CN108722827B - Coating pole piece drying device for lithium battery processing - Google Patents
Coating pole piece drying device for lithium battery processing Download PDFInfo
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- CN108722827B CN108722827B CN201810546867.5A CN201810546867A CN108722827B CN 108722827 B CN108722827 B CN 108722827B CN 201810546867 A CN201810546867 A CN 201810546867A CN 108722827 B CN108722827 B CN 108722827B
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- drying box
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- air outlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
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- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a coating pole piece drying device for lithium battery processing, which comprises a drying box, wherein a feeding hole and a discharging hole are respectively formed in the two transverse ends of the drying box, and a tension adjusting mechanism is installed on one side of the drying box; an insulation can is placed on the back side of the drying box, an air pump is installed at the upper end of the insulation can, an air guide pipe and a blowing pipe are installed at two ends of the air pump respectively, and an air collecting pipe is connected to the outer end of the air guide pipe; the insulation can through go out the tuber pipe with the stoving case is linked together, it stretches into to go out the tuber pipe stoving incasement portion, the outer wall of going out the tuber pipe runs through and is provided with the exhaust vent. Has the advantages that: hot air is formed through the air pump and the heater, and circulating hot air flow is formed through the matching of the air suction pipe and the air outlet pipe, so that the hot air can be recycled, the heat loss is prevented, and the energy is saved; the elasticity of the buffer spring is utilized to enable the sliding rod to slide and lift in the sliding cavity, and the adjusting roller is matched to realize tension adjustment, so that the drying effect of the device is ensured.
Description
Technical Field
The invention relates to the technical field of lithium battery production devices, in particular to a coating pole piece drying device for lithium battery processing.
Background
When the lithium battery is produced, pole piece slurry needs to be uniformly coated on the surface of a pole piece. In order to ensure the production quality of the pole piece and ensure that the slurry can adhere to the surface of the pole piece, the slurry on the surface of the pole piece needs to be dried.
The applicant finds that at least the following technical problems exist in the prior art: when the existing drying device is used for drying, heat loss and energy waste are easily caused; meanwhile, the tension adjustment cannot be realized by the conventional drying device, and the surface cracks are easily caused due to unstable tension when the drying is carried out, so that the use performance of the pole piece is influenced.
Disclosure of Invention
The invention aims to solve the problems and provide a drying device for a coating pole piece for lithium battery processing, so as to solve the problems that the prior drying device in the prior art is easy to cause heat loss and energy waste when drying; simultaneously, the tension adjustment can not be realized by the conventional drying device, and the technical problems that the use performance of the pole piece is influenced due to surface cracks caused by unstable tension when the drying is carried out are easily caused. According to the preferred technical scheme of the technical schemes provided by the invention, hot air is formed through the air pump and the heater, and a circulating hot air flow is formed through the matching of the air suction pipe and the air outlet pipe, so that the hot air can be recycled, the heat loss is prevented, and the energy is saved; utilize buffer spring's elasticity to make the slide bar slide in the inside lift of sliding chamber, the cooperation dancer rools realizes tension and adjusts, helps guaranteeing device stoving effect, prevents to produce the crackle, helps guaranteeing technical effect such as the performance of pole piece, see in detail below explanation.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a drying device for a coated pole piece for lithium battery processing, which comprises a drying box, wherein a feeding hole and a discharging hole are respectively formed in the two transverse ends of the drying box, and a tension adjusting mechanism is installed on one side of the discharging hole of the drying box; an insulation can is placed on the back side of the drying box, an air pump is installed at the upper end of the insulation can, an air guide pipe and a blowing pipe are installed at two ends of the air pump respectively, the blowing pipe extends into the insulation can, and the outer end of the air guide pipe is connected with an air collecting pipe; the heat insulation box is communicated with the drying box through an air outlet pipe, the air outlet pipe extends into the drying box, and an air outlet hole is formed in the outer wall of the air outlet pipe in a penetrating mode; the front side of the drying box is uniformly provided with air suction pipes which are communicated with the air collecting pipe; a heater, filter cotton and a drying box are sequentially arranged in the heat preservation box from one side of the blowing pipe to one side of the air outlet pipe, and a drying agent is placed in the drying box;
the tension adjusting mechanism comprises a bearing frame and a fixing frame, the bearing frame is fixedly arranged on one side of the drying box, the bearing frame is of an inverted U-shaped structure, and a fixed guide roller is arranged in the bearing frame; the fixed frame is positioned on one side of the discharge port of the drying box, the fixed frame is of an inverted U-shaped structure, fixed rods are symmetrically arranged at the upper end of the fixed frame, sliding cavities are formed in the fixed rods, sliding rods are arranged in the sliding cavities, the sliding rods penetrate out of the sliding cavities, and adjusting rollers are arranged between the two sliding rods; an adjusting bolt is installed at the bottom of the fixed rod through threads and extends into the sliding cavity, a sliding plate is installed at the inner end of the adjusting bolt, and a buffer spring is installed between the sliding plate and the sliding rod.
When the device is used, the pole piece to be dried is fed into the drying box from the feeding hole, penetrates out of the discharging hole and sequentially penetrates through the fixed guide roller and the adjusting roller from the outer sides; hot air is formed by the heater and the air pump, the hot air is blown into the drying box through the air outlet pipe and the air outlet hole to dry the coated pole piece, the hot air carrying moisture enters the heat insulation box through the air suction pipe, the air collecting pipe, the air guide pipe and the air outlet pipe in sequence under the action of the air pump, and is filtered and dried through the filter cotton and the drying box, so that circulating hot air flow is formed, the coated pole piece is dried by utilizing the circulating hot air flow, the heat loss can be reduced, and the energy is saved; when the drying is carried out, the sliding rod is lifted in the sliding cavity in a sliding mode by utilizing the elasticity of the buffer spring, so that the buffering effect can be achieved, the tension can be ensured to be stable and constant, cracks are prevented from being formed on the surface of the coated pole piece during drying due to unstable tension, and the performance of the coated pole piece is ensured; the adjusting bolt is rotated to drive the sliding plate to be at the height position in the sliding cavity, so that the expansion amount of the buffer spring is adjusted, the tension is adjusted, and different tension requirements are met.
Preferably, the air outlet pipes are divided into two layers and symmetrically distributed at the upper part and the bottom part of the drying box.
Preferably, the air outlet pipes are distributed in an arc shape.
Preferably, the section of the air outlet is in an inverted cone structure.
Preferably, the end of the blowing pipe is provided with a blowing hopper.
Preferably, an air suction hopper is installed at the end part of the air suction pipe.
Preferably, the outer diameter of the sliding rod is equal to the inner diameter of the sliding cavity, and a clearance fit is adopted.
Preferably, the outer diameter of the sliding plate is equal to the inner diameter of the sliding cavity, and a clearance fit is adopted.
Preferably, the inner wall of the sliding cavity is provided with a guide groove, the inner end part of the sliding rod is provided with a guide block, and the guide block is in clearance fit with the guide groove.
Has the advantages that: 1. hot air is formed through the air pump and the heater, and a circulating hot air flow is formed through the cooperation of the air suction pipe and the air outlet pipe, so that the hot air can be recycled, the heat loss is prevented, and the energy is saved;
2. the elastic force of the buffer spring is utilized to enable the sliding rod to slide and lift in the sliding cavity, and the adjusting roller is matched to realize tension adjustment, so that the drying effect of the device is ensured, cracks are prevented, and the performance of the pole piece is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged schematic view of the cross-sectional structure of the air outlet pipe of the present invention;
FIG. 4 is a right side partial cross-sectional schematic view of the present invention;
fig. 5 is an enlarged schematic view of the internal structure of the fixing rod of the present invention.
