CN108297315A - A kind of plating fast plastic mould and its manufacturing method for injection molding - Google Patents
A kind of plating fast plastic mould and its manufacturing method for injection molding Download PDFInfo
- Publication number
- CN108297315A CN108297315A CN201810217421.8A CN201810217421A CN108297315A CN 108297315 A CN108297315 A CN 108297315A CN 201810217421 A CN201810217421 A CN 201810217421A CN 108297315 A CN108297315 A CN 108297315A
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- China
- Prior art keywords
- cavity
- plating
- front cavity
- rear cavity
- plastic mould
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- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 75
- 229920003023 plastic Polymers 0.000 title claims abstract description 68
- 239000004033 plastic Substances 0.000 title claims abstract description 68
- 238000007747 plating Methods 0.000 title claims abstract description 61
- 238000001746 injection moulding Methods 0.000 title claims abstract description 39
- 229910052751 metal Inorganic materials 0.000 claims abstract description 67
- 239000002184 metal Substances 0.000 claims abstract description 67
- 238000000034 method Methods 0.000 claims abstract description 37
- 238000010146 3D printing Methods 0.000 claims abstract description 26
- 238000003754 machining Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 82
- 239000011347 resin Substances 0.000 claims description 35
- 229920005989 resin Polymers 0.000 claims description 35
- 238000005516 engineering process Methods 0.000 claims description 26
- 239000003973 paint Substances 0.000 claims description 24
- 210000000988 bone and bone Anatomy 0.000 claims description 22
- 239000000805 composite resin Substances 0.000 claims description 19
- 230000037452 priming Effects 0.000 claims description 19
- 229920001187 thermosetting polymer Polymers 0.000 claims description 18
- -1 acrylic polyol Chemical class 0.000 claims description 14
- 238000007639 printing Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 230000009977 dual effect Effects 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000002987 primer (paints) Substances 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
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- 239000002253 acid Substances 0.000 claims description 4
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- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 claims description 3
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- 239000004698 Polyethylene Substances 0.000 description 10
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 238000012356 Product development Methods 0.000 description 3
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 description 3
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- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 description 3
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 229920000426 Microplastic Polymers 0.000 description 2
- 206010034960 Photophobia Diseases 0.000 description 2
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- 238000004383 yellowing Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 239000004425 Makrolon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
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- 238000010894 electron beam technology Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
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- 238000000227 grinding Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000520 microinjection Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
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- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3828—Moulds made of at least two different materials having different thermal conductivities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/40—Plastics, e.g. foam or rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
Abstract
The present invention relates to a kind of plating fast plastic moulds and its manufacturing method for injection molding.A kind of plating fast plastic mould for injection molding, including front cavity and rear cavity and metal inserted piece, the metal inserted piece is made of metal machining, the front cavity and rear cavity are all made of 3D printing and are made, and the electroplated layer formed by vacuum plating is equipped on the surface of the front cavity and rear cavity.Present invention incorporates 3D printings and the mach advantage of metal, common position in mode has the characteristics that the manufacturing cycle is short, manufacturing cost is low and injection molding part quality is high using 3D printing, manufacture can be completed in several hours or non-working time, the privileged site complexed metal mold insert in mode can extend die life and quickly obtain beautiful and high-quality injection molding component；It is electroplated using the method for vacuum plating, there is wearability and high hardness, and there is excellent surface smoothness.
Description
Technical field
The present invention relates to mould manufacturing fields, in particular to a kind of plating quick plastic mould for injection molding
Tool and its manufacturing method.
Background technology
Mold is known as the title of " mother of industry ", it is mainly assigned by changing the shape of molten state or liquid material
Or the component of manufacture corresponding appearance and structure.Compared to other types mold, injection mold is applied the widest in manufacturing industry
It is general, it is suitble to accurate and complex product the manufacturing.In traditional injection mold injection moulding process, mold needs to be subjected to high temperature and height
Pressure, therefore have certain requirement to mold materials, common mold materials are all metal material, such as stainless steel, mould steel, titanium conjunction
Gold and aluminium alloy, they can bear corresponding temperature and pressure in injection molding produces.In traditional injection moulding process in order to
A component is obtained, needs to use injection mold, this mold is made of mode, mould bases, ejection system and running gate system.Mould
Benevolence has core and cavity two parts, and the cavity body of mould of composition product is molded by front and back mould die joint.A set of metal mode adds
Commonly machining and wire cutting, spark discharge processing (EDM) and the numerical control such as work, including lathe, milling machine, grinding machine and drilling machine
Process the extraordinary machining such as (CNC).The processing of mode, which adds, matches mould, complete a whole set of metal die usually require it is several thoughtful several
The time of the moon.
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 personalized and the customization epoch arrivals, particularly with the conduct industry that disappears soon, such as packaging and consumption etc.
Field, the development cycle of product largely determines the success or not of this product, therefore being badly in need of one kind can be with quality
It is good, inexpensive, durable and can quickly obtain the fast mould that quantity is mostly molded model with beautiful high-quality authentic material.
Invention content
In order to solve the above technical problems, the present invention provides a kind of plating fast plastic mould and its system for injection molding
Method is made, in conjunction with the plating fast plastic mould that 3D printing technique and traditional machine-tooled method and electroplating technology make, is had
Feature high-quality, the manufacturing cycle is short and injection molding part quality is high, direct small lot can produce true material within 72 hours
The high quality of material is molded component.
