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Steel mesh hole-cutting accuracy detection device

A detection device and precision technology, which are applied in the field of detection devices for the accuracy of stencil openings to achieve precise opening size and shape and improve quality.

Inactive Publication Date: 2017-05-31
DALIAN EVERYDAY GOOD ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above defects in the prior art, this application provides a detection device for the accuracy of the stencil opening, which solves the problem of the accuracy of the stencil opening in the printing process in the SMT industry

Method used

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  • Steel mesh hole-cutting accuracy detection device
  • Steel mesh hole-cutting accuracy detection device

Examples

Experimental program
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Effect test

Embodiment 1

[0012] This embodiment provides a detection device for the accuracy of stencil opening, which specifically includes: a stencil management system, a high-resolution industrial camera, a stencil placement platform, and a mechanical movement module; the stencil management system has a built-in motion control card , the mechanical motion module is equipped with a servo motor, a slide rail and a servo motor driver, and the servo motor driver is connected to the servo motor and the slide rail respectively; wherein the high-resolution industrial camera is placed on the mechanical motion module, and the steel mesh is placed On the stencil placement platform, the stencil management system is connected to the high-resolution industrial camera through the USB2.0 interface, and the high-resolution industrial camera is also connected to the stencil and the slide rail.

[0013] The operator imports the Gerber data corresponding to the substrate into the stencil management system in advance, ...

Embodiment 2

[0015] This embodiment provides a method for detecting the accuracy of steel mesh openings, which specifically includes:

[0016] S1: The operator imports the Gerber data corresponding to the substrate into the stencil management system, and the stencil management system draws a 1:1 ratio with the real substrate based on the substrate size, MARK point position, pad shape and size information in the Gerber data template information;

[0017] S2: The stencil is placed on the stencil placement platform. The color of the platform is dark. When shooting with a high-resolution industrial camera, the stencil management system drives the servo motor driver in the mechanical movement module through the motion control card;

[0018] S3: The servo motor driver drives the high-resolution industrial camera on the slide rail to acquire image information at different positions on the substrate;

[0019] S4: The stencil management system extracts information such as the opening and shape of ...

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Abstract

A steel mesh hole-cutting accuracy detection device particularly comprises a steel mesh management system, a high-resolution industrial camera, a steel mesh placement platform and a mechanical movement module. A movement control card is placed in the steel mesh management system, a servo motor, a sliding rail and a servo motor driver are placed in the mechanical movement module, the servo motor driver is connected with the servo motor and the sliding rail, the high-resolution industrial camera is placed on the mechanical movement module, a steel mesh is placed on the steel mesh placement platform, the steel mesh management system is connected with the high-resolution industrial camera through a USB2.0 interface, and the high-resolution industrial camera is further connected with the steel mesh and the sliding rail. By the device, the hole-cutting size and shape of the steel mesh can be more accurately detected, and soldering paste printing quality is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of printing in the SMT industry, and in particular relates to a detection device for the accuracy of steel mesh openings. Background technique [0002] Surface mount technology SMT mainly includes: solder paste printing, precise placement, and reflow soldering. Among them, the quality of solder paste printing has the greatest impact on the quality of SMT products. Statistics show that most of the current SMT failures are caused by the quality of solder paste printing, and the stencil is indispensable in the printing process, and its quality directly affects the printing work. The thickness of the stencil and the size of the opening determine the amount of solder paste printed. Too much solder paste will cause bridging, and too little solder paste will result in insufficient solder paste or virtual soldering. The opening shape of the stencil and whether the opening wall is smooth will also affect the demould...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/24G01N21/88
CPCG01B11/24G01N21/88
Inventor 谭广有于龙义
Owner DALIAN EVERYDAY GOOD ELECTRONICS
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