JPH08140448A - Foliage processing machine - Google Patents

Abstract

PURPOSE: To provide a foliage processing machine capable of efficiently processing even a slender or lodged foliage entangled with each other by loosening the entangled foliage. CONSTITUTION: This foliage processing machine has a rake-in apparatus connected to the receiving end of a clamping transfer apparatus 12 tilted forward. A raising and cutting apparatus 27 having a cutting blade 30 on a vertically circulating chain extended in a casing 29 is placed at a side of the clamping transfer apparatus. The cutting blade is protruded from the casing at a prescribed stage and transferred nearly along the inclination of the clamping transfer apparatus.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foliage processing machine for extracting and collecting only the foliage of an underground rhizome crop such as sweet potato.

[0002]

2. Description of the Related Art When harvesting subterranean crops such as potatoes and sweet potatoes, the above-ground part (stems and leaves) is first extracted and removed, and then the underground part (potato) is dug up and collected. Although the method is adopted, since the manual pretreatment work is a heavy labor in the middle waist posture, a foliage processing machine has been developed which performs the pretreatment work with labor saving (for example, see Japanese Utility Model Publication No. 6-8660). ).

In the conventional foliar processing machine, a rake device for scraping a foliage part such as potatoes backward, and a foliage part scraped by the scraping device at the front start end part are transferred to the rear upper part. Holding transfer device that pulls out and transfers it to the upper rear, an upper transfer device that inherits the transferred product from the holding transfer device and lifts and transfers it further upward, and a transfer product that is sent from the transfer end part of the upper transfer device. The self-propelled vehicle is equipped with a processing working unit including a collecting and discharging device that collects and discharges a predetermined amount each time.

[0004]

According to the above-mentioned foliage processing machine, the foliage portion of the underground stem crop planted in the field is scraped by the scraping device as the self-propelled vehicle advances, and the holding and transferring device is provided. However, if the foliage is a vine that grows as if it crawls on the ground, or it has fallen along the ground and the foliage of adjacent rows is intertwined with each other. In the conventional foliage processing machine, since the foliage portions of adjacent rows are not completely separated and are entangled with each other, the foliage portions are transferred from the scraping device to the holding and conveying device and conveyed, so that a large transfer resistance is generated. Since it is difficult to pull out only the foliage part, it is difficult to unexpectedly pull up the underground part (potato) in the transfer area of the holding transfer device and even the foliage part and the underground part of the adjacent row. There was a problem that could be.

[0005]

Therefore, according to the present invention, even if the foliage portion is a vine-like plant that crawls on the ground, or a rhizome plant that is lying along the ground, It was carried out for the purpose of obtaining a foliage processing machine that can perform pulling-out processing satisfactorily, and in order to achieve the purpose, a holding and conveying device that forms a holding and conveying path by a pair of left and right endless conveying belts that are laterally rotated. Tilted to the front low rear high,
In a foliage processing machine in which a pair of left and right traverse belts for rubbing are continuously provided on the starting end side of the nipping and transferring path, the lateral and lateral sides of the nipping and transferring apparatus are hooked in the casing. The raising and lowering device is provided with a cutting blade on the vertical chain, and the cutting blade protrudes from the casing in a predetermined stroke and moves substantially along the inclination of the holding and transferring device.

Further, the pulling and cutting device can be a device in which a cutting blade and a pulling protrusion are coexisting in a vertically rotating chain. Further, the cutting blade of the raising and cutting device projects upward from the casing on the upper surface side of the casing and moves rearward and upward substantially along the inclination of the holding and transferring device, and also faces the holding and transferring device. It is also possible to project downward from the casing on the lower surface side of the casing to move rearward and upward substantially along the inclination of the holding and conveying device, but in the case of the latter case, Since the foliage transferred by the pulling and cutting device receives resistance by the sandwiching and transferring device, the cutting performance is further improved, and the protruding cutting blade is covered by the casing for safety.

[0007]

According to the foliage processing machine of the present invention, even if the foliage portions are entwined in a vine shape, the entangled foliage portions are distributed to the lateral outer side portion of the sandwiching and transferring device. While the cutting blade of the installed raising and cutting device protrudes from the casing and moves substantially along the inclination of the holding and transferring device, it is cut and separated, and only the foliage near the underground part within the transfer area is lifted and conveyed. Therefore, it is not necessary to remove the underground part in the transfer area, the foliage part of the adjacent row, the underground part, etc., and good foliar treatment can be performed lightly.

