CN109338491B - Silk moving and shredding device - Google Patents

Silk moving and shredding device Download PDF

Info

Publication number
CN109338491B
CN109338491B CN201811381534.8A CN201811381534A CN109338491B CN 109338491 B CN109338491 B CN 109338491B CN 201811381534 A CN201811381534 A CN 201811381534A CN 109338491 B CN109338491 B CN 109338491B
Authority
CN
China
Prior art keywords
guide wheel
shredding
guide rail
shredding device
fixed
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
CN201811381534.8A
Other languages
Chinese (zh)
Other versions
CN109338491A (en
Inventor
钱凤娥
史理娥
张海东
莫晨
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.)
WUXI HONGYUAN ELECTROMECHANICAL TECHNOLOGY CO LTD
Original Assignee
WUXI HONGYUAN ELECTROMECHANICAL TECHNOLOGY 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 WUXI HONGYUAN ELECTROMECHANICAL TECHNOLOGY CO LTD filed Critical WUXI HONGYUAN ELECTROMECHANICAL TECHNOLOGY CO LTD
Priority to CN201811381534.8A priority Critical patent/CN109338491B/en
Publication of CN109338491A publication Critical patent/CN109338491A/en
Application granted granted Critical
Publication of CN109338491B publication Critical patent/CN109338491B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D13/00Complete machines for producing artificial threads
    • D01D13/02Elements of machines in combination

Abstract

The invention discloses a wire moving and shredding device which comprises a shredding device and a wire moving cam device, wherein the wire moving cam device is connected with the head end of the shredding device, and the shredding device comprises first shredding devices or second shredding devices which are distributed at intervals; the first wire cutting device comprises a supporting guide wheel device and a limiting guide rail bracket, wherein the supporting guide wheel device is fixed with channel steel of the first wire cutting device, the limiting guide rail bracket is arranged on a machine component, and a supporting guide wheel device is arranged in a space of an extending end of the limiting guide rail bracket; the second shredding device comprises guide wheel devices which are vertically symmetrically distributed, and the guide wheel devices are respectively fixed with the channel steel of the second shredding device and are positioned in the groove of the limit guide rail channel steel. According to the invention, the bearing on the supporting guide wheel device rolls back and forth on the supporting guide rail, so that the device can stably move, and the stability of the wire moving and shredding device in the wire moving and shredding process is ensured; meanwhile, the rolling resistance is small, the transmission efficiency is high, and the service life of the part is prolonged.

