CN112589155A - Side jacking device of double-roller rolling mill - Google Patents

Side jacking device of double-roller rolling mill Download PDF

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Publication number
CN112589155A
CN112589155A CN202011349955.XA CN202011349955A CN112589155A CN 112589155 A CN112589155 A CN 112589155A CN 202011349955 A CN202011349955 A CN 202011349955A CN 112589155 A CN112589155 A CN 112589155A
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China
Prior art keywords
side top
roller
rolling mill
main shaft
plate
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CN202011349955.XA
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Chinese (zh)
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CN112589155B (en
Inventor
朱华明
郑玉坤
邱树生
周毅军
贺霞
肖林平
兰昌飞
阙忠泳
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Guangzhou Zhongshan Precision Technology Co Ltd
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Guangzhou Zhongshan Precision Technology Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/04—Work clamping means using fluid means or a vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Grinding (AREA)

Abstract

The invention discloses a double-roller rolling mill side jacking device which comprises an upper roller assembly, a lower roller assembly, a right side jacking mechanism and a left side jacking mechanism, wherein the right side jacking mechanism and the left side jacking mechanism are identical in structure; the device is at rolling in-process, and two roll rotational speeds can be forced unanimously to the side kicking roll, and two-layer side kicking roll corresponds top roll or lower roll separately about adopting, has solved rolling in-process rolling mill vibrations problem, and the device simple structure, the cost of manufacture is low, adjusts convenient and reliably, only needs the locking counterpoint once, just can last work.

Description

Side jacking device of double-roller rolling mill
Technical Field
The invention relates to the field of rolling equipment, in particular to a side jacking device of a double-roller rolling mill.
Background
The existing two-roller rolling mill generally adopts the flat roller to roll, and has no over-high requirement on the axial float of the main shaft, and the device can play a certain role in preventing the main shaft from moving, but when the two-roller rolling mill is used for rolling by opening a concave-convex model cavity on a roller, the device is difficult to adjust the centering alignment of the high-precision cavity rolling, so that the friction between the cavities and even the cavity surface extrusion burst are easy, and when the device is used for rolling at different speeds of the two rollers, the rolling mill can regularly vibrate when rolling due to the different speeds in the rolling process, and the defects seriously affect the production quality, the production efficiency and the production cost.
Disclosure of Invention
The invention aims to provide a side jacking device of a double-roller rolling mill, wherein an upper side jacking roller and a lower side jacking roller can smoothly rotate around a main shaft of the side jacking roller while respectively clinging to an upper roller and a lower roller, so that the upper side jacking roller and the lower side jacking roller not only solve the axial movement problem and the centering alignment problem of the main shaft of an upper roller assembly and a lower roller assembly, but also can rotate along with the rotation of the rollers without generating any additional side effect; the device adopts upper and lower two layers of side top rollers, and as the outer diameter sizes of the upper roller and the lower roller in the processing process cannot be ensured to be consistent and the process requirements are that the rolling speeds of the upper roller and the lower roller are inconsistent under specific occasions, the side top rollers are adopted, and because the rotating speeds of the two rollers are inconsistent, the rotating speeds of the two rollers are forced to be consistent by the side top rollers in the rolling process, so that the upper and lower two layers of side top rollers can vibrate regularly in the rolling process, and the problem of vibration of a rolling mill in the rolling process is solved by adopting the upper and lower two layers of side top rollers to respectively correspond to the upper roller or the lower roller; the device has simple structure, low manufacturing cost and convenient and reliable adjustment, can continuously work only by locking and aligning once, and solves the technical problem that the production quality, the production efficiency and the production cost are seriously influenced because the rolling mill regularly shakes due to different speeds when the traditional rolling mill rolls;
the side top roller main shaft is placed on the inner side of a fixed seat of the perforating device and is positioned between a first clamping plate and a second clamping plate, the clamping plate is driven by a clamping cylinder to move towards one side of the second clamping plate, the side top roller main shaft is fixed by the first clamping plate and the second clamping plate, the jacking cylinder is started, the jacking cylinder drives a top plate to ascend, the top plate is abutted to the bottom surface of a connecting end, and the side top roller main shaft is kept fixed; the rotary plate is driven to rotate by the rotary motor, the rotary plate drives each fixing seat to rotate and drives the side top roller main shaft to rotate, so that the connecting end is aligned with the drill bit, the drilling motor drives the drill bit to rotate, the moving cylinder drives the drilling motor to move, and the drill bit is driven to drill one of the connecting ends; the side top roller main shaft can be perforated continuously, batch production can be carried out on the side top roller main shafts, the production efficiency is high, and the technical problem of low production efficiency of the traditional side top roller main shaft is solved.
