CN102601921A - Double-shot molding system and double-shot molding forming process - Google Patents
Double-shot molding system and double-shot molding forming process Download PDFInfo
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- CN102601921A CN102601921A CN2011100229125A CN201110022912A CN102601921A CN 102601921 A CN102601921 A CN 102601921A CN 2011100229125 A CN2011100229125 A CN 2011100229125A CN 201110022912 A CN201110022912 A CN 201110022912A CN 102601921 A CN102601921 A CN 102601921A
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Abstract
The invention relates to a double-shot molding system and a double-shot molding forming process. The system comprises a die assembly, a main injection assembly packaged with first plastic, an assistant injection assembly packaged with second plastic and a controller. The main injection assembly and the assistant injection assembly are vertically arranged. The die assembly is formed with a first cavity same with a first part in shape in a first compound die and further formed with a second cavity that is adjacent to the first cavity and same with a second part in shape in a second compound die. The controller controls the die assembly, the main injection assembly and the assistant injection assembly to inject a plastic piece with the first and second parts according to a control signal received. The technical scheme embodied by the invention has small cost, good interchangeability and strong practicality.
Description
Technical field
The present invention relates to the manufacturing technology apparatus field, be specifically related to a kind of double-shot moulding system and double-shot moulding technology.
Background technology
Double-shot moulding technology (being the multicomponent injection molding technology) is exactly with double-colored/extra quality or polychrome/many material simultaneously or be expelled to die cavity in order and obtain required goods.Through the same product of the two or more different material productions of this kind techniques make use, utilize different performance of various materials or color respectively, satisfy different instructions for uses.This technology can effectively be enhanced productivity and quality of item reduces material cost, and relatively typical application has: the toy or the handle for tool that utilize different colours and hardness material to process, toothbrush, consumer electronics etc.; Also comprise the molded of auto parts, like some functor on the automobile--the part of-band illumination functions, function part, shock damping spare, seal and some friction members etc. of soft/yingcai.
The double-shot moulding of broad sense is divided into four types: the first kind is with two kinds of materials of two cover traditional injection moulding moulds difference moulding.Second type is two die cavities of design, two kinds of materials of moulding respectively on a cover die.The 3rd type is design two caves on a cover die, fast the product of the first cave moulding is taken out with manipulator, puts into the second cave reshaping.The 4th type is to drive correlated parts through slide block mechanism to be in two kinds of location status, in two states moulding respectively.
Yet existing special-purpose double-shot moulding machine cost is expensive, interchangeability is poor, normally the 2-3 of common injection machine times even higher, is unfavorable for demand of practical production.
Summary of the invention
The technical problem that the present invention will solve is, the defective of, interchangeability difference expensive to the above-mentioned special-purpose double coloured plastic injection machine cost of prior art provides a kind of low price, interchangeability is good and has the double-shot moulding system of versatility.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of double-shot moulding system; Be used for the injection-molded item that injection moulding production is processed by two kinds of plastic cement; First second part that forms by second plastic cement local and that link into an integrated entity with said first local surfaces that said injection-molded item comprises that first plastic cement forms; It is characterized in that
The master that said double-shot moulding system comprises die assembly, be equipped with first plastic cement shoot material assembly, the auxilliary assembly and the control device of shooting material of second plastic cement is housed, the said master assembly that shoots material auxilliaryly shoots material that assembly is vertical to be provided with said; Said die assembly forms first die cavity identical with said first local shape when first matched moulds, and when second matched moulds, also forms second adjacent with said first die cavity and identical with said second local shape die cavity;
Said control device carries out first matched moulds to form first die cavity according to first control signal control die assembly that is received; Second control signal control die assembly according to being received carries out first locked mode; Inject first plastic cement according to the main material assembly of establishing of the 3rd control signal control that is received to first die cavity, first plastic cement is moulding first part in first die cavity; Said control device also carries out first die sinking according to the 4th control signal control die assembly that is received; The 5th control signal control die assembly according to being received carries out second matched moulds, to form second die cavity; The 6th control signal control module assembly according to being received carries out second locked mode; Inject second plastic cement according to the auxilliary material assembly of establishing of the 7th control signal control that is received to second die cavity, second plastic cement is moulding second part in second die cavity; Said control device also carries out second die sinking according to the 8th control signal control die assembly that is received, and knob out has the injection-molded item of said first game portion and said second part.
