CN109822341A - A kind of network transformer automatic assembling production line - Google Patents

A kind of network transformer automatic assembling production line Download PDF

Info

Publication number
CN109822341A
CN109822341A CN201910138985.7A CN201910138985A CN109822341A CN 109822341 A CN109822341 A CN 109822341A CN 201910138985 A CN201910138985 A CN 201910138985A CN 109822341 A CN109822341 A CN 109822341A
Authority
CN
China
Prior art keywords
automatic assembling
feeding
network transformer
track
production line
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Withdrawn
Application number
CN201910138985.7A
Other languages
Chinese (zh)
Inventor
付文武
陈新裕
林仲添
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.)
ZHONGSHAN HENGNUO ELECTRONIC EQUIPMENT CO Ltd
Original Assignee
ZHONGSHAN HENGNUO ELECTRONIC EQUIPMENT 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 ZHONGSHAN HENGNUO ELECTRONIC EQUIPMENT CO Ltd filed Critical ZHONGSHAN HENGNUO ELECTRONIC EQUIPMENT CO Ltd
Priority to CN201910138985.7A priority Critical patent/CN109822341A/en
Publication of CN109822341A publication Critical patent/CN109822341A/en
Withdrawn legal-status Critical Current

Links

Landscapes

  • Specific Conveyance Elements (AREA)

Abstract

The invention discloses a kind of network transformer automatic assembling production lines, including firm banking, it is disposed with straight shake track feeding mechanism, the straight shake track feeding mechanism of overturning commutation, collect components locating turntable mechanism, finished product on the firm banking and collects loading mechanism automatically, component feeding machanism is set to the firm banking front end, vibrating disk feeding CCD divides direction mechanism to be set to the firm banking side, is additionally provided with glue applying mechanism, automatic assembling mechanism on the firm banking;Directly shake track feeding mechanism discharge end, vibrating disk feeding CCD divide direction mechanism discharge end, glue applying mechanism glue dispensing valve, automatic assembling mechanism operation end, finished product to collect loading mechanism collecting terminal automatically and be set in turn in above collect components locating turntable mechanism in a clockwise direction for the overturning commutation.The production line can realize the automatic assembling of network transformer, and production is high-efficient, and yields is high, and human cost is greatly reduced.

