Machining die for weakening groove of blanking cap part

• Main Authors: YAN QIHUAI, ZENG ZHENGJUN, WANG JIE, DU JUAN, CHENG YUANJIANG, CHEN YUANXUAN, WANG NI, LI XIAOJU, TU QIANG, RAN HAIJUN
• Format: Patent
• Language: Chinese; English
• Published: 27.08.2021
• 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 invention provides a machining die for a weakening groove of a blanking cap part. The machining die comprises an upper die plate, a lower die plate, a base plate, a positioning pin, limiting columns, guide columns and a convex die; the base plate is installed at the front end of the upper portion of the lower die plate; the positioning pin is installed in the middle of the base plate; a plurality of limiting holes are formed in the positions, close to the edge, of the base plate; the lower ends of the limiting columns are embedded in the limiting holes; the guide columns are located between the upper die plate and the lower die plate and perpendicularly fixed to the rear end of the lower die plate; the upper die plate is provided with guide sleeves which are in sliding connection with the guide columns; the top of the upper die plate is further provided with a mandrel used for being connected with a punching machine; the convex die is installed at the lower end of the upper die plate; the lower end of the