Lithium ion battery negative electrode material coating device

Abstract

The invention discloses a lithium ion battery negative electrode material coating device, which belongs to the technical field of lithium battery processing, and comprises a supporting bottom plate, a sealing tank is arranged on the upper surface of the supporting bottom plate, and a plurality of discharge pipes are arranged at the bottom of the side surface of the sealing tank; a coating mechanism for supplying and pressurizing the sealing tank is arranged above the supporting bottom plate; the coating mechanism comprises a stirring assembly used for stirring and dispersing materials in the sealing tank and a material dispersing assembly used for being matched with the stirring assembly to achieve the intermittent pressurizing effect on the sealing tank and achieving the spraying effect on the materials. The material dispersing assembly is arranged at the top of the stirring assembly. Through the mutual cooperation of multiple structures, the asphalt material is sprayed and fed, the asphalt material is fully dispersed through spraying, the sealing tank is intermittently pressurized in the feeding process, and the asphalt material is fully adsorbed by the graphite material through the pores of the graphite material through pressurization.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of lithium battery processing, and particularly relates to a lithium ion battery negative material coating device. BACKGROUND

[0002] A lithium ion battery is a kind of rechargeable battery, which mainly relies on the movement of lithium ions between the positive electrode and the negative electrode to work. In the charging and discharging process, lithium ions are embedded and de-embedded between the two electrodes. In the production and processing process of the lithium ion battery, a corresponding coating device is used to process the negative material of the battery, so as to coat the pitch material on the graphite negative material to improve the electrochemical performance.

[0003] The traditional coating device comprises a heating furnace, an electric control box, a stirring tank, a sealing cover, a feeding pipe, a feeding valve, a motor, a stirring main shaft, an exhaust pipe, a spiral stirring plate, an electric heating wire and an exhaust valve. The coating device has the advantages that the raw materials in the stirring tank can be stirred.

[0004] However, the traditional coating device can only simply stir the raw materials through the rotation of the stirring structure during use, so that the graphite negative material cannot fully adsorb the pitch material by using its unique pores, and the coating effect of the coating device on the materials is not ideal, which needs to be improved. SUMMARY

[0005] The purpose of the present application is to provide a lithium ion battery negative material coating device to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a lithium ion battery negative material coating device, comprising a supporting bottom plate, a sealing tank is arranged on the upper surface of the supporting bottom plate, a plurality of discharge pipes are arranged at the bottom of the side surface of the sealing tank, a coating mechanism for feeding and pressurizing the sealing tank is arranged above the supporting bottom plate, the coating mechanism comprises a stirring assembly for stirring and dispersing the materials in the sealing tank, a scattering assembly for cooperating with the stirring assembly to intermittently pressurize the sealing tank and for spraying the materials, and the scattering assembly is arranged on the top of the stirring assembly.

[0007] As a further scheme of the present application: the stirring assembly comprises a sealing cover plate, the sealing cover plate is sealingly and fixedly connected with the sealing tank, a double-shaft driver is fixedly connected to the middle of the upper surface of the sealing cover plate, a rotatable transmission rod is fixedly connected to the bottom output end of the double-shaft driver, a plurality of stirring pieces are arranged at intervals on the rotatable transmission rod, the stirring pieces are fixedly connected with the rotatable transmission rod, and a sealing discharge pipe is arranged on one side of the double-shaft driver.

[0008] As a further further scheme of the present application: the lower part of the sealing cover plate is provided with a bulk material pipe, the inside of the bulk material pipe is provided with a plurality of rotatable bulk material plates for driving and dispersing the material, a plurality of rotatable bulk material plates are arranged in an annular array on the inner wall of the bulk material pipe, one end of the rotatable bulk material plate is fixedly connected with the bulk material pipe, and the other end of the rotatable bulk material plate is fixedly connected with the rotatable transmission rod.

[0009] As a further further scheme of the present application: the other side of the double-shaft driver is provided with a mounting hole corresponding to the bulk material assembly, and the top output end of the double-shaft driver is provided with a first transmission bevel gear fixedly connected with the double-shaft driver.

