CN219518635U - Be applied to dispersion mixing equipment of silicon carbon negative pole material preparation - Google Patents

Abstract

The utility model discloses a dispersion mixing device applied to preparation of silicon-carbon negative electrode materials, and relates to the field of silicon-carbon negative electrode preparation. According to the utility model, the rotating column is arranged in the shell, the inner grinding disc on the rotating column is matched with the outer grinding disc, so that powder can be rapidly dispersed, the fine grinding component in the middle of the rotating column can further disperse the powder, the dispersing efficiency of the device is improved, meanwhile, the movable stirring blade and the fixed stirring blade are arranged at the bottom of the rotating column, and the device can be rapidly mixed by matching with the auger blade, so that the working efficiency of the device is improved.

Description

Be applied to dispersion mixing equipment of silicon carbon negative pole material preparation

Technical Field

The utility model relates to the field of preparation of silicon-carbon negative electrodes, in particular to a dispersion mixing device applied to preparation of silicon-carbon negative electrode materials.

Background

The cathode material is an important component of the lithium ion battery, and directly influences key indexes such as energy density, cycle life, safety performance and the like of the battery. Along with the continuous improvement of the requirements of new energy automobiles on the endurance mileage in practical application, the related materials of the power battery are also developed towards the direction of providing higher energy density. The graphite cathode of the traditional lithium ion battery can not meet the existing requirements, and the high-energy-density cathode material becomes a new hot spot for enterprise chasing. The silicon-carbon negative electrode material is gradually the most preferred choice for improving the negative electrode of battery enterprises and lithium battery material manufacturers due to rich reserves and ultrahigh theoretical specific capacity, and is one of the negative electrode materials of the next generation lithium ion battery with the highest potential. At present, in the production process of the silicon-carbon anode material, the preparation of the silicon-carbon anode material generally firstly weighs nano silicon with certain mass and graphite with certain mass to be dispersed in an aqueous solution or an organic solution of an organic carbon precursor, and then the nano silicon and the graphite are mixed and stirred, but the existing silicon-carbon anode material is not thoroughly dispersed, the agglomeration of powder cannot be further dispersed, the working efficiency of the device is reduced, and the working efficiency of the existing silicon-carbon anode material in the dispersing and mixing process is too low.

Therefore, in order to solve the defects in the prior art, a dispersing and mixing device for preparing the silicon-carbon anode material is required to be designed.

Disclosure of Invention

The utility model provides a dispersion mixing device applied to preparation of a silicon-carbon anode material for solving the problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a be applied to dispersion mixing equipment of silicon carbon negative pole material preparation includes the shell, the top middle part fixedly connected with first motor of shell, the output shaft fixedly connected with rotation post of first motor, rotation post sets up in the inner chamber middle part of shell, the upper end outside fixedly connected with of rotation post is interior to grind the dish, the outside of interior mill is provided with outer mill, outer mill fixed mounting is on the upper end inner wall of shell, the below of outer mill is provided with the sealing block, sealing block fixed mounting is on the middle part inner wall of shell, the middle part outside of rotation post is through sealing bearing and sealing block's middle part swing joint, the hollow tank has been seted up at the middle part of rotation post, the feed inlet has been seted up on the upper end inner wall of hollow tank, all seted up the discharge gate on the inner wall of the lower extreme both sides of hollow tank, feed inlet and discharge gate set up respectively in the upper and lower both sides of sealing block, the inside of hollow tank is provided with meticulous crushing assembly, the lower extreme outside fixedly connected with of rotation post is a plurality of annular array distributed movable stirring leaves, the bottom of rotation post passes through sealing bearing and the inner bottom swing joint of inner bottom of the inner bottom of shell.

Further improvement, fixedly connected with is a plurality of fixed stirring leaves that are annular array and distribute on the lower extreme inner wall of shell, fixed stirring leaf and movable stirring leaf dislocation set from top to bottom.

Further improvement, the lower extreme outside fixedly connected with auger blade of spliced pole, auger blade is located the below of activity stirring leaf.

Further improvement, the feed inlet is provided with a plurality of, and a plurality of feed inlets are annular array and distribute, and the feed inlet sets up to the slope structure, the middle part outside fixedly connected with of rotation post is a plurality of stock guides that are annular array and distribute, stock guide and feed inlet dislocation distribution, and the stock guide sets up to the slope structure.

Further improvement, the equal fixedly connected with feeder hopper in top both sides of shell, bottom one side of shell is provided with the bleeder valve.

Further improvement, the fine crushing subassembly is including inlaying in the second motor at empty slot inner roof middle part, the output shaft fixedly connected with spring telescopic link of second motor, the bottom fixedly connected with crushing dish of spring telescopic link.

Further improvement, fixedly connected with filter on the middle part inner wall of empty slot, the upper surface of filter is laminated with the lower surface of crushing dish, and the tooth's socket of mutual adaptation has all been seted up to the contact surface of crushing dish and filter, crushing dish and filter all set up to the circular cone column structure of inversion.

Compared with the prior art, the dispersing and mixing equipment applied to the preparation of the silicon-carbon anode material has the beneficial effects that: through being provided with the spliced pole in the inside of shell, the interior mill cooperation outer mill on the spliced pole can be with the dispersion that powder is quick, and the fine crushing subassembly at spliced pole middle part can be with the further dispersion of powder, has improved the dispersion efficiency of this device, is provided with movable stirring leaf and fixed stirring leaf in the bottom of spliced pole simultaneously, and the auger blade of cooperation makes the device mix the powder that this device can be quick again, has improved the work efficiency of this device.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of the present utility model.

Fig. 2 is a schematic plan view of the guide plate according to the present utility model.

FIG. 3 is a schematic cross-sectional view of the fine pulverizing assembly of the present utility model.

Fig. 4 is a schematic perspective view of a filter plate structure according to the present utility model.

In the figure: 1. a housing; 2. a first motor; 3. rotating the column; 4. an inner grinding disc; 5. an outer grinding disc; 6. a sealing block; 7. a feed inlet; 71. a material guide plate; 8. a discharge port; 9. a fine crushing assembly; 10. a movable stirring blade; 11. fixing stirring blades; 12. auger blades; 13. a feed hopper; 14. a discharge valve; 15. a second motor; 16. a spring telescoping rod; 17. a shredder plate; 18. a filter plate; 19. tooth slots.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The technical scheme of the utility model is further described below with reference to the examples and the accompanying figures 1-4.

Example 1

The utility model provides a be applied to dispersion mixing equipment of silicon carbon negative pole material preparation, which comprises a housing 1, the top both sides of shell 1 all fixedly connected with feeder hopper 13, two feeder hoppers 13 can put into different powder raw materials respectively, the top middle part fixedly connected with first motor 2 of shell 1, the output shaft fixedly connected with rotation post 3 of first motor 2, rotation post 3 sets up in the inner chamber middle part of shell 1, the upper end outside fixedly connected with inner grinding dish 4 of rotation post 3, the outside of inner grinding dish 4 is provided with outer mill 5, outer mill 5 fixed mounting is on the upper end inner wall of shell 1, outer mill 5 and inner mill 4 cooperation have played the effect of quick crushing, the below of outer mill 5 is provided with sealing block 6, sealing block 6 fixed mounting is on the middle part inner wall of shell 1, the middle part outside of rotation post 3 passes through sealing bearing and sealing block 6's middle part swing joint, the empty slot has been seted up at the middle part of pivoted post 3, feed inlet 7 has been seted up on the upper end inner wall of empty slot, feed inlet 7 is provided with a plurality of, a plurality of feed inlets 7 are annular array and distribute, and feed inlet 7 sets up to the slope structure, the middle part outside fixedly connected with of pivoted post 3 is a plurality of stock guides 71 that are annular array and distribute, stock guides 71 and feed inlet 7 dislocation distribution, and stock guides 71 set up to the slope structure, the effect of stock guides 71 has been played the guide, discharge gate 8 has all been seted up on the lower extreme both sides inner wall of empty slot, feed inlet 7 and discharge gate 8 set up respectively in the upper and lower both sides of sealing block 6, the inside of empty slot is provided with finely crushing subassembly 9, finely crushing subassembly 9 has played the effect of further dispersion, bottom one side of shell 1 is provided with bleeder valve 14.

Specifically, the lower extreme outside fixedly connected with of spliced pole 3 is a plurality of movable stirring leaf 10 that annular array distributes, the lower extreme outside fixedly connected with auger blade 12 of spliced pole 3, auger blade 12 is located the below of movable stirring leaf 10, auger blade 12 can upwards transport the powder of shell 1 bottom, the effect of further mixing has been played, fixedly connected with is a plurality of fixed stirring leaves 11 that are annular array and distribute on the lower extreme inner wall of shell 1, fixed stirring leaf 11 and movable stirring leaf 10 dislocation set from top to bottom, fixed stirring leaf 11 and movable stirring leaf 10 cooperation have played the effect of rapid mixing, the bottom of spliced pole 3 is through sealing bearing and the interior bottom wall middle part swing joint of shell 1.

More specifically, the fine grinding assembly 9 includes the second motor 15 of inlaying in the roof middle part in the empty slot, the output shaft fixedly connected with spring telescopic link 16 of second motor 15, spring telescopic link 16 is the sleeve inside of telescopic link is provided with the spring, the bottom fixedly connected with crushing dish 17 of spring telescopic link 16, the setting of spring telescopic link 16 makes crushing dish 17 can reset fast after removing, fixedly connected with filter 18 on the middle part inner wall of empty slot, filter 18 has played filterable effect, the upper surface of filter 18 is laminated with the lower surface of crushing dish 17, and the tooth's socket 19 of mutually supporting has all been seted up to the contact surface of crushing dish 17 and filter 18, tooth's socket 19 setting makes crushing dish 17 and filter 18 cooperation can be quick with the powder raw materials smash the dispersion, crushing dish 17 and filter 18 all set up to the circular cone structure of inversion, the raw materials granule of being convenient for carries out further dispersion, the powder of being convenient for simultaneously filters from filter 18.

The working principle of the utility model is as follows:

when the device works, the first motor 2 is started firstly, the first motor 2 drives the rotary column 3 to rotate, then two different powder raw materials are respectively injected into the interiors of the two feed hoppers 13, the raw materials fall between the inner grinding disc 4 and the outer grinding disc 5 through the feed hoppers 13, the rotary column 3 drives the inner grinding disc 4 to rotate, the inner grinding disc 4 and the outer grinding disc 5 cooperate to crush and disperse the raw materials, the dispersed small particle raw materials fall to the top of the sealing block 6, the rotary column 3 drives the material guide plate 71 to rotate, the material guide plate 71 sweeps the raw materials into the feed inlet 7, the raw materials fall to the filter plate 18, the second motor 15 is started simultaneously, the second motor 15 drives the crushing disc 17 to rotate through the spring telescopic rod 16, the crushing disc 17 and the filter plate 18 cooperate with the upper tooth grooves 19 thereof to further disperse the raw material particles on the filter plate 18, the dispersed powder falls to the bottom end of the inner cavity of the shell 1 through the filter plate 18, the rotary column 3 drives the movable stirring blade 10 and the auger blade 12 to rotate, the movable stirring blade 10 cooperates with the fixed stirring blade 11 to play a role of rapid mixing, the auger blade 12 plays a role of strengthening the mixing, the mixing efficiency is improved, and finally the mixing efficiency of the device is improved, and the discharging efficiency of the powder mixture is discharged through the device is improved through the working valve 14. The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims (7)

1. Be applied to dispersion mixing apparatus of silicon carbon negative pole material preparation, a serial communication port, including the shell, the top middle part fixedly connected with first motor of shell, the output shaft fixedly connected with of first motor rotates the post, it sets up in the inner chamber middle part of shell to rotate the post, the upper end outside fixedly connected with of post is interior to grind the dish, the outside of interior mill is provided with outer mill, outer mill fixed mounting is on the upper end inner wall of shell, the below of outer mill is provided with the sealing block, sealing block fixed mounting is on the middle part inner wall of shell, the middle part outside of rotating the post is through sealing bearing and sealing block's middle part swing joint, the blank has been seted up at the middle part of rotating the post, the feed inlet has been seted up on the upper end inner wall of blank, all seted up the discharge gate on the lower extreme both sides inner wall of blank, feed inlet and discharge gate set up respectively in the upper and lower both sides of sealing block, the inside of blank is provided with meticulous crushing subassembly, the lower extreme outside fixedly connected with of rotating the post is a plurality of annular distributed movable stirring leaf, the bottom of post passes through sealing array and the sealing column's movable connection.

2. The dispersing and mixing device for preparing silicon-carbon anode materials according to claim 1, wherein a plurality of fixed stirring blades distributed in a ring-shaped array are fixedly connected to the inner wall of the lower end of the shell, and the fixed stirring blades and the movable stirring blades are arranged in a vertically staggered mode.

3. The dispersion mixing device for preparing the silicon-carbon anode material according to claim 1, wherein an auger blade is fixedly connected to the outer side of the lower end of the rotating column, and the auger blade is located below the movable stirring blade.

4. The dispersion mixing device for preparing the silicon-carbon anode material according to claim 1, wherein a plurality of feeding holes are formed, the plurality of feeding holes are distributed in an annular array, the feeding holes are arranged in an inclined structure, a plurality of guide plates distributed in the annular array are fixedly connected to the outer side of the middle of the rotating column, the guide plates and the feeding holes are distributed in a staggered mode, and the guide plates are arranged in the inclined structure.

5. The dispersing and mixing device for preparing silicon-carbon anode materials according to claim 1, wherein the two sides of the top end of the shell are fixedly connected with a feeding hopper, and a discharging valve is arranged on one side of the bottom end of the shell.

6. The dispersion mixing device for preparing the silicon-carbon negative electrode material according to claim 1, wherein the fine crushing assembly comprises a second motor embedded in the middle of the top wall in the hollow groove, an output shaft of the second motor is fixedly connected with a spring telescopic rod, and a crushing disc is fixedly connected with the bottom end of the spring telescopic rod.

7. The dispersing and mixing device for preparing silicon-carbon negative electrode materials according to claim 6, wherein the filter plate is fixedly connected to the inner wall of the middle part of the empty groove, the upper surface of the filter plate is attached to the lower surface of the crushing disc, the contact surfaces of the crushing disc and the filter plate are provided with tooth grooves which are mutually matched, and the crushing disc and the filter plate are in an inverted conical structure.