| 摘要 |
The present invention relates to a method and apparatus for simultaneously assembling a plurality of elongated contacts within corresponding apertures provided in a printed circuit board. According to the assembly techniques of the present invention, an entire row of elongated contacts are initially manually inserted into corresponding rows of P.C. board apertures with the aid of a hand tool. In the present invention, the printed circuit board is mounted on a carriage of an insertion machine. The initially inserted row of contacts partially protrudes through the P.C. board and is received in the jaws of a vise. In the operation of the insertion machine, the vise jaws close and grip the row of protruding contacts. Sequentially, a limited and precisely adjusted relative motion is effected between the P.C. board carriage and the vise. Such operation causes a corresponding limited and precisely controlled relative displacement between the inserted row of contacts and the P.C. board, thus forcibly positioning and seating the enlarged, interference fit portions of the contacts within corresponding apertures of the P.C. board. In this manner, all contacts of the row are precisely positioned simultaneously in desired registration within the printed circuit board. Sequentially, the vise jaws are opened, allowing an operator of the machine to remove the contacts therefrom and reposition the P.C. board on the carriage for insertion of another row of contacts. With the board thus repositioned, the machine may be reset for a repeated cycle of operation. In a modification of the machine, a mechanism is provided which is actuated after opening of the jaws, thereby automatically removing the row of contacts from the jaws. The purpose of this operation is to provide a substantial clearance between the P.C. board and the jaws, allowing the operator to reposition the P.C. board on the carriage without interfering with the vise jaws. With the P.C. board repositioned (desirably for insertion of another row of contacts) the operator may then reset the machine for a repeated cycle of operation. |
