CN111570232A - Roller coating process for UV primer and water-based finish paint - Google Patents
Roller coating process for UV primer and water-based finish paint Download PDFInfo
- Publication number
- CN111570232A CN111570232A CN202010460495.1A CN202010460495A CN111570232A CN 111570232 A CN111570232 A CN 111570232A CN 202010460495 A CN202010460495 A CN 202010460495A CN 111570232 A CN111570232 A CN 111570232A
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- flat door
- conveying belt
- curing
- station
- speed
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- 238000000034 method Methods 0.000 title claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000007761 roller coating Methods 0.000 title claims abstract description 22
- 239000003973 paint Substances 0.000 title claims description 50
- 238000005507 spraying Methods 0.000 claims abstract description 57
- 238000001035 drying Methods 0.000 claims abstract description 47
- 238000000576 coating method Methods 0.000 claims description 46
- 239000011248 coating agent Substances 0.000 claims description 45
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 30
- 229910052733 gallium Inorganic materials 0.000 claims description 30
- 239000004576 sand Substances 0.000 claims description 20
- 239000000428 dust Substances 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 10
- 238000010422 painting Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 abstract description 2
- 230000037452 priming Effects 0.000 description 6
- 238000007591 painting process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- 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
-
- 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
- B05D3/02—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 baking
- B05D3/0254—After-treatment
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses a roller coating process of a UV primer and a water-based finish, which comprises a UV primer process and a water-based finish process; the UV primer process is a primer spraying and curing process with multiple processes, the obtained UV primer flat door has high adhesion, the water-based finish process is a roller coating primer and finish process with multiple processes, and the flat door with good flatness can be obtained by matching with a drying process, so that the requirements are met, the preparation process is simple, the time is short, and the requirements of the existing roller coating process can be met.
Description
Technical Field
The invention relates to the field of paint processes, in particular to a roller coating process for a UV primer and a water-based finish paint.
Background
The surface of the existing wooden door is painted so as to protect the wooden door and improve the aesthetic property of the wooden door. The existing painting operation generally adopts a roller coating process to improve the production efficiency. The surface of the door plate of the wooden door is firstly polished before the roller is painted with paint, then a paint film is formed on the surface of the door plate by the roller painting, and then the paint film is fixed on the surface of the door plate after being dried and solidified. A thin paint film is formed on the surface of the door panel in the roll coating process, however, the surface of the door panel is provided with a plurality of fine grooves, and after the paint film is coated on the surface of the door panel, part of the paint can flow into the grooves, so that a plurality of fine grooves are formed after the paint film is dried and cured, and a frosted surface is formed on the surface of the paint film.
Disclosure of Invention
The invention aims to provide a roller coating process of a UV primer and a water-based 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 roller painting process of UV priming paint and water-based finish paint comprises a UV priming paint process and a water-based finish paint process;
the UV primer process comprises the following steps:
s1, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by a sander, wherein the speed of the conveying belt is 10-15 m/min; the abrasive belt adopts 240#/320 #;
s2, attaching a bottom: the flat door passes through a bottom attaching station through a conveying belt, a double-roller putty roller coater is adopted to spray UV (ultraviolet) primer on the flat door, the speed of the conveying belt is 14-16 m/min, and the coating quantity is 13 +/-2 g/square meter;
