CN109135608B

CN109135608B - Production method of sounder vibrating diaphragm gum patch

Info

Publication number: CN109135608B
Application number: CN201811038883.XA
Authority: CN
Inventors: 江刚
Original assignee: Suzhou Leibaitaike Electronic Technology Co ltd
Current assignee: Suzhou Leibaitaike Electronic Technology Co ltd
Priority date: 2018-09-06
Filing date: 2018-09-06
Publication date: 2020-10-23
Anticipated expiration: 2038-09-06
Also published as: CN109135608A

Abstract

The application relates to a production method of a sounder vibrating membrane gum patch, which comprises the steps of attaching an adhesive layer of a main material to a first membrane material, forming a shape required by gum through stamping, tearing off a first transparent adhesive tape, and taking away the punched first membrane material and a release membrane at a first positioning hole, a gum shape forming hole and a second positioning hole through the transparent adhesive tape; the second transparent adhesive tape is adhered and the release film is torn off, the adhesive on the part outside the gum shape forming hole is taken away by the release film, and the required gum shape is formed by two times of waste discharge, so that the production method of the gum patch of the vibration film of the acoustic generator can be used for producing the gum patch of the vibration film of the acoustic generator in large batch, the production efficiency is high, and the automation is easy to realize.

Description

Production method of sounder vibrating diaphragm gum patch

Technical Field

The application belongs to the technical field of gum production methods, and particularly relates to a production method of a gum patch of a sounder vibrating membrane.

Background

The earphone-type speaker generally includes a central ring recess in the bottom shell, a magnet, a front pole piece, a voice coil, a diaphragm and a protecting cover are sequentially placed in the central ring recess from bottom to top, the bottom shell is combined with a terminal plate at the bottom side of the edge wall so that a lead of the voice coil can penetrate out and be lap-welded on the terminal plate, the diaphragm is combined with a metal ring at the periphery of the diameter, and a back adhesive layer is coated in an annular area on one side of the diaphragm. Aiming at the problem that no better production process exists for the annular back glue at present, and the automation degree is not high.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to solve the technical problem of low automation degree in the prior art, the automatic production method of the acoustic generator diaphragm gum patch is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a production method of a sounder diaphragm gum patch comprises the following steps:

s1: tearing off the stripping layer from the main material, attaching the lower layer to one surface of the first film material, and attaching the other surface of the first film material to the transparent adhesive tape;

the main material comprises an upper stripping layer, an adhesive layer and a lower stripping layer which are arranged from top to bottom in sequence, wherein the adhesive layer also comprises a first propylene series adhesive, a polyester film and a second propylene series adhesive;

the first film material is a PET film;

s2: tearing off the upper stripping layer of the main material to enable the first film material to be only adhered with the adhesive layer of the main material, and attaching a release film to form a composite film material;

s3: punching the composite film material, wherein the punched composite film material comprises first positioning holes positioned at two sides of the composite film material, gum-shaped forming holes positioned in the middle of the composite film material, and second positioning holes positioned at four corners of the gum-shaped forming holes,

the first positioning hole, the gum shape forming hole and the second positioning hole are punched through the first film material and the release film without punching the transparent adhesive tape, and the gum shape forming hole is punched through the adhesive layer and the release film without punching the transparent adhesive tape and the first film material to form the adhesive with the shape required by the annular gum;

s4: tearing off the first transparent adhesive tape, and taking away the punched first film material and the punched release film at the first positioning hole, the back adhesive shape forming hole and the second positioning hole through the transparent adhesive tape;

s5: adhering and tearing off the release film through the second transparent adhesive tape, and taking away the viscose except the annular back adhesive through the release film;

s6: and pasting a UV protective film.

Preferably, in the method for producing the sounder diaphragm gum patch according to the present invention, the shape of the annular gum in the step S3 is a rounded rectangle, or an ellipse or a circle.

Preferably, in the method for producing the sounder diaphragm gum patch of the present invention, in the step S1, the first film material, the main material and the scotch tape are attached by a rubber pressing roller.

Preferably, in the method for producing the sounder diaphragm gum patch of the present invention, the stamping in the step S3 is performed by a stamping die, and the stamping die includes:

the bottom plate, the bar cutter that sets up in the bottom plate both sides is located the first circular cutter that is used for forming first locating hole of bar cutter inboard, the shaping has the first annular cutter that is used for shaping gum shape shaping hole in the middle of the bottom plate, first annular cutter external mold has second annular cutter, second annular cutter height is less than first annular cutter, the difference in height of second annular cutter and first annular cutter is from type membrane thickness, second annular cutter four corners department is provided with the circular cutter of second, first annular cutter, first circular cutter equals with the circular cutter height of second.

Preferably, the main material of the sounder diaphragm adhesive tape patch production method of the present invention is No.5605R double-sided adhesive tape or No.5603R double-sided adhesive tape from nippon electric corporation.

Preferably, in the method for producing the sounder diaphragm gum patch of the present invention, the first film material is an MB/MBEB type PET release film of santa technologies ltd.

Preferably, in the method for producing the sounder diaphragm gum patch of the present invention, the release film is PE2510 of sozhou, pio, electronic materials ltd.

The invention also provides a sounder vibrating diaphragm gum patch which is prepared according to the production method of the sounder vibrating diaphragm gum patch.

The invention has the beneficial effects that:

the production method of the sounder vibrating membrane gum paster comprises the steps of attaching the adhesive layer of the main material to the first membrane material, forming the shape required by gum through stamping, tearing off the first transparent adhesive tape, and taking away the punched first membrane material and the release membrane at the first positioning hole, the gum shape forming hole and the second positioning hole through the transparent adhesive tape; the second transparent adhesive tape is adhered and the release film is torn off, the adhesive on the part outside the gum shape forming hole is taken away by the release film, and the required gum shape is formed by two times of waste discharge, so that the production method of the gum patch of the vibration film of the acoustic generator can be used for producing the gum patch of the vibration film of the acoustic generator in large batch, the production efficiency is high, and the automation is easy to realize.

Drawings

The technical solution of the present application is further explained below with reference to the drawings and the embodiments.

FIG. 1 is a schematic structural diagram of a main material according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a first film according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a composite membrane after stamping according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a sounder diaphragm gum patch construction according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a stamping die according to an embodiment of the present application;

the reference numbers in the figures are:

4-a release film; 7-protective film; 8-ring-shaped gum; 9-a stamping die; 10-an adhesive layer; 11-applying a release layer; 12-a first propylene series adhesive; 13-a polyester film; 14-a second propylene series adhesive; 15-lower release layer; 21-silicon oil layer; 22-PET film layer; 23-an antistatic layer; 51-a first locating hole; 52-gum-shaped forming holes; 53-a second positioning hole; 91-a first circular cutter; 92-a second circular cutter; 93-a first annular cutter; 94-a second annular cutter; 95-strip cutter.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.

The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

The embodiment provides a production method of a sounder diaphragm gum patch, which comprises the following steps:

s1: tearing off the peeling layer 15 from the main material, attaching the lower layer to one surface of the first film material, and attaching the other surface of the first film material to the transparent adhesive tape; the first film material, the first film material and the transparent adhesive tape are attached through a rubber compression roller;

the main material is No.5605R double-sided adhesive tape or No.5603R double-sided adhesive tape of Nidong electric company, and the structure is as shown in figure 1, and comprises an upper peeling layer 11, an adhesive layer 10 (comprising a first propylene series adhesive 12, a polyester film 13 and a second propylene series adhesive 14) and a lower peeling layer 15 which are arranged in sequence from top to bottom;

the first film material is an MB/MBEB type PET release film of Suzhou Xinchen science and technology Limited, the structure of which is shown in figure 2, the MBEB type PET release film comprises a silicon oil layer 21, a PET film layer 22 and an antistatic layer 23 which are sequentially arranged from top to bottom, and the MB type PET release film comprises a silicon oil layer 21 and a PET film layer 22 which are sequentially arranged from top to bottom;

s2: tearing off the upper stripping layer 11 of the main material to ensure that only the adhesive layer 10 of the main material is adhered to the first film material, and attaching the release film 4 to form a composite film material, wherein the release film 4 is PE2510 of Suzhou Pin ao electronic material Co., Ltd;

s3: the composite film is punched, and comprises first positioning holes 51 positioned at two sides of the composite film, gum-shaped forming holes 52 positioned in the middle of the composite film, second positioning holes 53 positioned at four corners of the gum-shaped forming holes 52,

the first positioning hole 51, the gum shape forming hole 52 and the second positioning hole 53 are punched through the first film material and the release film 4 without punching through the first transparent adhesive tape, the adhesive layer 10 and the release film 4 are punched through the gum shape forming hole 52 without punching through the first transparent adhesive tape and the first film material to form an adhesive with a shape required by the annular gum 8, the punched shape is as shown in fig. 3, the first transparent adhesive tape is further arranged at the bottom of the release film 4, and the annular gum 8 is formed after the adhesive layer 10 is punched and broken and is the same as the adhesive layer 10 belonging to the main material;

s4: tearing off the first transparent adhesive tape, and taking away the punched first film material and the release film 4 at the first positioning hole 51, the back adhesive shape forming hole 52 and the second positioning hole 53 through the transparent adhesive tape;

s5: adhering and tearing off the release film 4 through the second transparent adhesive tape, and taking away and removing the adhesive on the outer part of the gum shape forming hole 52 through the release film 4;

s6: and attaching a UV protective film 7, and obtaining the final product shown in figure 4.

