CN212885698U - Wood carving machine with dust removal device - Google Patents

Wood carving machine with dust removal device Download PDF

Info

Publication number
CN212885698U
CN212885698U CN202021752169.XU CN202021752169U CN212885698U CN 212885698 U CN212885698 U CN 212885698U CN 202021752169 U CN202021752169 U CN 202021752169U CN 212885698 U CN212885698 U CN 212885698U
Authority
CN
China
Prior art keywords
fixedly connected
dust
carving machine
dust collection
filter screen
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
Application number
CN202021752169.XU
Other languages
Chinese (zh)
Inventor
侯丙涛
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 Saidiao Cnc Equipment Co ltd
Original Assignee
Shandong Saidiao Cnc Equipment 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 Saidiao Cnc Equipment Co ltd filed Critical Shandong Saidiao Cnc Equipment Co ltd
Priority to CN202021752169.XU priority Critical patent/CN212885698U/en
Application granted granted Critical
Publication of CN212885698U publication Critical patent/CN212885698U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The utility model belongs to the field of engraving devices, in particular to a wood engraving machine with a dust removal device, which can only process one position aiming at the prior dust removal, has poor dust removal effect and can not replace and clean a filter screen, and proposes the following proposal, which comprises a main body of the engraving machine, wherein the top of the main body of the engraving machine is fixedly connected with a flange, a plurality of pin holes are symmetrically arranged on the flange, round holes are arranged in the flange and are communicated with the main body of the engraving machine, the top of the flange is fixedly connected with a fixed frame, and the top of the fixed frame is fixedly connected with a motor, the utility model has reasonable structure, the dust suction pipe can reciprocate left and right through the work of the motor, the dust removal area is enlarged, the dust removal effect is good, and simultaneously, the filter screen can be taken down to be cleaned or replaced, and the filter screen can be prevented from being blocked by, causes incomplete dust removal and has stronger practicability.

