CN211814613U - Hot galvanizing treatment device - Google Patents

Hot galvanizing treatment device Download PDF

Info

Publication number
CN211814613U
CN211814613U CN201922482216.7U CN201922482216U CN211814613U CN 211814613 U CN211814613 U CN 211814613U CN 201922482216 U CN201922482216 U CN 201922482216U CN 211814613 U CN211814613 U CN 211814613U
Authority
CN
China
Prior art keywords
electric
box
storage box
module
baffle
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Withdrawn - After Issue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
CN201922482216.7U
Other languages
Chinese (zh)
Inventor
范佳
陶友松
彭桂文
姚延杰
徐莹波
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.)
Hangzhou Huajia Standard Piece Co ltd
Original Assignee
Hangzhou Huajia Standard Piece 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 Hangzhou Huajia Standard Piece Co ltd filed Critical Hangzhou Huajia Standard Piece Co ltd
Priority to CN201922482216.7U priority Critical patent/CN211814613U/en
Application granted granted Critical
Publication of CN211814613U publication Critical patent/CN211814613U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Coating With Molten Metal (AREA)

Abstract

The utility model discloses a hot galvanizing treatment device, which aims to provide a hot galvanizing treatment device with low power consumption and high work efficiency. It includes base and electronic box, the electronic box in be equipped with power supply, the electronic box on be equipped with drive module, linking module and put the thing module, put thing module and drive module all be connected with linking module, put the thing module and include storage box and a plurality of baffle, the baffle be located storage box's inside and be connected with storage box, two adjacent baffles constitute a cavity with storage box. The utility model has the advantages that: through the cooperation of the baffle plates and the annular clamping table, a plurality of cavities are formed, a large number of workpieces are accommodated, and the workpieces are prevented from being stacked to cause uneven galvanization; the galvanization, the spin-drying and the cooling are convenient through the holes on the storage box and the baffle; sundries can be prevented from entering through the sealing cover; low power consumption and high working efficiency.

