JP2003047310A - Apparatus for cutting root part and leaf part in welsh onion harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a Welsh onion harvester for pressing a root part and a leaf part with pressing belts in a process for transporting each Welsh onion dug from a field with a transporting belt and cutting the Welsh onion with cutters. SOLUTION: This apparatus for cutting the root part and the leaf part comprises the following. (1) A transporting belt 15 carrying each Welsh onion in the width direction of the machine body 2 and transporting the Welsh onion is installed. Pressing belts 18 and 18a are provided at both side ends in the width direction of the transporting belt 15 for pressing the root part and the leaf part between the transporting belt 15 and the pressing belts 18 and 18a. The cutters 19 and 19a are arranged for cutting the root part and leaf part of the Welsh onion pressed with the pressing belts 18 and 18a on the outside of the transporting belt 15. (2) The transporting belt 15 transports the carried Welsh onion tilted in a posture of the root part on the underside and the leaf part on the upper side. (3) The cutters 19 are installed so as to tilt to the outside relatively to the moving direction of the transporting belt 15. (4) The pressing belts 18 and 18a press the inside part of the root part and the leaf part of the Welsh onion to be cut. The lateral shapes of the pressing belts 18 and 18a are formed into a boat shape so that the side of the leaf part of the same Welsh onion is pressed before the side of the root part and released before the side of the root part and the side of the root part is pressed after the side of the leaf part and released after the side of the leaf part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a root and leaf portion of a green onion harvesting machine in which a root and a leaf portion are pressed by a pressing belt and cut by a cutter in the process of conveying a green onion dug from a field in a conveyor belt. Regarding the cutting device.

[0002]

2. Description of the Related Art Conventionally, a traveling machine has a digging device for digging green onions vegetated in a field, a transport device for transporting the digged green onions, and a storage device for preparing and storing the transported green onions. A green onion harvester with and has been proposed by the applicant. In addition to a green onion harvester, a green onion preparation device for cutting and preparing roots and leaves from green onions dug out of a field (for example, Japanese Patent Laid-Open No. 11-075798).
No.) is proposed. Furthermore, in agricultural product harvesters other than green onions, as a cutting blade for cutting a leaf part, there is one that superposes the cut parts of two rotary disks and rotates at high speed.

[0003]

In the above-mentioned conventional green onion harvesting machine, an operator manually prepares the green onions transported by the transportation device and stores them in the storage device. There is a problem that a cutter device for cutting the leaf portion is not provided and it takes a lot of labor and time for manual preparation. Further, the leaf cutting blade in the onion preparation device has a problem that the cutting of the leaf portion is unstable because only one rotating disk is provided. Further, there is a problem that the structure in which two rotating discs are rotated at a high speed has a complicated structure, resulting in high production cost and heavy weight.

Therefore, in order to solve the above-mentioned problems, the present invention presses the root portion and the leaf portion with a pressing belt in the process of conveying the onion dug from the field in the conveying belt, and the root portion and the leaf portion are outside the conveying belt. It is an object of the present invention to provide a root / leaf cutting device in a green onion harvesting machine, which is capable of accurately cutting roots and leaves from each green onion by cutting with one cutter.

[0005]

In order to achieve this object, the present invention is characterized by having the following constitution.

A. On the traveling machine body, a digging device for digging the green onions vegetated in the field, a conveyor device for conveying the excavated green onions toward the rear of the machine body, and the roots and leaves of the green onions conveyed by the conveyor device. A green onion harvester comprising a root / leaf cutting device for cutting and a bundling device for selecting and binding the green onions from which the roots and leaves have been cut off. And a holding belt for holding the root and leaves of the green onion between the feeding belt and the feeding belt, which is placed on both ends in the width direction of the feeding belt, and is held by the holding belt. A root / leaf cutting device including a cutter for cutting the root and leaf of the green onion outside the conveyor belt is provided.

