JP3853052B2 - Heading vegetable preparation equipment - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a device for preparing a headed vegetable in which a headed vegetable such as cabbage is mechanically harvested from a field and a rhizome and an outer leaf are excised from the headed vegetable at an appropriate position.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, various types of headed vegetable harvesting machines have been proposed in which headed vegetables such as cabbage vegetated in a field are mechanically harvested. And, as a device that cuts out the outer leaves and rhizomes at appropriate sites from the headed parts of the headed vegetables that have been mechanically harvested and attached with outer leaves and rhizomes, it is transported with the top of the headed parts facing down Above the conveyor, located on the left and right sides of the center line in the width direction of the conveyor, the head part made up of two or more wheel-like bodies or sled bodies with an interval larger than the outer diameter of the root part of the head part A height detection mechanism is provided, and this head height detection mechanism measures the amount of movement that moves up and down in contact with the outer surface of the outer surface of the head part, and detects the head part height according to the amount of movement. Japanese Patent Application Laid-Open No. 8-228557 proposes a preparation device for controlling the cutting position of a cutting blade provided above the conveyor on the rear side of the mechanism.
[0003]
[Problems to be solved by the invention]
In the above-mentioned device for preparing a headed vegetable, it is an electrical sensor that measures the amount of movement of the headed portion height detection mechanism that moves up and down in contact with the outer surface of the outer leaf of the headed portion. The cutting position of the cutting blade provided above the transport conveyor behind the head height detection mechanism is controlled by a personal computer according to the detected value (electrical information). For this reason, it is necessary to equip a laser displacement sensor, a control personal computer, a cutting blade drive motor, and the like, and there is a problem that the apparatus configuration is complicated and expensive, and the operation is complicated.
[0004]
The present invention has been made for the purpose of solving the above-mentioned problems. The head height detecting mechanism and the cutting blade are supported by a link body so as to be movable up and down, and the link bodies are connected by a link. The cutting blade is moved up and down in conjunction with the vertical movement of the head height detection mechanism without electrically measuring the vertical movement amount of the head height detection mechanism. An object of the present invention is to provide a device for preparing a headed vegetable that has a simple structure and is easy to operate at low cost.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention
A. In order to excise the outer leaf and rhizome part from the head part at an appropriate site, the head part of the head part of the head part is placed on the lower side and transported for the headed vegetables harvested with the outer leaf and rhizome part attached. Above the conveyor, located on the left and right sides of the center line in the width direction of the conveyor, the head part made up of two or more wheel-like bodies or sled bodies with an interval larger than the outer diameter of the root part of the head part A height detection mechanism is provided, and this head height detection mechanism measures the amount of movement that moves up and down in contact with the outer surface of the outer surface of the head part, and detects the head part height according to the amount of movement. In the preparation apparatus for head-bound vegetables that controls the cutting position of the cutting blade provided above the transport conveyor behind the mechanism,
The link body that supports the head height detection mechanism above and below and the link body that supports the cutting blades up and down are linked by a link, and cut in conjunction with the vertical movement of the head height detection mechanism. The blade is moved up and down to cut out the outer leaves and rhizomes from the head.
[0006]
B. The ratio of the lifting / lowering amount of the cutting blade with respect to the lifting / lowering amount of the head height detecting mechanism is changed by changing the position of the connecting fulcrum of the head height detecting mechanism of the connecting link to the link body or the link body of the cutting blade. It is characterized by the fact that it was made to let you.
[0007]
C. When the head part height detection mechanism detects the highest position of the headed vegetables with outer leaves, the cutting blades are arranged as close as possible so that the cutting blade starts to cut the headed vegetables.
[0008]
[Action]
With the above configuration, the device for preparing a headed vegetable of the present invention performs the following actions.
(1). The link body that supports the head height detection mechanism in a vertically movable manner and the link body that supports the cutting blade in a vertically movable manner are linked by a link, and the cutting blade is interlocked with the vertical movement of the head height detection mechanism. The head height detection mechanism moves up and down in contact with the outer surface of the head part of the head part that is transported by the transport conveyor, by cutting the outer leaf and rhizome part from the head part. The movement is directly transmitted to the cutting blade via the linkage link, and the cutting blade is moved up and down to cut off the unnecessary rhizome part and outer leaf of the head part at an appropriate position.
[0009]
(2). The ratio of the lifting / lowering amount of the cutting blade with respect to the lifting / lowering amount of the head height detecting mechanism is changed by changing the position of a link of the head height detecting mechanism of the connecting link or the connecting fulcrum position of the cutting blade to the link body. This makes it possible to adjust the amount of lifting of the cutting blade with respect to the vertical movement of the head height detection mechanism, such as when the headed vegetables have a flat shape or a shape close to a spherical shape. It is adjusted according to the shape of the headed vegetables, and the cutting work with high accuracy is performed.
[0010]
(3). When the head height detection mechanism detects the highest position of the headed vegetables with outer leaves, the head height is as close as possible so that the cutting blade starts to cut the headed vegetables. When the detection mechanism detects the highest position of the headed vegetables with outer leaves, the cutting blade starts to cut the headed vegetables almost simultaneously, thereby improving work accuracy and continuity of the work. Further, a mechanism for maintaining the height of the cutting blade can be omitted, and the structure can be simplified and the apparatus can be downsized.
[0011]
【Example】
Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
1 to 3, reference numeral 1 denotes a headed vegetable preparation device, which is a headed vegetable C with an outer leaf that has been harvested with an outer leaf c and a rhizome b (in this embodiment, cabbage). ), The outer leaf c and the rhizome part b are removed from the head part a at appropriate locations, and are placed at the lower part of the device frame 2 and placed with the top part of the head part a facing down. Above the transport conveyor 3 that rotates and transports, it is located on both the left and right sides of the center line in the width direction of the transport conveyor 3, and has two or more intervals with an interval greater than the outer diameter of the rhizome part b of the head part a A head height detection mechanism 4 including a head height detection wheel 4a or a sled body (not shown) is provided, and the head height detection mechanism 4 moves on the upper surface of the outer leaf c of the head part a to which the head part moves. Depending on the amount of movement that touches and moves up and down, the conveyance controller behind the head height detection mechanism 4 To lift control cutting position of the cutting blade 5 provided in the Layer 3 upward, but the fixed type (static standing).
[0012]
The conveyor 3 supports a pair of left and right sprockets 3a at the front end and the rear end of the apparatus frame 2 extending long in the front-rear direction, and horizontally wraps chains 3b, 3b between the front and rear sprockets 3a, 3a. ing. Between this pair of left and right chains 3b, 3b, a headed vegetable mounting plate 3c for carrying the headed portion a of the headed vegetable a with outer leaves at a predetermined interval in the lengthwise direction is placed on the lower side. The chains 3b and 3b are attached at intervals. Further, when the headed vegetables C with outer leaves are placed on the placing plate 3c and moved to the rear position in the moving direction (in the direction of the arrow in FIG. 1) of the heading vegetables placing plate 3c with a predetermined interval, they are moved back and forth. There are provided anti-tilt plates 3d for preventing tilting (four locations in FIG. 1).
[0013]
Nipping and conveying belts 8 and 8 which are wound endlessly between a pair of front and rear pulleys 6 and 7 and rotate in the direction of the arrow in FIG. ing. Tension pulleys 9 and 10 are provided on the inner side of the holding and conveying belts 8 and 8 respectively on the front side and the rear side, and the tension pulley 10 on the rear side of these is rotated in the horizontal direction around one fulcrum 11a. The holding and conveying belt 8 is urged in the tension direction by a compression spring 12 that is pivotally supported at the tip of the support arm 11 that is freely supported and is interposed between the support arm 11 and the apparatus frame 2.
[0014]
The head height detection mechanism 4 is located above the transport start end of the transport conveyor 3 and has a pair of left and right (may be two or more) head height detection wheels 4 a and one end at the front of the apparatus frame 2. A wheel (sledge) support arm 14 is connected to the other end of a parallel link 13 that is pivotally supported and rotatable in the vertical direction, and is connected to a lower portion of the wheel (sledge) support arm 14 so as to be vertically movable. Are supported separately on the left and right. Therefore, the head height detection wheels 4 a and 4 a can independently move up and down within the operating range of the vertical movement link 15.
