CN213255364U - Spraying and scraping combined system - Google Patents
Spraying and scraping combined system Download PDFInfo
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- CN213255364U CN213255364U CN202022067051.XU CN202022067051U CN213255364U CN 213255364 U CN213255364 U CN 213255364U CN 202022067051 U CN202022067051 U CN 202022067051U CN 213255364 U CN213255364 U CN 213255364U
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Abstract
The utility model discloses a spraying knife coating is with system. The spraying and blade coating combined system comprises a first viscosity spraying mechanism, a second viscosity spraying mechanism and a scraper mechanism which are sequentially arranged above a base material along a set direction, wherein the first viscosity spraying mechanism is at least used for spraying a first viscosity film-forming fluid to the surface of the base material which continuously moves along the set direction to form a first viscosity coating; the second viscosity spraying mechanism is at least used for spraying a second viscosity film-forming fluid on the surface of the base material or the surface of the first viscosity coating which continuously moves along the set direction, the scraper mechanism has a set distance with the surface of the base material, and the scraper mechanism is at least used for scraping the second viscosity film-forming fluid sprayed on the surface of the base material or the surface of the first viscosity coating to form a uniform coating with a set thickness. The utility model provides a spraying knife coating system of using even, the mobile of selecting for use through spouting and scraping two kinds of technologies can realize the disposable preparation of different viscosity films or multilayer complex film.
Description
Technical Field
The utility model belongs to the technical field of the spraying equipment, concretely relates to spraying knife coating is system of using even.
Background
With the development of electronic information technology, flexible intelligent devices become more and more the mainstream of current intelligent devices, such as flexible solar cells, flexible thin film batteries, flexible thin film capacitors, flexible OLEDs, flexible electronic writing paper, flexible thin film sensors, flexible thermochromic thin films, flexible photochromic thin films, flexible electrochromic thin films and other flexible electronic devices.
With respect to flexible electronic devices, it relates to the preparation of multilayer composite films based on flexible substrates; the multilayer composite film takes different material systems as raw materials, and a coating with a multilayer structure is prepared on a flexible substrate. The three types of equipment for preparing the coating by spin coating, spray coating and blade coating are only suitable for film forming of materials within a certain viscosity range at present and cannot completely meet the requirement of preparation of coatings with different viscosities and multilayer structures in work at present.
Disclosure of Invention
The main object of the utility model is to provide a spraying knife coating uses system jointly to overcome the not enough that exists among the prior art.
In order to achieve the above object, the embodiment of the present invention adopts a technical solution comprising:
the embodiment of the utility model provides a spraying knife coating system that uses together, it includes first viscosity spraying mechanism, second viscosity spraying mechanism and the scraper mechanism that sets gradually along setting for the direction, and first viscosity spraying mechanism, second viscosity spraying mechanism and scraper mechanism all set up above the substrate; the first viscosity spraying mechanism is at least used for spraying a first viscosity film-forming fluid on the surface of the base material continuously moving along the set direction to form a first viscosity coating; the second viscosity spraying mechanism is at least used for spraying a second viscosity film-forming fluid on the surface of the base material or the surface of the first viscosity coating which continuously moves along the set direction, the scraper mechanism has a set distance with the surface of the base material, and the scraper mechanism is at least used for scraping the second viscosity film-forming fluid sprayed on the surface of the base material or the surface of the first viscosity coating to form a uniform coating with a set thickness.
Further, the first viscosity spraying mechanism comprises a spray gun and an ultrasonic atomizer communicated with the spray gun, and the spraying direction of the spray gun corresponds to the surface of the base material.
Further, the second viscosity spray mechanism comprises an air spray gun, and the spray direction of the air spray gun corresponds to the surface of the substrate.
Further, the scraper mechanism is in transmission connection with a lifting mechanism, and the lifting mechanism is at least used for adjusting the height of the scraper mechanism so as to adjust the distance between the scraper mechanism and the surface of the substrate or the surface of the first viscosity coating.
