CN115771193A - Adjustable separation device for ceramic ferrule blank - Google Patents

Adjustable separation device for ceramic ferrule blank Download PDF

Info

Publication number
CN115771193A
CN115771193A CN202211699275.XA CN202211699275A CN115771193A CN 115771193 A CN115771193 A CN 115771193A CN 202211699275 A CN202211699275 A CN 202211699275A CN 115771193 A CN115771193 A CN 115771193A
Authority
CN
China
Prior art keywords
fixedly connected
plate
lock pin
sliding
protection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211699275.XA
Other languages
Chinese (zh)
Inventor
谢明东
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.)
Longquan Shangqiantang Celadon Co ltd
Original Assignee
Longquan Shangqiantang Celadon 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 Longquan Shangqiantang Celadon Co ltd filed Critical Longquan Shangqiantang Celadon Co ltd
Priority to CN202211699275.XA priority Critical patent/CN115771193A/en
Publication of CN115771193A publication Critical patent/CN115771193A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)

Abstract

The invention discloses an adjustable separating device for a ceramic ferrule blank, which comprises a bottom plate and supporting rods fixedly connected to two sides of the top of the bottom plate, wherein a fixed plate is fixedly connected between two sides of the surface of each supporting rod, and a guide protection mechanism is arranged at the top of each fixed plate. This adjustable separator that pottery lock pin blank was used, setting through direction protection mechanism, can be when pottery lock pin and blank material all in one piece alternate segregation, play the effect of direction protection to the pottery lock pin, the pottery lock pin can be in the same direction that the protection fills up the inner wall and slides to collecting inside the frame, make the pottery lock pin can not contact the collision with the protection section of thick bamboo inner wall, the guard action has been played to the pottery lock pin, simultaneously can be in certain extent, adjust the position of four arc guide blocks according to the diameter specification of different pottery lock pins, until the protection fill up with the pottery lock pin laminating mutually can, improve the separation quality of pottery lock pin.

