CN208880433U - Continuous multi-station polishing machine vacuum line self-cleaning control system - Google Patents

Continuous multi-station polishing machine vacuum line self-cleaning control system Download PDF

Info

Publication number
CN208880433U
CN208880433U CN201821847007.7U CN201821847007U CN208880433U CN 208880433 U CN208880433 U CN 208880433U CN 201821847007 U CN201821847007 U CN 201821847007U CN 208880433 U CN208880433 U CN 208880433U
Authority
CN
China
Prior art keywords
pneumatic
ball valve
way ball
vacuum line
iii
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Withdrawn - After Issue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
CN201821847007.7U
Other languages
Chinese (zh)
Inventor
杨佳葳
周斌
李壮志
王青
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.)
Yujing Machine (changsha) Co Ltd
Original Assignee
Yujing Machine (changsha) 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 Yujing Machine (changsha) Co Ltd filed Critical Yujing Machine (changsha) Co Ltd
Priority to CN201821847007.7U priority Critical patent/CN208880433U/en
Application granted granted Critical
Publication of CN208880433U publication Critical patent/CN208880433U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

Continuous multi-station polishing machine vacuum line self-cleaning control system, including vacuum air storage tank, Pneumatic three-way ball valve I, air pressure force snesor I, Pneumatic three-way ball valve II, Pneumatic three-way ball valve III, polishing disk I, polishing disk II and programmable controller;Vacuum air storage tank is connected with Pneumatic three-way ball valve I, air pressure force snesor I, Pneumatic three-way ball valve II, Pneumatic three-way ball valve III are located on the total vacuum line being connected with vacuum air storage tank, and total vacuum line is connected with polishing disk I by being equipped with the vacuum line I of the gentle pressure sensor II of Pneumatic three-way ball valve IV respectively, is connected by being equipped with the vacuum line II of the gentle pressure sensor III of Pneumatic three-way ball valve V with polishing disk II;Programmable controller is connected with Pneumatic three-way ball valve III by solenoid valve I, is connected by solenoid valve II with Pneumatic three-way ball valve II.It using the utility model, can determine whether the vacuum line of each station blocks, and realize automatically washing vacuum pipeline, be conducive to the development of multistation polishing machine.

