Submerged arc welding machine for steel structure welding

Abstract

The utility model relates to the technical field of submerged-arc welding equipment, and discloses a submerged-arc welding machine for welding a steel structure, which comprises a submerged-arc welding head, the outer surface of the submerged-arc welding head is fixedly connected with a support ring, the outer surface of the submerged-arc welding head is sleeved with a mounting pipe, the outer surface of the mounting pipe is in threaded connection with a bolt, and the bolt is in threaded connection with the support ring. The outer surface of the mounting pipe is fixedly connected with a first telescopic rod, and one end of the first telescopic rod is fixedly connected with an adjusting plate. The submerged-arc welding device has the advantages that the distance between the collecting cover and the submerged-arc welding head can be conveniently adjusted, the air cylinder drives the second telescopic rod to drive the high-temperature-resistant plate to move downwards, the high-temperature-resistant plate can bear the high temperature near the welding position, the collecting cover is close to the welding position to suck away redundant welding flux, the welding flux enters the high-temperature-resistant telescopic pipe, and the welding flux is prevented from entering the high-temperature-resistant telescopic pipe. The high-temperature-resistant telescopic pipe can stretch out and draw back along with adjustment and meanwhile can bear the high temperature of the welding flux, the distance between the high-temperature-resistant telescopic pipe and the welding position is adjusted through the descending height of the collecting cover, the cleaning effect on the welding flux is improved, and adjustment is more flexible.

Description

Technical Field

[0001] The utility model relates to the technical field of submerged arc welding equipment, in particular to a submerged arc welding machine used for welding steel structures. Background Art

[0002] Submerged arc welding machine is a welding machine that uses electric arc burning under the flux layer to weld. Its inherent advantages such as stable welding quality, high welding productivity, no arc light and little smoke make it the main welding machine in the production of pressure vessels, pipe section manufacturing, box beam column steel structure, etc.

[0003] In the prior art, Chinese patent publication number CN211759114U discloses a submerged arc welding machine for steel structure welding, including a submerged arc welding machine body, a base is provided at the bottom of the submerged arc welding machine body, two hydraulic rods are vertically provided on both sides of the submerged arc welding machine body, a fixed plate is connected between the top ends of the telescopic rods of the hydraulic rods on the same side, a fixed rod is provided between the hydraulic rods on the same side, the bottom of the fixed rod is welded to the base, a conveyor belt is provided on the left side of the submerged arc welding machine body, a rotating shaft sleeve of the conveyor belt is provided on a long rod, a first support column is welded between the long rod and the base, a first pulley is provided on the rotating shaft on the right side of the conveyor belt, a motor is provided on the left surface of the base, a support rod is welded between the motor and the base, a second pulley is provided at the output end of the motor, a docking platform is provided on the right side of the submerged arc welding machine body, and four second support columns are welded between the bottom of the docking platform and the base. This application provides a convenient, fast and versatile semi-automatic equipment for manual operation of the submerged arc welding machine.

[0004] However, when the utility model is actually used, the existing submerged arc welding machine often uses a vacuum tube to suck away the flux during welding. The vacuum tube needs to move with the welding machine, which is inconvenient to install between the welding machine during use. The adjustability is weak and it is not convenient to adjust the distance between the suction port and the welding point. Therefore, improvement is needed. Utility Model Content

[0005] The utility model aims to provide a submerged arc welding machine for steel structure welding, which has the effects of improving the cleaning effect of flux and making the adjustment more flexible.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a submerged arc welding machine for steel structure welding, comprising a submerged arc welding head, the outer surface of the submerged arc welding head is fixedly connected to a support ring, the outer surface of the submerged arc welding head is sleeved with a mounting tube, the outer surface of the mounting tube is threadedly connected with a bolt, the outer surface of the mounting tube is fixedly connected to a telescopic rod 1, one end of the telescopic rod 1 is fixedly connected to an adjusting plate, the top of the adjusting plate is fixedly connected to a cylinder, the output end of the cylinder is fixedly connected to a telescopic rod 2, the bottom of the telescopic rod 2 is fixedly connected to a high temperature resistant plate, the bottom of the high temperature resistant plate is fixedly connected to a collecting hood, the top of the collecting hood is fixedly connected to a high temperature resistant telescopic tube, and the top of the high temperature resistant telescopic tube is fixedly connected to a dust suction tube.

