CN116197567B - Automatic mechanism of borduring of steel grating board - Google Patents
Automatic mechanism of borduring of steel grating board Download PDFInfo
- Publication number
- CN116197567B CN116197567B CN202310499491.8A CN202310499491A CN116197567B CN 116197567 B CN116197567 B CN 116197567B CN 202310499491 A CN202310499491 A CN 202310499491A CN 116197567 B CN116197567 B CN 116197567B
- Authority
- CN
- China
- Prior art keywords
- limiting block
- supporting table
- steel grating
- baffle
- driving device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the technical field of steel grating plate edge covering equipment, in particular to an automatic steel grating plate edge covering mechanism, which comprises a conveying belt, wherein both sides of the conveying belt are respectively provided with a feeding mechanism and a welding mechanism, the feeding mechanism comprises a supporting table, the bottom of the supporting table is provided with a lifting device capable of driving the supporting table to lift, one side of the supporting table is provided with a first limiting block, the supporting table is provided with a second limiting block, the first limiting block and the second limiting block are oppositely arranged and enclose a groove capable of containing materials, the supporting table is provided with a long groove, and the second limiting block is positioned in the long groove.
Description
Technical Field
The invention relates to the technical field of steel grating plate edge covering equipment, in particular to an automatic steel grating plate edge covering mechanism.
Background
The steel grating plate is used as an important industrial product in the current life, is widely applied to the fields of sewer wellhead, fence and the like, and is required to be welded with the end face of the plate in the production process for edge covering treatment, the welded plate is called as an edge covering plate, and conventionally, workers adopt an electric welding technology for welding, but the method is low in efficiency.
In order to improve the working efficiency, a mechanical automatic edge covering mechanism is adopted at present, namely, a manipulator is used for automatically welding the steel grating plates, the working efficiency of the edge covering mechanism is higher than that of the traditional electric welding technology, but the problem that the end faces of the steel plates and the steel grating plates cannot be accurately aligned to cause welding failure exists, and the welding efficiency still needs to be improved.
Therefore, it is necessary to provide an automatic edge covering mechanism for steel grating plates, so as to ensure that the steel plates can be aligned with the end surfaces of the steel grating plates accurately, and improve welding efficiency.
Disclosure of Invention
The invention aims to solve the problem that the welding efficiency is low due to the fact that the existing edge covering mechanism cannot align the edge covering plate with the end face of a steel grating plate, and provides an automatic edge covering mechanism for the steel grating plate.
The technical scheme of the invention is as follows:
the automatic steel grating plate edge covering mechanism comprises a conveyor belt, wherein a feeding mechanism and a welding mechanism are arranged on two sides of the conveyor belt, the feeding mechanism comprises a supporting table, a lifting device capable of driving the supporting table to lift is arranged at the bottom of the supporting table, a first limiting block is arranged on one side of the supporting table, a second limiting block is arranged on the supporting table, and the first limiting block and the second limiting block are oppositely arranged and form a groove capable of containing materials;
the support table is provided with a long groove, the second limiting block is positioned in the long groove, the support table is provided with a first driving device, and the first driving device drives the second limiting block to move in the long groove and enables the second limiting block to be close to or far away from the first limiting block.
Further, a first baffle is arranged at one end of the groove and is fixedly connected with the supporting table, and a second baffle is arranged at the other end of the groove;
the supporting table is provided with a second driving device, and the second driving device drives the second baffle plate to move on the supporting table so as to enable the second baffle plate to be close to or far away from the first baffle plate.
Further, the second driving device comprises a screw rod and a screw nut connected with the screw rod, the screw nut is arranged on the second baffle, a rocking handle is arranged at one end of the screw rod, and the screw rod rotates to drive the second baffle to move.
Further, elevating gear includes flexible jar and base, and flexible jar is located the bottom of base, the supporting bench is located the top of base, base and supporting bench sliding connection are equipped with third drive arrangement between base and the supporting bench, and third drive arrangement drives the supporting bench and is close to or keep away from the conveyer belt.
Further, the second limiting block is provided with a plurality of, the bottom of the second limiting block is fixedly connected with a connecting rod, the first driving device is connected with the connecting rod, and the first driving device drives the connecting rod to move so that the second limiting block is close to or far away from the first limiting block.
Further, ground rail seats are arranged on two sides of the conveyor belt, ground rails are arranged at the bottoms of the ground rail seats, and the bottoms of the feeding mechanism and the welding mechanism are fixedly connected with the ground rail seats;
the ground rail seat on one side of the conveyor belt is locked and fixed relative to the ground rail, and the ground rail seat on the other side is driven by the ball screw to slide on the ground rail.
Further, the welding mechanism is a welding robot.
Further, two conveyor belts are arranged, and the two conveyor belts are arranged side by side in parallel.
According to the automatic steel grating plate edge covering mechanism, a plurality of edge covering plates are placed in the grooves, when the steel grating plates on the conveyor belt move, the lifting device drives the supporting table to lift, so that the first limiting block ascends from the bottom of the steel grating plates and penetrates into gaps of the steel grating plates, the first limiting block is motionless, the second limiting block is driven by the first driving device to be close to the first limiting block, the grooves can be narrowed, the second limiting block pushes the edge covering plates to move towards the first limiting block, the first limiting block is located in the gaps of the steel grating plates, and therefore the edge covering plates are firstly contacted with the steel grating plates under the pushing of the second limiting block.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is a reference diagram of the structure of the feeding mechanism of the present invention;
FIG. 4 is a top view of the loading mechanism of the present invention;
FIG. 5 is a front view of the loading mechanism of the present invention;
fig. 6 is a rear view of the loading mechanism of the present invention.
Reference numerals: 1. a conveyor belt; 2. a feeding mechanism; 3. a welding mechanism; 4. a support table; 5. a lifting device; 6. a first limiting block; 7. a second limiting block; 8. a groove; 9. a long groove; 10. a first driving device; 11. a first baffle; 12. a second baffle; 13. a second driving device; 14. a telescopic cylinder; 15. a base; 16. a connecting rod; 17. a ground rail seat; 18. a ground rail; 23. and a third driving device.
Detailed Description
In order to make the technical means, technical features, objects and technical effects of the present invention easy to understand, the present invention will be further described with reference to the specific drawings.
Embodiment one:
as shown in fig. 1 and 2, this embodiment provides an automatic steel grating plate edge wrapping mechanism, including a conveyor belt 1, both sides of the conveyor belt 1 are equipped with a feeding mechanism 2 and a welding mechanism 3, the feeding mechanism 2 includes a supporting table 4, the supporting table 4 bottom is equipped with a lifting device 5 that can drive the supporting table 4 to go up and down, one side of the supporting table 4 is equipped with a first stopper 6, be equipped with a second stopper 7 on the supporting table 4, first stopper 6 and second stopper 7 opposite direction setting and both enclose into the recess 8 that can place the material, set up elongated slot 9 on the supporting table 4, second stopper 7 is located elongated slot 9, be equipped with a drive arrangement 10 on the supporting table 4, first drive arrangement 10 drives second stopper 7 and makes second stopper 7 be close to or keep away from first stopper 6 in elongated slot 9, preferably, the lateral wall of first stopper 6 and supporting table 4 passes through the screw connection, and the recess 8 shape is rectangle, and elongated slot 9 is located between first stopper 6 and second stopper 7, and elongated slot 9 belongs to the fretwork through-hole on supporting table 4, and second stopper 7 is fixed to the base 15 from the bottom of supporting table 9 to be the first drive arrangement that makes the first stopper 10 upwards in the supporting table is preferred.
As shown in fig. 3 and fig. 4, preferably, one end of the groove 8 is provided with a first baffle 11, the first baffle 11 is connected with the supporting table 4 by a screw, the other end of the groove 8 is provided with a second baffle 12, the supporting table 4 is provided with a second driving device 13, the second driving device 13 drives the second baffle 12 to move on the supporting table 4 so as to enable the second baffle 12 to approach or depart from the first baffle 11, preferably, the second driving device 13 comprises a screw rod and a nut connected with the screw rod, the nut is arranged on the second baffle 12, one end of the screw rod is provided with a rocking handle, the screw rod rotates so as to drive the second baffle 12 to move, in particular, the rocking handle is manually rocked by a worker to rotate, then the screw rod is driven to rotate so as to enable the nut connected with the screw rod to move along the axis of the screw rod, and because the nut is fixed on the second baffle 12, the nut drives the second baffle 12 to move so as to clamp the edge covering plate in the groove 8 in the lateral direction, so that the edge covering plate can be aligned with the steel grid plate in the left and right directions.
Preferably, the lifting device 5 comprises a telescopic cylinder 14 and a base 15, the telescopic cylinder 14 is located at the bottom of the base 15, the supporting table 4 is located at the top of the base 15, the base 15 is slidably connected with the supporting table 4 through a guide rail, the guide rail is connected to the base 15 through a screw, a third driving device 23 is arranged between the base 15 and the supporting table 4, the third driving device 23 drives the supporting table 4 to be close to or far away from the conveyor belt 1, when the conveyor belt 1 transports a steel grating plate, firstly the lifting device 5 is lifted, the first limiting block 6 is inserted into a gap of the steel grating plate from the bottom of the steel grating plate, the edge covering plate and the steel grating plate are guaranteed to be at the same level, then the third driving device 23 controls the supporting table 4 to be close to the conveyor belt 1 through extension or contraction until the edge covering plate in the groove 8 is attached to the end of the steel grating plate, the third driving device 23 is an air cylinder, the third driving device 23 is fixed on the base 15 through a screw, and the vertical height of the supporting table 4 can be adjusted through the lifting device 5, and accordingly the edge covering plate can be aligned with the steel grating plate on the conveyor belt 1.
As shown in fig. 5 and fig. 6, preferably, the second limiting blocks 7 are plural, specifically, the second limiting blocks 7 are provided with eight second limiting blocks and are arranged at intervals, the intervals between the second limiting blocks 7 are the same, the bottom screw of the second limiting block 7 is connected with the connecting rod 16, the first driving device 10 is connected with the connecting rod 16 by screws, the first driving device 10 drives the connecting rod 16 to move so that all the second limiting blocks 7 are close to or far away from the first limiting block 6, specifically, the first limiting blocks 6 are provided with eight second limiting blocks and are arranged at intervals, and the intervals between the first limiting blocks 6 are the same.
Preferably, the two sides of the conveyor belt 1 are provided with the ground rail seat 17, the bottom of the ground rail seat 17 is provided with the ground rail 18, the bottom of the feeding mechanism 2 and the bottom of the welding mechanism 3 are connected with the ground rail seat 17 through screws, the ground rail seat 17 on one side of the conveyor belt 1 is relatively locked and fixed with the ground rail 18, the ground rail 18 is fixed on the ground through concrete or welding, the ground rail seat 17 on the other side of the conveyor belt 1 is driven by a ball screw to slide on the ground rail 18, the ground rail seat 17 on one side can slide to conveniently adjust the horizontal distance between the feeding mechanism 2 and the welding mechanism 3 relative to the conveyor belt 1, and the horizontal distance can be flexibly adjusted when steel grating plates with different widths are met, so that the equipment can edge the steel grating plates with different widths.
Preferably, the welding mechanism 3 is a welding robot, and the welding robot can be installed by using a model which is more mature in the market.
Preferably, two conveyor belts 1 are arranged, and the two conveyor belts 1 are arranged side by side in parallel.
When the automatic steel grating plate edge covering mechanism is used, a plurality of edge covering plates are placed in the grooves 8, when the steel grating plates on the conveying belt 1 are moved, firstly, the lifting device 5 drives the supporting table 4 to lift, so that the first limiting block 6 lifts up from the bottom of the steel grating plates and is inserted into gaps of the steel grating plates, when the horizontal height of the edge covering plates in the grooves 8 is at the same height as the steel grating plates, the lifting device 5 stops lifting, then the third driving device 23 drives the supporting table 4 to slide relative to the base 15, so that the supporting table 4 is close to the steel grating plates, until the edge covering plates in the grooves 8 are in contact with the steel grating plates on the conveying belt 1, then the welding mechanism 3 welds the edge covering plates with the steel grating plates together, the lifting device 5 drives the supporting table 4 to descend, the first limiting block 6 falls down from the gaps of the steel grating plates, the first limiting block 6 is prevented from obstructing the conveying belt 1 from conveying the steel grating plates which are already covered, finally, the first driving device 10 stops lifting, the second limiting block 7 is enabled to be far away from the first limiting block 6, and the steel grating plates are pressed by the upper grooves 1, and the two sides of the steel grating plates are completely welded by the welding mechanism when the two sides of the steel grating plates are lifted by the grooves 1, and the two sides of the steel grating plates are completely welded by the welding mechanism, and the two sides of the steel grating plates are completely pressed by the welding mechanism, and when the two sides of the edge covering plates are completely pressed by the upper side 1 and the two sides and the edge covering plates are completely and the upper and the device is completely pressed.
In the above process, the first limiting block 6 and the second limiting block 7 fix the edge covering plate in the groove 8 and compress tightly, so as to prevent loosening, specifically: the first stopper 6 is motionless, thereby second stopper 7 is driven by first drive arrangement 10 and is close to first stopper 6 and then makes recess 8 narrow, when there is the board of borduring in the recess 8, second stopper 7 promotes the board of borduring to first stopper 6 be close to the removal, the board of borduring contacts with first stopper 6 under the promotion of second stopper 7, the effect of anchor clamps has been played to second stopper 7 and second stopper 7, when making third drive arrangement 23 drive brace table 4 be close to the steel grating board, guarantee that the board of borduring can be compressed tightly and fix the tip at the steel grating board, the convenience welds.
According to the technical scheme, the lifting of the edge covering plate is realized through the lifting device 5, the edge covering plate and the steel grating plate are guaranteed to be positioned at the same height, the left and right directions of the edge covering plate can be aligned with the steel grating plate through the first baffle 11 and the second baffle 12, the edge covering plate and the steel grating plate are attached through the cooperation of the second limiting block 7 and the first limiting block 6, and the front and back alignment is realized, so that the technical scheme ensures the welding success rate and improves the welding efficiency.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Equivalent changes and modifications of the invention are intended to fall within the scope of the present invention.
Claims (6)
1. The utility model provides an automatic mechanism of borduring of steel grating board, includes conveyer belt (1), and the both sides of conveyer belt (1) all are equipped with feed mechanism (2) and welding mechanism (3), its characterized in that: the feeding mechanism (2) comprises a supporting table (4), a lifting device (5) capable of driving the supporting table (4) to lift is arranged at the bottom of the supporting table (4), a first limiting block (6) is arranged on one side of the supporting table (4), a second limiting block (7) is arranged on the supporting table (4), and the first limiting block (6) and the second limiting block (7) are oppositely arranged and form a groove (8) capable of containing materials;
the support table (4) is provided with a long groove (9), the second limiting block (7) is positioned in the long groove (9), the support table (4) is provided with a first driving device (10), and the first driving device (10) drives the second limiting block (7) to move in the long groove (9) and enables the second limiting block (7) to be close to or far away from the first limiting block (6);
one end of the groove (8) is provided with a first baffle (11), the first baffle (11) is fixedly connected with the supporting table (4), the other end of the groove (8) is provided with a second baffle (12), the supporting table (4) is provided with a second driving device (13), and the second driving device (13) drives the second baffle (12) to move on the supporting table (4) so as to enable the second baffle (12) to be close to or far away from the first baffle (11);
lifting device (5) are including flexible jar (14) and base (15), and flexible jar (14) are located the bottom of base (15), brace table (4) are located the top of base (15), base (15) and brace table (4) sliding connection are equipped with third drive arrangement (23) between base (15) and brace table (4), and third drive arrangement (23) drive brace table (4) are close to or keep away from conveyer belt (1).
2. The automatic steel grating plate edge covering mechanism according to claim 1, wherein: the second driving device (13) comprises a screw rod and a screw nut connected with the screw rod, the screw nut is arranged on the second baffle (12), a rocking handle is arranged at one end of the screw rod, and the screw rod rotates to drive the second baffle (12) to move.
3. The automatic steel grating plate edge covering mechanism according to claim 1, wherein: the second limiting blocks (7) are provided with a plurality of limiting blocks, connecting rods (16) are fixedly connected to the bottoms of the second limiting blocks (7), the first driving device (10) is connected with the connecting rods (16), and the first driving device (10) drives the connecting rods (16) to move so that the second limiting blocks (7) are close to or far away from the first limiting blocks (6).
4. The automatic steel grating plate edge covering mechanism according to claim 1, wherein: the two sides of the conveyor belt (1) are provided with ground rail seats (17), the bottom of each ground rail seat (17) is provided with a ground rail (18), and the bottom of the feeding mechanism (2) and the bottom of the welding mechanism (3) are fixedly connected with the ground rail seats (17);
the ground rail seat (17) on one side of the conveyor belt (1) and the ground rail (18) are relatively locked and fixed, and the ground rail seat (17) on the other side is driven by a ball screw to slide on the ground rail (18).
5. The automatic steel grating plate edge covering mechanism according to claim 1, wherein: the welding mechanism (3) is a welding robot.
6. The automatic steel grating plate edge covering mechanism according to claim 1, wherein: the two conveyor belts (1) are arranged, and the two conveyor belts (1) are arranged side by side in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310499491.8A CN116197567B (en) | 2023-05-06 | 2023-05-06 | Automatic mechanism of borduring of steel grating board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310499491.8A CN116197567B (en) | 2023-05-06 | 2023-05-06 | Automatic mechanism of borduring of steel grating board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116197567A CN116197567A (en) | 2023-06-02 |
| CN116197567B true CN116197567B (en) | 2023-08-15 |
Family
ID=86509853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310499491.8A Active CN116197567B (en) | 2023-05-06 | 2023-05-06 | Automatic mechanism of borduring of steel grating board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116197567B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06170587A (en) * | 1992-11-30 | 1994-06-21 | Koike Sanso Kogyo Co Ltd | Positioner and odd-shape bh shape steel welding equipment using the same |
| JPH06234069A (en) * | 1993-02-10 | 1994-08-23 | Yokokawa Buritsuji:Kk | Assembling device for h-type structure |
| CN102500877A (en) * | 2011-09-23 | 2012-06-20 | 新兴铸管股份有限公司 | Welding method for grid composite plates |
| CN102601570A (en) * | 2012-03-22 | 2012-07-25 | 中联重科股份有限公司 | Head-tail type position changing machine set |
| CN113894458A (en) * | 2021-11-03 | 2022-01-07 | 浙江九树机械有限公司 | Fixing process and fixing device for manufacturing pressure container |
| CN217618620U (en) * | 2022-07-12 | 2022-10-21 | 河北宏泰专用汽车有限公司 | Seal head assembly welding workstation |
| CN218695234U (en) * | 2022-08-15 | 2023-03-24 | 江苏靖宁智能制造有限公司 | Automatic welding system of steel structure robot |
-
2023
- 2023-05-06 CN CN202310499491.8A patent/CN116197567B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06170587A (en) * | 1992-11-30 | 1994-06-21 | Koike Sanso Kogyo Co Ltd | Positioner and odd-shape bh shape steel welding equipment using the same |
| JPH06234069A (en) * | 1993-02-10 | 1994-08-23 | Yokokawa Buritsuji:Kk | Assembling device for h-type structure |
| CN102500877A (en) * | 2011-09-23 | 2012-06-20 | 新兴铸管股份有限公司 | Welding method for grid composite plates |
| CN102601570A (en) * | 2012-03-22 | 2012-07-25 | 中联重科股份有限公司 | Head-tail type position changing machine set |
| CN113894458A (en) * | 2021-11-03 | 2022-01-07 | 浙江九树机械有限公司 | Fixing process and fixing device for manufacturing pressure container |
| CN217618620U (en) * | 2022-07-12 | 2022-10-21 | 河北宏泰专用汽车有限公司 | Seal head assembly welding workstation |
| CN218695234U (en) * | 2022-08-15 | 2023-03-24 | 江苏靖宁智能制造有限公司 | Automatic welding system of steel structure robot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116197567A (en) | 2023-06-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205397379U (en) | Automatic plate feeder | |
| CN203282151U (en) | Automation riveting machine of cooling fin fixing feet | |
| CN108705608B (en) | Full-automatic wood cutting equipment | |
| CN112157549B (en) | Automatic machining production line for drum brake pads | |
| CN109650025A (en) | Cutting agency for fully-automatic laser marking press equipment | |
| CN116197567B (en) | Automatic mechanism of borduring of steel grating board | |
| CN212980648U (en) | Liquid filling machine | |
| CN220575053U (en) | Automatic assembly equipment for steel grating plates and edge-covered flat steel | |
| CN110774439A (en) | Track plate spiral rib sleeve mounting machine | |
| CN209880562U (en) | Width-adjustable feeding device with plate returning function | |
| CN105398814A (en) | Movement feeding device for power ageing line | |
| CN215471735U (en) | Carving machine with automatic feeding function | |
| CN212286341U (en) | Exchange workbench type laser cutting machine | |
| CN212021032U (en) | Drilling and conveying device for cuboid battens | |
| CN211334318U (en) | Automatic feeding and discharging device for rubber coating of button part | |
| CN210190629U (en) | Welding device for plastic window frame section bar | |
| CN109227114B (en) | Automatic installation device and method for hollow elevator guide rail connecting piece | |
| CN111805098A (en) | Exchange workbench type laser cutting machine | |
| CN112976482A (en) | Automatic feeding and discharging device for rubber coating of button part | |
| CN218193616U (en) | AB foot assembly mechanism | |
| CN211440531U (en) | Track plate spiral rib sleeve mounting machine | |
| CN213415124U (en) | Blank arranging machine with movable turnover blank warehouse | |
| CN110434240B (en) | Automatic installing machine for toothed edge floating valve of chemical tower tray | |
| CN220161599U (en) | Automatic welding device for metal sheets | |
| CN219812315U (en) | Semi-automatic TWO PIN 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |