CN113385093A - Multi-material mixed lithium battery silicon-carbon negative electrode material mixer and mixing method thereof - Google Patents
Multi-material mixed lithium battery silicon-carbon negative electrode material mixer and mixing method thereof Download PDFInfo
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- CN113385093A CN113385093A CN202110678975.XA CN202110678975A CN113385093A CN 113385093 A CN113385093 A CN 113385093A CN 202110678975 A CN202110678975 A CN 202110678975A CN 113385093 A CN113385093 A CN 113385093A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
Abstract
The invention discloses a multi-material mixed mixer for silicon-carbon cathode materials of a lithium battery, which comprises a bottom box, a double-planet stirring mechanism and a crushing mechanism, wherein a first bearing is arranged in the middle of the top surface of the bottom box, a main shaft is inserted into the first bearing, the bottom of the main shaft penetrates through the top wall of the bottom box and extends into the bottom box, the double-planet stirring mechanism is arranged at the top in the bottom box, a pair of crushing cylinders are arranged at the bottoms of two side surfaces of the bottom box, the double-planet stirring mechanism is arranged at the top in the bottom box, and the crushing mechanism is arranged in each crushing cylinder. The invention also discloses a mixing method of the multi-material mixed lithium battery silicon-carbon cathode material mixer; the invention solves the problems of incomplete crushing and poor mixing effect of the silicon-carbon material by matching the mechanisms, has compact overall structure design, and further improves the crushing and mixing effects of the material by a mode of mixing after independent crushing.
Description
Technical Field
The invention relates to the technical field of production of lithium battery cathode materials, in particular to a multi-material mixed lithium battery silicon-carbon cathode material mixer and a mixing method thereof.
Background
The silicon-carbon composite material negative electrode material is often used as a preferred material of a lithium ion battery, the carbon material has good conductivity and small volume change, and after the silicon material is coated with carbon, the conductivity of the material can be enhanced, the agglomeration among silicon nano particles and the volume expansion of the material are avoided, and the rate capability is improved.
During the preparation process of the silicon-carbon composite material cathode material, the silicon-carbon material needs to be crushed and then mixed, the silicon-carbon material is crushed together in a conventional mode, and the silicon-carbon composite material cathode material has the following defects after being mixed: 1. in the crushing process, the phenomenon that the silicon material is coated with carbon is easy to occur, and after the particles are coated, efficient crushing operation cannot be carried out, so that the crushing is not thorough; 2. the granularity of the silicon-carbon material after being crushed is small, the silicon-carbon material is easy to agglomerate, the traditional mixing mode is insufficient, the mixing effect is not good, and the performance of the material in the later period is influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a multi-material mixed silicon-carbon negative electrode material mixer for a lithium battery.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
many materials mix's lithium cell silicon carbon negative pole material blender, including under casing, two planet rabbling mechanisms, rubbing crusher construct, the top surface middle part of under casing is equipped with first bearing, the interpolation of first bearing is equipped with the main shaft, the roof of under casing is run through and extend to in the under casing to the bottom of main shaft, just the top is equipped with two planet rabbling mechanisms in the under casing, the both sides face bottom of under casing is equipped with a pair of crushing barrel, the top is equipped with two planet rabbling mechanisms in the under casing, every all be equipped with rubbing crusher construct in the crushing barrel.
Preferably, the planet rabbling mechanism includes planet master gear, planet pinion, countershaft, be equipped with the outer loop in the bottom case, the top surface of outer loop is equipped with solid fixed ring, just gu fixed ring's topside and the roof rigid coupling in the bottom case, gu the cover is equipped with the gear ring on fixed ring's the internal diameter, the central point that is located the outer loop puts the cover on the main shaft and is equipped with the fender dish, is located the top of fender dish and overlaps on the main shaft and is equipped with the planet master gear, the both sides of planet master gear are equipped with a pair of meshed planet pinion, and is a pair of planet pinion all is connected with gear ring meshing, every planet pinion's bottom surface middle part all is equipped with the countershaft, and the below that is located the fender dish is equipped with a plurality of initiative stirring rakes in the both sides of main shaft, every the both sides of countershaft all are equipped with a plurality of driven stirring rakes.