s3, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s4, primary primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 25 +/-5 g/square meter;
s5, full curing: semi-curing the flat door by using a double-lamp curing machine, wherein the speed of a conveyor belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s6, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by a sander, wherein the speed of the conveying belt is 16-24 m/min; the abrasive belt adopts 320#/400 #;
s7, sand detection: manually adopting 400# sponge sand blocks on two sides of the conveying belt to carry out corner treatment on the flat door;
s8, putty: the flat door passes through a putty station through a conveying belt, and a double-roller putty roller coater is adopted to carry out putty operation on the flat door, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 35 +/-5 g/square meter;
s9, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s10, secondary primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 25 +/-5 g/square meter;
s11, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s12, three times of primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 25 +/-5 g/square meter;
s13, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s14, three times of primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 25 +/-5 g/square meter;
s15, full curing: semi-curing the flat door by using a double-lamp curing machine, wherein the speed of a conveyor belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s16, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by a sander, wherein the speed of the conveying belt is 14-16 m/min; the abrasive belt adopts 400#/600 #;
s17, sand detection: manually adopting 400# sponge sand blocks on two sides of the conveying belt to carry out corner treatment on the flat door;
the water-based finish paint process comprises the following steps:
s18, sanding/dedusting: the flat door passes through a sanding/dust removing station through a conveying belt, and sanding/dust removing operation is carried out on the flat door by adopting a special-shaped sanding machine/dust removing machine;
s19, roller painting of a transition primer: the flat door passes through a spraying station through a conveying belt, and a double-roller coater is adopted to spray transition primer on the surface of the flat door, wherein the coating quantity is 7 +/-2 g/square meter;
s20, drying: the flat door passes through a drying station through a conveyer belt, and a dryer is adopted to dry the flat door, wherein the speed of the conveyer belt is 10-15 m/min; the drying temperature is 120-140 ℃;
s21, roller coating of finish paint: the flat door passes through a spraying station through a conveying belt, and finish paint is sprayed on the surface of the flat door by adopting a double-roller coater, wherein the coating quantity is 25-30g per square meter;
s22, leveling: the flat door passes through a leveling station through a conveying belt, and an infrared leveling machine is adopted to perform leveling operation on the plate, wherein the speed of the conveying belt is 10-15 m/min; the leveling temperature is 40 ℃;
s23, drying: the flat door passes through a drying station through a conveyer belt, and a dryer is adopted to dry the flat door, wherein the speed of the conveyer belt is 10-15 m/min; the drying temperature is 120-140 ℃;
s24, roller coating of finish paint: the flat door passes through a spraying station through a conveying belt, and finish paint is sprayed on the surface of the flat door by adopting a double-roller coater, wherein the coating quantity is 25-30g per square meter;
s25, drying: the flat door passes through a drying station through a conveying belt, and is dried for 10 minutes by adopting a three-dimensional dryer at the temperature of 25 +/-5 ℃; drying for 20 minutes at the temperature of 40 +/-5 ℃; cooling for 10 minutes at the temperature of 25 +/-5 ℃;
s26, checking: and (4) manually inspecting the surface of the flat door.
Compared with the prior art, the invention has the beneficial effects that:
the UV primer process is a primer spraying and curing process with multiple processes, the obtained UV primer flat door has high adhesion, the water-based finish process is a roller coating primer and finish process with multiple processes, and the flat door with good flatness can be obtained by matching with a drying process, so that the requirements are met, the preparation process is simple, the time is short, and the requirements of the existing roller coating process can be met.
