CN110606366A - Steel casting stacking device and stacking method thereof - Google Patents

Steel casting stacking device and stacking method thereof Download PDF

Info

Publication number
CN110606366A
CN110606366A CN201810617559.7A CN201810617559A CN110606366A CN 110606366 A CN110606366 A CN 110606366A CN 201810617559 A CN201810617559 A CN 201810617559A CN 110606366 A CN110606366 A CN 110606366A
Authority
CN
China
Prior art keywords
moving
lifting
steel casting
frame
adsorption
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.)
Pending
Application number
CN201810617559.7A
Other languages
Chinese (zh)
Inventor
朱文星
朱万军
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.)
Anhui Ningguo Ningxing Abrasion Resistant Material Co Ltd
Original Assignee
Anhui Ningguo Ningxing Abrasion Resistant Material 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 Anhui Ningguo Ningxing Abrasion Resistant Material Co Ltd filed Critical Anhui Ningguo Ningxing Abrasion Resistant Material Co Ltd
Priority to CN201810617559.7A priority Critical patent/CN110606366A/en
Publication of CN110606366A publication Critical patent/CN110606366A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90Devices for picking-up and depositing articles or materials
    • B65G47/91Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
    • B65G47/914Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers provided with drive systems incorporating rotary and rectilinear movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90Devices for picking-up and depositing articles or materials
    • B65G47/91Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
    • B65G47/918Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers with at least two picking-up heads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G61/00Use of pick-up or transfer devices or of manipulators for stacking or de-stacking articles not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02Articles
    • B65G2201/0214Articles of special size, shape or weigh
    • B65G2201/022Flat

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The invention relates to the technical field of steel casting finish machining devices, in particular to a steel casting stacking device which comprises a rack, a transverse moving mechanism, a longitudinal moving mechanism, a lifting mechanism, a 45-degree turnover mechanism and an adsorption mechanism, wherein the transverse moving mechanism is arranged on the rack; the upper portion of frame is equipped with the crossbeam, be equipped with the guide rail respectively at the both ends of crossbeam. This device has changed the mode of traditional artifical transport steel casting, can be neat through this device pile the steel casting together, unified by fork truck transport, improved work efficiency greatly, reduced workman's intensity of labour, improved the production security.

Description

Steel casting stacking device and stacking method thereof
Technical Field
The invention relates to the technical field of steel casting finish machining devices, in particular to a steel casting stacking device and a stacking method thereof.
Background
At present, after a steel casting is formed, the steel casting can be plate-shaped and block-shaped according to different shapes of application, the plate-shaped steel casting is generally a sheet with the thickness of 2-5mm and the thickness of 100mm x 100mm, after a die casting machine is formed, the steel casting needs to be placed in a transfer trolley, in the traditional mode, two workers directly lift the steel casting off in the transfer of the steel casting, and the mode wastes time and labor and has low working efficiency.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a steel casting stacking device which replaces a manual carrying mode of workers.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a steel casting pile up neatly device which characterized in that: comprises a frame, a transverse moving mechanism, a longitudinal moving mechanism, a lifting mechanism, a 45-degree turnover mechanism and an adsorption mechanism; a cross beam is arranged at the upper part of the rack, and guide rails are respectively arranged at two ends of the cross beam;
the transverse moving mechanism comprises a transverse moving frame, a moving wheel and a moving motor; the four moving wheels are divided into two groups, each group comprises two moving wheels, the two moving wheels are connected through a synchronizing shaft, the synchronizing shaft is installed on the transverse moving frame through a bearing, the moving wheels are matched with the guide rail, the moving motor is installed on the transverse moving frame, and one synchronizing shaft is driven to rotate through a chain;
the longitudinal moving mechanism comprises a longitudinal moving frame, a guide rod, a guide sleeve and a longitudinal driving cylinder; the two ends of the guide rod are respectively fixed at the bottom of the transverse moving frame, the longitudinal moving frame is in sliding fit with the guide rod through the guide sleeve, the longitudinal driving cylinder is fixed at the bottom of the transverse moving frame, and a piston rod of the longitudinal driving cylinder is connected with the bottom of the longitudinal moving frame through a connecting plate;
the lifting mechanism is arranged on the longitudinal moving mechanism and comprises a lifting frame, a lifting cylinder, a lifting guide sleeve and a lifting guide rod; the lifting cylinder and the lifting guide sleeve are respectively fixed on the longitudinal moving frame, a piston rod of the lifting cylinder is fixedly connected with the upper part of the lifting frame, the lifting inverted rod is in sliding fit with the lifting guide sleeve, and the bottom of the lifting guide rod is fixedly connected with the top of the lifting frame;
the 45-degree turnover mechanism is fixed on the lifting frame and comprises a turnover cylinder and a turnover shaft; the overturning air cylinder is fixed at the upper part of the lifting frame through an air cylinder seat, a piston rod of the overturning air cylinder is fixedly connected with the overturning shaft, and two ends of the overturning shaft are connected with the bottom of the lifting frame through bearings;
the adsorption mechanism comprises at least four negative pressure adsorption nozzles, an adsorption plate and a connecting plate; one end of the connecting plate is fixedly connected with the turnover shaft, the other end of the connecting plate is connected with the adsorption plate, and the negative pressure adsorption nozzle is fixed on the adsorption plate.
Preferably, the upper part of the adsorption plate is fixed at the bottoms of the two moving rods through screws, two ends of the two moving rods are respectively in sliding fit with the two connecting rods, two ends of the two connecting rods are respectively fixedly connected with the vertical connecting plate, the vertical connecting plate is fixed at the bottom of the connecting plate, and a spring is arranged between the vertical connecting plate and the two moving rods.
Preferably, the spring is sleeved on the two connecting rods.
Preferably, the trolley further comprises a moving trolley, wherein the bottom of the moving trolley is provided with a goods fork hole, and one side of the inside of the moving trolley is provided with a 45-degree plane.
A steel casting stacking method is characterized by comprising the following steps: the method comprises the following steps:
firstly, placing a steel casting stacking device at the tail end of a conveyor belt;
secondly, starting the equipment, wherein the transverse moving mechanism and the longitudinal moving mechanism move the adsorption mechanism to the upper part of the conveyor belt, and when the steel casting is positioned under the adsorption mechanism, the lifting mechanism is started to drive the adsorption mechanism to adsorb the steel casting;
step three, the transverse moving mechanism and the longitudinal moving mechanism bring the steel casting to one side of the conveyor belt;
and step four, vertically overturning the steel casting by 45 degrees through a 45-degree overturning mechanism to stack the steel casting.
And step four, repeating the steps one to four, and after all the pallets are stacked orderly, forking the moving trolley by a forklift and moving the moving trolley to the next working table.
Compared with the prior art, the device has the advantages that the traditional mode of manually carrying the steel castings is changed, the steel castings can be orderly stacked together through the device and can be uniformly carried by a forklift, the working efficiency is greatly improved, the labor intensity of workers is reduced, and the production safety is improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
