JPH08130955A - Onion transfer apparatus - Google Patents

Abstract

PURPOSE: To provide an onion transfer apparatus enabling the inversion of an onion by separating it from a successive one on the way of the transfer of the onion when it is sent out in a state contacting the successive onion, guiding the foliage downward from the space between a pair of transferring rollers and preventing the cutting miss of the foliage. CONSTITUTION: A pair of transferring rollers 14, 15 are facing to each other having a guiding space 13 for guiding a foliage of an onion and supported by shafts in a state freely rotatable inward to each other to wind in the foliage. The transferring rollers 14, 15 consist of a pair of cylinders 18 having spiral protrusions 19 on their peripheral surfaces from one end to the other end which work to send onions toward onion cutters 22, 23. The spiral protrusions 19 consist of an onion arranging part 20 where the spiral, protrusions are wound with a specified pitch (a) and the onion is arranged between a pair of cylinders 18 and a foliage arranging part 21 where the spiral protrusions are wound with a pitch (b) wider than that (a) of the onion arranging part and the foliage of the onion is guided downward through the guiding space 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an onion conveying device, which conveys an onion toward an unloading end, and unloads the foliage of the onion toward a cutter for cutting the foliage.

[0002]

2. Description of the Related Art Conventionally, as this type of onion conveying device,
For example, as described in Japanese Utility Model Publication No. 4-48662, a plurality of pairs of screw conveyors each having a pair of two cylindrical bodies are installed, a cutter is provided at the end of each screw conveyor, and each screw conveyor is provided. Of the above 2
On the cylindrical body of the book, a spiral band that feeds the onion toward the cutter is spirally wound around the outer peripheral portion from one end to the other end of the cylindrical body at a constant equal pitch, and on each screw conveyor. Each onion carried in is guided by the cylinder and this spiral band toward the end of the screw conveyor, and the foliage of this onion is drawn between the two cylinders and is cut by the cutter at the end of the screw conveyor. A configuration for cutting is known.

[0003]

In the structure described in the above publication, since the spiral band of the cylindrical body is spirally wound at an equal pitch, the movement of the onion sent toward the cutter by this spiral band. When a large number of onions are delivered continuously in contact with each other in the delivery direction at a constant speed, these onions are inverted on the two cylinders, and the foliage of these onions is placed between the two cylinders. However, there is a problem that the onions and leaves cannot be cut by the cutter at the end of the screw conveyor, or a cutting error may occur.

The present invention has been made in view of the above point, and the onions are aligned and conveyed between a pair of conveying rollers of each set, and these onions are continuously contacted in the feeding direction. When feeding these onions, they are separated from the subsequent onions that are adjacent to them in the course of transporting them toward the cutter and inverted, and the foliage of these onions is guided downward between the pair of transport rollers. Therefore, the onion foliage can be surely cut by the cutter facing the carry-out end of the pair of conveyance rollers, and the onion foliage conveying device can be prevented. The purpose is to do.

[0005]

According to a first aspect of the present invention, there is provided an onion conveying device including a pair of conveying rollers which are rotated inwardly toward each other with an introduction gap for introducing stems and leaves of the onion between them. A plurality of sets, each of which is one set, are mounted in parallel, and a cutter for cutting the foliage of the onion is rotatably provided so as to face the carry-out end of each pair of the pair of transport rollers, and each pair of the pair of transport rollers is provided. While transporting the onion toward the unloading end portion, the onion transporting device transports the foliage of the onion downward from the introduction gap between the pair of transport rollers and transports it toward the cutter. The pair of conveying rollers are composed of a pair of cylindrical bodies rotatably mounted inwardly toward each other in an inward winding direction with an introduction gap for introducing the onions and leaves between them, and an outer circumference of the pair of cylindrical bodies. This pair of parts And a spiral ridge that is spirally wound from one end to the other end of the tubular body and sends out the onion toward the cutter. The spiral ridge aligns the onion between a pair of cylinders. Onion aligning portion spirally wound at a predetermined pitch, and a stem-and-leaf aligning portion that is spirally wound at a pitch wider than the pitch of the onion aligning portion and causes the leaves of the onion to be drawn downward from the introduction gap. And have.

The onion conveying device according to claim 2 is the onion conveying device according to claim 1.
In the onion carrying device described above, the foliage-arranging portion of the spiral ridge is arranged on the cutter side continuously to the onion-arranging portion arranged on the onion-carrying-in side.

The onion carrying device according to claim 3 is the same as claim 1.
In the onion conveying device described, the foliage-arranged portion of the spiral ridge is arranged in the middle of the onion-arranged portion wound from one end to the cutter at the other end.

[0008]

In the onion carrying device according to the first aspect of the present invention, the onions carried on the plurality of sets of carrying rollers, each of which includes a pair of carrying rollers, are rotated inwardly toward each other. The rotation and transport action of the pair of transport rollers transports them toward the respective carry-out end portions, and the foliage of each of these onions is led out between the pair of transport rollers in a state of hanging downward.

Therefore, each onion is carried out to the respective cutter from the carrying-out end portions of the pair of conveying rollers in a state in which the foliage is easily cut, and the foliage of each onion is sequentially cut by the respective cutters. .

In this case, the onions are aligned between the pair of cylindrical bodies in each pair at the onion arranging portion of the spiral ridge provided in the cylindrical bodies of the pair of conveying rollers in each pair, and these onions are arranged in the feeding direction. When these onions are continuously delivered in contact with each other, when these onions are conveyed from the onion aligning section to the foliage arranging section, the pitch of this foliage arranging section is wound at a pitch wider than the pitch of the onion arranging section. Therefore, the onions conveyed to this foliage arranging section are reversed and separated from the subsequent onion adjacent to this foliage arranging section, and the foliage of these onions descends from between the cylinders of each pair of conveying rollers. It is led out toward and aligned downward, so that the foliage of each onion is sequentially cut by each cutter.

In the onion conveying device according to the second aspect of the present invention, since the foliage-arranging portion of the spiral ridge is disposed on the cutter side, each onion is aligned between the pair of conveying rollers of each set in the onion arranging portion. Then, the foliage of each onion is led out downward between the cylinders of the pair of conveying rollers of each set at the foliage alignment section. Then, in this state, the foliage of each onion is carried out toward the cutter.

In the onion carrying device according to the third aspect of the present invention, since the foliage-arranging portion of the spiral ridge is disposed in the middle of the onion-arranging portion, each onion is stalk-and-leaved while being aligned and conveyed in the onion-arranging portion. At the aligning section, the foliage of each onion is led out downward between the cylindrical bodies of the pair of conveying rollers of each set. Then, in this state, each onion and the foliage of each onion are carried out toward the cutter by the onion aligning unit.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of an embodiment of the present invention will be described below with reference to the drawings.

Reference numeral 1 denotes a machine casing, and a crawler 2 is provided at a lower portion of the machine casing 1, and the crawler 2 is rotationally driven by an output from an engine 3 mounted on the machine casing 1. It is like this. A lifting conveyor 4 for transporting the onion A backward and upward is disposed and supported on the machine frame 1 in front of the engine 3, and the lifting conveyor 4 is provided at a lower front part thereof with the lifting conveyor 4. A transfer conveyor 5 for discharging the onion A is arranged on the upper conveyor 4, and the transfer conveyor 5 is supported by the machine frame 1.

A digging body 6 for digging up an onion A in the field and carrying it into the transport conveyor 5 is projected at the front end of the transport conveyor 5 so as to incline downward toward the front. In addition, the grounding wheels 7 are located on the left and right in front of the excavated body 6.
Are provided respectively, and the left and right ground wheels 7 are the machine frames 1
Is rotatably mounted on the front end of each. The endless traveling body 8 of the lifting conveyor 4 and the endless traveling body 9 of the conveyor 5 are respectively rotated by an output from the engine 3 through an interlocking medium (not shown) in the onion conveying direction. It is supposed to be done.

Next, on the rear side upper part of the machine frame 1, an onion carrying device 11 for carrying in the onion A carried out from the carry-out end of the lifting conveyor 4 via a chute 10 is arranged. This onion transporting device 11 has a frame 12 disposed so as to be opposed to each other on the left and right, and there is an introduction gap 13 between the left and right frames 12 for introducing the foliage B of the onion A therebetween. A plurality of sets, each of which includes a pair of front and rear transport rollers 14 and 15 which are rotated in the direction of winding, are rotatably mounted in parallel in parallel. The chute 10 is configured by arranging a large number of sieve rods 10a in the front-rear direction, which are arranged at a predetermined interval for sieving the soil in the left-right direction.

