CN112264831A - Cutting fluid sprinkler for digit control machine tool - Google Patents

Cutting fluid sprinkler for digit control machine tool Download PDF

Info

Publication number
CN112264831A
CN112264831A CN202011110152.9A CN202011110152A CN112264831A CN 112264831 A CN112264831 A CN 112264831A CN 202011110152 A CN202011110152 A CN 202011110152A CN 112264831 A CN112264831 A CN 112264831A
Authority
CN
China
Prior art keywords
motor
mounting
installation
driving
ring
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Withdrawn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
CN202011110152.9A
Other languages
Chinese (zh)
Inventor
王军
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202011110152.9A priority Critical patent/CN112264831A/en
Publication of CN112264831A publication Critical patent/CN112264831A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10Arrangements for cooling or lubricating tools or work

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

The invention discloses a cutting fluid spraying device for a numerical control machine tool, relates to the technical field of machine tools, and mainly aims to solve the problems of simple structure and single spraying direction of the existing cutting fluid spraying device; it is installed in lathe this internally, including the spray tube, still including being used for driving the power pack of spray tube motion, the power pack sliding seat, be used for driving elevating system, the collar that the sliding seat goes up and down, be used for driving collar pivoted first actuating mechanism, the installation piece, be used for driving the installation piece and rotate second actuating mechanism, the installation cover, be used for driving installation cover pivoted third actuating mechanism, threaded rod and integral key shaft, be equipped with spray tube and power pack, it swings to drive the spray tube, expand the spray regime, it rotates to drive the spray tube, form rotatory rivers that spray, spray more fully, evenly, spraying efficiency has been improved, through rotating the threaded rod, can adjust the distance between spray tube and the lathe main shaft cutter, the adjustment sprays the impact force.

