CN107347103A - A kind of 3D cell phone rear covers and its moulding process - Google Patents

A kind of 3D cell phone rear covers and its moulding process Download PDF

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Publication number
CN107347103A
CN107347103A CN201710721152.4A CN201710721152A CN107347103A CN 107347103 A CN107347103 A CN 107347103A CN 201710721152 A CN201710721152 A CN 201710721152A CN 107347103 A CN107347103 A CN 107347103A
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CN
China
Prior art keywords
glass
cover
mentioned
cell phone
covers
Prior art date
Application number
CN201710721152.4A
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Chinese (zh)
Inventor
周亮生
Original Assignee
福建省石狮市通达电器有限公司
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 福建省石狮市通达电器有限公司 filed Critical 福建省石狮市通达电器有限公司
Priority to CN201710721152.4A priority Critical patent/CN107347103A/en
Publication of CN107347103A publication Critical patent/CN107347103A/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components

Abstract

The present invention discloses a kind of 3D cell phone rear covers, one includes body, body includes glass back cover and PET film, glass back cover uses glass heat bender one hot bending, PET film punching molding, and PET film is in glass back cover, above-mentioned interior flat part coincides with flat part, lateral bending portion coincides with inner side turn of bilge, above-mentioned PET film by transparent optical glue-line it is vacuum abutted with above-mentioned glass back cover together with, and the one side that above-mentioned PET film and above-mentioned glass back cover fit is provided with ink design layer.A kind of 3D cell phone rear covers of the present invention, because glass back cover and PET film will not interfere to signal, make the signal of mobile phone stronger, and wireless charging can be realized, the application of suitable 5G networks, and glass have it is light, thin, resistance to scratch, thermal advantage, make cell phone rear cover that accordingly there is light, thin, the resistance to effect for scratching, radiating, do not easily cause cell-phone heating.Invention additionally discloses a kind of moulding process of 3D cell phone rear covers.

Description

A kind of 3D cell phone rear covers and its moulding process
Technical field
The present invention relates to Cellphone Accessories, more particularly to a kind of cell phone rear cover and its moulding process.
Background technology
The cell phone rear cover that tradition is sold is generally made of plastics, is reached by spraying various paint on plastic casing Multi-effect, but the wearability of plastics is poor, insufficient strength, making exterior surface after plastic handset, (cell phone rear cover is towards mobile phone The one side of mainboard is inner surface, and the one side backwards to cell phone mainboard is outer surface) it is easily damaged or scratches, in order to improve mobile phone The wearability and intensity of bonnet, are also had and are process using stainless steel, but the hand held middle mistake of such a stainless steel cell phone rear cover In heaviness, thus, now occur one kind on the market and use metallic mobile phone bonnet made of metal material, due to aluminium have it is light, resistance to The advantages of mill property height, soft handle, high intensity, then existing metallic mobile phone bonnet is commonly aluminum cell phone rear cover.However, the aluminum The metallic character of cell phone rear cover can cause interference to signal, battery can not be realized wireless charging, can not be applied to 5G networks, and It can be generated heat using rear cell phone rear cover for a long time.
In view of this, the present inventor furthers investigate to above mentioned problem, is produced then by this case.
The content of the invention
In view of this, it is an object of the invention to provide it is a kind of it is resistance to scratch, light, thin, radiating is good, will not generate heat, not Signal can be interfered, realize the wireless charging of battery of mobile phone, and the 3D cell phone rear covers of suitable 5G network applications.
It is an object of the invention to also provide one kind mold it is resistance to scratch, it is light, thin, radiating it is good, will not generate heat, can't Signal is interfered, realizes the wireless charging of battery of mobile phone, and the moulding process of the 3D cell phone rear covers of suitable 5G network applications.
In order to reach above-mentioned purpose, solution of the invention is:A kind of 3D cell phone rear covers, including body, body tool Have a backboard that the back side with mobile phone fits and the side frame to be fitted with the gusset of mobile phone, above-mentioned body include glass back cover and PET film, above-mentioned glass back cover has the flat part to be matched with backboard size and the lateral bending portion to be matched with side frame size, above-mentioned Lateral bending portion has what is matched with backboard size using glass heat bender and above-mentioned flat part one hot bending, above-mentioned PET film Interior flat part and the inner side turn of bilge to be matched with side frame size, above-mentioned inner side turn of bilge and interior flat part punching molding, above-mentioned PET film In above-mentioned glass back cover, above-mentioned interior flat part coincides with flat part, and lateral bending portion coincides with inner side turn of bilge, above-mentioned PET Film by transparent optical glue-line it is vacuum abutted with above-mentioned glass back cover together with, and above-mentioned PET film is affixed with above-mentioned glass back cover The one side of conjunction is provided with ink design layer.
Above-mentioned ink design layer has UV transfers texture layer, vacuum electric coating and the printing-ink from bottom to top set gradually Patterned layer, the thickness of above-mentioned ink design layer is 10-30um.
The thickness of above-mentioned glass back cover is 0.5-1.0mm.
The thickness of above-mentioned PET film is 25-75um.
The outer surface Vacuum Deposition of above-mentioned glass back cover is provided with an anti-fingerprint coating.
A kind of moulding process of 3D cell phone rear covers, is achieved by the steps of:
First, sawing sheet, using glass cutting machine, sawing sheet is carried out to glass, sawing sheet goes out size phase when being spread out with cell phone rear cover Identical sheet glass, the thickness of this glass is 0.5-1.0mm;
2nd, hot bending, hot bending is carried out to the sheet glass of step 1 using glass heat bender, will during hot bending The sheet glass of step 1 first heats and softens at 80 DEG C, 100 DEG C, 200 DEG C, 300 DEG C, 400 DEG C successively, enters afterwards at 500 DEG C The multiple hot pressing Light deformation downwards of row, finally carried out at 680 DEG C repeatedly downwards it is hot-forming go out its profile and cell phone rear cover it is outer The glass back cover semi-finished product that shape matches;
3rd, be surface-treated, the surface of the glass back cover semi-finished product of step 2 is polished successively, clean and tempering at Reason, primary antibody fingerprint film is electroplated to the surface vacuum of glass back cover after tempering processing, obtains glass finished-product;
4th, cut, cut out the size identical film slitting part of its size and step 1 sheet glass;
5th, pattern is handled, and pattern ink processing is carried out in the one side of the film slitting piece of step 4, forms pattern ink Layer, the ink of pattern ink layer have 2-6 layers, and the thickness of the pattern ink layer is 10-30um, obtains film handling member;
6th, punching, shaping, the film handling member of step 5 is corresponded into position punch at the hole position of cell phone rear cover, afterwards The film semi-finished product to be matched with cell phone rear cover shape are punched into by outline die technique;
7th, it is molded, the glass finished-product of the diaphragm finished product of step 6 and step 3 is placed in four application of a surface machines and led to It is vacuum abutted to cross transparent optical cement, obtains being combined into by glass and the complete phase re-posted of film, and glass finished-product is coated on diaphragm 3D cell phone rear covers outside finished product;
8th, the 3D cell phone rear covers of step 7 are subjected to de-bubble processing using defoaming machine, obtain 3D cell phone rear cover finished products.
In step 3, the pure water contact angle of above-mentioned anti-fingerprint film is less than 110 degree.
The pattern ink processing of above-mentioned steps five has UV transfer process, vacuum plating processing and pattern printing ink successively Layer.
