CN106522523B - Coating device and process for preparing filiform texture coating - Google Patents
Coating device and process for preparing filiform texture coating Download PDFInfo
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- CN106522523B CN106522523B CN201611252586.6A CN201611252586A CN106522523B CN 106522523 B CN106522523 B CN 106522523B CN 201611252586 A CN201611252586 A CN 201611252586A CN 106522523 B CN106522523 B CN 106522523B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
Abstract
The invention relates to a coating device and a process for preparing a filamentous texture coating, wherein the device comprises a support, a substrate transmission mechanism, at least one brush roll (1) arranged on the support and a brush roll cleaning mechanism matched with the brush roll (1), wherein brush bristles (2) are arranged on the surface of the brush roll (1), and the brush bristles (2) are contacted with the brush roll cleaning mechanism; the process for preparing the filiform texture coating comprises the following steps of adopting the coating device to enable the surface coating of the substrate to generate filiform textures: conveying the substrate (7) coated with the undried coating layer (8) on the surface in a direction perpendicular to the axis of the brush roll (1), wherein the undried coating layer (8) is in contact with the bristles (2), the brush roll (1) rotates to enable the surface of the undried coating layer (8) to generate filiform textures, and meanwhile, the bristles cleaning device removes the coating attached to the bristles (2). Compared with the prior art, the invention has the advantages of simple structure, wide application range, low cost, realization of thick coating wire drawing, variable texture patterns and the like.
Description
Technical Field
The invention belongs to the field of coating, and particularly relates to a coating device and a coating process for preparing a filamentous texture coating.
Background
The surface decoration on building parts directly influences the beauty of buildings, and modern building coatings have higher and higher requirements on artistic quality while achieving the necessary protection effect. In traditional decoration and protection of building outer walls, aluminum veneers, aluminum-plastic plates, cement plates and the like and related integrated plates with heat preservation and fire prevention are increasingly adopted, most of the prior single-color coating products are painting products, and painting with artistic patterns such as imitation stone, imitation wood grains, imitation metal and the like is increasingly required. Compared with the indoor decoration, the coating of the outdoor building product has certain characteristics, and the outdoor decoration has the weather-proof requirement on the coating and can protect the building from discoloring for decades. Because, the qualified building exterior wall coating not only needs to use a weather-resistant coating, but also the thickness of the coating needs to meet the minimum requirement of weather resistance. For example, the existing commonly used decorative paint for outdoor metal buildings is mostly coated by PVDF fluorocarbon paint, and the paint film can be kept finished in outdoor decades, and is slightly pulverized and discolored, so that the building is bright as new for a long time. For this reason, a large number of art-designed decorative coating techniques that have been widely used indoors have been limited in the use of outdoor products. The interior decoration building parts are mostly printed by conventional ink, directly printed on the parts or adhered to the parts by a method such as film coating, etc., so that various bright-colored patterns can be obtained, and the interior decoration building parts have the function of beauty. Such as wallpaper, suspended ceilings, walls, partitions, etc. Ink printing cannot be applied to outdoor buildings usually, and ink for conventional printing cannot resist decomposition of ultraviolet rays in sunlight and can change color quickly. Because the printed ink is very thin, the paint pigment must have very strong tinting strength, and organic pigments are usually very strong in tinting strength but cannot resist decomposition by ultraviolet rays; inorganic pigments are stable to light but have poor coloring power. In addition, the printed film is adhered to a part by adopting a film laminating process, once the film is used outdoors, the time is long in sunlight and humid environment, the adhered glue can be hydrolyzed and aged, and the phenomenon of shedding such as edge curling is generated, so that the requirement of outdoor long-term decoration protection cannot be met.
The development of products that can be painted with artistic patterns using weather-resistant paints such as fluorocarbon paints has been a long-felt need of many architects. One of them is a product which imitates the metal wire drawing effect. According to the requirements of art, people like products with wire-drawing textures on the metal surface, such as red copper wire drawing, silver wire drawing and the like, which are favorite patterns. In the past, people have used tools such as a wire brush to draw lines on the surface of metal to beautify products, the line drawing method firstly has a single color variety, only can be the color of the drawn metal, the drawn surface of the metal is easy to oxidize and corrode, even if the drawn surface is covered with a layer of varnish paint, the quality problems such as weather resistance and the like are easy to occur, moreover, the price of many metals is high, and people hope to have a cheap and stable-performance substitute product. In order to meet the market demand, people adopt a steel roller printing mode to prepare coating surfaces with various wire drawing effects, and steel roller printing wire drawing coil aluminum and aluminum plate products are popular because the color and luster can be selected at will. However, in practical use, the pattern printed by the steel roller has the outdoor weather resistance which does not meet the requirement of the highest weather resistance quality, and cannot meet the requirement of the highest-grade weather resistance. In addition, the manufacturing cost of the printing steel roller is high, and the size of the silk thread cannot be adjusted at will.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a coating device and a coating process for preparing a filamentous texture coating, which have the advantages of simple structure, wide application range, low cost, capability of realizing wire drawing of a thick coating and variable texture patterns.
