CN219926693U - Wet process diaphragm casting piece cooling device - Google Patents
Wet process diaphragm casting piece cooling device Download PDFInfo
- Publication number
- CN219926693U CN219926693U CN202321014974.6U CN202321014974U CN219926693U CN 219926693 U CN219926693 U CN 219926693U CN 202321014974 U CN202321014974 U CN 202321014974U CN 219926693 U CN219926693 U CN 219926693U
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- CN
- China
- Prior art keywords
- air
- temperature
- tuyere
- controller
- thermostat
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- 238000001816 cooling Methods 0.000 title claims abstract description 47
- 238000005266 casting Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title abstract description 4
- 239000000523 sample Substances 0.000 claims description 19
- 238000000465 moulding Methods 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000002425 crystallisation Methods 0.000 abstract description 2
- 230000008025 crystallization Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a wet-process diaphragm casting piece cooling device which comprises a fan (1), an air dryer (2), an air constant-temperature device (3) and a tuyere (4), wherein the fan (1) is communicated with the air dryer (2) through an air pipe to provide air, the air dryer (2) is communicated with the air constant-temperature device (3) through an air pipe to provide dry air, the air constant-temperature device (3) is communicated with the tuyere (4) through an air pipe to provide constant-temperature air, an outlet of the tuyere (4) is arranged towards the back side of a diaphragm casting piece on a chilling roller (6), and the tuyere (4) can provide constant-temperature and constant-quantity dry cooling air for the back side of the diaphragm casting piece on the chilling roller (6) to cool the diaphragm casting piece. The utility model adopts the constant temperature tuyere to cool the cast piece at the back of the chilled roller, so that the cooling effect of the two sides of the cast piece is close to the crystallization effect of the two sides of the cast piece to be consistent, thereby reducing the microcosmic difference of the two sides of the diaphragm, improving the performance and being convenient for further processing and use.
Description
Technical Field
The utility model relates to the technical field of wet diaphragm production, in particular to a wet diaphragm casting cooling device.
Background
The lithium ion battery diaphragm production is a production process that plastic particles or powder are heated into molten fluid through a double-screw extruder or a single-screw extruder, then the molten fluid flows out through a die head to form cast sheets, the cast sheets are cooled and molded, and after longitudinal stretching and transverse stretching, the cast sheets are subjected to thickness test and defect detection, and then cut edges are curled into film products. The existing casting cooling device mainly comprises a die head and a temperature-controllable temperature-regulating chilled roller, wherein the cooling effect is achieved by mainly adjusting the position and the temperature of the chilled roller to enable the cast sheet to be in contact with the chilled roller at the height and the angle, and the cooling effect directly influences the crystallinity of the resin and the subsequent processing effect.
The existing chill roll can only cool one side of the cast sheet and the other surface is cooled by the surrounding air, and the crystallinity of the two sides is inconsistent due to the difference between the air temperature and the chill roll temperature, so that the flatness of the two sides of the diaphragm is inconsistent, and the secondary processing of the diaphragm is affected.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a wet method diaphragm casting cooling device which can achieve the matching of the cooling effect of a chilled roller.
The utility model aims at solving the problems through the following technical scheme:
a wet diaphragm casting piece cooling device is characterized in that: the device includes fan, air dryer, air thermostat, tuyere, and the fan is linked together with air dryer through the tuber pipe in order to provide the air, and air dryer is linked together with air thermostat through the tuber pipe in order to provide the dry air, and air thermostat is linked together with the tuyere through the tuber pipe in order to provide the constant temperature air, and the export of tuyere sets up towards the diaphragm casting piece dorsal part on the chill roll, and the tuyere can provide the quantitative dry cooling air of constant temperature to the diaphragm casting piece dorsal part on the chill roll, cools off the diaphragm casting piece.
The front part of the inner cavity of the tuyere is provided with a uniform orifice plate, the inner cavity of the tuyere at the rear side of the uniform orifice plate is a uniform air cavity, uniformly distributed air outlet holes are formed in the uniform orifice plate, and a baffle curtain capable of adjusting the opening and closing degree is arranged at the outlet of the tuyere.
The stop curtain comprises a fixed stop curtain and an adjustable stop curtain, the fixed stop curtain is fixedly arranged at the lower part of the outlet of the tuyere, and the top of the fixed stop curtain is in a downward concave arc shape; the adjustable baffle curtain is embedded in the caulking groove at the outlet of the tuyere and can be adjusted in height relative to the caulking groove, and the bottom of the adjustable baffle curtain is in an upward concave arc shape; the adjustable baffle can downwards close the outlet of the tuyere and upwards expand the opening of the outlet of the tuyere.
