CN209452803U - A kind of metallic print increase and decrease material complex machining device equipped with track-type facilities - Google Patents

A kind of metallic print increase and decrease material complex machining device equipped with track-type facilities Download PDF

Info

Publication number
CN209452803U
CN209452803U CN201920140426.5U CN201920140426U CN209452803U CN 209452803 U CN209452803 U CN 209452803U CN 201920140426 U CN201920140426 U CN 201920140426U CN 209452803 U CN209452803 U CN 209452803U
Authority
CN
China
Prior art keywords
column
fixedly installed
track
machining device
rack
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920140426.5U
Other languages
Chinese (zh)
Inventor
朱建宁
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.)
Dalian Jiaotong University
Original Assignee
Dalian Jiaotong University
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 Dalian Jiaotong University filed Critical Dalian Jiaotong University
Priority to CN201920140426.5U priority Critical patent/CN209452803U/en
Application granted granted Critical
Publication of CN209452803U publication Critical patent/CN209452803U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of, and the metallic print equipped with track-type facilities increases and decreases material complex machining device, including pedestal, the upper surface of the pedestal is fixedly installed in the first guide rail, and first is slidably fitted with processing platform on guide rail, the upper surface of the pedestal is fixedly installed in column, and cross bar is equipped between column, the inside of the column is fixedly installed with slide bar, and the both ends of cross bar are located at column inner sleeve on slide bar, the inside of one of column is equipped with lead screw by first bearing, and the upper end of the column is fixedly installed with the first motor for driving lead screw to rotate, the lead screw is equipped with nut seat.A kind of metallic print equipped with track-type facilities described in the utility model increases and decreases material complex machining device, increasing material part easy to disassemble carries out maintenance replacement, convenient for adjusting direction and the angle of control panel as needed, improves flexibility in use, milling cutter and other items can be stored, be taken when easy to use.