Preferably, the bottom is equipped with the toper and fills the ring in the under casing, the threaded through-hole has been seted up at the bottom surface middle part of under casing, be equipped with circular lid in the threaded through-hole, the top surface of circular lid is equipped with the rubber buffer, just the rubber buffer supports tightly and fills the intra-annular bottom in the toper, the bottom surface of circular lid is equipped with the handle.
Preferably, the rear of one side of the first bearing is provided with a fixed bearing seat on the top surface of the bottom box, a second bearing is arranged in the fixed bearing seat, the rear of the other side of the first bearing is provided with a servo motor on the top surface of the bottom box, the end part of a motor shaft of the servo motor is provided with a worm, the outer end of the worm is inserted in the second bearing, a worm wheel is sleeved on the main shaft in the front and at the back of the worm, and the worm wheel is meshed with the worm.
Preferably, the crushing mechanism includes crushing roller, crushing reamer, roof middle part is equipped with the third bearing in the crushing barrel, the interpolation of third bearing is equipped with crushing roller, is located the crushing roller and is equipped with a plurality of crushing reamers on the crushing roller, is located the top surface top of under casing and is equipped with fourth bevel gear at the top cover of crushing roller, the top surface outside of crushing roller is equipped with the inlet pipe, the inboard side bottom of crushing roller is equipped with the pipe chute, just the inner end of pipe chute runs through the under casing and extends to in the under casing.
Preferably, be located the bottom below of crushing shaft and be equipped with circular sieve in the crushing barrel, just one side of circular sieve is articulated with the inner wall activity of crushing barrel, is located the bottom surface opposite side of circular sieve and is equipped with trapezoidal dog on the inner wall of crushing barrel, the top surface of trapezoidal dog is equipped with vibrating spring, just vibrating spring's top and the bottom surface opposite side rigid coupling of circular sieve.
Preferably, a first bevel gear is sleeved at the top end of the main shaft, a fourth bearing is arranged at the middle upper part of the inner side surface of the crushing barrel, a driving shaft is inserted into the fourth bearing, a second bevel gear is sleeved at the outer end of the driving shaft, and the second bevel gear is in meshed connection with the first bevel gear.
Preferably, the inner end cover that is located crushing barrel at the drive shaft is equipped with eccentric cam, the top surface opposite side of circular sieve board is equipped with the arc curb plate, the top surface middle part of arc curb plate is equipped with the vibration lug, just eccentric cam and vibration lug are interrupted the collision contact.
Preferably, the top surface inboard of crushing cylinder is equipped with the location bearing frame, be equipped with the fifth bearing in the location bearing frame, the fifth bearing interpolation is equipped with the universal driving shaft, the outer pot head of universal driving shaft is equipped with the third bevel gear, just third bevel gear is connected with the meshing of fourth bevel gear, the inner pot head of universal driving shaft is equipped with the second belt pulley, the middle part cover of drive shaft is equipped with first belt pulley, be equipped with drive belt between first belt pulley and the second belt pulley, drive belt's both ends are established respectively on first belt pulley, second belt pulley.
