CN210254473U - Five metals tubular product cutting device - Google Patents
Five metals tubular product cutting device Download PDFInfo
- Publication number
- CN210254473U CN210254473U CN201920749221.7U CN201920749221U CN210254473U CN 210254473 U CN210254473 U CN 210254473U CN 201920749221 U CN201920749221 U CN 201920749221U CN 210254473 U CN210254473 U CN 210254473U
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- assembly
- cutting
- driving
- conveying
- clamping
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- 238000005520 cutting process Methods 0.000 title claims abstract description 95
- 229910052751 metal Inorganic materials 0.000 title abstract description 14
- 239000002184 metal Substances 0.000 title abstract description 14
- 150000002739 metals Chemical class 0.000 title abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000003860 storage Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 7
- 239000002351 wastewater Substances 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
A hardware pipe cutting device comprises an operation table, a mounting frame, a conveying assembly, a clamping assembly, a cutting assembly and a cooling assembly; the mounting frame is arranged on the operating platform in a crossing manner; the conveying assembly is arranged at the upper end of the operating platform; the clamping assembly is arranged above the conveying assembly; the cutting assembly and the cooling assembly are both arranged at the top end of the mounting frame; the cutting end of the cutting assembly faces the clamping assembly. The utility model discloses a conveying component, centre gripping subassembly and cutting assembly cooperation cut a plurality of five metals pipe fittings simultaneously in succession, and need not artifical manual fixed, and fixed firm, the cutting effect is good, cuts efficiently.
Description
Technical Field
The utility model relates to a hardware processing field especially relates to a five metals tubular product cutting device.
Background
Five metals tubular product need cut according to actual demand in the use, and current five metals tubular product cutting device need cooperate the workman to push down one end manually, and reuse cutting equipment cutting is fixed unstable, influences the effect of cutting, and cuts inefficiency, has influenced the job progress.
In order to solve the problems, the application provides a hardware pipe cutting device.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a five metals tubular product cutting device, the utility model discloses a conveying component, centre gripping subassembly and cutting assembly cooperation are cut a plurality of five metals pipe fittings simultaneously in succession, and need not artifical manual fixed, and are fixed firm, and the cutting effect is good, cuts efficiently.
(II) technical scheme
In order to solve the problems, the utility model provides a hardware pipe cutting device, which comprises an operation table, a mounting rack, a conveying assembly, a clamping assembly, a cutting assembly and a cooling assembly; the mounting frame is arranged on the operating platform in a crossing manner; the conveying assembly is arranged at the upper end of the operating platform; the clamping assembly is arranged above the conveying assembly; the cutting assembly and the cooling assembly are both arranged at the top end of the mounting frame; the cutting end of the cutting assembly faces the clamping assembly; the conveying assembly comprises a conveying roller and a first driving motor; a plurality of conveying rollers are arranged into a group, and a plurality of groups are arranged; the conveying rollers are horizontally arranged on the operating platform and are rotatably connected with the mounting frames on the corresponding sides; the first driving motors are arranged corresponding to the number of groups of conveying rollers and are in transmission connection with the plurality of conveying rollers in each group; the clamping assembly comprises a clamping plate and a driving cylinder; the clamping plate is arranged above the plurality of groups of conveying rollers and is positioned between the two adjacent groups of conveying rollers, and a cutting through groove is formed in the clamping plate; the driving cylinders for driving the clamping plate to move up and down are arranged on the left side and the right side of the mounting frame; the cutting assembly comprises a first driving device, a movable air cylinder and cutting equipment; the movable cylinder moving along the left-right direction is arranged at the top end of the mounting rack; the driving device for controlling the movement of the movable cylinder is arranged on the mounting frame; the cutting equipment is arranged at the piston rod end of the movable cylinder, and a cutting knife is arranged on the cutting equipment; the motion trail of the cutting knife is matched with the position of the cutting through groove.
Preferably, the conveying assembly further comprises a rotating shaft and a first belt; two ends of the conveying roller are respectively rotatably connected with the mounting frame through rotating shafts on corresponding sides; the main shaft of the first driving motor is connected with the rotating shaft on the same side through a first belt in a transmission manner.
Preferably, the conveying roller is provided with a snap ring.
Preferably, the lower end of the clamping plate is provided with a clamping groove matched with the position of the clamping ring.
