CN211840611U - Laser engraving machine - Google Patents
Laser engraving machine Download PDFInfo
- Publication number
- CN211840611U CN211840611U CN202020251388.3U CN202020251388U CN211840611U CN 211840611 U CN211840611 U CN 211840611U CN 202020251388 U CN202020251388 U CN 202020251388U CN 211840611 U CN211840611 U CN 211840611U
- Authority
- CN
- China
- Prior art keywords
- workbench
- device body
- wall
- fixedly connected
- box
- 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.)
- Expired - Fee Related
Links
- 238000010147 laser engraving Methods 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 15
- 238000003754 machining Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Abstract
The utility model discloses a laser engraving machine, including device body, first workstation, control panel, laser head and walking case, the top of device body is equipped with the walking case, and is equipped with the laser head on the outer wall of walking case one side to one side of laser head and the outer wall fixed connection of walking case, the device body top of walking case below is equipped with two sets of gag lever posts, and the both ends of gag lever post all with device body inner wall fixed connection, and the top of gag lever post is equipped with the second workstation, the gag lever post top of second workstation one side is equipped with first workstation, and the both ends of gag lever post run through in the bottom of first workstation, the top of first workstation is equipped with two sets of screw thread seats, and the bottom and the first workstation top fixed connection of screw thread seat. The utility model discloses not only realized that the engraver carries out the tight fixing of quick clamp to the work piece, avoided harmful gas contaminated air, improved the efficiency of engraver processing.
Description
Technical Field
The utility model relates to an engraver technical field specifically is a laser engraving machine.
Background
Laser engraving is a marking method which utilizes high-energy-density laser to locally irradiate a workpiece so as to vaporize a surface layer material or generate a chemical reaction with color change, thereby leaving a permanent mark.
The types of carving machines on the market are various and can basically meet the use requirements of people, but certain problems still exist, and the specific problems include the following points:
(1) the existing carving machine is not convenient for the synchronous processing function of the double worktables of the carving machine when in use, thereby seriously influencing the convenience degree of the carving machine when in use;
(2) when the existing carving machine is used, the carving machine is generally inconvenient to quickly clamp and fix a workpiece, so that the working efficiency of the carving machine is greatly influenced;
(3) the existing carving machine is not convenient to filter and remove harmful gas generated by carving when in use, thereby bringing great trouble to people.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a radium-shine engraver of laser to propose the engraver function of being not convenient for the synchronous processing of two workstations of engraver in solving above-mentioned background art, the engraver carries out the quick clamp to the work piece and tightly fixes, is not convenient for carry out the problem that filters the detach to the harmful gas that the sculpture produced.
In order to achieve the above object, the utility model provides a following technical scheme: a laser engraving machine comprises a device body, a first workbench, a control panel, a laser head and a walking box, wherein the top end of the device body is provided with the walking box, the outer wall of one side of the walking box is provided with the laser head, one side of the laser head is fixedly connected with the outer wall of the walking box, the top end of the device body below the walking box is provided with two groups of limiting rods, two ends of each limiting rod are fixedly connected with the inner wall of the device body, the top end of each limiting rod is provided with a second workbench, the top end of the limiting rod on one side of the second workbench is provided with a first workbench, two ends of each limiting rod penetrate through the bottom end of the first workbench, the top end of the first workbench is provided with two groups of thread seats, the bottom end of each thread seat is fixedly connected with the top end of the first workbench, the top end of the first workbench on one side of each thread seat is provided with two groups of clamping mechanisms, the top end, install servo motor on the device body outer wall of gag lever post one side, and keep away from servo motor on the device body outer wall and install control panel to the output of the inside singlechip of control panel and servo motor's input electric connection.
Preferably, the output end of the servo motor is provided with a rotating shaft through a coupler, a screw rod body is arranged inside the device body on one side of the rotating shaft, one end of the screw rod body is fixedly connected with the rotating shaft, and the workbench is provided with a driving mechanism.
Preferably, the other end of the screw rod body is fixedly connected with the inner wall of the device body, two groups of screw rod sleeves are sleeved on the surface of the screw rod body, and the top ends of the screw rod sleeves are fixedly connected with the second workbench to limit the workbench.
Preferably, be equipped with on the outer wall of laser head one side and collect the cover, and the top and the laser head outer wall fixed connection of collecting the cover to the top of collecting the cover is equipped with the air exhauster, realizes the collection to harmful gas.
