KR0175158B1 - Vegetable harvester - Google Patents

Abstract

By means of the transporting device 6 and the transporting device 6 for harvesting, the leaf stem of the vegetable is pinched and taken out from the field, and then transported to the rear or upward with respect to the gas while the leaf stem is pinched. In a vegetable harvesting machine having a cutting tool 24 for cutting the small root portion 23a of the vegetable end portion in a suspended state, the cutting tool is a pair of guide plates extending along the transport direction of the vegetable by the transport device ( 25d), there is formed a slit (S) through which the small roots extending from the end of the vegetable pass between them, and the small roots projecting downward from the slit before the vegetable finishes the passage on the guide plate. Vegetable harvester characterized by having a cutting blade 26 to cut.

Description

Vegetable harvester

1 is a vertical front view showing a cutting tool.

2 is a longitudinal side view showing a cutting tool.

3 is a cross-sectional plan view of a cutting tool having a fixed scraper.

4 is a schematic side view showing a recovery conveyor and the like.

5 is an overall side view showing a vegetable harvester.

6 is an overall side view showing a vegetable harvester.

7 is a longitudinal front view showing a harvester and a leaf cutting device.

8 is a longitudinal front view showing a leaf cutting device and a leaf stem transportation device.

9 is a plan view showing a part of the leaf cutting device and the soil removing member.

10 is a sectional view showing a part of the leaf cutting device and the soil removing member.

11 is a longitudinal front view showing a cutting tool of another embodiment.

12 is a side view showing a cutting tool having a movable scraper.

13 is a cross-sectional plan view showing a cutting tool having a movable scraper.

* Explanation of symbols for main parts of the drawings

6: harvesting transport device 23a: small root

24: cutting tool 25a: guide plate

26: cutting blade 36: fixed scraper

40: slit width adjustment mechanism 43: height adjustment mechanism

45: processing scraper L: spacing

Q: Horizontal axis S: Slit

[Purpose of invention]

[Technical Field to which the Invention belongs and Prior Art in the Field]

The present invention relates to a vegetable harvester having a harvesting transport device for pinching a leaf stem to pull vegetables out of a field, and transporting the pulled vegetables to the rear top in a suspended position by pinching the leaf stem.

Background Art Conventionally, in this type of vegetable harvesting machine, it is generally proposed that the vegetable is taken out of the field, suspended in the rear and transported, and then simply configured to be collected in a recovery unit.

[Technical problem to be achieved]

However, in vegetables such as carrots and onions, since the roots are thin and elongated again at the tip of the tapered main body, the roots of the vegetables harvested with a vegetable harvester by manual harvesting may be removed by hand. I was cutting off one by one.

And the cutting work of the small roots by human hands is carried out while holding each one by hand, paying attention to the cutting points of the small roots, which is a cumbersome operation. Therefore, an object of the present invention is to configure the above-mentioned vegetable harvester to cut small roots during transportation of vegetables.

It is also conventionally proposed to cut the small roots when harvesting them with a vegetable harvester, but it is desirable to cut the small roots from the roots in an appropriate state in accordance with the vegetable length so that the small roots do not remain in the middle of cutting. there was. The present invention has been made in view of the above circumstances, and even if the root position of the roots of the vegetables which are pulled out of the field and transported in the rear-up state is changed by the vegetables, it is possible to provide a vegetable harvester capable of cutting the roots well at the root. The purpose.

[Configuration and Function of Invention]

In order to achieve the above object, the vegetable harvester according to the present invention is a harvesting device for transporting rear and upward with respect to the gas to the state by pinching the leaf stem of the vegetable, and then pinching the leaf stem And a cutting mechanism for cutting a small root of the end portion of the vegetable in a suspended state by the transportation device, wherein the cutting mechanism is a pair of guides extending along the transportation direction of the vegetable by the transportation device. A cutting blade having a plate, between which there is formed a slit through which the fine roots extending from the end of the vegetable pass, and which cuts the small roots projecting downward from the slit before the vegetable finishes the passage on the guide plate. Characterized in having a.

