Leaf vegetable quality grading plant
Technical Field
The invention relates to the field of leaf vegetable classification, in particular to a leaf vegetable quality classification device.
Background
Leaf vegetables generally refer to green leaf vegetables such as spinach, lettuce and the like, and the vegetables contain abundant carotene, vitamin C, vitamin B2 and various minerals, so that the leaf vegetables have great benefits on human bodies; normally, the leaf vegetables are ripe and harvested, and then wilting, yellow leaves, rotting and other abnormal leaves are slowly generated, so that the shelf life of the leaf vegetables is shortened, and the commodity value is affected. As people increasingly seek food quality, this places higher demands on leaf grading devices. When the existing leaf vegetables are classified, the picking personnel are relied on to screen according to the color, shape and size of the vegetable leaves, and the manual classification can be influenced by personal sense, so that the time and the labor are wasted, the efficiency is low, and the labor cost is high; in addition, the existing leaf vegetable grading device cannot completely detect the appearance quality of the leaf vegetables in an all-round manner, so that the grading error rate of the leaf vegetable quality is increased.
Disclosure of Invention
The invention aims to provide a leaf vegetable quality grading device which can finish all-round detection and grading of leaf vegetable appearance.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a leaf dish quality grading plant, including vibrating device, first conveyer belt and second conveyer belt, vibrating device includes the vibrating box and installs the branch leaf board at vibrating box top, divide the leaf board slope to set up, the bottom of branch leaf board is docked with the input of first conveyer belt, the sawtooth groove that multistage is parallel to each other is seted up to the upper surface of branch leaf board, the length direction in sawtooth groove is parallel with the incline direction of branch leaf board, the cross-section shape of sawtooth groove is the V-arrangement, the degree of depth of sawtooth groove is 5-6mm, the notch width of sawtooth groove is 4-6mm, the interval of two sections adjacent sawtooth groove is apart from 5-8mm, the vibrating box can drive the branch leaf board along the direction mutually perpendicular with the length direction of multistage sawtooth groove, in order to divide leaf board to drop to the input of first conveyer belt after the exhibition of leaf through vibration;
the second conveyor belt is arranged on one side of the first conveyor belt, the first conveyor belt and the second conveyor belt are parallel to each other, the conveying directions of the first conveyor belt and the second conveyor belt are opposite, the output end of the first conveyor belt is in butt joint with the top side of the turnover device, the bottom side of the turnover device is in butt joint with the input end of the transition conveyor belt, the output end of the transition conveyor belt is in butt joint with the input end of the rising conveyor belt, and the output end of the rising conveyor belt is in butt joint with the input end of the second conveyor belt;
the turnover device comprises a frame body, wherein an arc-shaped plate, an upper half-arc conveyor belt and a lower half-arc conveyor belt are arranged on the frame body, the inner cambered surface of the arc-shaped plate faces the first conveyor belt, the top end of the inner cambered surface of the arc-shaped plate is positioned above the output end of the first conveyor belt, the bottom end of the inner cambered surface of the arc-shaped plate is positioned below the input end of the transition conveyor belt, the upper half-arc conveyor belt is positioned on one side of the inner cambered surface of the arc-shaped plate, facing the first conveyor belt, and the top end of the upper half-arc conveyor belt is positioned below the output end of the first conveyor belt so that vegetable leaves can move from the output end of the first conveyor belt to the position between the arc-shaped plate and the upper half-arc conveyor belt; the lower half-arc conveyor belt is positioned on one side of the inner cambered surface of the arc-shaped plate, which faces the transition conveyor belt, and the bottom end of the lower half-arc conveyor belt is positioned above the input end of the transition conveyor belt, so that the vegetable leaves can move from between the arc-shaped plate and the lower half-arc conveyor belt to the input end of the transition conveyor belt; the bottom end of the upper half-arc conveyor belt and the top end of the lower half-arc conveyor belt are both close to the middle part of the inner cambered surface of the arc plate, the upper half-arc conveyor belt and the lower half-arc conveyor belt are matched to form a V-shaped conveyor structure, the upward surface of the vegetable leaves is defined as the front surface when the vegetable leaves are conveyed on the first conveyor belt, the downward surface of the vegetable leaves is defined as the back surface when the vegetable leaves are conveyed on the first conveyor belt, and the vegetable leaves can be made to perform overturning motion along the inner cambered surface of the arc plate through the V-shaped conveyor structure so that the back surfaces of the vegetable leaves move upwards to the transition conveyor belt, the rising conveyor belt and the second conveyor belt in sequence;
the first conveyor belt and the second conveyor belt are matched and provided with an image acquisition device, the image acquisition device comprises a box body which is simultaneously covered above the first conveyor belt and the second conveyor belt, a first camera, a first sensor, a second camera and a second sensor are arranged in the box body, the first sensor can detect vegetable leaves moving to the interior of the box body on the first conveyor belt, the first camera can acquire images on the front surfaces of the vegetable leaves moving to the interior of the box body on the first conveyor belt, the second sensor can detect vegetable leaves moving to the interior of the box body on the second conveyor belt, and the second camera can acquire images on the back surfaces of the vegetable leaves moving to the interior of the box body on the second conveyor belt;
a first blowing device and a first grading table are arranged on one side of the first conveyor belt, the first blowing device is positioned between the image acquisition device and the output end of the first conveyor belt, a second blowing device and a second grading table are arranged on one side of the second conveyor belt, and the second blowing device is positioned between the image acquisition device and the output end of the second conveyor belt; the control system can control the first blowing device to blow according to the image acquired by the first camera, so that the first blowing device blows the vegetable leaves sent out from the image acquisition device on the first conveyor belt to the first grading table, and the control system can control the second blowing device to blow according to the image acquired by the second camera, so that the second blowing device blows the vegetable leaves sent out from the image acquisition device on the second conveyor belt to the second grading table.
