Steel pipe straightening device

Abstract

The utility model discloses a steel pipe straightening device which comprises a front-back straightening mechanism and an up-down straightening mechanism of a bottom plate, and the left side and the right side of the top of the bottom plate are provided with the front-back straightening mechanism and the up-down straightening mechanism respectively. The front-back straightening mechanism comprises a fixed plate, a first rotating shaft, a first movable plate, a first groove, a second rotating shaft, a first straightening roller, a first servo motor, a first chain wheel mechanism and a first rotating motor, the first movable plate is arranged on the outer side of the first rotating shaft, and the first groove is formed in the top of one side of the first movable plate. Two first movable plates can move close to each other or move away from each other, so that two groups of first straightening rollers in the two first movable plates can move close to each other to clamp a steel pipe front and back, and the positions of the two groups of first straightening rollers can be quickly adjusted; and the position of the first straightening roller does not need to be singly adjusted, so that the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe straightening, in particular to a steel pipe straightening device. Background Art

[0002] When steel pipes are recycled, some of them are bent and need to be straightened with a steel pipe straightening device before they can be reused.

[0003] For example, a seamless steel pipe straightening device with the authorization publication number CN218424908U includes a straightening mechanism and a support frame, a working chassis is welded to the upper end of the support frame, a positioning mechanism is threadedly connected to the left end of the top surface of the support frame, a seamless steel pipe is inserted into the straightening mechanism, and the support frame is installed on the bottom surface of the straightening mechanism. The seamless steel pipe straightening device, the threaded bolts and the polygonal clamping blocks facilitate the removal and replacement of the fixed blocks, and can be removed in a small amount of time, making the removal of the fixed blocks faster and more convenient, thereby reducing the workload of the staff, and rotating the threaded rod allows the rolling device to fix a pair of seamless steel pipes, so that seamless steel pipes of different specifications can be fixed, and at the same time, the scope of application of the straightened seamless steel pipe can be increased, and the seamless steel pipe can be moved conveniently, thereby increasing the use time of the device.

[0004] The above-mentioned authorized patent has the following problems:

[0005] When straightening steel pipes of different diameters, the distance between two adjacent straightening rollers needs to be adjusted one by one. In order to ensure the straightening effect of the steel pipe, multiple straightening rollers need to be used, which makes the adjustment time-consuming and labor-intensive, and is not conducive to the efficient straightening of the steel pipe.

[0006] In view of the above problems, an innovative design was carried out based on the original steel pipe straightening device. Utility Model Content

[0007] The utility model aims to provide a steel pipe straightening device, which can adjust two groups of adjacent straightening rollers at the same time without adjusting the positions of the straightening rollers one by one, thereby improving work efficiency.

[0008] The utility model is realized by the following technical solutions:

[0009] A steel pipe straightening device comprises a front and rear straightening mechanism and an upper and lower straightening mechanism of a bottom plate, wherein the front and rear straightening mechanism and the upper and lower straightening mechanism are respectively arranged on the left and right sides of the top of the bottom plate, wherein the front and rear straightening mechanism comprises a fixed plate, a first rotating shaft, a first movable plate, a first groove, a second rotating shaft, a first straightening roller, a first servo motor, a first sprocket mechanism and a first rotating motor, wherein the fixed plates are fixed at the front and rear edges of the left front and rear edges of the top of the bottom plate, the first rotating shaft is horizontally installed between the fixed plates, the first movable plate is arranged on the outside of the first rotating shaft, the first groove is opened at the top of one side of the first movable plate, the second rotating shaft is vertically installed inside the first groove, the first straightening roller is fixed on the outer wall of the second rotating shaft, the top of the second rotating shaft passes through the top of the first movable plate and the first rotating motor is fixed thereto, the first rotating motor is fixedly installed on the top of the first movable plate, the end of the first rotating shaft passes through the inside of the fixed plate and the first servo motor is fixed thereto, the first servo motor is fixedly installed on one side of the fixed plate, and the ends of the two first rotating shafts form a transmission structure through the first sprocket mechanism.

[0010] The invention further comprises: the upper and lower straightening mechanisms comprise a fixed frame, a third rotating shaft, a second movable plate, a second groove, a fourth rotating shaft, a second straightening roller, a second rotating motor, a second sprocket mechanism and a second servo motor; a fixed frame is fixed to one side of the top of the bottom plate; a third rotating shaft is vertically rotatably installed inside the fixed frame; a second movable plate is arranged on the outer side of the third rotating shaft; a second groove is provided on the adjacent surface of the second movable plate; a fourth rotating shaft is installed inside the second groove; a second straightening roller is fixed to the outer side of the fourth rotating shaft; an end of the fourth rotating shaft passes through the second movable plate and a second rotating motor is fixed therein; the second rotating motor is fixedly installed on the outer wall of the second movable plate; a transmission structure is formed by a second sprocket mechanism between the upper ends of the two third rotating shafts; the second sprocket mechanism is located above the fixed frame; a second servo motor is fixedly installed on the upper end of the third rotating shaft; and the second servo motor is fixedly installed on the top of the fixed frame.

[0011] It is further configured that opposite threads are provided at both ends of the first rotating shaft between the fixed plates, two first rotating shafts are provided, the first rotating shafts are threadedly connected to the first movable plate, and two first movable plates are symmetrically distributed about the central axis of the bottom plate.

[0012] It is further configured that: the first straightening rollers are distributed at equal intervals inside the first groove.

[0013] It is further configured that: four third rotating shafts are provided, and opposite threads are provided at both ends of the third rotating shaft located inside the fixed frame, and the third rotating shaft and the second movable plate are threadedly connected, and two second movable plates are symmetrically distributed about the central axis of the fixed frame.

[0014] It is further configured that: the second straightening rollers are distributed at equal intervals inside the second groove.

[0015] In summary, the beneficial technical effects of the utility model are:

[0016] By starting the first servo motor, the two first movable plates can be made to move towards or away from each other, and then the two groups of first straightening rollers inside the two first movable plates can be made to move towards each other, thereby clamping the steel pipe front and back. This allows the positions of the two groups of first straightening rollers to be quickly adjusted without the need to adjust the position of a single first straightening roller, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model from top view;

[0018] Figure 2 This is a schematic diagram of the installation structure of the first movable plate of the utility model from a side view;

[0019] Figure 3 This is a schematic diagram of the installation structure of the second movable plate of the utility model from a side view;

[0020] Figure 4 It is a schematic diagram of the installation structure of the second sprocket mechanism of the utility model when viewed from above.

[0021] Figure markings: 1. base plate; 2. front and rear straightening mechanism; 21. fixed plate; 22. first rotating shaft; 23. first movable plate; 24. first groove; 25. second rotating shaft; 26. first straightening roller; 27. first servo motor; 28. first sprocket mechanism; 29. ​​first rotating motor; 3. upper and lower straightening mechanism; 31. fixed frame; 32. third rotating shaft; 33. second movable plate; 34. second groove; 35. fourth rotating shaft; 36. second straightening roller; 37. second rotating motor; 38. second sprocket mechanism; 39. second servo motor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] Reference Figure 1-4, is a steel pipe straightening device disclosed in the utility model, comprising a front and rear straightening mechanism 2 and an upper and lower straightening mechanism 3 of a bottom plate 1, the front and rear straightening mechanism 2 and the upper and lower straightening mechanism 3 are respectively arranged on the left and right sides of the top of the bottom plate 1, the front and rear straightening mechanism 2 comprises a fixed plate 21, a first rotating shaft 22, a first movable plate 23, a first groove 24, a second rotating shaft 25, a first straightening roller 26, a first servo motor 27, a first sprocket mechanism 28 and a first rotating motor 29, the front and rear edges of the top left side of the bottom plate 1 are fixed with fixed plates 21, the first rotating shaft 22 is horizontally installed between the fixed plates 21, and the outer side of the first rotating shaft 22 is provided with a first movable Plate 23, a first groove 24 is opened at the top of one side of the first movable plate 23, a second rotating shaft 25 is installed in the vertical direction inside the first groove 24, a first straightening roller 26 is fixed to the outer wall of the second rotating shaft 25, the top of the second rotating shaft 25 passes through the top of the first movable plate 23 and a first rotating motor 29 is fixed thereon, the first rotating motor 29 is fixedly installed on the top of the first movable plate 23, the end of the first rotating shaft 22 passes through the inside of the fixed plate 21 and a first servo motor 27 is fixed thereon, the first servo motor 27 is fixedly installed on one side of the fixed plate 21, and a transmission structure is formed between the ends of the two first rotating shafts 22 through a first sprocket mechanism 28.

[0024] The upper and lower straightening mechanism 3 includes a fixed frame 31, a third rotating shaft 32, a second movable plate 33, a second groove 34, a fourth rotating shaft 35, a second straightening roller 36, a second rotating motor 37, a second sprocket mechanism 38 and a second servo motor 39. The fixed frame 31 is fixed to one side of the top of the bottom plate 1, and the third rotating shaft 32 is installed vertically inside the fixed frame 31. The second movable plate 33 is arranged on the outer side of the third rotating shaft 32. The second groove 34 is opened on the adjacent surface of the second movable plate 33. The second groove 34 is installed inside the second sprocket mechanism 38. There are four rotating shafts 35, and a second straightening roller 36 is fixed to the outer side of the fourth rotating shaft 35. The end of the fourth rotating shaft 35 passes through the second movable plate 33 and is fixed with a second rotating motor 37. The second rotating motor 37 is fixedly installed on the outer wall of the second movable plate 33. A transmission structure is formed between the upper ends of the two third rotating shafts 32 through a second sprocket mechanism 38. The second sprocket mechanism 38 is located above the fixed frame 31. A second servo motor 39 is fixed to the upper end of the third rotating shaft 32. The second servo motor 39 is fixedly installed on the top of the fixed frame 31.

[0025] The first rotating shaft 22 is located between the fixed plate 21 and has opposite threads at both ends. There are two first rotating shafts 22, and the first rotating shaft 22 is threadedly connected to the first movable plate 23. There are two first movable plates 23 symmetrically distributed about the central axis of the base plate 1. The first straightening rollers 26 are evenly spaced inside the first groove 24 and are arranged as one group. The first straightening rollers 26 evenly spaced inside the other first groove 24 are arranged as another group. By starting the first servo motor 27 and then cooperating with the first sprocket mechanism 28, the two first rotating shafts 22 can be driven to rotate simultaneously, so that the two first movable plates 23 can move towards or away from each other, thereby making the two groups of first straightening rollers 26 move towards or away from each other, so that steel pipes of different diameters can be clamped and the position between the two groups of first straightening rollers 26 can be adjusted conveniently.

[0026] There are four third rotating shafts 32, and opposite threads are provided at both ends of the third rotating shafts 32 located inside the fixed frame 31, and the third rotating shafts 32 and the second movable plates 33 are threadedly connected, and there are two second movable plates 33 symmetrically distributed about the central axis of the fixed frame 31, and the second straightening rollers 36 are evenly distributed inside the second groove 34 to form a group, and the second straightening rollers 36 evenly distributed inside the other second groove 34 are set as another group. Start the second servo motor 39, and then cooperate with the second sprocket mechanism 38 to make the four third rotating shafts 32 rotate simultaneously, thereby driving the two second movable plates 33 to move closer to each other or move away from each other, so as to clamp steel pipes of different diameters and facilitate the adjustment of the position between the two groups of second straightening rollers 36.

[0027] The working principle and beneficial effects of the utility model are as follows: the steel pipe is placed between the two first straightening rollers 26 from the left side of the device, and then the first servo motor 27 is started, and then the first servo motor 27 drives one of the first rotating shafts 22 to rotate, and then the first rotating shaft 22 drives the other first rotating shaft 22 to rotate through the first sprocket mechanism 28, so that the two first movable plates 23 move closer to each other, and at the same time, the two groups of first straightening rollers 26 inside the two first movable plates 23 move closer to each other, so as to clamp the steel pipe front and back, and then the first rotating motor 29 is started, and then the first rotating motor 29 drives the first straightening roller 26 to rotate through the second rotating shaft 25, so that under the action of friction, the steel pipe can move to the right, so that the steel pipe can be straightened front and back.

[0028] When one end of the steel pipe enters between the two second straightening rollers 36, the second servo motor 39 is started, and then the second servo motor 39 drives the four third rotating shafts 32 to rotate simultaneously through the second sprocket mechanism 38, so that the two second movable plates 33 move closer to each other, and the two groups of second straightening rollers 36 on the two second movable plates 33 move closer to each other, so that the steel pipe is clamped up and down, and then the second rotating motor 37 is started, and then the second rotating motor 37 drives the second straightening rollers 36 to rotate through the fourth rotating shaft 35, so that under the action of friction, the steel pipe can move to the right, so that the steel pipe can be straightened up and down.

[0029] The above description is only a preferred specific implementation method of the present utility model, and does not limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A steel pipe straightening device, characterized in that: The invention comprises a front and rear straightening mechanism (2) and an upper and lower straightening mechanism (3) on a bottom plate (1), wherein the front and rear straightening mechanism (2) and the upper and lower straightening mechanism (3) are respectively arranged on the left and right sides of the top of the bottom plate (1), wherein the front and rear straightening mechanism (2) comprises a fixed plate (21), a first rotating shaft (22), a first movable plate (23), a first groove (24), a second rotating shaft (25), a first straightening roller (26), a first servo motor (27), a first sprocket mechanism (28) and a first rotating motor (29), wherein the front and rear edges of the top left side of the bottom plate (1) are fixed with fixed plates (21), a first rotating shaft (22) is transversely installed between the fixed plates (21), a first movable plate (23) is arranged on the outer side of the first rotating shaft (22), and the first movable plate (28) is arranged on the outer side of the first rotating shaft (22). A first groove (24) is provided at the top of one side of the movable plate (23); a second rotating shaft (25) is installed in the vertical direction inside the first groove (24); a first straightening roller (26) is fixed to the outer wall of the second rotating shaft (25); the top of the second rotating shaft (25) passes through the top of the first movable plate (23) and a first rotating motor (29) is fixed thereon; the first rotating motor (29) is fixedly mounted on the top of the first movable plate (23); the end of the first rotating shaft (22) passes through the interior of the fixed plate (21) and a first servo motor (27) is fixed thereon; the first servo motor (27) is fixedly mounted on one side of the fixed plate (21); and a transmission structure is formed between the ends of the two first rotating shafts (22) via a first sprocket mechanism (28).

2. A steel pipe straightening device according to claim 1, characterized in that: The upper and lower straightening mechanism (3) comprises a fixed frame (31), a third rotating shaft (32), a second movable plate (33), a second groove (34), a fourth rotating shaft (35), a second straightening roller (36), a second rotating motor (37), a second sprocket mechanism (38) and a second servo motor (39); a fixed frame (31) is fixed to one side of the top of the bottom plate (1); a third rotating shaft (32) is rotatably mounted inside the fixed frame (31); a second movable plate (33) is arranged outside the third rotating shaft (32); a second groove (34) is provided on an adjacent surface of the second movable plate (33); a second groove (34) is installed inside the second groove (34); A fourth rotating shaft (35) is provided, a second straightening roller (36) is fixed to the outer side of the fourth rotating shaft (35), an end of the fourth rotating shaft (35) passes through the second movable plate (33) and a second rotating motor (37) is fixed to the inside, the second rotating motor (37) is fixedly mounted on the outer wall of the second movable plate (33), a transmission structure is formed between the upper ends of the two third rotating shafts (32) via a second sprocket mechanism (38), the second sprocket mechanism (38) is located above the fixed frame (31), a second servo motor (39) is fixedly mounted on the top of the fixed frame (31), and a second servo motor (39) is fixedly mounted on the top of the fixed frame (31).

3. A steel pipe straightening device according to claim 1, characterized in that: The first rotating shaft (22) is provided with opposite threads at both ends between the fixed plate (21), and two first rotating shafts (22) are provided. The first rotating shaft (22) is threadedly connected to the first movable plate (23), and two first movable plates (23) are symmetrically distributed about the central axis of the bottom plate (1).

4. A steel pipe straightening device according to claim 1, characterized in that: The first straightening rollers (26) are distributed at equal intervals inside the first groove (24).

5. A steel pipe straightening device according to claim 2, characterized in that: Four third rotating shafts (32) are provided, and opposite threads are provided at both ends of the third rotating shafts (32) located inside the fixed frame (31), and the third rotating shafts (32) and the second movable plates (33) are threadedly connected, and two second movable plates (33) are symmetrically distributed about the central axis of the fixed frame (31).

6. A steel pipe straightening device according to claim 2, characterized in that: The second straightening rollers (36) are distributed at equal intervals inside the second groove (34).

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