CN114669600B - High-precision intelligent sizing mill for steel pipes - Google Patents
High-precision intelligent sizing mill for steel pipes Download PDFInfo
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- CN114669600B CN114669600B CN202210521684.4A CN202210521684A CN114669600B CN 114669600 B CN114669600 B CN 114669600B CN 202210521684 A CN202210521684 A CN 202210521684A CN 114669600 B CN114669600 B CN 114669600B
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- 238000004513 sizing Methods 0.000 title claims abstract description 108
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 88
- 239000010959 steel Substances 0.000 title claims abstract description 88
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 9
- 230000006978 adaptation Effects 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 6
- 108010066057 cabin-1 Proteins 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/06—Rolling hollow basic material, e.g. Assel mills
- B21B19/10—Finishing, e.g. smoothing, sizing, reeling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a high-precision intelligent sizing mill for steel pipes, which comprises a mill bin, wherein a seamless sizing mechanism is arranged in the mill bin and comprises a first Y-shaped seat, a first telescopic sleeve, a pressure sensor, a spring piece, a second Y-shaped seat, a second telescopic sleeve, a mounting plate, a bevel gear set, a second servo motor, a bidirectional screw rod, an internal thread pipe, an annular plate, a hinging rod, a guide wheel seat and a sizing roller; according to the invention, two groups of sizing systems can be formed in the mill bin through structural cooperation of the seamless sizing mechanism, the sizing rollers for sizing are promoted to be additionally arranged into six groups by utilizing the structural characteristics of the first Y-shaped seat and the second Y-shaped seat, and the six groups of sizing rollers are arranged in different directions, so that sizing attachment is carried out on the outer diameters of steel pipes with different cambered surfaces, the steel pipes are kept centered for rolling, and the sizing structure can be matched with sizing work of the steel pipes with various outer diameters through changing the sizing rollers with different cambered surfaces.
Description
Technical Field
The invention relates to the technical field of sizing mills, in particular to a high-precision intelligent sizing mill for steel pipes.
Background
The sizing, reducing and tension reducing process of the steel pipe is a continuous rolling process of the hollow body without a mandrel, the sizing aims to roll the steel pipe into a certain required dimensional precision and a true round steel pipe sizing, reducing and tension reducing process is a continuous rolling process of the hollow body without a mandrel under the conditions of smaller total reducing rate and small single reducing rate, the diameter deviation is smaller, the ellipticity is smaller, the straightness is better, and the sizing, reducing and tension reducing process of the surface light steel pipe is that the hollow body does not have a mandrel.
When the steel tube is positioned through the sizing mill roller, the roller with the adaptation model is required to be preset according to the positioning cambered surface of the outer diameter of the steel tube with the same model, but a plurality of groups of rollers are difficult to achieve synchronization during position adjustment, and the consumption of driving force can be increased by independent adjustment, so that the sizing precision of the steel tube is affected, the sizing quality of the steel tube is reduced, if the outer diameter model of the steel tube is large, the seamless fit between the positioning roller and the outer diameter of the steel tube is difficult to ensure, eccentric dislocation is easily caused when the steel tube is conveyed, the size precision of the sizing appearance of the steel tube and the rolling stability are further reduced, and when the steel tube is conveyed to generate offset, workers are difficult to know in time, and generally need to draw the steel tube again to correct and maintain the internal structure, the continuous operation progress of the device is affected, the maintenance work of the steel tube is more complicated and inconvenient, and the working efficiency of sizing is reduced.
