CN213829343U - Novel cutting device of plank processing usefulness - Google Patents

Novel cutting device of plank processing usefulness Download PDF

Info

Publication number
CN213829343U
CN213829343U CN202022333839.0U CN202022333839U CN213829343U CN 213829343 U CN213829343 U CN 213829343U CN 202022333839 U CN202022333839 U CN 202022333839U CN 213829343 U CN213829343 U CN 213829343U
Authority
CN
China
Prior art keywords
face
shielding plate
fixedly connected
plate
bearing
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
CN202022333839.0U
Other languages
Chinese (zh)
Inventor
张寿禄
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.)
Jiangxi Hangguan Home Furnishing Co ltd
Original Assignee
Jiangxi Hangguan Home Furnishing 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 Jiangxi Hangguan Home Furnishing Co ltd filed Critical Jiangxi Hangguan Home Furnishing Co ltd
Priority to CN202022333839.0U priority Critical patent/CN213829343U/en
Application granted granted Critical
Publication of CN213829343U publication Critical patent/CN213829343U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

The utility model discloses a novel cutting device for processing wood boards, which comprises a supporting frame, a reinforcing rib, a blade, a blocking frame, a chip removal port, a blocking device, a motor, a belt and a rotating shaft, wherein the blocking device is arranged at the left end and the right end of a desktop, a first blocking plate, a second blocking plate and a third blocking plate are unfolded through hinges, the lower end of the third blocking plate enters a fixed groove in a fixed strip, then a second knob is rotated to rotate a second screw rod, a driving plate is pushed through a second bearing to fix the third blocking plate, then the first knob is rotated according to the thickness of the wood boards to drive the first screw rod to push a push plate downwards through the first bearing, so that a brush at the lower end is contacted with the wood boards for cleaning, the problem that the existing wood board cutting device generates a large amount of chips when cutting the wood boards, and the chips fly up under the action of the blade is solved, the wood chips fly all day by day, so that the subsequent cleaning is troublesome and the labor time is wasted.

Description

Novel cutting device of plank processing usefulness
Technical Field
The utility model relates to a wood working equipment technical field especially relates to a novel cutting device of plank processing usefulness.
Background
Wood is an important raw material, and is widely applied to various fields such as buildings, home furnishings and the like, wood processing is an important technological means, high-efficiency, fine and automatic wood processing equipment is actively researched that wood products are made of wood raw materials through processing, the formed products are mainly divided into furniture wood products, office wood products, craft wood products, gardening wood products, living wood products and present high-tech wood products, in the field of furniture production, the processing of workpieces is a key step, particularly the cutting processing of wood boards, the saw cutting is used as a convenient and simple process and is generally applied to the cutting process of boards, so that the cutting mechanism for cutting is widely applied to the furniture production industry, the quality of the cutting mechanism directly influences the quality of cut surfaces of the processed wood, however, the existing wood board cutting device generates a large amount of chips when cutting the wood board, and the chips fly under the action of the blade, so that the wood chips fly all day by day, and the subsequent cleaning is troublesome, and the labor time is wasted.
Disclosure of Invention
Technical problem to be solved
In order to overcome prior art not enough, provide a novel cutting device of plank processing usefulness now to solve current plank cutting device and cutting the plank and produce a large amount of pieces, and these pieces fly under the effect of blade, make these timber pieces fly all the day, lead to follow-up clearance more troublesome, extravagant artificial time's problem.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a novel cutting device for processing wood boards, which comprises a support frame, a reinforcing rib, a power line, a baffle, a switch, a table top, a rotating groove, a blade, a baffle frame, a chip removal port, a motor, a belt, a rotating shaft, a bearing seat and a shielding device, wherein the upper end and the lower end of the inner end surface of the support frame are fixedly connected with the reinforcing rib, the power line is arranged at the right end of the rear end surface of the support frame, the baffle is arranged at the lower right end of the support frame, the switch is arranged at the upper right end of the front end surface of the support frame, the upper end surface of the support frame is fixedly connected with the table top, the rotating groove is arranged in the middle of the right end surface of the table top, the blade is arranged in the rotating groove, the baffle frame is arranged at the rear right end of the upper end surface of the table top, the chip removal port is arranged at the lower end of the blade, the shielding device is arranged at the left end and the right end of the table top, the motor is arranged at the lower end surface of the reinforcing rib, the motor output shaft is movably connected with the belt, the upper end of the belt is movably connected with the rotating shaft, the right end face of the rotating shaft is fixedly connected with the blade, the middle part of the upper end face of the reinforcing rib is provided with a bearing seat, the inner end face of the bearing seat is fixedly connected with the rotating shaft, the shielding device consists of a first shielding plate, a hinge, a second shielding plate, a first rotating hole, a first screw rod, a first knob, a third shielding plate, a fixing strip, a fixing groove, a second rotating hole, a second screw rod, a second knob, a first bearing, a push plate, a hairbrush, a second bearing, a transmission plate and a rubber layer, the hinge is arranged at the front end and the rear end of the upper end face of the first shielding plate, the second shielding plate is arranged at the right end of the upper end face of the first shielding plate and fixedly connected with the first shielding plate through the hinge, the first rotating hole is arranged at the middle part of the rear end of the upper end face of the second shielding plate, and the inner end face of the first rotating hole is rotatably connected with the first screw rod, the upper end face of the first screw is provided with a first knob, the right lower end of the second shielding plate is provided with a third shielding plate, the second shielding plate is fixedly connected with the third shielding plate through a hinge, the lower end of the third shielding plate is provided with a fixing strip, the middle part of the upper end of the fixing strip is provided with a fixing groove, the middle part of the right end face of the fixing strip is provided with a second rotating hole, the inner end face of the second rotating hole is rotatably connected with a second screw, the right end face of the second screw is fixedly connected with a second knob, the lower end of the first screw is fixedly connected with a first bearing, the lower end face of the first bearing is fixedly connected with a push plate, the lower end face of the push plate is provided with a brush, the left end face of the second screw is fixedly connected with a second bearing, the left end face of the second bearing is fixedly connected with a transmission plate, the left end face of the transmission plate is provided with a rubber layer, and the left end face of the fixing strip is fixedly connected with a desktop, the lower end face of the first shielding plate is fixedly connected with the desktop through a hinge, and the switch and the motor are electrically connected with a power line.
Further, the height dimension of the first shielding plate and the third shielding plate is 4 cm larger than the height dimension of the blocking frame.
