阅读说明：本技术 一种锂电池极片加工方法 (Processing method of lithium battery pole piece ) 是由 钱车华 于 2019-09-29 设计创作，主要内容包括：本发明公开了一种锂电池极片加工方法,该加工方法的步骤可分为：浆料制备；浆料涂覆；极片辊压；极片分切；极片干燥,本方法实施简单,在浆料制备时通过加快水和浆料的混合速度从而提高工作效。(The invention discloses a processing method of a lithium battery pole piece, which comprises the following steps: preparing slurry; coating the slurry; rolling the pole piece; cutting the pole piece; the pole piece is dried, the method is simple to implement, and the working efficiency is improved by accelerating the mixing speed of water and the slurry during the preparation of the slurry.)

1. A processing method of a lithium battery pole piece comprises the following steps:

a. preparing slurry: the preparation method comprises the steps of preparing slurry through slurry mixing equipment, wherein the lithium battery slurry mixing equipment comprises a cylinder body (1), a cylinder body space arranged in the cylinder body (1), and a supporting plate (3) fixedly arranged at the left end of the outer surface of the cylinder body (1), and is characterized by further comprising a stirring device arranged in the cylinder body space, a feeding device arranged at the left side of the stirring device, and a blowing device arranged on the feeding device; the stirring device comprises a first vertical plate (2) fixedly arranged at the right end of the outer surface of the cylinder body (1), two second vertical plates (3) respectively fixedly arranged on the upper side and the lower side of the left end surface of the first vertical plate (2), and a first circular plate (4) fixedly arranged at the left end of the second vertical plates (3); the blowing device comprises an air pump (30) and a funnel (35); placing material particles in a funnel (35), pouring water into a cylinder body (1), starting a stirring device to drive a feeding device to start, so that the material particles are conveyed into the cylinder body (1) from the funnel (35), blowing off residual particles attached to the feeding device and the funnel (35) by using a blowing device in the feeding process, and stirring the water and the material particles in the cylinder body (1) by using the stirring device;

b. coating the slurry;

c. rolling the pole piece;

d. cutting the pole piece;

e. and drying the pole piece.

2. A lithium battery paste mixing apparatus according to claim 1, characterized in that: the slurry coating is to uniformly coat the prepared slurry on the pole piece to form a coating.

3. A lithium battery paste mixing apparatus according to claim 1, characterized in that: the pole piece rolling means that the coated pole piece is placed between a moving roller and a static roller, and slurry is pressed into the pole piece through the rotation of the moving roller and meanwhile the pole piece is pushed to move backwards.

4. A lithium battery paste mixing apparatus according to claim 1, characterized in that: the drying of the pole piece refers to baking the pole piece to be dried in an infrared baking chamber and then baking in a blast baking chamber.

5. A lithium battery paste mixing apparatus according to claim 1, characterized in that: the feeding device comprises a support plate (21) fixedly arranged on the upper surface of the support plate (3), a cylindrical shell (22) fixedly arranged at the upper end of the support plate (21), a shell space (123) arranged in the cylindrical shell (22), a bevel gear space (12) arranged in the bevel gear shell (11), a transmission hole (13) arranged on the left end wall of the bevel gear space (12), and a rotating shaft (14) rotatably arranged in the transmission hole (13), a third bevel gear (23) which is fixedly arranged at the right end of the rotating shaft (14) and is matched with the first bevel gear (9), a spiral shaft (24) which is fixedly arranged at the left end of the rotating shaft (14), a feeding pipe (25) which is communicated with the lower end in the shell space (123), a circular ring shell (26) which is communicated with the lower end of the feeding pipe (25), a circular ring space (27) which is arranged in the circular ring shell (26), and a plurality of small holes (28) which are arranged on the lower end wall of the circular ring space (27);

the third bevel gear (23) is driven to rotate by the first bevel gear wheel (9), and the screw shaft (24) is driven to rotate by the third bevel gear (23), so that the material particles are conveyed from the hopper into the feeding pipe (25) and then enter the cylinder body (1).