In the case where the raising and cutting device is constructed so that the cutting blade and the raising protrusion coexist in the chain, the raising and shaping action of the foliage portion by the raising protrusion and the cutting blade The cutting action is carried out so well that an even better treatment is carried out. Furthermore, in the case where the cutting blade of the raising and cutting device projects upward on the upper surface side of the casing and moves rearward and upward substantially along the inclination of the holding and conveying device, the foliage portion of the raising and cutting device is It is possible to work while accurately recognizing the cutting condition, and the cutting blade protrudes downward on the lower surface side of the casing facing the holding and transferring device and moves rearward and upward substantially along the inclination of the holding and transferring device. In such a case, since the foliage portion transferred by the raising and cutting device receives resistance from the holding and transferring device, the cutting performance is good, and the cutting blade projecting and transferring is covered by the casing, which is also safe.

[0009]

Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is an overall perspective view of a foliage processing machine according to the present invention as seen obliquely from the front right, FIG. 2 is a left side view of the foliage processing machine according to the present invention, and FIG. 3 is a main part showing a drive part of a pulling and cutting device. FIG. 4 is a left side view of a foliage processing machine according to another embodiment of the present invention.

In FIGS. 1 and 2, the foliage processing machine is
Self-propelled vehicle (1) and processing work unit equipped in front of its body
It is composed of (2) and. Self-propelled vehicle (1) has engine (3)
, A transmission case (4) accommodating a transmission mechanism interlocking with the output part of the engine, a pair of left and right axle cases (5) extending forward from the mission case, and each axle case. A drive wheel (6) that is axially supported, a work part support frame (7) that is attached to and supported by a mission case and an axle case, and a work machine drive that interlocks with a transmission mechanism in the mission case. It is composed of a working machine drive case (8) accommodating the mechanism, and a walking control handle (9) extending from the front and rear midsections of the working part support frame to the rear through the upper part of the engine. .

The processing work unit (2) is provided with the work unit support frame.
A pair of left and right working machine frames (10) extending obliquely forward and downward from the frame (7), fixed weed boards (11) attached to the front ends of the left and right working machine frames, and the work described above. A holding and transferring device (12) which is installed above the machine driving case (8) in a slanted manner in the front, rear, and rear heights, and a scraping device (13) which is connected to the starting end side of the holding and transferring path of the holding and transferring device. , A pair of left and right collecting and discharging devices (14) arranged on both rear sides of the holding and transferring device, and a pair of left and right rolling support wheels (1) arranged below the holding and transferring device.
5) and a potato removing guide.

The scraping device (13) includes fixed left and right fixed grass plates (1
1) (11) is divided by the work machine frame (10) (1)
0) Scraping and transferring device (1)
2) A belt with a pair of left and right scraping projections that are passed around the center of the vertical axis and are passed over to 2).
(16) is arranged in the shape of a letter “H” with the front spread, and the rear narrowing portion is provided so as to contact the beginning end of the holding and transferring path of the holding and transferring device (12), and is transmitted through the holding and transferring device (12). It is designed to be commonly driven and rotated by power.

The holding and transporting device (12) is a pair of left and right soft elastic endless conveyor belts which hang around the vertical axis so as to traverse.
Equipped with (12L) and (12R), both endless conveyor belts (12L)
It forms a pinch transfer path between the facing surfaces of (12R),
The endless conveyor belts (12L) (12R) are respectively attached to the left and right working machine frames (10).
Wheel group (18) (19) (2
0).

Of the wheel groups (18), (19) and (20) provided on each of the transport cases (17), the wheel body (19) located in the middle part of the front-rear direction is the driving wheel. The drive wheel
(19) is attached to a drive shaft (21) projecting upward from the work machine drive case (8), and each is driven by the power transmitted from the drive shaft (21) to the drive wheels (19). The endless transport belts (12L) (12R) are configured to rotate in a predetermined direction.