The invention also provides a mixing method of the multi-material mixed lithium battery silicon-carbon negative electrode material mixer, which comprises the following steps:
step one, a motor shaft of a servo motor drives a worm to synchronously rotate, and a worm wheel is meshed with the worm to drive a main shaft, a first bevel gear and a planet main gear to rotate;
step two, two sides of the planetary auxiliary gear are respectively meshed with the planetary main gear and the gear ring to drive a pair of planetary auxiliary gears to rotate in a double-planetary mode around the baffle disc, meanwhile, the main shaft drives the baffle disc and the driving stirring paddle to rotate, and the planetary auxiliary gear drives the auxiliary shaft and the driven stirring paddle to rotate in a planetary mode;
step three, the first bevel gear is meshed with the second bevel gear to drive the driving shaft and the eccentric cam to synchronously rotate, the eccentric cam is in intermittent collision contact with the vibrating lug, and the vibrating spring on the trapezoidal stop block drives the circular sieve plate and the arc-shaped side plate to perform vibrating sieve operation under the tension action of the vibrating spring;
step four, two ends of a driving belt are respectively sleeved on a first belt pulley and a second belt pulley, a linkage shaft and a third bevel gear are driven to synchronously rotate through a driving shaft, and a third bevel gear is meshed and connected with a fourth bevel gear to drive a crushing shaft and a crushing reamer to rotate;
step five, respectively pouring different silicon-carbon raw materials into the crushing barrel through the feeding pipes on the two sides, driving the raw materials to be fully crushed through a crushing shaft and a crushing reamer under the reciprocating vibrating screen operation of the circular sieve plate, and enabling the crushed raw materials to fall to the inner bottom of the crushing barrel along the circular sieve plate and enter a bottom box through an inclined pipe;
step six, because the staggered mixing and stirring operation of the driving stirring paddle and the driven stirring paddle is matched, the raw materials entering the bottom box are mixed and stirred repeatedly, after different raw materials are fully mixed, the circular cover is rotated through the handle, the rubber plug is driven to be pulled out along the conical filling ring, and the raw materials are discharged along the threaded through hole.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, a first bevel gear is meshed with a second bevel gear to drive a driving shaft and an eccentric cam to synchronously rotate, the eccentric cam is in intermittent collision contact with a vibration lug, and a vibration spring on a trapezoidal stop block drives a circular sieve plate and an arc-shaped side plate to perform vibrating sieve operation under the tension action of the vibration spring; two ends of a driving belt are respectively sleeved on the first belt pulley and the second belt pulley, a linkage shaft and a third bevel gear are driven to synchronously rotate through a driving shaft, the third bevel gear is meshed with a fourth bevel gear to drive a crushing shaft and a crushing reamer to rotate, and the raw materials are conveniently driven to be fully crushed;
2. in the invention, a motor shaft of a servo motor drives a worm to synchronously rotate, a worm wheel is meshed with the worm to drive a main shaft, a first bevel gear and a planetary main gear to rotate, two sides of a planetary pinion are respectively meshed with the planetary main gear and a gear ring to drive a pair of planetary pinions to rotate around a baffle disc in a double-planetary way, the main shaft drives the baffle disc and a driving stirring paddle to rotate, and the planetary pinion drives an auxiliary shaft and a driven stirring paddle to rotate in a planetary way, so that raw materials entering a bottom box are repeatedly mixed and stirred, and the effect of mixing and stirring the raw materials is further improved;
in conclusion, the invention solves the problems of incomplete pulverization of the silicon-carbon material and poor mixing effect by matching the mechanisms, has compact overall structure design, and further improves the pulverization and mixing effects of the material by a mode of single pulverization and mixing.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is a top cross-sectional view of the planetary stirring mechanism of the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic illustration of the mixing process of the present invention;
number in the figure: the device comprises a bottom box 1, a conical filling ring 11, a circular cover 12, a rubber stopper 13, a handle 14, an outer ring 15, a fixing ring 16, a main shaft 2, a driving stirring paddle 21, a baffle disc 22, a planetary main gear 23, a gear ring 24, a planetary auxiliary gear 25, an auxiliary shaft 26, a driven stirring paddle 27, a servo motor 3, a fixed bearing seat 31, a worm 32, a worm wheel 33, a first bevel gear 34, a crushing barrel 4, a circular sieve plate 41, a trapezoidal stop 42, an arc-shaped side plate 43, a crushing shaft 44, a crushing reamer 45, a feeding pipe 46, an inclined pipe 47, a positioning bearing seat 5, a linkage shaft 51, a third bevel gear 52, a fourth bevel gear 53, a second pulley 54, a driving belt 55, a first pulley 56, a driving shaft 6, a second bevel gear 61, an eccentric cam 62 and a vibration lug 63.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The first embodiment is as follows: the embodiment provides a lithium battery silicon carbon negative electrode material blender that many materials mix, refer to fig. 1-4, it is concrete, including under casing 1, two planet rabbling mechanisms, rubbing crusher constructs, under casing 1 is the vertical circular box form of placing, the top surface middle part of under casing 1 is equipped with the first bearing that runs through the rigid coupling, first bearing interpolation is equipped with the vertical main shaft 2 that runs through the rigid coupling, the roof of under casing 1 is run through and extends to under casing 1 in the bottom of main shaft 2, and the top is equipped with two planet rabbling mechanisms in the under casing 1, the both sides face bottom of under casing 1 is equipped with a pair of crushing barrel 4, the bottom of crushing barrel 4 is the slope form, the top is equipped with two planet rabbling mechanisms in the under casing 1, all be equipped with rubbing crusher constructs in every crushing barrel 4.