Preferably, the bottom of air exhauster and collection cover top end fixed connection, and be equipped with the purifying box on the device body outer wall of air exhauster below to one side and the device body outer wall fixed connection of purifying box realize the filtration to harmful gas.
Preferably, the inside of purifying box is equipped with the filter screen, and is equipped with the transmission hose on the purifying box outer wall of filter screen one side to the one end of transmission hose extends to the inside of air exhauster, and the top and the transmission hose fixed connection of air exhauster realize harmful gas's transmission.
Preferably, fixture's inside threaded rod, handle, clamp plate, push rod, supporting box and supporting spring have set gradually, the inside of screw thread seat is equipped with the threaded rod, and the one end that the threaded rod is close to the product body is equipped with the clamp plate to the one end that the clamp plate was kept away from to the threaded rod is equipped with the handle, and the one end and the threaded rod fixed connection of handle realize fixture's stable in structure and be connected.
Preferably, the top end of the first workbench on one side of the product body is provided with four groups of supporting boxes, the bottom ends of the supporting boxes are fixedly connected with the top end of the first workbench, and the push rods are arranged in the supporting boxes, so that the workbench is stably connected with the push rods.
Preferably, the both ends of push rod all extend to the outside of supporting box, and the push rod is close to the one end of supporting box and is fixed with and pushes away the handle to push away the inside supporting spring that is equipped with of supporting box on one side of the handle, supporting spring's one end and push rod fixed connection, and supporting spring's the other end and supporting box fixed connection realize that the engraver presss from both sides fast and presss from both sides tight fixedly to the work piece.
Compared with the prior art, the beneficial effects of the utility model are that: the laser engraving machine not only realizes the rapid clamping and fixing of the engraving machine on a workpiece, avoids the pollution of harmful gas to air and improves the processing efficiency of the engraving machine;
(1) the product body is placed on the surface of the first workbench or the second workbench through a worker, the second workbench is limited by the limiting rod, the servo motor is started through the operation control panel, the screw rod body is driven to rotate by the rotating shaft, the second workbench is driven to move under the driving of the screw rod sleeve, and the product to be machined is clamped while laser engraving is carried out through the first workbench and the second workbench of the double workbench, so that the synchronous machining function of the double workbenches of the engraving machine is realized, and the machining efficiency of the engraving machine is improved;
(2) through the arrangement of the threaded rod, the handle, the clamping plates, the push rods, the supporting box and the supporting springs, a worker places the product body on the surface of the first workbench, pulls the push handle, the product body is limited and supported by the four groups of push rods under the matching of the supporting springs and the supporting box, and the product body is clamped by the two groups of clamping plates under the matching of the threaded rod and the threaded seat through the rotating handle, so that the carving machine can quickly clamp and fix a workpiece, and the clamping efficiency of the carving machine is improved;
(3) carry out laser engraving to the product body through laser head under the support of walking case, operation control panel opens the air exhauster, absorbs the inside of advancing transmission hose with the flue gas that the laser head sculpture produced through collecting the cover, filters harmful gas by the inside filter screen of purifying box and detach, has realized the engraver to harmful gas's filtration, has avoided harmful gas polluted air.
Drawings
Fig. 1 is a schematic top view of the cross-sectional structure of the present invention;
fig. 2 is a schematic side view of the cross-sectional structure of the present invention;
fig. 3 is a schematic front view of the cross-sectional structure of the present invention;
FIG. 4 is a schematic view of a cross-sectional enlarged structure of the clamping mechanism of the present invention;
fig. 5 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.
