With the development trend of industrial production and aquaculture, water pollution is more serious, and the feeding density is gradually increasing, and there are very few areas that can be used for aquatic product breeding. The feeding pedal has the advantages of low investment, high production volume, mobility and good effect, which is one of the reasonable ways to deal with the above problems, and has many application prospects. However, the current design concept of the pedal for feeding fish raft is not scientific, and some use the solid core structure, which improves the net weight of the pedal, and clearly puts forward higher regulations for the float; Some use hollow structure, which relieves the net weight of the pedal, but will reduce the compressive strength of the pedal and endanger the routine use of relevant personnel. Therefore, the marine pedal designed and manufactured by Jiecheng Plastic Industry Company is a complete automatic production line, which integrates feeding, extrusion, continuous roll forming, and automatic length disconnection in the integrated marine pedal 。

The adaptability and composition of the extruder of the marine pedal production line equipment are the prerequisites for ensuring the quality of co-extruded hollow plastic products. To fully grasp the objectives of multi-layer co-extrusion hollow plastic molding machine processing (scraping products, the characteristics of raw materials in each layer of the product and the adhesion force in the middle of each layer of raw materials, and the characteristics of binders), ocean pedal, The marine pedal production line equipment is then designed and conceived as an extruder suitable for the target of plasticized raw materials, and the total number and form of extruders required are specified. The extruder should be able to adapt to different flow rates and different raw material plasticization, and the production efficiency should be higher than that of the standard extruder.

The structure of the screw and barrel of the equipment of the marine pedal production line is different according to the nature of the processed material. Each extrusion device should be equipped with an automatically controlled dosing hopper to control the amount of material to be well controlled.