CN111674073A - Mobile phone shell machining method - Google Patents
Mobile phone shell machining method Download PDFInfo
- Publication number
- CN111674073A CN111674073A CN202010508322.2A CN202010508322A CN111674073A CN 111674073 A CN111674073 A CN 111674073A CN 202010508322 A CN202010508322 A CN 202010508322A CN 111674073 A CN111674073 A CN 111674073A
- Authority
- CN
- China
- Prior art keywords
- mobile phone
- phone shell
- frame
- back plate
- hole
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/006—Producing casings, e.g. accumulator cases
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
- H04M1/185—Improving the rigidity of the casing or resistance to shocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2505/00—Use of metals, their alloys or their compounds, as filler
- B29K2505/02—Aluminium
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a processing method of a mobile phone shell, which specifically comprises the following steps: s1, processing a frame of the mobile phone shell; s2, preparing an alumina heat-conducting silica gel raw material; s3, preparing an alumina heat-conducting silica gel base material; s4, processing a backboard of the mobile phone shell; s5, assembling; s6, spraying and coloring; the mobile phone shell processed by the method comprises a frame and a back plate, wherein a groove is formed in the edge of the back plate, and a raised line matched with the groove is arranged on the inner wall of the frame and in a position bonded with the back plate. According to the processing method of the mobile phone shell, the back plate is made of the alumina heat-conducting silica gel, the heat conducting effect of the mobile phone shell can be effectively improved, so that heat generated by the mobile phone can be transmitted to the air through the back plate in time, the dissipation of the heat is accelerated, the phenomenon that the temperature is too high when the mobile phone is worn on the mobile phone shell is prevented, bubbles can be prevented from being formed in a finished product of the processed mobile phone shell, the abrasion resistance of the mobile phone shell is better, and the quality of a finished product is improved.
Description
Technical Field
The invention relates to the technical field of mobile phone shell processing, in particular to a mobile phone shell processing method.
Background
With the rapid development of the scientific and technological level, the scientific and technological beauty industry is newly developed as a novel industry, the fashion IT brand is diversified along with the diversified development of the market aiming at the increase of the brand and the function of the mobile phone, the mobile phone protective shell is divided into a PC shell, leather, silica gel, cloth, hard plastic, a leather sheath, a metal toughened glass shell, soft plastic, velvet, silk and other types according to the texture, and the mobile phone protective shell can play a role in protecting the mobile phone so as to prevent a hard object from leaving scratches on the screen or the body of the mobile phone; various patterns can be arranged on the mobile phone shell in a DIY mode, and the mobile phone shell has the functions of beautifying and fashioning; the silica gel shell can prevent the fingernails from scratching and wearing off due to long-time contact with the keys, and has the function of protecting the screen and the keys; the silica gel shell also has the antiskid function.
