CN223097674U - A straightening device for seamless steel pipe production - Google Patents

Abstract

The utility model discloses a straightening device for seamless steel pipe production, comprising a straightening frame, a fixed vertical plate symmetrically arranged on the upper end of the straightening frame, a rotating roller frame mounted between two fixed vertical plates, and a first telescopic cylinder fixedly embedded on both sides of the rotating roller frame. The utility model discloses a straightening device for seamless steel pipe production, through the design of the rotating roller frame, the first telescopic cylinder, the moving frame, the straightening roller, the limiting rectangular plate, the driven gear, the belt shaft driving gear, the reducer, the driving motor and the control component, so that the two first telescopic cylinders are extended to push the moving frame and the straightening rollers to approach each other to clamp and fix the seamless steel pipe inside the rotating roller frame, and then the belt shaft driving gear is driven to rotate through the reducer and the driving motor to mesh with the driven gear to drive the rotating roller frame, so that the straightening roller follows the rotation, the seamless steel pipe is fully straightened from the outside, and the straightening rollers exert the same pressure on the seamless steel pipe to ensure the straightening effect.

Description

Straightening device for seamless steel tube production

Technical Field

The utility model relates to the technical field of straightening devices for seamless steel tube production, in particular to a straightening device for seamless steel tube production.

Background

The seamless steel pipe is formed by perforating a whole round steel, the surface of the seamless steel pipe is not provided with a weld joint, the seamless steel pipe is called a seamless steel pipe, the seamless steel pipe is rolled by common carbon structural steel, low alloy structural steel or alloy structural steel, the yield is the highest, the seamless steel pipe is mainly used as a pipeline or a structural part for conveying fluid, and a straightening device is required to straighten the seamless steel pipe when the seamless steel pipe is produced in order to ensure the geometric shape and the mechanical property of the seamless steel pipe;

The utility model discloses a straightening device for seamless steel tube production, which comprises a main body, wherein a straightening structure is arranged in the main body, the straightening structure comprises two electric push rods, a lifting seat, a fixed seat, two sliding seats, a plurality of correction wheels, an adjusting component and two cleaning components, the utility model relates to the technical field of seamless steel tube production, an operator places a steel tube in the main body, then connects one end of the steel tube with a traction device, at the moment, the plurality of correction wheels can perform continuous straightening operation on the steel tube, the correction wheels in the device are symmetrically arranged and cannot be completely contacted with the outer side of the seamless steel tube, each point on the outer wall of the seamless steel tube possibly has uneven stress, the seamless steel tube cannot be comprehensively straightened, the straightening effect is influenced, the specification of each correction wheel is fixed, and the seamless steel tube with different specifications cannot be guaranteed to have the same straightening effect.

Disclosure of utility model

The utility model aims to provide a straightening device for seamless steel tube production, which solves the problems that symmetrically arranged correction wheels cannot be fully contacted with the outer side of a seamless steel tube, each point on the outer wall of the seamless steel tube is possibly stressed unevenly, the seamless steel tube cannot be comprehensively straightened, the straightening effect is influenced, the specification of each correction wheel is fixed, and the straightening effect of the seamless steel tubes with different specifications cannot be guaranteed to be the same.

The straightening device for seamless steel tube production comprises a straightening underframe, wherein fixed vertical plates are symmetrically arranged at the upper end of the straightening underframe, a rotary rolling frame is erected between the two fixed vertical plates, first telescopic cylinders are fixedly embedded on two sides of the rotary rolling frame, the end parts of the first telescopic cylinders extend into the rotary rolling frame, straightening rollers are symmetrically arranged in the rotary rolling frame, straightening rollers are symmetrically erected on one side, close to the center of the rotary rolling frame, of the movable frame, limiting rectangular plates are symmetrically arranged on one side, far away from the straightening rollers, of the movable frame, limiting rectangular plates extend to penetrate through the side wall of the rotary rolling frame on the same side, a control assembly is arranged on the outer side of the rotary rolling frame, a driven gear is fixedly arranged at one end of the rotary rolling frame, a driving gear with a shaft is arranged on the same side of the fixed vertical plate body of the driven gear, a speed reducer is fixedly connected with a driving motor at one end of the driving gear, seamless steel tube is comprehensively straightened from the outside, and the same pressure is ensured to be exerted on the straightening rollers.

Preferably, the control assembly comprises a controller and a power module, wherein the controllers are respectively arranged on two sides of the rotating roller frame, the power module is fixedly arranged on one side of the controller, and the power module is electrically connected with the controller and the first telescopic cylinder, so that a driving control part of the first telescopic cylinder is positioned on the same side of the rotating roller frame, and the follow-up connection control is facilitated.

Preferably, the driving gear with shaft is fixedly arranged at the bottom of the fixed vertical plate, and the driving gear with shaft is meshed with the driven gear to form a linkage part taking the driving motor as a power source.

