CN210252118U - Dispersing device for conductive paste - Google Patents
Dispersing device for conductive paste Download PDFInfo
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- CN210252118U CN210252118U CN201920351349.8U CN201920351349U CN210252118U CN 210252118 U CN210252118 U CN 210252118U CN 201920351349 U CN201920351349 U CN 201920351349U CN 210252118 U CN210252118 U CN 210252118U
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Abstract
The utility model discloses a dispersion devices for conductive paste, a dispersion devices for conductive paste includes: a main body support; a drive mechanism mounted to the main body bracket; the grinding device comprises a stirring tank, wherein grinding beads are arranged in the stirring tank; and the grinding disc is arranged in the stirring tank and is connected with the output end of the driving mechanism. According to the utility model discloses a dispersion devices for conductive paste is through setting up the grinding pearl in the agitator tank to can grind fast and high-efficient dispersion to conductive paste, and conductive paste's fineness is comparatively suitable.
Description
Technical Field
The utility model belongs to the technical field of conductive paste makes, particularly, relate to a dispersion devices for conductive paste.
Background
Since thirteen-five plans list new energy automobiles as one of the main contents of special pilot projects, the energy density of a single battery is required to be more than 300Wh/kg, and for the application of high-energy-density lithium ions, the traditional conductive agent cannot meet the requirements of large current and rapid charge and discharge of the battery, and a high-efficiency conductive agent must be developed and used to improve or improve the charge and discharge safety, high-temperature stability, battery capacity and cycle life of the battery.
As a novel nanocarbon material, carbon nanotubes have excellent chemical and physical properties and are widely used in the fields of materials, energy, biology and the like. The carbon nano tube CNTs are of fibrous structures and mesoporous structures which are beneficial to lithium ions to be embedded and emigrated, contact with electrode material particles is increased, conductivity of the electrode is greatly improved, and resistance of a pole piece is reduced. However, the carbon nanotube powder is easily present in the form of aggregates and is difficult to be compatible with the cathode material, so that the carbon nanotube powder needs to be pre-dispersed in an organic solvent to obtain a carbon nanotube slurry and then applied.
In the related technology, a small batch of carbon nanotube powder is dispersed in a laboratory to prepare the conductive slurry by adopting a leaf type stirrer or a closed ball mill, the conductive slurry prepared by the method has a high fineness value, the solid content of the slurry is low, the stability is poor, and the basic requirements of lithium battery mixed slurry in the laboratory cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a dispersion devices for conductive paste, it is good to conductive paste's stirring effect.
According to the utility model discloses a dispersion devices for conductive paste includes: a main body support; a drive mechanism mounted to the main body bracket; the grinding device comprises a stirring tank, wherein grinding beads are arranged in the stirring tank; and the grinding disc is arranged in the stirring tank and is connected with the output end of the driving mechanism.
According to the utility model discloses a dispersion devices for conductive paste is through setting up the grinding pearl in the agitator tank to can grind fast and high-efficient dispersion to conductive paste, and conductive paste's fineness is comparatively suitable.
According to the utility model discloses a dispersion devices for conductive paste of an embodiment, the grinding pearl is the zirconia pearl, just the diameter d of grinding pearl satisfies: d is more than or equal to 0.6mm and less than or equal to 0.8 mm.
According to an embodiment of the utility model discloses a dispersion devices for conductive paste, the grinding pearl is a plurality of, just the abrasive disc submergence is in below the grinding pearl.
According to the utility model discloses a dispersion devices for conductive paste, the abrasive disc includes grinding section and main part section, the main part section with actuating mechanism's output links to each other, the grinding section with the periphery wall of main part section links to each other so that the grinding section is for the main part section is radial outside protrusion, just the grinding section with the inner wall of agitator tank is spaced apart.
According to the utility model discloses a dispersion devices for conductive paste of an embodiment, it is a plurality of to grind the section, and is a plurality of it distributes to grind the section along axial interval.
According to the utility model discloses a dispersion devices for conductive paste, abrasive disc is the high density polypropylene material.
