CN112376152A - Weaving machine weaving dirt collection device - Google Patents

Weaving machine weaving dirt collection device Download PDF

Info

Publication number
CN112376152A
CN112376152A CN202011067444.9A CN202011067444A CN112376152A CN 112376152 A CN112376152 A CN 112376152A CN 202011067444 A CN202011067444 A CN 202011067444A CN 112376152 A CN112376152 A CN 112376152A
Authority
CN
China
Prior art keywords
fixed
plate
textile
cover
stereotyped
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
CN202011067444.9A
Other languages
Chinese (zh)
Inventor
王荣军
王楠睿
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.)
Zhe Jiang Meilaiya Textile Co ltd
Original Assignee
Zhe Jiang Meilaiya Textile 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 Zhe Jiang Meilaiya Textile Co ltd filed Critical Zhe Jiang Meilaiya Textile Co ltd
Priority to CN202011067444.9A priority Critical patent/CN112376152A/en
Publication of CN112376152A publication Critical patent/CN112376152A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • DTEXTILES; PAPER
    • D03WEAVING
    • D03JAUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00Auxiliary apparatus combined with or associated with looms
    • D03J1/002Climatic conditioning or removing lint or dust
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B35/00Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/32Devices for removing lint or fluff

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

The invention discloses a textile dust collecting device for a textile machine, which comprises four supporting flat plates and wheels, wherein the four wheels are distributed on the outer sides of the supporting flat plates, rotating shafts are fixed in the four wheels and are rotatably connected with the supporting flat plates through the rotating shafts, dust cleaning devices are installed at the bottoms of the supporting flat plates, and cotton wool collecting devices for preventing lighter cotton wool from flying are installed at the tops of the supporting flat plates. According to the invention, the dust cleaning device and the cotton wool collecting device are matched with each other by pushing the supporting flat plate to move on the ground by personnel, so that the dust on the ground is cleaned, the flying cotton wool can be collected, the dust generated by spinning of the personnel can be greatly improved, and compared with the existing mode of manually cleaning the spinning dust on the ground by utilizing a broom, the efficiency is higher and the convenience is higher.

Description

Weaving machine weaving dirt collection device
Technical Field
The invention relates to the technical field of textile machine equipment, in particular to a textile dust collecting device for a textile machine.
Background
The textile machines are also called textile machines, weaving machines, cotton spinning machines and the like, and the ancient textile machines are weaving machines driven by manpower. The textile machine is a general name of a tool for processing raw materials such as threads, silks, hemp and the like into silk threads and then weaving the silk threads into cloth.
Along with the development of weaving technique, the weaving machine obtains rapid development, and the weaving machine can produce a large amount of dusts and cotton fibre in the course of the work, and the untimely clearance can influence the use of environment-friendly weaving machine, also can reduce the life of spare part, causes the pollution to the environment simultaneously, and the workman can cause harm to its health under being in such environment for a long time.
Weaving machine among the prior art adopts the manual work to clear up mostly, and the personnel clean subaerial weaving dirt through the mop broom, but because the cotton fibre quality is lighter, the personnel sweep the floor the action and will lead to the cotton fibre to fly in the air greatly, and the inefficiency of manual cleaning, the effect of clearance is not very good, for this reason, we provide a weaving machine weaving dirt collection device.
Disclosure of Invention
The invention aims to provide a textile dust collecting device for a textile machine, which can be used for cleaning dust around the textile machine more conveniently by personnel and preventing cotton wool from flying, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a weaving machine weaving dirt collection device, is including supporting dull and stereotyped and wheel, the wheel is equipped with four to distribute in the dull and stereotyped outside of support, four all be fixed with the axis of rotation in the wheel to rotate with the support flat board through the axis of rotation and be connected, dust cleaning device is installed to the support flat board bottom, and supports dull and stereotyped top and install the cotton fibre collection device that prevents that the quality is lighter cotton fibre from dancing in the air.
Preferably, dust cleaning device includes the collecting box, the collecting box is installed in supporting dull and stereotyped bottom, and the collecting box tail end is opened there is the chip removal mouth, the chip removal door that can open and shut is installed to chip removal mouth internal rotation, the collecting box front end is connected with through the bearing rotation and is connect the hawk, and connects hawk surface both ends to install elastic component, it has the installing port to support dull and stereotyped surface to open, and installing port bottom both ends all are fixed with a supporting bench, the axle that cleans is installed to the supporting bench internal rotation, and cleans the axle outside and be fixed with a plurality of legs that clean, clean the axle both ends all are fixed with the connecting piece, realize cleaning to the dust through dust cleaning device.
Preferably, the connecting piece is including connecting gear and drive gear, connecting gear fixes in the axle outside of cleaning, and drive gear fixes in the axis of rotation outside, drive gear and connecting gear meshing, two gear engagement transmissions of variation in size to drive and clean the leg and clean ground.
Preferably, elastic component is including fixed cover, fixed cover is fixed in supporting the dull and stereotyped bottom, and slides in fixed cover and peg graft and have the traveller, the traveller bottom is fixed with the connecting plate, and fixed cover outside is fixed with the limiting plate, the connecting plate bottom is fixed with the connection ball, and connects the hawk top to be fixed with the connecting seat with connection ball looks adaptation, fixed cover outside cover has the spring, and the spring both ends respectively with limiting plate and connecting plate contact, make through elastic component to connect the hawk can closely laminate with ground, improve dust collection efficiency.
Preferably, cotton fibre collection device includes L type collecting pipe, L type collecting pipe fixed mounting is in supporting the flat board, and L type collecting pipe surface opens there is the collection mouth, L type collecting pipe tail end is fixed with the metal mesh, and installs two draught fans on the metal mesh, install the collection piece in the collection mouth, realize the collection to the cotton fibre through cotton fibre collection device, reduce scattering of cotton fibre simultaneously.
Preferably, the collecting part includes the apron, apron and collection mouth appearance adaptation, and the apron top is fixed with the pull-up plate, the apron bottom is fixed with and is used for the absorbent absorption net of cotton fibre, realizes the absorption collection to the cotton fibre through the collecting part, avoids appearing the condition emergence that the cotton fibre scatters.
Preferably, the two ends of the cover plate are fixedly provided with clamping plates clamped with the outer wall of the collecting port, and the clamping plates improve the installation stability.
Preferably, all be fixed with the supporting seat at support flat plate surface both ends, and the supporting seat outside is fixed with the dwang, the dwang outside is rotated and is installed U type push pedal, and U type push pedal outer end is fixed with the expansion plate, U type push pedal internal fixation has the powerful board, through mutually supporting of expansion plate and U type push pedal, realizes supporting dull and stereotyped promotion.
Preferably, clean the leg and include backup pad and brush board, the backup pad is fixed in cleaning the axle outside, and backup pad outer end is fixed with the brush board, can effectually sweep the dust into in connecing the ash board through the brush board.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the dust cleaning device and the cotton wool collecting device are matched with each other by pushing the supporting flat plate to move on the ground by personnel, so that the dust on the ground is cleaned, the flying cotton wool can be collected, the dust generated by spinning of the personnel can be greatly improved, and compared with the existing mode of manually cleaning the spinning dust on the ground by utilizing a broom, the efficiency is higher and the convenience is higher.
Drawings
FIG. 1 is a schematic view of the overall configuration of the present invention;
FIG. 2 is a schematic view of another overall configuration of the present invention;
FIG. 3 is a schematic view of the connection structure of the dust sweeping device and the cotton wool collecting device according to the present invention;
FIG. 4 is a schematic view of the dust sweeping device and the lint collecting device of the present invention at another angle;
FIG. 5 is a schematic view of a plurality of sweeping leg attachments of the present invention;
FIG. 6 is a schematic view of the collector of the present invention;
FIG. 7 is an enlarged view taken at A in FIG. 3;
fig. 8 is an enlarged view of fig. 6 at B.
In the figure: 1-a support plate; 2-vehicle wheels; 3-a rotating shaft; 4-dust sweeping means; 5-a cotton wool collecting device; 6-a collection box; 7-chip removal door; 8-ash receiving plate; 9-an elastic member; 10-a mounting port; 11-a support table; 12-cleaning the shaft; 13-cleaning legs; 14-a connector; 15-connecting gear; 16-a drive gear; 17-fixing the sleeve; 18-a spool; 19-a connecting plate; 20-a limiting plate; 21-a connecting ball; 22-a connecting seat; 23-a spring; a 24-L-shaped collection tube; 25-a collection port; 26-a metal mesh; 27-a draught fan; 28-a collecting member; 29-a cover plate; 30-lifting a plate; 31-an absorbent web; 32-cardboard; 33-a support base; 34-rotating rods; a 35-U-shaped push plate; 36-a retractable plate; 37-a strength plate; 38-chip removal port; 39-a support plate; 40-brush board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the textile dust collecting device for the textile machine in the figure comprises a supporting plate 1 and four wheels 2, the four wheels 2 are distributed outside the supporting plate 1, rotating shafts 3 are fixed in the four wheels 2 and are rotatably connected with the supporting plate 1 through the rotating shafts 3, a dust cleaning device 4 is installed at the bottom of the supporting plate 1, and a cotton wool collecting device 5 for preventing light cotton wool from flying is installed at the top of the supporting plate 1.
Wherein, dust cleaning device 4 includes collecting box 6, collecting box 6 is installed in supporting dull and stereotyped 1 bottom, and 6 tail ends of collecting box open there is chip removal mouth 38, chip removal door 7 that can open and shut is installed to chip removal mouth 38 internal rotation, through mutually supporting of chip removal door 7 and chip removal mouth 38 to the realization is emptyd the dust of collecting in the collecting box 6, and convenient next collection.
The front end of the collecting box 6 is rotatably connected with an ash receiving plate 8 through a bearing, elastic pieces 9 are mounted at two ends of the surface of the ash receiving plate 8, a mounting opening 10 is formed in the surface of the supporting flat plate 1, a supporting table 11 is fixed at two ends of the bottom of the mounting opening 10, a cleaning shaft 12 is mounted in the supporting table 11 in a rotating mode, a plurality of cleaning legs 13 are fixed on the outer side of the cleaning shaft 12, and connecting pieces 14 are fixed at two ends of the cleaning shaft 12.
The connecting piece 14 comprises a connecting gear 15 and a driving gear 16, the connecting gear 15 is fixed on the outer side of the cleaning shaft 12, the driving gear 16 is fixed on the outer side of the rotating shaft 3, the driving gear 16 is meshed with the connecting gear 15, the two gears are different in size, and therefore the wheels 2 can rotate for a plurality of circles by driving the connecting gear 15 when rotating for one circle, and dust cleaning is more efficient.
Elastic component 9 is including fixed cover 17, fixed cover 17 is fixed in supporting 1 bottom of flat board, and slides in fixed cover 17 and peg graft and have traveller 18, traveller 18 bottom is fixed with connecting plate 19, and fixed cover 17 outside is fixed with limiting plate 20, connecting plate 19 bottom is fixed with connecting ball 21, and connects 8 tops of hawk to be fixed with the connecting seat 22 with connecting ball 21 looks adaptation, fixed cover 17 outside cover has spring 23, and spring 23 both ends respectively with limiting plate 20 and connecting plate 19 contact, elastic component 9 makes and connects hawk 8 to contact with ground all the time.
The principle of cleaning textile dust in the surrounding environment of the textile machine is as follows: the supporting flat plate 1 is moved to drive the wheels 2 to roll, so that the rotating shaft 3 is driven to rotate, the driving gear 16 drives the connecting gear 15 to rotate, the sweeping legs 13 of the sweeping shaft 12 are enabled to circularly roll and sweep the ground, and foreign matters and dust on the ground are swept into the dust receiving plate 8 and the collecting box 6.
In addition, cotton fibre collection device 5 includes L type collecting pipe 24, L type collecting pipe 24 fixed mounting is in supporting plate 1, and L type collecting pipe 24 surface is opened there is collection mouth 25, L type collecting pipe 24 tail end is fixed with metal mesh 26, and installs two draught fans 27 on the metal mesh 26, install collection piece 28 in the collection mouth 25.
The collecting part 28 comprises a cover plate 29, the cover plate 29 is matched with the collecting port 25 in shape, a lifting plate 30 is fixed at the top of the cover plate 29, an adsorption net 31 for cotton wool adsorption is fixed at the bottom of the cover plate 29, and clamping plates 32 clamped with the outer wall of the collecting port 25 are fixed at two ends of the cover plate 29.
Principle of cotton wool collection: when cleaning the cotton fibre, because the cotton fibre quality is lighter, the phenomenon that appears dancing very easily when cleaning, at this moment, rotate through draught fan 27, to producing negative pressure suction in L type collecting pipe 24 to the cotton fibre that will dance comes in to the adhesion is on absorption net 31, takes out absorption net 31 through the personnel and clears away the cotton fibre, and is simple and convenient, and wherein, preferred LH-200 model of draught fan 27.
In order to make the more convenient promotion of personnel support dull and stereotyped 1, all be fixed with supporting seat 33 at supporting plate 1 surperficial both ends, and the supporting seat 33 outside is fixed with dwang 34, dwang 34 outside is rotated and is installed U type push pedal 35, and U type push pedal 35 outer end is fixed with expansion plate 36, U type push pedal 35 internal fixation has the reinforcing plate 37 to it is more convenient to make personnel to support dull and stereotyped 1's promotion.
In addition, the cleaning leg 13 includes a supporting plate 39 and a brush plate 40, the supporting plate 39 is fixed outside the cleaning shaft 12, and the outer end of the supporting plate 39 is fixed with the brush plate 40, so that the brush plate 40 is contacted with the ground to sweep the foreign matters on the ground into the dust collecting plate 8.
In this scheme, cleaning the back that finishes, personnel only need open chip removal door 7, both can empty the dust of collection in slope collecting box 6, compare with the mode that current manual work utilized the broom to clean subaerial weaving dirt, and efficiency is higher, and is more convenient.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a weaving machine weaving dirt collection device, includes and supports dull and stereotyped (1) and wheel (2), wheel (2) are equipped with four to distribute in the dull and stereotyped (1) outside of support, four all be fixed with axis of rotation (3) in wheel (2) to rotate through axis of rotation (3) and support dull and stereotyped (1) and be connected its characterized in that: support dull and stereotyped (1) bottom and install dust cleaning device (4), and support dull and stereotyped (1) top and install cotton fibre collection device (5) that prevent that the lighter cotton fibre of quality from dancing in air.
2. A textile dust collecting device for textile machines according to claim 1, characterized in that: dust cleaning device (4) are including collecting box (6), collecting box (6) are installed and are being supported dull and stereotyped (1) bottom, and collecting box (6) tail end is opened there is chip removal mouth (38), chip removal door (7) that can open and shut are installed to chip removal mouth (38) internal rotation, collecting box (6) front end rotates through the bearing to be connected with connects hawk (8), and connects hawk (8) surface both ends to install elastic component (9), it has installing port (10) to support dull and stereotyped (1) surface opening, and installing port (10) bottom both ends all are fixed with brace table (11), brace table (11) internal rotation is installed and is cleaned axle (12), and cleans axle (12) outside and is fixed with a plurality of legs (13) that clean, it all is fixed with connecting piece (14) to clean axle (12) both ends.
3. A textile dust collecting device for textile machines according to claim 2, characterized in that: the connecting piece (14) comprises a connecting gear (15) and a driving gear (16), the connecting gear (15) is fixed on the outer side of the cleaning shaft (12), the driving gear (16) is fixed on the outer side of the rotating shaft (3), and the driving gear (16) is meshed with the connecting gear (15).
4. A textile dust collecting device for textile machines according to claim 3, characterized in that: elastic component (9) are including fixed cover (17), fixed cover (17) are fixed in support flat board (1) bottom, and slide in fixed cover (17) and peg graft and have traveller (18), traveller (18) bottom is fixed with connecting plate (19), and fixed cover (17) outside is fixed with limiting plate (20), connecting plate (19) bottom is fixed with connection ball (21), and connects hawk (8) top to be fixed with and connect connecting seat (22) of ball (21) looks adaptation, fixed cover (17) outside cover has spring (23), and spring (23) both ends respectively with limiting plate (20) and connecting plate (19) contact.
5. A textile dust collecting device for textile machines according to claim 1, characterized in that: cotton fibre collection device (5) are including L type collecting pipe (24), L type collecting pipe (24) fixed mounting is in supporting plate (1), and L type collecting pipe (24) surface is opened there is collection mouth (25), L type collecting pipe (24) tail end is fixed with metal mesh (26), and installs two draught fans (27) on metal mesh (26), install in collection mouth (25) and collect piece (28).
6. A textile dust collecting device for a textile machine, according to claim 5, characterized in that: the collecting piece (28) comprises a cover plate (29), the cover plate (29) is matched with the shape of the collecting opening (25), a lifting plate (30) is fixed to the top of the cover plate (29), and an adsorption net (31) for cotton wool adsorption is fixed to the bottom of the cover plate (29).
7. A textile dust collecting device for textile machines according to claim 6, characterized in that: and clamping plates (32) clamped with the outer wall of the collecting port (25) are fixed at two ends of the cover plate (29).
8. A textile dust collecting device for textile machines according to claim 1, characterized in that: support flat board (1) surface both ends and all be fixed with supporting seat (33), and supporting seat (33) outside is fixed with dwang (34), dwang (35) outside is rotated and is installed U type push pedal (35), and U type push pedal (35) outer end is fixed with expansion plate (36), U type push pedal (35) internal fixation has strong plate (37).
9. A textile dust collecting device for textile machines according to claim 2, characterized in that: the cleaning legs (13) comprise a supporting plate (39) and a brush plate (40), the supporting plate (39) is fixed on the outer side of the cleaning shaft (12), and the outer end of the supporting plate (39) is fixed with the brush plate (40).
CN202011067444.9A 2020-10-06 2020-10-06 Weaving machine weaving dirt collection device Pending CN112376152A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011067444.9A CN112376152A (en) 2020-10-06 2020-10-06 Weaving machine weaving dirt collection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011067444.9A CN112376152A (en) 2020-10-06 2020-10-06 Weaving machine weaving dirt collection device

Publications (1)

Publication Number Publication Date
CN112376152A true CN112376152A (en) 2021-02-19

Family

ID=74581024

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011067444.9A Pending CN112376152A (en) 2020-10-06 2020-10-06 Weaving machine weaving dirt collection device

Country Status (1)

Country Link
CN (1) CN112376152A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114232185A (en) * 2021-12-29 2022-03-25 潘月 Flying wadding collecting device of textile machine for spinning

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475378A (en) * 2014-12-05 2015-04-01 苏州欧博时装有限公司 Vacuum cleaner capable of sucking needles for spinning
CN206736451U (en) * 2017-05-18 2017-12-12 浙江浩铭机械科技有限公司 Dust exhaust apparatus in a kind of spinning machine with collection device
CN108755522A (en) * 2018-03-20 2018-11-06 铜陵市兴达市政工程建设有限责任公司 A kind of playground lawn rubbish pick-up unit
CN209891134U (en) * 2019-04-02 2020-01-03 福州市诚恩贸易有限公司 Fallen leaf removing device
CN210614606U (en) * 2019-08-15 2020-05-26 苏州市德赫亚新纺织科技有限公司 Weaving equipment with clean function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475378A (en) * 2014-12-05 2015-04-01 苏州欧博时装有限公司 Vacuum cleaner capable of sucking needles for spinning
CN206736451U (en) * 2017-05-18 2017-12-12 浙江浩铭机械科技有限公司 Dust exhaust apparatus in a kind of spinning machine with collection device
CN108755522A (en) * 2018-03-20 2018-11-06 铜陵市兴达市政工程建设有限责任公司 A kind of playground lawn rubbish pick-up unit
CN209891134U (en) * 2019-04-02 2020-01-03 福州市诚恩贸易有限公司 Fallen leaf removing device
CN210614606U (en) * 2019-08-15 2020-05-26 苏州市德赫亚新纺织科技有限公司 Weaving equipment with clean function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114232185A (en) * 2021-12-29 2022-03-25 潘月 Flying wadding collecting device of textile machine for spinning
CN114232185B (en) * 2021-12-29 2023-05-30 金华市澳美纺织股份有限公司 Flying wadding collecting device of textile machine for spinning

Similar Documents

Publication Publication Date Title
CN112376152A (en) Weaving machine weaving dirt collection device
CN109230788A (en) Non-woven fabric production equipment
CN217922746U (en) Weaving dirt remove device on cloth
CN114931836B (en) Dust collector for sanitary towel production line
CN208165954U (en) A kind of rubber conveyer tail portion clearing apparatus
CN212525098U (en) Dust collector for photovoltaic equipment
CN213925575U (en) Cloth inspecting machine
CN201492378U (en) Hand-push type sweeping machine
CN211836875U (en) Dust removal device for commercial concrete production
CN210287889U (en) Surface fabric coating cleaning device
CN218539963U (en) Automatic cleaning device of textile machinery table board
CN215314600U (en) Weaving machine weaving dirt collection device
CN216652192U (en) Electric intelligent floor cleaning machine
CN112075881A (en) Automatic cleaning robot for ceramic tile floor
CN209475908U (en) A kind of workshop cleaner
CN217499546U (en) Spinning workshop dust collector
CN111872008A (en) Cleaning device of fan on weaving cleaner
CN220503285U (en) Lint cotton impurity removing mechanism
CN214965133U (en) Floor wiping machine
CN214342131U (en) Cleaning machine for collecting textile residues
CN220079548U (en) Leather grinding device for superfine fiber leather production
CN219568421U (en) Anti-blocking short fluff cleaning device special for towel production
CN212015464U (en) Domestic intelligent robot of sweeping floor
CN117564834B (en) High-efficient grinding device of slide panel
CN220832900U (en) Indoor ground ash removal 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
RJ01 Rejection of invention patent application after publication

Application publication date: 20210219

RJ01 Rejection of invention patent application after publication