Polaroid filtering and reflecting mechanism

Abstract

The invention discloses a polaroid filtering and reflecting mechanism, which comprises an L-shaped mounting plate. A mounting base is fixedly mounted on the inner wall of the rear side of the L-shapedmounting plate; trapezoidal connecting plates are fixedly mounted on the two sides of the top of the mounting base; a same first mounting plate is fixedly mounted on the rear sides of the two trapezoidal connecting plates; a second mounting plate is fixedly mounted on the rear side of the first mounting plate; a stepping motor is fixed to one side of the top of the mounting base in a threaded mode; the stepping motor is located on the side, away from the other trapezoidal connecting plate, of one trapezoidal connecting plate in the two trapezoidal connecting plates; and the bottom end of an output shaft of the stepping motor extends to the position under the mounting base and is fixedly provided with a first transmission synchronous wheel. The polaroid filtering and reflecting mechanism is reasonable in design; and reflected light can be conveniently screened and filtered in time, and unnecessary interference light can be filtered out, so that useless light spots caused by certain materials or irradiation directions of a product due to vibration of emitted light in all directions are avoided, and the detection accuracy is improved.

Description

technical field [0001] The invention relates to the technical field of a polarizing plate filtering and reflecting mechanism, in particular to a polarizing plate filtering and reflecting mechanism. Background technique [0002] With the rapid development of industrial automation, visual inspection is no longer a simple size inspection, presence inspection, character reading, etc. The inspection of appearance defects (such as scratches, dents, protrusions, etc.) of a large number of industrial products has become the mainstream of the industry How to quickly, accurately and comprehensively identify these appearance defects has become an urgent problem to be solved. [0003] With the rapid development of contemporary science and technology, the application of polarized light technology has played an important role in the field of industrial automation. It may be limited to vibrate in a certain vertical plane, while the vibration in other directions is greatly weakened or even...

AI Technical Summary

Problems solved by technology

[0004] In traditional visual inspection, most of them use non-polarized light sources. Non-polarized light sources are not convenient for filtering unwanted interfering light. The light emitted by such light sources vibrates in all directions, which leads to some The useless light spots caused by the material or the direction of illumination will seriously affect the detection results and cannot meet the needs of use. Therefore, we propose a polarizer filter reflection mechanism to solve the above problems

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