Conical welded pipe correcting device

Abstract

The utility model discloses a conical welded pipe correcting device which comprises a base, a sliding groove is formed in the upper surface of the base, a collecting box is arranged in the sliding groove, the inner wall of the collecting box makes contact with the inner wall of the sliding groove, and two supporting arms are fixedly connected to the upper end of the base. The upper ends of the two supporting arms are jointly connected with a top plate, a plurality of limiting grooves are formed in the side wall of the top plate, positioning rods are arranged in the limiting grooves, and a plurality of threaded holes are formed in the two supporting arms respectively. Through the arrangement of the first sleeve, the ball body and the second sleeve, after a welded pipe is moved between the clamping plates, the rotary knob is screwed to drive the threaded rod to move, finally, the clamping plates on the two sides make contact with the welded pipe, the welded pipes with different diameters can be clamped, corresponding clamps do not need to be frequently replaced, and under the rotation of the ball body, the clamping efficiency is improved. The rotating angle of the clamping plate can be flexibly adjusted, the contact area of the clamping plate and the welded pipe is increased, and the clamping stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welded pipe correction, in particular to a conical welded pipe correction device. Background Art

[0002] Welding defects in stainless steel welded pipes can lead to stress concentration, reduce bearing capacity, shorten service life, and even cause brittle fracture. General technical regulations stipulate that cracks, incomplete penetration, incomplete fusion and surface slag inclusions are not allowed. Defects such as undercuts, internal slag inclusions and pores cannot exceed a certain allowable value. Excessive defects must be thoroughly removed and welded. Flame correction is generally used for treatment. The stainless steel pipe with a bent part is placed on a floor furnace, heated and rotated at the same time. The pipe can be straightened using the pipe's own weight and a wooden hammer with a little external force.

[0003] However, in the actual operation process, the welded pipe is usually manually positioned first and then clamped and fixed, which is cumbersome and cannot guarantee accuracy. When processing workpieces of different diameters, especially when fixing conical welded pipes, multiple adjustments are required as the welding area changes, so the corresponding clamps need to be replaced frequently, which reduces work efficiency. In view of this, the present application proposes a conical welded pipe correction device. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a conical welded pipe correction device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A conical weld pipe correction device comprises a base, the upper surface of the base is provided with a slide groove, the slide groove is provided with a collection box, and the inner wall of the collection box is in contact with the inner wall of the slide groove, the upper end of the base is fixedly connected with two support arms, the upper ends of the two support arms are commonly connected to a top plate, the side walls of the top plate are provided with a plurality of limit grooves, a positioning rod is provided in the limit groove, the two support arms are respectively provided with a plurality of threaded holes, and the plurality of threaded holes are equidistantly arranged, a threaded rod is threadedly connected to the threaded hole, a knob is clamped at one end of the threaded rod, and the other end of the threaded rod is connected to a clamping plate through an adjusting device.

[0007] Preferably, one end of the collection box extends out of the base, and a handle is fixedly mounted on the side wall of the collection box.

[0008] Preferably, the plurality of limiting grooves are arranged at equal distances, and the side walls of the positioning rod are in contact with the inner walls of the corresponding limiting grooves.

[0009] Preferably, the adjusting device comprises a first sleeve, a sphere and a second sleeve, and the sphere is arranged between the first sleeve and the second sleeve, and the diameter of the sphere is larger than the diameters of the first sleeve and the second sleeve.

[0010] Preferably, the inner wall of the first sleeve is fixedly connected to the outer spherical surface of the sphere, and the inner wall of the second sleeve is fixedly connected to the inner spherical surface of the sphere.

[0011] Preferably, the corresponding side walls of the two clamping plates are configured as arc-shaped surfaces, and a plurality of anti-slip rubber strips are respectively provided on the side walls of the two clamping plates.

[0012] The utility model has the following beneficial effects:

[0013] 1. By setting the first sleeve, the sphere and the second sleeve, the welded pipe is moved between the clamps, and then the knob is turned to drive the threaded rod to move, so that the clamps on both sides are finally in contact with the welded pipe, and welded pipes of different diameters can be clamped without frequent replacement of the corresponding clamps. Under the rotation of the sphere, the rotation angle of the clamp can be flexibly adjusted to increase the contact area between the clamp and the welded pipe, thereby improving the stability during clamping.

[0014] 2. By opening multiple limit grooves on the top plate and inserting the positioning rod into the limit grooves at different positions, the welded pipe below can be marked during the clamping and fixing process. When changing the clamping position, the positioning time is shortened, ensuring that the welded pipe moves on the same axis, thereby improving the accuracy of subsequent correction. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of a conical welded pipe correction device proposed by the utility model;

[0016] Figure 2 This is a rear structural schematic diagram of a conical welded pipe correction device proposed by the utility model;

[0017] Figure 3 The utility model is a partial structural schematic diagram of a conical welded pipe correction device.

[0018] In the figure: 1 base, 2 slide groove, 3 collection box, 4 handle, 5 support arm, 6 top plate, 7 limit groove, 8 positioning rod, 9 threaded hole, 10 threaded rod, 11 knob, 12 first sleeve, 13 ball, 14 second sleeve, 15 splint, 16 rubber strip. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-3 A conical welded pipe correction device includes a base 1, a chute 2 is provided on the upper surface of the base 1, a collecting box 3 is provided in the chute 2, and the inner wall of the collecting box 3 contacts the inner wall of the chute 2, one end of the collecting box 3 extends to the outside of the base 1, and a handle 4 is fixedly installed on the side wall of the collecting box 3. Furthermore, impurities generated during the correction process will fall into the collecting box 3 below, and the handle 4 is pulled to take the collecting box 3 out of the chute 2, so that the impurities can be cleaned, which is convenient for keeping the base 1 clean.

