A crank press

Abstract

The invention discloses a crank press machine. The crack press machine solves the problem that in the prior art, safety hazards are caused when a sliding block descends because the stamping stroke of the sliding block is inaccurate and equipment breaks down. According to the main point of the technical scheme, the crank press machine comprises a rack, and the rack comprises a worktable and a stamping sliding block driven by a crank mechanism; a protection device for supporting the stamping sliding block is installed on the worktable and comprises a top support base and a self-locking transmission mechanism for driving the top support base to make synchronous movement along with the stamping sliding block; the self-locking transmission mechanism and the crank mechanism are both synchronously controlled by a control device; the crank press machine has the advantages that the emergency protection device is arranged below the sliding block, so that over-stamping of the sliding block is avoided; therefore, the accuracy of the stamping stroke is improved, the scrap rate of products is reduced, and the safety of the equipment is improved.

Description

technical field [0001] The invention relates to the technical field of stamping, and more specifically, relates to a crank press. Background technique [0002] Crank press is the most commonly used cold stamping equipment, which is used as a working platform for cold stamping dies. The utility model has the advantages of simple structure and convenient use. In a crank press, a slide is mounted on a crankshaft, reciprocates vertically within a certain stroke due to the rotation of the crankshaft, and punches a workpiece toward a die to form a desired product. The rotary motion of the motor is converted into the linear reciprocating motion of the slider through the crank-slider mechanism, and the forging machine for forming and processing the blank, such as the metal inner bushing in the connecting sleeve of the lower swing arm of the automobile, is processed by stamping process. [0003] The utility model whose patent announcement number is CN202914609U discloses a kind of ...

AI Technical Summary

Problems solved by technology

[0005] In the process of driving the slider through the crank slider mechanism, the equipment is prone to aging after long-term use, and the cam is severely worn, which will cause the stamping stroke of the slider to be inaccurate, and it is easy to cause poor quality of the metal inner bush after forming. Problems, even during the stamping process due to operational errors, the hand is not pulled out in time, which can easily cause safety hazards

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