JPH08282825A - Conveying device for crop grading device - Google Patents

Abstract

PURPOSE: To convey a long crop reliably one by one to a weighing and grading device by tilting the conveying surface of a conveyor extending upward in the right and left direction as well as in the upper direction and by dropping a upper long crop in the right and the left directions by its own weight. CONSTITUTION: A conveyor 17 extending upward of a sequential conveyor 12 is twisted around a conveyor axis and the conveying surface 17a of the conveyor is tilted in the right and left direction as well as in the upper direction. A twisting angle of the sequential conveyor 12 is the larger in the section nearer to its end. Accordingly even if more than two long crops P are dumped in the long crops conveying space 15 of the sequential conveyor 12 in a state folded in the upper and lower direction from a dumping port 11a of a storage hopper 11, the upper long crops P is slipped by its own weight on the upper surface of the lower long crops P to be dropped in the right and left direction thereof, thereby transferring the long crops P reliably one by one on a receiving plate 13a for receving the crops in a weighing and grading device 13.

Description

Detailed Description of the Invention

[0001]

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

[0002]

2. Description of the Related Art Conventionally, as a crop sorting apparatus provided for the above-mentioned purpose, there is a crop sorting apparatus B having a configuration shown in FIG.

As shown in the figure, the crop sorting apparatus B has a storage hopper 51 for storing long crops P and a storage hopper 51.
From the bottom of the conveyor, a conveyor 53 with a locking projection 52 for locking and transporting the long crop P, and a sequential transport device 54 for sequentially transporting the long crops P sent out from the conveyor 53 in a predetermined posture one by one, and in sequence. A weighing / sorting device 55 is provided for automatically weighing and sorting by weight rank while transporting the long crop P sent from the transport device 54.

Further, as shown in FIG. 8, the progressive feeding device 54 has an upper crop placing surface having a width substantially the same as that of the conveyed crop in an inclined posture in which the lower side of the conveyed crop is positioned downward. A plurality of transfer bodies 61 are arranged in parallel along the crop transfer direction so that the working length becomes shorter toward the lower side in the transfer direction, and each adjacent transfer body 61 is moved up and down in a contradictory manner. .

Further, as shown in FIG. 9, the progressive feeding device 54 is formed such that the conveying width of each of the conveying members 61 is wide at the conveying start end and becomes gradually narrower toward the terminal end. At the terminal end, only one long crop P is placed on the carrier 61.

With this configuration, even when a plurality of long crops P are carried out from the storage hopper 51 in an overlapping manner, the long crops P can be reliably sent to the weighing and sorting unit 55 one by one. .

In FIG. 7, the weighing and sorting device 55 is
A crop mounting tray 63 is erected at a predetermined pitch over a pair of left and right endless rotary chains 62, 62 so as to be rotatable around a horizontal axis at a position biased to one side in the transport direction. This crop placement saucer 63 rotates on any one of a plurality of hoppers 64 arranged below it depending on the weight of the long crop P, and this rotation causes the long crop P to rest on the crop placement saucer 63. From the hopper 64 to the recovery tool 65.
Will be collected in.

[0008]

However, such a progressive feeding device 54 still has the following problems to be solved.

That is, each carrier 61 whose upper crop mounting surface is inclined is moved up and down in a reciprocal manner with respect to the adjacent carrier 61, or the carrier width of each carrier 61 is widened at the carrier start end portion. Then
Even if it is formed such that the width becomes narrower toward the terminal end side, the long crop P that is sequentially fed depends on the size, length and posture of the long crop P that is the transported crop.
However, there were cases where the number was 2 or 0.

An object of the present invention is to provide a conveying device for sorting crops which can solve the above problems.

[0011]

SUMMARY OF THE INVENTION According to the present invention, one end of a progressive feeding conveyer that attaches conveyance protrusions at regular intervals on a conveyance surface and forms a long crop conveyance space between the conveyance protrusions is provided below a charging port of a crop supply unit. In addition to arranging, the other end of the conveyor is extended upward while inclining it at a constant gradient and connected to the sorting device supply part of the weighing and sorting device, and the upward extension part of the conveyor is twisted around the conveyor axis. Alternatively, the present invention relates to a transport device in a crop selection device, which is rotated and tilted not only in an upward direction but also in a horizontal direction.