B. The conveyor belt was arranged so that the placed green onions were conveyed in a tilted manner with the roots downward and the leaves upward. C. The cutter for cutting the root of the green onion is arranged so as to be inclined outward with respect to the moving direction of the conveyor belt, and cuts the root of the green onion to the outside of the conveyor belt. D. The pressing belt is arranged at a position that presses the inner portion of the root and leaf of the green onion to be cut. E. The pressing belt is a side surface shape in which the leaf side of the same green onion is pressed before the root side and released before the root side, and the root side is pressed after the leaf side and released after the leaf side. Is formed in a boat shape.

[0008]

Function: A. ~ E. The root / leaf cutting device in the green onion harvester of the present invention having the structure of (claims 1 to 5) performs the following actions.

[0009]. The above A. With the above configuration, the onion is dug from the field by the dug device, and the root and the leaf are cut by the root / leaf cutting device in the process of transporting the dug onion toward the rear of the machine. Unite with. In the transfer device, the green onions are placed on the transfer belt in the width direction of the machine body and transferred, and the transfer belts are held while pressing the roots and leaves of the green onions by pressing belts provided at both widthwise ends of the transfer belt. The roots and leaves are cut and removed with a cutter on the outside of the.

[0010]. The above B. With the above configuration, the green onions placed on the conveyor belt are conveyed in an inclined posture with the roots downward and the leaves upward, with the roots aligned with the conveyor belt side ends, and the roots and leaves are cut by the cutter. It is cut accurately. ． The above C. With the configuration, the cutter for cutting the root of the green onion is inclined outward with respect to the moving direction of the conveyor belt,
Since the root of the green onion is cut toward the outside of the transport belt, the cut root is easily discharged to the outside of the transport belt, and the cut root is prevented from clogging the transport belt. ． The above D. With this configuration, the pressing belt presses the inner portion of the onion, which is to be cut, from the root portion and the leaf portion, so that the cutter can smoothly cut the root portion and the leaf portion. ． The above E. With this configuration, it is possible to balance the difference in cutting resistance between the root and the leaf by the cutter. Also,
Damage to the leaves of the green onion is reduced, and the roots are cut and transported smoothly.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be specifically described below with reference to the accompanying drawings. 10 to 1
In FIG. 3, reference numeral 1 is a green onion harvester, and a crawler 3, which makes a left-right pair on the body 2 and enables a spin (super-trust) turn,
Equipped with 3. Engine 4 on one side of aircraft 2
Is mounted, and a hydraulic device (not shown) driven by the engine 4 is mounted in the vicinity thereof. Between the crawlers 3 and 3, a transmission 5 including an unillustrated HST (hydraulic automatic transmission) is provided at a lower position near the rear of the machine body 2 so that the crawlers 3 and 3 are driven to change gears.

The crawlers 3 and 3 are adapted to drive the crawler belt 3b by the drive wheels 3a in the rear portion in the forward direction of the machine body 2 so that the crawler belt 3b travels, and presses the crawler belt 3b to the ground contact side to make a plurality of ground contact. A wheel frame 3d that supports the wheel 3c is supported by the pair of front and rear link members 3e so as to be vertically movable with respect to the frame of the machine body 2, and can be expanded and contracted between the wheel frame 3d and the frame of the machine body 2. A cylinder mechanism 3f is provided, and the grounding portion of the crawler belt 3b can be moved up and down around the drive wheel 3a by expanding and contracting the cylinder mechanism 3f.

From the front of the lower part of the machine body 2 between the crawlers 3 and 3 to the rear of the machine body 2 through the lower center part of the machine body 2, there is a digging blade 6 at the tip, and the digging blade 6 is continuously connected to the digging blade 6. A digging / conveying conveyor device 8 having an endless bar conveyor 7 is installed obliquely, in which the root of the green onion excavated by the digging blade 6 is placed in a vertical posture and is conveyed while being lifted. This digging
Located above the transport conveyor device 8 and having a length longer than that of the digging / transporting conveyor device 8, the stalks and leaves of the green onion excavated from the field by the digging blade 6 are sandwiched and conveyed in a vertical posture, A pair of left and right first holding and conveying belts 9 are provided. Below the transport end portion of the first nipping and conveying belt 9, the green onions conveyed by the first nipping and conveying belt 9 are received, and the stems and leaves are converted to the horizontal posture in the process of nipping and conveying in the vertical posture. A second holding and conveying belt 10 for discharging the sheet is disposed.

The rear end of the digging / conveying conveyor device 8 is pivotally supported on the machine body 2 so as to be rotatable in the up-down direction via a shaft. The digging / conveying conveyor device 8 is rotated up and down about the shaft by the expansion and contraction operation of the hydraulic cylinder 11 interposed therebetween. The front end portion of the first holding and conveying belt 9 is pivotally supported by the tip end portion of the link arm 12, and the rear end portion is pivotally supported by the machine body 2 via the link arm. When the base portion of the excavation / conveyance conveyor device 8 is rotated by the hydraulic cylinder 11 and the tip side is moved upward, the first holding and conveying belt 9 is also moved backward by the link arm 12 in conjunction with this. It has become. In addition, a soil removal rotor 1 that removes the soil of the green onions under the excavation / transportation conveyor device 8.
3 is arranged, behind the earth dropping rotor 13, the root of the onion root is loosened, and the earth removing drum 1 for removing the soil.
4 are provided.

The hydraulic cylinder 11 excavates
When the conveyer conveyor device 8 is rotated upward, the first holding and conveying belt 9 is moved rearward by the link arm 12 in conjunction with this, and the digging / conveying conveyor device 8 and the first holding and conveying belt 9 are separated from each other. There is no contact. Link arm 1
An elongated hole is provided between the tip of the second nipping and conveying belt 9 and the supporting position of the first nipping and conveying belt 9 is adjusted by adjusting the support position of the link arm 12 with respect to the elongated hole. Adjusted.

The second nipping and conveying belt 10 nips and conveys the stalks and leaves of the green onion at its starting end in a vertical posture, and in the course of the conveyance, the green onions are sequentially twisted from the vertical posture to the lateral posture to be slanted laterally. The posture is changed to a posture (approximately 45 degrees), and the sheet is discharged from the conveyance end portion. Below the discharge position, a feed belt (conveyance band) 15 is provided, which also serves as a workbench and places the green onions in the width direction of the machine body, and conveys the green onions discharged from the second holding and conveying belt 10. Prepared and cut the roots and leaves. Second pinching and conveying belt 1
Above the start end portion 0 of 0, a leaf portion conveyance belt 16 that supports and conveys a leaf portion of a green onion that is nipped and conveyed by the first nipping conveyance belt 9 and the second nipping conveyance belt 10 is provided. It is provided coaxially with the nip transport belt 10. The posture of the leaf transport belt 16 can be adjusted by a rotation adjusting mechanism about the support arm.

As shown in FIGS. 1 to 9, the feed belt 15 is an endless belt extending in the lengthwise direction of the machine body 2, and has a root portion along the side edge on which the root portion of the onion of the belt is placed. A feed screw drum 15a is provided. The feed belt 15 is inclined at an angle of about 20 degrees in a posture in which the side on which the root of the green onion is placed is down and the side on which the leaf is placed is up. Further, in the feed belt 15, when the green onions discharged from the end portion of the second holding and conveying belt 10 are disturbed, the worker aligns the width direction of the belt, and the rear end portion of the feed belt 15 on both left and right sides. The root and leaf cutting device 17 provided outside the end cuts the root and leaf. The root / leaf cutting device 17 is provided with pressing belts 18 and 18a having a sponge surface for pressing the root and leaves between the feeding belt 15 and cutters 19 and 19a made of a rotating disk.・ Leaf cutting device 17
Subsequently, a discharge belt 20, a sorting table 22 supported by a supporting table 21, a bundling table 23 and the like are provided. The feed belt 15, the cutters 19 and 19a, the pressing belts 18 and 18
a, the discharge belt 20 is powered by a power transmission system different from the power transmission system for transmitting power to the crawler 3, the excavation / transportation conveyor device 8, the first sandwiching transport belt 9, the second sandwiching transport belt 10, and the like. Transmitted.

The pressing belt 18 and the cutter 19 are
It is for cutting the rooted tip of the root of the green onion sent by the feed belt 15 and the root feed screw drum 15a, and the root cutting cutter 19 is powered by the high speed transmission device 34 to speed up. Rotate. Further, the root cutting cutter 19 is supported with an inclination of about 3 degrees outward with respect to the moving direction of the feed belt 15.
The root of the green onion is cut toward the outside of the feed belt 15. The root cutting cutter 19 can be moved and adjusted in the width direction of the feed belt 15 to adjust the cutting depth of the root.

The pressing belt 18a and the leaf cutting cutter 19a are for cutting the leaves of the green onion sent by the feed belt 15, and the leaf cutting cutter 19a.
The power a is transmitted by the low speed transmission device 34a and rotates at a low speed. The leaf cutting cutter 19a is provided with a guide plate 35 made of a synthetic resin, which is in contact with the side surface of the leaf cutting cutter 19a at a predetermined angle, and the leaf of the onion that is conveyed is cut by the leaf cutting cutter 19a. It is provided to guide the cutting position. Further, the guide plate 35 has a low tip end side,
It is inclined so that the rear end side becomes higher. The leaf cutting cutter 19a and the guide plate 35 are provided on the feed belt 15
It can be moved in the width direction. Then, the cutting length of the leaf portion is adjusted.

Further, the pressing belts 18 and 18a are arranged at positions for pressing the inner portions of the roots and leaves of the green onions cut by the cutters 19 and 19a. further,
As shown in FIGS. 3 and 4, the pressing belts 18 and 18a are pressed against the same green onion on the leaf side from the root side at the pressing start position P1 and released at the pressing release position P2 on the root side. , The root side is the pressing start position P1
At the release position P2
The side surface is formed in a boat shape so that it is released later than the leaf portion side. Also, the holding belts 18 and 18a
The pressing belt 18 is wider than the pressing belt 18a, has a sufficient pressing force, presses the root portion to convey and discharge the pressing belt 18a, and presses the pressing belt 18a so as not to damage the leaves. I'm making it small.

A control section 24, a step 25 for the operator, a seat 26, a step 27 for the operator, an auxiliary step 28, etc. are provided on the side of the machine body 2 opposite to the engine 4. Of these steps, the operator rides on the step 27 for the operator, but the supporting arm 26a of the seat 26 has the support arm 26a so that the operator sitting on the seat 26 can also work. It can be turned freely so that it can face the control section 24 or the work table 15. Further, the seat of the seat 26 has a structure that can be tilted back and forth so that an operator (operator) can work while sitting or standing.

From the left and right frames of the excavating / conveying conveyor device 8 toward the front, a pair of left and right support arms 2
9 and 29 are projected, and a pair of ground wheels 30 and 30 rollingly contacting both inclined shoulders of the green onion ridge to be harvested are opposed to and axially supported by the tips of the support arms 29 and 29. The wheels 30 and 30 are the excavation / transport conveyor device 8
It also functions as a ridge tracking device that follows the length of the green onion ridges to be harvested along with the movement of the machine body. The vertical adjustment cylinder 31 adjusts the digging / conveying conveyor device 8 vertically. It is supported by a lateral movement adjusting mechanism 30a so that the lateral movement can be adjusted. In addition, the pair of wheels 30, 30 have a camber angle and rotate in contact with both inclined shoulders of the green onion ridge to be harvested so that the machine body can be steered and moved following the green onion ridge to be harvested. ing. A ridge collapsing disk 32 for collapsing the shoulder of the ridge is supported by a support arm 29 between the wheel 30 and the tip of the digging / conveying conveyor device 8, and the vertical and horizontal movement adjusting mechanism 32a adjusts the vertical and horizontal movements. It is possible.

In the transmission 5 that receives power from the engine 4 to change gears, the hydraulic continuously variable transmission (HST) continuously changes the speed. It is designed to be able to output gears stepwise. Then, power transmission is connected through a side clutch and a differential device,
Cut off and move the crawlers 3 and 3 continuously and stepwise,
It also enables spin rotation (super-intelligence rotation). Further, the transmission power is transmitted from the transmission 5 to each working unit, and the rotation speed of the transmission unit can be continuously and steplessly adjusted. By combining them, the mining work speed can be set freely.

The control section 24 is provided with a main speed change lever 33 for switching the forward movement, neutral movement and reverse movement of the crawlers 3 and 3. When the main shift lever 33 shifts to the neutral / reverse side, the shift operation causes the feed belt 15,
Root feed screw drum 15a, pressure belts 18,1
8a, the cutters 19, 19a, and the discharge belt 20 are interlocked to stop driving.

Next, the operation of the onion harvester 1 of the embodiment constructed as described above will be described. The green onion harvester 1
When the green onions are harvested from the field, the crawlers 3 and 3 are positioned between the ridges of the green onion ridges to be harvested, and the ground wheels 30 and 30 are brought into contact with the inclined both shoulders of the onion ridges so that the digging / conveying conveyor device 8 can be operated. The excavation blade 6 is vertically moved by the hydraulic cylinder 11 to adjust the excavation depth, the ridge is collapsed by the forward movement of the machine body, the ridge is collapsed by the disc 32, and the green onion is excavated by the excavation blade 6 from below together with the ridge soil. The root is placed on the bar conveyor 7 and the soil attached to the rhizome is dropped and conveyed obliquely upward in the machine body. Simultaneously with this transportation, the foliage of the green onion is clamped by the first clamping transport belt 9 and transported without being damaged. When the ridges on which the crawlers 3 and 3 run have a left-right inclination, one of the crawlers 3 and 3 is adjusted up and down to hold the machine body in a horizontal state for running.

When the green onions conveyed in a vertical position by the bar conveyor 7 and the first sandwiching and conveying belt 9 reach the end of the bar conveyor 7, the earth-removing rotor 13 rolls on the roots of the green onions, The soil attached to the rhizome is removed. When the green onions move further, the roots of the roots are dropped and loosened by the drum 14, some roots are cut off, and the remaining soil is further removed. Then, the green onions are the first holding and conveying belt 9
Immediately before being discharged from the end of the sheet, the foliage portion is sandwiched by the second sandwiching and conveying belt 10 and transferred, and the leaf portion is conveyed by the leaf portion conveying belt 16 to the end of the second sandwiching and conveying belt 10. In the horizontal position, the feed belt 15
Discharged on top.

The green onions discharged onto the feed belt 15 are the worker standing on the worker step 27 or the seat 26.
When the discharged green onions are disturbed by the operator (worker) sitting on the floor (or standing at the seat 26), the roots are aligned and the holding belts 18 and 18a and the cutters 19 and 19 are aligned.
It moves toward a and the roots and leaves are cut. And
The discharge belt 20 collects almost a predetermined amount on the sorting table 22 and binds it on the binding table 23. Of course, the green onions of the sorting table 22 and the binding table 23 may be packed in a bag or housed in a container. When the main gearshift lever 33 is shifted to the neutral / reverse side to stop the traveling (or work) of the onion harvester 1 or to move it backward, the feed belt 1
5, root feed screw drum 15a, pressing belt 1
Power transmission to 8, 18a, cutters 19, 19a, and discharge belt 20 is stopped, and safety is ensured.

Here, the green onion harvester 1 has crawlers 3 and 3.
By the stepless or stepped variable speed running and the stepless or stepped variable speed rotation of each rotating part, it is possible to select an appropriate moving speed and rotating speed according to the field condition and the crop condition, and the work accuracy is high and the efficiency is high. Good harvesting work is done. Further, the crawlers 3 and 3 are capable of spin turning (super-inclination turning), and the hydraulic cylinder 11 allows the excavation / conveying conveyor device 8, the first nipping and conveying belt 9, the second nipping and conveying belt 10, and the leaf portion. By rotating the conveyor belt 16, the grounding wheel 30, the ridge-breaking disc 32, etc. upward, the overall length of the machine body 2 is shortened and a stable spin rotation is performed on a headland, etc., and one rotation is performed to move to the next harvest ridge. can do.

Further, in front of the digging / conveying conveyor device 8, grounding wheels 30, 30 are provided which follow the movement of the machine body along the length direction of the green onion ridge to be harvested. On the other hand, since the vertical adjustment cylinder 31 supports the vertical adjustment and the horizontal movement adjustment mechanism 30a supports the left and right movements, both wheels 30 accurately follow the onion ridges to be harvested to automatically steer the machine. , Automatic excavation by the digging / conveying conveyor device 8 and the first holding and conveying belt 9 and the second holding and conveying belt 10.
Transport is performed. Therefore, the operator can spend most of the time on the green onion preparation work, except for the machine steering operation at the ridge end of the green onion ridge to be harvested.

[0030]

As described above, according to the root / leaf cutting device of the onion harvester of the present invention, the following effects can be achieved.

.. On the traveling machine body, a digging device for digging the green onions vegetated in the field, a conveyor device for conveying the excavated green onions toward the rear of the machine body, and the roots and leaves of the green onions conveyed by the conveyor device. Since it is equipped with a root / leaf cutting device for cutting and a binding device for selecting and binding the green onions from which the roots and leaves have been cut off, the green onions were dug and dug by a dug device. In the process of conveying the green onions toward the rear of the machine, the roots and leaves can be cut by the root / leaf cutting device, selected, and then bound by the binding device. Further, the transport device is provided with a transport belt for placing and transporting green onions in the width direction of the machine body, and is provided at both end portions in the width direction of the transport belt, and the roots and leaves of the green onions are provided between the transport belt and the transport belt. Since the pressing belt for pressing and the root / leaf cutting device consisting of a cutter for cutting the roots and leaves of the green onions pressed by the pressing belt are provided on the outside of the conveying band, the conveying device uses the green onions on the conveying band. It is placed and conveyed in the width direction of the machine body, and while pressing the roots and leaves of the green onion with the holding belts provided at the widthwise both ends of the conveyance belt, the roots and leaves are cut by the cutter on the outside of the conveyance belt. It can be cut and removed.

.. The conveyor belt is arranged so that the onions placed on the conveyor belt are inclined and conveyed in a posture in which the root portion is downward and the leaf portion is upward. The root portion is conveyed in an inclined posture with the leaf portion upward, and the root portion and the leaf portion can be accurately cut by the cutter. ． The cutter that cuts the root of the green onion is arranged so as to incline outward with respect to the moving direction of the conveyor belt, and cuts the root of the onion toward the outside of the conveyor belt, so the cut root is outside the conveyor belt. It becomes easier to discharge the cut-out root portion, and it is possible to prevent the cut root portion from being clogged in the conveying belt. ． Since the pressing belt is arranged at a position that presses the inner portion of the root and leaf of the green onion to be cut, the root and leaf can be smoothly cut by the cutter. ． The pressing belt has the same side shape so that the leaf side of the same green onion is pressed before the root side and released before the root side, and the root side is pressed after the leaf side and released after the leaf side. Since it is formed in a boat shape, the cutting resistance of the root part and the leaf part due to the cutter is different, but it can be adjusted in a balanced manner by the pressing belt, the damage to the leaf part is reduced, and the cutting and transportation of the root part is smooth. It can be carried out.

[Brief description of drawings]

FIG. 1 is a partial plan view of a main part according to the present invention.

FIG. 2 is a partial plan view of a pressing belt.

FIG. 3 is a partial side view of a root pressing belt and a conveyor belt.

FIG. 4 is a partial side view of a leaf pressing belt and a conveyor belt.

FIG. 5 is a side view of a leaf pressing belt, a leaf cutting cutter, and a conveyor belt.

FIG. 6 is a side view of a root pressing belt, a root cutting cutter, and a conveyor belt.

FIG. 7 is a plan view of a pressing belt, a cutter, and a conveyor belt.

FIG. 8 is a rear view of the same.

FIG. 9 is a partial plan view of a root cutting cutter, a conveyor belt, and a root feeding screw drum.

FIG. 10 is an overall right side view of a green onion harvester to which the present invention has been applied.

FIG. 11 is a left side view of the same.

FIG. 12 is a plan view of the same.

FIG. 13 is a rear view of the same.

[Explanation of symbols]

1 Leek Harvester 2 Body 3 Crawler 3a Drive Wheel 3b Crawler Track 3c Grounding Roller Wheel 3d Roller Frame 3e Link Member 3f
Cylinder mechanism 4 Engine 5 Transmission 6 Digging blade 7 Endless bar conveyor 8 Digging / transporting conveyor device 9 1st clamping transport belt 10 2nd clamping transport belt 11 Hydraulic cylinder 12 Link arm 13 Soil drop rotor 14 Soil drop Drum 15 Feed belt (conveying belt) 15a Root feeding screw drum 16 Leaf conveying belt 17 Root / leaf cutting device 18 Root holding belt 18a Leaf holding belt 19 Root cutting cutter 19a Leaf cutting cutter P1 Pressing start position P2 Press release position 20 Ejection belt 21 Support base 22 Sorting base 23 Bundling base 24 Control section 25 Operator's step 26 Seat 24a Support arm 27 Operator's step 28 Auxiliary step 29 Wheel support arm 30 Grounding wheel 30a Left and right movement adjustment mechanism 31 Up and down Adjustment cylinder 32 Ridge disc Guide plates consisting 2a vertical and horizontal movement adjustment mechanism 33 main speed change lever 34 fast transmission 34a low speed transmission device 35 synthetic resin

Continued front page    (72) Inventor Minoru Oda             684 Nakamune, Okayama City, Okayama Prefecture             In the company F term (reference) 2B072 AA08 BA03 BA27 CA20 DA02                       DA12

Claims (5)

[Claims] 1. A digging device for digging a green onion vegetated in a field, a transport device for transporting the digged green onion toward the rear of the fuselage, and a green onion transported by the transport device. A onion harvester equipped with a root / leaf cutting device that cuts roots and leaves, and a binding device that binds the green onions from which the roots and leaves have been cut off, and a binding device that comprises: A conveyor belt for mounting and transporting green onions in the width direction of the machine body, and provided on both side ends of the conveyor belt in the width direction,
A pressing belt that presses the roots and leaves of the green onion between the conveyor belt and a root / leaf cutting device that consists of a cutter that cuts the roots and leaves of the green onions pressed by the pressing belt outside the conveyor belt. A root / leaf cutting device in a green onion harvester characterized by being provided. 2. The conveyor belt is arranged so that the placed green onions are inclined and conveyed in a posture in which a root portion is downward and a leaf portion is upward. Root / leaf cutting device for green onion harvester. 3. The cutter for cutting the root of the green onion is arranged so as to be inclined outward with respect to the moving direction of the conveyor belt, and cuts the root of the green onion toward the outside of the conveyor belt. The root / leaf cutting device in the green onion harvester according to claim 1. 4. The root part of the onion harvester according to claim 1, wherein the pressing belt is arranged at a position that presses the inner part of the root and leaf of the green onion to be cut. -Leaf cutting device. 5. The pressing belt is such that the leaf side of the same green onion is pressed before the root side and released before the root side, and the root side is pressed after the leaf side and released after the leaf side. 5. The root / leaf cutting device in a green onion harvester according to claim 1, 2, 3 or 4, wherein the side surface is formed into a boat shape.