JPH08228557A - Preparing apparatus of head vegetable - Google Patents

Abstract

PURPOSE: To provide a preparing apparatus of a head vegetable for harvesting the head vegetable such as cabbage from a field by mechanizing, and cutting a rhizome part and outer leaves from the head vegetable at a suitable position. CONSTITUTION: This preparing apparatus of head vegetable controls the cutting position of a cutting blade correspondingly to a ball height of the head part of a head vegetable harvested in a state having outer leaves and a rhizome part for cutting the outer leaves and the rhizome part off the head part at a suitable position. For this purpose, a head part height-detecting mechanism comprising more than two wheel bodies or sledge bodies positioning at right and left sides of a center line in a breadth direction with an interval wider than the outer diameter of the head part is provided above a carrying conveyer carrying by laying an apex part of the head part to a lower side. The head part height-detecting mechanism is vertically moved while attaching to outer faces of the outer leaves of the transferring head part and the vertically moved distance is measured, then the cutting position by the cutting blade provided above the carrying conveyer and in the rear of the head part height-detecting mechanism is controlled according to the moved distance.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for preparing headed vegetables in which headed vegetables such as cabbage are mechanically harvested from a field and the rhizomes and outer leaves are cut out from the headed vegetables at appropriate positions. .

[0002]

2. Description of the Related Art Heretofore, various types of heading vegetable harvesting machines have been proposed for mechanically harvesting heading vegetables vegetated in a field. For example, on one side of the machine equipped with a pair of left and right crawlers, the rhizome of the heading vegetables vegetated in the field is clamped from both left and right sides while rotating, and withdrawal part to be extracted from the field as the machine progresses, and withdrawn. A pair of left and right screw conveyors consisting of a conveyor that conveys headed vegetables to the rear of the machine are provided, and the posture of the headed vegetables is controlled by pressing the top of the headed vegetables from the top during the transfer process by this conveyor. The applicant has proposed that the lower part of the lower lobe is cut from a predetermined position.

[0003]

However, the heading vegetables that are harvested from the field by the harvester and transported by the conveyor have different heights (thicknesses) and outer diameters. If the rhizome of the headed vegetables and the lower part of the lower leaves are cut from the predetermined position during the transportation process by the conveyor, it is not always possible to cut the unnecessary lower leaves and roots at the proper positions, and recut by human power at the time of shipping. There were often times when I had to do it.

The present invention has been made for the purpose of solving the above problems, and has a ball height of headed vegetables with outer leaves and rhizomes and a headed height of headed vegetables prepared for shipment. Has been found to have a high correlation, so based on this finding, when cutting unnecessary lower leaves and rhizomes from headed vegetables, measure the head height of headed vegetables with outer leaves. By doing so, it is intended to provide a heading vegetable preparation device capable of accurately estimating an appropriate cutting position and controlling the cutting position of the cutting blade.

[0005]

Means for Solving the Problems To achieve the above object, the present invention is directed to headed vegetables harvested with outer leaves and rhizomes, and the outer leaves and rhizomes from the heads are appropriately selected. A device for preparing headed vegetables, which controls the cutting position of the cutting blade according to the ball height of the head, in order to cut off at various parts,
It is located above and below the transport conveyor that carries the ball head with the top of the ball head downward, and is located on both the left and right sides of the center line in the width direction of the transport conveyor, with a space equal to or greater than the outer diameter of the root portion of the ball head.
A ball head height detection mechanism consisting of one or more wheel-shaped bodies or sled bodies is provided, and this ball head height detection mechanism measures the amount of vertical movement in contact with the outer surface of the outer leaf of the head of the moving ball. The cutting position of the cutting blade provided above the transport conveyor behind the ball head height detection mechanism is controlled according to the movement amount.

[0006]

With the above-described structure, the apparatus for preparing headed vegetables according to the present invention has the wheel-shaped body of the head height detecting mechanism on the outer surface of the outer leaf of the head, which is conveyed from the conveyor with the top of the head downward. Alternatively, the sled body comes into contact with and moves up and down, the amount of movement thereof is measured, and the cutting blade is moved to excise unnecessary rhizomes and outer leaves of the bulb portion at appropriate positions. Therefore, the ball head can be shipped as it is.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the accompanying drawings. 1 to 5, reference numeral 1 is a headed vegetable preparation device, and this preparation device 1 was harvested by cutting the lower part of the rhizome from the field with mechanical force in a state where the outer leaf 3 and the rhizome 4 were attached. In order to cut the outer leaf 3 and the rhizome 4 from the bulb 5 at an appropriate site for the cabbage 2 (head vegetable), depending on the ball height of the bulb 5 with the outer leaf 3 and the rhizome 4. It is of a fixed type (stationary type) in which the cutting position of the cutting blade 25 is controlled.

The frame 6 of the preparation apparatus 1 has a rotating shaft 7
a, 8a supported by a pair of front and rear pulleys 7 and 8 provided in the horizontal direction between the outer leaf 3 and the rhizome 4 and the head portion 5
The carrying conveyor 9 for carrying with the top of the
It is wound endlessly so as to rotate in the direction of the arrow. On both the left and right sides of the transport conveyor 9, endless sandwiching transport belts 12 and 12 wound between a pair of front and rear pulleys 10 and 11 are provided with their inner sides facing each other, and are directed inward (in the arrow direction). It is provided to rotate.
Inside the sandwiching conveyor belts 12, 12, outer diameter measuring wheels 13 and 13 for headed vegetables with outer leaves are provided on the front side and tension wheels 15 and 15 are provided on the rear side, respectively, to measure outer diameters of headed vegetables with outer leaves. The movement amount of the measuring wheel 13 is the laser displacement sensor 14,
14 and the data is detected by the control personal computer 24.
Is input to

Above the transport start end of the transport conveyor 9 and on the left and right sides of the center line C in the width direction of the transport conveyor 9, a distance equal to or larger than the outer diameter of the rhizome 4 at the center of the bulb portion 5. A pair of left and right (may be two or more) height-measurement wheels 16 for headed vegetables with outer leaves are provided by opening.
The wheel head height measuring wheel 16 is connected to a wheel (sledding) support arm 19 via a parallel link 18 from a column 17 erected on the frame 6 so as to be vertically movable. Vertical link 2 connected to the bottom
Left and right are separately supported by 0. Vertical link 2
0 and the frame 6 diagonally above the opposite side of the parallel link 18 between the vertical measurement assisting springs 21 of the height measuring wheel (sledding).
Has been erected. Further, a reflection plate 22 is attached to the upper end of the column 17, and a laser displacement sensor 23 is arranged above the reflection plate 22 so as to face the reflection plate 22, and the vertical movement data of the ball head height measuring wheel 16 is a control personal computer. 24 is input.

A cutting blade 25 has a cutting blade driving motor 2 above the conveyor 9 behind the wheel height measuring wheel 16.
The output shaft 6 is fixedly mounted. The supporting frame of the cutting blade driving motor 26 is screwed onto the spiral shaft 27, and the spiral shaft 27 is transmitted from the cutting blade height control motor 28 by the transmission gear 29 to rotate in the forward and reverse directions, and the cutting blade driving motor 26. The cutting blade 25 is moved up and down through the support frame. The command for forward / reverse rotation of the cutting blade height control motor 28 is the detection value of the laser displacement sensor 23 due to the vertical movement of the head height measuring wheel 16, and the outer diameter measuring wheels 13 and 13 of the headed vegetables with outer leaves. Is performed by the output value calculated and output in the control personal computer 24 based on the detection values of the laser displacement sensors 14, 14 due to the horizontal movement of the.

Height measuring wheel 16 for headed vegetables with outer leaves
Instead of this, the height measuring sled 30 for headed vegetables with outer leaves shown in FIGS. 7 to 9 may be used. The height measuring sled 30 for heading vegetables is sled supporting arms 31, 31 vertically attached to both left and right sides of the vertical movement link 20.
It is fixed to the lower end of the
To the configuration of FIG.

Next, the operation of the heading vegetable preparation device 1 configured as described above will be described. For example, when the cabbage 2 including the outer leaf 3 and the bulb portion 5 with the rhizome 4 mechanically harvested from the field is placed on the beginning of the conveyance of the conveyor 9 and the top of the cabbage 2 is supplied downward, the conveyor conveys. 9
The height measuring wheel 16 of the headed vegetable with outer leaves or the height measuring sled 30 of the headed vegetable with outer leaves contacts the upper surfaces of the outer leaves 3 on both sides of the rhizome 4 by the parallel link 18 and the height. Spring 21 for supporting vertical movement of measuring wheel (sledding)
When the height of the left and right outer leaves 3 is different, the vertical movement link 2 is moved as shown in FIG.
Depending on 0, the height measurement wheel 16 of the left and right headed vegetables with outer leaves or the height measuring sled 30 of the headed vegetables with outer leaves moves up and down separately to move the wheel (sledding) support arm 19 up and down.
The movement amount, that is, the height of the cabbage 2 is measured by the reflection plate 22 and the laser displacement sensor 23, and the control personal computer 2
4 is input.

On the other hand, on both left and right sides in the radial direction of the cabbage 2 transported by the transport conveyor 9, the sandwich transport belt 1 is provided.
2, 12 rotate at a speed synchronized with the moving speed of the transport conveyor 9 to clamp and move the cabbage 2 stably, and by lateral movement of the sandwich transport belts 12, 12, the outer diameter measuring wheel for headed vegetables with outer leaves. 13 and 13 are moved, the movement amount,
That is, the outer diameter of the cabbage 2 is detected by the laser displacement sensors 14 and 14, and the data is input to the control personal computer 24.

As described above, the control personal computer 24 also receives the height data of the cabbage 2 by the height measuring wheel 16 for headed vegetables with outer leaves or the height measuring sled 30 for headed vegetables with outer leaves. Outer diameter measuring wheel for headed vegetables with leaves 13,
The data of the outer diameter of the cabbage 2 is input by 13 respectively, and the appropriate cutting height of the outer leaf 3 and the rhizome 4 of the cabbage 2 is calculated and calculated from these data, and is output to control the height of the cutting blade. It is sent to the motor 28. Then, the transmission gear 29 is rotated by the forward / reverse rotation of the cutting blade height control motor 28.
The spiral shaft 27 is rotated forward and backward through the cutting blade 25 to move the cutting blade 25 up and down to cut the upper part of the cabbage 2 at an appropriate position to remove the unnecessary outer leaf 3 and the rhizome 4. Calculation of this cutting height, the ball height and outer diameter of the headed vegetables with outer leaves and rhizomes,
This is because it was found that there is a high correlation with the ball height of heading vegetables prepared on the premise of shipment.

In the above embodiment, the cutting height of the cabbage 2 may be determined only by the height measuring wheel 16 for headed vegetables with outer leaves or the height measuring sled 30 for headed vegetables with outer leaves. Alternatively, the cutting height of the cabbage 2 may be determined only by the outer diameter measuring wheels 13, 13 of the headed vegetables with outer leaves, but in that case, the height of the headed vegetables and the ratio of the outer diameter are different from each other. When it is significantly different from the individual crop, the crop may be transported in an inclined state, and it also has the function of inducing the safety side so as not to cut deeply into the head part.

In the above embodiment, the case where the present invention is applied to the fixed type (stationary type) has been described, but the present invention can be similarly applied to, for example, a mobile headed vegetable harvester.

[0017]

As described above, according to the apparatus for preparing headed vegetables of the present invention, the head of the headed head with outer leaves and rhizomes is placed on the lower side of the conveyor for carrying. , A head for detecting the height of a ball portion, which is located on both the left and right sides of the center line in the width direction of the transfer conveyor, and is formed by two or more wheel-shaped bodies or sled bodies with a space equal to or larger than the outer diameter of the rhizome of the head portion. The head height detection mechanism is provided to measure the amount of vertical movement in contact with the outer surface of the outer leaf of the head that is moving, and according to the amount of movement, the conveyance behind the head height detection mechanism is performed. Since the cutting position of the cutting blade provided above the conveyor is controlled, unnecessary outer leaves and rhizomes can be accurately cut and removed. As a result, it becomes possible to ship the heading part as it is without manual preparation.

[Brief description of drawings]

FIG. 1 is an overall side view of a headed vegetable preparation device according to the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of the same.

FIG. 4 is a rear view of the same.

FIG. 5 is a front view of a head height detecting mechanism (wheel).

FIG. 6 is an explanatory diagram of the same operation.

FIG. 7 is an overall side view of a head height detecting mechanism (sledding) according to another embodiment of the present invention.

FIG. 8 is a plan view of the same.

FIG. 9 is a front view of the same.

[Explanation of symbols]

 1 heading vegetable preparation device 2 cabbage 3 outer leaf 4 rhizome 5 heading portion 6 frame 7,8,10,11 pulley 7a, 8a rotary shaft 9 carrier conveyor 12 sandwiching conveyor belt 13 outer diameter measuring wheel of headed vegetable with outer leaf 14 , 23 Laser displacement sensor 15 Tension wheel 16 Height measuring wheel of headed vegetables with outer leaf 17 Column 18 Parallel link 19 Wheel (sledding) support arm 20 Vertical movement link 21 Vertical movement support spring of height measurement wheel (sledding) 22 Reflector 24 Control personal computer 25 Cutting blade 26 Cutting blade drive motor 27 Spiral shaft 28 Cutting blade height control motor 29 Transmission gear 30 Sledge measuring height of headed vegetables with outer leaves 31 Sledge support arm C Conveyor width Direction center line

Claims (1)

[Claims] 1. A heading vegetable harvested with an outer leaf and a rhizome attached to a head of the head, so as to remove the outer leaf and the rhizome from the head at an appropriate site. A heading vegetable preparation device for controlling the cutting position of a cutting blade, which is located above and below a transfer conveyor on which the head of the ball is placed and transferred, and on both left and right sides of the width center line of the transfer conveyor. And leave a space equal to or greater than the outer diameter of the rhizome of the bulb head 2
A ball head height detection mechanism consisting of one or more wheel-shaped bodies or sled bodies is provided, and this ball head height detection mechanism measures the amount of vertical movement in contact with the outer surface of the outer leaf of the head of the moving ball. A device for preparing headed vegetables, characterized in that the cutting position of a cutting blade provided above the conveying conveyor behind the head height detecting mechanism is controlled according to the amount of movement.