[0007] By adopting the above technical scheme, the mounting tube is sleeved on the outer surface of the submerged arc welding head during use, the supporting ring supports the mounting tube, and the collecting hood and the submerged arc welding head are connected after being fixed with bolts. The length of the telescopic rod one can be telescopically adjusted, so as to facilitate the adjustment of the distance between the collecting hood and the submerged arc welding head. When the collecting hood is needed to collect dust during welding, the cylinder is started, and the cylinder drives the telescopic rod two to move the high temperature resistant plate downward. The high temperature resistant plate can withstand the high temperature near the welding area. The collecting hood absorbs excess flux near the welding area, and the flux enters the high temperature resistant telescopic tube. The high temperature resistant telescopic tube can be telescoped and extended according to the adjustment, and can withstand the high temperature of the flux. The flux is sucked away from the dust suction tube, and the height of the collecting hood is adjusted to the distance from the welding area, so as to improve the cleaning effect of the flux, and the adjustment is more flexible.

[0008] The utility model is further configured as follows: a sealing ring is fixedly connected to the bottom of the high temperature resistant telescopic tube, and the inner wall of the high temperature resistant telescopic tube is coated with a high temperature resistant coating.

[0009] By adopting the above technical solution, the sealing ring improves the airtightness of the joint, and the high-temperature resistant coating improves the high-temperature resistance effect of the high-temperature resistant telescopic tube.

[0010] The utility model is further configured as follows: a temperature insulating layer is fixedly connected to the outer surface of the collecting hood, and a ceramic protective layer is fixedly connected to the inner wall of the collecting hood.

[0011] By adopting the above technical solution, the thermal insulation layer prevents the surface temperature of the collecting hood from being too high, and the ceramic protective layer has strong wear resistance.

[0012] The utility model is further configured as follows: a sliding hole is provided on the outer surface of the adjustment plate, and a stabilizing rod is fixedly connected to the top of the high temperature resistant plate.

[0013] By adopting the above technical solution, the high temperature resistant plate can drive the stabilizing bar to move at any time when it moves up and down, and the stabilizing bar slides on the inner wall of the sliding hole.

[0014] The utility model is further configured as follows: the stabilizing rod passes through the interior of the sliding hole, and a scale line is fixedly connected to the outer surface of the stabilizing rod.

[0015] By adopting the above technical solution, it is convenient to control the adjustment data through the corresponding scale lines at the sliding hole.

[0016] The utility model is further configured as follows: an annular groove is provided at the bottom of the mounting tube, and a convex ring is fixedly connected to the top of the support ring.

[0017] By adopting the above technical solution, when the mounting pipe is installed, the annular groove and the convex ring correspond to each other.

[0018] The utility model is further configured as follows: the outer surface of the convex ring is clamped with the annular groove, and the bolt passes through the interior of the convex ring.

[0019] By adopting the above technical solution, the bolts fix the mounting tube and the support ring, the mounting method is simple and quick, and it is easy to install and disassemble.

[0020] The utility model is further configured as follows: a threaded hole is provided on the outer surface of the telescopic rod 1, and an adjusting bolt is threadedly connected to the outer surface of the telescopic rod 1.

[0021] By adopting the above technical solution, once the telescopic rod is extended or retracted, the adjusting bolt and the appropriate threaded hole are fixed.

[0022] The utility model is further configured as follows: the outer surface of the adjusting bolt is threadedly connected with the threaded hole, and the number of the threaded holes is several.

[0023] By adopting the above technical solution, the number of threaded holes is large, thereby increasing the adjustment range.

[0024] The utility model is further configured as follows: the number of the bolts is two, and the two bolts are the same in size.

[0025] By adopting the above technical solution, after the mounting pipe is fixed by two bolts, it is more firm and more stable when following the movement.

[0026] The beneficial effects of the utility model are:

[0027] 1. The utility model, through the coordinated arrangement among the submerged arc welding head, the support ring, the mounting tube, the bolts, the telescopic rod one, the adjusting plate, the cylinder, the telescopic rod two, the high temperature resistant plate, the collecting hood, the high temperature resistant telescopic tube and the dust suction tube, can make the collecting hood and the submerged arc welding head connected by the bolts after being fixed when the device is in use, the length of the telescopic rod one can be adjusted telescopically, so as to facilitate the adjustment of the spacing between the collecting hood and the submerged arc welding head, and when the collecting hood is needed to collect dust during welding, the cylinder is started, and the cylinder drives the telescopic rod two to move the high temperature resistant plate downward. The high temperature resistant plate can withstand the high temperature near the welding, and the collecting hood absorbs excess flux near the welding place, and the flux enters the high temperature resistant telescopic tube, which can withstand the high temperature of the flux, and the flux is sucked away from the dust suction tube, and the height of the collecting hood is adjusted by the distance from the welding place, so as to improve the cleaning effect of the flux, and the adjustment is more flexible.

[0028] 2. The utility model, through the coordinated arrangement of the sealing ring, the high-temperature resistant coating, the thermal insulation layer, the ceramic protective layer, the sliding hole, the stabilizing rod, the annular groove, the convex ring, the threaded hole, the adjusting bolt and the scale lines, can make the sealing ring improve the airtightness of the joint when the device is in use, the high-temperature resistant coating improves the high-temperature resistance of the high-temperature resistant telescopic tube, the thermal insulation layer prevents the surface temperature of the collecting cover from being too high, the ceramic protective layer has strong wear resistance, and the corresponding scale lines at the sliding hole make it easy to control the adjustment data. When the installation tube is installed, the annular groove and the convex ring correspond to each other, the installation method is simple and quick, and it is easy to install and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 It is a schematic diagram of the structure of the utility model;

[0031] Figure 2 This is a schematic diagram of the sealing ring structure of the utility model;

[0032] Figure 3 This is a schematic diagram of the structure of the thermal insulation layer of the utility model;

[0033] Figure 4 This is a schematic diagram of the annular groove structure of the utility model.

[0034] In the figure, 1. submerged arc welding head; 2. support ring; 3. mounting tube; 4. bolt; 5. telescopic rod 1; 6. adjustment plate; 7. cylinder; 8. telescopic rod 2; 9. high temperature resistant plate; 10. collection cover; 11. high temperature resistant telescopic tube; 12. dust suction tube; 13. sealing ring; 14. high temperature resistant coating; 15. thermal insulation layer; 16. ceramic protective layer; 17. sliding hole; 18. stabilizing rod; 19. annular groove; 20. convex ring; 21. threaded hole; 22. adjusting bolt; 23. scale line. DETAILED DESCRIPTION

