毕业设计论文）-塑料瓶自动封口机设计.doc

毕业设计（论文）说明书 课题名称 塑料瓶自动封口机 学 院 机械工程学院 专 业 机械工程及自动化 班 级 学 号 姓 名 指导教师 年 月 日 摘要 塑料瓶自动封口机是一台用于饮料或化工产品的塑料瓶自动封口设备，采用工作时，当进入工作空间后，在皮带摩擦力作用下前进。当至位时，将，方案，、经济、快速。这次设计的，可以，。机；； Abstract Plastic bottle?automatic sealing?machine is a?plastic bottle for?beverage or?chemical products-automatic sealing?equipment,?which comprises a driving device,?a sealing device,?the sealing film-unwinding?coiled?device and?cutting?device.?Driving device adopts the?servo?motor to drive,?servomotor connected through the?coupling and reducer,?reducer through?belt drive?is connected with the transmission?belt,?plastic?bottle is arranged?on the conveyor belt,?through the?servo motor control?plastic bottles in the?sealing?station,?station?stop?cutting film;?sealing?device?controlled by cylinder,?heat seal?uses?electrical energy to heat.?The temperature?control,?the?temperature control switch,?through the thermal?sealing plate and the?pressing?heat sealed?bottle.?Sealing film-unwinding coiled?device comprises a?sealing film?unwinding?and?rewinding device,device?sealing film?unwinding?roller bearing?is fixed on the frame?through the?sealing film?coiling device?through the transmission belt?is connected with the?servo motor,?unwinding?coiled?of?action through the?servo motor control?sealing film?time?to?stop,?in?cutting?film,?sealing process?is?stopped,the unwinding?roll?of?operation?in?the process?of the?time interval,?so as to ensure the?cutting film,sealing?process?of heat?sealing film?is in the correct?position?by hot?film;?film cutting device,?electric-heating?temperature controller?to control the temperature,?the?thermal sealing film?cutting. At work,?when the?plastic bottle?into the working?space,?plastic bottles?along the?conveyor belt-under the action of friction