CN114522773A

CN114522773A - High life's nanometer raw materials grinder for lithium cell

Info

Publication number: CN114522773A
Application number: CN202210153938.1A
Authority: CN
Inventors: 谭志勇; 周玉强; 杨波; 刘勋
Original assignee: Guangdong Hongkai High Tech Co ltd
Current assignee: Guangdong Hongkai Intelligent Technology Co ltd
Priority date: 2022-02-20
Filing date: 2022-02-20
Publication date: 2022-05-24
Anticipated expiration: 2042-02-20
Also published as: CN114522773B

Abstract

The invention belongs to the relevant field of lithium batteries, and particularly relates to a nanoscale raw material grinding device for a lithium battery with long service life, which comprises a fixed seat, a barrel and a control ring, wherein the fixed seat is fixedly arranged on the barrel; the top of the fixed seat is rotatably connected with a cylinder; the surface of the fixed seat is fixedly connected with a supporting seat at the bottom of the cylinder body; the top of the supporting seat is provided with a control ring; the side surface of the control ring is provided with a guide groove; the surface of the cylinder body is connected with a sub-plate in a sliding manner; elastic pieces are fixedly connected between the branch plates and the inner part of the cylinder body; according to the invention, the raw materials at the bottom position of the cylinder body are effectively impacted, the high-efficiency grinding of the raw materials is promoted, the steel balls can fall at the designated position through the separation of the separating plates, the influence of the rotation speed of the cylinder body on the falling of the steel balls is reduced, the steel balls can fall at the designated height, the effective ball-milling effect is avoided because the rotation speed of the cylinder body must be accurately controlled, and the ball-milling efficiency for preparing the nano silicon powder is improved.

Description

High life's nanometer raw materials grinder for lithium cell

Technical Field

The invention belongs to the relevant field of lithium batteries, and particularly relates to a nanoscale raw material grinding device for a lithium battery, which has a long service life.

Background

The nano silicon powder has wide application, for example, the nano silicon powder is used for preparing a nano silicon wire and is used in a negative electrode material of a rechargeable lithium battery, or the surface of the nano silicon powder is coated with graphite and is used as the negative electrode material of the rechargeable lithium battery, so that the electric capacity and the charge-discharge cycle number of the lithium battery can be improved; the nano silicon powder is used in high temperature resistant coating and refractory material.

The patent publication No. CN111196899A relates to a nano-silicon oxide superfine grinding preparation process, in particular to a novel process for preparing nano-silicon oxide superfine powder by a multi-stage cascade grinding process. Firstly, carrying out wet ball milling on zirconium silicate-aluminum oxide grinding balls with the particle size of F3.5mm to grind the silicon micropowder until the particle size is less than 2 microns; then zirconium silicate-alumina grinding ball microbeads are adopted to carry out multistage sand grinding cascade superfine grinding in three stages until the grain diameter is less than 100 nanometers: finally, the nanometer-level silicon oxide superfine powder is obtained through spray drying.

Among the prior art, the ball-milling is as the grinding device who uses always in the nano-material preparation process, through rolling between the steel ball in the ball mill and constantly dropping of steel ball, carries out quick abundant grinding to the inside raw materials of barrel, needs the continuous highly falling from the assigned position of steel ball in the course of grinding, consequently needs the rotational speed of accurate control barrel, just can play high-efficient grinding effect problem.

Therefore, the invention provides the nanoscale raw material grinding device for the lithium battery, which has long service life.

Disclosure of Invention

To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a high-service-life nanoscale raw material grinding device for a lithium battery, which comprises a fixed seat, a cylinder and a control ring, wherein the fixed seat is fixedly arranged on the shell; the top of the fixed seat is rotatably connected with a cylinder; the surface of the fixed seat is fixedly connected with a supporting seat at the bottom of the cylinder; the top of the supporting seat is provided with a control ring; the side surface of the control ring is provided with a guide groove; the surface of the cylinder body is provided with evenly distributed sliding chutes; the inner parts of the sliding grooves are connected with the branch plates in a sliding manner; elastic pieces are fixedly connected between the branch plates and the interiors of the corresponding sliding grooves; when the ball mill works, the dividing plate is arranged in the barrel and can divide the inner side surface of the barrel, so that the steel balls and the raw materials are positioned between the two dividing plates, along with the rotation of the barrel, part of the raw materials and the steel balls move to the horizontal plane height position of the axis of the barrel, at the moment, because the guide groove is formed in the control ring, the dividing plate can move towards the direction away from the axis position of the barrel under the action of the pulling force of the elastic piece, the blocking effect of the dividing plate is weakened, the steel balls and part of the raw materials can directly fall off, the raw materials at the bottom position of the barrel can be impacted, the high-efficiency grinding of the raw materials is promoted, the steel balls can fall off at the designated position height through the blocking of the dividing plate, the influence of the rotating speed of the barrel on the falling of the steel balls is reduced, the steel balls can fall off at the designated height, and the problem that the rotating speed of the barrel can play an effective ball milling effect only through accurate control is avoided, the ball milling efficiency for preparing the nano silicon powder is improved.

Preferably, the surface of the control ring is provided with an annular groove; a toothed ring is fixedly connected inside the annular groove; a rotating groove is formed in the supporting seat; a gear is rotatably connected inside the rotating groove, the gear is meshed with the gear ring, and the gear is driven by a motor; during operation, through setting up gear and ring gear, rotate through control motor, the motor can drive gear revolve, and the gear can drive the ring gear and rotate, can drive the control ring through the ring gear and rotate for the inside guide slot of control ring removes the assigned position, and the inside of control minute board income spout in the assigned position realizes that the control steel ball drops at the assigned position, and then can adjust the steel ball point position that drops, realizes grinding the accurate striking of assigned position raw materials.

Preferably, the surface of the sub-plate is provided with a connecting groove; the inside of the connecting groove is fixedly connected with an elastic sheet; a pressure sensor is arranged inside the connecting groove; when the grinding device works, the elastic sheet and the pressure sensor are arranged, when the position of the falling point of the steel ball is seriously deviated, part of the steel ball directly impacts the elastic sheet to deform the elastic sheet, and then the elastic sheet extrudes the pressure sensor to output an impacting pressure signal to remind a maintainer to adjust a control ring of the grinding device,

preferably, the elastic part is designed into a telescopic bag-shaped structure; a first channel is formed in the branch plate, and the elastic piece and the connecting groove are communicated in a one-way mode through the first channel; a second channel is formed in the surface of the sub-plate and in the inner position of the elastic piece, and the elastic piece is communicated with the outside atmosphere through the second channel; a one-way valve is arranged in the second channel; a third channel is formed in the surface of the sub-plate and in the inner position of the elastic piece, and the elastic piece is communicated with the outside atmosphere through the third channel; a pressure valve is fixedly connected inside the third channel; during operation, through the bag shape structural design that stretches out and draws back with the elastic component, when the elastic component is flexible, inside that the inside gas can pass through the one-way leading-in elastic component of second passageway, and the inside gas of elastic component can pass through the one-way leading-in spread groove of first passageway for the inside atmospheric pressure increase of spread groove promotes to restore because of receiving the flexure strip that the steel ball striking produced the deformation, can derive unnecessary pressure gas one-way simultaneously through the third passageway, avoids appearing the excessive pressure problem.

Preferably, the surface of the elastic sheet is provided with small holes which are uniformly distributed; during operation, through seting up the aperture of evenly arranging on the surface at the flexure strip, accomplish to the leading-in gaseous back of inside of spread groove, partial gas can pass through the aperture blowout, promotes the raising of partial raw materials, and then the raw materials of being convenient for distribute between a plurality of minute boards.

Preferably, the surface of the sub-plate is provided with balls which are uniformly distributed, and the balls are all positioned close to the corresponding elastic sheet; the during operation, through setting up the ball, when the steel ball dropped, income motion in minute board this moment, the rotation that can promote the steel ball of the cooperation of minute board and the ball on its surface for rotary motion when the steel ball dropped, and then in the twinkling of an eye that the steel ball dropped, can play striking and rotate the effect of grinding, the improvement is to the treatment effect of raw materials.