fig. 3 is a plan view of the adsorption mechanism of the present invention.
Detailed Description
The following detailed description of the preferred embodiments will be made with reference to the accompanying drawings. As shown in fig. 1-2, a steel casting stacking device comprises a frame 1, a transverse moving mechanism 2, a longitudinal moving mechanism 3, a lifting mechanism 4, a 45-degree turnover mechanism 5 and an adsorption mechanism 6;
as shown in fig. 2, a cross beam 11 is arranged at the upper part of the frame 1, and guide rails 12 are respectively arranged at two ends of the cross beam; the transverse moving mechanism can move transversely on the guide rail.
As shown in fig. 2, the lateral movement mechanism 2 includes a lateral movement frame 21, a movement wheel 22, a movement motor 23; the movable wheels are four and divided into two groups, each group is two, the two movable wheels are connected through a synchronizing shaft 24, the synchronizing shaft is installed on the transverse movable frame through a bearing, the movable wheels are matched with the guide rails, the movable motor is installed on the transverse movable frame, and one synchronizing shaft is driven to rotate through a chain. The motor drives the synchronizing shaft to rotate, so that the movable wheel is driven to move transversely on the guide rail, and transverse movement of the steel casting can be realized.
As shown in fig. 1, the longitudinal moving mechanism 3 includes a longitudinal moving frame 31, a guide rod 32, a guide sleeve 33, and a longitudinal driving cylinder 34; the both ends of guide bar 32 are fixed respectively the bottom of lateral shifting frame, and the lateral shifting frame removes and can drive the guide bar and remove, longitudinal movement frame passes through the uide bushing with the guide bar sliding fit, vertically drive the actuating cylinder and fix the bottom of lateral shifting frame, vertically drive the piston rod of actuating cylinder pass through connecting plate 35 with the bottom of longitudinal movement frame is connected. The longitudinal moving mechanism in the device is driven by the air cylinder, so that the space is saved, and the longitudinal movement of the steel casting can be realized. The arrangement of the guide rod and the guide sleeve can enable the moving frame to move more stably.
As shown in fig. 1, the lifting mechanism is mounted on the longitudinal moving mechanism, and the lifting mechanism 4 includes a lifting frame 41, a lifting cylinder 42, a lifting guide sleeve 43, and a lifting guide rod 44; the lifting cylinder and the lifting guide sleeve are respectively fixed on the longitudinal moving frame, a piston rod of the lifting cylinder is fixedly connected with the upper part of the lifting frame, the lifting reversing rod is in sliding fit with the lifting guide sleeve, and the bottom of the lifting guide rod is fixedly connected with the top of the lifting frame. In order to realize three-dimensional motion, a lifting cylinder is also adopted in the lifting mechanism and drives the lifting frame to move up and down.
As shown in fig. 1, the 45 ° turnover mechanism is fixed on the lifting frame, and the 45 ° turnover mechanism 5 includes a turnover cylinder 51 and a turnover shaft 52; the turnover cylinder is fixed on the upper part of the lifting frame through a cylinder seat, a piston rod of the turnover cylinder is fixedly connected with the turnover shaft, and two ends of the turnover shaft are connected with the bottom of the lifting frame through bearings. As the key point of the invention, after the adsorption mechanism at the lower part of the 45-degree turnover mechanism adsorbs the steel casting, the steel casting is not directly placed in parallel as before, but placed by turning over at an angle of 45 degrees, so that the space of a workshop can be saved, and workers or equipment at the later stage can conveniently take the steel casting.
As shown in fig. 1 and 3, the suction mechanism 6 includes at least four negative pressure suction nozzles 61, a suction plate 62, and a connection plate 63; one end of the connecting plate is fixedly connected with the turnover shaft, the other end of the connecting plate is connected with the adsorption plate, and the negative pressure adsorption nozzle is fixed on the adsorption plate. The upper part of the adsorption plate is fixed at the bottoms of the two moving rods 64 through screws, two ends of the two moving rods are respectively in sliding fit with the two connecting rods 65, two ends of the two connecting rods are respectively fixedly connected with a vertical connecting plate 66, the vertical connecting plate is fixed at the bottom of the connecting plate, and a spring 67 is arranged between the vertical connecting plate and the two moving rods. The spring is sleeved on the two connecting rods. The adsorption mechanism is specially improved, and due to the fact that the adsorption mechanism needs to be turned over, if inertia is too large in the turning process, a steel casting piece is likely to fall off from an adsorption nozzle.
The device can also be used in cooperation with a moving vehicle, the bottom of the moving vehicle 7 is provided with a cargo fork hole 71, and one side of the inside of the moving vehicle is provided with a 45-degree plane. The steel castings are turned by 45 degrees and then sequentially placed on a 45-degree plane, and are transported away by a forklift after being sequentially placed.
The working principle is as follows:
firstly, placing a steel casting stacking device at the tail end of a conveyor belt;
secondly, starting the equipment, wherein the transverse moving mechanism and the longitudinal moving mechanism move the adsorption mechanism to the upper part of the conveyor belt, and when the steel casting is positioned under the adsorption mechanism, the lifting mechanism is started to drive the adsorption mechanism to adsorb the steel casting;
step three, the transverse moving mechanism and the longitudinal moving mechanism bring the steel casting to one side of the conveyor belt;
and step four, vertically overturning the steel casting by 45 degrees through a 45-degree overturning mechanism to stack the steel casting.
And step four, repeating the steps one to four, and after all the pallets are stacked orderly, forking the moving trolley by a forklift and moving the moving trolley to the next working table.
Compared with the prior art, the device has the advantages that the traditional mode of manually carrying the steel castings is changed, the steel castings can be orderly stacked together through the device and can be uniformly carried by a forklift, the working efficiency is greatly improved, the labor intensity of workers is reduced, and the production safety is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The utility model provides a steel casting pile up neatly device which characterized in that: comprises a frame, a transverse moving mechanism, a longitudinal moving mechanism, a lifting mechanism, a 45-degree turnover mechanism and an adsorption mechanism; a cross beam is arranged at the upper part of the rack, and guide rails are respectively arranged at two ends of the cross beam;
the transverse moving mechanism comprises a transverse moving frame, a moving wheel and a moving motor; the four moving wheels are divided into two groups, each group comprises two moving wheels, the two moving wheels are connected through a synchronizing shaft, the synchronizing shaft is installed on the transverse moving frame through a bearing, the moving wheels are matched with the guide rail, the moving motor is installed on the transverse moving frame, and one synchronizing shaft is driven to rotate through a chain;
the longitudinal moving mechanism comprises a longitudinal moving frame, a guide rod, a guide sleeve and a longitudinal driving cylinder; the two ends of the guide rod are respectively fixed at the bottom of the transverse moving frame, the longitudinal moving frame is in sliding fit with the guide rod through the guide sleeve, the longitudinal driving cylinder is fixed at the bottom of the transverse moving frame, and a piston rod of the longitudinal driving cylinder is connected with the bottom of the longitudinal moving frame through a connecting plate;
the lifting mechanism is arranged on the longitudinal moving mechanism and comprises a lifting frame, a lifting cylinder, a lifting guide sleeve and a lifting guide rod; the lifting cylinder and the lifting guide sleeve are respectively fixed on the longitudinal moving frame, a piston rod of the lifting cylinder is fixedly connected with the upper part of the lifting frame, the lifting inverted rod is in sliding fit with the lifting guide sleeve, and the bottom of the lifting guide rod is fixedly connected with the top of the lifting frame;
the 45-degree turnover mechanism is fixed on the lifting frame and comprises a turnover cylinder and a turnover shaft; the overturning air cylinder is fixed at the upper part of the lifting frame through an air cylinder seat, a piston rod of the overturning air cylinder is fixedly connected with the overturning shaft, and two ends of the overturning shaft are connected with the bottom of the lifting frame through bearings;
the adsorption mechanism comprises at least four negative pressure adsorption nozzles, an adsorption plate and a connecting plate; one end of the connecting plate is fixedly connected with the turnover shaft, the other end of the connecting plate is connected with the adsorption plate, and the negative pressure adsorption nozzle is fixed on the adsorption plate.
2. A steel casting production line as claimed in claim 1, wherein: the upper part of the adsorption plate is fixed at the bottoms of the two moving rods through screws, two ends of the two moving rods are respectively in sliding fit with the two connecting rods, two ends of the two connecting rods are respectively fixedly connected with the vertical connecting plate, the vertical connecting plate is fixed at the bottom of the connecting plate, and a spring is arranged between the vertical connecting plate and the two moving rods.
3. A steel casting production line as claimed in claim 1, wherein: the spring is sleeved on the two connecting rods.
4. A steel casting production line as claimed in claim 1, wherein: still include the locomotive, the bottom of locomotive is equipped with the fork hole, and one side of the inside of locomotive is equipped with 45 planes.
5. The method for palletizing steel castings according to any one of the claims 1 to 4, characterized in that: the method comprises the following steps:
firstly, placing a steel casting stacking device at the tail end of a conveyor belt;
secondly, starting the equipment, wherein the transverse moving mechanism and the longitudinal moving mechanism move the adsorption mechanism to the upper part of the conveyor belt, and when the steel casting is positioned under the adsorption mechanism, the lifting mechanism is started to drive the adsorption mechanism to adsorb the steel casting;
step three, the transverse moving mechanism and the longitudinal moving mechanism bring the steel casting to one side of the conveyor belt;
and step four, vertically overturning the steel casting by 45 degrees through a 45-degree overturning mechanism to stack the steel casting.
And step four, repeating the steps one to four, and after all the pallets are stacked orderly, forking the moving trolley by a forklift and moving the moving trolley to the next working table.
CN201810617559.7A 2018-06-15 2018-06-15 Steel casting stacking device and stacking method thereof Pending CN110606366A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810617559.7A CN110606366A (en) 2018-06-15 2018-06-15 Steel casting stacking device and stacking method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810617559.7A CN110606366A (en) 2018-06-15 2018-06-15 Steel casting stacking device and stacking method thereof

Publications (1)

Publication Number Publication Date
CN110606366A true CN110606366A (en) 2019-12-24

Family

ID=68887971

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810617559.7A Pending CN110606366A (en) 2018-06-15 2018-06-15 Steel casting stacking device and stacking method thereof

Country Status (1)

Country Link
CN (1) CN110606366A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2351413Y (en) * 1997-08-22 1999-12-01 胡平晟 Machine for level taking sheet glasses and stacking
CN201419424Y (en) * 2008-07-17 2010-03-10 张铭勇 Plate moving machine
CN104708579A (en) * 2015-02-06 2015-06-17 广东五星太阳能股份有限公司 Flat plate heat collector single set slope type semiautomatic cover plate assembling machine
CN105398834A (en) * 2015-12-07 2016-03-16 上海网讯新材料科技股份有限公司 Automatic transfer stacking robot
CN205240707U (en) * 2015-12-28 2016-05-18 桂林电子科技大学信息科技学院 Automatic remove brick machine
CN206318471U (en) * 2016-12-23 2017-07-11 扬州金源机器人自动化设备有限公司 A kind of blanking palletizing system
CN107235326A (en) * 2016-12-27 2017-10-10 山东大学 A kind of large stone material plate truss-like automatic blanking device and method
CN107601036A (en) * 2017-09-08 2018-01-19 广东工业大学 A kind of position-movable adsorption module of more adsorption sites for driving of restricting

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2351413Y (en) * 1997-08-22 1999-12-01 胡平晟 Machine for level taking sheet glasses and stacking
CN201419424Y (en) * 2008-07-17 2010-03-10 张铭勇 Plate moving machine
CN104708579A (en) * 2015-02-06 2015-06-17 广东五星太阳能股份有限公司 Flat plate heat collector single set slope type semiautomatic cover plate assembling machine
CN105398834A (en) * 2015-12-07 2016-03-16 上海网讯新材料科技股份有限公司 Automatic transfer stacking robot
CN205240707U (en) * 2015-12-28 2016-05-18 桂林电子科技大学信息科技学院 Automatic remove brick machine
CN206318471U (en) * 2016-12-23 2017-07-11 扬州金源机器人自动化设备有限公司 A kind of blanking palletizing system
CN107235326A (en) * 2016-12-27 2017-10-10 山东大学 A kind of large stone material plate truss-like automatic blanking device and method
CN107601036A (en) * 2017-09-08 2018-01-19 广东工业大学 A kind of position-movable adsorption module of more adsorption sites for driving of restricting

Similar Documents

Publication Publication Date Title
CN203246871U (en) Lifting apparatus for placing base for large refrigerator
CN102874604B (en) Stacking equipment for post-processing working section of artificial wood plate production line
CN203095166U (en) Mechanism for placing articles
CN104291117A (en) Steel tube stacking machine
CN203865449U (en) Automotive body component mold loading and unloading automatic transport vehicle
CN106348181A (en) Three-dimensional direction carrying hanging tool
CN204173597U (en) A kind of steel pipe code stamps machine
CN103449118A (en) Automobile welding side wall line conveying mechanism
CN201913632U (en) Combined-type three-dimensional movable working table
CN113290679A (en) Maintenance system for blank of heat-insulating board
CN113715936B (en) Forklift steering axle assembly production line
CN207596398U (en) Unmanned forklift used in intelligent manufacturing workshop
CN204528471U (en) Fully-automatic laser cutting production line
CN206202376U (en) Mould rapid transport go-cart
CN107324245B (en) Interactive battery pole roll anti-collision stacking vehicle
CN110606366A (en) Steel casting stacking device and stacking method thereof
CN104649195A (en) Stacking forming device before steel pipe binding
CN207858141U (en) A kind of aerial pallet library
CN202754549U (en) Stacking equipment for production line of wood-based panels
CN203391199U (en) Rapid mould changing system
CN202944877U (en) Automatic stacking device for manual pallet truck
CN215402920U (en) Transport vehicle and hydraulic control system
CN111762583A (en) Multilayer netted wood pallet feeding device and method
CN112978621A (en) Forklift with hoisting function and working method thereof
CN105500462A (en) Movable log saw board device

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
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20191224