According to the utility model discloses a dispersion devices for conductive paste, the main part support includes supporting seat, cradling piece and bracing piece, the lower extreme of cradling piece with the border of supporting seat links to each other, the upper end of cradling piece with the first end of bracing piece links to each other, the second end of bracing piece to the center of supporting seat extends and with actuating mechanism links to each other.
According to the utility model discloses a dispersion devices for conductive paste, the bracing piece is established along vertical position adjustable ground cover the cradling piece.
According to the utility model discloses a dispersion devices for conductive paste, main part support still includes: and the clamping device is used for clamping the stirring tank.
According to the utility model discloses a dispersion devices for conductive paste, the agitator tank includes inner shell and shell, the inner shell with the shell links to each other, just the inner shell with the shell is injectd jointly and is held the chamber, it is used for holding cooling medium to hold the chamber, being equipped with of shell cooling medium import and cooling medium export, the cooling medium import with the lower part intercommunication that holds the chamber, the cooling medium export with the upper portion intercommunication that holds the chamber, the cooling medium import with the cooling medium export sets up along circumference relatively.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a dispersing device for conductive paste according to an embodiment of the present invention.
Reference numerals:
a dispersing device 100;
a main body support 1; a support base 11; a support rod 12; a support bar 13;
a drive mechanism 2;
a stirring tank 3; a housing 31; an inner shell 32; a housing chamber 30; a can lid 33; a cooling medium inlet 301; a cooling medium outlet 302;
a grinding disk 4; a grinding section 41; a main body section 42;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A dispersion apparatus 100 for conductive paste according to an embodiment of the present invention is described below with reference to fig. 1.
As shown in fig. 1, a dispersing apparatus 100 for conductive paste according to the present invention includes: main part support 1, actuating mechanism 2, agitator tank 3 and abrasive disc 4.
Wherein, in the utility model discloses in "interior" for being close to the direction of agitator tank 3 axis, "outer" is for keeping away from the direction of 3 axes of agitator tank.
Actuating mechanism 2 installs in main part support 1, is equipped with grinding pearl 5 in agitator tank 3, and abrasive disc 4 installs in agitator tank 3 and links to each other with actuating mechanism 2's output, and abrasive disc 4 is used for carrying out fast-speed shearing, striking, smashing, dispersion to electrically conductive thick liquids to stir electrically conductive thick liquids rapidly. Therefore, the conductive slurry can be put into the stirring tank 3, the driving mechanism 2 drives the grinding disc 4 to rotate, and the grinding disc 4 rotates at a high speed to enable the grinding beads 5 and the filler to move in the stirring tank 3 so as to fully grind and disperse the conductive slurry.
In some examples, the dispersing apparatus 100 for conductive paste may further include a tank cover 33, the upper end of the agitator tank 3 is open, the ground material may be put into the agitator tank 3 from the open end thereof, the tank cover 33 may be used to close the open end of the agitator tank 3, and when the dispersing apparatus 100 starts to operate, the tank cover 33 may be made to close the open end of the agitator tank 3, thereby preventing the ground beads 5 or the ground material from being splashed out of the agitator tank 3 during the stirring process.
According to the utility model discloses a dispersion devices 100 for conductive paste is through setting up grinding pearl 5 in agitator tank 3 to can grind fast and high-efficient dispersion to conductive paste, and conductive paste's fineness is comparatively suitable.
Some embodiments of a dispersing apparatus 100 for conductive paste according to the present invention are described below with reference to fig. 1.
In some embodiments, the grinding beads 5 are zirconia beads, and the diameter d of the grinding beads 5 satisfies: d is more than or equal to 0.6mm and less than or equal to 0.8mm, the grinding beads 5 made of zirconia have good sphere integrity, smooth surface, excellent toughness and impact resistance, are not cracked in high-speed operation, can improve the solid content of the conductive paste, and the size of the grinding beads 5 can control the fineness value of the conductive paste to be less than 30 mu m.
In some embodiments, the polishing beads 5 are plural, and the polishing disk 4 is immersed below the polishing beads 5, whereby the arrangement of the plural polishing beads 5 can enhance the preparation efficiency of the conductive paste.
In some embodiments, the polishing disk 4 comprises a polishing section 41 and a main section 42, the main section 42 is connected to the output end of the driving mechanism 2, the polishing section 41 is connected to the outer peripheral wall of the main section 42 so that the polishing section 41 protrudes radially outward relative to the main section 42, and the polishing section 41 is spaced apart from the inner wall of the stirring tank 3, so that the polishing section 41 can more effectively stir the conductive paste and the polishing beads 5 during the high-speed rotation of the polishing disk 4, thereby enhancing the preparation efficiency of the conductive paste, facilitating the rapid polishing and the efficient dispersion of the conductive paste at high viscosity.
In some embodiments, the number of the grinding segments 41 is plural, the plurality of the grinding segments 41 are distributed at intervals along the axial direction, and the arrangement of the plurality of the grinding segments 41 can make the grinding efficiency of the grinding disk 4 higher, in some examples, as shown in fig. 1, the number of the grinding segments 41 can be two, and the two grinding segments 41 are respectively located at the upper end and the lower end of the main body segment 42 to form the grinding disk 4 with the i-shaped section, so that the grinding efficiency of the conductive slurry is higher.
In some embodiments, the grinding disk 4 may be made of a high density polypropylene material, which has good bending fatigue resistance and good heat resistance of the grinding disk 4, thereby improving the reliability of the grinding disk 4.
In some embodiments, the main body frame 1 includes a supporting seat 11, a frame rod 12 and a supporting rod 13, wherein the lower end of the frame rod 12 is connected to the edge of the supporting seat 11, the upper end of the frame rod 12 is connected to the first end of the supporting rod 13, and the second end of the supporting rod 13 extends toward the center of the supporting seat 11 and is connected to the driving mechanism 2.
Supporting seat 11 can be used for supporting agitator tank 3, and agitator tank 3 can be placed on supporting seat 11, and agitator tank 3 is located actuating mechanism 2's below, and cradling piece 12 is used for supporting actuating mechanism 2, makes actuating mechanism 2 can be located the top of agitator tank 3, and when agitator tank 3 placed in actuating mechanism 2 below, actuating mechanism 2's output can downwardly extending to agitator tank 3 in to make actuating mechanism 2 can drive abrasive disc 4 internal rotation in agitator tank 3.
In some embodiments, the support rod 13 is adjustably sleeved on the support rod 12 along the vertical position, so that the support rod 13 can move relative to the support rod 12 along the up-down direction, the output ends of the grinding disc 4 and the driving mechanism 2 can be moved out of the stirring tank 3, and the stirring tank 3 is cleaned or materials are taken or fed and the like. The dispersing apparatus 100 for conductive paste may further include a locking mechanism for locking the support rod 13 on the support rod 12 so that the support rod 13 can be fixed at any position on the support rod 12.
In some examples, the dispersing device 100 for conductive paste may further include two lifting rods, the lifting rods extend in the same direction as the support rods 12 (i.e., extend in the vertical direction), the support rods 13 may be adjustably sleeved on the lifting rods along the vertical direction, so that the support rods 13 are sleeved on the support rods 12 and the lifting rods, and the lifting rods may limit the support rods 13, so that the support rods 13 may only vertically move relative to the support rods 12 and may not rotate relative to the support rods 12, thereby improving the stability of the support rods 13.
In some embodiments, the body support 1 further comprises: a clamping device for centre gripping agitator tank 3, clamping device can fix agitator tank 3 on main part support 1, make agitator tank 3 main part support 1 relatively remove, prevent at the grinding in-process, the emergence of circumstances such as agitator tank 3 is overturned because of agitator tank 3 removes, optional centre gripping agitator tank 3 of clamping device, when actuating mechanism 2 drive abrasive disc 4 carries out conductive paste preparation, can use clamping device centre gripping agitator tank 3, when needs clear up agitator tank 3 or get the material or when the circumstances such as reinforced, can make clamping device not centre gripping agitator tank 3, so that agitator tank 3 can follow main part support 1 and remove away.
In some embodiments, as shown in fig. 1, the stirring tank 3 includes an inner shell 32 and an outer shell 31, an inner surface of the inner shell 32 forms an inner wall of the stirring tank 3, an outer surface of the outer shell 31 forms an outer shell 31 of the stirring tank 3, the inner shell 32 is connected to the outer shell 31, and the inner shell 32 and the outer shell 31 together define a receiving cavity 30 (i.e., the receiving cavity 30 is formed between the outer surface of the inner shell 32 and the outer surface of the inner shell 32), the receiving cavity 30 is used for receiving a cooling medium, and since heat is generated during high-speed stirring of the conductive paste, the receiving cavity 30 is filled with the cooling medium, which may serve to cool the conductive paste and the outer shell 31, in some examples, the cooling medium may be water.
In some embodiments, as shown in fig. 1, the outer shell 31 is provided with a cooling medium inlet 301 and a cooling medium outlet 302, the cooling medium inlet 301 is communicated with the lower portion of the accommodating cavity 30, the cooling medium outlet 302 is communicated with the upper portion of the accommodating cavity 30, the cooling medium inlet 301 and the cooling medium outlet 302 are arranged opposite to each other in the circumferential direction, and the arrangement positions of the cooling inlet and the cooling outlet can ensure that the cooling medium can flow a long distance in the accommodating cavity 30 to reach the cooling outlet after entering the accommodating cavity 30 from the cooling inlet, so that the cooling medium can fully cool the stirring tank 3 and then flow out from the cooling outlet, thereby enhancing the cooling efficiency.
In some examples, the driving device can be an AC220V, 1100w variable frequency motor, a digital display frequency converter is additionally arranged, and the rotating speed of the variable frequency motor is steplessly adjustable at 0-8000r/min, so that the rotating speed of the grinding disc 4 can be adjusted, and an operator can adjust the rotating speed at any time according to actual conditions in the preparation process of the conductive slurry.
In some examples, agitator tank 3 is a stainless steel tank having a net volume of 2L, thereby facilitating the preparation of conductive paste for testing by dispersion apparatus 100.
In some examples, the dispersing device 100 for conductive paste may further include a timing device, and the timing device may be electrically connected to the driving mechanism 2, so as to control the operation time of the driving mechanism 2, and further, the operation time of the dispersing device 100 for conductive paste may be set, for example, the set time of the timing device is 10min to 180min, for example, the set time is 80 minutes, so that the dispersing device 100 may be automatically stopped after 80 minutes of operation, so that an operator does not need to manually time, and thus the operation of the dispersing device 100 may be more convenient.
The use of the dispersing device 100 according to the invention is described below with reference to fig. 1:
prior to milling, the cooling medium is connected to a cooling medium (e.g., tap water) inlet and passed to a cooling medium outlet 302 where the cooling medium exits. Grinding beads 5 (such as zirconia beads) are added to the stirring tank 3 in an amount of 40-70% of the tank volume, and the diameter of the grinding beads 5 is 0.6-0.8 mm. Adding materials with a certain proportion step by step for many times, covering the tank cover 33, adjusting the rotating speed of the driving mechanism 2 to 2000-7000r/min, stirring for 60-180min, testing the viscosity and fineness value of the slurry, taking the stirring tank 3 off the main body bracket 1 to pour the materials and the grinding beads 5 into a solid-liquid separation device by using a funnel for separation after meeting the established requirement specification, and obtaining the uniformly and stably dispersed carbon nano tube conductive slurry.
According to the utility model discloses a dispersion devices 100 easy operation of conductive paste, the solid content of the carbon nanotube thick liquids of preparation can reach more than 5%, and conductive paste's fineness value can be controlled to below 30 mu m, and conductive paste's stability is easily possible more than 5 months, and each side comprehensive properties all is superior to traditional thick liquids preparation method.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A dispersion apparatus for electroconductive paste, comprising:
a main body support;
a drive mechanism mounted to the main body bracket;
the grinding device comprises a stirring tank, wherein grinding beads are arranged in the stirring tank;
and the grinding disc is arranged in the stirring tank and is connected with the output end of the driving mechanism.
2. The dispersion apparatus for electroconductive paste according to claim 1, wherein said grinding beads are zirconia beads, and a diameter d of said grinding beads satisfies: d is more than or equal to 0.6mm and less than or equal to 0.8 mm.
3. The dispersion apparatus for conductive paste according to claim 1, wherein said grinding beads are plural, and said grinding disk is immersed below said grinding beads.
4. The dispersion apparatus for conductive paste according to claim 1, wherein said grinding disk includes a grinding section and a body section, said body section being connected to an output end of said driving mechanism, said grinding section being connected to an outer peripheral wall of said body section so that said grinding section protrudes radially outward with respect to said body section, and said grinding section being spaced apart from an inner wall of said agitation tank.
5. The dispersing apparatus for electroconductive paste according to claim 4, wherein said grinding section is plural, and plural grinding sections are distributed at intervals in the axial direction.
6. The dispersion apparatus for conductive paste according to claim 1, wherein said abrasive disk is made of high-density polypropylene.
7. The dispersing apparatus for conductive paste according to any one of claims 1 to 6, wherein the main body support includes a support base, a support rod and a support rod, a lower end of the support rod is connected to an edge of the support base, an upper end of the support rod is connected to a first end of the support rod, and a second end of the support rod extends toward a center of the support base and is connected to the driving mechanism.
8. The dispersing apparatus for conductive paste according to claim 7, wherein the support rod is sleeved on the support rod in a vertically adjustable manner.
9. The dispersing apparatus for conductive paste according to claim 7, wherein the main body holder further comprises: and the clamping device is used for clamping the stirring tank.
10. The dispersing apparatus for conductive paste according to any one of claims 1 to 6, wherein the agitator tank includes an inner casing and an outer casing, the inner casing is connected to the outer casing, and the inner casing and the outer casing together define a receiving chamber for receiving a cooling medium, the outer casing is provided with a cooling medium inlet and a cooling medium outlet, the cooling medium inlet is communicated with a lower portion of the receiving chamber, the cooling medium outlet is communicated with an upper portion of the receiving chamber, and the cooling medium inlet and the cooling medium outlet are circumferentially opposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920351349.8U CN210252118U (en) | 2019-03-19 | 2019-03-19 | Dispersing device for conductive paste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920351349.8U CN210252118U (en) | 2019-03-19 | 2019-03-19 | Dispersing device for conductive paste |
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| CN210252118U true CN210252118U (en) | 2020-04-07 |
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| CN201920351349.8U Active CN210252118U (en) | 2019-03-19 | 2019-03-19 | Dispersing device for conductive paste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068933A (en) * | 2021-10-28 | 2022-02-18 | 诺瑞(深圳)新技术有限公司 | Carbon nano tube conductive agent and preparation method and application thereof |
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2019
- 2019-03-19 CN CN201920351349.8U patent/CN210252118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068933A (en) * | 2021-10-28 | 2022-02-18 | 诺瑞(深圳)新技术有限公司 | Carbon nano tube conductive agent and preparation method and application thereof |
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Effective date of registration: 20220129 Address after: 014300 office 520-5, administrative committee office building, Dalat banner Economic Development Zone, Ordos City, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Changxin Nano Technology Co.,Ltd. Address before: 065001 East Huaxiang Road, North Hongrun Road, Langfang Economic and Technological Development Zone, Hebei Province Patentee before: ENN GRAPHENE TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20221202 Address after: 014300 Room 102, Office Building, Xin'ao Industrial Park, Wangaizhao Town, Dalate Banner, Ordos, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Xinminhui Nanotechnology Co.,Ltd. Address before: 014300 office 520-5, administrative committee office building, Dalat banner Economic Development Zone, Ordos City, Inner Mongolia Autonomous Region Patentee before: Inner Mongolia Changxin Nano Technology Co.,Ltd. |