CN114030818A - Flexible steel reinforcement cage traction machine - Google Patents

Flexible steel reinforcement cage traction machine Download PDF

Info

Publication number
CN114030818A
CN114030818A CN202111451919.9A CN202111451919A CN114030818A CN 114030818 A CN114030818 A CN 114030818A CN 202111451919 A CN202111451919 A CN 202111451919A CN 114030818 A CN114030818 A CN 114030818A
Authority
CN
China
Prior art keywords
reinforcement cage
traction
steel reinforcement
claw
connecting plate
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
CN202111451919.9A
Other languages
Chinese (zh)
Inventor
胡刚锋
刘紫敬
刘付钧
曾贤根
李祖保
曾知超
方洪飞
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.)
RBS Partners S&T Co Ltd
Original Assignee
RBS Partners S&T 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 RBS Partners S&T Co Ltd filed Critical RBS Partners S&T Co Ltd
Priority to CN202111451919.9A priority Critical patent/CN114030818A/en
Publication of CN114030818A publication Critical patent/CN114030818A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/52Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices

Abstract

The invention discloses a flexible steel reinforcement cage traction machine which comprises a rack, wherein a chain transmission mechanism and a traction support mechanism for steel reinforcement cage transmission are arranged on the rack, a steel reinforcement cage guide component parallel to the transmission direction of the chain transmission mechanism is arranged on one side of the rack, a traction moving component for traction of a steel reinforcement cage is arranged on the traction support mechanism, and a clamping assembly is arranged above the traction moving component. This flexible steel reinforcement cage traction machine, compare in the complete manual production operation mode of traditional workman, because whole traction mobile device possesses the clamp of stirrup and gets fixedly and traction effect, it possesses semi-automatization or cooperates other automatic welding and charging apparatus to realize full automated production ability, workman intensity of labour and workman quantity can be alleviateed to great range, do benefit to and reduce enterprise's recruitment cost, come out the workman from heavy physical labor, and its production efficiency and factor of safety also have great range to improve.

