Overview
The Vincent KP Press consists of a screw rotating within a screen housing, a flanged inlet
hopper, and a discharge opening. At the discharge end, the mouth of the screen housing is
closed by a pneumatically actuated cone which moves back and forth on the screw shaft in
proportion to the internal pressure in the screen frame. This motion is opposed by the cone
cylinder thrust, thereby regulating the discharge of solids. An air regulator is provided to adjust
the pressure on the cone. The liquids, which are squeezed from the wet product, escape through
the screen housing and are caught in a built-in pan under the screen.
The screw is driven by a fixed speed electric motor that is C-face mounted to a gearbox. The
gearbox reduces the RPM from the typical 1750 RPM output of the motor to an appropriate
speed for the application, 5 - 50 RPM. The hollow bore gearbox mounts directly on the screw
shaft and is flange mounted to the machine.
The numbers in the model designation stand for the nominal diameter of the screw in inches.
As the press has been adapted to many different applications, options have been added to the
press. These include interrupted or continuous flighted screws, conical screws where the shaft
increases in diameter, different shape inlet hoppers, different style cones, etc. As a result, not all
the information contained in this manual will apply to your press.
Safety
A screw press, like any screw conveyor, is totally unforgiving. If clothing or a limb gets
caught in a rotating screw, the screw will not stop.
Observe the following safety precautions:
Wear safety glasses around the press.
Avoid loose-fitting jewelry or clothing, including high-visibility safety vests. If vests
are required, the Velcro, tear-away type are recommended.
Always lock out electric and compressed air before working on the press.
Dewatering presses squirt liquid out, particularly if screen covers are removed. If
material is hot, acidic, or caustic, do not remove screen covers while operating.
Wear gloves when performing maintenance.
When removing the tailstock and discharge mechanism, watch for pinch points and
hinged assemblies. Be careful when removing or installing the screw and screen
when they are fed through the C-plate as this is a particular pinch point.
Never stand near a press being suspended during installation.
Provide an E-stop button near the press.
Keep hands out of the press inlet and press cake discharge area.
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