Description

A kind of metallic print increase and decrease material complex machining device equipped with track-type facilities
Technical field
The utility model relates to increase and decrease material complex machining device field, in particular to a kind of metal equipped with track-type facilities is beaten Print increase and decrease material complex machining device.
Background technique
Increasing material manufacturing is commonly called as 3D printing, has merged CAD, material processing and forming technique, with mathematical model Based on file, by software and digital control system by dedicated metal material, nonmetallic materials and biomaterial for medical purpose, according to The modes such as extruding, sintering, melting, photocuring, injection are successively accumulated, and the manufacturing technology of physical item, traditional cutting are produced Etc. machining modes be commonly called as to subtract material manufacturing method, in order to improve manufacture rate, two kinds of devices are designed into and are formed together by people Complex machining device come using;Component at complex machining device print head is difficult to dismantle, be not easy to carry out it maintenance with more It changes, control panel is unadjustable, cannot adjust angle and direction according to the needs of users, does not store the ground of milling cutter and other items Side, cannot store nearby milling cutter etc., the use being not easy to next time is taken.
Utility model content
The main purpose of the utility model is to provide a kind of, and the metallic print equipped with track-type facilities increases and decreases material Compound Machining Device can effectively solve print head in background technique and be difficult to dismantle that maintenance, control panel is unadjustable, cannot store milling nearby The problem of knife and other items.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of metallic print increase and decrease material complex machining device equipped with track-type facilities, including pedestal, the upper table of the pedestal Face is fixedly installed in the first guide rail, and processing platform is slidably fitted on the first guide rail, and the upper surface of the pedestal is fixedly mounted In column, and cross bar is equipped between column, the inside of the column is fixedly installed with slide bar, and the both ends of cross bar are located in column It covers on slide bar, the inside of one of column is equipped with lead screw by first bearing, and the upper end fixed installation of the column is useful In the first motor of driving lead screw rotation, the lead screw is equipped with nut seat, and nut seat is fixed on one end of cross bar, the cross Bar is equipped with sliding rack, and the rear end of sliding rack is fixedly installed with and subtracts material part, and the front end of the sliding rack is fixedly installed with connection Plate, and connecting plate is equipped with and increases material part, upper surface one end of the pedestal is equipped with adjustable support, and control is provided on adjustable support One end of panel processed, the pedestal is equipped with containing box.
Preferably, the connecting plate includes removable frame, through-hole, fixed frame, assembles fritter, threaded hole and screw, described logical Hole is opened on removable frame, and the assembly fritter is fixedly mounted on the lower end of fixed frame, and assembles and offer threaded hole on fritter, One end of the screw passes through through-hole and is threadedly coupled with threaded hole.
Preferably, the adjustable support includes bottom plate, fixed link, swingle, second bearing, column spinner, rack, shaft And adjusting nut, the upper surface of the fixed link welding and bottom plate, and the inside of fixed link is equipped with second bearing, the swingle It is rotatablely connected between fixed link by second bearing and column spinner, and rack is fixed at the upper end of swingle, it is described Rotation is provided with shaft on rack, and rack is equipped with adjusting nut.
Preferably, the control panel includes shell, display screen, function key, switch and indicator light, the side of the shell It is provided with display screen and function key, and the other side of shell is equipped with switch and indicator light.
Preferably, the containing box includes cabinet, dodge gate, hinge, fixed block and lock, and the dodge gate passes through hinge It is flexibly connected with cabinet, and the front surface of dodge gate is equipped with fixed block and lock far from the side of hinge.
Preferably, the cross bar is equipped with the second guide rail and rack gear, and sliding rack is slidably mounted on cross by the second guide rail On bar, the sliding rack is equipped with the second motor, and the second motor is equipped with the gear that connection is engaged with rack, described to subtract material part Upper end be fixedly installed with third motor, the material part that increases is equipped with the passage being connected with metal material delivery source, and increases The lower end of material part is fixedly installed with print head.
Compared with prior art, the utility model has the following beneficial effects: should increase equipped with the metallic print of track-type facilities Subtract material complex machining device, using connecting plate, increasing material part easy to disassemble carries out maintenance replacement to print head, passes through the adjustable of setting Bracket, by the containing box added, can store milling cutter etc. convenient for adjusting the angle and direction of control panel as needed nearby Article is taken when convenient for using next time.
Detailed description of the invention
Fig. 1 is the overall structure that a kind of metallic print equipped with track-type facilities of the utility model increases and decreases material complex machining device Schematic diagram;
Fig. 2 is the inside that a kind of metallic print equipped with track-type facilities of the utility model increases and decreases material complex machining device column Structural schematic diagram;
Fig. 3 is the amplification at a kind of metallic print increase and decrease material complex machining device A equipped with track-type facilities of the utility model Figure;
Fig. 4 is the knot that a kind of metallic print equipped with track-type facilities of the utility model increases and decreases material complex machining device connecting plate Structure schematic diagram;
Fig. 5 is that a kind of metallic print equipped with track-type facilities of the utility model increases and decreases material complex machining device adjustable support Structural schematic diagram;
Fig. 6 is that a kind of metallic print equipped with track-type facilities of the utility model increases and decreases material complex machining device control panel Structural schematic diagram;
Fig. 7 is the knot that a kind of metallic print equipped with track-type facilities of the utility model increases and decreases material complex machining device containing box Structure schematic diagram.
In figure: 1, pedestal;2, the first guide rail;3, processing platform;4, column;5, cross bar;6, slide bar;7, lead screw;8, nut Seat;9, first motor;10, sliding rack;11, subtract material part;12, connecting plate;1201, removable frame;1202, through-hole;1203, fixed Frame;1204, fritter is assembled;1205, threaded hole;1206, screw;13, increase material part;14, adjustable support;1401, bottom plate;1402, Fixed link;1403, swingle;1404, second bearing;1405, column spinner;1406, rack;1407, shaft;1408, it adjusts Nut;15, control panel;1501, shell;1502, display screen;1503, function key;1504, it switchs;1505, indicator light;16, Containing box;1601, cabinet;1602, dodge gate;1603, hinge;1604, fixed block;1605, it latches;17, first bearing;18, Second guide rail;19, rack gear;20, the second motor;21, third motor;22, passage;23, print head.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " after The orientation or positional relationship of the instructions such as end ", " both ends ", " one end ", " other end " is that orientation based on the figure or position are closed System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, Term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " being provided with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to detachably connect It connects, or is integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, intermediate matchmaker can also be passed through Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition Understand the concrete meaning of above-mentioned term in the present invention.
As shown in figs. 1-7, a kind of metallic print equipped with track-type facilities increases and decreases material complex machining device, including pedestal 1, bottom The upper surface of seat 1 is fixedly installed in the first guide rail 2, and processing platform 3, the upper surface of pedestal 1 are slidably fitted on the first guide rail 2 It is fixedly installed in column 4, and is equipped with cross bar 5 between column 4, the inside of column 4 is fixedly installed with slide bar 6, and the both ends of cross bar 5 Positioned at 4 inner sleeve of column on slide bar 6, the inside of one of column 4 is equipped with lead screw 7 by first bearing 17, and the column 4 Upper end is fixedly installed with the first motor 9 for driving lead screw 7 to rotate, and lead screw 7 is equipped with nut seat 8, and nut seat 8 is fixed on One end of cross bar 5, cross bar 5 is equipped with sliding rack 10, and the rear end of sliding rack 10 is fixedly installed with and subtracts material part 11, sliding rack 10 Front end is fixedly installed with connecting plate 12, and connecting plate 12 is equipped with and increases material part 13, and upper surface one end of pedestal 1 is equipped with adjustable support 14, and control panel 15 is provided on adjustable support 14, one end of pedestal 1 is equipped with containing box 16;
Connecting plate 12 includes removable frame 1201, through-hole 1202, fixed frame 1203, assembly fritter 1204,1205 and of threaded hole Screw 1206, through-hole 1202 are opened on removable frame 1201, and assembly fritter 1204 is fixedly mounted on the lower end of fixed frame 1203, and Threaded hole 1205 is offered on assembly fritter 1204, one end of screw 1206 passes through through-hole 1202 and 1205 screw thread of threaded hole connects It connects;Adjustable support 14 includes bottom plate 1401, fixed link 1402, swingle 1403, second bearing 1404, column spinner 1405, places Frame 1406, shaft 1407 and adjusting nut 1408, the upper surface of fixed link 1402 welding and bottom plate 1401, and fixed link 1402 Inside is equipped with second bearing 1404, passes through second bearing 1404 and 1405 turns of column spinner between swingle 1403 and fixed link 1402 Dynamic connection, and rack 1406 is fixed at the upper end of swingle 1403, rotation is provided with shaft 1407 on rack 1406, And rack 1406 is equipped with adjusting nut 1408;Control panel 15 include shell 1501, display screen 1502, function key 1503, Switch 1504 and indicator light 1505, the side of shell 1501 are provided with display screen 1502 and function key 1503, and shell 1501 The other side is equipped with switch 1504 and indicator light 1505;Containing box 16 includes cabinet 1601, dodge gate 1602, hinge 1603, fixes Block 1604 and lock 1605, dodge gate 1602 is flexibly connected by hinge 1603 with cabinet 1601, and the preceding table of dodge gate 1602 Face is equipped with fixed block 1604 and lock 1605 far from the side of hinge 1603;Cross bar 5 is equipped with the second guide rail 18 and rack gear 19, and Sliding rack 10 is slidably mounted on cross bar 5 by the second guide rail 18, and sliding rack 10 is equipped with the second motor 20, and the second motor 20 It is equipped with the gear that connection is engaged with rack gear 19, the upper end for subtracting material part 11 is fixedly installed with third motor 21, increases and sets on material part 13 There is the passage 22 being connected with metal material delivery source, and the lower end for increasing material part 13 is fixedly installed with print head 23.
It should be noted that the utility model is a kind of metallic print increase and decrease material Compound Machining dress equipped with track-type facilities It sets, when in use, equipment is connected by staff with extraneous power supply, and passage 22 is connected to metal material delivery source On, by the switch 1504 in lower case 1501, display screen 1502 is lighted, and staff passes through function key 1503 and display screen 1502 Relevant parameter is set, can be carried out metallic print after the completion of parameter setting and work, staff is opened by control panel 15 It is dynamic to increase material part 13, and start metal material delivery source, corresponding indicator light 1505 is lighted on shell 1501, and metal material passes through Passage 22, which enters, to be increased in material part 13, is then output on processing platform 3 by print head 23, when being printed, first Motor 9 is rotated and is rotated in first bearing 17 with the lead screw 7 in column 4, to move up and down with nut seat 8, in this way Cross bar 5 will move on slide bar 6 under the drive of nut seat 8, to move up and down with material part 13 is increased, at this moment the second motor 20 startings, under the action of wheel and rack 19 on the second motor 20, sliding rack 10 is sliding along the second guide rail 18 on cross bar 5 It is dynamic, thus move back and forth with increasing material part 13, at the same time, under the drive of stepper motor of the processing platform 3 inside pedestal 1 It is moved along the first guide rail 2, so, the print head 23 increased on material part 13 will relatively move between processing platform 3, tie Close moving up and down for cross bar 5 and moving back and forth for sliding rack 10, it will be able to realize three between print head 23 and processing platform 3 Dimension movement, and then required metalwork is printed, after the completion of metalwork printing, need to carry out it Milling Process, work people Relevant parameter is arranged by control panel 15 in member, is then installed to corresponding milling cutter and subtracts on material part 11, at this moment milling cutter following table Face is lower than print head 23, starts third motor 21 by control panel 15, the rotation of third motor 21 rotates with milling cutter, then leads to It crosses control panel 15 and starts associated components, so that it is three-dimensional mobile between the metal works on milling cutter and processing platform 3, to complete Milling work, staff can adjust the deflection of control panel 15 when using control panel 15 by adjustable support 14 Degree, when being adjusted, user can rotate swingle 1403, make the column spinner 1405 of 1403 lower end of swingle in second bearing Rotation in 1404 so that swingle 1403 is rotated relative to the fixed link 1402 on bottom plate 1401, and then adjusts control plane The angle of plate 15, when needs, user can also unscrew adjusting nut 1408, so that control panel 15 is in rack 1406 On rotated centered on shaft 1407, to change the angle of control panel 15, after the completion of angular adjustment, then pass through adjusting nut 1408 fix, when metal works after processing is completed, arrestment unloads lower milling cutter, and milling cutter and other items is placed into storage In case 16, when storing milling cutter and other items, staff opens lock 1605, passes through fixed block 1604 and 1603 opening activity of hinge Door 1602, milling cutter is put into cabinet 1601, then shut dodge gate 1602 lock lock 1605 can be to objects such as milling cutters Product store, when need to dismantle increase material part 13 and overhauled when, by connecting plate 12 can fast quick-detach, work people Member screws out the screw 1206 in threaded hole 1205 and through-hole 1202, by removable frame 1201 from the assembly fritter on fixed frame 1203 It is removed on 1204, increases material part 13 to disassemble and it is overhauled, after the completion of maintenance, then passed through connecting plate 12 and install increasing Material part 13 can be used continuously.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (6)

1. a kind of metallic print equipped with track-type facilities increases and decreases material complex machining device, it is characterised in that: including pedestal (1), institute The upper surface for stating pedestal (1) is fixedly installed in the first guide rail (2), and processing platform (3) are slidably fitted on the first guide rail (2), The upper surface of the pedestal (1) is fixedly installed in column (4), and between column (4) be equipped with cross bar (5), the column (4) it is interior Portion is fixedly installed with slide bar (6), and the both ends of cross bar (5) are located at column (4) inner sleeve on slide bar (6), one of column (4) Inside be equipped with lead screw (7) by first bearing (17), and the upper end of the column (4) is fixedly installed with for driving lead screw (7) The first motor (9) of rotation, the lead screw (7) is equipped with nut seat (8), and nut seat (8) is fixed on one end of cross bar (5), The cross bar (5) is equipped with sliding rack (10), and the rear end of sliding rack (10) is fixedly installed with and subtracts material part (11), the sliding rack (10) front end is fixedly installed with connecting plate (12), and connecting plate (12) is equipped with and increases material part (13), the upper table of the pedestal (1) Face one end is equipped with adjustable support (14), and control panel (15) are provided on adjustable support (14), and one end of the pedestal (1) is set There are containing box (16).
2. a kind of metallic print equipped with track-type facilities according to claim 1 increases and decreases material complex machining device, feature Be: the connecting plate (12) includes removable frame (1201), through-hole (1202), fixed frame (1203), assembly fritter (1204), spiral shell Pit (1205) and screw (1206), the through-hole (1202) are opened on removable frame (1201), the assembly fritter (1204) It is fixedly mounted on the lower end of fixed frame (1203), and assembles and offers threaded hole (1205), the screw on fritter (1204) (1206) one end passes through through-hole (1202) and is threadedly coupled with threaded hole (1205).
3. a kind of metallic print equipped with track-type facilities according to claim 1 increases and decreases material complex machining device, feature Be: the adjustable support (14) include bottom plate (1401), fixed link (1402), swingle (1403), second bearing (1404), Column spinner (1405), rack (1406), shaft (1407) and adjusting nut (1408), fixed link (1402) welding and bottom The upper surface of plate (1401), and the inside of fixed link (1402) is equipped with second bearing (1404), the swingle (1403) and solid It is rotatablely connected between fixed pole (1402) by second bearing (1404) and column spinner (1405), and rack (1406) is fixedly installed It rotates and is provided with shaft (1407) on the upper end of swingle (1403), the rack (1406), and on rack (1406) Equipped with adjusting nut (1408).
4. a kind of metallic print equipped with track-type facilities according to claim 1 increases and decreases material complex machining device, feature Be: the control panel (15) includes shell (1501), display screen (1502), function key (1503), switch (1504) and refers to Show lamp (1505), the side of the shell (1501) is provided with display screen (1502) and function key (1503), and shell (1501) The other side be equipped with switch (1504) and indicator light (1505).
5. a kind of metallic print equipped with track-type facilities according to claim 1 increases and decreases material complex machining device, feature Be: the containing box (16) includes cabinet (1601), dodge gate (1602), hinge (1603), fixed block (1604) and lock (1605), the dodge gate (1602) is flexibly connected by hinge (1603) with cabinet (1601), and before dodge gate (1602) Surface is equipped with fixed block (1604) and lock (1605) far from the side of hinge (1603).
6. a kind of metallic print equipped with track-type facilities according to claim 1 increases and decreases material complex machining device, feature Be: the cross bar (5) is equipped with the second guide rail (18) and rack gear (19), and sliding rack (10) is slided by the second guide rail (18) It is mounted on cross bar (5), the sliding rack (10) is equipped with the second motor (20), and the second motor (20) is equipped with and rack gear (19) gear of engagement connection, the upper end for subtracting material part (11) are fixedly installed with third motor (21), the increasing material part (13) It is equipped with the passage (22) being connected with metal material delivery source, and the lower end for increasing material part (13) is fixedly installed with print head (23)。
CN201920140426.5U 2019-01-28 2019-01-28 A kind of metallic print increase and decrease material complex machining device equipped with track-type facilities Expired - Fee Related CN209452803U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920140426.5U CN209452803U (en) 2019-01-28 2019-01-28 A kind of metallic print increase and decrease material complex machining device equipped with track-type facilities

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920140426.5U CN209452803U (en) 2019-01-28 2019-01-28 A kind of metallic print increase and decrease material complex machining device equipped with track-type facilities

Publications (1)

Publication Number Publication Date
CN209452803U true CN209452803U (en) 2019-10-01

Family

ID=68046048

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920140426.5U Expired - Fee Related CN209452803U (en) 2019-01-28 2019-01-28 A kind of metallic print increase and decrease material complex machining device equipped with track-type facilities

Country Status (1)

Country Link
CN (1) CN209452803U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111992877A (en) * 2020-07-07 2020-11-27 上海工程技术大学 High-precision composite manufacturing device for increasing and decreasing materials by laser
CN112122938A (en) * 2020-09-25 2020-12-25 大连交通大学 Parallel type composite material increasing and decreasing machining machine tool
CN114310492A (en) * 2022-03-03 2022-04-12 季华实验室 Composite processing equipment
CN114378918A (en) * 2022-01-21 2022-04-22 清华大学 Additive manufacturing apparatus for ceramic and additive manufacturing method for ceramic

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111992877A (en) * 2020-07-07 2020-11-27 上海工程技术大学 High-precision composite manufacturing device for increasing and decreasing materials by laser
CN112122938A (en) * 2020-09-25 2020-12-25 大连交通大学 Parallel type composite material increasing and decreasing machining machine tool
CN112122938B (en) * 2020-09-25 2021-08-13 大连交通大学 Parallel type composite material increasing and decreasing machining machine tool
CN114378918A (en) * 2022-01-21 2022-04-22 清华大学 Additive manufacturing apparatus for ceramic and additive manufacturing method for ceramic
CN114310492A (en) * 2022-03-03 2022-04-12 季华实验室 Composite processing equipment

Similar Documents

Publication Publication Date Title
CN209452803U (en) A kind of metallic print increase and decrease material complex machining device equipped with track-type facilities
CN209532300U (en) Cutter device is used in a kind of production of aluminum alloy doors and windows
CN205300955U (en) Metallographic sample cutting machine
CN208663446U (en) A kind of the maching of Al wheel mirror finish equipment
CN210731967U (en) Novel marble mesa edging machine
CN207326371U (en) A kind of pump housing screw servo lock dispensing apparatus
CN206140589U (en) Paper cutter with adjustable paper elevating gear
CN209319482U (en) A kind of adjustment structure of ornaments polishing grinding platform
CN209005816U (en) Locking type jaw crusher
CN112356321A (en) Angle-adjustable beveling device for fireproof material production
CN220258805U (en) Mechanical part quality detection equipment
CN220093741U (en) Notch mechanism for aluminum film plate
CN216503463U (en) Moving assembly for finish milling of materials on four sides
CN215943633U (en) Multi-degree-of-freedom combined screw extruder
CN214442294U (en) Machining center for door and window preparation
CN213244583U (en) Food is data statistics device for contact material
CN215116376U (en) Resistivity test platform structure for silicon single crystal rod
CN219616744U (en) Perforating device with polishing function
CN214641049U (en) Night light mark marking device of fire alarm device
CN210710292U (en) Pneumatic safety door of cage
CN206415598U (en) A kind of stop dog regulating mechanism
CN214676223U (en) Monitoring device of system integration equipment
CN219238878U (en) Product line changing device
CN217832049U (en) High-strength steel cutting machine with positioning function
CN211588737U (en) Double-end saw for door processing

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: 20191001

Termination date: 20220128