JP2000287519A - Rake up device for vine in vine cutter for sweet potato - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rake up device for vines in a vine cutter for sweet potato, free from adjustment work even when the height of a flail mower body for vine cutting against a ridge is changed. SOLUTION: By protruding a right and left pair of mounting stays 54 from a cover plate 23 of a flail mower body A for cutting vines, swing frames 55 are pivoted at their middle height on the point of the stay, circular saw shaped vine raking up disks 58 rolling along ditches of a ridge are pivoted on the bottoms of the swing frames 55, coil springs 61 imparting grounding pressure to the disks 58 are provided to link mutually the tops of the swing frames 55 and the base of the mounting stay 54, and the vines M of sweet potato are raked up by the disks 58 from the ditches of the ridge G and are cut finely by flail blades 21 of the flail mower body A.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a picking device for a sweet potato cutting machine.

[0002]

2. Description of the Related Art Japanese Utility Model Publication No. 6-18417 is known as a sweet potato cutting machine which is considered to be the closest to the present invention, in which a film (F) coated on the surface of a ridge (A) is known.
And a pair of right and left dividers (16) by combining the sweet potatoes (C) vines (D) that grow on the hem portion (B) of the ridges (B).
The vine (A) is pushed up to the upper surface of the ridge (A), and the pushed vine (D) is cut by the cutting blade (11) of the vine (9).

[0003]

However, the divider (16) that pushes up the vine (D) of the above-mentioned known invention is of a fixed type, and is attached to the cover frame (12) from the mounting frame (15) to the front of the vine (9). It protrudes downward in an inclined installation state, and its tip (20) penetrates into the soil at the skirt hem portion (B) and is kept in a penetrated state.

[0004] For this reason, the film holding soil (E) of the skirt hem portion (B) is hardened and solidified before harvesting, so that the leading end portion (20) of the divider (16) is not moved forward. A large resistance acts, and it is difficult to push up the vine (D) smoothly and stably. The vine (D) that remains without being cut finely is wound around the rotary tilling shaft during the subsequent plowing work in the field. Becomes

[0005]

SUMMARY OF THE INVENTION The present invention is intended to improve such a problem. For this purpose, a flare mower main body for crossing over an upper ridge and an installation height with respect to the ridge are adjusted. Therefore, it consists of a pair of left and right tail wheels that are suspended from the rear end of the flare mower main body so as to be able to move up and down, and roll the ridge groove. In a sweet potato cutting machine that is driven to rotate by the power taken out,

A pair of left and right mounting stays are integrally extended from the cover plate covering the flare blade of the flare mower main body to the front and downward, and the swinging ends are bent substantially in an L-shape when viewed from the side. While pivoting the mid-height position of the frame,

A tension coil spring which supports a circular saw-shaped rake-up disk rolling along a ridge groove to the lower end portion of each of the above-mentioned rocking frames and applies a grounding elastic pressure to each of the rake-up disks. Is also connected and suspended between the front and rear of the upper end of each swing frame and the base end of the mounting stay,

[0008] The sweet potato vines scraped from the furrows by the scraping disk are finely cut by a flare blade of a flare mower body.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a sweet potato cutting machine according to the present invention; FIG. It has a mower main body (A), a device for adjusting its installation height (B), and a device for raising the flare mower main body (A) (C) so that it can be towed by the tractor body (T). Has become.

[0010] (11) is a horizontal main frame extending long in the left-right direction of the flare mower main body (A), which is made of a round pipe material, and a transmission bevel gear case (12) is fixed to an intermediate portion thereof. is set up. (13) is an input shaft extending forward from the bevel gear case (12), and is a universal joint shaft (1) having a fixed length.
4) via the power take-off shaft (1) of the tractor body (T)
5) is releasably connected to the transmission.

Reference numerals (16) and (17) denote a pair of left and right side plates for supporting both ends of the main frame (11), one of which forms a mounting base for the transmission belt case (18). (19) Both side plates (1
6) A reinforcing beam of a square pipe material horizontally fixed between the rear end portions of (17) and (20) is a lower end portion of the other side plate (17) and the belt case (18). The input shaft (13) is a horizontal rotary blade shaft supported in a state of being horizontally suspended between the lower end of the input shaft (13) and the input shaft (13).
2 is driven to rotate in a direction indicated by an arrow (F1) in FIG. 2 via a transmission belt (not shown).

[0012] (21) is an array distribution at a constant pitch along the longitudinal direction of the rotary blade shaft (20), and a large number of pivotally supported from the circumferential surface of the blade shaft (20). It is a flare blade (hammer knife) for engraving.
0), the entire effective cutting width (W) corresponding to the ridge grooves (G) on both sides thereof, and a constant rotation locus (R).

