SU1349878A1 - Cutting tool - Google Patents

Abstract

The invention relates to the processing of materials by cutting and can be used for machining holes and hard-to-reach surfaces. The aim of the invention is to increase reliability by reducing vibrations. In case 1, a hole is made at an angle to the longitudinal axis of the tool and rings 2, 3 are installed on it, on which the cutting elements 5, 6 can be rotated. The revolving elements 5, 6 are adjusted to a different radial size due to the inclined position of the fingers 2, 3. When rotating in one direction, one of the cutting elements enters the work, for example 5, and when rotating in the other direction, it enters another cutting element 6. Due to the fact that the cutting elements are not mounted in closed grooves on fingers 2, 3, their rigid position is created in the process of work. 1 hp f-ly, 8 ill. SL 00 4: CO 00 OO IG. one

Description

The invention relates to the field of machining materials and can be used for machining holes and hard-to-reach surfaces.

The aim of the invention is to increase iaadnosti.

FIG. 1 shows () tool, longitudinal section; FIG. 2 - section A-- A in FIG. one; FIG. 3 cutting

tool with iod11ruzhi -: screw, longitudinal section; in fig. 4 - the same with the protrusion; in fig. 5 - section B - B in FIG. four;

on fi | -. 6 shows section B - B in FIG. four; on

FIG. 7 - rezhup1, iy instrument with emphasis

on the finger; in fig. 8 cut Gd on

(}) 7

The cutting tool contains a body 1, in which the holes are), inclined by an iodus angle | 3, and fingers 2 and 3 are installed in them, and a dog: nominally fastened with screws 4. They have cutting elements 5 on these fingers. 1 6 in the form of incisors with the possibility of rotation within the angle H, measured between surfaces 7 (limit,: 1 stop) and 8 corps 1. by; | scientif.mp on it in the cut; selections. On the fingers 2 and 3 there is a support surface 9, with which the L TByioT side surface 10 has a cutting of elements 5 and 6, which are interacting with the stonor by the end of the head 11. Iia. Bij, bi 2 and 3 longitudinal change) c .:ie releasing them, which allows perv. inpoiusTb outreach of the cutting elements 5 and 6. BepHiHiii ;, the latter are located according to the radii RI and R-2. Regulation of the outreach of the cutting elements G1ChLz of cus; t; when screwing in the pa; i) Tsev 2 n 3 in opposite directions.

I cut a tool with an iodine tool with {) assembled corius, consisting of a holder 12 and a mandrel 13, secured with a tongue 14 and virgom 15. Under the holder (12 to the longitudinal axis of the body of the hole, and P They are installed on the ends 2 and 3, in the windows of which the screws 5 are fixed with screws 16, respectively. The fingers 2 and 3 are nomengens with air potential, 1H1G (the displacements are respectively 17 and 18 not suitable for interfacing with them and revisiting the summer of the cutting elements 5 and 6 from the housing, and spring loaded 19 by the stop 20 (flexible stop), located in a threaded bushing 21, into which the nibka liBepii via 22. Pressure pressure is restored) from the conditions of free rotation of the fingers 2 n 3 within the H angle depending on the change in direction nran1enl.All obeglemenny rya; yeni PO; 1 force and percine fingers 2 and 3 are equipped with B1) 1bok.mi 23 and 24,) from the side, from the side of the departure mode

five

0

five

0

five

0

five

0

HJ.HX elements 5 and 6 of the housing. The change of the indicated overhang is carried out by longitudinal movement of the fingers 2 and 3 by screwing in the plugs 17 and 18.

To regulate the protrusion of the cutting element 5 from the housing I, a stopper 25 is inserted, through which a screw 25 is fastened to secure a new cutting element. At the same time, a gap is provided between the stopper 25 and the screw 26 to prevent the harmful effects of training at the finger rotation 27. The favorable conditions for the relative rotation of the finger 27 are ensured by the fact that a height 28 is fixed on it. tin is displaced in the direction of departure of the cutting element 5, and the node ledge 28 is provided with a window 29. With the reduction of harmful waste - chips in the nail 30 a stop 31 is fixed, for example, in the form of a pin or screw, under which in the case 1)) window 32 In this case, the angle of rotation of the unor is 31 b H, i.e. angle b, chosen the same m, which excludes contact of the surfaces of the cutting element 5 with the surfaces 33 and 34 of the housing 1. As a stop, the protrusion 28 can be used, but it can also be detected until; 1, condition B. F

The redirecting interface is tuned to the exact size;); the following: / image. Rack-rake-ngl) 1 2 and 3, B1 at the hinge vnnt 4. Then turn the finger: 2 and 3, from 4er (j is the departure of the cutting elements 5 and b from the root 1. Rezupish element 5 n isstraiva.yut obtaining the radial size Ri, and the cutting element 6 - to obtain the size of the K; nose. To do this, fix the fingers 2 and 3 with the screw 4. To adjust to the size of the cutting elem. 1 n 6 (Fig. 3), turn respectively, the plugs 17 and 18. Cutting element 5 is adjusted to the size of the Ivorotom n | kk kn 25 (Fig. 4), while for picking the axial clearance the finger 27 is pressed to the hammer 25. The magnitude of the radial The displacement of h; and the total cutting element is determined only by the shape.

h 2. siri (3, where E is Be; 1 is iremeni

Cutting tool.ment works in a NIM fashion.

Fixed parts. On the machine. Turn on rotation ntsts1ndel and ;;. Nodachi movement. At the right turn during the forward rotation, the cylindrical surface of the cutting is machined with the cutting element 6, the outer diameter of 2R2. In this mode, P1, ny element 5 is closed, i.e. as a result of rotation from rotation, 1nndel contacts the surface 8 of Cornus 1, while the cutting element b contacts the surface 7. The direction of rotation changes in the reverse direction. opening the cutting element 5 and the contracting direction meit 6. Provide treatment with the cutting element 5, providing a diametrical

size 2Ri. If a cylindrical surface is machined and then a recess (chamfer) in a hard-to-reach place, the following movements are performed. After machining the cylindrical surface, the direction of rotation is changed in the forward direction and the undercut (chamfer) is machined. The cutting element is removed from the latter and the direction of rotation is changed, and then the cutting tool is removed from the part,

Claims (2)

Claim 1. Cutting tool comprising a body, at least one finger with pe0 A mounting element mounted in the housing opening along its axis can be rotated relative to it, and a restrictive stop, characterized in that in order to improve the reliability, the opening in the housing is made at an angle to the tool axis and the finger is mounted for longitudinal movement. 2. The tool according to claim 1, characterized in that it is provided with an adjusting element, which is installed with the possibility of interaction with a finger. 2, 17 2 2 16 20  I h  26 Fig 27 in-in 5 Fi2.6 -Cg g.7 31 gd Fi2.8