CN111570231A - Vacuum spraying process of UV primer and UV finishing coat - Google Patents
Vacuum spraying process of UV primer and UV finishing coat Download PDFInfo
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- CN111570231A CN111570231A CN202010458175.2A CN202010458175A CN111570231A CN 111570231 A CN111570231 A CN 111570231A CN 202010458175 A CN202010458175 A CN 202010458175A CN 111570231 A CN111570231 A CN 111570231A
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- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/06—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood
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- 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
- B05D3/0493—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 using vacuum
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- 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
- B05D3/06—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 radiation
- B05D3/061—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 radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
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- 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
- B05D3/12—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 mechanical means
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
Abstract
The invention discloses a UV primer and UV finish vacuum spraying process, which comprises a UV primer process and a UV finish process; UV priming paint technology is through UV priming paint vacuum spraying to through UV solidification machine processing back make sand light handle and obtain UV priming paint woodwork, this process adopts UV priming paint to carry out vacuum spraying many times, and in time carry out solidification treatment, the UV priming paint woodwork adhesive force that its obtained can reach 0 level, and has good roughness, satisfies the requirement, and the preparation process is simple, and the time is short, can satisfy current spraying technology's demand. The invention also comprises a UV finish paint process, which enables the surface color difference of the wooden product to meet the product requirement and has small color difference through the processes of dust removal, vacuum spraying of the color-modifying finish paint, leveling, curing and full inspection.
Description
Technical Field
The invention relates to the field of paint processes, in particular to a vacuum spraying process of a UV primer and a UV finish paint.
Background
The UV primer layer spraying is an indispensable step in the wood product paint spraying process, can influence the subsequent paint spraying process to a certain extent, and influences the performance parameters of the whole paint layer.
In the current paint spraying process, UV priming paint vacuum spraying specifically includes the cubic spraying, UV priming paint wherein carries out the spraying levelling and carries out ultraviolet photocuring drying process, the first UV priming paint woodwork of obtaining, sand light processing again, adopt same UV priming paint coating drying process to carry out the spraying for the second time, the second UV priming paint woodwork of obtaining, sand light processing again, adopt same UV priming paint coating drying process again to carry out the cubic spraying levelling and carry out ultraviolet photocuring drying process, obtain the third UV priming paint woodwork.
The UV priming paint layer spraying process needs to be subjected to dust removal ultraviolet light curing full-drying treatment before spraying at every time, and needs a priming paint sanding process after UV priming paint vacuum spraying at every time, so that time and coating materials are wasted, the treatment process is complicated and long in time consumption, and the requirements of the existing spraying process cannot be met.
Disclosure of Invention
The invention aims to provide a vacuum spraying process of a UV primer and a UV finish paint aiming at the defects in the prior art so as to solve the problems in the prior art.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
a UV priming paint and UV top coat vacuum spraying process, including UV priming paint process and UV top coat process;
the UV primer process comprises the following steps:
s1, sanding: the plate passes through a sanding station through a conveying belt, and sanding operation is carried out on the plate by a sander, wherein the speed of the conveying belt is 16-24 m/min; the abrasive belt adopts 320#/400 #;
s2, primary primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40g-50g per square meter; the speed of the conveyer belt is 20-40 m/min;
s3, semi-curing: the plate passes through a semi-curing station through a conveyer belt, and a UV curing machine is adopted to carry out semi-curing operation on the UV primer, wherein the speed of the conveyer belt is 20-40 m/min; the energy of the gallium lamp is set to be 4 KW;
s4, secondary primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40g-50g per square meter; the speed of the conveyer belt is 20-40 m/min;
s5, full curing: the plate passes through the conveyer belt through the full cure station, adopts the UV solidification machine to carry out the full cure to the UV priming paint, and the mercury lamp energy of UV solidification machine sets up to 4KW, conveyer belt speed: 20-40 m/min;
s6, sanding: the plate passes through a sanding station through a conveying belt, and sanding operation is carried out on the plate by a sander, wherein the speed of the conveying belt is 16-24 m/min; the abrasive belt adopts 320#/400 #;
s7, three times of primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40g-50g per square meter; the speed of the conveyer belt is 20-40 m/min;
s8, semi-curing: the plate passes through a semi-curing station through a conveyer belt, and a UV curing machine is adopted to carry out semi-curing operation on the UV primer, wherein the speed of the conveyer belt is 20-40 m/min; the energy of the gallium lamp is set to be 4 KW;
