Automatic capping device for serial production line of polyurethane rigid lump foam

聚氨酯硬质块状泡沫连续生产线中的自动压顶装置

Abstract

本实用新型公开了一种聚氨酯硬质块状泡沫连续生产线中的自动压顶装置,气动执行器通过承载支架固定在连续生产线的承重横杆上,气动执行器下部执行端通过压力变送器与压顶框架连接,在压顶框架下端安装滚轮;压力变送器与DCS控制系统联接,在气动执行器和空压机之间设置气动电磁阀,DCS控制器与气动电磁阀联接。本实用新型的优点是:采用的DCS控制系统会按照控制要求,输出合适的电流信号给气动电磁阀,利用气压来调整压顶在发泡时对泡沫顶部施加的压力,生产的硬泡上表面较平,切材率高,降低产品成本。
The utility model discloses an automatic capping device for a serial production line of polyurethane rigid lump foam. A pneumatic actuator is fixed on bearing cross rods of the serial production line through a load-bearing bracket; a pneumatic actuator lower actuating end is connected with a capping frame through a pressure transmitter; rollers are mounted under the capping frame; the pressure transmitter is connected with a DCS control system; a pneumatic electromagnetic valve is arranged between the pneumatic actuator and an air compressor; the DCS controller is connected with the pneumatic electromagnetic valve. The automatic capping device has the advantages that the adopted DCS control system outputs proper current signals to the pneumatic electromagnetic valve according to control requirements; the pressure applied to the foam top by the capping in foaming is adjusted by utilizing air pressure; produced rigid foam is relatively flat in upper surface; material cutting rate is high; product cost is lowered.

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