CN112802699A - Assembly equipment for micro light-touch membrane switch - Google Patents

Assembly equipment for micro light-touch membrane switch Download PDF

Info

Publication number
CN112802699A
CN112802699A CN202110103715.XA CN202110103715A CN112802699A CN 112802699 A CN112802699 A CN 112802699A CN 202110103715 A CN202110103715 A CN 202110103715A CN 112802699 A CN112802699 A CN 112802699A
Authority
CN
China
Prior art keywords
conveying
positioning frame
positioning
channel
seat
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
CN202110103715.XA
Other languages
Chinese (zh)
Inventor
孙传松
张凯
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.)
Dongguan Yijia Electronic Technology Co ltd
Original Assignee
Dongguan Yijia Electronic 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 Dongguan Yijia Electronic Technology Co ltd filed Critical Dongguan Yijia Electronic Technology Co ltd
Priority to CN202110103715.XA priority Critical patent/CN112802699A/en
Publication of CN112802699A publication Critical patent/CN112802699A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00Apparatus or processes specially adapted for the manufacture of electric switches
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H2011/0087Welding switch parts by use of a laser beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention discloses an assembling device of a micro light-touch membrane switch, which comprises a machine table, wherein a first conveying material channel is arranged on the upper side of the machine table along the X-axis direction, a base material belt is arranged on the upper side of the first conveying material channel, a reed assembling mechanism is arranged on the side adjacent to the front end of the first conveying material channel, a positioning frame material receiving and discharging mechanism for conveying the positioning frame material belt along the Y-axis direction is arranged on one side of the reed assembling mechanism, the positioning frame material belt is arranged inside the positioning frame material receiving and discharging mechanism, a punching mechanism is arranged at the joint of the positioning frame material belt and the base material belt, a laser welding mechanism, a laser cutting mechanism and a positioning frame dismounting mechanism are sequentially arranged at the rear end of the first conveying material channel, a set of assembling laser welding and laser cutting product process taking the positioning frame as the core is designed, the stable assembling welding and reinforcing functions of products are realized, and various functional indexes of the product completely meet, and realize the automatic mass production.

