Peristaltic Pump for Food

Pumps food through feeding tube for people who can't eat solid food.

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Description

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)

https://cad.onshape.com/documents/21d93d7fa07f4e049c1e2344/w/f15984352f124ccf842135a6

http://eleccelerator.com/3d-printed-peristaltic-pump/

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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Comments

dago126 added this to the Homebrewing collection almost 5 years ago

Daniele Ribolla added this to the shotty's stuff collection almost 6 years ago

Hugo Luquis added this to the Tools collection about 7 years ago

srakoon added this to the Food collection almost 8 years ago

albrov added this to the hobby collection about 8 years ago

Maboo added this to the Paste and liquids extrusion collection about 8 years ago

Maboo added this to the Interesting objects collection about 8 years ago

Maboo added this to the Useful everyday things collection about 8 years ago

frank26080115 published this design about 8 years ago

Thanks for downloading!