Cold header with adjustable bolt machining size

• Main Author: YIN BAOLIANG
• Format: Patent
• Language: Chinese; English
• Published: 12.05.2023
• Subjects: FORGE FURNACES; FORGING; HAMMERING; MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PRESSING METAL; PUNCHING METAL; RIVETING; TRANSPORTING

The invention discloses a bolt machining size adjustable cold header which comprises a support and a cold header body. Comprising a base, an assembly cavity, a first through hole, an electric hydraulic lifting rod, a positioning shaft, a first outer gear ring, a first bearing, a first driving gear, a first servo motor, a screw placement blind hole, a second through hole, a screw supporting plate, a spring, a second outer gear ring, a second bearing, a second driving gear, a second servo motor and a head forming through hole. The cold header die is simple in structure, reasonable in design and capable of being suitable for machining of bolts of various models, the die replacement time is shortened, and the cold header adjusting efficiency is improved. 本发明公开了螺栓加工尺寸可调的冷镦机，包含支架、冷镦机主体，包括底座、装配腔、第一通孔、电动液压升降杆、定位轴、第一外齿轮圆环、第一轴承、第一驱动齿轮、第一伺服电机、螺杆放置盲孔、第二通孔、螺杆托板、弹簧、第二外齿轮圆环、第二轴承、第二驱动齿轮、第二伺服电机、头部成型通孔。本发明结构简单、设计合理，能够适配多种型号的螺栓加工，减少模具的更换时间，提高冷镦机调节效率。