[0010] As a further further scheme of the present application: the bulk material assembly comprises a first limiting installation plate fixedly connected with the sealing cover plate, a second transmission bevel gear meshingly connected with the first transmission bevel gear is rotatably connected to one side of the first limiting installation plate facing the double-shaft driver, a limiting transmission disc synchronously rotating with the second transmission bevel gear is arranged on the other side of the first limiting installation plate, a pressure increasing feeder for feeding and pressurizing the sealing tank is arranged on the side of the first limiting installation plate away from the double-shaft driver, a limiting transmission frame for fixing the pressure increasing feeder is arranged on the side of the limiting transmission disc away from the first limiting installation plate, and a first limiting transmission rod for driving the limiting transmission frame to move vertically and reciprocally is fixedly connected to the side of the limiting transmission disc.

[0011] As a further further scheme of the present application: a second limiting installation plate is fixedly connected to the top of the first limiting installation plate, a piston material extraction member is fixedly connected to one end of the second limiting installation plate away from the first limiting installation plate, the movable end of the piston material extraction member is fixedly connected with the limiting transmission frame, a single-way feeding pipe is arranged on the top of the piston material extraction member, and a single-way discharging pipe for intermittently feeding the pressure increasing feeder is also arranged on the top of the piston material extraction member.

[0012] As a further further scheme of the present application: the pressure increasing feeder comprises a limiting material conveying cover, a limiting material conveying pipe is fixedly connected to the bottom of the limiting material conveying cover, a limiting sealing disc for sealing the bottom opening end of the limiting material conveying pipe is arranged below the limiting material conveying cover, the limiting sealing disc is fixedly connected with the limiting material conveying pipe, a plurality of discharging holes are arranged on one end of the limiting material conveying pipe close to the limiting sealing disc, and an adjustable pressure increasing plug is sealingly and slidably connected to the bottom of the limiting material conveying cover, the upper surface of the adjustable pressure increasing plug is provided with a second limiting transmission rod corresponding to the limiting transmission frame.

[0013] As a further further scheme of the present application: the limiting material conveying cover is in sealing sliding connection with the limiting material conveying pipe, the bottom of the second limiting transmission rod is fixedly connected with the adjustable pressure boosting plug, the top of the second limiting transmission rod is fixedly connected with the limiting transmission frame, a plurality of discharge holes are arranged in an annular array at the bottom of the limiting material conveying pipe, and the limiting sealing disc is located above the bulk material pipe.

[0014] As a further further scheme of the present application: the upper surface of the supporting bottom plate is provided with a plurality of protective side plates for preventing the sealing tank from being impacted, the protective side plates are fixedly connected with the supporting bottom plate, the side surface of the protective side plate is provided with a plurality of warning members for displaying warning information, and the plurality of warning members are arranged at the bottom of the side surface of the protective side plate.

[0015] As a further further scheme of the present application: the lower surface of the supporting bottom plate is provided with a plurality of elastic protective plates for preventing the supporting bottom plate from slipping and reinforcing and damping, the plurality of elastic protective plates are arranged at both ends of the lower surface of the supporting bottom plate, and the elastic protective plates are fixedly connected with the supporting bottom plate.

[0016] Compared with the prior art, the present application has the advantages that: the present application has a simple structure and is convenient to use. When in use, the asphalt material is sprayed and fed through the mutual cooperation of multiple structures. The asphalt material is fully dispersed through spraying, and the sealing tank is intermittently pressurized during the feeding process. The graphite material fully absorbs the asphalt material through its own pores through pressurization, thereby fully coating the battery negative material. The coating device has better coating effect on the material. In addition, the present application has anti-skid, anti-collision and warning functions, and the functions of the coating device are more abundant. Therefore, the present application is worth promoting and using. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the lithium ion battery negative material coating device.

[0018] Figure 2 It is a structural schematic view of the coating mechanism in the lithium ion battery negative material coating device.

[0019] Figure 3 It is a structural schematic view of the stirring assembly in the lithium ion battery negative material coating device.

[0020] Figure 4 It is a structural schematic view of the bulk material pipe in the lithium ion battery negative material coating device.

[0021] Figure 5 It is a structural schematic view of the bulk material assembly in the lithium ion battery negative material coating device.

[0022] Figure 6 It is an exploded view of the pressure boosting feeder in the lithium ion battery negative material coating device.

