Independent male die ejection mechanism of multi-station cold heading machine

Abstract

The invention discloses an ejection mechanism for an independent male die of a multi-station cold heading machine, which includes a main slider and a driving source, the driving source is located above the main slider and can undergo relative sliding in the horizontal direction, and the driving source includes a horizontally arranged The long strip block and the short strip block, the short strip block is arranged on the lower end surface of the long strip block, and there is a height difference between the two ends of each short strip block lower end surface and the lower end surface of the long strip block respectively, and the main slide The block is provided with a swing lever and an ejector arm arranged up and down. The ejector arm has a first arm and a second arm with a certain angle. Block rotation connection, the left end of the swing rod is connected to the free end of the first arm through the connecting rod, a return spring is arranged between the first arm and the main slider, and the free end of the second arm can move closer to or away from the right end of the push rod direction of movement. In the present invention, the swing range of the ejector arm is relatively large, the area occupied by the driving source is small, and the ejection distance of the ejector rod is large.

Description

technical field [0001] The invention relates to an independent male mold ejection mechanism of a multi-station cold heading machine. Background technique [0002] The male mold ejection mechanism of the cold heading machine is driven by the crankshaft as the driving source, and controls the rotation of the ejector arm through a series of transmission components. The rotating ejector arm ejects the ejector rod, and the ejector rod is ejected. It is determined by the swing angle of the ejector arm, and the swing range of the ejector arm is determined by the motion of the crankshaft. Since the motion of the crankshaft is fixed and small, the swing range of the ejector arm is small and cannot be adjusted. Correspondingly, the ejector rod The ejected distance is small and the ejected distance is constant; the placement of the crankshaft requires a large footprint; generally, the cold heading machine is equipped with multiple male mold ejection mechanisms, considering the large fo...

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Problems solved by technology

[0002] The male mold ejection mechanism of the cold heading machine is driven by the crankshaft as the driving source, and controls the rotation of the ejector arm through a series of transmission components. The rotating ejector arm ejects the ejector rod, and the distance that the ejector rod is ejected It is determined by the swing angle of the ejector arm, and the swing range of the ejector arm is determined by the path of the crankshaft. Since the path of the crankshaft is fixed and small, the swing range of the ejector arm is small and cannot be adjusted. Correspondingly, the ejector rod The ejected distance is small and the ejected distance is constant; the placement of the crankshaft requires a large footprint; generally, the cold heading machine is equipped with multiple male mold ejection mechanisms, considering the large footprint of the crankshaft A set of male mold ejection mechanism is equipped with only one crankshaft, and one crankshaft jointly drives multiple male mold ejection mechanisms. In addition, the thickness of the connecting rod is limited, so only multiple male mold ejection mechanisms can be adjusted as a whole. The ejector mechanism cannot be adjusted independently, and the applicability is poor

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