In the invention, the planetary stirring mechanism comprises a planetary main gear 23, planetary auxiliary gears 25 and auxiliary shafts 26, an outer ring 15 which is concentrically and fixedly connected is arranged in a bottom box 1, a fixed ring 16 which is concentrically and fixedly connected is arranged on the top surface of the outer ring 15, the top edge of the fixed ring 16 is fixedly connected with the inner top wall of the bottom box 1, a gear ring 24 which is concentrically and fixedly connected is sleeved on the inner diameter of the fixed ring 16, a baffle disc 22 is sleeved on a main shaft 2 at the central position of the outer ring 15, the planetary main gear 23 is sleeved on the main shaft 2 above the baffle disc 22, a pair of planetary auxiliary gears 25 which are in meshing connection are arranged on two sides of the planetary main gear 23, the pair of planetary auxiliary gears 25 are in meshing connection with the gear ring 24, the auxiliary shafts 26 which are vertically and concentrically and fixedly connected are arranged in the middle of the bottom surface of each planetary auxiliary gear 25, a plurality of driving stirring paddles 21 which are fixedly connected in an equal distance manner are arranged on two sides of the main shaft 2 below the baffle disc 22, a plurality of driven stirring paddles 27 which are fixedly connected in an equal distance in a staggered manner are arranged on two sides of each auxiliary shaft 26, the two sides of the planetary pinion 25 are respectively engaged with the planetary main gear 23 and the gear ring 24 to drive the pair of planetary pinions 25 to perform double planetary rotation around the baffle disc 22, the main shaft 2 drives the baffle disc 22 and the driving stirring paddle 21 to rotate, and the planetary pinion 25 drives the auxiliary shaft 26 and the driven stirring paddle 27 to perform planetary rotation, so that the raw materials entering the bottom box 1 are mixed and stirred repeatedly, and the effect of mixing and stirring the raw materials is further improved.
In the invention, a conical filling ring 11 is arranged at the bottom in a bottom box 1, a threaded through hole is formed in the middle of the bottom surface of the bottom box 1, a round cover 12 in threaded connection is arranged in the threaded through hole, a rubber plug 13 is arranged on the top surface of the round cover 12, the rubber plug 13 abuts against the bottom in the conical filling ring 11, a handle 14 is arranged on the bottom surface of the round cover 12, a plurality of bases are uniformly distributed on the bottom surface of the bottom box 1, after different raw materials are fully mixed, the round cover 12 is rotated through the handle 14, the rubber plug 13 is driven to be pulled out along the conical filling ring 11, and the raw materials are discharged along the threaded through hole.
In the invention, a fixed bearing seat 31 is arranged on the top surface of the bottom box 1 behind one side of a first bearing, a second bearing is arranged in the fixed bearing seat 31, a servo motor 3 is arranged on the top surface of the bottom box 1 behind the other side of the first bearing, a worm 32 coaxially connected with the top surface of the bottom box 1 is arranged at the end part of a motor shaft of the servo motor 3, the outer end of the worm 32 is inserted in the second bearing, worm wheels 33 are sleeved on the main shaft 2 in front of and behind the worm 32, the worm wheels 33 are meshed with the worm 32, a motor shaft of the servo motor 3 drives the worm 32 to synchronously rotate, the worm wheels 33 are meshed with the worm 32 to drive the main shaft 2, the first bevel gear 34 and the planet main gear 23 to rotate, and the driving force is conveniently provided for the main shaft 2.
