Backwater control system of water cut-off machine

A technology of water return control and water cutting machine, which is applied in the direction of manufacturing tools, used abrasive processing devices, abrasives, etc., and can solve problems such as leakage of high-pressure water switch valves, poor working performance and stability, and easy damage to valve core components. , to achieve the effect of solving the backwater problem, reducing the suction force and simple structure
CN1413807AInactive Publication Date: 2003-04-30KEDA INDUSTRIAL GROUP CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
KEDA INDUSTRIAL GROUP CO LTD
Publication Date
2003-04-30
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

A backwater control system of hydraulic cutting machine is composed of water nozzle, sand nozzle, mixing cavity between the said two nozzles and connected to sand delivering pipe, and a high-pressure water generator system having a boosting unit and a high-pressure water accumulator connected to the said water nozzle. It features that a by-pass channel communicated with the said mixing cavity is used for discharging the backwater via a normally opened valve. Its advantages are simple structure and low cost.
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Description

technical field

[0001] The invention relates to the structure of the water cutting machine, in particular to the water return control system of the water cutting machine. Background technique

[0002] The water cutting machine has a water nozzle and a sand nozzle connected in series along the direction of water flow, a sand inlet is opened in the mixing chamber between the water nozzle and the sand nozzle, the sand inlet is connected to a sand delivery pipe, and the water nozzle inlet is connected to a super High-pressure water generation system connection, the system includes a supercharger, the high-pressure water output port of the supercharger is connected to the high-pressure water accumulator through a combined check valve, and the high-pressure water accumulator is connected to the water nozzle through a water delivery pipe, increasing The two oil inlets and outlets of the pressurizer cylinder are respectively connected to the executive output port of the reversing va...

Claims

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