CN114515820A - Production process of high-strength anti-falling mobile phone shell - Google Patents
Production process of high-strength anti-falling mobile phone shell Download PDFInfo
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- CN114515820A CN114515820A CN202210099258.6A CN202210099258A CN114515820A CN 114515820 A CN114515820 A CN 114515820A CN 202210099258 A CN202210099258 A CN 202210099258A CN 114515820 A CN114515820 A CN 114515820A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000000741 silica gel Substances 0.000 claims abstract description 53
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 53
- 238000003723 Smelting Methods 0.000 claims abstract description 43
- 238000001816 cooling Methods 0.000 claims abstract description 34
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 26
- 239000000956 alloy Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 13
- 238000000465 moulding Methods 0.000 claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910001148 Al-Li alloy Inorganic materials 0.000 claims abstract description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 9
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 9
- 239000011591 potassium Substances 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 6
- 238000005498 polishing Methods 0.000 claims abstract description 6
- 230000002045 lasting effect Effects 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims description 44
- 238000000576 coating method Methods 0.000 claims description 44
- 239000000243 solution Substances 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 238000004140 cleaning Methods 0.000 claims description 15
- 239000006260 foam Substances 0.000 claims description 15
- 238000009966 trimming Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 13
- 239000000498 cooling water Substances 0.000 claims description 13
- 238000003786 synthesis reaction Methods 0.000 claims description 13
- 238000004806 packaging method and process Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 8
- 244000043261 Hevea brasiliensis Species 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 229920003052 natural elastomer Polymers 0.000 claims description 5
- 229920001194 natural rubber Polymers 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 239000002210 silicon-based material Substances 0.000 claims description 5
- 238000004018 waxing Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 12
- 239000004033 plastic Substances 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 6
- 239000000084 colloidal system Substances 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- 239000004411 aluminium Substances 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 230000008021 deposition Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- IDBFBDSKYCUNPW-UHFFFAOYSA-N lithium nitride Chemical compound [Li]N([Li])[Li] IDBFBDSKYCUNPW-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 241001417490 Sillaginidae Species 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- 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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3481—Housings or casings incorporating or embedding electric or electronic elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Abstract
The invention discloses a production process of a high-strength anti-falling mobile phone shell, which comprises the following steps of S1: adding aluminum alloy, lithium and potassium fluoborate into a smelting furnace for smelting, introducing nitrogen in the smelting process, controlling the temperature at 850-950 ℃ and lasting for 50-70 minutes to obtain lithium aluminum nitride alloy; s2, molding by using a mold: conveying the prepared lithium aluminum nitride alloy solution into a mold, cooling and molding the mold in water at 15-25 ℃, taking out the shell, and polishing the surface of the shell; through adding aluminum alloy, lithium and potassium fluoborate smelting furnace and smelting, obtain lithium aluminum nitride alloy, promote the anti intensity of falling of inner shell, externally adopt defoaming silica gel simultaneously, utilize the elasticity of colloid, make the cell-phone shell have good prevent falling the shock attenuation effect, utilize the heat conduction effect of aluminium to make things convenient for the cell-phone to dispel the heat outwards, silica gel itself also has good heat conductivity simultaneously, thereby inside and outside dual heat conduction can effectively solve the not good problem of traditional plastics cell-phone shell radiating effect.
Description
Technical Field
The invention relates to the technical field of mobile phone shells, in particular to a production process of a high-strength anti-falling mobile phone shell.
Background
The mobile phone is called a mobile phone or a wireless phone, is usually called a mobile phone, is originally a communication tool, has a common name of 'mobile phone' in the early days, is a portable phone terminal which can be used in a wider range, and the shell of the mobile phone is an important component of the mobile phone and can play a role in protecting internal components in the mobile phone.
1. In the prior art, the mobile phone shell is generally made of plastic, so that the mobile phone shell is poor in strength and not resistant to falling, and can easily cause edge breakage and damage after falling;
2. among the prior art, the radiating effect of on the other hand traditional plastics cell-phone shell is not good, and the cell-phone shell can't effectively dispel the heat when the protection, arouses the trouble easily.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a production process of a high-strength anti-falling mobile phone shell, which has the advantages of high strength, falling resistance, heat dissipation and the like, and solves the problems of poor heat dissipation and falling resistance of the traditional plastic mobile phone shell.
(II) technical scheme
In order to achieve the purpose of drop-resistant heat dissipation of the mobile phone shell, the invention provides the following technical scheme: a production process of a high-strength anti-falling mobile phone shell comprises the following steps:
s1, preparing a metal solution: adding aluminum alloy, lithium and potassium fluoborate into a smelting furnace for smelting, introducing nitrogen in the smelting process, controlling the temperature at 850-;
s2, molding by using a mold: conveying the prepared lithium aluminum nitride alloy solution into a mold, cooling and molding the mold in water at 15-25 ℃, taking out the shell, and polishing the surface of the shell;
s3, preparing a silica gel solution: smelting the silicon material and the natural rubber, controlling the smelting temperature at 200-300 ℃, and defoaming the silica gel liquid through a vacuum container to obtain liquid silica gel;
s4, mold synthesis: placing the prepared lithium aluminum nitride alloy shell in a synthesis mould, then filling liquid silica gel through an injection hole to enable the exterior of the lithium aluminum nitride alloy shell to be wrapped by the liquid silica gel, and then placing the synthesized shell in cooling water for demoulding and cooling;
s5, opening holes in the shell: taking out the cooled synthetic mobile phone shell, positioning the mobile phone shell, then opening a camera hole, a charging hole and a sound hole on the synthetic mobile phone shell through a tapping machine, and cleaning holes on the synthetic mobile phone shell;
s6, coating the shell: after the synthetic mobile phone shell with the opened hole is fixed, inserting the filling foam block into the inner side of the synthetic mobile phone shell, then uniformly coating according to the corresponding color, and standing the synthetic mobile phone shell for 20-30 minutes after coating;
s7, detecting intensity: after the coated synthetic mobile phone shell is fixed well through detection equipment, strength detection can be carried out, the synthetic mobile phone shell passing the detection can be transferred to the next link, and unqualified synthetic collection shells can be recycled;
s8, trimming and cleaning: after the qualified synthetic mobile phone shell is transferred to a trimming area, trimming and beautifying the synthetic mobile phone shell, and cleaning adhered objects on the beautified synthetic mobile phone shell;
s9, waxing and packaging: and uniformly coating protective wax on the inner side of the processed synthetic mobile phone shell, then filling the synthetic mobile phone shell into a packaging bag, and tightly pressing and sealing a sealing line.
As a preferable technical scheme of the present invention, the cooling time of the mold in S2 is 30 minutes, and after the water stain on the surface of the mold disappears, the mold is opened to take out the metal shell in the mold.
In a preferred embodiment of the present invention, the melting time of the silica gel liquid in S3 is 50 minutes, and the silica gel liquid is transported to a vacuum vessel through a pipeline, and then the defoaming treatment can be performed.
As a preferable technical scheme of the invention, the cooling time of the S4 synthesized mobile phone shell is 20-30 minutes, after cooling, the mobile phone shell is moved to a drying area, and water stain on the surface of the synthesized mobile phone shell is dried.
As a preferred technical scheme of the present invention, the thickness of the synthetic mobile phone shell in S6 is 0.5-1mm, when coating, the synthetic mobile phone shell is covered on a foam block with a coating plate, after arranging, the coating is performed uniformly by using a coating gun, and after the coating is completed, the synthetic mobile phone shell is taken down from the foam block and placed in a standing area for standing.
(III) advantageous effects
Compared with the prior art, the invention provides a production process of a high-strength anti-falling mobile phone shell, which has the following beneficial effects:
1. this production technology of cell-phone shell is prevented falling by high strength adds the smelting furnace through with aluminum alloy, lithium and potassium fluoborate and smelts, obtains lithium nitride aluminum alloy, promotes the anti intensity of falling of inner shell, adopts defoaming silica gel externally simultaneously, utilizes the elasticity of colloid for the cell-phone shell has good shock attenuation effect of preventing falling.
2. This production technology of high strength anti-falling mobile phone shell through adopting the aluminum alloy as basic material, utilizes the heat conduction effect of aluminium to make things convenient for the cell-phone to dispel the heat outwards, and silica gel itself also has good heat conductivity simultaneously to inside and outside dual heat conduction can effectively solve the not good problem of traditional plastics cell-phone shell radiating effect.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
The first embodiment is as follows:
a production process of a high-strength anti-falling mobile phone shell comprises the following steps:
s1, preparing a metal solution: adding aluminum alloy, lithium and potassium fluoborate into a smelting furnace for smelting, introducing nitrogen in the smelting process, controlling the temperature at 850 ℃ and lasting for 50 minutes to obtain lithium aluminum nitride alloy;
s2, molding by using a mold: conveying the prepared lithium aluminum nitride alloy solution into a mold, cooling and forming the mold in water at 15 ℃, taking out the shell, polishing the surface of the shell, cooling the mold for 30 minutes in S2, and opening the mold to take out the metal shell in the mold after water stains on the surface of the mold disappear;
s3, preparing a silica gel solution: smelting the silicon material and the natural rubber, controlling the smelting temperature to be 200 ℃, defoaming the silica gel liquid through a vacuum container to obtain liquid silica gel, wherein the smelting time of the silica gel liquid in S3 is 50 minutes, conveying the silica gel liquid into the vacuum container through a pipeline, and then carrying out defoaming treatment;
s4, mold synthesis: placing the prepared lithium aluminum nitride alloy shell in a synthesis mould, then pouring liquid silica gel into the synthesis mould through an injection hole, so that the exterior of the lithium aluminum nitride alloy shell is wrapped by the liquid silica gel, then placing the synthesized shell in cooling water, demoulding and cooling, wherein the cooling time of the S4 synthesized mobile phone shell is 20 minutes, moving the mobile phone shell to a drying area after cooling, and drying water stains on the surface of the synthesized mobile phone shell;
s5, opening holes in the shell: taking out the cooled synthetic mobile phone shell, positioning the mobile phone shell, then opening a camera hole, a charging hole and a sound hole on the synthetic mobile phone shell through a tapping machine, and cleaning holes on the synthetic mobile phone shell;
s6, coating the shell: after the synthetic mobile phone shell with the open pores is fixed, inserting the foam blocks into the inner side of the synthetic mobile phone shell, then uniformly coating according to corresponding colors, standing the synthetic mobile phone shell for 20 minutes after coating, wherein the thickness of the synthetic mobile phone shell in S6 is 0.5mm, buckling the synthetic mobile phone shell on the foam blocks with coating plates during coating, uniformly coating by using a coating gun after arrangement, and taking down the synthetic mobile phone shell from the foam blocks and placing the synthetic mobile phone shell in a standing area for standing after coating is completed;
s7, detecting intensity: fixing the coated synthetic mobile phone shell by detection equipment, performing strength detection, transferring the qualified synthetic mobile phone shell to the next link, and recovering unqualified synthetic collection shells;
s8, trimming and cleaning: after the qualified synthetic mobile phone shell is transferred to a trimming area, trimming and beautifying the synthetic mobile phone shell, and cleaning adhered objects on the beautified synthetic mobile phone shell;
s9, waxing and packaging: and uniformly coating protective wax on the inner side of the processed synthetic mobile phone shell, then filling the synthetic mobile phone shell into a packaging bag, and tightly pressing and sealing a sealing line.
Example two:
a production process of a high-strength anti-falling mobile phone shell comprises the following steps:
s1, preparing a metal solution: adding aluminum alloy, lithium and potassium fluoborate into a smelting furnace for smelting, introducing nitrogen in the smelting process, controlling the temperature at 900 ℃ and lasting for 60 minutes to obtain lithium aluminum nitride alloy;
s2, molding by using a mold: conveying the prepared lithium aluminum nitride alloy solution into a mold, cooling and forming the mold in water at 20 ℃, taking out the shell, polishing the surface of the shell, cooling the mold for 30 minutes in S2, and opening the mold to take out the metal shell in the mold after water stains on the surface of the mold disappear;
s3, preparing a silica gel solution: smelting the silicon material and the natural rubber, controlling the smelting temperature to be 250 ℃, defoaming the silica gel liquid through a vacuum container to obtain liquid silica gel, wherein the smelting time of the silica gel liquid in S3 is 50 minutes, and conveying the silica gel liquid into the vacuum container through a pipeline to perform defoaming treatment;
s4, mold synthesis: placing the prepared lithium aluminum nitride alloy shell in a synthesis mould, then pouring liquid silica gel into the synthesis mould through an injection hole, so that the exterior of the lithium aluminum nitride alloy shell is wrapped by the liquid silica gel, then placing the synthesized shell in cooling water, demoulding and cooling, wherein the cooling time of the S4 synthesized mobile phone shell is 25 minutes, moving the mobile phone shell to a drying area after cooling, and drying water stains on the surface of the synthesized mobile phone shell;
s5, opening holes in the shell: taking out the cooled synthetic mobile phone shell, positioning the mobile phone shell, then opening a camera hole, a charging hole and a sound hole on the synthetic mobile phone shell through a tapping machine, and cleaning holes on the synthetic mobile phone shell;
s6, coating the shell: after the synthetic mobile phone shell with the open pores is fixed, inserting the foam blocks into the inner side of the synthetic mobile phone shell, then uniformly coating according to corresponding colors, standing the synthetic mobile phone shell for 20 minutes after coating, wherein the thickness of the synthetic mobile phone shell in S6 is 0.8mm, buckling the synthetic mobile phone shell on the foam blocks with coating plates during coating, uniformly coating by using a coating gun after arrangement, and taking down the synthetic mobile phone shell from the foam blocks and placing the synthetic mobile phone shell in a standing area for standing after coating is completed;
s7, detecting intensity: after the coated synthetic mobile phone shell is fixed well through detection equipment, strength detection can be carried out, the synthetic mobile phone shell passing the detection can be transferred to the next link, and unqualified synthetic collection shells can be recycled;
s8, trimming and cleaning: after the qualified synthetic mobile phone shell is transferred to a trimming area, trimming and beautifying the synthetic mobile phone shell, and cleaning adhered objects on the beautified synthetic mobile phone shell;
s9, waxing and packaging: and uniformly coating protective wax on the inner side of the processed synthetic mobile phone shell, then filling the synthetic mobile phone shell into a packaging bag, and tightly pressing and sealing a sealing line.
Example three:
a production process of a high-strength anti-falling mobile phone shell comprises the following steps:
s1, preparing a metal solution: adding aluminum alloy, lithium and potassium fluoborate into a smelting furnace for smelting, introducing nitrogen in the smelting process, controlling the temperature at 950 ℃ and lasting for 70 minutes to obtain lithium aluminum nitride alloy;
s2, molding by using a mold: conveying the prepared lithium aluminum nitride alloy solution into a mold, cooling and forming the mold in water at 25 ℃, taking out the shell, polishing the surface of the shell, cooling the mold for 30 minutes in S2, and opening the mold to take out the metal shell in the mold after water stains on the surface of the mold disappear;
s3, preparing a silica gel solution: smelting the silicon material and the natural rubber, controlling the smelting temperature to be 300 ℃, defoaming the silica gel liquid through a vacuum container to obtain liquid silica gel, wherein the smelting time of the silica gel liquid in S3 is 50 minutes, conveying the silica gel liquid into the vacuum container through a pipeline, and then carrying out defoaming treatment;
s4, mold synthesis: placing the prepared lithium aluminum nitride alloy shell in a synthesis mould, then pouring liquid silica gel into the synthesis mould through an injection hole, so that the exterior of the lithium aluminum nitride alloy shell is wrapped by the liquid silica gel, then placing the synthesized shell in cooling water, demoulding and cooling, wherein the cooling time of the S4 synthesized mobile phone shell is 30 minutes, moving the mobile phone shell to a drying area after cooling, and drying water stains on the surface of the synthesized mobile phone shell;
s5, opening holes in the shell: taking out the cooled synthetic mobile phone shell, positioning the mobile phone shell, then opening a camera hole, a charging hole and a sound hole on the synthetic mobile phone shell through a tapping machine, and cleaning holes on the synthetic mobile phone shell;
s6, coating the shell: after the synthetic mobile phone shell with the opened hole is fixed, inserting the foam block into the inner side of the synthetic mobile phone shell, then uniformly coating according to the corresponding color, standing the synthetic mobile phone shell for 30 minutes after coating, wherein the thickness of the synthetic mobile phone shell in S6 is 1mm, when coating, buckling the synthetic mobile phone shell on the foam block with the coating plate, after arranging, uniformly coating by using a coating gun, and after coating is finished, taking down the synthetic mobile phone shell from the foam block, placing the synthetic mobile phone shell in a standing area, and standing;
s7, detecting intensity: after the coated synthetic mobile phone shell is fixed well through detection equipment, strength detection can be carried out, the synthetic mobile phone shell passing the detection can be transferred to the next link, and unqualified synthetic collection shells can be recycled;
s8, trimming and cleaning: after the qualified synthetic mobile phone shell is transferred to a trimming area, trimming and beautifying the synthetic mobile phone shell, and cleaning adhered objects on the beautified synthetic mobile phone shell;
s9, waxing and packaging: and uniformly coating protective wax on the inner side of the processed synthetic mobile phone shell, then filling the synthetic mobile phone shell into a packaging bag, and tightly pressing and sealing a sealing line.
Practice proves that the temperature for preparing the metal solution is 850 ℃, the strength of the obtained lithium aluminum nitride alloy is low when the duration is 50 minutes, the temperature for preparing the metal solution is 900 ℃, the strength of the obtained lithium aluminum nitride alloy is low when the duration is 60 minutes, the temperature for preparing the metal solution is 950 ℃, and the strength, the texture, the uniformity and the strength of the obtained lithium aluminum nitride alloy reach the standard when the duration is 70 minutes; in the molding process of the metal shell mold, when the cooling water temperature is 15 ℃ and the cooling time is 30 minutes, a dark spot is formed on the shell surface; in the molding process of the metal shell mold, the temperature of cooling water is 20 ℃, and when the cooling time is 30 minutes, the dark spots on the shell surface are reduced; in the molding process of the metal shell mold, the cooling water temperature is 25 ℃, and when the cooling time is 30 minutes, the shell surface has no dark spot; when the silica gel solution is prepared, after the smelting temperature is controlled at 200 ℃, the smelting time of the silica gel solution is 50 minutes, and the silica gel solution has a deposition point; when the silica gel solution is prepared, after the smelting temperature is controlled at 250 ℃, the smelting time of the silica gel solution is 50 minutes, and the silica gel solution has a deposition point; when the silica gel solution is prepared, after the smelting temperature is controlled at 300 ℃, the smelting time of the silica gel solution is 50 minutes, and the deposition point of the silica gel solution disappears; when the mould is synthesized, the synthesized shell is placed in cooling water for cooling for 20 minutes, and the adhesion degree reaches the standard; when the mould is synthesized, the synthesized shell is placed in cooling water for cooling for 25 minutes, and the adhesion degree does not reach the standard; when the mould is synthesized, the synthesized shell is placed in cooling water for cooling for 20 minutes, and the adhesion degree does not reach the standard; in conclusion, the lithium aluminum nitride alloy obtained when the temperature for preparing the metal solution is 950 ℃ and the duration is 70 minutes has the best strength and quality uniformity; the cooling water temperature is 25 ℃ in the molding process of the metal shell mold, and when the cooling time is 30 minutes, the shell surface has no dark spot and is optimal; when the silica gel solution is prepared, after the smelting temperature is controlled at 300 ℃, the smelting time of the silica gel solution is 50 minutes, and the deposition point of the silica gel solution is optimal; when the mould is synthesized, the synthesized shell is placed in cooling water for cooling for 20 minutes, and the adhesion degree reaches the standard and is optimal.
The principle and the effect of the invention are as follows: during the use, with this cell-phone shell cover outside the cell-phone, because the metal part of cell-phone shell adopts the aluminum alloy, lithium and potassium fluoborate add the smelting furnace and smelt, obtain lithium nitride aluminum alloy, promote the anti intensity of falling of inner shell, simultaneously outside colloid part adopts the defoaming silica gel, utilize the elasticity of colloid, make the cell-phone shell have good the shock attenuation effect of preventing falling, adopt the aluminum alloy to be basic material, at the in-process that uses the cell-phone shell, utilize the heat conduction effect of aluminium can make things convenient for the cell-phone to dispel the heat outward, silica gel itself also has good heat conductivity simultaneously, thereby inside and outside dual heat conduction, can effectively solve the not good problem of traditional plastics cell-phone shell radiating effect.
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 (5)
1. A production process of a high-strength anti-falling mobile phone shell is characterized by comprising the following steps:
s1, preparing a metal solution: adding aluminum alloy, lithium and potassium fluoborate into a smelting furnace for smelting, introducing nitrogen in the smelting process, controlling the temperature at 850-950 ℃ and lasting for 50-70 minutes to obtain lithium aluminum nitride alloy;
s2, molding by using a mold: conveying the prepared lithium aluminum nitride alloy solution into a mold, cooling and molding the mold in water at 15-25 ℃, taking out the shell, and polishing the surface of the shell;
s3, preparing a silica gel solution: smelting the silicon material and the natural rubber, controlling the smelting temperature at 200-300 ℃, and defoaming the silica gel liquid through a vacuum container to obtain liquid silica gel;
s4, mold synthesis: placing the prepared lithium aluminum nitride alloy shell in a synthesis mould, then filling liquid silica gel through an injection hole to enable the exterior of the lithium aluminum nitride alloy shell to be wrapped by the liquid silica gel, and then placing the synthesized shell in cooling water for demoulding and cooling;
s5, opening holes in the shell: taking out the cooled synthetic mobile phone shell, positioning the mobile phone shell, then opening a camera hole, a charging hole and a sound hole on the synthetic mobile phone shell through a tapping machine, and cleaning holes on the synthetic mobile phone shell;
s6, coating the shell: after the synthetic mobile phone shell with the opened hole is fixed, inserting the filling foam block into the inner side of the synthetic mobile phone shell, then uniformly coating according to the corresponding color, and standing the synthetic mobile phone shell for 20-30 minutes after coating;
s7, detecting intensity: after the coated synthetic mobile phone shell is fixed well through detection equipment, strength detection can be carried out, the synthetic mobile phone shell passing the detection can be transferred to the next link, and unqualified synthetic collection shells can be recycled;
s8, trimming and cleaning: after the qualified synthetic mobile phone shell is transferred to a trimming area, trimming and beautifying the synthetic mobile phone shell, and cleaning adhered objects on the beautified synthetic mobile phone shell;
s9, waxing and packaging: and uniformly coating protective wax on the inner side of the processed synthetic mobile phone shell, then filling the synthetic mobile phone shell into a packaging bag, and tightly pressing and sealing a sealing line.
2. The process for manufacturing a high-strength crash-proof mobile phone shell according to claim 1, wherein the cooling time of the mold in S2 is 30 minutes, and after the water stain on the surface of the mold disappears, the mold is opened to take out the metal shell from the mold.
3. The process for manufacturing a high-strength crash-proof mobile phone shell according to claim 1, wherein the melting time of the silica gel liquid in S3 is 50 minutes, and the silica gel liquid is transported to a vacuum container through a pipeline and then is defoamed.
4. The process for manufacturing a high-strength crash-proof mobile phone case as claimed in claim 1, wherein the cooling time of the S4 composite mobile phone case is 20-30 minutes, after cooling, the mobile phone case is moved to a drying area, and water stains on the surface of the composite mobile phone case are dried.
5. The process for manufacturing a high-strength crash-proof mobile phone case as claimed in claim 1, wherein the thickness of the synthetic mobile phone case in S6 is 0.5-1mm, the synthetic mobile phone case is covered on the foam block with the coating plate during coating, after arranging, the coating gun is used to uniformly coat, and after coating, the synthetic mobile phone case is taken down from the foam block and placed in a standing area to stand.
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| CN202210099258.6A CN114515820A (en) | 2022-01-27 | 2022-01-27 | Production process of high-strength anti-falling mobile phone shell |
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| CN202210099258.6A CN114515820A (en) | 2022-01-27 | 2022-01-27 | Production process of high-strength anti-falling mobile phone shell |
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| CN112626365A (en) * | 2020-11-13 | 2021-04-09 | 北京科技大学 | Preparation method of light high-strength powder metallurgy aluminum-lithium alloy |
| CN112695217A (en) * | 2020-12-10 | 2021-04-23 | 广州超拓塑料制品有限公司 | Production process of composite metal mobile phone shell |
| CN113526474A (en) * | 2020-12-31 | 2021-10-22 | 深圳市研一新材料有限责任公司 | Lithium nitride particles, and method and apparatus for producing same |
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2022
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| JP2012158479A (en) * | 2011-01-28 | 2012-08-23 | Japan Science & Technology Agency | Method for producing aluminum nitride |
| CN112626365A (en) * | 2020-11-13 | 2021-04-09 | 北京科技大学 | Preparation method of light high-strength powder metallurgy aluminum-lithium alloy |
| CN112695217A (en) * | 2020-12-10 | 2021-04-23 | 广州超拓塑料制品有限公司 | Production process of composite metal mobile phone shell |
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