In the invention, the crushing mechanism comprises a crushing shaft 44 and a crushing reamer 45, a third bearing which penetrates through and is fixedly connected is arranged in the middle of the inner top wall of the crushing barrel 4, the crushing shaft 44 which penetrates through and is fixedly connected vertically is inserted in the third bearing, a plurality of pairs of crushing reamers 45 which are fixedly connected in a staggered mode are arranged on the crushing shaft 44 in the crushing barrel 4, a fourth bevel gear 53 which is concentrically and fixedly connected is sleeved on the top end of the crushing shaft 44 and is positioned above the top surface of the bottom box 1, a feeding pipe 46 which penetrates through and is fixedly connected is arranged on the outer side of the top surface of the crushing barrel 4, an inclined pipe 47 which penetrates through and is fixedly connected in an inclined mode is arranged at the bottom of the inner side surface of the crushing barrel 4, and the inner end of the inclined pipe 47 penetrates through the bottom box 1 and extends into the bottom box 1.
In the invention, a positioning bearing seat 5 is arranged on the inner side of the top surface of the crushing barrel 4, a fifth bearing is arranged in the positioning bearing seat 5, a linkage shaft 51 transversely fixedly connected in a penetrating way is inserted in the fifth bearing, a third bevel gear 52 is sleeved at the outer end of the linkage shaft 51, and the third bevel gear 52 is engaged with the fourth bevel gear 53, the inner end of the linkage shaft 51 is sleeved with a second belt pulley 54, the middle part of the driving shaft 6 is sleeved with a first belt pulley 56, a driving belt 55 is arranged between the first belt pulley 56 and the second belt pulley 54, two ends of the driving belt 55 are respectively sleeved on the first belt pulley 56 and the second belt pulley 54, the driving shaft 6 drives the linkage shaft 51 and the third bevel gear 52 to synchronously rotate, the third bevel gear 52 is meshed with the fourth bevel gear 53 to drive the crushing shaft 44 and the crushing reamer 45 to rotate, and the raw materials are driven to be fully crushed through the crushing shaft 44 and the crushing reamer 45.
Example two: in the first embodiment, there is also a problem that the raw material cannot be pulverized completely, and therefore, the first embodiment further includes:
in the invention, a transversely placed circular sieve plate 41 is arranged in the crushing barrel 4 below the bottom end of the crushing shaft 44, one side of the circular sieve plate 41 is movably hinged with the inner wall of the crushing barrel 4, a trapezoidal stop block 42 is arranged on the inner wall of the crushing barrel 4 and positioned on the other side of the bottom surface of the circular sieve plate 41, a vibration spring is arranged on the top surface of the trapezoidal stop block 42, and the top end of the vibration spring is fixedly connected with the other side of the bottom surface of the circular sieve plate 41; a first bevel gear 34 is sleeved at the top end of the main shaft 2, a fourth bearing which is fixedly connected in a penetrating manner is arranged at the middle upper part of the inner side surface of the crushing barrel 4, a driving shaft 6 which is fixedly connected in a penetrating manner in a transverse manner is inserted into the fourth bearing, a second bevel gear 61 is sleeved at the outer end of the driving shaft 6, and the second bevel gear 61 is in meshed connection with the first bevel gear 34; an eccentric cam 62 which is eccentrically and fixedly connected is sleeved at the inner end of the driving shaft 6 in the crushing barrel 4, an arc-shaped side plate 43 is arranged at the other side of the top surface of the circular sieve plate 41, a vibration lug 63 is arranged in the middle of the top surface of the arc-shaped side plate 43, and the eccentric cam 62 and the vibration lug 63 are in intermittent collision contact; the first bevel gear 34 is meshed with the second bevel gear 61 to drive the driving shaft 6 and the eccentric cam 62 to synchronously rotate, the eccentric cam 62 is in intermittent collision contact with the vibration bump 63, and the vibration spring on the trapezoidal block 42 drives the circular sieve plate 41 and the arc-shaped side plate 43 to perform sieve vibration operation under the tension action of the vibration spring.
