Nitrogen driving cylinder device

Abstract

The invention discloses a nitrogen driving cylinder device which comprises a forming die, the forming die comprises an upper pressing plate, a lower pressing plate, a driving oil cylinder structure, an energy accumulator structure and a power cylinder structure, and the driving oil cylinder structure and the power cylinder structure are connected through a hydraulic oil pipe. The energy accumulator structure is connected between the driving oil cylinder structure and the power cylinder structure and used for adjusting the oil pressure in the hydraulic oil pipe, the driving oil cylinder is arranged on the lower pressing plate, and the upper pressing plate can compress the driving oil cylinder downwards, so that the free end of the power cylinder is driven to extend out. The nitrogen driving cylinder device has the advantages that the driving oil cylinder structure is driven to act through downward pressing of the downward pressing plate, a power source of a forming die can be utilized easily, a driving mechanism for the nitrogen driving cylinder device does not need to be independently arranged, and the power cylinder structure can conduct corresponding punching or edge folding operation through the driving oil cylinder structure; the energy accumulator structure connected to an oil way is beneficial to providing a buffering function for the device, and the pressure of the driving cylinder can be adjusted.

Description

technical field [0001] The invention relates to the technical field of hydraulic cylinders, in particular to a nitrogen-driven cylinder device. Background technique [0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swing motion). It has simple structure and reliable operation. When using it to achieve reciprocating motion, the reduction device can be omitted, and there is no transmission gap, and the movement is stable, so it is widely used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is proportional to the effective area of ​​the piston and the pressure difference on both sides; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder head, a piston and a piston rod, a sealing device, a buffer device and an exhaust device. [0003] Hydraulic cylinders are also often used for sheet metal stamping, punching and...

AI Technical Summary

Problems solved by technology

[0003] Hydraulic cylinders are also often used for plate stamping and punching operations. Existing sheet metal punching is usually done after the plate is stamped and formed. This increases the number of operating steps and is time-consuming and laborious. In view of the above , it is necessary to design a hydraulic punching cylinder that can be driven by the pressed template at the same time when the plate is stamped and formed. It is not necessary to set up the driving mechanism of the cylinder separately, and it has a high safety factor and easy pressure when the template is pressed down on the mold. adjustable hydraulic cylinder

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