Preferably, the transition conveyor belt is an S-shaped conveyor belt.
Preferably, the first sensor is mounted on a side wall of the first conveyor belt and the second sensor is mounted on a side wall of the second conveyor belt.
Preferably, a light source board for providing illumination for the first camera and the second camera is further arranged in the box body.
Preferably, the first blowing device and the second blowing device are respectively connected with the air pipe, the blowing direction of the first blowing device is vertical to the conveying direction of the first conveying belt, and the blowing direction of the second blowing device is vertical to the conveying direction of the second conveying belt.
According to the technical scheme, the invention has the beneficial effects that:
compared with the traditional manual classification, the method has the advantages that the steps are simplified and are handed to a machine for operation, and the manual operation only needs to put leaf vegetables into the vegetable feeding device, so that the workload of workers is reduced; according to the invention, the leaf vegetable appearance images are collected and detected and analyzed in a mode of image recognition and sensor matching, and the vegetable leaves with abnormal leaves can be automatically classified by arranging the classifying device after quality detection is finished, so that the intelligent degree is high; according to the invention, the leaf splitting plates are arranged on the vibration device, so that the leaf splitting of the leaf vegetable overlapped staggered leaves can be realized, the leaf splitting of the leaves provides conditions for the image acquisition device to acquire a more complete leaf vegetable imaging surface, and the accuracy of quality grading is improved; according to the invention, the turnover device is used for realizing turnover of the leaf vegetables, changing the imaging surface for the second detection, realizing comprehensive detection of the front and back surfaces of the leaf vegetables, and improving the accuracy of classification.
Drawings
FIG. 1 is a schematic illustration of the present invention;
FIG. 2 is a schematic view of a vibration device;
FIG. 3 is an enlarged view of the bottom end of the splitter vane;
FIG. 4 is a schematic view of a sawtooth slot of a splitter blade;
FIG. 5 is a schematic diagram of an image acquisition device;
FIG. 6 is a schematic diagram of a blower;
fig. 7 is a schematic view of a flipping device.
The marks in the figure: 1. the device comprises a vibrating device, 101, a separating blade, 102, a vibrating box, 2, a first conveyor belt, 3, an image acquisition device, 301, a light source plate, 302, a first camera, 303, a first sensor, 304, a second camera, 305, a second sensor, 4, a first blowing device, 5, a first grading table, 6, a turnover device, 601, a frame body, 602, an arc plate, 603, an upper half-arc conveyor belt, 604, a lower half-arc conveyor belt, 7, a transition conveyor belt, 8, a rising conveyor belt, 9, a second grading table, 10, a second blowing device, 11 and a second conveyor belt.
Detailed Description
Referring to the drawings, the specific embodiments are as follows:
as shown in fig. 1, a leaf vegetable quality grading device comprises a vibrating device 1, a first conveyor belt 2 and a second conveyor belt 11, wherein, as shown in fig. 2 and 3, the vibrating device 1 comprises a vibrating box 102 and a leaf separating plate 101 arranged at the top of the vibrating box 102, the leaf separating plate 101 is obliquely arranged, the bottom end of the leaf separating plate 101 is in butt joint with the input end of the first conveyor belt 2, a plurality of sections of mutually parallel sawtooth grooves are formed in the upper surface of the leaf separating plate 101, and the length direction of each sawtooth groove is parallel to the oblique direction of the leaf separating plate 101.
As shown in fig. 4, the cross-section of the sawtooth groove is V-shaped, the depth of the sawtooth groove is 5-6mm, the width of the sawtooth groove is 4-6mm, the distance between two adjacent sections of sawtooth grooves is 5-8mm, and the vibration box 102 can drive the blade separating plate 101 to reciprocate along the direction perpendicular to the length direction of the sections of sawtooth grooves, so that the blade separating plate 101 can make the vegetable leaves fall to the input end of the first conveyor belt 2 after being unfolded through vibration.
As shown in fig. 1, the second conveyor belt 11 is disposed on one side of the first conveyor belt 2, the first conveyor belt 2 and the second conveyor belt 11 are parallel to each other, and the conveying directions of the first conveyor belt 2 and the second conveyor belt 11 are opposite, the output end of the first conveyor belt 2 is in butt joint with the top side of the turning device 6, the bottom side of the turning device 6 is in butt joint with the input end of the transition conveyor belt 7, the transition conveyor belt 7 is an S-shaped conveyor belt, the output end of the transition conveyor belt 7 is in butt joint with the input end of the rising conveyor belt 8, and the output end of the rising conveyor belt 8 is in butt joint with the input end of the second conveyor belt 11.
As shown in fig. 7, the turning device 6 includes a frame 601, where an arc plate 602, an upper half arc conveyor 603 and a lower half arc conveyor 604 are disposed on the frame 601, an intrados of the arc plate 602 faces the first conveyor 2, a top end of the intrados of the arc plate 602 is located above an output end of the first conveyor 2, a bottom end of the intrados of the arc plate 602 is located below an input end of the transition conveyor 7, the upper half arc conveyor 603 is located on a side of the intrados of the arc plate 602 facing the first conveyor 2, and a top end of the upper half arc conveyor 603 is located below an output end of the first conveyor 2, so that vegetable leaves move from the output end of the first conveyor 2 to a position between the arc plate 602 and the upper half arc conveyor 603; the lower half-arc conveyor 604 is located on the side of the intrados of the arc 602 facing the transition conveyor 7, and the bottom end of the lower half-arc conveyor 604 is located above the input end of the transition conveyor 7, so that the vegetable leaves move from between the arc 602 and the lower half-arc conveyor 604 to the input end of the transition conveyor 7.
The bottom of first half arc conveyer 603 and the top of second half arc conveyer 604 are all close to arc 602's intrados middle part, first half arc conveyer 603 and second half arc conveyer 604 cooperate and form V-arrangement conveying structure, define the dish leaf and be positive when carrying on first conveyer 2, define dish leaf and be reverse when carrying on first conveyer 2 down one side surface, can make the dish leaf carry out upset motion along arc 602's intrados through V-arrangement conveying structure, the reverse side of dish leaf can be moved at first half arc conveyer 603's upper surface, then the front of dish leaf can continue to be moved on arc 602's intrados, and continue to drive the reverse side of dish leaf through second half arc conveyer 604, the dish leaf just can the reverse side upwards move to transition conveyer 7, rising conveyer 8 and second conveyer 11 in proper order, realize the upset.
The cooperation is equipped with image acquisition device 3 on first conveyer belt 2 and the second conveyer belt 11, and image acquisition device 3 includes the box of one and covers simultaneously to establish in first conveyer belt 2 and second conveyer belt 11 top, and the inside of box is equipped with first camera 302, first sensor 303, second camera 304 and second sensor 305, and first sensor 303 installs the lateral wall at first conveyer belt 2, and the lateral wall at second conveyer belt 11 is installed to second sensor 305, and the inside of box still is equipped with the light source board 301 that is used for providing the illumination for first camera 302 and second camera 304.
The first sensor 303 can detect the dish leaf that moves to the box inside on the first conveyer belt 2, and the first camera 302 can carry out image acquisition to the front of the dish leaf that moves to the box inside on the first conveyer belt 2, and the second sensor 305 can detect the dish leaf that moves to the box inside on the second conveyer belt 11, and the second camera 304 can carry out image acquisition to the reverse side of the dish leaf that moves to the box inside on the second conveyer belt 11. In a specific operation, the first sensor 303 and the second sensor 305 transmit detection signals to the control system, and the control system further enables the first camera 302 or the second camera 304 to start shooting.
The first blast apparatus 4 and the first classifying table 5 are installed to one side of the first conveyer belt 2, and the first blast apparatus 4 is located between the output of image acquisition device 3 and first conveyer belt 2, and the second blast apparatus 10 and the second classifying table 9 are installed to one side of the second conveyer belt 11, and the second blast apparatus 10 is located between the output of image acquisition device 3 and second conveyer belt 11, and first blast apparatus 4 and second blast apparatus 10 are connected with the tuber pipe respectively, and the direction of blowing of first blast apparatus 4 is perpendicular with the direction of delivery of first conveyer belt 2, and the direction of blowing of second blast apparatus 10 is perpendicular with the direction of delivery of second conveyer belt 11.
The control system can control the first blowing device 4 to blow according to the image acquired by the first camera 302, so that the first blowing device 4 blows the vegetable leaves sent out from the image acquisition device 3 on the first conveyor belt 2 to the first grading table 5, and all the vegetable leaves which need grading on the front can be sent to the first grading table 5. The control system can control the second blowing device 10 to blow according to the image acquired by the second camera 304, so that the second blowing device 10 blows the vegetable leaves sent out from the image acquisition device 3 on the second conveyor belt 11 to the second classification table 9, and all vegetable leaves with the back surfaces needing classification can be sent to the second classification table 9, thereby realizing omnibearing detection and classification of the leaf vegetable appearance.