CN113996524A - Lithium battery negative electrode new material screening device and screening method thereof - Google Patents
Lithium battery negative electrode new material screening device and screening method thereof Download PDFInfo
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- CN113996524A CN113996524A CN202111268130.XA CN202111268130A CN113996524A CN 113996524 A CN113996524 A CN 113996524A CN 202111268130 A CN202111268130 A CN 202111268130A CN 113996524 A CN113996524 A CN 113996524A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/24—Revolving drums with fixed or moving interior agitators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a screening device for a new material of a lithium battery cathode, which comprises a bottom box, a linkage mechanism, a spring assembly and a vibration mechanism, wherein a screen cylinder is arranged at the top in the bottom box and is connected with the bottom box through the linkage mechanism, a screen box is arranged in the middle in the bottom box and is positioned below the screen cylinder, the spring assembly is arranged at four corners of the bottom surface of the screen box, and the screen box is connected with the bottom box through the vibration mechanism. The invention also discloses a screening method of the lithium battery negative electrode new material screening device; according to the invention, through the matched use of each mechanism component, the problem of poor screening effect of the new lithium battery negative material is solved, the overall structural design is compact, and the screening effect of the new lithium battery material is further improved through multi-stage and multi-level screening operation.
Description
Technical Field
The invention relates to the technical field of lithium battery negative electrode materials, in particular to a screening device and a screening method for a new lithium battery negative electrode material.
Background
In the process of processing the current lithium battery, a new material of a negative electrode of the lithium battery needs to be screened so as to screen out the new material or large-particle impurities which do not accord with the requirement of particle size.
The existing screening devices have the following disadvantages: 1. the structure is complex, only impurities can be removed, and the new material cannot be refined and screened, so that the practicability of the screening device is reduced; 2. because the position design of the sieve pores is single in the screening process, the phenomenon of blockage of the sieve pores is easy to cause, and the screening efficiency is reduced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a screening device for a new material of a negative electrode of a lithium battery.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
the utility model provides a lithium cell negative pole new material screening plant, includes under casing, link gear, spring unit, vibration mechanism, the top is equipped with a sieve section of thick bamboo in the under casing, a sieve section of thick bamboo passes through the link gear and is connected with the under casing, and the below that is located a sieve section of thick bamboo is equipped with the screen box in the middle part of the under casing, four corners in the bottom surface of screen box all are equipped with spring unit, the screen box passes through vibration mechanism and is connected with the under casing.
Preferably, a pair of outer rings is arranged at the tops of the two inner side walls of the bottom box, a bearing ring is arranged in each outer ring, two end parts of the screen cylinder penetrate through and are inserted in the corresponding bearing rings, and a plurality of screening coarse holes are formed in the outer surface of the screen cylinder.
Preferably, a first bearing is arranged on the inner left side wall of the bottom box at the eccentric position of the screen drum, a first screw shaft is inserted into the first bearing, the right end part of the first screw shaft extends rightwards to the right side in the screen drum, and a plurality of first blades are arranged on the first screw shaft in the screen drum.
Preferably, the linkage mechanism comprises a linkage shaft and a first driving belt, a second bearing is arranged on the inner left side wall of the bottom box and below the screen drum, the linkage shaft is inserted into the second bearing, a first gear is sleeved at the inner end of the linkage shaft, a gear ring is sleeved on the screen drum and above the first gear, and the first gear is meshed with the gear ring; the outer end of the linkage shaft is sleeved with a pair of linkage belt pulleys, the outer end of the first spiral shaft is sleeved with a first belt pulley, and the first belt pulley is in transmission connection with one of the linkage belt pulleys through a first driving belt.
Preferably, the spring assembly comprises T-shaped rods and springs, fixed plates are arranged on the inner side walls of the bottom box at the corners of the screen box, slide holes are formed in each fixed plate, the T-shaped rods are arranged at the four corners of the bottom surface of the screen box, each T-shaped rod penetrates through the corresponding slide hole in a sliding mode, the springs are sleeved on the top end portions of the T-shaped rods, and a plurality of screening fine holes are formed in the bottom surface of the screen box.
