Double-wire submerged arc welding machine for spiral welded pipe

Abstract

The utility model relates to the technical field of welding machines, and discloses a spiral welded pipe double-wire submerged arc welding machine which comprises a welding table and a connecting plate, a stabilizing mechanism is arranged on the upper surface of the welding table, and the stabilizing mechanism comprises an electric telescopic rod, a balancing weight, a support, a rectangular plate and a cross-shaped frame. And one end of the electric telescopic rod is fixedly connected with the interior of the welding table. According to the double-wire submerged arc welding machine for the spiral welded pipe, the balancing weight is driven to move on the inner wall of the welding table, when the balancing weight moves, the material box, the connecting pipe and the welding head can move synchronously, the stability and safety of the welding head during working are guaranteed, and then when welding is conducted at different heights, the welding head can be driven to rotate through the power effect of the hydraulic cylinder arranged at the bottom of the rectangular plate. And therefore, the problem of how to ensure the overall stability and safety during welding is solved, the effect of synchronously moving the balancing weight during movable welding can be achieved, the welding stability in practice is improved, and popularization and application in practice are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of welding machines, in particular to a spiral welded pipe double-wire submerged arc welding machine. Background Art

[0002] Submerged arc welding machine is a welding equipment that uses electric arc to burn under the flux layer for welding. It has the advantages of stable welding quality, high welding productivity, no arc light and very little smoke. When welding spiral welded pipes, double-wire submerged arc welding technology is used. It has fast welding speed and high thermal efficiency, which can significantly reduce energy consumption and production costs.

[0003] According to a spiral welded pipe double-wire submerged arc welding machine with application number CN202321739396.2, this solution solves the problem of how to adjust the welding head position according to the size of the weldment and improve the practicality of the double-wire submerged arc welding machine.

[0004] However, the following problems still exist in actual use:

[0005] (1) It is impossible to synchronously adjust the position of the counterweight according to the actual welding position, which will reduce the overall stability in practice. The overall safety during use is poor, which is not conducive to promotion and operation in practice.

[0006] (2) The residual solder is blown away by a fan, and the residual solder cannot be collected and processed in a centralized manner, which will increase the cleaning burden of subsequent staff, is not conducive to its efficient use in practice, and will also reduce the overall efficiency of use in practice.

[0007] For this purpose, the utility model introduces a spiral welded pipe double-wire submerged arc welding machine. Utility Model Content

[0008] In view of the shortcomings of the existing technology, the utility model provides a spiral welded pipe double-wire submerged arc welding machine, which has the advantages of being more stable when welding at different positions and being able to centrally collect residual solder, solving the problems raised in the background technology.

[0009] The utility model provides the following technical solution: a spiral welded pipe double-wire submerged arc welding machine, comprising a welding table and a connecting plate, the upper surface of the welding table is provided with a stabilizing mechanism, the stabilizing mechanism comprising an electric telescopic rod, a counterweight, a bracket, a rectangular plate and a cross-shaped frame, one end of the electric telescopic rod is fixedly connected to the interior of the welding table, the left side of the counterweight is fixedly connected to the other end of the electric telescopic rod, and the bottom of the counterweight is slidably connected to the upper surface of the welding table, the bottom of the bracket is fixedly connected to the upper surface of the counterweight, the bottom of the rectangular plate is fixedly connected to the top of the bracket, the bottom of the cross-shaped frame is fixedly connected to the upper surface of the welding table, and the front of the cross-shaped frame is slidably connected to the back of the rectangular plate.

[0010] Preferably, a collection mechanism is provided on the upper surface of the welding table, and the collection mechanism includes a placement plate, a collection box, an electric slide rail, an electric slider and a cleaning brush. The bottom of the placement plate is fixedly connected to the upper surface of the welding table, the outer surface of the collection box is clamped with the interior of the welding table, the bottom of the electric slide rail is fixedly connected to the upper surface of the welding table, the interior of the electric slider is slidably connected to the outer surface of the electric slide rail, the back of the cleaning brush is fixedly connected to the front of the electric slider, and the bottom of the cleaning brush is in contact with the top of the placement plate.

[0011] Preferably, a hydraulic cylinder is fixedly installed on the bottom of the rectangular plate, an output shaft of the hydraulic cylinder is fixedly connected to a hydraulic rod, and one end of the hydraulic rod is fixedly connected to the bottom of the connecting plate.

[0012] Preferably, extension plates are fixedly mounted on both sides of the connecting plate, a telescopic shaft is fixedly mounted on the bottom of the extension plate, and one end of the telescopic shaft is fixedly connected to the upper surface of the welding table.

[0013] Preferably, a material box is provided on the upper surface of the connecting plate, a connecting pipe is provided inside the material box, and a welding head is fixedly installed at one end of the connecting pipe.

[0014] Preferably, a support frame is fixedly installed on the bottom of the welding table, the internal thread of the support frame is connected to a fixing screw, and the outer surface of the fixing screw is connected to the internal thread of the collection box, and a fixing block is fixedly installed on one end of the fixing screw.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. This type of spiral welded pipe double-wire submerged arc welding machine, through the use of a stabilizing mechanism, when this type of spiral welded pipe double-wire submerged arc welding machine, when in use, to ensure overall stability for position welding, first, the counterweight block is driven to move on the inner wall of the welding table. When the counterweight block moves, the material box, connecting pipe and welding head can be moved synchronously to ensure its stability and safety during work. Then, when welding at different heights, the power of the hydraulic cylinder set at the bottom of the rectangular plate can be used to drive the extension and retraction of the hydraulic rod. At the same time as the hydraulic rod is extended and retracted, the telescopic shaft fixedly installed between the extension plate and the welding table can be extended and retracted synchronously to ensure the stability of the equipment when the height changes, thereby solving the problem of how to ensure overall stability and safety during welding, and can achieve the effect of synchronously moving the counterweight block during mobile welding, and improve the actual welding stability, which is conducive to its promotion and use in practice.

[0017] 2. This type of spiral welded pipe double-wire submerged arc welding machine, through the use of a collecting mechanism, when this type of spiral welded pipe double-wire submerged arc welding machine, when in use, when collecting and processing the residual solder after the welding machine, first, while the electric slider slides inside the electric slide rail, the cleaning brush can be slid synchronously, and when sliding, the residual solder can be moved to the inside of the collection box, and then the fixed block can be rotated to take out the fixed screw from the inside of the collection box and the support frame, and the collection box can be taken out from the inside of the welding table, and the collected solder residues can be centrally processed and used, which effectively solves the problem of how to centrally clean the residual solder, and can achieve the effect of facilitating the collection and processing of the residual solder, reducing the subsequent burden on the staff, and is conducive to more efficient use in practice, and will also improve the efficiency of actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 A side structural diagram of

[0020] Figure 3 For this utility model Figure 1 Schematic diagram of the stabilizing mechanism structure;

[0021] Figure 4 For this utility model Figure 1 Schematic diagram of the collection mechanism structure.

[0022] In the figure: 1. Welding table; 2. Electric telescopic rod; 3. Counterweight; 4. Bracket; 5. Rectangular plate; 6. Cross frame; 7. Hydraulic cylinder; 8. Hydraulic rod; 9. Connecting plate; 10. Extension plate; 11. Telescopic shaft; 12. Material box; 13. Connecting pipe; 14. Welding head; 15. Electric slide rail; 16. Electric slider; 17. Cleaning brush; 18. Placement plate; 19. Collection box; 20. Support frame; 21. Fixing screw; 22. Fixing block; 23. Stabilizing mechanism; 24. Collection mechanism. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 3A spiral welded pipe double-wire submerged arc welding machine includes a welding table 1 and a connecting plate 9. A stabilizing mechanism 23 is provided on the upper surface of the welding table 1. The stabilizing mechanism 23 includes an electric telescopic rod 2, a counterweight 3, a bracket 4, a rectangular plate 5 and a cross-shaped frame 6. One end of the electric telescopic rod 2 is fixedly connected to the inside of the welding table 1, the left side of the counterweight 3 is fixedly connected to the other end of the electric telescopic rod 2, and the bottom of the counterweight 3 is slidably connected to the upper surface of the welding table 1, the bottom of the bracket 4 is fixedly connected to the upper surface of the counterweight 3, the bottom of the rectangular plate 5 is fixedly connected to the top of the bracket 4, the bottom of the cross-shaped frame 6 is fixedly connected to the upper surface of the welding table 1, and the front of the cross-shaped frame 6 slides with the back of the rectangular plate 5. Dynamic connection, a hydraulic cylinder 7 is fixedly installed on the bottom of the rectangular plate 5, and the output shaft of the hydraulic cylinder 7 is fixedly connected to a hydraulic rod 8, and one end of the hydraulic rod 8 is fixedly connected to the bottom of the connecting plate 9, and extension plates 10 are fixedly installed on both sides of the connecting plate 9. A telescopic shaft 11 is fixedly installed on the bottom of the extension plate 10, and one end of the telescopic shaft 11 is fixedly connected to the upper surface of the welding table 1. Through the use of the electric telescopic rod 2, the counterweight block 3, the bracket 4, the rectangular plate 5 and the cross frame 6 as well as the hydraulic cylinder 7, the hydraulic rod 8, the connecting plate 9 and the telescopic shaft 11, the effect of synchronously moving the counterweight block 3 during mobile welding can be achieved, and the welding stability in practice is improved, which is conducive to promotion and use in practice.

[0025] See also Figure 4 The upper surface of the welding table 1 is provided with a collecting mechanism 24, which includes a placing plate 18, a collecting box 19, an electric slide 15, an electric slider 16 and a cleaning brush 17. The bottom of the placing plate 18 is fixedly connected to the upper surface of the welding table 1, the outer surface of the collecting box 19 is clamped with the inner part of the welding table 1, the bottom of the electric slide 15 is fixedly connected to the upper surface of the welding table 1, the inner part of the electric slider 16 is slidably connected to the outer surface of the electric slide 15, the back of the cleaning brush 17 is fixedly connected to the front of the electric slider 16, and the bottom of the cleaning brush 17 is in contact with the top of the placing plate 18. A support frame 20 is fixedly installed at the bottom of the welding table 1, and the internal thread of the support frame 20 is connected to a fixed screw 21, and the outer surface of the fixed screw 21 is connected to the internal thread of the collection box 19, and a fixed block 22 is fixedly installed at one end of the fixed screw 21. By placing the plate 18, the collection box 19, the electric slide rail 15, the electric slider 16 and the cleaning brush 17 as well as the fixed screw 21 and the fixed block 22, the residual solder can be easily collected and processed, which reduces the subsequent burden on the staff, is conducive to more efficient use in practice, and will also improve the efficiency of use in practice.

[0026] See also Figure 1 and Figure 2A material box 12 is provided on the upper surface of the connecting plate 9, a connecting pipe 13 is provided inside the material box 12, and a welding head 14 is fixedly installed at one end of the connecting pipe 13, which is conducive to more efficient and convenient operation of the equipment in practice.

[0027] Working principle: When in use, while ensuring stability during welding and when welding at different positions, the power of the electric telescopic rod 2 set inside the welding table 1 can drive the counterweight block 3 to move on the inner wall of the welding table 1. When the counterweight block 3 moves, the material box 12, the connecting pipe 13 and the welding head 14 can be moved synchronously to ensure its stability and safety during work. Then, when welding at different heights, the power of the hydraulic cylinder 7 set at the bottom of the rectangular plate 5 can be used to drive the extension and retraction of the hydraulic rod 8. At the same time as the hydraulic rod 8 is extended and retracted, the telescopic shaft 11 fixed between the extension plate 10 and the welding table 1 can be extended and retracted synchronously to ensure the stability of the equipment when the height changes. After reaching the working height, the welding operation is finally performed through the action of the material box 12, the connecting pipe 13 and the welding head 14.

[0028] When cleaning and collecting the residual solder during welding, the electric slide rail 15 is set on the upper surface of the welding table 1, so that the electric slider 16 can slide on the outer surface of the electric slide rail 15. While the electric slider 16 slides, the cleaning brush 17 can slide synchronously. During sliding, the residual solder can be moved to the inside of the collection box 19. After that, the fixed block 22 can be rotated to take the fixed screw 21 out of the collection box 19 and the support frame 20, and then the collection box 19 can be taken out from the inside of the welding table 1.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-wire submerged arc welding machine for spiral welded pipes, characterized by: The invention comprises a welding platform (1) and a connecting plate (9), wherein the upper surface of the welding platform (1) is provided with a stabilizing mechanism (23), wherein the stabilizing mechanism (23) comprises an electric telescopic rod (2), a counterweight (3), a bracket (4), a rectangular plate (5) and a cross-shaped frame (6), wherein one end of the electric telescopic rod (2) is fixedly connected to the interior of the welding platform (1), the left side of the counterweight (3) is fixedly connected to the other end of the electric telescopic rod (2), and the bottom of the counterweight (3) is slidably connected to the upper surface of the welding platform (1), the bottom of the bracket (4) is fixedly connected to the upper surface of the counterweight (3), the bottom of the rectangular plate (5) is fixedly connected to the top of the bracket (4), the bottom of the cross-shaped frame (6) is fixedly connected to the upper surface of the welding platform (1), and the front of the cross-shaped frame (6) is slidably connected to the back of the rectangular plate (5).

2. A spiral welded pipe double-wire submerged arc welding machine according to claim 1, characterized in that: The upper surface of the welding table (1) is provided with a collecting mechanism (24), and the collecting mechanism (24) includes a placement plate (18), a collection box (19), an electric slide rail (15), an electric slider (16) and a cleaning brush (17). The bottom of the placement plate (18) is fixedly connected to the upper surface of the welding table (1), the outer surface of the collection box (19) is engaged with the interior of the welding table (1), the bottom of the electric slide rail (15) is fixedly connected to the upper surface of the welding table (1), the interior of the electric slider (16) is slidably connected to the outer surface of the electric slide rail (15), the back of the cleaning brush (17) is fixedly connected to the front of the electric slider (16), and the bottom of the cleaning brush (17) is in contact with the top of the placement plate (18).

3. The spiral welded pipe double-wire submerged arc welding machine according to claim 1, characterized in that: A hydraulic cylinder (7) is fixedly mounted on the bottom of the rectangular plate (5); an output shaft of the hydraulic cylinder (7) is fixedly connected to a hydraulic rod (8); and one end of the hydraulic rod (8) is fixedly connected to the bottom of the connecting plate (9).

4. A spiral welded pipe double-wire submerged arc welding machine according to claim 1, characterized in that: Extension plates (10) are fixedly mounted on both sides of the connecting plate (9), a telescopic shaft (11) is fixedly mounted on the bottom of the extension plate (10), and one end of the telescopic shaft (11) is fixedly connected to the upper surface of the welding table (1).

5. The spiral welded pipe double-wire submerged arc welding machine according to claim 1, characterized in that: A material box (12) is provided on the upper surface of the connecting plate (9), a connecting pipe (13) is provided inside the material box (12), and a welding head (14) is fixedly installed at one end of the connecting pipe (13).

6. The spiral welded pipe double-wire submerged arc welding machine according to claim 1, characterized in that: A support frame (20) is fixedly installed at the bottom of the welding table (1), the internal thread of the support frame (20) is connected to a fixing screw (21), and the outer surface of the fixing screw (21) is connected to the internal thread of the collection box (19), and a fixing block (22) is fixedly installed at one end of the fixing screw (21).

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