阅读说明：本技术 一种钢管生产用的钢管管身夹持定位机构 (Steel pipe body clamping and positioning mechanism for steel pipe production ) 是由 陈建峰 于 2021-09-30 设计创作，主要内容包括：本发明公开了一种钢管生产用的钢管管身夹持定位机构,包括置于加工平台上的固定板和与固定板固定连接的夹持装置,所述夹持装置为环形,所述夹持装置内开设有环形槽,所述环形槽内固定连接有环形壁,所述环形壁上转动连接有多个螺纹筒,多个所述螺纹筒周向设置,每个所述螺纹筒内通过螺纹转动连接有螺纹杆。本发明的优点在于,通过齿环一和齿轮一等结构可以让电机同时带动多个螺纹筒转动,以此使多个螺纹杆伸出从多个方位同时对管材进行夹持,在避免管材在夹持中受到损伤的同时,可以保证多个螺纹杆的夹持力度相同,整个装置的夹持效果更好,且适用于不同粗细的管材,使用起来方便快捷。(The invention discloses a steel pipe body clamping and positioning mechanism for steel pipe production, which comprises a fixed plate arranged on a processing platform and a clamping device fixedly connected with the fixed plate, wherein the clamping device is annular, an annular groove is formed in the clamping device, an annular wall is fixedly connected in the annular groove, a plurality of threaded cylinders are rotatably connected on the annular wall, the plurality of threaded cylinders are circumferentially arranged, and a threaded rod is rotatably connected in each threaded cylinder through threads. The pipe clamping device has the advantages that the motor can simultaneously drive the plurality of threaded cylinders to rotate through the first gear ring and the first gear and other structures, so that the plurality of threaded rods extend out from a plurality of directions to simultaneously clamp pipes, the pipes are prevented from being damaged in clamping, the clamping force of the plurality of threaded rods can be ensured to be the same, the clamping effect of the whole device is better, the pipe clamping device is suitable for pipes with different thicknesses, and the use is convenient and rapid.)

1. A steel pipe body clamping and positioning mechanism for steel pipe production comprises a fixing plate (2) arranged on a processing platform (1) and a clamping device (3) fixedly connected with the fixing plate (2), and is characterized in that the clamping device (3) is annular, an annular groove (4) is formed in the clamping device (3), an annular wall (6) is fixedly connected in the annular groove (4), a plurality of thread cylinders (7) are rotatably connected on the annular wall (6), the thread cylinders (7) are circumferentially arranged, a threaded rod (8) is rotatably connected in each thread cylinder (7) through threads, one end, far away from the thread cylinder (7), of each threaded rod (8) penetrates through the inner side wall of the annular groove (4) and extends into the inner ring of the clamping device (3), and one end, far away from the thread cylinder (7), of each threaded rod (8) is provided with a pressing plate (9), the side wall of the annular wall (6) is rotatably connected with a first toothed ring (5), a part, close to the first toothed ring (5), of the plurality of threaded cylinders (7) is fixedly connected with a first gear (10) meshed with the first toothed ring (5), a motor (11) is arranged between the annular wall (6) and the inner side wall of the annular groove (4), an output shaft of the motor (11) penetrates through the annular wall (6) and is fixedly connected with a second gear (12) meshed with the first toothed ring (5), each threaded rod (8) is internally of a hollow structure, one end, far away from the threaded cylinders (7), of the threaded rods (8) is connected with a polygonal block (13) in a sliding and sealing mode, the pressing plate (9) is fixedly connected with the polygonal block (13), one end, far away from the pressing plate (9), of the polygonal block (13) is connected with a piston block (15) through a pressure spring (14) in a clamping mode, one end, far away from the pressure spring (14), of the piston block (15) is rotatably connected with a threaded strip (16), the piston is characterized in that the threaded strip (16) is rotatably connected with the threaded rod (8) through threads, one end, far away from the piston block (15), of the threaded strip (16) is fixedly connected with a polygonal rod (17), the polygonal rod (17) penetrates through the threaded barrel (7) and the threaded rod (8), the inner side wall, close to the polygonal rods (17), of the annular groove (4) is rotatably connected with a gear III (18), the gear III (18) is provided with a polygonal groove matched with the polygonal rod (17), the polygonal rod (17) penetrates through the gear III (18) and the annular groove (4) through the polygonal groove, a gear ring II (19) meshed with the gear III (18) is rotatably connected with the annular groove (4), a buffer groove (22) is formed in the pressing plate (9), one end, far away from the polygonal block (13), of the pressing plate (9) is arc-shaped and is connected with an elastic pad (23) in a sealing manner, each polygonal block (13) is provided with two communicating pipes (24), a one-way valve is arranged in each communicating pipe (24), and magnetorheological fluid is also arranged in the buffer tank (22).

2. The steel pipe body clamping and positioning mechanism for steel pipe production according to claim 1, wherein one end of each polygonal block (13) close to the pressure spring (14) is fixedly connected with an electromagnetic coil cylinder (20), one end of each piston block (15) close to the pressure spring (14) is fixedly connected with a permanent magnet (21) matched with the electromagnetic coil cylinder (20), and magnetorheological fluid is arranged in a space between the piston block (15) and the polygonal block (13).

3. The steel pipe body clamping and positioning mechanism for steel pipe production according to claim 1, wherein a plurality of protective sleeves (25) are rotatably connected to the outer side wall of the clamping device (3) close to the plurality of polygonal rods (17), and the plurality of protective sleeves (25) are matched with the plurality of polygonal rods (17).

4. The steel pipe body clamping and positioning mechanism for steel pipe production according to claim 3, wherein a turntable (26) is fixedly connected to one of the protecting sleeves (25), and a handle (27) is fixedly connected to one end of the turntable (26) far away from the protecting sleeve (25).

Technical Field

The invention relates to the technical field of pipe machining, in particular to a steel pipe body clamping and positioning mechanism for steel pipe production.

Background

The pipe clamping and fixing device is simple and single in functionality, the pipe can be clamped, the size of the clamped pipe is limited, good clamping effect cannot be achieved on thicker pipes, the thicker pipes need to be clamped from multiple directions through a plurality of clamping plates, the steel pipe is easy to deform only by clamping from the upper direction or the lower direction or the left direction and the right direction in the prior art, and the clamping effect on the steel pipe is still poor if clamping force for clamping from multiple directions cannot be kept synchronous; meanwhile, the clamping force of the existing clamping device can be judged only by the hand feeling of workers, if the clamping force of the pipe is looser, the pipe is easy to fall off in the processing process, otherwise, if the clamping force is tighter, the pipe is easy to damage, so that the clamping force of the pipe is inconvenient to master; still make tubular product produce the vibration easily in tubular product course of working, if not carrying out the shock attenuation energy dissipation then arouse clamping device not hard up easily to tubular product, reduce the centre gripping dynamics of tubular product.

Therefore, a steel pipe body clamping and positioning mechanism for steel pipe production is provided to solve the problems.

Disclosure of Invention

The invention aims to solve the problems that the clamping effect of a pipe is poor, the force is not easy to control and the like in the prior art, and provides a steel pipe body clamping and positioning mechanism for steel pipe production.

In order to achieve the purpose, the invention adopts the following technical scheme:

a steel pipe body clamping and positioning mechanism for steel pipe production comprises a fixed plate and a clamping device, wherein the fixed plate is arranged on a processing platform, the clamping device is fixedly connected with the fixed plate, the clamping device is annular, an annular groove is formed in the clamping device, an annular wall is fixedly connected in the annular groove, a plurality of threaded cylinders are rotatably connected to the annular wall, the plurality of threaded cylinders are circumferentially arranged, a threaded rod is rotatably connected in each threaded cylinder through threads, one end, far away from the threaded cylinder, of each threaded rod penetrates through the inner side wall of the annular groove and extends into the inner ring of the clamping device, a pressing plate is arranged at one end, far away from the threaded cylinder, of each threaded rod, the side wall of the annular wall is rotatably connected with a first toothed ring, a part, close to the first toothed ring, of each threaded cylinder is fixedly connected with a first gear meshed with the first toothed ring, and a motor is arranged between the annular wall and the inner side wall of the annular groove, an output shaft of the motor penetrates through an annular wall and is fixedly connected with a second gear meshed with the first gear ring, the interior of each threaded rod is of a hollow structure, one end, far away from the threaded cylinder, of the interior of each threaded rod is connected with a polygonal block in a sliding and sealing mode, the press plate is fixedly connected with the polygonal block, one end, far away from the press plate, of the polygonal block is connected with a piston block through a pressure spring in a clamping mode, one end, far away from the pressure spring, of the piston block is connected with a threaded strip in a rotating mode, the threaded strip is connected with the threaded rods in a rotating mode through threads, one end, far away from the piston block, of the threaded strip is fixedly connected with a polygonal rod, the polygonal rod penetrates through the threaded cylinder and the threaded rods, a third gear is connected with the annular groove in a rotating mode, the inner side wall, close to the plurality of polygonal rods, of the annular grooves are matched with the third gear and the annular groove, the device comprises a pressure plate, a gear ring II meshed with a gear III is rotationally connected in the annular groove, a buffer groove is formed in the pressure plate, one end, away from the polygonal block, of the pressure plate is arc-shaped and is connected with an elastic cushion in a sealing mode, two communicating pipes are formed in each polygonal block, a one-way valve is arranged in each communicating pipe, and magnetorheological fluid is also arranged in the buffer groove.

