Welcome to the oil press machine ---From the oil seeds to oil

Feb 10, 2025

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Welcome to the oil press machine --- From the oil seeds to oil

With the expansion of the global planting area of high-quality oil crops, the screw oil press has promoted the process of agricultural industrialization while improving work efficiency. Common edible oils in daily life, such as peanut oil, rapeseed oil, walnut oil, etc., are inseparable from the processing of the screw oil press.

flaxseed oil

peanut oilsunflower oil

I. The structure of the oil press

The screw oil press is easy to operate and of high quality. The following is a graphic introduction to the structure of the oil press for your reference.

oil press hopper

1. Feeding mechanism

The feeding system includes a hopper and a screw conveyor. The hopper is used to store raw materials, and the screw conveyor evenly transports the raw materials to the pressing chamber through rotation to ensure that the raw materials enter the pressing system smoothly.

2. Press chamber mechanism

The pressing chamber is the core of the oil press, which consists of a pressing ring, a pressing screw, and a pressing screw shaft. The pressing screw is attached to the pressing screw shaft, and the raw materials are squeezed through the spiral pattern and the pressing ring. As the thread pitch decreases, the pressure increases, and the oil is squeezed out to the maximum extent. The pressing screw, pressing ring, and pressing screw shaft are all quenched, with high hardness, long life, and less wear.

oil press rings
oil press chamber

3. Base

The base supports the whole machine, allowing it to be placed on the ground stably to avoid wear. The base is made of high-hardness carbon steel.

4. Electric control box

The electric control box provides power support and adopts the internationally renowned brand DELIXI, with reliable quality.

oil press structure
oil press shaft

5. Adjustment mechanism

The Adjustment mechanism can adjust the thickness of the cake.

6. Deceleration mechanism

The Deceleration mechanism adjusts the speed through the gear transmission system, increases the pressing pressure, and improves the oil output rate. At the same time, it can forcibly cut off the power when the pressing pressure is too large, protect the machine, and extend its service life.

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II. Working principle of oil press

 

The oil press adopts the physical pressing principle to obtain oil by screw pressing raw materials. The pressing process is as follows:

 

1. Raw material pre-treatment

Before pressing, the raw materials need to be cleaned and impurities (such as stones, weeds, etc.) need to be removed to ensure the normal operation of the oil press and ensure the quality of the oil.

2. Feeding and pressing

Put the raw materials into the hopper and send them into the pressing chamber through the conveyor. The screw and the ring squeeze each other, and as the bite gap decreases, the pressure increases, thereby increasing the oil yield.

3. Secondary pressing (not necessary)

The dry cake after the first pressing can be pressed for a second time to further extract oil. The dry cake can also be sold as feed to increase the added value of the product.

 

The screw oil press, with its convenient operation and efficient working performance, provides a variety of pure, natural and high-nutritional edible oils for edible oil processing, and is an indispensable equipment for modern oil processing.

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