CN111231208A - Multi-material injection molding process - Google Patents
Multi-material injection molding process Download PDFInfo
- Publication number
- CN111231208A CN111231208A CN202010020422.0A CN202010020422A CN111231208A CN 111231208 A CN111231208 A CN 111231208A CN 202010020422 A CN202010020422 A CN 202010020422A CN 111231208 A CN111231208 A CN 111231208A
- Authority
- CN
- China
- Prior art keywords
- glue
- injection
- injecting
- glue injection
- injection molding
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 57
- 238000001746 injection moulding Methods 0.000 title claims abstract description 32
- 239000003292 glue Substances 0.000 claims abstract description 117
- 238000002347 injection Methods 0.000 claims abstract description 82
- 239000007924 injection Substances 0.000 claims abstract description 82
- 238000000034 method Methods 0.000 claims abstract description 33
- 239000000243 solution Substances 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000465 moulding Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000002991 molded plastic Substances 0.000 description 3
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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
-
- 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
- B29C45/03—Injection moulding apparatus
-
- 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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/76—Measuring, controlling or regulating
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a multi-material injection molding process, which comprises the following steps: the method comprises a machine and mold preparation process and a glue injection process, wherein the machine and mold preparation process specifically comprises the steps of configuring an injection molding machine with a plurality of glue injection ports, wherein the number of the glue injection ports corresponds to the number of material types, and mutually independent glue injection ports and flow channels are formed in a mold according to the number of the material types; the glue injection process specifically comprises the steps of butting the glue injection ports corresponding to the material types on the injection molding machine with the glue injection ports of the mold and injecting glue simultaneously, wherein each glue injection port is used for conveying one type of material, and the corresponding material reaches the preset separation position of different materials by controlling the glue injection parameters of the glue solution.
Description
Technical Field
The invention relates to the field of injection molding, in particular to a multi-material injection molding process.
Background
In traditional many materials or polychrome are moulded plastics, need set for a plurality of stations of moulding plastics on the board of moulding plastics, each station of moulding plastics is used for moulding plastics the material of a type, after having moulded plastics a material, shifts the mould to next station and carries out the moulding plastics of another material, finally reaches the effect that many materials were moulded plastics, but the injection moulding product can appear that material weld mark is obvious, the mixed color of colours, seam bonding strength is not enough scheduling problem, and work efficiency is lower, high in production cost.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and provides a multi-material injection molding process which can improve the product combination effect and improve the production efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a multi-material injection molding process comprising: a machine and mold preparation process and a glue injection process, wherein the machine and mold preparation process specifically comprises the steps of configuring an injection molding machine with a plurality of glue injection ports, wherein the number of the glue injection ports corresponds to the number of material types, and arranging mutually independent glue injection ports and flow channels on a mold according to the number of the material types, so that each glue injection port and flow channel are only used for conveying one type of material; the glue injection process specifically comprises the steps of butting glue injection ports corresponding to material types on the injection molding machine with glue injection ports of the mold and injecting glue at the same time, wherein each glue injection port is used for conveying one type of material, and the corresponding material reaches preset separation positions of different materials by controlling glue injection parameters of glue solution.
One of the above technical solutions has at least one of the following advantages or beneficial effects: because of simultaneous injection molding, the glue solution can keep higher fluidity and temperature when the separation positions are combined, so that the combination effect of different materials is better, the structural strength is higher after combination, the injection molding time is shortened, and the production efficiency is improved.
According to some embodiments of the invention, in the glue injection process, glue injection is performed on different material types according to set glue injection parameters, and the set values can be obtained directly according to experience of operators or according to a test glue injection process, so as to improve the injection molding efficiency.
According to some embodiments of the present invention, the method further comprises a test glue injection process, wherein the test glue injection process comprises: butting the glue injecting ports corresponding to the types of the materials with the glue injecting ports and injecting glue at the same time, wherein each glue injecting port is used for conveying one type of the materials, injecting the glue into the mold cavity at different flow rates and/or glue injecting time by controlling the glue solution, continuously performing the glue injecting process until different materials are molded at preset separation positions, and recording corresponding glue injecting parameter data; the glue injection process sets glue injection parameters of different types of glue solutions according to glue injection parameter data obtained in the glue injection test process, during actual production, the glue injection test process can be carried out when a mould is used for the first time to obtain a better data value, and then the data is continuously used for injection molding in the subsequent injection molding process, so that the injection molding production efficiency can be improved.
According to some embodiments of the present invention, the glue injection parameters are a flow speed and/or a flow rate and/or a glue injection time and/or a glue injection pressure, and the volume, the injection speed, and the like of the glue solution can be controlled through the glue injection parameters.
Detailed Description
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
A multi-material injection molding process comprising: a machine and mold preparation process and a glue injection process, wherein the machine and mold preparation process specifically comprises the steps of configuring an injection molding machine with a plurality of glue injection ports, wherein the number of the glue injection ports corresponds to the number of material types, and arranging mutually independent glue injection ports and flow channels on a mold according to the number of the material types, so that each glue injection port and flow channel are only used for conveying one type of material; the glue injection process specifically comprises the steps of butting the glue injection ports corresponding to the material types on the injection molding machine with the glue injection ports of the mold and injecting glue simultaneously, wherein each glue injection port is used for conveying one type of material, and the corresponding material reaches the preset separation position of different materials by controlling the glue injection parameters of the glue solution.