Preferably, the vibration mechanism includes vibration axle, cam, is located the left side below of screen box case and is equipped with the third bearing on the interior left side wall of under casing, the inside of third bearing is inserted and is equipped with the vibration axle, the inner end portion of vibration axle extends to the middle part below of screen box case right, the inner end portion cover of vibration axle is equipped with a pair of cam, the bottom surface of screen box case is equipped with the U-shaped calorie of wheel board of a pair of bottom parallel and level, every the equal slip block of U-shaped calorie of wheel board is on the cam that corresponds.
Preferably, a fourth bearing is arranged at the bottom of the inner left side wall of the bottom box, a second screw shaft which transversely penetrates through the fourth bearing is inserted into the fourth bearing, the inner end of the second screw shaft extends rightwards to the right side in the bottom box, a plurality of second blades are arranged on the second screw shaft in the bottom box, a positioning plate is arranged at the bottom of the left side face of the bottom box, a servo motor is installed on the top surface of the positioning plate, and the end part of a motor shaft of the servo motor is coaxially connected with the outer end part of the second screw shaft.
Preferably, a second gear is sleeved on the outer end of the second spiral shaft, a third gear is sleeved on the outer end of the vibration shaft above the second gear, the second gear is in meshed connection with the third gear, a second belt pulley is sleeved at the outermost end of the vibration shaft and located on the outer side of the third gear, and the second belt pulley is in transmission connection with the other linkage belt pulley through a second driving belt.
Preferably, the position that is located a sieve section of thick bamboo left end mouth top and corresponds is equipped with the feeding channel-section steel on the left surface of under casing, and the position that is located a sieve section of thick bamboo right-hand member mouth bottom and corresponds is equipped with impurity row slag pipe on the right surface of under casing, the rectangle through-hole has been seted up to the right flank of box with a net, and the below that is located the rectangle through-hole is equipped with well granule in the right flank of under casing and arranges the material channel-section steel, well granule arranges the interior tip of material channel-section steel and extends to the right side below of box with a net, be equipped with tiny particle ejection of compact channel-section steel in the right flank bottom of under casing.
The invention also provides a screening method of the lithium battery negative electrode new material screening device, which comprises the following steps:
starting a servo motor, controlling a motor shaft of the servo motor to drive a second screw shaft to synchronously rotate, further driving a second gear and a second blade to rotate, meshing to drive a third gear and a vibration shaft to reversely rotate, and further driving a pair of cams to reversely rotate;
step two, the screen box body can drive the T-shaped rod to slide downwards along the sliding hole under the action of gravity, so that the spring is compressed and deformed, the spring plays a role of buffering and drives the U-shaped clamping wheel plate to move downwards, and the U-shaped clamping wheel plate and the screen box body are reversely driven to vibrate in a reciprocating manner under the reciprocating rotation action of the cam;
when the vibrating shaft rotates reversely, the second belt pulley is driven to synchronously rotate reversely, the other linkage belt pulley and the linkage shaft are driven to synchronously rotate reversely through the second driving belt, the first gear is driven to synchronously rotate reversely, and the gear ring and the screen cylinder are driven to slowly rotate forwards along the bearing ring in a meshing manner because the number of teeth of the gear ring is more than that of teeth of the first gear;
when the linkage shaft rotates reversely, a linkage belt pulley is driven to synchronously rotate reversely, and the first belt pulley, the first spiral shaft and the first blade are driven to rotate reversely in the screen drum through the first driving belt;
adding a new material into the screen drum through the feeding channel steel, wherein the screen drum slowly rotates in the forward direction, the first spiral shaft and the first blade rotate in the reverse direction, the new material is pushed to be conveyed rightwards under the action of the first blade, the synchronous screen drum drives the new material to rotate, the new material with medium and small particles falls into the screen box along the screening coarse holes, and large-particle impurities are discharged along the impurity discharging pipe;
and step six, when the new material drops into the screen mesh box, the new small particle material drops to the bottom in the bottom box through the screening pores due to the reciprocating vibration effect of the screen mesh box, the new medium particle material drops into the medium particle discharging channel steel along the rectangular through hole and is discharged along the medium particle discharging channel steel, and the new material at the bottom in the bottom box is pushed to be discharged along the small particle discharging channel steel under the action of the second screw shaft and the second blades.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the screen cylinder rotates slowly in the forward direction, the first screw shaft and the first blade rotate in the reverse direction, the new material is pushed under the action of the first blade to carry out primary screening operation, and then the U-shaped clamping wheel plate and the screen box are driven to vibrate in a reciprocating manner through the reciprocating rotation action of the cam to carry out secondary screening operation, so that the screening effect of the new material for the negative electrode of the lithium battery is improved;
2. in the invention, when the screen cylinder rotates, the first blade rotates along the inner wall of the screen cylinder in a reverse direction, so that the new material is conveniently pushed to be conveyed, the phenomenon that the new material blocks the screening coarse holes is avoided, and the new material in the screen cylinder is driven to vibrate in a reciprocating manner under the reciprocating vibration action of the screen box, so that the phenomenon that the new material blocks the screening fine holes is avoided;
in conclusion, the screening device solves the problem of poor screening effect of the new lithium battery negative material by matching the mechanism components, has compact overall structural design, and further improves the screening effect of the new lithium battery material through multi-stage and multi-level screening operation.
