CN216992105U - Paper tube cutting machine convenient to adjust - Google Patents
Paper tube cutting machine convenient to adjust Download PDFInfo
- Publication number
- CN216992105U CN216992105U CN202220317295.5U CN202220317295U CN216992105U CN 216992105 U CN216992105 U CN 216992105U CN 202220317295 U CN202220317295 U CN 202220317295U CN 216992105 U CN216992105 U CN 216992105U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- paper tube
- box body
- cutting machine
- sides
- 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
- 238000005520 cutting process Methods 0.000 title claims abstract description 60
- 239000000428 dust Substances 0.000 claims abstract description 31
- 238000004140 cleaning Methods 0.000 claims description 13
- 244000309464 bull Species 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000012141 concentrate Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Landscapes
- Paper (AREA)
Abstract
The utility model discloses a paper tube cutting machine convenient to adjust, which comprises a box body, wherein vertical plates are fixedly connected to two sides of the top of the box body, a transverse plate is fixedly connected to the tops of the vertical plates, a first motor is fixedly connected to the left sides of the vertical plates, a rotating shaft of the first motor penetrates through the right sides of the vertical plates and is fixedly connected with a first rotating rod, fans are fixedly connected to the top and the bottom of the right side of the box body, a filter screen is movably connected to an inner cavity of the box body, and dust suction pipes are communicated with two sides of the top of the box body. The paper tube cutting machine has the advantages of adjustable cutter spacing and a waste collecting function, and solves the problems that the spacing between the cutters cannot be adjusted according to the actual use condition in the use process of the existing paper tube cutting machine, so that the cutting effect of a paper tube is influenced, and the paper tube cutting machine has a single structure, does not have the waste collecting function, cannot intensively collect scraps generated in the cutting process, and reduces the applicability of the paper tube cutting machine.
Description
Technical Field
The utility model relates to the technical field of paper tube processing, in particular to a paper tube cutting machine convenient to adjust.
Background
The paper tube is a tubular object processed by paper, and the paper core and the paper tube products are generally applied to the paper making industry, the packaging industry, the textile chemical fiber industry and the like due to the advantages of low cost, light weight, easy recovery, no pollution and the like.
Present paper tube cutting type machine is in the use, can't adjust the interval between the cutter according to the in-service use condition to the influence is to the cutting effect of paper tube, and because single structure does not have the garbage collection function, can not concentrate the collection to the piece that produces in the cutting process, has reduced the suitability of cutting type machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a paper tube cutting machine convenient to adjust, which has the advantages of adjustable cutter spacing and waste material collection function, and solves the problems that the cutting effect of a paper tube is influenced because the spacing between cutters cannot be adjusted according to the actual use condition in the use process of the existing paper tube cutting machine, and the applicability of the cutting machine is reduced because the structure is single and the waste material collection function is unavailable, and the chips generated in the cutting process cannot be collected in a centralized manner.
In order to achieve the purpose, the utility model provides the following technical scheme: a paper tube cutting machine convenient to adjust comprises a box body, wherein vertical plates are fixedly connected to two sides of the top of the box body, transverse plates are fixedly connected to the tops of the vertical plates, a first motor is fixedly connected to the left side of each vertical plate, a rotating shaft of the first motor penetrates through the right side of each vertical plate and is fixedly connected with a first rotating rod, fans are fixedly connected to the top and the bottom of the right side of the box body, a filter screen is movably connected to an inner cavity of the box body, dust suction pipes are communicated to two sides of the top of the box body, a dust suction cover is communicated with the top ends of the dust suction pipes, a first hydraulic rod is fixedly connected to the right side of the top of the box body, a support matched with the first rotating rod is fixedly connected to the top ends of the first hydraulic rod, second hydraulic rods are fixedly connected to two sides of the top of the transverse plate, the bottom ends of the second hydraulic rods penetrate through the transverse plates and are fixedly connected with a frame body, and a second motor is fixedly connected to the left side of the frame body, the pivot of second motor runs through framework and fixedly connected with second bull stick, the surface cover of second bull stick is equipped with adjusts a section of thick bamboo, the left side fixedly connected with cutting piece of adjusting a section of thick bamboo, the top and the bottom of adjusting a section of thick bamboo all run through and are provided with the lead screw, the right side fixedly connected with third hydraulic stem of framework, the left end of third hydraulic stem runs through the bearing of framework and fixedly connected with and second bull stick looks adaptation.
Preferably, a chuck is fixedly sleeved on the left side of the surface of the first rotating rod, and an air inlet pipe of the fan is communicated with the box body.
Preferably, one end of the screw rod, which is close to the second rotating rod, penetrates through the adjusting cylinder and is in contact with the second rotating rod, the screw rod is in threaded connection with the adjusting cylinder, and one end, which is far away from the adjusting cylinder, of the screw rod is fixedly connected with the turntable.
Preferably, both sides of the top of the box body are fixedly connected with supporting rods, and the top ends of the supporting rods are fixedly connected with the dust hood.
Preferably, the right side of the vertical plate is provided with a rectangular hole, and the rectangular hole is positioned on the right side of the first rotating rod.
Preferably, the front side of the box body is fixedly connected with a cleaning plate, bolts penetrate through the two sides of the front side of the cleaning plate, and the rear ends of the bolts penetrate through the cleaning plate and are in threaded connection with the box body.
Preferably, the front side of the vertical plate is fixedly connected with a controller, and the controller is electrically connected with the fan, the first motor, the first hydraulic rod, the second motor and the third hydraulic rod respectively.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the matching of the fan, the filter screen, the dust collection pipe, the dust collection cover, the first hydraulic rod, the support, the second hydraulic rod, the frame body, the second motor, the second rotating rod, the adjusting cylinder, the cutting blade, the screw rod, the third hydraulic rod and the bearing, the advantages of adjustable cutter spacing and waste collection function are achieved, and the problems that the cutting effect on the paper pipe is influenced because the spacing between the cutters cannot be adjusted according to actual use conditions in the use process of the existing paper pipe cutting machine, and the scrap generated in the cutting process cannot be collected in a centralized manner due to the single structure and the non-waste collection function are solved, and the applicability of the cutting machine is reduced.
2. According to the utility model, the paper tube can be rotated by arranging the first motor and the first rotating rod, dust can be collected by arranging the fan, the filter screen, the dust collection tube and the dust collection cover in the cutting process, so that the accumulation of scraps can be avoided, the first rotating rod can be stably supported by arranging the first hydraulic rod and the bracket, the height of the cutting pieces can be adjusted by arranging the second hydraulic rod, the adjustment of the distance between the cutting pieces by arranging the adjusting cylinder and the screw rod is facilitated for a user, and the second rotating rod can be supported by arranging the third hydraulic rod and the bearing, so that the shaking phenomenon generated in the rotation process can be avoided.
Drawings
FIG. 1 is a first schematic sectional view of the present invention;
FIG. 2 is a schematic sectional view of the structure of the present invention;
FIG. 3 is a perspective view of the present invention;
FIG. 4 is an enlarged schematic view of A in FIG. 1 according to the present invention.
In the figure: the device comprises a box body 1, a vertical plate 2, a transverse plate 3, a first motor 4, a first rotating rod 5, a fan 6, a filter screen 7, a dust suction pipe 8, a dust suction hood 9, a first hydraulic rod 10, a support 11, a second hydraulic rod 12, a frame body 13, a second motor 14, a second rotating rod 15, an adjusting cylinder 16, a cutting blade 17, a screw rod 18, a third hydraulic rod 19, a bearing 20, a chuck 21, a turntable 22, a rectangular hole 23, a cleaning plate 24 and a controller 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The box body 1, the vertical plate 2, the transverse plate 3, the first motor 4, the first rotating rod 5, the fan 6, the filter screen 7, the dust suction pipe 8, the dust suction cover 9, the first hydraulic rod 10, the bracket 11, the second hydraulic rod 12, the frame body 13, the second motor 14, the second rotating rod 15, the adjusting cylinder 16, the cutting blade 17, the screw rod 18, the third hydraulic rod 19, the bearing 20, the chuck 21, the turntable 22, the rectangular hole 23, the cleaning plate 24 and the controller 25 are all universal standard parts or parts known by a person skilled in the art, and the structure and the principle of the cleaning device can be known by the person skilled in the art through technical manuals or conventional experimental methods.
Referring to fig. 1-4, a paper tube cutting machine convenient to adjust comprises a box body 1, wherein two sides of the top of the box body 1 are fixedly connected with supporting rods, the top ends of the supporting rods are fixedly connected with a dust hood 9, the front side of the box body 1 is fixedly connected with a cleaning plate 24, two sides of the front side of the cleaning plate 24 are respectively provided with a bolt in a penetrating manner, the rear ends of the bolts penetrate through the cleaning plate 24 and are in threaded connection with the box body 1, two sides of the top of the box body 1 are respectively fixedly connected with a vertical plate 2, the right side of the vertical plate 2 is provided with a rectangular hole 23, the rectangular hole 23 is positioned on the right side of a first rotating rod 5, the paper tubes are conveniently thrown in by arranging the rectangular hole 23, the front side of the vertical plate 2 is fixedly connected with a controller 25, the controller 25 is respectively and is electrically connected with a fan 6, a first motor 4, a first hydraulic rod 10, a second hydraulic rod 12, a second motor 14 and a third hydraulic rod 19, the top of the vertical plate 2 is fixedly connected with a transverse plate 3, the left side of the vertical plate 2 is fixedly connected with a first motor 4, a rotating shaft of the first motor 4 penetrates through the right side of the vertical plate 2 and is fixedly connected with a first rotating rod 5, the paper tube can be rotated by arranging the first motor 4 and the first rotating rod 5, the top and the bottom of the right side of the box body 1 are both fixedly connected with a fan 6, the left side of the surface of the first rotating rod 5 is fixedly sleeved with a chuck 21, the paper tube is conveniently clamped and fixed by arranging the chuck 21, an air inlet pipe of the fan 6 is communicated with the box body 1, an inner cavity of the box body 1 is movably connected with a filter screen 7, two sides of the top of the box body 1 are both communicated with dust suction pipes 8, the top ends of the dust suction pipes 8 are communicated with a dust hood 9, the fan 6, the filter screen 7, the dust suction pipes 8 and the dust hood 9 are arranged, dust can be sucked and collected for chips generated in the cutting process, thereby avoiding the phenomenon of chip accumulation, the right side of the top of the box body 1 is fixedly connected with a first hydraulic rod 10, the top end of a first hydraulic rod 10 is fixedly connected with a support 11 matched with the first rotating rod 5, the first rotating rod 5 can be stably supported by arranging the first hydraulic rod 10 and the support 11, both sides of the top of a transverse plate 3 are fixedly connected with a second hydraulic rod 12, the height of a cutting piece 17 can be adjusted by arranging the second hydraulic rod 12, the bottom end of the second hydraulic rod 12 penetrates through the transverse plate 3 and is fixedly connected with a frame body 13, the left side of the frame body 13 is fixedly connected with a second motor 14, a rotating shaft of the second motor 14 penetrates through the frame body 13 and is fixedly connected with a second rotating rod 15, the surface of the second rotating rod 15 is sleeved with an adjusting cylinder 16, the left side of the adjusting cylinder 16 is fixedly connected with the cutting piece 17, the top and the bottom of the adjusting cylinder 16 are both penetrated with a screw rod 18, and by arranging the adjusting cylinder 16 and the screw rod 18, a user can conveniently adjust the distance between the cutting pieces 17, one end of a screw rod 18 close to the second rotating rod 15 penetrates through an adjusting cylinder 16 and is contacted with the second rotating rod 15, the screw rod 18 is in threaded connection with the adjusting cylinder 16, one end of the screw rod 18 far away from the adjusting cylinder 16 is fixedly connected with a rotary table 22, the right side of a frame body 13 is fixedly connected with a third hydraulic rod 19, the left end of the third hydraulic rod 19 penetrates through a frame body 13 and is fixedly connected with a bearing 20 matched with the second rotating rod 15, the second rotating rod 15 can be supported by arranging the third hydraulic rod 19 and the bearing 20, the shaking phenomenon generated during rotation is avoided, and the matching of a fan 6, a filter screen 7, a dust suction pipe 8, a dust suction cover 9, a first hydraulic rod 10, a support 11, a second hydraulic rod 12, the frame body 13, a second motor 14, the second rotating rod 15, the adjusting cylinder 16, a cutting sheet 17, the screw rod 18, the third hydraulic rod 19 and the bearing 20 is adopted, so that the cutter interval is adjustable and the waste collection function is realized, the problem of current paper tube cutting type machine in the use, can't adjust the interval between the cutter according to the in-service use condition to the influence is to the cutting effect of paper tube, and because single structure does not have the garbage collection function, can not concentrate the collection to the piece that produces in the cutting process, has reduced the type machine suitability of cutting is solved.
When the paper tube cutting machine is used, the controller 25 controls the first hydraulic rod 10 to contract, the first hydraulic rod 10 drives the support 11 to move downwards, then a paper tube is placed on the surface of the first rotating rod 5 through the rectangular hole 23, the chuck 21 clamps and fixes the paper tube, the controller 25 controls the first motor 4, the second motor 14 and the fan 6 to operate, meanwhile, the controller 25 controls the first hydraulic rod 10 to extend, the first hydraulic rod 10 drives the support 11 to move, the support 11 supports the first rotating rod 5, the rotating shaft of the first motor 4 drives the first rotating rod 5 and the paper tube to rotate, then the rotating shaft of the second motor 14 drives the adjusting cylinder 16 and the cutting blade 17 to rotate, the controller 25 controls the second hydraulic rod 12 to extend, the second hydraulic rod 12 drives the frame body 13 and the cutting blade 17 to move downwards, the cutting blade 17 is in contact with the paper tube so as to cut the paper tube, and the fan 6 collects chips generated during cutting through the dust suction pipe 8 and the dust hood 9, the sweeps fall to the inner chamber of the box body 1 under the action of the dust suction pipe 8, when the cutting pieces 17 need to be added or the distance between the cutting pieces 17 needs to be adjusted, the controller 25 controls the third hydraulic rod 19 to contract, the third hydraulic rod 19 drives the bearing 20 to move on the right side, then the turntable 22 is rotated, the turntable 22 drives the screw rod 18 to rotate, the screw rod 18 enables the screw rod 18 to start to move through being in threaded connection with the adjusting cylinder 16, then the position of the cutting pieces 17 is adjusted through the adjusting cylinder 16, and the cutting pieces 17 can be added through the right end of the second rotating rod 15.
In summary, the following steps: this machine is cut to paper tube convenient to adjust, through fan 6, filter screen 7, dust absorption pipe 8, suction hood 9, first hydraulic stem 10, support 11, second hydraulic stem 12, framework 13, second motor 14, second bull stick 15, adjust a section of thick bamboo 16, cut piece 17, lead screw 18, the cooperation of third hydraulic stem 19 and bearing 20, current machine is cut to paper tube is solved and in the use, can't adjust the interval between the cutter according to the in-service use condition, thereby the influence is to the cutting effect of paper tube, and because single structure, do not have the garbage collection function, can't concentrate the collection to the piece that produces in the cutting process, the problem of cutting the machine suitability has been reduced.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a type machine is cut to paper tube convenient to adjust, includes box (1), its characterized in that: the dust collection box is characterized in that risers (2) are fixedly connected to the two sides of the top of the box body (1), transverse plates (3) are fixedly connected to the top of the risers (2), first motors (4) are fixedly connected to the left sides of the risers (2), rotating shafts of the first motors (4) penetrate through the right sides of the risers (2) and are fixedly connected with first rotating rods (5), fans (6) are fixedly connected to the top and the bottom of the right side of the box body (1), filter screens (7) are movably connected to the inner cavity of the box body (1), dust collection pipes (8) are communicated with the two sides of the top of the box body (1), dust collection covers (9) are communicated with the top ends of the dust collection pipes (8), first hydraulic rods (10) are fixedly connected to the right sides of the top of the box body (1), and supports (11) matched with the first rotating rods (5) are fixedly connected to the top ends of the first hydraulic rods (10), the equal fixedly connected with second hydraulic stem (12) in both sides at diaphragm (3) top, diaphragm (3) and fixedly connected with framework (13) are run through to the bottom of second hydraulic stem (12), left side fixedly connected with second motor (14) of framework (13), framework (13) and fixedly connected with second bull stick (15) are run through to the pivot of second motor (14), the surface cover of second bull stick (15) is equipped with adjusts a section of thick bamboo (16), the left side fixedly connected with cutting piece (17) of adjusting a section of thick bamboo (16), the top and the bottom of adjusting a section of thick bamboo (16) all run through and are provided with lead screw (18), the right side fixedly connected with third hydraulic stem (19) of framework (13), the left end of third hydraulic stem (19) runs through framework (13) and bearing (20) of fixedly connected with and second bull stick (15) looks adaptation.
2. A paper tube cutting machine as defined in claim 1, wherein: the left side of the surface of the first rotating rod (5) is fixedly sleeved with a chuck (21), and an air inlet pipe of the fan (6) is communicated with the box body (1).
3. A paper tube cutting machine easy to adjust as claimed in claim 1, wherein: one end of the screw rod (18) close to the second rotating rod (15) penetrates through the adjusting cylinder (16) and is in contact with the second rotating rod (15), the screw rod (18) is in threaded connection with the adjusting cylinder (16), and one end of the screw rod (18) far away from the adjusting cylinder (16) is fixedly connected with a turntable (22).
4. A paper tube cutting machine as defined in claim 1, wherein: the equal fixedly connected with branch in both sides at box (1) top, the top and the suction hood (9) fixed connection of branch.
5. A paper tube cutting machine as defined in claim 1, wherein: rectangular hole (23) have been seted up on the right side of riser (2), rectangular hole (23) are located the right side of first bull stick (5).
6. A paper tube cutting machine as defined in claim 1, wherein: the cleaning device is characterized in that a cleaning plate (24) is fixedly connected to the front side of the box body (1), bolts penetrate through the two sides of the front side of the cleaning plate (24), and the rear ends of the bolts penetrate through the cleaning plate (24) and are in threaded connection with the box body (1).
7. A paper tube cutting machine as defined in claim 1, wherein: the front side fixedly connected with controller (25) of riser (2), controller (25) respectively with fan (6), first motor (4), first hydraulic stem (10), second hydraulic stem (12), second motor (14) and third hydraulic stem (19) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220317295.5U CN216992105U (en) | 2022-02-17 | 2022-02-17 | Paper tube cutting machine convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220317295.5U CN216992105U (en) | 2022-02-17 | 2022-02-17 | Paper tube cutting machine convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216992105U true CN216992105U (en) | 2022-07-19 |
Family
ID=82393259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220317295.5U Expired - Fee Related CN216992105U (en) | 2022-02-17 | 2022-02-17 | Paper tube cutting machine convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216992105U (en) |
-
2022
- 2022-02-17 CN CN202220317295.5U patent/CN216992105U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112620790A (en) | Energy-saving cutting device for seat board | |
| CN216992105U (en) | Paper tube cutting machine convenient to adjust | |
| CN212399777U (en) | Waste discharge device for label processing | |
| CN209970830U (en) | Paperboard trimming equipment | |
| CN214269068U (en) | Dust collector is used in processing of chemical fertilizer raw materials | |
| CN210650846U (en) | Composite fiber product automatic cutting machine with cleaning and dust collecting functions | |
| CN212046177U (en) | Punching device of automatic bag making machine | |
| CN210010532U (en) | Hardware cutting device with angle adjusting mechanism | |
| CN220971836U (en) | Grinding device of panel beating casing | |
| CN112526086A (en) | A food detects machine for microelement and heavy metal analysis | |
| CN216097834U (en) | Cutting machine with dust removal structure | |
| CN219703331U (en) | Welding rod processingequipment with dust extraction | |
| CN219006389U (en) | Wood shaving machine convenient to adjust | |
| CN221021428U (en) | Cutting device that environmental protection furniture processing was used | |
| CN213289581U (en) | Cutting machine with function is collected to sweeps | |
| CN219234252U (en) | Laser cutting dust collecting equipment | |
| CN215967724U (en) | Full-automatic aluminium diaphragm side cut device with function is collected to piece | |
| CN217412665U (en) | Convenient cutting board saw who adjusts | |
| CN208629638U (en) | A kind of absorption sawdust cutting machine | |
| CN219563441U (en) | Cutting equipment for machining radiation pine laminated wood | |
| CN215241477U (en) | Slotting device for wood splicing machine | |
| CN219600529U (en) | Cutting machine for processing paper boxes | |
| CN220516903U (en) | Paperboard cutting machine | |
| CN215202806U (en) | Novel prevent ponding cutting equipment for pavement brick production | |
| CN219985944U (en) | New energy automobile battery tray shaping device |
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: 20220719 |