CN223128937U - A cold-rolled strip surface cleaning device - Google Patents

A cold-rolled strip surface cleaning device

Info

Publication number
CN223128937U
CN223128937U CN202422404174.6U CN202422404174U CN223128937U CN 223128937 U CN223128937 U CN 223128937U CN 202422404174 U CN202422404174 U CN 202422404174U CN 223128937 U CN223128937 U CN 223128937U
Authority
CN
China
Prior art keywords
fixedly connected
cleaning
transmission gear
cold
workbench
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
CN202422404174.6U
Other languages
Chinese (zh)
Inventor
马刚华
张鑫瑞
刘相智
杜宗辉
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.)
Shandong Qiangang Metal Technology Co ltd
Original Assignee
Shandong Qiangang Metal 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 Shandong Qiangang Metal Technology Co ltd filed Critical Shandong Qiangang Metal Technology Co ltd
Priority to CN202422404174.6U priority Critical patent/CN223128937U/en
Application granted granted Critical
Publication of CN223128937U publication Critical patent/CN223128937U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Cleaning In General (AREA)

Abstract

The utility model discloses a cold-rolled strip steel surface cleaning device, which belongs to the technical field of cleaning equipment and comprises a workbench, wherein conveying mechanisms are fixedly connected to two ends of the upper surface of the workbench, a mounting plate is fixedly connected to one side of the middle end of the upper surface of the workbench, two first connecting clamping groove blocks are rotatably connected to one side of the mounting plate, connecting inserting blocks are inserted into the two first connecting clamping groove blocks, a cleaning brush rod is fixedly connected to one side of each connecting inserting block, and an adjusting mechanism is fixedly connected to the other side of the middle end of the upper surface of the workbench. According to the utility model, the cleaning brush rod is detachably designed by the adjusting mechanism, so that the cleaning brush rod is convenient to maintain and replace, the cleaning mechanism is arranged, the cleaning brush rod is rotated to primarily brush and remove surface dirt, and then the high-pressure cleaning spray head is used for deep flushing, so that the surface of the cold-rolled strip steel is thoroughly cleaned, and meanwhile, sewage is directly led into the sewage tank through the drainage tank, so that the subsequent treatment is facilitated.

Description

Cold-rolled strip steel surface cleaning device
Technical Field
The utility model relates to the technical field of cleaning equipment, in particular to a cold-rolled strip steel surface cleaning device.
Background
In the production process of cold-rolled strip steel, due to the influence of various process factors, oil dirt, scrap iron, oxide and other impurities are often attached to the surface of the strip steel, and the impurities not only influence the surface quality of the strip steel, but also can cause adverse effects on subsequent processing and use. Therefore, the effective cleaning and washing of the cold-rolled strip steel is an important link in the production process.
The patent with the publication number of CN210614662U is a cold-rolled strip steel surface cleaning device, which discloses a cold-rolled strip steel surface cleaning device, relates to the technical field of cleaning devices, and mainly aims to solve the problem that dirt on a steel strip is easy to remain caused by horizontal cleaning of the steel strip; the cleaning device comprises a mounting platen, strip steel unreeling rollers, strip steel reeling rollers and a cleaning groove, wherein the strip steel unreeling rollers, the strip steel reeling rollers and the cleaning groove are fixedly mounted on the mounting platen, holes for the strip steel to pass through are formed in two side walls of the cleaning groove, two rows of rotating shafts are arranged in the cleaning groove, cleaning rollers are sleeved on each rotating shaft, and a power assembly for driving the rotating shafts to rotate is further arranged on the outer wall of the cleaning groove. The utility model has simple structure, can improve the cleaning effect by tilting the strip steel, can improve the cleaning efficiency by cleaning two sides, and has simple and convenient operation and strong practicability. The cleaning roller of this patent technology has not enough in the practical application in-process, and the cleaning roller of this equipment is dismantled comparatively difficultly, produces wearing and tearing easily when the device carries out cleaning operation back cleaning roller surface for a long time, influences subsequent clean effect, and this equipment is not cleared up dust and sewage that the clearance produced, and the environmental protection theory is relatively poor.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a cold-rolled strip steel surface cleaning device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a cold-rolled belted steel surface cleaning device, includes the workstation, the equal fixedly connected with conveying mechanism in both ends of workstation upper surface, one side fixedly connected with mounting panel of workstation upper surface middle-end, one side of mounting panel rotates and is connected with two first connection draw-in groove pieces, two the inside of first connection draw-in groove piece is all pegged graft and is connected the inserted block, one side fixedly connected with cleaning brush pole of connected the inserted block, the opposite side fixedly connected with adjustment mechanism of workstation upper surface middle-end, the upper surface fixedly connected with of workstation washs the case, the access groove has all been seted up to the front and the back of wasing the case, the inside fixedly connected with wiper mechanism of wasing the case, the lower surface fixedly connected with two backup pads of workstation, two the lower surface fixedly connected with same base of backup pad.
As a further improvement of the utility model, the conveying mechanism comprises a conveying frame fixedly connected with two ends of the workbench, the upper end in the conveying frame is rotationally connected with a first conveying roller, the lower end in the conveying frame is rotationally connected with a second conveying roller, the upper end on one side of the conveying frame is rotationally connected with a first transmission gear, one side of the first transmission gear is fixedly connected with the first conveying roller, the lower end on one side of the conveying frame is rotationally connected with a second transmission gear, one side of the second transmission gear is fixedly connected with the second conveying roller, the first transmission gear is meshed with the second transmission gear, the other side of the conveying frame is fixedly connected with a driving motor, and the power end of the driving motor is fixedly connected with the first conveying roller.
As a further improvement of the utility model, the adjusting mechanism comprises a fixed seat fixedly connected to the other side of the middle end of the upper surface of the workbench, a threaded rod is connected to the inner thread of the fixed seat, one end of the threaded rod is rotatably connected with a movable seat, the movable seat is movably connected to the workbench, the upper end and the lower end of one side of the movable seat are rotatably connected with second connecting clamping groove blocks matched with the connecting plug blocks, one side of the movable seat is fixedly connected with a rotating motor, the power end of the rotating motor is fixedly connected with one of the second connecting clamping groove blocks, and the other end of the threaded rod is fixedly connected with a handle.
As a further improvement of the utility model, the upper end of one side of the mounting plate is rotationally connected with a third transmission gear, one side of the third transmission gear is fixedly connected with one of the first connecting clamping groove blocks, the lower end of one side of the mounting plate is rotationally connected with a fourth transmission gear, one side of the fourth transmission gear is fixedly connected with the other first connecting clamping groove block, and the third transmission gear and the fourth transmission gear are meshed.