6. A lithium battery paste mixing apparatus according to claim 1, characterized in that: the blowing device comprises a base plate (29) fixedly arranged on the upper surface of the supporting plate (3), a rotating space (31) arranged in the screw shaft (24), a plurality of air holes (32) arranged on the inner wall of the rotating space (31), a stainless steel mesh belt (33) arranged on the inner wall of the rotating space (31), a first vent pipe (34) communicated with the right end of the air pump (30), a funnel space arranged in the funnel (35) and provided with an upward opening, a second vent pipe (38) communicated between the first vent pipe (34) and the vent space (36), a sliding door (39) hinged to the left side of the upper end wall of the funnel space, and a handle (40) fixedly arranged on the right side of the upper surface of the sliding door (39);

after the slurry is put into the hopper (35), the sliding door (39) is closed, and air is blown out from the plurality of air holes (32) and the plurality of air outlets (37) through the air pump (30) and blown towards the stainless steel mesh belt (33).

Technical Field

The invention belongs to the field of lithium battery processing, and particularly relates to a lithium battery pole piece processing method.

Background

Lithium batteries have the advantages of small size, high energy, no pollution and the like, and have been increasingly and widely applied to portable electronic products such as mobile phones, digital cameras, notebook computers and the like, but in the traditional lithium battery processing method, the speed of mixing the slurry and water is too slow during slurry preparation, so that the working efficiency is reduced.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the lithium battery slurry mixing equipment which can improve the working efficiency by accelerating the mixing speed of the slurry and water.

In order to achieve the purpose, the invention adopts the following technical scheme: a processing method of a lithium battery pole piece comprises the following steps:

a. preparing slurry: the lithium battery slurry mixing equipment comprises a cylinder body, a cylinder space arranged in the cylinder body, and a supporting plate fixedly arranged at the left end of the outer surface of the cylinder body, and is characterized by also comprising a stirring device arranged in the cylinder space, a feeding device arranged at the left side of the stirring device, and a blowing device arranged on the feeding device; the stirring device comprises a first vertical plate fixedly arranged at the right end of the outer surface of the cylinder body, two second vertical plates fixedly arranged on the upper side and the lower side of the left end surface of the first vertical plate respectively, and a first circular plate fixedly arranged at the left end of the second vertical plate; the blowing device comprises an air pump and a funnel; placing material particles in a funnel, pouring water into a cylinder body, starting a stirring device to drive a feeding device to start, so that the material particles are conveyed into the cylinder body from the funnel, blowing off residual particles attached to the feeding device and the funnel by using a blowing device in the feeding process, and stirring the water and the material particles in the cylinder body by using the stirring device;

b. coating the slurry;

c. rolling the pole piece;

d. cutting the pole piece;

e. and drying the pole piece.

The slurry coating is to uniformly coat the prepared slurry on the pole piece to form a coating.

The pole piece rolling means that the coated pole piece is placed between a moving roller and a static roller, and slurry is pressed into the pole piece through the rotation of the moving roller and meanwhile the pole piece is pushed to move backwards.

The drying of the pole piece refers to baking the pole piece to be dried in an infrared baking chamber and then baking in a blast baking chamber.

The feeding device comprises a support plate fixedly arranged on the upper surface of the support plate, a cylindrical shell fixedly arranged at the upper end of the support plate, a shell space arranged in the cylindrical shell, a bevel gear space arranged in the bevel gear shell, a transmission hole arranged at the left end wall of the bevel gear space, a rotating shaft rotatably arranged in the transmission hole, a third bevel gear fixedly arranged at the right end of the rotating shaft and matched with the first bevel gear, a spiral shaft fixedly arranged at the left end of the rotating shaft, a feeding pipe communicated with the lower end of the shell space, a ring shell communicated with the lower end of the feeding pipe, a ring space arranged in the ring shell, and a plurality of small holes arranged at the lower end wall of the ring space.

The third bevel gear is driven to rotate by the first bevel gear, and the spiral shaft is driven to rotate by the third bevel gear, so that the material particles are conveyed into the feeding pipe from the hopper and then enter the cylinder body.

The blowing device comprises a fixed base plate arranged on the upper surface of the supporting plate, an air pump fixedly arranged on the upper surface of the base plate, a rotating space arranged in the screw shaft, a plurality of air holes formed in the inner wall of the rotating space, a stainless steel mesh belt arranged on the inner wall of the rotating space, a first ventilation pipe arranged at the right end of the air pump, a funnel arranged at the upper end of the inner wall of the shell space, a funnel space arranged in the funnel and with an upward opening, a ventilation space arranged in the inner wall of the funnel space, a sliding door hinged to the left side of the upper end wall of the funnel space, and a handle fixedly arranged on the right side of the upper surface of the sliding.

The slurry is put into the funnel, the sliding door is closed, and air is blown out from the plurality of air holes and the plurality of air outlet holes through the air pump and blown towards the stainless steel mesh belt.

In summary, the invention has the following advantages: the method is simple to implement, and the working efficiency is improved by accelerating the mixing speed of the water and the slurry.

Drawings

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

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional perspective view taken at A-A of FIG. 1;

FIG. 4 is a cross-sectional view A-A of FIG. 1;

fig. 5 is a partially enlarged view of fig. 4 at B.

Detailed Description

As shown in fig. 1-5, a method for processing a lithium battery pole piece includes the following steps:

a. preparing slurry: preparing slurry by using slurry mixing equipment;

b. coating the slurry;

c. rolling the pole piece;

d. cutting the pole piece;

e. and drying the pole piece.

The slurry coating is to uniformly coat the prepared slurry on the pole piece to form a coating.

The pole piece rolling means that the coated pole piece is placed between a moving roller and a static roller, and slurry is pressed into the pole piece through the rotation of the moving roller and meanwhile the pole piece is pushed to move backwards.

The drying of the pole piece refers to baking the pole piece to be dried in an infrared baking chamber and then baking in a blast baking chamber.

The lithium battery slurry mixing equipment comprises a cylinder body 1, a cylinder body space arranged in the cylinder body 1, a supporting plate 3 fixedly arranged at the left end of the outer surface of the cylinder body 1, a stirring device arranged in the cylinder body space, a feeding device arranged on the left side of the stirring device, and a blowing device arranged on the feeding device; the stirring device comprises a first vertical plate 2 fixedly arranged at the right end of the outer surface of the cylinder body 1, two second vertical plates 153 fixedly arranged at the upper side and the lower side of the left end surface of the first vertical plate 2 respectively, a first circular plate 4 fixedly arranged at the left end of the second vertical plate 153, a first sleeve 5 rotatably arranged in the first circular plate 4, a groove arranged at the right end of the inner surface of the first sleeve 5, a circular shaft 7 rotatably arranged in the first sleeve 5, a matching lug 8 fixedly arranged at the outer surface of the circular shaft 7 and matched with the groove, a bevel gear shell 11 fixedly arranged at the upper surface of the lower second vertical plate 153, a first bevel gear 9 fixedly arranged at the upper end of the lower first sleeve 5, a driving part 10 fixedly arranged at the left end surface of the first vertical plate 2, a power shaft 11 arranged at the left end of the driving part 10, and a second bevel gear 12 fixedly arranged at the left end of the power shaft 11 and meshed with the first bevel gear 9, The stirring device comprises a plurality of first stirring rods 13 fixedly arranged on the outer surface of a round shaft 7 in the height direction of the round shaft 7, a rotating cylinder 14 fixedly arranged at the lower end of the round shaft 7, double-thread threads 15 arranged on the outer surface of the rotating cylinder 14, a third vertical plate 16 fixedly arranged at the left end of the inner surface of a cylinder space, a matching block 17 fixedly arranged at the left end of the third vertical plate 16 and matched with the double-thread threads 15, a fourth vertical plate 18 fixedly arranged on the lower surface of the third vertical plate 16, a second circular plate 19 fixedly arranged at the left end of the fourth vertical plate 18, two second stirring rods 20 fixedly arranged at the lower end of the outer surface of the rotating cylinder 14, and every two adjacent first stirring rods at the upper side and the lower side are arranged in a staggered manner; the driving part 10 is started, the driving part 10 drives the power shaft 11 to rotate, the power shaft 11 drives the first bevel gear 9 to rotate, the first bevel gear 9 drives the second bevel gear 12 to rotate, the second bevel gear 12 drives the round shaft 7 to rotate, the round shaft 7 drives the first stirring rods 13 and the second stirring rods 20 to rotate, and the round shaft 7 is driven to move up and down while rotating through the matching of the matching block 17 and the double-thread 15, so that slurry in the cylinder body can be fully mixed with water; through the arrangement of the double-thread 15 and the matching block 17, the first stirring rod 13 and the second stirring rod 20 can generate reciprocating displacement motion in the height direction while stirring, so that the first stirring rod 13 and the second stirring rod 20 can be fully contacted with the space in the cylinder body 1, more slurry can be stirred, and the slurry can be mixed in water as much as possible; through the rotary motion with round axle 7 and the cooperation that reciprocates carry out can just also can't reciprocate when the unable rotary motion of equipment production trouble to can avoid setting up and only carry out rotary motion or the unable disposable thick liquids that carries out intensive mixing of up-and-down motion and carry out the secondary and do over again, thereby avoided the condition production of wasting the electric energy.

The feeding device comprises a support plate 21 fixedly arranged on the upper surface of a support plate 3, a cylindrical shell 22, a shell space 123, a bevel gear space 12, a transmission hole, a rotating shaft 14, a third bevel gear 23, a screw shaft 24, a feeding pipe 25, a circular ring shell 26, a circular ring space 27 and a plurality of small holes 28, wherein the cylindrical shell 22 is fixedly arranged at the upper end of the support plate 21, the shell space 123 is arranged in the cylindrical shell 22, the bevel gear space 12 is arranged in the bevel gear shell 11, the transmission hole is arranged at the left end wall of the bevel gear space 12, the rotating shaft 14 is rotatably arranged in the transmission hole, the third bevel gear 23 is fixedly arranged at the right end of the rotating shaft 14 and matched with a first bevel gear 9, the screw shaft 24 is fixedly arranged at the left end of the rotating shaft 14, the feeding pipe 25 is communicated with the lower end of the shell space 123, and the circular ring shell 26 is, the annular space 27 is arranged in the annular shell 26, and the small holes 28 are arranged on the lower end wall of the annular space 27; the third bevel gear 23 is driven to rotate by the first bevel gear 9, and the spiral shaft 24 is driven to rotate by the third bevel gear 23, so that the material particles are conveyed into the feeding pipe 25 from the hopper and then enter the cylinder body 1; the speed of the stirring device can be better matched with the speed of the material particles entering the cylinder body 1 by controlling the linkage of the spiral shaft 24 and the stirring device, so that the slurry is more fully mixed, and the waste of the slurry caused by too much slurry poured into the cylinder body and incapable of being continuously mixed with water is avoided; the arrangement of the plurality of small holes 28 enables the water mixed with the material particles to uniformly fall around in the cylinder body 1, so that the material particles are mixed more quickly under the stirring effect.

The blowing device comprises a backing plate 29 fixedly arranged on the upper surface of the support plate 3, an air pump 30, a rotating space 31, a plurality of air holes 32, a stainless steel mesh belt 33, a first ventilation pipe 34, a funnel 35, a funnel space, a sliding door 39 and a handle 40, wherein the air pump 30 is fixedly arranged on the upper surface of the backing plate 29, the rotating space 31 is arranged in the screw shaft 24, the plurality of air holes 32 are arranged on the inner wall of the rotating space 31, the stainless steel mesh belt 33 is arranged on the inner wall of the rotating space 31, the first ventilation pipe 34 is arranged on the inner wall of the rotating space 31, the funnel 35 is communicated with the upper end of the inner wall of the shell space 123, the funnel space is arranged in the funnel 35, the opening of the funnel space faces upwards, the sliding door 39 is hinged on the left side of the upper end wall of the funnel space, and; the air pump 30 blows air from the plurality of air holes 32, so that the material particles attached to the stainless steel mesh belt 33 can be blown off, waste caused by the material particles remaining on the outer surfaces of the hopper 35 and the spiral shaft 24 is avoided, and economic loss is reduced; the plurality of air holes 32 are arranged as inclined holes, so that blown air can assist dust of the spiral shaft 24 to move rightwards, and the feeding speed of the equipment can be increased.

A water pump 41 is fixedly arranged at the right end of the outer surface of the cylinder body 1, a first water pipe 42 is communicated between the water pump 41 and the feeding pipe 25, a second water pipe 43 is communicated between the water pump 41 and the lower end of the cylinder body 1, a discharging pipe 44 is communicated with the lower end wall of the cylinder body space, a valve 45 is fixedly arranged at the lower end of the discharging pipe 44, and a connector 46 is communicated with the lower end of the valve 45; can take out the water that is located cylinder body 1 lower extreme to cylinder body 1 upper end through water pump 41 to can make the water that originally is located the lower extreme contact with thick liquids sooner, thereby make thick liquids and water mix sooner, thereby improve work efficiency.

The drive element 10 is not only an electric motor, but also a drive device for rotating the power shaft 11, or a manual drive.

The stainless steel mesh belt 33 does not allow the passage of material particles, but only air.

A spring housing 200 is fixedly arranged on the inner wall of the rotating space 31, a spring space 201 is arranged in the spring housing 200, a wind shield 202 is arranged in the spring space 201, a spring 203 is fixedly arranged between the right end wall of the spring space 201 and the wind shield 202, an air inlet 204 communicated with the rotating space 31 is arranged on the left end wall of the spring space 201, an air outlet 205 communicated with the outside is arranged on the right end wall of the spring space 201, and an air outlet 206 communicated with the outside is arranged on the right end wall of the housing space 123; therefore, when the wind force in the rotating space 31 is too large, the pressing wind deflector 202 moves rightwards under the action of the spring 203, so that the wind is discharged out of the equipment, the wind force in the rotating space 31 is reduced, and the air pump 30 is prevented from being damaged because the gas cannot be discharged out of the rotating space 31.

The working principle is as follows: placing material particles in a funnel 35, pouring water into a cylinder body 1, starting a stirring device to drive a feeding device to start, so as to convey the material particles into the cylinder body 1 from the funnel 35, blowing off residual particles attached to the feeding device and the funnel 35 by using a blowing device in the feeding process, stirring the water and the material particles in the cylinder body 1 by using the stirring device, starting a driving part 10, driving the driving part 10 to drive a power shaft 11 to rotate, the power shaft 11 to drive a first bevel gear 9 to rotate, the first bevel gear 9 to drive a second bevel gear 12 to rotate, the second bevel gear 12 to drive a circular shaft 7 to rotate, the circular shaft 7 to drive a plurality of first stirring rods 13 and two second stirring rods 20 to rotate, driving the circular shaft 7 to move up and down while rotating by matching of a matching block 17 and a double-thread 15, so as to fully mix the slurry in the cylinder body with the water, drive third bevel gear 23 rotation through first bevel gear theory 9, third bevel gear 23 drives the screw axis 24 rotation, thereby transport the conveying pipe 25 to the material granule from the funnel in, then get into in the cylinder body 1, blow out wind from a plurality of bleeder vents 32 and a plurality of ventholes 37 through air pump 30, can blow off attached to the material granule on stainless steel guipure 33 and the second stainless steel guipure 101, can take out the water that is located the 1 lower extreme of cylinder body to the 1 upper end of cylinder body through water pump 41, thereby can make the water that originally is located the lower extreme contact with thick liquids more fast, thereby make thick liquids and water mix more fast.