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摘要

塑料瓶自動封口機是一臺用于飲料或化工產(chǎn)品的塑料瓶自動封口設(shè)備，包括輸送裝置，封口裝置，封口膜退繞卷取裝置以及切膜裝置。塑料瓶置于傳送帶上，輸送帶通過伺服電動機控制塑料瓶在封口工位、切膜工位停止；封口裝置采用氣缸控制，熱封口器采用采用發(fā)熱管進行加熱，通過溫控開關(guān)進行溫度控制，通過熱封口板與瓶口的壓合進行熱封。封口膜退繞卷取裝置包括封口膜退繞裝置和封口膜卷取裝置，封口膜退繞裝置通過滾動軸承固定在機架上，封口膜卷取裝置通過步進電機和同步帶輪，通過步進電機控制封口膜有時序的轉(zhuǎn)停進行退繞卷取動作，即在進行切膜、封口工序是停止轉(zhuǎn)動，在該工序的間隔時間進行退繞卷操作，從而保證進行切膜、封口工序時熱封口膜處于正確位置；切膜裝置采用熱切膜，有電能進行加熱，溫度控制器進行溫度控制，將熱封膜進行切割。

工作時，當塑料瓶進入工作空間后，塑料瓶在傳送皮帶摩擦力的作用下前進。當塑料瓶輸送到至封口工位時，伺服電機將停止轉(zhuǎn)動，塑料瓶停在封口工序位，封口裝置進行完封口工序以后，伺服電動機將繼續(xù)轉(zhuǎn)動，將塑料瓶傳動到切膜工序位置，伺服電動機停止轉(zhuǎn)動，氣缸控制切膜壓板下壓，進行切膜工序，切膜完成以后，伺服電動機控制傳送帶繼續(xù)轉(zhuǎn)動，將塑料瓶輸送到下一工序，同時，封口膜退繞卷取裝在步進電機控制下進行退繞轉(zhuǎn)運動，退繞到指定位置以后，伺服電動機停止。

該塑料瓶自動封口機方案，封口平穩(wěn)、經(jīng)濟、快速。這次設(shè)計的塑料瓶自動封口機，可以應(yīng)用于工廠流水線進行大規(guī)模的生產(chǎn)，提高工廠的生產(chǎn)效率。

????關(guān)鍵詞：封口機；切膜；熱封口

Abstract

Plastic bottle automatic sealing machine is a for drinks or chemical products of plastic bottle automatic sealing equipment, which comprises a conveying device, sealing device, sealing film unwinding coiling device and film cutting device. Plastic bottle is arranged in the transmission belt, conveyor belt through the servo motor control plastic bottles in the sealing station, cutting film station stop; sealing device is controlled by an air cylinder, heat sealing mouthparts using heating tube heating, through the temperature control switch for temperature control. Through the thermal sealing pressure plate and the bottle is heat sealed. Can turn into the sealing film unwinding coiler device comprises a sealing film unwinding device and a sealing film coiling device, sealing film unwinding device through the rolling bearing is fixed on the machine frame, sealing film coiling device through the stepper motor and the synchronous belt wheel, the motor control sealing film sequence stop unwinding coiler action, namely the cutting film, sealing process is to stop rotation, in the process of interval unwinding roll operation, so as to ensure the cutting film, sealing process heat sealing film is in the correct position, cutting film device with eager film, electric heating, temperature controller temperature control, heat sealing film cutting.

When working, when plastic bottles into the working space, the plastic bottle forward on the conveyor belt under the action of friction force. When the plastic bottle conveying to the sealing station, servo motor will stop running, plastic bottle stopped in the sealing process a, sealing device after sealing process later, servo motor will continue to rotate, plastic bottle drive to cut position of membrane process, servo motor to stop rotating, gas cylinder control film clips, under pressure, cutting process film, cut after the completion of the film, the servo motor control conveyor belt to rotate, the plastic bottles will be transported to the next process. At the same time, sealing film unwinding roll device in the stepper motor control of unwinding rotary motion, unwinding in the specified location, servo motor stop.

The plastic bottle automatic sealing machine, sealing, stable, rapid economic. Automatic sealing machine for the design of the plastic bottles can be used in the factory assembly line of large-scale production, improve the production efficiency of the factory.

Keywords: Sealing machine;?cutting film;?heat?sealing

摘要

Abstract

第一章 ?緒論

1.1 塑料瓶自動封口機課題背景

1.2 ?塑料瓶自動封口機的作用

1.3??封口機械的發(fā)展狀況

1.3.1 ?**封口機械的發(fā)展狀況

1.3.2 ?國內(nèi)封口機械的發(fā)展狀況

第二章 ?總體方案的設(shè)計

2.1 ?畢業(yè)設(shè)計任務(wù)書及設(shè)計參數(shù)

2.1.1 ?技術(shù)參數(shù)