CN102173027B - Injection molding device and process for injection molding of highlight injection molded part with metallic taste by utilizing same - Google Patents
Injection molding device and process for injection molding of highlight injection molded part with metallic taste by utilizing same Download PDFInfo
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- CN102173027B CN102173027B CN 201110003557 CN201110003557A CN102173027B CN 102173027 B CN102173027 B CN 102173027B CN 201110003557 CN201110003557 CN 201110003557 CN 201110003557 A CN201110003557 A CN 201110003557A CN 102173027 B CN102173027 B CN 102173027B
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- 238000002347 injection Methods 0.000 title claims abstract description 113
- 239000007924 injection Substances 0.000 title claims abstract description 113
- 238000001746 injection moulding Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 33
- 208000025371 Taste disease Diseases 0.000 title abstract 5
- 235000019656 metallic taste Nutrition 0.000 title abstract 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000011347 resin Substances 0.000 claims abstract description 49
- 229920005989 resin Polymers 0.000 claims abstract description 49
- 239000007789 gas Substances 0.000 claims abstract description 38
- 229920003023 plastic Polymers 0.000 claims abstract description 25
- 239000004033 plastic Substances 0.000 claims abstract description 25
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims description 33
- 239000002184 metal Substances 0.000 claims description 33
- 238000010061 rubber shaping Methods 0.000 claims description 12
- 241000505673 Scintilla Species 0.000 claims description 11
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 238000010137 moulding (plastic) Methods 0.000 abstract 1
- 239000004568 cement Substances 0.000 description 11
- 238000005507 spraying Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- -1 kirsite Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an injection molding device and a process for the injection molding of a highlight injection molded part with metallic taste by utilizing the same, wherein a highlight plastic product with the metallic taste can be directly obtained once for all while the injection molding and the secondary processing treatment is not needed. The injection molding device provided by the invention comprises: an injection molding machine mold opening and locking system, an injection molding machine gun barrel internally provided with an injection molding machine screw, a multi-functional mold temperature machine, a high-pressure gas controller, a terminal controller, a nitrogen generator and a material stoving barrel. The process for the injection molding of the highlight injection molded part with the metallic taste, provided by the invention, comprises the steps of: starting the injection molding machine mold opening and locking system and beginning to close a mold, heating an injection mold, starting the injection molding machine gun barrel to heat resin to ensure that the heated resin reaches to a molten state, inputting nitrogen into the injection molding machine gun barrel, injecting the resin in the molten state into the injection mold to reach the 80-95% of the total weight of a plastic molding product, stopping injecting the resin into the injection mold, cooling the injection mold till being lower than the softening point the resin per se, opening the mold and taking out to obtain a plastic part with highlight and metallic taste.
Description
[technical field]
The present invention relates to a kind of injection molding apparatus and technique thereof, relate in particular to a kind of injection molding apparatus and use the technique of the high light moulding of this equipment injection moulding metal sense.
[background technology]
In continuous upgrading, the decorative appearance of industrial sector bound pair product emerges in an endless stream along with economic development, and the high light plastic cement products that is rich in the metal sense is exactly day by day to pursue the innovation changes persuing, highlights a kind of in the individual requirement product.
All high finish surface plastic cement products with metal sense all obtain by the following method in the market: 1, adopt common Shooting Technique to obtain plastic cement products;
2, the high gloss oil or the baking vanish that the plastic cement products spraying are contained metal dust.
The high light plastic cement products of the metal sense that above-mentioned traditional handicraft obtains has following defective: equipment investment is expensive, need investment construction painting workshop and spraying coating line to cause the finished product unit price expensive, production capacity is low, acceptance rate is low, the spraying coating process contaminated environment, and need a large amount of human resources to be used for the packing of injecting products, transportation, repeated packing repeats transportation.Therefore, need to seek two processes that a kind of more effective technique merges traditional handicraft together.
[summary of the invention]
The present invention has overcome the shortcoming in present technology, and a kind of directly high light plastic cement products that obtains having the metal sense of one-time-reach-place in the time of injection mo(u)lding is provided, the high light injection molding process of metal sense that does not need secondary operations to process.
For achieving the above object, the present invention is achieved by the following scheme:
a kind of injection molding apparatus, it is characterized in that comprising injection machine unlocking mold system, be provided with injection mold in described injection machine unlocking mold system, being connected with on described injection mold can be to the Multifunctional mould temperature controller of injection mold heating, being provided with at described injection mold one end can be to described injection mold injecting material and can be to the injection machine gun barrel of described heating material, be connected with the oven dry charging basket on described injection machine gun barrel one end, particulate resins can enter in described injection machine gun barrel from described oven dry charging basket, be provided with in described injection machine gun barrel and the resin that is injection molding the machine gun cylinder and is heated into molten condition can be sent into the screw in injection molding machine of injection mold, be respectively equipped with the first check ring and the second check ring on described screw in injection molding machine one end, be connected with the gases at high pressure controller on the injection machine gun barrel between described the first check ring and the second check ring, be respectively equipped with the first gas check (non-return) valve and the second gas check (non-return) valve on two air shooters that are connected between described injection machine gun barrel and gases at high pressure controller, be provided with the pipeline that is connected with the gases at high pressure controller on the nozzle end of described injection machine gun barrel, stop and prevention contains the nozzle check (non-return) valve that the molten condition resin of nitrogen scintilla overflows under the gases at high pressure effect being provided with on described pipeline, described injection machine unlocking mold system, Multifunctional mould temperature controller and gases at high pressure controller are controlled by control terminal.
A kind of injection molding apparatus as above is characterized in that being connected with nitrogen gas generator on described gases at high pressure controller.
A kind of injection molding apparatus as above is characterized in that being connected with the can pure nitrogen gas on described gases at high pressure controller.
A kind of technique of using the high light moulding of equipment injection moulding metal sense as above is characterized in that described technique comprises the following steps:
A, open injection machine unlocking mold system and injection mold is in close the mould state, injection mold is heated, start injection machine gun barrel, the resin that contains metal color in the heating injection machine gun barrel makes it reach molten condition;
B,, control the gases at high pressure controller and input nitrogen to injection machine gun barrel during higher than the softening point of resin itself when the injection mold temperature, make molten condition get resin and contain the nitrogen scintilla;
C, control screw in injection molding machine with the resin injection injection mold of molten condition in injection machine gun barrel;
D,, stop to the injection mold resin by injection during to the 80-95% of plastic rubber shaping product gross weight when the resin filling in injection mold, allow the nitrogen scintilla constantly expand until the resin solidification of molten condition between molecular resin;
E, cooling injection mold to the temperature of plastic rubber shaping product lower than the softening point of resin itself after die sinking take out, can obtain having the plastic rubber shaping product on high light metal sense surface.
Technique as above is characterized in that adopting in step a Multifunctional mould temperature controller that injection mold is heated, and specifically: the hot water that starts 180 ℃ of Multifunctional mould temperature controller generations heats the injection mold outer wall.Wherein said Multifunctional mould temperature controller is the number of patent application that the applicant applied on July 20th, 2010: 201020271728.5 " a kind of injection mold temperature control system ", this system can produce the hot water of 180 ℃.
Technique as above is characterized in that the nitrogen described in step b by nitrogen gas generator production, and purity is 98%.
Technique as above is characterized in that the nitrogen described in step b is the can pure nitrogen gas.
Technique as above is characterized in that the resin that metal color is arranged described in step a is the dry resin that is mixed with granulated metal.
Technique as above is characterized in that described granulated metal is the one or more kinds of mixtures in copper, zinc, aluminium, nickel monomer or alloy.Wherein said granulated metal can be the one or more kinds of mixtures in copper, zinc, aluminium, nickel monomer; Perhaps described granulated metal can be the one or more kinds of mixtures in copper alloy, kirsite, aluminium alloy, nickel alloy; Perhaps described granulated metal is the two or more mixture in above-mentioned monomer and alloy.
Adopt technological process of the present invention, mainly contain following some advantage:
Granulated metal is mixed in engineering resin, and injection mo(u)lding products formed out has metal sense true to nature;
Be applicable to the resin forming technique of various different colours;
Products formed need to not done the secondary operations processing of the high light spraying of metal at product surface, cost reaches more than 60% lower than the product of secondary surface treatment;
The product of injection mo(u)lding of the present invention involves a wide range of knowledge: the home electronic appliance product is arranged, the plastic cement products of automobile decoration and all thermoplasticity engineering plastic injection-molded items.
[description of drawings]
Fig. 1 is the fundamental diagram of technique of the present invention;
Fig. 2 is the flow chart of technique of the present invention;
[specific embodiment]
Below in conjunction with accompanying drawing, the present invention is done further detailed description of the process.
as shown in Figure 1, injection molding apparatus of the present invention comprises injection machine unlocking mold system 1, be provided with injection mold 5 in described injection machine unlocking mold system 1, being connected with on described injection mold 5 can be to the Multifunctional mould temperature controller 2 of injection mold 5 heating, being provided with at described injection mold 5 one ends can be to the injection machine gun barrel 12 of described injection mold 5 injecting materials, be connected with oven dry charging basket 6 on described injection machine gun barrel 12 1 ends, be provided with in described injection machine gun barrel 12 and the resin that is injection molding the machine gun cylinder and is heated into molten condition can be sent into the screw in injection molding machine 9 of injection mold 5, be respectively equipped with the first check ring 7 and the second check ring 8 on described screw in injection molding machine 9 one ends, be connected with gases at high pressure controller 3 on the injection machine gun barrel 12 between described the first check ring 7 and the second check ring 8, be respectively equipped with the first gas check (non-return) valve 10 and the second gas check (non-return) valve 11 on two air shooters that are connected between injection machine gun barrel 12 and gases at high pressure controller 3, be provided with the pipeline that is connected with gases at high pressure controller 3 on described injection machine gun barrel 12 nozzle front ends, stop and prevention contains the nozzle check (non-return) valve 14 that the molten condition resin 17 of nitrogen scintilla overflows under the gases at high pressure effect being provided with on described pipeline, described injection machine unlocking mold system 1, Multifunctional mould temperature controller 2 and gases at high pressure controller 3 are controlled by control terminal 15.
Can be connected with nitrogen gas generator 4 or can pure nitrogen gas on described gases at high pressure controller 3.
Preparation before the technique of the high light moulding of injection moulding metal of the present invention sense:
Preparation contains the resin of metal color and with its thorough oven dry; Screw in injection molding machine 9 is placed in injection machine gun barrel 12 rear ends allows the particulate resin of oven dry charging basket 6 be squeezed into the front end of screw in injection molding machine 9.
Set the parameter of Multifunctional mould temperature controller 2, its hot water that produces 180 ℃ is heated the injection mold outer wall; Set the parameter of gases at high pressure controller 3, control the amount of nitrogen input injection machine gun barrel 12; The condition of molding of setting injection machine unlocking mold system 1.
Technological process is described:
As shown in Figure 2, startup injection machine unlocking mold system 1 is in injection mold 5 and closes the mould state, signal is transferred to control terminal 15 from injection machine unlocking mold system 1, control terminal 15 with signal feedback to Multifunctional mould temperature controller 2, Multifunctional mould temperature controller 2 begins to injection mold 5 heating, start injection machine gun barrel 12, the particulate resins that contains metal color 16 to the fusing point intermediate value in heating injection machine gun barrel 12 makes it become molten condition.
The softening point that reaches higher than resin itself when injection mold 5 actual temperatures sets value, signal is transferred to control terminal 15, signal is transferred to gases at high pressure controller 3 again from control terminal 15, nozzle check (non-return) valve 14 is opened when gases at high pressure controller 3 receives signal, the first gas check (non-return) valve 10 and the second gas check (non-return) valve 11 are closed, and the molten condition resin 17 that contains the nitrogen scintilla injects rapidly injection mold 5 under the promotion of screw in injection molding machine 9.
When the resin 17 that contains the nitrogen scintilla when molten condition is filled to the 80-95% of plastic rubber shaping product 13 gross weights in injection mold 5, stops screw in injection molding machine 9 and push ahead, nozzle check (non-return) valve 14 stops cutting out simultaneously at screw in injection molding machine 9.in the middle of the plastic rubber shaping product 13 of this moment in injection mold 5, the extruding of expanding rapidly of nitrogen scintilla promotes to be uniformly distributed in each corner in die cavity with the resin 17 of molten condition, the molten condition resin do not transfer to solid-state before, the miniature molecule of nitrogen constantly expands until the resin solidification of molten condition between molecular resin, when the plastic rubber shaping product 13 in injection mold 5 begin full gradually under the expansion of nitrogen scintilla, do not have from the screw rod dwell pressure in the middle of whole plastic cement products forming process, product never is full of under the die cavity situation expansion by nitrogen molecule makes that between the plastic cement molecule, the interval continues to increase, make plastic cement products full, originally the black vestige of metal strip and the strip difference color that concentrated on back, position, hole also disappear along with the continuous expansion of plastic cement molecule, finally obtain can't see the plastic rubber shaping product with high light metal sense surface of metal strip vestige and strip difference color.
When screw in injection molding machine 9 begins metering for next cycle preparation storing, control terminal 15 receives the signal of gases at high pressure controller 3, control that Multifunctional mould temperature controller 2 begins to injection mold 5 coolings until the temperature of plastic rubber shaping product 13 sets value lower than the softening point of resin itself, control terminal 15 acknowledge(ment) signals also feed back to injection machine 1, injection machine 1 die sinking, take out plastic rubber shaping product 13, i.e. high light plasthetics with metal sense, an injection cycle finishes.
Screw in injection molding machine 9 beginning is during to injection machine gun barrel 12 rear end rotary metering, the particulate resins 16 of oven dry charging basket 6 the insides will be rotated toward the front end of screw rod by screw rod and be pushed, the first gas check (non-return) valve 10 and the second gas check (non-return) valve 11 are opened, nitrogen is exported through gases at high pressure controller 3 injection injection machine gun barrels 12 interior foremost from nitrogen gas generator 4, the effect of the first check ring 7 and the second check ring 8 is when nitrogen injects, and avoids nitrogen molecule to leak into the middle rear end of nozzle front end and the gun barrel of injection machine gun barrel 12.
Claims (9)
1. injection molding apparatus, it is characterized in that comprising injection machine unlocking mold system (1), be provided with injection mold (5) in described injection machine unlocking mold system (1), being connected with on described injection mold (5) can be to the Multifunctional mould temperature controller (2) of injection mold (5) heating, being provided with at described injection mold (5) one ends can be to described injection mold (5) injecting material and can be to the injection machine gun barrel (12) of described heating material, be connected with oven dry charging basket (6) on described injection machine gun barrel (12) one ends, particulate resins (16) can enter in described injection machine gun barrel (12) from described oven dry charging basket (6), be provided with in described injection machine gun barrel (12) and the resin (17) that is injection molding machine gun cylinder (12) and is heated into molten condition can be sent into the screw in injection molding machine (9) of injection mold (5), be respectively equipped with the first check ring (7) and the second check ring (8) on described screw in injection molding machine (9) one ends, be connected with gases at high pressure controller (3) on the injection machine gun barrel (12) between described the first check ring (7) and the second check ring (8), be respectively equipped with the first gas check (non-return) valve (10) and the second gas check (non-return) valve (11) on two air shooters that are connected between described injection machine gun barrel (12) and gases at high pressure controller (3), be provided with the pipeline that is connected with gases at high pressure controller (3) on the nozzle end of described injection machine gun barrel (12), stop and prevention contains the nozzle check (non-return) valve (14) that the molten condition resin (17) of nitrogen scintilla overflows under the gases at high pressure effect being provided with on described pipeline, described injection machine unlocking mold system (1), Multifunctional mould temperature controller (2) and gases at high pressure controller (3) are controlled by control terminal (15).
2. a kind of injection molding apparatus according to claim 1, is characterized in that: be connected with nitrogen gas generator (4) on described gases at high pressure controller (3).
3. a kind of injection molding apparatus according to claim 1, is characterized in that: be connected with the can pure nitrogen gas on described gases at high pressure controller (3).
4. a right to use requires the technique of the 1 high light moulding of described equipment injection moulding metal sense, and it is characterized in that: described technique comprises the following steps:
A, unlatching injection machine unlocking mold system (1) are in injection mold (5) and close the mould state, injection mold (5) is heated, start injection machine gun barrel (12), the particulate resins that contains metal color (16) in heating injection machine gun barrel (12) makes it reach molten condition;
B, during higher than the softening point of resin itself, control gases at high pressure controllers (3) to injection machine gun barrel (12) input nitrogen when injection mold (5) temperature, make the resin (17) of molten condition contain the nitrogen scintilla;
C, control screw in injection molding machine (9) make molten condition resin (17) injection injection mold (5) in injection machine gun barrel (12);
D,, stop to the injection mold resin by injection during to the 80-95% of plastic rubber shaping product (13) gross weight when the resin filling in injection mold (5), allow the nitrogen scintilla constantly expand until the resin solidification of molten condition between molecular resin;
E, cooling injection mold (5) to the temperature of plastic rubber shaping product (13) lower than the softening point of resin itself after die sinking take out, can obtain having the plastic rubber shaping product (13) on high light metal sense surface.
5. technique according to claim 4, it is characterized in that: adopt Multifunctional mould temperature controller (2) that injection mold (5) is heated in step a, specifically: the hot water that starts 180 ℃ of Multifunctional mould temperature controller (2) generations heats injection mold (5) outer wall.
6. technique according to claim 4 is characterized in that: the nitrogen described in step b is produced by nitrogen gas generator (4), and purity is 98%.
7. technique according to claim 4, it is characterized in that: the nitrogen described in step b is the can pure nitrogen gas.
8. technique according to claim 4 is characterized in that: the particulate resins that metal color is arranged (16) described in step a is the dry resin that is mixed with granulated metal.
9. technique according to claim 8, it is characterized in that: described granulated metal is the one or more kinds of mixtures in copper, zinc, aluminium, nickel monomer or alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110003557 CN102173027B (en) | 2011-01-08 | 2011-01-08 | Injection molding device and process for injection molding of highlight injection molded part with metallic taste by utilizing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110003557 CN102173027B (en) | 2011-01-08 | 2011-01-08 | Injection molding device and process for injection molding of highlight injection molded part with metallic taste by utilizing same |
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| CN102173027A CN102173027A (en) | 2011-09-07 |
| CN102173027B true CN102173027B (en) | 2013-06-05 |
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| CN 201110003557 Expired - Fee Related CN102173027B (en) | 2011-01-08 | 2011-01-08 | Injection molding device and process for injection molding of highlight injection molded part with metallic taste by utilizing same |
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| CN105897977A (en) * | 2016-05-31 | 2016-08-24 | 苏州金口五金工具有限公司 | Method and device for manufacturing mobile phone shell |
| CN105915678A (en) * | 2016-05-31 | 2016-08-31 | 苏州金口五金工具有限公司 | Method and equipment for manufacturing composite mobile phone case |
| CN108162292A (en) * | 2017-12-29 | 2018-06-15 | 佛山市顺德区弘安电器有限公司 | A kind of gas aided injection mould processing technology of plastic handles |
| CN114516140B (en) * | 2021-12-27 | 2024-05-07 | 湖北华鑫光电有限公司 | White material injection molding device for lens production |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB8926631D0 (en) * | 1989-11-24 | 1990-01-17 | Ici Plc | Polymer compositions |
| CN1069257C (en) * | 1996-06-17 | 2001-08-08 | 邱静忠 | Seamless connected pipe producing method by adding metal powder into plastics |
| DE10106198A1 (en) * | 2001-02-10 | 2002-08-14 | Merck Patent Gmbh | Plastic part containing luster pigments and packing |
| JP4797364B2 (en) * | 2004-11-18 | 2011-10-19 | 三菱マテリアル株式会社 | Composite metal porous body and method for producing the same |
| JP5575374B2 (en) * | 2008-03-26 | 2014-08-20 | パナソニック株式会社 | Resin injection mold |
| CN102407587B (en) * | 2010-09-25 | 2014-03-05 | 上海浦东美灵塑料制品有限公司 | Injection molding process for polyphenylene oxide (PPO) plastic air conditioner shell |
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