CN203984684U - Drying is processed molded horn vibrating reed - Google Patents

Abstract

The utility model discloses a kind of drying and processes molded horn vibrating reed, in molding process, comprise that the step of adding dryingagent forms, wherein this horn vibrating reed comprises a cloth body, this cloth body is discoid and woven and formed by many warp thread and weft yarn by class, and this cloth surface is combined with a resin bed, a glue-line and a drying layer.

Description

Drying is processed molded horn vibrating reed

Technical field

The utility model is about a kind of horn component, particularly about a kind of horn vibrating reed.

Background technology

Different types of loud speaker that is seen everywhere in daily life, it is mainly a kind of electroacoustic transducer, by certain physical effect, electric energy conversion, is acoustic energy.Loud speaker for different purposes can be divided into many different types, as piezo-electric loudspeaker, electromagnetic loudspeaker, condenser loudspeaker, dynamic speaker etc.For being applied in the various loud speakers of car horn, outdoor electronic device, portable electric device (mobile phone, flat computer), in various application, there is various demand, comprise moisture resistance (water-repellancy), thermal endurance, difficult combustion/anti-flammability etc., to avoid loud speaker in those electronic installations or equipment, because the physical factor such as humidity, temperature causes the fault of horn component, cause even contingent danger peace factor.

Consult Fig. 1 and Fig. 2, it shows respectively the end view of structure and the stereogram of prior art vibrating reed of prior art loudspeaker inside.Loudspeaker internal structure comprises shell 30, magnetic core 31, voice coil loudspeaker voice coil 32 and horn vibrating reed 33 (for example, playing ripple).Magnetic core 31 is arranged among shell 30, the outer surface winding around of voice coil loudspeaker voice coil 32, to connect external power source, and connect magnetic core 31, when electric current by time produce electromagnetic induction and up-down vibration, horn vibrating reed 33 connected with outer casings 30, and there is central through hole 34 to connect voice coil loudspeaker voice coil 32, horn vibrating reed 33 must have light weight, have certain degree of hardness and flexible characteristic, with fixing voice coil loudspeaker voice coil 32, along with voice coil loudspeaker voice coil 32 vibrates and damping buffering effect is provided.

The bullet ripple shown in Fig. 2 of take is example, and the material of the horn vibrating reed of prior art is generally the cloth containing resin pickup, is generally a similar round body, to add hot padding mode, makes cross section form the wavy shape of class.The manufacture method of existing vibrating reed has resin impregnated step, baking procedure, imprint step and moulding cutting step conventionally.Resin impregnated step is impregnated in cloth among resin, makes cloth absorb resin, and has certain hardness.Baking procedure is dried the cloth that absorbs resin, to remove the moisture in cloth.Imprint step, by absorbing the cloth heating of resin, forms required shape in cross section in impression mode, for example, wavy.Moulding cutting step is cut into a plurality of horn vibrating reeds, and unnecessary cloth is removed, and further forms central through hole.In the existing field that for example car horn vibrating reed part is manufactured, in the past less demanding for its moisture resistance (water-repellancy), thermal endurance, difficult combustion/anti-flammability etc., these those skilled in the art do not attempt the technology of existing macromolecular material to be applied in the improvement of horn vibrating reed, for example, its surface is carried out to preliminary treatment to promote its surface property upgrading.With macromolecular material, the material surface character that some are special, such as chemical composition, hydrophily, roughness, conductivity, crosslink density etc., it is often the emphasis of considering, the character that these are special, can utilize the technology of surfaction, with regard to macromolecular material, process, the surface of macromolecular material be had and can meet required surface nature.

Utility model content

Yet, in the situation that auto industry now, electronic equipment parts standard are more and more higher, every physical environment for horn component tolerates performance also more and more for requiring, the moisture of denier or oil all can affect the reliability of product, therefore these products are starved of waterproof/anti-wet goods performance, for developing a kind of waterproof/grease proofing horn vibrating reed, have in fact its demand.In the development of existing capability horn elastic wave, though there is people attempting dryingagent to add the processing procedure of horn elastic wave, because horn elastic wave is different from general textile, it need to contain resin pickup, hot forming is one to have the horn vibrating reed of ad hoc structure intensity.Therefore for example,, according to the general common suggestion interpolation of dryingagent, handling procedure (soak again water-sprinkling agent after resin impregnated, and then process by the dry mode of high-temperature baking), be, dryingagent effectively can not be depended on and is combined in horn elastic wave surface.Or, after horn elastic wave hot forming, then ripple aqua is coated on to horn elastic wave surface, often make horn elastic wave produce the problems such as distortion.In summary, on existing horn vibrating reed (bullet ripple) processing procedure, also nobody's successful development goes out a kind of processing procedure or its finished product that can effectively water-sprinkling agent be incorporated into horn elastic wave.

