Steel pipe inner welding seam leveling equipment

By designing a steel pipe internal weld smoothing device with pulley drive and lifting mechanism, the problem of adaptability to different steel pipes was solved, and efficient grinding effect was achieved for steel pipes of different sizes.

CN223820219UActive Publication Date: 2026-01-23JIANGSU RISING STAINLESS STEEL PIPE CO LTD
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Patent Information

Application Number
CN202520138535.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-01-23
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Existing steel pipe weld smoothing devices cannot adapt to steel pipes of different diameters, resulting in high limitations in their use.

Method used

A steel pipe internal weld smoothing device was designed, which includes a moving, clamping, lifting, and resetting mechanism. The grinding disc is driven to rotate by a pulley and synchronous belt transmission system, and the position of the grinding disc is adjusted by the lifting mechanism to adapt to steel pipes of different sizes.

Benefits of technology

It enables efficient grinding and smoothing of the internal weld seams of steel pipes of different sizes. The structure is simple and easy to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel pipe inner weld joint leveling device which comprises a working table, a moving plate is installed on one side of the working table through a moving mechanism, a first belt wheel is fixedly installed on one side of the working table through the moving mechanism, and a lifting plate is installed on the top of the moving plate through a lifting mechanism. A placing plate and a mounting block are fixedly mounted at the top of the lifting plate, and a clamping mechanism is arranged at the top of the mounting block. The reset mechanism drives the mounting column to leave the inner wall of the mounting groove, limiting mounting of the grinding disc can be loosened, the grinding disc can be taken down, then the positioning block on one side of the grinding disc with the proper size is inserted into the inner wall of the positioning groove, the reset mechanism drives the mounting column to be inserted into the inner wall of the mounting groove, and limiting mounting of the grinding disc can be achieved. The lifting mechanism drives the lifting plate to ascend and descend, the lifting plate drives the centers of the steel pipes to be aligned with the center of the grinding disc, the purpose of conveniently grinding the steel pipes of different sizes is achieved, the structure is simple, and use is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe inner weld flattening technical field especially relates to a steel pipe inner weld flattening equipment. BACKGROUND

[0002] Steel pipe is the pipe material made of steel, has hollow section, its length is much bigger than the diameter or perimeter steel. According to section shape, it is divided into round, square, rectangular and special-shaped steel pipe;According to material, it is divided into carbon structural steel pipe, low alloy structural steel pipe, alloy steel pipe and composite steel pipe;According to use, it is divided into conveying pipeline, engineering structure, hot work equipment, petroleum and chemical industry, machinery manufacturing, geological drilling, high pressure equipment steel pipe etc., after welding to steel pipe, usually needs to flatten device to the weld inside steel pipe and is flattened.

[0003] In the process of using the flattening device to flatten the weld inside the steel pipe, the polishing disc is usually extended into the inside of the steel pipe, and the weld inside the steel pipe can be polished by the polishing disc, but the size of the steel pipe is different, and the weld inside the steel pipe of different thickness cannot be polished and flattened, which leads to high limitation of the flattening device, and is not conducive to the use of the flattening device. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a steel pipe inner weld flattening equipment, which solves the problems in the background art.

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

[0006] A steel pipe inner weld flattening equipment, including workbench, the side of workbench is installed with moving plate through moving mechanism, the side of workbench is fixedly installed with first pulley through moving mechanism, the top of moving plate is installed with lifting plate through lifting mechanism, the top of lifting plate is fixedly installed with placing plate and mounting block, the top of mounting block is provided with clamping mechanism, the surface of first pulley is engaged and installed with synchronous belt, the inner wall of synchronous belt is engaged and installed with second pulley, the inner wall of second pulley is fixedly installed with rotating rod, the surface of rotating rod is fixedly installed with connecting plate, the top of connecting plate is provided with positioning slot, the inner wall of positioning slot is slidably installed with positioning block, the side of positioning block is fixedly installed with polishing disc, the top of positioning block is provided with installation slot, the inside of connecting plate is installed with mounting column through reset mechanism.

[0007] Preferably, the moving mechanism includes a motor fixedly installed on one side of the workbench, the output end of the motor is fixedly installed with a lead screw, the surface of the lead screw is threadedly sleeved with a moving block, the top of the moving block and the bottom of the moving plate are fixedly installed, and the surface of the lead screw and the inner wall of the first pulley are fixedly installed.

