Large-diameter steel pipe straightening and finishing equipment

By designing automated steel pipe conveying and straightening equipment, the inconvenience of conveying and processing large-diameter steel pipe straightening equipment has been solved, realizing automatic feeding and monitoring reminders, and improving straightening efficiency and safety.

CN223902642UActive Publication Date: 2026-02-13TIANJIN HAITIAN XINYE STEEL PIPE CO LTD
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Patent Information

Application Number
CN202520265234.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2026-02-13
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

Existing large-diameter steel pipe straightening equipment is inconvenient during conveying and processing, increases the difficulty of work, reduces straightening efficiency, and lacks automatic feeding and monitoring reminder functions.

Method used

A device comprising a transport platform, a conveying channel, a hydraulic cylinder, a straightening pressure plate, a fixing component, a motor, and a pressure sensor was designed. Through the combination of ball bearing conveying, roller friction blocks, and conveying wheels, automatic feeding and monitoring alerts are achieved, ensuring the stability and safety of steel pipes during the conveying process.

Benefits of technology

It enables convenient conveying and processing of large-diameter steel pipes, automatic feeding, improved straightening efficiency, and ensures safe and reliable operation of the equipment through monitoring and reminder functions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses straightening and finishing equipment for large-diameter steel pipes, which relates to the technical field of steel pipe processing and comprises a conveying table, an outer operation box is fixedly connected to the left side of the top end of the conveying table, a conveying channel is fixedly connected to the bottom end in the outer operation box, and sliding balls are arranged at the upper end and the lower end in the conveying channel respectively. A hydraulic cylinder is arranged at the top end of the operation outer box, a straightening pressing plate is arranged above the conveying channel, and a fixing assembly facilitating transportation is fixedly connected to the right side of the operation outer box. According to the straightening and finishing equipment for the large-diameter steel pipe, the fixing plate, the first motors, the second motors, the rotating rods, the rollers, the friction blocks and the grooves are arranged, and the rotating rods at the bottom ends are driven by the four sets of first motors and the four sets of second motors to rotate clockwise and anticlockwise correspondingly; therefore, the roller rotates in the opposite direction, the large-diameter steel pipe in the roller can be automatically conveyed into a conveying channel in the operation outer box, and the problem that the device does not have the function of facilitating conveying and machining is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe processing technical field, concretely is a large -diameter steel pipe straightening finishing equipment. BACKGROUND

[0002] The whole steel pipe surface without joint produced by drawing, extrusion, perforation and other methods for cold-drawn steel pipe. It is a kind of hollow section, peripheral joint-free circular, square, rectangular steel. It is made of billet or solid pipe blank by perforation, and then by cold drawing.

[0003] Steel pipe is prone to uneven in the processing process, needs to use straightening finishing equipment to process it, most straightening equipment on the market usually places large-diameter steel pipe on the processing table, then the motor drives the pressing plate to straighten the concave-convex surface of the steel pipe downward, there are some inconvenience in actual operation, and there is certain improvement space, such as most steel pipes need to be manually sent into the straightening equipment by workers, which is not convenient for better conveying the curved steel pipe, thereby increasing the operation difficulty of work, thereby reducing the straightening efficiency of the steel pipe, and not having the function of convenient conveying and processing.

[0004] Now, a new large-diameter steel pipe straightening finishing equipment is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a large-diameter steel pipe straightening finishing equipment to solve the problem of the function of convenient conveying and processing in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a large-diameter steel pipe straightening finishing equipment, which comprises a conveying table, a operation outer box is fixedly connected to the left side of the top of the conveying table, a conveying channel is fixedly connected to the bottom of the inside of the operation outer box, sliding beads are arranged at the upper and lower ends of the inside of the conveying channel respectively, a hydraulic cylinder is arranged at the top of the operation outer box, a straightening pressing plate is arranged above the conveying channel, and a convenient conveying fixing assembly is fixedly connected to the right side of the operation outer box.

[0007] The fixing assembly comprises a fixed plate, the fixed plate is fixedly connected to the right side of the operation outer box, four groups of first motors are arranged at the front end of the inside of the fixed plate, four groups of second motors are arranged at the rear end of the inside of the fixed plate, rotating rods are arranged at the bottom ends of the four groups of first motors and second motors, rollers are fixedly connected to the outside of the rotating rods, friction blocks are fixedly connected to the outside of the rollers, and four groups of grooves are arranged at the front and rear sides of the top of the inside of the conveying table.

[0008] As a further technical scheme of the utility model, four groups of the output end of the first motor and the second motor and the top end of the rotating rod are connected, and the vertical center lines of the roller and the friction block coincide.

[0009] As a further technical scheme of the utility model, four groups of the first motor and the second motor are arranged at equal intervals, and the shape size of the roller outside and the shape size of the groove inside are adapted.

[0010] As a further technical scheme of the utility model, there is a distance between the first motor and the second motor, and the grooves are symmetrically distributed about the horizontal center line of the transport table.

[0011] As a further technical scheme of the utility model, a support frame is welded on the left side of the transport table, a front plate is fixedly connected to the front end of the top of the support frame, a rear plate is fixedly connected to the rear end of the top of the front plate, six groups of conveying wheels are arranged at the front end in the rear plate, a sliding plate is fixedly connected below the front plate, two groups of extension rods are arranged below the six groups of conveying wheels, and a push plate is fixedly connected to the top end of the two groups of extension rods.

[0012] As a further technical scheme of the utility model, the height of the rear plate is higher than that of the front plate, the extension rods are symmetrically distributed about the vertical center line of the support frame, and the six groups of conveying wheels are arranged at equal intervals.

[0013] As a further technical scheme of the utility model, a pressure sensor is arranged at the top end in the straightening pressing plate, an installation base is fixedly connected to the left side of the top end of the operation outer box, a PLC controller is arranged at the left side of the top end of the installation base, and a signal lamp is arranged at the right side of the top end of the installation base.

[0014] As a further technical scheme of the utility model, the pressure sensor, the PLC controller and the signal lamp are electrically connected, and there is a distance between the installation base and the hydraulic cylinder.

[0015] Compared with the prior art, the utility model has the advantages that the large-diameter steel pipe straightening and finishing equipment not only realizes the function of convenient conveying and processing, but also realizes the functions of automatic feeding and monitoring and reminding.

[0016] The large-diameter steel pipe is sent into the conveying channel in the operation outer box, and the steel pipe moves under the sliding of the sliding ball, and the straightening pressing plate driven by the hydraulic cylinder is pressed downwards towards the conveying channel, so that the steel pipe in the conveying channel is subjected to straightening and finishing treatment, before the steel pipe is sent in, four groups of first motors in the front end of the fixed plate are opened, the rotating rods at the bottom end are driven to rotate clockwise by the four groups of first motors, so that the rollers are driven to rotate clockwise in the grooves at the front end of the conveying table, and the rotating rods at the bottom end are driven to rotate counterclockwise by four groups of second motors, so that the rollers are driven to rotate counterclockwise in the grooves at the rear end of the conveying table, and the opposite movement of the rollers can automatically transport the large-diameter steel pipe in the conveying table to the conveying channel in the operation outer box, and the friction block increases the transportation friction to prevent the steel pipe from being deviated, so that the step of manually sending the steel pipe into the straightening device is saved, and the function of convenient conveying and processing is realized.

[0017] When the steel pipe is straightened and finished in the operation outer box, the straightened steel pipe in the conveying channel is extruded to the top of the support frame due to the conveying of the next steel pipe material, and the straightened steel pipe is conveyed by the six groups of conveying wheels fixed by the rear plate and the front plate, the extension rod is opened, the push plate at the output end of the extension rod is moved upwards, the steel pipe at the top end of the conveying wheel is pushed out by the push plate, and the steel pipe slides to the collecting box through the sliding plate at the bottom end of the front plate, so that the step of manually taking out the straightened steel pipe is saved, the working efficiency of the straightening device is improved, and the automatic feeding function is realized.