Description

Silk moving and shredding device
Technical Field
The invention relates to a textile mechanical device, in particular to a yarn moving and shredding device.
Background
In the spinning process of the chemical fiber machine, in order to prevent silk threads from being wound on a machine running roller during silk breakage, a shredding device needs to be installed in front of a feeding roller, and the shredding device aims to cut off the silk threads at a silk feeding inlet in front of a machine silk channel when the silk threads behind the machine silk channel are broken, cut off the silk threads from a silk feeding source and prevent the silk threads from being wound on the roller due to continuous silk feeding.
When the machine is used for normal spinning, the silk thread needs to reciprocate on the surface of the roller, so that the silk thread is prevented from being conveyed at fixed positions on the surfaces of the roller and the leather roller, and partial abrasion is avoided to form grooves, and the service life of parts is reduced; in addition, the abrasion grooves on the roller and the leather roller can cause insufficient holding force of the silk thread and uneven silk thread drafting, thereby causing quality degradation of the silk thread and the like.
The movement of the silk thread is realized by a silk moving device, as shown in fig. 1, a silk moving cam device 2 is connected with the head end of the silk cutting device, reciprocating movement power is transmitted, a cam 20 rotates under the transmission of power (such as a motor), so that a roller 21 is driven to reciprocate in a groove of the cam 20, the silk moving cam device 2 is formed by the combination of the two components, the rotating movement is converted into linear reciprocating movement, one end of the silk moving rod 22 is rigidly connected with the roller 21 in the silk moving cam device 2, and the other end of the silk moving rod 22 is connected with the head end of the silk cutting device 1, so that the silk cutting device is driven to move together.
Fig. 2 shows a conventional yarn-moving and shredding device, in which the head end of the shredding device 1 is connected with a yarn-moving rod 22 in a yarn-moving cam device 2, and the shredding device 1 drives a yarn in a shredder to continuously reciprocate along with the operation of the yarn-moving cam device 2, so as to achieve a yarn-moving effect. Referring to fig. 3, the slicing device 1 includes a channel steel 8 and slicing devices 9, in general, a channel steel 8 is provided with 12, 16 or 24 slicing devices 9, a machine is formed by connecting a plurality of identical sections in series, in general, one section is formed by two face-to-face slicing devices 1, and the number of the sections of the machine is determined according to the number of wire rods. In the spinning process, each thread 18 passes through a corresponding thread cutter 9, if the thread sensor behind the thread path cannot detect the thread, the thread is indicated to be broken, the signal is sent to the thread cutting device 1, the thread cutter 9 starts the thread cutting action, the thread 18 is cut off, and the system prompts the occurrence of thread breakage.
As shown in fig. 3, the shredding device 1 is suspended on a frame through a spring connection plate 15, and in the process of moving the shredding device 1 in a reciprocating manner, the shredding device is realized by using deformation of the spring connection plate 15, but simultaneously, excessive up-and-down movement is brought, as shown in fig. 4, when the shredding device moves left and right by 10mm, up-and-down movement of 1.16mm is brought, and when the whole row of shredders move 10mm along the X direction, movement of 1.16mm is brought to the Y direction, so that the movement of the device is unstable. In addition, the spring connecting plate 15 is repeatedly elastically deformed, fatigue damage is easy to occur in the use process, the spring connecting plate 15 is broken, and the machine must be stopped for maintenance, so that the machine efficiency is affected.
Disclosure of Invention
The invention aims to: the invention aims to provide a novel wire moving and shredding device which can avoid the influence on machine efficiency caused by the up-and-down movement of the traditional wire moving and shredding device and the easy breakage of a spring connecting plate.
The technical scheme is as follows: the invention comprises a shredding device and a shredding cam device, wherein the shredding cam device is connected with the head end of the shredding device, and the shredding device comprises first shredding devices or second shredding devices which are distributed at intervals; the first wire cutting device comprises a supporting guide wheel device and a limiting guide rail bracket, wherein the supporting guide wheel device is fixed with channel steel of the first wire cutting device, the limiting guide rail bracket is arranged on a machine component, the supporting guide wheel device is arranged in a space of an extending end of the limiting guide rail bracket, and the supporting guide wheel device rolls in the limiting guide rail bracket through a bearing; the second shredding device comprises guide wheel devices which are vertically symmetrically distributed, and the guide wheel devices are respectively fixed with the channel steel of the second shredding device and are positioned in the groove of the limit guide rail channel steel.
