Straightening mechanism for seamless steel pipe

Abstract

The utility model relates to the technical field of straightening mechanisms, in particular to a straightening mechanism for seamless steel tubes. The device comprises a bottom frame, universal wheels are installed at the lower end of the bottom frame, a supporting rod is fixedly connected to the upper end of the bottom frame, a fixing table is fixedly connected to the upper end of the supporting rod, a control box is installed at the upper end of the fixing table, and two identical fixing plates are fixedly connected to the upper end of the fixing table. An L-shaped plate is fixedly connected to the front face of the fixing plate on one side, a motor is installed on the back of the L-shaped plate, a first gear is fixedly connected to the output end of the motor, and the first gear is easily rotationally connected with the fixing plate. When the seamless steel pipe is straightened by a straightening roller, the seamless steel pipe is extruded by the straightening roller, so that the granular impurities are possibly extruded into the seamless steel pipe, and the quality of the seamless steel pipe is influenced.

Description

Technical Field

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

[0002] Seamless steel pipe is made of a whole piece of metal, and there is no seam on the surface of the steel pipe, called seamless steel pipe. Seamless steel pipe is mainly used as petroleum geological drilling pipe, petrochemical cracking pipe, boiler pipe, bearing pipe and automobile, tractor, aviation high-precision structural steel pipe. Seamless steel pipe needs to be straightened by a straightening mechanism during the processing. The straightening mechanism consists of a base frame, universal wheels, support rods, fixed platform, control box, fixed plate, L-shaped plate, motor, gear one, chain, straightening roller and gear two. When straightening the seamless steel pipe, push the fixed platform to make the universal wheel on the base frame connected to the support rod rotate, so as to move to the work site, start the motor of the L-shaped plate, so that the gear one is driven to rotate, and then through the chain transmission, the other gears are driven to rotate, and then the straightening roller is rotated, and the upper and lower straightening rollers are rotated by setting gear two, and the seamless steel pipe is placed between the straightening rollers to straighten the seamless steel pipe.

[0003] The inventor found in his daily work that when the straightening mechanism is used for straightening, since impurities are easily adhered to the seamless steel pipe during transportation, some granular impurities will follow the seamless steel pipe into the straightening machine. When the straightening rollers straighten the seamless steel pipes, the straightening rollers squeeze the seamless steel pipes, which may cause the granular impurities to be squeezed into the seamless steel pipes, thereby affecting the quality of the seamless steel pipes. Utility Model Content

[0004] The utility model aims to solve the problem that in actual use, since seamless steel pipes are easily adhered to impurities during transportation, some granular impurities will follow the seamless steel pipes into the straightening machine, and when the straightening rollers straighten the seamless steel pipes, the straightening rollers squeeze the seamless steel pipes, which may cause the granular impurities to be squeezed into the seamless steel pipes, thereby affecting the quality of the seamless steel pipes. A straightening mechanism for seamless steel pipes is proposed to solve the problem.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a straightening mechanism for seamless steel pipes, comprising a base frame, a universal wheel is installed at the lower end of the base frame, a support rod is fixedly connected to the upper end of the base frame, a fixed platform is fixedly connected to the upper end of the support rod, a control box is installed at the upper end of the fixed platform, two identical fixed plates are fixedly connected to the upper end of the fixed platform, an L-shaped plate is fixedly connected to the front of the fixed plate on one side, a motor is installed at the back of the L-shaped plate, a gear 1 is fixedly connected to the output end of the motor, the gear is easily connected to the fixed plate for rotation, a chain is arranged between the plurality of gears 1, a straightening roller is rotatably connected between the two fixed plates, and the other side of the gears 1 are fixedly connected to the front of the fixed plate. The front side of the fixed plate is rotatably connected with gear 2, the gear 2 is fixedly connected to the straightening roller, the straightening roller is fixedly connected to gear 1, the two gears 2 are meshed with each other, a cleaning assembly is provided on one side of the fixed plate, a limiting assembly is provided between the two fixed plates, the cleaning assembly includes a fixed rod fixedly connected to one side of the fixed plate, a fixed ring is fixedly connected between the two fixed rods, an inner arc surface of the fixed ring is provided with a mounting groove, an inner wall of the mounting groove is provided with an airbag, a semicircular sponge block and a connecting mechanism are provided on the inner arc surface of the airbag, an air pump is installed on the front side of the fixed rod, an output end of the air pump is fixedly connected with an air pipe, the air pipe passes through the fixed rod and is fixed to the airbag.

[0006] The effect achieved by the above-mentioned components is: by setting up a cleaning assembly, when cleaning the seamless steel pipe, the semicircular sponge block and the air bag are fixed through the connecting mechanism, and the air pump on the fixing rod is started to allow the gas to enter the air bag through the air pipe, so that the air bag in the mounting groove is inflated, and then the semicircular sponge blocks on both sides are moved, and the seamless steel pipe is pushed between the semicircular sponge blocks on both sides, so that the semicircular sponge blocks on both sides clean the seamless steel pipe, and then the seamless steel pipe is driven to move by the straightening roller, and the semicircular sponge blocks on both sides continue to clean the seamless steel pipe.

[0007] Preferably, the connecting mechanism comprises a grooved semicircular block fixedly connected to the inner arc surface of the airbag, and the outer arc surface of the semicircular sponge block is fixedly connected to the connecting semicircular block.

[0008] The effect achieved by the above components is: dragging the semicircular sponge block so that the connecting semicircular block is close to the semicircular block with grooves.

[0009] Preferably, the arc surface of the connecting semicircular block is fixedly connected with a fixing block, the fixing block is inserted into the semicircular block with grooves, and a through hole is opened on the front side of the semicircular block with grooves.

[0010] The effect achieved by the above components is: the connecting semicircular block is close to the semicircular block with groove, so that the fixing block is inserted into the semicircular block with groove.

[0011] Preferably, a circular groove is provided on the front side of the fixing block, a spring 1 is fixedly connected to the inner wall of the circular groove, a latch is slidably connected to the inner wall of the circular groove, and the latch and the spring 1 are fixed.

[0012] The effect achieved by the above components is that the fixing block is inserted into the semicircular block with grooves, so that the spring in the circular groove is reset, and the latch is inserted into the through hole, thereby fixing the semicircular sponge block.

[0013] Preferably, the limit assembly includes an L-shaped connecting plate fixedly connected to one side of the fixed plate, one end of the L-shaped connecting plate is fixedly connected to a limit ring, the arc surface of the limit ring is provided with two identical bearings and an operating ring, a limit rod is slidably inserted into the inner arc surface of the limit ring, one end of the limit rod is fixedly connected to a U-shaped block, one side of the U-shaped block is rotatably connected to a roller, and the inner wall of the operating ring is fixedly connected to a triangular block.

[0014] The effect achieved by the above components is: when it is necessary to limit the seamless steel pipe during straightening, the seamless steel pipe is passed through the limiting ring on the L-shaped connecting plate, and the operating ring is rotated so that the triangular block squeezes the limiting rod, so that the roller in the U-shaped block on the limiting rod contacts the seamless steel pipe, thereby preventing the seamless steel pipe from shifting during straightening.

[0015] Preferably, the inner rings of the two bearings are fixed to the limiting ring, and the outer rings of the two bearings are fixed to the operating ring.

[0016] The effect achieved by the above components is: by arranging the bearing, the rotation stability of the operating ring is improved.

[0017] Preferably, one side of the U-shaped block is fixedly connected to a second spring, and the other end of the second spring is fixed to a limiting ring.

[0018] The effect achieved by the above components is: by setting the second spring, the limit rod is reset.

[0019] Preferably, an insertion rod is inserted into the front side of the L-shaped connecting plate, and the insertion rod is inserted into the operating ring.

[0020] The effect achieved by the above components is: dragging the insertion rod so that it is inserted into the operating ring, thereby limiting the operating ring.

[0021] In summary, the beneficial effects of the utility model are:

[0022] In the utility model, by arranging a cleaning component, when cleaning the seamless steel pipe, the semicircular sponge block and the air bag are fixed through the connecting mechanism, and the air pump on the fixing rod is started to allow the gas to enter the air bag through the air pipe, so that the air bag in the mounting groove is inflated, thereby causing the semicircular sponge blocks on both sides to move, and the seamless steel pipe is pushed in between the semicircular sponge blocks on both sides, so that the semicircular sponge blocks on both sides clean the seamless steel pipe, and then the seamless steel pipe is driven to move by the straightening roller, and the semicircular sponge blocks on both sides continue to clean the seamless steel pipe, thereby solving the problem that impurities are easily adhered to the seamless steel pipe during transportation, some granular impurities will follow the seamless steel pipe into the straightening machine, and when the straightening roller straightens the seamless steel pipe, the straightening roller squeezes the seamless steel pipe, which may cause the granular impurities to be squeezed into the seamless steel pipe, thereby affecting the quality of the seamless steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the utility model part;

[0025] Figure 3 It is a three-dimensional structural schematic diagram of the cleaning component of the utility model;

[0026] Figure 4 It is a three-dimensional structural schematic diagram of the limiting component of the utility model.