More specifically, a plurality of flare blades (21) for forming the flare mower body (A) are as follows:
As one set which is correctly faced and arranged in parallel on the 180-degree diameter line as shown in FIG. 4, each set is set in a crosswise crosswise radially symmetric form which is alternately orthogonal to each other.

Moreover, of the plurality of flare blades (21), only a few sets of intermediate flare blades (21a) located closest to the upper surface of the ridge (10) are preferably vertical to the ridge (10). Only two sets of intermediate flare blades (21a) sandwiching the center line (OO) are used to cut the root (a) of the vine (M) sticking to the upper surface of the ridge (10). The cutting edge is set in a relatively long straight form substantially parallel to the vertical center line (OO) so that even the multi-film (22) covered with the ridge (10) is not randomly and finely cut. It has become.

That is, when the root (a) of the vine (M) is cut by the intermediate flare blade (21a) facing the upper surface of the ridge (10), even if the blade touches the film (22). In order to form a straight form substantially parallel to the vertical center line (OO), each time the set is rotated by 180 degrees, the multi-film (22) is merely provided with a cut line in a dotted line state. As a result, the entire multi-film (22) can be quickly and reliably peeled off from the ridge (10).

On the other hand, the peripheral flare blade (21b) at the remaining position gradually moving away from the upper surface of the ridge (10) is
In order to cut the middle part (b) of the vine (M) which is scraped by the rake device (C) from both the tails, its cutting edge is entirely set as a V-shaped or R-shaped branch form. As a result, the vine (M) can be cut as finely as possible.

(23) The flare blade (2)
1) A cover plate that covers the entire upper surface, and has an arch shape along the rotation trajectory (R) of the flare blade (21), and has rear end portions on both side plates (16) and (17).
The above-mentioned reinforcing beam (19) is adhered and integrated.
(24) is a rubber dripping covering the entire rear surface of the flare blade (21).

Reference numeral (25) denotes a top link holder which is integrally extended obliquely forward and upward from the transmission bevel gear case (12), and a horizontal top pin (26) at the leading end of the transmission is provided with a tractor body ( T) is removably locked to the top link (27).

(28) The flare mower body (A)
A pair of left and right lower link holders integrally protruded forward from the main frame (11) of the tractor, and horizontal lower pins (29) protruding sideways from the protruding front ends of the lower link holders (28) are attached to the tractor. It is locked to the lower link (30) of the body (T) so as to be freely detachable,
A hydraulic cylinder device (31) mounted on the tractor body (T) allows the whole of the cutter to move up and down.

Next, a description will be given of a height adjusting device (B) of the flare mower main body (A) with respect to the ridge (10). This device suspends a pair of right and left tail wheels (32) as shown in FIGS. It is shaped as a parallel link motion mechanism.

That is, both side plates (16) and (17)
The fixing mast (33) of the square pipe material is vertically suspended from an intermediate portion of the reinforcing beam (19). (34) and (35) are a pair of an upper support stay and a lower support stay that stably hold the mid-height position of the fixed mast (33), and both are integrated rearward from the bevel gear case (12). Have been dispatched.

Reference numeral (36) denotes a horizontal toolbar which is laid horizontally behind the reinforcing beam (19), which is also made of a square pipe material, and has a pair of left and right first link arms (37).
Are pivotally connected to the horizontal reinforcing beams (19) of both side plates (16) and (17). (38) (3
9) is a pair of front and rear pivot bolts, and (40) is an intermediate connecting bar of both first link arms (37).

Reference numeral (41) denotes a pair of left and right tail wheel support rods which are slidably fitted in the toolbar (36) in the left-right direction.
2) rolls on the ridge grooves (G) located on both sides of the ridge (10). Reference numeral (42) denotes an adjustment bolt for positioning and fixing the tail wheel support rod (41) so as to correspond to the ridge groove (G). In addition, a pair of tail wheels (3
Needless to say, 2) consists of rubber tire wheels.

From the middle part of the toolbar (36), a hanging rod (4) of a square pipe material parallel to the fixed mast (33) is provided.
3) is vertically erect. Moreover, the second link arm (44) parallel to the first link arm (37) is provided between the upper end of the suspension rod (43) and the rearward end of the upper support stay (34). It is pivotally connected via. (45) and (46) are a pair of front and rear pivot bolts.

