CN211990268U

CN211990268U - Axial positioning ring of rolling mill roller

Info

Publication number: CN211990268U
Application number: CN202020386229.4U
Authority: CN
Inventors: 吴国良
Original assignee: Changzhou Haoming Machinery Manufacturing Co ltd
Current assignee: Changzhou Haoming Machinery Manufacturing Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-11-24
Anticipated expiration: 2030-03-24

Abstract

The utility model relates to the technical field of roller positioning rings, in particular to an axial positioning ring of a rolling mill roller, which comprises a positioning ring body, wherein the positioning ring body comprises an upper semi-ring and a lower semi-ring, positioning grooves are respectively arranged on the upper surfaces of the upper semi-ring and the lower semi-ring, a plurality of fixing holes are respectively arranged on the upper semi-ring and the lower semi-ring, the fixing holes are respectively positioned at two sides of the positioning grooves, positioning bulges are arranged between the fixing holes and the positioning grooves on the upper semi-ring and the lower semi-ring, the lower surfaces of the upper semi-ring and the lower semi-ring are integrally connected with a pressing section, and; the utility model provides an axial holding ring of rolling mill roll, the structural design of constant head tank has improved the installation location efficiency of holding ring, improves the joint strength between holding ring and the roll moreover to improve the location accuracy of holding ring and reduce the axial float of roll, the structural design who compresses tightly the section has further improved the closeness of being connected between holding ring and roll and the mount pad, thereby further reduces the axial float of roll.

Description

Axial positioning ring of rolling mill roller

Technical Field

The invention relates to the technical field of roller positioning rings, in particular to a bearing positioning ring of a rolling mill roller.

Background

The axial positioning of bearing, usually need adopt some suitable methods to carry out axial positioning to the bearing ring to prevent that the roll from receiving axial force effect in rolling and producing axial float, chinese patent 2006200354596 discloses a roll axial positioning ring, the roll circle in this patent encircles the holding ring, mainly still constitute by two bolted connection's axial positioning semicircle, the outer lane at the butt joint department of axial positioning semicircle ring is cut there is the right angle groove, bore the through-hole of installation connecting bolt at the horizontal plane in right angle groove, pass the through-hole with connecting bolt and carry out bolt and nut connection after two axial positioning semicircle butt joints. Because the positioning ring adopts a bolt-nut connection mode without blind hole threads, the problems of loose threads and connection failure of connection threads can be avoided, thereby avoiding the occurrence of connection faults of the axial positioning ring of the roller, being beneficial to improving the operation efficiency of the rolling mill and reducing the production cost.

Although, the above-mentioned axial positioning ring still has the following technical disadvantages: 1. because only through holes and connecting bolts are arranged on the two semicircular rings, and the two side surfaces of the semicircular rings are smooth planes, the two semicircular rings and other parts are difficult to be stably fixed in the working process, 2, the produced positioning ring with the same specification is only suitable for one type of roller, and the universality of the positioning ring is reduced.

Disclosure of Invention

The utility model aims at: the axial positioning ring of the rolling mill roller overcomes the defects in the prior art, and is stable in positioning and wide in application range.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a bearing holding ring of rolling mill roll, includes the holding ring body, the holding ring body includes semi-ring and lower semi-ring, be equipped with the constant head tank on the upper surface of last semi-ring and lower semi-ring respectively, it has a plurality of fixed orificess to open respectively on last semi-ring and the lower semi-ring, a plurality of fixed orificess are located the both sides of constant head tank respectively, it has the location arch to go up on semi-ring and the lower semi-ring between fixed orifices and the constant head tank, the lower surface body coupling of going up semi-ring and lower semi-ring compresses tightly the section, it has the.

Furthermore, the locating slot is respectively located at the middle positions of the upper half ring and the lower half ring, and the longitudinal section of the locating slot is rectangular.

Furthermore, arc-shaped surfaces are respectively arranged between the upper half ring, the lower half ring and the pressing section.

Further, the outer diameter of the pressing section is smaller than that of the positioning ring body.

Furthermore, this internal backing ring that can dismantle of holding ring is connected with, the external diameter size of backing ring and the internal diameter size phase-match of holding ring body, the internal diameter size of backing ring and the external diameter size phase-match of the pivot of roll, the backing ring includes the ring segment, be provided with trapezoidal fixed segment on the ring segment, be equipped with the dovetail groove that matches with trapezoidal fixed segment on the internal surface of last semi-ring and lower semi-ring, the length of going to the bottom of trapezoidal fixed segment is less than the thickness of ring segment.

Furthermore, a plurality of fixed orificess symmetry sets up the both sides at the constant head tank.

Furthermore, a connecting groove is formed in the contact surface of the upper half ring and the lower half ring, and a convex edge matched with the connecting groove is formed in the contact surface of the lower half ring and the upper half ring.

Furthermore, the connecting groove is located at the center of the contact surface between the upper half ring and the lower half ring, and the convex edge is located at the center of the contact surface between the lower half ring and the upper half ring.

Furthermore, the cross sections of the connecting groove and the convex rib are W-shaped, and the longitudinal sections of the connecting groove and the convex rib are triangular.

Adopt the technical scheme of the utility model's beneficial effect is:

the utility model provides an axial holding ring of rolling mill roll, be equipped with the constant head tank on the upper surface of first ring and lower semi-ring respectively, the structural design of constant head tank, the installation location efficiency of holding ring has been improved, and improve the joint strength between holding ring and the roll, thereby improve the location accuracy of holding ring and reduce the axial float of roll, the lower surface body coupling of first ring and lower semi-ring has the section of compressing tightly, there is the gasket groove on the section of compressing tightly, the structural design of the section of compressing tightly has further improved the compactness of being connected between holding ring and roll and the mount pad, thereby further reduce the axial float of roll.

The utility model provides a this internal dismantlement of holding ring is connected with the backing ring, the internal diameter size phase-match of the external diameter size of backing ring and the holding ring body, the internal diameter size of backing ring and the pivot external diameter size phase-match of roll, the structural design of backing ring can improve the application scope of holding ring, during the installation, establish the backing ring cover in the pivot earlier, then install semi-ring and lower semi-ring in proper order again, the installation effectiveness is not influenced, and the location is stable moreover, can effectually avoid the axial float of roll in process of production.

Drawings

In order to more clearly illustrate the technical solution of the present embodiment, the drawings needed to be used in the description of the embodiments are 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 to obtain other drawings without inventive labor. Wherein the content of the first and second substances,

fig. 1 is a schematic structural view of the upper surface of the middle axial positioning ring of the present invention.

Fig. 2 is a schematic side view of the axial positioning ring of the present invention.

Fig. 3 is a schematic view of the installation of the axial positioning ring of the present invention.

In the figure: the device comprises an upper half ring 1, a lower half ring 2, a positioning groove 3, a fixing hole 4, a positioning bulge 5, a roller 6, a rotating shaft 7, a sealing gasket 8, a flange 9 and a trapezoid groove 10.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention. The utility model discloses utilize structural schematic diagram etc. to carry out the detailed description, when detailing the embodiment of the utility model provides a, the schematic diagram is the example only, and it should not restrict here the scope of the utility model protection. In addition, the actual fabrication process should include three-dimensional space of length, width and depth.

Please refer to fig. 1, fig. 2 and fig. 3, the utility model provides a bearing positioning ring of rolling mill roll 6, including the positioning ring body, the positioning ring body includes upper half ring 1 and lower half ring 2, is equipped with constant head tank 3 on the upper surface of upper half ring 1 and lower half ring 2 respectively, and it has a plurality of fixed orificess 4 to open respectively on upper half ring 1 and the lower half ring 2, and a plurality of fixed orificess 4 are located the both sides of constant head tank 3 respectively, have location arch 5 on upper half ring 1 and the lower half ring 2 between fixed orificess 4 and the constant head tank 3, and upper half ring 1 and the lower surface body coupling of lower half ring 2 have the section of compressing tightly, have the.

The installation method comprises the following steps: the utility model discloses a roll 6 is fixed on pivot 7, during installation, the holding ring is connected with roll 6 through flange 9, flange 9 connected with the holding ring is provided with a bead matched with locating slot 3, a sealing washer 8 is arranged between the holding ring and flange 9, after sealing washer 8 is correspondingly fixed with upper half ring 1, the sealing washer is positioned with the bead through locating slot 3 on upper half ring 1, then the sealing washer is fixedly connected through anti-drop screw, lower half ring 2 is fixed through locating slot 3, thereby upper half ring 1, lower half ring 2 are connected with flange 9, the structure of the compression section is arranged, the connection tightness between the holding ring and flange 9 and the mounting seat can be improved, thereby the positioning stability and accuracy of roll 6 are ensured, thereby axial float of roll 6 in the working process is effectively avoided, the packing ring groove is arranged on the compression section, the packing ring is placed in the packing ring groove during installation, the packing ring adopts elastic rubber material, can further improve like this and connect the compactness, takes place hard contact between the spare part in avoiding the use, causes to become flexible between the spare part, and location arch 5 is used for fixing a position sealing washer 8, the utility model provides a seal washer 8 go up open have with the protruding 5 assorted locating holes in location, adopt this structure, can effectively improve sealing washer 8 and last semi-ring 1 and the location accuracy nature between the semi-ring 2 down.

As a preferred embodiment, the positioning grooves 3 in this embodiment are respectively located at the middle positions of the upper half ring 1 and the lower half ring 2, and the longitudinal section of the positioning grooves 3 is a rectangular structure, so that the installation efficiency of the upper half ring 1 and the lower half ring 2 can be improved by adopting this structural design, and the installation and removal efficiency of the axial positioning ring can be improved.

As a preferred embodiment, the upper half ring 1, the lower half ring 2 and the pressing section in this embodiment are respectively provided with an arc surface, the structural design of the arc surface improves the flexible connection between the upper half ring 1 and the lower half ring 2 and the pressing section, and the overall strength of the axial positioning ring is improved, so that the positioning accuracy is further improved, preferably, the outer diameter of the pressing section is smaller than the outer diameter of the positioning ring body, after installation, the inner diameter between the upper half ring 1 and the lower half ring 2 is equal to the inner diameter of the pressing section, by adopting the structural design, the screw holes can be conveniently formed in the upper half ring 1 and the lower half ring 2, and the influence on the strength of the upper half ring 1 and the lower half ring 2 due to the formation of the screw holes can be avoided, so that the overall strength and the positioning accuracy of the upper half ring 1 and the lower half ring.

As a preferred embodiment, a backing ring is detachably connected in the positioning ring body in this embodiment, the outer diameter of the backing ring matches with the inner diameter of the positioning ring body, the inner diameter of the backing ring matches with the outer diameter of the rotating shaft 7 of the roller 6, the backing ring includes a circular ring segment, a trapezoidal fixing segment is arranged on the circular ring segment, a trapezoidal groove 10 matching with the trapezoidal fixing segment is arranged on the inner surfaces of the upper half ring 1 and the lower half ring 2, and the length of the lower bottom of the trapezoidal fixing segment is smaller than the thickness of the circular ring segment. The structural design of backing ring can improve the application scope of holding ring, during the installation, overlaps the backing ring earlier and establishes in pivot 7, then installs semi-ring 1 and lower semi-ring 2 in proper order again, and installation effectiveness is not influenced, and the location is stable moreover, can effectually avoid the axial float of roll 6 in process of production.

As a preferred embodiment, the fixing holes 4 in this embodiment are symmetrically disposed on two sides of the positioning slot 3, and with this structural design, after installation, the upper half ring 1 and the lower half ring 2 can uniformly share the pressure applied by screws and other components, so that the stresses on the upper half ring 1 and the lower half ring 2 are balanced, the positioning accuracy is improved, the service lives of the upper half ring 1 and the lower half ring 2 can be prolonged, the replacement frequency and the replacement cost of the device are reduced, and in this embodiment, two fixing holes 4 are preferred.

As a preferred embodiment, in this embodiment, the contact surface of the upper half ring 1 and the lower half ring 2 is provided with a connecting groove, and the contact surface of the lower half ring 2 and the upper half ring 1 is provided with a rib matched with the connecting groove, by adopting this structure, the connection tightness between the upper half ring 1 and the lower half ring 2 is improved after installation, and the positioning accuracy between the upper half ring 1 and the lower half ring 2 can also be improved, so as to improve the overall connection strength and the positioning accuracy of the positioning ring, preferably, the connecting groove is located at the center of the contact surface of the upper half ring 1 and the lower half ring 2, the rib is located at the center of the contact surface of the lower half ring 2 and the upper half ring 1, by adopting this structure, the overall strength after connection of the positioning ring is the highest, and the positioning accuracy is the highest, preferably, the cross sections of the connecting groove and the rib are W-shaped, the longitudinal sections of the connecting groove and the rib are triangular, after long-time use, the removal is not easy to occur, and the positioning accuracy is further improved.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The axial positioning ring of the rolling mill roller is characterized in that: the locating ring comprises a locating ring body, the locating ring body comprises an upper semi-ring and a lower semi-ring, locating grooves are formed in the upper surfaces of the upper semi-ring and the lower semi-ring respectively, a plurality of fixing holes are formed in the upper semi-ring and the lower semi-ring respectively and are located on the two sides of the locating grooves respectively, locating protrusions are arranged between the fixing holes and the locating grooves in the upper semi-ring and the lower semi-ring, a compressing section is integrally connected to the lower surfaces of the upper semi-ring and the lower semi-ring, and a gasket groove is formed in the compressing section.

2. The axial positioning ring for a rolling mill roll according to claim 1, wherein: the locating groove is respectively located in the middle of the upper half ring and the lower half ring, and the longitudinal section of the locating groove is rectangular.

3. The axial positioning ring for a rolling mill roll according to claim 1, wherein: arc-shaped surfaces are respectively arranged between the upper half ring, the lower half ring and the pressing section.

4. The axial positioning ring for a rolling mill roll according to claim 1, wherein: the outer diameter of the pressing section is smaller than that of the positioning ring body.

5. The axial positioning ring for a rolling mill roll according to claim 1, wherein: the utility model discloses a roll positioning structure, including the holding ring, the holding ring is including the holding ring body, the external diameter size of holding ring can be dismantled and be connected with the backing ring in the holding ring body, the external diameter size of backing ring and the internal diameter size phase-match of holding ring body, the internal diameter size of backing ring and the external diameter size phase-match of the pivot of roll, the backing ring includes the ring segment, be provided with trapezoidal fixed section on the ring segment, be equipped with the dovetail groove that matches with trapezoidal fixed section on the internal surface of last semi-ring and lower semi-ring, the.

6. The axial positioning ring for a rolling mill roll according to claim 1, wherein: the fixing holes are symmetrically arranged on two sides of the positioning groove.

7. The axial positioning ring for a rolling mill roll according to claim 1, wherein: the upper half ring and the lower half ring are provided with connecting grooves on the contact surface, and the lower half ring and the upper half ring are provided with convex edges matched with the connecting grooves on the contact surface.

8. The axial positioning ring for a rolling mill roll according to claim 7, wherein: the connecting groove is located at the center of the contact surface of the upper half ring and the lower half ring, and the convex edge is located at the center of the contact surface of the lower half ring and the upper half ring.

9. The axial positioning ring for a rolling mill roll according to claim 7, wherein: the cross sections of the connecting grooves and the convex ribs are W-shaped, and the longitudinal sections of the connecting grooves and the convex ribs are triangular.