CN106738580A - The processing method and foaming plate of foaming plate - Google Patents
The processing method and foaming plate of foaming plate Download PDFInfo
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- CN106738580A CN106738580A CN201710047710.3A CN201710047710A CN106738580A CN 106738580 A CN106738580 A CN 106738580A CN 201710047710 A CN201710047710 A CN 201710047710A CN 106738580 A CN106738580 A CN 106738580A
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- heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
- B29C44/06—Making multilayered articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/08—Parts formed wholly or mainly of plastics materials
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- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides the processing method and foaming plate of a kind of foaming plate.Wherein, the processing method of foaming plate, including：Foaming agent is added in the first plastic basis material, micro-foaming material is formed after uniform mixing, micro-foaming material is by after drying, heating, extrusion molding, forming fretting map layer；After second plastic basis material drying, heating and extrusion molding, surface layer is formed；After 3rd plastic basis material drying, heating and extrusion molding, bottom is formed；Surface layer, fretting map layer and bottom form foaming plate by pressing plate, or surface layer and fretting map layer form foaming plate by pressing plate；Wherein, foaming agent is pulvis foaming agent or master batch foaming agent.The processing method of the foaming plate that the present invention is provided causes that the foaming plate being produced from it has relatively low thermal conductivity factor, preferable noise reduction, the weight of foaming plate is greatly reduced, the heat insulation effect of foaming plate is improved, is reduced and is used the energy consumption of product.
Description
Technical field
The present invention relates to board technology field, in particular to the processing method and foaming plate of a kind of foaming plate.
Background technology
Refrigerator is widely used in the middle of daily life as a kind of cryopreservation equipment, wherein, refrigerator it is interior
Courage depends primarily on the heat conductivility of liner material, how effectively to lift inner bag as the main device being incubated, its heat-insulating property
Heat-insulating property, reduce the weight of inner bag thermal conductivity factor and inner bag, reduce production cost, a problem as refrigerator industry.
In correlation technique, liner material mainly uses ABS or HIPS, is combined by individual layer or multi-layer co-extruded mode, but its
Exist：Noise is big, inner bag thermal conductivity factor high, big inner bag weight and the shortcomings of production cost high.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the present invention to propose a kind of processing method of foaming plate.
It is another object of the present invention to propose a kind of foaming plate.
In view of this, an a kind of purpose of the invention, it is proposed that processing method of foaming plate, including：Will hair
Infusion is added in the first plastic basis material, and micro-foaming material is formed after uniform mixing, and micro-foaming material is by drying, heating, squeeze
After modeling, fretting map layer is formed；After second plastic basis material drying, heating and extrusion molding, surface layer is formed；3rd plastic basis material is through drying
After dry, heating and extrusion molding, bottom is formed；Surface layer, fretting map layer and bottom form foaming plate by pressing plate, or surface layer and micro-
Foaming layer forms foaming plate by pressing plate；Wherein, foaming agent is pulvis foaming agent or master batch foaming agent.
A kind of processing method of foaming plate that the present invention is provided, first is added to by pulvis foaming agent or master batch foaming agent
In plastic basis material, it is sent in barrel through blower fan, is dried in barrel after uniform mixing, by the single screw rod that draw ratio is 15 to 25
Or after twin-screw heating, then fretting map layer is obtained by the shaping of head extrusion molding, the thermal conductivity factor of fretting map layer is low, heat insulation effect
It is good, reduce the weight of fretting map layer；Further, the second plastic basis material is sent in barrel through blower fan, after being dried in barrel,
By after single screw rod that draw ratio is 15 to 25 or twin-screw heating, then surface layer is obtained by the shaping of head extrusion molding；Further,
Three plastic basis materials are sent in barrel through blower fan, after drying in the barrel, by single screw rod that draw ratio is 18 to 30 or twin-screw
After heating, then bottom is obtained by the shaping of head extrusion molding；Further, surface layer, fretting map layer and bottom are completed by same mouth mold
Sheet material section is controlled, and foaming plate is formed by devices such as wheel hubs, or surface layer and fretting map layer complete sheet material by same mouth mold
Section is controlled, and foaming plate is formed by devices such as wheel hubs, and the thermal conductivity factor of the foaming plate is low, with preferable noise reduction effect
Really, the weight of foaming plate is greatly reduced, the heat insulation effect of foaming plate is improved, is reduced using the energy consumption of product, carried
The performance and Consumer's Experience of product are risen.
According to the processing method of the above-mentioned foaming plate of the present invention, there can also be following additional technical feature：
In the above-mentioned technical solutions, it is preferable that the weight of pulvis foaming agent accounts for the ratio of the weight of the first plastic basis material
Span is 1 ‰ to 6 ‰；Or the weight of master batch foaming agent accounts for the span of the ratio of the weight of the first plastic basis material and is
1% to 10%.