s9, four times of primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40g-50g per square meter; the speed of the conveyer belt is 20-40 m/min;
s10, full curing: the plate passes through the conveyer belt through the full cure station, adopts the UV solidification machine to carry out the full cure to the UV priming paint, and the mercury lamp energy of UV solidification machine sets up to 4KW, conveyer belt speed: 20-40 m/min;
s11, sanding: the plate passes through a sanding station through a conveying belt, and sanding operation is carried out on the plate by a sander, wherein the speed of the conveying belt is 16-24 m/min; the abrasive belt adopts 320#/400 #;
s12, checking: horizontally placing the plate on a base plate for manual inspection, wherein the length of the base plate is not less than that of the plate, after the inspection is finished, stacking the plate in order, and covering a protection plate with the thickness of 3mm on the surface of the plate for later use;
the UV finishing paint comprises the following processing steps:
s13, dust removal: enabling the plate to pass through a dedusting station through a conveying belt, and adopting an electrostatic dust remover to carry out dedusting operation on the plate;
s14, vacuum spraying of a color-modifying finish paint: enabling the plate to pass through a spraying station through a conveying belt, and spraying UV color-correcting finish paint on the plate in a vacuum manner by using a vacuum spraying machine; the coating weight is 45-55 g/square meter; the speed of the conveyer belt is 10-30 m/min;
s15, leveling: the plate passes through a leveling station through a conveying belt, and a leveling machine is adopted to perform leveling operation on the plate, wherein the operation temperature is 80 ℃; the speed of the conveyer belt is 14-16 m/min; the working length is 10 m;
s16, curing: the plate passes through a curing station through a conveyer belt, and a UV curing machine is adopted to perform curing operation on the plate, wherein the speed of the conveyer belt is 15-25 m/min; the energy of the gallium lamp is set to be 4 KW;
s17, full inspection: the plate is horizontally placed on the base plate for manual inspection, the length of the base plate is not less than that of the plate, after the inspection is finished, the stacking is neat, and a protection plate with the thickness of 3mm covers the surface of the plate.
Compared with the prior art, the invention has the beneficial effects that:
the panel passes through UV priming paint vacuum spraying to through UV solidification machine processing back sanding processing obtain UV priming paint woodwork, this process adopts UV priming paint to carry out vacuum spraying many times, and in time carries out solidification processing, and the UV priming paint woodwork adhesive force that its obtained can reach 0 level, and has good roughness, satisfies the requirement, and the preparation process is simple, and the time is short, can satisfy current spraying technology's demand.
The invention also comprises a UV finish paint process, which enables the surface color difference of the wooden product to meet the product requirement and has small color difference through the processes of dust removal, vacuum spraying of the color-modifying finish paint, leveling, curing and full inspection.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The invention relates to a UV primer and UV finish vacuum spraying process, which comprises a UV primer process and a UV finish process;
the UV primer process comprises the following steps:
s1, sanding: the plate passes through a sanding station through a conveying belt, and sanding operation is carried out on the plate by a sander, wherein the speed of the conveying belt is 16-24 m/min; the abrasive belt adopts 320#/400 #;
s2, primary primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40g-50g per square meter; the speed of the conveyer belt is 20-40 m/min;
s3, semi-curing: the plate passes through a semi-curing station through a conveyer belt, and a UV curing machine is adopted to carry out semi-curing operation on the UV primer, wherein the speed of the conveyer belt is 20-40 m/min; the energy of the gallium lamp is set to be 4 KW;
s4, secondary primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40g-50g per square meter; the speed of the conveyer belt is 20-40 m/min;
s5, full curing: the plate passes through the conveyer belt through the full cure station, adopts the UV solidification machine to carry out the full cure to the UV priming paint, and the mercury lamp energy of UV solidification machine sets up to 4KW, conveyer belt speed: 20-40 m/min;
s6, sanding: the plate passes through a sanding station through a conveying belt, and sanding operation is carried out on the plate by a sander, wherein the speed of the conveying belt is 16-24 m/min; the abrasive belt adopts 320#/400 #;
s7, three times of primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40g-50g per square meter; the speed of the conveyer belt is 20-40 m/min;
s8, semi-curing: the plate passes through a semi-curing station through a conveyer belt, and a UV curing machine is adopted to carry out semi-curing operation on the UV primer, wherein the speed of the conveyer belt is 20-40 m/min; the energy of the gallium lamp is set to be 4 KW;
s9, four times of primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40g-50g per square meter; the speed of the conveyer belt is 20-40 m/min;
s10, full curing: the plate passes through the conveyer belt through the full cure station, adopts the UV solidification machine to carry out the full cure to the UV priming paint, and the mercury lamp energy of UV solidification machine sets up to 4KW, conveyer belt speed: 20-40 m/min;
s11, sanding: the plate passes through a sanding station through a conveying belt, and sanding operation is carried out on the plate by a sander, wherein the speed of the conveying belt is 16-24 m/min; the abrasive belt adopts 320#/400 #;
