CN104191568A - Double-color injection molding method and mold of complicated automobile parts - Google Patents
Double-color injection molding method and mold of complicated automobile parts Download PDFInfo
- Publication number
- CN104191568A CN104191568A CN201410401957.7A CN201410401957A CN104191568A CN 104191568 A CN104191568 A CN 104191568A CN 201410401957 A CN201410401957 A CN 201410401957A CN 104191568 A CN104191568 A CN 104191568A
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- China
- Prior art keywords
- moulding
- dynamic model
- distance piece
- look
- heating
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/164—The moulding materials being injected simultaneously
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7331—Heat transfer elements, e.g. heat pipes
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C2045/1698—Making multilayered or multicoloured articles multicoloured articles moulded in one step
Abstract
The invention discloses a double-color injection molding method of complicated automobile parts. The method comprises the following steps: (1) a forming stationary mold, a first forming movable mold and a second forming movable mold are arranged, and a heating spacing piece is arranged in the cavity of the forming stationary mold, is inserted into the cavity from the outer side of the forming stationary mold, and is movably arranged; (2) the forming stationary mold, the first forming movable mold and the second forming movable mold are closed, the heating spacing piece is pushed so that the cavity of the forming stationary mold is divided into double cavities corresponding to the first forming movable mold and the second forming movable mold, and a first-color material pipe and a second-color material pipe are used for simultaneously injecting a first-color material and a second-color material to the cavities; (3) the heating spacing piece is withdrawn so that the cavities of the forming stationary mold are changed into a single through cavity, and meanwhile, the first-color material and the second-color material in the cavity are fused so that the double-color injection-molded products of the complicated automobile parts are formed. The invention also discloses a double-color injection mold of the complicated automobile parts for implementing the method. According to the invention, the first-color material and the second-color material can be injection-molded simultaneously, and the effect of double-color injection molding of the complicated automobile parts in one step can be achieved.
Description
Technical field
The present invention relates to injection mold technology, be specifically related to Complicated Automobile parts double-shot molding method and mould.
Background technology
Along with the fast development of China's automobile industry, also driven the fast development of automobile die technology, automobile die and product have huge market, and this is also owing to needing a large amount of auto parts and components to guarantee in the finished product in automobile making.Body of a motor car part now, engine product etc. main aspect our the main or import of high-end parts, mould equipment is the pith in automobile making, but the manufacturing capacity of the precision die of China and the accumulation of product manufacturing technology are not enough.Also the auto parts and components mould that has just caused high-grade car is nearly all the phenomenon of imported product.
From the cylinder body die casting of the heart generator of automobile to the complicated plastic parts of body of a motor car, each operation is that requirement is higher.For weight reduction and reduction structural complexity, the light metals such as aluminium alloy, and the application of double-material injection-molding parts on automobile will get more and more, automotive light weight technology, new material shaping dies, multistation progressive die are all the guarantees that advance the development of Automobile Self-brand.
At present, the double-shot moulding technique that large complicated automobile is articles injection-moulded, is all generally the quadric injection mould form adopting, and claims again single mode dijection form, comprises rotary, portable etc.Tradition Complicated Automobile parts double-shot moulding mode, has a feature to be, first carry out after an injection moulding, and the first look product approval, carrying out the second look injection moulding, forms double-colored product.So just, can cause many problems to occur, first the first look product can produce the deformations such as contraction, distortion after sizing, causes producing gap when injection moulding for the second time, forms batch cutting edge of a knife or a sword on die joint; Next is, the first look product is shaped, then carries out the second look product injection moulding, and inadequate situation may appear in fusion between the two, affects the quality of double-colored product.
This situation is when being used the different plastic material of soft, hard two kinds of hardness to carry out injection moulding, because distortion etc. are former thereby batch cutting edge of a knife or a sword phenomenon of soft or hard glue (the being double-colored material) die joint that causes is even more serious, tend to cause more than 85% defective products, had a strong impact on product quality.
Therefore, research and develop a kind of technique and particular manufacturing craft that is suitable for the double-shot moulding of the products such as large complicated automobile component, just become very urgent.
Summary of the invention
Above-mentioned deficiency for prior art, the object of the invention is to, and a kind of Complicated Automobile parts double-shot molding method of avoiding die joint to produce batch cutting edge of a knife or a sword is provided, and the particular manufacturing craft of implementing the method is also provided simultaneously.
The technical scheme that the present invention adopted is for achieving the above object:
A Complicated Automobile parts double-shot molding method, is characterized in that, it comprises the following steps:
1) moulding cover half, the first moulding dynamic model and the second moulding dynamic model are set; Described the first moulding dynamic model and the second moulding dynamic model are corresponding with the first look materail tube and the second look materail tube respectively; Heating distance piece is set in the cavity of moulding cover half, this heating distance piece is inserted in its cavity by the outside of moulding cover half, and portable setting, when heating distance piece detaches, the cavity of described moulding cover half becomes single chamber of perforation, when heating distance piece advances, the cavity of described moulding cover half is by every being divided into the two-chamber corresponding with the first moulding dynamic model and the second moulding dynamic model;
2) moulding cover half and the first moulding dynamic model and the second moulding dynamic model phase matched moulds, advance heating distance piece, and the cavity that makes moulding cover half is by every being divided into the two-chamber corresponding with the first moulding dynamic model and the second moulding dynamic model; The first look materail tube and the second look materail tube inject the first look material and the second look material in die cavity simultaneously;
3) detach heating distance piece, make the cavity of moulding cover half become single chamber of perforation, meanwhile, the first look material and the second look material in chamber merge mutually, form Complicated Automobile parts double-shot moulding product.
Further, step 3) in, after the distance piece that also comprises the steps: to generate heat detaches, the first look materail tube and the second look materail tube simultaneous quantitative after-teeming the first look material and the second look material, make it to fill up the space that heating distance piece detaches rear formation.
Further, step 2) in, it also comprises the steps: between the injection temperature of temperature to the first look material and the injection temperature of the second look material of regulation heating distance piece.
Further, step 1) in, described heating distance piece is double-deck heat radiating structure, it comprises first heating layer corresponding with the first moulding dynamic model, and second heating layer corresponding with the second moulding dynamic model.Step 2) in, it also comprises the steps: the injection temperature of the first heating layer to the first look material of regulation heating distance piece, the injection temperature of the second heating layer to the second look material of regulation heating distance piece.
A Complicated Automobile parts bicolor injection mould of implementing described method, is characterized in that, it comprises moulding cover half, the first moulding dynamic model and the second moulding dynamic model; Described the first moulding dynamic model and the second moulding dynamic model are corresponding with the first look materail tube and the second look materail tube respectively; In the cavity of described moulding cover half, be provided with heating distance piece, this heating distance piece is inserted in its cavity by the outside of moulding cover half, and portable setting.
Further, described heating distance piece with telescoping mechanism to being connected.Described heating distance piece is hardware, and its inside is provided with Electrothermic heating fin.
Further, described heating distance piece is double-deck heat radiating structure, and it comprises first heating layer corresponding with the first moulding dynamic model, and second heating layer corresponding with the second moulding dynamic model.
Further, between the first heating layer of described heating distance piece and the second heating layer, be provided with thermal insulation layer.
The invention has the advantages that: automobile component double-shot molding method provided by the invention and mould, by the spacer that movably generates heat in chamber is set, the cavity that makes described moulding cover half is by every being divided into the two-chamber corresponding with the first moulding dynamic model and the second moulding dynamic model, realize the injection moulding simultaneously of the first look material and the second look material, moulding, reach the effect of single injection-molded, avoid bi-color branch profile to criticize the generation of cutting edge of a knife or a sword phenomenon, significantly improved product quality, double-shot moulding product percent of pass is reached more than 99.5%.
It is articles injection-moulded that the present invention can be applicable to large complicated automobile, as products such as grids, bumper, double-colored hidden, also can be applied to the manufacture of the complicated injecting products such as other electronics, electrical equipment.
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is further described.
Accompanying drawing explanation
Fig. 1 be the embodiment of the present invention face sectional structure schematic diagram;
Fig. 2 Fig. 1 overlooks sectional structure schematic diagram;
Fig. 3 faces sectional structure schematic diagram before detaching for heating distance piece;
Fig. 4 be Fig. 3 overlook sectional structure schematic diagram;
Fig. 5 faces sectional structure schematic diagram after detaching for heating distance piece;
Fig. 6 be Fig. 5 overlook sectional structure schematic diagram;
Fig. 7 is the sectional structure schematic diagram of heating distance piece;
In figure: 1. moulding cover half; 2. the first moulding dynamic model; 3. the second moulding dynamic model; 4. the first look materail tube;
5. the second look materail tube; 6. distance piece generates heat; 7. the first heating layer; 8. the second heating layer;
9. thermal insulation layer.
The specific embodiment
Referring to Fig. 1 to Fig. 7, the Complicated Automobile parts double-shot molding method that the present embodiment provides, it comprises the following steps:
1) moulding cover half 1, the first moulding dynamic model 2 and the second moulding dynamic model 3 are set; Described the first moulding dynamic model 2 and the second moulding dynamic model 3 are corresponding with the first look materail tube 4 and the second look materail tube 5 respectively; Heating distance piece 6 is set in the cavity of moulding cover half, this heating distance piece 6 is inserted in its cavity by the outside of moulding cover half 1, and be portable setting, when heating distance piece 6 detaches, the cavity of described moulding cover half 1 becomes single chamber of perforation, when heating distance piece 6 advances, the cavity of described moulding cover half 1 is by every being divided into the two-chamber corresponding with the first moulding dynamic model 2 and the second moulding dynamic model 3; Described heating distance piece 6 is double-deck heat radiating structure, and it comprises first heating layer 7 corresponding with the first moulding dynamic model 2, and second heating layer 8 corresponding with the second moulding dynamic model 3;
2) moulding cover half 1 and the first moulding dynamic model 2 and the second moulding dynamic model 3 phase matched moulds, advance heating distance piece 6, and the cavity that makes moulding cover half 1 is by every being divided into the two-chamber corresponding with the first moulding dynamic model 2 and the second moulding dynamic model 3; The injection temperature of the first heating layer 7 to first look materials of regulation heating distance piece 6, the injection temperature of the second heating layer 8 to second look materials of regulation heating distance piece 6; The first look materail tube 4 and the second look materail tube 5 inject the first look material and the second look material in die cavity simultaneously;
Heating distance piece 6 adopts double-deck heat radiating structure, corresponding the first moulding dynamic model 2 of the first heating layer 7, and during injection moulding, its temperature is mated with the material injection temperature in the first moulding dynamic model 2 chambeies; In like manner, corresponding the second moulding dynamic model 3 of the second heating layer 8, during injection moulding, its temperature is mated with the material injection temperature in the first moulding dynamic model 2 chambeies, the temperature difference when adapting to two kinds of material injection mouldings;
3) detach heating distance piece 6, make the cavity of moulding cover half 1 become single chamber of perforation; After heating distance piece 6 detaches, the first look materail tube 4 and the second look materail tube 5 simultaneous quantitative after-teeming the first look material and the second look materials, make it to fill up the space that heating distance piece 6 detaches rear formation; Meanwhile, the first look material and the second look material in chamber merge mutually, form Complicated Automobile parts double-shot moulding product, have avoided double-colored material die joint to produce batch cutting edge of a knife or a sword simultaneously.
Implement a Complicated Automobile parts bicolor injection mould for described method, it comprises moulding cover half 1, the first moulding dynamic model 2 and the second moulding dynamic model 3; Described the first moulding dynamic model 2 and the second moulding dynamic model 3 are corresponding with the first look materail tube 4 and the second look materail tube 5 respectively; In the cavity of described moulding cover half 1, be provided with heating distance piece 6, this heating distance piece 6 is inserted in its cavity by the outside of moulding cover half 1, and portable setting.
Described heating distance piece 6 with telescoping mechanism to being connected; Described heating distance piece 6 is hardware, and its inside is provided with Electrothermic heating fin.Described heating distance piece 6 is double-deck heat radiating structure, and it comprises first heating layer 7 corresponding with the first moulding dynamic model 2, and second heating layer 8 corresponding with the second moulding dynamic model 3.Between the first heating layer 7 of described heating distance piece 6 and the second heating layer 8, be provided with thermal insulation layer 9.
The present invention is not limited to above-mentioned embodiment, adopts step and the structure identical or approximate with the above embodiment of the present invention, and the mould of other Complicated Automobile parts double-shot molding methods that obtain and enforcement the method, all within protection scope of the present invention.
Claims (10)
1. a Complicated Automobile parts double-shot molding method, is characterized in that, it comprises the following steps:
1) moulding cover half, the first moulding dynamic model and the second moulding dynamic model are set; Described the first moulding dynamic model and the second moulding dynamic model are corresponding with the first look materail tube and the second look materail tube respectively; Heating distance piece is set in the cavity of moulding cover half, this heating distance piece is inserted in its cavity by the outside of moulding cover half, and portable setting, when heating distance piece detaches, the cavity of described moulding cover half becomes single chamber of perforation, when heating distance piece advances, the cavity of described moulding cover half is by every being divided into the two-chamber corresponding with the first moulding dynamic model and the second moulding dynamic model;
2) moulding cover half and the first moulding dynamic model and the second moulding dynamic model phase matched moulds, advance heating distance piece, and the cavity that makes moulding cover half is by every being divided into the two-chamber corresponding with the first moulding dynamic model and the second moulding dynamic model; The first look materail tube and the second look materail tube inject the first look material and the second look material in die cavity simultaneously;
3) detach heating distance piece, make the cavity of moulding cover half become single chamber of perforation, meanwhile, the first look material and the second look material in chamber merge mutually, form Complicated Automobile parts double-shot moulding product.
2. Complicated Automobile parts double-shot molding method according to claim 1, it is characterized in that, step 3) in, after the distance piece that also comprises the steps: to generate heat detaches, the first look materail tube and the second look materail tube simultaneous quantitative after-teeming the first look material and the second look material, make it to fill up the space that heating distance piece detaches rear formation.
3. Complicated Automobile parts double-shot molding method according to claim 1, is characterized in that step 2) in, it also comprises the steps: between the injection temperature of temperature to the first look material and the injection temperature of the second look material of regulation heating distance piece.
4. Complicated Automobile parts double-shot molding method according to claim 1, it is characterized in that step 1) in, described heating distance piece is double-deck heat radiating structure, it comprises first heating layer corresponding with the first moulding dynamic model, and second heating layer corresponding with the second moulding dynamic model.
5. Complicated Automobile parts double-shot molding method according to claim 4, it is characterized in that, step 2) in, it also comprises the steps: the injection temperature of the first heating layer to the first look material of regulation heating distance piece, the injection temperature of the second heating layer to the second look material of regulation heating distance piece.
6. a Complicated Automobile parts double-shot moulding injection mold that implements the claims one of 1 to 5 described method, is characterized in that, it comprises moulding cover half, the first moulding dynamic model and the second moulding dynamic model; Described the first moulding dynamic model and the second moulding dynamic model are corresponding with the first look materail tube and the second look materail tube respectively; In the cavity of described moulding cover half, be provided with heating distance piece, this heating distance piece is inserted in its cavity by the outside of moulding cover half, and portable setting.
7. Complicated Automobile parts double-shot moulding injection mold according to claim 6, is characterized in that, described heating distance piece is hardware, and its inside is provided with Electrothermic heating fin.
8. Complicated Automobile parts double-shot moulding injection mold according to claim 6, it is characterized in that, described heating distance piece is double-deck heat radiating structure, and it comprises first heating layer corresponding with the first moulding dynamic model, and second heating layer corresponding with the second moulding dynamic model.
9. Complicated Automobile parts double-shot moulding injection mold according to claim 6, is characterized in that, between the first heating layer of described heating distance piece and the second heating layer, is provided with thermal insulation layer.
10. Complicated Automobile parts double-shot moulding injection mold according to claim 6, is characterized in that, described heating distance piece with telescoping mechanism to being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410401957.7A CN104191568B (en) | 2014-08-13 | 2014-08-13 | Complicated Automobile parts double-shot molding method and mould thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410401957.7A CN104191568B (en) | 2014-08-13 | 2014-08-13 | Complicated Automobile parts double-shot molding method and mould thereof |
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| CN104191568A true CN104191568A (en) | 2014-12-10 |
| CN104191568B CN104191568B (en) | 2016-08-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322885A (en) * | 2017-08-23 | 2017-11-07 | 震宇（芜湖）实业有限公司 | The injection molding method and mould of double-colored automotive upholstery |
| CN109531922A (en) * | 2018-11-08 | 2019-03-29 | 宁波舜宇模具股份有限公司 | A kind of self-propelled interlayer injection moulding method |
| CN109774073A (en) * | 2019-03-13 | 2019-05-21 | 宁波青山青汽车部件有限公司 | A kind of automobile weather board double-color mold |
| CN111231208A (en) * | 2019-12-25 | 2020-06-05 | 中山市高远精密科技有限公司 | Multi-material injection molding process |
| CN112549439A (en) * | 2020-11-09 | 2021-03-26 | 宁波圣捷喷雾泵有限公司 | Multicolor injection molding piece and injection molding process thereof |
| CN112848064A (en) * | 2021-01-08 | 2021-05-28 | 鹰星精密工业（深圳）有限公司 | Double-color synchronous injection mold and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322885A (en) * | 2017-08-23 | 2017-11-07 | 震宇（芜湖）实业有限公司 | The injection molding method and mould of double-colored automotive upholstery |
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| CN112549439A (en) * | 2020-11-09 | 2021-03-26 | 宁波圣捷喷雾泵有限公司 | Multicolor injection molding piece and injection molding process thereof |
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| CN112848064A (en) * | 2021-01-08 | 2021-05-28 | 鹰星精密工业（深圳）有限公司 | Double-color synchronous injection mold and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104191568B (en) | 2016-08-17 |
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