Preferably, the clamping assembly further comprises a moving member and an elastic member; vertical mounting grooves are formed in the frame bodies on the left side and the right side of the mounting frame; the two groups of moving parts are respectively connected with the left end and the right end of the clamping plate and extend into the mounting grooves on the corresponding sides; the driving cylinder is arranged in the mounting groove, and the piston rod end of the driving cylinder is connected with the moving piece; the elastic component is arranged at the lower end of the moving component, and the other end of the elastic component is connected with the bottom of the mounting groove.
Preferably, the first driving device comprises a second driving motor, a second belt, a moving block and a lead screw; the screw rod is horizontally arranged in the inner cavity at the top end of the mounting rack along the left-right direction, and two ends of the screw rod are rotatably connected with the inner wall of the cavity of the mounting rack; the second driving motor is arranged on the mounting frame, and a main shaft of the second driving motor is in transmission connection with one end of the screw rod through a second belt; the upper end of the moving block is in threaded connection with a lead screw, and the lower single is connected with a moving cylinder.
Preferably, the lead screw is provided with a reciprocating thread.
Preferably, the cooling component comprises a water storage tank, a push rod, a second driving device, a three-way pipe and a spray head; the water storage tank is arranged at the top end of the mounting frame; the push rod is transversely arranged on the right side of the water storage tank, and a vertical piston is arranged at one end of the push rod extending into the water storage tank; the piston is connected with the inner wall of the water storage tank in a sealing and sliding way; the second driving device for driving the push rod to move back and forth is arranged on the mounting frame; the three-way pipe is communicated with the left side of the water storage tank, and a first one-way valve is arranged on an upper end pipe of the three-way pipe; the first one-way valve is communicated with external water inlet equipment and can only feed water; a second one-way valve is arranged on the lower end pipe; the second one-way valve is communicated with the spray head and only can discharge water.
Preferably, the operating platform is provided with a liquid leakage hole, and the bottom end of the operating platform is provided with a wastewater recovery tank; the waste water recovery tank is communicated with the liquid leakage hole.
The above technical scheme of the utility model has following profitable technological effect:
the utility model discloses a conveying component, centre gripping subassembly and cutting assembly mating reaction cut a plurality of five metals pipe fittings simultaneously in succession, and need not artifical manual fixed, and is fixed firm, and the cutting effect is good, cuts efficiently.
Two, the utility model discloses a cooling subassembly effect for the automatic completion of device adds water and to cutting equipment's cooling, has prolonged cutting equipment's life, and the dust that has reduced the cutting production flies upward.
Drawings
Fig. 1 is the utility model provides a five metals tubular product cutting device's schematic structure diagram.
Fig. 2 is the utility model provides a five metals tubular product cutting device's left side view.
Fig. 3 is the utility model provides a drive actuating cylinder and grip block connected relation's schematic diagram among five metals tubular product cutting device.
Fig. 4 is the utility model provides a cross-sectional view of cooling component among five metals tubular product cutting device.
Fig. 5 is the utility model provides a top view of conveying roller and grip block among five metals tubular product cutting device.
Reference numerals: 1. an operation table; 2. a mounting frame; 3. a delivery assembly; 4. a clamping assembly; 5. a cutting assembly; 6. a cooling assembly; 7. a conveying roller; 8. a first belt; 9. a first drive motor; 10. a snap ring; 11. a clamping plate; 12. a driving cylinder; 13. a moving member; 14. an elastic member; 15. mounting grooves; 16. a rotating shaft; 17. a moving cylinder; 18. cutting equipment; 19. cutting a through groove; 20. a second drive motor; 21. a second belt; 22. a lead screw; 23. a water storage tank; 24. a push rod; 25. a second driving device; 26. a spray head; 27. a three-way pipe; 28. a first check valve; 29. a second one-way valve; 30. a wastewater recovery tank; 31. a piston.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-5, the cutting device for hardware pipes provided by the present invention comprises an operation table 1, a mounting frame 2, a conveying assembly 3, a clamping assembly 4, a cutting assembly 5 and a cooling assembly 6; the mounting frame 2 is arranged on the operating platform 1 in a crossing manner; the conveying component 3 is arranged at the upper end of the operating platform 1; the clamping component 4 is arranged above the conveying component 3; the cutting assembly 5 and the cooling assembly 6 are both arranged at the top end of the mounting frame 2; the cutting end of the cutting assembly 5 faces the clamping assembly 4; the conveying assembly 3 comprises a conveying roller 7 and a first driving motor 9; a plurality of conveying rollers 7 are arranged into a group; a plurality of groups of conveying rollers 7 are horizontally and transversely arranged on the operating platform 1 and are rotatably connected with the mounting frames 2 on the corresponding sides; the first driving motors 9 are arranged corresponding to the number of groups of the conveying rollers 7 and are in transmission connection with the plurality of conveying rollers 7 in each group; the clamping assembly 4 comprises a clamping plate 11 and a driving cylinder 12; the clamping plate 11 is arranged above the plurality of groups of conveying rollers 7 and is positioned between the two adjacent groups of conveying rollers 7, and a cutting through groove 19 is formed in the clamping plate 11; driving cylinders 12 for driving the clamping plate 11 to move up and down are arranged on the left and right sides of the mounting frame 2; the cutting assembly 5 comprises a first driving device, a moving cylinder 17 and a cutting device 18; a moving cylinder 17 moving in the left-right direction is provided at the top end of the mounting frame 2; the driving device for controlling the movement of the movable air cylinder 17 is arranged on the mounting frame 2; the cutting device 18 is arranged at the piston rod end of the movable cylinder 17, and a cutting knife is arranged on the cutting device 18; the movement track of the cutting knife is matched with the position of the cutting through groove 19. In an alternative embodiment, the conveyor assembly 3 further comprises a rotating shaft 16 and a first belt 8; two ends of the conveying roller 7 are respectively rotatably connected with the mounting frame 2 through rotating shafts 16 on corresponding sides; the main shaft of the first driving motor 9 is in transmission connection with a rotating shaft 16 on the same side through a first belt 8.
