CN213998167U - Circular tube submerged arc welding device capable of preventing welding penetration - Google Patents
Circular tube submerged arc welding device capable of preventing welding penetration Download PDFInfo
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- CN213998167U CN213998167U CN202023050113.2U CN202023050113U CN213998167U CN 213998167 U CN213998167 U CN 213998167U CN 202023050113 U CN202023050113 U CN 202023050113U CN 213998167 U CN213998167 U CN 213998167U
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- 238000003466 welding Methods 0.000 title claims abstract description 98
- 230000035515 penetration Effects 0.000 title claims abstract description 18
- 230000004907 flux Effects 0.000 claims abstract description 41
- 210000001503 joint Anatomy 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a pipe submerged arc welding device of anti-weld wearing, include: the welding flux hopper is characterized in that a strong spring used for connecting the bottom plate and the welding flux hopper is arranged between the bottom plate and the welding flux hopper, and an arc-shaped groove used for placing a circular tube is arranged on the top surface of the welding flux hopper. The method can avoid back welding at the outer side of the circular seam, save labor and material cost, directly use submerged arc welding at the inner side for backing welding, and even if the root of a local groove has a gap, because the submerged arc welding flux is padded at the outer side of the circular seam through a strong spring and a flux hopper, the flow of a welding pool can not be caused, thereby avoiding the risk of forming welding penetration during the backing welding of the submerged arc welding.
Description
Technical Field
The utility model relates to a submerged arc welding technical field especially relates to a pipe submerged arc welding device of preventing welding and wearing.
Background
Submerged arc welding is a method for welding by burning an electric arc under a flux layer, has the advantages of stable welding quality, high welding productivity, no arc light, little smoke and the like, and is a main welding method in the manufacture of important steel structures such as pressure vessels, pipe sections, box-shaped beams and columns and the like. In the process of processing the round tube, the process of lengthening the tube barrel is carried out after the single tube is qualified. When the pipe barrel is connected, due to the blunt edge deviation of the groove and the gradient error of the pipe end, the circumferential seam of the pipe barrel connected with the pipe barrel can locally generate the blunt edge deviation and the butt joint seam, which directly causes the flowing of a molten pool caused by easy penetration during the bottom welding of submerged arc welding and forms the welding defect. In the conventional method, when pipe barrels are butted, gas shield welding is firstly used at the outer side of a circular seam for bottom sealing welding, and then submerged arc welding is carried out at the inner side.
Disclosure of Invention
To the problem that exists among the prior art, the utility model aims to provide a can avoid the trickling pipe submerged arc welding device of preventing welding and wearing of welding molten bath.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a weld penetration resistant submerged arc welding apparatus for a round tube comprising: the welding flux hopper is characterized in that a strong spring used for connecting the bottom plate and the welding flux hopper is arranged between the bottom plate and the welding flux hopper, and arc-shaped grooves used for placing round tubes are formed in the tops of two side faces of the welding flux hopper.
As a further explanation of the above solution, a traveling mechanism is provided at the bottom of the bottom plate.
As a further explanation of the above scheme, the traveling mechanism is a pulley with a brake.
As a further explanation of the scheme, the device also comprises a roller frame used for rotating the round pipe to be processed.
As a further explanation of the above scheme, the roller frame includes a support table and a roller set disposed on the support table, the roller set is slidably disposed on the support table, the roller set includes two pairs of rollers for supporting a circular tube to be processed, and axes of the two pairs of rollers are parallel.
As a further explanation of the above solution, the four strong springs are respectively disposed at the bottoms of the four end corners of the flux hopper.
As a further explanation of the above scheme, a pipe butt joint circular seam is formed between the two circular pipes, and the blunt edge of the inner groove of the pipe butt joint circular seam is 5 mm.
As a further explanation of the above solution, the power spring is welded to the flux bucket; the strong spring is welded with the bottom plate.
The utility model has the advantages that:
the submerged-arc welding method has the advantages that manual and material cost is saved by avoiding back welding on the outer side of the circumferential seam, submerged-arc welding is directly used for backing welding on the inner side, and even if the root of a local groove is gapped, a submerged-arc welding flux is padded on the outer side of the circumferential seam through the strong spring and the flux hopper, a welding pool cannot flow, so that the risk of welding penetration during the backing welding of the submerged-arc welding is avoided.
And secondly, the round pipe submerged arc welding device is convenient to move due to the arrangement of the pulley with the brake, so that the use flexibility is improved.
Drawings
Fig. 1 shows the structure diagram of the circular tube submerged arc welding device for preventing welding penetration provided by the utility model.
Fig. 2 is a front view of the welding penetration prevention circular tube submerged arc welding device provided by the present invention.
Fig. 3 is a side view of the welding penetration prevention circular tube submerged arc welding device provided by the present invention.
Description of reference numerals:
1: bottom plate, 2: strong spring, 3: flux hopper, 4: pipe butt joint circular seam, 5: the submerged-arc welding flux is used for welding,
6: and (4) welding the welding gun.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
As shown in fig. 1 to 3, a circular tube submerged arc welding device for preventing welding penetration includes: the welding flux hopper is characterized in that a strong spring 2 used for connecting the bottom plate 1 and the welding flux hopper 3 is arranged between the bottom plate 1 and the welding flux hopper 3, and arc-shaped grooves used for placing round tubes are formed in the tops of two side faces of the welding flux hopper 3. The welding flux hopper is opened above and filled with the submerged arc welding flux inside, the circular tube is always in contact with the welding flux hopper through the strong spring, the arc-shaped groove is formed for placing the circular tube, and the submerged arc welding flux is kept outside the butt joint circular seam while the circular tube is convenient to rotate.
And a traveling mechanism is arranged at the bottom of the base 1. The running mechanism is a pulley with a brake. The arrangement of the pulley with the brake enables the circular tube submerged arc welding device to be convenient to move and flexible to use. The number of the pulleys with the brakes is four, and the pulleys are respectively arranged at the bottoms of the four end corners of the bottom plate.
The pipe processing device is characterized by further comprising a roller frame which is used for rotating a pipe to be processed, wherein the roller frame comprises a supporting table and a roller group arranged on the supporting table, the roller group is arranged on the supporting table in a sliding mode, the roller group comprises two pairs of rollers for supporting a pipe to be processed, and the axes of the two pairs of rollers are parallel. The roller frames are divided into two groups and used for respectively rotating a first circular tube and a second circular tube to be welded, the submerged arc welding device is arranged between the two groups of roller frames, the circular tubes are arranged on the roller frames, and the height of the welding flux hopper is higher than that of the circular tubes, so that the welding flux hopper downwards compresses the powerful spring under the action of gravity of the circular tubes.
The number of the strong springs 2 is four, and the strong springs are respectively arranged at the bottoms of the four end corners of the bottom plate. The stability of the flux hopper is increased.
The strong spring 2 is welded with the bottom plate 1; the strong spring 2 is welded with the flux hopper 3.
When the welding gun is in actual use, submerged-arc welding flux 5 is filled in the flux hopper 3, a truncated edge of 5mm is reserved at the slope of the inner side of the pipe butt-joint circumferential seam 4, the outer side of the pipe butt-joint circumferential seam is attached to the submerged-arc welding flux 5 in the flux hopper before submerged-arc welding backing welding, a welding gun 6 is used for welding the pipe butt-joint circumferential seam 4 in the circumferential welding process, the circular pipe is driven by a roller frame to rotate at a constant speed, and the outer side of the welding position in the backing welding process is always attached to the submerged-arc welding flux in the flux hopper, so that the effect of avoiding welding penetration is achieved.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.
Claims (8)
1. A weld penetration resistant submerged arc welding apparatus for a round tube comprising: the welding flux hopper is characterized in that a strong spring used for connecting the bottom plate and the welding flux hopper is arranged between the bottom plate and the welding flux hopper, and arc-shaped grooves used for placing round tubes are formed in the tops of two side faces of the welding flux hopper.
2. A penetration resistant circular tube submerged arc welding apparatus as claimed in claim 1, wherein a traveling mechanism is provided at the bottom of said base plate.
3. A weld penetration prevention circular tube submerged arc welding device according to claim 2, wherein the traveling mechanism is a pulley with a brake.
4. A weld penetration resistant submerged arc welding apparatus as claimed in claim 1 further comprising a roller carriage for rotating the pipe to be processed.
5. A penetration preventing submerged arc welding device for round tubes as claimed in claim 4, wherein said roller frame comprises a support table and a roller set arranged on said support table, said roller set is slidably arranged on said support table, said roller set comprises two pairs of rollers for supporting the round tube to be processed, and the axes of said two pairs of rollers are parallel.
6. A penetration resistant circular tube submerged arc welding apparatus as claimed in claim 1, wherein said four power springs are provided at the bottom of the four end corners of said flux bucket, respectively.
7. The submerged arc welding device for the circular pipes with the welding penetration prevention function of claim 1, wherein a pipe butt joint circular seam is formed between the two circular pipes, and the truncated edge of the inner groove of the pipe butt joint circular seam is 5 mm.
8. A break-through resistant submerged arc welding apparatus for round tubes as claimed in claim 1 wherein said power spring is welded to said flux hopper; the strong spring is welded with the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023050113.2U CN213998167U (en) | 2020-12-17 | 2020-12-17 | Circular tube submerged arc welding device capable of preventing welding penetration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023050113.2U CN213998167U (en) | 2020-12-17 | 2020-12-17 | Circular tube submerged arc welding device capable of preventing welding penetration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213998167U true CN213998167U (en) | 2021-08-20 |
Family
ID=77312294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023050113.2U Active CN213998167U (en) | 2020-12-17 | 2020-12-17 | Circular tube submerged arc welding device capable of preventing welding penetration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213998167U (en) |
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2020
- 2020-12-17 CN CN202023050113.2U patent/CN213998167U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A submerged arc welding device for round pipes to prevent welding penetration Granted publication date: 20210820 Pledgee: China Co. truction Bank Corp Foshan branch Pledgor: Guangdong Xinyuan steel pipe manufacturing Co.,Ltd. Registration number: Y2024980007963 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |