CN203305462U - Molding die of miniature composite plastic part - Google Patents
Molding die of miniature composite plastic part Download PDFInfo
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- CN203305462U CN203305462U CN2013203363864U CN201320336386U CN203305462U CN 203305462 U CN203305462 U CN 203305462U CN 2013203363864 U CN2013203363864 U CN 2013203363864U CN 201320336386 U CN201320336386 U CN 201320336386U CN 203305462 U CN203305462 U CN 203305462U
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Abstract
The utility model relates to a molding die of a miniature composite plastic part, which belongs to the field of injection-molding dies. The molding die comprises an upper die, a middle die, a lower die and an injection-molding system, wherein the upper die, the middle die and the lower die form a cavity; flexible members are subjected to injection molding after rigid members are embedded into the cavity, so that the miniature composite plastic part containing the rigid members and the flexible members is obtained. Through holes formed by thread holes and mounting holes are respectively formed in the centers of an upper die plate and a lower die plate of the upper die and the lower die; thread regulating blocks are mounted in the thread holes; the rigid members are embedded into the mounting holes; the middle die is formed by two middle die plates, the centers of which are provided with symmetric cavity through holes, wherein one middle die plate is provided with runner holes and connected with the injection-molding system; the upper die, the middle die and the lower die are connected through fixing bolts so as to form an integrated structure; the injection-molding system comprises an injection-molding piston with scales, a transparent material barrel with scales, an injection-molding runner barrel and a sealed valve. The molding die is compact in structure, and can be used for integrally molding the rigid members and the flexible members and accurately metering the feeding materials. In addition, the molding die is multifunctional.
Description
Technical field
The utility model belongs to the injection mold technical field, relates to a kind of injection mold that contains the miniature compound plastic of rigid member and flexible member.
Background technology
For miniature multiple device, traditional mode is first to adopt the machine finishing mode to process rigid member, then adopts machinery assembling or adhesion-molded.Due to the microminiaturization feature of member, traditional machine finishing difficulty is very large, and the accurate assembly of different micro-members is also the process of a complexity, particularly to the accurate miniature multiple device of erose different materials, is difficult to especially realize by this method.Therefore development in recent years utilize the micro-molded technology of mould, be a kind of high-quality, high-precision processing molding method, but this technology is mainly used in many forming parts of single component or same class material at present, and is special mould special use, cost is higher.At present still not specially for the miniature compound plastic that contains rigid member and flexible member can be integrated, injection mold and the forming method of one module multiple usages, accurate measurement control.
The utility model content
The purpose of this utility model is, by a kind of injection mold and forming method are provided, realization contains miniature compound plastic one-body molded of rigid member and flexible member, but simultaneously this injection mold one module multiple usages to be to reduce die cost, and realize that by the design of mould feeding device accurate measurement controls.
A kind of mould that comprises the miniature compound plastic of rigid member and flexible member, it comprises patrix, middle mould, part of the lower die and adapted to injection system.Described part of the upper die comprises cope match-plate pattern 1 and upper threaded adjusting piece 2, described part of the lower die comprises lower bolster 3 and lower threaded adjusting piece 4, upper and lower template center offers respectively the through hole consisted of screwed hole K1 and installing hole K2, threaded adjusting is packaged to be entered in screwed hole, in the installing hole that the rigid member of miniature compound plastic embeds, by the position adjustments of threaded adjusting piece, can realize the one module multiple usages of the rigid member of different-thickness.The middle mould template that described middle mould part You Liangkuai center has symmetrical die cavity through hole K3 forms, and wherein mould template 5 has runner hole K4 and is threaded with adapted to injection system in first.
Described adapted to injection system comprises injection moulding piston 7, barrel 8, injection molding channel cylinder 9 and closing valve 10, injection moulding piston 7 bars are helicitic texture with the rubber piston head, barrel 8 is transparent barrel, injection moulding piston 7 all has metering scale with barrel 8, can realize the accurate measurement charging control, closing valve 10 is helicitic texture, realizes being poured rear runner sealing and pressurize.Described patrix, middle mould, counterdie are at least 2 and equally distributed set bolt 12 by quantity and connect and compose die cavity, after in die cavity, embedding rigid member 11, pass through the injection molding flexible member, the one-body molded miniature compound plastic that goes out to comprise rigid member and flexible member.
A kind of forming method that comprises the miniature compound plastic of rigid member and flexible member, utilize the above-mentioned mould can craft or injection machine injection moulding, comprises the steps:
1) miniature compound plastic rigid member is pre-loaded into to the mold cavity ad-hoc location, upper threaded adjusting piece 2, lower threaded adjusting piece 4 regulate height, matched moulds;
2) accurate measurement flexible material fluid, inject barrel 8, and promotion under external force or turn injection moulding piston 7, to assigned address, inject die cavity by flexible material, screw closing valve 10 and carry out pressurize;
3) mold integral is placed in to curing, moulding at a certain temperature;
4) take off threaded adjusting piece 2, lower threaded adjusting piece 4, set bolt 12, separate successively cope match-plate pattern 1, lower bolster 2, two middle mould templates, take out miniature compound plastic member product, realize one-body molded.
The accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the utility model is further described.In accompanying drawing:
Fig. 1 is the utility model mould assembling schematic diagram
Fig. 2 is the utility model mould part of the upper die schematic diagram
Fig. 3 is mould part schematic diagram in the utility model mould
Wherein Fig. 3 a is front view, and Fig. 3 b is the A-A central cross-sectional view
Fig. 4 is one group of embodiment schematic diagram of the miniature compound plastic of the utility model
In figure: cope match-plate pattern 1, patrix threaded adjusting piece 2, lower bolster 3, mould template 6 in mould template 5, second in counterdie threaded adjusting piece 4, the first, injection moulding piston 7, barrel 8, injection molding channel cylinder 9, closing valve 10, rigid member 11, set bolt 12, flexible member 13, pin 14, packing ring 15, screwed hole K1, installing hole K2, die cavity through hole K3, runner hole K4.
The specific embodiment
The utility model one-body molded applicable to the miniature compound plastic that contains rigid member and flexible member more, but and accurate measurement control, one module multiple usages.Can, by the concrete enforcement illustrated in the utility model content, by reference to the accompanying drawings the utility model be conducted further description and explain.
One of the purpose of this utility model is to provide a kind of mould that comprises the miniature compound plastic of rigid member and flexible member.
Fig. 1 is the utility model mould assembling schematic diagram.Described mould comprises patrix, middle mould, counterdie and adapted to injection system.Described part of the upper die comprises patrix 1 and upper threaded adjusting piece 2, described part of the lower die comprises lower bolster 3 and lower threaded adjusting piece 4, described middle mould part mould template in two forms, and described adapted to injection system comprises injection moulding piston 7, barrel 8, injection molding channel cylinder 9 and closing valve 10.Described patrix, middle mould, counterdie connect and compose die cavity by set bolt 12, in die cavity, embed rigid member 11, and described set bolt 12 quantity are at least 2, preferably 2-10, more preferably 4-6, are evenly distributed.In described barrel 8, closing valve 10 and first, mould template 5 all is threaded connection, and realizes injection moulding sealing flow passage chamber and pressurize.Described injection moulding piston 7 is with the full thread structure of metering scale and with the rubber piston head, barrel 8 is the transparent barrel with metering scale, described injection moulding piston 7 is realized sealing with barrel 8 by screw thread and rubber piston head, form airtight material feeding chamber, by reading the scale on injection moulding piston 7 and barrel 8, can realize accurate measurement suction and material feeding, thereby realize accurate measurement control.
Fig. 2 is the utility model mould part of the upper die schematic diagram.Described cope match-plate pattern 1 center has the through hole consisted of screwed hole K1 and installing hole K2, and upper threaded adjusting piece 2 is packed in screwed hole K1, in the installing hole K2 that the rigid member 11 of miniature compound plastic embeds, and the shape of installing hole K2 and rigid member 11 form fit.Screwed hole K1 is highly H1, installing hole K2 is highly H2, the height that upper threaded adjusting piece 2 screws in screwed hole K1 is H3, the maximum height of rigid member 11 is H4, its relation meets: H1+H2=H3+H4, therefore by changing upper threaded adjusting piece 2, screw in height H 3 in the screwed hole K1 rigid member 11 of differing heights H4 of can packing into, thereby realize one module multiple usages.Described upper threaded adjusting piece 2 is highly realized the effect of one module multiple usages except regulating, while also having the demoulding, first it is screwed out to the assisted ejection effect then miniature compound plastic integral body ejected.For avoiding repeating, the part of the lower die schematic diagram does not provide, and itself and part of the upper die have similar structure and function.
Fig. 3 is mould part schematic diagram in the utility model mould, and wherein Fig. 3 a is front view, and Fig. 3 b is the A-A central cross-sectional view.The mould template docking in 2 of described middle mould part forms the ，Qi center and has die cavity through hole K3.The helicitic texture that has runner hole K4 in described first on mould template 5 and be connected with adapted to injection system.Described die cavity through hole K3 and two middle mould templates can have various shape variants, are circle, rectangle or rhombus or irregularly shaped as shape of cross section.
Two of the purpose of this utility model is to provide a kind of forming method that utilizes the miniature composite article of above-mentioned mould injection mo(u)lding, can realize craft or injection machine injection moulding.1 kind is preferred embodiment:
1) miniature compound plastic rigid member 11 is pre-loaded into to the mold cavity ad-hoc location, in installing hole as bolster, by change, regulate the threaded adjusting piece and screw in the height in screwed hole, regulate the rigid member position, and patrix, middle mould, part of the lower die and adapted to injection system are assembled respectively to matched moulds;
2) closing valve 10 is screwed out to correct position, by 8 accurate measurements of injection moulding piston 7 and barrel, suck and inject flexible material to flow passage chamber and enter die cavity and be full of, screw immediately closing valve 10 and carry out pressurize;
3) mold integral is placed in and makes at a certain temperature that flexible material solidifies, moulding;
4) take off threaded adjusting piece 2, lower threaded adjusting piece 4, set bolt 12, separate successively cope match-plate pattern 1, lower bolster 2, middle mould template, take out miniature compound plastic member product, realize one-body molded.
Fig. 4 is one group of embodiment schematic diagram of the miniature compound plastic of the utility model, a kind of artificial intervertebral disk goods of the injection mo(u)lding of take are example, the miniature compound plastic parts shape that utilizes mould of the present utility model and moulding process moulding is described, but is not limited to the present embodiment.In Fig. 4, a-d has represented the difform artificial intervertebral disk goods that contain rigid member 11 and flexible member 13.Rigid member 11 can be the cross section that shows in figure a-c for circular, square or the regular member of single part of certain radian shape is arranged, and can be also the multi-part irregular element that comprises pin 14, packing ring 15 shown in figure d.No matter single part rule member or multi-part irregular element, during moulding, equal integral body is pre-loaded into mould, then carries out injection moulding and realizes one-body molded.Particularly scheme the flexible member 13 shown in d complex-shaped and irregular, be embedded between rigid member 11 and packing ring 15, can't be by the mode moulding of assembling after first machined, and utilize the utility model mould and technique can more easily realize moulding.
The above specific embodiment and embodiment be only in order to specific embodiment of the present utility model to be described, and and the described technical scheme of unrestricted the utility model.Corresponding those skilled in the art, various improvement, change, variation, substitute and equivalence transformation is will be apparent, in the situation that do not deviate from spirit of the present utility model and principle, can carry out a large amount of variations and change; And all do not break away from technical scheme and the improvement thereof of the protection domain the utility model proposes, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (3)
1. the mould of a miniature compound plastic, it is characterized in that: it comprises patrix, middle mould, part of the lower die and adapted to injection system; Described part of the upper die comprises cope match-plate pattern (1) and upper threaded adjusting piece (2), described part of the lower die comprises lower bolster (3) and lower threaded adjusting piece (4), described middle mould partly comprises two middle mould templates, and described adapted to injection system comprises injection moulding piston (7), barrel (8), injection molding channel cylinder (9) and closing valve (10); Described patrix, middle mould, counterdie connect and compose die cavity by set bolt (12), in die cavity, embed rigid member (11) rear by the injection molding flexible member, obtain comprising the miniature compound plastic of rigid member and flexible member;
Upper and lower template center offers respectively the through hole consisted of screwed hole (K1) and installing hole (K2), and threaded adjusting is packaged to be entered in screwed hole, in the installing hole that the rigid member of miniature compound plastic embeds in advance;
Two middle mould template center all have symmetrical die cavity through hole (K3); Wherein, mould template (5) has runner hole (K4) and is threaded with the injection molding channel cylinder (9) in adapted to injection system in first.
2. mould according to claim 1, it is characterized in that: injection moulding piston (7) is for helicitic texture and with the rubber piston head, barrel (8) is transparent barrel, and injection moulding piston (7) all has metering scale with barrel (8), and closing valve (10) is helicitic texture.
3. mould according to claim 1, it is characterized in that: set bolt (12) quantity is at least 2, and is uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203363864U CN203305462U (en) | 2013-06-12 | 2013-06-12 | Molding die of miniature composite plastic part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203363864U CN203305462U (en) | 2013-06-12 | 2013-06-12 | Molding die of miniature composite plastic part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203305462U true CN203305462U (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203363864U Withdrawn - After Issue CN203305462U (en) | 2013-06-12 | 2013-06-12 | Molding die of miniature composite plastic part |
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| CN (1) | CN203305462U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302803A (en) * | 2013-06-12 | 2013-09-18 | 北京化工大学 | Forming mold and forming method of micro composite plastic part |
-
2013
- 2013-06-12 CN CN2013203363864U patent/CN203305462U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302803A (en) * | 2013-06-12 | 2013-09-18 | 北京化工大学 | Forming mold and forming method of micro composite plastic part |
| CN103302803B (en) * | 2013-06-12 | 2015-07-08 | 北京化工大学 | Forming mold and forming method of micro composite plastic part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131127 Effective date of abandoning: 20150708 |
|
| RGAV | Abandon patent right to avoid regrant |