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Roller grading line for pelagic fish

Roller grading line is designed to calibrate fish by its thickness. The design is made for fresh small fish like sprats and Baltic herring species and similar ones like sardines, pilchards and anchovies.

About

Fish is supplied into receiving tank, where hopper- elevator lifts them up and drops onto distribution chute that later guides them onto rotating rollers. Tank is equipped with water level control system that helps to control permanent fish flow in any stage of work.

Roller grading unit performs fish grading into three grades + oversize grade. Grading unit rollers are deployed into V shape with option to adjust the gap between rollers on in and out
feed sides. Fish slides down the gap between rollers while the size of the gap is smaller than thickness of fish. When the fish size matches the gap size it falls through the roller gap and drops
in the determined grade.

Grades are separated and guided to cross – conveyors by easy moveable chutes. Fish from each grade is conveyed to the plastic bins is transported out with cross-conveyors. When the
plastic bins are full with fish, the line operator can separately stop any of cross-conveyors, change the bin and run the conveyor again.

Oversize grade is located at the end of roller unit.

Grading – A must for industrial processing of fish. Gentle grading of fish. Productivity up to 10 Tons per hour.

Main benefits:

Awards received:

“PERUZA proved to be a reliable and professional partner, and helped us improve our shipment processing speed and internal process automation when adjusting to the rapidly increasing volume of shipments."

- Jānis Grants, CEO OF DPD LATVIA -

Technical information

Technical characteristics:

Fish

Pelagic fish

Number of grades

3 + oversize

Size of processed fish

30 – 100 pcs/kg

Equipment dimension (LxWxH)

9300 x 3200 x 3600 mm

Diameter of rollers

76.1 mm

Length of rollers

3500 mm

Water level

Adjustable

Additional options

Hydraulic lift for hopper elevator

All features & benefits

Extensive module system

Faster production time

Up to 120 products can be processed within a minute with only four operators involved, thanks to the extensive module system.

compact and clever design

Compact size

The unique design allows for the equipment size to be one of the most compact in the market – the machine takes only 6100 x 1750 mm of floorspace! Beyond the dimensions, the thoughtful design allows for highly efficient use of space in smaller factories and various production lines with previously limited capacity.

3D RECOGNITION & weight calculation unit

Reduced giveaway

Precise calculators in our 3D dimension recognition and weight calculation unit reduce the giveaway of the product and increase the line capacity. The final weight range in packaging and current line setup can be adjusted in a smart, easy-to-use interface. 

Adaptable functionality

Fit for various products

The easy-to-use, intuitive user interface allows for the weight range to be adjusted, and this machine can be adapted for various products ranging from fresh or frozen meat and fish to vegetables and fruit.

How it works

Step #1

Arrival on product conveyor

Firstly, the products arrive onto the main product conveyor one by one in 1, 2 or more lanes.

Step #2

Passing through 3D recognition unit

Then the product is passed through 3D dimension recognition and weight calculation unit.

Step #3

Product placement into a tray or box

The program sends a signal to the robot with appropriate gripper to pick up and place the product into a tray or box to reach a set final weight range in packaging that can be adjusted in the user interface.

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