Drip tape production equipment and production process thereof

Abstract

The invention discloses drip tape production equipment and a production process thereof. The equipment comprises first traction equipment, a heater, a molding roller group, first cooling equipment, second traction equipment, a U-shaped rolling frame, an O-shaped rolling frame, welding equipment, second cooling equipment and third traction equipment which are arranged in sequence, wherein the U-shaped rolling frame comprises a bracket and a limiting cover plate; the bracket comprises an air charging pipe communicated with compressed air; a U-shaped supporting plate is fixed above of the air inlet pipe; a cavity communicated with the air inlet pipe is formed in the U-shaped supporting plate; a plurality rows of air outlets are uniformly distributed along the radial circumference in the inner wall of the U-shaped supporting plate; the O-shaped rolling frame comprises a hollow through pipe which is internally provided with a cavity communicated with the compressed air; a plurality of air holes communicated with the cavity are formed in the inner wall of the through pipe. The process is used for producing a drip tape by forming holes, forming a flow passage in a pressing manner, rolling and welding based on a plastic film; a two-step process including pipe blank base material manufacturing and drip tape molding is realized; the reliability and thin-wall property of molding of the drip tape are improved; the product quality is improved, and the product cost is effectively lowered as well.

Description

technical field [0001] The invention relates to an agricultural drip irrigation belt production equipment, in particular to a drip irrigation belt production equipment and a production process using a plastic film belt as a tube blank base material. Background technique [0002] Drip irrigation is an advanced agricultural irrigation method that supplies water through drip tapes placed at the roots of crops. Many small flow channels are set on the drip irrigation belt, which can change the pressure water flow into small flow water droplets or trickles, and then overflow from the water outlet to slowly moisten the rhizosphere soil of the crops. [0003] Drip irrigation belts are mainly divided into single-wing labyrinth drip irrigation belts and cylindrical drip irrigation belts with inner strips. The single-wing labyrinth drip irrigation belt is made of thin-walled tubes by blow molding, and various shapes of decompression channels (ie, water pressure reducers) are heat-bond...

AI Technical Summary

Problems solved by technology

However, the extrusion internal bonding molding method also has high requirements on the cleanliness of the production raw materials, and its single-machine extrusion volume is small. Due to the fast drafting speed of the production line, the speed and processing of the subsequent bonding dripper and punching mechanism The precision requirements are very high, the equipment cost is the highest in the drip irrigation belt production line, and the equipment maintenance cost is high; in this production method, the molding of the emitter needs to be matched with injection molding and calendering equipment for production

Both of the above two processes have certain limitations in production conditions in actual molding, which is not conducive to the large-scale production of products, and neither of them can carry out high-speed and stable production under the tube wall thickness below 0.15mm, and cannot meet the requirements of thin-walled and high-stretch products. direction of strength

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