Straightening device for small-caliber steel pipe

Abstract

The utility model relates to a small-caliber steel pipe straightening device, and belongs to the technical field of steel pipe machining. The first straightening assembly and the second straightening assembly are used in cooperation, the deviation of the first straightening wheel is adjusted through the adjusting assembly according to the bending degree of the steel pipe, meanwhile, the rotating angle of the second straightening assembly is adjusted according to the bending direction of the steel pipe, and the deviation of the first straightening wheel is opposite to the bending direction of the steel pipe; therefore, radial straightening force in the opposite direction is provided for the bent steel pipe, adjustment is flexible, bending of the steel pipe can be effectively eliminated, the uniform and lasting straightening effect is provided, the straightness of the straightened steel pipe is ensured, the distance between the first straightening wheels is independently adjusted through the adjusting assembly, the straightening device can adapt to straightening operation of steel pipes with different diameters, and the straightening efficiency is improved. And the application range of the device is widened, the workload of operators is effectively reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of steel pipe processing, and particularly relates to a small-caliber steel pipe straightening device. BACKGROUND

[0002] In the steel pipe manufacturing industry, straightening is an important process link for ensuring the quality of steel pipes, and particularly for small-caliber steel pipes, the straightening precision directly affects the performance in the subsequent processing and use.

[0003] Traditional straightening devices often adopt a multi-roller or press type structure, and it is difficult to control the straightening force. Due to uneven distribution of rollers or pressure, the steel pipe is likely to be unevenly stressed when passing through the straightening device, so that the straightened steel pipe may still have a slight bending or deformation, the straightening effect is poor, and the quality and use performance of the steel pipe are affected. Secondly, many mechanical straightening devices can only straighten steel pipes of a specific diameter, and for steel pipes of different diameters, corresponding equipment needs to be replaced or straightening wheels need to be replaced, which not only increases the workload of the operator, but also reduces the production efficiency. SUMMARY

[0004] In order to overcome the problems in the background art that the traditional straightening device often adopts a multi-roller or press type structure, it is difficult to control the straightening force, the steel pipe is unevenly stressed when passing through the straightening device, the straightened steel pipe may still have a slight bending or deformation, the straightening effect is poor, and the quality and use performance of the steel pipe are affected, and secondly, many mechanical straightening devices can only straighten steel pipes of a specific diameter, and for steel pipes of different diameters, corresponding equipment needs to be replaced or straightening wheels need to be replaced, which not only increases the workload of the operator, but also reduces the production efficiency, the utility model provides a small-caliber steel pipe straightening device; through cooperation of the first straightening assembly and the second straightening assembly, according to the bending degree of the steel pipe, the deflection of the first straightening wheel is adjusted through the adjusting assembly, at the same time, the rotation angle of the second straightening assembly is adjusted according to the bending direction of the steel pipe, the deflection of the first straightening wheel is opposite to the bending direction of the steel pipe, so as to provide a reverse radial straightening force for the bent steel pipe, the adjustment is flexible, the bending of the steel pipe can be effectively eliminated, a uniform and persistent straightening effect is provided, the straightness of the straightened steel pipe is ensured, the spacing between the first straightening wheels is adjusted through the adjusting assembly, the straightening operation of steel pipes of different diameters can be adapted, the application range of the device is improved, the workload of the operator is effectively reduced, and the work efficiency is improved.

[0005] The utility model discloses a small -bore steel pipe straightening device mainly includes support platform, first straightening subassembly, second straightening subassembly, motor, support base, support plate, adjusting assembly, support base install on support platform, and support plate installs on the side wall of support base through bolt, and the coaxial round hole of all is seted up to support base and support plate, and the first straightening subassembly of adjustable rotation angle is installed to support plate, and the adjusting assembly of the steel pipe of suitable different diameter is installed to straightening subassembly, and second straightening subassembly installs on support platform, and is located first straightening subassembly side, and motor installs on support platform, and motor is connected with second straightening subassembly transmission, the first straightening subassembly includes worm wheel, worm, carousel, connecting plate, first straightening wheel, connecting sleeve, connecting shaft, first hand wheel, the adjusting assembly includes fixed block, adjusting screw, worm wheel one end installs connecting sleeve, and connecting sleeve installs on support plate through bearing, and worm installs on support plate through bearing seat and installs first hand wheel at end portion, and worm and worm wheel are mutually engaged, and worm wheel another end installs carousel, and the symmetrical setting of two groups connecting plates is installed on carousel, and the symmetrical opening of two groups U shape limit grooves is seted up to connecting plate, and two groups connecting shafts are installed vertically between the U shape limit groove of two groups connecting plates, and first straightening wheel installs on connecting shaft through bearing, and fixed block installs to connecting plate side end, and fixed block is located U shape limit groove opening, and adjusting screw is screw threadedly connected to fixed block, and adjusting screw end department passes through fixed block and is connected with connecting shaft fixedly.

