阅读说明：本技术 一种锂电池用复合负极材料制备装置及其制备方法 (preparation device and preparation method of composite negative electrode material for lithium battery ) 是由 王志辉 于 2019-09-23 设计创作，主要内容包括：本发明公开了一种锂电池用复合负极材料制备装置,包括底板,所述底板底面四角均固有支撑杆,底板下方支撑板一端顶面设有转动电机,转动电机前方设有旋转轴,所述底板一侧设有配电箱,所述配电箱顶面设有控制面板,底板顶面中部设有搅拌桶,所述搅拌桶两侧壁均设有计量瓶,搅拌桶顶端设有盖板,所述盖板顶面设有搅拌电机,所述底板一端顶面上方设有支撑螺杆,支撑螺杆外侧壁螺旋连接有支撑螺管,所述支撑螺管顶端转动连接有固定杆,所述固定杆另一端底面固接有电动伸缩杆,所述电动伸缩杆活动端与盖板连接。本发明还公开了一种锂电池用复合负极材料制备装置的制备方法。在本发明中提高了原材料的利用率,提高了搅拌混合效率,避免材料浪费。(The invention discloses a preparation device of a composite negative electrode material for a lithium battery, which comprises a bottom plate, wherein support rods are fixed at four corners of the bottom surface of the bottom plate, a rotating motor is arranged on the top surface of one end of a support plate below the bottom plate, a rotating shaft is arranged in front of the rotating motor, a distribution box is arranged on one side of the bottom plate, a control panel is arranged on the top surface of the distribution box, a stirring barrel is arranged in the middle of the top surface of the bottom plate, metering bottles are arranged on two side walls of the stirring barrel, a cover plate is arranged at the top end of the stirring barrel, a stirring motor is arranged on the top surface of the cover plate, a support screw rod is arranged above the top surface of one end of the bottom plate, the outer side. The invention also discloses a preparation method of the preparation device of the composite negative electrode material for the lithium battery. According to the invention, the utilization rate of raw materials is improved, the stirring and mixing efficiency is improved, and the material waste is avoided.)

1. the utility model provides a lithium cell is with compound anode material preparation facilities, includes bottom plate (1), its characterized in that: the bottom plate (1) is rectangular, the support rods (11) are rectangular and fixed at the four corners of the bottom surface of the bottom plate (1), a support plate (12) is arranged below the bottom surface of the bottom plate (1), two ends of one side surface of the support plate (12) are fixedly connected with one side surface of the corresponding support rod (11), a rotating motor (13) is arranged at the top surface of one end of the support plate (12), a first gear (14) with a cone shape is arranged at the top end of a motor shaft of the rotating motor (13), a rotating shaft (2) is arranged in front of the rotating motor (13), the top end of the rotating shaft (2) is rotatably connected with the bottom surface of the bottom plate (1), the bottom end of the rotating shaft (2) is rotatably connected with the top surface of the support plate (12), a second gear (21) with a cone shape is arranged at the lower end of the rotating shaft (2), the first gear (14, the automatic feeding device is characterized in that a distribution box (5) is arranged on one side of the bottom plate (1), a control panel (6) is arranged on the top surface of the distribution box (5), a round hole is formed in the middle of the top surface of the bottom plate (1), a conical stirring barrel (2) is arranged in the round hole, a discharge hole is formed in the bottom surface of the stirring barrel (3), a first switch valve (35) is arranged on the outer side of the discharge hole, a round fourth gear (34) is fixedly connected to the outer side wall of the lower end of the stirring barrel (3), the fourth gear (34) is meshed with a third gear (22), metering bottles (32) are arranged on the two side walls of the stirring barrel (2), a round cover plate (31) is arranged at the top end of the stirring barrel (3), a stirring motor (33) is arranged on the top surface of the cover plate (31), a motor shaft of the stirring motor, support screw rod (4) bottom rigid coupling has columniform fixed block, fixed block bottom surface and bottom plate (1) top surface rigid coupling, support screw rod (4) lateral wall spiral connection has columniform support solenoid (41), support solenoid (41) top and rotate and be connected with dead lever (42) of rectangle form, dead lever (42) other end bottom surface rigid coupling has electric telescopic handle (43), electric telescopic handle (43) expansion end is connected with apron (31).