Description

Flexible steel reinforcement cage traction machine
Technical Field
The invention relates to the technical field of construction robots, in particular to a flexible reinforcement cage traction machine.
Background
The steel reinforcement cage is as the skeleton of building, comprises stirrup and vertical muscle, plays main load-carrying effect, and is huge at the construction in-process use amount, and at present, the steel reinforcement cage mainly adopts steel wire ligature or welding process processing to form, specifically will indulge muscle and stirrup and carry out nested equipment and mobile location through the workman specifically, then operate welding equipment or steel wire ligature and connect the stirrup as an organic whole with indulging the muscle.
This traditional manual operation mode not only needs a large amount of workman, and the steel reinforcement cage specification differs moreover, and the manual work is put the interval and is differed, influences steel reinforcement cage use strength, and intensity of labour is big simultaneously, and production efficiency is low, and single, tedious repeated work flow also does not benefit to workman physical and mental health, has the safety risk.
Disclosure of Invention
The invention aims to provide a flexible steel reinforcement cage traction machine which can accurately traction steel reinforcement cages of different specifications and improve the production efficiency.
The utility model provides a flexible steel reinforcement cage traction machine, includes the frame, be equipped with chain transmission device and the traction support mechanism that is used for the steel reinforcement cage transmission in the frame, just frame one side is equipped with the steel reinforcement cage guide part that is on a parallel with chain transmission device direction of transfer, chain transmission device and traction support mechanism are parallel relatively, be equipped with on the traction support mechanism and pull the removal part that pulls that is used for pulling the steel reinforcement cage, the top of pulling the removal part is provided with to press from both sides gets the subassembly.
Preferably, the rack comprises a transverse support and a longitudinal support, the longitudinal support is provided with a first slide rail and a first rack, the chain transmission mechanism drives a first transmission gear to move in a meshing manner with the first rack through a first driving motor, so that the chain transmission mechanism is driven to slide on the first slide rail, and the traction support mechanism drives a second transmission gear to move in a meshing manner with the first rack through a second driving motor, so that the traction support mechanism is driven to slide on the first slide rail.
As preferred, be equipped with second slide rail and second rack on the support mechanism pulls, pull the moving part and drive third driving tooth and carry out the meshing motion with the second rack through third driving motor to it slides as preferred to drive and pull the moving part on the second slide rail, pull the moving part and include sliding connection in the supporting seat at support mechanism top, top one side of supporting seat is provided with the rotation fulcrum, one side movable mounting of rotation fulcrum has the connecting plate, one side of supporting seat articulates and is provided with the upset cylinder, the output and the connecting plate of upset cylinder rotate and be connected.
Preferably, a connecting rod is rotatably arranged between the connecting plate and the supporting seat, a hook claw driving motor is arranged on one side of the connecting plate, a screw rod is arranged at the output end of the hook claw driving motor, and a nut is sleeved on the surface of the screw rod.
Preferably, the clamping assembly comprises claw hooking cylinders arranged on the connecting plate and close to the top and the bottom, guide limit blocks are arranged on telescopic end guide rods of the claw hooking cylinders, and an upper claw hook and a lower claw hook are arranged on the inner sides of the guide limit blocks, close to the top and the bottom, of the connecting plate respectively.
Preferably, the surfaces of the connecting plates corresponding to the upper hook claw and the lower hook claw are respectively provided with a guide groove, the inner sides of the guide grooves are respectively movably provided with a roller, the rollers are respectively connected with the corresponding upper hook claw and the corresponding lower hook claw, and the guide grooves are divided into straight line segments and oblique line segments.
Preferably, the surface of the connecting plate on one side of the upper hook claw is provided with a guide rail, and the nut is connected with the hook claw cylinder on the upper hook claw.
Preferably, the number of the chain transmission mechanisms and the number of the traction support mechanisms are two.
Preferably, one end of the supporting seat, which is far away from the supporting plate, is provided with a one-way check assembly, and the clamping assembly is used for clamping stirrups of the steel reinforcement cage.
Compared with the prior art, the invention has the beneficial effects that:
this flexible steel reinforcement cage traction machine, compare in the complete manual production operation mode of traditional workman, because whole traction mobile device possesses the clamp of stirrup and gets fixedly and traction effect, it possesses semi-automatization or cooperates other automatic welding and charging apparatus to realize full automated production ability, workman intensity of labour and workman quantity can be alleviateed to great range, do benefit to and reduce enterprise's recruitment cost, come out the workman from heavy physical labor, and its production efficiency and factor of safety also have great range to improve.
This flexible steel reinforcement cage traction machine, chain transmission mechanism and traction supporting mechanism are adjustable to the relevant position that is fit for the steel reinforcement cage specification through first driving motor and second driving motor respectively, can adapt to the individualized demand of various flexibility of steel reinforcement cage on the production line, and can satisfy the steel reinforcement cage and realize pressing from both sides the accurate traction of back on producing the line through steel reinforcement cage guiding component, draw the back that targets in place, it can carry out 90 upset foldings to pull the removal part, when the steel reinforcement cage is not down circulated, can freely remove at the steel reinforcement cage bottom, do not influence the existence of the technology operation chain board line of station, rethread one-way non return subassembly head jack catch promotes the stirrup of steel reinforcement cage and continues to advance thereby carry out the unloading or circulate to next station, and chain transmission mechanism has greatly reduced on-the-spot noise through the existence of chain board line, the life of machine has been improved greatly.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic view of the structure of the traction moving part of the present invention;
FIG. 3 is a side view of a web portion of the present invention;
FIG. 4 is a schematic view of the position relationship of the traction moving element and the chain transmission mechanism of the present invention;
FIG. 5 is a schematic view of a reinforcement cage guide and reinforcement cage connection configuration of the present invention;
FIG. 6 is a side view of the overall structure of the present invention;
FIG. 7 is a schematic view of the inner side of the connecting plate of the present invention;
fig. 8 is a partial schematic view of the grasping assembly 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. 1-8, the present invention provides a technical solution: the utility model provides a flexible steel reinforcement cage traction machine, includes the frame, is equipped with chain transmission device 1 and the traction supporting mechanism 23 that is used for the transmission of steel reinforcement cage 4 in the frame, and frame one side is equipped with the steel reinforcement cage guide part 3 that is on a parallel with chain transmission device direction of transfer, and chain transmission device is parallel relatively with traction supporting mechanism, be equipped with on the traction supporting mechanism and pull the removal part 2 that pulls and be used for pulling the steel reinforcement cage, the top of pulling the removal part is provided with to press from both sides gets subassembly 7, presss from both sides the subassembly and is used for pressing from both sides the stirrup 4-1 of getting the steel reinforcement cage.
The frame includes horizontal support and vertical support 22, be equipped with first slide rail and first rack on the vertical support, chain transmission mechanism does not have the installation power supply itself, drives first drive gear and first rack through first driving motor and carries out the engaged motion to drive chain transmission mechanism and slide to different positions on first slide rail, thereby satisfy the demand of different steel reinforcement cage specifications, pull supporting mechanism and drive second drive gear and carry out the engaged motion with first rack through the drive of second driving motor, thereby it slides on first slide rail to drive to pull supporting mechanism.
The traction support mechanism is provided with a second slide rail and a second rack, the traction moving part drives a third transmission gear to perform meshing motion with the second rack through a third driving motor 2-10, so that the traction moving part is driven to slide on the second slide rail, and the sliding traction moving part pulls the reinforcement cage to be transmitted through the chain transmission mechanism.
The traction moving part is mainly used for clamping the stirrups 4-1 and controlling the moving distance of the reinforcement cage 4 through the driving of a third driving motor. Each traction moving part 2 is provided with 2 clamping points, two clamping components are fixed, one can be driven by a claw-hooking driving motor 2-3 to be adjusted up and down on a guide rail 19, so as to meet the requirements of reinforcement cages 4 with different heights, and the whole traction moving part can rotate for 90 degrees at the same time, so that the traction mechanism can freely move at the bottom of the reinforcement cage 4 without influencing the blanking circulation of the reinforcement cage 4, a reinforcement cage guide part 3 at one side of a rack can effectively ensure that the reinforcement cage 4 can linearly walk in the advancing direction without generating the phenomenon of deviation, the top of the traction moving part is provided with the reinforcement cage, the traction moving part comprises a support seat 6 which is slidably connected with a traction support mechanism, one side of the top of the support seat is provided with a rotating fulcrum 2-6, one side of the rotating fulcrum is movably provided with a connecting plate 5, and one side of the support seat is hinged with a turning cylinder 2-5, the output and the connecting plate of upset cylinder rotate to be connected, possess semi-automatization or cooperate other automatic welding and charging equipment to realize full automated production ability.
A connecting rod 2-4 is rotatably arranged between the connecting plate and the supporting seat, a hook claw driving motor is arranged on one side of the connecting plate, a screw rod 18 is arranged at the output end of the hook claw driving motor, a nut 21 is sleeved on the surface of the screw rod, the number of the chain transmission mechanism 1 and the traction supporting mechanism 18 is two, so that two groups of traction moving parts are provided, the stability of traction grabbing is better, the efficiency is higher, one end of the supporting seat far away from the connecting plate is provided with a one-way non-return assembly 2-9, a head clamping jaw of the one-way non-return assembly can be utilized to push stirrups of a reinforcement cage to continuously advance so as to carry out blanking or transfer to the next station, when a hook claw cylinder acts, the hook claw clamps or releases the stirrups under the action of a guide groove, and after the hook claw is clamped in place, a third driving motor rotates to drive the traction moving parts, the first row of the clamped stirrups and the longitudinal reinforcements to move for a certain distance, after the steel reinforcement cage is moved in place, the stirrups in the second row of the steel reinforcement cage can be welded or bundled, meanwhile, a traction moving part can realize the side fall prevention through a connecting rod 2-4 when moving, a clamping assembly 7 comprises claw hooking cylinders 2-7 which are arranged at the top and the bottom of a connecting plate, guide limit blocks 11 are arranged on telescopic end guide rods of the claw hooking cylinders, upper claw hooks 2-2 and lower claw hooks 2-1 are respectively arranged at the inner sides of the guide limit blocks 11 which are arranged at the top and the bottom of the connecting plate, guide grooves 2-8 are respectively arranged on the surfaces of the connecting plates corresponding to the upper claw hooks and the lower claw hooks, idler wheels 12 are movably arranged at the inner sides of the guide grooves 2-8, the idler wheels are respectively connected with the corresponding upper claw hooks and the lower claw hooks, and the guide grooves are divided into straight line sections and oblique line sections, so that the claw hooks can move left and right on the inner sides of the guide limit blocks 11, and the opening degree of the claw hooks can be adjusted in real time, the surface of the connecting plate on one side of the upper hook claw is provided with a guide rail, the nut is connected with a hook claw cylinder at the position of the upper hook claw, the lead screw 18 can be driven to rotate by the hook claw driving motor 2-3, and meanwhile, the lead screw drives the nut to move, so that the upper hook claw is driven to move up and down to be adjusted, and the clamping requirements of reinforcement cages with different heights are met.
The working principle is as follows: when the production line is started, the two chain transmission mechanisms 1 and the two traction support mechanisms respectively move to the positions suitable for the specification of the reinforcement cage to stop under the drive of the first drive motor and the second drive motor, the upper hook 2-2 drives the screw rod to rotate through the hook drive motor, so that the upper hook slides to the corresponding position suitable for the specification of the reinforcement cage 4 on the clamping guide rail, the two traction moving parts 2 both stop at one position to wait for a traction instruction, when the first row of stirrups and the longitudinal reinforcements of the reinforcement cage reach traction designated positions through welding or bundling, the traction instruction is sent, the two traction moving parts 2 move to be in contact with the first row of stirrups after obtaining the instruction, the lower hook 2-1 is connected with the air cylinder 2-7, meanwhile, the inclined guide grooves 2-8 are arranged on the mounting plate, the guide grooves are provided with rollers connected with the hooks, so when the air cylinder acts, the hook claw clamps or loosens the stirrups 4-1 under the action of the guide groove, the hook claw 2-2 is similar to the hook claw, after the hook claw is clamped in place, the third driving motor 2-10 rotates to drive the traction moving part, the clamped first row of stirrups and the clamped longitudinal reinforcements to move for a certain distance on the traction supporting mechanism 23, after the hook claw moves in place, welding or bundling of the second row of stirrups of the reinforcement cage can be performed, meanwhile, the traction moving part realizes side falling prevention through the connecting rod 2-4 during moving, and all the stirrups and the longitudinal reinforcements are welded or bundled together in sequence in a circulating mode to form the reinforcement cage. Then the hook claw loosens the steel reinforcement cage, the rotary cylinder 2-5 contracts to enable the clamping assembly to rotate around the pivot 2-6 along with the connecting plate, so that the clamping assembly rotates by 90 degrees and is overlapped with the supporting seat, the traction moving part can freely move at the bottom of the steel reinforcement cage, the tail part of the traction moving part is provided with a one-way check assembly, and the head claw of the check assembly 2-9 is utilized to push the stirrup 4-1 of the steel reinforcement cage to continuously advance so as to carry out blanking or transfer to the next station.
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 (10)

1. The utility model provides a flexible steel reinforcement cage traction machine, includes the frame, be equipped with chain transmission device (1) and the supporting mechanism (23) that pull that are used for the steel reinforcement cage transmission in the frame, just frame one side is equipped with steel reinforcement cage guide part (3) that are on a parallel with chain transmission device direction of transfer, chain transmission device is parallel relatively with the supporting mechanism that pulls, it pulls moving part (2) that are used for pulling the steel reinforcement cage to pull to be equipped with on the supporting mechanism, the top of pulling moving part (2) is provided with to press from both sides and gets subassembly (7).
2. A flexible reinforcement cage pulling apparatus as set forth in claim 1, wherein: the frame includes horizontal support and vertical support (22), be equipped with first slide rail and first rack on the vertical support, chain transmission device drives first drive gear and carries out the engaged motion with first rack through first driving motor to drive chain transmission device and slide on first slide rail, pull supporting mechanism and drive second drive gear and carry out the engaged motion with first rack through the drive of second driving motor, thereby drive and pull supporting mechanism and slide on first slide rail.
3. A flexible reinforcement cage pulling apparatus as set forth in claim 1, wherein: the traction support mechanism is provided with a second slide rail and a second rack, and the traction moving part drives a third transmission gear to perform meshing motion with the second rack through a third driving motor (2-10), so that the traction moving part is driven to slide on the second slide rail.
4. A flexible reinforcement cage pulling apparatus as set forth in claim 1, wherein: the traction moving part comprises a supporting seat (6) which is connected to the top of the traction supporting mechanism in a sliding mode, a rotating fulcrum (2-6) is arranged on one side of the top of the supporting seat, a connecting plate (5) is movably mounted on one side of the rotating fulcrum, an overturning air cylinder (2-5) is hinged to one side of the supporting seat, and the output end of the overturning air cylinder is rotatably connected with the connecting plate.
5. A flexible reinforcement cage pulling apparatus as set forth in claim 4, wherein: a connecting rod (2-4) is rotatably arranged between the connecting plate and the supporting seat, a claw hooking driving motor (2-3) is arranged on one side of the connecting plate (5), a screw rod (18) is arranged at the output end of the claw hooking driving motor, and a nut (21) is sleeved on the surface of the screw rod.
6. A flexible reinforcement cage pulling apparatus as set forth in claim 5, wherein: the clamping assembly (7) comprises claw hooking cylinders (2-7) which are arranged on the connecting plate and are close to the top and the bottom, guide limit blocks (11) are arranged on telescopic end guide rods of the claw hooking cylinders, and an upper claw hooking cylinder (2-2) and a lower claw hooking cylinder (2-1) are respectively arranged on the inner sides of the guide limit blocks (11) of the connecting plate and are close to the top and the bottom.
7. A flexible reinforcement cage pulling apparatus as set forth in claim 6, wherein: guide grooves (2-8) are formed in the surfaces of the connecting plates corresponding to the upper hook claw and the lower hook claw, idler wheels (12) are movably mounted on the inner sides of the guide grooves (2-8), the idler wheels are respectively connected with the corresponding upper hook claw and the corresponding lower hook claw, and the guide grooves are divided into straight line segments and inclined line segments.
8. A flexible reinforcement cage pulling apparatus as set forth in claim 7, wherein: the surface of the connecting plate on one side of the upper hook claw is provided with a guide rail (19), and the nut is connected with the hook claw cylinder at the upper hook claw.
9. A flexible reinforcement cage pulling apparatus as set forth in claim 1, wherein: the number of the chain transmission mechanisms and the number of the traction supporting mechanisms are two.
10. A flexible reinforcement cage pulling apparatus as set forth in claim 4, wherein: one end of the supporting seat, which is far away from the connecting plate, is provided with a one-way non-return assembly (2-9), and the clamping assembly is used for clamping stirrups (4-1) of the reinforcement cage.
CN202111451919.9A 2021-11-30 2021-11-30 Flexible steel reinforcement cage traction machine Pending CN114030818A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111451919.9A CN114030818A (en) 2021-11-30 2021-11-30 Flexible steel reinforcement cage traction machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111451919.9A CN114030818A (en) 2021-11-30 2021-11-30 Flexible steel reinforcement cage traction machine

Publications (1)

Publication Number Publication Date
CN114030818A true CN114030818A (en) 2022-02-11

Family

ID=80139444

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111451919.9A Pending CN114030818A (en) 2021-11-30 2021-11-30 Flexible steel reinforcement cage traction machine

Country Status (1)

Country Link
CN (1) CN114030818A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114700446A (en) * 2022-05-07 2022-07-05 中国核工业电机运行技术开发有限公司 Reinforcing cage binding and forming production line

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114700446A (en) * 2022-05-07 2022-07-05 中国核工业电机运行技术开发有限公司 Reinforcing cage binding and forming production line
CN114700446B (en) * 2022-05-07 2023-06-20 中国核工业电机运行技术开发有限公司 Reinforcement cage binding and forming production line

Similar Documents

Publication Publication Date Title
CN201931069U (en) Automatic material taking mechanical hand
CN201711452U (en) Two-way automatic moving steel bar bending machine
CN207387204U (en) A kind of numerically-controlled machine tool industrial robot automatic loading/unloading production line
CN114030818A (en) Flexible steel reinforcement cage traction machine
CN106927074A (en) A kind of intelligent paper tube recrater
CN201558918U (en) Mesh pulling driving device of mesh welding machine
CN205739548U (en) A kind of packed packing materials intelligence entrucking robot
CN216806875U (en) Flexible steel reinforcement cage traction machine
CN109079518A (en) A kind of web plate bent jointing machine
CN211464614U (en) Numerical control punch with automatic feeding and discharging equipment
CN209239481U (en) Web plate bent jointing machine
CN217343339U (en) Full-automatic bending production line for steel bars
CN2609685Y (en) Straightening cutting machine for building reinforced bar
CN114211764B (en) Automatic system suitable for installation of aerated brick production line net cage buckle
CN109466922A (en) A kind of tablet transportation system of novel forming machine
CN111959854B (en) Reinforcing bar pad bundling device for building
CN210312214U (en) Finished bar bundle transferring device
CN106736072A (en) A kind of welding guiding mechanism for automatically moving
CN208071148U (en) A kind of stiff arms formula vehicle frame overturning machine
CN211768793U (en) Pipe feeding machine
CN207952940U (en) Laser welding material flow line
CN2863381Y (en) Robot unit
CN206425716U (en) A kind of welding guiding mechanism automatically moved
CN212147512U (en) Automatic get design bung device
CN112059044A (en) Auxiliary feeding and discharging device of numerical control synchronous bending machine

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