In an alternative embodiment, the transport roller 7 is provided with a snap ring 10.
In an alternative embodiment, the lower end of the clamping plate 11 is provided with a clamping groove matched with the position of the clamping ring 10.
In an alternative embodiment, the gripping assembly 4 further comprises a moving member 13 and an elastic member 14; vertical mounting grooves 15 are formed in the frame bodies on the left side and the right side of the mounting frame 2; two groups of moving parts 13 are arranged, and the two groups of moving parts 13 are respectively connected with the left end and the right end of the clamping plate 11 and extend into the mounting grooves 15 on the corresponding sides; the driving cylinder 12 is arranged in the mounting groove 15, and the piston rod end of the driving cylinder 12 is connected with the moving piece 13; the elastic member 14 is disposed at the lower end of the moving member 13, and the other end is connected to the bottom of the mounting groove 15. In an alternative embodiment, the first driving means includes a second driving motor 20, a second belt 21, a moving block, and a lead screw 22; the screw rod 22 is horizontally arranged in the inner cavity at the top end of the mounting rack 2 along the left-right direction, and two ends of the screw rod are rotatably connected with the inner wall of the cavity of the mounting rack; the second driving motor 20 is arranged on the mounting frame 2, and a main shaft of the second driving motor 20 is in transmission connection with one end of a lead screw 22 through a second belt 21; the upper end of the moving block is in threaded connection with a lead screw 22, and the lower single is connected with a moving cylinder 17.
In an alternative embodiment, lead screw 22 is provided with a reciprocating thread.
In an alternative embodiment, the cooling assembly 6 comprises a water reservoir 23, a push rod 24, a second drive means 25, a tee 27 and a spray head 26; the water storage tank 23 is arranged at the top end of the mounting frame 2; the push rod 24 is transversely arranged on the right side of the water storage tank 23, and one end of the push rod 24 extending into the water storage tank 23 is provided with a vertical piston 31; the piston 31 is in sealing sliding connection with the inner wall of the water storage tank 23; a second driving device for driving the push rod 24 to move back and forth is arranged on the mounting frame 2; the three-way pipe 27 is communicated with the left side of the water storage tank 23, and a first one-way valve 28 is arranged on the upper end pipe of the three-way pipe 27; the first one-way valve 28 is communicated with external water inlet equipment and only can feed water; the lower end pipe is provided with a second one-way valve 29; the second one-way valve 29 is communicated with the spray head 26 and only can discharge water.
In an alternative embodiment, the operation table 1 is provided with a liquid leakage hole, and the bottom end of the operation table 1 is provided with a waste water recovery tank 30; the wastewater recovery tank 30 is communicated with the weep hole.
