A seamless steel pipe straightening device

Abstract

The utility model discloses a seamless steel pipe straightening device, which specifically relates to the technical field of seamless steel pipes, including a frame, a No. 1 adjustment frame is installed on the top of the frame, a No. 3 motor is arranged on the inner bottom wall of the frame, a No. 1 sprocket is fixedly connected to the outer wall of the No. 2 transmission rod, a No. 2 sprocket is meshedly connected to the inner wall of the chain, a No. 2 adjustment frame is fixedly connected to the outer wall of the fixed sleeve, a straightening roller is connected to the inner wall bearing of the bearing frame, and a cylinder is fixedly connected to the inner wall of the No. 2 adjustment frame. The seamless steel pipe straightening device facilitates the staff to evenly straighten the outer wall of the seamless steel pipe through the provided chain, straightening roller and cylinder, improves the uniformity of the staff to straighten the outer wall of the seamless steel pipe, and prevents the seamless steel pipe from tilting after the seamless steel pipe is straightened, thereby ensuring the accuracy of the seamless steel pipe straightening device to straighten the outer wall of the steel pipe.

Description

Technical Field

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

[0002] Seamless steel pipe is made of a whole round steel with holes. There is no weld on the surface. It is called seamless steel pipe. According to the production method, seamless steel pipe can be divided into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold-drawn seamless steel pipe, extruded seamless steel pipe, jacking pipe, etc. According to the cross-sectional shape, seamless steel pipe is divided into round and special-shaped. Special-shaped pipes have square, oval, triangle, hexagon, melon seed, star, winged pipe and many other complex shapes. Seamless steel pipe is mainly used as petroleum geological drilling pipe, cracking pipe for petrochemical industry, boiler pipe, bearing pipe and high-precision structural steel pipe for automobile, tractor and aviation.

[0003] Existing seamless steel pipe straightening devices usually use an extrusion and linear conveying method to complete the straightening of seamless steel pipes. Since the existing seamless steel pipe straightening devices cannot ensure the uniformity of the straightening of the outer wall of the seamless steel pipe, the outer wall of the seamless steel pipe will tilt after straightening, thereby reducing the accuracy of the seamless steel pipe straightening device for straightening the outer wall of the steel pipe, affecting the subsequent use of the seamless steel pipe. Therefore, the existing seamless steel pipe straightening device needs to be improved to a certain extent. Utility Model Content

[0004] The utility model aims to provide a seamless steel pipe straightening device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a seamless steel pipe straightening device, comprising a frame, a No. 1 adjustment frame is installed on the top of the frame, and a No. 1 motor is arranged on the outer wall of the No. 1 adjustment frame, the output shaft of the No. 1 motor is connected to a No. 1 conveying roller through a coupling, the top of the No. 1 adjustment frame is fixedly connected to a No. 1 top plate, and a No. 2 motor is installed on the top of the No. 1 top plate, the output shaft of the No. 2 motor is connected to a No. 1 transmission rod through a coupling, and a transmission is arranged on the outer wall of the No. 1 transmission rod, a fixing rod is arranged on the inner wall of the transmission, and a bearing plate is connected to the outer wall bearing of the fixing rod, a No. 1 bevel gear is fixedly connected to both ends of the fixing rod, and the outer wall of the No. 1 bevel gear is meshingly connected with a No. 2 bevel gear, a threaded ring is fixedly connected to the inner wall of the No. 2 bevel gear, and a threaded rod is threadedly connected to the inner wall of the threaded ring;

[0006] The other end of the threaded rod is connected to an adjusting plate with a bearing, and the inner wall bearing of the adjusting plate is connected to a No. 2 conveying roller, the inner bottom wall of the frame is provided with a No. 3 motor, and the output shaft of the No. 3 motor is connected to the No. 2 transmission rod through a coupling, the outer wall of the No. 2 transmission rod is fixedly connected to the No. 1 sprocket, and the outer wall of the No. 1 sprocket is meshed with a chain, the inner wall of the chain is meshed with the No. 2 sprocket, and the inner wall of the No. 2 sprocket is fixedly connected to a fixed sleeve, the outer wall of the fixed sleeve is fixedly connected to the No. 2 adjusting frame, and the inner bottom wall of the No. 2 adjusting frame is provided with a bearing frame, the inner wall bearing of the bearing frame is connected to a straightening roller, the inner wall of the No. 2 adjusting frame is fixedly connected to a cylinder, and the other end of the cylinder is fixedly connected to the No. 2 top plate.

