CN208305718U - Novel air blowing assisted demoulding structure for cover injection mold - Google Patents

Novel air blowing assisted demoulding structure for cover injection mold Download PDF

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Publication number
CN208305718U
CN208305718U CN201820825149.7U CN201820825149U CN208305718U CN 208305718 U CN208305718 U CN 208305718U CN 201820825149 U CN201820825149 U CN 201820825149U CN 208305718 U CN208305718 U CN 208305718U
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core
mold
air blowing
injection
hot
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CN201820825149.7U
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Chinese (zh)
Inventor
孙志俊
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Guangzhou Menshen Package Co Ltd
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Guangzhou Menshen Package Co Ltd
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Abstract

The utility model discloses a kind of novel air blowing assisted demoulding structures for cover injection mold, it includes the hot material nozzle being arranged on mould bases, injection mold, mold core, and air blowing inner core, hot material nozzle connects the discharge end of injection molding machine by pipeline, the position on mould bases corresponding to the injection hole of hot material nozzle is arranged in injection mold, hot material nozzle is connected with the feed inlet of injection mold, mold core is arranged in the hollow molded cavity of injection mold, air blowing inner core is arranged in mold core, in-core is equipped with insufflation channel in blowing, insufflation channel is connected with blowning installation, at least one gas hole is offered on the side wall of air blowing inner core, each gas hole is connected with insufflation channel.The utility model provides one kind and can not demould when product stripping because of vacuum, avoids pulling deformation when plastic closure product stripping, to play the effect of double shield to plastic closure product stripping, effectively improves the demoulding efficiency and quality of mold release of product.

Description

Novel air blowing assisted demoulding structure for cover injection mold
Technical field
The utility model relates to injection mold ejecting structure technical fields, it particularly relates to which a kind of be molded for lid The novel air blowing assisted demoulding structure of mold.
Background technique
Injection forming mold, the first melted by heating in the heating cylinder of injection molding machine of plastics, then in screw in injection molding machine or work Under the promotion of plug, the running gate system through nozzle and mold enters mold cavity, sizing is finally hardened in type chamber, here it is injections Molding simple procedure, and mold used in injection molding is just injection forming mold.Injection mold is a kind of production plastic cement system The tool of product is also to confer to the tool of plasthetics complete structure and accurate dimension.Injection mold is usually by dynamic model and cover half two Part forms, and dynamic model is mounted on the moving die plate of injection (mo(u)lding) machine, and cover half is mounted on the fixed form of injection (mo(u)lding) machine.Note Molding die has after moulding, and dynamic model and cover half separation, ejecting mechanism can eject plastic products to take out when die sinking Plastic products.At present when carrying out injection molding, after plastic closure completes injection molding, in order to improve the demoulding efficiency of product And quality of mold release, it is often provided with dedicated plastic closure on mold and demoulds liftout attachment, and by liftout attachment to plastics Lid carries out driving and achievees the purpose that demoulding, but finds in actual use, currently used liftout attachment structure there is also Following deficiency: 1) the ejecting structure design of plastic closure is only provided with air discharge duct, and depth relatively smooth for inner surface is deeper Plastic closure because without design eliminating vacuum structure in inside it is internal to be formed with mold core so that plastic closure is in demoulding Vacuum is difficult to eliminate and remove, when often result in the phenomenon that can not demoulding, reduce demoulding production efficiency;2) without Design assistant in mold core Inflatable body, so that the negative pressure of vacuum adsorption phenomena easily formed between injection-molded plastic lid and mold core, causes plastic lid The inner bottom surface of son generates uneven phenomenon, scrap of the product can be caused when serious, such technical problem greatly reduces note The yield rate of modeling process wastes many injected plastics materials, brings huge economic loss to enterprise.
Utility model content
In view of the above shortcomings, the utility model provides one kind and can not demould when product stripping because of vacuum, avoids Deformation is pulled when plastic closure product stripping, to play the effect of double shield to plastic closure product stripping, is effectively mentioned The demoulding efficiency of high product and the novel air blowing assisted demoulding structure for cover injection mold of quality of mold release, it includes setting Hot material nozzle, injection mold, mold core and air blowing inner core, the hot material nozzle on mould bases connect injection molding machine by pipeline Discharge end, the injection mold be arranged on mould bases corresponding to hot material nozzle injection hole position, the hot material nozzle It is connected with the feed inlet of injection mold, the mold core is arranged in the hollow molded cavity of the injection mold, sets in the mold core There is hollow cavity, the air blowing inner core is arranged in the hollow cavity, and in-core is along the length side of air blowing inner core in the air blowing It is equipped with insufflation channel to extending, the insufflation channel is connected by gas-guide tube with blowning installation, the side wall of the air blowing inner core On offer at least one gas hole, each gas hole is connected with insufflation channel.
The utility model has the beneficial effects that
1, the novel air blowing assisted demoulding structure for cover injection mold of the utility model, design, which has, in mold core blows Gas inner core, after plastic closure completes injection molding, the dedicated plastic closure demoulding liftout attachment being equipped on mold will be moulded Material lid while ejection device, can be blown by blowning installation into the insufflation channel of air blowing inner core, to disappear from mold core In addition to the vacuum that plastic closure is formed inside it with mold core in demoulding, the modeling that inner surface is relatively smooth and depth is deeper is avoided Material lid demoulding when easily occur the phenomenon that can not demoulding, effectively increase plastic closure demoulding production efficiency.In addition, It is equipped with auxiliary blowing mechanism in the inside of mold core, effectively prevent forming negative pressure of vacuum suction between injection-molded plastic lid and mold core Phenomenon avoids the inner bottom surface of plastic closure from generating uneven phenomenon and cause scrap of the product, thus greatly reduces note The yield rate of modeling process, has saved injected plastics material, saves production cost to enterprise.
2, the novel air blowing assisted demoulding structure for cover injection mold of the utility model, design, which has, in mold core blows Gas inner core not only contributes to the injection molding demoulding of plastic closure, because vacuum can not when effectivelying prevent plastic closure product stripping Demoulding, can also play the role of air discharge duct, avoid pulling deformation when plastic closure product stripping, thus to plastic closure Product stripping plays the effect of double shield, effectively improves the demoulding efficiency and quality of mold release of product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model is further elaborated with reference to the accompanying drawing, wherein the direction of the utility model is mark with Fig. 1 It is quasi-.
As shown in Figure 1, the novel air blowing assisted demoulding structure for cover injection mold of the utility model, it includes setting Set hot material nozzle 1, injection mold 2, mold core 3 and air blowing inner core 4 on mould bases.Wherein, hot material nozzle 1 is connected by pipeline The discharge end of injection molding machine is connect, the position on mould bases corresponding to the injection hole of hot material nozzle 1, hot material spray is arranged in injection mold 2 Mouth 1 is connected with the feed inlet of injection mold 2, and mold core 3 is arranged in the hollow molded cavity of injection mold 2, is equipped with and is used in mold core 3 The hollow cavity 31 of installation and air blowing inner core 4, air blowing inner core 4 are arranged in the hollow cavity 41 of mold core 3, edge in air blowing inner core 4 The length direction (central axial direction) of air blowing inner core 4, which extends, is equipped with insufflation channel 41, and insufflation channel 41 passes through gas-guide tube and blows Device of air (not shown) is connected, and blowning installation is realized using the prior art.It is offered on the side wall of air blowing inner core 4 several Gas hole (not shown), each gas hole are connected with insufflation channel 41.
The basic functional principle of the novel air blowing assisted demoulding structure for cover injection mold of the utility model: it is moulding After expecting that lid 10 completes injection molding, in order to improve the demoulding efficiency and quality of mold release of product, what is be equipped on mold is dedicated Plastic closure demoulding liftout attachment ejects plastic closure from mold core 3, to be driven by liftout attachment to plastic closure 10 It is dynamic while achieve the purpose that demoulding, it is blown by blowning installation into the insufflation channel 41 of air blowing inner core 4, to eliminate modeling Expect the vacuum that lid is formed inside it with mold core in demoulding, avoids the plastic closure that inner surface is relatively smooth and depth is deeper Demoulding when easily occur the phenomenon that can not demoulding, effectively increase plastic closure demoulding production efficiency.In addition, in mold core 4 inside is equipped with auxiliary blowing mechanism, effectively prevent forming negative pressure of vacuum absorption between injection-molded plastic lid and mold core now As avoiding the inner bottom surface of plastic closure from generating uneven phenomenon and cause scrap of the product, thus greatly reducing and be molded The yield rate of journey, has saved injected plastics material, saves production cost to enterprise.
The foregoing is merely better embodiments of the invention, and the invention is not limited to above embodiment, are implementing The structural modification small there may be part in the process, if various changes or modifications of the invention are not departed from essence of the invention Mind and range, and belong within the scope of claim and equivalent technologies of the invention, then the present invention is also intended to encompass these changes And modification.

Claims (1)

1. a kind of novel air blowing assisted demoulding structure for cover injection mold, it is characterised in that: it includes being arranged in mould bases On hot material nozzle, injection mold, mold core and air blowing inner core, the hot material nozzle pass through pipeline connect injection molding machine discharging The position on mould bases corresponding to the injection hole of hot material nozzle, the hot material nozzle and injection molding is arranged in port, the injection mold The feed inlet of mold is connected, and the mold core is arranged in the hollow molded cavity of the injection mold, is equipped in the mold core hollow Inner cavity, the air blowing inner core are arranged in the hollow cavity, and in-core extends along the length direction of air blowing inner core in the air blowing Equipped with insufflation channel, the insufflation channel is connected by gas-guide tube with blowning installation, is opened up on the side wall of the air blowing inner core There is at least one gas hole, each gas hole is connected with insufflation channel.
CN201820825149.7U 2018-05-30 2018-05-30 Novel air blowing assisted demoulding structure for cover injection mold Active CN208305718U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820825149.7U CN208305718U (en) 2018-05-30 2018-05-30 Novel air blowing assisted demoulding structure for cover injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820825149.7U CN208305718U (en) 2018-05-30 2018-05-30 Novel air blowing assisted demoulding structure for cover injection mold

Publications (1)

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CN208305718U true CN208305718U (en) 2019-01-01

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CN201820825149.7U Active CN208305718U (en) 2018-05-30 2018-05-30 Novel air blowing assisted demoulding structure for cover injection mold

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111716648A (en) * 2020-06-29 2020-09-29 东莞科威医疗器械有限公司 Tubular element forming die, demoulding forming process and tubular element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111716648A (en) * 2020-06-29 2020-09-29 东莞科威医疗器械有限公司 Tubular element forming die, demoulding forming process and tubular element

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