CN105711034B - A kind of Shooting Technique - Google Patents
A kind of Shooting Technique Download PDFInfo
- Publication number
- CN105711034B CN105711034B CN201610157377.7A CN201610157377A CN105711034B CN 105711034 B CN105711034 B CN 105711034B CN 201610157377 A CN201610157377 A CN 201610157377A CN 105711034 B CN105711034 B CN 105711034B
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- CN
- China
- Prior art keywords
- flexible glue
- injection molding
- injection
- degree
- hardness
- 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.)
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- 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
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2221/00—Use of unspecified rubbers as reinforcement
- B29K2221/003—Thermoplastic elastomers
Abstract
The present invention relates to a kind of Shooting Techniques, include the following steps：(1) the first flexible glue is used to carry out first time injection molding, the hardness of first flexible glue is 65~85 degree；(2) the second flexible glue is used to carry out second of injection molding, the hardness of second flexible glue is 65~75D.The Shooting Technique twice of this Shooting Technique is all made of flexible glue (the first flexible glue and the second flexible glue).Because the injection temperature of flexible glue, injection pressure are below ebonite, and the temperature of the second flexible glue of second of injection molding use and pressure are low, and then can reach molding purpose, so that will not the first flexible glue of first time injection molding be burnt yellow or crimp.
Description
Technical field
The present invention relates to a kind of Shooting Techniques, belong to injection molding technology field.
Background technology
The principle of traditional plastic cement post forming is：Molding ebonite for the first time, second of molding flexible glue (covering beer).Because hard
Gum forming injection pressure is big (conventional injection pressure is 80~120MPa), and temperature is high (conventional injection temperature is 300 DEG C or so)；Such as
Reversed order comes, and flexible glue can be burnt Huang by the excessively high injection temperature of ebonite；And the excessively high injection pressure of ebonite can squeeze flexible glue
Deformation.
To realize ebonite and flexible glue by injection molding twice at one piece, can be after first time be molded ebonite, then will be hard
Glue is placed on inside the mold of flexible glue and is molded for second.But if pressing above-mentioned mould structure, mold and injection molding cannot achieve.
Invention content
Technical problem to be solved by the invention is to provide a kind of Shooting Technique that can solve mold and injection molding hardly possible, this injection moldings
Technique can effectively enhance the intensity of product.
Shooting Technique of the present invention, includes the following steps：
(1) the first flexible glue is used to carry out first time injection molding, the hardness of first flexible glue is 65~85 degree；
(2) the second flexible glue is used to carry out second of injection molding, the hardness of second flexible glue is 65~75D.
The hardness of first flexible glue be specifically as follows 66 degree, 67 degree, 68 degree, 69 degree, 70 degree, 71 degree, 72 degree, 73 degree, 74 degree,
75 degree, 76 degree, 77 degree, 78 degree, 79 degree, 80 degree, 81 degree, 82 degree, 83 degree or 84 degree；The hardness of second flexible glue is specifically as follows
66D, 67D, 68D, 69D, 70D, 71D, 72D, 73D, 74D or 75D.
Preferably, the injection pressure of second of injection molding be 30~40MPa, such as 31MPa, 32MPa, 33MPa,
34MPa, 35MPa, 36MPa, 37MPa, 38MPa or 39MPa.
Preferably, the injection temperature of second of injection molding be 180~200 DEG C, such as 181 DEG C, 182 DEG C, 183
℃、184℃、185℃、186℃、187℃、188℃、189℃、190℃、191℃、192℃、193℃、194℃、195℃、
196 DEG C, 197 DEG C, 198 DEG C or 199 DEG C.
Preferably, second flexible glue is TPU (thermoplastic polyurethane elastomer rubber) and/or TPE (thermoplastic elastics
Body).When the second flexible glue is the mixture of TPU and TPE, proportioning between the two is not particularly limited, and is adjusted according to actual demand
It is whole.
Preferably, the injection pressure of the first time injection molding be 40~50MPa, such as 41MPa, 42MPa, 43MPa,
44MPa, 45MPa, 46MPa, 47MPa, 48MPa or 49MPa..