[0007] Preferably, there are two No. 1 adjustment racks, and the two No. 1 adjustment racks are symmetrically arranged with the mid-vertical line of the rack as the symmetry axis. A slide groove is penetrated through the outer wall of the No. 1 adjustment rack, and an adjustment plate is slidably connected to the outer wall of the slide groove. The inner wall of the adjustment plate matches the outer wall of the slide groove in shape and size.

[0008] Preferably, the fixed rod forms a rotating structure with the No. 1 transmission rod through a transmission, and the No. 1 bevel gear forms an integrated structure through the fixed rod, the surfaces of the two No. 1 bevel gears are meshed and connected with the No. 2 bevel gears, and the two No. 2 bevel gears form an integrated rotating structure through the No. 1 bevel gear.

[0009] Preferably, the threaded ring forms a rotating structure through the second bevel gear, and a threaded hole is opened on the inner wall of the threaded ring, the threaded rod forms a threaded lifting structure through the threaded hole opened on the inner wall of the threaded ring, and the adjustment plate forms an integrated structure through the threaded rod.

[0010] Preferably, the No. 2 sprocket forms a rotating structure with the No. 1 sprocket through a chain, and the fixed sleeve forms an integrated rotating structure with the No. 2 sprocket, the outer wall bearing of the fixed sleeve is connected to the No. 1 adjustment frame, and the No. 2 adjustment frame forms a rotating structure with the No. 1 adjustment frame through the fixed sleeve.

[0011] Preferably, the straightening rollers form a rotating structure through a bearing frame, and there are six straightening rollers, three of which form a group, and two groups of straightening rollers are arranged to rotate 180° with the midpoint of the No. 2 adjustment frame and the No. 2 top plate as the axis of symmetry.

[0012] Preferably, the No. 2 top plate forms a telescopic structure with the No. 2 adjusting frame through a cylinder, and the bottom end of the No. 2 top plate is fixedly connected to a bearing frame, the inner wall of the No. 2 top plate is slidably connected to a sliding rod, and a return spring is provided at the bottom end of the No. 2 top plate, and the return spring forms a compression structure through the No. 2 top plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the device for straightening seamless steel pipes;

[0014] 1. Through the chain, straightening roller and cylinder, the cylinder drives the straightening roller set at the bottom of the No. 2 top plate and the straightening roller installed on the inner bottom wall of the No. 2 adjustment frame to adjust the distance, and the chain drives the No. 2 adjustment frame to rotate with the fixed sleeve to complete the straightening of seamless steel pipes of different sizes, which solves the problem that the existing seamless steel pipe straightening device cannot ensure the uniform straightening of the outer wall of the seamless steel pipe, thereby facilitating the uniform straightening of the outer wall of the seamless steel pipe by the staff, improving the uniformity of the straightening of the outer wall of the seamless steel pipe by the staff, and preventing the seamless steel pipe from tilting after the seamless steel pipe is straightened, thereby ensuring the accuracy of the seamless steel pipe straightening device in straightening the outer wall of the steel pipe;

[0015] 2. Through the transmission device, No. 1 bevel gear and threaded rod, two sets of transmission devices are used to drive the two fixed rods to rotate synchronously. At this time, the No. 2 bevel gear rotates with the fixed rod through the No. 1 bevel gear, so that the threaded ring drives the threaded rod to rise and fall through the No. 2 bevel gear, and the height adjustment of the adjustment plate and the No. 2 conveying roller is completed, which solves the problem that the existing seamless steel pipe straightening device cannot straighten seamless steel pipes of different diameters, thereby facilitating the staff to quickly straighten seamless steel pipes of different diameters, thereby saving the staff's time for straightening and adjusting seamless steel pipes of different diameters, improving the staff's efficiency in straightening seamless steel pipes of different diameters, and increasing the practicality of the overall device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a side view structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the connection structure between the first top plate and the adjustment plate of the utility model;

[0019] Figure 4 It is a schematic diagram of the connection structure between the second transmission rod and the second adjustment frame of the utility model.

[0020] In the figure: 1, frame; 2, No. 1 adjustment frame; 3, No. 1 motor; 4, No. 1 conveying roller; 5, No. 1 top plate; 6, No. 2 motor; 7, No. 1 transmission rod; 8, transmission device; 9, fixed rod; 10, bearing plate; 11, No. 1 bevel gear; 12, No. 2 bevel gear; 13, threaded ring; 14, threaded rod; 15, adjustment plate; 16, No. 2 conveying roller; 17, No. 3 motor; 18, No. 2 transmission rod; 19, No. 1 sprocket; 20, chain; 21, No. 2 sprocket; 22, fixed sleeve; 23, No. 2 adjustment frame; 24, bearing frame; 25, straightening roller; 26, cylinder; 27, No. 2 top plate; 28, slide rod; 29, reset spring. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-3 The utility model provides a technical solution: a seamless steel pipe straightening device, comprising a frame 1, a No. 1 adjusting frame 2 is installed on the top of the frame 1, and a No. 1 motor 3 is arranged on the outer wall of the No. 1 adjusting frame 2, the output shaft of the No. 1 motor 3 is connected to a No. 1 conveying roller 4 through a coupling, a No. 1 top plate 5 is fixedly connected to the top of the No. 1 top plate 5, and a No. 2 motor 6 is installed on the top of the No. 1 top plate 5, the output shaft of the No. 2 motor 6 is connected to a No. 1 transmission rod 7 through a coupling, and a transmission device 8 is arranged on the outer wall of the No. 1 transmission rod 7, a fixing rod 9 is arranged on the inner wall of the transmission device 8, and a bearing plate 10 is connected to the outer wall bearing of the fixing rod 9, a No. 1 bevel gear 11 is fixedly connected to both ends of the fixing rod 9, and a No. 2 bevel gear 12 is meshedly connected to the outer wall of the No. 1 bevel gear 11, a threaded ring 13 is fixedly connected to the inner wall of the No. 2 bevel gear 12, a threaded rod 14 is threadedly connected to the inner wall of the threaded ring 13.

[0023] There are two No. 1 adjustment racks 2, and the two No. 1 adjustment racks 2 are symmetrically arranged with the mid-vertical line of the rack 1 as the symmetry axis. A slide groove is penetrated through the outer wall of the No. 1 adjustment rack 2, and an adjustment plate 15 is slidably connected to the outer wall of the slide groove. The inner wall of the adjustment plate 15 and the outer wall of the slide groove match each other in shape and size.

[0024] The fixed rod 9 forms a rotating structure with the first transmission rod 7 through the transmission device 8, and the first bevel gear 11 forms an integrated structure through the fixed rod 9. The outer surfaces of the two first bevel gears 11 are meshed and connected with the second bevel gears 12, and the two second bevel gears 12 form an integrated rotating structure through the first bevel gear 11.

[0025] The threaded ring 13 forms a rotating structure through the second bevel gear 12, and a threaded hole is opened on the inner wall of the threaded ring 13. The threaded rod 14 forms a threaded lifting structure through the threaded hole opened on the inner wall of the threaded ring 13, and the adjustment plate 15 forms an integrated structure through the threaded rod 14.

[0026] The specific implementation method is as follows: through the transmission device 8, the first bevel gear 11 and the threaded rod 14, two sets of transmission devices 8 are used to drive the two fixed rods 9 to rotate synchronously. At this time, the second bevel gear 12 rotates following the fixed rod 9 through the first bevel gear 11, so that the threaded ring 13 drives the threaded rod 14 to rise and fall through the second bevel gear 12, completing the height adjustment of the adjustment plate 15 and the second conveying roller 16, solving the problem that the existing seamless steel pipe straightening device cannot straighten seamless steel pipes of different diameters, thereby facilitating the staff to quickly straighten seamless steel pipes of different diameters, thereby saving the time for the staff to straighten and adjust seamless steel pipes of different diameters, improving the efficiency of the staff to straighten seamless steel pipes of different diameters, and increasing the practicality of the overall device.

[0027] See also Figure 1-4 The utility model provides a technical solution: a seamless steel pipe straightening device, the other end of the threaded rod 14 is connected to an adjusting plate 15 by a bearing, and the inner wall of the adjusting plate 15 is connected to a No. 2 conveying roller 16 by a bearing, the inner bottom wall of the frame 1 is provided with a No. 3 motor 17, and the output shaft of the No. 3 motor 17 is connected to a No. 2 transmission rod 18 through a coupling, the outer wall of the No. 2 transmission rod 18 is fixedly connected to a No. 1 sprocket 19, and the outer wall of the No. 1 sprocket 19 is meshedly connected with a chain 20, the inner wall of the chain 20 is meshedly connected with a No. 2 sprocket 21, and the inner wall of the No. 2 sprocket 21 is fixedly connected with a fixed sleeve 22, the outer wall of the fixed sleeve 22 is fixedly connected with a No. 2 adjusting frame 23, and the inner bottom wall of the No. 2 adjusting frame 23 is provided with a bearing frame 24, the inner wall of the bearing frame 24 is connected to a straightening roller 25 by a bearing, the inner wall of the No. 2 adjusting frame 23 is fixedly connected with a cylinder 26, and the other end of the cylinder 26 is fixedly connected with a No. 2 top plate 27.

[0028] The second sprocket 21 forms a rotating structure with the first sprocket 19 through the chain 20, and the fixed sleeve 22 forms an integrated rotating structure through the second sprocket 21, the outer wall bearing of the fixed sleeve 22 is connected to the first adjusting frame 2, and the second adjusting frame 23 forms a rotating structure with the first adjusting frame 2 through the fixed sleeve 22;

[0029] The straightening rollers 25 form a rotating structure through the bearing frame 24, and there are six straightening rollers 25, each three straightening rollers 25 form a group, and the two groups of straightening rollers 25 are arranged to rotate 180° with the midpoint of the No. 2 adjustment frame 23 and the No. 2 top plate 27 as the symmetry axis;

[0030] The No. 2 top plate 27 forms a telescopic structure with the No. 2 adjusting frame 23 through the cylinder 26, and the bottom end of the No. 2 top plate 27 is fixedly connected to the bearing frame 24, the inner wall of the No. 2 top plate 27 is slidably connected to the sliding rod 28, and the bottom end of the No. 2 top plate 27 is provided with a return spring 29, and the return spring 29 forms a compression structure through the No. 2 top plate 27.

[0031] The specific implementation method is as follows: through the chain 20, straightening roller 25 and cylinder 26, the cylinder 26 is used to drive the straightening roller 25 set at the bottom end of the No. 2 top plate 27 and the straightening roller 25 installed on the inner bottom wall of the No. 2 adjusting frame 23 to adjust the distance, and the chain 20 drives the No. 2 adjusting frame 23 to rotate with the fixed sleeve 22 to complete the straightening of seamless steel pipes of different sizes, which solves the problem that the existing seamless steel pipe straightening device cannot ensure the uniform straightening of the outer wall of the seamless steel pipe, thereby facilitating the staff to uniformly straighten the outer wall of the seamless steel pipe, improving the uniformity of the staff to straighten the outer wall of the seamless steel pipe, and at the same time preventing the seamless steel pipe from tilting after the seamless steel pipe is straightened, thereby ensuring the accuracy of the seamless steel pipe straightening device in straightening the outer wall of the steel pipe.