Example three: referring to fig. 5, in this embodiment, the present invention further provides a mixing method of a multi-material mixed mixer for silicon-carbon negative electrode materials of a lithium battery, including the following steps:
step one, a servo motor 3 is started, a motor shaft of the servo motor 3 drives a worm 32 to synchronously rotate, a worm wheel 33 is meshed with the worm 32 to drive a main shaft 2, a first bevel gear 34 and a planet main gear 23 to rotate;
step two, two sides of the planet pinion 25 are respectively meshed with the planet main gear 23 and the gear ring 24 to drive a pair of planet pinions 25 to rotate around the baffle disc 22 in a double-planet mode, meanwhile, the main shaft 2 drives the baffle disc 22 and the driving stirring paddle 21 to rotate, and the planet pinions 25 drive the auxiliary shaft 26 and the driven stirring paddle 27 to rotate in a planet mode;
step three, the first bevel gear 34 is meshed with the second bevel gear 61 to drive the driving shaft 6 and the eccentric cam 62 to synchronously rotate, the eccentric cam 62 is in intermittent collision contact with the vibration bump 63, and the vibration spring on the trapezoidal block 42 acts on tension to drive the circular sieve plate 41 and the arc-shaped side plate 43 to perform sieve vibration operation;
step four, two ends of a driving belt 55 are respectively sleeved on a first belt pulley 56 and a second belt pulley 54, a linkage shaft 51 and a third bevel gear 52 are driven to synchronously rotate through a driving shaft 6, and the third bevel gear 52 is meshed with a fourth bevel gear 53 to drive a crushing shaft 44 and a crushing reamer 45 to rotate;
step five, respectively pouring different silicon-carbon raw materials into the crushing barrel 4 through the feeding pipes 46 at two sides, driving the raw materials to carry out full crushing operation through a crushing shaft 44 and a crushing reamer 45 under the reciprocating vibrating operation of the circular sieve plate 41, and enabling the crushed raw materials to fall to the inner bottom of the crushing barrel 4 along the circular sieve plate 41 and enter the bottom box 1 through an inclined pipe 47;
step six, because the driving stirring paddle 21 is matched with the staggered mixing and stirring operation of the driven stirring paddle 27, the raw materials entering the bottom box 1 are mixed and stirred repeatedly, after different raw materials are mixed completely, the circular cover 12 is rotated through the handle 14, the rubber plug 13 is driven to be pulled out along the conical filling ring 11, and the raw materials are discharged along the threaded through hole.
The invention solves the problems of incomplete crushing and poor mixing effect of the silicon-carbon material by matching the mechanisms, has compact overall structure design, and further improves the crushing and mixing effects of the material by a mode of mixing after independent crushing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. Lithium cell silicon carbon negative pole material blender that many materials were mixed includes under casing (1), two planet rabbling mechanisms, rubbing crusher constructs, its characterized in that: the top surface middle part of under casing (1) is equipped with first bearing, insert in the first bearing and be equipped with main shaft (2), the roof of under casing (1) is run through and extend to under casing (1) in the bottom of main shaft (2), just the top is equipped with two planet rabbling mechanisms in under casing (1), the both sides face bottom of under casing (1) is equipped with a pair of crushing barrel (4), the top is equipped with two planet rabbling mechanisms in under casing (1), every all be equipped with rubbing crusher in crushing barrel (4).
