JPH0290095U

JPH0290095U -

Info

Publication number: JPH0290095U
Application number: JP16959188U
Authority: JP
Priority date: 1988-12-28
Filing date: 1988-12-28
Publication date: 1990-07-17

Description

[Brief explanation of drawings]

第１図と第２図は本考案に係る切断装置の一実
施例を示す側断面図とその要部正面図、第３図は
ゴムチユーブを用いたコレツトの側断面図である
。４……第１チヤツク部、４ａ……第１チヤツク
部先端部、４ｂ……テーパ面、４ｄ……雄ねじ、
５……第２チヤツク部、５ａ……フランジ部、５
ｂ……第２チヤツク部係止溝、５ｃ……雌ねじ、
６……第１回転体、６ａ……リング体、６ｂ……
楕円内カム、６ｃ……第１回転体係止溝、７……
第２回転体、７ａ……外リング、７ｂ……円板、
７ｃ……挿通孔、７ｄ……係止片、８……カツタ
刃、９……被切断部材、１２……ボールプランジ
ヤ、１３……係止突起。 1 and 2 are a side sectional view and a front view of essential parts of an embodiment of the cutting device according to the present invention, and FIG. 3 is a side sectional view of a collet using a rubber tube. 4...first chuck part, 4a...first chuck part tip, 4b...tapered surface, 4d...male thread,
5...Second chuck part, 5a...Flange part, 5
b...Second chuck part locking groove, 5c...Female thread,
6...First rotating body, 6a...Ring body, 6b...
Oval inner cam, 6c...first rotating body locking groove, 7...
Second rotating body, 7a...outer ring, 7b...disk,
7c...Insertion hole, 7d...Locking piece, 8...Cut blade, 9...Member to be cut, 12...Ball plunger, 13...Locking protrusion.

Claims

[Scope of utility model registration request]

A first chuck, which is a cylindrical body through which a long member to be cut is inserted, and has a plurality of vertical grooves on the tip end, which is the cutting position side, a tapered surface on the outer circumferential surface thereof, and a male thread on the outer circumferential surface of the rear end. and a cylindrical body that is fitted onto the first chuck, and has a flange portion protruding inwardly and outwardly at the peripheral edge of the distal opening, a locking groove on the entire outer circumference of the distal end, and a stopper hole at a predetermined position within the locking groove. , and a second chuck portion having a female thread formed on the inner circumferential surface of the rear end portion thereof to be screwed into the male thread on the outer periphery of the first chuck portion, and a second chuck portion such that the distal end portion of the second chuck portion is latched to the outer flange portion thereof. In addition to fitting the ring body externally, an elliptical inner cam is integrally provided on the tip and cutting side of the ring body, and at multiple locations on the circumferential surface of the ring body,
A ball plunger is provided which elastically fits into the locking groove of the second chuck, and a locking protrusion is provided at a predetermined position on the inner peripheral surface of the elliptical inner cam, and a locking groove is provided around the entire rear outer peripheral edge of the elliptical inner cam. It consists of a first rotary body formed respectively, and a disk having an outer ring fitted around the outer periphery of the elliptical inner cam protruding from the periphery of the rear surface, and an insertion hole for the member to be cut and an outer ring in the center of the disk. a second rotating body integrally provided with locking pieces that fit into locking grooves on the outer peripheral edge of the elliptical inner cam; The second
A cutting device comprising a pair of opposing cutter blades that rotate together with a rotating body and are locked to locking protrusions on the inner circumferential surface of an elliptical inner cam.