[0032] Working principle: When using the seamless steel pipe straightening device, first place the seamless steel pipe to be straightened above the No. 1 conveying roller 4, and then start the No. 2 motor 6 set on the top of the No. 1 top plate 5. At this time, the No. 2 motor 6 drives the No. 1 transmission rod 7 to rotate, so that the No. 1 transmission rod 7 drives the fixed rod 9 to rotate synchronously through the two transmissions 8, thereby driving the four No. 1 bevel gears 11 to rotate through the two fixed rods 9, and then driving the No. 2 bevel gear 12 to rotate synchronously through the No. 1 bevel gear 11;

[0033] At this time, the No. 2 bevel gear 12 drives the threaded ring 13 fixed on the inner wall to rotate, so that the threaded ring 13 drives the threaded rod 14 connected to the inner wall thread to be raised and lowered, thereby driving the adjustment plate 15 to slide along the No. 1 adjustment frame 2 through the threaded rod 14, and then driving the spacing between the No. 2 conveying roller 16 and the No. 1 conveying roller 4 to be adjusted through the adjustment plate 15, completing the fitting of the No. 1 conveying roller 4 and the No. 2 conveying roller 16 with the seamless steel pipe. At this time, the No. 1 motor 3 is started, so that the No. 1 motor 3 drives the No. 1 conveying roller 4 to rotate, thereby conveying the seamless steel pipe through the No. 1 conveying roller 4, and then the seamless steel pipe is conveyed into the fixed sleeve 22 through the fixed sleeve 22;

[0034] At this time, the cylinder 26 arranged on the inner bottom wall of the No. 2 adjusting frame 23 is started, so that the cylinder 26 drives the No. 2 top plate 27 to rise and fall, thereby driving the No. 2 top plate 27 to slide along the slide bar 28, and then driving the No. 2 top plate 27 to compress the return spring 29, thereby driving the bearing frame 24 and the straightening roller 25 arranged on the outer wall of the No. 2 top plate 27 to rise and fall synchronously, thereby driving the spacing between the No. 2 top plate 27 and the No. 2 adjusting frame 23 to adjust, and completing the fitting of the No. 2 adjusting frame 23 and the straightening roller 25 arranged on the No. 2 top plate 27 with the seamless steel pipe;

[0035] At this time, the No. 3 motor 17 set on the inner bottom wall of the frame 1 is started, so that the No. 3 motor 17 drives the No. 2 transmission rod 18 to rotate, thereby driving the No. 2 sprocket 21 to rotate following the No. 1 sprocket 19 through the chain 20, and then driving the fixed sleeve 22 and the No. 2 adjusting frame 23 to rotate through the No. 2 sprocket 21. At this time, the No. 2 adjusting frame 23 rotates along the No. 1 adjusting frame 2 through the fixed sleeve 22, so that the No. 2 adjusting frame 23 cooperates with the bearing frame 24 and the straightening roller 25 set on the outer wall of the No. 2 top plate 27 to contact the outer wall of the seamless steel pipe, thereby completing the straightening of the outer wall of the seamless steel pipe.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A seamless steel pipe straightening device, comprising a frame (1), characterized in that: A No. 1 adjustment frame (2) is installed on the top of the frame (1), and a No. 1 motor (3) is arranged on the outer wall of the No. 1 adjustment frame (2), the output shaft of the No. 1 motor (3) is connected to a No. 1 conveying roller (4) through a coupling, a No. 1 top plate (5) is fixedly connected to the top of the No. 1 adjustment frame (2), and a No. 2 motor (6) is installed on the top of the No. 1 top plate (5), the output shaft of the No. 2 motor (6) is connected to a No. 1 transmission rod (7) through a coupling, and the outer wall of the No. 1 transmission rod (7) is connected to the No. 1 transmission roller (4) through a coupling. A transmission device (8) is arranged on the wall, a fixing rod (9) is arranged on the inner wall of the transmission device (8), and the outer wall of the fixing rod (9) is bearing-connected with a bearing plate (10), two ends of the fixing rod (9) are fixedly connected with a first bevel gear (11), and the outer wall of the first bevel gear (11) is meshingly connected with a second bevel gear (12), the inner wall of the second bevel gear (12) is fixedly connected with a threaded ring (13), and the inner wall of the threaded ring (13) is threadedly connected with a threaded rod (14); The other end of the threaded rod (14) is connected to an adjustment plate (15) by a bearing, and the inner wall of the adjustment plate (15) is connected to a second conveying roller (16) by a bearing, the inner bottom wall of the frame (1) is provided with a third motor (17), and the output shaft of the third motor (17) is connected to a second transmission rod (18) through a coupling, the outer wall of the second transmission rod (18) is fixedly connected to a first sprocket (19), and the outer wall of the first sprocket (19) is meshedly connected to a chain (20), and the inner wall of the chain (20) is A second sprocket (21) is meshedly connected, and the inner wall of the second sprocket (21) is fixedly connected to a fixed sleeve (22), the outer wall of the fixed sleeve (22) is fixedly connected to a second adjustment frame (23), and the inner bottom wall of the second adjustment frame (23) is provided with a bearing frame (24), the inner wall of the bearing frame (24) is bearing-connected to a straightening roller (25), the inner wall of the second adjustment frame (23) is fixedly connected to a cylinder (26), and the other end of the cylinder (26) is fixedly connected to a second top plate (27).

