CN110585985A - Vacuum feeding device of stirrer - Google Patents

Vacuum feeding device of stirrer Download PDF

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Publication number
CN110585985A
CN110585985A CN201910682046.9A CN201910682046A CN110585985A CN 110585985 A CN110585985 A CN 110585985A CN 201910682046 A CN201910682046 A CN 201910682046A CN 110585985 A CN110585985 A CN 110585985A
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CN
China
Prior art keywords
feeding bin
feeding
storage tank
bin
stirrer
Prior art date
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Granted
Application number
CN201910682046.9A
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Chinese (zh)
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CN110585985B (en
Inventor
刘义虎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinxiang Sunshine Power Supply Co Ltd
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Xinxiang Sunshine Power Supply Co Ltd
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Priority to CN201910682046.9A priority Critical patent/CN110585985B/en
Publication of CN110585985A publication Critical patent/CN110585985A/en
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Publication of CN110585985B publication Critical patent/CN110585985B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/70Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/181Preventing generation of dust or dirt; Sieves; Filters
    • B01F35/184Preventing generation of dust
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71Feed mechanisms
    • B01F35/713Feed mechanisms comprising breaking packages or parts thereof, e.g. piercing or opening sealing elements between compartments or cartridges
    • B01F35/7131Breaking or perforating packages, containers or vials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71Feed mechanisms
    • B01F35/717Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7173Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Accessories For Mixers (AREA)

Abstract

The invention discloses a vacuum feeding device of a stirrer, which comprises a rack, a storage tank and a feeding bin, wherein the storage tank is fixedly arranged at the lower part of the rack, the feeding bin is arranged on the rack and is higher than the storage tank, the storage tank is connected with the feeding bin through a feeding pipe, the storage tank is also connected with a material cylinder of the stirrer through a discharging pipe, the feeding bin is in an inverted cone shape, a vibration grid is arranged in the middle of the feeding bin, the vibration grid is fixed on the inner wall of the feeding bin through a damping device, a vibration motor is arranged at the position, close to the wall of the feeding bin, of the vibration grid and is used for driving the vibration grid to vibrate, and a feeding bin cover is arranged at the top of the feeding bin. According to the invention, in the preparation process of the lithium battery slurry, the charging of the mixer is realized without stopping, the time and the labor are saved, the whole bag of slurry can be added, no dust is generated in the charging process, the production environment is improved, the physical and mental health of workers is maintained, and the mixing quality of the slurry is improved.

