CN106881878A - The manufacture method of refrigerator door - Google Patents
The manufacture method of refrigerator door Download PDFInfo
- Publication number
- CN106881878A CN106881878A CN201710146976.3A CN201710146976A CN106881878A CN 106881878 A CN106881878 A CN 106881878A CN 201710146976 A CN201710146976 A CN 201710146976A CN 106881878 A CN106881878 A CN 106881878A
- Authority
- CN
- China
- Prior art keywords
- heat
- refrigerator door
- liner
- insulation layer
- outer casing
- 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.)
- Granted
Links
Classifications
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/762—Household appliances
- B29L2031/7622—Refrigerators
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention provides a kind of manufacture method of refrigerator door.The manufacture method of the wherein refrigerator door includes：By HIPS sheet materials or ABS plate be positioned over liner absorption mould on, through heating adsorption forming after, cut to form liner according to pre-set dimension；Liner is positioned in heat-insulation layer mould, heat-insulating layer foaming shaping is carried out, to be made the heat-insulation layer with liner；Heat-insulation layer with liner is positioned in outer casing mold, shell material is injected after matched moulds, by forming refrigerator door after default solidification duration solidification.The solution of the present invention, by the production process for adjusting door body each several part, production technology can effectively be simplified, reduce the labour in production process, improve production efficiency, production process after optimization can also improve the moulded of door body, refrigerator door is possessed expansion sexual function, so as to provide the user convenient, interactivity and recreational.
Description
Technical field
The present invention relates to household electrical appliance technical field, more particularly to a kind of manufacture method of refrigerator door.
Background technology
As society is growing, the living standard of people is also gradually stepped up.Because operating pressure and rhythm of life are accelerated,
People increasingly get used to disposably buying substantial amounts of various kinds of foods or other articles.And refrigerator to have become people indispensable
Household electrical appliance, the storage to food and other articles serves the important function of Keep the quality and freshness, improves people's life just
Profit.
Refrigerator can be divided into various different types according to refrigeration modes, shape-designing and inner loop mode, but press
The manufacture method of sight body and housing face-plate can be generally divided into following a few classes：Plastic front board, colored steel panel, glass panel, no
Rust steel facing.
At present in the process of manufacture of refrigerator door and housing face-plate, the characteristic generally according to material selects different
Manufacture method.By taking outer cover of steel plate as an example, be typically passed through door-plate dust, door panel bending, door shell cleaning, door shell prepackage, sealing,
The techniques such as material feeding, small pieces of cloth used for patches, button shell, foaming, installation door seal.And by taking glass shell as an example, then need to dust on door-plate therein, door
The step of plate bending, is changed to doorframe prepackage, and glass panel is pasted.But manufacturing door body and housing face-plate using above method
When, due to the limitation of material, the surface of the housing face-plate of door body needs to be smooth, can only be made as a certain degree of bending,
Depth shape-designing, i.e. surface cannot be carried out and at utmost only realize part planar cambered surface, it is impossible to realize expanding sexual function.This
Outward, the manufacturing process of current refrigerator door is all relative complex, more needed for personnel, and general split run about needs 22 people to 25
People, production efficiency is relatively low.
The content of the invention
Production efficiency it is an object of the invention to improve refrigerator door.
The present invention one is further objective is that provide the method for making and having the refrigerator door for expanding sexual function.
Especially, the invention provides a kind of manufacture method of refrigerator door, the manufacture method of the refrigerator door includes：Will
HIPS sheet materials or ABS plate be positioned over liner absorption mould on, through heating adsorption forming after, cut out according to pre-set dimension
Cut to form liner；Liner is positioned in heat-insulation layer mould, heat-insulating layer foaming shaping is carried out, to be made the insulation with liner
Layer；Heat-insulation layer with liner is positioned in outer casing mold, shell material is injected after matched moulds, solidified by default solidification duration
After form refrigerator door.
Alternatively, outer casing mold is laterally disposed steadily injecting shell material.
Alternatively, the perisporium and bottom that outer casing mold inside contacts with liner are provided with multiple vaccum-suction attachement pads, and will
The step that heat-insulation layer with liner is positioned in outer casing mold includes：Heat-insulation layer with liner passes through multiple vaccum-suction attachement pads
The stationary positioned in outer casing mold.
Alternatively, there is certain interval, to form the shell base of door body between heat-insulation layer and outer casing mold with liner
Plate, and outer casing mold also has multiple die cavitys for raising up, and to be formed with extending away from the side of heat-insulation layer in housing base
It is multiple raised.
Alternatively, the step of shell material is injected after matched moulds includes：Keep outer casing mold temperature 60 DEG C to 70 DEG C it
Between, keep shell material temperature between 15 DEG C to 35 DEG C, keep injection shell material when pressure 2Mpa to 5Mpa it
Between, kept for the time of injection shell material between 3 seconds to 10 seconds；And during default solidification between a length of 3 minutes to 8 minutes.
Alternatively, outer casing mold offers material feeding point and steam vent, so that shell material flows uniformly in outer casing mold.
Alternatively, heat-insulation layer and shell material are made by polyurethane material, so that the shell of door body solidifies with heat-insulation layer
Bonding is integrated.
Alternatively, multiple die cavitys for raising up are for identical cylindrical shape and are uniformly distributed in the matrix form, with outside
Shell substrate extends to form multiple corresponding cylindrical bumps away from the side of heat-insulation layer.
Alternatively, the end of cylindrical bump be chamfering, and chamfering radius be in the ㎜ of 1.2 ㎜ to 1.8 between.
Alternatively, highly between the ㎜ of 4 ㎜ to 6, the radius of cylindrical projection is in 9 ㎜ to 10 to the central point of cylindrical projection
Between ㎜, the spacing between each cylindrical projection cylindrical projection adjacent thereto is between the ㎜ of 9 ㎜ to 11.
The manufacture method of refrigerator door of the invention, including：HIPS sheet materials or ABS plate are positioned over liner absorption mould
On, through heating adsorption forming after, cut to form liner according to pre-set dimension；Liner is positioned over heat-insulation layer mould
In, heat-insulating layer foaming shaping is carried out, to be made the heat-insulation layer with liner；Heat-insulation layer with liner is positioned over outer casing mold
In, shell material is injected after matched moulds, by forming refrigerator door after default solidification duration solidification, by adjusting door body each several part
Production process, can effectively simplify production technology, reduce the labour in production process, improve production efficiency.
Further, the perisporium that the manufacture method of refrigerator door of the invention, wherein outer casing mold inside contact with liner
Bottom is provided with multiple vaccum-suction attachement pads, and the step that the heat-insulation layer with liner is positioned in outer casing mold is included：
Heat-insulation layer with liner passes through multiple vaccum-suction attachement pad stationary positioneds in outer casing mold, heat-insulation layer and shell with liner
There is certain interval, to form the housing base of door body, and outer casing mold also has multiple moulds for raising up between mould
Chamber, extends to form multiple projections with housing base away from the side of heat-insulation layer, and the production process after optimization can also improve door
Moulded, the raised 3D moulding of realization of body, so that refrigerator door possesses expansion sexual function, can on outer shell of the door panel
To install various connectors, so as to provide the user convenient, interactivity and recreational.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Of the invention above-mentioned and other purposes, advantages and features.
Brief description of the drawings
Describe some specific embodiments of the invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the schematic diagram of the preparation method of refrigerator door according to an embodiment of the invention；
Fig. 2 is the front view of the refrigerator door of the preparation method formation of refrigerator door according to an embodiment of the invention；
Fig. 3 is the rearview of the refrigerator door of the preparation method formation of refrigerator door according to an embodiment of the invention；
Fig. 4 is the side view of the refrigerator door of the preparation method formation of refrigerator door according to an embodiment of the invention；
Fig. 5 is the stereogram of the refrigerator door of the preparation method formation of refrigerator door according to an embodiment of the invention；
Fig. 6 is patching for the refrigerator door compatibility of the preparation method formation of refrigerator door according to an embodiment of the invention
The front view of part；
Fig. 7 is the rearview of structure shown in Fig. 6；And
Fig. 8 is the stereogram of structure shown in Fig. 6.