In the figure: 1. a device body; 2. a first table; 3. a control panel; 4. a clamping mechanism; 401. a threaded rod; 402. a handle; 403. a clamping plate; 404. a push rod; 405. a support box; 406. a support spring; 407. a push handle; 5. a threaded seat; 6. a product body; 7. a laser head; 8. a walking box; 9. a second table; 10. a rotating shaft; 11. a servo motor; 12. a limiting rod; 13. a screw rod sleeve; 14. a screw rod body; 15. a collection hood; 16. an exhaust fan; 17. a transfer hose; 18. a purification box; 19. and (4) a filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: a laser engraving machine comprises a device body 1, a first workbench 2, a control panel 3, a laser head 7 and a walking box 8, wherein the walking box 8 is arranged at the top end of the device body 1, the laser head 7 is arranged on the outer wall of one side of the walking box 8, the type of the laser head 7 is ZWY-010, the output end of a single chip microcomputer in the control panel 3 is electrically connected with the input end of the laser head 7, a collecting cover 15 is arranged on the outer wall of one side of the laser head 7, the top end of the collecting cover 15 is fixedly connected with the outer wall of the laser head 7, an exhaust fan 16 is arranged at the top end of the collecting cover 15, the type of the exhaust fan 16 is Y9-35-11, the output end of the single chip microcomputer in the control panel 3 is electrically connected with the input end of the exhaust fan 16, the bottom end of the exhaust fan 16 is, one side of the purifying box 18 is fixedly connected with the outer wall of the device body 1, a filter screen 19 is arranged inside the purifying box 18, a transmission hose 17 is arranged on the outer wall of the purifying box 18 on one side of the filter screen 19, one end of the transmission hose 17 extends into the exhaust fan 16, and the top end of the exhaust fan 16 is fixedly connected with the transmission hose 17;
when the product engraving machine is used, the laser head 7 carries out laser engraving on the product body 6 under the support of the walking box 8, the control panel 3 is operated to open the exhaust fan 16, smoke generated by engraving of the laser head 7 is absorbed into the inside of the transmission hose 17 through the collecting cover 15, and harmful gas is filtered and removed by the filter screen 19 in the purifying box 18, so that the harmful gas is filtered by the engraving machine, and the air pollution caused by the harmful gas is avoided;
one side of the laser head 7 is fixedly connected with the outer wall of the walking box 8, two groups of limiting rods 12 are arranged at the top end of the device body 1 below the walking box 8, two ends of each limiting rod 12 are fixedly connected with the inner wall of the device body 1, a second workbench 9 is arranged at the top end of each limiting rod 12, one side of each second workbench 9 is provided with a first workbench 2, two ends of each limiting rod 12 penetrate through the bottom end of the first workbench 2, two groups of thread seats 5 are arranged at the top end of the first workbench 2, the bottom ends of the thread seats 5 are fixedly connected with the top end of the first workbench 2, and two groups of clamping mechanisms 4 are arranged at the top end of the first workbench 2, on one side of each thread seat 5;
the interior of the clamping mechanism 4 is provided with a threaded rod 401, a handle 402, a clamping plate 403, a push rod 404, a supporting box 405 and a supporting spring 406 in sequence, the threaded rod 401 is arranged inside the threaded seat 5, one end of the threaded rod 401 close to the product body 6 is provided with the clamping plate 403, and one end of the threaded rod 401 far away from the clamping plate 403 is provided with a handle 402, one end of the handle 402 is fixedly connected with the threaded rod 401, the top end of the first workbench 2 at one side of the product body 6 is provided with four groups of supporting boxes 405, the bottom ends of the supporting boxes 405 are fixedly connected with the top end of the first workbench 2, and a push rod 404 is arranged inside the support box 405, both ends of the push rod 404 extend to the outside of the support box 405, a push handle 407 is fixed at one end of the push rod 404 close to the support box 405, a supporting spring 406 is arranged in the supporting box 405 on one side of the push handle 407, one end of the supporting spring 406 is fixedly connected with the push rod 404, and the other end of the supporting spring 406 is fixedly connected with the supporting box 405;
when the product body 6 is used, a worker places the product body 6 on the surface of the first workbench 2, pulls the push handle 407, the product body 6 is limited and supported by the four groups of push rods 404 under the matching of the support springs 406 and the support box 405, and the product body 6 is clamped by the two groups of clamping plates 403 under the matching of the threaded rod 401 and the threaded seat 5 by rotating the handle 402, so that the carving machine can quickly clamp and fix a workpiece, and the clamping efficiency of the carving machine is improved;
the top end of a first workbench 2 at one side of a clamping mechanism 4 is provided with a product body 6, the outer wall of a device body 1 at one side of a limiting rod 12 is provided with a servo motor 11, the model of the servo motor 11 is MR-J2S-10A, the output end of a single chip microcomputer in a control panel 3 is electrically connected with the input end of the servo motor 11, the output end of the servo motor 11 is provided with a rotating shaft 10 through a coupler, a screw rod body 14 is arranged in the device body 1 at one side of the rotating shaft 10, one end of the screw rod body 14 is fixedly connected with the rotating shaft 10, the other end of the screw rod body 14 is fixedly connected with the inner wall of the device body 1, the surface of the screw rod body 14 is sleeved with two groups of screw rod sleeves 13, and the;
when the product engraving machine is used, a product body 6 is placed on the surface of the first workbench 2 or the second workbench 9 through a worker, the second workbench 9 is limited by the limiting rod 12, the servo motor 11 is started by operating the control panel 3, the screw rod body 14 is driven to rotate by the rotating shaft 10, the second workbench 9 is driven to move by the screw rod sleeve 13, and the laser engraving is carried out on the product to be machined at the same time through the first workbench 2 and the second workbench 9 of the double workbenches, so that the synchronous machining function of the double workbenches of the engraving machine is realized, and the machining efficiency of the engraving machine is improved;
one side of keeping away from servo motor 11 on the outer wall of device body 1 installs control panel 3 to the output of the inside singlechip of control panel 3 and the input electric connection of servo motor 11.
The working principle is as follows: when the carving machine is used, the external power supply is connected, firstly, a product body 6 is placed on the surface of a first workbench 2 or a second workbench 9 through a worker, the second workbench 9 is limited by a limiting rod 12, a servo motor 11 is started through an operation control panel 3, a screw rod body 14 is driven to rotate through a rotating shaft 10, the second workbench 9 is driven to move under the drive of a screw rod sleeve 13, the laser carving is carried out while a product to be machined is clamped through the first workbench 2 and the second workbench 9 of the double workbenches, the synchronous machining function of the double workbenches of the carving machine is realized, the machining efficiency of the carving machine is improved, then, the product body 6 is placed on the surface of the first workbench 2 through the worker, a push handle is pulled, under the matching of a support spring 406 and a support box 405, the product body 6 is limited and supported through four groups of push rods 404, and the handle 402 is rotated, press from both sides tightly product body 6 by two sets of clamp plates 403 under the cooperation of threaded rod 401 and screw thread seat 5, it is fixed to realize that the engraver carries out the tight clamp fast to the work piece, improve the efficiency of engraver clamping, the rethread carries out laser engraving to product body 6 at laser head 7 under the support of walking case 8, operation control panel 3 opens air exhauster 16, absorb the inside of entering transmission hose 17 through collecting cover 15 with the flue gas that laser head 7 sculpture produced, filter and detach harmful gas by the inside filter screen 19 of purifying box 18, realize the filtration of engraver to harmful gas, avoid harmful gas contaminated air, accomplish the use work of engraver.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
Claims (9)
1. The utility model provides a laser engraving machine, includes device body (1), first workstation (2), control panel (3), laser head (7) and walking case (8), its characterized in that: the device is characterized in that a walking box (8) is arranged at the top end of the device body (1), a laser head (7) is arranged on the outer wall of one side of the walking box (8), one side of the laser head (7) is fixedly connected with the outer wall of the walking box (8), two groups of limiting rods (12) are arranged at the top end of the device body (1) below the walking box (8), two ends of each limiting rod (12) are fixedly connected with the inner wall of the device body (1), a second workbench (9) is arranged at the top end of each limiting rod (12) at one side of the second workbench (9), a first workbench (2) is arranged at the top end of each limiting rod (12), two ends of each limiting rod (12) penetrate through the bottom end of the first workbench (2), two groups of thread seats (5) are arranged at the top end of the first workbench (2), the bottom ends of the thread seats (5) are fixedly connected with the top end of the first workbench (2), and two groups of clamping mechanisms (4) are arranged at the top end of the first workbench (2, the top end of the first workbench (2) on one side of the clamping mechanism (4) is provided with a product body (6), the outer wall of the device body (1) on one side of the limiting rod (12) is provided with a servo motor (11), one side of the outer wall of the device body (1) far away from the servo motor (11) is provided with a control panel (3), and the output end of the single chip microcomputer inside the control panel (3) is electrically connected with the input end of the servo motor (11).
2. The laser engraving machine of claim 1, wherein: the output end of the servo motor (11) is provided with a rotating shaft (10) through a coupler, a screw rod body (14) is arranged inside the device body (1) on one side of the rotating shaft (10), and one end of the screw rod body (14) is fixedly connected with the rotating shaft (10).
3. The laser engraving machine of claim 2, wherein: the other end of the screw rod body (14) is fixedly connected with the inner wall of the device body (1), two groups of screw rod sleeves (13) are sleeved on the surface of the screw rod body (14), and the top ends of the screw rod sleeves (13) are fixedly connected with the second workbench (9).
4. The laser engraving machine of claim 1, wherein: be equipped with on the outer wall of laser head (7) one side and collect cover (15), and the top and laser head (7) outer wall fixed connection of collecting cover (15) to the top of collecting cover (15) is equipped with air exhauster (16).
5. The laser engraving machine of claim 4, wherein: the bottom end of the exhaust fan (16) is fixedly connected with the top end of the collecting cover (15), the outer wall of the device body (1) below the exhaust fan (16) is provided with a purifying box (18), and one side of the purifying box (18) is fixedly connected with the outer wall of the device body (1).
6. The laser engraving machine of claim 5, wherein: the inside of purifying box (18) is equipped with filter screen (19), and is equipped with transmission hose (17) on purifying box (18) outer wall of filter screen (19) one side to the one end of transmission hose (17) extends to the inside of air exhauster (16), the top and the transmission hose (17) fixed connection of air exhauster (16).
7. The laser engraving machine of claim 1, wherein: the inside of fixture (4) has set gradually threaded rod (401), handle (402), clamping plate (403), push rod (404), supporting box (405) and supporting spring (406), the inside of screw thread seat (5) is equipped with threaded rod (401), and threaded rod (401) is close to the one end of product body (6) and is equipped with clamping plate (403) to the one end that clamping plate (403) were kept away from in threaded rod (401) is equipped with handle (402), the one end and threaded rod (401) fixed connection of handle (402).
8. The laser engraving machine of claim 7, wherein: the top end of the first workbench (2) on one side of the product body (6) is provided with four groups of supporting boxes (405), the bottom ends of the supporting boxes (405) are fixedly connected with the top end of the first workbench (2), and push rods (404) are arranged inside the supporting boxes (405).
9. The laser engraving machine of claim 8, wherein: both ends of the push rod (404) extend to the outside of the supporting box (405), one end of the push rod (404) close to the supporting box (405) is fixed with a push handle (407), a supporting spring (406) is arranged inside the supporting box (405) on one side of the push handle (407), one end of the supporting spring (406) is fixedly connected with the push rod (404), and the other end of the supporting spring (406) is fixedly connected with the supporting box (405).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020251388.3U CN211840611U (en) | 2020-03-04 | 2020-03-04 | Laser engraving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020251388.3U CN211840611U (en) | 2020-03-04 | 2020-03-04 | Laser engraving machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211840611U true CN211840611U (en) | 2020-11-03 |
Family
ID=73239242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020251388.3U Expired - Fee Related CN211840611U (en) | 2020-03-04 | 2020-03-04 | Laser engraving machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211840611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112959130A (en) * | 2021-03-05 | 2021-06-15 | 宁波工程学院 | Mechanical electric spark grooving device |
-
2020
- 2020-03-04 CN CN202020251388.3U patent/CN211840611U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112959130A (en) * | 2021-03-05 | 2021-06-15 | 宁波工程学院 | Mechanical electric spark grooving device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211840611U (en) | Laser engraving machine | |
| CN211680535U (en) | Can lock fixed optic fibre intelligence laser marking machine | |
| CN218111153U (en) | Easy-to-operate bottom skin cutting mechanism for autoclaved aerated concrete blocks | |
| CN216176659U (en) | Automatic clamping numerically controlled lathe | |
| CN218426343U (en) | Laser cutting device | |
| CN213441827U (en) | Accurate positioning engraving device for molded door panel | |
| CN212169763U (en) | Dust removing device for machine tool machining | |
| CN211727930U (en) | Promote car light sample engraver of feature of environmental protection | |
| CN212682831U (en) | Laser cutting machine with high machining precision | |
| CN211250404U (en) | Suspended wood carving machine | |
| CN211102490U (en) | Welding device for processing bimetal composite steel pipe | |
| CN210101153U (en) | Numerical control engraving machine of double-Z-axis multi-spindle motor | |
| CN218477361U (en) | Environment-friendly wood artware engraving machine | |
| CN220858519U (en) | Electric welding jig for coil circuit board | |
| CN216000425U (en) | Adjustable is used for machining's workstation | |
| CN217071127U (en) | Laser cutting device for sheet metal machined parts | |
| CN218283344U (en) | Stamping equipment of injection cover production usefulness | |
| CN218612195U (en) | Pipe decomposition plasma cutting machine | |
| CN212907268U (en) | Surface spiral grooving device for resistance value adjustment | |
| CN218874106U (en) | Nondestructive laser scribing machine | |
| CN218777352U (en) | Be used for glyptic multistation engraver of foam | |
| CN218081071U (en) | Mechanical automatic welding device | |
| CN219747109U (en) | Portable CNC engraving machine | |
| CN212635359U (en) | Burnishing device is used in processing of alloy saw bit | |
| CN213702579U (en) | Automatic chamfering and cleaning device used after edge sealing of plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |