CN114102943A - Polyimide film casting device and using method thereof - Google Patents
Polyimide film casting device and using method thereof Download PDFInfo
- Publication number
- CN114102943A CN114102943A CN202010901167.0A CN202010901167A CN114102943A CN 114102943 A CN114102943 A CN 114102943A CN 202010901167 A CN202010901167 A CN 202010901167A CN 114102943 A CN114102943 A CN 114102943A
- Authority
- CN
- China
- Prior art keywords
- polyimide film
- film casting
- casting apparatus
- conduit
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920001721 polyimide Polymers 0.000 title claims abstract description 36
- 238000005266 casting Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims description 8
- 239000002994 raw material Substances 0.000 claims abstract description 28
- 238000005192 partition Methods 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007790 scraping Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
- B29C41/28—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on an endless belt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/36—Feeding the material on to the mould, core or other substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/52—Measuring, controlling or regulating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a casting device, in particular to a polyimide film casting device, which comprises: the box body is internally provided with a partition board, the partition board divides the box body into a first cavity and a second cavity, the first cavity is connected with a feeding pipe and a first guide pipe, a discharging port is arranged below the box body, a through hole is formed in the partition board, the partition board is provided with a second guide pipe penetrating through the partition board, the second cavity is connected with a third guide pipe, and a scraping plate is arranged on the side surface of the box body; during the use, the device UNICOM has the air supply, and when the discharge rate slowed down in the discharge gate is followed to the raw materials, atmospheric pressure in the device can rise, increases the discharge rate of raw materials, otherwise, when the discharge rate of raw materials slowed down in the discharge gate, atmospheric pressure can reduce, slows down the discharge rate of raw materials, has realized dynamic balance, guarantees that the raw materials evenly discharges, excellent in use effect.
Description
Technical Field
The invention relates to the technical field of polyimide film production, in particular to a polyimide film casting device and a using method thereof.
Background
The casting machine is a professional equipment of preparation polyimide curtain coating membrane, and when carrying out work, inside the thick liquids through mixing will get into the casting device through feeding device to by the scraper with the coating of predetermined thickness on dedicated baseband, the thick liquids that accomplish the coating can form the film blank after the process of solidification cooling, the staff cuts the blank according to actual demand, processing such as lamination, can obtain the film finished product. Since the mixed slurry generally has a high viscosity, the discharge is easily uneven, and the quality and production efficiency of the polyimide film are reduced.
Disclosure of Invention
The present invention is directed to solving the above problems in the prior art, and provides a polyimide film casting apparatus to solve the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a polyimide film casting device, comprising: the box, be provided with the baffle in the box, the baffle divide into first cavity and second cavity to the box, be connected with inlet pipe and first pipe on the first cavity, the box below is provided with the discharge gate, be provided with the through-hole on the baffle, be provided with the second pipe that runs through the baffle on the baffle, be connected with the third pipe on the second cavity, the box side is provided with the scraper blade.
Preferably, the box has the scraper blade through first hinged joint, the box has the regulating plate through second hinged joint, be provided with the spring between scraper blade and the regulating plate.
Preferably, the box body is provided with a fixed plate, and a telescopic rod is connected between the fixed plate and the adjusting plate.
Preferably, a third hinge is arranged between the telescopic rod and the adjusting plate, and a fourth hinge is arranged between the telescopic rod and the fixing plate.
Preferably, the axes of the first hinge, the second hinge, the third hinge and the fourth hinge are all parallel to each other.
Preferably, the inner diameter of the first conduit is larger than that of the second conduit, and the inner diameter of the second conduit is larger than that of the third conduit, so that the air pressure in the first chamber is larger than that in the second chamber, and the air pressure in the second chamber is larger than the external atmospheric pressure.
Preferably, the upper end of the second conduit is higher than the partition plate.
Preferably, a heater is arranged on the side surface of the box body.
Preferably, the first conduit is connected to a gas source through a valve.
Preferably, the method for using the polyimide film casting device comprises the following steps:
step 1: the feeding pipe is connected with a raw material storage device of raw materials for producing the polyimide film, and feeds the raw materials into the device;
step 2: opening a valve of the first conduit, and adjusting the size of the valve according to requirements to enable the discharging speed of the discharging port to meet the use requirement;
step 3: the length of the telescopic rod is adjusted to enable the thickness of the polyimide film scraped by the scraper to meet the requirement;
step 4: starting the machine to produce the polyimide film.
The invention has the beneficial effects that: during the use, the device UNICOM has the air supply, when the discharge velocity slows down from the discharge gate as the raw materials, atmospheric pressure in the device can rise, increases the discharge velocity of raw materials, otherwise, when the discharge velocity of raw materials slows down in the discharge gate, atmospheric pressure can reduce, the discharge velocity of the raw materials that slows down has realized dynamic balance, guarantee that the raw materials evenly discharges, excellent in use effect, simultaneously, the device has two cavities, can play the cushioning effect to the atmospheric pressure change in the device, make the raw materials discharge more evenly.
Drawings
The foregoing aspects and advantages of the invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of the structure of a polyimide film casting apparatus of an embodiment of the present invention;
FIG. 2 is a schematic front view of a polyimide film casting apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic configuration diagram of the internal structure of a polyimide film casting apparatus of an embodiment of the present invention;
FIG. 4 is another schematic view of the structure of a polyimide film casting apparatus according to an embodiment of the present invention.
Description of reference numerals:
in fig. 1-4, a case 1; a feeding pipe 2; a first conduit 3; a heater 4; a fixed plate 5; a telescopic rod 6; an adjusting plate 7; a squeegee 8; a spring 9; a discharge port 10; a third conduit 11; a through hole 12; a partition plate 13; a second conduit 14; a first chamber 15; a second chamber 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a polyimide film casting device, comprising: the box 1 is provided with baffle 13 in the box 1, and baffle 13 is divided into first cavity 15 and second cavity 16 to box 1, is connected with inlet pipe 2 and first pipe 3 on the first cavity 15, and box 1 below is provided with discharge gate 10, is provided with through-hole 12 on the baffle 13, is provided with the second pipe 14 that runs through baffle 13 on the baffle 13, is connected with third pipe 11 on the second cavity 16, and box 1 side is provided with scraper blade 8.
The box body 1 is a metal box body, the partition plate 13 is a stainless steel metal plate, the through hole 12 is a long strip-shaped through hole 12, the feeding pipe 2 is a steel wire hose or a high-pressure rubber pipe, the first guide pipe 3, the second guide pipe 14 and the third guide pipe 11 are all metal pipes, and the scraping plate 8 is a metal plate.
The box 1 has scraper blade 8 through first hinged joint, and box 1 has regulating plate 7 through second hinged joint, is provided with spring 9 between scraper blade 8 and the regulating plate 7, and regulating plate 7 is a metal sheet, and spring 9 is metal spring.
Be provided with fixed plate 5 on the box 1, be connected with telescopic link 6 between fixed plate 5 and the regulating plate 7, telescopic link 6 is for having the electric telescopic handle of outage self-locking function.
A third hinge is arranged between the telescopic rod 6 and the adjusting plate 7, a fourth hinge is arranged between the telescopic rod 6 and the fixing plate 5, and the fixing plate 5 is a metal plate and welded on the box body 1.
The axes of the first hinge, the second hinge, the third hinge and the fourth hinge are all parallel to each other.
The inner diameter of the first conduit 3 is greater than that of the second conduit 14, the inner diameter of the second conduit 14 is greater than that of the third conduit 11, so that the air pressure in the first chamber 15 is greater than that in the second chamber 16, the air pressure in the second chamber 16 is greater than the external atmospheric pressure, the specific diameter can be selected according to requirements, or the inner diameter of the first conduit 3 is selected to be 2-3 times of the inner diameter of the second conduit 14, and the inner diameter of the second conduit 14 is selected to be 2-3 times of the inner diameter of the third conduit 11.
The upper end of the second guide duct 14 is higher than the partition 13.
The heater 4 is arranged on the side surface of the box body 1, the heater 4 is selected according to the required temperature and the size of the box body 1, and the selection standard is that the raw materials in the box body 1 can be heated to the specified temperature.
The first conduit 3 is connected with an air source through a valve, and the valve is a stop valve.
The use method of the polyimide film casting device comprises the following steps:
step 1: the feeding pipe 2 is connected with a raw material storage device of raw materials for producing the polyimide film, and the raw materials are fed into the device, wherein the raw material storage device needs to be pressurized, or a pump is arranged on the feeding pipe 2;
step 2: opening a valve of the first conduit 3, and adjusting the size of the valve according to the requirement to ensure that the discharging speed of the discharging port 10 meets the use requirement;
step 3: the length of the telescopic rod 6 is adjusted to enable the thickness of the polyimide film scraped by the scraper 8 to meet the requirement;
step 4: starting a machine to produce the polyimide film, wherein the machine is an existing polyimide film production device, the device only improves the casting device described in the application document, and other positions are not improved.
During the use, the device UNICOM has the air supply, when the discharge velocity slows down in the raw materials follow discharge gate 10, atmospheric pressure in the device can rise, increase the discharge velocity of raw materials, otherwise, when the discharge velocity of raw materials slows down in discharge gate 10, atmospheric pressure can reduce, the discharge velocity of raw materials slows down, dynamic balance has been realized, guarantee the even discharge of raw materials, excellent in use effect, and simultaneously, the device has two cavities, can play the cushioning effect to the atmospheric pressure change in the device, make the raw materials discharge more evenly.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. A polyimide film casting apparatus comprising: the box, its characterized in that: the improved garbage bin is characterized in that a partition board is arranged in the bin body and divides the bin body into a first cavity and a second cavity, an inlet pipe and a first guide pipe are connected to the first cavity, a discharge hole is formed in the lower portion of the bin body, a through hole is formed in the partition board, a second guide pipe penetrating through the partition board is arranged on the partition board, a third guide pipe is connected to the second cavity, and a scraper is arranged on the side face of the bin body.
2. A polyimide film casting apparatus according to claim 1, wherein: the box has the scraper blade through first hinged joint, the box has the regulating plate through second hinged joint, be provided with the spring between scraper blade and the regulating plate.
3. A polyimide film casting apparatus according to claim 2, characterized in that: the box body is provided with a fixed plate, and a telescopic rod is connected between the fixed plate and the adjusting plate.
4. A polyimide film casting apparatus according to claim 3, characterized in that: a third hinge is arranged between the telescopic rod and the adjusting plate, and a fourth hinge is arranged between the telescopic rod and the fixing plate.
5. The polyimide film casting apparatus according to claim 4, wherein: the axes of the first hinge, the second hinge, the third hinge and the fourth hinge are all parallel to each other.
6. A polyimide film casting apparatus according to claim 1, wherein: the first conduit has an inner diameter greater than an inner diameter of the second conduit, which is greater than an inner diameter of the third conduit.
7. A polyimide film casting apparatus according to claim 1, wherein: the upper end of the second conduit is higher than the clapboard.
8. A polyimide film casting apparatus according to claim 1, wherein: the side of the box body is provided with a heater.
9. A polyimide film casting apparatus according to claim 1, wherein: the first conduit is connected with an air source through a valve.
10. A method of using a polyimide film casting apparatus according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
step 1: the feeding pipe is connected with a raw material storage device of raw materials for producing the polyimide film, and feeds the raw materials into the device;
step 2: opening a valve of the first conduit, and adjusting the size of the valve according to requirements to enable the discharging speed of the discharging port to meet the use requirement;
step 3: the length of the telescopic rod is adjusted to enable the thickness of the polyimide film scraped by the scraper to meet the requirement;
step 4: starting the machine to produce the polyimide film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010901167.0A CN114102943A (en) | 2020-09-01 | 2020-09-01 | Polyimide film casting device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010901167.0A CN114102943A (en) | 2020-09-01 | 2020-09-01 | Polyimide film casting device and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114102943A true CN114102943A (en) | 2022-03-01 |
Family
ID=80360327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010901167.0A Pending CN114102943A (en) | 2020-09-01 | 2020-09-01 | Polyimide film casting device and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114102943A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767394A (en) * | 2010-01-14 | 2010-07-07 | 浙江雷博司电器有限公司 | Automatic control system of epoxy resin gel forming machine |
| CN104890171A (en) * | 2014-03-04 | 2015-09-09 | 富士胶片株式会社 | Casting apparatus, solution film forming facility and method |
| CN107433702A (en) * | 2017-08-23 | 2017-12-05 | 江苏荣耀电气有限公司 | A kind of Polyimide film preparation device |
| CN108819063A (en) * | 2018-06-08 | 2018-11-16 | 温岭市聚氟科技有限公司 | Curtain coating valve and the apparatus for coating for having the curtain coating valve |
-
2020
- 2020-09-01 CN CN202010901167.0A patent/CN114102943A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767394A (en) * | 2010-01-14 | 2010-07-07 | 浙江雷博司电器有限公司 | Automatic control system of epoxy resin gel forming machine |
| CN104890171A (en) * | 2014-03-04 | 2015-09-09 | 富士胶片株式会社 | Casting apparatus, solution film forming facility and method |
| CN107433702A (en) * | 2017-08-23 | 2017-12-05 | 江苏荣耀电气有限公司 | A kind of Polyimide film preparation device |
| CN108819063A (en) * | 2018-06-08 | 2018-11-16 | 温岭市聚氟科技有限公司 | Curtain coating valve and the apparatus for coating for having the curtain coating valve |
Non-Patent Citations (1)
| Title |
|---|
| 唐传林等: "《绝缘材料工艺原理》", vol. 1, 机械工业出版社, pages: 242 - 244 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220301 |
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| WD01 | Invention patent application deemed withdrawn after publication |