According to this configuration, the vegetable end is guided by a pair of guide plates of the cutting tool while the vegetables are transported by the transport device, and the rootlets extending from the vegetable ends from the slit formed between the pair of guide plates are lowered. The fine root is cut by the cutting blade. In this way, the vegetable roots can be cut during transportation of the vegetable harvester, and the product for cutting and removing the root roots after the harvest by the human hand can be omitted, and the work process from harvesting to shipping of the vegetable can be simplified.

In a preferred embodiment of the present invention, the cutting blade is configured to rotate the axial periphery perpendicular to the transport direction in which the vegetables are carried on the guide plate. In this configuration, the cutting blade rotates around an axis center orthogonal to the direction of the guide plate, and since the rotational trajectory of the cutting blade is arcuate over its entirety as viewed from the side of the body, The slits and the rotational trajectory remain relatively adjacent to each other in the front and rear regions of the points closest to the slits.

As a result, the small roots projecting downward from the slit are transported on the cutting tool sphere by the transport device, even if the rotational trajectory of the cutting blade and the adjacent point of the slit are shifted a predetermined distance. The roots remain cutable.

Further, in a preferred embodiment of the present invention, the pair of guide plates has a V-shaped cross section opened upward from the front side of the base, and forms a slit that speaks in a convex arc shape on the top side of the base. It is configured to. In this way, since the pair of guide plates have a V-shaped cross-sectional shape, the leaf stem portion is guided from the left and right directions to the gas in the transport apparatus, so that the positioning of vegetables can be easily performed. In addition, since the slit has a convex arc-shaped portion upward, the extent to which the slit is adjacent to the rotational trajectory of the cutting blade can be increased as compared with the case of the straight line when viewed from the side.

In addition, by making the centers of the radius of the circular arcs equal to each other, the rotational trajectory of the cutting blade and the gap between the slits can be made constant, so that the small roots guided to the guide plate of the cutting tool pass through the slits and protrude downward. The abnormality of the furnace is that the cutting work of the fine roots is continuously performed. Therefore, since the extent to which the roots of vegetables are adjacent to the rotational trajectory of the cutting blade increases compared to the straight ones, the cutting operation of the small roots can be performed more reliably and effectively.

In addition, since the slits are arcuate in terms of gas, the angle of inclination of the vegetable with respect to the gas changes when the end portion of the vegetable is guided by the guide plate, and thus the angle of contact with the small root and the cutting blade changes. As a result, a better contact angle between the vegetable root and the cutting blade can be obtained as compared with the case where the slit is a straight line in terms of gas, and the root can be cut well.

In a suitable embodiment of the present invention, the cutting mechanism in the vegetable harvester may be provided with a height adjusting mechanism to adjust the height with respect to the transport apparatus.

In this way, the cutting tool can adjust its distance in the height direction with respect to the gas with respect to the transport apparatus.

As a result, even when the length of the vegetable is changed due to various reasons, such as when the kinds of vegetables are different, when the vegetables are harvested in different places of the field, or when the harvest time is different, Because the spacing can be adjusted appropriately, the roots can be cut at intervals suitable for the type of vegetable.

In addition, the vegetable harvester can adjust the interval in the transverse direction with respect to the gas of the pair of guide plates, it is also possible to set the slit adjusting means for adjusting the slit width. In this way, the interval between the slits can be easily adjusted, so that the optimum slits in the state of the average vegetable roots (length of the roots of the vegetables, their strength, the degree of expansion in the lateral direction, etc.) in the harvesting field By adjusting the width, cutting of the roots can be performed. In addition, it is possible to adjust the appropriate slit width so that only the rootlets pass through the slit without passing the terminal portion of the vegetable. As a result, the cutting work of the vegetable root can be performed better.

