초록 ▼

A method and apparatus for fitting, by a manipulator, a cylinder head to an engine block in proper registry relative to each other through engageable locating pins and recesses prior to assembling rigidly with a plurality of coupling bolts into one whole integral body in an automatic assembling line

A method and apparatus for fitting, by a manipulator, a cylinder head to an engine block in proper registry relative to each other through engageable locating pins and recesses prior to assembling rigidly with a plurality of coupling bolts into one whole integral body in an automatic assembling line. The engine block is formed with bolt engaging bores and is placed on the main assembly line. Coupling bolts are inserted through bolt receiving bores formed in the cylinder head with the bolts protruding. The cylinder head is brought from an auxiliary assembly line and set on the engine block while inserting the protruding coupling bolts into the bolt engaging bores and thereby the cylinder head is securely, albeit temporarily, held on the engine block pending tightening of the coupling bolts even if the locating pins and recesses are not perfectly aligned.

대표청구항 ▼

A method of fitting a cylinder block and a cylinder head together at a plane which is inclined to the horizontal prior to rigidly fixing, and thereby assembling, said cylinder block and cylinder head with coupling bolts into a V-type automobile engine body having two series of cylinder bores in an a

A method of fitting a cylinder block and a cylinder head together at a plane which is inclined to the horizontal prior to rigidly fixing, and thereby assembling, said cylinder block and cylinder head with coupling bolts into a V-type automobile engine body having two series of cylinder bores in an automatic assembling line, said cylinder block and cylinder head being provided with mutually coacting locating means in their fitting surfaces to bring said cylinder block and cylinder head into proper registry, said method comprising: placing a cylinder block at a predetermined position relative to an automatic assembling line, said cylinder block being provided with an inclined fitting surface formed with coupling bolt engaging bores having a circular recess with a diameter larger than that of said engaging bores; inserting coupling bolts through and protruding out of coupling bolt receiving bores formed in a fitting surface of a cylinder head placed at a preselected different position by means of a manipulator, said manipulator including gripping means having a plurality of clamping fingers for holding said coupling bolts; setting the fitting surface of said cylinder head in juxtaposition to the fitting surface of said cylinder block by means of said manipulator while inserting the protruding portion of said coupling bolts into one of said circular recesses and said coupling bolt engaging bores; mutually coacting said locating means of said cylinder block and said cylinder head to bring said cylinder block and said cylinder head into proper registry with said coupling bolts received in one of said circular recesses to couple said cylinder block and said cylinder head temporarily together; and tightening said coupling bolts into said coupling bolt engaging means to rigidly fix said cylinder block and cylinder head together, whereby assembling them into one whole engine body.