[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Reference Figure 1-4A submerged arc welding machine for steel structure welding comprises a submerged arc welding head 1, a supporting ring 2 is fixedly connected to the outer surface of the submerged arc welding head 1, a mounting tube 3 is sleeved on the outer surface of the submerged arc welding head 1, a bolt 4 is threadedly connected to the outer surface of the mounting tube 3, a telescopic rod 5 is fixedly connected to the outer surface of the mounting tube 3, one end of the telescopic rod 5 is fixedly connected to an adjusting plate 6, a cylinder 7 is fixedly connected to the top of the adjusting plate 6, a telescopic rod 2 8 is fixedly connected to the output end of the cylinder 7, a high temperature resistant plate 9 is fixedly connected to the bottom of the telescopic rod 2 8, a collecting hood 10 is fixedly connected to the bottom of the collecting hood 10, a high temperature resistant telescopic tube 11 is fixedly connected to the top of the collecting hood 10, a dust suction tube 12 is fixedly connected to the top of the high temperature resistant telescopic tube 11, and the mounting tube 3 is sleeved on the submerged arc welding head 1 when in use. The outer surface of the support ring 2 supports the mounting tube 3, and the collecting hood 10 and the submerged arc welding head 1 are connected after being fixed with bolts 4. The length of the telescopic rod 5 can be adjusted telescopically, so as to facilitate the adjustment of the distance between the collecting hood 10 and the submerged arc welding head 1. When the collecting hood 10 is needed to collect dust, the cylinder 7 is started, and the cylinder 7 drives the telescopic rod 8 to drive the high temperature resistant plate 9 to move downward. The high temperature resistant plate 9 can withstand the high temperature near the welding. The collecting hood 10 is close to the welding place to absorb the excess flux, and the flux enters the high temperature resistant telescopic tube 11. The high temperature resistant telescopic tube 11 can be extended and retracted according to the adjustment, and can withstand the high temperature of the flux. The flux is sucked away from the dust suction pipe 12, and the height of the collecting hood 10 is adjusted to the distance from the welding place to improve the control of the flux. The cleaning effect is better, and the adjustment is more flexible. The bottom of the high-temperature resistant telescopic tube 11 is fixedly connected with a sealing ring 13, and the inner wall of the high-temperature resistant telescopic tube 11 is coated with a high-temperature resistant coating 14. The sealing ring 13 improves the airtightness of the connection, and the high-temperature resistant coating 14 improves the high-temperature resistance of the high-temperature resistant telescopic tube 11. The outer surface of the collecting cover 10 is fixedly connected with a thermal insulation layer 15, and the inner wall of the collecting cover 10 is fixedly connected with a ceramic protective layer 16. The thermal insulation layer 15 prevents the surface temperature of the collecting cover 10 from being too high, and the ceramic protective layer 16 has strong wear resistance. A sliding hole 17 is opened on the outer surface of the adjusting plate 6, and a stabilizing rod 18 is fixedly connected to the top of the high-temperature resistant plate 9. The high-temperature resistant plate 9 moves up and down and drives the stabilizing rod 18 to move at any time. The stabilizing rod 18 slides on the inner wall of the sliding hole 17. 18 passes through the interior of the slide hole 17, and the outer surface of the stabilizing rod 18 is fixedly connected with a scale line 23. The scale line 23 corresponding to the slide hole 17 is convenient for controlling the adjustment data. An annular groove 19 is provided at the bottom of the mounting tube 3, and a convex ring 20 is fixedly connected to the top of the support ring 2. When the mounting tube 3 is installed, the annular groove 19 and the convex ring 20 correspond to each other, and the outer surface of the convex ring 20 is clamped with the annular groove 19. The bolt 4 passes through the interior of the convex ring 20, and the bolt 4 fixes the mounting tube 3 and the support ring 2. The installation method is simple and fast, and it is convenient for installation and disassembly. A threaded hole 21 is provided on the outer surface of the telescopic rod 5, and an adjusting bolt 22 is threadedly connected to the outer surface of the telescopic rod 5. After the telescopic rod 5 is extended and retracted, the adjusting bolt 22 and the appropriate threaded hole 21 are fixed.The outer surface of the adjusting bolt 22 is threadedly connected with the threaded hole 21. The number of the threaded holes 21 is several. The number of the threaded holes 21 is large, so as to improve the adjustment range. The number of the bolts 4 is two. The two bolts 4 are of the same size. After the two bolts 4 fix the mounting pipe 3, it is more firm and more stable when following the movement.

[0037] In the utility model, through the coordinated arrangement among the submerged arc welding head 1, the support ring 2, the mounting tube 3, the bolt 4, the telescopic rod 1 5, the adjusting plate 6, the cylinder 7, the telescopic rod 2 8, the high temperature resistant plate 9, the collecting cover 10, the high temperature resistant telescopic tube 11 and the dust suction tube 12, the device can be used. When in use, the mounting tube 3 is sleeved on the outer surface of the submerged arc welding head 1, the supporting ring 2 supports the mounting tube 3, the collecting cover 10 and the submerged arc welding head 1 are connected after being fixed with the bolt 4, the length of the telescopic rod 1 5 can be telescopically adjusted, so as to facilitate the adjustment of the distance between the collecting cover 10 and the submerged arc welding head 1, and when the collecting cover 10 is needed to collect dust, the cylinder 7 is started, and the cylinder 7 drives the telescopic rod 2 8 to drive the high temperature resistant plate 9 to move downward. The high temperature resistant plate 9 can withstand the high temperature near the welding, the collecting cover 10 approaches the welding place to absorb the excess flux, the flux enters the high temperature resistant telescopic tube 11, the high temperature resistant telescopic tube 11 can be telescopically adjusted following the adjustment, and at the same time can withstand the high temperature of the flux, and the flux from the dust suction tube 12 is sucked away, and the distance from the welding place is adjusted by the descending height of the collecting cover 10. Through the matching arrangement among the sealing ring 13, the high temperature resistant coating 14, the thermal insulation layer 15, the ceramic protective layer 16, the sliding hole 17, the stabilizing rod 18, the annular groove 19, the convex ring 20, the threaded hole 21, the adjusting bolt 22 and the scale line 23, when the device is in use, the sealing ring 13 improves the airtightness of the joint, the high temperature resistant coating 14 improves the high temperature resistance effect of the high temperature resistant telescopic tube 11, and the thermal insulation layer 15 To avoid the surface temperature of the collecting cover 10 being too high, the ceramic protective layer 16 has strong wear resistance. The high temperature resistant plate 9 can drive the stabilizing rod 18 to move at any time when moving up and down. The stabilizing rod 18 slides on the inner wall of the sliding hole 17, and the corresponding scale line 23 at the sliding hole 17 is convenient for controlling the adjustment data. When installing the mounting tube 3, the annular groove 19 and the convex ring 20 correspond to each other, and the bolt 4 fixes the mounting tube 3 and the support ring 2. After the telescopic rod 5 is extended and retracted, the adjusting bolt 22 and the appropriate threaded hole 21 are fixed.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A submerged arc welding machine for steel structure welding, comprising a submerged arc welding head (1), Features: The outer surface of the submerged arc welding head (1) is fixedly connected to a support ring (2), the outer surface of the submerged arc welding head (1) is sleeved with a mounting tube (3), the outer surface of the mounting tube (3) is threadedly connected to a bolt (4), the outer surface of the mounting tube (3) is fixedly connected to a telescopic rod (5), one end of the telescopic rod (5) is fixedly connected to an adjustment plate (6), the top of the adjustment plate (6) is fixedly connected to a cylinder (7), the output end of the cylinder (7) is fixedly connected to a telescopic rod (8), the bottom of the telescopic rod (8) is fixedly connected to a high temperature resistant plate (9), the bottom of the high temperature resistant plate (9) is fixedly connected to a collection cover (10), the top of the collection cover (10) is fixedly connected to a high temperature resistant telescopic tube (11), and the top of the high temperature resistant telescopic tube (11) is fixedly connected to a dust suction pipe (12).

2. A submerged arc welding machine for steel structure welding according to claim 1, Features: A sealing ring (13) is fixedly connected to the bottom of the high-temperature resistant telescopic tube (11), and the inner wall of the high-temperature resistant telescopic tube (11) is coated with a high-temperature resistant coating (14).

3. A submerged arc welding machine for steel structure welding according to claim 1, Features: The outer surface of the collecting hood (10) is fixedly connected with a temperature insulation layer (15), and the inner wall of the collecting hood (10) is fixedly connected with a ceramic protective layer (16).

4. A submerged arc welding machine for steel structure welding according to claim 1, Features: The outer surface of the adjustment plate (6) is provided with a sliding hole (17), and the top of the high temperature resistant plate (9) is fixedly connected with a stabilizing rod (18).

5. A submerged arc welding machine for steel structure welding according to claim 4, Features: The stabilizing rod (18) passes through the interior of the sliding hole (17), and a scale line (23) is fixedly connected to the outer surface of the stabilizing rod (18).

6. A submerged arc welding machine for steel structure welding according to claim 1, Features: The bottom of the mounting tube (3) is provided with an annular groove (19), and the top of the support ring (2) is fixedly connected with a convex ring (20).

7. A submerged arc welding machine for steel structure welding according to claim 6, Features: The outer surface of the convex ring (20) is clamped with the annular groove (19), and the bolt (4) passes through the interior of the convex ring (20).

8. A submerged arc welding machine for steel structure welding according to claim 1, Features: A threaded hole (21) is provided on the outer surface of the telescopic rod 1 (5), and an adjusting bolt (22) is threadedly connected to the outer surface of the telescopic rod 1 (5).

9. A submerged arc welding machine for steel structure welding according to claim 8, Features: The outer surface of the adjusting bolt (22) is threadedly connected to the threaded hole (21), and the number of the threaded holes (21) is multiple.

10. A submerged arc welding machine for steel structure welding according to claim 1, Features: The number of the bolts (4) is two, and the two bolts (4) are the same in size.

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