Inside punching die of auto parts

• Main Authors: LUO HUALONG, QIN SHAOFA, YIN FA
• Format: Patent
• Language: Chinese; English
• Published: 15.06.2018
• Subjects: MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; TRANSPORTING; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL

The utility model provides an inside punching die of auto parts, including last mould and lower mould, go up and be equipped with positioning mechanism and side blow hole mechanism between mould and the lower mould, positioning mechanism includes arc locating piece, first square locating piece and the square locating piece of second, the lower extreme fixed connection lower mould of arc locating piece, upper end have the cambered surface corresponding with the work piece, and the both sides face is equipped with side blow hole mold insert, have the side blow transversely seted up in the mold insert of side blow hole and press the hole, and the arc locating piece is inside still to have the charging conduit of vertical that set up and punching press hole intercommunication, first square locating piece and the square locating piece of second set gradually the front side of arc locating piece and with lower mould fixed connection, because the arc portion of part and the bearing that all there are arc locating pi