CN217474722U

CN217474722U - Upper conical roller oil cylinder mounting structure of ring rolling machine and axial rolling mechanism of ring rolling machine

Info

Publication number: CN217474722U
Application number: CN202220727488.8U
Authority: CN
Inventors: 郭庆; 张浩滨; 段连营
Original assignee: JINAN VOLSZ NUMERICALLY CONTROLLED MACHINERY CO Ltd
Current assignee: JINAN VOLSZ NUMERICALLY CONTROLLED MACHINERY CO Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-09-23
Anticipated expiration: 2032-03-30

Abstract

The utility model relates to a last conical roll hydro-cylinder mounting structure of ring rolling machine and ring rolling machine axial rolling mechanism belongs to the rolling equipment field. Its technical scheme does, a cone roller hydro-cylinder mounting structure on ring mill, embraces ring and two fixing bases including the hydro-cylinder, and the hydro-cylinder is embraced and is equipped with two articulated shafts on the outer disc of ring, and two articulated shaft intervals 180 degrees settings install articulated seat on the articulated shaft, and the preceding terminal surface of fixing base is equipped with square groove, and articulated seat fixed mounting is in square groove, the axis of articulated shaft is located square inslot portion. The beneficial effects of the utility model are that, the reaction force of hydro-cylinder is along hydro-cylinder axial action in articulated shaft department, and this mounting structure sets up the center of articulated shaft in the inside of articulated seat square groove, makes the articulated seat of square groove top cell wall vertical support, has reduced the reaction torque that mounting structure received greatly, avoids the wearing and tearing between articulated seat and the fixing base contact surface, has improved the durability and the security of equipment.

Description

Upper conical roller oil cylinder mounting structure of ring rolling machine and axial rolling mechanism of ring rolling machine

Technical Field

The utility model relates to a rolling equipment field especially relates to a ring rolls upper cone roller hydro-cylinder mounting structure to and a ring rolls axial rolling mechanism.

Background

The ring rolling mill is forging equipment for forging and manufacturing large-sized annular workpieces, the processing of the annular workpieces mainly comprises radial processing and axial processing, the radial processing is realized by mutually extruding two compression rollers inside and outside a ring to obtain the required annular wall thickness, and the axial processing is realized by mutually extruding an upper conical roller and a lower conical roller to obtain the required axial height of the workpieces.

When the axial is rolled, generally for the awl roller is fixed down, go up the awl roller and pass through the hydro-cylinder and push down, the required pressure of rolling is very big, the hydro-cylinder produces very big reverse axial force to the frame, current hydro-cylinder fixed form is shown in figure 1, the hydro-cylinder articulates on the mounting panel, the protruding card of mounting panel one side is gone into in the anterior recess of frame, the produced reaction force of hydro-cylinder is used in on the articulated shaft, and the strong point of current mounting means articulated shaft and block structure is not on a vertical line, form the arm of force between articulated shaft and the strong point, make to form very big reaction torque in strong point department, make block position wearing and tearing serious, lead to equipment life and security greatly reduced.

Disclosure of Invention

The utility model discloses to the easy atress wearing and tearing of present awl roller hydro-cylinder block mounted position destroy problem, provide a last awl roller hydro-cylinder mounting structure of ring rolls of atress structural optimization.

In order to solve the problem, the utility model discloses a technical scheme do, a cone roll hydro-cylinder mounting structure on ring rolling machine, embrace ring and two fixing bases including the hydro-cylinder, the hydro-cylinder is embraced and is equipped with two articulated shafts on the outer disc of ring, and two articulated shaft intervals 180 degrees settings install articulated seat on the articulated shaft, and the preceding terminal surface of fixing base is equipped with square groove, and articulated seat fixed mounting is in the square groove, the axis of articulated shaft is located square inslot portion. The reaction force of the oil cylinder acts on the hinged shaft in the axial direction of the oil cylinder, the center of the hinged shaft is arranged inside the square groove of the hinged seat by the mounting structure, the groove wall at the top of the square groove vertically supports the hinged seat, the reaction torque borne by the mounting structure is greatly reduced, the abrasion between the contact surface of the hinged seat and the contact surface of the fixed seat is avoided, and the durability and the safety of the device are improved.

