CN110936552B - Multicolor or different physical property rubber injection molding process - Google Patents
Multicolor or different physical property rubber injection molding process Download PDFInfo
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- CN110936552B CN110936552B CN201911349438.XA CN201911349438A CN110936552B CN 110936552 B CN110936552 B CN 110936552B CN 201911349438 A CN201911349438 A CN 201911349438A CN 110936552 B CN110936552 B CN 110936552B
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- pigment
- different physical
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- multicolor
- injection molding
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A multicolor rubber injection molding process with different physical properties comprises the following steps: the method comprises the following steps: prefabricating a pigment and an isolating layer; step two: rolling the pigment and punching the shape; step three: pressing the pigment into the mold cavity and tightly fitting the mold cavity; step four: attaching the isolation layer to the pigment; step five: vacuumizing and injecting rubber raw materials; step six: taking out the finished product after vulcanization molding. The advantage lies in, presses substrate (injection material) or places purpose-made screen cloth above the colouring material, can make the injection material form certain isolation through purpose-made screen cloth and colouring material, can not take away the colouring material and lead to the color mixing, and simultaneously, the screen cloth can also increase the intensity of goods.
Description
Technical Field
The invention belongs to the field of rubber injection molding, and particularly relates to a multicolor or different-physical-property rubber injection molding process.
Background
In traditional rubber injection moulding field, the rubber material of different colours and rerum natura is difficult to carry out injection moulding on same product, but, the rubber material who adopts single material usually carries out injection moulding, however, along with people have higher requirement to product style and characteristics now, need be on same product, the rubber material of different colours or different rerum natura of injection moulding simultaneously adopts current production technology, because rubber materials is in the injection process, take away colouring material (different colours, different rerum natura) easily, and take place to cross the colour, can't realize.
Disclosure of Invention
In order to solve the problems, the invention can realize a multicolor rubber injection molding process with different physical properties, which simultaneously performs injection molding on rubber materials with different physical properties on the same product.
In order to achieve the above purpose, the invention is solved by the following technical scheme: a multicolor or different physical property rubber injection molding process comprises the following steps:
the method comprises the following steps: prefabricating pigment or materials with different physical properties, and rolling;
step two: prefabricating a base material, rolling and punching the outline;
step three: blanking the pigment, and placing the blanked pigment or different physical materials into a die cavity, or rubbing and kneading the pigment into the die cavity to be tightly attached to the die cavity;
step four: placing the base material after blanking above the pigment or the materials with different physical properties;
step five: vacuumizing and injecting rubber raw materials;
step six: taking out the finished product after vulcanization molding.
Further, the outline of the rubber base material after rolling and blanking is larger than that of the pigment or the material with different physical properties after rolling and blanking.
The invention has the advantages that:
because the rubber injection process is to inject the rubber material into the die cavity through the injection hole, the rubber material has fluidity in the die cavity, and the pigment (or materials with different physical properties) which is put in advance is easily taken away in the flowing process, so that the color mixing is caused; and the base material (injection material) is pressed above the pigment, so that the injection material can not carry away the pigment to cause color cross through changing a flow channel of the injection rubber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
A multicolor or different physical property rubber injection molding process comprises the following steps:
the method comprises the following steps: prefabricating and rolling the pigment to a required thickness;
step two: prefabricating a base material, rolling to a required thickness, and blanking the outline;
step three: blanking the pigment, placing the blanked pigment block into a die cavity, or rubbing and kneading the pigment block into the die cavity (commonly called as color register), and tightly fitting the color register with the die cavity;
step four: placing the base material above the pigment, wherein the base material completely covers the pigment;
step five: vacuumizing and injecting rubber raw materials;
step six: taking out the finished product after vulcanization molding.
The outline of the rubber base material after rolling and blanking is larger than that of the pigment after rolling and blanking. The rubber base material is attached to the pigment, so that a flow channel of the injection material is changed, and the direct contact with the pigment is avoided, and the color mixing caused by taking away the pigment can be avoided.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that the present embodiments be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (2)
1. A multicolor or different-physical-property rubber injection molding process is characterized by comprising the following steps of:
the method comprises the following steps: prefabricating pigment or materials with different physical properties, and rolling;
step two: prefabricating a base material, rolling and punching the outline, wherein the material of the base material is the same as that of the injection material;
step three: blanking the pigment or different physical materials, and placing the blanked pigment or different physical materials into a die cavity, or rubbing and pressing the pigment or different physical materials into the die cavity to be tightly attached to the die cavity;
step four: placing the base material after blanking above the pigment or the materials with different physical properties;
step five: vacuumizing and injecting rubber raw materials;
step six: taking out the finished product after vulcanization molding.
2. The process of claim 1, wherein the profile of the base material after roll blanking is larger than the profile of the pigment or different physical material after roll blanking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911349438.XA CN110936552B (en) | 2019-12-24 | 2019-12-24 | Multicolor or different physical property rubber injection molding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911349438.XA CN110936552B (en) | 2019-12-24 | 2019-12-24 | Multicolor or different physical property rubber injection molding process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110936552A CN110936552A (en) | 2020-03-31 |
| CN110936552B true CN110936552B (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201911349438.XA Active CN110936552B (en) | 2019-12-24 | 2019-12-24 | Multicolor or different physical property rubber injection molding process |
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| CN (1) | CN110936552B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0623794A (en) * | 1992-07-10 | 1994-02-01 | Sanko Kk | Two-color molding method and injection molding device for plastic article |
| CN101143479A (en) * | 2007-10-17 | 2008-03-19 | 余新军 | Dual-color label forming method |
| CN201416256Y (en) * | 2009-06-10 | 2010-03-03 | 厦门市金汤橡塑有限公司 | Compounded rubber floor mat |
| CN108858972A (en) * | 2018-06-29 | 2018-11-23 | 华域视觉科技(上海)有限公司 | It is a kind of by being rationally layered the method for solving multi-color injection molded part colour mixture defect, a kind of multi-color injection molded part, a kind of automobile lamp |
| CN110370521A (en) * | 2019-08-26 | 2019-10-25 | 东莞市霖杰硅胶制品有限公司 | A kind of dual-color silica gel vessel and preparation method thereof |
| CN110421784A (en) * | 2019-08-20 | 2019-11-08 | 温州富成机械有限公司 | A kind of injection molding of rubber technique of polychrome difference physical property |
-
2019
- 2019-12-24 CN CN201911349438.XA patent/CN110936552B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0623794A (en) * | 1992-07-10 | 1994-02-01 | Sanko Kk | Two-color molding method and injection molding device for plastic article |
| CN101143479A (en) * | 2007-10-17 | 2008-03-19 | 余新军 | Dual-color label forming method |
| CN201416256Y (en) * | 2009-06-10 | 2010-03-03 | 厦门市金汤橡塑有限公司 | Compounded rubber floor mat |
| CN108858972A (en) * | 2018-06-29 | 2018-11-23 | 华域视觉科技(上海)有限公司 | It is a kind of by being rationally layered the method for solving multi-color injection molded part colour mixture defect, a kind of multi-color injection molded part, a kind of automobile lamp |
| CN110421784A (en) * | 2019-08-20 | 2019-11-08 | 温州富成机械有限公司 | A kind of injection molding of rubber technique of polychrome difference physical property |
| CN110370521A (en) * | 2019-08-26 | 2019-10-25 | 东莞市霖杰硅胶制品有限公司 | A kind of dual-color silica gel vessel and preparation method thereof |
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| Publication number | Publication date |
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| CN110936552A (en) | 2020-03-31 |
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