CN103231157A - Manufacturing process for welded H-shaped steel - Google Patents
Manufacturing process for welded H-shaped steel Download PDFInfo
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- CN103231157A CN103231157A CN 201310133355 CN201310133355A CN103231157A CN 103231157 A CN103231157 A CN 103231157A CN 201310133355 CN201310133355 CN 201310133355 CN 201310133355 A CN201310133355 A CN 201310133355A CN 103231157 A CN103231157 A CN 103231157A
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Abstract
The invention discloses a manufacturing process for welded H-shaped steel. The manufacturing process includes the following steps: (1) blanking which includes that a steel plate is cut into two flange plate strips and two web strips, and the two flange plate strips and the two web strips meet size requirements; and (2) conveying the two flange plate strips and the web strips to an assembling and welding device. The assembling and welding device comprises a first workpiece transmission frame, a second workpiece transmission frame, a hydraulic assembling machine and an H-shaped steel welding portion. One flange plate strip and one web strip are assembled to form a T shape, two welding seams of the T shape are welded, the welded T-shaped member and the other flange plate strip are assembled to form the H-shaped steel through the hydraulic assembling machine, at this time, the welded two welding seams of the H-shaped steel are arranged on the upper portion, and two unfinished welding seams are welded symmetrically through the H-shaped steel welding portion. By means of the manufacturing process, welding deformation can be effectively controlled, labor intensity of workers can be reduced, production efficiency is improved, and the manufacturing cost is reduced.
Description
Technical field
The present invention relates to field of steel structure, relate in particular to a kind of manufacture craft of welded H section steel.
Background technology
H shaped steel is a kind of in the construction steel structure, and being has that three rectangle steel plate groups are upright to form, and is mainly used in building trades such as factory building, high level, boiler, power plant.H shaped steel has two kinds, and the one, welded H section steel is made by processing factory, arbitrary dimension, the 2nd, hot rolled H-shaped.At present welded H section steel is made needs through blanking, group is upright and welding sequence, and blanking is to adopt the flame bar straightener that steel plate is cut into two flange plate laths and web lath, and two flange plate laths and web lath satisfy dimensional requirement; Group is upright to be that two flange plate laths and web lath are fixed into the H beam steel shape, at first utilize crane, two flange plate laths and web lath are transported on the stand, utilize hydraulic pressure group to found machine then, the first group of a flange plate lath and web lath is found into a T font, it is fixed to adopt CO2 gas to protect the solder joint solid welding, and then another flange plate lath is found into H shaped steel with the T-steel group, also is to adopt the solid welding of CO2 gas guarantor solder joint fixed; Welding is to utilize crane will organize upright good H shaped steel, handling is to submerged-arc welding equipment stand, have four road weld seams between two flange plate laths and the web lath, 45 degree need tilt the flange plate lath during welding, after one weld seam finished, the recycling crane will be organized the H shaped steel flip angle after standing, and all finish until four road weld seams.After welding sequence is finished, also need the distortion that welding causes is proofreaied and correct.The handling of above-mentioned H section steel manufacture mode member often, welding deformation is bigger, not only working strength of workers is big, and production efficiency is lower, cost of manufacture is higher.
Summary of the invention
Technical problem to be solved by this invention provides a kind of manufacture craft of welded H section steel, and the manufacture craft of this kind welded H section steel can not only alleviate working strength of workers, and can enhance productivity, and reduces cost of manufacture.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of manufacture craft of welded H section steel, it comprises the steps: 1) blanking; Steel plate is cut into two flange plate laths and web lath, and two flange plate laths and web lath satisfy dimensional requirement; 2) two flange plate laths and web lath being transported to group vertical position welding tipping puts, group vertical position welding tipping is put and is comprised the first workpiece gear frame, the second workpiece gear frame, the upright machine of hydraulic pressure group and H shaped steel weld part, the upright machine of hydraulic pressure group and H shaped steel welding position are between the first workpiece gear frame and the second workpiece gear frame, H shaped steel weld part is positioned the rear of the upright machine of hydraulic pressure group, earlier a flange plate lath is found into the T font with the web group of slats, and the twice weld seam of welding T font, and then the T font member that welding is finished is found unit with another flange plate lath by hydraulic pressure group found into the H steel, the twice weld seam that this moment, the welding of H steel was finished is positioned at top, and H shaped steel weld part is symmetrically welded uncompleted twice weld seam immediately.
Described H shaped steel weld part comprises the first welding machine group, the first welding machine pack support, the first welding machine group directive wheel, the first welding gun group, the first welding machine group wire feeder, the second welding machine group, the second welding machine pack support, the second welding machine group directive wheel, the second welding gun group, the second welding machine group wire feeder, the described first welding machine group, the first welding machine pack support, the first welding machine group directive wheel, the first welding gun group, the first welding machine group wire feeder is a separate unit, the described second welding machine group, the second welding machine pack support, the second welding machine group directive wheel, the second welding gun group, the second welding machine group wire feeder is another separate unit, two separate units are identical structure, the described first welding machine pack support is provided with the first welding machine group directive wheel and the first welding gun group, the described first welding gun group has first welding gun, second welding gun and the 3rd welding gun, described first welding gun, second welding gun and the 3rd welding gun are arranged at interval along the trend of weld seam.
The described first welding gun group top is provided with the first continuous welding machine group air pressure rod.
The described first welding machine pack support is provided with the welding gun connecting rod, and described first welding gun, second welding gun and the 3rd welding gun removably connect with the welding gun connecting rod respectively.
The side of the described first welding machine pack support is provided with and keeps two isochronous controllers that separate unit welds simultaneously.
The manufacture craft of a kind of welded H section steel of the present invention is adopted in such a way, the flange plate lath was the level of state when the group vertical position welding connect, the web lath is erectility, simultaneously to twice weld seam symmetrical welding, the formation of per pass weld seam is welded respectively to pile up by three welding gun heads and is formed, first welding gun, second welding gun, have between the 3rd welding gun at interval, the weld seam that the welding of first welding gun forms is positioned at bottom, the weld seam that the welding of second welding gun forms is positioned at the middle level, the weld seam that the welding of the 3rd welding gun forms is positioned at the upper strata, like this, compared with prior art, the gage of wire of each welding gun is more original wants thin, can control welding deformation effectively, can alleviate working strength of workers, enhance productivity, reduce cost of manufacture.
Description of drawings
Below in conjunction with accompanying drawing the manufacture craft of a kind of welded H section steel of the present invention is done explanation in further detail;
Fig. 1 is H shaped steel weld part structural representation;
Fig. 2 is the first welding gun group shown in Figure 1 and the syndeton schematic diagram of first support;
Seam cross-section schematic diagram when Fig. 3 is the welding of the first welding gun group;
The structural representation that Fig. 4 puts for group vertical position welding tipping;
In Fig. 1, Fig. 2, Fig. 3, Fig. 4,1, the first welding machine group; 2, the first welding machine group air pressure rod; 3, the first welding machine pack support; 4, the first welding machine group directive wheel; 5, the first welding gun group; 6, the second welding machine pack support; 7, the second welding machine group air pressure rod; 8, the second welding machine group; 9, the second welding machine group directive wheel; 10, the second welding gun group; 11, first welding gun; 12, second welding gun; 13, the 3rd welding gun; 14, welding gun connecting rod; 15, the first welding gun weld seam section; 16, the second welding gun weld seam section; 17, weld seam; 18, the first workpiece gear frame; 19, workpiece; 20, the upright machine of hydraulic pressure group; 21, H shaped steel weld part; 22, the second workpiece gear frame.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, group vertical position welding tipping is put and is comprised the first workpiece gear frame 18, the second workpiece gear frame 22, the upright machine 20 of hydraulic pressure group and H shaped steel weld part 21, the upright machine 20 of hydraulic pressure group and H shaped steel weld part 21 are between the first workpiece gear frame 18 and the second workpiece gear frame 22, H shaped steel weld part 21 is positioned the rear of the upright machine 20 of hydraulic pressure group
H shaped steel weld part comprises the first welding machine group 1, the first welding machine group air pressure rod 2, the first welding machine pack support 3, the first welding machine group directive wheel 4, the first welding gun group 5, the first welding machine group wire feeder (not shown), the second welding machine group 8, the second welding machine pack support 6, the second welding machine group air pressure rod 7, the second welding machine group directive wheel 9, the second welding gun group 10, the second welding machine group wire feeder (not shown), the first welding machine group 1, the first welding machine group air pressure rod 2, the first welding machine pack support 3, the first welding machine group directive wheel 4, the first welding gun group 5, the first welding machine group wire feeder is a separate unit, the second welding machine group 8, the second welding machine group air pressure rod 7, the second welding machine pack support 6, the second welding machine group directive wheel 9, the second welding gun group 10, the second welding machine group wire feeder is another separate unit, and two separate units are identical structure.Have the first welding machine group directive wheel 4 and the first welding gun group 5 on the first welding machine pack support 3, the first welding gun group 5 has first welding gun 11, second welding gun 12 and the 3rd welding gun 13, first welding gun 11, second welding gun 12 and the 3rd welding gun 13 arrange at interval that along the trend of weld seam the first welding gun group, 1 top has the first continuous welding machine group air pressure rod 2.Having welding gun connecting rod 14, the first welding guns 11, second welding gun 12 and the 3rd welding gun 13 on the first welding machine pack support 3 removably connects with welding gun connecting rod 14 respectively.In order to keep two separate units to weld simultaneously, control welding deformation better, the side of the first welding machine pack support can arrange isochronous controller.
The weld seam that seam cross-section schematic diagram during the welding of the first welding gun group has illustrated the 11 welding formation of first welding gun is positioned at bottom, the weld seam that 12 weldings of second welding gun form is positioned at the middle level, the weld seam that 13 weldings of the 3rd welding gun form is positioned at the upper strata, has the first welding gun weld seam section 15 between first welding gun 11 and second welding gun 12, its length is exactly the interval between first welding gun 11 and second welding gun 12, has the second welding gun weld seam section 16 between second welding gun 12 and the 3rd welding gun 13, its length is exactly the interval between second welding gun 12 and the 3rd welding gun 13, and the weld seam 17 that the 3rd welding gun 13 welding backs form is exactly the weld seam that needs visual examination and nondestructive testing.
During the work of H shaped steel weld part, workpiece 19 is through the first workpiece gear frame 18, the upright machine 20 of hydraulic pressure group, H shaped steel weld part 21 to second workpiece gear frames 22, H shaped steel weld part position is fixed, workpiece flange plate lath is the level of state, the web lath is erectility, and two separate units of H shaped steel weld part can be simultaneously be symmetrically welded web two side welds of H shaped steel.
The manufacture craft of a kind of welded H section steel of the present invention comprises the steps: 1) blanking; Adopt the flame bar straightener that steel plate is cut into two flange plate laths and web lath, two flange plate laths and web lath satisfy dimensional requirement; 2) two flange plate laths and web lath being transported to group vertical position welding tipping puts, utilize hydraulic pressure group to found machine then, a flange plate lath and web group of slats are found into a T font, H shaped steel weld part is symmetrically welded the twice weld seam of T font immediately, and then the T font steel that welding is finished is found unit with another flange plate lath by hydraulic pressure group found into the H steel, the twice weld seam that this moment, the welding of H steel was finished is positioned at top, and H shaped steel weld part is symmetrically welded uncompleted twice weld seam immediately.
The manufacture craft of a kind of welded H section steel of the present invention adopts H shaped steel weld part to adopt said structure, has following advantage:
1. can optimize operation, alleviate working strength of workers, increase work efficiency;
2. save welding personnel, can save the arc-covering slag operation workman;
3. save to use equipment cost: the crane that has reduced half uses, and has saved the expenses such as the electricity charge, wearing and tearing of crane equipment.
4. reduce the equipment input cost, reduced the floor space of factory building.
5. can effectively control welding deformation: all be 45 ° of monolateral welding during submerged arc welding, and H shaped steel weld part of the present invention is that symmetry is welded simultaneously, the member both sides are heated basically and the weld seam pulling force identical.The gage of wire of each welding gun is more original wants thin, and original welding wire for submerged-arc welding diameter adopts 4.8 millimeters usually, and the gage of wire of H shaped steel weld part of the present invention can adopt 1～2 millimeter, has reduced H shaped steel welded corner joint distortion effectively.
Claims (4)
1. the manufacture craft of a welded H section steel, it is characterized in that: it comprises the steps: 1) blanking; Steel plate is cut into two flange plate laths and web lath, and two flange plate laths and web lath satisfy dimensional requirement; 2) two flange plate laths and web lath being transported to group vertical position welding tipping puts, group vertical position welding tipping is put and is comprised the first workpiece gear frame, the second workpiece gear frame, the upright machine of hydraulic pressure group and H shaped steel weld part, the upright machine of hydraulic pressure group and H shaped steel welding position are between the first workpiece gear frame and the second workpiece gear frame, H shaped steel weld part is positioned the rear of the upright machine of hydraulic pressure group, earlier a flange plate lath is found into the T font with the web group of slats, and the twice weld seam of welding T font, and then the T font member that welding is finished is found unit with another flange plate lath by hydraulic pressure group found into the H steel, the twice weld seam that this moment, the welding of H steel was finished is positioned at top, and H shaped steel weld part is symmetrically welded uncompleted twice weld seam immediately.
2. the manufacture craft of a kind of welded H section steel according to claim 1, it is characterized in that: described H shaped steel weld part comprises the first welding machine group, the first welding machine pack support, the first welding machine group directive wheel, the first welding gun group, the first welding machine group wire feeder, the second welding machine group, the second welding machine pack support, the second welding machine group directive wheel, the second welding gun group, the second welding machine group wire feeder, the described first welding machine group, the first welding machine pack support, the first welding machine group directive wheel, the first welding gun group, the first welding machine group wire feeder is a separate unit, the described second welding machine group, the second welding machine pack support, the second welding machine group directive wheel, the second welding gun group, the second welding machine group wire feeder is another separate unit, two separate units are identical structure, the described first welding machine pack support is provided with the first welding machine group directive wheel and the first welding gun group, the described first welding gun group has first welding gun, second welding gun and the 3rd welding gun, described first welding gun, second welding gun and the 3rd welding gun are arranged at interval along the trend of weld seam.
3. the manufacture craft of a kind of welded H section steel according to claim 2, it is characterized in that: the described first welding gun group top is provided with the first continuous welding machine group air pressure rod.
4. according to the manufacture craft of claim 2 or 3 described a kind of welded H section steel, it is characterized in that: the described first welding machine pack support is provided with the welding gun connecting rod, and described first welding gun, second welding gun and the 3rd welding gun removably connect with the welding gun connecting rod respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310133355 CN103231157A (en) | 2013-04-18 | 2013-04-18 | Manufacturing process for welded H-shaped steel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201310133355 CN103231157A (en) | 2013-04-18 | 2013-04-18 | Manufacturing process for welded H-shaped steel |
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| CN103231157A true CN103231157A (en) | 2013-08-07 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439655A (en) * | 2014-11-27 | 2015-03-25 | 芜湖中集瑞江汽车有限公司 | 16 Mn H-shaped steel welding process |
| CN104924001A (en) * | 2015-06-29 | 2015-09-23 | 金世金属制品（吴江）有限公司 | Section steel automatic welding apparatus |
| CN105067424A (en) * | 2015-08-31 | 2015-11-18 | 中国飞机强度研究所 | Fuselage panel test keel device and production method thereof |
| CN105772972A (en) * | 2016-05-23 | 2016-07-20 | 安徽昌永得机械有限公司 | Welding unit of excavator bucket rod side plate X groove welding device |
| CN105880855A (en) * | 2016-05-23 | 2016-08-24 | 安徽昌永得机械有限公司 | X-groove welding device for excavator bucket rod side plate |
| CN105945439A (en) * | 2016-05-23 | 2016-09-21 | 安徽昌永得机械有限公司 | Excavator bucket rod side plate manufacturing method |
| CN108608214A (en) * | 2018-06-22 | 2018-10-02 | 北京京诚之星科技开发有限公司 | Corrugated web H-shaped steel welding forming equipment and method |
-
2013
- 2013-04-18 CN CN 201310133355 patent/CN103231157A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439655A (en) * | 2014-11-27 | 2015-03-25 | 芜湖中集瑞江汽车有限公司 | 16 Mn H-shaped steel welding process |
| CN104924001A (en) * | 2015-06-29 | 2015-09-23 | 金世金属制品（吴江）有限公司 | Section steel automatic welding apparatus |
| CN105067424A (en) * | 2015-08-31 | 2015-11-18 | 中国飞机强度研究所 | Fuselage panel test keel device and production method thereof |
| CN105067424B (en) * | 2015-08-31 | 2019-03-22 | 中国飞机强度研究所 | A kind of fuselage wallboard test keel device and its manufacturing method |
| CN105772972A (en) * | 2016-05-23 | 2016-07-20 | 安徽昌永得机械有限公司 | Welding unit of excavator bucket rod side plate X groove welding device |
| CN105880855A (en) * | 2016-05-23 | 2016-08-24 | 安徽昌永得机械有限公司 | X-groove welding device for excavator bucket rod side plate |
| CN105945439A (en) * | 2016-05-23 | 2016-09-21 | 安徽昌永得机械有限公司 | Excavator bucket rod side plate manufacturing method |
| CN108608214A (en) * | 2018-06-22 | 2018-10-02 | 北京京诚之星科技开发有限公司 | Corrugated web H-shaped steel welding forming equipment and method |
| CN108608214B (en) * | 2018-06-22 | 2023-07-25 | 北京京诚瑞信长材工程技术有限公司 | Corrugated web H-shaped steel welding forming equipment and method |
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Application publication date: 20130807 |