SU1180165A1 - Apparatus for mechanical working - Google Patents

Abstract

A MECHANICAL MACHINING DEVICE, comprising a housing on which tool holders with cutting, boring and chamfering cutters are mounted for movement, characterized in that, in order to expand technological processing capabilities, the tool holders with fascia cutters are mounted to turn on an axis inserted into the device, spring loaded relative to the housing, with grooves made in the said tool holders, and a mandrel with pins inserted in the device mounted awn reacting with said grooves. (L 00 Od O1

Description

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The invention relates to metalworking, in particular to the tooling of metal-cutting machines for simultaneous machining of holes, removal of external and internal chamfers and trimming of the ends.

The purpose of the invention is to expand the technological capabilities of the device by machining internal chamfers simultaneously with other types of processing.

FIG. 1 shows the device, a general view; in fig. 2 - the same, top view.

In case 1, fixedly mounted on the machine spindle, the mandrel 2 is mounted, which interacts with the tool holders 3 by means of pins 4 pressed into the mandrel 2.

The toolholders 3 have the ability to rotate about the axis 5 under the action of the springs 6.

In the initial position, the mandrel 2 is held by the spring 7 through the stop 8, while the pins 4 are in contact with the ledges 9 of the grooves 10 and keep the tool holders 3 in the non-working position.

In the working position, the mandrel 2 interacts with the tool holder 11 having a radial flow from the machine slide (not shown). The toolholder 11 presses the spherical surface of the mandrel 2 and moves it down. The pins 4, moving together with the mandrel 2, release the toolholder 652

The telephones 3, which under the action of the springs 6 extend from the housing 1 and occupy the working position. The device is also equipped with a boring cutter 12, a cutting cutter 13 and chamfering cutters 14.

The device works as follows.

A spindle is driven in the machine, and an axial feed is communicated to it, which causes the slider to move radially and the toolholder fixed on it.

Simultaneously in contact with the product

Boring cutters 12 and cutting cutter 13 enter. Fastening cutters 14 are inoperative until tool holder 11 touches mandrel 2. Interaction of tool holder 11 with mandrel 2 occurs at the moment when boring tools 12 finish surface treatment.

Under the action of centrifugal force and the springs 6, the toolholders 3, turning relative to the axis 5, are pulled out of the body 1 and the chamfering cutters 14 come into operation. When the device moves upward, the incisors 14 press out the tool holders 3 to their original position.

The use of the proposed device allows the machining of internal chamfers in conjunction with other types of machining.

Claims (1)

DEVICE FOR MECHANICAL PROCESSING, comprising a housing on which toolholders with cutting, boring and chamfer cutters are mounted for movement, characterized in that, in order to expand the technological capabilities of processing, tool holders with bevel chisels are mounted with the possibility of rotation on the axis introduced into the device, spring-loaded relative to the housing, with grooves being made in said toolholders, and a mandrel inserted into the device with pins that have the ability to Interaction of the specified slots. FIG. 1