CN211365017U

CN211365017U - Single-shaft single feeding machine for positive and negative electrode materials of lithium battery

Info

Publication number: CN211365017U
Application number: CN201921644016.0U
Authority: CN
Inventors: 王春燕
Original assignee: Suzhou Xinlicheng Intelligent Equipment Technology Co ltd
Current assignee: Suzhou Xinlicheng Intelligent Equipment Technology Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-08-28
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a single-shaft single feeding machine for positive and negative electrode materials of lithium batteries, which comprises a shell, a charging device, a weighing device and a control device; the shell is provided with a control device, an observation window and a closed safety door; the charging device is arranged at the top of the shell, the weighing device is arranged below the charging device, and the weighing device is fixed at the bottom of the shell; the weighing device comprises a weighing platform, an electric roller, a floating joint, a lifting electric cylinder execution servo motor, a reinforced connecting section bar, a fixed mounting plate, a lifting auxiliary guide pillar, a linear bearing mounting plate and a photoelectric sensor, wherein the weighing sensor is arranged in the weighing platform. The utility model provides a positive negative pole material charging devices of lithium cell, from the stirring of feeding to weighing all be in complete inclosed environment, the utility model discloses the feeding machine has fine stirring effect, makes lithium cell powder not pile up in process of production, does not agglomerate, has guaranteed the quality of product, has also protected personnel's health simultaneously.

Description

Single-shaft single feeding machine for positive and negative electrode materials of lithium battery

Technical Field

The utility model relates to the field of mechanical equipment, concretely relates to single feeding machine of positive negative pole material unipolar of lithium cell.

Background

Lithium batteries (Lithium batteries) refer to batteries in which the electrochemical system contains Lithium (including metallic Lithium, Lithium alloys and Lithium ions, Lithium polymers). The lithium battery has the following advantages: 1. energy ratio is high: has high storage energy density which reaches to 460-600Wh/kg and is about 6-7 times that of the lead-acid battery; 2. the service life is long and can reach more than 6 years, and the battery 1C (100% DOD) taking lithium iron phosphate as the anode is charged and discharged and can be used for 10,000 times; 3. has high power bearing capacity; 4. the self-discharge rate is very low, which is one of the most outstanding advantages of the battery, and currently, the self-discharge rate can be generally below 1%/month, which is less than 1/20 of a nickel-hydrogen battery; 5. the weight is light, and the weight of the lead-acid product is 1/6-1/5 under the same volume; 6. the environment-friendly paint is green and environment-friendly, and does not contain or generate any toxic and harmful heavy metal elements and substances such as lead, mercury, cadmium and the like no matter produced, used and discarded. However, the chemical properties of lithium metal are very active, so that the lithium metal has very high requirements on the environment in processing, storage and use, and therefore, the lithium battery production needs to be carried out under special environmental conditions, and meanwhile, the anode and cathode materials of the lithium battery are corrosive, so that the environment is polluted, and the powder can float to pollute the air and cause harm to human bodies. Lithium cell powder is in process of production, if expose in the air, not only can take place to absorb water the caking for unable stirring, moreover with moisture in the air and carbon dioxide contact reaction can deteriorate, direct influence uses. Therefore, a machine which can be constantly in a closed environment in the production process and reduce the contact with air needs to be developed, so that the health of production personnel can be protected, the material quality can be improved, and the important market prospect is achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single feeding machine of positive negative pole material unipolar of lithium cell from the stirring of feeding to weighing all be in complete inclosed environment, the utility model discloses the feeding machine has fine stirring effect, makes lithium cell powder not pile up in process of production, does not agglomerate, has guaranteed the quality of product, has also protected personnel's health simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a single-shaft single feeding machine for positive and negative electrode materials of a lithium battery comprises a shell, a charging device, a weighing device and a control device;

the shell is provided with a control device, an observation window and a closed safety door;

the charging device is arranged at the top of the shell, the weighing device is arranged below the charging device, and the weighing device is fixed at the bottom of the shell;

the weighing device comprises a weighing platform, an electric roller, a floating joint, a lifting electric cylinder execution servo motor, a reinforced connecting section bar, a fixed mounting plate, a lifting auxiliary guide pillar, a linear bearing mounting plate and a photoelectric sensor, wherein the weighing sensor is arranged in the weighing platform.

Further, the electric roller is fixed above the weighing platform through a connecting plate, and a guide wheel and a photoelectric sensor are also arranged on the connecting plate; the lifting electric cylinder is connected with a floating joint, and the floating joint is arranged below the weighing platform; the lifting electric cylinder executes servo motor control through the lifting electric cylinder; the top of the lifting auxiliary guide pillar is provided with a fixed mounting plate, and the lower part of the lifting auxiliary guide pillar is provided with a linear bearing and a linear bearing mounting plate; and a reinforced connecting section bar is fixed on the linear bearing mounting plate.

Furthermore, the bottom of the weighing device is also provided with a telescopic dust cover.

Further, the number of the photosensors 311 is at least 3.

Furthermore, the number of the lifting auxiliary guide pillars is 4, and the number of the reinforced connecting section bars is 4.

Further, the charging device comprises a screw rod motor, a machine head mounting seat, a driving bevel gear, a charging opening, an air vent, a stirring shaft motor, a bin cover plate, a bin, a dual-drive main shaft, a screw rod and a material level instrument, wherein the driving bevel gear is connected with the stirring shaft motor; the stock bin is connected with the discharge hole through a quick clamping joint; and the wall of the discharge hole is provided with an anti-falling shutter, a dust suction pipe and a rotary cylinder.

Furthermore, the anti-falling shutter is in a turnover type, so that the space can be saved, and the anti-falling effect is good.

Furthermore, the number of the dust suction pipes is at least 2.

Furthermore, be provided with first stirring rod and second stirring rod on the dual drive main shaft, first stirring rod with the second stirring rod is the plough form, prevents that the material from bridging, strickles off the material and piles up the repose angle.

Advantageous effects

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses charging device's stirring sets up to plough formula, and the even material that prevents bridges during the stirring scrapes the material angle of repose.

2. The utility model discloses be provided with on the discharge gate pipe wall and prevent the blanking shutter, for convertible, not only practice thrift the space, prevent moreover that the blanking is effectual.

3. The utility model discloses still be provided with the dust absorption pipe at the discharge gate end, can absorb the material that falls down, resources are saved, and keep device's clean and tidy.

4. The utility model is in a closed space from feeding to weighing to discharging in the whole process, thereby protecting the health of production personnel on one hand, reducing the contact between lithium battery powder and air on the other hand, reducing the absorption of moisture and preventing caking; prevent the material from being deteriorated by contact reaction with carbon dioxide and improve the quality of the material.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of the internal structure of the present invention.

Fig. 3 is a top view of the internal structure of the present invention.

Fig. 4 is a perspective view of the charging device of the present invention.

Fig. 5 is a perspective view of the internal structure of the charging device of the present invention.

Fig. 6 is a perspective view of the weighing apparatus of the present invention.

Fig. 7 is a side view of the weighing apparatus of the present invention.

Fig. 8 is a bottom perspective view of the weighing apparatus of the present invention.

In the figure: 1. a housing; 2. a charging device; 3. a weighing device; 4. a control device; 5. an observation window; 6. sealing the safety door; 201. a screw motor; 202. a machine head mounting seat; 203. a driving bevel gear; 204. a feed inlet; 205. air holes are formed; 206. a stirring shaft motor; 207. a cover plate of the storage bin; 208. a storage bin; 209. a dual drive spindle; 210. a screw rod; 211. a quick-snap connector; 212. a discharge port; 213. a drop-proof shutter; 214. a dust collection pipe; 215. a rotating cylinder; 216. a first stirring rod; 217. a second stirring rod; 218. a material level meter; 301. a weighing platform; 302. an electric roller; 303. a floating joint; 304. a lifting electric cylinder; 305. the lifting electric cylinder executes a servo motor; 306. reinforcing the connecting section bar; 307. fixing the mounting plate; 308. lifting auxiliary guide pillars; 309. a linear bearing; 310. a linear bearing mounting plate; 311. a photosensor; 312. a weighing sensor; 313. a telescopic dust cover.

Detailed Description

The present invention is further described below with reference to specific examples, which are only exemplary and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications are intended to be included within the scope of the invention.

As shown in fig. 1-4, a single-shaft single feeder for positive and negative electrode materials of a lithium battery comprises a shell 1, a charging device 2, a weighing device 3 and a control device 4; the shell 1 is provided with a control device 4, an observation window 5 and a closed safety door 6; the observation window 5 is transparent, so that the operation conditions of the charging device 2 and the weighing device 3 can be observed at any time; the closed safety door 6 is opened when the carrier enters, and is closed after entering to form a closed space; the charging device 2 is arranged at the top of the shell 1, the weighing device 3 is arranged below the charging device, and the weighing device 3 is fixed at the bottom of the shell 1; the weighing device 3 comprises a weighing platform 301, an electric roller 302, a floating joint 303, an electric lifting cylinder 304, an electric lifting cylinder execution servo motor 305, a reinforced connecting section bar 306, a fixed mounting plate 307, an auxiliary lifting guide pillar 308, a linear bearing 309, a linear bearing mounting plate 310 and a photoelectric sensor 311, wherein a weighing sensor 312 is arranged in the weighing platform 301. The electric roller 302 is fixed above the weighing platform 301 through a connecting plate and used for transferring carriers, the connecting plate is also provided with a guide wheel and 3 photoelectric sensors 311, the guide wheel can fix the carriers to move in parallel so as to avoid position deviation in the moving process, and the photoelectric sensors 311 can detect the carriers with different shapes and charge according to corresponding weight set by a program; the lifting electric cylinder 304 is connected with the floating joint 303, and the floating joint 303 is arranged below the weighing platform 301; the lifting electric cylinder 304 is controlled by a lifting electric cylinder execution servo motor 305; the top parts of the 4 lifting auxiliary guide columns 308 are provided with fixed mounting plates 307, and the lower parts of the 4 lifting auxiliary guide columns are provided with linear bearings 309 and linear bearing mounting plates 310; the linear bearing mounting plate 310 is fixed with 4 reinforcing connecting section bars 306. The bottom of the weighing device 3 is also provided with a telescopic dust cover 313. The charging device 2 comprises a screw rod motor 201, a machine head mounting seat 202, a driving bevel gear 203, a charging opening 204, an air vent 205, a stirring shaft motor 206, a bin cover plate 207, a bin 208, a dual-drive main shaft 209, a screw rod 210 and a level gauge 218, wherein the charging opening 204 is inclined so as to facilitate charging; the driving bevel gear 203 is connected with the stirring shaft motor 206; the bin 208 is connected with the discharge port 212 through the quick clamping connector 211, the discharge port 212 is close to the carrier, the weighing platform 301 descends in the charging process, the distance between the top of the powder and the discharge port 212 is consistent all the time, the falling distance of the powder can be reduced, and the flying dust is reduced; the quick clamping joint 211 is convenient and quick to disassemble, assemble and maintain; the pipe wall of the discharge port 212 is provided with the