The reference numerals are explained below:
1. a drying box; 101. a feed inlet; 102. a discharge port; 2. an air suction pipe; 201. a suction hopper; 3. an air collecting pipe; 4. an air guide pipe; 5. an air pump; 6. a heat preservation box; 7. a tension adjusting mechanism; 701. a carrier; 702. fixing the guide roller; 703. adjusting the bolt; 704. fixing the rod; 705. a slide bar; 706. a regulating roller; 707. a fixed mount; 708. a sliding cavity; 709. a guide groove; 710. a buffer spring; 711. a guide block; 712. a sliding plate; 8. an air outlet pipe; 801. an air outlet; 9. a blowpipe; 10. a blowing hopper; 11. a heater; 12. filtering cotton; 13. and (7) a drying box.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-5, the invention provides a drying device for coating pole pieces for lithium battery processing, which comprises a drying box 1, wherein a feeding hole 101 and a discharging hole 102 are respectively arranged at two transverse ends of the drying box 1, and a tension adjusting mechanism 7 is arranged at one side of the discharging hole 102 of the drying box 1; an insulation can 6 is placed on the back side of the drying box 1, an air pump 5 is installed at the upper end of the insulation can 6, an air guide pipe 4 and a blowing pipe 9 are installed at two ends of the air pump 5 respectively, the blowing pipe 9 extends into the insulation can 6, and the outer end of the air guide pipe 4 is connected with an air collecting pipe 3; the heat preservation box 6 is communicated with the drying box 1 through an air outlet pipe 8, the air outlet pipe 8 extends into the drying box 1, and an air outlet hole 801 is formed in the outer wall of the air outlet pipe 8 in a penetrating mode; the front side of the drying box 1 is uniformly provided with air suction pipes 2, and the air suction pipes 2 are communicated with an air collecting pipe 3; a heater 11, filter cotton 12 and a drying box 13 are sequentially arranged from one side of the blowing pipe 9 to one side of the air outlet pipe 8 in the heat preservation box 6, and a drying agent is placed in the drying box 13;
the tension adjusting mechanism 7 comprises a bearing frame 701 and a fixing frame 707, the bearing frame 701 is fixedly arranged on one side of the drying box 1, the bearing frame 701 adopts an inverted U-shaped structure, and a fixed guide roller 702 is arranged in the bearing frame 701; the fixing frame 707 is positioned at one side of the discharge port 102 of the drying box 1, the fixing frame 707 adopts an inverted U-shaped structure, the upper end of the fixing frame 707 is symmetrically provided with fixing rods 704, a sliding cavity 708 is arranged inside the fixing rods 704, a sliding rod 705 is arranged inside the sliding cavity 708, the sliding rod 705 penetrates out of the sliding cavity 708, and an adjusting roller 706 is arranged between the two sliding rods 705; an adjusting bolt 703 is installed at the bottom of the fixed rod 704 through threads, the adjusting bolt 703 extends into the sliding cavity 708, a sliding plate 712 is installed at the inner end of the adjusting bolt 703, and a buffer spring 710 is installed between the sliding plate 712 and the sliding rod 705.
As an optional implementation mode, the air outlet pipes 8 have two layers and are symmetrically distributed at the upper part and the bottom part inside the drying box 1, so that the coating pole piece can be uniformly heated, the temperature distribution is uniform, and cracks are prevented from being formed due to nonuniform heating;
the air outlet pipes 8 are distributed in an arc shape, so that the distance between the air outlet holes 801 and the surface of the coated pole piece can be adjusted, stepped heating temperature distribution is formed, and the drying effect of the coated pole piece is favorably ensured;
the section of the air outlet hole 801 is of an inverted cone structure, so that the air blowing area of the air outlet hole 801 can be increased, the coating pole piece is uniformly heated, and the drying effect is ensured;
the end part of the blowing pipe 9 is provided with a blowing hopper 10, so that the circulating hot air can be uniformly distributed in the heat preservation box 6, the heating effect of the heater 11 on the circulating hot air is ensured, and the temperature of the hot air is ensured to be more uniform;
the end part of the air suction pipe 2 is provided with an air suction hopper 201, so that hot air for drying conveniently enters the air suction pipe 2, smooth circulation of the hot air is ensured, heat loss is reduced, and energy is saved;
the outer diameter of the sliding rod 705 is equal to the inner diameter of the sliding cavity 708, and clearance fit is adopted, so that the sliding rod 705 can slide and ascend in the sliding cavity 708, the buffering effect is realized in an auxiliary manner, and the tension is ensured to be stable and constant;
the outer diameter of the sliding plate 712 is equal to the inner diameter of the sliding cavity 708, and the sliding plate is in clearance fit, so that the sliding plate 712 can slide and lift in the sliding cavity 708, and the adjustment of the tension is assisted;
the inner wall of the sliding cavity 708 is provided with a guide groove 709, the inner end part of the sliding rod 705 is provided with a guide block 711, and the guide block 711 is in clearance fit with the guide groove 709, so that the sliding rod 705 can be guided and limited, and the sliding rod 705 can stably slide in the sliding cavity 708.
By adopting the structure, the device is positioned between the coating mechanism and the slicing mechanism, when the device is used, the pole piece to be dried is sent into the drying box 1 from the feeding hole 101, penetrates out of the discharging hole 102 and sequentially passes through the fixed guide roller 702 and the adjusting roller 706 from the outer sides; hot air is formed by the heater 11 and the air pump 5, the hot air is blown into the drying box 1 through the air outlet pipe 8 and the air outlet hole 801 to dry the coated pole piece, the hot air carrying moisture enters the heat insulation box 6 through the air suction pipe 2, the air collecting pipe 3, the air guide pipe 4 and the air outlet pipe 8 in sequence under the action of the air pump 5, and is filtered and dried through the filter cotton 12 and the drying box 13, so that circulating hot air flow is formed, the coated pole piece is dried by utilizing the circulating hot air flow, the heat loss can be reduced, and the energy is saved; when drying, the elastic force of the buffer spring 710 is utilized to enable the sliding rod 705 to slide and lift in the sliding cavity 708, so that a buffering effect can be achieved, the tension can be ensured to be stable and constant, cracks are prevented from being formed on the surface of the coated pole piece during drying due to unstable tension, and the performance of the coated pole piece is ensured; the adjusting bolt 703 is rotated to drive the height position of the sliding plate 712 in the sliding cavity 708, so as to adjust the expansion amount of the buffer spring 710, realize the adjustment of tension, and meet different tension requirements.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (1)
1. The utility model provides a lithium cell processing is with coating pole piece drying device, includes stoving case (1), its characterized in that: a feeding hole (101) and a discharging hole (102) are respectively formed in the two transverse ends of the drying box (1), and a tension adjusting mechanism (7) is installed on one side of the discharging hole (102) of the drying box (1); an insulation box (6) is placed on the back side of the drying box (1), an air pump (5) is installed at the upper end of the insulation box (6), an air guide pipe (4) and a blowing pipe (9) are installed at two ends of the air pump (5) respectively, the blowing pipe (9) extends into the insulation box (6), and the outer end of the air guide pipe (4) is connected with an air collecting pipe (3); the heat preservation box (6) is communicated with the drying box (1) through an air outlet pipe (8), the air outlet pipe (8) extends into the drying box (1), and an air outlet hole (801) penetrates through the outer wall of the air outlet pipe (8); the front side of the drying box (1) is uniformly provided with air suction pipes (2), and the air suction pipes (2) are communicated with the air collecting pipe (3); a heater (11), filter cotton (12) and a drying box (13) are sequentially arranged from one side of the blowing pipe (9) to one side of the air outlet pipe (8) in the heat preservation box (6), and a drying agent is placed in the drying box (13);
the tension adjusting mechanism (7) comprises a bearing frame (701) and a fixing frame (707), the bearing frame (701) is fixedly arranged on one side of the drying box (1), the bearing frame (701) adopts an inverted U-shaped structure, and a fixed guide roller (702) is arranged in the bearing frame (701); the fixing frame (707) is positioned on one side of the discharge port (102) of the drying box (1), the fixing frame (707) adopts an inverted U-shaped structure, fixing rods (704) are symmetrically installed at the upper end of the fixing frame (707), a sliding cavity (708) is arranged inside the fixing rods (704), a sliding rod (705) is installed inside the sliding cavity (708), the sliding rod (705) penetrates out of the sliding cavity (708), and an adjusting roller (706) is installed between the two sliding rods (705); an adjusting bolt (703) is installed at the bottom of the fixed rod (704) through threads, the adjusting bolt (703) extends into the sliding cavity (708), a sliding plate (712) is installed at the inner end of the adjusting bolt (703), and a buffer spring (710) is installed between the sliding plate (712) and the sliding rod (705);
the air outlet pipes (8) are divided into two layers and symmetrically distributed at the upper part and the bottom part inside the drying box (1), the air outlet pipes (8) are distributed in an arc shape, the cross sections of the air outlet holes (801) form an inverted cone-shaped structure, an air blowing hopper (10) is installed at the end part of the air blowing pipe (9), an air suction hopper (201) is installed at the end part of the air suction pipe (2), the outer diameter of the sliding rod (705) is equal to the inner diameter of the sliding cavity (708), clearance fit is adopted, and the outer diameter of the sliding plate (712) is equal to the inner diameter of the sliding cavity (708), and clearance fit is adopted;
the inner wall of the sliding cavity (708) is provided with a guide groove (709), the inner end part of the sliding rod (705) is provided with a guide block (711), and the guide block (711) is in clearance fit with the guide groove (709).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810546867.5A CN108722827B (en) | 2018-05-31 | 2018-05-31 | Coating pole piece drying device for lithium battery processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810546867.5A CN108722827B (en) | 2018-05-31 | 2018-05-31 | Coating pole piece drying device for lithium battery processing |
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| Publication Number | Publication Date |
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| CN108722827A CN108722827A (en) | 2018-11-02 |
| CN108722827B true CN108722827B (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810546867.5A Active CN108722827B (en) | 2018-05-31 | 2018-05-31 | Coating pole piece drying device for lithium battery processing |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109647678A (en) * | 2019-01-29 | 2019-04-19 | 江西嘉拓智能设备有限公司 | A kind of coating machine drying box |
| CN111644308A (en) * | 2020-04-27 | 2020-09-11 | 颍上县翔安新能源科技有限公司 | Automatic feeding coating unit of lithium cell production usefulness |
| CN115318586A (en) * | 2021-12-06 | 2022-11-11 | 江苏深盐达新能源科技有限公司 | Even drying equipment of lithium-ion battery pole piece coating |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201837217U (en) * | 2010-10-21 | 2011-05-18 | 深圳市赢合科技有限公司 | Baking oven for pole piece coating equipment and pole piece coating equipment |
| CN203329944U (en) * | 2013-05-29 | 2013-12-11 | 杨永平 | Lithium battery pole piece coating machine |
| CN103296252A (en) * | 2013-06-13 | 2013-09-11 | 高平唐一新能源科技有限公司 | Device for preventing upwarping of lithium battery coating pole piece |
| CN204933904U (en) * | 2015-07-31 | 2016-01-06 | 河北中智电池制造有限公司 | One prevents lithium battery to be coated with pole piece drum limit device |
| CN106423781A (en) * | 2016-10-28 | 2017-02-22 | 深圳市新伟创实业有限公司 | Pole piece infrared hot air drying system |
| CN106784630A (en) * | 2017-02-11 | 2017-05-31 | 汪成立 | A kind of pure electric automobile conveys drying plant with lithium battery pole slice streamline |
| CN107285084B (en) * | 2017-06-26 | 2023-11-24 | 深圳市新伟创实业有限公司 | Hot air automatic drying system for pole piece |
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Effective date of registration: 20210308 Address after: 442000 No.1, Industrial Park North Road, Chengguan Town, Yunxi County, Shiyan City, Hubei Province Patentee after: Hubei new endurance Power Technology Co.,Ltd. Address before: 341800 standard workshop of QUANNAN Industrial Park, Ganzhou City, Jiangxi Province (phase I) Patentee before: JIANGXI NAILI TECHNOLOGY Co.,Ltd. |