CN108296149A - A kind of spraying process method of frozen products insulated container - Google Patents

A kind of spraying process method of frozen products insulated container Download PDF

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Publication number
CN108296149A
CN108296149A CN201710253804.6A CN201710253804A CN108296149A CN 108296149 A CN108296149 A CN 108296149A CN 201710253804 A CN201710253804 A CN 201710253804A CN 108296149 A CN108296149 A CN 108296149A
Authority
CN
China
Prior art keywords
spraying
temperature
paint
finish paint
babinet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710253804.6A
Other languages
Chinese (zh)
Inventor
黄国浩
杨维廷
武馨
潘璇
郭翠群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China International Marine Containers Group Co Ltd
Taicang CIMC Reefer Logistics Equipment Co Ltd
Original Assignee
China International Marine Containers Group Co Ltd
Taicang CIMC Reefer Logistics Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China International Marine Containers Group Co Ltd, Taicang CIMC Reefer Logistics Equipment Co Ltd filed Critical China International Marine Containers Group Co Ltd
Priority to CN201710253804.6A priority Critical patent/CN108296149A/en
Publication of CN108296149A publication Critical patent/CN108296149A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50Multilayers
    • B05D7/56Three layers or more
    • B05D7/58No clear coat specified
    • B05D7/582No clear coat specified all layers being cured or baked together
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment 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
    • B05D3/02Pretreatment 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
    • B05D3/0254After-treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2502/00Acrylic polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2503/00Polyurethanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2507/00Polyolefins
    • B05D2507/01Polyethylene

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The present invention provides a kind of spraying process methods, are used for frozen products insulated container.The spraying process method includes the following steps:Step 1, by the surface spraying solvent bottom paint of the babinet of the frozen products insulated container with insulating layer;Step 2, the surface spraying solvent type intermediate coat of the babinet of solvent bottom paint will be then coated with;Step 3, the surface spraying aqueous finish paint of the babinet of solvent type intermediate coat will be then coated with, wherein carry out levelling after aqueous finish paint spraying, dried after levelling, in the drying course of aqueous finish paint, using the temperature control method of gradient increased temperature.The present invention is in the drying course of aqueous finish paint, the rate of drying of aqueous finish paint was both ensure that by using the temperature control method of gradient increased temperature, can make again it is dry after finishing coat surface not depainting, bubble-free, do not crack, realize the spraying that aqueous finish paint is applied to refrigerating box, so as to improve the working environment of finishing coat spraying, frozen products insulated container production efficiency and painting quality are substantially increased.

Description

A kind of spraying process method of frozen products insulated container
Technical field
The present invention relates to frozen products insulated container technical fields, and relate more specifically to a kind of spraying process side of frozen products insulated container Method.
Background technology
The spraying process of the babinet of frozen products insulated container is typically to use solvent bottom paint, solvent type intermediate coat and solvent at present The spraying method of type finishing coat.
Although solvent-based paints have the characteristics that fast volatilization, lacquer painting fast drying, production efficiency are high, due to solvent type Paint thinner is inflammable, explosive, volatile so that is directly polluted to atmospheric environment, destroys living environment, harmful to human is strong Health, operator need to dress special protective garment and can be on duty, operation bad environments.Therefore, water-based paint is replaced into solvent The research of type paint is more and more.
Since the babinet of frozen products insulated container has thicker insulating layer, the response speed of tank surface temperature regulation and control is slower, And water-based paint is stringenter for the regulation and control requirement of temperature, temperature is too low to make rate of drying slower, influence frozen products insulated container life Produce efficiency.Although and temperature is too high improves rate of drying, can lead to depainting, generates phenomena such as bubble and oil paint cracking, shadow Ring frozen products insulated container painting quality.
Therefore, it is necessary to a kind of spraying process methods of frozen products insulated container, to solve to exist in the prior art at least partly The problem of.
Invention content
A series of concept of reduced forms is introduced in Summary, this will in the detailed description section into One step is described in detail.The Summary of the present invention is not meant to attempt to limit technical solution claimed Key feature and essential features do not mean that the protection domain for attempting to determine technical solution claimed more.
According to an aspect of the present invention, in order to overcome the shortcomings of the prior art, the present invention provides a kind of sprayings Process is used for frozen products insulated container.The spraying process method includes the following steps:It step 1, will be described cold with insulating layer Hide the surface spraying solvent bottom paint of the babinet of container;Step 2, the table of the babinet of the solvent bottom paint will be then coated with Face sprays solvent type intermediate coat;Step 3, the aqueous face of surface spraying of the babinet of the solvent type intermediate coat will be then coated with Paint, wherein dried after the aqueous finish paint spraying, in the drying course of the aqueous finish paint, using gradient increased temperature Temperature control method.
According to this programme, in the drying course of aqueous finish paint, both ensure that by using the temperature control method of gradient increased temperature The rate of drying of aqueous finish paint, but can make it is dry after finishing coat surface not depainting, bubble-free, do not crack, realize aqueous face Spraying of the paint applied to refrigerating box substantially increases frozen products insulated container production efficiency so as to improve the working environment of finishing coat spraying And painting quality.
Preferably, in the step 3, the temperature-control range of the drying course of the aqueous finish paint is 35 DEG C~65 DEG C.
Preferably, in the step 3, the gradient increased temperature is divided into multiple temperature control stages, the temperature in the adjacent temperature control stage It is 5~20 DEG C to spend gradient difference, and the temperature range in each temperature control stage is 4 DEG C~6 DEG C.
Preferably, the temperature control time in each temperature control stage is 6~10min.
Preferably, in the step 3, the spray pressure of the aqueous finish paint is 0.3~0.4MPa, the wet coating thickness after spraying Degree is 175 μm~180 μm.
Preferably, in the step 3, the flow time of the levelling process is 4~10min.
Preferably, in the step 3, the drying course includes by the babinet gradient increased temperature after the aqueous finish paint levelling After drying, under usual indoor temperature, Temperature fall.
Preferably, in the step 2, levelling is carried out after the solvent type intermediate coat spraying, is dried after levelling, wherein institute The temperature-control range for stating the drying course of solvent type intermediate coat is 48 DEG C~58 DEG C.
Preferably, in the step 2, after the solvent type intermediate coat is close to or up to the degree of dry to touch, by case Temperature is down to 40 DEG C or less.
According to another aspect of the present invention, a kind of frozen products insulated container is provided, which includes applying above-mentioned skill Babinet prepared by the spraying process method described in any of art scheme, wherein the aqueous finish paint is water soluble acrylic acid face Paint, aqueous polyurethane finishing coat and aqueous ethylene finishing coat it is one or more.
Specific implementation mode
In the following description, a large amount of concrete details are given in order to provide more thorough understanding of the invention.So And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to Implement.In other examples, in order to avoid with the present invention obscure, for some technical characteristics well known in the art not into Row description.
In order to thoroughly understand the present invention, detailed structure will be proposed in following description, to illustrate the present invention.It is aobvious So, execution of the invention is not limited to the specific details that the those skilled in the art are familiar with.The preferable reality of the present invention Example is applied to be described in detail as follows, however other than these detailed descriptions, the present invention can also have other embodiment, should not solve It is interpreted as being confined to embodiments presented herein.
It should be understood that the purpose of term as used herein is only that description specific embodiment and not as the present invention Limitation, " one " of singulative "one" and " described/should " is also intended to include plural form, unless context is expressly noted that separately Outer mode.When the term " comprising " and/or " including " is used in this specification, indicate that there are the feature, entirety, steps Suddenly, operation, element and/or component, but do not preclude the presence or addition of other one or more features, entirety, step, operation, member Part, component and/or combination thereof.Term "upper", "lower", "front", "rear", "left", "right" used in the present invention and Similar statement for illustrative purposes only, not limits.
The cited such as ordinal number of " first " and " second " is only to identify in the present invention, without any other Meaning, such as specific sequence etc..Moreover, for example, term " first component " itself does not imply that the presence of " second component ", art Language " second component " does not imply that the presence of " first component " in itself.
Hereinafter, the preferred embodiment of the present invention will be described in more detail.
In general, the babinet of frozen products insulated container includes chamber door, top plate, side plate and bottom plate substantially, chamber door, top plate, side plate and The respective insulating layer for being internally provided with thickening of bottom plate, the thickness of insulating layer is generally 100~200cm, so that container has Preferable cold storage effect.
The present invention is thin according to the outer plate surface of the babinet of frozen products insulated container, volume is big and structure with thicker insulating layer is special Point provides a kind of spraying process method, to realize that water-based paint is applied to the spraying of frozen products insulated container.
A kind of preferred embodiment according to the invention, the spraying process method generally comprise three steps:To have and protect The surface spraying solvent bottom paint of the babinet of the frozen products insulated container of warm layer, will then be coated with the surface of the babinet of solvent bottom paint Solvent type intermediate coat is sprayed, the surface spraying aqueous finish paint of the babinet of solvent type intermediate coat then will be coated with.
It should be noted that before spraying solvent bottom paint, which has carried out the processing procedures such as sandblasting, so that babinet Any surface finish and with spray painting condition.
The finishing coat of the present invention uses aqueous finish paint, can improve the working environment of finishing coat spraying, ensure the body of operator Body health, avoids the generation of inflammable, explosive, volatile security risk, and can effectively reduce volatile organic matter (VOC) Discharge.Preferably, aqueous finish paint is water-based acrylic acid top-coat without volatile organic matter, aqueous polyurethane finishing coat and aqueous Ethylene finishing coat it is one or more.
Specifically, the spraying process of aqueous finish paint is generally comprised is placed in japanning room by the babinet for being coated with the intermediate coat after drying In finishing coat spray station, carry out the spraying of aqueous finish paint, control spray pressure is 0.3~0.4MPa, the wet coating thickness after spraying Degree is 175 μm~180 μm.Then levelling is carried out after aqueous finish paint being sprayed, and it is 4~10min to control flow time.Then will Babinet after levelling is placed in finishing coat drying chamber, the temperature of drying chamber is arranged to carry out gradient increased temperature, temperature-control range is at 35 DEG C~65 DEG C Between, it is dried with the preset time, until after the volatilization completely of the moisture of aqueous finish paint, completes the drying of aqueous finish paint.
Since babinet has thicker insulating layer, the response speed of tank surface temperature regulation and control is slower, and water-based paint pair Stringenter in the regulation and control requirement of temperature, the present invention is in the drying course of aqueous finish paint, using the temperature control method of gradient increased temperature.This Temperature control method has obvious excellent than temperature control method of traditional directly setting drying room temperature in scheduled temperature-control range Gesture not only ensure that the rate of drying of aqueous finish paint, but can make it is dry after finishing coat surface not depainting, bubble-free, do not crack.
Further, gradient increased temperature is divided into multiple temperature control stages, and the temperature gradient difference in adjacent temperature control stage is 5~20 DEG C. Preferably, which is divided into three temperature control stages, and more suitable temperature range of each temperature control stage is 4 DEG C~6 DEG C, temperature The control time is 6~10min, so that babinet is in temperature-rise period, the moisture of the film formation surface of aqueous finish paint and internal moisture Rate of drying is adapted, and film forming procedure is avoided the bad phenomenons such as stomata, cracking and sagging occur.It is highly preferred that three temperature control ranks The temperature-control range of section is respectively 35 DEG C~40 DEG C, 55 DEG C~60 DEG C and 60 DEG C~65 DEG C.Why first stage and second are controlled The temperature gradient in stage is more than the temperature gradient of second stage and phase III, is because if heating is too when drying process starts Soon, the effect that can influence finishing coat spraying, makes finishing coat some bad phenomenons occur.
Further, it after the spraying process of babinet further includes the babinet gradient increased temperature drying after aqueous finish paint levelling, incites somebody to action The babinet of container removes the indoor station outside finishing coat drying chamber to drying chamber, and under usual indoor temperature, Temperature fall completes packaging The spraying of the babinet of case.
In order to reach the spraying effect of better aqueous finish paint, the present invention is combined using automatic spraying and manual spray Mode carries out, so that the aqueous finish paint after the babinet spraying of container is integrally uniform, no dead angle.Specifically, in aqueous finish paint Automatic spray apparatus of the setting with automatic spray gun at spray station.The nozzle diameter of automatic spray gun and manual spray gun preferably uses 0.38mm~0.44mm.Further, automatic spray gun preferably uses the nozzle of 15 series, automatic spray gun preferably to use 17 or 15 systems The nozzle of row.
Specifically, the spraying process of solvent type intermediate coat of the invention, which generally comprises, will be coated with the case of the priming paint after drying Body is placed in the intermediate coat spray station in japanning room, carries out the spraying of solvent type intermediate coat, and control spray pressure is 0.3~ 0.5MPa, the wet-film thickness after spraying are 80 μm~120 μm.Then levelling, control stream are carried out after solvent type intermediate coat being sprayed It is 6~10min between usually.Then the babinet after levelling is placed in intermediate coat drying chamber, the temperature range of drying chamber is set at 48 DEG C Between~58 DEG C, after solvent type intermediate coat is close to or up to the degree of dry to touch, spin manifold temperature is down to 40 DEG C hereinafter, complete At the drying of solvent type intermediate coat.
It should be noted that spin manifold temperature is by the way that the babinet of container to be removed to the interior outside intermediate coat drying chamber to drying chamber Station, and using the methods of fan blowing, natural air drying so that babinet is cooled to 40 DEG C or less.
Specifically, the spraying process of solvent bottom paint of the invention is to generally comprise the babinet after cleaning sanding to be placed in paint Basecoat paint station in room carries out the spraying of solvent bottom paint, and control spray pressure is 0.3~0.5MPa, wet after spraying Film thickness is 40 μm~60 μm.Then levelling is carried out after solvent bottom paint being sprayed, control flow time is about 3min, is completed molten The drying of dosage form priming paint.
The solvent bottom paint of the present invention is preferably thermal jet yellow zinc chromate primer paint or solvent type zinc rich primer.
In addition, in the above process, it is also necessary to ensure in priming paint, intermediate coat and the respective japanning room of finishing coat, drying chamber is interior and dries The humidity of indoor environment outside room cannot influence the spraying effect of priming paint, intermediate coat and finishing coat.
In this preferred embodiment, traditional spraying method may be used in the spraying of priming paint and intermediate coat, can also spray automatically Apply the mode being combined with manual spray.
Spraying process method provided by the invention apply also for it is other have compared with thick insulation layer or thicker plate material babinets or Tank body, so that water-based paint broadly promotion and application.
Unless otherwise defined, those skilled in the art of technical and scientific term used herein and the present invention Normally understood meaning is identical.Term used herein is intended merely to describe specifically to implement purpose, it is not intended that limitation is originally Invention.The terms such as herein presented " portion ", " part " can both indicate single part, can also indicate multiple parts Combination.The terms such as herein presented " installation ", " setting " can both indicate that a component was attached directly to another portion Part can also indicate that a component is attached to another component by middleware.It describes in one embodiment herein Feature can be applied to another embodiment in combination individually or with other features, unless this feature is in another implementation It is not suitable for or is otherwise noted in mode.
The present invention is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is only intended to The purpose of citing and explanation, and be not intended to limit the invention within the scope of described embodiment.In addition people in the art It is understood that the invention is not limited in above-described embodiment, introduction according to the present invention can also be made more kinds of member Variants and modifications, these variants and modifications are all fallen within scope of the present invention.Protection scope of the present invention by The appended claims and its equivalent scope are defined.

Claims (10)

1. a kind of spraying process method is used for frozen products insulated container, which is characterized in that include the following steps:
Step 1, by the surface spraying solvent bottom paint of the babinet of the frozen products insulated container with insulating layer;
Step 2, the surface spraying solvent type intermediate coat of the babinet of the solvent bottom paint will be then coated with;And
Step 3, the surface spraying aqueous finish paint of the babinet of the solvent type intermediate coat will be then coated with, wherein described aqueous Levelling is carried out after finishing coat spraying, is dried after levelling, in the drying course of the aqueous finish paint, using the temperature control side of gradient increased temperature Formula.
2. spraying process method according to claim 1, which is characterized in that in the step 3, the baking of the aqueous finish paint The temperature-control range of dry process is 35 DEG C~65 DEG C.
3. spraying process method according to claim 1, which is characterized in that in the step 3, the gradient increased temperature is divided into The temperature gradient difference in multiple temperature control stages, the adjacent temperature control stage is 5~20 DEG C, and the temperature difference in each temperature control stage Ranging from 4 DEG C~6 DEG C.
4. spraying process method according to claim 3, which is characterized in that each the temperature control time in the temperature control stage is 6~10min.
5. spraying process method according to claim 1, which is characterized in that in the step 3, the spray of the aqueous finish paint Painting pressure is 0.3~0.4MPa, and the wet-film thickness after spraying is 175 μm~180 μm.
6. spraying process method according to claim 1, which is characterized in that in the step 3, the stream of the levelling process It is 4~10min between usually.
7. spraying process method according to claim 1, which is characterized in that in the step 3, the drying course includes After the babinet gradient increased temperature drying after the aqueous finish paint levelling, under usual indoor temperature, Temperature fall.
8. spraying process method according to claim 1, which is characterized in that in the step 2, the solvent type intermediate coat Levelling is carried out after spraying, is dried after levelling,
Wherein, the temperature-control range of the drying course of the solvent type intermediate coat is 48 DEG C~58 DEG C.
9. spraying process method according to claim 8, which is characterized in that in the step 2, among the solvent type After paint is close to or up to the degree of dry to touch, spin manifold temperature is down to 40 DEG C or less.
10. a kind of frozen products insulated container, which is characterized in that include using the spraying process described in any one of claim 1 to 9 Babinet prepared by method,
Wherein, the aqueous finish paint is one kind or more of water-based acrylic acid top-coat, aqueous polyurethane finishing coat and aqueous ethylene finishing coat Kind.
CN201710253804.6A 2017-04-18 2017-04-18 A kind of spraying process method of frozen products insulated container Pending CN108296149A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710253804.6A CN108296149A (en) 2017-04-18 2017-04-18 A kind of spraying process method of frozen products insulated container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710253804.6A CN108296149A (en) 2017-04-18 2017-04-18 A kind of spraying process method of frozen products insulated container

Publications (1)

Publication Number Publication Date
CN108296149A true CN108296149A (en) 2018-07-20

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Country Status (1)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102091688A (en) * 2009-12-15 2011-06-15 中国国际海运集装箱(集团)股份有限公司 Coating process of container water paint matching system
CN105797929A (en) * 2016-04-07 2016-07-27 太仓吉达喷涂有限公司 Coating method for multifunctional water-based metallized coating
CN105944929A (en) * 2016-06-30 2016-09-21 成都华聚杨武家具有限公司 Coating method of UV paint for furniture
CN105944944A (en) * 2016-06-30 2016-09-21 成都华聚杨武家具有限公司 Spraying method of furniture photocureable coating

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102091688A (en) * 2009-12-15 2011-06-15 中国国际海运集装箱(集团)股份有限公司 Coating process of container water paint matching system
CN105797929A (en) * 2016-04-07 2016-07-27 太仓吉达喷涂有限公司 Coating method for multifunctional water-based metallized coating
CN105944929A (en) * 2016-06-30 2016-09-21 成都华聚杨武家具有限公司 Coating method of UV paint for furniture
CN105944944A (en) * 2016-06-30 2016-09-21 成都华聚杨武家具有限公司 Spraying method of furniture photocureable coating

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
唐述华: "家具用水性涂料的开发与应用(续)", 《家具》 *

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Application publication date: 20180720