CN218586052U

CN218586052U - Automatic coating machine for lithium battery

Info

Publication number: CN218586052U
Application number: CN202222454782.9U
Authority: CN
Inventors: 曾亿诚; 吴泉清; 刘莉莉
Original assignee: Guangzhou Jieli Innovative Energy Co ltd
Current assignee: Guangzhou Jieli Innovative Energy Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-03-07
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses an automatic coating machine of lithium cell relates to the lithium cell field of making, including workstation and coating film, be provided with the opening on the workstation, and all be provided with the hot pressing box at the open-ended both ends, be provided with the hot pressing structure of coating film in the hot pressing box, the opening part slides through electronic track structure and is provided with and moves the platform, move the recess that is provided with cooperation hot pressing structure on the platform, and be connected with the bottom plate through revolving cylinder in the bottom of recess, be provided with the arm on the workstation, the front end of arm is provided with the structure of holding the plate electrode. The utility model discloses set up on the workstation and move the platform by servo motor driven, carry out hot pressing to two-layer coating film through the hot press, completion that can automize is to the tectorial membrane of electrode slice, has improved the efficiency to the electrode slice tectorial membrane in the lithium cell production process greatly.

Description

Automatic coating machine for lithium battery

Technical Field

The utility model relates to a lithium cell field of making specifically is an automatic coating machine of lithium cell.

Background

Most of the commonly used lithium batteries are composed of a shell, and a plurality of positive pole pieces, diaphragms, negative pole pieces and electrolyte which are accommodated in the shell, wherein the diaphragms are usually strip-shaped films and are wrapped on two sides of the positive pole pieces, so that the negative pole pieces are positioned between the diaphragms on the outer sides of two adjacent positive pole pieces, and the diaphragms play a role in isolating the positive pole from the negative pole.

The existing mode of wrapping the electrode slice with the isolating membrane mostly adopts a line to fold the isolating membrane into a bag-shaped structure, then the electrode slice is plugged into the isolating membrane of the bag-shaped structure, and heat sealing treatment is carried out on the edge.

However, after the isolating membrane is manufactured into a bag shape by the existing lithium battery isolating membrane coating device, the isolating membrane needs to be plugged into the bag-shaped isolating membrane in a manual matching mode, the isolating membrane can be coated in a heat-sealing mode, the efficiency of coating the isolating membrane on the electrode plate is low, a large amount of manpower is consumed, and the electrode plate is easily damaged when being plugged into the bag-shaped isolating membrane.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing an automatic coating machine of lithium cell to electrode slice cladding device that solves current lithium cell needs manual fit work, the lower technical problem of cladding electrode slice efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic coating machine of lithium cell, includes workstation and coating film, be provided with the opening on the workstation, and all be provided with the hot pressing box at open-ended both ends, be provided with the hot pressing structure of coating film in the hot pressing box, the opening part slides through electronic track structure and is provided with the platform of moving, move the recess that is provided with cooperation hot pressing structure on the platform, and be connected with the bottom plate through revolving cylinder in the bottom of recess, be provided with the arm on the workstation, the front end of arm is provided with the structure of holding the electrode board.

Through adopting above-mentioned technical scheme, the platform is moved by servo motor driven to setting up on the workstation, moving the recess that sets up the cooperation electrode slice on the platform, set up the hot press of coating film in the both sides of workstation, set up the industry arm at the middle part of workstation, move on the track through moving the platform, put into lower floor's coating film in proper order in moving the platform, the electrode slice, upper strata membrane, carry out the hot pressing to two-layer coating film through the hot press at last, completion that can automize is to the tectorial membrane of electrode slice, the efficiency to the electrode slice tectorial membrane in the lithium cell production process has been improved greatly.

The utility model discloses further set up to, be provided with two sets of tectorial membrane rollers through different motor drive in the hot pressing box, it is two sets of wrap up in respectively on the tectorial membrane roller and have the cladding film after the use and the cladding film that does not use.

Through adopting above-mentioned technical scheme, through two sets of tectorial membrane rollers syntropy rotations, reach the lower extreme that makes the clamp plate and have the coating film available all the time.

The utility model discloses further set up to, the top of moving the platform is provided with hot pressing platform and grooving.

By adopting the technical scheme, the film coating work of the electrode plate is carried out through the hot-pressing table and the cutting groove which are matched with the cutting-off and hot-pressing structure at the bottom end of the pressing plate.

The utility model discloses further set up to, the lower part of hot pressing box body between two sets of tectorial membrane rollers is provided with the fixed station, the bottom of fixed station is connected with the clamp plate through extending structure, the bottom of clamp plate is provided with the hot pressing ring and the eager loop of cooperation hot pressing platform and grooving and constructs.

Through adopting above-mentioned technical scheme, make the coating film stay with required size on moving the platform through hot pressing platform and grooving and hot compression ring and eager ring structure, or carry out the heat-seal to two-layer coating film.