According to the present invention, a scraping conveyor is disposed below the input port of the crop supply unit, and the end of the scraping conveyor is slanted upward by extending the end while inclining the end at a constant gradient. The starting end of the device is connected, the end of the swing sorting device is connected to the sorting device supply section of the weighing sorting device via the horizontal conveyor, and the swing sorting device is a rectangular box-shaped conveyor storage casing, Contained in the same casing, it is composed of a progressive feeding conveyer that attaches the conveying protrusions on the conveying surface at regular intervals to form a long crop conveying space between the conveying protrusions, and the conveyor storing casing and the progressive conveying conveyer are integrated. Twisting or rotating around the axis, not only inclining the conveying surface of the forward conveying conveyor upward but also in the left-right direction, and on the lower side wall on the terminal side of the conveyor storage casing, The Inherit opening to the beginning of the conveyor is provided, furthermore, it relates to a conveying apparatus in crops sorting apparatus characterized by attaching the swing mechanism to the conveyor housing casing.

[0013]

According to the present invention, even when two or more long crops are vertically stacked in the superposed state in the long crop conveying space from the input port of the crop supply section to the long conveying conveyor, the forward conveying conveyor is extended upward. Since the transport surface of the unit is not only tilted upward, but also left and right,
The long crops in the upper part will drop in the left-right direction due to their own weight, and the long crops can be reliably transferred to the weighing and sorting device one by one.

According to the present invention, the concrete storage casing and the forward feed conveyor are not only tilted upward but also leftward and rightward, and the start end of the horizontal transfer conveyor is provided on the lower side wall of the end of the conveyor storage casing. Since the inheritance opening to the conveyor storage casing is provided, long crops can be collected only on one side of the conveyor storage casing, and the cooperation of the casing and the sequential feeding conveyor conveys the long crops one by one from the inheritance opening through the transverse conveyor. Therefore, it can be reliably transferred to the weighing and sorting apparatus.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A crop sorting device A having a carrying device according to the present invention will be specifically described below with reference to the embodiments shown in the accompanying drawings.

(Embodiment 1) In the present embodiment, as shown in FIG. 1, the crop sorting apparatus A stores a large number of long crops P and stores them as a crop supply unit capable of supplying the same long crops P. The hopper 11, the progressive feed conveyor 12 that sequentially conveys the long crops P supplied from the input port 11a provided at the bottom of the storage hopper 11 one by one in a predetermined posture, and the long crop P sent from the same progressive feed conveyor 12. And a weighing and sorting device (13) for automatically weighing and sorting according to weight rank.

The present invention is substantially characterized by the structure of the progressive transfer conveyor 12 capable of reliably transferring the long crops P one by one to the weighing and sorting device 13 in the crop selecting device A having the above-described structure.

As shown in FIGS. 1 to 3, the forward transfer conveyor 12 is provided with an endless transfer belt 15 having transfer projections 14 mounted on the transfer surface at regular intervals, and between the transfer projections 14 and 14. A long crop transporting space for accommodating the long crop P falling from the input port 11a of the storage hopper 11 is formed.

As shown in FIG. 1, a progressive transport conveyor 12
The horizontal extension 16 that forms the starting end of the storage hopper 11 is arranged below the inlet 11a of the storage hopper 11, and the upper extension 17 that forms the end of the storage hopper 11 is inclined at a constant slope, and its end is measured. The sorting device supply section 18 of the sorting device 13 is contacted.

In this embodiment, the progressive transfer conveyor 12 is
As shown in FIGS. 1 and 2, the upward extension portion 17 is twisted around the conveyor axis, and the conveying surface 17a is inclined not only in the upward direction but also in the lateral direction. Further, the twisting angle of the progressive transfer conveyer 12 is steeper toward the end of the conveyer 12.