s12, checking: horizontally placing the plate on a base plate for manual inspection, wherein the length of the base plate is not less than that of the plate, after the inspection is finished, stacking the plate in order, and covering a protection plate with the thickness of 3mm on the surface of the plate for later use;
the UV finishing paint comprises the following processing steps:
s13, dust removal: enabling the plate to pass through a dedusting station through a conveying belt, and adopting an electrostatic dust remover to carry out dedusting operation on the plate;
s14, vacuum spraying of a color-modifying finish paint: enabling the plate to pass through a spraying station through a conveying belt, and spraying UV color-correcting finish paint on the plate in a vacuum manner by using a vacuum spraying machine; the coating weight is 45-55 g/square meter; the speed of the conveyer belt is 10-30 m/min;
s15, leveling: the plate passes through a leveling station through a conveying belt, and a leveling machine is adopted to perform leveling operation on the plate, wherein the operation temperature is 80 ℃; the speed of the conveyer belt is 14-16 m/min; the working length is 10 m;
s16, curing: the plate passes through a curing station through a conveyer belt, and a UV curing machine is adopted to perform curing operation on the plate, wherein the speed of the conveyer belt is 15-25 m/min; the energy of the gallium lamp is set to be 4 KW;
s17, full inspection: the plate is horizontally placed on the base plate for manual inspection, the length of the base plate is not less than that of the plate, after the inspection is finished, the stacking is neat, and a protection plate with the thickness of 3mm covers the surface of the plate.
Example 1
A UV priming paint and UV top coat vacuum spraying process, including UV priming paint process and UV top coat process;
the UV primer process comprises the following steps:
s1, sanding: the plate passes through a sanding station through a conveying belt, sanding operation is carried out on the plate by a sander, and the speed of the conveying belt is 16 m/min; the abrasive belt adopts 320 #;
s2, primary primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40 g/square meter; the conveyor speed was 20/min;
s3, semi-curing: the plate passes through a semi-curing station through a conveyer belt, and a UV curing machine is adopted to carry out semi-curing operation on the UV primer, wherein the speed of the conveyer belt is 20 m/min; the energy of the gallium lamp is set to be 4 KW;
s4, secondary primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40 g/square meter; the speed of the conveyor belt is 20 m/min;
s5, full curing: the plate passes through the conveyer belt through the full cure station, adopts the UV solidification machine to carry out the full cure to the UV priming paint, and the mercury lamp energy of UV solidification machine sets up to 4KW, conveyer belt speed: 20 m/min;
s6, sanding: the plate passes through a sanding station through a conveying belt, sanding operation is carried out on the plate by a sander, and the speed of the conveying belt is 16 m/min; the abrasive belt adopts 320 #;
s7, three times of primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40 g/square meter; the speed of the conveyor belt is 20 m/min;
s8, semi-curing: the plate passes through a semi-curing station through a conveyer belt, and a UV curing machine is adopted to carry out semi-curing operation on the UV primer, wherein the speed of the conveyer belt is 20 m/min; the energy of the gallium lamp is set to be 4 KW;
s9, four times of primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40 g/square meter; the speed of the conveyor belt is 20 m/min;
s10, full curing: the plate passes through the conveyer belt through the full cure station, adopts the UV solidification machine to carry out the full cure to the UV priming paint, and the mercury lamp energy of UV solidification machine sets up to 4KW, conveyer belt speed: 20 m/min;
s11, sanding: the plate passes through a sanding station through a conveying belt, sanding operation is carried out on the plate by a sander, and the speed of the conveying belt is 16 m/min; the abrasive belt adopts 320 #;
s12, checking: horizontally placing the plate on a base plate for manual inspection, wherein the length of the base plate is not less than that of the plate, after the inspection is finished, stacking the plate in order, and covering a protection plate with the thickness of 3mm on the surface of the plate for later use;
the UV finishing paint comprises the following processing steps:
s13, dust removal: enabling the plate to pass through a dedusting station through a conveying belt, and adopting an electrostatic dust remover to carry out dedusting operation on the plate;
s14, vacuum spraying of a color-modifying finish paint: enabling the plate to pass through a spraying station through a conveying belt, and spraying UV color-correcting finish paint on the plate in a vacuum manner by using a vacuum spraying machine; the coating weight is 45 g/square meter; the speed of the conveyor belt is 10 m/min;
s15, leveling: the plate passes through a leveling station through a conveying belt, and a leveling machine is adopted to perform leveling operation on the plate, wherein the operation temperature is 80 ℃; the conveyor belt speed was 14 m/min; the working length is 10 m;
s16, curing: enabling the plate to pass through a curing station through a conveying belt, and curing the plate by using a UV curing machine, wherein the speed of the conveying belt is 15 m/min; the energy of the gallium lamp is set to be 4 KW;
s17, full inspection: the plate is horizontally placed on the base plate for manual inspection, the length of the base plate is not less than that of the plate, after the inspection is finished, the stacking is neat, and a protection plate with the thickness of 3mm covers the surface of the plate.
Example 2
A UV priming paint and UV top coat vacuum spraying process, including UV priming paint process and UV top coat process;
the UV primer process comprises the following steps:
s1, sanding: the plate passes through a sanding station through a conveying belt, sanding operation is carried out on the plate by a sander, and the speed of the conveying belt is 24 m/min; the abrasive belt adopts a No. 400;
s2, primary primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 50 g/square meter; the conveyor belt speed was 40 m/min;
s3, semi-curing: the plate passes through a semi-curing station through a conveyer belt, and a UV curing machine is adopted to carry out semi-curing operation on the UV primer, wherein the speed of the conveyer belt is 40 m/min; the energy of the gallium lamp is set to be 4 KW;
s4, secondary primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 50 g/square meter; the conveyor belt speed was 40 m/min;
s5, full curing: the plate passes through the conveyer belt through the full cure station, adopts the UV solidification machine to carry out the full cure to the UV priming paint, and the mercury lamp energy of UV solidification machine sets up to 4KW, conveyer belt speed: 40 m/min;
s6, sanding: the plate passes through a sanding station through a conveying belt, sanding operation is carried out on the plate by a sander, and the speed of the conveying belt is 24 m/min; the abrasive belt adopts a No. 400;
s7, three times of primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 50 g/square meter; the conveyor belt speed was 40 m/min;
s8, semi-curing: the plate passes through a semi-curing station through a conveyer belt, and a UV curing machine is adopted to carry out semi-curing operation on the UV primer, wherein the speed of the conveyer belt is 40 m/min; the energy of the gallium lamp is set to be 4 KW;
s9, four times of primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 0 g/square meter; the conveyor belt speed was 40 m/min;
s10, full curing: the plate passes through the conveyer belt through the full cure station, adopts the UV solidification machine to carry out the full cure to the UV priming paint, and the mercury lamp energy of UV solidification machine sets up to 4KW, conveyer belt speed: 40 m/min;
s11, sanding: the plate passes through a sanding station through a conveying belt, sanding operation is carried out on the plate by a sander, and the speed of the conveying belt is 24 m/min; the abrasive belt adopts a No. 400;
s12, checking: horizontally placing the plate on a base plate for manual inspection, wherein the length of the base plate is not less than that of the plate, after the inspection is finished, stacking the plate in order, and covering a protection plate with the thickness of 3mm on the surface of the plate for later use;
the UV finishing paint comprises the following processing steps:
s13, dust removal: enabling the plate to pass through a dedusting station through a conveying belt, and adopting an electrostatic dust remover to carry out dedusting operation on the plate;
s14, vacuum spraying of a color-modifying finish paint: enabling the plate to pass through a spraying station through a conveying belt, and spraying UV color-correcting finish paint on the plate in a vacuum manner by using a vacuum spraying machine; the coating weight is 55 g/square meter; the speed of the conveyor belt is 30 m/min;
s15, leveling: the plate passes through a leveling station through a conveying belt, and a leveling machine is adopted to perform leveling operation on the plate, wherein the operation temperature is 80 ℃; the speed of the conveyer belt is 16 m/min; the working length is 10 m;
s16, curing: enabling the plate to pass through a curing station through a conveying belt, and curing the plate by using a UV curing machine, wherein the speed of the conveying belt is 25 m/min; the energy of the gallium lamp is set to be 4 KW;
s17, full inspection: the plate is horizontally placed on the base plate for manual inspection, the length of the base plate is not less than that of the plate, after the inspection is finished, the stacking is neat, and a protection plate with the thickness of 3mm covers the surface of the plate.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. A UV primer and UV finish vacuum spraying process is characterized by comprising a UV primer process and a UV finish process;
the UV primer process comprises the following steps:
s1, sanding: the plate passes through a sanding station through a conveying belt, and sanding operation is carried out on the plate by a sander, wherein the speed of the conveying belt is 16-24 m/min; the abrasive belt adopts 320#/400 #;
s2, primary primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40g-50g per square meter; the speed of the conveyer belt is 20-40 m/min;
s3, semi-curing: the plate passes through a semi-curing station through a conveyer belt, and a UV curing machine is adopted to carry out semi-curing operation on the UV primer, wherein the speed of the conveyer belt is 20-40 m/min; the energy of the gallium lamp is set to be 4 KW;
s4, secondary primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40g-50g per square meter; the speed of the conveyer belt is 20-40 m/min;
s5, full curing: the plate passes through the conveyer belt through the full cure station, adopts the UV solidification machine to carry out the full cure to the UV priming paint, and the mercury lamp energy of UV solidification machine sets up to 4KW, conveyer belt speed: 20-40 m/min;
s6, sanding: the plate passes through a sanding station through a conveying belt, and sanding operation is carried out on the plate by a sander, wherein the speed of the conveying belt is 16-24 m/min; the abrasive belt adopts 320#/400 #;
s7, three times of primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40g-50g per square meter; the speed of the conveyer belt is 20-40 m/min;
s8, semi-curing: the plate passes through a semi-curing station through a conveyer belt, and a UV curing machine is adopted to carry out semi-curing operation on the UV primer, wherein the speed of the conveyer belt is 20-40 m/min; the energy of the gallium lamp is set to be 4 KW;
s9, four times of primer spraying: the plate passes through a spraying station through a conveying belt, and a vacuum spraying machine is adopted to spray transparent UV primer on the plate in a vacuum manner; the coating weight is 40g-50g per square meter; the speed of the conveyer belt is 20-40 m/min;
s10, full curing: the plate passes through the conveyer belt through the full cure station, adopts the UV solidification machine to carry out the full cure to the UV priming paint, and the mercury lamp energy of UV solidification machine sets up to 4KW, conveyer belt speed: 20-40 m/min;
s11, sanding: the plate passes through a sanding station through a conveying belt, and sanding operation is carried out on the plate by a sander, wherein the speed of the conveying belt is 16-24 m/min; the abrasive belt adopts 320#/400 #;
s12, checking: horizontally placing the plate on a base plate for manual inspection, wherein the length of the base plate is not less than that of the plate, after the inspection is finished, stacking the plate in order, and covering a protection plate with the thickness of 3mm on the surface of the plate for later use;
the UV finishing paint comprises the following processing steps:
s13, dust removal: enabling the plate to pass through a dedusting station through a conveying belt, and adopting an electrostatic dust remover to carry out dedusting operation on the plate;
s14, vacuum spraying of a color-modifying finish paint: enabling the plate to pass through a spraying station through a conveying belt, and spraying UV color-correcting finish paint on the plate in a vacuum manner by using a vacuum spraying machine; the coating weight is 45-55 g/square meter; the speed of the conveyer belt is 10-30 m/min;
s15, leveling: the plate passes through a leveling station through a conveying belt, and a leveling machine is adopted to perform leveling operation on the plate, wherein the operation temperature is 80 ℃; the speed of the conveyer belt is 14-16 m/min; the working length is 10 m;
s16, curing: the plate passes through a curing station through a conveyer belt, and a UV curing machine is adopted to perform curing operation on the plate, wherein the speed of the conveyer belt is 15-25 m/min; the energy of the gallium lamp is set to be 4 KW;
s17, full inspection: the plate is horizontally placed on the base plate for manual inspection, the length of the base plate is not less than that of the plate, after the inspection is finished, the stacking is neat, and a protection plate with the thickness of 3mm covers the surface of the plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010458175.2A CN111570231A (en) | 2020-05-26 | 2020-05-26 | Vacuum spraying process of UV primer and UV finishing coat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010458175.2A CN111570231A (en) | 2020-05-26 | 2020-05-26 | Vacuum spraying process of UV primer and UV finishing coat |
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| CN116273807A (en) * | 2023-02-08 | 2023-06-23 | 泰州市龙洋木业有限公司 | Full-automatic wide-width vacuum UV (ultraviolet) spraying process for plates |
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Application publication date: 20200825 |