The blocking cylinder is mainly used in double speed chain and differential chain production lines to stop pallets on the production line, so it is also called a stopping cylinder. This type of cylinder is often called a fixed range rod cylinder because its working stroke is fixed. The cylinder structure is a cylinder plus a spring. When it is not ventilated, it is in a blocking state under the action of the spring. The gas is controlled by the stroke switch to enter the cylinder. At this time, the cylinder descends, releases the blocking, and the stroke switch opens.Block cylinderUnder the action of the spring, it rebounds into a blocking state.
There are pallets on the line one by one, blocking the cylinder for pallet stop at the operating station. The PLC program controls the solenoid valve to reverse direction, and the blocking head extends from under the line body, stopping the pallet at the worker's operating station. After the operation is completed within the set time, the program controls the solenoid valve to reverse direction, and the blocking head returns to the line body. The pallet continues to move according to the preset rhythm.
The role of the hydraulic buffer in blocking the cylinder
The blocking cylinder is a product developed for automated conveying systems that can conveniently and reliably control the transportation and stopping of work fixtures and products. A hydraulic buffer is installed, which can reduce the impact of the tooling plate or its fixture on the blocking cylinder and prevent the fixture from rebounding. When the cylinder is blocked from working, compressed air enters the cylinder through the control valve, causing the piston to drive the gear lever down. At this time, the tooling plate is released;when the control valvedeflates , the piston returns under the action of the spring and blocks the next tooling plate. The hydraulic buffer is installed inside the blocking cylinder, which can block and stop smoothly while preventingCylinderrebound causing equipment of damage.
Although the hydraulic buffer is a very small link in the entire automation process, the safety role played by a small part is not small, and it provides a step for safe production. Assure.
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