Preferably, the side surface of one side of the sub-plate, which is close to the control ring, is rotatably connected with a turntable; the surface of the rotary table is fixedly connected with a first cam; the surface of the dividing plate is provided with a first moving groove; a first moving block is connected inside the first moving groove in a sliding manner; the bottom of the first moving groove is fixedly connected with a first air bag; the inner surface of the cylinder body is provided with uniformly distributed mounting grooves; the interior of each mounting groove is fixedly connected with a vibrating plate; the bottoms of the mounting grooves are provided with second moving grooves; the inner parts of the second moving grooves are connected with second moving blocks in a sliding mode; the bottoms of the second moving grooves are fixedly connected with second air bags, and the second air bags are communicated with the corresponding first air bags through pipelines; during operation, through setting up first gasbag and second gasbag, when the revolution motion is done in the inside of control ring to the minute board, the carousel on minute board surface rotates, the carousel can drive first cam and rotate, make the continuous first movable block of extrusion of first cam, first gasbag can be extruded to first movable block, and then make the inside of the leading-in second gasbag of gas of first gasbag inside, make the second gasbag expand repeatedly, the second movable block has been promoted and has been strikeed the vibrations board repeatedly, make the vibrations board vibrations, dropping of steel ball, the vibrations board vibrations that is located the bottom position simultaneously, can promote vibrations board top surface raw materials coarse grain and moving towards corresponding two minute board middle parts, and make the coarse grain raw materials remove the surface of raw materials, improve the striking grinding effect of steel ball.

Preferably, the axial line position of the cylinder body is fixedly connected with a core rod; the surface of the core bar is fixedly connected with a lantern ring; the lantern ring is designed by magnetic materials; during operation, through setting up the core bar, and the surface of core bar links firmly the lantern ring, through the magnetic material design of lantern ring, can adsorb the iron fillings in the raw materials of having raised, improves the purity of grinding back silicon, reduces inside iron fillings impurity.

Preferably, a cleaning block is slidably connected to the outer part of the lantern ring; the surface of the cleaning block is rotationally connected with a power disc, and the power disc is driven by a motor; a cleaning groove is formed in the surface of the cleaning block; the interior of the cleaning groove is fixedly connected with a magnetic block; the during operation, through setting up the clearance piece, rotate through the motor, the motor can drive the power dish and rotate, and the power dish can make the clearance piece remove on the surface of the lantern ring, realizes clearing up lantern ring surface adsorption's iron fillings impurity for iron fillings after the clearance are adsorbed by the magnetism piece, are convenient for to the collection of iron core.

Preferably, the surface of the power disc is fixedly connected with a second cam; a telescopic groove is formed in the cleaning block at the top of the second cam; the inside of the telescopic groove is connected with a telescopic block in a sliding way; an elastic sheet is fixedly connected between the telescopic block and the bottom of the telescopic groove; the inside of the cleaning groove is fixedly connected with a spray head, the spray head is communicated with the inside of the telescopic groove in a one-way mode, and the telescopic groove is communicated with the outside atmosphere in a one-way mode through a pipeline; the during operation, set up the second cam through the surface at the power dish, the power dish rotates and can drive the second cam and rotate, the flexible piece motion of second cam can be extrudeed repeatedly, make outside gas one-way leading-in flexible groove repeatedly, and make the gas of flexible inslot portion repeat one-way shower nozzle blowout that passes through, realize clearing up other impurity to the inside of clearance groove, because the inside raw materials of barrel is raised, the surface of the lantern ring can directly be fallen to partial raw materials, can lead out the clearance groove to the raw materials in collecting iron fillings through the shower nozzle.

The invention has the following beneficial effects:

1. according to the nanoscale raw material grinding device for the lithium battery with the long service life, disclosed by the invention, through the arrangement of the fixing seat, the barrel and the control ring, the raw material at the bottom position of the barrel is impacted, the efficient grinding of the raw material is promoted, the steel ball can fall at a specified position in height through the separation of the separating plates, the influence of the rotating speed of the barrel on the falling of the steel ball is reduced, the steel ball can fall at the specified height, the effective ball-milling effect can be achieved only by accurately controlling the rotating speed of the barrel, and the ball-milling efficiency for preparing the nano silicon powder is improved.