Therefore, even when two or more long crops P are vertically stacked in the superposed crop conveying space 15 of the forward conveying conveyor 12 from the charging port 11a of the storage hopper 11, the upper crop P in the upper portion is superposed. Can be easily dropped in the left-right direction by sliding the upper surface of the lower long crops P by its own weight, and the long crops P can be reliably and individually placed on the crop placing tray 13a in the weighing and sorting apparatus 13. Can be transferred.

Further, in the present embodiment, the lower long crop P is used.
As shown in FIGS. 3 and 4, the plate-shaped transport projection 14 has a long crop lock at the lowermost end thereof in order to reliably prevent the above-mentioned long crop C from falling in the left-right direction. The piece 19 is attached.

Further, in this embodiment, as shown in FIGS. 1 and 2, the long crop collecting chute 20 for collecting the long crops P that have fallen in the width direction from the upward extension part 17 of the forward conveying conveyor 12 is fed forward. Arranged along the upper extension 17 of the conveyor 12, the end of the same-length crop collection chute 20,
The long crop returning conveyor 21 is connected to the starting end thereof, and the end of the long crop returning conveyor 21 is arranged above the storage hopper 11.

Therefore, the long crops P that have fallen laterally from the progressive transfer conveyor 12 can be returned to the total number of storage hoppers 11.

The weighing and sorting device 13 will be briefly described. In FIG. 1, a pair of left and right endless rotary chains 13 is provided.
A crop mounting tray 13a is erected at a predetermined pitch over b and 13b so as to be rotatable around a horizontal axis at a position biased to one side in the transport direction. The saucer 13a for placing the crop is a long crop P.
Depending on the weight of the
It rotates on any of c, and by this rotation, the long crop P falls from the crop placing tray 13a toward the hopper 13c, and is collected by the collecting tool 13d through the hopper 13c.

(Embodiment 2) First, the overall construction of a crop sorting apparatus A having a carrying device according to this embodiment will be described with reference to FIG. 5, and a storage hopper as a crop supply unit containing a long crop P therein. Below the input port 31a of 31 is provided a scraping conveyor 34 which is provided with the transport projections 32 on the transport surface at regular intervals to form a long crop transport space 33 between the transport projections 32. At the end of the scraping conveyor 34, a swing selecting device 36 that extends upward while inclining the end at a constant gradient via a transfer chute 35 arranged in an inclined state.
The starting point of is contacting. On the other hand, the end of the swing sorting device 36 is connected to the sorting device supply section 39 of the weighing and sorting device 38 via the lateral transport conveyor 37. In addition, an alignment brush 40 is provided at the input port 31a of the storage hopper 31, and one long crop P is stored in the long crop conveyance space 33 of the scraping conveyor 32 and is conveyed to the outside. You can

In this embodiment, in the crop sorting apparatus A having the above-mentioned structure, the swing sorting apparatus 36 is configured to be able to reliably transfer the long crops P one by one to the horizontal conveyor 37.

That is, as shown in FIGS. 5 and 6, the rocking / sorting device 36 includes a rectangular box-shaped conveyor storage casing 41,
It is housed in the same casing 41, and the conveyance protrusions 42 are attached to the conveyance surface at regular intervals, and the conveyance space for long crops is provided between the protrusions 42,
It is composed of a progressive transport conveyor 45 forming 43.

Further, as shown in FIG. 5 and FIG. 6, if the conveyor housing casing 41 and the forward feed conveyer 45 are integrally rotated around the axis and the feed surface of the forward feed conveyer 45 is inclined only upward. Instead, it is also tilted to the left and right.

Further, on the lower side wall on the terminal side of the conveyor housing casing 41, an opening for inheriting to the starting end of the lateral transfer conveyor 37 is provided.
46 are provided.

With this configuration, the scraping conveyor
With the driving of 34, the long crop P in the storage hopper 31
It will be scraped to the outside. At this time, the storage hopper
Since the alignment brush 40 is provided at the input port 31a of the 31, the long crops P can be picked out in the state where they are stored in the long crop conveyance spaces 33 of the scraping conveyor 34 one by one.