After adopting the above technical scheme, a kind of 3D cell phone rear covers of the present invention, because glass back cover and PET film will not be right Signal interferes, and makes the signal of mobile phone stronger, and can realize wireless charging, the application of suitable 5G networks, and glass has matter Gently, it is thin, resistance to scratch, thermal advantage, make cell phone rear cover that accordingly there is light, thin, the resistance to effect for scratching, radiating, do not easily cause hand Machine generates heat.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
A kind of 3D cell phone rear covers of the present invention, as shown in figure 1, including body, there is the body back side with mobile phone to be affixed The backboard of conjunction and the side frame to be fitted with the gusset of mobile phone,
Body includes glass back cover 1 and PET film 2, glass back cover 1 have the flat part 11 that is matched with backboard size and with The lateral bending portion 12 that side frame size matches, lateral bending portion 12 is using glass heat bender and 11 integral hot bending of flat part, after glass Lid is using the glass of the series of Corning Incorporated 2320, and PET film 2 is with the interior flat part 21 and and side to be matched with backboard size The inner side turn of bilge 22 that frame size matches, inner side turn of bilge 22 use clicking technique one punching molding, glass with interior flat part 21 Bonnet 1 is made up of flat part 11 and lateral bending portion 12 chamber, and PET film 2 is in the chamber of glass back cover 1, and interior flat board Portion 21 coincides with flat part 11, and lateral bending portion 12 coincides with inner side turn of bilge 22, moreover, PET film 2 passes through transparent optical glue-line 3 Together with vacuum abutted with glass back cover 1, and PET film 2 is provided with ink design layer 4 with the one side that glass back cover 1 fits.
Preferably:The ink design layer 4 has UV transfers texture layer 41, the vacuum electric coating from bottom to top set gradually 42 and printing-ink patterned layer 43, i.e. UV transfer texture layer 41 are between PET film 2 and vacuum electric coating 42, vacuum electric coating 42 between UV transfer texture layers 41 and printing-ink patterned layer 43, and the printing-ink patterned layer 43 is in vacuum electric coating 42 Between transparent optical glue-line 3, UV transfer texture layers 41 refer to forming texture, printing-ink figure by the way of UV is transferred Pattern layer refers to forming pattern by the way of printing.The gross thickness of the ink design layer 4 is 10-30um, the thickness of glass back cover 1 Degree is 0.5-1.0mm, and the thickness of PET film 2 is 25-75um, and the transparent optical glue-line 3 can be coated directly on printing-ink pattern 43 On, glass back cover 1 can be also coated directly on towards in the one side of PET film 2.
A kind of 3D cell phone rear covers of the present invention, because glass back cover 1 and PET film 2 will not interfere signal, make to adopt Signal with the mobile phone of the cell phone rear cover of the present invention is stronger, and can realize wireless charging, the application of suitable 5G networks, and after glass Lid have it is light, thin, resistance to scratch, thermal advantage, make cell phone rear cover that accordingly there is light, thin, the resistance to effect for scratching, radiating, no Easily cause cell-phone heating, can wireless charging, it is anti-riot it is resistance to fall, high surface hardness, and feel ice is slided fine and smooth, gentle as beautiful, and presents 3D effect.
A kind of 3D cell phone rear covers of the present invention, the outer surface Vacuum Deposition of the glass back cover 1 are provided with an anti-fingerprint coating 5, profit With this anti-fingerprint coating 5, the surface of cell phone rear cover is set to remain brightness effect.
A kind of moulding process of 3D cell phone rear covers of the present invention, is achieved by the steps of:
First, sawing sheet, using glass cutting machine, sawing sheet is carried out to glass, sawing sheet goes out size phase when being spread out with cell phone rear cover Identical sheet glass, the thickness of this glass is 0.5-1.0mm, i.e. the size of glass is the size and mobile phone of the backboard of cell phone rear cover The summation of size after the expansion of bonnet gusset, the metering system for the size that this cell phone rear cover is spread out is to first pass through three-dimensional software to this Cell phone rear cover is modeled, and show that cell phone rear cover divides into the size of plane by the cell phone rear cover model of modeling afterwards;
2nd, hot bending, hot bending is carried out to the sheet glass of step 1 using glass heat bender, during hot bending, step Rapid one sheet glass first heats and softens at 80 DEG C, 100 DEG C, 200 DEG C, 300 DEG C, 400 DEG C successively, through heat and soften successively be Carried out on same pipeline under the heater box of different temperatures, carry out multiple hot pressing Light deformation at 500 DEG C afterwards, finally exist Multiple hot compression deformation is carried out at 680 DEG C into the concrete operations of the Light deformation at two temperature are sheet glass conveyings after softening During to 500 DEG C of heater box, the hot pressing die in heater box just carries out 3-4 time slow to sheet glass and pushed, make sheet glass by Light deformation is walked, is delivered to again in 680 DEG C of heater box afterwards, the hot pressing die in this heater box is carried out 2-6 times to sheet glass again Slowly push, the final profile of sheet glass is matched with the profile of cell phone rear cover, formed glass back cover semi-finished product, that is, utilize Glass heat bender goes out the side one hot bending of sheet glass in the lateral bending portion to be matched with the gusset of cell phone rear cover,
3rd, be surface-treated, the surface of the glass back cover semi-finished product of step 2 is polished successively, clean and tempering at Reason, primary antibody fingerprint film is electroplated to the surface vacuum of glass back cover after tempering processing, obtains glass finished-product;
4th, cut, cut out the size identical film slitting part of its size and step 1 sheet glass;
5th, pattern is handled, and pattern ink processing is carried out in the one side of the film slitting piece of step 4, forms pattern ink Layer, the ink of pattern ink layer have 2-6 layers, and the thickness of the pattern ink layer is 10-30um, obtains film handling member;
6th, punching, shaping, the film handling member of step 5 is corresponded into position punch at the hole position of cell phone rear cover, afterwards The film semi-finished product to be matched with cell phone rear cover shape are punched into by outline die technique;
7th, it is molded, the glass finished-product of the diaphragm finished product of step 6 and step 3 is placed in four application of a surface machines and led to It is vacuum abutted to cross transparent optical cement, obtains being combined into by glass and the complete phase re-posted of film, and glass finished-product is coated on diaphragm 3D cell phone rear covers outside finished product, the transparent optical cement can be coated on film semi-finished product or on glass finished-product;
8th, the 3D cell phone rear covers of step 7 are subjected to de-bubble processing using defoaming machine, obtain 3D cell phone rear cover finished products.
A kind of 3D cell phone rear covers moulding process of the present invention, passes through the hot bending and glass of glass and the vacuum abutted work of film Artistic skill molds the cell phone rear cover being made up of glass and PET film, and glass is as the outer surface of cell phone rear cover, because of glass and PET Film will not interfere to signal, make the signal of mobile phone stronger, and can realize wireless charging, the application of suitable 5G networks, and Glass have it is light, thin, resistance to scratch, thermal advantage, make cell phone rear cover that accordingly there is light, thin, the resistance to effect for scratching, radiating, Do not easily cause cell-phone heating, can wireless charging, it is anti-riot it is resistance to fall, high surface hardness, and feel ice is slided fine and smooth, gentle as beautiful, and is in Existing 3D effect.
The 3D cell phone rear cover moulding process of the present invention, the experiment through inventor for many years obtain, and glass back cover uses U.S.'s health The glass of the series of Ning companies 2320 can just make whole structure preferable.
The 3D cell phone rear cover moulding process of the present invention, in step 3, the pure water contact angle of anti-fingerprint film is less than 110 degree.
The present invention 3D cell phone rear cover moulding process, the step 5 pattern ink processing successively have UV transfer process, Vacuum plating processing and pattern printing ink layer, the pattern solid for making to perceive to come from glass back cover using this three layers of ink processing Sense is strong, and 3D effect is good, the problem of pattern will not being caused to wear.
Above-described embodiment and accompanying drawing and non-limiting product form of the invention and style, any art it is common The appropriate change or modification that technical staff is done to it, it all should be regarded as not departing from the patent category of the present invention.

Claims (8)

1. a kind of 3D cell phone rear covers, including body, the backboard that the body fits with the back side with mobile phone and the side with mobile phone Enclose the side frame to fit, it is characterised in that:Above-mentioned body includes glass back cover and PET film, and above-mentioned glass back cover has and backboard Flat part that size matches and the lateral bending portion to be matched with side frame size, above-mentioned lateral bending portion using glass heat bender with it is above-mentioned flat Plate portion one hot bending, above-mentioned PET film have the interior flat part that is matched with backboard size and matched with side frame size Inner side turn of bilge, above-mentioned inner side turn of bilge and interior flat part punching molding, above-mentioned PET film are in above-mentioned glass back cover, above-mentioned interior flat Plate portion coincides with flat part, and lateral bending portion coincides with inner side turn of bilge, and above-mentioned PET film passes through transparent optical glue-line and above-mentioned glass Bonnet is vacuum abutted together, and above-mentioned PET film is provided with ink design layer with the one side that above-mentioned glass back cover fits.
A kind of 2. 3D cell phone rear covers as claimed in claim 1, it is characterised in that:Above-mentioned ink design layer have from bottom to top according to UV transfers texture layer, vacuum electric coating and the printing-ink patterned layer of secondary setting, the thickness of above-mentioned ink design layer is 10- 30um。
A kind of 3. 3D cell phone rear covers as claimed in claim 1, it is characterised in that:The thickness of above-mentioned glass back cover is 0.5- 1.0mm。
A kind of 4. 3D cell phone rear covers as claimed in claim 1, it is characterised in that:The thickness of above-mentioned PET film is 25-75um.
A kind of 5. 3D cell phone rear covers as claimed in claim 1, it is characterised in that:The outer surface Vacuum Deposition of above-mentioned glass back cover is set There is an anti-fingerprint coating.
6. a kind of moulding process of 3D cell phone rear covers, it is characterised in that be achieved by the steps of:
First, sawing sheet, using glass cutting machine, sawing sheet is carried out to glass, the size that sawing sheet goes out when being spread out with cell phone rear cover matches Sheet glass, the thickness of this glass is 0.5-1.0mm;
2nd, hot bending, hot bending is carried out to the sheet glass of step 1 using glass heat bender, during hot bending, by step One sheet glass first heats and softens at 80 DEG C, 100 DEG C, 200 DEG C, 300 DEG C, 400 DEG C successively, is carried out afterwards at 500 DEG C more Secondary hot pressing Light deformation downwards, finally carried out at 680 DEG C repeatedly downwards it is hot-forming go out its profile and the profile phase of cell phone rear cover Identical glass back cover semi-finished product;
3rd, be surface-treated, the surface of the glass back cover semi-finished product of step 2 is polished successively, clean and tempering processing, steel Primary antibody fingerprint film is electroplated to the surface vacuum of glass back cover after change processing, obtains glass finished-product;
4th, cut, cut out the size identical film slitting part of its size and step 1 sheet glass;
5th, pattern is handled, and pattern ink processing is carried out in the one side of the film slitting piece of step 4, forms pattern ink layer, The ink of pattern ink layer has 2-6 layers, and the thickness of the pattern ink layer is 10-30um, obtains film handling member;
6th, punching, shaping, the film handling member of step 5 is corresponded into position punch at the hole position of cell phone rear cover, passed through afterwards Outline die technique is punched into the film semi-finished product to be matched with cell phone rear cover shape;
7th, it is molded, the glass finished-product of the diaphragm finished product of step 6 and step 3 is placed in four application of a surface machines by saturating Bright optical cement is vacuum abutted, obtains being combined into by glass and the complete phase re-posted of film, and glass finished-product is coated on diaphragm finished product Outer 3D cell phone rear covers;
8th, the 3D cell phone rear covers of step 7 are subjected to de-bubble processing using defoaming machine, obtain 3D cell phone rear cover finished products.
A kind of 7. moulding process of 3D cell phone rear covers according to claim 6, it is characterised in that:It is above-mentioned in step 3 The pure water contact angle of anti-fingerprint film is less than 110 degree.
A kind of 8. moulding process of 3D cell phone rear covers according to claim 6, it is characterised in that:The pattern of above-mentioned steps five Ink processing has UV transfer process, vacuum plating processing and pattern printing ink layer successively.
CN201710721152.4A 2017-08-21 2017-08-21 A kind of 3D cell phone rear covers and its moulding process CN107347103A (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108248270A (en) * 2018-01-05 2018-07-06 福建省石狮市通达电器有限公司 A kind of preparation method of imitative ceramic mobile phone rear cover
CN108471460A (en) * 2018-03-28 2018-08-31 努比亚技术有限公司 Mobile terminal
CN108574748A (en) * 2018-03-19 2018-09-25 维沃移动通信有限公司 Diaphragm preparation method, diaphragm and shell
CN108769302A (en) * 2018-05-11 2018-11-06 Oppo广东移动通信有限公司 Shell, electronic device and method for producing shell
CN108848211A (en) * 2018-05-25 2018-11-20 Oppo广东移动通信有限公司 The manufacturing method of shell, electronic device and shell
CN108900658A (en) * 2018-05-25 2018-11-27 Oppo广东移动通信有限公司 The manufacturing method of shell, electronic device and shell
CN108943670A (en) * 2018-06-28 2018-12-07 信利光电股份有限公司 A kind of 3D cover board and its processing method
CN109079429A (en) * 2018-06-27 2018-12-25 安徽金龙浩光电科技有限公司 A kind of 3.5D hand-set lid production technology
WO2019129095A1 (en) * 2017-12-27 2019-07-04 华为技术有限公司 Rear cover, housing, and electronic device
CN110614862A (en) * 2019-09-19 2019-12-27 深圳市裕同包装科技股份有限公司 Method for applying special ink to battery rear cover
CN110673239A (en) * 2019-10-22 2020-01-10 华南理工大学 Naked eye 3D mobile phone backboard film, preparation method thereof and mobile phone
CN111212163A (en) * 2020-02-14 2020-05-29 Tcl移动通信科技(宁波)有限公司 Preparation method of mobile phone rear shell and mobile phone rear shell
CN111510521A (en) * 2019-01-31 2020-08-07 北京小米移动软件有限公司 Terminal rear shell and processing method thereof

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019129095A1 (en) * 2017-12-27 2019-07-04 华为技术有限公司 Rear cover, housing, and electronic device
CN108248270A (en) * 2018-01-05 2018-07-06 福建省石狮市通达电器有限公司 A kind of preparation method of imitative ceramic mobile phone rear cover
CN108574748A (en) * 2018-03-19 2018-09-25 维沃移动通信有限公司 Diaphragm preparation method, diaphragm and shell
CN108471460A (en) * 2018-03-28 2018-08-31 努比亚技术有限公司 Mobile terminal
CN108769302A (en) * 2018-05-11 2018-11-06 Oppo广东移动通信有限公司 Shell, electronic device and method for producing shell
CN108848211A (en) * 2018-05-25 2018-11-20 Oppo广东移动通信有限公司 The manufacturing method of shell, electronic device and shell
CN108900658A (en) * 2018-05-25 2018-11-27 Oppo广东移动通信有限公司 The manufacturing method of shell, electronic device and shell
CN108848211B (en) * 2018-05-25 2021-03-30 Oppo广东移动通信有限公司 Housing, electronic device, and method for manufacturing housing
CN109079429A (en) * 2018-06-27 2018-12-25 安徽金龙浩光电科技有限公司 A kind of 3.5D hand-set lid production technology
CN108943670A (en) * 2018-06-28 2018-12-07 信利光电股份有限公司 A kind of 3D cover board and its processing method
CN111510521A (en) * 2019-01-31 2020-08-07 北京小米移动软件有限公司 Terminal rear shell and processing method thereof
CN110614862A (en) * 2019-09-19 2019-12-27 深圳市裕同包装科技股份有限公司 Method for applying special ink to battery rear cover
CN110673239A (en) * 2019-10-22 2020-01-10 华南理工大学 Naked eye 3D mobile phone backboard film, preparation method thereof and mobile phone
CN111212163A (en) * 2020-02-14 2020-05-29 Tcl移动通信科技(宁波)有限公司 Preparation method of mobile phone rear shell and mobile phone rear shell

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