2. According to the nanoscale raw material grinding device for the lithium battery with the long service life, the core bar, the lantern ring and the cleaning block are arranged, iron filings in the lifted raw materials can be adsorbed through the design of the magnetic material of the lantern ring, the purity of ground silicon is improved, the internal iron filings impurities are reduced, meanwhile, the motor can drive the power disc to rotate through the rotation of the motor, the power disc can enable the cleaning block to move on the surface of the lantern ring, the iron filings impurities adsorbed on the surface of the lantern ring are cleaned, the cleaned iron filings are adsorbed by the magnetic block, and the collection of an iron core is facilitated.

Drawings

The invention will be further explained with reference to the drawings.

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is an enlarged view of a portion of FIG. 3 at C;

FIG. 6 is a schematic structural view of a core rod and cleaning block of the present invention;

in the figure: the device comprises a fixed seat 1, a cylinder 2, a control ring 3, a supporting seat 4, a sliding chute 5, a guide groove 6, a dividing plate 7, an elastic piece 8, a toothed ring 9, a gear 10, a connecting groove 11, an elastic piece 12, a pressure sensor 13, a first channel 14, a second channel 15, a third channel 16, a small hole 17, a ball 18, a rotary disc 19, a first cam 20, a first moving block 21, a first air bag 22, a vibration plate 23, a second moving block 24, a second air bag 25, a core bar 26, a sleeve ring 27, a cleaning block 28, a magnetic block 29, a power disc 30, a second cam 31, a telescopic block 32 and a spray head 33.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

As shown in fig. 1-3, a nanoscale raw material grinding apparatus for a lithium battery with a long service life according to an embodiment of the present invention includes a fixing base 1, a cylinder 2, and a control ring 3; the top of the fixed seat 1 is rotatably connected with a cylinder 2; the surface of the fixed seat 1 is fixedly connected with a supporting seat 4 at the bottom of the cylinder 2; the top of the supporting seat 4 is provided with a control ring 3; the side surface of the control ring 3 is provided with a guide groove 6; the surface of the cylinder body 2 is provided with sliding chutes 5 which are uniformly distributed; the inner parts of the sliding grooves 5 are all connected with branch plates 7 in a sliding manner; elastic pieces 8 are fixedly connected between the branch plates 7 and the insides of the corresponding sliding grooves 5; when the ball mill works, the dividing plate 7 is arranged in the barrel 2, the dividing plate 7 can divide the inner side surface of the barrel 2, so that the steel balls and the raw materials are positioned between the two dividing plates 7, along with the rotation of the barrel 2, part of the raw materials and the steel balls move to the horizontal plane height position of the axis of the barrel 2, at the moment, because the guide groove 6 is arranged in the control ring 3, the dividing plate 7 can move towards the direction far away from the axis position of the barrel 2 under the tensile force action of the elastic piece 8, the blocking action of the dividing plate 7 is weakened, the steel balls and part of the raw materials can directly fall off, and the raw materials at the bottom position of the barrel 2 are impacted, so that the high-efficiency grinding of the raw materials is promoted, through the blocking of the dividing plate 7, the steel balls can fall off at the designated position, the influence of the rotating speed of the barrel 2 on the falling of the steel balls is reduced, the steel balls can fall off at the designated height, and the problem that the rotating speed of the barrel 2 can play an effective ball milling effect only through accurate control is avoided, the ball milling efficiency for preparing the nano silicon powder is improved.

The surface of the control ring 3 is provided with an annular groove; a toothed ring 9 is fixedly connected inside the annular groove; a rotating groove is formed in the supporting seat 4; a gear 10 is rotatably connected inside the rotating groove, the gear 10 is meshed with the gear ring 9, and the gear 10 is driven by a motor; the during operation, through setting up gear 10 and ring gear 9, rotate through control motor, the motor can drive gear 10 and rotate, gear 10 can drive ring gear 9 and rotate, can drive control ring 3 through ring gear 9 and rotate, make the inside guide slot 6 of control ring 3 remove the assigned position, control divides board 7 to collect the inside of spout 5 in the assigned position, realize that the control steel ball drops at the assigned position, and then can adjust the steel ball point position that drops, the realization is ground the accurate striking of assigned position raw materials.

As shown in fig. 4, the surface of the sub-plate 7 is provided with a connecting groove 11; the inside of the connecting groove 11 is fixedly connected with an elastic sheet 12; a pressure sensor 13 is arranged inside the connecting groove 11; when the grinding device works, by arranging the elastic sheet 12 and the pressure sensor 13, when the position of the falling point of the steel ball is seriously deviated, part of the steel ball directly impacts the elastic sheet 12 to deform the elastic sheet 12, so that the elastic sheet 12 extrudes the pressure sensor 13 to output an impacting pressure signal to remind a maintainer to adjust the control ring 3 of the grinding device,

as shown in fig. 3 and 5, the elastic member 8 is designed in a bellows structure; a first channel 14 is formed inside the sub-plate 7, and the elastic element 8 and the connecting groove 11 are communicated in a one-way mode through the first channel 14; a second channel 15 is formed in the surface of the sub-plate 7 and in the inner position of the elastic part 8, and the elastic part 8 is communicated with the outside atmosphere through the second channel 15; a one-way valve is arranged in the second channel 15; a third channel 16 is formed in the surface of the sub-plate 7 and in the inner position of the elastic part 8, and the elastic part 8 is communicated with the outside atmosphere through the third channel 16; a pressure valve is fixedly connected inside the third channel 16; during operation, through carrying out flexible bag shape structural design with elastic component 8, when elastic component 8 is flexible, the inside of outside gas can be through the one-way leading-in elastic component 8 of second passageway 15, and the inside gas of elastic component 8 can be through the one-way leading-in spread groove 11 of first passageway 14 for the inside atmospheric pressure increase of spread groove 11 promotes because of receiving the elastic sheet 12 recovery that the steel ball striking produced the deformation, can derive unnecessary pressure gas one-way simultaneously through third passageway 16, avoid appearing the excessive pressure problem.

As shown in fig. 4, the surface of the elastic sheet 12 is provided with small holes 17 which are uniformly arranged; during operation, through seting up evenly arranged aperture 17 on the surface at flexure strip 12, accomplish to the leading-in gaseous back of inside of connecting groove 11, partial gas can promote the uplift of partial raw materials through aperture 17 blowout, and then the raw materials of being convenient for distribute between a plurality of minute plates 7.

The surface of the sub-plate 7 is provided with balls 18 which are uniformly arranged, and the balls 18 are all positioned at the position close to the corresponding elastic sheet 12; during operation, through setting up ball 18, when the steel ball dropped, income motion in minute board 7 this moment, the rotation that can promote the steel ball of the cooperation of minute board 7 and ball 18 on its surface for the rotary motion when the steel ball dropped, and then in the twinkling of an eye the steel ball dropped, can play striking and rotate the effect of grinding, the improvement is to the treatment effect of raw materials.

As shown in fig. 3 and 5, a side surface of the sub-plate 7 close to the control ring 3 is rotatably connected with a rotating disc 19; the surface of the rotating disc 19 is fixedly connected with a first cam 20; a first moving groove is formed in the surface of the dividing plate 7; a first moving block 21 is connected to the inside of the first moving groove in a sliding manner; the bottom of the first moving groove is fixedly connected with a first air bag 22; the inner surface of the cylinder body 2 is provided with uniformly distributed mounting grooves; the inside of each mounting groove is fixedly connected with a vibrating plate 23; the bottoms of the mounting grooves are provided with second moving grooves; the inner parts of the second moving grooves are connected with second moving blocks 24 in a sliding manner; the bottoms of the second moving grooves are fixedly connected with second air bags 25, and the second air bags 25 are communicated with the corresponding first air bags 22 through pipelines; during operation, through setting up first gasbag 22 and second gasbag 25, when minute plate 7 revolves in the inside of control ring 3, the carousel 19 on minute plate 7 surface rotates, carousel 19 can drive first cam 20 and rotate, make first cam 20 continuous extrusion first movable block 21, first movable block 21 can extrude first gasbag 22, and then make the inside gaseous inside second gasbag 25 of leading-in of first gasbag 22, make second gasbag 25 expand repeatedly, second movable block 24 has been promoted and has been strikeed the vibrations board 23 repeatedly, make vibrations board 23 vibrations, the dropping of steel ball, the vibrations board 23 that is located the bottom position simultaneously shakes, can promote the top surface raw materials coarse grain of vibrations board 23 to remove towards corresponding two minute plate 7 middles, and make the coarse grain raw materials remove the surface of raw materials, improve the striking grinding effect of steel ball.

As shown in fig. 2, a core bar 26 is fixedly connected to the axial position of the cylinder 2; the surface of the core bar 26 is fixedly connected with a lantern ring 27; the collar 27 is designed from a magnetic material; during operation, through setting up core bar 26, and the surface of core bar 26 has linked firmly lantern ring 27, through the magnetic material design of lantern ring 27, can adsorb the iron fillings in the lifting raw materials, improves the purity of grinding back silicon, reduces inside iron fillings impurity.

Example two

As shown in fig. 6, a first comparative example, in which another embodiment of the present invention is: a cleaning block 28 is slidably connected to the outside of the collar 27; the surface of the cleaning block 28 is rotatably connected with a power disc 30, and the power disc 30 is driven by a motor; the surface of the cleaning block 28 is provided with a cleaning groove; the interior of the cleaning groove is fixedly connected with a magnetic block 29; the during operation, through setting up clearance piece 28, rotate through the motor, the motor can drive power dish 30 and rotate, and power dish 30 can make clearance piece 28 remove on the surface of lantern ring 27, realizes clearing up 27 surface adsorption's of lantern ring iron fillings impurity for iron fillings after the clearance are adsorbed by magnetic block 29, are convenient for to the collection of iron core.

The surface of the power disc 30 is fixedly connected with a second cam 31; a telescopic groove is formed in the cleaning block 28 at the top of the second cam 31; a telescopic block 32 is connected inside the telescopic groove in a sliding manner; an elastic sheet is fixedly connected between the telescopic block 32 and the bottom of the telescopic groove; the inside of the cleaning groove is fixedly connected with a spray head 33, the spray head 33 is communicated with the inside of the telescopic groove in a one-way mode, and the telescopic groove is communicated with the outside atmosphere in a one-way mode through a pipeline; the during operation, set up second cam 31 through the surface at power disc 30, power disc 30 rotates and can drive second cam 31 and rotate, second cam 31 can extrude flexible piece 32 motion repeatedly, make outside gas one-way leading-in flexible groove repeatedly, and make the inside gas of flexible inslot repeat one-way shower nozzle 33 blowout, the realization is cleared up other impurity of clearance inslot portion, because the inside raw materials of barrel 2 is raised, partial raw materials can directly fall the surface of lantern ring 27, can derive the clearance groove to the raw materials in collecting iron fillings through shower nozzle 33.

