CN219112098U

CN219112098U - Coating mechanism for dry electrode preparation

Info

Publication number: CN219112098U
Application number: CN202320087872.0U
Authority: CN
Inventors: 孙贯英; 高亚辉; 陈肯; 李远锋; 王文豪
Original assignee: Luoyang Juntaike Intelligent Technology Co ltd
Current assignee: Luoyang Juntaike Intelligent Technology Co ltd
Priority date: 2023-01-30
Filing date: 2023-01-30
Publication date: 2023-06-02
Anticipated expiration: 2033-01-30

Abstract

The utility model discloses a coating mechanism for dry electrode preparation, which comprises a supporting mechanism and a stirring powder preparation mechanism arranged on the supporting mechanism and used for stirring powder, wherein one side of the stirring powder preparation mechanism is provided with a coating flattening mechanism, the supporting mechanism is connected with the stirring powder preparation mechanism and the coating flattening mechanism, the stirring powder preparation mechanism comprises a stirring motor, the shaft end of the stirring motor is inserted with a stirring blade, and the stirring motor is welded on a temperature-control stirring tank. According to the utility model, quantitative powder can be coated on the aluminum foil through the grooves in the separating roller, so that the use level is kept uniform, the powder can be uniformly pressed on the aluminum foil by utilizing the pressing motor to drive the pressing roller to rotate, the coating quality is improved, the accurate distance between the pressing rollers is regulated by utilizing the lead screw, the coating material can be pressed to a specified thickness, and the coating material can be flattened to different thicknesses.

Description

Coating mechanism for dry electrode preparation

Technical Field

The utility model relates to the field of dry electrode preparation, in particular to a coating mechanism for dry electrode preparation.

Background

In the process of preparing a dry electrode, active substances, conductive agents and additives are required to be uniformly mixed, then PTFE adhesive is added, stirring is performed uniformly, then the temperature is regulated, standing is performed to fiberize powder, then the powder is coated on an aluminum foil, but the coating dosage is not easy to control during coating, and the phenomenon of coating non-uniformity is easy to occur, the utility model of the prior publication No. CN111085394A mainly comprises a dipping coating unit and a film thickness control unit which are sequentially arranged along the travelling direction of a diaphragm, the film thickness control unit comprises a plurality of liquid transferring rollers for transferring slurry from the surface of the diaphragm, the liquid transferring rollers are symmetrically and alternately arranged at two sides of the diaphragm, one side of the liquid transferring rollers, which is away from the diaphragm, is provided with a negative pressure suction device and the like, the coating device is used for coating two sides of the diaphragm at one time, the production efficiency of coating is greatly improved, and the coating dosage is convenient and accurate to control the thickness of the coating through adjusting the parameters of the liquid transferring rollers and the coating angle of the diaphragm, but the coating non-uniformity is easy to influence the coating quality.

Disclosure of Invention

The present utility model has an object to provide a coating mechanism for dry electrode production in order to solve the above-mentioned problems.

The utility model realizes the above purpose through the following technical scheme:

the coating mechanism for the dry electrode preparation comprises a supporting mechanism and further comprises a stirring powder preparation mechanism arranged on the supporting mechanism and used for stirring powder, wherein one side of the stirring powder preparation mechanism is provided with a coating flattening mechanism, and the supporting mechanism is connected with the stirring powder preparation mechanism and the coating flattening mechanism;

stirring powder process mechanism includes agitator motor, agitator motor axle head grafting has stirring vane, agitator motor welding is on accuse temperature agitator tank, accuse temperature agitator tank upside welding has active material storage tank, conductive agent storage tank, additive storage tank, PTFE adhesive storage tank, the welding has the accuse temperature pipe in the accuse temperature agitator tank, accuse temperature agitator tank bottom rotates and is connected with the tube sealing lid, the tube sealing is covered and is rotated and be connected with push-and-pull pneumatic cylinder.

Further set up: the supporting mechanism is in including the welding the lower hopper of accuse temperature agitator tank downside, it has the control screen to peg graft in accuse temperature agitator tank one side, lower hopper downside welding has the case that gathers materials, the case that gathers materials welds on the support frame, support frame one side welding has the support that flattens, sliding connection has the lifting slide block on the support that flattens, sliding mounting has the polished rod on the lifting slide block, install the lead screw on the support that flattens, the lead screw axle head peg graft has the hand wheel.

