole piece mainly comprises the following steps: mixing, coating, rolling and slitting, wherein the rolling is to roll and press the coated positive and negative electrode materials so that the positive and negative electrode materials are better attached to an aluminum foil or a copper foil in a compacted manner, the quality of a pole piece is improved, and a pole piece tabletting device is required in the process.

Pole piece film clamp adopts two compaction rollers to prick the pressure to the pole piece, however, the pole piece after current film clamp pricks still has some flaws, and its reason is:

1. the distance between the two compaction rollers is inconvenient to adjust, or the adjustment precision is insufficient, so that the thickness of the pole piece does not accord with the design standard, and the quality of the pole piece is directly influenced;

2. the compaction rollers with the adjusted intervals have certain differences in the positive and negative electrode materials coated on the surfaces of the pole pieces in the working process, and when the compaction rollers are used for binding the positive and negative electrode materials, the compaction rollers are subjected to the reaction force of the positive and negative electrode materials, so that the deflection of the compaction rollers is caused, and the binding effect is influenced;

3. after the compaction roller works for a long time, the surface of the compaction roller is inevitably contaminated with anode and cathode material powder, so that the stress of the pole piece is uneven during working, and the quality of the pole piece is reduced.

In order to solve the problems, the invention provides a pole piece tabletting device for lithium battery production.

Disclosure of Invention

(1) Technical problem to be solved

The invention aims to overcome the defects of the prior art, adapt to the practical requirements and provide a pole piece tabletting device for lithium battery production so as to solve the technical problems.

(2) Technical scheme

In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:

the utility model provides a pole piece film clamp for lithium cell production, includes main part case, first preforming roller and second preforming roller, the front of main part case is provided with the door that opens and shuts, the last fixed surface of main part case is connected with the decoiler, one side fixedly connected with rolling machine of main part case, the inner wall fixedly connected with top cap of main part case, the last fixed surface of top cap is connected with the guide roll, the inner wall of main part case is provided with adjusting part, the last fixed surface of top cap is connected with reverse subassembly, the inner wall of main part case is provided with except that whitewashed subassembly.

Further, the adjusting part is including seting up the spout in the main part case front and back side inner wall, and the interior diapire sliding connection of spout has the slide, threaded hole is seted up to one side of main part case, and the inner wall threaded connection of threaded hole has the lead screw, the one end of lead screw is rotated with one side of slide and is connected, one of them the lead screw is kept away from the one end of slide and is located the main part case and fixedly connected with carousel outward.

Further, the fixed surface of lead screw is connected with adjusts the band pulley, the inner wall of main part case is seted up flutedly, and adjusts the inner chamber that the band pulley is located the recess, two adjust the surface of band pulley and be provided with same hold-in range, two adjust the band pulley and pass through synchronous belt drive and connect.

Further, the front and the back of the first sheeting roller are respectively rotatably connected with the inner walls of the front and the back of the main box, the front of the main box is fixedly connected with a first motor, the output end of the first motor penetrates through the inner wall of the main box and is fixedly connected with the front of the first sheeting roller, the front and the back of the second sheeting roller are respectively rotatably connected with two opposite faces of the slide seat, the inner wall of the slide groove is provided with a slide way, the inner bottom wall of the slide way is slidably connected with a slide block, the back of the slide block is fixedly connected with the front of the slide seat, the front of the slide block is fixedly connected with a mounting plate, the front of the mounting plate is fixedly connected with a second motor, and the output end of the second motor penetrates through the backs of the mounting plate, the slide block and the slide seat and is fixedly connected with the front of the second sheeting roller.

Further, the front of main part case fixedly connected with infrared distance meter, infrared distance meter just faces with the mounting panel.

