CN108453509B - Environment-friendly forming process of notebook computer keyboard panel - Google Patents
Environment-friendly forming process of notebook computer keyboard panel Download PDFInfo
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- CN108453509B CN108453509B CN201810222526.2A CN201810222526A CN108453509B CN 108453509 B CN108453509 B CN 108453509B CN 201810222526 A CN201810222526 A CN 201810222526A CN 108453509 B CN108453509 B CN 108453509B
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- 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
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/28—Printing on other surfaces than ordinary paper on metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/009—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2200/00—Printing processes
- B41P2200/40—Screen printing
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Thermal Sciences (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Printing Methods (AREA)
Abstract
The environment-friendly forming process of the keyboard panel of the notebook computer comprises the following steps: the method comprises the following steps of feeding, punch forming, CNC, polishing, flatness shaping, sand blasting, anode coloring and screen printing, wherein three times of punching processes with different patterns are adopted, so that a exquisite logo effect with balanced matte and bright effects is obtained; meanwhile, the process of comprehensively irradiating by ultraviolet light, infrared light and visible red light and printing metal powder infrared ink on the semi-dry pattern is adopted, so that the whole manufacturing process is more environment-friendly, and meanwhile, the pattern can be ensured to have exquisite effect and anti-counterfeiting capability.
Description
Technical Field
The invention relates to the field of energy-saving and environment-friendly manufacturing, in particular to an energy-saving and environment-friendly forming process for a keyboard panel of a notebook computer.
Background
The existing molding process of the keyboard panel of the notebook computer is quite energy-saving and environment-friendly, and usually only a CNC (computer numerical control) process and then a stamping process are carried out during product molding, so that the CNC process needs longer processing time and consumes energy; in addition, when the product is used for stamping a logo, the logo has poor effect, and the matte effect and the bright effect are difficult to balance; in addition, when the patterns are printed on the keyboard panel, the printing is not environment-friendly enough, the images are not exquisite enough, the pattern firmness is not enough, and the patterns are easy to decolor, so that the appearance of the product is damaged.
Disclosure of Invention
In order to solve the technical problems, the invention provides an environment-friendly forming process of a keyboard panel of a notebook computer, which adopts a mode of firstly stamping and then CNC, and can save the processing time; adopting a three-time continuous stamping process to obtain a exquisite logo effect with balanced matte and bright effects; the semi-dry ink with expected melt degree can be obtained by adopting the process of comprehensive irradiation of ultraviolet light, infrared light and visible red light; the process of printing the metal powder infrared ink on the semi-dry ink pattern is adopted, so that the printed pattern has exquisite effect, anti-counterfeiting capability and firmness, and the whole manufacturing process is more environment-friendly by adopting the UV ink.
In order to achieve the above object, the present invention provides an environment-friendly forming process for a keyboard panel of a notebook computer, comprising the following steps:
a feeding process: feeding a reel-shaped aluminum sheet by a conveyor, wherein the grain direction of the aluminum sheet is parallel to the long edge direction of the aluminum sheet, the long edge direction is the feeding direction, and coating a film on the single surface of a product by a film coating machine by adopting UV (ultraviolet) light curing equipment;
the punch forming process comprises the steps of 1) punching the aluminum sheet to the appearance of the keyboard panel by adopting a punch press and blanking in the whole circumference, and punching the aluminum sheet by adopting a convex punching male die; 2) adopting soft material test operation before a mold for stamping the LOGO is opened, predicting and verifying the springback coefficient for 2-3 times, carrying out first stamping by adopting a stamping head with a protruded curve-shaped grain on the surface, then carrying out second stamping by adopting a stamping head with a sunken diamond-shaped grain on the surface, and finally carrying out third stamping by adopting a stamping head with a smooth surface, so that the LOGO is stamped out gradually from shallow to deep, and the dark pattern of the LOGO has the effect of balancing the matte effect and the bright effect in subsequent processing; 3) bending four sides of the shell by using a punch; 4) shaping the flatness of a product by adopting a high-strength adhesive for punching an upper die and a lower die;
a CNC procedure, namely processing each size of the product to a specified thickness and shape, and milling an anode hanging point on the bending of the product, wherein the width of the anode hanging point is 0.5mm, the length of the anode hanging point is 30mm, and the depth of the anode hanging point is 0.3 mm;
a grinding process, namely grinding the periphery of the product and the surface of a master die, grinding and repairing the surface of the product due to collision and scratch caused by stamping and CNC (computer numerical control) processes, adopting a grinding sheet as a coarse grinding surface of abrasive paper, limiting when grinding the periphery of the jig by adopting a fine grinding surface of the abrasive paper, avoiding the damage of the periphery edge, and then carrying out flatness shaping;
sand blasting and anode coloring, wherein metal sand is adopted for sand blasting on the front side and the back side, the back side is firstly sprayed, the front side is then sprayed, an anode color plate is provided, anode coloring is carried out after specific colors are confirmed by tests, and finally laser etching is carried out to break oxygen;
a silk-screen printing process, namely printing a pattern on the printed surface of a product by using UV ink, irradiating the UV ink for 0.2 second by using ultraviolet light, infrared light and visible red light after printing is finished, wherein the proportions of the ultraviolet light, the infrared light and the visible red light are respectively 50%, 30% and 20%, so that the ink is in a semi-dry state suitable for further printing, then printing metal powder infrared ink on the semi-dry pattern by using a silk-screen printer, fusing the UV ink and the metal powder infrared ink, drying and curing the whole printed pattern by using illumination of which the proportions of the ultraviolet light and the visible red light are respectively 60% and 40%, and then curing the printed matter by using hot air;
an automatic gluing process, wherein 45S of glue dispensing, 8S of taking, 90S of hot pressing and 30S of taking are carried out, and the deformation direction of the deformation degree control is temporarily determined to be right side up; the long side of the stamping section is less than 0.5 mm; broadside <0.3 mm; the long side of the sand blasting section is less than 0.7 mm; broadside <0.5 mm; the length of the assembly segment is less than or equal to 0.7 mm; broadside ≦ 0.5 mm;
and an assembling step of assembling the glued keyboard panel.
Compared with the prior art, the method has the advantages that the mode of firstly stamping and then CNC is adopted, so that the processing time can be saved; adopting a three-time continuous stamping process to obtain a exquisite logo effect with balanced matte and bright effects; the semi-dry ink in the expected molten state can be obtained by adopting the process of comprehensive irradiation of ultraviolet light, infrared light and visible red light in corresponding proportion; the process of printing the metal powder infrared ink on the semi-dry ink pattern is adopted, so that the printed pattern has exquisite effect, anti-counterfeiting capability and firmness, and the whole manufacturing process is more environment-friendly by adopting the UV ink.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
An environment-friendly forming process of a keyboard panel of a notebook computer comprises the following steps:
a feeding process: feeding a reel-shaped aluminum sheet by a conveyor, wherein the grain direction of the aluminum sheet is parallel to the long edge direction of the aluminum sheet, the long edge direction is the feeding direction, and coating a film on the single surface of a product by a film coating machine by adopting UV (ultraviolet) light curing equipment;
the punch forming process comprises the steps of 1) punching the aluminum sheet to the appearance of the keyboard panel by adopting a punch press and blanking in the whole circumference, and punching the aluminum sheet by adopting a convex punching male die; 2) adopting soft material test operation before a mold for stamping the LOGO is opened, predicting and verifying the springback coefficient for 2-3 times, carrying out first stamping by adopting a stamping head with a protruded curve-shaped grain on the surface, then carrying out second stamping by adopting a stamping head with a sunken diamond-shaped grain on the surface, and finally carrying out third stamping by adopting a stamping head with a smooth surface, so that the LOGO is stamped out gradually from shallow to deep, and the dark pattern of the LOGO has the effect of balancing the matte effect and the bright effect in subsequent processing; 3) bending four sides of the shell by using a punch; 4) shaping the flatness of a product by adopting a high-strength adhesive for punching an upper die and a lower die;
a CNC procedure, namely processing each size of the product to a specified thickness and shape, and milling an anode hanging point on the bending of the product, wherein the width of the anode hanging point is 0.5mm, the length of the anode hanging point is 30mm, and the depth of the anode hanging point is 0.3 mm;
a grinding process, namely grinding the periphery of the product and the surface of a master die, grinding and repairing the surface of the product due to collision and scratch caused by stamping and CNC (computer numerical control) processes, adopting a grinding sheet as a coarse grinding surface of abrasive paper, limiting when grinding the periphery of the jig by adopting a fine grinding surface of the abrasive paper, avoiding the damage of the periphery edge, and then carrying out flatness shaping;
sand blasting and anode coloring, wherein metal sand is adopted for sand blasting on the front side and the back side, the back side is firstly sprayed, the front side is then sprayed, an anode color plate is provided, anode coloring is carried out after specific colors are confirmed by tests, and finally laser etching is carried out to break oxygen;
a silk-screen printing process, namely printing a pattern on the printed surface of a product by using UV ink, irradiating the UV ink for 0.2 second by using ultraviolet light, infrared light and visible red light after printing is finished, wherein the proportions of the ultraviolet light, the infrared light and the visible red light are respectively 50%, 30% and 20%, so that the ink is in a semi-dry state suitable for further printing, then printing metal powder infrared ink on the semi-dry pattern by using a silk-screen printer, fusing the UV ink and the metal powder infrared ink, drying and curing the whole printed pattern by using illumination of which the proportions of the ultraviolet light and the visible red light are respectively 60% and 40%, and then curing the printed matter by using hot air;
an automatic gluing process, wherein 45S of glue dispensing, 8S of taking, 90S of hot pressing and 30S of taking are carried out, and the deformation direction of the deformation degree control is temporarily determined to be right side up; the long side of the stamping section is less than 0.5 mm; broadside <0.3 mm; the long side of the sand blasting section is less than 0.7 mm; broadside <0.5 mm; the length of the assembly segment is less than or equal to 0.7 mm; broadside ≦ 0.5 mm;
and an assembling step of assembling the glued keyboard panel.
In the invention, a mode of firstly stamping and then CNC is adopted, so that a workpiece can be bent by an angle in advance, and the time for machining radian by CNC is reduced; the method is a great innovation of the application by adopting a process of continuously stamping the LOGO for three times, patterns of stamping heads used in the previous two times are different, a stamping head without patterns is used in the last time, and the LOGO can be continuously stamped for three times, so that a delicate LOGO effect with balanced matte and bright effects can be obtained through tests; the application has the advantages that the semi-dry ink in the expected melting state can be obtained by adopting the process of comprehensive irradiation of ultraviolet light, infrared light and visible red light in a corresponding proportion, the invention is another great innovation of the application, the technology of the comprehensive irradiation for curing the UV ink is not available in the prior drying and curing, and the application finds that the infrared light and the visible red light are added into the ultraviolet light, so that the drying effect is better, the drying effect of the ink can be better controlled, and the ink can be kept in a state which is beneficial to processing; and the process of printing the metal powder infrared ink on the semi-dry ink pattern enables the printed pattern to have a metal effect, the firmness of the ink is greatly improved, and when the printed pattern is irradiated by infrared light, extra anti-counterfeiting capacity can be obtained under the action of the infrared ink, and the whole manufacturing process is more environment-friendly due to the adoption of UV ink and no organic ink.
In the description, each part is described in a progressive manner, each part is emphasized to be different from other parts, and the same and similar parts among the parts are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (1)
1. An environment-friendly forming process of a keyboard panel of a notebook computer comprises the following steps:
a feeding process: feeding a reel-shaped aluminum sheet by a conveyor, wherein the grain direction of the aluminum sheet is parallel to the long edge direction of the aluminum sheet, the long edge direction is the feeding direction, and coating a film on the single surface of a product by a film coating machine by adopting UV (ultraviolet) light curing equipment;
the punch forming process comprises the steps of 1) punching the aluminum sheet to the appearance of the keyboard panel by adopting a punch press and blanking in the whole circumference, and punching the aluminum sheet by adopting a convex punching male die; 2) adopting soft material test operation before a mold for stamping the LOGO is opened, predicting and verifying the springback coefficient for 2-3 times, carrying out first stamping by adopting a stamping head with a protruded curve-shaped grain on the surface, then carrying out second stamping by adopting a stamping head with a sunken diamond-shaped grain on the surface, and finally carrying out third stamping by adopting a stamping head with a smooth surface, so that the LOGO is stamped out gradually from shallow to deep, and the dark pattern of the LOGO has the effect of balancing the matte effect and the bright effect in subsequent processing; 3) bending four sides of the shell by using a punch; 4) shaping the flatness of a product by adopting a high-strength adhesive for punching an upper die and a lower die;
a CNC procedure, namely processing each size of the product to a specified thickness and shape, and milling an anode hanging point on the bending of the product, wherein the width of the anode hanging point is 0.5mm, the length of the anode hanging point is 30mm, and the depth of the anode hanging point is 0.3 mm;
a grinding process, namely grinding the periphery of the product and the surface of a master die, grinding and repairing the surface of the product due to collision and scratch caused by stamping and CNC (computer numerical control) processes, adopting a grinding sheet as a coarse grinding surface of abrasive paper, limiting when grinding the periphery of the jig by adopting a fine grinding surface of the abrasive paper, avoiding the damage of the periphery edge, and then carrying out flatness shaping;
sand blasting and anode coloring, wherein metal sand is adopted for sand blasting on the front side and the back side, the back side is firstly sprayed, the front side is then sprayed, an anode color plate is provided, anode coloring is carried out after specific colors are confirmed by tests, and finally laser etching is carried out to break oxygen;
a silk-screen printing process, namely printing a pattern on the printed surface of a product by using UV ink, irradiating the UV ink for 0.2 second by using ultraviolet light, infrared light and visible red light after printing is finished, wherein the proportions of the ultraviolet light, the infrared light and the visible red light are respectively 50%, 30% and 20%, so that the ink is in a semi-dry state suitable for further printing, then printing metal powder infrared ink on the semi-dry pattern by using a silk-screen printer, fusing the UV ink and the metal powder infrared ink, drying and curing the whole printed pattern by using illumination of which the proportions of the ultraviolet light and the visible red light are respectively 60% and 40%, and then curing the printed matter by using hot air;
an automatic gluing process, wherein 45S of glue dispensing, 8S of taking, 90S of hot pressing and 30S of taking are carried out, and the deformation direction of the deformation degree control is temporarily determined to be right side up; the long side of the stamping section is less than 0.5 mm; broadside <0.3 mm; the long side of the sand blasting section is less than 0.7 mm; broadside <0.5 mm; the length of the assembly segment is less than or equal to 0.7 mm; broadside ≦ 0.5 mm;
and an assembling step of assembling the glued keyboard panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810222526.2A CN108453509B (en) | 2018-03-16 | 2018-03-16 | Environment-friendly forming process of notebook computer keyboard panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810222526.2A CN108453509B (en) | 2018-03-16 | 2018-03-16 | Environment-friendly forming process of notebook computer keyboard panel |
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| CN108453509A CN108453509A (en) | 2018-08-28 |
| CN108453509B true CN108453509B (en) | 2020-10-09 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110640397B (en) * | 2019-08-21 | 2021-04-13 | 广东长盈精密技术有限公司 | Control panel manufacturing method, control panel and electronic equipment |
| CN114789323B (en) * | 2022-04-26 | 2023-09-29 | 广东长盈精密技术有限公司 | Reworking and repairing method for keyboard surface of notebook computer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS546611A (en) * | 1977-06-15 | 1979-01-18 | Toppan Printing Co Ltd | Method of stereoscopic printing on aluminum plate |
| JPS5845083A (en) * | 1981-09-10 | 1983-03-16 | Nippon Koki Kk | Electrical formation of pattern on metal |
| JPH08276650A (en) * | 1993-04-15 | 1996-10-22 | Takeuchi Kogyo Kk | Manufacture of cosmetic storage member and the cosmetic storage member |
| CN2655369Y (en) * | 2004-03-19 | 2004-11-10 | 温州德邦经贸有限公司 | Special artistic pattern label board |
| CN101635117B (en) * | 2008-07-25 | 2015-06-10 | 鸿富锦精密工业（深圳）有限公司 | Metal identification piece manufacturing method |
| CN103813670A (en) * | 2012-11-13 | 2014-05-21 | 鸿富锦精密工业（深圳）有限公司 | Metal casing and pattern fabrication method |
| EP3122203A4 (en) * | 2014-03-28 | 2018-01-03 | Incase Designs Corp. | Hybrid frame sleeve case |
| CN104219907A (en) * | 2014-09-15 | 2014-12-17 | 联想(北京)有限公司 | Electronic device and housing manufacture method thereof |
| CN205166316U (en) * | 2015-07-24 | 2016-04-20 | 深圳市光峰光电技术有限公司 | Tape identification piece casing |
| CN105072228A (en) * | 2015-09-06 | 2015-11-18 | 深圳市中联讯科技有限公司 | Mobile phone surface shell and processing method thereof |
| CN105611767B (en) * | 2016-03-03 | 2019-07-26 | 联想(北京)有限公司 | The manufacturing method of a kind of electronic equipment and apparatus casing |
| CN106670730A (en) * | 2016-07-07 | 2017-05-17 | 深圳天珑无线科技有限公司 | Manufacturing technology of metal battery cover of cellphone |
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