Welded flange flanging equipment

Abstract

The utility model discloses a welding flange flanging device which comprises a machining table and supporting legs. According to the utility model, the extrusion sleeve and the supporting sleeve are adopted, so that in the actual use process, a welding flange needing to be subjected to flanging treatment can be placed at the peripheral position of the inner cylinder by personnel; then a first adjusting rod and a second adjusting rod are respectively rotated to respectively drive a first driving gear and a second driving gear to drive a first transmission gear and a second transmission gear, so that two groups of transmission shafts connected with the two groups of transmission gears can rotate; therefore, power can be transmitted to the two sets of moving rods, then extrusion sleeves are driven to extrude inwards, supporting sleeves move outwards, the purpose of synchronously fixing the two sides of the interior of a flange is achieved, the fixing area of the flange can be enlarged, the fixing effect of the flange can be improved, follow-up flanging operation is facilitated, and the production efficiency is improved. The fixing device has the advantages of double fixation and good fixing effect.

Description

Technical Field

[0001] The utility model relates to the technical field of flange forming equipment, in particular to a welding flange flanging equipment. Background Art

[0002] Welding flange connection is to fix two pipes, pipe fittings or equipment on a welding. Between the two weldings, add flange gaskets and fasten them together with bolts to complete the connection. Welding is an important connection method for high-pressure pipeline construction. Welding flange connection is easy to use and can withstand greater pressure. Welding flanges are widely used in petroleum, chemical, natural gas, power stations, metallurgical pipelines and other fields.

[0003] The publication number in the existing public technology is: CN211803470U. A flange flanging machine includes a base and two support plates, the two support plates are symmetrically arranged at both ends of the upper side wall of the base, one of the support plates is fixedly provided with a driving motor on the side wall away from the other support plate, the output shaft of the driving motor passes through the support plate and is fixedly connected to a feeding barrel, a stopper is provided at one end of the feeding barrel away from the driving motor, a rotating rod is rotatably connected to the stopper, the rotating rod passes through the stopper inwardly and is fixed with a uniformly distributed first bevel gear, a second bevel gear matching the corresponding first bevel gear is provided in the feeding barrel, and each second bevel gear is rotatably connected to the inner wall of the feeding barrel through a corresponding screw rod, and a corresponding rotating nut is threadedly connected to the screw rod. The utility model can complete the feeding and fixing of flanges to be flanging with different inner diameters, without the need to disassemble and replace the feeding shaft back and forth, the operation is relatively convenient, the rotating rod is locked twice, and the fixing effect of the flange to be flanging is improved.

[0004] However, the above patent still has certain disadvantages when in use: although it can restrict and fix the inside of the processed flange through an arc-shaped support sleeve, the outer surface of the flange lacks fixing measures and is prone to movement during high-speed rotation, which greatly reduces the stability of the flange and is not conducive to subsequent flanging operations. In addition, the flanging mechanism is fixed and can only perform flanging operations of specific sizes. The scope of application of the flanging operation is relatively small, which reduces the flexibility of the device.

[0005] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] In view of the deficiencies in the prior art, the utility model provides a welding flange flanging device, which has the advantages of double fixation, good fixation effect and wide flanging range, thereby solving the problems in the above-mentioned background technology.

[0008] (II) Technical solution

[0009] In order to achieve the above advantages of double fixation, good fixation effect and wide flanging range, the specific technical solutions adopted by the utility model are as follows:

[0010] A welding flange flanging device comprises a processing table and supporting legs, wherein supporting plates are symmetrically welded at both sides of the top of the processing table, a driving shaft is rotatably connected at the middle position of the surface of the supporting plate located on one side, one end of the driving shaft is connected to a motor, and the other end of the driving shaft is connected to an inner cylinder, an outer cylinder is welded at the outer periphery of the inner cylinder, and first adjusting rods are symmetrically rotatably connected at the inner positions of both sides of the surface of the outer cylinder, a plurality of groups of first driving gears are evenly sleeved at the outer periphery of the first adjusting rod, a first transmission gear is meshed and connected at the bottom of the first driving gear, a first transmission shaft is installed at the bottom of the first transmission gear, and the bottom end of the first transmission shaft The position is rotatably connected to the inner wall of the outer cylinder, the first transmission shaft is sleeved with a first moving rod, one end of the first moving rod passes through one side of the outer cylinder and is connected to the extrusion sleeve, the middle position inside the inner cylinder is rotatably connected with a second adjusting rod, the outer periphery of the second adjusting rod is evenly sleeved with a plurality of groups of second driving gears, the surface of the second driving gear is symmetrically meshed with a plurality of groups of second transmission gears, a second transmission shaft is installed at the bottom of the second transmission gear, the bottom end of the second transmission shaft is rotatably connected to the two ends of the inner wall of the inner cylinder, the outer periphery of the second transmission shaft is sleeved with a second moving rod, one end of the second moving rod passes through one side of the inner cylinder and is connected to the supporting sleeve.