2. The multi-material hybrid lithium battery silicon carbon negative electrode material mixer as claimed in claim 1, wherein: the planetary stirring mechanism comprises a planetary main gear (23), planetary auxiliary gears (25) and auxiliary shafts (26), an outer ring (15) is arranged in the bottom box (1), a fixing ring (16) is arranged on the top surface of the outer ring (15), the top edge of the fixing ring (16) is fixedly connected with the inner top wall of the bottom box (1), a gear ring (24) is sleeved on the inner diameter of the fixing ring (16), a baffle disc (22) is sleeved on the main shaft (2) at the central position of the outer ring (15), the planetary main gear (23) is sleeved on the main shaft (2) above the baffle disc (22), a pair of meshed planetary auxiliary gears (25) are arranged on two sides of the planetary main gear (23), the planetary auxiliary gears (25) are connected with the gear ring (24) in a meshing manner, the auxiliary shafts (26) are arranged in the middle of the bottom surface of each planetary auxiliary gear (25), a plurality of active stirring paddles (21) are arranged on two sides of the main shaft (2) below the baffle disc (22), and a plurality of driven stirring paddles (27) are arranged on two sides of each auxiliary shaft (26).
3. The multi-material hybrid lithium battery silicon carbon negative electrode material mixer as claimed in claim 1, wherein: the bottom is equipped with toper packing ring (11) in under casing (1), the threaded through-hole has been seted up at the bottom surface middle part of under casing (1), be equipped with circular lid (12) in the threaded through-hole, the top surface of circular lid (12) is equipped with rubber buffer (13), just rubber buffer (13) support tightly and fill ring (11) interior bottom in the toper, the bottom surface of circular lid (12) is equipped with handle (14).
4. The multi-material hybrid lithium battery silicon carbon negative electrode material mixer as claimed in claim 1, wherein: be located one side rear of first bearing and be equipped with fixed bearing seat (31) at the top surface of under casing (1), be equipped with the second bearing in fixed bearing seat (31), be located the opposite side rear of first bearing and be equipped with servo motor (3) at the top surface of under casing (1), the motor shaft tip of servo motor (3) is equipped with worm (32), the outer end of worm (32) is inserted and is established in the second bearing, is located around worm (32) and is equipped with worm wheel (33) on main shaft (2), just worm wheel (33) are connected with worm (32) meshing.
5. The multi-material hybrid lithium battery silicon carbon negative electrode material mixer as claimed in claim 1, wherein: the crushing mechanism comprises a crushing shaft (44) and crushing reamer (45), a third bearing is arranged in the middle of the inner top wall of the crushing barrel (4), the crushing shaft (44) is inserted in the third bearing, a plurality of crushing reamer (45) are arranged on the crushing shaft (44) in the crushing barrel (4), a fourth bevel gear (53) is sleeved on the top end of the crushing shaft (44) above the top surface of the bottom box (1), an inlet pipe (46) is arranged on the outer side of the top surface of the crushing barrel (4), an inclined pipe (47) is arranged at the bottom of the inner side surface of the crushing barrel (4), and the inner end of the inclined pipe (47) penetrates through the bottom box (1) and extends into the bottom box (1).
6. The multi-material mixed lithium battery silicon-carbon negative electrode material mixer as claimed in claim 5, wherein: be located the bottom below of crushing shaft (44) and be equipped with circular sieve (41) in crushing barrel (4), just one side of circular sieve (41) is articulated with the inner wall activity of crushing barrel (4), is located the bottom surface opposite side of circular sieve (41) and is equipped with trapezoidal dog (42) on the inner wall of crushing barrel (4), the top surface of trapezoidal dog (42) is equipped with vibrating spring, just vibrating spring's top and the bottom surface opposite side rigid coupling of circular sieve (41).
7. The multi-material hybrid lithium battery silicon carbon negative electrode material mixer as claimed in claim 6, wherein: the top of the main shaft (2) is sleeved with a first bevel gear (34), the middle upper part of the inner side surface of the crushing barrel (4) is provided with a fourth bearing, a driving shaft (6) is inserted into the fourth bearing, the outer end of the driving shaft (6) is sleeved with a second bevel gear (61), and the second bevel gear (61) is meshed with the first bevel gear (34).
