Ultrasonic food cutting technology

In food processing, cutting plays a very important role. The essence of food cutting is the relative shearing action between the raw material and the knife. The cutting process consists of two parts of movement: the feed of the material and the cutting movement of the cutter. my country's food cutting machinery has a small variety of products and a limited operating range. Ultrasonic cutting machine is a new type of cutting equipment. Its cutting principle, equipment structure and characteristics are essentially different from traditional cutting equipment.

Ultrasonic food knife vs traditional knife

Traditional cutting

The production of food is always inseparable from cutting, the problems that arise in the traditional food cutting process:

1. The production capacity sometimes cannot satisfy the finished processing volume. The food to be processed is often prone to deterioration and damage;

2. When some foods are subjected to very intensive processing, they will produce broken particles, crumbs and smash that will soil the plant;

3. Food is composed of different materials and has non-uniform characteristics;

4. Some foods are sticky and not easy to divide (cake).

Ultrasonic cutting

The principle of the ultrasonic cutting machine is completely different from the traditional cutting. It uses ultrasonic energy to heat and melt the material to be cut locally, so as to achieve the purpose of cutting the material.

Ultrasonic cutting machine is a type of equipment that uses ultrasonic waves to perform cutting processing. Its characteristic is that cutting does not require cutting edges. Traditional cutting uses a knife with a sharp edge to press against the material to be cut. This pressure is concentrated at the cutting edge, and the pressure is very high. Exceeds the shear strength of the material being cut. The molecular bond of the material is pulled apart and it is cut. Since the material is pulled apart by strong pressure and rigidity, the cutting blade should be very sharp, and the material itself has to bear relatively large pressure. The cutting effect is not good for soft and elastic materials, and it is more difficult for viscous materials.

The ultrasonic cutting machine is mainly composed of an ultrasonic transducer, an ultrasonic horn, a cutting knife, and an ultrasonic generator.

The ultrasonic generator converts the mains electricity into high frequency and high voltage alternating current, which is output to the ultrasonic transducer.

Ultrasonic transducer is an energy conversion device, which can convert the input electrical energy into mechanical energy, that is, ultrasonic, and then transmit it to the separation zone. Manifestation

The formula is that the transducer stretches back and forth in the longitudinal direction. The frequency of the telescopic motion is equal to the frequency of the high-frequency alternating current supplied by the ultrasonic wave.

The role of the ultrasonic horn: one is to fix the entire ultrasonic vibration system; the other is to amplify the output of the transducer.

On the one hand, the cutting knife further amplifies the amplitude and focuses the ultrasonic wave; on the other hand, it outputs the ultrasonic wave, and uses the similar cutting edge of the cutting knife to concentrate the ultrasonic energy into the cutting part of the material to be cut. This part is instantly softened and melted under the action of huge ultrasonic energy, and its strength is greatly reduced. At this point, as long as a small cutting force is applied, the purpose of cutting the material can be achieved.

However, there are still some factors to pay attention to when using ultrasonic equipment. The influencing factors of ultrasonic food cutting equipment are mainly food material, food height, cutting angle, cutting thickness, etc. These factors will be included in the test when customers can provide customized services. In order to achieve the ideal cutting effect. Ultrasonic food cutting equipment has a wide range of applications, and can be used for cake cutting, cheese cutting, bread cutting, etc.

The handheld ultrasonic food long knife cutting equipment is suitable for cake rooms and small food processing workshops. The handheld humanized design will not make people tired after long-term use. It is convenient and convenient, and is suitable for all kinds of baked goods. The handheld ultrasonic food long knife cutting equipment can cut arbitrarily, automatically control the cutting angle, and products of any size can be cut.