CN115608584A

CN115608584A - Vibration coating process in microgravity environment

Info

Publication number: CN115608584A
Application number: CN202211322471.5A
Authority: CN
Inventors: 宁可儿
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-15
Filing date: 2022-10-15
Publication date: 2023-01-17

Abstract

The invention discloses a vibration coating process in a microgravity environment, which comprises the steps of firstly immersing a product fully stained with a coating in microgravity liquid, then driving a base to apply external force to the product fully stained with the coating to generate vibration through the operation of a vibrator arranged on the base of a platform, throwing away redundant coating from the product by adjusting the frequency, amplitude and direction of the vibration, and settling the redundant coating in a recovery tank at the bottom layer of the microgravity liquid for recovery; meanwhile, the coating is uniformly and fully distributed on the inner surface and/or the outer surface of the product, especially on edges and corners and narrow gaps in space. The coating can be more uniformly, completely and tightly coated by changing the vibration frequency and the vibration amplitude. Finally, the coating is solidified by changing the conditions of the microgravity liquid such as temperature, pressure and the like, thereby completing the inner and/or outer layer film coating process of the product. The process can ensure that the coating is uniformly and fully coated to permeate the surface of a product, edges and gaps are completely covered, redundant coating is effectively recycled, the coated surface of the product is uniform and flat, the shape of the processed surface can be kept, the surface pressure and the temperature of the coating can be controlled more easily, the coating effect can be better under the conditions of narrow space and more edges and corners of the product with a three-dimensional structure, and the coating and processing time can be greatly saved.

Description

Vibration coating process in microgravity environment

Technical Field

The invention belongs to the technical field of product coating processing, and particularly relates to a vibration coating process in a microgravity environment.

Background

In the existing spraying process, static spraying is mostly adopted, that is, the paper-plastic product to be sprayed is still in the spraying device or is relatively still on a conveying belt of a spraying tunnel, such as bulletin numbers: CN 211436737U. This type of spraying has the following problems: (1) When the bearing surface of the paper-plastic product is subjected to static spraying in an upward mode, the paint sprayed in an excessive mode covers the bearing surface of the paper-plastic product too much, and redundant paint can be accumulated to the bottom in the product, so that the paint cannot be well and uniformly coated on the bearing surface of the product. (2) When throwing the material device through transport mechanism conveying and get rid of the material after the spraying, it is single to get rid of material process rotation rate, can not compromise the even pleasing to the eye on recycle and the spraying surface of coating well: the sprayed surface coating cannot be effectively thrown to be even and flat due to too low speed; too high speed causes the excessive paint to fly randomly, is not beneficial to recycling and has low paint utilization rate. (3) In the material throwing process, paper-plastic products need to be turned over for multiple times, the equipment structure is complex, and more workshop space is occupied.

It is known that vibration can reduce the interfacial tension of the liquid and increase the capillary gap filling capability of the liquid, and that vibration can also increase the flow rate of the liquid in the capillary gap. Meanwhile, the coating is in a microgravity environment, the coating can well keep the shape of the surface and cannot be accumulated downwards due to the action of gravity.

Disclosure of Invention

Aiming at the defects and shortcomings in the prior art, the invention provides the vibration coating process in the microgravity environment, which can enable the coating to be uniformly and fully coated to permeate the surface of a product, completely cover edges and gaps, effectively recover redundant coating, ensure that the coated surface of the product is uniform and flat, keep the shape of the processed surface, control the surface pressure and temperature of the coating more easily, achieve good coating effect on the product with a three-dimensional structure, especially on the conditions of narrow space and more edges and corners, and greatly save the coating and processing time. In order to achieve the purpose, the invention is realized by the following technical scheme:

the technical scheme adopted by the invention is as follows: fixing the product on a base of a processing platform in a manual or automatic feeding manner, immersing (or smearing or spraying) the inner and/or outer surfaces of the product to be coated with a coating (such as liquid silica gel) in an immersing manner, and then immersing the product immersed with the coating in microgravity liquid, wherein the microgravity liquid can be a single substance or a mixed solution of multiple substances, but the following conditions are required: the density of the microgravity liquid is close to that of the film coating, so that the film coating immersed in the liquid is in a microgravity environment; all components in the microgravity liquid can not react with the coating and the product, so that the coating process can not change the properties of the coating and the product. The vibrator arranged on the platform base works to drive the base to apply external force to the product which is full of the coating to generate vibration, and the frequency, amplitude and direction of the vibration are adjusted to enable the redundant coating to be thrown away from the product and to be settled to a recovery tank at the bottom layer of the microgravity liquid for recovery, so that the coating is prevented from splashing everywhere to pollute the working environment; meanwhile, the coating is uniformly and fully distributed on the inner surface and/or the outer surface of the product, especially on edges and corners and narrow gaps in space; the shape and thickness of the coating layer can be adjusted by adjusting the roughness of the surface of the product, the fluidity of the coating, the inclination angle of the product and other conditions during processing. The coating can be more uniformly, completely and tightly coated by changing the vibration frequency and amplitude. Finally, the coating is solidified by changing the conditions of the microgravity liquid such as temperature, pressure and the like, thereby completing the inner and/or outer layer film coating process of the product.

The invention has the advantages that the process of film coating of the product is to keep the coating in the microgravity environment all the time, the surface shape and thickness of the coating are controlled by controlling the vibration frequency, amplitude and direction of the product and the liquid vibration frequency and amplitude of the microgravity environment, and in the process of film coating, redundant coating enters the recovery pool without contacting with the outside, so that the environment is not polluted, the human health is not harmed, and the recovery and utilization method is simple and environment-friendly. Simultaneously, the vibration film covering method under the microgravity environment is more economic and environment-friendly, can more accurately regulate and control the shape, the thickness and the curing time of the film, has strong controllability on the film covering, and is more suitable for the film covering of a three-dimensional structure product, thereby ensuring the integrity and the compactness of the film.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It should be noted that the disclosure of the present invention is only for the understanding and reading of the technical skill of the person skilled in the art, and is not intended to limit the limit of the present invention, so it has no technical essence, and any structural modification, ratio change or size adjustment should still fall within the scope of the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms of positional relationship used in the present specification are for clarity of description only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered to be within the scope of the present invention without substantial changes in the technical content.

A vibration coating process in a microgravity environment is characterized in that liquid silica gel is fully attached to the inner and outer surfaces of a product to be coated with a film in an immersing (or smearing or spraying) mode, and then the product fully attached with the liquid silica gel is immersed in water. The vibrator arranged on the platform base works to drive the base to apply external force to a product which is stained with liquid silica gel to generate vibration, and the frequency, amplitude and direction of the vibration are adjusted to enable the redundant liquid silica gel to be thrown out of the product and float on the water surface for recovery, so that the silica gel is prevented from splashing around to pollute the working environment; meanwhile, the liquid silica gel is uniformly and fully distributed on the inner surface and the outer surface of the product, in particular to edges and corners and narrow gaps; during processing, the shape and thickness of the silica gel layer can be adjusted by adjusting the roughness of the surface of the product, the fluidity of the liquid silica gel, the inclination angle of the product and other conditions. Can also produce vibrations through external vibrations generator to drive water vibrations, through changing vibration frequency and amplitude, make the silica gel coating more even complete inseparable. Finally, the liquid silica gel is solidified by changing the conditions of temperature, pressure and the like of water, thereby completing the inner and outer layer film coating process of the product. And finally, processing and trimming the corners of the product to finish the film coating of the product.

The above description is only exemplary of the preferred embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A vibration coating process under a microgravity environment is characterized in that a product and a coating are in a microgravity liquid environment in a product film coating process. The composition of the microgravity liquid can be a single substance or a mixed solution of a plurality of substances, but the following conditions are required: the density of the microgravity liquid is close to that of the film coating, so that the film coating immersed in the liquid is in a microgravity environment; all components in the microgravity liquid can not react with the film coating paint and the product, so that the property of the paint and the product can not be changed in the film coating process. The shape, thickness and compactness of the film are adjusted by applying external force to the product full of the coating to generate vibration and adjusting the frequency, amplitude and direction of the vibration.

2. A vibration coating process in a microgravity environment is characterized in that a product and a coating are in a microgravity liquid environment in the product film coating process. The composition of the microgravity liquid can be a single substance or a mixed solution of a plurality of substances, but the following conditions are required: the density of the microgravity liquid is close to that of the film coating, so that the film coating immersed in the liquid is in a microgravity environment; all components in the microgravity liquid can not react with the film coating paint and the product, so that the property of the paint and the product can not be changed in the film coating process. The micro-gravity liquid is driven to vibrate by vibration generated by an external vibration generator, and the shape, thickness and compactness of the membrane are adjusted by changing the vibration frequency and amplitude.

3. A vibration coating process under a microgravity environment is characterized in that a product and a coating are in a microgravity liquid environment in a product film coating process. The composition of the microgravity liquid can be a single substance or a mixed solution of a plurality of substances, but the following conditions are required: the density of the microgravity liquid is close to that of the film coating, so that the film coating immersed in the liquid is in a microgravity environment; all components in the microgravity liquid can not react with the coating and the product, so that the coating process can not change the properties of the coating and the product. The method comprises the steps of respectively generating vibration by applying external force to a product fully stained with the coating and generating vibration by an external vibration generator, and then adjusting the shape, the thickness and the compactness of the membrane by adjusting the frequency, the amplitude and the direction of the vibration.