The temperature and humidity sensing probe is arranged on the inner side of the baffle curtain, the temperature and humidity sensing probe is 20-30mm away from the inner side of the baffle curtain, the temperature and humidity sensing probe is connected with the controller through a circuit, the temperature and humidity sensing probe can sense the temperature and humidity of dry cooling air at the outlet of the air nozzle in real time and feed the temperature and humidity back to the controller, and the controller can display the temperature and humidity of the dry cooling air at the outlet of the air nozzle in real time.
In addition, an electronic flowmeter connected with the controller through a circuit can be arranged at the outlet of the tuyere.
The air nozzle is provided with an alarm which is connected with a controller or a temperature and humidity sensing probe through a circuit, and the alarm can give an alarm in time when the temperature and humidity of the dry cooling air at the outlet of the air nozzle sensed by the temperature and humidity sensing probe in real time exceeds a set threshold value.
The back of the tuyere is connected with the tail end of the air pipe through a rotating mechanism, so that the tuyere can rotate up and down relative to the air pipe.
The air constant temperature device adopts a die temperature machine, the temperature control precision of the die temperature machine is more than or equal to 0.1 ℃, and the temperature adjustment range is 10-80 ℃; the air thermostat is provided with a thermostat controller which is connected with the controller through a circuit.
The outlet of the air constant temperature device is provided with a temperature sensor, the temperature sensor is connected with a constant temperature device controller of the air constant temperature device through a circuit, the constant temperature device controller can display the temperature of dry air in real time, and meanwhile, when the temperature monitored by the temperature sensor exceeds the set temperature, the constant temperature device controller automatically adjusts the temperature of the die temperature machine to realize constant temperature.
The air dryer adopts an adsorption dryer, and the air dryer is connected with the controller through a circuit.
The fan adopts an adjustable fan, and the air quantity requirement of the adjustable fan meets 1-200m 3 A/min; the adjustable fan can be a Roots fan or a centrifugal fan, but is not limited to the two types; and the fan is connected with the controller through a circuit.
Compared with the prior art, the utility model has the following advantages:
the utility model adopts the constant temperature tuyere to cool the cast piece at the back of the chilled roller, so that the cooling effect of the two sides of the cast piece is close, the crystallization effect of the two sides of the cast piece is consistent, thereby reducing the microcosmic difference of the two sides of the diaphragm, improving the performance of the diaphragm and being convenient for further processing and use.
The diaphragm casting piece cooling device comprises an adjustable fan, an adjustable air dryer, an adjustable air constant temperature device, an air pipe, an air nozzle and the like, wherein air is firstly changed into dry air through the air dryer, then reaches a constant target temperature through the air constant temperature device, and finally is uniformly discharged through the air nozzle to cool the casting piece. The diaphragm casting cooling device can adjust the temperature, the air quantity, the dryness and the air outlet direction of cooling air, so that the best effect of cooling the casting can be achieved, and the conditions of inconsistent longitudinal thickness of the diaphragm and two sides of the diaphragm caused by the fluctuation of the temperature of the cooling device in the production process are prevented.
Drawings
FIG. 1 is a schematic diagram of the use of a wet diaphragm casting cooling apparatus of the present utility model;
fig. 2 is a schematic view of a tuyere structure provided by the utility model.
Wherein: 1-a fan; 2-an air dryer; 3-an air thermostat; 31-a thermostat controller; 32-an outlet temperature sensor; 4-tuyere; 40-a temperature and humidity sensing probe; 41-an orifice plate; 42-an air outlet hole; 43-a stop curtain; 44-an adjustable curtain; 5-a die head; 6, a chilling roller; 7-a controller.
Description of the embodiments
The utility model is further described below with reference to the drawings and examples.
As shown in fig. 1-2: the wet diaphragm casting sheet cooling device comprises a fan 1, an air dryer 2, an air constant temperature device 3 and a tuyere 4, wherein the fan 1 is communicated with the air dryer 2 through an air pipe to provide air, the air dryer 2 is communicated with the air constant temperature device 3 through the air pipe to provide dry air, and the air constant temperature device 3 is communicated with the tuyere 4 through the air pipe to provide constant temperature air; the back of tuyere 4 is connected with the end of tuber pipe through slewing mechanism for tuyere 4 can rotate from top to bottom relative the tuber pipe, and the export of tuyere 4 sets up towards the diaphragm casting piece dorsal part on the chill roller 6, and tuyere 4 can provide the dry cooling air of constant temperature ration to the diaphragm casting piece dorsal part on the chill roller 6, cools off the diaphragm casting piece.
In the above structure, the fan 1, the air dryer 2, the air thermostat 3, and the tuyere 4 are connected to the controller 7 through lines, respectively, and the controller 7 can adjust the fan 1, the air dryer 2, the air thermostat 3, and the tuyere 4, respectively.
In order to provide uniform air outlet, an air equalizing plate 41 is arranged at the front part of the inner cavity of the air nozzle 4, the inner cavity of the air nozzle 4 at the rear side of the air equalizing plate 41 is an air equalizing cavity, air outlet holes 42 which are uniformly distributed are arranged on the air equalizing plate 41, and a baffle curtain capable of adjusting the opening and closing degree is arranged at the outlet of the air nozzle 4; the curtain comprises a fixed curtain 43 and an adjustable curtain 44, wherein the fixed curtain 43 is fixedly arranged at the lower part of the outlet of the tuyere 4, the top of the fixed curtain 43 is in a downward concave arc shape, the adjustable curtain 44 is embedded in a caulking groove at the outlet of the tuyere 4 and can adjust the height relative to the caulking groove, and the bottom of the adjustable curtain 44 is in an upward concave arc shape; the adjustable curtain 44 can close the outlet of the tuyere 4 downward and can enlarge the outlet opening of the tuyere 4 upward.
In order to regulate and control the temperature and humidity of the dry cooling air, a temperature and humidity sensing probe 40 is arranged on the inner side of the baffle curtain, the temperature and humidity sensing probe 40 is 20-30mm away from the inner side of the baffle curtain, the temperature and humidity sensing probe 40 is connected with a controller 7 through a circuit, the temperature and humidity sensing probe 40 can sense the temperature and humidity of the dry cooling air at the outlet of the tuyere 4 in real time and feed back the temperature and humidity to the controller 7, the controller 7 can display the temperature and humidity of the dry cooling air at the outlet of the tuyere 4 in real time, and the controller 7 regulates the temperature and humidity of the dry cooling air at the outlet of the tuyere 4 through regulation and control of the air dryer 2 and the air constant temperature device 3.
In order to give an alarm in time when the temperature and/or humidity of the dry cooling air at the outlet of the tuyere 4 are abnormal, an alarm is arranged on the tuyere 4 and is connected with the controller 7 or the temperature and humidity sensing probe 40 through a circuit, and when the temperature and humidity sensing probe 40 senses that the temperature and humidity of the dry cooling air at the outlet of the tuyere 4 exceeds a set threshold value, the alarm can give an alarm in time.
Further, the air thermostat 3 adopts a die temperature machine, the temperature control precision of the die temperature machine is more than or equal to 0.1 ℃ and the temperature adjustment range is 10-80 ℃; a thermostat controller 31 is provided on the air thermostat 3, and the thermostat controller 31 is connected to the controller 7 via a line. In addition, a temperature sensor 32 is disposed at the outlet of the air thermostat 3, the temperature sensor 32 is connected with a thermostat controller 31 of the air thermostat 3 through a circuit, the thermostat controller 31 can display the temperature of the dry air in real time, and when the temperature monitored by the temperature sensor 32 exceeds a set temperature, the thermostat controller 31 automatically adjusts the temperature of the molding machine to realize constant temperature.
The utility model provides a wet diaphragm casting sheet cooling device which cools a casting sheet from a die head 5 through a tuyere 4, and is characterized in that the air quantity and the temperature of the tuyere 4 are adjustable so as to achieve the cooling effect consistent with a chilling roller 5, and the difference of the two sides of the casting sheet reduces the surface temperature of the casting sheet opposite to the chilling roller 5 through the tuyere 4 so as to keep the crystallinity and the grain size of polyethylene on the two sides consistent, thereby ensuring the consistency of the processing performance on the two sides of the diaphragm.
The above embodiments are only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited by the above embodiments, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the present utility model; the technology not related to the utility model can be realized by the prior art.
Claims (10)
1. A wet diaphragm casting piece cooling device is characterized in that: the device includes fan (1), air dryer (2), air thermostat (3), tuyere (4), fan (1) are linked together with air dryer (2) through the tuber pipe in order to provide the air, air dryer (2) are linked together with air thermostat (3) through the tuber pipe in order to provide the dry air, air thermostat (3) are linked together with tuyere (4) through the tuber pipe in order to provide the constant temperature air, the export of tuyere (4) sets up towards the diaphragm casting piece dorsal part on chill roll (6), tuyere (4) can provide the dry cooling air of constant temperature quantitative to the diaphragm casting piece dorsal part on chill roll (6), cool off the diaphragm casting piece.
2. The wet diaphragm casting cooling apparatus according to claim 1, wherein: the front part of the inner cavity of the air nozzle (4) is provided with an air equalizing plate (41), the inner cavity of the air nozzle (4) at the rear side of the air equalizing plate (41) is an air equalizing cavity, the air equalizing plate (41) is provided with evenly distributed air outlet holes (42), and the outlet of the air nozzle (4) is provided with a baffle curtain capable of adjusting the opening and closing degree.
3. The wet diaphragm casting cooling apparatus according to claim 2, wherein: the stop curtain comprises a fixed stop curtain (43) and an adjustable stop curtain (44) with adjustable positions, wherein the fixed stop curtain (43) is fixedly arranged at the lower part of the outlet of the tuyere (4), and the top of the fixed stop curtain (43) is in a downward sunken arc shape; the adjustable baffle curtain (44) is embedded in the caulking groove at the outlet of the tuyere (4) and can adjust the height relative to the caulking groove, and the bottom of the adjustable baffle curtain (44) is in an upward concave arc shape; the adjustable baffle curtain (44) can downwards close the outlet of the tuyere (4) and upwards expand the opening of the outlet of the tuyere (4).
4. A wet diaphragm casting cooling apparatus according to claim 2 or 3, wherein: the inside of keeping off the curtain is equipped with temperature and humidity sensing probe (40), and temperature and humidity sensing probe (40) are 20-30mm apart from the inboard of keeping off the curtain, and temperature and humidity sensing probe (40) are connected with controller (7) through the circuit, and this temperature and humidity sensing probe (40) can real-time response tuyere (4) exit dry cooling air's temperature and humidity and feed back to controller (7), and controller (7) can real-time display tuyere (4) exit dry cooling air's temperature and humidity.
5. The wet diaphragm casting cooling apparatus according to claim 4, wherein: the air nozzle (4) is provided with an alarm, the alarm is connected with the controller (7) or the temperature and humidity sensing probe (40) through a circuit, and when the temperature and humidity of the dry cooling air at the outlet of the air nozzle (4) is sensed by the temperature and humidity sensing probe (40) in real time to exceed a set threshold value, the alarm can give an alarm in time.
6. The wet diaphragm casting cooling apparatus according to claim 1, wherein: the back of the air nozzle (4) is connected with the tail end of the air pipe through a rotating mechanism, so that the air nozzle (4) can rotate up and down relative to the air pipe.
7. The wet diaphragm casting cooling apparatus according to claim 1, wherein: the air constant temperature device (3) adopts a die temperature machine, the temperature control precision of the die temperature machine is more than or equal to 0.1 ℃ and the temperature adjustment range is 10-80 ℃; the air thermostat (3) is provided with a thermostat controller (31), and the thermostat controller (31) is connected with the controller (7) through a circuit.
8. The wet diaphragm casting cooling apparatus according to claim 1 or 7, wherein: the outlet of the air thermostat (3) is provided with a temperature sensor (32), the temperature sensor (32) is connected with a thermostat controller (31) of the air thermostat (3) through a circuit, the thermostat controller (31) can display the temperature of dry air in real time, and meanwhile, when the temperature monitored by the temperature sensor (32) exceeds a set temperature, the temperature of the thermostat controller (31) automatically adjusts the temperature of the molding machine, so that the temperature is constant.
9. The wet diaphragm casting cooling apparatus according to claim 1, wherein: the air dryer (2) adopts an adsorption dryer, and the air dryer (2) is connected with the controller (7) through a circuit.
10. The wet diaphragm casting cooling apparatus according to claim 1, wherein: the fan (1) adopts an adjustable fan, and the fan (1) is connected with the controller (7) through a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321014974.6U CN219926693U (en) | 2023-04-28 | 2023-04-28 | Wet process diaphragm casting piece cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321014974.6U CN219926693U (en) | 2023-04-28 | 2023-04-28 | Wet process diaphragm casting piece cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219926693U true CN219926693U (en) | 2023-10-31 |
Family
ID=88503419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321014974.6U Active CN219926693U (en) | 2023-04-28 | 2023-04-28 | Wet process diaphragm casting piece cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219926693U (en) |
-
2023
- 2023-04-28 CN CN202321014974.6U patent/CN219926693U/en active Active
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| GR01 | Patent grant | ||
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