(47) The second link arm (44)
And a nut (48) inserted at the upper end thereof. (49)
Is a handle for raising and lowering the tail wheel (32). The screw shaft (50) at the tip of the handle is screwed and fastened to the nut (48). ,
The two link arms (37) and (44) and the tail wheel (32) suspended thereby move up and down. As a result, the installation height of the flare mower main body (A) with respect to the ridge (10) is adjusted.

Reference numeral (51) denotes a support piece for covering the base end of the elevation adjustment handle (49), which is integrally extended from the top link holder (25). (52) is a piece which also serves as a middle part of the lifting / lowering adjustment handle (49), and is inserted and installed on a holding piece (53) which stands vertically from the upper end of the fixed mast (33).

Further, a device (C) for raising the flare mower body (A) will be described.
4. In (4), (54) is the flare mower main body (A).
A pair of left and right mounting stays (55) are a pair of left and right swing frames bent in a substantially L-shape when viewed from the side, and are integrally extended from the cover plate (23) diagonally forward and downward. Positions are each pivotally attached to the dispensing tips of the mounting stays (54). (56) shows the horizontal pivot bolt.

At the lower end of the swing frame (55), a raking disk (58) for rolling in the ridge groove (G) is attached via a support shaft (57). The raking disc (58) is formed by punching a metal plate into a circular saw shape, and has a sawtooth (5) on its circumferential surface.
The vines (M) that are growing at the foot of the ridge (10) are hooked by 9), and the vines (M) are scraped up toward the flaring blades (21) of the flare mower body (A).

That is, a pair of left and right sides of the raking disk (58) are ridge grooves (G) located on both sides of the ridge (10).
When viewed from the lateral direction of the cutting machine, the rotating body rolls with the rotation locus (R) of the flare blade (21), and has a sawtooth (59) on the circumferential surface thereof.
The vine (M) caught on the wing can be lifted up to the flare blade (21).

For that purpose, a raking disk (58)
Are facing between adjacent left and right sides of a flare blade (21) forming the flare mower body (A),
Needless to say, it does not interfere with the flare blade (21). Reference numeral (60) denotes a hole for reducing the weight, which is distributed on the plate surface of the raking disk (58).

Further, between the front end and the back end of the swing frame (55) and the base end of the mounting stay (54),
A pair of left and right tension coil springs (61) for biasing the raking disc (58) to always contact the ridge groove (G) is elastically urged. Therefore, in combination with the fact that the raking disk (58) is a rolling element rotated in the direction shown by the arrow (F2) in FIG.
Even if the installation height of the flare mower body (A) with respect to 0) is adjusted, it is not necessary to perform a special adjustment work on the raking disk (58) accordingly.

(62) is an arc shape in a side view that curves substantially parallel to the rear surface of the raising disk (58), and is integrally extended downward from near the lower end of the swing frame (55). A pair of left and right vine scooping arms is also provided with the grounding elastic pressure of the tension coil spring (61), so that the protruding tip always comes into contact with the ridge groove (G).

The vine (M) scooped by the vine scooping arm (62) is lifted up by the rotation of the rake-up disc (58) with the advance of the vine cutter. While pinching the vine (M), it is possible to reliably guide the flare mower body (A) to the flare blade (21).

Next, FIG. 6 shows a second embodiment of the present invention corresponding to FIG.
In this embodiment, a pair of left and right vine scooping arms (62a) are formed in a substantially linear form in a side view, and the circumference of a rake-up disc (58) is set from the rear end of the flare mower main body (A). It projects diagonally forward and downward parallel to the disk (58) so as to be tangent to the surface.

That is, the reference numeral (63) in the figure designates a left and right side fixed and attached from below to a horizontal reinforcing beam (19) extending between the rear end portions of both side plates (16) and (17). A pair of holding pods for the vine scooping arm, into which each of the vine scooping arms (62a) is inserted and penetrated so as to be adjustable forward and backward in a forward and backward direction with a predetermined angle (α) inclined forward and downward. ing. Moreover,
The lower end of each vine scooping arm (62a) is in contact with the ridge groove (G), and when viewed from the lateral direction of the vine cutter, it faces the rear surface of the rake disk (58). There is a positional relationship that is a partial tangent.

The vine (M) scooped into the vine scooping arm (62a) as the vine cutter advances.
The vine (M) is lifted by the rotation of the rake disk (58), and the vine (M) is cooperated by the vine scooping arm (62a) and the rake disk (58). The blade is guided to the blade (21).

When the installation height of the flare mower main body (A) with respect to the upper surface of the ridge (10) can be changed by raising and lowering the tail wheel (32), the vine scooping arm (62a).
A plurality of advance / retreat adjusting holes (64) distributed at the upper end of the holding sheath (63) are selected, and the fixing bolts (6) are attached to the holding sheath (63).
By replacing 5), the vine scooping arm (62
In order to always contact the a) with the ridge groove (G), the height of the lower end portion may be adjusted.