2. The apparatus for preparing a composite anode material for a lithium battery according to claim 1, wherein: the bottom plate (1) corresponds one end bottom surface and backup pad (12) and corresponds the equal rigid coupling of one end top surface columniform lug, all is equipped with rolling bearing in every lug, rotation axis (2) both ends all with correspond rolling bearing inner ring rigid coupling.

3. The apparatus for preparing a composite anode material for a lithium battery according to claim 1, wherein: the stirring device is characterized in that an annular fixing groove is formed in the side wall of the circular hole in the top surface of the bottom plate (1), a fixing bearing (15) is arranged in the fixing groove, and the outer side wall of the stirring barrel (3) is fixedly connected with the surface of the inner ring of the fixing bearing (15).

4. The apparatus for preparing a composite anode material for a lithium battery according to claim 1, wherein: metering bottle (32) are the toper, metering bottle (32) top surface is uncovered, metering bottle (32) top surface is equipped with the circular shape guard plate, the fixed block that axis of rotation and metering bottle (32) one side rectangle form are passed through to guard plate one end is connected, the guard plate other end is connected with metering bottle (32) through the round pin axle, metering bottle (32) surface is equipped with the scale, metering bottle (32) bottom is through circular shape connecting pipe and agitator (3) through connection, the connecting pipe upper end is equipped with second ooff valve (39), metering bottle (32) material is clear glass.

5. The apparatus for preparing a composite anode material for a lithium battery according to claim 1, wherein: the utility model discloses a motor, including apron (31), second motor (33), electric telescopic handle (43), apron (31) top surface, apron (31) bottom surface below is equipped with (mixing) shaft (36), the motor shaft rigid coupling of (mixing) shaft (36) top and second motor (33), the vertical interval distribution in (mixing) shaft (36) lower extreme surface both sides has stirring leaf (38), the (mixing) shaft (36) upper end lateral wall is equipped with circular shape screen cloth (37).

6. The apparatus for preparing a composite anode material for a lithium battery according to claim 5, wherein: the side face of the screen (37) is fixedly connected with a limiting ring, the middle of the top face of the screen (37) is provided with a cylindrical fixing column, a rotating bearing is arranged in the fixing column, and the outer side wall of the upper end of the stirring shaft (36) is fixedly connected with an inner ring of the rotating bearing.

7. The method for manufacturing a composite anode material for a lithium battery as claimed in any one of claims 1 to 6, comprising the steps of:

S1, connecting a power switch in the distribution box (5) with a power supply and turning on the power switch;

S2, pulling out the pin shaft, rotating the protection plate, adding graphite powder into the metering bottle (32), determining the using amount of the graphite powder, then opening the second switch valve 39, enabling the graphite powder to enter the stirring barrel (3), closing the second switch valve (39), then sequentially adding a conductive agent and a bonding agent into the metering bottle (37), determining the using amount, opening the second switch valve (39), enabling the conductive agent and the bonding agent to enter the stirring barrel (3), closing the second switch valve (39), and then rotating the protection plate and fixing the protection plate through the pin shaft;

s4, controlling the rotating motor (13) to rotate forwards and controlling the stirring motor (33) to rotate backwards;

s5, uniformly stirring, opening a first switch valve (35) and discharging the mixed composite material;

S6, controlling the rotating motor (13) and the stirring motor (33) to stop rotating;

s7, controlling the electric telescopic rod (43) to retract, cleaning the mixing drum (3) and the screen (37), controlling the electric telescopic rod (43) to extend after cleaning is finished, and moving the cover plate (31) downwards;

And S8, turning off the power supply.

