CN215200260U - L-shaped high-energy-beam welding structure for single-side welding and double-side forming - Google Patents
L-shaped high-energy-beam welding structure for single-side welding and double-side forming Download PDFInfo
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- CN215200260U CN215200260U CN202023280540.XU CN202023280540U CN215200260U CN 215200260 U CN215200260 U CN 215200260U CN 202023280540 U CN202023280540 U CN 202023280540U CN 215200260 U CN215200260 U CN 215200260U
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Abstract
The utility model belongs to the technical field of special welding, in particular to a high-energy beam welding structure formed by L-shaped single-side welding and double-side forming, which comprises a side plate, a transverse plate and a compensating plate; wherein, curb plate and diaphragm vertical connection, the compensating plate is embedded into in the middle of curb plate and diaphragm seam. The utility model discloses well welding seam back shaping is good, and the steady quality openly is little protruding moreover, does not have defects such as sunken and undercut, explains that utility model has excellent effect to solving cut deal and thick plate L type high energy beam welding seam shaping control.
Description
Technical Field
The utility model belongs to the technical field of the special type welding, concretely relates to double-sided fashioned high energy beam welded structure of L type single face welding.
Background
High energy beam welding is the most widely used special welding technique today. The high-energy beam welding mainly comprises laser welding, electron beam welding and ion beam welding. The high-energy beam welding generally adopts a single welding forming process and has the characteristics of large depth-to-width ratio of welding seams, small heat input, small deformation of workpieces, high welding speed and the like. For the high-energy beam welding of the L-shaped welding seam, the heat distribution in the welding process is not uniform due to the fact that structures on two sides of the welding seam are not symmetrical. Particularly for the welding of the L-shaped welding seam of the medium plate, the molten pool is easy to collapse downwards under the combined action of gravity and uneven heat to form a downward oblique water drop-shaped welding beading, and the welding beading and the base metal wall form an acute angle to cause extremely high stress concentration and influence the use of the welding seam. Meanwhile, the downward collapse of the molten pool can also cause the defects of weld surface depression, undercut and the like.
Therefore, it is necessary to provide a high-energy beam welding structure for L-shaped single-side welding and double-side forming to solve the disadvantages of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a double-sided fashioned high energy beam welded structure of L type single face welding solves among the prior art L type welding seam high energy beam welding seam openly and back shaping poor, influences the problem of welding seam performance.
Realize the utility model discloses the technical scheme of purpose:
an L-shaped high-energy-beam welding structure formed by single-side welding and double-side forming comprises side plates, a transverse plate and a compensation plate;
wherein, curb plate and diaphragm vertical connection, the compensating plate is embedded into in the middle of curb plate and diaphragm seam.
The side plates are connected with the transverse plate in a welding mode.
And a boss a is arranged in the inner side of the side plate at a distance of 1-4 mm from the transverse plate.
The height of the boss a is 1-4 mm.
The two ends of the boss a are transition arcs which are inwards concave.
And a boss b is arranged in the transverse plate at a distance of 0-3 mm from the inner side of the side plate.
The height of the boss b is 2 mm-4 mm.
The two ends of the boss b are transition arcs which are inwards concave.
The compensation plate is symmetrically embedded between the welding seams of the side plate and the transverse plate.
The thickness of the compensating plate is higher than the upper surface of the welding seam, and the width of the compensating plate is not more than the welding width of the welding seam.
The utility model has the advantages of:
the utility model discloses well welding seam back shaping is good, and the steady quality openly is little protruding moreover, does not have defects such as sunken and undercut, explains that utility model has excellent effect to solving cut deal and thick plate L type high energy beam welding seam shaping control.
Drawings
Fig. 1 is a schematic view of a high-energy beam welding structure for L-shaped single-side welding double-side forming provided by the present invention;
in the figure: 1-side plate; 2-a transverse plate; 3-a compensation plate; 4-boss a; 5-boss b.
Detailed Description
In order to make those skilled in the art better understand the present invention, the technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be apparent that the embodiments described below are only some, but not all embodiments of the present invention. Based on the embodiments recorded in the present invention, all other embodiments obtained by those skilled in the art without creative efforts are all within the scope of the present invention.
As shown in fig. 1, the utility model provides an L-shaped high-energy beam welding structure with single-side welding and double-side forming, which comprises a side plate 1, a transverse plate 2 and a compensation plate 3;
the side plates 1 and the transverse plate 2 form an L-shaped welding seam main body, bosses are arranged on the side plates 1 and the transverse plate 2, and a pocket-shaped molten pool solidification area is formed at the root of the L shape.
The boss a4 of the side plate 1 is positioned in the distance of 1 mm-4 mm from the transverse plate 2 close to the inner side of the L-shaped welding seam;
the height of the boss a4 is 1 mm-4 mm;
the two ends of the convex platform a4 are transition arcs which are concave inwards.
The boss a4 is used for ensuring that a weld pool of the welding seam does not excessively collapse downwards, and a transitional arc section is also created to prevent the weld pool from directly collapsing and solidifying to form an acute angle with the side wall, so that a welding seam stress concentration region is overlapped with a structural stress concentration region.
The boss b5 of the transverse plate 2 is positioned within 0 mm-3 mm from the side plate 1 close to the inner side of the L-shaped welding seam;
the height of the boss b5 is 2 mm-4 mm;
the two ends of the boss b5 are transition arcs which are concave inwards.
The boss b5 is mainly used for preventing the weld pool from collapsing and solidifying to form an acute angle with the transverse plate 2, so that a weld stress concentration region is coincided with a structural stress concentration region.
The compensating plate 3 is symmetrically embedded in the middle of the welding line;
the thickness of the compensating plate 3 is higher than the upper surface of the welding seam;
the width of the compensating plate 3 is not more than the welding width of the welding seam.
In the welding process, the collapsed weld metal is supplemented after the compensation plate 3 is completely melted, so that the defects of recess or undercut and the like on the front surface of the weld are prevented.
The first embodiment is as follows:
the welding structure comprises the following steps when in welding:
firstly, processing a side plate 1, a transverse plate 2 and a compensation plate 3;
the distance between the lug boss of the side plate 1 and the transverse plate is 2 mm-4 mm, the height is 2 mm-4 mm, and the two sides are in arc transition by R5 mm;
the distance between the lug boss b5 on the transverse plate 2 and the side plate is 2-3 mm;
the height of the boss b5 is 2 mm-4 mm;
the two sides of the boss b5 are in transition by an R5mm circular arc;
the thickness of the compensating plate 3 is 3 mm;
the compensating plate 3 is 1-2 mm higher than the welding seam;
the width of the compensation plate 3 is 4 mm.
Step two, assembling the side plate 1, the transverse plate 2 and the compensation plate 3, and fixing by spot welding;
and step three, welding and fixing the compensating plate 3 and the welding line by using the parameters of 3KW and 600mm/min, and performing L welding line welding by using the parameters of 10KW and 400 mm/min.
Example two:
the welding structure comprises the following steps when in welding:
firstly, processing a side plate 1, a transverse plate 2 and a compensation plate 3;
the distance between the lug boss of the side plate 1 and the transverse plate is 1 mm-2 mm, the height is 1 mm-2 mm, and the two sides are in arc transition by R5 mm;
the distance between the lug boss b5 on the transverse plate 2 and the side plate is 0-2 mm;
the height of the boss b5 is 2 mm-4 mm;
the two sides of the boss b5 are in transition by an R5mm circular arc;
the thickness of the compensating plate 3 is 3 mm;
the compensating plate 3 is 1-2 mm higher than the welding seam;
the width of the compensation plate 3 is 4 mm.
Step two, assembling the side plate 1, the transverse plate 2 and the compensation plate 3, and fixing by spot welding;
and step three, welding and fixing the compensating plate 3 and the welding line by using the parameters of 3KW and 600mm/min, and performing L welding line welding by using the parameters of 10KW and 400 mm/min.
The present invention has been described in detail with reference to the drawings and examples, but the present invention is not limited to the above examples, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. The present invention can adopt the prior art for the content which is not described in detail in the present invention.
Claims (8)
1. The utility model provides a fashioned high energy beam welded structure of L type single face welding double-sided which characterized in that: the structure comprises side plates (1), a transverse plate (2) and a compensation plate (3);
the side plates (1) are vertically connected with the transverse plate (2), and the compensating plate (3) is embedded between the joint of the side plates (1) and the transverse plate (2);
a boss a (4) is arranged in the distance of 1-4 mm from the inner side of the side plate (1) to the transverse plate (2);
a boss b (5) is arranged in the transverse plate (2) at a distance of 0 mm-3 mm from the inner side of the side plate (1).
2. The high-energy-beam welding structure for the L-shaped single-sided welding and double-sided forming of the claim 1 is characterized in that: the side plates (1) are connected with the transverse plate (2) in a welding mode.
3. The high-energy-beam welding structure for the L-shaped single-sided welding and double-sided forming of the claim 1 is characterized in that: the height of the boss a (4) is 1-4 mm.
4. The high-energy-beam welding structure for the L-shaped single-sided welding and double-sided forming of the claim 1 is characterized in that: the two ends of the boss a (4) are transition arcs which are inwards concave.
5. The high-energy-beam welding structure for the L-shaped single-sided welding and double-sided forming of the claim 1 is characterized in that: the height of the boss b (5) is 2 mm-4 mm.
6. The L-shaped single-side welding double-side forming high-energy-beam welding structure as claimed in claim 5, wherein: the two ends of the boss b (5) are transition arcs which are inwards concave.
7. The high-energy-beam welding structure for the L-shaped single-sided welding and double-sided forming of the claim 6, wherein: the compensation plate (3) is symmetrically embedded between the welding seams of the side plate (1) and the transverse plate (2).
8. The L-shaped high-energy-beam welding structure for single-side welding and double-side forming of claim 7, wherein: the thickness of the compensating plate (3) is higher than the upper surface of the welding seam, and the width of the compensating plate is not more than the welding width of the welding seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023280540.XU CN215200260U (en) | 2020-12-30 | 2020-12-30 | L-shaped high-energy-beam welding structure for single-side welding and double-side forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023280540.XU CN215200260U (en) | 2020-12-30 | 2020-12-30 | L-shaped high-energy-beam welding structure for single-side welding and double-side forming |
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| Publication Number | Publication Date |
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| CN215200260U true CN215200260U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023280540.XU Active CN215200260U (en) | 2020-12-30 | 2020-12-30 | L-shaped high-energy-beam welding structure for single-side welding and double-side forming |
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| CN (1) | CN215200260U (en) |
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