CN1205021C - Angle control mechanism of powder shaping pressing machine - Google Patents

Angle control mechanism of powder shaping pressing machine Download PDF

Info

Publication number
CN1205021C
CN1205021C CN 02110926 CN02110926A CN1205021C CN 1205021 C CN1205021 C CN 1205021C CN 02110926 CN02110926 CN 02110926 CN 02110926 A CN02110926 A CN 02110926A CN 1205021 C CN1205021 C CN 1205021C
Authority
CN
China
Prior art keywords
cam
collision block
cylinder
hydraulic
floating
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.)
Expired - Fee Related
Application number
CN 02110926
Other languages
Chinese (zh)
Other versions
CN1442287A (en
Inventor
朱锦忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 02110926 priority Critical patent/CN1205021C/en
Publication of CN1442287A publication Critical patent/CN1442287A/en
Application granted granted Critical
Publication of CN1205021C publication Critical patent/CN1205021C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Press Drives And Press Lines (AREA)

Abstract

The present invention relates to an angle control mechanism of a powder shaping press. The present invention is characterized in that the present invention comprises a main crank shaft, a plurality of bumping block cams, a plurality of hydraulic travel range valves and a plurality of hydraulic cylinders, wherein core rod bumping block cams which use the main crank shaft as a shaft center are orderly arranged on the main crank shaft; a floating lower punching head bumping block cam, a floating upper punching head bumping block cam, a floating workbench bumping block cam, a feeding bumping block cam, a demoulding cam and a compression cam are fixedly connected with the main crank shaft; a floating rod tube travel range valve, a floating lower punching head travel range valve, a floating upper punching head travel range valve, a floating workbench travel range valve and a feeding travel range valve are respectively in corresponding arrangement to be matched with the bumping block cams; each hydraulic travel range valve is respectively connected with a corresponding hydraulic floating core tube cylinder, a floating lower punching head cylinder, a floating upper punching head cylinder, a floating workbench cylinder and a feeding cylinder. When the present invention is used, the powder shaping press accomplishes all the mechanical pressing operation, except main motion, presses products with complex shapes, and has the advantages of uniform internal density distribution and good quality of the pressed products.