Further set up: the coating flattening mechanism comprises a material distributing roller and a material pressing roller which are rotatably connected to a supporting frame, the upper side of the material distributing roller is provided with a material collecting box, one end of the material distributing roller penetrates through the supporting frame to be connected with a first transmission gear in an inserting mode, one end of the material pressing roller penetrates through the supporting frame to be connected with a second transmission gear in an inserting mode, the other end of the material pressing roller penetrates through the supporting frame to be connected with the shaft end of a material pressing motor, a flattening support is rotatably connected with a flattening roller on a lifting sliding block, one end of the flattening roller penetrates through the flattening support to be provided with a rotary motor, and the rear side of the supporting frame is rotatably connected with an aluminum foil material roll.

Further set up: the temperature control pipes are distributed on the inner side of the temperature control stirring tank in a circumferential array.

Further set up: and the inside of the tube sealing cover is filled with heat insulation materials.

Further set up: the screw rod penetrates through the lifting sliding block and is in rotary connection with the flattening bracket.

Further set up: the first transmission gear is meshed with the second transmission gear.

Further set up: the material distributing roller is provided with a material groove, and is rotationally connected with the material collecting box.

Compared with the prior art, the utility model has the following beneficial effects:

the quantitative powder can be coated on the aluminum foil through the grooves in the distributing roller, the usage amount is kept uniform, the powder can be uniformly compressed on the aluminum foil by utilizing the pressing motor to drive the pressing roller to rotate, the coating quality is improved, the coating material can be pressed to a specified thickness by utilizing the screw to adjust the precise distance between the pressing rollers, and the coating material can be flattened to different thicknesses.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is an isometric view of a dry electrode preparation coating mechanism according to the present utility model;

FIG. 2 is a schematic view, partly in section, of a coating mechanism for dry electrode preparation according to the present utility model;

FIG. 3 is a schematic top view of a dry electrode preparation coating mechanism according to the present utility model;

FIG. 4 is a schematic view showing a partially sectioned structure of a supporting mechanism of a coating mechanism for dry electrode preparation according to the present utility model;

fig. 5 is a schematic view showing a partially sectional structure of a coating flattening mechanism of a coating mechanism for dry electrode preparation according to the present utility model.

The reference numerals are explained as follows:

1. a support mechanism; 11. a support frame; 12. flattening the bracket; 13. a temperature-controlled stirring tank; 14. a control screen; 15. discharging a hopper; 16. a screw rod; 17. a lifting slide block; 18. a hand wheel; 19. a polish rod; 2. stirring and pulverizing mechanism; 21. a stirring motor; 22. an active material storage tank; 23. a conductive agent storage tank; 24. an additive storage tank; 25. a PTFE adhesive storage tank; 26. a temperature control tube; 27. stirring blades; 28. a tube sealing cover; 29. a push-pull hydraulic cylinder; 3. a coating flattening mechanism; 31. a material collecting box; 32. a material distributing roller; 33. a first transmission gear; 34. a second transmission gear; 35. flattening rollers; 36. a rotary motor; 37. a pressing roller; 38. a pressing motor; 39. and (5) aluminum foil material rolls.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1-5, a coating mechanism for dry electrode preparation comprises a supporting mechanism 1, and further comprises a powder stirring and making mechanism 2 arranged on the supporting mechanism 1 and used for stirring powder, wherein one side of the powder stirring and making mechanism 2 is provided with a coating flattening mechanism 3, and the supporting mechanism 1 is connected with the powder stirring and making mechanism 2 and the coating flattening mechanism 3;

in this embodiment: the supporting mechanism 1 comprises a blanking hopper 15 welded on the lower side of a temperature control stirring tank 13, the temperature control stirring tank 13 is used for containing powder, the blanking hopper 15 is used for conveying the fibrillated powder to a material collecting box 31, one side of the temperature control stirring tank 13 is inserted with a control screen 14, the control screen 14 is used for displaying temperature, the control screen 14 controls the temperature in the temperature control stirring tank 13 through a temperature control pipe 26, the lower side of the blanking hopper 15 is welded with a material collecting box 31, the material collecting box 31 is used for storing the fibrillated powder, the material collecting box 31 is welded on a supporting frame 11, the supporting frame 11 is used for supporting the whole device, one side of the supporting frame 11 is welded with a flattening bracket 12, the flattening bracket 12 is used for supporting flattening rollers 35, the flattening rollers 35 are used for pressing a coating film to a specified thickness, the flattening bracket 12 is connected with a lifting slide block 17 in a sliding manner, the lifting slide block 17 is used for driving the flattening rollers 35 to move up and down to adjust the flattening thickness, the lifting slide block 17 is provided with a polished rod 19 in a sliding manner, the polished rod 19 is used for limiting the moving direction of the lifting slide block 17, a lead screw 16 is installed on the flattening bracket 12, the lead screw 16 is driven by rotating and drives the lifting slide block 17 to move up and down, the lifting slide block 16 passes through the lifting slide block 17 and the lifting slide 16 to rotate, the lifting slide block 16 is used for driving a hand screw 18 to rotate, and a lead screw 18 is connected with a hand screw 18 to rotate and a lead screw 18;