Further, in each of the transport cases (17), the latter half of the case can be bent to the left and right with respect to the first half of the case about the axis of the drive shaft (21). Has become
By bending the latter half of the case to the left or right by the switching operation by the operation handle (22), the end of the pinching transfer path between the endless conveyor belts (12L) and (12R) is collected and discharged to the left or right. The device (14) can be selectively positioned.

Therefore, the drive shaft (21) in each of the transport cases (17) is extended upward from the upper surface of the transport case (17). As shown in FIG. 3, the upward extending portion of the drive shaft (21) is thrust into the bevel gear box (23) and the bevel gear (24) is fitted to the bevel gear (24).
Driven shaft (26) with a bevel gear (25) that constantly occludes
The driven shaft (26) is horizontally supported by the bevel gear box (23) and is supported by the bevel gear box (23).
(23) An outwardly protruding pulling and cutting device which will be described later.
The longitudinal chain (28) of (27) is rotationally driven in a predetermined direction.

The raising and cutting device (27) is a holding and transferring device.
The casings (29) (2) arranged on the left and right outer sides of (12)
9) Inside the chain (2)
8) is hung around and the longitudinal chain (28) is equipped with cutting blades (30) · · · at an appropriate pitch, and these cutting blades (30) protrude from the casing (29) at a predetermined portion. It is configured to shift in posture.

To further explain, the bevel gear box
A drive sprocket (31) fitted into a portion of the driven shaft (26) protruding from the casing (23) in the casing (29), and a driven sprocket horizontally supported by another portion of the casing (29).
(32) (33) and the chain (28) is hung in a triangular tension,
An appropriate number of cutting blades (30) ··· are attached to the chain (28) so that the cutting blades (30) can stand up and down.
On the upper surface side of (29), it stands up and protrudes upward from the casing (29) and moves rearward and upward substantially along the inclination of the holding and transferring device (12), and at other portions, it is turned into the casing. It is configured to be collapsed and transferred.

The position where the cutting blade (30) starts to protrude outside the casing (29) and the position where the cutting blade (30) is accommodated in a state where it does not protrude from the casing (29) are the scraping device (13). It may be set so as to be at the optimum position in relation to the holding and transferring device (12). Also, a cutting blade for the chain (28)
The mounting of (30) is not limited to the standing upside down structure. In short, the cutting blade (30) projects from the casing (29) at a required portion and moves, and at other portions. It may be fixedly attached to the chain (28) as long as it is accommodated in the casing (29) and transferred.

Furthermore, a clutch is provided in each of the transmission systems to the left and right vertical chain (28) (28) in the raising and cutting device (27), that is, the transmission system in the bevel gear box (23), and the When it is not necessary to operate the turning chain (28), it is convenient to stop the left and right vertical turning chains (28) (28) together, or to stop only one of the left and right, In some cases, the raising and cutting device (27) may be provided with the casing (29) and the longitudinal chain (28) only on either the left side or the right side.

Further, the chain (28) has a cutting blade (30) ...
Only the cutting blade may be provided, but in some cases, the cutting blade (30)
, And the raising protrusion (34) are provided together, and the pulling protrusion (34) performs the function of adjusting the carrying and shaping of the foliage portion and the cutting blade.
It is also possible to configure so that the cutting action by (30) is performed appropriately. Then, the cutting blades (30) and the protrusions (34) are alternately provided one by one as shown in FIG. 4, or a plurality of cutting blades (3) are provided.
0) or raised protrusion (34) and a single raised protrusion (35)
Alternatively, the cutting blades (30) may be provided alternately, and the cutting blades (30) may be provided in an appropriate arrangement as needed.

Further, in the embodiment shown in FIGS. 1 to 3,
The cutting blade (30) is located on the upper surface side of the casing (29).
Holding and transferring device (12) protruding upward from the single (29)
It is designed to move rearward and upward substantially along the inclination of
It may be modified as shown in FIG. In other words, chien (2
8) attached to the cutting blades (30) ,.
2) The casing (2) facing the upper surface of the transport case (17)
The lower surface of 9) may be configured to project downward from the casing (29) and move substantially along the inclination of the holding and transferring device (12). In such a case, The foliage part which is caught by the cutting blades (30) ··· and receives sliding contact resistance with the upper surface of the conveying case (17) improves the cutting performance, and the case above the cutting blades protruding and moving is the case. -It is safe because it is covered with a sing (29).

When the cutting blade (30) is projected downward from the casing (29) and is moved rearward and upward substantially along the inclination of the holding and transferring device (12), the steps shown in FIGS. Although it is configured to rotate the chain (28) in the opposite direction to the example, in some cases, the direction of rotation of the chain (28) may be changed as shown in FIG.
In the same direction as in the embodiment of FIG. 3, the cutting blade (30) moves from the upper rear side to the lower front side in the opposite direction to the inclination of the holding and conveying device (12), that is, the conveying direction of the holding and conveying device (12). It is also possible to configure as follows, in which case the chain (28)
It is sufficient to provide only the cutting blades (30).

The foliar treatment machine of the present invention constructed as described above is constructed from the engine (3) to the mission case.
(4), driving wheels by power transmitted through the axle case (5)
The self-propelled vehicle is rotated by rotating (6), and the scraping device of the processing working unit (2) is driven by the power transmitted from the mission case (4) through the working machine driving case (8). (13), the holding and transferring device (12), and the raising and cutting device (27) are driven to rotate.

When the foliar treatment machine operating as described above is advanced in the field where the target crop is planted, the scraping device (13) scrapes the foliage of the target crop being planted,
With both sides of the base of the foliage held down by the compaction support wheels (15) (15), the foliage is transferred to the holding transfer device (12) and lifted and conveyed upward, leaving the underground part in the soil and leaving the foliage. Only the part is pulled out and collected at one of the left and right collecting and discharging devices (14) and (14) waiting at the end of the holding and transferring device (12). When such a series of foliar treatment work is performed In addition, even if the foliage is vine-shaped or laid down and is entangled, the entangled foliage is placed on the lateral outer side part of the holding and conveying device (12). Cutting blade (30) of the raising and cutting device (27)
..Cuts and separates while projecting from the casing (29) and moving substantially along the inclination of the holding and transferring device, and only the foliage parts near the underground part in the transferring area are pulled and transported, so Good removal of foliage can be performed lightly because it is not necessary to pull out the underground part of foliage, the foliage part of the adjacent row, and the underground part.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a foliage processing machine according to the present invention seen from diagonally right front.

FIG. 2 is a left side view of a foliage processing machine according to the present invention.

FIG. 3 is a cross-sectional view of essential parts showing a drive unit of the pulling and cutting device.

FIG. 4 is a left side view of a foliage processing machine according to another embodiment of the present invention.

[Explanation of symbols]

 12 Grasping and Transfer Device 12L Left-side Traverse Endless Conveyor Belt 12R Right-side Traverse Endless Conveyor Belt 13 Scraping Device 16 Scraping Belt 27 Raising and Cutting Device 28 Longitudinal Chain 29 Casing 30 Cutting Blade 34 Raising Protrusion

Claims (4)

[Claims] 1. A pair of left and right laterally endless conveyor belts (12)
L) (12R) a holding and transferring device that forms a holding and transferring path (1
Stem and leaf treatment in which 2) is inclined frontward and rearward and high, and a rubbing device (13) consisting of a pair of left and right traversing rubbing belts (16) and (16) is continuously provided on the starting end side of the holding and transporting path. In the machine, a pulling and cutting device constituted by providing a cutting blade (30) on a longitudinal chain (28) hooked in a casing (29) at a lateral outer side portion of the holding and transferring device (12). (27) is provided and a cutting blade (30)
In a predetermined stroke so as to protrude from the casing (29) and move substantially along the inclination of the holding and transferring device (12). 2. A longitudinal chain of a raising and cutting device (27).
The foliage processing machine according to claim 1, wherein the cutting blade (30) and the raised protrusion (34) are present together in the (28). 3. A cutting blade (30) of a raising and cutting device (27).
On the upper surface side of the casing (29), the casing (2
The foliage processing machine according to claim 1 or 2, wherein the foliage processing device projects upward from 9) and moves rearward and upward substantially along the inclination of the holding and transferring device (12). 4. A cutting blade (30) of a raising and cutting device (27).
The casing (12) facing the holding and transferring device (12)
3. The foliage processing machine according to claim 1 or 2, wherein the lower surface side of the stalk protrudes downward from the casing (29) and moves rearward and upward substantially along the inclination of the holding and transferring device (12).