Description

Wood carving machine with dust removal device
Technical Field
The utility model relates to an engraving device technical field especially relates to a timber engraver with dust collector.
Background
The wood carving machine is generally used for cutting and carving of wood processing, the wood material carving mode can be divided into three modes of cutting carving, female die carving and male die carving, the material removing principle of laser carving is the same as that of laser cutting, a plurality of uncut cutting grooves are connected together to form material removing in an area, the cross section of each laser cutting groove is in a V shape, the lower the cutting speed is, the higher the laser current is, the larger the width and the depth of the cutting groove is, and the influence degree of the cutting speed and the laser current on the depth of the cutting groove is larger than that of the cutting groove.
Notice No. is CN208682485U chinese patent and relates to the engraver technique, discloses a timber engraver with dust collector, include processing platform, support, carving tool and blow dirt pipe, the support is striden and is strideed on the processing bench, installs the sculpture case on the support, and the bottom of sculpture case is installed and is used for carrying out the carving tool that processes to the work piece, installs on the support and blows dirt pipe, blows dirt pipe and is connected with outside high pressurized air source, and the processing bench has seted up the collecting vat, the processing bench is inside still to be equipped with an album bits storehouse, and an album bits storehouse passes through the chip removal passageway with the collecting vat and is connected, collection bits storehouse still is connected with the outlet duct, installs the fan on the outlet duct, the beneficial effects of the utility model are that: can collect saw-dust, dust etc. that the carving tool during operation produced, the centralized processing of being convenient for guarantees operational environment's clean and tidy.
Dust removal can only be handled a position among this technical scheme, and the dust removal effect is not good, and can not change and clear up the filter screen, so we provide a timber engraver with dust collector for solve the above-mentioned problem that proposes.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the dust removal can only be carried out on one position in the prior art, the dust removal effect is not good, the filter screen cannot be replaced and cleaned, and the provided wood carving machine with the dust removal device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a wood carving machine with a dust removing device comprises a carving machine main body, wherein a flange is fixedly connected to the top of the carving machine main body, a plurality of pin holes are symmetrically formed in the flange, a round hole is formed in the flange and is communicated with the carving machine main body, a fixing frame is fixedly connected to the top of the flange, a motor is fixedly connected to the top of the fixing frame, a half gear is fixedly sleeved on an output shaft of the motor, a rack is slidably connected to the top of the fixing frame and is meshed with the rack, a dust removing fan is fixedly connected to the bottom of the rack, an input end of the dust removing fan is fixedly connected with a telescopic pipe in a sealing mode, one end of the telescopic pipe is fixedly connected with a dust collecting box in a sealing mode, a dust collecting pipe is fixedly connected to the bottom of the dust collecting box in a sealing mode, one end of the dust collecting pipe extends, the top of dust collection box rotates and is connected with the chamber door, one side fixedly connected with install bin of dust collection box can make the dust absorption pipe carry out reciprocating motion about through the work of motor, enlarges the dust removal area, and dust removal effect is good, can take out the filter screen simultaneously and clear up or change, and convenient and fast has solved current inconvenient problem to the filter screen clearance.
Preferably, two sliding chutes are symmetrically formed in the top of the fixing frame, two sliding plates are symmetrically and fixedly connected to the top of the rack, the top of each sliding plate extends into the corresponding sliding chute and is in sliding connection with the inner wall of the top of the corresponding sliding chute, second springs are fixedly connected to the two sides of each sliding plate, one ends, far away from each other, of the two second springs are fixedly connected with the inner walls of the two sides of the corresponding sliding chute respectively, the sliding plates are arranged, the rack can be supported, the rack can be conveniently moved, and the second springs can provide reset power for the rack.
Preferably, a fixed plate is fixedly connected to the inner wall of the bottom of the installation box, a threaded rod is rotatably connected to the top of the fixed plate, the top end of the threaded rod extends to the upper part of the top of the installation box, a threaded plate is in threaded connection to the threaded rod, connecting rods are rotatably connected to both sides of the threaded plate, a moving plate is slidably connected to the installation box, one ends of the two connecting rods are respectively rotatably connected to the inner wall of one side of the installation box and one side of the moving plate, a bayonet lock is fixedly connected to the other side of the moving plate, one end of the bayonet lock penetrates through the inner wall of the other side of the installation box and extends into the dust collection box, a clamping groove is formed in one side of the filter screen, the bayonet lock is clamped with the clamping groove, a rectangular strip is fixedly connected to the other side of the filter screen, the movable plate can be moved, and the filter screen is conveniently detached.
Preferably, fixedly connected with slide bar in the installation box, sliding sleeve is equipped with the sliding sleeve on the slide bar, the bottom of sliding sleeve and the top fixed connection of movable plate, the bottom of movable plate and the bottom inner wall sliding connection of installation box through slide bar and sliding sleeve, can make things convenient for the movable plate to remove, make the removal can not take place the offset.
Preferably, one side of the fixed plate is fixedly connected with a first spring, one end of the first spring is fixedly connected with one side of the movable plate, and the first spring is arranged to provide reset power for the movable plate.
The utility model discloses in, a timber engraver with dust collector, owing to set up the motor, can make half gear revolve, half gear revolve can make the rack carry out reciprocating motion about, and then can make dust exhausting fan drive the dust absorption pipe and carry out the side-to-side motion, just so can carry out the dust absorption to different positions in the engraver main part, enlarge the dust removal area, dust removal effect is good.
Owing to set up the threaded shaft, through rotating the threaded shaft, can make the screw plate remove, and then can make the connecting rod drive the movable plate and remove for bayonet lock and draw-in groove break away from and clamp, just so can take out the filter screen and clear up or change, convenient and fast has solved current inconvenient problem to the filter screen clearance.
The utility model discloses it is rational in infrastructure, can make the dust absorption pipe control reciprocating motion through the work of motor, enlarge the dust removal area, dust removal effect is good, can take off the filter screen simultaneously and clear up or change, prevents that the filter screen from using for a long time and can be blockked up by the dust, causes to remove dust not thoroughly, has stronger practicality.
Drawings
Fig. 1 is a schematic view of a wood carving machine with a dust removing device according to the present invention;
fig. 2 is a schematic structural view of a flange of a wood carving machine with a dust removing device provided by the utility model;
fig. 3 is the utility model provides a mounting box and dust collection box structure sketch map of timber engraver with dust collector.
Fig. 4 is the enlarged schematic structural diagram of part a of the wood carving machine with the dust removing device of the present invention.
In the figure: 1 carving machine main part, 2 flanges, 3 pin holes, 4 round holes, 5 fixing frames, 6 motors, 7 half gears, 8 racks, 9 first springs, 10 dust removal fans, 11 extension pipes, 12 dust collection boxes, 13 dust collection pipes, 14 sliding plates, 15 second springs, 16 installation boxes, 17 fixing plates, 18 threaded rods, 19 threaded plates, 20 connecting rods, 21 filter screens, 22 moving plates, 23 bayonet locks, 24 sliding rods and 25 sliding sleeves.
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.
Example one
Referring to fig. 1-4, a wood carving machine with a dust removing device comprises a carving machine main body 1, a flange 2 is fixedly connected to the top of the carving machine main body 1, a plurality of pin holes 3 are symmetrically formed in the flange 2, a round hole 4 is formed in the flange 2, the round hole 4 is communicated with the carving machine main body 1, a fixed mount 5 is fixedly connected to the top of the flange 2, a motor 6 is fixedly connected to the top of the fixed mount 5, a half gear 7 is fixedly sleeved on an output shaft of the motor 6, a rack 8 is slidably connected to the top of the fixed mount 5, the half gear 7 is meshed with the rack 8, a dust removing fan 10 is fixedly connected to the bottom of the rack 8, an input end of the dust removing fan 10 is fixedly connected with a telescopic pipe 11 in a sealing manner, one end of the telescopic pipe 11 is fixedly connected with a dust collecting box 12 in a sealing manner, a, the filter screen 21 is movably clamped in the dust collection box 12, the top of the dust collection box 12 is rotatably connected with a box door, and one side of the dust collection box 12 is fixedly connected with an installation box 16.
The utility model discloses in, two spouts have been seted up to the top symmetry of mount 5, two sliding plates 14 of the top symmetry fixedly connected with of rack 8, the top of sliding plate 14 extend to in the spout and with the top inner wall sliding connection of spout, the equal fixedly connected with second spring 15 in both sides of sliding plate 14, the one end that two second springs 15 kept away from each other respectively with the both sides inner wall fixed connection of spout.
The utility model discloses in, fixedly connected with fixed plate 17 on the bottom inner wall of install bin 16, the top of fixed plate 17 is rotated and is connected with threaded rod 18, the top of threaded rod 18 extends to install bin 16's top, threaded connection has screw plate 19 on the threaded rod 18, screw plate 19's both sides are all rotated and are connected with connecting rod 20, sliding connection has movable plate 22 in the install bin 16, two connecting rod 20's one end is rotated with one side inner wall of install bin 16 and one side of movable plate 22 respectively and is connected, movable plate 22's opposite side fixedly connected with bayonet lock 23, bayonet lock 23's one end runs through install bin 16's opposite side inner wall and extends to in the dust collection box 12, the draw-in groove has been seted up to one side of filter screen 21, bayonet lock 23 and draw-in groove looks card dress, filter screen 21's opposite side fixedly connected with rectangular strip.
The utility model discloses in, fixedly connected with slide bar 24 in the install bin 16, the sliding sleeve is equipped with sliding sleeve 25 on the slide bar 24, sliding sleeve 25's bottom and movable plate 22's top fixed connection, movable plate 22's bottom and install bin 16's bottom inner wall sliding connection.
The utility model discloses in, the first spring 9 of one side fixedly connected with of fixed plate 17, one end of first spring 9 and one side fixed connection of movable plate 22.
Example two