Description

Adjustable separation device for ceramic ferrule blank
Technical Field
The invention relates to the technical field of ceramic ferrules, in particular to an adjustable separating device for a ceramic ferrule blank.
Background
The ceramic ferrule is one of optical fiber ferrules, is a ceramic cylindrical small tube made of sintered zirconium dioxide, is hard in texture, white and fine in color, achieves the precision of a finished product in submicron level, is the most common and most numerous precise positioning piece in an optical fiber communication network, and is often used for manufacturing optical fiber connectors, optically coupling devices and the like.
According to the patent with the patent application number of CN202011069916.4, the ceramic ferrule blank is clamped on the positioning seat, the lifting component drives the separating seat in the separating component to move downwards, so that the ejection column is abutted against the ceramic ferrule blank on the ceramic ferrule blank, the ceramic ferrule blank is separated from the ceramic ferrule blank without manual operation, the labor intensity of workers is reduced, the working efficiency is improved, the adjusting unit is arranged, the downward moving position of the ejection column is adjusted through the adjusting unit, the ceramic ferrule blank can be completely separated from the ceramic ferrule blank, the lifting component is arranged to be electrified by an electromagnet to generate magnetism, the ear block is driven to move downwards, the ejection column moves downwards, and the ejection column is contacted with the ceramic ferrule blank to achieve buffering and shock absorption due to the arrangement of the elastic component, the problem that extrusion damage is caused to a blank of the ceramic ferrule is avoided, in the process that the ejection column ejects and discharges the ceramic ferrule in the patent is solved, because the aperture of a material penetrating hole is larger than the diameter of the ceramic ferrule, the inner wall of the material penetrating hole is not mutually attached to the surface of the ceramic ferrule, when the ejection pressure is large or the blank of the ceramic ferrule is fragile, the inner wall of the material penetrating hole is easy to contact with each other to generate collision in the separation process, the surface of the ceramic ferrule is easy to damage, and economic loss is caused.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an adjustable separating device for a ceramic ferrule blank, which solves the problems that the prior separating device is not provided with a guide protection structure of the ceramic ferrule, is difficult to conveniently adjust ceramic ferrules with different diameters and specifications within a certain range, is easy to damage the ceramic ferrules when being separated, has larger use defects and influences the normal production work of subsequent ceramic ferrules.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an adjustable separating device for a ceramic ferrule blank comprises a bottom plate and supporting rods fixedly connected to two sides of the top of the bottom plate, wherein a fixing plate is fixedly connected between two sides of the surface of each supporting rod, a guide protection mechanism is arranged at the top of each fixing plate, and a stamping and ejecting mechanism is fixedly connected between opposite ends of the two supporting rods;
the guide protection mechanism comprises a protection barrel fixedly connected to the top of the fixed plate, a sliding plate is connected to the surface of the protection barrel in a sliding mode, a lead screw is connected to the inner threads of the sliding plate, the bottom of the lead screw is located at the bottom of the sliding plate, a motor is fixedly connected to the coupler, a movable ring is connected to the surface of the protection barrel, supporting blocks are fixedly connected to the surface of the protection barrel, the supporting blocks are arranged to be four and are arranged in a front-back bilateral symmetry mode, sliding columns are connected to the inner walls of the supporting blocks in a sliding mode, push rods are connected to the bottom ends of the sliding columns in a rotating mode, arc-shaped guide blocks are arranged in the inner activity of the protection barrel, protection pads are fixedly connected to the inner walls of the arc-shaped guide blocks, and connecting rods are connected to the surface of the arc-shaped guide blocks.
Preferably, the bottom of the motor is fixedly connected to the top of the fixing plate, and one end of the connecting rod is fixedly connected to one side of the surface of the sliding column.
Preferably, the top of the sliding plate is fixedly connected with the bottom of the surface of the movable ring through a vertical rod, the top end of the screw rod is rotatably connected with a positioning column, and the top of the positioning column is provided with a positioning hole.
Preferably, the stamping and ejecting mechanism comprises a top plate fixedly connected between the opposite ends of the two support rods, and the top of the top plate is fixedly connected with a hydraulic oil cylinder.
Preferably, the extending end of the hydraulic oil cylinder is located at the bottom of the top plate, spring rods are fixedly connected to two sides of the bottom of the top plate, and a pressing plate is fixedly connected between the bottom ends of the two spring rods.
Preferably, the bottom fixedly connected with ejector rod of clamp plate, the ejector rod sets up to four and is bilateral symmetry setting all around, the top fixedly connected with hollow circular cylinder of clamp plate, and hollow circular cylinder's inside fixedly connected with pressure sensor.
Preferably, the top of the bottom plate and the bottom of the fixing plate are fixedly connected with a collecting frame, and the inner wall of the collecting frame is fixedly connected with a guard ring.
Preferably, the bottom fixedly connected with buffer spring of collection frame inner wall, and buffer spring's top fixedly connected with buffer board, the surface of buffer board and the inner wall sliding connection of guard circle.
(III) advantageous effects
The invention provides an adjustable separation device for a ceramic ferrule blank. The method has the following beneficial effects:
(1) This adjustable separator that pottery lock pin blank was used, setting through direction protection mechanism, can be when pottery lock pin and blank material all in one piece alternate segregation, play the effect of direction protection to the pottery lock pin, the pottery lock pin can be in the same direction that the protection fills up the inner wall and slides to collecting inside the frame, make the pottery lock pin can not contact the collision with the protective barrel inner wall, the guard action has been played the pottery lock pin, simultaneously can be in certain extent, adjust the position of four arc guide blocks according to the diameter specification of different pottery lock pins, until the protection fill up with the pottery lock pin laminating mutually can, improve the separation quality of pottery lock pin.
(2) This adjustable separator that pottery lock pin blank was used, through the setting of punching press ejection mechanism, can follow blank material in one piece with the pottery lock pin and go out the punching press separation, and set up pressure sensor and can monitor the output pressure that hydraulic cylinder stretched out the end, avoid the too big cracked problem of pottery lock pin that leads to the fact of pressure.
(3) This adjustable separator that pottery lock pin blank was used through the setting of collecting frame, guard circle, buffer board and buffer spring, can unify after the separation of pottery lock pin and collect to play the effect of buffering protection.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a schematic structural diagram of the stamping and ejecting mechanism of the present invention;
FIG. 3 is a schematic structural view of a lead screw, a motor, a sliding plate and a positioning post according to the present invention;
FIG. 4 is a cross-sectional view of the construction of the collection frame of the present invention;
fig. 5 is a partial enlarged view of the invention at a in fig. 1.
In the figure: 1. a base plate; 2. a support bar; 3. a fixing plate; 4. a stamping ejection mechanism; 41. a top plate; 42. a hydraulic cylinder; 43. a spring lever; 44. pressing a plate; 45. ejecting the rod; 46. a hollow cylinder; 47. a pressure sensor; 5. a guiding protection mechanism; 51. a protective cylinder; 52. a sliding plate; 53. a screw rod; 54. a motor; 55. a supporting block; 56. a movable ring; 57. a sliding post; 58. a push rod; 59. an arc-shaped guide block; 510. a protective pad; 511. a connecting rod; 6. a positioning column; 7. a collection frame; 8. a guard ring; 9. a buffer spring; 10. a buffer plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: an adjustable separation device for a ceramic ferrule blank comprises a bottom plate 1 and support rods 2 fixedly connected to two sides of the top of the bottom plate 1, wherein a fixed plate 3 is fixedly connected between two sides of the surface of each support rod 2, a guide protection mechanism 5 is arranged at the top of each fixed plate 3, and a stamping and ejection mechanism 4 is fixedly connected between one opposite ends of the two support rods 2;
guide protection mechanism 5 includes a protection section of thick bamboo 51 of fixed connection in fixed plate 3 top, and the sliding surface of a protection section of thick bamboo 51 is connected with sliding plate 52, the inside threaded connection of sliding plate 52 has lead screw 53, the bottom of lead screw 53 just is located the bottom of sliding plate 52 and passes through shaft coupling fixedly connected with motor 54, the sliding surface of a protection section of thick bamboo 51 is connected with loose ring 56, the fixed surface of a protection section of thick bamboo 51 is connected with supporting shoe 55, supporting shoe 55 sets up to four and is bilateral symmetry setting all around, the inner wall sliding connection of supporting shoe 55 has sliding column 57, and sliding column 57's bottom is rotated and is connected with push rod 58, the inside activity of a protection section of thick bamboo 51 is provided with arc guide block 59, and the inner wall fixedly connected with protection pad 510 of arc guide block 59, the fixed surface of arc guide block 59 is connected with connecting rod 511.
In the embodiment of the present invention, the bottom of the motor 54 is fixedly connected to the top of the fixing plate 3, one end of the connecting rod 511 is fixedly connected to one side of the surface of the sliding column 57, and the motor 54 can adjust the rotation speed and perform forward and reverse rotation.
In the embodiment of the invention, the top of the sliding plate 52 is fixedly connected with the bottom of the surface of the movable ring 56 through a vertical rod, the top end of the screw rod 53 is rotatably connected with the positioning column 6, the top of the positioning column 6 is provided with a positioning hole, and the positioning hole can be used for placing a central column on a blank material to limit the central column.
In the embodiment of the invention, the stamping and ejecting mechanism 4 comprises a top plate 41 fixedly connected between the opposite ends of the two support rods 2, and the top of the top plate 41 is fixedly connected with a hydraulic oil cylinder 42.
In the embodiment of the present invention, the extending end of the hydraulic oil cylinder 42 is located at the bottom of the top plate 41, the two sides of the bottom of the top plate 41 are both fixedly connected with spring rods 43, and a pressing plate 44 is fixedly connected between the bottom ends of the two spring rods 43.
In the embodiment of the invention, the bottom of a pressing plate 44 is fixedly connected with ejector rods 45, the ejector rods 45 are arranged in four and are symmetrically arranged in front and back and left and right, the top of the pressing plate 44 is fixedly connected with a hollow cylinder 46, a pressure sensor 47 is fixedly connected inside the hollow cylinder 46, the pressure sensor 47 is of a PTG501 type, the pressure sensor 47 is a device or a device which can sense pressure signals and can convert the pressure signals into usable output electric signals according to a certain rule, the pressure sensor 47 usually comprises a pressure sensitive element and a signal processing unit, and the pressure sensor 47 can monitor the output pressure of the extending end of a hydraulic oil cylinder 42, so that the problem that the ceramic insert core is broken due to overlarge pressure is avoided.
In the embodiment of the invention, the top of the bottom plate 1 and the bottom of the fixing plate 3 are fixedly connected with the collecting frame 7, and the inner wall of the collecting frame 7 is fixedly connected with the guard ring 8.
In the embodiment of the invention, the bottom of the inner wall of the collecting frame 7 is fixedly connected with the buffer spring 9, the top end of the buffer spring 9 is fixedly connected with the buffer plate 10, the surface of the buffer plate 10 is in sliding connection with the inner wall of the protective ring 8, the ceramic ferrules can be uniformly collected after being separated, and the buffer protection effect is achieved.
And those not described in detail in this specification are well within the skill of those in the art.
When the ceramic ferrule blank positioning device is used, the central column on the ceramic ferrule blank monolith is inserted into the positioning hole of the positioning column 6, so that the ceramic ferrule is just positioned inside the protective cylinder 51, the motor 54 is started, the motor 54 drives the screw rod 53 to rotate, then the screw rod 53 rotates to drive the sliding plate 52 to move up and down along the surface of the protective cylinder 51, the sliding plate 52 can drive the movable ring 56 to move up and down along the surface of the protective cylinder 51 through the vertical rod, in the moving process, the push rod 58 can rotate at the bottom end of the sliding column 57, the sliding column 57 is connected inside the supporting block 55 in a sliding manner, therefore, in the moving process of moving the movable ring 56 up and down, the sliding column 57 can be driven to move along the supporting block 55 through the push rod 58, then the four arc-shaped guide blocks 59 can be driven to move close to or deviate from the center of the protective cylinder 51 through the connecting rod 511, and the position of the arc-shaped guide block 59 can be controlled according to the diameter specification of the ceramic ferrule until the protective pad 510 on the inner wall of the arc-shaped guide block 59 contacts with the surface of the ceramic ferrule;
then start hydraulic cylinder 42, make hydraulic cylinder 42's extension end to cylinder carry out the punching press downwards, can drive clamp plate 44 downstream, can follow blank whole piece and go out the separation of punching press with the ceramic lock pin through setting up of knock-out lever 45, the in-process of punching press, stretch out the pressure numerical value that end pushed down by pressure sensor 47 monitoring hydraulic cylinder 42, avoid pressure too big to cause the cracked problem of ceramic lock pin appearance, the ceramic lock pin after the separation is then protected by the direction of four arc guide blocks 59 and finally falls into to collecting frame 7 inside and collect, through buffer board 10, buffer spring 9 and guard ring 8 set up can fall into when collecting frame 7 inside at the ceramic lock pin, play the effect of buffer protection.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an adjustable separator that pottery lock pin blank was used, includes bottom plate (1) and fixed connection in bracing piece (2) of bottom plate (1) top both sides, its characterized in that: a fixing plate (3) is fixedly connected between two sides of the surface of the supporting rod (2), a guide protection mechanism (5) is arranged at the top of the fixing plate (3), and a stamping and ejecting mechanism (4) is fixedly connected between opposite ends of the two supporting rods (2);
the guide protection mechanism (5) comprises a protection cylinder (51) fixedly connected to the top of the fixing plate (3), the surface of the protection cylinder (51) is connected with a sliding plate (52) in a sliding mode, the inner thread of the sliding plate (52) is connected with a screw rod (53), the bottom end of the screw rod (53) is located at the bottom of the sliding plate (52) and is connected with a motor (54) through a coupler fixedly, the surface of the protection cylinder (51) is connected with a movable ring (56) in a sliding mode, the surface of the protection cylinder (51) is fixedly connected with supporting blocks (55), the supporting blocks (55) are arranged in four modes and are arranged in a front-back left-right symmetrical mode, the inner wall of each supporting block (55) is connected with a sliding column (57) in a sliding mode, the bottom end of each sliding column (57) is connected with a push rod (58) in a rotating mode, an arc-shaped guide block (59) is arranged in the inner moving mode, a protection pad (510) is fixedly connected to the inner wall of the arc-shaped guide block (59), and a connecting rod (511) is fixedly connected with the surface of the arc-shaped guide block (59).
2. The adjustable separating apparatus for a ferrule blank according to claim 1, wherein: the bottom of the motor (54) is fixedly connected to the top of the fixing plate (3), and one end of the connecting rod (511) is fixedly connected with one side of the surface of the sliding column (57).
3. The adjustable separating apparatus for a ferrule blank according to claim 1, wherein: the top of the sliding plate (52) is fixedly connected with the bottom of the surface of the movable ring (56) through a vertical rod, the top end of the screw rod (53) is rotatably connected with a positioning column (6), and the top of the positioning column (6) is provided with a positioning hole.
4. The adjustable separating device for the ferrule blank according to claim 1, wherein: the stamping and ejecting mechanism (4) comprises a top plate (41) fixedly connected between the opposite ends of the two support rods (2), and the top of the top plate (41) is fixedly connected with a hydraulic oil cylinder (42).
5. The adjustable separating device for the ferrule blank according to claim 4, wherein: the stretching end of the hydraulic oil cylinder (42) is located at the bottom of the top plate (41), spring rods (43) are fixedly connected to two sides of the bottom of the top plate (41), and a pressing plate (44) is fixedly connected between the bottom ends of the two spring rods (43).
6. The adjustable separating apparatus for a ferrule blank according to claim 5, wherein: the bottom fixedly connected with ejector rod (45) of clamp plate (44), ejector rod (45) set up to four and are bilateral symmetry setting all around, the top fixedly connected with hollow circular cylinder (46) of clamp plate (44), and the inside fixedly connected with pressure sensor (47) of hollow circular cylinder (46).
7. The adjustable separating apparatus for a ferrule blank according to claim 1, wherein: the top of the bottom plate (1) is fixedly connected with a collecting frame (7) at the bottom of the fixing plate (3), and a protective ring (8) is fixedly connected with the inner wall of the collecting frame (7).
8. The adjustable separating device for the ferrule blank according to claim 7, wherein: the bottom fixedly connected with buffer spring (9) of collecting frame (7) inner wall, and the top fixedly connected with buffer board (10) of buffer spring (9), the surface of buffer board (10) and the inner wall sliding connection of guard circle (8).
CN202211699275.XA 2022-12-28 2022-12-28 Adjustable separation device for ceramic ferrule blank Pending CN115771193A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211699275.XA CN115771193A (en) 2022-12-28 2022-12-28 Adjustable separation device for ceramic ferrule blank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211699275.XA CN115771193A (en) 2022-12-28 2022-12-28 Adjustable separation device for ceramic ferrule blank

Publications (1)

Publication Number Publication Date
CN115771193A true CN115771193A (en) 2023-03-10

Family

ID=85393054

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211699275.XA Pending CN115771193A (en) 2022-12-28 2022-12-28 Adjustable separation device for ceramic ferrule blank

Country Status (1)

Country Link
CN (1) CN115771193A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004078020A (en) * 2002-08-21 2004-03-11 Sodick Co Ltd Method for manufacturing ceramic optical connector ferrule
CN206484418U (en) * 2017-01-05 2017-09-12 浙江中科光电有限公司 Process the clamping device of nonstandard ceramic insertion core
CN209296988U (en) * 2019-02-25 2019-08-23 深圳华钛自动化科技有限公司 A kind of fiber stub crimping apparatus
DE212020000261U1 (en) * 2020-07-02 2020-12-02 Suzhou Jinweibo Precision Machinery Technology Co., Ltd. An injection mold with a buffer protection function
CN112092177A (en) * 2020-10-09 2020-12-18 湖南中科光电有限公司 Automatic separation device for ceramic ferrule blank
CN112123598A (en) * 2020-09-24 2020-12-25 湖南中科光电有限公司 Chamfering machine for ceramic ferrule production line and use method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004078020A (en) * 2002-08-21 2004-03-11 Sodick Co Ltd Method for manufacturing ceramic optical connector ferrule
CN206484418U (en) * 2017-01-05 2017-09-12 浙江中科光电有限公司 Process the clamping device of nonstandard ceramic insertion core
CN209296988U (en) * 2019-02-25 2019-08-23 深圳华钛自动化科技有限公司 A kind of fiber stub crimping apparatus
DE212020000261U1 (en) * 2020-07-02 2020-12-02 Suzhou Jinweibo Precision Machinery Technology Co., Ltd. An injection mold with a buffer protection function
CN112123598A (en) * 2020-09-24 2020-12-25 湖南中科光电有限公司 Chamfering machine for ceramic ferrule production line and use method thereof
CN112092177A (en) * 2020-10-09 2020-12-18 湖南中科光电有限公司 Automatic separation device for ceramic ferrule blank

Similar Documents

Publication Publication Date Title
CN112276862B (en) A gear rapid Assembly device for machining
CN213560000U (en) Drilling device with positioning mechanism for mold production
CN115771193A (en) Adjustable separation device for ceramic ferrule blank
CN116572126A (en) High-precision optical fiber grinding device based on optical fiber connector assembly and use method thereof
CN218928137U (en) Light-transmitting concrete preset forming die
CN218512191U (en) Quality detection device is used in elastic fiber cloth production
CN116393698A (en) Metal powder metallurgy gear processing die
CN218174220U (en) Cutting mechanism for reeling processing
CN215942421U (en) Fixing and clamping device for optical lens production
CN108928018B (en) Loudspeaker bullet ripples shaping compacting tool set
CN216831379U (en) High-efficient transmission numerical control engraver fixing device
CN214849500U (en) Motor commutator processing is with hinge hole and turning excircle integration equipment
CN114163119A (en) Suspension device for optical fiber perform
CN111958745A (en) New forms of energy motor casing hot-pressing equipment
CN111958281A (en) Titanium alloy stick processingequipment
CN110723591A (en) Spinning equipment for unloading yarns
CN221112057U (en) Positioning fixture for optical filter cutting
CN210999678U (en) Lens forming device for digital product
CN213763748U (en) Stamping die for printer part
CN115256655B (en) Stone processing machine tool
CN213616289U (en) Detection positioning piece of display backboard mould
CN210795320U (en) Winder is used in chemical fiber production
CN213389113U (en) Needle bed of needle spinning machine
CN213173147U (en) Slitting device is used in bamboo processing
CN216255060U (en) Full-automatic skin cutter

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