CN212018063U

CN212018063U - Reducing mechanism for graphite lithium cell negative electrode material

Info

Publication number: CN212018063U
Application number: CN202020507981.XU
Authority: CN
Inventors: 朱华锋; 胡应有
Original assignee: Zigong Lorestar Technology Co ltd
Current assignee: Zigong Lorestar Technology Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-11-27
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses a graphite lithium cell is reducing mechanism for negative electrode material, including smashing box, primary crushing subassembly and rolling crushing subassembly, be equipped with the feed inlet on the crushing box roof, be equipped with the discharge gate on the crushing box diapire, primary crushing subassembly and rolling crushing subassembly all locate in the crushing box, primary crushing subassembly locates above rolling crushing subassembly; the grinding and crushing assembly comprises a grinding and crushing motor, a grinding roller driving shaft, a grinding gear, a grinding roller, a cleaning driving shaft, a cleaning gear, a cleaning roller, a supporting frame, a movable grinding plate and a grinding filter plate. The utility model relates to a reducing mechanism technical field specifically provides a smash effectually, has concurrently and smashes the roller and smashes and smash in an organic whole with rolling, and can realize that the large granule smashes many times and filter the screening in crushing in-process, reduces the reducing mechanism for graphite lithium cell negative electrode material of large granule material proportion.

Description

Reducing mechanism for graphite lithium cell negative electrode material

Technical Field

The utility model relates to a reducing mechanism technical field specifically indicates a graphite lithium cell is reducing mechanism for negative electrode material.

Background

The negative electrode of the graphite lithium battery is formed by uniformly coating a paste adhesive prepared by mixing a negative electrode active material carbon material or a non-carbon material, a binder and an additive on two sides of a copper foil, drying and rolling. The graphite powder has high electrical conductivity and thermal conductivity, extremely high melting point, good lubricity, plasticity and chemical stability, and is widely applied in industry, and further the demand on the graphite powder is more and more. The crushing device is required to crush the negative electrode material of the graphite lithium battery, but most of the crushing devices for the negative electrode material of the graphite lithium battery use a roller and a crushing blade to perform crushing in a single operation, the crushing blade rotates at a high speed to have a limited cutting and crushing effect on the negative electrode material, and meanwhile, the crushed particles are large due to a single-layer crushing mode, are directly discharged and mixed with other fine particles, and need to be screened in one step, so that the requirements of users on the crushing device for the negative electrode material of the graphite lithium battery are difficult to meet.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a smash effectually, have concurrently and smash the roller and smash and roll crushing in an organic whole, and can realize that the large granule is smashed many times in crushing process and filter the screening, reduce the reducing mechanism for graphite lithium cell negative electrode material of large granule material proportion.

The utility model adopts the following technical scheme: the utility model relates to a graphite lithium cell is reducing mechanism for negative electrode material, including smashing box, primary crushing subassembly and rolling crushing subassembly, be equipped with the feed inlet on the crushing box roof, be equipped with the discharge gate on the crushing box diapire, primary crushing subassembly and rolling crushing subassembly all locate in the crushing box, primary crushing subassembly locates and rolls crushing subassembly top; the rolling and crushing assembly comprises a rolling and crushing motor, a rolling roller driving shaft, rolling gears, a rolling roller, a cleaning driving shaft, a cleaning gear, a cleaning roller, a support frame, a movable rolling plate and a rolling filter plate, the rolling and crushing motor is arranged on the outer side wall of the crushing box body, the rolling roller driving shaft is rotatably arranged on the two opposite side walls of the crushing box body and is connected with the output shaft of the rolling and crushing motor, the rolling gears are symmetrically arranged at the two ends of the rolling roller driving shaft, the rolling roller is arranged in the middle of the rolling roller driving shaft, the cleaning driving shaft is rotatably arranged on the two opposite side walls of the crushing box body, the cleaning gears are symmetrically arranged at the two ends of the cleaning roller driving shaft, the cleaning roller is arranged in the middle of the cleaning roller driving shaft, the cleaning gear is meshed with the rolling gear, the cleaning roller is arranged obliquely, the rolling device is characterized in that clamping plates are arranged on two sides of the movable rolling plate, clamping grooves are formed in the lower ends of the clamping plates, the clamping plates are arranged on the support frame in a sliding mode through the clamping grooves, movable racks are arranged on the clamping plates and are meshed with rolling gears, the movable rolling plate comprises a rolling crushing area and a material screening area, the rolling crushing area and the material screening area are arranged at intervals, the rolling crushing area is a solid plate, material filtering holes are formed in the material screening area, fine grinding rollers are arranged at the bottom of the movable rolling plate, two ends of the rolling filtering plate are respectively arranged on the support frame, the rolling filtering plate is arranged below the movable rolling plate, filtering screening holes are formed in the rolling filtering plate, the rolling gears rotate to drive the rolling rollers to rotate, meanwhile, the rolling gears rotate to drive the clamping plates to reciprocate along the support frame through the movable racks, and the clamping plates drive, remove the rolling board reciprocating motion in-process, the rolling roller with roll and smash the district cooperation, realize rolling of material and smash again, simultaneously, inertia cooperation rolling roller pivoted pushing action at the in-process that removes the rolling board removes, the granule is less than the material of material filtration pore and falls to rolling the filter from material screening district on, through reciprocating motion's thin grinding roller with roll the mating reaction of filter, realize the careful of material and smash.

Further, elementary crushing subassembly includes elementary crushing driving motor, elementary crushing drive shaft and elementary crushing roller, elementary crushing driving motor locates on smashing the box lateral wall, elementary crushing drive shaft rotates to be located on the relative both sides wall of crushing box and links to each other with elementary crushing driving motor output shaft, elementary crushing roller is located on the elementary crushing drive shaft, be equipped with crushing blade on the elementary crushing roller.

Further, the primary crushing roller is provided with two sets, and two sets of primary crushing rollers cooperate to realize the primary crushing of material, and when the movable rolling plate moves to one end of the supporting frame, the primary crushing roller is located above the movable rolling plate.

Further, the width of the support frame is equal to the width of the crushing box body, the width of the movable rolling plate is greater than 1/2 of the width of the support frame and smaller than the width of the support frame, and the movable rolling plate can completely receive materials crushed by the primary crushing roller when moving to any end of the support frame in a reciprocating mode.

Further, the filter sieve pore diameter is equal to the material filter pore diameter.

Further, the surface of the cleaning roller is provided with a cleaning brush.

Further, the grinding and crushing motor is a forward and reverse rotation motor.

Further, be equipped with microprocessor in the crushing box, the block board both ends are equipped with pressure sensor, microprocessor is connected with pressure sensor and rolls crushing motor electricity.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme is reducing mechanism for graphite lithium cell negative electrode material cooperatees through the primary crushing roller commonly used with rolling crushing unit, realize double crushing's technological effect, the crushing efficiency has been improved, simultaneously, it is equipped with to roll crushing district and material screening district to roll crushing unit in the adoption, and can reciprocating motion's removal rolls about the board both sides respectively in rolling the roller and rolling the filter cooperation, realized that the double filtration formula of material rolls, rolling kibbling while control the size degree of consistency of crushing granule.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front sectional view of a crushing device for a negative electrode material of a graphite lithium battery according to the present invention;

FIG. 2 is a side view of the crushing apparatus for a negative electrode material of a lithium graphite battery according to the present invention;

fig. 3 is a schematic structural view of a movable rolling plate of a crushing device for a negative electrode material of a graphite lithium battery of the present invention;

fig. 4 is a side view of the utility model discloses a reducing mechanism removes millboard for graphite lithium battery cathode material.

Wherein, 1, smash the box, 2, elementary crushing unit, 3, roll crushing unit, 4, the feed inlet, 5, the discharge gate, 6, roll crushing motor, 7, roll the roller drive shaft, 8, roll the gear, 9, roll the roller, 10, clean drive shaft, 11, clean gear, 12, clean roller, 13, the support frame, 14, remove and roll the board, 15, roll the filter, 16, the snap-on board, 17, the snap-on groove, 18, remove the rack, 19, roll crushing district, 20, the material sieve subregion, 21, the fine grinding roller, 22, elementary crushing driving motor, 23, elementary crushing drive shaft, 24, elementary crushing roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1-4, the utility model relates to a graphite lithium battery negative electrode material uses reducing mechanism, including reducing box 1, primary crushing unit 2 and rolling grinding unit 3, be equipped with feed inlet 4 on the reducing box 1 roof, be equipped with discharge gate 5 on the reducing box 1 diapire, primary crushing unit 2 and rolling grinding unit 3 are all located in reducing box 1, primary crushing unit 2 locates above rolling grinding unit 3; the rolling and crushing component 3 comprises a rolling and crushing motor 6, a rolling roller driving shaft 7, a rolling gear 8, a rolling roller 9, a cleaning driving shaft 10, a cleaning gear 11, a cleaning roller 12, a support frame 13, a movable rolling plate 14 and a rolling filter plate 15, the rolling and crushing motor 6 is arranged on the outer side wall of the crushing box body 1, the rolling roller driving shaft 7 is rotatably arranged on the two opposite side walls of the crushing box body 1 and is connected with the output shaft of the rolling and crushing motor 6, the rolling gears 8 are symmetrically arranged at the two ends of the rolling roller driving shaft 7, the rolling roller 9 is arranged in the middle of the rolling roller driving shaft 7, the cleaning driving shaft 10 is rotatably arranged on the two opposite side walls of the crushing box body 1, the cleaning gear 11 is symmetrically arranged at the two ends of the driving shaft of the cleaning roller 12, the cleaning roller 12 is arranged in the middle of the driving shaft of the cleaning roller 12, the support frame 13 is arranged on the bottom wall of the crushing box body 1, the two sides of the movable rolling plate 14 are provided with clamping plates 16, the lower end of each clamping plate 16 is provided with a clamping groove 17, each clamping plate 16 is arranged on the support frame 13 in a sliding mode through the clamping groove 17, the clamping plates 16 are provided with movable racks 18, the movable racks 18 are meshed with the rolling gears 8, the movable rolling plate 14 comprises a rolling crushing area 19 and a material screening area 20, the rolling crushing area 19 and the material screening area 20 are arranged at intervals, the rolling crushing area 19 is a solid plate, the material screening area 20 is provided with material filtering holes, the bottom of the movable rolling plate 14 is provided with a fine grinding roller 21, the two ends of the rolling filter plate 15 are respectively arranged on the support frame 13, the rolling filter plate 15 is arranged below the movable rolling plate 14, the rolling filter plate 15 is provided with filtering screening holes, the rolling gears 8 rotate to drive the rolling rollers 9 to rotate, meanwhile, the clamping plate 16 drives the movable rolling plate 14 to reciprocate, in the reciprocating process of the movable rolling plate 14, the rolling roller 9 is matched with the rolling and crushing area 19, the rolling and re-crushing of materials are realized, meanwhile, the inertia in the moving process of the rolling plate 14 is matched with the pushing action of the rolling roller 9 in rotation, the materials with particles smaller than the material filtering holes fall onto the rolling and filtering plate 15 from the material screening area 20, and the fine grinding roller 21 and the rolling and filtering plate 15 are matched to realize the fine crushing of the materials.

The primary crushing assembly 2 comprises a primary crushing driving motor 22, a primary crushing driving shaft 23 and primary crushing rollers 24, the primary crushing driving motor 22 is arranged on the outer side wall of the crushing box body 1, the primary crushing driving shaft 23 is rotatably arranged on two opposite side walls of the crushing box body 1 and is connected with an output shaft of the primary crushing driving motor 22, the primary crushing rollers 24 are arranged on the primary crushing driving shaft 23, and crushing blades are arranged on the primary crushing rollers 24. Two sets of primary crushing rollers 24 are arranged, the two sets of primary crushing rollers 24 are matched to realize primary crushing of materials, and when the movable rolling plate 14 moves to one end of the supporting frame 13, the primary crushing rollers 24 are positioned above the movable rolling plate 14. The width of the supporting frame 13 is equal to the width of the crushing box body 1, the width of the movable rolling plate 14 is greater than 1/2 of the width of the supporting frame 13 and smaller than the width of the supporting frame 13, and the movable rolling plate 14 moves to and fro to either end of the supporting frame 13 and can completely receive the materials crushed by the primary crushing roller 24. The diameter of the filtering and screening hole is equal to that of the material filtering hole. The surface of the cleaning roller 12 is provided with cleaning brushes. The grinding and crushing motor 6 is a positive and negative double-rotation motor. A microprocessor is arranged in the crushing box body 1, pressure sensors are arranged at two ends of the clamping plate 16, and the microprocessor is electrically connected with the pressure sensors and the grinding and crushing motor 6.

When the material crushing device is used specifically, a material is put into the crushing box body 1 from the feeding hole 4, the primary crushing driving motor 22 is started, the primary crushing driving shaft 23 is driven to rotate by the primary crushing driving shaft 23, the primary crushing roller 24 is driven to rotate by the primary crushing driving shaft 23, the primary crushing of the material is realized by the crushing blades on the two groups of primary crushing rollers 24, the primarily crushed material between the two groups of primary crushing rollers 24 falls onto the movable grinding plate 14, the rolling crushing motor 6 is started, the rolling crushing motor 6 rotates to drive the rolling roller driving shaft 7 to rotate, the rolling roller driving shaft 7 drives the rolling gear 8 to rotate, the rolling gear 8 drives the rolling roller 9 to rotate, meanwhile, when the rolling crushing motor 6 rotates forwards, the rolling gear 8 drives the clamping plate 16 to move forwards along the support frame 13 through sawtooth meshing with the movable rack 18, when the clamping plate 16 moves, the pressure sensor on the clamping plate 16 senses the pressure of the clamping plate 16 and the side wall of the crushing box body 1, the microprocessor controls the rolling crushing motor 6 to rotate reversely, when the rolling crushing motor 6 rotates reversely, the rolling gear 8 drives the clamping plate 16 to move along the support frame 13 in a reverse direction through sawtooth meshing with the moving rack 18, when the clamping plate 16 moves to the other end of the support frame 13, the pressure sensor on the clamping plate 16 senses the pressure of the clamping plate 16 and the side wall of the crushing box body 1, the microprocessor controls the rolling crushing motor 6 to rotate forwardly, so that the clamping plate 16 is driven to reciprocate along the support frame 13 through sawtooth meshing with the moving rack 18, the clamping plate 16 drives the moving rolling plate 14 to reciprocate, during the reciprocating movement of the moving rolling plate 14, the rolling roller 9 is matched with the rolling crushing area 19 to roll and re-crush the material, and during the reciprocating movement of the moving rolling plate 14, the pushing, the reground material is pushed to a material screening area 20, the material with the particles smaller than the material filtering holes falls onto a rolling filter plate 15 from the material screening area 20, the material with the particles larger than the material filtering holes is continuously crushed by matching of a rolling roller 9 and a rolling crushing area 19, meanwhile, along with the reciprocating movement of a moving rolling plate 14, a fine grinding roller 21 reciprocates relative to the rolling filter plate 15, the fine grinding roller 21 is matched with the rolling filter plate 15 in the reciprocating movement process, the material which falls onto the rolling filter plate 15 and is not discharged from the rolling filter holes is finely rolled and crushed, the finely crushed material passes through the filtering and screening holes and is discharged through a discharge port 5, in the rolling and crushing process, the rolling gear 8 drives a cleaning gear 11 to rotate, the cleaning gear 11 drives a cleaning roller 12 to rotate, a brush on the surface of the cleaning roller 12 cleans the surface of the rolling roller 9, and a large amount of material is prevented from being adhered to the, the rolling effect is affected.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reducing mechanism for graphite lithium cell negative electrode material which characterized in that: the crushing device comprises a crushing box body, a primary crushing assembly and a rolling crushing assembly, wherein a feed inlet is formed in the top wall of the crushing box body, a discharge outlet is formed in the bottom wall of the crushing box body, the primary crushing assembly and the rolling crushing assembly are both arranged in the crushing box body, and the primary crushing assembly is arranged above the rolling crushing assembly; the rolling and crushing assembly comprises a rolling and crushing motor, a rolling roller driving shaft, rolling gears, a rolling roller, a cleaning driving shaft, a cleaning gear, a cleaning roller, a support frame, a movable rolling plate and a rolling filter plate, the rolling and crushing motor is arranged on the outer side wall of the crushing box body, the rolling roller driving shaft is rotatably arranged on the two opposite side walls of the crushing box body and is connected with the output shaft of the rolling and crushing motor, the rolling gears are symmetrically arranged at the two ends of the rolling roller driving shaft, the rolling roller is arranged in the middle of the rolling roller driving shaft, the cleaning driving shaft is rotatably arranged on the two opposite side walls of the crushing box body, the cleaning gears are symmetrically arranged at the two ends of the cleaning roller driving shaft, the cleaning roller is arranged in the middle of the cleaning roller driving shaft, the clamp plate slides through the block groove and locates on the support frame, be equipped with on the clamp plate and remove the rack, remove the rack and roll the gear and mesh mutually, it includes rolls crushing district and material screening district to remove to roll the board, it separates the setting to roll crushing district and material screening district, it is solid board to roll crushing district, be equipped with the material filtration pore on the material screening district, it is equipped with the thin grinding roller to remove the board bottom of rolling, it locates on the support frame respectively to roll the filter both ends, it locates and removes board below to roll the filter, it is equipped with the filtration screening pore on the filter to roll.

2. The crushing apparatus for a negative electrode material of a graphite lithium battery according to claim 1, characterized in that: the primary crushing assembly comprises a primary crushing driving motor, a primary crushing driving shaft and a primary crushing roller, the primary crushing driving motor is arranged on the outer side wall of the crushing box body, the primary crushing driving shaft is rotatably arranged on the two opposite side walls of the crushing box body and is connected with an output shaft of the primary crushing driving motor, the primary crushing roller is arranged on the primary crushing driving shaft, and the primary crushing roller is provided with a crushing blade.

3. The crushing apparatus for a negative electrode material of a graphite lithium battery according to claim 2, characterized in that: the primary crushing rollers are provided with two groups.

4. The crushing apparatus for a negative electrode material of a graphite lithium battery according to claim 1, characterized in that: the support frame width equals smashes the box width, remove the 1/2 that the board width of rolling is greater than the support frame width and be less than the support frame width.

5. The crushing apparatus for a negative electrode material of a graphite lithium battery according to claim 1, characterized in that: the diameter of the filtering and screening hole is equal to that of the material filtering hole.

6. The crushing apparatus for a negative electrode material of a graphite lithium battery according to claim 1, characterized in that: and the surface of the cleaning roller is provided with a cleaning brush.

7. The crushing apparatus for a negative electrode material of a graphite lithium battery according to claim 1, characterized in that: the grinding and crushing motor is a forward and reverse rotation motor.

8. The crushing apparatus for a negative electrode material of a graphite lithium battery according to claim 1, characterized in that: the crushing box is internally provided with a microprocessor, two ends of the clamping plate are provided with pressure sensors, and the microprocessor is electrically connected with the pressure sensors and the grinding motor.