When the ball mill works, the dividing plate 7 is arranged in the barrel 2, the dividing plate 7 can divide the inner side surface of the barrel 2, so that the steel balls and the raw materials are positioned between the two dividing plates 7, along with the rotation of the barrel 2, part of the raw materials and the steel balls move to the horizontal plane height position of the axis of the barrel 2, at the moment, because the guide groove 6 is arranged in the control ring 3, the dividing plate 7 can move towards the direction far away from the axis position of the barrel 2 under the tensile force action of the elastic piece 8, the blocking action of the dividing plate 7 is weakened, the steel balls and part of the raw materials can directly fall off, and the raw materials at the bottom position of the barrel 2 are impacted, so that the high-efficiency grinding of the raw materials is promoted, through the blocking of the dividing plate 7, the steel balls can fall off at the designated position, the influence of the rotating speed of the barrel 2 on the falling of the steel balls is reduced, the steel balls can fall off at the designated height, and the problem that the rotating speed of the barrel 2 can play an effective ball milling effect only through accurate control is avoided, the ball milling efficiency for preparing the nano silicon powder is improved; by arranging the gear 10 and the gear ring 9, the motor is controlled to rotate, the motor can drive the gear 10 to rotate, the gear 10 can drive the gear ring 9 to rotate, the control ring 3 can be driven to rotate through the gear ring 9, so that the guide groove 6 in the control ring 3 moves to a specified position, the sub-plate 7 is controlled to be retracted into the chute 5 in the specified position, the steel ball is controlled to fall off in the specified position, the falling point position of the steel ball can be adjusted, and the raw material at the specified position can be accurately impacted and ground; by arranging the elastic sheet 12 and the pressure sensor 13, when the position of the falling point of the steel ball is seriously deviated, part of the steel ball directly impacts the elastic sheet 12 to deform the elastic sheet 12, so that the elastic sheet 12 extrudes the pressure sensor 13 to output an impacting pressure signal to remind a maintainer of adjusting the control ring 3 of the grinding device; by designing the elastic part 8 into a flexible bag-shaped structure, when the elastic part 8 stretches, external air can be unidirectionally introduced into the elastic part 8 through the second channel 15, and the air in the elastic part 8 can be unidirectionally introduced into the connecting groove 11 through the first channel 14, so that the air pressure in the connecting groove 11 is increased, the elastic sheet 12 deformed due to the impact of a steel ball is promoted to restore, and meanwhile, redundant pressure air can be unidirectionally led out through the third channel 16, so that the problem of overpressure is avoided; through the small holes 17 uniformly arranged on the surface of the elastic sheet 12, after gas is introduced into the connecting groove 11, part of the gas can be sprayed out through the small holes 17, so that part of raw materials are promoted to be lifted, and the raw materials are conveniently distributed among the plurality of sub-plates 7; by arranging the balls 18, when the steel balls fall, the sub-plate 7 moves in the inner income at the moment, and the rotation of the steel balls can be promoted by matching the sub-plate 7 with the balls 18 on the surface of the sub-plate, so that the steel balls rotate while falling, and further the impact and rotating grinding effects can be achieved at the moment of falling of the steel balls, and the treatment effect on the raw materials is improved; by arranging the first air bag 22 and the second air bag 25, when the sub-plates 7 do revolution motion in the control ring 3, the rotary disc 19 on the surface of the sub-plates 7 rotates, the rotary disc 19 can drive the first cam 20 to rotate, the first cam 20 can continuously extrude the first moving block 21, the first moving block 21 can extrude the first air bag 22, further, the gas in the first air bag 22 is led into the second air bag 25, the second air bag 25 repeatedly expands, the second moving block 24 is promoted to repeatedly impact the vibrating plate 23, the vibrating plate 23 vibrates, the steel ball falls, and meanwhile, the vibrating plate 23 at the bottom position vibrates, so that the coarse particles on the raw material on the top surface of the vibrating plate 23 can be promoted to move towards the middle parts of the corresponding two sub-plates 7, the coarse particles can be promoted to move to the surface of the raw material, and the impact grinding effect of the steel ball is improved; by arranging the core bar 26 and fixedly connecting the lantern ring 27 on the surface of the core bar 26, the iron filings in the lifted raw materials can be adsorbed by the design of the magnetic material of the lantern ring 27, the purity of the ground silicon is improved, and the impurities of the iron filings in the ground silicon are reduced; through the arrangement of the cleaning block 28, the motor can drive the power disc 30 to rotate through the rotation of the motor, the power disc 30 can enable the cleaning block 28 to move on the surface of the lantern ring 27, the iron scrap impurities adsorbed on the surface of the lantern ring 27 can be cleaned, the cleaned iron scrap is adsorbed by the magnetic block 29, and the collection of an iron core is facilitated; through setting up second cam 31 on the surface at power disc 30, power disc 30 rotates and can drive second cam 31 and rotate, second cam 31 can extrude flexible piece 32 motion repeatedly, make outside gas one-way leading-in flexible groove repeatedly, and make the inside gas of flexible inslot repeat one-way shower nozzle 33 blowout through, realize clearing up other impurity of clearance inslot portion, because the inside raw materials of barrel 2 is raised, partial raw materials can directly fall the surface of lantern ring 27, can lead out the clearance groove to the raw materials in collecting iron fillings through shower nozzle 33.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high life's nanometer raw materials grinder for lithium cell which characterized in that: comprises a fixed seat (1), a cylinder body (2) and a control ring (3); the top of the fixed seat (1) is rotatably connected with a cylinder body (2); the surface of the fixed seat (1) is fixedly connected with a supporting seat (4) at the bottom of the cylinder body (2); the top of the supporting seat (4) is provided with a control ring (3); a guide groove (6) is formed in the side surface of the control ring (3); the surface of the cylinder body (2) is provided with sliding chutes (5) which are uniformly distributed; the inner parts of the sliding grooves (5) are all connected with branch plates (7) in a sliding manner; and elastic pieces (8) are fixedly connected between the branch plates (7) and the interiors of the corresponding sliding grooves (5).

