CN210730543U - Guide device of large-scale shaft wedge cross rolling mill - Google Patents
Guide device of large-scale shaft wedge cross rolling mill Download PDFInfo
- Publication number
- CN210730543U CN210730543U CN201921418816.0U CN201921418816U CN210730543U CN 210730543 U CN210730543 U CN 210730543U CN 201921418816 U CN201921418816 U CN 201921418816U CN 210730543 U CN210730543 U CN 210730543U
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- guide
- centering
- seat
- swing arm
- arm
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Abstract
The utility model provides a guide and guard device of a large-scale shaft wedge cross rolling mill, which comprises a guide and guard beam supporting seat and a guide and guard beam supporting arm which is rotatably arranged on the guide and guard beam supporting seat, wherein the guide and guard beam supporting arm is provided with a swing arm and an adjusting mechanism for adjusting the height of the swing arm; one end of the swing arm is rotatably arranged on the supporting arm of the guide beam, the other end of the swing arm is provided with a guide mechanism, the guide mechanism comprises a guide seat rotatably arranged on the swing arm and a centering guide plate slidably arranged on the guide seat, and the centering guide plate is provided with a centering replacement head. The utility model discloses the creation is through setting up centering pneumatic cylinder servo control centering baffle and centering on leading defending the seat and more changing the head, has not only improved this kind of suitability and the positioning accuracy of leading defending the device greatly, removes through centering pneumatic cylinder control centering baffle moreover, can realize the restriction to the rolled piece, greatly reduced the rolled piece appear the possibility of rolling defects such as cross wedge rolling plasticity elliptical deformation in rolling process.
Description
Technical Field
The invention belongs to the field of rolling mill equipment, and particularly relates to a guide and guard device of a large-scale shaft wedge cross rolling mill.
Background
In recent years, with the increasing demand of large-diameter shaft parts along with the development of times, as a new process which is very suitable for producing stepped shafts and rotary parts, cross wedge rolling is increasingly developed to be large; however, the existing guide and guard device cannot be well adapted to rolling of raw materials with different diameters and lengths, adjustment and assembly are very troublesome, adaptability to different dies is poor, investment of the dies is large, and time for adjusting the device is long, so that the important problem to be solved urgently is solved.
Disclosure of Invention
In view of the above, the present invention provides a guide and guard device for a large-scale shaft cross wedge rolling mill, which aims to overcome the defects in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a guide and guard device of a large-scale shaft type cross wedge rolling mill comprises a guide and guard beam supporting seat and a guide and guard beam supporting arm which is rotatably arranged on the guide and guard beam supporting seat, wherein a swinging arm and an adjusting mechanism for adjusting the height of the swinging arm are arranged on the guide and guard beam supporting arm; one end of the swing arm is rotatably arranged on the supporting arm of the guide beam, the other end of the swing arm is provided with a guide mechanism, the guide mechanism comprises a guide seat rotatably arranged on the swing arm and a centering guide plate slidably arranged on the guide seat, and the centering guide plate is provided with a centering replacement head; and a positioning assembly for limiting the centering guide plate and a driving assembly for driving the centering guide plate to move are arranged at the position, corresponding to the centering guide plate, on the guide and guard seat.
Furthermore, a plurality of centering replacement head fixing positions are arranged on the centering guide plate.
Furthermore, the positioning assembly comprises a centering pressing plate which is arranged on the guide seat and corresponds to the upper side and the lower side of the centering guide plate.
Further, the driving assembly comprises a centering hydraulic cylinder arranged on the guide seat.
Furthermore, the adjusting mechanism comprises a screw rod arranged on the supporting arm of the guide beam and an adjusting nut arranged on the screw rod; the guide beam supporting arm is provided with a screw hole matched with the screw rod, the swing arm is provided with a through hole matched with the screw rod, the adjusting nut is correspondingly arranged between the guide beam supporting arm and the swing arm, and the upper end of the adjusting nut abuts against the swing arm.
Furthermore, a boss part is arranged on one side, facing the centering guide plate, of the bottom of the guide and guard seat, and the boss part is rotatably connected with the swing arm through a pin shaft.
Compared with the prior art, the invention has the following advantages:
the wedge cross rolling device is simple in structure, easy to adjust and assemble and capable of being well adapted to dies of different specifications, and the use of the guide device is beneficial to improving the rolling precision and the rolling efficiency of the wedge cross rolling machine; through set up adjustment mechanism on leading guarding roof beam support arm, can realize the regulation to swing arm and lead guarding mechanism height, operating personnel only can realize altitude mixture control through swivel adjustment nut or screw rod, leads the height of guarding the mechanism through the regulation, can make things convenient for operating personnel rapid Assembly to lead guarding the mechanism, has improved the convenience that this kind of guide guarding device used greatly.
