CN212418200U

CN212418200U - Reducing mechanism for lithium cell negative electrode material

Info

Publication number: CN212418200U
Application number: CN202020816822.8U
Authority: CN
Inventors: 丁安莉; 丁波; 谭本海
Original assignee: Jianghua Yiyuan New Energy Technology Co ltd
Current assignee: Jianghua Yiyuan New Energy Technology Co ltd
Priority date: 2020-05-17
Filing date: 2020-05-17
Publication date: 2021-01-29
Anticipated expiration: 2030-05-17

Abstract

The utility model discloses a reducing mechanism for lithium cell negative electrode material, which comprises a housin, a side surface of casing is provided with the clearance and derives the subassembly, the top integrated into one piece of casing is provided with the guide cover, the inboard of guide cover is rotated through the bearing and is installed crushing roller, crushing roller's outside fixed mounting has crushing blade. This a reducing mechanism for lithium cell negative electrode material, carrying out the kibbling in-process of negative electrode material, can be according to actual need's the different needs of the kind and the specification of negative electrode material, take off the connecting rod from the screw hole inboard through artifical screw thread wrench movement, and screw thread wrench movement is fixed to be pegged graft to other different screw hole inboards, thereby adjust in real time the position of driven voller, the realization is adjusted in real time the distance between drive roll and the driven voller, grind the broken raw materials for different thicknesses of lithium cell negative electrode material, application scope is more extensive the limitation littleer.

Description

Reducing mechanism for lithium cell negative electrode material

Technical Field

The utility model relates to a battery processing technology field specifically is a reducing mechanism for lithium cell negative electrode material.

Background

The negative electrode of the lithium ion battery is formed by uniformly coating a paste adhesive prepared by mixing a negative electrode active material carbon material or non-carbon material, a binder and an additive on two sides of a copper foil, drying and rolling. The key to successful production of lithium ion batteries is the ability to produce negative electrode materials that reversibly deintercalate/intercalate lithium ions. In general, the selection of a good anode material should follow the following principle: the specific energy is high; the electrode potential relative to the lithium electrode is low; the reversibility of charge-discharge reaction is good; the compatibility with electrolyte and binder is good; small specific surface area (<10m2/g), high true density (>2.0g/cm 3); the size and the mechanical stability are good in the lithium embedding process; the resources are rich and the price is low; stable in air and has no toxic side effect. At present, the negative electrode material that has been practically used in lithium ion batteries is generally a carbon material such as graphite, soft carbon (e.g., coke, etc.), hard carbon, and the like. The negative electrode materials being searched for include nitrides, PAS, tin-based oxides, tin alloys, nano-negative electrode materials, and other intermetallic compounds.

The messenger that carries out processing to lithium battery negative pole material needs to be broken, because lithium battery negative pole material's kind and specification are inconsistent, traditional breaker structure generally all is fixed, can't adjust in real time according to actual need, and the great application scope of restriction of use is less, and current reducing mechanism crushing effect is relatively poor simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reducing mechanism for lithium cell negative electrode material to the messenger that proposes in solving above-mentioned background art and carrying out processing to lithium cell negative electrode material needs to carry out the breakage, because lithium cell negative electrode material's kind and specification are inconsistent, traditional reducing mechanism structure generally all is fixed, can't adjust in real time according to actual need, and the great application scope of restriction of use is less, current reducing mechanism smashes the relatively poor problem of effect simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reducing mechanism for lithium cell negative electrode material, includes the casing, a side surface of casing is provided with the clearance and derives the subassembly, the top integrated into one piece of casing is provided with the guide cover, the inboard of guide cover is rotated through the bearing and is installed crushing roller, crushing roller's outside fixed mounting has crushing blade, a side surface transverse arrangement of casing is provided with the screw hole, the inboard screw thread movable mounting of screw hole has the connecting rod, the connecting rod extends to the inside one end of casing and rotates through the bearing and install the driven voller, a side shell inner wall of driven voller rotates through the connecting rod and installs the drive roll, the below of drive roll sets up screening ejection of compact subassembly, the equal fixed mounting of connecting rod outer end on crushing roller and the drive roll has the motor, the bottom of casing sets up buffer gear.

Preferably, buffer gear is including fixing the buffering post in four edges of casing bottom, the reference column has been cup jointed in the outside activity of buffering post, the bottom of buffering post all has the buffering torsional spring through connecting block fixed mounting, the bottom of buffering torsional spring is connected with the inside bottom of reference column, and the bottom of reference column all fixed mounting have the supporting seat.

Preferably, the screening and discharging assembly comprises inserting seats fixedly mounted on the inner walls of the two sides of the shell, the inner sides of the inserting seats are movably inserted with a screen, the bottom of the shell is provided with a discharging port, and the bottom of the shell at the top of the discharging port is provided with an inclined landslide.

Preferably, the cleaning and leading-out assembly comprises a cleaning opening formed in the surface of the shell, a sealing door is movably mounted on the outer side of the cleaning opening through a hinge, and a handle is fixedly mounted on the surface of the sealing door through a bolt.

Preferably, a power box is fixedly mounted on the rear side surface of the shell, and the output end of the power box is electrically connected with the input end of the motor through a wire.

Preferably, the rear side surface of the housing is fixedly provided with a control button, and the output end of the control button is electrically connected with the input end of the motor through a wire.

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

this a reducing mechanism for lithium cell negative electrode material, carrying out the kibbling in-process of negative electrode material, can be according to actual need's the different needs of the kind and the specification of negative electrode material, take off the connecting rod from the screw hole inboard through artifical screw thread wrench movement, and screw thread wrench movement is fixed to be pegged graft to other different screw hole inboards, thereby adjust in real time the position of driven voller, the realization is adjusted in real time the distance between drive roll and the driven voller, grind the broken raw materials for different thicknesses of lithium cell negative electrode material, application scope is more extensive the limitation littleer.

This a reducing mechanism for lithium cell negative material, carrying out the kibbling in-process of negative material, drive crushing shaft and crushing blade through the motor and carry out preliminary smashing to bulky negative material, then through the connecting rod interconnect on transmission sprocket with the connecting rod on the drive roll and the driven voller, make drive roll and driven voller rotate in step and roll negative material and smash once more, filter through the screen cloth at last and hold back the recovery with unqualified material, make the better quality of kibbling effect higher.

Drawings

Fig. 1 is a rear view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is a schematic view of a part of the structure of the buffer mechanism of the present invention.

In the figure: 1. a motor; 2. a material guiding cover; 3. a housing; 4. a connecting rod; 5. a threaded hole; 6. a buffer torsion spring; 7. a power box; 8. a control button; 9. a discharge port; 10. a buffer column; 11. a positioning column; 12. a buffer mechanism; 13. a supporting seat; 14. landslide; 15. a socket; 16. screening a screen; 17. screening the discharge assembly; 18. a drive roll; 19. a connecting rod; 20. a driven roller; 21. a crushing shaft; 22. a crushing blade; 23. cleaning the opening; 24. cleaning the export component; 25. a handle; 26. and (4) sealing the door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, the present invention provides a technical solution: a crushing device for lithium battery negative electrode materials comprises a shell 3, a cleaning and guiding assembly 24 is arranged on one side surface of the shell 3, a material guide cover 2 is integrally formed on the top of the shell 3, a crushing shaft 21 is rotatably installed on the inner side of the material guide cover 2 through a bearing, crushing blades 22 are fixedly installed on the outer side of the crushing shaft 21, threaded holes 5 are transversely arranged on one side surface of the shell 3, connecting rods 4 are movably installed on the inner side threads of the threaded holes 5, the connecting rods 4 can be taken down from the inner side of the threaded holes 5 through manual thread twisting according to the different requirements of the types and specifications of the negative electrode materials required actually, and are fixedly inserted into the inner sides of other different threaded holes 5 through thread twisting, so that the position of a driven roller 20 can be adjusted in real time, the real-time adjustment of the distance between a driving roller and the driven roller is realized, the lithium battery negative electrode, one end of the connecting rod 4 extending into the shell 3 is rotatably provided with a driven roller 20 through a bearing, the inner wall of the shell 3 at one side of the driven roller 20 is rotatably provided with a driving roller 18 through the connecting rod 4, a screening discharging component 17 is arranged below the driving roller 18, the outer ends of the connecting rod 4 on the crushing shaft 21 and the driving roller 18 are fixedly provided with a motor 1, the motor 1 is started through a control button 8 to drive the crushing shaft 21 and a crushing blade 22 to preliminarily crush large-volume cathode materials, the connecting rod 4 on the driving roller 18 is connected with the connecting rod 4 on the driven roller 20 through a transmission chain wheel, so that the driving roller 18 and the driven roller 20 can synchronously rotate to roll and crush the cathode materials again, the bottom of the shell 3 is provided with a buffer mechanism 12, the buffer mechanism 12 comprises buffer columns 10 fixed at four corners of the bottom of the shell 3, and positioning columns 11, the bottom of buffering post 10 all has buffering torsional spring 6 through connecting block fixed mounting, and the bottom of buffering torsional spring 6 is connected with the inside bottom of reference column 11, and the equal fixed mounting in bottom of reference column 11 has supporting seat 13, can wholly play the cushioning effect to the device, avoids the device to smash rigid connection between the in-process part, because the vibration breaking take place damages.

The screening and discharging assembly 17 comprises inserting seats 15 fixedly arranged on the inner walls of two sides of the shell 3, a screen 16 is movably inserted into the inner side of each inserting seat 15, unqualified materials are intercepted and recovered by filtering through the screen 16, a discharging port 9 is arranged at the bottom of the shell 3, an inclined slide slope 14 is arranged at the bottom of the shell 3 at the top of the discharging port 9, a cleaning and guiding assembly 24 comprises a cleaning port 23 arranged on the surface of the shell 3, a sealing door 26 is movably arranged on the outer side of the cleaning port 23 through a hinge, a handle 25 is fixedly arranged on the surface of the sealing door 26 through a bolt, the sealing performance of the whole device can be improved, leakage in the crushing process is avoided, a power box 7 is fixedly arranged on the rear side surface of the shell 3, the output end of the power box 7 is electrically connected with the input end of the motor 1 through a wire, independent and sufficient power energy can be provided for the operation of devices, a, and the output end of the control button 8 is electrically connected with the input end of the motor 1 through a wire, so that coordinated operation can be conveniently performed through a manual control device, and the energy waste and the failure caused by long-time idle operation of the device are avoided.

The working principle is as follows: when the cathode material is needed to be crushed, firstly, according to the different requirements of the type and specification of the cathode material according to the actual requirements, the connecting rod 4 is taken down from the inner side of the threaded hole 5 by manual thread twisting, and the threaded twisting is fixedly inserted into the inner sides of other different threaded holes 5, so as to adjust the position of the driven roller 20 in real time, realize the real-time adjustment of the distance between the driving roller and the driven roller, crush and grind the cathode material of the lithium battery into raw materials with different thicknesses, then introduce the cathode material to be crushed into the material guide cover 2, start the motor 1 by the control button 8 to drive the crushing shaft 21 and the crushing blade 22 to primarily crush the cathode material with large volume, connect the connecting rod 4 on the driving roller 18 and the connecting rod 4 on the driven roller 20 with each other by the transmission chain wheel, so that the driving roller 18 and the driven roller 20 can synchronously rotate to crush the cathode material again, finally, filtering through a screen 16 to trap and recover the unqualified materials.

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 lithium cell negative electrode material, includes casing (3), its characterized in that: a cleaning and guiding assembly (24) is arranged on one side surface of the shell (3), a guide cover (2) is arranged on the top of the shell (3) in an integrated manner, a crushing shaft (21) is installed on the inner side of the guide cover (2) in a rotating manner through a bearing, a crushing blade (22) is fixedly installed on the outer side of the crushing shaft (21), threaded holes (5) are formed in the lateral arrangement of one side surface of the shell (3), a connecting rod (4) is movably installed on the inner side threads of the threaded holes (5), a driven roller (20) is installed on one end, extending to the inner part of the shell (3), of the connecting rod (4) in a rotating manner through a bearing, a driving roller (18) is installed on the inner wall of one side shell (3) of the driven roller (20) in a rotating manner through the connecting rod (4), a screening and discharging assembly (17) is arranged below the driving roller (18), and a motor (1) is fixedly installed on, and a buffer mechanism (12) is arranged at the bottom of the shell (3).

2. The crushing apparatus for a negative electrode material for a lithium battery according to claim 1, wherein: buffer gear (12) are including fixing buffering post (10) at four edges of casing (3) bottom, reference column (11) have been cup jointed in the outside activity of buffering post (10), the bottom of buffering post (10) all has buffering torsional spring (6) through connecting block fixed mounting, the bottom of buffering torsional spring (6) is connected with the inside bottom of reference column (11), and the bottom of reference column (11) all fixed mounting have supporting seat (13).

3. The crushing apparatus for a negative electrode material for a lithium battery according to claim 1, wherein: screening ejection of compact subassembly (17) are including plug socket (15) of fixed mounting in casing (3) both sides inner wall, the inboard activity of plug socket (15) is pegged graft and is had screen cloth (16), the bottom of casing (3) is provided with discharge gate (9), and casing (3) bottom at discharge gate (9) top is provided with slope landslide (14).

4. The crushing apparatus for a negative electrode material for a lithium battery according to claim 1, wherein: subassembly (24) are derived in clearance is including seting up in clearance mouth (23) on casing (3) surface, there is sealing door (26) outside through hinge movable mounting in clearance mouth (23), and the surface of sealing door (26) passes through bolt fixed mounting handle (25).

5. The crushing apparatus for a negative electrode material for a lithium battery according to claim 1, wherein: the rear side surface of the shell (3) is fixedly provided with a power box (7), and the output end of the power box (7) is electrically connected with the input end of the motor (1) through a wire.

6. The crushing apparatus for a negative electrode material for a lithium battery according to claim 1, wherein: the rear side surface of the shell (3) is fixedly provided with a control button (8), and the output end of the control button (8) is electrically connected with the input end of the motor (1) through a wire.