CN109848598B - Semi-automatic surfacing welding machine for repairing welding of steel-making slab fan-shaped section roller - Google Patents
Semi-automatic surfacing welding machine for repairing welding of steel-making slab fan-shaped section roller Download PDFInfo
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- CN109848598B CN109848598B CN201910100180.3A CN201910100180A CN109848598B CN 109848598 B CN109848598 B CN 109848598B CN 201910100180 A CN201910100180 A CN 201910100180A CN 109848598 B CN109848598 B CN 109848598B
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Abstract
A semi-automatic surfacing welding machine for roller surfacing welding of a steel-making slab sector section belongs to the technical field of roller surfacing welding of steel-making slab sector sections. The welding gun comprises a low-speed variable-frequency motor (1), a speed reducer (2), a first driving riding wheel (3), a main transmission shaft (4), a second driving riding wheel (5), a first driven riding wheel (6), a second driven riding wheel (7), a rolling bearing (8), a base (9), a guide rail (10), a fixing bracket (11), a sliding bracket (12), a welding gun fixture (13), a first slideway (14), a second slideway (15), a lead screw (16), a hand wheel (17), a driving cover (18), a fixed end riding wheel cover (19), a movable end riding wheel cover (20), a carbon brush (22), a control system (23), a power switch (24), a speed regulating switch (25) and a steering switch (26). The roller repairing method has the advantages that welding materials can be saved, and the roller repairing operation efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of repair welding of a steel-making slab fan-shaped section roller, and particularly relates to a semi-automatic build-up welding machine for repair welding of the steel-making slab fan-shaped section roller. The method is suitable for repair welding of the sector roller of the steel-making slab caster.
Background
When the roller at the sector section of the slab caster is repaired off line, most of the rollers have discontinuous cracks after a fatigue layer is turned, the cracks are completely turned and removed and then can be built by welding, turning grooves with the thickness of 5 mm-10 mm are left after the cracks are turned and removed, the turning grooves need to be filled by welding first when the automatic build-up welding machine is directly used for build-up welding, and the build-up welding operation of the whole roller can be carried out after a build-up welding bead is completely cooled, so that welding materials are wasted and the operation efficiency of the automatic build-up welding machine is reduced.
Disclosure of Invention
The invention aims to provide a semi-automatic surfacing welding machine for repairing welding of a steel-making plate blank fan-shaped section roller, which solves the problems of high consumption of welding materials and low operation efficiency when an automatic surfacing welding machine is used for surfacing a turning groove of the fan-shaped section roller. The method provides guarantee for the off-line repair of the segment roller, can save welding materials, reduce the repair cost, shorten the repair time and improve the repair efficiency.
The welding gun welding device comprises a low-speed variable-frequency motor 1, a speed reducer 2, a first driving riding wheel 3, a main transmission shaft 4, a second driving riding wheel 5, a first driven riding wheel 6, a second driven riding wheel 7, a rolling bearing 8, a base 9, a guide rail 10, a fixing bracket 11, a sliding bracket 12, a welding gun clamp 13, a first slideway 14, a second slideway 15, a lead screw 16, a hand wheel 17, a driving cover 18, a fixed end riding wheel cover 19, a movable end riding wheel cover 20, a carbon brush 22, a control system 23, a power switch 24, a speed regulating switch 25 and a steering switch 26. A low-speed variable-frequency motor 1, a speed reducer 2, a fixed bracket 11, a first slideway 14, a second slideway 15 and a guide rail 10 are arranged on a base 9, a movable bracket 12 is arranged on the guide rail 10, a first driving riding wheel 3, a first driven riding wheel 6 and a fixed end riding wheel cover 19 are arranged on the fixed bracket 11, a second driving riding wheel 5, a second driven riding wheel 7 and a movable end riding wheel cover 20 are arranged on the movable bracket 12, a welding gun clamp 13 and a lead screw 16 are arranged on the first slideway 14 and the second slideway 15, a main transmission shaft 4 is arranged at the centers of the first driving riding wheel 3 and the second driving riding wheel 5 through a rolling bearing 8, a hand wheel 17 is arranged on the lead screw 16, a driving cover 18 is arranged on the low-speed variable-frequency motor 1 and the speed reducer 2, a control system 23, a power switch 24, a speed regulating switch 25 and a steering switch 26 are arranged on the driving cover 18, and a carbon brush is.
The innovation points of the invention are as follows:
firstly, realizing uniform rotation of a fan-shaped section roller 21 and length conversion of the fan-shaped section roller 21 through a low-speed variable frequency motor 1, a speed reducer 2, a driving riding wheel I3, a main transmission shaft 4, a driving riding wheel II 5, a driven riding wheel I6, a driven riding wheel II 7, a rolling bearing 8, a guide rail 10, a fixed bracket 11 and a sliding bracket 12;
secondly, the first slideway 14, the second slideway 15, the screw rod 16 and the hand wheel 17 are manually matched to realize the stable operation of the welding gun fixture 13 and the matching between the operation speed of the welding gun fixture 13 and the rotation speed of the sector roller 21;
the parts are fixed into a whole through the base 9 again, and the safety protection is realized through the driving cover 18, the fixed end riding wheel cover 19 and the movable end riding wheel cover 20 to form a semi-automatic surfacing machine;
finally, the stop and start of the semi-automatic surfacing machine, the variable frequency speed regulation and the positive and negative rotation of the sector rollers 21 are realized through a power switch 24, a speed regulation switch 25 and a steering switch 26 in the control system 23, and the equipotential surfacing of the sector rollers 21 is realized by utilizing the carbon brushes 22.
Research idea of the invention
Base 9 development:
firstly, determining the length of a base 9 according to the lengths of a segment roller 21, a low-speed variable-frequency motor 1 and a speed reducer 2; determining the width of the base 9 according to the diameters of the fan-shaped section roller 21, the driving riding wheel I3 and the driven riding wheel I6 and the width of the guide rail 10; finally, the structural form of the base 9 is determined to be a steel structural form through the fixing bracket 11, the sliding bracket 12 and the speed reducer 2, and the base is formed by welding HW100x100 section steel and a 12 mm-thick steel plate;
the transmission mechanism of the segment roller 21 is developed:
firstly, determining the diameters and thicknesses of a first driving riding wheel 3, a second driving riding wheel 5, a first driven riding wheel 6 and a second driven riding wheel 7 according to the diameter and the length of a shaft of a roller 21 of a sector section; determining the specification and model of the proper low-speed variable-frequency motor 1, the proper speed reducer 2 and the proper specification and model of the rolling bearing 8 and the diameter of the main transmission shaft 4 according to the maximum weight and the required rotating speed of the segmental roller 21; finally, the length of the main transmission shaft 4 is 1200mm and the length of the guide rail 10 is 500mm according to the maximum length of 800mm and the minimum length of 400mm of the segmental roller 21;
the welding gun fixture 13 is developed:
firstly, the welding gun fixture can stably move at a constant speed through the first slideway 14, the second slideway 15, the screw 17 and the hand wheel 18; then, the running speed of the welding gun fixture 13 is reliably matched with the rotating speed of the fan-shaped segment roller 21 of 0.067-0.67 r/min by manually operating the hand wheel 18, so that reliable surfacing is realized;
the transmission control system 23 of the segment roller 21 is developed as follows:
the control system 23 mainly realizes the stop and start of the semi-automatic surfacing machine, the variable frequency speed regulation and the positive and negative rotation of the sector roller 21 through a power switch 24, a speed regulation switch 25 and a steering switch 26; equipotential deposition of the segment roller 21 is achieved by means of carbon brushes 22.
Development of safety protection
In order to ensure the safety of the equipment during operation, safety protection devices are additionally arranged at three positions of the low-speed frequency conversion motor 1, the speed reducer 2, the fixed bracket 11 and the movable bracket 12, which move during the operation of the equipment, namely, a driving cover 18 is additionally arranged at the positions of the low-speed frequency conversion motor 1 and the speed reducer 2, a fixed end riding wheel cover 19 is reinforced at the position of the fixed bracket 11, and a movable end riding wheel cover 20 is additionally arranged at the position of the movable bracket 12, so that the operation safety of the equipment is ensured.
The invention has the advantages that: the developed equipment has simple structure, easy manufacture and simple and convenient operation after being put into production; the development cost is low, and the manufacturing period is short; the safety protection is in place, and the operation is stable and reliable.
Drawings
FIG. 1 is a front view of the internal structure of a semi-automatic surfacing welding machine. The welding gun comprises a low-speed variable frequency motor 1, a speed reducer 2, a base 9, a fixing bracket 11, a sliding bracket 12, a welding gun fixture 13, a first sliding rail 14, a second sliding rail 15, a lead screw 16 and a hand wheel 17.
FIG. 2 is a view of the internal structure of the semi-automatic surfacing welding machine. The carbon brush supporting device comprises a first driving riding wheel 3, a main transmission shaft 4, a second driving riding wheel 5, a first driven riding wheel 6, a second driven riding wheel 7, a rolling bearing 8, a guide rail 10, a fixing bracket 11, a sliding bracket 12 and a carbon brush 22.
FIG. 3 is a front view of the external structure of the semi-automatic surfacing welding machine. Wherein, the driving cover 18, the fixed end riding wheel cover 19, the movable end riding wheel cover 20, the segment roller 21 and the control system 23.
FIG. 4 is an external structural view of the semi-automatic surfacing welding machine. Among them, a welding gun fixture 13, a segment roller 21, and a control system 23.
Fig. 5 is a structural diagram of a semi-automatic overlaying machine control system. The control system 23, the power switch 24, the speed regulation switch 25 and the steering switch 26.
Detailed Description
The welding gun welding device comprises a low-speed variable-frequency motor 1, a speed reducer 2, a first driving riding wheel 3, a main transmission shaft 4, a second driving riding wheel 5, a first driven riding wheel 6, a second driven riding wheel 7, a rolling bearing 8, a base 9, a guide rail 10, a fixing bracket 11, a sliding bracket 12, a welding gun clamp 13, a first slideway 14, a second slideway 15, a lead screw 16, a hand wheel 17, a driving cover 18, a fixed end riding wheel cover 19, a movable end riding wheel cover 20, a carbon brush 22, a control system 23, a power switch 24, a speed regulating switch 25 and a steering switch 26. A low-speed variable-frequency motor 1, a speed reducer 2, a fixed bracket 11, a first slideway 14, a second slideway 15 and a guide rail 10 are arranged on a base 9, a movable bracket 12 is arranged on the guide rail 10, a first driving riding wheel 3, a first driven riding wheel 6 and a fixed end riding wheel cover 19 are arranged on the fixed bracket 11, a second driving riding wheel 5, a second driven riding wheel 7 and a movable end riding wheel cover 20 are arranged on the movable bracket 12, a welding gun clamp 13 and a lead screw 16 are arranged on the first slideway 14 and the second slideway 15, a main transmission shaft 4 is arranged at the centers of the first driving riding wheel 3 and the second driving riding wheel 5 through a rolling bearing 8, a hand wheel 17 is arranged on the lead screw 16, a driving cover 18 is arranged on the low-speed variable-frequency motor 1 and the speed reducer 2, a control system 23, a power switch 24, a speed regulating switch 25 and a steering switch 26 are arranged on the driving cover 18, and a carbon brush is.
Claims (2)
1. A semi-automatic surfacing welding machine for repairing welding of a roller at a sector section of a steelmaking slab is characterized by comprising a low-speed frequency conversion motor (1), a speed reducer (2), a first driving riding wheel (3), a main transmission shaft (4), a second driving riding wheel (5), a first driven riding wheel (6), a second driven riding wheel (7), a rolling bearing (8), a base (9), a guide rail (10), a fixing bracket (11), a sliding bracket (12), a welding gun clamp (13), a first slideway (14), a second slideway (15), a lead screw (16), a hand wheel (17), a driving cover (18), a fixed end riding wheel cover (19), a movable end riding wheel cover (20), a carbon brush (22), a control system (23), a power switch (24), a speed regulating switch (25) and a steering switch (26); a low-speed variable frequency motor (1), a speed reducer (2), a fixed bracket (11), a first slideway (14), a second slideway (15) and a guide rail (10) are arranged on a base (9), a movable bracket (12) is arranged on the guide rail (10), a first driving riding wheel (3), a first driven riding wheel (6) and a fixed riding wheel cover (19) are arranged on the fixed bracket (11), a second driving riding wheel (5), a second driven riding wheel (7) and a movable riding wheel cover (20) are arranged on the movable bracket (12), a welding gun clamp (13) and a lead screw (16) are arranged on the first slideway (14) and the second slideway (15), a main transmission shaft (4) is arranged at the centers of the first driving riding wheel (3) and the second driving riding wheel (5) through a rolling bearing (8), a hand wheel (17) is arranged on the lead screw (16), and a driving cover (18) is arranged on the low-speed variable frequency motor (1) and the speed reducer (2), a control system (23), a power switch (24), a speed regulation switch (25) and a steering switch (26) are arranged on the driving cover (18), and a carbon brush is arranged on the driven riding wheel I (6);
all the parts are fixed into a whole through a base (9), and safety protection is realized through a driving cover (18), a fixed end riding wheel cover (19) and a movable end riding wheel cover (20), so that a semi-automatic surfacing machine is formed;
the semi-automatic surfacing welding machine is stopped and started, the variable frequency speed regulation is realized, the forward and reverse rotation of the sector rollers (21) is realized through a power switch (24), a speed regulation switch (25) and a steering switch (26) in a control system (23), and the equipotential surfacing welding of the sector rollers (21) is realized through carbon brushes (22).
2. The semi-automatic overlaying welding machine for the roller repair welding of the sector section of the steelmaking slab as claimed in claim 1, wherein the constant-speed rotation of the sector section roller (21) and the length change of the sector section roller (21) are realized through a low-speed variable-frequency motor (1), a speed reducer (2), a first driving riding wheel (3), a main transmission shaft (4), a second driving riding wheel (5), a first driven riding wheel (6), a second driven riding wheel (7), a rolling bearing (8), a guide rail (10), a fixing bracket (11) and a sliding bracket (12);
the first slideway (14), the second slideway (15), the screw rod (16) and the hand wheel (17) are manually matched to realize the stable operation of the welding gun fixture (13) and the matching between the operation speed of the welding gun fixture (13) and the rotation speed of the sector roller (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910100180.3A CN109848598B (en) | 2019-01-31 | 2019-01-31 | Semi-automatic surfacing welding machine for repairing welding of steel-making slab fan-shaped section roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910100180.3A CN109848598B (en) | 2019-01-31 | 2019-01-31 | Semi-automatic surfacing welding machine for repairing welding of steel-making slab fan-shaped section roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109848598A CN109848598A (en) | 2019-06-07 |
| CN109848598B true CN109848598B (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910100180.3A Active CN109848598B (en) | 2019-01-31 | 2019-01-31 | Semi-automatic surfacing welding machine for repairing welding of steel-making slab fan-shaped section roller |
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| CN (1) | CN109848598B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2686783Y (en) * | 2004-03-15 | 2005-03-23 | 中国第二十冶金建设公司检修协力分公司 | Automatic build-up welding device for roller repair |
| CN2806024Y (en) * | 2005-03-15 | 2006-08-16 | 李振家 | Apparatus for welding wear-resistant layer on well drilling rod centralizer |
| CN201380367Y (en) * | 2009-04-27 | 2010-01-13 | 苏州新达电扶梯部件有限公司 | Automatic welding machine |
| CN202377650U (en) * | 2011-12-28 | 2012-08-15 | 包头市佳隆金属制品有限责任公司 | Overlaying repairing supporting device for roller shaft neck of continuous casting machine |
| CN206747823U (en) * | 2017-02-22 | 2017-12-15 | 湖北创联重工有限公司 | A kind of roll surface prosthetic device |
| CN208034006U (en) * | 2018-04-03 | 2018-11-02 | 扬州市欧亿照明电气有限公司 | A kind of light pole and base flange automatic soldering device |
-
2019
- 2019-01-31 CN CN201910100180.3A patent/CN109848598B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2686783Y (en) * | 2004-03-15 | 2005-03-23 | 中国第二十冶金建设公司检修协力分公司 | Automatic build-up welding device for roller repair |
| CN2806024Y (en) * | 2005-03-15 | 2006-08-16 | 李振家 | Apparatus for welding wear-resistant layer on well drilling rod centralizer |
| CN201380367Y (en) * | 2009-04-27 | 2010-01-13 | 苏州新达电扶梯部件有限公司 | Automatic welding machine |
| CN202377650U (en) * | 2011-12-28 | 2012-08-15 | 包头市佳隆金属制品有限责任公司 | Overlaying repairing supporting device for roller shaft neck of continuous casting machine |
| CN206747823U (en) * | 2017-02-22 | 2017-12-15 | 湖北创联重工有限公司 | A kind of roll surface prosthetic device |
| CN208034006U (en) * | 2018-04-03 | 2018-11-02 | 扬州市欧亿照明电气有限公司 | A kind of light pole and base flange automatic soldering device |
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| CN109848598A (en) | 2019-06-07 |
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