Further, the reverse component comprises a water storage tank which is connected with the upper surface of the top cover, the inner wall of the water storage tank is fixedly connected with a cover plate, the upper surface of the cover plate is provided with a mounting hole, the inner wall of the mounting hole is fixedly connected with a water suction cylinder, the upper surface of the water suction cylinder is rotatably connected with a rotating shaft, one side of the main box is fixedly connected with a fixed plate, the upper surface of the fixed plate is provided with a rotating hole, the inner wall of the rotating hole is rotatably connected with a supporting rod, the top ends of the rotating shaft and the supporting rod are both fixedly connected with reverse belt wheels, the surfaces of the two reverse belt wheels are provided with a same driving belt, the two reverse belt wheels are connected through the driving belt, the bottom end of the supporting rod is fixedly connected with a driven bevel gear, the back surface of the first sheeting roller is fixedly connected with a connecting shaft, and one end of the connecting shaft penetrates through the back surface of the main box and is fixedly connected with a driving bevel gear, the driving bevel gear is meshed with the driven bevel gear, the bottom end of the rotating shaft penetrates through the inner top wall of the water suction cylinder, and the surface of the rotating shaft is fixedly connected with the spiral conveying plate.

Furthermore, the inner wall of the right side of the main body box is provided with a track groove, the inner wall of the track groove is connected with a transverse plate in a sliding way, the left side of the transverse plate is provided with a connecting groove, and the inner wall of the connecting groove is rotationally connected with a push rod, one end of the push rod, which is far away from the transverse plate, is rotationally connected with the upper surface of the sliding seat, the upper surface of the main body box is provided with a resistance groove, the inner wall of the resistance groove is connected with a sliding plate in a sliding way, the lower surface of the sliding plate is fixedly connected with a connecting rod, the inner bottom wall of the resistance groove is provided with a through hole, the inner wall of the through hole is connected with the surface of the connecting rod in a sliding way, the bottom end of the connecting rod penetrates through the through hole and is fixedly connected with the upper surface of the transverse plate, the inner wall of the resistance groove is fixedly connected with a sealing cover, the surface of the water suction cylinder is fixedly connected with a communicating pipe, and one end of the communicating pipe, which is far away from the water suction cylinder, is fixedly connected with the upper surface of the sealing cover and penetrates through the lower surface of the sealing cover.

Further, the powder removing component comprises two powder removing boxes, wherein a first baffle is fixedly connected to the inner bottom wall of each powder removing box, a second baffle is fixedly connected to the inner top wall of each powder removing box, the end faces of the powder removing boxes are respectively provided with a powder scraping face and a powder avoiding face, the two powder scraping faces are respectively attached to the surfaces of a first pressing roller and a second pressing roller, the front face and the back face of one powder removing box are respectively fixedly connected with the inner walls of the front side and the back side of the main box, the front face and the back face of the other powder removing box are respectively in sliding connection with the inner walls of the front side and the back side of the main box, a spring seat is fixedly connected to the lower surface of the other powder removing box, a powder removing spring is fixedly connected to the right side of the spring seat, one end, far away from the spring seat, of the powder removing spring is fixedly connected with the inner wall of the right side of the main box, and the left side, close to the first pressing roller, of the powder removing box is fixedly connected with a first vent pipe, be close to the flexible pipe of right side fixedly connected with that removes the powder box of second preforming roller, the surperficial sliding connection of flexible pipe has the second breather pipe, the same vertical pipe of upper surface and fixedly connected with of top cap is all run through on first breather pipe and the tracheal top of second breather pipe, the jet-propelled pipe of bottom fixedly connected with of vertical pipe, the top fixed connection of vertical pipe has a power section of thick bamboo, the inner wall fixedly connected with shutoff lid of power section of thick bamboo, the inner diapire of power section of thick bamboo is seted up there is the power hole, and the inner wall rotation in power hole is connected with the rotation axis, the fixed surface of rotation axis is connected with the rotation leaf, the bottom of rotation axis runs through the interior roof and the fixedly connected with flabellum of power hole and vertical pipe.

Further, the outer cylinder is fixedly connected to the surface of the communicating pipe, an opening and closing spring is fixedly connected to the inner wall of the outer cylinder, a piston is fixedly connected to one end of the opening and closing spring, the surface of the piston is in sliding connection with the inner wall of the outer cylinder, and a communicating hole is formed in the surface of the outer cylinder.

Further, the fixed surface of urceolus is connected with the inlet tube, the intercommunicating pore is located the inner chamber of inlet tube, the one end that the urceolus was kept away from to the inlet tube is connected with the fixed surface of power section of thick bamboo and runs through the inner wall of power section of thick bamboo, the fixed surface of power section of thick bamboo is connected with the outlet pipe, the one end that the power section of thick bamboo was kept away from to the outlet pipe is connected with the fixed surface of water storage box and runs through the inner wall of water storage box.

(3) Has the advantages that:

A. according to the invention, the screw rod is driven to rotate by rotating the rotary table, so that the screw rod is displaced relative to the main box, the slide seat is driven to move, the second tabletting roller is driven to move, the distance between the second tabletting roller and the first tabletting roller is adjusted, the other screw rod is synchronously rotated by matching of the two adjusting belt wheels and the synchronous belt, so that the second tabletting roller is prevented from offsetting during moving, the distance adjusting precision is improved by matching of the infrared distance meter and the mounting plate, so that the quality of a pole piece is improved, and the problem that the quality of the pole piece is influenced by inconvenient adjustment of the compacting roller and insufficient adjusting precision is solved by the pole piece tabletting device for lithium battery production.

B. In the invention, the sliding seat moves towards the direction of the first tabletting roller to drive the pushing rod to move, further drives the transverse plate to move downwards, further drives the connecting rod to move, further drives the sliding plate to move downwards, so that the pressure above the sliding plate in the resistance groove is reduced, further water in the water storage tank enters the resistance groove along the water suction cylinder and the communicating pipe to be supplemented, the resistance groove is filled with water, the first tabletting roller operates to drive the connecting shaft, further drives the driving bevel gear to rotate, the driving bevel gear is meshed with the driven bevel gear, so that the driving bevel gear drives the driven bevel gear to rotate, further drives the supporting rod to rotate, further drives the reverse belt wheel fixed with the supporting rod to rotate, and through the matching of the two reverse belt wheels and the driving belt, the rotating shaft is driven to rotate, further drives the spiral conveying plate to rotate, the water in the water storage tank is conveyed upwards and is injected into the resistance groove through the communicating pipe, the pressure above the sliding plate in the damping groove is increased to increase the pressure of water on the sliding plate, so that the reaction of the positive and negative electrode materials on the second tabletting roller is reduced, and the deviation is prevented, so that the pole piece tabletting device for lithium battery production solves the problem of quality reduction of the pole piece caused by the stress action of the compaction roller due to the difference of the positive and negative electrode materials.

C. In the invention, the powder scraping surface is attached to the surfaces of a first sheet pressing roller and a second sheet pressing roller, when the first sheet pressing roller and the second sheet pressing roller rotate, anode and cathode material powder attached to the surfaces of the first sheet pressing roller and the second sheet pressing roller are scraped, water in a water storage tank is continuously conveyed through a spiral conveying plate, the pressure in a resistance groove is continuously increased until a piston is subjected to the pressure of the water and moves along the inner wall of an outer cylinder to open a communicating hole by overcoming the elasticity of an opening and closing spring, and then part of the water enters a water inlet pipe through the communicating hole, flows into a power cylinder through a water inlet pipe and flows back into the water storage tank through a water outlet pipe, and water flows in the power cylinder to drive a rotating blade to rotate, so as to drive a rotating shaft to rotate, and further drive a fan blade to rotate to generate wind from top to bottom, so that one end of a first vent pipe and one end of a second vent pipe connected with a powder removing box generate suction force, so that the scraped powder is sucked to the powder removing box, through the cooperation of first baffle and second baffle, keep off the powder that is inhaled in the air down, make it fall and be convenient for collect in the gumming box to make this pole piece film clamp for lithium cell production be infected with positive negative pole material powder and cause the uneven atress of pole piece, reduce its problem of quality with compaction roller surface.

D. According to the pole piece tabletting device for lithium battery production, air dedusted by the first baffle and the second baffle is guided into the air injection pipe through the first vent pipe, the second vent pipe and the vertical pipe, and is injected to the surfaces of the first motor and the second motor through the air injection pipe, so that the air circulation nearby the first motor and the second motor is increased, the heat dissipation is realized, and the pole piece tabletting device for lithium battery production has a good heat dissipation effect.

Drawings

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

FIG. 2 is a schematic sectional view of the main body casing according to the present invention;

FIG. 3 is a perspective (cross-sectional view of the main body case) view of the adjustment assembly of the present invention;

FIG. 4 is a schematic perspective (sectional view of the main body case) view of the adjusting assembly of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;

FIG. 6 is a perspective view of a reversing element according to the present invention;

FIG. 7 is a schematic cross-sectional view of a reservoir and cover of the present invention;

FIG. 8 is a schematic cross-sectional view of a barrel according to the present invention;

FIG. 9 is a schematic perspective (sectional view of the main body case) view of the push rod of the present invention;

FIG. 10 is a schematic perspective view of the powder removing assembly of the present invention;

FIG. 11 is a schematic cross-sectional view of the powder removing box of the present invention;

FIG. 12 is a schematic sectional view of the outer tub of the present invention;

FIG. 13 is a schematic cross-sectional view of the vertical tube, gas lance and power cartridge of the present invention;

fig. 14 is a schematic view showing the structure of the flow direction of water flow and gas flow according to the present invention.

The reference numbers are as follows:

1. a main body case; 2. a first sheeting roller; 3. a second sheeting roller; 4. an uncoiler; 5. a winding machine; 6. a top cover; 7. an adjustment assembly; 701. a slide base; 702. a screw rod; 703. a turntable; 704. adjusting the belt pulley; 705. a synchronous belt; 706. a slider; 707. mounting a plate; 708. an infrared range finder; 8. a reverse component; 801. a water storage tank; 802. a cover plate; 803. a water suction cylinder; 804. a rotating shaft; 805. a fixing plate; 806. a support bar; 807. a reverse pulley; 808. a transmission belt; 809. a driven bevel gear; 810. a drive bevel gear; 811. a spiral conveying plate; 812. a transverse plate; 813. a push rod; 814. a sliding plate; 815. a connecting rod; 816. a sealing cover; 817. a communicating pipe; 9. a dusting component; 901. removing the powder box; 902. a first baffle plate; 903. a second baffle; 904. scraping powder; 905. an avoidance surface; 906. a powder removing spring; 907. a first vent pipe; 908. a telescopic pipe; 909. a second vent pipe; 910. a vertical tube; 911. a gas ejector tube; 912. a power cylinder; 913. a rotating shaft; 914. rotating the blades; 915. a fan blade; 916. an outer cylinder; 917. opening and closing the spring; 918. a piston; 919. a communicating hole; 920. a water inlet pipe; 921. a water outlet pipe; 922. a blocking cover; 923. a spring seat; 10. a guide roller; 11. a first motor; 12. a second motor.

Detailed Description

The invention will be further illustrated with reference to the following figures 1 to 14 and examples:

as shown in fig. 1-2, a pole piece film pressing device for lithium battery production, including main body case 1, first preforming roller 2 and second preforming roller 3, the front of main body case 1 is provided with the door that opens and shuts, the last fixed surface of main body case 1 is connected with decoiler 4, one side fixedly connected with rolling machine 5 of main body case 1, the inner wall fixedly connected with top cap 6 of main body case 1, the last fixed surface of top cap 6 is connected with guide roll 10, the inner wall of main body case 1 is provided with adjusting part 7, the last fixed surface of top cap 6 is connected with reverse subassembly 8, the inner wall of main body case 1 is provided with except that whitewashed subassembly 9.

Concretely, through the cooperation of first preforming roller 2 with second preforming roller 3 with the pole piece compaction, open a book the pole piece book through decoiler 4, pole piece rolling after will compacting through rolling machine 5, lead through the pole piece transmission of guide roll 10, remove second preforming roller 3 through adjusting part 7, adjust the distance between first preforming roller 2 and the second preforming roller 3, in order to accord with the processing requirement, prevent through reverse subassembly 8 that irregular positive negative pole material from causing second preforming roller 3 to appear squinting, get rid of the powder that is infected with first preforming roller 2 and second preforming roller 3 surface through removing powder subassembly 9.

