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Integrated servo electric pinch valve

A pinch valve, integrated technology, applied in the direction of diaphragm valve, valve device, valve details, etc., can solve the problems that the valve cannot be dynamically adjusted, the clamping force cannot be adjusted, the open-loop control of the pinch valve, etc., and the replacement of valves can be saved time and cost, various control methods, and adjustable clamping force

Pending Publication Date: 2022-07-12
南京山口机电有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above shortcomings of the existing technology, it is necessary to provide an integrated servo electric pinch valve to solve the problem of open-loop control of the pinch valve in the prior art, abnormal power and gas failure, non-dynamic adjustment of the valve, and incapability of clamping any software. Pipe, unable to adjust the clamping force, unable to detect the internal pressure of the pipe

Method used

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Embodiment Construction

[0058] The preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are connected with the present invention. Figure 4 The purpose is to illustrate the principles of the present invention and not to limit the scope of the present invention.

[0059] like Figures 1~4 As shown, an integrated servo electric pinch valve provided by the present invention includes a bar 1, a valve body 2, a pressure head 3, a screw 4, a sensor 5, a motor 7, an encoder 73, and a driver 8; the valve The body 2 includes 21 a hose clamping part, a guide groove 22, a cavity 23, a round pipe pressure inlet 24, a positioning hole 25 for a rail, a sensor fixing hole 26 and a valve body fixing screw hole 27; the pressure head 3 includes a pressure head The sensor block 31, the indenter key 32, the indenter key 33, the front end arc surface 34 of the indenter, ...

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Abstract

The invention relates to an integrated servo electric pinch valve which comprises a valve body, a pressing head, a lead screw, a motor, a magnetic encoder and a driver. The valve body is connected with the motor; the motor is connected with the driver; a fixed baffle strip is arranged in the valve body; the pressing head is slidably connected with the valve body. The lead screw is connected with the pressing head. The screw rod is connected with the motor; and the motor is connected with the magnetic encoder. The driver has various interfaces and control modes, and can control a position loop, a speed loop and a current loop in real time to form a closed loop. The driver can adjust the clamping force by controlling the current, and the internal pressure of the hose can be calculated by reading the real-time current. When the driver receives a switch signal or a bus control signal, the control motor rotates to drive the lead screw and the pressing head to reciprocate in the cavity of the valve body, a gap with the adjustable size is formed between the pressing head and the blocking strip, the hose is pressed in the gap, and therefore the hose can be loosened and clamped, and the clamping force is adjustable.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to an integrated servo electric pinch valve. Background technique [0002] The main function of the pinch valve is to open or close the pipeline by pinching the hose. The pinch valve body does not come into contact with the medium in use, which can ensure that the liquid or gas passing through is not polluted, and can keep the pinch valve clean. Therefore, it is widely used in bioengineering, food industry, dosage systems, blood processing / analysis, laboratory analysis and other equipment. [0003] At present, the existing pinch valves are mainly pneumatic and electromagnetic. The control method is open-loop switch control, once the water is cut off, it will be out of control. Secondly, the clamping force is small, the clamping force cannot be adjusted, and it cannot cope with large-diameter hoses in industrial production, and one valve body can only cope with one pipe diameter. ...

Claims

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Application Information

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IPC IPC(8): F16K7/04F16K37/00F16K31/04
CPCF16K7/045F16K37/0041F16K31/04
Inventor 戴炳兵李梦
Owner 南京山口机电有限公司
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