A device that opens the opening of the piston ring to help the pvd cylinder to be manually inserted into or removed from the ring

Abstract

The invention relates to a device for expanding openings of piston rings to be beneficial to manually sleeving a PVD barrel in the rings or taking the PVD barrel out of the rings. The device is applied to a piston ring production process to sleeve the PVD barrel with the piston rings in batch or take down the piston rings mounted on the PVD barrel in a sleeving manner in batch. The device comprises a support and a single-rod double-acting air cylinder. The single-rod double-acting air cylinder is provided with a piston rod, is fixedly mounted on the support and connected in an air pressure line in series and is controlled by a two-position five-way pneumatic pedal valve. The device is characterized in that the device further comprises a two-side-face push rod, a transmission plate I, a transmission plate II, a piston opening hook plate I, a piston opening hook plate II and a piston ring supporting plate, wherein the transmission plate I, the transmission plate II, the piston opening hook plate I and the piston opening hook plate II are mounted on a linear rail of the support, and the piston ring supporting plate is fixedly mounted on the support; and the transmission plate I is provided with a push force acting face of the transmission plate I, and the transmission plate II is provided with a push force acting face of the transmission plate II. The device has the beneficial effects that acting force is uniformly applied to slightly expand the piston openings, the minimum expanding amount of the piston openings can be selected, sleeving or demounting of the workpiece piston rings can be completed at a time in batch, and production efficiency is high.

Description

technical field [0001] The invention relates to a device that opens the opening of the piston ring to facilitate the manual insertion or removal of the PVD cylinder into the ring, and is used in the production process of piston rings to put the piston rings on the PVD cylinder in batches or to put the PVD cylinder on the PVD cylinder The piston rings are removed in batches. Background technique [0002] The PVD cylinder is a tooling or part used in the PVD treatment process of the piston ring surface. Before the treatment, the piston rings of the same specification need to be stacked on the same PVD cylinder; after the treatment, the treated piston ring needs to be disassembled from the PVD cylinder. The diameter of the PVD cylinder is slightly larger than the inner circle of the piston ring. Therefore, the opening of the piston ring on the PVD cylinder is slightly larger than the opening of the natural state of the piston ring, and the piston ring can be tightly fitted on...

AI Technical Summary

Problems solved by technology

The disadvantage is that the production efficiency is low; during the operation, it is easy to cause crushing, scratching and deformation of the steel piston ring, and lead to broken rings, scratches and light leakage of the final product

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