fpc pressure keeping machine

Abstract

Disclosed are a pressure holding machine for a flexible printed circuit (FPC). The machine comprises: a frame, a support board for placing an FPC, a downward pressing pneumatic cylinder provided on the frame, and a pressure holding head connected to a power output end of the downward pressing pneumatic cylinder. The pressure holding head comprises a main body. Multiple air suction channels (71) arranged in two rows and extending vertically are provided on the main body, and each of the air suction channels (71) has an air suction opening formed at a lower end thereof. Also provided are two parallel communication channels (72) extending in a horizontal direction, and each of the communication channels (72) passes through and is in communication with a corresponding row of the air suction channels (71). Each of the communication channels (72) has one end formed as an air discharge opening. Such pressure holding machine for an FPC solves the problems of a harmful gas being spread into the atmosphere and causing damage to health, heat dissipation of elements nearby the head, and potential melting of a non-melting portion.

Description

technical field [0001] The invention relates to an FPC pressure maintaining machine. Background technique [0002] The so-called holding pressure refers to the process of binding FPC (flexible circuit board) on the LCD surface in the automatic production process of LCD, which needs to be held by a high-temperature pressure holding head. The traditional pressure-holding indenter used for this kind of pressure-holding is an ordinary solid head, and then the indenter is heated by heating, and then the FPC is pressure-holding. During the pressure holding process, it is often found that when the FPC made of solidified aerobic material is heated and held for pressure, three problems will occur. 1. Poor firmness. It is found in the research that due to the lack of air circulation in the pressure head part during the pressure holding, the non-melting parts will melt slightly during the pressure holding, resulting in a low yield rate. 2. Since the pressure head is very hot, the air...

AI Technical Summary

Problems solved by technology

1. Poor firmness. It is found in the research that due to the lack of air circulation in the pressure head part during the pressure holding, the non-melting parts will melt slightly during the pressure holding, resulting in a low yield rate.

2. Since the pressure head is very hot, the air around it is also very hot when maintaining the pressure, resulting in more or less damage to other nearby components

3. The irritating gas is produced due to the melting of the material. Since the pressure keeping is done in the clean room, this situation will affect the health of the operators.

Images