CN215703395U - Resin pouring equipment for processing glasses lens - Google Patents
Resin pouring equipment for processing glasses lens Download PDFInfo
- Publication number
- CN215703395U CN215703395U CN202122291430.1U CN202122291430U CN215703395U CN 215703395 U CN215703395 U CN 215703395U CN 202122291430 U CN202122291430 U CN 202122291430U CN 215703395 U CN215703395 U CN 215703395U
- Authority
- CN
- China
- Prior art keywords
- movable
- movable rod
- support frame
- rod
- rack
- 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
Links
Images
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to resin pouring equipment, in particular to resin pouring equipment for processing spectacle lenses. The technical problem of the utility model is as follows: the resin pouring equipment for processing the spectacle lenses does not need manual resin filling and is high in efficiency. The technical implementation scheme of the utility model is as follows: the utility model provides a glasses lens processing is with resin pouring equipment, is equipped with first material loading frame including first support frame, first material loading frame, second material loading frame, pressure shower nozzle, cylinder, first movable rod, first fly leaf, descending mechanism and rising mechanism, the inboard middle part of first support frame, is equipped with second material loading frame in the middle of the first material loading frame bottom, is equipped with pressure shower nozzle in the middle of the second material loading frame bottom. According to the utility model, the first rack drives the gear to rotate so as to drive the second rack to move upwards, and further drives the second movable plate and the mold to move upwards, so that resin can accurately enter the mold, the resin is prevented from flowing out of the mold, and unnecessary waste is avoided.
Description
Technical Field
The utility model relates to resin pouring equipment, in particular to resin pouring equipment for processing spectacle lenses.
Background
The resin generally refers to a softened or molten range after being heated, the resin has a flowing tendency under the action of external force during softening, the resin is a solid or semi-solid state at normal temperature and sometimes can be a liquid organic polymer, the resin can be used as a material for manufacturing resin lenses, when the resin lenses are remanufactured in a lens processing factory, the resin needs to be filled into a lens mold for molding, at present, the filling of the resin into the lens mold is manually completed by workers, the resin is softened only when being heated, the temperature of the resin is higher, the resin is easily scalded when being manually filled into the mold, the resin is manually filled, the resin needs to be separately filled into the mold by a long-handle water ladle, the operation is troublesome, and the efficiency is low.
Therefore, a resin pouring device for processing spectacle lenses, which does not need manual resin filling and has high efficiency, needs to be developed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects that manual resin filling is easy to scald and the efficiency is low, the utility model has the technical problems that: the resin pouring equipment for processing the spectacle lenses does not need manual resin filling and is high in efficiency.
The technical implementation scheme of the utility model is as follows: a resin pouring equipment for processing spectacle lenses comprises:
the device comprises a first support frame, a first loading frame, a second loading frame, a pressure nozzle, an air cylinder, a first movable rod, a first movable plate, a descending mechanism and a ascending mechanism, wherein the first loading frame is arranged at the middle part of the inner side of the first support frame, the second loading frame is arranged in the middle of the bottom of the first loading frame, the pressure nozzle is arranged in the middle of the bottom of the second loading frame, the air cylinder is arranged on one side, close to the first loading frame, of the first support frame, the first movable rod is arranged at the bottom of an air cylinder telescopic rod, the first movable rod is arranged at the bottom of the first movable rod, the descending mechanism is arranged on one side of the first support frame, a descending mechanism part is connected with the air cylinder telescopic rod, and the ascending mechanism is arranged at the bottom in the first support frame.
In a preferred embodiment of the present invention, the descending mechanism includes a second movable rod, a first rack, a rotating shaft and a gear, the second movable rod is slidably connected to a middle portion of a side of the first support frame near the first movable rod, the first rack is disposed on a side of a bottom of the second movable rod, the rotating shaft is rotatably connected to a side of an inner wall of the first support frame near the first rack, the gear is connected to a side of the rotating shaft, and the gear is engaged with the first rack.
