CN106881878B - The manufacturing method of refrigerator door - Google Patents
The manufacturing method of refrigerator door Download PDFInfo
- Publication number
- CN106881878B CN106881878B CN201710146976.3A CN201710146976A CN106881878B CN 106881878 B CN106881878 B CN 106881878B CN 201710146976 A CN201710146976 A CN 201710146976A CN 106881878 B CN106881878 B CN 106881878B
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- CN
- China
- Prior art keywords
- insulating layer
- liner
- refrigerator door
- outer casing
- manufacturing
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- 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.)
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Classifications
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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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refrigerator Housings (AREA)
Abstract
The present invention provides a kind of manufacturing methods of refrigerator door.Wherein the manufacturing method of the refrigerator door includes: that HIPS plate or ABS plate are placed on liner absorption mold, after heating adsorption forming, is cut according to pre-set dimension to form liner；Liner is placed in insulating layer mold, heat-insulating layer foaming molding is carried out, the insulating layer for having liner is made；Insulating layer with liner is placed in outer casing mold, shell material is injected after molding, forms refrigerator door after default solidification duration solidification.The solution of the present invention, by adjusting the production process of door body each section, 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, and refrigerator door is made to have expansion sexual function, to provide the user convenient, interactivity and entertainment.
Description
Technical field
The present invention relates to fields of home appliance technology, more particularly to a kind of manufacturing method of refrigerator door.
Background technique
As society is increasingly developed, people's lives level is also gradually increased.Since operating pressure and rhythm of life are accelerated,
People increasingly get used to disposably buying a large amount of various kinds of foods or other articles.And to have become people indispensable for refrigerator
Household electrical appliance, the important function of Keep the quality and freshness is played to the storage of food and other articles, improve people life just
Benefit.
Refrigerator can be pressed according to refrigeration modes, shape-designing and internal endless form there are many different type
The manufacturing 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
Become rusty steel facing.
At present in the process of manufacture of refrigerator door and housing face-plate, difference is selected generally according to the characteristic of material
Manufacturing 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 it needs to dust on door-plate therein, door
The step of plate bending, is changed to doorframe prepackage, and glass panel pastes.But using above method manufacture door body and housing face-plate
When, due to the limitation of material, the surface of the housing face-plate of door body need be it is smooth, a degree of bending can only be made as,
Depth shape-designing can not be carried out, i.e. part planar cambered surface is utmostly only realized on surface, cannot achieve expansion sexual function.This
Outside, 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 are lower.
Summary of the invention
It is an object of the invention to improve the production efficiency of refrigerator door.
The method that there is the refrigerator door for expanding sexual function a further object of the present invention is to provide production.
Particularly, the present invention provides a kind of manufacturing method of refrigerator door, the manufacturing method of the refrigerator door include: by
HIPS plate or ABS plate are placed on liner absorption mold, after heating adsorption forming, are cut out according to pre-set dimension
It cuts to form liner；Liner is placed in insulating layer mold, heat-insulating layer foaming molding is carried out, the heat preservation for having liner is made
Layer；Insulating layer with liner is placed in outer casing mold, shell material is injected after molding, by default solidification duration solidification
After form refrigerator door.
Optionally, outer casing mold is laterally disposed steadily to inject shell material.
Optionally, the peripheral wall and bottom contacted inside outer casing mold with liner is provided with multiple vaccum-suction attachement pads, and will
It includes: that the insulating layer with liner passes through multiple vaccum-suction attachement pads that insulating layer with liner, which is placed in the step in outer casing mold,
The stationary positioned in outer casing mold.
Optionally, there is certain interval, to form the shell base of door body between insulating layer and outer casing mold with liner
Plate, and outer casing mold also has multiple die cavitys to raise upward, to be extended to form in housing base away from the side of insulating layer
Multiple protrusions.
Optionally, after molding inject shell material the step of include: keep outer casing mold temperature 60 DEG C to 70 DEG C it
Between, keep the temperature of shell material between 15 DEG C to 35 DEG C, keep injection shell material when pressure 2Mpa to 5Mpa it
Between, being kept for the time of injection shell material is between 3 seconds to 10 seconds；And it is a length of between 3 minutes to 8 minutes when default solidification.
Optionally, outer casing mold offers material feeding point and gas vent, so that shell material flows uniformly in outer casing mold.
Optionally, insulating layer and shell material are made of polyurethane material, so that the shell of door body and insulating layer solidify
Bonding is integrated.
Optionally, multiple die cavitys to raise upward are identical cylindric and are uniformly distributed in the matrix form, with outside
Shell substrate extends to form multiple corresponding cylindrical bumps away from the side of insulating layer.
Optionally, the end of cylindrical bump is chamfering, and the radius of chamfering is in 1.2 ㎜ between 1.8 ㎜.
Optionally, the center point height of cylindrical projection is in 4 ㎜ between 6 ㎜, and the radius of cylindrical projection is in 9 ㎜ to 10
Between ㎜, the spacing between each cylindrical projection cylindrical projection adjacent thereto is 9 ㎜ between 11 ㎜.
The manufacturing method of refrigerator door of the invention, comprising: HIPS plate or ABS plate are placed in liner absorption mold
On, after heating adsorption forming, cut according to pre-set dimension to form liner；Liner is placed in insulating layer mold
In, heat-insulating layer foaming molding is carried out, the insulating layer for having liner is made；Insulating layer with liner is placed in outer casing mold
In, shell material is injected after molding, refrigerator door is formed after default solidification duration solidification, by adjusting door body each section
Production process can effectively simplify production technology, reduce the labour in production process, improve production efficiency.
Further, the manufacturing method of refrigerator door of the invention, the peripheral wall wherein contacted inside outer casing mold with liner
Bottom is provided with multiple vaccum-suction attachement pads, and the insulating layer with liner is placed in the step in outer casing mold and includes:
Insulating layer with liner stationary positioned in outer casing mold by multiple vaccum-suction attachement pads, insulating 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 to raise upward between mold
Chamber, to extend to form multiple protrusions away from the side of insulating layer in housing base, the production process after optimization can also improve door
Body it is moulded, realize the 3D moulding of protrusion, can on outer shell of the door panel so that refrigerator door be made to have expansion sexual function
To install various connectors, to provide the user convenient, interactivity and entertainment.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of the production method of refrigerator door according to an embodiment of the invention；
Fig. 2 is the front view for the refrigerator door that the production method of refrigerator door according to an embodiment of the invention is formed；
Fig. 3 is the rearview for the refrigerator door that the production method of refrigerator door according to an embodiment of the invention is formed；
Fig. 4 is the side view for the refrigerator door that the production method of refrigerator door according to an embodiment of the invention is formed；
Fig. 5 is the perspective view for the refrigerator door that the production method of refrigerator door according to an embodiment of the invention is formed；
Fig. 6 is patching for the refrigerator door compatibility that the production method of refrigerator door according to an embodiment of the invention is formed
The front view of part；
Fig. 7 is the rearview of structure shown in Fig. 6；And
Fig. 8 is the perspective view of structure shown in Fig. 6.
Specific embodiment
The production method for present embodiments providing a kind of refrigerator door can by adjusting the production process of door body each section
Effectively to simplify production technology, production efficiency is improved, and the moulded of door body can be improved, refrigerator door is made to have expansion
Sexual function.Fig. 1 is the schematic diagram of the production method of refrigerator door according to an embodiment of the invention, as shown, the refrigerator
The production method of door body the following steps are included:
Step S102, by HIPS plate or ABS plate be placed in liner absorption mold on, by heating adsorption forming it
Afterwards, it is cut according to pre-set dimension to form liner；
Liner is placed in insulating layer mold by step S104, carries out heat-insulating layer foaming molding, has liner to be made
Insulating layer；
Insulating layer with liner is placed in outer casing mold, shell material is injected after molding, by pre- by step S106
If forming refrigerator door after solidification duration solidification.
In above step, HIPS plate is impact resistant polystyrene (High Impact in step S102
Polystyrene) plate, the HIPS plate have excellent an elongation percentage and vacuum formability, and hydroscopicity is low and preferable mold
Transcription performance.ABS plate is acrylonitrile/butadiene/styrene copolymer (Acrylonitrile-butdiene-styrene)
Plate, ABS plate then have the advantages that yield is big, and have both the excellent mechanical property of tough, hard, rigid phase equilibrium.
In step S104, after by foaming process, due to the cementability of foamed material itself, liner and insulating layer can
To form an entirety, that is, form the insulating layer for having liner.Refrigeration effect and the guarantor of refrigerator can be effectively ensured in the insulating layer
Fresh effect.Wherein the material of insulating layer can be a kind of emerging high-molecular organic material with polyurethane, polyurethane material, be referred to as
" the fifth-largest plastics " have the performance of a variety of brilliances and are widely used in various fields.
In step S106, outer casing mold can be laterally disposed steadily to inject shell material.Laterally disposed outer casing mold can
To avoid outer casing mold dead weight is too big and it is unstable to cause, placement cannot be stablized by solving insulating layer, can not smoothly be injected
The problems such as shell material.
The peripheral wall and bottom contacted inside outer casing mold with liner is provided with multiple vaccum-suction attachement pads, and will have liner
Insulating layer to be placed in the step in outer casing mold include: the insulating layer with liner by multiple vaccum-suction attachement pads in shell mould
Stationary positioned in tool.When insulating layer with liner is placed in outer casing mold, liner is in the bottom of outer casing mold.Generally
The vaccum-suction attachement pad that ground, the peripheral wall contacted inside outer casing mold with liner and bottom are arranged all can be even number, it is ensured that band
After having the insulating layer of liner to be 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 shell material is injected after molding in step S106 includes: to keep the temperature of outer casing mold at 60 DEG C to 70 DEG C
Between, it keeps the temperature of shell material between 15 DEG C to 35 DEG C, keeps pressure when injection shell material in 2Mpa to 5Mpa
Between, being kept for the time of injection shell material is between 3 seconds to 10 seconds；And when default solidification a length of 3 minutes to 8 minutes it
Between.Shell material is identical as insulating layer raw material, is made of polyurethane material, thus during injecting shell material, outside
The raw material of shell can be full of the tiny micropore of insulation layer surface, and then reaction is formed by curing bonding and is integrated.In a kind of preferred reality
Apply in example, shell material be can be hard dual-component polyurethane.
Outer casing mold offers material feeding point and gas vent, so that shell material flows uniformly in outer casing mold.Gas vent
Gas is discharged in time, it is ensured that not phenomena such as not will form hole, hollowing in the cohesive process of shell material and insulating layer, from
And form seamless, flawless shell.
There is certain interval between insulating layer and outer casing mold with liner, to form the housing base of door body, and
Outer casing mold also has multiple die cavitys to raise upward, multiple convex to extend to form in the side that housing base deviates from insulating layer
It rises.In a kind of preferred embodiment, housing base with a thickness of 1.5 ㎜ between 3 ㎜.The thickness range can guarantee door body
Outer cover intensity, while shell can also be avoided blocked up and lead to wastage of material.
The manufacturing method of the refrigerator door of the present embodiment can effectively letter by adjusting the production process of door body each section
Metaplasia production. art reduces the labour in production process, improves production efficiency, and the insulating layer with liner passes through vaccum-suction attachement pad
The stationary positioned in outer casing mold ensure that certain production precision.
Fig. 2 is facing for the refrigerator door 20 that the production method of refrigerator door according to an embodiment of the invention is formed
Figure, Fig. 3 are the rearview for the refrigerator door 20 that the production method of refrigerator door according to an embodiment of the invention is formed, Fig. 4
It is the side view of the refrigerator door 20 of the production method formation of refrigerator door according to an embodiment of the invention, Fig. 5 is basis
The perspective view for the refrigerator door 20 that the production method of the refrigerator door of one embodiment of the invention is formed.It can be seen by Fig. 2 to Fig. 5
Out, the refrigerator door 20 of formation generally may include: shell 21, liner 22 and insulating layer 23.
In the production method of the refrigerator door of the present embodiment, multiple die cavitys to raise upward of outer casing mold are identical circle
It tubular and is uniformly distributed in the matrix form, to extend to form multiple correspondences away from the side of insulating layer 23 in 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
㎜ is between 1.8 ㎜.The chamfer design saves the time for patching cooperation, improves convenience convenient for the sliding of connector 30.
The center point height of cylindrical projection 212 is in 4 ㎜ between 6 ㎜, and the radius of cylindrical projection 212 is in 9 ㎜ to 10
Between ㎜, the spacing between each cylindrical projection cylindrical projection adjacent thereto is 9 ㎜ between 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 that the production method of refrigerator door according to an embodiment of the invention is formed
The front view of plug-in unit 30, Fig. 7 are the rearviews of structure shown in Fig. 6；And Fig. 8 is the perspective view of structure shown in Fig. 6.
The material of connector 30 can be plastics perhaps the polymer such as polyurethane to utilize the deformation of plastics or polyurethane
Elasticity makes to realize cooperation between connector 30 and refrigerator door 20.The connector 30 can pass through the cylindrical projection on shell 21
212 are installed.As shown, the whole substantially cuboid of the connector 30, and it is provided with and multiple is extended by back
Cylinder-like part, and 30 back surrounding of connector is symmetrically arranged with multiple reinforcing ribs.In the size and shell 21 of connector 30
212 size of cylindrical projection cooperate.That is the diameter of cylindrical projection 212 and spacing distribution, determine the reinforcement of connector 30
The size of muscle and cylinder-like part.Specifically, when connector 30 is installed on door body 20, the cylinder-like part of connector 30 is inserted
Enter the gap that multiple cylindrical projections limit, multiple reinforcing ribs bear against multiple cylindrical projections, and connector 30 and cylinder are convex
212 tight fits between the two are played so that more stable on mounting structure, are improved in user and 20 interactive process of refrigerator door
Reliability.In addition, the front of connector 30 is also equipped with the cylindrical projection on similar door body shell 21, to can also connect
Continue that other component is installed on plug-in unit 30, effectively increases the dicoration and user interactivity of refrigerator door 20.
In some other embodiment, connector can also for cylindrical shape, and the internal diameter of the connector be equal to or
It is slightly less than the outer diameter of cylindrical projection 212, connector directly is can be thus achieved into cylindrical projection 212 in connector cylindrical sleeve
Installation.
The manufacturing 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 the 3D moulding of protrusion, so that refrigerator door 20 be made to have expansion sexual function, can install on outer shell of the door each
Kind connector, to provide the user convenient, interactivity and entertainment.
Claims (8)
1. a kind of manufacturing method of refrigerator door, comprising:
HIPS plate or ABS plate are placed on liner absorption mold, after heating adsorption forming, according to pre-set dimension
It is cut to form liner；
Liner is placed in insulating layer mold, heat-insulating layer foaming molding is carried out, the insulating layer for having liner is made；
The insulating layer with liner is placed in outer casing mold, shell material is injected after molding, when by default solidification
The refrigerator door is formed after long solidification,
Wherein, there is certain interval, to form the door body between the insulating layer and the outer casing mold with liner
Housing base, and the outer casing mold also has multiple die cavitys to raise upward, and the multiple die cavity to raise upward is phase
With cylindrical shape and be uniformly distributed in the matrix form, to be extended to form in the housing base away from the side of the insulating layer
Multiple corresponding cylindrical bumps.
2. the manufacturing method of refrigerator door according to claim 1, wherein
The outer casing mold is laterally disposed steadily to inject the shell material.
3. the manufacturing method of refrigerator door according to claim 2, wherein being connect inside the outer casing mold with the liner
The peripheral wall of touching and bottom are provided with multiple vaccum-suction attachement pads, and the insulating layer with liner is placed in outer casing mold
The step of include:
The insulating layer with liner stationary positioned in the outer casing mold by multiple vaccum-suction attachement pads.
4. the manufacturing method of refrigerator door according to claim 1, wherein the step of injecting shell material after molding includes:
It keeps the temperature of the outer casing mold between 60 DEG C to 70 DEG C, keeps the temperature of the shell material at 15 DEG C to 35 DEG C
Between, keep pressure when injecting the shell material in 2Mpa to the time between 5Mpa, keeping injecting the shell material
Between 3 seconds to 10 seconds；And
It is a length of between 3 minutes to 8 minutes when the default solidification.
5. the manufacturing method of refrigerator door according to claim 1, wherein
The outer casing mold offers material feeding point and gas vent, so that the shell material flows in the outer casing mold
It is even.
6. the manufacturing method of refrigerator door according to claim 1, wherein
The insulating layer and the shell material are made of polyurethane material, so that the shell of the door body and the insulating layer
Solidification bonding is integrated.
7. the manufacturing method of refrigerator door according to claim 1, wherein
The end of the cylindrical bump is chamfering, and the radius of the chamfering is in 1.2 ㎜ between 1.8 ㎜.
8. the manufacturing method of refrigerator door according to claim 1, wherein
The center point height of the cylindrical projection is in 4 ㎜ between 6 ㎜, and the radius of the cylindrical projection is in 9 ㎜ to 10 ㎜
Between, the spacing between each cylindrical projection cylindrical projection adjacent thereto is 9 ㎜ between 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 CN106881878A (en) | 2017-06-23 |
| CN106881878B true 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 |
|---|---|
| CN106881878A (en) | 2017-06-23 |
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