Patent publication No. CN109278246B provides a cell-phone shell and processing method thereof, this scheme processing technology is simple, with low costs and environmental protection pollution-free, in addition because the flexible glue shell that utilizes TPU to make has better feeling, therefore need not to spout the oil coating at the surface of cell-phone shell, set up liquid runner and choker block at the back of plastics slab shell, can slow down the velocity of flow of plastics slab shell both sides, make the bottom surface shaping speed of flexible glue shell be faster than the shaping speed of side, effectively prevent to break because of the flexible glue shell that the colloid blockked up leads to, the shaping quality of flexible glue shell has been improved, combine prior art, present cell-phone shell processing method still has following defect:
the mobile phone shell that the processing was come out heat dispersion is relatively poor, and when the mobile phone functioning speed was very fast, produced the heat when more, can't in time derive the heat, leads to the cell-phone heat too high, damages easily, and the user often need take off the mobile phone shell to accelerate the radiating rate of cell-phone, it is inconvenient to use, has reduced the practicality, is unfavorable for the popularization.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a processing method of a mobile phone shell, which solves the problems that the mobile phone is easy to damage and the practicability is low due to poor heat dissipation performance.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a processing method of a mobile phone shell specifically comprises the following steps:
s1, processing a frame of the mobile phone shell: adding the TPU material into an injection molding machine, and manufacturing a frame of the mobile phone shell through injection molding;
s2, preparing an alumina heat-conducting silica gel raw material: sintering the alumina particles at a high temperature to prepare sintered spherical alumina particles, and grinding the methyl vinyl silicone rubber and the dimethyl silicone oil by using a roll-in grinder to prepare uniformly mixed silicone rubber colloid;
s3, preparation of an alumina heat-conducting silica gel base material: placing the silicon rubber colloid prepared in the step S2 and the sintered alumina particles in a stirrer, adding hydrogen-containing silicone oil and a catalyst while stirring, stirring at a high speed of 2000-3000r/min to uniformly mix the materials to obtain an alumina heat-conducting silica gel base material, and then placing the uniformly stirred base material in a vacuum machine for vacuumizing to eliminate bubbles in the base material;
s4, processing of a backboard of the mobile phone shell: cold press molding the defoamed base material prepared in the step S3, vulcanizing by hot air, and cooling to prepare a heat-conducting silica gel back plate;
s5, assembling: bonding glue on the edge graph of the backboard of the mobile phone shell, pressing the backboard of the mobile phone shell into the frame by using assembly equipment, and staying for a period of time to cure the bonding agent, so that the assembly of the frame and the backboard is completed, and the mobile phone shell is manufactured;
s6, spraying and coloring: and spraying a layer of primer on the assembled mobile phone shell by using spraying equipment, spraying patterns on one surface of the back plate positioned outside the frame according to requirements, and spraying a layer of ultraviolet-cured UV coating on the whole surface of the mobile phone shell.
Preferably, the sintering temperature in the step S2 is 1300-1400 ℃, and the vacuumizing time in the step S3 is 18-25 min.
Preferably, the hot air vulcanization temperature in the step S4 is 130-170 ℃, and the vulcanization time is 15-20 min.
Preferably, the alumina particles used in step S2 have a particle size of 4 to 6 μm.
Preferably, the catalyst in the step S3 is a platinum catalyst, and the primer sprayed in the step S6 is a polyurethane or acrylic paint.
The invention also discloses a mobile phone shell processed by the processing method, which comprises a frame and a back plate, wherein the edge of the back plate is provided with a groove, the inner wall of the frame and the position bonded with the back plate are provided with convex strips matched with the groove, the back plate is provided with a camera shooting hole, and the periphery of the frame is provided with a volume adjusting hole, a switch key hole, a charging hole and a call hole.
Preferably, the positions, shapes and sizes of the camera shooting hole, the volume adjusting hole, the switch key hole, the charging hole and the call hole are determined according to the model of the mobile phone.
