CN108422697B - A kind of compression bar adherency skin automatic cleaning apparatus for vertical metal hot press - Google Patents

A kind of compression bar adherency skin automatic cleaning apparatus for vertical metal hot press Download PDF

Info

Publication number
CN108422697B
CN108422697B CN201810145771.8A CN201810145771A CN108422697B CN 108422697 B CN108422697 B CN 108422697B CN 201810145771 A CN201810145771 A CN 201810145771A CN 108422697 B CN108422697 B CN 108422697B
Authority
CN
China
Prior art keywords
compression bar
hot press
vertical
skin
cutter head
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
CN201810145771.8A
Other languages
Chinese (zh)
Other versions
CN108422697A (en
Inventor
冯毅雄
宋俊杰
高一聪
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.)
Zhejiang University ZJU
Original Assignee
Zhejiang University ZJU
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 Zhejiang University ZJU filed Critical Zhejiang University ZJU
Priority to CN201810145771.8A priority Critical patent/CN108422697B/en
Publication of CN108422697A publication Critical patent/CN108422697A/en
Application granted granted Critical
Publication of CN108422697B publication Critical patent/CN108422697B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0082Dust eliminating means; Mould or press ram cleaning means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/16Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
    • B08B1/165Scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/20Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02Stamping using rigid devices or tools
    • B21D22/022Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/08Accessory tools, e.g. knives; Mountings therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing Of Meat And Fish (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The invention discloses a kind of compression bars for vertical metal hot press to adhere to skin automatic cleaning apparatus.It is equipped with barrel below the compression bar of vertical hot press, is disposed with multiple adherency skin cleaning mechanisms around the compression bar of vertical hot press, multiple adherency skin cleaning mechanisms uniformly at intervals and are connected to compression bar surface along compression bar circumference;Compression bar rises under the drive of vertical hot press, is removed by adherency skin of the adherency skin cleaning mechanism to compression bar surface, and fall in barrel.The automatic cleaning to adherency skin is completed in compression bar rise to the present invention in the process after the hot pressing is completed, is suitable for each metalloid Vertical Heat press, and the processing is simple, at low cost, is easily assembled and is dismantled.

Description

A kind of compression bar adherency skin automatic cleaning apparatus for vertical metal hot press
Technical field
The invention belongs to metal heat pressing molding equipment fields, in particular to a kind of compression bar for vertical metal hot press Adhere to skin automatic cleaning apparatus.
Background technique
Metal heat pressing processing is that a kind of important method of pressure processing is carried out using Principles of Metal Forming, general to flow Journey is as follows: first ingot raw material is heated to certain temperature in heating furnace, then the ingot heated is put among barrel, Pressure ram, which is down to, to be started to squeeze in barrel, needs to heat barrel to guarantee ingot temperature in hot pressing, to guarantee Hot-forming part quality after completing hot pressing, takes out molded part.
Since ingot temperature is higher in hot pressing, and there are gap between pressure ram and barrel, part high-temperature metal can be suitable Gap squeezes out and is adhered to pressure ram side wall, completes hot pressing in compression bar and forms adherency skin to the cold after extracting out in barrel.Currently, viscous The cleaning of attached skin is mainly by being accomplished manually, and for compression bar after extracting out in barrel, worker cuts stripping using special cutter and pliers Except adherency skin, efficiency is lower, and work quality cannot be guaranteed, and there are waste of human resource phenomenons.
Summary of the invention
For the present invention for presently, there are deficiency, the compression bar adherency skin for providing a kind of vertical metal hot press clears up dress automatically It sets, the automatic cleaning to adherency skin is completed during compression bar gos up after the hot pressing is completed, is suitable for each metalloid Vertical Heat press, It is at low cost with the processing is simple, the advantages that being easily assembled with disassembly.
The technical solution adopted by the present invention is that:
The adherency skin automatic cleaning apparatus need to be equipped with material on vertical hot press below the compression bar of vertical hot press Tin, multiple adherency skin cleaning mechanisms are disposed with around the compression bar of vertical hot press, multiple adherency skin cleaning mechanisms are along compression bar circle Week is circumferentially-spaced uniformly distributed and is connected to compression bar surface;Compression bar rises under the drive of vertical hot press, by adherency skin cleaning mechanism pair The adherency skin on compression bar surface is removed, and is fallen on around barrel.
The adherency skin cleaning mechanism includes support assembly and cutting tool assembly: the support assembly include pole pedestal, Horizontal strut, reinforces strut at vertical pole, and horizontal strut and vertical pole are fixedly connected to form L shape, the horizontal cloth of horizontal strut It sets and wherein one end is connected to vertical pole top, vertical pole bottom end is fixedly installed in pole pedestal;The cutting tool assembly packet Include cutter head, knife rest, spring, spring support, guide blot, installation bolt, nut, bolt, bolt and nut, guide rail, sliding block;Guide rail It is fixed on horizontal strut top surface with spring support, sliding block forms slide rail pair on guide rail, and knife rest is fixed on sliding block, cutter head It is assemblied on knife rest by installing bolt;The root of guide blot is fixed on spring support by nut level, spring suit In outside guide blot, and the both ends of spring are respectively fixedly connected with knife rest and spring support.
The knife rest is the L shaped plate connected and composed by level board and vertical plate, and the level board of L shaped plate is fixed on sliding block On, installation bolt is connect after passing through the vertical plate in knife rest with cutter head root.
The cutting edge of the cutter head is by being arranged in the two of cutter head lower surface and side surface symmetrical inner sunken face phases It hands over and is formed, the outer knife face of cutter head is an evagination arc-shaped curved surface, and outer knife face and two inner sunken faces are crossed to form point of a knife, and point of a knife is in beak Shape is downward.
The guide blot length is the 2/3 of spring natural length, to reserve spring-compressed distance, guarantees spring along just Chang Fangxiang compression.
The root of the cutter head is equipped with knife handle, and knife handle end face is provided with threaded hole, threaded hole and installation bolt assembly connection.
The compression bar bottom is equipped with flange, makees rounded corner between flange and compression bar cylinder, makes cutter head point of a knife along rounded corner It moves and leaves compression bar surface.
The guide blot and installation bolt is coaxially arranged.
The beneficial effects of the present invention are:
Apparatus of the present invention assembling is simple, easy for assemble or unload, compares previous manual cleaning adherency skin, reduces human resources Waste, ensure that adherency skin cleaning quality and improve cleaning efficiency, reduce metal heat pressing cost, have the processing is simple, It is at low cost, the advantages that being easily assembled with disassembly.
Detailed description of the invention
Fig. 1 is the isometric view of cleaning plant of the present invention.
Fig. 2 is the isometric view of cutting tool assembly in cleaning plant of the present invention.
Fig. 3 is the isometric view of support assembly in cleaning plant of the present invention.
Fig. 4 A, 4B, 4C, 4D are respectively front view, left view, top view and the isometric view of cutter head.
Fig. 5 A, top view, front view and the partial enlarged view that 5B, 5C are compression bar.
Fig. 6 A, 6B, 6C are respectively the process schematic and its part in the vertical hot press supernatant reason compression bar adherency skin of metal Enlarged drawing.
In figure, 1- cutter head, 2- knife rest, 3- spring, 4- spring support, 5- guide blot, 6- installation bolt, 7- nut, 8- Bolt, 9- bolt and nut, 10- guide rail, 11- sliding block, 12- pole pedestal, 13- horizontal strut, 14- vertical pole, 15- reinforce branch Bar, 16- barrel, 17- compression bar, 18- adhere to skin.
Specific embodiment
The contents of the present invention and its specific embodiment are further illustrated with reference to the accompanying drawing.
Adherency skin automatic cleaning apparatus of the invention need to be on vertical hot press, as shown in Figure 1, the pressure of vertical hot press The barrel 16 for adhering to skin collection is equipped with below bar 17, there are four adherency skin is clear for arrangement around the compression bar 17 of vertical hot press Mechanism is managed, four adherency skin cleaning mechanisms uniformly at intervals and are connected to 17 surface of compression bar along 17 circumference of compression bar;Compression bar 17 exists Vertical hot press drives lower rising, is removed by adherency skin of the adherency skin cleaning mechanism to 17 surface of compression bar, and fall on barrel Around 16.It is oriented to by the circular cone inclined-plane at 16 top of barrel, so that adherency skin is slipped to along the circular cone inclined-plane at 16 top of barrel Around.
Adhering to skin cleaning mechanism includes support assembly and cutting tool assembly.
As shown in figure 3, support assembly includes pole pedestal 12, horizontal strut 13, vertical pole 14, reinforces strut 15, it is horizontal Strut 13 and vertical pole 14 are fixedly connected to form L shape, and horizontal strut 13 is horizontally disposed and wherein one end is connected to vertical pole 14 tops form stable three-legged structure with the reinforcing connection of strut 15 between horizontal strut 13 and the middle part of vertical pole 14, 14 bottom end of vertical pole is fixedly installed in pole pedestal 12.
As shown in Fig. 2, cutting tool assembly includes cutter head 1, knife rest 2, spring 3, spring support 4, guide blot 5, installation bolt 6, nut 7, bolt 8, bolt and nut 9, guide rail 10, sliding block 11;Guide rail 10 and spring support 4 are fixed on by bolt and nut 9 13 top surface of horizontal strut, sliding block 11 form slide rail pair on guide rail 10, and knife rest 2 is fixed on sliding block 11 by bolt and nut 9 On, cutter head 1 is assemblied on knife rest 2 by installing bolt 6;Spring support is fixed on by 7 level of nut in the root of guide blot 5 On 4, spring 3 is set in outside guide blot 5, and the both ends of spring 3 are respectively fixedly connected with knife rest 2 and spring support 4.
As shown in Fig. 2, knife rest 2 is the L shaped plate connected and composed by level board and vertical plate, the level board of L shaped plate is fixed on On sliding block 11, installation bolt 6 is connect after passing through the vertical plate in knife rest 2 with 1 root of cutter head, so that cutter head 1 is fixed on knife rest 2 On.
In specific implementation, device includes four adherency skin cleaning mechanisms, opposite 17 central axis of compression bar circumference array in 90 ° point Cloth assembly, carrier base 12 is realized by bolt 8 ensures that cutting tool assembly does not occur with barrel 16 with the assembly of hot-press bed, when assembly Interference, while guaranteeing that cutter head 1 can contact under the effect of spring 3 with 17 surface of compression bar.
As shown in figs. 4 b and 4 c, the cutting edge of cutter head 1 is symmetrical by being arranged in two of 1 lower surface of cutter head and side surface Inner sunken face 101,102 be crossed to form, when cutting adherency skin, cutting edge plays the role of scratching adherency skin, is drawn The adherency skin opened is wound off along two side knife surface of cutting edge is turned-out, convenient for subsequent disengagings cleaning.As shown in Fig. 4 A and Fig. 4 D, cutter head 1 Outer knife face 103 be an evagination arc-shaped curved surface, outer knife face 103 and two inner sunken faces 101,102 are crossed to form point of a knife 104, knife Point 104 is downward in beak, passes through cutter head 1 when moving upwards convenient for compression bar 17.As shown in Fig. 4 B- Fig. 4 D, the root of cutter head 1 is equipped with Knife handle 105,105 end face of knife handle are provided with threaded hole, threaded hole and installation 6 assembly connection of bolt.
As shown in Fig. 2, guide blot 5 and installation bolt 6 are coaxially arranged, convenient for the assembly positioning and axial movement of spring 3. Also, 5 length of guide blot is the 2/3 of 3 natural length of spring, to reserve spring-compressed distance, guarantees spring 3 along normal direction Compression.
As shown in Fig. 5 B- Fig. 5 C, 17 bottom of compression bar is equipped with flange, and flange is located at cutter head and squeezes at 17 basal surface position of compression bar, Make rounded corner between 17 cylinder of flange and compression bar, keep 1 point of a knife of cutter head mobile relative to compression bar 17 along rounded corner and leaves 17 table of compression bar Face guarantees that 17 hot pressing effect of compression bar is not influenced by cleaning plant by cutter head 1 when moving convenient for compression bar 17.
As shown in Fig. 6 A, 6B, 6C, the specific implementation course of work of the invention is as follows:
The application scenarios for being the present invention on vertical hot press explanation, adheres in skin scale removal process, compression bar 17 is in Vertical Heat Press drives lower rise, cutter head 1 to be upwards close to compression bar 17 under the pressure of spring 3, and opposite under the position-limiting action of sliding block 11 Compression bar 17 moves downward, as shown in Figure 6A, the adherency skin 18 of 17 sidewall surfaces of cutting-up compression bar, and and keep it outside along 1 curved surface of cutter head Turnup, as shown in Figure 6B.
When cutting-up to 17 bottom end of compression bar, cutter head 1 is slightly squeezed by fillet on compression bar 17 to 3 compression direction of spring, 17 compressive plane of compression bar continues up rise by cutter head 1, and adherency skin 18 is cut completely through, and as shown in Figure 6 C, is divided into the curling of 4 parts Piece, and fall off from compression bar 17.
Above-mentioned is only that the compression bar adherency skin automatic cleaning apparatus for vertical metal hot press a kind of to the present invention is most preferably real The detailed description for applying example is not limitation of the invention.Those skilled in the art should be appreciated that the present invention also Many embodiments, all improvement further on the basis of the present invention or equivalent technical solution, such as improve 1 curved form of cutter head Shape, cutting tool assembly circumference array number etc., each fall within protection scope of the present invention.

Claims (7)

1. a kind of compression bar for vertical metal hot press adheres to skin automatic cleaning apparatus, it is characterized in that: the adherency skin is automatic Cleaning plant need to be equipped with barrel (16) below the compression bar (17) of vertical hot press on vertical hot press, vertical hot press Multiple adherency skin cleaning mechanisms are disposed with around compression bar (17), multiple adherency skin cleaning mechanisms are between compression bar (17) circumference Every uniformly distributed and be connected to compression bar (17) surface;Compression bar (17) rises under the drive of vertical hot press, by adherency skin cleaning mechanism pair The adherency skin on compression bar (17) surface is removed, and is fallen on around barrel (16);
The adherency skin cleaning mechanism includes support assembly and cutting tool assembly: the support assembly include pole pedestal (12), Horizontal strut (13), reinforces strut (15) at vertical pole (14), and horizontal strut (13) and vertical pole (14) are fixedly connected to form L shape, horizontal strut (13) is horizontally disposed and wherein one end is connected to vertical pole (14) top, and vertical pole (14) bottom end is fixed It is installed on pole pedestal (12);The cutting tool assembly includes cutter head (1), knife rest (2), spring (3), spring support (4), guiding spiral shell Bolt (5), installation bolt (6), nut (7), bolt (8), bolt and nut (9), guide rail (10), sliding block (11);Guide rail (10) and bullet Spring bracket (4) is fixed on horizontal strut (13) top surface, and sliding block (11) forms slide rail pair on guide rail (10), and knife rest (2) is solid It is scheduled on sliding block (11), cutter head (1) is assemblied on knife rest (2) by installing bolt (6);The root of guide blot (5) passes through spiral shell Female (7) level is fixed on spring support (4), and spring (3) is set in guide blot (5) outside, and the both ends difference of spring (3) It is fixedly attached to knife rest (2) and spring support (4).
2. a kind of compression bar for vertical metal hot press according to claim 1 adheres to skin automatic cleaning apparatus, special Sign is: the knife rest (2) is the L shaped plate connected and composed by level board and vertical plate, and the level board of L shaped plate is fixed on sliding block (11) on, installation bolt (6) is connect after passing through the vertical plate in knife rest (2) with cutter head (1) root.
3. a kind of compression bar for vertical metal hot press according to claim 1 adheres to skin automatic cleaning apparatus, special Sign is: the cutting edge of the cutter head (1) is two symmetrical inner sunken faces by being arranged in cutter head (1) lower surface and side surface (101,102) are crossed to form, and the outer knife face (103) of cutter head (1) is an evagination arc-shaped curved surface, outer knife face (103) and two indents Curved surface (101,102) is crossed to form point of a knife (104), and point of a knife (104) is downward in beak.
4. a kind of compression bar for vertical metal hot press according to claim 1 adheres to skin automatic cleaning apparatus, special Sign is: guide blot (5) length is the 2/3 of spring (3) natural length, to reserve spring-compressed distance, guarantees spring (3) it is compressed along normal direction.
5. a kind of compression bar for vertical metal hot press according to claim 1 adheres to skin automatic cleaning apparatus, special Sign is: the root of the cutter head (1) is equipped with knife handle (105), and knife handle (105) end face is provided with threaded hole, threaded hole and installation spiral shell Bolt (6) assembly connection.
6. a kind of compression bar for vertical metal hot press according to claim 1 adheres to skin automatic cleaning apparatus, special Sign is: compression bar (17) bottom is equipped with flange, makees rounded corner between flange and compression bar (17) cylinder, makes cutter head (1) point of a knife Along rounded corner movement and leave compression bar (17) surface.
7. a kind of compression bar for vertical metal hot press according to claim 1 adheres to skin automatic cleaning apparatus, special Sign is: the guide blot (5) and installation bolt (6) is coaxially arranged.
CN201810145771.8A 2018-02-12 2018-02-12 A kind of compression bar adherency skin automatic cleaning apparatus for vertical metal hot press Active CN108422697B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810145771.8A CN108422697B (en) 2018-02-12 2018-02-12 A kind of compression bar adherency skin automatic cleaning apparatus for vertical metal hot press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810145771.8A CN108422697B (en) 2018-02-12 2018-02-12 A kind of compression bar adherency skin automatic cleaning apparatus for vertical metal hot press

