Steel pipe straightening machine

Abstract

The utility model relates to the technical field of steel pipe machining equipment, in particular to a steel pipe straightening machine. Comprising a fixing frame, a rotating straightening mechanism is arranged in the fixing frame, the rotating straightening mechanism comprises a rotating frame rotationally installed in the fixing frame, straightening rollers installed in an inner cavity of the rotating frame and a driving motor, the driving motor is in transmission connection with the rotating frame through a gear and a gear ring, two rows of straightening rollers are symmetrically arranged up and down, and a plurality of straightening rollers are arranged in each row; and spokes are arranged on the inner walls of the fixing plates, a feeding mechanism is arranged at one end of the left side of the fixing frame, and a discharging mechanism is arranged at one end of the right side of the fixing frame. The steel pipe can be rotationally straightened, acting force can be applied to the steel pipe in all directions for straightening, and meanwhile the straightened steel pipe is polished.

Description

Technical Field

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

[0002] During the production process or secondary recycling process, the steel pipe needs to be straightened and polished. When straightening the steel pipe, the steel pipe needs to be stressed all around.

[0003] The prior art discloses a steel pipe straightening device with publication number CN218049719U, comprising a workbench, a plurality of arc blocks fixedly mounted on the upper end surface of the workbench, a plurality of heating semi-rings fixedly mounted between two adjacent arc blocks, a support frame mirror-symmetrically arranged on the upper end surface of the workbench, a screw rod transversely arranged between the two support frames, a bidirectional motor mounted on the support frame near the left end of the screw rod, a bearing arranged on the support frame near the right end of the screw rod, the screw rod passing through the bearing, a slider slidably mounted on the screw rod, an internal thread arranged in the slider, an electric push rod mounted on the bottom end of the slider, an N-shaped frame fixedly connected to the bottom end of the electric push rod, a connecting rod transversely arranged between the N-shaped frames, a roller rotatably connected to the connecting rod, and an arc groove arranged on the roller.

[0004] When the above equipment is in use, the steel pipe can only be straightened by longitudinal force and can correct the longitudinal deformation of the steel pipe. Therefore, the fixed position of the steel pipe needs to be adjusted, the straightening effect is not good, and the straightening efficiency is low. At the same time, the outer wall of the steel pipe cannot be polished. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In order to solve the above problems in the prior art, the utility model provides a steel pipe straightening machine, which can rotate and straighten the steel pipe, can apply force in all directions to the steel pipe for straightening, and can grind the straightened steel pipe at the same time.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0009] A steel pipe straightening machine comprises a fixed frame, wherein a rotating straightening mechanism is arranged inside the fixed frame, wherein the rotating straightening mechanism comprises a rotating frame rotatably installed inside the fixed frame, a straightening roller installed in the inner cavity of the rotating frame, and a driving motor, wherein the driving motor is connected to the rotating frame through a gear and a gear ring, wherein the straightening rollers are arranged in two rows symmetrically from top to bottom, and each row is provided with a plurality of straightening rollers, wherein an arc-shaped fixing plate is arranged at an equal angle at one end of the inner cavity of the rotating frame, wherein spokes are arranged on the inner wall of the fixing plate, wherein a feeding mechanism is arranged at the left end of the fixed frame, and a discharging mechanism is arranged at the right end of the fixed frame. The steel pipe can be rotated and straightened, and a force can be applied to the steel pipe in all directions for straightening, and the straightened steel pipe can be polished at the same time.

[0010] Preferably, the feeding mechanism and the discharging mechanism both include a housing, a hydraulic rod, a lifting plate, a supporting roller, a pressure roller and a conveying motor.

[0011] Preferably, the rotating frame is rotatably mounted on the fixed frame via a rotating sleeve.

[0012] Preferably, the straightening roller is arranged at an angle.

[0013] (III) Beneficial effects

[0014] The utility model provides a steel pipe straightening machine. It has the following beneficial effects:

[0015] (1) When the driving motor drives the rotating frame to rotate, the rotating frame drives the straightening roller to rotate along the axis of the steel pipe to straighten the steel pipe on the one hand, and drives the fixed plate to rotate around the axis of the steel pipe on the other hand, and grinds the outer wall of the steel pipe through the spokes, so that the steel pipe can be straightened and polished at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of the utility model;

[0017] Figure 2 It is a top view of the utility model;

[0018] Figure 3 It is the structural diagram of the feeding mechanism and the discharging mechanism of the utility model.

[0019] In the figure: 1. fixed frame; 2. rotating straightening mechanism; 3. rotating frame; 4. straightening roller; 5. driving motor; 6. fixed plate; 7. spokes; 8. feeding mechanism; 9. discharging mechanism; 10. casing; 11. hydraulic rod; 12. lifting plate; 13. supporting roller; 14. pressure roller; 15. conveying motor. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figure 1-3 As shown, the steel pipe straightening machine of this embodiment includes a fixed frame 1, and a rotating straightening mechanism 2 is arranged inside the fixed frame 1. The rotating straightening mechanism 2 includes a rotating frame 3 rotatably installed inside the fixed frame 1, a straightening roller 4 installed in the inner cavity of the rotating frame 3, and a driving motor 5. The driving motor 5 is connected to the rotating frame 3 through gears and gear rings. The straightening rollers 4 are arranged in two rows symmetrically from top to bottom, and each row is provided with a plurality of straightening rollers. The driving of the rotating frame 3 can drive the straightening rollers 4 to rotate around the axis of the steel pipe. During the rotation of the straightening rollers 4, different directions of force can be applied to the steel pipe to achieve straightening of the steel pipe. A fixed plate 6 with an arc structure is also arranged at an equal angle at one end of the inner cavity of the rotating frame 3. The inner wall of the fixed plate 6 is provided with spokes 7. The rotating frame 3 drives the fixed plate 6 to rotate synchronously, and the fixed plate 6 grinds the outer wall of the steel pipe through the spokes 7. A feeding mechanism 8 is arranged at the left end of the fixed frame 1, and a discharging mechanism 9 is arranged at the right end of the fixed frame 1. The feeding mechanism 8 and the discharging mechanism 9 can feed and discharge the steel pipe.

[0022] Furthermore, the feeding mechanism 8 and the discharging mechanism 9 each include a housing 10 , a hydraulic rod 11 , a lifting plate 12 , a supporting roller 13 , a pressure roller 14 and a conveying motor 15 .

[0023] Furthermore, the rotating frame 3 is rotatably mounted with the fixed frame 1 via a rotating sleeve.

[0024] Furthermore, the straightening roller 4 is arranged at an angle.

[0025] Working principle: one end of the steel pipe is inserted into the feeding mechanism 8, the hydraulic cylinder 11 on the feeding mechanism 8 drives the lifting plate 12 to descend, the lifting plate 12 drives the pressure roller 14 to cooperate with the support roller 13 to clamp the steel pipe, and the transmission motor 15 on the feeding mechanism 8 drives the support roller 13 to rotate, and the support roller 13 and the pressure roller 14 can clamp and transport the steel pipe. When the steel pipe is transported to the inside of the rotating frame 3, the driving motor 5 drives the rotating frame 4 to rotate, and the rotating frame 4 drives the straightening roller 4 to rotate around the axis of the steel pipe, which can rotate the steel pipe. Dynamic straightening. When the steel pipe is continuously conveyed, the rotating frame 4 drives the fixed plate 6 to rotate synchronously around the axis of the steel pipe. The fixed plate 6 grinds the outer wall of the steel pipe through the spokes 7. When the straightened steel pipe is close to one end of the discharging mechanism 9, the hydraulic cylinder 11 on the discharging mechanism 9 drives the lifting plate 12 to descend. The lifting plate 12 drives the pressure roller 14 to cooperate with the supporting roller 13 to clamp the steel pipe. When the conveying motor 15 on the discharging mechanism 9 drives the supporting roller 13 to rotate, the supporting roller 13 and the pressure roller 14 can clamp the steel pipe and convey the unloading.

Claims

1. A steel pipe straightening machine, characterized in that: The invention comprises a fixed frame (1), wherein a rotating straightening mechanism (2) is arranged inside the fixed frame (1), wherein the rotating straightening mechanism (2) comprises a rotating frame (3) rotatably mounted inside the fixed frame (1), a straightening roller (4) mounted in the inner cavity of the rotating frame (3), and a driving motor (5), wherein the driving motor (5) is connected to the rotating frame (3) by transmission via a gear and a gear ring, wherein the straightening rollers (4) are arranged in two rows symmetrically from top to bottom, and each row is provided with a plurality of straightening rollers, wherein an arc-shaped fixing plate (6) is arranged at an equal angle at one end of the inner cavity of the rotating frame (3), wherein the inner wall of the fixing plate (6) is provided with spokes (7), wherein a feeding mechanism (8) is arranged at the left end of the fixed frame (1), and a discharging mechanism (9) is arranged at the right end of the fixed frame (1).

2. A steel pipe straightening machine according to claim 1, characterized in that: The feeding mechanism (8) and the discharging mechanism (9) both comprise a housing (10), a hydraulic rod (11), a lifting plate (12), a supporting roller (13), a pressing roller (14) and a conveying motor (15).

3. A steel pipe straightening machine according to claim 1, characterized in that: The rotating frame (3) is rotatably mounted on the fixed frame (1) via a rotating sleeve.

4. A steel pipe straightening machine according to claim 1, characterized in that: The straightening roller (4) is arranged at an angle.

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