Further, the width dimension of the rotating groove is 2 cm larger than the thickness dimension of the blade.
Furthermore, the length dimension of the second shielding plate which is larger than that of the table top is equal to the distance from the left end face of the fixing groove to the left end face of the fixing strip.
Furthermore, the length dimension of the push plate is 5 mm smaller than the distance dimension from the inner end face of the first shielding plate to the inner end face of the third shielding plate.
Further, the height dimension of the first screw is equal to the height dimension of the first shielding plate.
Further, the width dimension of the first shielding plate and the third shielding plate is 6 centimeters smaller than the width dimension of the third shielding plate.
Furthermore, the brush is made of synthetic plastic materials.
Further, the fixing strip is made of aluminum alloy materials.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
will shelter from the device and set up both ends about the desktop, with first shielding plate, second shielding plate and third shielding plate expand through the hinge, be in the middle of the fixed slot in third shielding plate lower extreme entering fixed strip, then rotatory second knob rotates the second screw rod and passes through the second bearing and push away the driving plate messenger rubber layer and fix the third shielding plate, then drive first screw rod according to the rotatory first knob of plank thickness and pass through first bearing and promote the push pedal downwards, make the brush of lower extreme clear up with the plank contact, current plank cutting device has been solved and has been cutting the plank and produce a large amount of pieces, and these pieces fly up under the effect of blade, make these wood pieces fly to the sky, lead to follow-up clearance more troublesome, extravagant artificial time's problem.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the unfolding structure of the shielding device of the present invention;
FIG. 4 is a schematic view of the expanded internal structure of the shielding device of the present invention;
in the figure: a support frame-1, a reinforcing rib-2, a power line-3, a baffle-4, a switch-5, a tabletop-6, a rotating groove-7, a blade-8, a baffle frame-9, a chip removal port-10, a shielding device-11, a motor-12, a belt-13, a rotating shaft-14, a bearing seat-15, a first shielding plate-1101, a hinge-1102, a second shielding plate-1103, a first rotating hole-1104, a first screw-1105, a first knob-1106, a third shielding plate-1107, a fixing strip 1108-1109, a second rotating hole-1110, a second screw-1111, a second knob-1112, a first bearing-1113, a push plate-1114, a brush-1115, a second bearing-1116, a transmission plate-1117, a second rotating hole-1111, a second bearing-1112, a second bearing-1113, a push plate-1114, a brush-1115, a second bearing-1116, a transmission plate-1117, a second rotating shaft-1, a second shaft, a third, Rubber layer-1118.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a novel cutting device for processing wood boards: comprises a support frame 1, a reinforcing rib 2, a power line 3, a baffle 4, a switch 5, a table top 6, a rotating groove 7, a blade 8, a baffle frame 9, a chip removal port 10, a motor 12, a belt 13, a rotating shaft 14, a bearing seat 15 and a shielding device 11, wherein the upper end and the lower end of the inner end surface of the support frame 1 are fixedly connected with the reinforcing rib 2, the power line 3 is arranged at the right end of the rear end surface of the support frame 1, the baffle 4 is arranged at the right lower end of the support frame 1, the switch 5 is arranged at the right upper end of the front end surface of the support frame 1, the upper end surface of the support frame 1 is fixedly connected with the table top 6, the rotating groove 7 is arranged in the middle of the right end surface of the table top 6, the blade 8 is arranged in the rotating groove 7, the baffle frame 9 is arranged at the right rear end of the upper end surface of the table top 6, the chip removal port 10 is arranged at the lower end of the blade 8, the shielding device 11 is arranged at the left end and the right end surface of the table top 6, the motor 12 is movably connected with the belt 13, the upper end of the belt 13 is movably connected with the rotating shaft 14, the right end face of the rotating shaft 14 is fixedly connected with the blade 8, the middle part of the upper end face of the reinforcing rib 2 is provided with a bearing seat 15, the inner end face of the bearing seat 15 is fixedly connected with the rotating shaft 14, the shielding device 11 is composed of a first shielding plate 1101, a hinge 1102, a second shielding plate 1103, a first rotating hole 1104, a first screw 1105, a first knob 1106, a third shielding plate 1107, a fixing strip 1108, a fixing groove 1109, a second rotating hole 1110, a second screw 1111, a second knob 1112, a first bearing 1113, a push plate 1114, a brush 1115, a second bearing 1116, a driving plate 1117 and a rubber layer 1118, the front end and the rear end of the upper end face of the first shielding plate 1101 are provided with hinges 1102, the right end of the upper end face of the first shielding plate 1101 is provided with a second shielding plate 1103, the second shielding plate 1103 is fixedly connected with the first shielding plate 1101 through the hinges 1102, the middle part of the rear end face of the upper end face of the second shielding plate 1103 is provided with the first rotating hole 1104, the inner end surface of the first rotating hole 1104 is rotatably connected with the first screw 1105, the upper end surface of the first screw 1105 is provided with a first knob 1106, the right lower end of the second shielding plate 1103 is provided with a third shielding plate 1107, the second shielding plate 1103 is fixedly connected with the third shielding plate 1107 through a hinge 1102, the lower end of the third shielding plate 1107 is provided with a fixing strip 1108, the middle part of the upper end of the fixing strip 1108 is provided with a fixing groove 1109, the middle part of the right end surface of the fixing strip 1108 is provided with a second rotating hole 1110, the inner end surface of the second rotating hole 1110 is rotatably connected with the second screw 1111, the right end surface of the second screw 1111 is fixedly connected with a second knob 1112, the lower end of the first screw 1105 is fixedly connected with a first bearing 1113, the lower end surface of the first bearing 1113 is fixedly connected with a push plate 1114, the lower end surface of the push plate 1114 is provided with a brush 1115, the left end surface of the second screw is fixedly connected with a second bearing 1111, the left end surface of the second bearing is fixedly connected with a driving plate 1117, the left end surface of the driving plate 1117 is provided with a rubber layer 1118, the left end face of the fixing strip 1108 is fixedly connected with the desktop 6, the lower end face of the first shielding plate 1101 is fixedly connected with the desktop 6 through a hinge 1102, and the switch 5 and the motor 12 are both electrically connected with the power line 3.
The height dimension of the first and third shielding plates 1101 and 1107 is 4 cm greater than the height dimension of the blocking frame 9, so as to avoid contact with the blocking frame 9 when the shielding device 11 is unfolded.
Wherein, the width dimension of the rotating groove 7 is 2 cm larger than the thickness dimension of the blade 8, thereby avoiding the rotation of the blade 8 and facilitating the removal of the scraps.
The length of the second shielding plate 1103 larger than that of the desktop 6 is equal to the distance from the left end surface of the fixing groove 1109 to the left end surface of the fixing bar 1108, so that the third shielding plate 1107 can be conveniently placed inside the fixing groove 1109.
The length dimension of the push plate 1114 is 5 mm smaller than the distance dimension from the inner end face of the first shielding plate 1101 to the inner end face of the third shielding plate 1107, so that friction with the first shielding plate 1101 and the third shielding plate 1107 is avoided.
The height dimension of the first screw 1105 is equal to that of the first shutter 1101, so that the problem that cleaning is impossible due to an excessively thin wood board is prevented.
The width dimensions of the first shielding plate 1101 and the third shielding plate 1107 are smaller than the width dimension of the third shielding plate 1107 by 6 centimeters, so that the push plate 1114 is prevented from interfering with the first shielding plate 1101 and the third shielding plate 1107.
The brush 1115 is made of synthetic plastic materials, and is durable and good in flexibility.
The fixing strips 1108 are made of aluminum alloy materials, so that the hardness is high, and the bearing capacity is high.
The rubber layer 1118 is made of natural rubber, the natural rubber is a natural polymer compound taking polyisoprene as a main component, the molecular formula is (C5H8) n, 91% -94% of the natural rubber is rubber hydrocarbon (polyisoprene), and the balance is non-rubber substances such as protein, fatty acid, ash, saccharides and the like, and the natural rubber is general rubber with the widest application.
The working principle is as follows: the user firstly places the plank cutting device on a proper working position, then connects the power line 3 with an external power supply, then pulls the third shielding plate 1107 to drive the first shielding plate 1101 and the second shielding plate 1103 through the hinge 1102, because the outer ends of the first shielding plate 1101, the second shielding plate 1103 and the third shielding plate 1107 are all at an included angle of 60 degrees, which is convenient for folding, then puts the lower end of the third shielding plate 1107 into the fixing groove 1109 at the upper end part of the fixing strip 1108, then twists the second knob 1112 to drive the second screw 1111 to rotate in the inner end face of the second rotating hole 1110 through the second bearing 1116, so that the second screw 1111 pushes the driving plate 1117 to drive the rubber layer 1118 to fix the third shielding plate 1107, then puts the plank at the rear end of the blade 8, then twists the first knob 1106 to drive the first screw 1105 to rotate through the first rotating hole 1104, and pushes the push plate 1114 at the lower end of the first bearing 1113, make brush 1115 contact with the plank downwards, then rethread switch 5 starter motor 12 works, motor 12 passes through the output shaft and is connected with belt 13, and rotation axis 14 through belt 13 upper end drives blade 8 and rotates through rotating groove 7 under the effect of bearing frame 15, then put the plank and process at desktop 6, when the plank gets into shelters from 11 rear ends, brush 1115 clears up the plank surface, and the piece that the cutting produced is at first shielding plate 1101, desktop 6 is returned under the effect of second shielding plate 1103 and third shielding plate 1107, after the work is accomplished, it can to clear up desktop 6.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a novel cutting device of plank processing usefulness, includes support frame (1), strengthening rib (2), power cord (3), baffle (4), switch (5), desktop (6), rotation groove (7), blade (8), keeps off frame (9), chip removal mouth (10), motor (12), belt (13), axis of rotation (14) and bearing frame (15), its characterized in that: the device is characterized by further comprising a shielding device (11), the upper end and the lower end of the inner end face of the support frame (1) are fixedly connected with the reinforcing ribs (2), the power line (3) is arranged at the right end of the rear end face of the support frame (1), the baffle (4) is arranged at the right lower end of the support frame (1), the switch (5) is arranged at the right upper end of the front end face of the support frame (1), the upper end face of the support frame (1) is fixedly connected with the table top (6), a rotating groove (7) is arranged in the middle of the right end face of the table top (6), a blade (8) is arranged in the rotating groove (7), a blocking frame (9) is arranged at the right rear end of the upper end face of the table top (6), a scrap discharging port (10) is arranged at the lower end of the blade (8), the shielding devices (11) are arranged at the left end and the right end of the table top (6), a motor (12) is arranged at the lower end face of the reinforcing ribs (2), and an output shaft of the motor (12) is movably connected with a belt (13), the upper end of the belt (13) is movably connected with the rotating shaft (14), the right end face of the rotating shaft (14) is fixedly connected with the blade (8), a bearing seat (15) is arranged in the middle of the upper end face of the reinforcing rib (2), the inner end face of the bearing seat (15) is fixedly connected with the rotating shaft (14), the shielding device (11) is composed of a first shielding plate (1101), a hinge (1102), a second shielding plate (1103), a first rotating hole (1104), a first screw (1105), a first knob (1106), a third shielding plate (1107), a fixing strip (1108), a fixing groove (1109), a second rotating hole (1110), a second screw (1111), a second knob (1112), a first bearing (1113), a push plate (1114), a brush (1115), a second bearing (1116), a transmission plate (1117) and a rubber layer (1118), the front end face and the rear end face of the first shielding plate (1101) is provided with hinges (1102), the right end of the upper end face of the first shielding plate (1101) is provided with a second shielding plate (1103), the second shielding plate (1103) is fixedly connected with the first shielding plate (1101) through a hinge (1102), the middle of the rear end of the upper end face of the second shielding plate (1103) is provided with a first rotating hole (1104), the inner end face of the first rotating hole (1104) is rotatably connected with a first screw (1105), the upper end face of the first screw (1105) is provided with a first knob (1106), the right lower end of the second shielding plate (1103) is provided with a third shielding plate (1107), the second shielding plate (1103) is fixedly connected with the third shielding plate (1107) through a hinge (1102), the lower end of the third shielding plate (1107) is provided with a fixing strip (1108), the middle of the upper end of the fixing strip (1108) is provided with a fixing groove (1109), the middle of the right end face of the fixing strip (1108) is provided with a second rotating hole (1110), the inner end surface of the second rotating hole (1110) is rotatably connected with a second screw rod (1111), the right end surface of the second screw rod (1111) is fixedly connected with a second knob (1112), the lower end of the first screw (1105) is fixedly connected with a first bearing (1113), the lower end surface of the first bearing (1113) is fixedly connected with a push plate (1114), a brush (1115) is arranged on the lower end face of the push plate (1114), the left end face of the second screw (1111) is fixedly connected with a second bearing (1116), the left end face of the second bearing (1116) is fixedly connected with a transmission plate (1117), the left end face of the transmission plate (1117) is provided with a rubber layer (1118), the left end face of the fixing strip (1108) is fixedly connected with the desktop (6), the lower end face of the first baffle plate (1101) is fixedly connected with the desktop (6) through a hinge (1102), the switch (5) and the motor (12) are electrically connected with the power line (3).
2. The novel cutting device for wood board processing according to claim 1, characterized in that: the height dimension of the first shielding plate (1101) and the third shielding plate (1107) is 4 cm larger than that of the blocking frame (9).
3. The novel cutting device for wood board processing according to claim 1, characterized in that: the width dimension of the rotating groove (7) is 2 cm larger than the thickness dimension of the blade (8).
4. The novel cutting device for wood board processing according to claim 3, characterized in that: the length of the second shielding plate (1103) more than that of the table top (6) is equal to the distance from the left end face of the fixing groove (1109) to the left end face of the fixing strip (1108).
5. The novel cutting device for wood board processing according to claim 1, characterized in that: the length dimension of the push plate (1114) is 5 mm smaller than the distance dimension from the inner end face of the first shielding plate (1101) to the inner end face of the third shielding plate (1107).
6. The novel cutting device for wood board processing according to claim 1, characterized in that: the height dimension of the first screw (1105) is equal to the height dimension of the first shutter (1101).
7. The novel cutting device for wood board processing according to claim 1, characterized in that: the width sizes of the first shielding plate (1101) and the third shielding plate (1107) are 6 centimeters smaller than the width size of the third shielding plate (1107).
CN202022333839.0U 2020-10-20 2020-10-20 Novel cutting device of plank processing usefulness Expired - Fee Related CN213829343U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022333839.0U CN213829343U (en) 2020-10-20 2020-10-20 Novel cutting device of plank processing usefulness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022333839.0U CN213829343U (en) 2020-10-20 2020-10-20 Novel cutting device of plank processing usefulness

Publications (1)

Publication Number Publication Date
CN213829343U true CN213829343U (en) 2021-07-30

Family

ID=77009582

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022333839.0U Expired - Fee Related CN213829343U (en) 2020-10-20 2020-10-20 Novel cutting device of plank processing usefulness

Country Status (1)

Country Link
CN (1) CN213829343U (en)

Similar Documents

Publication Publication Date Title
CN208497237U (en) A kind of flexible blade surface of revolution machine
CN111975877B (en) Plank slitting equipment
CN212498152U (en) Wood door processing is with planing milling machine dust collector
CN111331766A (en) Circular plastic slab deckle edge resection device
CN213829343U (en) Novel cutting device of plank processing usefulness
CN209478363U (en) A kind of furniture factory lumber plate cutting machine
CN213381705U (en) Shearing machine for sponge production
CN211073935U (en) Cutting device is used in processing of wood system furniture with dustproof function
CN211302906U (en) High-efficient mixer is used in construction
CN212636019U (en) A workstation for processing production woodwork packing box
CN207858929U (en) A kind of corrugated paper cutting device for processing
CN213035103U (en) Trimming device is used in plastic product production
CN212020902U (en) Plastic floor cutting fixing device
CN210879839U (en) Cutting device for plastic floor
CN204622237U (en) The processing unit (plant) of timber floor hand knife mark
CN214604881U (en) Cutting device of solid wood board
CN213833408U (en) Piece conveying belt for wood production
CN213617191U (en) Wood floor cutting device with adjustable length
CN218307536U (en) Blending and mixing device for high-performance modification processing
CN218195545U (en) Sponge cutting machine
CN220149928U (en) Cutting device for producing urine-stopping trousers
CN213829350U (en) Wood board processing device
CN104772790A (en) Wood floor hand-scraped grain machining device
CN221186873U (en) Wood straight edge machine
CN215433872U (en) Automatic blank device of rubber component

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210730