Preferably, articulated seat is the T type, including articulated portion, and the articulated shaft is installed in articulated portion, and the front side of articulated portion is equipped with connecting portion, and the size of square groove corresponds with articulated portion, and the both ends of connecting portion are passed through bolt and fixing base fixed connection, and the rear end face of connecting portion is hugged closely with the preceding terminal surface of fixing base. The vertical connecting surface and the horizontal connecting surface between the hinged seat and the fixed seat are respectively and mutually compressed, so that the torsion resistance is further improved. There is great moment between mounting panel and the frame, in order to guarantee the firm of mounting panel, the bolt can bear considerable pulling force, influences the life of bolt, and this scheme can greatly reduce the moment of articulated seat to the fixing base, and the bolt bearing pulling force is less, can use the less bolt of diameter, does not influence life simultaneously.

Preferably, the distance from the groove wall at the top of the square groove to the top of the fixed seat is greater than the depth of the square groove. The reverse axial force from the oil cylinder can generate moment on the rack through the upper part of the fixing seat, and the upper part of the fixing seat is longer and can be more stable when resisting the moment.

Preferably, an oil cylinder sleeve is fixedly installed in the oil cylinder hoop, the top of the oil cylinder sleeve is closed, and the bottom of the oil cylinder sleeve is open. The cylinder sleeve rigidly blocks the cylinder body in the vertical direction, so that the cylinder can provide larger pressure.

Preferably, the oil cylinder embracing ring comprises a front half ring and a rear half ring, and the front half ring and the rear half ring are detachably connected. Convenient to be disassembled and assembled without nesting friction.

On the other hand, the utility model also provides a ring mill axial rolling mechanism, including the grudging post, install conical rolls subassembly on the grudging post, go up conical rolls subassembly's upper portion and install the compression cylinder, the compression cylinder passes through on the foretell ring mill conical rolls hydro-cylinder mounting structure and is connected with the grudging post, and the fixing base is installed on the preceding facade upper portion of grudging post, and compression cylinder's cylinder body fixed mounting is in the hydro-cylinder armful. The reaction force of the pressing oil cylinder in the axial rolling mechanism does not generate reaction torque, the stress performance is good, larger rolling pressure can be adopted, and the service life is long.

Preferably, the front vertical face of the stand is provided with a front convex part, and the fixed seat is installed at the front side of the front convex part. The lateral distance difference of the lower conical roller in the new oil cylinder mounting structure and the traditional axial rolling structure is compensated by the front convex part, and the existing ring rolling mill can be quickly and conveniently modified, so that the equipment cost is reduced.

Preferably, the cylinder body of the pressing cylinder is welded and fixed with the cylinder hoop. The allowable pressure is increased.

Preferably, an auxiliary oil cylinder is further arranged on the rear side of the top of the vertical frame and is vertically arranged, a cylinder body of the auxiliary oil cylinder is connected with the vertical frame, and an oil cylinder rod of the auxiliary oil cylinder is connected with the upper tapered roller assembly. The lifting of the upper tapered roller component is more balanced.

According to the technical scheme, the hinge seat has the advantages that the center of the hinge shaft is arranged inside the square groove of the hinge seat, so that the groove wall at the top of the square groove vertically supports the hinge seat, the reaction torque received by the mounting structure is greatly reduced, and the abrasion between the contact surface of the hinge seat and the fixed seat is avoided; the vertical connecting surface and the horizontal connecting surface between the hinge seat and the fixed seat are respectively and mutually compressed, so that the torsion resistance and the connection firmness are improved, and the installation structure and the rolling mechanism are conveniently and quickly installed; the stress performance of the rolling mechanism is optimized, the rolling mechanism can be processed by larger rolling pressure and is not easy to damage, and the durability and the safety of the equipment are improved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an upper conical roll cylinder mounting structure in the prior art.

Fig. 2 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 3 is a schematic side view of the first embodiment of the present invention.

Fig. 4 is a schematic structural view of an oil cylinder hoop in the second embodiment of the present invention.

Fig. 5 is a schematic structural view of the axial rolling mechanism of the middle ring rolling mill of the present invention.

In the figure: 1. a pressing oil cylinder, 2 oil cylinder hooping rings, 2-1 front half rings, 2-2 rear half rings, 3 hinge seats, 3-1 connecting parts, 3-2 hinge parts, 4 fixing seats, 5 vertical frames, 6 front convex parts, 7 auxiliary oil cylinders,

8. oil cylinder sleeve, 9, upper cone roller assembly, 10, articulated shaft.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all 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 scope of protection of this patent.

In the following detailed description, the front side is taken to be the side of the ring mill that faces the work when it is working, i.e. the left side in fig. 3 and 5.

Example one

As shown in fig. 2 and 3, an installation structure of a conical roller cylinder on a ring rolling mill comprises a cylinder embracing ring 2, a cylinder sleeve 8 is fixedly installed in the cylinder embracing ring 2, the top of the cylinder sleeve 8 is closed, the bottom of the cylinder sleeve 8 is open, the cylinder sleeve 8 is used for installing a cylinder body of a conical roller cylinder, two hinge shafts 10 are arranged on the outer circular surface of the cylinder embracing ring 2, the two hinge shafts 10 are collinear and are arranged at an interval of 180 degrees, hinge seats 3 are respectively installed on the two hinge shafts 10, the hinge seats 3 are T-shaped and comprise hinge parts 3-2, the front side of each hinge part 3-2 is provided with a connecting part 3-1, each hinge seat 3 is provided with a through hole matched with the hinge shaft 10, and the center of each through hole is located in the hinge part 3-2; the mounting structure further comprises two fixing seats 4, square grooves are formed in the front sides of the fixing seats 4, the size of each square groove corresponds to the hinge portion 3-2, the distance from the groove wall of the top of each square groove to the top of the corresponding fixing seat 4 is larger than the depth of each square groove, two ends of each connecting portion 3-1 are fixedly connected with the corresponding fixing seats 4 through bolts, and the rear end face of each connecting portion 3-1 is tightly attached to the front end face of the corresponding fixing seat 4.

Example two

In this embodiment, the structure of the hinge seat and the fixed seat is the same as that of the first embodiment, except that the structure of the oil cylinder hoop 2 in this embodiment is as shown in fig. 4, and includes a front half ring 2-1 and a rear half ring 2-2, the front half ring 2-1 and the rear half ring 2-2 are detachably connected, the front half ring 2-1 and the rear half ring 2-2 clamp the oil cylinder sleeve 8, the hinge shafts may be disposed at both ends of the front half ring 2-1 or both ends of the rear half ring 2-2, or a hinge shaft is disposed on each of the front half ring and the rear half ring.

Compared with the first embodiment, the nesting installation between the oil cylinder embracing ring and the oil cylinder sleeve is more convenient, no friction resistance exists, or the front half ring 2-1 and the rear half ring 2-2 directly clamp the cylinder body of the upper conical roller oil cylinder, the assembly is more convenient, and the cost is reduced.

Based on the above embodiment, the utility model also provides a ring rolling machine axial rolling mechanism, as shown in fig. 5, the rolling mechanism includes the grudging post 5, install upper conical roller assembly 9 in the grudging post 5, be equipped with vertical slide rail between upper conical roller assembly 9 and the grudging post 5, the upper portion of upper conical roller assembly 9 is installed and is compressed tightly hydro-cylinder 1, compressed tightly hydro-cylinder 1 is connected with grudging post 5 through the above-mentioned ring rolling machine upper conical roller hydro-cylinder mounting structure, specifically, the front elevation upper portion of grudging post 5 is equipped with the front projection 6 that is convex towards the front side, front projection 6 is square boss, the fixing base 4 is installed to the front end face of front projection 6, the cylinder body fixed mounting of compressed tightly hydro-cylinder 1 is in cylinder armful ring 2 or cylinder sleeve 8;

an auxiliary oil cylinder 7 is further arranged on the rear side of the top of the vertical frame 5, the auxiliary oil cylinder 7 is vertically arranged, a cylinder body of the auxiliary oil cylinder 7 is connected with the vertical frame 5, and an oil cylinder rod of the auxiliary oil cylinder 7 is connected with the upper conical roll assembly 9.

The utility model discloses a theory of operation does: when the axial rolling mechanism moves, the tapered roller subassembly applys rolling pressure to the work piece on the cooperation drive of pressure cylinder 1 and supplementary hydro-cylinder 7, and the reaction force that the hydro-cylinder received simultaneously is used in mounting structure department, and the action point is at the center of articulated shaft 10, as shown in fig. 3, the utility model provides an among the mounting structure, the center of articulated shaft is located the square inslot portion of fixing base 4, the top cell wall of the perpendicular square groove of line of action of promptly, and the top surface of articulated portion and the vertical direct support that compresses tightly of top cell wall of square groove have significantly reduced the reaction torque that mounting structure received, have improved mounting structure's mechanical properties.

In order to further improve the stress performance, the oil cylinder hoop and the oil cylinder sleeve or the oil cylinder body can be welded into a whole, so that rigid connection is realized, and relative sliding is avoided.

The embodiment has the advantages that the center of the articulated shaft is arranged inside the square groove of the articulated seat, so that the groove wall at the top of the square groove vertically supports the articulated seat, the reaction torque received by the mounting structure is greatly reduced, and the abrasion between the contact surface of the articulated seat and the fixed seat is avoided; the vertical connecting surface and the horizontal connecting surface between the hinge seat and the fixed seat are respectively and mutually compressed, so that the torsion resistance and the connection firmness are improved, and the installation structure and the rolling mechanism are conveniently and quickly installed; the stress performance of the rolling mechanism is optimized, the rolling mechanism can be processed by larger rolling pressure and is not easy to damage, and the durability and the safety of the equipment are improved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a cone roll hydro-cylinder mounting structure on ring mill, its characterized in that embraces ring (2) and two fixing base (4) including the hydro-cylinder, the hydro-cylinder is embraced and is equipped with two articulated shafts (10) on the outer disc of ring (2), and two articulated shafts (10) separate 180 degrees settings, install articulated seat (3) on articulated shaft (10), the preceding terminal surface of fixing base (4) is equipped with square groove, articulated seat (3) fixed mounting be in the square groove, the axis of articulated shaft (10) is located square inslot portion.

2. The cone roller oil cylinder mounting structure on the ring rolling mill according to claim 1, wherein the hinged seat (3) is T-shaped and comprises a hinged portion (3-2), the hinged shaft (10) is mounted on the hinged portion (3-2), a connecting portion (3-1) is arranged on the front side of the hinged portion, the size of the square groove corresponds to that of the hinged portion (3-2), two ends of the connecting portion (3-1) are fixedly connected with the fixed seat (4) through bolts, and the rear end face of the connecting portion (3-1) is tightly attached to the front end face of the fixed seat (4).

3. A ring mill upper cone roll cylinder mounting arrangement according to claim 1 or 2, characterized in that the distance from the top groove wall of the square groove to the top of the holder (4) is greater than the depth of the square groove.

4. The ring mill upper cone roller cylinder mounting structure according to claim 1 or 2, characterized in that a cylinder sleeve (8) is fixedly mounted in the cylinder hoop (2), and the cylinder sleeve (8) is closed at the top and open at the bottom.

5. The cone roll cylinder mounting structure on ring rolling mill according to claim 1 or 2, characterized in that the cylinder embracing ring (2) comprises a front half ring (2-1) and a rear half ring (2-2), and the front half ring (2-1) and the rear half ring (2-2) are detachably connected.

6. The utility model provides a ring mill axial rolling mechanism, includes grudging post (5), install upper cone roller subassembly (9) on grudging post (5), the top of upper cone roller subassembly (9) is installed and is pressed hydro-cylinder (1), its characterized in that, press hydro-cylinder (1) through the ring mill upper cone roller hydro-cylinder mounting structure of any of claims 1-5 with grudging post (5) are connected, fixing base (4) are installed the preceding facade upper portion of grudging post (5), the cylinder body fixed mounting that presses hydro-cylinder (1) is in hydro-cylinder armful ring (2).

7. Ring mill axial rolling mechanism according to claim 6, characterized in that the front facade of the stand (5) is provided with a front projection (6), the holder (4) being mounted on the front side of the front projection (6).

8. The ring mill axial rolling mechanism according to claim 7, characterized in that the cylinder body of the compaction cylinder (1) is welded to the cylinder hoop (2).

9. A ring mill axial rolling mechanism according to claim 6, characterized in that the top rear side of the vertical frame (5) is further provided with an auxiliary cylinder (7), the auxiliary cylinder (7) is vertically arranged, the cylinder body of the auxiliary cylinder (7) is connected with the vertical frame (5), and the cylinder rod of the auxiliary cylinder (7) is connected with the upper cone roller assembly (9).