The centering guide plate and the centering replacement head are controlled by the centering hydraulic cylinder servo control on the guide seat, so that the applicability and the positioning accuracy of the guide device are greatly improved, the centering guide plate is controlled by the centering hydraulic cylinder to move, the limitation on a rolled piece can be realized, and the possibility of rolling defects such as cross wedge rolling plastic elliptical deformation and the like in the rolling process of the rolled piece is greatly reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural diagram of a guide mechanism in an embodiment of the present invention;
fig. 3 is a schematic structural view of the guide and guard device according to the inventive embodiment when it is installed on a cross wedge rolling mill.
Description of reference numerals:
1-a guide beam supporting seat; 2-a guide beam supporting arm; 3-adjusting the nut; 4-a swing arm; 5-a guide seat; 6-centering the guide plate; 7-centering the pressing plate; 8-centering the replacement head; 9-a drive assembly; 10-a sliding beam; 11-a boss portion; 12-a screw; 13-bolt holes; 14-mounting holes; 15-adjusting the bolt.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
A guide and guard device of a large-scale shaft type cross wedge rolling mill is shown in figures 1 to 3 and comprises a guide and guard beam supporting seat 1 and a guide and guard beam supporting arm 2 which is rotatably arranged on the guide and guard beam supporting seat 1, wherein a swinging arm 4 and an adjusting mechanism for adjusting the height of the swinging arm 4 are arranged on the guide and guard beam supporting arm 2; one end of the swing arm 4 is rotatably arranged on the guide beam supporting arm 2, the other end of the swing arm is provided with a guide mechanism, the guide mechanism comprises a guide seat 5 rotatably arranged on the swing arm 4 and a centering guide plate 6 slidably arranged on the guide seat 5, and a centering replacement head 8 is arranged on the centering guide plate 6; a positioning component for limiting the centering guide plate 6 and a driving component 9 for driving the centering guide plate 6 to move are arranged on the guide seat 5 corresponding to the centering guide plate 6; specifically, the guide beam supporting seat can be fixed on a frame of the cross wedge rolling mill through bolts.
The centering guide plate 6 is provided with a plurality of fixing positions of the centering replacement head 8, the centering replacement head 8 can be fixed on the centering guide plate 6 through bolts, the centering guide plate 6 is provided with a plurality of bolt holes 13, the centering replacement head 8 can be replaced only by screwing the bolts, and the operation is very convenient; by arranging a plurality of centering and replacing head fixing positions, when the guide and guard device is used on a cross wedge rolling mill, before the rolling mill works, an operator can replace the centering and replacing head 8 according to the width of a rolling die or adjust the position of the centering and replacing head 8, so that the centering and replacing head 8 can adapt to the rolling of different rolled pieces, and the limit precision of the guide and guard device is improved;
specifically, before using the rolling mill, can shift out the frame through rotatory guide and guard roof beam support arm 2 with guide and guard mechanism, make things convenient for operating personnel to assemble components such as change head in the centering, operating personnel need not to stretch into and operate in the frame, has reduced the assembly degree of difficulty of the cross wedge rolling mill, has improved the convenience and the security of this kind of guide and guard device assembly greatly, is favorable to improving the holistic assembly efficiency of cross wedge rolling mill.
The adjusting mechanism comprises a screw 12 arranged on the guide beam supporting arm 2 and an adjusting nut 3 arranged on the screw 12; the guide beam supporting arm 2 is provided with a screw hole matched with the screw 12, the swing arm 4 is provided with a through hole matched with the screw 12, and the swing arm 4 can only rotate on the screw 12; the adjusting nut 3 is correspondingly arranged between the guide beam supporting arm 2 and the swing arm 4, and the upper end of the adjusting nut 3 props against the swing arm 4;
specifically, when operating personnel need assemble this kind of guide and guard device, can adjust the height of swing arm 4 through revolving to twist adjusting nut 3 or screw rod 12, make things convenient for guide and guard mechanism on the swing arm whole to insert the frame window, compare in other regulation modes, through revolving to twist adjusting nut and screw rod, it is more simple and convenient to operate, is favorable to improving this kind of guide and guard device's assembly speed.
The positioning assembly comprises a centering pressing plate 7 which is arranged on the guide seat 5 and corresponds to the upper side and the lower side of the centering guide plate 6; specifically, the guide and guard seat 5 may further be provided with a sliding beam 10 corresponding to the left and right sides of the centering guide plate 6, the centering guide plate 6 is slidably mounted on the sliding beam 10, and the centering pressing plate 7 may be fixed on the sliding beam 10 by screws, as long as the centering guide plate 6 can stably slide in the centering pressing plate 7; the centering guide plate 6 can be limited by the centering pressing plate 7 and the sliding beam 10 together, so that the moving stability of the centering guide plate 6 is further improved, and the centering guide plate 6 can be better matched with a mold for use;
in the actual installation process, a slide rail which is in sliding fit with the slide beam 10 can be arranged on the frame of the cross wedge rolling mill, so that the whole guide mechanism can be quickly and stably inserted into the frame, the assembly speed of the guide device is favorably improved, and the guide device is prevented from inclining in the assembly process;
specifically, when the guide and guard device is assembled on a frame, the guide and guard beam supporting seat 1 is firstly installed on the frame through a bolt, then the guide and guard mechanism is driven to be integrally inserted into a frame window by rotating the guide and guard beam supporting arm, and finally the guide and guard seat is fixed on the frame through a fixing bolt;
in an alternative embodiment, the guide seat 5 is provided with mounting holes 14 matched with the fixing bolts, the rack is provided with threaded holes matched with the fixing bolts, as shown in fig. 2, the number of the mounting holes 14 can be four, the rack is correspondingly provided with four threaded holes, the guide seat can be stably fixed by the four fixing bolts, an adjusting bolt 15 can be arranged at the center of the four mounting holes 14, the guide seat is provided with threaded holes matched with the adjusting bolts 15, one end of the adjusting bolt 15 penetrating through the guide seat can prop against the rack, when the guide seat is installed, an operator can adjust the length of the adjusting bolt 15 in advance, and then when the fixing bolts are installed, the guide seat can be quickly positioned and installed, which is beneficial to improving the assembly speed of the guide seat;
the driving assembly 9 comprises a centering hydraulic cylinder arranged on the guide seat 5, the centering hydraulic cylinder adopts a hydraulic cylinder with a servo control function, and the telescopic end of the centering hydraulic cylinder can be arranged on the centering guide plate 6 as long as the centering hydraulic cylinder can drive the centering guide plate 6 to move; after the guide and guard seat is installed, the centering hydraulic cylinder drives the centering guide plate and the centering replacement head to move, so that servo control of the centering guide plate in the rolling process is realized to ensure the rolling position, and the improvement of the rolling precision of the cross wedge rolling mill is facilitated;
specifically, by arranging the centering hydraulic cylinder, the guide device can adapt to the working modes of various cross wedge rolling mills, and the practical use process is as follows;
the working mode is as follows: when the guide and guard device is applied to a traditional cross wedge rolling mill and rolls shafts in a one-time integral forming mode, an operator can replace a centering and replacing head in a guide and guard mechanism according to a die, and the centering and replacing head can adopt a centering and replacing head with the same length as a centering guide plate; then, the centering hydraulic cylinder is completely retracted and locked, so that the centering replacement head arranged on the centering guide plate and the end surface of the centering pressing plate are positioned on the same plane to work; and finally, the guide and guard mechanism is integrally adjusted and fixed through fixing bolts for connecting two ends of the guide and guard seat with the frame, rolled blanks are controlled in opposite spaces, and rolling defects of cross wedge rolling plastic elliptical deformation of rolled pieces in the rolling process are prevented.
The second working mode is as follows: when the guide device is applied to a sectional wedge cross rolling mill to perform sectional rolling on a long shaft which is longer than the maximum installation mold length of a roller, an operator needs to replace a centering and replacing head 8 according to the width of a sectional rolling mold so as to match the centering and replacing head with the mold; an operator can firstly adjust the fixing bolts connected with the frame at the two ends of the guide seat 5 to enable the guide seat 5 to be positioned at a proper position, namely the guide seat 5 is fixed after the centering and replacing head 8 is close to the initial position of the end face of the roller;
then, the centering hydraulic cylinder is used for servo control to realize the stretching and accurate position positioning of the centering guide plate 6, so that the end surface of the centering guide plate 6 facing the roller is positioned on the same plane with the roller; and finally, in the rolling process of the cross wedge rolling mill, the centering hydraulic cylinder drives the centering guide plate 6 and the centering changing head 8 to stretch, so that the centering changing head 8 can advance or retreat according to the overall diameter of the rolled piece in the rolling process, and the rolling defects of cross wedge rolling plastic elliptical deformation and the like in the rolling process of the rolled piece are prevented.
A boss part 11 is arranged on one side of the bottom of the guide seat 5 facing the centering guide plate 6, and the boss part 11 is rotatably connected with the swing arm 4 through a pin shaft; the boss 11 can improve the stability of the rotation of the guide and guard base 5, so that the swing arm 4 can drive the guide and guard base 5 to move more stably.
The wedge cross rolling device is simple in structure, easy to adjust and assemble and capable of being well adapted to dies of different specifications, and the use of the guide device is beneficial to improving the rolling precision and the rolling efficiency of the wedge cross rolling machine; through set up adjustment mechanism on leading guarding roof beam support arm, can realize the regulation to swing arm and lead guarding mechanism height, operating personnel only can realize altitude mixture control through swivel adjustment nut or screw rod, leads the height of guarding the mechanism through the regulation, can make things convenient for operating personnel rapid Assembly to lead guarding the mechanism, has improved the convenience that this kind of guide guarding device used greatly.
The centering guide plate and the centering replacement head are controlled by the centering hydraulic cylinder servo control on the guide seat, so that the applicability and the positioning accuracy of the guide device are greatly improved, the centering guide plate is controlled by the centering hydraulic cylinder to move, the limitation on a rolled piece can be realized, and the possibility of rolling defects such as cross wedge rolling plastic elliptical deformation and the like in the rolling process of the rolled piece is greatly reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a large-scale axle class cross wedge rolling mill guide fittings which characterized in that: the device comprises a guide beam supporting seat and a guide beam supporting arm rotatably mounted on the guide beam supporting seat, wherein a swinging arm and an adjusting mechanism for adjusting the height of the swinging arm are arranged on the guide beam supporting arm; one end of the swing arm is rotatably arranged on the supporting arm of the guide beam, the other end of the swing arm is provided with a guide mechanism, the guide mechanism comprises a guide seat rotatably arranged on the swing arm and a centering guide plate slidably arranged on the guide seat, and the centering guide plate is provided with a centering replacement head; and a positioning assembly for limiting the centering guide plate and a driving assembly for driving the centering guide plate to move are arranged at the position, corresponding to the centering guide plate, on the guide and guard seat.
2. The guide and guard device of the cross wedge rolling mill for large shafts according to claim 1, wherein: and a plurality of centering replacement head fixing positions are arranged on the centering guide plate.
3. The guide and guard device of the cross wedge rolling mill for large shafts according to claim 1, wherein: the positioning assembly comprises a centering pressing plate which is arranged on the guide seat and corresponds to the upper side and the lower side of the centering guide plate.
4. The guide and guard device of the cross wedge rolling mill for large shafts according to claim 1, wherein: the driving assembly comprises a centering hydraulic cylinder arranged on the guide seat.
5. The guide and guard device of the cross wedge rolling mill for large shafts according to claim 1, wherein: the adjusting mechanism comprises a screw rod arranged on the supporting arm of the guide beam and an adjusting nut arranged on the screw rod; the guide beam supporting arm is provided with a screw hole matched with the screw rod, the swing arm is provided with a through hole matched with the screw rod, the adjusting nut is correspondingly arranged between the guide beam supporting arm and the swing arm, and the upper end of the adjusting nut abuts against the swing arm.
6. The guide and guard device of the cross wedge rolling mill for large shafts according to claim 1, wherein: one side of the bottom of the guide seat facing the centering guide plate is provided with a boss part, and the boss part is rotatably connected with the swing arm through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921418816.0U CN210730543U (en) | 2019-08-28 | 2019-08-28 | Guide device of large-scale shaft wedge cross rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921418816.0U CN210730543U (en) | 2019-08-28 | 2019-08-28 | Guide device of large-scale shaft wedge cross rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210730543U true CN210730543U (en) | 2020-06-12 |
Family
ID=70989393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921418816.0U Withdrawn - After Issue CN210730543U (en) | 2019-08-28 | 2019-08-28 | Guide device of large-scale shaft wedge cross rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210730543U (en) |
-
2019
- 2019-08-28 CN CN201921418816.0U patent/CN210730543U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200612 Effective date of abandoning: 20201105 |
|
| AV01 | Patent right actively abandoned |