The utility model discloses further set up to, the both sides setting of clamp plate all is provided with the guide roll.

Through adopting above-mentioned technical scheme, the guide roll can prevent that the cladding film from appearing the fold.

The utility model discloses further set up as, one side on the workstation is provided with control panel.

By adopting the technical scheme, the intermittent motion relation of each component of the device is set through the control panel, and the purpose of cooperatively producing products is achieved.

The utility model discloses further set up to, the workstation all is provided with the finished product landslide in the bottom of two sets of hot pressing box bodies.

By adopting the technical scheme, after the electrode plate is coated, the electrode plate coated with the coating film slides out of the finished product landslide, so that the product can be conveniently collected.

To sum up, the utility model discloses mainly have following beneficial effect:

the utility model discloses a set up on the workstation by servo motor driven platform that moves, moving the recess that sets up the cooperation electrode slice on the platform, set up the hot press of coating film in the both sides of workstation, set up the industrial machine arm at the middle part of workstation, move on the track through moving the platform, put into lower floor's coating film in proper order in moving the platform, the electrode slice, upper cladding tectorial membrane, carry out hot pressing to two-layer coating film through the hot press at last, completion that can automize is to the tectorial membrane of electrode slice, the efficiency to the electrode slice tectorial membrane in the lithium cell production process has been improved greatly.

Drawings

FIG. 1 is a side view of the present invention;

fig. 2 is an enlarged view of a in fig. 1 according to the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is an enlarged view of B in fig. 3 according to the present invention;

fig. 5 is a front view of the movable stage according to the present invention.

In the figure: 1. a work table; 2. an opening; 3. a hot pressing box body; 4. a screw; 5. moving the platform; 6. a rotating cylinder; 7. a base plate; 8. a hot-pressing table; 9. grooving; 10. a fixed table; 11. a telescopic rod; 12. pressing a plate; 13. a film laminating roller; 14. coating a film; 15. a guide roller; 16. a mechanical arm; 17. finished product landslide; 18. a control panel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Next, an embodiment of the present invention will be described with reference to the overall structure thereof.

An automatic lithium battery coating machine is disclosed, as shown in fig. 1-5, an opening 2 is arranged on a workbench 1, hot-pressing box bodies 3 are arranged at two ends of the opening 2, a hot-pressing structure of a coating film 14 is arranged in the hot-pressing box bodies 3, a moving platform 5 is arranged at the opening 2 in a sliding mode through an electric track structure, the electric track structure specifically comprises a screw rod 4 arranged at the opening 2, one end of the screw rod 4 is connected with a servo motor, a groove matched with the hot-pressing structure is arranged on the moving platform 5, the bottom end of the groove is connected with a bottom plate 7 through a rotating cylinder 6, the groove is specifically in a shape matched with an electrode plate, a mechanical arm 16 is arranged on the workbench 1, a suction structure for sucking the electrode plate is arranged at the front end of the mechanical arm 16, the suction structure is specifically an electric control sucker, the screw rod 4 is driven by a matching transmission belt of the servo motor to drive the moving platform 5 to slide to be under a group of inner pressing plates 12 of the hot-pressing box bodies 3, the hot-pressing structure in the hot-pressing box body 3 descends to press the coating film 14 on the bottom plate 7, the cutting groove 9 at the top end of the moving platform 5 is matched with the cutting ring structure at the bottom end of the pressing plate 12 to cut off the coating film 14, the pressing plate 12 is in the process of returning and ascending, the rotation of the coating roller 13 is assisted to keep the coating film 14 at the lower end of the pressing plate 12 in a complete state, the next time of downward pressing is facilitated, the moving platform 5 slides to the middle position of the opening 2 on the screw rod 4, the mechanical arm 16 places the electrode plate on the working platform 1 in the center of the moving platform 5 through the sucking disc structure at the front end, at the moment, the moving platform 5 is sequentially provided with a layer of electrode plate and a layer of coating film 14 from top to bottom, then the moving platform 5 continues to move to the bottom end of the pressing plate 12 in the other group of hot-pressing box body 3, the operation is repeated to complete the double-sided coating work of the electrode plate, then the rotary cylinder 6 rotates to dump the finished product on a finished product slide slope 17 to complete the production, then, the moving platform 5 can start the coating production work of the next electrode plate without moving, thereby greatly improving the coating efficiency of the electrode plate and saving the labor capacity of workers.

Referring to fig. 2, two sets of film coating rollers 13 driven by different motors are arranged in the hot-pressing box 3, used coating films 14 and unused coating films 14 are respectively wrapped on the two sets of film coating rollers 13, the two sets of film coating rollers 13 rotate in the same direction, so that the lower end of the pressing plate 12 is always available for the coating films 14, and the two sets of film coating rollers 13 are matched with the pressing plate 12 and have a structure similar to that of a milk tea sealing machine.

Referring to fig. 1, the top end of the moving table 5 is provided with a hot pressing table 8 and a cutting groove 9, and the hot pressing table 8 and the cutting groove 9 cooperate with the cutting and hot pressing structure at the bottom end of the pressing plate 12 to perform the film coating operation on the electrode plate.

Referring to fig. 1, a fixing table 10 is disposed at a lower portion of the hot pressing box 3 between two sets of film laminating rollers 13, a pressing plate 12 is connected to a bottom end of the fixing table 10 through a telescopic structure, the telescopic structure is specifically a pneumatic telescopic rod 11, a hot pressing ring and a cutting ring structure matched with the hot pressing table 8 and the cutting groove 9 are disposed at a bottom end of the pressing plate 12, and a coating film 14 is retained on the moving table 5 in a required size or two layers of coating films 14 are heat-sealed through the hot pressing table 8, the cutting groove 9, the hot pressing ring and the cutting ring structure.

Referring to fig. 2, guide rollers 15 are disposed on both sides of the press plate 12, and the guide rollers 15 can prevent the coating film 14 from wrinkling.

Referring to fig. 3, a control panel 18 is disposed on one side of the working table 1, and the intermittent motion relationship of each component of the device is set by the control panel 18, so as to achieve the purpose of producing products in a matching manner.

Referring to fig. 1, the bottom ends of the two hot press box bodies 3 of the workbench 1 are both provided with finished product landslides 17, and after the electrode plates are coated, the electrode plates coated with the coating films 14 slide out of the finished product landslides 17, so that the products can be conveniently collected.

The utility model discloses a theory of operation does: the screw rod 4 is driven by a servo motor in a matching manner to be matched with a transmission belt, the moving platform 5 is driven to slide to be under a pressing plate 12 in a group of hot pressing box bodies 3, a hot pressing structure in the hot pressing box bodies 3 descends to press a coating film 14 on a bottom plate 7, a cutting groove 9 at the top end of the moving platform 5 is matched with a cutting ring structure at the bottom end of the pressing plate 12 to cut off the coating film 14, the pressing plate 12 assists a coating roller 13 to rotate in the process of resetting and ascending so that the coating film 14 at the lower end of the pressing plate 12 is kept in an intact state, the moving platform 5 is convenient to press downwards next time, the moving platform 5 slides to the middle position of an opening 2 on the screw rod 4, a mechanical arm 16 places a plate electrode on the working platform 1 in the center of the moving platform 5 through a sucking disc structure at the front end, at the moment, a layer of plate electrode and a layer of coating film 14 are sequentially arranged on the moving platform 5 from top to bottom, then the moving platform 5 continues to the bottom end of the pressing plate 12 in another group of the hot pressing box bodies 3, the operation is repeated, double-sided coating work of the plate electrode is completed, then the rotating cylinder 6 rotates, finished product is poured on a finished product sliding slope 17 to complete production, the production without coating work, the coating work of the plate electrode plate, the coating efficiency of workers is greatly improved, and the coating efficiency of the coating workers is greatly reduced.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims

1. The utility model provides an automatic coating machine of lithium cell, includes workstation (1) and coating film (14), its characterized in that: be provided with opening (2) on workstation (1), and all be provided with hot-pressing box (3) at the both ends of opening (2), be provided with the hot-pressing structure of coating film (14) in hot-pressing box (3), opening (2) department is provided with through electronic track structure slip and is moved platform (5), move and be provided with the recess of cooperation hot-pressing structure on platform (5), and be connected with bottom plate (7) through revolving cylinder (6) in the bottom of recess, be provided with arm (16) on workstation (1), the front end of arm (16) is provided with the structure of holding the electrode board.

2. The automatic film coating machine of lithium battery of claim 1, characterized in that: two groups of film coating rollers (13) driven by different motors are arranged in the hot-pressing box body (3), and used coating films (14) and unused coating films (14) are respectively wrapped on the two groups of film coating rollers (13).

3. The automatic film coating machine of lithium battery of claim 1, characterized in that: the top end of the moving platform (5) is provided with a hot pressing platform (8) and a cutting groove (9).

4. The automatic film coating machine for the lithium battery of claim 3, which is characterized in that: the lower part of the hot-pressing box body (3) between the two sets of laminating rollers (13) is provided with a fixed station (10), the bottom end of the fixed station (10) is connected with a pressing plate (12) through a telescopic structure, and the bottom end of the pressing plate (12) is provided with a hot-pressing ring and a cutting ring structure which are matched with the hot-pressing station (8) and a cutting groove (9).

5. The automatic film coating machine of lithium battery of claim 4, characterized in that: and guide rollers (15) are arranged on two sides of the pressing plate (12).

6. The automatic film coating machine of lithium battery of claim 1, characterized in that: one side of the workbench (1) is provided with a control panel (18).

7. The automatic film coating machine of lithium battery of claim 1, characterized in that: the bottom of the two groups of hot-pressing box bodies (3) of the workbench (1) is provided with finished product landslides (17).