Film laminating process for loudspeaker mesh enclosure

A speaker and grille technology, which is applied in the field of film lamination process of speaker grille, can solve the problems of unable to meet the needs of sound transmission, poor dustproof effect, poor sound quality of speakers, etc., to shorten the production cycle and reduce equipment investment , Not easy to deform and wrinkle

Active Publication Date: 2015-06-24
SUZHOU CITY TENGYI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the aperture of the speaker mesh is extremely small, the traditional pasting process cannot meet the needs of sound transmission, resulting in poor sound quality or poor dustproof effect of the speaker

Method used

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  • Film laminating process for loudspeaker mesh enclosure
  • Film laminating process for loudspeaker mesh enclosure
  • Film laminating process for loudspeaker mesh enclosure

Examples

Experimental program
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Embodiment Construction

[0020] The present invention will be further described below in conjunction with specific embodiments.

[0021] Such as Figure 1 to Figure 3 As shown, a film bonding process for the horn grille, including the following steps:

[0022] 1) Blanking: The polycarbonate sheet used to make the speaker grille is formed by injection molding technology, and the rolled surface has a mesh hot-melt film with protrusions 802. The mesh hot-melt film is covered with penetrating holes. Holes 801; the components of the hot melt film include 65 parts by weight of thermoplastic polyurethane, 14 parts by weight of nitrogen-phosphorus composite flame retardant, 34 parts by weight of melamine cyanurate, 16 parts by weight of triphenyl phosphate, 20 parts by weight of hydrogenated rosin, and 2 parts by weight of pentaerythritol ester. parts by weight;

[0023] 2) Cutting: According to the design requirements of the speaker product, the polycarbonate sheet in step 1 is cut into the appearance of t...

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Abstract

The invention discloses a film laminating process for a loudspeaker mesh enclosure and belongs to the technical field of loudspeaker manufacturing. The film laminating process comprises the step one of feeding, the step two of cutting, the step three of quality testing and clearing, the step four of laminating, the step five of quality testing, the step six of waterproof testing, and the step seven of packaging and delivering. A hot-melt adhesive film of the film laminating process for the loudspeaker mesh enclosure comprises, by weight, 65 parts of thermoplastic polyurethane, 14 parts of nitrogen and phosphorus composite flame retardant, 34 parts of melamine cyanurate, 16 parts of triphenyl phosphate, 20 parts of hydrogenated rosin and 2 parts of pentaerythritol ester. By pressing the hot-melt adhesive film with protrusions in a hot mode, plugging structures are formed on the inner walls of meshes of a loudspeaker, the hot-melt adhesive film does not need to be punched through a needle bed, equipment investment is reduced, the cost is reduced, the production cycle is shortened, and the film laminating process is particularly suitable for manufacturing the micro-pore loudspeaker.

Description

technical field [0001] The invention belongs to the technical field of loudspeaker production, and more specifically relates to a film bonding process for a loudspeaker net cover. Background technique [0002] Polycarbonate (referred to as PC) film to replace metal aluminum and iron materials as plastic speaker nets for TVs, stereos, portable DVDs, and notebook computers has become a common trend now. The main advantages of PC used in speaker nets are as follows: simple processing technology, low cost, and wider aperture range of speaker nets; bright color and good surface gloss, beautiful appearance; good formability, light weight, and environmental protection; Colors can be manufactured according to customer needs, and dust-proof gauze and various double-sided adhesive tapes can be prepared on the back. [0003] In order to prevent dust or water from entering the inside of the speaker, the back of the existing speaker mesh is pasted with hot melt. The hot melt film is a f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R31/00
Inventor 王文成
Owner SUZHOU CITY TENGYI TECH
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