Description

Continuous multi-station polishing machine vacuum line self-cleaning control system
Technical field
The utility model relates to a kind of continuous multi-station polishing machines, and in particular to a kind of continuous multi-station polishing machine is true Blank pipe road self-cleaning control system.
Background technique
Current polishing absorption is evacuated by vacuum pump, makes to generate negative pressure between product and load plate, in polishing process Middle polishing fluid is by vacuum line, for a long time using be easy to causeing pipeline blockage, once pipeline blockage, need to clear up or more in time It changes, in this way, not only causing waste of material, but also operates also fairly cumbersome.Especially, the development trend of multistation polishing machine makes Vacuum line becomes increasingly complex, and discharge checks road blocking position and brings certain difficulty.
Currently, yet there are no related monitoring vacuum line blocking for the vacuum line of continuous multi-station polishing machine complexity Position, and research and the report of the control system of energy automatically washing vacuum pipeline.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of blocking position that can monitor vacuum line, alarms And shut down the continuous multi-station polishing machine vacuum line self-cleaning control system cleaned automatically.
The technical scheme adopted by the utility model to solve the technical problem is as follows: continuous multi-station polishing machine vacuum line Self-cleaning control system, including it is vacuum air storage tank, Pneumatic three-way ball valve I, air pressure force snesor I, Pneumatic three-way ball valve II, pneumatic Three-way ball valve III, polishing disk I, polishing disk II and programmable controller;
The vacuum air storage tank is connected with Pneumatic three-way ball valve I, air pressure force snesor I respectively, the Pneumatic three-way ball valve II, Pneumatic three-way ball valve III is located on the total vacuum line being connected with vacuum air storage tank, and total vacuum line passes through respectively to be set There is the vacuum line I of the gentle pressure sensor II of Pneumatic three-way ball valve IV to be connected with polishing disk I, by being equipped with Pneumatic three-way ball valve The vacuum line II of V gentle pressure sensor III is connected with polishing disk II;The Pneumatic three-way ball valve I passes through solenoid valve and can Programmable controller is connected;
The programmable controller is connected with air pressure force snesor I, air pressure force snesor II, air pressure force snesor III respectively It connects;
The programmable controller is connected by solenoid valve I with Pneumatic three-way ball valve III, and the solenoid valve I is controllable pneumatic Three-way ball valve III is switched to total vacuum line and connects with cleaning water source interface;
The programmable controller is connected by solenoid valve II with Pneumatic three-way ball valve II, and the solenoid valve II is controllable Pneumatic three-way ball valve II is switched to total vacuum line and connects with compressed air interface
The programmable controller is connected by solenoid valve III with Pneumatic three-way ball valve IV, and the solenoid valve III can control gas Dynamic three-way ball valve IV, connects vacuum line I;
The programmable controller is connected by solenoid valve IV with Pneumatic three-way ball valve V, and the solenoid valve IV is controllable Pneumatic three-way ball valve V connects vacuum line II.
Further, it is additionally provided with polishing disk III, total vacuum line is passed by being equipped with Pneumatic three-way ball valve VI and atmospheric pressure The vacuum line III of sensor IV is connected with polishing disk III, the programmable controller and air pressure force snesor IV be connected;It is described Programmable controller is connected by solenoid valve V with Pneumatic three-way ball valve VI, and the solenoid valve V can control Pneumatic three-way ball valve VI, connect vacuum line III.
Further, it is additionally provided with polishing disk IV, total vacuum line is passed by being equipped with Pneumatic three-way ball valve VII and atmospheric pressure The vacuum line IV of sensor V is connected with polishing disk IV, and the programmable controller is connected with air pressure force snesor V;It is described can Programmable controller is connected by solenoid valve VI with Pneumatic three-way ball valve VII, and the solenoid valve VI can control Pneumatic three-way ball valve VII, connect vacuum line IV.
Further, it is additionally provided with pneumatic two-way valve, the bottom of the vacuum air storage tank passes through pipeline and pneumatic two-way valve It is connected, the pneumatic two-way valve is connected with programmable controller.
Further, the top of the vacuum air storage tank by pipeline respectively with Pneumatic three-way ball valve I, air pressure force snesor I It is connected.
The utility model passes through setting vacuum air storage tank, Pneumatic three-way ball valve I, air pressure force snesor I, the vacuum gas storage Tank is connected respectively with Pneumatic three-way ball valve I, air pressure force snesor I, it can be achieved that vacuum air storage tank vacuum, and detects vacuum air storage tank In vacuum pressure.
