JPH0941A - Head vegetable harvester - Google Patents

Abstract

(57) [Summary] [Purpose] A heading vegetable harvester that digs out heading vegetables, holds both sides and transports them backward while cutting off non-heading leaves and stems. Cut so that there are no leftover cuts or overcuts so that only the bulb part can be accommodated. [Structure] A digging device A is provided in the front part, a pair of side surface transfer devices 12 and a pair of screw-shaped main transfer devices 14 in the lower part are provided in the rear part in the front-rear direction, and a root part is provided in the front lower part of the main transfer device. A cutting device 20 is provided, a disc-shaped stalk cutting device 21 is provided on the rear portion, a rotary shaft core of the stalk cutting device is provided behind the rear end of the main transport device, and the stem cutting device is provided behind the stalk cutting device. The rear end of the side conveying device is located at the left side of the main conveying device, the main conveying device is driven so that the conveying speed is different from each other, and a non-ball head leaf guide 23 is provided between the side conveying device and the main carrier device. The front part of the above was projected forward from the side surface conveying device, and the rear part was arranged so as to overlap with the stalk cutting device in a plan view.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for harvesting headed vegetables such as cabbage and the like, after digging out headed vegetables, and transporting the non-headed leaves (oni leaves or outer leaves).

[0002]

2. Description of the Related Art Conventionally, a self-propelled headed vegetable harvesting machine for harvesting headed vegetables such as cabbage has been known. This head-mounted vegetable harvesting machine has a main conveyor consisting of a pair of screws in front of the traveling device, which is parallel to the front, rear, rear, and height, and has an upper surface conveyor belt and a side surface conveyor belt above it, and a digging section at the front. The heading vegetables digged by the digging section are sandwiched by the main conveyor device, the stem side portions are clamped, the upper surface is held by the upper conveyor belt, and the side portions are clamped by the side conveyor belt and conveyed backward. The stem portion of the headed vegetable was cut during the transportation and stored in the storage container provided on the traveling device at the rear end.

[0003]

In the prior art as described above, the heading vegetables are dug up and delivered to the main transfer device, and the non-heading leaves and stems are cut with a disk-shaped cutter when they are transferred rearward. Although the heading portion was conveyed further rearward and stored in the storage container, even after cutting the non-heading leaf or the stem, the non-heading leaf is conveyed while being held by the side transfer device and stored. It was sometimes transported to the container.
When the non-heading leaves are transported to the sorting / transporting device or the storage container in this way, they are taken out manually, which takes time and reduces the work efficiency.

[0004]

The problem to be solved by the present invention is as described above, and the means for solving this problem will be described below. That is, a digging device is provided in the front part, and a pair of side-face conveying devices and a pair of screw-type main conveying devices in the lower part are provided in the front-rear direction in the front and rear direction to dig bulb-headed vegetables, hold both sides and move backward. In a headed vegetable harvester that cuts off non-headed leaves and stems while transporting to, a root cutting device is provided in the front lower part of the main transport device, a disc-shaped stem cutting device is provided on the rear part, and after the main transport device The rotary shaft core of the stem cutting device is provided behind the end, the rear end of the side surface conveying device is located rearward of the stem cutting device, and the main conveying device is driven so that the conveying speed is different from right to left. In addition, a pair of non-bulb leaf guides are provided between the side transport device and the main transport device, the front portion of the non-bulb leaf guide projects forward from the side transport device, and the rear portion overlaps the stem cutting device in plan view. It is arranged so that That.

[0005]

Next, the operation will be explained. When the heading vegetables are dug up by the digging device and transported to the rear, when the stem of the heading vegetables is pinched by the main transporting device and transported to the rear,
The root is cut at the front part of the main carrier, and due to the difference in rotation speed between the non-heading leaf guide and the left and right main carrier between the main carrier and the side carrier, the heading vegetables are rotated while The heading leaf is peeled downward from the heading portion and sent to the rear, and the root of the stem and the non-heading leaf are cut off and dropped downward by the stem cutting device at the rear end of the main transporter. The sheet is conveyed to the rear end by the conveying device, inherited from the rear end to the sorting and conveying device, and stored.

[0006]

EXAMPLES Next, examples will be described. 1 is a front side view of a headed vegetable harvester according to the present invention, FIG. 2 is a plan view of a transfer section, FIG. 3 is a side view of a main transfer device, a non-heading leaf guide, and a side transfer device, and FIG. 4 is the same. FIG. 5 is a plan view, FIG. 5 is a sectional view taken along line XX in FIG. 3, and FIG. 6 is a side view of another embodiment of the rear portion of the non-heading leaf guide and a stem cutting device.

First, referring to FIG. 1, description will be given of the overall structure of a cabbage harvested by a headed vegetable harvester. In the heading vegetable harvester of this embodiment, the machine frame 2 is placed on the crawler type traveling device 1, the storage section 3 is provided on the machine frame 2, and the cabbage digging section A is provided in front of the machine frame 2.
And a transport section B are provided. At the rear part of the transport section B, a sorting and transporting device 4 for sorting the cabbage K and transporting good products to the storage section 3 is arranged.

As shown in FIGS. 1 and 2, the carrying section B is
The transport frames 9L and 9R are arranged in parallel in the left-right direction in the front-rear direction, and the rear lower portions of the transport frames 9L and 9R are rotatably supported by the machine frame 2, and the front lower portions of the transport frames 9L and 9R and the machine frame 2 are A hydraulic cylinder 5 is interposed between the hydraulic cylinders 5 and 5 so that it can be rotated up and down. Further, the excavation part A, the side surface conveying devices 12 and 12, the main conveying devices 14 and 14, the non-heading leaf guides 23 and the like are attached to the conveying frames 9 and 9. A digging section A is provided at the front end of the carrying section B, and the digging section A is provided with a pair of scraping devices 6, 6 and front carrying sections 14a, 14a of a pair of main carrying devices 14, 14 and a gauge. It consists of wheels 11.11, and the digging height is set by the gauge wheels 11.11, and the scraping device 6 rotates the star wheels or the protruding tines in the opposite directions to squeeze the cabbage K between them. There is. The main transport devices 14 and 14 are arranged parallel to each other in the front lower and rear heights and are rotated in opposite directions.
The front transport parts 14a and 14a sandwich the stem of the cabbage K and transport it so as to pull it back upward and form a part of the excavation part A.

The main transfer devices 14 and 14 are formed in a V shape when viewed from the side, and the front transfer part 14a is located at the excavation part A, the rear transfer part 14b is located at the transfer part B, and By rotating the main transfer devices 14, 14 in opposite directions about the axis and at different rotational speeds, the cabbage K is transferred backward while rotating on the transfer surface. Above the main carrier 14,
The side transport device 12 is arranged in parallel with the main transport device 14, and the non-heading leaf guide 23 is provided between the side transport device 12 and the main transport device 14.

The side transfer device 12 is shown in FIG. 2, FIG. 4, and FIG.
As shown in FIG. 5, a belt 12a made of an elastic material such as rubber is wound around the transport frames 9L and 9R in the left-right and front-rear directions. As shown in FIG. 5, the belt 12a has a substantially inverted L-shape in cross section. The belts 12a and 12a on both sides can press the side surface of the cabbage K and the diagonally upper side. The belt 12a is trapezoidally wound around a driving pulley 26, a driven pulley 27, and a guide plate 29 disposed between the driving pulley 26 and the driven pulley 27 on the left and right central sides of the conveyance, and the guide plate 29 includes the driving pulley 26 and the driven pulley 27. It is pressed downward in the center via a pressing guide 16 arranged between them. That is, the pressing guides 16 are arranged in the front, rear, left, and right (four positions in this embodiment), and the compression springs 24 are interposed between the pressing frames 16 and the mounting frames 15 projecting upward from the transport frame 9, respectively. The pressing guide 16 is urged downward by 24. Further, the transport frame 9 and the pressing guide 1
A spring 25 is interposed between the pressing guide 16 and the guide 6, and the pressing guide 16 is urged toward the center. Therefore, the belt 12a presses the cabbage K downwardly toward the center during conveyance, so that the cabbage K does not float above the main conveyors 14 and 14 and can be stably conveyed. It is positioned so that there is no uncut portion. Further, the upper surface transport device is omitted.

A root cutting device 20 is provided at the front lower part of the main transport device 14, and a stem cutting device 2 is provided at the rear upper part.
1 is arranged, the root cutting device 20 and the stem cutting device 21 are disk-shaped rotary blades, and the rotary shaft is arranged in the direction perpendicular to the transport surface so that the blades are provided between the main transport devices 14 and 14. The parts are arranged so that they are located. The rotation axis of the stem cutting device 21 is arranged rearward of the screw (conveyance convex portion) of the main conveying device 14, and the side conveying device 1 is provided.
The reference numeral 2 extends rearward of the stem cutting device 21. Accordingly, the non-heading leaves Ka and the stem portion Kb are dropped downward when cut by the stem portion cutting device 21, and only the head portion is conveyed to the sorting and conveying device 4 by the side surface conveying device 12.

As shown in FIGS. 1 to 5, a pair of non-heading leaf guides 23 are disposed above the main carrier 14 between the root cutting device 20 and the stem cutting device 21. The non-heading leaf guide 23 is made of an elastic body in the shape of a round bar and is driven to rotate, and the front portion is disposed obliquely upward and outward from the main transport device 14, that is, in a plan view in a “C” shape. It is formed in a V shape in a side view, the rear part is arranged between the main carrier device 14 and the side carrier device 12, and the rear part is arranged so as to overlap the stalk cutting device 21 in a plan view. As shown in FIG. 3, the rear end portion 23a is formed in a pointed shape so that the stalk cutting device 21 approaches the conveying surface of the cabbage K and the stalk portion of the cabbage K is not extremely shallowly cut. ing. The non-heading leaf guide 23 can be fixed without rotating, and the rear end of the non-heading leaf guide 23 in this case is inserted with the stem cutting device 21 as shown in FIG. Open the slit 23b of the maximum size,
The front part of the stalk cutting device 21 is inserted and arranged so as to be overlapped, and the uncut portion of the stalk of the cabbage K is made small, and further, extreme shallow cutting is not performed.

With this structure, the excavated portion A
When the harvesting work is carried out while advancing the heading vegetable harvester according to the row in which the cabbage K is cultivated, the cabbage K is scraped by the scraping device 6 to the left and right center side, and the main transport devices 14 and 14 are transported in front. The root portion and the stem portion Kb are sandwiched by the portions 14a and 14a, and the rear portion and the stem portion Kb are sent backward and pulled out. Then, the rear transfer section 14 of the main transfer device 14
During the transportation of b / 14b, the root cutting device 20 cuts the lower root of the stem Kb of the cabbage K, and the cabbage K is transported backward while being rotated by the difference in the number of rotations of the left and right screws. After this, the transport units 14b and 14
As shown in FIGS. 3 and 4, the non-heading leaf Ka is gradually spread outward and peeled off while being conveyed by the b, as shown in FIGS. 3 and 4, by the rotation of the non-heading leaf guide 23 and the cabbage K.
Then, the side surface conveying device 12 holds the oblique upper surface and the side surface of the cabbage K, and conveys the cabbage K backward while pressing it downward in the center.

Then, at the rear of the rear transport sections 14b and 14b, the root of the stalk Kb is cut by the stalk cutting device 21 while being transported to the rear, and finish cutting is performed. At this time, the non-heading leaves Ka and the stem portion Kb are cut off at the same time, and since they are located at the ends of the main transfer devices 14 and 14, they fall to the field scene below. Then, the bulb portion of the cabbage K is conveyed while being sandwiched by the side surface conveying device 12, and is conveyed from the rear end to the storage portion 3 by the sorting and conveying device 4 and is stored therein.

[0015]

Since the present invention is constructed as described above,
It has the following effects. That is, since the rotary shaft core of the stem cutting device is provided rearward of the rear end of the main transport device and the rear end of the side transport device is positioned rearward of the stem cutting device as in claim 1, Unnecessary non-heading leaves and stems fall down after cutting and only the heading parts are transferred to the storage container by the side transfer device, eliminating the work of removing non-heading leaves and stems and improving work efficiency. can do.

According to a second aspect of the present invention, a non-heading leaf guide is provided between the side transfer device and the main transfer device, a front portion of the non-heading leaf guide projects forward from the side transfer device, and a rear portion of the stem cutting device. Since it is arranged so that it overlaps in plan view,
The non-heading leaves are peeled off downward with transportation, and can be separated from the heading part, and in the cutting part of the stem part, it becomes possible to easily position the boundary part between the root of the stem part and the heading part, The boundaries are cut off, and the non-heading leaves are cut off at the same time, so that heading vegetables with high commercial value can be harvested without making shallow or deep cuts.

[Brief description of drawings]

FIG. 1 is a front side view of a headed vegetable harvester of the present invention.

FIG. 2 is a plan view of a transport unit.

FIG. 3 is a side view of a main transport device, a non-heading leaf guide, and a side transport device portion.

FIG. 4 is a plan view of the same.

5 is a cross-sectional view taken along the line XX in FIG.

FIG. 6 is a side view of another embodiment of the non-heading leaf guide rear portion and a stem cutting device.

[Explanation of symbols]

 A digging device K cabbage 12 side transfer device 14 main transfer device 20 root cutting device 21 stem cutting device 23 non-heading leaf guide

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Norihiko Muneyoshi 197 Kume, Okayama City, Okayama Prefecture Ishikawajima Shibaura Machinery Co., Ltd. Okayama Factory

Claims (2)

[Claims] 1. A digging device is provided in the front part, and a pair of side-face conveying devices and a pair of screw-type main conveying devices are provided in the lower part in the rear part in the front-rear direction to dig a headed vegetable.
In a headed vegetable harvester that cuts off non-headed leaves and stems while holding both sides and carrying them backward, a root cutting device is provided in the front lower part of the main carrying device, and a disc-shaped stem cutting device is provided on the rear part. A head-mounted vegetable harvesting machine, characterized in that a rotary shaft core of a stem cutting device is provided behind a rear end of a main carrying device, and a rear end of a side carrying device is located behind the stem cutting device. . 2. A digging device is provided in the front part, and a pair of side-face conveying devices and a pair of screw-type main conveying devices are provided in the lower part in the rear part in the front-rear direction to dig a headed vegetable,
In a headed vegetable harvester that cuts off non-headed leaves and stems while holding both sides and carrying them backward, while driving the main carrier device to transfer speeds differently from left to right, between the side carrier device and the main carrier device. A pair of non-heading leaf guides, the front part of the non-heading leaf guide is projected forward from the side surface conveying device, and the rear part is arranged so as to overlap with the stem cutting device in a plan view. Machine.