CN204955263U - Injection moulding device of netted audio amplifier face guard - Google Patents
Injection moulding device of netted audio amplifier face guard Download PDFInfo
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- CN204955263U CN204955263U CN201520675140.9U CN201520675140U CN204955263U CN 204955263 U CN204955263 U CN 204955263U CN 201520675140 U CN201520675140 U CN 201520675140U CN 204955263 U CN204955263 U CN 204955263U
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- curing agent
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- conveying pipeline
- barrel
- sound box
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Abstract
The utility model discloses an injection moulding device of netted audio amplifier face guard, include: the mould subassembly, injection machine, resin jar, curing agent jar, first conveying pipeline to and second conveying pipeline. The utility model discloses injection moulding device of netted audio amplifier face guard for being netted audio amplifier face guard with injection moulding of BMC plastics and xylon, should containing the netted audio amplifier face guard of BMC of xylon, its plastic net piece contains wood fibre, both can keep to great degree the original tone quality of audio amplifier, and its plastic material can play fine guard action to loudspeaker again.
Description
Technical field
The utility model relates to the injection molding apparatus of netted sound box cover.
Background technology
Widely used sound box mesh cover in the market, large multiaction also rests in dust-proof, attractive in appearance and protective effect.But because guard has the density degree of different materials, thickness and mesh different, therefore, can have a certain impact to the sound that audio amplifier inside trumpet sends, especially guard has certain attenuation to treble portion.On the material of guard, be exactly nothing but various fibrous material, or metal, plastics.Softer fibrous material, less on the impact of sound, but relative, also weaker to the protection of loudspeaker unit under certain situation, once pierce through or destroy sound very influenced.Harder metal, plastics etc., be substantially exactly with dust-proof, protected as main application, many times do not relate to and sound quality directly considered.
And the making of existing plastics or sound box mesh cover goods is not one-shot forming, plastic net cover, on plastic board shaping in advance, carries out punching press boring; Metal net mask generally takes etching and processing method to carry out hole processing, processing method poor stability, not environmentally.And the hole of netted audio amplifier cover reaches several ten thousand or even several ten thousand, adopt this secondary operations technique, production efficiency is low, and cost is higher.
Utility model content
The purpose of this utility model is the injection molding apparatus providing a kind of netted sound box cover, solves a shaping difficult problem for netted sound box cover.
For achieving the above object, the technical solution of the utility model designs a kind of injection molding apparatus of netted sound box cover, comprising: die assembly, injector, resin container, curing agent tank, the first conveying pipeline, and the second conveying pipeline;
Described die assembly comprises mold and bed die, and described mold and bed die matched moulds form the injecting cavity being used for the netted sound box cover of injection moulding horizontal;
Described upper/lower die is respectively equipped with puts draw point for the formation of netted the perpendicular of face shield mesh, and mold perpendicular puts draw point and the perpendicular of bed die puts draw point one_to_one corresponding; The mold of matched moulds state erects puts that draw point and corresponding bed die are perpendicular to be put draw point and connect and the coaxial heart at die parting line place;
Described injector comprises: barrel, is positioned at the screw rod of barrel, and injection head;
Described resin container is for storing premix, and described resin container is provided with: for carrying out the heater of heating and thermal insulation to premix, and for carrying out the agitating device of Keep agitation to premix;
Described resin container connects barrel by the first conveying pipeline, and described first conveying pipeline is used for the premix in resin container to be delivered in barrel;
Described curing agent tank is for storing curing agent; Described curing agent tank connects barrel by the second conveying pipeline, and described second conveying pipeline is used for the curing agent in curing agent tank to be delivered in barrel;
The screw rod arranged in described barrel, it is for mixing formation compound by the premix in barrel, curing agent;
Described injection head is used for injecting cavity injection compound.
Preferably, described injector is provided with the pressure control device for controlling injection pressure.
Preferably, described first conveying pipeline is furnished with vacuum grouting device.
Preferably, described second conveying pipeline is furnished with vacuum grouting device.
Preferably, described curing agent tank is provided with: for carrying out the heater of heating and thermal insulation to curing agent, and curing agent is carried out to the agitating device of Keep agitation.
The utility model also provides the above-mentioned injection molding apparatus of application to produce the injection molding process of netted sound box cover, comprises the steps:
1) die assembly is cleared up, matched moulds after mold, bed die inner surface uniform application releasing agent; Releasing agent is beneficial to the demoulding and ensures that die surface is bright and clean;
2) after by liquid thermosetting resin and wood pulp Homogeneous phase mixing, short glass fiber is added according to certain ratio, and the formation premix that stirs, then premix is stored in resin container for subsequent use, and heating and thermal insulation and Keep agitation are carried out to the premix in resin container; Tank body holding temperature is set, to ensure the mobility of resin; Do not stop in tank body in heating process to stir, precipitate to prevent fiber;
3) curing agent is stored in curing agent tank for subsequent use;
4) by injector injection mo(u)lding: arrange injection parameters, described injection parameters comprises: pressure parameter, time parameter, temperature parameter; Premix and curing agent input in the barrel of injector from resin container and curing agent tank by conveying pipeline respectively, helical screw agitator in barrel makes premix and curing agent be uniformly mixed to form compound, by injection head, compound is injected in mould gum-injecting port again, pressurize, cooling, curing molding, goods are taken out in last die sinking.
The injection molding apparatus of the netted sound box cover of the utility model; for being netted sound box cover by BMC plastics and wood-fibred single injection-molded; should containing the netted sound box cover of BMC of wood-fibred; its plastic cement mesh sheet contains wood fibre; both can retain the original tonequality of audio amplifier largely, its plastic cement material can play a very good protection to loudspeaker again.
The injection molding apparatus of the netted sound box cover of the utility model, its dies cavity (injecting cavity) thickness direction is preset by the draw point (reserved mesh position) identical with mesh quantity, is injected into by compound in mould and forms overall composite mesh sound box mesh cover.This netted sound box cover, intensity is high, and resistance to ag(e)ing is good.And the injection molding apparatus of the netted sound box cover of the utility model solves a shaping difficult problem for netted sound box cover, cost needed for device operating process is low, man-hour is few, can effectively enhance productivity, the time of an injection moulding product needed is only several seconds to tens seconds, without the need to carrying out secondary operations.Production cost saves 55%, production process environmental sound, without toxic gas volatilization, plays a good role to environmental protection.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the schematic diagram of die assembly.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
The technical scheme that the utility model is specifically implemented is:
As shown in Figure 1 and Figure 2, a kind of injection molding apparatus of netted sound box cover, comprising: die assembly 1, injector, resin container 2, curing agent tank 3, first conveying pipeline 41, and the second conveying pipeline 42;
Described die assembly 1 comprises mold 11 and bed die 12, and described mold 11 and bed die 12 matched moulds form the injecting cavity 13 being used for the netted sound box cover of injection moulding horizontal;
Described upper/lower die 12 is respectively equipped with puts draw point 110,120 for the formation of the perpendicular of netted face shield mesh, and the perpendicular draw point 110 of putting of mold 11 puts draw point 120 one_to_one corresponding with the perpendicular of bed die 12; The mold of matched moulds state erects puts that draw point 110 and corresponding bed die are perpendicular to be put draw point 120 and connect and the coaxial heart at die parting line 14 place;
Described injector comprises: barrel 5, is positioned at the screw rod of barrel 5, and injection head 6;
Described resin container 2 is for storing premix, and described resin container 2 is provided with: for carrying out the heater of heating and thermal insulation to premix, and for carrying out the agitating device of Keep agitation to premix;
Described resin container 2 connects barrel 5 by the first conveying pipeline 41, and described first conveying pipeline 41 is for being delivered in barrel 5 by the premix in resin container 2;
Described curing agent tank 3 is for storing curing agent; Described curing agent tank 3 connects barrel 5 by the second conveying pipeline 42, and described second conveying pipeline 42 is for being delivered in barrel 5 by the curing agent in curing agent tank 3;
The screw rod arranged in described barrel 5, it is for mixing formation compound by the premix in barrel 5, curing agent;
Described injection head 6 is for injecting compound to injecting cavity 13.
Described injector is provided with the pressure control device 7 for controlling injection pressure.
Described first conveying pipeline 41 is furnished with vacuum grouting device.
Described second conveying pipeline 42 is furnished with vacuum grouting device.
Described curing agent tank 3 is provided with: for carrying out the heater of heating and thermal insulation to curing agent, and curing agent is carried out to the agitating device of Keep agitation.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. the injection molding apparatus of netted sound box cover, is characterized in that, comprising: die assembly, injector, resin container, curing agent tank, the first conveying pipeline, and the second conveying pipeline;
Described die assembly comprises mold and bed die, and described mold and bed die matched moulds form the injecting cavity being used for the netted sound box cover of injection moulding horizontal;
Described upper/lower die is respectively equipped with puts draw point for the formation of netted the perpendicular of face shield mesh, and mold perpendicular puts draw point and the perpendicular of bed die puts draw point one_to_one corresponding; The mold of matched moulds state erects puts that draw point and corresponding bed die are perpendicular to be put draw point and connect and the coaxial heart at die parting line place;
Described injector comprises: barrel, is positioned at the screw rod of barrel, and injection head;
Described resin container is for storing premix, and described resin container is provided with: for carrying out the heater of heating and thermal insulation to premix, and for carrying out the agitating device of Keep agitation to premix;
Described resin container connects barrel by the first conveying pipeline, and described first conveying pipeline is used for the premix in resin container to be delivered in barrel;
Described curing agent tank is for storing curing agent; Described curing agent tank connects barrel by the second conveying pipeline, and described second conveying pipeline is used for the curing agent in curing agent tank to be delivered in barrel;
The screw rod arranged in described barrel, it is for mixing formation compound by the premix in barrel, curing agent;
Described injection head is used for injecting cavity injection compound.
2. the injection molding apparatus of netted sound box cover according to claim 1, is characterized in that, described injector is provided with the pressure control device for controlling injection pressure.
3. the injection molding apparatus of netted sound box cover according to claim 2, is characterized in that, described first conveying pipeline is furnished with vacuum grouting device.
4. the injection molding apparatus of netted sound box cover according to claim 3, is characterized in that, described second conveying pipeline is furnished with vacuum grouting device.
5. the injection molding apparatus of netted sound box cover according to claim 4, is characterized in that, described curing agent tank is provided with: for carrying out the heater of heating and thermal insulation to curing agent, and curing agent is carried out to the agitating device of Keep agitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520675140.9U CN204955263U (en) | 2015-09-02 | 2015-09-02 | Injection moulding device of netted audio amplifier face guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520675140.9U CN204955263U (en) | 2015-09-02 | 2015-09-02 | Injection moulding device of netted audio amplifier face guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204955263U true CN204955263U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520675140.9U Active CN204955263U (en) | 2015-09-02 | 2015-09-02 | Injection moulding device of netted audio amplifier face guard |
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| CN (1) | CN204955263U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979433A (en) * | 2016-07-25 | 2016-09-28 | 广东欧珀移动通信有限公司 | Mesh cover having sound output hole and processing method thereof and loudspeaker box adopting mesh cover |
| CN106231445A (en) * | 2016-07-25 | 2016-12-14 | 广东欧珀移动通信有限公司 | The processing technique of mesh enclosure support, mesh enclosure support and audio amplifier |
| CN108697204A (en) * | 2016-02-19 | 2018-10-23 | 彪马欧洲股份公司 | Method for producing shoes, especially sport footwear |
-
2015
- 2015-09-02 CN CN201520675140.9U patent/CN204955263U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108697204A (en) * | 2016-02-19 | 2018-10-23 | 彪马欧洲股份公司 | Method for producing shoes, especially sport footwear |
| CN105979433A (en) * | 2016-07-25 | 2016-09-28 | 广东欧珀移动通信有限公司 | Mesh cover having sound output hole and processing method thereof and loudspeaker box adopting mesh cover |
| CN106231445A (en) * | 2016-07-25 | 2016-12-14 | 广东欧珀移动通信有限公司 | The processing technique of mesh enclosure support, mesh enclosure support and audio amplifier |
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