In this embodiment, as shown in fig. 3 to 5, the adjusting assembly 7 includes sliding grooves formed on inner walls of front and rear sides of the main body box 1, a sliding seat 701 is slidably connected to an inner bottom wall of the sliding groove, a threaded hole is formed in one side of the main body box 1, a screw rod 702 is threadedly connected to an inner wall of the threaded hole, one end of the screw rod 702 is rotatably connected to one side of the sliding seat 701, and one end of one of the screw rod 702, which is far away from the sliding seat 701, is located outside the main body box 1 and is fixedly connected to a rotating disc 703.

The surface of the screw 702 is fixedly connected with an adjusting belt wheel 704, the inner wall of the main box 1 is provided with a groove, the adjusting belt wheel 704 is positioned in the inner cavity of the groove, the surfaces of the two adjusting belt wheels 704 are provided with a same synchronous belt 705, and the two adjusting belt wheels 704 are in transmission connection through the synchronous belt 705.

The front and the back of first preforming roller 2 rotate with the front and back side inner wall of main part case 1 respectively and are connected, the first motor 11 of front fixedly connected with of main part case 1, the output of first motor 11 runs through the inner wall of main part case 1 and with the front fixed connection of first preforming roller 2, the front and the back of second preforming roller 3 rotate with the opposite face of two slides 701 respectively and are connected, the slide has been seted up to the inner wall of slide, and the inner diapire sliding connection of slide has slider 706, the back of slider 706 and the front fixed connection of slide 701, the front fixedly connected with mounting panel 707 of slider 706, the front fixedly connected with second motor 12 of mounting panel 707, the output of second motor 12 runs through mounting panel 707, the back of slider 706 and slide 701 and with the front fixed connection of second preforming roller 3.

An infrared distance meter 708 is fixedly connected to the front surface of the main body case 1, and the infrared distance meter 708 is opposite to the mounting plate 707.

Specifically, the rotary table 703 is rotated to drive the screw rod 702 to rotate, so that the screw rod 702 generates displacement relative to the main body box 1, and further the sliding seat 701 is driven to move, so that the second sheeting roller 3 is driven to move, the distance between the second sheeting roller 3 and the first sheeting roller 2 is adjusted, through the matching of the two adjusting belt wheels 704 and the synchronous belt 705, the other screw rod 702 is synchronously rotated, so that the deviation generated when the second sheeting roller 3 moves is avoided, through the matching of the infrared distance meter 708 and the mounting plate 707, the precision of distance adjustment is improved, so that the quality of a pole piece is improved, the model of the infrared distance meter 708 is preferably UT171A, the models of the first motor 11 and the second motor 12 are preferably Y80M1-2, and the rotation directions of the first motor 11 and the second motor 12 are opposite.

In this embodiment, as shown in fig. 6-9, the reversing assembly 8 includes a water storage tank 801 connected to the upper surface of the top cover 6, a cover plate 802 is fixedly connected to the inner wall of the water storage tank 801, a mounting hole is formed in the upper surface of the cover plate 802, a water suction cylinder 803 is fixedly connected to the inner wall of the mounting hole, a rotating shaft 804 is rotatably connected to the upper surface of the water suction cylinder 803, a fixing plate 805 is fixedly connected to one side of the main body box 1, a rotating hole is formed in the upper surface of the fixing plate 805, a support rod 806 is rotatably connected to the inner wall of the rotating hole, a reversing pulley 807 is fixedly connected to the top ends of the rotating shaft 804 and the support rod 806, the same transmission belt 808 is disposed on the surface of the two reversing pulleys 807, the two reversing pulleys 807 are in transmission connection with the transmission belt 808, a driven bevel gear 809 is fixedly connected to the bottom end of the support rod 806, a connecting shaft is fixedly connected to the back of the first sheeting roller 2, and one end of the connecting shaft penetrates through the back of the main body box 1 and is fixedly connected to the driving bevel gear 810, the driving bevel gear 810 is engaged with the driven bevel gear 809, the bottom end of the rotating shaft 804 penetrates through the inner top wall of the water suction cylinder 803, and the surface of the rotating shaft 804 is fixedly connected with the spiral conveying plate 811.

The inner wall of the right side of the main body box 1 is provided with a track groove, the inner wall of the track groove is connected with a transverse plate 812 in a sliding way, the left side of the transverse plate 812 is provided with a connecting groove, and the inner wall of the connecting groove is rotatably connected with a pushing rod 813, one end of the pushing rod 813 far away from the transverse plate 812 is rotatably connected with the upper surface of the sliding seat 701, the upper surface of the main body box 1 is provided with a resistance groove, and the inner wall of the resistance groove is connected with a sliding plate 814 in a sliding way, the lower surface of the sliding plate 814 is fixedly connected with a connecting rod 815, the inner bottom wall of the resistance groove is provided with a through hole, the inner wall of the through hole is connected with the surface of the connecting rod 815 in a sliding way, the bottom end of the connecting rod 815 penetrates through the through hole and is fixedly connected with the upper surface of the transverse plate 812, the inner wall of the resistance groove is fixedly connected with a sealing cover 816, the surface of the water suction cylinder 803 is fixedly connected with a communicating pipe 817, and one end of the communicating pipe 817 far away from the water suction cylinder 803 is fixedly connected with the upper surface of the sealing cover 816 and penetrates through the lower surface of the sealing cover 816.

Specifically, clear water is stored in the water storage tank 801, the sliding seat 701 moves towards the first sheeting roller 2 to drive the pushing rod 813 to move, and further drive the transverse plate 812 to move downwards, and further drive the connecting rod 815 to move, and further drive the sliding plate 814 to move downwards, so that the pressure above the sliding plate 814 in the resistance groove is reduced, and further water in the water storage tank 801 enters the resistance groove along the water suction cylinder 803 and the communicating pipe 817 to be replenished, so that the resistance groove is filled with water, the first sheeting roller 2 operates to drive the connecting shaft, and further drive the driving bevel gear 810 to rotate, the driving bevel gear 810 is engaged with the driven bevel gear 809, so that the driving bevel gear 810 drives the driven bevel gear 809 to rotate, and further drive the supporting rod 806 to rotate, and further drive the reverse belt wheel 807 fixed with the supporting rod 806 to rotate, and through the matching of the two reverse belt wheels 807 and the driving rotating shaft 804 to rotate, and further drive the spiral conveying plate 811 to rotate, the water in the water storage tank 801 is conveyed upwards and is injected into the resistance tank through the communicating pipe 817, so that the pressure above the sliding plate 814 in the damping tank is increased, the pressure of the water on the sliding plate 814 is increased, the reaction of the positive and negative electrode materials on the second sheeting roller 3 is reduced, and the deviation is prevented.

In this embodiment, as shown in fig. 10 to 14, the powder removing assembly 9 includes two powder removing boxes 901, a first baffle 902 is fixedly connected to an inner bottom wall of the powder removing box 901, a second baffle 903 is fixedly connected to an inner top wall of the powder removing box 901, end surfaces of the powder removing boxes 901 are respectively provided with a powder scraping surface 904 and an avoiding surface 905, the two powder scraping surfaces 904 are respectively attached to surfaces of a first pressing roller 2 and a second pressing roller 3, a front surface and a back surface of one of the powder removing boxes 901 are respectively fixedly connected to front and back inner walls of the main box 1, a front surface and a back surface of the other powder removing box 901 are respectively slidably connected to front and back inner walls of the main box 1, a spring seat 923 is fixedly connected to a lower surface of the other powder removing box 901, a powder removing spring 906 is fixedly connected to a right side of the spring seat 923, one end of the powder removing spring 906 far from the spring seat 923 is fixedly connected to a right inner wall of the main box 1, a first vent pipe 907 is fixedly connected to a left side of the powder removing box 901 close to the first pressing roller 2, the right side fixedly connected with flexible pipe 908 that removes powder box 901 that is close to second preforming roller 3, the surperficial sliding connection of flexible pipe 908 has second breather pipe 909, the top of first breather pipe 907 and second breather pipe 909 all runs through the upper surface of top cap 6 and fixedly connected with same vertical pipe 910, the bottom fixedly connected with jet-propelled pipe 911 of vertical pipe 910, the top fixedly connected with power section of thick bamboo 912 of vertical pipe 910, the inner wall fixedly connected with closure lid 922 of power section of thick bamboo 912, the power hole has been seted up to the inner bottom wall of power section of thick bamboo 912, and the inner wall in power hole rotates and is connected with rotation axis 913, the fixed surface connection and the rotor blade 914 of rotation axis 913, the bottom of rotation axis 913 runs through the power hole and the inner roof of vertical pipe 910 and fixedly connected with flabellum 915.