The long crop P is supplied to the start end of the forward feeding conveyor 45 of the swing selecting device 36 via the transfer chute 35 arranged in an inclined state.

By driving the forward-feeding conveyor 45, the long crops P are transferred one by one to the horizontal carrying conveyor 37 located above while being housed in the long crop carrying space 43.

As mentioned above, the conveyor storage casing
Since 41 and the forward feed conveyer 45 are integrally rotated around the axis, and the feed surface of the forward feed conveyer 45 is tilted not only in the upward direction but also in the left and right directions, all long crops P are As is most apparent from FIG. 5, they are gathered on the lower side wall 41a side of the conveyor storage casing 41. On the other hand, on the lower side wall on the terminal side of the conveyor storage casing 41, an inheritance opening 46 to the starting end of the lateral transfer conveyor 37 is provided.

Therefore, when the long crops P are sequentially transferred to the upper part of the conveyor storage casing 41 by the driving of the progressive feed conveyer 45 and reach the end, the long crops P are interlocked with the movement of the progressive feed conveyer 45 one by one. Then, it is supplied onto the horizontal conveyor 37 through the inheritance opening 46 and the transfer chute 46a.

Here, the inheritance opening 46 is formed by the forward transport conveyor 45 and the conveyor storage casing which are also inclined in the left-right direction.
Since the inherited shutter is formed in collaboration with 41,
It is possible to reliably supply the long crops P one by one from the progressive transfer conveyor 45 onto the horizontal conveyor.

After that, by driving the horizontal conveyor 37, the long crops P are supplied one by one to the crop loading tray 38a of the weighing / sorting device 38 through the sorting device supply section 39 consisting of the inclined chute. be able to.

Further, in this embodiment, as shown in FIG.
Further, a swing mechanism 47 is attached to the conveyor storage casing 41. The swing mechanism 47 includes a drive motor 47c mounted on the base 47a and swingably supporting the conveyor housing casing 41 on the base 47a via a pair of links 47b.
It is configured by connecting the eccentric position of the rotating plate 47d provided on the output shaft and the conveyor housing casing 41 with the connecting rod 47e.

When the swinging mechanism 47 is driven, the conveyor housing casing 41 and the forward-feeding conveyor 45 swing together, and this swinging causes the forward-feeding conveyor to move.
It is possible to effectively drain the long crop P that has been washed and transported by the 45.

The weighing and sorting device 38 will be briefly described. As shown in FIG.
A crop placing tray 38a is erected at a predetermined pitch over b and 38b so as to be rotatable around a horizontal axis at a position biased to one side in the conveying direction. This crop mounting tray 38a is used for the long crop P.
Multiple hoppers 38 located below it, depending on the weight of
It rotates on any one of c, and by this rotation, the long crop P falls from the crop placing tray 38a toward the hopper 38c, and is collected by the collecting tool 38d through the hopper 38c.

[0041]

[Effects] According to the present invention, the transfer protrusions are attached to the transfer surface at regular intervals, and one end of the progressive transfer conveyor that forms the long crop transfer space between the transfer protrusions is arranged below the input port of the crop supply unit and the transfer is performed. The other end of the conveyor is extended upward while inclining at a constant gradient and connected to the sorting device supply part of the weighing and sorting device, and the upper extension part of the conveyor is twisted or rotated around the conveyor axis, and then conveyed. Not only is the surface tilted upward, but it is also tilted laterally.

Therefore, even if the long crops are vertically stacked on the progressive transport conveyor, the upper crops are
Due to its own weight, it will fall in the left-right direction, and long crops can be reliably transferred to the weighing and sorting device one by one.

Further, in the present invention, a scraping conveyor is arranged below the input port of the crop supply unit, and the end of the scraping conveyor is slanted upward while the end is inclined at a constant gradient. The starting end of the device is connected, the end of the swing sorting device is connected to the sorting device supply section of the weighing sorting device via the horizontal conveyor, and the swing sorting device is a rectangular box-shaped conveyor storage casing, It is stored in the same casing,
Consists of a progressive feed conveyor that attaches the transport projections at regular intervals on the transport surface to form a long crop transport space between the transport projections, and twists or rotates the conveyor storage casing and the progressive transport conveyor integrally around the axis. , Not only inclining the conveying surface of the forward conveying conveyor upward but also in the left-right direction, and, on the lower side wall on the terminal side of the conveyor storage casing, providing a transfer opening to the starting end of the lateral conveying conveyor, A swing mechanism is attached to the conveyor storage casing.