[0018] When the large-diameter steel pipe is transported by the roller and enters the conveying channel, the straightening pressing plate is pressed downwards by the hydraulic cylinder to process and treat the position of the steel pipe that needs to be adjusted, and the pressure sensor in the straightening pressing plate senses the pressure value and the pressing state, and once the pressure is too fast or too slow, the PLC controller fixed on the mounting base transmits the monitoring signal to the signal lamp, and the signal lamp reminds the operator to check the processing condition in the operation outer box, so that the workpiece damage is prevented, the use safety effect of the straightening and finishing device is better, and the monitoring and reminding function is realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of the utility model;

[0020] Figure 2 It is a fixed plate right view structural schematic diagram of the utility model;

[0021] Figure 3 It is a support frame left view structural schematic diagram of the utility model;

[0022] Figure 4 It is the overhead structure schematic view of the utility model;

[0023] Figure 5 It is the Figure 1 The front view enlarged structure schematic view of A place in the middle;

[0024] In the drawing: 1, transport platform; 2, operation outer box; 3, conveying channel; 4, sliding ball; 5, hydraulic cylinder; 6, straightening pressing plate; 7, fixed plate; 8, first motor; 9, second motor; 10, rotating rod; 11, roller; 12, friction block; 13, groove; 14, support frame; 15, front plate; 16, rear plate; 17, conveying wheel; 18, sliding plate; 19, extension rod; 20, push plate; 21, pressure sensor; 22, mounting base; 23, PLC controller; 24, signal lamp. DETAILED DESCRIPTION

[0025] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment: please refer to Figures 1-5 A large-diameter steel pipe straightening finishing equipment, including transport platform 1, the left side of the top of transport platform 1 is fixedly connected with operation outer box 2, the bottom of the inside of operation outer box 2 is fixedly connected with conveying channel 3, the upper and lower ends of the inside of conveying channel 3 are respectively provided with sliding ball 4, the top of operation outer box 2 is provided with hydraulic cylinder 5, the upper of conveying channel 3 is provided with straightening pressing plate 6, the right side of operation outer box 2 is fixedly connected with the fixed assembly that can be convenient for transportation;

[0027] Please refer to Figures 1-5 A large-diameter steel pipe straightening finishing equipment further includes fixed assembly, the fixed assembly includes fixed plate 7, the right side of operation outer box 2 is fixedly connected with fixed plate 7, the front end of the inside of fixed plate 7 is provided with four groups of first motor 8, the rear end of the inside of fixed plate 7 is provided with four groups of second motor 9, the bottom of four groups of first motor 8 and second motor 9 is provided with rotating rod 10, the outside of rotating rod 10 is fixedly connected with roller 11, the outside of roller 11 is fixedly connected with friction block 12, the front and rear sides of the inside top of transport platform 1 are respectively provided with four groups of grooves 13;

[0028] The top end of the rotating rod 10 is connected with the output end of the four sets of first motor 8 and second motor 9, the vertical center line of the roller 11 and the friction block 12 coincides, the four sets of first motor 8 and second motor 9 are arranged at equal intervals, the shape and size of the roller 11 outside are matched with the shape and size of the groove 13 inside, there is a distance between the first motor 8 and the second motor 9, and the groove 13 is symmetrically distributed about the horizontal center line of the transport table 1;

[0029] Specifically, as shown in Figure 1 、 Figure 2 and Figure 4 , after the large-diameter steel pipe is sent into the conveying channel 3 inside the operation outer box 2, the steel pipe moves under the sliding of the sliding ball 4, and the straightening pressing plate 6 is driven by the hydraulic cylinder 5 to press downward in the direction of the conveying channel 3, so that the steel pipe inside the conveying channel 3 is subjected to straightening finishing treatment. Before the steel pipe is sent in, the four sets of first motor 8 inside the fixed plate 7 can be turned on, so that the four sets of first motor 8 drive the rotating rod 10 at the bottom to rotate clockwise, so as to drive the roller 11 to rotate clockwise in the groove 13 inside the front end of the transport table 1, and then the four sets of second motor 9 drive the rotating rod 10 at the bottom to rotate counterclockwise, so as to drive the roller 11 to rotate counterclockwise in the groove 13 at the rear end of the transport table 1. The opposite movement of the roller 11 can automatically transport the large-diameter steel pipe inside to the conveying channel 3 inside the operation outer box 2, and the friction block 12 increases the transportation friction to prevent the steel pipe from deviating, thereby saving the step of manually sending the steel pipe into the straightening device.

[0030] The support frame 14 is welded on the left side of the transport table 1, the front plate 15 is fixedly connected to the top front end of the support frame 14, the rear plate 16 is fixedly connected to the top rear end of the support frame 14, the six sets of conveying wheels 17 are arranged on the front end inside the rear plate 16, the sliding plate 18 is fixedly connected below the front plate 15, the two sets of extension rods 19 are arranged below the six sets of conveying wheels 17, the push plate 20 is fixedly connected to the top end of the two sets of extension rods 19, the height of the rear plate 16 is higher than that of the front plate 15, the extension rods 19 are symmetrically distributed about the vertical center line of the support frame 14, and the six sets of conveying wheels 17 are arranged at equal intervals;

[0031] Specifically, as shown in Figure 1 、 Figure 3 and Figure 4 , when the steel pipe is straightened and finished inside the operation outer box 2, due to the conveying of the next steel pipe material, the straightened steel pipe in the conveying channel 3 is extruded to be conveyed above the support frame 14, and then the six sets of conveying wheels 17 fixed by the rear plate 16 and the front plate 15 receive and convey the steel pipe. By opening the extension rods 19, the push plate 20 at the output end of the extension rods 19 moves upward, the steel pipe at the top end of the conveying wheel 17 is pushed out by the push plate 20, and then slides to the collecting box through the sliding plate 18 at the bottom of the front plate 15, thereby saving the step of manually taking out the steel pipe after straightening and finishing, and improving the working efficiency of the straightening device.

[0032] The top end inside the straightening pressing plate 6 is provided with a pressure sensor 21, the left side of the top end of the operation outer box 2 is fixedly connected with a mounting base 22, the left side of the top end of the mounting base 22 is provided with a PLC controller 23, the right side of the top end of the mounting base 22 is provided with a signal lamp 24, the pressure sensor 21, the PLC controller 23 and the signal lamp 24 are electrically connected, and there is a distance between the mounting base 22 and the hydraulic cylinder 5;

[0033] Specifically, as shown in Figure 1 and Figure 5 , the large-diameter steel pipe enters the inside of the conveying channel 3 after being transported by the roller 11, and then the hydraulic cylinder 5 drives the straightening pressing plate 6 to press down the position of the steel pipe that needs to be adjusted for processing, the straightening pressing plate 6 is pressed down at the same time, and the pressure sensor 21 inside the straightening pressing plate 6 senses the pressing state and the pressure value, once the pressure is too fast or too slow, the monitoring signal will be transmitted to the signal lamp 24 through the PLC controller 23 fixed with the mounting base 22, and the signal lamp 24 will remind the operator to check the processing condition inside the operation outer box 2, so as to prevent the workpiece from being damaged and cause the steel pipe processing to fail, and the use safety effect of the straightening finishing equipment is better.

[0034] Working principle: the utility model discloses in using, first, the large -diameter steel pipe is sent into the conveying channel 3 in the operation outer box 2 inside, under the sliding of slide ball 4 steel pipe moves, and is driven by hydraulic cylinder 5 straightening pressure plate 6 to the direction of conveying channel 3 under pressure, to this inside steel pipe in conveying channel 3 is straightened and finished processing, before steel pipe is sent in, can pass through the opening fixed plate 7 inside the front end's four groups first motor 8, make four groups first motor 8 drive bottom end's rotating rod 10 clockwise rotation, to this drive cylinder 11 in the recess 13 of the front end in conveying platform 1 inside clockwise rotation, again by four groups second motor 9 drive bottom end's rotating rod 10 counterclockwise rotation, to this drive cylinder 11 in the recess 13 of the rear end in conveying platform 1 inside counterclockwise rotation, the opposite movement of cylinder 11 can make inside the large -diameter steel pipe automatic transportation to the conveying channel 3 in the operation outer box 2 inside, simultaneously by friction block 12 increase transportation friction force and prevent steel pipe position to shift, save manpower and send the step of steel pipe into straightening equipment inside, when steel pipe is straightened and finished in the operation outer box 2 inside, because of the conveying of next steel pipe material, the straightened steel pipe in conveying channel 3 can be extruded to be sent to the above of support frame 14, again by the six groups of conveying wheels 17 of back plate 16 and front plate 15 fixedly receive and convey, pass through the opening extension rod 19 make that extension rod 19 output end's push plate 20 moves up, and the steel pipe of conveying wheel 17 top is pushed out by push plate 20, and is slid to the collecting box through the sliding plate 18 of front plate 15 bottom end, save the step that the worker needs to take out after steel pipe straightening and finishing, improve the work efficiency of straightening equipment, the large -diameter steel pipe is transported after cylinder 11 and enters the inside of conveying channel 3, again by hydraulic cylinder 5 drive straightening pressure plate 6 under pressure to the position processing that steel pipe needs to adjust, straightening pressure plate 6 under pressure simultaneously by the pressure sensor 21 in straightening pressure plate 6 inside induction under pressure state and pressure value, once monitoring pressure is too fast or too slow, will pass through the PLC controller 23 of having installed base 22 fixedly signal lamp 24 is transmitted to signal lamp 24 after the response of the operator checks the processing situation in operation outer box 2 inside, prevent workpiece damage leads to steel pipe processing failure, the use safety effect of straightening and finishing equipment is better.

[0035] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features thereof. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A large-diameter steel pipe straightening and finishing apparatus comprising a transport table (1), characterized in that: The left side of the top end of the transport platform (1) is fixedly connected with an operation outer box (2), the bottom end of the inside of the operation outer box (2) is fixedly connected with a conveying channel (3), the upper and lower ends of the inside of the conveying channel (3) are respectively provided with sliding balls (4), the top end of the operation outer box (2) is provided with a hydraulic cylinder (5), the upper side of the conveying channel (3) is provided with a straightening pressing plate (6), and the right side of the operation outer box (2) is fixedly connected with a fixed assembly convenient for transportation. The fixed assembly comprises a fixed plate (7), the fixed plate (7) is fixedly connected to the right side of the operation outer box (2), the front end of the inside of the fixed plate (7) is provided with four groups of first motors (8), the rear end of the inside of the fixed plate (7) is provided with four groups of second motors (9), the bottom end of each of the four groups of first motors (8) and second motors (9) is provided with a rotating rod (10), the outside of the rotating rod (10) is fixedly connected with a roller (11), the outside of the roller (11) is fixedly connected with a friction block (12), and the front and rear sides of the inside top end of the transport platform (1) are respectively provided with four groups of grooves (13).

2. The large-diameter steel pipe straightening and finishing apparatus according to claim 1, characterized by: The output ends of the four groups of first motors (8) and second motors (9) and the top end of the rotating rod (10) are connected, and the vertical center lines of the roller (11) and the friction block (12) coincide.

3. The large-diameter steel pipe straightening and finishing apparatus according to claim 2, characterized by: The four groups of first motors (8) and second motors (9) are arranged at equal intervals, and the shape and size of the outside of the roller (11) are adapted to the shape and size of the inside of the groove (13).

4. The large-diameter steel pipe straightening and finishing apparatus according to claim 3, characterized by: The first motor (8) and the second motor (9) are spaced apart, and the grooves (13) are symmetrically distributed about the horizontal center line of the transport platform (1).

5. The large-diameter steel pipe straightening and finishing apparatus according to claim 1, characterized by: The left side of the transport platform (1) is welded with a support frame (14), the front end of the top of the support frame (14) is fixedly connected with a front plate (15), the rear end of the top of the front plate (15) is fixedly connected with a rear plate (16), the front end of the inside of the rear plate (16) is provided with six groups of conveying wheels (17), the lower side of the front plate (15) is fixedly connected with a sliding plate (18), the lower side of each of the six groups of conveying wheels (17) is provided with two groups of extension rods (19), and the top end of each of the two groups of extension rods (19) is fixedly connected with a push plate (20).

6. The large-diameter steel pipe straightening and finishing apparatus according to claim 5, characterized by: The height of the rear plate (16) is higher than that of the front plate (15), the extension rods (19) are symmetrically distributed about the vertical center line of the support frame (14), and the six groups of conveying wheels (17) are arranged at equal intervals.

7. The large diameter steel pipe straightening and finishing apparatus according to claim 1, characterized by: The top end of the inside of the straightening pressing plate (6) is provided with a pressure sensor (21), the left side of the top end of the operation outer box (2) is fixedly connected with a mounting base (22), the left side of the top end of the mounting base (22) is provided with a PLC controller (23), and the right side of the top end of the mounting base (22) is provided with a signal lamp (24).

8. The large diameter steel pipe straightening and finishing apparatus according to claim 7, characterized by: The pressure sensor (21), the PLC controller (23) and the signal lamp (24) are electrically connected, and there is a distance between the mounting base (22) and the hydraulic cylinder (5).