Buffering type cylinder
A technology of cylinder and buffer piston, applied in the direction of fluid pressure actuating device, etc., can solve the problems of poor buffer effect, difficult to increase the movement speed of the buffer cylinder, and large volume of the buffer cylinder, so as to achieve good buffer effect, small cylinder volume, and accelerated operation. effect of speed
Inactive Publication Date: 2012-02-08
蒋国泉
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Problems solved by technology
[0003] The object of the present invention is to provide a buffer type cylinder with a new structure, which solves the problems of poor buffer effect, difficulty in increasing the motion speed of the buffer cylinder, and large volume of the buffer cylinder in the background technology.
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[0012] From figure 1 It can be seen from the figure that a buffer type cylinder includes a piston rod 1, a piston 8, a cylinder body 10, and upper and lower end covers 2 and 12, and the upper and lower end covers 2 and 12 are fixed on the cylinder body 9, and the piston The rod 1 is set in the cylinder body 1 through the piston 7, and a check valve, a throttle valve installation passage 10 and an air intake passage 11 are arranged on the lower end cover 12, and an exhaust air passage is arranged on the upper end cover 2. Channel 5, a sealing ring 4 is provided between the piston 7 and the cylinder body 9, a buffer piston hole 6 is provided on the upper end cover 2, and a sealing pressure is installed between the piston rod 1 and the upper end cover 2. Cover 3, a sealing ring 4 is arranged between the sealing gland 3 and the piston rod 1, and a buffer piston 8 corresponding to the buffer piston hole 6 is arranged on the upper part of the piston 7, and a buffer piston 8 correspo...
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The invention discloses a buffering type cylinder, which comprises a piston rod, a piston, a cylinder body, an upper end cover and a lower end cover, wherein the upper end cover and the lower end cover are fixedly arranged on the cylinder body, the piston rod is sleeved in the cylinder body via the piston, the upper end cover is provided with a buffering piston hole, a seal gland is mounted between the piston rod and the upper end cover, a buffering piston which corresponds to the buffering piston hole is arranged on the upper part of the piston, and a seal ring is arranged on the buffering piston. When the piston rod moves to the end, the buffering piston enters the buffering piston hole to compress the air in the hole, the moving speed of the piston is decreased, the piston stops moving when the pressure generated by the compressed air is in equilibrium with all the energy of the motion of the piston, and therefore impact cannot be caused, the piston of the cylinder cannot collide with the end cover even if the buffering travel is short, and the buffering type cylinder has the characteristics of good buffering effect and small size. The buffering type cylinder can be widely applied in various industrial fields.
Description
technical field [0001] The invention relates to an air cylinder, in particular to an air cylinder with damping effect. Background technique [0002] As a relatively new transmission method, pneumatic transmission technology has been widely used in various industrial fields. In order to improve work efficiency, at present, the actuator of the pneumatic transmission system - the cylinder, has been developed to high-speed movement. One of the main factors affecting the high-speed movement of the cylinder is the impact of the piston and the end cover caused by kinetic energy and pressure energy when the cylinder moves to its terminal. This problem has been difficult to solve satisfactorily. Therefore, the research on the cushioning of the cylinder is a research hotspot in this field at home and abroad. The existing cylinders with buffer devices at home and abroad basically use exhaust throttling and reverse back pressure to reduce the speed of the cylinder to reduce or elimin...
Claims
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Inventor 蒋国泉
Owner 蒋国泉