Vertical type crank press braking mechanism
A crank press and brake mechanism technology, applied in the field of presses, can solve the problems of energy consumption and braking effect of the brake mechanism, instability, etc., to ensure normal production and production safety, long life of parts, and good adaptability Effect
Inactive Publication Date: 2009-10-14
陈浩波
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Problems solved by technology
[0003] The object of the present invention is to overcome the shortcomings of the existing braking mechanism in terms of energy consumption and unstable braking effect, and provide a vertical crank press braking mechanism with low energy consumption, energy saving and stable braking effect
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[0013] In this embodiment, a cam 1 is mounted on the crank press crankshaft 2 tail end, and the cam curve surface 11 of this cam 1 is designed with the required braking force of each period of time when the press works. A rocking arm 5 with fixed fulcrum 3 is installed at the corresponding place of the press body. A pressure roller 4 with a rolling bearing is installed on the rocker arm 5. The position of the pressure roller 4 with a rolling bearing is aligned with the cam 1. A strong spring 6 is connected to the other end of the rocking arm 5, and the spring 6 tightens the pressure roller 4 with a rolling bearing. In contact with the cam 1, the connection between the spring 6 and the rocker arm 5 is equipped with an adjusting nut 7, through which the pressure of the pressure roller 4 with rolling bearing and the cam 1 can be adjusted to cooperate with the press.
[0014] Attached below figure 2 The working principle of the present invention is further illustrated: when the ...
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The invention in particular relates to a brake mechanism of a crank press, which includes a cam, a press crankshaft as well as a fixed fulcrum, a pressing wheel with a rolling bearing, a rocker arm and a spring. The cam is arranged at the tail end of the press crank; a cam curve surface of the cam is designed according to braking force required by the press in each working period; one end of the rocker arm is connected with a machine body through the fixed fulcrum which fixed on the machine body; the pressing wheel with the rolling bearing is arranged on the rocker arm and the position of the pressing wheel with the rolling bearing is aligned at the cam; the other end of the rocker arm is connected with one end of the spring and the other end of the spring and a spring fixed on the machine body tightly hold the pressing wheel with the rolling bearing to allow the pressing wheel with the rolling bearing to contact with the cam. The invention has low energy consumption as well as favorable energy-saving and stable braking effect.
Description
Technical field: [0001] The invention relates to the technical field of presses, in particular to a brake mechanism of a crank press, that is, a stop brake of a press and a brake mechanism for anti-advancement of a sliding block during motion. Background technique: [0002] It is customary in the industry that the braking mechanism of the commonly used small and medium-sized vertical crank presses mostly adopts band brakes, but the principle of band brakes is to use the friction material to generate friction with the brake wheel to create a braking torque to achieve braking. Purpose. Due to the effect of braking torque in this way, the energy loss of the press increases, and the press consumes 10-20% of the energy on the brake, and generates harmful heat, which accelerates the wear of the friction material. In particular, the braking effect of complete lubrication and incomplete lubrication is unstable. There are certain hidden dangers to the working stability and safety o...
Claims
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IPC IPC(8): B30B15/10B30B1/26
Inventor 陈浩波
Owner 陈浩波