Description

A kind of network transformer automatic assembling production line
Technical field
The present invention relates to transformer package technique field, in particular to a kind of network transformer automatic assembling production line.
Background technique
With the development of science and technology, the use of transformer is also more and more extensive, especially often uses in the electronic device Function to transformer, transformer mainly has: voltage current transformation, impedance transformation, isolation, pressure stabilizing etc..But existing transformer Manufacturing process in, need by hand to have distinguished magnet ring seating portion and cover part one by one direction, and with putting glue bottle for lid The good glue of point;After dispensing, magnet ring seat and lid are assembled, and is placed in tooling disk one by one;Transformer production device Automatization level is low, leads to production inefficiency, and bad product rate is high, and human cost is high, restricts industry development.
Summary of the invention
The present invention provides a kind of network transformer automatic assembling production line, it is automatic to solve process units in the prior art Change level is low to lead to production inefficiency, and bad product rate is high, and the problem that human cost is high.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is as follows: a kind of network transformer automatic assembling produces Line, including firm banking are disposed with straight shake track feeding mechanism, the straight shake track feeding of overturning commutation on the firm banking Mechanism, collect components locating turntable mechanism, finished product collect loading mechanism automatically, and component feeding machanism is set to the firm banking Front end, vibrating disk feeding CCD divide direction mechanism to be set to the firm banking side, are additionally provided with dispensing on the firm banking Mechanism, automatic assembling mechanism;Directly shake track feeding mechanism discharge end, vibrating disk feeding CCD divide direction mechanism for the overturning commutation Discharge end, glue applying mechanism glue dispensing valve, automatic assembling mechanism operation end, finished product collect loading mechanism collecting terminal automatically with side clockwise To being set in turn in above collect components locating turntable mechanism.
As a preferred embodiment, the component feeding machanism includes power device, the mobile gag lever post of tool disk;Institute It states the mobile gag lever post of tool disk to be set to above the power device, is disposed with tooling on the mobile gag lever post of the tool disk Disk places station, tool disk feed station, blank panel and collects station;The power device includes motor, initiative driver, synchronization Band, the motor are connect with the initiative driver, and the initiative driver is two groups disposed in parallel, are actively passed described in every group By the synchronous band connection between driving wheel, the synchronous end of tape is provided with positioning photoelectric induction device.
As a preferred embodiment, the straight shake track feeding mechanism include straight shake track and with the straight shake track The scraper of Parallel Design;The tool disk feed station is set to the straight shake track front end, the scraper end of the scraper It is set to the top of the tool disk feed station.
As a preferred embodiment, the straight shake track feeding mechanism of overturning commutation includes overturning reversing mechanism, straight Shake track;The straight shake track is set to below the overturning reversing mechanism, and the overturning reversing mechanism includes setting gradually Hairbrush auxiliary material feeding mechanism, optical fiber detector, turnover mechanism;The hairbrush auxiliary material feeding mechanism includes being fixed on the fixation Hairbrush shaft on pedestal and the round hairbrush being installed in the hairbrush shaft;The turnover mechanism includes fixed disk, material Positioning fixture, overturning motor and fixed fixed disk shaft on the fixed base, the material positioning fixture are installed on institute The edge of fixed disk is stated, the overturning motor is connect with fixed disk shaft one end.
As a preferred embodiment, collect components locating turntable mechanism include driving motor, Cam splitter, Locating turntable is collected, the driving motor is connect by the Cam splitter with the collection locating turntable, and described collect is determined Position turntable is set to above the driving motor;The Cam splitter is evenly provided with eight stations;The collection positioning Disc surfaces are evenly provided with the localization region that can place transformer device.
As a preferred embodiment, the vibrating disk feeding CCD divides direction mechanism to include vibration disc material feeder, described Vibration disc material feeder discharge end is provided with delivery track, and CCD visual identity reversing mechanism is provided on the delivery track;It is described CCD visual identity reversing mechanism includes CCD camera and the crawl connecting with CCD camera commutation manipulator.
As a preferred embodiment, the glue applying mechanism includes two glue buckets disposed in parallel, below the glue bucket Automatic dispensing machine is connected with by nylon tube;Weight warning device is provided in the glue bucket.
As a preferred embodiment, the automatic assembling mechanism includes sucker, running fix axis, cylinder, the gas Cylinder and the running fix axis connection, the sucker are set to running fix shaft end portion.
As a preferred embodiment, the finished product collect automatically loading mechanism include material crawl running fix axis, Grab finger, tray moving apparatus;The tray moving apparatus includes mobile limit shaft, is set gradually on the mobile limit shaft There are blank panel storage station, blank panel loading station, ready-made tray to release station;The crawl finger is set to the material crawl and moves Dynamic locating shaft front end, the material crawl running fix axis are set to above the blank panel loading station.
