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Function of spring in transmission mechanism of press

Release time:2017/1/18  Author:Xinyi spring
In the transmission mechanism of the press, when the clutch and the brake are mechanically and rigidly interlocked, as long as the air cylinder is set on the clutch, the air pressure acts on the piston of the cylinder to make the clutch friction pair fit together, and the brake friction pair separated from the air pressure of the spring brake does not brake, so when the air cylinder is fed, the brake friction pair must be separated first, Then make the clutch friction pair fit to complete the combination.

The clutch's friction pair separation and the brake's friction pair fitting are realized by the clutch return spring and the brake spring respectively. Therefore, when the cylinder exhausts, the brake spring and the return spring separate the clutch's friction pair, and then make the brake's friction pair fit to start braking.

The process of cylinder intake and exhaust has to go through the electrical lag stage of electrical control components; In this way, the mechanical rigid interlock is realized.

When the clutch is required to be combined, the coil of the electromagnetic air distribution valve is powered on, and the air cylinder of the clutch is fed. Its piston makes the movable friction plate of the brake move first through the mechanical interlocking rod to release the brake friction pair. The brake does not brake, and then the clutch friction pair is combined. The electromagnetic air distribution valve loses power, the cylinder exhausts, the air pressure decreases, the brake spring makes the brake disc move, the clutch piston moves at the same time, the friction pair is separated, and then through the further movement of the cylinder piston, the brake friction pair is combined, and the braking effect begins.

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