CN207273727U - The mold for injection molding of double-colored automotive upholstery - Google Patents

The mold for injection molding of double-colored automotive upholstery Download PDF

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Publication number
CN207273727U
CN207273727U CN201721060324.XU CN201721060324U CN207273727U CN 207273727 U CN207273727 U CN 207273727U CN 201721060324 U CN201721060324 U CN 201721060324U CN 207273727 U CN207273727 U CN 207273727U
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CN
China
Prior art keywords
chamber
passage
feeding
double
mold
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Expired - Fee Related
Application number
CN201721060324.XU
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Chinese (zh)
Inventor
田继凯
古金銮
罗奎
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Universal (Wuhu) Industrial Co Ltd
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Universal (Wuhu) Industrial Co Ltd
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Priority to CN201721060324.XU priority Critical patent/CN207273727U/en
Application granted granted Critical
Publication of CN207273727U publication Critical patent/CN207273727U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of mold for injection molding of double-colored automotive upholstery, the double-colored automotive upholstery is included positioned at the transparent area of left part and positioned at the shading region of right part, the mould includes the left chamber of shaping transparent area and the right chamber for being molded shading region, the thick chamber for being more than the right chamber of the chamber of the left chamber is thick, the left chamber and right chamber are mutually communicated, and the top of the left chamber is equipped with right feeding-passage equipped with left feeding-passage, the top of the right chamber;Light raw material is injected into the left chamber by the left feeding-passage, injects dark raw material into the right chamber by the right feeding-passage;The left chamber and the respective volume of the right chamber are calculated, adjusts the charging rate of the left feeding-passage and the charging rate of the right feeding-passage, the left chamber and the right chamber is synchronously full of by corresponding raw material.

Description

The mold for injection molding of double-colored automotive upholstery
Technical field
The present invention relates to injection molding technology field, more particularly, to a kind of injection molded mould of double-colored automotive upholstery Tool.The invention further relates to a kind of mold for injection molding of double-colored automotive upholstery.
Background technology
At present, common dual-color plastic product is to utilize two molds, first completes one and penetrates injection, passes through machine rotational work Can, mould carries out quadric injection mould before replacement.Have a disadvantage in that:(1)Two molds are needed, die cost is high;(2)Mould structure is complicated And required precision is high, it is desirable to which mould and respective accessory possess interaction of reporting to the leadship after accomplishing a task before and after four pieces of mould;(3)Production process needs completion two Secondary injection molding, production cycle length;(4)Two molds produce, and the gate materials of generation are more.
The content of the invention
The object of the present invention is to provide a kind of mold for injection molding of double-colored automotive upholstery, it has, and cost is relatively low, imitates The characteristics of rate is higher.The invention also discloses a kind of mold for injection molding of double-colored automotive upholstery.
First technical solution of the present invention be:
The mold for injection molding of double-colored automotive upholstery, the double-colored automotive upholstery include the transparent area and position positioned at left part Separated between the shading region of right part, the transparent area and shading region by a product interface, the double-colored automotive trim The mold for injection molding of part comprises the following steps:
1)Choose mould, which includes the left chamber of shaping transparent area and right chamber for being molded shading region, the left chamber and Right chamber is separated by a cavity-bounding surface, and the thick chamber for being more than the right chamber of chamber of the left chamber is thick, and the left chamber and right chamber are mutual Perforation, meanwhile, the top of the left chamber is equipped with right feeding-passage equipped with left feeding-passage, the top of the right chamber;
2)Light raw material is injected into the left chamber by the left feeding-passage, meanwhile, by the right feeding-passage to the right side The dark raw material of intracavitary injection;And
The left chamber and the respective volume of the right chamber are calculated, according to the size of volume, the charging for adjusting the left feeding-passage is fast The charging rate of degree and the right feeding-passage, makes the left chamber and the right chamber are synchronously full of by corresponding raw material.
The light color raw material is close with the physical property of dark raw material.
Second technical solution of the present invention be:
The mold for injection molding of double-colored automotive upholstery, the double-colored automotive upholstery include the transparent area and position positioned at left part Separated between the shading region of right part, the transparent area and shading region by a product interface, the double-colored automotive trim The mold for injection molding of part includes the left chamber of shaping transparent area and the right chamber for being molded shading region, and the left chamber and right chamber pass through one Cavity-bounding surface is separated, and the thick chamber for being more than the right chamber of chamber of the left chamber is thick, and the left chamber and right chamber are mutually communicated, meanwhile, The top of the left chamber is equipped with left feeding-passage, the top of the right chamber is equipped with right feeding-passage.
The invention has the advantages that compared with the prior art,:Cost is relatively low, efficiency is higher.The double-colored automobile of the present invention Original two mold is changed to one set of die injection by the mold for injection molding of inside gadget, and it is double that removing requires production equipment to possess Outside gun barrel, other require consistent with monochromatic mould, and do not have interaction requirement to mould, reduce mould processing charges. Meanwhile simplify production stage, it is only necessary to which an injection molded, shortens the production cycle, can effectively improve production efficiency, shows Write the economic benefit for adding injection factory.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples:
Fig. 1 is the top view of double-colored automotive upholstery in the embodiment of the present invention;
Fig. 2 is the front sectional view of mould in the embodiment of the present invention.
In figure:
11st, transparent area, 12, shading region, o, product interface;
100th, mould, 101, left chamber, 1011, left feeding-passage, 102, right chamber, 1021, right feeding-passage, O ', die cavity point Interface.
Embodiment
Embodiment 1
The mold for injection molding of double-colored automotive upholstery, is used to prepare the double-colored inside gadget such as automobile button.
As shown in Figure 1, which is included positioned at the transparent area 11 of left part and positioned at the shading region 12 of right part, Separated between the transparent area 11 and shading region 12 by a product interface o.Obviously, product interface o is virtual boundary Face.For example the transparent area 11 is used for radium-shine character occur, which is used to install indicator light.
With reference to shown in Fig. 2, the mold for injection molding 100 of the double-colored automotive upholstery includes the left chamber of shaping transparent area 11 101 and for being molded the right chamber 102 of shading region 12.The left chamber 101 and right chamber 102 are separated by a cavity-bounding surface o '. Obviously, cavity-bounding surface o ' is also virtual interface.The thick chamber for being more than the right chamber 102 of the chamber of the left chamber 101 is thick, and the left chamber 101 and right chamber 102 be mutually communicated.That is, the wall thickness of the transparent area 11 of the left chamber 101 preparation is more than screening prepared by the right chamber 102 The wall thickness in light area 12.Meanwhile the top of the left chamber 101 is equipped with left feeding-passage 1011, the top of the right chamber 102 is equipped with right charging Passage 1021.That is, original technology is substituted by the way of a mould to prepare double-colored automotive upholstery using two molds Mode.
Embodiment 2
The mold for injection molding of double-colored automotive upholstery comprises the following steps:
1)Choose mould 100.So-called selection, is not only included in storehouse the mode such as take, can also necessarily include preparing The mode of the mould 100.The mould 100 uses the mold for injection molding 100 of the double-colored automotive upholstery described in embodiment 1.
2)Light raw material is injected into the left chamber 101 by the left feeding-passage 1011, meanwhile, pass through the right feeding-passage 1021 inject dark raw material into the right chamber 102.
More specifically:
The left chamber 101 and the 102 respective volume of right chamber are calculated, according to the size of volume, adjusts the left feeding-passage The charging rate of 1011 charging rate and the right feeding-passage 1021, makes the left chamber 101 and the right chamber 102 by corresponding raw material Synchronously it is full of.For example the volumetric ratio of the left chamber 101 and the right chamber 102 is 2:1, then the charging rate of the left feeding-passage 1011 Charging rate ratio with the right feeding-passage 1021 should be 1:2, filled out at the same time so as to reach the left chamber 101 and the right chamber 102 It is full.Wherein, so-called charging rate, refers to entering corresponding cavity in the unit interval(Including left chamber and right chamber)Interior raw material Amount.
Optimization:
Light raw material used is close with the physical property of dark raw material.For example light raw material is using PC2047 whites material, dark color Raw material uses PC2045 black materials.It so, it is possible to realize light raw material and dark raw material mutually melting at product interface o Close.
In conclusion original two mold is changed to one by the mold for injection molding of the double-colored automotive upholstery of the present invention Mold is molded, and does not have interaction requirement to mould, reduces mould processing charges.Meanwhile production stage is simplified, shorten Production cycle, production efficiency can be effectively improved.
The foregoing is merely the preferred embodiment of the present invention, is not intended to limit the scope of the invention, every utilization The equivalent structure or equivalent flow shift that description of the invention and accompanying drawing content are made, it is related to be directly or indirectly used in other Technical field, be included within the scope of the present invention.

Claims (1)

1. the mold for injection molding of double-colored automotive upholstery, which includes the transparent area positioned at left part(11)With Positioned at the shading region of right part(12), the transparent area(11)And shading region(12)Between pass through a product interface(o)Separated, It is characterized in that:The mold for injection molding of the double-colored automotive upholstery(100)Including being molded transparent area(11)Left chamber(101) With for being molded shading region(12)Right chamber(102), the left chamber(101)And right chamber(102)Pass through a cavity-bounding surface(o’)Give To separate, the left chamber(101)Chamber thick be more than the right chamber(102)Chamber it is thick, and the left chamber(101)And right chamber(102)Mutually pass through It is logical, meanwhile, the left chamber(101)Top be equipped with left feeding-passage(1011), the right chamber(102)Top be equipped with right feeding-passage (1021).
CN201721060324.XU 2017-08-23 2017-08-23 The mold for injection molding of double-colored automotive upholstery Expired - Fee Related CN207273727U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721060324.XU CN207273727U (en) 2017-08-23 2017-08-23 The mold for injection molding of double-colored automotive upholstery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721060324.XU CN207273727U (en) 2017-08-23 2017-08-23 The mold for injection molding of double-colored automotive upholstery

Publications (1)

Publication Number Publication Date
CN207273727U true CN207273727U (en) 2018-04-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721060324.XU Expired - Fee Related CN207273727U (en) 2017-08-23 2017-08-23 The mold for injection molding of double-colored automotive upholstery

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180427

Termination date: 20210823

CF01 Termination of patent right due to non-payment of annual fee