CN115302641A - Preparation method of high-capacity and high-stability lithium ion battery cathode material - Google Patents
Preparation method of high-capacity and high-stability lithium ion battery cathode material Download PDFInfo
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- CN115302641A CN115302641A CN202211009169.4A CN202211009169A CN115302641A CN 115302641 A CN115302641 A CN 115302641A CN 202211009169 A CN202211009169 A CN 202211009169A CN 115302641 A CN115302641 A CN 115302641A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 14
- 239000010406 cathode material Substances 0.000 title abstract description 8
- 229910021383 artificial graphite Inorganic materials 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000005520 cutting process Methods 0.000 claims abstract description 20
- 238000005498 polishing Methods 0.000 claims abstract description 10
- 239000007773 negative electrode material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
- B28D1/24—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising with cutting discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
- B24B7/17—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to the field of preparation of lithium ion battery cathode materials, in particular to a preparation method of a high-capacity and high-stability lithium ion battery cathode material. Can carry out the centre gripping to bigger-size column artificial graphite and make the column artificial graphite of centre gripping can rotate to help polishing the level and smooth to the both ends face of column artificial graphite. The purpose of the invention is realized by the following technical scheme: the method comprises the following steps: the method comprises the following steps: grabbing, clamping and fixing the columnar artificial graphite from two ends through a preparation device; step two: rotating the clamped columnar artificial graphite counterclockwise or clockwise by using a preparation device; step three: cutting the rotary columnar artificial graphite at fixed intervals from two ends by using a preparation device; step four: and (4) flatly polishing the rotary columnar artificial graphite from the cutting positions at two ends through a preparation device.
Description
Technical Field
The invention relates to the field of preparation of lithium ion battery cathode materials, in particular to a preparation method of a high-capacity and high-stability lithium ion battery cathode material.
Background
The lithium ion battery negative electrode material is prepared by preparing a pasty adhesive from an active substance, a binder and an additive, coating the pasty adhesive on two sides of a copper foil, drying and rolling, and has the functions of storing and releasing energy and mainly influencing indexes such as cycle performance of a lithium battery, for example, artificial graphite or natural graphite is the negative electrode material of the lithium ion battery, wherein in the production of the artificial graphite, in the prior art, for example, a preliminary mixing device for preparing the lithium ion battery negative electrode material with application number CN202122732407.1 can solve the technical problems of poor mixing effect and troublesome use, but is not suitable for clamping large-size columnar artificial graphite and enabling the clamped columnar artificial graphite to rotate, thereby being beneficial to polishing and flattening two end faces of the columnar artificial graphite.
Disclosure of Invention
The invention aims to provide a preparation method of a high-capacity and high-stability lithium ion battery cathode material, which can clamp large-size columnar artificial graphite and enable the clamped columnar artificial graphite to rotate, so that two end faces of the columnar artificial graphite can be polished smoothly.
The purpose of the invention is realized by the following technical scheme: a preparation method of a high-capacity and high-stability lithium ion battery negative electrode material comprises the following steps:
the method comprises the following steps: grabbing, clamping and fixing the columnar artificial graphite from two ends through a preparation device;
step two: rotating the clamped columnar artificial graphite counterclockwise or clockwise by using a preparation device;
step three: cutting the rotating columnar artificial graphite at fixed intervals from two ends by using a preparation device;
step four: and (4) flatly polishing the rotary columnar artificial graphite from the cutting positions at two ends through a preparation device.
The preparation device comprises a preparation frame and a central rod fixedly connected to the middle part of the preparation frame, wherein the front side and the rear side of the middle part of the central rod are respectively and rotatably connected with a main clamping plate, the front side and the rear side of the middle part of the central rod are respectively and rotatably connected with an auxiliary clamping plate, and the two main clamping plates and the two auxiliary clamping plates are respectively and correspondingly arranged;
the right side bottom of each auxiliary clamping plate is respectively and rotatably connected with a bottom rod, and the front end and the rear end of each bottom rod are respectively and fixedly connected with an accessory wheel.
The two main clamping plates and the two auxiliary clamping plates are arranged in a mirror image mode.
Each of the wheel and the wheel is made of rubber.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic flow chart of a method for preparing a high-capacity and high-stability lithium ion battery cathode material according to the present invention;
FIG. 2 is a schematic view of a manufacturing frame according to the present invention;
FIG. 3 is an enlarged view of a portion of the structure of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the construction of the auxiliary splint of the present invention;
FIG. 5 is a schematic view of the right angle seat of the present invention;
FIG. 6 is a schematic view of the power wheel configuration of the present invention;
FIG. 7 is a schematic view of the ladder frame structure of the present invention;
FIG. 8 is a schematic view of the structure of the pushing frame of the present invention;
FIG. 9 is a schematic view of a cutting board configuration of the present invention;
fig. 10 and 11 are schematic views of the overall structure of the present invention.
In the figure: preparing a frame 101; a limiting frame 102; a center rod 201; a main plate 202; a lifting plate 203; an auxiliary splint 204; a bottom bar 205; an attachment wheel 206; a short bar 301; a female frame 302; a right angle seat 303; a power wheel 304; a rotating rod 305; a motor I306; a belt 307; an electric push rod I308; an electric push rod II 401; a ladder frame 402; a long plate 403; a push frame 501; an electric push rod III 502; a stopper rod 503; a connecting rod 504; a cutting board 505; a motor II 506; a cutting knife 507; triangular bars 508.
Detailed Description
A preparation method of a high-capacity and high-stability lithium ion battery negative electrode material comprises the following steps:
the method comprises the following steps: grabbing, clamping and fixing the columnar artificial graphite from two ends through a preparation device;
step two: rotating the clamped columnar artificial graphite counterclockwise or clockwise by using a preparation device;
step three: cutting the rotary columnar artificial graphite at fixed intervals from two ends by using a preparation device;
step four: and (4) flatly polishing the rotary columnar artificial graphite from the cutting positions at two ends through a preparation device.
The part is according to the working process expressed in fig. 2-10: in order to facilitate clamping of larger columnar artificial graphite and rotation of the clamped columnar artificial graphite, polishing of two end faces of the columnar artificial graphite is facilitated, in use, the central rod 201 is located in the middle of the preparation frame 101 and fixedly connected through a bolt, rotation limiting is facilitated to be provided for two main clamping plates 202 and two auxiliary clamping plates 204 which are located on the front side and the rear side of the central rod 201 and correspond to each other, mutual opening and closing between the two main clamping plates 202 and the two auxiliary clamping plates 204 are used for clamping of the columnar artificial graphite, the matching wheel 206 which is made of rubber and located at the bottom of each auxiliary clamping plate 204 facilitates rotation of the clamped columnar artificial graphite to provide corresponding rotation conditions, further rotation of the clamped columnar artificial graphite which cannot be directly operated by large-scale workers is facilitated, polishing of two end faces of the columnar artificial graphite in follow-up rotation is facilitated, attractiveness of the whole columnar artificial graphite is improved, and both sides are prevented from being not polished during forming of the columnar artificial graphite so that corresponding processes are supplemented.
The right side of each main clamping plate 202 is fixedly connected with a lifting plate 203 provided with a long hole along the length direction, each lifting plate 203 is connected with a short rod 301 through the long hole in a sliding mode, the left end and the right end of each short rod 301 are fixedly connected with a concave frame 302 respectively, and each concave frame 302 located on the left side is connected with a power wheel 304 in a rotating mode.
The part is according to the working process expressed in fig. 2-10: when the two main clamping plates 202 and the two auxiliary clamping plates 204 clamp the columnar artificial graphite so as to rotate the columnar artificial graphite, firstly, a lifting plate 203 is fixedly connected to the upper end of each main clamping plate 202 through welding, a long hole is processed on the surface of the lifting plate through a punching drilling machine, a short rod 301 is connected to each long hole in a sliding mode, the left end and the right end of each short rod 301 are attached to and slide on the left side and the right side surfaces of each lifting plate 203 through a concave frame 302 fixedly connected through bolts, the two short rods 301 descend simultaneously, a power wheel 304 rotatably connected to the concave frame 302 at the left end of each short rod 301 rotates through rotating and utilizing a chamfer part in the circumferential direction on each power wheel 304 to rub the clamped columnar artificial graphite, the rotation speed is improved by means of a matching wheel 206 at the bottom during rotation, so that the two side end faces of the subsequently rotated artificial graphite are flattened, and the surface of the whole columnar artificial graphite is conveniently observed manually.
A plurality of chamfered portions are uniformly provided on each of the power wheels 304 in the circumferential direction.
Every concave frame 302 that is located the right side all rotates and is connected with a rotary rod 305, the equal fixedly connected with motor I306 in rear side of every rotary rod 305, two motors I306 respectively fixed connection be located two on the concave frame 302 on right side, two rotary rods 305 are connected through two belt 307 transmissions respectively with two power wheels 304.
