JPS61137405U

JPS61137405U -

Info

Publication number: JPS61137405U
Application number: JP1913485U
Authority: JP
Priority date: 1985-02-15
Filing date: 1985-02-15
Publication date: 1986-08-26

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例のチヤツク装置の断
面図、第２図は同じく左側チヤツクの正面図、第
３図は割出ピンの拡大図、第４図は円板状受台の
拡大断面図、第５図は円板状受台の拡大正面図、
第６図は従来のアタツチメント嵌着部の異物によ
る精度低下の状態図、第７図はアタツチメントの
肉厚過小の状態図、第８図はアタツチメントの傾
きによる誤差の発生状態図である。１……受金、２……アタツチメント、３……異
物、打痕、４……受金１の軸心、８……偏心量の
差、１１……アタツチメント、１３……偏心量の
差、１６……クランク軸、２８……ピニオン軸、
２９……ラツク付割出ピン、３０……円板状受台
の割出穴、３１……プツシヤ、３２……ストツパ
、３３……プツシヤシリンダ、３６……ダストシ
ール、４２……左側チヤツクのクランプシリンダ
、４３……右側チヤツクのクランプシリンダ。 Fig. 1 is a sectional view of a chuck device according to an embodiment of the present invention, Fig. 2 is a front view of the left chuck, Fig. 3 is an enlarged view of the index pin, and Fig. 4 is an enlarged view of the disc-shaped cradle. A sectional view, FIG. 5 is an enlarged front view of the disc-shaped pedestal,
FIG. 6 is a diagram showing a state in which accuracy is degraded due to foreign matter in a conventional attachment fitting portion, FIG. 7 is a state diagram in which an attachment is too thick, and FIG. 8 is a state diagram in which an error occurs due to an inclination of an attachment. 1... Receiver, 2... Attachment, 3... Foreign object, dent, 4... Axial center of receiver 1, 8... Difference in eccentricity, 11... Attachment, 13... Difference in eccentricity, 16...Crankshaft, 28...Pinion shaft,
29... Index pin with rack, 30... Index hole in disc-shaped pedestal, 31... Pusher, 32... Stopper, 33... Pusher cylinder, 36... Dust seal, 42... Clamp cylinder on left chuck. , 43...Clamp cylinder on the right chuck.

Claims

[Scope of utility model registration request]

A crankshaft pin processing machine characterized by providing a plurality of semi-cylindrical grooves on the outer periphery of a disk that match the gripping diameter of the workpiece and the eccentricity of the pin, and allowing easy setup changes by simply indexing them as necessary. chuck device.