CN207643508U - A kind of novel fast plastic mould - Google Patents
A kind of novel fast plastic mould Download PDFInfo
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- CN207643508U CN207643508U CN201721470636.8U CN201721470636U CN207643508U CN 207643508 U CN207643508 U CN 207643508U CN 201721470636 U CN201721470636 U CN 201721470636U CN 207643508 U CN207643508 U CN 207643508U
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Abstract
The utility model discloses a kind of novel fast plastic moulds for injection molding, including front cavity and rear cavity, front cavity and rear cavity respectively include main body and particular elements, the main body is nucleocapsid, including mode core and mode shell, the main body is made of the method for 3D printing, and the particular elements are made of the mach method of metal, and the particular elements are fixedly connected as metal inserted piece with the main body.Fast plastic mould provided by the utility model, manufacture can be completed in several hours or non-working time, particular elements complexed metal mold insert can extend die life, and quickly obtain the injection molding component of high-quality, main body is nucleocapsid, further strengthens the precision, stability and durability of fast plastic mould.
Description
Technical field
The utility model is related to mould manufacturing fields, and in particular to a kind of novel quick plastic mould for injection molding
Tool.
Background technology
A component in order to obtain in traditional injection moulding process, needs to use injection mold, this mold by mode,
Mould bases, ejection system and running gate system composition.Mode has core and cavity two parts, and composition production is molded by front and back mould die joint
The cavity body of mould of product.Commonly machining and line are cut for processing, including lathe, milling machine, grinding machine and drilling machine of a set of metal mode etc.
It cuts, the extraordinary machinings of spark discharge processing (EDM) and digital control processing (CNC) etc..The processing of mode, which adds, matches mould, and it is whole to complete one
Set metal die usually requires the time of several thoughtful some months.
Produce the stage in enormous quantities, considers three product quantity, manufacturing cycle and manufacturing cost aspects, metal die
With very big advantage.For product development early period, since the product quantity of needs is seldom, open a set of metal die need it is non-
The manufacturing cost of Chang Anggui and longer manufacturing cycle, traditional metal die have been unable to meet new era small lot personalization and
Customization and product quickly update the demand of iteration.With the continuous development of society, traditional extensive and centralized manufacture
Pattern is bogged down in crisis, and small lot, customization and personalized epoch arrive silently.
Currently, with arrival that is personalized and customizing, new product development need early period quickly to obtain having high-precision and
The authentic material model of high quality, thus be badly in need of one kind can low cost and can quickly obtain high-quality authentic material injection molding sample
The fast mould of plate.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of novel fast plastic moulds, can be inexpensive and quick
Obtain high-quality authentic material injection molding model.
In order to solve the above technical problems, technical solution provided by the utility model is：
A kind of novel fast plastic mould, including front cavity and rear cavity, front cavity and rear cavity respectively include main body and
Particular elements, the main body are nucleocapsid, including mode core and mode shell, and the main body is made of the method for 3D printing,
The particular elements are made of the mach method of metal, and the particular elements are fixed as metal inserted piece and the main body to be connected
It connects.
Further, through-hole is offered in the main body of the installation site of the metal inserted piece, fast plastic mould further includes
Preceding mould bases and rear mould bases offer threaded hole, metal inserted piece on the preceding mould bases or rear mould bases of the installation site of the metal inserted piece
One end be equipped with screw thread, metal inserted piece is threadedly coupled across the through-hole with the preceding mould bases or rear mould bases.
Further, the particular elements include preceding sprue bushing, preceding sprue channel, rear sprue bushing, rear sprue channel, high details and high-precision
Screw thread, hinge, the thin position of bone or the deep position of bone of degree.
Advantageous effect：Fast plastic mould provided by the utility model can be completed in several hours or non-working time
Manufacture, particular elements complexed metal mold insert can extend die life, and quickly obtain the injection molding component of high-quality, and main body is core
Shell structure further strengthens the precision, stability and durability of fast plastic mould.
