TW202136024A - Speaker vibrating diaphragm with anti-noise layer and manufacturing method thereof eliminating the noise generated by the friction between the fibers and the metal wires by forming a anti-noise layer on the speaker vibrating diaphragm - Google Patents

Abstract

The present invention provides a speaker vibrating diaphragm with an anti-noise layer and a manufacturing method thereof. The method includes the following steps: A preparation step of providing cloth materials, which are interwoven with multiple fibers; an anti-noise treatment step of immersing the cloth materials in at least one liquid anti-noise material after the preparation step, the anti-noise material being a resin material, a glue material, or a combination thereof; a drying step of drying the cloth materials after the anti-noise treatment step; a hot press forming step of heating and pressing the cloth materials by using a hot press mold in the way of hot pressing, so that multiple uncut speaker vibrating diaphragms are simultaneously formed on the cloth materials; and a cutting step of cutting the uncut speaker vibrating diaphragm to obtain a plurality of speaker vibrating diaphragms. In this way, by using the anti-noise material, the anti-noise layer is formed on the speaker vibrating diaphragm, so that when the speaker vibrates, the noise generated by the friction between the fibers and the metal wires is eliminated.

Description

Horn vibrating plate with anti-noise layer and manufacturing method thereof

The present invention relates to a kind of horn vibration, and particularly relates to a horn vibration with an anti-noise layer and a manufacturing method thereof.

Generally speaking, speakers include woofer, midrange, and tweeter. These three units are responsible for different frequencies. A typical moving coil horn, when the current flows through the wire to the voice coil, an electromagnetic field is generated. Because this electromagnetic field is at right angles to the magnetic field of the permanent magnet on the horn, the active coil is forced to move in the gap. The mechanical force generated by this movement causes the paper plate attached to the voice coil to vibrate vertically and up and down, so that the air vibrates and the audio is transmitted to the human ear to achieve the purpose of sound restoration for human listening, and realizes the electric energy to sound energy. Conversion.

In order to prevent the voice coil in the horn from contacting other metal components due to vertical and vertical vibrations, the non-metal parts contained in the horn are made of cloth materials. The main reason is that the specially processed cloth materials have appropriate The elasticity and strength of the horn can provide the required functions when the horn is activated. Among them, the horn vibrating plate (or elastic wave Damper) is one of the most important components in the horn or speaker structure. The horn vibrating plate provides the horn or speaker Better output power and audio characteristics are also the basis for the quality control of the speaker or speaker manufacturer when manufacturing the speaker or speaker.

The manufacturing method of the prior art horn vibrating plate includes an impregnation step, a baking step, a hot pressing step, and a rapid cutting step. Among them, the impregnation step is to impregnate the cloth in the resin, so that the cloth absorbs the resin, and forms a resin layer outside the fibers of the cloth, so that the cloth has a certain hardness. The baking step dries the resin-absorbing cloth to remove moisture from the cloth.

However, the problem of the conventional speaker vibrating plate is that the resin on its surface is quite hard and rubs against the metal wire on it when it vibrates, causing it to generate noise when outputting audio, thereby affecting the sound quality of the speaker.

On the other hand, when the horn vibrating piece is used for a long time, the resin is often exposed to factors such as vibration, fatigue stress, heat, etc., which may cause problems such as hardening, aging, and cracking.

In view of the above-mentioned shortcomings of conventional loudspeaker vibrating plates, the creators researched and improved ways to address these shortcomings, and finally came up with the present invention.

The main purpose of the present invention is to provide a horn vibrating plate with an anti-noise layer, which can eliminate the noise generated by the friction between the fiber and the metal wire when the horn vibrates through the arrangement of the anti-noise layer.

Another object of the present invention is to provide a horn vibrating plate with an anti-noise layer, in which the horn vibrating plate has a certain degree of softness by the glue material, which can effectively reduce the vibration and fatigue stress of the resin after the horn vibrating plate is used for a long time. , Heat and other factors may cause problems such as hardening, aging and cracking.

In order to achieve the above objectives and effects, the method for manufacturing a horn vibrating plate with an anti-noise layer provided by the present invention includes: a preparation step, providing a cloth material, which is made by interlacing a plurality of fibers; An anti-noise treatment step, in which the cloth material is immersed in at least one liquid anti-noise material after the preparation step, the anti-noise material is a resin material, a glue material or a combination thereof; a drying step , The cloth material is dried, and then the hot pressing forming step is performed; a hot pressing forming step, a hot pressing mold heats and presses the cloth material in a hot pressing manner, so that the cloth material is simultaneously formed There are a plurality of uncut horn vibrating plates; and a cutting step, corresponding to the uncut horn vibrating plates are cut, and a plurality of horn vibrating plates are obtained; wherein the anti-noise material is after the drying step , An anti-noise layer is formed on the horn vibrating plates, and the anti-noise layer is used to eliminate the noise between the fibers and the metal wires.

Preferably, the fibers are selected from one of polyester fibers, cotton fibers, acrylic fibers, silk fibers, polyethylene naphthalate (PEN), phenamide fibers (Aramid), and bamboo fibers. Or a combination.

Preferably, the liquid anti-noise material includes a resin material and a glue material.

Preferably, the resin material is selected from one or a combination of synthetic resin and natural resin.

Preferably, the glue material is selected from one or a combination of plastic, rubber, and silicone.

Specifically, according to an embodiment of the method for manufacturing a horn vibrating plate with an anti-noise layer, during the anti-noise treatment step, the cloth material is immersed in the liquid anti-noise material, and the anti-noise The material system includes the resin material and the glue material.

Specifically, according to another embodiment of the method for manufacturing a horn vibrating plate with an anti-noise layer, in the anti-noise treatment step, the cloth material is first immersed in the liquid resin material, and then the The cloth material is immersed in the liquid glue material.

Furthermore, in order to achieve the above objective, the present invention further produces a horn vibrating plate with an anti-noise layer based on the above-mentioned method for manufacturing a horn vibrating plate with an anti-noise layer, which includes: a vibrating plate body, The system of the vibrating plate includes a plurality of fibers which are interwoven with each other, wherein a perforation is provided at the center of the main body of the vibrating plate, and the system is formed with a wave part; at least one metal wire is continuously arranged on the wave of the main body Section; and an anti-noise layer, which is wrapped on the outer side of the fibers, and between the metal wires and the fibers, to eliminate the noise between the fibers and the metal wires.

Preferably, the material of the anti-noise layer includes a resin material and a glue material.

Preferably, the resin material is selected from one or a combination of synthetic resin and natural resin.

Preferably, the glue material is selected from one or a combination of plastic, rubber, and silicone.

Preferably, the glue material is in the form of plural particles, and the glue material is evenly distributed in the resin material.

In summary, the horn vibrating plate with an anti-noise layer provided by the present invention has the characteristics of anti-noise and preventing hardening and aging of the horn vibrating plate.

In order to enable those skilled in the art to understand the purpose, features, and effects of the present invention, the following specific embodiments and accompanying drawings are used to explain the present invention in detail as follows.

The following describes the embodiments of the present invention in more detail with drawings and component symbols, so that those with ordinary knowledge in the technical field can implement them after studying this specification. However, the present invention is not limited to the embodiments disclosed herein, but will be implemented in various forms.

The following embodiments are only provided as examples, so that persons with ordinary knowledge in the technical field can fully understand the disclosure of the present invention and the scope of the present invention.

Therefore, the present invention will only be limited by the scope of the attached patent application. In the drawings used to describe various embodiments of the present invention, the shapes, sizes, ratios, numbers, etc. shown are merely exemplary, and the present invention is not limited thereto. In this specification, the same reference numerals generally denote the same elements. Unless expressly stated otherwise, any reference to the singular may include the plural.

Please refer to FIG. 1. FIG. 1 is a block diagram of a manufacturing process of a horn vibrating plate with an anti-noise layer according to the present invention. As shown in the figure, the method for manufacturing a horn vibrating plate with an anti-noise layer according to the present invention includes: a preparation step (step S1), which is to provide a cloth material 100, wherein the cloth material 100 is composed of a plurality of The fibers 110 are interlaced and woven. The components of these fibers 110 can be polyester fiber, cotton fiber, acrylic fiber, silk fiber, polyethylene naphthalate (PEN), phenamide fiber (Aramid), Bamboo fiber, but not limited to this.

An anti-noise processing step (step S2), which involves immersing the cloth material 100 in at least one liquid anti-noise material 200 after the preparation step (step S1). The anti-noise material 200 may be a resin material 210 A rubber material 220 or a combination thereof enables the cloth material 100 to fully absorb the anti-noise material 200, which can effectively eliminate the noise generated by the friction between the fiber 110 and the metal wire 300 when the speaker vibrates.

As shown in FIG. 2, according to the first embodiment of the present invention, the manufacturing process of the horn vibrating plate with the anti-noise layer is that in the anti-noise processing step (step S2), the cloth material 100 is immersed in the liquid anti-noise layer. In the noise material 200, the anti-noise material 200 includes a resin material 210 and a glue material 220.

Specifically, the resin material 210 according to the present invention is selected from one or a combination of synthetic resins and natural resins. The resin material 210 is used to make the cloth material 100 have a certain hardness after being absorbed. The material of the resin material 210 can be one or a combination of phenolic resin, epoxy resin, polyester resin, or other high-temperature thermosetting properties. Molecular resin materials, and not limited to this.

Specifically, the adhesive 220 according to the present invention is selected from one or a combination of plastic, rubber, and silicone, and is not limited to this. The rubber material 220 is used to make the cloth material 100 have a certain degree of softness after being absorbed, and can effectively eliminate the noise generated when the cloth material 100 is rubbed with the metal wire 300 when the cloth material 100 is vibrated.

A drying step (step S3), which is to dry the cloth material 100 after the impregnation step, and then perform the hot press forming step; in the embodiment of the present invention, the cloth material 100 is dried after the drying step 100 has certain structural strength, toughness and elasticity.

A hot press forming step (step S4), which is formed by heating and embossing at a temperature of 200-230 degrees to form a plurality of uncut horn vibrating plates 400 on the cloth material 100.

A cutting step (step S5), corresponding to the plurality of uncut horn vibrating plates 400 formed after the hot press forming step, is cut, and a plurality of horn vibrating plates 400 are obtained, and the horn vibrating plate 400 is The situation is shown in Figure 3.

4 is a perspective view of a horn vibrating piece 400 with an anti-noise layer according to an embodiment of the present invention after a metal wire 300 is provided; as shown in FIG. 4, according to an embodiment of the present invention, at least one metal wire 300 is provided after the above-mentioned cutting step The horn vibrating plate 400. In addition, with reference to FIGS. 5 and 6, the present invention is based on the above-mentioned method of manufacturing a horn vibrating plate with an anti-noise layer, and further produces a horn vibrating plate 400 with an anti-noise layer, which has an anti-noise layer. The layered horn vibrating plate 400 includes: a vibrating plate body 410, which includes a plurality of fibers 110, the fibers 110 are interwoven with each other, wherein a perforation 412 is provided at the center of the vibrating plate body 410, and the vibrating plate body 410 is formed There is a wave portion 413; at least one metal wire 300 is continuously arranged on the wave portion 413 of the vibrating plate body 410; and an anti-noise layer 420, which covers the outer side of the fiber 110 and is located between the metal wire 300 and The fibers 110 are used to eliminate noise between the fibers 110 and the metal wires 300.

Specifically, as shown in FIG. 6, the material of the anti-noise layer 420 according to the first embodiment of the present invention includes a resin material 210 and a glue material 220. Among them, the resin material 210 is selected from one or a combination of synthetic resin and natural resin, and the resin material 210 is used to make the cloth material 100 have a certain hardness after being absorbed. Further, the material of the resin material 210 may be one or a combination of phenolic resin, epoxy resin, polyester resin, or other polymer resin materials with thermosetting properties, and is not limited to this.

Specifically, the adhesive 220 according to the present invention is selected from one or a combination of plastic, rubber, and silicone, and is not limited to this. The glue material 220 is used to make the cloth material 100 have a certain degree of softness after being absorbed, and can effectively eliminate the noise generated by the friction between the fiber 110 and the metal wire 300 during vibration.

Preferably, according to the horn vibrating plate 400 with an anti-noise layer according to the first embodiment of the present invention, the glue 220 in the anti-noise layer 420 is in the form of plural particles, and the glue 220 is evenly distributed in the resin material 210. In this way, it can effectively prevent that when the horn vibrating piece 400 is used for a long time, the resin is subjected to vibration, fatigue stress, heat and other factors, which may cause problems such as hardening, aging, and cracking.

7 is a schematic diagram of the manufacturing process of a horn vibrating plate with an anti-noise layer according to a second embodiment of the present invention; as shown in FIG. 7, a method for manufacturing a horn vibrating plate with an anti-noise layer according to the second embodiment of the present invention, The system includes: a preparation step (step S1), an anti-noise processing step (step S2), a drying step (step S3), a hot pressing step (step S4), and a cutting step (step S5).

It should be further explained that the difference between the manufacturing process of the horn vibrating plate with an anti-noise layer according to the second embodiment of the present invention and the first embodiment is that in the anti-noise processing step (step S2), the cloth material 100 is separated It is immersed in the resin material 210 and the glue material 220 in a liquid state. In this way, the drying step can be performed after the anti-noise processing step (step S2) is completed, and finally the hot pressing and cutting steps are performed. These steps have been described as the previous content and will not be omitted here. Repeat the description.

8 is an enlarged schematic diagram of a partial cross-section along A-A of a horn vibrating piece with an anti-noise layer according to a second embodiment of the present invention. As shown in the figure, the horn vibrating plate 400 with an anti-noise layer according to the second embodiment of the present invention includes: a vibrating plate body 410, which includes a plurality of fibers 110, the fibers 110 are interwoven with each other, wherein the vibrating plate body A perforation 412 is provided at the center of 410, and the vibrating plate body 410 is formed with a wave portion 413; at least one metal wire 300 is continuously disposed on the wave portion 413 of the vibrating plate body 410; and a second anti-noise layer 430, The second anti-noise layer 430 covers the outer side of the fiber 110 and is between the metal wire 300 and the fiber 110 to eliminate the noise between the fiber 110 and the metal wire 300; wherein, the second anti-noise layer 430 further includes A resin layer 431 and a glue layer 432, and the glue layer 432 covers the outer side of the resin layer 431. As far as the effect is concerned, the anti-noise effect of separate processing is slightly better. However, due to the complexity of the manufacturing process, the required characteristics and cost of the video speaker vibrating plate are considered, and the appropriate method is considered. This is only an example. It's not limited to this.

Therefore, the present invention has the following implementation effects and technical effects:

First, the present invention eliminates the noise generated by the friction between the fiber 110 and the metal wire 300 through the arrangement of the anti-noise layer 430 when the speaker vibrates.

Second, the present invention can make use of the elasticity of the rubber material 220 to further soften the horn vibrating plate 400 and increase its ductility and fatigue resistance, which can effectively prevent the resin from being vibrated when the horn vibrating plate 400 is used for a long time. Factors such as fatigue stress and heat may cause problems such as hardening, aging and cracking.

The above is a description of the implementation of the present invention through specific specific examples. Those with ordinary knowledge in the art can easily understand the other advantages and effects of the present invention from the content disclosed in this specification.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all other equivalent changes or modifications made without departing from the spirit of the present invention should be included in the following patent scope Inside.

100: Cloth 110: Fiber 200: Anti-noise material 210: Resin material 220: plastic 300: Metal wire 400: Horn vibrating plate 410: Vibration plate body 412: perforation 413: Wave Department 420: Anti-noise layer 430: second anti-noise layer 431: Resin layer 432: Glue layer S1: Preparation steps S2: Anti-noise processing steps S3: drying step S4: Hot press forming step S5: Cutting steps

Fig. 1 is a block diagram of the manufacturing process of a horn vibrating plate with an anti-noise layer according to the present invention; 2 is a schematic diagram of a manufacturing process of a horn vibrating plate with an anti-noise layer according to a first embodiment of the present invention; 3 is a perspective view of a horn vibrating plate with an anti-noise layer after the cutting step according to the present invention; 4 is a perspective view of a horn vibrating piece with an anti-noise layer after metal wires are provided according to an embodiment of the present invention; 5 is a schematic partial cross-sectional view of a horn vibrating plate with an anti-noise layer according to an embodiment of the present invention; 6 is an enlarged schematic view of a partial cross-section along A-A of the horn vibrating plate with an anti-noise layer according to the first embodiment of the present invention; FIG. 7 is a schematic diagram of a manufacturing process of a horn vibrating plate with an anti-noise layer according to a second embodiment of the present invention; 8 is an enlarged schematic diagram of a partial cross-section along A-A of a horn vibrating piece with an anti-noise layer according to a second embodiment of the present invention.

S1: Preparation steps

S2: Anti-noise processing steps

S3: drying step

S4: Hot press forming step

S5: Cutting steps

Claims (10)

A method for manufacturing a horn vibrating plate with an anti-noise layer, which includes: In a preparation step, a cloth material is provided, which is formed by interlacing a plurality of fibers; An anti-noise treatment step, which is to immerse the cloth material in at least one liquid anti-noise material after the preparation step, the anti-noise material being a resin material, a glue material or a combination thereof; A drying step, drying the cloth material after the anti-noise treatment step; A hot press forming step, which heats and presses the cloth material by hot pressing, so that a plurality of uncut horn vibrating plates are formed on the cloth material at the same time; and A cutting step is to cut the uncut horn vibrating pieces, and obtain a plurality of horn vibrating pieces; After the drying step, the anti-noise material forms an anti-noise layer on the horn vibrating plates. The method for manufacturing a horn vibrating plate with an anti-noise layer according to claim 1, wherein the resin material is selected from one or a combination of synthetic resin and natural resin. The method for manufacturing a horn vibrating plate with an anti-noise layer according to claim 1, wherein the rubber material is selected from one or a combination of plastic, rubber, and silicone. The method for manufacturing a horn vibrating plate with an anti-noise layer according to claim 1, wherein the anti-noise treatment step is to immerse the cloth material in the liquid anti-noise material, and the anti-noise material contains the resin Material and the plastic material. The method for manufacturing a horn vibrating plate with an anti-noise layer according to claim 1, wherein the anti-noise treatment step is to immerse the cloth material in the liquid resin material, and then immerse the cloth material in the liquid resin material. In liquid glue. A horn vibrating plate with an anti-noise layer, which contains: A vibrating plate body, which includes a plurality of fibers interwoven with each other, wherein a perforation is provided at the center of the vibrating plate body, and the system of the vibrating plate forms a wave part; At least one metal wire is continuously arranged on the wave portion of the vibrating plate body; and An anti-noise layer which covers the outer side of the fibers and is between the metal wires and the fibers to eliminate the noise between the fibers and the metal wires. The horn vibrating plate with an anti-noise layer according to claim 6, wherein the material forming the anti-noise layer includes a resin material and a glue material, and the glue material is in the form of plural particles, and the glue material is Evenly distributed in the resin material. The horn vibrating piece with an anti-noise layer according to claim 6, wherein the anti-noise layer further includes a resin layer and a glue layer. The horn vibrating plate with an anti-noise layer according to claim 6, wherein the resin material is selected from one or a combination of synthetic resin and natural resin. The horn vibrating plate with an anti-noise layer according to claim 6, wherein the rubber material is selected from one or a combination of plastic, rubber, and silicone.

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