the overall structure of the automatic vacuum
packaging machine compressor make you 3 minutes to read it.
In recent years, our country is widely used in the piston compressor design and manufacture of outdoor series products, its typical structure such as 6 w -
12.
5 type compressor and 8 fs10 type compressor.
In summary, some of these series has the following characteristics.
(
1)
In order to adapt to modern automatic vacuum
packaging machine compressor to the demands of the development of high speed small shape and three generally used the Angle of the cylinder type arrangement, cooperate with counterflow structure to replace the old downstream type structure, shorten the height of the piston, switch to make the cylinder piston arrangement of the advantages of a compact and recommend suite more fully play out, become the important structure characteristics of the high speed multi-cylinder compressor today.
(
2)
Widespread use of automatic vacuum packaging machine compressor cylinder block and cylinder block of crankcase together as a whole a crankcase body structure if gas and crankcase is separable, and linked by the flange with screw, so, want to be in a side by side on the crankcase connect three (
W)
Or three or more (
S)
The cylinder block is difficult.
just cancelled this automatic vacuum packaging machine compressor flange junction surface, the body chooses integral structure, is likely to shrink the adjacent cylinder axis Angle to 45 without excessive increases the body's cylinder axial size and quality.
Subdivision surface to reduce body will also bring other benefits, such as raising the stiffness and tightness of the body, reduce the machine runs on both sides of the body of the crankcase connecting rod large cranium and runs with the operation of the window, at ordinary times shall be sealed with the side cover.
Side cover has checked the oil level of mirror, sometimes also equipped with lubricating oil and heater.
(
3)
Automatic vacuum packaging machine replaceable universally adopted in compressor cylinder liner.
In this way, not only simplifies the whole body casting, ensure the position precision of the compressor between the main axis, reduce friction and wear, also easy to realize in the structure of the top open air suction valve slice to lose steam quantity.
(
4)
Automatic vacuum packaging machine compressor using cylinder liner as suction cavity around space, it not only can make the cylinder cooling by inhaling low temperature steam, and can reduce the happening of the liquid working medium liquid inhalation and strike.
In order to reduce the heat transfer surface, in order to reduce the inhalation of steam heating, and at the same time in order to simplify the body's internal channel shape, unfavorable exhaust cavity layout within the body, but should be by outside over the exhaust from the each cylinder head directly.
However, there are external pipe, in order to simplify the compressor appearance and still let exhaust exhaust cavity in the body of derivation.
Between the suction or discharge chamber are equipped with a valve, in case the exhaust pressure is too high.
In the suction channel has preferable cleaning out the screen.
(
5)
Automatic vacuum packaging machine in domestic series compressors are not more than eight number of cylinders, turn the crankshaft adopt double bearing, hyperbolic (
Crank Angle 180).
Each crank pin with 1 ~ 4 connecting rod structure, which can shorten the length of the crankshaft and compressor, reduce the friction loss, simplify the structure, easy to manufacture.
Double hyperbolic turn the crankshaft bearing is widely successful application is inseparable with other improvements, such as shaft seal structure improvement, the increase of the compressor speed and reduce of the flywheel, shaft diameter increases, thinning of the width of the big end, bearing material improvement, etc.
When necessary, with double bearing crankshaft, rolling bearing can be used.
When the number of cylinders to increase to 12 ~ 16, crankshaft have to adopt more supporting structure.
(
6)
Automatic vacuum packaging machine on compressor same crank connecting rod are adopted with decorate a form, which can make all cylinder connecting rod and universal, the movement of each cylinder piston are exactly the same, can't just tied for connecting rod cylinder's line in the plane perpendicular to the axis of the crankshaft, and the longitudinal staggered distance.
The fault distance, for a line of connecting rod adjacent cylinder is equal to the thickness of a big end.
In terms of structure process, paratactic type rod arrangement is simple, low manufacturing cost, easy replacement of maintenance.
Look from the bearing lubrication condition is also good.
(
7)
Automatic vacuum packaging machine is generally used to install the upper flange suction valve cylinder compressor channels, configuration points, a type of ring valve structure, make a good position to arrange suction exhaust valve flow area, and try to reduce the clearance volume cylinder, the valve assembly consists of a cylindrical helical spring compression on the cylinder liner, it is not only convenient for installation, and thus form the so-called false cap body, prevent liquid impact phenomenon.
(
8)
Automatic vacuum packaging machine compressor adopts hydraulic control the capacity of regulating mechanism, based on the change of external operating conditions, by manual or automatic control.
the above is the general structure of the automatic vacuum packaging machine compressor, hope to help you.
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