CN212885854U - Special-shaped plate welding backing device - Google Patents
Special-shaped plate welding backing device Download PDFInfo
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- CN212885854U CN212885854U CN202021595882.8U CN202021595882U CN212885854U CN 212885854 U CN212885854 U CN 212885854U CN 202021595882 U CN202021595882 U CN 202021595882U CN 212885854 U CN212885854 U CN 212885854U
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Abstract
The utility model provides a heterotypic board welding backing device, including backing support, welding liner, be equipped with a logical groove in the middle of the welding liner upper surface, welding liner fixed mounting is on backing support, backing support top both sides level is equipped with clamp plate, every all be equipped with a plurality of clamping bolt on the clamp plate. The utility model discloses beneficial effect: the welding gasket can be ensured to be closely attached to a weldment at all times in the welding process; the welding liner can be replaced to meet the back penetration welding requirements of weldments with different shapes and lengths, and the method can be suitable for gate iron assembly welding, floor base plate assembly welding with different shapes and the like by replacing the welding liner; the relative position of the central line of the liner forming groove and a welding line can be strictly ensured in the welding process, and the welding quality is ensured; the slag removal performance is good, welding spatter is avoided, and welding seam forming is good; the operation is simple and reliable, and the welding of a welder is not influenced.
Description
Technical Field
The utility model belongs to the technical field of abnormal shape board welding, especially, relate to an abnormal shape board welding backing device.
Background
In order to reduce welding heat input, optimize a welding operation mode, improve an operation environment, reduce welding cost and improve welding quality in the production process of the stainless steel urban railway passenger car, a part of welding seams in most parts of a car body are formed by single-side welding and double-side forming instead of double-side welding, and a backing device is required to be preset along the back of a welding joint in order to ensure that the root of the welding joint is completely welded and the back of the welding seam is well formed.
At present, operators manually place a backing device or clamp a liner and a weldment by using an F clamp, the problems that the liner is not tightly attached to a workpiece, the central line of a liner forming groove is not overlapped with the gap of a groove and the like easily occur in the welding process, the defects that a molten pool leaks liquid, the fusion depth size does not meet the requirement and the like easily occur, the welding quality and the back welding forming effect are seriously influenced, rework is needed to repair and polish a welding seam when the problems are serious, manpower and material resources are wasted, and the welding space and the welding method of welders are restricted due to the complex operation of clamps such as the F clamp and the like.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a special-shaped plate welding backing device to solve the above-mentioned problems.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the special-shaped plate welding backing device comprises a backing support and a welding liner, wherein a through groove is formed in the middle of the upper surface of the welding liner, the welding liner is fixedly installed on the backing support, pressing plates are horizontally arranged on two sides above the backing support, and each pressing plate is provided with a plurality of clamping bolts.
Furthermore, a plurality of liner mounting holes are uniformly formed in two sides of the welding liner, a plurality of connecting holes are correspondingly formed in the backing support, and each liner mounting hole is fixedly connected with each connecting hole through a bolt.
Furthermore, the bottom of the backing support is a U-shaped frame structure with a forward opening, two sides inside the U-shaped frame structure are both horizontally provided with support plates, and the welding liner is fixedly connected to the upper sides of the two support plates.
Furthermore, the backing support and the pressing plate are of an integrally formed structure and are connected through a vertical portion, and a reinforcing plate is obliquely connected to the joint of the vertical portion and the pressing plate.
Furthermore, each pressure plate is provided with 2 clamping bolts.
Furthermore, the upper surface of the welding gasket is flush with the upper surface of the U-shaped frame structure.
Compared with the prior art, heterotypic board welding backing device have following advantage:
the special-shaped plate welding backing device of the utility model can ensure that the welding liner is closely attached to the weldment at all times in the welding process; the welding liner can be replaced to meet the back penetration welding requirements of weldments with different shapes and lengths, and the method can be suitable for gate iron assembly welding, floor base plate assembly welding with different shapes and the like by replacing the welding liner; the relative position of the central line of the liner forming groove and a welding line can be strictly ensured in the welding process, and the welding quality is ensured; the slag removal performance is good, welding spatter is avoided, and welding seam forming is good; the operation is simple and reliable, and the welding of a welder is not influenced.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of a special-shaped plate welding backing device according to an embodiment of the present invention;
fig. 2 is a first embodiment of a welding pad according to an embodiment of the present invention;
fig. 3 is a second embodiment of a welding pad according to an embodiment of the present invention;
fig. 4 shows a third embodiment of the welding pad according to the embodiment of the present invention.
Description of reference numerals:
1-backing support; 2-welding a gasket; 3-through groove; 4, pressing a plate; 5-a support plate; 6-a reinforcing plate; 7-a clamping bolt; 8-gasket mounting hole.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, the special-shaped plate welding backing device comprises a backing support 1 and a welding liner 2, wherein a through groove 3 is formed in the middle of the upper surface of the welding liner 2, the welding liner 2 is fixedly installed on the backing support 1, pressing plates 4 are horizontally arranged on two sides above the backing support 1, and a plurality of clamping bolts 7 are arranged on each pressing plate 4.
The welding backing support is characterized in that a plurality of backing mounting holes 8 are uniformly formed in two sides of the welding backing 2, a plurality of connecting holes are correspondingly formed in the backing support 1, and each backing mounting hole 8 is fixedly connected with each connecting hole through a bolt.
The bottom of the backing support 1 is a U-shaped frame structure with a forward opening, two sides inside the U-shaped frame structure are both horizontally provided with support plates 5, and the welding liner 2 is fixedly connected to the upper sides of the two support plates 5.
The backing support 1 and the pressing plate 4 are of an integrally formed structure and are connected through a vertical portion, and a reinforcing plate 6 is obliquely connected to the joint of the vertical portion and the pressing plate 4.
Each pressing plate 4 is provided with 2 clamping bolts 7.
The upper surface of the welding gasket 2 is flush with the upper surface of the U-shaped frame structure.
As shown in fig. 2, the bonding pad 2 has a planar structure.
As shown in fig. 3, the upper surface of the bonding pad 2 is provided with a bump, and the through groove 3 passes through the outer surface of the bump and is communicated to the front end and the rear end of the upper surface of the bonding pad 2.
As shown in fig. 4, the cross-section of the welding liner 2 is of an L-shaped structure, the through groove 3 is arranged along the surface of the L-shaped structure, and the welding liner 2 can be suitable for assembly welding of doorway iron and assembly welding of floor base plates of different shapes by replacing different welding liners.
The working process of the embodiment is as follows:
processing a through groove 3 on the welding liner 2 according to the shape of a welding seam; mounting the welding pad 2 on the backing support 1; the gasket mounting hole 8 is connected with the backing bracket 1 by a bolt;
inserting the special-shaped plate welding backing device into a position to be welded, adjusting the relative position of the through groove 3 and a welding seam, and screwing a clamping bolt 7;
and (4) checking the gap between the welding gasket 2 and the contact surface of the weldment again, judging whether the relative position of the through groove 3 and the welding seam meets the requirement, and welding after the error is confirmed.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Abnormal shape board welding backing device, its characterized in that: the welding backing support comprises a backing support and welding gaskets, wherein a through groove is formed in the middle of the upper surface of each welding gasket, each welding gasket is fixedly installed on the backing support, pressing plates are horizontally arranged on two sides above the backing support, and a plurality of clamping bolts are arranged on each pressing plate.
2. The profiled sheet weld backing apparatus of claim 1, wherein: the welding backing support is characterized in that a plurality of backing pad mounting holes are uniformly formed in two sides of the welding backing pad, a plurality of connecting holes are correspondingly formed in the backing support, and the backing pad mounting holes and the connecting holes are fixedly connected together through bolts.
3. The profiled sheet weld backing apparatus of claim 1, wherein: the bottom of the backing support is a U-shaped frame structure with a forward opening, two sides inside the U-shaped frame structure are both horizontally provided with support plates, and the welding liner is fixedly connected to the upper sides of the two support plates.
4. The profiled sheet weld backing apparatus of claim 1, wherein: the backing support and the pressing plate are of an integrally formed structure and are connected through a vertical portion, and a reinforcing plate is obliquely connected to the joint of the vertical portion and the pressing plate.
5. The profiled sheet weld backing apparatus of claim 1, wherein: each pressure plate is provided with 2 clamping bolts.
6. The profiled sheet weld backing apparatus of claim 3, wherein: the upper surface of the welding gasket is flush with the upper surface of the U-shaped frame structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021595882.8U CN212885854U (en) | 2020-08-04 | 2020-08-04 | Special-shaped plate welding backing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021595882.8U CN212885854U (en) | 2020-08-04 | 2020-08-04 | Special-shaped plate welding backing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212885854U true CN212885854U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021595882.8U Active CN212885854U (en) | 2020-08-04 | 2020-08-04 | Special-shaped plate welding backing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212885854U (en) |
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2020
- 2020-08-04 CN CN202021595882.8U patent/CN212885854U/en active Active
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