Preferably, the injection temperature of the first time injection molding be 180~200 DEG C, such as 181 DEG C, 182 DEG C, 183
℃、184℃、185℃、186℃、187℃、188℃、189℃、190℃、191℃、192℃、193℃、194℃、195℃、
196 DEG C, 197 DEG C, 198 DEG C or 199 DEG C.
Preferably, first flexible glue be TPU (thermoplastic polyurethane elastomer rubber), TPE (thermoplastic elastomer (TPE)),
One or more of TPSIV (silicon substrate thermoplastic sulfurized rubber), TPF (organic fluoride class).The combination is typical non-exclusively
For the combination of TPU and TPE, the combination of TPU and TPSIV, the combination of TPSIV and TPF, the combination etc. of TPU, TPE and TPSIV.When
When first flexible glue is mixture, the proportioning between each component adjusts according to actual needs.
Preferably, in step (1), first time injection molding is carried out using the first different flexible glue of two kinds of colors, both
The hardness of the first different flexible glue of color is respectively 65~85 degree.I.e. first time injection molding is double-shot moulding, is then existed
Second of injection molding is carried out on the basis of double-shot moulding.
First time injection molding that the present invention refers to, second of injection molding all need to complete by injection mold, are molded
The concrete shape and structure of mold are depending on product.In addition, the present invention mainly defines first time injection molding, notes for second
It is moulded into raw material, injection pressure and injection temperature needed for type；Therefore utensil needed for first time injection molding, second of injection molding or
Shooting Technique condition is referring to the relevant technologies.
Compared with the prior art, the advantages of the present invention are as follows：The Shooting Technique twice of this Shooting Technique is all made of flexible glue (
One flexible glue and the second flexible glue).Because the injection temperature of flexible glue, injection pressure are below ebonite, and second of injection molding uses
The second flexible glue temperature and pressure it is low, and then molding purpose can be reached, to will not be by the of first time injection molding
One flexible glue burns yellow or crimp.
In addition, because the hardness of the second flexible glue of second of injection molding use is higher, it also can effectively enhance the hardness of product.
To sum up, this Shooting Technique can solve the problems, such as prior art mold and injection molding, while can enhance product hardness again.
Description of the drawings
Fig. 1 is using the molding product structure schematic diagram of 1 Shooting Technique of embodiment；
Fig. 2 is the enlarged diagram of Fig. 1 components As；
Fig. 3 is using the molding product structure schematic diagram of 2 Shooting Technique of embodiment.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
Embodiment 1
Current embodiment require that the product of injection molding is as shown in Figure 1, Fig. 2 is the specific molded portion of this product, when injection molding
The injection mold of use is formulated according to product structure.
The specific Shooting Technique of the present embodiment product includes the following steps：
(1) first time injection molding；For the first flexible glue 1, the first flexible glue 1 needs to meet its hardness the raw material that this step uses
In the range of 65~85 degree, such as TPU, TPE, TPSIV or TPF, first flexible glue 1 of the present embodiment is specially TPU.This step
Rapid injection pressure is 40MPa, and injection temperature is 180 DEG C；
(2) second of injection molding；For the second flexible glue 2, the second flexible glue 2 needs to meet its hardness the raw material that this step uses
In the range of 65~75D, such as TPU or TPE.Second flexible glue 2 of the present embodiment is specially TPE.The injection molding pressure of this step
Power is 30MPa, and injection temperature is 180 DEG C.
Other operation, condition and techniques of the present embodiment injection molding are referring to the relevant technologies.
The present embodiment can carry out second of injection molding on the basis of flexible glue, to solve injection molding it is upper for the first time at
The problem of type flexible glue, second of molding ebonite, and then improve the expressive force of product.
Embodiment 2
The present embodiment difference from Example 1 is：First flexible glue used in first time injection molding is TPSIV, injection molding
Pressure is 45MPa, and injection temperature is 190 DEG C；Second flexible glue used in first time injection molding be TPU, injection pressure 35MPa,
Injection temperature is 190 DEG C.
Embodiment 3
The present embodiment difference from Example 1 is：First flexible glue used in first time injection molding is TPF, injection molding pressure
Power is 50MPa, and injection temperature is 200 DEG C；Second flexible glue used in first time injection molding is TPU, injection pressure 40MPa, note
It is 200 DEG C to mould temperature.
Embodiment 4
Current embodiment require that the injection mold that the product of injection molding uses when as shown in figure 3, being molded is according to product structure
And it formulates.
The specific Shooting Technique of the present embodiment product includes the following steps：
(1) first time injection molding；This step carries out double-shot moulding using the first different flexible glue 1 of two kinds of colors, this two
The first flexible glue 1 of kind all needs to meet its hardness in the range of 65~85 degree, such as TPU, TPE, TPSIV or TPF, this implementation
First flexible glue 1 of example is specially the different TPU and TPF of color.The injection pressure of this step is 40MPa, injection temperature 180
℃；
(2) second of injection molding；For the second flexible glue 2, the second flexible glue 2 needs to meet its hardness the raw material that this step uses
In the range of 65~75D, such as TPU or TPE.Second flexible glue 2 of the present embodiment is specially TPE, color with two kinds the
One flexible glue 1 is all different.The injection pressure of this step is 30MPa, and injection temperature is 180 DEG C.
The present embodiment specifically carries out second of injection molding (covering beer) on the basis of double-shot moulding, and then reaches product
The effect of three kinds of colors of injection molding.It is adjusted by the hardness of the second flexible glue 2, hardness is suitably turned down, and the strong of product can be also increased
Degree.
Embodiment 5
The present embodiment difference from Example 2 is：First time injection molding is using different first soft of two kinds of colors
Glue carries out double-shot moulding, both first flexible glues are respectively TPE and TPSIV.
Embodiment 6
The present embodiment difference from Example 3 is：First time injection molding is using different first soft of two kinds of colors
Glue carries out double-shot moulding, both first flexible glues are respectively TPF and TPSIV.
The above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (2)
1. a kind of Shooting Technique, which is characterized in that include the following steps：
(1) the first flexible glue is used to carry out first time injection molding, the hardness of first flexible glue is 65 ~ 85 degree；
(2) the second flexible glue is used, second of injection molding is carried out on the product that the first flexible glue injection molding obtains, it is described
The hardness of second flexible glue is 65 ~ 75D；
The injection pressure of second of injection molding is 30 ~ 40MPa；
The injection temperature of second of injection molding is 180 ~ 200 DEG C；
Second flexible glue is TPE；
The injection pressure of the first time injection molding is 40 ~ 50MPa；
The injection temperature of the first time injection molding is 180 ~ 200 DEG C；
First flexible glue is one or more of TPU, TPSIV, TPF.
2. Shooting Technique as described in claim 1, it is characterised in that：In step (1), using different first soft of two kinds of colors
Glue carries out first time injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157377.7A CN105711034B (en) | 2016-03-18 | 2016-03-18 | A kind of Shooting Technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157377.7A CN105711034B (en) | 2016-03-18 | 2016-03-18 | A kind of Shooting Technique |
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| Publication Number | Publication Date |
|---|---|
| CN105711034A CN105711034A (en) | 2016-06-29 |
| CN105711034B true CN105711034B (en) | 2018-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610157377.7A Active CN105711034B (en) | 2016-03-18 | 2016-03-18 | A kind of Shooting Technique |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107962732A (en) * | 2017-12-21 | 2018-04-27 | 芜湖精益达模塑股份有限公司 | A kind of Shooting Technique of feed |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700053A (en) * | 2012-06-26 | 2012-10-03 | 东莞劲胜精密组件股份有限公司 | In-mold labeling process |
| CN101966740B (en) * | 2010-09-30 | 2013-06-26 | 凡嘉科技（无锡）有限公司 | Method for molding soft plastic on hard plastic product and mold design method thereof |
| CN105124869A (en) * | 2015-09-15 | 2015-12-09 | 广东小天才科技有限公司 | Watchband and making method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0404583D0 (en) * | 2004-03-01 | 2004-04-07 | Glaxosmithkline Consumer Healt | Process |
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2016
- 2016-03-18 CN CN201610157377.7A patent/CN105711034B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101966740B (en) * | 2010-09-30 | 2013-06-26 | 凡嘉科技（无锡）有限公司 | Method for molding soft plastic on hard plastic product and mold design method thereof |
| CN102700053A (en) * | 2012-06-26 | 2012-10-03 | 东莞劲胜精密组件股份有限公司 | In-mold labeling process |
| CN105124869A (en) * | 2015-09-15 | 2015-12-09 | 广东小天才科技有限公司 | Watchband and making method thereof |
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| Publication number | Publication date |
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| CN105711034A (en) | 2016-06-29 |
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