Adjustable impact cylinder

A shock cylinder, adjustable technology, applied in the direction of fluid pressure actuating device, etc., can solve the problems of increased gas pressure, decreased shock frequency, long gas supply time, etc., to improve gas supply speed, low manufacturing cost, and long service life. Effect

Inactive Publication Date: 2012-04-18
WUHAN INSTITUTE OF TECHNOLOGY
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, although the impact force is increased when the cross-section of the nozzle is reduced, the required gas pressure is also increased accordingly, which will inevitably lead to problems such as a long gas supply time and a decrease in the impact frequency.

Method used

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Embodiment Construction

[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0018] Adjustable impact cylinder, including cylinder barrel 2, sealing piston 12, front cover 17, rear cover 1 and middle cover 10, middle cover 10 and sealing piston 12 divide the cylinder into air storage chamber 14, rodless chamber 15 and rod chamber 16. A straight-through valve 20 is set on one side of the middle cover 10, and its spool 23 can move up and down on the vertical surface of the cylinder 2 to change the flow area of ​​the spout 25 on the middle cover. The spool 23 is in a region Moving, the distance between the spool 23 and the edge of the nozzle 25 at the top dead center (at this time the flow area of ​​the nozzle reaches the maximum) and the bottom dead center, that is, the maximum extension of the valve core 23, is L. The upper end of the middle cover 10 facing the side of the air storage chamber 14 is sequentially provided with small air ...

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PUM

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Abstract

The invention relates to an adjustable impact cylinder, comprising a cylinder barrel, a sealing piston, a front cover, a rear cover and a middle cover, wherein the cylinder is divided into an air storage cavity, a rod-free cavity and a rod-mounted cavity by the middle cover and the sealing piston, a throughway valve is arranged at one side of the middle cover, the core of the throughway valve canmove vertically on a vertical surface of the cylinder barrel to change the flow area of a nozzle, the core is level with the edge of the nozzle when being located at an upper stop point, at this moment, the flow area of the nozzle is maximal, air inlet channels are arranged sequentially on the upper end of the middle cover towards one side of the air storage cavity, and simultaneously, a backup air inlet communicated with outside is further arranged on the middle cover. The adjustable impact cylinder has the advantages that: impact force is changed by controlling the flow area of the nozzle; air can be supplied in time, the speed of air supply is enhanced, the working frequency is guaranteed; and the adjustable impact cylinder has the characteristics of being small in volume, light in weight, large in output energy, reliable in operation, low in manufacturing cost, convenient for maintenance, long in service life, etc.

Description

technical field [0001] The invention relates to an adjustable impact cylinder capable of freely controlling and adjusting the impact force. Background technique [0002] Cylinder is a typical representative of pneumatic technology. However, unlike the simple transmission of ordinary cylinders, in many industrial occasions, a special cylinder called impact cylinder is required. The impact cylinder plays an irreplaceable role in certain operations such as blanking, punching, dismantling, crushing, riveting, pressing, printing, and bending. In many different working occasions and working conditions, the demand for the size of the impact force is different. In order to meet the needs of today's industrial production and realize the free control of the size of the impact energy, it is an urgent requirement for the development of the impact cylinder. [0003] In order to effectively meet the needs of different impact forces in on-site operations and improve the use range of the i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/14F15B15/20
Inventor 王成刚喻九阳盖超会常跃徐建民郑小涛易国英谢小恒
Owner WUHAN INSTITUTE OF TECHNOLOGY
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