Publications (2)

Publication Number Publication Date
CN108422697A CN108422697A (en) 2018-08-21
CN108422697B true CN108422697B (en) 2019-07-02

Family

ID=63157023

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810145771.8A Active CN108422697B (en) 2018-02-12 2018-02-12 A kind of compression bar adherency skin automatic cleaning apparatus for vertical metal hot press

Country Status (1)

Country Link
CN (1) CN108422697B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112715620B (en) * 2020-12-25 2022-10-28 山东华食汇食品有限公司 Meat ball forming machine for processing fried meat balls
CN113648695A (en) * 2021-08-11 2021-11-16 连巧敏 Wastewater treatment device for wine making enterprise

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103350300A (en) * 2013-07-01 2013-10-16 上海气焊机厂有限公司 Tool mechanism for clamping frame workpiece of robot workstation
CN203992672U (en) * 2014-07-02 2014-12-10 太仓贝斯特机械设备有限公司 The cold peeling cutter of alloy bar
CN205289952U (en) * 2015-06-15 2016-06-08 佛山市特高珠江工业电炉有限公司 Hot aluminium bar peeler
CN107598293A (en) * 2017-09-26 2018-01-19 太仓贝斯特机械设备有限公司 A kind of peeling equipment from separation
CN108326068A (en) * 2018-01-09 2018-07-27 浙江大学 A kind of material skin for the vertical hot press of non-ferrous metal automatically removes device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61259831A (en) * 1985-05-13 1986-11-18 Showa Alum Corp Extrusion machining method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103350300A (en) * 2013-07-01 2013-10-16 上海气焊机厂有限公司 Tool mechanism for clamping frame workpiece of robot workstation
CN203992672U (en) * 2014-07-02 2014-12-10 太仓贝斯特机械设备有限公司 The cold peeling cutter of alloy bar
CN205289952U (en) * 2015-06-15 2016-06-08 佛山市特高珠江工业电炉有限公司 Hot aluminium bar peeler
CN107598293A (en) * 2017-09-26 2018-01-19 太仓贝斯特机械设备有限公司 A kind of peeling equipment from separation
CN108326068A (en) * 2018-01-09 2018-07-27 浙江大学 A kind of material skin for the vertical hot press of non-ferrous metal automatically removes device

Also Published As

Publication number Publication date
CN108422697A (en) 2018-08-21

Similar Documents

Publication Publication Date Title
CN108422697B (en) A kind of compression bar adherency skin automatic cleaning apparatus for vertical metal hot press
CN104722651A (en) Stamping die with cooling device
CN210450463U (en) Plate shearing machine is used in expansion joint production
CN209022124U (en) A kind of semiconductor bar shearing molding die of quick-replaceable cutter
CN102697398A (en) Manufacturing technology of glass pot cover
CN208663890U (en) A kind of cutter device for filter core production
CN210231148U (en) Pot body stamping mechanism
CN108326068B (en) A kind of material skin for the vertical hot press of non-ferrous metal automatically removes device
CN204597210U (en) A kind of wire stripper
CN203678982U (en) Structured packing concave-convex forming equipment
CN205042963U (en) Automatic device of protruding bud of punching thermos cup filter screen
CN208800648U (en) For making the continuous cold-punching mould of steel shovel
CN204295718U (en) Vegetable cutters tool frame
CN211191638U (en) Be used for fashioned mould of stainless steel
CN201543708U (en) Simple hardware fitting processing equipment
CN208508402U (en) A kind of Multifunctional wire stripper
CN207626444U (en) Cake ingot stripper
CN208303631U (en) A kind of disposable cutting bending riveted progressive die
CN203751070U (en) Blank holding device for support screen of air filter
CN208662244U (en) A kind of mould punching machine easy to use
CN206153356U (en) Punching machine of area cutting function
CN208600481U (en) A kind of aluminium section die
CN219901043U (en) Trimming device for stamping die
KR200447106Y1 (en) Bending Mold for Vacuum Metalizing Coil
CN210477777U (en) Hand clamping preventing device of bottle blowing machine for rapeseed oil production

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