CN109130043B - Air suction device for casting equipment - Google Patents
Air suction device for casting equipment Download PDFInfo
- Publication number
- CN109130043B CN109130043B CN201811161602.XA CN201811161602A CN109130043B CN 109130043 B CN109130043 B CN 109130043B CN 201811161602 A CN201811161602 A CN 201811161602A CN 109130043 B CN109130043 B CN 109130043B
- Authority
- CN
- China
- Prior art keywords
- baffle
- cavity
- cover body
- air suction
- vacuum 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.)
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Links
- 238000005266 casting Methods 0.000 title claims abstract description 24
- 238000009413 insulation Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000779 smoke Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- B29C41/26—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 a rotating drum
-
- 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
- B29C41/50—Shaping under special conditions, e.g. vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a negative pressure air suction device for casting equipment, which comprises an air suction cover body, an exhaust pipe arranged on the air suction cover body and an exhaust device connected with the exhaust pipe, wherein a first vacuum cavity and a second vacuum cavity are arranged in the air suction cover body, and a diversion cavity is also arranged in the air suction cover body and is respectively communicated with the exhaust pipe, the first vacuum cavity and the second vacuum cavity. The air draft device can vacuumize the split flow cavity, the first vacuum cavity and the second vacuum cavity of the air draft cover body through the air draft tube, so that the casting film is well attached to the cold roll for cooling forming. The second vacuum cavity is used for removing high-temperature oil smoke and gas in the film production process, the first vacuum cavity is used for removing the high-temperature oil smoke and air which cannot be completely pumped away by the second vacuum cavity and dust attached to the surface of the cold roller, and a vacuum environment is provided for the second vacuum cavity, so that the air suction effect of the air suction device is better, and the rejection rate of the casting film is effectively reduced.
Description
Technical Field
The invention relates to the technical field of casting film processing equipment, in particular to a negative pressure air suction device used on a cold roller of casting equipment.
Background
The production process of the casting film includes extruding molten plastic, forming film, leaving the die head, cooling and setting the molten plastic to reach the low temperature casting roller surface, drawing and trimming, and winding the product to obtain film with certain toughness.
In order to avoid that the casting roller brings air between the film and the cold roller when rotating, bubbles are generated, the cooling effect is reduced, the forming quality of the film is influenced, meanwhile, in order to enable the casting film to be well attached to the surface of the cold roller, a negative pressure air suction device for casting film production is arranged above the cold roller, the tight contact between the molten film and the cold roller is ensured, and the forming effect and quality of the plastic film are improved.
At present, in the domestic film production process, a single-chamber negative pressure air suction device is used; some adopt the dual chamber, but the air current circulation in the cavity is poor, and the inner wall is easy to condense the oil drop, and some oil drops directly drop on the chill roll, seriously influence the quality of film. In addition, the existing double-chamber negative pressure air suction device generally adopts a double-suction fan, and is complex in system structure, high in cost and high in energy consumption.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a negative pressure air suction device for casting film production, which has the advantages of simple structure and lower energy consumption, and can effectively extract gas and high-temperature oil smoke generated in the production process, reduce oil smoke condensation and reduce the rejection rate.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a casting equipment is with negative pressure suction device, includes the cover body that induced drafts, sets up exhaust column on this cover body that induced drafts and the updraft ventilator who is connected with this exhaust column, the cover body that induced drafts is internal to be provided with first vacuum chamber and second vacuum chamber, its characterized in that: and a shunt cavity is further arranged in the air suction cover body and is respectively communicated with the exhaust pipe, the first vacuum cavity and the second vacuum cavity.
Further, a diversion bracket is fixedly installed in the air suction cover body, sealing plates are fixed on the bottom surface and the lower parts of the two side surfaces of the diversion bracket, a diversion cavity is formed between the sealing plates and the air suction cover body, the top of the diversion cavity is communicated with the exhaust pipe, and a first opening and a second opening which are communicated with the first vacuum cavity and the second vacuum cavity are respectively arranged on the upper parts of the two side surfaces of the diversion cavity.
Further, two sets of adjusting mechanisms for adjusting the sizes of the first opening and the second opening are further arranged in the flow distribution cavity, each adjusting mechanism comprises a guide groove, an air quantity adjusting plate and a rocker, the two guide grooves are respectively fixed on the flow distribution support and located on two sides of the opening, two sides of the air quantity adjusting plate are nested in the guide grooves, racks are fixed on the air quantity adjusting plates, two ends of each rocker are installed on the air suction cover body through bearings, and gears meshed with the racks are installed on each rocker.
Further, the air suction cover body comprises a mounting frame, a lateral baffle which is adjustably mounted with the mounting frame, a lateral cold roller baffle which is movably arranged on the lateral baffle, a mounting plate, a heat insulation plate, a middle baffle which is fixed at the bottom of the flow distribution cavity, a middle cold roller baffle which is adjustably mounted on the middle baffle and two side sealing plates; the side baffle, the side cold roller baffle, the middle cold roller baffle and the shunt cavity are enclosed to form the first vacuum cavity, and the heat insulation plate, the mounting plate, the middle baffle, the middle cold roller baffle and the shunt cavity are enclosed to form the second vacuum cavity.
Further, the lateral baffle is connected with the mounting frame through a lateral baffle adjusting bolt.
Further, the induced draft cover body further comprises a cold roll baffle mounting plate fixed on the lateral baffle, and the lateral cold roll baffle is connected with the cold roll baffle mounting plate through a cold roll baffle adjusting bolt.
Further, the middle cold roller baffle is connected with the middle baffle through a middle cold roller baffle adjusting bolt, and the middle baffle is provided with a buckling groove and an oil receiving groove for receiving oil drops dropping from the upper part; the lateral baffle is provided with meshes and hooks for uniform airflow, and the hooks are fastened with the fastening grooves.
Further, the lateral chill roll dams and the intermediate chill roll dams are felt plates that prevent the chill roll from being scratched.
Further, a heat insulation cavity is enclosed between the heat insulation plate and the die head of the casting device.
The beneficial effects of the invention are as follows: in practical application, only one exhaust device is needed to realize the air extraction of the first vacuum cavity and the second vacuum cavity through the exhaust pipe, the system is simple in structure and low in energy consumption, the air flow in the device is good in ventilation, high-temperature oil smoke and gas generated in the production process are effectively extracted, and the condensation of oil drops is reduced; in addition, the movement of the air quantity adjusting plate can be controlled through the remote rod of the flow distribution cavity, and then the air draft quantity of the first vacuum cavity and the air draft quantity of the second vacuum cavity can be adjusted according to the requirements of different processes; the cold roller baffle adopts the felt plate, so that the cold roller can be effectively prevented from being scratched, and the practicability is high; the design of the double-chamber negative pressure air suction device is adopted, so that the film is better attached to the surface of the cold roller, the uniformity of the film is improved, the air gap and necking are reduced, and the edge of the film is stabilized; the heat insulation cavity is arranged between the die head and the negative pressure air suction device, so that the heat transfer from the high-temperature die head to the negative pressure air suction device is reduced, and the thermal deformation of the negative pressure air suction device is effectively reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic overall view of the structure of the present invention.
Fig. 2 is a schematic structural view of the sealing plate and the suction hood of fig. 1 after being disassembled.
FIG. 3 is a schematic three-dimensional structure of the shunt chamber of the present invention.
Detailed Description
As shown in fig. 1, 2 and 3, a negative pressure air suction device for casting equipment comprises an air suction cover body 1, an air suction pipe 2 arranged on the air suction cover body 1 and an air suction device connected with the air suction pipe 2. The air suction cover body 1 is internally provided with a split-flow cavity 9, a first vacuum cavity 3 and a second vacuum cavity 4, and the split-flow cavity 9 is respectively communicated with the exhaust pipe 2, the first vacuum cavity 3 and the second vacuum cavity 4.
In practical application, the exhaust device is used for vacuumizing the interior of the exhaust hood body 1 through the exhaust pipe 2, and is divided into two parts after passing through the shunt cavity 9, so as to vacuumize the first vacuum cavity 3 and the second vacuum cavity 4 respectively. The second vacuum chamber 4 can remove residual bubbles and high-temperature oil smoke on the surface of the cold roller, and reduce the gas layer forming area between the molten polymer and the cold roller. The first vacuum chamber 3 can stabilize the film forming area, reduce air gaps and necking, stabilize the edges of the film, improve the forming effect and quality of the plastic film, and reduce the rejection rate.