Referring to fig. 1-4, a wood carving machine with a dust removing device comprises a carving machine main body 1, a flange 2 is fixed on the top of the carving machine main body 1 through bolts, a plurality of pin holes 3 are symmetrically formed on the flange 2, a round hole 4 is formed in the flange 2, the round hole 4 is communicated with the carving machine main body 1, a fixed frame 5 is welded on the top of the flange 2, a motor 6 is welded on the top of the fixed frame 5, a half gear 7 is fixedly sleeved on an output shaft of the motor 6, a rack 8 is slidably connected on the top of the fixed frame 5, the half gear 7 is meshed with the rack 8, a dust removing fan 10 is welded on the bottom of the rack 8, an input end of the dust removing fan 10 is hermetically welded with an extension tube 11, one end of the extension tube 11 is hermetically welded with a dust collecting box 12, a dust collecting tube 13 is hermetically welded on the bottom of the dust collecting box 12, one end, the top of the dust collection box 12 is rotatably connected with a box door, one side of the dust collection box 12 is welded with a mounting box 16, the dust collection pipe 13 can reciprocate left and right through the work of the motor 6, the dust collection area is enlarged, the dust collection effect is good, meanwhile, the filter screen 21 can be taken out for cleaning or replacing, the cleaning machine is convenient and rapid, the problem that the filter screen 21 is inconvenient to clean in the prior art is solved, because the motor 6 is arranged, the half gear 7 can rotate to reciprocate left and right the rack 8, and further the dust collection fan 10 can drive the dust collection pipe 13 to move left and right, thus, dust collection can be carried out on different positions in the engraving machine main body 1, the dust collection area is enlarged, the dust collection effect is good, because the threaded shaft 18 is arranged, the movable plate 19 can be moved by rotating the threaded shaft 18, and further the connecting rod 20 can, make bayonet lock 23 and draw-in groove break away from clamping, just so can take out filter screen 21 and clear up or change, convenient and fast has solved the current inconvenient problem of clearing up filter screen 21, the utility model discloses rational in infrastructure, reciprocating motion about work through motor 6 can make dust absorption pipe 13 carry out, enlarges the dust removal area, and dust removal effect is good, can take off filter screen 21 simultaneously and clear up or change, prevents that filter screen 21 from using for a long time and can be blockked up by the dust, causes the dust removal thoroughly, has stronger practicality.
The utility model discloses in, two spouts have been seted up to the top symmetry of mount 5, the top symmetric welding of rack 8 has two sliding plates 14, the top of sliding plate 14 extend to in the spout and with the top inner wall sliding connection of spout, second spring 15 has all been welded to the both sides of sliding plate 14, the one end that two second springs 15 kept away from each other welds with the both sides inner wall of spout respectively mutually, set up sliding plate 14, can play the supporting role to rack 8 and also make things convenient for its removal, second spring 15 can provide the power that resets for rack 8.
In the utility model, a fixed plate 17 is welded on the inner wall of the bottom of an installation box 16, a threaded rod 18 is rotatably connected to the top of the fixed plate 17, the top end of the threaded rod 18 extends to the top of the installation box 16, a threaded plate 19 is connected to the threaded rod 18 in a threaded manner, connecting rods 20 are rotatably connected to both sides of the threaded plate 19, a movable plate 22 is slidably connected in the installation box 16, one ends of the two connecting rods 20 are respectively rotatably connected with the inner wall of one side of the installation box 16 and one side of the movable plate 22, a bayonet 23 is welded on the other side of the movable plate 22, one end of the bayonet 23 penetrates through the inner wall of the other side of the installation box 16 and extends into a dust collection box 12, a clamping groove is formed on one side of a filter screen 21, the bayonet 23 is clamped with the clamping groove, a rectangular strip is welded on the other side, the moving plate 22 can be moved to facilitate the disassembly of the filter screen 21.
The utility model discloses in, the welding has slide bar 24 in the install bin 16, and sliding sleeve is equipped with sliding sleeve 25 on the slide bar 24, and sliding sleeve 25's bottom and movable plate 22's top welding, movable plate 22's bottom and install bin 16's bottom inner wall sliding connection, through slide bar 24 and sliding sleeve 25, can make things convenient for movable plate 22 to remove, make the removal can not take place the skew.
The utility model discloses in, the welding of one side of fixed plate 17 has first spring 9, and one end of first spring 9 welds mutually with one side of movable plate 22, sets up first spring 9, can provide reset power for movable plate 22.
In the utility model, when in use, the flange 2 is firstly fixed on the engraving machine main body 1 through the pin hole 3, the engraving machine main body 1 can generate dust when in work, at the moment, the motor 6 and the dust removing fan 10 are opened to enable the motor 6 to rotate positively and negatively, when the motor 6 rotates positively, the output shaft of the motor 6 can drive the half gear 7 to rotate, the half gear 7 rotates to drive the rack 8 to move, at the moment, one sliding plate 14 can compress the second spring 15, when the half gear 7 is not meshed with the rack 8, the rack 8 is restored to the original position under the action of the second spring 15, then the motor 6 rotates reversely, the rack 8 can move towards the other direction, and further another sliding plate 14 can compress the second spring 15, so that the rack 8 can do reciprocating motion from left to right, the reciprocating motion from left to right can drive the dust removing fan 10 to do reciprocating motion from left to right, the dust removing fan 10 can drive the dust collecting pipe 13, just so can remove dust to different positions in engraver main part 1, the dust removal effect is good, the dust that dust absorption pipe 13 was inhaled can be through the filtration of filter screen 21, clean air is discharged through dust exhausting fan 10's output, just so can not cause the injury to the human body, when needing to clear up filter screen 21 or change, rotate threaded rod 18, because threaded rod 18 is threaded connection with screw plate 19, so threaded rod 18 rotates and can make screw plate 19 rise, screw plate 19 rises and can make connecting rod 20 drive movable plate 22 remove, first spring 9 is in compression state this moment, movable plate 22 removes clamping that can make bayonet lock 23 break away from the draw-in groove and clamps, then open the chamber door, just can take out filter screen 21 and clear up or change.
The above, only be the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is familiar with the technical field of the present invention in the technical scope disclosed by the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered by the protection scope of the present invention.

Claims (5)

1. The wood carving machine with the dust removing device comprises a carving machine main body (1) and is characterized in that a flange (2) is fixedly connected to the top of the carving machine main body (1), a plurality of pin holes (3) are symmetrically formed in the flange (2), a round hole (4) is formed in the flange (2), the round hole (4) is communicated with the carving machine main body (1), a fixing frame (5) is fixedly connected to the top of the flange (2), a motor (6) is fixedly connected to the top of the fixing frame (5), a half gear (7) is fixedly sleeved on an output shaft of the motor (6), a rack (8) is slidably connected to the top of the fixing frame (5), the half gear (7) is meshed with the rack (8), a dust removing fan (10) is fixedly connected to the bottom of the rack (8), and a telescopic pipe (11) is fixedly connected to the input end of the dust removing fan (10) in a sealing mode, one end of the telescopic pipe (11) is fixedly connected with a dust collection box (12) in a sealing mode, the bottom of the dust collection box (12) is fixedly connected with a dust collection pipe (13) in a sealing mode, one end of the dust collection pipe (13) extends into the engraving machine main body (1), a filter screen (21) is movably clamped in the dust collection box (12), the top of the dust collection box (12) is rotatably connected with a box door, and one side of the dust collection box (12) is fixedly connected with a mounting box (16).
2. The wood carving machine with the dust removing device according to claim 1, characterized in that two sliding grooves are symmetrically formed in the top of the fixing frame (5), two sliding plates (14) are symmetrically and fixedly connected to the top of the rack (8), the top of each sliding plate (14) extends into the corresponding sliding groove and is slidably connected to the inner wall of the top of the corresponding sliding groove, second springs (15) are fixedly connected to both sides of each sliding plate (14), and ends, away from each other, of the two second springs (15) are fixedly connected to the inner walls of the corresponding sliding groove.
3. The wood carving machine with the dust removing device is characterized in that a fixed plate (17) is fixedly connected to the inner wall of the bottom of the installation box (16), a threaded rod (18) is rotatably connected to the top of the fixed plate (17), the top end of the threaded rod (18) extends to the position above the top of the installation box (16), a threaded plate (19) is in threaded connection with the threaded rod (18), connecting rods (20) are rotatably connected to both sides of the threaded plate (19), a moving plate (22) is slidably connected to the installation box (16), one ends of the two connecting rods (20) are respectively rotatably connected with the inner wall of one side of the installation box (16) and one side of the moving plate (22), a bayonet (23) is fixedly connected to the other side of the moving plate (22), one end of the bayonet (23) penetrates through the inner wall of the other side of the installation box (16) and extends into the dust collection box (12), the filter screen is characterized in that one side of the filter screen (21) is provided with a clamping groove, the clamping pin (23) is clamped with the clamping groove, the other side of the filter screen (21) is fixedly connected with a rectangular strip, the inner wall of one side of the dust collection box (12) is provided with a rectangular groove, and the rectangular strip extends into the rectangular groove.
4. The wood carving machine with the dust removing device according to claim 1, characterized in that a sliding rod (24) is fixedly connected in the installation box (16), a sliding sleeve (25) is slidably sleeved on the sliding rod (24), the bottom of the sliding sleeve (25) is fixedly connected with the top of the moving plate (22), and the bottom of the moving plate (22) is slidably connected with the inner wall of the bottom of the installation box (16).
5. The wood carving machine with the dust removing device according to claim 3, characterized in that a first spring (9) is fixedly connected to one side of the fixed plate (17), and one end of the first spring (9) is fixedly connected to one side of the moving plate (22).
CN202021752169.XU 2020-08-20 2020-08-20 Wood carving machine with dust removal device Expired - Fee Related CN212885698U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021752169.XU CN212885698U (en) 2020-08-20 2020-08-20 Wood carving machine with dust removal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021752169.XU CN212885698U (en) 2020-08-20 2020-08-20 Wood carving machine with dust removal device

Publications (1)

Publication Number Publication Date
CN212885698U true CN212885698U (en) 2021-04-06

Family

ID=75246474

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021752169.XU Expired - Fee Related CN212885698U (en) 2020-08-20 2020-08-20 Wood carving machine with dust removal device

Country Status (1)

Country Link
CN (1) CN212885698U (en)

Similar Documents

Publication Publication Date Title
CN108372333B (en) A kind of entirety gantry type water Cutting platform
CN210306964U (en) Sweeps recovery unit for machining
CN213350520U (en) Electric punch capable of automatically removing dust
CN112495881A (en) Table top scrap cleaning device for production and processing of forged parts
CN108145800A (en) A kind of woodwork processing cutting apparatus
CN205043867U (en) Cutting machine with garbage collection device
CN212885698U (en) Wood carving machine with dust removal device
CN217729239U (en) A drilling equipment for granite processing
CN213351370U (en) Welding device for power distribution cabinet production
CN213257273U (en) Drilling equipment for producing electrical cabinet shell
CN212371741U (en) Waste recovery device of milling machine
CN211541345U (en) Cutting machine convenient to retrieve waste material
CN210413966U (en) Mechanical die surface grinding processing apparatus
CN211053237U (en) Accurate high cleanliness's panel beating numerically controlled fraise machine
CN220994000U (en) Rust removal equipment for hardware processing
CN220481052U (en) Milling machine sweeps cleaning device
CN214922666U (en) Workpiece cleaning device for gantry machining center
CN220740152U (en) Machining table
CN114589818B (en) Chip removal cleaning system for full-automatic graphite processing deep hole drilling machine
CN215746618U (en) Horizontal milling and vertical milling two-in-one equipment
CN216680313U (en) Processingequipment is used in intelligence manufacturing production
CN214115980U (en) Automatic processing equipment of broken hole jeans
CN213104649U (en) Drilling machine for machining
CN213765066U (en) Cutting equipment for machining bottom cover of mechanical arm meter
CN216542359U (en) Burr removing device for wood-plastic board machining with scrap collecting function

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: 20210406

Termination date: 20210820