JPH0215967U

JPH0215967U -

Info

Publication number: JPH0215967U
Application number: JP9342588U
Authority: JP
Priority date: 1988-07-13
Filing date: 1988-07-13
Publication date: 1990-02-01

Description

[Brief explanation of drawings]

第１図Ａは本考案に係る綾溝シヤフトの実施例
を示す正面図、第１図Ｂは第１図Ａの要部拡大図
、第２図は本考案に係る綾溝シヤフトの加工機の
実施例を示す正面図、第３図Ａは第２図の要部カ
ムを示す側面図、第３図Ｂは第３図Ａの正面図、
第４図は第３図のカム展開図、第５図は従来の綾
溝シヤフトの加工機を示す正面図である。１……シヤフト、２……研削刃、３……カム機
構、４……回転機構、１１，１２……溝、１３…
…転回部分、１４……拡巾部、３１……カム面、
３２……カム。 FIG. 1A is a front view showing an embodiment of the twill shaft according to the present invention, FIG. 1B is an enlarged view of the main part of FIG. 1A, and FIG. A front view showing the embodiment, FIG. 3A is a side view showing the main part of the cam in FIG. 2, FIG. 3B is a front view of FIG. 3A,
FIG. 4 is a developed view of the cam shown in FIG. 3, and FIG. 5 is a front view showing a conventional twill shaft processing machine. 1... Shaft, 2... Grinding blade, 3... Cam mechanism, 4... Rotating mechanism, 11, 12... Groove, 13...
...Turning part, 14... Widening part, 31... Cam surface,
32...cam.

Claims

[Claims for Utility Model Registration] 1. In a twill shaft in which spiral grooves are cut in opposite directions on the circumferential surface, and the spiral grooves at the ends of these grooves are turned to communicate with each other, A twill shaft characterized by forming a widened portion extending toward the outer periphery of the turning portion. 2. A grinding blade that grinds the peripheral surface of the shaft, a cam mechanism that guides the movement of the grinding blade in the axial direction of the shaft,
In a twill shaft processing machine that is equipped with a rotation mechanism that rotates the shaft around the shaft center line, the cam mechanism has a cam mechanism that moves the grinding blade in the axial direction of the shaft twice in one rotation, and A processing machine for a twill shaft, characterized in that it is equipped with a cam having a cam surface that rapidly increases the amount of movement of a grinding blade when switching between reciprocations and between other reciprocations.