Welded pipe straightening machine

Abstract

The utility model relates to the technical field of straightening machines, and discloses a welded pipe straightening machine which comprises a fixing table, supporting legs, a fixing plate, an adjustable straightening mechanism, through holes and a moving mechanism, the supporting legs are fixedly connected to the lower end of the fixing table, the fixing plate is fixedly connected to the upper end of the fixing table, the adjustable straightening mechanism is arranged outside the fixing plate, and the through holes are formed in the fixing table. The through hole is formed in the outer wall of the fixing plate, and the moving mechanism is arranged at the upper end of the fixing table; the adjustable straightening mechanism comprises a sliding groove, a sliding block, a connecting rod, a straightening roller, a connecting rod, an annular plate, a fixing rod and a hydraulic rod. The sliding groove is formed in the outer wall of the fixing plate, and the sliding block is slidably connected to the interior of the sliding groove. According to the welding pipe straightening machine, by arranging the adjustable straightening device, the distances among the four straightening pipes can be adjusted, and then welding pipes of different specifications and sizes can be straightened, so that the application range of welding pipe straightening is widened, and the practicability of the straightening device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of straightening machines, in particular to a welded pipe straightening machine. Background Art

[0002] Straightening machines are equipment for straightening metal profiles, bars, pipes, wires, etc. Straightening machines use straightening rollers to squeeze bars and other materials to change their straightness. Generally, there are two rows of straightening rollers, with varying numbers. There are also two-roller straightening machines, which rely on the angle change of the two rollers (concave in the middle, hyperbolic rollers) to straighten materials of different diameters.

[0003] For example, Chinese patent: CN214919374U, the technical solution disclosed in this patent is as follows: a straightener is provided, including a straightener body and a support device, the surface of the straightener body is provided with a steel pipe, the surface of the straightener body is installed with an operation panel, the surface of the straightener body is provided with a support device, the support device includes a mounting groove opened on the side wall of the straightener, the inner wall of the mounting groove is slidably connected with a top plate, the interior of the top plate is movably connected with a threaded rod, the upper end of the threaded rod is installed with a first support frame, the first support frame is located on the surface of the steel pipe, the interior of the first support frame is slidably inserted with a sliding rod, the surface of the sliding rod is fixedly connected with a second support frame, the second support frame is located on the surface of the steel pipe, and the interior of the straightener body is threadedly connected with two bolts. The utility model solves the problem in the prior art that the steel pipe is easy to tilt into the straightener, thereby affecting the straightening of the steel pipe by the straightener.

[0004] However, in actual use, it is not convenient to adjust the distance between the straightening rollers on the upper and lower sides of the above patent, which makes it inconvenient to straighten steel pipes of different sizes. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] Aiming at the deficiencies of the prior art, the utility model provides a welded pipe straightening machine.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welded pipe straightening machine, comprising a fixed platform, a supporting leg, a fixed plate, an adjustable straightening mechanism, a through hole, and a moving mechanism, wherein the supporting leg is fixedly connected to the lower end of the fixed platform, the fixed plate is fixedly connected to the upper end of the fixed platform, the adjustable straightening mechanism is arranged on the outside of the fixed plate, the through hole is opened on the outer wall of the fixed plate, and the moving mechanism is arranged on the upper end of the fixed platform; the adjustable straightening mechanism comprises a slide groove, a slider, a connecting rod, a straightening roller, a connecting rod, an annular plate, a fixed rod, and a hydraulic rod; the slide groove is opened on the outer wall of the fixed plate, the slider is slidably connected to the inside of the slide groove, the connecting rod is fixedly connected to the outer wall of the slider, the straightening roller is rotatably connected to the other end of the connecting rod through a pin shaft, the connecting rod is hinged to the other side of the slider through a hinge seat, and the annular plate is hinged to the other end of the connecting rod through a hinge seat.

[0009] Preferably, the fixing rod is fixedly connected to the bottom of the annular plate, the hydraulic rod is fixedly connected to the upper end of the fixing platform, and the output end of the hydraulic rod is fixedly connected to the outer wall of the fixing rod.

[0010] Preferably, four of the sliders, connecting rods, straightening rollers and connecting rods are provided and distributed above, below, left and right of the center of the through hole, thereby the welded pipe can be straightened in four directions.

[0011] Preferably, the moving mechanism includes a fixed frame A, the inner bottom end of the fixed frame A is rotatably connected to a bidirectional screw via a bearing, the outer wall of the bidirectional screw is threadedly connected to moving blocks on both sides, the other end of the moving block is fixedly connected to a fixed frame B, the middle of the fixed frame B is rotatably connected to a rotating shaft, the outer wall of the rotating shaft is fixedly sleeved with a transmission roller, the outer wall of the fixed frame B at the lower end is fixedly connected to a motor, and the output end of the motor is fixedly connected to the lower end rotating shaft.

[0012] Preferably, a limiting groove is provided on the inner wall of one side of the fixed frame A, the side of the movable block is fixedly connected to the limiting block, and the other end of the limiting block is slidably connected inside the limiting groove. By setting the limiting groove and the limiting block, it can be ensured that the movable block only moves up and down.

[0013] Preferably, the upper end of the bidirectional screw rod passes through the fixed frame A, and the top of the bidirectional screw rod is fixedly connected with a rotating wheel, and the bidirectional screw rod is easily rotated by providing the rotating wheel.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a welded pipe straightening machine, which has the following beneficial effects:

[0016] 1. This welded pipe straightening machine can adjust the distance between four straightening pipes by setting an adjustable straightening device, so as to straighten welded pipes of different specifications and sizes, thereby increasing the application scope of welded pipe straightening and improving the practicability of the straightening device.

[0017] 2. This welded pipe straightening machine can adjust the distance between the transmission rollers at the upper and lower ends by setting a moving mechanism, so that welded pipes of different specifications and sizes can be transmitted and transported, and further, it can be ensured that the transmission rollers are always in contact with the surface of the welded pipe, thereby ensuring the stability of the welded pipe during transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the side structure of the utility model;

[0021] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1. fixed table; 2. supporting leg; 3. fixed plate; 401. slide groove; 402. slider; 403. connecting rod; 404. straightening roller; 405. connecting rod; 406. annular plate; 407. fixed rod; 408. hydraulic rod; 5. through hole; 601. fixed frame A; 602. bidirectional screw rod; 603. moving block; 604. fixed frame B; 605. rotating shaft; 606. transmission roller; 607. motor; 608. limit groove; 609. limit block; 610. rotating wheel. DETAILED DESCRIPTION

[0023] 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.

[0024] Example 1

[0025] like Figure 1-3As shown, the utility model provides a welded pipe straightening machine, including a fixed platform 1, a support leg 2, a fixed plate 3, an adjustable straightening mechanism, a through hole 5, and a moving mechanism. The support leg 2 is fixedly connected to the lower end of the fixed platform 1, the fixed plate 3 is fixedly connected to the upper end of the fixed platform 1, the adjustable straightening mechanism is arranged outside the fixed plate 3, the through hole 5 is opened on the outer wall of the fixed plate 3, and the moving mechanism is arranged at the upper end of the fixed platform 1; the adjustable straightening mechanism includes a slide groove 401, a slider 402, a connecting rod 403, Straightening roller 404, connecting rod 405, annular plate 406, fixed rod 407, hydraulic rod 408; the slide groove 401 is opened on the outer wall of the fixed plate 3, the slider 402 is slidably connected to the inside of the slide groove 401, the connecting rod 403 is fixedly connected to the outer wall of the slider 402, the straightening roller 404 is rotatably connected to the other end of the connecting rod 403 through a pin shaft, the connecting rod 405 is hinged to the other side of the slider 402 through a hinge seat, and the annular plate 406 is hinged to the other end of the connecting rod 405 through a hinge seat.

[0026] The fixed rod 407 is fixedly connected to the bottom of the annular plate 406 , the hydraulic rod 408 is fixedly connected to the upper end of the fixed platform 1 , and the output end of the hydraulic rod 408 is fixedly connected to the outer wall of the fixed rod 407 .

[0027] Four sliders 402, connecting rods 403, straightening rollers 404 and connecting rods 405 are provided and distributed above, below, left and right of the center of the through hole 5, so that the welded pipe can be straightened in four directions.

[0028] In this embodiment, by providing an adjustable straightening device, the distance between the four straightening tubes 404 can be adjusted, so that welded pipes of different specifications and sizes can be straightened, thereby increasing the application scope of welded pipe straightening and improving the practicability of the straightening device.

[0029] Example 2

[0030] like Figure 1-2 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the moving mechanism includes a fixed frame A601, the inner bottom end of the fixed frame A601 is rotatably connected to a bidirectional screw 602 through a bearing, the outer wall of the bidirectional screw 602 is threadedly connected to a moving block 603 on both sides, the other end of the moving block 603 is fixedly connected to a fixed frame B604, the middle of the fixed frame B604 is rotatably connected to a rotating shaft 605, the outer wall of the rotating shaft 605 is fixedly sleeved with a transmission roller 606, the outer wall of the lower fixed frame B604 is fixedly connected to a motor 607, and the output end of the motor 607 is fixedly connected to the lower end rotating shaft 605.

[0031] A limiting groove 608 is provided on the inner wall of one side of the fixed frame A601, and the side of the movable block 603 is fixedly connected to the limiting block 609, and the other end of the limiting block 609 is slidably connected inside the limiting groove 608. By setting the limiting groove 608 and the limiting block 609, it can be ensured that the movable block 603 only moves up and down.

[0032] The upper end of the bidirectional screw rod 602 passes through the fixed frame A601 , and the top of the bidirectional screw rod 602 is fixedly connected with a rotating wheel 610 . The rotating wheel 610 is provided to facilitate the rotation of the bidirectional screw rod 602 .

[0033] In this embodiment, by setting up a moving mechanism, the distance between the transmission rollers 606 at the upper and lower ends can be adjusted, so that welding pipes of different specifications and sizes can be transmitted and transported, and the transmission rollers 606 can be ensured to always be in contact with the surface of the welding pipe, thereby ensuring the stability of the welding pipe during transmission.

[0034] The following is a detailed description of the working principle of this welded pipe straightening machine.

[0035] like Figure 1-3 As shown, when in use, it is adjusted according to the diameter of the welded pipe. First, the rotating wheel 610 is rotated to drive the bidirectional screw rod 602 to rotate, and then the moving block 603 threadedly connected to its outer wall will move to the upper and lower ends or the middle at the same time under the restriction of the limit block 609 and the limit groove 608, so that the distance between the upper and lower fixed frames B604 and the rotating shaft 605 and the transmission roller 606 can be changed until it matches the diameter of the welded pipe, and then the hydraulic rod 408 is started to drive the annular plate 406 to move through the fixed rod 407, and then the hydraulic rod 408 is started to drive the annular plate 406 to move. Under the action of the connecting rod 405, the slider 402 is pushed to slide inside the slide groove 401, and then the straightening roller 404 is moved through the connecting rod 403 until the four straightening rollers 404 are adjusted to a suitable spacing. The welded pipe is first passed between two transmission rollers 606, then through the annular plate 406 and the through hole 5, and finally through between the four straightening rollers 404. The motor 607 is then started to drive the transmission roller 606 to rotate through the rotating shaft 605, thereby moving the welded pipe toward the straightening roller, thereby correcting the welded pipe.

Claims

1. A welded pipe straightening machine, comprising a fixed platform (1), a support leg (2), a fixed plate (3), an adjustable straightening mechanism, a through hole (5), and a moving mechanism, characterized in that: The support leg (2) is fixedly connected to the lower end of the fixed platform (1), the fixed plate (3) is fixedly connected to the upper end of the fixed platform (1), the adjustable straightening mechanism is arranged outside the fixed plate (3), the through hole (5) is opened on the outer wall of the fixed plate (3), and the moving mechanism is arranged at the upper end of the fixed platform (1); The adjustable straightening mechanism comprises a slide groove (401), a slider (402), a connecting rod (403), a straightening roller (404), a connecting rod (405), an annular plate (406), a fixing rod (407), and a hydraulic rod (408); The slide groove (401) is opened on the outer wall of the fixed plate (3), the slider (402) is slidably connected to the inside of the slide groove (401), the connecting rod (403) is fixedly connected to the outer wall of the slider (402), the straightening roller (404) is rotatably connected to the other end of the connecting rod (403) through a pin shaft, the connecting rod (405) is hinged to the other side of the slider (402) through a hinge seat, and the annular plate (406) is hinged to the other end of the connecting rod (405) through a hinge seat.

2. A welded pipe straightening machine according to claim 1, characterized in that: The fixed rod (407) is fixedly connected to the bottom of the annular plate (406), the hydraulic rod (408) is fixedly connected to the upper end of the fixed platform (1), and the output end of the hydraulic rod (408) is fixedly connected to the outer wall of the fixed rod (407).

3. A welded pipe straightening machine according to claim 1, characterized in that: The slider (402), the connecting rod (403), the straightening roller (404) and the connecting rod (405) are each provided in four pieces and are distributed above, below, left and right of the center of the through hole (5).

4. A welded pipe straightening machine according to claim 1, characterized in that: The moving mechanism comprises a fixed frame A (601), the inner bottom end of the fixed frame A (601) is rotatably connected to a bidirectional screw rod (602) via a bearing, both sides of the outer wall of the bidirectional screw rod (602) are threadedly connected to moving blocks (603), the other end of the moving block (603) is fixedly connected to a fixed frame B (604), the middle of the fixed frame B (604) is rotatably connected to a rotating shaft (605), the outer wall of the rotating shaft (605) is fixedly sleeved with a transmission roller (606), and the outer wall of the fixed frame B (604) at the lower end is fixedly connected to a motor (607), and the output end of the motor (607) is fixedly connected to the lower end rotating shaft (605).

5. A welded pipe straightening machine according to claim 4, characterized in that: A limiting groove (608) is provided on an inner wall of one side of the fixed frame A (601), a limiting block (609) is fixedly connected to the side of the movable block (603), and the other end of the limiting block (609) is slidably connected inside the limiting groove (608).

6. A welded pipe straightening machine according to claim 4, characterized in that: The upper end of the bidirectional screw rod (602) passes through the fixed frame A (601), and the top of the bidirectional screw rod (602) is fixedly connected to a rotating wheel (610).

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