In the utility model, before cutting operation, a plurality of hardware pipe fittings are sequentially placed on the snap ring 10 of the conveying roller 7, the first driving motor 9 is started, the conveying roller 7 rotates to convey the hardware pipe fittings forwards, when the cutting position of the hardware pipe fittings is positioned under the clamping plate 11, the first driving motor 9 is closed, the driving cylinder 12 pushes the clamping plate 11 to move downwards, the clamping groove clamps the upper end of the hardware pipe fittings, the action of a plurality of groups of conveying rollers 7 at the front end and the rear end is matched to fixedly clamp the hardware pipe fittings, then the moving cylinder 17 and the cutting equipment 18 are started, the cutting knife of the cutting equipment 18 is extended into the cutting through groove 19, the second driving motor 20 is started, the lead screw 22 drives the cutting equipment 18 to move back and forth along the cutting through groove 19, and cuts the hardware pipe fittings at the lower part, after the cutting is finished, the clamping plate 11 moves upwards, the conveying roller 7 rotates, the, the cutting device can repeatedly perform cutting operation, can continuously cut a plurality of hardware pipe fittings at the same time, does not need manual fixation, and has firm fixation, good cutting effect and high cutting efficiency; in the cutting process, the second driving device 25 pushes the piston 31 to move back and forth by utilizing the push rod 24, so that the pressure in the water storage tank 23 is constantly changed, when the pressure is increased, the second one-way valve 29 is opened, the spray head 26 discharges water, when the pressure is reduced, the first one-way valve 28 is opened, water is fed into the device, water feeding and cooling of the cutting equipment 18 are automatically completed, the service life of the cutting equipment 18 is prolonged, and dust generated by cutting is reduced.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. A hardware pipe cutting device is characterized by comprising an operation table (1), a mounting frame (2), a conveying assembly (3), a clamping assembly (4), a cutting assembly (5) and a cooling assembly (6); the mounting rack (2) is arranged on the operating platform (1) in a crossing manner; the conveying assembly (3) is arranged at the upper end of the operating platform (1); the clamping assembly (4) is arranged above the conveying assembly (3); the cutting assembly (5) and the cooling assembly (6) are both arranged at the top end of the mounting rack (2); the cutting end of the cutting component (5) faces the clamping component (4);
the conveying assembly (3) comprises a conveying roller (7) and a first driving motor (9); a plurality of conveying rollers (7) are arranged into a group, and a plurality of groups are arranged; a plurality of groups of conveying rollers (7) are horizontally and transversely arranged on the operating platform (1) and are rotatably connected with the mounting frames (2) on the corresponding sides; the first driving motors (9) are arranged corresponding to the groups of the conveying rollers (7) and are in transmission connection with the plurality of conveying rollers (7) in each group;
the clamping assembly (4) comprises a clamping plate (11) and a driving cylinder (12); the clamping plate (11) is arranged above the plurality of groups of conveying rollers (7) and is positioned between the two adjacent groups of conveying rollers (7), and a cutting through groove (19) is arranged on the clamping plate (11); driving cylinders (12) for driving the clamping plate (11) to move up and down are arranged on the left side and the right side of the mounting rack (2);
the cutting assembly (5) comprises a first driving device, a moving air cylinder (17) and a cutting device (18); a moving cylinder (17) moving along the left-right direction is arranged at the top end of the mounting rack (2); the driving device for controlling the movement of the movable air cylinder (17) is arranged on the mounting frame (2); the cutting equipment (18) is arranged at the piston rod end of the movable cylinder (17), and a cutting knife is arranged on the cutting equipment (18); the movement track of the cutting knife is matched with the position of the cutting through groove (19).
2. The hardware pipe cutting device according to claim 1, wherein the conveying assembly (3) further comprises a rotating shaft (16) and a first belt (8); two ends of the conveying roller (7) are respectively rotatably connected with the mounting rack (2) through rotating shafts (16) on corresponding sides; the main shaft of the first driving motor (9) is in transmission connection with a rotating shaft (16) on the same side through a first belt (8).
3. The hardware pipe cutting device according to claim 1, wherein a snap ring (10) is arranged on the conveying roller (7).
4. The hardware pipe cutting device according to claim 1, wherein a clamping groove matched with the position of the clamping ring (10) is formed in the lower end of the clamping plate (11).
5. The hardware pipe cutting device according to claim 1, wherein the clamping assembly (4) further comprises a moving member (13) and an elastic member (14); vertical mounting grooves (15) are formed in the frame bodies on the left side and the right side of the mounting frame (2); two groups of moving parts (13) are arranged, and the two groups of moving parts (13) are respectively connected with the left end and the right end of the clamping plate (11) and extend into the mounting grooves (15) on the corresponding sides; the driving cylinder (12) is arranged in the mounting groove (15), and the piston rod end of the driving cylinder (12) is connected with the moving piece (13); the elastic piece (14) is arranged at the lower end of the moving piece (13), and the other end of the elastic piece is connected with the bottom of the mounting groove (15).
6. The hardware pipe cutting device according to claim 1, wherein the first driving device comprises a second driving motor (20), a second belt (21), a moving block and a lead screw (22); the screw rod (22) is horizontally arranged in the inner cavity at the top end of the mounting rack (2) along the left-right direction, and two ends of the screw rod are rotatably connected with the inner wall of the cavity of the mounting rack; the second driving motor (20) is arranged on the mounting rack (2), and a main shaft of the second driving motor (20) is in transmission connection with one end of a lead screw (22) through a second belt (21); the upper end of the moving block is in threaded connection with a lead screw (22), and the lower single is connected with a moving cylinder (17).
7. The hardware pipe cutting device according to claim 6, wherein the lead screw (22) is provided with a reciprocating thread.
8. The hardware pipe cutting device according to claim 1, wherein the cooling assembly (6) comprises a water storage tank (23), a push rod (24), a second driving device (25), a three-way pipe (27) and a spray head (26); the water storage tank (23) is arranged at the top end of the mounting frame (2); the push rod (24) is transversely arranged on the right side of the water storage tank (23), and a vertical piston (31) is arranged at one end of the push rod (24) extending into the water storage tank (23); the piston (31) is in sealed sliding connection with the inner wall of the water storage tank (23); a second driving device for driving the push rod (24) to move back and forth is arranged on the mounting frame (2); the three-way pipe (27) is communicated with the left side of the water storage tank (23), and a first one-way valve (28) is arranged on the upper end pipe of the three-way pipe (27); the first one-way valve (28) is communicated with external water inlet equipment; a second one-way valve (29) is arranged on the lower end pipe; the second check valve (29) is communicated with the spray head (26).
9. The hardware pipe cutting device according to claim 1, wherein a liquid leakage hole is formed in the operation table (1), and a waste water recovery tank (30) is arranged at the bottom end of the operation table (1); the waste water recovery tank (30) is communicated with the liquid leakage hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920749221.7U CN210254473U (en) | 2019-05-23 | 2019-05-23 | Five metals tubular product cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920749221.7U CN210254473U (en) | 2019-05-23 | 2019-05-23 | Five metals tubular product cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210254473U true CN210254473U (en) | 2020-04-07 |
Family
ID=70026169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920749221.7U Expired - Fee Related CN210254473U (en) | 2019-05-23 | 2019-05-23 | Five metals tubular product cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210254473U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687478A (en) * | 2020-05-31 | 2020-09-22 | 王水波 | Slitting machine |
| CN112743614A (en) * | 2020-12-23 | 2021-05-04 | 日丰企业(黄石)有限公司 | Automatic cutting equipment and cutting method for plastic pipe machining |
| CN113118786A (en) * | 2021-03-03 | 2021-07-16 | 刘广全 | Copper pipe tailing is processing equipment in batches |
| CN113953578A (en) * | 2021-09-30 | 2022-01-21 | 江苏中康金属材料有限公司 | Automatic cutting device of nonrust steel pipe |
| CN114453652A (en) * | 2022-01-19 | 2022-05-10 | 青岛科技大学 | Intelligent automatic machining platform of electromechanical equipment |
| CN115055240A (en) * | 2022-04-24 | 2022-09-16 | 唐瑜 | Rice processing grinding device |
-
2019
- 2019-05-23 CN CN201920749221.7U patent/CN210254473U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687478A (en) * | 2020-05-31 | 2020-09-22 | 王水波 | Slitting machine |
| CN112743614A (en) * | 2020-12-23 | 2021-05-04 | 日丰企业(黄石)有限公司 | Automatic cutting equipment and cutting method for plastic pipe machining |
| CN113118786A (en) * | 2021-03-03 | 2021-07-16 | 刘广全 | Copper pipe tailing is processing equipment in batches |
| CN113953578A (en) * | 2021-09-30 | 2022-01-21 | 江苏中康金属材料有限公司 | Automatic cutting device of nonrust steel pipe |
| CN113953578B (en) * | 2021-09-30 | 2022-08-09 | 江苏中康金属材料有限公司 | Automatic cutting device of nonrust steel pipe |
| CN114453652A (en) * | 2022-01-19 | 2022-05-10 | 青岛科技大学 | Intelligent automatic machining platform of electromechanical equipment |
| CN114453652B (en) * | 2022-01-19 | 2023-09-19 | 青岛科技大学 | Intelligent automatic processing platform of electromechanical equipment |
| CN115055240A (en) * | 2022-04-24 | 2022-09-16 | 唐瑜 | Rice processing grinding device |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20200407 |