In double-shot moulding of the present invention system, said control device comprises:
Interface module; Be used to receive automated manner or the manual mode that the user selects; And when selecting manual mode, receive first control signal, second control signal, the 3rd control signal, the 4th control signal, the 5th control signal, the 6th control signal, the 7th control signal and the 8th control signal of user's input;
Controller is connected in interface module, is used for the signal controlling die assembly that receives according to interface module, the main assembly that shoots material, the auxilliary assembly that shoots material.
In double-shot moulding of the present invention system, said interface module comprises button, toggle switch, touch-screen.
In double-shot moulding of the present invention system; When selecting automated manner, said first control signal, second control signal, the 3rd control signal, the 4th control signal, the 5th control signal, the 6th control signal, the 7th control signal, the 8th control signal trigger according to predefined time or stroke input point respectively.
In double-shot moulding of the present invention system, said die assembly comprises cover half part and dynamic model part, and said first die sinking is that said dynamic model partly is no more than 1mm with the distance of said cover half part die sinking.
The present invention also constructs a kind of double-shot moulding technology, comprising:
First control signal control die assembly according to being received carries out first matched moulds to form first die cavity;
Second control signal control die assembly according to being received carries out first locked mode;
Inject first plastic cement according to the main material assembly of establishing of the 3rd control signal control that is received to first die cavity, first plastic cement is moulding first part in first die cavity;
The 4th control signal control die assembly according to being received carries out first die sinking;
The 5th control signal control die assembly according to being received carries out second matched moulds, to form second die cavity;
The 6th control signal control module assembly according to being received carries out second locked mode;
Inject second plastic cement according to the auxilliary material assembly of establishing of the 7th control signal control that is received to second die cavity, second plastic cement is moulding second part in second die cavity;
The 8th control signal control die assembly according to being received carries out second die sinking, and knob out has the injection-molded item of said first game portion and said second part.
In double-shot moulding technology of the present invention, also comprise: select automated manner or manual mode to control die assembly, the main assembly that shoots material, the auxilliary assembly that shoots material.
In double-shot moulding technology of the present invention; When selecting manual mode, said first control signal, second control signal, the 3rd control signal, the 4th control signal, the 5th control signal, the 6th control signal, the 7th control signal and the 8th control signal are respectively the signal that the user imports through interface module.
In double-shot moulding technology of the present invention; When selecting automated manner, said first control signal, second control signal, the 3rd control signal, the 4th control signal, the 5th control signal, the 6th control signal, the 7th control signal, the 8th control signal trigger according to predefined time or stroke input point respectively.
In double-shot moulding technology of the present invention, said first die sinking is a dynamic model part and the distance of cover half part die sinking is no more than 1mm.
The double-shot moulding system of embodiment of the present invention and double-shot moulding technology; Can be connected on the common injection moulding machine of the different tonnages of different model and need not do the production that any improvement just can realize double-shot moulding technology; Therefore; Compare existing special-purpose double-shot moulding machine, cost is low, and interchangeability is good, practical.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the logic chart of double-shot moulding system embodiment one of the present invention;
Fig. 2 A is the state logic figure before the injection moulding of double-shot moulding of the present invention system begins;
Fig. 2 B is the state logic figure of matched moulds for the first time of double-shot moulding of the present invention system;
Fig. 2 C is the state logic figure of double-shot moulding system of the present invention die sinking for the first time;
Fig. 2 D is the state logic figure of matched moulds for the second time of double-shot moulding of the present invention system;
Fig. 2 E is the state logic figure of double-shot moulding system of the present invention die sinking for the second time;
Fig. 3 A is to use the structure chart of the injection-molded item embodiment one that double-shot moulding of the present invention system produces;
Fig. 3 B is the structure chart of first part among Fig. 3 A;
Fig. 3 C is the structure chart of second part among Fig. 3 A;
Fig. 3 D is the structure chart of moulding first local time first matched moulds among Fig. 3 A;
Fig. 4 is that the interface module of double-shot moulding of the present invention system is implemented one sketch map;
Fig. 5 is the flow chart of double-shot moulding process implementing example one of the present invention.
The specific embodiment
Fig. 1 is the logic chart of double-shot moulding system embodiment one of the present invention; This double-shot moulding system is used for the injection-molded item that injection moulding production is processed by two kinds of plastic cement, first second part that is formed by second plastic cement local and that link into an integrated entity with first local surfaces that injection-molded item comprises that first plastic cement forms.In conjunction with Fig. 3 A, when this injection-molded item was automotive ventilation device cover, this injection-molded item was made up of two kinds of materials, and wherein, shown in Fig. 3 B, first part (main part) material is PP; Shown in Fig. 3 C, second part (flexible glue part) material is TPE.
The master that this double-shot moulding system comprises die assembly 20, be equipped with first plastic cement shoot material assembly 30, the auxilliary assembly 40 and the control device 10 of shooting material of second plastic cement is housed, main shooting material assembly 30 with assist the assembly 40 vertical settings that shoot material; Die assembly 20 forms first die cavity identical with first local shape of injection-molded item when first matched moulds, and when second matched moulds, also forms second adjacent with first die cavity and identical with second local shape of the injection-molded item die cavity.
Below in conjunction with Fig. 1, Fig. 2 A-Fig. 2 E and Fig. 3 D explanation control device 10 is how to control die assembly 20, main assembly 30 and the auxilliary assembly 40 that shoots material of shooting material.At first explanation is, die assembly 20 comprises cover half part 21 and dynamic model part 22.Shown in Fig. 2 A, before injection moulding began, dynamic model part 22 was separated with cover half part 21.If will begin to carry out injection moulding; At first, in conjunction with Fig. 1 and Fig. 2 B, control device 10 carries out first matched moulds to form first die cavity according to first control signal control die assembly 20 that is received; In conjunction with Fig. 3 D; First matched moulds can be sealed second die cavity through slide block 23, also is the flexible glue part, only reserves first die cavity and realizes.Then, control device 10 carries out first locked mode according to second control signal control die assembly 20 that is received, and carrying out locked mode is because pressure is very big when first die cavity shoots material, indeformable when shooting material for keeping first die cavity, carry out high-voltage lock mould.After locked mode was accomplished, control device 10 was injected first plastic cement according to the main material assembly 30 of establishing of the 3rd control signal control that is received to first die cavity, cools off a period of time then, makes first plastic cement moulding first part in first die cavity.Then, in conjunction with Fig. 1 and Fig. 2 C, control device 10 carries out first die sinking according to the 4th control signal that received control die assembly 20, and first die sinking makes the dynamic model part 22 and the distance of said cover half part 21 die sinkings be no more than 1mm, is used for pressure release.In conjunction with Fig. 1 and Fig. 2 D, control device 10 carries out second matched moulds according to the 5th control signal control die assembly 20 that is received, and to form second die cavity, second matched moulds can eject through the slide block that will seal second die cavity originally and realize; Then, control device 10 carries out second locked mode according to the 6th control signal control module assembly 10 that is received, and likewise, second locked mode can keep second die cavity indeformable when shooting material.Then, control device 10 is injected second plastic cement according to the auxilliary material assembly 40 of establishing of the 7th control signal control that is received to second die cavity, and after a period of time to be cooled, second plastic cement is moulding second part in second die cavity.At last, in conjunction with Fig. 1 and Fig. 2 E, control device 10 also carries out second die sinking according to the 8th control signal control die assembly 20 that is received, and ejects injection-molded item, and this injection-molded item has first local and second part.
Preferably; Control device 10 can comprise interface module and the controller that is connected; Wherein, Interface module receives automated manner or the manual mode that the user selects, and when selecting manual mode, receives first control signal, second control signal, the 3rd control signal, the 4th control signal, the 5th control signal, the 6th control signal, the 7th control signal and the 8th control signal of user's input; Controller is used for the signal controlling die assembly that receives according to interface module, the main assembly that shoots material, the auxilliary assembly that shoots material.
Fig. 4 is the sketch map of the interface module embodiment one of double-shot moulding of the present invention system.This interface module comprises button, toggle switch, touch-screen, and for example, button has: start button, stop button, scram button; Toggle switch has: manual toggle switch, die sinking/locked mode toggle switch.
When selecting automated manner; Can carry out following flow process through program: injection cycle begins the capable position of à and advances the shovel machine and advance the à thimble and move back the à first matched moulds à first high-voltage lock mould à master assembly injection PP material à master assembly storing that shoots material that shoots material and penetrate and move back à and begin to cool off; First die sinking simultaneously (requiring the pressure of the master cylinder of the main assembly that shoots material can regulate according to the parameter of setting with flow) à shovel machine regression position is advanced à and is accomplished the action of each slide block neutron according to the setting of slide block and neutron, assists the assembly storing that shoots material and penetrates and move back à and begin to cool off the work that the à second die sinking à ejects this injection cycle of product à completion to carry out the auxilliary assembly injection flexible glue material à that shoots material of the second matched moulds à, the second high-voltage lock mould à.The user just can carry out according to above flow sequence after suitable parameters is set.Through controller being provided with suitable parameters in this process, the triggering of first control signal, second control signal, the 3rd control signal, the 4th control signal, the 5th control signal, the 6th control signal, the 7th control signal, the 8th control signal has dual mode: time control mode and Stroke Control mode.When the select time control mode, can preestablish actuation time, shoot material the injection time of assembly, the time of first die sinking etc. as main; When selecting the Stroke Control mode, according to predefined time or stroke input point.
At Fig. 5 is that this technology comprises in the flow chart of double-shot moulding process implementing example one of the present invention:
Step S100. carries out first matched moulds to form first die cavity according to first control signal control die assembly that is received;
Step S200. carries out first locked mode according to second control signal control die assembly that is received;
Step S300. injects first plastic cement according to the main material assembly of establishing of the 3rd control signal control that is received to first die cavity, and first plastic cement is moulding first part in first die cavity;
Step S400. carries out first die sinking according to the 4th control signal control die assembly that is received;
Step S500. carries out second matched moulds according to the 5th control signal control die assembly that is received, to form second die cavity;
Step S600. carries out second locked mode according to the 6th control signal control module assembly that is received;
Step S700. injects second plastic cement according to the auxilliary material assembly of establishing of the 7th control signal control that is received to second die cavity, and second plastic cement is moulding second part in second die cavity;
Step S800. carries out second die sinking according to the 8th control signal control die assembly that is received, and knob out has the injection-molded item of said first game portion and said second part.
Preferably, this technology can select automated manner or manual mode to control die assembly, the main assembly that shoots material, the auxilliary assembly that shoots material.
Preferably; When selecting manual mode, said first control signal, second control signal, the 3rd control signal, the 4th control signal, the 5th control signal, the 6th control signal, the 7th control signal and the 8th control signal are respectively the signal that the user imports through interface module.
Preferably; When selecting automated manner, said first control signal, second control signal, the 3rd control signal, the 4th control signal, the 5th control signal, the 6th control signal, the 7th control signal, the 8th control signal trigger according to predefined time or stroke input point respectively.
Preferably, first die sinking is a dynamic model part and the distance of cover half part die sinking is no more than 1mm.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. double-shot moulding system; Be used for the injection-molded item that injection moulding production is processed by two kinds of different plastic materials; First second part that forms by second plastic cement local and that link into an integrated entity with said first local surfaces that said injection-molded item comprises that first plastic cement forms; Said double-shot moulding system comprises die assembly and the master that first plastic cement is housed assembly that shoots material; It is characterized in that said double-shot moulding system also comprises auxilliary assembly and the control device of shooting material that second plastic cement is housed, the said master assembly that shoots material auxilliaryly shoots material that assembly is vertical to be provided with said; Said die assembly forms first die cavity identical with said first local shape when first matched moulds, and when second matched moulds, also forms second adjacent with said first die cavity and identical with said second local shape die cavity;
Said control device carries out first matched moulds to form first die cavity according to first control signal control die assembly that is received; Second control signal control die assembly according to being received carries out first locked mode; Inject first plastic cement according to the main material assembly of establishing of the 3rd control signal control that is received to first die cavity, first plastic cement is moulding first part in first die cavity; Said control device also carries out first die sinking according to the 4th control signal control die assembly that is received; The 5th control signal control die assembly according to being received carries out second matched moulds, to form second die cavity; The 6th control signal control module assembly according to being received carries out second locked mode; Inject second plastic cement according to the auxilliary material assembly of establishing of the 7th control signal control that is received to second die cavity, second plastic cement is moulding second part in second die cavity; Said control device also carries out second die sinking according to the 8th control signal control die assembly that is received, and knob out has the injection-molded item of said first game portion and said second part.