In addition, the pair of guide plates may be provided in a disk shape that can be rotated around the rotation axis of the cutting blade, and may be provided with a scraper for sliding mud of the guide surface of the guide plate by sliding contact with the guide surface. In this way, the pair of guide plates can be rotated around the pivotal axis of the cutting blade, and the scraper is in sliding contact with the guide surface to remove the mud adhering or deposited on the guide surface.

As a result, it is possible to prevent the deposition of mud on the guide surface, so that the lower end of the vegetable can rise on the deposited mud, and only a part of the root can enter the slit, so that the root spot of the root is not cut. Problems can be prevented.

In addition, problems such as the deposition of mud on the guide surface and the deposition of mud deposited on the vegetables to be transported can be avoided. In this manner, a better cutting of the roots can be performed.

In addition, the scraper may be constituted by a movable scraper that is movable along the outer circumferential surface of the guide plate, in which case the mud attached to the guide surface may be more efficiently removed.

EXAMPLE

EMBODIMENT OF THE INVENTION Hereinafter, the Example of this invention is described based on drawing.

Although a carrot harvester is illustrated as an example of a vegetable harvester in FIGS. 1 and 2, the vegetable harvester can be applied to both vegetables with small roots.

This carrot harvester is configured by arranging the harvesting section 1 and the recovering section 2 on the traveling body 4 via the first support frame 3. This carrot harvester pinches the stems of the carrots planted in the field and pulls them upwards obliquely upwards in the rear of the gas. The harvesting conveying apparatus 6 which consists of these is provided in the left surface of the traveling body 4 provided with the crawler traveling apparatus.

A pair of left and right sides having a raised edge 8a, which sits between the ground and the leaf stem of the carrot in front of the start end portion of the narrow belt conveying belt 5 and raises the leaf stem of the carrot as the gas proceeds. A grass choker 8 and a pair of left and right soil cutting tools 9 are arranged to align soil of both lateral sides of the carrot with the progress of the gas in the state which has entered the ground.

The grass dividing sphere 8 is provided at the distal end of the first support frame 3 via the second support frame 10. At the distal end of the grass dividing port 8, a squeezing rod 11 which floats contaminants such as weeds is provided in a state in which the inclined edge 8a extends. In addition, the leaf stem raising device 12 is provided on the left and right of the front end of the harvesting section 1.

As shown in FIG. 1 and FIG. 3, in the harvesting conveying apparatus 6, with respect to the holder 6e provided so that the frame 6c was slidably protruded by the spring 6d. The guide roller 6b is supported. By arranging the guide rollers 6b to face each other, the left and right pinch conveying belts 5 are configured to pressurize in the approaching direction.

The pressurizing force is configured to be strong on the transportation start side where the carrot is pulled out of the ground and weakly on the transportation end side.

As shown in FIG. 1 and FIG. 4, the leaf cutting device 13 which cut | disconnects the leaf stem part of the carrot from the harvesting conveying apparatus 6 is installed in the back of the harvesting conveying apparatus 6 Doing. The blade cutting device 13 is composed of a positioning transport mechanism 13a, a cutting transport mechanism 13b, a vibration fixing transport mechanism 13c, and rotary cutters 13d and 13d.

The positioning transport mechanism 13a is freely configured to act on the upper end of the carrot body suspended by the harvesting transport device 6.

The cutting transport mechanism 13b is constituted by a left and right pair of freely transport belts for receiving a leaf stem from the alignment transport mechanism 13a in a state where the leaf stem is held at a predetermined position above the clamping position.

Vibration fixing transport device (13c) is composed of a pinch transport belt and the like freely driven a pair of left and right acting on the carrot suspended by the cutting transport mechanism (13b). The pair of rotary cutters 13d and 13d is configured to cut the leaf stems from the roots so as to be straightened with respect to the carrot whose posture is constant with the vibration fixing transport mechanism 13c.

As shown in Fig. 4, a thick cushioning body 13ca is placed on the surface side of the pinch transport belt of the vibration fixing transport mechanism 13c, so that the thickness of the carrot is drastically changed to cope with it. In addition, the front and rear rotary cutters 13d and 13d are arranged so that the tip ends of each other are seen in the axial center direction in the state in which the left and right rotary cutters 13d and 13d are driven and rotated in opposite directions.

As shown in Figs. 3 and 5, the alignment transport device 13a is a holder 13ab attached to the left and right pivot chains 13aa wound over front and rear sprockets 13s and 13u, and this holder. It consists of the winding spring 13ad which protrudes and supports the support bracket 13ae which can move freely with respect to 13ab, and the roller 13ac freely supported by rotation around the support shaft X by the support bracket 13ae.

Therefore, the roller 13ac rotates around the support shaft X, and the climbing movement in the longitudinal direction of the leaf stem is permitted. And it is comprised so that the top part of a carrot main body may rise until it touches the roller 13ac with the impression by the harvesting conveying apparatus 6, and so on.

As shown in FIG. 5 and FIG. 6, four single rollers 13ac are supported on one support bracket 13ae, and at the outer periphery of the roller 13ac by the operation of the alignment transport mechanism 13a. The dirt removal member 14 which acts as a scraper is arrange | positioned at the start side position on the return path part of the rotation chain 13aa.

The soil removing member 14 is made of an elastic body such as hard rubber or urethane, is bolted to the supporting member 16 fixed to the supporting frame 15 of the leaf cutting device 13, and viewed from the carrot transportation direction. The upper part of the soil removal member 14 is formed in the shape cut into the arc shape according to the outer diameter of the roller 13ac so that the scraper action may be given to the range which extends from the lower side of the roller 13ac to the horizontal outer side piece.

That is, both of the roller outer peripheral portion Rs positioned in the leaf stem of the carrot guided to the positioning mechanism 13 with respect to the rotation chain 13aa, and the roller outer peripheral portion Rh located in the top of the carrot body The shape of the soil removing member 14 is set in a state in which a scraper action is applied to the soil removing member 14.

The recovery unit 2 will be described with reference to FIGS. 2 and 7. The recovery part 2 which collect | recovers the carrot from the leaf cutting device 13 is provided in the lower part of the leaf cutting device 13 in the back of the harvesting transport device 6. The collecting unit 2 drops the carrot having a diameter smaller than the predetermined value to the lower container 2a, and supplies the carrot 2c having a diameter larger than the predetermined value to the rear container 2b and the leaf cutting device. The chute 2d which guides the carrot falling from 13 to the sorting conveyor 2c is provided.

Then, the carrot discharged from the rear end of the sorting conveyor 2c is guided and supplied in a state in which the carrot 2b and the third chute 2f placed in front and rear are slipped into the rear container 2b. .

The second chute 2e is freely installed up and down around the horizontal axis Z of the rear end thereof, and the front end of the second chute 2e has a spring 2g so that the return path of the sorting conveyor 2c is regulated as a stopper. Is elastically pressurized upwards to the upper side, and can be artificially oscillated around the horizontal axis z by the operating lever 2h integrally attached to the second chute 2e.

With this configuration, the carrots which are not discharged from the sorting conveyor 2c to the second chute 2e favorably and are returned with the sorting conveyor 2c and moved to the path side have their return path points and the second chute ( Even if it is caught by 2e), by operating the operating lever 2h and lowering the second chute 2e, the jammed carrot can be easily removed.

Further, when the carrot is blocked between the second chute 2e and the sorting conveyor 2c, a limit switch 2i for detecting a predetermined or more fluctuation below the second chute 2e is provided. When the detection signal of the rocking of the second chute 2e from the limit switch 2i by more than a certain amount is inputted to the control circuit 2j set in the body, the control circuit 2j is connected to the driving section 21. The engine is stopped and an alarm is issued.