8. The multi-material hybrid lithium battery silicon carbon negative electrode material mixer as claimed in claim 7, wherein: the inner end cover that is located crushing barrel (4) inherent drive shaft (6) is equipped with eccentric cam (62), the top surface opposite side of circular sieve board (41) is equipped with arc curb plate (43), the top surface middle part of arc curb plate (43) is equipped with vibration lug (63), just eccentric cam (62) and vibration lug (63) are interrupted the collision contact.
9. The multi-material hybrid lithium battery silicon carbon negative electrode material mixer as claimed in claim 7, wherein: the top surface inboard of crushing barrel (4) is equipped with location bearing frame (5), be equipped with the fifth bearing in location bearing frame (5), the fifth bearing interpolation is equipped with universal driving shaft (51), the outer pot head of universal driving shaft (51) is equipped with third bevel gear (52), just third bevel gear (52) are connected with fourth bevel gear (53) meshing, the inner pot head of universal driving shaft (51) is equipped with second belt pulley (54), the middle part cover of drive shaft (6) is equipped with first belt pulley (56), be equipped with between first belt pulley (56) and second belt pulley (54) drive belt (55), the both ends of drive belt (55) are established respectively on first belt pulley (56), second belt pulley (54).
10. The mixing method of the multi-material mixed silicon-carbon negative electrode material mixer for the lithium battery as claimed in any one of claims 1 to 9, characterized by comprising the following steps:
step one, a motor shaft of a servo motor (3) drives a worm (32) to synchronously rotate, a worm wheel (33) is meshed with the worm (32) to drive a main shaft (2), a first bevel gear (34) and a planet main gear (23) to rotate;
step two, two sides of a planetary pinion (25) are respectively meshed with a planetary main gear (23) and a gear ring (24) to drive a pair of planetary pinions (25) to rotate in a double-planetary mode around a baffle disc (22), meanwhile, a main shaft (2) drives the baffle disc (22) and a driving stirring paddle (21) to rotate, and the planetary pinions (25) drive an auxiliary shaft (26) and a driven stirring paddle (27) to rotate in a planetary mode;
thirdly, the first bevel gear (34) is meshed with the second bevel gear (61) to drive the driving shaft (6) and the eccentric cam (62) to synchronously rotate, the eccentric cam (62) is in intermittent collision contact with the vibration bump (63), and the vibration spring on the trapezoidal block (42) acts on tension to drive the circular sieve plate (41) and the arc-shaped side plate (43) to perform vibrating sieve operation;
step four, two ends of a driving belt (55) are respectively sleeved on a first belt pulley (56) and a second belt pulley (54), a linkage shaft (51) and a third bevel gear (52) are driven to synchronously rotate through a driving shaft (6), and the third bevel gear (52) is meshed with a fourth bevel gear (53) to drive a crushing shaft (44) and a crushing reamer (45) to rotate;
step five, respectively pouring different silicon-carbon raw materials into the crushing barrel (4) through the feeding pipes (46) at two sides, driving the raw materials to be fully crushed through a crushing shaft (44) and a crushing reamer (45) under the reciprocating vibrating screen operation of the circular sieve plate (41), and enabling the crushed raw materials to fall to the inner bottom of the crushing barrel (4) along the circular sieve plate (41) and enter the bottom box (1) through an inclined pipe (47);
step six, due to the fact that the driving stirring paddle (21) is matched with the driven stirring paddle (27) to conduct staggered mixing operation, raw materials entering the bottom box (1) are mixed and stirred repeatedly, after different raw materials are mixed fully, the circular cover (12) is rotated through the handle (14), the rubber plug (13) is driven to be pulled out along the conical filling ring (11), and the raw materials are discharged along the threaded through hole.
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| CN115663107A (en) * | 2022-10-15 | 2023-01-31 | 连云港师范高等专科学校 | Silicon-carbon lithium battery anode material synthesis device convenient for feeding and feeding method |
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