As a further improvement of the utility model, the cleaning mechanism comprises a plurality of cleaning pipes fixedly connected in the cleaning box, a plurality of cleaning spray heads are fixedly connected to the surfaces of the cleaning pipes, a water pump is fixedly connected to the upper surface of the base, a water delivery pipe is fixedly connected to the water outlet end of the water pump, and the other end of the water delivery pipe is fixedly connected to the cleaning pipes.
As a further improvement of the utility model, the upper surface of the base is fixedly connected with a sewage tank, one side of the upper surface of the workbench is provided with a drainage groove, the lower end of the drainage groove is fixedly connected with the sewage tank, the other side of the upper surface of the base is fixedly connected with an industrial dust collector, the other side of the upper surface of the workbench is provided with a dust collection opening, and the lower end of the dust collection opening is fixedly connected with the industrial dust collector.
The utility model has the beneficial effects that:
Through setting up first conveying roller and second conveying roller, drive first conveying roller and second conveying roller counter-rotation through first drive gear and second drive gear, the clamping force that forms between them helps keeping cold rolled strip's rectilinear movement in the transportation, has prevented that belted steel from taking place off tracking or skew in the transportation, is convenient for follow-up cleaning.
Through setting up the cleaning brush pole, during the use, two upper and lower cleaning brush poles synchronous reverse rotation of drive through third drive gear and fourth drive gear can carry out the omnidirectional, high strength to cold-rolled strip steel surface effectively and clean, not only increased clean dynamics, still ensured clear homogeneity, effectively got rid of the spot and the impurity on cold-rolled strip steel surface, the industry dust catcher that is equipped simultaneously can retrieve dust and the tiny granule that produces in the clean process in real time, has effectively prevented environmental pollution.
Through setting up adjustment mechanism, during the use, the cleaning brush pole adopts detachable design, through the cooperation of threaded rod and removal seat, can easily realize the installation, dismantlement and the position adjustment of cleaning brush pole, not only be convenient for maintenance and the change of cleaning brush pole, still improved flexibility and the commonality of device, prolonged the life of equipment.
Through setting up wiper mechanism, the first preliminary surperficial filth of scrubbing of through rotatory cleaning brush pole, utilize the high pressure cleaning shower nozzle to carry out the degree of depth washing afterwards, guaranteed the thorough cleaning of cold-rolled steel strip surface, saved time and human cost, the direct introduction sewage case of water drainage tank is passed through to the sewage that produces in the cleaning process simultaneously, the follow-up of being convenient for has embodied environmental protection and energy saving's design theory.
Drawings
Fig. 1 is a schematic structural view of a cold-rolled strip steel surface cleaning device according to the present utility model.
Fig. 2 is a schematic structural view of a cleaning brush bar of a cold-rolled strip steel surface cleaning device.
Fig. 3 is a schematic structural view of a cleaning mechanism of a cold-rolled strip surface cleaning device according to the present utility model.
Fig. 4 is a schematic structural view of an adjusting mechanism of a cold-rolled strip surface cleaning device according to the present utility model.
Fig. 5 is a schematic structural diagram of a conveying mechanism of a cold-rolled strip steel surface cleaning device.
In the figure: the cleaning device comprises a workbench, a mounting plate, a first connecting clamping groove block, a connecting inserting block, a cleaning brush rod 5, a cleaning box 6, an inlet and outlet groove 7, a supporting plate 8, a base 9, a conveying frame 10, a first conveying roller 11, a second conveying roller 12, a first transmission gear 13, a second transmission gear 14, a driving motor 15, a fixed seat 16, a threaded rod 17, a moving seat 18, a second connecting clamping groove block 19, a third transmission gear 20, a fourth transmission gear 21, a cleaning pipe 22, a cleaning spray nozzle 23, a water pump 24, a water pipe 25, a sewage box 26, a water draining groove 27, an industrial dust collector 28, a dust collecting opening 29, a rotating motor 30 and a handle 31.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-5, a cold-rolled strip steel surface cleaning device comprises a workbench 1, wherein conveying mechanisms are fixedly connected to two ends of the upper surface of the workbench 1, a mounting plate 2 is fixedly connected to one side of the middle end of the upper surface of the workbench 1, two first connecting clamping groove blocks 3 are rotatably connected to one side of the mounting plate 2, connecting plug blocks 4 are inserted into the two first connecting clamping groove blocks 3, a cleaning brush rod 5 is fixedly connected to one side of the connecting plug blocks 4, an adjusting mechanism is fixedly connected to the other side of the middle end of the upper surface of the workbench 1, a cleaning box 6 is fixedly connected to the upper surface of the workbench 1, an access groove 7 is formed in the front surface and the back surface of the cleaning box 6, a cleaning mechanism is fixedly connected to the inner side of the cleaning box 6, two supporting plates 8 are fixedly connected to the lower surface of the workbench 1, and the same base 9 is fixedly connected to the lower surface of the two supporting plates 8.
The utility model discloses a cold-rolled strip steel conveying mechanism, which comprises a conveying frame 10 fixedly connected to two ends of a workbench 1, wherein the upper end in the conveying frame 10 is rotationally connected with a first conveying roller 11, the lower end in the conveying frame 10 is rotationally connected with a second conveying roller 12, the upper end on one side of the conveying frame 10 is rotationally connected with a first transmission gear 13, one side of the first transmission gear 13 is fixedly connected with the first conveying roller 11, the lower end on one side of the conveying frame 10 is rotationally connected with a second transmission gear 14, one side of the second transmission gear 14 is fixedly connected with the second conveying roller 12, the first transmission gear 13 is meshed with the second transmission gear 14, the other side of the conveying frame 10 is fixedly connected with a driving motor 15, and the power end of the driving motor 15 is fixedly connected with the first conveying roller 11 and conveys the cold-rolled strip steel through the reverse rotation of the first conveying roller 11 and the second conveying roller 12.
The adjustment mechanism includes fixed seat 16 of fixed connection at workstation 1 upper surface middle-end opposite side, the inside threaded connection of fixed seat 16 has threaded rod 17, the one end rotation of threaded rod 17 is connected with removes seat 18, remove seat 18 swing joint in workstation 1, the upper end and the lower extreme of removing seat 18 one side all rotate be connected with connect the second of inserted block 4 looks adaptation and connect the draw-in groove piece 19, one side fixedly connected with rotating electrical machines 30 of removal seat 18, rotating electrical machines 30's power end fixed connection is in one of them second and connect draw-in groove piece 19, threaded rod 17's the other end fixedly connected with handle 31, carry out demountable installation to cleaning brush pole 5 through the setting of first connection draw-in groove piece 3, connect inserted block 4 and second connection draw-in groove piece 19.
The upper end of one side of the mounting plate 2 is rotationally connected with a third transmission gear 20, one side of the third transmission gear 20 is fixedly connected with one of the first connecting clamping groove blocks 3, the lower end of one side of the mounting plate 2 is rotationally connected with a fourth transmission gear 21, one side of the fourth transmission gear 21 is fixedly connected with the other first connecting clamping groove block 3, the third transmission gear 20 is meshed with the fourth transmission gear 21, and the two cleaning brush rods 5 are driven to rotate through the arrangement of the third transmission gear 20 and the fourth transmission gear 21.
The cleaning mechanism comprises a plurality of cleaning pipes 22 fixedly connected inside the cleaning box 6, a plurality of cleaning spray heads 23 fixedly connected with the surfaces of the cleaning pipes 22, a water pump 24 fixedly connected with the upper surface of the base 9, a water delivery pipe 25 fixedly connected with the water outlet end of the water pump 24, and the other end of the water delivery pipe 25 is fixedly connected with the cleaning pipes 22, and the cold-rolled strip steel is washed through the arrangement of the cleaning spray heads 23.
The upper surface fixedly connected with sewage case 26 of base 9, the water drainage tank 27 has been seted up to one side of workstation 1 upper surface, and water drainage tank 27's lower extreme fixed connection is in sewage case 26, and the opposite side fixedly connected with industry dust catcher 28 of base 9 upper surface, and dust absorption mouth 29 has been seted up to the opposite side of workstation 1 upper surface, and dust absorption mouth 29's lower extreme fixed connection is in industry dust catcher 28, retrieves dust and sewage that the clearance produced through the setting of sewage case 26 and industry dust catcher 28.
When the cleaning brush rod cleaning device is used, firstly, one end of cold-rolled strip steel passes through a space between a first conveying roller 11 and a second conveying roller 12, which are close to a cleaning brush rod 5, on a workbench 1, a driving motor 15 is started to drive the first conveying roller 11 to rotate, the first conveying roller 11 drives a second transmission gear 14 and the second conveying roller 12 to reversely rotate through a first transmission gear 13, so that the cold-rolled strip steel is conveyed to the other side of the workbench 1, secondly, one end of the cold-rolled strip steel passes through a space between two cleaning brush rods 5, a rotating motor 30 is started to drive a second connecting clamping groove block 19, a connecting inserting block 4 and the cleaning brush rod 5 at the upper end to rotate, and a cleaning brush rod 5 at the lower end is driven to reversely rotate through a third transmission gear 20 and a fourth transmission gear 21, so that the cold-rolled strip steel is cleaned, and meanwhile, an industrial dust cleaner 28 is started to recover cleaned dust through a dust collection opening 29.
Then cold-rolled strip steel passes through the entering and exiting groove 7 from the cleaning box 6, the water pump 24 is connected with a water source, the water pump 24 is started to input the water source into the cleaning pipe 22 through the water pipe 25, finally the upper side and the lower side of the cold-rolled strip steel are sprayed out from the cleaning spray head 23 to be washed, the washed sewage enters the sewage box 26 through the water drainage groove 27, one end of the cold-rolled strip steel enters between the first conveying roller 11 and the second conveying roller 12 at the other end on the workbench 1 after the cleaning is finished, and the process is continued until all the cold-rolled strip steel are cleaned.
Finally, when the cold-rolled strip steel is cleaned, the handle 31 is rotated to drive the threaded rod 17 to rotate, the movable seat 18 is driven to move on the workbench 1, the fixing of the first connecting clamping groove block 3 and the second connecting clamping groove block 19 to the cleaning brush rod 5 is released, the cleaning brush rod 5 is taken out from between the first connecting clamping groove block 3 and the second connecting clamping groove block 19, the cleaning brush rod 5 is cleaned and maintained, the connecting plug block 4 at one end of the cleaning brush rod 5 is inserted into the first connecting clamping groove block 3 after cleaning, and the handle 31 is rotated again to drive the movable seat 18 to move until the second connecting clamping groove block 19 is connected with the connecting plug block 4 at the other end of the cleaning brush rod 5, so that the cleaning brush rod 5 is installed on the device.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a cold-rolled belted steel surface cleaning device, includes workstation (1), its characterized in that, the equal fixedly connected with conveying mechanism in both ends of workstation (1) upper surface, one side fixedly connected with mounting panel (2) of workstation (1) upper surface middle-end, one side rotation of mounting panel (2) is connected with two first connection draw-in groove pieces (3), two the inside of first connection draw-in groove piece (3) is all pegged graft and is connected with insert piece (4), one side fixedly connected with cleaning brush pole (5) of connecting insert piece (4), the opposite side fixedly connected with adjustment mechanism of workstation (1) upper surface middle-end, the upper surface fixedly connected with washs case (6) of workstation (1), the front and the back of wasing case (6) all have been seted up access groove (7), the inside fixedly connected with wiper mechanism of washs case (6), the lower surface fixedly connected with two backup pads (8), two the lower surface fixedly connected with same base (9) of backup pad (8).
2. The cold-rolled strip steel surface cleaning device according to claim 1, wherein the conveying mechanism comprises a conveying frame (10) fixedly connected to two ends of the workbench (1), a first conveying roller (11) is rotatably connected to the upper end inside the conveying frame (10), a second conveying roller (12) is rotatably connected to the lower end inside the conveying frame (10), a first transmission gear (13) is rotatably connected to the upper end on one side of the conveying frame (10), one side of the first transmission gear (13) is fixedly connected to the first conveying roller (11), a second transmission gear (14) is rotatably connected to the lower end on one side of the conveying frame (10), one side of the second transmission gear (14) is fixedly connected to the second conveying roller (12), the first transmission gear (13) is meshed with the second transmission gear (14), a driving motor (15) is fixedly connected to the other side of the conveying frame (10), and the power end of the driving motor (15) is fixedly connected to the first conveying roller (11).
3. The cold-rolled strip steel surface cleaning device according to claim 1, wherein the adjusting mechanism comprises a fixed seat (16) fixedly connected to the other side of the middle end of the upper surface of the workbench (1), a threaded rod (17) is connected to the inner thread of the fixed seat (16), one end of the threaded rod (17) is rotatably connected with a movable seat (18), the movable seat (18) is movably connected to the workbench (1), the upper end and the lower end of one side of the movable seat (18) are rotatably connected with a second connecting clamping groove block (19) matched with the connecting plug block (4), one side of the movable seat (18) is fixedly connected with a rotating motor (30), the power end of the rotating motor (30) is fixedly connected to one of the second connecting clamping groove blocks (19), and the other end of the threaded rod (17) is fixedly connected with a handle (31).
4. The cold-rolled strip steel surface cleaning device according to claim 1, wherein a third transmission gear (20) is rotatably connected to the upper end of one side of the mounting plate (2), one side of the third transmission gear (20) is fixedly connected to one of the first connecting clamping groove blocks (3), a fourth transmission gear (21) is rotatably connected to the lower end of one side of the mounting plate (2), one side of the fourth transmission gear (21) is fixedly connected to the other first connecting clamping groove block (3), and the third transmission gear (20) and the fourth transmission gear (21) are meshed.
5. The cold-rolled strip steel surface cleaning device according to claim 1, wherein the cleaning mechanism comprises a plurality of cleaning pipes (22) fixedly connected inside the cleaning box (6), a plurality of cleaning spray heads (23) are fixedly connected to the surfaces of the cleaning pipes (22), a water pump (24) is fixedly connected to the upper surface of the base (9), a water delivery pipe (25) is fixedly connected to the water outlet end of the water pump (24), and the other end of the water delivery pipe (25) is fixedly connected to the cleaning pipes (22).
6. The cold-rolled strip steel surface cleaning device according to claim 1, wherein the upper surface of the base (9) is fixedly connected with a sewage tank (26), one side of the upper surface of the workbench (1) is provided with a drainage groove (27), the lower end of the drainage groove (27) is fixedly connected with the sewage tank (26), the other side of the upper surface of the base (9) is fixedly connected with an industrial dust collector (28), the other side of the upper surface of the workbench (1) is provided with a dust collection opening (29), and the lower end of the dust collection opening (29) is fixedly connected with the industrial dust collector (28).
CN202422404174.6U 2024-09-30 2024-09-30 A cold-rolled strip surface cleaning device Active CN223128937U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202422404174.6U CN223128937U (en) 2024-09-30 2024-09-30 A cold-rolled strip surface cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202422404174.6U CN223128937U (en) 2024-09-30 2024-09-30 A cold-rolled strip surface cleaning device