In the technical scheme, the span that the weight of pulvis foaming agent accounts for the ratio of the weight of the first plastic basis material is
1 ‰ to 6 ‰；Or it is 1% to 10% that the weight of master batch foaming agent accounts for the span of the ratio of the weight of the first plastic basis material, will
Pulvis foaming agent or master batch foaming agent are added in the first plastic basis material, complete by plasticizing, reaction, dispersion and foaming Four processes
Into foaming.With the presence of bubble in the fretting map layer of formation, the thermal conductivity factor and weight of sheet material are reduced, improve heat insulation effect.
In any of the above-described technical scheme, it is preferable that the span of the drying temperature of the second plastic basis material be 80 DEG C extremely
40℃；The span of the drying time of the second plastic basis material is 1h to 2h.
In the technical scheme, the second plastic basis material is dried in barrel, and the span of drying temperature is 80 DEG C to 40
DEG C, the span of drying time is 1h to 2h, the moisture in it is eliminated by the second plastic basis material dried, for lower road adds
Thermal technology's sequence provides dry raw material, is easy to the shaping of follow-up surface layer.
In any of the above-described technical scheme, it is preferable that micro-foaming material or the second plastic basis material or the 3rd plastic basis material
The step of heating, includes：S402, charging heating；S404, compression heating；S406, melting heating；S408, discharging heating.
In the technical scheme, heater is completed by charging heating, compression heating, melting heating and discharging heating
Sequence, for lower road extrusion molding operation provides the basic material for being satisfied with production technology, is easy to material post forming.
In any of the above-described technical scheme, it is preferable that the span of the charging heating-up temperature of micro-foaming material is 60 DEG C
To 110 DEG C；The span of the compression heating-up temperature of micro-foaming material is 160 DEG C to 190 DEG C；The melting heating of micro-foaming material
The span of temperature is 180 DEG C to 220 DEG C；The span of the discharging heating-up temperature of micro-foaming material is 170 DEG C to 220
℃。
In the technical scheme, micro-foaming material is by charging heating, span that span is 60 DEG C to 110 DEG C
For 160 DEG C to 190 DEG C of compression heating, the melting heating that span is 180 DEG C to 220 DEG C and span be 170 DEG C extremely
220 DEG C of discharging heating, for lower road extrusion molding operation provides the basic material for meeting production technology, is easy to material post forming.
Meanwhile, temperature span meets manufacturing technique requirent, and energy consumption is reduced to greatest extent.
In any of the above-described technical scheme, it is preferable that the span of the charging heating-up temperature of the second plastic basis material is 60
DEG C to 100 DEG C；The span of the compression heating-up temperature of the second plastic basis material is 160 DEG C to 190 DEG C；Second plastic basis material it is molten
The span for melting heating-up temperature is 190 DEG C to 220 DEG C；The span of the discharging heating-up temperature of the second plastic basis material is 180
DEG C to 220 DEG C.
In the technical scheme, the second plastic basis material is by charging heating, value model that span is 60 DEG C to 100 DEG C
The compression enclosed for 160 DEG C to 190 DEG C is heated, the melting heating that span is 190 DEG C to 220 DEG C and span are 180 DEG C
To 220 DEG C dischargings heat, for lower road extrusion molding operation provides the basic material for meeting production technology, be easy to material subsequently into
Shape.Meanwhile, temperature span meets manufacturing technique requirent, and energy consumption is reduced to greatest extent.
In any of the above-described technical scheme, it is preferable that the span of the charging heating-up temperature of the 3rd plastic basis material is 60
DEG C to 110 DEG C；The span of the compression heating-up temperature of the 3rd plastic basis material is 150 DEG C to 180 DEG C；3rd plastic basis material it is molten
The span for melting heating-up temperature is 170 DEG C to 220 DEG C；The span of the discharging heating-up temperature of the 3rd plastic basis material is 180
DEG C to 210 DEG C.
In the technical scheme, the 3rd plastic basis material is by charging heating, value model that span is 60 DEG C to 110 DEG C
The compression enclosed for 150 DEG C to 180 DEG C is heated, the melting heating that span is 170 DEG C to 220 DEG C and span are 180 DEG C
To 210 DEG C dischargings heat, for lower road extrusion molding operation provides the basic material for meeting production technology, be easy to material subsequently into
Shape.Meanwhile, these temperature spans meet manufacturing technique requirent, and energy consumption is reduced to greatest extent.
In any of the above-described technical scheme, it is preferable that the span of the heating-up temperature of pressing plate is 160 DEG C to 200 DEG C.
In the technical scheme, the heating-up temperature span of pressing plate is 160 DEG C to 200 DEG C, is made complete between each combination layer
Full shaping, bond strength is high, it is ensured that form the intensity of foaming plate.Meanwhile, the temperature is that each layer shapes and meets technique
And the optimum temperature of intensity requirement, the maximum temperature limit reduces energy consumption and production cost, improves Consumer's Experience.
A kind of another purpose of the invention, it is also proposed that foaming plate, for refrigerator, including：Surface layer；Fretting map
Layer, the side of fretting map layer is covered on surface layer；Fretting map layer is the first plastic basis material and pulvis foaming agent or master batch foaming agent
Fretting map layer.
A kind of foaming plate that the present invention is provided includes：Surface layer and fretting map layer.By will with the first plastic basis material and
The side of the fretting map layer of pulvis foaming agent or master batch foaming agent is covered on surface layer so that the foaming plate has relatively low heat conduction
Coefficient, lighter weight, preferable noise reduction and good heat insulation effect, this improves the operating efficiency of refrigerator, reduce
Energy consumption, improves the performance and Consumer's Experience of product.
In the above-mentioned technical solutions, it is preferable that foaming plate also includes：Bottom, the opposite side of fretting map layer is covered on bottom
Layer.
In the technical scheme, foaming plate includes：Surface layer, fretting map layer and bottom.By will be with the first plastics base
The side of the fretting map layer of material and pulvis foaming agent or master batch foaming agent is covered on surface layer, and the opposite side of fretting map layer is covered on bottom
Layer so that the foaming plate has relatively low thermal conductivity factor, and lighter weight, preferable noise reduction improves foaming plate
Heat insulation effect, reduce energy consumption, improve the operating efficiency of refrigerator, and then improve the performance and user's body of product
Test.
In any of the above-described technical scheme, it is preferable that the span that surface thickness accounts for the ratio of foaming plate thickness is
5% to 20%；The span that fretting map thickness degree accounts for the ratio of foaming plate thickness is 80% to 95%.
In the technical scheme, the span that surface thickness accounts for the ratio of foaming plate thickness is 5% to 20%；Micro- hair
The span that alveolar layer thickness accounts for the ratio of foaming plate thickness is 80% to 95%, meets manufacturing technique requirent so that hair
Bubble sheet material has a relatively low thermal conductivity factor, preferable noise reduction, less weight, optimal heat insulation effect, to greatest extent
Reduce energy consumption.
In any of the above-described technical scheme, it is preferable that the span of surface thickness is 0.2mm to 1mm；Fretting map thickness
The span of degree is 1mm to 4mm.
In the technical scheme, the span of surface thickness is 0.2mm to 1mm；The span of fretting map thickness degree
It is 1mm to 4mm, meets manufacturing technique requirent so that foaming plate has a relatively low thermal conductivity factor, preferable noise reduction,
Less weight, optimal heat insulation effect, reduces energy consumption to greatest extent.
In any of the above-described technical scheme, it is preferable that the span that surface thickness accounts for the ratio of foaming plate thickness is
3% to 10%；The span that fretting map thickness degree accounts for the ratio of foaming plate thickness is 70% to 92%；Underlayer thickness accounts for hair
The span of the ratio of foam material thickness is 5%-20%.
In the technical scheme, the span that surface thickness accounts for the ratio of foaming plate thickness is 3% to 10%；Micro- hair
The span that alveolar layer thickness accounts for the ratio of foaming plate thickness is 70% to 92%；Underlayer thickness accounts for the ratio of expanded material thickness
The span of example is 5%-20%, meets manufacturing technique requirent so that foaming plate has relatively low thermal conductivity factor, preferably
Noise reduction, less weight, optimal heat insulation effect reduces energy consumption to greatest extent.
In any of the above-described technical scheme, it is preferable that the span of surface thickness is 0.1mm to 0.5mm；Fretting map layer
The span of thickness is 1mm to 4mm；The span of underlayer thickness is 0.2mm to 0.5mm.
In the technical scheme, the span of surface thickness is 0.1mm to 0.5mm；The value model of fretting map thickness degree
Enclose for 1mm to 4mm；The span of underlayer thickness is 0.2mm to 0.5mm, meets manufacturing technique requirent so that foaming plate
With relatively low thermal conductivity factor, preferable noise reduction, less weight, optimal heat insulation effect is reduced to greatest extent
Energy consumption.
In any of the above-described technical scheme, it is preferable that bottom is acrylonitrile-butadiene-styrene copolymer bottom or poly-
Propylene bottom or polyvinyl chloride bottom.
In the technical scheme, bottom is acrylonitrile-butadiene-styrene copolymer bottom or polypropylene backing layer or polychlorostyrene
Ethene bottom so that bottom has good impact resistance, heat resistance, lower temperature resistance, chemical proofing and electric property, together
When, the material is common, low production cost.
In any of the above-described technical scheme, it is preferable that the first plastic basis material is acrylonitrile-butadiene-styrene copolymer
Base material.
In the technical scheme, acrylonitrile-butadiene-styrene copolymer base material has good impact resistance, heat-resisting
Property, lower temperature resistance, chemical proofing and electric property, meanwhile, the material is common, low production cost.
In any of the above-described technical scheme, it is preferable that foaming agent is inorganic foaming agent.
In the technical scheme, inorganic foaming agent has the advantages that safety, decomposition heat absorption, nucleating effect are good.
In any of the above-described technical scheme, it is preferable that surface layer is acrylonitrile-butadiene-styrene copolymer surface layer.
In the technical scheme, acrylonitrile-butadiene-styrene copolymer surface layer has good impact resistance, heat-resisting
Property, lower temperature resistance, chemical proofing and electric property, meanwhile, the material is common, low production cost.
In any of the above-described technical scheme, it is preferable that surface layer is extrusion level acrylonitrile-butadiene-styrene copolymer face
Layer or modified acrylonitrile-butadiene-styrene copolymer surface layer.
In the technical scheme, level acrylonitrile-butadiene-styrene copolymer surface layer or modified propylene nitrile-fourth two are extruded
Alkene-styrol copolymer surface layer has the advantages that the electrical property that impact strength is high, chemical stability is good and good.
Additional aspect of the invention and advantage will become obvious in following description section, or by practice of the invention
Recognize.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic flow diagram of one embodiment of the invention；
Fig. 2 is the sectional view of the foaming plate of one embodiment of the invention；
Fig. 3 is the sectional view of the foaming plate of another embodiment of the present invention.
Wherein, the corresponding relation in Fig. 2 and Fig. 3 between reference and component names is：
1 foaming plate, 10 surface layers, 20 fretting maps layer, 30 bottoms.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Processing method and the foaming of foaming plate 1 described according to some embodiments of the invention are described referring to Fig. 1 to Fig. 3
Sheet material 1.
As shown in figure 1, the processing method that the embodiment of first aspect present invention proposes a kind of foaming plate 1, including：Will
Foaming agent is added in the first plastic basis material, and micro-foaming material is formed after uniform mixing, micro-foaming material passes through dries, heats,
After extrusion molding, fretting map layer 20 is formed；After second plastic basis material drying, heating and extrusion molding, surface layer 10 is formed；3rd plastic basis material
After drying, heating and extrusion molding, bottom 30 is formed；Surface layer 10, fretting map layer 20 and bottom 30 form foaming plate by pressing plate
1, or surface layer 10 and fretting map layer 20 are by pressing plate, formation foaming plate 1；Wherein, foaming agent is that pulvis foaming agent or master batch are sent out
Infusion.
A kind of processing method of foaming plate 1 that the present invention is provided, the is added to by pulvis foaming agent or master batch foaming agent
In one plastic basis material, it is sent in barrel through blower fan, is dried in barrel after uniform mixing, by single spiral shell that draw ratio is 15 to 25
After bar or twin-screw heating, then fretting map layer 20 is obtained by the shaping of head extrusion molding, the thermal conductivity factor of fretting map layer 20 is low, insulation
Effect is good, reduces the weight of fretting map layer 20；Further, the second plastic basis material is sent in barrel through blower fan, in barrel
After drying, by after single screw rod that draw ratio is 15 to 25 or twin-screw heating, then surface layer 10 is obtained by the shaping of head extrusion molding；Enter
One step ground, the 3rd plastic basis material is sent in barrel through blower fan, after being dried in barrel, by the single screw rod that draw ratio is 18 to 30
Or after twin-screw heating, then bottom 30 is obtained by the shaping of head extrusion molding；Further, surface layer 10, fretting map layer 20 and bottom 30
Sheet material section is completed by same mouth mold to control, foaming plate 1, or surface layer 10 and fretting map layer 20 are formed by devices such as wheel hubs
Sheet material section is completed by same mouth mold to control, foaming plate 1, the heat conduction system of the foaming plate 1 are formed by devices such as wheel hubs
Number is low, with preferable noise reduction, greatly reduces the weight of foaming plate 1, improves the heat insulation effect of foaming plate 1,
Reduce using the energy consumption of product, improve the performance and Consumer's Experience of product.
In one embodiment of the invention, it is preferable that the weight of pulvis foaming agent accounts for the weight of the first plastic basis material
The span of ratio is 1 ‰ to 6 ‰；Or the weight of master batch foaming agent accounts for the value model of the ratio of the weight of the first plastic basis material
Enclose for 1% to 10%.
In this embodiment, the span that the weight of pulvis foaming agent accounts for the ratio of the weight of the first plastic basis material is
1 ‰ to 6 ‰；Or it is 1% to 10% that the weight of master batch foaming agent accounts for the span of the ratio of the weight of the first plastic basis material, will
Pulvis foaming agent or master batch foaming agent are added in the first plastic basis material, complete by plasticizing, reaction, dispersion and foaming Four processes
Into foaming.With the presence of bubble in the fretting map layer 20 of formation, the thermal conductivity factor and weight of sheet material are reduced, improve insulation effect
Really.
In one embodiment of the invention, it is preferable that the span of the drying temperature of the second plastic basis material is 80 DEG C
To 40 DEG C；The span of the drying time of the second plastic basis material is 1h to 2h.
In this embodiment, the second plastic basis material is dried in barrel, and the span of drying temperature is 80 DEG C to 40 DEG C,
The span of drying time is 1h to 2h, and the moisture in it is eliminated by the second plastic basis material dried, for lower road is heated
Operation provides dry raw material, is easy to the shaping of follow-up surface layer 10.Specific drying temperature is 60 DEG C.
In one embodiment of the invention, it is preferable that micro-foaming material or the second plastic basis material or the 3rd plastic basis material
Heating the step of include：S402, charging heating；S404, compression heating；S406, melting heating；S408, discharging heating.
In this embodiment, heating process is completed by charging heating, compression heating, melting heating and discharging heating,
For lower road extrusion molding operation provides the basic material for being satisfied with production technology, it is easy to material post forming.
In one embodiment of the invention, it is preferable that the span of the charging heating-up temperature of micro-foaming material is 60
DEG C to 110 DEG C；The span of the compression heating-up temperature of micro-foaming material is 160 DEG C to 190 DEG C；The melting of micro-foaming material adds
The span of hot temperature is 180 DEG C to 220 DEG C；The span of the discharging heating-up temperature of micro-foaming material is 170 DEG C to 220
℃。
In this embodiment, micro-foaming material is by charging heating that span is 60 DEG C to 110 DEG C, span
160 DEG C to 190 DEG C of compression is heated, the melting heating that span is 180 DEG C to 220 DEG C and span are 170 DEG C to 220
DEG C discharging heating, for lower road extrusion molding operation provides the basic material for meeting production technology, be easy to material post forming.Together
When, these temperature spans meet manufacturing technique requirent, and energy consumption is reduced to greatest extent.
In one embodiment of the invention, it is preferable that the span of the charging heating-up temperature of the second plastic basis material is
60 DEG C to 100 DEG C；The span of the compression heating-up temperature of the second plastic basis material is 160 DEG C to 190 DEG C；Second plastic basis material
The span for melting heating-up temperature is 190 DEG C to 220 DEG C；The span of the discharging heating-up temperature of the second plastic basis material is
180 DEG C to 220 DEG C.
In this embodiment, the second plastic basis material is by charging heating, span that span is 60 DEG C to 100 DEG C
For 160 DEG C to 190 DEG C of compression heating, the melting heating that span is 190 DEG C to 220 DEG C and span be 180 DEG C extremely
220 DEG C of discharging heating, for lower road extrusion molding operation provides the basic material for meeting production technology, is easy to material post forming.
Meanwhile, these temperature spans meet manufacturing technique requirent, and energy consumption is reduced to greatest extent.
In one embodiment of the invention, it is preferable that the span of the charging heating-up temperature of the 3rd plastic basis material is
60 DEG C to 110 DEG C；The span of the compression heating-up temperature of the 3rd plastic basis material is 150 DEG C to 180 DEG C；3rd plastic basis material
The span for melting heating-up temperature is 170 DEG C to 220 DEG C；The span of the discharging heating-up temperature of the 3rd plastic basis material is
180 DEG C to 210 DEG C.
In this embodiment, the 3rd plastic basis material is by charging heating, span that span is 60 DEG C to 110 DEG C
For 150 DEG C to 180 DEG C of compression heating, the melting heating that span is 170 DEG C to 220 DEG C and span be 180 DEG C extremely
210 DEG C of discharging heating, for lower road extrusion molding operation provides the basic material for meeting production technology, is easy to material post forming.
Meanwhile, temperature span meets manufacturing technique requirent, and energy consumption is reduced to greatest extent.
In one embodiment of the invention, it is preferable that the span of the heating-up temperature of pressing plate is 160 DEG C to 200 DEG C.
In this embodiment, the heating-up temperature span of pressing plate is 160 DEG C to 200 DEG C, is made between each combination layer completely
Shaping, bond strength is high, it is ensured that form the intensity of foaming plate 1.Meanwhile, the temperature be each layer shape and meet technique and
The optimum temperature of intensity requirement, the maximum temperature limit reduces energy consumption and production cost, improves Consumer's Experience.
In specific embodiment, fretting map layer 20 will close vacuum extractor in extrusion process, and keep netting preceding pressure
Stabilization.
In specific embodiment, foaming agent is by resolving into the gases such as carbon dioxide, nitrogen after heating so that the foaming of shaping
With the presence of bubble in sheet material 1 so that foaming plate 1 have relatively low thermal conductivity factor, preferable noise reduction, less weight,
Optimal heat insulation effect, reduces energy consumption to greatest extent.
In specific embodiment, as shown in figure 1, comprising the following steps that for the processing method of foaming plate is shown：
Step S102, foaming agent is added in the first plastic basis material, and micro-foaming material, fretting map are formed after uniform mixing
Material is by after drying, heating, extrusion molding, forming fretting map layer 20；After second plastic basis material drying, heating and extrusion molding, formed
Surface layer 10；After 3rd plastic basis material drying, heating and extrusion molding, bottom 30 is formed；
Step S104, surface layer 10, fretting map layer 20 and bottom 30 form foaming plate 1 by pressing plate, or surface layer 10 and micro-
Foaming layer 20 forms foaming plate 1 by pressing plate；And then tenth skill.
As shown in Fig. 2 the embodiment of second aspect present invention proposes a kind of foaming plate 1, for refrigerator, including：Face
Layer 10；Fretting map layer 20, the side of fretting map layer 20 is covered on surface layer 10；Fretting map layer 20 is that the first plastic basis material and pulvis are sent out
The fretting map layer 20 of infusion or master batch foaming agent.
A kind of foaming plate 1 that the present invention is provided includes：Surface layer 10 and fretting map layer 20.By will be with the first plastics base
The side of the fretting map layer 20 of material and pulvis foaming agent or master batch foaming agent is covered on surface layer 10 so that the foaming plate 1 has
Relatively low thermal conductivity factor, lighter weight, preferable noise reduction and good heat insulation effect, this improves the work of refrigerator
Make efficiency, reduce energy consumption, improve the performance and Consumer's Experience of product.
In one embodiment of the invention, it is preferable that as shown in figure 3, foaming plate 1 also includes：Bottom 30, fretting map
The opposite side of layer 20 is covered on bottom 30.
In this embodiment, foaming plate 1 includes：Surface layer 10, fretting map layer 20 and bottom 30.By that will be moulded with first
The side of the fretting map layer 20 of material base material and pulvis foaming agent or master batch foaming agent is covered on surface layer 10, fretting map layer 20 it is another
Side is covered on bottom 30 so that the foaming plate 1 has relatively low thermal conductivity factor, and lighter weight, preferable noise reduction is carried
The heat insulation effect of foaming plate 1 is risen, energy consumption has been reduced, the operating efficiency of refrigerator has been improve, and then has improved the use of product
Performance and Consumer's Experience.
In one embodiment of the invention, it is preferable that the thickness of surface layer 10 accounts for the value model of the ratio of the thickness of foaming plate 1
Enclose for 5% to 20%；The span of the ratio that fretting map 20 thickness of layer account for the thickness of foaming plate 1 is 80% to 95%.
In this embodiment, the span that the thickness of surface layer 10 accounts for the ratio of the thickness of foaming plate 1 is 5% to 20%；It is micro-
The span that the thickness of foaming layer 20 accounts for the ratio of the thickness of foaming plate 1 is 80% to 95%, meets manufacturing technique requirent, is made
Obtaining foaming plate 1 has relatively low thermal conductivity factor, preferable noise reduction, less weight, optimal heat insulation effect, maximum limit
That spends reduces energy consumption.
In one embodiment of the invention, it is preferable that the span of the thickness of surface layer 10 is 0.2mm to 1mm；Fretting map
The span of 20 thickness of layer is 1mm to 4mm.
In this embodiment, the span of the thickness of surface layer 10 is 0.2mm to 1mm；The value model of fretting map 20 thickness of layer
It is 1mm to 4mm to enclose, and meets manufacturing technique requirent so that foaming plate 1 has relatively low thermal conductivity factor, preferable noise reduction effect
Really, less weight, optimal heat insulation effect reduces energy consumption to greatest extent.
In one embodiment of the invention, it is preferable that the thickness of surface layer 10 accounts for the value model of the ratio of the thickness of foaming plate 1
Enclose for 3% to 10%；The span of the ratio that fretting map 20 thickness of layer account for the thickness of foaming plate 1 is 70% to 92%；Bottom
The span that 30 thickness account for the ratio of expanded material thickness is 5%-20%.
In this embodiment, the span that the thickness of surface layer 10 accounts for the ratio of the thickness of foaming plate 1 is 3% to 10%；It is micro-
The span that the thickness of foaming layer 20 accounts for the ratio of the thickness of foaming plate 1 is 70% to 92%；The thickness of bottom 30 accounts for expanded material
The span of the ratio of thickness is 5%-20%, meets manufacturing technique requirent so that foaming plate 1 has relatively low heat conduction
Coefficient, preferable noise reduction, less weight, optimal heat insulation effect reduces energy consumption to greatest extent.
In one embodiment of the invention, it is preferable that the span of the thickness of surface layer 10 is 0.1mm to 0.5mm；Micro- hair
The span of the thickness of alveolar layer 20 is 1mm to 4mm；The span of the thickness of bottom 30 is 0.2mm to 0.5mm.
In the technical scheme, the span of the thickness of surface layer 10 is 0.1mm to 0.5mm；Fretting map 20 thickness of layer take
Value scope is 1mm to 4mm；The span of the thickness of bottom 30 is 0.2mm to 0.5mm, meets manufacturing technique requirent so that hair
Bubble sheet material 1 have relatively low thermal conductivity factor, preferable noise reduction, less weight, optimal heat insulation effect, to greatest extent
Reduce energy consumption.
In one embodiment of the invention, it is preferable that bottom 30 is acrylonitrile-butadiene-styrene copolymer bottom
30 or polypropylene backing layer 30 or polyvinyl chloride bottom 30.
In the technical scheme, bottom 30 is acrylonitrile-butadiene-styrene copolymer bottom 30 or polypropylene backing layer 30
Or polyvinyl chloride bottom 30 so that bottom 30 have good impact resistance, heat resistance, lower temperature resistance, chemical proofing and
Electric property, meanwhile, the material is common, low production cost.
In one embodiment of the invention, it is preferable that the first plastic basis material is acrylonitrile-butadiene-styrene (ABS) copolymerization
Thing base material.
In the technical scheme, acrylonitrile-butadiene-styrene copolymer base material has good impact resistance, heat-resisting
Property, lower temperature resistance, chemical proofing and electric property, meanwhile, the material is common, low production cost.
In one embodiment of the invention, it is preferable that foaming agent is inorganic foaming agent.
In the technical scheme, inorganic foaming agent has the advantages that safety, decomposition heat absorption, nucleating effect are good.Specifically, hair
The main component of infusion is citric acid, magnesium carbonate and calcium bicarbonate etc..
In one embodiment of the invention, it is preferable that surface layer 10 is acrylonitrile-butadiene-styrene copolymer surface layer
10。
In the technical scheme, acrylonitrile-butadiene-styrene copolymer surface layer 10 has good impact resistance, resistance to
Hot, lower temperature resistance, chemical proofing and electric property, meanwhile, the material is common, low production cost.
In one embodiment of the invention, it is preferable that surface layer 10 is extrusion level acrylonitrile-butadiene-styrene copolymerization
Object plane layer 10 or modified acrylonitrile-butadiene-styrene copolymer surface layer 10.
In the technical scheme, level acrylonitrile-butadiene-styrene copolymer surface layer 10 or modified propylene nitrile-fourth are extruded
Diene-styrene copolymer surface layer 10 has the advantages that the electrical property that impact strength is high, chemical stability is good and good.
In the present invention, term " multiple " then refers to two or more, unless otherwise clearly restriction.Term " peace
The term such as dress ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected, it is also possible to
It is to be detachably connected, or is integrally connected；" connected " can be joined directly together, it is also possible to be indirectly connected to by intermediary.It is right
For one of ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that the specific features, structure, material or the feature that are described with reference to the embodiment or example are contained in of the invention at least one real
In applying example or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or reality
Example.And, the specific features of description, structure, material or feature can in one or more any embodiments or example with
Suitable mode is combined.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (19)
1. a kind of processing method of foaming plate, it is characterised in that including：
Foaming agent is added in the first plastic basis material, micro-foaming material is formed after uniform mixing, the micro-foaming material passes through
After drying, heating, extrusion molding, fretting map layer is formed；
After second plastic basis material drying, heating and extrusion molding, surface layer is formed；
After 3rd plastic basis material drying, heating and extrusion molding, bottom is formed；
The surface layer, fretting map layer and the bottom form foaming plate by pressing plate, or
The surface layer and fretting map layer form foaming plate by pressing plate；
Wherein, the foaming agent is pulvis foaming agent or master batch foaming agent.
2. the processing method of foaming plate according to claim 1, it is characterised in that
The span that the weight of the pulvis foaming agent accounts for the ratio of the weight of first plastic basis material is 1 ‰ to 6 ‰；Or
The span that the weight of the master batch foaming agent accounts for the ratio of the weight of first plastic basis material is 1% to 10%.
3. the processing method of foaming plate according to claim 1, it is characterised in that
The span of the drying temperature of second plastic basis material is 80 DEG C to 40 DEG C；
The span of the drying time of second plastic basis material is 1h to 2h.
4. the processing method of foaming plate according to claim 1, it is characterised in that
The step of heating of the micro-foaming material or second plastic basis material or the 3rd plastic basis material, includes：
S402, charging heating；
S404, compression heating；
S406, melting heating；
S408, discharging heating.
5. the processing method of foaming plate according to claim 4, it is characterised in that
The span of the charging heating-up temperature of the micro-foaming material is 60 DEG C to 110 DEG C；
The span of the compression heating-up temperature of the micro-foaming material is 160 DEG C to 190 DEG C；
The span of the melting heating-up temperature of the micro-foaming material is 180 DEG C to 220 DEG C；
The span of the discharging heating-up temperature of the micro-foaming material is 170 DEG C to 220 DEG C.
6. the processing method of foaming plate according to claim 4, it is characterised in that
The span of the charging heating-up temperature of second plastic basis material is 60 DEG C to 100 DEG C；
The span of the compression heating-up temperature of second plastic basis material is 160 DEG C to 190 DEG C；
The span of the melting heating-up temperature of second plastic basis material is 190 DEG C to 220 DEG C；
The span of the discharging heating-up temperature of second plastic basis material is 180 DEG C to 220 DEG C.
7. the processing method of foaming plate according to claim 4, it is characterised in that
The span of the charging heating-up temperature of the 3rd plastic basis material is 60 DEG C to 110 DEG C；
The span of the compression heating-up temperature of the 3rd plastic basis material is 150 DEG C to 180 DEG C；
The span of the melting heating-up temperature of the 3rd plastic basis material is 170 DEG C to 220 DEG C；
The span of the discharging heating-up temperature of the 3rd plastic basis material is 180 DEG C to 210 DEG C.
8. the processing method of foaming plate according to any one of claim 1 to 7, it is characterised in that
The span of the heating-up temperature of the pressing plate is 160 DEG C to 200 DEG C.
9. a kind of foaming plate, for refrigerator, it is characterised in that including：
Surface layer；
Fretting map layer, the side of the fretting map layer is covered on the surface layer；
The fretting map layer is the fretting map layer of the first plastic basis material and pulvis foaming agent or master batch foaming agent.
10. foaming plate according to claim 9, it is characterised in that also include：
Bottom, the opposite side of the fretting map layer is covered on the bottom.
11. foaming plates according to claim 9, it is characterised in that
The span that the surface thickness accounts for the ratio of the foaming plate thickness is 5% to 20%；
The span that the fretting map thickness degree accounts for the ratio of the foaming plate thickness is 80% to 95%.
12. foaming plates according to claim 9, it is characterised in that
The span of the surface thickness is 0.2mm to 1mm；
The span of the fretting map thickness degree is 1mm to 4mm.
13. foaming plates according to claim 10, it is characterised in that
The span that the surface thickness accounts for the ratio of the foaming plate thickness is 3% to 10%；
The span that the fretting map thickness degree accounts for the ratio of the foaming plate thickness is 70% to 92%；
The span that the underlayer thickness accounts for the ratio of the expanded material thickness is 5%-20%.
14. foaming plates according to claim 10, it is characterised in that
The span of the surface thickness is 0.1mm to 0.5mm；
The span of the fretting map thickness degree is 1mm to 4mm；
The span of the underlayer thickness is 0.2mm to 0.5mm.
15. foaming plates according to claim 10, it is characterised in that
The bottom is acrylonitrile-butadiene-styrene copolymer bottom or polypropylene backing layer or polyvinyl chloride bottom.
16. foaming plate according to any one of claim 9 to 15, it is characterised in that
First plastic basis material is acrylonitrile-butadiene-styrene copolymer base material.
17. foaming plate according to any one of claim 9 to 15, it is characterised in that
The foaming agent is inorganic foaming agent.
18. foaming plate according to any one of claim 9 to 15, it is characterised in that
The surface layer is acrylonitrile-butadiene-styrene copolymer surface layer.
19. foaming plates according to claim 18, it is characterised in that
The surface layer is extrusion level acrylonitrile-butadiene-styrene copolymer surface layer or modified propylene nitrile-butadiene-styrene
Copolymer surface layer.
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| CN201710047710.3A CN106738580A (en) | 2017-01-22 | 2017-01-22 | The processing method and foaming plate of foaming plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710047710.3A CN106738580A (en) | 2017-01-22 | 2017-01-22 | The processing method and foaming plate of foaming plate |
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| CN106738580A true CN106738580A (en) | 2017-05-31 |
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| CN201710047710.3A Pending CN106738580A (en) | 2017-01-22 | 2017-01-22 | The processing method and foaming plate of foaming plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107652612A (en) * | 2017-08-30 | 2018-02-02 | 合肥华凌股份有限公司 | Inner liner plates and preparation method thereof and refrigeration plant |
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| CN105968679A (en) * | 2016-05-25 | 2016-09-28 | 合肥华凌股份有限公司 | Refrigerator liner plate, preparation method thereof and refrigerator |
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