2. double-shot moulding according to claim 1 system is characterized in that said control device comprises:
Interface module; Be used to receive automated manner or the manual mode that the user selects; And when selecting manual mode, receive first control signal, second control signal, the 3rd control signal, the 4th control signal, the 5th control signal, the 6th control signal, the 7th control signal and the 8th control signal of user's input;
Controller is connected in interface module, is used for the signal controlling die assembly that receives according to interface module, the main assembly that shoots material, the auxilliary assembly that shoots material.
3. double-shot moulding according to claim 2 system is characterized in that said interface module comprises button, toggle switch, touch-screen.
4. double-shot moulding according to claim 2 system; It is characterized in that; When selecting automated manner, said first control signal, second control signal, the 3rd control signal, the 4th control signal, the 5th control signal, the 6th control signal, the 7th control signal, the 8th control signal trigger according to predefined time or stroke input point respectively.
5. double-shot moulding according to claim 1 system is characterized in that, said die assembly comprises cover half part and dynamic model part, and said first die sinking is that the distance of said movable mold member and the die sinking of said cover half part is no more than 1mm.
6. a double-shot moulding according to claim 1 system carries out double-shot moulding technology, it is characterized in that, comprising:
First control signal control die assembly according to being received carries out first matched moulds to form first die cavity;
Second control signal control die assembly according to being received carries out first locked mode;
Inject first plastic cement according to the main material assembly of establishing of the 3rd control signal control that is received to first die cavity, first plastic cement is moulding first part in first die cavity;
The 4th control signal control die assembly according to being received carries out first die sinking;
The 5th control signal control die assembly according to being received carries out second matched moulds, to form second die cavity;
The 6th control signal control module assembly according to being received carries out second locked mode;
Inject second plastic cement according to the auxilliary material assembly of establishing of the 7th control signal control that is received to second die cavity, second plastic cement is moulding second part in second die cavity;
The 8th control signal control die assembly according to being received carries out second die sinking, and knob out has the injection-molded item of said first game portion and said second part.
7. double-shot moulding technology according to claim 6 is characterized in that, also comprises: select automated manner or manual mode to control die assembly, the main assembly that shoots material, the auxilliary assembly that shoots material.
8. double-shot moulding technology according to claim 7; It is characterized in that; When selecting manual mode, said first control signal, second control signal, the 3rd control signal, the 4th control signal, the 5th control signal, the 6th control signal, the 7th control signal and the 8th control signal are respectively the signal that the user imports through interface module.
9. double-shot moulding technology according to claim 6; It is characterized in that; When selecting automated manner, said first control signal, second control signal, the 3rd control signal, the 4th control signal, the 5th control signal, the 6th control signal, the 7th control signal, the 8th control signal trigger according to predefined time or stroke input point respectively.
10. double-shot moulding technology according to claim 6 is characterized in that, said first die sinking is a dynamic model part and the distance of cover half part die sinking is no more than 1mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110022912.5A CN102601921B (en) | 2011-01-20 | 2011-01-20 | Double-shot molding system and double-shot molding forming process |
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| CN201110022912.5A CN102601921B (en) | 2011-01-20 | 2011-01-20 | Double-shot molding system and double-shot molding forming process |
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| CN102601921A true CN102601921A (en) | 2012-07-25 |
| CN102601921B CN102601921B (en) | 2014-07-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079229A (en) * | 2016-06-28 | 2016-11-09 | 汪振弟 | A kind of Shooting Technique of switch/socket |
| CN106881812A (en) * | 2016-12-29 | 2017-06-23 | 海天塑机集团有限公司 | A kind of injection duplex skill control device and method of the double-colored machine of rotating disk double |
-
2011
- 2011-01-20 CN CN201110022912.5A patent/CN102601921B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| 杜代鹏: "滑块驱动双色注射模设计", 《模具工业》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079229A (en) * | 2016-06-28 | 2016-11-09 | 汪振弟 | A kind of Shooting Technique of switch/socket |
| CN106881812A (en) * | 2016-12-29 | 2017-06-23 | 海天塑机集团有限公司 | A kind of injection duplex skill control device and method of the double-colored machine of rotating disk double |
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| CN102601921B (en) | 2014-07-16 |
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