Disclosure of Invention
The invention aims to provide a high-precision intelligent sizing mill for steel pipes, which aims to solve the related problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the intelligent sizing mill for the high-precision steel pipes comprises a mill bin, wherein a seamless sizing mechanism is arranged in the mill bin, the seamless sizing mechanism comprises a first Y-shaped seat, a first telescopic sleeve, a pressure sensor, an elastic sheet, a second Y-shaped seat, a second telescopic sleeve, a mounting plate, a bevel gear set, a second servo motor, a bidirectional screw rod, an internal thread pipe, an annular plate, a hinging rod, a guide wheel seat and sizing rollers, the first Y-shaped seat and the second Y-shaped seat are respectively arranged on two sides of the inside of the mill bin, the first Y-shaped seat is of a Y-shaped structure, the second Y-shaped seat is of an inverted Y-shaped structure, three groups of second telescopic sleeves are arranged on the inner sides of the first Y-shaped seat and the second Y-shaped seat, one side, close to each other, of the second telescopic sleeves on the same side is provided with the guide wheel seat, and the inner sides of the guide wheel seat are provided with sizing rollers;
the top of machine storehouse is equipped with the mounting groove, and the inside both sides and the top of mounting groove are equipped with two-way lead screw and second servo motor respectively, the intermediate position department in two-way lead screw outside and the output of second servo motor are equipped with the bevel gear group of intermeshing, the outside symmetry of two-way lead screw is equipped with the internal thread pipe of screw thread adaptation, two sets of the bottom of internal thread pipe is equipped with the annular slab that extends to the inside machine storehouse, two sets of one side that the annular slab kept away from each other articulates has three sets of articulated bars, and same side is three sets of articulated bars are articulated the adaptation with the guide pulley seat, first telescopic sleeve is installed to the intermediate position department at inside top of machine storehouse and bottom, two sets of the mounting panel is installed with the inboard a set of guide pulley seat fixed connection of first Y type seat and second Y type seat respectively to the mounting panel, two sets of the shell fragment is installed to the position department between the mounting panel is adjacent, and one side of mounting panel is equipped with pressure sensor, and pressure sensor and shell fragment mutually support.
Preferably, one side of the machine cabin is provided with a correction traction mechanism, the correction traction mechanism comprises an annular fixing groove, an annular opening, an annular guide groove, a gear, a first servo motor, an outer toothed ring, an arc guide plate, guide posts, springs and an arc ball plate, the annular opening is formed in the middle position of one side of the machine cabin, which is close to the second Y-shaped seat, the annular fixing groove is formed in the edge of one side of the machine cabin, the annular guide groove is formed in the inner side of the annular fixing groove, the outer toothed ring in sliding connection is arranged on the inner side of the annular guide groove, a first servo motor is arranged on one side of the top of the machine cabin, a gear meshed with the outer toothed ring is arranged at the output end of the first servo motor, four groups of arc guide plates are arranged on the inner side of the annular opening, four groups of guide posts are arranged on one side, which is close to each other, of the four groups of guide posts are provided with pulleys, and the pulleys are mutually matched with the arc guide plates.
Preferably, one side of the machine bin is provided with an elastic guide mechanism, the elastic guide mechanism comprises an inlet bin, guide wheels, a reset spring, an outer sleeve and an inner sleeve respectively, one side of the machine bin, which is close to the first Y-shaped seat, is provided with the inlet bin, the inner side of the inlet bin is uniformly provided with the outer sleeve, the inner sides of the outer sleeves are respectively provided with the reset spring and the inner sleeve, one side, which is close to the inner sleeve, of the inner sleeve is provided with the guide wheels, and the installation height of the guide wheels gradually and horizontally rises from outside to inside.
Preferably, the bottom of the machine cabin is provided with a guide groove, the inner side of the guide groove is symmetrically provided with a guide block matched in a sliding way, the guide block is fixedly connected with the annular plate, and both ends of the machine cabin are provided with cabin doors.
Preferably, the inner walls of the first Y-shaped seat and the second Y-shaped seat are provided with three groups of sliding grooves, the inner sides of the sliding grooves are provided with sliding blocks, and the sliding blocks are connected with the guide wheel seat.
Preferably, the two ends of the guide wheel seat on the same side are respectively provided with a shaft cover and a shaft cap, the shaft covers and the shaft caps are mutually matched with the sizing roller, the second telescopic sleeve on the same side, the guide wheel seat and the sizing roller are in the same vertical plane, and the six groups of the second telescopic sleeve, the guide wheel seat and the sizing roller are in different directions.
Preferably, the surfaces of the two groups of elastic sheets are provided with arc plates, the two groups of elastic sheets are positioned at the center of the inside of the bin, and the two groups of elastic sheets are respectively opposite to the horizontal plane at the axle center between the three sizing rollers at the same side.
Preferably, four groups of sleeves are arranged in the first telescopic sleeve, four groups of springs are arranged on the inner side of the sleeve, and four groups of guide posts are elastically connected with the springs and are in sliding fit with the sleeve.
Preferably, the four groups of arc ball plates are respectively formed by combining an arc seat and a plurality of groups of balls, and clamping surfaces among the four groups of arc ball plates are positioned at the axle center of the annular opening.
