Vacuum system opening and closing method

An opening and closing method, vacuum system technology, applied in the direction of sliding valves, valve details, engine components, etc., can solve the problems of complex equipment and poor sealing performance, and achieve the effect of wide application, good sealing effect and smooth movement

Inactive Publication Date: 2019-06-21
张苛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the above-mentioned technical problems such as poor s

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0008] Example 1

[0009] This embodiment provides a vacuum system opening and closing method, which is characterized in that: a sealing cavity is provided with a sealing head, one end of the sealing head is provided with a driving cylinder arm, the driving cylinder arm is fixedly installed with the driving cylinder, and the driving cylinder is provided Telescopic cylinder, the telescopic cylinder head is connected with the drive plate, the lower end of the drive plate is fixedly installed with a sliding block, and the sliding block is fixedly connected with the slidable gate on the head. The other end of the head is fixed with a cut-off plate, which is fixed to the guide rail On one side, the guide rail is adapted to the slider.

[0010] The driving cylinder is a hydraulic cylinder or a pneumatic cylinder.

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PUM

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Abstract

The invention provides a vacuum system opening and closing method. The vacuum system opening and closing method is characterized in that a sealing head is arranged on a sealing cavity; a drive cylinder support arm is arranged at one end of the sealing head; a drive cylinder is fixedly installed on the drive cylinder support arm; a telescopic cylinder is arranged in the drive cylinder; a drive plate is connected to and installed on a telescopic cylinder head; a sliding block is fixedly installed on the lower end face of the drive plate and is fixedly connected with a gate plate installed on thesealing head in a sliding manner; a stop plate is fixedly arranged at the other end of the sealing head and is fixedly connected with one side of a guide rail; and the guide rail is matched with thesliding block. The vacuum system opening and closing method has the beneficial effects that the movement of the gate plate is stable, the sealing effect is good, application is wide, the structure iscompact and space and cost are saved.

Description

technical field [0001] The invention relates to a gate valve, in particular to a gate valve used in a high vacuum system, and particularly provides a method for opening and closing the vacuum system. Background technique [0002] At present, the vacuum gate valve is usually used in the vacuum system to open and close the transmission cavity or the buffer cavity, and to ensure the vacuum seal of the cavity in the closed state, but the existing vacuum gate valve is generally directly controlled by the drive rod. Drive the ram to close, and then apply additional pressure on the ram or apply pressure through the wedge-shaped ram against the inclined surface to ensure vacuum sealing. However, in this way, it is difficult to ensure the stability of the ram on a larger cavity due to the larger ram. Operation and verticality may lead to poor final sealing performance. Additional pressure on the ram increases the complexity of the equipment. The pressure applied by the wedge-shaped r...

Claims

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Application Information

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IPC IPC(8): F16K31/12F16K51/02F16K3/316F16K3/314
Inventor 张苛
Owner 张苛
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