Moreover, on the left side of the collection part 2, the container base 17 which can be accommodated in the standing posture along a gas crossing is arrange | positioned by the folding swing around the front-rear axial center Y. And the empty container 2b of the container stand 17 is mounted. The empty container 2b and the rear container 2b are of the same kind, and when the carrot is filled, the filled container 2b is transferred to the container container 18 to be described later, and the empty container of the container stand 17 is provided. (2b) is supplied.

As shown in FIG. 2, the leaf stem conveyance device 19 is a freely driven transport chain 19a, a pinch rail 19b, etc., which releases the cut leaf stem from the leaf cutting device 13 to the outside of the gas. It is arranged in a state of transporting the cutting leaf stem inclined over the front of the gas from the leaf cutting device 13 to the other side next to the gas on the opposite side to the harvesting transport device 6. In addition, the boarding drive unit 20 and the driving unit 21 is provided at the end of the gas side forklift to the right of the recovery unit 2, and the leaf stem transporting device between the recovery unit 2 and the boarding drive unit 20 (19) The container housing portion 18 is provided at the rear side.

The sorting conveyor 2 in the harvesting unit 1 and the collecting unit 2 is swinging up and down integrally with the frame around the point P on the first supporting frame 3 by the lifting hydraulic cylinder 22. It is possible. In addition, the rear end of the sorting conveyor 2c and the container 2b move back and forth slightly, but since the relative positions of the harvesting section 1 and the sorting conveyor 2c do not change, the harvesting operation is satisfactorily performed as a whole.

Next, the cutter tool 24 which cut | disconnects the small root of vegetables is demonstrated, referring FIGS. 8-10. The cutting tool 24 is configured to cut the small roots 23a extending from the root of the carrot body 23 to the lower part from the root near the roots by acting on the carrots that are suspended and transported by the harvesting transportation device 6. It is. The cutting tool 24 allows a passage in the front and rear directions of the main body portion 23 of the carrot to be suspended and transported, but in a V-shaped down cut shape when viewed from the front to regulate the main body portion 23 from side to side. The guide bodies 25 and 25 as a pair of the left and right vegetable guides which are arrange | positioned in the counter array are provided.

Moreover, the cutting blade 26 which is operated to cut the said root | root root 23a which protrudes downward in the space | interval L between the inner peripheral edges 25a and 25a of this guide body 25 and 25 is provided. In addition, the guide bodies 25 and 25 are rotatably supported around the horizontal axis Q by the support brackets 27 provided on the first support frame 3, respectively, and the main body 23 of the carrot is further supported. The guide plates 25d and 25d which position-control from the left and right are comprised as the rotating body which exists over the whole circumference in the state which draws a rotation trace around the said horizontal axis center Q. In addition, the conical surface corresponding to the inner side of the pair of guide plates 25d and 25d is the guide surface 25b, and the pair of guide surfaces 25b and 25b and the vegetable body are used when cutting the small roots. The vicinity of the distal end of is in the state of sliding contact.

As shown in FIG. 1 and FIG. 8, the drive support shaft 29 according to the shaft center Q driven from the drive shaft of the sorting conveyor 2 through the chain drive mechanism 28 is supported by the support bracket 27. As shown in FIG. ) Is supported by bearing 30. The left and right pairs of disks 25c and 25c are supported by the bearings 31 and 31 respectively on the driving support shaft 29. These discs 25c and 25c are provided at the periphery of the discs 25c and 25c with guide plates 25d and 25d protruding in a conical curved shape inclined toward the driving support shaft 29 and in opposite directions to each other. We install sequentially.

Moreover, the slit S which has the space | interval L is formed by the inner peripheral edge 25a, 25a of each guide plate 25d, 25d. Moreover, the pinch transport point of the leaf stem part of the carrot of the harvesting transporter 6 is located just above this slit S. Then, the support 32 for mounting the cutting blade 26 is fixedly supported on the drive support shaft 29 in the middle of the installation positions of the two discs 25c and 25c, and the pair of cutting blades 26 are supported. It is fixedly connected to (32). Each cutting blade 26 is set to move at a rotational speed of about 500 rpm in a state substantially conforming to the inner peripheral edges 25a and 25a of the guide plates 25d and 25d of the guide bodies 25 and 25.

In addition, as shown in FIG. 9, the rotation direction is set to the direction in which the carrot is transported in the transport direction in the contact area of the carrot and in the contact area, that is, the clockwise direction in the drawing.

Moreover, as shown in FIG. 8 and FIG. 9, in the vicinity of the connection part of each guide plate 25d, 25d and the discs 25c, 25c, the fine root 23a after cutting which did not fall from the said slit S A plurality of long holes 25e along the circumferential direction which can be discharged and discharged toward the ground are spaced apart from each other at an appropriate interval in the circumferential direction.

Elastomeric resin rollers 35 and 35 mounted on the rotary shaft 34 rotated through the second chain transmission mechanism 33 interlocked with the chain transmission mechanism 28 have outer peripheral edges of both discs 25c and 25c. It is provided so that it may contact 25f and 25f.

In this way, the guide bodies 25 and 25 are comprised so that they may be rotated by the elastic resin roller. As shown in FIG. 9, a fixing scraper 36 made of elastic rubber sheet is provided on the support bracket 27 at the rear or upper portion of the elastic resin rollers 35 and 35 with respect to the base. It is supported through. The fixed scraper 36 is in sliding contact with the guide surfaces 25b and 25b of the guide walls 25d and 25d of the guide bodies 25 and 25 so as to scrape off the adherent dirt from the guide surfaces 25b and 25b. Doing.

In addition, the left side guide body 25 is comprised freely in the perspective direction with respect to the guide body 25 on the right side, ie, in the said horizontal axis center Q direction. That is, as shown in FIG. 8 and FIG. 10, the interlocking connection structure of the drive support shaft 29 of the guide body 25 on the right side of the figure is in the direction of the transverse axis Q relative to the drive support shaft. Accordingly, the bearing 31 is fitted to the cylindrical shaft 38 so as to be slidably fitted, and the cylindrical shaft 38 is fixed to the driving support shaft 29 by the set bolt 39.

Thereby, the position of the guide body 25 on the right side in the figure can be changed in the left and right directions according to the thickness of the end portion of the main body 23 which is different depending on the kind of carrot, and the slit S is changed by the position change. The width L is adjustable. Here, the cylinder shaft 38, the set bolt 39, and the drive support shaft 29 are referred to as slit width adjusting means 40.

As shown in FIG. 9, the support bracket 27 inserts the bolt 41 and the bolt 41 into a plurality of means for fastening and fixing the support bracket 27 to the first support frame 3. The height adjusting means 43 is formed by the insertion hole 42. In this way, by selecting the appropriate one of the plurality of insertion holes 42 and fixing it to the support bracket 27 with the bolt 41, the cutting tool 24 can be changed up and down with respect to the first support frame 3.

As a result, it becomes possible to adjust the distance between the cutting tool 24 and the transportation device. By this structure, according to the length of the carrot which becomes a predetermined | prescribed harvest object, the cutter tool 24 in the vicinity of the pole end of the carrot main body 23 in the cutter tool 24, ie, near the pole force root of the root | root root 23a, The fine root 23a is cut.

Other Examples

As shown in FIG. 11, in the structure having the same structure as in the above embodiment, a coating layer 44 made of a fluorine-based ultrahigh molecular resin material is formed on the surface of the guide wall 25d of the guide body 25 as a vegetable. The guide surface 25b which is hard to adhere to mud may be comprised.

In this case, there is an advantage that the scraper for removing mud as in the above embodiment can be made unnecessary.

As shown in FIG. 12 and FIG. 13, in the structure having the same structure as the above embodiment, the guide body 25 is supported by a drive support shaft 29 for rotating the cutting blade 26, and The movable scraper 36 which consists of a triangular elastic resin board material is implemented from the front surface which can scrape mud from the guide surface 26b in the upper half of the guide body 25. As shown in FIG.

This movable scraper 36 is provided on an arm 47 whose rotation is freely supported around the transverse shaft Q via the bearing 46 on the support shaft 51 of the driving support shaft 29 and the coaxial core. The arm 47 is provided with a spring 48 that is elastically pressurized at the rear, and the other end of the release wire 50 having one end fixed to the traveling body 4 side is fixed to the arm 47.

When the harvesting transport device 6 is in a normal user posture, the release wire 50 is in a relaxed state, and as described in the above embodiment, the harvesting transport device 6 is arranged around the horizontal axis. In this case, the release wire 50 is brought into tension to interlock with it, and the arm 47 is set to pull the arm 47. As a result, the arm 47 oscillates approximately half a rotation around the shaft center Q and stops.

The movable scraper 36 scrapes off the mud of the guide surface 25d of the guide body 25 by the half rotation of the arm 47. Thereafter, when the harvesting transport device 6 is lowered to the user's length, the arm 47 and the movable scraper 45 are returned to the standby position at the front part of the guide body 25 by the elastic pressing force of the spring 48. It is configured to be maintained.

Moreover, the cutting tool 24 can also be comprised so that the rotation speed and the rotation direction of the cutting blade 26 can be set timely.

In addition, a plurality of insertion holes provided in the support bracket 27 for adjusting the distance between the cutting tool 24 and the transportation device may be long holes. In this case, it is desirable to put a scale on the edge of the long hole so as to make the height adjustment easier.

In addition, when the space | interval L of the slit S is comprised so that adjustment is possible in the cutting tool 24, the scraper which slides in sliding contact with the guide surface of each guide plate shall be divided, and the space | interval of the slit S may be It can also be configured to be adjustable in the transverse direction to the body in conjunction with adjusting the.

In addition, although the code | symbol is written in the term of a claim for convenience in contrast with drawing, this invention is not limited to the structure of an accompanying drawing by this writing.

Claims (7)

By the transport device 6 and the transport device 6 for harvesting which pinch the leaf stem of the vegetable is taken out of the field, and then transported to the rear or upward with respect to the gas in the state of pinching the leaf stem In the vegetable harvester provided with the cutting tool 24 which cut | disconnects the small root 23a of the said vegetable terminal part of a cutting | disconnection state, the said cutting tool 24 extends along the conveyance direction of the said vegetable by the said conveying apparatus 6 A slit S having a pair of guide plates 25d provided therethrough, through which the fine roots 23a extending from the end of the vegetables are formed, is formed between the guide plates 25d, and the vegetables are the guide plates. And a cutting blade (26) for cutting the fine root (23a) projecting downwardly from the slit (S) before finishing the passage on (25d). The vegetable harvester according to claim 1, wherein the cutting blade (26) rotates around an axis (Q) perpendicular to the direction of transportation of the vegetables carried on the guide plate. 3. The pair of guide plates (25d) according to claim 2, wherein the pair of guide plates (25d) are V-shaped open upward in front of the body and form convex arc-shaped slits on top of the body in view of the body. Vegetable harvester, characterized in that. The vegetable harvester according to claim 1, further comprising a height adjusting mechanism (43) for enabling height adjustment of said cutting tool (24) with respect to said transportation device (6). The slit width adjusting mechanism (40) according to claim 1, wherein the pair of guide plates (25d) can be spaced apart in the transverse direction with respect to the gas, and the slit width adjusting mechanism (40) for adjusting the width (L) of the slit (S) is provided. Vegetable harvester, characterized in that it further comprises. The said pair of guide plates are comprised in the disk shape which can be rotated around the said shaft center Q, The said cutting tool is in sliding contact with the said guide plate 25d, Vegetable harvester characterized in that it has a scraper (36, 45) for removing the dirt of the guide surface. The vegetable harvester according to claim 6, wherein the scraper is a movable scraper that is movable along an outer circumferential surface of the guide plate (25d).