CN112876097A - Laser processing technology for mobile phone rear shell glass - Google Patents
Laser processing technology for mobile phone rear shell glass Download PDFInfo
- Publication number
- CN112876097A CN112876097A CN202110121925.1A CN202110121925A CN112876097A CN 112876097 A CN112876097 A CN 112876097A CN 202110121925 A CN202110121925 A CN 202110121925A CN 112876097 A CN112876097 A CN 112876097A
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- CN
- China
- Prior art keywords
- mobile phone
- equipment
- fixedly connected
- main body
- driving shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0005—Other surface treatment of glass not in the form of fibres or filaments by irradiation
- C03C23/0025—Other surface treatment of glass not in the form of fibres or filaments by irradiation by a laser beam
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
Abstract
The invention relates to the technical field of mobile phone rear shell glass laser processing equipment, in particular to a mobile phone rear shell glass laser processing technology, which comprises an equipment main body, wherein the inside of the equipment main body is rotatably connected with a driving shaft, the front surface of the driving shaft is rotatably connected with a crank connecting rod through a shaft, the upper end of the crank connecting rod is movably connected with a laser frame, the left side of the driving shaft is engaged and connected with a positioning toothed plate, the outside of the positioning toothed plate is positioned inside the equipment main body, a positioning slide rail is sleeved on the inside of the equipment main body, the mobile phone shell is limited, so that the mobile phone shell can be well stabilized, the looseness in the processing process is avoided, the inclination phenomenon is avoided, errors are avoided, the processing efficiency of the equipment is well improved, the processing precision of the equipment is improved, and the equipment is suitable for mobile phone shells, the application range of the equipment is increased, and meanwhile, the pollution of the smoke to the environment is avoided.
Description
Technical Field
The invention relates to the technical field of mobile phone rear shell glass laser processing equipment, in particular to a mobile phone rear shell glass laser processing technology.
Background
The mobile phone shell is an ornament for protecting or decorating the appearance of the mobile phone. The mobile phone shell is diversified aiming at the increase of mobile phone brands and functions. The mobile phone shell can be divided into leather, silica gel, cloth, hard plastic, soft plastic and the like according to the texture of the mobile phone shell, and some mobile phone shell glass is better seen through laser processing.
However, the existing equipment cannot accurately position mobile phone rear shell glass with different sizes, so that errors can occur in the processing process of the equipment, products can be unqualified, the working efficiency of the equipment is affected, and the generated smoke can not be well treated, so that pollution can be caused; therefore, a laser processing technique for the back cover glass of a mobile phone is provided by those skilled in the art to solve the above problems in the background art.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a laser processing process for rear cover glass of a mobile phone, which is achieved by the following specific technical means:
a laser processing technology for rear cover glass of mobile phone comprises the following steps,
s1, air extraction: the mobile phone shell is placed above the sucking disc on the equipment, so that the mobile phone shell extrudes the limiting clamping plates on two sides, the limiting clamping plates move, the limiting clamping plates drive the left moving plate to move synchronously, and the moving plate drives the left pull rod to move along with the moving plate in the moving process, so that the pull rod drives the piston to move in the air pipe, and air exhaust movement is performed;
s2, limiting: when the piston performs air exhaust movement, the gas at the upper port of the sucker flows into the sucker, so that the air pressure inside the sucker is reduced, the pressure above the mobile phone shell is greater than the pressure inside the sucker, the mobile phone shell is adsorbed on the upper surface of the sucker due to the pressure difference, the mobile phone shell is limited, the mobile phone shell can be well stabilized, looseness in the processing process is avoided, meanwhile, the phenomenon of inclination is avoided, errors are avoided, the processing efficiency of equipment can be well improved, the processing accuracy of the equipment is improved, the equipment is suitable for mobile phone shells with different sizes, and the use range of the equipment is enlarged;
s3, driving and processing: the driving shaft in the equipment is rotated by opening the driving source outside the equipment, so that the driving shaft drives the crank connecting rod to synchronously move, the crank connecting rod drives the laser frame to move downwards, the hand machine shell is machined, and the driving shaft stops rotating;
s4, purification: at drive shaft pivoted in-process, thereby make the drive shaft drive left location pinion rack upwards slide in the inside of location slide rail, thereby make the location pinion rack drive the transfer line of lower extreme at the in-process that removes and then carry out synchronous motion, thereby make the transfer line drive the shielding plate of right-hand member and then remove, thereby make the shielding plate extract from the inside of mount, thereby cancel the sheltering from to moist active carbon, thereby make moist active carbon carry out adsorption treatment to the flue gas that produces, increase moist active carbon's live time that simultaneously can be fine, avoid equipment when not using, the impurity contact in moist active carbon and the air, thereby reduce moist active carbon's live time and effect, avoid the flue gas to cause the pollution to the environment simultaneously.
A laser processing device for mobile phone backshell glass comprises an equipment main body, wherein the inside of the equipment main body is rotatably connected with a driving shaft, the front surface of the driving shaft is rotatably connected with a crank connecting rod through a shaft, the upper end of the crank connecting rod is movably connected with a laser frame, the left side of the driving shaft is engaged and connected with a positioning toothed plate, the outside of the positioning toothed plate is positioned in the equipment main body and sleeved with a positioning slide rail, the front surface of the lower end of the positioning toothed plate is movably connected with a transmission rod through a shaft, the right end of the transmission rod is movably connected with a baffle plate through a shaft, the inside of the equipment main body is positioned below the transmission rod and fixedly connected with a fixing frame, the inside of the fixing frame is fixedly connected with wet activated carbon, the lower surface of the positioning toothed plate is fixedly connected with a positioning frame, the inside of equipment main part is located the equal fixedly connected with spacing in both sides of locating rack, the right flank fixedly connected with deflector of spacing, the right flank fixedly connected with pull rod of deflector, the equal fixedly connected with piston in both ends about the right flank of pull rod, the trachea has been cup jointed to the outside of pull rod is located the inside of equipment main part, the fixedly connected with movable plate of right flank center department of pull rod, the spacing splint of right flank fixedly connected with of movable plate.
As optimization, the inside of the equipment main body is provided with a sliding groove matched with the laser frame.
As optimization, holes matched with the shielding plates are formed in the right side of the fixing frame, and the fixing frame is distributed in a bilateral symmetry mode by the aid of the vertical center line of the equipment main body.
Preferably, the limiting frame is internally provided with a sliding chute matched with the guide plate, and a spring is fixedly connected between the limiting frame and the guide plate.
Preferably, the pull rod is U-shaped, and a groove matched with the pull rod is formed in the air pipe.
As optimization, the limiting clamping plates are U-shaped, and are distributed in a bilateral symmetry mode with the vertical center line of the equipment main body.
The invention has the following beneficial effects:
1. this cell-phone backshell glass laser processing technology, become little through making the inside atmospheric pressure of sucking disc, thereby make the pressure that is located cell-phone shell top be greater than the inside pressure of sucking disc, owing to receive the reason of pressure difference, thereby make the cell-phone shell adsorb on the upper surface of sucking disc, thereby adversary's casing carries on spacingly, thereby adversary's casing that can be fine stabilizes, it is not hard up to avoid appearing in the in-process of processing, the phenomenon of slope is avoided appearing simultaneously, thereby avoid producing the error, thereby improve equipment's machining efficiency that can be fine, improve equipment's processing precision simultaneously, make equipment be applicable to the cell-phone shell of equidimension not simultaneously, increase.
2. This cell-phone backshell glass laser processing technology is extracted from the inside of mount through making the shielding plate to cancel the sheltering from to moist active carbon, thereby make moist active carbon carry out the adsorption treatment to the flue gas that produces, the live time of the moist active carbon of increase that simultaneously can be fine, avoid equipment when not using, the impurity contact in moist active carbon and the air, thereby reduce the live time and the effect of moist active carbon, avoid the flue gas to cause the pollution to the environment simultaneously.
Drawings
FIG. 1 is a schematic cross-sectional front view of the main body of the apparatus of the present invention.
Fig. 2 is a schematic view of the structure of the positioning toothed plate of the present invention.
FIG. 3 is a schematic diagram of a guide plate structure according to the present invention.
Fig. 4 is an enlarged view of the area a in fig. 1.
Fig. 5 is an enlarged view of the region B in fig. 3.
In the figure: 1. an apparatus main body; 2. a drive shaft; 3. a crank connecting rod; 4. a laser frame; 5. a positioning toothed plate; 6. positioning the slide rail; 7. a transmission rod; 8. a shielding plate; 9. a fixed mount; 10. wetting the activated carbon; 11. a positioning frame; 12. a suction cup; 13. a limiting frame; 14. a guide plate; 15. a pull rod; 16. a piston; 17. an air tube; 18. moving the plate; 19. a limiting splint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a laser processing process for rear cover glass of mobile phone comprises the following steps,
s1, air extraction: place the cell-phone shell on equipment and lie in the top of sucking disc 12, thereby make the cell-phone shell extrude the spacing splint 19 that is located both sides, thereby make spacing splint 19 take place to remove, in the in-process that spacing splint 19 takes place to remove, thereby make spacing splint 19 drive left movable plate 18 and then carry out the synchronous motion, in the in-process that movable plate 18 removed, thereby make movable plate 18 take left pull rod 15 and then move, thereby make pull rod 15 drive piston 16 and take place to remove in the inside of trachea 17, thereby carry out air exhaust motion;
s2, limiting: when the piston 16 performs air exhaust movement, the air at the upper port of the suction cup 12 flows into the suction cup 12, so that the air pressure inside the suction cup 12 is reduced, the pressure above the mobile phone shell is greater than the pressure inside the suction cup 12, and the mobile phone shell is adsorbed on the upper surface of the suction cup 12 due to the pressure difference, so that the mobile phone shell is limited, the mobile phone shell can be well stabilized, looseness in the processing process is avoided, meanwhile, the phenomenon of inclination is avoided, errors are avoided, the processing efficiency of the equipment is well improved, the processing precision of the equipment is improved, the equipment is suitable for mobile phone shells with different sizes, and the use range of the equipment is enlarged;
s3, driving and processing: the driving shaft 2 in the equipment is rotated by opening a driving source outside the equipment, so that the driving shaft 2 drives the crank connecting rod 3 to synchronously move, the crank connecting rod 3 drives the laser frame 4 to downwards move, the mobile case is machined, and the driving shaft 2 stops rotating;
s4, purification: in the pivoted in-process of drive shaft 2, thereby make drive shaft 2 drive left location pinion rack 5 upwards slide in the inside of location slide rail 6, thereby make location pinion rack 5 drive the transfer line 7 of lower extreme and follow synchronous motion at the in-process that removes, thereby make transfer line 7 drive the shielding plate 8 of right-hand member and follow and remove, thereby make shielding plate 8 extract from the inside of mount 9, thereby withdraw the sheltering from to moist active carbon 10, thereby make moist active carbon 10 carry out adsorption treatment to the flue gas that produces, increase moist active carbon 10's live time that simultaneously can be fine, avoid equipment when not using, the impurity contact in moist active carbon 10 and the air, thereby reduce moist active carbon 10's live time and effect, avoid the flue gas to cause the pollution to the environment simultaneously.
A laser processing device for mobile phone rear shell glass comprises an equipment main body 1, a sliding groove matched with a laser frame 4 is formed in the equipment main body 1, a driving shaft 2 is rotatably connected in the equipment main body 1, a crank connecting rod 3 is rotatably connected to the front surface of the driving shaft 2 through a shaft, the laser frame 4 is movably connected to the upper end of the crank connecting rod 3, a positioning toothed plate 5 is meshed and connected to the left side of the driving shaft 2, a positioning sliding rail 6 is sleeved in the outer portion of the positioning toothed plate 5 and located in the equipment main body 1, a transmission rod 7 is movably connected to the front surface of the lower end of the positioning toothed plate 5 through a shaft, a shielding plate 8 is movably connected to the right end of the transmission rod 7 through a shaft, a fixing frame 9 is fixedly connected to the inner portion of the equipment main body 1 and located below the transmission rod 7, holes matched with the shielding plate 8 are formed in the inner portion of, the inside fixedly connected with moist active carbon 10 of mount 9, the lower surface fixedly connected with locating rack 11 of locating tooth board 5.
The inner bottom surface of the equipment main body 1 is positioned below the laser frame 4 and is fixedly connected with a sucker 12, the inner part of the equipment main body 1 is positioned at two sides of a positioning frame 11 and is fixedly connected with a limiting frame 13, a sliding groove matched with a guide plate 14 is formed in the limiting frame 13, a spring is fixedly connected between the limiting frame 13 and the guide plate 14, the right side surface of the limiting frame 13 is fixedly connected with the guide plate 14, the right side surface of the guide plate 14 is fixedly connected with a pull rod 15, the pull rod 15 is U-shaped, the pressure above the mobile phone shell is larger than the pressure inside the sucker 12 by reducing the air pressure inside the sucker 12, the mobile phone shell is adsorbed on the upper surface of the sucker 12 due to the pressure difference, so that the mobile phone shell is limited, the mobile phone shell can be well stabilized, the phenomenon of looseness in the processing process is avoided, and the phenomenon of inclination is avoided at the same time, thereby avoid producing the error to improve equipment's that can be fine machining efficiency, improve equipment's processing precision simultaneously makes equipment be applicable to the cell-phone shell of equidimension not simultaneously, increases the application range of equipment.
The inside of trachea 17 is equipped with the groove that matches each other with pull rod 15, both ends are all fixedly connected with piston 16 about the right flank of pull rod 15, trachea 17 has been cup jointed to the outside of pull rod 15 is located the inside of equipment main part 1, the right flank center department of pull rod 15 is fixedly connected with movable plate 18, the right flank fixedly connected with spacing splint 19 of movable plate 18, the appearance of spacing splint 19 is the U-shaped, spacing splint 19 is left-right symmetry with the vertical central line of equipment main part 1 to be distributed, through making shielding plate 8 extract from the inside of mount 9, thus cancel the sheltering from of moist active carbon 10, thus make moist active carbon 10 carry out adsorption treatment to the flue gas that produces, can be fine simultaneously increase the live time of moist active carbon 10, avoid when equipment does not use, moist active carbon 10 contacts with the impurity in the air, thereby reduce the live time and the effect of moist active carbon 10, and meanwhile, the pollution of the smoke to the environment is avoided.
When in use, the mobile phone shell is placed above the device and positioned on the sucker 12, thereby the mobile phone shell extrudes the limiting clamping plates 19 positioned on two sides, thereby the limiting clamping plates 19 move, in the moving process of the limiting clamping plates 19, thereby the limiting clamping plates 19 drive the left moving plate 18 to move synchronously, in the moving process of the moving plate 18, thereby the moving plate 18 drives the left pull rod 15 to move, thereby the pull rod 15 drives the piston 16 to move in the air pipe 17, thereby the air exhaust motion is carried out, when the piston 16 carries out the air exhaust motion, thereby the gas at the upper port of the sucker 12 flows to the inside of the sucker 12, thereby the air pressure inside the sucker 12 becomes small, thereby the pressure above the mobile phone shell is greater than the pressure inside the sucker 12, due to the pressure difference, thereby the upper surface of the sucker 12 of the mobile phone shell is adsorbed on the sucker, thereby limiting the opponent casing, thereby being capable of well stabilizing the opponent casing, avoiding looseness in the processing process and inclination, thereby avoiding errors, thereby being capable of well improving the processing efficiency of equipment, simultaneously improving the processing precision of the equipment, simultaneously enabling the equipment to be suitable for mobile phone shells with different sizes, increasing the use range of the equipment, rotating the driving shaft 2 in the equipment by opening a driving source outside the equipment, thereby enabling the driving shaft 2 to drive the crank connecting rod 3 to synchronously move, thereby enabling the crank connecting rod 3 to drive the laser frame 4 to downwards move, thereby processing the opponent casing, stopping the rotation of the driving shaft 2 at the moment, in the rotating process of the driving shaft 2, thereby enabling the driving shaft 2 to drive the left positioning toothed plate 5 to upwards slide in the positioning slide rail 6, thereby enabling the positioning toothed plate 5 to drive the lower end transmission rod 7 to synchronously move in the moving process, thereby make transfer line 7 drive the shielding plate 8 of right-hand member and then remove, thereby make shielding plate 8 extract from the inside of mount 9, thereby cancel the sheltering from to moist active carbon 10, thereby make moist active carbon 10 adsorb the processing to the flue gas that produces, the live time of increase moist active carbon 10 that simultaneously can be fine, avoid equipment when not using, the contact of impurity in moist active carbon 10 and the air, thereby reduce the live time and the effect of moist active carbon 10, avoid the flue gas to cause the pollution to the environment simultaneously.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A laser processing technology for mobile phone rear shell glass comprises the following steps:
s1, air extraction: place the top that lies in sucking disc (12) on equipment with the cell-phone shell, thereby make the cell-phone shell extrusion lie in spacing splint (19) of both sides, thereby make spacing splint (19) take place to remove, the in-process that takes place to remove at spacing splint (19), thereby make spacing splint (19) drive left movable plate (18) and then carry out synchronous motion, at the in-process that movable plate (18) removed, thereby make movable plate (18) take left pull rod (15) and then remove, thereby make pull rod (15) drive piston (16) and take place to remove in the inside of trachea (17), thereby carry out the motion of bleeding;
s2, limiting: when the piston (16) performs air exhaust movement, so that gas at an upper port of the sucker (12) flows to the inside of the sucker (12), the air pressure inside the sucker (12) is reduced, the pressure above the mobile phone shell is greater than that inside the sucker (12), and due to the fact that the pressure difference is received, the mobile phone shell is adsorbed on the upper surface of the sucker (12), the mobile phone shell is limited, the mobile phone shell can be well stabilized, looseness in the processing process is avoided, meanwhile, the phenomenon of inclination is avoided, errors are avoided, the processing efficiency of the equipment can be well improved, the processing accuracy of the equipment is improved, meanwhile, the equipment is suitable for mobile phone shells with different sizes, and the use range of the equipment is increased;
s3, driving and processing: the driving shaft (2) in the equipment is rotated by opening a driving source outside the equipment, so that the driving shaft (2) drives the crank connecting rod (3) to synchronously move, the crank connecting rod (3) drives the laser frame (4) to downwards move, the hand casing is machined, and the driving shaft (2) stops rotating;
s4, purification: in the process of rotating the driving shaft (2), the driving shaft (2) drives the left positioning toothed plate (5) to slide upwards in the positioning slide rail (6), thereby leading the positioning toothed plate (5) to drive the transmission rod (7) at the lower end to synchronously move in the moving process, thereby leading the transmission rod (7) to drive the shielding plate (8) at the right end to move along with the transmission rod, so that the shielding plate (8) is pulled out from the inside of the fixed frame (9) to withdraw the shielding of the wet activated carbon (10), thereby leading the wet activated carbon (10) to carry out adsorption treatment on the generated flue gas, simultaneously well prolonging the service time of the wet activated carbon (10), avoiding the contact of the wet activated carbon (10) and impurities in the air when the device is not used, thereby reducing the service time and the effect of the wet activated carbon (10) and simultaneously avoiding the pollution of the smoke to the environment.
2. The laser processing process for the rear cover glass of mobile phone according to claim 1, which proposes a laser processing device for the rear cover glass of mobile phone, comprising a main body (1), characterized in that: the inside of the equipment main body (1) is rotatably connected with a driving shaft (2), the front surface of the driving shaft (2) is rotatably connected with a crank connecting rod (3) through a shaft, the upper end of the crank connecting rod (3) is movably connected with a laser frame (4), the left side of the driving shaft (2) is meshed with a positioning toothed plate (5), the outside of the positioning toothed plate (5) is positioned inside the equipment main body (1) and is sleeved with a positioning slide rail (6), the front surface of the lower end of the positioning toothed plate (5) is movably connected with a transmission rod (7) through a shaft, the right end of the transmission rod (7) is movably connected with a baffle plate (8) through a shaft, the inside of the equipment main body (1) is positioned below the transmission rod (7) and is fixedly connected with a fixing frame (9), the inside of the fixing frame (9) is fixedly connected with wet activated carbon (10), and the lower surface of the, the inside bottom surface of equipment main part (1) is located below fixedly connected with sucking disc (12) of laser frame (4), the inside of equipment main part (1) is located the equal fixedly connected with spacing (13) in both sides of locating rack (11), the right flank fixedly connected with deflector (14) of spacing (13), the right flank fixedly connected with pull rod (15) of deflector (14), the equal fixedly connected with piston (16) in both ends about the right flank of pull rod (15), trachea (17) have been cup jointed in the inside that the outside of pull rod (15) is located equipment main part (1), fixedly connected with movable plate (18) are located at the right flank center of pull rod (15), the spacing splint (19) of right flank fixedly connected with of movable plate (18).
3. The laser processing device for the rear cover glass of mobile phone as claimed in claim 2, wherein: the inside of the equipment main body (1) is provided with a sliding groove matched with the laser frame (4).
4. The laser processing device for the rear cover glass of mobile phone as claimed in claim 2, wherein: the right side of the fixing frame (9) is internally provided with holes matched with the shielding plate (8), and the fixing frame (9) is distributed in a bilateral symmetry mode by using the vertical center line of the equipment main body (1).
5. The laser processing device for the rear cover glass of mobile phone as claimed in claim 2, wherein: the inside of spacing (13) is seted up the spout that matches each other with deflector (14), fixedly connected with spring between spacing (13) and deflector (14).
6. The laser processing device for the rear cover glass of mobile phone as claimed in claim 2, wherein: the pull rod (15) is U-shaped in appearance, and grooves matched with the pull rod (15) are formed in the air pipe (17).
7. The laser processing device for the rear cover glass of mobile phone as claimed in claim 2, wherein: the limiting clamping plates (19) are U-shaped, and the limiting clamping plates (19) are distributed in a bilateral symmetry mode with the vertical center line of the equipment main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110121925.1A CN112876097A (en) | 2021-01-28 | 2021-01-28 | Laser processing technology for mobile phone rear shell glass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110121925.1A CN112876097A (en) | 2021-01-28 | 2021-01-28 | Laser processing technology for mobile phone rear shell glass |
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| CN112876097A true CN112876097A (en) | 2021-06-01 |
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| CN202110121925.1A Pending CN112876097A (en) | 2021-01-28 | 2021-01-28 | Laser processing technology for mobile phone rear shell glass |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208128333U (en) * | 2018-04-02 | 2018-11-20 | 深圳艾香航天生态纺织科技有限公司 | A kind of antibacterial mobile phone protection rear shell |
| CN211794638U (en) * | 2019-11-21 | 2020-10-30 | 福清朝霞鞋业有限公司 | Grinding device is used in sandy beach shoes production |
-
2021
- 2021-01-28 CN CN202110121925.1A patent/CN112876097A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208128333U (en) * | 2018-04-02 | 2018-11-20 | 深圳艾香航天生态纺织科技有限公司 | A kind of antibacterial mobile phone protection rear shell |
| CN211794638U (en) * | 2019-11-21 | 2020-10-30 | 福清朝霞鞋业有限公司 | Grinding device is used in sandy beach shoes production |
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Application publication date: 20210601 |