Preferably, the top surface of the straightening underframe is symmetrically provided with a second telescopic cylinder, the top end of the second telescopic cylinder is fixedly provided with a supporting frame, the bottom surface of the supporting frame is symmetrically provided with a guide rod, and the guide rod extends to penetrate through the straightening underframe, so that the supporting frame is more stable to lift.

Preferably, the support frame is wholly by diaphragm, hang plate, support piece, back-up roll are constituteed, hang plate symmetry sets up in the diaphragm top, the back-up roll symmetry sets up in hang plate side, the back-up roll mount is located between corresponding back-up piece, carries out the bearing to seamless steel pipe and seamless steel pipe is portable.

Preferably, the bottom end of the straightening underframe is provided with supporting legs which are symmetrically distributed in pairs, so that the supporting stability is enhanced.

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

Through having designed to rotate and roll frame, first telescopic cylinder, remove the frame, the alignment roller, spacing rectangular plate, driven gear, take the axle driving gear, the reduction gear, driving motor cooperation control assembly, make two first telescopic cylinder extension promote and remove the frame, the alignment roller is close to each other and to be in the inside seamless steel pipe of rolling the frame and carry out the centre gripping fixedly, the rethread reduction gear, driving motor drives take the axle driving gear rotation and driven gear meshing drive and rotate and roll the frame, thereby make the alignment roller follow and rotate, carry out comprehensive straightening to seamless steel pipe from the outside, make the alignment roller exert the same pressure to seamless steel pipe, guarantee the straightening effect.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a support frame according to the present utility model;

FIG. 3 is a front view of the present utility model;

fig. 4 is a schematic view of a partial enlarged structure at a in fig. 1 according to the present utility model.

In the figure, 1, straightening a bottom frame; 2, supporting legs, 3, a fixed vertical plate, 4, a rotary rolling frame, 5, a first telescopic cylinder, 6, a movable frame, 7, a straightening roller, 8, a limiting rectangular plate, 9, a controller, 10, a power module, 11, a driven gear, 12, a driving gear with a shaft, 13, a speed reducer, 14, a driving motor, 15, a second telescopic cylinder, 16, a supporting frame, 17, a guide rod, 18 and a supporting roller.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the utility model provides a straightening device for seamless steel tube production, which comprises a straightening underframe 1, wherein fixed risers 3 are symmetrically arranged at the upper end of the straightening underframe 1, a rotary roller frame 4 is erected between the two fixed risers 3, two ends of the rotary roller frame 4 are clamped in corresponding fixed riser 3 plates, the rotary roller frame 4 can rotate, first telescopic cylinders 5 are fixedly embedded at two sides of the rotary roller frame 4, the end parts of the first telescopic cylinders 5 extend into the rotary roller frame 4, movable frames 6 are symmetrically arranged in the rotary roller frame 4, straightening rollers 7 are symmetrically erected at one side, close to the center of the rotary roller frame 4, of the movable frames 6, a limiting rectangular plate 8 is symmetrically arranged at one side, far away from the straightening rollers 7, of the limiting rectangular plate 8 extends to penetrate through the side wall of the rotary roller frame 4 at the same side, a control assembly is arranged at the outer side of the rotary roller frame 4, the control assembly comprises a controller 9 and a power module 10, the two sides of the rotary roller frame 4 are respectively provided with a controller 9, one side of the controller 9 is fixedly provided with a power module 10, the power module 10 and a driving end 12 is fixedly connected with the power module 10 and the controller 9, one side of the power module 11 is electrically connected with the first telescopic roller frame 4, a reduction gear 11 is fixedly connected with one end of a driving end 13 of a reduction gear 11, and the driving end 13 is fixedly connected with a driving end 12 of the driving gear 11 and a reduction gear 11. The driving gear 12 with the shaft is fixedly arranged at the bottom of the fixed vertical plate 3, and the driving gear 12 with the shaft is meshed with the driven gear 11;

When the seamless steel tube is straightened, the seamless steel tube is fixed at the symmetrical center part of each straightening roller 7 through a conveying device and a fixing device which are matched in the straightening process, the power module 10 and the controller 9 control the first telescopic cylinder 5 to extend, the first telescopic cylinder 5 extends to push the movable frame 6 and the straightening rollers 7 to be close to each other until the surfaces of the straightening rollers 7 and the surfaces of the seamless steel tube are in abutting contact, then the external control part controls the driving motor 14 to operate, the driving motor 14 operates to drive the driving gear 12 with a shaft to rotate, the driving gear 12 with a shaft rotates and the driven gear 11 is meshed, so that the rotary rolling frame 4 is driven to rotate, each straightening roller 7 rotates around the seamless steel tube, the seamless steel tube is comprehensively extruded and straightened, and the driving motor 14 can be a positive motor and a negative motor;

The top surface of the straightening underframe 1 is symmetrically provided with a second telescopic cylinder 15, the top end of the second telescopic cylinder 15 is fixedly provided with a support frame 16, the bottom surface of the support frame 16 is symmetrically provided with a guide rod 17, the guide rod 17 extends to penetrate through the straightening underframe 1, the support frame 16 is integrally formed by a transverse plate, an inclined plate, supporting blocks and supporting rollers 18, the inclined plate is symmetrically arranged at the top of the transverse plate, the supporting blocks are symmetrically arranged on the side surfaces of the inclined plate, the supporting rollers 18 are fixedly arranged between the corresponding supporting blocks, the bottom end of the straightening underframe 1 is provided with supporting legs 2, and the supporting legs 2 are symmetrically distributed in pairs;

before placing the seamless steel tube, firstly determining the center position of the seamless steel tube according to the specification of the seamless steel tube, and simultaneously controlling the second telescopic cylinder 15 to drive the supporting frame 16 to move up and down by matching with the original matched conveying device and fixing device until the center position of the seamless steel tube corresponds to the symmetrical center position of the rotating roller frame 4, and pushing the seamless steel tube to move until the seamless steel tube stretches into the rotating roller frame 4.

When the embodiment of the application is used, the following steps are adopted:

Firstly, the center position of the seamless steel tube is determined according to the specification of the seamless steel tube, meanwhile, the second telescopic cylinder 15 is controlled to drive the supporting frame 16 to move up and down in cooperation with the original matched conveying device and fixing device until the center position of the seamless steel tube corresponds to the symmetrical center position of the rotating rolling frame 4, the seamless steel tube is pushed to move until the seamless steel tube stretches into the rotating rolling frame 4 and is fixed, the seamless steel tube is fixed at the symmetrical center position of each straightening roller 7 through the conveying device and the fixing device matched in the straightening processing, the first telescopic cylinder 5 is controlled to stretch through the power module 10 and the controller 9, the first telescopic cylinder 5 is used for pushing the moving frame 6 and the straightening rollers 7 to be close to each other until the surfaces of the straightening rollers 7 are in abutting contact with the surfaces of the seamless steel tube, the driving motor 14 is controlled to operate through the external control part, the driving motor 14 is operated to drive the driving gear 12 with a shaft to rotate, the driving gear 12 with the driven gear 11 to be meshed, and accordingly the rotating rolling frame 4 is driven to rotate, the straightening rollers 7 are enabled to rotate around the seamless steel tube, and the straightening rollers are comprehensively extruded and straightened, and the operation is repeated.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. A straightening device for seamless steel pipe production comprises a straightening underframe (1), and is characterized in that fixed risers (3) are symmetrically arranged at the upper end of the straightening underframe (1), a rotary rolling frame (4) is erected between the fixed risers (3), first telescopic cylinders (5) are fixedly embedded in two sides of the rotary rolling frame (4), the end parts of the first telescopic cylinders (5) extend into the rotary rolling frame (4), movable frames (6) are symmetrically arranged in the rotary rolling frame (4), straightening rollers (7) are symmetrically erected on one side, close to the centers of the rotary rolling frame (4), of the movable frames (6), limiting rectangular plates (8) are symmetrically arranged on one side, far away from the straightening rollers (7), of the movable frames (6), extend to penetrate through the side wall of the rotary rolling frame (4) on the same side, control components are arranged on the outer side of the rotary rolling frame (4), driven gears (11) are fixedly arranged at one ends of the rotary rolling frame, fixed with driven gears (3), a fixed motor (12) on the same side of the driven gears (11), a reducer (13) are connected with one end of the reducer (13), and the reducer (13) is fixedly connected with one end of the reducer (13).

2. The straightening device for seamless steel pipe production according to claim 1, wherein the control assembly comprises a controller (9) and a power module (10), the controller (9) is arranged on two sides of the rotary rolling frame (4), the power module (10) is fixedly arranged on one side of the controller (9), and the power module (10) is electrically connected with the controller (9) and the first telescopic cylinder (5).

3. The straightening device for seamless steel pipe production according to claim 1, wherein the driving gear (12) with the shaft is fixedly arranged at the bottom of the fixed vertical plate (3), and the driving gear (12) with the shaft is meshed with the driven gear (11).

4. The straightening device for seamless steel pipe production according to claim 1, wherein the top surface of the straightening underframe (1) is symmetrically provided with a second telescopic cylinder (15), the top end of the second telescopic cylinder (15) is fixedly provided with a supporting frame (16), the bottom surface of the supporting frame (16) is symmetrically provided with a guide rod (17), and the guide rod (17) extends to penetrate through the straightening underframe (1).

5. The straightening device for seamless steel pipe production according to claim 4, wherein the supporting frame (16) is integrally composed of a transverse plate, an inclined plate, supporting blocks and supporting rollers (18), the inclined plate is symmetrically arranged at the top of the transverse plate, the supporting blocks are symmetrically arranged on the side surfaces of the inclined plate, and the supporting rollers (18) are fixedly arranged between the supporting blocks and the corresponding supporting blocks.

6. The straightening device for seamless steel pipe production according to claim 1, wherein the bottom end of the straightening underframe (1) is provided with supporting legs (2), and the supporting legs (2) are symmetrically distributed in pairs.