真空(kong)(kong)包裝(zhuang)機(ji)按照(zhao)抽氣(qi)方(fang)式(shi)(shi)不同會有內抽式(shi)(shi)和外抽式(shi)(shi)兩種類型，它們都是(shi)由真空(kong)(kong)系(xi)(xi)統、抽充(chong)氣(qi)密封(feng)系(xi)(xi)統、熱壓封(feng)合(he)系(xi)(xi)統、電器控(kong)制系(xi)(xi)統等組成。其中內抽式(shi)(shi)包裝(zhuang)機(ji)是(shi)有真空(kong)(kong)室的，物(wu)品可(ke)(ke)以擺放(fang)在(zai)真空(kong)(kong)室里，合(he)上(shang)真空(kong)(kong)機(ji)的真空(kong)(kong)室上(shang)蓋后，就形成密閉的空(kong)(kong)間，這樣就可(ke)(ke)以進(jin)行抽真空(kong)(kong)工作(zuo)(zuo)了，但是(shi)在(zai)工作(zuo)(zuo)過程中，有時會出(chu)現真空(kong)(kong)蓋合(he)不上(shang)的情況