Further, the viscosity of the first viscosity film forming fluid is 1-10 cP.
Further, the viscosity of the second viscosity film forming fluid is 10-5000 cP.
Furthermore, the spraying and blade coating combined system further comprises a control module, and the control module is connected with the first viscosity spraying mechanism, the second viscosity spraying mechanism and the driving mechanism of the scraper mechanism.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses a spraying knife coating is system of using even, through chooseing for use first viscosity spraying mechanism, to the first viscosity film-forming fluid of substrate surface spraying along setting for direction continuous movement, form first viscosity coating, through chooseing for use second viscosity spraying mechanism, to substrate surface or first viscosity coating surface spraying second viscosity film-forming fluid along setting for direction continuous movement, and form the even coating that has the setting for thickness through the film-forming fluid knife coating of scraper mechanism with spraying in substrate surface or first viscosity coating surface, and then choose for use through the maneuver of spouting and scraping two kinds of technologies, can realize the disposable preparation of different viscosity films or multilayer complex film.
(2) The utility model discloses a spraying knife coating system of using even, wherein, first viscosity spraying mechanism adopts ultrasonic atomization spraying system, and ultrasonic vibration produces high oscillation to can produce superfine liquid drop, at the ultrasonic spraying in-process, can control liquid drop size and distribution accurately, can prepare several hundred nanometers to the coating of tens of microns.
(3) The utility model discloses a spraying knife coating connected system, wherein, first viscosity film forming fluid feed mechanism and second viscosity film forming fluid feed mechanism all adopt the constant flow pump, feed pipeline and flowmeter complex structural style, can realize the digital control of feed rate; in addition, the thickness of the coating can be controlled by adjusting the gap between the scraper mechanism and the surface of the substrate or the first viscosity coating through the lifting mechanism, so that the thickness of the coating can be controlled.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic illustration of a spray blade coating system according to one embodiment of the present disclosure.
Description of reference numerals: 1. spray gun, 2, ultrasonic atomizer, 3, air spray gun, 4, scraper, 5, continuous film-shaped substrate, 6, backing roll, 7, first viscosity film-forming fluid, 8, first viscosity coating, 9, second viscosity film-forming fluid, 10, second viscosity coating, 11, pipeline, 12, flow valve, 13, constant flow pump, 14, pipeline, 15, flow valve, 16, constant flow pump.
Detailed Description
The present invention will be more fully understood from the following detailed description, which should be read in conjunction with the accompanying drawings. Detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention, which may be embodied in various forms. Therefore, specific functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any appropriately detailed embodiment.
In view of the fact that the three types of devices for preparing coatings by spin coating, spray coating and blade coating which are selected at present in the prior art are only suitable for film formation of materials within a certain viscosity range and cannot completely meet the problem of preparation of coatings with different viscosities and multilayer structures in work at present, the inventor of the present application develops the spray coating and blade coating combined system of the present invention through long-term research and a great deal of practice. The technical solution, its implementation and principles, etc. will be further explained as follows.
One aspect of the embodiment of the present invention provides a spraying and blade coating system, which includes a first viscosity spraying mechanism, a second viscosity spraying mechanism, and a scraper mechanism sequentially arranged along a set direction, wherein the first viscosity spraying mechanism, the second viscosity spraying mechanism, and the scraper mechanism are all arranged above a substrate; the first viscosity spraying mechanism is at least used for spraying a first viscosity film-forming fluid on the surface of the base material continuously moving along the set direction to form a first viscosity coating; the second viscosity spraying mechanism is at least used for spraying a second viscosity film-forming fluid on the surface of the base material or the surface of the first viscosity coating which continuously moves along the set direction, the scraper mechanism has a set distance with the surface of the base material, and the scraper mechanism is at least used for scraping the second viscosity film-forming fluid sprayed on the surface of the base material or the surface of the first viscosity coating to form a uniform coating with a set thickness.
In some preferred embodiments, the first viscosity spraying mechanism comprises a spray gun and an ultrasonic atomizer arranged in communication with the spray gun, and the spray direction of the spray gun corresponds to the substrate surface.
In some preferred embodiments, the second viscosity spray mechanism comprises an air spray gun having a spray direction corresponding to the substrate surface.
In some preferred embodiments, the first viscosity spraying mechanism is further communicated with a first viscosity filming fluid supply mechanism, and a flow valve and a constant flow pump are arranged on a pipeline for communicating the first viscosity spraying mechanism with the first viscosity filming fluid supply mechanism.
In some preferred embodiments, the second viscosity spraying mechanism is further communicated with a second viscosity filming fluid supply mechanism, and a flow valve and a constant flow pump are arranged on a pipeline for communicating the second viscosity spraying mechanism with the second viscosity filming fluid supply mechanism.
In some preferred embodiments, the doctor mechanism is further in driving connection with an elevation mechanism for at least adjusting the height of the doctor mechanism to adjust the spacing of the doctor mechanism from the substrate surface or the first viscosity coating surface.
In some preferred embodiments, the substrate is a flexible, continuous film-like substrate.
In some more preferred embodiments, the substrate is in contact with a backing roll and is continuously moved in a set direction by the backing roll.
In some preferred embodiments, the first viscosity film forming fluid has a viscosity of 1 to 10cP and the second viscosity film forming fluid has a viscosity of 10 to 5000cP, for example, the film forming fluid may include ink or paste, but is not limited thereto.
In some preferred embodiments, the system further comprises a control module, and the control module is connected with the driving mechanisms of the first viscosity spraying mechanism, the second viscosity spraying mechanism and the scraper mechanism.
The embodiment of the utility model provides a spraying knife coating is system of using even, can switch over and use first viscosity spraying mechanism and second viscosity spraying mechanism, through selecting for use first viscosity spraying mechanism promptly, to the substrate surface spraying first viscosity film-forming fluid of following the direction of setting for continuous movement, form first viscosity coating, through selecting for use second viscosity spraying mechanism, to the substrate surface spraying second viscosity film-forming fluid of following the direction of setting for continuous movement, and through the even coating that the film-forming fluid knife coating that the scraper mechanism will spray on the substrate surface formed and has set for thickness, prepare the film that obtains different viscosities; or the first viscosity spraying mechanism and the second viscosity spraying mechanism are used together, namely, the first viscosity spraying mechanism sprays the first viscosity film-forming fluid on the surface of the base material which continuously moves along the set direction to form a first viscosity coating, the second viscosity spraying mechanism sprays the second viscosity film-forming fluid on the surface of the first viscosity coating which continuously moves along the set direction, and the scraper mechanism scrapes the film-forming fluid sprayed on the surface of the first viscosity coating to form a uniform coating with the set thickness, so that the multilayer composite film is prepared.
The technical solution, the implementation process and the principle thereof will be further explained with reference to the drawings.
Examples
Referring to fig. 1, an embodiment of the present invention provides a system for spraying and knife coating, which includes a first viscosity spraying mechanism, a second viscosity spraying mechanism and a scraper mechanism sequentially arranged along a set direction, wherein a spray gun 1 of the first viscosity spraying mechanism, an ultrasonic atomizer 2 communicated with the spray gun 1, an air spray gun 3 of the second viscosity spraying mechanism and a scraper 4 of the scraper mechanism are all arranged above a flexible continuous film-shaped substrate 5, and the flexible continuous film-shaped substrate 5 is in contact with a backing roller 6 and can be driven by the backing roller 6 to continuously move along the set direction; the driving mechanisms of the first viscosity spraying mechanism, the second viscosity spraying mechanism and the scraper mechanism are all connected with a control module, and the first viscosity spraying mechanism is sprayed with a first viscosity film-forming fluid 7 to the surface of the flexible continuous film-shaped base material 5 which continuously moves along the set direction through the control module to form a first viscosity coating 8; and spraying a second viscosity film-forming fluid 9 to the surface of the continuous film-shaped substrate 5 or the surface of the first viscosity coating 8 which continuously moves along a set direction by a second viscosity spraying mechanism, wherein a scraper 4 in the scraper mechanism has a set distance with the surface of the continuous film-shaped substrate 5 or the surface of the first viscosity coating 7, and is at least used for scraping the second viscosity film-forming fluid 9 sprayed on the surface of the continuous film-shaped substrate 5 or the surface of the first viscosity coating 8 to form a second viscosity coating 10 with a set thickness.
In the present embodiment, the ejection direction of the air ejection gun 3 corresponds to the surface of the continuous film-like substrate 5 that is continuously moving, and the ejection direction of the ejection gun 1 corresponds to the surface of the continuous film-like substrate 5; more specifically, the first viscosity spraying mechanism is also communicated with a first viscosity film forming fluid supply mechanism, a flow valve 12 and a constant flow pump 13 are arranged on a pipeline 11 for communicating the first viscosity spraying mechanism with the first viscosity film forming fluid supply mechanism, and the viscosity of the first viscosity film forming fluid 7 in the first viscosity film forming fluid supply mechanism is 1-10 cP; the second viscosity spraying mechanism is also communicated with a second viscosity film forming fluid supply mechanism, a flow valve 15 and a constant flow pump 16 are arranged on a pipeline 14 for communicating the second viscosity spraying mechanism with the second viscosity film forming fluid supply mechanism, the viscosity of the second viscosity film forming fluid 9 in the second viscosity film forming fluid supply mechanism is 10-5000 cP, and ink or slurry can be selected.
In the examples, the more specific implementation is: the scraper mechanism is also in transmission connection with a lifting mechanism, and the lifting mechanism is at least used for adjusting the height of the scraper 4 in the scraper mechanism, so that the distance between the scraper mechanism and the surface of the first viscosity coating 8 is adjusted, and the coating thickness is controllable.
The spraying, blade coating and connecting system of the embodiment can switch to use the first viscosity spraying mechanism or the second viscosity spraying mechanism, and the specific working process is as follows:
1) preparing a first viscosity film: the control of the constant flow pump 13 and the flow valve 12 ensures that the first viscosity film-forming fluid 7 in the first viscosity film-forming fluid supply mechanism uniformly enters the spray gun 1, and then the ultra-fine droplets generated by the ultrasonic atomizer 2 are uniformly sprayed on the continuous film-shaped substrate 5 to form the first viscosity coating 8.
2) Preparing a second viscosity film: the control of the constant flow pump 16 and the flow valve 15 ensures that the second viscosity film-forming fluid 9 in the second viscosity film-forming fluid supply mechanism uniformly enters the air spray gun 3, the air spray gun 3 uniformly sprays the second viscosity film-forming fluid 9 onto the continuous film-shaped substrate 5, the film-forming fluid sprayed on the surface of the continuous film-shaped substrate 5 is subjected to blade coating by the scraper 4 in the scraper mechanism to form a second viscosity coating 10, the thickness of the coating is controlled by adjusting the gap between the scraper 4 and the continuous film-shaped substrate 5 in the scraper mechanism by the lifting mechanism, and the thickness controllability of the second viscosity coating 10 is realized.
3) Preparing a multilayer composite film: the control of a constant flow pump 13 and a flow valve 12 ensures that the first viscosity film-forming fluid 7 in the first viscosity film-forming fluid feeding mechanism uniformly enters a spray gun 1, and then the ultra-fine liquid drops generated by an ultrasonic atomizer 2 are uniformly sprayed on a continuous film-shaped substrate 5 to form a first viscosity coating 8; and then, the control of a constant flow pump 16 and a flow valve 15 ensures that the second viscosity film-forming fluid 9 in the second viscosity film-forming fluid supply mechanism uniformly enters an air spray gun 3, the air spray gun 3 uniformly sprays the second viscosity film-forming fluid 9 onto the first viscosity coating 8, the film-forming fluid sprayed on the surface of the first viscosity coating 8 is coated by a scraper 4 in a scraper mechanism to form a second viscosity coating 10, the thickness of the coating is controlled by adjusting a gap between the scraper 4 and the first viscosity coating 8 in the scraper mechanism through a lifting mechanism, and the thickness of the second viscosity coating 10 is controllable.
It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, and therefore, the protection scope of the present invention should not be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A spraying and blade coating combined system is characterized by comprising a first viscosity spraying mechanism, a second viscosity spraying mechanism and a scraper mechanism which are sequentially arranged along a set direction, wherein the first viscosity spraying mechanism, the second viscosity spraying mechanism and the scraper mechanism are all arranged above a base material; the first viscosity spraying mechanism is at least used for spraying a first viscosity film-forming fluid on the surface of the base material continuously moving along the set direction to form a first viscosity coating; the second viscosity spraying mechanism is at least used for spraying a second viscosity film-forming fluid on the surface of the base material or the surface of the first viscosity coating which continuously moves along the set direction, the scraper mechanism has a set distance with the surface of the base material, and the scraper mechanism is at least used for scraping the second viscosity film-forming fluid sprayed on the surface of the base material or the surface of the first viscosity coating to form a uniform coating with a set thickness.
2. The spray blade coating system of claim 1, wherein: the first viscosity spraying mechanism comprises a spray gun and an ultrasonic atomizer communicated with the spray gun, and the spraying direction of the spray gun corresponds to the surface of the base material; and/or the second viscosity spraying mechanism comprises an air spray gun, and the spraying direction of the air spray gun corresponds to the surface of the substrate.
3. The spray blade coating system of claim 1, wherein: the first viscosity spraying mechanism is also communicated with the first viscosity film-forming fluid supply mechanism, and/or the second viscosity spraying mechanism is also communicated with the second viscosity film-forming fluid supply mechanism.
4. A spray blade coating system according to claim 3, wherein: and a flow valve and a constant flow pump are arranged on a pipeline for communicating the first viscosity spraying mechanism with the first viscosity film-forming fluid supply mechanism.
5. A spray blade coating system according to claim 3, wherein: and a flow valve and a constant flow pump are arranged on a pipeline for communicating the second viscosity spraying mechanism with the second viscosity film-forming fluid supply mechanism.
6. The spray blade coating system of claim 1, wherein: the scraper mechanism is also in transmission connection with a lifting mechanism, and the lifting mechanism is at least used for adjusting the height of the scraper mechanism so as to adjust the distance between the scraper mechanism and the surface of the base material or the surface of the first viscosity coating.
7. The spray blade coating system of claim 1, wherein: the substrate is a flexible continuous film-like substrate.
8. A spray blade coating system according to claim 1 or 7, characterized in that: the substrate is contacted with the back roller and can be driven by the back roller to continuously move along a set direction.
9. The spray blade coating system of claim 1, wherein: the viscosity of the first viscosity film forming fluid is 1-10 cP, and/or the viscosity of the second viscosity film forming fluid is 10-5000 cP.
10. The system of claim 1, further comprising a control module coupled to the first viscosity spray mechanism, the second viscosity spray mechanism, and the drive mechanism of the doctor mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022067051.XU CN213255364U (en) | 2020-09-18 | 2020-09-18 | Spraying and scraping combined system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022067051.XU CN213255364U (en) | 2020-09-18 | 2020-09-18 | Spraying and scraping combined system |
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| Publication Number | Publication Date |
|---|---|
| CN213255364U true CN213255364U (en) | 2021-05-25 |
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| CN202022067051.XU Active CN213255364U (en) | 2020-09-18 | 2020-09-18 | Spraying and scraping combined system |
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| CN (1) | CN213255364U (en) |
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- 2020-09-18 CN CN202022067051.XU patent/CN213255364U/en active Active
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