Punching machine for machining piston assemblies used for automobile brakes
A technology for piston parts and automobile brakes, applied in the field of mechanical forging, can solve problems such as die wear and tear, and achieve the effects of improving die strength, increasing die life, and improving work efficiency.
Active Publication Date: 2016-01-13
浙江铭锐金属制品股份有限公司
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The invention relates to a punching machine for machining piston assemblies used for automobile brakes. The punching machine comprises an upper machine body, a lower machine body, an upper die base, a lower die base, an upper die, a lower die, fixing plates, side pressing blocks, a limiting sleeve, a guide column, a bearing table and an ejector rod. The side pressing blocks are fixedly connected with the lower die. The limiting sleeve is fixedly connected to the outer side of the guide column. The guide column is fixedly connected to the two sides of the side pressing blocks. The upper die base is fixedly connected to the upper machine body. The lower die base is fixedly connected to the bearing table. The bearing table is fixedly connected to the lower machine body. The lower die is placed between the side pressing blocks and the lower die base. The lower die comprises an outer die body, an inner die body and connecting keys. The interior of the outer die body is provided with two grooves. The edge of the inner die body is provided with two notches. Each connecting key is triangular. The grooves of the outer die body correspond to the notches of the inner die body. The inner die body is connected with the outer die body through the connecting keys. The ejector rod is fixed to the center of the lower machine body and penetrates through the lower machine body, the bearing table, the lower die base and the lower die. By means of the punching machine, the problems that the lower die is prone to cracks and short in service life are solved, the service life of the lower die is prolonged, and working benefits are increased.
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