Technical Field

The invention relates to the field of lithium batteries, in particular to a device and a method for preparing a composite negative electrode material for a lithium battery.

background

Batteries are batteries using lithium metal or lithium alloy as a negative electrode material and using a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment due to the very active chemical characteristics of the lithium metal, so that the lithium batteries can be roughly divided into two types: the lithium ion battery does not contain metallic lithium and can be charged, and the fifth generation product of the rechargeable battery, namely the lithium metal battery, has better safety, specific capacity, self-discharge rate and cost performance than the lithium ion battery.

the lithium cell need mix its cathode material in the production and processing process, but traditional compounding device simple structure can not carry out the intensive mixing to the inside lithium cell cathode material of compounding device, causes work efficiency lower, and can not filter raw and other materials, leads to impurity to influence the purity of raw and other materials, causes the material extravagant.

disclosure of Invention

The invention aims to solve the defects in the prior art and provides a preparation device of a composite negative electrode material for a lithium battery.

in order to achieve the purpose, the invention adopts the following technical scheme:

a composite negative electrode material preparation device for a lithium battery comprises a bottom plate, wherein the bottom plate is rectangular, the four corners of the bottom surface of the bottom plate are fixedly provided with rectangular support rods, a support plate is arranged below the bottom surface of the bottom plate, two ends of one side surface of the support plate are fixedly connected with one side surface of the corresponding support rod, a rotating motor is arranged on the top surface of one end of the support plate, a tapered first gear is arranged at the top end of a motor shaft of the rotating motor, a rotating shaft is arranged in front of the rotating motor, the top end of the rotating shaft is rotatably connected with the bottom surface of the bottom plate, the bottom end of the rotating shaft is rotatably connected with the top surface of the support plate, a tapered second gear is arranged at the lower end of the rotating shaft, the first gear is meshed with the second gear, a round third gear, a conical stirring barrel is arranged in the round hole, a discharge hole is arranged at the bottom surface of the stirring barrel, a first switch valve is arranged outside the discharge hole, the outer side wall of the lower end of the stirring barrel is fixedly connected with a round fourth gear which is meshed with the third gear, the two side walls of the stirring barrel are provided with measuring bottles, the top end of the stirring barrel is provided with a circular cover plate, the top surface of the cover plate is provided with a stirring motor, a motor shaft of the stirring motor is positioned in the stirring barrel, a supporting screw rod is arranged above the top surface of one end of the bottom plate, the bottom end of the supporting screw is fixedly connected with a cylindrical fixed block, the bottom surface of the fixed block is fixedly connected with the top surface of the bottom plate, the outer side wall of the supporting screw rod is spirally connected with a cylindrical supporting solenoid, the top end of the supporting solenoid is rotationally connected with a rectangular fixed rod, the bottom surface of the other end of the fixed rod is fixedly connected with an electric telescopic rod, and the movable end of the electric telescopic rod is connected with the cover plate.

Preferably, the bottom plate corresponds one end bottom surface and the backup pad corresponds one end top surface and all the rigid coupling columniform lug, all is equipped with rolling bearing in every lug, the rotation axis both ends all with correspond the rolling bearing inner ring rigid coupling.

preferably, an annular fixing groove is formed in the side wall of the circular hole in the top surface of the bottom plate, a fixing bearing is arranged in the fixing groove, and the outer side wall of the stirring barrel is fixedly connected with the surface of an inner ring of the fixing bearing.

preferably, the measuring flask is the toper, the measuring flask top surface is uncovered, the measuring flask top surface is equipped with the circular shape guard plate, guard plate one end is passed through the axis of rotation and is connected with the measuring flask, the guard plate other end is connected with the measuring flask through the round pin axle, the measuring flask surface is equipped with the scale, circular shape connecting pipe and agitator through connection are passed through to the measuring flask bottom, the connecting pipe upper end is equipped with the second ooff valve, the measuring flask material is clear glass.

Preferably, the cover plate top surface is provided with a rectangular protective frame, the second motor is fixedly connected with two side plates of the protective frame, the movable end of the electric telescopic rod is fixedly connected with the protective frame top surface, a stirring shaft is arranged below the cover plate bottom surface, the top end of the stirring shaft is fixedly connected with a motor shaft of the second motor, stirring blades are distributed on two sides of the outer surface of the lower end of the stirring shaft at intervals in the longitudinal direction, and the outer side wall of the upper end of the stirring shaft is provided with a circular.

preferably, the side face of the screen is fixedly connected with a limiting ring, the middle of the top face of the screen is provided with a cylindrical fixing column, a rotating bearing is arranged in the fixing column, and the outer side wall of the upper end of the stirring shaft is fixedly connected with an inner ring of the rotating bearing.

the invention also provides a preparation method of the device for preparing the composite negative electrode material for the lithium battery, which comprises the following steps:

S1, connecting a power switch in the distribution box 5 with a power supply and turning on the power switch;

S2, pulling out the pin shaft, rotating the protection plate, adding graphite powder into the metering bottle, determining the using amount of the graphite powder, then opening a second switch valve, enabling the graphite powder to enter the stirring barrel, closing the second switch valve, then sequentially adding a conductive agent and a binder into the metering bottle, determining the using amount, opening the second switch valve, enabling the conductive agent and the binder to enter the stirring barrel, closing the second switch valve, then rotating the protection plate and fixing the protection plate through the pin shaft;

s4, controlling the rotating motor to rotate forwards and controlling the stirring motor to rotate backwards;

s5, uniformly stirring, opening a first switch valve, and discharging the mixed composite material;

S6, controlling the rotating motor and the stirring motor to stop rotating;

S7, controlling the electric telescopic rod to retract, cleaning the stirring cylinder and the screen, and controlling the electric telescopic rod to extend and the cover plate to move downwards after the cleaning is finished;

And S8, turning off the power supply.

Compared with the prior art, the invention has the beneficial effects that:

1. through the matching among the electric telescopic rod, the cover plate, the stirring shaft and the screen, impurities can be prevented from falling into the stirring barrel, the screen can screen out larger particles and impurities in the raw materials, the electric telescopic rod pulls the screen out of the stirring barrel, and then large-particle raw materials in the screen are cleaned and reused, so that the utilization rate of the raw materials is improved, the loss is reduced, and the influence of the impurities on the purity of the raw materials is avoided;

2. By arranging the positive and negative rotation matching of the first motor and the second motor, raw materials can be stirred and mixed more fully, so that the composite material is mixed more uniformly and fully, and the improvement of the working efficiency is facilitated;

3. the dosage of the composite material can be controlled by the metering bottle, so that the phenomenon that the stirred and mixed material cannot be used and the material is wasted due to excessive added material is avoided;

In conclusion, the utilization rate of raw materials is improved, the stirring and mixing efficiency is improved, and the material waste is avoided.

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 sectional view of a mixing tank of a device for preparing a composite anode material for a lithium battery according to the present invention;

FIG. 2 is a front view of an apparatus for preparing a composite anode material for a lithium battery according to the present invention;

FIG. 3 is a right side view of an apparatus for preparing a composite anode material for a lithium battery according to the present invention;

FIG. 4 is a structural diagram of a metering bottle of the device for preparing the composite negative electrode material for the lithium battery, which is provided by the invention;

FIG. 5 is an enlarged view of a portion A in FIG. 1 of an apparatus for manufacturing a composite anode material for a lithium battery according to the present invention;

FIG. 6 is a flow chart of a method for preparing a composite anode material for a lithium battery according to the present invention;

number in the figure: the stirring device comprises a bottom plate 1, a support rod 11, a support plate 12, a rotating motor 13, a first gear 14, a rotating shaft 2, a second gear 21, a third gear 22, a stirring barrel 3, a cover plate 31, a metering bottle 32, a stirring motor 33, a fourth gear 34, a first switch valve 35, a stirring shaft 36, a screen 37, a stirring blade 38, a second switch valve 39, a support screw rod 4, a support solenoid 41, a fixing rod 42, an electric telescopic rod 43, a distribution box 5 and a control panel 6.

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.