[0027] Legend: 1. Base frame; 2. Cleaning assembly; 3. Limit assembly; 4. Universal wheel; 5. Support rod; 6. Fixed table; 7. Control box; 8. Fixed plate; 9. L-shaped plate; 10. Motor; 11. Gear 1; 12. Chain; 13. Straightening roller; 14. Gear 2; 21. Fixed rod; 22. Fixed ring; 23. Mounting groove; 24. Air bag; 25. Air pipe; 26. Air pump; 27. Semicircular sponge block; 28. Connecting mechanism; 281. Semicircular block with groove; 282. Connecting semicircular block; 283. Fixed block; 284. Circular groove; 285. Spring 1; 286. Pin; 31. L-shaped connecting plate; 32. Limiting ring; 33. Bearing; 34. Operating ring; 35. Limiting rod; 36. U-shaped block; 37. Roller; 38. Spring 2; 39. Triangular block; 310. Insert rod. DETAILED DESCRIPTION

[0028] Reference Figure 1 and Figure 2As shown, the utility model provides a technical solution: a straightening mechanism for seamless steel pipes comprises a base frame 1, a universal wheel 4 is installed at the lower end of the base frame 1, a support rod 5 is fixedly connected to the upper end of the base frame 1, a fixed platform 6 is fixedly connected to the upper end of the support rod 5, a control box 7 is installed at the upper end of the fixed platform 6, two identical fixed plates 8 are fixedly connected to the upper end of the fixed platform 6, an L-shaped plate 9 is fixedly connected to the front of the fixed plate 8 on one side, a motor 10 is installed on the back of the L-shaped plate 9, a gear 11 is fixedly connected to the output end of the motor 10, the gear 11 is rotatably connected to the fixed plate 8, a chain 12 is arranged between the plurality of gears 11, a straightening roller 13 is rotatably connected between the two fixed plates 8, a gear 2 14 is rotatably connected to the front of the fixed plate 8 on the other side, the gear 2 14 is fixedly connected to the straightening roller 13, the straightening roller 13 is fixedly connected to the gear 1 11, the two gears 2 14 are meshed with each other, a cleaning component 2 is arranged on one side of the fixed plate 8, and a limiting component 3 is arranged between the two fixed plates 8.

[0029] The specific settings and functions of the cleaning component 2 and the limiting component 3 are described in detail below.

[0030] Reference Figure 2 and Figure 3As shown, in this embodiment: the cleaning assembly 2 includes a fixing rod 21 fixedly connected to one side of the fixing plate 8, a fixing ring 22 is fixedly connected between the two fixing rods 21, a mounting groove 23 is provided on the inner arc surface of the fixing ring 22, an air bag 24 is installed on the inner wall of the mounting groove 23, a semicircular sponge block 27 and a connecting mechanism 28 are provided on the inner arc surface of the air bag 24, an air pump 26 is installed on the front side of the fixing rod 21, and an air pipe 25 is fixedly connected to the output end of the air pump 26, and the air pipe 25 passes through the fixing rod 21 and the air bag 24, and is fixed. By setting the cleaning assembly 2, when cleaning the seamless steel pipe, the semicircular sponge block 27 and the air bag 24 are fixed through the connecting mechanism 28, and the air pump 26 on the fixing rod 21 is started, so that the gas enters the air bag 24 through the air pipe 25, so that the air bag 24 in the mounting groove 23 is inflated, and then the semicircular sponge blocks 27 on both sides are moved, and the seamless steel pipe is pushed between the semicircular sponge blocks 27 on both sides, so that the semicircular sponge blocks 27 on both sides clean the seamless steel pipe, and then the seamless steel pipe is driven to move by the straightening roller 13, and the two sides are continuously moved. The semicircular sponge block 27 on the side cleans the seamless steel pipe. The connecting mechanism 28 includes a semicircular block 281 with a groove fixedly connected to the inner arc surface of the airbag 24. The outer arc surface of the semicircular sponge block 27 is fixedly connected with a connecting semicircular block 282. The semicircular sponge block 27 is dragged so that the connecting semicircular block 282 is close to the semicircular block 281 with a groove. The arc surface of the connecting semicircular block 282 is fixedly connected with a fixing block 283. The fixing block 283 is inserted into the semicircular block 281 with a groove. The front side of the semicircular block 281 with a through hole is provided. The connecting semicircular block 282 is fixedly connected with a fixing block 283. 82 is close to the semicircular block 281 with grooves, so that the fixed block 283 is inserted into the semicircular block 281 with grooves, and a circular groove 284 is opened on the front of the fixed block 283. The inner wall of the circular groove 284 is fixedly connected with a spring 285, and the inner wall of the circular groove 284 is slidably connected with a latch 286. The latch 286 and the spring 285 are fixed. The fixed block 283 is inserted into the semicircular block 281 with grooves, so that the spring 285 in the circular groove 284 is reset, and the latch 286 is stuck in the through hole, thereby fixing the semicircular sponge block 27.

[0031] Reference Figure 4As shown, in this embodiment: the limiting component 3 includes an L-shaped connecting plate 31 fixedly connected to one side of the fixing plate 8, one end of the L-shaped connecting plate 31 is fixedly connected to a limiting ring 32, the arc surface of the limiting ring 32 is provided with two identical bearings 33 and an operating ring 34, a limiting rod 35 is slidably inserted into the inner arc surface of the limiting ring 32, one end of the limiting rod 35 is fixedly connected to a U-shaped block 36, one side of the U-shaped block 36 is rotatably connected to a roller 37, the inner wall of the operating ring 34 is fixedly connected to a triangular block 39, when it is necessary to limit the seamless steel pipe during straightening, the seamless steel pipe is passed through the limiting ring 32 on the L-shaped connecting plate 31, and the operating ring 34 is rotated so that the triangular block 39 squeezes the limiting ring Rod 35 makes the roller 37 in the U-shaped block 36 on the limit rod 35 contact with the seamless steel pipe, so as to prevent the seamless steel pipe from deviating during straightening. The inner rings of the two bearings 33 are fixed to the limit ring 32, and the outer rings of the two bearings 33 are fixed to the operating ring 34. By setting the bearings 33, the rotation stability of the operating ring is improved. One side of the U-shaped block 36 is fixedly connected with a spring 2 38, and the other end of the spring 2 38 is fixed to the limit ring 32. By setting the spring 2 38, the limit rod 35 is reset. An insertion rod 310 is inserted into the front side of the L-shaped connecting plate 31, and the insertion rod 310 is inserted into the operating ring 34. The insertion rod 310 is dragged to be inserted into the operating ring 34, thereby limiting the operating ring 34.

[0032] Working principle:

[0033] When straightening the seamless steel pipe, push the fixed platform 6 to rotate the universal wheel 4 on the bottom frame 1 connected to the support rod 5, so as to move to the working place, start the control box 7, start the motor 10 of the L-shaped plate 9, so as to drive the gear 11 to rotate, thereby driving the other gears 11 to rotate through the chain 12, and then the straightening roller 13 on the fixed plate 8 is rotated, and the upper and lower straightening rollers 13 are rotated by setting the gear 2 14, so that the seamless steel pipe is placed between the straightening rollers 13, so as to When straightening the seamless steel pipe and cleaning the seamless steel pipe, drag the semicircular sponge block 27 so that the connecting semicircular block 282 is close to the grooved semicircular block 281, so that the fixing block 283 is inserted into the grooved semicircular block 281, and the fixing block 283 is inserted into the grooved semicircular block 281, so that the spring 285 in the circular groove 284 is reset, so that the latch 286 is stuck in the through hole, thereby fixing the semicircular sponge block 27, fixing the semicircular sponge block 27 and the air bag 24, and starting the air pump 26 on the fixing rod 21. , so that the gas enters the airbag 24 through the air pipe 25, so that the airbag 24 in the mounting groove 23 on the fixing ring 22 is inflated, and then the semicircular sponge blocks 27 on both sides are moved, and the seamless steel pipe is pushed between the semicircular sponge blocks 27 on both sides, so that the semicircular sponge blocks 27 on both sides clean the seamless steel pipe, and then the seamless steel pipe is driven to move by the straightening roller 13, and the semicircular sponge blocks 27 on both sides continue to clean the seamless steel pipe. When it is necessary to limit the seamless steel pipe during straightening, the seamless steel pipe The steel pipe passes through the limiting ring 32 on the L-shaped connecting plate 31, and the operating ring 34 is rotated so that the triangular block 39 squeezes the limiting rod 35, and the insertion rod 310 is dragged to be inserted into the operating ring 34, thereby limiting the operating ring 34, so that the roller 37 in the U-shaped block 36 on the limiting rod 35 contacts the seamless steel pipe, thereby preventing the seamless steel pipe from shifting during straightening. By setting the bearing 33, the rotation stability of the operating ring is improved, and by setting the spring 2 38, the limiting rod 35 is reset.

[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood by specific circumstances.

Claims

1. A straightening mechanism for seamless steel pipes, comprising a base frame (1), characterized in that: A universal wheel (4) is installed at the lower end of the base frame (1), a support rod (5) is fixedly connected to the upper end of the base frame (1), a fixed platform (6) is fixedly connected to the upper end of the support rod (5), a control box (7) is installed at the upper end of the fixed platform (6), two identical fixed plates (8) are fixedly connected to the upper end of the fixed platform (6), an L-shaped plate (9) is fixedly connected to the front of the fixed plate (8) on one side, a motor (10) is installed at the back of the L-shaped plate (9), a gear one (11) is fixedly connected to the output end of the motor (10), the gear one (11) is rotatably connected to the fixed plate (8), a chain (12) is arranged between the plurality of gear ones (11), a straightening roller (13) is rotatably connected between the two fixed plates (8), a gear two (14) is rotatably connected to the front of the fixed plate (8) on the other side, the gear two (14) and the straightening roller (13) are fixedly connected to the front of the fixed plate (8) on the other side, and the gear two (14) and the straightening roller (13) are fixedly connected to the front of the fixed plate (8) on the other side. The straightening roller (13) and the gear one (11) are fixedly connected, the two gear twos (14) are meshed with each other, a cleaning assembly (2) is arranged on one side of the fixing plate (8), a limiting assembly (3) is arranged between the two fixing plates (8), the cleaning assembly (2) comprises a fixing rod (21) fixedly connected to one side of the fixing plate (8), a fixing ring (22) is fixedly connected between the two fixing rods (21), a mounting groove (23) is provided on the inner arc surface of the fixing ring (22), an air bag (24) is installed on the inner wall of the mounting groove (23), a semicircular sponge block (27) and a connecting mechanism (28) are arranged on the inner arc surface of the air bag (24), an air pump (26) is installed on the front side of the fixing rod (21), an air pipe (25) is fixedly connected to the output end of the air pump (26), and the air pipe (25) passes through the fixing rod (21) and the air bag (24) for fixing.

2. A seamless steel pipe straightening mechanism according to claim 1, characterized in that: The connecting mechanism (28) comprises a grooved semicircular block (281) fixedly connected to the inner arc surface of the airbag (24), and the outer arc surface of the semicircular sponge block (27) is fixedly connected to a connecting semicircular block (282).

3. A seamless steel pipe straightening mechanism according to claim 2, characterized in that: The arc surface of the connecting semicircular block (282) is fixedly connected with a fixing block (283), and the fixing block (283) is inserted into the semicircular block with groove (281), and a through hole is opened on the front side of the semicircular block with groove (281).

4. A seamless steel pipe straightening mechanism according to claim 3, characterized in that: A circular groove (284) is provided on the front of the fixed block (283); a spring (285) is fixedly connected to the inner wall of the circular groove (284); a latch (286) is slidably connected to the inner wall of the circular groove (284); and the latch (286) and the spring (285) are fixed.

5. A seamless steel pipe straightening mechanism according to claim 4, characterized in that: The limiting assembly (3) comprises an L-shaped connecting plate (31) fixedly connected to one side of a fixing plate (8); one end of the L-shaped connecting plate (31) is fixedly connected to a limiting circular ring (32); the arc surface of the limiting circular ring (32) is provided with two identical bearings (33) and an operating circular ring (34); a limiting rod (35) is slidably inserted into the inner arc surface of the limiting circular ring (32); one end of the limiting rod (35) is fixedly connected to a U-shaped block (36); one side of the U-shaped block (36) is rotatably connected to a roller (37); and the inner wall of the operating circular ring (34) is fixedly connected to a triangular block (39).

6. A seamless steel pipe straightening mechanism according to claim 5, characterized in that: The inner rings of the two bearings (33) are fixed to the limiting ring (32), and the outer rings of the two bearings (33) are fixed to the operating ring (34).

7. A seamless steel pipe straightening mechanism according to claim 6, characterized in that: One side of the U-shaped block (36) is fixedly connected to a second spring (38), and the other end of the second spring (38) is fixed to a limiting ring (32).

8. A seamless steel pipe straightening mechanism according to claim 7, characterized in that: An insertion rod (310) is inserted into the front side of the L-shaped connecting plate (31), and the insertion rod (310) is inserted into the operating ring (34).

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