JPH0456571B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an onion harvester for digging up onions and harvesting the onions.

(Prior Art) Conventionally, as described in Japanese Utility Model Publication No. 15863/1983, a harvesting machine for harvesting onions has been equipped with a conveyor at the rear of the tip and a foliage processing device at the rear of the conveyor. A transverse conveyor is provided at the rear of the foliage processing device, and the foliage processing device includes a smooth roller that is rotated in contact with each other in opposite directions, and a tapping roller that has a spiral protrusion formed in the axial direction. A structure is adopted in which a plurality of sets of roller units are arranged side by side on shafts.

The onions that have been dug up with advance deposits are conveyed to a conveyor, which shakes off the soil, and then conveyed from the conveyor to a stem and leaf processing device, where each set of smooth rollers and tapping rollers While being conveyed, the onion stems and leaves are separated and removed from the base of the onion while being held between the smooth roller and the tapping roller.

(Problems to be Solved by the Invention) According to the structure in the above-mentioned publication, onion stems and leaves are separated and removed from the onion by being torn off from the base between the smooth roller and the tapping roller. If the stems and leaves are still green without drying out, the onion may be damaged, and the shoulder part of the onion may turn black due to friction between the smooth roller and the tapping roller, and the roots of the onion may be damaged. If the foliage is interposed between the smooth roller and the tapping roller and located above, the foliage may be difficult to be drawn between the smooth roller and the tapping roller, resulting in errors in removing the foliage.
When the leaves are withered and dry, such leaves have a low coefficient of friction with the rollers and are not drawn between the rollers, resulting in errors in removing the leaves.Additionally, the cutting length of the leaves changes depending on the diameter of the roller. be.

In addition, as described in Japanese Utility Model Application Publication No. 57-129316, air is blown in the direction opposite to the direction in which onions are transported, so that the onion stems and leaves hang down and are easily drawn between the smooth roller and the tapping roller. However, in the structure described in this publication and the above publication, the onion is transferred in the transport direction while being rolled by the rotation of the smooth roller and the tapping roller. There is a problem in that onions are easily damaged during transportation due to the spiral protrusions of the container, and if onions become clogged, they may be damaged due to friction with the smooth roller and the tapping roller.

Therefore, the present invention has been made in view of the above points, and it is possible to make the stems and leaves of the onion that have been dug up stand vertically, and to transport the onion in a suspended state by taking in and holding the stems and leaves. The object of the present invention is to provide an onion harvesting machine that is capable of cutting off the stems and leaves during the transportation of onions, ensuring removal of the stems and leaves, and harvesting the onions without damaging them. be.

(Means for Solving the Problems) The onion harvesting machine of the present invention includes a harvesting machine main body equipped with a traveling mechanism, an digging body provided in the front part of the harvesting machine main body for digging up onions, and a digging body for digging up onions. A conveyor installed at the rear of the body to transport onions brought in from the excavation body, and a conveyor to receive onions taken out from this conveyor,
and a foliage posture control device that blows up the onion foliage to stand up vertically; and a foliage posture control device that grips and conveys the foliage that has been erected vertically by the foliage posture control device, and cuts the foliage. A foliage processing device,
an onion conveying device that receives and conveys the onion from which the stalks and leaves have been removed by the stalk and leaf processing device;
The above-mentioned stem and leaf posture control device includes a substantially cylindrical receiving body that receives onions, and is connected to the lower end of the receiving body via a ventilation pipe to levitate the onion inside the receiving body, and also to vertically move the onion stems and leaves. and a blower that supplies strong wind to make the onions stand up. A pair of clamping and conveying belts, a supplying body that supplies the foliage vertically between the inner parts of the pair of clamping and conveying belts, and a supplying body that supplies the foliage that is pinched and conveyed between the inner parts of the pair of clamping and conveying belts. It is equipped with a cutter for cutting.

(Function) In the onion harvester of the present invention, the onions dug up by the digging body are carried into the conveyor and conveyed, and are received from the conveyance end into the receiving body of the stem and leaf posture control device, and are also removed from the blower. The onions inside the receiver are floated by the strong wind supplied into the receiver, and the stems and leaves of the onions are blown up to stand up vertically. Furthermore, when the onion stems and leaves are vertically controlled, a predetermined position of the stems and leaves is supplied to the intake section between the inner sides of the pair of clamping and conveying belts by the supply body of the stem and leaves processing device, and A predetermined position of the stems and leaves is held between the inner parts of a pair of clamping and conveying belts, and the onion is conveyed in a suspended state between the inner parts of the pair of clamping and conveying belts. Then, during the conveyance, the stems and leaves are cut from a predetermined position by a cutter, and the stems and leaves are carried out rearward as they are, while the onions are received and conveyed by an onion conveying device.

(Example) Hereinafter, the structure of an example of the present invention will be described based on the drawings.

In the figure, reference numeral 1 denotes a harvester main body, and an endless track body 2 as a traveling mechanism is attached to the lower part of this harvester body 1 so as to be freely rotatable, and a drive shaft 3 of this endless track body 2 is attached.
One end thereof is interlockingly connected to an engine 4 mounted on the front side of the harvester main body 1 via an interlocking medium 5. In addition, side frames 6 are integrally erected on both left and right sides of the harvester main body 1, and base ends of upper and lower support arms 7, 8 are provided at the upper and lower portions near the front ends of the opposing side frames 6. The upper and lower support arms 7 and 8 are mounted on support shafts 9 and 10 so as to be rotatable in the vertical direction. The side frames 12 on both sides of the conveyor frame 11 are the upper and lower support shafts 1
3 and 14 so as to be rotatable in the vertical direction. Also, mounting pieces 15 are integrally provided at substantially intermediate portions of the rear ends of the side frames 12 on both sides of the conveyor frame 11, and the base end portions of cylinders 16 are attached to the mounting pieces 15 on both sides, and are rotated about an upper shaft 17. The tips of the piston rods 18 of the cylinders 16 on both sides are rotatably mounted on the lower shafts 20 on both sides of a support frame 19 protruding from the front end of the harvesting machine body 1. It is attached. The conveyor frame 11 is suspended by the cylinders 16 on both sides via upper and lower support arms 7 and 8, and the piston rods 1 of the cylinders 16 on both sides are suspended.
8, the conveyor frame 11 is moved up and down via upper and lower support arms 7 and 8 on both sides. Furthermore, the above conveyor frame 1
At the lower part of the front end between the side frames 12 on both sides of 1, a tip 21 as an excavation body is integrally protruded toward the front, and at the rear end of this tip 21 there is a slope that slopes upward as a conveyor. A conveyor 22 is connected so as to be freely rotatable with its inlet part facing the conveyor, and a lifting conveyor 23 serving as a conveyor is connected to the unloading end of the inclined conveyor 22 in a freely movable manner with its inlet part facing the conveyor 22. It is set up. The above inclined conveyor 22
Between the side frames 12 on both sides, an endless body 26 that rotates clockwise in FIG. 1 while shaking off soil is suspended between a driving wheel 24 and a driven wheel 25 that are arranged so as to be rotatable back and forth. It is configured as follows. Further, the lifting conveyor 23 has drive wheels 27 disposed between the side frames 12 on both sides so as to be rotatable up and down.
and the driven wheel 28 while shaking off the soil.
Rotating clockwise in the figure, a large number of locking rods 2
9 are suspended at predetermined intervals, and a tension roller 31 is engaged with the front upper part of the endless body 30.

Further, 32 is a hopper device, and this hopper device 32 is configured by arranging a plurality of hoppers 33 side by side in the left-right direction, and each hopper 33 has a diameter-reduced lower side at the lower part of a rectangular opening edge 34. funnel-shaped part 3
5 is formed, and this funnel-shaped part 35
A square cylindrical part 36 is formed at the lower part of the square cylindrical part 36, a drop opening 37 is opened on the lower surface of the square cylindrical part 36, and an inner wall surface thereof from the opening edge 34 to the lower end of the funnel-shaped part 35 includes: An uneven rough surface or countless elastic protrusions 3 as a foliage control surface that provides weak resistance to the falling of the foliage b of onion a and precedes the falling of onion a.
8 is integrally formed, and this elastic protrusion 38
It is formed to have the strength and length to bend when the onion falls and to restore itself when the onion a passes through. The hopper device 32 connects the opening upper surface of each hopper 33 to the lifting conveyor 2.
The conveyor frame 11 is integrally fixed between the rear upper portions of the side frames 12 on both sides of the conveyor frame 11 so as to face the discharge end of the conveyor frame 11. Further, the upper end portions of both side pieces 40 of a chute 39 are attached to both sides of each cylindrical portion 36 of each hopper 33, respectively, and are arranged so as to be inclined backwardly at a predetermined inclination angle. Each of the drop ports 37 is opened at the upper end of each chute 39, and a discharge port 41 is formed at the lower end of each chute 39.

Reference numeral 42 denotes a foliage attitude control device, which has a long air conduit 43 in the left and right direction, and a lengthwise direction of this air conduit 43 corresponds to each outlet 41 of each of the above-mentioned chutes 39. Branch conduits 44 are erected at intervals, and each branch conduit 4
A substantially cylindrical receiving body 45 for receiving onions a discharged from each of the discharge ports 41 is integrally attached to the upper end of the container 4. Further, a guide cylinder 46 formed in a cylindrical shape from a soft elastic member is integrally provided on the upper edge of the opening of each of the receiving bodies 45, and the inlet port 47 of each guide cylinder 46 is connected to each of the above-mentioned discharge ports 45. The opening edge of each inlet 47 is formed to be sloped so that the side opposite to the outlet 41 is lower and the side opposite to the outlet 41 is higher. It is formed so as to be expandable by a large number of slits 48 cut vertically from the edge of the opening. One end of the air conduit 43 is airtightly closed, and the other end of the air conduit 43 is connected to a blower 50 via a delivery pipe 49, and the blower 50 supplies an interlocking medium 52 to an engine 51. The blower 50 and the engine 51 are fixed on a frame 53 provided on one side of the harvester body 1. The air from the blower 50 is supplied to the delivery pipe 49, the air conduit 43, and each branch pipe 4.
4, the wind blows strongly upward from the guide tube 46 of each receiving body 45, and the strong wind causes the onion a to float inside the guide tube 46, and the stems and leaves b
It is designed to blow upward and control its attitude upwards and vertically.

Reference numeral 54 denotes a foliage processing device, and the foliage processing device 54 includes a plate-shaped mounting frame 55 that is fixed integrally in a substantially horizontal manner at approximately the midpoint in the vertical direction between the side frames 6 on both sides of the harvester main body 1. A plurality of bearing bodies 56 are fixed to the front end vicinity and the rear side of the mounting frame 55 in the left-right direction at the rear part between the respective receiving bodies 45 at predetermined intervals. Each bearing body 5
The base end portions of rotary shafts 57 are rotatably supported on the rotary shafts 6 so as to face each other. In addition, each rotating shaft 57
Inside, V pulleys 58 are fixed at the same height position on the upper side of the front and rear rotating shafts 57, which are made up of two left and right sets, and the front and rear V pulleys 58 of each set are fixed at the same height.
Between the pulleys 58, a clamping conveyor belt 59 consisting of a V-belt 59 is suspended so as to be freely rotatable. The stems and leaves b of the tree are held in place and moved closely together at the same speed and in the same direction. In addition, near the upper end of one of the front rotating shafts 57 in each set, there is a pair of clamping and conveying belts 59, 59 which rotate the stems and leaves b of the onion a vertically blown up in the same direction. A plate-shaped supply ring 60 as a supply body that takes in and supplies between the inner parts 59a, 59a is fixed, and this supply ring 6
0 and the V-pulley 58 at the bottom of the supply wheel 60 are connected by a connecting pin 61. Each of the above supply wheels 6
0 has a plurality of take-in pieces 62 integrally provided at equal intervals on the outer periphery, the radius of rotation being gradually increased on the rear side in the rotation direction. Further, a V
Pulleys 63 are fixed, and V belts 66 and 67 are connected between each pulley 63 and a V pulley 65 of a power transmission mechanism 64 corresponding to this pulley 63.
is rotatably suspended, and this power transmission mechanism 64 is fixed on the vicinity of the rear end of the mounting frame 55, and each set of power transmission mechanisms 64 is interlocked and connected, respectively. By the operation of this power transmission mechanism 64, the rotating shaft 57 is interlocked via the V-belts 66 and 67, and the pair of clamping conveyor belts 59 and 59 are moved inward at the same speed and at the same speed. The supply wheels 60
are adapted to be rotated in the same direction as the pair of clamping and conveying belts 59. Further, the carrying-in part of a chute 68 for carrying in the stems and leaves b and carrying them out to the field is arranged to face the rear end carrying-out part between the inner parts 59a and 59a of the pair of clamping and conveying belts 59 and 59 of each set, and this chute The carrying-out section 68 is opened at the rear part of the basic harvesting body 1.

Next, a pair of clamping and conveying belts 59 for each of the above groups,
Inner parts 59a, 59 of 59 that rotate close to each other
A pair of guides 69, 69 are arranged and fixed in parallel at a predetermined distance from each other at the lower part of each of the guides 69, 69 facing each other at a predetermined interval from the tip to the middle of the rear. , 69, the tips of a pair of adjusting arms 72, 72 are attached via horizontal shafts 71, 71 to protrusions 70, 70 at the lower tips of the adjusting arms 72, 72 so as to be rotatable in the vertical direction. The pair of adjustment arms 72, 72 extend rearward in the lower part of the guides 69, 69 in correspondence with the guides 69, 69, and the pair of adjustment arms 72, 7
Attachment pieces 73, 73 are erected at the upper rear end of 2, vertically long adjustment holes 74, 74 formed in the attachment pieces 73, 73, and the pair of guides communicated with the adjustment holes 74, 74. Locking holes 76, 76 of locking pieces 75, 75 protruding from the lower rear end of 69, 69
is attached with bolts and nuts 77, 77 so that its vertical position can be freely adjusted. Also, the guide 6 of each group above
9, 69, this guide 69, 6
Support frames 78, 78 are integrally erected facing each other on both sides of the support frames 78, 78, and a support frame 78, 78 is provided at the upper end of the opposing support frames 78, 78 in a direction from the front of one side to the rear of the other side at a position above the guides 69, 69. Both ends of the cutter 79, which was previously arranged in an inclined state, are removably attached with bolts and nuts 80, 80, respectively, and the cutter 79 allows the pair of clamping and conveying belts 59,
It is designed to cut vertical stems and leaves b that are conveyed while being sandwiched between the inner parts 59a and 59a of the cutting machine 59. Further, a drop opening 81 is opened in the mounting frame 55 located at the lower part of the cutter 79, through which the onion a after cutting the stems and leaves b is dropped.

By vertically adjusting the position of each pair of adjustment arms 72, 72 with respect to the pair of guides 69, 69 using the horizontal axes 71, 71 as fulcrums, the cutting length of the stems and leaves b by the cutter 79 can be adjusted. It's starting to adjust.

Reference numeral 82 denotes an onion conveying device, and this onion conveying device 82 includes a first conveyor 83 disposed horizontally toward the rear with its loading portion facing the lower part of the drop opening 81 of the mounting frame 55. and a second conveyor 84 for lateral feeding, which is disposed horizontally in the left-right direction with its carry-in section facing the discharge end of the first conveyor 83. 1st above
The conveyor 83 has an endless body 8 between a driven wheel 85 and a driving wheel 86 which are rotatably mounted on a shaft opposite to each other in the front and rear.
7 is rotatably suspended, and one end of a drive shaft 88 on which a rear drive wheel 86 is mounted is interlocked and connected to a power relay device 90 via an interlocking medium 89. is fixed on the harvester main body 1, and this power relay device 90
is interlockingly connected to the engine 51 via an interlocking medium 91. Further, a drive shaft 92 at one end of the power transmission mechanism 64 is interlocked with one end of the drive shaft 88 via an interlocking medium 93 . Further, the second conveyor 84 has a drive wheel 9 mounted rotatably in the left and right directions with respect to the traveling direction.
4 and a driven wheel (not shown), an endless body 95 is rotatably suspended between the driving wheel 94 and a driven wheel (not shown).
are interlocked and connected to each other via an interlocking medium 97. The endless body 87 of the first conveyor 83 is rotated clockwise in FIG. 1, and the endless body 95 of the second conveyor 84 is rotated upward in FIG. It's summery.

Next, the operation of the above structure will be explained.

In the field where onions are grown, first loosen the bolts and nuts 77, 77 at the rear ends of the pair of guides 69, 69 in each set, and then attach the pair of adjustment arms 72 to each of the pair of guides 69, 69. , 72 are moved up and down centering on horizontal shafts 71, 71 at their tips, and the pair of adjustment arms 72, 7
2 in the same plane position, and
Bolts and nuts 77, 77 in their set positions
By re-tightening the pair of adjustment arms 7.
2 and 72 are set at predetermined intervals with respect to the pair of guides 69 and 69, respectively, so that the position at which the stem and leaf b of the onion a is cut is, for example, 2.5 cm to 3.5 cm upward from the base of the stem and leaf b. It is set so that it can be cut at the position.

Next, when the engines 4 and 51 are started, the endless starter 2 is rotated in the running direction via the interlocking medium 5, and the harvester main body 1 is driven forward, and the interlocking medium 91, the power relay device 90, and Interlocking media 89
The endless body 87 of the first conveyor 83 connects to the first
It is interlocked and rotated in the direction of the clockwise arrow in the figure. Further, the driving force of the drive shaft 88 of the first conveyor 83 is transmitted to the power transmission mechanism 64 via the interlocking medium 93, and this power is transmitted to the pair of clamping conveyor belts of each set via the V-belts 66, 67. The opposing inner parts 59a, 59a of the supply wheels 60 are rotated in close proximity to each other in the direction of the arrow in FIG. 1 at the same time and at the same speed, and each set of supply wheels 60 is rotated in the direction of the arrow in FIG. Furthermore, the power of the power relay device 90 is transmitted to the drive shaft 96 of the second conveyor 84 via the interlocking medium 97, and the endless body 95 is interlocked and rotated in the direction of the arrow in FIG. Further, the blower 50 is driven by the engine 51 via the interlocking medium 52, and the air from the blower 50 is approximately introduced into each receiving body 45 through the delivery pipe 49, the air conduit 43, and each branch conduit 44. It is fed under the same pressure and blown upward from each guide tube 46 as a strong wind. Furthermore, power is transmitted by means not shown to the endless body 26 of the inclined conveyor 22 and the endless body 30 of the lifting conveyor 23, and the respective endless bodies 26 and 30 are rotated in the clockwise direction of the arrow in FIG. Ru.

As the harvester main body 1 moves forward, the tip 21 at the lower front end of the conveyor frame 11 is moved to the stem b.
Each onion a is sequentially dug up, and each onion a is sequentially carried into the endless body 26 of the inclined conveyor 22, and is sequentially conveyed upward on the slope while shaking off soil from between many of the endless bodies 26. The end portion is sequentially carried into the carrying-in portion of the endless body 30 of the lifting conveyor 23. Also, this endless body 30
The onion a brought in is held by each of the locking rods 29 and lifted upward one by one, and is transported one by one while further sieving off soil from between the many endless bodies 30, and is carried to the upper carrying-out end. Kara hopper device 32
are sequentially carried into each hopper 33.

Each onion a carried into each of the above-mentioned hoppers 33 is guided by its own weight to the slope of the funnel-shaped part 35 and falls, and is dropped from the drop opening 37 below. Hopper 3
Since the inner wall surface of 3 is provided with a foliage control surface, that is, an uneven rough surface or countless elastic protrusions 38, the foliage b of the onion a falling on the elastic protrusions 38 is slightly caught, and the foliage b A weak resistance is imparted to the falling of the onions, and the falling of the stems and leaves b is suppressed and controlled. Therefore, each onion a is always dropped sequentially from each drop opening 37 before the stems and leaves b, and the posture of the stems and leaves b is It is arranged and falls behind the drop port 37.

Further, the onions a falling from each drop port 37 are carried into the upper part of each chute 39 provided at the bottom of each drop port 37, and are sent to the chute 39 in advance of the stems and leaves b.
The liquid is slid down the slope along the slope and discharged from the respective discharge ports 41. and,
Each onion a is placed in the guide tube 46 of each receiving body 45 of the stem and leaf posture control device 42 facing the rear lower part of each discharge port 41, and the onion a is placed in its inlet port 47 in advance of its stem and leaf b.
It is introduced from

Each onion a introduced into the receiving body 45 from the guide tube 46 is blown upward and floated by the strong wind blowing from below the receiving body 45, and the stems and leaves b of the onion a are The inner portions 59a, which are blown up by the strong wind and erected upward in a substantially vertical manner to control their posture, rotate oppositely to each other of the pair of clamping and conveying belts 59, 59 in each set of the foliage processing device 54; It faces the intake port A in the front part between 59a and 59a.

Furthermore, when the stems and leaves b of each onion a are arranged vertically and facing the respective intake ports A, the stem waves b of each onion a are caused by the rotation of the respective supply wheels 60 in the respective intake ports A. It is gradually taken into the take-in port A by each take-in piece 62, and from the take-in port A, between the front end portions between the inner parts 59a, 59a of the pair of clamping conveyor belts 59, 59 rotating oppositely. A predetermined position of the leaf b is held between the inner parts 59a, 59a, and the leaf b is drawn between the pair of guides 69 and the pair of adjustment arms 72.

A pair of clamping conveyor belts 59, 5 for each group
When the foliage b of the onion a is sandwiched between the rotating inner parts 59a and 59a of 9, the foliage b is held between the inner parts 59a and 59a, and the onion a is suspended backwards. Transported to the destination.

In this case, the guide tube 46 of each receiving body 45 is made of a soft elastic material and is expandable by a large number of slits 48 formed along the entire circumference in the vertical direction. , the onion a is pulled up from the guide tube 46 and transferred to a pair of clamping and conveying belts 5.
9, 59, when the onions are transported suspended by
When the onion a contacts the opening edge of the guide tube 46, the abutting portion of the opening edge is elastically deformed so that movement of the onion a is not hindered, and the onion a is transferred from the guide tube 46 without being damaged. Ru.

In addition, the stems and leaves b of the onion a, which are held between the inner parts 59a and 59a of the pair of holding and conveying belts 59 and 59, are guided between the pair of guides 69 and 69 and between the pair of adjustment arms 72 and conveyed backward. When the stems and leaves b reach the position of the cutter 79, the cutter 79 automatically cuts them from the set position.

In this case, the onion a is conveyed while the shoulder portions on both sides of the root portion of the onion a are in sliding contact with the lower portions of the pair of adjustment arms 72, 72, so that the onion a is conveyed while the shoulder portions on both sides of the root portion of the onion a are conveyed by the pair of clamping and conveying belts 59. , 59, and a pair of adjustment arms 72 for the inner parts 59a, 59a,
The clamping position of the cutter 72 is automatically adjusted according to the setting position of the cutter 72, that is, the cutting position above the base of the stem and leaf b of the onion a is automatically adjusted to the set position. b is the setting position, for example, the cutting setting position of the stem and leaf b is 2.5 cm to 3.5 cm above the base.
If set to cm, it will be cut at the set position.

Then, the stem and leaf b from which the onion a was removed is the inner part 59
A, 59a, and continue to be conveyed rearward as it is, and discharged from the discharge end to the field via the chute 68.

Also, the onion a cut from the stem and leaf b is attached to the mounting frame 5.
The endless body 87 of the first conveyor 83 is carried from the drop port 81 of No. It is carried onto the loading section of the machine. Further, the onions a carried onto the endless body 95 are further conveyed laterally, and are discharged from the carrying-out end to a field on one side in the lateral direction of the traveling direction. This onion a is then dried on the ground.

〔Effect of the invention〕

According to the present invention, a stem and leaf posture control device for controlling the posture of onion stems and leaves includes a substantially cylindrical receiving body for receiving onions, and a winding pipe connected to the lower end of the receiving body to generate strong wind inside the receiving body. When onions with stems and leaves are received in this receiving body from the conveyor, the onions can be reliably floated to the surface by the strong wind blown up from below. At the same time, the onion stems and leaves can be reliably made to stand vertically, and therefore, the posture can be easily adjusted to a state where the onion stems and leaves can be easily held.

In addition, the foliage processing equipment that processes onion foliage is
A pair of clamping and conveying belts that rotate close to each other with their inner parts that clamp the foliage facing each other in the same direction, a supply body that supplies the foliage between the inner ends of the pair of clamping and conveying belts, and this pair of clamping and conveying belts. and a cutter for cutting the leaves sandwiched between the inner ends of the feeder, the feeder reliably supplies the vertically erected leaves between the inner ends of the pair of holding and conveying belts. At the same time, the onions can be reliably transported toward the cutter in a suspended state by sandwiching the stems and leaves between the inner ends of the pair of clamping and conveying belts. Since the onions are conveyed by the tapping rollers, the onions can be conveyed safely without being damaged by friction etc. It is possible to reliably cut the stems and leaves from the set position and separate the onions from the stems and leaves. In addition, the onions from which the stems and leaves have been removed are received by an onion conveying device and conveyed in a predetermined direction.
For example, it can be carried out in preparation for drying on the ground.
Therefore, each onion stem and leaf that is dug up while the harvester body advances by the traveling mechanism is reliably clamped and separated from the onion in a series of operations, and when removing the onion, the onion is removed. damage or
To provide an onion harvesting machine that does not cause onions to turn black or make mistakes in cutting stems and leaves, and is excellent in workability and quality control.

[Brief explanation of drawings]

The figures show one embodiment of the present invention, in which Fig. 1 is a side view of the onion harvester, Fig. 2 is a plan view of a portion of the same, and Fig. 3 is a perspective view of a portion of the foliage posture control device. , FIG. 4 is an enlarged plan view of the same foliage processing device, FIG. 5 is a sectional view taken along line x-x, and FIG.
It is a sectional view taken along the -y line. 1...Harvester body, 2...Traveling mechanism, 22,2
3... Conveyor, 21... Excavation body, 42... Stem and leaf posture control device, 43... Air conduit, 45... Receiver, 50... Air blower, 54... Stem and leaf processing device, 5
9...Pair of clamping and conveying belts, 59a...Inner part, 60...Supplier, 79...Cutter, 82...
...Onion transport device, a...onion, b...stems and leaves.

Claims (1)

[Scope of Claims] 1. A harvesting machine main body equipped with a traveling mechanism, an excavating body provided in the front part of the harvesting machine main body for digging up onions,
A conveyor is provided at the rear of the excavation body to transport onions carried in from the excavation body, and a foliage system that receives onions carried out from this conveyor and blows up the onion foliage to stand up vertically. a posture control device; a stem and leaf processing device that clamps and conveys the stems and leaves vertically erected by the stem and leaf posture control device; and a stem and leaf processing device that cuts the stems and leaves; an onion conveyance device that receives and conveys the onions, and the stem and leaf posture control device includes a generally cylindrical receiver that receives the onions, and a lower end of the receiver that is connected to the lower end of the receiver via a blowing conduit. The foliage processing device is equipped with a blower that supplies strong wind to float the onions in the receiver and to make the foliage of the onions stand up vertically. a pair of clamping conveyor belts that convey onions in a suspended state by clamping vertical stalks and leaves; a supply body that supplies vertically erected stalks and leaves between the inner parts of the pair of clamping conveyance belts; An onion harvesting machine characterized by comprising: a cutter for cutting stems and leaves that are pinched and conveyed between the inner parts of a pair of pinching and conveying belts.