Patent ID: 9388715
Filing Date: 2016-07-12
CPC Classification: B23P,F01L,Y10T

Claim Text:
1. An assembling apparatus for assembling a valve retainer including a pair of cotter pieces to a cylinder head, comprising: a main pallet on which the cylinder head is placed; a sub pallet which is detachably attached to said main pallet and on which at least the valve retainer is placed; a conveyance mechanism configured to horizontally convey said main pallet; a lifting mechanism provided under a predetermined position of a conveyance track of said main pallet by said conveyance mechanism and configured to disconnect, from said main pallet, the cylinder head placed on said main pallet and lift/lower said cylinder head; a moving mechanism provided on one side of said lifting mechanism and configured to detach, from said main pallet, said sub pallet attached to said main pallet and lift/lower said sub pallet; a rotation mechanism configured to hold the cylinder head lifted to a work operation region by said lifting mechanism and roll the cylinder head about a horizontal axis; an operation unit including a retainer holding tool configured to hold the valve retainer, and configured to extract, by said retainer holding tool, the valve retainer from said sub pallet lifted to a part preparation region by said moving mechanism and assemble the valve retainer to a valve stem of a valve incorporated in the cylinder head; and a detaching device arranged between the work operation region and the part preparation region and configured to detach the pair of cotter pieces of the valve retainer in said retainer holding tool such that the valve stem can be inserted and cause said retainer holding tool to hold the pair of cotter pieces.