[0006] The second straightening subassembly includes a mounting seat, a support, guide rails, a sliding block, a threaded rod, a second hand wheel, a second straightening wheel, a support shaft, and a transmission shaft.

[0007] The utility model discloses a small -bore steel pipe straightening device mainly includes support platform, first straightening subassembly, second straightening subassembly, motor, support base, support plate, adjusting assembly, support base install on support platform, and support plate installs on the side wall of support base through bolt, and the coaxial round hole of all is seted up to support base and support plate, and the first straightening subassembly of adjustable rotation angle is installed to support plate, and the adjusting assembly of the steel pipe of suitable different diameter is installed to straightening subassembly, and second straightening subassembly installs on support platform, and is located first straightening subassembly side, and motor installs on support platform, and motor is connected with second straightening subassembly transmission, the first straightening subassembly includes worm wheel, worm, carousel, connecting plate, first straightening wheel, connecting sleeve, connecting shaft, first hand wheel, the adjusting assembly includes fixed block, adjusting screw, worm wheel one end installs connecting sleeve, and connecting sleeve installs on support plate through bearing, and worm installs on support plate through bearing seat and installs first hand wheel at end portion, and worm and worm wheel are mutually engaged, and worm wheel another end installs carousel, and the symmetrical setting of two groups connecting plates is installed on carousel, and the symmetrical opening of two groups U shape limit grooves is seted up to connecting plate, and two groups connecting shafts are installed vertically between the U shape limit groove of two groups connecting plates, and first straightening wheel installs on connecting shaft through bearing, and fixed block installs to connecting plate side end, and fixed block is located U shape limit groove opening, and adjusting screw is screw threadedly connected to fixed block, and adjusting screw end department passes through fixed block and is connected with connecting shaft fixedly.

[0008] The utility model discloses a first straightening assembly and second straightening assembly cooperate, according to the bending degree of steel pipe, through the adjustment assembly to adjust the deflection of first straightening wheel, simultaneously, according to the bending direction of steel pipe to adjust the rotation angle of second straightening assembly, make the deflection of first straightening wheel and the bending direction of steel pipe be contrary, thereby provide the radial straightening force of opposite direction for the bent steel pipe, adjust nimble, can effectively eliminate the bending of steel pipe, provide uniform and lasting straightening effect, have guaranteed the straightness of steel pipe after straightening, through the adjustment assembly alone adjustment the interval between first straightening wheel, can adapt to the straightening operation of different diameter steel pipe, improved the application range of device, effectively reduced the workload of operator, improved work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the axonometric drawing of the utility model.

[0010] Figure 2 It is the second straightening assembly installation state three-dimensional schematic view.

[0011] Figure 3 It is Figure 1 The partial close-up view of A in Fig.

[0012] Figure 4 It is Figure 1 The partial close-up view of B in Fig.

[0013] Figure 5 It is the first straightening assembly installation state sectional view.

[0014] Figure 6 It is the first straightening assembly three-dimensional schematic view. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and beneficial effect of the utility model more clear, the preferred embodiment of the utility model will be explained in detail below, with the drawings, to facilitate the understanding of technical personnel.

[0016] The utility model discloses a small -bore steel pipe straightening device, one kind of small -bore steel pipe straightening device mainly includes support platform 1, first straightening subassembly 2, second straightening subassembly 3, motor 4, support seat 5, support plate 6, adjusting assembly 7, support seat 5 install on support platform 1, and support plate 6 is installed on the lateral wall of support seat 5 through bolt, and the coaxial round hole of support seat 5 and support plate 6 is all seted up, and the first straightening subassembly 2 of adjustable rotation angle is installed on support plate 6, and the adjusting assembly 7 of the steel pipe of different diameters is installed on the first straightening subassembly 2, second straightening subassembly 3 installs on support platform 1, and is located first straightening subassembly 2 side, and motor 4 installs on support platform 1, and motor 4 is connected with second straightening subassembly 3 transmission, the first straightening subassembly 2 includes worm wheel 201, worm 202, carousel 203, connecting plate 204, first straightening wheel 205, connecting sleeve 206, connecting shaft 207, first hand wheel 208, the adjusting assembly 7 includes fixed block 701, adjusting screw 702, the one end of worm wheel 201 is installed with connecting sleeve 206, and connecting sleeve 206 is installed on support plate 6 through bearing, and worm 202 is installed on support plate 6 through bearing seat and is installed with first hand wheel 208 at end, and worm 202 and worm wheel 201 are mutually engaged, and carousel 203 is installed on the other end of worm wheel 201, and two sets of connecting plate 204 are symmetrically arranged on carousel 203, and two sets of U-shaped limit slot 2041 are symmetrically seted up on connecting plate 204, and two sets of connecting shaft 207 are vertically installed between the U-shaped limit slot 2041 of two sets of connecting plate 204, and first straightening wheel 205 is installed on connecting shaft 207 through bearing, and fixed block 701 is installed on the side end of connecting plate 204, and fixed block 701 is located at the opening of U-shaped limit slot 2041, and adjusting screw 702 is threadedly connected on fixed block 701, and the end of adjusting screw 702 penetrates fixed block 701 and is fixedly connected with connecting shaft 207.

[0017] The operator operates second straightening subassembly 3, makes it with the steel pipe diameter to be straightened to match, can adapt to the straightening operation of different diameter steel pipes, improves the application range of the device, then, the position of connecting shaft 207 is adjusted through adjusting screw 702, thereby the interval and the deflection of first straightening wheel 205 are adjusted, the one end of the steel pipe to be straightened passes through second straightening subassembly 3 and extends to the limit passage between first straightening wheel 205, then, the operator rotates first hand wheel 208, further drives worm 202 to rotate, drives worm wheel 201 to rotate through worm 202, makes the deflection of first straightening wheel 205 opposite the bending direction of steel pipe, thereby provides the radial straightening force of opposite direction for the bent steel pipe, adjusts flexibly, can effectively eliminate the bending of steel pipe, provides uniform and persistent straightening effect, ensures the straightness of the steel pipe after straightening.

[0018] The second straightening assembly 3 comprises a mounting seat 301, a support 302, guide rails 303, a sliding block 304, a threaded rod 305, a second straightening wheel 307, a support shaft 308, a transmission shaft 309, the mounting seat 301 is mounted on the support table 1 through bolts, the transmission shaft 309 is mounted on the mounting seat 301 through bearings and is in driving connection with the motor 4, the second straightening wheel 307 is fixedly mounted at the end of the transmission shaft 309, the support 302 is mounted on the mounting seat 301, two groups of guide rails 303 are vertically mounted on the two sides of the support 302, the sliding block 304 is slidingly mounted on the guide rails 303, the support shaft 308 is mounted on the side of the sliding block 304, the second straightening wheel 307 that can freely rotate is mounted at the end of the support shaft 308, the threaded rod 305 is mounted at the top of the support 302, the bottom end of the threaded rod 305 is in threaded connection with the sliding block 304, and the top end is connected with the second hand wheel 306; the operator rotates the second hand wheel 306, further drives the threaded rod 305 to rotate, drives the sliding block 304 to move along the guide rails 303 through the threaded rod 305, thereby drives the support shaft 308 and the second straightening wheel 307 on the sliding block 304 to vertically move, matches the diameter of the steel pipe to be straightened, and positions the steel pipe to be straightened, can adapt to the straightening operation of steel pipes with different diameters, and improves the application range of the device.

[0019] Working process:

[0020] The operator rotates the second hand wheel 306, further drives the threaded rod 305 to rotate, drives the sliding block 304 to move along the guide rails 303 through the threaded rod 305, thereby drives the support shaft 308 and the second straightening wheel 307 on the sliding block 304 to vertically move, matches the diameter of the steel pipe to be straightened, and positions the steel pipe to be straightened, can adapt to the straightening operation of steel pipes with different diameters, and improves the application range of the device; then, the position of the connecting shaft 207 is adjusted through the adjusting screw 702, the spacing and the deflection of the first straightening wheel 205 are adjusted, one end of the steel pipe to be straightened is inserted into the limiting passage formed between the second straightening wheel 307 and extends to the limiting passage formed between the first straightening wheel 205, then the operator rotates the first hand wheel 208, further drives the worm 202 to rotate, drives the worm wheel 201 to rotate through the worm 202, so that the deflection of the first straightening wheel 205 is opposite to the bending direction of the steel pipe, thereby providing a reverse radial straightening force for the bent steel pipe, the adjustment is flexible, the bending of the steel pipe can be effectively eliminated, uniform and persistent straightening effect is provided, and the straightness of the straightened steel pipe is ensured; finally, the motor 4 is started, the steel pipe is driven to move through the motor 4, the work load of the operator is effectively reduced, and the work efficiency is improved.

[0021] Finally, it is explained that the above preferred embodiments are only used to illustrate the technical solutions of the present application and are not limited, although the present application has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present application.

Claims

1. A small-diameter steel pipe straightening device, characterized by: The small caliber steel pipe straightening device includes a support table (1), a first straightening assembly (2), a second straightening assembly (3), a motor (4), a support seat (5), a support plate (6), an adjusting assembly (7), the support seat (5) is installed on the support table (1), the support plate (6) is installed on the side wall of the support seat (5) through bolts, coaxial round holes are formed in the support seat (5) and the support plate (6), the first straightening assembly (2) with adjustable rotating angle is installed on the support plate (6), the adjusting assembly (7) suitable for steel pipes with different diameters is installed on the first straightening assembly (2); the second straightening assembly (3) is installed on the support table (1) and located on the side of the first straightening assembly (2), the motor (4) is installed on the support table (1) and in transmission connection with the second straightening assembly (3); the first straightening assembly (2) includes a worm wheel (201), a worm (202), a rotating disc (203), a connecting plate (204), a first straightening wheel (205), a connecting sleeve (206), a connecting shaft (207) and a first hand wheel (208), the adjusting assembly (7) includes a fixed block (701) and an adjusting screw (702), one end of the worm wheel (201) is provided with the connecting sleeve (206), the connecting sleeve (206) is installed on the support plate (6) through a bearing, the worm (202) is installed on the support plate (6) through a bearing seat and provided with the first hand wheel (208) at the end, the worm (202) and the worm wheel (201) are in meshing engagement, the other end of the worm wheel (201) is provided with the rotating disc (203), two groups of the connecting plates (204) are symmetrically arranged on the rotating disc (203), two groups of U-shaped limiting grooves (2041) are symmetrically formed in the connecting plates (204), two groups of the connecting shafts (207) are vertically installed between the U-shaped limiting grooves (2041) of the two groups of the connecting plates (204), the first straightening wheel (205) is installed on the connecting shaft (207) through a bearing, the connecting plate (204) is provided with the fixed block (701) at the side end, the fixed block (701) is located at the opening of the U-shaped limiting groove (2041), the adjusting screw (702) is threadedly connected with the fixed block (701) and fixedly connected with the connecting shaft (207) at the end.

2. The small-bore steel tube straightening device according to claim 1, characterized by: The second straightening assembly (3) comprises a mounting seat (301), a support (302), guide rails (303), a sliding block (304), a threaded rod (305), a second hand wheel (306), a second straightening wheel (307), a support shaft (308) and a transmission shaft (309), the mounting seat (301) is bolted on the support table (1), the transmission shaft (309) is mounted on the mounting seat (301) through bearings and is in transmission connection with the motor (4), the end of the transmission shaft (309) is fixedly provided with the second straightening wheel (307), the support (302) is mounted on the mounting seat (301), two groups of guide rails (303) are vertically mounted on the two sides of the support (302), the sliding block (304) is slidingly mounted on the guide rails (303), the support shaft (308) is mounted on the side of the sliding block (304), the end of the support shaft (308) is provided with the second straightening wheel (307) which can rotate freely, the threaded rod (305) is mounted at the top of the support (302), the bottom of the threaded rod (305) is in threaded connection with the sliding block (304), and the top is connected with the second hand wheel (306).

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