The purpose of the invention can be realized by the following technical scheme:
a side jacking device of a double-roller rolling mill comprises an upper roller assembly, a lower roller assembly, a right side jacking mechanism and a left side jacking mechanism, wherein the upper roller assembly comprises an upper rolling mill main shaft and an upper roller, the upper roller is fixedly arranged on the upper rolling mill main shaft, two rolling mill bearings are arranged on the upper rolling mill main shaft and are respectively positioned at two sides of the upper roller, the lower roller assembly comprises a lower rolling mill main shaft and a lower roller, the lower roller is fixedly arranged on the lower rolling mill main shaft, the lower rolling mill main shaft is also provided with two rolling mill bearings, the middle part of the outer peripheral surface of the upper roller is fixedly connected with an annular bulge, and the middle part of the outer peripheral surface of the lower roller is provided with a cavity matched with the annular bulge;
the right side ejection mechanism and the left side ejection mechanism are positioned between an upper rolling mill main shaft and a lower rolling mill main shaft and are symmetrically distributed, the right side ejection mechanism and the left side ejection mechanism are identical in structure and comprise fixed sliding plates, installation support plates are slidably installed on the fixed sliding plates in the horizontal direction, a side ejection roller main shaft is fixedly installed at one end of each installation support plate, a locking plate is fixedly installed at one end of each installation support plate through bolts, the side ejection roller main shaft is fixedly installed on the installation support plates through the locking plates and is vertically arranged, two ball bearings are sleeved on the side ejection roller main shaft, an upper ejection roller and a lower ejection roller are fixedly installed on the outer sides of the two ball bearings respectively, an inner hexagon bolt is transversely arranged at the other end of each installation support plate, one end of the inner hexagon bolt is rotatably connected with the installation support plates, the inner hexagon bolt is in threaded connection with the bolt positioning plate, the bolt positioning plate is fixedly connected with an external rolling mill, the inner hexagon bolt is in threaded connection with a locking nut, and one side of the locking nut is tightly attached to one side of the bolt positioning plate.
Further, annular grooves are formed in opposite surfaces of the upper side top roller and the lower side top roller, and needle roller bearings are installed between the two annular grooves.
Furthermore, the peripheral surfaces of the upper side top roller and the lower side top roller in the right side top mechanism are respectively tightly attached to one end surfaces of the upper roller and the lower roller, and the peripheral surfaces of the upper side top roller and the lower side top roller in the left side top mechanism are respectively tightly attached to the other end surfaces of the upper roller and the lower roller.
Further, fixed mounting has spacing ring and solid fixed ring on the last rolling mill main shaft, gu fixed ring passes through bolt and last rolling mill main shaft fixed connection, the top roll is located between corresponding spacing ring and the solid fixed ring, the both sides of top roll respectively with the spacing ring and the solid fixed ring butt that correspond, also fixed mounting has spacing ring and solid fixed ring on the lower rolling mill main shaft, the lower rolling mill main shaft is located between the spacing ring and the solid fixed ring that correspond, the both sides of lower roll respectively with the spacing ring and the solid fixed ring butt that correspond.
Further, the side top roller main shaft comprises a trunk, the two ends of the trunk are fixedly connected with connecting ends, bolt holes are formed in one side of each connecting end, and the middle of the outer peripheral surface of the trunk is fixedly connected with a fixing ring.
Further, the working method of the device specifically comprises the following steps:
the inner hexagon bolt of the right side jacking mechanism is rotated, the inner hexagon bolt moves along the horizontal direction and pushes the mounting support plate to slide on the fixed sliding plate, simultaneously driving the upper side top roller and the lower side top roller to respectively slide until the upper side top roller and the lower side top roller are tightly attached to the end surface of one end of the upper roller and the end surface of one end of the lower roller, and rotating the locking nut to enable one end of the locking nut to be abutted to the bolt positioning plate, fixing the inner hexagon bolts, fixing the mounting support plate, fixing the tight attaching positions of the upper side top roller and the lower side top roller, repeating the steps, enabling the upper side top roller and the lower side top roller in the left side top mechanism to respectively slide until the upper side top roller and the lower side top roller are tightly attached to the other end face of the upper roller and the other end face of the lower roller, respectively driving the upper roller and the lower roller to rotate while rotating by the upper roller main shaft and the lower roller main shaft, and respectively driving the upper side top roller and the lower side top roller tightly attached to the upper roller and the lower roller to rotate while rotating.
Further, the machining method of the side top roller spindle specifically comprises the following steps:
the method comprises the following steps that firstly, a side top roller main shaft is placed on the inner side of a fixed seat of a hole forming device and is located between a first clamping plate and a second clamping plate, a clamping cylinder is started, the clamping cylinder drives the clamping plates to move towards one sides of the second clamping plate, the side top roller main shaft is fixed through the first clamping plate and the second clamping plate, a jacking cylinder is started, the jacking cylinder drives a top plate to ascend, the top plate is enabled to be abutted against the bottom surface of a connecting end, and the side top roller main shaft is enabled to be fixed;
step two, starting a rotating motor, driving a rotating plate to rotate by the rotating motor, driving each fixing seat to rotate by the rotating plate, driving the main shaft of each side top roller to rotate, aligning the connecting end with the drill bit, driving the drill bit to rotate by a hole forming motor, driving the hole forming motor to move by a moving cylinder, and driving the drill bit to form a hole on one connecting end;
and step three, starting the turnover motor, driving the cylinder seat to rotate by the turnover motor, driving the clamping plate to rotate, enabling the main shaft of the side top roller to turn over by one hundred eighty degrees, repeating the steps, and drilling the other connecting end.
Further, the hole forming device comprises a base, a supporting seat is fixedly mounted on the base, a pad seat is fixedly mounted at the top of the supporting seat, a movable air cylinder is fixedly mounted at the top of the pad seat, a hole forming motor is slidably mounted at the top of the pad seat, the end part of an output rod of the movable air cylinder is fixedly connected with the hole forming motor, a drill bit is fixedly mounted at the end part of an output shaft of the hole forming motor, a rotating plate is horizontally arranged above the base and rotatably mounted at the top of the outer peripheral surface of the supporting seat, a plurality of fixing seats are fixedly mounted on the rotating plate and are distributed in an annular shape with equal radian, a rotating motor is fixedly mounted on the base, a first gear is fixedly mounted at the end part of the output shaft of the rotating motor, a second gear is fixedly mounted at the bottom of the rotating;
the improved lifting mechanism is characterized in that a cylinder seat is rotatably mounted on the inner wall of one side of the fixing seat, a clamping cylinder is fixedly mounted on the cylinder seat, a first clamping plate is fixedly mounted at the end part of an output rod of the clamping cylinder, a second clamping plate is rotatably mounted on the inner wall of the other side of the fixing seat, a turnover motor is fixedly mounted on the outer wall of one side of the fixing seat, the end part of an output shaft of the turnover motor is fixedly connected with the cylinder seat, a jacking cylinder is fixedly mounted on the inner wall of the lower side of the fixing seat, and a.
The invention has the beneficial effects that:
the upper side top roller and the lower side top roller can smoothly rotate around the main shaft of the side top roller while respectively clinging to the upper roller and the lower roller, so that the upper side top roller and the lower side top roller not only solve the axial movement problem and the centering alignment problem of the main shaft of the upper roller assembly and the lower roller assembly, but also can rotate along with the rotation of the rollers without generating any additional side effect; the device adopts upper and lower two layers of side top rollers, and as the outer diameter sizes of the upper roller and the lower roller in the processing process cannot be ensured to be consistent and the process requirements are that the rolling speeds of the upper roller and the lower roller are inconsistent under specific occasions, the side top rollers are adopted, and because the rotating speeds of the two rollers are inconsistent, the rotating speeds of the two rollers are forced to be consistent by the side top rollers in the rolling process, so that the upper and lower two layers of side top rollers can vibrate regularly in the rolling process, and the problem of vibration of a rolling mill in the rolling process is solved by adopting the upper and lower two layers of side top rollers to respectively correspond to the upper roller or the lower roller; the device has the advantages that the structure is simple, the manufacturing cost is low, the adjustment is convenient and reliable, the continuous work can be realized only by locking and aligning once, the upper roller and the lower roller can be accurately centered and aligned by arranging the cavity matched with the annular bulge on the lower roller, and the risk of friction and even extrusion and burst on the cavity surface is avoided;
the side top roller main shaft is placed on the inner side of a fixed seat of the perforating device and is positioned between a first clamping plate and a second clamping plate, the clamping plate is driven by a clamping cylinder to move towards one side of the second clamping plate, the side top roller main shaft is fixed by the first clamping plate and the second clamping plate, the jacking cylinder is started, the jacking cylinder drives a top plate to ascend, the top plate is abutted to the bottom surface of a connecting end, and the side top roller main shaft is kept fixed; the rotary plate is driven to rotate by the rotary motor, the rotary plate drives each fixing seat to rotate and drives the side top roller main shaft to rotate, so that the connecting end is aligned with the drill bit, the drilling motor drives the drill bit to rotate, the moving cylinder drives the drilling motor to move, and the drill bit is driven to drill one of the connecting ends; the side top roller main shaft can be holed at a high speed, the stability of the side top roller main shaft during hole forming is good, the hole forming precision is guaranteed, the hole forming device can continuously hole a plurality of side top roller main shafts, batch production can be carried out on the side top roller main shafts, and the production efficiency is high.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a double rolling mill side top assembly of the present invention;
FIG. 2 is a schematic structural view of a right side roof mechanism of the present invention;
FIG. 3 is a schematic view of the structure of the hole-forming device of the present invention;
FIG. 4 is an internal structural view of the fixing base of the present invention;
fig. 5 is an internal structural view of the main shaft of the side top roll of the present invention.
