Compressing device of optical inspection instrument

Abstract

The invention relates to a compressing device of an optical inspection instrument, which comprises a pressing plate tooth claw (4) which is arranged at one side of a PCB board (1) and an L-shaped lever (3) which is fixedly connected with the pressing plate tooth claw (4), wherein the turning point of the L-shaped lever (3) is connected with a rotating shaft (5) in a rotation way and is arranged on a clamp platform (9), the bottom end of the L-shaped lever (3) is connected with a rolling bearing (6) in a rotation way, a fixed seat (7) is fixed on a horizontal platform in the movement direction of the PCB board (1), a pullback spring (2) is connected with one end of the L-shaped lever (3) which is free from having the rolling bearing (6) and with a pullback spring fixed plate (8) which is arranged on the clamp platform (9). The fixing device of the optical inspection instrument has the advantages that: with the pullback spring, the impact which is produced on the PCB board when the pressing plate tooth claw is pressed can be effectively released, the pressing plate tooth claw can be fixed, and the inspection precision is improved.

Description

technical field [0001] The invention relates to a pressing device, in particular to a pressing device used for pressing a PCB board on an optical detector. Background technique [0002] The optical detector is a device that detects the solder joints of the PCB board after solder joint welding. At present, the optical detector on the market must first send the PCB board into the detection station along the slide rail when performing solder joint detection. Pressing and fixing, usually one side of the PCB board is fixed by the claws of the pressure plate, and the claws of the pressure plate are rigidly connected with an "L"-shaped bar, and the "L"-shaped bar is connected to the fixture table through the rotating shaft at its turning point , The bottom end of the "L" bar is fixed with a rolling bearing, and there is a fixed seat on the horizontal table in front of the rolling bearing. The pressing device of the optical detector presses the PCB board by the weight of the claws o...

AI Technical Summary

Problems solved by technology

The pressing device can effectively relieve the impact directly on the PCB when the claws of the pressure plate are pressed down, and will not cause deformation and damage to the PCB due to the instantaneous force generated by the claws of the pressure plate When the PCB board is used, the claws of the pressure plate are fixed so that it will not shake during the movement, which improves the detection accuracy and solves the problem of damage to the PCB caused by the impact of the claws of the pressure plate during the operation of the pressing device of the traditional optical detector. and the defects that each part is easy to shake, resulting in low detection accuracy

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