The injection molding machine station with a plurality of injection openings can be transformed through the existing multi-material injection molding machine, and only a plurality of injection openings are transferred to the injection openings on the mold to correspond to the injection openings, so that detailed description is omitted.
According to some embodiments of the invention, in the glue injection process, glue injection is performed on different material types according to set glue injection parameters, and the set values can be obtained directly according to experience of operators or according to a test glue injection process, so as to improve the injection molding efficiency.
According to some embodiments of the present invention, the method further comprises a test glue injection process, wherein the test glue injection process comprises: butting the glue injecting ports corresponding to the types of the materials with the glue injecting ports and injecting glue at the same time, wherein each glue injecting port is used for conveying one type of the materials, injecting the glue into the mold cavity at different flow rates and/or glue injecting time by controlling the glue solution, continuously performing the glue injecting process until different materials are molded at preset separation positions, and recording corresponding glue injecting parameter data; the glue injection process sets glue injection parameters of different types of glue solutions according to glue injection parameter data obtained in the glue injection test process, during actual production, the glue injection test process can be carried out when a mould is used for the first time to obtain a better data value, and then the data is continuously used for injection molding in the subsequent injection molding process, so that the injection molding production efficiency can be improved.
According to some embodiments of the present invention, the glue injection parameters are a flow speed and/or a flow rate and/or a glue injection time and/or a glue injection pressure, and the volume, the injection speed, and the like of the glue solution can be controlled through the glue injection parameters.
It is readily understood by those skilled in the art that the above-described preferred modes can be freely combined and superimposed without conflict.
While the embodiments of the present invention have been described in detail, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. A multi-material injection molding process is characterized by comprising the following steps:
a machine table and mould preparation procedure, wherein an injection molding machine table with a plurality of injection ports is configured, the number of the injection ports corresponds to the number of the material types, and the injection ports and the flow channels which are mutually independent are arranged on the mould according to the number of the material types;
and in the glue injection process, the glue injection ports corresponding to the types of the materials are butted and injected with glue at the same time, each glue injection port is used for conveying one type of the materials, and the corresponding materials reach preset separation positions of different materials by controlling glue injection parameters of glue solution.
2. A multi-material injection molding process according to claim 1,
in the glue injection process, glue is injected according to different material types according to set glue injection parameters.
3. A multi-material injection molding process according to claim 2,
still include a test injecting glue process, test injecting glue process is: butting the glue injecting ports corresponding to the types of the materials with the glue injecting ports and injecting glue at the same time, wherein each glue injecting port is used for conveying one type of the materials, injecting the glue into the mold cavity at different flow rates and/or glue injecting time by controlling the glue solution, continuously performing the glue injecting process until different materials are molded at preset separation positions, and recording corresponding glue injecting parameter data;
and the glue injection process sets glue injection parameters of different types of glue solutions according to the glue injection parameter data obtained in the test glue injection process.
4. A multi-material injection molding process according to claim 1, 2 or 3,
the glue injection parameters are the flow speed and/or flow and/or glue injection time and/or glue injection pressure of glue injection.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911352955 | 2019-12-25 | ||
| CN2019113529552 | 2019-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111231208A true CN111231208A (en) | 2020-06-05 |
Family
ID=70866586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010020422.0A Pending CN111231208A (en) | 2019-12-25 | 2020-01-09 | Multi-material injection molding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111231208A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110942A (en) * | 1993-12-22 | 1995-11-01 | 康麦有限公司 | Process and apparatus for coinjection molding of articles having complex shape |
| CN102189655A (en) * | 2010-03-03 | 2011-09-21 | 福罗西塑胶汽车系统有限公司 | Injection-molding process |
| CN104191568A (en) * | 2014-08-13 | 2014-12-10 | 东莞市旭通达模具塑胶有限公司 | Double-color injection molding method and mold of complicated automobile parts |
| CN106514946A (en) * | 2016-10-31 | 2017-03-22 | 羽田电子科技(太仓)有限公司 | Double-material injection molding process |
| CN107139390A (en) * | 2017-05-08 | 2017-09-08 | 温州长江汽车电子有限公司 | A kind of three color button Shooting Techniques |
| CN107249312A (en) * | 2015-02-12 | 2017-10-13 | T·F·H·发行公司 | The pet chewing product of injection |
-
2020
- 2020-01-09 CN CN202010020422.0A patent/CN111231208A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110942A (en) * | 1993-12-22 | 1995-11-01 | 康麦有限公司 | Process and apparatus for coinjection molding of articles having complex shape |
| CN102189655A (en) * | 2010-03-03 | 2011-09-21 | 福罗西塑胶汽车系统有限公司 | Injection-molding process |
| CN104191568A (en) * | 2014-08-13 | 2014-12-10 | 东莞市旭通达模具塑胶有限公司 | Double-color injection molding method and mold of complicated automobile parts |
| CN107249312A (en) * | 2015-02-12 | 2017-10-13 | T·F·H·发行公司 | The pet chewing product of injection |
| CN106514946A (en) * | 2016-10-31 | 2017-03-22 | 羽田电子科技(太仓)有限公司 | Double-material injection molding process |
| CN107139390A (en) * | 2017-05-08 | 2017-09-08 | 温州长江汽车电子有限公司 | A kind of three color button Shooting Techniques |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200605 |