Another object of the present utility model is to provide a kind of horn vibrating reed, in molding process, comprise that the step of adding dryingagent forms, this horn vibrating reed comprises a cloth body, this cloth body is discoid and woven and formed by many warp thread and weft yarn by class, and this cloth surface is combined with a resin bed, a glue-line and a drying layer.

Preferably, wherein this cloth body has a first surface and a second surface, and this resin bed, this glue-line and this drying layer are arranged at first surface and the second surface of this cloth body simultaneously.

Preferably, wherein this cloth body has a first surface and a second surface, this resin bed, this glue-line and this drying layer be arranged at the first surface of this cloth body and second surface one of them.

Preferably, wherein this drying layer is formed at this resin bed jointly.

Preferably, wherein this drying layer is formed at this glue-line jointly.

Via technological means of the present utility model, can make horn vibrating reed there is water-repellancy, dial the effects such as oiliness, anti-soil, to meet demand or the standard of car horn part, electronic installation inner body.

Accompanying drawing explanation

Fig. 1 shows prior art loudspeaker internal structure cutaway view.

Fig. 2 shows the stereogram of prior art horn vibrating reed (bullet ripple).

Fig. 3 shows horn vibrating reed manufacturing process calcspar of the present utility model.

Fig. 4 A, Fig. 4 B show horn vibrating reed manufacturing process schematic diagram of the present utility model.

The partial schematic diagram of Fig. 5 display fibers cloth material.

Fig. 6 A, Fig. 6 B demonstrate respectively different horn vibrating reed cutaway views.

Fig. 7 demonstrates the waterproof effect schematic diagram of horn vibrating reed.

Wherein, description of reference numerals is as follows:

100 fiber cloth materials

11 warp thread

12 weft yarns

200 horn vibrating reeds

20 cloth bodies

201 first surfaces

202 second surfaces

21 warp thread

22 weft yarns

23 resin beds

24 glue-lines

25 drying layers

30 shells

31 magnetic cores

32 voice coil loudspeaker voice coils

33 horn vibrating reeds

34 central through holes

S1～S8 step

Embodiment

Refer to Fig. 3 and Fig. 4 A, 4B, it shows respectively manufacturing process calcspar and the schematic diagram of horn vibrating reed.As shown in the figure, first provide fiber cloth material 100 (step S1).Consult Fig. 5, it demonstrates the partial schematic diagram of fiber cloth material 100, in figure, demonstrating fiber cloth material 100 is mainly by warp thread 11 and weft yarn 12 fabric forming that weaves, warp thread 11 and weft yarn 12 fibre composition used can be polyester fiber, cotton fiber, acryl fiber, silk fiber, PEN (PEN), benzamide fiber (Aramid), bamboo fiber etc., but non-ly only limits to this.

Then, fiber cloth material is impregnated in to liquid resin (step S2), makes fiber cloth material absorb resin and there is certain hardness, then and by the fiber cloth material containing after resin pickup dry.Selecting of resin material can be one of them or its combination of phenolic resins, epoxy resin, mylar, or other has the macromolecule resin material of thermosetting characteristic, is not limited only to this.

One glue-line (step S3) is set on fiber cloth material, can be by the mode of screen painting or alternate manner coated glue layer material, and glue line material can be rubber, silica gel or other macromolecule glue material, then and by the fiber cloth material after coated glue layer material dry.

Then, fiber cloth material is impregnated in to dryingagent (step S4).Selecting of dryingagent can be eight carbon fluorine dryingagents or six carbon fluorine dryingagents, be preferably not contain the dryingagent of PFOS (PFOS) or perfluoro caprylic acid (PFOA) composition, to meet relevant environmental regulation, avoid affecting health, or cause respiratory system, immune system, cause the problem of neonate's defect.

Then moisturizing (step S5) dewaters fiber cloth material, the moisturizing that dewaters described herein, comprise utilizing and roll rumble or scraper dewater/dewater (respectively as shown in Fig. 4 A～B), but need to keep humidity, can not dry completely, the occupation mode difference of this step and existing dryingagent is very large.

Temperature with 200-230 degree heats imprinting moulding (step S5) again.So far, a plurality of horn vibrating reeds 200 without cutting on whole cloth material, have been formed.

Then in type fiber cloth material can be cut to (step S6), can for each horn vibrating reed, form central through hole (not shown) in this step, and cut unnecessary fabric to obtain final horn vibrating reed 200.

In above-mentioned steps, can dryingagent also can be directly added in the liquid resin of previous step, make two steps be reduced to a step (step S8 and Fig. 4 B), when selecting dryingagent, must note itself and the problem of the parameter value adjustment such as the solubility of liquid resin composition and suitable mixed proportion/concentration.And enter in this way passerby, and can after completing the moisturizing step that dewaters, carry out again the step that glue-line arranges oven dry, the step such as finally carry out hot forming, cut, those steps have been described as front content, are not repeated.

Preferably, in said method, no matter whether dryingagent and resin will be total to impregnation, and more comprising can be before or after impregnation liquid resin or dryingagent, fiber cloth material is carried out to discharge process (one or many), to improve the surface energy (surface tension) on fiber cloth material surface.Above-mentioned discharge process can be electricity slurry discharge process or Corona discharge Treatment.By discharge process, can make fiber cloth material surfaction, increase its surface energy/surface tension, be conducive to the absorption of resin or dryingagent, and visual different demand and object are adjusted order and the number of times of its discharge process in overall process.

Consult Fig. 6 A, it shows the cutaway view of horn vibrating reed.As shown in the figure, horn vibrating reed 200 via above-mentioned processing procedure manufacturing, comprise a cloth body 20, it is woven and is formed (ginseng Fig. 5) by many warp thread 21 and weft yarn 22, cloth body 20 has a first surface 201 and second surface 202, the first surface 201 of cloth body 20 and second surface 202 are combined with a resin bed 23, a glue-line 24, and contain dryingagent in resin bed 23.Horn vibrating reed 200 shown in this figure refers in the resin liquid of soaking and adds dryingagent composition simultaneously, the composition that contains dryingagent in the resin bed that makes to form.

Consult Fig. 6 B, it shows the cutaway view of horn vibrating reed.Similarly, cloth body 20 is woven and is formed (ginseng Fig. 5) by many warp thread 21 and weft yarn 22, cloth body 20 has a first surface 201 and second surface 202, and the first surface 201 of cloth body 20 and second surface 202 are combined with a resin bed 23, a glue-line 24 and a drying layer 25.As shown in the figure, be with Fig. 6 A difference, due in molding process, soak resin and independently carry out for separating with dryingagent, thus on horn vibrating reed 200 surfaces except resin bed 23, glue-line 24, be more formed with a drying layer 25.Horn vibrating reed 200 shown in this figure, its step of soaking dryingagent is after soaking liquid resin steps, therefore the mechanism of formation drying layer 24 and its concrete structure and Fig. 6 A are different, the effect of separately processing with regard to effect is slightly good, but due to comparatively complicated on processing procedure, therefore which kind of practice the characteristic of visual horn vibrating reed product requirement and the consideration of cost aspect consider to adopt comparatively appropriate, at this, be only to propose illustration, be not limited only to this.

Consult Fig. 7, the horn vibrating reed 200 producing by step described in the utility model, it can have waterproof/grease proofing effect, makes horn vibrating reed have water-repellancy, dial the effects such as oiliness, anti-soil, to meet demand or the standard of car horn part, electronic installation inner body.The horn vibrating reed producing via this processing procedure, has met relevant waterproof test (ISO4920JIS1092:19986.2) all, and grease proofing test (AATCC-118).

As seen from the above embodiment, horn vibrating reed provided by the utility model and drying thereof are processed the value in the true tool industry of method of moulding, above narration is only preferred embodiment explanation of the present utility model, those of ordinary skill in the art are when doing according to above-mentioned explanation other all improvement, and these changes still belong in spirit of the present utility model and following defined the scope of the claims.

As seen from the above embodiment, value in the true tool industry of horn vibrating reed provided by the utility model, above narration is only preferred embodiment explanation of the present utility model, those of ordinary skill in the art are when doing according to above-mentioned explanation other all improvement, and these changes still belong in spirit of the present utility model and following defined the scope of the claims.

Claims (5)

1. drying is processed a molded horn vibrating reed, it is characterized in that, this horn vibrating reed comprises a cloth body, and this cloth body is discoid and woven and formed by many warp thread and weft yarn by class, and this cloth surface is combined with a resin bed, a glue-line and a drying layer.

2. horn vibrating reed according to claim 1, is characterized in that, this cloth body has a first surface and a second surface, and this resin bed, this glue-line and this drying layer are arranged at first surface and the second surface of this cloth body simultaneously.

3. horn vibrating reed according to claim 1, is characterized in that, this cloth body has a first surface and a second surface, this resin bed, this glue-line and this drying layer be arranged at the first surface of this cloth body and second surface one of them.

4. horn vibrating reed according to claim 1, is characterized in that, this drying layer is formed at this resin bed jointly.

5. horn vibrating reed according to claim 1, is characterized in that, this drying layer is formed at this glue-line jointly.