By adopting the above technical scheme, since production line passes through setting feeding mechanism, reversing mechanism, CCD visual identity commutation Mechanism, glue applying mechanism, automatic assembling mechanism, finished product collect each component such as loading mechanism automatically, it can be achieved that network transformer component Feed, overturning commutation, assembling and network transformer finished product collection, production is high-efficient, avoids manually-operated fault It generates, the yields of product greatly improves, and can effectively reduce human cost.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of inventive network transformer automatic assembling production line.
In figure: 1- firm banking, 2- tool disk place station, and 3- tool disk is fed station, 4- motor, and 5- is actively driven Wheel, 6- synchronous belt, 7- directly shake track, 8- scraper, and 9- overturns reversing mechanism, 10- collect components locating turntable mechanism, 11- vibration Moving plate feeder, 12- delivery track, 13-CCD visual identity reversing mechanism, 14- glue applying mechanism, 15- automatic assembling mechanism, 16- Material grabs running fix axis, and 17- blank panel stores station, 18- blank panel loading station, and 19- ready-made tray releases station.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below The each embodiment of the present invention involved in technical characteristic can be combined with each other as long as they do not conflict with each other.
In conjunction with attached drawing, the present invention is further described, keeps person of ordinary skill in the field's better implementation of the invention, A kind of network transformer automatic assembling production line of the embodiment of the present invention, including firm banking 1 are disposed on firm banking Straight shake track feeding mechanism, the straight shake track feeding mechanism of overturning commutation, collect components locating turntable mechanism 10, finished product are collected automatically Loading mechanism, component feeding machanism are set to firm banking front end, and vibrating disk feeding CCD divides direction mechanism to be set to firm banking Side is additionally provided with glue applying mechanism 14, automatic assembling mechanism 15 on firm banking;The straight shake track feeding mechanism discharging of overturning commutation End, vibrating disk feeding CCD divide direction mechanism discharge end, glue applying mechanism glue dispensing valve, automatic assembling mechanism operation end, finished product to receive automatically Packaging disk collect end is set in turn in a clockwise direction above collect components locating turntable mechanism.
Component feeding machanism of the embodiment of the present invention includes power device, the mobile gag lever post of tool disk;The mobile limit of tool disk Bar is set to above power device, and tool disk is disposed on the mobile gag lever post of tool disk and places station 2, tool disk feed work Position 3, blank panel collect station;Power device includes motor 4, initiative driver 5, synchronous belt 6, and motor 4 and initiative driver 5 connect It connects, initiative driver 5 is two groups disposed in parallel, is connected between every group of initiative driver by synchronous belt 6,6 end of synchronous belt is set It is equipped with positioning photoelectric induction device;The synchronous belt 6 and mobile gag lever post that tool disk is driven by motor 4 realize mobile and transport, The tool disk for occupying material is placed on tool disk and places station 2 by operator, and synchronous belt starts to rotate, and tool disk is sent to straight shake The tool disk of the positioning height of track feeding mechanism front end is fed station 3, and material completes conveying, and tool disk is moved to blank panel collection Station.
It includes straight shake track 7 and the scraper with straight shake 7 Parallel Design of track that the embodiment of the present invention, which directly shakes track feeding mechanism, Machine 8;Tool disk feed station 3 is set to straight shake 7 front end of track, and the scraper end of scraper 8 is set to tool disk feed station 3 Top;Tool disk is fed station 3 and equidistantly moves in directly shake track front end and in the vertical direction of directly shake track 7, and a biscuit is sent It is moved to blank panel after complete and collects station;Scraper 8 can scrape material on straight shake track 7 from tool disk line by line, once Two row material are scraped, are fed to overturning reversing mechanism 9 by directly shaking track 7.
The straight shake track feeding mechanism of overturning commutation of the embodiment of the present invention includes overturning reversing mechanism 9, straight shake track 7;Straight shake Track 7 is set to 9 lower section of overturning reversing mechanism, and overturning reversing mechanism 9 includes hairbrush auxiliary material feeding mechanism, the optical fiber set gradually Detection device, turnover mechanism;Hairbrush auxiliary material feeding mechanism includes the hairbrush shaft fixed on the fixed base and is installed on hairbrush Round hairbrush in shaft;Turnover mechanism includes fixed disk, material positioning fixture, overturning motor and fixes on the fixed base Fixed disk shaft, material positioning fixture are installed on the edge of fixed disk, and overturning motor is connect with fixed disk shaft one end;Material into Into straight shake track 7, is conveyed forward by straight shake vibration power, overturning reversing mechanism is transported to by hairbrush auxiliary material feeding mechanism 9, into material positioning fixture, after optical fiber sensing device senses material, overturning motor DC driving overturning reversing mechanism rotation One angle often rotates an angle into one group of material, until material completes the function of overturning and commutation after rotation to 180 degree, It is again introduced into straight shake track 7, is delivered to collect components locating turntable mechanism 10.