The technical solution adopted by the present invention is：A kind of plating fast plastic mould for injection molding is provided, including preceding
Mode and rear cavity, further include the metal inserted piece being mounted in the front cavity and rear cavity, and the metal inserted piece is for shape
At the thin position of bone, the mold insert of the deep position of bone or high details and high-precision position, the metal inserted piece is made of metal machining, described
Front cavity and rear cavity are all made of 3D printing and are made, and are equipped on the surface of the front cavity and rear cavity and pass through vacuum plating shape
At electroplated layer.
In plating fast plastic mould of the present invention, the front cavity and rear cavity by thermoset resin material or
One or more in composite resin material are made.
In plating fast plastic mould of the present invention, the front cavity and rear cavity pass through stereolithography skill
Art (SLA), continuous liquid level manufacturing technology (CLIP), digital light processing forming technique (DLP), more material spraying techniques
(PolyJet) or material jet printing technology (MJP) directly printing is made.
In plating fast plastic mould of the present invention, the electroplated layer is aluminium coated, the front cavity and rear mold
The surface of benevolence is additionally provided with the priming paint coated in the electroplated layer bottom surface and the finishing coat coated in the electroplated layer top surface.
In plating fast plastic mould of the present invention, the integral thickness of the priming paint, electroplated layer and finishing coat is 20-
50 μm, the thickness of the electroplated layer is 0.01 μm -6 μm.
In plating fast plastic mould of the present invention, the priming paint be include ethylene propylene acid esters, it is light-initiated
Agent, polyurethane, prepolymer and acrylic polyol UV and hot dual cure type priming paint, the aliphatic poly ammonia that the finishing coat is
Ester acrylate.
In plating fast plastic mould of the present invention, the metal inserted piece includes sprue and sprue bushing, Yi Jiyong
In the mold insert for forming hinge position and screw thread position.
The present invention also provides a kind of manufacturing methods of plating fast plastic mould, before the plating fast plastic mould includes
Mode and rear cavity and the metal inserted piece in the front cavity and rear cavity, the metal inserted piece are thin to be used to form
The mold insert of the position of bone, the deep position of bone or high details and high-precision position, the described method comprises the following steps：
S1 makes the front cavity and rear cavity using 3D printing, and the metal inserted piece is made by metal machining；
S2 forms electroplated layer using vacuum plating on the plastic insert surface；
The metal inserted piece is assembled in the front cavity and rear cavity by S3.
In manufacturing method of the present invention, further include before the step S2：In the front cavity and rear cavity
Surface primer coating；Further include after the step S2：Finishing coat is coated in the front cavity and rear cavity surface.
In manufacturing method of the present invention, the step S1 further includes：The front cavity and rear cavity by using
The stereolithography technology (SLA) of thermosetting resin or composite resin material, continuous liquid level manufacturing technology (CLIP), digital light
Processing forming technique (DLP), more material spraying techniques (PolyJet) or material jet printing technology (MJP) directly print.
Provided by the present invention for injection molding plating fast plastic mould and its manufacturing method combine 3D printing with
The mach advantage of metal, the common position in mode have that the manufacturing cycle is short, manufacturing cost is low and injection molding portion using 3D printing
The high feature of part quality can complete manufacture, the privileged site complexed metal edge in mode in several hours or non-working time
Part can extend die life and quickly obtain beautiful and high-quality injection molding component, and can obtain the note of preferable transparency
Model is moulded, mold weight can also be mitigated by design topology, to be further reduced mold manufacturing time and cost；Using
The method of vacuum plating is electroplated, and the plastics mode heat distortion temperature (HDT) after aluminizing can reach 130 degrees Celsius, have simultaneously
There are wearability and high hardness, and there is excellent surface smoothness；Suitable for horizontal or vertical injection molding machine, it is suitble to 200
Ton or less be molded on the injection molding machine of clamp force, be suitable for melting temperature in 300 DEG C of thermoplastic materials and thermosetting property below
The injection molding of material, the thermoplastic material especially suitable for the low adhesive force such as polyethylene (PE) and polypropylene (PP).Use the present invention
The plating fast plastic mould and its manufacturing method for injection molding provided is short with the manufacturing cycle, manufacturing cost is low and note
The high feature of part quality is moulded, the high-quality of authentic material can be produced by the direct small lot of numerical DC speed within 72 hours
The injection molding component of amount.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the dimensional structure diagram of front cavity and preceding outline border mould bases in the embodiment of the present invention one；
Fig. 2 is the overlooking structure diagram of front cavity and preceding outline border mould bases in the embodiment of the present invention one；
Fig. 3 is rear cavity in the embodiment of the present invention one, the overlooking structure diagram of rear outline border mould bases and ejection system；
Fig. 4 is rear cavity in the embodiment of the present invention one, the dimensional structure diagram of rear outline border mould bases and ejection system；
Fig. 5 is the dimensional structure diagram of front cavity and preceding outline border mould bases in the embodiment of the present invention two；
Fig. 6 is the overlooking structure diagram of front cavity and preceding outline border mould bases in the embodiment of the present invention two；
Fig. 7 is rear cavity in the embodiment of the present invention two, the overlooking structure diagram of rear outline border mould bases and ejection system；
Fig. 8 is rear cavity in the embodiment of the present invention two, the dimensional structure diagram of rear outline border mould bases and ejection system.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment one
The plating fast plastic mould for injection molding that the embodiment of the present invention one provides, including mould bases, mode, ejection
System and running gate system.Wherein, precision component of the mode for the crucial running at mold center position, complicated, difficult processing
Degree is big, and cost is high.Mode in the present embodiment includes front cavity and rear cavity and the gold in front cavity and rear cavity
Belong to mold insert, metal inserted piece is made of metal machining, and front cavity and rear cavity are all made of 3D printing and are made.Metal inserted piece is general
It is the mold insert for being used to form the thin position of bone, the deep position of bone or high details and high-precision position, such as sprue and sprue bushing, model position of bone thickness
It is more than the position of 5mm less than the position of 1mm, position of bone depth and requires high details and high-precision hinge and screw thread position, this
For a little privileged sites since the Product Precision of demand is higher, use condition is harsh, therefore is preferably made of traditional machining
Metal inserted piece, with extend mold service life, ensure injecting products quality.3D printing is a kind of increases material manufacturing technology, at
Type is not influenced by complicated, and the free forming of arbitrary shape may be implemented, and can simplify the supply chain at manufacture end, real
Existing industrial design end and manufacture slitless connection, therefore manufacturing innovation can be greatly facilitated and created.3D printing is a kind of innovation
The new tool of creation has many advantages, such as that manufacturing speed is fast, product effect is good, cost of manufacture is cheap, and front cavity and rear cavity are excellent
Choosing is made of 3D printing, can complete manufacture in several hours or non-working time, with this accelerate the manufacture of mold entirety into
Journey, and the manufacturing cost of mold entirety can be reduced.It is worth mentioning that the selective laser fusion technology in 3D printing technique
(SLM) and electron beam melting technology (EBM) can be directly realized by metallic print, can quickly obtain the blank part of metal, but logical
It often also needs to logical finishing in a few days and can be only achieved requirement, in addition needing for two to three weeks with the mould time, and be manufactured into
This compares traditional mach die cost higher, can not meet the demand of fast mould, therefore, the metal in the present embodiment
Mold insert preferably uses conventional metals machining to be made.
Further, in this embodiment front cavity and rear cavity preferably by using thermosetting resin or compound resin material
The stereolithography technology (SLA) of material, continuous liquid level manufacturing technology (CLIP), digital light processing forming technique (DLP), more materials
Material spraying technique (PolyJet) or material jet printing technology (MJP) directly print.Wherein, thermosetting resin includes number
Word ABS material, ultraviolet curable resin and light sensitivity composite resin material, the thermosetting resin plastic mould hardness after resin forming
(HRD) 80 or more, and plastic mould heat distortion temperature (HDT) is 50 DEG C or more under 0.45MPa load.Composite resin material
Including ceramic based resin composite material, metal based resin composite material and carbon-based resin composite material.Carbon-based resin composite wood
Material includes carbon nanotube, graphite and graphene powder, and ceramic base resin compounded includes silica, aluminium oxide and silicon nitride powder
End, metal based resin composite material includes silver, copper and powder of stainless steel, and the powder in composite resin material is micron order, sub-
Micron and/or nano-grade size.Front cavity and rear cavity in the present embodiment use digital ABS material (Digital ABS)
It is manufactured by more material spraying techniques (PolyJet), digital ABS material is a kind of thermosetting resin, by compliance resin and resistance to
High-temperature resin forms, and the mold printed by digital ABS material is a kind of core-shell structure, the shell of the plastic mould of manufacture
Material is compliance resin, and nuclear material is the digital material of mixing arrangement of compliance resin and fire resistant resin, PolyJet technologies
Also the same suitable mode of rigid material (Vero series) in plastic components printing.Compared to the portion of other 3D technologies printing
Part, this kind of component not only has preferable toughness and heat-resisting quantity, while having higher precision and stability and durability.
Further, in this embodiment front cavity and the surface of rear cavity be equipped with the plating that is formed by vacuum plating
Layer, setting electroplated layer can prevent mode from corroding in front cavity and rear cavity made of in plastics, improve its wearability, conduction
Property, reflective and having improved aesthetic appearance effect, and vacuum plating also has relatively low cost, small pollution of the environment, the product worked it out
The advantages that metal sense is strong, brightness is high.Electroplated layer in the present embodiment is preferably aluminium coated, the plastics mode thermal deformation temperature after aluminizing
Degree (HDT) can reach 130 degrees Celsius, while have wearability and high hardness, and have excellent surface smoothness.This reality
The surface for applying the front cavity and rear cavity in example is also coated with one layer of priming paint before plating, and a level paint is coated with after plating.
Primer coating can increase the adhesive force of coating and plastics mode surface before vacuum coating, close monomer and releasing agent etc. in plastics
Chemical residual substance improves plastic rubber substrate surface smoothness, it is ensured that obtain the coating effects of minute surface.Priming paint in the present embodiment is
UV including ethylene propylene acid esters, photoinitiator, polyurethane, prepolymer and acrylic polyol and hot dual cure type bottom
Paint.Using traditional thermosetting coating, as vacuum coating priming paint, there are many defects, and the solvent used in coating first is difficult choosing
It selects, low boiling point, high volatile solvent can destroy the planarization of coating in coating drying process；And use boiling point higher molten
Agent, the residual solvent in cured film are difficult to cleared, and when vacuum coating will migrate out from priming paint, influence coating quality；In addition
The disadvantages such as low, high energy consumption that there is also curing efficiencies, pollution environment.And ultraviolet light (UV) is coating material solidified applied to plastic vacuum coating
Have the advantages that obvious, but also has the shortcomings that its is apparent：As complex-shaped base material there are UV irradiate less than shadow part
Position generates solidification deficiency, and the possible UV irradiations in protruding parts are excessive and Yellowing occurs；Weatherability is insufficient；Coating shrinkage rate compared with
Greatly, internal stress is remained when solidification easily causes adhesive force decline.Respectively have advantage and disadvantage in view of photocuring and heat curing coating, using UV and
The method of hot dual cure can mutually learn from other's strong points to offset one's weaknesses, and photocuring can make film fast shaping or reach " surface drying ", heat cure
Make " shade " part or floor portions completion of cure, reaches system " doing solid work ", to expand the application range of photocuring system.
It is dual by UV, heat by the coating for selecting suitable oligomer, monomer and light (heat) initiator and other auxiliary agents to be formulated
After solidification, inierpeneirating network structure can be formed, shows good synergistic effect, the curing degree of film can be improved and is crosslinked close
Degree enhances the hardness and wearability of film, reduces shrinking percentage, improves the adhesive force of film.In addition, film also has outside preferable
It sees, since the volatile matter of coating is reduced, also advantageously to environmental protection.Finishing coat coated in plating layer surface is used to resist extraneous
Friction such as scrapes, scratches at the external force, and can provide certain resistance and barrier property, the finishing coat in the present embodiment be with 3~
The aliphatic urethane acrylate of 4 degrees of functionality, to provide excellent pigment wettability and preferable adhesive force and wearability.
Further, in this embodiment priming paint, electroplated layer and finishing coat integral thickness be 20-50 μm, the thickness of electroplated layer is 0.01 μ
M-6 μm, base coat thickness is preferably 20 μm, and plating thickness is preferably 0.2 μm, so as to can fill and lead up plastic cement mode table after coating prime lacquer
The rough defect in face simultaneously obtains ideal aluminizer metallic luster effect.
Further, as Figure 1-Figure 4, the mould bases in the present embodiment includes preceding outline border mould bases 1 and rear outline border mould bases 8,
Preceding outline border mould bases 1 and rear outline border mould bases 8 are respectively used to support, fixed front cavity and rear cavity.It is due to preceding outline border mould bases 1 and outer afterwards
Frame mould bases 8 can be shared when making various molds, therefore preceding outline border mould bases 1 in the present embodiment and rear outline border mould bases 8 are to adopt
The standard metal outline border mould bases being processed into traditional machine, preceding outline border mould bases 1 and rear outline border mould bases 8, can by the way of sharing
Further decrease manufacturing time and cost.Front cavity includes being equipped with the front cavity main body 3 for molding preceding model cavity 7, setting
The portions such as preceding mould runner 5, preceding sprue and sprue bushing 6, preceding screw hole 4 and front cavity tiger's jaw 2 in the front cavity main body 3
Part.Rear cavity includes being equipped with the rear cavity main body 10 for molding rear model cavity 15, setting mode main body 10 in the rear
Rear cavity tiger's jaw 9, rear mold runner 12, rear sprue and sprue bushing 13 and the components such as rear screw hole 11.Preceding sprue and purt
Mouth 6 and rear sprue and sprue bushing 13 are to machine manufactured metal inserted piece using metal, are directly filled respectively after the completion of being pre-machined
It is assigned in front cavity and rear cavity.There are two preceding screw hole 4 is set, it is separately positioned on the rear and front end of front cavity main body 3, front cavity
Main body 3 i.e. by 2 screws are each passed through two preceding screw holes 4 be fixed on before on outline border mould bases 1.Screw hole 11 is equally set afterwards
There are two, it is separately positioned on the rear and front end of rear cavity main body 10, rear cavity main body 10 is each passed through two by 2 screws
Afterwards screw hole 11 and be fixed on rear outline border mould bases 8.Preceding screw hole 4 and rear screw hole 11 are pre- by 3D printing when making respectively
It stays in front cavity and rear cavity, is equally reserved with and preceding screw hole 4 when making on preceding outline border mould bases 1 and rear outline border mould bases 8
Or 11 corresponding threaded hole of rear screw hole.Front cavity tiger's jaw 2 and rear cavity tiger's jaw 9 can cooperate close engaging, this implementation
Front cavity tiger's jaw 2 in example is four convex blocks protruding upward being arranged on 3 four angles of front cavity main body, rear cavity tiger's jaw 9
For four, the recessed portion to match with four bump positions and shape size on rear outline border mould bases 8 is set, when front cavity and after
When mode molds, by front cavity tiger's jaw 2 and rear cavity tiger's jaw 9 can position simultaneously clamping.Ejection system is arranged in rear outline border
On mould bases 8 in the one side opposite with rear cavity, for being ejected after mold is molded comprising thimble 14, thimble panel 16,
Ejector Retainer Plate 17 and top rod 18.To ensure that the precision of depanning, the thimble 14 in ejection system also first pass through metal machining system in advance
Make and assembles.
Further, in this embodiment mode multiple small mold inserts compositions also can be used, by being arranged on outline border mould bases
Multiple small mold inserts are removably mounted in the cavity of outline border mould bases and it are made to complement each other to form with for being molded by cavity
The mode of the model cavity of type.By the way that mode is divided into small mold insert one by one, and small mold insert is pacified by dismountable mode
In center mould bases, makes that quick replacement can be carried out to it when one of them small mold insert damage, without replacing other small mold inserts, keep away
Traditional die core insert is exempted from because of the case where being dropped or replace after local damage, has increased the service life of mode entirety, subtract
The maintenance cost of mold is lacked.Further, the avris for the mode that multiple small mold inserts form in outline border mould bases is matched by interference
Conjunction is fixed in the cavity, then mutually compressed under the pressure that cavity wall is given between adjacent small mold insert it is closely coupled, to
So that each small mold insert easily can be extracted or be inserted into clamping from outline border mould bases by external force, to realize the small mold insert of quick-replaceable
Purpose.The small mold insert can be divided into common position mold insert and privileged sites mold insert, privileged sites mold insert be used to form the thin position of bone,
The mold insert of the deep position of bone or high details and high-precision position, common position mold insert is the plastic insert made of 3D printing, special
Position mold insert is the metal inserted piece made of machining, and privileged sites mold insert is since the precision of demand is higher, preferably
Using metal inserted piece made of traditional machining, to extend the service life of mold, ensure the quality of injecting products, and common position
Mold insert preferably uses the plastic insert made of 3D printing quickly, can complete manufacture in several hours or non-working time,
Accelerate the manufacture process of mold entirety with this, and the manufacturing cost of mold entirety can be reduced.
Plating fast plastic mould provided in an embodiment of the present invention is suitable for horizontal or vertical injection molding machine, is suitble at 200 tons
It is molded on the injection molding machine of following clamp force, is suitable for melting temperature in 300 DEG C of thermoplastic materials and thermosetting material below
The injection molding of material, the thermoplastic material especially suitable for the low adhesive force such as polyethylene (PE) and polypropylene (PP).Above-mentioned thermoplasticity material
Material includes polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), thermoplastic elastomer (TPE) (TPE), polylactic acid (PLA), propylene
Nitrile-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 present invention is also fitted
For unconventional wax (Wax) injection molding, ceramic powders are injection moulded the notes such as (CIM) and metal powder injection molding (MIM)
Mould molding mode.
After the completion of the plating fast plastic mould integrally assembles, which is attached to Babyplast micro-injection mouldings
On machine (6 tons of locked mode pressure), the heating melting of polyethylene (PE) plastic granule is injected by sprue through nozzle by running gate system
And in sprue bushing and model cavity, molded after cooling in pressurize and mould, mode is blown through air pressure gun to be cooled to 25 DEG C or so and can pass through top
Go out system ejecting product.
Plating fast plastic mould reliability provided in this embodiment is high, applicability is wide, can quickly be noted within 72 hours
Modeling obtains the authentic material complex component of a high-quality more than 200, and this component is suitble to need quickly to obtain in product development front end
The model of authentic material carries out functional test, including assembly, folding and durability etc..
Embodiment two
As shown in Fig. 5 to Fig. 8, unlike embodiment one：Front cavity and rear cavity in embodiment two are based on resistance to
High temperature photosensitive resin material is printed by stereo lithography (SLA), the photosensitive resin material be a kind of epoxy resin and
Polymethacrylate resin interpenetrating networks (IPN) are the heat with good rigidity, high temperature resistant and wearability and dimensional stability
Thermosetting resin.Also ceramic base compound resin can be used to be manufactured by stereo lithography (SLA) in other embodiments, and is adding
The resin forming rear mold for entering ceramic powders has higher temperature tolerance and wearability.
Mould bases in embodiment two includes preceding outline border mould bases 1 and rear outline border mould bases 8, preceding outline border mould bases 1 and rear outline border mould bases 8
For the standard metal outline border mould bases being processed into using traditional machine, preceding outline border mould bases 1 and rear outline border mould bases 8 are using shared side
Formula can further decrease manufacturing time and cost.Front cavity include be equipped with for molding preceding model cavity 7 front cavity main body 3,
Preceding mould runner 5, preceding sprue and sprue bushing 5, preceding screw hole 4 and the front cavity tiger's jaw 2 being arranged in the front cavity main body 3
Equal components.Rear cavity includes being equipped with the rear cavity main body 10 for molding rear model cavity 15, setting mode main body in the rear
The components such as rear cavity tiger's jaw 9, rear mold runner 13, rear sprue and sprue bushing 12 and rear screw hole 11 on 10.Preceding sprue
And sprue bushing 5 and rear sprue and sprue bushing 12 be using metal machine made of metal inserted piece, after the completion of being pre-machined directly point
It is not assembled in front cavity and rear cavity.There are two preceding screw hole 4 is set, it is separately positioned on the rear and front end of front cavity main body 3, it is preceding
Mode main body 3 i.e. by 2 screws are each passed through two preceding screw holes 4 be fixed on before on outline border mould bases 1.Screw hole 11 is same afterwards
There are two sample is set, it is separately positioned on the rear and front end of rear cavity main body 10, rear cavity main body 10 is each passed through by 2 screws
Screw hole 11 after two and be fixed on rear outline border mould bases 8.Preceding screw hole 4 and rear screw hole 11 are beaten when making by 3D respectively
Print is reserved in front cavity and rear cavity, is equally reserved with and preceding screw when making on preceding outline border mould bases 1 and rear outline border mould bases 8
11 corresponding threaded hole of hole 4 or rear screw hole.Front cavity tiger's jaw 2 and rear cavity tiger's jaw 9 can cooperate close engaging, this reality
It is four convex blocks protruding upward being arranged on 3 four angles of front cavity main body, rear cavity tiger's jaw to apply the front cavity tiger's jaw 2 in example
9 are arranged the recessed portion to match with four bump positions and shape size on rear outline border mould bases 8 for four, when front cavity and after
When mode molds, by front cavity tiger's jaw 2 and rear cavity tiger's jaw 9 can position simultaneously clamping.Ejection system is arranged in rear outline border
On mould bases 8 in the one side opposite with rear cavity, for being ejected after mold is molded comprising thimble 16, thimble panel 17,
Ejector Retainer Plate 18 and top rod 19.To ensure that the precision of depanning, the thimble 16 in ejection system also first pass through metal machining system in advance
Make and assembles.
After the plating fast plastic mould for injection molding that embodiment two provides completes the production, manually plastics
Mold is attached on Babyplast miniature injection machines (6 tons of locked mode pressure), medical grade polypropylene (PP) plastic granule is heated molten
Melt and be injected into mold cavity through nozzle, molded after being cooled down in pressurize and mould, mode is blown through air pressure gun is cooled to 25 DEG C or so ejection productions
Product.
Using plating fast plastic mould provided by Embodiment 2 of the present invention, height can be obtained by fast injection molding within 72 hours
The component of the authentic material of quality is a up to more than 100, and this component is suitble to need quickly to obtain true material in product development front end
The model of material carries out functional test, including assembly, intensity, medical certification and durability etc..
The embodiment of the present invention also provides a kind of manufacturing method making above-mentioned plating fast plastic mould, and the plating is quick
Plastic mould includes front cavity and rear cavity, and the metal inserted piece in front cavity and rear cavity, and metal inserted piece is to use
In the mold insert for forming the thin position of bone, the deep position of bone or high details and high-precision position, the manufacturing method includes the following steps：
S1 makes front cavity and rear cavity using 3D printing, is machined by metal and makes metal inserted piece.
In this step, metal inserted piece is generally used for being formed the thin position of bone, the deep position of bone or high details and high-precision position
Mold insert, the position of position, position of bone depth more than 5mm and requirement such as sprue and sprue bushing, model position of bone thickness less than 1mm are high
Details and high-precision hinge and screw thread position, for these privileged sites since the Product Precision of demand is higher, use condition is harsh,
Therefore preferably using metal inserted piece made of traditional machining, to extend the service life of mold, ensure the quality of injecting products.
3D printing is a kind of new-create new tool of wound, has many advantages, such as that manufacturing speed is fast, product effect is good, cost of manufacture is cheap,
Front cavity and rear cavity are preferably made of 3D printing, can be completed manufacture in several hours or non-working time, be accelerated with this
The manufacture process of mold entirety, and the manufacturing cost of mold entirety can be reduced.Further, in this embodiment front cavity and after
Mode is preferably manufactured by using the stereolithography technology (SLA) of thermosetting resin or composite resin material, continuous liquid level
Technology (CLIP), digital light processing forming technique (DLP), more material spraying techniques (PolyJet) or material jet printing technology
(MJP) it directly prints.Wherein, thermosetting resin includes digital ABS material, ultraviolet curable resin and light sensitivity compound resin material
Expect, the thermosetting resin plastic mould hardness (HRD) after resin forming is 80 or more, and the plastic mould under 0.45MPa load
Heat distortion temperature (HDT) is 50 DEG C or more.Composite resin material includes ceramic based resin composite material, Metal Substrate resin compounded material
Material and carbon-based resin composite material.Carbon-based resin composite material includes carbon nanotube, graphite and graphene powder, ceramic base tree
Compound fat includes silica, aluminium oxide and alpha-silicon nitride powders, and metal based resin composite material includes silver, copper and stainless steel powder
End, and the powder in composite resin material is micron order, sub-micron and/or nano-grade size.Front cavity in the present embodiment
It is manufactured by more material spraying techniques (PolyJet) using digital ABS material (Digital ABS) with rear cavity, digital ABS materials
Material is a kind of thermosetting resin, is made of compliance resin and fire resistant resin, the mold printed by digital ABS material
It is a kind of core-shell structure, the shell material of the plastic mould of manufacture is compliance resin, and nuclear material is compliance resin and Nai Gao
The digital material of mixing arrangement of warm resin, plastics in rigid material (Vero series) also the same suitable mode of PolyJet technologies
The printing of component.Compared to the component of other 3D technologies printing, this kind of component not only has preferable toughness and heat-resisting quantity, together
When have higher precision and stability and durability.
S2 is in front cavity and rear cavity surface primer coating；Electroplated layer is formed on plastic insert surface using vacuum plating；
Finishing coat is coated in front cavity and rear cavity surface.
In this step, the surface of front cavity and rear cavity forms electroplated layer by vacuum plating, can prevent mode from corroding,
Improve its wearability, electric conductivity, reflective and having improved aesthetic appearance effect, and vacuum plating also has that cost is relatively low, dirt to environment
Contaminate the advantages that resultant metal sense that is small, working it out is strong, brightness is high.Electroplated layer in the present embodiment is preferably aluminium coated, after aluminizing
Plastics mode heat distortion temperature (HDT) can reach 130 degrees Celsius, while there is wearability and high hardness, and with excellent
Different surface smoothness.The surface of front cavity and rear cavity in the present embodiment is also coated with one layer of priming paint, plating before plating
It is coated with a level paint afterwards.Primer coating can increase the adhesive force of coating and plastics mode surface, closing modeling before vacuum coating
The chemical residuals substance such as monomer and releasing agent in material improves plastic rubber substrate surface smoothness, it is ensured that obtains the plated film effect of minute surface
Fruit.Priming paint in the present embodiment be include ethylene propylene acid esters, photoinitiator, polyurethane, prepolymer and acrylic acid multielement
The UV of alcohol and hot dual cure type priming paint.Using traditional thermosetting coating, as vacuum coating priming paint, there are many defects, first
Solvent used in first coating is difficult selection, and low boiling point, high volatile solvent can destroy the smooth of coating in coating drying process
Property；And the higher solvent of boiling point is used, the residual solvent in cured film is difficult to cleared, and when vacuum coating will migrate out from priming paint
Come, influences coating quality；It additionally, there may be the disadvantages such as low curing efficiency, high energy consumption, pollution environment.And ultraviolet light (UV) solidification applies
Material, which is applied to plastic vacuum coating, to be had the advantages that obvious, but also has the shortcomings that its is apparent：As complex-shaped base material is deposited
UV irradiations less than shade position, it is insufficient to generate solidification, protruding parts may UV irradiations it is excessive and Yellowing occurs；It is weather-proof
Property it is insufficient；Coating shrinkage rate is larger, and residual internal stress easily causes adhesive force decline when solidification.In view of photocuring and heat curing coating
Each tool advantage and disadvantage, can mutually be learnt from other's strong points to offset one's weaknesses, photocuring can make film fast shaping using the method for UV and hot dual cure
Or reaching " surface drying ", heat cure makes " shade " part or floor portions completion of cure, reaches system " doing solid work ", to expand light
The application range of curing system.By selecting suitable oligomer, monomer and light (heat) initiator and other auxiliary agents to be formulated
Coating can form inierpeneirating network structure after UV, hot dual cure, show good synergistic effect, painting can be improved
The curing degree and crosslink density of film enhance the hardness and wearability of film, reduce shrinking percentage, improve the adhesive force of film.In addition,
Film also has preferable appearance, since the volatile matter of coating is reduced, also advantageously to environmental protection.Coated in plating layer surface
Finishing coat is used to resist the external force such as extraneous friction, scraping, scuffing, and can provide certain resistance and barrier property, this implementation
Example in finishing coat be the aliphatic urethane acrylate with 3~4 degrees of functionality, with provide excellent pigment wettability and preferably
Adhesive force and wearability.Further, in this embodiment priming paint, electroplated layer and finishing coat integral thickness be 20-50 μm,
The thickness of electroplated layer is 0.01 μm -6 μm, and base coat thickness is preferably 20 μm, and plating thickness is preferably 0.2 μm, so that application bottom
The defect of plastic cement mode surface irregularity can be filled and led up after paint and obtains ideal aluminizer metallic luster effect.The tool of this step
Body implementation process is：1. pair front cavity processed and rear cavity check, standard compliant to enter next step；2. before pair
Mode and rear cavity are dried, and the front cavity and rear cavity processed still contains compared with juicy, need to be dried 3-5h, temperature is
50-60℃；3. by after drying front cavity and rear cavity restocking, when general injection molding press vacuum coating production substantially, therefore before waiting for
The general greasy dirt of mode and rear cavity surface it is less by general wiping can restocking, but when greasy dirt is more need to carry out at decontamination
Reason；Method is the processing such as to impregnate, scrub and dry with isopropanol or ethyl alcohol；4. pair front cavity and rear cavity are dusted, this
Procedure is the key that ensure one of vacuum coating coating quality, and there are two types of methods：One is wait for Vacuum Deposition with dust catcher alignment
The carefully dedusting of film plating piece, another kind are the methods with high pressure its " drifting dust "；5. in front cavity and rear cavity surface primer coating；
6. drying again, need to carry out solid processing after levelling of painting, method has infrared heating method, electric heating heating and ultraviolet light (UV)
Solidification method etc., solidification temperature are 60-70 DEG C, hardening time 1.5-2.5h；7. vacuum coating waits for front cavity and rear cavity restocking
And tungsten filament is loaded onto, right fed to boiler checks whether contact is good, and rotation is normal, closes vacuum coating vacuum chamber, vacuumizes；Vacuum Deposition
Film evaporation plating aluminium, vacuum coating vacuum degree control when as decorating film vacuum coating evaporation of aluminum is in (1-2) X10-2Pa, Vacuum Deposition
Film evaporation can reduce oxidation probability using rapid evaporation, and the institutional framework of vacuum coating film layer will not be made thicker；Cooling inflation,
After vacuum coating evaporation of aluminum, you can inflation is come out of the stove；8, it paints, protects the metallic diaphragm of vacuum coating, standard is done for coloring work
It is standby；9. coloring, finishing coat can carry out dyeing processing after thoroughly curing.
Metal inserted piece is assembled in front cavity and rear cavity by S3, forms complete mold.
In addition, front cavity and rear cavity can also be designed as multiple small mold inserts during manufacture and by 3D printing or gold
Belong to machining to be made, by the way that cavity is arranged on outline border mould bases, multiple small mold inserts are removably mounted to the cavity of outline border mould bases
In and make its complement each other to form with for injection molding model cavity mode.By the way that mode is divided into one by one small
Mold insert, and small mold insert is mounted on by dismountable mode in center mould bases, it can be to it when one of them small mold insert being made to damage
Quick replacement is carried out, without replacing other small mold inserts, avoids traditional die core insert because being dropped after local damage or more
The case where changing increases the service life of mode entirety, reduces the maintenance cost of mold.Further, multiple small mold inserts are outside
The avris of the mode formed in frame mould bases is fixed on by interference fit in the cavity, then in cavity wall between adjacent small mold insert
Mutually compressed under the pressure given it is closely coupled, to make each small mold insert that can easily be extracted from outline border mould bases by external force
Or it is inserted into clamping, to realize the purpose of the small mold insert of quick-replaceable.The small mold insert can be divided into common position mold insert and privileged sites
Mold insert, privileged sites mold insert are the mold insert for being used to form the thin position of bone, the deep position of bone or high details and high-precision position, common position edge
Part is the plastic insert made of 3D printing, and privileged sites mold insert is the metal inserted piece made of machining, privileged sites
Mold insert is since the precision of demand is higher, preferably using metal inserted piece made of traditional machining, to extend mold
Service life, the quality for ensureing injecting products, and common position mold insert preferably uses the plastic insert made of 3D printing quickly, it can
Manufacture is completed in several hours or non-working time, accelerates the manufacture process of mold entirety with this, and mold entirety can be reduced
Manufacturing cost.
This method embodiment provide plating fast plastic mould manufacturing method manufacturing method combine 3D printing and
The mach advantage of metal, the common position in mode have that the manufacturing cycle is short, manufacturing cost is low and injection molding portion using 3D printing
The high feature of part quality can complete manufacture, the privileged site complexed metal edge in mode in several hours or non-working time
Part can extend die life and quickly obtain beautiful and high-quality injection molding component, and can obtain the note of preferable transparency
Model is moulded, mold weight can also be mitigated by design topology, to be further reduced mold manufacturing time and cost；Using
The method of vacuum plating is electroplated, and the plastics mode heat distortion temperature (HDT) after aluminizing can reach 130 degrees Celsius, have simultaneously
There are wearability and high hardness, and there is excellent surface smoothness；Suitable for horizontal or vertical injection molding machine, it is suitble to 200
Ton or less be molded on the injection molding machine of clamp force, be suitable for melting temperature in 300 DEG C of thermoplastic materials and thermosetting property below
The injection molding of material, the thermoplastic material especially suitable for the low adhesive force such as polyethylene (PE) and polypropylene (PP).Use the present invention
The plating fast plastic mould and its manufacturing method for injection molding provided is short with the manufacturing cycle, manufacturing cost is low and note
The high feature of part quality is moulded, the high-quality of authentic material can be produced by the direct small lot of numerical DC speed within 72 hours
The injection molding component of amount.
The embodiment of the present invention is described above in association with attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of plating fast plastic mould for injection molding, including front cavity and rear cavity, which is characterized in that further include
Metal inserted piece in the front cavity and rear cavity, the metal inserted piece are to be used to form the thin position of bone, the deep position of bone or height
The mold insert of details and high-precision position, the metal inserted piece are made of metal machining, and the front cavity and rear cavity are adopted
It is made of 3D printing, and is equipped with the electroplated layer formed by vacuum plating on the surface of the front cavity and rear cavity.
2. plating fast plastic mould according to claim 1, which is characterized in that the front cavity and rear cavity are by thermosetting
One or more in property resin material or composite resin material are made.
3. plating fast plastic mould according to claim 2, which is characterized in that the front cavity and rear cavity pass through vertical
Body photoetching forming technique (SLA), continuous liquid level manufacturing technology (CLIP), digital light processing forming technique (DLP), the injection of more materials
Technology (PolyJet) or material jet printing technology (MJP) directly printing are made.
4. plating fast plastic mould according to claim 1, which is characterized in that the electroplated layer is aluminium coated, described
The surface of front cavity and rear cavity is additionally provided with priming paint coated in electroplated layer bottom surface and coated in the electroplated layer top surface
Finishing coat.
5. plating fast plastic mould according to claim 4, which is characterized in that the priming paint, electroplated layer and finishing coat
Integral thickness is 20-50 μm, and the thickness of the electroplated layer is 0.01 μm -6 μm.
6. plating fast plastic mould according to claim 4, which is characterized in that the priming paint be include ethylene propylene
Acid esters, photoinitiator, polyurethane, prepolymer and acrylic polyol UV and hot dual cure type priming paint, the finishing coat be
Aliphatic urethane acrylate.
7. plating fast plastic mould according to claim 1, which is characterized in that the metal inserted piece include sprue and
Sprue bushing, and it is used to form the mold insert of hinge position and screw thread position.
8. a kind of manufacturing method of plating fast plastic mould, which is characterized in that the plating fast plastic mould includes preceding mould
Renhe rear cavity and the metal inserted piece in the front cavity and rear cavity, the metal inserted piece are to be used to form thin bone
Position, the deep position of bone or high details and high-precision position mold insert, the described method comprises the following steps：
S1 makes the front cavity and rear cavity using 3D printing, and the metal inserted piece is made by metal machining；
S2 forms electroplated layer using vacuum plating on the plastic insert surface；
The metal inserted piece is assembled in the front cavity and rear cavity by S3.
9. manufacturing method according to claim 8, which is characterized in that further include before the step S2：Before described
Mode and rear cavity surface primer coating；Further include after the step S2：It is coated in the front cavity and rear cavity surface
Finishing coat.
10. according to manufacturing method according to any one of claims 8, which is characterized in that the step S1 further includes：The front cavity and rear mold
Benevolence is by using the stereolithography technology (SLA) of thermosetting resin or composite resin material, continuous liquid level manufacturing technology
(CLIP), digital light processing forming technique (DLP), more material spraying techniques (PolyJet) or material jet printing technology (MJP)
Directly print.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810217421.8A CN108297315A (en) | 2018-03-16 | 2018-03-16 | A kind of plating fast plastic mould and its manufacturing method for injection molding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810217421.8A CN108297315A (en) | 2018-03-16 | 2018-03-16 | A kind of plating fast plastic mould and its manufacturing method for injection molding |
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| CN108297315A true CN108297315A (en) | 2018-07-20 |
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| CN201810217421.8A Pending CN108297315A (en) | 2018-03-16 | 2018-03-16 | A kind of plating fast plastic mould and its manufacturing method for injection molding |
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