Description of the drawings
Fig. 1 is the stereogram of the fast plastic mould of the utility model first embodiment；
Fig. 2 is fast plastic mould vertical view shown in Fig. 1；
Fig. 3 shows the stereogram of the fast plastic mould according to the utility model second embodiment；
Fig. 4 is fast plastic mould vertical view shown in Fig. 3.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
3D printing is a kind of increases material manufacturing technology, and molding is not influenced by complicated, and arbitrary shape may be implemented
Free forming, and the supply chain at manufacture end can be simplified, realize industrial design end and manufacture slitless connection, therefore can be very big
Manufacturing innovation is promoted to create.3D printing is a kind of new-create new tool of wound, and it is fast, good, cheap to fast implement.Often
3D printing or increases material manufacturing technology include stereolithography technology (SLA), fusion sediment technology (FDM), continuous liquid
Face manufacturing technology (CLIP), digital light handle forming technique (DLP), more material spraying techniques (PolyJet), laminated solid mass manufacture
(LOM), Selective Laser Sintering (SLS) and selective laser fusion technology (SLM) and electron beam melting technology (EBM).
SLM and EBM can be directly realized by metallic print in these technologies, can quickly obtain the rough accessory of metal, but usually also need to
Logical finishing in a few days can be only achieved requirement, in addition needed for two to three weeks with the mould time, and manufacturing cost is compared and is passed
The mach die cost higher of system, can not meet the demand of fast mould.
Method described in the utility model has that the manufacturing cycle is short, manufacture in conjunction with 3D printing and the mach advantage of metal
Feature at low cost and that injection molding part quality is high.
First embodiment
Figures 1 and 2 show that being combined by 3D printing and tradition machining according to the utility model first embodiment
Method manufacture fast plastic mould.
The fast plastic mould includes preceding mould bases 1 and rear mould bases 8, and the front cavity 3 being fixed on preceding mould bases 1 and fixation
Rear cavity 10 on rear mould bases 8.Preceding mould bases 1 and rear mould bases 8 are respectively used to support, fixed front cavity 3 and rear cavity 10.
Front cavity 3 and rear cavity 10 are the key that the precision component for mold center's position running, complicated, processing
Difficulty is big, and cost is high.Such as in the present embodiment, as depicted in figs. 1 and 2, front cavity 3 is equipped with front cavity tiger's jaw 2, preceding sprue bushing
4, the components such as preceding sprue channel 5, preceding model cavity 6, preceding screw hole 7.Rear cavity 10 be equipped with rear cavity tiger's jaw 9, rear sprue channel 11, after
Sprue bushing 12, rear model cavity 13, rear screw hole 15, pin 16, sliding block 17 etc..
Front cavity 3 and rear cavity 10 are affixed directly to by 4 screws on preceding mould bases 1 and rear mould bases 8 respectively, preceding screw hole
7 and screw hole after 15 be reserved in front cavity 3 and rear cavity 10 by 3D printing respectively, and screw thread position is arranged in preceding mould bases 1
On rear mould bases 8.In injection moulding process, fast plastic mould molding is carried out by front cavity tiger's jaw 2 and rear cavity tiger's jaw 9
Positioning.
The front cavity 3 and rear cavity 10 of the fast plastic mould are by 3D printing technique quick forming fabri-cation, particular portion
The mach metal inserted piece of position cooperation tradition.Fast plastic mould provided by the utility model, can be in several hours or non-work
Make the time and complete manufacture, privileged site complexed metal mold insert can extend die life, and quickly obtain the injection molding portion of high-quality
Part can also mitigate mold weight, to be further reduced mold manufacturing time and cost by design topology.
The manufacturing method of novel fast plastic mould, includes the following steps：
S1, the main body for printing front cavity 3 and rear cavity 10 respectively with the method for 3D printing.
The main body of front cavity 3 and rear cavity 10 is to use class ABS resin, photosensitive resin or photosensitive epoxy-phenolic resin material, leads to
Cross stereolithography technology (SLA), continuous liquid level manufacturing technology (CLIP), digital light processing forming technique (DLP) or more materials
Material spraying technique (PolyJet) directly prints.
Class ABS resin, photosensitive resin or photosensitive epoxy-phenolic resin material are thermosetting resin, the front cavity after resin forming
3 and rear cavity 10 main body, hardness (HRD) 80 or more, and under 0.45MPa load front cavity 3 and rear cavity 10 thermal change
Shape temperature (HDT) is 50 DEG C or more.
S11：The main body is nucleocapsid, including mode core and mode shell, and the mode core uses class ABS resin or light
Quick composite resin material is made；
S12：After mode core is made, in mode core external sheath mode shell, the mode shell uses toughness photosensitive resin material
Material is made.
In the present embodiment, front cavity 3 and 10 main body of rear cavity are nucleocapsid, respectively include mode core and mode shell
(not shown).Mode core is the class ABS resin using two groups of subassemblys of toughness photosensitive resin and epoxy phenolic resin, is led to
Excessive material spraying technique 3D printing forms.Wherein, toughness photosensitive resin material refers to Epocryl, epoxy resin
Or epoxy resin/acrylate blend, epoxy phenolic resin refer to that fire resistant resin refers to cyanate ester resin/epoxy
Resin blend, cyanate ester resin/acrylate blend, cyanate ester resin/epoxy resin/acrylate are blended
Object, acrylate, epoxy resin/acrylic resin blend or copolymer.Mode shell is to use toughness photosensitive resin material
Material, is formed by more material spraying technique 3D printings.Compared to the mode of traditional 3D technology printing, which not only has preferable
Toughness and heat-resisting quantity, while having higher precision, stability and durability.
As can be seen that front cavity 3 and rear cavity 10 offer recessed preceding model cavity 6 and rear mold respectively from Fig. 1 and Fig. 2
Cavity 13.Preceding model cavity 6 and rear model cavity 13 correspond respectively to the first half shapes and the second half shapes of injection molding model for being molded
Shape.When front cavity 3 and rear cavity 10 are combined together, preceding model cavity 6 and rear model cavity 13 have the shape for being molded model
Shape.
Front cavity 3 is equipped with preceding sprue bushing 4 and preceding sprue channel 5, and preceding sprue bushing 4, preceding sprue channel 5 and preceding model cavity 6 are sequentially communicated, preceding
The path for the plastics that injection is melted in forward model chamber 6 when sprue bushing 4 and preceding sprue channel 5 provide injection molding.Rear cavity 10 is equipped with rear purt
Mouth 12 and rear sprue channel 11, rear sprue bushing 12, rear sprue channel 11 and rear model cavity 13 are sequentially communicated, model cavity backward when providing injection molding
The path for the plastics that injection is melted in 13.Also, preceding sprue bushing 4 is corresponding with the position of rear sprue bushing 12, preceding sprue channel 5 and rear material feeding
The position in road 11 is corresponding.
S2, particular elements are made with the mach method of metal.
In order to increase the service life of the fast plastic mould, preceding sprue bushing 4, preceding sprue channel 5, rear sprue bushing 12 and rear sprue channel 11 are equal
Made of the mach method of conventional metals, metal inserted piece be re-used as after the completion of being pre-machined, be directly assembled to front cavity 3 or
In rear cavity 10.
S3, particular elements are fixedly connected as metal inserted piece with the main body.
Metal inserted piece can be the main body of the installation site of metal inserted piece with the connection type of front cavity 3 or rear cavity 10
On offer through-hole, offer threaded hole on the preceding mould bases 1 of the installation site of metal inserted piece or rear mould bases 8, the one of metal inserted piece
End is equipped with screw thread, and metal inserted piece passes through the through-hole to be threadedly coupled with the preceding mould bases 1 or rear mould bases 8.Certainly, metal inserted piece with
The connection of front cavity 3 or rear cavity 10 can also have other modes, such as snap connection.
Sliding block 17 and pin 16 are additionally provided in rear cavity 10, sliding block 17 is using class ABS resin, photosensitive resin or photosensitive compound
Resin material is formed by more material spraying technique 3D printings.Pin 16 wherein in sliding block 17 is made of metal machining,
It is re-used as metal inserted piece after processing is completed, is directly assembled in sliding block 17.
Mould bases 8 is equipped with ejection system with respect to the another side of rear cavity 10 afterwards, and ejection system includes thimble 14, thimble panel 18
With Ejector Retainer Plate 19.In the present embodiment, making is pre-machined by metal machining in the thimble 14 of ejection system, is re-used as gold
Belong to mold insert, is assembled in fast plastic mould.In addition, in order to further ensure the quality of product, the fast plastic mould its
His privileged site is also required to complexed metal mold insert, and privileged site is in addition to preceding sprue bushing 4, preceding sprue channel 5, rear sprue bushing 12, rear sprue channel
11 and pin 16, further include the positions such as the high details of requirement and high-precision screw thread, the hinge or thin position of bone, the deep position of bone.Wherein, thin bone
Position specifically refers to the position that position of bone thickness is less than 0.6mm, and the deep position of bone specifically refers to the position that position of bone depth is more than 5mm.
The front cavity 3 and rear cavity 10 of the utility model pass through 3D printing technique quick forming fabri-cation, privileged site cooperation
The mach metal inserted piece of tradition, and the metal mould bases of the conventional injection molding machine of standard is mixed, directly injection molding obtains on injection molding machine
Authentic material component.
After the fast plastic mould of the utility model completes manufacture, the type for being suitable for injection molding machine is horizontal or vertical injection molding
Machine, and it is suitable for injection molding of the melting temperature in 300 DEG C of thermoplastic materials and thermosets below.Above-mentioned thermoplastic material
Including polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), thermoplastic elastomer (TPE) (TPE), polylactic acid (PLA), acrylonitrile-
Butadiene-styrene copolymer (ABS), polyformaldehyde (POM), polymethyl methacrylate (PMMA), PC-ABS, polyamide
(PA), polyamide+glass (PA+GF), polybutylene terephthalate (PBT)+glass (PBT+GF), makrolon (PC).Above-mentioned heat
Thermoset material includes normal temperature cure organic silica gel and hot setting organic silica gel.In addition, the fast plastic mould of the utility model
It is also applied for unconventional wax (Wax) injection molding, ceramic powders are injection moulded (CIM) and metal powder injection molding (MIM)
Equal injection moldings.
It is suitble to be molded on the injection molding machine of 200 tons or less clamp forces, manually fast plastic mould is attached to
On Babyplast miniature injection machines (6 tons of locked mode pressure), polybutylene terephthalate (PBT) adds 30% glass (PBT+30GF)
Plastic granule, which heats, melts the model cavity 13 with after of model cavity 6 before nozzle is injected into, and is molded after cooling in pressurize and mould, front cavity
3 and rear cavity 10 blown through air pressure gun and be cooled to 25 DEG C or so ejecting products.
There is manufacture week using the fast plastic mould provided by the utility model for injection molding and its manufacturing method
The feature that phase is short, manufacturing cost is low and injection molding part quality is high.The true of high-quality can be obtained within 48 hours by fast injection molding
The complex component of material is a up to more than 100, and this component is suitble to need quickly to obtain the sample of authentic material in product development front end
Plate carries out functional test, including electric property, falls, high temperature resistant and durability.
Second embodiment
Fig. 3 and Fig. 4, which is shown, to be combined according to the utility model second embodiment by 3D printing and tradition machining
Method manufacture fast plastic mould.The present embodiment is roughly the same with first embodiment, the difference is that the following contents.
Rear cavity tiger's jaw 9, rear sprue channel 11, rear sprue bushing 12, rear model cavity 13, rear screw hole are provided only in rear cavity 10
15。
The front cavity 3 and 10 main part of rear cavity of the fast plastic mould are to be based on photosensitive epoxy-phenolic resin material, are passed through
3D printing forms.Specifically, front cavity 3 and 10 main part of rear cavity are based on ceramic based resin composite material, Metal Substrate tree
Resin composite material or carbon-based resin composite material, made of 3D printing technique.Wherein, carbon-based resin composite material includes carbon
Nanotube, graphite or graphene powder；Ceramic base resin compounded includes silica, aluminium oxide or alpha-silicon nitride powders；Metal Substrate
Resin composite materials include silver, copper or powder of stainless steel.Powder in composite resin material is micron order, sub-micron and/or
Nano-grade size.
For example, in this embodiment, mode core uses ceramic base composite resin material, is beaten by stereo lithography (SLA)
It prints.This ceramic base composite resin material is mixed with ceramic powders and resin, is a kind of rigidity, high temperature resistant and wear-resisting
The thermosetting property compound resin of property.Mode shell can be then to use toughness photosensitive resin material, be formed by SLA technology 3D printing.
Compared to the mode of other 3D technologies printing, which not only has preferable wear-resisting and heat-resisting quantity, while having higher essence
Degree and stability and appearance.
After completing fast plastic mould manufacture, fast plastic mould is mounted on miniature injection machine, by makrolon
(PC) plastic granule heating melting model cavity 13 with after of model cavity 6 before nozzle is injected into.
Using the method for the utility model, can within 48 hours fast injection molding obtain high-quality authentic material component
A up to more than 50, this component is suitble to need the model for quickly obtaining authentic material to carry out function survey in product development front end
Examination, including translucency, intensity, high temperature resistant and durability.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
It, in specific embodiments and applications can be with many changes may be made, as long as these variations are without departing from this with novel thought
The design of utility model, belongs to the scope of protection of the utility model.
Claims (1)
1. a kind of novel fast plastic mould, which is characterized in that including front cavity (3) and rear cavity (10), front cavity (3) and after
Mode (10) respectively includes main body and particular elements, and the main body is nucleocapsid, including mode core and mode shell, the main body
It is made of the method for 3D printing, the particular elements are made of the mach method of metal, and the particular elements are as gold
Belong to mold insert to be fixedly connected with the main body；
Offer through-hole in the main body of the installation site of the metal inserted piece, fast plastic mould further include preceding mould bases (1) and after
Threaded hole is offered on mould bases (8), the preceding mould bases (1) of the installation site of the metal inserted piece or rear mould bases (8), metal inserted piece
One end is equipped with screw thread, and metal inserted piece passes through the through-hole to be threadedly coupled with the preceding mould bases (1) or rear mould bases (8)；
The particular elements include preceding sprue bushing (4), preceding sprue channel (5), rear sprue bushing (12), rear sprue channel (11), screw thread, hinge,
The thin position of bone or the deep position of bone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470636.8U CN207643508U (en) | 2017-11-06 | 2017-11-06 | A kind of novel fast plastic mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470636.8U CN207643508U (en) | 2017-11-06 | 2017-11-06 | A kind of novel fast plastic mould |
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| Publication Number | Publication Date |
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| CN207643508U true CN207643508U (en) | 2018-07-24 |
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| CN201721470636.8U Active CN207643508U (en) | 2017-11-06 | 2017-11-06 | A kind of novel fast plastic mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107756691A (en) * | 2017-11-06 | 2018-03-06 | 深圳市迪嘉机械有限公司 | A kind of new fast plastic mould and its manufacture method |
-
2017
- 2017-11-06 CN CN201721470636.8U patent/CN207643508U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107756691A (en) * | 2017-11-06 | 2018-03-06 | 深圳市迪嘉机械有限公司 | A kind of new fast plastic mould and its manufacture method |
| CN107756691B (en) * | 2017-11-06 | 2024-04-19 | 深圳市迪嘉机械有限公司 | Novel rapid plastic mold and manufacturing method thereof |
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