TWI755699B - Horn vibrating plate with anti-noise layer and method of making the same - Google Patents

Abstract

The invention provides a horn vibrating piece with an anti-noise layer and a manufacturing method thereof. The steps include: a preparation step, providing a cloth material, and the cloth material is interlaced with a plurality of fibers; an anti-noise treatment step is performed after the preparation step. Immerse the cloth in at least one liquid anti-noise material, which is a resin material, a glue material or a combination thereof; in the drying step, the cloth after the anti-noise treatment step is dried; step, the hot-pressing mold heats and pressurizes the cloth material in a hot-pressing manner, so that a plurality of uncut horn vibrating pieces are simultaneously formed on the cloth material; and the cutting step corresponds to the uncut horn vibrating piece The pieces are cut, and a plurality of horn vibrating pieces are obtained. In this way, an anti-noise layer is formed on the horn vibrating piece by the anti-noise material, so as to eliminate the noise generated by friction between the fiber and the metal wire when the horn vibrates.

Description

Horn vibrating plate with anti-noise layer and method of making the same

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

A general speaker includes a woofer, a midrange unit, and a tweeter, and these three units are responsible for different frequencies. In a typical moving coil speaker, when the current flows through the wire to the voice coil, an electromagnetic field will be generated. Since this electromagnetic field is at right angles to the magnetic field of the permanent magnet on the speaker, the moving 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, so as to achieve the purpose of restoring the sound for human listening, and realize the conversion of electrical energy to sound energy. transform.

In order to prevent the voice coil in the speaker from contacting other metal components due to vertical and up-and-down vibrations, many non-metallic parts included in the speaker are made of cloth. The main reason is that the specially treated cloth has the appropriate The elasticity and strength of the horn can provide the required function of the horn when it is actuated. Among them, the horn vibrating sheet (or Damper) is one of the most important components in the horn or speaker structure. In addition to providing the horn or speaker Better output power and audio characteristics are also the basis for the quality control of loudspeaker or loudspeaker manufacturers when manufacturing loudspeakers or loudspeakers.

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

However, the problem of the prior art speaker vibrating plate is that the resin on its surface is quite hard, and when vibrating, it rubs against the metal wires on it, causing 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 subjected to vibration, fatigue stress, heat and other factors, which may cause problems such as hardening, aging and cracking.

In view of the above-mentioned shortcomings of the conventional loudspeaker vibrating plate, the creators have researched and improved the method for these shortcomings, and finally the present invention is produced.

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

Another object of the present invention is to provide a horn vibrating piece with an anti-noise layer, wherein the horn vibrating piece has a certain degree of softness by means of an adhesive material, which can effectively reduce the vibration and fatigue stress of the resin when the horn vibrating piece 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 objects and effects, the present invention provides a method for manufacturing a horn vibrating piece with an anti-noise layer, which includes: a preparation step, providing a cloth material, which is formed by interlaced weaving of a plurality of fibers; an anti-noise treatment step, which is to immerse the cloth 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 , the cloth material is dried, and then the hot pressing forming step is performed; in a hot pressing forming step, a hot pressing mold is used to heat and pressurize the cloth material by hot pressing, so that the cloth material is simultaneously formed There are a plurality of uncut horn vibrating pieces; and a cutting step is to cut the uncut horn vibrating pieces to obtain a plurality of horn vibrating pieces; wherein the anti-noise material is obtained after the drying step , an anti-noise layer is formed on the horn vibrating pieces, and the anti-noise layer is used to eliminate the noise between the fibers and the metal wires.

Preferably, these fibers are selected from one of polyester fibers, cotton fibers, acrylic fibers, silk fibers, polyethylene naphthalate (PEN), benzamide fibers (Aramid), and bamboo fibers. or a combination thereof.

Preferably, the anti-noise material in liquid state comprises 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 adhesive material is selected from one of plastic, rubber, and silicone or a combination thereof.

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

Specifically, according to another embodiment of the present invention, a method for manufacturing a horn vibrating piece with an anti-noise layer is performed during the anti-noise treatment step, firstly dipping the cloth in the liquid resin material, and then dipping the cloth into the liquid resin material. The cloth material is immersed in the liquid glue material.

Also, in order to achieve the above-mentioned purpose, the present invention is based on the above-mentioned manufacturing method of the horn vibrating piece with an anti-noise layer, and further produces a horn vibrating piece with an anti-noise layer, which comprises: a vibrating piece body, The vibrating piece body system includes a plurality of fibers, and the fibers are intertwined with each other, wherein a perforation is provided at the center of the vibrating piece body, and a wave portion is formed in the body system; at least one metal wire is continuously arranged in the wave body of the body. part; and an anti-noise layer covering the outside of the fibers and between the metal wires and the fibers for eliminating 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 adhesive material is selected from one of plastic, rubber, and silicone or a combination thereof.

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

To sum up, the horn vibrating piece with the anti-noise layer provided by the present invention has the characteristics of anti-noise, preventing hardening and aging of the horn vibrating piece.

In order for those skilled in the art to understand the purpose, features and effects of the present invention, the present invention is described in detail as follows by means of the following specific embodiments and in conjunction with the accompanying drawings.

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

The following embodiments are provided only as examples, so that those having ordinary skill in the art can fully understand the disclosure of the present invention and the scope of the disclosure of the present invention.

Accordingly, the present invention should be limited only by the scope of the appended claims. In the drawings for describing 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 refer to the same elements. Any reference to the singular may include the plural unless expressly stated otherwise.

Please refer to FIG. 1 . FIG. 1 is a block diagram illustrating a manufacturing process of a speaker vibrating piece with an anti-noise layer according to the present invention. As shown in the figure, according to the method for manufacturing a horn vibrating piece with an anti-noise layer provided by the present invention, the method 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, and the components of the fibers 110 can be polyester fibers, cotton fibers, acrylic fibers, silk fibers, polyethylene naphthalate (PEN), benzamide fibers (Aramid), Bamboo fiber, etc., but not limited to this.

An anti-noise treatment step (step S2 ), which is after the preparation step (step S1 ), immersing the cloth 100 in at least one liquid anti-noise material 200 , the anti-noise material 200 may be a resin material 210 , a plastic material 220 or a combination thereof, so that the cloth material 100 can fully absorb the anti-noise material 200, which can effectively eliminate the noise generated by 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 piece with an anti-noise layer is performed in the anti-noise treatment step (step S2 ) by immersing the cloth 100 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 resin and natural resin. The resin material 210 is used to make the cloth 100 have a certain hardness after being absorbed. Molecular resin material, and not limited to this.

Specifically, the adhesive material 220 according to the present invention is selected from one or a combination of plastic, rubber, and silicone, and is not limited thereto. The adhesive 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 cloth material 100 and the metal wire 300 when the cloth material 100 vibrates.

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

A hot-press forming step (step S4 ), in which a plurality of uncut horn vibrating pieces 400 are formed on the cloth material 100 by heat-press forming at a temperature of 200-230 degrees.

A cutting step (step S5), corresponding to the plurality of uncut horn vibrating pieces 400 formed after the above-mentioned hot pressing forming step is cut to obtain a plurality of horn vibrating pieces 400, and the horn vibrating pieces 400 are The form is shown in Figure 3.

4 is a perspective view of the speaker vibrating plate 400 with an anti-noise layer after the metal wires 300 are arranged according to an embodiment of the present invention; as shown in FIG. 4 , according to an embodiment of the present invention, at least one metal wire 300 is arranged after the above-mentioned cutting step The horn vibrating plate 400. 5 and FIG. 6, the present invention is based on the above-mentioned manufacturing method of a horn vibrating piece with an anti-noise layer, and further produces a horn vibrating piece 400 with an anti-noise layer, which has an anti-noise layer. The horn vibrating piece 400 of the layer includes: a vibrating piece body 410, which includes a plurality of fibers 110, and these fibers 110 are interwoven with each other, wherein a through hole 412 is provided at the central position of the vibrating piece body 410, and the vibrating piece body 410 is formed There is a wave portion 413; at least one metal wire 300 is continuously disposed on the wave portion 413 of the vibrating plate body 410; Between the fibers 110 , the noise between the fibers 110 and the metal wires 300 is eliminated.

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 an adhesive material 220 . 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 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 thereto.

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

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

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

It should be further noted that the difference between the manufacturing process of the speaker vibrating piece with the 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 materials 100 are respectively It is immersed in the liquid resin material 210 and the glue material 220 . In this way, after the anti-noise treatment step (step S2) is completed, the drying step can be performed, and finally the hot pressing forming, cutting and other steps can be performed. These steps have been described as above and will not be repeated here. Repeat instructions.

8 is an enlarged schematic view 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 piece 400 with an anti-noise layer according to the second embodiment of the present invention includes: a vibrating piece body 410, which includes a plurality of fibers 110, and the fibers 110 are interwoven with each other, wherein the vibrating piece body 410 A through hole 412 is provided at the central position of the vibrating piece 410, and a wave portion 413 is formed on the vibrating piece body 410; at least one metal wire 300 is continuously arranged on the wave portion 413 of the vibrating piece body 410; and a second anti-noise layer 430, the first The second anti-noise layer 430 is coated on the outside 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 an adhesive layer 432 , and the adhesive layer 432 covers the outside of the resin layer 431 . In terms of effect, the anti-noise effect of separate processing is slightly better, but due to the complexity of the manufacturing process, the characteristics and cost of the visual speaker vibrating sheet product requirements are considered, and it is more appropriate to consider which method to use. This is just an example. It is not limited to this.

Thereby, the present invention has the following implementation effect and technical effect:

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

Second, the present invention can utilize the elasticity of the adhesive material 220 to further soften the horn vibrating piece 400 and increase its ductility and fatigue resistance, which can effectively prevent the horn vibrating piece 400 from being vibrated, Fatigue stress, heat and other factors may cause problems such as hardening, aging and cracking.

The embodiments of the present invention are described above by means of specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents 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 disclosed in the present invention shall be included in the following patent scope Inside.

100: Cloth 110: Fiber 200: Anti-noise material 210: Resin material 220: glue material 300: Metal Wire 400: Horn Vibrator 410: Vibration piece body 412: Perforation 413: Wavy Department 420: Anti-noise layer 430: Second anti-noise layer 431: resin layer 432: Adhesive layer S1: Preparation steps S2: Anti-noise processing step S3: drying step S4: Hot press forming step S5: cutting step

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 piece with an anti-noise layer according to the first embodiment of the present invention; 3 is a perspective view of a horn vibrating piece with an anti-noise layer after the cutting step according to the present invention; 4 is a perspective view of a speaker vibrating piece with an anti-noise layer provided with metal wires according to an embodiment of the present invention; 5 is a partial cross-sectional schematic diagram of a horn vibrating piece 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 a horn vibrating piece with an anti-noise layer according to the first embodiment of the present invention; 7 is a schematic diagram of a manufacturing process of a horn vibrating piece with an anti-noise layer according to a second embodiment of the present invention; 8 is an enlarged schematic view 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 step

S3: drying step

S4: Hot press forming step

S5: cutting step

Claims (10)

A manufacturing method of a horn vibrating piece with an anti-noise layer, which comprises: a preparation step, providing a cloth material, the cloth material is interlaced by a plurality of fibers; an anti-noise treatment step, which is related to the preparation After the step, the cloth material is immersed in at least one liquid anti-noise material, which is a resin material, a glue material or a combination thereof; in a drying step, the anti-noise material after the anti-noise treatment step will be The cloth is dried; a hot-press forming step is to heat and pressurize the cloth by means of hot-pressing, so that a plurality of uncut horn vibrating pieces are formed on the cloth at the same time; and a cutting step, cutting the horn vibrating pieces that should not be cut, and obtaining a plurality of horn vibrating pieces; wherein the anti-noise material forms an anti-noise on the horn vibrating pieces after the drying step layer; and, after the cutting step, at least one metal wire is arranged on the cut plurality of horn vibrating sheets. The method for manufacturing a horn vibrating piece with an anti-noise layer as claimed in claim 1, wherein the resin material is selected from one of synthetic resin and natural resin or a combination thereof. The method for manufacturing a horn vibrating piece with an anti-noise layer as claimed in claim 1, wherein the adhesive material is selected from one of plastic, rubber, and silicone or a combination thereof. The method for manufacturing a horn vibrating piece with an anti-noise layer according to claim 1, wherein the anti-noise treatment step is to immerse the cloth in the liquid anti-noise material, and the anti-noise material comprises the resin material and the adhesive. The method for manufacturing a horn vibrating piece with an anti-noise layer as claimed in claim 1, wherein the anti-noise treatment step is to soak the cloth material in the liquid resin material first, and then soak the cloth material in the liquid resin material. in liquid glue. A horn vibrating piece with an anti-noise layer, which includes: a vibrating piece body, which includes a plurality of fibers, the fibers are interwoven with each other, wherein a perforation is provided at the center of the vibrating piece body, and the vibrating piece is originally The system is formed with a wave portion; at least one metal wire is continuously arranged on the wave portion of the vibrating piece body; and an anti-noise layer, the anti-noise layer coats the outside of the fibers and is interposed between the metal wires and the fibers for eliminating noise between the fibers and the metal wires, wherein the formation of The material of the anti-noise layer includes a resin material and a glue material. The horn vibrating piece with an anti-noise layer according to claim 6, wherein the glue material is in the form of a plurality of particles, and the glue material is evenly distributed in the resin material. The horn vibrating piece with an anti-noise layer as claimed in claim 6, wherein the anti-noise layer further comprises a resin layer and an adhesive layer. The horn vibrating piece with an anti-noise layer as claimed in claim 6, wherein the resin material is selected from one of synthetic resin and natural resin or a combination thereof. The loudspeaker vibrating piece with an anti-noise layer as claimed in claim 6, wherein the adhesive material is selected from one of plastic, rubber, and silicone or a combination thereof.

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