Collect components locating turntable of embodiment of the present invention mechanism 10 includes driving motor, Cam splitter, collects positioning turn Disk, driving motor are connect by Cam splitter with locating turntable is collected, and are collected locating turntable and are set to above driving motor;It is convex Wheel divider is evenly provided with eight stations;Collection locating turntable surface, which is evenly provided with, can place determining for transformer device Position region;One group of material of the every placement of locating turntable is collected, Cam splitter rotates 45 degree, is a station, after the completion of rotation, respectively Station starts executing agency and acts, and after the completion of each mechanism action, Cam splitter rotates again, so on circulate, to reach The design requirement and function to work asynchronously to each station.
Vibrating disk feeding of embodiment of the present invention CCD divides direction mechanism to include vibration disc material feeder 11, and vibration disc material feeder goes out Material end is provided with delivery track 12, and CCD visual identity reversing mechanism 13 is provided on delivery track;CCD visual identity reversing machine Structure 13 includes CCD camera and the crawl connecting with CCD camera commutation manipulator;Material component is sieved through vibration disc material feeder 11 It after choosing, is orderly come on vibration disc material feeder discharge end with directive, is transmitted to CCD visual identity commutation through delivery track 12 Mechanism 13, CCD visual identifying system start to take pictures, and read and identify the front-rear direction of each material, then by crawl reversing machine Tool hand grabs material, executes commutation action, make material finally to be design and assembling on turntable when required direction, and pass through Track enters collect components locating turntable mechanism 10.
Glue applying mechanism of the embodiment of the present invention 14 includes two glue buckets disposed in parallel, is connected with below glue bucket by nylon tube Automatic dispensing machine;Weight warning device is provided in glue bucket, when glue uses constant weight to need to add glue, Equipment meeting automatic alarm, notifies operator to add glue;It is connected between automatic dispensing machine and glue bucket with corrosion resistant nylon tube, Automatic dispensing machine dispensing send glue by its internal dispensing pumping, and glue precision can achieve 0.01G, the glue in two glue buckets Into after dispenser, through the mixed glue stick mixing in inside and after mixing evenly, mixture glue, reaches the use of product according to a certain percentage It is required that and design performance, by the glue dispensing valve dispensing of automatic dispensing machine in the material shell that comes up of vibrating disc conveying.
Automatic assembling mechanism of the embodiment of the present invention 15 includes sucker, running fix axis, cylinder, and cylinder and running fix axis connect It connects, sucker is set to running fix shaft end portion;Sucker and running fix axis need to guarantee verticality design requirement, running fix axis and Collect the station Parallel Design of locating turntable;Sucker draws the magnet ring seat collected on locating turntable, is moved to right above lid, fixed Behind position, cylinder pushes assembling network transformer, and magnet ring seat and lid assembling finish.
It includes material crawl running fix axis 16, crawl finger, support that finished product of the embodiment of the present invention collects loading mechanism automatically Disk mobile device;Tray moving apparatus includes mobile limit shaft, and blank panel storage station 17, sky are disposed on mobile limit shaft Disk loading station 18, ready-made tray release station 19;Crawl finger is set to material crawl 16 front end of running fix axis, and material is grabbed Running fix axis 16 is taken to be set to above blank panel loading station;Blank panel storage station 17 can once store multiple empty pallets, empty It is machined with the type chamber for loading finished product in disk, extracts the next blank panel in most bottom every time, goes to be moved to blank panel dress by mobile limit shaft Expect station 18, fills material;Mobile limit shaft is mobile by Y-axis, and material grabs running fix axis 16 by X-axis movement, grabs hand Refer to that the type successively in blank panel is intracavitary from collecting on locating turntable after crawl material, until after a blank panel is filled, it is mobile Y-axis to ready-made tray discharges station 19, and operator takes ready-made tray away, Y-axis be moved to blank panel storage station 17 carry out it is next Blank panel loads work.
Feeding mechanism, overturning reversing mechanism is arranged by adopting the above technical scheme, since production line passes through in the embodiment of the present invention 9, CCD visual identity reversing mechanism 13, glue applying mechanism 14, automatic assembling mechanism 15, finished product collect each portion such as loading mechanism automatically Part is, it can be achieved that the feed of network transformer component, overturning commutate, assembling and the collection of network transformer finished product, production are imitated Rate is high, avoids manually-operated fault from generating, the yields of product greatly improves, and can effectively reduce human cost.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.

Claims (9)

1. a kind of network transformer automatic assembling production line, it is characterised in that: including firm banking, on the firm banking according to Secondary be provided with directly shakes track feeding mechanism, overturns to commutate and directly shake track feeding mechanism, collect components locating turntable mechanism, finished product certainly Dynamic to collect loading mechanism, component feeding machanism is set to the firm banking front end, and vibrating disk feeding CCD divides direction mechanism to be arranged In the firm banking side, glue applying mechanism, automatic assembling mechanism are additionally provided on the firm banking;The overturning commutation is straight Shake track feeding mechanism discharge end, vibrating disk feeding CCD divide direction mechanism discharge end, glue applying mechanism glue dispensing valve, automatic assembling Structure operation end, finished product collect loading mechanism collecting terminal automatically and are set in turn in the collect components locating turntable in a clockwise direction Above mechanism.
2. network transformer automatic assembling production line according to claim 1, it is characterised in that: the component feeding machanism Including power device, the mobile gag lever post of tool disk;The mobile gag lever post of the tool disk is set to above the power device, described It is disposed with tool disk on the mobile gag lever post of tool disk and places station, tool disk feed station, blank panel collection station;It is described dynamic Power device includes motor, initiative driver, synchronous belt, and the motor is connect with the initiative driver, the initiative driver For two groups disposed in parallel, by the synchronous band connection between driving wheel described in every group, the synchronous end of tape is provided with positioning Photoelectric induction device.
3. network transformer automatic assembling production line according to claim 2, it is characterised in that: the straight shake track feeding Mechanism includes straight shake track and the scraper with the straight shake parallel track design;The tool disk feed station is set to described Straight shake track front end, the scraper end of the scraper are set to the top of the tool disk feed station.
4. network transformer automatic assembling production line according to claim 3, it is characterised in that: the straight shake of overturning commutation Track feeding mechanism includes overturning reversing mechanism, directly shakes track;The straight shake track is set to below the overturning reversing mechanism, The overturning reversing mechanism includes hairbrush auxiliary material feeding mechanism, optical fiber detector, the turnover mechanism set gradually;The hairbrush Auxiliary material feeding mechanism includes the hairbrush shaft fixed on the fixed base and the round hair being installed in the hairbrush shaft Brush;The turnover mechanism includes fixed disk, material positioning fixture, overturning motor and fixed fixed disk on the fixed base Shaft, the material positioning fixture are installed on the edge of the fixed disk, the overturning motor and fixed disk shaft one end Connection.
5. network transformer automatic assembling production line according to claim 1, it is characterised in that: the collect components positioning Rotating disk mechanism include driving motor, Cam splitter, collect locating turntable, the driving motor by the Cam splitter with The collection locating turntable connection, the collection locating turntable are set to above the driving motor;The Cam splitter is equal Even is provided with eight stations;The collection locating turntable surface is evenly provided with the positioning area that can place transformer device Domain.
6. network transformer automatic assembling production line according to claim 1, it is characterised in that: the vibrating disk feeding CCD divides direction mechanism to include vibration disc material feeder, and the vibration disc material feeder discharge end is provided with delivery track, the conveyor track CCD visual identity reversing mechanism is provided on road;The CCD visual identity reversing mechanism include CCD camera and with the CCD The crawl commutation manipulator of video camera connection.
7. network transformer automatic assembling production line according to claim 1, it is characterised in that: the glue applying mechanism includes Two glue buckets disposed in parallel, the glue bucket lower section are connected with automatic dispensing machine by nylon tube;Weight is provided in the glue bucket Measure warning device.
8. network transformer automatic assembling production line according to claim 1, it is characterised in that: the automatic assembling mechanism Including sucker, running fix axis, cylinder, the cylinder and the running fix axis connection, the sucker are set to the movement Locating shaft end.
9. network transformer automatic assembling production line according to claim 1, it is characterised in that: the finished product is collected automatically Loading mechanism includes material crawl running fix axis, crawl finger, tray moving apparatus;The tray moving apparatus includes movement Limit shaft is disposed with blank panel storage station, blank panel loading station, ready-made tray on the mobile limit shaft and releases station; The crawl finger is set to material crawl running fix axis front end, and the material crawl running fix axis is set to described Above blank panel loading station.
CN201910138985.7A 2019-02-25 2019-02-25 A kind of network transformer automatic assembling production line Withdrawn CN109822341A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910138985.7A CN109822341A (en) 2019-02-25 2019-02-25 A kind of network transformer automatic assembling production line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910138985.7A CN109822341A (en) 2019-02-25 2019-02-25 A kind of network transformer automatic assembling production line

Publications (1)

Publication Number Publication Date
CN109822341A true CN109822341A (en) 2019-05-31

Family

ID=66864391

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910138985.7A Withdrawn CN109822341A (en) 2019-02-25 2019-02-25 A kind of network transformer automatic assembling production line

Country Status (1)

Country Link
CN (1) CN109822341A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112091609A (en) * 2020-09-29 2020-12-18 东莞市沃德精密机械有限公司 Automobile antenna magnetic core assembly line
WO2022083660A1 (en) * 2020-10-21 2022-04-28 合肥市智慧桥信息科技有限公司 Automatic production system for led lamp base

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112091609A (en) * 2020-09-29 2020-12-18 东莞市沃德精密机械有限公司 Automobile antenna magnetic core assembly line
WO2022083660A1 (en) * 2020-10-21 2022-04-28 合肥市智慧桥信息科技有限公司 Automatic production system for led lamp base

Similar Documents

Publication Publication Date Title
CN107977817A (en) A kind of goods delivery system and allocator based on unmanned plane
AU2016222767B2 (en) Automated order fulfillment system and method
CN106787494B (en) A kind of full-automatic assembling manufacturing machine of motor stator
CN106670796B (en) A kind of automatic assembling machine of motor housing and magnetic shoe
CN109822341A (en) A kind of network transformer automatic assembling production line
CN107708940A (en) Stocking system
JP3163091B2 (en) Container transfer device
JP5920456B2 (en) Production system and method of manufacturing processed product
CN206912625U (en) A kind of terminal block machine of battery
CA2295057A1 (en) Adjustable machine for the vertical orientation and alignment of empty containers
CN108349608A (en) The system and method that removal is carried out to tubulose storage assembly
CN109767903A (en) A kind of network transformer assemble method
CN108996147A (en) One kind building packet system and builds packet method
CN105836237A (en) Automatic grading and encasement packaging system for solar cell modules
CN113879635B (en) Secondary packaging system
CN110902237B (en) Medicine supplementing and distributing integrated machine
CN209452309U (en) Cell piece sorting unit and cell piece severing machine
JP2020045177A (en) Container supply device
CN209009459U (en) The quick feeding machanism of shaft-like workpiece
JPH11509505A (en) Container loading and unloading devices with stacks of packages such as egg trays or egg boxes
CN1533965A (en) Article classifying device
CN110902234A (en) Medicine supplementing and distributing integrated machine
JP6762502B2 (en) Container supply device
JP3420693B2 (en) Automatic packaging machine for loading small quantities of small products into cartons in desired positions
US4311228A (en) Automatic feeder for empty bags or the like

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20190531

WW01 Invention patent application withdrawn after publication