CN210934672U - Powder mixing arrangement is used in production of lithium cell cathode material - Google Patents

Powder mixing arrangement is used in production of lithium cell cathode material Download PDF

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Publication number
CN210934672U
CN210934672U CN201921936266.1U CN201921936266U CN210934672U CN 210934672 U CN210934672 U CN 210934672U CN 201921936266 U CN201921936266 U CN 201921936266U CN 210934672 U CN210934672 U CN 210934672U
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mixing
mixing drum
powder
cover
drum
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CN201921936266.1U
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杨玺
赵煜
张明宇
黄孟阳
贾开程
赵艳娇
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Yunnan Energy Research Institute Co Ltd
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Yunnan Energy Research Institute Co Ltd
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Abstract

The utility model belongs to the technical field of lithium cell cathode material production technique and specifically relates to a powder mixing arrangement is used in lithium cell cathode material production, including the mixing drum, the support frame is passed through to the bottom of mixing drum and is supported, the cover has been cup jointed to the top screw thread of mixing drum, the feeder hopper is installed on the top of cover, the inside of mixing drum is provided with hoist mechanism. The utility model is provided with the lifting mechanism, so that the powder material at the bottom inside the mixing drum can be lifted to the top end of the mixing drum, and then is conveyed to the bottom inside the mixing drum again through the mixing pipe, thereby effectively improving the uniformity of powder mixing through the circular operation; set up the speed that the powder can be carried in the material mixing pipe for the scraper blade to this efficiency that effectively improves the powder and mixes, simultaneously through setting up stirring vane, can be further mix the stirring to the powder material of mixing drum inside.

