JP2001231529A - Farm working machine for scaly bulb vegetable - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a farm working machine for scaly bulb vegetable capable of cutting the root T3 of an onion T with a root cutting means in high accuracy. SOLUTION: The machine is provided with a transporting means 15 to transport the onion T in a posture directing the root T3 upward. A root raising part 17 to raise the dangled root T3 of the onion T under transportation with the transporting means 15 is placed above the transporting means 15. A root cutting means 18 for cutting the root T3 of the onion T under transportation with the transporting means 15 is positioned at the downstream side of the root raising means 17. A guiding means 131 to guide the raised root T3 toward the root cutting means 18 while keeping the state of the root T3 raised by the root raising means 17 is positioned between the root cutting means 18 and the root raising means 17.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an agricultural machine for bulb vegetables that can cut the roots of bulb vegetables with high accuracy.

[0002]

2. Description of the Related Art Heretofore, the cutting of stems and roots of bulb vegetables such as onions has been performed manually by an operator. That is, an operator holds the substantially spherical real part of the bulb vegetable with one hand, and cuts the stem and root of the bulb vegetable with scissors or the like held in the other hand.

[0003]

However, such a manual operation is a heavy labor and has a problem that the operation efficiency is extremely poor. Therefore, the development of an agricultural working machine for bulb vegetables that automatically performs this cutting operation is in progress.

[0004] As an agricultural working machine for bulb vegetables, for example, an agricultural working machine for bulb vegetables having the following configuration has been considered.

[0005] That is, this agricultural machine for bulb vegetables includes a transport means for transporting the bulb vegetables in a posture in which the roots are directed upward, and removes the dripping roots of the bulb vegetables being transported by the transport means. Root raising means is provided. A root cutting means for cutting the roots of the bulb vegetables being conveyed by the conveying means is disposed downstream of the root raising means.

However, in the agricultural work machine for bulb vegetables having this configuration, the root raising means and the root cutting means may have to be set apart from each other. In this case, depending on the bulb vegetables, the root raising means may be required. Even if the root is in the upright state, the root returns to the original drooping state due to gravity or the like until it reaches the cutting position of the root cutting means, so the root cutting means removes the roots of bulb vegetables. There is a problem that cutting may not be performed with high accuracy.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide an agricultural working machine for bulb vegetables that can cut the roots of bulb vegetables with high precision by root cutting means.

[0008]

According to a first aspect of the present invention, there is provided a bulb vegetable farming machine having a transporting means capable of transporting bulbous vegetables in a posture in which a root is directed upward and a position facing the transporting means. Provided, a root raising means for raising the hanging root of bulb vegetables being transported by the transporting means, and a bulb vegetable being transported by the transporting means, disposed at a position downstream of the root raising means. Root cutting means for cutting the root portion of the root portion, and disposed between the root cutting device and the root raising portion, and the standing state of the root portion raised by the root raising portion is maintained. And a guide means for guiding the root portion at the above to the root cutting means.

[0009] In this configuration, the guide means located between the root cutting means and the root raising means is in this raised state while maintaining the raised state of the root raised by the root raising means. Since the root is guided toward the root cutting means,
The root cutting means can cut the roots of bulb vegetables accurately with the root cutting means, while preventing the roots raised by the root raising means from returning to the original hanging state due to gravity or the like.

According to a second aspect of the present invention, there is provided the agricultural working machine for bulb vegetables according to the first aspect, wherein the guide means has a guide start end located at a position near the root-raising means and a guide end. While the part is located at a position facing the root cutting means and spaced apart from each other, and contacts both sides of the root raised by the root raising means, while maintaining the standing state of the root, It has a pair of elongated guides that guide the root in the upright state from the guide start end toward the guide end.

In this configuration, the guide body contacts both sides of the root raised by the root raising means to maintain the raised state of the root, and moves the root in the raised state to the guide starting end side. Since it is guided toward the guide end side from, the root cutting means is effectively prevented from returning to the original hanging state due to gravity etc. The roots of bulb vegetables can be cut accurately and accurately.

The agricultural working machine for bulb vegetables according to claim 3 is the agricultural working machine for bulb vegetables according to claim 2, wherein the guide body has a size of the real part of the bulb vegetable by pressing by the bulb vegetables during transportation. It is movably supported accordingly.

[0013] In this configuration, since the guide body moves in accordance with the size of the real part of the bulb vegetables due to the pressing by the bulb vegetables during transportation, the real part of each bulb vegetable differs in size. Even in this case, it is possible to appropriately maintain the standing state of the root without damaging the real part, and it is possible to reliably and precisely cut the root of the bulb vegetables by the root cutting means.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of a bulb vegetable agricultural working machine according to the present invention will be described below with reference to the drawings.

1 to 4, reference numeral 1 denotes an airframe. The airframe 1 is formed in a substantially rectangular parallelepiped shape having a longitudinal direction in the horizontal direction. An operation unit 2 is protruded, and the operation unit 2 is provided with a plurality of push button switches 3.

A traveling portion 5 is provided at a corner of the lower surface of the body 1, and the traveling portion 5 has rotatable wheels 6, and the entire body 1 is moved by the rotation of the wheels 6. I do.

Further, a supply section 7 is provided on the upper part of the body 1, and the supply section 7 has a stem portion T2 and a root portion T2.
Onion T as a bulb vegetable with 3
It is configured to be able to continuously supply one by one to ten.

On the other hand, at one end in the longitudinal direction of the body 1, an inlet 11 is formed so as to open upward, and at the other end in the longitudinal direction opposite to the inlet 11, it faces the other side. A discharge path 12 is formed at the inside of the machine body 1, and a transfer path portion connecting the input port 11 and the discharge port 12 is formed inside the body 1.
13 are provided.

In addition, a transport path section is provided inside the body 1.
Roller conveyor for bulb vegetables as conveying means along 13
15 are arranged, and the roller conveyor 15 for bulb vegetables is provided.
Is located at a lower position in the body 1 from one end to the vicinity of the other end in the longitudinal direction of the body 1. The outlet
A discharge chute 14 is connected to 12.

Further, inside the body 1, facing means is provided at a position facing the roller conveyor 15 for bulb vegetables.
16, root raising means 17, root cutting means 18, roll prevention means
19, stalk cutting means 20 and the like are provided.

Here, the supply section 7 has a placing section 21 on which a plurality of onions T having a stem section T2 and a root section T3 can be placed. The mounting portion 21 has a flat, elongated rectangular plate-shaped mounting bottom plate 22 along the horizontal direction of the body 1, and one edge of the peripheral edge of the mounting bottom plate 22 along the width direction. The side plate 23 is provided upright at a portion other than.

As shown in FIGS. 5 and 6, from the one end edge of the mounting bottom plate 22 in the longitudinal direction, a transfer inclined plate 25 is formed which is inclined downward toward the front end. The onion T is conveyed by the conveying inclined plate 25 while being rolled obliquely downward by its own weight. The transfer inclined plate 25
On one side edge side, a guide side plate 26 is erected vertically so that the onion T is prevented from being directly injected into the insertion port 11 by the guide side plate 26.

On the other hand, as shown in FIGS. 5 and 6, the supply section 7 is a supply belt as supply means for sequentially supplying onions T one by one toward the inlet 11 at predetermined intervals. A conveyor 31 is provided. The supply belt conveyor 31 is located at one longitudinal end of the machine body 1 along the width direction of the machine body 1, and is capable of transporting the onion T in a horizontal direction from one end of the machine body 1 in the width direction to the other end. The feed end of the supply belt conveyor 31 faces the inlet 11.

The supply belt conveyor 31 has a conveyor drive pulley 32 and a conveyor driven pulley 33 which are separated from and opposed to each other and rotate about a rotation center axis which coincides with the horizontal direction along the longitudinal direction of the machine body 1. And
An endless revolving body 35 for supply, which is made of a rubber material or the like and is elastically deformable, is wound between the conveyor driving pulley 32 and the conveyor driven pulley 33 which are the rotating bodies.

Further, on the outer surface of the supply endless revolving body 35, a large number of elongated partition pieces 36 having a longitudinal direction in the horizontal direction perpendicular to the revolving direction are provided with the endless revolving body 35 for supplying. Projections are formed at equal intervals along the row direction, and one onion T is located between the adjacent partition pieces 36. Then, the onion T carried out from the transport end portion of the supply belt conveyor 31 is thrown into the machine body 1 through the input port 11, and falls by its own weight toward the transport start end portion of the bulb vegetable roller conveyor 15.

On the other hand, as shown in FIG. 5, the supply section 7 is provided with a pair of guide elastic plates 40a and 40b made of rubber or the like.
And one of the pair of guide elastic plates 40a, 40b located at the front side of the body 1 of the pair of guide elastic plates 40a, 40b.
a is formed in a curved rectangular shape. The other guide elastic plate 40b is formed in a flat rectangular shape along a vertical plane, and the guide elastic plate 40b is connected to the supply belt conveyor.
31 is located below. The pair of guide elastic plates 40a and 40b guide the onion T supplied from the input port 11 toward the conveyance start end of the bulb vegetable roller conveyor 15.

The above-mentioned roller conveyor 15 for bulb vegetables transports the onion T along the transport path 13 while pulling the stem T2 of the onion T downward with the root T3 of the onion T facing upward. Things.

The roller conveyor 15 for bulb vegetables is shown in FIG.
As shown in FIG. 9, a pair of cylindrical roller base portions 42, 42 made of, for example, a synthetic resin are provided so as to be spaced apart from each other via a stem drawing gap 40. The pair of roller base portions 42 are attached to the horizontal rotating shaft 41 such that the pair of roller base portions 42 rotate in opposite directions to each other, that is, the opposing surfaces are synchronously driven and rotated in a direction from top to bottom.

