CN216883131U - Optical lens piece grinding device with cleaning function - Google Patents

Optical lens piece grinding device with cleaning function Download PDF

Info

Publication number
CN216883131U
CN216883131U CN202123190147.6U CN202123190147U CN216883131U CN 216883131 U CN216883131 U CN 216883131U CN 202123190147 U CN202123190147 U CN 202123190147U CN 216883131 U CN216883131 U CN 216883131U
Authority
CN
China
Prior art keywords
dust
proof box
rack
optical lens
groove
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.)
Active
Application number
CN202123190147.6U
Other languages
Chinese (zh)
Inventor
朱维锋
李智
沈铭煊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuzhou Weitaisi Photoelectric Technology Co ltd
Original Assignee
Fuzhou Weitaisi Photoelectric Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fuzhou Weitaisi Photoelectric Technology Co ltd filed Critical Fuzhou Weitaisi Photoelectric Technology Co ltd
Priority to CN202123190147.6U priority Critical patent/CN216883131U/en
Application granted granted Critical
Publication of CN216883131U publication Critical patent/CN216883131U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

Landscapes

  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

The utility model discloses an optical lens polishing device with a cleaning function, which comprises a workbench, a dust-proof box, a polishing mechanism, a cleaning component, a fixing component and a placing platform, wherein the dust-proof box is arranged on the workbench, the polishing mechanism is arranged on the dust-proof box, the cleaning component is arranged on the workbench and extends into the dust-proof box, the placing platform is arranged in the dust-proof box, the fixing component is arranged in the dust-proof box, the polishing mechanism comprises a first air cylinder, an installing plate, a motor, a fixing seat, a quick disassembling and assembling component, a polishing disc and a connecting shaft, the first air cylinder is arranged on the top wall of the dust-proof box, and the output end of the first air cylinder penetrates through the top wall of the dust-proof box in a sliding manner and extends into the dust-proof box. The utility model relates to the technical field of optical lens processing, and particularly provides an optical lens polishing device with a cleaning function, which is convenient for replacing a polishing disc, has a dust-settling function, is convenient for cleaning an optical lens, and is more water-saving.

Description

Optical lens piece grinding device with cleaning function
Technical Field
The utility model relates to the technical field of optical lens processing, in particular to an optical lens polishing device with a cleaning function.
Background
The optical glass is prepared by mixing oxides of high-purity silicon, boron, sodium, potassium, zinc, lead, magnesium, calcium, barium and the like according to a specific formula, melting the mixed oxides in a platinum crucible at a high temperature, uniformly stirring the melted oxides by ultrasonic waves, removing bubbles, and slowly cooling the melted oxides for a long time so as to prevent a glass block from generating internal stress, wherein the cooled glass block has excellent properties such as transparency, uniformity, refractive index, dispersion ratio and the like, and is widely applied to the technical field of optical lenses. Optical lenses are important members for imaging by refraction of light, and are generally used for optical devices such as lenses of cameras and microscopes. At present, the optical lens piece polishes the equipment of polishing that uses, owing to polish the back to a plurality of optical lens pieces, the dish of polishing need often change, and current polishing dish generally adopts fixed mode and is connected with the motor, and this kind of connected mode is not convenient for dismantle change polishing dish to the inconvenient dust fall that carries on of the in-process of polishing also is inconvenient to wash optical lens piece.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an optical lens polishing device with a cleaning function, which is convenient for replacing a polishing disc, has a dust-settling function, is convenient for cleaning optical lenses, and is more water-saving.
The technical scheme adopted by the utility model is as follows: the utility model relates to an optical lens polishing device with a cleaning function, which comprises a workbench, a dustproof box, a polishing mechanism, a cleaning component, a fixing component and a placing platform, wherein the dustproof box is arranged on the workbench, the polishing mechanism is arranged on the dustproof box, the cleaning component is arranged on the workbench and extends into the dustproof box, the placing platform is arranged in the dustproof box, the fixing component is arranged in the dustproof box, the polishing mechanism comprises a first air cylinder, a mounting plate, a motor, a fixed seat, a quick disassembly and assembly component, a polishing disc and a connecting shaft, the first air cylinder is arranged on the top wall of the dustproof box, the output end of the first air cylinder penetrates through the top wall of the dustproof box in a sliding manner and extends into the dustproof box, the mounting plate is arranged on the output end of the first air cylinder, the motor is arranged on the mounting plate, the fixed seat is arranged on the output shaft of the motor, the quick disassembly and assembly component is arranged on the fixed seat, the polishing disc is arranged on the fixed seat through the quick dismounting assembly.
Further, the quick disassembling and assembling component comprises a gear, a first rack, a second rack, a pressing rod, a clamping rod, a limiting rod, a spring and a fixing rod, wherein a slot is arranged on the fixing seat, a connecting shaft is arranged on the polishing disc and is slidably arranged in the slot, a cavity is arranged in the fixing seat, the gear is rotatably arranged in the cavity, the first rack and the second rack are both slidably arranged in the cavity, the first rack and the second rack are positioned on two sides of the gear and are both meshed with the gear, the clamping rod is arranged on the first rack, a first clamping groove is arranged on the connecting shaft, the clamping rod slidably penetrates through the cavity and extends into the first clamping groove, the pressing rod is arranged on the second rack and slidably penetrates through the cavity and extends out of the cavity, the limiting rod is arranged in the cavity, and is slidably sleeved on the limiting rod, the cavity is communicated with the slot through a sliding groove, a groove is formed in the connecting shaft, the fixing rod penetrates through the sliding groove and extends into the groove, the fixing rod is arranged in the sliding groove in a sliding mode and is arranged in the groove in a sliding mode, a second clamping groove is formed in the groove, a clamping portion is arranged on the fixing rod, and the clamping portion can be clamped in the second clamping groove.
Further, wash subassembly includes drinking-water pipe, water pump, raceway and shower nozzle, the water pump is located on the workstation, be equipped with the basin in the workstation, the basin communicates through the mouth of a river down with the dust proof incasement portion, the drinking-water pipe is located on the water inlet of water pump and is extended to in the basin, the raceway is located on the delivery port of water pump and is extended to the dust proof incasement, the shower nozzle is located on the raceway.
Further, fixed subassembly includes backup pad, second cylinder and centre gripping fixed block, the dust proof box is located to the backup pad, the second cylinder is located in the backup pad, the centre gripping fixed block is located on the output of second cylinder, fixed subassembly is equipped with a plurality of groups.
Furthermore, a door body is hinged to the dustproof box, an observation window is arranged on the door body, and transparent glass is arranged in the observation window.
Furthermore, a filter screen is detachably arranged in the water tank.
Furthermore, an orientation block is arranged on the first rack, an orientation groove is arranged in the cavity, and the orientation block is arranged in the orientation groove in a clamping and sliding mode.
The utility model with the structure has the following beneficial effects: the scheme is provided with the polishing mechanism, and the polishing disc can be conveniently and quickly disassembled through the quick disassembling and assembling component, so that the polishing disc can be more conveniently replaced; this scheme is equipped with the washing subassembly, be convenient for wash the lens when polishing through the washing subassembly, and can play certain dust fall effect, the dust and the disintegrating slag that produce of polishing follow rivers and flow in the basin through the mouth of a river down, dust and disintegrating slag through the filter screen to the aquatic filter, the clear water that filters falls to the filter screen below and carries out reuse, can save the water resource to a certain extent from this, because the filter screen can be dismantled the setting, consequently, be more convenient for clear up dust and disintegrating slag that leave the filtration, this scheme is equipped with dust box and clear glass, prevent through the dust box that the in-process dust of polishing from drifting about, be convenient for observe the polishing condition of dust box inner lens through clear glass.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is an enlarged view of part A in the overall structure diagram of the present solution;
fig. 3 is a front view of the present solution.
The automatic cleaning device comprises a working table 1, a working table 2, a dust-proof box 3, a polishing mechanism 4, a cleaning assembly 5, a fixing assembly 6, a placing table 7, a first cylinder 8, a mounting plate 9, a motor 10, a fixing seat 11, a quick assembly and disassembly assembly 12, a polishing disc 13, a connecting shaft 14, a gear 15, a first rack 16, a second rack 17, a pressing rod 18, a clamping rod 19, a limiting rod 20, a spring 21, a fixing rod 22, a water tank 23, a water pumping pipe 24, a water pump 25, a water conveying pipe 26, a spray head 27, a supporting plate 28, a second cylinder 29, a clamping fixing block 30, a door body 31, transparent glass 32 and a filter screen.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1-3, the utility model relates to an optical lens polishing device with cleaning function, comprising a workbench 1, a dust-proof box 2, a polishing mechanism 3, a cleaning component 4, a fixing component 5 and a placing platform 6, wherein the dust-proof box 2 is arranged on the workbench 1, the polishing mechanism 3 is arranged on the dust-proof box 2, the cleaning component 4 is arranged on the workbench 1 and extends into the dust-proof box 2, the placing platform 6 is arranged in the dust-proof box 2, the fixing component 5 is arranged in the dust-proof box 2, the polishing mechanism 3 comprises a first cylinder 7, a mounting plate 8, a motor 9, a fixing seat 10, a quick-disassembly component 11, a polishing disk 12 and a connecting shaft 13, the first cylinder 7 is arranged on the top wall of the dust-proof box 2, the output end of the first cylinder 7 slidably extends into the dust-proof box 2 through the top wall, the mounting plate 8 is arranged on the output end of the first cylinder 7, the motor 9 is arranged on the mounting plate 8, the fixing seat 10 is arranged on the output shaft of the motor 9, swift dismouting subassembly 11 is located on fixing base 10, and polishing dish 12 is located on fixing base 10 through swift dismouting subassembly 11.
The quick disassembling component 11 comprises a gear 14, a first rack 15, a second rack 16, a pressing rod 17, a clamping rod 18, a limiting rod 19, a spring 20 and a fixing rod 21, wherein a slot is arranged on the fixing seat 10, a connecting shaft 13 is arranged on the polishing disk 12, the connecting shaft 13 is slidably arranged in the slot, a cavity is arranged in the fixing seat 10, the gear 14 is rotatably arranged in the cavity, the first rack 15 and the second rack 16 are both slidably arranged in the cavity, the first rack 15 and the second rack 16 are positioned on two sides of the gear 14 and are both meshed with the gear 14, the clamping rod 18 is arranged on the first rack 15, a first clamping groove is arranged on the connecting shaft 13, the clamping rod 18 slidably penetrates through the cavity and extends into the first clamping groove, the pressing rod 17 is arranged on the second rack 16 and slidably penetrates through the cavity and extends out of the cavity, the limiting rod 19 is arranged in the cavity, the fixing rod 21 is arranged on the second rack 16 and slidably sleeved on the limiting rod 19, the cavity passes through the spout intercommunication with the slot, is equipped with the recess on the connecting axle 13, and dead lever 21 runs through the spout and extends to the recess in, and dead lever 21 slides and locates in the spout and slide and locate the recess, is equipped with the second draw-in groove in the recess, is equipped with block portion on the dead lever 21, but block portion block locates in the second draw-in groove.
Cleaning assembly 4 includes drinking-water pipe 23, water pump 24, raceway 25 and shower nozzle 26, and on workstation 1 was located to water pump 24, is equipped with basin 22 in the workstation 1, basin 22 and dust-proof box 2 are inside through the lower mouth of a river intercommunication, and drinking-water pipe 23 is located on the water inlet of water pump 24 and is extended to in the basin 22, and raceway 25 locates on the delivery port of water pump 24 and extends to in the dust-proof box 2, and shower nozzle 26 is located on raceway 25.
The fixing component 5 comprises a supporting plate 27, a second cylinder 28 and a clamping fixing block 29, the supporting plate 27 is arranged in the dustproof box 2, the second cylinder 28 is arranged on the supporting plate 27, the clamping fixing block 29 is arranged on the output end of the second cylinder 28, and the fixing component 5 is provided with a plurality of groups.
The dust-proof box 2 is hinged with a door 30, the door 30 is provided with an observation window, and transparent glass 31 is arranged in the observation window.
A filter screen 32 is detachably provided in the water tank 22.
The first rack 15 is provided with an orientation block, the cavity is internally provided with an orientation groove, and the orientation block is arranged in the orientation groove in a clamping and sliding manner.
When the rapid assembling and disassembling device is used, clear water is added into the water tank 22 through a water adding port (not shown in the figure) arranged on the workbench 1, the door body 30 is opened, an optical lens is placed on the placing table 6, the second air cylinder 28 is started, the second air cylinder 28 drives the clamping fixing block 29 to approach the optical lens, the optical lens is clamped and fixed through the plurality of groups of clamping fixing blocks 29, after the optical lens is fixed, the second air cylinder 28 is closed, the first air cylinder 7 is started, the first air cylinder 7 drives the polishing disc 12 to move downwards, after the polishing disc 12 is contacted with the lens, the first air cylinder 7 is closed, the door body 30 is closed, the water pump 24 and the motor 9 are started, the motor 9 drives the fixing seat 10 to rotate, the fixing seat 10 drives the rapid assembling and disassembling component 11 and the polishing disc 12 to rotate, the optical lens is polished through the polishing disc 12, meanwhile, the water pump 24 pumps the water in the water tank 22 into the water conveying pipe 25 through the water pumping pipe 23, the water is sprayed out of the spray head 26, a certain cleaning and dust-settling effect is achieved, dust and crushed slag generated by polishing flow into the water tank 22 through the water outlet along with water flow, the dust and the crushed slag in the water are filtered through the filter screen 32, and filtered clean water falls below the filter screen 32 for recycling, so that water resources can be saved to a certain extent; when the polishing disc 12 needs to be replaced, only the pressing rod 17 needs to be pressed, the pressing rod 17 drives the second rack 16 to move, the second rack 16 drives the gear 14 to drive the gear 14 to move, the gear 14 drives the first rack 15 to move, the first rack 15 drives the clamping rod 18 to move out of the first clamping groove, meanwhile, the second rack 16 drives the fixing rod 21 to slide, the spring 20 is pressed, when the clamping portion of the fixing rod 21 moves out of the second clamping groove, the connecting shaft 13 can be taken out of the slot, the polishing disc 12 is disassembled at the moment, when the new polishing disc 12 needs to be replaced, the pressing rod 17 is pressed again, the connecting shaft 13 is inserted into the slot, the fixing rod 21 extends into the groove, then the pressing rod 17 is loosened, the clamping rod 18 slides into the first clamping groove under the action of the spring 20, and the clamping portion slides into the second clamping groove to complete the fixation of the polishing disc 12.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While there have been shown and described what are at present considered to be the basic principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides an optical lens piece grinding device with cleaning function which characterized in that: comprises a workbench, a dustproof box, a polishing mechanism, a cleaning component, a fixing component and a placing platform, wherein the dustproof box is arranged on the workbench, the polishing mechanism is arranged on the dust-proof box, the cleaning component is arranged on the workbench and extends into the dust-proof box, the placing table is arranged in the dust-proof box, the fixing component is arranged in the dust-proof box, the polishing mechanism comprises a first cylinder, a mounting plate, a motor, a fixing seat, a quick disassembling and assembling component, a polishing disc and a connecting shaft, the first cylinder is arranged on the top wall of the dust-proof box, the output end of the first cylinder penetrates through the top wall of the dust-proof box in a sliding manner and extends into the dust-proof box, the mounting plate is arranged on the output end of the first cylinder, the motor is arranged on the mounting plate, the fixed seat is arranged on the output shaft of the motor, the quick disassembling and assembling component is arranged on the fixed seat, and the polishing disc is arranged on the fixed seat through the quick disassembling and assembling component.
2. An optical lens polishing device with a cleaning function as set forth in claim 1, wherein: the quick disassembling and assembling component comprises a gear, a first rack, a second rack, a pressing rod, a clamping rod, a limiting rod, a spring and a fixing rod, wherein a slot is arranged on the fixing seat, a connecting shaft is arranged on the polishing disc and is arranged in the slot in a sliding manner, a cavity is arranged in the fixing seat, the gear is rotationally arranged in the cavity, the first rack and the second rack are both arranged in the cavity in a sliding manner, the first rack and the second rack are positioned on two sides of the gear and are both meshed with the gear, the clamping rod is arranged on the first rack, a first clamping groove is arranged on the connecting shaft, the clamping rod penetrates through the cavity in a sliding manner and extends into the first clamping groove, the pressing rod is arranged on the second rack and extends out of the cavity in a sliding manner, the limiting rod is arranged in the cavity, the fixing rod is arranged on the second rack and is sleeved on the limiting rod in a sliding manner, and the cavity is communicated with the slot through a sliding groove, the connecting shaft is provided with a groove, the fixed rod penetrates through the sliding groove and extends into the groove, the fixed rod is arranged in the sliding groove in a sliding mode and is arranged in the groove in a sliding mode, a second clamping groove is formed in the groove, the fixed rod is provided with a clamping portion, and the clamping portion can be clamped in the second clamping groove.
3. An optical lens polishing device with a cleaning function as set forth in claim 1, wherein: the cleaning assembly comprises a water pumping pipe, a water pump, a water delivery pipe and a sprayer, the water pump is arranged on the workbench, a water tank is arranged in the workbench and communicated with the interior of the dust-proof box through a lower water opening, the water pumping pipe is arranged on a water inlet of the water pump and extends into the water tank, the water delivery pipe is arranged on a water outlet of the water pump and extends into the dust-proof box, and the sprayer is arranged on the water delivery pipe.
4. An optical lens polishing device with a cleaning function as set forth in claim 1, wherein: the fixed subassembly includes backup pad, second cylinder and centre gripping fixed block, the dust proof box is located to the backup pad, the second cylinder is located in the backup pad, the centre gripping fixed block is located on the output of second cylinder, the fixed subassembly is equipped with a plurality of groups.
5. An optical lens polishing device with a cleaning function as set forth in claim 1, wherein: the dustproof box is hinged with a door body, the door body is provided with an observation window, and transparent glass is arranged in the observation window.
6. An optical lens polishing device with a cleaning function as set forth in claim 3, wherein: the filter screen can be dismantled in the basin.
7. An optical lens polishing device with a cleaning function as set forth in claim 2, wherein: the first rack is provided with an orientation block, the cavity is internally provided with an orientation groove, and the orientation block is arranged in the orientation groove in a clamping and sliding manner.
CN202123190147.6U 2021-12-18 2021-12-18 Optical lens piece grinding device with cleaning function Active CN216883131U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123190147.6U CN216883131U (en) 2021-12-18 2021-12-18 Optical lens piece grinding device with cleaning function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123190147.6U CN216883131U (en) 2021-12-18 2021-12-18 Optical lens piece grinding device with cleaning function

Publications (1)

Publication Number Publication Date
CN216883131U true CN216883131U (en) 2022-07-05

Family

ID=82206336

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123190147.6U Active CN216883131U (en) 2021-12-18 2021-12-18 Optical lens piece grinding device with cleaning function

Country Status (1)

Country Link
CN (1) CN216883131U (en)

Similar Documents

Publication Publication Date Title
CN216883131U (en) Optical lens piece grinding device with cleaning function
CN215239819U (en) Machine part grinding device convenient to use
CN212794356U (en) Polishing device for optical lens production and processing
CN212792305U (en) Batch cleaning equipment for optical lens production
CN218051830U (en) High-precision optical lens polishing multi-disc jig
CN218947225U (en) Double-sided polishing device for lenses
CN218066963U (en) Quality inspection equipment is used in optical lens processing
CN216066799U (en) Optical lens polishing platform
CN216802853U (en) Optical lens surface treatment device for industrial camera processing
CN212762643U (en) Automatic cleaning device for grinding optical lens
CN214979892U (en) Two-sided grinding device of optical lens piece
CN212190268U (en) Fine grinding equipment for optical lens piece processing
CN113770854A (en) Polishing device for optical lens production and processing
CN218835293U (en) Lower hem machine is used in optical lens production
CN220836936U (en) All-round belt cleaning device of high definition optical lens piece
CN214979894U (en) Optical lens piece grinding device
CN112405213A (en) Optical lens piece cutting and grinding industrial robot
CN219853698U (en) Edging device is used in lanthanide glass production and processing
CN219522622U (en) Grooving device for spectacle lens processing
CN211992226U (en) Burnishing machine is used in optical lens piece processing
CN212145778U (en) Bilateral camera lens edging machine convenient to slagging-off
CN220481212U (en) Double-sided polishing device for curved glass lens
CN220279337U (en) Linkage type splash-proof structure for milling and grinding machine for optical lens processing
CN213106036U (en) Optical lens piece equipment of polishing with dust removal function
CN218168023U (en) Ultrasonic cleaning system used before coating of optical lens

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant