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Liquid mixing method capable of accurately controlling flow

A technology of precise control and flow, applied in the field of machinery, can solve the problems of inability to accurately control the mixing ratio of glue, low precision of the flow monitoring module, and inability to realize accurate monitoring of the mixing ratio of glue, etc.

Active Publication Date: 2021-05-25
SUZHOU TERUITE ROBOT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing two-liquid screw valve lacks a flow monitoring module or the accuracy of the flow monitoring module is low, which cannot realize accurate monitoring of the mixing ratio of the glue, which also leads to the inability of the existing two-liquid screw valve to accurately control the mixing ratio of the glue

Method used

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  • Liquid mixing method capable of accurately controlling flow
  • Liquid mixing method capable of accurately controlling flow
  • Liquid mixing method capable of accurately controlling flow

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Example 1: A dual-liquid screw valve capable of precise flow control

[0067] Such as Figure 1-23 , the present invention provides a dual-liquid screw valve that can precisely control the flow rate, the double-liquid screw valve includes a first liquid inlet module 1, a second liquid inlet module 2, a liquid outlet module 3, a first monitoring module 4, a second liquid inlet module The second monitoring module 5, the third monitoring module 6 and the control module 44;

[0068] The first liquid inlet module 1 includes a first screw pump 7 and a first liquid inlet block 8, the first screw pump 7 includes a first drive device 9, a first rotor 10 and a first stator 11, and the first liquid inlet block 8 includes a first inner chamber 12 and a first liquid inlet hole 13 communicating with the first inner chamber 12, the first rotor 10 is inserted into the first inner chamber 12 from the top of the first liquid inlet block 8, and the first stator 11 is inserted into the fi...

Embodiment 2

[0089] Embodiment 2: A kind of liquid mixing method that can precisely control the flow rate

[0090] The present invention provides a liquid mixing method capable of precisely controlling the flow, which is used in the double-liquid screw valve capable of precisely controlling the flow described in Example 1; wherein, the liquid mixing method includes:

[0091] The control module calculates the liquid pumping volume per unit time of the first liquid inlet module and the pumping volume of the second liquid inlet module per unit time according to the mixing ratio of the two liquids to be mixed;

[0092] The control module controls the output flow rate of the first liquid inlet module by controlling the rotation speed of the first rotor according to the liquid pumping volume per unit time of the first liquid inlet module, and controls the output flow rate of the first liquid inlet module according to the The pump output per unit time is controlled by controlling the rotation spe...

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Abstract

The invention relates to a liquid mixing method capable of accurately controlling flow, and belongs to the technical field of machinery. The liquid mixing method capable of accurately controlling flow is provided and comprises the following steps: a control module calculates the unit time pump-out quantity of a first liquid inlet module and a second liquid inlet module according to the liquid mixing proportion of two liquids to be mixed; the control module controls the liquid outlet flow of the first liquid inlet module and the liquid outlet flow of the second liquid inlet module by controlling the rotating speed of a first rotor and the rotating speed of a second rotor according to the unit time pump-out quantity of the first liquid inlet module and the unit time pump-out quantity of the second liquid inlet module; a first monitoring module and a second monitoring module monitor the liquid inlet and outlet flow of the first liquid inlet module and the second liquid inlet module respectively, and a third monitoring module monitors the liquid outlet flow of a liquid outlet module; and a control module adjusts and controls the liquid inlet and outlet flow of the first liquid inlet module and the second liquid inlet module according to signals monitored by the first monitoring module, the second monitoring module and the third monitoring module.

Description

technical field [0001] The invention relates to a liquid mixing method capable of precisely controlling flow, and belongs to the technical field of machinery. Background technique [0002] In industrial production, dispensing is required in many places, such as integrated circuits, semiconductor packaging, printed circuit boards, color LCD screens, electronic components, auto parts, etc. Most production scenarios only need to use a single glue for dispensing, but some production scenarios need to mix two different glues according to a specific ratio. At this time, the precise control of the glue mixing ratio is very important to ensure the production quality . [0003] The double-liquid screw valve is a dispensing valve that can realize automatic glue mixing and dispensing. However, the existing two-liquid screw valve lacks a flow monitoring module or the flow monitoring module has low precision, and cannot accurately monitor the mixing ratio of the glue, which also leads ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05C11/10
CPCB05C11/1036
Inventor 陈晓峰徐小波
Owner SUZHOU TERUITE ROBOT CO LTD
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