[0015]
The cutting blade 5 is fixed to the output shaft of the cutting blade driving motor 16 and is rotated in the horizontal direction above the terminal end of the conveyor 3 behind the head height detection mechanism 4. The cutting blade drive motor case 16 a is movable up and down along a cutting blade lifting guide 18 that is vertically supported between the cutting blade support frame 17 extending from the device frame 2 and the lower device frame 2. It is supported. The lower end portion of the cutting blade initial position adjusting turnbuckle 19 is connected to the upper end portion of the case 16a, and the upper end portion of the turnbuckle 19 has one end portion pivotally supported by the apparatus frame 2 so as to be rotatable up and down. It is connected to the other end of the lifting link 20. One end side of the cutting blade lifting link 20 protrudes from the device frame 2 by a predetermined length, and a cutting blade lifting motion support spring 21 is provided between the protruding end and the device frame 2.
[0016]
The upper link of the parallel link 13 of the heading part height detection mechanism 4 and the link 20 for raising and lowering the cutting blade are connected by a connecting link 22, and interlocked with the vertical movement of the heading part height detection mechanism 4. The cutting blade 5 is moved up and down, and the cutting blade 5 cuts the outer leaf c and the rhizome portion b from the head portion a. The connecting link 22 is connected to the parallel link 13 and the lifting link 20 by selecting a plurality of link connecting holes 13a, 20a provided in the parallel link 13 and the lifting link 20, and the connecting link 22 is selected by the selection. Is changed, and the ratio of the lifting / lowering amount of the cutting blade 5 to the lifting / lowering amount of the head height detection mechanism 4 is changed. Moreover, when the head part height detection mechanism 4 detects the highest position of the headed vegetables C with outer leaves, the head part height detecting mechanism 4 and the cutting blade 5 are set so that the cutting blade 5 starts to cut the head vegetables C. Are arranged as close as possible.
[0017]
Next, operation | movement of the headed vegetable preparation apparatus 1 comprised as mentioned above is demonstrated. First, at the time of the preparation operation, a plurality of link connection holes 13a, 20a are selected as the connection state of the link 22 to the parallel link 13 and the lifting link 20 according to the characteristics of the machine-harvested cabbage C and the shape. To adjust. Further, the cutting blade initial position adjusting turnbuckle 19 is used to adjust the cutting initial position of the cutting blade 5. And the cabbage C with the rhizome part b and the outer leaf c attached to the head part a machine-harvested from the field is tilted forward and backward with the top part of the cabbage C at the starting end of the transport conveyor 3. When supplied along with the prevention plate 3d, the cabbage C is transported in a stable posture without being tilted forward, backward, left and right, while being sandwiched by the sandwiching and transporting belts 8 and 8 on both the left and right sides in the moving process transported by the transport conveyor 3.
[0018]
When the cabbage C reaches the head height detection mechanism 4 position, a pair of left and right head height detection wheels 4a are in contact with the upper surfaces of the outer leaves c on both sides of the rhizome b of the head portion a, and the vertical movement links 15 respectively. Separately, it moves up and down, detects its highest position, and moves the parallel link 13 up and down via the support arm 14. When the parallel link 13 moves up and down, the cutting blade raising / lowering link 20 is moved up and down lightly by the cutting blade raising / lowering motion support spring 21 via the link 22 in conjunction with the movement amount, and the turnbuckle 19 and the cutting blade are driven. The cutting blade 5 is moved up and down through the motor case 16a and the cutting blade drive motor 16, the rhizome part b and the outer leaf c are cut from the head part a at appropriate positions, and discharged from the conveying terminal of the conveying conveyor 3. Let
[0019]
In addition, although the said Example demonstrated the case where this invention was applied to a fixed type | mold (stationary type | mold), this invention can be similarly applied, for example to a mobile head vegetable harvester.
[0020]
【The invention's effect】
As described above, according to the device for preparing a headed vegetable of the present invention, the following effects can be obtained.
