CN111957493A - Workpiece paint spraying system and method for spraying paint on workpiece by using same - Google Patents
Workpiece paint spraying system and method for spraying paint on workpiece by using same Download PDFInfo
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- CN111957493A CN111957493A CN202010995258.5A CN202010995258A CN111957493A CN 111957493 A CN111957493 A CN 111957493A CN 202010995258 A CN202010995258 A CN 202010995258A CN 111957493 A CN111957493 A CN 111957493A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/60—Ventilation arrangements specially adapted therefor
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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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
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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
- B05D3/02—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
- B05D3/0272—After-treatment with ovens
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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
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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
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
Abstract
The invention belongs to the technical field of paint spraying systems and paint spraying methods, and discloses a workpiece paint spraying system and a paint spraying method using the same. The main technical characteristics are as follows: including the confined work piece conveyer belt that has the work piece lifting hook, the pendant room, the paint spray booth, bake out the stove, polish the room and get a room, bake out the stove and include first bake out stove and second bake out stove, the paint spray booth includes the priming paint spray booth, first well lacquer spray booth, lacquer spray booth and finish paint spray booth in the second, the work piece conveyer belt passes through the pendant room in proper order, the priming paint spray booth, first bake out stove, first well lacquer spray booth, second well lacquer spray booth, the second bake out stove, polish the room, finish paint spray booth, first bake out stove and get a room, it is closed in the pendant room at last, the temperature in first bake out stove is less than the temperature in the second bake out stove. The finish paint is not easy to wrinkle under the condition of low temperature, the energy is saved, a plurality of stations are completed on one production line, the working efficiency is high, and the workpiece quality is good.
Description
Technical Field
The invention belongs to the technical field of workpiece paint spraying systems and paint spraying methods, and particularly relates to a workpiece paint spraying system and a method for spraying paint on a workpiece by using the same.
Background
In order to improve the corrosion resistance of the metal workpiece and prolong the service life of the workpiece, paint needs to be sprayed on the surface of the workpiece after the metal workpiece is manufactured. In order to avoid environmental pollution during paint spraying, the workpiece is painted in a closed paint spraying chamber at present, and the painted workpiece is dried through a baking oven.
The existing workpiece paint spraying system comprises a closed workpiece conveying belt with a workpiece lifting hook, a hanging chamber, a paint spraying chamber, a baking oven, a polishing chamber and a workpiece taking chamber, wherein a workpiece is hung on the workpiece conveying belt in the hanging chamber, and is successively conveyed to the paint spraying chamber, the baking oven, the polishing chamber and the workpiece taking chamber through the workpiece conveying belt. The method comprises the following steps of firstly conveying the workpiece sprayed with the primer into a baking oven for drying after the primer is sprayed, then spraying the primer on the workpiece dried with the primer, conveying the workpiece sprayed with the primer into the baking oven for drying, then spraying the finish on the workpiece dried with the primer, and then conveying the workpiece into the baking oven for drying again.
The painting system and the painting method have the following defects: firstly, workpieces are dried in the same baking oven, the temperature in the baking oven is consistent, when the temperature is higher, the intermediate paint can be guaranteed to be dried, but the primer is thinner, when the primer is dried, energy waste is easily caused, when the finish paint is dried, because the temperature is higher, the finish paint is easy to form wrinkles on the surface, the attractiveness is influenced, the corrosion resistance of the workpieces is reduced, the service life is shortened, when the temperature is lower, although the finish paint is not easy to wrinkle, the primer can be just dried when the intermediate paint is taken out of the baking oven, the intermediate paint is not dried when the intermediate paint is taken out of the baking oven due to the influence of the material and the thickness, and at the moment, the finish paint is sprayed on the outer side of the intermediate paint, the problems that the; secondly, hanging a workpiece, spraying primer, spraying intermediate paint, spraying finish paint, baking, polishing, taking the workpiece and other stations, wherein due to the unreasonable arrangement of the tracks of the workpiece conveying belt, personnel outlets of the stations are positioned at the inner side of the workpiece conveying belt, and in the working process, when a dangerous condition occurs, an operator is influenced by the workpiece below the workpiece conveying belt during escape, so that the escape is not easy to happen, and the safety performance is poor; thirdly, the number of stations is small, and the working efficiency is low.
