Electrostatic spraying method adopting manual feeding, and manual feeding device for electrostatic spraying process

Abstract

The invention relates to an electrostatic spraying method adopting manual feeding, and a manual feeding device for an electrostatic spraying process. The spraying method comprises the following stepsthat manual feeding is conducted, specifically, a part is manually placed on the manual feeding device, the manual feeding device comprises one or more clamping claw assemblies, and the one or more clamping claw assemblies clamp the part; electrostatic spraying is conducted, specifically, the part is subjected to electrostatic spraying; and drying is conducted, specifically, the part subjected toelectrostatic spraying is dried. The manual feeding device comprises a foot switch, a control unit, a fixing seat and the one or more clamping claw assemblies; the control unit is electrically connected with the foot switch; the one or more clamping claw assemblies are arranged on the fixing seat and connected with the control unit, and each comprise an actuator and two clamping claws; the foot switch enables the actuators to be switched back and forth to be a non-acting state or an acting state through the control unit; all the clamping claws are connected with the actuators, and every two clamping claws are controlled by the corresponding actuators to be opened and closed; and when the actuators are located in the acting state, the part is clamped by the two corresponding clamping claws.The product yield of electrostatic spraying is increased.

Description

technical field [0001] The invention relates to an electrostatic spraying process and a clamp used in the process, in particular to a process for electrostatically spraying a printed circuit board with solder resist green paint, and a clamp for clamping the printed circuit board in the process. Background technique [0002] When the existing printed circuit boards are electrostatically sprayed, the circuit boards with surface circuits will be placed one by one on the roller or conveyor belt type feeding device, and then the roller or conveyor belt type feeding device will be used. The device transports the circuit board into the electrostatic spraying process equipment for subsequent electrostatic spraying of solder resist green paint and coating drying operations. [0003] However, some circuit boards are pre-coated with special paint on the surface of the circuit board before electrostatic spraying process, but the special paint on the surface of the circuit board is easy ...

AI Technical Summary

Problems solved by technology

[0003] However, some circuit boards are pre-coated with special paint on the surface of the circuit board before electrostatic spraying process, but the special paint on the surface of the circuit board is easy to peel off and be damaged due to contact with rollers or conveyor belts during the feeding process, resulting in defective products; In addition, the thinner and narrower lines on the surface of the circuit board are also easily damaged by friction rollers or conveyor belts during the feeding process

[0004] In addition, the circuit board needs to be dried after electrostatic spraying, and sometimes the electrostatic spraying machine and the drying machine are not connected together, so the circuit board after electrostatic spraying needs to be moved to At the drying machine, and the circuit board after electrostatic spraying is sent to the drying machine through the feeding device again, and at this time there will be the same problem, and it is easy to peel off and be damaged due to contact with rollers or conveyor belts, etc.

[0005] Therefore, the electrostatic spraying process of the prior art and the charging device of the electrostatic spraying process really need to be improved

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