In a preferred embodiment of the present invention, the ascending mechanism includes a second support frame, a first slide rail, a second rack, a second movable plate, and a first spring, the second support frame is disposed in the middle of the bottom of the first support frame, the first slide rails are symmetrically disposed on two sides of the first support frame near the second support frame, the second movable plate is slidably connected to the inside of the first slide rail, the bottom of the second movable plate contacts with the top of the second support frame, the first spring is connected between one side of the top of the second movable plate and the top of the first slide rail near the gear, the second rack is disposed on one side of the top of the second movable plate, and the second rack is engaged with the gear.
In a preferred embodiment of the present invention, the clamping mechanism further comprises a fixed block, a third movable rod, a third movable plate and a first torsion spring, the fixed block is disposed on one side of the second rack close to the second movable plate, the third movable rod is rotatably connected inside the fixed block, the third movable plate is disposed on one side of the third movable rod far from the second rack, and the first torsion spring is connected between one side of the third movable rod and the top of the fixed block.
In a preferred embodiment of the present invention, the fixing mechanism further includes a suction cup, a communication ring and a piston, the suction cups are disposed on four sides of the third movable plate, the communication ring is connected between one side of the suction cups, and the piston is slidably connected to one side of the communication ring.
In a preferred embodiment of the present invention, the sliding device further comprises a sliding mechanism, the sliding mechanism comprises a first fixed rod, a movable block, a second fixed rod, a fourth movable rod and a second torsion spring, the first fixed rod is disposed on one side of the upper portion of the second supporting frame away from the third movable rod, the movable block is slidably disposed on one side of the upper portion of the first fixed rod, the second fixed rod is disposed on one side of the movable block, the fourth movable rod is rotatably connected to the upper portion of the movable block, and the second torsion spring is connected between one side of the fourth movable rod and the movable block.
In a preferred embodiment of the present invention, the apparatus further comprises a rotating mechanism, the rotating mechanism comprises a second slide rail, a fifth movable rod and a second spring, the second slide rail is disposed on one side of the middle portion of the second movable plate, the fifth movable rod is slidably connected to an inside of one side of the second slide rail, and the second spring is connected between one side of the fifth movable rod and an inside of the second slide rail.
In a preferred embodiment of the present invention, the second spring is a return spring for assisting the return of the fifth movable rod.
The utility model has the beneficial effects that: 1. according to the utility model, the first rack drives the gear to rotate so as to drive the second rack to move upwards, and further drives the second movable plate and the mold to move upwards, so that resin can accurately enter the mold, the resin is prevented from flowing out of the mold, and unnecessary waste is avoided.
2. The sucking disc can adsorb the mould with the mould contact, prevents that the mould from dropping at the in-process that rises.
3. The fifth movable rod drives the adhesive tape to move rightwards, so that the adhesive tape seals the top of the mold and is cut off, the equipment can seal the mold by itself, people do not need to seal the mold manually, and the operation difficulty of people is reduced.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a partial perspective view of the present invention.
Fig. 3 is a schematic view of a first partial body structure of the descent mechanism of the present invention.
Fig. 4 is a schematic view of a second partial body structure of the descent mechanism of the present invention.
Fig. 5 is a schematic view of a first partial body structure of the lifting mechanism of the present invention.
Fig. 6 is a schematic view of a second partial body structure of the lifting mechanism of the present invention.
Fig. 7 is a schematic perspective view of the clamping mechanism of the present invention.
Fig. 8 is a schematic view of a first partial structure of the fixing mechanism of the present invention.
Fig. 9 is a schematic structural view of a second partial body of the fixing mechanism of the present invention.
Fig. 10 is a schematic perspective view of the sliding mechanism of the present invention.
Fig. 11 is a schematic perspective view of the rotating mechanism of the present invention.
