CN217121344U

CN217121344U - Shaping and straightening device for welded pipe machining

Info

Publication number: CN217121344U
Application number: CN202220584964.5U
Authority: CN
Inventors: 刘广学; 刘怀民
Original assignee: Tianjin Yayuantai Steel Pipe Co ltd
Current assignee: Tianjin Yayuantai Steel Pipe Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-08-05
Anticipated expiration: 2032-03-17

Abstract

The utility model relates to the technical field of welded pipe processing, in particular to a shaping and straightening device for welded pipe processing, which comprises a base and a straightening frame arranged at the top of the base, wherein the straightening frame is fixedly connected with the base, the front side and the rear side of the straightening frame are both provided with a support bracket, the upper end of the straightening frame is provided with a through groove for the welded pipe to pass through, and the inner side wall of the through groove is fixedly provided with a hydraulic telescopic roller frame which is in central symmetrical distribution; through setting up including the alignment frame, the coalignment of hydraulic stretching roller frame and alignment compression roller, when needs carry out the alignment to the welded tube of different diameters, then can be by the length of hydraulic stretching roller frame is adjusted to hydraulic oil pump station, thereby the position of control alignment compression roller, to the welded tube of different diameters, make the alignment compression roller laminating at the welded tube outer wall, after the welded tube passes through the multiunit alignment compression roller of crisscross distribution, the welded tube is in proper order by each alignment compression roller extrusion deformation of organizing, make it round, bright and clean, be a straight line, reach the alignment effect.

Description

Shaping and straightening device for welded pipe machining

Technical Field

The utility model relates to a welded tube processing technology field particularly relates to a shaping coalignment is used in welded tube processing.

Background

The welded pipe is generally produced by roll bending forming processing and welded and formed at the closed position, and after the welded and formed pipe is shaped and straightened, the roll bending and deformation in the welding process are corrected, so that the welded pipe has good roundness and straightness.

The existing welded pipe shaping device mainly comprises a plurality of flat roller pairs and vertical roller pairs, wherein the flat roller pairs and the vertical roller pairs are arranged in a staggered mode, and shaping press rollers on the flat roller pairs and the vertical roller pairs form a straight line hole, so that welded and formed pipes are extruded and deformed by the shaping roller pairs in sequence, and are round, smooth and straight.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect, a plastic coalignment is used in welded tube processing is provided, be in including base and setting the alignment frame at base top, the alignment frame with base fixed connection, the preceding, the rear side of alignment frame all are equipped with the support bracket, the logical groove that supplies the welded tube to pass through is seted up to the upper end of alignment frame, fixed being equipped with the hydraulic stretching roller frame that is central symmetric distribution on the inside wall that leads to the groove, the output of hydraulic stretching roller frame is rotated and is installed the alignment compression roller, the top of base is equipped with and is used for the drive the flexible hydraulic oil pump station of hydraulic stretching roller frame, the bottom fixed mounting of support bracket has electric lift rod, electric lift rod with base fixed connection, the top of support bracket is rotated and is installed the conveying roller that is used for the bearing welded tube.

Further, the number of the straightening frames is two to four, and two adjacent straightening frames are distributed at equal intervals.

Furthermore, the number of the hydraulic telescopic roller frames on each straightening frame is three to six, and the straightening press roller is rotatably mounted on each hydraulic telescopic roller frame.

Furthermore, the number of the straightening frames is three, each straightening frame is provided with three hydraulic telescopic roller frames, and the hydraulic telescopic roller frames on the straightening frames are circumferentially staggered and distributed at forty degrees along the axis of the welded pipe.

Furthermore, the support brackets positioned on the same side of the straightening frame are at least two groups, and the interval between the two groups of support brackets along the axial direction of the welded pipe is more than fifty centimeters.

Further, the conveying roller is inclined at an angle of between forty-five degrees and sixty degrees with respect to the horizontal direction.

Further, the hydraulic telescopic roller frame on the straightening frame is synchronously driven by the hydraulic oil pump station.

Compared with the prior art, the utility model has the advantages of:

through setting up including the alignment frame, the coalignment of hydraulic telescoping roller frame and alignment compression roller, when needs carry out the alignment to the welded tube of different diameters, then can be by the length of hydraulic telescoping roller frame of hydraulic oil pump station regulation, thereby the position of control alignment compression roller, to the welded tube of different diameters, make the alignment compression roller laminating at the welded tube outer wall, after the welded tube passes through the multiunit alignment compression roller of crisscross distribution, the welded tube is by each alignment compression roller extrusion deformation of group in proper order, make it round, bright and clean, be a straight line, reach the alignment effect.

It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent. In addition, all combinations of claimed subject matter are considered a part of the inventive subject matter of this disclosure.

The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.

Drawings

The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural view of a shaping and straightening device for welded pipe processing according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural view of a straightening frame in a shaping and straightening device for welded pipe processing according to an embodiment of the present invention;

FIG. 3 is a schematic sectional view taken along line A-A in FIG. 1;

fig. 4 is a schematic sectional view along the direction B-B in fig. 1.

In the figure, 1, a base; 2. a straightening frame; 21. a through groove; 3. a hydraulic oil pump station; 4. a support bracket; 41. a conveying roller; 5. an electric lifting rod; 6. a hydraulic telescopic roll frame; 7. and (5) straightening the press roller.

Detailed Description

For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.

In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be understood that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways using a truing and straightening device for welded pipe machining, as the disclosed concepts and embodiments are not limited to any embodiment. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.

Combine shown in fig. 1-4, a shaping coalignment is used in welded tube processing, including base 1 and the alignment frame 2 of setting at base 1 top, alignment frame 2 and base 1 fixed connection, alignment frame 2 is preceding, the rear side all is equipped with support bracket 4, the logical groove 21 that supplies the welded tube to pass through is seted up to alignment frame 2's upper end, fixed being equipped with the hydraulic stretching roller frame 6 that is central symmetric distribution on leading to the inside wall of groove 21, alignment compression roller 7 is installed in the rotation of hydraulic stretching roller frame 6's output, base 1's top is equipped with the hydraulic oil pump station 3 that is used for driving hydraulic stretching roller frame 6 to stretch out and draw back, support bracket 4's bottom fixed mounting has electric lift rod 5, electric lift rod 5 and base 1 fixed connection, support bracket 4's top is rotated and is installed the conveying roller 41 that is used for the bearing welded tube.

In this embodiment, through setting up the coalignment that includes alignment frame 2, hydraulic stretching roller frame 6 and alignment compression roller 7, wherein the upper end of alignment frame 2 is provided with the logical groove 21 that supplies the welded tube to pass through, and the fixed hydraulic stretching roller frame 6 that is central symmetric distribution that is equipped with on the inside wall that leads to groove 21, and alignment compression roller 7 is installed in the rotation of the output of hydraulic stretching roller frame 6, and the top of base 1 is equipped with and is used for driving the flexible hydraulic oil pump station 3 of hydraulic stretching roller frame 6.

So, when the welded tube of different diameters carries out the alignment, then can be by the length of hydraulic pressure telescopic roller frame 6 of hydraulic pressure oil pump station 3 regulation to the position of control alignment compression roller 7, to the welded tube of different diameters, make alignment compression roller 7 laminate at the welded tube outer wall, after the welded tube passes through the multiunit alignment compression roller 7 of crisscross distribution, the welded tube is in proper order by each alignment compression roller 7 extrusion deformation of group, makes it round, bright and clean, be a straight line, reaches the alignment effect.

In optional embodiment, the number of the straightening frames 2 is two to four, and two adjacent straightening frames 2 are equidistantly distributed, and the straightening effect on the welded pipe is better by arranging the straightening frames 2 with more number.

In an optional embodiment, the number of the hydraulic telescopic roller frames 6 on each straightening frame 2 is three to six, each hydraulic telescopic roller frame 6 is rotatably provided with a straightening press roller 7, when the number of the hydraulic telescopic roller frames 6 is large, the number of the straightening frames 2 can be correspondingly reduced, and when the number of the hydraulic telescopic roller frames 6 is small, the number of the straightening frames 2 can be correspondingly increased, so that the straightening press rollers 7 with enough number are uniformly distributed on the peripheral side of the welded pipe, and the straightening press rollers 7 can be straightened.

Specifically, the number of the straightening frames 2 is three, each straightening frame 2 is provided with three hydraulic telescopic roller frames 6, and the hydraulic telescopic roller frames 6 on the two adjacent straightening frames 2 are arranged in a staggered way by forty degrees along the circumferential direction of the axis of the welded pipe, therefore, after the welded pipe passes through the straightening frame 2, nine straightening press rollers 7 are uniformly distributed on the peripheral side, the welded pipe is extruded and deformed by each group of straightening press rollers 7 in sequence, so that the welded pipe is round, smooth and linear, the straightening effect is achieved, and because the number of the straightening press rollers 7 is enough, the length of the straightening rolls 7 is reduced, the contact surface of each straightening roll 7 with the welded pipe is relatively small, therefore, the jointing surface of the straightening press roll 7 and the welded pipe does not need to be jointed with the surface of the welded pipe with large radian, and therefore, when the welded pipes with different diameters are straightened, the length of the hydraulic telescopic roller frame 6 is only required to be adjusted, so that the straightening press roller 7 is attached to the surface of the welded pipe.

Specifically, the support brackets 4 which are positioned on the same side of the straightening frame 2 are at least two groups, the interval between the two groups of support brackets 4 in the axial direction of the welded pipe is greater than fifty centimeters, and the single side of the straightening frame 2 is provided with at least two support brackets 4, so that the welded pipe can be supported on the two support brackets 4 on the single side, and the deflection caused by the unbalanced gravity center of the welded pipe is avoided.

Specifically, the inclined angle between the conveying roller 41 and the horizontal direction is forty-five degrees to sixty degrees, the conveying roller 41 which is distributed in an inclined mode can support the welded pipe in the vertical direction, meanwhile, the conveying roller 41 can drive the welded pipe to convey forwards in a rolling mode, and the welded pipe is straightened through the straightening press roller 7.

Specifically, the hydraulic telescopic roller frames 6 on the straightening frames 2 are synchronously driven by the hydraulic oil pump station 3, so that the hydraulic telescopic roller frames 6 on the plurality of straightening frames 2 can be synchronously controlled, and the straightening press rollers 7 can be synchronously attached to the surface.

By combining the above embodiments, the welded pipe is placed on the supporting bracket 4 on one side of the straightening frame 2, the conveying roller 41 on the supporting bracket 4 is driven by the motor to rotate, the welded pipe can be conveyed, the welded pipe enters the through groove 21 under the conveying of the conveying roller 41, the length of the hydraulic telescopic roller frame 6 is adjusted by the hydraulic oil pump station 3, so that the position of the straightening press roller 7 is controlled, the straightening press roller 7 is attached to the outer wall of the welded pipe aiming at the welded pipes with different diameters, and after the welded pipe passes through a plurality of groups of straightening press rollers 7 which are distributed in a staggered mode, the welded pipe is extruded and deformed by each group of straightening press rollers 7 in sequence, so that the welded pipe is round, smooth and linear, and the straightening effect is achieved.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.

Claims

1. The shaping and straightening device for processing the welded pipe is characterized by comprising a base (1) and a straightening frame (2) arranged at the top of the base (1), wherein the straightening frame (2) is fixedly connected with the base (1), the front side and the rear side of the straightening frame (2) are respectively provided with a support bracket (4), the upper end of the straightening frame (2) is provided with a through groove (21) for the welded pipe to pass through, the inner side wall of the through groove (21) is fixedly provided with a hydraulic telescopic roller frame (6) which is in central symmetrical distribution, the output end of the hydraulic telescopic roller frame (6) is rotatably provided with a straightening compression roller (7), the top of the base (1) is provided with a hydraulic oil pump station (3) for driving the hydraulic telescopic roller frame (6) to stretch, the bottom of the support bracket (4) is fixedly provided with an electric lifting rod (5), and the electric lifting rod (5) is fixedly connected with the base (1), and a conveying roller (41) for supporting the welded pipe is rotatably arranged at the top of the supporting bracket (4).

2. The reshaping and straightening device for welded pipe machining according to claim 1, wherein the number of the straightening frames (2) is two to four, and two adjacent straightening frames (2) are equidistantly distributed.

3. The reshaping and straightening device for welded pipe machining according to claim 1, wherein the number of the hydraulic telescopic roller frames (6) on each straightening frame (2) is three to six, and the straightening press roller (7) is rotatably mounted on each hydraulic telescopic roller frame (6).

4. The reshaping and straightening device for welded pipe machining according to claim 1, wherein the number of the straightening frames (2) is three, three hydraulic telescopic roller frames (6) are arranged on each straightening frame (2), and the hydraulic telescopic roller frames (6) on two adjacent straightening frames (2) are circumferentially staggered by forty degrees along the axis of the welded pipe.

5. The reshaping and straightening device for welded pipe processing according to claim 1, wherein the supporting brackets (4) on the same side of the straightening frame (2) are at least two groups, and the two groups of supporting brackets (4) are spaced more than fifty centimeters apart in the axial direction of the welded pipe.

6. The reshaping and straightening device for welded pipe processing according to claim 1, wherein the angle of inclination of the conveying roller (41) to the horizontal direction is between forty-five degrees and sixty degrees.

7. The reshaping and straightening device for welded pipe processing according to claim 1, wherein the hydraulic telescopic roller frames (6) on the straightening frame (2) are synchronously driven by the hydraulic oil pump station (3).