JPS61107705U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a longitudinal cross-sectional view of a positioning jig showing an embodiment of the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a longitudinal cross-sectional view of a positioning jig showing a modified embodiment of the present invention. 1 and 11 are positioning jigs, 2 and 12 are outer jigs, 3 and 13 are inner jigs, 4 and 14 are workpieces, and 3c
, 13c are holding recesses of the inner jig.

Claims (1)

[Claims for Utility Model Registration] 1. An outer jig in the shape of an open-top container, at least a part of the outer circumferential surface of which serves as a positioning reference surface on a processing line and has impact resistance; and an inner jig that is removably fitted and forms a holding recess that conforms to the outer peripheral shape of the lower half of the container-like workpiece and allows the lower half to be stably accommodated. Positioning jig. 2. The positioning jig according to claim 1, wherein the outer jig has an outer peripheral surface shape of an ellipse in plan view. 3. The above-mentioned inner jig is in the shape of a container with an open top, and the inner circumferential surface of the container-shaped inner jig forms a holding recess formed to match the outer circumferential shape of the lower half of the workpiece. A positioning jig according to the first or second range. 4 The above-mentioned inner jig consists of a holding body having a holding hole in the center and a bottom plate for height adjustment, and the air space from the holding hole of this holding body to the bottom plate for height adjustment is formed as the holding recess. A positioning jig according to claim 1 or 2 of the utility model registration claim.