Preferably, one end of each polygonal block, which is close to the pressure spring, is fixedly connected with an electromagnetic coil cylinder, one end of each piston block, which is close to the pressure spring, is fixedly connected with a permanent magnet matched with the electromagnetic coil cylinder, and magnetorheological fluid is arranged in a space between the piston block and the polygonal block.

Preferably, the outer side wall of the clamping device is rotatably connected with a plurality of protective sleeves close to the plurality of polygonal rods, and the plurality of protective sleeves are matched with the plurality of polygonal rods.

Preferably, one of the protective sleeves is fixedly connected with a rotary disc, and one end of the rotary disc, far away from the protective sleeve, is fixedly connected with a handle.

Compared with the prior art, the invention has the beneficial effects that:

1. the motor can simultaneously drive the plurality of thread cylinders to rotate through the first toothed ring structure and the first gear structure, so that the plurality of threaded rods extend out from a plurality of directions to simultaneously clamp the pipe, the pipe is prevented from being damaged in clamping, the clamping force of the plurality of threaded rods can be ensured to be the same, the clamping effect of the whole device is better, the device is suitable for pipes with different thicknesses, and the use is convenient and quick;

2. the pipe can be pre-clamped through the threaded rods and the pressing plates, the pipe is fixed, the polygonal block extrudes the pressing plates by utilizing the structures of the threaded strips, the pressure springs and the like, the extrusion pressure degree of the pressing plates on the pipe is increased, and the pressure springs deform when being extruded, so that a worker can judge the clamping force of the pressing plates according to the shrinkage of the polygonal rods, the worker can conveniently master the clamping force of the steel pipe, and the steel pipe is kept in a proper clamping force range;

3. can also cushion the energy dissipation to polygonal piece through compression spring, utilize magnetorheological suspensions to become high characteristic in the magnetic field viscosity coefficient and can improve the effect of energy dissipation to the clamp plate buffering, and the clamp plate can make the permanent magnet reciprocating motion in solenoid cylinder when the vibration to make solenoid cylinder produce the induction magnetic field that prevents the permanent magnet removal, further carry out the energy dissipation to the vibration of clamp plate with this, reduce the vibration that tubular product produced man-hour, improve the processing effect of tubular product, avoid clamping device to reduce the clamping-force in tubular product vibration.

Drawings

FIG. 1 is a schematic structural view of a steel pipe clamping and positioning mechanism for steel pipe production according to the present invention;

FIG. 2 is a schematic view of the internal structure of a clamping device in a steel tube clamping and positioning mechanism for steel tube production according to the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 1;

FIG. 4 is a schematic cross-sectional view of a steel pipe clamping and positioning mechanism for steel pipe production according to the present invention;

FIG. 5 is a schematic structural view of a threaded rod and a threaded cylinder in a steel tube clamping and positioning mechanism for steel tube production according to the present invention;

fig. 6 is a schematic view of the internal structure of a threaded cylinder in a steel pipe body clamping and positioning mechanism for steel pipe production according to the present invention.

In the figure: the device comprises a processing platform 1, a fixing plate 2, a clamping device 3, a 4-ring groove, a 5-ring gear I, a 6-ring wall, a 7-thread cylinder, an 8-threaded rod, a 9-pressing plate, a 10-gear I, a 11-motor, a 12-gear II, a 13-polygonal block, a 14-pressure spring, a 15-piston block, a 16-thread strip, a 17-polygonal rod, a 18-gear III, a 19-ring gear II, a 20-electromagnetic-coil cylinder, a 21-permanent magnet, a 22-buffer groove, a 23-elastic cushion, a 24-communicating pipe, a 25-protection cover, a 26-turntable and a 27-handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a steel pipe body clamping and positioning mechanism for steel pipe production comprises a fixed plate 2 arranged on a processing platform 1 and a clamping device 3 fixedly connected with the fixed plate 2, the clamping device 3 is annular, an annular groove 4 is formed in the clamping device 3, an annular wall 6 is fixedly connected in the annular groove 4, a plurality of threaded cylinders 7 are rotatably connected on the annular wall 6, the plurality of threaded cylinders 7 are circumferentially arranged, a threaded rod 8 is rotatably connected in each threaded cylinder 7 through threads, one end of each threaded rod 8, far away from the corresponding threaded cylinder 7, penetrates through the inner side wall of the annular groove 4 and extends into the inner ring of the clamping device 3, one end of each threaded rod 8, far away from the corresponding threaded cylinder 7, is provided with a pressing plate 9, the side wall of the annular wall 6 is rotatably connected with a toothed ring 5, a gear 10 meshed with the toothed ring 5 is fixedly connected to the part, close to the toothed ring 5, of the plurality of threaded cylinders 7, a motor 11 is arranged between the annular wall 6 and the inner side wall of the annular groove 4, an output shaft of the motor 11 penetrates through the annular wall 6 and is fixedly connected with a second gear 12 meshed with the first gear ring 5;

through the structures of the gear ring I5, the gear I10 and the like, the motor 11 can simultaneously drive the plurality of thread cylinders 7 to rotate, so that the plurality of threaded rods 8 extend out from a plurality of directions to simultaneously clamp the pipes, the pipes are prevented from being damaged in clamping, the clamping force of the plurality of threaded rods 8 can be ensured to be the same, the clamping effect of the whole device is better, the device is suitable for pipes with different thicknesses, and the use is convenient and quick;

the interior of each threaded rod 8 is of a hollow structure, one end of the interior of each threaded rod 8, far away from the threaded cylinder 7, is connected with a polygonal block 13 in a sliding and sealing mode, the press plate 9 is fixedly connected with the polygonal block 13, one end of the polygonal block 13, far away from the press plate 9, is connected with a piston block 15 in a clamping mode through a pressure spring 14, one end of the piston block 15, far away from the pressure spring 14, is connected with a threaded strip 16 in a rotating mode, the threaded strip 16 is connected with the threaded rod 8 in a rotating mode through threads, one end, far away from the piston block 15, of the threaded strip 16 is fixedly connected with a polygonal rod 17, the polygonal rod 17 penetrates through the threaded cylinders 7 and the threaded rods 8, the annular groove 4, close to the inner side wall of the polygonal rods 17, is connected with a gear III 18 in a rotating mode, the gear III 18 is provided with a polygonal groove matched with the polygonal rod 17, the polygonal rod 17 penetrates through the gear III 18 and the annular groove 4, and a gear ring II 19 meshed with the gear III 18 is rotatably connected in the annular groove 4;

the pipe can be clamped in advance through the threaded rods 8 and the pressing plate 9, the pipe is fixed, the polygonal block 13 extrudes the pressing plate 9 by utilizing the structures of the threaded strips 16, the pressure springs 14 and the like, the extrusion pressure of the pressing plate 9 on the pipe is increased, and the pressure springs 14 deform when being extruded, so that a worker can judge the clamping force of the pressing plate 9 according to the shrinkage of the polygonal rods 17, the worker can conveniently master the clamping force of the steel pipe, and the steel pipe is kept in a proper clamping force range;

an electromagnetic coil cylinder 20 is fixedly connected to one end of each polygonal block 13 close to the pressure spring 14, a permanent magnet 21 matched with the electromagnetic coil cylinder 20 is fixedly connected to one end of each piston block 15 close to the pressure spring 14, when the permanent magnet 21 reciprocates in the electromagnetic coil, the electromagnetic coil can generate induced current, and a magnetic field generated by the induced current always obstructs the change of magnetic flux causing the induced current, so that the magnetic field generated by the induced current obstructs the motion of the permanent magnet 21, magnetorheological fluid is arranged in a space between the piston block 15 and the polygonal block 13, and is a special suspension system formed by uniformly dispersing micron-sized magnetizable particles in specific carrier mother liquid and additives, under the action of an external magnetic field, the characteristic of non-Newtonian fluid is shown, the free-flowing liquid is changed into semisolid or even solid within millisecond time, and the strong controllable rheological characteristic is shown, therefore, the magnetorheological fluid has good viscosity under the action of the permanent magnet 21, the magnetorheological fluid can damp the vibration of the pressure plate 9, a buffer groove 22 is formed in the pressure plate 9, one end, far away from the polygonal block 13, of the pressure plate 9 is arc-shaped and is connected with an elastic cushion 23 in a sealing mode, each polygonal block 13 is provided with two communicating pipes 24, a one-way valve is arranged in each communicating pipe 24, the directions of the one-way valves in the two communicating pipes 24, which allow the liquid to flow, are opposite, and the magnetorheological fluid is also arranged in the buffer groove 22;

