CN221473075U - Straightening machine for thin-wall cold-rolled steel pipe - Google Patents

Abstract

The utility model relates to the technical field of steel tube straightening, in particular to a thin-wall cold-rolled steel tube straightening machine which can straighten steel tubes with different diameters, and has the advantages of convenient use, low limitation and high practicability; the device comprises a bottom plate and a bracket, wherein the bracket is fixedly arranged at the upper end of the bottom plate; the steel tube straightening machine further comprises a plurality of groups of vertical straightening rollers A, a plurality of groups of support plates, a plurality of groups of vertical straightening rollers B, a plurality of groups of lifting mechanisms, a driving mechanism and a plurality of groups of horizontal straightening mechanisms, wherein the plurality of groups of vertical straightening rollers A are respectively and rotatably arranged on the plurality of groups of vertical straightening rollers A, the plurality of groups of support plates are fixedly arranged on the support, the plurality of groups of vertical straightening rollers B are respectively and rotatably arranged on the plurality of groups of lifting mechanisms, the plurality of groups of vertical straightening rollers B are respectively positioned above the plurality of groups of vertical straightening rollers A, the lifting mechanisms are used for lifting the vertical straightening rollers B, the driving mechanism is arranged on the support plates and used for driving the steel tubes to move, and the plurality of groups of horizontal straightening mechanisms are respectively arranged on the support.

Description

Straightening machine for thin-wall cold-rolled steel pipe

Technical Field

The utility model relates to the technical field of steel tube straightening, in particular to a straightening machine for a thin-wall cold-rolled steel tube.

Background

The thin-wall cold-rolled steel pipe is a seamless steel pipe produced by a cold rolling mode, and has wide application in a plurality of fields such as machinery, mines, chemical industry, electric power, agricultural machinery and the like. Cold rolled steel pipes may be bent or distorted in shape due to various reasons during the production process. So that the seamless steel pipe after cold rolling production is straightened by a straightener.

In the prior art, the utility model patent with the patent application number 202220252841.1 discloses a thin-wall cold-rolled steel pipe straightener, which mainly comprises a bracket, transverse straightening wheels and vertical straightening wheels, wherein the two groups of transverse straightening wheels are respectively arranged on the front side and the rear side of the bracket, and the two groups of vertical straightening wheels are respectively arranged on the upper side and the lower side of the bracket; when the steel pipe is straightened, when the steel pipe passes through a gap between the two groups of vertical straightening wheels and the two groups of horizontal straightening wheels, the steel pipe is straightened by extruding the steel pipe through the two groups of vertical straightening wheels and the two groups of horizontal straightening wheels; it finds in the use, because the clearance between two sets of horizontal straightening wheels and two sets of vertical straightening wheels among the above-mentioned prior art is all not adjustable, so it can not straighten the steel pipe of different diameters, leads to its use limitation height, uses inconvenient, and the practicality is poor.

Disclosure of utility model

In order to solve the technical problems, the utility model provides the thin-wall cold-rolled steel tube straightening machine which can straighten steel tubes with different diameters, is convenient to use, has low limitation and high practicability.

The utility model relates to a straightening machine for a thin-wall cold-rolled steel pipe, which comprises a bottom plate and a bracket, wherein the bracket is fixedly arranged at the upper end of the bottom plate; the steel tube straightening machine further comprises a plurality of groups of vertical straightening rollers A, a plurality of groups of support plates, a plurality of groups of vertical straightening rollers B, a plurality of groups of lifting mechanisms, a driving mechanism and a plurality of groups of horizontal straightening mechanisms, wherein the plurality of groups of vertical straightening rollers A are respectively and rotatably arranged on the plurality of groups of vertical straightening rollers A, the plurality of groups of support plates are fixedly arranged on the support, the plurality of groups of vertical straightening rollers B are respectively and rotatably arranged on the plurality of groups of lifting mechanisms, the plurality of groups of vertical straightening rollers B are respectively positioned above the plurality of groups of vertical straightening rollers A, the lifting mechanisms are used for lifting the vertical straightening rollers B, the driving mechanism is arranged on the support plates, the driving mechanism is used for driving the steel tube to move, the plurality of groups of horizontal straightening mechanisms are respectively arranged on the support, and the horizontal straightening mechanisms are used for straightening the steel tube in the horizontal direction; when the steel tube is straightened, firstly, the steel tube is placed on a vertical straightening roller A, then a plurality of groups of vertical straightening rollers B are lowered through a lifting mechanism until the vertical straightening rollers B are contacted with the upper end of the steel tube, then the steel tube is moved from right to left through a driving mechanism, when the steel tube passes through a gap between the vertical straightening rollers B and the vertical straightening rollers A, the steel tube is straightened in the vertical direction by the vertical straightening rollers B and the vertical straightening rollers A, and meanwhile, the steel tube is straightened in the horizontal direction through a horizontal straightening mechanism; because the distance between the vertical straightening roller B and the vertical straightening roller A can be adjusted, the steel pipes with different diameters can be straightened, and the device is convenient to use, low in limitation and high in practicability.

Preferably, the lifting mechanism comprises a supporting frame, a hydraulic cylinder, a sliding rod, a push rod, a lifting plate and a fixed plate, wherein the supporting frame is fixedly arranged on the bottom plate, the hydraulic cylinder is fixedly arranged at the upper end of the supporting frame, the sliding rod and the push rod are both arranged at the upper part of the supporting frame in a sliding way up and down, the lifting plate is fixedly arranged at the lower ends of the sliding rod and the push rod, the upper end of the push rod is connected with the output end of the hydraulic cylinder, the fixed plate is fixedly arranged at the lower end of the lifting plate, and the vertical straightening roller B is rotatably arranged on the fixed plate; when the steel pipe is straightened, a hydraulic cylinder is opened, the hydraulic cylinder enables a lifting plate to descend through a push rod, the lifting plate enables a vertical straightening roller B to descend through a fixed plate until the vertical straightening roller B contacts with the upper end of the steel pipe, and then when the steel pipe moves from right to left, the steel pipe is straightened in the vertical direction by the vertical straightening roller B and the vertical straightening roller A; the height of the vertical straightening roller B can be adjusted, so that the vertical straightening roller B can be suitable for steel pipes with different diameters, is convenient to use and has low limitation.

Preferably, the horizontal straightening mechanism comprises two groups of horizontal straightening rollers, a supporting plate, a motor mounting plate, a servo motor, a screw rod, two groups of sliding blocks and a sliding rail, wherein the supporting plate is fixedly arranged on a bracket, the motor mounting plate is fixedly arranged on the supporting plate, the servo motor is fixedly arranged on the motor mounting plate, the screw rod is rotatably arranged on the motor mounting plate, the front end of the screw rod is connected with the output end of the servo motor, the front part and the rear part of the screw rod are respectively provided with external threads with opposite rotation directions, the two groups of sliding blocks are respectively screwed with the front part and the rear part of the screw rod, the two groups of sliding blocks are respectively slidably arranged on the sliding rail in the front-rear direction, the sliding rail is fixedly arranged on the supporting plate, and the two groups of screw rods are respectively rotatably arranged on the two groups of sliding blocks; when the steel pipe is straightened, when the steel pipe passes between the two groups of horizontal straightening rollers at the front side and the rear side, a servo motor is started, the servo motor drives a screw rod to rotate, the two groups of horizontal straightening rollers are mutually close by the rotating screw rod through the two groups of sliding blocks until the two groups of horizontal straightening rollers respectively contact with the front side and the rear side of the steel pipe, and when the steel pipe passes through the two groups of horizontal straightening rollers, the steel pipe is straightened by the two groups of horizontal straightening rollers in the horizontal direction; the straightening device is convenient for straightening the steel pipes, and because the distance between the two groups of horizontal straightening rollers can be adjusted, the straightening device can straighten the steel pipes with different diameters, and is convenient to use and low in limitation.

Preferably, the driving mechanism comprises two groups of driving chain wheels, a chain and a driving motor, wherein the two groups of driving chain wheels are respectively and fixedly arranged on the vertical straightening rollers A on the left side and the right side, the two groups of driving chain wheels are connected through chain transmission, the driving motor is fixedly arranged on the support plate, and the driving motor is connected with the vertical straightening rollers A on the right side; when the steel pipe is placed on the vertical straightening roller A, a driving motor is started, the driving motor drives the right vertical straightening roller A to rotate, the right vertical straightening roller A drives a left driving chain wheel to rotate through a right driving chain wheel, and then the left vertical straightening roller A is driven to rotate, and the rotating vertical straightening roller A drives the steel pipe to move from right to left; the steel pipe can be conveniently moved.

Preferably, the device also comprises a supporting frame and a plurality of groups of supporting rollers, wherein the supporting frame is fixedly arranged on the bottom plate, and the plurality of groups of supporting rollers are rotatably arranged on the supporting frame; after the steel pipe is straightened, the steel pipe moves leftwards on a plurality of groups of vertical straightening rollers A to a plurality of groups of supporting rollers for supporting; the steel pipe is convenient to collect.

Preferably, the plurality of groups of support frames are provided with illumination lamps; through the arrangement, the upper part of the bracket is brighter, and the observation of the straightening state of the steel pipe is facilitated.

Preferably, rubber pads are arranged on the surfaces of the plurality of groups of supporting rollers; through the arrangement, the steel pipe is prevented from being scratched by the plurality of groups of supporting rollers, and the reliability in the use process is improved.

Compared with the prior art, the utility model has the beneficial effects that: the straightening machine can straighten steel pipes with different diameters, is convenient to use, low in limitation and high in practicability.

Drawings

FIG. 1 is a schematic view of a first axial structure of the present utility model;

FIG. 2 is a schematic view of a second axial structure of the present utility model;

FIG. 3 is a schematic view of the structure of the lifting mechanism and the vertical straightening roll B, etc.;

FIG. 4 is a schematic view of the structure of the horizontal straightening mechanism;

fig. 5 is a schematic structural view of the base plate, the bracket, the driving motor, and the like.

The reference numerals in the drawings: 1. a bottom plate; 2. a bracket; 3. a vertical straightening roller A; 4. a support plate; 5. a vertical straightening roller B; 6. a horizontal straightening roller; 7. a support frame; 8. a hydraulic cylinder; 9. a slide bar; 10. a push rod; 11. a lifting plate; 12. a fixing plate; 13. a support plate; 14. a motor mounting plate; 15. a servo motor; 16. a screw rod; 17. a sliding block; 18. a sliding rail; 19. a drive sprocket; 20. a chain; 21. a support frame; 22. a support roller; 23. a steel pipe; 24. and driving the motor.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 1 to 5, the thin-wall cold-rolled steel tube straightener of the utility model comprises a bottom plate 1, a bracket 2, a plurality of groups of vertical straightening rollers A3, a plurality of groups of support plates 4, a plurality of groups of vertical straightening rollers B5, a plurality of groups of lifting mechanisms, a driving mechanism and a plurality of groups of horizontal straightening mechanisms, wherein the bracket 2 is fixedly arranged at the upper end of the bottom plate 1, the plurality of groups of vertical straightening rollers A3 are respectively rotatably arranged on the plurality of groups of vertical straightening rollers A3, the plurality of groups of support plates 4 are fixedly arranged on the bracket 2, the plurality of groups of vertical straightening rollers B5 are respectively rotatably arranged on the plurality of groups of lifting mechanisms, the plurality of groups of vertical straightening rollers B5 are respectively positioned above the plurality of groups of vertical straightening rollers A3, the lifting mechanisms are used for lifting the vertical straightening rollers B5, the driving mechanism is arranged on the support plates 4, the plurality of groups of horizontal straightening mechanisms are respectively arranged on the bracket 2, and the horizontal straightening mechanisms are used for straightening the steel tube in the horizontal direction; when straightening the steel pipe, firstly placing the steel pipe 23 on a vertical straightening roller A3, then descending a plurality of groups of vertical straightening rollers B5 by a lifting mechanism until the vertical straightening rollers B5 are in contact with the upper end of the steel pipe 23, then moving the steel pipe 23 from right to left by a driving mechanism, and straightening the steel pipe in the vertical direction by the vertical straightening rollers B5 and the vertical straightening roller A3 when the steel pipe 23 passes through a gap between the vertical straightening rollers B5 and the vertical straightening roller A3, and simultaneously straightening the steel pipe 23 in the horizontal direction by a horizontal straightening mechanism; because the distance between the vertical straightening roller B5 and the vertical straightening roller A3 can be adjusted, the steel pipes 23 with different diameters can be straightened, and the device is convenient to use, low in limitation and high in practicability.

As shown in fig. 1 and 3, the lifting mechanism comprises a supporting frame 7, a hydraulic cylinder 8, a sliding rod 9, a push rod 10, a lifting plate 11 and a fixed plate 12, wherein the supporting frame 7 is fixedly arranged on a bottom plate 1, the hydraulic cylinder 8 is fixedly arranged at the upper end of the supporting frame 7, the sliding rod 9 and the push rod 10 are both vertically and slidably arranged at the upper part of the supporting frame 7, the lifting plate 11 is fixedly arranged at the lower ends of the sliding rod 9 and the push rod 10, the upper end of the push rod 10 is connected with the output end of the hydraulic cylinder 8, the fixed plate 12 is fixedly arranged at the lower end of the lifting plate 11, and a vertical straightening roller B5 is rotatably arranged on the fixed plate 12; when the steel pipe 23 is straightened, the hydraulic cylinder 8 is opened, the hydraulic cylinder 8 enables the lifting plate 11 to descend through the push rod 10, the lifting plate 11 enables the vertical straightening roller B5 to descend through the fixed plate 12 until the vertical straightening roller B5 contacts with the upper end of the steel pipe 23, and then when the steel pipe 23 moves from right to left, the steel pipe 23 is straightened in the vertical direction by the vertical straightening roller B5 and the vertical straightening roller A3; the height of the vertical straightening roller B5 can be adjusted, so that the vertical straightening roller B can be suitable for steel pipes 23 with different diameters, and is convenient to use and low in limitation.

As shown in fig. 4 and 5, the horizontal straightening mechanism comprises two groups of horizontal straightening rollers 6, a supporting plate 13, a motor mounting plate 14, a servo motor 15, a screw rod 16, two groups of sliding blocks 17 and a sliding rail 18, wherein the supporting plate 13 is fixedly arranged on a bracket 2, the motor mounting plate 14 is fixedly arranged on the supporting plate 13, the servo motor 15 is fixedly arranged on the motor mounting plate 14, the screw rod 16 is rotatably arranged on the motor mounting plate 14, the front end of the screw rod 16 is connected with the output end of the servo motor 15, the front part and the rear part of the screw rod 16 are respectively provided with external threads with opposite rotation directions, the two groups of sliding blocks 17 are respectively screwed with the front part and the rear part of the screw rod 16, the two groups of sliding blocks 17 are respectively and slidably arranged on the sliding rail 18 forwards and backwards, the sliding rail 18 is fixedly arranged on the supporting plate 13, and the two groups of screw rods 16 are respectively rotatably arranged on the two groups of sliding blocks 17; when the steel pipe 23 is straightened, when the steel pipe 23 passes between the two groups of horizontal straightening rollers 6 on the front side and the rear side, the servo motor 15 is turned on, the servo motor 15 drives the screw rod 16 to rotate, the rotating screw rod 16 enables the two groups of horizontal straightening rollers 6 to be mutually close through the two groups of sliding blocks 17 until the two groups of horizontal straightening rollers 6 respectively contact with the front side and the rear side of the steel pipe 23, and when the steel pipe 23 passes through the two groups of horizontal straightening rollers 6, the steel pipe 23 is straightened by the two groups of horizontal straightening rollers 6 in the horizontal direction; the straightening of the steel pipes 23 is convenient, and as the distance between the two groups of horizontal straightening rollers 6 can be adjusted, the steel pipes 23 with different diameters can be straightened, the use is convenient, and the limitation is low.

As shown in fig. 5, the driving mechanism comprises two groups of driving chain wheels 19, a chain 20 and a driving motor 24, wherein the two groups of driving chain wheels 19 are respectively and fixedly arranged on the vertical straightening rollers A3 on the left side and the right side, the two groups of driving chain wheels 19 are in transmission connection through the chain 20, the driving motor 24 is fixedly arranged on the support plate 4, and the driving motor 24 is connected with the vertical straightening rollers A3 on the right side; when the steel pipe 23 is placed on the vertical straightening roller A3, a driving motor 24 is turned on, the driving motor 24 drives the right vertical straightening roller A3 to rotate, the right vertical straightening roller A3 drives the left driving chain wheel 19 to rotate through the right driving chain wheel 19, and then the left vertical straightening roller A3 is driven to rotate, and the rotating vertical straightening roller A3 drives the steel pipe 23 to move from right to left; the movement of the steel pipe 23 is facilitated.

As shown in fig. 1, a supporting frame 21 is fixedly arranged on a bottom plate 1, a plurality of groups of supporting rollers 22 are rotatably arranged on the supporting frame 21, and rubber pads are arranged on the surfaces of the plurality of groups of supporting rollers 22; when the steel pipe 23 is straightened, the steel pipe 23 moves leftwards on a plurality of groups of vertical straightening rollers A3 and is supported on a plurality of groups of supporting rollers 22; the collection of the steel pipes 23 is facilitated.

Example 2

Based on embodiment 1, the hydraulic cylinder 8 and the push rod 10 can be replaced by an electric push rod, the electric push rod is fixedly arranged on the upper part of the supporting frame 7, the lifting plate 11 is fixedly arranged at the moving end of the lower part of the electric push rod, and the height of the lifting plate 11 can be adjusted through the electric push rod.

The hydraulic cylinder 8, the servo motor 15, the sliding rail 18, the chain 20 and the driving motor 24 of the thin-wall cold-rolled steel tube straightener are all purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (7)

1. A straightening machine for a thin-wall cold-rolled steel pipe comprises a bottom plate (1) and a bracket (2), wherein the bracket (2) is fixedly arranged at the upper end of the bottom plate (1); the steel tube straightening machine is characterized by further comprising a plurality of groups of vertical straightening rollers A (3), a plurality of groups of support plates (4), a plurality of groups of vertical straightening rollers B (5), a plurality of groups of lifting mechanisms, a driving mechanism and a plurality of groups of horizontal straightening mechanisms, wherein the plurality of groups of vertical straightening rollers A (3) are respectively and rotatably arranged on the plurality of groups of vertical straightening rollers A (3), the plurality of groups of support plates (4) are fixedly arranged on the support frame (2), the plurality of groups of vertical straightening rollers B (5) are respectively and rotatably arranged on the plurality of groups of lifting mechanisms, the plurality of groups of vertical straightening rollers B (5) are respectively positioned above the plurality of groups of vertical straightening rollers A (3), the lifting mechanisms are used for lifting the vertical straightening rollers B (5), the driving mechanism is arranged on the support plates (4), the driving mechanism is used for driving the steel tube to move, the plurality of groups of horizontal straightening mechanisms are respectively arranged on the support frame (2), and the horizontal straightening mechanisms are used for straightening the steel tube in the horizontal direction.

2. The thin-wall cold-rolled steel pipe straightener as claimed in claim 1, characterized in that the lifting mechanism comprises a supporting frame (7), a hydraulic cylinder (8), a sliding rod (9), a push rod (10), a lifting plate (11) and a fixing plate (12), wherein the supporting frame (7) is fixedly arranged on the bottom plate (1), the hydraulic cylinder (8) is fixedly arranged at the upper end of the supporting frame (7), the sliding rod (9) and the push rod (10) are both arranged on the upper part of the supporting frame (7) in a sliding manner, the lifting plate (11) is fixedly arranged at the lower ends of the sliding rod (9) and the push rod (10), the upper end of the push rod (10) is connected with the output end of the hydraulic cylinder (8), the fixing plate (12) is fixedly arranged at the lower end of the lifting plate (11), and the vertical straightening roller B (5) is rotatably arranged on the fixing plate (12).

3. The thin-wall cold-rolled steel pipe straightener of claim 1, characterized in that the horizontal straightening mechanism comprises two groups of horizontal straightening rollers (6), a supporting plate (13), a motor mounting plate (14), a servo motor (15), a lead screw (16), two groups of sliding blocks (17) and a sliding rail (18), the supporting plate (13) is fixedly mounted on a support (2), the motor mounting plate (14) is fixedly mounted on the supporting plate (13), the servo motor (15) is fixedly mounted on the motor mounting plate (14), the lead screw (16) is rotatably mounted on the motor mounting plate (14), the front end of the lead screw (16) is connected with the output end of the servo motor (15), the front part and the rear part of the lead screw (16) are respectively provided with external threads with opposite rotation directions, the two groups of sliding blocks (17) are respectively screwed with the front part and the rear part of the lead screw (16), the two groups of sliding blocks (17) are respectively screwed on the sliding rail (18), the sliding rail (18) is fixedly mounted on the supporting plate (13), and the two groups of lead screws (16) are respectively rotatably mounted on the two groups of sliding blocks (17).

4. The thin-wall cold-rolled steel pipe straightener according to claim 1, characterized in that the driving mechanism comprises two groups of driving chain wheels (19), a chain (20) and a driving motor (24), the two groups of driving chain wheels (19) are respectively and fixedly arranged on the vertical straightening rollers A (3) on the left side and the right side, the two groups of driving chain wheels (19) are in transmission connection through the chain (20), the driving motor (24) is fixedly arranged on the support plate (4), and the driving motor (24) is connected with the vertical straightening rollers A (3) on the right side.

5. The thin-walled cold rolled steel pipe straightener of claim 1, characterized in that it further comprises a supporting frame (21) and a plurality of groups of supporting rollers (22), wherein the supporting frame (21) is fixedly installed on the bottom plate (1), and the plurality of groups of supporting rollers (22) are rotatably installed on the supporting frame (21).

6. The thin-wall cold-rolled steel pipe straightener of claim 2, characterized in that the plurality of groups of support frames (7) are provided with illuminating lamps.

7. The thin-walled cold rolled steel pipe straightener of claim 5, characterized in that the surfaces of the sets of support rolls (22) are provided with rubber pads.