Reference numbers in the drawings: 1: first support frame, 2: first charging frame, 3: second charging frame, 4: pressure nozzle, 5: a cylinder, 6: first movable bar, 7: first flap, 8: lowering mechanism, 81: second movable bar, 82: first rack, 83: rotating shaft, 84: gear, 9: lifting mechanism, 91: second support frame, 92: first slide rail, 93: second rack, 94: second movable plate, 95: first spring, 10: clamping mechanism, 101: fixed block, 102: third movable bar, 103: third movable plate, 104: first torsion spring, 11: fixing mechanism, 111: suction cup, 112: communication ring, 113: piston, 12: sliding mechanism, 121: first fixing lever, 122: movable block, 123: second fixing lever, 124: fourth movable bar, 125: second torsion spring, 13: rotation mechanism, 131: second slide rail, 132: fifth movable bar, 133: a second spring.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the utility model are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the utility model to the skilled person.
Example 1
A resin pouring device for processing glasses and lenses is shown in figures 1-11 and comprises a first support frame 1, a first material loading frame 2, a second material loading frame 3, a pressure nozzle 4, a cylinder 5, a first movable rod 6, a first movable plate 7, a descending mechanism 8 and an ascending mechanism 9, wherein the first material loading frame 2 is arranged in the middle of the first support frame 1, the second material loading frame 3 is arranged in the middle of the bottom of the first material loading frame 2, the pressure nozzle 4 is arranged in the middle of the bottom of the second material loading frame 3, the cylinder 5 is arranged in the middle of the upper portion of the first support frame 1, the first movable rod 6 is arranged at the bottom of a telescopic rod of the cylinder 5, the first movable rod 7 is arranged at the bottom of the first movable rod 6, the descending mechanism 8 is arranged on the right side of the first support frame 1, the descending mechanism 8 is connected with the cylinder 5, and the ascending mechanism 9 is arranged at the bottom in the first support frame 1.
The descending mechanism 8 comprises a second movable rod 81, a first rack 82, a rotating shaft 83 and a gear 84, the second movable rod 81 is connected to the middle of the right side of the first support frame 1 in a sliding mode, the first rack 82 is arranged on the rear side of the bottom of the second movable rod 81, the rotating shaft 83 is connected to the right side of the inner wall of the first support frame 1 in a rotating mode, the gear 84 is connected to the left side of the rotating shaft 83, and the gear 84 is matched with the first rack 82.
The ascending mechanism 9 includes a second support frame 91, a first slide rail 92, a second rack 93, a second movable plate 94 and a first spring 95, the second support frame 91 is disposed in the middle of the bottom of the first support frame 1, the first slide rails 92 are symmetrically disposed on the left and right sides of the bottom of the first support frame 1, the second movable plate 94 is slidably connected between the inside of the first slide rails 92, the bottom of the second movable plate 94 contacts with the top of the second support frame 91, the first spring 95 is connected between the right side of the top of the second movable plate 94 and the top of the first slide rail 92 on the right side, the second rack 93 is disposed on the right side of the top of the second movable plate 94, and the second rack 93 is matched with the gear 84.
When people need to make lenses, the equipment can be used, people pour resin into the first material loading frame 2 and the second material loading frame 3, then place a lens mold on the second movable plate 94, start the air cylinder 5, the telescopic rod of the air cylinder 5 drives the first movable rod 6 and the first movable plate 7 to move downwards, further drives the second movable rod 81 and the first rack 82 to move downwards, the first rack 82 drives the gear 84 and the rotating shaft 83 to rotate, further drives the second rack 93 to move upwards, the second rack 93 drives the second movable plate 94 and the mold to move upwards, at the moment, the first spring 95 is compressed, the first movable plate 7 extrudes the resin in the second material loading frame 3 into the mold through the pressure nozzle 4, the mold moves upwards, so that the resin can accurately enter the mold, after the resin is loaded, the air cylinder 5 is closed, the telescopic rod of the air cylinder 5 drives the first movable rod 6, the first movable plate 7, The second movable rod 81 and the first rack 82 move upward to reset, and then drive the gear 84 to rotate reversely to reset, at this time, the first spring 95 resets, and drives the second movable plate 94, the second rack 93 and the mold filled with resin to move downward to reset, and people take the mold down and seal the mold opening with an adhesive tape.