(III) advantageous effects
The invention provides a processing method of a mobile phone shell. Compared with the prior art, the method has the following beneficial effects:
(1) the processing method of the mobile phone shell specifically comprises the following steps: s1, processing a frame of the mobile phone shell: adding the TPU material into an injection molding machine, and manufacturing a frame of the mobile phone shell through injection molding; s2, preparing an alumina heat-conducting silica gel raw material: sintering the alumina particles at a high temperature to prepare sintered spherical alumina particles, and grinding the methyl vinyl silicone rubber and the dimethyl silicone oil by using a roll-in grinder to prepare uniformly mixed silicone rubber colloid; s3, preparation of an alumina heat-conducting silica gel base material: placing the silicon rubber colloid prepared in the step S2 and the sintered alumina particles in a stirrer, adding hydrogen-containing silicone oil and a catalyst while stirring, stirring at a high speed of 2000-3000r/min to uniformly mix the materials to obtain an alumina heat-conducting silica gel base material, and then placing the uniformly stirred base material in a vacuum machine for vacuumizing to eliminate bubbles in the base material; s4, processing of a backboard of the mobile phone shell: cold press molding the defoamed base material prepared in the step S3, vulcanizing by hot air, and cooling to prepare a heat-conducting silica gel back plate; s5, assembling: bonding glue on the edge graph of the backboard of the mobile phone shell, pressing the backboard of the mobile phone shell into the frame by using assembly equipment, and staying for a period of time to cure the bonding agent, so that the assembly of the frame and the backboard is completed, and the mobile phone shell is manufactured; s6, spraying and coloring: spraying a layer of primer on the assembled mobile phone shell by using spraying equipment, then spraying patterns on one surface of the back plate positioned outside the frame according to requirements, and finally spraying a layer of ultraviolet-cured UV coating on the surface of the whole mobile phone shell; cell-phone shell backplate adopts aluminium oxide heat conduction silica gel to make, can effectively improve the heat conduction effect of cell-phone shell, thereby the heat that makes the cell-phone produce can in time transmit the air through the backplate, accelerate thermal giving off, the phenomenon that the temperature is too high when preventing the cell-phone from wearing the cell-phone shell, it is not fragile to make the cell-phone, the practicality has been improved, more be favorable to promoting, and carry out the defoaming in the backplate course of working, there is the bubble in the cell-phone shell finished product that can prevent to process out, make cell-phone shell wearability better, thereby the finished product quality is improved, after the processing of cell-phone shell is accomplished, can be according to the different patterns in the customer requirement.
(2) This cell-phone shell processing method, edge through the backplate is seted up flutedly, the inner wall of frame and the position that bonds with the backplate be provided with the sand grip of recess looks adaptation, seted up the hole of making a video recording on the backplate, the frame seted up volume control hole, switch key hole all around, charge hole and conversation hole, the backplate passes through the form combination of recess and sand grip with the junction of frame, can effectively improve the fastness of connecting between the two, prevent that the backplate from droing to the life of cell-phone shell has been improved.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a perspective view of a processed handset housing in accordance with the present invention;
figure 3 is a cross-sectional view of a processed handset housing in accordance with the present invention.
In the figure, 1 frame, 2 back plate, 3 grooves and 4 convex strips.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a technical solution: a processing method of a mobile phone shell is characterized in that a frame 1 of the mobile phone shell is made of TPU, a backboard 2 of the mobile phone shell is made of alumina heat-conducting silica gel, and the processing method specifically comprises the following steps:
s1, preparing a frame 1: adding a TPU material into an injection molding machine, and manufacturing a mobile phone shell frame 1 through injection molding;
s2, preparing an alumina heat-conducting silica gel raw material: sintering the alumina particles at high temperature to prepare sintered spherical alumina particles, grinding methyl vinyl silicone rubber and dimethyl silicone oil by using a rolling grinder to prepare uniformly mixed silicone rubber colloid, wherein the methyl vinyl silicone rubber is vinyl silicone rubber for short and is formed by copolymerizing dimethyl silicone and a small amount of vinyl siloxane, and the dimethyl silicone oil has excellent hydrophobic moisture resistance, good light transmittance and chemical stability and is widely used for insulating, heat-resisting and moisture-proof fillers, efficient defoaming agents, release agents, lubricating agents and surface treating agents;
s3, preparation of an alumina heat-conducting silica gel base material: placing the silicon rubber colloid prepared in the step S2 and the sintered alumina particles in a stirrer, adding hydrogen-containing silicone oil and a catalyst while stirring, stirring at a high speed of 2000-3000r/min to uniformly mix the materials to obtain an alumina heat-conducting silica gel base material, and then placing the uniformly stirred base material in a vacuum machine for vacuumizing to eliminate bubbles in the base material;
s4, preparing a backboard 2 of the mobile phone shell: cold press molding the defoamed base material prepared in the step S3, vulcanizing by hot air, and cooling to prepare a heat-conducting silica gel back plate 2;
s5, assembling: bonding glue on the edge graph of the mobile phone shell back plate 2, pressing the mobile phone shell back plate 2 into the frame 1 by using assembly equipment, and standing for a period of time to cure the bonding agent, so that the assembly of the frame 1 and the back plate 2 is completed, and the mobile phone shell is manufactured;
s6, spraying and coloring: the assembled mobile phone shell is firstly sprayed with a layer of primer by using spraying equipment, then a pattern is sprayed on the surface of the back plate 2 positioned outside the frame 1 according to requirements, finally a layer of UV-cured coating is sprayed on the whole surface of the mobile phone shell, and the wear resistance of the coating can be improved by spraying a layer of UV-cured coating on the surface of the colored mobile phone shell.
