Dryer

Abstract

The invention provides a dryer. The dryer comprises a rectangular drying box with an opening at one end, a heater, a cylindrical rotation assembly, a cover plate and a plurality of mounting frames formounting printed circuit boards, wherein the cover plate is identical with the opening of the drying box in the aspect of shape, and has a covering state for covering the opening and an opening statefor exposing the opening; the heater is mounted on a bottom mounting surface at the inner bottom of the box body of the drying box; reserved through holes are respectively formed in two opposite sidewall bodies of the drying box; the two reserved through holes are concentrically arranged; the rotation assembly passes through the two reserved through holes to be erected in the box body of the drying box and rotatably connected with the two side wall bodies; a plurality of mounting grooves are formed along the circumferential direction of the rotation assembly; the plurality of mounting framesare provided with frame-type mounting parts and plate-shaped connection parts; and the mounting frames are inserted into the mounting grooves through the connection parts so as to be fixed with the rotation assembly. Through the rotatably mounting frames, the drying is capable of solving the problem of non-uniform PCB baking caused by fixed heat source positions of baking chambers in the prior art.

Description

technical field [0001] The invention relates to the field of PCB board production, in particular to a board dryer for PCB boards. Background technique [0002] The printed circuit board (PCB) board needs to be dried during the production process. Drying can release the stress in the PCB board and prevent the warping of the PCB board. At present, the drying method of PCB boards is to place multiple PCB boards to be dried in a baking oven for baking. When baking, a large number of PCB boards will be placed in the baking oven at one time. The position of the heat source is fixed, the PCB board close to the heat source will be dried first in the same time, and the PCB board far away from the heat source or some PCB boards mixed in the middle of multiple PCB boards will be dried one step later, so that in the same drying time During the baking time, it is very easy to cause some PCBs to be over-dried or insufficiently dried, so that the PCB boards in the oven will be baked uneve...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a drying machine. Aiming at the problem of uneven baking of PCB boards caused by the fixed position of the heat source in the oven in the prior art, a drying machine with a rotating structure is provided to solve the problem of PCB board baking. uneven problem

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