CN216173587U

CN216173587U - Coating device for graphene lithium battery pole piece

Info

Publication number: CN216173587U
Application number: CN202122750260.9U
Authority: CN
Inventors: 胡问华
Original assignee: Sichuan Ceneng New Energy Technology Co ltd
Current assignee: Sichuan Ceneng New Energy Technology Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-05
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a coating device for a graphene lithium battery pole piece, which comprises a frame body, wherein a sliding block is connected to the inner top surface of the frame body in a sliding manner, a first cylinder and a cylinder are installed on the bottom surface of the sliding block, a plurality of spray heads are installed on the bottom surface of the first cylinder, a movable rod is inserted in the cylinder, and a scraper is installed on the bottom surface of the movable rod; install two telescopic links on the interior top surface of support body, install the connecting plate on the extension end of telescopic link, two install the depression bar on the relative one side of connecting plate, two all the cover is equipped with the spring on the telescopic link. According to the utility model, the compression rods are pressed at the two ends of the pole piece, and the spring can continuously push the connecting plate, so that the compression rods compress the pole piece, thereby avoiding the influence on the coating effect caused by the displacement of the pole piece during coating; the distance between the scraper and the pole piece is adjusted as required, then the sliding block is moved to drive the scraper to move, so that the slurry on the pole piece is uniformly spread by the scraper, and the thickness of the slurry coated on the pole piece is consistent.

Description

Coating device for graphene lithium battery pole piece

Technical Field

The utility model relates to the technical field of lithium battery production, in particular to a coating device for a graphene lithium battery pole piece.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and is a very hot topic in the field of the current batteries. The lithium battery pole piece is an important component of the lithium battery and is the core of the lithium battery, active materials are generally coated on the lithium battery pole piece in the production and manufacturing process of the lithium battery pole piece, and then the coating process of the lithium battery pole piece is realized through drying.

In the prior art, when a coating device is used for coating the lithium battery pole piece, the following defects exist:

firstly, when coating operation is carried out, the pole piece is easy to displace, so that the coating effect is poor and the coating efficiency is low;

secondly, the condition of uneven coating often occurs in the coating process, and the yield of the lithium battery is affected;

and thirdly, an active drying mechanism is lacked, and only natural drying is adopted, so that the drying time of the coated slurry is too long, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coating device for a graphene lithium battery pole piece, which is used for solving at least one technical problem.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a coating device for graphene lithium battery pole pieces comprises a frame body, wherein a sliding block is connected to the inner top surface of the frame body in a sliding mode, a first cylinder and a cylinder are mounted on the bottom surface of the sliding block, a plurality of spray heads are mounted on the bottom surface of the first cylinder, a material box is mounted on the top surface of the frame body, a material conveying hose is mounted on the material box, the other end of the material conveying hose is fixedly connected and communicated with the first cylinder, a movable rod is inserted into the cylinder, a scraping plate is mounted on the bottom surface of the movable rod, a jacking bolt is connected to the cylinder in a threaded mode and is in contact with the movable rod; install two telescopic links on the interior top surface of support body, install the connecting plate on the extension end of telescopic link, two install the depression bar on the relative one side of connecting plate, two all the cover is equipped with the spring on the telescopic link.

Preferably, the inner bottom surface of the frame body is provided with a slide rail, and the slide block is connected with the slide rail in a sliding manner.

Preferably, install second barrel and third barrel on the interior left side wall and the interior right side wall of support body respectively, install a plurality of air cocks on the second barrel, install a plurality of air suction hoppers on the third barrel.

Preferably, a box body is installed on the bottom surface of the frame body, a second connecting pipe is installed on the right side surface of the box body, the other end of the second connecting pipe penetrates through one side of the frame body and is fixedly connected and communicated with the third cylinder body, a first connecting pipe is installed on the left side surface of the box body, and the other end of the first connecting pipe penetrates through one side of the frame body and is fixedly connected and communicated with the second cylinder body; a partition plate and a fan are installed in the box body, and an air outlet pipe of the fan penetrates through the partition plate.

Preferably, the right side of fan is provided with two active carbon adsorption boards, two the active carbon adsorption board all with the inner wall fixed connection of box.

Preferably, a heating wire is installed in the box body and is located on the left side of the fan.

The utility model has the beneficial effects that:

1. according to the utility model, by arranging the telescopic rod, the spring, the connecting plate and the pressure rod, the pressure rod is pressed at the two ends of the pole piece and is influenced by the resilience force of the spring, the spring can continuously push the connecting plate, so that the pressure rod can tightly press the pole piece, and the influence on the coating effect caused by the displacement of the pole piece during coating is avoided; through setting up drum, movable rod, scraper blade, adjust the interval between scraper blade and the pole piece as required, then remove the slider and drive the scraper blade and remove, make the thick liquids of scraper blade on with the pole piece stand in the equal, make the thick liquids thickness of pole piece coating unanimous.

2. According to the utility model, the box body, the fan, the second cylinder body, the third cylinder body, the air nozzles, the air suction hopper, the first connecting pipe and the second connecting pipe are arranged, the fan is started, the exhaust pipe of the fan sucks waste gas generated by spraying into the box body through the second connecting pipe, the third cylinder body and the air suction hopper, the air outlet pipe of the fan conveys air into the second cylinder body through the first connecting pipe, and then the air is blown out through the plurality of air nozzles, so that the flow of air around the pole piece is accelerated, the drying of slurry coated on the pole piece is accelerated, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 3 is a front view of the present invention;

reference numerals: 1. a frame body; 3. a first cylinder; 4. a spray head; 5. a material box; 6. a delivery hose; 7. a telescopic rod; 8. a connecting plate; 9. a pressure lever; 10. a spring; 11. a box body; 12. a partition plate; 13. a fan; 14. an activated carbon adsorption plate; 15. heating wires; 17. a second cylinder; 18. a third cylinder; 19. an air tap; 20. an air suction hopper; 21. a first connecting pipe; 22. a second connecting pipe; 23. a slide rail; 24. a slider; 25. a cylinder; 26. a movable rod; 27. a squeegee; 28. jacking the bolt; 30. and (6) pole pieces.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

Examples

As shown in fig. 1-3, a coating device for graphene lithium battery pole pieces comprises a frame body 1, a slider 24 is connected to the inner top surface of the frame body 1 in a sliding manner, a first cylinder 3 and a cylinder 25 are installed on the bottom surface of the slider 24, a plurality of spray heads 4 are installed on the bottom surface of the first cylinder 3, a material box 5 is installed on the top surface of the frame body 1, a material conveying hose 6 is installed on the material box 5, the other end of the material conveying hose 6 is fixedly connected and communicated with the first cylinder 3, a movable rod 26 is inserted into the cylinder 25, a scraper 27 is installed on the bottom surface of the movable rod 26, a tightening bolt 28 is connected to the cylinder 25 in a threaded manner, and the tightening bolt 28 is in contact with the movable rod 26; install two telescopic links 7 on the interior top surface of support body 1, install connecting plate 8 on the extension end of telescopic link 7, install depression bar 9 on two relative one sides of connecting plate 8, all overlap on two telescopic links 7 and be equipped with spring 10.

In this embodiment, specifically, a slide rail 23 is installed on the inner bottom surface of the frame body 1, and the slide block 24 is slidably connected with the slide rail 23; through setting up slide rail 23, be convenient for slider 24 at the interior top surface removal of support body 1.

In this embodiment, specifically, a second cylinder 17 and a third cylinder 18 are respectively installed on the inner left side wall and the inner right side wall of the frame body 1, a plurality of air nozzles 19 are installed on the second cylinder 17, and a plurality of air suction hoppers 20 are installed on the third cylinder 18; through setting up second barrel 17 and air cock 19, through conveying gas in to second barrel 17, make gas blow out through a plurality of air cocks 19 to accelerate the flow of the peripheral air of pole piece 30, thereby make the thick liquids rapid draing of spraying on the pole piece 30, thereby improved the efficiency of production.

In this embodiment, specifically, a box body 11 is installed on the bottom surface of the frame body 1, a second connecting pipe 22 is installed on the right side surface of the box body 11, the other end of the second connecting pipe 22 penetrates through one side of the frame body 1 and is fixedly connected and communicated with a third cylinder 18, a first connecting pipe 21 is installed on the left side surface of the box body 11, and the other end of the first connecting pipe 21 penetrates through one side of the frame body 1 and is fixedly connected and communicated with a second cylinder 17; a partition plate 12 and a fan 13 are installed in the box body 11, and an air outlet pipe of the fan 13 penetrates through the partition plate 12; through setting up baffle 12 and fan 13, during the use, through starting fan 13, make the exhaust pipe of fan 13 through second connecting pipe 22, third barrel 18, inhale in the hopper 20 will inhale box 11 because of the waste gas that the spraying produced, and the play tuber pipe of fan 13 can carry the air in the second barrel 17 through first connecting pipe 21, and then blows out through a plurality of air nozzles 19 to accelerate the flow of the peripheral air of pole piece 30.

In this embodiment, specifically, two activated carbon adsorption plates 14 are arranged on the right side of the fan 13, and both the two activated carbon adsorption plates 14 are fixedly connected with the inner wall of the box body 11; through setting up activated carbon adsorption plate 14, can adsorb the waste gas that enters into in box 11 to reduce the influence of waste gas to ambient environment.

In this embodiment, specifically, a heating wire 15 is installed in the box body 11, and the heating wire 15 is located on the left side of the fan 13; through setting up heater strip 15, be convenient for heat the air that enters into first connecting pipe 21, in the second barrel 17 to improve the temperature that air cock 19 blew out the air, thereby accelerate the thick liquids drying on the pole piece 30.

The working principle is as follows: when specifically using, place on the interior bottom surface of support body 1 through the lithium-ion battery pole piece 30 that will need the coating, then press depression bar 9 at the both ends of pole piece 30, receive spring 10's resilience force influence, spring 10 can continuously promote connecting plate 8 downstream, and then make depression bar 9 continuously compress tightly pole piece 30 to avoid influencing the effect of coating because of pole piece 30 takes place the displacement when the coating.

Then, as required, the distance between the scraper 27 and the pole piece 30 is adjusted, after the adjustment is completed, the puller bolt 28 is rotated to enable the puller bolt 28 to abut against the movable rod 26, so that the movable rod 26 cannot move up and down, the distance between the scraper 27 and the pole piece 30 is fixed, then the slurry in the bin 5 is conveyed into the first cylinder 3 through the delivery hose 6 by starting a pump (not shown) in the bin 5, the slurry is sprayed on the pole piece 30 through the plurality of spray heads 4, then the slider 24 is moved to drive the first cylinder 3 and the spray heads 4 to move, so that the spray heads 4 perform spraying while moving, the cylinder 25, the movable rod 26 and the scraper 27 are also driven to move along with the movement of the slider 24, and the moving scraper 27 evenly spreads the slurry on the pole piece 30, so that the thickness of the slurry coated on the pole piece 30 is consistent.

After coating is finished, the fan 13 and the heating wire 15 are started, so that exhaust gas generated by spraying is sucked into the box body 11 through the second connecting pipe 22, the third cylinder 18 and the air suction hopper 20 by an exhaust pipe of the fan 13, air is conveyed into the second cylinder 17 through the first connecting pipe 21 by an air outlet pipe of the fan 13 and is blown out through the plurality of air nozzles 19, and therefore the flow of air around the pole piece 30 is accelerated, the drying of slurry coated on the pole piece 30 is accelerated, and the production efficiency is improved; and the heating wire 15 heats the air blown out from the air outlet pipe of the fan 13, so that the heated air enters the first connecting pipe 21 and the second cylinder 17, the temperature of the air blown out from the air nozzle 19 is increased, and the drying of the slurry on the pole piece 30 is accelerated.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a graphite alkene lithium-ion battery pole piece's coating device, includes support body (1), its characterized in that: the improved feed bin is characterized in that a sliding block (24) is connected to the inner top surface of the frame body (1) in a sliding mode, a first barrel body (3) and a cylinder (25) are installed on the bottom surface of the sliding block (24), a plurality of spray heads (4) are installed on the bottom surface of the first barrel body (3), a feed bin (5) is installed on the top surface of the frame body (1), a feed delivery hose (6) is installed on the feed bin (5), the other end of the feed delivery hose (6) is fixedly connected and communicated with the first barrel body (3), a movable rod (26) is inserted into the cylinder (25), a scraping plate (27) is installed on the bottom surface of the movable rod (26), a puller bolt (28) is connected to the cylinder (25) in a threaded mode, and the puller bolt (28) is in contact with the movable rod (26); install two telescopic links (7) on the interior top surface of support body (1), install connecting plate (8), two on the extension end of telescopic link (7) install depression bar (9), two on the relative one side of connecting plate (8) all the cover is equipped with spring (10) on telescopic link (7).

2. The coating device of the graphene lithium battery pole piece as claimed in claim 1, wherein: install slide rail (23) on the interior bottom surface of support body (1), slider (24) and slide rail (23) sliding connection.

3. The coating device of the graphene lithium battery pole piece as claimed in claim 1, wherein: install second barrel (17) and third barrel (18) on the interior left side wall and the interior right side wall of support body (1) respectively, install a plurality of air cocks (19) on second barrel (17), install a plurality of air suction fill (20) on third barrel (18).

4. The coating device of the graphene lithium battery pole piece as claimed in claim 3, wherein: a box body (11) is mounted on the bottom surface of the frame body (1), a second connecting pipe (22) is mounted on the right side surface of the box body (11), the other end of the second connecting pipe (22) penetrates through one side of the frame body (1) and is fixedly connected and communicated with a third cylinder body (18), a first connecting pipe (21) is mounted on the left side surface of the box body (11), and the other end of the first connecting pipe (21) penetrates through one side of the frame body (1) and is fixedly connected and communicated with a second cylinder body (17); install baffle (12) and fan (13) in box (11), the play tuber pipe of fan (13) runs through baffle (12).

5. The coating device of the graphene lithium battery pole piece as claimed in claim 4, wherein: the right side of fan (13) is provided with two active carbon adsorption board (14), two active carbon adsorption board (14) all with the inner wall fixed connection of box (11).

6. The coating device of the graphene lithium battery pole piece as claimed in claim 5, wherein: install heater strip (15) in box (11), heater strip (15) are located the left side of fan (13).