Description

Cutting fluid sprinkler for digit control machine tool
Technical Field
The invention relates to the technical field of machine tools, in particular to a cutting fluid spraying device for a numerical control machine tool.
Background
The numerical control machine tool is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. After operation, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by the drawing.
Digit control machine tool in processing, need spray cutting fluid and cool off, lubricate, current digit control machine tool cutting fluid sprinkler structure is single, and the direction is single when spraying, can't fully spray to cooling, lubricated effect have been reduced.
Disclosure of Invention
The invention aims to provide a cutting fluid spraying device for a numerical control machine tool, so as to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a cutting fluid spraying device for a numerical control machine tool is arranged in a machine tool body, comprises a spray pipe and further comprises a power unit for driving the spray pipe to move, a movable seat of the power unit, a lifting mechanism, an installation ring, a first driving mechanism, an installation block, a second driving mechanism, an installation sleeve, a third driving mechanism, a threaded rod and a spline shaft, wherein the lifting mechanism and the installation ring are used for driving the movable seat to lift, the first driving mechanism and the installation block are used for driving the installation block to rotate, the third driving mechanism, the threaded rod and the spline shaft are used for driving the installation block to rotate, a connecting bearing is sleeved outside the installation ring, the movable seat is fixedly arranged in bilateral symmetry of an outer ring of the connecting bearing, the lifting mechanism is arranged on the machine tool body and is in driving connection with the movable seat, the first driving mechanism is connected between the movable seat and the installation ring, a plurality of installation grooves are arranged on the installation ring, the installation axle at installation piece top extends to the collar top, is connected with second actuating mechanism between collar and the installation axle, wear to be equipped with the installation cover on the installation piece, the installation cover rotates with the installation piece to be connected, is connected with third actuating mechanism between installation cover and the installation piece, installation cover female connection has the threaded rod, and the one end that the threaded rod is located the installation cover rotates and is connected with the integral key shaft, integral key shaft and installation cover splined connection, and the one end that the threaded rod was kept away from to the integral key shaft extends to the collar inboard and installs the spray tube, evenly is equipped with the nozzle on the spray tube, threaded rod, the equal inside cavity of integral key shaft, threaded rod, integral key shaft and spray tube three inner chamber intercommunication, the threaded rod is located the outside one end of installation cover and penetrates.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the lifting mechanism comprises a fourth motor, a screw rod and a belt transmission mechanism, the screw rods are totally two and are respectively in threaded connection with the two movable seats, the screw rods are rotatably installed in the machine tool body, the fourth motor is connected with the screw rod in a driving mode, the fourth motor is fixedly installed at the top of the machine tool body, and the screw rods are connected through the belt transmission mechanism.
In one alternative: first actuating mechanism includes first motor, first gear and outer ring gear, first motor fixed mounting is on the sliding seat, and first motor is the motor that just reverses, and fixed mounting has first gear on the output shaft of first motor, collar bottom fixed mounting have with first gear engagement's outer ring gear.
In one alternative: the second driving mechanism comprises a second motor, a second gear, a double-faced gear ring and a third gear, the third gear is fixedly mounted on the shaft section above the mounting ring in an installing mode, the third gear is located on the mounting ring, the double-faced gear ring meshed with the third gear is rotatably mounted outside the third gear in the installing mode, the second motor is fixedly mounted on the upper surface of the mounting ring, the second gear meshed with the double-faced gear ring is fixedly mounted on an output shaft of the second motor, and the second motor is a forward and reverse motor.
In one alternative: the third driving mechanism comprises a third motor and a straight gear pair, the third motor is fixedly installed on the outer side wall of the installation block, and the third motor is connected with the installation sleeve through the straight gear pair in a driving mode.
In one alternative: and a handle is fixed at one end of the threaded rod, which is positioned outside the mounting sleeve.
In one alternative: the spray pipe is rotationally connected with the end part of the spline shaft, a manual telescopic rod is connected between the spray pipe and the spline shaft, and two ends of the manual telescopic rod are respectively hinged with the spray pipe and the spline shaft.
Compared with the prior art, the invention has the following beneficial effects:
the device comprises a spray pipe and a power unit for driving the spray pipe to move, wherein the power unit comprises a movable seat, a lifting mechanism for driving the movable seat to lift, a mounting ring, a first driving mechanism for driving the mounting ring to rotate, a mounting block, a second driving mechanism for driving the mounting block to rotate, a mounting sleeve, a third driving mechanism for driving the mounting sleeve to rotate, a threaded rod and a spline shaft, cutting fluid enters the threaded rod and the spline shaft from a fluid supply pipe and is sprayed out from a nozzle of the spray pipe to cool and cool in processing, the mounting ring is driven by the first driving mechanism to rotate forward and backward for a certain angle, the fluid supply pipe is prevented from knotting and winding, the mounting block is driven by the second driving mechanism to rotate forward and backward for a certain angle alternately, the mounting block drives the spray pipe to swing through the mounting sleeve, the spraying range is expanded, and further, the mounting sleeve is driven by the third driving mechanism to rotate, the installation cover passes through the integral key shaft and drives the spray tube rotation, forms the rotatory rivers that spray, sprays more abundant, even, has improved and has sprayed efficiency, through rotating the threaded rod, can adjust the distance between spray tube and the lathe main shaft cutter, and the adjustment sprays the impact force.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a schematic structural diagram of a power unit in the first embodiment of the present invention.
FIG. 4 is a schematic view showing the connection between the threaded rod and the spline shaft according to the first embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a second embodiment of the present invention.
