真(zhen)空(kong)包裝機按照抽(chou)氣方式(shi)(shi)不同會有內抽(chou)式(shi)(shi)和外抽(chou)式(shi)(shi)兩(liang)種類(lei)型(xing)，它們都是(shi)由真(zhen)空(kong)系(xi)(xi)統(tong)(tong)、抽(chou)充氣密封系(xi)(xi)統(tong)(tong)、熱壓封合系(xi)(xi)統(tong)(tong)、電器控(kong)制系(xi)(xi)統(tong)(tong)等(deng)組成。其中(zhong)內抽(chou)式(shi)(shi)包裝機是(shi)有真(zhen)空(kong)室的(de)，物(wu)品可(ke)(ke)以擺(bai)放(fang)在(zai)(zai)真(zhen)空(kong)室里，合上(shang)真(zhen)空(kong)機的(de)真(zhen)空(kong)室上(shang)蓋后(hou)，就(jiu)形成密閉的(de)空(kong)間，這(zhe)樣就(jiu)可(ke)(ke)以進行抽(chou)真(zhen)空(kong)工作了，但是(shi)在(zai)(zai)工作過程(cheng)中(zhong)，有時(shi)會出現真(zhen)空(kong)蓋合不上(shang)的(de)情況(kuang)