Note that the other configuration in the second embodiment is substantially the same as that in the first embodiment.
Only the reference numerals corresponding to those in FIGS. 1 to 5 are entered in FIG.

The method of picking sweet potatoes based on the first embodiment shown in FIGS. 1 to 5 will now be described. The top pin (26) of the top link holder (25) in the flare mower body (A) is the same. Both lower link holders (2
The lower pin (29) of the tractor body (T) is locked to the top link (27) and both lower links (30) of the tractor body (T) as shown in FIG. 31), the input shaft (13) of the flare mower body (A) is connected to the power take-off shaft (15) of the tractor body (T),
And the rotary blade shaft (20) of the flare mower main body (A) is rotated in the direction indicated by the arrow (F1) in FIG. 2 by the power taken out of the tractor body (T).

Further, a pair of left and right raking disks (58) forming a raking device (C) for the flare mower main body (A) and a mounting height adjusting device (B) for the flare mower main body (A). A pair of left and right tail wheels (32)
By setting these in such a positional relationship as to be able to roll along the ridge groove (G) as shown in FIGS. 3 to 5, and by rotating the raising / lowering adjustment handle (49) of the tail wheel (32), The installation height of the flare mower body (A) with respect to the ridge (10) is adjusted and set appropriately in advance.

Then, as suggested from FIG. 5,
As the tractor body (T) is pulled by the tractor body (T), the middle flare blade (21a) of the flare blades (21) forming the flare mower body (A) is formed.
Will surely cut the root (a) of the vine (M) sticking to the upper surface of the ridge (10).

At this time, even if the edge of the intermediate flare blade (21a) touches the multi-film (22) covering the ridge (10), the intermediate flare blade (21a) has a straight form. However, the cuts are only given to the multi-film (22) as dotted lines, and are not cut at random into small pieces. As a result, the whole of the multi-film (22) is subsequently ridged (1).
0), the work can be smoothly peeled off, and there is no possibility that fine cut pieces of the film (22) remain.

On the other hand, a pair of left and right raking disks (58) forming the raking device (C) rolls in the ridges (G) as the rag cutter advances, and on the rear surface, the vines are scooped. The mid-section (b) of the vine (M) that prospers at both skirts of the ridge (10) is also located at the bottom of the ridge (10). (62)
And is guided to the flare blade (21) of the flare mower main body (A), and the peripheral flare blade (2) branched into a V-shape or a V-shape of the blade edge.
By 1b), it is surely cut into small pieces,
As a result, there is no fear that a long vine (M) may be wound around the rotary tilling shaft even during the subsequent tilling work in the field.

The device for raising the flare mower body (A) (C) is a pair of right and left raising disks (5).
8) As a repulsive state that is constantly touching the ground,
In addition, since the ridges (G) are rolled as the cutting machine advances, it is assumed that the setting height of the flare mower main body (A) is changed by the raising / lowering operation of the tail wheel (32). However, there is no need to perform special adjustment work on the raking device (C) accordingly. Even without the troublesome adjustment work, the vine (M) is surely scraped up and the flared blade (21) for flaring the flared mower body (A).
Can be cut more finely.

[0045]

As described above, in the present invention, the flare mower main body (A) for crossing over the ridge (10) and the flare mower main body for adjusting the installation height with respect to the ridge (10) are adjusted. (A) a pair of left and right tail wheels (32) that are suspended from the rear end portion so as to be able to move up and down and roll in a ridge groove (G), and the flare blade (21) of the flare mower main body (A). ) From the tractor body (T) of the towing machine, and a rotary pottery-driven potato cutter,

A pair of left and right mounting stays (54) are integrally sent out from the cover plate (23) covering the flare blades (21) of the flare mower main body (A) forward and downward, and to the leading end of each of them. A pivotal frame (55), which is bent in a substantially L-shape when viewed from the side, is pivotally mounted at an intermediate height position,

A circular saw-shaped raking disk (58) that rolls along the ridge groove (G) is mounted on each of the swing frames (5).
5) A tension coil spring (61) for pivotally supporting the lowering portion of each of the rake-up disks (58) and applying an elastic force to the ground is applied to the upper end portion of each swing frame (55) and the mounting stay (5). 54) and hang between the front and rear with the base end of

The vines (M) of the sweet potatoes scraped from the furrows (G) by the rake discs (58) are finely cut by the flares blades (21) of the frare mower body (A). Therefore, there is an effect that the problem of the known device described at the beginning can be completely improved.

That is, according to the above configuration of the present invention, since the scraping device (C) is embodied as a circular saw-shaped scraping disk (58) rolling on the ridge groove (G), The vine (M) can be surely and stably scraped up by the saw teeth (59) on its circumferential surface without receiving a great resistance in progress, and the vine (M) can be lifted by the flare blade of the flare mower body (A). (21) can be cut more finely.

In addition, the above-mentioned raking disk (58)
, The elastic force of the ground contact to the ridge groove (G) is constantly urged by the tension coil spring (61), so that the lifting and lowering operation of the tail wheel (32) causes the Freer mower main body (A) to move to the ridge (10). ) Even if the installation height is changed,
Correspondingly, no special adjustment work is required on the raking disk (58). Even without the troublesome adjustment work, the action of scraping the vine (M) can be performed without any trouble.

In particular, if the configuration of claim 2 is adopted,
In combination with the arc-shaped vine scooping arm (62) that curves substantially parallel to the rear surface of the rake disk (58), the vine (M) can be more and more stably raked. This has the effect that the vine (M) can be reliably and finely cut by the flare blade (21) of the flare mower body (A).

Further, such an effect can be attained substantially equally by the structure of the third aspect. The vine scooping arm (62
This is because the vine (M) during scooping and mooring can be scraped up by the rotation of the rake up disc (58) without fear of falling off.

[Brief description of the drawings]

FIG. 1 is an overall schematic side view showing a towing state of a sweet potato cutting machine according to the present invention.

FIG. 2 is a side view extracting and showing a part of FIG. 1;

FIG. 3 is a plan view of FIG. 2;

FIG. 4 is a front sectional view showing a corresponding positional relationship between a flare blade and a ridge.

FIG. 5 is a front view showing a cutting action state of the vine.

FIG. 6 is a side view showing a second embodiment of the sweet potato chopping machine corresponding to FIG. 2;

[Explanation of symbols]

 (10), ridge (20), rotary blade shaft (21), flare blade (21a), intermediate flare blade (21b), peripheral flare blade (23), cover plate (39), tail wheel (54), mounting stay (55)-Swing frame (58)-Raising disc (61)-Tension coil spring (62)-Vine scooping arm (62a)-Vine scooping arm (A)-Flare mower body (B)-Flare mower Set height adjustment device for main unit (C), Raising device (G), furrow (M), vine (T), tractor body (a), root (B), midway

Claims (3)

[Claims] 1. A flare mower main body (A) for crossing over a ridge (10) and a rear end of the flare mower main body (A) in order to adjust an installation height with respect to the ridge (10). A pair of left and right tail wheels (32) that are suspended so as to be able to move up and down freely and roll in ridge grooves (G); In the sweet potato cutting machine which is driven to rotate by the power taken out from (T), a pair of left and right mounting stays (54) is provided from the cover plate (23) covering the flare blade (21) of the flare mower main body (A) to the front lower side. ), And the swinging frame (55), which is bent substantially in an L-shape when viewed from the side, is pivotally attached to each of its leading ends, and along the ridge groove (G). Rolling circular saw type scraping disc (58) is pivotally supported on the lower end portion of each swing frame (55), and a tension coil spring (61) for applying a grounding elastic pressure to each of the raking disks (58) is also mounted on each swing frame (55). A sweet potato vine that is hanged from the upper end of (55) and the base end of the mounting stay (54) to the front and rear of the mounting stay (54), and is raked from the furrow (G) by the rake disk (58). (I) The apparatus for picking up sweet potato cutters, wherein (M) is finely cut by a flare blade (21) of a flare mower body (A). 2. An arc-shaped vine scooping arm (62) that curves substantially parallel to the rear surface of each rake-up disc (58).
Is integrally extended downward from the swinging frame (55), and the vine (M) is cooperated with the rake-up disc (58) and the vine scooping arm (62) to move the vine (M) to the flare mower body (A). 2. The device for picking up sweet potato cutting machines according to claim 1, wherein the device is set so as to be guided to the flare blade (21). 3. An almost linear vine scooping arm (62a) which is partially tangent to the rear surface of each rake-up disk (58), is fixed at a predetermined angle from the rear end of the Frerehl mower main body (A). (Α), the rake-up disc (58) and the vine-scooping arm (6)
2. The sweet potato vine cutter according to claim 1, wherein the vine (M) is guided to be lifted and guided to the flared blades (21) of the flared mower main body (A) by cooperation with 2 a). 3. A device for raising the machine.