2. The nanoscale raw material grinding device with long service life for the lithium battery as claimed in claim 1, wherein: the surface of the control ring (3) is provided with an annular groove; a toothed ring (9) is fixedly connected inside the annular groove; a rotating groove is formed in the supporting seat (4); the inside rotation of rotating the groove is connected with gear (10), and meshing connection between gear (10) and ring gear (9), and gear (10) pass through motor drive.

3. The nano-scale raw material grinding device for the lithium battery with the long service life as claimed in claim 2, wherein: the surface of the sub-plate (7) is provided with a connecting groove (11); the inside of the connecting groove (11) is fixedly connected with an elastic sheet (12); and a pressure sensor (13) is arranged inside the connecting groove (11).

4. The nanoscale raw material grinding device with long service life for the lithium battery as claimed in claim 3, wherein: the elastic piece (8) is designed into a telescopic bag-shaped structure; a first channel (14) is formed in the sub-plate (7), and the elastic piece (8) and the connecting groove (11) are communicated in a one-way mode through the first channel (14); a second channel (15) is formed in the surface of the sub-plate (7) at the inner position of the elastic piece (8), and the elastic piece (8) is communicated with the outside atmosphere through the second channel (15); a one-way valve is arranged in the second channel (15); a third channel (16) is formed in the surface of the sub-plate (7) and in the inner position of the elastic piece (8), and the elastic piece (8) is communicated with the outside atmosphere through the third channel (16); and a pressure valve is fixedly connected inside the third channel (16).

5. The nanoscale raw material grinding device with long service life for the lithium battery as claimed in claim 4, wherein: the surface of the elastic sheet (12) is provided with small holes (17) which are uniformly distributed.

6. The nanoscale raw material grinding device with long service life for the lithium battery as claimed in claim 3, wherein: the surface of the sub-plate (7) is provided with balls (18) which are uniformly arranged, and the balls (18) are all positioned close to the corresponding elastic sheet (12).

7. The nanoscale raw material grinding device with long service life for the lithium battery as claimed in claim 5, wherein: the side surface of one side of the sub-plate (7) close to the control ring (3) is rotatably connected with a turntable (19); the surface of the rotary disc (19) is fixedly connected with a first cam (20); a first moving groove is formed in the surface of the dividing plate (7); a first moving block (21) is connected in the first moving groove in a sliding manner; the bottom of the first moving groove is fixedly connected with a first air bag (22); the inner surface of the cylinder body (2) is provided with uniformly distributed mounting grooves; the interior of each mounting groove is fixedly connected with a vibration plate (23); the bottoms of the mounting grooves are provided with second moving grooves; the inner parts of the second moving grooves are connected with second moving blocks (24) in a sliding manner; the bottom of the second moving groove is fixedly connected with a second air bag (25), and the second air bag (25) is communicated with the corresponding first air bag (22) through a pipeline.

8. The nanoscale raw material grinding device with long service life for the lithium battery as claimed in claim 5, wherein: the axial line position of the cylinder body (2) is fixedly connected with a core rod (26); the surface of the core bar (26) is fixedly connected with a lantern ring (27); the collar (27) is designed from a magnetic material.

9. The nanoscale raw material grinding device with long service life for the lithium battery as claimed in claim 8, wherein: a cleaning block (28) is connected to the outer part of the sleeve ring (27) in a sliding manner; the surface of the cleaning block (28) is rotatably connected with a power disc (30), and the power disc (30) is driven by a motor; a cleaning groove is formed in the surface of the cleaning block (28); the inside of clearance groove is linked firmly magnetic block (29).

10. The nanoscale raw material grinding device with long service life for the lithium battery as claimed in claim 9, wherein: the surface of the power disc (30) is fixedly connected with a second cam (31); a telescopic groove is formed in the cleaning block (28) at the top of the second cam (31); a telescopic block (32) is connected inside the telescopic groove in a sliding manner; an elastic sheet is fixedly connected between the telescopic block (32) and the bottom of the telescopic groove; the inside of clearance groove has linked firmly shower nozzle (33), and one-way intercommunication between shower nozzle (33) and the inside in flexible groove, and through the one-way intercommunication of pipeline between flexible groove and the external atmosphere.