All-in-one machine for straw crushing and returning to the field and residual film recycling

Abstract

The invention discloses an integrated machine for recycling straw crushing and returning to the field and residual film, which integrates straw crushing and returning to the field and recycling of residual film. The unique rotary knife (19) and fan blade (14) are co-located, which can not only crush the straw, The crushed straw can also be blown to both sides to expose the plastic film, and then the plastic film can be picked up by the film turning knife (22) at the back, and then thrown to the rear after being wound, cut and turned by the film wrapping roller (23). It is then sucked into the residual film collection box (5) through the flat film suction port (24) for recycling. Compared with the prior art, the present invention can not only efficiently crush and return the straw to the field during operation, but also can be used in plastic film Recycling in time when it is not completely broken prevents the plastic film from being buried in the soil after it is completely broken, which not only greatly improves the recycling rate of the plastic film, is more environmentally friendly, but also reduces the process, improves work efficiency, and saves manpower and material resources.

Description

technical field [0001] The invention belongs to the field of agricultural machinery, in particular to an all-in-one machine for crushing straw and returning to the field and recovering residual film. Background technique [0002] Mulch film has been widely used in agricultural production. Mulch film can not only improve ground temperature, water conservation, soil conservation, fertilizer conservation and improve fertilizer efficiency, but also kill weeds and prevent pests. Long-term effects, especially in northern China, low temperature, little rain, drought and poor ridge, short frost-free period and other factors that limit agricultural development, have strong pertinence and applicability, but with the increase in the application amount and service life of plastic film, A large number of mulch film fragments will remain in the soil, which is difficult to recycle, causing white pollution, resulting in changes in the physical structure of the soil, hindering the downward t...

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Problems solved by technology

[0002] Mulch film has been widely used in agricultural production. Mulch film can not only improve ground temperature, water conservation, soil conservation, fertilizer conservation and improve fertilizer efficiency, but also kill weeds and prevent pests. Long-term effects, especially in northern China, low temperature, little rain, drought and poor ridge, short frost-free period and other factors that limit agricultural development, have strong pertinence and applicability, but with the increase in the application amount and service life of plastic film, A large number of mulch film fragments will remain in the soil, which is difficult to recycle, causing white pollution, resulting in changes in the physical structure of the soil, hindering the downward transportation of soil moisture and nutrients, reducing soil gaps and permeability, which is not conducive to soil air. Circulation and irrigation will eventually lead to the decline of land quality, which will affect the full use of water and nutrients by crops, resulting in malnutrition of crops and decreased yield. At present, how to recycle the plastic film left in the soil, reduce white pollution, and protect the environment has become a As an urgent problem, the Chinese invention patent CN2172943Y discloses a "air-suction plastic residual film recycling machine". , the machine can only work after soil preparation and before planting. Before soil preparation, a large number of straws above the ground covered the plastic film and could not be recycled. After soil preparation, a large number of films on the ground surface were severely damaged and buried in the soil. It is difficult to be recycled, resulting in an extremely low recovery rate of residual film. Chinese invention patent CN202310495U discloses a "multifunctional stem and leaf plastic film recycling machine". The mulch scraped up by the stems, leaves and blades are sent to the recycling cage, which is convenient for packaging and transportation. However, because the blades of this recycling machine rotate perpendicular to the ground, not only the efficiency of crushing the stems and leaves is extremely low, but the blades are also easy to pick up the mulch. The mulch is wrapped around the blade, causing the machine to stop, and the recovered mulch and stems and leaves are also difficult to separate, which cannot achieve a good effect of recycling the mulch

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