CN209754320U - Adjustable fixed bolster for laser cutting machine - Google Patents
Adjustable fixed bolster for laser cutting machine Download PDFInfo
- Publication number
- CN209754320U CN209754320U CN201920529297.9U CN201920529297U CN209754320U CN 209754320 U CN209754320 U CN 209754320U CN 201920529297 U CN201920529297 U CN 201920529297U CN 209754320 U CN209754320 U CN 209754320U
- Authority
- CN
- China
- Prior art keywords
- clamping seat
- laser cutting
- cutting machine
- wire rope
- base
- 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
- 238000003698 laser cutting Methods 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 229910003460 diamond Inorganic materials 0.000 claims description 10
- 239000010432 diamond Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 238000002679 ablation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model discloses an adjustable fixed bolster for laser cutting machine, including base and fixing base, the centre of base is provided with fixed screw, the connection carousel is installed to the top of base, and connects the top of carousel and be connected with the collar, size adjustment mechanism is installed to the centre of fixing base, and the fixing base is located the outside of collar, the left and right sides of fixing base all is provided with the locking hole, and installs the locking button in the centre of locking hole, the outside of fixing base is provided with adjustment handle, size adjustment mechanism's inboard is connected with adjusts fixture, and adjusts fixture's centre and be provided with the rope handling hole, steel wire bearing mechanism is installed to the centre in rope handling hole. This adjustable fixed bolster for laser cutting machine can carry out the omnidirectional rotation, is convenient for adjust the angle of fixed panel, is convenient for carry out the centre gripping moreover fixed, can carry out the bearing to panel simultaneously, prevents that panel from crooked, uses flexibility and cutting accuracy higher.
Description
Technical Field
the utility model relates to a laser cutting device technical field specifically is an adjustable fixed bolster for laser cutting machine.
Background
Laser cutting means that a high-power-density laser beam is used for irradiating a cut material, the material is quickly heated to a vaporization temperature and is vaporized to form a hole, the hole continuously forms a slit with a narrow width along with the movement of the material by the light beam, the cutting of the material is completed, the laser cutting uses the focused high-power-density laser beam to irradiate a workpiece, the irradiated material is rapidly melted, vaporized and ablated or reaches a burning point, and meanwhile, a molten substance is blown off by means of a high-speed airflow coaxial with the light beam, so that the workpiece is cut off, and the laser cutting belongs to one of thermal cutting methods.
Because laser cutting's characteristic, generally be used for cutting panel, and in order to keep being cut the firm of panel, it is fixed to need corresponding fixed bolster to carry out the centre gripping usually, can cause the ablation to the object of panel below during because laser cutting, so generally can only fix the edge of panel, but when panel area is great, panel receives self gravity to influence can be to middle crooked, influence the accuracy of cutting size, be difficult to adjust the angle of panel simultaneously, it is lower to use the flexibility, for this reason, we propose one kind and can carry out the omnidirectional rotation, be convenient for adjust the angle of fixed panel, and be convenient for carry out the centre gripping fixedly, can bear panel simultaneously, prevent that panel is crooked, use the flexibility and the higher adjustable fixed bolster for the laser cutting machine of cutting precision.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adjustable fixed bolster for laser cutting machine, with the characteristic owing to laser cutting who proposes in solving above-mentioned background art, generally be used for cutting panel, and in order to keep being cut the firm of panel, it is fixed to need corresponding fixed bolster to carry out the centre gripping usually, can cause the ablation to the object of panel below because laser cutting during, so generally can only fix the edge of panel, but when the panel area is great, panel receives self gravity to influence can be to the middle bending, influence the accuracy of cutting size, be difficult to adjust the angle of panel simultaneously, use the lower problem of flexibility.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable fixed bolster for laser cutting machine, includes base and fixing base, the centre of base is provided with fixed screw, the connection carousel is installed to the top of base, and connects the top of carousel and be connected with the collar, size adjustment mechanism is installed to the centre of fixing base, and the fixing base is located the outside of collar, the left and right sides of fixing base all is provided with the locking hole, and installs the locking button in the middle of the locking hole, the outside of fixing base is provided with adjustment handle, size adjustment mechanism's inboard is connected with adjusts fixture, and adjusts fixture's centre and be provided with the wire rope handling hole, wire steel wire bearing mechanism is installed to the centre in wire rope handling hole.
Preferably, the size adjusting mechanism comprises a sliding sleeve, a positioning rod, a screw rod, a threaded sleeve and a mounting seat, the positioning rod is nested in the inner side of the sliding sleeve, the screw rod is arranged in the middle of the positioning rod, the threaded sleeve is nested in the outer side of the screw rod, and the mounting seat is connected to the inner end of the screw rod.
preferably, the horizontal center line of the positioning rod is parallel to the horizontal center line of the screw, and the horizontal center lines of the positioning rod are parallel to each other.
Preferably, adjust fixture and include grip slipper, rubber slipmat, spout, removal holder and fixing bolt, and the inboard of grip slipper is provided with the rubber slipmat, the centre of grip slipper is provided with the spout, and the centre of spout installs the removal holder, fixing bolt is all installed to the left and right sides of removing the holder.
Preferably, the movable clamping seat is connected with the clamping seat in a sliding mode through a sliding groove, and the upper surface of the clamping seat is parallel to the lower surface of the movable clamping seat.
Preferably, steel wire bearing mechanism includes wire rope, diamond protective sheath, capstan winch and rolling motor, and wire rope's the outside is provided with the diamond protective sheath, wire rope's both ends all are connected with the capstan winch, and the rolling motor is installed to the one end of capstan winch.
Preferably, the steel wire rope and the rope threading hole are matched in size, and the horizontal center lines of the steel wire rope are parallel to each other.
Compared with the prior art, the beneficial effects of the utility model are that: the adjustable fixing support for the laser cutting machine can rotate in all directions, is convenient for adjusting the angle of a fixed plate, is convenient for clamping and fixing, can bear the plate, prevents the plate from bending, and has higher use flexibility and cutting precision, the fixing structure main body of the device is arranged on the mounting ring, the mounting ring is rotatably connected with the base through the connecting turntable, is convenient for adjusting the angle of the device, adjusts the angle of the fixed plate, is favorable for improving the use flexibility of the device, clamps and fixes the plate through the symmetrically arranged fixing clamping mechanisms, the fixing clamping mechanisms are arranged on the fixed base through the size adjusting mechanism, can adjust the distance between the fixing clamping mechanisms through the size adjusting mechanism, is convenient for adapting to the plates with different sizes, is favorable for improving the use flexibility of the device, and the fixing clamping mechanisms are arranged in the sliding sleeves of the fixed base through the positioning rods, the position of the fixed clamping mechanism can be adjusted and adjusted by horizontally moving the positioning rod in the sliding sleeve, and the screw rod is arranged between the positioning rods and can move in the threaded sleeve by rotating the screw rod, so that the adjusting and clamping mechanism is driven to move, the adjustment is convenient and quick, and the use convenience of the device is improved;
The device clamps and fixes the plate through the symmetrically arranged adjusting and clamping mechanisms, each adjusting and clamping mechanism is provided with a fixed clamping seat and a movable clamping seat capable of translating up and down, the movable clamping seats can slide up and down in the clamping seats through sliding grooves, so that the plate is clamped and fixed through the clamping seats and the movable clamping seats, and the rubber anti-slip pads are arranged on the clamping seats, so that the friction force between the clamping seats and the plate is improved, the plate is prevented from slipping, and the fixing stability of the device is improved;
Parallel arrangement has one row of wire rope handling hole on the grip slipper of device, and install wire rope in the wire rope handling hole, the wire rope both ends all are connected with the capstan winch, can drive the capstan winch through rolling motor and rotate, thereby adjust wire rope's length and elasticity, can bear panel through the wire rope of many parallels, prevent to receive gravity bending in the middle of the panel, be convenient for keep panel straight, be favorable to improving the cutting accuracy, simultaneously because the wire rope size is less, and the wire rope outside of intermediate position is provided with round diamond protection cover, can prevent to be cut by laser, improve the reliability of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the fixing base of the present invention;
FIG. 4 is a schematic structural view of the size adjustment mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the adjusting and clamping mechanism of the present invention;
Fig. 6 is the structural schematic diagram of the steel wire supporting mechanism of the present invention.
In the figure: 1. a base; 2. fixing screw holes; 3. connecting the rotary table; 4. a mounting ring; 5. a fixed seat; 6. a size adjustment mechanism; 601. a sliding sleeve; 602. positioning a rod; 603. a screw; 604. a threaded sleeve; 605. a mounting seat; 7. a locking hole; 8. a locking button; 9. an adjusting handle; 10. adjusting the clamping mechanism; 1001. a clamping seat; 1002. a rubber non-slip mat; 1003. a chute; 1004. moving the clamping seat; 1005. fixing the bolt; 11. a stringing hole; 12. a steel wire supporting mechanism; 1201. a wire rope; 1202. a diamond protective sleeve; 1203. a winch; 1204. a winding motor.
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. 1-6, the present invention provides a technical solution: an adjustable fixing support for a laser cutting machine comprises a base 1 and a fixing seat 5, wherein a fixing screw hole 2 is arranged in the middle of the base 1, a connecting turntable 3 is arranged above the base 1, a mounting ring 4 is connected above the connecting turntable 3, a size adjusting mechanism 6 is arranged in the middle of the fixing seat 5, the fixing seat 5 is positioned on the outer side of the mounting ring 4, the size adjusting mechanism 6 comprises a sliding sleeve 601, a positioning rod 602, a screw 603, a threaded sleeve 604 and a mounting seat 605, the positioning rod 602 is nested on the inner side of the sliding sleeve 601, the screw 603 is arranged in the middle of the positioning rod 602, the threaded sleeve 604 is nested on the outer side of the screw 603, the inner end of the screw 603 is connected with the mounting seat 605, the horizontal central line of the positioning rod 602 is parallel to the horizontal central line of the screw 603, the horizontal central lines of the positioning rod 602 are parallel to, the mounting ring 4 is rotatably connected with the base 1 through the connecting turntable 3, so that the angle of the device can be conveniently adjusted, the use flexibility of the device can be improved, the device can clamp and fix the plates through the symmetrically arranged fixed clamping mechanisms, the fixed clamping mechanisms are arranged on the fixed base 5 through the size adjusting mechanism 6, the distance between the fixed clamping mechanisms can be adjusted through the size adjusting mechanism 6, the device can be conveniently adapted to the plates with different sizes, the use flexibility of the device can be improved, the fixed clamping mechanisms are arranged in the sliding sleeve 601 of the fixed base 5 through the positioning rods 602 and can horizontally move in the sliding sleeve 601 through the positioning rods 602, so that the position of the fixed clamping mechanisms can be adjusted and adjusted, the screw rods 603 are arranged between the positioning rods 602, the screw rods 603 can move in the screw sleeves 604 through rotating the screw rods 603, and the adjusting and clamping mechanism 10 is driven to move, the adjustment is convenient and quick, and the use convenience of the device is improved;
The left side and the right side of a fixed seat 5 are both provided with a locking hole 7, the middle of the locking hole 7 is provided with a locking button 8, the outer side of the fixed seat 5 is provided with an adjusting handle 9, the inner side of a size adjusting mechanism 6 is connected with an adjusting clamping mechanism 10, the middle of the adjusting clamping mechanism 10 is provided with a rope threading hole 11, the adjusting clamping mechanism 10 comprises a clamping seat 1001, a rubber anti-slip pad 1002, a sliding groove 1003, a movable clamping seat 1004 and a fixing bolt 1005, the inner side of the clamping seat 1001 is provided with the rubber anti-slip pad 1002, the middle of the clamping seat 1001 is provided with the sliding groove 1003, the middle of the sliding groove 1003 is provided with the movable clamping seat 1004, the left side and the right side of the movable clamping seat 1004 are both provided with the fixing bolt 1005, the movable clamping seat 1004 is in sliding connection with the clamping seat 1001 through the sliding groove 1003, the upper surface of the clamping seat 1001 is parallel to, the adjusting clamping mechanism 10 is provided with a fixed clamping seat 1001 and a movable clamping seat 1004 capable of translating up and down, the movable clamping seat 1004 can slide up and down in the clamping seat 1001 through a sliding groove 1003, so that the plate is clamped and fixed through the clamping seat 1001 and the movable clamping seat 1004, and a rubber anti-slip pad 1002 is arranged on the clamping seat 1001, so that the friction force between the clamping seat 1001 and the plate is improved, the plate is prevented from slipping, and the fixing stability of the device is improved;
The middle of the rope penetrating hole 11 is provided with a steel wire supporting mechanism 12, the steel wire supporting mechanism 12 comprises a steel wire rope 1201, a diamond protective sleeve 1202, a winch 1203 and a winding motor 1204, the diamond protective sleeve 1202 is arranged on the outer side of the steel wire rope 1201, the two ends of the steel wire rope 1201 are both connected with the winch 1203, one end of the winch 1203 is provided with the winding motor 1204, the steel wire rope 1201 and the rope penetrating hole 11 are matched in size, the horizontal central lines of the steel wire rope 1201 are parallel to each other, a row of rope penetrating holes 11 are arranged on a clamping seat 1001 of the device in parallel, the steel wire rope 1201 is arranged in the rope penetrating holes 11, the two ends of the steel wire rope 1201 are both connected with the winch 1203, the winch 1203 can be driven by the winding motor 1204 to rotate, so that the length and the tightness of the steel wire rope 1201 are adjusted, the plates, the cutting accuracy is improved, meanwhile, due to the fact that the size of the steel wire rope 1201 is small, a circle of diamond protective sleeve 1202 is arranged on the outer side of the steel wire rope 1201 in the middle, cutting by laser can be prevented, and reliability of the device is improved.
