CN-122007044-A - Fruit sorting system and method

CN122007044ACN 122007044 ACN122007044 ACN 122007044ACN-122007044-A

Abstract

The invention discloses a fruit sorting system and a fruit sorting method, and relates to the technical field of product sorting. The fruit sorting system comprises a feeding conveying mechanism, a spin conveying mechanism, a visual acquisition assembly, a sorting executing mechanism and a control assembly, wherein the feeding conveying mechanism is used for conveying fruits, the spin conveying mechanism drives the fruits to rotate in conveying, the visual acquisition assembly acquires surface images of the fruits, the sorting executing mechanism receives the fruits from the spin conveying mechanism and sorts the fruits, and the control assembly is at least electrically connected with the visual acquisition assembly and the sorting executing mechanism and is used for controlling the sorting executing mechanism to sort. Based on the technical scheme disclosed by the invention, automatic sorting can be realized on fruits, the size grade and the surface defects of the fruits can be identified, the workload of manual participation is reduced, the sorting efficiency can be improved, the occurrence of missing sorting can be effectively avoided, and the sorting effect is greatly improved.

Inventors

WU XUN
ZHANG ZEJIAN
QIU GONGZHE
YAN FANG
YU JIANQUN
XU YANG

Assignees

湖北物资流通技术研究所(湖北物资流通生产力促进中心)

Dates

Publication Date: 20260512
Application Date: 20260310

Claims (10)

1. A fruit sorting system, comprising: the feeding conveying mechanism is used for conveying fruits; The self-rotating conveying mechanism is arranged on one side of the feeding conveying mechanism and is configured to receive fruits from the feeding conveying mechanism and drive the fruits to rotate in conveying; a vision acquisition assembly disposed on one side of the spin transfer mechanism and configured to acquire a surface image of the fruit on the spin transfer mechanism; A sorting actuator disposed on one side of the spin conveyor configured to receive fruit from the spin conveyor and sort the fruit, and And the control assembly is at least electrically connected with the vision acquisition assembly and the sorting executing mechanism and is configured to control the sorting executing mechanism to carry out sorting operation according to the image information acquired by the vision acquisition assembly.
2. The fruit sorting system of claim 1, wherein the spin transfer mechanism comprises: A frame; The carrier roller assembly is arranged on the frame and comprises a first carrier roller and a second carrier roller which are arranged at intervals, wherein the first carrier roller and the second carrier roller are configured to bear fruits together and drive the fruits to move along the axial direction, and The driving assembly is respectively connected with the first carrier roller and the second carrier roller in a transmission way and is configured to drive the first carrier roller and the second carrier roller to rotate at different linear speeds, so that the fruit rotates while moving along the axial direction.
3. The fruit sorting system of claim 2, wherein the drive assembly comprises: a driving member; a first transmission unit connecting the driving member and the first carrier roller and configured to realize transmission between the driving member and the first carrier roller, and The second transmission unit is connected with the driving piece and the second carrier roller and is configured to realize transmission between the driving piece and the second carrier roller; The differential speed adjusting device is connected on the second transmission unit in series, and the differential speed adjusting device enables the rotating speed of the second carrier roller to be different from that of the first carrier roller.
4. The fruit sorting system of claim 2, wherein the first and second rollers are reducing rollers with diameters decreasing in a fruit conveying direction, the first and second rollers being arranged in parallel and configured with adjustable spacing on the frame.
5. The fruit sorting system according to claim 2, wherein the surface of the first carrier roller and/or the second carrier roller is/are coated with a flexible buffer layer, the flexible buffer layer is of an air bag-silica gel composite structure, the surface of the air bag-silica gel composite structure is provided with micropores, and the surface of the air bag-silica gel composite structure is also provided with a texture structure for increasing friction force.
6. The fruit sorting system of claim 1, wherein the spin transfer mechanism further comprises: a first rolling brush mechanism arranged at the inlet position of the spin conveyor mechanism and configured to dial fruits from the feeding conveyor mechanism into the working area of the spin conveyor mechanism, and/or And the second rolling brush mechanism is arranged at the outlet position of the spin conveying mechanism and is configured to pull fruits away from the spin conveying mechanism and send the fruits into the sorting executing mechanism.
7. The fruit sorting system of claim 1, wherein the sorting actuator comprises: The bearing support is provided with a bearing support, a plurality of detection stations which are distributed at intervals along the fruit conveying direction are arranged on the fruit conveying machine; The sorting hoppers are sequentially and movably arranged on the bearing bracket along the fruit conveying direction and are configured to sequentially receive fruits from the spin conveying mechanism; a sorting drive assembly disposed on the carrier and in driving connection with the plurality of sorting hoppers and configured to drive the plurality of sorting hoppers to circulate along the fruit conveying direction, and The pushing execution pieces are respectively arranged at the detection stations and are configured to move fruits on the corresponding stations to the corresponding collecting areas according to the control instructions.
8. The fruit sorting system of claim 7, wherein the plurality of inspection stations comprises: a flaw detection station for removing bad fruits with the corresponding pushing execution piece, and The size classification station comprises at least two of a big fruit station, a middle fruit station and a small fruit station and is used for sorting fruits with different sizes to different areas in cooperation with the pushing executive component.
9. The fruit sorting system of claim 2, wherein the control assembly is configured to perform the following speed constraint logic: Controlling the surface linear velocity V Roller of the spin conveyor to meet the requirement of V Front part ≤V Roller ≤V Rear part (S) , wherein V Front part is the conveying velocity of the tail end of the feeding conveyor and V Rear part (S) is the conveying velocity of the inlet position of the sorting actuator, and And controlling differential parameters of the carrier roller assembly, so that the number of spin turns N is more than or equal to 1 and the axial displacement DeltaX of the fruit is less than or equal to L in the time of passing through the visual field length L of the visual acquisition assembly.
10. Fruit sorting method, applied to a fruit sorting system according to any of claims 1-9, comprising the steps of: S1, conveying fruits into a spin conveying mechanism through a feeding conveying mechanism; s2, driving the spin conveying mechanism to enable the fruits to spin while moving towards the sorting executing mechanism; s3, acquiring image information in the fruit movement process by utilizing a vision acquisition assembly; s4, identifying the surface quality and the size grade of the fruit based on the image information; s5, controlling a sorting executing mechanism to sort the fruits to different areas according to the identification result.

Description

Fruit sorting system and method Technical Field The invention relates to the technical field of product sorting, in particular to a fruit sorting system and method. Background At present, most of conventional fruit and vegetable classification still stays in the manual classification stage, so that not only is great labor force needed, but also the classification standard is different due to the difference of the technology and experience of the labor force. Some fruit sorters exist in the related art, which are mainly classified according to the size, weight and the like of fruits, but the related sorters cannot identify fruits and vegetables with surface quality problems (such as surface defects or abnormal shapes), and still need to manually participate in and identify the fruits and vegetables and perform manual sorting, so that sorting efficiency is affected, and missed sorting is easy to occur, so that improvement is needed. Disclosure of Invention The invention aims to overcome the technical defects, and provides a fruit sorting system and method, which solve the technical problems that a sorting machine in the prior art cannot identify fruits with surface quality problems, and the sorting efficiency is low and the sorting is easy to miss because the fruits are required to be manually sorted. In order to achieve the technical purpose, the invention adopts the following technical scheme: in a first aspect, the present invention provides a fruit sorting system comprising: the feeding conveying mechanism is used for conveying fruits; The self-rotating conveying mechanism is arranged on one side of the feeding conveying mechanism and is configured to receive fruits from the feeding conveying mechanism and drive the fruits to rotate in conveying; a vision acquisition assembly disposed on one side of the spin transfer mechanism and configured to acquire a surface image of the fruit on the spin transfer mechanism; A sorting actuator disposed on one side of the spin conveyor configured to receive fruit from the spin conveyor and sort the fruit, and And the control assembly is at least electrically connected with the vision acquisition assembly and the sorting executing mechanism and is configured to control the sorting executing mechanism to carry out sorting operation according to the image information acquired by the vision acquisition assembly. In some embodiments, the spin transfer mechanism comprises: A frame; The carrier roller assembly is arranged on the frame and comprises a first carrier roller and a second carrier roller which are arranged at intervals, wherein the first carrier roller and the second carrier roller are configured to bear fruits together and drive the fruits to move along the axial direction, and The driving assembly is respectively connected with the first carrier roller and the second carrier roller in a transmission way and is configured to drive the first carrier roller and the second carrier roller to rotate at different linear speeds, so that the fruit rotates while moving along the axial direction. In some embodiments, the drive assembly comprises: a driving member; a first transmission unit connecting the driving member and the first carrier roller and configured to realize transmission between the driving member and the first carrier roller, and The second transmission unit is connected with the driving piece and the second carrier roller and is configured to realize transmission between the driving piece and the second carrier roller; The differential speed adjusting device is connected on the second transmission unit in series, and the differential speed adjusting device enables the rotating speed of the second carrier roller to be different from that of the first carrier roller. In some embodiments, the first carrier roller and the second carrier roller are reducing roller bodies with diameters decreasing along the fruit conveying direction, and are arranged in parallel and are configured with adjustable spacing on the frame. In some embodiments, the surface of the first idler roller and/or the second idler roller is coated with a flexible buffer layer, the flexible buffer layer is of an air bag-silica gel composite structure, micropores are formed in the surface of the air bag-silica gel composite structure, and a texture structure for increasing friction force is further formed in the surface of the air bag-silica gel composite structure. In some embodiments, the spin transfer mechanism further comprises: a first rolling brush mechanism arranged at the inlet position of the spin conveyor mechanism and configured to dial fruits from the feeding conveyor mechanism into the working area of the spin conveyor mechanism, and/or And the second rolling brush mechanism is arranged at the outlet position of the spin conveying mechanism and is configured to pull fruits away from the spin conveying mechanism and send the fruits into the sorting executing mechanism. In some embodim