In this embodiment, the air suction cover 1 includes a mounting frame 5, a lateral baffle 6 adjustably mounted on the mounting frame 5, a lateral cold roller baffle 19 movably disposed on the lateral baffle 6, a mounting plate 8, a heat insulation plate 7, a middle partition plate 22 fixed on the bottom of the flow distribution cavity 9, a middle cold roller baffle 25 adjustably mounted on the middle partition plate 22, and two side sealing plates 15. The lateral baffle 6, the lateral cold roller baffle 19, the middle baffle 22, the middle cold roller baffle 25 and the shunt cavity 9 are enclosed to form the first vacuum cavity 3, and the heat insulation plate 7, the mounting plate 8, the middle baffle 22, the middle cold roller baffle 25 and the shunt cavity 9 are enclosed to form the second vacuum cavity 4.
A diversion bracket 101 is fixedly arranged in the air suction cover body 1, sealing plates 102 are fixed at the bottoms of the bottom surface and the two side surfaces of the diversion bracket 101, and a diversion cavity 9 is formed between the sealing plates 102 and the air suction cover body 1. The top of the shunt cavity 9 is communicated with the exhaust pipe 2, and a first opening 103 and a second opening 104 which are respectively communicated with the first vacuum cavity 3 and the second vacuum cavity 4 are respectively arranged on the upper parts of the two side surfaces of the shunt cavity 9.
Further, two sets of adjusting mechanisms with the same structure are also installed in the shunt cavity 9, and are respectively used for adjusting the opening sizes of the first opening 103 and the second opening 104. The adjusting mechanism comprises a guide groove 29, an air quantity adjusting plate 12 and a rocker 13. The guide grooves 29 are provided with two guide grooves, which are respectively fixed on the split-flow bracket 101 and are positioned at two sides of the opening. The two sides of the air quantity adjusting plate 12 are nested in the guide groove, a rack 11 is fixed on the air quantity adjusting plate 12, and two ends of a rocker 13 are arranged on a sealing plate 15 of the air suction cover body through bearings 14. A gear 10 engaged with the rack 11 is mounted on the rocker 13. In practical application, the opening sizes of the first opening 103 and the second opening 104 can be adjusted according to different process requirements, specifically, the air quantity adjusting plate 12 can be moved up and down along the guide groove 29 by rotating the remote rod 13 corresponding to the adjusting mechanism, and then the opening size of the upper part of the first opening 103 or the second opening 104 is changed, so that the air suction quantity of the first vacuum chamber 3 or the second vacuum chamber 4 is changed, and the air quantity adjusting plate is adapted to different process requirements.
Specifically, the lateral baffle 6 is connected with the mounting frame 5 through the lateral baffle adjusting bolt 1.
In this embodiment, the suction hood 1 further includes a cold roll baffle mounting plate 18 fixed to the lateral baffle 6, and the lateral cold roll baffle 19 is connected to the cold roll baffle mounting plate 18 through a cold roll baffle adjusting bolt 17.
Specifically, the lateral cold roller baffle 19 is a felt plate with soft texture, and can prevent the cold roller from being scratched in the installation and use processes, and the installation height of the lateral cold roller baffle 19 can be flexibly adjusted through the cold roller baffle adjusting bolt 17, so that the lateral cold roller baffle 19 is suitable for cold rollers with different sizes.
In the present embodiment, the intermediate cold roll screen 25 is connected to the intermediate screen 2 by means of intermediate cold roll screen adjusting bolts 26. The middle partition 22 is provided with a buckling groove 23 and an oil receiving groove 24 for receiving oil drops falling from above. The lateral baffle 6 is provided with a mesh 20 and hooks 21 for uniform air flow, and the hooks 21 are buckled with the buckling grooves 23. When the air flow flows in the first vacuum cavity 3, the air flow becomes more uniform and stable after passing through the meshes, so that the stress of the film is more uniform, and the film quality is ensured. The hook 21 is buckled with the buckling groove 23, so that the lateral baffle 6 and the whole air suction cover body 1 can be more stable.
Specifically, the middle cold roller baffle 25 is a felt plate with soft texture, and can prevent the cold roller from being scratched in the installation and use processes, and the installation height of the middle cold roller baffle can be flexibly adjusted through the middle cold roller baffle adjusting bolts 26, so that the middle cold roller baffle is suitable for cold rollers with different sizes.
In this embodiment, the heat insulation cavity 27 is formed between the heat insulation plate 7 and the die head 28 of the casting device, so that heat transfer from the high-temperature die head to the negative pressure air suction device is reduced, thermal deformation of the negative pressure air suction device is effectively reduced, and the negative pressure air suction device is prevented from colliding with the cold roller.
The above description is only for the purpose of illustrating the technical solution of the present invention, but not for the purpose of limiting the scope of the invention, and simple modifications and equivalent substitutions of the technical solution of the present invention by those of ordinary skill in the art will not depart from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a casting equipment is with negative pressure suction device, includes the cover body (1) that induced drafts, sets up exhaust column (2) on this cover body (1) that induced drafts and the updraft ventilator who is connected with this exhaust column (2), be provided with first vacuum chamber (3) and second vacuum chamber (4), its characterized in that in the cover body (1) induced drafts: a shunt cavity (9) is further arranged in the air suction cover body (1), and the shunt cavity (9) is respectively communicated with the exhaust pipe (2), the first vacuum cavity (3) and the second vacuum cavity (4);
a diversion bracket (101) is fixedly arranged in the air suction cover body (1), sealing plates (102) are fixed on the bottom surface and the lower parts of the two side surfaces of the diversion bracket (101), a diversion cavity (9) is formed between the sealing plates (102) and the air suction cover body (1), the top of the diversion cavity (9) is communicated with the exhaust pipe (2), and a first opening (103) and a second opening (104) which are respectively communicated with the first vacuum cavity (3) and the second vacuum cavity (4) are respectively arranged on the two side surfaces of the diversion cavity (9);
two sets of adjusting mechanisms for adjusting the sizes of the first opening and the second opening are further arranged in the flow distribution cavity (9), each adjusting mechanism comprises a guide groove (29), an air quantity adjusting plate (12) and a rocker (13), the two guide grooves (29) are respectively fixed on the flow distribution support (101) and are positioned on two sides of the opening, two sides of the air quantity adjusting plate (12) are nested in the guide grooves, racks (11) are fixed on the air quantity adjusting plate (12), two ends of each rocker (13) are arranged on the air suction cover body (1) through bearings (14), and gears (10) meshed with the racks (11) are arranged on each rocker (13);
the air suction cover body (1) comprises a mounting frame (5), a lateral baffle (6) which is adjustably mounted with the mounting frame (5), a lateral cold roller baffle (19) which is movably arranged on the lateral baffle (6), a mounting plate (8), a heat insulation plate (7), a middle partition plate (22) which is fixed at the bottom of the flow distribution cavity (9), a middle cold roller baffle (25) which is adjustably mounted on the middle partition plate (22) and two side sealing plates (15);
the side direction baffle (6), side direction chill roll baffle (19), middle baffle (22), middle chill roll baffle (25) and reposition of redundant personnel chamber (9) enclose and establish into first vacuum chamber (3), heat insulating board (7), mounting panel (8), middle baffle (22), middle chill roll baffle (25) and reposition of redundant personnel chamber (9) enclose and establish into second vacuum chamber (4).
2. The negative pressure suction device for a casting apparatus according to claim 1, wherein: the lateral baffle (6) is connected with the mounting frame (5) through a lateral baffle adjusting bolt (16).
3. The negative pressure suction device for a casting apparatus according to claim 1, wherein: the induced draft cover body (1) further comprises a cold roll baffle mounting plate (18) fixed on the lateral baffle (6), and the lateral cold roll baffle (19) is connected with the cold roll baffle mounting plate (18) through a cold roll baffle adjusting bolt (17).
4. The negative pressure suction device for a casting apparatus according to claim 1, wherein: the middle cold roller baffle (25) is connected with the middle baffle (22) through a middle cold roller baffle adjusting bolt (26), and the middle baffle (22) is provided with a buckling groove (23) and an oil receiving groove (24) for receiving oil drops dropping from the upper part;
the lateral baffle (6) is provided with a mesh (20) and a hook (21) for uniform airflow, and the hook (21) is buckled with the buckling groove (23).
5. The negative pressure suction device for a casting apparatus according to claim 1, wherein: the lateral chill roll baffles (19) and the intermediate chill roll baffles (25) are felt plates that prevent the chill roll from being scratched.
6. Negative pressure suction device for casting apparatus according to any one of claims 2 to 5, characterized in that: a heat insulation cavity (27) is formed between the heat insulation plate (7) and a die head (28) of the casting equipment in a surrounding mode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811161602.XA CN109130043B (en) | 2018-09-30 | 2018-09-30 | Air suction device for casting equipment |
| PCT/CN2019/096582 WO2020063060A1 (en) | 2018-09-30 | 2019-07-18 | Air suction device for casting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811161602.XA CN109130043B (en) | 2018-09-30 | 2018-09-30 | Air suction device for casting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109130043A CN109130043A (en) | 2019-01-04 |
| CN109130043B true CN109130043B (en) | 2024-02-20 |
Family
ID=64810488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811161602.XA Active CN109130043B (en) | 2018-09-30 | 2018-09-30 | Air suction device for casting equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109130043B (en) |
| WO (1) | WO2020063060A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130043B (en) * | 2018-09-30 | 2024-02-20 | 广东省智能制造研究所 | Air suction device for casting equipment |
| CN112793066A (en) * | 2020-12-29 | 2021-05-14 | 新乐华宝塑料机械有限公司 | Forming vacuum box device for plastic extrusion casting film machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4310295A (en) * | 1981-01-28 | 1982-01-12 | E. I. Du Pont De Nemours And Company | Device for uniform web pinning |
| US5618568A (en) * | 1995-02-01 | 1997-04-08 | Extrusion Dies, Inc. | Dual-chamber vacuum box |
| WO1998040198A1 (en) * | 1997-03-12 | 1998-09-17 | Lupke Manfred Arno Alfred | Method and apparatus of cooling product within a mold |
| JP2007003156A (en) * | 2005-06-27 | 2007-01-11 | Koken Ltd | Push-pull type ventilator |
| CN201416871Y (en) * | 2009-05-09 | 2010-03-03 | 金林宝 | Smoke suction lamp |
| JP2013180507A (en) * | 2012-03-02 | 2013-09-12 | Optmate Corp | Apparatus and method for manufacturing embossed film |
| CN204604709U (en) * | 2015-04-22 | 2015-09-02 | 东莞市鑫晖达机械制造有限公司 | Casting films is produced and is used negative-pressure vacuum device |
| CN209207848U (en) * | 2018-09-30 | 2019-08-06 | 广东省智能制造研究所 | Casting apparatus air intake device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003001655A (en) * | 2001-06-20 | 2003-01-08 | Konica Corp | Cellulose ester film manufacturing apparatus |
| CN101137482B (en) * | 2005-03-07 | 2010-09-08 | 富士胶片株式会社 | Method for casting solution |
| JP2008188941A (en) * | 2007-02-07 | 2008-08-21 | Fujifilm Corp | Solution film forming method and solution film forming equipment |
| CN109130043B (en) * | 2018-09-30 | 2024-02-20 | 广东省智能制造研究所 | Air suction device for casting equipment |
-
2018
- 2018-09-30 CN CN201811161602.XA patent/CN109130043B/en active Active
-
2019
- 2019-07-18 WO PCT/CN2019/096582 patent/WO2020063060A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4310295A (en) * | 1981-01-28 | 1982-01-12 | E. I. Du Pont De Nemours And Company | Device for uniform web pinning |
| US5618568A (en) * | 1995-02-01 | 1997-04-08 | Extrusion Dies, Inc. | Dual-chamber vacuum box |
| WO1998040198A1 (en) * | 1997-03-12 | 1998-09-17 | Lupke Manfred Arno Alfred | Method and apparatus of cooling product within a mold |
| JP2007003156A (en) * | 2005-06-27 | 2007-01-11 | Koken Ltd | Push-pull type ventilator |
| CN201416871Y (en) * | 2009-05-09 | 2010-03-03 | 金林宝 | Smoke suction lamp |
| JP2013180507A (en) * | 2012-03-02 | 2013-09-12 | Optmate Corp | Apparatus and method for manufacturing embossed film |
| CN204604709U (en) * | 2015-04-22 | 2015-09-02 | 东莞市鑫晖达机械制造有限公司 | Casting films is produced and is used negative-pressure vacuum device |
| CN209207848U (en) * | 2018-09-30 | 2019-08-06 | 广东省智能制造研究所 | Casting apparatus air intake device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109130043A (en) | 2019-01-04 |
| WO2020063060A1 (en) | 2020-04-02 |
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