CN110695773B - Scratch repair process for glass or sapphire panel on surface of electronic product - Google Patents
Scratch repair process for glass or sapphire panel on surface of electronic product Download PDFInfo
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- CN110695773B CN110695773B CN201910917746.1A CN201910917746A CN110695773B CN 110695773 B CN110695773 B CN 110695773B CN 201910917746 A CN201910917746 A CN 201910917746A CN 110695773 B CN110695773 B CN 110695773B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
Abstract
The invention discloses a scratch repair process for a glass or sapphire panel on the surface of an electronic product, which comprises the following steps: 1) manufacturing a positioning jig or a waterproof jig; 2) confirming and classifying the scratch degree of the electronic product to be repaired; 3) selecting a repairing polishing disk corresponding to repairing according to the scratch depth; 4) putting an electronic product to be repaired on a jig of repair equipment and assembling; 5) preparing a scratch repairing liquid; 6) setting relevant parameters of the repair equipment; 7) the repair device is started. The surface of the product repaired by the process of the invention is as new as possible, so that the mirror effect can be achieved, the use function and the appearance aesthetic feeling of the electronic product cannot be influenced, and the value of the electronic product can be recovered to reach or approach to the value of a good product. The process of the invention can greatly improve the value of products which are originally scrapped or treated as defective products, reduce loss and waste, reduce pollution to the environment, create employment opportunities for society, create greater economic benefits and improve ecological environment.
Description
Technical Field
The invention relates to the technical field of scratch repair, in particular to a scratch repair process for glass or a sapphire panel on the surface of an electronic product.
Background
Glass or sapphire is used for manufacturing panels of electronic products, such as mobile phones, tablet computers, watches and the like, and is increasingly widely applied in modern society. However, due to the characteristics of glass or sapphire, scratch scratches are very easy to generate in the production process or the use process, and if the scratch scratches cannot be repaired, great loss is brought to production enterprises. In the prior art, an effective process for repairing scratches of electronic product surface glass or sapphire panels does not exist.
Disclosure of Invention
In view of the above, the present invention is directed to the defects existing in the prior art, and a main object of the present invention is to provide a scratch repair process for electronic product surface glass or sapphire panel, which can effectively repair the scratch of the electronic product surface glass or sapphire panel.
In order to achieve the purpose, the invention adopts the following technical scheme:
a scratch repair process for a glass or sapphire panel on the surface of an electronic product comprises the following steps:
1) manufacturing a positioning jig or a waterproof jig according to the shape, size, thickness and waterproof condition of the electronic product, loading the jig on a platform of repair equipment after the positioning jig or the waterproof jig is manufactured, and adjusting the levelness;
2) confirming and classifying the scratch degree of the electronic product to be repaired: deep drawing, middle drawing and shallow drawing, and marking by stroke circles; holes around the electronic product are stuck by an adhesive tape or sealed by peelable glue to prevent water from entering;
3) selecting and repairing a corresponding repairing polishing disc according to the depth degree of the scratch, selecting a polyurethane composite material leather grinding head with large grinding, small compression amount and hardness and a groove for the deep scratch, selecting a groove leather grinding head or a wool wheel with large compression amount and hardness for the shallow scratch, and selecting and installing the groove leather grinding head or the wool wheel on repairing equipment after the shallow scratch;
4) putting the electronic product to be repaired on a jig of the repair equipment, and installing the electronic product, and using a waterproof jig if waterproof treatment is required;
5) preparing a scratch repairing liquid: adding water and grinding polishing powder into a repairing liquid barrel in the repairing equipment according to a certain proportion, and uniformly stirring to prepare repairing liquid;
6) setting relevant parameters of the repair equipment;
7) starting the repair equipment, driving the main shaft grinding disc to rotate by the servo motor, simultaneously pumping repair liquid from the barrel by a pump, enabling the repair liquid to flow to a middle hole of the grinding disc from the inside of the main shaft, enabling the repair liquid to dispersedly act on the surface of the electronic product from inside to outside towards a groove on the grinding disc, enabling the repair liquid to flow out of the platform and then flowing back into the repair liquid barrel, and circularly working and using the repair liquid until the repair is finished and stopping the;
8) and stopping the equipment after the repair is finished, taking out the electronic product from the treatment tool, wiping the repair liquid on the surface of the electronic product clean, placing the electronic product at a specified position to avoid secondary scratch, and lightly taking and placing the electronic product in the whole process to finish the repair.
As a preferred scheme, the positioning jig is made of 10-15 mm-thick bakelite, acryl or aluminum alloy, and a layer of 0.3-0.7 mm-thick foam or silicone rubber is adhered to the inner bottom and the four walls of the positioning jig.
As a preferable scheme, the repairing polishing disk in the step 3) is cylindrical, the structure of the repairing polishing disk is formed by sticking flannelette-glue-EVA or high-density sponge and polishing leather, the main material is polyurethane and zirconia composite polishing leather with the thickness of 2mm-3mm, the hardness of the repairing polishing disk is 60-85HRC, grooves with the width of 1mm and the depth of 1-2mm are formed in the surface of the polishing leather, the distance between the grooves is 5mm-15mm according to the diameter of the polishing disk, and the grooves are arranged in a shape of a Chinese character 'jing'; the center of the grinding disc is provided with a through hole with the diameter of 5-15mm, and the groove is connected with the central hole; the diameter of the grinding disc is 50mm-300mm according to the size of the product; the total thickness of the grinding disc is 5mm-20mm according to the pressure of the grinding head and the stress of the product, and the thickness of the grinding head is lower when the pressure of the electronic product is large.
As a preferred scheme, the waterproof jig is a special waterproof jig corresponding to the model of the corresponding electronic product.
As a preferred scheme, the repair liquid is a grinding polishing liquid, and the preparation method and parameters thereof are as follows: mixing Si02 powder or zirconia powder with the diameter of 1.5-2.0 microns and water according to the proportion of 1: 5-8, wherein the specific gravity is 1.2-1.5; for the glass panel with strengthened surface, the grinding and polishing powder of zirconia powder is used, and the panel with hardness of more than 9H is prepared by mixing diamond or diamond micropowder with water and uniformly stirring to prevent precipitation.
As a preferred scheme, the parameters of the repair device are mainly as follows: if the diameter of the grinding disc is within 100mm, the revolution of the main shaft of the repairing device is 1400-2000 rpm, the main shaft motor sets forward and reverse rotation to prevent the grinding head from printing, and the interval time between the forward and reverse rotation is 10-30 seconds; the pressure of the main shaft is increased or reduced by adjusting the descending height of the main shaft according to the scratch depth of 0.15-0.4 MPa; setting the moving distance of the main shaft grinding disc of the repairing equipment and the base of the machine table in the directions of X, Y according to the size of the electronic product, wherein the moving distance of the grinding head is greater than the size of the electronic product; the moving speed of the grinding head is 5-15 mm/s, the grinding head and the base of the machine station move back and forth in parallel, and the repairing time is set to be 30-600 seconds according to the scratch depth; the spindle stops in a descending manner when stopping; if the diameter of the grinding disc is 130-150mm, the rotating speed is adjusted to 1200 revolutions per minute; the flow rate of the repair liquid is set to be 10-50ml/S according to the size of the product and the size of the scratch area, so that the temperature of the electronic product is controlled within 50 ℃.
As a preferable scheme, after the repair device is started to operate in the step 7); the main shaft is a metal pipe with a hollow middle part, the diameter of the pipe is larger than 5mm so as to ensure the flow, and the hollow middle part enables repair liquid to flow to the grinding disc from the inside of the main shaft and then diffuse and flow out from the center of the grinding disc to the periphery through the groove of the grinding disc.
As a preferable scheme, when the repair in step 8) is completed and the machine is stopped, after the machine is completely stopped and the main shaft is lifted back to the initial position, the subsequent operation can be performed, so as to avoid hurting hands and damaging electronic products; when the electronic product is taken out, firstly, an air gun is used for blowing accumulated liquid on the surface and gaps of the electronic product completely, then, dry cloth or paper towels are used for wiping the electronic product, then, the electronic product is taken out, dustless cloth is used for wiping the electronic product completely to check the repairing effect, the qualified product is pasted with a protective film to prevent secondary damage and is put into a special packaging carrier, and the unqualified product is repaired again until the electronic product is qualified in repairing.
As a preferable scheme, the electronic product is a mobile phone, a watch or a computer.
Preferably, the peelable glue is a UV light-cured glue.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
the surface of the product repaired by the process of the invention is as new as possible, so that the mirror effect can be achieved, the use function and the appearance aesthetic feeling of the electronic product cannot be influenced, and the value of the electronic product can be recovered to reach or approach to the value of a good product. The process of the invention can greatly improve the value of products which are originally scrapped or treated as defective products, reduce loss and waste, reduce pollution to the environment, create employment opportunities for society, create greater economic benefits and improve ecological environment.
Detailed Description
The invention discloses a scratch repair process for a glass or sapphire panel on the surface of an electronic product, which comprises the following steps:
1) manufacturing a positioning jig or a waterproof jig according to the shape, size, thickness and waterproof condition of the electronic product, loading the jig on a platform of repair equipment after the positioning jig or the waterproof jig is manufactured, and adjusting the levelness; in the embodiment, the positioning jig is made of bakelite, acryl or aluminum alloy with the thickness of 10-15mm, and is not easy to deform, rust and crack, and a layer of foam or silicone rubber with the thickness of 0.3-0.7mm is adhered to the inner bottom and the four walls of the positioning jig, so that an electronic product is prevented from being scratched by the jig; the waterproof jig is a special waterproof jig corresponding to the model of the corresponding electronic product; the electronic product is a mobile phone, a watch or a computer.
2) Confirming and classifying the scratch degree of the electronic product to be repaired: deep drawing, middle drawing and shallow drawing, and marking by stroke circles; the holes around the electronic product are adhered with adhesive tape or sealed with peelable glue (such as UV curable glue) to prevent water from entering.
3) And selecting a corresponding repairing polishing disk to repair according to the depth degree of the scratch, selecting a polyurethane composite material leather grinding head with large grinding, small compression amount and hardness and a groove for the deep scratch, selecting a groove leather grinding head or a wool wheel with large compression amount and hardness for the shallow scratch, and selecting and installing the groove leather grinding head or the wool wheel on repairing equipment after the shallow scratch. In this embodiment, the repairing polishing disk is cylindrical, and has a structure comprising a felted cloth, glue, EVA or a high-density sponge and a polishing leather, the main material is a polyurethane and zirconia composite polishing leather with a thickness of 2mm-3mm, the hardness of the polishing leather is 60-85HRC, grooves with a width of 1mm and a depth of 1-2mm are formed on the surface of the polishing leather, the distance between the grooves is 5mm-15mm according to the diameter of the polishing disk, and the grooves are arranged in a shape like a Chinese character 'jing'; the center of the grinding disc is provided with a through hole with the diameter of 5-15mm, and the groove is connected with the central hole; the diameter of the grinding disc is 50mm-300mm according to the size of the product; the total thickness of the grinding disc is 5mm-20mm according to the pressure of the grinding head and the stress of the product, and the thickness of the grinding head is lower when the pressure of the electronic product is large.
4) And (4) putting the electronic product to be repaired on a jig of the repair equipment, and installing the electronic product, and using a waterproof jig if waterproof treatment is required.
5) Preparing a scratch repairing liquid: adding water and grinding polishing powder into a repairing liquid barrel in the repairing equipment according to a certain proportion, and uniformly stirring to prepare repairing liquid; in this embodiment, the repairing liquid is a polishing liquid, and the blending method and parameters thereof are as follows: mixing Si02 powder or zirconia powder with the diameter of 1.5-2.0 microns and water according to the proportion of 1: 5-8, wherein the specific gravity is 1.2-1.5; for the glass panel with strengthened surface, the grinding and polishing powder of zirconia powder is used, and the panel (such as sapphire) with hardness of more than 9H is prepared by mixing diamond or diamond micropowder with water and stirring uniformly to prevent precipitation.
6) Setting relevant parameters of the repair equipment; the parameters of the repair device are mainly as follows: if the diameter of the grinding disc is within 100mm, the revolution of the main shaft of the repairing device is 1400-2000 rpm, the main shaft motor sets forward and reverse rotation to prevent the grinding head from printing, and the interval time between the forward and reverse rotation is 10-30 seconds; the pressure of the main shaft is increased or reduced by adjusting the descending height of the main shaft according to the scratch depth of 0.15-0.4 MPa; setting the moving distance of the main shaft grinding disc of the repairing equipment and the base of the machine table in the directions of X, Y according to the size of the electronic product, wherein the moving distance of the grinding head is greater than the size of the electronic product; the moving speed of the grinding head is 5-15 mm/s, the grinding head and the base of the machine station move back and forth in parallel, and the repairing time is set to be 30-600 seconds according to the scratch depth; the spindle stops in a decreasing manner when stopping, for example, the rotation speed is 1800-; the larger the diameter of the grinding disc is, the larger the inertia is, the corresponding rotating speed needs to be reduced so as to reduce the adverse phenomena of forward and reverse rotation of the grinding disc, water ripple of brake traces on the surface and the like; if the diameter of the grinding disc is 130-150mm, the rotating speed is adjusted to 1200 revolutions per minute; the flow rate of the repair liquid is set to be 10-50ml/S according to the size of the product and the size of the scratch area, so that the temperature of the electronic product is controlled within 50 ℃.
7) Starting the repair equipment, driving the main shaft grinding disc to rotate by the servo motor, simultaneously pumping repair liquid from the barrel by a pump, enabling the repair liquid to flow to a middle hole of the grinding disc from the inside of the main shaft, enabling the repair liquid to dispersedly act on the surface of the electronic product from inside to outside towards a groove on the grinding disc, enabling the repair liquid to flow out of the platform and then flowing back into the repair liquid barrel, and circularly working and using the repair liquid until the repair is finished and stopping the; in this embodiment, after the repairing device is started to start operation, the main shaft is a metal pipe with a hollow middle part, the diameter of the pipe is larger than 5mm, so as to ensure the flow rate, the middle part is hollow, so that the repairing liquid flows to the grinding disc from the inside of the main shaft and then diffuses and flows out from the center of the grinding disc to the periphery through the groove of the grinding disc, the design enables high temperature generated by high-speed rotation friction between the grinding disc and the electronic product to be continuously cooled by the repairing liquid, the temperature is always controlled within 50 ℃, and therefore the electronic product can be protected from being damaged by high temperature, and a good polishing repairing effect can be maintained.
8) And stopping the equipment after the repair is finished, taking out the electronic product from the treatment tool, wiping the repair liquid on the surface of the electronic product clean, placing the electronic product at a specified position to avoid secondary scratch, and lightly taking and placing the electronic product in the whole process to finish the repair. In this embodiment, when the repair is completed and the machine is stopped, the subsequent operations can be performed only after the machine is completely stopped and the main shaft is lifted back to the initial position, so as to avoid hurting hands and damaging electronic products; when the electronic product is taken out, firstly, an air gun is used for blowing accumulated liquid on the surface and gaps of the electronic product completely, then, dry cloth or paper towels are used for wiping the electronic product, then, the electronic product is taken out, dustless cloth is used for wiping the electronic product completely to check the repairing effect, the qualified product is pasted with a protective film to prevent secondary damage and is put into a special packaging carrier, and the unqualified product is repaired again until the electronic product is qualified in repairing.
The surface of the product repaired according to the process is as new, so that the mirror effect can be achieved, the use function and the appearance aesthetic feeling of the electronic product cannot be influenced, and the electronic product can recover to reach or approach the value of a good product.
The process of the invention can greatly improve the value of products which are originally scrapped or treated as defective products, reduce loss and waste, reduce pollution to the environment, create employment opportunities for society, create greater economic benefits and improve ecological environment.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (10)
1. A scratch repair process for a glass or sapphire panel on the surface of an electronic product is characterized by comprising the following steps: the method comprises the following steps:
1) manufacturing a positioning jig or a waterproof jig according to the shape, size, thickness and waterproof condition of the electronic product, loading the jig on a platform of repair equipment after the positioning jig or the waterproof jig is manufactured, and adjusting the levelness;
2) confirming and classifying the scratch degree of the electronic product to be repaired: deep drawing, middle drawing and shallow drawing, and marking by stroke circles; holes around the electronic product are stuck by an adhesive tape or sealed by peelable glue to prevent water from entering;
3) selecting and repairing a corresponding repairing polishing disc according to the depth degree of the scratch, selecting a polyurethane composite material leather grinding head with large grinding, small compression amount and hardness and a groove for the deep scratch, selecting a groove leather grinding head or a wool wheel with large compression amount and hardness for the shallow scratch, and selecting and installing the groove leather grinding head or the wool wheel on repairing equipment after the shallow scratch;
4) putting the electronic product to be repaired on a jig of the repair equipment, and installing the electronic product, and using a waterproof jig if waterproof treatment is required;
5) preparing a scratch repairing liquid: adding water and grinding polishing powder into a repairing liquid barrel in the repairing equipment according to a certain proportion, and uniformly stirring to prepare repairing liquid;
6) setting relevant parameters of the repair equipment;
7) starting the repair equipment, driving the main shaft grinding disc to rotate by the servo motor, simultaneously pumping repair liquid from the barrel by a pump, enabling the repair liquid to flow to a middle hole of the grinding disc from the inside of the main shaft, enabling the repair liquid to dispersedly act on the surface of the electronic product from inside to outside towards a groove on the grinding disc, enabling the repair liquid to flow out of the platform and then flowing back into the repair liquid barrel, and circularly working and using the repair liquid until the repair is finished and stopping the;
8) and stopping the equipment after the repair is finished, taking out the electronic product from the treatment tool, wiping the repair liquid on the surface of the electronic product clean, placing the electronic product at a specified position to avoid secondary scratch, and lightly taking and placing the electronic product in the whole process to finish the repair.
2. The scratch repair process for surface glass or sapphire panels of electronic products according to claim 1, characterized in that: the positioning jig is made of 10-15 mm-thick bakelite, acrylic or aluminum alloy, and a layer of 0.3-0.7 mm-thick foam or silicone rubber is attached to the inner bottom and the four walls of the positioning jig.
3. The scratch repair process for surface glass or sapphire panels of electronic products according to claim 1, characterized in that: the repairing polishing disk in the step 3) is cylindrical, the structure of the repairing polishing disk is formed by sticking flannelette-glue-EVA or high-density sponge and polishing leather, the main materials are polyurethane and zirconia composite polishing leather with the thickness of 2mm-3mm, the hardness of the repairing polishing disk is 60-85HRC, grooves with the width of 1mm and the depth of 1-2mm are formed in the surface of the polishing leather, the distance between the grooves is 5mm-15mm according to the diameter of the polishing disk, and the grooves are arranged in a shape like a Chinese character 'jing'; the center of the grinding disc is provided with a through hole with the diameter of 5-15mm, and the groove is connected with the central hole; the diameter of the grinding disc is 50mm-300mm according to the size of the product; the total thickness of the grinding disc is 5mm-20mm according to the pressure of the grinding head and the stress of the product, and the thickness of the grinding head is lower when the pressure of the electronic product is large.
4. The scratch repair process for surface glass or sapphire panels of electronic products according to claim 1, characterized in that: the waterproof jig is a special waterproof jig corresponding to the corresponding electronic product model.
5. The scratch repair process for surface glass or sapphire panels of electronic products according to claim 1, characterized in that: the repairing liquid is grinding polishing liquid, and the preparation method and parameters are as follows: mixing Si0 with the diameter of 1.5-2.0 microns2The powder or zirconia powder and water are mixed according to the proportion of 1: 5-8, and the specific gravity is 1.2-1.5; for the glass panel with strengthened surface, the grinding and polishing powder of zirconia powder is used, and the panel with hardness of more than 9H is prepared by mixing diamond or diamond micropowder with water and uniformly stirring to prevent precipitation.
6. The scratch repair process for surface glass or sapphire panels of electronic products according to claim 1, characterized in that: the parameters of the repair device are mainly as follows: if the diameter of the grinding disc is within 100mm, the revolution of the main shaft of the repairing device is 1400-2000 rpm, the main shaft motor sets forward and reverse rotation to prevent the grinding head from printing, and the interval time between the forward and reverse rotation is 10-30 seconds; the pressure of the main shaft is increased or reduced by adjusting the descending height of the main shaft according to the scratch depth of 0.15-0.4 MPa; setting the moving distance of the main shaft grinding disc of the repairing equipment and the base of the machine table in the directions of X, Y according to the size of the electronic product, wherein the moving distance of the grinding head is greater than the size of the electronic product; the moving speed of the grinding head is 5-15 mm/s, the grinding head and the base of the machine station move back and forth in parallel, and the repairing time is set to be 30-600 seconds according to the scratch depth; the spindle stops in a descending manner when stopping; if the diameter of the grinding disc is 130-150mm, the rotating speed is adjusted to 1200 revolutions per minute; the flow rate of the repair liquid is set to be 10-50ml/S according to the size of the product and the size of the scratch area, so that the temperature of the electronic product is controlled within 50 ℃.
7. The scratch repair process for surface glass or sapphire panels of electronic products according to claim 1, characterized in that: after the repairing equipment is started to start operation in the step 7); the main shaft is a metal pipe with a hollow middle part, the diameter of the pipe is larger than 5mm so as to ensure the flow, and the hollow middle part enables repair liquid to flow to the grinding disc from the inside of the main shaft and then diffuse and flow out from the center of the grinding disc to the periphery through the groove of the grinding disc.
8. The scratch repair process for surface glass or sapphire panels of electronic products according to claim 1, characterized in that: when the repair in the step 8) is finished and the machine is stopped, the subsequent operation can be performed after the equipment is completely stopped and the main shaft rises to the initial position, so as to avoid hurting hands and damaging electronic products; when the electronic product is taken out, firstly, an air gun is used for blowing accumulated liquid on the surface and gaps of the electronic product completely, then, dry cloth or paper towels are used for wiping the electronic product, then, the electronic product is taken out, dustless cloth is used for wiping the electronic product completely to check the repairing effect, the qualified product is pasted with a protective film to prevent secondary damage and is put into a special packaging carrier, and the unqualified product is repaired again until the electronic product is qualified in repairing.
9. The scratch repair process for surface glass or sapphire panels of electronic products according to claim 1, characterized in that: the electronic product is a mobile phone, a watch or a computer.
10. The scratch repair process for surface glass or sapphire panels of electronic products according to claim 1, characterized in that: the peelable glue is UV light-cured glue.
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| CN111300161B (en) * | 2020-02-26 | 2022-02-01 | 上海东竞自动化系统有限公司 | Method and apparatus for repairing surface scratches |
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| CN107745324A (en) * | 2017-09-07 | 2018-03-02 | 天津大学 | A kind of optical glass surface forming method |
| CN108972247A (en) * | 2018-08-28 | 2018-12-11 | 安徽玻扬节能钢化玻璃有限公司 | A kind of glass surface scuffing processing equipment |
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| JPS63212463A (en) * | 1987-02-28 | 1988-09-05 | Takayuki Nakajima | Polishing liquid for repairing front glass of automobile |
| CN203228104U (en) * | 2013-04-23 | 2013-10-09 | 江西合力泰科技股份有限公司 | Novel grinding skin |
| CN103447905A (en) * | 2013-09-02 | 2013-12-18 | 中环高科（天津）股份有限公司 | Method for repairing scratches on glass surface of mobile phone by manually polishing |
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