Space seedling taking and flexible variable-distance seedling throwing device and pot seedling transplanter

Abstract

The invention provides a space seedling taking and flexible variable-distance seedling throwing device and a pot seedling transplanter. The device comprises a gantry type turnover device, a variable-distance device, a plurality of seedling taking claws and a control system; the seedling taking claws complete the seedling taking action when the gantry type turnover device operates to the lowest point, and the seedling taking claws start to execute the seedling throwing action when the gantry type turnover device operates to the highest point; the variable-distance device can adjust space between the adjacent seedling taking claws, space seedling taking is performed when the seedling taking claws are retracted and combined together, and variable-distance seedling throwing is performed when the seedling taking claws are scattered. The variable-distance device has lighter weight, produces small inertia force in a moving process and can reduce vibration caused by impact; flexible steel wireropes are adopted, and shock absorption mechanisms are added at the two moving tail ends of a variable-distance cylinder respectively, so that the flexible variable-distance and vibration reduction effects are realized. Besides, the space of the seedling taking claws during combining and scattering can be adjusted by the variable-distance device, and the device can be suitable for plug trays of different specifications and meet different line spacing requirements, is simple in structure and stable to operate and improves seedling taking and throwing efficiency.

Description

technical field [0001] The invention belongs to the field of automatic transplanting in facility agriculture, and in particular relates to a flexible variable-distance seedling throwing device for taking seedlings in gaps and a pot seedling transplanting machine. Background technique [0002] At present, most of the common pot seedling transplanting machines use a rotating cup-type seedling separation mechanism, so the seedling throwing process of the seedling picking mechanism is a dynamic seedling throwing process, which is prone to hanging seedlings. In order to realize static seedling throwing, it is necessary to use a linear reciprocating seedling separation mechanism. The seedling cup spacing of the seedling separating mechanism needs to be determined according to the position of the planting mechanism, and the spacing of the planting mechanism is the row spacing of transplanting, so the seedling cup spacing of the seedling separating mechanism is greater than the spac...

AI Technical Summary

Problems solved by technology

There is a seedling picking mechanism that uses a rhombus mechanism to achieve variable pitch and is used in pot seedling transplanting machines. However, due to the heavy weight of the rhombus mechanism, the seedling picking mechanism has serious vibration problems during movement.

Moreover, the distance between the seedling claws cannot be adjusted by using the seedling picking mechanism with a diamond-shaped mechanism to change the distance, so it cannot be applied to different tray specifications and different transplanting row spacing requirements.

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