Center punch structure for zipper tooth-planting machine

• Main Authors: GUOGUANG ZHU, GUOLIANG HUANG
• Format: Patent
• Language: English
• Published: 21.09.2005
• Edition: 7
• Subjects: MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; TRANSPORTING; WORKING OR PROCESSING OF METAL WIRE; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL

The utility model discloses a center punch structure for zipper tooth-planting machine, comprising a spindle (30), and a punching mould device (10) arranged on the spindle (30), which is characterized in that the center punch structure for zipper tooth-planting machine also comprises a lower punching mould device (20), the lower punching mould device (20) comprises a lower eccentric cam (21), a lower connecting rod (23), a lower pin shaft (24), a lower guide rod (26), and a lower punching mould (27), the lower eccentric cam (21) is positioned on the spindle (30) and is connected with one end of the lower connecting rod (23), the other end of the lower connecting rod (23) is connected with one end of the lower guide rod (26) through the lower pin shaft (24), the lower guide rod (26) passes through a lower guide groove (25) and can slide up and down in the lower guide groove (25), the other end of the lower guide rod (26) contacts with the lower punching mould (27) through a lower mould push rod (31). After the operation of center punch completed, under the action of the lower eccentric cam (21) and a spring (32), the lower punching mould (27) is pulled-out from raw material (19).