Description

The angle control mechanism of powder shaping press
Technical field
The present invention relates to a kind of angle control mechanism that is arranged in the powder shaping press,, can make powder shaping press control finish technological requirement in the powder compacting compacting, compacting the part with complicated structure by this angle control mechanism.
Background technology
Present traditional mechanical powder moulding press, because non-angular controlling organization in press, often the technological operation action is few for this press, can not finish many pressing requirements in a pressing cycle, thereby can not adapt to the goods pressing requirements of growing powder compacting complicated shape; The part with complicated structure makes in the stampings inhomogeneous in Density Distribution in pressing process easily, thereby influences the stampings quality.
Summary of the invention
The objective of the invention is shortcoming, and a kind of angle control mechanism that makes powder shaping press finish the powder shaping press of complicated shape compacting is provided at present mechanical powder moulding press existence.
Technical scheme of the present invention is achieved in that a kind of angle control mechanism of powder shaping press, is characterized in, comprises main crankshaft, a plurality of collision block cam, a plurality of hydraulic stroke valve, a plurality of hydraulic cylinder; Described main crankshaft is erected at underbelly, being provided with successively on its axostylus axostyle with the main crankshaft is the core bar collision block cam in axle center, low punch collision block cam, the upper punch collision block cam that floats, floating work bench collision block cam, feeding collision block cam, demoulding cam, compression cam float, above-mentioned cam all passes through main crankshaft, fixedlys connected with main crankshaft; Described hydraulic float core bar stroke valve, the low punch stroke valve that floats, the upper punch stroke valve that floats, floating work bench stroke valve, feeding stroke valve, respectively with the corresponding setting of the above-mentioned collision block cam that is complementary; Each above-mentioned hydraulic stroke valve is connected with the unsteady core bar cylinder of corresponding hydraulic, the low punch cylinder that floats, the upper punch cylinder that floats, floating work bench cylinder, feeding cylinder respectively by oil pipe/tracheae.
The angle control mechanism of above-mentioned powder shaping press wherein, also comprises two adjusters, and described two adjusters are separately positioned on demoulding cam and compression cam top, and these two adjuster tops are connected with swing arm.
The angle control mechanism of above-mentioned powder shaping press, wherein, described collision block cam is connected by trip bolt with main crankshaft; The position tangent with cam is provided with a hydraulic stroke valve, and the collision block cam is provided with the angle of climb, keeps the radian curve of angle, the angle of descent.
The angle control mechanism of above-mentioned powder shaping press, wherein, described collision block cam is provided with and keeps the changeable radian of angle, is provided with hydraulic stroke valve in tangent position, its both sides.
The angle control mechanism of above-mentioned powder shaping press, wherein, the collision block cam drives control also can be made as electric controling assembly, and this electric controling assembly comprises a plurality of spacing electric switches (near switch), electrical control programmable device/industrial computer, a plurality of magnetic valve; The a plurality of collision block cams that are provided with on main crankshaft correspondence respectively are provided with corresponding spacing electric switch, this is organized spacing electric switch and is connected with electrical control programmable device/industrial computer by cable, and its output is connected with the magnetic valve of control corresponding hydraulic cylinder respectively.
The angle control mechanism of above-mentioned powder shaping press, wherein, described collision block cam is connected by key with main crankshaft; Be provided with the changeable radian of maintenance angle, be provided with one or two with the upper limit electric switch in tangent position, its both sides.
The present invention is owing to adopt above technical scheme, in powder shaping press, be provided with angle control mechanism, in main crankshaft, be provided with a plurality of collision block cams and can drive corresponding hydraulic stroke valve respectively, drive corresponding feeding, unsteady upper and lower drift, core bar, workbench hydraulic cylinder by the stroke valve.Thereby can realize that powder shaping press finishes the outer all mechanical compaction actions of main motion; By regulating the angle of each collision block cam, the collision block cam curve perhaps is set distributes, can solve the control of feeding time in pressing process, control and the action request of the time of the upper punch pressurize demoulding; Owing in this angle control mechanism, also can be provided with electric controling assembly, directly hit spacing electric switch by the collision block cam, the signal that sends by spacing electric switch, drive the magnetic valve of control hydraulic cylinder behind input programmable device/industrial computer respectively, realize the compacting automation, and can suppress the goods of complicated shape, make the inherent Density Distribution of stampings even.
Description of drawings
Concrete structure of the present invention is further provided by following examples and accompanying drawing thereof.
Fig. 1 is angle control mechanism embodiment one structural representation of powder shaping press of the present invention.
Fig. 2 is that the collision block cam of the angle control mechanism of powder shaping press of the present invention drives a hydraulic stroke valve arrangement schematic diagram.
Fig. 3 is that the collision block cam of the angle control mechanism of powder shaping press of the present invention drives two hydraulic stroke valve arrangement schematic diagrames.
Fig. 4 is angle control mechanism embodiment one theory diagram of powder shaping press of the present invention.
Fig. 5 is angle control mechanism embodiment two structural representations of powder shaping press of the present invention.