[0023] In the figure: 1-sealing tank, 2-coating mechanism, 3-protection side plate, 4-warning part, 5-elastic protection plate, 6-supporting bottom plate, 7-discharge pipe, 21-stirring assembly, 22-dispersion assembly, 210-rotatable transmission rod, 211-stirring part, 212-dispersion pipe, 213-sealing cover plate, 214-sealing discharge pipe, 215-first transmission bevel gear, 216-double-shaft driver, 217-mounting hole, 218-rotatable dispersion plate, 220-limiting transmission disc, 221-second transmission bevel gear, 222-first limiting mounting plate, 223-second limiting mounting plate, 224-single-pass feeding pipe, 225-piston pumping part, 226-limiting transmission frame, 227-first limiting transmission rod, 228-single-pass discharge pipe, 229-pressurized feeder, 230-limiting sealing disc, 231-limiting feeding pipe, 232-limiting feeding cover, 233-adjustable pressurizing plug, 234-second limiting transmission rod, 235-discharge hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0025] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms “mounting”, “connection”, “connecting”, “setting” should be understood in a broad sense, for example, can be fixedly connected, set, or detachably connected, set, or integrally connected, set.

[0026] For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0027] Please refer to Figures 1-6 The embodiment provides a kind of lithium ion battery negative electrode material coating device, including supporting bottom plate 6, the upper surface of supporting bottom plate 6 is provided with sealing tank 1, sealing tank 1 is fixedly connected with supporting bottom plate 6, the side bottom of sealing tank 1 is provided with a plurality of discharge pipes 7, sealing plug is integrated on discharge pipe 7, the upper of supporting bottom plate 6 is provided with coating mechanism 2 for the feeding and pressurization of sealing tank 1, coating mechanism 2 includes the stirring assembly 21 for the material in sealing tank 1 is played stirring and dispersion effect, the dispersion assembly 22 for cooperating stirring assembly 21 is played intermittent pressurization effect to sealing tank 1 and is played the effect of injection to material, dispersion assembly 22 is set in the top of stirring assembly 21.

[0028] Please refer to Figure 1 , Figure 2 and Figure 3 , in order to make the use of stirring assembly 21 more reliable, in the embodiment, preferably, the stirring assembly 21 comprises a sealing cover plate 213, the sealing cover plate 213 is sealingly connected with the sealing tank 1, the upper surface of the sealing cover plate 213 is fixedly connected with a double shaft driver 216, the double shaft driver 216 is a double shaft motor, the bottom output end of the double shaft driver 216 is fixedly connected with a rotatable transmission rod 210, a plurality of stirring pieces 211 are arranged on the rotatable transmission rod 210 at intervals, the stirring pieces 211 are steel plates, the stirring pieces 211 are fixedly connected with the rotatable transmission rod 210, one side of the double shaft driver 216 is provided with a sealing discharge pipe 214, the top of the sealing discharge pipe 214 is integrated with a sealing plug connected by screw threads.

[0029] Please refer to Figure 3 , in order to make the function of stirring assembly 21 more abundant, in the embodiment, preferably, the lower side of the sealing cover plate 213 is provided with a scattering pipe 212, a plurality of rotatable scattering plates 218 for driving and dispersing the material are arranged in the interior of the scattering pipe 212, the rotatable scattering plates 218 are steel plates, the plurality of rotatable scattering plates 218 are arranged in an annular array on the inner wall of the scattering pipe 212, one end of the rotatable scattering plate 218 is fixedly connected with the scattering pipe 212, the other end of the rotatable scattering plate 218 is fixedly connected with the rotatable transmission rod 210, the other side of the double shaft driver 216 is provided with a mounting hole 217 corresponding to the scattering assembly 22, the top output end of the double shaft driver 216 is provided with a first transmission bevel gear 215, the first transmission bevel gear 215 is fixedly connected with the double shaft driver 216.

[0030] In another embodiment, the stirring assembly 21 comprises a sealing cover plate 213, which is sealingly and fixedly connected with the sealing tank 1, the middle of the upper surface of the sealing cover plate 213 is fixedly connected with a double-shaft driver 216, the double-shaft driver 216 is a double-shaft pneumatic motor, the bottom output end of the double-shaft driver 216 is fixedly connected with a rotatable transmission rod 210, a plurality of stirring pieces 211 are arranged at intervals on the rotatable transmission rod 210, the stirring pieces 211 are iron rods, the stirring pieces 211 are fixedly connected with the rotatable transmission rod 210, one side of the double-shaft driver 216 is provided with a sealing discharge pipe 214, the top of the sealing discharge pipe 214 is integrated with a sealing plug connected by screw threads, the lower side of the sealing cover plate 213 is provided with a scattering pipe 212, a plurality of rotatable scattering plates 218 for driving and dispersing the material are arranged in the interior of the scattering pipe 212, the rotatable scattering plates 218 are iron plates, the plurality of rotatable scattering plates 218 are arranged in an annular array on the inner wall of the scattering pipe 212, one end of the rotatable scattering plates 218 is fixedly connected with the scattering pipe 212, the other end of the rotatable scattering plates 218 is fixedly connected with the rotatable transmission rod 210, the other side of the double-shaft driver 216 is provided with a mounting hole 217 corresponding to the scattering assembly 22, the top output end of the double-shaft driver 216 is provided with a first transmission bevel gear 215, the first transmission bevel gear 215 is fixedly connected with the double-shaft driver 216.

[0031] Please refer to Figure 2 , Figure 5 and Figure 6 In one embodiment, in order to make the use of the scattering assembly 22 more reliable, preferably, the scattering assembly 22 comprises a first limiting installation plate 222, which is fixedly connected with the sealing cover plate 213, one side of the first limiting installation plate 222 facing the double-shaft driver 216 is rotatably connected with a second transmission bevel gear 221 meshingly connected with the first transmission bevel gear 215, the other side of the first limiting installation plate 222 is provided with a limiting transmission disc 220 rotating synchronously with the second transmission bevel gear 221, the limiting transmission disc 220 and the second transmission bevel gear 221 are in transmission through an iron rod, one end of the iron rod is fixedly connected with the second transmission bevel gear 221, the other end of the iron rod is fixedly connected with the limiting transmission disc 220, the iron rod is rotatably connected with the first limiting installation plate 222, the side of the first limiting installation plate 222 away from the double-shaft driver 216 is provided with a pressure boosting feeder 229 for feeding and pressurizing the sealing tank 1, the side of the limiting transmission disc 220 away from the first limiting installation plate 222 is provided with a limiting transmission frame 226 for fixing the pressure boosting feeder 229, the side surface of the limiting transmission disc 220 is fixedly connected with a first limiting transmission rod 227 for driving the limiting transmission frame 226 to move vertically and reciprocally.

[0032] Please refer to Figure 5 andFigure 6 In one embodiment, in order to make the function of the bulk material assembly 22 more abundant, in this embodiment, preferably, the top of the first limiting installation plate 222 is fixedly connected with a second limiting installation plate 223, one end of the second limiting installation plate 223 away from the first limiting installation plate 222 is fixedly connected with a piston material extraction piece 225, the piston material extraction piece 225 is composed of a cylinder body and a piston rod (its structure is similar to a needle tube), the movable end of the piston material extraction piece 225 is fixedly connected with the limiting transmission frame 226, the top of the piston material extraction piece 225 is provided with a single-way feeding pipe 224, and the top of the piston material extraction piece 225 is also provided with a single-way discharging pipe 228 for playing an intermittent feeding role on the pressurized feeder 229.

[0033] Please refer to Figure 5 and Figure 6 In one embodiment, in order to make the use of the pressurized feeder 229 more reliable, in this embodiment, preferably, the pressurized feeder 229 comprises a limiting material conveying cover 232, the bottom of the limiting material conveying cover 232 is fixedly connected with a limiting material conveying pipe 231, the lower portion of the limiting material conveying cover 232 is provided with a limiting sealing disc 230 for playing a sealing role on the bottom opening end of the limiting material conveying pipe 231, the limiting sealing disc 230 is fixedly connected with the limiting material conveying pipe 231, the end of the limiting material conveying pipe 231 close to the limiting sealing disc 230 is provided with a plurality of discharging holes 235, the bottom of the limiting material conveying cover 232 is sealingly and slidably connected with an adjustable pressurizing plug 233, the upper surface of the adjustable pressurizing plug 233 is provided with a second limiting transmission rod 234 corresponding to the limiting transmission frame 226, the limiting material conveying cover 232 is sealingly and slidably connected with the limiting material conveying pipe 231, the bottom of the adjustable pressurizing plug 233 is fixedly connected with the second limiting transmission rod 234, the top of the second limiting transmission rod 234 is fixedly connected with the limiting transmission frame 226, the plurality of discharging holes 235 are arranged in an annular array at the bottom of the limiting material conveying pipe 231, the limiting sealing disc 230 is located above the bulk material pipe 212, the limiting material conveying cover 232 is a horn shape with a small bottom and a large top, the inner diameter of the bottom of the limiting material conveying cover 232 is the same as the inner diameter of the limiting material conveying pipe 231, and the inner diameter of the top of the limiting material conveying cover 232 is larger than the inner diameter of the limiting material conveying pipe 231 (as shown in the attached drawings). Figure 5 As shown in the state, there is a certain gap between the limiting material conveying cover 232 and the adjustable pressurizing plug 233, so that the asphalt liquid can be normally discharged through the adjustable pressurizing plug 233.

[0034] In another embodiment, in order to make the use of the bulk material assembly 22 more reliable, preferably, the bulk material assembly 22 comprises a first limiting mounting plate 222, the first limiting mounting plate 222 is fixedly connected with the sealing cover plate 213, one side of the first limiting mounting plate 222 is rotatably connected with a second transmission bevel gear 221 meshed with the first transmission bevel gear 215, the other side of the first limiting mounting plate 222 is provided with a limiting transmission disc 220 rotating synchronously with the second transmission bevel gear 221, the limiting transmission disc 220 and the second transmission bevel gear 221 are in transmission through a steel pipe, one end of the steel pipe is fixedly connected with the second transmission bevel gear 221, the other end of the steel pipe is fixedly connected with the limiting transmission disc 220, the steel pipe is rotatably connected with the first limiting mounting plate 222, the side of the first limiting mounting plate 222 away from the double-shaft driver 216 is provided with a pressure feeding device 229 for feeding and pressurizing the sealing tank 1, the side of the limiting transmission disc 220 away from the first limiting mounting plate 222 is provided with a limiting transmission frame 226 for fixing the pressure feeding device 229, the side of the limiting transmission disc 220 is fixedly connected with a first limiting transmission rod 227 for driving the limiting transmission frame 226 to move vertically and reciprocally.

[0035] In another embodiment, in order to make the function of the bulk material assembly 22 more abundant, preferably, the top of the first limiting mounting plate 222 is fixedly connected with a second limiting mounting plate 223, the second limiting mounting plate 223 is provided with a material pump for feeding the pressure feeding device 229, the pressure feeding device 229 comprises a limiting material conveying cover 232, the bottom of the limiting material conveying cover 232 is fixedly connected with a steel cylinder, the bottom of the steel cylinder is provided with a plurality of annular material spraying through-holes, the plurality of material spraying through-holes are arranged in an annular array on the bottom of the steel cylinder, the bottom of the limiting material conveying cover 232 is sealingly and slidably connected with an adjustable pressure plug 233, the upper surface of the adjustable pressure plug 233 is provided with a second limiting transmission rod 234 corresponding to the limiting transmission frame 226, the limiting material conveying cover 232 is sealingly and slidably connected with a limiting material conveying pipe 231, the bottom of the second limiting transmission rod 234 is fixedly connected with the adjustable pressure plug 233, the top of the second limiting transmission rod 234 is fixedly connected with the limiting transmission frame 226, a plurality of material discharging holes 235 are arranged in an annular array on the bottom of the limiting material conveying pipe 231, and the limiting sealing disc 230 is located above the bulk material pipe 212.

[0036] Please refer to Figure 1In order to make the function of the coating device more abundant, preferably, the upper surface of the supporting bottom plate 6 is provided with a plurality of protective side plates 3 for preventing the sealed tank 1 from being impacted, the protective side plates 3 are fixedly connected with the supporting bottom plate 6, the side surface of the protective side plate 3 is provided with a plurality of warning pieces 4 for playing a warning information display role, the warning pieces 4 are LED lamp plates or liquid crystal screens, the plurality of warning pieces 4 are arranged at the bottom of the side surface of the protective side plate 3 at intervals, the lower side of the sealed tank 1 is provided with a plurality of elastic protective plates 5 for playing a anti-skid reinforcing and shock-absorbing role on the supporting bottom plate 6, the elastic protective plates 5 are rubber plates or silica gel plates, the plurality of elastic protective plates 5 are arranged at the lower surface of the supporting bottom plate 6 at intervals, and the elastic protective plates 5 are fixedly connected with the supporting bottom plate 6.

[0037] The working principle and use process of the present application are as follows: before use, the single-way feeding pipe 224 is connected to the bitumen liquid supply source through a pipeline, when in use, the graphite material is put into the sealed tank 1 through the sealed feeding pipe 214, then the sealing state of the sealed feeding pipe 214 is restored, then the double-shaft driver 216 is driven to rotate the stirring piece 211 and the rotatable scattering plate 218, at this time, the graphite material is stirred and dispersed through the cooperation of the stirring piece 211 and the rotatable scattering plate 218.

[0038] When the double-shaft driver 216 works, the piston pumping piece 225 continuously extends and shrinks, at the same time, the adjustable booster plug 233 is driven to move vertically and reciprocally under the cooperation of the limiting transmission frame 226 and the first limiting transmission rod 227, when the piston pumping piece 225 extends, the piston pumping piece 225 pumps the bitumen liquid through the single-way feeding pipe 224, when the piston pumping piece 225 shrinks, the piston pumping piece 225 puts the pumped bitumen liquid into the inside of the limiting feeding cover 232 through the single-way discharging pipe 228, so that the automatic intermittent feeding of the limiting feeding cover 232 is realized.

[0039] Therefore, when the adjustable pressure plug 233 is moved upward, the piston material extractor 225 supplies material to the limiting material conveying pipe 231 through the single-way material outlet pipe 228, when the adjustable pressure plug 233 is moved downward, the piston material extractor 225 extracts the asphalt liquid, and the asphalt liquid in the limiting material conveying pipe 231 is extruded by the downward movable adjustable pressure plug 233, the asphalt liquid is sprayed into the inside of the sealed tank 1 through the discharge hole 235, at this time, the material is further dispersed by the rotating rotatable material dispersing plate 218, and the pressure in the sealed tank 1 is increased by the filling of the material, so that the asphalt liquid is pressed into the pores of the graphite material by high pressure, and the graphite material and the asphalt material are stirred and dispersed by the rotation of the stirring piece 211 and the rotatable material dispersing plate 218, so that the graphite material is fully coated, when the adjustable pressure plug 233 is moved above the limiting material conveying pipe 231, the excess air in the sealed tank 1 is discharged to the outside through the limiting material conveying pipe 231 to realize the pressure relief of the sealed tank 1.

[0040] Therefore, through the cooperation of multiple structures, the asphalt material is intermittently sprayed and supplied, the asphalt material is fully dispersed by spraying, and the sealed tank 1 is intermittently pressurized during the supply process, so that the graphite material fully absorbs the asphalt material by using its own pores, thereby realizing full coating of the battery negative material, and the coating device has better coating effect on the material. Secondly, the present application has the functions of anti-skid, anti-collision and warning, so that the function of the coating device is more abundant, and the present application has the advantages of simple structure and convenient use, and is worth popularizing and using.

[0041] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and scope of the equivalent elements of the claims. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0042] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A lithium-ion battery negative electrode material coating device, comprising a supporting base plate, a sealed container disposed on the upper surface of the supporting base plate, and a plurality of discharge pipes disposed on the bottom side of the sealed container, characterized in that: Above the supporting base plate is a covering mechanism for feeding and pressurizing the sealed tank. The covering mechanism includes a stirring component for stirring and dispersing the material in the sealed tank, a material dispersing component for intermittently pressurizing the sealed tank in conjunction with the stirring component, and a material dispersing component for spraying the material. The material dispersing component is located on top of the stirring component.

2. The lithium-ion battery negative electrode material coating device according to claim 1, characterized in that: The stirring assembly includes a sealing cover plate, which is sealed and fixedly connected to the sealing tank. A dual-shaft driver is fixedly connected to the middle of the upper surface of the sealing cover plate. A rotatable transmission rod is fixedly connected to the bottom output end of the dual-shaft driver. Several stirring elements are spaced apart on the rotatable transmission rod. The stirring elements are fixedly connected to the rotatable transmission rod. A sealed discharge pipe is provided on one side of the dual-shaft driver.

3. The lithium-ion battery negative electrode material coating device according to claim 2, characterized in that: Below the sealing cover is a material distribution pipe. Inside the material distribution pipe are several rotatable material distribution plates that drive and disperse the material. The several rotatable material distribution plates are arranged in a circular array on the inner wall of the material distribution pipe. One end of the rotatable material distribution plate is fixedly connected to the material distribution pipe, and the other end of the rotatable material distribution plate is fixedly connected to a rotatable transmission rod.

4. The lithium-ion battery negative electrode material coating device according to claim 3, characterized in that: The other side of the dual-axis drive has a mounting hole corresponding to the bulk material assembly. The top output end of the dual-axis drive is provided with a first transmission bevel gear, which is fixedly connected to the dual-axis drive.

5. The lithium-ion battery negative electrode material coating device according to claim 4, characterized in that: The bulk material assembly includes a first limiting mounting plate, which is fixedly connected to a sealing cover plate. A second transmission bevel gear, which meshes with a first transmission bevel gear, is rotatably connected to the side of the first limiting mounting plate facing the dual-shaft driver. A limiting transmission disc, which rotates synchronously with the second transmission bevel gear, is provided on the other side of the first limiting mounting plate. A pressurizing feeder, which feeds and pressurizes the sealed tank, is provided on the side of the first limiting mounting plate away from the dual-shaft driver. A limiting transmission frame, which fixes the pressurizing feeder, is provided on the side of the limiting transmission disc away from the first limiting mounting plate. A first limiting transmission rod, which drives the limiting transmission frame to move vertically reciprocatingly, is fixedly connected to the side of the limiting transmission disc.

6. The lithium-ion battery negative electrode material coating device according to claim 5, characterized in that: A second limiting mounting plate is fixedly connected to the top of the first limiting mounting plate. A piston feeding component is fixedly connected to the end of the second limiting mounting plate away from the first limiting mounting plate. The movable end of the piston feeding component is fixedly connected to the limiting transmission frame. A single-pass feed pipe is provided on the top of the piston feeding component. A single-pass discharge pipe is also provided on the top of the piston feeding component for intermittently feeding the booster feeder.

7. The lithium-ion battery negative electrode material coating device according to claim 6, characterized in that: The booster feeder includes a limiting conveyor cover, a limiting conveyor pipe fixedly connected to the bottom of the limiting conveyor cover, a limiting sealing disc for sealing the bottom opening of the limiting conveyor pipe below the limiting conveyor cover, the limiting sealing disc being fixedly connected to the limiting conveyor pipe, a plurality of discharge holes being opened at one end of the limiting conveyor pipe near the limiting sealing disc, an adjustable booster plug being slidably connected to the bottom of the limiting conveyor cover, and a second limiting transmission rod corresponding to the limiting transmission frame being provided on the upper surface of the adjustable booster plug.

8. The lithium-ion battery negative electrode material coating device according to claim 7, characterized in that: The limiting conveying cover is slidably connected to the limiting conveying pipe, the bottom of the second limiting transmission rod is fixedly connected to the adjustable pressure plug, the top of the second limiting transmission rod is fixedly connected to the limiting transmission frame, a number of discharge holes are arranged in a ring array at the bottom of the limiting conveying pipe, and the limiting sealing disc is located above the bulk material pipe.

9. The lithium-ion battery negative electrode material coating device according to claim 1, characterized in that: The upper surface of the supporting base plate is provided with several protective side plates for anti-collision protection of the sealed tank. The protective side plates are fixedly connected to the supporting base plate. Several warning pieces are provided on the side of the protective side plates for displaying warning information. The warning pieces are spaced apart at the bottom of the side of the protective side plates.

10. The lithium-ion battery negative electrode material coating device according to any one of claims 1-9, characterized in that: The sealed container is provided with several elastic protective plates at the bottom to provide anti-slip reinforcement and shock absorption for the supporting base plate. The elastic protective plates are spaced apart at both ends of the lower surface of the supporting base plate and are fixedly connected to the supporting base plate.

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