CN114168006A - Binding process of FPC (flexible printed circuit) of mobile phone touch screen - Google Patents
Binding process of FPC (flexible printed circuit) of mobile phone touch screen Download PDFInfo
- Publication number
- CN114168006A CN114168006A CN202111292969.7A CN202111292969A CN114168006A CN 114168006 A CN114168006 A CN 114168006A CN 202111292969 A CN202111292969 A CN 202111292969A CN 114168006 A CN114168006 A CN 114168006A
- Authority
- CN
- China
- Prior art keywords
- fpc
- touch screen
- mobile phone
- binding
- phone touch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
The invention relates to the technical field of mobile phone touch screen production, and discloses a binding process of a mobile phone touch screen FPC. The invention replaces the traditional external binding mode, the FPC and the mobile phone touch screen are placed on the conveying line and conveyed into the dust-free binding equipment, and then the pre-wiping station, the drying station, the gluing station and the binding station in the dust-free binding equipment are sequentially cleaned, heated, dried, glued at a fixed point and bound, so that the invention has a clean and dust-free binding function, can prevent the interference influence of external dust factors, and can improve the conductivity of the FPC and the mobile phone touch screen.
Description
Technical Field
The invention relates to the technical field of mobile phone touch screen production, in particular to a binding process of a mobile phone touch screen FPC.
Background
The collecting touch screen is also called a touch panel, and is an induction type liquid crystal display device capable of receiving input signals of a contact and the like, when a graphic button on a screen is contacted, a touch feedback system on the screen can drive various connecting devices according to a pre-programmed program, can be used for replacing a mechanical button panel, and can produce vivid video and audio effects by virtue of a liquid crystal display picture, and the transmission of functions is mainly realized by binding with a Flexible Printed Circuit (FPC).
Through retrieval, the Chinese patent network discloses a touch screen FPC binding process (public notice number CN104238810A), which comprises the following steps: firstly, placing N FPCs in positioning holes of a first clamping piece; then placing N touch screens in a positioning groove of a second card piece, wherein N is a positive integer greater than or equal to 1; then, the first clamping piece is butted with the second clamping piece, so that the FPC is inserted into an electrode preformed hole of the touch screen; then the touch screen after the butt joint is finished is taken down from the second clamping piece, and the checking and the butt joint accuracy adjustment are carried out; then, placing the checked touch screen on a clamp of a bonding machine, and paving an adhesive tape above the prepressing position; and finally, a binding machine is used for binding and prepressing, so that the binding process of the touch screen FPC is reasonable in design, the production efficiency is high, the product is not easy to damage, the rejection rate is low, and the technical effect of the quality of the touch screen is ensured. Therefore, the technical personnel in the field provide a binding process of a mobile phone touch screen FPC to solve the problems proposed in the background art.
Disclosure of Invention
The invention aims to provide a binding process of a mobile phone touch screen FPC (flexible printed circuit) to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a binding process of a mobile phone touch screen FPC comprises the following steps:
respectively placing a mobile phone touch screen and an FPC (flexible printed circuit) into two groups of pre-prepared moulds, wherein one group is used for placing the mobile phone touch screen, and the other group is used for placing the FPC;
placing two groups of moulds for placing the mobile phone touch screen and the FPC on a conveying line, and conveying the moulds into dust-free binding equipment through the conveying line;
a pre-wiping station, a drying station, a gluing station and a binding station for the mobile phone touch screen and the FPC are sequentially arranged in the binding equipment;
each station sequentially performs wiping, drying, gluing and involutory binding work on a mobile phone touch screen and a PIN to be bound of an FPC;
the bound mobile phone touch screen and FPC combination is sent out of the binding equipment through a conveying line;
and (4) performing quality inspection on the binding condition of the mobile phone touch screen and the FPC by a worker, and warehousing after the quality inspection is qualified.
As a still further scheme of the invention: the number of the mould positions of the two groups of moulds is the same, the number of the mould positions is N groups, N is larger than or equal to 1, and the mobile phone touch screen and the orientation of the PIN PINs to be bound of the FPC are arranged upwards relative to the mould positions.
As a still further scheme of the invention: the dust-free standard of the air in the dust-free binding equipment is Class1000(0.2 μm, 0.5 μm), and the air state of the dust-free binding equipment is Class1000(0.5 μm < 100) and As-build.
As a still further scheme of the invention: the pre-wiping station is in a mechanical arm wiping mode, the wiping head on the mechanical arm is industrial wiping paper, industrial alcohol is soaked in the industrial wiping paper, and the concentration of the industrial alcohol is 99%.
As a still further scheme of the invention: the drying station is in an electric heating pipe drying mode, and the drying temperature is maintained within 50-60 ℃.
As a still further scheme of the invention: the gluing station is in a manipulator glue dispensing mode, the glue is conductive glue, and the glue is coated on the PIN PINs to be bound of the mobile phone touch screen and the FPC, and the coating thickness is 0.1-02 mm.
As a still further scheme of the invention: the binding station is a manipulator clamping binding form or an aseptic glove manual binding form, the manipulator clamping binding form is a manipulator clamping and overturning FPC, PIN PINs on the FPC are staggered and pressed on the PIN PINs of the mobile phone touch screen, the aseptic glove manual binding form is that both hands are inserted into an aseptic glove, the FPC is taken out from a mold position, and then the PIN PINs on the FPC are staggered and pressed on the PIN PINs of the mobile phone touch screen.
As a still further scheme of the invention: the binding quality inspection process of the FPC of the mobile phone touch screen comprises the following steps:
a. detecting whether positive and negative poles of a PIN PIN of the FPC and a mobile phone touch screen are reversely connected;
b. detecting whether the FPC is aligned with a PIN PIN of a mobile phone touch screen in a staggered and pressed mode or not;
c. detecting whether glue overflows from PIN PIN ends of the FPC and the mobile phone touch screen;
d. the three materials can be put in storage after no quality inspection problem exists.
Compared with the prior art, the invention has the beneficial effects that:
the invention replaces the traditional external binding mode, the FPC and the mobile phone touch screen are placed on the conveying line and conveyed into the dust-free binding equipment, and then the pre-wiping station, the drying station, the gluing station and the binding station in the dust-free binding equipment are sequentially cleaned, heated, dried, glued at a fixed point and bound, so that the invention has a clean and dust-free binding function, can prevent the interference influence of external dust factors, and can improve the conductivity of the FPC and the mobile phone touch screen.
Drawings
Fig. 1 is a schematic structural diagram of a binding process of a mobile phone touch screen FPC.
Detailed Description
Examples
Referring to fig. 1, in an embodiment of the present invention, a process for bonding a touch screen FPC of a mobile phone includes the following steps:
respectively placing a mobile phone touch screen and an FPC (flexible printed circuit) into two groups of pre-prepared moulds, wherein one group is used for placing the mobile phone touch screen, and the other group is used for placing the FPC;
placing two groups of moulds for placing the mobile phone touch screen and the FPC on a conveying line, and conveying the moulds into dust-free binding equipment through the conveying line;
a pre-wiping station, a drying station, a gluing station and a binding station for the mobile phone touch screen and the FPC are sequentially arranged in the binding equipment;
each station sequentially performs wiping, drying, gluing and involutory binding work on a mobile phone touch screen and a PIN to be bound of an FPC;
the bound mobile phone touch screen and FPC combination is sent out of the binding equipment through a conveying line;
and (4) performing quality inspection on the binding condition of the mobile phone touch screen and the FPC by a worker, and warehousing after the quality inspection is qualified.
The number of the mould positions of the two groups of moulds is the same, the number of the mould positions is N groups, N is larger than or equal to 1, and the mobile phone touch screen and the orientation of the PIN PINs to be bound of the FPC are arranged upwards relative to the mould positions.
The dust-free standard for the air in the dust-free binding equipment is Class1000(0.2 μm, 0.5 μm), and its air state is Class1000(0.5 μm < 100), As-build.
The pre-wiping station is in a mechanical arm wiping mode, the wiping head on the mechanical arm is industrial wiping paper, industrial alcohol is soaked in the industrial wiping paper, and the concentration of the industrial alcohol is 99%.
The drying station is in an electric heating pipe drying mode, and the drying temperature is maintained within 50-60 ℃.
The gluing station is in a manipulator glue dispensing mode, the glue is conductive glue, and the glue is coated on the PIN PINs to be bound of the mobile phone touch screen and the FPC, and the coating thickness is 0.1-02 mm.
The binding station is a manipulator clamping binding form or a sterile glove manual binding form, the manipulator clamping binding form is a manipulator clamping and overturning FPC, PIN PINs on the FPC are staggered and pressed on the PIN PINs of the mobile phone touch screen, the sterile glove manual binding form is that both hands are inserted into a sterile glove, the FPC is taken out from a mold position, and then the PIN PINs on the FPC are staggered and pressed on the PIN PINs of the mobile phone touch screen.
The binding quality inspection process of the FPC of the mobile phone touch screen comprises the following steps:
a. detecting whether positive and negative poles of a PIN PIN of the FPC and a mobile phone touch screen are reversely connected;
b. detecting whether the FPC is aligned with a PIN PIN of a mobile phone touch screen in a staggered and pressed mode or not;
c. detecting whether glue overflows from PIN PIN ends of the FPC and the mobile phone touch screen;
d. the three materials can be put in storage after no quality inspection problem exists.
Through the process implemented by the embodiment, the test parameters of the binding PIN PIN end of the FPC and the mobile phone touch screen are as follows:
tensile strength: not less than 700N/m;
on-resistance value: less than or equal to 1 omega;
and (3) high temperature resistance test: the temperature is 88 +/-5 ℃, the standing time is 48h relative to the humidity of 88 +/-5%, and the test result shows that the glue layer is not separated, has no color change and is normally electrically conducted;
and (3) low temperature resistance test: the temperature is minus 20 plus or minus 3 ℃, the standing time is 24 hours, and the test result shows that the glue layer has no separation, no color change and normal function.
Comparative example
The method is a touch screen FPC binding process mentioned in the background art;
according to the process implemented by the comparative example, the test parameters of the binding PIN PIN end of the FPC and the mobile phone touch screen are as follows:
tensile strength: more than or equal to 400N/m;
on-resistance value: less than or equal to 3 omega;
and (3) high temperature resistance test: the temperature is 88 +/-5 ℃, the standing time is 48h relative to the humidity of 88 +/-5%, and the test result shows that the glue layer is separated, bubbles exist in the glue layer and the electric conduction is not smooth;
and (3) low temperature resistance test: the temperature is minus 20 +/-3 ℃, the standing time is 24 hours, and the test results show that the glue layer shrinks, the PIN PIN end falls off and the conventional function cannot be performed.
Compared with the same test of the comparative example, the bonding process performance of the embodiment is excellent, and the bonding stability, the conduction performance, the high temperature resistance and the low temperature resistance of the PIN bonding end of the FPC and the mobile phone touch screen can be improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (8)
1. A binding process of a mobile phone touch screen FPC is characterized by comprising the following steps:
respectively placing a mobile phone touch screen and an FPC (flexible printed circuit) into two groups of pre-prepared moulds, wherein one group is used for placing the mobile phone touch screen, and the other group is used for placing the FPC;
placing two groups of moulds for placing the mobile phone touch screen and the FPC on a conveying line, and conveying the moulds into dust-free binding equipment through the conveying line;
a pre-wiping station, a drying station, a gluing station and a binding station for the mobile phone touch screen and the FPC are sequentially arranged in the binding equipment;
each station sequentially performs wiping, drying, gluing and involutory binding work on a mobile phone touch screen and a PIN to be bound of an FPC;
the bound mobile phone touch screen and FPC combination is sent out of the binding equipment through a conveying line;
and (4) performing quality inspection on the binding condition of the mobile phone touch screen and the FPC by a worker, and warehousing after the quality inspection is qualified.
2. The bonding process of the FPC of the mobile phone touch screen according to claim 1, wherein the number of the die positions of the two sets of dies is the same, the number of the die positions is N sets, N is larger than or equal to 1, and the mobile phone touch screen and the PIN PINs to be bonded of the FPC are arranged upwards relative to the die positions.
3. The binding process of the FPC of the mobile phone touch screen according to claim 1, wherein the dust-free standard of air in the dust-free binding equipment is Class1000(0.2 μm, 0.5 μm), and the air state of the dust-free binding equipment is Class1000(0.5 μm < 100), As-build.
4. The binding process of the FPC of the mobile phone touch screen according to claim 1, wherein the pre-wiping station is in a form of wiping by a manipulator, a wiping head on the manipulator is industrial wiping paper, the industrial wiping paper is soaked with industrial alcohol, and the concentration of the industrial alcohol is 99%.
5. The binding process of the FPC of the mobile phone touch screen according to claim 1, wherein the drying station is in an electric heating tube drying mode, and the drying temperature is maintained within 50-60 ℃.
6. The bonding process of the touch screen FPC of the mobile phone according to claim 1, wherein the gluing station is in a mechanical arm glue dispensing mode, the glue is conductive glue, and the glue is coated on the PIN PINs to be bonded of the touch screen and the FPC of the mobile phone and is coated to the thickness of 0.1-02 mm.
7. The binding process of the FPC of the mobile phone touch screen according to claim 1, wherein the binding station is in a form of clamping and binding by a mechanical arm clamp or in a form of manually binding by an aseptic glove, the clamping and binding by the mechanical arm clamp and turning over the FPC are used for staggering and pressing the PIN PINs on the FPC onto the PIN PINs of the mobile phone touch screen, and the manually binding by the aseptic glove is in a form of inserting both hands into the aseptic glove, taking the FPC out of a mold position, and staggering and pressing the PIN PINs on the FPC onto the PIN PINs of the mobile phone touch screen.
8. The binding process of the FPC of the mobile phone touch screen according to claim 1, wherein the binding quality inspection process of the FPC of the mobile phone touch screen comprises the following steps:
a. detecting whether positive and negative poles of a PIN PIN of the FPC and a mobile phone touch screen are reversely connected;
b. detecting whether the FPC is aligned with a PIN PIN of a mobile phone touch screen in a staggered and pressed mode or not;
c. detecting whether glue overflows from PIN PIN ends of the FPC and the mobile phone touch screen;
d. the three materials can be put in storage after no quality inspection problem exists.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111292969.7A CN114168006A (en) | 2021-11-03 | 2021-11-03 | Binding process of FPC (flexible printed circuit) of mobile phone touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111292969.7A CN114168006A (en) | 2021-11-03 | 2021-11-03 | Binding process of FPC (flexible printed circuit) of mobile phone touch screen |
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| Publication Number | Publication Date |
|---|---|
| CN114168006A true CN114168006A (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111292969.7A Pending CN114168006A (en) | 2021-11-03 | 2021-11-03 | Binding process of FPC (flexible printed circuit) of mobile phone touch screen |
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2021
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