[0021]
(1). The link body that supports the head height detection mechanism in a vertically movable manner and the link body that supports the cutting blade in a vertically movable manner are linked by a link, and the cutting blade is interlocked with the vertical movement of the head height detection mechanism. Since the outer leaf and the rhizome were excised from the head part by moving the head part up and down, the head part height detection mechanism moves up and down in contact with the outer surface of the outer part of the head part that is conveyed by the conveyor. This up-and-down movement is directly transmitted to the cutting blade through the linkage link, and the cutting blade is moved up and down, so that the unnecessary rhizome portion and outer leaf of the head portion can be cut at an appropriate position. In addition, the apparatus configuration is simple and can be provided at low cost. Furthermore, since the cutting blade is moved up and down in conjunction with the vertical movement of the head height detection mechanism, no special operation is required.
[0022]
(2). The ratio of the lifting / lowering amount of the cutting blade with respect to the lifting / lowering amount of the head height detecting mechanism is changed by changing the position of a link of the head height detecting mechanism of the connecting link or the connecting fulcrum position of the cutting blade to the link body. Because it has done so, it is possible to adjust the amount of lifting of the cutting blade with respect to the vertical movement of the head height detection mechanism, and when the headed vegetables have a flat shape or a shape close to a spherical shape For example, it can be adjusted according to various shapes of headed vegetables to perform cutting work with high accuracy.
[0023]
(3). When the head height detection mechanism detects the highest position of the headed vegetables with outer leaves, the cutting blades are placed as close as possible so that the cutting blade starts to cut the headed vegetables. When the mechanism detects the highest position of the headed vegetables with outer leaves, the cutting blade starts to cut the headed vegetables almost simultaneously, improving the working accuracy and obtaining continuity of work. Further, a mechanism for maintaining the height of the cutting blade can be omitted, and the structure can be simplified and the apparatus can be downsized.
[Brief description of the drawings]
FIG. 1 is an overall side view of a head vegetable preparation apparatus according to the present invention.
FIG. 2 is a plan view of the same.
FIG. 3 is a cross-sectional view taken along line AA in FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Headed vegetable preparation apparatus 2 Device frame 3 Conveyor 3a Sprocket 3b Chain 3c Headed vegetable mounting board 3d Anti-tilt plate 4 Headed part height detection mechanism 4a Headed part height detection wheel 5 Cutting blades 6, 7 Pulley 8 Holding transport Belts 9 and 10 Tension pulley 11 Support arm 11a Support point 12 Compression spring 13 Parallel link 13a Link connection hole 14 Wheel support arm 15 Vertical link 16 Cutting blade drive motor 16a Cutting blade drive motor case 17 Cutting blade support Frame 18 Cutting blade lifting guide 19 Cutting blade initial position adjustment turnbuckle 20 Cutting blade lifting link 20a Link connection hole 21 Cutting blade lifting support spring 22 Linking link C Tubed vegetables with outer leaves (cabbage) a Heading portion b Rhizome Part c Outer leaf

Claims (3)

In order to excise the outer leaf and rhizome part from the head part at an appropriate site, the head part of the head part of the head part is placed on the lower side and transported for the headed vegetables harvested with the outer leaf and rhizome part attached. Above the conveyor, located on the left and right sides of the center line in the width direction of the conveyor, the head part made up of two or more wheel-like bodies or sled bodies with an interval larger than the outer diameter of the root part of the head part A height detection mechanism is provided, and this head height detection mechanism measures the amount of movement that moves up and down in contact with the outer surface of the outer surface of the head part, and detects the head part height according to the amount of movement. In the preparation apparatus for head-bound vegetables that controls the cutting position of the cutting blade provided above the transport conveyor behind the mechanism,
The link body that supports the head height detection mechanism above and below and the link body that supports the cutting blades up and down are linked by a link, and cut in conjunction with the vertical movement of the head height detection mechanism. A device for preparing a headed vegetable, wherein the blade is moved up and down to cut out the outer leaf and the rhizome from the headed portion. The ratio of the lifting / lowering amount of the cutting blade with respect to the lifting / lowering amount of the head height detecting mechanism is changed by changing the position of the connecting fulcrum of the head height detecting mechanism of the connecting link to the link body or the link body of the cutting blade. The apparatus for preparing a headed vegetable according to claim 1, wherein the device is prepared. When the head height detection mechanism detects the highest position of the headed vegetables with outer leaves, the cutting blades are arranged as close as possible so that the cutting blade starts to cut the headed vegetables. Item 1. A device for preparing headed vegetables according to item 1 or 2.

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