Half-automatic edge brushing machine for board edge of thin board of PCB (Printed Circuit Board)

Abstract

The invention discloses a half-automatic edge brushing machine for a board edge of a thin board of a PCB (Printed Circuit Board), which solves the problem that burrs at the board edge of the board with thickness less than 0.4mm are difficult to remove. The half-automatic edge brushing machine provided by the invention comprises a moving platform; a pressing mechanism for fastening the board edge of the thin board of the PCB on the upper surface of the moving platform is arranged on the moving platform; a positioning stopping wheel or stopping block of the moving platform is arranged on the moving platform; and a copper brush mechanism for brushing the board edge of the thin board of the PCB is arranged at one side of the moving platform. According to the half-automatic edge brushing machine provided by the invention, full-sealed half-automatic equipment is adopted to remove the burrs on the board edges of inner layer board of a multi-layer board of a printed circuit, and the board edges is thick less than 0.4mm, so that the various and small-quantity manufacturing requirements for wide middle-size and small-size circuit board enterprisers can be met. The half-automatic edge brushing machine provided by the invention has the advantages of small equipment investment, simple and stable structure, low operation cost, and low maintenance cost. With the adoption of the half-automatic edge brushing machine, the image etching open and short circuit scrapping of the inner-layer circuits, caused by the burrs, can be reduced.

Description

technical field [0001] The invention relates to a semi-automatic edge brushing machine for PCB thin plates, which is mainly suitable for removing burrs from the edges of plates with plate shears and roll cutters for processing plates with a plate thickness of less than 0.4 mm. Background technique [0002] After the printed circuit board raw material copper-clad laminate is cut by a shearing machine or a roller cutter, there are burrs on the four sides of the board, and the thickness of the board is ≥ 0.4mm. The burrs on the edge of the board can be polished by an edger, and the thickness of the copper-clad laminate is less than 0.4mm. The edging machine cannot grind the edge after feeding. [0003] Three commonly used cutting equipment for copper clad laminates, the processing principle and corresponding burr treatment methods are as follows: [0004] [0005] Shearing machines and rolling cutting machines are cheaper than automatic cutting machines, and are widely used...

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problem that it is difficult to remove the burr on the edge of the board with a thickness of <0.4mm, and the high cost of using an automatic cutting machine, the present invention aims to provide a semi-automatic edge brushing machine for PCB thin plate. It can meet the requirements of small and medium-sized circuit board processing board thickness <0.4mm copper clad laminate processing board edge burr without automatic cutting machine and thin board edger

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