Single chamber vacuum
packaging machines and vacuum
packaging machine is not much difference on the function, only a single chamber vacuum chamber of the desktop is big, so it can be packing goods volume is slightly bigger than the desktop.
Single chamber vacuum packaging machine for packaging items have dried fruit, rice, beans, pickles, preserved fruit, native products, chemical raw materials, medicines, medicinal materials, electronic components, precision instruments, etc.
No matter solid, powder, paste packaging.
typical structure of the single chamber vacuum packaging machines as shown.
According to the arrangement type of vacuum chamber is different, there are horizontal, vertical, but tilting.
The lower supporting foot are usually equipped with roller machine.
single chamber vacuum packaging machines, vacuum system as shown in figure 10 -
As shown in 145.
Put the goods good packaging, close vacuum cover.
Guide valve 2 of National People's Congress in a closed state, make a vacuum chamber and atmosphere, valve 4 and 1 conductance, makes a vacuum chamber (6) and mean room extraction at the same time.
4 power to the expected after the vacuum degree of the valve, valve 3 conductance to the vacuum chamber inflatable.
After aeration, valve 3 and 1 power, let air into the small chamber.
Under the action of atmospheric pressure, heat sealing device for packaging pressure, at the same time, electric heating electricity will be sealed bags.
Sealing end power stop for a minute, cools the bags.
Then valve 2 conductance tong, introducing atmospheric vacuum chamber.
At this time in order to open out already packaged goods, at the same time into the next cycle.
The status of any of the above process solenoid valve can through a solenoid valve on-off table, see table 10 -
102.
Including 1 valve for pneumatic valves, with vacuum pump through electricity, electricity atmosphere connected, the rest are vacuum electromagnetic valve.
in fact, desktop vacuum system of vacuum
packing machine is basically the same, they all belong to the nature of the single room.
the characteristics of the single chamber vacuum packaging machines for:
(1) after close the vacuum chamber, can achieve a vacuum air cooling has always been a hot recto vacuum chamber guide people atmosphere automatic cycle, generally can adjust time of each process and the heat sealing temperature, in order to suit different packaging requirements and packaging materials, some still can adjust the vacuum degree and your in order to achieve the best effect of packaging.
2. Structure is simple, easy to operate, smaller volume, lighter quality, usually under 300 kg (
Except for large)
, vacuum pump suction speed can be slightly higher than the desktop, the cycle time of 15 s to 60 s.
3. Suitable for packaging of single chamber vacuum operation scope and desktop roughly the same.
Because of the vacuum chamber is larger, higher productivity, thus has greater than desktop application range, is our country at present main products of the vacuum packaging machine.
this packaging machine packaging material for all kinds of plastic composite film or plastic foil composite membrane, such as polyester/polyethylene, polyester/polypropylene, nylon/PE, nylon, polypropylene/polyethylene, polyester/polypropylene/aluminum foil/PE, two-way stretch nylon/polypropylene/aluminum foil/polyethylene, polypropylene/polyethylene, etc.
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