Pipe head leveling device for spiral welding steel pipe

By designing a pipe end leveling device for spiral welded steel pipes, precise positioning and leveling of the pipe end are achieved through motor drive and hydraulic control, solving the problem of inconsistent pipe end leveling and improving production efficiency and welding quality.

CN224026580UActive Publication Date: 2026-03-24QINGHAI HUAHUI HAOHANG PIPE IND TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing technologies, it is difficult to guarantee the flatness of the pipe head of spiral welded steel pipes, which leads to problems such as inconsistent welding quality, difficulty in pipe installation, and poor fluid flow during use.

Method used

A pipe end leveling device for spiral welded steel pipes was designed, including a fixing device, an adjusting device, a hydraulic cylinder and a cutting tool. Through motor drive and hydraulic control, the device can achieve precise positioning and leveling of the pipe end.

Benefits of technology

It improves the flatness and positioning accuracy of the spiral welded steel pipe head, enhances work efficiency, meets the needs of large-scale production, and reduces construction difficulty and cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a spiral welding steel pipe head leveling device, and particularly relates to the field of spiral welding steel pipe machining, and the technical key points are that the spiral welding steel pipe head leveling device comprises a mounting base, one side of the mounting base is provided with a sliding groove, an adjusting device is arranged in the sliding groove, and the output end of the adjusting device is fixedly provided with a fixing plate; a hydraulic cylinder is fixedly installed on one side of the fixing plate, an output shaft of the hydraulic cylinder penetrates through one side of the fixing plate and extends to be fixedly provided with a cutter, a mounting plate is fixedly installed on the upper end face of the mounting base, and a fixing block is rotationally installed on one side of the mounting plate. By arranging the fixing device, the adjusting device, the first motor, the hydraulic cylinder, the cutter and the like, spiral welding steel pipes of different sizes can be easily fixed by rotating the two-way lead screw through the handle, the first motor drives the threaded rod, the horizontal position of the cutter can be accurately adjusted, and the machining precision is improved. And the leveling position of the pipe head is determined, so that the working efficiency and the positioning precision are remarkably improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the spiral weld steel pipe processing field more specifically, the utility model relates to spiral weld steel pipe head flattening device. BACKGROUND

[0002] Spiral weld steel pipe as a kind of pipe material widely used in petroleum, natural gas, water supply and drainage and many other fields, its quality and performance are directly related to the safety and stability of engineering.In the production process of spiral weld steel pipe, the flatness of pipe head is a key indicator, since spiral weld steel pipe is welded by spiral curling of steel strip, uneven weld, pipe mouth ovality exceeding standard, local bulge or depression and other problems are prone to occur at pipe head position.If these problems are not solved, it will bring many hidden troubles to subsequent pipeline installation, connection and use.For example, uneven pipe head will cause misalignment, uneven gap and other situations when pipeline is butt jointed, affect welding quality, reduce the sealing property and strength of pipeline;During pipeline laying, uneven pipe head can cause pipeline installation difficult, increase construction difficulty and cost;And after pipeline is put into use, uneven pipe head can cause fluid flow not smooth, vortex, and then cause pipeline wear and tear aggravation, energy loss increase and other problems.

[0003] Traditional pipe head flattening method often relies on manual operation, such as using file, grinding wheel and other tools for manual polishing and finishing, this way is not only inefficient, but also difficult to guarantee the consistency and precision of flatness, unable to meet large-scale, high-quality production demand.

[0004] Therefore, it is necessary to redesign spiral weld steel pipe head flattening device in view of the above problems. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In order to overcome the above-mentioned defects of prior art, the embodiment of the utility model provides spiral weld steel pipe head flattening device.

[0007] (II) technical scheme

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0009] The utility model provides a screw welding steel pipe pipe head flattening device, including the installation base, one side of installation base is provided with the sliding slot, be equipped with adjusting device in the sliding slot, the fixed mounting of fixing plate is installed on the output of adjusting device, one side of fixing plate is fixedly installed with hydraulic cylinder, the output shaft of hydraulic cylinder penetrates one side of fixed plate and extends fixed mounting has the cutter, the upper end surface of installation base is fixedly installed with the mounting plate, one side of mounting plate is rotatably installed with fixed block, the fixed block is fixedly installed with the gear ring on the outer wall, one side of fixed block is provided with the installation groove, be equipped with fixing device in the installation groove.

[0010] In a preferred embodiment, the adjusting device includes a threaded rod, and the threaded rod is mounted on the inner side wall of the sliding slot through a bearing, the threaded rod is connected with a sliding block through a threaded sleeve, and the sliding block is slidingly connected in the sliding slot, and the fixed plate is fixedly installed on the upper end surface of the sliding block.

[0011] In a preferred embodiment, the fixing device includes a bidirectional screw, and the bidirectional screw is mounted on the inner bottom wall of the installation groove through a bearing, the bidirectional screw is connected with two mounting blocks through a screw sleeve, and the two mounting blocks are slidingly connected in the installation groove, one side of each mounting block is fixedly connected with a link block, and one end of each link block is fixedly installed with a clamping plate.

