Needle separating device and preparation method thereof

Abstract

The invention discloses a needle separating device and a preparation method thereof. The needle separating device comprises a needle separating fixture, a storing box and a supporting rack, wherein the needle separating fixture is fixed on the supporting rack; one end of the storing box is provided with an opening, and the storing box is arranged under the needle separating fixture; the needle separating fixture is provided with a plurality of needle separating holes; and the opening end of the storing box corresponds to the needle separating holes. When the needle separating device prepared by the preparation method is used in practical, the test needles to be separated are held by hands, and vertically placed on the worktable surface of the needle separating device, the test needles are shaken by hands up and down, the test needles which have the same hole diameter with the worktable surface automatically fall into the storing box from the needle separating device, the test needles which do not automatically slide down are clamped by the needle separating fixture, and then can be judged to be deformed test needles, and the test needles which can not be inserted into a panel of the needle separating fixture are the test needles with non-conforming diameter. Compared with the traditional method of visually picking up test needles, the invention can enhance the needle separating efficiency and accuracy of the test needles, also can enhance the quality for separating the deformed test needles, and has practicality and convenience.

Description

technical field [0001] The invention relates to the technical field of PCB, in particular to a minute hand device and a preparation method thereof. Background technique [0002] At present, the types of general-purpose test pins commonly used in the PCB industry are generally: 0.25mm\0.3mm\0.35mm\0.4mm\0.45mm\0.5mm\0.6mm\0.8mm\1.0mm\1.3mm\1.8mm\2.5mm \3.5mm, etc., such as 0.3mm, 0.35mm or 0.25mm, 0.3mm test needle diameter difference is very small, easy to mix together. Now the method of selecting different types of test needles is visual inspection, that is, use your eyes to pick different types of test needles one by one in the mixed needle, because the size difference is not large and it is easier to pick the wrong one; Deformation occurs at different positions, and to screen out the deformed test pins, it is necessary to place the test pins on a flat workbench and select them visually. [0003] Visual selection of deformation test pins has the following disadvantages: ...

AI Technical Summary

Problems solved by technology

[0004] 1. The speed of visual identification is very slow and the effect is not good. For example, 0.25mm and 0.3mm test needles are mixed together, and the difference in diameter is very small. It is difficult to distinguish visually, and it is easy to pick mistakes;

[0005] 2. The accuracy of visually distinguishing deformation test needles is not high, and the standards are not uniform

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