CN110923860B - Automatic processing method and system for return flowers and return strips - Google Patents

Automatic processing method and system for return flowers and return strips Download PDF

Info

Publication number
CN110923860B
CN110923860B CN201911179118.4A CN201911179118A CN110923860B CN 110923860 B CN110923860 B CN 110923860B CN 201911179118 A CN201911179118 A CN 201911179118A CN 110923860 B CN110923860 B CN 110923860B
Authority
CN
China
Prior art keywords
cotton
returning
sliver
return
processor
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.)
Active
Application number
CN201911179118.4A
Other languages
Chinese (zh)
Other versions
CN110923860A (en
Inventor
倪敬达
崔中浩
何洪柱
刘成艳
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.)
Qingdao Hongda Textile Machinery Co Ltd
Original Assignee
Qingdao Hongda Textile Machinery 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 Qingdao Hongda Textile Machinery Co Ltd filed Critical Qingdao Hongda Textile Machinery Co Ltd
Priority to CN201911179118.4A priority Critical patent/CN110923860B/en
Publication of CN110923860A publication Critical patent/CN110923860A/en
Application granted granted Critical
Publication of CN110923860B publication Critical patent/CN110923860B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01GPRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G21/00Combinations of machines, apparatus, or processes, e.g. for continuous processing
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01GPRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02Carding machines
    • D01G15/12Details
    • D01G15/26Arrangements or disposition of carding elements
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01GPRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02Carding machines
    • D01G15/12Details
    • D01G15/40Feeding apparatus
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01GPRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/76Stripping or cleaning carding surfaces; Maintaining cleanliness of carding area
    • D01G15/82Arrangements for confining or removing dust, fly or the like
    • D01G15/825Arrangements for confining or removing dust, fly or the like by suction or blowing
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01GPRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G23/00Feeding fibres to machines; Conveying fibres between machines
    • D01G23/08Air draught or like pneumatic arrangements
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01GPRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G9/00Opening or cleaning fibres, e.g. scutching cotton
    • D01G9/14Details of machines or apparatus
    • D01G9/16Feeding arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

The invention relates to an automatic processing method of a return sliver, which comprises the steps of conveying the return sliver generated by a carding machine and a blowing system to a return sliver processor through a cotton conveying pipeline and a cotton conveying fan, and outputting the return sliver processor to a multi-bin cotton mixer of the blowing system after cotton feeding, conveying, tearing and loosening; the multi-bin cotton mixer of the cleaning system controls the output of the reversing and sliver-returning processor through the pressure in the multi-bin cotton mixer. The cotton returning and sliver returning processor further comprises a cotton storage module with a cotton position detection function, a sensor for sensing the returning and sliver returning is arranged at the input end of the cotton conveying pipeline, and the cotton storage module controls the suction of the returning and sliver returning through cotton position detection. The invention has the beneficial effects that effective fibers such as the return paper strip and the like are automatically conveyed back to the blowing-carding system production line after being treated, so that the fiber damage is reduced, the workload of turning workers is saved, and the production cost is reduced.

Description

Automatic processing method and system for return flowers and return strips
Technical Field
The invention belongs to the technical field of textile machinery, and particularly relates to an automatic processing method and system for a return flower strip.
Background
The generation of the return sliver is unavoidable in the whole process production process of spinning mills. At present, the mode of processing the return cotton sliver in a spinning mill has two modes, namely, the return cotton sliver is manually fed into waste cotton processing equipment to be processed into cotton bales; secondly, the manual feeding blowing system has the problems of inconvenient operation and high fiber damage.
The existing processing of the paperback and the strip has the following problems:
(1) The fiber damage of the re-packed and utilized return paper is large after multiple times of striking.
(2) The processing operation of the return paper strip is inconvenient and the labor cost is high.
In Chinese patent literature, the invention name is a full-flow intelligent spinning system for classifying, circulating, collecting and paying back flowers, and the publication number is CN110016741A, which discloses that on the basis of the existing intelligent spinning equipment, a cotton cleaning and dust filtering device, a cotton returning packer and a tail yarn cleaner, the back flowers generated by the intelligent spinning equipment system are conveyed to the cotton cleaning and dust filtering device for filtering and impurity removing in a pipeline suction and collection and transportation mode, and the filtered and impurity-removed fibers are conveyed to the packer for packing. The scheme is suitable for automatic recovery of the return flowers of the whole textile mill, the whole equipment occupies large space, and the re-packed return flowers are large in fiber damage after repeated striking.
Disclosure of Invention
In order to solve the technical problems, the invention provides an automatic processing method and an automatic processing system for the return paper clip, and aims to automatically convey effective fibers such as the return paper clip and the like back to a blowing-carding system production line after being processed, reduce fiber damage, save the workload of a lathe worker and reduce production cost.
The technical scheme of the invention is as follows:
the automatic processing method of the return sliver includes that the return sliver generated by a carding machine and a blowing system is conveyed to a return sliver processor through a cotton conveying pipeline and a cotton conveying fan, and the return sliver processor is conveyed to a multi-bin cotton mixer of the blowing system after cotton feeding, conveying, tearing and opening; the multi-bin cotton mixer of the cleaning system controls the output of the reversing and sliver-returning processor through the pressure in the multi-bin cotton mixer.
Compared with the prior art, the scutcher produced by the blowing-carding system is automatically connected into the scutcher processor through the cotton conveying pipeline, and is connected into the blowing system after being processed by the scutcher processor, and the blowing system controls the output of the scutcher processor through pressure; the whole set of system realizes seamless access to the cleaning system after the processing of the return flowers and the return strips, and occupies small space.
Based on the scheme, the invention also makes the following improvements:
further, the cotton returning and sliver returning processor further comprises a cotton storage module with a cotton position detection function, a sensor for sensing the cotton returning and sliver returning is arranged at the input end of the cotton conveying pipeline, and the cotton storage module controls the suction of the cotton returning and sliver returning through cotton position detection. In the technical improvement, the return strip processor has a strip storage function, and realizes automatic induction suction of return strips through material level detection and sensor detection, thereby realizing staged operation of equipment and reducing energy consumption.
The invention also discloses an automatic processing system for the return sliver, which comprises a cotton conveying pipeline connected with the carding machine and the return sliver outlet of the blowing system, a cotton conveying fan arranged on the cotton conveying pipeline, a return sliver processor connected with the cotton conveying pipeline, a multi-bin cotton mixing machine connected with the outlet of the return sliver processor through the cotton conveying pipeline, and a control system; the flower and sliver returning processor comprises a cotton storage module and a flower and sliver returning processing module; the control system comprises a pressure sensor arranged on the multi-bin cotton mixing machine of the blowing system, and the returning and sliver returning processor is controlled and output by the pressure sensor.
Further, the control system also comprises a sensor, a cotton position photoelectric switch and an electromagnetic valve, wherein the sensor is arranged at the inlet of the cotton conveying pipeline and used for sensing the return sliver, the cotton position photoelectric switch is arranged in the cotton storage module, the electromagnetic valve is arranged at the outlet of the return sliver processor, and the electromagnetic valve is controlled to be switched by the pressure sensor; the cotton position photoelectric switch controls the suction of the cotton returning strip at the inlet of the cotton conveying pipeline.
Further, the cotton storage module comprises a cotton storage box, a fiber separator arranged on the cotton storage box, a dust filtering pipeline connected with the cotton storage box, a lower cotton box arranged below the cotton storage box and a feeding roller arranged in the lower cotton box. In the technical improvement, the four sides of the fiber separator are exhausted, and the air outlet is connected with the dust filtering pipeline, so that the impurity removal of the return flowers and the return strips is realized.
Further, the return-strip processing module comprises a feeding flat curtain, a cotton pressing roller, two pairs of cotton feeding rollers and an opening roller, wherein the feeding flat curtain is used for processing the return strip. In the technical improvement, the feeding flat curtain and the cotton pressing roller control the conveying, and the cotton returning and stripping fiber is not damaged; the two pairs of cotton feeding rollers are matched, so that the strip can be easily broken; opening roller, soft to the fibre opening.
Further, the opening roller comprises a plurality of arc-shaped comb needle plates and comb needles implanted on the comb needle plates; the implantation angle of the comb needle is 65-90 degrees. In the technical improvement, the traditional card clothing is mainly used for processing fiber bundles or fiber layers, is not suitable for cotton blocks with larger return strips, and is provided with an opening roller consisting of a comb needle plate with an implanted comb needle for realizing soft opening of the return strips; in addition, in order to facilitate the output of the return sliver, a card wire with a large angle is used.
Further, the plurality of arc-shaped comb needle plates are divided into two groups, one group of comb needle plates is a light plate, comb needles are implanted on one group of comb needle plates, and the two groups of comb needle plates are distributed uniformly in a staggered mode. In the technical improvement, in order to prevent the winding of the strip, two kinds of comb needle plates are arranged, one kind of comb needle plate does not have comb needles, and the other kind of comb needle plate has comb needles; the two comb needle plates are uniformly staggered.
The invention has the beneficial effects that: effective fibers such as the return paper strip are automatically conveyed back to the blowing-carding system production line after being treated, so that the fiber damage is reduced, the workload of a lathe worker is saved, and the production cost is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
fig. 3 is a schematic cross-sectional view of the opening roller of the present invention.
In the figure, 1, a carding machine is provided with a return sliver outlet; 2. a flower returning strip outlet of the flower cleaning system; 3. cotton conveying fan; 4. a machine for processing the return flowers and strips; 5. an electromagnetic valve; 6. a flower returning strip inlet of the flower cleaning system; 7. cotton conveying pipeline; 41. a cotton storage box; 42. a fiber separator; 43. a dust filtering pipeline; 44. discharging cotton boxes; 45. a cotton position photoelectric switch; 46. a feed roller; 47. feeding a flat curtain; 48. a cotton pressing roller; 49. a cotton feeding roller; 50. an opening roller; 501. a comb needle; 502. comb needle plate.
Detailed Description
The automatic processing method of the return sliver includes that the return sliver generated by a carding machine and a blowing system is conveyed to a return sliver processor through a cotton conveying pipeline and a cotton conveying fan, and the return sliver processor is conveyed to a multi-bin cotton mixer of the blowing system after cotton feeding, conveying, tearing and opening; the multi-bin cotton mixer of the cleaning system controls the output of the reversing and sliver-returning processor through the pressure in the multi-bin cotton mixer. The cotton returning and sliver returning processor further comprises a cotton storage module with a cotton position detection function, a sensor for sensing the returning and sliver returning is arranged at the input end of the cotton conveying pipeline, and the cotton storage module controls the suction of the returning and sliver returning through cotton position detection.
As shown in fig. 1 and 2, an automatic processing system for the return sliver comprises a cotton conveying pipeline 7 for connecting a carding machine return sliver outlet 1 and a blowing system return sliver outlet 2, a cotton conveying fan 3 arranged on the cotton conveying pipeline 7, a return sliver processor 4 connected with the cotton conveying pipeline 7, a multi-bin cotton mixing machine (not shown in the figure) of the blowing system, and a control system, wherein the outlet of the return sliver processor 4 is connected with the blowing system through the cotton conveying pipeline 7; the flower and sliver returning processor comprises a cotton storage module and a flower and sliver returning processing module; the control system comprises a pressure sensor arranged on the multi-bin cotton mixing machine of the blowing system, and the back-blowing and back-slivering processor is controlled by the pressure sensor to output; the cotton-position photoelectric switch is arranged in the cotton storage module, and the electromagnetic valve 5 is arranged at the outlet of the cotton-returning strip processor, and the electromagnetic valve 5 is controlled to be switched by the pressure sensor; the cotton position photoelectric switch controls the suction of the cotton returning strip at the inlet of the cotton conveying pipeline.
As shown in fig. 2, the cotton storage module includes a cotton storage tank 41, a fiber separator 42 disposed on the cotton storage tank 41, a dust filtering pipe 43 connected with the cotton storage tank 41, a lower cotton tank 44 disposed below the cotton storage tank, and a feeding roller 46 disposed in the lower cotton tank 44. The return sliver treating module comprises a feeding flat curtain 47 for treating the return sliver, a cotton pressing roller 48, two pairs of cotton feeding rollers 49 and an opening roller 50. As shown in fig. 3, the opening roller includes a plurality of arc-shaped comb plates 502 and comb pins 501 implanted on the comb plates; the comb needle 501 is implanted at an angle of 65 ° -90 °. The plurality of arc-shaped comb needle plates are divided into two groups, one group of comb needle plates is a light plate, comb needles are implanted on one group of comb needle plates, and the two groups of comb needle plates are distributed uniformly in a staggered manner. In the embodiment, the number of the comb needle plates with the comb needles is the same as that of the comb needle plates without the comb needles, and the two comb needle plates are staggered; in addition, 2 comb needle plates without comb needles can be arranged between the comb needle plates with comb needles, and the comb needle plates are specifically arranged according to the characteristics of the return sliver.
The basic workflow of the system is as follows:
the cotton returning and sliver returning produced in the cotton carding process and the blowing process is sucked into the cotton conveying pipeline automatically via the sensor in the inlet of the cotton conveying pipeline, and the cotton returning and sliver returning is conveyed to the lower cotton box of the cotton returning and sliver returning processor via the cotton conveying fan, and the lower cotton box has cotton position photoelectric switch to control the suction of the cotton returning and sliver returning in the inlet of the conveying pipeline.
The feeding of the return sliver in the return sliver processor is controlled by the pressure of a multi-bin cotton mixing machine of the blowing system, when the multi-bin cotton is to be blown, the feeding roller of the lower cotton box rotates, and an electromagnetic valve at the outlet is opened, so that the return sliver processor starts to work; the treated fiber is conveyed into a multi-bin cotton mixer of a cleaning system through a cotton conveying pipeline. When the multi-bin cotton mixer stops cotton feeding, the feeding roller stops working, the cotton returning and sliver returning processor stops working, and the electromagnetic valve is closed at the same time.

Claims (5)

1. An automatic processing system for a return paper strip is characterized in that: the cotton conveying device comprises a cotton conveying pipeline connected with a carding machine and a cotton return strip outlet of a blowing system, a cotton conveying fan arranged on the cotton conveying pipeline, a cotton return strip processor connected with the cotton conveying pipeline, a multi-bin cotton mixing machine connected with the blowing system through the cotton conveying pipeline, and a control system; the flower and sliver returning processor comprises a cotton storage module and a flower and sliver returning processing module; the control system comprises a pressure sensor arranged on the multi-bin cotton mixing machine of the blowing system, and the back-blowing and back-slivering processor is controlled by the pressure sensor to output;
the control system also comprises a sensor, a cotton position photoelectric switch and an electromagnetic valve, wherein the sensor is arranged at the inlet of the cotton conveying pipeline and used for sensing the reversing and sliver returning, the cotton position photoelectric switch is arranged in the cotton storage module, the electromagnetic valve is arranged at the outlet of the reversing and sliver returning processor, and the electromagnetic valve is controlled to be switched by the pressure sensor; the cotton position photoelectric switch controls the suction of a cotton returning strip at the inlet of the cotton conveying pipeline;
the cotton storage module comprises a cotton storage box, a fiber separator arranged on the cotton storage box, a dust filtering pipeline connected with the cotton storage box, a lower cotton box positioned below the cotton storage box and a feeding roller arranged in the lower cotton box;
the reversing and strip-returning processing module comprises an opening roller, wherein the opening roller comprises a plurality of arc-shaped comb needle plates and comb needles implanted on the comb needle plates; the implantation angle of the comb needle is 65-90 degrees.
2. The automatic processing system for the return trip of a flower as defined in claim 1, wherein: the return sliver treatment module further comprises a feeding flat curtain, a cotton pressing roller and two pairs of cotton feeding rollers for treating the return sliver.
3. The automatic processing system for the return trip of a flower as defined in claim 1, wherein: the plurality of arc-shaped comb needle plates are divided into two groups, one group of comb needle plates is a light plate, comb needles are implanted on one group of comb needle plates, and the two groups of comb needle plates are distributed uniformly in a staggered manner.
4. An automatic processing method of a tie-back strip based on the tie-back strip automatic processing system of any one of claims 1 to 3; the method is characterized in that: the cotton returning and sliver returning generated by the carding machine and the blowing system is conveyed to a cotton returning sliver processor through a cotton conveying pipeline and a cotton conveying fan, and the cotton returning sliver processor is conveyed to a multi-bin cotton mixer of the blowing system after cotton feeding, conveying, tearing and opening; the multi-bin cotton mixer of the cleaning system controls the output of the reversing and sliver-returning processor through the pressure in the multi-bin cotton mixer.
5. The automatic processing method for the return trip according to claim 4, wherein: the cotton returning and sliver returning processor further comprises a cotton storage module with a cotton position detection function, a sensor for sensing the returning and sliver returning is arranged at the input end of the cotton conveying pipeline, and the cotton storage module controls the suction of the returning and sliver returning through cotton position detection.
CN201911179118.4A 2019-11-27 2019-11-27 Automatic processing method and system for return flowers and return strips Active CN110923860B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911179118.4A CN110923860B (en) 2019-11-27 2019-11-27 Automatic processing method and system for return flowers and return strips

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911179118.4A CN110923860B (en) 2019-11-27 2019-11-27 Automatic processing method and system for return flowers and return strips

Publications (2)

Publication Number Publication Date
CN110923860A CN110923860A (en) 2020-03-27
CN110923860B true CN110923860B (en) 2024-03-29

Family

ID=69852247

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911179118.4A Active CN110923860B (en) 2019-11-27 2019-11-27 Automatic processing method and system for return flowers and return strips

Country Status (1)

Country Link
CN (1) CN110923860B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101058904A (en) * 2007-05-29 2007-10-24 青岛合力纤维有限公司 Pure rabbit hair carding sett frame
CN201512616U (en) * 2009-05-26 2010-06-23 光山白鲨针布有限公司 Cotton spinning cove plate needle cloth
CN203247358U (en) * 2013-05-20 2013-10-23 浙江新棉纺织有限公司 Carding machine card clothing
CN103643355A (en) * 2013-11-29 2014-03-19 山东新力环保材料有限公司 Novel carding machine
CN206512341U (en) * 2016-12-05 2017-09-22 卓郎(常州)纺织机械有限公司 It is a kind of to prevent from rotating the structure that roller card clothing winds fiber
CN107419375A (en) * 2017-08-31 2017-12-01 湖北双迅纺织有限公司 A kind of waste cotton treatment method
CN109023605A (en) * 2018-08-21 2018-12-18 金轮针布(江苏)有限公司 Flat clothing for carding machine item
CN208250486U (en) * 2018-05-07 2018-12-18 安徽圣佳服装辅料科技有限公司 Non-woven fabric production line waste recovery utilizes system
CN212560566U (en) * 2019-11-27 2021-02-19 青岛宏大纺织机械有限责任公司 Automatic processing system for Chinese style paper clip

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101058904A (en) * 2007-05-29 2007-10-24 青岛合力纤维有限公司 Pure rabbit hair carding sett frame
CN201512616U (en) * 2009-05-26 2010-06-23 光山白鲨针布有限公司 Cotton spinning cove plate needle cloth
CN203247358U (en) * 2013-05-20 2013-10-23 浙江新棉纺织有限公司 Carding machine card clothing
CN103643355A (en) * 2013-11-29 2014-03-19 山东新力环保材料有限公司 Novel carding machine
CN206512341U (en) * 2016-12-05 2017-09-22 卓郎(常州)纺织机械有限公司 It is a kind of to prevent from rotating the structure that roller card clothing winds fiber
CN107419375A (en) * 2017-08-31 2017-12-01 湖北双迅纺织有限公司 A kind of waste cotton treatment method
CN208250486U (en) * 2018-05-07 2018-12-18 安徽圣佳服装辅料科技有限公司 Non-woven fabric production line waste recovery utilizes system
CN109023605A (en) * 2018-08-21 2018-12-18 金轮针布(江苏)有限公司 Flat clothing for carding machine item
CN212560566U (en) * 2019-11-27 2021-02-19 青岛宏大纺织机械有限责任公司 Automatic processing system for Chinese style paper clip

Also Published As

Publication number Publication date
CN110923860A (en) 2020-03-27

Similar Documents

Publication Publication Date Title
CN103806137B (en) Heterogeneous animal fiber opening box and equipment thereof
CN106801271A (en) A kind of fiber-spinnable processing method
CN202247068U (en) Novel opening machine
CN102704068B (en) System for automatically cleaning tail yarns of roving bobbins
EP2295620A1 (en) Feeding device of a fibre preparation line for carding
CN108468106A (en) A kind of novel and multifunctional automatic plucker
CN110923860B (en) Automatic processing method and system for return flowers and return strips
CN212560566U (en) Automatic processing system for Chinese style paper clip
US2946174A (en) Apparatus for doffing lint collection chambers
CN211057306U (en) Simple blowing-carding unit for spinning
CN211057305U (en) Blowing-carding unit
CN207525395U (en) Carding machine
CN210636111U (en) Carding machine for industrial spinning
CN102776608A (en) Super-simple blowing-carding technology and device thereof
CN212533236U (en) Cotton-waste and back-strip automatic processing machine with cotton storage function
CN109295555B (en) Cotton fluffer for spinning
CN110923859A (en) Cotton-waste and back-strip automatic processing machine with cotton storage function
CN205062281U (en) Automatic recovery system of clear bullet machine of flaxen fiber
CN209397309U (en) The reclaimer of hospital gauze leftover pieces
CN206438220U (en) A kind of environmental protection and energy saving blowing-carding-drawing unit
CN205062277U (en) Short numb fiber recycling system
CN209741328U (en) Multifunctional scutcher
CN212175090U (en) Cotton mixer with dustproof cleaning function
CN204570114U (en) A kind of novel to cotton scutching cotton equipment
CN200992596Y (en) Cotton spinning unusual-fine impurity removing machine

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
GR01 Patent grant
GR01 Patent grant