2. A seamless steel pipe straightening device according to claim 1, characterized in that: There are two No. 1 adjustment frames (2), and the two No. 1 adjustment frames (2) are symmetrically arranged with the mid-vertical line of the frame (1) as the symmetry axis. A slide groove is provided through the outer wall of the No. 1 adjustment frame (2), and an adjustment plate (15) is slidably connected to the outer wall of the slide groove. The inner wall of the adjustment plate (15) and the outer wall of the slide groove match each other in shape and size.

3. A seamless steel pipe straightening device according to claim 1, characterized in that: The fixed rod (9) forms a rotating structure with the first transmission rod (7) through the transmission device (8), and the first bevel gear (11) forms an integrated structure through the fixed rod (9), and the outer surfaces of the two first bevel gears (11) are meshedly connected with the second bevel gear (12), and the two second bevel gears (12) form an integrated rotating structure through the first bevel gear (11).

4. A seamless steel pipe straightening device according to claim 3, characterized in that: The threaded ring (13) forms a rotating structure through the second bevel gear (12), and a threaded hole is provided on the inner wall of the threaded ring (13). The threaded rod (14) forms a threaded lifting structure through the threaded hole provided on the inner wall of the threaded ring (13), and the adjustment plate (15) forms an integrated structure through the threaded rod (14).

5. The seamless steel pipe straightening device according to claim 1, characterized in that: The second sprocket (21) forms a rotating structure with the first sprocket (19) through the chain (20), and the fixed sleeve (22) forms an integrated rotating structure with the second sprocket (21), the outer wall bearing of the fixed sleeve (22) is connected to the first adjusting frame (2), and the second adjusting frame (23) forms a rotating structure with the first adjusting frame (2) through the fixed sleeve (22).

6. A seamless steel pipe straightening device according to claim 1, characterized in that: The straightening rollers (25) form a rotating structure through a bearing frame (24), and there are six straightening rollers (25), three straightening rollers (25) form a group, and two groups of straightening rollers (25) are arranged to rotate 180 degrees with the midpoint of the second adjustment frame (23) and the second top plate (27) as the symmetry axis.

7. A seamless steel pipe straightening device according to claim 1, characterized in that: The second top plate (27) forms a telescopic structure with the second adjustment frame (23) through the cylinder (26), and the bottom end of the second top plate (27) is fixedly connected to the bearing frame (24), the inner wall of the second top plate (27) is slidably connected to a sliding rod (28), and a return spring (29) is provided at the bottom end of the second top plate (27), and the return spring (29) forms a compression structure through the second top plate (27).

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