[0008] Preferably, the lifting mechanism comprises a first electric push rod fixedly installed at the top of the moving plate, and the output end of the first electric push rod is fixedly installed with a push plate, and the top of the push plate is fixedly installed with the bottom of the lifting plate.

[0009] Preferably, the clamping mechanism comprises a second electric push rod fixedly installed at the top of the mounting block, and the output end of the second electric push rod is fixedly installed with a clamping plate, and the second electric push rod and the clamping plate are in two groups and are symmetrically arranged.

[0010] Preferably, the reset mechanism comprises a slot formed in the inner wall of the connecting plate, and the inner wall of the slot is fixedly installed with a telescopic rod and a spring, one end of the telescopic rod is fixedly installed with a sliding plate, and one end of the spring and one side of the sliding plate are fixedly installed, and one side of the sliding plate and one end of the mounting column are fixedly installed.

[0011] Preferably, the top of the slot is provided with a sliding hole, and the inner wall of the sliding hole is slidably installed with a sliding block, and the bottom of the sliding block and the top of the sliding plate are fixedly installed.

[0012] Preferably, the surface of the sliding plate and the inner wall of the slot are in close contact, and the inner wall of the mounting groove and the surface of the mounting column are matched.

[0013] Compared with the prior art, the beneficial effects of the present application are:

[0014] 1. The steel pipe is clamped by the clamping mechanism, the steel pipe is moved by the moving mechanism, the first pulley is driven to rotate by the moving mechanism, the synchronous belt is driven to rotate by the first pulley, the second pulley is driven to rotate by the synchronous belt, and the rotating rod is driven to rotate by the second pulley, so that the polishing disc can be driven to rotate, and the polishing disc can be inserted into the steel pipe while rotating, so that the internal weld of the steel pipe can be polished and smoothed.

[0015] 2. The mounting column is separated from the inner wall of the mounting groove by the reset mechanism, so that the limiting installation of the polishing disc is released, the positioning block on one side of the polishing disc is inserted into the inner wall of the positioning groove, the mounting column is inserted into the inner wall of the mounting groove by the reset mechanism, the polishing disc is limited and installed, the lifting plate is lifted by the lifting mechanism, the center of the steel pipe is aligned with the center of the polishing disc, and the steel pipe of different sizes can be polished and smoothed, so that the steel pipe of different sizes can be polished conveniently, and the structure is simple and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The present application is a structure schematic view of the present application;

[0017] Figure 2 The present application is a structure schematic view of the present application;

[0018] Figure 3 It is the structure schematic view of partial bottom view of the utility model.

[0019] Figure 4 It is the structure schematic view of partial sectional view of the utility model.

[0020] In the figure: 1, workbench;2, motor;3, screw;4, moving block;5, moving plate;6, first electric push rod;7, push plate;8, lifting plate;9, placing plate;10, mounting block;11, second electric push rod;12, clamping plate;13, first pulley;14, synchronous belt;15, second pulley;16, rotating rod;17, connecting plate;18, positioning groove;19, positioning block;20, polishing disc;21, mounting groove;22, slot;23, telescopic rod;24, spring;25, sliding plate;26, mounting column;27, sliding hole;28, sliding block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment: refer to Figures 1-4The utility model provides a technical scheme, a kind of steel pipe inner weld flattening equipment, including workbench 1, the side of workbench 1 is equipped with moving plate 5 by moving mechanism, the side of workbench 1 is fixedly installed with first pulley 13 by moving mechanism, moving mechanism includes motor 2 fixedly installed in the side of workbench 1, the output of motor 2 is fixedly installed with screw rod 3, the surface of screw rod 3 is equipped with moving block 4, the top of moving block 4 and the bottom of moving plate 5 are fixedly installed, it is convenient to drive moving plate 5 to move, the surface of screw rod 3 and the inner wall of first pulley 13 are fixedly installed, it is convenient to drive first pulley 13 to rotate, the top of moving plate 5 is equipped with lifting plate 8 by lifting mechanism, lifting mechanism includes first electric push rod 6 fixedly installed in the top of moving plate 5, the output of first electric push rod 6 is fixedly installed with push plate 7, the top of push plate 7 and the bottom of lifting plate 8 are fixedly installed, push plate 7 is driven to lift by first electric push rod 6, push plate 7 drives lifting plate 8 to lift, the height of lifting plate 8 can be adjusted, the top of lifting plate 8 is fixedly installed with placing plate 9 and mounting block 10, clamping mechanism is provided on the top of mounting block 10, clamping mechanism includes second electric push rod 11 fixedly installed in the top of mounting block 10, the output of second electric push rod 11 is fixedly installed with clamping plate 12, the number of second electric push rod 11 and clamping plate 12 is two groups and symmetrically arranged, clamping plate 12 is driven to move towards each other by two groups of second electric push rod 11, i.e. steel pipe can be clamped by two groups of clamping plate 12, it is convenient to clamp steel pipe, the surface of first pulley 13 is engaged with installation synchronous belt 14, synchronous belt 14 is engaged with installation second pulley 15 in inner wall, the inner wall of second pulley 15 is fixedly installed with rotating rod 16, the surface of rotating rod 16 is fixedly installed with connecting plate 17, the top of connecting plate 17 is equipped with positioning slot 18, positioning block 19 is slidably installed in the inner wall of positioning slot 18, the side of positioning block 19 is fixedly installed with polishing disc 20, it is convenient to position installation polishing disc 20, the top of positioning block 19 is equipped with installation slot 21.

[0023] Specifically, the inside of the connecting plate 17 is provided with the mounting column 26 through the reset mechanism, the reset mechanism comprises the notch 22 arranged in the inside of the connecting plate 17, the inner wall of the notch 22 is fixedly provided with the telescopic rod 23 and the spring 24, one end of the telescopic rod 23 is fixedly provided with the sliding plate 25, one end of the spring 24 and one side of the sliding plate 25 are fixedly arranged, one side of the sliding plate 25 and one end of the mounting column 26 are fixedly arranged, so as to conveniently drive the reset movement of the mounting column 26, the top of the notch 22 is provided with the sliding hole 27, the inner wall of the sliding hole 27 is slidably provided with the sliding block 28, the bottom of the sliding block 28 and the top of the sliding plate 25 are fixedly arranged, the surface of the sliding plate 25 and the inner wall of the notch 22 are in close contact, the inner wall of the mounting groove 21 and the surface of the mounting column 26 are matched, the steel pipe is clamped through the clamping mechanism, the steel pipe is moved through the moving mechanism, and the first pulley 13 is driven to rotate through the moving mechanism, the synchronous belt 14 is driven to rotate through the first pulley 13, the second pulley 15 is driven to rotate through the synchronous belt 14, the rotating rod 16 is driven to rotate through the second pulley 15, that is, the polishing disc 20 is driven to rotate, that is, the polishing disc 20 is inserted into the steel pipe while rotating, that is, the internal weld of the steel pipe can be polished and smoothed, the mounting column 26 is driven to move away from the inner wall of the mounting groove 21 through the reset mechanism, that is, the polishing disc 20 is released from the limiting installation, that is, the polishing disc 20 can be taken down, the positioning block 19 on one side of the polishing disc 20 with appropriate size is inserted into the inner wall of the positioning groove 18, the mounting column 26 is inserted into the inner wall of the mounting groove 21 through the reset mechanism, that is, the polishing disc 20 is limitedly installed, the lifting plate 8 is lifted and lowered through the lifting mechanism, the center of the steel pipe is aligned with the center of the polishing disc 20 through the lifting plate 8, that is, the steel pipe with different sizes can be polished and smoothed, the purpose that the steel pipes with different sizes are conveniently polished is achieved, and the structure is simple and convenient to use.

[0024] The electrical components in this document are all connected with the main controller and 220V mains electricity, and the main controller can be a computer or other conventional known device that can be controlled.

[0025] In use: in use of the steel pipe inner welding seam flattening device, by placing the steel pipe on the top of the placing plate 9, clamping the steel pipe through the clamping mechanism, after clamping, rotating the lead screw 3 through the motor 2, the lead screw 3 drives the moving block 4 to move, the moving block 4 drives the moving plate 5 to move, the moving plate 5 drives the steel pipe to move, at the same time, the lead screw 3 drives the first pulley 13 to rotate, the first pulley 13 drives the synchronous belt 14 to rotate, the synchronous belt 14 drives the second pulley 15 to rotate, the second pulley 15 drives the rotating rod 16 to rotate, the rotating rod 16 drives the connecting plate 17 to rotate, the connecting plate 17 drives the polishing disc 20 to rotate, that is, the polishing disc 20 can be extended into the steel pipe while rotating, that is, the inner welding seam of the steel pipe can be polished and flattened, by pulling the sliding block 28 to drive the sliding plate 25 to move, the sliding plate 25 drives the mounting column 26 to move away from the inner wall of the mounting groove 21, that is, the polishing disc 20 can be released and installed, that is, the polishing disc 20 can be removed, the positioning block 19 on one side of the polishing disc 20 is inserted into the inner wall of the positioning groove 18, the sliding block 28 is released, the mounting column 26 is inserted into the inner wall of the mounting groove 21 through the reset of the spring 24, that is, the polishing disc 20 can be limited and installed, the lifting plate 8 is lifted and lowered through the lifting mechanism, the center of the steel pipe is aligned with the center of the polishing disc 20, that is, the steel pipe of different sizes can be polished and flattened, the purpose of facilitating polishing of steel pipes of different sizes is achieved, and the structure is simple and convenient to use.

[0026] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A steel pipe internal weld smoothing device, comprising a workbench (1), characterized in that, A movable plate (5) is mounted on one side of the workbench (1) via a movable mechanism. A first pulley (13) is fixedly mounted on one side of the workbench (1) via a movable mechanism. A lifting plate (8) is mounted on the top of the movable plate (5) via a lifting mechanism. A placement plate (9) and a mounting block (10) are fixedly mounted on the top of the lifting plate (8). A clamping mechanism is provided on the top of the mounting block (10). A synchronous belt (14) is meshed with the surface of the first pulley (13). A second belt is meshed with the inner wall of the synchronous belt (14). The inner wall of the second pulley (15) is fixedly mounted with a rotating rod (16), and a connecting plate (17) is fixedly mounted on the surface of the rotating rod (16). A positioning groove (18) is provided on the top of the connecting plate (17), and a positioning block (19) is slidably mounted on the inner wall of the positioning groove (18). A grinding disc (20) is fixedly mounted on one side of the positioning block (19), and an installation groove (21) is provided on the top of the positioning block (19). An installation column (26) is installed inside the connecting plate (17) through a reset mechanism.

2. The steel pipe internal weld smoothing equipment according to claim 1, characterized in that, The moving mechanism includes a motor (2) fixedly installed on one side of the workbench (1), a lead screw (3) fixedly installed at the output end of the motor (2), a moving block (4) threadedly fitted on the surface of the lead screw (3), the top of the moving block (4) and the bottom of the moving plate (5) being fixedly installed, and the surface of the lead screw (3) and the inner wall of the first pulley (13) being fixedly installed.

3. The steel pipe internal weld smoothing equipment according to claim 1, characterized in that, The lifting mechanism includes a first electric push rod (6) fixedly installed on the top of the movable plate (5), and a push plate (7) is fixedly installed at the output end of the first electric push rod (6). The top of the push plate (7) and the bottom of the lifting plate (8) are fixedly installed.

4. The steel pipe internal weld smoothing equipment according to claim 1, characterized in that, The clamping mechanism includes a second electric push rod (11) fixedly installed on the top of the mounting block (10). The output end of the second electric push rod (11) is fixedly installed with a clamping plate (12). There are two sets of the second electric push rod (11) and the clamping plate (12) arranged symmetrically.

5. The steel pipe internal weld smoothing equipment according to claim 1, characterized in that, The reset mechanism includes a slot (22) opened inside the connecting plate (17). A telescopic rod (23) and a spring (24) are fixedly installed on the inner wall of the slot (22). A sliding plate (25) is fixedly installed at one end of the telescopic rod (23). One end of the spring (24) is fixedly installed on one side of the sliding plate (25). One side of the sliding plate (25) is fixedly installed on one end of the mounting post (26).

6. The steel pipe internal weld smoothing equipment according to claim 5, characterized in that, The top of the slot (22) is provided with a sliding hole (27), and a slider (28) is slidably installed on the inner wall of the sliding hole (27). The bottom of the slider (28) and the top of the slide plate (25) are fixedly installed.

7. The steel pipe internal weld smoothing equipment according to claim 5, characterized in that, The surface of the slide plate (25) fits into the inner wall of the slot (22), and the inner wall of the mounting groove (21) matches the surface of the mounting post (26).