Straightening device for welded pipe production

Abstract

The utility model provides a straightening device for welded pipe production, which comprises a front hollow seat, a rear hollow seat and a hollow support plate, one side of the front hollow seat and one side of the rear hollow seat are respectively and fixedly provided with a cylinder shaft, the cylinder shaft on the front hollow seat is rotatably connected with one side of the hollow support plate, and the cylinder shaft on the rear hollow seat is rotatably connected with the other side of the hollow support plate. A cylinder shaft on the rear hollow seat is rotationally connected with the other side of the hollow supporting plate; the front hollow base and the rear hollow base are fixedly connected with the hollow supporting plate through second bolts. A plurality of straighteners are uniformly distributed and fixedly mounted on the front hollow seat and the rear hollow seat; the front hollow seat, the rear hollow seat, the barrel shaft and the hollow supporting plate are communicated with one another; by means of the overall arrangement, when the welding pipe is straightened, the contact point between the straightening wheel and the welding pipe can be adjusted, the welding pipe under various different conditions can be straightened conveniently, and therefore the whole welding pipe straightening device is more convenient and flexible in the using process.

Description

Technical Field

[0001] The utility model relates to the field of welded pipe production, and particularly relates to a straightening device for welded pipe production. Background Art

[0002] The straightening device for welded pipe production is an indispensable equipment in the process of welded pipe production. It is mainly used for straightening the welded pipe to ensure the straightness and dimensional accuracy of the welded pipe.

[0003] After retrieval, a welded pipe shaping and straightening machine disclosed in Chinese Patent No. CN 212144013 U includes a straightening machine frame, a straightening roller tube device, and inlet and outlet plate. There are several groups of straightening roller tube devices, and several groups of straightening roller tube devices are arranged and connected on the inner top of the straightening machine frame. A roller tube linkage motor, a linkage belt, and anti-displacement fixed rollers are arranged inside the straightening machine. There are two groups of anti-displacement fixed rollers, and the two groups of anti-displacement fixed rollers are respectively fixed at the center of the top end and the bottom end inside the straightening machine frame. The utility model is beneficial to optimize the setting of the welded pipe straightening machine, change the traditional setting of direct processing of multiple roller tubes, and improve it into a new type of device with replaceable rollers that can replace the middle section of straightening roller tubes of different specifications. Such a device not only has the advantage of being replaceable, but also adds forged steel of a new material as the component in direct contact with the steel pipe on the original basis, with the characteristics of wear resistance, firmness, high stability, and good heat resistance, greatly solving the disadvantages of frequent damage and frequent replacement of the components in contact with the steel pipe. The outer shell is made of cast iron material, with low cost and suitable for popularization and use.

[0004] However, in the process of using the above-mentioned welded pipe shaping and straightening machine, it is not convenient to adjust the straightening contact point with the welded pipe, so there are certain limitations.

[0005] Therefore, it is very necessary to invent a straightening device for welded pipe production. Content of the Utility Model

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model for a straightening device for welded pipe production is as follows: A straightening device for welded pipe production includes a front hollow seat, a rear hollow seat, and a hollow support plate. Among them: A cylinder shaft is fixedly installed on one side of each of the front hollow seat and the rear hollow seat, and the cylinder shaft on the front hollow seat is rotationally connected to one side of the hollow support plate, and the cylinder shaft on the rear hollow seat is rotationally connected to the other side of the hollow support plate; The front hollow seat and the rear hollow seat are respectively fixedly connected to the hollow support plate through bolts II; A number of straighteners are evenly and fixedly installed on each of the front hollow seat and the rear hollow seat; The front hollow seat, the rear hollow seat, the cylinder shaft, and the hollow support plate are communicated with each other.

[0007] Preferably, the straightener includes a reduction motor, a lead screw, a slide plate, and a U-shaped seat. The reduction motor is fixedly installed on the circumferences of the corresponding front hollow seat and rear hollow seat, and the output end of the reduction motor is fixedly connected to one end of the lead screw. An internal threaded hole is provided at one end of the slide plate, and the slide plate is sleeved on the lead screw through the internal threaded hole. The slide plate and the lead screw are connected by screw meshing. The other end of the slide plate is fixedly connected to the U-shaped seat by bolts, and a straightening wheel is rotatably installed in the U-shaped seat. The lead screw is rotatably installed on the corresponding front hollow seat and rear hollow seat. The slide plate is slidably installed on the corresponding front hollow seat and rear hollow seat.

[0008] Preferably, a plurality of slot holes are evenly distributed on the outer sides of the front hollow seat and the rear hollow seat, and a plurality of shaft holes corresponding to the slot holes are evenly distributed on the circumferences of the front hollow seat and the rear hollow seat. The shaft holes and the corresponding slot holes are vertically communicated. The lead screw is rotatably installed in the corresponding shaft holes. The slide plate is slidably installed in the corresponding slot holes.

[0009] Preferably, a threaded hole is provided at the end of the slide plate connected to the U-shaped seat, and a T-shaped groove clamping seat is fixedly installed at the end of the slide plate connected to the U-shaped seat. The bolt is installed in the threaded hole. The U-shaped seat is clamped with the T-shaped groove clamping seat.

[0010] Preferably, a T-shaped clamping plate is fixedly installed on the side of the U-shaped seat opposite to the opening, and a fixing ear corresponding to the threaded hole is fixedly installed on the inner side of the top end of the T-shaped clamping plate. The T-shaped clamping plate is clamped in the corresponding T-shaped groove clamping seat. The fixing ear and the threaded hole are fixedly connected by bolts.

[0011] Preferably, a base is fixedly installed at the bottom of the hollow support plate, and the hollow support plate and the base are in a T shape.

[0012] Compared with the prior art, the advantages of the present utility model are as follows:

[0013] With the overall setting of the present utility model, when straightening a welded pipe, the contact point between the straightening wheel and the welded pipe can be adjusted, which is convenient for straightening welded pipes in various different situations, so that the overall use process is more convenient and flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model.

[0015] Figure 2 is a schematic diagram of the distribution structure of the straightener on the front hollow seat and the rear hollow seat of the present utility model.

[0016] Figure 3 is a schematic diagram of the front hollow seat, the rear hollow seat and the cylinder shaft structure of the present utility model.

[0017] Figure 4 This is a schematic diagram of the explosion structure of the straightener of the present utility model.

[0018] In the figure:

[0019] Front hollow seat 1, rear hollow seat 2, cylinder shaft 3, slot hole 4, shaft hole 5, reduction motor 6, lead screw 7, slide plate 8, threaded hole 81, T-shaped groove clamp seat 82, U-shaped seat 9, T-shaped clamping plate 91, fixed ear 92, bolt 10, straightening wheel 11, hollow support plate 12, base 13, bolt two 14. Specific embodiments

[0020] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0021] In the description of the embodiments, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0022] The following further describes the present utility model with reference to the accompanying drawings: Embodiment

[0023] Refer to Figures 1-4, a straightening device for welded pipe production, including a front hollow seat 1, a rear hollow seat 2 and a hollow support plate 12, where: on one side of each of the front hollow seat 1 and the rear hollow seat 2, a barrel shaft 3 is fixedly installed, and the barrel shaft 3 on the front hollow seat 1 is rotationally connected to one side of the hollow support plate 12, and the barrel shaft 3 on the rear hollow seat 2 is rotationally connected to the other side of the hollow support plate 12, so as to adjust the contact points between the straighteners on the front hollow seat 1 and the rear hollow seat 2 and the welded pipe according to the straightening condition of the welded pipe; each of the front hollow seat 1 and the rear hollow seat 2 is fixedly connected to the hollow support plate 12 through a second bolt 14, so as to ensure the stability between the front hollow seat 1 and the rear hollow seat 2 and the hollow support plate 12 after adjusting the contact points between the straighteners and the welded pipe; a number of straighteners are evenly and fixedly installed on each of the front hollow seat 1 and the rear hollow seat 2; the front hollow seat 1, the rear hollow seat 2, the barrel shaft 3 and the hollow support plate 12 are communicated with each other, so that the welded pipe can pass through between them and contact the straighteners during the passing process, thereby straightening the welded pipe.

[0024] The straightener includes a reduction motor 6, a lead screw 7, a slide plate 8 and a U-shaped seat 9, and the reduction motor 6 is fixedly installed on the circumferences of the corresponding front hollow seat 1 and the rear hollow seat 2, and the output end of the reduction motor 6 is fixedly connected to one end of the lead screw 7, so as to drive the lead screw 7 to rotate forward and backward through the reduction motor 6; an internal threaded hole is opened at one end of the slide plate 8, and the slide plate 8 is sleeved on the lead screw 7 through the internal threaded hole, and the slide plate 8 is threadedly engaged with the lead screw 7. During the forward and backward rotation of the lead screw 7, it can drive the slide plate 8 to carry the straightening wheel 11 to move along the slot hole 4, so that it approaches or moves away from the center of the front hollow seat 1 and the rear hollow seat 2, so as to straighten welded pipes of various different sizes; the other end of the slide plate 8 is fixedly connected to the U-shaped seat 9 through a bolt 10, which can enable the U-shaped seat 9 and the slide plate 8 to be disassembled and assembled separately, so as to replace straightening wheels 11 of various different specifications, thereby improving the overall applicability, and a straightening wheel 11 is rotatably installed in the U-shaped seat 9. Through the setting of the straightening wheel 11, the welded pipe can smoothly pass through between them and be straightened during the passing process; the lead screw 7 is rotatably installed on the corresponding front hollow seat 1 and the rear hollow seat 2; the slide plate 8 is slidably installed on the corresponding front hollow seat 1 and the rear hollow seat 2.

[0025] A number of slot holes 4 are evenly opened on the outer sides of each of the front hollow seat 1 and the rear hollow seat 2, and a number of shaft holes 5 corresponding to the slot holes 4 are evenly opened on the circumferences of the front hollow seat 1 and the rear hollow seat 2, and the shaft holes 5 are communicated with the corresponding slot holes 4; the lead screw 7 is rotatably installed in the corresponding shaft hole 5, so as to limit the lead screw 7 and ensure the stability and smoothness of the lead screw 7 during operation; the slide plate 8 is slidably installed in the corresponding slot hole 4, so as to limit the slide plate 8 and ensure the stability and smoothness of the slide plate 8 during movement.

[0026] One end of the skateboard 8 connected to the U-shaped seat 9 is provided with a threaded hole 81, and a T-shaped groove clamping seat 82 is fixedly installed at the end of the skateboard 8 connected to the U-shaped seat 9; the bolt 10 is installed in the threaded hole 81; the U-shaped seat 9 is clamped with the T-shaped groove clamping seat 82, so as to quickly disassemble, assemble and position between the skateboard 8 and the U-shaped seat 9. At the same time, when the bolt 10 is loose, it can prevent the U-shaped seat 9 from falling directly.

[0027] On one side of the U-shaped seat 9 opposite to the opening, a T-shaped clamping plate 91 is fixedly installed, and a fixing ear 92 corresponding to the threaded hole 81 is fixedly installed on the inner side of the top end of the T-shaped clamping plate 91; the T-shaped clamping plate 91 is clamped in the corresponding T-shaped groove clamping seat 82, so as to quickly disassemble, assemble and position between the skateboard 8 and the U-shaped seat 9. At the same time, when the bolt 10 is loose, it can prevent the U-shaped seat 9 from falling directly; the fixing ear 92 and the threaded hole 81 are fixedly connected by the bolt 10. Through the arrangement of the fixing ear 92, when the U-shaped seat 9 is installed, the fixing ear 92 can be blocked by the skateboard 8, so as to support the U-shaped seat 9.

[0028] A base 13 is fixedly installed at the bottom of the hollow support plate 12, and the hollow support plate 12 and the base 13 are in a T shape, so as to fixedly install the straightening device for welded pipe production on the position required by the welded pipe machine; a plurality of threaded holes two for connecting with the bolt two 14 are evenly arranged on each side surface of the hollow support plate 12.

[0029] In this embodiment, when in use, the straightening device for welded pipe production is fixedly installed on the position required by the welded pipe machine through the base 13; then, according to the straightening condition of the welded pipe, the contact point between the straightening wheel 11 on the straightener and the welded pipe is adjusted;

[0030] When adjusting, loosen the corresponding bolt two 14, and then the corresponding front hollow seat 1 and rear hollow seat 2 can be rotated, so that the straightening wheel 11 on the straightener rotates to the required position with the hollow support plate 12 as the axis, and then tighten the corresponding bolt two 14;

[0031] Finally, let the welded pipe enter between the straightening wheels 11 on the front hollow seat 1 and finally pass out between the straightening wheels 11 on the rear hollow seat 2, and then the corresponding straightening of the welded pipe can be completed.

[0032] Using the technical solution of the present invention, or those skilled in the art inspired by the technical solution of the present invention to design a similar technical solution and achieve the above technical effects shall fall within the protection scope of the present invention.

Claims

1. A straightening device for welded pipe production, characterized in that: It includes a front hollow seat (1), a rear hollow seat (2) and a hollow support plate (12), where: on one side of each of the front hollow seat (1) and the rear hollow seat (2), a cylinder shaft (3) is fixedly installed, and the cylinder shaft (3) on the front hollow seat (1) is rotatably connected to one side of the hollow support plate (12), and the cylinder shaft (3) on the rear hollow seat (2) is rotatably connected to the other side of the hollow support plate (12); the front hollow seat (1) and the rear hollow seat (2) are each fixedly connected to the hollow support plate (12) by a second bolt (14); on each of the front hollow seat (1) and the rear hollow seat (2), a number of straightening devices are evenly and fixedly installed; the front hollow seat (1), the rear hollow seat (2), the cylinder shaft (3) and the hollow support plate (12) are in communication with each other.

2. The straightening device for welded pipe production according to claim 1, characterized in that: The straightening device includes a reduction motor (6), a lead screw (7), a slide plate (8) and a U-shaped seat (9), and the reduction motor (6) is fixedly installed on the peripheral surface of the corresponding front hollow seat (1) and rear hollow seat (2), and the output end of the reduction motor (6) is fixedly connected to one end of the lead screw (7); an internal thread hole is opened at one end of the slide plate (8), and the slide plate (8) is sleeved on the lead screw (7) through the internal thread hole, and the slide plate (8) is threadedly engaged with the lead screw (7); the other end of the slide plate (8) is fixedly connected to the U-shaped seat (9) by a bolt (10), and a straightening wheel (11) is rotatably installed in the U-shaped seat (9); the lead screw (7) is rotatably installed on the corresponding front hollow seat (1) and rear hollow seat (2); the slide plate (8) is slidably installed on the corresponding front hollow seat (1) and rear hollow seat (2).

3. The straightening device for welded pipe production according to claim 2, wherein: On the outer side surface of each of the front hollow seat (1) and the rear hollow seat (2), a number of slot holes (4) are evenly opened, and on the peripheral surface of each of the front hollow seat (1) and the rear hollow seat (2), a number of shaft holes (5) corresponding to the slot holes (4) are evenly opened, and the shaft holes (5) are in communication with the corresponding slot holes (4); the lead screw (7) is rotatably installed in the corresponding shaft hole (5); the slide plate (8) is slidably installed in the corresponding slot hole (4).

4. The straightening device for welded pipe production according to claim 2, wherein: One end of the slide plate (8) connected to the U-shaped seat (9) is provided with a threaded hole (81), and one end of the slide plate (8) connected to the U-shaped seat (9) is fixedly installed with a T-shaped groove clamping seat (82); the bolt (10) is installed in the threaded hole (81); the U-shaped seat (9) is clamped with the T-shaped groove clamping seat (82).

5. The straightening device for welded pipe production according to claim 4, wherein: On one side of the U-shaped seat (9) opposite to the opening, a T-shaped clamping plate (91) is fixedly installed, and on the inner side of the top end of the T-shaped clamping plate (91), a fixing ear (92) corresponding to the threaded hole (81) is fixedly installed; the T-shaped clamping plate (91) is clamped in the corresponding T-shaped groove clamping seat (82); the fixing ear (92) is fixedly connected to the threaded hole (81) by a bolt (10).

6. The straightening device for welded pipe production according to claim 1, characterized in that: A base (13) is fixedly installed at the bottom of the hollow support plate (12), and the hollow support plate (12) and the base (13) are in a T shape, and on each of the two side surfaces of the hollow support plate (12), a number of threaded holes two corresponding to the second bolts (14) are evenly opened.

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