Specific embodiment
A kind of preparation method of refrigerator door is present embodiments provided, by adjusting the production process of door body each several part, can
Effectively to simplify production technology, improve production efficiency, and the moulded of door body can be improved, refrigerator door is possessed expansion
Sexual function.Fig. 1 is the schematic diagram of the preparation method of refrigerator door according to an embodiment of the invention, as illustrated, the refrigerator
The preparation method of door body is comprised the following steps：
Step S102, by HIPS sheet materials or ABS plate be positioned over liner absorption mould on, through heating adsorption forming it
Afterwards, cut to form liner according to pre-set dimension；
Step S104, liner is positioned in heat-insulation layer mould, carries out heat-insulating layer foaming shaping, to be made with liner
Heat-insulation layer；
Step S106, the heat-insulation layer with liner is positioned in outer casing mold, shell material is injected after matched moulds, by pre-
If forming refrigerator door after solidification duration solidification.
In above step, HIPS sheet materials are impact resistant polystyrene (High Impact in step S102
Polystyrene) sheet material, the HIPS sheet materials have excellent elongation percentage and a vacuum formability, and hydroscopicity is low and preferably mould
Transcription performance.ABS plate is acrylonitrile/butadiene/styrene copolymer (Acrylonitrile-butdiene-styrene)
Sheet material, ABS plate then has the advantages that yield is big, and has tough, hard, firm phase excellent mechanical property in a balanced way concurrently.
In step S104, after by foaming process, due to the cementability of expanded material itself, liner and heat-insulation layer can
To form an entirety, that is, form the heat-insulation layer with liner.The heat-insulation layer can be effectively ensured the refrigeration of refrigerator and protect
Fresh effect.Wherein the material of heat-insulation layer can be with polyurethane, and polyurethane material is a kind of emerging high-molecular organic material, is referred to as
" the fifth-largest plastics ", it possesses various remarkable performances and is widely used in various fields.
In step S106, outer casing mold can be with laterally disposed steadily injecting shell material.Laterally disposed outer casing mold can
Unstable to avoid outer casing mold dead weight from causing greatly very much, solving heat-insulation layer can not stablize placement, it is impossible to enough smooth injections
The problems such as shell material.
The perisporium and bottom that outer casing mold inside contacts with liner are provided with multiple vaccum-suction attachement pads, and will be with liner
The step that is positioned in outer casing mold of heat-insulation layer include：Heat-insulation layer with liner passes through multiple vaccum-suction attachement pads in shell mould
Stationary positioned in tool.When heat-insulation layer with liner is positioned in outer casing mold, liner is in the bottom of outer casing mold.Typically
Ground, the vaccum-suction attachement pad that the perisporium and bottom that outer casing mold inside contacts with liner are set can be even number, it is ensured that band
After the heat-insulation layer for having liner is put into outer casing mold, two horizontal and vertical planes are placed steadily, and accurate positioning, effectively
Improve the precision of production.
The step of injecting shell material in step S106 after matched moulds includes：The temperature of outer casing mold is kept at 60 DEG C to 70 DEG C
Between, the temperature of shell material is kept between 15 DEG C to 35 DEG C, pressure during injection shell material is kept in 2Mpa to 5Mpa
Between, kept for the time of injection shell material between 3 seconds to 10 seconds；And during default solidification a length of 3 minutes to 8 minutes it
Between.Shell material is identical with heat-insulation layer raw material, is made by polyurethane material, so that during shell material is injected, outward
The raw material of shell can be full of the tiny micropore of insulation layer surface, and then reaction solidify to form bonding and is integrated.In a kind of preferred reality
Apply in example, it can be hard dual-component polyurethane that shell material is.
Outer casing mold offers material feeding point and steam vent, so that shell material flows uniformly in outer casing mold.Steam vent
Gas is discharged in time, it is ensured that will not form the phenomenons such as hole, hollowing in shell material and the cohesive process of heat-insulation layer, from
And form seamless, flawless shell.
There is certain interval between heat-insulation layer and outer casing mold with liner, to form the housing base of door body, and
Outer casing mold also has multiple die cavitys for raising up, and extends to form multiple convex away from the side of heat-insulation layer with housing base
Rise.In a kind of preferred embodiment, the thickness of housing base is between the ㎜ of 1.5 ㎜ to 3.The thickness range can ensure door body
Outer cover intensity, while shell can also be avoided blocked up and cause wastage of material.
The manufacture method of the refrigerator door of the present embodiment, by adjusting the production process of door body each several part, can effectively letter
Metaplasia production. art, reduces the labour in production process, and improve production efficiency, the heat-insulation layer with liner passes through vaccum-suction attachement pad
The stationary positioned in outer casing mold, it is ensured that certain production precision.
Fig. 2 is facing for the refrigerator door 20 of the preparation method formation of refrigerator door according to an embodiment of the invention
Figure, Fig. 3 is the rearview of the refrigerator door 20 of the preparation method formation of refrigerator door according to an embodiment of the invention, Fig. 4
It is the side view of the refrigerator door 20 of the preparation method formation of refrigerator door according to an embodiment of the invention, Fig. 5 is basis
The stereogram of the refrigerator door 20 that the preparation method of the refrigerator door of one embodiment of the invention is formed.Can be seen by Fig. 2 to Fig. 5
Go out, the refrigerator door 20 of formation can include in general manner：Shell 21, liner 22 and heat-insulation layer 23.
In the preparation method of the refrigerator door of the present embodiment, the die cavity that the multiple of outer casing mold raises up is identical circle
Tubular and it is uniformly distributed in the matrix form, extends to form multiple correspondences away from the side of heat-insulation layer 23 with housing base 211
Cylindrical bump 212, that is to say, that the spacing between each cylindrical projection and connected cylindrical projection is identical.
In a kind of preferred embodiment, the end of cylindrical bump 212 is chamfering, and the radius of chamfering is in 1.2
Between the ㎜ of ㎜ to 1.8.The chamfer design is easy to connector 30 to slide, and saving patches the time of cooperation, improves convenience.
Highly between the ㎜ of 4 ㎜ to 6, the radius of cylindrical projection 212 is in 9 ㎜ to 10 to the central point of cylindrical projection 212
Between ㎜, the spacing between each cylindrical projection cylindrical projection adjacent thereto is between the ㎜ of 9 ㎜ to 11.Cylindrical projection 212
Radius and spacing be reasonably distributed, be conducive to connector mounting.
Fig. 6 is connecing for the compatibility of refrigerator door 20 of the preparation method formation of refrigerator door according to an embodiment of the invention
The front view of plug-in unit 30, Fig. 7 is the rearview of structure shown in Fig. 6；And Fig. 8 is the stereogram of structure shown in Fig. 6.
The material of connector 30 can be the polymer such as plastics or polyurethane, with using the deformation of plastics or polyurethane
Elasticity makes to realize coordinating between connector 30 and refrigerator door 20.The connector 30 can be by the cylindrical projection on shell 21
212 are installed.As illustrated, the overall substantially cuboid of the connector 30, and it is provided with what multiple was extended by back
Cylinder-like part, and the back surrounding of connector 30 is symmetrically arranged with multiple reinforcements.In the size and shell 21 of connector 30
The size of cylindrical projection 212 cooperate.I.e. the diameter of cylindrical projection 212 and spacing are distributed, and determine the reinforcement of connector 30
The size of muscle and cylinder-like part.Specifically, when connector 30 is installed on into door body 20, the cylinder-like part of connector 30 is inserted
Enter the gap that multiple cylindrical projections are limited, multiple reinforcements bear against multiple cylindrical projections, and connector 30 is convex with cylinder
Rise 212 tight fit therebetween cause it is more stable on mounting structure, in improve user and the interaction of refrigerator door 20
Reliability.Additionally, the front of connector 30 is also equipped with the cylindrical projection on similar door body shell 21, so as to can also connect
Continue that miscellaneous part is installed on plug-in unit 30, effectively increase the dicoration and user interactivity of refrigerator door 20.
In some other embodiment, connector can also for cylindrical shape, and the connector internal diameter size be equal to or
The outside dimension of cylindrical projection 212 is slightly less than, connector cylindrical sleeve can directly be realized into connector in cylindrical projection 212
Installation.
The manufacture method of the refrigerator door of the present embodiment, the production process after optimization can also improve the whole of refrigerator door 20
Figure modelling, realizes raised 3D moulding, so that refrigerator door 20 possesses expansion sexual function, can install each on outer shell of the door
Kind of connector, so as to provide the user convenient, interactivity and recreational.
Claims (10)
1. a kind of manufacture method of refrigerator door, including：
By HIPS sheet materials or ABS plate be positioned over liner absorption mould on, through heating adsorption forming after, according to pre-set dimension
Cut to form liner；
Liner is positioned in heat-insulation layer mould, heat-insulating layer foaming shaping is carried out, to be made the heat-insulation layer with liner；
The heat-insulation layer with liner is positioned in outer casing mold, shell material is injected after matched moulds, during by default solidification
The refrigerator door is formed after solidification long.
2. the manufacture method of refrigerator door according to claim 1, wherein,
The outer casing mold is laterally disposed steadily injecting the shell material.
3. the manufacture method of refrigerator door according to claim 2, wherein being connect with the liner inside the outer casing mold
Tactile perisporium and bottom is provided with multiple vaccum-suction attachement pads, and the heat-insulation layer with liner is positioned in outer casing mold
The step of include：
The heat-insulation layer with liner stationary positioned in the outer casing mold by multiple vaccum-suction attachement pads.
4. the manufacture method of refrigerator door according to claim 2, wherein,
There is certain interval, to form the shell base of the door body between the heat-insulation layer with liner and the outer casing mold
Plate, and
The outer casing mold also has multiple die cavitys for raising up, to deviate from the side of the heat-insulation layer in the housing base
Extend and form multiple raised.
5. the manufacture method of refrigerator door according to claim 1, includes wherein after matched moulds the step of injection shell material：
The temperature of the outer casing mold is kept between 60 DEG C to 70 DEG C, the temperature of the shell material is kept at 15 DEG C to 35 DEG C
Between, pressure when keeping injecting the shell material is kept for the time of the injection shell material between 2Mpa to 5Mpa
Between 3 seconds to 10 seconds；And
During the default solidification between a length of 3 minutes to 8 minutes.
6. the manufacture method of refrigerator door according to claim 1, wherein,
The outer casing mold offers material feeding point and steam vent, so that the shell material flows in the outer casing mold
It is even.
7. the manufacture method of refrigerator door according to claim 1, wherein,
The heat-insulation layer and the shell material are made by polyurethane material, so that the shell of the door body and the heat-insulation layer
Solidification bonding is integrated.
8. the manufacture method of refrigerator door according to claim 4, wherein,
The multiple die cavity for raising up is identical cylindrical shape and is uniformly distributed in the matrix form, with the shell base
Backboard extends to form multiple corresponding cylindrical bumps from the side of the heat-insulation layer.
9. the manufacture method of refrigerator door according to claim 8, wherein,
The end of the cylindrical bump be chamfering, and the chamfering radius be in the ㎜ of 1.2 ㎜ to 1.8 between.
10. the manufacture method of refrigerator door according to claim 8, wherein,
Highly between the ㎜ of 4 ㎜ to 6, the radius of the cylindrical projection is in the ㎜ of 9 ㎜ to 10 to the central point of the cylindrical projection
Between, the spacing between each cylindrical projection cylindrical projection adjacent thereto is between the ㎜ of 9 ㎜ to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146976.3A CN106881878B (en) | 2017-03-13 | 2017-03-13 | The manufacturing method of refrigerator door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146976.3A CN106881878B (en) | 2017-03-13 | 2017-03-13 | The manufacturing method of refrigerator door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106881878A true CN106881878A (en) | 2017-06-23 |
| CN106881878B CN106881878B (en) | 2019-05-07 |
Family
ID=59180877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710146976.3A Active CN106881878B (en) | 2017-03-13 | 2017-03-13 | The manufacturing method of refrigerator door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106881878B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0244175A (en) * | 1988-08-03 | 1990-02-14 | Sharp Corp | Heat insulating door body for heat insulating case |
| CN103913034A (en) * | 2013-01-08 | 2014-07-09 | 海尔集团公司 | Heat preservation component and forming method thereof |
| CN104048472A (en) * | 2013-03-15 | 2014-09-17 | 佛山海尔电冰柜有限公司 | Heat insulation component and forming method of heat insulation component |
-
2017
- 2017-03-13 CN CN201710146976.3A patent/CN106881878B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0244175A (en) * | 1988-08-03 | 1990-02-14 | Sharp Corp | Heat insulating door body for heat insulating case |
| CN103913034A (en) * | 2013-01-08 | 2014-07-09 | 海尔集团公司 | Heat preservation component and forming method thereof |
| CN104048472A (en) * | 2013-03-15 | 2014-09-17 | 佛山海尔电冰柜有限公司 | Heat insulation component and forming method of heat insulation component |
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| Publication number | Publication date |
|---|---|
| CN106881878B (en) | 2019-05-07 |
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