阅读说明：本技术 一种锂电池生产用涂布装置 (Coating device for lithium battery production ) 是由 余谟鑫 朱一虎 何学祥 施伟 张晨 余健星 蒯乐 于 2020-05-14 设计创作，主要内容包括：本发明公开了一种锂电池生产用涂布装置,包括底座和涂布箱,底座的顶部固定安装有顶板,顶板的顶部固定安装有涂布箱,涂布箱内设置有带有清料的涂布机构,涂布机构上方的涂布箱内设置有第一刮刀组件,涂布箱一侧的顶板上通过机架固定安装有放料辊,涂布箱远离放料辊一侧的顶板上通过机架固定安装有收卷辊,放料辊和涂布箱之间的顶板通过机架固定安装有第一导料辊,收卷辊和涂布箱之间的顶板通过机架固定安装有第二导料辊,有益效果,自下而上依次贯穿涂布槽、第一刮刀组件和烘干组件,实现物料连续双面涂布和烘干,避免涂布均匀后的物料受到涂布影响,涂布箱隔离保护,提高涂布效率；第二刮刀组件对涂布胶辊清理,过滤后继续供涂布使用。(The invention discloses a coating device for producing a lithium battery, which comprises a base and a coating box, wherein the top of the base is fixedly provided with a top plate, the top of the top plate is fixedly provided with the coating box, the coating box is internally provided with a coating mechanism with a cleaning material, the coating box above the coating mechanism is internally provided with a first scraper component, the top plate at one side of the coating box is fixedly provided with a discharging roller through a rack, the top plate at one side of the coating box far away from the discharging roller is fixedly provided with a winding roller through the rack, the top plate between the discharging roller and the coating box is fixedly provided with a first guide roller through the rack, the top plate between the winding roller and the coating box is fixedly provided with a second guide roller through the rack, the coating device has the beneficial effects that the coating groove, the first scraper component and the drying component are sequentially penetrated from bottom to top, the continuous double-side coating and drying of materials are realized, the, the coating efficiency is improved; the second scraper component cleans the coating rubber roller, and the coating rubber roller is continuously used for coating after being filtered.)

1. The utility model provides a coating unit is used in lithium cell production, includes base (1) and coating case (3), its characterized in that: the top of the base (1) is fixedly provided with a top plate (2), the top of the top plate (2) is fixedly provided with a coating box (3), the coating box (3) is internally provided with a coating mechanism (4) with a cleaning material, a first scraper component (5) is arranged in the coating box (3) above the coating mechanism (4), the top plate (2) on one side of the coating box (3) is fixedly provided with a discharging roller (6) through a frame (8), the top plate (2) on one side of the coating box (3) far away from the discharging roller (6) is fixedly provided with a winding roller (7) through the frame (8), the top plate (2) between the discharging roller (6) and the coating box (3) is fixedly provided with a first guide roller (9) through the frame (8), the top plate (2) between the winding roller (7) and the coating box (3) is fixedly provided with a second guide roller (10) through the frame (8), the feeding roller (6), the winding roller (7), the first guide roller (9) and the second guide roller (10) are rotatably mounted with the rack (8), a first motor (71) is fixedly mounted on the rack (8) at one end of the winding roller (7), one end of the winding roller (7) is fixedly mounted with the output end of the first motor (71) through a coupler, and a storage tank (13) is fixedly mounted at the top of the coating box (3);

coating case (3) include feed inlet (31), discharge gate (32), first guide roll (33), second guide roll (34) and stoving subassembly (35), one side that coating case (3) are close to blowing roller (6) is equipped with feed inlet (31), one side that coating case (3) are close to wind-up roll (7) is equipped with discharge gate (32), first guide roll (33) are installed to coating case (3) internal rotation, second guide roll (34) are installed to base (1) internal rotation of coating case (3) below, be equipped with stoving subassembly (35) in coating case (3) of first scraper subassembly (5) top, coating case (3) set up rather than base (1) intercommunication of below.

2. The coating device for producing the lithium battery as recited in claim 1, wherein: the coating mechanism (4) comprises two coating grooves (41), supports (42), a second motor (43), coating rubber rollers (44) and a second scraper component (45), the two coating grooves (41) are fixedly arranged in the base (1), the supports (42) are fixedly arranged on two opposite sides of the tops of the two coating grooves (41), the coating rubber rollers (44) are fixedly arranged on one sides, close to the tops of the two coating grooves (41), of the two coating grooves through the supports (42), coating liquid is arranged in the coating grooves (41), the bottoms of the coating rubber rollers (44) are in contact with the coating liquid in the coating grooves (41), the coating rubber rollers (44) and the supports (42) are rotatably arranged, the second motor (43) is fixedly arranged on the supports (42) on one sides of the two coating grooves (41), the output ends of the second motors (43) are fixedly arranged on one ends of the coating rubber rollers (44) through couplers, and second scraper assemblies (45) are fixedly arranged in the coating grooves (41) on the sides, far away from the two coating rubber rollers (44), of the coating grooves, the first scraper assemblies (5) and the second scraper assemblies (45) are arranged in the same structure, and a coated material sequentially penetrates through the two coating grooves (41), the first scraper assemblies (5) and the drying assembly (35) from bottom to top through the second guide roller (34).

3. The coating device for producing the lithium battery as recited in claim 2, wherein: the second scraper assembly (45) comprises a scraper blade (451), a scraper frame (452) and mounting holes (453), the scraper blade (451) is fixedly mounted at the top of the scraper frame (452), the two opposite sides of the scraper frame (452) are respectively provided with the mounting holes (453), the mounting holes (453) are internally threaded with bolts, the first scraper assembly (5) is fixedly mounted with the coating box (3) through the mounting holes (453), and the second scraper assembly (45) is fixedly mounted with the coating tank (41) through the mounting holes (453).

4. The coating device for producing the lithium battery as recited in claim 2, wherein: the coating tank (41) comprises a partition plate (411), a lower heat preservation tank (412), an upper glue storage tank (413) and a filter tank (414), a partition plate (411) is fixedly arranged in the coating tank (41), the partition plate (411) divides the coating tank (41) into two parts which are sealed relatively, the coating groove (41) below the clapboard (411) is arranged as a lower heat preservation groove (412), the coating groove (41) above the partition board (411) is arranged as an upper glue storage groove (413), an electric heating pipe is fixedly arranged inside the lower heat-preserving groove (412), heating liquid is filled inside the lower heat-preserving groove (412), a liquid inlet is arranged at one side of the upper glue storage groove (413), the liquid inlet is connected with the material storage tank (13) through a liquid inlet pipe, an infusion pump is arranged on the liquid inlet pipe, a filter tank (414) is fixedly arranged in the upper glue storage tank (413) below the second scraper component (45).

5. The coating device for producing the lithium battery as recited in claim 4, wherein: the filter tank (414) is the setting of U type structure, scraper blade (451) are the oblique setting of cutting, the one end that scraper blade (451) kept away from scraper frame (452) is located the horizontal endpoint department of coating rubber roll (44) on second scraper subassembly (45).

6. The coating device for producing the lithium battery as recited in claim 1, wherein: the drying component (35) consists of a mounting plate and a heating plate, and the heating plate is fixedly mounted on one side of the mounting plate close to the material to be coated.

7. The coating device for producing the lithium battery as recited in claim 4, wherein: the surfaces of the partition plate (411), the lower heat preservation groove (412) and the upper glue storage groove (413) are all provided with Teflon spray treatment layers.

8. The coating device for producing the lithium battery as recited in claim 1, wherein: the bottom fixed mounting of base (1) has bottom plate (11), the equal fixed mounting in four corners of bottom plate (11) bottom has removal wheel (12).

The technical field is as follows:

the invention belongs to the technical field of lithium battery production, and particularly relates to a coating device for lithium battery production.

Background art:

with the development of science and technology, lithium batteries have become mainstream, and are batteries using non-aqueous electrolyte solution and taking lithium metal or lithium alloy as negative electrode material, in 1912, lithium metal batteries were originally proposed and researched by Gilbert n. L ewis, in the 70 th century of 20, m.s. whittingham proposed and started to research lithium ion batteries, and because the chemical properties of lithium metal are very active, the requirements on environment for processing, storing and using lithium metal are very high.

At present, the coating single side of materials is carried out in the production process of the lithium battery, drying time is needed after coating, the production efficiency of coating and the lithium battery is influenced, the production cost is increased, and meanwhile, after the coating rubber roll is used for a long time, colloid remained on the surface of the coating rubber roll is too thick, the continuous coating production of the lithium battery is influenced, manual cleaning is needed, and the practicability is poor, so that the coating device for producing the lithium battery is provided for solving the problems.

The invention content is as follows:

the invention aims to solve the problems, and provides a coating device for lithium battery production, which solves the defects that the coating of a single surface of a material in the existing lithium battery production process is carried out, drying time is needed after coating, the production efficiency of coating and a lithium battery is influenced, the production cost is increased, and meanwhile, after a coating rubber roller is used for a long time, the continuous coating production of the lithium battery is influenced due to the fact that the colloid remained on the surface of the coating rubber roller is too thick, and manual cleaning is needed.

In order to solve the above problems, the present invention provides a technical solution:

a coating device for lithium battery production comprises a base and a coating box, wherein a top plate is fixedly mounted at the top of the base, the coating box is fixedly mounted at the top of the top plate, a coating mechanism with a material cleaning function is arranged in the coating box, a first scraper component is arranged in the coating box above the coating mechanism, a discharging roller is fixedly mounted on the top plate at one side of the coating box through a rack, a winding roller is fixedly mounted on the top plate at one side of the coating box, away from the discharging roller, through the rack, a first guide roller is fixedly mounted on the top plate between the discharging roller and the coating box through the rack, a second guide roller is fixedly mounted on the top plate between the winding roller and the coating box through the rack, the discharging roller, the first guide roller of the winding roller and the second guide roller are rotatably mounted between the frame, and a first motor is fixedly mounted on the rack at one end of the winding roller, one end of the winding roller is fixedly installed with the output end of the first motor through a coupler, and a material storage tank is fixedly installed at the top of the coating box;

the coating case includes feed inlet, discharge gate, first guide roll, second guide roll and drying assembly, one side that the coating case is close to the blowing roller is equipped with the feed inlet, one side that the coating case is close to the wind-up roll is equipped with the discharge gate, first guide roll is installed to the coating incasement internal rotation, the second guide roll is installed to the base internal rotation of coating case below, the coating incasement of first scraper subassembly top is equipped with drying assembly, the coating case sets up rather than the base intercommunication of below.

Preferably, the coating mechanism comprises two coating grooves, two supports, a second motor, two coating rubber rollers and a second scraper component, the two coating grooves are fixedly arranged in the base, the supports are fixedly arranged on two opposite sides of the tops of the two coating grooves, the coating rubber rollers are fixedly arranged on one sides, close to the tops of the two coating grooves, of the two coating grooves through the supports, coating liquid is arranged in the coating grooves, the bottoms of the coating rubber rollers are in contact with the coating liquid in the coating grooves, the coating rubber rollers and the supports are rotatably arranged, the second motors are fixedly arranged on the supports on one sides of the two coating grooves, the output ends of the second motors are fixedly arranged with one ends of the coating rubber rollers through couplers, the second scraper component is fixedly arranged in the coating grooves on the sides, far away from the two coating rubber rollers, the first scraper component and the second scraper component are arranged in the same structure, the coated material sequentially penetrates through the two coating grooves, the first scraper component and the drying component from bottom to top through the second guide roller.

Preferably, the second scraper component comprises a scraper blade, a scraper frame and mounting holes, the scraper blade is fixedly mounted at the top of the scraper frame, the two opposite sides of the scraper frame are respectively provided with the mounting holes, bolts are mounted on the inner threads of the mounting holes, the first scraper component is fixedly mounted with the coating box through the mounting holes, and the second scraper component is fixedly mounted with the coating tank through the mounting holes.

As preferred, the coating bath includes baffle, lower heat preservation groove, goes up and stores up gluey groove and filter-tank, the inside fixed mounting of coating bath has the baffle, the baffle separates into two parts of relative seal with the coating bath, the coating bath of baffle below sets up to heat preservation groove down, the coating bath of baffle top sets up to last glue storage groove, the inside fixed mounting of heat preservation groove has electric heating pipe down, the inside packing of heat preservation groove has the heating fluid down, go up one side of storing up gluey groove and seted up the inlet, the inlet passes through the feed liquor pipe and is connected with the holding vessel, installs the transfer pump on the feed liquor pipe, the last glue storage inslot fixed mounting of second scraper subassembly below has the filter-tank.

Preferably, the filter tank is in a U-shaped structure, the scraper blade is obliquely arranged, and one end, far away from the scraper frame, of the scraper blade on the second scraper component is located at the horizontal end of the coating rubber roll.

Preferably, the drying assembly consists of a mounting plate and a heating plate, and the heating plate is fixedly mounted on one side of the mounting plate close to the material to be coated.

Preferably, the surfaces of the partition plate, the lower heat preservation groove and the upper glue storage groove are all provided with a Teflon spraying treatment layer.

Preferably, the bottom of the base is fixedly provided with a bottom plate, and four corners of the bottom plate are fixedly provided with movable wheels.

The invention has the beneficial effects that:

(1) according to the coating device for producing the lithium battery, the continuous coating production of the lithium battery is realized by arranging the coating box and the coating mechanism, the coating box can isolate and protect the coating operation environment, the pollution to materials in the coating process is reduced, the quality of the coated product is further ensured, meanwhile, the drying component is arranged in the coating box and can rapidly dry the coated materials, the coated materials sequentially penetrate through the two coating grooves, the first scraper component and the drying component from bottom to top through the second guide roller, the double-side coating and drying of the materials can be realized, the materials which are uniformly coated are prevented from being influenced by coating, the coating operation is continuously performed, and the coating production efficiency of the lithium battery is improved.

(2) According to the coating device for producing the lithium battery, the second scraper component is arranged on one side of the coating rubber roll, in the rotating process of the coating rubber roll, the scraper blade cleans the passing coating rubber roll, stable coating of materials is prevented from being influenced after the coating rubber roll is excessively thick and sticky with the sizing material, manual cleaning of the coating rubber roll is not needed, the sizing material cleaned from the coating rubber roll drops into the filter tank, and is in contact with the sizing material in the upper rubber storage tank in the filter tank and gradually heated and fused, and the coating device is continuously used for coating after being filtered, so that the practicability is higher.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

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

FIG. 2 is a schematic view of the construction of the coating booth of the present invention;

FIG. 3 is a schematic view of the structure at A of the present invention;

FIG. 4 is a schematic structural view of a second doctor assembly in accordance with the invention;

FIG. 5 is a schematic view of the structure of a coating tank of the present invention;

fig. 6 is a schematic structural view of a filter tank of the present invention.

In the figure: 1. a base; 2. a top plate; 3. a coating box; 31. a feed inlet; 32. a discharge port; 33. a first guide roller; 34. a second guide roller; 45. a drying assembly; 4. a coating mechanism; 41. a coating tank; 411. a partition plate; 412. a lower heat preservation tank; 413. a glue storage groove is arranged; 414. a filter tank; 42. a support; 43. a second motor; 44. coating a rubber roller; 45. a second scraper assembly; 451. a doctor blade; 452. a doctor holder; 453. mounting holes; 5. a first scraper assembly; 6. a discharge roller; 7. a wind-up roll; 71. a first motor; 8. a frame; 9. a first guide roller; 10. a second guide roller; 11. a base plate; 12. a moving wheel; 13. a material storage tank.

The specific implementation mode is as follows:

as shown in fig. 1 to 6, the following technical solutions are adopted in the present embodiment: a coating device for lithium battery production comprises a base 1 and a coating box 3, wherein a top plate 2 is fixedly mounted at the top of the base 1, the coating box 3 is fixedly mounted at the top of the top plate 2, a coating mechanism 4 with a cleaning material is arranged in the coating box 3, a first scraper component 5 is arranged in the coating box 3 above the coating mechanism 4, an emptying roller 6 is fixedly mounted on the top plate 2 at one side of the coating box 3 through a rack 8, a winding roller 7 is fixedly mounted on the top plate 2 at one side of the coating box 3 far away from the emptying roller 6 through the rack 8, a first guide roller 9 is fixedly mounted on the top plate 2 between the emptying roller 6 and the coating box 3 through the rack 8, a second guide roller 10 is fixedly mounted on the top plate 2 between the winding roller 7 and the coating box 3 through the rack 8, the emptying roller 6, the first guide roller 9 of the winding roller 7 and the second guide roller 10 are rotatably mounted between the frame 8 and the frame 8, a first motor 71 is fixedly mounted on the frame 8 at one end of the winding roller 7, one end of the winding roller 7 is fixedly mounted with the output end of the first motor 71 through a coupler, and a storage tank 13 is fixedly mounted at the top of the coating box 3;

coating case 3 includes feed inlet 31, discharge gate 32, first guide roll 33, second guide roll 34 and stoving subassembly 35, one side that coating case 3 is close to blowing roller 6 is equipped with feed inlet 31, one side that coating case 3 is close to wind-up roll 7 is equipped with discharge gate 32, first guide roll 33 is installed to the 3 internal rotations of coating case, second guide roll 34 is installed to the 1 internal rotations of base of coating case 3 below, be equipped with stoving subassembly 35 in the coating case 3 of first scraper subassembly 5 top, coating case 3 sets up rather than the 1 intercommunication of base below.

Wherein the coating mechanism 4 comprises two coating grooves 41, two supports 42, a second motor 43, two coating rubber rollers 44 and a second scraper component 45, the two coating grooves 41 are fixedly arranged inside the base 1, the supports 42 are fixedly arranged on two opposite sides of the tops of the two coating grooves 41, the coating rubber rollers 44 are fixedly arranged on one sides, close to the tops of the two coating grooves 41, of the supports 42, coating liquid is arranged in the coating grooves 41, the bottoms of the coating rubber rollers 44 are in contact with the coating liquid in the coating grooves 41, the coating rubber rollers 44 are rotatably arranged between the supports 42, the second motors 43 are fixedly arranged on the supports 42 on one sides of the two coating grooves 41, the output ends of the second motors 43 are fixedly arranged on one ends of the coating rubber rollers 44 through couplers, the second scraper components 45 are fixedly arranged in the coating grooves 41 on the sides, far away from the two coating rubber rollers 44, the first scraper component 5 and the second scraper component 45 are arranged in the same structure, and the coated material sequentially penetrates through the two coating grooves 41, the first scraper component 5 and the drying component 35 from bottom to top through the second guide roller 34, so that the influence of continuous coating on the material uniformly coated from top to bottom is avoided.

The second scraper assembly 45 comprises a scraper blade 451, a scraper frame 452 and mounting holes 453, the scraper blade 451 is fixedly mounted at the top of the scraper frame 452, the mounting holes 453 are respectively formed in two opposite sides of the scraper frame 452, bolts are mounted in the mounting holes 453 in a threaded mode, the first scraper assembly 5 is fixedly mounted with the coating tank 3 through the mounting holes 453, and the second scraper assembly 45 is fixedly mounted with the coating tank 41 through the mounting holes 453.

Wherein, the coating tank 41 includes baffle 411, lower heat preservation tank 412, goes up and stores up gluey groove 413 and filter tank 414, the inside fixed mounting of coating tank 41 has baffle 411, baffle 411 separates into two parts of relative seal with coating tank 41, the coating tank 41 of baffle 411 below sets up to heat preservation tank 412 down, the coating tank 41 of baffle 411 top sets up to store up gluey groove 413, the inside fixed mounting of heat preservation tank 412 has electric heating pipe down, the inside packing of heat preservation tank 412 has the heating fluid down, go up one side of storing up gluey groove 413 and seted up the inlet, the inlet passes through the feed liquor pipe and is connected with the holding vessel 13, installs the transfer pump on the feed liquor pipe, the last glue storage tank 413 internal fixed mounting of second scraper subassembly 45 below has filter tank 414, can filter the sizing material of scraping and recycle.

The filter tank 414 is of a U-shaped structure, the scraper blade 451 is obliquely arranged, one end of the scraper blade 451, which is far away from the scraper holder 452, of the second scraper assembly 45 is located at the horizontal end of the coating rubber roll 44, so that the scraper blade 451 is in contact with the horizontal end of the coating rubber roll 44 for cleaning, the cleaned rubber material falls in the filter tank 414, and the filter tank 414 is not in contact with the coating rubber roll 44.

The drying assembly 35 is composed of a mounting plate and a heating plate, the heating plate is fixedly mounted on one side, close to the coated material, of the mounting plate, and the coated material can be quickly dried through heating, so that the coating production efficiency is improved.

Wherein, the surfaces of the partition 411, the lower heat preservation groove 412 and the upper glue storage groove 413 are all provided with a Teflon spray treatment layer, so that the protective effect is better.

Wherein, the bottom fixed mounting of base 1 has bottom plate 11, the equal fixed mounting in four corners of bottom plate 11 bottom has removal wheel 12, conveniently removes equipment.

Specifically, the method comprises the following steps: a coating device for lithium battery production is provided, when in use, a first motor 71 rotates to drive a wind-up roll 7 on a rack 8 to rotate, materials on a discharge roll 6 sequentially pass through a first guide roll 9, a feed inlet 31 of a coating box 3, a first guide roll 33, a second guide roll 34, a coating mechanism 4, a first scraper component 5, a drying component 35, a discharge outlet 32 of the coating box 3 and a second guide roll 10 and then are wound on the wind-up roll 7, glue in a storage tank 13 enters an upper glue storage tank 413 in a coating tank 41 under the action of a liquid delivery pump, an electric heating pipe in a lower heat preservation tank 412 electrically heats heating liquid filled inside, the glue in the upper glue storage tank 413 is heated through a partition plate 411, a second motor 43 on a support 42 rotates to drive a coating rubber roll 44 to rotate, the coating rubber roll 44 coats the glue on the materials, the coated coating rubber roll 44 continuously rotates to be in contact with a second scraper component 45 on one side of the coating rubber roll 44, when the glue retained on the coating rubber roll 44 is too thick, the coating rubber roll 44 is in contact with the scraper blade 451 on the second scraper component 45, the scraper blade 451 scrapes off the glue retained on the coating rubber roll 44 and falls into the filtering tank 414 below to be in contact with the heated glue in the glue storage tank 413, and the glue is gradually heated and fused, the scraper blade 451 cleans the passing coating rubber roll 44 to avoid influencing the stable coating of the material after the glue is too thick on the coating rubber roll 44, the manual cleaning of the coating rubber roll 44 is not needed, the coating rubber roll 44 is continuously used for coating after being filtered, the coating box 3 can isolate and protect the coating operation environment, reduce the pollution to the material in the coating process, and then ensure the quality of the coated product, meanwhile, the drying component 35 is arranged in the coating box 3 to quickly dry the coated material, and the coated material sequentially penetrates through the two coating tanks 41 from bottom to top through the second guide roll 34, First scraper subassembly 5 and stoving subassembly 35 can realize the two-sided coating of material and dry, and avoid the material after the coating is even to receive the influence of coating for the coating operation goes on in succession, thereby improves lithium cell coating production efficiency, and the practicality is stronger.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.