Description

Vacuum feeding device of stirrer
Technical Field
The invention relates to the technical field of lithium battery slurry stirring equipment, in particular to a vacuum feeding device of a stirrer.
Background
The electrode slurry of the lithium battery is the beginning of the battery and is the most important link, and the quality of the electrode slurry directly determines the quality of the lithium battery.
The positive electrode slurry mainly comprises a binder, a conductive agent, a positive electrode material and the like; the negative electrode slurry is similar and mainly comprises a thickening agent, a binder, carbon powder or other negative electrode materials and the like. The preparation of the positive electrode slurry and the negative electrode slurry comprises a series of processes of mixing, dissolving, rubbing, dispersing and the like between liquid and liquid, between liquid and solid materials, between solid and solid particles, and the processes are accompanied by the change of parameters such as temperature, viscosity, particle size, viscosity and the like. The mixing and dispersing process of the lithium ion battery slurry can be divided into a macro mixing process and a micro dispersing process, and the two processes are always accompanied with the whole process of preparing the lithium ion battery slurry. The preparation of the slurry will generally go through several stages:
mixing dry powder. The particles are contacted with each other in the form of point, point surface and point line.
② a half-dried paste kneading stage. In this stage, after the dry powder is mixed uniformly, a binder liquid or a solvent is added, and the raw material is moistened and becomes a paste. Through the powerful stirring of mixer, the material receives the shearing and the friction of mechanical force, also has internal friction simultaneously between the granule, under each effort, tends to highly dispersed between the raw materials granule. This stage has a crucial influence on the particle size and viscosity of the finished slurry.
③ a dilution and dispersion stage. After the kneading was completed, the viscosity and solid content of the slurry were adjusted by slowly adding a solvent. The dispersion and agglomeration coexist at this stage and finally reach stability. The dispersion of the material at this stage is mainly influenced by mechanical force, frictional resistance between powder and liquid, high-speed dispersion shearing force, and impact interaction force of slurry and container wall.
The preparation of the slurry needs a mixing device, namely a vacuum stirring mixer, which is called a stirrer for short.
Because the slurry preparation has several stages, and the material that each stage was thrown into is different, therefore, the material loading of current mixer is all artifical material loading basically, and artifical material loading has the shortcoming: when feeding, the equipment must be stopped, the stirring barrel falls down, one spoon of the stirring barrel is added inwards, after the stirring is finished, the stirring barrel is lifted, the equipment is stopped after the stirring is carried out for a period of time according to the process, the dropping feeding is repeated, and because a lot of raw materials of the slurry are powdery, the dust is large in the feeding process, and the feeding is very unfavorable for the production environment and physical and mental health of workers.
Disclosure of Invention
In view of the above, the invention provides a vacuum feeding device of a stirrer, which is used for feeding lithium battery slurry in a preparation process of the lithium battery slurry without stopping the stirrer, saves time and labor, can feed the slurry in a whole bag, is free of dust in the feeding process, improves the production environment, maintains the physical and mental health of workers, and improves the mixing quality of the slurry.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vacuum feeding device of a stirrer comprises a frame, a storage tank and a feeding bin, wherein the storage tank is fixedly arranged at the lower part of the frame, the feeding bin is arranged on the frame and is higher than the storage tank, the storage tank and the feeding bin are connected together through a feeding pipe, a feeding pneumatic valve is arranged on the feeding pipe, the storage tank is also connected with a stirring machine charging barrel through a discharging pipe and is used for feeding materials to the stirrer, the feeding bin is in an inverted cone shape, the bottom of the feeding bin is connected with the feeding pipe, a vibration grid is arranged in the middle of the feeding bin and is fixed on the inner wall of the feeding bin through a damping device, the damping device comprises a damping and buffering component and a damping shaft, the damping and buffering component is sleeved on the damping shaft, a vibration motor is arranged at the position of the vibration grid close to the wall of the feeding bin and is used for driving the vibration grid to vibrate, and an electric wire of the vibration motor passes through the wall, the electric wire passes the position of feeding storehouse wall and is provided with sealing device, the feeding storehouse top is provided with the feeding storehouse lid, prevents that feeding storehouse feeding process dust from flying upward.
Further, the feeding bin is in the shape of one of an inverted pyramid or a cone.
Furthermore, be provided with the sealing washer on the feeding storehouse lid, prevent at the in-process of feeding, external dust gets into the feeding storehouse, also prevents simultaneously to divide the material to fly out from the feeding storehouse.
Furthermore, a discharging pneumatic valve is arranged on a discharging pipe connected to the storage tank, so that the vacuum degree of a charging barrel of the stirring machine is prevented from being reduced.
Further, the damping and buffering part is a spring or a rubber damping pad.
Further, be provided with rectangular blade above the vibrations net, the cutting edge of rectangular blade up for cut open the raw materials wrapping bag, the quantity of rectangular blade has two at least.
Furthermore, the damping motor is a variable-frequency damping motor, and the vibration frequency of the damping motor is adjustable.
Further, the vacuum feeding device of the invention, except the shock absorption and buffer component and the sealing device, is made of 304 stainless steel or 316 stainless steel.
According to the vacuum feeding device of the stirrer, a raw material belt packaging bag needing to be added into a charging barrel of the stirrer is placed on a key vibration grid of a feeding bin, a feeding bin cover is closed, a vibration motor is started to vibrate the vibration grid, a blade arranged on the vibration grid cuts the raw material packaging bag open in the vibration process, the raw material enters the raw material bin, the vibration motor is provided with different vibration frequencies and different vibration times according to different types and adding amounts of the raw material to ensure that the raw material enters the feeding bin from the packaging bag, after vibration is finished, the feeding bin cover is opened, an empty packaging bag is taken out, the feeding bin cover is covered, and the raw material is put in next time after the raw material is added into the charging barrel of the stirrer.
The vacuum feeding device of the stirrer is connected with the charging barrel of the stirrer through the discharging pipe, when the materials need to be fed into the charging barrel of the stirrer, the pneumatic valve on the discharging pipe is opened, the raw materials in the material storage tank enter the charging barrel of the stirrer under the action of negative pressure in the charging barrel of the stirrer, the vacuum feeding device is convenient and quick, and the stirrer can continue to stir without stopping in the feeding process.
The invention has the beneficial effects that:
1. the vacuum feeding device of the stirrer can feed materials under the condition that the stirrer is not stopped, is time-saving and labor-saving, and can feed materials in whole bags.
2. The vacuum feeding device of the stirrer effectively improves the production environment of the lithium battery slurry mixing process and improves the physical and psychological health of workers.
3. According to the vacuum feeding device of the stirrer, the whole feeding process is carried out in a vacuum state of the stirrer, so that the quality of slurry is improved.
4. The vacuum feeding device of the stirrer is simple to operate, the whole device is easy to use and clean, and the production efficiency is greatly improved.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic top view of the present invention.
FIG. 3 is a schematic side view of the present invention.
In the figure: 1-a frame, 2-a discharge port, 3-a storage tank, 4-a pneumatic valve, 5-a feeding bin, 6-a vibration grid, 7-a vibration motor, 8-an electric wire, 9-a sealing device, 10-a blade, 11-a damping and buffering component, 12-a damping shaft and 13-a feeding bin cover.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, 2 and 3, a vacuum feeding device of a stirrer comprises a frame 1, a storage tank 3 and a feeding bin 5, wherein the storage tank 3 is fixedly arranged at the lower part of the frame 1, the storage tank is cylindrical, the diameter of the storage tank is 0.6m, the length of the storage tank is 1m, the feeding bin 5 is arranged on the frame 1 and is higher than the storage tank 3, the storage tank 3 is connected with the feeding bin 5 through a feeding pipe, the feeding pipe is provided with a feeding pneumatic valve 4, the storage tank 3 is also connected with a stirring machine charging barrel through a discharging pipe 2 and is used for feeding materials to the stirrer, the discharging pipe 2 connected on the storage tank 3 is provided with a discharging pneumatic valve to avoid the reduction of the vacuum degree of the stirring machine charging barrel, the feeding bin 5 is inverted conical, the height of the feeding bin is 1.2 m, the diameter of the upper part is 0.8 m, the bottom of the feeding bin is connected with the feeding pipe, the vibration grid is formed by welding stainless steel flat steel and is in a rectangular grid shape, the upper surface of the vibration grid 6 is provided with two strip blades 10 which are stainless steel blades and made of 304 stainless steel, the cutting edges of the strip blades 10 face upwards and are used for cutting raw material packaging bags, the number of the strip blades 10 is two and is arranged in a cross shape and is arranged at the central position of the vibration grid 6, the vibration grid 6 is fixed on the inner wall of the feeding bin 5 through a damping device, the damping device comprises a spring 11 and a damping shaft 12, the spring 11 is sleeved on the damping shaft 12, the position of the vibration grid 6 close to the wall of the feeding bin is provided with a vibration motor 7 which is used for driving the vibration grid 6 to vibrate, the vibration motor is an HY-200/3 inorganic variable frequency motor, the power is 200W, the voltage is 220V, and an electric wire 8 of the vibration motor 7 penetrates through the wall of the feeding bin 5 and is connected with a control box, the position that electric wire 8 passed feeding storehouse 5 wall is provided with sealing device 9, and sealing device 9 is made with rubber, feeding storehouse top 5 portions is provided with feeding storehouse lid 13, prevents feeding storehouse 5 feeding process dust and flies upward, be provided with the sealing washer on the feeding storehouse lid 13, the sealing washer is made with rubber, prevents at the in-process of feeding that external dust gets into the feeding storehouse, also prevents simultaneously to divide the material to fly out from feeding storehouse 5.
The vacuum feeding device is characterized in that except for the spring and the sealing device, other parts are made of 304 stainless steel.
According to the vacuum feeding device of the stirrer, a raw material belt packaging bag needing to be added into a charging barrel of the stirrer is placed on a key vibration grid of a feeding bin, a feeding bin cover is closed, a vibration motor is started to vibrate the vibration grid, a blade arranged on the vibration grid cuts the raw material packaging bag open in the vibration process, the raw material enters the raw material bin, the vibration motor is provided with different vibration frequencies and different vibration times according to different types and adding amounts of the raw material to ensure that the raw material enters the feeding bin from the packaging bag, after vibration is finished, the feeding bin cover is opened, an empty packaging bag is taken out, the feeding bin cover is covered, and the raw material is put in next time after the raw material is added into the charging barrel of the stirrer.
The vacuum feeding device of the stirrer is connected with the charging barrel of the stirrer through the discharging pipe, when the materials need to be fed into the charging barrel of the stirrer, the pneumatic valve on the discharging pipe is opened, the raw materials in the material storage tank enter the charging barrel of the stirrer under the action of negative pressure in the charging barrel of the stirrer, the vacuum feeding device is convenient and quick, and the stirrer can continue to stir without stopping in the feeding process.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (7)