in this embodiment: the stirring powder making mechanism 2 comprises a stirring motor 21, the stirring motor 21 is used for driving a stirring blade 27 to rotate so as to uniformly mix coating powder, the stirring blade 27 is inserted into the shaft end of the stirring motor 21, the stirring motor 21 is welded on a temperature-controlled stirring tank 13, an active substance storage tank 22, a conductive agent storage tank 23, an additive storage tank 24 and a PTFE adhesive storage tank 25 are welded on the upper side of the temperature-controlled stirring tank 13, the active substance storage tank 22 is used for storing active substances, the conductive agent storage tank 23 is used for storing conductive agents, the additive storage tank 24 is used for storing additives, the PTFE adhesive storage tank 25 is used for storing PTFE adhesives, a temperature-controlled pipe 26 is welded in the temperature-controlled stirring tank 13, the temperature-controlled pipe 26 is used for controlling the temperature in the temperature-controlled stirring tank 13, the temperature-controlled pipe 26 is distributed on the inner side of the temperature-controlled stirring tank 13 in a circumferential array, a pipe sealing cover 28 is rotationally connected to the bottom of the temperature-controlled stirring tank 13, the pipe sealing cover 28 is used for preventing the coating powder from entering a material collecting box 31 before fiberization, a thermal insulation material is filled in the sealing cover 28, a hydraulic cylinder 29 is rotationally connected to the sealing cover 28, and the hydraulic cylinder 29 is used for controlling the opening and closing of the sealing cover 28;

in this embodiment: the coating flattening mechanism 3 comprises a material distributing roller 32 and a material pressing roller 37 which are rotatably connected to the supporting frame 11, wherein the material distributing roller 32 is used for uniformly placing fixed powder on an aluminum foil, the material pressing roller 37 is used for uniformly pressing the powder on the aluminum foil, a material collecting box 31 is arranged on the upper side of the material distributing roller 32, a material groove is formed in the material distributing roller 32, the material distributing roller 32 is rotatably connected with the material collecting box 31, one end of the material distributing roller 32 penetrates through the supporting frame 11 and is connected with a first transmission gear 33 in an inserted mode, the first transmission gear 33 is used for driving the material distributing roller 32 to rotate, one end of the material pressing roller 37 penetrates through the supporting frame 11 and is connected with a second transmission gear 34 in an inserted mode, the second transmission gear 34 is used for driving the first transmission gear 33 to be meshed with the second transmission gear 34, the other end of the material pressing roller 37 penetrates through the supporting frame 11 and is connected with a shaft end of a material pressing motor 38, the material pressing motor 38 is used for driving the material pressing roller 37 to rotate, the second transmission gear 34 is rotatably driven by the material pressing roller 37, the flattening frame 12 and the lifting slider 17 are rotatably connected with a flattening roller 35, one end of the roller 35 penetrates through the flattening frame 12 and is rotatably provided with a rotary motor 36, and the second transmission motor 36 is rotatably driven by the aluminum foil 35 to rotate, and the aluminum foil is rotatably connected with the aluminum foil side after the aluminum foil is rotatably driven by the rolling roller 39.

