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Peristaltic Pump for Food
Pumps food through feeding tube for people who can't eat solid food.Other
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Pumps food through feeding tube for people who can't eat solid food. Designed to be very durable. More info in the 2 links below (including links to the 3D model, fully editable, and a circuit diagram for the electronics)
Materials and methods
DC brushed motor, with precision spur gear gearbox, 6V-12V operating voltage, 6mm D shaft, part 638222 on Servo City
Actobotics brand 0.770″ set screw hub for 6mm shafts, part 545576 on Servo City
very flexible very soft tubing, 5mm OD, 3mm ID, FDA approved
barbed couplings for the tubing mentioned above, these hold the tube in place, FDA approved, 1/8 inch diameter is acceptable as well
6x steel ball bearing, double shielded, 1/4 inch ID, 1/2 inch OD, used as the rollers
binding post, 1/4″ barrel diameter, #10 screw, 5/8 to 3/4 inch length, used as axles for the bearings
4x #6-32 machine screw 1 inch long, holds the rotor to the hub
6x M3 machine screw 0.5mm pitch 12mm long, holds the motor to the pump housing
4x M4 nylon locking nut, to hold the pump housing together
4x M4 machine screw 50mm long, to hold the pump housing together
1x M4 screw with hex head cap 20mm long fully threaded, optional, used as an axle on the rotor, if you wanted to add a dust shield with another bearing
1x M4 nylon locking nut, optional, to hold hex head cap screw mentioned above
1x steel ball bearing, double shielded, flanged, with extended inner ring, 5/32 inch ID, 5/16 inch OD, optional, if you wanted to add a dust shield with another bearing
1/8 inch thick clear polycarbonate sheet, optional, cut and drill into a dust shield
optionally use Loctite on the screws without nylon locking nuts
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