Fig. 6 is that the A-A of Fig. 5 is to profile.
Fig. 7 is that the collision block cam of the angle control mechanism of powder shaping press of the present invention drives two spacing electric switch structural representations.
Fig. 8 is the angle control mechanism embodiment two electric control theory block diagrams of powder shaping press of the present invention.
Fig. 9 is angle control mechanism embodiment three structural representations of powder shaping press of the present invention.
The specific embodiment
See also Fig. 1, Fig. 4, present embodiment one is to be provided with a plurality of collision block cams directly to drive hydraulic stroke valve on main crankshaft, drives corresponding hydraulic cylinder respectively by each stroke valve.
The angle control mechanism of powder shaping press comprises main crankshaft 13, a plurality of collision block cam, a plurality of hydraulic pressure (or air pressure) stroke valve, a plurality of hydraulic cylinder; Main crankshaft 13 is erected at fuselage 36 bottoms, be provided with successively on its axostylus axostyle with main crankshaft 13 is the core bar collision block cam 1 in axle center, low punch collision block cam 2, the upper punch collision block cam 4 that floats, floating work bench collision block cam 7, feeding collision block cam 10, demoulding cam 11, compression cam 12 float, above-mentioned cam all passes through main crankshaft 13, fixedlys connected with main crankshaft 13 by holding screw 23; Float core bar stroke valve 6, the low punch stroke valve 3 that floats, the upper punch stroke valve 5 that floats, floating work bench stroke valve 8, feeding stroke valve 9, corresponding with the above-mentioned collision block cam that is complementary respectively tangent position of hydraulic is provided with; Each above-mentioned hydraulic stroke valve is connected with the unsteady core bar cylinder 42 of corresponding hydraulic, the low punch cylinder 20 that floats, the upper punch cylinder 14 that floats, floating work bench cylinder 32, feeding cylinder 29 respectively by oil pipe/tracheae 26.
Two adjusters 21 are separately positioned on demoulding cam 11 and compression cam 12 tops, and these two adjuster 21 tops are connected with swing arm 35.
Unsteady upper punch cylinder 14 bottoms connect upper punch 15, and upper punch 15 belows are provided with workbench 17, are provided with delivery sheet 28 on the top of workbench 17, and delivery sheet 28 1 sides are connected with feeding cylinder 29, are provided with feed ram 30 in the feeding cylinder 29.Die 16 is embedded in workbench 17, upper punch 15 and die 16 corresponding settings; In die 16, be embedded with the low punch 18 that floats, in unsteady low punch 18, be provided with fixedly low punch 19, unsteady low punch 18 bottoms are provided with the low punch cylinder 20 that floats, in unsteady low punch cylinder 20, be provided with the low punch piston 22 that floats, unsteady low punch cylinder 20 bottoms are provided with stationary work-table 24, stationary work-table 24 belows are provided with the core bar cylinder 42 that floats, core bar 27 is located at core bar cylinder 42 tops of floating, unsteady core bar cylinder 42 bottoms connect lower pulling plate 31, and the both sides, fuselage 36 bottom below lower pulling plate 31 are respectively equipped with floating work bench hydraulic cylinder 32.Both sides between workbench 17 and lower pulling plate 31 are provided with two guide pillars 25.
Please cooperate referring to Fig. 2, collision block cam 50 is connected by holding screw 23 with main crankshaft 13; Collision block cam 50 is provided with the angle of climb, keeps the angle, the angle of descent, and the position tangent with cam 50 is provided with a hydraulic stroke valve 51.According to the requirement of pressing process by regulating each collision block cam 50 angle or collision block cam mid percent curves be set distribute controlled actuation time and reliable in action of neutralizing each work step in the system process.
Please cooperate referring to Fig. 3, collision block cam 52 is connected with main crankshaft 13 by key 34, and collision block cam 52 is provided with and keeps the big radian of angle, is provided with two hydraulic stroke valves 53,54 in tangent position, its both sides.Can two stroke valves of first rear drive 53,54 during collision block cam 52 rotates.Can by two hydraulic valves of collision block cam elder generation's rear drive, thereby drive hydraulic cylinder, the work step of being correlated with operation according to the needs of compacting work step.
Please cooperate referring to Fig. 4, angle control mechanism comprises main crankshaft, a plurality of collision block cam, a plurality of hydraulic stroke valve, a plurality of hydraulic cylinder; To be provided with a plurality of collision block cams that main crankshaft is the axle center, a plurality of collision block cams correspondence respectively are provided with hydraulic stroke valve in main crankshaft 13, and each stroke valve is connected with corresponding hydraulic cylinder by oil pipe/tracheae 26.Power source drive main crankshaft rotation when powder shaping press, the collision block cam that is located on the main crankshaft can drive corresponding hydraulic stroke valve respectively, drive corresponding upper punch pressurize cylinder 58, dash float cylinder 59, feeding cylinder 60, die rise cylinder 61, two-way pressurized cylinder 62, stripping tank 63 down by the stroke valve, thereby can realize that powder shaping press finishes the outer all mechanical compaction actions of main motion; By regulating the angle of each collision block cam, the collision block cam curve perhaps is set distributes, can solve the control of feeding time in pressing process, control and the action request of the time of the upper punch pressurize demoulding.
See also Fig. 5, Fig. 6, it is present embodiment two, be with the difference of embodiment one, on main crankshaft 13, be provided with a plurality of collision block cams and directly drive spacing electric switch 43, the signal that spacing electric switch 43 sends passes through the magnetic valve 45 that industrial computer 44 drives corresponding control hydraulic cylinder respectively, by magnetic valve 45 control hydraulic cylinders.
