TWI680049B - Method for manufacturing speaker net cover - Google Patents

Abstract

The invention discloses a method for manufacturing a loudspeaker mesh cover, which comprises: firstly heating a fixed projection, a first module, a second module, and a central indenter of a hot press molding machine through a heating element provided inside to heat Then, a flat mesh is placed on the surface of the fixed projection, and then the central indenter is lowered, and the bottom edge of the central indenter is pressed to the middle section of the flat mesh to the first arc of the fixed projection. The first module and the second module are moved toward the center through the second arc-shaped groove provided by the first module and the second module has The third arc-shaped groove gradually presses the two sides of the flat mesh up on the two edges of the central indenter; and finally passes through the preheated fixed bumps, the first module, the second module and the center The indenter heats and pressure-shapes the flat mesh to form a three-dimensional and integrally formed speaker mesh cover, so as to reduce manufacturing processes, improve production efficiency, and reduce manufacturing costs.

Description

Method for manufacturing speaker net cover

The present invention relates to a manufacturing method, and particularly to a manufacturing method for effectively manufacturing a speaker mesh cover with three-dimensional effects and integral molding.

According to people's rapid pace of life and increasing pressure, in order to release all the pressures accumulated in work or life, they often express their stress by listening to music. Therefore, they will buy music playback devices with good sound quality and beautiful appearance. play music.

However, a variety of music playback devices already exist on the market. However, if the conventional music playback device has a curved shape, the speaker net cover installed on the surface of the music playback device needs to be assembled by joining multiple meshes. , Not only is the production process complicated and the production efficiency is low, but it will also have high manufacturing costs.

The reason is that how to provide a manufacturing method that can effectively produce a three-dimensional effect and integrally formed speaker mesh cover has become a problem that needs to be overcome at present.

The main object of the present invention is to provide a speaker net cover. The manufacturing method uses a hot press molding machine to produce a three-dimensional and integrally formed speaker mesh cover through a process of pressure heating, so as to reduce manufacturing processes, improve production efficiency, and reduce manufacturing costs.

Therefore, in order to achieve the above-mentioned object, the present invention is a method for manufacturing a loudspeaker mesh cover, which includes a preheating process, a fixed block, a first module, a second module, and a central indenter of a thermocompression molding machine. Heating through the heating element provided inside; a preparation procedure, a flat mesh is placed on the surface of the fixed projection; a central pressurization procedure, lowering the central indenter, and making the bottom edge of the central indenter The middle section of the flat mesh is pressed into the first arc-shaped groove of the fixed projection, and both sides of the flat mesh are lifted up; one side is pressurized, and the first module and the second The module moves toward the center, and through the second arc-shaped groove provided by the first module and the third arc-shaped groove provided by the second module, the two sides of the flat mesh are gradually pressed against two of the central indenter. On the side edge; and a heat-setting process, which heats and presses the flat mesh through the pre-heated fixed bumps, the first module, the second module, and the central indenter to form a three-dimensional effect and integration Molded speaker grille.

According to the manufacturing method of the speaker net cover mentioned above, the heating setting procedure is to set the heating temperature of the heating element to 130-140 ° C.

According to the manufacturing method of the speaker net cover mentioned above, the central pressurizing program and the side pressurizing program are pressurized for 120-240 seconds.

According to the manufacturing method of the speaker net cover mentioned above, the heating setting procedure is to set the heating temperature of the heating element to 135 ° C, and the central pressing procedure and the side pressing procedure to set the pressing time to 120. second.

The manufacturing method of the speaker net cover mentioned above further includes a cooling However, the cooling liquid contained in a cooling mechanism is input to the fixed projection, the first module, the second module, and the cooling pipe in the central indenter to cool the speaker net cover.

The manufacturing method of the speaker mesh cover mentioned above, wherein the material of the flat mesh is polycarbonate.

In summary, the present invention will be described in detail below with specific embodiments. The following examples are only examples, and do not limit the protection scope of the present invention. Those skilled in the art will easily understand various non-critical parameters that can be changed or adjusted to produce essentially the same results.

10‧‧‧Hot press forming machine

11‧‧‧ base

111‧‧‧ fixed bump

1111‧‧‧First curved groove

12‧‧‧ push block

121‧‧‧ first module

1211‧‧‧Second curved groove

122‧‧‧Second Module

1221‧‧‧ Third curved groove

13‧‧‧Lifting mechanism

131‧‧‧ support unit

132‧‧‧lifting platform

133‧‧‧central indenter

1331‧‧‧ bottom edge

1332, 1333‧‧‧‧Edge

14‧‧‧ accommodation gap

15‧‧‧Heating element

16‧‧‧ cooling pipe

P‧‧‧flat mesh

S1‧‧‧ warm-up procedure

S2‧‧‧ Preparation Procedure

S3‧‧‧ Central Pressure Procedure

S4‧‧‧Side Pressure Procedure

S5‧‧‧Heat setting procedure

FIG. 1 is a schematic perspective view of a hot press molding machine used in the manufacturing method of a speaker net cover of the present invention.

FIG. 2 is a partial cross-sectional view of a hot press molding machine used in the method for manufacturing a speaker net cover of the present invention.

Figures 3A to 3C are schematic diagrams of the operation of a hot press molding machine used in the manufacturing method of the speaker net cover of the present invention.

FIG. 4 is a cross-sectional view of another part of a hot press molding machine used in a method for manufacturing a speaker net cover of the present invention.

FIG. 5 is a schematic flowchart of a method for manufacturing a speaker net cover according to the present invention.

Embodiments of the present invention will be described below with reference to FIGS. 1 to 5. This description is not intended to limit the embodiments of the present invention, but to implement the present invention. Example.

First, please refer to FIG. 1 and FIG. 2 at the same time, which is a hot press molding machine 10 used in the manufacturing method of a speaker net cover of the present invention. The hot press molding machine 10 includes: a base 11 having a base 11 The fixed projection 111 has a first arc-shaped groove 1111 on the upper surface of the fixed projection 111; a plurality of push blocks 12 are oppositely disposed on both sides of the fixed projection 111 and are combined with the base. 11 and the pushing blocks 12 are respectively provided with a first module 121 and a second module 122, and the inner sides of the first module 121 and the second module 122 are respectively provided with second arc-shaped grooves 1211 and a third An arc-shaped groove 1221; and a lifting mechanism 13 having a supporting unit 131 and a lifting platform 132, the bottom of the supporting unit 131 is coupled to the base 11, and the lifting platform 132 is connected to the supporting unit 131 is combined and can be raised and lowered, and a central indenter 133 is extended downward from the bottom surface of the elevating platform 132, and the central indenter 133 is oppositely disposed above the fixed projection 111, and the central indenter 133 The bottom edge 1331 and the side edges 1332 and 1333 are respectively related to the first The groove 1111 corresponds to the second arc-shaped groove 1211 and the third arc-shaped groove 1221. When the central indenter 133 is combined with the fixed projection 111, the first module 121 and the second module 122 At this time, there is an accommodating gap 14; among them, a heating element 15 is provided in the fixing protrusion 111, the first module 121, the second module 122, and the central indenter 133.

Next, please refer to Figs. 1 to 5 at the same time. The manufacturing method of the loudspeaker net cover of the present invention includes a preheating procedure S1, a fixed projection 111 and a first module of the hot-press forming machine 10 121. The second module 122 and the central indenter 133 are heated through the heating element 15 provided inside; a preparation procedure S2, a flat mesh P is placed on the surface of the fixed projection 111; a central pressing procedure S3 , Lowering the central indenter 133 and pressing the bottom edge 1331 of the central indenter 133 to press the middle section of the flat mesh P into the first arc-shaped groove of the fixed projection 111. Within 1111, the two sides of the flat mesh P are lifted up; one side presses the program S4, moves the first module 121 and the second module 122 toward the center, and passes through the second arc of the first module 121 The shaped groove 1211 and the third arc-shaped groove 1221 provided in the second module 122 gradually press the two sides of the flat mesh P upward on the side edges 1332 and 1333 of the central indenter 133; and a heating The setting procedure S5 is to heat and pressurize the planar mesh P through the preheated fixed bump 111, the first module 121, the second module 122, and the central indenter 133 to form a three-dimensional effect and integral molding. The speaker net cover is a non-closed elliptical cylinder. Preferably, the material of the flat mesh P is polycarbonate.

Among them, the pre-heating program S1 is to set the heating temperature of the heating element 15 to 130-140 ° C; the central pressurizing program S3 and the side pressurizing program S4 are set to 120-240 seconds. However, in a preferred embodiment, when the preheating program S1 sets the heating temperature of the heating element 15 to 135 ° C. and the pressing time of the central pressure program S3 and the side pressure program S4 is set to 120 seconds, So that the speaker net cover can have a better styling effect. However, under different heating temperatures, the size of the openings formed by the speaker net cover is different, so it can accommodate horn bodies of different sizes (not shown). Therefore, it can be Speaker grilles of different models are produced at different heating temperatures.

Finally, the manufacturing method of the loudspeaker mesh cover of the present invention further includes a cooling process, and the cooling liquid contained in a cooling mechanism (not shown) is input to the fixed projection 111, the first module 121, and the second module. 122 and the cooling pipe 16 (as shown in FIG. 4) in the central indenter 133, so that the speaker net cover can cool down after heating and setting procedure S4 to increase the speed of setting and production.

Therefore, the present invention does provide a method for manufacturing a loudspeaker mesh cover. A three-dimensional and integrally formed loudspeaker mesh cover is manufactured by a hot-press molding machine through a process of pressure heating to reduce the manufacturing process, improve production efficiency, and Reduce manufacturing costs.

However, the above are only the preferred embodiments of the present invention. When the scope of implementation of the present invention cannot be limited in this way, that is, any simple equivalent changes and modifications made in accordance with the scope of the patent application and the description of the invention are all Still within the scope of the invention patent.

Claims (6)

A method for manufacturing a loudspeaker net cover, comprising: a preheating process, heating a fixed projection, a first module, a second module, and a central indenter of a thermoforming machine through a heating element provided inside to heat A preparation procedure, placing a flat mesh on the surface of the fixed projection; a central pressurizing procedure, lowering the central indenter, and pressing the bottom edge of the central indenter to press the middle section of the planar mesh on the Inside the first arc-shaped groove of the fixed projection, and lift both sides of the flat mesh; one side presses the program, moves the first module and the second module toward the center, and passes through the first module The second arc-shaped groove and the third arc-shaped groove of the second module gradually press the two sides of the flat mesh on the edges of the two sides of the central indenter; and a heat setting procedure, The planar mesh is heated and press-shaped by the pre-heated fixed projection, the first module, the second module and the central indenter to form a three-dimensional and integrally formed speaker mesh cover. The manufacturing method of the loudspeaker net cover as described in the first item of the patent application scope, wherein the heating setting procedure is to set the heating temperature of the heating element to 130-140 ° C. According to the manufacturing method of the loudspeaker net cover described in the second item of the scope of the patent application, the central pressurizing program and the side pressurizing program are pressurized for 120-240 seconds. The method for manufacturing a loudspeaker grille according to item 3 of the scope of the patent application, wherein the heating setting procedure is to set the heating temperature of the heating element to 135 ° C, and the central pressure procedure and the side pressure procedure are pressurized. The time is set to 120 seconds. According to the manufacturing method of the speaker net cover described in any one of claims 1 to 4, the method further includes a cooling process, and the cooling liquid contained in a cooling mechanism is input to the fixed projection and the first module. 2. The second module and a cooling pipe in the central indenter to cool the speaker net cover. The manufacturing method of the speaker net cover according to item 1 of the scope of the patent application, wherein the material of the flat mesh is polycarbonate.