The utility model passes through setting Pneumatic three-way ball valve II, Pneumatic three-way ball valve III, the Pneumatic three-way ball valve II, gas Dynamic three-way ball valve III is located on the total vacuum line being connected with vacuum air storage tank, and total vacuum line is pneumatic by being equipped with respectively The vacuum line I of the gentle pressure sensor II of three-way ball valve IV is connected with polishing disk I, is gentle by being equipped with Pneumatic three-way ball valve V The vacuum line II of pressure sensor III is connected with polishing disk II, can not only realize the vacuum suction of workpiece, but also can detection pipe Road vacuum pressure size judges whether pipeline blocks and realize that automatic detergent line provides the foundation to be subsequent.
The utility model by setting programmable controller, the programmable controller respectively with air pressure force snesor I, gas Pressure sensor II, air pressure force snesor III are connected;The programmable controller passes through solenoid valve I and Pneumatic three-way ball valve III It is connected;The programmable controller is connected by solenoid valve II with Pneumatic three-way ball valve II;Wherein, the programmable controller It is compared according to the vacuum pressure inverted signal that respective sensor inputs and judges vacuum pressure size, to judge each station Vacuum line whether block, if blocking, output alarm signal simultaneously shut down, output signal makes solenoid valve control Pneumatic three-way ball Valve connects the vacuum line of this station and cuts off the vacuum line of other stations, and output signal makes solenoid valve I control Pneumatic three-way Ball valve III is switched to total vacuum line and connects cleaning water source, cleans in water source filling line, according to pipeline length, controls electromagnetism The turn-on time of valve I, shutdown that time is up, vacuum line switching is completed, then makes solenoid valve by programmable controller output signal II control Pneumatic three-way ball valve II, is switched to total vacuum line and connects compressed air, and compressed air will be injected water and be diluted in pipeline Polishing fluid afterwards blows out pipeline, to achieve the purpose that the vacuum line for cleaning blocking station automatically.
In brief, the utility model by the basis of vacuum suction pipeline increase monitoring, control and cleaning structure, When monitoring vacuum pressure deficiency, automatically washing vacuum pipeline, the waste water generated in cleaning process by polishing operation at Liquid catching bason discharge.
It using the utility model, can determine whether vacuum line blocks, and realize automatically washing vacuum pipeline, can save Material and reduce production cost, operate it is also very easy, be conducive to the development of multistation polishing machine.
Detailed description of the invention
Fig. 1 is the schematic diagram of continuous multi-station polishing machine vacuum line;
Fig. 2 is continuous multi-station polishing machine vacuum line self-cleaning control system schematic diagram;
In figure: 1- vacuum air storage tank, 2- Pneumatic three-way ball valve I, 3- air pressure force snesor I, 4- Pneumatic three-way ball valve II, 5- Pneumatic three-way ball valve III, 6- Pneumatic three-way ball valve IV, 7- air pressure force snesor II, 8- polishing disk I, 9- Pneumatic three-way ball valve V, 10- air pressure force snesor III, 11- polishing disk II, 12- Pneumatic three-way ball valve VI, 13- air pressure force snesor IV, 14- polishing disk III, 15- Pneumatic three-way ball valve VII, 16- air pressure force snesor V, 17- polishing disk IV, the pneumatic two-way valve of 18-, 19- are programmable Controller, 20- solenoid valve I, 21- solenoid valve II, 22- solenoid valve III, 23- solenoid valve IV, 24- solenoid valve V, 25- solenoid valve Ⅵ。
Specific embodiment
The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.
Embodiment
Referring to Figures 1 and 2, a kind of continuous multi-station polishing machine vacuum line self-cleaning control system, including vacuum storage Gas tank 1, Pneumatic three-way ball valve I 2, air pressure force snesor I 3, Pneumatic three-way ball valve II 4, Pneumatic three-way ball valve III 5, Pneumatic three-way Ball valve IV 6, air pressure force snesor II 7, polishing disk I 8, Pneumatic three-way ball valve V 9, air pressure force snesor III 10, polishing disk II 11, Pneumatic three-way ball valve VI 12, air pressure force snesor IV 13, polishing disk III 14, Pneumatic three-way ball valve VII 15, air pressure force snesor V 16, polishing disk IV 17, pneumatic two-way valve 18, programmable controller 19, solenoid valve I 20, solenoid valve II 21, solenoid valve III 22, Solenoid valve IV 23, solenoid valve V 24 and solenoid valve VI 25;
The top of the vacuum air storage tank 1 is connected with Pneumatic three-way ball valve I 2, air pressure force snesor I 3 respectively by pipeline, The bottom of the vacuum air storage tank 1 is connected by pipeline with pneumatic two-way valve 18;The Pneumatic three-way ball valve II 4, pneumatic three Pass ball valve III 5 is located on the total vacuum line being connected with vacuum air storage tank 1, and total vacuum line is respectively by being equipped with pneumatic three The vacuum line I of the gentle pressure sensor II 7 of pass ball valve IV 6 is connected with polishing disk I 8, by be equipped with Pneumatic three-way ball valve V 9 and The vacuum line II of air pressure force snesor III 10 is connected, by being equipped with Pneumatic three-way ball valve VI 12 and atmospheric pressure with polishing disk II 11 The vacuum line III of sensor IV 13 is connected, by being equipped with the gentle pressure sensor of Pneumatic three-way ball valve VII 15 with polishing disk III 14 V 16 vacuum line IV is connected with polishing disk IV 17;The Pneumatic three-way ball valve I 2, pneumatic two-way valve 18 pass through electricity respectively Magnet valve is connected with programmable controller 19;