Description

Assembly equipment for micro light-touch membrane switch
Technical Field
The invention relates to the field of assembly of small and miniature light-touch membrane switches, in particular to an assembly device of a miniature light-touch membrane switch.
Background
The tact membrane switch is also called a key switch, and is firstly called as: when the sensitive switch is used, the switch is pressed towards the switch operation direction under the condition of meeting the operation force, the switch is closed and switched on, when the pressure is removed, the switch is switched off, and the internal structure of the sensitive switch is switched on and off by the stress change of the metal elastic sheet. The tact switch is composed of: the waterproof tact switch is composed of an insert, a base, an elastic sheet, a button and a cover plate, wherein a layer of polyimide film is added on the elastic sheet. The tact switch has advantages of small contact resistance load, accurate operation force error, diversified specifications and the like, and is widely applied to electronic equipment, white household appliances and the like, such as: audio-visual products, digital products, remote controllers, communication products, household appliances, security products, toys, computer products, fitness equipment, medical equipment, currency examining pens, laser pen keys and the like. The touch switch is directly replaced by conductive rubber or metal dome switch hardware elastic pieces for environment conditions large-scale equipment and high-load buttons, such as medical equipment, television remote controllers and the like.
In order to realize the functions of various products of the related products, the belt-connecting type positioning frame fixing and assembling laser welding equipment is provided, and similar professional equipment does not exist in the industry at present.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art and provides an assembling device of a micro light-touch membrane switch.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a miniature rigging equipment that dabs membrane switch, includes the board, be provided with the first transport material way that is used for carrying the base material area along the X axle direction on the board, be provided with the pay-off motor that the drive base material area moved forward on the first transport material way, the front end neighbour side that first transport material was said is provided with reed assembly devices, one side of reed assembly devices is provided with the locating frame that is used for carrying the locating frame material area along the Y axle direction and receives drop feed mechanism, the locating frame material area is provided with die-cutting mechanism with base material area handing-over department, the rear end that first transport material was said has set gradually laser welding mechanism, laser cutting mechanism and locating frame and has unloaded the mechanism.
More specifically, the reed assembly mechanism has a plurality of groups, including the vibration feed table, the output track one end of vibration feed table is provided with connects the material seat, connect one side of material seat to be provided with middle positioning seat, one side of middle positioning seat is provided with the material way positioning seat, one side of vibration feed table is provided with the assembly manipulator.
More specifically, the material channel positioning seat is fixedly installed on the upper side of the first material conveying channel, and the assembling manipulator comprises two groups of material suction nozzle arrays capable of moving along the Y-axis direction and the Z-axis direction.
More specifically, the positioning frame receiving and discharging mechanism comprises a positioning frame discharging rotating shaft and a positioning frame receiving rotating shaft which are respectively arranged on two sides of the first conveying channel.
More specifically, die-cut mechanism includes the die-cut positioning seat of fixed mounting in first conveyer material way, the inside of die-cut positioning seat sets up the die cutter through-hole array that link up from top to bottom along the Z axle direction, the inside of die-cut positioning seat is provided with the Y axle material way that is used for the locating frame material area to pass along the Y axle direction, be provided with the X axle material way that is used for the base material area to pass between die-cut positioning seat and the first conveyer material way, the upside of die-cut positioning seat is provided with the die cutter array that can reciprocate.
More specifically, the punching positioning seat is fixedly installed on the upper side of the first conveying channel, a pair of left and right guide pillars are respectively arranged on two sides of the first conveying channel, a punching knife driving cylinder is arranged on the upper side of each left and right guide pillar, a punching knife fixing seat is connected to the lower side of the punching knife driving cylinder in a driving mode, the punching knife array is installed on the lower side of the punching knife fixing seat, and the punching knife fixing seat is arranged on the outer sides of the left and right guide pillars in a sliding mode.
More specifically, the mechanism is unloaded to locating frame includes top device and moves the material device, the top device includes that the top sword drives actuating cylinder, the top sword drives actuating cylinder and connects a top sword array along Z axle direction drive, it drives actuating cylinder including the Y axle to move the material device, the Y axle drives actuating cylinder along a Y axle direction drive Y axle mount pad round trip movement, be provided with Z axle on the Y axle mount pad and drive actuating cylinder, Z axle drives actuating cylinder along a Z axle direction drive Z axle mount pad up-and-down motion, be provided with Z axle on the Z axle mount pad and get the material sword cylinder, Z axle is got material sword cylinder and is got material sword array up-and-down motion along Z axle direction drive Z axle.
More specifically, the welding positioning block and the cutting positioning block are respectively arranged below the laser welding mechanism and the laser cutting mechanism, and are fixedly arranged on the first conveying channel.
More specifically, a material channel pressing strip is arranged on the first conveying material channel.
More specifically, the output shaft of the feeding motor is connected with a material moving roller, the outer side of the material moving roller is provided with protrusions distributed at equal intervals, the base material belt is provided with positioning holes distributed at equal intervals, the feeding motor drives the material moving roller to rotate, the protrusions are embedded into the positioning holes, and when the roller rotates, the base material belt is driven to move linearly.
Compared with the prior art, the invention has the following beneficial effects:
the invention designs a set of assembly laser welding and laser cutting product process taking the positioning frame as the core, realizes the stable assembly welding and cutting function of the product, can completely meet the requirements of customers for various functional indexes of the product project, realizes the full-automatic flow line production in large batch, and has higher production efficiency.
Drawings
FIG. 1 is a schematic structural view of a reed assembling mechanism, a positioning frame material receiving and discharging mechanism and a punching mechanism;
FIG. 2 is a schematic structural view of a reed assembly mechanism;
FIG. 3 is a schematic structural view of the punching mechanism;
FIG. 4 is a schematic structural view of the punch positioning seat;
FIG. 5 is a schematic structural view of a laser welding mechanism, a laser cutting mechanism, and a positioning frame detaching mechanism;
FIG. 6 is a schematic structural view of the positioning frame detaching mechanism;
FIG. 7 is a second schematic structural view of the positioning frame detaching mechanism.
FIG. 8 is one of the assembly flow diagrams of the present invention;
FIG. 9 is a second assembly flow diagram of the present invention;
FIG. 10 is a third assembly flow diagram of the present invention;
FIG. 11 is a fourth assembly flow diagram of the present invention;
FIG. 12 is a fifth assembly flow diagram of the present invention.
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. 1-7, an assembling apparatus for a micro light-touch membrane switch comprises a machine table 1, a first conveying channel 2 is disposed on the upper side of the machine table 1 along the X-axis direction, a feeding motor 821 is disposed on the first conveying channel 2, a base material strip 11 is disposed on the upper side of the first conveying channel 2, a reed assembling mechanism 3 is disposed on the front-end adjacent side of the first conveying channel 2, a positioning frame material receiving and discharging mechanism 4 for conveying a positioning frame material strip 112 along the Y-axis direction is disposed on one side of the reed assembling mechanism 3, a positioning frame material strip is disposed inside the positioning frame material receiving and discharging mechanism 4, a punching mechanism 5 is disposed at the position where the positioning frame material strip 112 and the base material strip 11 are connected, a laser welding mechanism 6, a laser cutting mechanism 7 and a positioning frame discharging mechanism 8 are sequentially disposed at the rear end of the first conveying channel 2, the laser welding mechanism 6 is used for welding, the laser cutting mechanism 7, the positioning frame removing mechanism 8 is used to remove the positioning frame 113 from the base 111.
Referring to fig. 1 and 2, the reed assembling mechanism 3 includes three sets, including a vibration feeding tray 31, a receiving seat 32 is disposed at one end of an output rail of the vibration feeding tray 31, a middle positioning seat 33 is disposed at one side of the receiving seat 32, a material channel positioning seat 34 is disposed at one side of the middle positioning seat 33, an assembling manipulator 35 is disposed at one side of the vibration feeding tray 31, the material channel positioning seat 34 is fixedly mounted at the upper side of the first conveying material channel 2, and the assembling manipulator 35 includes two sets of material suction nozzle arrays 36 capable of moving along the Y-axis direction and the Z-axis direction; the working principle is as follows: the reeds are placed in the vibration feeding tray 31 for feeding, the reeds move into corresponding positioning blind holes on the material receiving seat 32 along the output track, two groups of material suction nozzle arrays 36 come in, one group of material suction nozzle arrays moves downwards and sucks the reeds in the material receiving seat 32, the reeds are randomly placed in the positioning blind holes on the middle positioning seat 33, then two groups of material suction nozzle arrays 36 come in again, one group of material suction nozzle arrays sucks the reeds on the middle positioning seat 33, the other group of material suction nozzle arrays sucks the reeds on the material receiving seat 32, when the two groups of material suction nozzle arrays 36 move again, one group of material suction nozzle arrays move the reeds from the middle positioning seat 33 to the material channel positioning seat 34, the reeds are just placed in the base of the base material belt 11 through the positioning holes on the material channel positioning seat 34, the other group of material suction nozzle arrays synchronously move the reeds from the material receiving seat 32 to the middle positioning seat 33 for positioning, the next reed installing operation is convenient;
referring to fig. 1, the positioning frame receiving and discharging mechanism 4 includes a positioning frame receiving rotating shaft 41 and a positioning frame discharging rotating shaft 42 respectively disposed at two sides of the first conveying channel 2, the positioning frame receiving rotating shaft 41 is used for receiving the positioning frame material strips 112 that have not been punched, and the positioning frame receiving rotating shaft 42 is used for recovering the punched positioning frame material strips 112.
Referring to fig. 1-4, the punching mechanism 5 includes a punching positioning seat 51, the punching positioning seat 51 is fixedly installed on the upper side of the first conveying material channel 2, a plurality of punching blade through hole arrays 52 which are vertically through are arranged inside the punching positioning seat 51 along the Z-axis direction, a Y-axis material channel 53 through which the positioning frame material strip 112 passes is arranged inside the punching positioning seat 51 along the Y-axis direction, an X-axis material channel 54 through which the base material strip passes is arranged between the punching positioning seat 51 and the first conveying material channel 2, a punching blade array 55 which can move up and down is arranged on the upper side of the punching positioning seat 51, a pair of left and right guide posts 56 are respectively arranged on both sides of the first conveying material channel 2, a punching blade driving cylinder 57 is arranged on the upper side of the left and right guide posts 56, a punching blade fixing seat 58 is installed on the lower side of the punching blade driving cylinder 57, the punching blade array 55 is installed on the lower; the working principle is that the positioning frame material belt 112 and the base material belt 11 respectively form intersection in the punching positioning seat 51 from the Y-axis direction and the X-axis direction, the positioning frame material belt 112 is positioned above the base material belt 11, and at the moment, the punching knife array 55 is driven by the punching knife driving cylinder 57 to press down in the punching knife through hole array 52, so that single products (according to the point 114+ the white film + the positioning frame 113) on the positioning frame material belt 112 are separated from the material belt and are assembled on the base.
Referring to fig. 1, 5, 6 and 7, the positioning frame unloading mechanism 8 includes an upper ejection device and a material moving device, the upper ejection device includes a top knife driving cylinder 811, a top knife array 812 is installed on the lower side of the top knife driving cylinder 811, the top knife driving cylinder 811 can move the top knife array 812 up and down, the material moving device includes a Y-axis driving cylinder (not shown in the figure), the Y-axis driving cylinder drives a Y-axis mounting block 822 to move back and forth along the Y-axis direction, a Z-axis driving cylinder 823 is installed on one side of the Y-axis mounting block 822, a Z-axis mounting block 824 is installed on one side of the Z-axis driving cylinder 823, a Z-axis material taking knife cylinder 825 is installed on one side of the Z-axis material taking knife cylinder 825, the Z-axis material taking cylinder 825 can slide the Z-axis material taking knife array 826 up and down relative to the Z-axis mounting block 824, and the positioning frame unloading principle: top sword array 812 rises the butt and takes the locating frame on the material area at the bottom, and Z axle is got material sword array 826 and is pushed down and press at the inside base of locating frame simultaneously, and both synchronous relative motion like this makes locating frame and base take place the separation, and the locating frame removes to getting on the material sword simultaneously, and the material sword is lifted on afterwards, takes the locating frame together, gets the material sword and moves along Y axle direction afterwards, and Z axle is got material sword cylinder 825 drive Z axle and is got material sword array 826 and take place to move up afterwards, and the locating frame on the material sword array 826 is got to the Z axle is broken down.
The whole assembly action principle and flow are as follows: the assembly process of the micro light touch membrane switch is as follows, as shown in fig. 8-12, the first step is as follows: through reed assembly devices 3 with reed 110 just and put into the corresponding base 111 inside on the base material area 11, the second step: conveying the base material belt 11 with the reed 110 placed under the punching mechanism 5, and performing a third step: the punching mechanism 5 is started, the whole product (according to the point 114+ the white film + the positioning frame 113) on the positioning frame material belt 112 is punched and sleeved outside the base 111 (the white film covers the positioning frame of fig. 10 and 11, the white film is not shown in the drawing for the convenience of seeing the internal structure), and the fourth step: laser welding mechanism 6 carries out laser welding to the white film above base 111 and the locating frame 113 and consolidates (mainly make white film and base combine), and reuse laser cutting mechanism 7 cuts the white film, makes the white film on the locating frame and the white film separation on the base, the fifth step: the cut product is conveyed to the positioning frame dismounting mechanism 8, the positioning frame 113 is dismounted to form the assembled switch product 115, the full-automatic assembly line type assembly process of the whole micro light-touch membrane switch is completed, and all the electric equipment in the scheme is powered by an external power supply.
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 (10)

1. The utility model provides a miniature rigging equipment that dabs membrane switch, includes board (1), its characterized in that: the machine table (1) is provided with a first conveying material channel (2) used for conveying a base material belt (11) along the X-axis direction, the first conveying material channel (2) is provided with a feeding motor (821) used for driving the base material belt (11) to move forwards, the front end adjacent side of the first conveying material channel (2) is provided with a reed assembling mechanism (3), one side of the reed assembling mechanism (3) is provided with a positioning frame material receiving and discharging mechanism (4) used for conveying the positioning frame material belt (112) along the Y-axis direction, the positioning frame material belt (112) and the base material belt (11) are connected in a joint mode and are provided with a punching mechanism (5), and the rear end of the first conveying material channel (2) is sequentially provided with a laser welding mechanism (6), a laser cutting mechanism (7) and a positioning frame material discharging mechanism (8).
2. The assembling apparatus of a micro tact membrane switch as claimed in claim 1, wherein: the reed assembling mechanism (3) is provided with multiple groups and comprises a vibration feeding disc (31), a material receiving seat (32) is arranged at one end of an output rail of the vibration feeding disc (31), an intermediate positioning seat (33) is arranged on one side of the material receiving seat (32), a material channel positioning seat (34) is arranged on one side of the intermediate positioning seat (33), and an assembling mechanical arm (35) is arranged on one side of the vibration feeding disc (31).
3. The assembling apparatus of a micro tact membrane switch as claimed in claim 2, wherein: the material channel positioning seat (34) is fixedly installed on the upper side of the first conveying material channel (2), and the assembling mechanical arm (35) comprises two groups of material suction nozzle arrays (36) capable of moving along the Y-axis direction and the Z-axis direction.
4. The assembling apparatus of a micro tact membrane switch as claimed in claim 3, wherein: the positioning frame material receiving and discharging mechanism (4) comprises a positioning frame material discharging rotating shaft (41) and a positioning frame material receiving rotating shaft (42) which are respectively arranged on two sides of the first material conveying channel (2).
5. The assembling apparatus of a micro tact membrane switch as claimed in claim 4, wherein: die-cut mechanism (5) are including die-cut positioning seat (51) of fixed mounting in first conveyer material way (2), die-cut positioning seat (51) inside sets up die cutter through-hole array (52) that link up from top to bottom along the Z axle direction, die-cut positioning seat (51) inside is provided with Y axle material way (53) that are used for locating frame material area (112) to pass along the Y axle direction, be provided with X axle material way (54) that are used for base material area (11) to pass between die-cut positioning seat (51) and first conveyer material way (2), the upside of die-cut positioning seat (51) is provided with die cutter array (55) that can reciprocate.
6. The assembling apparatus of a micro tact membrane switch as claimed in claim 5, wherein: the punching positioning seat (51) is fixedly arranged on the upper side of the first conveying material channel (2), a pair of left and right guide pillars (56) are respectively arranged on two sides of the first conveying material channel (2), a punching knife driving cylinder (57) is arranged on the upper side of each left and right guide pillar (56), a punching knife fixing seat (58) is connected to the lower side of each punching knife driving cylinder (57) in a driving mode, the punching knife array (55) is arranged on the lower side of each punching knife fixing seat (58), and each punching knife fixing seat (58) is arranged on the outer side of each left and right guide pillar (56) in a sliding mode.
7. The assembling apparatus of a micro tact membrane switch as claimed in claim 6, wherein: the positioning frame dismounting mechanism (8) comprises an upper ejection device and a material moving device, the upper ejection device comprises a top knife driving cylinder (811), the top knife driving cylinder (811) is in driving connection with a top knife array (812) along the Z-axis direction, the material moving device comprises a Y-axis driving cylinder, the Y-axis driving cylinder drives a Y-axis mounting seat (822) to move back and forth along the Y-axis direction, a Z-axis driving cylinder (823) is arranged on the Y-axis mounting seat (822), the Z-axis driving cylinder (823) drives a Z-axis mounting seat (824) to move up and down along the Z-axis direction, a Z-axis material taking knife cylinder (825) is arranged on the Z-axis mounting seat (824), and the Z-axis material taking knife cylinder (825) drives a Z-axis material taking knife array (826) to move up and down along the Z-axis direction.
8. The assembling apparatus of a micro tact membrane switch as claimed in claim 7, wherein: and a welding positioning block and a cutting positioning block are respectively arranged below the laser welding mechanism (6) and the laser cutting mechanism (7), and are fixedly arranged on the first conveying channel (2).
9. The assembling apparatus of a micro tact membrane switch as claimed in claim 8, wherein: a material channel pressing strip is arranged on the first material conveying channel (2).
10. The assembling apparatus of a micro tact membrane switch as claimed in claim 9, wherein: an output shaft of the feeding motor (821) is connected with a material moving roller, and the outer side of the material moving roller is provided with protrusions distributed at equal intervals.
CN202110103715.XA 2021-01-26 2021-01-26 Assembly equipment for micro light-touch membrane switch Pending CN112802699A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110103715.XA CN112802699A (en) 2021-01-26 2021-01-26 Assembly equipment for micro light-touch membrane switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110103715.XA CN112802699A (en) 2021-01-26 2021-01-26 Assembly equipment for micro light-touch membrane switch

Publications (1)

Publication Number Publication Date
CN112802699A true CN112802699A (en) 2021-05-14

Family

ID=75811820

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110103715.XA Pending CN112802699A (en) 2021-01-26 2021-01-26 Assembly equipment for micro light-touch membrane switch

Country Status (1)

Country Link
CN (1) CN112802699A (en)

Similar Documents

Publication Publication Date Title
CN214068607U (en) Assembly equipment for micro light-touch membrane switch
CN112802699A (en) Assembly equipment for micro light-touch membrane switch
KR100456126B1 (en) Shield assembling system ans method
CN109760144B (en) Folded plate mechanism and automatic plate separating machine with folded plate mechanism
CN217729001U (en) Pole piece forming device
CN2718755Y (en) Automatic sticking machine for round to metal contact spring lamination
CN111799115A (en) Automatic assembling machine for single-layer tact switch
CN109390174B (en) Automatic kludge of three-layer type side press tact switch
CN210632745U (en) Separated punching mechanism
CN114309240A (en) Automatic punching equipment
CN211541329U (en) Paper cutting device of automatic paper cutting and inserting machine
CN110814545B (en) Automatic tapping device of FPC flexible circuit board
CN111112836B (en) Integrated laser continuous welding device and battery assembling equipment
CN214644317U (en) Die cutting device for film switch
CN210281328U (en) Base assembly assembling device of button switch assembling equipment
CN213674447U (en) Automatic sponge plate punching and waste removing device
CN217847749U (en) Tact switch punching precision assembly riveting assembling machine
CN113270603B (en) Pressing cutter device and lamination equipment
CN220710819U (en) Automatic riveting mechanism and automatic riveting equipment of terminal for TF card seat
CN217726786U (en) Continuous automatic stamping device of panel beating
CN218315023U (en) Novel unit for removing injection molding water gap
CN216189017U (en) Elastic sheet assembling device
CN219819979U (en) PCB board separator
CN220349034U (en) PVC sheet plastic uptake machine with punching function
CN219759312U (en) Resistor disc splitting device

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