The clamping mechanism 10 comprises a fixed block 101, a third movable rod 102, a third movable plate 103 and a first torsion spring 104, the fixed block 101 is arranged on the front lower side of the second rack 93, the third movable rod 102 is rotatably connected inside the fixed block 101, the third movable plate 103 is arranged on the left rear side of the third movable rod 102, and the first torsion spring 104 is connected between the right upper side of the third movable rod 102 and the top of the fixed block 101.
The fixing mechanism 11 comprises a sucker 111, a communicating ring 112 and a piston 113, the suckers 111 are arranged on the upper side, the lower side, the left side and the right side of the third movable plate 103, the communicating ring 112 is connected between the front sides of the suckers 111, and the piston 113 is connected to the front upper side of the communicating ring 112 in a sliding mode.
People manually pull the third movable rod 102 forward to enable the third movable rod 102 to rotate, at the moment, the first torsion spring 104 deforms, the third movable rod 102 drives the third movable plate 103 to move, and further drives the suction cup 111, the communication ring 112 and the piston 113 to move, people place the mold on the second movable plate 94, the third movable rod 102 is loosened, at the moment, the first torsion spring 104 resets to drive the third movable rod 102, the third movable plate 103, the suction cup 111, the communication ring 112 and the piston 113 to reset, the suction cup 111 contacts with the mold to adsorb the mold, gas in the communication ring 112 drives the piston 113 to move forward, so that the mold can be adsorbed, the mold is prevented from falling in the ascending process, when people need to take down the mold, the piston 113 is pressed to extrude the gas in the communication ring 112 into the suction cup 111, and the suction cup 111 can loosen the mold.
Still including slide mechanism 12, slide mechanism 12 is including first dead lever 121, movable block 122, second dead lever 123, fourth movable rod 124 and second torsional spring 125, second support frame 91 upper portion right side rear side is equipped with first dead lever 121, first dead lever 121 upper portion front side slip type is equipped with movable block 122, movable block 122 left side is equipped with second dead lever 123, movable block 122 upper portion rotary type is connected with fourth movable rod 124, be connected with second torsional spring 125 between fourth movable rod 124 rear side and the movable block 122.
The rotating mechanism 13 comprises a second slide rail 131, a fifth movable rod 132 and a second spring 133, the second slide rail 131 is arranged at the rear side of the middle of the second movable plate 94, the fifth movable rod 132 is connected to the inner part of the upper side of the second slide rail 131 in a sliding manner, and the second spring 133 is connected between the right side of the fifth movable rod 132 and the inner part of the second slide rail 131.
When the second movable plate 94 drives the second slide rail 131 and the fifth movable rod 132 to move upward and the fourth movable rod 124 to rotate, the second torsion spring 125 is deformed, when the fifth movable rod 132 moves upward and is separated from the fourth movable rod 124, the second torsion spring 125 is reset and drives the fourth movable rod 124 to reset, when the second movable plate 94 drives the second slide rail 131 and the fifth movable rod 132 to move downward and reset, the fifth movable rod 132 moves rightward under the action of the fourth movable rod 124, the second spring 133 is compressed, the fifth movable rod 132 drives the adhesive tape to move rightward, so that the adhesive tape seals the top of the mold, the adhesive tape is cut, and finally, the movable block 122 is pulled backward by hand, the movable block 122 drives the second fixed rod 123 and the fourth movable rod 124 to move backward, so that the fourth movable rod 124 is separated from the fifth movable rod 132, the second spring 133 is reset at the moment, the fifth movable rod 132 is driven to reset, the movable block 122 is reset, and the movable block 122 drives the second fixed rod 123 and the fourth movable rod 124 to reset.
While the disclosure has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that various other embodiments can be devised which do not depart from the scope of the utility model as disclosed herein. Accordingly, the scope of the utility model should be limited only by the attached claims.
Claims (8)
1. A resin pouring device for processing spectacle lenses is characterized by comprising a first support frame (1), a first material loading frame (2), a second material loading frame (3), a pressure nozzle (4), an air cylinder (5), a first movable rod (6), a first movable plate (7), a descending mechanism (8) and a lifting mechanism (9), wherein the first material loading frame (2) is arranged in the middle of the inner side of the first support frame (1), the second material loading frame (3) is arranged in the middle of the bottom of the first material loading frame (2), the pressure nozzle (4) is arranged in the middle of the bottom of the second material loading frame (3), the air cylinder (5) is arranged on one side, close to the first material loading frame (2), of the first support frame (1), the first movable rod (6) is arranged at the bottom of a telescopic rod of the air cylinder (5), the first movable plate (7) is arranged at the bottom of the first movable rod (6), the descending mechanism (8) is arranged on one side of the first support frame (1), the descending mechanism (8) part is connected with the telescopic rod of the cylinder (5), and the bottom in the first support frame (1) is provided with a ascending mechanism (9).
2. The resin pouring equipment for processing the spectacle lenses according to claim 1, wherein the descending mechanism (8) comprises a second movable rod (81), a first rack (82), a rotating shaft (83) and a gear (84), the second movable rod (81) is connected to the middle part of one side, close to the first support frame (1), in a sliding manner, the first rack (82) is arranged on one side of the bottom of the second movable rod (81), the rotating shaft (83) is rotatably connected to one side, close to the first rack (82), of the inner wall of the first support frame (1), the gear (84) is connected to one side of the rotating shaft (83), and the gear (84) is matched with the first rack (82).
3. The resin casting apparatus for spectacle lens processing according to claim 2, wherein the lifting mechanism (9) comprises a second support frame (91), a first slide rail (92), a second rack (93), a second movable plate (94) and a first spring (95), the second support frame (91) is arranged in the middle of the bottom in the first support frame (1), the first slide rail (92) is symmetrically arranged at two sides of the inside of the first support frame (1) close to the second support frame (91), the second movable plate (94) is connected between the inside of the first slide rail (92) in a sliding manner, the bottom of the second movable plate (94) is in contact with the top of the second support frame (91), the first spring (95) is connected between one side of the top of the second movable plate (94) and the top of the inside of the first slide rail (92) close to one side of the gear (84), the second rack (93) is arranged at one side of the top of the second movable plate (94), the second rack (93) is engaged with the gear (84).
4. The resin pouring equipment for processing the spectacle lenses according to claim 3, which is characterized by further comprising a clamping mechanism (10), wherein the clamping mechanism (10) comprises a fixed block (101), a third movable rod (102), a third movable plate (103) and a first torsion spring (104), the fixed block (101) is arranged on one side, close to the second movable plate (94), of the second rack (93), the third movable rod (102) is rotatably connected inside the fixed block (101), the third movable plate (103) is arranged on one side, far away from the second rack (93), of the third movable rod (102), and the first torsion spring (104) is connected between one side of the third movable rod (102) and the top of the fixed block (101).
5. The resin casting equipment for processing the spectacle lenses according to claim 4, further comprising a fixing mechanism (11), wherein the fixing mechanism (11) comprises a suction cup (111), a communication ring (112) and a piston (113), the suction cups (111) are arranged on four sides of the third movable plate (103), the communication ring (112) is connected between one sides of the suction cups (111), and the piston (113) is connected on one side of the communication ring (112) in a sliding manner.
6. The resin pouring equipment for processing the spectacle lens as claimed in claim 5, which further comprises a sliding mechanism (12), wherein the sliding mechanism (12) comprises a first fixing rod (121), a movable block (122), a second fixing rod (123), a fourth movable rod (124) and a second torsion spring (125), the first fixing rod (121) is arranged on one side, away from the third movable rod (102), of the upper portion of the second support frame (91), the movable block (122) is slidably arranged on one side of the upper portion of the first fixing rod (121), the second fixing rod (123) is arranged on one side of the movable block (122), the fourth movable rod (124) is rotatably connected to the upper portion of the movable block (122), and the second torsion spring (125) is connected between one side of the fourth movable rod (124) and the movable block (122).
7. The resin casting apparatus for processing spectacle lenses according to claim 6, further comprising a rotating mechanism (13), wherein the rotating mechanism (13) comprises a second slide rail (131), a fifth movable rod (132) and a second spring (133), the second slide rail (131) is disposed on one side of the middle portion of the second movable plate (94), the fifth movable rod (132) is slidably connected to one side of the second slide rail (131), and the second spring (133) is connected between one side of the fifth movable rod (132) and the inside of the second slide rail (131).
8. The resin casting apparatus for eyeglass lens manufacturing according to claim 7, wherein the second spring (133) is a return spring for assisting the return of the fifth movable rod (132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122291430.1U CN215703395U (en) | 2021-09-22 | 2021-09-22 | Resin pouring equipment for processing glasses lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122291430.1U CN215703395U (en) | 2021-09-22 | 2021-09-22 | Resin pouring equipment for processing glasses lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215703395U true CN215703395U (en) | 2022-02-01 |
Family
ID=80023064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122291430.1U Active CN215703395U (en) | 2021-09-22 | 2021-09-22 | Resin pouring equipment for processing glasses lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215703395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116872413A (en) * | 2023-09-04 | 2023-10-13 | 江苏天眼视力医药科技有限公司 | Resin casting equipment for processing spectacle lenses |
-
2021
- 2021-09-22 CN CN202122291430.1U patent/CN215703395U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116872413A (en) * | 2023-09-04 | 2023-10-13 | 江苏天眼视力医药科技有限公司 | Resin casting equipment for processing spectacle lenses |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215703395U (en) | Resin pouring equipment for processing glasses lens | |
| CN107467860B (en) | Laboratory full-silica gel die red proofing machine and proofing method | |
| CN115815538B (en) | Sand unloading mechanism for bottom of lost foam casting sand box | |
| CN113152925B (en) | Working method of repairing device for PVC (polyvinyl chloride) wallboard impact pit | |
| CN114290600A (en) | Injection molding rapid forming system | |
| CN219052892U (en) | High-efficient upset shedder | |
| CN209718403U (en) | A kind of vacuum glue-injection machine | |
| CN110815710A (en) | Injection mold capable of being automatically replaced | |
| CN114770840B (en) | Mold pressing device for preparing spectacle rubber plate and preparation method thereof | |
| CN116329480A (en) | Leftover material collecting device for wax mold casting and collecting method thereof | |
| CN213137233U (en) | Ceramic slip casting equipment | |
| CN113696433A (en) | Demoulding mechanism for injection product of injection molding machine | |
| CN216635253U (en) | Demoulding structure for plastic mould | |
| CN208963400U (en) | Smartwatch film sticking apparatus | |
| CN111069388A (en) | Automatic feeding T-shaped die pressing cylinder and using method thereof | |
| CN220681517U (en) | Tire mould convenient to drawing of patterns | |
| CN215040175U (en) | Blow molding machine for producing bracket floating body | |
| CN110193908B (en) | Foaming device | |
| CN218366023U (en) | Quick ejecting pouring mold | |
| CN220010155U (en) | Quantitative tin paste split charging equipment | |
| CN219600303U (en) | Contact lens drawing of patterns is got piece device | |
| CN215591316U (en) | Plastic bottle convenient for taking liquid in trace amount | |
| CN218748809U (en) | Resin lens filling device with control unloading function | |
| CN115302718B (en) | Forming die for security protection camera shell injection molding | |
| CN220008695U (en) | Injection mold opening device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230103 Address after: 432700 First Floor, West Second Building, Jinlong Community, Mengfan, Haodian Town, Guangshui City, Suizhou City, Hubei Province Patentee after: Guangshui Bochuang Photoelectric Technology Co.,Ltd. Address before: 510000 room 602, No. 11, Hengjing 6th Street, Huangpu District, Guangzhou, Guangdong Patentee before: Yang Meilian |