TOMATO HARVESTEREvery time it comes to canning vegetables and preparation of juices, I catch myself thinking that once again have to go to a neighbor for his juicer. She is unpretentious and simple in design, but, once having worked with her, I can not bring myself to use their industrial combine electric and numerous attachments: again the whole kitchen will have to wash all these nozzles are cleaned.
Whether it is a neighbor’s homemade: and wash-then only three circuits, and Yes seeds, pulp not stuck, and the performance is such that at least manually, but over 30-40 minutes, a bucket of tomato juice.
Very sorry that such fixtures are not on the shelves. So I decided to tell you about the structure of this combine on the pages of your journal: maybe someone will make one for myself, and maybe the industry will be interested.
Externally, the juicer like a meat grinder: the same is secured by a clamp to a stop, the same bell boot Windows, the same handle. However, this similarity ends, as the principle of operation is completely different: there is no screw inside and the usual knives, although it has its own grate at the outlet. Instead of a screw, a small drum with scrapers-knives. Their blades, they grab a tomato (or slices, if large) and pull him with them by turning the knob, pushing in narrowing the gap between the housing and the drum.
Fig. 1. Juicer and its parts.
Fig. 1. Juicer and its parts:
1 — housing Assembly, 2 — drum, 3 — tray for juice, 4 — scrapers-knives, 5 — the handle to the shaft.
The mechanism of the device is very simple. The visible outside parts are the clamp, two plate rack bracket, a hopper with a handle and a mesh window for juice and pulp output, with two trays under them. Inside is a single unit-drum, and plate retractable knife scraper with push-in spring. The drum with its thickened bottom with a threaded hole screws onto the shank of the shaft, which is connected with the drive handle. A shaft bearing while the seal is a PTFE bushing, the body of which is the steel sleeve that is welded to the sidewall of the hopper.
Fig. 2. The main parts of the juicer.
Fig. 2. The main parts of the juicer:
1 — the front wall of the hopper, 2 — tray, bagasse, 3 — window output of bagasse, 4 — shaft, 5 — handle, 6 — drum 7, the 20 the side walls of the tank (wall, 20 hole), 8 — knife (drowned), 9 — tomato, 10 — tray of juice, 11 — stand, 12 — clamp, 13 — rod handle, 14 — axis, 15 — bearing, 16 — bearing (PTFE sleeve), 17 — mesh (or perforated strip with holes Ø 1,5 mm), 18 — knife (extended), 19 — spring knives.
To the lower window of the bunker welded mesh (perforated plate with hole Ø 1,5 mm) — through it and enters the juice on a long tray, fixed the bent ears in a specially sawn grooves of the uprights of the bracket. Tray pulp is welded to the hopper below the top of the window.
Scrapers-knives connected to the spacer by a spring. To do this, their bottom plate is cut into three “petals”: the two extreme folded in opposite directions (focus), medium is inserted into the spring. The top plate has a lateral projection limiting the indentation of it in the slot of the drum.
Fig. 3. The drum unit Assembly (Assembly).
Fig. 3. The drum unit Assembly (Assembly):
1 — pen, 2 — shaft, 3 — bearing, 4 — bearing (PTFE sleeve), 5, 9 — hopper, 6 — reel, 7 — knives 8 — spring.
Handle with shaft assembled as a single unit. The second node will be rallying drum with knives on the spring. It is inserted from the top of the hopper; then, in Teflon sleeve inserted shaft, which is carefully fastened to the drum. It remains to establish the juice tray and the combine is ready for operation.
Due to the eccentric location of the drum relative to the walls of the casing sliding thereon knives-scrapers, the closer to the grid, ACE more recessed into the slots of the drum, and is attracted to them, tomatoes are increasingly squeezed, kneaded. On the grid they have almost wiped her holes, completely giving up the juice under pressure from the drum. And almost dry pulp is then released at the gathering with mesh knives pushed through a window on the discharge tray.
As easily as planned, the mechanism and disassembled, remove the tray for juice, vylinivaya from the drum shaft (reverse rotation handle) and removed from the hopper released the drum with knives — all can be washed.
It seems that this simple machine would be a great help for gardeners and vegetable growers — because through it you can bypass any soft fruits, berries and vegetables. The only exceptions were those that have not the seeds, and bones: they must be pre-extracted, and the rest pass through the juicer.
The proposed design was intended for tomatoes and is designed for maximum fruit diameter 50-60 mm. When using the machine for other types of vegetables, berries, fruits can be made corresponding changes in the dimensions of the hopper, the drum and other parts.
Sure everyone, who made this arrangement will be satisfied.
G. ASTAKHOV, engineer, Rostov-on-don

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