Please cooperate earlier referring to Fig. 6 and Fig. 8, the angle control mechanism of powder shaping press comprises main crankshaft 13, a plurality of collision block cam, a plurality of spacing electric switch 43, electrical control programmable device/industrial computer 44, a plurality of magnetic valves 45, a plurality of hydraulic cylinder.
Please again referring to Fig. 5, Fig. 6, main crankshaft 13 is erected at fuselage 36 bottoms, be provided with successively on its axostylus axostyle with main crankshaft 13 is the core bar collision block cam 1 in axle center, low punch collision block cam 2, the upper punch collision block cam 4 that floats, floating work bench collision block cam 7, feeding collision block cam 10, demoulding cam 11, compression cam 12 float, above-mentioned cam all passes through main crankshaft 13, fixedlys connected with main crankshaft 13 by holding screw; The unsteady spacing electric switch 431 of core bar, the spacing electric switch 433 of low punch that floats, the spacing electric switch 435 of upper punch that floats, the spacing electric switch 434 of floating work bench, the spacing electric switch 432 of feeding, corresponding with the above-mentioned collision block cam that is complementary respectively tangent position are provided with; This is organized spacing electric switch 43 and is connected with electrical control programmable device 44 by cable, and its output is connected with the magnetic valve 451 to 455 of the unsteady core bar cylinder 42 of control corresponding hydraulic, the low punch cylinder 20 that floats, float upper punch cylinder 14, floating work bench cylinder 32, feeding cylinder 29 respectively.Two adjusters 21 are separately positioned on demoulding cam 11 and compression cam 12 tops, and these two adjuster 21 tops are connected with swing arm 35.
Be provided with cylinder pressure 41 on powder shaping press top, last cylinder pressure 41 belows are provided with moved cross beam 40, and the upper punch cylinder 14 that floats is arranged in the moved cross beam 40.Unsteady upper punch cylinder 14 bottoms connect upper punch 15, and upper punch 15 belows are provided with workbench 17, are provided with delivery sheet 28 on the top of workbench 17, and delivery sheet 28 1 sides are connected with feeding cylinder 29, are provided with feed ram 30 in the feeding cylinder 29.Die 16 is embedded in workbench 17, upper punch 15 and die 16 corresponding settings; In die 16, be embedded with the low punch 18 that floats, in unsteady low punch 18, be provided with fixedly low punch 19, unsteady low punch 18 bottoms are provided with the low punch cylinder 20 that floats, in unsteady low punch cylinder 20, be provided with the low punch piston 22 that floats, unsteady low punch cylinder 20 bottoms are provided with stationary work-table 24, steady job 24 belows are provided with the core bar cylinder 42 that floats, core bar 27 is located at core bar cylinder 42 tops of floating, core bar cylinder 42 bottoms connection lower pulling plate 31 floats, lower pulling plate 31 bottoms are connected with lower link 33, and the both sides, fuselage 36 bottom below lower pulling plate 31 are respectively equipped with floating work bench hydraulic cylinder 32.Both sides between workbench 17 and lower pulling plate 31 are provided with two guide pillars 25.The lower link 33 bottoms charging nut 38 that is spirally connected is provided with in fuselage 36 bottoms down that 37, two main ties 39 of moved cross beam pass through moved cross beam 40, fuselage 36, time moved cross beam 37, is arranged between cylinder pressure 41 and fuselage 36 bottoms.
Please cooperate referring to Fig. 7, collision block cam 55 is connected with main crankshaft 13 by holding screw 23, on collision block cam 55, be provided with the little radian of maintenance angle, be provided with two spacing electric switches 56,57, can realize a plurality of work step continued operations of electric automatic control in tangent position, its both sides.
Please cooperate referring to Fig. 8, electric controling assembly, this electric controling assembly comprise a plurality of spacing electric switches 43, electrical control programmable device/industrial computer 44, a plurality of magnetic valves 45; Respectively corresponding each the spacing electric switch 43 of a plurality of collision block cams that on main crankshaft 13, are provided with, this is organized spacing electric switch 43 and is connected with electrical control programmable device 44 by cable, and its output is connected with the magnetic valve 45 of control corresponding hydraulic cylinder respectively.When the powder press power source drives main crankshaft 13 motions, the collision block cam that is located on the main crankshaft 13 drives (hitting logical) corresponding spacing electric switch 43 respectively, send signal and import automatically controlled programmable device 44, carry out information processing, automatically controlled programmable device 44 output signals drive the magnetic valve 45 of corresponding control hydraulic cylinder, piston and connecting rod activity in the magnetic valve 45 primer fluid cylinder pressures, by this angle control mechanism, can realize controlling automatically multistation and finish all powder moulding compacting action except that main motion in order.
See also Fig. 9, present embodiment three is angle control mechanisms that a collision block cam drives a stroke valve.This mechanism comprises that main crankshaft 13 is erected at fuselage 36 bottoms, its axostylus axostyle is provided with two-way pressurization collision block cam 46 and cam 47, above-mentioned cam passes through main crankshaft 13 main crankshafts 13 and is fastenedly connected, the below correspondence of two-way pressurization collision block cam 46 is provided with bidirectional force hydraulic fluid valve 48, and this hydraulic valve 48 links to each other with two-way pressurized cylinder 49 by oil pipe; Correspondence is provided with adjuster 21 on the top of cam 47, and adjuster 21 tops are connected with swing arm 35, and this embodiment makes powder-type become press to strengthen goods and two-way compacting.
Structural design novelty of the present invention, reasonable, by angle control mechanism, the realization powder shaping press is finished the outer all mechanical compaction actions of main motion; Realize the compacting automation, and can suppress the goods of complicated shape, make the inherent Density Distribution of stampings even, improve the stampings quality.

Claims (6)

1, a kind of angle control mechanism of powder shaping press is characterized in that: comprise main crankshaft, a plurality of collision block cam, a plurality of hydraulic stroke valve, a plurality of hydraulic cylinder; Described main crankshaft is erected at underbelly, being provided with successively on its axostylus axostyle with the main crankshaft is the core bar collision block cam in axle center, low punch collision block cam, the upper punch collision block cam that floats, floating work bench collision block cam, feeding collision block cam, demoulding cam, compression cam float, above-mentioned cam all passes through main crankshaft, fixedlys connected with main crankshaft; Described hydraulic float core bar stroke valve, the low punch stroke valve that floats, the upper punch stroke valve that floats, floating work bench stroke valve, feeding stroke valve, respectively with the corresponding setting of the above-mentioned collision block cam that is complementary; Each above-mentioned hydraulic stroke valve is connected with the unsteady core bar cylinder of corresponding hydraulic, the low punch cylinder that floats, the upper punch cylinder that floats, floating work bench cylinder, feeding cylinder respectively by oil pipe/tracheae.
2, the angle control mechanism of powder shaping press according to claim 1 is characterized in that: also comprise two adjusters, described two adjusters are separately positioned on demoulding cam and compression cam top, and these two adjuster tops are connected with swing arm.
3, the angle control mechanism of powder shaping press according to claim 1 is characterized in that: described collision block cam is connected by trip bolt with main crankshaft; The position tangent with cam is provided with a hydraulic stroke valve, and the collision block cam is provided with the angle of climb, keeps the radian curve of angle, the angle of descent.
4, the angle control mechanism of powder shaping press according to claim 1 is characterized in that: described collision block cam is provided with and keeps the changeable radian of angle, is provided with hydraulic stroke valve in tangent position, its both sides.
5, the angle control mechanism of powder shaping press according to claim 1, it is characterized in that: the collision block cam drives control also can be made as electric controling assembly, and this electric controling assembly comprises a plurality of spacing electric switches (near switch), electrical control programmable device/industrial computer, a plurality of magnetic valve; The a plurality of collision block cams that are provided with on main crankshaft correspondence respectively are provided with corresponding spacing electric switch, this is organized spacing electric switch and is connected with electrical control programmable device/industrial computer by cable, and its output is connected with the magnetic valve of control corresponding hydraulic cylinder respectively.
6, according to the angle control mechanism of claim 1 and the described powder shaping press of claim 5, it is characterized in that: described collision block cam is connected by key with main crankshaft; Be provided with the changeable radian of maintenance angle, be provided with one or two with the upper limit electric switch in tangent position, its both sides.
CN 02110926 2002-03-01 2002-03-01 Angle control mechanism of powder shaping pressing machine Expired - Fee Related CN1205021C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02110926 CN1205021C (en) 2002-03-01 2002-03-01 Angle control mechanism of powder shaping pressing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 02110926 CN1205021C (en) 2002-03-01 2002-03-01 Angle control mechanism of powder shaping pressing machine

Publications (2)

Publication Number Publication Date
CN1442287A CN1442287A (en) 2003-09-17
CN1205021C true CN1205021C (en) 2005-06-08

Family

ID=27793293

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 02110926 Expired - Fee Related CN1205021C (en) 2002-03-01 2002-03-01 Angle control mechanism of powder shaping pressing machine

Country Status (1)

Country Link
CN (1) CN1205021C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100473521C (en) * 2006-03-31 2009-04-01 Tdk株式会社 Molding apparatus

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100449439C (en) * 2005-12-19 2009-01-07 许阳 Stock shoe detector and detection method thereof
CN101812995B (en) * 2010-04-14 2012-01-11 北京中煤矿山工程有限公司 Cam control system
CN110788748A (en) * 2019-11-18 2020-02-14 珠海格力智能装备有限公司 Blanking mechanism and grinding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100473521C (en) * 2006-03-31 2009-04-01 Tdk株式会社 Molding apparatus

Also Published As

Publication number Publication date
CN1442287A (en) 2003-09-17

Similar Documents

Publication Publication Date Title
CN2772808Y (en) Hydraulic press of powdery product
CN1218801C (en) Die holder for forming multilayer templets in powder compacting
CN1219895A (en) Precision blanking press with knife-edged ring and counter cylinders
CN102806293A (en) Multidirectional die-forging press machine
CN103433342A (en) Bidirectional edge folding mechanism for sheet material
CN1054557C (en) Device for producing molds
CN1205021C (en) Angle control mechanism of powder shaping pressing machine
CN2541182Y (en) Angle control mechanism of powder shaping press
CN101073328A (en) Rotary cake forming device
CN2863311Y (en) Single mould casting machine for aluminium piston
CN101530875A (en) Automatic charging and demoulding device of volumetric automatic cold press
CN1089675C (en) Pressing mechanism of powder forming press
CN202079145U (en) Numerical control punching machine
CN2637024Y (en) Digital controlled hydraulic double acting stretching machine
CN2714232Y (en) Numerically controlled hydraulic extrusion stretcher
CN203494966U (en) Bidirectional sheet edge bending mechanism
CN200967285Y (en) Head beam device for middle-small-sized crank block type full-automatic dry powder press
CN2296812Y (en) Quick-closed four-column press
CN2718638Y (en) Touch control apparatus for digital control hydraulic stretching and extruding machine
CN2460239Y (en) Non-mould multi-point forming device for plate
CN2628175Y (en) Full-automatic powder metallurgy formation punching machine
CN86108609A (en) Powder shaping press
CN2818118Y (en) Pressurizer of mold press
CN1628961A (en) Top pressure pressurizing mechanism for powder-forming press
CN2902511Y (en) Aluminium alloy blanking machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee