JPH0939A - 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. Be able to cut without leaving uncut or overcut parts. [Structure] A pair of screw-type main transfer devices 14 are arranged in the front-rear direction at the rear of the digging section, and the left and right main transfer devices 14 are driven in opposite directions so that their rotational speeds are different from each other. , The stem portion Kb of the heading vegetable K is nipped and conveyed while being rotated upward, and the root portion cutting device 20 is provided in the front lower portion of the main conveying device 14, and the stem portion cutting device 21 is provided on the rear portion. A non-heading leaf cutting device 22 composed of a plurality of vertical blades is provided between the cutting device 20 and the stem cutting device 21, and the left and right sides are provided above the main transport device between the root cutting device and the stem cutting device. Then, the side surface transport device 12 in which the belt is wound is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for removing a non-heading leaf (onion leaf or outer leaf) in a headed vegetable harvester such as cabbage during transportation after digging.

[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 disc is cut so that the headed vegetables and the stems are cut when the headed vegetables are dug up and transferred to the main transfer device. Although the shape-shaped cutter was arranged in the middle of conveyance, the disc-shaped cutter was arranged in parallel with the conveyance direction, so that uncut or excessive cutting of the stem portion occurred. That is, since the boundary between the non-heading leaf and the heading part is not detected and cut, the height of the cutter is adjusted based on the height of the transfer surface of the main transfer device to cut the head. Some leaves and stems remain, and unnecessary stems and non-headed leaves are manually cut again, or too much cuts damage the headed part and reduce the commercial value.

[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, in a heading vegetable harvester that digs headed vegetables, holds both sides and conveys them backward while cutting off non-heading leaves and stems, a pair of screw-type main transfer devices are provided in the front-back direction at the rear of the digging section. The left and right main transporting devices are driven in opposite directions so that the rotation speeds thereof are different from each other, and the stems of the headed vegetables are sandwiched and rotated while being transported backward and upward, and the main transporting device is also disposed. A root cutting device is provided in the front lower part, a stem cutting device is provided on the rear part, and a non-bulb leaf cutting device consisting of a plurality of vertical blades is provided between the root cutting device and the stem cutting device, and the root part The belt is wound so as to face left and right above the main carrier between the cutting device and the stem cutting device, and a side carrier having different left and right carrier speeds is provided.

[0005]

Next, the operation will be described. The heading vegetables are dug by the digging device and conveyed to the rear, and the stems of the heading vegetables are pinched and conveyed to the rear by the main conveying device. The root part is cut at the front part, and the heading vegetables are transferred while being rotated by the difference in rotation speed of the left and right main transfer devices, the non-heading leaves are cut off by the non-heading leaf cutting device in the middle of the transfer, and the stem parts at the rear part. Are excised.

[0006]

EXAMPLES Next, examples will be described. 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 sectional view taken along the line VV in FIG. 2, and FIG. 5 is a cross-sectional view, FIG. 5 is a plan view showing another embodiment of the carrying section, and FIG. 6 is a cross-sectional view taken along the line XX in FIG.

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. Then, the excavation part A, the upper surface pressing conveyance device 10, and the main conveyance devices 14 and 14 are attached to the conveyance frame 9 and the excavation part A is provided at the front end of the conveyance part B. The excavation section A is composed of a pair of scraping devices 6 and 6, front conveying sections 14a and 14a of a pair of main conveying devices 14 and 14 and gauge wheels 11 and 11. The gauge wheels 11 and 11 set the excavation height. The scraping device 6 rotates the star wheels or the protruding tines in opposite directions to scrape the cabbage K into the space. The main transport devices 14 and 14 are arranged in parallel to the front lower rear height and are rotated in the opposite directions to each other.
Forms a part of the excavated portion A by sandwiching the stem of the cabbage K and transporting it so as to pull it back upward.

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 and the rear transfer part 14b is located at the transfer part B. The conveying devices 14 and 14 are made of an elastic material and are of a screw type. Then, the left and right main transfer devices 14, 14
The rotational speed of the left and right wheels are driven differently, and the cabbage K is placed between the blades constituting the main transfer device 14/14.
The stem portion of the cabbage is clamped, and the cabbage K is rotated and conveyed backward by the rotation of the screw and the difference in the number of rotations.

Above the main transfer devices 14, 14, an upper surface pressing transfer device 10 is arranged in parallel with the main transfer device 14. The upper surface press transport device 10 is
The upper surface holding and conveying device 10 is supported by a mounting frame 15 projecting upward from the side portions of the conveying frames 9L and 9R, and a flat belt made of an elastic material such as rubber is provided above the left and right main conveying devices 14 and 14 above. The drive shaft and the driven shaft are arranged horizontally. The main transport device 14
When the cabbage K is conveyed by 14, the upper surface of the cabbage K is pressed by the flat belt so that the cabbage K is not lifted and conveyed backward without being rotated. I am going to carry it to.

The root cutting device 20 is located at the front lower part of the main carrier 14 and the stem cutting device 2 is located at the rear upper part.
1. The non-heading leaf cutting device 22 is arranged in the front part thereof, and 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 conveying surface. hand,
The blades are arranged between the main transfer devices 14 and 14. The non-heading leaf cutting device 22 is composed of a plurality of vertical blades, the blade surface of which faces the front,
It is arranged in the vertical direction so as to be biased to either one of the above, and is fixed so as to project slightly above the transfer surface of the main transfer device 14. However, although not shown, the height of the blade of the non-bulb leaf cutting device 22 can be adjusted. Further, instead of the vertical blade, a plurality of rotary blades may be arranged in series.

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 part is held between the parts 14a and 14a, and is pulled out and lifted while being sent backward. Then, the rear transport portions 14b, 14b of the main transport device 14, 14 and the upper surface pressing transport device 10 transport the cabbage K backward while holding the upper surface of the cabbage K from above.
Due to the difference in the number of rotations of the left and right screws, the cabbage K is rotated and conveyed backward. After that, the transport unit 14b
14b, the lower part of the root is cut by the root cutting device 20 in the front part of the conveyance, and the periphery of the stem Kb is cut by the rotation of the cabbage K by the non-heading leaf cutting device 22 as shown in FIG. The non-heading leaves Ka are excised.

When cutting the non-heading leaves Ka, the root cutting device 20 and the stem cutting device are provided as shown in FIGS. 5 and 6 so that the carrying posture of the cabbage K is not disturbed by the cutting resistance of the vertical blades. 21 between the main transfer devices 14 and 14
It is also possible to dispose the side surface transfer devices 12 and 12 above and in parallel with the main transfer device 14 so that both sides of the cabbage K are pinched and transferred. This side transfer device 12.1
2, a flat belt made of an elastic material such as rubber is wound in the left-right and front-rear directions, and the cabbage K is surely rotated by matching the left-right rotational speed with the transfer speed of the main transfer devices 14 and 14. While being conveyed backward and upward, the non-heading leaf cutting device 22 can reliably cut off the non-heading leaf Ka.

Then, at the rear of the non-heading leaf cutting device 22,
While being conveyed to the rear, the stem K is cut by the stem cutting device 21.
The root of b is cut, and finish cutting is performed. At this time, since the non-heading leaves Ka have been cut off, the lower surface of the heading portion of the cabbage K is carried on the main carrier device 14/14, and the root position of the stem portion Kb of the cabbage K has a substantially constant height. The cutting position is kept constant and the cutting position becomes constant, and it is possible to prevent uncut or overcut. Then, from the rear end of the main transport device 14, the sorting transport device 4 transports it into the storage unit 3 and stores it.

[0015]

Since the present invention is constructed as described above,
It has the following effects. That is, as in claim 1, the cutting device can be constructed at a low cost with a simple structure in which a plurality of vertical blades are arranged in series, and the non-headed leaves can be cut without applying power during the transportation of the cabbage K. it can. In addition, before cutting the root of the stem of headed vegetables, the non-heading leaves are cut and removed by the cutting device, so that the cutting position of the stem in the next step can be accurately positioned, leaving uncut or overcut. Can be prevented and the commercial value can be increased.

According to the second aspect of the invention, the side surface of the cabbage K is clamped when cutting the non-heading leaves, and the cabbage K can be conveyed while rotating with the rotation of the main transfer device. You will be able to reliably cut.

[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.

3 is a cross-sectional view taken along the line VV in FIG.

FIG. 4 is a sectional view taken along the line WW in FIG.

FIG. 5 is a plan view showing another embodiment of the transport unit.

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

[Explanation of symbols]

 A Digging section K Cabbage 12 Side transfer device 14 Main transfer device 20 Root cutting device 21 Stem cutting device 22 Non-heading leaf cutting device

 ─────────────────────────────────────────────────── ─── 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 heading vegetable harvester for digging out heading vegetables, holding both sides and carrying them backward while cutting off non-heading leaves and stems, and a pair of screw-type main transfer devices at the rear of the heading section. Are arranged in the front-rear direction, and the left and right main carrier devices are driven in opposite directions so that the rotational speeds thereof are different from each other, and the heading vegetables are conveyed backward and upward while rotating the headed vegetables, and at the front lower part of the main carrier device. A rooting cutting device is provided in the rear part, a stem cutting device is provided on the rear part, and a non-heading leaf cutting device including a plurality of vertical blades is provided between the root cutting device and the stem cutting device. Harvester. 2. A side transfer device having left and right belt windings and having different left and right transfer speeds is provided above the main transfer device between the root cutting device and the stem cutting device so as to be opposed to each other. Item 1. A headed vegetable harvester according to item 1.