1. The utility model provides a mixer vacuum loading attachment which characterized in that: comprises a frame (1), a storage tank (3) and a feeding bin (5), wherein the storage tank (3) is fixedly arranged at the lower part of the frame (1), the feeding bin (5) is arranged on the frame (1), the position of the feeding bin is higher than that of the storage tank (3), the storage tank (3) is connected with the feeding bin (5) through a feeding pipe, a feeding pneumatic valve (4) is arranged on the feeding pipe, the storage tank (3) is also connected with a charging barrel of a stirrer through a discharging pipe (2), the feeding bin (5) is in an inverted cone shape, the bottom of the feeding bin is connected with the feeding pipe, a vibration grid (6) is arranged at the middle part in the feeding bin (5), the vibration grid (6) is fixed on the inner wall of the feeding bin (5) through a damping device, the damping device comprises a damping and buffering component (11) and a damping shaft (12), the damping and the buffering component (11) is sleeved on the damping shaft (12, the utility model discloses a feeding bin, including feeding bin (5), vibrations net (6), electric wire (8) of vibrations net (6) are provided with a vibrating motor (7) near the position of feeding bin (5) wall, the electric wire (8) of vibrating motor (6) pass feeding bin (5) wall and are connected with the control box, the position that feeding bin (5) wall was passed in electric wire (8) is provided with sealing device (9), feeding bin (5) top is provided with feed bin lid (13).
2. A blender vacuum loading apparatus as claimed in claim 1, wherein: the feeding bin (5) is in one of an inverted multi-pyramid shape or a cone shape.
3. A blender vacuum loading apparatus as claimed in claim 1, wherein: and a sealing ring is arranged on the feeding bin cover (13).
4. A blender vacuum loading apparatus as claimed in claim 1, wherein: and a discharging pneumatic valve is arranged on the discharging pipe (2) connected to the material storage tank (3).
5. A blender vacuum loading apparatus as claimed in claim 1, wherein: the shock absorption and buffer part (11) is a spring or a rubber shock absorption pad.
6. A blender vacuum loading apparatus as claimed in claim 1, wherein: be provided with rectangular blade (10) above vibrations net (6), the cutting edge of rectangular blade (10) up, the quantity of rectangular blade (10) has two at least.
7. A blender vacuum loading apparatus as claimed in claim 1, wherein: the vibration motor (7) is a variable frequency vibration motor.
CN201910682046.9A 2019-07-26 2019-07-26 Vacuum feeding device of stirrer Active CN110585985B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910682046.9A CN110585985B (en) 2019-07-26 2019-07-26 Vacuum feeding device of stirrer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910682046.9A CN110585985B (en) 2019-07-26 2019-07-26 Vacuum feeding device of stirrer

