CN111434393A - Film drying device - Google Patents
Film drying device Download PDFInfo
- Publication number
- CN111434393A CN111434393A CN201910970528.4A CN201910970528A CN111434393A CN 111434393 A CN111434393 A CN 111434393A CN 201910970528 A CN201910970528 A CN 201910970528A CN 111434393 A CN111434393 A CN 111434393A
- Authority
- CN
- China
- Prior art keywords
- air
- air knife
- film
- drying apparatus
- film drying
- 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
- 238000001035 drying Methods 0.000 title claims abstract description 38
- 239000011248 coating agent Substances 0.000 claims description 43
- 238000000576 coating method Methods 0.000 claims description 43
- 239000007788 liquid Substances 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 32
- 230000000694 effects Effects 0.000 description 5
- 238000007664 blowing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/12—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed after the application
Abstract
The invention relates to a film drying device, which comprises a gas conveying device, an air knife and an air knife supporting seat, wherein an air pipe is arranged between the gas conveying device and the air knife, a cavity is arranged in the air knife, an air nozzle is arranged at the tail end of the air knife, an air equalizing device is arranged at the joint of the air knife and the air pipe, an air nozzle rotating shaft is arranged at the air nozzle, an air deflector is arranged on the air nozzle rotating shaft, and air in the air knife cavity forms stable and uniform airflow through the air nozzle and the air deflector to dry a film to be dried. The invention homogenizes the drying air flow to form stable and uniform air flow so as to improve the performance of the film after being dried.
Description
Technical Field
The invention belongs to drying equipment, and particularly relates to a coating film drying device.
Background
In the solution printing of the existing functional material thin film, the drying of the wet film is very important. Common drying modes include hot air blowing, heating, vacuumizing and the like, different film drying modes can enable the film to have different appearance characteristics, and the properties of the functional film can be influenced by the films with different appearances. In some cases, the drying air flow of the drying device has a great influence on the properties of the film. However, the existing film drying devices do not consider how to homogenize the drying air flow to form a stable and uniform air flow.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a film drying apparatus, which homogenizes a drying air flow to form a stable and uniform air flow, so as to improve the performance of a film after being dried.
The invention is realized in such a way, and provides a film drying device, which comprises a gas conveying device, an air knife and an air knife supporting seat, wherein the gas conveying device is connected with the air knife through an air pipe, the air knife is fixed on the air knife supporting seat, a cavity is arranged in the air knife, an air nozzle is arranged at the tail end of the air knife, an air equalizing device is arranged at the joint of the air knife and the air pipe, the inner diameter of the cavity of the air knife is gradually narrowed along the position of the air nozzle, an air nozzle rotating shaft is arranged at the air nozzle, an air guide plate is arranged on the air nozzle rotating shaft, and air in the cavity of the air knife forms stable and uniform airflow through the air nozzle and the air guide plate to dry a film.
Furthermore, the air knife is of a symmetrical structure and is provided with two support arms, and the tail end of each support arm is provided with an air nozzle, an air nozzle rotating shaft and an air deflector.
Furthermore, the air equalizing device is provided with an air inlet end and an air outlet end, and a separating baffle is arranged in the air equalizing device.
The film drying device further comprises a coating machine table for placing the film to be dried, a coating die head, a coating liquid conveying pipe and a coating liquid pump, wherein the substrate to be coated is placed on the coating machine table, the coating liquid pump is used for conveying liquid to the coating die head through the coating liquid conveying pipe, and the coating die head is used for coating the substrate.
Further, the air knife supporting seat is fixed on a coating machine, and the substrate coated with the film is conveyed to the position of the air knife by the coating machine and dried by stable and uniform air flow.
Further, the air knife supporting base is fixed with the coating die head and moves along with the coating die head, and the coated substrate film is dried by the air knife through smooth and uniform air flow.
Furthermore, an air knife lifting device is arranged on the air knife supporting seat.
Further, film drying device still sets up control system and pivot motor, control system controls gas conveying equipment, air knife elevating gear and pivot motor respectively, pivot motor drive tuyere pivot is rotated, control system controls the turned angle of tuyere pivot through the pivot motor.
Further, the gas delivery device is an air compressor or a vacuum pump.
Compared with the prior art, the film drying device has the following characteristics:
1. drying the coating film is realized.
2. The air equalizing device of the device can enable the dried air flow to be flat and uniform, and is beneficial to drying the film.
3. The lifting function of the air knife of the device can freely and finely adjust the drying effect of the film.
4. The air deflector at the end of the air knife can rotate around the shaft to finely adjust the drying effect and avoid influencing the solution of the coating die.
5. The control system can accurately read and adjust the height and angle of the air knife and the power of the gas delivery device.
Drawings
FIG. 1 is a schematic plan view of a preferred embodiment of the present invention;
FIG. 2 is a schematic plan view of another preferred embodiment of the present invention;
fig. 3 is a perspective view of the wind equalizing device in fig. 1.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1, a preferred embodiment of the film drying apparatus of the present invention includes a gas conveying device 1, an air knife 2 and an air knife supporting base 3. The air conveying device 1 is connected with the air knife 2 through an air pipe 4. The air knife 2 is fixed on the air knife supporting seat 3.
A cavity is arranged in the air knife 2, and the tail end of the cavity is provided with an air nozzle 5. And an air equalizing device 6 is arranged at the joint of the air knife 2 and the air pipe 4. The air from the air conveying device 1 enters the air equalizing device 6 through the air pipe 4, is equalized by the air equalizing device 6 and then enters the cavity of the air knife 2. The inner diameter of the cavity of the air knife 2 is gradually narrowed along the position of the air nozzle 5, and the air flow speed at the air nozzle 5 is improved under the same air pressure.
And a tuyere rotating shaft 7 is arranged at the tuyere 5. And the air guide plate 8 is arranged on the air nozzle rotating shaft 7. The air in the cavity of the air knife 2 forms stable and uniform airflow through the air nozzle 5 and the air deflector 8 to dry the film A to be dried. The air deflector 8 rotates around the air nozzle rotating shaft 7, and the air deflector 8 changes the flow direction of air blown out from the air nozzle 5. The rotatable air deflector 8 is provided to finely adjust the drying effect of the film.
The air knife 2 is arranged in a symmetrical structure and is provided with two support arms 9. And the tail end of each support arm 9 is provided with a blast nozzle 5, a blast nozzle rotating shaft 7 and an air deflector 8. The two air nozzles 5 dry the film A through respective air deflectors 8, and the drying effect of the film is improved.
Referring to fig. 3, the air equalizing device 6 is provided with an air inlet end 61 and an air outlet end 62. A separating baffle 63 is arranged in the air equalizing device 6. The wind equalizing device 6 is divided into a plurality of parallel ventilation channels by the separating baffles 63, and the cavity space of the tubular wind equalizing device 6 is divided into a plurality of narrow flat spaces by arranging the separating baffles 63, so that wind can be changed into uniform and flat fluid when passing through the wind equalizing device 6.
The film drying device also comprises a coating machine table 10 for placing the film A to be dried, a coating die head 11, a coating liquid conveying pipe 12, a coating liquid pump 13, a control system 14 and a rotating shaft motor 15. The substrate to be coated is placed on the coating machine 10, the coating liquid pump 13 is used for delivering liquid to the coating die head 11 through the coating liquid delivery pipe 12, and the coating die head 11 is used for coating the substrate.
The air knife supporting seat 3 is fixed on the coating machine 10, and the substrate coated with the film is sent to the position of the air knife 2 by the coating machine 10 to be dried by blowing. An air knife lifting device (not shown in the figure) is arranged on the air knife supporting seat 3.
The control system 14 controls the gas conveying equipment 1, the air knife lifting device and the rotating shaft motor 15 respectively. The rotating shaft motor 15 drives the air nozzle rotating shaft 7 to rotate. The control system 14 controls the rotation angle of the tuyere rotating shaft 7 through a rotating shaft motor 15.
The gas conveying equipment 1 is an air compressor or a vacuum pump. If the gas conveying device 1 is a vacuum pump, the flow direction of the wind is reversed.
Example 2
Referring to fig. 2, another preferred embodiment of the film drying apparatus of the present invention is shown. In this embodiment, the air knife support base 3 is fixed to the coating die 11 and moves together with the coating die 11. The coated substrate film a is then dried by the air knife 2.
The difference between this embodiment and embodiment 1 is only that the mounting and fixing manner of the air knife supporting seat 3 is different, and the other structures are the same as those in embodiment 1 and are not described again.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A film drying device comprises a gas conveying device, an air knife and an air knife supporting seat, wherein the gas conveying device is connected with the air knife through an air pipe, the air knife is fixed on the air knife supporting seat, a cavity is arranged in the air knife, and an air nozzle is arranged at the tail end of the air knife.
2. The film drying apparatus of claim 1, wherein the air knife is provided in a symmetrical structure having two arms, and the air nozzle, the air nozzle rotating shaft and the air deflector are provided at the end of each arm.
3. The film drying apparatus according to claim 1 or 2, wherein the air equalizing device is provided with an air inlet end and an air outlet end, and a partition plate is provided in the air equalizing device.
4. The film drying apparatus according to claim 3, further comprising a coater station on which the film to be dried is placed, a coating die, a coating liquid delivery pipe, and a coating liquid pump, wherein the substrate to be coated is placed on the coater station, the coating liquid pump delivers the coating liquid to the coating die through the coating liquid delivery pipe, and the coating die coats the substrate.
5. The film drying apparatus as claimed in claim 4, wherein the air knife supporting base is fixed to the coating machine, and the substrate coated with the film is conveyed to the air knife by the coating machine and dried by a smooth and uniform air flow.
6. The film drying apparatus as claimed in claim 4, wherein said air knife supporting base is fixed to the coating die and moves together with said coating die, and the coated substrate film is subsequently dried by the air knife through a smooth and uniform air flow.
7. The film drying apparatus as claimed in claim 1, wherein an air knife lifting means is provided on said air knife supporting base.
8. The film drying apparatus according to claim 7, wherein the film drying apparatus further comprises a control system and a spindle motor, the control system controls the gas delivery device, the air knife lifting device and the spindle motor respectively, the spindle motor drives the air nozzle spindle to rotate, and the control system controls the rotation angle of the air nozzle spindle through the spindle motor.
9. The membrane drying apparatus of claim 1, wherein the gas delivery device is an air compressor or a vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910970528.4A CN111434393A (en) | 2019-10-13 | 2019-10-13 | Film drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910970528.4A CN111434393A (en) | 2019-10-13 | 2019-10-13 | Film drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111434393A true CN111434393A (en) | 2020-07-21 |
Family
ID=71580146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910970528.4A Pending CN111434393A (en) | 2019-10-13 | 2019-10-13 | Film drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111434393A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070194A (en) * | 2021-03-16 | 2021-07-06 | 惠州市赢合科技有限公司 | Oven with uniform air outlet |
| CN116118080A (en) * | 2023-04-10 | 2023-05-16 | 天津市嘉诺缘电子科技有限公司 | Film edge smoothing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000080186A (en) * | 1998-09-04 | 2000-03-21 | Teijin Ltd | Production of functional plastic film |
| CN203116473U (en) * | 2013-03-22 | 2013-08-07 | 浙江精诚模具机械有限公司 | Air knife |
| CN207280159U (en) * | 2017-09-22 | 2018-04-27 | 宁夏贺兰山东麓庄园酒业有限公司 | A kind of air knife dryer |
| CN207622450U (en) * | 2017-11-21 | 2018-07-17 | 巢湖市伟业玻璃有限公司 | A kind of household appliance glass cleaning machine air knife drying device |
| CN210730072U (en) * | 2019-10-13 | 2020-06-12 | 杭州纤纳光电科技有限公司 | Film drying device |
-
2019
- 2019-10-13 CN CN201910970528.4A patent/CN111434393A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000080186A (en) * | 1998-09-04 | 2000-03-21 | Teijin Ltd | Production of functional plastic film |
| CN203116473U (en) * | 2013-03-22 | 2013-08-07 | 浙江精诚模具机械有限公司 | Air knife |
| CN207280159U (en) * | 2017-09-22 | 2018-04-27 | 宁夏贺兰山东麓庄园酒业有限公司 | A kind of air knife dryer |
| CN207622450U (en) * | 2017-11-21 | 2018-07-17 | 巢湖市伟业玻璃有限公司 | A kind of household appliance glass cleaning machine air knife drying device |
| CN210730072U (en) * | 2019-10-13 | 2020-06-12 | 杭州纤纳光电科技有限公司 | Film drying device |
Non-Patent Citations (1)
| Title |
|---|
| 白崇仁等: "《食品干制工程》", 河南科学技术出版社, pages: 192 - 193 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070194A (en) * | 2021-03-16 | 2021-07-06 | 惠州市赢合科技有限公司 | Oven with uniform air outlet |
| CN116118080A (en) * | 2023-04-10 | 2023-05-16 | 天津市嘉诺缘电子科技有限公司 | Film edge smoothing device |
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