[0011] Furthermore, a hydraulic rod is fixedly installed in the middle position of the surface of the support plate located on the other side, a flanging ring is fixedly installed at one end of the hydraulic rod, a bidirectional screw is provided in the middle position inside the flanging ring, and movable seats are symmetrically sleeved at the outer periphery of both ends of the bidirectional screw, and one end of the movable seat passes through one side of the flanging ring and is connected to the flanging wheel.

[0012] Furthermore, knobs are welded at the end positions of the first adjusting rod, the second adjusting rod and the bidirectional screw rod, and plug rods are symmetrically slidably connected to both sides of the knob surface. A pull plate is welded at the top of the plug rod, and a spring is sleeved on the periphery of the plug rod, and both ends of the spring are respectively fixed to the knob and the pull plate surface.

[0013] Furthermore, the outer cylinder, the inner cylinder and the surface of the flanged ring are all surrounded by a plurality of positioning holes for inserting the insertion rods.

[0014] Furthermore, a plurality of groups of supporting legs are symmetrically installed on both sides of the bottom of the processing table.

[0015] Furthermore, an arc-shaped groove is provided on the surface of the extrusion sleeve.

[0016] Furthermore, the surface of the support sleeve is provided with an arc-shaped protrusion.

[0017] Furthermore, rubber pads are provided on the surfaces of the extrusion sleeve and the support sleeve.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the utility model provides a welding flange flanging device, which has the following beneficial effects:

[0020] (1) The utility model adopts an extrusion sleeve and a support sleeve. In actual use, personnel can place the welding flange that needs to be flanging on the outer periphery of the inner cylinder, and then rotate the first adjusting rod and the second adjusting rod respectively to drive the first driving gear and the second driving gear to drive the first transmission gear and the second transmission gear, so that the two sets of transmission shafts connected by the two sets of transmission gears can rotate. Since one end of the two sets of transmission shafts is restricted, power can be transmitted to the two sets of moving rods, and then the extrusion sleeve is driven to be squeezed inward and the support sleeve is driven to be moved outward, so as to achieve the purpose of synchronously fixing the two sides of the flange. Not only can the fixing area of ​​the flange be expanded, but also the fixing effect of the flange can be improved synchronously, which is convenient for subsequent flanging operations, and has the advantages of double fixation and good fixing effect.

[0021] (2) The utility model adopts a bidirectional screw. After the flange is fixed, the personnel can rotate the bidirectional screw according to the different sizes of the flanging to be performed, so that the flanging wheels on both sides can move synchronously, and then the distance between the two can be adapted to the size of the flanging. Then, the hydraulic rod can be pushed out to drive the flanging wheel to contact the flange, and then the motor can rotate to make the end of the flange contact and rotate with the flanging wheel, thereby realizing all-round flanging operation on the flange end, which has the advantage of a wide flanging range. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a structural schematic diagram of a welding flange flanging device proposed by the utility model;

[0024] Figure 2 It is a cross-sectional view of the connection between the inner cylinder and the outer cylinder of the utility model;

[0025] Figure 3It is a schematic diagram of the connection between the pull plate and the knob of the utility model;

[0026] Figure 4 It is a structural schematic diagram of the support sleeve and the extrusion sleeve of the utility model.

[0027] In the figure:

[0028] 1. Processing table; 2. Support plate; 3. Motor; 4. Drive shaft; 5. Inner cylinder; 6. Outer cylinder; 7. First adjusting rod; 8. First driving gear; 9. First transmission gear; 10. First transmission shaft; 11. First moving rod; 12. Extrusion sleeve; 13. Second adjusting rod; 14. Spring; 15. Knob; 16. Pull plate; 17. Positioning hole; 18. Bidirectional screw; 19. Flanging ring; 20. Hydraulic rod; 21. Moving seat; 22. Support leg; 23. Flanging wheel; 24. Insert rod; 25. Support sleeve; 26. Second driving gear; 27. Second moving rod; 28. Second transmission shaft; 29. ​​Second transmission gear. DETAILED DESCRIPTION

[0029] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0030] According to an embodiment of the utility model, a welding flange flanging device is provided.

