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Method and system for controlling fluid quantitative output through vision

A fluid and visual technology, applied to the surface coating liquid device, spray device, coating, etc., can solve the problem of not being able to judge the quality of spray glue in real time, and achieve the effect of improving efficiency and quality, and accurately controlling flow

Pending Publication Date: 2017-09-08
广东天润自动化科技有限公司
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Problems solved by technology

[0003] The purpose of the present invention is to provide a fluid quantitative visual control method and system for the above-mentioned defects of the prior art, so as to solve the problem that the glue dispensing quality cannot be judged in real time during the dispensing glue dispensing process

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  • Method and system for controlling fluid quantitative output through vision
  • Method and system for controlling fluid quantitative output through vision

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Embodiment Construction

[0022] A method for visually controlling the quantitative output of fluid is provided, comprising the following steps:

[0023] A1. Establish a dispensing model database:

[0024] Through the precise quality calibration platform, different shapes of glue are sprayed according to different production processes;

[0025] Collect weight data through digital communication protocols (Rs232, RS-485, MODBUS, TCP / IP), and save weight data records of different shapes of glue into the database;

[0026] Move the optical camera to the area of ​​the precision quality calibration platform, take images, and build image templates for glues of different shapes in sequence; establish correspondence between image templates and weight data of glues of different shapes to establish a model database, and automatically generate weight and specifications for the shape of glue , shape and other quality parameters;

[0027] The above steps are the steps of optical calibration of the amount of glue; ...

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Abstract

The invention discloses a method and a system for controlling fluid quantitative output through vision. The method comprises the steps of establishment of a dispensing model data spot-spraying glue of different shapes according to different production technologies through a precise mass calibration platform; acquiring mass data through a digital communication protocol, and recording and storing mass data of glue of different shapes in the database; calibrating glue amount once within 20 s for technologies of one product; and in the calibration method, setting glue spot-spaying parameters in advance, and automatically calculating and establishing the model database. The system comprises two parallel guide rails, a cross beam which is arranged on the two parallel guide rails and can move along the two parallel guide rails, a movable vision and quantitative output device arranged on the cross beam, and the precise mass calibration platform arranged between one ends of the two guide rails. According to the method and the system, whether the conventional glue spot-spraying quality is in the qualified specification range or not can be analyzed through optical detection during glue spot-spraying each time, and if the glue spot-spraying quality is not qualified, detection quality parameters are fed back to a spot-spraying valve control system in real time to be regulated.

Description

technical field [0001] The invention relates to glue dispensing technology, in particular to a method and system for controlling the quantitative output of fluid through vision. Background technique [0002] The existing glue dispensing equipment has a technological function of automatically and accurately dispensing glue in a designated area by controlling the dot spray valve. At present, the application of this type of equipment in the industry can only check the spray valve at fixed points and regularly, and the quality of the fluid sprayed by the point (quality: including weight, shape, and offset). Disadvantages: It is impossible to judge whether the quality of glue spraying is qualified or not in real time after spraying each point. It can only be assessed by manual visual inspection after the spot spraying is completed or at regular intervals. This method is inefficient. At the same time, most unqualified products can only be scrapped, and the reuse rate is low and t...

Claims

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Application Information

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IPC IPC(8): B05B12/08B05C11/10
CPCB05B12/084B05C11/1005
Inventor 尹东明程官平
Owner 广东天润自动化科技有限公司
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