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 roller coating process of a UV primer and a water-based finish, which comprises a UV primer process and a water-based finish process;
the UV primer process comprises the following steps:
s1, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by a sander, wherein the speed of the conveying belt is 10-15 m/min; the abrasive belt adopts 240#/320 #;
s2, attaching a bottom: the flat door passes through a bottom attaching station through a conveying belt, a double-roller putty roller coater is adopted to spray UV (ultraviolet) primer on the flat door, the speed of the conveying belt is 14-16 m/min, and the coating quantity is 13 +/-2 g/square meter;
s3, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s4, primary primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 25 +/-5 g/square meter;
s5, full curing: semi-curing the flat door by using a double-lamp curing machine, wherein the speed of a conveyor belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s6, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by a sander, wherein the speed of the conveying belt is 16-24 m/min; the abrasive belt adopts 320#/400 #;
s7, sand detection: manually adopting 400# sponge sand blocks on two sides of the conveying belt to carry out corner treatment on the flat door;
s8, putty: the flat door passes through a putty station through a conveying belt, and a double-roller putty roller coater is adopted to carry out putty operation on the flat door, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 35 +/-5 g/square meter;
s9, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s10, secondary primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 25 +/-5 g/square meter;
s11, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s12, three times of primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 25 +/-5 g/square meter;
s13, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s14, three times of primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 25 +/-5 g/square meter;
s15, full curing: semi-curing the flat door by using a double-lamp curing machine, wherein the speed of a conveyor belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s16, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by a sander, wherein the speed of the conveying belt is 14-16 m/min; the abrasive belt adopts 400#/600 #;
s17, sand detection: manually adopting 400# sponge sand blocks on two sides of the conveying belt to carry out corner treatment on the flat door;
the water-based finish paint process comprises the following steps:
s18, sanding/dedusting: the flat door passes through a sanding/dust removing station through a conveying belt, and sanding/dust removing operation is carried out on the flat door by adopting a special-shaped sanding machine/dust removing machine;
s19, roller painting of a transition primer: the flat door passes through a spraying station through a conveying belt, and a double-roller coater is adopted to spray transition primer on the surface of the flat door, wherein the coating quantity is 7 +/-2 g/square meter;
s20, drying: the flat door passes through a drying station through a conveyer belt, and a dryer is adopted to dry the flat door, wherein the speed of the conveyer belt is 10-15 m/min; the drying temperature is 120-140 ℃;
s21, roller coating of finish paint: the flat door passes through a spraying station through a conveying belt, and finish paint is sprayed on the surface of the flat door by adopting a double-roller coater, wherein the coating quantity is 25-30g per square meter;
s22, leveling: the flat door passes through a leveling station through a conveying belt, and an infrared leveling machine is adopted to perform leveling operation on the plate, wherein the speed of the conveying belt is 10-15 m/min; the leveling temperature is 40 ℃;
s23, drying: the flat door passes through a drying station through a conveyer belt, and a dryer is adopted to dry the flat door, wherein the speed of the conveyer belt is 10-15 m/min; the drying temperature is 120-140 ℃;
s24, roller coating of finish paint: the flat door passes through a spraying station through a conveying belt, and finish paint is sprayed on the surface of the flat door by adopting a double-roller coater, wherein the coating quantity is 25-30g per square meter;
s25, drying: the flat door passes through a drying station through a conveying belt, and is dried for 10 minutes by adopting a three-dimensional dryer at the temperature of 25 +/-5 ℃; drying for 20 minutes at the temperature of 40 +/-5 ℃; cooling for 10 minutes at the temperature of 25 +/-5 ℃;
s26, checking: and (4) manually inspecting the surface of the flat door.
Example 1
A roller painting process of UV priming paint and water-based finish paint comprises a UV priming paint process and a water-based finish paint process;
the UV primer process comprises the following steps:
s1, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by adopting a sander, wherein the speed of the conveying belt is 10 m/min; the abrasive belt adopts 240 #;
s2, attaching a bottom: the flat door passes through a bottom attaching station through a conveying belt, a double-roller putty roller coater is adopted to spray UV (ultraviolet) primer on the flat door, the speed of the conveying belt is 14 m/min, and the coating quantity is 11 g/square meter;
s3, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14 m/min, and the energy of a gallium lamp is set to be 4 KW;
s4, primary primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14 m/min, and the coating quantity is 20 g/square meter;
s5, full curing: semi-curing the flat door by using a double-lamp curing machine, wherein the speed of a conveyor belt is 14 m/min, and the energy of a gallium lamp is set to be 4 KW;
s6, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by adopting a sander, wherein the speed of the conveying belt is 16 m/min; the abrasive belt adopts 320 #;
s7, sand detection: manually adopting 400# sponge sand blocks on two sides of the conveying belt to carry out corner treatment on the flat door;
s8, putty: the flat door passes through a putty station through a conveying belt, and a double-roller putty roller coater is adopted to carry out putty operation on the flat door, wherein the speed of the conveying belt is 14 m/min, and the coating quantity is 30 g/square meter;
s9, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14 m/min, and the energy of a gallium lamp is set to be 4 KW;
s10, secondary primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14 m/min, and the coating quantity is 20 g/square meter;
s11, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14 m/min, and the energy of a gallium lamp is set to be 4 KW;
s12, three times of primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14 m/min, and the coating quantity is 20 g/square meter;
s13, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14 m/min, and the energy of a gallium lamp is set to be 4 KW;
s14, three times of primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14 m/min, and the coating quantity is 20 g/square meter;
s15, full curing: semi-curing the flat door by using a double-lamp curing machine, wherein the speed of a conveyor belt is 14 m/min, and the energy of a gallium lamp is set to be 4 KW;
s16, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by a sander, wherein the speed of the conveying belt is 14 m/min; the abrasive belt adopts a No. 400;
s17, sand detection: manually adopting 400# sponge sand blocks on two sides of the conveying belt to carry out corner treatment on the flat door;
the water-based finish paint process comprises the following steps:
s18, sanding/dedusting: the flat door passes through a sanding/dust removing station through a conveying belt, and sanding/dust removing operation is carried out on the flat door by adopting a special-shaped sanding machine/dust removing machine;
s19, roller painting of a transition primer: the flat door passes through a spraying station through a conveying belt, and a double-roller coater is adopted to spray transition primer on the surface of the flat door, wherein the coating quantity is 5g per square meter;
s20, drying: the flat door passes through a drying station through a conveying belt, and a dryer is adopted to dry the flat door, wherein the speed of the conveying belt is 10 m/min; the drying temperature is 120 ℃;
s21, roller coating of finish paint: the flat door passes through a spraying station through a conveying belt, and finish paint is sprayed on the surface of the flat door by adopting a double-roller coater, wherein the coating quantity is 25g per square meter;
s22, leveling: enabling the flat door to pass through a leveling station through a conveying belt, and performing leveling operation on the plate by adopting an infrared leveling machine, wherein the speed of the conveying belt is 10 m/min; the leveling temperature is 40 ℃;
s23, drying: the flat door passes through a drying station through a conveying belt, and a dryer is adopted to dry the flat door, wherein the speed of the conveying belt is 10 m/min; the drying temperature is 120 ℃;
s24, roller coating of finish paint: the flat door passes through a spraying station through a conveying belt, and finish paint is sprayed on the surface of the flat door by adopting a double-roller coater, wherein the coating quantity is 25g per square meter;
s25, drying: the flat door passes through a drying station through a conveying belt, and is dried for 10 minutes by a three-dimensional dryer at the temperature of 20 ℃; drying for 20 minutes at 35 ℃; cooling for 10 minutes at 20 ℃;
s26, checking: and (4) manually inspecting the surface of the flat door.
