CN203656188U - Roller fixing and sealing device - Google Patents

Abstract

The utility model relates to the technical field of rollers, in particular to a roller fixing and sealing device. The roller fixing and sealing device has the advantages that the structure is simple and the fixing and sealing effect between rollers and bearings is good, and comprises two lateral roller bodies and a middle roller body, wherein the two lateral roller bodies are connected with bearings; the bearings are connected with bearing pedestals; bearing covers are respectively arranged at the two ends of each bearing pedestal; external sealing covers and internal sealing covers are respectively arranged between bearing covers at the two ends of the bearings and the two lateral roller bodies, and respectively and fixedly connected with the two lateral roller bodies; the outer sides of the external sealing covers are connected with end covers; the end covers are connected with the two lateral bearings; sealing rings are arranged between the outer sides of the internal sealing covers and the middle roller body.

Description

Roller fixing seal device

Technical field

The utility model relates to roller technical field, is specially a kind of roller fixing seal device.

Background technique

In cold rolling mill technical field, milling train has the multiple types such as duo mill, three-high mill, four high stand, and roller is divided into back-up roll, intermediate roll and work roll etc., and fixing seal device all can be set between roll body and bearing, general fixing device is fixing insecure, and sealing effect is undesirable.

Summary of the invention

In order to address the above problem, the utility model provides a kind of roller fixing seal device, and it is simple in structure, and between roll body and bearing, fixing seal is effective.

Its technological scheme is such: a kind of roller fixing seal device, it is characterized in that, it comprises both sides roll body and middle roll body, described both sides roll body connection bearing, described bearing coupling shaft bearing, described bearing support two ends arrange respectively bearing cap, between the described bearing cap at described bearing two ends and described both sides roll body, outside seal lid and inner sealing lid are set respectively, described outside seal lid is fixedly connected with respectively described both sides roll body with described inner sealing lid, described outside seal lid outside connects end cap, described end cap connects described both sides roll body, between described inner sealing lid outside and described middle roll body, seal ring is set.

It is further characterized in that, described outside seal lid, inner sealing lid inner side arrange draw-in groove, and the space ring lid coordinating with described bearing cap is set in described draw-in groove;

Between described bearing cap and described outside seal lid, inner sealing lid, back-up ring is set.

Adopt after structure of the present utility model, outside seal lid and inner sealing lid are set respectively between the bearing cap at bearing two ends and both sides roll body, outside seal lid is fixedly connected with respectively both sides roll body with inner sealing lid, outside seal lid outside connects end cap, end cap connects two side bearings, between inner sealing lid outside and middle roll body, seal ring is set, compact overall structure is reasonable, and good fixing seal effect is played in the cooperation of cooperation, inner sealing lid and the seal ring of outside seal lid and end cap.

Brief description of the drawings

Fig. 1 is the utility model structural representation.

Embodiment

As shown in Figure 1, a kind of roller fixing seal device, it comprises both sides roll body 1 and middle roll body 2, both sides roll body 1 connection bearing 3, bearing 3 coupling shaft bearings 4, bearing support 4 two ends arrange respectively bearing cap 5, outside seal lid 6 and inner sealing lid 7 are set respectively between the bearing cap 5 at bearing 3 two ends and both sides roll body 1, outside seal lid 6 and inner sealing lid 7 are flexibly connected respectively bearing cap 5, outside seal lid 6 is fixedly connected with respectively both sides roll body 1 with inner sealing lid 7, outside seal lid 6 outsides connect end cap 8, end cap 8 connects both sides roll body 1, between inner sealing lid 7 outsides and middle roll body 2, seal ring 9 is set, outside seal lid 6, inner sealing lid 7 inner sides arrange draw-in groove, and the space ring lid 10 coordinating with bearing cap 5 is set in draw-in groove, between bearing cap 5 and outside seal lid 6, inner sealing lid 7, back-up ring 11 are set, and play seal action better.

Claims (3)

1. a roller fixing seal device, it is characterized in that, it comprises both sides roll body and middle roll body, described both sides roll body connection bearing, described bearing coupling shaft bearing, described bearing support two ends arrange respectively bearing cap, between the described bearing cap at described bearing two ends and described both sides roll body, outside seal lid and inner sealing lid are set respectively, described outside seal lid is fixedly connected with respectively described both sides roll body with described inner sealing lid, described outside seal lid outside connects end cap, described end cap connects described both sides roll body, between described inner sealing lid outside and described middle roll body, seal ring is set.

2. a kind of roller fixing seal device according to claim 1, is characterized in that, described outside seal lid, inner sealing lid inner side arrange draw-in groove, and the space ring lid coordinating with described bearing cap is set in described draw-in groove.

3. a kind of roller fixing seal device according to claim 1, is characterized in that, between described bearing cap and described outside seal lid, inner sealing lid, back-up ring is set.

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