CN217726019U

CN217726019U - Coating device for starting and stopping battery diaphragm

Info

Publication number: CN217726019U
Application number: CN202221702033.7U
Authority: CN
Inventors: 白玉文; 李福建
Original assignee: Jiangsu Magicpower Power Supply Equipments & Technology Co ltd
Current assignee: Jiangsu Magicpower Power Supply Equipments & Technology Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-04
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a open coating unit that stops battery diaphragm and use, including the workstation, the upper end fixed mounting of workstation has fixed subassembly, and fixed subassembly includes first fixed plate, and first fixed plate fixed mounting is at the both ends of workstation respectively, and the upper end middle part both sides fixed mounting of workstation has the second fixed plate, and the upper end of workstation is located and has seted up the reservoir between two second fixed plates, installs on first fixed plate and the second fixed plate and receive and release the subassembly. The utility model discloses a coating roll can paint the sizing agent with the diaphragm surface uniformly, and when passing heating coil, the heat that heating coil gived off is blown at the diaphragm surface by heat transfer fan and is dried thick liquids, avoids thick liquids to be rubbed and leads to the loss cost to increase, is followed by the wind-up roll rolling to accomplish the painting and the stoving to the diaphragm.

Description

Coating device for starting and stopping battery diaphragm

Technical Field

The utility model relates to a coating unit field specifically is a open coating unit who stops battery diaphragm and use.

Background

The core structure of the lithium battery consists of a positive plate, a negative plate and a diaphragm, wherein the diaphragm plays a role in blocking the positive plate and the negative plate, so that the battery is prevented from short circuit, and in the diaphragm manufacturing process, coating is an extremely important ring, namely, PVDF adhesive, ceramic (Al 2O 3) and other substance slurry are uniformly coated on a base material to form a coating.

Among them, the "membrane coating device" disclosed in application No. cn201822238501.X is also an increasingly mature technology, which "includes: a substrate moving at a speed; a coating structure disposed adjacent to the substrate and applying a coating slurry on the substrate as the coating structure rotates; a controller for effecting the coating structure to intermittently apply the coating slurry to the substrate ", but the coating apparatus has the following disadvantages during use:

this coating device can appear scribbling inhomogeneous condition when scribbling thick liquids to the diaphragm, leads to partial position thick liquids on the diaphragm to scribble too much and some positions are not scribbled thick liquids, thereby leads to the diaphragm to scribble the loss cost that increases, this coating device scribbles the thick liquids on diaphragm surface and can not dry immediately after the diaphragm is scribbled to this coating device in addition to can lead to being scribbled the diaphragm of thick liquids and other object contact and make thick liquids to be rubbed and cause to scribble the failure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a open coating unit that stops battery diaphragm and use to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a open coating device that stops battery diaphragm and use, includes the workstation, the upper end fixed mounting of workstation has fixed subassembly, fixed subassembly includes first fixed plate, first fixed plate difference fixed mounting is at the both ends of workstation, the upper end middle part both sides fixed mounting of workstation has the second fixed plate, the reservoir has been seted up to the upper end of workstation is located between two second fixed plates, install on first fixed plate and the second fixed plate and receive and release the subassembly, receive and release the subassembly and include out the membrane roller, be located two of workstation top one end wherein rotate between the first fixed plate and install out the membrane roller, the coating roll is installed to the reservoir internal rotation, two rotate between the second fixed plate and install the pinch roller, rotate between two first fixed plates that are located the workstation top other end and install the wind-up roll, the strip shape groove that runs through is seted up to one side that the upper end of workstation is located one side of reservoir, the side fixed mounting of workstation has drive assembly, the inside fixed mounting in strip shape groove has the stoving subassembly.

As an optimized scheme of the utility model, transmission shaft and coating roll fixed connection, the right side bottom fixed mounting of workstation has the bearing plate, the upper end fixed mounting of bearing plate has step motor, step motor's output shaft and the one end fixed connection of transmission shaft.

As the utility model discloses a preferred scheme, the stoving subassembly includes heating coil, heating coil fixed mounting is in the inside in bar groove, the lower extreme demountable installation of workstation has the grid board, the lower extreme fixed mounting of workstation has the board of accepting, the upper end movable mounting who accepts the board has heat transfer fan.

As a preferred scheme of the utility model, the upper end fixed mounting of workstation has seal assembly, seal assembly includes sealed lid, sealed lid fixed mounting is in the upper end of workstation, the joint groove has all been seted up to the both sides lower extreme of sealed lid, the one end side surface fixed mounting of sealed lid has first magnetic stripe, the surface swing joint of first magnetic stripe has the closing plate, one side fixed surface of closing plate installs the second magnetic stripe, the intercommunication groove has been seted up on the opposite side surface of closing plate, closing plate and sealed lid are inhaled through first magnetic stripe and second magnetic stripe magnetism and are connected.

As a preferred scheme of the utility model, two screws, two have all been seted up to the one end both sides of sealed lid the inside threaded connection of screw has the bolt, two screws have all been seted up to the upper end both sides of workstation, sealed lid passes through bolt and workstation threaded connection.

As an optimized scheme of the utility model, the pinch roll is located the coating roll directly over, the length and width in joint groove and second fixed plate agree with mutually.

As the utility model discloses an optimal scheme, the inside of bar groove below workstation is hollow structure, and first magnetic stripe and second magnetic stripe are C font structure and both volumes equal.

As a preferred scheme of the utility model, reservoir and bar groove all are located inside the sealed lid, the lower extreme fixed mounting of workstation has four landing legs, the one end fixed mounting of wind-up roll has the motor.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses at first twine the diaphragm in the side surface of a membrane roller when coating the diaphragm, pass the clearance between coating roll and the pinch roller and twine the side surface of rolling again, start motor and the step motor of wind-up roll one end, the motor drives the wind-up roll and rolls the diaphragm, step motor drives the coating roll rotation and is stained with the thick liquids in the reservoir at the in-process that the diaphragm was rolled the side surface of coating roll, the coating roll will carry out thick liquids to the diaphragm that passes through it and paint, the diaphragm after being paintd is rolled at the side surface by the wind-up roll, can paint thick liquids evenly on the surface of diaphragm through above-mentioned structure thereby avoid the diaphragm to appear that thick liquids paint inhomogeneous condition, the cost loss is reduced;

2. the utility model discloses can also dry the coating on diaphragm surface simultaneously, can pass through the bar groove after the diaphragm is smeared the thick liquids, start heat transfer fan and with external power supply and heating coil electric connection, when the diaphragm is slow through the heating coil top, heat that heat transfer fan distributes heating coil blows on the diaphragm surface, the heat that heating coil distributed can carry out drying and finalizing the design to the thick liquids on diaphragm surface, thereby dry the thick liquids on diaphragm surface through heat transfer assembly and avoid the thick liquids to be rubbed off, make the finished product success rate increase of paining the device.

Drawings

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

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is an exploded view of the retractable assembly and the drying assembly of the present invention;

fig. 4 is a structural bottom view of the drying assembly of the present invention;

fig. 5 is an enlarged view of the structure at a of the present invention.

In the figure: 1. a work table; 2. a fixing component; 21. a first fixing plate; 22. a second fixing plate; 3. a liquid storage tank; 4. a retraction assembly; 41. a film outlet roller; 42. a coating roll; 43. a pressure roller; 44. a wind-up roll; 5. a strip-shaped groove; 6. a transmission assembly; 61. a bearing plate; 62. a drive shaft; 63. a stepping motor; 7. a drying assembly; 71. a heat generating coil; 72. a grid plate; 73. a bearing plate; 74. a heat transfer fan; 8. a seal assembly; 81. a sealing cover; 82. a clamping groove; 83. a first magnetic stripe; 84. a sealing plate; 85. a second magnetic stripe; 86. a communicating groove; 9. a screw hole; 10. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a start coating unit who stops battery diaphragm and use, includes workstation 1, its characterized in that: fixed component 2 is installed to the upper end fixed mounting of workstation 1, fixed component 2 includes first fixed plate 21, first fixed plate 21 is fixed mounting at the both ends of workstation 1 respectively, the upper end middle part both sides fixed mounting of workstation 1 has second fixed plate 22, the upper end of workstation 1 is located and has seted up reservoir 3 between two second fixed plate 22, install on first fixed plate 21 and the second fixed plate 22 and receive and release subassembly 4, it includes out membrane roller 41 to receive and release subassembly 4, it installs out membrane roller 41 to be located to rotate between two first fixed plate 21 of 1 top one end wherein of workstation, coating roll 42 is installed to the 3 internal rotations of reservoir, rotate between two second fixed plate 22 and install compressing roller 43, it installs wind-up roll 44 to be located to rotate between two first fixed plate 21 of the 1 top other end of workstation, the strip groove 5 that runs through has been seted up to one side that the upper end of workstation 1 is located reservoir 3, the side fixed mounting of workstation 1 has drive assembly 6, the inside fixed mounting of strip groove 5 has stoving subassembly 7. Specifically, first fixed plate 21 is located the both ends of workstation 1 respectively, so that fix play membrane roller 41 and wind-up roll 44, reservoir 3 is used for storing thick liquids and paints the diaphragm, it is used for fixing the diaphragm with the diaphragm winding on self surface to go out membrane roller 41, coating roll 42 is stained with thick liquids on self surface so that paint the diaphragm, pinch roller 43 and coating roll 42 compress tightly the diaphragm, make thick liquids can paint the surface at the diaphragm more evenly, wind-up roll 44 is used for being scribbled the diaphragm rolling at self surface and rolling the diaphragm after the diaphragm is paintd the completion.

In this embodiment: the transmission assembly 6 comprises a transmission shaft 62, the transmission shaft 62 is fixedly connected with the coating roller 42, a bearing plate 61 is fixedly mounted at the bottom end of the right side of the workbench 1, a stepping motor 63 is fixedly mounted at the upper end of the bearing plate 61, and an output shaft of the stepping motor 63 is fixedly connected with one end of the transmission shaft 62.

Specifically, the transmission shaft 62 and the stepping motor 63 are fixed so that the stepping motor 63 drives the coating roll 42 to rotate and uniformly adhere to the slurry, and the stepping motor 63 is a transmission device for driving the coating roll 42 to rotate.

In this embodiment: the drying assembly 7 comprises a heating coil 71, the heating coil 71 is fixedly installed inside the strip-shaped groove 5, a grid plate 72 is detachably installed at the lower end of the workbench 1, a bearing plate 73 is fixedly installed at the lower end of the workbench 1, and a heat transfer fan 74 is movably installed at the upper end of the bearing plate 73.

Specifically, the heating coil 71 is externally connected with a power supply for heating, and then the air blown by the heat transfer fan 74 passes through the grid plate 72 and the strip-shaped groove 5 to blow heat emitted by the heating coil 71 onto the surface of the diaphragm, so that the sizing agent on the surface of the diaphragm can be dried to shape the sizing agent.

In this embodiment: upper end fixed mounting of workstation 1 has seal assembly 8, seal assembly 8 is including sealed lid 81, sealed lid 81 fixed mounting is in the upper end of workstation 1, joint groove 82 has all been seted up to the both sides lower extreme of sealed lid 81, the one end side surface fixed mounting of sealed lid 81 has first magnetic stripe 83, the surface swing joint of first magnetic stripe 83 has closing plate 84, a side fixed surface of closing plate 84 installs second magnetic stripe 85, intercommunication groove 86 has been seted up on the opposite side surface of closing plate 84, closing plate 84 and sealed lid 81 are inhaled through first magnetic stripe 83 and second magnetic stripe 85 magnetism and are connected.

Specifically, the sealing cover 81 is used for preventing the slurry thrown out by the coating roll 42 from splashing and sealing the heat emitted by the heat-generating coil 71, so that the slurry on the surface of the diaphragm is more sufficiently dried, the first magnetic strip 83 and the second magnetic strip 85 are magnetically attracted with each other to enable the sealing plate 84 to seal the inlet of the sealing cover 81 so as to prevent the heat from leaking, and the communicating groove 86 is used for enabling the diaphragm to penetrate through the gap between the coating roll 42 and the pressing roll 43.

In this embodiment: two screw holes 9 have all been seted up to the one end both sides of sealed lid 81, and the inside threaded connection of two screw holes 9 has bolt 10, and two screw holes 9 have all been seted up to the upper end both sides of workstation 1, and sealed lid 81 passes through

bolt

10 and 1 threaded connection of workstation.

Specifically, the bolt 10 is used to fix the seal cover 81 by screwing the seal cover 81 and the table 1.

In this embodiment: the pressure roller 43 is positioned right above the coating roller 42, and the length and width of the snap groove 82 are matched with the second fixing plate 22.

Specifically, the gaps between the 42 coating rollers and the 43 pressing rollers can be more uniformly coated with the sizing agent, and the clamping grooves 82 and the second fixing plate 22 are matched with each other to avoid heat leakage emitted by the heating coil 71.

In this embodiment: the inside of the workbench 1 below the strip-shaped groove 5 is of a hollow structure, and the first magnetic strip 83 and the second magnetic strip 85 are of C-shaped structures and have equal volumes.

Specifically, the hollow structure of the workbench 1 below the strip-shaped groove 5 facilitates the heat transfer fan 74 to blow the heat emitted by the heating coil 71 to the surface of the diaphragm so as to dry the slurry.

In this embodiment: reservoir 3 and bar groove 5 all are located inside sealed lid 81, and the lower extreme fixed mounting of workstation 1 has four landing legs, and the one end fixed mounting of wind-up roll 44 has the motor.

Specifically, the sealing cover 81 can completely enclose the liquid storage tank 3, the coating roller 42 and the pressing roller 43 inside the sealing cover 81, so that the slurry is prevented from being thrown out by the coating roller 42, and the motor is used for driving the winding roller 44 to wind the diaphragm.

The working principle is as follows: when the utility model is used, when smearing the diaphragm with the slurry, firstly, the diaphragm is wound on the side surface of the film outlet roller 41, then the diaphragm passes through the gap between the coating roller 42 and the pressing roller 43 and is wound on the side surface of the winding roller 44, the motor at one end of the winding roller 44 and the stepping motor 63 at one end of the coating roller 42 are started, the stepping motor 63 is used for dipping the slurry in the liquid storage tank 3 on the side surface of the coating roller 42, when the motor drives the winding roller 44 to rotate, the winding roller 44 winds the diaphragm on the surface of the diaphragm, when the diaphragm passes through the gap between the coating roller 42 and the pressing roller 43, the coating roller 42 is used for smearing the slurry dipped on the diaphragm, after the diaphragm is dipped in the slurry, the heat emitted by the heating coil 71 is blown on the surface of the diaphragm through the strip-shaped groove 5, so as to dry the wet slurry on the surface of the diaphragm, after drying, the winding roller 44 is wound on the side surface of the diaphragm, and the smearing and drying work of the diaphragm can be completed through the above operations.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a start coating unit that stops battery separator and use, includes workstation (1), its characterized in that: the upper end of the workbench (1) is fixedly provided with a fixed component (2), the fixing component (2) comprises a first fixing plate (21), the first fixing plate (21) is respectively and fixedly arranged at two ends of the workbench (1), two sides of the middle part of the upper end of the workbench (1) are fixedly provided with second fixed plates (22), a liquid storage tank (3) is arranged at the upper end of the workbench (1) between the two second fixing plates (22), the first fixing plate (21) and the second fixing plate (22) are provided with a retractable assembly (4), the retraction assembly (4) comprises a film outlet roller (41), the film outlet roller (41) is rotatably arranged between two first fixing plates (21) positioned at one end of the top of the workbench (1), a coating roller (42) is rotatably arranged in the liquid storage tank (3), a pressing roller (43) is rotatably arranged between the two second fixing plates (22), a winding roller (44) is rotatably arranged between the two first fixing plates (21) positioned at the other end of the top of the workbench (1), a penetrating strip-shaped groove (5) is arranged at one side of the upper end of the workbench (1) which is positioned on the liquid storage tank (3), a transmission component (6) is fixedly arranged on the side surface of the workbench (1), and a drying assembly (7) is fixedly arranged in the strip-shaped groove (5).

2. The coating device for the start-stop battery diaphragm according to claim 1, characterized in that: the transmission assembly (6) comprises a transmission shaft (62), the transmission shaft (62) is fixedly connected with the coating roller (42), a bearing plate (61) is fixedly mounted at the bottom end of the right side of the workbench (1), a stepping motor (63) is fixedly mounted at the upper end of the bearing plate (61), and an output shaft of the stepping motor (63) is fixedly connected with one end of the transmission shaft (62).

3. The coating device for the start-stop battery diaphragm according to claim 1, characterized in that: drying assembly (7) are including heating coil (71), heating coil (71) fixed mounting is in the inside of bar groove (5), the lower extreme demountable installation of workstation (1) has grid plate (72), the lower extreme fixed mounting of workstation (1) has accepts board (73), the upper end movable mounting who accepts board (73) has heat transfer fan (74).

4. The coating device for the start-stop battery diaphragm according to claim 1, characterized in that: the utility model discloses a magnetic suction device, including workstation (1), upper end fixed mounting has seal assembly (8) of workstation (1), seal assembly (8) are including sealed lid (81), sealed lid (81) fixed mounting is in the upper end of workstation (1), joint groove (82) have all been seted up to the both sides lower extreme of sealed lid (81), the one end side surface fixed mounting of sealed lid (81) has first magnetic stripe (83), the surface swing joint of first magnetic stripe (83) has closing plate (84), one side fixed surface of closing plate (84) installs second magnetic stripe (85), intercommunication groove (86) have been seted up on the opposite side surface of closing plate (84), closing plate (84) and sealed lid (81) are inhaled through first magnetic stripe (83) and second magnetic stripe (85) magnetism and are connected.

5. The coating device for the start-stop battery diaphragm according to claim 4, characterized in that: two screw holes (9) have all been seted up to the one end both sides of sealed lid (81), two the inside threaded connection of screw hole (9) has bolt (10), two screw holes (9) have all been seted up to the upper end both sides of workstation (1), sealed lid (81) are through bolt (10) and workstation (1) threaded connection.

6. The coating device for the start-stop battery diaphragm according to claim 4, characterized in that: the pressing roller (43) is positioned right above the coating roller (42), and the length and the width of the clamping groove (82) are matched with the second fixing plate (22).

7. The coating device for the start-stop battery diaphragm according to claim 1, characterized in that: the inside of bar groove (5) below workstation (1) is hollow structure, and first magnetic stripe (83) and second magnetic stripe (85) are C font structure and both volumes equal.

8. The coating device for the start-stop battery diaphragm according to claim 1, characterized in that: reservoir (3) and bar groove (5) all are located sealed lid (81) inside, the lower extreme fixed mounting of workstation (1) has four landing legs, the one end fixed mounting of wind-up roll (44) has the motor.