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A vacuum three-way valve

A three-way valve, vacuum technology, applied in multi-way valve, lift valve, valve details and other directions, can solve problems such as unfavorable unloading of target silo

Active Publication Date: 2018-06-15
BEIJING GOLDENTEAM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The target silo maintains a vacuum state, which is not conducive to the unloading of the target silo

Method used

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  • A vacuum three-way valve
  • A vacuum three-way valve
  • A vacuum three-way valve

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Embodiment Construction

[0038] Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The description of the exemplary embodiments is for the purpose of illustration only, and in no way limits the invention and its application or usage.

[0039] In the prior art, a pneumatic butterfly valve is generally installed between the feeder and the vacuum source, and the on-off of the vacuum air flow is controlled by the switch of the pneumatic butterfly valve. When the pneumatic butterfly valve is opened, the vacuum air circuit is connected, the vacuum source evacuates the transfer bin in the cavity of the feeder, and the feeder starts loading; when the pneumatic butterfly valve is closed, the feeder stops feeding. However, the pneumatic butterfly valve is a two-way valve, which can only control the on and off of the vacuum air flow, but cannot break the vacuum, so it cannot realize intermittent feeding.

[0040] In order to solve the pr...

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Abstract

The invention discloses a vacuum three-way valve. The vacuum three-way valve comprises an air cylinder, a valve body and a baffle; the valve body is arranged at the right end of the air cylinder, and comprises a valve body, a left end cover and a right end cover, wherein the left end cover and the right end cover are arranged at the two ends of the valve body; the left end cover is provided with a left through hole and a first air source connector, the right end cover is provided with a second air source connector, and a vacuum chamber connector is arranged on the side wall of the valve body; the right end connected with an air cylinder connecting rod of the air cylinder penetrates the left through hole to extend into an inner cavity of the valve body; the baffle is located at the inner cavity of the valve body and is detachably arranged at the right end of a pushing rod. According to the vacuum three-way valve, when the baffle is located at the left end of the valve body, a gas way between the first air source connector and the vacuum chamber connector is opened, conversion between a vacuum environment and a non-vacuum environment can be rapidly achieved by controlling the baffle to move left and right in the valve body, the structure is simple, oil and water are avoided, and the vacuum three-way valve is safe, reliable and free of pollution.

Description

technical field [0001] The invention relates to a valve body, in particular to a vacuum three-way valve. Background technique [0002] The technical background related to the present invention will be described below, but these descriptions do not necessarily constitute the prior art of the present invention. [0003] At present, the vacuum feeder (hereinafter referred to as the feeder) generally adopts a vacuum pump or a vacuum source to evacuate. [0004] When the feeder uses a vacuum pump to evacuate, the vacuum pump interface on the top of the feeder is generally directly connected to the vacuum pump, and the "loading-unloading" working mode is realized by controlling the "working-intermittent" of the vacuum pump. That is, when the vacuum pump is working, the transfer bin in the loading machine cavity is evacuated, and the feeding machine is loaded; when the vacuum pump is intermittent, the air intake port breaks the vacuum on the transfer bin of the feeding machine, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K11/044F16K1/42F16K1/36F16K27/08F16K31/122F16K47/02
CPCF16K1/36F16K1/42F16K11/044F16K27/08F16K31/122F16K47/02
Inventor 邵天君
Owner BEIJING GOLDENTEAM TECH
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