Description

Hot galvanizing treatment device
Technical Field
The utility model relates to a processingequipment technical field that is relevant especially indicates a hot-galvanize processing apparatus.
Background
In general, steel and iron tools manufactured industrially are easily oxidized and corroded in air, and therefore, a galvanization treatment is required in which a molten metal reacts with an iron substrate to form an alloy layer, thereby bonding the substrate and a plating layer to each other. The hot galvanizing is carried out by pickling steel parts, cleaning the steel parts in an ammonium chloride or zinc chloride aqueous solution or an ammonium chloride and zinc chloride mixed aqueous solution tank after pickling in order to remove iron oxide on the surfaces of the steel parts, and then sending the steel parts into a hot dipping tank. The hot galvanizing has the advantages of uniform plating, strong adhesive force, long service life and the like. Some hot galvanizing treatment devices on the market add a plurality of hooks for simultaneous processing treatment, but for surface galvanizing of small-sized workpieces, a large device is needed, power consumption is high, and some hooks are single, but working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides an overcome among the prior art can not satisfy simultaneously that the low power dissipation and work efficiency are high not enough at surface galvanization and the refrigerated in-process that spin-dries, provide a low power dissipation and hot-galvanize processing apparatus that work efficiency is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a hot galvanizing treatment device, includes base and electronic box, the electronic box be connected with the upper end of base, the electronic box in be equipped with power supply, power supply install on the electronic box, the electronic box on be equipped with drive module, linking module and put the thing module, drive module and linking module all be connected with power supply electricity, put thing module and electronic box and be connected, put thing module and drive module all be connected with linking module, put thing module include storage box and a plurality of baffle, the baffle be located storage box's inside and be connected with storage box, two adjacent baffles constitute a cavity with storage box.
The electric box is connected with the upper end of the base, a power supply source is arranged in the electric box, the power supply source is arranged on the electric box, a driving module, a connecting module and a storage module are arranged on the electric box, the driving module and the connecting module are both electrically connected with the power supply source, the driving module and the connecting module are supplied with power through the power supply source and can achieve functions, the storage module is connected with the electric box, the storage module and the driving module are both connected with the connecting module, the storage module comprises a storage box and a plurality of baffle plates, the baffle plates are positioned in the storage box and connected with the storage box, two adjacent baffle plates and the storage box form a cavity, the driving module is connected with the storage module through the connecting module, the storage module is driven by the driving module to carry out surface galvanizing and spin-drying cooling, parts needing galvanizing cannot be stacked too densely, otherwise the galvanizing can be influenced, and the plurality of cavities are, the storage capacity of the storage boxes can be greatly increased, and a plurality of storage boxes are not needed to be galvanized and spin-dried, so that the purposes of low power consumption and high working efficiency can be simultaneously met in the surface galvanizing and spin-drying cooling processes.
Preferably, the base is provided with a hot zinc tank, a spin dryer barrel and a cooling tank, the hot zinc tank, the spin dryer barrel and the cooling tank are sequentially distributed on the base from left to right, the electric box controls the driving module to drive the object placing module to move, so that the object placing module firstly enters the hot zinc tank for surface galvanizing, leaves the hot zinc tank from the galvanizing tank after galvanizing is completed and is combined with the spin dryer barrel in the machine, spin-drying treatment is performed in the spin dryer barrel, leaves the spin dryer barrel from the spin dryer barrel after spin-drying is completed and enters the cooling tank, and cooling treatment is performed in the cooling tank.
As preferred, drive module includes electric roller and electric telescopic handle, electric roller and electric telescopic handle all are connected with the power supply electricity, electric roller is located the inside of electronic box and with electronic box roll connection, even there is the pivot on the electric roller, electric telescopic handle's upper end even has connecting block one, be equipped with the round hole on the connecting block one, electric telescopic handle installs on electric roller through the cooperation of round hole with the pivot, control drive module and put the removal of thing module through electronic box control drive roller, drive the reciprocating of putting the thing module through electronic box control electric telescopic handle.
Preferably, the connection module comprises an electric turntable and an electric lifting rod, the electric lifting rod is connected with the electronic box, the electric turntable and the electric lifting rod are electrically connected with a power supply, the electric lifting rod is connected with the electric turntable and located at the central position of the upper end face of the electric turntable, the electric lifting rod is connected with the electric turntable and located at the central position of the lower end face of the electric turntable, a plurality of electric lifting platforms are arranged on the electric lifting rod, the electric lifting platforms are electrically connected with the power supply, the electric lifting platforms are connected with the electric lifting rod, the rotation of the storage box is controlled through the electric turntable, the up-down movement of the electric lifting platforms is controlled through the electric lifting rod, and the baffle is enabled to move up.
Preferably, the center of baffle is equipped with the through-hole, the baffle passes through the through-hole and is connected with electric lift, the baffle is connected with electric lift and is located electric lift's upper end, be equipped with sealed lid on the electric lift, sealed lid is connected with electric lift, sealed lid is arranged in electric lift's upper end and is located the baffle directly over, the shape of sealed lid is the hemisphere, the diameter of sealed lid open end is greater than the diameter of storage box upper end, it constitutes a plurality of cavity to move down through the baffle, early each cavity is filled with the work piece, electric lift control sealed lid descends, sealed lid can seal the upper end of storage box, because the surface in hot zinc groove has zinc and impurity after the oxidation, so generally will get rid of, therefore hemispherical sealed lid can stop the impurity on hot zinc bath surface and get into in the storage box.
Preferably, the lower terminal surface of the inner part of the storage box is provided with a second connecting block, one end of the second connecting block is connected with the storage box, the other end of the second connecting block is connected with the electric lifting rod, the inner wall of the storage box is provided with a plurality of annular clamping platforms, the annular clamping platforms are sequentially distributed on the inner wall of the storage box from top to bottom, the center of each annular clamping platform is provided with a round hole, the diameter of each round hole of each annular clamping platform is sequentially reduced from top to bottom, and the corresponding baffle can be limited by the corresponding annular clamping platform through the last annular clamping platform due to the gradually reduced diameter.
Preferably, the baffle plates and the annular clamping tables are in the same number and correspond to each other one by one, the diameter of each baffle plate is larger than the diameter of the corresponding circular hole in the annular clamping table and smaller than the diameter of the circular hole in the annular clamping table above the baffle plate, the baffle plates move downwards through the matching of the electric lifting rods and the electric lifting tables, and the annular clamping tables limit the baffle plates to form a cavity for accommodating workpieces.
As the preferred, all be equipped with a plurality of hole on storage box and the baffle, hole evenly distributed can make hot zinc and coolant liquid get into storage box through the hole on storage box and the baffle, can also throw away unnecessary liquid through the cooperation with electronic pivot.
The utility model has the advantages that: through the cooperation of the baffle plates and the annular clamping table, a plurality of cavities are formed, a large number of workpieces are accommodated, and the workpieces are prevented from being stacked to cause uneven galvanization; the galvanization, the spin-drying and the cooling are convenient through the holes on the storage box and the baffle; sundries can be prevented from entering through the sealing cover; low power consumption and high working efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the motorized lift pins;
FIG. 4 is a cross-sectional view of the storage compartment with the stop installed;
FIG. 5 is a cross-sectional view of the storage compartment without the stop;
FIG. 6 is a schematic view of the storage compartment;
FIG. 7 is a schematic view of the stopper;
fig. 8 is a schematic structural diagram of the annular clamping table.
In the figure: 1. the automatic spin-drying machine comprises a base, 2 parts of an electric box, 3 parts of a driving module, 4 parts of a connecting module, 5 parts of a storage module, 6 parts of a storage box, 7 parts of a baffle plate, 8 parts of a hot zinc groove, 9 parts of a spin-drying barrel, 10 parts of a cooling groove, 11 parts of an electric roller, 12 parts of an electric telescopic rod, 13 parts of a first connecting block, 14 parts of an electric rotating disc, 15 parts of an electric lifting rod, 16 parts of an electric lifting platform, 17 parts of through holes, 18 parts of a sealing cover, 19 parts of a second connecting block, 20 parts of an annular clamping platform, 21 parts of round holes and.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
In the embodiment shown in fig. 1 and 2, a hot galvanizing treatment apparatus comprises a base 1 and an electrical box 2, the electrical box 2 is connected with the upper end of the base 1, a power supply is arranged in the electrical box 2, the power supply is mounted on the electrical box 2, the electrical box 2 is provided with a driving module 3, a connecting module 4 and a storage module 5, the driving module 3 and the connecting module 4 are both electrically connected with the power supply, the storage module 5 is connected with the electrical box 2, the storage module 5 and the driving module 3 are both connected with the connecting module 4, the storage module 5 comprises a storage box 6 and a plurality of baffles 7, the baffles 7 are positioned inside the storage box 6 and connected with the storage box 6, two adjacent baffles 7 and the storage box 6 form a chamber, the base 1 is provided with a hot galvanizing groove 8, the spin dryer tube 9 and the cooling tank 10, and the hot zinc tank 8, the spin dryer tube 9 and the cooling tank 10 are sequentially distributed on the base 1 from left to right.
The driving module 3 comprises an electric roller 11 and an electric telescopic rod 12, the electric roller 11 and the electric telescopic rod 12 are both electrically connected with a power supply, the electric roller 11 is positioned inside the electric box 2 and is connected with the electric box 2 in a rolling manner, the electric roller 11 is connected with a rotating shaft, the upper end of the electric telescopic rod 12 is connected with a first connecting block 13, the first connecting block 13 is provided with a round hole, the electric telescopic rod 12 is arranged on the electric roller 11 through the matching of the round hole and the rotating shaft, the connecting module 4 comprises an electric rotary table 14 and an electric lifting rod 15, the electric lifting rod 15 is connected with the electric box 2, the electric rotary table 14 and the electric lifting rod 15 are both electrically connected with the power supply, the electric telescopic rod 12 is connected with the electric rotary table 14 and is positioned at the central position of the upper end face of the electric rotary table 14, the electric lifting rod 15 is connected with the electric rotary table, the electric lifting rod 15 is provided with a plurality of electric lifting platforms 16, the electric lifting platforms 16 are electrically connected with a power supply, and the electric lifting platforms 16 are connected with the electric lifting rod 15. The center of baffle 7 is equipped with through-hole 17, baffle 7 passes through-hole 17 and is connected with electric lift 15, baffle 7 is connected with electric lift 16 and is located electric lift 16's upper end, be equipped with sealed lid 18 on the electric lift 15, sealed lid 18 is connected with electric lift 16's upper end and is located baffle 7 directly over, the shape of sealed lid 18 is the hemisphere, the diameter of sealed lid 18 open end is greater than the diameter of storage box 6 upper end.
Be equipped with second connecting block 19 on the inside lower terminal surface of storage box 6, the one end of second connecting block 19 is connected with storage box 6, the other end and the electric lift pole 15 of second connecting block 19 are connected, as shown in fig. 4 and 5, be equipped with a plurality of annular screens platform 20 on storage box 6's the inner wall, annular screens platform 20 from the top down distributes in proper order on storage box 6's inner wall, the center of annular screens platform 20 is equipped with round hole 21, the diameter from the top down of round hole 21 reduces in proper order on the annular screens platform 20. As shown in fig. 6 and 7, the baffle 7 and the annular blocking table 20 are the same in number and correspond to each other one by one, as shown in fig. 8, the diameter of the baffle 7 is larger than the diameter of the circular hole 21 of the annular blocking table 20 corresponding to the baffle 7 and smaller than the diameter of the circular hole 21 of the annular blocking table 20 above the baffle 7, a plurality of holes 22 are formed in the storage box 6 and the baffle 7, and the holes 22 are uniformly distributed in the storage box 6 and the baffle 7.
When the device is used, a workpiece with galvanization is placed in the storage box 6, the electric box 2 controls the lifting platform 16 to slide downwards on the electric lifting rod 15 to enable the stop dog 7 at the lowest end to be placed on the corresponding annular clamping platform 20 to form a cavity, the workpiece with galvanization is continuously placed in the storage box 6 and repeatedly operated until the workpiece with galvanization is placed on the baffle 7 at the uppermost end, the electric box 2 controls the lifting platform 16 to slide downwards on the electric lifting rod 15 to enable the sealing cover 18 to be placed at the upper end of the storage box 6, the workpiece is placed in the cavity to enable a large number of workpieces not to be stacked together and to be galvanized uniformly, the hemispherical sealing cover 18 is placed at the upper end of the storage box 6, when the storage box 6 is lifted after galvanization is completed, impurities are blocked by the sealing cover 18 and flow into the hot zinc groove 8 through a hemispherical surface, and the galvanization workpieces in the storage box 6 are kept clean. The object box 6 is controlled by the electric box 2 to move by the electric roller 11 and the electric telescopic rod 12 to stretch into the hot zinc bath 8 and to rotate by the electric rotary table 14 to realize galvanizing, the object box 6 is controlled by the electric box 2 to move by the electric roller 11 and the electric telescopic rod 12 to stretch into the spin-drying barrel 9 and to rotate by the electric rotary table 14 to realize spin-drying, the object box 6 is controlled by the electric box 2 to move by the electric roller 11 and the electric telescopic rod 12 to stretch into the cooling bath 10 and to rotate by the electric rotary table 14 to realize active cooling, the electric box 2 is controlled to move the electric roller 11 to the right, the object box 6 is arranged right above the hot zinc bath 8, then the electric telescopic rod 12 is controlled by the electric box 2 to extend, the object box 6 is completely immersed into the hot zinc bath 8, hot zinc enters the object box 6 from the hole 22 to be galvanized, the electric rotary table 14 is controlled by the electric box 2 to rotate, the object, the zinc plating of the workpiece is sufficient and uniform; after the galvanization is finished, the electric box 2 controls the electric telescopic rod 12 to contract and controls the electric roller 11 to move rightwards, so that the storage box 6 is placed right above the spin dryer tube 9, the electric box 2 controls the electric telescopic rod 12 to extend, the storage box 6 completely enters the spin dryer tube 9, the electric box 2 controls the electric turntable 14 to rotate, so that the storage box 6 rapidly rotates in the spin dryer tube 9, and redundant hot zinc is thrown into the spin dryer tube 9 through the holes 22 in high-speed rotation to finish spin drying; after the spin-drying is finished, the electric box 2 controls the electric telescopic rod 12 to contract, the electric roller 11 is controlled to move rightwards, the storage box 6 is arranged right above the cooling tank 10, the electric box 2 controls the electric telescopic rod 12 to extend, the storage box 6 completely enters the cooling tank 10, cooling liquid enters the storage box 6 through the holes 22, the electric box 2 controls the electric rotary table 14 to rotate, the storage box 6 rotates in the cooling tank 10, and workpieces are completely cooled in the cooling tank 10.

Claims (8)

1. A hot galvanizing treatment device which is characterized by comprising a base (1) and an electric box (2), the electric box (2) is connected with the upper end of the base (1), a power supply is arranged in the electric box (2), the power supply is arranged on the electric box (2), the electric box (2) is provided with a driving module (3), a connecting module (4) and an object placing module (5), the driving module (3) and the connecting module (4) are both electrically connected with a power supply, the storage module (5) is connected with the electric box (2), the storage module (5) and the driving module (3) are both connected with the connecting module (4), the storage module (5) comprises a storage box (6) and a plurality of baffles (7), baffle (7) be located the inside of storage box (6) and be connected with storage box (6), two piece adjacent baffles (7) constitute a cavity with storage box (6).
2. A hot galvanizing treatment apparatus according to claim 1, characterized in that the base (1) is provided with a hot zinc bath (8), a spin dryer tube (9) and a cooling bath (10), and the hot zinc bath (8), the spin dryer tube (9) and the cooling bath (10) are sequentially distributed on the base (1) from left to right.
3. The hot galvanizing treatment device according to claim 1, characterized in that the driving module (3) comprises an electric roller (11) and an electric telescopic rod (12), the electric roller (11) and the electric telescopic rod (12) are both electrically connected with a power supply, the electric roller (11) is located inside the electric box (2) and is in rolling connection with the electric box (2), the electric roller (11) is connected with a rotating shaft, the upper end of the electric telescopic rod (12) is connected with a first connecting block (13), the first connecting block (13) is provided with a circular hole, and the electric telescopic rod (12) is installed on the electric roller (11) through the matching of the circular hole and the rotating shaft.
4. A hot dip galvanizing process apparatus according to claim 3, characterized in that the connection module (4) comprises an electric turntable (14) and an electric lifting rod (15), the electric lifting rod (15) is connected with the electric box (2), the electric turntable (14) and the electric lifting rod (15) are both electrically connected with a power supply, the electric telescopic rod (12) is connected with the electric turntable (14) and is positioned at the central position of the upper end surface of the electric turntable (14), the electric lifting rod (15) is connected with the electric turntable (14) and is positioned at the central position of the lower end surface of the electric turntable (14), a plurality of electric lifting platforms (16) are arranged on the electric lifting rod (15), the electric lifting platform (16) is electrically connected with a power supply, and the electric lifting platform (16) is connected with the electric lifting rod (15).
5. A hot dip galvanizing device according to claim 4, characterized in that a through hole (17) is formed in the center of the baffle (7), the baffle (7) is connected with the electric lifting rod (15) through the through hole (17), the baffle (7) is connected with the electric lifting platform (16) and is positioned at the upper end of the electric lifting platform (16), a sealing cover (18) is arranged on the electric lifting rod (15), the sealing cover (18) is connected with the upper end of the electric lifting platform (16) and is positioned right above the baffle (7), the sealing cover (18) is hemispherical, and the diameter of the opening end of the sealing cover (18) is larger than that of the upper end of the storage box (6).
6. A hot dip galvanizing device according to claim 4 or 5, characterized in that a second connecting block (19) is arranged on the lower end face of the inside of the storage box (6), one end of the second connecting block (19) is connected with the storage box (6), the other end of the second connecting block (19) is connected with the electric lifting rod (15), a plurality of annular clamping tables (20) are arranged on the inner wall of the storage box (6), the annular clamping tables (20) are sequentially distributed on the inner wall of the storage box (6) from top to bottom, a round hole (21) is formed in the center of each annular clamping table (20), and the diameter of the round hole (21) on each annular clamping table (20) is sequentially reduced from top to bottom.
7. A hot galvanizing treatment device according to claim 6, characterized in that the baffle plates (7) are in one-to-one correspondence with the annular clamping tables (20), and the diameter of the baffle plate (7) is larger than the diameter of the circular hole (21) of the annular clamping table (20) corresponding to the baffle plate and smaller than the diameter of the circular hole (21) of the annular clamping table (20) above the baffle plate.
8. A hot dip galvanizing apparatus according to claim 1, characterized in that the storage box (6) and the baffle plate (7) are provided with a plurality of holes (22), and the holes (22) are uniformly distributed on the storage box (6) and the baffle plate (7).
CN201922482216.7U 2019-12-31 2019-12-31 Hot galvanizing treatment device Withdrawn - After Issue CN211814613U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922482216.7U CN211814613U (en) 2019-12-31 2019-12-31 Hot galvanizing treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922482216.7U CN211814613U (en) 2019-12-31 2019-12-31 Hot galvanizing treatment device

Publications (1)

Publication Number Publication Date
CN211814613U true CN211814613U (en) 2020-10-30

Family

ID=73040649

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922482216.7U Withdrawn - After Issue CN211814613U (en) 2019-12-31 2019-12-31 Hot galvanizing treatment device

Country Status (1)

Country Link
CN (1) CN211814613U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110938792A (en) * 2019-12-31 2020-03-31 杭州华佳标准件有限公司 Hot galvanizing treatment device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110938792A (en) * 2019-12-31 2020-03-31 杭州华佳标准件有限公司 Hot galvanizing treatment device
CN110938792B (en) * 2019-12-31 2024-05-17 杭州华佳标准件有限公司 Hot galvanizing treatment device

Similar Documents

Publication Publication Date Title
CN102039396A (en) Busbar cast welding device for lead-acid storage battery
CN211814613U (en) Hot galvanizing treatment device
CN106169521B (en) Phosphorosilicate glass machining production line is removed in a kind of processing of crystal silicon solar energy battery
CN201960114U (en) Cast welding machine for storage battery pole groups
CN113967629A (en) 3C product glass lens ultrasonic cleaning machine and cleaning process
CN108043575B (en) Iron fillings separating element in iron fillings clearance system
CN208037532U (en) The pretreating device that a kind of inner-outer circulation is mobile and workpiece rotates automatically
CN115772673B (en) Pickling bath circulation pickling device and method
CN218710717U (en) Steel ball heat treatment quenching device
CN211972416U (en) Hot galvanizing plating assisting tank
CN109868494A (en) A kind of Full-automatic aluminum piston hard anodizing system
CN115627462A (en) Pole piece plating device for sodium ion battery production
CN110938792A (en) Hot galvanizing treatment device
CN212944366U (en) Ultrasonic cleaning device
CN213570797U (en) Continuous production automatic electrophoresis tank
CN212824160U (en) Intelligent manufacturing unit of machine tool
CN211897131U (en) Pickling system
CN203118924U (en) Lifting apparatus for conveying wafers
CN106929890B (en) A kind of magnetic conductance formula Tumble-plating device
CN217383406U (en) Air cooling device for galvanizing of small stamping part
CN220804636U (en) Full-automatic robot motor casing cleaning equipment
CN219861630U (en) Automation system of electrophoresis equipment
CN220845288U (en) Auto-parts surface electrophoresis lacquer handles hoist device
CN212702557U (en) Multi-station leveling machine
CN210922083U (en) Workpiece drying device for hot-dip galvanizing process

Legal Events

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

Granted publication date: 20201030

Effective date of abandoning: 20240517

AV01 Patent right actively abandoned

Granted publication date: 20201030

Effective date of abandoning: 20240517