CN212349303U - Air suspension type oily PVDF coating machine - Google Patents
Air suspension type oily PVDF coating machine Download PDFInfo
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- CN212349303U CN212349303U CN202020802183.XU CN202020802183U CN212349303U CN 212349303 U CN212349303 U CN 212349303U CN 202020802183 U CN202020802183 U CN 202020802183U CN 212349303 U CN212349303 U CN 212349303U
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Abstract
The utility model discloses a floated oily PVDF coating machine of gas, include: the device comprises a discharging device, a gluing device, an air suspension type oven and a winding device which are arranged along the advancing direction of the PVDF membrane, wherein the discharging device is provided with a discharging roller; the glue spreading device comprises a first glue outlet die head, a second glue outlet die head, a first metering rod and a second metering rod, and the winding device is provided with a winding roller; the base film unreels by the blowing roller bearing in proper order, and the glue solution spouts on first metering rod through the play jiao kou of first play jiao die head, and first metering rod evenly scrapes gluey toward the base film one side, and the glue solution spouts on the second metering rod through the play jiao kou of second play jiao die head again, and through the second metering rod toward the even frictioning of base film another side, the floated oven of gas is dried and the coiling mechanism is accomodate. The utility model discloses change into the metering rod knife coating by original dip coating mode, reduced product cost, improved work efficiency.
Description
Technical Field
The utility model belongs to the technical field of oily PVDF diaphragm, concretely relates to floated oily PVDF coating machine of gas.
Background
At the present stage, the Chinese battery industry is driven by the new energy automobile market, and is in a state of rapid development in recent years, and the market production and marketing scale and the product performance are greatly improved. In the soft package battery, by virtue of the advantages of high energy density, high safety, flexible design, relatively small internal resistance and the like, the application is gradually increased in recent years, and soft package power battery enterprises represented by BYD, Beijing national energy, Fu energy technology, Jiowei power, universal two and three and the like are rapidly developed. According to the statistics of a high-industrial lithium battery research institute (GGII), the global soft package battery delivery volume is increased by 73.8 percent in year 2018 to reach 23.1GWH, wherein the Chinese soft package battery delivery volume is increased by 48.0 percent in year and reaches 10.1GWH, and the increase is mainly driven by the domestic passenger vehicle market. The occupation ratio of the passenger cars above class A of the future passenger cars is gradually increased, the demands of the soft package batteries driven by the middle and high-end passenger car markets such as Chevrolet Volvilada, Volvowo 60 series, Nissan leaf, Audi A6L e-tron, Ronwei 6 and neckerck are increased, and the occupation ratio of the future passenger cars in the power batteries is continuously increased; under the requirements of high energy density and long endurance, the energy density of the soft package battery is relatively higher than that of the square and cylindrical power batteries. At present, the energy density of the single cells of the soft package power battery can reach the level of 240-250Wh/Kg in mass production, while the energy density of the square power battery of the same material system is 210-230Wh/Kg, the energy density of the soft package power battery is 10-15% higher than that of the square power battery, and the application is increased; under the support of capital, capacity construction and client development are currently increased by Chinese soft package power battery enterprises represented by BYD, Funeng technologies, Jie Wei, Kanai, universal one, two, three and hundred million latitude lithium energies, and the like, and the future production and marketing scale can keep high growth; OEMs mainly using soft-package batteries, such as Daimler and the like, accelerate the Chinese market layout and drive the demand on the soft-package batteries.
The oily PVDF coating is applied to power and consumption soft package batteries, can improve the safety, reliability and light weight of the batteries, and effectively promotes the rapid development and application of the soft package batteries. At present, when oil PVDF is coated, the coating width is 0.4-0.75 m, the coating speed is 2.5-10 m/min, and the coating efficiency is low. The power system adopts electric energy, the temperature of the machine is set to be 80-120 ℃, the blowing frequency is 15-45 Hz, the air draft frequency is 15-45 Hz, the energy consumption is 0.18KW/h (labor, electricity charge and raw materials) per square meter, the material loss is high, and the price of the lithium battery made of the diaphragm is high directly; the linear speed of the existing coating machine is 2.5-10 m/min, the coating width is 0.4-0.75 m, and the efficiency is low. The soft package battery is in an adverse position in price under the overall price-reducing layout of the lithium battery industry, and the low efficiency also causes adverse effects on the large-scale application of the soft package battery.
Disclosure of Invention
To the weak point among the prior art, the utility model provides a floated oily PVDF coating machine of gas.
In order to achieve the above purpose, the utility model discloses technical scheme as follows:
an air-suspension type oily PVDF coater, comprising: a discharging device, a gluing device, an air suspension type oven and a winding device which are arranged along the advancing direction of the PVDF diaphragm, wherein,
the discharging device is provided with a discharging rolling shaft, a discharging guide roller and a discharging control box, and the discharging control box controls the linear speed of discharging and the discharging rolling shaft;
the gluing device comprises a first glue outlet die head, a second glue outlet die head, a first metering rod and a second metering rod, wherein the first glue outlet die head is matched with the first metering rod and is positioned on one side surface of the base film, and the second glue outlet die head is matched with the second metering rod and is positioned on the other side surface of the base film; the first glue outlet die head is provided with a plurality of glue outlets, and glue is injected through a pneumatic diaphragm pump; the specifications of the second glue outlet die head and the second metering rod are correspondingly the same as those of the first glue outlet die head and the first metering rod;
the air suspension type drying oven comprises one section and more than one section, and each section of drying oven is formed by welding double-layer stainless steel plates;
the winding device is provided with a winding roller, a winding guide roller and a winding control box, and the discharging control box controls the linear speed of the winding roller and the winding roller;
the base film unreels by the blowing roller bearing in proper order, and the glue solution spouts on first metering rod through the play jiao kou of first play jiao die head, and first metering rod evenly scrapes gluey toward the base film one side, and the glue solution spouts on the second metering rod through the play jiao kou of second play jiao die head again, and through the second metering rod toward the even frictioning of base film another side, the floated oven of gas is dried and the coiling mechanism is accomodate.
Furthermore, the discharging rolling shaft is made of an inflatable shaft with the radius of 38.5mm-100 mm.
Furthermore, the discharging guide roller is made of an aluminum roller with the radius of 15mm-80mm and the length of 500mm-2500 mm.
Further, the first glue outlet die head and the first metering rod are fixed at the front part of the whole gluing device through a stainless steel plate.
Further, the second glue outlet die head and the second metering rod are fixed at the rear part of the whole gluing device through a stainless steel plate.
Furthermore, the first glue outlet die head and the second glue outlet die head are respectively provided with 2-12 glue outlets.
Furthermore, the first metering rod and the second metering rod are both metering rods with the radius of 0.4mm-15mm, the length of 500mm-2000mm and grooves with the depth of 0.05mm-3 mm.
Furthermore, the air suspension type oven is composed of 1-5 sections of ovens, and each section of oven is in a cuboid shape with the length of 1000mm-2500mm, the width of 500mm-2500mm and the height of 500mm-2000 mm.
Furthermore, the rolling roller is made of an inflatable shaft with the radius of 38.5mm-100 mm.
Furthermore, the rolling guide roller is made of an aluminum roller with the radius of 15mm-80mm and the length of 500mm-2500 mm.
Has the advantages that: the utility model discloses change into the metering rod knife coating by original dip coating mode, reduced product cost, improved work efficiency, laid a solid foundation for the development and the application of the lithium cell of using this type of diaphragm to do under the overall price-reducing pattern of lithium cell trade.
Drawings
Fig. 1 is a schematic structural diagram of the air suspension type oily PVDF coater of the present invention.
In the figure, 1-discharging device, 2-gluing device, 3-air suspension type oven, 4-rolling device, 5-discharging roller, 6-discharging control box, 7-first discharging guide roller group, 8-second discharging guide roller group, 9-third discharging guide roller group, 10-first glue outlet die head, 11-first metering rod, 12-second glue outlet die head, 13-second metering rod, 14-first gluing guide roller group, 15-second gluing guide roller group, 16-first rolling guide roller group, 17-second rolling guide roller group, 18-rolling control box, 19-rolling roller, 20-single-section oven and 21-base film.
Detailed Description
The present invention is described below with reference to specific examples. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention in any way.
An air suspension type oily PVDF coater, as shown in figure 1, comprises: a discharging device 1, a gluing device 2, an air suspension type oven 3 and a winding device 4 which are arranged along the advancing direction of the PVDF membrane, wherein,
the discharging device 1 is provided with a discharging roller 5, a discharging control box 6, a first discharging guide roller group 7, a second discharging guide roller group 8 and a third discharging guide roller group 9, the linear speed of discharging and discharging rollers 5 is controlled by the discharging control box 6, and the discharging roller 5 is made of an inflatable shaft with the radius of 38.5mm-100 mm; the discharging rolling shaft 5 is made of an air expansion shaft with the radius of 38.5mm-100mm, the first discharging guide roller group 7 is composed of two discharging guide rollers, the second discharging guide roller group 8 is a single discharging guide roller, and the third discharging guide roller group 9 is composed of three discharging guide rollers; the first discharging guide roller group 7 is positioned above one side of a discharging hole of the discharging roller 5, the second discharging guide roller group 8 is positioned below one side of the first discharging guide roller group 7 and far away from the discharging roller 5, and the third discharging guide roller group 9 is positioned below the whole of the first discharging guide roller group 7 and the second discharging guide roller group 8;
the gluing device 2 comprises a first glue outlet die head 10, a first metering rod 11, a second glue outlet die head 12, a second metering rod 13, a first gluing guide roller set 14 and a second gluing guide roller set 15, wherein the first glue outlet die head 10 is matched with the first metering rod 11 and is positioned on one side surface of the base film, and the second glue outlet die head 12 is matched with the second metering rod 13 and is positioned on the other side surface of the base film; the first glue outlet die head 10 and the first metering rod 11 are fixed at the front part of the whole gluing device 2 through a stainless steel plate, and the second glue outlet die head 12 and the second metering rod 13 are fixed at the rear part of the whole gluing device 2 through a stainless steel plate; the first glue outlet die head 10 is provided with a plurality of glue outlets, and glue is injected through a pneumatic diaphragm pump; the first glue outlet die head, the second glue outlet die head, the first metering rod and the second metering rod are all made of stainless steel plates and have the same specification; the first gluing guide roller group 14 consists of four gluing guide rollers and is positioned below the first gluing die head 10 and the first metering rod 11, and the second gluing guide roller group 15 consists of three gluing guide rollers and is arranged among the first gluing die head 10, the first metering rod 11, the second gluing die head 12 and the second metering rod 13;
the air suspension type oven 3 consists of three single-section ovens 20 with the same specification, each single-section oven 20 is formed by welding double-layer stainless steel plates and is in a cuboid shape with the length of 1000mm-2500mm, the width of 500mm-2500mm and the height of 500mm-2000 mm;
the winding device 4 is provided with a winding roller 19, a winding control box 18, a first winding guide roller group 16 and a second winding guide roller group 17, and the discharging control box 18 controls the linear speed of the winding and winding roller 19; the first winding guide roller group 16 consists of three winding guide rollers, the second winding guide roller group 17 is positioned below one side of a winding inlet of the winding roller 19, and the first winding guide roller group 16 is positioned above one side of the second winding guide roller group 17 and is far away from the winding roller 19;
base film 21 unreels by blowing roller 19 in proper order, and the glue solution spouts on first metering rod 11 through the play jiao kou of first play jiao die head 10, and first metering rod 10 is towards the even frictioning of base film 21 one side, and the glue solution spouts on second metering rod 13 through the play jiao kou of second play jiao die head 12 again, through second metering rod 13 towards the even frictioning of base film 21 another side, gas suspension type oven 3 dries and coiling mechanism 4 accomodates.
Specifically, the first glue outlet die head 10 and the second glue outlet die head 12 are respectively provided with 2-12 glue outlets; the first measuring rod 11 and the second measuring rod 13 are measuring rods with the radius of 0.4mm-15mm, the length of 500mm-2000mm and grooves with the depth of 0.05mm-3 mm.
Specifically, all the discharging guide rollers have the same specification and are made of aluminum rollers with the radius of 15mm-80mm and the length of 500mm-2500 mm.
Specifically, the two gluing guide rollers in the second gluing guide roller group 15 have different radiuses, the radius of the gluing guide roller close to the second glue outlet die head 12 and the second metering rod 13 is smaller than that of the other gluing guide roller, and the radiuses of the other gluing guide rollers are consistent with the radiuses of the gluing guide rollers close to the second glue outlet die head 12 and the second metering rod 13; but the radius of all the gluing guide rollers is between 15mm and 80mm, and the length of all the gluing guide rollers is between 500mm and 2500 mm.
Specifically, the radii of three rolling guide rollers in the first rolling guide roller group 16 are different, the radius of the rolling guide roller positioned in the middle is smaller than the radii of the other two gluing guide rollers and the three rolling guide rollers in the second rolling guide roller group 17, the other five rolling guide rollers are consistent, but the radii of all the gluing guide rollers are 15mm-80mm, and all the gluing guide rollers are made of aluminum rollers with the length of 500mm-2500 mm. The coating method comprises the following steps:
(1) the base film to be coated is driven by a feeding rolling shaft of a feeding device to advance along the working direction for feeding;
(2) when the base film is coated to the coating device, the first glue outlet grinding head sprays glue liquid on the first measuring rod, the first measuring rod evenly scrapes glue on one side of the base film, the glue liquid is sprayed on the second measuring rod through the second glue outlet grinding head, and the glue liquid is evenly scraped on the other side of the base film through the second measuring rod;
(2) the glue film coated and scraped on the two sides is conveyed to an air suspension type oven to be dried;
(3) and finally, winding through a winding device.
Wherein, the temperature is set to be 20-60 ℃, the blowing frequency is 15-45 Hz, the air draft frequency is 15-45 Hz, the linear velocity is 15-50 m/min, the coating width is increased to 1.2 m, the energy consumption is 0.08KW/h per square meter, the cost of labor, electricity and raw materials is reduced by 40%, the cost price is reduced by 40% after slitting and packaging, the problem that a lithium battery made of the diaphragm is expensive is fundamentally solved, and a foundation is laid for the large-scale application of the soft package battery on the price.
Claims (7)
1. The utility model provides an oily PVDF coating machine of air suspension formula which characterized in that includes: a discharging device, a gluing device, an air suspension type oven and a winding device which are arranged along the advancing direction of the PVDF diaphragm, wherein,
the discharging device is provided with a discharging rolling shaft, a discharging guide roller and a discharging control box, and the discharging control box controls the linear speed of discharging and the discharging rolling shaft;
the gluing device comprises a first glue outlet die head, a second glue outlet die head, a first metering rod and a second metering rod, wherein the first glue outlet die head is matched with the first metering rod and is positioned on one side surface of the base film, and the second glue outlet die head is matched with the second metering rod and is positioned on the other side surface of the base film; the first glue outlet die head is provided with a plurality of glue outlets, and glue is injected through a pneumatic diaphragm pump; the specifications of the second glue outlet die head and the second metering rod are correspondingly the same as those of the first glue outlet die head and the first metering rod;
the air suspension type drying oven comprises one section and more than one section, and each section of drying oven is formed by welding double-layer stainless steel plates;
the winding device is provided with a winding roller, a winding guide roller and a winding control box, and the discharging control box controls the linear speed of the winding roller and the winding roller;
the base film unreels by the blowing roller bearing in proper order, and the glue solution spouts on first metering rod through the play jiao kou of first play jiao die head, and first metering rod evenly scrapes gluey toward the base film one side, and the glue solution spouts on the second metering rod through the play jiao kou of second play jiao die head again, and through the second metering rod toward the even frictioning of base film another side, the floated oven of gas is dried and the coiling mechanism is accomodate.
2. The air suspension type oily PVDF coater according to claim 1, wherein said discharge roller and said take-up roller are made of inflatable shaft with radius of 38.5mm-100 mm.
3. The air suspension type oily PVDF coater according to claim 1, wherein said discharge guide roll and said take-up guide roll are made of aluminum rolls with a radius of 15mm-80mm and a length of 500mm-2500 mm.
4. The air suspension type oily PVDF coater according to claim 1, wherein the first glue outlet die head and the first metering rod are fixed at the front part of the whole gluing device through a stainless steel plate, and the second glue outlet die head and the second metering rod are fixed at the rear part of the whole gluing device through a stainless steel plate.
5. The air suspension type oily PVDF coater according to claim 1, wherein the first glue outlet die head and the second glue outlet die head are respectively provided with 2-12 glue outlets.
6. The air suspension type oily PVDF coater according to claim 1, wherein said first metering rod and said second metering rod are both metering rods with radius of 0.4mm-15mm, length of 500mm-2000mm, and grooves with depth of 0.05mm-3 mm.
7. The air suspension type oily PVDF coater according to claim 1, wherein said air suspension type oven is composed of 1-5 sections of ovens, each section of oven is in a cuboid shape with the length of 1000mm-2500mm, the width of 500mm-2500mm and the height of 500mm-2000 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020802183.XU CN212349303U (en) | 2020-05-14 | 2020-05-14 | Air suspension type oily PVDF coating machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020802183.XU CN212349303U (en) | 2020-05-14 | 2020-05-14 | Air suspension type oily PVDF coating machine |
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| CN212349303U true CN212349303U (en) | 2021-01-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111495697A (en) * | 2020-05-14 | 2020-08-07 | 盐山万兴新能源有限公司 | Air suspension type oily PVDF coating system and coating method thereof |
| CN113262947A (en) * | 2021-05-18 | 2021-08-17 | 长园泽晖新能源材料研究院(珠海)有限公司 | Air suspension type coating device for oily PVDF coating system |
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2020
- 2020-05-14 CN CN202020802183.XU patent/CN212349303U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111495697A (en) * | 2020-05-14 | 2020-08-07 | 盐山万兴新能源有限公司 | Air suspension type oily PVDF coating system and coating method thereof |
| CN113262947A (en) * | 2021-05-18 | 2021-08-17 | 长园泽晖新能源材料研究院(珠海)有限公司 | Air suspension type coating device for oily PVDF coating system |
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Effective date of registration: 20230802 Address after: 061000 puwacheng Industrial Zone, Yanshan County, Cangzhou City, Hebei Province Patentee after: Yanshan cypress Electronic Materials Co.,Ltd. Address before: 061300 puwacheng Park, Yanshan Economic Development Zone, Cangzhou City, Hebei Province Patentee before: Yanshan Wanxing new energy Co.,Ltd. |