Disclosure of Invention
The invention aims to solve the first technical problem of providing a workpiece paint spraying system which can well dry a primer, a middle paint and a finish paint, saves energy, and has high safety coefficient and good workpiece quality in the production process.
In order to solve the problems, the workpiece paint spraying system adopts the technical scheme that:
including confined work piece conveyer belt, pendant room, paint spray booth, the baking oven that has the work piece lifting hook, the baking oven includes first baking oven and second baking oven, paint spray booth includes in priming paint spray booth, first well lacquer spray booth, second lacquer spray booth and finish paint spray booth, the work piece conveyer belt passes through pendant room, priming paint spray booth, first baking oven, first well lacquer spray booth, second in proper order, lacquer spray booth, second baking oven, finish paint spray booth, first baking oven and gets a room, and is closed in the pendant room at last be provided with heating mechanism on first baking oven and the second baking oven, the temperature in the first baking oven is less than the temperature in the second baking oven.
The additional technical characteristics are as follows:
the workpiece conveying belt which enters the first baking furnace through the primer paint spraying chamber is a straight line; the workpiece conveying belt which enters the second baking furnace after passing through a second paint spraying chamber is S-shaped; the workpiece conveying belt which enters the first baking furnace after passing through a finish paint spraying chamber is U-shaped;
the access doors of the primer paint spraying chamber, the first intermediate paint spraying chamber, the finish paint spraying chamber, the hanging member chamber, the polishing chamber and the workpiece taking chamber are positioned at the outer side of the workpiece conveying belt, the access door of the second intermediate paint spraying chamber is positioned at the inner side of the workpiece conveying belt, an escape passage is arranged below the ground near the second intermediate paint spraying chamber, the entrance of the escape passage is positioned at the access door of the second intermediate paint spraying chamber, and the exit of the escape passage is positioned at the outer side of the workpiece conveying belt;
a plurality of air outlets with downward and transverse openings are arranged above the inlet and outlet positions of the workpiece conveyer belts of the first baking oven and the second baking oven;
the primer paint spraying chamber, the first intermediate paint spraying chamber, the second intermediate paint spraying chamber and the finish paint spraying chamber respectively comprise a personnel standing area, a workpiece paint spraying area and an exhaust gas purification and discharge area, and an air supply raise is arranged above the personnel standing area.
The second technical problem to be solved by the invention is to provide a method for painting a workpiece by the workpiece painting system.
In order to solve the problems, the method for painting the workpiece by the workpiece painting system adopts the technical scheme that:
the method comprises the following steps:
first, hang the workpiece
Hanging the workpiece on a workpiece lifting hook in a hanging chamber;
second, spraying primer
The suspended workpiece reaches a primer spray booth along with the rotation of the workpiece conveyer belt, and primer is sprayed on the surface of the workpiece in the primer spray booth by a spray mechanism;
thirdly, drying the priming paint in a first baking furnace
The workpiece sprayed with the primer reaches a first baking furnace along with a workpiece conveying belt, the temperature in the first baking furnace is lower than that in a second baking furnace, and the primer is dried in the first baking furnace;
fourthly, spraying the intermediate paint
The workpiece after the primer is dried reaches a first intermediate paint spraying chamber along with the workpiece conveying belt, intermediate paint is sprayed on one side of the workpiece in the first intermediate paint spraying chamber, and then the workpiece enters a second intermediate paint spraying chamber along with the workpiece conveying belt and intermediate paint is sprayed on the other side of the workpiece;
fifthly, drying the primer in a second baking furnace
The workpiece sprayed with the intermediate paint reaches a second baking oven along with the workpiece conveying belt, and the intermediate paint is dried in the second baking oven;
sixthly, polishing the surface of the workpiece
The dried workpiece with the intermediate paint reaches a grinding chamber along with a workpiece conveying belt, and the outer surface of the intermediate paint of the workpiece is ground completely;
seventh, spraying finish paint
The polished workpiece reaches a finish paint spraying chamber along with a workpiece conveying belt, and finish paint is sprayed on the surface of the workpiece;
eighth step, drying the finish paint
The workpiece sprayed with the finish paint reaches a first baking oven along with a workpiece conveying belt, and the finish paint is dried in the first baking oven;
the ninth step, get the piece
And the workpiece with the dried finish paint reaches the workpiece taking chamber along with the workpiece conveying belt, and the workpiece after paint spraying is taken down from the workpiece conveying belt in the workpiece taking chamber.