anti-falling shutter

213, 2 dust suction pipes 214 and the rotary cylinder 215, the anti-falling shutter 213 is of a turnover type, space can be saved, the anti-falling effect is good, and the dust suction pipes 214 can suck falling materials. The dual-drive main shaft 209 is provided with a first stirring rod 216 and a second stirring rod 217, and the first stirring rod 216 and the second stirring rod 217 are in a plow shape, so that the bridging of materials can be prevented, and the stacking angle of repose of the materials can be flattened.

Claims

1. A single-shaft single feeding machine for positive and negative electrode materials of a lithium battery is characterized by comprising a shell (1), a charging device (2), a weighing device (3) and a control device (4);

the shell (1) is provided with a control device (4), an observation window (5) and a closed safety door (6);

the charging device (2) is arranged at the top of the shell (1), the weighing device (3) is arranged below the charging device, and the weighing device (3) is fixed at the bottom of the shell (1);

the weighing device (3) comprises a weighing platform (301), an electric roller (302), a floating joint (303), a lifting electric cylinder (304), a lifting electric cylinder execution servo motor (305), a reinforced connecting section bar (306), a fixed mounting plate (307), a lifting auxiliary guide post (308), a linear bearing (309), a linear bearing mounting plate (310) and a photoelectric sensor (311), wherein a weighing sensor (312) is arranged in the weighing platform (301).

2. The single-shaft single feeding machine for the positive and negative electrode materials of the lithium battery as claimed in claim 1, wherein the electric roller (302) is fixed above the weighing platform (301) through a connecting plate, and a guide wheel and a photoelectric sensor (311) are further arranged on the connecting plate; the lifting electric cylinder (304) is connected with a floating joint (303), and the floating joint (303) is arranged below the weighing platform (301); the lifting electric cylinder (304) is controlled by a lifting electric cylinder execution servo motor (305); the top of the lifting auxiliary guide post (308) is provided with a fixed mounting plate (307), and the lower part of the lifting auxiliary guide post is provided with a linear bearing (309) and a linear bearing mounting plate (310); and a reinforcing connecting section bar (306) is fixed on the linear bearing mounting plate (310).

3. The single-shaft single feeding machine for the positive and negative electrode materials of the lithium battery as claimed in claim 1, wherein a telescopic dust cover (313) is further arranged at the bottom of the weighing device (3).

4. The uniaxial single feeder for positive and negative electrode materials of lithium batteries as claimed in claim 2, wherein the number of the photoelectric sensors (311) is at least 3.

5. The single-shaft single feeding machine for the positive and negative electrode materials of the lithium battery as claimed in claim 2, wherein the number of the lifting auxiliary guide posts (308) is 4, and the number of the reinforcing connecting profiles (306) is 4.

6. The single-shaft single feeding machine for the positive and negative electrode materials of the lithium battery as claimed in claim 1, wherein the charging device (2) comprises a screw rod motor (201), a machine head mounting seat (202), a driving bevel gear (203), a charging opening (204), an air vent (205), a stirring shaft motor (206), a bin cover plate (207), a bin (208), a dual-driving spindle (209), a screw rod (210) and a level meter (218), wherein the driving bevel gear (203) is connected with the stirring shaft motor (206); the bin (208) is connected with the discharge hole (212) through a quick clamping joint (211); and the wall of the discharge hole (212) is provided with an anti-falling shutter (213), a dust suction pipe (214) and a rotary cylinder (215).

7. The single-shaft single feeding machine for the positive and negative electrode materials of the lithium battery as claimed in claim 6, wherein the anti-blanking shutter (213) is of a flip type.

8. The single-shaft single-feeder for positive and negative electrode materials of lithium batteries according to claim 6, wherein the number of the dust suction pipes (214) is at least 2.

9. The single-shaft single-feeder for the positive and negative electrode materials of the lithium battery as claimed in claim 6, wherein the dual-drive spindle (209) is provided with a first stirring rod (216) and a second stirring rod (217), and the first stirring rod (216) and the second stirring rod (217) are plow-shaped.