An outer cylinder 916 is fixedly connected to the surface of the communicating pipe 817, an opening and closing spring 917 is fixedly connected to the inner wall of the outer cylinder 916, a piston 918 is fixedly connected to one end of the opening and closing spring 917, the surface of the piston 918 is slidably connected to the inner wall of the outer cylinder 916, and a communicating hole 919 is formed in the surface of the outer cylinder 916.

The surface of the outer cylinder 916 is fixedly connected with a water inlet pipe 920, the communication hole 919 is located in an inner cavity of the water inlet pipe 920, one end, far away from the outer cylinder 916, of the water inlet pipe 920 is fixedly connected with the surface of the power cylinder 912 and penetrates through the inner wall of the power cylinder 912, the surface of the power cylinder 912 is fixedly connected with a water outlet pipe 921, and one end, far away from the power cylinder 912, of the water outlet pipe 921 is fixedly connected with the surface of the water storage tank 801 and penetrates through the inner wall of the water storage tank 801.

Specifically, by attaching the powder scraping surface 904 to the surfaces of the first sheeting roller 2 and the second sheeting roller 3, when the first sheeting roller 2 and the second sheeting roller 3 rotate, the powder of the positive and negative electrode materials attached to the surfaces of the first sheeting roller 2 and the second sheeting roller 3 are scraped, the water in the water storage tank 801 is continuously conveyed by the spiral conveying plate 811, so that the pressure in the resistance tank is continuously increased until the piston 918 is subjected to the pressure of the water and moves along the inner wall of the outer cylinder 917 against the elastic force of the opening and closing spring 917 to open the communication hole 919, so that part of the water enters the water inlet pipe 920 through the communication hole 919, flows into the power cylinder 912 through the water inlet pipe 920 and flows back into the water storage tank 801 through the water outlet pipe 921, the water flows in the power cylinder 912 to drive the rotating blade 914 to rotate, further drive the rotating shaft 913 to rotate, further drive the blade 915 to rotate, so as to generate wind from top to bottom through the rotation of the blade, and further cause the first vent pipe 907 and the second vent pipe 909 to generate suction at the end connected with the powder removing box 901, the scraped powder is sucked to the powder removing box 901, the powder sucked in the air is blocked by the first baffle 902 and the second baffle 903 through the matching of the first baffle 902 and the second baffle 903, the powder falls in the powder removing box 901 and is convenient to collect, the air dedusted by the first baffle 902 and the second baffle 903 is guided into the air injection pipe 911 through the first air pipe 907, the second air pipe 909 and the vertical pipe 910 and is injected to the surfaces of the first motor 11 and the second motor 12 through the air injection pipe 911 to increase the air circulation nearby the air to dissipate heat, the powder removing spring 906 is matched with the spring seat 923 to enable the powder scraping surface 904 of the powder removing box 901 to be tightly attached to the second tabletting roller 3, and the telescopic pipe 908 is used for sliding along the inner wall of the second air pipe 909 to adapt to the movement of the second tabletting roller 3.

