CN112718434A - Keycap surface spraying process - Google Patents
Keycap surface spraying process Download PDFInfo
- Publication number
- CN112718434A CN112718434A CN202011452291.XA CN202011452291A CN112718434A CN 112718434 A CN112718434 A CN 112718434A CN 202011452291 A CN202011452291 A CN 202011452291A CN 112718434 A CN112718434 A CN 112718434A
- Authority
- CN
- China
- Prior art keywords
- keycap
- spraying
- keycaps
- patterns
- coating
- 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.)
- Pending
Links
- 238000005507 spraying Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 230000005855 radiation Effects 0.000 claims abstract description 15
- 238000001723 curing Methods 0.000 claims abstract description 7
- 239000000049 pigment Substances 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 238000001746 injection moulding Methods 0.000 claims abstract description 3
- 239000000428 dust Substances 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- 238000003848 UV Light-Curing Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000003847 radiation curing Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 239000002966 varnish Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims 1
- 238000000016 photochemical curing Methods 0.000 abstract description 7
- 230000007774 longterm Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
- B05B12/122—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to presence or shape of target
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
- B05D7/26—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials synthetic lacquers or varnishes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Push-Button Switches (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a keycap surface spraying process, which comprises the following steps: firstly, performing data modeling, determining mechanism parameters and a spraying path of the keycap, then cleaning the injection molding residues of the keycap, loading the keycap into a spraying jig, coating a photocuring primer, spraying a UV photocuring pigment to form characters and patterns after the primer is cured, finally coating a layer of transparent UV gloss oil outside the coating, and curing by using UV radiation. Through the mode, the pattern is wrapped between the primer and the UV gloss oil in the spraying process, so that direct contact between fingers and the pattern is avoided, and the problem that the keycap characters fall off in a fuzzy mode is effectively solved.
Description
Technical Field
The invention relates to the field of computer equipment, in particular to a keycap surface spraying process.
Background
With the development of the times, the application of computers is gradually popularized, and as an important component of the computers, the application of keyboards is more and more extensive. In the use process of the keyboard, in order to prevent mistaken clicking, characters or patterns are arranged on the common keycaps to serve as reminders, but because fingers of a computer operator are required to be in contact with and rub against the keycap body frequently, the indication patterns and the trademark patterns can be blurred due to friction and even fall off.
Disclosure of Invention
The invention mainly solves the technical problem of providing a keycap surface spraying process which can prevent characters and patterns on the keycap surface from being worn when being knocked.
In order to solve the technical problems, the invention adopts a technical scheme that: the keycap surface spraying process comprises the following steps:
step 1, inputting structural parameters of a keycap into a computer for controlling spraying equipment, constructing a keycap model by the computer according to process requirements, and setting a spraying path for marking characters and patterns on the keycap according to the keycap model;
step 2, conveying the keycaps to be treated into a workshop to remove oil stains and dust remained on the surface of the keycaps during injection molding;
step 3, uniformly loading the keycaps into a special spraying jig, putting the keycaps into coating equipment, uniformly coating a layer of matt light-cured primer on the surfaces of the keycaps, and sending the primer into a UV radiation area for irradiation to cure the primer;
step 4, putting the spraying jig and the keycaps into a special jig and sending the jig and the keycaps into spraying equipment, and spraying by using special UV curing pigment through a computer control sprayer according to the spraying path determined in the step 1 to obtain corresponding identification characters and patterns;
and 5, after the mark characters and the patterns are sprayed, putting the spraying jig and the keycaps into coating equipment, integrally coating a layer of transparent UV gloss oil above the mark characters and the patterns, and sending the transparent UV gloss oil into a UV radiation area for irradiation and hardening.
In a preferred embodiment of the present invention, the cleaning in step 2 is performed by first wiping off the oil stain on the surface with a dust-free cloth dipped with ethanol or isopropanol, then removing the residual volatile liquid with a dry dust-free cloth, and finally removing the static electricity and dust on the surface with an electrostatic precipitator.
In a preferred embodiment of the present invention, the coating thickness of the photo-curing primer is 30 to 50 μm.
In a preferred embodiment of the present invention, the thickness of the layer of the identification characters and patterns is 15 to 25 μm.
In a preferred embodiment of the present invention, the coating thickness of the UV varnish is 5 to 10 μm.
In a preferred embodiment of the present invention, the light-cured primer and the UV varnish are epoxy resin coatings.
In a preferred embodiment of the present invention, the radiation wavelength of the radiation curing region is 360-380 nm.
In a preferred embodiment of the present invention, the curing temperature of the radiation curing area is 50 to 60 ℃.
The invention has the beneficial effects that: according to the technical scheme, the character patterns are sprayed on the primer of the keycap in a double-layer spraying mode, and then the transparent hardening protection layer is sprayed on the patterns, so that the direct contact between the fingers and the character patterns in the knocking process is effectively prevented, and the phenomenon that characters are fuzzy and even fall off when the device is used for a long time is prevented.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention, and to clearly and unequivocally define the scope of the present invention.
The embodiment of the invention comprises the following steps:
example 1
A keycap surface spraying process comprises the following steps:
step 1, inputting structural parameters of a keycap into a computer for controlling spraying equipment, constructing a keycap model by the computer according to process requirements, and setting a spraying path for marking characters and patterns on the keycap according to the keycap model;
step 2, sending the keycaps to be treated into a workshop, wiping the keycaps to be treated by using dust-free cloth dipped with isopropanol to remove surface oil stains, removing residual volatile liquid by using dry dust-free cloth, and finally removing surface static electricity and dust by using an electrostatic dust collector;
step 3, uniformly loading the keycaps into a special spraying jig, putting the keycaps into a coating device, uniformly coating a layer of matt light-cured primer on the surfaces of the keycaps, sending the keycaps into a UV radiation area with a radiation wavelength of 360-380 nm, and irradiating at 50-60 ℃ to cure the primer, wherein the thickness of the light-cured primer is 30-50 microns, and the primer is too thin, so that the original color of the keycap material is easy to leak and is not beneficial to the adhesion of patterns;
step 4, the spraying jig and the keycaps are placed into a special jig and sent into spraying equipment, a computer controls a spray head to spray according to the spraying path determined in the step 1 by using special UV curing pigment to obtain corresponding identification characters and patterns, the spraying thickness of the layers of the identification characters and the patterns is 15-25 micrometers, and the layers are too thick, so that the fingers feel uneven and feel uncomfortable during knocking;
and 5, after spraying, putting the spraying jig and the keycaps into coating equipment, coating a layer of transparent UV gloss oil with the thickness of 5-10 microns on the identification characters and the patterns, and sending the UV gloss oil into a UV radiation area with the radiation wavelength of 360-380 nm to be irradiated and hardened at the temperature of 50-60 ℃.
The photocuring primer and the UV gloss oil are epoxy resin coatings, so that the photocuring primer and the UV gloss oil are good in compatibility after curing and not prone to layering in long-term use, and the epoxy UV gloss oil is high in hardness and good in wear resistance after curing and can be used for long-term knocking without being damaged.
Example 2
A keycap surface spraying process comprises the following steps:
step 1, inputting structural parameters of a keycap into a computer for controlling spraying equipment, constructing a keycap model by the computer according to process requirements, and setting a spraying path for marking characters and patterns on the keycap according to the keycap model;
step 2, sending the keycaps to be treated into a workshop, wiping the keycaps to be treated by using dust-free cloth dipped with ethanol to remove surface oil stains, removing residual volatile liquid by using dry dust-free cloth, and finally removing surface static electricity and dust by using an electrostatic dust collector;
step 3, uniformly loading the keycaps into a special spraying jig, putting the keycaps into a coating device, uniformly coating a layer of matt light-cured primer on the surfaces of the keycaps, sending the keycaps into a UV radiation area with a radiation wavelength of 360-380 nm, and irradiating at 50-60 ℃ to cure the primer, wherein the thickness of the light-cured primer is 30-50 microns, and the primer is too thin, so that the original color of the keycap material is easy to leak and is not beneficial to the adhesion of patterns;
step 4, the spraying jig and the keycaps are placed into a special jig and sent into spraying equipment, a computer controls a spray head to spray according to the spraying path determined in the step 1 by using special UV curing pigment to obtain corresponding identification characters and patterns, the spraying thickness of the layers of the identification characters and the patterns is 15-25 micrometers, and the layers are too thick, so that the fingers feel uneven and feel uncomfortable during knocking;
and 5, after spraying, putting the spraying jig and the keycaps into coating equipment, coating a layer of transparent UV gloss oil with the thickness of 5-10 microns on the identification characters and the patterns, and sending the UV gloss oil into a UV radiation area with the radiation wavelength of 360-380 nm to be irradiated and hardened at the temperature of 50-60 ℃.
The photocuring primer and the UV gloss oil are epoxy resin coatings, so that the photocuring primer and the UV gloss oil are good in compatibility after curing and not prone to layering in long-term use, and the epoxy UV gloss oil is high in hardness and good in wear resistance after curing and can be used for long-term knocking without being damaged.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The keycap surface spraying process is characterized by comprising the following steps:
step 1, inputting structural parameters of a keycap into a computer for controlling spraying equipment, constructing a keycap model by the computer according to process requirements, and setting a spraying path for marking characters and patterns on the keycap according to the keycap model;
step 2, conveying the keycaps to be treated into a workshop to remove oil stains and dust remained on the surface of the keycaps during injection molding;
step 3, uniformly loading the keycaps into a special spraying jig, putting the keycaps into coating equipment, uniformly coating a layer of matt light-cured primer on the surfaces of the keycaps, and sending the primer into a UV radiation area for irradiation to cure the primer;
step 4, putting the spraying jig and the keycaps into a special jig and sending the jig and the keycaps into spraying equipment, and spraying by using special UV curing pigment through a computer control sprayer according to the spraying path determined in the step 1 to obtain corresponding identification characters and patterns;
and 5, after the mark characters and the patterns are sprayed, putting the spraying jig and the keycaps into coating equipment, integrally coating a layer of transparent UV gloss oil above the mark characters and the patterns, and sending the transparent UV gloss oil into a UV radiation area for irradiation and hardening.
2. A keycap surface spraying process according to claim 1, wherein the cleaning in the step 2 is performed by firstly wiping off surface oil stains with a dust-free cloth dipped with ethanol or isopropanol, then removing residual volatile liquid with a dry dust-free cloth, and finally removing surface static electricity and dust with an electrostatic dust collector.
3. A keycap surface spraying process according to claim 1, wherein the coating thickness of the light-cured primer is 30-50 microns.
4. A keycap surface spraying process according to claim 1, wherein the layer thickness of the identification characters and patterns is 15-25 microns.
5. The 3D stereoscopic inkjet process for the surface of the box cover of the powder box according to claim 1, wherein the coating thickness of the UV gloss oil is 5-10 micrometers.
6. A key cap surface spray coating process of claim 1, wherein the light-cured primer and the UV varnish are epoxy resin coatings.
7. A keycap surface spraying process according to claim 1, wherein the radiation wavelength of the radiation curing area is 360-380 nm.
8. A keycap surface spraying process according to claim 1, wherein the curing temperature of the radiation curing area is 50-60 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011452291.XA CN112718434A (en) | 2020-12-12 | 2020-12-12 | Keycap surface spraying process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011452291.XA CN112718434A (en) | 2020-12-12 | 2020-12-12 | Keycap surface spraying process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112718434A true CN112718434A (en) | 2021-04-30 |
Family
ID=75599519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011452291.XA Pending CN112718434A (en) | 2020-12-12 | 2020-12-12 | Keycap surface spraying process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112718434A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533731A (en) * | 2009-04-15 | 2009-09-16 | 苏州达方电子有限公司 | Keyboard, method for printing keycap pattern thereof and method for printing keyboard pattern |
| US20100253757A1 (en) * | 2009-04-03 | 2010-10-07 | Hung-Ming Tseng | Keyboard, printing method of pattern on key cap, and printing method of pattern on keyboard |
-
2020
- 2020-12-12 CN CN202011452291.XA patent/CN112718434A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100253757A1 (en) * | 2009-04-03 | 2010-10-07 | Hung-Ming Tseng | Keyboard, printing method of pattern on key cap, and printing method of pattern on keyboard |
| CN101533731A (en) * | 2009-04-15 | 2009-09-16 | 苏州达方电子有限公司 | Keyboard, method for printing keycap pattern thereof and method for printing keyboard pattern |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210430 |