In the embodiment, the adhesive layer 10 of the main material is attached to the first film material, the shape required by the back adhesive is formed by stamping, and then the first scotch tape is torn off, so that the first film material and the release film 4 which are punched and cut at the first positioning hole 51, the back adhesive shape forming hole 52 and the second positioning hole 53 are taken away by the scotch tape; through the adhesion of second scotch tape and tear and leave type membrane 4, take away the viscose that removes the outside part of gum shape shaping hole 52 through leaving type membrane 4, form required gum shape through twice waste discharge, consequently, the production method of sounder vibrating diaphragm gum paster of this embodiment can mass production sounder vibrating diaphragm gum paster, and production efficiency is high, realizes automaticly easily.

Preferably, the shape of the ring-shaped back adhesive 8 in the S3 step is a rounded rectangle, an ellipse, a circle, or the like.

The punching in the step S3 is performed by a punching die 9, the punching die 9 including:

the bottom plate, the bar cutter 95 of setting in the bottom plate both sides (bar cutter 95 is used for surely going out corresponding width), be located the inboard first circular cutter 91 that is used for forming first locating hole 51 of bar cutter, the shaping has the first annular cutter 93 that is used for shaping gum shape shaping hole 52 in the middle of the bottom plate, the shaping has second annular cutter 94 outside first annular cutter 93, second annular cutter 94 highly is less than first annular cutter 93, the difference in height of second annular cutter 94 and first annular cutter 93 is from type membrane 4 thickness, second annular cutter 94 four corners department is provided with second circular cutter 92, first annular cutter 93, first circular cutter 91 equals with second circular cutter 92 height.

The obtained product was tested for peel force according to GB/T2792-1998, with peel force of 8.6-8.9 (gf/25mm) for 20 minutes.

Example 2

The embodiment provides a sounder diaphragm gum patch which is prepared by the method for producing the sounder diaphragm gum patch of embodiment 1.

In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.

Claims

1. A production method of a sounder diaphragm gum patch is characterized by comprising the following steps:

s1: tearing off the stripping layer (15) from the main material, attaching the lower layer to one surface of the first film material, and attaching the other surface of the first film material to the first transparent adhesive tape;

the main material comprises an upper stripping layer (11), an adhesive layer (10) and a lower stripping layer (15) which are arranged from top to bottom in sequence, wherein the adhesive layer (10) also comprises a first propylene series adhesive (12), a polyester film (13) and a second propylene series adhesive (14);

the first film material is a PET film;

s2: tearing off the upper stripping layer (11) of the main material to enable the first film material to be only adhered with the adhesive layer (10) of the main material, and attaching the release film (4) to form a composite film material;

s3: punching the composite film material, wherein the punched composite film material comprises first positioning holes (51) positioned at two sides of the composite film material, gum-shaped forming holes (52) positioned in the middle of the composite film material, and second positioning holes (53) positioned at four corners of the gum-shaped forming holes (52);

the first positioning hole (51), the gum shape forming hole (52) and the second positioning hole (53) are punched through the first film material and the release film (4) without punching through the first transparent adhesive tape, and the gum shape forming hole (52) is punched through the first film material without punching through the first transparent adhesive tape and the release film (4) to form the viscose glue with the shape required by the annular gum (8);

s4: tearing off the first transparent adhesive tape, and taking away the punched first film material and the punched release film (4) at the first positioning hole (51), the back adhesive shape forming hole (52) and the second positioning hole (53) through the first transparent adhesive tape;

s5: the release film (4) is adhered and torn off through the second transparent adhesive tape, and the viscose except the annular back glue (8) is taken away through the release film (4);

s6: pasting a UV protective film (7);

the punching in the step S3 is performed by a punching die (9), the punching die (9) including:

the bottom plate, the bar cutter (95) of setting in the bottom plate both sides, be located first circular cutter (91) that the inboard first locating hole (51) of being used for of bar cutter, the shaping has first annular cutter (93) that are used for shaping gum shape shaping hole (52) in the middle of the bottom plate, first annular cutter (93) outer shaping has second annular cutter (94), second annular cutter (94) highly is less than first annular cutter (93), the difference in height of second annular cutter (94) and first annular cutter (93) is from type membrane (4) thickness, second annular cutter (94) four corners department is provided with second circular cutter (92), first annular cutter (93), first circular cutter (91) and second circular cutter (92) highly equals.

2. The method for producing a sounder diaphragm gum patch according to claim 1, wherein the shape of the ring gum (8) in the step of S3 is a rounded rectangle or an ellipse or a circle.

3. The method for manufacturing the adhesive patch for the sounder diaphragm according to claim 1, wherein in the step S1, the first film, the main material and the first scotch tape are attached by a rubber pressing roller.

4. The method for producing a sounder diaphragm backing adhesive patch according to claim 1, wherein the main material is a No.5605R double-sided adhesive tape or a No.5603R double-sided adhesive tape of the japanese electrical corporation.

5. The method for manufacturing a sounder diaphragm gum patch according to claim 1, wherein the first film material is a MB/MBEB type PET release film of star technologies ltd, suzhou.

6. The method for producing the adhesive patch of the sounder diaphragm according to claim 1, wherein the release film (4) is PE2510 from teo electronic materials ltd.