Description

Powder mixing arrangement is used in production of lithium cell cathode material
Technical Field
The utility model relates to a lithium cell cathode material production field especially relates to a powder mixing arrangement is used in lithium cell cathode material production.
Background
The lithium ion battery is a new generation of green high-energy battery with excellent performance, and has become one of the key points of high and new technology development. The lithium ion battery has the following characteristics: high voltage, high capacity, low consumption, no memory effect, no public hazard, small volume, small internal resistance, less self-discharge and more cycle times. Because of the above characteristics, lithium ion batteries have been applied to various civil and military fields such as mobile phones, notebook computers, video cameras, digital cameras, and the like. One of the important materials in the lithium battery anode material test is that in the production process of the anode material, the powder material for manufacturing the anode material is usually mixed by using a mixing device, but the existing mixing device has poor mixing uniformity and long time consumption, and the subsequent production quality of the anode material is easily influenced, so that the powder mixing device for producing the lithium battery anode material is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the mixing uniformity is poor and the defect is long in time in the prior art, and providing a powder mixing device for producing lithium battery anode materials.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a lithium cell is powder mixing arrangement for positive electrode material production, includes the mixing drum, the bottom of mixing drum is passed through the support frame and is supported, the cover has been cup jointed to the top screw thread of mixing drum, the feeder hopper is installed on the top of cover, the inside of mixing drum is provided with hoist mechanism, hoist mechanism includes the motor of fixed mounting in the cover top intermediate position, the output shaft of motor runs through the cover and the tip is vertical to be connected with the rotation axis, the rotation axis extends to the mixing drum inside, just the outside of the rotation axis of mixing drum inside is fixed and is cup jointed helical blade, helical blade's outside cover is equipped with a lifting cylinder, leave the clearance between lifting cylinder and the stirring vane, just the top of lifting cylinder is fixed and is cup jointed the adapter plate, the adapter plate is loudspeaker form setting and fixed mounting on the mixing drum inner wall the mixing drum outside on adapter plate top is provided with a plurality of material mixing pipes along the circum, and two ends of the mixing pipe are respectively communicated with the top end and the bottom end of the mixing cylinder.
Preferably, the fixed cover that has cup jointed in the rotation axis outside of accepting the board top, the outside of fixed cover is connected with a plurality of scrapers along the circumferencial direction equidistance, the scraper blade all is the form setting of buckling and with accept board surface contact.
Preferably, the rotating shaft outside of promotion bobbin base portion is connected with a plurality of stirring vane along the circumferencial direction equidistance, leave the clearance between stirring vane and the mixing drum inner wall, just the equal L type setting of stirring vane.
Preferably, a material discharging pipe is vertically communicated with the middle position of the bottom of the mixing barrel, and a control valve is installed on the material discharging pipe.
Preferably, the mixing barrel, the bearing plate and the lifting barrel are of an integrally formed structure and are made of corrosion-resistant metal materials.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model is provided with the lifting mechanism, so that the powder material at the bottom inside the mixing drum can be lifted to the top end of the mixing drum, and then is conveyed to the bottom inside the mixing drum again through the mixing pipe, thereby effectively improving the uniformity of powder mixing through the circular operation;
2. set up the speed that the powder can be carried in the material mixing pipe for the scraper blade to this efficiency that effectively improves the powder and mixes, simultaneously through setting up stirring vane, can be further mix the stirring to the powder material of mixing drum inside.
Drawings
Fig. 1 is a schematic structural view of a powder mixing device for producing a lithium battery cathode material according to the present invention;
fig. 2 is a schematic structural diagram of an outer side of a rotating shaft of the powder mixing device for producing the lithium battery cathode material provided by the present invention;
fig. 3 is the utility model provides a powder mixing arrangement's for lithium cell cathode material production schematic cross-sectional structure diagram.
In the figure: mixing cylinder 1, feed hopper 2, motor 3, cover 4, control valve 5, discharge pipe 6, support frame 7, mixing pipe 8, fixed cover 9, scraper 10, helical blade 11, stirring vane 12, rotation axis 13, bearing plate 14, lifting cylinder 15.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in fig. 1-3, a powder mixing device for producing a lithium battery anode material comprises a mixing cylinder 1, the bottom of the mixing cylinder 1 is supported by a support frame 7, a discharge pipe 6 is vertically communicated with the middle position of the bottom of the mixing cylinder 1, a control valve 5 is installed on the discharge pipe 6, a cylinder cover 4 is sleeved on the top end of the mixing cylinder 1 in a threaded manner, a feed hopper 2 is installed on the top end of the cylinder cover 4, a lifting mechanism is arranged in the mixing cylinder 1 and comprises a motor 3 fixedly installed at the middle position of the top end of the cylinder cover 4, an output shaft of the motor 3 penetrates through the cylinder cover 4, the end part of the output shaft is vertically connected with a rotating shaft 13, the rotating shaft 13 extends into the mixing cylinder 1, a helical blade 11 is fixedly sleeved on the outer side of the rotating shaft 13 in the mixing cylinder 1, a lifting cylinder 15 is sleeved on the outer side of the helical blade 11, a gap is left between the, the bearing plate 14 is arranged in a horn shape and is fixedly installed on the inner wall of the mixing cylinder 1, the bearing plate 14 and the lifting cylinder 15 are of an integrally formed structure and are made of corrosion-resistant metal materials, a plurality of mixing pipes 8 are arranged on the outer side of the mixing cylinder 1 at the top end of the bearing plate 14 at equal intervals along the circumferential direction, and two ends of each mixing pipe 8 are respectively communicated with the top end and the bottom end of the mixing cylinder 1; through setting up feeder hopper 2, thereby can pour powder material into mixing drum 1 inside, be connected motor 3 with external power supply, thereby rotation axis 13 can drive helical blade 11 rotatory, through promoting a section of thick bamboo 15, thereby can promote the powder material of 1 inside bottom of mixing drum to 1 top of mixing drum, can accept the powder material that promotes through accepting board 14 simultaneously, through a plurality of material mixing pipes 8, thereby can carry the powder material on accepting board 14 top to 1 inside bottom of mixing drum again, with this circulation operation effectively improve the degree of consistency that the powder mixes.
The outer side of the rotating shaft 13 above the bearing plate 14 is fixedly sleeved with a fixing sleeve 9, the outer side of the fixing sleeve 9 is connected with a plurality of scrapers 10 at equal intervals along the circumferential direction, and the scrapers 10 are all arranged in a bent shape and are in surface contact with the bearing plate 14; the rotation axis 13 can drive a plurality of scraper blades 10 to rotate simultaneously at rotatory in-process to this accelerates the speed that the material mixing pipe 8 carried the powder, with this efficiency that effectively improves the powder and mixes.
A plurality of stirring blades 12 are equidistantly connected to the outer side of the rotating shaft 13 at the bottom of the lifting cylinder 15 along the circumferential direction, a gap is reserved between each stirring blade 12 and the inner wall of the mixing cylinder 1, and the stirring blades 12 are all arranged in an L shape; the rotating shaft 13 drives the stirring blades 12 to rotate in the rotating process, and the stirring blades 12 in the rotating state can further mix and stir the powder material in the mixing cylinder 1.
The utility model discloses: at first pour powder material into mixing drum 1 inside through feeder hopper 2, promote the powder material of 1 inside bottom of mixing drum to 1 top of mixing drum through hoist mechanism, carry to 1 inside bottom of mixing drum again through mixing tube 8 again, effectively improve the degree of consistency that the powder mixes with this circulation operation, can accelerate the speed that mixing tube 8 carried the powder simultaneously through the scraper blade, effectively improve the efficiency that the powder mixes with this, at last mix the stirring through stirring vane 12 further powder material to 1 inside of mixing drum.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a powder mixing arrangement is used in production of lithium cell cathode material, includes mixing drum (1), the bottom of mixing drum (1) is passed through support frame (7) and is supported, cover (4) have been cup jointed to the top screw thread of mixing drum (1), feeder hopper (2) are installed on the top of cover (4), its characterized in that, the inside of mixing drum (1) is provided with hoist mechanism, hoist mechanism includes motor (3) of fixed mounting in cover (4) top intermediate position, the output shaft of motor (3) runs through cover (4) and the tip is vertically connected with rotation axis (13), rotation axis (13) extend to mixing drum (1) inside, just fixed helical blade (11) of cup jointing in the outside of rotation axis (13) inside mixing drum (1), the outside cover of helical blade (11) is equipped with a promotion section of thick bamboo (15), promote and leave the clearance between a section of thick bamboo (15) and stirring vane (12), just the fixed cover in top of a promotion section of thick bamboo (15) has connect and has accepted board (14), it sets up and fixed mounting is on mixing drum (1) inner wall to accept board (14) the mixing drum (1) outside on board (14) top is provided with a plurality of mixing tube (8) along the circumferencial direction equidistance, mixing tube (8) both ends communicate with the top and the bottom of mixing drum (1) respectively.
2. The powder mixing device for producing the positive electrode material of the lithium battery as claimed in claim 1, wherein a fixing sleeve (9) is fixedly sleeved on the outer side of the rotating shaft (13) above the bearing plate (14), a plurality of scrapers (10) are equidistantly connected to the outer side of the fixing sleeve (9) along a circumferential direction, and the scrapers (10) are all arranged in a bent shape and are in surface contact with the bearing plate (14).
3. The powder mixing device for producing the lithium battery positive electrode material is characterized in that a plurality of stirring blades (12) are equidistantly connected to the outer side of the rotating shaft (13) at the bottom of the lifting cylinder (15) along the circumferential direction, a gap is reserved between each stirring blade (12) and the inner wall of the mixing cylinder (1), and the stirring blades (12) are arranged in an L shape.
4. The powder mixing device for producing the positive electrode material of the lithium battery as claimed in claim 1, wherein a material discharge pipe (6) is vertically communicated with the middle position of the bottom of the mixing cylinder (1), and a control valve (5) is installed on the material discharge pipe (6).
5. The powder mixing device for producing the positive electrode material of the lithium battery as claimed in claim 1, wherein the mixing cylinder (1), the receiving plate (14) and the lifting cylinder (15) are of an integrally formed structure and are made of corrosion-resistant metal materials.
CN201921936266.1U 2019-11-11 2019-11-11 Powder mixing arrangement is used in production of lithium cell cathode material Active CN210934672U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921936266.1U CN210934672U (en) 2019-11-11 2019-11-11 Powder mixing arrangement is used in production of lithium cell cathode material