Compared with the prior art, the workpiece paint spraying system and the paint spraying method provided by the invention have the following advantages: the workpiece conveying belt sequentially passes through the hanging room, the primer paint spraying room, the first baking oven, the first intermediate paint spraying room, the second baking oven, the polishing room, the finish paint spraying room, the first baking oven and the workpiece taking room, and is finally closed in the hanging room, heating mechanisms are arranged on the first baking oven and the second baking oven, the temperature in the first baking oven is lower than that in the second baking oven, and the workpiece is hung on the workpiece hook in the hanging room; the suspended workpiece reaches a primer spray booth along with the rotation of the workpiece conveyer belt, and primer is sprayed on the surface of the workpiece in the primer spray booth by a spray mechanism; the workpiece sprayed with the primer reaches a first baking furnace along with a workpiece conveying belt, the temperature in the first baking furnace is lower than that in a second baking furnace, and the primer is dried in the first baking furnace; the workpiece after the primer is dried reaches a first intermediate paint spraying chamber along with the workpiece conveying belt, intermediate paint is sprayed on one side of the workpiece in the first intermediate paint spraying chamber, and then the workpiece enters a second intermediate paint spraying chamber along with the workpiece conveying belt and intermediate paint is sprayed on the other side of the workpiece; the workpiece sprayed with the intermediate paint reaches a second baking oven along with the workpiece conveying belt, and the intermediate paint is dried in the second baking oven; the dried workpiece with the intermediate paint reaches a grinding chamber along with a workpiece conveying belt, and the outer surface of the intermediate paint of the workpiece is ground completely; the polished workpiece reaches a finish paint spraying chamber along with a workpiece conveying belt, and finish paint is sprayed on the surface of the workpiece; the workpiece sprayed with the finish paint reaches a first baking oven along with a workpiece conveying belt, and the finish paint is dried in the first baking oven; the workpiece with the dried finish paint reaches the workpiece taking chamber along with the workpiece conveying belt, the workpiece after paint spraying is taken down from the workpiece conveying belt in the workpiece taking chamber, the primer is thin and is easy to dry, the temperature in the first baking furnace is low, the requirement that the primer is dried when the workpiece is taken out of the first baking furnace can be met, the primer is not easy to dry due to the fact that the material of the primer is not easy to dry, the primer is thick, and the temperature of the second baking furnace is high, so that the requirement that the primer is dried when the workpiece is taken out of the second baking furnace can be met, the workpiece enters the first baking furnace again to be dried after the finish paint is polished and sprayed, the finish paint is not easy to wrinkle under the condition of low temperature, the finish paint is easy to dry, energy is saved, the finish paint is not easy to wrinkle, a plurality of stations are finished on one production line, the working efficiency is high; secondly, the workpiece conveying belt entering the first baking furnace through the primer paint spraying chamber is a straight line; the workpiece conveying belt which enters the second baking furnace after passing through a second paint spraying chamber is S-shaped; the workpiece conveying belt which enters the first baking furnace after passing through a finish paint spraying chamber is U-shaped; the primer is thin and the raw materials are easy to dry, so that the primer is easy to dry under the conditions of short time and low temperature, the finish paint can be dried under the conditions of short time and low temperature, and the intermediate paint can be dried under the conditions of long time and high temperature due to the reason that the material and the thickness are thicker, so that the temperature of the second baking oven is higher, the bypassing distance of the workpiece sprayed with the intermediate paint in the second baking oven is large, and the baking time is long; thirdly, as the access doors of the primer paint spraying chamber, the first intermediate paint spraying chamber, the finish paint spraying chamber, the hanging chamber, the polishing chamber and the pickup chamber are positioned at the outer side of the workpiece conveying belt, the access door of the second intermediate paint spraying chamber is positioned at the inner side of the workpiece conveying belt, an escape passage is arranged below the ground near the second intermediate paint spraying chamber, the entrance of the escape passage is positioned at the access door of the second intermediate paint spraying chamber, and the exit of the escape passage is positioned at the outer side of the workpiece conveying belt, therefore, in the paint spraying process, if a dangerous condition occurs, operators in each chamber can rapidly escape from the respective doorway to the outer side, and the operators in the second intermediate paint spraying chamber can escape from the ground through the escape passage, so that casualties caused by safety accidents are avoided, and the use is safer and more convenient; fourthly, a plurality of air outlets with downward openings and transverse arrangement are arranged above the inlet and outlet positions of the workpiece conveyer belts of the first baking oven and the second baking oven, so that air curtains are formed at the inlet and outlet positions of the workpiece conveyer belts of the first baking oven and the second baking oven, and heat loss is avoided; fifthly, because lacquer spray booth and finish paint spray booth all include personnel area, work piece spray booth, the exhaust purification discharge area of standing in priming paint spray booth, first well lacquer spray booth, the second the personnel stand the district top and are provided with the air feed patio, and the air feed patio is bloied in the district to personnel stand always, and the coating cloud that produces when spraying paint enters into the exhaust purification discharge area along with blowing and purifies the discharge, has avoided personnel to inhale the coating cloud.
Drawings
FIG. 1 is a schematic block diagram of a workpiece painting system according to the present invention;
fig. 2 is a sectional view of a first oven;
FIG. 3 is a side view of the workpiece conveyor belt with workpieces;
FIG. 4 is a front view of the workpiece conveyor belt with workpieces;
FIG. 5 is a schematic structural view of a side surface of a second oven;
FIG. 6 is a schematic view of the construction of a primer spray booth.
Detailed Description
The structure and operation of the paint spraying system for workpieces according to the invention will be described in more detail with reference to the accompanying drawings and the description of the preferred embodiments.
As shown in fig. 1, 2, 3, 4, 5 and 6, the work painting system of the present invention includes a closed work conveyor 2 with a work hook 1, a hanging room 3, a painting room 4, a baking oven 5, a polishing room 6 and a pick-up room 7, the baking oven 5 includes a first baking oven 51 and a second baking oven 52, the painting room 4 includes a primer painting room 8, a first intermediate paint painting room 9, a second intermediate paint painting room 10 and a finish painting room 11, the work conveyor 2 passes through the hanging room 3, the primer painting room 8, the first baking oven 51, the first intermediate paint room 9, the second intermediate paint painting room 10, the second baking oven 52, the polishing room 6, the finish painting room 11, the first baking oven 51 and the pick-up room 7 in sequence, and is finally closed in the hanging room 3, a heating mechanism 23 is provided on the first baking oven 51 and the second baking oven 52, the temperature in the first bake oven 51 is lower than the temperature in the second bake oven 52.
Hanging a workpiece 12 on a workpiece hook 1 in a hanging chamber 3; the suspended workpiece 12 rotates along with the workpiece conveying belt 2 to reach the primer spray booth 8, and a spray mechanism is used for spraying primer to the surface of the workpiece in the primer spray booth 8; the workpiece 12 after being sprayed with the primer reaches the first baking oven 51 along with the workpiece conveyor belt 2, the temperature in the first baking oven 51 is lower than that in the second baking oven 52, and the primer is dried in the first baking oven 51; the workpiece 12 after drying the primer reaches a first intermediate paint spraying chamber 9 along with the workpiece conveyer belt 2, intermediate paint is sprayed on one side of the workpiece in the first intermediate paint spraying chamber 9, and then the workpiece 12 enters a second intermediate paint spraying chamber 10 along with the workpiece conveyer belt 2, and intermediate paint is sprayed on the other side of the workpiece; the workpiece 12 after being painted with the intermediate paint reaches the second baking oven 52 along with the workpiece conveyer 2, and the intermediate paint is dried in the second baking oven 52; the workpiece 12 after being dried and painted reaches the polishing chamber 6 along with the workpiece conveying belt 2, and the outer surface of the workpiece with the paint is polished completely; the polished workpiece reaches a finish paint spraying chamber 11 along with a workpiece conveying belt, and finish paint is sprayed on the surface of the workpiece; the workpiece 12 sprayed with the finish reaches the first baking oven 51 along with the workpiece conveyor belt 2, and the finish is dried in the first baking oven 51; the workpiece with the dried finish paint reaches the workpiece taking chamber 7 along with the workpiece conveying belt, and the workpiece after paint spraying is taken down from the workpiece conveying belt in the workpiece taking chamber 7.
Because the priming paint is thinner, and the material is dried more easily, the temperature ratio in first baking oven 51 is lower, can satisfy that the priming paint just dried when the work piece goes out from first baking oven 51, because the well lacquer material is difficult to dry, and well lacquer is thicker, second baking oven 52 temperature is higher, thus, can satisfy that well lacquer is just dried when the work piece goes out from the second baking oven, after the finish paint is spouted in the process of polishing, the work piece gets into first baking oven again and dries, the finish paint is difficult to play the fold under the condition that the temperature is low, and still dry easily, the energy has been practiced thrift, a plurality of stations are accomplished on a production line, high working efficiency, use safety and convenience more, the work piece is of high quality.
The workpiece conveyor belt entering the first baking oven 51 through the primer painting chamber 8 is linear; the workpiece conveyor belt 2 which enters the second baking oven 52 after passing through the second intermediate paint spray booth 9 is S-shaped; the workpiece conveying belt which enters the first baking furnace after passing through a finish paint spraying chamber is U-shaped; the primer is thin, the raw materials are easy to dry, the finish paint can be dried under the conditions of short time and low temperature, the intermediate paint can be dried under the conditions of long time and low temperature due to the fact that the material and the thickness of the intermediate paint are thick, the intermediate paint can be dried under the conditions of long time and high temperature, therefore, the temperature of the second baking oven is high, the bypassing distance of the workpiece in the second baking oven after the intermediate paint is sprayed is large, and the baking time is long.
The access doors 13 of the primer paint spraying chamber 8, the first intermediate paint spraying chamber 9, the finish paint spraying chamber 11, the hanging chamber 3, the polishing chamber 6 and the piece taking chamber 7 are positioned on the outer side of the workpiece conveying belt 2, the access door 14 of the second intermediate paint spraying chamber 10 is positioned on the inner side of the workpiece conveying belt 2, an escape passage 15 is arranged below the ground near the second intermediate paint spraying chamber 10, the entrance of the escape passage 15 is positioned at the access door 14 of the second intermediate paint spraying chamber, and the exit 16 of the escape passage 15 is positioned on the outer side of the workpiece conveying belt 2.
A plurality of air outlets 18 with downward openings and transverse arrangement are arranged above the positions of the inlets and the outlets 17 of the workpiece conveyor belts 2 of the first baking oven 51 and the second baking oven 52, so that air curtains are formed at the positions of the inlets and the outlets 17 of the workpiece conveyor belts 2 of the first baking oven 51 and the second baking oven 52, and heat loss is avoided.
As shown in fig. 6, the primer spray booth 8 includes a personnel standing area 19, a workpiece spray painting area 20, and an exhaust purification discharge area 21, wherein an air supply patio 22 is provided above the personnel standing area 19, the air supply patio 22 blows air into the personnel standing area 19 all the time, paint mist generated during spray painting enters the exhaust purification discharge area 21 along with the blowing air to be purified and discharged, and thus, people are prevented from sucking the paint mist. The first intermediate paint spray booth 9, the second intermediate paint spray booth 10 and the top paint spray booth 11 are identical in construction to the primer spray booth 8.
The method for painting the workpiece by using the workpiece painting system adopts the technical scheme that:
the method comprises the following steps:
first, hang the workpiece
Hanging a workpiece 12 on a workpiece hook 1 in a hanging chamber 3;
second, spraying primer
The suspended workpiece 12 rotates along with the workpiece conveying belt 2 to reach the primer spray booth 8, and a spray mechanism is used for spraying primer to the surface of the workpiece in the primer spray booth 8;
thirdly, drying the priming paint in a first baking furnace
The workpiece 12 after being sprayed with the primer reaches the first baking oven 51 along with the workpiece conveyor belt 2, the temperature in the first baking oven 51 is lower than that in the second baking oven 52, and the primer is dried in the first baking oven 51;
fourthly, spraying the intermediate paint
The workpiece 12 after drying the primer reaches a first intermediate paint spraying chamber 9 along with the workpiece conveyer belt 2, intermediate paint is sprayed on one side of the workpiece in the first intermediate paint spraying chamber 9, and then the workpiece 12 enters a second intermediate paint spraying chamber 10 along with the workpiece conveyer belt 2, and intermediate paint is sprayed on the other side of the workpiece;
fifthly, drying the primer in a second baking furnace
The workpiece 12 after being painted with the intermediate paint reaches the second baking oven 52 along with the workpiece conveyer 2, and the intermediate paint is dried in the second baking oven 52;
sixthly, polishing the surface of the workpiece
The workpiece 12 after being dried and painted reaches the polishing chamber 6 along with the workpiece conveying belt 2, and the outer surface of the workpiece with the paint is polished completely;
seventh, spraying finish paint
The polished workpiece reaches a finish paint spraying chamber 11 along with a workpiece conveying belt, and finish paint is sprayed on the surface of the workpiece;
eighth step, drying the finish paint
The workpiece 12 sprayed with the finish reaches the first baking oven 51 along with the workpiece conveyor belt 2, and the finish is dried in the first baking oven 51;
the ninth step, get the piece
The workpiece 12 with the dried finish reaches the workpiece taking chamber 7 along with the workpiece conveying belt 2, and the workpiece after paint spraying is taken down from the workpiece conveying belt in the workpiece taking chamber 7.
The scope of the present invention is not limited to the above-described embodiments, and it is within the scope of the present invention that the painting method is the same as or similar to the painting method as long as the structure is the same as or similar to the structure of the workpiece painting system of the present invention.
Claims (6)
1. Work piece paint spraying system including closed work piece conveyer belt, pendant room, paint spray booth that has the work piece lifting hook, toast the stove, polish the room and get a room, its characterized in that: baking oven includes first baking oven and second baking oven, paint spray booth and finish paint spray booth in paint spray booth includes priming paint spray booth, first well paint spray booth, second, the work piece conveyer belt is in proper order through pendant room, priming paint spray booth, first baking oven, first well paint spray booth, second in paint spray booth, second baking oven, the room of polishing, finish paint spray booth, first baking oven and gets a room, and is closed in the pendant room at last be provided with heating mechanism on first baking oven and the second baking oven, the temperature in first baking oven is less than temperature in the second baking oven.
2. The workpiece painting system of claim 1, wherein: the workpiece conveying belt which enters the first baking furnace through the primer paint spraying chamber is a straight line; the workpiece conveying belt which enters the second baking furnace after passing through a second paint spraying chamber is S-shaped; the workpiece conveying belt which enters the first baking furnace after passing through the finish paint spraying chamber is U-shaped.
3. The workpiece painting system of claim 1, wherein: primer paint spray booth, first well lacquer spray booth, finish paint spray booth, pendant room, the business turn over door that grinds the room and get a room is located the outside of work piece conveyer belt, the business turn over door of second well lacquer spray booth is located the inboard of work piece conveyer belt near the below ground of second well lacquer spray booth is provided with escape passage, escape passage's entry is located the business turn over door department of second well lacquer spray booth, escape passage's export is located the outside of work piece conveyer belt.
4. The workpiece painting system of claim 1, wherein: and a plurality of air outlets with downward and transversely arranged openings are arranged above the inlet and outlet positions of the workpiece conveyer belts of the first baking oven and the second baking oven.
5. The workpiece painting system of claim 1, wherein: the primer paint spraying chamber, the first intermediate paint spraying chamber, the second intermediate paint spraying chamber and the finish paint spraying chamber respectively comprise a personnel standing area, a workpiece paint spraying area and an exhaust gas purification and discharge area, and an air supply raise is arranged above the personnel standing area.
6. Method for painting a workpiece using a workpiece painting system according to claim 1, 2, 3, 4 or 5, characterized in that: the method comprises the following steps:
first, hang the workpiece
Hanging the workpiece on a workpiece lifting hook in a hanging chamber;
second, spraying primer
The suspended workpiece reaches a primer spray booth along with the rotation of the workpiece conveyer belt, and primer is sprayed on the surface of the workpiece in the primer spray booth by a spray mechanism;
thirdly, drying the priming paint in a first baking furnace
The workpiece sprayed with the primer reaches a first baking furnace along with a workpiece conveying belt, the temperature in the first baking furnace is lower than that in a second baking furnace, and the primer is dried in the first baking furnace;
fourthly, spraying the intermediate paint
The workpiece after the primer is dried reaches a first intermediate paint spraying chamber along with the workpiece conveying belt, intermediate paint is sprayed on one side of the workpiece in the first intermediate paint spraying chamber, and then the workpiece enters a second intermediate paint spraying chamber along with the workpiece conveying belt and intermediate paint is sprayed on the other side of the workpiece;
fifthly, drying the primer in a second baking furnace
The workpiece sprayed with the intermediate paint reaches a second baking oven along with the workpiece conveying belt, and the intermediate paint is dried in the second baking oven;
sixthly, polishing the surface of the workpiece
The dried workpiece with the intermediate paint reaches a grinding chamber along with a workpiece conveying belt, and the outer surface of the intermediate paint of the workpiece is ground completely;
seventh, spraying finish paint
The polished workpiece reaches a finish paint spraying chamber along with a workpiece conveying belt, and finish paint is sprayed on the surface of the workpiece;
eighth step, drying the finish paint
The workpiece sprayed with the finish paint reaches a first baking oven along with a workpiece conveying belt, and the finish paint is dried in the first baking oven;
the ninth step, get the piece
And the workpiece with the dried finish paint reaches the workpiece taking chamber along with the workpiece conveying belt, and the workpiece after paint spraying is taken down from the workpiece conveying belt in the workpiece taking chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010995258.5A CN111957493A (en) | 2020-09-21 | 2020-09-21 | Workpiece paint spraying system and method for spraying paint on workpiece by using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010995258.5A CN111957493A (en) | 2020-09-21 | 2020-09-21 | Workpiece paint spraying system and method for spraying paint on workpiece by using same |
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| Publication Number | Publication Date |
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| CN111957493A true CN111957493A (en) | 2020-11-20 |
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| CN202010995258.5A Pending CN111957493A (en) | 2020-09-21 | 2020-09-21 | Workpiece paint spraying system and method for spraying paint on workpiece by using same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114798289A (en) * | 2022-05-24 | 2022-07-29 | 建新赵氏科技股份有限公司 | Spraying method for automobile frameless sealing strip |
| CN114798290A (en) * | 2022-05-24 | 2022-07-29 | 建新赵氏科技股份有限公司 | Spraying system for automobile frameless sealing strip |
| CN114918084A (en) * | 2022-05-24 | 2022-08-19 | 建新赵氏科技股份有限公司 | Automobile frameless sealing strip production line |
-
2020
- 2020-09-21 CN CN202010995258.5A patent/CN111957493A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114798289A (en) * | 2022-05-24 | 2022-07-29 | 建新赵氏科技股份有限公司 | Spraying method for automobile frameless sealing strip |
| CN114798290A (en) * | 2022-05-24 | 2022-07-29 | 建新赵氏科技股份有限公司 | Spraying system for automobile frameless sealing strip |
| CN114918084A (en) * | 2022-05-24 | 2022-08-19 | 建新赵氏科技股份有限公司 | Automobile frameless sealing strip production line |
| CN114798289B (en) * | 2022-05-24 | 2023-08-25 | 建新赵氏科技股份有限公司 | Spraying method for frameless sealing strip of automobile |
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