JPH0672540A - Crop classifying device - Google Patents

Abstract

PURPOSE:To smoothly lift up crops to a working bench without damaging the crops by gradually delivering the crops to a conveyor belt by way of catching the crops sliding down from a guide chute once by a receiving plate. CONSTITUTION:A crop A classified in weight ranks separately is sequentially slided down by a guide chute for each rank, caught by a receiving plate 6 provided on the end edge of each of the guide chutes and placed on a conveyor belt 19 of a lifting conveyor 7. Thereafter, the crop A stands by in the state of being held by the receiving plate 6 so as not to fall off from the conveyor belt 19, and as a projection 18 of the moving conveyor belt 19 makes contact with the lower surface of the receiving plate 6 and pushes up the receiving plate 6, the crop A is released from the head end of the receiving plate 6 and caught by the projection 18 of the conveyor belt 19, and in cooperation with revolution of the conveyor belt 19, it is transported to a working bench above.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to, for example, radish, carrot,
The present invention relates to a crop sorting device that automatically weighs and sorts crops such as long vegetables.

[0002]

2. Description of the Related Art Conventionally, as such a crop sorting apparatus, as disclosed in Japanese Patent Application Laid-Open No. 4-122476, the weight of each crop is measured while being transported, and the crops are arranged in parallel along the transportation route. It is known that crops are dropped and collected into a plurality of collection sites via guide chutes according to weight ranks.

[0003]

The crops sorted and collected according to the weight rank as described above are packed and shipped manually, but conventionally, the collection containers arranged on the floor surface of the collection site are used. Since the workbench was manually lifted, it was necessary to replace the full collection container with an empty collection container each time the collection container became full, and to lift the full collection container to the workbench. Since the labor is great and the work efficiency is likely to decrease, improvement in this respect is desired. In order to meet such demands, it is conceivable to deploy a transport device that lifts the harvested crops from the low-level harvesting site to the high-level workbench, but since the transport target is a easily vulnerable crop. , It is necessary to consider this point. The present invention has been made in view of such a point, and an object of the present invention is to enable a crop collected at a low position via a guide chute to be smoothly and damage-free transported to a workbench.

[0004]

The characteristic constitution of the present invention for achieving the above-mentioned object is to convey crops fed in a tandem manner while arranging them in parallel along a conveying route based on the measurement result of the measuring means. In a crop sorting device configured to selectively slid and collect crops through a guide chute at a plurality of collection sites arranged, a vertical movement is performed with the upper part as a fulcrum at the lower end side of the guide chute. A free support plate is pivotally installed, and below this support plate, a conveyor belt with protrusions that continuously conveys the crop supplied from the guide chute through the support plate to the upper work table is rotatably wound. The above lifting conveyor is provided, and the free end of the receiving plate is projected into the movement locus of the protrusion so that the receiving plate swings up and down as it abuts against the protrusion of the conveyor belt.

[0005]

[Advantage] According to the above configuration, the crops sorted by weight rank are sequentially slid from the guide chutes for each rank,
It is received by a receiving plate provided at the end of each guide chute and placed on the conveyor belt of the lifting conveyor. Then, the crops placed on the conveyor belt stand by in a state of being received by the receiving plate so as not to fall off the conveying belt, and the protrusion of the moving conveyor belt contacts the lower surface of the receiving plate to receive the receiving plate. By pushing up, the crops are detached from the tip of the receiving plate, received by the protrusions of the conveyor belt, and conveyed to the upper workbench as the conveyor belt rotates.

[0006]

As is apparent from the above description, according to the present invention, the crop slipped from the guide chute is not directly lifted and transferred to the conveyor, but the crop is once received by the receiving plate, and the receiving plate conveys it. By swinging upward with the protrusion of the belt, the crops are gradually transferred to the protrusion,
The crops can be smoothly transported to the workbench without being damaged, and the subsequent packing work can be efficiently performed.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 and FIG. 2 show a crop selection device for automatically weighing and selecting crops such as carrots, radish, and other long vegetables. This crop selection device includes a storage hopper 1 for storing the crop A, a carry-out conveyor 3 with a locking projection 2 for locking and carrying the crop A from the bottom of the storage hopper 1, and a carry-out conveyor 3.
Each of the crops A sent out by the sequential feeding and unloading device 4 for carrying out the crops A one by one in a predetermined posture, and the weighing and sorting device 5 for automatically weighing and sorting the crops A sent by the sequential feeding and unloading device 4 according to weight ranks. A guide chute 8 for supplying the crops A sorted by weight rank to the lifting conveyor 7 via the receiving plate 6, and a work table for packaging and packing work so that the crops A conveyed by the lifting conveyor 7 can be shipped. 9 and the like. The weighing and sorting device 5
As shown in FIGS. 3 and 4, the saucer 11 for placing a crop is arranged at a predetermined pitch over the pair of left and right endless rotation chains 10.
The mounting engaging portion 1 is erected rotatably around the horizontal axis at a position knitted on one side in the conveying direction, and is formed at a position opposite to the erected portion
2 is mounted and locked on a guide rail 13 arranged along the endless rotating chain 10 to maintain a predetermined mounting position. Then, an appropriate portion in the middle of the guide rail 13 is configured as a movable rail 13a, and the movable rail 13a is formed.
a is attached to one side of the balance arm 14,
A weight 15 adapted to the weight rank is attached to the other side of the, and the weight of the transported crop A placed on the saucer 11 is
When the weight is heavier than this weight, the movable rail 13a is lowered downward, and the tray 10 is rotated downward so that the placed crop A is dropped and supplied to the guide chute 8 below.
Further, the light crop A that has not fallen on any of the guide chutes 8 is configured to be collected in the storage tool 17 via the storage guide chute 16 as shown in FIG.

Below the terminal end of the guide chute 8, the receiving plate 6 having a cushioning material such as rubber adhered to the upper surface thereof is pivotally mounted so as to be vertically swingable about the upper part as a fulcrum. The lifting conveyor 7 is provided below the conveyor belt 19 having a large number of protrusions 18 provided at a constant pitch in the circumferential direction and rotatably wound around a conveyor belt 19. Then, the free end of the receiving plate 6 is projected into the transfer locus of the protrusion 18 so that the receiving plate 6 swings up and down as the protrusion 18 moves.
Since five guide chutes 8 are provided in the embodiment, the lifting conveyor 7 is provided with two wide conveyor belts 19 corresponding to two adjacent guide chutes 8 and a small width corresponding to one guide chute 8. The single conveyor belt 19 is arranged side by side and is driven by a single motor 20. Further, the protrusion 18 of the wide conveyor belt 19 is divided into left and right parts, and a fixed partition plate 21 is provided in the middle of the protrusions 18.
The crop A lifted and conveyed by the same conveyor belt 19 is prevented from being confused.

The crop sorting apparatus of the present invention is configured as described above, and the crops A sorted by the weight sorting apparatus 5 according to their weight ranks are sequentially passed through the receiving plates 6 from the guide chutes 8 arranged in parallel. It is fed down onto the conveyor belt 18. Then, the crop A placed on the conveyor belt stands by in a state where it is prevented from falling off the conveyor belt 19 by the receiving plate 6, and as shown in FIGS. 5 (a), 5 (b) and 5 (c). Then, the moving projection 18 comes into contact with the lower surface of the receiving plate 6 and pushes the receiving plate 6 upward, whereby the crop A is gradually detached from the receiving plate 6 and handed over to the projection 18, Being transported to the workbench 9 of.

The present invention can also be implemented in the following modes. (1) The lifting conveyor 7 is equipped with a narrow conveyor belt 19 for each of the guide chutes 8 at each collection site.
May be configured. (2) The receiving plate 6 as a whole may be made of an elastic material such as rubber or synthetic resin so that the crop A from the guide chute 8 is received by the bending of the receiving plate 6 itself with less impact.

Further, although reference numerals are given in the claims for convenience of comparison with the drawings, the present invention is not limited to the configurations of the accompanying drawings by the entry.

[Brief description of drawings]

FIG. 1 is a schematic side view showing the entire crop sorting apparatus.

FIG. 2 is a plan view showing a part of the crop sorting device.

[Figure 3] Vertical rear view of the weighing and sorting device

FIG. 4 is a plan view showing a part of a weighing and sorting device.

FIG. 5 is a rear view showing the operation of transferring the crop from the receiving plate to the lifting conveyor.

[Explanation of symbols]

 6 Support Plate 7 Lifting Conveyor 8 Guide Chute 9 Worktable 18 Projection 19 Conveyor Belt A Crop

Claims (1)

[Claims] 1. A guide chute (8) is provided at each of a plurality of collection sites arranged in parallel along a transportation route based on a measurement result of a measuring means while transporting the crops (A) fed in a row. A crop sorting device configured to selectively slid and collect crops via a guide chute (8)
A support plate (6) swingable up and down with an upper part as a fulcrum is pivotally provided below the terminal end of the, and is fed from the guide chute (8) through the support plate (6) below the support plate (6). A lifting conveyor (7) is rotatably wound around a conveyor belt (19) having protrusions (18) for continuously conveying the crop (A) to the upper workbench (9). The free end of the receiving plate (6) is projected into the movement locus of the projection (18) so that the plate (6) swings up and down in contact with the projection (18) of the conveyor belt (19). A crop selection device.