The working principle is as follows: when the adjustable fixing support for the laser cutting machine is used, firstly, the whole device is installed on the laser cutting machine through a fixing screw hole 2, when the adjustable fixing support is used, a plate to be cut is placed between symmetrically arranged adjusting clamping mechanisms 10, then the device is adjusted according to the size of the plate, a screw 603 is rotated through an adjusting handle 9, the screw 603 moves in a screw sleeve 604, so that the adjusting clamping mechanisms 10 are driven to move, the plate is kept stable through a positioning rod 602 and a sliding sleeve 601, the positioning rod 602 is locked through rotating a locking button 8, after the adjustment is completed, the plate is placed on a clamping seat 1001, then a movable clamping seat 1004 slides in the clamping seat 1001 through a sliding groove 1003, the clamping seat 1001 and the movable clamping seat 1004 are used for clamping and fixing the plate, the plate is locked through a fixing bolt 1005, and meanwhile, a rubber anti-skid pad 1002 is arranged on the clamping seat 1001, be convenient for improve the frictional force between grip slipper 1001 and the panel, prevent the slippage, then drive capstan 1203 through rolling motor 1204 and rotate, adjust wire rope 1201's length and elasticity, wire rope 1201 through many parallels carries out the bearing to panel, prevent to receive the gravity bending in the middle of the panel, keep panel straight, alright with cutting work, because wire rope 1201 size is less, and the wire rope 1201 outside of intermediate position is provided with round diamond protection cover 1202, can prevent to be cut by laser, the fixed knot who installs simultaneously on collar 4 for the main part of the structure of device, and collar 4 rotates with base 1 through connecting carousel 3 to be connected, can be through rotating 4 adjusting device's of collar fixed angle, just so accomplish the use of adjustable fixed bolster for whole laser cutting machine.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an adjustable fixed bolster for laser cutting machine, includes base (1) and fixing base (5), its characterized in that: the middle of base (1) is provided with fixed screw (2), connect carousel (3) are installed to the top of base (1), and the top of connecting carousel (3) is connected with collar (4), size adjustment mechanism (6) are installed to the centre of fixing base (5), and fixing base (5) are located the outside of collar (4), the left and right sides of fixing base (5) all is provided with locking hole (7), and installs locking button (8) in the middle of locking hole (7), the outside of fixing base (5) is provided with adjustment handle (9), the inboard of size adjustment mechanism (6) is connected with adjusts fixture (10), and adjusts the centre of fixture (10) and is provided with wire rope handling hole (11), steel wire bearing mechanism (12) are installed to the centre of wire rope handling hole (11).
2. The adjustable fixing bracket for the laser cutting machine according to claim 1, characterized in that: the size adjusting mechanism (6) comprises a sliding sleeve (601), a positioning rod (602), a screw rod (603), a threaded sleeve (604) and a mounting seat (605), the positioning rod (602) is nested on the inner side of the sliding sleeve (601), the screw rod (603) is arranged in the middle of the positioning rod (602), the threaded sleeve (604) is nested on the outer side of the screw rod (603), and the mounting seat (605) is connected to the inner end of the screw rod (603).
3. The adjustable fixing bracket for the laser cutting machine according to claim 2, characterized in that: the horizontal center line of the positioning rod (602) is parallel to the horizontal center line of the screw rod (603), and the horizontal center lines of the positioning rod (602) are parallel to each other.
4. The adjustable fixing bracket for the laser cutting machine according to claim 1, characterized in that: the adjusting clamping mechanism (10) comprises a clamping seat (1001), a rubber anti-slip pad (1002), a sliding groove (1003), a movable clamping seat (1004) and a fixing bolt (1005), the rubber anti-slip pad (1002) is arranged on the inner side of the clamping seat (1001), the sliding groove (1003) is arranged in the middle of the clamping seat (1001), the movable clamping seat (1004) is installed in the middle of the sliding groove (1003), and the fixing bolt (1005) is installed on the left side and the right side of the movable clamping seat (1004).
5. the adjustable fixing bracket for the laser cutting machine according to claim 4, characterized in that: the movable clamping seat (1004) is connected with the clamping seat (1001) in a sliding mode through a sliding groove (1003), and the upper surface of the clamping seat (1001) is parallel to the lower surface of the movable clamping seat (1004).
6. The adjustable fixing bracket for the laser cutting machine according to claim 1, characterized in that: the steel wire supporting mechanism (12) comprises a steel wire rope (1201), a diamond protective sleeve (1202), a winch (1203) and a winding motor (1204), the diamond protective sleeve (1202) is arranged on the outer side of the steel wire rope (1201), the two ends of the steel wire rope (1201) are connected with the winch (1203), and the winding motor (1204) is installed at one end of the winch (1203).
7. the adjustable fixing bracket for the laser cutting machine according to claim 6, characterized in that: the steel wire rope (1201) and the rope threading hole (11) are matched in size, and the horizontal center lines of the steel wire rope (1201) are parallel to each other.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920529297.9U CN209754320U (en) | 2019-04-18 | 2019-04-18 | Adjustable fixed bolster for laser cutting machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920529297.9U CN209754320U (en) | 2019-04-18 | 2019-04-18 | Adjustable fixed bolster for laser cutting machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209754320U true CN209754320U (en) | 2019-12-10 |
Family
ID=68759673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920529297.9U Expired - Fee Related CN209754320U (en) | 2019-04-18 | 2019-04-18 | Adjustable fixed bolster for laser cutting machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209754320U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111716482A (en) * | 2020-06-29 | 2020-09-29 | 徐州星皓乐器有限公司 | Manual zither operating platform |
CN112643232A (en) * | 2020-10-09 | 2021-04-13 | 浙江敏实科技有限公司 | Laser cutting support with adjustable gap |
-
2019
- 2019-04-18 CN CN201920529297.9U patent/CN209754320U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111716482A (en) * | 2020-06-29 | 2020-09-29 | 徐州星皓乐器有限公司 | Manual zither operating platform |
CN111716482B (en) * | 2020-06-29 | 2022-03-29 | 徐州星皓乐器有限公司 | Manual zither operating platform |
CN112643232A (en) * | 2020-10-09 | 2021-04-13 | 浙江敏实科技有限公司 | Laser cutting support with adjustable gap |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209754320U (en) | Adjustable fixed bolster for laser cutting machine | |
SE421881B (en) | TOOL FOR PROCESSING WHEELS | |
EP0147401A1 (en) | Implement sharpening device | |
CN211490813U (en) | Tubular product tip grinding device | |
JP2640943B2 (en) | Grinding device for grinding drills | |
CN111633848A (en) | An electric rotary clamp for rock cutting machine | |
FI127850B (en) | Pipe rotator and system for rotating a pipe | |
JP5266097B2 (en) | Laser processing equipment | |
US3841174A (en) | Apparatus for sharpening different types of circular saws, tools and other cutters having a wide range of diameters | |
US4554738A (en) | Apparatus for supporting and guiding machine for operating on sheet material such as cloth | |
CN209491581U (en) | a fish tail machine | |
CN209272635U (en) | A kind of numerical control varied angle fashioned iron cutting machine | |
JP4472443B2 (en) | Protective tape cutting method and protective tape cutting device | |
CN216607818U (en) | Position adjusting device for metal plate welding | |
GB2478202A (en) | Rotatable tool-support apparatus for a rotary grinding machine | |
US4111075A (en) | Grinding machine | |
CN214920881U (en) | Positioning accurate toothless saw cutting machine | |
CN211052728U (en) | Cutter tooth grinding device of electric saw chain | |
JP2843242B2 (en) | Tire cutting equipment | |
US3553908A (en) | Workpiece positioning apparatus | |
CN113275903A (en) | Lathe clamping device with protection function | |
CN214200030U (en) | Self-centering detection clamp for disc parts | |
CN214185610U (en) | Support arrangement with adjustable hydraulic drill rod thread machining | |
CN216607580U (en) | Plasma cutting machine of electrical control | |
CN109767908B (en) | An open type workpiece winding machine |
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: 20191210 Termination date: 20210418 |