the polygonal block 13 can be buffered and energy-dissipated through the pressure spring 14, the buffering and energy-dissipating effect of the pressing plate 9 can be improved by utilizing the characteristic that the viscosity coefficient of magnetorheological fluid in a magnetic field is increased, and the pressing plate 9 can enable the permanent magnet 21 to reciprocate in the electromagnetic coil cylinder 20 when vibrating, so that the electromagnetic coil cylinder 20 generates an induction magnetic field for preventing the permanent magnet 21 from moving, the vibration of the pressing plate 9 is further dissipated, the vibration generated when a pipe is processed is reduced, the processing effect of the pipe is improved, and the clamping force of the clamping device 3 is prevented from being reduced in the vibration of the pipe;

the part that clamping device 3's lateral wall is close to a plurality of polygon poles 17 rotates and is connected with a plurality of lag 25, a plurality of lag 25 and a plurality of polygon pole 17 phase-matches, fixedly connected with carousel 26 on the lag 25, the one end fixedly connected with handle 27 of lag 25 is kept away from to carousel 26, lag 25 can set up the transparence, so that the staff observes clamping-force degree of clamping device 3, can make things convenient for the staff to rotate polygon pole 17 through handle 27 simultaneously, perhaps be connected lag 25 with drive arrangement, just do not need the manual work to carry out the centre gripping.

When the pipe is clamped, the pipe is stretched into the annular clamping device 3, the motor 11 is started, the output shaft of the motor 11 drives the first gear ring 5 to rotate through the second gear 12, the first gear ring 5 drives the first gears 10 to rotate, the first gears 10 drive the threaded cylinder 7 to rotate, the threaded rod 8 can move when the threaded cylinder 7 rotates, the threaded rod 8 drives the pressing plates 9 and other structures to approach the pipe until the plurality of pressing plates 9 clamp the pipe, the pressing plates 9 can be fixed with the clamping device 3 through the telescopic rods so as to prevent the threaded cylinder 7 from driving the threaded rod 8 to rotate, the pipe is pre-fixed by the plurality of pressing plates 9, then a worker rotates the rotary disc 26 through the handle 27, the rotary disc 26 drives the protective sleeve 25 to rotate, the protective sleeve 25 is matched with the polygonal rod 17, therefore, the protective sleeve 25 can drive the polygonal rod 17 to rotate, the polygonal rod 17 drives the threaded strip 16 to rotate so as to enable the threaded strip 16 to gradually move, the polygonal rod 17 can also slide in the protective sleeve 25, the threaded strip 16 drives the piston block 15 to compress the pressure spring 14, the pressure spring 14 applies equal pressure to the polygonal block 13 while contracting, the polygonal block 13 is firmly propped against the pipe through the pressure plate 9, and the pressure range of the pipe can be judged through the expansion amount of the pressure spring 14, so that a worker can easily judge the clamping force of the pipe when clamping the pipe, the pipe is kept in a proper clamping force range, and the worker can conveniently process the pipe;

the permanent magnet 21 extends into the electromagnetic coil cylinder 20 in the process of pressing down the pressure spring 14, if the pipe vibrates in the pipe machining process, the vibration can be dissipated through the pressure spring 14 and viscous magnetorheological fluid, the pipe drives the polygonal block 13 to vibrate, and meanwhile, the electromagnetic coil cylinder 20 and the permanent magnet 21 can reciprocate and move relatively, so that the electromagnetic coil cylinder 20 generates an induction electromagnetic field to prevent the permanent magnet 21 from moving, the vibration of the pipe is dissipated, meanwhile, the induction electromagnetic field can increase the viscosity of the magnetorheological fluid, the damping of the magnetorheological fluid is increased, and the damping and energy dissipation effects of the device are further improved;

when the piston block 15 extrudees the pressure spring 14, the magnetorheological suspensions inside the threaded rod 8 can enter the buffer groove 22 through the one-way valve inside the communicating pipe 24 to expand the elastic cushion 23, so that the extrusion area of the elastic cushion 23 and the pipe can be increased, the clamping effect of the plurality of pressing plates 9 on the pipe is improved, and when the pressure spring 14 is reset, the magnetorheological suspensions can be sucked into the threaded rod 8 from the one-way valve of the other communicating pipe 24.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.