CN207793132U - A kind of high surface hardness PCM color painted steel strips - Google Patents
A kind of high surface hardness PCM color painted steel strips Download PDFInfo
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- CN207793132U CN207793132U CN201721572048.5U CN201721572048U CN207793132U CN 207793132 U CN207793132 U CN 207793132U CN 201721572048 U CN201721572048 U CN 201721572048U CN 207793132 U CN207793132 U CN 207793132U
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Abstract
The utility model discloses a kind of high surface hardness PCM color painted steel strips; including substrate; the upper surface of the substrate is coated with coating; and the upper surface of upper coating is coated with topcoat paint layer; the outer surface of the topcoat paint layer is equipped with protective film; the lower surface of the substrate is coated with lower coating, and the low side of lower coating is coated with epoxy back of the body enamelled coating.The utility model the utility model passes through surface preparation by being coated with upper coating and finishing coat dope layer on substrate, painting is coated, it is made through overbaking and cooling, make steel plate that there is lightweight, beauty and good high rigidity performance, it can directly process again, amino resins, epoxy resin and heat fixation acrylic coat reticulate structure in topcoat paint layer, have good hardness and luster performance, good toughness, hardness is big after curable polyester resin.
Description
Technical field
The utility model is related to ornament materials processing technique field more particularly to a kind of high surface hardness PCM coloured coatings
Steel plate.
Background technology
High surface hardness polyester coating is a kind of rapid automatized flow line production mode of use, is coated on continuous metal
On thin plate (thin plate passes through derusting, oil removing, cleaning, passivation and surface treatment before coating), forms a film, reach after hot setting
A kind of professional coating of certain machinery and physical property.Pre-coated coil product after application is widely used in building, household electrical appliances, collection
Each field such as vanning, automobile making, cooker.User is having purchased pre-coated coil product, i.e., after color painted steel strip, can directly add
Work is at variously-shaped.Product need not application again, the production technology of sheet metal parts is enormously simplified, when reducing application
Coating loss, reduce the pollution to environment.Color painted steel strip is of wide application, now largely in field of household appliances
The appearance requirement of middle use, household electrical appliances color steel is high, and paint film T is curved to require 0~1T, and has preferable antiseptic property, while also wanting
The environmental protection instruction for meeting European Union requires.
It is applied to the Coil Coating Products of household electrical appliances currently on the market, in order to meet the requirement of aftershaping and various complicated processing shapes,
Usually excellent performance is required at the curved aspects of T, it is desirable that can reach 0~1T, but such Coil Coating Products, in terms of case hardness
Relatively low, usually F~H, during punch forming, surface and mold contact easily cause surface tear, reduce qualification rate,
It is also faced in later stage household electrical appliances final assembly and is easy to reduce final qualification rate, existing color steel hardness the problem of wiping scuffing
It is low, seriously affect the service life of subsequent product.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose that a kind of high surface hardness PCM color painted steel strips, the utility model pass through on substrate with a novel purpose
It is coated with coating and finishing coat dope layer passes through surface preparation, painting is coated, is made through overbaking and cooling, and steel plate is made to have
Lightweight, beauty and good high rigidity performance, and can directly process, amino resins, epoxy resin and thermosetting in topcoat paint layer
Determine acrylic coat and reticulate structure, there is good hardness and luster performance, good toughness, hardness is big after curable polyester resin.
According to a kind of high surface hardness PCM color painted steel strips of the utility model embodiment, including substrate, the substrate
Upper surface be coated with coating, and the upper surface of upper coating is coated with topcoat paint layer, the outer surface paving of the topcoat paint layer
Equipped with protective film, the lower surface of the substrate is coated with lower coating, and the low side of lower coating is coated with epoxy back of the body enamelled coating.
In other embodiments of the utility model, the upper coating is thermosetting property acrylic coat.
In other embodiments of the utility model, amino resins and epoxy resin are also added in the upper coating,
Amino resins, epoxy resin and heat fixation acrylic coat reticulate structure.
In other embodiments of the utility model, the mass percentage of the ingredient of the topcoat paint dope layer
For：Resin 50~70%, pigment 2~6%, solvent 20~30%, auxiliary agent 2~5%；Wherein, resin is to have polyester resin, pigment
Blue for sulfate and the phenol mountain valley with clumps of trees and bamboo, solvent is dimethylbenzene and aromatic hydrocarbons intermixture, and auxiliary agent is organobentonite.
In other embodiments of the utility model, silica is added in the epoxy back of the body enamelled coating.
A kind of production method of high surface hardness PCM color painted steel strips, is as follows：
S1：Pretreatment, alkali cleaning degreasing, the greasy dirt and impurity of cleaning base plate ensure plate face cleaning, for the later stage work of japanning
Skill makees basis, after degreasing, is cleaned using clear water, ensures that no raffinate is retained；
S2：It dries for the first time, cleaning uses drying oven to carry out drying operation to substrate after finishing, and makees for first time rendering
Prepare；
S3：Rendering applies in the upper surface of substrate and spreads coating, and the thickness of upper coating is 25-45um, in the lower surface of bottom plate
It is coated with lower coating, the thickness of lower coating is 20-35um, by changing the speed of service and the direction of application roll opposing webs, control
Coating layer thickness processed；
S4：Secondary drying after rendering is completed, completes solidification and stoving process, temperature is controlled 160 into drying oven
DEG C -300 DEG C, hardening time 15-30s；
S5：Essence applies, and carries out finishing coat essence painting on upper coating after secondary drying, carries out smearing finishing coat painting by smart painting machine
The bed of material and epoxy carry on the back enamelled coating, and for the thickness control of topcoat paint layer in 15-30um, the thickness that epoxy carries on the back enamelled coating is 10-25um；
S6：Drying, essence are entered in drying oven after applying and are dried again；
S7：Wind cooling temperature lowering, using wind cooling temperature lowering, temperature is controlled at 40 DEG C or less；
S8：Pad pasting after cooling, is embossed pad pasting in the upper surface of topcoat paint layer, pastes layer protecting film；
S9：Wind kink：Ensure the winding of color steel coil of strip edging according to the winding signal of electronic probe, reaches outgoing
It is required that.
Advantageous effect in the utility model：The utility model is passed through by being coated with upper coating and finishing coat dope layer on substrate
Surface preparation is crossed, painting is coated, and is made through overbaking and cooling, and steel plate is made to have lightweight, beauty and good high rigidity
Performance, and can directly process, amino resins, epoxy resin and heat fixation acrylic coat reticulate structure in topcoat paint layer, tool
There are good hardness and a luster performance, good toughness, hardness is big after curable polyester resin, by adding pigment and auxiliary agent, makes coating
Dispersion on surface is uniform, and color is beautiful, good luster, can provide high surface hardness, improves product during entire production and use
Qualification rate, improve product quality, silica is heat-resist, and chemical stability is good and cheap, and brushing performance is good, the phenol mountain valley with clumps of trees and bamboo
Blue stable structure has excellent acidproof, alkaline-resisting, light resistance, and tinting strength, tinting power is fabulous, bright-colored.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 be the utility model proposes structural schematic diagram.
In figure：1 protective film, 2 topcoat paint layers, coating, 4 substrates, 5 times coatings, 6 epoxies carry on the back enamelled coating on 3.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1, embodiment 1
A kind of high surface hardness PCM color painted steel strips, including substrate 4, the upper surface of the substrate 4 are coated with coating
3, and the upper surface of upper coating 3 is coated with topcoat paint layer 2, the outer surface of the topcoat paint layer 2 is equipped with protective film 1, described
The lower surface of substrate 4 is coated with lower coating 5, and the low side of lower coating 5 is coated with epoxy back of the body enamelled coating 6.
The upper coating 3 is thermosetting property acrylic coat, and amino resins and epoxy resin are also added in the upper coating 3,
Amino resins, epoxy resin and heat fixation acrylic coat reticulate structure, the quality hundred of the ingredient of the topcoat paint dope layer
Point content is：Resin 50%, pigment 2%, solvent 20%, auxiliary agent 2%, wherein resin is sulfate to have polyester resin, pigment
Blue with the phenol mountain valley with clumps of trees and bamboo, solvent is dimethylbenzene and aromatic hydrocarbons intermixture, and auxiliary agent is organobentonite, is added in the epoxy back of the body enamelled coating 6
Silica.
A kind of production method of high surface hardness PCM color painted steel strips, is as follows：
S1：Pretreatment, alkali cleaning degreasing, the greasy dirt and impurity of cleaning base plate 4 ensure plate face cleaning, for the later stage of japanning
Technique makees basis, after degreasing, is cleaned using clear water, ensures that no raffinate is retained；
S2：It dries for the first time, cleaning uses drying oven to carry out drying operation to substrate 4 after finishing, and is first time rendering
It prepares；
S3：Rendering applies in the upper surface of substrate 4 and spreads coating 3, and the thickness of upper coating 3 is 25um, in the lower surface of bottom plate
It is coated with lower coating 5, the thickness of lower coating 5 is 20um, by changing the speed of service and the direction of application roll opposing webs, control
Coating layer thickness；
S4：Secondary drying after rendering is completed, completes solidification and stoving process, temperature is controlled 160 into drying oven
DEG C, hardening time 15s；
S5：Essence applies, and carries out finishing coat essence painting on upper coating 3 after secondary drying, smearing finishing coat is carried out by smart painting machine
Dope layer 2 and epoxy carry on the back enamelled coating 6, and for the thickness control of topcoat paint layer 2 in 15um, the thickness that epoxy carries on the back enamelled coating 6 is 10um；
S6：Drying, essence are entered in drying oven after applying and are dried again；
S7：Wind cooling temperature lowering, using wind cooling temperature lowering, temperature is controlled at 40 DEG C or less；
S8：Pad pasting after cooling, is embossed pad pasting in the upper surface of topcoat paint layer 2, pastes layer protecting film 1；
S9：Wind kink：Ensure the winding of color steel coil of strip edging according to the winding signal of electronic probe, reaches outgoing
It is required that.
Embodiment 2
A kind of high surface hardness PCM color painted steel strips, including substrate 4, the upper surface of the substrate 4 are coated with coating
3, and the upper surface of upper coating 3 is coated with topcoat paint layer 2, the outer surface of the topcoat paint layer 2 is equipped with protective film 1, described
The lower surface of substrate 4 is coated with lower coating 5, and the low side of lower coating 5 is coated with epoxy back of the body enamelled coating 6.
Method and step is with embodiment 1, different technological parameters：
Resin 70%, pigment 6%, solvent 30%, auxiliary agent 5%.
The thickness of upper coating 3 is 45um, and the thickness of lower coating 5 is 35um.
The control of secondary drying temperature is at 300 DEG C, hardening time 30s.
For the thickness control of topcoat paint layer 2 in 30um, the thickness that epoxy carries on the back enamelled coating 6 is 25um.
Embodiment 3
A kind of high surface hardness PCM color painted steel strips, including substrate 4, the upper surface of the substrate 4 are coated with coating
3, and the upper surface of upper coating 3 is coated with topcoat paint layer 2, the outer surface of the topcoat paint layer 2 is equipped with protective film 1, described
The lower surface of substrate 4 is coated with lower coating 5, and the low side of lower coating 5 is coated with epoxy back of the body enamelled coating 6.
Method and step is with embodiment 1, different technological parameters：
Resin 60%, pigment 4%, solvent 25%, auxiliary agent 3.5%.
The thickness of upper coating 3 is 35um, and the thickness of lower coating 5 is 30um.
The control of secondary drying temperature is at 200 DEG C, hardening time 25s.
For the thickness control of topcoat paint layer 2 in 25um, the thickness that epoxy carries on the back enamelled coating 6 is 20um.
Embodiment 4
A kind of high surface hardness PCM color painted steel strips, including substrate 4, the upper surface of the substrate 4 are coated with coating
3, and the upper surface of upper coating 3 is coated with topcoat paint layer 2, the outer surface of the topcoat paint layer 2 is equipped with protective film 1, described
The lower surface of substrate 4 is coated with lower coating 5, and the low side of lower coating 5 is coated with epoxy back of the body enamelled coating 6.
Method and step is with embodiment 1, different technological parameters：
Resin 65%, pigment 4.5%, solvent 22%, auxiliary agent 4%.
The thickness of upper coating 3 is 30um, and the thickness of lower coating 5 is 25um.
The control of secondary drying temperature is at 250 DEG C, hardening time 20s.
For the thickness control of topcoat paint layer 2 in 20um, the thickness that epoxy carries on the back enamelled coating 6 is 15um.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiments or example.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of high surface hardness PCM color painted steel strips, it is characterised in that：
Including substrate, the upper surface of the substrate is coated with coating, and the upper surface of upper coating is coated with topcoat paint layer, described
The outer surface of topcoat paint layer is equipped with protective film, and the lower surface of the substrate is coated with lower coating, and the low side of lower coating is coated with
Epoxy carries on the back enamelled coating.
2. a kind of high surface hardness PCM color painted steel strips according to claim 1, it is characterised in that：The upper coating
For thermosetting property acrylic coat.
3. a kind of high surface hardness PCM color painted steel strips according to claim 2, it is characterised in that：The upper coating
In also be added with amino resins and epoxy resin, amino resins, epoxy resin and heat fixation acrylic coat reticulate structure.
4. a kind of high surface hardness PCM color painted steel strips according to claim 1, it is characterised in that：The epoxy back of the body
Silica is added in enamelled coating.
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|---|---|---|---|
| CN201721572048.5U CN207793132U (en) | 2017-11-22 | 2017-11-22 | A kind of high surface hardness PCM color painted steel strips |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721572048.5U CN207793132U (en) | 2017-11-22 | 2017-11-22 | A kind of high surface hardness PCM color painted steel strips |
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| CN207793132U true CN207793132U (en) | 2018-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107779008A (en) * | 2017-11-22 | 2018-03-09 | 苏州兴禾源复合材料有限公司 | A kind of high surface hardness PCM color painted steel strips |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107779008A (en) * | 2017-11-22 | 2018-03-09 | 苏州兴禾源复合材料有限公司 | A kind of high surface hardness PCM color painted steel strips |
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