Technical characteristics of disc-shaped package substrate edger

Technical characteristics:

1. Disc-shaped package substrate edger, including: a base, characterized in that: a mounting seat is provided on the base, a rotating seat is rotatably provided in the mounting seat, a polishing block is provided in the rotating seat, and the polishing block A rounded cone-shaped grinding cavity is opened on the top, and the grinding cavity includes: a cylindrical cavity and a rounded cone cavity connected from top to bottom, the bottom of the cylindrical cavity is connected with the large diameter end of the top of the rounded cone cavity, and the central axis of the cylindrical cavity It coincides with the central axis of the rounding table cavity. The depth of the rounding table cavity is greater than the thickness of the package substrate. The base is provided with a transmission mechanism that can drive the rotating base to rotate in the mounting base. A support frame is set up on the base to support A support plate is horizontally arranged on the frame, and a push-pull oil cylinder is arranged on the support plate. The output shaft of the push-pull oil cylinder extends downward from the support plate. A suction cup is arranged on the output shaft extending from the support plate. The central axes of the cylindrical cavity and the rounded truncated cone cavity in the grinding cavity are aligned. 2. The disc-shaped package substrate edger of claim 1, wherein the connection structure between the mounting seat and the rotating seat is: a mounting hole is provided in the mounting seat, and a mounting hole is provided on the side wall of the mounting hole. A bearing hole is provided, a bearing is arranged in the bearing hole, the rotating seat is arranged in the mounting hole, the outer side wall of the rotating seat is tightly attached to the inner ring of the bearing, and a bearing gland is arranged on the top of the bearing hole. 3. The disc-shaped package substrate edger according to claim 1 or 2, characterized in that: an internal threaded hole is provided on the rotating seat, an external thread is provided on the outer side wall of the polishing block, and the The external thread is threadedly connected with the internal threaded hole on the rotating seat. 4. The disk-shaped package substrate edger according to claim 3, wherein the transmission mechanism comprises: a gearbox reducer arranged in the base, and a rotating shaft is connected to the gearbox reducer, and the rotating shaft penetrates upward. After the mounting seat is connected with the rotating seat key, the rotation direction of the gear reducer driving the shaft is the same as the thread tightening direction between the grinding block and the rotating seat. 5. The disc-shaped package substrate edger according to claim 1 or 2, wherein the suction cup is a vacuum suction cup made of nitrile material.

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