In the figure: 1. an upper roll assembly; 2. a lower roll assembly; 3. a right side jacking mechanism; 4. a left side jacking mechanism; 5. a rolling mill bearing; 6. feeding a main shaft of a rolling mill; 7. an upper roller; 8. a lower roller; 9. an upper side top roller; 10. a lower side top roller; 11. a needle bearing; 12. a ball bearing; 13. a position locking plate; 14. a side top roller main shaft; 141. a trunk; 142. a connecting end; 143. a spacer ring; 15. mounting a support plate; 16. fixing the sliding plate; 17. a bolt positioning plate; 18. a hexagon socket head cap screw; 19. locking the nut; 20. a main shaft of a lower rolling mill; 21. a limiting ring; 22. a fixing ring; 23. a base; 24. a supporting seat; 25. rotating the plate; 26. rotating the motor; 27. a pad seat; 28. a moving cylinder; 29. a tapping motor; 30. a drill bit; 31. a fixed seat; 32. a cylinder block; 33. a clamping cylinder; 34. a first clamping plate; 35. turning over a motor; 36. a second clamping plate; 37. jacking a cylinder; 38. a top plate; 39. an annular projection; 40. a mold cavity.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, a double rolling mill side top device comprises an upper rolling mill assembly 1, a lower rolling mill assembly 2, a right side top mechanism 3 and a left side top mechanism 4, wherein the upper rolling mill assembly 1 comprises an upper rolling mill main shaft 6 and an upper rolling mill 7, the upper rolling mill 7 is fixedly installed on the upper rolling mill main shaft 6, two rolling mill bearings 5 are installed on the upper rolling mill main shaft 6, the two rolling mill bearings 5 are respectively positioned at two sides of the upper rolling mill 7, the lower rolling mill assembly 2 comprises a lower rolling mill main shaft 20 and a lower rolling mill 8, the lower rolling mill 8 is fixedly installed on the lower rolling mill main shaft 20, and the lower rolling mill main shaft 20 is also provided with the two rolling mill bearings 5;
the right side top mechanism 3 and the left side top mechanism 4 are positioned between an upper rolling mill main shaft 6 and a lower rolling mill main shaft 20, the right side top mechanism 3 and the left side top mechanism 4 are symmetrically distributed, the right side top mechanism 3 and the left side top mechanism 4 have the same structure, the right side top mechanism 3 comprises a fixed sliding plate 16, an installation support plate 15 is slidably installed on the fixed sliding plate 16 along the horizontal direction, a side top roller main shaft 14 is fixedly installed at one end of the installation support plate 15, a locking plate 13 is fixedly installed at one end of the installation support plate 15 through a bolt, the side top roller main shaft 14 is fixedly installed on the installation support plate 15 through the locking plate 13, the side top roller main shaft 14 is vertically arranged, two ball bearings 12 are sleeved on the side top roller main shaft 14, and an upper side top roller 9 and a lower side top roller 10 are respectively and fixedly installed at the outer sides of the two ball bearings 12, the other end of installation support plate 15 transversely is provided with hexagon socket head cap screw 18, hexagon socket head cap screw 18's one end and installation support plate 15 rotate to be connected, hexagon socket head cap screw 18 and bolt positioning board 17 threaded connection, bolt positioning board 17 and outside rolling mill fixed connection, threaded connection has lock nut 19 on the hexagon socket head cap screw 18, one side of lock nut 19 and one side of bolt positioning board 17 closely laminate.
The middle part of the outer peripheral surface of the upper roller 7 is fixedly connected with an annular bulge 39, and the middle part of the outer peripheral surface of the lower roller 8 is provided with a cavity 40 matched with the annular bulge 39.
And annular grooves are formed in the opposite surfaces of the upper side top roller 9 and the lower side top roller 10, and a needle bearing 11 is arranged between the two annular grooves.
The peripheral surfaces of the upper side top roller 9 and the lower side top roller 10 in the right side top mechanism 3 are respectively attached to one end surfaces of the upper roller 7 and the lower roller 8, and the peripheral surfaces of the upper side top roller 9 and the lower side top roller 10 in the left side top mechanism 4 are respectively attached to the other end surfaces of the upper roller 7 and the lower roller 8.
Go up fixed mounting and have spacing ring 21 and solid fixed ring 22 on rolling mill main shaft 6, gu fixed ring 22 passes through bolt and 6 fixed connection of last rolling mill main shaft, top roll 7 is located between corresponding spacing ring 21 and the solid fixed ring 22, the both sides of top roll 7 respectively with the spacing ring 21 and the solid fixed ring 22 butt that correspond, also fixed mounting has spacing ring 21 and solid fixed ring 22 on rolling mill main shaft 20 down, bottom mill main shaft 20 is located between corresponding spacing ring 21 and the solid fixed ring 22, the both sides of bottom roll 8 respectively with corresponding spacing ring 21 and solid fixed ring 22 butt.
The side top roller main shaft 14 includes a trunk 141, the connecting ends 142 are fixedly connected to both ends of the trunk 141, bolt holes are formed in one sides of the two connecting ends 142, and the fixing ring 22 is fixedly connected to the middle of the outer peripheral surface of the trunk 141.
The working method of the device specifically comprises the following steps:
rotating the hexagon socket head cap screw 18 of the right side top mechanism 3, the hexagon socket head cap screw 18 moves along the horizontal direction, and pushing the mounting support plate 15 to slide on the fixed sliding plate 16, and simultaneously driving the upper side top roller 9 and the lower side top roller 10 to slide respectively until the upper side top roller 7 end surface and the lower side top roller 8 end surface are attached tightly, and rotating the locking nut 19, so that one end of the locking nut 19 is abutted against the bolt positioning plate 17, fixing the hexagon socket head cap screw 18, and fixing the mounting support plate 15, so that the attaching positions of the upper side top roller 9 and the lower side top roller 10 are fixed, repeating the above steps, so that the upper side top roller 9 and the lower side top roller 10 in the left side top mechanism 4 slide respectively until the upper roller 7 end surface and the lower roller 8 end surface are attached tightly, the upper roller 7 and the lower roller 8 are driven to rotate respectively while the upper roller spindle 6 and the lower roller spindle 20 rotate, and the upper roller 7 and the lower roller 8 drive the upper side top roller 9 and the lower roller 10 attached tightly and the lower And (4) rotating.
The machining method of the side top roller spindle 14 specifically comprises the following steps:
step one, placing the side top roller spindle 14 on the inner side of a fixed seat 31 of a hole forming device, enabling the side top roller spindle 14 to be located between a first clamping plate 34 and a second clamping plate 36, starting a clamping cylinder 33, enabling the clamping cylinder 33 to drive the first clamping plate 34 to move towards one side of the second clamping plate 36, fixing the side top roller spindle 14 through the first clamping plate 34 and the second clamping plate 36, starting a jacking cylinder 37, enabling the jacking cylinder 37 to drive a top plate 38 to ascend, enabling the top plate 38 to abut against the bottom surface of a connecting end 142, and enabling the side top roller spindle 14 to be kept fixed;
step two, starting the rotating motor 26, driving the rotating plate 25 to rotate by the rotating motor 26, driving each fixed seat 31 to rotate by the rotating plate 25, driving the side top roller main shaft 14 to rotate, aligning the connecting end 142 with the drill bit 30, driving the drill bit 30 to rotate by the tapping motor 29, driving the tapping motor 29 to move by the moving cylinder 28, and driving the drill bit 30 to tap one connecting end 142;
and step three, starting the overturning motor 35, driving the air cylinder seat 32 to rotate by the overturning motor 35, driving the first clamping plate 34 to rotate, enabling the side top roller spindle 14 to overturn by one hundred eighty degrees, repeating the steps, and drilling the other connecting end 142.
The punching device comprises a base 23, a supporting seat 24 is fixedly mounted on the base 23, a pad 27 is fixedly mounted at the top of the supporting seat 24, a movable cylinder 28 is fixedly mounted at the top of the pad 27, a punching motor 29 is slidably mounted at the top of the pad 27, the end part of an output rod of the movable cylinder 28 is fixedly connected with the punching motor 29, a drill bit 30 is fixedly mounted at the end part of an output shaft of the punching motor 29, a rotating plate 25 is horizontally arranged above the base 23, the rotating plate 25 is rotatably mounted at the top of the outer peripheral surface of the supporting seat 24, a plurality of fixing seats 31 are fixedly mounted on the rotating plate 25, the plurality of fixing seats 31 are distributed in an annular shape with equal radian, a rotating motor 26 is fixedly mounted on the base 23, a first gear is fixedly mounted at the end part of the output shaft of the rotating motor 26, and a second gear, the first gear is meshed with the second gear;
the inner wall of one side of the fixing seat 31 is rotatably provided with a cylinder seat 32, the cylinder seat 32 is fixedly provided with a clamping cylinder 33, the end part of an output rod of the clamping cylinder 33 is fixedly provided with a first clamping plate 34, the inner wall of the other side of the fixing seat 31 is rotatably provided with a second clamping plate 36, the outer wall of one side of the fixing seat 31 is fixedly provided with a turnover motor 35, the end part of an output shaft of the turnover motor 35 is fixedly connected with the cylinder seat 32, the inner wall of the lower side of the fixing seat 31 is fixedly provided with a jacking cylinder 37, and the top end of the output rod of the jacking cylinder.
The inner arc surface of the second clamping plate 36 is matched with the outer peripheral surface of the trunk 141 and the outer peripheral surface of the spacing ring 143, and the first clamping plate 34 is matched with the outer peripheral surface, the upper end surface and the lower end surface of the trunk 141.
The upper top roller 9 and the lower top roller 10 can smoothly rotate around the main shaft 14 of the side top roller while respectively clinging to the upper roller 7 and the lower roller 8, so that the upper top roller 9 and the lower top roller 10 not only solve the axial movement problem and the centering alignment problem of the main shafts of the upper roller assembly 1 and the lower roller assembly 2, but also can rotate along with the rotation of the rollers without generating any additional side effect in the rolling process; the device adopts upper and lower two layers of side top rollers, and because the outer diameter sizes of the upper roller 7 and the lower roller 8 cannot be ensured to be consistent in the processing process and the process requirement is that the rolling speeds of the upper roller 7 and the lower roller 8 are inconsistent in a specific occasion, the side top rollers are adopted in one layer, and because the rotating speeds of the two rollers are inconsistent, the rotating speeds of the two rollers are forced to be consistent by the side top rollers in the rolling process, so that the two rollers can vibrate regularly in the rolling process, and the upper and lower two layers of side top rollers are respectively corresponding to the upper roller 7 or the lower roller 8, so that the problem of vibration of a rolling mill in the rolling process is solved; the device has the advantages that the structure is simple, the manufacturing cost is low, the adjustment is convenient and reliable, the continuous work can be realized only by locking and aligning once, the upper roller 7 and the lower roller 8 can be accurately centered and aligned by arranging the cavity 40 matched with the annular bulge 39 on the lower roller 8, and the risk of friction and even extrusion and burst on the cavity surface is avoided;
according to the invention, the side top roller spindle 14 is placed on the inner side of the fixed seat 31 of the hole forming device, the side top roller spindle 14 is positioned between the first clamping plate 34 and the second clamping plate 36, the first clamping plate 34 is driven to move to one side of the second clamping plate 36 through the clamping cylinder 33, the side top roller spindle 14 is fixed through the first clamping plate 34 and the second clamping plate 36, the jacking cylinder 37 is started, the jacking cylinder 37 drives the top plate 38 to ascend, the top plate 38 is abutted to the bottom surface of the connecting end 142, and the side top roller spindle 14 is kept fixed; the rotating plate 25 is driven to rotate by the rotating motor 26, the rotating plate 25 drives each fixed seat 31 to rotate and drives the side top roller main shaft 14 to rotate, so that the connecting end 142 is aligned with the drill bit 30, the drill bit 30 is driven to rotate by the perforating motor 29, the perforating motor 29 is driven to move by the moving cylinder 28, and the drill bit 30 is driven to perforate one connecting end 142; the cylinder seat 32 is driven to rotate by the overturning motor 35, the first clamping plate 34 is driven to rotate, the side top roller main shaft 14 is overturned by one hundred eighty degrees, and the other connecting end 142 is drilled.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (8)

1. The double-roller rolling mill side jacking device is characterized by comprising an upper roller assembly (1), a lower roller assembly (2), a right side jacking mechanism (3) and a left side jacking mechanism (4), wherein the upper roller assembly (1) comprises an upper rolling mill main shaft (6) and an upper roller (7), the upper roller (7) is fixedly arranged on the upper rolling mill main shaft (6), the upper rolling mill main shaft (6) is provided with two rolling mill bearings (5), the two rolling mill bearings (5) are respectively positioned at two sides of the upper roller (7), the lower roller assembly (2) comprises a lower rolling mill main shaft (20) and a lower roller (8), the lower roller (8) is fixedly arranged on the lower rolling mill main shaft (20), the lower rolling mill main shaft (20) is also provided with the two rolling mill bearings (5), and the middle peripheral surface of the outer peripheral surface of the upper roller (7) is fixedly connected with an annular bulge (39), the middle part of the peripheral surface of the lower roller (8) is provided with a cavity (40) matched with the annular bulge (39);
the right side top mechanism (3) and the left side top mechanism (4) are located between an upper rolling mill spindle (6) and a lower rolling mill spindle (20), the right side top mechanism (3) and the left side top mechanism (4) are symmetrically distributed, the right side top mechanism (3) and the left side top mechanism (4) are identical in structure, the right side top mechanism (3) comprises a fixed sliding plate (16), an installation support plate (15) is installed on the fixed sliding plate (16) in a sliding mode along the horizontal direction, a side top roller spindle (14) is fixedly installed at one end of the installation support plate (15), a locking plate (13) is fixedly installed at one end of the installation support plate (15) through bolts, the side top roller spindle (14) is fixedly installed on the installation support plate (15) through the locking plate (13), the side top roller spindle (14) is vertically arranged, and two ball bearings (12) are sleeved on the side top roller spindle (14), the outside of two ball bearing (12) is fixed mounting respectively has upside carry-out stand (9) and downside carry-out stand (10), the other end of installation support plate (15) transversely is provided with hexagon socket head cap screw (18), the one end and the installation support plate (15) of hexagon socket head cap screw (18) are rotated and are connected, hexagon socket head cap screw (18) and bolt locating plate (17) threaded connection, bolt locating plate (17) and outside rolling mill fixed connection, threaded connection has lock nut (19) on hexagon socket head cap screw (18), one side of lock nut (19) and one side of bolt locating plate (17) closely laminate.
2. The double rolling mill side top device according to claim 1, wherein the opposite surfaces of the upper side top roll (9) and the lower side top roll (10) are provided with annular grooves, and a needle bearing (11) is installed between the two annular grooves.
3. The twin rolling mill side top device according to claim 1, wherein the outer peripheral surfaces of the upper side top roll (9) and the lower side top roll (10) in the right side top mechanism (3) are respectively brought into close contact with one end surfaces of the upper roll (7) and the lower roll (8), and the outer peripheral surfaces of the upper side top roll (9) and the lower side top roll (10) in the left side top mechanism (4) are respectively brought into close contact with the other end surfaces of the upper roll (7) and the lower roll (8).
4. The double-rolling mill side top device according to claim 1, wherein a limit ring (21) and a fixing ring (22) are fixedly mounted on the upper rolling mill main shaft (6), the fixing ring (22) is fixedly connected with the upper rolling mill main shaft (6) through a bolt, the upper rolling mill (7) is located between the corresponding limit ring (21) and the fixing ring (22), two sides of the upper rolling mill (7) are respectively abutted to the corresponding limit ring (21) and the fixing ring (22), the lower rolling mill main shaft (20) is also fixedly mounted with the limit ring (21) and the fixing ring (22), the lower rolling mill main shaft (20) is located between the corresponding limit ring (21) and the fixing ring (22), and two sides of the lower rolling mill (8) are respectively abutted to the corresponding limit ring (21) and the fixing ring (22).
5. The double rolling mill side top device according to claim 1, wherein the side top roll main shaft (14) comprises a trunk (141), connecting ends (142) are fixedly connected to two ends of the trunk (141), bolt holes are formed in one side of each of the two connecting ends (142), and a fixing ring (22) is fixedly connected to the middle of the outer peripheral surface of the trunk (141).
6. The double rolling mill side top device according to claim 1, wherein the working method of the device comprises the following steps:
rotating the inner hexagon bolt (18) of the right side top mechanism (3), moving the inner hexagon bolt (18) along the horizontal direction, pushing the mounting support plate (15) to slide on the fixed sliding plate (16), simultaneously driving the upper side top roller (9) and the lower side top roller (10) to respectively slide until the upper side top roller (7) and the lower side top roller (8) are tightly attached to one end surface of the upper roller (7) and one end surface of the lower roller (8), rotating the locking nut (19), enabling one end of the locking nut (19) to be abutted to the bolt positioning plate (17), fixing the inner hexagon bolt (18), fixing the mounting support plate (15), enabling the attaching positions of the upper side top roller (9) and the lower side top roller (10) to be fixed, repeating the steps, enabling the upper side top roller (9) and the lower side top roller (10) in the left side top mechanism (4) to respectively slide until the upper side top roller (7) and the lower roller (8) are tightly attached to the other end surface of, the upper rolling mill main shaft (6) and the lower rolling mill main shaft (20) respectively drive the upper roller (7) and the lower roller (8) to rotate while rotating, and the upper roller (7) and the lower roller (8) respectively drive the upper top roller (9) and the lower top roller (10) which are tightly attached to the upper roller and the lower roller to rotate while rotating.
7. The double rolling mill side top device according to claim 1, characterized in that the machining method of the side top roll main shaft (14) comprises the following steps:
step one, placing a side top roller spindle (14) on the inner side of a fixing seat (31) of a hole forming device, enabling the side top roller spindle (14) to be located between a first clamping plate (34) and a second clamping plate (36), starting a clamping cylinder (33), enabling the clamping cylinder (33) to drive the first clamping plate (34) to move towards one side of the second clamping plate (36), fixing the side top roller spindle (14) through the first clamping plate (34) and the second clamping plate (36), starting a jacking cylinder (37), enabling the jacking cylinder (37) to drive a top plate (38) to ascend, enabling the top plate (38) to be abutted against the bottom surface of a connecting end (142), and enabling the side top roller spindle (14) to be kept fixed;
step two, starting a rotating motor (26), driving a rotating plate (25) to rotate by the rotating motor (26), driving each fixing seat (31) to rotate by the rotating plate (25), driving a side top roller main shaft (14) to rotate, aligning a connecting end (142) with a drill bit (30), driving the drill bit (30) to rotate by a hole forming motor (29), driving the hole forming motor (29) to move by a moving cylinder (28), and driving the drill bit (30) to form a hole in one connecting end (142);
and step three, starting the turnover motor (35), driving the air cylinder seat (32) to rotate by the turnover motor (35), driving the first clamping plate (34) to rotate, enabling the side top roller spindle (14) to turn over by one hundred eighty degrees, repeating the steps, and drilling the other connecting end (142).
8. The double-roller mill side top device according to claim 7, wherein the hole forming device comprises a base (23), a support seat (24) is fixedly installed on the base (23), a cushion seat (27) is fixedly installed on the top of the support seat (24), a movable air cylinder (28) is fixedly installed on the top of the cushion seat (27), a hole forming motor (29) is slidably installed on the top of the cushion seat (27), the end of an output rod of the movable air cylinder (28) is fixedly connected with the hole forming motor (29), a drill bit (30) is fixedly installed on the end of an output shaft of the hole forming motor (29), a rotating plate (25) is horizontally arranged above the base (23), the rotating plate (25) is rotatably installed on the top of the outer peripheral surface of the support seat (24), a plurality of fixing seats (31) are fixedly installed on the rotating plate (25), and the plurality of fixing seats (31) are annularly distributed in equal radian, a rotating motor (26) is fixedly installed on the base (23), a first gear is fixedly installed at the end part of an output shaft of the rotating motor (26), a second gear is fixedly installed at the bottom of the rotating plate (25), and the first gear is meshed with the second gear;
the utility model discloses a pneumatic lifting mechanism, including fixing base (31), cylinder block (32) is installed in the rotation of one side inner wall of fixing base (31), fixed mounting has centre gripping cylinder (33) on cylinder block (32), the output pole tip fixed mounting of centre gripping cylinder (33) has splint one (34), the opposite side inner wall of fixing base (31) is rotated and is installed splint two (36), one side outer wall fixed mounting of fixing base (31) has upset motor (35), the output shaft tip and cylinder block (32) fixed connection of upset motor (35), the downside inner wall fixed mounting of fixing base (31) has jacking cylinder (37), the output pole top fixed mounting of jacking cylinder (37) has roof (38).
CN202011349955.XA 2020-11-26 2020-11-26 Side jacking device of double-roller rolling mill Active CN112589155B (en)

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Denomination of invention: A side jacking device for double high rolling mill

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