Publications (2)

Publication Number Publication Date
CN110585985A true CN110585985A (en) 2019-12-20
CN110585985B CN110585985B (en) 2024-06-28

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8711281D0 (en) * 1987-05-13 1987-06-17 Netzsch Mastermix Ltd Mixing & dispersing apparatus
CN205216605U (en) * 2015-12-03 2016-05-11 丰城黑五类食品有限公司 A sugared device is dissolved to high efficiency for walnut milk beverage preparation
CN107233837A (en) * 2017-07-31 2017-10-10 合肥多智科技开发有限公司 Shock-absorbing support garden soil crushes charging mixed stirring device
CN107362888A (en) * 2017-08-30 2017-11-21 深圳市昱意科技有限公司 A kind of mixer feed arrangement with dust reduction capability
CN207342589U (en) * 2017-08-09 2018-05-11 北京鼎能开源电池科技股份有限公司 A kind of lithium battery slurry mixing device
CN211051424U (en) * 2019-07-26 2020-07-21 新乡市阳光电源制造有限公司 Vacuum feeding device of stirrer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8711281D0 (en) * 1987-05-13 1987-06-17 Netzsch Mastermix Ltd Mixing & dispersing apparatus
CN205216605U (en) * 2015-12-03 2016-05-11 丰城黑五类食品有限公司 A sugared device is dissolved to high efficiency for walnut milk beverage preparation
CN107233837A (en) * 2017-07-31 2017-10-10 合肥多智科技开发有限公司 Shock-absorbing support garden soil crushes charging mixed stirring device
CN207342589U (en) * 2017-08-09 2018-05-11 北京鼎能开源电池科技股份有限公司 A kind of lithium battery slurry mixing device
CN107362888A (en) * 2017-08-30 2017-11-21 深圳市昱意科技有限公司 A kind of mixer feed arrangement with dust reduction capability
CN211051424U (en) * 2019-07-26 2020-07-21 新乡市阳光电源制造有限公司 Vacuum feeding device of stirrer

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