The working principle and the use flow of the utility model are as follows: the needed ingredients are respectively and correspondingly placed in an active substance storage tank 22, a conductive agent storage tank 23, an additive storage tank 24 and a PTFE adhesive storage tank 25, then a control screen 14 controls the active substance storage tank 22, the additive storage tank 24 and the conductive agent storage tank 23 to put equal proportion of powder into a temperature control stirring tank 13, then a stirring motor 21 is started, the stirring motor 21 drives a stirring blade 27 to rotate to decompose and uniformly mix, then the PTFE adhesive storage tank 25 is controlled to put equal proportion of adhesive into the temperature control stirring tank 13, then the stirring motor 21 continues to drive the stirring blade 27 to rotate to uniformly stir the powder, then the stirring motor 21 is closed, the temperature in the temperature control stirring tank 13 is controlled by controlling the operation of a temperature control pipe 26 to enable the powder to be fibrillated, after the powder is fibrillated, a pipe sealing cover 28 is opened by pushing and pulling a hydraulic cylinder 29, the fibrillated powder enters the material collecting box 31 through the material discharging hopper 15, then the hand wheel 18 is rotated, the hand wheel 18 drives the screw rod 16 to rotate, the polished rod 19 and the screw rod 16 are matched to drive the lifting slide block 17 to move up and down, the lifting slide block 17 drives the flattening rollers 35 to move up and down, after the distance between the flattening rollers 35 is adjusted to meet the requirement, the aluminum foil material roll 39 is opened to lay the aluminum foil between the flattening rollers 35, the material pressing motor 38 is started, the material pressing motor 38 drives the material pressing roller 37 to rotate, the material pressing roller 37 drives the second transmission gear 34 to rotate, the second transmission gear 34 drives the first transmission gear 33 to rotate through gear engagement, the first transmission gear 33 drives the material distributing roller 32 to rotate, the material distributing roller 32 quantitatively sends the fibrillated powder to the aluminum foil by utilizing the opened grooves, then the rotation motor 36 is started, the rotation motor 36 drives the flattening rollers 35 to rotate, the flattening rollers 35 drive the aluminum foil to move forwards, meanwhile, the material pressing rollers 37 uniformly press powder on the aluminum foil, and when the aluminum foil with powder moves between the flattening rollers 35, the upper flattening rollers 35 and the lower flattening rollers 35 are matched with each other to flatten the aluminum foil to a specified thickness, so that dry electrode coating is completed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A coating mechanism for dry electrode preparation, comprising a supporting mechanism (1), characterized in that: the powder stirring and grinding device is characterized by further comprising a stirring and grinding mechanism (2) which is arranged on the supporting mechanism (1) and used for stirring powder, a coating and flattening mechanism (3) is arranged on one side of the stirring and grinding mechanism (2), and the supporting mechanism (1) is connected with the stirring and grinding mechanism (2) and the coating and flattening mechanism (3);

stirring powder process mechanism (2) are including agitator motor (21), agitator motor (21) axle head peg graft has stirring vane (27), agitator motor (21) welding is on accuse temperature agitator tank (13), accuse temperature agitator tank (13) upside welding has active material storage tank (22), conductive agent storage tank (23), additive storage tank (24), PTFE adhesive storage tank (25), the welding has accuse temperature pipe (26) in accuse temperature agitator tank (13), accuse temperature agitator tank (13) bottom rotation is connected with tube sealing lid (28), it is connected with push-and-pull pneumatic cylinder (29) to rotate on tube sealing lid (28).

2. A coating mechanism for dry electrode preparation according to claim 1, characterized in that: supporting mechanism (1) is in including welding control hopper (15) of temperature-controlled agitator tank (13) downside, control screen (14) are pegged graft to control temperature-controlled agitator tank (13) one side, hopper (15) downside welding has box (31) that gathers materials down, box (31) that gathers materials welds on support frame (11), support frame (11) one side welding has support frame (12) that flattens, sliding connection has lifting slide (17) on support frame (12) that flattens, sliding mounting has polished rod (19) on lifting slide (17), install lead screw (16) on support frame (12) that flattens, lead screw (16) axle head peg graft has hand wheel (18).

3. A coating mechanism for dry electrode preparation according to claim 2, characterized in that: coating flattening mechanism (3) are including rotating branch material roller (32), the swager roller (37) of connection on support frame (11), branch material roller (32) upside is provided with collection workbin (31), branch material roller (32) one end is passed support frame (11) are pegged graft and are had first drive gear (33), swager roller (37) one end is pegged graft and are had second drive gear (34) through support frame (11), swager roller (37) other end is passed support frame (11) are connected with swager motor (38) axle head, flattening support (12) all rotate on elevating slider (17) and are connected with flattening roller (35), flattening roller (35) one end is passed flattening support (12) are installed and are rotated motor (36), support frame (11) rear side rotation is connected with aluminium foil material and is rolled up (39).

4. A coating mechanism for dry electrode preparation according to claim 1, characterized in that: the temperature control pipes (26) are distributed on the inner side of the temperature control stirring tank (13) in a circumferential array.

5. A coating mechanism for dry electrode preparation according to claim 1, characterized in that: the inside of the tube sealing cover (28) is filled with heat insulation materials.

6. A coating mechanism for dry electrode preparation according to claim 2, characterized in that: the screw rod (16) penetrates through the lifting sliding block (17) and is in rotary connection with the flattening bracket (12).

7. A coating mechanism for dry electrode preparation according to claim 3, characterized in that: the first transmission gear (33) is in meshed connection with the second transmission gear (34).

8. A coating mechanism for dry electrode preparation according to claim 3, characterized in that: a trough is arranged on the material distributing roller (32), and the material distributing roller (32) is rotationally connected with the material collecting box (31).