Small fish filleting machine

• Can process fresh or semi-thawed fish; • Separate the fish meat from the bones, skin, and scales of fish that have already had their heads and internal organs removed to obtain the fish meat; • Applicable fish species: various marine fish, freshwater fish, etc.

Classification

Fish ball processing series

Keywords:

automatic fish fillet machine

filleting spanish mackerel

fillet fish machine

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Product Solutions

In small aquatic product processing plants, family workshops, and laboratory settings, small fish meat separating machines are core equipment for separating fish meat from fish bones and skin. Compared to large-scale production line equipment, it meets the needs of small-batch fish paste processing with its compact size, flexible operation, and moderate production capacity. It can efficiently separate the muscle tissue of various types of fish, including freshwater and saltwater fish, providing pure raw materials for fish paste product processing, and becoming a powerful tool for small-scale aquatic product processing operators. 

The material selection of small fish meat separating machines balances hygiene and durability. Key components that come into contact with materials are all made of 304 food-grade stainless steel. This material has good corrosion resistance and can withstand the salt content in fish body fluids and erosion from water during processing. It is not easy to rust with long-term use; the surface is finely polished, smooth and burr-free, reducing fish residue and bacterial growth, and meeting food processing hygiene standards. The equipment frame is made of high-strength carbon steel and is electrostatically sprayed, ensuring structural stability and ease of daily cleaning. The overall weight is controlled at 50-100 kg, making it easy to move and install. 

I. From a structural layout perspective, small fish meat separating machines adopt a vertical or horizontal compact design, mainly consisting of a feed hopper, meat separating roller, pressing device, fish bone discharge trough, fish paste collection trough, and drive motor. Suitable for small-batch feeding; the meat separating roller is the core working component, with precision round holes on the surface, and fixed scrapers installed inside the roller; the pressing device consists of a pressure adjustment handle and baffle plate, which can control the contact pressure between the fish meat and the roller; the roller is rotated by belt or gear transmission. 

II. In terms of working principle, small fish meat separating machines achieve bone and meat separation through mechanical extrusion and screening. Operators put pre-processed fish sections (headed and gutted) into the feed hopper. Under the action of self-weight and slight pressure, the fish meat comes into contact with the rotating meat separating roller. Due to the certain elastic tension of the round holes on the surface of the roller, the fish muscle tissue is squeezed out of the round holes under pressure, adheres to the inner wall of the roller, and is then scraped off by the fixed scraper to the fish paste collection trough; while fish bones, fish skin, and other connective tissues, due to their greater toughness and hardness, cannot pass through the round holes and are transported to the fish bone discharge trough for discharge as the roller rotates, thus achieving efficient separation of fish meat from impurities. 

Meat separating effect control is a technical focus of small fish meat separating machines. The equipment ensures meat separating quality through adjustment mechanisms: one is to replace meat separating rollers with different apertures; different apertures are suitable for processing different types of fish. 

III. In terms of operation and maintenance, small fish meat separating machines embody user-friendly design. The equipment is equipped with a simple control panel, with only a power switch and a speed adjustment knob. Operators can quickly get started without professional training. The meat separating roller adopts a quick-release structure, fixed by buckles or bolts, and disassembly and cleaning only takes 5-10 minutes, facilitating daily maintenance and replacement. Non-slip foot pads are provided at the bottom of the equipment for stable placement and to prevent shaking; the fish paste collection trough adopts a drawer-type design, making it easy to collect and pour fish paste, reducing material waste. 

The production capacity design of small fish meat separating machines is tailored to the needs of small-batch production, processing 100 kg of fish raw materials per hour, suitable for production scenarios with a daily processing capacity of 500-800 kg. Compared with manual meat separating, it increases meat separating efficiency by 3-5 times, greatly reducing labor intensity; at the same time, it avoids the risk of bacterial contamination caused by manual contact, improving the hygiene quality of fish paste. Its compact size (usually about 60 × 50 × 80 cm in length × width × height) can be placed directly on the operating table, saving workshop space, especially suitable for small processing sites with limited space. 

In addition, small fish meat separating machines have a wide range of fish adaptability and can process various raw materials from freshwater fish such as crucian carp and grass carp to saltwater fish such as mackerel and cod. By changing the roller and adjusting the parameters, different sizes and meat quality of fish can be adapted. The operating noise of the equipment is controlled below 75 decibels, which will not cause significant interference to the workshop environment. For start-up aquatic product processing enterprises, this equipment has low initial investment and low maintenance costs, enabling rapid mechanization upgrades in fish paste processing and laying the foundation for subsequent product diversification development. 

As key equipment for small-batch fish paste processing, small fish meat separating machines, with their compact structure, flexible operation, and reliable performance, have become important tools for small-scale aquatic product processing operators to improve efficiency and ensure quality, playing a positive role in promoting the popularization of mechanized aquatic product processing. ​