The programmable controller 19 respectively with air pressure force snesor I 3, air pressure force snesor II 7, air pressure force snesor III 10, air pressure force snesor IV 13, air pressure force snesor V 16 are connected;
The programmable controller 19 is connected by solenoid valve I 20 with Pneumatic three-way ball valve III 5, and the solenoid valve I 20 can Pneumatic three-way ball valve III 5 is controlled, total vacuum line is switched to and is connected with cleaning water source interface;
The programmable controller 19 is connected by solenoid valve II 21 with Pneumatic three-way ball valve II 4, the solenoid valve II 21 controllable Pneumatic three-way ball valves II 4, are switched to total vacuum line and connect with compressed air interface;
The programmable controller 19 is connected by solenoid valve III 22 with Pneumatic three-way ball valve IV 6, the solenoid valve III 22 Controllable Pneumatic three-way ball valve IV 6, connects vacuum line I;
The programmable controller 19 is connected by solenoid valve IV 23 with Pneumatic three-way ball valve V 9, the solenoid valve IV 23 controllable Pneumatic three-way ball valves V 9 connect vacuum line II;
The programmable controller 19 is connected by solenoid valve V 24 with Pneumatic three-way ball valve VI 12, the solenoid valve V 24 Controllable Pneumatic three-way ball valve VI 12, connects vacuum line III;
The programmable controller 19 is connected by solenoid valve VI 25 with Pneumatic three-way ball valve VII 15, the solenoid valve VI 25 controllable Pneumatic three-way ball valves VII 15 connect vacuum line IV.
The Pneumatic three-way ball valve I 2, Pneumatic three-way ball valve II 4, Pneumatic three-way ball valve III 5, Pneumatic three-way ball valve IV 6, gas Dynamic three-way ball valve V 9, Pneumatic three-way ball valve VI 12, Pneumatic three-way ball valve VII 15, pneumatic two-way valve 18 can also use other The valve of structure.
When work, vacuum pump pumping detects the vacuum pressure in vacuum air storage tank 1 by air pressure force snesor I 3, pneumatically Three-way ball valve II 4 and Pneumatic three-way ball valve III 5 control total vacuum line, and polishing disk I 8 is by Pneumatic three-way ball valve IV 6 and always Vacuum line connection, polishing disk II 11 are coupled by Pneumatic three-way ball valve V 9 with total vacuum line, and polishing disk III 14 passes through pneumatic Three-way ball valve VI 12 couples with total vacuum line, and polishing disk IV 17 is coupled by Pneumatic three-way ball valve VII 15 with total vacuum line, Each polishing disk can freely switch on or off vacuum line as needed, and the polishing disk I 8 for installing workpiece uses air pressure force snesor II 7 detection vacuum pressures, the polishing disk II 11 for installing workpiece detect vacuum pressure using air pressure force snesor III 10, install workpiece Polishing disk III 14 detect vacuum pressure using air pressure force snesor IV 13, the polishing disk IV 17 for installing workpiece passed using atmospheric pressure Sensor V 16 detects vacuum pressure, installs the polishing disk of workpiece because air can pass through seam there are gap between workpiece and disk Gap slowly enters in vacuum line, and vacuum pressure value is stablized in a range, gentle by pipeline into the air in polishing disk Dynamic three-way ball valve enters vacuum air storage tank, influences the vacuum pressure value of vacuum air storage tank, and vacuum air storage tank 1 passes through atmospheric pressure Sensor I 3 detects vacuum pressure, air pressure force snesor II 7, air pressure force snesor III 10, air pressure force snesor IV 13, atmospheric pressure The vacuum pressure that sensor V 16, air pressure force snesor I 3 detect is converted into what programmable controller 19 in Fig. 2 can identify Signal, programmable controller 19 is compared according to the signal of input judges vacuum pressure size, to judge each station Whether vacuum line blocks, if blocking, exports alarm signal and shuts down, output signal makes solenoid valve control Pneumatic three-way ball valve It connects the vacuum line of this station and cuts off the vacuum line of other stations, output signal makes solenoid valve I 20 control Pneumatic three-way Ball valve III 5 is switched to total vacuum line and connects with interface F, and interface F connects cleaning water source, cleans in water source filling line, according to Pipeline length controls the turn-on time of solenoid valve I 20, and shutdown that time is up, vacuum line switching is completed, then by PLC technology 19 output signal of device makes solenoid valve II 21 control Pneumatic three-way ball valve II 4, is switched to total vacuum line and connects with interface E, connects Mouth E connects the compressed air of 0.5 megapascal, and compressed air blows out pipeline for the polishing fluid after water dilutes is injected in pipeline, to reach The purpose of the vacuum line of automatic cleaning blocking station.

