Straightening mechanism for seamless steel pipe

Abstract

The straightening mechanism for the seamless steel pipe relates to the technical field of steel pipe straightening and comprises a bottom plate and two vertical plates, the two vertical plates are fixedly arranged on the two sides of the upper surface of the bottom plate, mounting grooves are formed in the upper ends of the two vertical plates, the seamless steel pipe is connected to the inner sides of the mounting grooves in an inserted mode, and the seamless steel pipe is arranged in the mounting grooves. A groove is formed in the upper side of the mounting groove, a clamping mechanism for clamping and limiting the seamless steel pipe is arranged on the inner side of the groove, a movable plate is slidably arranged on the upper surface of the bottom plate and located between the two vertical plates, and correcting rods are rotatably arranged on the two sides of the movable plate; correcting blocks are fixedly arranged at the ends, away from the movable plate, of the correcting rods, a cavity is formed in the upper end of the movable plate, and a transmission mechanism for sequentially driving the correcting rods on the two sides to rotate is arranged in the cavity. The seamless steel pipe straightening device can conduct highly continuous seamless steel pipe straightening work, reduces time wasted by material changing, and improves work efficiency.

Description

Technical Field

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

[0002] Seamless steel pipes are often bent due to various reasons before use. Traditionally, steel pipes are straightened using straightening machines. However, straightening machines are large in size and inconvenient to transport. They also have complex internal structures, and high production and maintenance costs, which brings inconvenience to actual use.

[0003] Among them, the announcement number CN217831336U discloses a straightening mechanism for seamless steel pipes, including a base, a long groove is provided on the surface of the base, a long plate is slidably connected inside the long groove, a fixed block is fixedly installed at the port of the long plate, a first motor is fixedly installed on the surface of the fixed block, and a long rod is fixedly installed at the output port of the first motor. There are still defects in this technical solution:

[0004] In this technical solution, after completing a steel pipe straightening work, the correction block needs to undergo a relatively long reset action, which wastes a lot of time, reduces the continuity of equipment use, and reduces work efficiency. Utility Model Content

[0005] In view of the above problems existing in the existing straightening mechanism for seamless steel pipes, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a straightening mechanism for seamless steel pipes, which solves the problem that in the prior art, after completing a steel pipe straightening work, the correction block needs to undergo a long reset action, thereby wasting a lot of time, reducing the continuity of equipment use, and reducing work efficiency.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A straightening mechanism for seamless steel pipes, comprising a bottom plate and a vertical plate, wherein the two vertical plates are fixedly arranged on both sides of the upper surface of the bottom plate, and the upper ends of the two vertical plates are provided with mounting grooves, the inner sides of the mounting grooves are plugged with seamless steel pipes, the upper sides of the mounting grooves are provided with grooves, and the inner sides of the grooves are provided with clamping mechanisms for clamping and limiting the seamless steel pipes, and a movable plate is slidably arranged on the upper surface of the bottom plate and between the two vertical plates, and correction rods are rotatably arranged on both sides of the movable plate, and the correction rods are fixed at one end away from the movable plate A correction block is provided, a cavity is opened inside the upper end of the movable plate, a transmission mechanism is provided inside the cavity for driving the correction rods on both sides to rotate in turn, a reciprocating screw is provided on the internal threaded sleeve of the lower end of the movable plate, both ends of the reciprocating screw are rotatably connected to the corresponding vertical plate, a first motor is fixedly provided on the outer side of the vertical plate on one side, an output end of the first motor is fixedly connected to one end of the reciprocating screw, and a support mechanism for supporting the seamless steel pipe is provided on the upper surface of the bottom plate and on the side opposite to the two vertical plates.

[0009] Preferably, the clamping mechanism includes a first threaded rod and a clamping plate, a first threaded hole is opened on the upper side of the groove, the first threaded rod is threadedly sleeved inside the first threaded hole, the clamping plate is slidably arranged on the inner side of the groove, and the lower end of the first threaded rod is rotatably connected to the clamping plate.

[0010] Preferably, the transmission mechanism includes a transmission rod and an incomplete bevel gear, the transmission rod is rotatably arranged on the upper inner wall of the cavity, the incomplete bevel gear is fixedly sleeved on the lower end of the transmission rod, one end of the two correction rods extends into the interior of the cavity, the close ends of the two correction rods are fixedly sleeved with bevel gears, the incomplete bevel gears are meshedly connected with the bevel gears on one side, a second motor is fixedly arranged on the top of the movable plate, and the output end of the second motor is fixedly connected to one end of the corresponding transmission rod.

[0011] Preferably, the supporting mechanism includes a supporting plate and a second threaded rod, second threaded holes are opened on both sides of the upper surface of the base plate, the second threaded rod is threadedly sleeved inside the corresponding second threaded hole, the supporting plate is fixedly arranged on the upper end of the corresponding second threaded rod, and the supporting plate is in conflict with the lower side wall of one end of the seamless steel pipe.

[0012] Preferably, the cross-sections of the clamping plate and the groove are both rectangular.

[0013] Preferably, the lower surface of the movable plate is in conflict with the upper surface of the bottom plate.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. The utility model drives the reciprocating screw to rotate by the first motor, so that the movable plate moves, and the movable plate drives one side correction rod to enter the corresponding seamless steel pipe. At this time, the second motor drives the transmission rod to rotate, so that the incomplete bevel gear drives the corresponding one side bevel gear to rotate, so that the correction block rotates into the seamless steel pipe to straighten the seamless steel pipe. After the straightening work is completed, the movable plate is reset, so that the other side correction rod enters the corresponding seamless steel pipe. At this time, the incomplete bevel gear is meshed with the other side bevel gear, which drives the corresponding correction block to rotate into the seamless steel pipe. The seamless steel pipe can be straightened while the straightened seamless steel pipe can be replaced, that is, highly continuous seamless steel pipe straightening work can be performed, reducing the time wasted in changing materials and improving work efficiency.

[0016] 2. The utility model can clamp and limit the seamless steel pipe by rotating the first threaded rod to move the clamping plate that cannot rotate.

[0017] 3. The utility model rotates the support plate to move the second threaded rod relative to the second threaded hole, so that the support plate moves until it abuts against the lower side wall of the seamless steel pipe, thereby supporting the seamless steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 This is a structural schematic diagram of a seamless steel pipe straightening mechanism proposed by the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the structure of the local A part;

[0021] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part B in the middle.

[0022] Description of reference numerals:

[0023] 1. Bottom plate; 2. Second threaded rod; 3. Support plate; 4. Movable plate; 5. Correction rod; 6. Correction block; 7. Vertical plate; 8. Reciprocating screw rod; 9. First motor; 10. Bevel gear; 11. Transmission rod; 12. Incomplete bevel gear; 13. Second motor; 14. First threaded rod; 15. Clamp. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model embodiment discloses a straightening mechanism for a seamless steel pipe.

[0026] Reference Figure 1-3 A straightening mechanism for seamless steel pipes comprises a bottom plate 1 and a vertical plate 7. The two vertical plates 7 are fixedly arranged on both sides of the upper surface of the bottom plate 1. The upper ends of the two vertical plates 7 are provided with mounting grooves, and seamless steel pipes are inserted into the inner sides of the mounting grooves. A groove is provided on the upper side of the mounting grooves. A movable plate 4 is slidably arranged on the upper surface of the bottom plate 1 and located between the two vertical plates 7. The lower surface of the movable plate 4 conflicts with the upper surface of the bottom plate 1, so that the movable plate 4 cannot rotate, that is, it can slide stably. Correction rods 5 are rotatably arranged on both sides of the movable plate 4. A correction block 6 is fixedly arranged on one end of the correction rod 5 away from the movable plate 4. A reciprocating screw 8 is internally threadedly sleeved at the lower end of the movable plate 4. Both ends of the reciprocating screw 8 are rotatably connected to the corresponding vertical plates 7. A first motor 9 is fixedly arranged on the outer side of one side vertical plate 7, and the output end of the first motor 9 is fixedly connected to one end of the reciprocating screw 8.

[0027] Reference Figure 1-3 A clamping mechanism for clamping and limiting the seamless steel pipe is arranged on the inner side of the groove, and the clamping mechanism includes a first threaded rod 14 and a clamping plate 15. A first threaded hole is opened on the upper side of the groove, and the first threaded rod 14 is threadedly sleeved inside the first threaded hole. The clamping plate 15 is slidably arranged on the inner side of the groove, and the lower end of the first threaded rod 14 is rotatably connected with the clamping plate 15. The cross-sections of the clamping plate 15 and the groove are both rectangular, so that the clamping plate 15 cannot rotate, that is, it can slide stably.

[0028] Reference Figure 1-3 A cavity is opened inside the upper end of the movable plate 4, and a transmission mechanism is arranged inside the cavity to drive the correction rods 5 on both sides to rotate in turn. The transmission mechanism includes a transmission rod 11 and an incomplete bevel gear 12. The transmission rod 11 is rotatably arranged on the inner wall of the upper end of the cavity, and the incomplete bevel gear 12 is fixedly sleeved on the lower end of the transmission rod 11. One end of the two correction rods 5 extends into the interior of the cavity, and the close ends of the two correction rods 5 are fixedly sleeved with a bevel gear 10. The incomplete bevel gear 12 is meshed with the bevel gear 10 on one side. A second motor 13 is fixedly arranged on the top of the movable plate 4, and the output end of the second motor 13 is fixedly connected to one end of the corresponding transmission rod 11.

[0029] Reference Figure 1-3A supporting mechanism for supporting the seamless steel pipe is provided on the upper surface of the bottom plate 1 and on the side opposite to the two vertical plates 7. The supporting mechanism includes a supporting plate 3 and a second threaded rod 2. Second threaded holes are provided on both sides of the upper surface of the bottom plate 1. The second threaded rod 2 is threadedly sleeved in the corresponding second threaded holes. The supporting plate 3 is fixedly arranged on the upper end of the corresponding second threaded rod 2, and the supporting plate 3 is in conflict with the lower side wall of one end of the seamless steel pipe.

[0030] In the utility model, when in use, one end of the seamless steel pipe is inserted into the through groove, and then the first threaded rod 14 is rotated to make the clamping plate 15 that cannot be rotated move, that is, the seamless steel pipe can be clamped and limited, and then the support plate 3 is rotated to make the second threaded rod 2 move relative to the second threaded hole, that is, the support plate 3 moves until it abuts against the lower side wall of the seamless steel pipe, that is, the seamless steel pipe can be supported, and then the power supply of the first motor 9 is turned on, and the first motor 9 drives the reciprocating screw rod 8 to rotate, that is, the movable plate 4 moves, and the movable plate 4 drives one side correction rod 5 to enter the corresponding seamless steel pipe. At this time, the second motor 13 drives the transmission rod 11 Rotation causes the incomplete bevel gear 12 to drive the corresponding bevel gear 10 on one side to rotate, so that the correction block 6 is rotated into the seamless steel pipe to straighten the seamless steel pipe. After the straightening work is completed, the movable plate 4 is reset, so that the correction rod 5 on the other side enters the corresponding seamless steel pipe. At this time, the incomplete bevel gear 12 is meshed with the bevel gear 10 on the other side, so that the corresponding correction block 6 is driven to rotate into the seamless steel pipe. The seamless steel pipe straightening work can be carried out while the straightened seamless steel pipe can be replaced. That is, highly continuous seamless steel pipe straightening work can be carried out, which reduces the time wasted in changing materials and improves work efficiency.

[0031] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A seamless steel pipe straightening mechanism, comprising a bottom plate (1) and a vertical plate (7), characterized in that: The two vertical plates (7) are fixedly arranged on both sides of the upper surface of the base plate (1), and the upper ends of the two vertical plates (7) are provided with installation grooves, and a seamless steel pipe is inserted into the inner side of the installation groove. A groove is provided on the upper side of the installation groove, and a clamping mechanism for clamping and limiting the seamless steel pipe is provided on the inner side of the groove. A movable plate (4) is slidably arranged on the upper surface of the base plate (1) and located between the two vertical plates (7). Correction rods (5) are rotatably arranged on both sides of the movable plate (4), and a correction block (6) is fixedly arranged on the end of the correction rod (5) away from the movable plate (4). A cavity is provided inside the upper end of the plate (4), and a transmission mechanism is provided inside the cavity to sequentially drive the correction rods (5) on both sides to rotate. A reciprocating screw (8) is provided on the internal threaded sleeve of the lower end of the movable plate (4), and both ends of the reciprocating screw (8) are rotatably connected to the corresponding vertical plate (7). A first motor (9) is fixedly provided on the outer side of one side of the vertical plate (7), and the output end of the first motor (9) is fixedly connected to one end of the reciprocating screw (8). A support mechanism for supporting the seamless steel pipe is provided on the upper surface of the bottom plate (1) and on the side opposite to the two vertical plates (7).

2. The seamless steel pipe straightening mechanism according to claim 1, characterized in that: The clamping mechanism comprises a first threaded rod (14) and a clamping plate (15); a first threaded hole is provided on the upper side of the groove; the first threaded rod (14) is threadedly sleeved inside the first threaded hole; the clamping plate (15) is slidably arranged inside the groove; and the lower end of the first threaded rod (14) is rotatably connected to the clamping plate (15).

3. The seamless steel pipe straightening mechanism according to claim 1, characterized in that: The transmission mechanism comprises a transmission rod (11) and an incomplete bevel gear (12); the transmission rod (11) is rotatably arranged on the inner wall of the upper end of the cavity; the incomplete bevel gear (12) is fixedly sleeved on the lower end of the transmission rod (11); one end of the two correction rods (5) extends into the interior of the cavity; the ends of the two correction rods (5) close to each other are fixedly sleeved with a bevel gear (10); the incomplete bevel gear (12) is meshedly connected with the bevel gear (10) on one side; a second motor (13) is fixedly arranged on the top of the movable plate (4); the output end of the second motor (13) is fixedly connected to one end of the corresponding transmission rod (11).

4. The seamless steel pipe straightening mechanism according to claim 1, characterized in that: The support mechanism comprises a support plate (3) and a second threaded rod (2), second threaded holes are provided on both sides of the upper surface of the base plate (1), the second threaded rod (2) is threadedly sleeved inside the corresponding second threaded hole, the support plate (3) is fixedly arranged on the upper end of the corresponding second threaded rod (2), and the support plate (3) is in contact with the lower side wall of one end of the seamless steel pipe.

5. The seamless steel pipe straightening mechanism according to claim 2, characterized in that: The cross sections of the clamping plate (15) and the groove are both rectangular.

6. The seamless steel pipe straightening mechanism according to claim 1, characterized in that: The lower surface of the movable plate (4) is in contact with the upper surface of the bottom plate (1).

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