Notations for reference numerals: 1-a machine tool body, 2-a movable seat, 3-a first motor, 4-an outer gear ring, 5-a first gear, 6-an installation ring, 7-a second motor, 8-a second gear, 9-a double-sided gear ring, 10-an installation groove, 11-a straight gear pair, 12-an installation sleeve, 13-an installation block, 14-a liquid supply pipe, 15-a third gear, 16-a spray pipe, 17-a belt transmission mechanism, 18-a fourth motor, 19-a connecting bearing, 20-a screw rod, 21-a threaded rod, 22-a spline shaft and 23-a manual telescopic rod.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1 to 4, in the embodiment of the present invention, a cutting fluid spraying device for a numerically-controlled machine tool is installed in a machine tool body 1, and includes a spraying tube 16 and a power unit for driving the spraying tube 16 to move, the power unit movable base 2, a lifting mechanism for driving the movable base 2 to lift, an installation ring 6, a first driving mechanism for driving the installation ring 6 to rotate, an installation block 13, a second driving mechanism for driving the installation block 13 to rotate, an installation sleeve 12, a third driving mechanism for driving the installation sleeve 12 to rotate, a threaded rod 21 and a spline shaft 22, a connection bearing 19 is sleeved outside the installation ring 6, the movable base 2 is fixedly installed on an outer ring of the connection bearing 19 in a bilateral symmetry manner, the lifting mechanism is installed on the machine tool body 1 and is in driving connection with the movable base 2, in this embodiment, the lifting mechanism includes a fourth motor 18, The automatic spraying machine comprises a screw rod 20 and a belt transmission mechanism 17, wherein the screw rod 20 is totally two and is respectively in threaded connection with two movable seats 2, the screw rod 20 is rotatably installed in a machine tool body 1, the fourth motor 18 is in driving connection with one screw rod 20, the fourth motor 18 is fixedly installed at the top of the machine tool body 1, the top of the two screw rods 20 is connected with each other through the belt transmission mechanism 17, the fourth motor 18 drives the screw rod 20 to rotate, the screw rod 20 drives an installation ring 6 to lift so as to adjust the height of a spraying pipe 16, a first driving mechanism is connected between the movable seats 2 and the installation ring 6 and comprises a first motor 3, a first gear 5 and an outer gear ring 4, the first motor 3 is fixedly installed on the movable seats 2, the first motor 3 is a forward and reverse rotation motor, the first gear 5 is fixedly installed on an output shaft of the first motor 3, the outer gear ring 4 meshed with the first gear 5 is fixedly installed at the bottom of the, a plurality of mounting grooves 10 are formed in the mounting ring 6 in the circumferential direction, mounting blocks 13 are rotatably mounted in the mounting grooves 10, mounting shafts are fixed to the top and the bottom of the mounting blocks 13, the mounting shafts at the top of the mounting blocks 13 extend to the upper side of the mounting ring 6, and a second driving mechanism is connected between the mounting ring 6 and the mounting shafts and comprises a second motor 7, a second gear 8, a double-faced gear ring 9 and a third gear 15;
further, wear to be equipped with installation cover 12 on the installation piece 13, installation cover 12 rotates with installation piece 13 to be connected, is connected with third actuating mechanism between installation cover 12 and the installation piece 13, third actuating mechanism includes third motor and straight-gear pair 11, and third motor fixed mounting is on the lateral wall of installation piece 13, and the third motor passes through straight-gear pair 11 drive connection installation cover 12, installation cover 12 female connection has threaded rod 21, and the one end that threaded rod 21 is located installation cover 12 rotates and is connected with integral key shaft 22, integral key shaft 22 and installation cover 12 splined connection, and the one end that threaded rod 21 is located the outside of installation cover 12 is fixed with the handle, and the one end that integral key shaft 22 kept away from threaded rod 21 extends to the collar 6 inboard and installs spray tube 16, evenly is equipped with the nozzle on spray tube 16, and threaded rod 21, integral key shaft 22 are all inside cavity, and threaded rod 21, integral key shaft 22 and spray tube 16 three inner chamber intercommunication, the threaded rod 21 penetrates into one end of the mounting sleeve 12 outside and is rotatably connected with a liquid supply pipe 14 for supplying cutting liquid, when the cutting device works, the cutting liquid enters the threaded rod 21 from the liquid supply pipe 14, the spline shaft 22 is sprayed out from a nozzle of the spray pipe 16 to cool and cool in processing, the mounting ring 6 is driven by the first driving mechanism to alternatively rotate forward and backward for a certain angle, the liquid supply pipe 14 is prevented from being knotted and wound, the mounting block 13 is driven by the second driving mechanism to alternatively rotate forward and backward for a certain angle, the mounting block 13 drives the spray pipe 16 to swing through the mounting sleeve 12, the spraying range is expanded, further, the mounting sleeve 12 is driven by the third driving mechanism to rotate, the mounting sleeve 12 drives the spray pipe 16 to rotate through the spline shaft 22 to form rotary spraying water flow, the spraying is more sufficient and uniform, the spraying efficiency is improved, and the distance between the spray pipe 16 and a cutter of a machine tool, and adjusting the spraying impact strength.
Example 2
Referring to fig. 5, the embodiment of the present invention is different from embodiment 1 in that, in order to adjust the spraying angle, the spraying pipe 16 is rotatably connected to the end of the spline shaft 22, a manual telescopic rod 23 is connected between the spraying pipe 16 and the spline shaft 22, and two ends of the manual telescopic rod 23 are respectively hinged to the spraying pipe 16 and the spline shaft 22.
The working principle of the invention is as follows: during operation, the cutting fluid gets into threaded rod 21 by feed pipe 14, integral key shaft 22 then is spout by spray pipe 16's nozzle, carry out the cooling in the processing, drive certain angle of positive and negative rotation in turn of collar 6 through first actuating mechanism, it can to avoid feed pipe 14 to tie a knot the winding, it can to drive certain angle of positive and negative rotation in turn of installation piece 13 through second actuating mechanism, installation piece 13 drives spray pipe 16 swing through installation sleeve 12, enlarge the spray range, it is further, drive installation sleeve 12 through third actuating mechanism and rotate, installation sleeve 12 drives spray pipe 16 through integral key shaft 22 and rotates, form rotatory spraying rivers, it is more abundant to spray, even, spray efficiency has been improved, through rotating threaded rod 21, can adjust the distance between spray pipe 16 and the lathe main shaft cutter, the adjustment sprays the impact force.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (7)

1. The cutting fluid spraying device for the numerical control machine tool is installed in a machine tool body (1), comprises a spraying pipe (16) and is characterized by further comprising a power unit used for driving the spraying pipe (16) to move, a power unit movable seat (2), a lifting mechanism used for driving the movable seat (2) to lift, an installation ring (6), a first driving mechanism used for driving the installation ring (6) to rotate, an installation block (13), a second driving mechanism used for driving the installation block (13) to rotate, an installation sleeve (12), a third driving mechanism used for driving the installation sleeve (12) to rotate, a threaded rod (21) and a spline shaft (22), a connecting bearing (19) is sleeved outside the installation ring (6), the movable seat (2) is fixedly installed in a bilateral symmetry mode on an outer ring of the connecting bearing (19), the lifting mechanism is installed on the machine tool body (1) and drives the connecting movable seat (2), a first driving mechanism is connected between the movable seat (2) and the mounting ring (6), a plurality of mounting grooves (10) are axially formed in the mounting ring (6), a mounting block (13) is installed in the mounting groove (10) in a rotating manner, mounting shafts are fixed at the top and the bottom of the mounting block (13), the mounting shafts at the top of the mounting block (13) extend to the upper side of the mounting ring (6), a second driving mechanism is connected between the mounting ring (6) and the mounting shafts, a mounting sleeve (12) is arranged on the mounting block (13) in a penetrating manner, the mounting sleeve (12) is rotationally connected with the mounting block (13), a third driving mechanism is connected between the mounting sleeve (12) and the mounting block (13), a threaded rod (21) is connected in the mounting sleeve (12) in an internal thread manner, a spline shaft (22) is rotationally connected with one end of the threaded rod (21) in the mounting sleeve (12), and the spline shaft (22) is in, the one end that threaded rod (21) were kept away from in integral key shaft (22) extends to collar (6) inboard and installs spray tube (16), evenly is equipped with the nozzle on spray tube (16), and threaded rod (21), integral key shaft (22) all inside cavity, threaded rod (21), integral key shaft (22) and spray tube (16) three inner chamber intercommunication, threaded rod (21) are located the outside one end of installation cover (12) and penetrate and the swivelling joint has feed pipe (14) that are used for supplying the cutting fluid.
2. The cutting fluid spraying device for the numerical control machine tool according to claim 1, wherein the lifting mechanism comprises a fourth motor (18), two screw rods (20) and a belt transmission mechanism (17), the two screw rods (20) are respectively in threaded connection with the two movable seats (2), the screw rods (20) are rotatably installed in the machine tool body (1), the fourth motor (18) is in driving connection with one screw rod (20), the fourth motor (18) is fixedly installed at the top of the machine tool body (1), and the tops of the two screw rods (20) are connected through the belt transmission mechanism (17).
3. The cutting fluid spraying device for the numerical control machine tool according to claim 1, wherein the first driving mechanism comprises a first motor (3), a first gear (5) and an outer gear ring (4), the first motor (3) is fixedly installed on the movable seat (2), the first motor (3) is a forward and reverse rotating motor, the first gear (5) is fixedly installed on an output shaft of the first motor (3), and the outer gear ring (4) meshed with the first gear (5) is fixedly installed at the bottom of the mounting ring (6).
4. The cutting fluid spraying device for the numerical control machine tool according to claim 1, wherein the second driving mechanism comprises a second motor (7), a second gear (8), a double-sided gear ring (9) and a third gear (15), the third gear (15) is fixedly installed on the shaft section of the installation shaft located above the installation ring (6), the double-sided gear ring (9) meshed with the third gear (15) is rotatably installed outside the third gear (15) on the installation ring (6), the second motor (7) is fixedly installed on the upper surface of the installation ring (6), the second gear (8) meshed with the double-sided gear ring (9) is fixedly installed on the output shaft of the second motor (7), and the second motor (7) is a forward and reverse rotating motor.
5. The cutting fluid spraying device for the numerical control machine tool according to claim 1, wherein the third driving mechanism comprises a third motor and a spur gear pair (11), the third motor is fixedly installed on the outer side wall of the installation block (13), and the third motor is in driving connection with the installation sleeve (12) through the spur gear pair (11).
6. The cutting fluid spraying apparatus for the numerical control machine tool according to claim 1, wherein a handle is fixed to one end of the threaded rod (21) located outside the mounting sleeve (12).
7. The cutting fluid spraying device for the numerical control machine tool according to any one of claims 1 to 6, wherein the spraying pipe (16) is rotatably connected with the end of the spline shaft (22), a manual telescopic rod (23) is connected between the spraying pipe (16) and the spline shaft (22), and two ends of the manual telescopic rod (23) are respectively hinged with the spraying pipe (16) and the spline shaft (22).
CN202011110152.9A 2020-10-16 2020-10-16 Cutting fluid sprinkler for digit control machine tool Withdrawn CN112264831A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011110152.9A CN112264831A (en) 2020-10-16 2020-10-16 Cutting fluid sprinkler for digit control machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011110152.9A CN112264831A (en) 2020-10-16 2020-10-16 Cutting fluid sprinkler for digit control machine tool

Publications (1)

Publication Number Publication Date
CN112264831A true CN112264831A (en) 2021-01-26

Family

ID=74338325

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011110152.9A Withdrawn CN112264831A (en) 2020-10-16 2020-10-16 Cutting fluid sprinkler for digit control machine tool

Country Status (1)

Country Link
CN (1) CN112264831A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113695635A (en) * 2021-10-28 2021-11-26 江苏中昇电子科技有限公司 Drilling equipment is used in processing of communication equipment casing
CN115194552A (en) * 2022-08-18 2022-10-18 金菊素 Full-automatic efficient vertical machining center and using method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113695635A (en) * 2021-10-28 2021-11-26 江苏中昇电子科技有限公司 Drilling equipment is used in processing of communication equipment casing
CN113695635B (en) * 2021-10-28 2022-03-08 江苏中昇电子科技有限公司 Drilling equipment is used in processing of communication equipment casing
CN115194552A (en) * 2022-08-18 2022-10-18 金菊素 Full-automatic efficient vertical machining center and using method thereof
CN115194552B (en) * 2022-08-18 2023-12-22 江口县世佳电气科技有限公司 Full-automatic efficient vertical machining center and application method thereof

Similar Documents

Publication Publication Date Title
CN112264831A (en) Cutting fluid sprinkler for digit control machine tool
CN104999124B (en) Milling device for machining of inner side wall of workpiece
CN111203758B (en) Sufficient sprinkler of lathe cutting fluid
CN109940500B (en) Transmission device of continuous curved surface polishing machine
CN111330669A (en) Novel coal of environmental protection is broken device
CN103934309A (en) Expanding-shrinking mechanism of flying shear production line unwinding machine
CN206999325U (en) A kind of multifunctional stone machine for treating surface
CN206897992U (en) Washing steel pipes device
CN210473410U (en) Mist spray dust collector for building engineering
CN206689898U (en) The double abrasive wheel link gear of tubing polishing machine
CN104308540B (en) Integral type tooth/spiral case making device and the integral type processing method of tooth/worm gear
CN110586258A (en) Planetary ball mill for industrial use
CN109340254A (en) Shield machine gear ring and the detachable main drive shaft of raceway are held
CN209245066U (en) Shield machine gear ring and the detachable main drive shaft of raceway are held
CN204867583U (en) A milling unit for processing work piece inside wall
CN107269823A (en) A kind of casting finishing machine change-speed gearing structure
CN210703806U (en) Double-drive structure for AB swing head of metal cutting machine tool
CN204052994U (en) A kind of deep hole drilling and boring machine with planet-cycloid reducer
CN109877685B (en) Continuous multi-station polishing machine station rotating device
CN202517376U (en) Arc dresser for dressing grinding wheel through deep groove ball groove grinder
CN201586753U (en) Roller groove cutting machine
CN211680040U (en) Ball core manufacturing and processing device
CN204772087U (en) Plug -in type ceramic tile burnishing device
CN114871844B (en) Multifunctional numerical control machining tool
CN108655462A (en) A kind of deep hole boring machine for processing casting and rolling machine roll sleeve

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
WW01 Invention patent application withdrawn after publication

Application publication date: 20210126