The pair of conveying rollers 14 and 15 of each set are front and rear bearing bodies provided on a left and right shaft support body (not shown) disposed in front of and behind the left and right frames 12. Each of the rotary shafts 17 has a rotary shaft 17 that is rotatably supported, and the rotary shafts 17 have introductory gaps 13 for introducing the foliage B of the onion A between them. The rotated cylindrical bodies 18 are fitted and fixed integrally with each other.

In addition, on the outer peripheral portion of each pair of the cylindrical bodies 18, the onion A is spirally sent at a predetermined pitch from one end to the other end of the pair of cylindrical bodies 18 toward a cutter described later. The wound spiral ridges 19 are integrally formed.

The spiral ridges 19 formed on the pair of cylindrical bodies 18 align the onion A between the pair of cylindrical bodies 18 from one end of the pair of cylindrical bodies 18 to a substantially middle portion in the front-rear direction. Onion aligning part 20 spirally wound at a predetermined pitch a
And the stem B of the onion A is spirally wound toward the other ends of the pair of cylindrical bodies 18 at a pitch b wider than the pitch a of the onion aligning section 20 and continuous with the onion aligning section 20. It has a foliage alignment portion 21 which is led out downward from the gap 13 and is formed in series.

Further, the spiral ridges 19 formed on the pair of cylindrical bodies 18 in each pair, the foliage B of the onion A along the side edge of the spiral ridge 19 in the foliage alignment portion 21. A draw-in band 31 made of an elastic member such as rubber having a large number of elastic projections 30 drawn into the introducing gap 13 is spirally and integrally wound.

The pair of conveying rollers 14 and 15 for each set
Are rotatably driven by the output from the engine 3 through an interlocking medium (not shown) in the inward winding direction, and the onion A and the onion are conveyed by the pair of conveying rollers 14 and 15 in each set. The foliage B of A is sent out to the cutter mentioned later.

Further, a pair of cutters 22 and 23 for cutting the foliage B of the onion A are provided rotatably so as to face the carry-out ends of the pair of conveying rollers 14 and 15, respectively. The pair of cutters 22 and 23 of each set are horizontally rotatably mounted on a support frame 24 arranged between the rear end portions of the left and right frames 12 by a vertical rotation shaft 25. At the upper end of each rotary shaft 25, there is provided a support 26 having a substantially conical shape for supporting the onion B delivered from the delivery end of the pair of transport rollers 14 and 15.

Of the pair of cutters 22 and 23 in each set, the outer peripheral portion of one cutter 22 is the other cutter.
The stem B of the onion A is cut by rotating in contact with the outer peripheral portion of 23. Then, each pair of cutters 2
One of the cutters 2 and 23 is rotationally driven by an output from the engine 3 via an interlocking medium (not shown).

Next, the pair of conveying rollers 14 and 15 and
A guide plate 27 for guiding the onion A between the pair of transport rollers 14 and 15 at the boundary between the pair of transport rollers 14 and 15 adjacent to the pair of transport rollers 14 and 15.
Are arranged along the conveying direction of the onion A, and each guide plate 27 is supported and fixed between the left and right frames 12 via a support member 28.

Each of the guide plates 27 is formed in a substantially mountain-shaped cross-section with inclined side plates on both sides which are expanded and inclined downward toward the outside, and at the front ends of the inclined side plates on both sides. A distribution plate 27a that distributes the onion to the left and right is integrally projected so as to gradually decrease in diameter toward the front lower side, and an arc-shaped plate that protrudes upward in an arc shape is directed forward at the front end of this distribution plate. Are formed integrally with each other.

Further, the onion A whose stems and leaves B have been cut by the pair of cutters 22 and 23 located on the rear side of the pair of cutters 22 and 23 of the respective pairs is provided on the left and right frames 12 of each pair. Left and right chute bodies 29, which are received and discharged from the support bodies 26 of the cutters 22 and 23, are connected in series.

Next, the operation of the above embodiment will be described.

The crawler 2 is driven to rotate by the output from the engine 3 to advance the machine, and the endless traveling body 9 of the transport conveyor 5 and the endless traveling body 8 of the lifting conveyor 4 are respectively rotated clockwise. The pair of conveying rollers 14 and 15 of the onion conveying device 11 are rotated inward toward each other in an inward winding direction, and one of the pair of cutters 22 and 23 of each pair is rotated. The cutter 22 is driven to rotate, and the one cutter 22
23 is rotated in conjunction.

The onions A in the field are sequentially excavated by the excavation body 6, and each of these onions A is sequentially carried on the endless traveling body 9 of the transport conveyor 5, and the endless traveling body 9 is conveyed. The soil is conveyed while being sifted off, and is sequentially conveyed from the discharge end to the endless traveling body 8 of the lifting conveyor 4. Also,
Each onion A carried into this endless traveling body 8 is an endless traveling body 8
At the same time it is lifted and transported while sifting off the soil.
From the carry-out end portion, the chute 10 is sequentially carried out to the onion carrying device 11.

Further, each onion A carried into the onion conveying device 11 is rotated and conveyed by each pair of conveying rollers 14 and 15 and guided by each guide plate 27. By the action, the foliage B of each onion A is conveyed toward the respective carrying-out end portions, and is led out to the state of hanging downward from the introduction gap 13 between the cylindrical bodies 18 of the pair of conveying rollers 14 and 15. And is discharged toward the respective cutters 22 and 23.

That is, each onion A carried onto the pair of conveying rollers 14 and 15 is loaded with the spiral ridges 19 and 19 of the pair of conveying rollers 14 and 15 to form the cylindrical body 18 of the pair of conveying rollers 14 and 15. Each of these onions A is moved while being transported in line and transported.
The foliage B is drawn out from the introduction gap 13 between the cylindrical bodies 18 of the pair of conveying rollers 14 and 15 into a state of hanging downward, and is conveyed and discharged toward the discharge end on the side of the cutters 22 and 23.

In this case, the onions A are aligned between the pair of cylindrical bodies 18 of each pair by the onion aligning portion 20 of the spiral protrusions 19 and 19 provided on the cylindrical bodies 18 of the pair of conveying rollers 14 and 15 of each pair. However, when these onions A are continuously delivered in a state of being in contact with each other in the delivery direction, when these onions A are conveyed from the onion aligning section 20 of the spiral projections 19 and 19 to the foliage aligning section 21. Since the pitch b of the foliage arranging portion 21 is spirally wound at a pitch b wider than the pitch a of the onion arranging portion 20, each onion conveyed to the foliage arranging portion 21 by the foliage arranging portion 21. A is separated from the subsequent onion A which is adjacent to it, and the preceding onion A
Since it becomes easier to reverse,
The onions A are inverted while being sent by 19, 19, and the foliage B of these onions A is the cylindrical body 18 of each pair of conveying rollers 14 and 15.
The lead leaves B of each onion A are easily cut by the respective cutters 22, 23 toward the respective cutters 22, 23. Transported and unloaded.

When each onion A is conveyed from the onion arranging section 20 of the spiral ridges 19 and 19 to the foliage arranging section 21, these onions A are inverted by the spiral ridges 19 and 19 to the foliage B. Is introduced into the introduction gap 13 between the cylindrical bodies 18 of the pair of conveying rollers 14 and 15, and the pull-in band having a large number of elastic projections 30 on the side edge portions of the spiral ridges 19 and 19 of the foliage alignment portion 21. Since 31 is spirally wound, the onion A is inverted by the spiral ridges 19 and 19, and the onion A is formed by a large number of elastic projections 30 of the draw-in band 31 of the spiral ridges 19 and 19. The foliage B of each onion A is more reliably drawn into the introduction gap 13, and therefore the foliage B of each onion A is introduced into the introduction gap 13
Is dripped downward from.

Each onion A carried on the arc-shaped plate of each guide plate 27 is moved in the left-right direction on the arc-shaped surface of the arc-shaped plate, and each set adjacent to the widthwise end of the arc-shaped plate. Each onion A located at the boundary between the pair of conveying rollers 14 and 15 is laterally distributed by the distribution plate of each guide plate 27, and each of these onions A is distributed to the left and right inclined side plates of each guide plate 27. It is guided and conveyed by the pair of conveying rollers 14 and 15 toward the discharging end.

Therefore, each onion A is carried out one by one from the carry-out end portion of each pair of conveying rollers 14, 15 toward the respective cutters 22, 23 in a state where the foliage B is easily cut, and each onion A is removed. Is supported on the supporting members 26, 26 of the respective cutters 22, 23, and the foliage B of each onion A is sequentially cut by the respective cutters 22, 23.
And each of these onions A has its own cutter 22, 23
It is carried out to the chute body 29 by the support bodies 26, 26, and is carried out from the chute body 29 into the container.

Next, in the above embodiment, the spiral ridges 19, 19 are
The onion aligning part 20 of No. 1 is arranged on the onion loading side, and the foliage aligning part 21 of the spiral projections 19, 19 is arranged on the cutter 22, 23 side. However, the present invention is not limited to this. The part 21 may be arranged in the middle of the onion arranging part 20 that is spirally wound from one end of the cylindrical body 18 of the pair of conveying rollers 14 and 15 toward the cutters 22 and 23 of the other end. Good.

With this structure, the spiral protrusions 19 and 19 of the pair of conveying rollers 14 and 15 of each pair make the cutter 22,
When feeding the onion A toward 23, each onion A is fed to the foliage arranging section 21, and each onion A is inverted at this foliage arranging section 21 as in the case of the above embodiment. The foliage B of the onion A is led out downward from the introduction gap 13 between the cylindrical bodies 18 of the pair of conveying rollers 14 and 15 of each pair, and is aligned downward. Then, the foliage B of each of the onions A is sequentially cut by the respective cutters 22 and 23.

[0038]

According to the first aspect of the present invention, the onions can be aligned and conveyed between the pair of conveying rollers, and the onions can be continuously fed in a state of being in contact with each other in the feeding direction. When the onion is conveyed toward the cutter, it can be separated from the subsequent onion adjacent to the onion during the conveyance to facilitate the reversal, and the foliage of these onions can be removed from the introduction gap between the pair of conveyance rollers. It can be derived downwards and aligned downwards, thus
The onions and leaves of these onions can be surely cut by a cutter facing the carry-out end portions of the pair of conveying rollers, and mistakes in cutting the leaves can be surely prevented.

According to the invention of claim 2, since the foliage-arranging portion of the spiral ridge is arranged on the cutter side, each onion is aligned between the pair of conveying rollers in the onion arranging portion, and then these The foliage of each onion can be led out downward from the introduction gap between the pair of conveying roller cylinders at the foliage alignment portion, and in this state the foliage of each onion can be carried out toward the cutter.

According to the third aspect of the present invention, the foliage-arranging portion of the spiral ridge is arranged in the middle of the onion-arranging portion, so that each onion is aligned and conveyed in the onion-arranging portion by the foliage-arranging portion. The foliage of each onion can be drawn out downward from the introduction gap between the cylinders of the pair of conveying rollers of each pair, and in this state, each onion and the foliage of each onion are carried out toward the cutter at the onion alignment section. can do.

[Brief description of drawings]

FIG. 1 is a plan view of an onion carrying device according to an embodiment of the present invention.

FIG. 2 is an enlarged plan view of a part of the same.

FIG. 3 is an enlarged plan view showing the same onion transportation state.

FIG. 4 is a side view of a harvester equipped with the same onion carrying device.

[Explanation of symbols]

 11 Onion transfer device 13 Introducing gap 14,15 Transfer roller 18 Cylindrical body 19 Spiral ridge 20 Onion alignment part 21 Stem / leaf alignment part 22,23 Cutter A Onion B Stem leaf a, b Pitch

Claims (3)

[Claims] 1. A plurality of sets, each of which has a pair of conveying rollers rotated inward toward each other and having an introduction gap for introducing the onion foliage between them, mounted in parallel. A cutter that cuts the foliage of the onion by facing the carry-out end of each pair of conveying rollers is rotatably provided.
The pair of conveying rollers of each set conveys the onion toward the carry-out end portion, and the foliage of the onion is led out downward from the introduction gap between the pair of conveying rollers and conveyed toward the cutter. In the onion conveying device, each pair of conveying rollers, a pair of cylindrical bodies that are rotatably mounted inward toward each other in an inward winding direction with an introduction gap for introducing the foliage of the onion between them, The outer peripheral portion of the pair of cylindrical bodies has a spiral ridge that is spirally wound from one end to the other end of the pair of cylindrical bodies and sends out the onion toward the cutter, and the spiral ridge is , The onion aligning portion spirally wound at a predetermined pitch for aligning the onion between a pair of cylinders, and the onion foliage is spirally wound at a wider pitch than the pitch of the onion aligning portion. From the introduction gap And a foliage alignment portion for leading out towards, onion conveying device, characterized in that. 2. The onion transfer according to claim 1, wherein the foliage-arranged portion of the spiral ridge is arranged on the cutter side in succession to the onion-arranged portion arranged on the onion-carrying-in side. apparatus. 3. The foliage alignment portion of the spiral ridge is arranged in the middle of the onion alignment portion wound from one end toward the cutter at the other end. Onion conveyor device.