Therefore, the long crops can be collected only on one side of the conveyor storage casing, and the cooperation of the casing and the forward feed conveyer ensures that the long crops are transferred one by one from the inheritance opening via the transverse feed conveyor. , Can be transferred to a weighing and sorting device. In addition, the operation of the rocking mechanism can effectively drain the long crop after washing.

[Brief description of drawings]

FIG. 1 is a conceptual configuration explanatory diagram of a crop sorting apparatus including a crop sorting and conveying apparatus according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of a main part of the sorting transport device.

FIG. 3 is a perspective view of a main part of the sorting conveyance device.

FIG. 4 is a side view of a main part of the sorting transport device.

FIG. 5 is a conceptual configuration explanatory diagram of a crop sorting apparatus including a crop sorting and conveying apparatus according to a second embodiment of the present invention.

FIG. 6 is a cross-sectional view of the main parts of the sorting conveyance device.

FIG. 7 is a conceptual configuration explanatory diagram of a conventional crop sorting apparatus.

FIG. 8 is an explanatory view of a main part of a sorting and conveying device of the apparatus.

FIG. 9 is an explanatory view of a main part of a sorting and conveying device of the apparatus.

[Explanation of Codes] A crop selection device P long crop 11 storage hopper 11a input port 12 sequential feeding transfer device 13 weighing and sorting device 13a crop mounting tray 14 transfer protrusion 15 endless transfer belt 16 horizontal extension part 17 upward extension part 18 selection device Supply unit 17a Transport surface 19 Long crop locking piece 20 Long crop collection chute 21 Long crop return conveyor 31 Storage hopper 31a Input port 32 Transport projection 33 Long crop transport space 34 Scraping conveyor 35 Transfer chute 36 Swing sorter 37 Horizontal Transport conveyor 38 Weighing / sorting device 38a Crop loading tray 39 Sorting device supply section 40 Alignment brush 41 Conveyor storage casing 41a Lower side wall 42 Transport protrusion 43 Long crop transport space 45 Forward transport conveyor 46 Transfer opening 46a Transfer chute 47 Swing mechanism 47a Base 47b Link 47c Drive motor 47d Rotating plate 47e Connecting rod

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical indication B65G 47/34 B65G 47/34

Claims (2)

[Claims] 1. A transporting projection is attached to a transporting surface at regular intervals, and one end of a progressive transporting conveyor that forms a long crop transporting space between the transporting projections is arranged below the input port of the crop feeding section, and the transporting conveyor is provided. While extending the other end while inclining at a constant gradient and connecting to the sorting device supply part of the weighing and sorting device, and twisting or rotating the upper extension part of the same conveyor about the conveyor axis, A conveyance device in a crop selection device, which is inclined not only upward but also laterally. 2. A scraping conveyor is arranged below an input port of a crop supply section, and a start end of a swinging / sorting device that extends upward while inclining the end at a constant gradient is provided at the end of the scraping conveyor. The end of the swing sorting device is connected to the sorting device supply section of the weighing and sorting device via the horizontal conveyor, and the swing sorting device is installed in the rectangular box-shaped conveyor storage casing and the same casing. Consists of a progressive transport conveyor that is housed and that has transport projections attached at regular intervals on the transport surface to form a long crop transport space between the transport projections.The conveyor storage casing and the progressive transport conveyor are twisted integrally around the axis. Or, rotate and incline not only the conveying surface of the forward conveying conveyor upward but also the lateral direction,
And, on the lower side wall on the terminal side of the conveyor storage casing,
A transfer device in a crop selection device, wherein a transfer opening is provided at a starting end of a horizontal transfer conveyor, and a swing mechanism is attached to the conveyor storage casing.