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 left side view of the present invention;
FIG. 4 is a right side view of the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 6 is a front view of a screen cylinder of the present invention;
FIG. 7 is a schematic illustration of the screening method of the present invention;
number in the figure: the screening device comprises a bottom box 1, a screen drum 11, an outer ring 12, a bearing ring 13, a screening coarse hole 14, a first screw shaft 15, a first blade 16, a feeding channel steel 17, an impurity slag discharge pipe 18, a screen box 2, a screening fine hole 21, a fixing plate 22, a T-shaped rod 23, a rectangular through hole 24, a medium particle discharging channel steel 25, a vibrating shaft 26, a cam 27, a U-shaped clamping wheel plate 28, a spring 29, a second screw shaft 3, a second blade 31, a small particle discharging channel steel 32, a servo motor 33, a second gear 34, a third gear 35, a linkage shaft 36, a second driving belt 37, a first driving belt 38, a first gear 39 and a gear ring 310.
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 new material screening plant for lithium battery cathodes, and referring to fig. 1-6, the new material screening plant specifically comprises a bottom box 1, a linkage mechanism, a spring assembly and a vibration mechanism, wherein the bottom box 1 is a horizontally and transversely placed rectangular box shape, a screen drum 11 rotatably connected with the bottom box 1 is arranged at the top in the bottom box 1, the screen drum 11 is connected with the bottom box 1 through the linkage mechanism, a screen box 2 obliquely suspended in the middle in the bottom box 1 is arranged below the screen drum 11, the spring assembly is arranged at four corners of the bottom surface of the screen box 2, and the screen box 2 is connected with the bottom box 1 through the vibration mechanism.
In the invention, a pair of outer rings 12 are arranged at the tops of two inner side walls of a bottom box 1, a bearing ring 13 which is concentrically and fixedly connected is arranged in each outer ring 12, two end parts of a screen cylinder 11 are inserted into the corresponding bearing rings 13 in a penetrating manner, a plurality of screening coarse holes 14 which are uniformly arranged are formed in the outer surface of the screen cylinder 11, when the screen cylinder 11 rotates, the screen cylinder 11 slowly and forwardly rotates along the bearing rings 11, and when the screen cylinder 11 rotates, a first blade 16 reversely rotates along the inner wall of the screen cylinder 11, so that new materials are conveniently pushed to be conveyed, and the phenomenon that the screening coarse holes 14 are blocked by the new materials is avoided.
In the invention, a first bearing is arranged on the inner left side wall of the bottom box 1 at the eccentric position of the screen cylinder 11, a first screw shaft 15 which transversely penetrates through is inserted in the first bearing, the right end part of the first screw shaft 15 extends rightwards to the inner right side of the screen cylinder 11, a plurality of first blades 16 which are continuously and spirally fixedly connected are arranged on the first screw shaft 15 in the screen cylinder 11, when the first screw shaft 15 and the first blades 16 rotate reversely, new materials are pushed to be conveyed rightwards under the action of the first blades 16, the new small-particle new materials fall into the screen box 2 along the screening coarse holes 14, and large-particle impurities are discharged along the impurity slag discharge pipe 18.
In the invention, the linkage mechanism comprises a linkage shaft 36 and a first driving belt 38, a second bearing is arranged on the inner left side wall of the bottom box 1 and positioned below the screen drum 11, the linkage shaft 36 transversely penetrating is inserted into the second bearing, a first gear 39 concentrically and fixedly connected with the inner end of the linkage shaft 36 is sleeved on the inner left side wall of the bottom box 1, a gear ring 310 concentrically and fixedly connected with the first gear 39 is sleeved on the screen drum 11 and positioned above the first gear 39, the first gear 39 is meshed with the gear ring 310, when the linkage shaft 36 rotates in the reverse direction, the first gear 39 is driven to rotate synchronously, and as the number of teeth of the gear ring 310 is more than that of the first gear 39, the gear ring 310 and the screen drum 11 are driven to rotate in the reverse direction by meshing; a pair of linkage belt pulleys which are concentrically and fixedly connected is sleeved at the outer end part of the linkage shaft 36, a first belt pulley which is concentrically and fixedly connected is sleeved at the outer end part of the first spiral shaft 15, and the first belt pulley is in transmission connection with one of the linkage belt pulleys through a first driving belt 38.
In the invention, the vibrating mechanism comprises a vibrating shaft 26 and a cam 27, a third bearing is arranged on the inner left side wall of the bottom box 1 and positioned below the left side of the screen box 2, the vibrating shaft 26 transversely penetrating is inserted in the third bearing, the inner end part of the vibrating shaft 26 extends rightwards to the lower part of the middle part of the screen box 2, a pair of cams 27 eccentrically and fixedly connected are sleeved at the inner end part of the vibrating shaft 26, a pair of U-shaped clamping wheel plates 28 with the bottoms being flush are arranged on the bottom surface of the screen box 2, each U-shaped clamping wheel plate 28 is clamped on the corresponding cam 27 in a sliding manner, and the U-shaped clamping wheel plates 28 and the screen box 2 are reversely driven to vibrate in a reciprocating manner under the reciprocating rotation action of the cams 27.
In the invention, a fourth bearing is arranged at the bottom of the inner left side wall of the bottom box 1, a second screw shaft 3 which transversely penetrates through the fourth bearing is inserted into the fourth bearing, the inner end part of the second screw shaft 3 extends rightwards to the right side in the bottom box 1, a plurality of second blades 31 which are fixedly connected in a continuous spiral mode are arranged on the second screw shaft 3 in the bottom box 1, a positioning plate is arranged at the bottom of the left side face of the bottom box 1, a servo motor 33 is arranged on the top surface of the positioning plate, the end part of a motor shaft of the servo motor 33 is coaxially connected with the outer end part of the second screw shaft 3, a motor shaft of the servo motor 33 is controlled to drive the second screw shaft 3 to synchronously rotate, and new materials at the bottom in the bottom box 1 are pushed to be discharged along small particle discharging channel steel 32 under the action of the second screw shaft 3 and the second blades 31.
In the invention, a second gear 34 which is concentrically and fixedly connected is sleeved on the outer end part of the second spiral shaft 3, a third gear 35 which is concentrically and fixedly connected is sleeved on the outer end part of the vibration shaft 26 and is positioned above the second gear 34, the second gear 34 is meshed and connected with the third gear 35, a second belt pulley which is concentrically and fixedly connected is sleeved on the outermost end of the vibration shaft 26 and is positioned outside the third gear 35, the second belt pulley is in transmission connection with another linkage belt pulley through a second driving belt 37, when the second spiral shaft 3 rotates, the second gear 34 is driven to synchronously rotate, the third gear 35 and the vibration shaft 26 are driven to reversely rotate through meshing, and the second driving belt 37 drives another linkage belt pulley and the linkage shaft 36 to synchronously and reversely rotate.
In the invention, a feeding channel steel 17 which obliquely penetrates and is fixedly connected is arranged on the left side surface of the bottom box 1 at a position corresponding to the top of the left port of the screen cylinder 11, an impurity slag discharge pipe 18 which penetrates and is fixedly connected is arranged on the right side surface of the bottom box 1 at a position corresponding to the bottom of the right port of the screen cylinder 11, a rectangular through hole 24 is formed in the right side surface of the screen box 2, a medium particle discharging channel steel 25 which obliquely penetrates and is fixedly connected is arranged on the right side surface of the bottom box 1 below the rectangular through hole 24, the inner end part of the medium particle discharging channel steel 25 extends to the lower part of the right side edge of the screen box 2, and a small particle discharging channel steel 32 is arranged on the bottom of the right side surface of the bottom box 1.
Example two: in embodiment one, still there is unstable problem when screen box reciprocating vibration, therefore, this embodiment still includes on the basis of embodiment one:
in the invention, the spring assembly comprises T-shaped rods 23 and springs 29, fixing plates 22 are arranged on the inner side wall of the bottom box 1 at the corners of the screen box 2, each fixing plate 22 is provided with a sliding hole, T-shaped rods 23 are arranged at four corners of the bottom surface of the screen box 2, each T-shaped rod 23 slides to penetrate through the corresponding sliding hole, the top end part of each T-shaped rod 23 is sleeved with the spring 29, a plurality of uniformly arranged screening fine holes 21 are formed in the bottom surface of the screen box 2, the screen box 2 can drive the T-shaped rods 23 to slide downwards along the sliding holes under the action of gravity, the springs 29 are compressed to deform, and the springs 29 play a buffering role, and due to the reciprocating vibration effect of the screen box 2, new materials in the screen cylinder 2 are driven to vibrate in a reciprocating manner, so that the phenomenon that the new materials block the screening fine holes 21 is avoided.
Example three: referring to fig. 7, in this embodiment, the present invention further provides a screening method for a new material screening device for a negative electrode of a lithium battery, including the following steps:
step one, starting a servo motor 33, controlling a motor shaft of the servo motor 33 to drive a second screw shaft 3 to synchronously rotate, further driving a second gear 34 and a second blade 31 to rotate, and meshing to drive a third gear 35 and a vibration shaft 26 to reversely rotate, further driving a pair of cams 27 to reversely rotate;
step two, the screen box 2 can drive the T-shaped rod 23 to slide downwards along the sliding hole under the action of gravity, so that the spring 29 is compressed to deform, the spring 29 plays a role in buffering and drives the U-shaped clamping wheel plate 28 downwards, and the U-shaped clamping wheel plate 28 and the screen box 2 are reversely driven to vibrate in a reciprocating manner under the reciprocating rotation action of the cam 27;
step three, when the vibration shaft 26 rotates reversely, the second belt pulley is driven to rotate synchronously and reversely, the second driving belt 37 drives the other linkage belt pulley and the linkage shaft 36 to rotate synchronously and reversely, and further drives the first gear 39 to rotate synchronously and reversely, and as the number of teeth of the gear ring 310 is more than that of the first gear 39, the gear ring 310 and the screen cylinder 11 are driven to rotate slowly and positively along the bearing ring 13 in a meshing manner;
step four, when the linkage shaft 36 rotates reversely, a linkage belt pulley is driven to synchronously rotate reversely, and the first belt pulley, the first screw shaft 15 and the first blade 16 are driven to rotate reversely in the screen drum 11 through the first driving belt 38;
step five, new materials are added into the screen drum 11 through the feeding channel steel 17, and due to the fact that the screen drum 11 rotates slowly in the forward direction and the first screw shaft 15 and the first blade 16 rotate reversely at the moment, the new materials are pushed to be conveyed rightwards under the action of the first blade 16, the synchronous screen drum 11 drives the new materials to rotate, the new materials with small and medium particles fall into the screen box 2 along the screening coarse holes 14, and large-particle impurities are discharged along the impurity slag discharge pipe 18;
step six, when the new material drops into the screen box 2, due to the reciprocating vibration effect of the screen box 2, the new small particle material drops to the bottom of the bottom box 1 through the screening fine holes 21, the new medium particle material drops into the medium particle discharging channel steel 25 along the rectangular through holes 24 and is discharged along the medium particle discharging channel steel 25, and the new material at the bottom of the bottom box 1 is pushed to be discharged along the small particle discharging channel steel 32 under the action of the second screw shaft 3 and the second blades 31.
According to the invention, through the matched use of each mechanism component, the problem of poor screening effect of the new lithium battery negative material is solved, the overall structural design is compact, and the screening effect of the new lithium battery material is further improved through multi-stage and multi-level screening operation.