The working principle is as follows: when the pole piece tabletting device for lithium battery production is used, a user firstly opens the opening and closing door, one end of a pole piece coil on the uncoiler 4 is pulled downwards and penetrates through a space between the first tabletting roller 2 and the second tabletting roller 3, then the end is wound on a winding shaft of the winder 5 (the uncoiler and the winder are the prior art, and details are not described here), then the turntable 703 is rotated, the turntable 703 drives the screw rod 702 to rotate, so that the screw rod 702 generates displacement relative to the main box 1, the screw rod 702 drives the sliding seat 701 to move towards the direction close to the first tabletting roller 2, the sliding seat 701 drives the second tabletting roller 3 to move, the distance between the second tabletting roller 3 and the first tabletting roller 2 is adjusted, when the turntable 703 is rotated, the two adjusting belt wheels 704 are matched with the synchronous belt, the other screw rod 702 rotates synchronously, the second tabletting roller 3 is prevented from shifting 705, and the infrared distance meter 708 is observed during adjustment, the precision of distance adjustment is improved, in the process that the sliding seat 701 moves towards the first tabletting rollers 2, the sliding seat 701 drives the pushing rod 813 to move, the pushing rod 813 drives the transverse plate 812 to move downwards, the transverse plate 812 drives the connecting rod 815 to move, the connecting rod 815 drives the sliding plate 814 to move downwards, so that the pressure above the sliding plate 814 in the resistance groove is reduced, water in the water storage tank 801 enters the resistance groove along the water suction cylinder 803 and the communicating pipe 817 to be replenished, the resistance groove is filled with water, then the opening and closing door is closed, the first motor 11 and the second motor 12 are started, the first motor 11 and the second motor 12 respectively drive the first tabletting rollers 2 and the second tabletting rollers 3 to rotate in opposite directions, the pole pieces are pressed, the first tabletting rollers 2 drive the connecting shaft to rotate when in operation, the connecting shaft drives the driving bevel gear 810 to rotate, and the driving bevel gear 810 is meshed with the driven bevel gear 809, the driving bevel gear 810 drives the driven bevel gear 809 to rotate, the driven bevel gear 809 drives the support rod 806 to rotate, the support rod 806 drives the reverse belt wheel 807 fixed with the support rod 806 to rotate, the reverse belt wheel 807 fixed with the rotating shaft 804 drives the rotating shaft 804 to rotate under the matching of the two reverse belt wheels 807 and the transmission belt 808, the rotating shaft 804 drives the spiral conveying plate 811 to rotate, water in the water storage tank 801 is conveyed upwards and injected into the resistance tank through the communication pipe 817, the pressure above the sliding plate 814 in the damping tank is increased to increase the pressure of the water on the sliding plate 814, further, the reaction of the positive and negative electrode materials on the second sheeting roller 3 is reduced, the deviation is prevented, the pressure in the resistance tank is continuously increased along with the continuous conveying of the water in the water storage tank 801 by the spiral conveying plate 811 until the piston 918 is subjected to the pressure of the water and moves along the inner wall of the outer cylinder 916 by overcoming the elasticity of the opening and closing spring 917 to open the communication hole 919, so that part of the water enters the water inlet pipe 920 through the communication hole 919, then flows into the power cylinder 912 through the water inlet pipe 920 and flows back into the water storage tank 801 through the water outlet pipe 921, when water flows in the power cylinder 912, the water flow drives the rotating blade 914 to rotate, the rotating blade 914 drives the rotating shaft 913 to rotate, the rotating shaft 913 drives the fan blade 915 to rotate, so that the fan blade 915 rotates to generate wind from top to bottom, further, one end of the first vent pipe 907 and the second vent pipe 909, which is connected with the powder removing box 901, generates suction force, powder scraped in the rotating process of the first pressing roller 2 and the second pressing roller 3 is sucked to the powder removing box 901, when air containing powder passes through the first baffle plate 902 and the second baffle plate 903, the powder sucked in the air is blocked by the first baffle plate 902 and the second baffle plate 903, so that the powder falls into the powder removing box 901 to be collected, clean air is guided into the air injection pipe 911 through the first vent pipe 907, the second vent pipe 909 and the vertical pipe 910, and is sprayed to the surfaces of the first motor 11 and the second motor 12 through the air injection pipe 911, increase the air circulation nearby it, make its heat dissipation to this pole piece film clamp for lithium cell production has improved the quality of pole piece preforming.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.