[0031] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-4As shown, a welding flange flanging device according to an embodiment of the utility model comprises a processing table 1 and a supporting leg 22, support plates 2 are symmetrically welded at both sides of the top of the processing table 1, a driving shaft 4 is rotatably connected to the middle position of the surface of the support plate 2 located on one side, a motor 3 is connected to one end of the driving shaft 4, and the other end of the driving shaft 4 is connected to an inner cylinder 5, an outer cylinder 6 is welded at the outer peripheral position of the inner cylinder 5, and first adjusting rods 7 are symmetrically rotatably connected to the inner positions of the two sides of the surface of the outer cylinder 6, and a plurality of groups of first driving gears 8 are evenly sleeved at the outer peripheral position of the first adjusting rod 7, and the first driving gear 8 is meshed and connected with a first transmission gear 9 at the bottom position, and a first transmission shaft 10 is installed at the bottom position of the first transmission gear 9, and the bottom end of the first transmission shaft 10 is The first transmission shaft 10 is rotatably connected to the inner wall of the outer cylinder 6, and the first moving rod 11 is sleeved on the outer periphery of the first transmission shaft 10. One end of the first moving rod 11 passes through one side of the outer cylinder 6 and is connected to the extrusion sleeve 12. The second adjusting rod 13 is rotatably connected to the middle position inside the inner cylinder 5. A plurality of groups of second driving gears 26 are evenly sleeved on the outer periphery of the second adjusting rod 13. A plurality of groups of second transmission gears 29 are symmetrically meshed and connected on the surface of the second driving gear 26. A second transmission shaft 28 is installed at the bottom of the second transmission gear 29. The bottom end of the second transmission shaft 28 is rotatably connected to the two ends of the inner wall of the inner cylinder 5. A second moving rod 27 is sleeved on the outer periphery of the second transmission shaft 28. One end of the second moving rod 27 passes through one side of the inner cylinder 5 and is connected to the support sleeve 25.

[0032] In one embodiment, a hydraulic rod 20 is fixedly installed in the middle position of the surface of the support plate 2 located on the other side, and a flanging ring 19 is fixedly installed at one end of the hydraulic rod 20. A bidirectional screw 18 is provided in the middle position inside the flanging ring 19, and a movable seat 21 is symmetrically sleeved on the outer periphery of both ends of the bidirectional screw 18. One end of the movable seat 21 passes through one side of the flanging ring 19 and is connected to the flanging wheel 23. The flanging wheel 23 is widely used in flanging machines and belongs to a mature prior art. It does not belong to the innovative part of the present utility model, and will not be introduced in detail in the present utility model.

[0033] In one embodiment, knobs 15 are welded to the end positions of the first adjusting rod 7, the second adjusting rod 13 and the bidirectional screw 18, and the two sides of the knob 15 surface are symmetrically slidably connected with the insertion rod 24, and the pull plate 16 is welded to the top of the insertion rod 24. A spring 14 is sleeved on the outer periphery of the insertion rod 24, and the two ends of the spring 14 are respectively fixed to the knob 15 and the surface of the pull plate 16. The knob 15 is provided to facilitate the adjustment of the structure and to facilitate the subsequent fixing operation of different welding flanges.

[0034] In one embodiment, a plurality of positioning holes 17 for inserting the insertion rod 24 are arranged around the surface of the outer tube 6, the inner tube 5 and the flange ring 19. The positioning holes 17 are provided to fix the insertion rod 24, thereby fixing the knob 15 after adjustment is completed to avoid loosening of the structure due to subsequent movement.

[0035] In one embodiment, a plurality of groups of supporting legs 22 are symmetrically installed on both sides of the bottom of the processing table 1, and the supporting legs 22 can be used to fix the entire device, so as to enhance the overall stability in use.

[0036] In one embodiment, an arc-shaped groove is provided on the surface of the extrusion sleeve 12. The arc-shaped groove is provided to extrude and fix the outer surface of the welding flange. At the same time, when used in conjunction with the support sleeve 25, it can achieve the purpose of synchronously supporting the inside and outside of the welding flange, thereby improving the fixing effect thereof.

[0037] In one embodiment, an arc-shaped protrusion is provided on the surface of the support sleeve 25, and the arc-shaped protrusion is provided to support and fix the inner diameter of the welding flange.

[0038] In one embodiment, rubber pads are provided on the surfaces of the extrusion sleeve 12 and the support sleeve 25. The rubber pads are provided to increase the contact friction with the welding flange and reduce the extrusion damage to the welding flange.

[0039] Working principle: In actual use, personnel can place the welding flange that needs to be flanging on the outer periphery of the inner tube 5, and then rotate the first adjusting rod 7 and the second adjusting rod 13 to drive the first driving gear 8 and the second driving gear 26 to drive the first transmission gear 9 and the second transmission gear 29, so that the two transmission shafts connected by the two transmission gears can rotate. Since one end of the two transmission shafts is restricted, the power can be transmitted to the two moving rods, and then the extrusion sleeve 12 is driven to squeeze inward and the support sleeve 25 is moved outward, so as to achieve the purpose of synchronously fixing the two sides of the flange, which can not only expand The synchronous fixing area of ​​the flange can improve the fixing effect of the flange and facilitate the subsequent flanging operation. Then, after the flange is fixed, the personnel can rotate the bidirectional screw 18 according to the different sizes of the flanging required, so that the flanging wheels 23 on both sides can move synchronously, so that the distance between the two can be adapted to the size of the flanging. Then, the hydraulic rod 20 can be pushed out to drive the flanging wheel 23 to contact the flange, and then the motor 3 can rotate to make the end of the flange contact and rotate with the flanging wheel 23, thereby realizing all-round flanging operation on the end of the flange. The device as a whole has the advantages of double fixation, good fixing effect and wide flanging range.

[0040] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding flange flanging device, comprising a processing table (1) and a support leg (22), characterized in that: Support plates (2) are symmetrically welded to both sides of the top of the processing table (1); a driving shaft (4) is rotatably connected to the middle of the surface of the support plate (2) located at one side; one end of the driving shaft (4) is connected to a motor (3); the other end of the driving shaft (4) is connected to an inner cylinder (5); an outer cylinder (6) is welded to the outer periphery of the inner cylinder (5); first adjusting rods (7) are symmetrically rotatably connected to the inner positions of both sides of the surface of the outer cylinder (6); a plurality of groups of first driving gears (8) are evenly sleeved on the outer periphery of the first adjusting rod (7); the first driving gear (8) is meshed with a first transmission gear (9) at the bottom; a first transmission shaft (10) is installed at the bottom of the first transmission gear (9); the bottom end of the first transmission shaft (10) is rotatably connected to the inner wall of the outer cylinder (6); A first moving rod (11) is sleeved on the outer periphery of the moving shaft (10), one end of the first moving rod (11) passes through one side of the outer cylinder (6) and is connected to the extrusion sleeve (12), a second adjusting rod (13) is rotatably connected to the middle position inside the inner cylinder (5), a plurality of groups of second driving gears (26) are evenly sleeved on the outer periphery of the second adjusting rod (13), a plurality of groups of second transmission gears (29) are symmetrically meshed and connected on the surface of the second driving gear (26), a second transmission shaft (28) is installed at the bottom of the second transmission gear (29), the bottom end of the second transmission shaft (28) is rotatably connected to the two ends of the inner wall of the inner cylinder (5), a second moving rod (27) is sleeved on the outer periphery of the second transmission shaft (28), one end of the second moving rod (27) passes through one side of the inner cylinder (5) and is connected to the support sleeve (25).

2. A welding flange flanging device according to claim 1, characterized in that: A hydraulic rod (20) is fixedly installed at the middle position of the surface of the support plate (2) located at the other side, and a flanging ring (19) is fixedly installed at one end of the hydraulic rod (20). A bidirectional screw rod (18) is provided at the middle position inside the flanging ring (19). A movable seat (21) is symmetrically sleeved at the outer periphery of both ends of the bidirectional screw rod (18), and one end of the movable seat (21) passes through one side of the flanging ring (19) and is connected to a flanging wheel (23).

3. The welding flange flanging equipment according to claim 1, characterized in that: The first adjusting rod (7), the second adjusting rod (13) and the end of the bidirectional screw rod (18) are all welded with knobs (15), and the two sides of the surface of the knob (15) are symmetrically slidably connected with plug rods (24), and the top of the plug rod (24) is welded with a pull plate (16), and the outer periphery of the plug rod (24) is provided with a spring (14), and the two ends of the spring (14) are respectively fixed to the surface of the knob (15) and the pull plate (16).

4. The welding flange flanging equipment according to claim 1, characterized in that: The outer cylinder (6), the inner cylinder (5) and the flanged ring (19) are all provided with a plurality of groups of positioning holes (17) for inserting the insertion rod (24) around the surface.

5. The welding flange flanging equipment according to claim 1, characterized in that: A plurality of groups of supporting legs (22) are symmetrically mounted on both sides of the bottom of the processing table (1).

6. The welding flange flanging equipment according to claim 1, characterized in that: The surface of the extrusion sleeve (12) is provided with an arc-shaped groove.

7. The welding flange flanging equipment according to claim 1, characterized in that: The surface of the support sleeve (25) is provided with an arc-shaped protrusion.

8. The welding flange flanging equipment according to claim 1, characterized in that: Rubber pads are provided on the surfaces of the extrusion sleeve (12) and the support sleeve (25).

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