Screw press juicer. Drawing, description

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Screw press juicer. Tips for the home master

Builder, home master

Instead of a jack, I prefer to use a special unit with sufficient performance for the household. All costs for the manufacture of such a mechanical assistant pay off quite quickly, and the quality of the resulting juice does not cause any complaints.

At the heart of a homemade juicer is a manual screw press. Raw materials, for example, crushed apples, are placed in the tank on a rotating frame, which is fixed during operation. Most of the squeezed juice enters the cavity, which is separated from the pulp by a perforated pan with a mesh, and the smaller part is filtered through a crushing circle with the same mesh and flows down a hose into a container (not shown in the figure). The pulp remains sandwiched between the grids and is removed only after draining the juice.

The design of the unit is designed for the modest possibilities of a home workshop and does not require turning. All that is needed is a welding machine (made, for example, according to a development published in the magazine "Modelist-Constructor" No. 1'97) and materials literally selected from scrap materials, including a lead screw with a nut.

It is advisable to take a tank with a pallet ready (say, from a decommissioned titanium boiler). But you can also weld from a 3 mm stainless steel sheet, if there is one. And as a crushing circle - to adapt the reel gear from the decommissioned SK-4 combine, slightly cutting off the sharp teeth and edges with emery. Thrust bearing 98205, necessary to reduce the effort when screwing in the juicer's lead screw, can be taken from an automobile clutch.

Screw press juicer (click to enlarge): 1 - swivel frame (steel bar 25x25); 2- tank (stainless steel); 3 - left axle shaft with M16 nut; 4 - left post (steel pipe 40x26x3); 5 - base (steel pipe 35x35x3); 6 - raw materials (chopped apples); 7 - lining (oak, local dimensions, 4 pieces); 8 - fitting with drain hose) m; 9 - tray (from a titanium boiler, perforated); 10 - swivel frame lock; 11 - mesh (2 pcs.); 12 - juice; 13 pressure circle with bearing 98205; 14 - lead screw nut (from a lathe); 15 - overlay (steel plate 160x50x10, 2 pcs.); 16 - lead screw (from a lathe), 17 - knob; 18 - right handle (steel pipe 31x3, L70); 19 - axis of the right handle (steel bar, L100)

The swivel frame is welded from a steel bar with a section of 25x25 mm. The base of the unit is also welded - from a steel pipe of square section. And the racks are made of a rectangular tube.

Other details are clear from the figure. The only thing that is missing there is the container tipping limiter - a welded steel plate, the position and dimensions of which are determined during the manufacture of the juicer.

Author: K.Panasyuk

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