Design and test of key mechanism of beveling pin-grafting machine

Mechanized grafting can reduce labor intensity, improve production efficiency and ensure product quality. The majority of researchers choose traditional grafting methods for their grafting machines, such as cut-in grafting, joining grafting or split grafting. However, the conventional methods either...

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Main Authors: LI Xing, LI Jianping, CHEN Zhengbei, ZHU Pan’an, QIU Jingtu
Format: Article
Language:English
Published: Zhejiang University Press 2013-11-01
Series:浙江大学学报. 农业与生命科学版
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Online Access:https://www.academax.com/doi/10.3785/j.issn.1008-9209.2012.11.302
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author LI Xing
LI Jianping
CHEN Zhengbei
ZHU Pan’an
QIU Jingtu
author_facet LI Xing
LI Jianping
CHEN Zhengbei
ZHU Pan’an
QIU Jingtu
author_sort LI Xing
collection DOAJ
description Mechanized grafting can reduce labor intensity, improve production efficiency and ensure product quality. The majority of researchers choose traditional grafting methods for their grafting machines, such as cut-in grafting, joining grafting or split grafting. However, the conventional methods either require multiple steps, quality seedlings, or need external clamping to fix the grafted seedlings, which restrict the grafting speed.In this study, an autografting machine aiming at the Solanaceae was designed based on pin-grafting method, which could connect the rootstock and scion with a pin. This method can overcome the limitations mentioned above, because of acting on the aperture disk seedlings directly.The grafting machine was composed of two processing mechanisms: rootstock morphology controlling and scion cutting. The former included three parts: mechanism of location in aperture disk, mechanism of straightening rootstocks and mechanism of clamping rootstocks. The first one, which was designed to control the position of aperture disk during the grafting, was a micro-positioner that could jog the aperture forward to the next line of seedlings after completing the grafting task of the current line. The second and third parts worked together to ensure the rootstock in the right posture and clamped six seedlings in each row of the disk during a period, in which the second one was used to correct the rootstocks in vertical direction with two mechanical arms, while the third one played a similar role in transversal direction. These parts were effective, especially when dealing with the untidy growth of tender seedlings. The latter, i.e., the mechanism of rotary cutting was driven by a rotating cylinder. This mechanism had six tool holders of which the blades were installed on the top. It made the incision of scion smooth and flush at a high speed with a determined cutting radius. The results of the performance test indicated that the proposed grafting machine was able to accomplish the clamping task with 97.4% success rate and the cutting task with 94.4% success rate. The prototype machine can work steadily and reliably, which suggests its potential for practical application.
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spelling doaj-art-c0af073863114f4083f9eaa85bbc4a422025-08-20T03:16:06ZengZhejiang University Press浙江大学学报. 农业与生命科学版1008-92092097-51552013-11-013966366710.3785/j.issn.1008-9209.2012.11.30210089209Design and test of key mechanism of beveling pin-grafting machineLI XingLI JianpingCHEN ZhengbeiZHU Pan’anQIU JingtuMechanized grafting can reduce labor intensity, improve production efficiency and ensure product quality. The majority of researchers choose traditional grafting methods for their grafting machines, such as cut-in grafting, joining grafting or split grafting. However, the conventional methods either require multiple steps, quality seedlings, or need external clamping to fix the grafted seedlings, which restrict the grafting speed.In this study, an autografting machine aiming at the Solanaceae was designed based on pin-grafting method, which could connect the rootstock and scion with a pin. This method can overcome the limitations mentioned above, because of acting on the aperture disk seedlings directly.The grafting machine was composed of two processing mechanisms: rootstock morphology controlling and scion cutting. The former included three parts: mechanism of location in aperture disk, mechanism of straightening rootstocks and mechanism of clamping rootstocks. The first one, which was designed to control the position of aperture disk during the grafting, was a micro-positioner that could jog the aperture forward to the next line of seedlings after completing the grafting task of the current line. The second and third parts worked together to ensure the rootstock in the right posture and clamped six seedlings in each row of the disk during a period, in which the second one was used to correct the rootstocks in vertical direction with two mechanical arms, while the third one played a similar role in transversal direction. These parts were effective, especially when dealing with the untidy growth of tender seedlings. The latter, i.e., the mechanism of rotary cutting was driven by a rotating cylinder. This mechanism had six tool holders of which the blades were installed on the top. It made the incision of scion smooth and flush at a high speed with a determined cutting radius. The results of the performance test indicated that the proposed grafting machine was able to accomplish the clamping task with 97.4% success rate and the cutting task with 94.4% success rate. The prototype machine can work steadily and reliably, which suggests its potential for practical application.https://www.academax.com/doi/10.3785/j.issn.1008-9209.2012.11.302grafting machinepin-grafting methodlocating aperture diskclamping rootstocks
spellingShingle LI Xing
LI Jianping
CHEN Zhengbei
ZHU Pan’an
QIU Jingtu
Design and test of key mechanism of beveling pin-grafting machine
浙江大学学报. 农业与生命科学版
grafting machine
pin-grafting method
locating aperture disk
clamping rootstocks
title Design and test of key mechanism of beveling pin-grafting machine
title_full Design and test of key mechanism of beveling pin-grafting machine
title_fullStr Design and test of key mechanism of beveling pin-grafting machine
title_full_unstemmed Design and test of key mechanism of beveling pin-grafting machine
title_short Design and test of key mechanism of beveling pin-grafting machine
title_sort design and test of key mechanism of beveling pin grafting machine
topic grafting machine
pin-grafting method
locating aperture disk
clamping rootstocks
url https://www.academax.com/doi/10.3785/j.issn.1008-9209.2012.11.302
work_keys_str_mv AT lixing designandtestofkeymechanismofbevelingpingraftingmachine
AT lijianping designandtestofkeymechanismofbevelingpingraftingmachine
AT chenzhengbei designandtestofkeymechanismofbevelingpingraftingmachine
AT zhupanan designandtestofkeymechanismofbevelingpingraftingmachine
AT qiujingtu designandtestofkeymechanismofbevelingpingraftingmachine