SU1222424A2 - Cutting tool - Google Patents

Description

I .1222424

The invention relates to metalworking.

The purpose of the invention is to expand the technological capabilities of the cutting tool by eliminating the details of the cutting tool in the absence of a cutting insert.

FIG. 1 shows a cutting tool plan; in fig. 2 is a section A-A in FIG. 1.10

The cutting tool includes a holder 1, a movable lining 2 a pin 3, a cutting plate 4, a support element 5 and a spring 6. On the holder 1

the possibility of interaction with an additional supporting surface of the 8th displacement of the movable lining by the value of e. The distance –B between the end surface of the groove in the movable lining and. the protrusion 9 of the reference element is selected in accordance with the equality

i, ftgH,

where B is the width of the holder.

Therefore, in the absence of the cutting plate 4 movable lining 2 m

supporting wall 7 is made and will additionally be shifted to the right only by

solid support surface 8, located behind the movable lining. The pin 3 is cylindrical and is located in the holes of the movable lining 2 and the cutting plate 4. The supporting element 5 is made wedge and provided with a protrusion 9 located in the groove of the movable lining 2. The spring 6 is located in the hole of the protrusion 9

and is designed to hold the support 25 on the movable lining 2 in the nepgo element 5 in the slot of the holder 1 in the absence of the cutting plate 4. On the holder 1 there is also a protrusion. 10, located in the groove 11 of the movable lining 2, with the groove 11 t protrusion 10 located at an angle H to the support wall 7 of the holder 1.

The protrusion 9 of the support element 5 is located in the groove of the movable lining with

the possibility of interaction with an additional support surface 8 at the displacement of the movable lining by a value of e. Distance-B between the end surface of the groove in the movable lining and. the protrusion 9 of the support element is selected in accordance with the inequality

i, ftgH,

where B is the width of the holder.

Therefore, in the absence of the cutting plate 4, the movable lining 2 of the L rover, after which the gap 3 is selected and the movable lining 2 together with the supporting element 5 is wedged on the holder. The clamping of the cutting insert 4 on the holder 1 is made by pressing on the movable backing 2 in the direction of the RE force. The unclamping of the cutting plate takes place when the force Pp is pressurized.

To assemble the cutting tool, a pin 3 and a support element 5 with a spring 6 are placed on the movable lining. Then the spring 6 is compressed, the protrusion 9 touches the end surface of the groove in the movable lining. Thereafter, the movable lining is inserted from the left into the seat of the holder 1.

Editor I. Derbak

(Put.z

Compiled by V. Zolotov

Tehred M. Morgental Proofreader E. Roshko

Order 1647/11

Circulation 1001

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

 Oiijruan PIP Patent, Uzhgorod, st. Project, 4

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Claims (1)

CUTTING TOOL No. 1177065, characterized in that, in order to expand its technological capabilities, an additional support is made on the holder H <I · tgM ¹ , where B is the width of the holder; E ³ - the angle between the protrusion and the supporting wall of the holder.