The supporting guide wheel device comprises a supporting plate, a fixed small shaft, a bearing and a retainer ring, wherein the fixed small shaft is arranged on the supporting plate, the bearing is arranged on the fixed small shaft and fixed in a mode of the retainer ring or a nut, and the supporting guide wheel device rolls in the limit guide rail bracket through the bearing, so that the shredding device is driven to move, and the movement of the shredding device in the vertical direction in the moving process is avoided.
The support plate is fixed with the channel steel of the first wire cutting device through screws or other modes.
The guide wheel device comprises an upper guide wheel device and a lower guide wheel device, and the upper guide wheel device and the lower guide wheel device are respectively fixed with the channel steel of the second shredding device through connecting brackets.
The upper guide wheel device and the lower guide wheel device comprise a connecting bracket, a fixed small shaft and a bearing, the bearing is arranged on the fixed small shaft and fixed through a check ring, and the extending end of the fixed small shaft is fixed with the connecting bracket, so that the bearing moves in the channel steel of the limit guide rail and limits the movement in the front direction and the back direction of the bearing.
The limit guide rail channel steel is fixed with the guide rail bracket, and the guide rail bracket is arranged on the machine component.
The beneficial effects are that: according to the invention, the bearing on the supporting guide wheel device rolls back and forth on the supporting guide rail, so that the device can stably move, and the stability of the wire moving and shredding device in the wire moving and shredding process is ensured; meanwhile, the rolling resistance is small, the transmission efficiency is high, and the service life of the part is prolonged.
Drawings
FIG. 1 is a schematic diagram of a wire moving cam arrangement;
FIG. 2 is a schematic diagram of a conventional yarn feeding and shredding device;
FIG. 3 is a cross-sectional view of a conventional yarn-moving and shredding device;
FIG. 4 is a deformation diagram of a spring connecting plate of a conventional yarn-moving and shredding device;
FIG. 5 is a schematic view of a yarn feeding and shredding device according to the present invention;
FIG. 6 is a cross-sectional view of the yarn moving and shredding device A-A of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6;
FIG. 8 is a cross-sectional view of the yarn moving and shredding device B-B of the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8;
FIG. 10 is a schematic view of an idler assembly of the present disclosure.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 5 to 10, the present invention includes a filament cutter 1, a filament moving cam device 2, a supporting guide wheel device 3, a spacing guide rail bracket 4, a guide rail bracket 5, an upper guide wheel device 25 and a lower guide wheel device 26. The yarn-moving cam device 2 is connected with the head end of the yarn-cutting device 1 through a yarn-moving rod 22, and the yarn-cutting device 1 comprises first yarn-cutting devices or second yarn-cutting devices which are distributed at intervals, as shown in fig. 5, wherein the section A-A is the first yarn-cutting device, and the section B-B is the second yarn-cutting device. The first wire cutting device comprises a supporting guide wheel device 3 and a limiting guide rail bracket 4, wherein the supporting guide wheel device 3 is fixed with a channel steel 8 of the first wire cutting device, the limiting guide rail bracket 4 is arranged on a machine component 17, the extending end of the limiting guide rail bracket 4 is L-shaped, the supporting guide wheel device 3 is arranged in the L-shaped space, and the supporting guide wheel device 3 rolls in the limiting guide rail bracket 4 through a bearing 13; the second shredding device comprises guide wheel devices which are vertically symmetrically distributed, and the guide wheel devices are respectively fixed with the channel steel 8 of the second shredding device and are positioned in the groove of the limit guide rail channel steel 24.
As shown in fig. 6 and 7, the supporting guide wheel device 3 includes a supporting plate 11, a fixed small shaft 12, a bearing 13, and a retainer ring 14. One end of the supporting plate 11 is fixed with the top of the channel steel 8 of the first wire cutting device through a screw or other modes, a small fixing shaft 12 is arranged at the other end of the supporting plate 11 along the horizontal direction, a bearing 13 is arranged on the small fixing shaft 12, and the small fixing shaft is fixed through a retainer ring 14 or a nut and the like. The limiting guide rail bracket 4 is fixed on a machine structural member, one end of the limiting guide rail bracket 4 is mounted on the machine structural member 17 through a bolt, the other end of the limiting guide rail bracket 4 is L-shaped, the short side of the L-shaped is positioned below the bearing 13 and is in contact with the bearing, and the supporting guide wheel device 3 rolls in the limiting guide rail bracket 4 through the bearing 13, so that the movement of the first wire cutting device in the Y (up-down) direction is limited, and the running stability of the device is ensured.
The yarn moving cam device 2 is connected with the head end of the yarn cutting device 1 through a yarn moving rod 22, and when the yarn moving cam device reciprocates, the supporting guide wheel device 3 rolls in the limit guide rail bracket 4 through a bearing 13, so that the yarn cutting device 1 is driven to move, and the Y (up and down) direction movement in the yarn moving process is avoided. The whole shredding device 1 is driven by the yarn moving cam device 2 to reciprocate on the limit guide rail bracket 4 stably and without vibration through the supporting guide wheel device 3. Since the limiting guide rail bracket 4 limits the downward movement of the device, the up-and-down runout can be reduced by half by adjusting the limiting guide rail bracket 4.
As shown in fig. 8 and 9, the second shredding device includes vertically symmetrically distributed guide wheel devices, that is, vertically symmetrically distributed upper guide wheel device 25 and lower guide wheel device 26, where the upper guide wheel device 25 and the lower guide wheel device 26 are both located in the groove of the spacing guide rail channel 24, the outer side of the spacing guide rail channel 24 is fixed to the guide rail bracket 5, and the other end of the guide rail bracket 5 is connected to the machine member 17 of the second shredding device through a bolt.
The upper guide wheel device 25 comprises a first connecting bracket 6, a fixed small shaft, a bearing and a retainer ring, the upper guide wheel device 25 is fixed with the top of the channel steel 8 through the first connecting bracket 6, the retainer ring is arranged on the upper surface of the first connecting bracket 6, the fixed small shaft is inserted in the center of the upper guide wheel device, the bearing is sleeved on the fixed small shaft, and the fixed small shaft is fixed by the retainer ring. The bearing is attached to the first attachment bracket 6 by a fixed small shaft and retainer ring to move the bearing within the curb rail channel 24.
The lower guide wheel device 26 comprises a second connecting bracket 7, a fixed small shaft, a bearing and a retainer ring, the lower guide wheel device 26 is fixed with the side face of the channel steel 8 through the second connecting bracket 7, the retainer ring is arranged on the lower surface of the second connecting bracket 7, the fixed small shaft is inserted in the center of the lower guide wheel device, the bearing is sleeved on the fixed small shaft, and the fixed small shaft is fixed through the retainer ring. The bearing is attached to the second attachment bracket 7 by a fixed small shaft and retainer ring to move the bearing within the curb rail channel 24. The whole second shredding device is driven by the yarn moving cam device 2 to reciprocate in the limit guide rail channel steel 24 stably and vibrationlessly through the upper guide wheel device 25 and the lower guide wheel device 26, so that the movement of the second shredding device in the front-back direction is limited, and bidirectional limitation is formed.
Generally, a machine is formed by connecting 10-16 sections, the X-direction length of the whole machine is more than 20 meters, each surface of the machine is connected together by 10-16 sections of shredding devices through bolts or other connection modes, the whole shredding device is driven to move by a wire moving cam device, due to the fact that the number of sections is more, when the sections are connected, linearity errors exist in the straight line direction, when the wire moving rod of the shaft head pushes the shredding devices of the later sections from the head section, thrust in the Y direction and thrust in the Z direction can be generated, and trace jumping exists in the reciprocating movement process. As shown in fig. 6, the downward movement is limited by the limit guide rail bracket, and the up-and-down jumping amount is reduced by half by adjusting the limit guide rail bracket; as shown in fig. 8, the limiting guide channel steel limits the movement of the device in the front-back direction, so that bidirectional limitation is formed. The whole machine can be independently used with the first shredding device shown in fig. 6 or the second shredding device shown in fig. 8, and if the moving stability is further improved, 1-2 second shredding devices shown in fig. 8 can be added on the first shredding device.

Claims (4)

1. The yarn moving and shredding device comprises a shredding device (1) and a yarn moving cam device (2), wherein the yarn moving cam device (2) is connected with the head end of the shredding device (1), and the yarn moving device is characterized in that the shredding device (1) has three types of structures, namely a first shredding device, a second shredding device and a first shredding device and a second shredding device which are distributed at intervals; the first wire cutting device comprises a supporting guide wheel device (3) and a limit guide rail bracket (4), wherein the supporting guide wheel device (3) is fixed with a channel steel (8) of the first wire cutting device, the limit guide rail bracket (4) is arranged on a machine component (17), the supporting guide wheel device (3) is arranged in a space of an extending end of the machine component, and the supporting guide wheel device (3) rolls in the limit guide rail bracket (4) through a bearing (13); the second shredding device comprises guide wheel devices which are vertically and symmetrically distributed, and the guide wheel devices are respectively fixed with channel steel (8) of the second shredding device and are positioned in a groove of a limit guide rail channel steel (24);
the supporting guide wheel device (3) comprises a supporting plate (11), a fixed small shaft (12) and a bearing (13), wherein the fixed small shaft (12) is arranged on the supporting plate (11), and the bearing (13) is arranged on the fixed small shaft (12);
the guide wheel device comprises an upper guide wheel device (25) and a lower guide wheel device (26), the upper guide wheel device (25) and the lower guide wheel device (26) are respectively fixed with channel steel (8) of the second shredding device through connecting brackets (6, 7), the upper guide wheel device (25) and the lower guide wheel device (26) all comprise connecting brackets, fixed small shafts and bearings, the bearings are arranged on the fixed small shafts, and the extending ends of the bearings are fixed with the connecting brackets.
2. A yarn moving and shredding device according to claim 1, characterized in that the supporting guide wheel means (3) further comprises a collar (14).
3. A wire moving and shredding device according to claim 2, characterized in that the support plate (11) is fixed to the channel (8) of the first shredding device by means of screws.
4. The wire moving and shredding device according to claim 1, characterized in that the spacing guide rail channel (24) is fixed with the guide rail bracket (5), the guide rail bracket (5) being mounted on the machine member (17).
CN201811381534.8A 2018-11-20 2018-11-20 Silk moving and shredding device Active CN109338491B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811381534.8A CN109338491B (en) 2018-11-20 2018-11-20 Silk moving and shredding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811381534.8A CN109338491B (en) 2018-11-20 2018-11-20 Silk moving and shredding device

Publications (2)

Publication Number Publication Date
CN109338491A CN109338491A (en) 2019-02-15
CN109338491B true CN109338491B (en) 2023-09-01

Family

ID=65316215

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811381534.8A Active CN109338491B (en) 2018-11-20 2018-11-20 Silk moving and shredding device

Country Status (1)

Country Link
CN (1) CN109338491B (en)

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036784A (en) * 1957-09-25 1962-05-29 Barmag Barmer Maschf Winding apparatus for use in synthetic thread spinning machines
JPH02291366A (en) * 1989-04-28 1990-12-03 Teijin Seiki Co Ltd Traverse device for filament
CN101372781A (en) * 2007-08-23 2009-02-25 里特机械公司 Drawing mechanism and sub-roller bearing slider
CN102286812A (en) * 2010-06-17 2011-12-21 株式会社丰田自动织机 Cross-winding device for spinning machine
CN202576729U (en) * 2012-03-13 2012-12-05 福建凯邦锦纶科技有限公司 Novel yarn transfer device of draw texturing machine
WO2012171590A1 (en) * 2011-06-16 2012-12-20 Oerlikon Textile Gmbh & Co. Kg Method and device for producing a crimped multifilament thread
CN103014965A (en) * 2012-12-28 2013-04-03 无锡宏源机电科技有限公司 Silk moving device
CN103361752A (en) * 2013-07-25 2013-10-23 北京中丽制机工程技术有限公司 Filament POY (Pre-Oriented Yarn) drafting and winding device
CN203270148U (en) * 2013-04-15 2013-11-06 浙江凯成纺织机械有限公司 Yarn moving structure capable of swinging left and right
CN204174334U (en) * 2014-09-23 2015-02-25 诸暨绍弹化纤有限公司 Novel spinning machine piddler device
CN204939708U (en) * 2015-09-06 2016-01-06 浙江中丽制机工程技术有限公司 A kind of Traverse mechanism of drawing false twist texturing machine
WO2017001659A1 (en) * 2015-07-02 2017-01-05 Oerlikon Textile Gmbh & Co. Kg Auxiliary device for feeding a thread
CN205934206U (en) * 2016-08-16 2017-02-08 新昌县诺鼎科技有限公司 Transmission device
CN107091306A (en) * 2017-04-10 2017-08-25 太仓绒彩纺织品有限公司 Move silk device
CN209338719U (en) * 2018-11-20 2019-09-03 无锡宏源机电科技股份有限公司 Move silk chasing-attachment

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036784A (en) * 1957-09-25 1962-05-29 Barmag Barmer Maschf Winding apparatus for use in synthetic thread spinning machines
JPH02291366A (en) * 1989-04-28 1990-12-03 Teijin Seiki Co Ltd Traverse device for filament
CN101372781A (en) * 2007-08-23 2009-02-25 里特机械公司 Drawing mechanism and sub-roller bearing slider
CN102286812A (en) * 2010-06-17 2011-12-21 株式会社丰田自动织机 Cross-winding device for spinning machine
WO2012171590A1 (en) * 2011-06-16 2012-12-20 Oerlikon Textile Gmbh & Co. Kg Method and device for producing a crimped multifilament thread
CN202576729U (en) * 2012-03-13 2012-12-05 福建凯邦锦纶科技有限公司 Novel yarn transfer device of draw texturing machine
CN103014965A (en) * 2012-12-28 2013-04-03 无锡宏源机电科技有限公司 Silk moving device
CN203270148U (en) * 2013-04-15 2013-11-06 浙江凯成纺织机械有限公司 Yarn moving structure capable of swinging left and right
CN103361752A (en) * 2013-07-25 2013-10-23 北京中丽制机工程技术有限公司 Filament POY (Pre-Oriented Yarn) drafting and winding device
CN204174334U (en) * 2014-09-23 2015-02-25 诸暨绍弹化纤有限公司 Novel spinning machine piddler device
WO2017001659A1 (en) * 2015-07-02 2017-01-05 Oerlikon Textile Gmbh & Co. Kg Auxiliary device for feeding a thread
CN204939708U (en) * 2015-09-06 2016-01-06 浙江中丽制机工程技术有限公司 A kind of Traverse mechanism of drawing false twist texturing machine
CN205934206U (en) * 2016-08-16 2017-02-08 新昌县诺鼎科技有限公司 Transmission device
CN107091306A (en) * 2017-04-10 2017-08-25 太仓绒彩纺织品有限公司 Move silk device
CN209338719U (en) * 2018-11-20 2019-09-03 无锡宏源机电科技股份有限公司 Move silk chasing-attachment

Also Published As

Publication number Publication date
CN109338491A (en) 2019-02-15

Similar Documents

Publication Publication Date Title
CN109338491B (en) Silk moving and shredding device
CN210975017U (en) Bobbin creel and plastic circular weaving machine
CN209338719U (en) Move silk chasing-attachment
CN218932440U (en) Chenille textile machine
CN209779048U (en) Spacing adjustment mechanism and unginned cotton cleaning machine
CN202744710U (en) Thread spinner traversing device driven by servo motor
CN1309891C (en) Fibre bundle buncher for spinning machine
CN202865448U (en) Rotor spinner traverse mechanism
CN111020851B (en) Yarn tensioning device of large circular knitting machine
CN212356033U (en) Feeding equipment and glass fiber non-woven fabric production line
CN108238494B (en) Yarn cylinder forming traversing driving device
CN114351331A (en) Weaving frame is used in weaving production with avoid yarn winding to tie a knot
CN107745997B (en) Sliver conveying device unit
CN215163533U (en) High-speed double needle bar warp knitting machine
CN220555732U (en) Automatic feeding device of roving frame
CN219260398U (en) Vibration guide ring of three-dimensional braiding machine
CN213866538U (en) Silk moving and shredding separating device
CN101372785B (en) Reciprocating mechanism of thread separation machine
CN218756450U (en) Thread leading mechanism on embroidery machine
CN110004533A (en) A kind of fly frame automatic cotton silver cutting device
CN210066009U (en) A installation bracket for covering yarn device
CN218706255U (en) Conveying track for processing plates
CN110980577A (en) Active lifting mechanism of twisting machine
CN219238867U (en) Yarn winding machine for spinning
CN219448852U (en) Guide structure with adjustable yarn guide height

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