On each of the outer peripheral surfaces of the pair of roller base portions 42, an elastic transporting ridge member 43 as a helical transporting projection, for example, made of a rubber strip is fixedly attached. . The vertical cross section of the elastic transporting ridge member 43 is formed in a substantially trapezoidal shape, and the pitch between the spirals of the elastic transporting ridge member 43 is a pitch at which the onion T can be transported.

Further, on the outer peripheral surface of the roller base portion 42, for example, an elongated belt-shaped spiral member 45 made of rubber is formed.
Are fixedly mounted along the elastic transporting ridge member 43 in a state where they are aligned with the elastic transporting ridge member 43. On the outer surface of the band-shaped member 45, a number of facing elastic projections 46 are provided.
Are integrally formed so as to protrude at intervals from each other along the longitudinal direction of the belt-shaped member 45. The facing elastic projections 46 are formed in a plurality of rows, for example, two rows, and each facing elastic projection 46 has a truncated conical shape whose diameter is reduced toward the distal end side. Then, these many opposing elastic projections 46 engage with the stem portion T2 of the onion T, and as a result, the onion T
Is changed to a predetermined positive direction. The predetermined positive direction is a direction in which the stem portion T2 of the onion T faces downward.

A portion of the outer peripheral surface of each of the roller base portions 42 other than the elastic transporting ridge member 43 and the band-shaped member 45 is formed of, for example, a rubber-shaped or synthetic resin-made elongated band-shaped helical elastic member. A recess 48 is formed. The elastic pull-in portion 48 is formed by attaching a band member made of, for example, a soft material having elasticity, that is, a cushion material, a sponge material, or the like to the exposed surface of the roller base portion 42. In addition, the elastic retraction portion 48 has a brush-like band member on the surface, that is, a band member on the surface of which animal hair, plant fiber, or soft hair made of synthetic resin is planted on the exposed surface of the roller base portion 42. It may be formed by sticking, or such soft hair or the like may be directly planted on the exposed surface of the roller base portion 42.

Then, as shown in FIG. 9, the elastic retracting portion 48 is rotated together with the roller base portion 42, thereby clamping the stem portion T2 of the onion T in a biting state by elastic deformation on the opposing surfaces. Meanwhile, the stem portion T2 of the onion T is drawn into the stem drawing gap 40. That is, a downward force acts on the stem T2 from the contact portion of the elastic retraction portion 48 with the stem T2, so that the base end side of the stem T2 is
It is drawn into the stem pull-in gap 40 with a relatively strong pulling force.

On the other hand, a facing elastic body 49 is vertically arranged at an upper position near the starting end of the roller conveyor 15 for bulbs and vegetables as shown in FIGS. . The facing elastic body 49 is formed into a rectangular plate shape with a rubber material or the like, and the distal end side is configured to be easily elastically deformable.
49a are formed. And this facing elastic body 4
9 is a substantially spherical real part T1 of an onion T facing an incorrect direction during transportation by the roller conveyor 15 for bulb vegetables.
As a result, the direction of the onion T is changed to a predetermined positive direction. The facing elastic body 49, the facing elastic projection 46, and the like constitute the facing means 16.

As shown in FIGS. 1 and 4, the root raising means 17 is rotated in opposite directions, that is, synchronously driven and rotated in the direction in which the opposing surfaces are directed upward from below. It has a pair of root-raising rotary brushes 50, 50 for raising a drooping root portion T3 of the onion T being conveyed by the roller conveyor 15 for bulb vegetables.

Each of the pair of root raising rotary brushes 50 has an inclined rotating shaft 51.
Is rotatably supported by the shaft support plate 51a, and is located above the corresponding roller base 42 in a state of being inclined downward from the base end to the tip end. Note that the tilt rotation axis
51 is a roller conveyor 15 for bulb vegetables from the distal end side to the distal end side.
Is located upstream of the transport. In addition, this inclined rotation shaft 51
A number of elastically deformable root raising hairs 52 made of a synthetic resin or the like are implanted in a columnar shape. These numerous root raising hairs 52 are used as a roller conveyor 15 for bulb vegetables.
Contact with the hanging root portion T3 of the onion T being conveyed, and as a result, the root portion T3 of the onion T is raised substantially linearly,
You will be standing.

The root cutting means 18 is adapted to raise the pair of roots and turn on the onion T conveyed from the rotating brush 50 in a state where the roots are directed in a predetermined forward direction by the roller conveyor 15 for bulb vegetables.
Is cut at the root T3.

As shown in FIG. 1 and FIG. 2, the root cutting means 18 has a blade mounting rotary shaft 101 whose axial direction coincides with the vertical direction. It is rotatably held at 101a, and is located above the roller conveyor 15 for bulb vegetables. The blade mounting rotary shaft 101 can be moved up and down in accordance with the size of the real part T1 of the onion T. Also, this blade mounting rotary shaft 101
A thin-plate-shaped root blade 102 along the horizontal plane is fixedly attached to the lower end which is the tip of the onion. The root T3 of the onion T is cut at a predetermined position by the rotating root blade 102. You.

On the other hand, as shown in FIGS. 1 and 4, the root cutting means 18 comes into surface contact with the left and right shoulders above the real part T1 of the onion T and has a predetermined size downwardly facing the onion T. While applying force, the real part T1 of the onion T is sandwiched together with the roller conveyor 15 for bulb vegetables, and has a pair of endless revolving bodies 104, 104 for maintaining the attitude of the onion T.

The pair of posture maintaining endless revolving bodies 104
Are arranged so as to be able to circulate in a state where they are separated from each other by a predetermined distance. The possible distance.

Each endless endless revolving body 104 is wound around a plurality of rotating pulleys 105 and a number of driven pulleys 106 in a tensioned state with an appropriate slack. The root blade 102 is located at an inner position of the endless revolving body 104 for holding each posture.

As shown in FIG. 8, the axial direction of the endless revolving body 104 for each of the attitude holdings coincides with the direction intersecting with the revolving direction of the endless revolving body for the attitude holding 104. The pressing roller 105a is located at a position upstream of the root blade 102. The pressing roller 105a is attached to a distal end portion of an arm body 106 rotatable around a support shaft 107 at a base end portion, and is urged toward the outward path surface 104a by urging means (not shown).

Then, the pressing roller 105a
The onion T is pressed against the upper surface which is the inner surface of the onion 4a, and moves up and down in accordance with the size of the real part T1 of the onion T based on the pressing by the onion T being conveyed by the roller conveyor 15 for bulb vegetables. As a result, the endless revolving body 104 for holding the posture is formed by the real part T1 of the onion T.
Even if the sizes of the onions T are different, the real part T1 of the onions T is sandwiched together with the bulb conveyor 15 for the vegetable and vegetable, and the posture of the onions T is securely held. The endless revolving body for holding each posture
When the drive pulley 105 is driven, the transporter 104 rotates while maintaining a constant ratio with the transport speed of the roller conveyor 15 for bulb vegetables.

On the other hand, between the root blade 102 of the root cutting means 18 and the rotary brush 50 raised by the root of the root raising means 17,
As shown in FIGS. 4 and 8, the root T3 in the raised state is cut by the root blade 102 of the root cutting means 18 while holding the root T3 raised by the root raising rotary brush 50. Guide means 131 for guiding to the position is provided, and the guide means 131 is provided on the roller conveyor 1 for the bulb vegetables.
5 is located above.

The guide means 131 has a support shaft 132 whose axial direction coincides with the horizontal direction intersecting the conveying direction of the roller conveyor 15 for bulbs and vegetables.
Thereby, a pair of parallel guide rods 130, 130 facing each other are supported so as to be movable in accordance with the size of the real part T1 of the onion T by being pressed by the onion T being conveyed. Note that the support shaft 132 is located at a height position that does not interfere with the onion T.

Here, each of the pair of guide rods 130 is formed in the shape of an elongated rod having a longitudinal direction along the transport direction of the roller conveyor 15 for bulb vegetables, and substantially in the longitudinal direction in the transport direction. At the center, the tip side is slightly bent upward and has a substantially U shape.

The base end of each guide rod 130 is rotatably connected to a position near the center of the support shaft 132 in the axial direction, and each guide rod 130 rotates around the base end. The tip moves up and down. Further, the guide start end, which is the base end of each guide rod 130, is located near the tip of the rotating brush 50 with the root raised, and the guide end that is the distal end of each guide rod 130 is the root blade 102. It is located near. Further, as shown in FIG. 4, each guide rod 130 is located along a gap between the pair of endless revolving bodies 104 for holding posture.

Then, as shown in FIGS. 8 and 9, when each onion T is conveyed by the bulb-and-vegetables roller conveyor 15, the guide rods 130 are raised by the root raising means 17 and the rotating brush 50. By contacting both sides of the raised root portion T3, while maintaining the standing state of the root portion T3 from both sides,
The root T3 in the upright state is guided from the guide start end side to the guide end side to a position near the root blade 102. When the root portion T3 of the onion T is pressed by the guide rods 130 from the left and right sides in the transport direction, the root portion T3 does not return to the original hanging state due to gravity or the like.

Further, when each guide rod 130 comes into contact with the left and right shoulder surfaces above the real part T1 of the onion T being conveyed,
As shown by the solid line in FIG. 8, the distal end rotates in the ascending direction, and the upright state of the root portion T3 is held in this rotated substantially horizontal posture. When the guide bar 130 is separated from the shoulder of the real part T1 of the onion T, it returns to its original state by gravity as shown by the two-dot chain line in FIG.

The anti-rolling means 19 is attached to the real part T1 of the onion T which is conveyed from the pair of root-raising rotary brushes 50 while being directed in a predetermined positive direction by the bulb vegetable roller conveyor 15. It is intended to prevent the real part T1 of the onion T from swaying at the root cutting position by the root blade 102 in contact therewith.

The anti-rolling means 19 is provided in FIGS.
As shown in FIG. 7, a roll prevention elastic body 151 made of a sponge-like material such as a sponge or a soft rubber material is provided. The anti-rolling elastic body 151 has an elongated rectangular and vertical plate-shaped mounting substrate portion 152 having a longitudinal direction in the horizontal direction, and the mounting substrate portion 152 is provided with the root blade 10.
2 and the roller base 42.

On the surface side of the mounting board portion 152, a large number of, for example, four working pressure contact portions 153 are formed integrally at an equal interval and protrude in an inclined manner toward the transport locus side of the onion T. ing. And, this working pressure contact portion 153
The onion T is pressed against the vertically central side surface of the substantially spherical real part T1 of the onion T being conveyed by the bulb vegetable roller conveyor 15, so that the onion T is effectively prevented from rolling.

The stalk cutting means 20 cuts the stalk T2 of the onion T, the root T3 of which is conveyed in a predetermined positive direction by the bulb vegetable roller conveyor 15, and the stalk T2. Are discharged to the discharge port 12.

As shown in FIGS. 1, 2 and 4, the stalk cutting means 20 is rotated in opposite directions, that is, a pair of synchronously rotating surfaces facing each other is directed to the discharge port 12 side. Rotating supports 171a and 171b.

Each of the pair of rotary supports 171a and 171b is located close to the transport end of the bulb vegetable roll conveyor 15 in a state of facing each other. Also,
On the upper surface of each of the rotary supports 171a and 171b, substantially spherical crown-shaped disks 172, 172 are formed, and the disks 172 support the onion T mounted thereon.

Further, the pair of rotary supports 171a,
A disk-shaped stalk blade 173 is horizontally fixed to the shaft of one of the rotary supports 171a located on the front side of the body 1 of the body 171b. An annular body 174 is horizontally fixed to the shaft of the other rotating support 171b.
3 and the annular body 174 are urged in a direction approaching each other by urging means (not shown) and are in pressure contact with each other.

The stem blade 173 is connected to the stem blade 17.
When rotating in a state where 3 and the annular body 174 are pressed against each other,
The stem portion T of the onion T is located between the stem portion blade 173 and the annular body 174.
When 2 is introduced, the stem portion T2 of the onion T is cut at a predetermined position by the stem blade 173, and the cut onion T is discharged toward the discharge port 12.

On the other hand, the power transmission mechanism in the working unit 10 will be described. In FIGS. 1 to 4, reference numeral 181 denotes a first drive motor as first drive means. Is transmitted to the conveyor driving pulley 32 of the supply belt conveyor 31 via first transmission means 182 constituted by a chain transmission or the like, and the rotating shaft 41 of the bulb vegetable roller conveyor 15 is transmitted. And the driving pulley 105 of the root cutting means 18
Is transmitted to Reference numeral 183 denotes a second driving motor as a second driving means. The driving force from the second driving motor 183 is transmitted through a second transmission means 184 constituted by a chain transmission or the like. The rotation is transmitted to the inclined rotating shaft 51 of the rotating brush 50.

Further, reference numeral 185 denotes a third driving motor as third driving means. The driving force from the third driving motor 185 is supplied to a third transmission motor having a torque transmitting flexible shaft and the like. The blade mounting rotary shaft of the root cutting means 18 through the means 186
Communicated to 101. Reference numeral 187 denotes a fourth drive motor as fourth drive means.
Is transmitted to the shaft of the other rotary support 171b of the stem cutting means 20 via a fourth transmission means 188 constituted by a belt transmission or the like.

Next, the operation of the embodiment will be described.

The stem T2 and the root T3, which are the work objects,
Are mounted on the mounting portion 21 of the machine body 1. In addition, the onion T which is the work target is one immediately after the harvest, or one that is dried by air-drying after the harvest.

Then, when the worker P performs the cutting operation, the push button switch 3 of the operation unit 2 is turned on to operate the first to fourth drive motors 181, 183, 185, 187. The driving force from the first driving motor 181 causes the supply endless revolving body 35 of the supply belt conveyor 31 to rotate, and the pair of roller base portions 42 of the bulb / vegetables roller conveyor 15 are synchronously moved in opposite directions. And the root cutting means 18
The pair of posture maintaining endless revolving bodies 104 rotate.

Further, by the driving force from the second driving motor 183, the pair of root raising rotary brushes 50 are synchronously rotated in directions opposite to each other.

Further, the driving force from the third driving motor 185 causes the root blade 102 of the root cutting means 18 to rotate. Further, the driving force from the fourth driving motor 187 causes the stem blade 173 of the stem cutting means 20 to rotate.

Under such a condition, the worker P
First, as shown in FIG. 3, onions T are selected on the mounting portion 21, and for example, damaged onions T 'and the like are taken out to another container X. Other onions T are continuously sent on the transport inclined plate 25 of the mounting bottom plate 22 without confirming the direction of the onions T.

Each sent onion T is rolled and conveyed diagonally downward by the conveyer inclined plate 25, and then between the adjacent partition piece portions 36 of the supply endless revolving body 35 of the supply belt conveyor 31. Respectively.

Then, the onion T located between the adjacent partition pieces 36 is transported toward the front of the machine body 1 by the endless revolving body 35 for supply, and then is charged into the machine body 1 through the slot 11. Then, it is introduced into the transport path unit 13.

The onion T introduced into the transport path 13 is
It falls under its own weight while being guided by the pair of guide elastic plates 40a and 40b toward the transport start end of the roller conveyor 15 for bulb vegetables.

Subsequently, the roller conveyor 15 for the bulb vegetables is
The onion T having the stem portion T2 and the root portion T3 located at the transport start end of the onion is placed such that the stem portion T2 of the onion T is directed downward by the elastic retraction portion 48 with an interval of one pitch between adjacent onions T. While being retracted with a relatively strong retraction force
13 and are sequentially conveyed along a horizontal conveying direction.

That is, each onion T is transported mainly by receiving a force in the transport direction from the elastic transporting ridge member 43. Further, although the directions of the onions T located at the transport start end of the bulb vegetable roller conveyor 15 do not match, each onion T engages with the facing elastic projection 46, and The direction of the onion T is changed to a predetermined positive direction, that is, the direction in which the stem portion T2 of the onion T faces downward,
The direction of the onion T is adjusted. The onion T facing the wrong direction in which the facing elastic projection 46 has not been faced contacts the working contact portion 49a of the facing elastic body 49 on the upper side surface of the real part T1. The direction of the onion T is changed to a predetermined positive direction by the part 49a, and the directions of all the onions T being conveyed are adjusted.

Further, the beard-shaped hanging root T3 of the onion T being conveyed is raised by a pair of root raising rotary brushes 50.
Thereafter, the root portion T3 in the upright state is guided to a position near the root blade 102 by a pair of guide rods 130, and is reliably cut at a predetermined position by the root blade 102.

At the time of this cutting, the action pressure contact portion 153 of the anti-rolling elastic body 151 becomes the substantially spherical real portion T1 of the onion T being conveyed.
The onion T is pressed against one side surface of the central portion in the vertical direction, and the elastic retraction portion 48 pulls the stem portion T2 of the onion T being conveyed downward with a relatively strong force, so that the onion T rolls. Is prevented.

Subsequently, the stem portion T2 of the onion T conveyed in the predetermined forward direction is formed by the stem portion blade 173 and the annular body 174.
The stem portion T2 of the onion T is cut at a predetermined position by the stem portion blade 173.

The onion T, whose stem portion T2 and root portion T3 have been cut into a substantially real portion T1, is discharged from the discharge port 12 to the outside of the machine body 1, is led out of the transport path portion 13, and thereafter is discharged. It passes through 14 and is stored in a container (not shown).

As described above, according to the above-described embodiment, the guide rod 130 of the guiding means 131 comes into contact with both sides of the root T3 raised by the rotary brush 50 and raised by the root raising means 17. In this way, the root T3 in the upright state is guided to a position near the root blade 102 while the upright state of the root T3 is maintained. It is possible to effectively prevent T3 from returning to the original hanging state due to gravity or the like. Therefore,
The root portion T3 of the onion T can be reliably and accurately cut by the root blade 102 while the root cutting means 18 is rotating.

Since the guide rod 130 of the guide means 131 is rotated by a rotation angle corresponding to the size of the real part T1 of the onion T when pressed by the onion T during transportation, each onion T
Even if the size of the real part T1 is different, the standing state of the root part T3 can be appropriately maintained without damaging the real part T1, and the onion T Can reliably and precisely cut the root T3.

Further, the helical elastic retracting portion 48 fixed to the outer peripheral surface of each of the roller base portions 42 of the bulb conveyor 15 is rotated together with the roller base portion 42, so that the stem portion T2 of the onion T is rotated. While pulling the stalk T2 of the onion T into the stalk retraction gap 40,
The posture of the onion T can be stabilized without the posture of the onion T being lost due to some external resistance or the like. Therefore, the onion T can be transported along the stem retraction gap 40 in a stable posture by the bulb vegetable roller conveyor 15, and the root cutting means 18 can be combined with the guide rod 130 of the guide means 131.
The root portion T3 of the onion T can be cut more reliably and accurately by the root blade 102.

Further, since the elastic retracting portion 48 of the roller conveyor 15 for bulb vegetables is formed of an elastic soft material such as a cushion material, for example, the real portion T1 of the onion T may be damaged or the stem portion T1 of the onion T may be damaged. , And the onion T can be reliably transported in a stable posture.

Further, in the middle of the transport path 13 of the machine body 1 and on the upstream side of the stalk cutting means 20 and the root cutting means 18 in the transport direction, an orientation means for adjusting the direction of the onion T to a predetermined forward direction. Since 16 were provided, the stem T2 and the root T
When the onion T having 3 is inserted into the inlet 11 of the machine body 1, it is not necessary to adjust the direction of the onion T to a predetermined positive direction, and the work of confirming the direction of the onion T, which was conventionally required, becomes unnecessary. , The onion T can be continuously introduced, the work efficiency can be improved, and therefore, the cutting operation can be performed automatically and efficiently.

Further, the working contact portion 49 of the facing elastic body 49
The substantially spherical real part T1 of the onion T facing the wrong direction while transporting a
Since the direction of the onion T is changed to the predetermined positive direction by contacting the upper side, the direction of the onion T can be adjusted to the predetermined positive direction with a simple structure.

Further, the stem portion T of the onion T being conveyed by the many opposing elastic projections 46 of the roller conveyor 15 for each bulb and vegetable.
Since the direction of the onion T is changed to the predetermined positive direction by engaging with the nut 2, the direction of the onion T can be surely adjusted to the predetermined positive direction.

Further, since the direction of the onion T is changed to a predetermined positive direction by the facing elastic body 49 and the facing elastic projection 46, the directions of all the onions T being conveyed can be surely matched. The stem T2 and the root T3 can be cut accurately.

Furthermore, a pair of roller conveyors for bulb vegetables
15 is disposed below the fuselage 1 from one end in the longitudinal direction to the vicinity of the other end thereof, and the stalk cutting means 20 is disposed at the other lower end of the fuselage 1 in the longitudinal direction.
31, a pair of root raising rotary brush 50 and root cutting means 18
Are arranged on the upper side of the body 1 at intervals along the longitudinal direction, so that the weight balance in the longitudinal direction of the body 1 can be improved and the body 1 can be downsized.

Note that the guide means in the above embodiment is described.
131 may be guiding means 131a shown in FIG. This figure 1
The guide means 131a shown in FIG. 0 is a guide rod 1 as a guide different from the guide rod 130 positioned in parallel as shown in FIG.
Has 30a. That is, the distance between the guide rods 130a is set to be gradually shorter from the guide start end to the guide end.

The guide means 131a shown in FIG. 10 has the same operation and effect as the guide means 131 shown in FIG. Further, in this guide means 131a, each guide rod 130a
Is gradually reduced from the guide start end side to the guide end side, so that the root portion T in the upright state is in the middle of the guide.
3 can be reduced to a small size, and the root T3 can be more reliably prevented from returning to its original hanging state.

Further, the guide means in the above-described embodiment is provided.
131 may be guiding means 131b shown in FIG. 11 and FIG. The guide means 131b shown in FIGS. 11 and 12 has at least one pair of auxiliary guide plates 135 having a substantially triangular plate shape. Each of the auxiliary guide plates 135 is formed of an elastic material such as rubber, for example, and is fixedly attached to the inclined portion of the guide bar 130b in the standby posture, and is disposed in a substantially C-shape.

The guide 131b shown in FIGS. 11 and 12 has the same operation and effect as the guide 131 shown in FIG. Further, in this guide means 131b, since the vertical vertical edge of the auxiliary guide plate 135 is close to the rotating brush 50 with the root raised, the root in the standing state immediately after being separated from the rotating brush 50 with the root raised. Since T3 can be held by the auxiliary guide plate 135, the root portion T3 can be more effectively prevented from returning to the original hanging state due to gravity or the like as compared with the guide means 131 shown in FIG.

Further, the guide means in the above-described embodiment is provided.
131 is a guiding means 131 using the parallel link shown in FIG.
It may be c. The guide means 131c shown in FIG. 13 has a pair of support shafts 136, and a guide rod 130c as a pair of guides via the pair of support shafts 136 via a parallel rotating arm 137. 130c is supported movably according to the size of the real part T1 of the onion T by pressing by the onion T during transportation. And also in the guide means 131c shown in FIG.
The same operation and effect as those of the guiding means 131 shown in FIG.

Further, the guiding means 131 in the above-described embodiment may be a guiding means 131d using a tongue shown in FIG. The guide means 131d shown in FIG. 14 has a pair of support shafts 141a and 141b.
Rotating arm bodies 142a, 142b pivoted at the intersection at a, 141b
Guide rods 130d, 130d as a pair of guides through
However, the real part T1 of the onion T is pressed by the onion T being conveyed.
It is movably supported according to the size. One support shaft 141a is slidable along the guide slot 143. The lower end of the rotary arm 142b connected to the other support shaft 141a is slidably inserted into a guide elongated hole 144 formed in the guide rod 130d. Then, the guiding means 131d shown in FIG. 14 has the same operation and effect as the guiding means 131 shown in FIG.

In any of the above embodiments, the elastic retracting portion 48 of the roller conveyor 15 for bulb vegetables is
Although the configuration has been described in which the outer peripheral surface of the roller base portion 42 is formed on a portion other than the elastic conveying ridge member 43 and the band-shaped member 45, for example, although not shown, the belt-shaped member 45 is not provided on the outer peripheral surface of the roller base portion 42 In this case, the outer peripheral surface of the roller base 42 may be formed entirely or partially on a portion other than the elastic transporting ridge member 43.

Further, in order to improve the transportability of the machine body 1, the agricultural work machine for bulb vegetables according to any of the above-described embodiments is provided with wheel driving means such as an engine on the machine body 1. Alternatively, a configuration may be adopted in which a handle for operating the aircraft is provided.

Further, in any of the above-described embodiments, the agricultural working machine for bulb vegetables has been described as a configuration in which basically only the cutting operation of the stem portion T2 and the root portion T3 of the onion T is performed.
For example, although not shown, onion vegetated in the field is dug out sequentially by the excavation part of the excavation part in front of the fuselage, and the dugout onion is lifted and transported to the upper part of the fuselage by the conveyor, and then A configuration may be adopted in which a series of harvesting operations are performed in which the stem portion and the root portion of the onion are cut, and the cut onion is stored in the container via the container discharge chute at the rear of the machine body.

Although not shown, the guide body is not limited to the guide rods 130, 130a, 130b, 130c, and 130d. For example, the guide body may be formed of an elongated plate member.

[0093]

According to the first aspect of the present invention, the guide means located between the root cutting means and the root raising means maintains the standing state of the root raised by the root raising means. ,
Since the root portion in the upright state is guided toward the root cutting means, it is possible to prevent the root portion raised by the root raising means from returning to the original drooping state due to gravity or the like. Can be cut with high precision.

According to the second aspect of the present invention, the guide body comes into contact with both sides of the root portion raised by the root raising means, thereby maintaining the root portion in the upright state while maintaining the upright state of the root portion. Is guided from the guide start end side to the guide end side, so that with a simple configuration, it is possible to effectively prevent the root portion raised by the root portion raising means from returning to the original hanging state due to gravity or the like. The roots of the bulb vegetables can be reliably and accurately cut by the cutting means.

According to the third aspect of the present invention, since the guide body moves in accordance with the size of the real part of the bulb vegetables due to the pressing by the bulb vegetables during transportation, the guide body moves in accordance with the size of the real parts of each bulb vegetable. Even if the sizes are different, the standing state of the root can be appropriately maintained without damaging the real part, and the root cutting means can surely cut the root of the bulb vegetable with high accuracy.

[Brief description of the drawings]

FIG. 1 is a partially omitted front view showing an embodiment of an agricultural working machine for bulb vegetables according to the present invention.

FIG. 2 is a side view in which a part of the agricultural work machine for bulb vegetables is omitted.

FIG. 3 is a plan view of the agricultural working machine for bulb vegetables.

FIG. 4 is a plan view in which a part of the agricultural machine for bulb vegetables is omitted.

FIG. 5 is a side view in which a part of the agricultural working machine for bulb vegetables is omitted.

FIG. 6 is a perspective view showing a supply belt conveyor of the agricultural working machine for bulb vegetables.

FIG. 7 is a partially cutaway plan view showing a roller conveyor for bulb vegetables in the agricultural work machine for bulb vegetables.

FIG. 8 is a side view showing guide means of the agricultural machine for bulb vegetables.

FIG. 9 is a sectional view of a guide rod body of the guide means.

FIG. 10 is a plan view showing another embodiment of the guide means.

FIG. 11 is a side view showing still another embodiment of the guide means.

FIG. 12 is a front view of the guide means.

FIG. 13 is a side view showing still another embodiment of the same guide means.

FIG. 14 is a side view showing still another embodiment of the guide means.

[Explanation of symbols]

15 Roller conveyor for bulb vegetables as conveying means 17 Root raising means 18 Root cutting means 130, 130a, 130b, 130c, 130d Guide rods 131, 131a, 131b, 131c, 131d as guide bodies Guide means T Bulb vegetables Onions as a kind T1 real part T2 stem part T3 root part

Claims (3)

[Claims] 1. A conveying means capable of transporting bulb vegetables in a posture in which a root portion is directed upward, and disposed at a position opposed to the transport means, wherein the bulb vegetables being transported by the transport means are dripped. Root raising means for raising the root, Root cutting means disposed at a position downstream of the root raising means and cutting the root of bulbous vegetables being conveyed by the conveying means, Root cutting means and the root Guide means disposed between the root raising means and the root raising means, for guiding the root in the raised state toward the root cutting means while maintaining the raised state of the root. An agricultural working machine for bulb vegetables, comprising: 2. The guide means, wherein the guide start end is located at a position near the root erecting means and the guide end is located at a position facing away from the root cut means at a distance from the root erecting means. While maintaining the standing state of the root by contacting both sides of the root raised by the means, a pair of elongated shapes that guide the root in the standing state from the guide start end side to the guide end side are formed. The agricultural working machine for bulb vegetables according to claim 1, further comprising a guide body. 3. The bulb vegetable according to claim 2, wherein the guide body is supported so as to be movable in accordance with the size of the real part of the bulb vegetable by pressing with the bulb vegetable during transportation. For agricultural work machine.