[0021] Two support arms 5 are fixedly connected to the upper end of the base 1, and the upper ends of the two support arms 5 are commonly connected to a top plate 6. A plurality of limit grooves 7 are opened on the side walls of the top plate 6, and positioning rods 8 are arranged in the limit grooves 7. The plurality of limit grooves 7 are arranged equidistantly, and the side walls of the positioning rods 8 are in contact with the inner walls of the corresponding limit grooves 7. Furthermore, inserting the positioning rods 8 into the limit grooves 7 at different positions can play a positioning role for the weld pipe below, ensuring that when adjusting the clamping position of the weld pipe, it always keeps moving on the same axis, thereby improving the accuracy of subsequent correction.

[0022] A plurality of threaded holes 9 are respectively provided on the two support arms 5, and the plurality of threaded holes 9 are arranged equidistantly, a threaded rod 10 is threadedly connected to the threaded hole 9, one end of the threaded rod 10 is clamped with a knob 11, after the clamped knob 11 is separated from the threaded rod 10, the threaded rod 10 can be screwed into the threaded holes 9 at different heights, the other end of the threaded rod 10 is connected with a clamping plate 15 through an adjusting device, the corresponding side walls of the two clamping plates 15 are arranged as arc-shaped surfaces, and a plurality of anti-slip rubber strips 16 are respectively arranged on the side walls of the two clamping plates 15, further, the rubber strips 16 can increase the friction between the clamping plate 15 and the welded pipe, improve the stability of clamping, and avoid movement during subsequent processing.

[0023] The adjusting device includes a first sleeve 12, a sphere 13 and a second sleeve 14, and the sphere 13 is arranged between the first sleeve 12 and the second sleeve 14. The diameter of the sphere 13 is larger than the diameters of the first sleeve 12 and the second sleeve 14. The inner wall of the first sleeve 12 is fixedly connected to the outer spherical surface of the sphere 13, and the inner wall of the second sleeve 14 is fixedly connected to the inner spherical surface of the sphere 13. Furthermore, steel balls are filled between the outer spherical surface and the inner spherical surface of the sphere 13. The rotation angle between the first sleeve 12 and the second sleeve 14 on both sides of the sphere 13 can be adjusted by rolling the steel balls, so that the clamping plate 15 is in full contact with the conical surface of the welded pipe.

[0024] When the utility model is in use, the base 1 is placed in the working area, the welded pipe to be processed is placed between the clamping plates 15 on both sides, and one end of the threaded rod 10 is screwed into the threaded hole 9 of the corresponding height, and the knob 11 is clamped together with one end of the threaded rod 10, and the knobs 11 on both sides are respectively turned to drive the threaded rod 10 to rotate. Under the limiting action of the threaded hole 9, the threaded rod 10 will move, thereby driving the clamping plates 15 on both sides to move toward each other, and finally making the clamping plates 15 contact with the surface of the welded pipe, inserting the upper positioning rod 8 into the corresponding limiting groove 7, adjusting the central axis position of the welded pipe, ensuring the subsequent correction quality, and continuously turning the knob 11 to make the clamping plate 15 against the welded pipe. The rubber strip 16 can increase the friction between the clamping plate 15 and the welded pipe, improve the stability of clamping, and avoid the welded pipe from moving during the correction process. Impurities generated by heating during the correction process will fall into the collection box 3 below, and the handle 4 is pulled to take the collection box 3 out of the slide 2, so that the impurities can be uniformly processed, which is convenient for cleaning the base 1.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A conical welded pipe correction device, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a slide groove (2), a collection box (3) is arranged in the slide groove (2), and the inner wall of the collection box (3) contacts the inner wall of the slide groove (2). The upper end of the base (1) is fixedly connected with two support arms (5), and the upper ends of the two support arms (5) are commonly connected to a top plate (6). The side wall of the top plate (6) is provided with a plurality of limit grooves (7), and a positioning rod (8) is arranged in the limit groove (7). The two support arms (5) are respectively provided with a plurality of threaded holes (9), and the plurality of threaded holes (9) are arranged equidistantly. A threaded rod (10) is threadedly connected to the threaded hole (9), one end of the threaded rod (10) is clamped with a knob (11), and the other end of the threaded rod (10) is connected to a clamping plate (15) through an adjustment device.

2. A conical welded pipe correction device according to claim 1, characterized in that: One end of the collection box (3) extends outside the base (1), and a handle (4) is fixedly mounted on the side wall of the collection box (3).

3. A conical welded pipe correction device according to claim 1, characterized in that: The plurality of limiting grooves (7) are arranged at equal distances, and the side wall of the positioning rod (8) is in contact with the inner wall of the corresponding limiting groove (7).

4. A conical welded pipe correction device according to claim 1, characterized in that: The adjusting device comprises a first sleeve (12), a sphere (13) and a second sleeve (14), wherein the sphere (13) is arranged between the first sleeve (12) and the second sleeve (14), and the diameter of the sphere (13) is greater than the diameters of the first sleeve (12) and the second sleeve (14).

5. A conical welded pipe correction device according to claim 4, characterized in that: The inner wall of the first sleeve (12) is fixedly connected to the outer spherical surface of the sphere (13), and the inner wall of the second sleeve (14) is fixedly connected to the inner spherical surface of the sphere (13).

6. A conical welded pipe correction device according to claim 1, characterized in that: The corresponding side walls of the two clamping plates (15) are arranged as arc-shaped surfaces, and a plurality of anti-slip rubber strips (16) are respectively arranged on the side walls of the two clamping plates (15).

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