Example 2
A roller painting process of UV priming paint and water-based finish paint comprises a UV priming paint process and a water-based finish paint process;
the UV primer process comprises the following steps:
s1, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by adopting a sander, wherein the speed of the conveying belt is 15 m/min; the abrasive belt adopts 320 #;
s2, attaching a bottom: the flat door passes through a bottom attaching station through a conveying belt, a double-roller putty roller coater is adopted to spray UV (ultraviolet) primer on the flat door, the speed of the conveying belt is 16 m/min, and the coating quantity is 15 g/square meter;
s3, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to perform semi-curing operation on the flat door, wherein the speed of the conveyer belt is 16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s4, primary primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 16 m/min, and the coating quantity is 30 g/square meter;
s5, full curing: semi-curing the flat door by using a double-lamp curing machine, wherein the speed of a conveyor belt is 16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s6, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by adopting a sander, wherein the speed of the conveying belt is 24 m/min; the abrasive belt adopts a No. 400;
s7, sand detection: manually adopting 400# sponge sand blocks on two sides of the conveying belt to carry out corner treatment on the flat door;
s8, putty: the flat door passes through a putty station through a conveying belt, and a double-roller putty roller coater is adopted to carry out putty operation on the flat door, wherein the speed of the conveying belt is 16 m/min, and the coating quantity is 40 g/square meter;
s9, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to perform semi-curing operation on the flat door, wherein the speed of the conveyer belt is 16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s10, secondary primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 16 m/min, and the coating quantity is 30 g/square meter;
s11, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to perform semi-curing operation on the flat door, wherein the speed of the conveyer belt is 16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s12, three times of primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 16 m/min, and the coating quantity is 30 g/square meter;
s13, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to perform semi-curing operation on the flat door, wherein the speed of the conveyer belt is 16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s14, three times of primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 16 m/min, and the coating quantity is 30 g/square meter;
s15, full curing: semi-curing the flat door by using a double-lamp curing machine, wherein the speed of a conveyor belt is 16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s16, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by adopting a sander, wherein the speed of the conveying belt is 16 m/min; the abrasive belt adopts a pattern of 600 #;
s17, sand detection: manually adopting 400# sponge sand blocks on two sides of the conveying belt to carry out corner treatment on the flat door;
the water-based finish paint process comprises the following steps:
s18, sanding/dedusting: the flat door passes through a sanding/dust removing station through a conveying belt, and sanding/dust removing operation is carried out on the flat door by adopting a special-shaped sanding machine/dust removing machine;
s19, roller painting of a transition primer: the flat door passes through a spraying station through a conveying belt, and a double-roller coater is adopted to spray transition primer on the surface of the flat door, wherein the coating quantity is 9g per square meter;
s20, drying: the flat door passes through a drying station through a conveyer belt, and a dryer is adopted to dry the flat door, wherein the speed of the conveyer belt is 15 m/min; the drying temperature is 140 ℃;
s21, roller coating of finish paint: the flat door passes through a spraying station through a conveying belt, and finish paint is sprayed on the surface of the flat door by using a double-roller coater, wherein the coating quantity is 30g per square meter;
s22, leveling: enabling the flat door to pass through a leveling station through a conveying belt, and performing leveling operation on the plate by adopting an infrared leveling machine, wherein the speed of the conveying belt is 15 m/min; the leveling temperature is 40 ℃;
s23, drying: the flat door passes through a drying station through a conveyer belt, and a dryer is adopted to dry the flat door, wherein the speed of the conveyer belt is 15 m/min; the drying temperature is 140 ℃;
s24, roller coating of finish paint: the flat door passes through a spraying station through a conveying belt, and finish paint is sprayed on the surface of the flat door by using a double-roller coater, wherein the coating quantity is 30g per square meter;
s25, drying: the flat door passes through a drying station through a conveying belt, and is dried for 10 minutes by a three-dimensional dryer at the temperature of 30 ℃; drying for 20 minutes at the temperature of 45 ℃; cooling for 10 minutes at 30 ℃;
s26, checking: and (4) manually inspecting the surface of the flat door.
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 roller coating process for a UV primer and a water-based finish is characterized by comprising a UV primer process and a water-based finish process;
the UV primer process comprises the following steps:
s1, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by a sander, wherein the speed of the conveying belt is 10-15 m/min; the abrasive belt adopts 240#/320 #;
s2, attaching a bottom: the flat door passes through a bottom attaching station through a conveying belt, a double-roller putty roller coater is adopted to spray UV (ultraviolet) primer on the flat door, the speed of the conveying belt is 14-16 m/min, and the coating quantity is 13 +/-2 g/square meter;
s3, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s4, primary primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 25 +/-5 g/square meter;
s5, full curing: semi-curing the flat door by using a double-lamp curing machine, wherein the speed of a conveyor belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s6, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by a sander, wherein the speed of the conveying belt is 16-24 m/min; the abrasive belt adopts 320#/400 #;
s7, sand detection: manually adopting 400# sponge sand blocks on two sides of the conveying belt to carry out corner treatment on the flat door;
s8, putty: the flat door passes through a putty station through a conveying belt, and a double-roller putty roller coater is adopted to carry out putty operation on the flat door, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 35 +/-5 g/square meter;
s9, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s10, secondary primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 25 +/-5 g/square meter;
s11, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s12, three times of primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 25 +/-5 g/square meter;
s13, semi-curing: the flat door passes through a semi-curing station through a conveyer belt, and a double-lamp curing machine is adopted to carry out semi-curing operation on the flat door, wherein the speed of the conveyer belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s14, three times of primer spraying: the flat door passes through a spraying station through a conveying belt, and UV sanding transparent primer is sprayed on the flat door by adopting a double-roller coater, wherein the speed of the conveying belt is 14-16 m/min, and the coating quantity is 25 +/-5 g/square meter;
s15, full curing: semi-curing the flat door by using a double-lamp curing machine, wherein the speed of a conveyor belt is 14-16 m/min, and the energy of a gallium lamp is set to be 4 KW;
s16, sanding: the flat door passes through a sanding station through a conveying belt, and sanding operation is carried out on the flat door by a sander, wherein the speed of the conveying belt is 14-16 m/min; the abrasive belt adopts 400#/600 #;
s17, sand detection: manually adopting 400# sponge sand blocks on two sides of the conveying belt to carry out corner treatment on the flat door;
the water-based finish paint process comprises the following steps:
s18, sanding/dedusting: the flat door passes through a sanding/dust removing station through a conveying belt, and sanding/dust removing operation is carried out on the flat door by adopting a special-shaped sanding machine/dust removing machine;
s19, roller painting of a transition primer: the flat door passes through a spraying station through a conveying belt, and a double-roller coater is adopted to spray transition primer on the surface of the flat door, wherein the coating quantity is 7 +/-2 g/square meter;
s20, drying: the flat door passes through a drying station through a conveyer belt, and a dryer is adopted to dry the flat door, wherein the speed of the conveyer belt is 10-15 m/min; the drying temperature is 120-140 ℃;
s21, roller coating of finish paint: the flat door passes through a spraying station through a conveying belt, and finish paint is sprayed on the surface of the flat door by adopting a double-roller coater, wherein the coating quantity is 25-30g per square meter;
s22, leveling: the flat door passes through a leveling station through a conveying belt, and an infrared leveling machine is adopted to perform leveling operation on the plate, wherein the speed of the conveying belt is 10-15 m/min; the leveling temperature is 40 ℃;
s23, drying: the flat door passes through a drying station through a conveyer belt, and a dryer is adopted to dry the flat door, wherein the speed of the conveyer belt is 10-15 m/min; the drying temperature is 120-140 ℃;
s24, roller coating of finish paint: the flat door passes through a spraying station through a conveying belt, and finish paint is sprayed on the surface of the flat door by adopting a double-roller coater, wherein the coating quantity is 25-30g per square meter;
s25, drying: the flat door passes through a drying station through a conveying belt, and is dried for 10 minutes by adopting a three-dimensional dryer at the temperature of 25 +/-5 ℃; drying for 20 minutes at the temperature of 40 +/-5 ℃; cooling for 10 minutes at the temperature of 25 +/-5 ℃;
s26, checking: and (4) manually inspecting the surface of the flat door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010460495.1A CN111570232A (en) | 2020-05-26 | 2020-05-26 | Roller coating process for UV primer and water-based finish paint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010460495.1A CN111570232A (en) | 2020-05-26 | 2020-05-26 | Roller coating process for UV primer and water-based finish paint |
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| CN111570232A true CN111570232A (en) | 2020-08-25 |
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| CN202010460495.1A Pending CN111570232A (en) | 2020-05-26 | 2020-05-26 | Roller coating process for UV primer and water-based finish paint |
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Cited By (1)
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| CN113731774A (en) * | 2021-08-26 | 2021-12-03 | 江山欧派门业股份有限公司 | Production process of efficient baking varnish cabinet body |
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