Preferably, one end of the front surface of the inlet bin is provided with a control panel, the inner side of the inlet bin is provided with a cross-shaped groove, and a plurality of groups of guide wheels, the outer sleeve and the inner sleeve are uniformly arranged on the inner side of the cross-shaped groove.
Compared with the prior art, the invention provides the intelligent sizing mill for the high-precision steel pipe, which has the following beneficial effects:
1. according to the invention, two groups of sizing systems can be formed in the mill bin through structural cooperation of the seamless sizing mechanism, the sizing rollers for sizing are increased to six groups by utilizing the structural characteristics of the first Y-shaped seat and the second Y-shaped seat, and the six groups of sizing rollers are arranged in different directions, so that sizing attachment is carried out on the outer diameters of steel pipes with different cambered surfaces, the steel pipes are kept centered for rolling, and the three groups of sizing rollers on the inner sides of the first Y-shaped seat and the second Y-shaped seat are synchronously displaced by replacing the sizing rollers with different cambered surfaces, so that expansion and contraction adjustment of the outer diameter types of different steel pipes is realized, the sizing structure can adapt to sizing work of steel pipes with various outer diameters, the adjustment is simple, convenient and quick, independent starting of a plurality of driving forces is abandoned, and the sizing precision of steel pipes with different types is greatly enhanced.
2. According to the invention, the seamless sizing mechanism is utilized to synchronously adjust six groups of sizing rollers, sizing work of steel pipes with different outer diameters can be provided, and when the six groups of sizing rollers are unfolded or folded, the mounting plates and the sizing rollers can be synchronously lifted up and down under the mutual connection of the two groups of mounting plates and the two groups of guide wheel seats, so that the elastic sheets between the two groups of mounting plates are enabled to be matched with the steel pipes with different outer diameters, at the moment, when the steel pipes enter a mill bin, the elastic stress compression of the elastic sheet pair is enabled to be contacted with the pressure sensor to carry out pressure detection, the conveying of the steel pipes after sizing can be observed in real time, and the stability and the intelligent detection effect of the steel pipes during sizing rolling operation are further ensured, so that whether the conveying position of the steel pipes is eccentric or misplacement phenomenon is timely known, and the maintenance efficiency of the device is increased.
3. According to the invention, through the structural cooperation of the elastic guide mechanism, the steel pipe can be automatically positioned in an auxiliary manner when being imported, the end head of the steel pipe is easier to extend into the axle center of the three sizing rollers at the inner sides of the first Y-shaped seat and the second Y-shaped seat, the sizing accuracy of the steel pipe is improved, and by utilizing the structural cooperation of the correction traction mechanism, when the two groups of elastic sheets and the pressure sensor sense the deflection and dislocation phenomenon of the conveyed steel pipe, the four groups of guide posts and the arc ball plates can be mutually close to forcedly correct the position of the steel pipe, the steel pipe with eccentric dislocation is conveyed in the middle, the stop is not needed, the continuous sizing processing of the device is ensured, and the staff can know that the sizing structure has errors at the first time, so that maintenance work is timely carried out.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a side view of an annular retaining groove of the present invention;
FIG. 4 is a side view of a first Y-shaped seat of the present invention;
FIG. 5 is a side view of a second Y-shaped seat of the present invention;
FIG. 6 is a side view of the annular plate of the present invention;
FIG. 7 is a side view of the inlet bin of the present invention;
fig. 8 is a side view of the spring plate of the present invention.
In the figure: 1. a machine cabin; 2. correcting the traction mechanism; 21. an annular fixing groove; 22. an annular mouth; 23. an annular guide groove; 24. a gear; 25. a first servo motor; 26. an outer toothed ring; 27. an arc-shaped guide plate; 28. a guide post; 29. a spring; 210. an arc ball plate; 3. a seamless sizing mechanism; 31. a first Y-shaped seat; 32. a first telescopic sleeve; 33. a pressure sensor; 34. a spring plate; 35. a second Y-shaped seat; 36. a second telescopic sleeve; 37. a mounting plate; 38. a bevel gear set; 39. a second servo motor; 310. a two-way screw rod; 311. an internally threaded tube; 312. an annular plate; 313. a hinge rod; 314. a guide wheel seat; 315. sizing rollers; 4. an elastic guide mechanism; 41. an inlet bin; 42. a guide wheel; 43. a return spring; 44. an outer sleeve; 45. an inner sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the intelligent sizing mill for the high-precision steel pipe comprises a mill bin 1, wherein a seamless sizing mechanism 3 is arranged in the mill bin 1, the seamless sizing mechanism 3 respectively comprises a first Y-shaped seat 31, a first telescopic sleeve 32, a pressure sensor 33, a spring piece 34, a second Y-shaped seat 35, a second telescopic sleeve 36, a mounting plate 37, a bevel gear set 38, a second servo motor 39, a bidirectional screw rod 310, an internal thread tube 311, an annular plate 312, a hinging rod 313, a guide wheel seat 314 and sizing rollers 315, the first Y-shaped seat 31 and the second Y-shaped seat 35 are respectively arranged on two sides in the mill bin 1, the first Y-shaped seat 31 is of a Y-shaped structure, the second Y-shaped seat 35 is of an inverted Y-shaped structure, three groups of second telescopic sleeves 36 are arranged on the inner sides of the first Y-shaped seat 31 and the second Y-shaped seat 35, one side of the three groups of second telescopic sleeves 36, which are close to each other, is provided with a guide wheel seat 314, and the inner side of the three groups of guide wheel seats 314 on the same side is provided with sizing rollers 315;
the top of the machine cabin 1 is provided with a mounting groove, two sides and the top in the mounting groove are respectively provided with a bidirectional screw rod 310 and a second servo motor 39, the middle position of the outer side of the bidirectional screw rod 310 and the output end of the second servo motor 39 are provided with a bevel gear set 38 meshed with each other, the outer side of the bidirectional screw rod 310 is symmetrically provided with an internal thread pipe 311 matched with threads, the bottoms of the two internal thread pipes 311 are provided with annular plates 312 extending to the interior of the machine cabin 1, one sides of the two annular plates 312, which are far away from each other, are hinged with three groups of hinging rods 313, the hinging rods 313 on the same side are hinged with guide wheel seats 314, the middle positions of the top and the bottom in the machine cabin 1 are provided with first telescopic sleeves 32, the ports of the two groups of first telescopic sleeves 32 are respectively fixedly connected with one group of guide wheel seats 314 on the inner sides of the first Y-shaped seat 31 and the second Y-shaped seat 35, the positions between the two groups of mounting plates 37 are provided with elastic pieces 34, one side of the two groups of mounting plates 37 are provided with pressure sensors 33, and the pressure sensors 33 are matched with the elastic pieces 34.
As a preferable scheme of the present embodiment: one side of the machine bin 1 is provided with a correcting traction mechanism 2, the correcting traction mechanism 2 comprises an annular fixing groove 21, an annular opening 22, an annular guide groove 23, a gear 24, a first servo motor 25, an outer tooth ring 26, an arc guide plate 27, guide posts 28, springs 29 and an arc ball plate 210, the annular opening 22 is formed in the middle position of one side of the machine bin 1, close to the second Y-shaped seat 35, of the machine bin 1, the annular fixing groove 21 is arranged at the edge of one side of the machine bin 1, the annular guide groove 23 is arranged at the inner side of the annular fixing groove 21, an outer tooth ring 26 in sliding connection is arranged at the inner side of the annular guide groove 23, a first servo motor 25 is arranged at one side of the top of the machine bin 1, a gear 24 meshed with the outer tooth ring 26 is arranged at the output end of the first servo motor 25, four groups of arc guide plates 27 are arranged at the inner side of the outer tooth ring 26, four groups of guide posts 28 and springs 29 are sleeved inside the annular opening 22, the arc ball plate 210 is arranged at one side, the four groups of guide posts 28 are mutually close to one side of the arc ball plate 210, and the pulley wheels are arranged at one side of the four groups of the guide posts 28 are mutually far away, and the pulley wheels are mutually matched with the arc guide plates 27.
As a preferable scheme of the present embodiment: one side of the machine bin 1 is provided with an elastic guide mechanism 4, the elastic guide mechanism 4 comprises an inlet bin 41, a guide wheel 42, a return spring 43, an outer sleeve 44 and an inner sleeve 45, one side of the machine bin 1, which is close to the first Y-shaped seat 31, is provided with the inlet bin 41, the inner sides of the inlet bin 41 are uniformly provided with the outer sleeves 44, the inner sides of the outer sleeves 44 are respectively provided with the return spring 43 and the inner sleeve 45, one side, which is close to each other, of the inner sleeves 45 is provided with the guide wheel 42, and the installation height of the guide wheel 42 gradually and horizontally rises from outside to inside.
As a preferable scheme of the present embodiment: the bottom of the machine bin 1 is provided with a guide groove, the inner side of the guide groove is symmetrically provided with a guide block matched in a sliding way, the guide block is fixedly connected with the annular plate 312, two ends of the machine bin 1 are provided with bin gates, the bin gates are convenient to open, and the inner sizing structure is disassembled, assembled and overhauled.
As a preferable scheme of the present embodiment: the inner walls of the first Y-shaped seat 31 and the second Y-shaped seat 35 are provided with three groups of sliding grooves, the inner sides of the sliding grooves are provided with sliding blocks, the sliding blocks are connected with the guide wheel seat 314, and the expansion and contraction displacement of the guide wheel seat 314 is more stable through the limit fit of the sliding grooves and the sliding blocks.
As a preferable scheme of the present embodiment: the two ends of the three groups of guide wheel seats 314 on the same side are respectively provided with a shaft cover and a shaft cap, the shaft covers and the shaft caps are mutually matched with the sizing rollers 315, the three groups of second telescopic sleeves 36 on the same side, the guide wheel seats 314 and the sizing rollers 315 are in the same vertical plane, the six groups of second telescopic sleeves 36, the guide wheel seats 314 and the sizing rollers 315 are in different directions, and the sizing rollers 315 with different models can be conveniently replaced through the matching of the shaft covers and the shaft caps.
As a preferable scheme of the present embodiment: the surfaces of the two groups of elastic pieces 34 are provided with arc plates, the two groups of elastic pieces 34 are positioned at the center of the inside of the bin 1, the two groups of elastic pieces 34 are respectively opposite to the horizontal plane at the axle center between the three groups of sizing rollers 315 at the same side, so that the elastic pieces 34 can be extruded by steel pipes during conveying, the steel pipes with consistent axle centers can be subjected to pressure detection, and the sizing quality of the steel pipes is improved.
As a preferable scheme of the present embodiment: four groups of sleeves are arranged in the first telescopic sleeve 32, four groups of springs 29 are arranged on the inner side of the sleeve, four groups of guide posts 28 are elastically connected with the springs 29 and are matched with the sleeve in a sliding manner, the guide posts 28 can be elastically displaced in the sleeve through limiting of the sleeve to the guide posts 28, and then the guide posts 28 drive the arc-shaped ball plates 210 to clamp and position the steel pipes.
As a preferable scheme of the present embodiment: the four groups of arc ball boards 210 are respectively formed by combining an arc seat and a plurality of groups of balls, the clamping surfaces among the four groups of arc ball boards 210 are positioned at the axle center of the annular opening 22, and the steel pipe can be positioned centrally by utilizing the joint limit of the arc seat and the steel pipe and is contacted with the steel pipe through the balls, so that the steel pipe is assisted in conveying.
As a preferable scheme of the present embodiment: the front one end of import storehouse 41 is equipped with control panel, and the inboard of import storehouse 41 is equipped with the cross groove, and multiunit leading wheel 42 and outer tube 44 and interior sleeve pipe 45 are evenly installed in the inboard of cross groove, and the structure cooperation in usable cross groove lets the steel pipe fix a position in the middle under the traction of multiunit leading wheel 42, improves the sizing precision of steel pipe.
In embodiment 1, as shown in fig. 1-3, when the steel pipe is conveyed in the cabin 1 to generate eccentric dislocation, the pressure sensing of the two groups of elastic sheets 34 and the pressure sensor 33 is uneven, so as to judge that the currently conveyed steel pipe is deviated, at this time, the first servo motor 25 can be automatically started to drive the gear 24 to rotate, then the gear 24 and the outer tooth ring 26 are meshed with each other, the outer tooth ring 26 is forced to rotate in a ring shape under the guidance of the annular guide groove 23, then the four groups of arc guide plates 27 on the inner wall are pressed against the guide posts 28 through the rotation of the outer tooth ring 26, the four groups of guide posts 28 are forced to drive the springs 29 to elastically compress and synchronously retract inwards, so that the steel pipes of different types are jointed and limited, a clamping system can be formed, the steel pipes with eccentric dislocation are forcedly corrected, then the steel pipes of the group of steel pipes are normally subjected to sizing processing operation through the ball guidance on the surfaces of the arc ball plates 210, after the eccentric steel pipe processing, the cabin 1 can be beaten to maintain the sizing structure with internal dislocation, the sizing structure, defects of the steel pipes are avoided, the occurrence of defects in the processing of the dislocation is reduced, and the rejection rate is improved.
In embodiment 2, as shown in fig. 1-2 and fig. 7, when the steel pipe performs sizing operation, firstly, the steel pipe is introduced from the inlet bin 41, and the ends of the steel pipe are contacted with the plurality of groups of guide wheels 42, at this time, the guide wheels 42 adapt to the ends of the steel pipe with different sizes and guide and convey the ends by elastic expansion and contraction of the inner sleeve 45, the outer sleeve 44 and the return spring 43, and the steel pipe can be pulled at the axle center between the three groups of sizing rollers 315 on the inner side surfaces of the first Y-shaped seat 31 and the second Y-shaped seat 35 in an auxiliary manner by using a gradual lifting system of the plurality of groups of guide wheels 42 from outside to inside.
In embodiment 3, as shown in fig. 4-5, six sizing rollers 315 and the outer diameter of the steel pipe can be sized seamlessly through the Y-shaped and inverted Y-shaped structures of the first Y-shaped seat 31 and the second Y-shaped seat 35, and the sizing rollers 315 with cambered surfaces of different types can be replaced conveniently through the shaft cover and the shaft cap arranged on the guide wheel seat 314, so that sizing processing of the steel pipes with different outer diameters is realized, and consumption of driving force is reduced and adjustment precision is increased through synchronous adjustment of the six sizing rollers 315.
Working principle: when the steel pipe is sized, sizing rollers 315 used for corresponding types of steel pipes can be arranged, the sizing rollers 315 are arranged on the inner sides of guide wheel bases 314 so as to be convenient for dismounting sizing rollers 315 with multiple types of cambered surfaces, when the steel pipe is sized, the steel pipe enters a machine cabin 1, at the moment, the conical gear sets 38 are driven to be meshed in a structure through the starting of the second servo motor 39, the conical gear sets 38 are forced to drive the bidirectional screw rods 310 to rotate, at the moment, along with the rotation of the bidirectional screw rods 310, two groups of internally threaded pipes 311 which are in threaded fit are separated from each other, the internally threaded pipes 311 drive annular plates 312 to move horizontally, then two groups of annular plates 312 drive hinging rods 313 to drag three groups of guide wheel bases 314 on the inner sides of the first Y-shaped base 31 and the second Y-shaped base 35 synchronously, the guide wheel bases 314 are lifted and regulated under the limit of the second telescopic sleeve 36, and the three groups of sizing rollers on the inner sides of the first Y-shaped base 31 and the second Y-shaped base 35 are further expanded and contracted outwards, the six groups of sizing rollers 315 are finally regulated according to the steel pipe with different types of steel pipes, and the six groups of cambered surfaces are attached to the outer diameters of the steel pipe 315, so that seamless conveying precision and the seamless stability are realized;
through the interconnection of the two groups of mounting plates 37 and the first telescopic sleeve 32 with the group of guide wheel bases 314 in the vertical state of the inner side surfaces of the first Y-shaped base 31 and the second Y-shaped base 35, the six groups of guide wheel bases 314 and the sizing rollers 315 can be unfolded and contracted to be adjusted, the two groups of mounting plates 37 can be synchronously lifted and adjusted along with the sizing rollers 315, when a steel pipe passes through the axle center points of the first Y-shaped base 31 and the second Y-shaped base 35, the steel pipe can pass through the two groups of elastic sheets 34 and is extruded, the elastic sheets 34 are enabled to be in compression contact with the pressure sensor 33 to carry out pressure detection, and accordingly the device can carry out sizing conveying on the steel pipe while intelligently monitoring the sizing pressure of the steel pipe in real time.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and that the simple modification and equivalent substitution of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a high accuracy steel pipe intelligence sizing mill, includes quick-witted storehouse (1), its characterized in that: the inside of the machine cabin (1) is provided with a seamless sizing mechanism (3), the seamless sizing mechanism (3) respectively comprises a first Y-shaped seat (31), a first telescopic sleeve (32), a pressure sensor (33), an elastic sheet (34), a second Y-shaped seat (35), a second telescopic sleeve (36), a mounting plate (37), a bevel gear group (38), a second servo motor (39), a bidirectional screw rod (310), an internal thread pipe (311), an annular plate (312), a hinging rod (313), a guide wheel seat (314) and sizing rollers (315), the first Y-shaped seat (31) and the second Y-shaped seat (35) are respectively installed on two sides of the inside of the machine cabin (1), the first Y-shaped seat (31) is of a Y-shaped structure, the inner sides of the first Y-shaped seat (31) and the second Y-shaped seat (35) are respectively provided with three groups of second telescopic sleeves (36), one side, close to each other, of the inner sides of the second telescopic sleeves (36) are provided with guide wheel seats (314), and the other side of the second telescopic sleeves (36) are provided with sizing rollers (315);
the top of machine storehouse (1) is equipped with the mounting groove, and the inside both sides of mounting groove are equipped with two-way lead screw (310), and the top is equipped with second servo motor (39), the intermediate position department in two-way lead screw (310) outside and the output of second servo motor (39) are equipped with intermeshing's bevel gear group (38), the outside symmetry cover of two-way lead screw (310) is equipped with internal thread pipe (311) of screw adaptation, two sets of internal thread pipe (311) the bottom is equipped with and extends to annular plate (312) inside machine storehouse (1), two sets of annular plate (312) one side that keeps away from each other articulates there are three sets of articulated pole (313), same side three sets of articulated pole (313) are articulated adaptation with guide pulley seat (314), the intermediate position department at the inside top of machine storehouse (1) and bottom installs first telescopic tube (32), two sets of mounting panel (37) are installed with the inboard annular plate (312) of first Y type seat (31) and second Y type seat (35) respectively, and two sets of pressure sensor (37) are equipped with between the guide pulley (33) and the position of mounting panel (33) are installed to one side sensor (34).
2. The intelligent sizing mill for high-precision steel pipes as claimed in claim 1, wherein: one side of the machine cabin (1) is provided with a correction traction mechanism (2), the correction traction mechanism (2) comprises an annular fixed groove (21), an annular opening (22), an annular guide groove (23), a gear (24), a first servo motor (25), an outer gear ring (26), an arc guide plate (27), guide posts (28), springs (29) and an arc ball plate (210), the middle position of one side of the machine cabin (1) close to a second Y-shaped seat (35) is provided with the annular opening (22), the edge of one side of the machine cabin (1) is provided with the annular fixed groove (21), the inner side of the annular fixed groove (21) is provided with the annular guide groove (23), the inner side of the annular guide groove (23) is provided with an outer gear ring (26) which is in sliding connection, one side of the top of the machine cabin (1) is provided with the first servo motor (25), the output end of the first servo motor (25) is provided with the gear (24) which is meshed with the outer gear ring (26), the inner side of the outer gear ring (26) is provided with four groups of arc guide plates (27), the inner side of the annular guide plate (22) is sleeved with four groups of guide posts (28) which are far away from the guide posts (28) and the four groups of the guide posts (28) are arranged on one side of the guide posts (28), and the pulley is mutually matched with the arc-shaped guide plate (27).
3. The intelligent sizing mill for high-precision steel pipes as claimed in claim 1, wherein: one side of machine storehouse (1) is equipped with elastic guide mechanism (4), and elastic guide mechanism (4) are equipped with leading wheel (42) including import storehouse (41), leading wheel (42), reset spring (43), outer tube (44) and interior sleeve pipe (45) respectively, one side that machine storehouse (1) is close to first Y type seat (31) is equipped with import storehouse (41), the inboard of import storehouse (41) evenly installs outer tube (44), multiunit the inboard of outer tube (44) is equipped with reset spring (43) and interior sleeve pipe (45) respectively, multiunit one side that interior sleeve pipe (45) are close to each other is equipped with leading wheel (42), and the installation height of leading wheel (42) that is located the lower part is from outside to inside to rise gradually the level.
4. The intelligent sizing mill for high-precision steel pipes as claimed in claim 1, wherein: the bottom of the machine cabin (1) is provided with a guide groove, the inner side of the guide groove is symmetrically provided with guide blocks matched in a sliding way, the guide blocks are fixedly connected with the annular plates (312), and both ends of the machine cabin (1) are provided with cabin doors.
5. The intelligent sizing mill for high-precision steel pipes as claimed in claim 1, wherein: three groups of sliding grooves are formed in the inner walls of the first Y-shaped seat (31) and the second Y-shaped seat (35), sliding blocks are arranged on the inner sides of the sliding grooves, and the sliding blocks are connected with the guide wheel seat (314).
6. The intelligent sizing mill for high-precision steel pipes as claimed in claim 1, wherein: the three groups of the same side are respectively provided with a shaft cover and a shaft cap at two ends of the guide wheel seat (314), the shaft covers and the shaft caps are mutually matched with the sizing roller (315), the three groups of the same side are provided with the second telescopic sleeve (36), the guide wheel seat (314) and the sizing roller (315) in the same vertical plane, and the six groups of the second telescopic sleeve (36), the guide wheel seat (314) and the sizing roller (315) in different directions.
7. The intelligent sizing mill for high-precision steel pipes as claimed in claim 1, wherein: the surfaces of the two groups of elastic pieces (34) are provided with arc plates, the two groups of elastic pieces (34) are positioned at the center of the inside of the machine bin (1), and the two groups of elastic pieces (34) are respectively opposite to the horizontal plane at the axle center between the three sizing rollers (315) at the same side.
8. The intelligent sizing mill for high-precision steel pipes as claimed in claim 2, wherein: the four groups of arc ball plates (210) are respectively formed by combining an arc seat and a plurality of groups of balls, and clamping surfaces among the four groups of arc ball plates (210) are positioned at the axle center of the annular opening (22).
9. A high precision steel pipe intelligent sizing mill according to claim 3, characterized in that: the front end of the inlet bin (41) is provided with a control panel, the inner side of the inlet bin (41) is provided with a cross-shaped groove, and a plurality of groups of guide wheels (42), outer sleeves (44) and inner sleeves (45) are uniformly arranged on the inner side of the cross-shaped groove.
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| CN202210521684.4A CN114669600B (en) | 2022-05-13 | 2022-05-13 | High-precision intelligent sizing mill for steel pipes |
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| CN202210521684.4A CN114669600B (en) | 2022-05-13 | 2022-05-13 | High-precision intelligent sizing mill for steel pipes |
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| CN114669600B true CN114669600B (en) | 2023-11-28 |
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| JP2002035812A (en) * | 2000-07-31 | 2002-02-05 | Kawasaki Steel Corp | Method for rolling raw tube for seamless steel tube manufacture |
| JP2005138142A (en) * | 2003-11-06 | 2005-06-02 | Sumitomo Metal Ind Ltd | Method for sizing metallic tube |
| CN101085452A (en) * | 2006-06-08 | 2007-12-12 | 天津钢管集团有限公司 | Producing technique for steel pipe cool sizing |
| CN102343364A (en) * | 2010-08-03 | 2012-02-08 | 扬州龙川钢管有限公司 | Three-roller rotary sizing mill |
| CN102397878A (en) * | 2011-07-26 | 2012-04-04 | 太原通泽重工有限公司 | Triple-roller fixed reducing set capable of quickly changing roller rack |
| CN214391624U (en) * | 2021-02-06 | 2021-10-15 | 青岛齐悦塑料模具有限公司 | Novel vacuum tube sizing sleeve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010052084B3 (en) * | 2010-11-16 | 2012-02-16 | V&M Deutschland Gmbh | Process for the economic production of seamless hot-rolled tubes in continuous tube rolling mills |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002035812A (en) * | 2000-07-31 | 2002-02-05 | Kawasaki Steel Corp | Method for rolling raw tube for seamless steel tube manufacture |
| JP2005138142A (en) * | 2003-11-06 | 2005-06-02 | Sumitomo Metal Ind Ltd | Method for sizing metallic tube |
| CN101085452A (en) * | 2006-06-08 | 2007-12-12 | 天津钢管集团有限公司 | Producing technique for steel pipe cool sizing |
| CN102343364A (en) * | 2010-08-03 | 2012-02-08 | 扬州龙川钢管有限公司 | Three-roller rotary sizing mill |
| CN102397878A (en) * | 2011-07-26 | 2012-04-04 | 太原通泽重工有限公司 | Triple-roller fixed reducing set capable of quickly changing roller rack |
| CN214391624U (en) * | 2021-02-06 | 2021-10-15 | 青岛齐悦塑料模具有限公司 | Novel vacuum tube sizing sleeve |
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| CN114669600A (en) | 2022-06-28 |
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