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Application Number Priority Date Filing Date Title
CN201921936266.1U CN210934672U (en) 2019-11-11 2019-11-11 Powder mixing arrangement is used in production of lithium cell cathode material

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CN210934672U true CN210934672U (en) 2020-07-07

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113368734A (en) * 2021-06-02 2021-09-10 南京安佰思生物科技有限公司 Refining and purifying process and mixing equipment of glycerol glucoside
CN115869829A (en) * 2022-10-28 2023-03-31 江苏国豪耐火科技有限公司 Preparation method and equipment of composite phosphate
CN116393010A (en) * 2023-04-27 2023-07-07 广东海洋大学 Mixed discharging equipment for production

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113368734A (en) * 2021-06-02 2021-09-10 南京安佰思生物科技有限公司 Refining and purifying process and mixing equipment of glycerol glucoside
CN115869829A (en) * 2022-10-28 2023-03-31 江苏国豪耐火科技有限公司 Preparation method and equipment of composite phosphate
CN115869829B (en) * 2022-10-28 2023-10-03 江苏国豪耐火科技有限公司 Preparation method and equipment of composite phosphate
CN116393010A (en) * 2023-04-27 2023-07-07 广东海洋大学 Mixed discharging equipment for production
CN116393010B (en) * 2023-04-27 2023-12-01 广东海洋大学 Mixed discharging equipment for production

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