Publications (1)

Publication Number Publication Date
CN223128937U true CN223128937U (en) 2025-07-22

Family

ID=96420120

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202422404174.6U Active CN223128937U (en) 2024-09-30 2024-09-30 A cold-rolled strip surface cleaning device

Country Status (1)

Country Link
CN (1) CN223128937U (en)

Similar Documents

Publication Publication Date Title
WO2021068451A1 (en) Steel plate descaling device
CN210847333U (en) Auxiliary cleaning mechanism for screen printing screen plate
CN206064939U (en) A kind of solar energy vacuum tube high-efficiency scale cleaning plant
CN223128937U (en) A cold-rolled strip surface cleaning device
CN216369103U (en) Surface cleaning device for cold-rolled strip
CN221328904U (en) Photovoltaic module surface cleaning device
CN109504979B (en) Preposed processing device for pickling steel coil
CN219073694U (en) Template cleaning equipment for building engineering
CN211386115U (en) Magnet washing unit
CN213967945U (en) Spraying and flushing device for aluminum plate machining
CN208495150U (en) A kind of old and useless battery cleaning device
CN219664520U (en) Cleaning equipment for metal surface treatment
CN218014627U (en) Welding cold-drawn steel tube processing device
CN223128764U (en) A purge unit after pickling for stainless steel band steel
CN217141430U (en) Quick belt cleaning device of optical glass
CN112823929A (en) Cleaning device for textile machinery
CN218079175U (en) Dust collector for photovoltaic power plant subassembly
CN223268896U (en) Dust collector of shearing machine
CN216705198U (en) Novel solar panel self-cleaning device
CN222998522U (en) A dust-proof structure for heavy calcium carbonate processing
CN216262136U (en) Precision positioning T-shaped nut integrated forming device
CN219169697U (en) Steel rolling guide roller milling device with debris collecting function
CN218941045U (en) Solar cell panel cleaning device
CN215036098U (en) Surface polishing treatment device for stainless steel plate
CN221086735U (en) Cold rolling mill roll surface foreign matter clear away subassembly

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant