CN202428303U

CN202428303U - Clamping device for bearing processing

Info

Publication number: CN202428303U
Application number: CN2011205514075U
Authority: CN
Inventors: 叶晓峰
Original assignee: SUZHOU DONGLI MACHINERY CO Ltd
Current assignee: SUZHOU DONGLI MACHINERY CO Ltd
Priority date: 2011-12-27
Filing date: 2011-12-27
Publication date: 2012-09-12
Anticipated expiration: 2021-12-27

Abstract

The utility model relates to a clamping device for bearing processing. The clamping device for bearing processing comprises a guide shaft and a clamping sleeve, wherein the guide sleeve is fixed on a main shaft of a machine tool; the clamping sleeve is fixed at the tail end of the guide shaft; the inner ring of a bearing to be processed is fixed on the clamping sleeve; an outside positioning shaft shoulder and an inside transitional shaft shoulder are arranged at the tail end of the guide shaft; the clamping sleeve is disc-shaped and is fixed on the outside positioning shaft shoulder; the bottom surface of the inner side of the clamping sleeve clings to the end face of the outside positioning shaft shoulder; the inner side of the clamping sleeve is connected and fixed with the outside positioning shaft shoulder through the bearing; elastic clamping plates are arranged on the two axial sides of the bearing; the upper ends of the elastic clamping plates are inserted into clamping grooves which are formed on the inner side of the clamping sleeve and are matched with the elastic clamping plates; the two elastic clamping plates are propped against the bottom surface of the inner side of the clamping sleeve and the end face of the inside transitional shaft shoulder; and a plurality of screws are arranged at the bottom of the clamping sleeve and are used for fixing the clamping sleeve on the guide shaft. The clamping device for bearing processing has low cost and solves the problems that the products have high rejection rate and are inconvenient to use.

Description

Clamping device is used in a kind of bearing processing

Technical field

The utility model relates to a kind of clamping device, belongs to bearing processing and uses the clamping device field.

Background technology

Bearing is a kind of very important parts in the contemporary plant equipment, and its major function is the supported mechanical rotary body, the mechanical load coefficient of friction that in transmission process, produces in order to reduction equipment.The size range and the variation of bearing are various, are widely used in some mechanical industries such as precision instrument, low noise motor, automobile, and by the difference of motion original paper frictional property, bearing can be divided into two types on rolling bearing and sliding bearing.Because bearing is applied widely, market demand is bigger, and the technology of bearing processing also is being in the continuous improvement always; And that the clamping device of its middle (center) bearing processing usefulness also divides is a variety of, but in most bearing processing, the clamping device structure of using in the bearing processing is as shown in Figure 1; Its operation principle is that bearing inner race 50 links to each other with the axis of guide 20 through copper sheathing 40, by hydraulic system oil is provided then, makes between clamping device and bearing inner race 50 internal diameters and produces oil film; Bearing inner race 50 is under the drive of main shaft 60; Do rotation at a high speed, under ultra essential oil stone 30 oscillating grindings, reach bearing inner race 50 raceway groove superlinishing purposes.But in use, find that this device has a lot of shortcomings.In process, because the vibration of main shaft makes the copper sheathing external diameter and the instability of the internal diameter gap between the converted products of clamping device, certain off-centre has appearred; Cause converted products in the high speed rotary course; Produce friction with copper sheathing and wear and tear, cause dimensional discrepancy, and cause percent defective high; Because copper sheathing has certain wearing and tearing in the production process; It is very high to cause copper sheathing to change frequency, and what take between the copper sheathing and the axis of guide is interference fit, when the dissimilar bearing inner race of processing need be changed copper sheathing; Inconvenience very; And shorten or directly can't use the service life that can cause copper sheathing after changing, thereby make that the productivity ratio of equipment is low, and the quality of product is not high yet.

The utility model content

The utility model purpose is to provide a kind of cost low for the deficiency that overcomes prior art, and is easy to use, and can guarantee the quality and the production efficiency of product, improves the bearing processing of service life of equipment and uses clamping device.

For achieving the above object, the technical scheme that the utility model adopts is: clamping device is used in a kind of bearing processing, comprises the axis of guide and clamping cover; The said axis of guide is fixed on the main shaft of lathe; Said clamping cover is fixed on the tail end of the axis of guide, and bearing inner race to be processed is fixed on clamping and puts; The tail end of the said axis of guide is provided with the outside location shaft shoulder and the inner transition shaft shoulder; Said clamping cover is fixed on the shaft shoulder of location, the outside; Said clamping cover is disc, and the end face of location, the outside shaft shoulder is close in the inboard bottom surface of clamping cover; Be connected through bearing between the inboard of said clamping cover and location, the outside shaft shoulder and fix; The axial both sides of said bearing are equipped with the elasticity clamp; Insert in the draw-in groove that the clamping cover is inboard with the elasticity clamp matches said elasticity clamp upper end; Said two elasticity clamps prop up the inboard bottom surface of clamping cover respectively, and the end face of the inner transition shaft shoulder; The bottom of said clamping cover is provided with a plurality of screws, and screw is fixed on the clamping cover on the axis of guide in the end face insertion axis of guide of location, the outside shaft shoulder.

Because the utilization of technique scheme, the utility model compared with prior art has advantage:

Clamping device is used in a kind of bearing processing of the utility model scheme; Because clamping cover is connected through bearing with location, the outside shaft shoulder of the axis of guide, and the clamping cover is screwed on the axis of guide, guaranteed that clamping cover and machine tool chief axis are not eccentric; Make the bearing inner race of workpiece to be processed can not produce eccentric with the clamping cover because of the rotation of machine tool chief axis; Guaranteed the yield rate of workpiece, avoided parts loss, reduced maintenance cost, increased the service life of machine; The clamping cover is fixed on the axis of guide through screw, when needs are changed the bearing inner race to be processed of different model, dismantles more conveniently, also can not produce loss to parts, has improved the production efficiency of products and the quality of production.

Description of drawings

Below in conjunction with accompanying drawing the utility model technical scheme is described further:

Accompanying drawing 1 is that the clamping device structural representation is used in the bearing processing of prior art;

Accompanying drawing 2 is that the clamping device structural representation is used in the bearing processing of the utility model;

Wherein: 1, main shaft; 2, the axis of guide; 3, bearing; 4, oilstone; 5, clamping cover; 6, elasticity clamp; 7, screw; 8, bearing inner race; 9, draw-in groove; 10, the inner transition shaft shoulder; 11, location, the outside shaft shoulder.

The specific embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model is done further to specify.

Accompanying drawing 2 is that clamping device is used in the described a kind of bearing processing of the utility model, comprises the axis of guide 2 and clamping cover 5; The said axis of guide 2 is fixed on the main shaft 1 of lathe; Said clamping cover 5 is fixed on the tail end of the axis of guide 2, and bearing inner race 8 to be processed is fixed on the clamping cover 5; The tail end of the said axis of guide 2 is provided with location, the outside shaft shoulder 11 and the inner transition shaft shoulder 10; Said clamping cover 5 is fixed on the shaft shoulder of location, the outside 11; Said clamping cover 5 is a disc, and the end face of location, the outside shaft shoulder 11 is close in clamping cover 5 inboard bottom surfaces; Be connected through bearing 3 between the inboard of said clamping cover 5 and location, the outside shaft shoulder 11 and fix; The axial both sides of said bearing 3 are equipped with elasticity clamp 6; Insert in the draw-in groove 9 that clamping cover 5 is inboard with elasticity clamp 6 matches said elasticity clamp 6 upper ends; Said two elasticity clamps 6 prop up the bottom surface of clamping cover 5 inboards respectively, and the end face of the inner transition shaft shoulder; The bottom of said clamping cover 5 is provided with a plurality of screws 7, and screw 7 fixes on clamping cover solid 5 on the axis of guide 2 in the end face insertion axis of guide 5 of location, the outside shaft shoulder 11.

Below only be the concrete exemplary applications of the utility model, the protection domain of the utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, or any to move mode dull and stereotyped described in the utility model, all drop within the utility model rights protection scope.

Claims

1. clamping device is used in a bearing processing; Comprise the axis of guide and clamping cover; The said axis of guide is fixed on the main shaft of lathe; Said clamping cover is fixed on the tail end of the axis of guide, and bearing inner race to be processed is fixed on clamping and puts, and it is characterized in that: the tail end of the said axis of guide is provided with the outside location shaft shoulder and the inner transition shaft shoulder; Said clamping cover is fixed on the shaft shoulder of location, the outside; Said clamping cover is disc, and the end face of location, the outside shaft shoulder is close in the inboard bottom surface of clamping cover; Be connected through bearing between the inboard of said clamping cover and location, the outside shaft shoulder and fix; The axial both sides of said bearing are equipped with the elasticity clamp; Insert in the draw-in groove that the clamping cover is inboard with the elasticity clamp matches said elasticity clamp upper end; Said two elasticity clamps prop up the inboard bottom surface of clamping cover respectively, and the end face of the inner transition shaft shoulder; The bottom of said clamping cover is provided with a plurality of screws, and screw is fixed on the clamping cover on the axis of guide in the end face insertion axis of guide of location, the outside shaft shoulder.