Claims (6)

1. continuous multi-station polishing machine vacuum line self-cleaning control system, it is characterised in that: including vacuum air storage tank, pneumatically It three-way ball valve I, air pressure force snesor I, Pneumatic three-way ball valve II, Pneumatic three-way ball valve III, polishing disk I, polishing disk II and can compile Range controller;
The vacuum air storage tank is connected with Pneumatic three-way ball valve I, air pressure force snesor I respectively, the Pneumatic three-way ball valve II, gas Dynamic three-way ball valve III is located on the total vacuum line being connected with vacuum air storage tank, and total vacuum line is pneumatic by being equipped with respectively The vacuum line I of the gentle pressure sensor II of three-way ball valve IV is connected with polishing disk I, is gentle by being equipped with Pneumatic three-way ball valve V The vacuum line II of pressure sensor III is connected with polishing disk II;The Pneumatic three-way ball valve I passes through solenoid valve and programmable control Device processed is connected;
The programmable controller is connected with air pressure force snesor I, air pressure force snesor II, air pressure force snesor III respectively;
The programmable controller is connected by solenoid valve I with Pneumatic three-way ball valve III, and the solenoid valve I can control Pneumatic three-way Ball valve III is switched to total vacuum line and connects with cleaning water source interface;
The programmable controller is connected by solenoid valve II with Pneumatic three-way ball valve II, and the solenoid valve II is controllable pneumatic Three-way ball valve II is switched to total vacuum line and connects with compressed air interface
The programmable controller is connected by solenoid valve III with Pneumatic three-way ball valve IV, and the solenoid valve III can control pneumatic three Pass ball valve IV connects vacuum line I;
The programmable controller is connected by solenoid valve IV with Pneumatic three-way ball valve V, and the solenoid valve IV is controllable pneumatic Three-way ball valve V connects vacuum line II.
2. continuous multi-station polishing machine vacuum line self-cleaning control system according to claim 1, it is characterised in that: It is additionally provided with polishing disk III, total vacuum line passes through the vacuum line equipped with the gentle pressure sensor IV of Pneumatic three-way ball valve VI III is connected with polishing disk III, the programmable controller and air pressure force snesor IV be connected;The programmable controller passes through Solenoid valve V is connected with Pneumatic three-way ball valve VI, and the solenoid valve V can control Pneumatic three-way ball valve VI, connects vacuum line III It is logical.
3. continuous multi-station polishing machine vacuum line self-cleaning control system according to claim 2, it is characterised in that: It is additionally provided with polishing disk IV, total vacuum line passes through the vacuum line equipped with the gentle pressure sensor V of Pneumatic three-way ball valve VII IV is connected with polishing disk IV, and the programmable controller is connected with air pressure force snesor V;The programmable controller passes through electricity Magnet valve VI is connected with Pneumatic three-way ball valve VII, and the solenoid valve VI can control Pneumatic three-way ball valve VII, connects vacuum line IV It is logical.
4. continuous multi-station polishing machine vacuum line self-cleaning control system according to claim 1 or 2 or 3, special Sign is: being additionally provided with pneumatic two-way valve, the bottom of the vacuum air storage tank is connected by pipeline with pneumatic two-way valve, described Pneumatic two-way valve is connected with programmable controller.
5. continuous multi-station polishing machine vacuum line self-cleaning control system according to claim 1 or 2 or 3, special Sign is: the top of the vacuum air storage tank is connected with Pneumatic three-way ball valve I, air pressure force snesor I respectively by pipeline.
6. continuous multi-station polishing machine vacuum line self-cleaning control system according to claim 4, it is characterised in that: The top of the vacuum air storage tank is connected with Pneumatic three-way ball valve I, air pressure force snesor I respectively by pipeline.
CN201821847007.7U 2018-11-10 2018-11-10 Continuous multi-station polishing machine vacuum line self-cleaning control system Withdrawn - After Issue CN208880433U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821847007.7U CN208880433U (en) 2018-11-10 2018-11-10 Continuous multi-station polishing machine vacuum line self-cleaning control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821847007.7U CN208880433U (en) 2018-11-10 2018-11-10 Continuous multi-station polishing machine vacuum line self-cleaning control system

Publications (1)

Publication Number Publication Date
CN208880433U true CN208880433U (en) 2019-05-21

Family

ID=66517927

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821847007.7U Withdrawn - After Issue CN208880433U (en) 2018-11-10 2018-11-10 Continuous multi-station polishing machine vacuum line self-cleaning control system

Country Status (1)

Country Link
CN (1) CN208880433U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109249309A (en) * 2018-11-10 2019-01-22 宇晶机器(长沙)有限公司 Continuous multi-station polishing machine vacuum line self-cleaning control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109249309A (en) * 2018-11-10 2019-01-22 宇晶机器(长沙)有限公司 Continuous multi-station polishing machine vacuum line self-cleaning control system
CN109249309B (en) * 2018-11-10 2024-03-08 宇晶机器(长沙)有限公司 Vacuum pipeline self-cleaning control system of continuous multi-station polishing machine

Similar Documents

Publication Publication Date Title
CN101091846B (en) Vertical type full automatic plate-and-frame filter press, and filter technique
CN203723176U (en) Bag opening device and bagging machine with bag opening device
CN104979236B (en) A kind of chemical liquid supplying device and its supply method
CN208880433U (en) Continuous multi-station polishing machine vacuum line self-cleaning control system
CN206511662U (en) Thick and thin phase burner plugging handling system
CN202057464U (en) Mold water delivery detection machine
CN201678826U (en) Automatic dust collection device
CN204417793U (en) A kind of filtrate bag pinprick work seal device
CN109249309A (en) Continuous multi-station polishing machine vacuum line self-cleaning control system
CN205324251U (en) Full automatic cleaning machine of rolling mill
CN208880497U (en) Continuous multi-station polishing machine vacuum suction pipe-line system
CN202028266U (en) Counter-blower discharging device for vacuum filter
CN216411925U (en) Automatic feeding control system of dry grinding wire drawing machine
CN209587660U (en) A kind of compressed air automation supply and detection device
CN210699199U (en) Ash removal device of negative pressure reverse suction bag-type dust remover for high-carbon chromite thermoelectric furnace for energy-saving low-power-consumption coal source power generation
CN208891779U (en) A kind of glue filling device convenient for product shoes production
CN208103360U (en) It is a kind of with the vacuum feeder for detecting whether feeding function
CN202913479U (en) Bathroom ceramic water-testing detector
CN203408788U (en) Full-automatic permanent magnet deironing machine
CN207258488U (en) Multicolumn horizontal synchronization driving device
CN203329528U (en) Intelligent concentrated remote-control offline ash removal device
CN206520227U (en) A kind of vacuum-pumping pipeline applied to plastics suction mould
CN206965390U (en) A kind of communications equipment room dustproof static-proof electric installation
CN205203855U (en) Automatic flowing back vacuum buffer tank
CN206229099U (en) A kind of automatic fluidizer of the deashing of sack cleaner

Legal Events

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

Granted publication date: 20190521

Effective date of abandoning: 20240308

AV01 Patent right actively abandoned

Granted publication date: 20190521

Effective date of abandoning: 20240308

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned