CN112296496B - Welding deformation processing method for special-shaped piece - Google Patents
Welding deformation processing method for special-shaped piece Download PDFInfo
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- CN112296496B CN112296496B CN202011222290.6A CN202011222290A CN112296496B CN 112296496 B CN112296496 B CN 112296496B CN 202011222290 A CN202011222290 A CN 202011222290A CN 112296496 B CN112296496 B CN 112296496B
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- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
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- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- 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
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- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding In General (AREA)
Abstract
The invention relates to a welding deformation processing method of a special-shaped piece in the technical field of welding, which at least comprises the following steps: b1, after the single special-shaped assembly is combined in a spot welding mode, a plurality of deformation-preventing steel plates are connected to the concave side of the circular arc plate in a spot welding mode, all the deformation-preventing steel plates are arranged at intervals along the axis direction of the circular arc plate, and each deformation-preventing steel plate is fixed to the two long side edges of the circular arc plate in a spot welding mode; b2, performing full welding on the special-shaped assembly; and B3, after the special-shaped assembly is cooled to room temperature, removing all the anti-deformation steel plates. The method is generally suitable for welding assembly and welding parts with arc plates, bevel plates and flat plates.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a welding deformation processing method for a special-shaped piece.
Background
After the special-shaped component with the arc plate, the groove plate and the flat plate is welded, the arc plate is usually seriously deformed, and a certain working hour is specially spent for correction.
Disclosure of Invention
The invention aims to provide a welding deformation processing method of a special-shaped piece, which is suitable for welding operation of a group welding piece with an arc plate, a groove plate and a flat plate.
The purpose of the invention is realized as follows: a welding deformation processing method of a special-shaped piece at least comprises the following steps:
b1, after the single special-shaped assembly is combined in a spot welding mode, a plurality of deformation-preventing steel plates are connected to the concave side of the circular arc plate in a spot welding mode, all the deformation-preventing steel plates are arranged at intervals along the axis direction of the circular arc plate, and each deformation-preventing steel plate is fixed to the two long side edges of the circular arc plate in a spot welding mode;
b2, performing full welding on the special-shaped assembly;
and B3, after the special-shaped assembly is cooled to room temperature, removing all the anti-deformation steel plates.
Further, before the step B1, a step a is set, and the operation flow of the step a is as follows:
a1, fixing the arched side arc surface of the arc plate and the groove plate in a spot welding manner, and fixing the groove plate and one plate surface of the butt flat plate in a spot welding manner to complete the spot welding splicing operation of a special-shaped assembly;
a2, repeating the step A1, and finishing the spot welding and splicing operation of the second special-shaped component;
a3, splicing the two special-shaped assemblies relatively to ensure that the butt joint flat plates of the two special-shaped assemblies are completely jointed, and fixing the two butt joint flat plates;
wherein upon completion of steps B1-B3, the two form assemblies are separated such that the abutting plates of the two form assemblies are separated.
Further, all the deformation-preventing steel plates of the single special-shaped component are arranged at equal intervals along the axial direction of the circular arc plate.
Further, the arrangement range of all the deformation-preventing steel plates of the single special-shaped component covers the concave side of the circular arc plate.
Further, in step a3, a fixing jig is used to attach and fix the butt-joint flat plates of the two profile assemblies.
Further, the deformation-preventing steel plate is of a rectangular plate structure, and the long edge of the deformation-preventing steel plate is perpendicular to the axis of the arc plate.
Furthermore, two ends of the deformation-preventing steel plate respectively exceed two long side edges of the arc plate.
Further, the thickness of the deformation-preventing steel plate is equal to or close to that of the arc plate.
The invention has the beneficial effects that:
1. the anti-deformation steel plate is adopted to structurally restrain the arc plate in the welding process, so that the arc plate of the special-shaped assembly can be prevented from generating large deformation after welding, and the anti-deformation steel plate can be detached when the whole special-shaped assembly is cooled to room temperature after welding so as to facilitate subsequent machining;
2. the two special-shaped assemblies are spliced, so that the butt joint flat plates of the two special-shaped assemblies are attached and fixed, and the two special-shaped assemblies can be better prevented from generating large deformation after being welded.
Drawings
FIG. 1 is a side schematic view of the present invention.
Fig. 2 is a perspective view of the present invention.
In the figure, 1-deformation-preventing steel plate, 2-arc plate, 3-notch plate and 4-butt flat plate.
Detailed Description
The invention will be further illustrated with reference to the accompanying figures 1-2 and specific examples.
As shown in fig. 1-2, a welding deformation processing method for a special-shaped piece comprises the following steps:
a1, spot-welding and fixing the arched side arc surface of the arc plate 2 and the groove plate 3, and spot-welding and fixing the groove plate 3 and one plate surface of the butt flat plate 4 to complete the spot-welding and splicing operation of a special-shaped component;
a2, repeating the step A1, and finishing the spot welding and splicing operation of the second special-shaped component;
a3, splicing the two special-shaped assemblies relatively to ensure that the butt joint flat plates 4 of the two special-shaped assemblies are completely jointed, and fixing the two butt joint flat plates 4;
b1, aiming at each special-shaped component, spot-welding a plurality of deformation-preventing steel plates 1 on the concave side of the circular arc plate 2, so that all the deformation-preventing steel plates 1 are arranged at intervals along the axial direction of the circular arc plate 2, and each deformation-preventing steel plate 1 is fixed with two long side edges of the circular arc plate 2 in a spot welding manner;
b2, performing full welding on the special-shaped assembly;
b3, wait that the special-shaped subassembly cools off to the room temperature after, demolish all shape steel sheet 1 of preapring for an unfavorable turn of events, because shape steel sheet 1 of preapring for an unfavorable turn of events is fixed with circular arc board 2 with the form of spot welding, can directly knock off shape steel sheet 1 of preapring for an unfavorable turn of events shape steel sheet 1 and circular arc board 2 separation.
Wherein, after the steps B1-B3 are completed, the two form assemblies are separated so that the butt plates 4 of the two form assemblies are separated.
All the deformation-preventing steel plates 1 of the single special-shaped component are arranged at equal intervals along the axial direction of the circular arc plate 2; all the arrangement ranges of the deformation-preventing steel plates 1 of the single special-shaped assembly cover the concave sides of the arc plates 2, so that comprehensive structural constraint is formed on the arc plates 2, the contraction effect generated after the full welding of the special-shaped assembly is resisted, and the arc plates 2 are prevented from deforming.
In the step A3, a fixing clamp is adopted to attach and fix the butt flat plates 4 of the two special-shaped assemblies, so that the arc plates 2 are better prevented from deforming.
The deformation-preventing steel plate 1 is of a rectangular plate structure, and the long edge of the deformation-preventing steel plate is perpendicular to the axis of the arc plate 2.
The both ends of above-mentioned shape steel sheet 1 of preapring for an unfavorable turn of events surpass the both long avris of circular arc board 2 respectively, and the thick board that the board of shape steel sheet 1 of preapring for an unfavorable turn of events equals or is close to the board thickness of circular arc board 2, if be close to the board thickness of circular arc board 2, can differ about 1mm to shape steel sheet 1 of preapring for an unfavorable turn of events forms better structural constraint effect.
While the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A welding deformation processing method of a special-shaped piece is characterized by at least comprising the following steps:
a1, spot-welding and fixing the arched side cambered surface of the arc plate (2) and the groove plate (3), and spot-welding and fixing the groove plate (3) and one plate surface of the butt flat plate (4) to complete the spot-welding and splicing operation of a special-shaped component;
a2, repeating the step A1, and finishing the spot welding and splicing operation of the second special-shaped component;
a3, splicing the two special-shaped assemblies relatively to ensure that the butt joint flat plates (4) of the two special-shaped assemblies are completely jointed, and fixing the two butt joint flat plates (4);
b1, spot-welding a plurality of anti-deformation steel plates (1) on the concave side of the arc plate (2), so that all the anti-deformation steel plates (1) are arranged at intervals along the axial direction of the arc plate (2), and each anti-deformation steel plate (1) is fixed with two long side edges of the arc plate (2) in a spot welding manner;
b2, fully welding the two special-shaped assemblies;
b3, after the special-shaped assembly is cooled to room temperature, removing all the deformation-preventing steel plates (1);
wherein, after the steps B1-B3 are completed, the two profile assemblies are separated so that the butt plates (4) of the two profile assemblies are separated.
2. A method of treatment of welding deformation of profile-shaped items according to claim 1, characterized in that all the deformation preventing steel plates (1) of a single profile-shaped assembly are arranged at equal intervals in the direction of the axis of the circular arc plate (2).
3. The welding deformation processing method of a special-shaped piece according to claim 2, characterized in that all the deformation-preventing steel plates (1) of a single special-shaped assembly are arranged to cover the concave side of the circular arc plate (2).
4. The welding deformation processing method of a special-shaped piece according to claim 1, characterized in that in step A3, a fixing clamp is used to joint and fix the butt flat plates (4) of two special-shaped assemblies.
5. The method for processing the welding deformation of the special-shaped piece according to the claim 1, characterized in that the deformation-preventing steel plate (1) is a rectangular plate structure, and the long side of the deformation-preventing steel plate is perpendicular to the axis of the circular arc plate (2).
6. The method for processing the welding deformation of the special-shaped piece according to the claim 5, characterized in that, two ends of the deformation-proof steel plate (1) respectively exceed two long sides of the circular arc plate (2).
7. A method of processing welding deformation of a profile-shaped article according to claim 1, characterized in that the thickness of the deformation-preventing steel plate (1) is equal to or close to the thickness of the circular arc plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011222290.6A CN112296496B (en) | 2020-11-05 | 2020-11-05 | Welding deformation processing method for special-shaped piece |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011222290.6A CN112296496B (en) | 2020-11-05 | 2020-11-05 | Welding deformation processing method for special-shaped piece |
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| Publication Number | Publication Date |
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| CN112296496A CN112296496A (en) | 2021-02-02 |
| CN112296496B true CN112296496B (en) | 2021-12-10 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB758244A (en) * | 1951-10-24 | 1956-10-03 | Graver Tank & Mfg Co Inc | Welding tool manipulating apparatus |
| CN101797671A (en) * | 2010-04-08 | 2010-08-11 | 中国第一重型机械股份公司 | Welding deformation control aid of large-size stainless steel cylinder and welding deformation control method |
| CN202780348U (en) * | 2012-09-26 | 2013-03-13 | 中国十七冶集团有限公司 | Detachable reinforcing device for barrel assembly welding-deformation prevention |
| CN109014632A (en) * | 2018-09-29 | 2018-12-18 | 北京首钢建设集团有限公司 | A method of welding deformation is controlled using rectangle steel plate |
| CN111660023A (en) * | 2020-04-22 | 2020-09-15 | 武汉船用机械有限责任公司 | Machining method of crane turntable structure |
-
2020
- 2020-11-05 CN CN202011222290.6A patent/CN112296496B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB758244A (en) * | 1951-10-24 | 1956-10-03 | Graver Tank & Mfg Co Inc | Welding tool manipulating apparatus |
| CN101797671A (en) * | 2010-04-08 | 2010-08-11 | 中国第一重型机械股份公司 | Welding deformation control aid of large-size stainless steel cylinder and welding deformation control method |
| CN202780348U (en) * | 2012-09-26 | 2013-03-13 | 中国十七冶集团有限公司 | Detachable reinforcing device for barrel assembly welding-deformation prevention |
| CN109014632A (en) * | 2018-09-29 | 2018-12-18 | 北京首钢建设集团有限公司 | A method of welding deformation is controlled using rectangle steel plate |
| CN111660023A (en) * | 2020-04-22 | 2020-09-15 | 武汉船用机械有限责任公司 | Machining method of crane turntable structure |
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| CN112296496A (en) | 2021-02-02 |
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