[0012] In a preferred embodiment, one side of the installation base is fixedly installed with a first mounting bracket, a first motor is fixedly installed on the first mounting bracket, and the output shaft of the first motor penetrates one side of the installation base and is fixedly connected with one end of the threaded rod.

[0013] In a preferred embodiment, one side of the installation base is fixedly installed with a first mounting bracket, a first motor is fixedly installed on the first mounting bracket, and the output shaft of the first motor penetrates one side of the installation base and is fixedly connected with one end of the threaded rod.

[0014] In a preferred embodiment, one end of the bidirectional screw penetrates the inner top wall of the installation groove and is outwardly extended to be installed with a handle.

[0015] In a preferred embodiment, each clamping plate is provided with a rubber pad.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] The utility model discloses a fixing device, adjusting device, first motor, hydraulic cylinder, cutting tool and other devices are set up, and the two -way lead screw is rotated through handle, and the fixing of the spiral welded steel pipe of different size can be realized easily, the horizontal position of cutting tool can be adjusted accurately through the first motor drive threaded rod, and the positioning of the pipe head flat position is realized, and the working efficiency and positioning accuracy are improved obviously. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides a spiral welded steel pipe head flat device's structural diagram for the utility model is provided;

[0020] Figure 2 The utility model provides a spiral welded steel pipe head flat device's mounting plate part diagram for the utility model is provided;

[0021] Figure 3 The utility model provides a spiral welded steel pipe head flat device's mounting groove inside diagram for the utility model is provided;

[0022] Figure 4 The utility model provides a spiral welded steel pipe head flat device's cutting tool part diagram for the utility model is provided.

[0023] In the drawing: 1 installation base, 2 sliding slot, 3 threaded rod, 4 sliding block, 5 fixed plate, 6 hydraulic cylinder, 7 cutting tool, 8 first mounting frame, 9 first motor, 10 mounting plate, 11 second mounting frame, 12 second motor, 13 driving gear, 14 fixed block, 15 link block, 16 clamping plate, 17 gear ring, 18 mounting groove, 19 two -way lead screw, 20 mounting block. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0025] The utility model provides a technical scheme:

[0026] Referring to Figures 1-4The utility model provides a spiral weld steel pipe pipe head flattening device, including installation base 1, the side of installation base 1 is equipped with slide groove 2, be equipped with adjusting device in slide groove 2, the output of adjusting device is fixedly installed with fixed plate 5, the side of fixed plate 5 is fixedly installed with hydraulic cylinder 6, the output shaft of hydraulic cylinder 6 penetrates the side of fixed plate 5 and extends fixedly installed with cutter 7, the upper end surface of installation base 1 is fixedly installed with mounting plate 10, the side of mounting plate 10 is rotatably installed with fixed block 14, the outer wall of fixed block 14 is fixedly installed with gear ring 17, the side of fixed block 14 is equipped with installation groove 18, and be equipped with fixing device in installation groove 18.

[0027] Further, the adjusting device includes a threaded rod 3, and the threaded rod 3 is mounted on the inner side wall of the slide groove 2 through a bearing. The threaded rod 3 is connected with a sliding block 4 through a threaded sleeve, and the sliding block 4 is slidingly connected in the slide groove 2. The fixed plate 5 is fixedly installed on the upper end surface of the sliding block 4.

[0028] Further, the fixing device includes a bidirectional screw rod 19, and the bidirectional screw rod 19 is mounted on the inner bottom wall of the installation groove 18 through a bearing. The bidirectional screw rod 19 is connected with two mounting blocks 20 through screw sleeves, and the two mounting blocks 20 are slidingly connected in the installation groove 18. One side of each mounting block 20 is fixedly connected with a link block 15. One end of each link block 15 is fixedly installed with a clamping plate 16. The two mounting blocks 20 are respectively connected on opposite threads of the bidirectional screw rod 19 through screw sleeves.

[0029] Further, the installation base 1 is fixedly installed with a first mounting frame 8 on one side. The first mounting frame 8 is fixedly installed with a first motor 9. The output shaft of the first motor 9 penetrates one side of the installation base 1 and is fixedly connected with one end of the threaded rod 3.

[0030] Further, the mounting plate 10 is fixedly installed with a second mounting frame 11 on one side. The second mounting frame 11 is fixedly installed with a second motor 12. The output shaft of the second motor 12 penetrates one side of the mounting plate 10 and is extended to be installed with a driving gear 13. The driving gear 13 is engaged with the gear ring 17. The second motor 12 can drive the driving gear 13 to rotate the gear ring 17.

[0031] Further, one end of the bidirectional screw rod 19 penetrates the inner top wall of the installation groove 18 and is extended to be installed with a handle outward.

[0032] Further, each clamping plate 16 is provided with a rubber pad. The rubber pad increases the friction between the steel pipe and ensures the firm fixation of the steel pipe. At the same time, the rubber pad avoids damaging the surface of the steel pipe.

[0033] In specific use, the working principle of the utility model is as follows:

[0034] The spiral welded steel pipe is placed in the mounting groove 18 of the fixed block 14, the two-way screw rod 19 is rotated by the handle, when the two-way screw rod 19 rotates, the two mounting blocks 20 move in the mounting groove 18 in opposite directions, the connecting block 15 fixedly connected on one side of the mounting block 20 drives the clamping plate 16 to move, and finally the two clamping plates 16 clamp the spiral welded steel pipe.

[0035] The first motor 9 is started, the output shaft of the first motor 9 drives the threaded rod 3 to rotate, then the rotation of the threaded rod 3 drives the sliding block 4 to slide in the sliding groove 2 along the axial direction of the threaded rod 3, since the fixed plate 5 is fixedly installed on the upper end surface of the sliding block 4, the movement of the sliding block 4 drives the fixed plate 5, the hydraulic cylinder 6 and the cutter 7 to move together, so that the position of the cutter 7 in the horizontal direction is adjusted to align with the pipe head part of the spiral welded steel pipe which needs to be flattened.

[0036] The second motor 12 is started, the output shaft of the second motor 12 drives the driving gear 13 to rotate, the driving gear 13 meshes with the gear ring 17, the gear ring 17 is fixedly installed on the outer wall of the fixed block 14, so the rotation of the driving gear 13 drives the gear ring 17 and the fixed block 14 to rotate together, and then the spiral welded steel pipe fixed on the fixed block 14 is rotated.

[0037] When the steel pipe rotates and the position of the cutter 7 is adjusted, the hydraulic cylinder 6 is started, the output shaft of the hydraulic cylinder 6 drives the cutter 7 to move towards the pipe head of the spiral welded steel pipe, the cutter 7 contacts and cuts or trims the pipe head, with the rotation of the steel pipe, the flattening work of the whole pipe head is completed, by adjusting the position of the cutter 7, the extension length of the hydraulic cylinder 6 and the rotation speed of the steel pipe and other parameters, the flattening treatment of the pipe head of the spiral welded steel pipe of different specifications can be realized.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pipe end leveling device for spiral welded steel pipes, comprising a mounting base (1), characterized in that: A sliding groove (2) is provided on one side of the mounting base (1). An adjustment device is provided in the sliding groove (2). A fixing plate (5) is fixedly installed on the output end of the adjustment device. A hydraulic cylinder (6) is fixedly installed on one side of the fixing plate (5). The output shaft of the hydraulic cylinder (6) passes through one side of the fixing plate (5) and extends to fix a cutting tool (7). A mounting plate (10) is fixedly installed on the upper surface of the mounting base (1). A fixing block (14) is rotatably installed on one side of the mounting plate (10). A gear ring (17) is fixedly installed on the outer wall of the fixing block (14). A mounting groove (18) is provided on one side of the fixing block (14). A fixing device is provided in the mounting groove (18).

2. The spiral welded steel pipe end leveling device according to claim 1, characterized in that: The adjusting device includes a threaded rod (3), which is mounted on the inner wall of the slide groove (2) via a bearing. The threaded rod (3) is connected to a slider (4) via a threaded sleeve, and the slider (4) is slidably connected in the slide groove (2). A fixing plate (5) is fixedly mounted on the upper end face of the slider (4).

3. The spiral welded steel pipe end leveling device according to claim 1, characterized in that: The fixing device includes a bidirectional lead screw (19), which is mounted on the inner bottom wall of the mounting groove (18) via bearings. The bidirectional lead screw (19) is connected to two mounting blocks (20) via lead screw sleeves, and both mounting blocks (20) are slidably connected in the mounting groove (18). Each mounting block (20) has a connecting block (15) fixedly connected to one side, and a clamping plate (16) is fixedly installed at one end of each connecting block (15).

4. The spiral welded steel pipe end leveling device according to claim 1, characterized in that: A first mounting bracket (8) is fixedly mounted on one side of the mounting base (1), and a first motor (9) is fixedly mounted on the first mounting bracket (8). The output shaft of the first motor (9) passes through one side of the mounting base (1) and is fixedly connected to one end of the threaded rod (3).

5. The spiral welded steel pipe end leveling device according to claim 1, characterized in that: A second mounting bracket (11) is fixedly mounted on one side of the mounting plate (10). A second motor (12) is fixedly mounted on the second mounting bracket (11). The output shaft of the second motor (12) passes through one side of the mounting plate (10) and extends to mount a drive gear (13). The drive gear (13) meshes with a gear ring (17).

6. The spiral welded steel pipe end leveling device according to claim 3, characterized in that: One end of the bidirectional lead screw (19) passes through the inner top wall of the mounting groove (18) and extends outward to install a handle.

7. The spiral welded steel pipe end leveling device according to claim 3, characterized in that: Each of the clamps (16) is provided with a rubber pad.