The working process according to the representation in fig. 2-10 is: when every power wheel 304 rotates, through driving two motors I306 that utilize bolt fixed connection on two concave type framves 302 that are located the right side, make two rotary rods 305 that are located through shaft coupling fixed connection on the output shaft of every motor I306 rotatory, further make two rotary rods 305 and two corresponding power wheels 304 rotate in step under the transmission of two belts 307, be convenient for make two power wheels 304 can utilize chamfer portion to drive the column artificial graphite who contacts with it and rotate, be convenient for follow-up both ends face to this column artificial graphite polishes.
Every is located all fixedly connected with a right angle seat 303 on the concave frame 302 on right side, on every right angle seat 303 respectively fixedly connected with an electric putter I308's expansion end, two electric putter I308's stiff end respectively fixed connection is on the top of two lifter plates 203.
The part is according to the working process expressed in fig. 2-10: when two power wheels 304 are close to the cylindrical artificial graphite of centre gripping, drive two electric putter I308 through flange fixed connection at two lifter plate 203 tops, make it descend to be located two I308 activity of electric putter and serve and drive two concave type frame 302 that are located the right side rather than the welded through flange fixed connection's right angle seat 303, rely on the lift of two quarter butt 301 on two lifter plates 203 this moment, make it descends to be located two quarter butt 301 on it to drive two rotatory power wheels 304, be convenient for the manual work and control the lift of power wheel 304 at any time, control the rotation of cylindrical artificial graphite at any time.
The middle part of the center rod 201 is fixedly connected with the fixed end of an electric push rod II 401, the movable end of the electric push rod II 401 is fixedly connected with the middle part of a trapezoidal frame 402, four corners of the trapezoidal frame 402 are respectively and rotatably connected with a long plate 403, the two long plates 403 positioned on the upper side are respectively and rotatably connected to the two main clamping plates 202, and the two long plates 403 positioned on the lower side are respectively and rotatably connected to the two upper auxiliary clamping plates 204.
Each of the long plates 403 is made of stainless steel.
The part is according to the working process expressed in fig. 2-10: when carrying out the centre gripping to columnar artificial graphite, the drive passes through II 401 of flange fixed connection at the electric putter at well core rod 201 middle part, make and be located II 401 movable ends of electric putter and move to the right side through flange fixed connection's trapezoidal frame 402, long slab 403 through being located trapezoidal frame 402 four corners department rotation connection promotes corresponding main splint 202 and the vice splint 204 of rotating the connection respectively to carry out the centre gripping to columnar artificial graphite this moment, and then be convenient for stabilize the centre gripping to some large-scale columnar artificial graphite, alleviate the manual work and carry out the work degree of difficulty of centre gripping to this large-scale columnar artificial graphite.
The part is according to the working process expressed in fig. 2-11: the front side and the rear side of the middle part of the preparation frame 101 are respectively and fixedly connected with a limiting frame 102, the middle part of the upper end of the preparation frame 101 is fixedly connected with a fixed end of an electric push rod III 502 through a flange, a movable end of the electric push rod III 502 is fixedly connected with the middle part of the upper end of a pushing frame 501 through a flange, the front side and the rear side of the bottom of the pushing frame 501 are respectively and fixedly connected with a limiting rod 503 through bolts, and the two limiting rods 503 are respectively and slidably connected to the two limiting frames 102;
both sides rotate respectively around propelling movement frame 501 bottom right side and are connected with a connecting rod 504, the inboard of two connecting rods 504 all is through cutting board 505 of bolt fixedly connected with, evenly be connected with a plurality of triangle strips 508 through welded fastening along the circumferencial direction on two cutting board 505's the adjacent surface, every triangle strip 508 is the right angled triangle of right angle end outside, every cutting board 505's the outside all is through a cutting knife 507 of welded fastening connection, the outside of every connecting rod 504 is through the output shaft of two motors II 506 of shaft coupling difference fixedly connected with.
Further, when two end faces of the clamped columnar artificial graphite are polished to be flat, the electric push rod III 502 is driven to enable the push frame 501 located at the movable end to move on the two limiting frames 102 by means of the two limiting rods 503, and then if the columnar artificial graphite needs to be cut at equal intervals at the moment, the two motors II 506 can be driven to enable the two connecting rods 504 to rotate, so that the cutting plates 505 on the two connecting rods 504 drive the peripheral cutting knives 507 to rotate, the cutting knives 507 rotating at two sides are enabled to be close to the columnar artificial graphite clamped by the two main clamping plates 202 and the two auxiliary clamping plates 204 to cut at equal intervals under the driving and feeding of the push frame 501, and batch work can be carried out, so that the lengths of the plurality of columnar artificial graphite are equal;
and when polishing and leveling the two end faces of the formed columnar artificial graphite, the same two motors II 506 are driven to rotate the cutting plates 505 on the two connecting rods 504, so that the triangular bars 508 positioned on the adjacent faces of the two cutting plates 505 polish and level the two end faces of the columnar artificial graphite through rotation, the integral flatness is convenient to improve, and the two sides of the columnar artificial graphite are prevented from not polishing to provide corresponding process supplement when the columnar artificial graphite is formed.
Claims (10)
1. A preparation method of a high-capacity and high-stability lithium ion battery negative electrode material is characterized by comprising the following steps:
the method comprises the following steps: grabbing, clamping and fixing the columnar artificial graphite from two ends through a preparation device;
step two: rotating the clamped columnar artificial graphite counterclockwise or clockwise by using a preparation device;
step three: cutting the rotary columnar artificial graphite at fixed intervals from two ends by using a preparation device;
step four: and (4) flatly polishing the rotary columnar artificial graphite from the cutting positions at two ends through a preparation device.
2. The method of claim 1, wherein: the manufacturing device comprises a manufacturing frame (101) and a central rod (201) fixedly connected to the middle of the manufacturing frame (101), wherein the front side and the rear side of the middle of the central rod (201) are respectively and rotatably connected with a main clamping plate (202), the front side and the rear side of the middle of the central rod (201) are respectively and rotatably connected with an auxiliary clamping plate (204), and the two main clamping plates (202) and the two auxiliary clamping plates (204) are respectively and correspondingly arranged;
the right bottom of each auxiliary clamping plate (204) is respectively and rotatably connected with a bottom rod (205), and the front end and the rear end of each bottom rod (205) are respectively and fixedly connected with an accessory wheel (206).
3. The method of claim 1, wherein: the two main clamping plates (202) and the two auxiliary clamping plates (204) are arranged in a mirror image mode.
4. The method of claim 1, wherein: each of the attached wheels (206) is made of rubber.
5. The method of claim 4, wherein: every the equal fixedly connected with in right side of main board (202) is equipped with lifter plate (203) in rectangular hole along length direction, goes up on every lifter plate (203) through the equal sliding connection in rectangular hole has a quarter butt (301), and both ends are fixedly connected with concave type frame (302) respectively about every quarter butt (301), and every is located all to rotate on the concave type frame (302) of left and connects a power wheel (304).
6. The method of claim 5, wherein: a plurality of chamfered parts are uniformly arranged on each power wheel (304) along the circumferential direction.
7. The method of claim 6, wherein: every is located the right side all rotate on concave type frame (302) and be connected with a rotary rod (305), the equal fixedly connected with motor I (306) of rear side of every rotary rod (305), two motors I (306) respectively fixed connection be located two right sides on concave type frame (302), two rotary rods (305) are connected through two belts (307) transmission respectively with two power wheels (304).
8. The method of claim 7, wherein: every is located right side equal fixedly connected with right angle seat (303) on concave type frame (302), on every right angle seat (303) respectively fixedly connected with the expansion end of an electric putter I (308), the stiff end of two electric putter I (308) respectively fixed connection is on the top of two lifter plates (203).
9. The method of claim 8, wherein: the middle part fixedly connected with electric putter II (401) of well core rod (201) the stiff end, the middle part of the expansion end fixedly connected with trapezoidal frame (402) of electric putter II (401), the four corners department of trapezoidal frame (402) rotates respectively and is connected with a long slab (403), two long slabs (403) that are located the upside rotate respectively and connect on two main splint (202), two long slabs (403) that are located the downside rotate respectively and connect at two last auxiliary splint (204).
10. The method of claim 9, wherein: each long plate (403) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211009169.4A CN115302641B (en) | 2022-08-22 | 2022-08-22 | Preparation method of high-capacity and high-stability lithium ion battery anode material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211009169.4A CN115302641B (en) | 2022-08-22 | 2022-08-22 | Preparation method of high-capacity and high-stability lithium ion battery anode material |
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| CN115302641A true CN115302641A (en) | 2022-11-08 |
| CN115302641B CN115302641B (en) | 2024-08-23 |
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