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. The utility model provides a lithium cell negative pole new material screening plant, includes under casing (1), link gear, spring unit, vibration mechanism, its characterized in that: the top is equipped with a sieve section of thick bamboo (11) in bottom case (1), sieve section of thick bamboo (11) are connected with bottom case (1) through link gear, and the below that is located a sieve section of thick bamboo (11) is equipped with sieve box with a net (2) at the middle part in bottom case (1), four corners in the bottom surface of sieve box with a net (2) all are equipped with spring assembly, sieve box with a net (2) are connected with bottom case (1) through vibration mechanism.
2. The screening device for the new material of the negative electrode of the lithium battery as claimed in claim 1, wherein: the inner side wall top of the bottom box (1) is provided with a pair of outer rings (12), each outer ring (12) is internally provided with a bearing ring (13), two end parts of the screen cylinder (11) are inserted into the corresponding bearing rings (13), and the outer surface of the screen cylinder (11) is provided with a plurality of screening coarse holes (14).
3. The screening device for the new material of the negative electrode of the lithium battery as claimed in claim 2, wherein: the inner left side wall of the bottom box (1) at the eccentric position of the screen drum (11) is provided with a first bearing, a first screw shaft (15) is inserted into the first bearing, the right end part of the first screw shaft (15) extends rightwards to the inner right side of the screen drum (11), and a plurality of first blades (16) are arranged on the first screw shaft (15) in the screen drum (11).
4. The screening device for the new material of the negative electrode of the lithium battery as claimed in claim 3, wherein: the linkage mechanism comprises a linkage shaft (36) and a first driving belt (38), a second bearing is arranged on the inner left side wall of the bottom box (1) and positioned below the screen drum (11), the linkage shaft (36) is inserted into the second bearing, a first gear (39) is sleeved at the inner end of the linkage shaft (36), a gear ring (310) is sleeved on the screen drum (11) and positioned above the first gear (39), and the first gear (39) is meshed with the gear ring (310); the outer end of the linkage shaft (36) is sleeved with a pair of linkage belt pulleys, the outer end of the first spiral shaft (15) is sleeved with a first belt pulley, and the first belt pulley is in transmission connection with one of the linkage belt pulleys through a first driving belt (38).
5. The screening device for the new material of the negative electrode of the lithium battery as claimed in claim 4, wherein: spring unit includes T shape pole (23), spring (29), and the corner that is located screen box (2) all is equipped with fixed plate (22), every on being located the inside wall of under casing (1) on fixed plate (22) all seted up the slide opening, four corners in the bottom surface of screen box (2) all are equipped with T shape pole (23), every T shape pole (23) all slide and run through the slide opening that corresponds, and every all overlap on the top portion of T shape pole (23) and be equipped with spring (29), a plurality of screening pores (21) have been seted up on the bottom surface of screen box (2).
6. The screening device for the new material of the negative electrode of the lithium battery as claimed in claim 5, wherein: the utility model discloses a screen box, including vibrating mechanism, the left side below that is located screen box (2) is equipped with the third bearing on the interior left side wall of under casing (1) including vibrating shaft (26), cam (27), the inside of third bearing is inserted and is equipped with vibrating shaft (26), the inner end portion of vibrating shaft (26) extends to the middle part below of screen box (2) right, the inner end portion cover of vibrating shaft (26) is equipped with a pair of cam (27), the bottom surface of screen box (2) is equipped with U-shaped clamping wheel board (28) of a pair of bottom parallel and level, every U-shaped clamping wheel board (28) all slide the block on cam (27) that correspond.
7. The screening device for the new material of the negative electrode of the lithium battery as claimed in claim 6, wherein: the improved structure of the screw conveyor is characterized in that a fourth bearing is arranged at the bottom of the inner left side wall of the bottom box (1), a second screw shaft (3) which transversely penetrates through the fourth bearing is inserted into the fourth bearing, the inner end of the second screw shaft (3) extends rightwards to the inner right side of the bottom box (1), a plurality of second blades (31) are arranged on the second screw shaft (3) in the bottom box (1), a positioning plate is arranged at the bottom of the left side face of the bottom box (1), a servo motor (33) is installed on the top face of the positioning plate, and the end of a motor shaft of the servo motor (33) is coaxially connected with the outer end of the second screw shaft (3).
8. The screening device for the new material of the negative electrode of the lithium battery as claimed in claim 7, wherein: the outer end of the second spiral shaft (3) is sleeved with a second gear (34), a third gear (35) is sleeved on the outer end of the vibration shaft (26) above the second gear (34), the second gear (34) is meshed with the third gear (35) and connected with the outer end of the vibration shaft (26), a second belt pulley is sleeved on the outer side of the third gear (35) at the outermost end of the vibration shaft (26) and is in transmission connection with another linkage belt pulley through a second driving belt (37).
9. The screening device for the new material of the negative electrode of the lithium battery as claimed in claim 8, wherein: the position that is located that a sieve section of thick bamboo (11) left side port top corresponds is equipped with feeding channel-section steel (17) on the left surface of under casing (1), and the position that is located that a sieve section of thick bamboo (11) right-hand member mouth bottom corresponds is equipped with impurity row slag pipe (18) on the right flank of under casing (1), rectangle through-hole (24) have been seted up to the right flank of screen box (2), and the below that is located rectangle through-hole (24) is equipped with well granule row material channel-section steel (25) in the right flank of under casing (1), well granule row material channel-section steel (25) the inner end extend to the right side below of screen box (2), be equipped with granule ejection of compact channel-section steel (32) on the right flank bottom of under casing (1).
10. The screening method of the new material screening device for the negative electrode of the lithium battery as claimed in any one of claims 1 to 9, comprising the steps of:
step one, starting a servo motor (33), controlling a motor shaft of the servo motor (33) to drive a second screw shaft (3) to synchronously rotate, further driving a second gear (34) and a second blade (31) to rotate, and meshing to drive a third gear (35) and a vibration shaft (26) to reversely rotate, further driving a pair of cams (27) to reversely rotate;
step two, the screening net cage (2) can drive the T-shaped rod (23) to slide downwards along the sliding hole under the action of gravity, so that the spring (29) is compressed and deformed, the spring (29) plays a role in buffering and drives the U-shaped clamping wheel plate (28) downwards, and the U-shaped clamping wheel plate (28) and the screening net cage (2) are reversely driven to vibrate in a reciprocating manner under the reciprocating rotation action of the cam (27);
step three, when the vibrating shaft (26) rotates reversely, the second belt pulley is driven to synchronously rotate reversely, the second driving belt (37) drives the other linkage belt pulley and the linkage shaft (36) to synchronously rotate reversely, and further drives the first gear (39) to synchronously rotate reversely, and as the number of teeth of the gear ring (310) is more than that of the first gear (39), the gear ring (310) and the screen drum (11) are driven to slowly rotate forwards along the bearing ring (13) in a meshing manner;
step four, when the linkage shaft (36) rotates reversely, a linkage belt pulley is driven to synchronously rotate reversely, and the first belt pulley, the first screw shaft (15) and the first blade (16) are driven to rotate reversely in the screen drum (11) through the first driving belt (38);
adding a new material into the screen cylinder (11) through the feeding channel steel (17), wherein the screen cylinder (11) slowly rotates in the forward direction, the first screw shaft (15) and the first blade (16) rotate in the reverse direction, the new material is pushed to be conveyed rightwards under the action of the first blade (16), the synchronous screen cylinder (11) drives the new material to rotate, the new material with medium and small particles falls into the screen box (2) along the screening coarse holes (14), and the large-particle impurities are discharged along the impurity slag discharge pipe (18);
step six, when the new material drops into the screen mesh box (2), due to the reciprocating vibration effect of the screen mesh box (2), the new small particle material drops to the bottom in the bottom box (1) through the screening fine holes (21), the new medium particle material drops into the medium particle discharging channel steel (25) along the rectangular through holes (24) and is discharged along the medium particle discharging channel steel (25), and the new material at the bottom in the bottom box (1) is pushed to be discharged along the small particle discharging channel steel (32) under the action of the second screw shaft (3) and the second blades (31).
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| CN202111268130.XA CN113996524A (en) | 2021-10-29 | 2021-10-29 | Lithium battery negative electrode new material screening device and screening method thereof |
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| CN202111268130.XA CN113996524A (en) | 2021-10-29 | 2021-10-29 | Lithium battery negative electrode new material screening device and screening method thereof |
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