JPH0432839U

JPH0432839U -

Info

Publication number: JPH0432839U
Application number: JP7516890U
Authority: JP
Priority date: 1990-07-13
Filing date: 1990-07-13
Publication date: 1992-03-17

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例の破断正面図、第
２図はその概略平面図、第３図は同じくその交換
アームの平面図、第４図は第１図の一部を拡大し
て破断した拡大破断正面図、第５図は同じくその
カム機構の拡大破断平面図、第６図は従来例の破
断正面図、第７図はその部分拡大断面図である。１……テーブル、３……スピンドル、８……パ
レツト受台、９……交換アーム、９ａ，９ｂ……
単位交換アーム、１０……パレツト交換装置、１
１……カムボツクス、１６……クランプ装置、２
３……回転軸、２４……連結部材、２６……カム
機構、２８……円弧突条、２９……抜止め片、３
０……被係合部、３１……円弧溝（係合部）、３
２……交換アーム持上げ筒、Ｐ１，Ｐ２……パレ
ツト。 Fig. 1 is a cutaway front view of one embodiment of this invention, Fig. 2 is a schematic plan view thereof, Fig. 3 is a plan view of the exchange arm, and Fig. 4 is a partially enlarged view of Fig. 1. FIG. 5 is an enlarged cutaway plan view of the cam mechanism, FIG. 6 is a cutaway front view of the conventional example, and FIG. 7 is a partially enlarged sectional view thereof. 1...Table, 3...Spindle, 8...Pallet pedestal, 9...Exchange arm, 9a, 9b...
Unit exchange arm, 10...Pallet exchange device, 1
1... Cam box, 16... Clamp device, 2
3... Rotating shaft, 24... Connecting member, 26... Cam mechanism, 28... Arc protrusion, 29... Retaining piece, 3
0...Engaged part, 31...Circular groove (engaging part), 3
2... Exchange arm lifting tube, P1, P2... Palette.

Claims

[Scope of utility model registration request]

An exchange arm is placed between the table at the processing position on which the pallet is placed and the pallet pedestal, and is driven to move up and down and rotate.The exchange arm is provided at the tip of the exchange arm and is attached to the connected part of the pallet in the width direction of the exchange arm. an engaging part that freely engages; a rotating shaft that is located at the center of rotation of the exchange arm so that it can only rotate freely; and an engagement part that is provided at the upper end of the rotating shaft on both sides in the width direction of the exchange arm. A pallet exchange device comprising a retaining piece that pinches the engaged portion of the pallet as the pallet rises.