CN210100258U - Lower rotary device of mold furnace after sintering and cooling of foamed ceramic - Google Patents

Lower rotary device of mold furnace after sintering and cooling of foamed ceramic Download PDF

Info

Publication number
CN210100258U
CN210100258U CN201920445194.4U CN201920445194U CN210100258U CN 210100258 U CN210100258 U CN 210100258U CN 201920445194 U CN201920445194 U CN 201920445194U CN 210100258 U CN210100258 U CN 210100258U
Authority
CN
China
Prior art keywords
conveying
trolley
cooling
contact piece
subassembly
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.)
Withdrawn - After Issue
Application number
CN201920445194.4U
Other languages
Chinese (zh)
Inventor
孙亚欣
王碧辉
陈雷
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.)
Zhongji Green Building Environmental Protection New Materials (lianyungang) Co Ltd
Original Assignee
Zhongji Green Building Environmental Protection New Materials (lianyungang) 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 Zhongji Green Building Environmental Protection New Materials (lianyungang) Co Ltd filed Critical Zhongji Green Building Environmental Protection New Materials (lianyungang) Co Ltd
Priority to CN201920445194.4U priority Critical patent/CN210100258U/en
Application granted granted Critical
Publication of CN210100258U publication Critical patent/CN210100258U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model provides a slewer under mould stove after foamed ceramic sintering cooling, including two lifting unit, first conveying dolly subassembly, second dolly transmission assembly and supplementary conveying subassembly, foamed ceramic sintering cooling transmission line conveys from a left side to the right side, two lifting unit distribute in the left and right sides of foamed ceramic sintering cooling transmission line, first conveying dolly subassembly, second conveying dolly subassembly and supplementary conveying subassembly set up in foamed ceramic sintering cooling transmission line below, first conveying dolly subassembly, second conveying dolly subassembly and supplementary conveying subassembly set up between two lifting unit. Mould stove under slewer has the speed of practicing thrift the space, guaranteeing mould data send process and the advantage of the stability in the mould data send process after the foamed ceramic sintering cooling.

Description

Lower rotary device of mold furnace after sintering and cooling of foamed ceramic
Technical Field
The utility model relates to a slewer field of mould behind the cooling of foamed ceramic sintering, in particular to slewer under mould stove behind the cooling of foamed ceramic sintering.
Background
At present, the foamed ceramic is taken away after being sintered and cooled, and a mold used in the process of sintering the foamed ceramic is recycled. The rotation of the die at the present stage is carried out in the whole process by adopting a conveying roller way, the occupied space is large, the phenomenon that the conveying roller way is blocked sometimes occurs in the conveying process, and the conveying efficiency of the die cannot be ensured.
Disclosure of Invention
The utility model aims at providing a slewer under mould stove after foamed ceramic sintering cooling solves one or more among the above-mentioned prior art problem.
The utility model provides a slewer under mould stove after foamed ceramic sintering cooling, including two lifting unit, first conveying dolly subassembly, second dolly transmission assembly and supplementary conveying subassembly, foamed ceramic sintering cooling transmission line conveys from a left side to the right side, two lifting unit distribute in the left and right sides of foamed ceramic sintering cooling transmission line, first conveying dolly subassembly, second conveying dolly subassembly and supplementary conveying subassembly set up in foamed ceramic sintering cooling transmission line below, first conveying dolly subassembly, second conveying dolly subassembly and supplementary conveying subassembly set up between two lifting unit.
The right end of the foamed ceramic sintering and cooling transmission line is provided with a first auxiliary limiting block, and the surface of the first auxiliary limiting block is designed in a spherical surface mode.
The lifting assembly comprises two lifting assemblies which are distributed oppositely, each lifting assembly comprises a chain type lifter, each chain type lifter is provided with a lifting platform, each lifting platform is provided with a rotary cylinder connected with an air pump, each rotary cylinder is provided with a rotary shaft, and each rotary shaft is provided with a double-clamping-jaw clamp.
Furthermore, a limiting plate is arranged on the chain type lifter towards one side of the auxiliary conveying assembly. And limiting the conveying range of the first conveying trolley assembly and the second conveying trolley assembly by using a limiting plate.
The first conveying trolley assembly comprises a first conveying trolley and a first conveying trolley driving assembly, the second conveying trolley assembly comprises a second conveying trolley and a second conveying trolley driving assembly, the first conveying trolley driving assembly and the second conveying trolley driving assembly are identical in structure, the first conveying trolley driving assembly and the second conveying trolley driving assembly are symmetrically distributed, the first conveying trolley driving assembly comprises a winch, an auxiliary roller and a steel wire rope, one end of the steel wire rope is connected with the winch, the other end of the steel wire rope penetrates through the first conveying trolley or the second conveying trolley and is connected with the winch around the auxiliary roller, the winch controls left and right conveying of the first conveying trolley and the second conveying trolley through the steel wire rope, and the auxiliary roller is arranged on a placing table of the auxiliary conveying assembly.
Further, the bottom of the first conveying trolley and the bottom of the second conveying trolley are both provided with rollers, the bottom of each roller is provided with a sliding groove, a track is arranged on the ground, the shape, size and position of the track correspond to those of the sliding groove, and the top of the track is embedded in the sliding groove.
Furthermore, a first transmission roller way is arranged on the first conveying trolley, a second transmission roller way with two stations is at least arranged in the auxiliary conveying assembly, the second transmission roller way is arranged on the placing table, a third transmission roller way is arranged on the second conveying trolley, the first transmission roller way, the second transmission roller way and the third transmission roller way are arranged on the same horizontal plane and adopt a transmission design from right to left, a first contact piece is arranged on the outer wall of the right side of the first conveying trolley, a second contact piece and a third contact piece are respectively arranged on the outer walls of the left side and the right side of the placing table, the second contact piece and the third contact piece are both connected with a power supply through wires, a fourth contact piece is arranged on the outer wall of the left side of the second conveying trolley, the position of the fourth contact piece corresponds to the position of the third contact piece, and the position of the second contact piece corresponds to the position of.
Furthermore, a second auxiliary limiting block is arranged on the first conveying trolley on the left side of the first conveying roller way, and the surface of the second auxiliary limiting block is designed in a spherical surface mode. The movement of the die on the surface of the first conveying trolley can be effectively limited through the design of the second auxiliary limiting block. The operation of the lower rotary device of the mold furnace after the whole foamed ceramic is sintered and cooled is more stable and reliable.
Further, a second conveying roller with two stations is arranged in the auxiliary conveying assembly.
The utility model relates to a mould stove slewer under foamed ceramic sintering cooling back's advantage does: it is rational in infrastructure, with low costs, the maintenance of being convenient for, the process of transporting is stable, transports efficiently.
Drawings
FIG. 1 is a schematic structural view of a lower rotary device of a mold furnace after sintering and cooling of foamed ceramics according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A-a of FIG. 1;
fig. 3 is an enlarged view of a portion a-b in fig. 1.
Detailed Description
As shown in fig. 1, the utility model provides a slewer under mould stove after foamed ceramic sintering cooling, including two elevating system, first conveying trolley subassembly, second trolley transmission component and supplementary conveying subassembly, foamed ceramic sintering cooling transmission line 1 conveys from a left side to the right side, two elevating system distribute in the left and right sides of foamed ceramic sintering cooling transmission line 1, first conveying trolley subassembly, second conveying trolley subassembly and supplementary conveying subassembly set up in foamed ceramic sintering cooling transmission line 1 below, first conveying trolley subassembly, second conveying trolley subassembly and supplementary conveying subassembly set up between two elevating system. This can effectively save space and ensure the transmission efficiency of the mold 2.
As a preferred option of this embodiment, as shown in fig. 1 and fig. 2, a first auxiliary limiting block 19 is disposed at the right end of the foamed ceramic sintering and cooling transmission line 1, the first auxiliary limiting block 19 is used for limiting the conveyed mold 2, and the surface of the first auxiliary limiting block 19 is designed in a spherical surface.
Preferably, two lifting assemblies are distributed oppositely, each lifting assembly comprises a chain type lifter 3, a lifting platform 5 is arranged on each chain type lifter 3, a rotary cylinder 6 connected with an air pump is arranged on each lifting platform 5, a rotating shaft is arranged on each rotary cylinder 6, and a double-clamping-jaw clamp 7 is arranged on each rotating shaft.
Preferably, the chain elevator 3 is provided with a limit plate on a side facing the auxiliary conveying assembly. And limiting the conveying range of the first conveying trolley assembly and the second conveying trolley assembly by using a limiting plate.
Preferably, the first transfer trolley assembly comprises a first transfer trolley 17 and a first transfer trolley driving assembly, the second transfer trolley assembly comprises a second transfer trolley 12 and a second transfer trolley driving assembly, the first transfer trolley driving assembly and the second transfer trolley driving assembly have the same structure, the first transfer trolley driving assembly and the second transfer trolley driving assembly are symmetrically distributed, the first transfer trolley driving assembly comprises a winch 8, the auxiliary roller 10 and the wire rope 9, one end of the wire rope 9 is connected with the winch 8, the other end of the wire rope 9 passes through the first conveying trolley 17 or the second conveying trolley 12 and is connected with the winch 8 around the auxiliary roller, the winch 8 controls the left and right conveying of the first conveying trolley 17 and the second conveying trolley 12 through the wire rope 9, and the auxiliary roller 10 is arranged on the placing table 15 of the auxiliary conveying assembly.
Preferably, the bottom of each of the first conveying trolley 17 and the second conveying trolley 12 is provided with a roller 13, the bottom of each roller 13 is provided with a sliding groove, the ground is provided with a rail 11, the shape, size and position of each rail 11 correspond to the shape, size and position of each sliding groove, and the top of each rail 11 is embedded in each sliding groove, so that the first conveying trolley 17 and the second conveying trolley 12 can run more stably.
Preferably, in this embodiment, the first conveying trolley 17 is provided with a first driving roller table 18, the auxiliary conveying assembly is provided with a second conveying roller table 16 with two stations, the second conveying roller table 16 is arranged on the placing table 15, the second conveying trolley 12 is provided with a third conveying roller table 14, the first driving roller table 18, the second conveying roller table 16 and the third conveying roller table 14 are arranged on the same horizontal plane, and all adopt the transmission design from right to left, be equipped with first contact piece on the right side outer wall of first transmission dolly 17, be equipped with second contact piece and third contact piece on the outer wall of the left and right sides of laying platform 15 respectively, second contact piece and third contact piece all are connected with the power through the wire, are equipped with the fourth contact piece on the left outer wall of second transmission dolly 12, and the position of fourth contact piece corresponds with the position of third contact piece, and the position of second contact piece corresponds with the position of first contact piece.
As a preferred advantage of this embodiment, as shown in fig. 1 and fig. 3, a second auxiliary limiting block 20 is disposed on the first conveying trolley 17 on the left side of the first conveying roller 18, and the surface of the second auxiliary limiting block 20 is designed in a spherical surface. The movement of the mold 2 on the surface of the first conveying trolley 17 can be effectively limited by the design of the second auxiliary limiting block 20. The operation of the lower rotary device of the mold furnace after the whole foamed ceramic is sintered and cooled is more stable and reliable.
The mold furnace lower rotating device after the foamed ceramic is sintered and cooled described in the embodiment is controlled by a PLC program, and the working principle is as follows: after demolding, the mold 2 is conveyed to the right end of the foamed ceramic sintering and cooling conveying line 1, at the moment, the lifting platform 5 is in a waiting station for grabbing, the double-jaw clamp 7 is in an initial station of the clamp, the lifting platform 5 is higher than the foamed ceramic sintering and cooling conveying line 1, the rotary cylinder 6 on the lifting platform 5 controls the double-jaw clamp 7 to rotate to the position above the mold 2, the double-jaw clamp 7 is opened, the lifting platform 5 descends to the position where the double-jaw clamp 7 clamps the mold 2, pausing is carried out, then the double-jaw clamp 7 tightens up the clamping mold 2, the rotary cylinder 6 controls the double-jaw clamp 7 to reversely rotate to return to the initial station of the clamp, then the lifting platform 5 drives the rotary cylinder 6, the double-jaw clamp 7 and the mold 2 to descend to the bottom of the mold 2 and the upper surface of the third conveying roller table 14 when the bottom of, at the moment, the second conveying trolley 12 is positioned at an initial station of the second trolley, the right side of the second conveying trolley 12 is in contact with a limiting plate on the right side, the rotary cylinder 6 on the lifting platform 5 controls the double-clamping-jaw clamp 7 to rotate above the third conveying roller way 14, then the double-clamping-jaw clamp 7 is loosened, the mold 2 is separated from the double-clamping-jaw clamp 7, then the lifting platform 5 ascends, the rotary cylinder 6 controls the double-clamping-jaw clamp 7 to rotate reversely in the ascending process, the initial station of the clamp is restored before the foamed ceramic sintering and cooling conveying line 1 is reached, and then the lifting platform 5 continues to move upwards to restore the waiting station for grabbing; meanwhile, the winch 8 drives the second conveying trolley 12 to move leftwards along the rail 11 through the steel wire rope, when the left side of the second conveying trolley 12 is in contact with the right side of the placing table 15, the winch 8 stops working, at the moment, the first conveying trolley 17 is located at a first trolley waiting station, the position of a fourth contact piece is in contact with a third contact piece and is electrified, the position of the second contact piece is in contact with the first contact piece and is electrified, the third conveying roller way 14, the second conveying roller way 16 and the first conveying roller way 18 start to drive the mold 2 to move leftwards, when the mold 2 is separated from the third conveying roller way 14, the position of the fourth contact piece is not in contact with the third contact piece, the third conveying roller way 14 stops working, the winch 8 starts working, and the winch 8 drives the second conveying trolley 12 to move rightwards through the steel wire rope 9 to an initial station of the; when the mold 2 is conveyed to the left side surface of the mold and the second auxiliary limiting block 20, the winch 8 on the other side starts to work, the winch 8 drives the first conveying trolley 17 to move leftwards through the steel wire rope 9, the position of the second contact piece is released from the contact with the first contact piece, the first conveying roller way 18 stops running, when the left side of the first conveying trolley 17 is in contact with the limiting plate on the other chain type elevator 3, the lifting platform 5 on the other chain type elevator 3 is in the second station to be grabbed, the double-clamping-jaw clamp 7 is in the initial station of the second clamp, the lifting platform 5 is higher than the upper surface of the first conveying trolley 17, the rotating cylinder 6 on the lifting platform 5 controls the double-clamping-jaw clamp 7 to rotate to the position above the mold 2, the double-clamping-jaw clamp 7 is opened, then the lifting platform 5 descends to the position where the double-clamping-jaw clamp 7 clamps 7 clamp the mold 2, pauses, then the, then the rotating cylinder 6 controls the double-clamping-jaw clamp 7 to rotate reversely to return to the initial station of the second clamp, the double-clamping-jaw clamp 7 tightens the clamping mould 2, then the rotating cylinder 6 controls the double-clamping-jaw clamp 7 to rotate reversely to return to the initial station of the second clamp, at the moment, the lifting platform 5 drives the rotating cylinder 6, the double-clamping-jaw clamp 7 and the mould 2 to ascend until the bottom of the mould 2 and the upper surface of the foamed ceramic sintering and cooling transmission line 1 are in the same horizontal plane, the lifting platform 5 pauses, the winch 8 starts to work, the winch 8 drives the first transmission trolley 17 to move rightwards to the waiting station of the first trolley through the steel wire rope 9, the rotating cylinder 6 on the lifting platform 5 controls the double-clamping-jaw clamp 7 to rotate to the upper part of the third transmission roller table 14, then the double-clamping-jaw clamp 7 is loosened, the mould 2 is separated from the double, and in the ascending process, the rotating cylinder 6 controls the double-clamping-jaw clamp 7 to rotate reversely to return to the initial station of the second clamp, and then the lifting platform 5 starts to move downwards to return to the second station to be grabbed.
In the embodiment, two conveying trolleys (the first conveying trolley 17 and the second conveying trolley 12) are adopted for sectional conveying, so that the defect that the back-and-forth distance is too long when one conveying trolley is used is effectively overcome, and the working efficiency of conveying the molds under the furnace is effectively ensured.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, similar modifications and improvements can be made without departing from the inventive concept, and these should also be considered as within the protection scope of the present invention.

Claims (8)

1. The utility model provides a slewer under mould stove after foamed ceramic sintering cooling, a serial communication port, including two lifting unit, first conveying dolly subassembly, second dolly transmission element and supplementary conveying subassembly, foamed ceramic sintering cooling transmission line (1) conveys from a left side to the right side, two lifting unit distribute in the left and right sides of foamed ceramic sintering cooling transmission line (1), first conveying dolly subassembly, second conveying dolly subassembly and supplementary conveying subassembly set up in foamed ceramic sintering cooling transmission line (1) below, first conveying dolly subassembly, second conveying dolly subassembly and supplementary conveying subassembly set up between two lifting unit.
2. The mold furnace lower slewing device after sintering and cooling of foamed ceramics according to claim 1, wherein a first auxiliary limiting block (19) is arranged at the right end of the foamed ceramic sintering and cooling transmission line (1), and the surface of the first auxiliary limiting block (19) is designed in a spherical surface manner.
3. The mold furnace lower slewing device after sintering and cooling of foamed ceramics according to claim 1, wherein two lifting assemblies are distributed oppositely, each lifting assembly comprises a chain type lifter (3), a lifting platform (5) is arranged on the chain type lifter (3), a rotary cylinder (6) connected with an air pump is arranged on the lifting platform (5), a rotary shaft is arranged on the rotary cylinder (6), and a double-jaw clamp (7) is arranged on the rotary shaft.
4. The mold furnace lower slewing device after sintering and cooling of foamed ceramics according to claim 1, wherein the first transfer trolley assembly comprises a first transfer trolley (17) and a first transfer trolley driving assembly, the second transfer trolley assembly comprises a second transfer trolley (12) and a second transfer trolley driving assembly, the first transfer trolley driving assembly and the second transfer trolley driving assembly have the same structure, the first transfer trolley driving assembly and the second transfer trolley driving assembly are symmetrically distributed, the first transfer trolley driving assembly comprises a winch (8), an auxiliary roller (10) and a steel wire rope (9), one end of the steel wire rope (9) is connected with the winch (8), and the other end of the steel wire rope (9) passes through the first transfer trolley (17) or the second transfer trolley (12) and is connected with the winch (8) around the auxiliary roller, the winch (8) controls the left and right transmission of the first transmission trolley (17) and the second transmission trolley (12) through a steel wire rope (9), and the auxiliary roller (10) is arranged on a placing platform (15) of the auxiliary transmission assembly.
5. The mold furnace lower rotating device after the sintering and cooling of the foamed ceramics according to claim 4, characterized in that the bottom of the first conveying trolley (17) and the bottom of the second conveying trolley (12) are both provided with rollers (13), the bottom of the rollers (13) are provided with sliding grooves, the ground is provided with rails (11), the shape, size and position of the rails (11) correspond to the shape, size and position of the sliding grooves, and the top of the rails (11) is embedded in the sliding grooves.
6. The mold furnace lower slewing device after sintering and cooling of foamed ceramics according to claim 4, wherein the first conveying trolley (17) is provided with a first conveying roller way (18), the auxiliary conveying assembly is provided with a second conveying roller way (16) with at least two stations, the second conveying roller way (16) is arranged on the placing table (15), the second conveying trolley (12) is provided with a third conveying roller way (14), the first conveying roller way (18), the second conveying roller way (16) and the third conveying roller way (14) are arranged on the same horizontal plane and all adopt a conveying design from right to left, the outer wall of the right side of the first conveying trolley (17) is provided with a first contact piece, the outer walls of the left side and the right side of the placing table (15) are respectively provided with a second contact piece and a third contact piece, and the second contact piece and the third contact piece are both connected with a power supply through a wire, and a fourth contact piece is arranged on the outer wall of the left side of the second conveying trolley (12), the position of the fourth contact piece corresponds to the position of the third contact piece, and the position of the second contact piece corresponds to the position of the first contact piece.
7. The mold furnace lower slewing device after sintering and cooling of foamed ceramics according to claim 6, wherein a second auxiliary limiting block (20) is arranged on the first conveying trolley (17) on the left side of the first conveying roller way (18), and the surface of the second auxiliary limiting block (20) is designed in a spherical surface manner.
8. The foamed ceramic sintering cooling after-mold furnace lower rotary device is characterized in that a second conveying roller way (16) with two stations is arranged in the auxiliary conveying assembly.
CN201920445194.4U 2019-04-03 2019-04-03 Lower rotary device of mold furnace after sintering and cooling of foamed ceramic Withdrawn - After Issue CN210100258U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920445194.4U CN210100258U (en) 2019-04-03 2019-04-03 Lower rotary device of mold furnace after sintering and cooling of foamed ceramic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920445194.4U CN210100258U (en) 2019-04-03 2019-04-03 Lower rotary device of mold furnace after sintering and cooling of foamed ceramic

Publications (1)

Publication Number Publication Date
CN210100258U true CN210100258U (en) 2020-02-21

Family

ID=69536511

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920445194.4U Withdrawn - After Issue CN210100258U (en) 2019-04-03 2019-04-03 Lower rotary device of mold furnace after sintering and cooling of foamed ceramic

Country Status (1)

Country Link
CN (1) CN210100258U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109822720A (en) * 2019-04-03 2019-05-31 中集绿建环保新材料(连云港)有限公司 A kind of foamed ceramic is sintered slewing equipment under cooling rear mold furnace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109822720A (en) * 2019-04-03 2019-05-31 中集绿建环保新材料(连云港)有限公司 A kind of foamed ceramic is sintered slewing equipment under cooling rear mold furnace
CN109822720B (en) * 2019-04-03 2024-04-02 中集绿建环保新材料(连云港)有限公司 Lower rotary device of mold furnace after sintering and cooling of foamed ceramics

Similar Documents

Publication Publication Date Title
CN104708706A (en) Automatic composite heat preservation plate cutting equipment
CN204658647U (en) Composite insulation boards automatic cutting equipment
CN106238694A (en) A kind of hot charging and hot rolling of continuous casting slab process and device
CN104972106A (en) Aluminum alloy ingot casting automatic production line
CN204197920U (en) A kind of ceramic tile board transport mechanism
CN212291502U (en) Four-column type lifting die changing trolley
CN210100258U (en) Lower rotary device of mold furnace after sintering and cooling of foamed ceramic
CN204280693U (en) The supporting plate cart transport frame of block machine
CN206188171U (en) Perpendicular feeding system
CN209396575U (en) Hollow brick automatically unloads base machine
CN109095171B (en) Efficient plate unloading machine for multilayer foam ceramic plates
CN109822720B (en) Lower rotary device of mold furnace after sintering and cooling of foamed ceramics
CN217324777U (en) Novel energy locomotive for automatic laying of track
CN203474277U (en) Non-swinging line hanging type brick clamping machine
CN104669430A (en) PC (poly carbonate) wall board production system
CN212682411U (en) Movable casting production line for lifting of iron weights
CN116789019A (en) Steam curing system
CN105947564A (en) Material feeding and processing sequence shifting device used for section steel processing equipment
CN202316989U (en) Suspended anode casting structure and suspended travelling casting frame
CN105293016A (en) Formed coke blank arrangement and arraying device
CN111702153A (en) Movable casting production line for lifting of iron weights
CN205221989U (en) Pneumatic formed coke body system of arranging
CN217076864U (en) Cast tube bellmouth psammitolite lifts by crane conveyor
CN210758397U (en) Transportation and circulation system of heavy wine jar/pottery jar mold vehicle with weight of more than 200 kilograms
CN206369477U (en) Production refractory brick is with going out kiln plant

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20200221

Effective date of abandoning: 20240402

AV01 Patent right actively abandoned

Granted publication date: 20200221

Effective date of abandoning: 20240402