In the present invention, the sintering temperature in step S2 is 1300-1400 ℃, and the vacuum-pumping time in step S3 is 18-25 min.
In the invention, the hot air vulcanization temperature in the step S4 is 130-170 ℃, and the vulcanization time is 15-20 min.
In the present invention, the alumina particles used in step S2 have a particle size of 4 to 6 μm.
In the present invention, the catalyst in step S3 is a platinum catalyst, the platinum catalyst is a generic name of a catalyst prepared by using metal platinum as a main active component, and a platinum metal mesh, platinum black, or platinum supported on a carrier such as alumina, and may also contain a promoter component such as metal rhenium, and the primer sprayed in step S6 is a polyurethane or acrylic resin coating.
Referring to fig. 2 and 3, the invention further discloses a mobile phone shell processed by the processing method, which comprises a frame 1 and a back plate 2, wherein one surface of the back plate 2 positioned inside the frame 1 is in contact with the back of the mobile phone, so that heat generated by the operation of the mobile phone can be conducted out of the mobile phone shell, and the closer the back plate is in contact with the mobile phone shell when in use, the better the heat-conducting property is, the groove 3 is arranged at the edge of the backboard 2, the raised strip 4 matched with the groove 3 is arranged at the position of the inner wall of the frame 1 and bonded with the backboard 2, the connection part of the backboard 2 and the frame 1 is combined in the form of the groove 3 and the raised strip 4, the firmness of connection between the backboard 2 and the frame can be effectively improved, the backboard 2 is prevented from falling off, thereby improved the life of cell-phone shell, seted up the hole of making a video recording on backplate 2, seted up volume control hole, switch key hole, the hole of charging and conversation hole around frame 1.
In the invention, the positions, shapes and sizes of the camera hole, the volume adjusting hole, the switch key hole, the charging hole and the call hole are determined according to the model of the mobile phone.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A processing method of a mobile phone shell is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, processing a frame of the mobile phone shell: adding the TPU material into an injection molding machine, and manufacturing a frame of the mobile phone shell through injection molding;
s2, preparing an alumina heat-conducting silica gel raw material: sintering the alumina particles at a high temperature to prepare sintered spherical alumina particles, and grinding the methyl vinyl silicone rubber and the dimethyl silicone oil by using a roll-in grinder to prepare uniformly mixed silicone rubber colloid;
s3, preparation of an alumina heat-conducting silica gel base material: placing the silicon rubber colloid prepared in the step S2 and the sintered alumina particles in a stirrer, adding hydrogen-containing silicone oil and a catalyst while stirring, stirring at a high speed of 2000-3000r/min to uniformly mix the materials to obtain an alumina heat-conducting silica gel base material, and then placing the uniformly stirred base material in a vacuum machine for vacuumizing to eliminate bubbles in the base material;
s4, processing of a backboard of the mobile phone shell: cold press molding the defoamed base material prepared in the step S3, vulcanizing by hot air, and cooling to prepare a heat-conducting silica gel back plate;
s5, assembling: bonding glue on the edge graph of the backboard of the mobile phone shell, pressing the backboard of the mobile phone shell into the frame by using assembly equipment, and staying for a period of time to cure the bonding agent, so that the assembly of the frame and the backboard is completed, and the mobile phone shell is manufactured;
s6, spraying and coloring: and spraying a layer of primer on the assembled mobile phone shell by using spraying equipment, spraying patterns on one surface of the back plate positioned outside the frame according to requirements, and spraying a layer of ultraviolet-cured UV coating on the whole surface of the mobile phone shell.
2. A method of manufacturing a handset casing according to claim 1, characterised in that: the sintering temperature in the step S2 is 1300-1400 ℃, and the vacuumizing time in the step S3 is 18-25 min.
3. A method of manufacturing a handset casing according to claim 1, characterised in that: the hot air vulcanization temperature in the step S4 is 130-170 ℃, and the vulcanization time is 15-20 min.
4. A method of manufacturing a handset casing according to claim 1, characterised in that: the alumina particles used in the step S2 have a particle size of 4 to 6 μm.
5. A method of manufacturing a handset casing according to claim 1, characterised in that: the catalyst in the step S3 is a platinum catalyst, and the primer sprayed in the step S6 is a polyurethane or acrylic paint.
6. A mobile phone case processed by the method for processing a mobile phone case according to claim 1, comprising a frame and a back plate, wherein: the edge of the back plate is provided with a groove, the inner wall of the frame and the position bonded with the back plate are provided with raised lines matched with the groove, the back plate is provided with a camera shooting hole, and the periphery of the frame is provided with a volume adjusting hole, a switch key hole, a charging hole and a call hole.
7. A handset casing according to claim 6, wherein: the positions, shapes and sizes of the camera shooting hole, the volume adjusting hole, the switch key hole, the charging hole and the call hole are determined according to the model of the mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010508322.2A CN111674073A (en) | 2020-06-06 | 2020-06-06 | Mobile phone shell machining method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010508322.2A CN111674073A (en) | 2020-06-06 | 2020-06-06 | Mobile phone shell machining method |
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| CN111674073A true CN111674073A (en) | 2020-09-18 |
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| CN202010508322.2A Pending CN111674073A (en) | 2020-06-06 | 2020-06-06 | Mobile phone shell machining method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474755A (en) * | 2022-03-08 | 2022-05-13 | 深圳市润江南科技有限公司 | Manufacturing method of compound technology mobile phone shell containing magnet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103436019A (en) * | 2013-08-23 | 2013-12-11 | 深圳市鸿富诚屏蔽材料有限公司 | High-heat-conductivity electric-insulation heat-conducting silica gel gasket and preparation method thereof |
| CN104999841A (en) * | 2015-06-18 | 2015-10-28 | 深圳市裕田龙科技有限公司 | Mobile phone shell and surface machining process thereof |
| CN210168098U (en) * | 2019-10-16 | 2020-03-20 | 张祖星 | Cell-phone shell convenient to cell-phone heat dissipation |
-
2020
- 2020-06-06 CN CN202010508322.2A patent/CN111674073A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436019A (en) * | 2013-08-23 | 2013-12-11 | 深圳市鸿富诚屏蔽材料有限公司 | High-heat-conductivity electric-insulation heat-conducting silica gel gasket and preparation method thereof |
| CN104999841A (en) * | 2015-06-18 | 2015-10-28 | 深圳市裕田龙科技有限公司 | Mobile phone shell and surface machining process thereof |
| CN210168098U (en) * | 2019-10-16 | 2020-03-20 | 张祖星 | Cell-phone shell convenient to cell-phone heat dissipation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474755A (en) * | 2022-03-08 | 2022-05-13 | 深圳市润江南科技有限公司 | Manufacturing method of compound technology mobile phone shell containing magnet |
| CN114474755B (en) * | 2022-03-08 | 2024-02-13 | 深圳市润江南科技有限公司 | Manufacturing method of composite process mobile phone shell containing magnet |
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Application publication date: 20200918 |
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