The purpose of the invention can be realized by the following technical scheme:
the coating device for preparing the filamentous texture coating comprises a support, a substrate transmission mechanism, at least one brush roll arranged on the support and a brush roll cleaning mechanism matched with the brush roll, wherein brush bristles are arranged on the surface of the brush roll and are in contact with the brush roll cleaning mechanism.
The brush roll cleaning mechanism comprises at least one brush comb, the brush comb is provided with a plurality of comb pins which are arranged in parallel, one end of each comb pin is inserted between the brush hairs, and the other end of each comb pin is positioned outside the brush hairs.
To ensure that the comb pins can be inserted between the bristles, it is necessary that the distance between the comb pins is greater than the diameter of the bristles.
The brush roll cleaning mechanism further comprises a brush hair comb liquid collecting tank, one end of a comb needle inserted between the brush hairs is higher than one end of the comb needle positioned outside the brush hairs, and the brush hair comb liquid collecting tank is arranged below the brush hair comb outside the brush hairs.
The brush roll cleaning mechanism comprises a liquid suction roll, the liquid suction roll and the brush roll are arranged in parallel, bristles of the brush roll are in contact with the liquid suction roll, and paint attached to the bristles is transferred to the surface of the liquid suction roll.
Preferably, the brush roller and the suction roller rotate in the same direction.
The brush roll cleaning mechanism further comprises a scraper and a liquid suction roll collecting tank, the scraper is used for scraping off paint attached to the surface of the liquid suction roll, one end of the scraper is provided with a knife edge, the knife edge is tightly attached to the surface of the liquid suction roll, and the liquid suction roll collecting tank is arranged below the scraper.
The bristles are erected on the surface of the brush roll and are arranged in a staggered manner; the bristles are made of materials which are not expanded by the paint when the bristles are contacted with the paint, and comprise nylon bristles, polypropylene or boar hair.
The device comprises a plurality of brush rolls and brush roll cleaning mechanisms respectively matched with the brush rolls, wherein the brush rolls are arranged in parallel.
A process for preparing the filiform texture coating includes such steps as coating the surface of substrate by said coating unit to generate filiform texture, conveying the substrate coated with the layer of un-dried paint in the direction perpendicular to the axis of brush roller, rotating the brush roller to generate filiform texture on the surface of said layer of un-dried paint, and removing the paint from the bristles by the cleaning mechanism of brush roller.
The process also comprises the step of curing the floating coat on the surface of the substrate before the coating of the non-dried coating layer, and then coating the coating on the cured floating coat to form the non-dried coating layer. The coating of the coating can adopt the processes of roll coating, spray coating and the like, and preferably, the roll coating is adopted for coating the coating, so that the film thickness can be kept uniform, continuous and efficient.
The process also comprises the step of drying the undried coating layer with filiform texture by adopting drying equipment, and obtaining the filiform texture coating after drying.
The brush hair and the undried paint layer slide relatively.
The brush roller can rotate in the reverse direction of the transmission direction of the base material and can also rotate in the same direction of the transmission direction of the base material.
Preferably, two parallel brush rolls are used, the substrate being in contact with the bristles of the two brush rolls one after the other, so that the pulled-out filiform texture is uniform and good looking.
The invention is applied to coating of coiled materials or sheets, and is suitable for coating of wire drawing coatings of color steel plates, aluminum veneers, aluminum plastic plates, aluminum profiles, plastic plates, wood plates and the like.
The coating comprises polyester or PVDF and the like.
Compared with the prior art, the invention has the following advantages:
(1) The structure is simple. The invention uses the brush hair of the brush roll to draw the silk veins on the undried coating layer on the surface of the substrate, the invention does not need to solidify the coating in advance and then draw the silk veins on the solidified coating layer, thereby saving the step of solidifying the coating and simultaneously avoiding the problem of chip treatment in the process of drawing the solidified coating,
(2) The produced product has stable quality. Avoid more coating to adhere to on the brush hair be the prerequisite of guaranteeing the silky line effect and whole stable in color, the brush roll is long-time to be moved the back, can adhere to there is coating to can produce "tadpole" form feather point of punctiform area tail on the coating on basic unit surface, influence pleasing to the eye, unnecessary coating still can make the filiform texture unstable. Through setting up the brush hair comb, insert the broach of brush hair comb in the brush hair to scrape out the coating that permeates between the brush hair, further, highly setting through inserting the broach with the one end between the brush hair highly be higher than the one end that is located outside the brush hair makes the coating flow along the broach, and flow into in the collecting tank of brush hair comb below. Can also set up the imbibition roller, further take away adnexed coating on the brush hair through the imbibition roller to scrape the adnexed coating of imbibition roller through the scraper, keep imbibition roller sustainable use, the coating that the scraper was scraped flows out from the scraper both sides and gets into in the collecting tank of scraper below. The brush hair comb is matched with the liquid suction roller for use, the effect is better, and the paint attached to the brush hair can be better removed. The coating collected by the liquid collecting tank can be recycled. The bristles are cleaned by the measures, so that the product quality is kept stable.
(3) The invention adopts the wire drawing on the surface of the undried coating layer to prepare the filamentous texture, is suitable for the wire drawing of coatings with different thicknesses, and particularly for the wire drawing of thick coatings, only the coating with the required thickness needs to be coated, and the device is adopted for wire drawing, so that the thickness of the coating can be ensured, and the problem of weather resistance of products is solved.
(4) Wide application range and low cost. The filamentous texture of the invention is obtained by drawing the coating, does not need to damage the original substrate surface, and is suitable for preparing the filamentous texture of various materials.
(5) The filamentous texture pattern may vary. The patterns of the filamentous textures can be changed by adjusting the distance and the diameter of the bristles, the rotating direction of the brush roll and the transmission direction of the base material, the relative speed of the brush roll and the base material and the number of the brush roll, so that different filamentous texture effects are obtained.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
In the figure, 1 is a brush roll, 2 is bristles, 3 is a bristle comb, 31 is a comb needle, 4 is a liquid suction roll, 5 is a scraper, 6 is a liquid suction roll collecting tank, 7 is a base material, and 8 is an undried coating layer.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Example 1
A coating device for preparing a filamentous texture coating comprises a substrate transmission mechanism, a support, a brush roll 1 arranged on the support and a brush roll cleaning mechanism matched with the brush roll 1, wherein brush hairs 2 are arranged on the surface of the brush roll 1, the brush hairs 2 are made of nylon and stand on the surface of the brush roll 1 in a staggered mode, and the brush hairs 2 are in contact with the brush roll cleaning mechanism. The brush roll clearance mechanism includes a brush hair comb 3 and imbibition roller 4, this brush hair comb 3 is equipped with a plurality of comb pins 31 of arranging side by side, interval between comb pins 31 is greater than the diameter of brush hair 2, it inserts between brush hair 2 to be convenient for the comb pin, the one end of comb pin 31 inserts between brush hair 2, the other end is located outside brush hair 2, the height that highly is higher than the one end that is located outside brush hair 2 of one end that comb pin 31 inserted between brush hair 2, the below that is located brush hair comb 3 outside brush hair 2 is equipped with brush hair comb collecting tank, the comb pin scrapes adnexed coating between brush hair 2, the coating flows into in the collecting tank of below along the comb pin. The roll body of imbibition roller 4 is the rubber material, with this imbibition roller 4 matched with, brush roll cleaning mechanism still is equipped with scraper 5 and imbibition roller collecting tank 6, 5 one ends of scraper are equipped with the edge of a knife, the surface of imbibition roller 4 is hugged closely to the edge of a knife, the below of scraper 5 is equipped with imbibition roller collecting tank 6, 2 surface-attached coatings of brush hair are taken away to imbibition roller 4, scrape down through scraper 5, get into imbibition roller collecting tank 6 from the both sides of scraper 5, retrieve.
A technology for preparing filiform texture coating adopts the coating device, a substrate 7 coated with a non-dried coating layer 8 on the surface is transmitted in the direction vertical to the axis of a brush roller 1 and continuously moves to the right below the brush roller 1, the non-dried coating layer 8 is in contact with bristles 2, the brush roller 1 rotates clockwise, the bristles 2 and the non-dried coating layer 8 slide relatively, filiform texture is generated on the surface of the non-dried coating layer 8, and meanwhile, the bristles cleaning device removes the coating attached to the bristles 2, wherein the brush roller 1 and a liquid suction roller 4 rotate in the same direction.
And the non-dried coating layer 8 is coated by adopting a roller coating, the non-dried coating layer 8 is PVDF, the PVDF is coated on the substrate of the cured intermediate coating layer by adopting the roller coating, the substrate 7 is an aluminum sheet, the thickness of the PVDF layer is 0.5mm, after filamentous textures are generated on the surface of the non-dried coating layer 8, the non-dried coating layer 8 is dried by adopting drying equipment, and the filamentous texture coating is obtained after drying. The silk-like texture coating is thick, the texture impression effect is good, and the weather resistance is good.
Example 2
The embodiment is basically the same as the embodiment 1, except that two brush rolls 1 are arranged in parallel, each brush roll 1 is provided with a brush roll cleaning mechanism matched with the brush roll cleaning mechanism, and when the device is used for coating the filiform texture, the undried paint layer 8 is sequentially contacted with the bristles 2 of the two brush rolls 1, so that the pulled filiform texture is uniform and beautiful.
Example 3
A coating device for preparing a filamentous texture coating comprises a support, a brush roll 1 arranged on the support and a brush roll cleaning mechanism matched with the brush roll 1, wherein brush hairs 2 are arranged on the surface of the brush roll 1, the brush hairs 2 are nylon brush hairs and are arranged in a staggered mode, and the brush hairs 2 are in contact with the brush roll cleaning mechanism. Brush roll cleaning mechanism includes two brush hair combs 3, every brush hair comb 3 is equipped with a plurality of comb pins 31 of arranging side by side, interval between comb pins 31 is greater than the diameter of brush hair 2, the one end of comb pin 31 inserts between the brush hair 2, the other end is located outside the brush hair 2, the height that highly is higher than the one end that is located outside the brush hair 2 of comb pin 31 insertion brush hair 2 between one end, the below that is located every brush hair comb 3 outside the brush hair 2 is equipped with brush hair comb collecting tank, comb pin 31 scrapes adnexed coating between the brush hair 2, coating flows into in the collecting tank of below along the comb pin, retrieve.
The apparatus further includes a substrate transfer mechanism for transferring the substrate 7 having the surface coated with the layer 8 of the undried paint in a direction perpendicular to the axis of the brush roller 1 and a control mechanism for controlling the brush roller 1.
The coating process using the coating apparatus was substantially the same as in example 1, and the cleaning of the brush by the suction roller was reduced.
Example 4
A coating device for preparing a filamentous texture coating comprises a support, a brush roll 1 arranged on the support and a brush roll cleaning mechanism matched with the brush roll 1, wherein brush hairs 2 are arranged on the surface of the brush roll 1, the brush hairs 2 are nylon brush hairs and are arranged in a staggered mode, and the brush hairs 2 are in contact with the brush roll cleaning mechanism. Brush roll clearance mechanism includes an imbibition roller 4, the roll body of imbibition roller 4 is the rubber material, with this imbibition roller 4 matched with, brush roll clearance mechanism still is equipped with scraper 5 and imbibition roller collecting tank 6 that are used for scraping the 4 surface adhesion's of imbibition roller coating, 5 one end of scraper is equipped with the edge of a knife, the imbibition roller surface is hugged closely to the edge of a knife, imbibition roller collecting tank 6 sets up the below at scraper 5, 2 surface adhesion's coating of brush hair is taken away to imbibition roller 4, scrape down through scraper 5, get into in the imbibition roller collecting tank 6 from scraper 5's both sides, retrieve.
The apparatus further comprises a base material transfer mechanism for transferring the base material 7 having the surface coated with the layer 8 of the undried paint in a direction perpendicular to the axis of the brush roller 1 and a control mechanism for controlling the rotation of the brush roller 1 and the suction roller 4.
Example 5
The coating device for preparing the filiform texture coating is basically the same as that in the example 1, and the device is used for preparing the filiform texture coating of the color steel plate, and the preparation process is basically the same as that in the example 1.
Example 6
A coating apparatus for preparing a filiform texture coating according to this example was substantially the same as in example 1, and the apparatus was used for preparing a filiform texture coating for an aluminum veneer by a process substantially the same as in example 1.
Example 7
The coating device for preparing the filiform texture coating is basically the same as that in the example 1, and the device is used for preparing the filiform texture coating of the aluminum-plastic panel, and the preparation process is basically the same as that in the example 1.
Example 8
The coating device for preparing the filiform texture coating is basically the same as that in the example 1, the device is used for preparing the filiform texture coating of the aluminum profile, and the preparation process is basically the same as that in the example 1.
Example 9
A coating apparatus for preparing a filamentous texture coating according to this example is substantially the same as that of example 1, and the apparatus is used for preparing a filamentous texture coating of a plastic panel, and the preparation process is substantially the same as that of example 1.
Example 10
The coating device for preparing the filamentous texture coating is basically the same as that in the example 1, the device is used for preparing the filamentous texture coating of the wood board, and the preparation process is basically the same as that in the example 1.
Example 11
This embodiment is substantially the same as embodiment 1 except that polypropylene bristles are used as bristles 2 of this embodiment.
Example 12
This embodiment is substantially the same as embodiment 1 except that wild boar hair is used as the brush staples 2 of this embodiment.
Claims (3)
1. The coating device for preparing the filamentous texture coating comprises a support and is characterized by further comprising a substrate transmission mechanism, at least one brush roll (1) arranged on the support and a brush roll cleaning mechanism matched with the brush roll (1), wherein bristles (2) are arranged on the surface of the brush roll (1), and the bristles (2) are in contact with the brush roll cleaning mechanism;
the brush roll cleaning mechanism comprises at least one brush comb (3), the brush comb (3) is provided with a plurality of comb pins (31) which are arranged in parallel, one end of each comb pin (31) is inserted between the brush hairs (2), and the other end of each comb pin is positioned outside the brush hairs (2);
the brush roll cleaning mechanism also comprises a brush hair comb liquid collecting groove, the height of one end, inserted between the brush hair (2), of a comb needle (31) is higher than that of one end, positioned outside the brush hair (2), of the comb needle, and the brush hair comb liquid collecting groove is arranged below the brush hair comb (3) outside the brush hair (2);
the brush roll cleaning mechanism comprises a liquid suction roll (4), the liquid suction roll (4) and the brush roll (1) are arranged in parallel, bristles (2) of the brush roll (1) are in contact with the liquid suction roll (4), and paint attached to the bristles (2) is transferred to the surface of the liquid suction roll (4);
the brush roll cleaning mechanism further comprises a scraper (5) and a liquid suction roll collecting tank (6), wherein the scraper (5) is used for scraping off paint attached to the surface of the liquid suction roll (4), one end of the scraper is provided with a knife edge, the knife edge is tightly attached to the surface of the liquid suction roll (4), and the liquid suction roll collecting tank (6) is arranged below the scraper (5);
the bristles (2) are erected on the surface of the brush roll and are arranged in a staggered manner; the brush hair (2) is made of a material which is not expanded by the paint when contacting with the paint, and comprises nylon brush hair, polypropylene brush hair or wild boar hair;
the device comprises a plurality of brush rolls (1) and brush roll cleaning mechanisms respectively matched with the brush rolls (1), wherein the brush rolls (1) are arranged in parallel.
2. A process for producing a threadlike texture coating, characterized in that the process comprises a step of imparting a threadlike texture to a surface coating of a substrate by using the coating apparatus according to claim 1, the step of transferring the substrate (7) having a surface coated with a layer of the undried coating layer (8) in a direction perpendicular to an axis of the brush roll (1) by means of a substrate transfer mechanism, the layer of the undried coating layer (8) being in contact with the bristles (2), the brush roll (1) being rotated to impart the threadlike texture to the surface of the layer of the undried coating layer (8), and the brush roll cleaning mechanism removing the coating adhering to the bristles (2).
3. A process for preparing a threadlike texture coating according to claim 2, characterized in that the bristles (2) slide relative to the layer (8) of the undried paint.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611252586.6A CN106522523B (en) | 2016-12-30 | 2016-12-30 | Coating device and process for preparing filiform texture coating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611252586.6A CN106522523B (en) | 2016-12-30 | 2016-12-30 | Coating device and process for preparing filiform texture coating |
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| CN106522523A CN106522523A (en) | 2017-03-22 |
| CN106522523B true CN106522523B (en) | 2023-01-17 |
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| CN113432513B (en) * | 2020-03-23 | 2023-02-24 | 上海烟草集团有限责任公司 | Inspection device for gluing brush roll of filter stick forming machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206503340U (en) * | 2016-12-30 | 2017-09-19 | 上海变色龙涂装科技有限公司 | A kind of painting device for preparing thread texture coating |
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| CN100357078C (en) * | 2004-04-19 | 2007-12-26 | 北新集团建材股份有限公司 | Salient point type plane sheet material surface treating method and equipment thereof |
| CN104588255B (en) * | 2015-01-09 | 2017-07-07 | 浙江长兴森大竹木制品有限公司 | A kind of hairbrush system of sheet material brush machine |
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| CN206503340U (en) * | 2016-12-30 | 2017-09-19 | 上海变色龙涂装科技有限公司 | A kind of painting device for preparing thread texture coating |
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