JP2020036571A - Carrot leaf cutting device - Google Patents

Abstract

To provide a carrot leaf cutting device capable of surely, safely, and efficiently, cutting a carrot leaf, especially, a frostbitten leaf, for carrots with a leaf with different sizes.SOLUTION: There is provided a carrot leaf cutting device configured to cut a leaf part of a carrot with a leaf, by using a transport device which is actuated in an almost horizontal direction by a conveyor belt being wound by a rotation drive source, a recess part for storing the carrot with a leaf is provided on a surface of an elastic material attached to a surface of the conveyor belt, and a positioning guide for positioning a cutting blade fixed to a one side end machine frame of the conveyor belt and a cutting part of the carrot with a leaf is provided. A cylindrical press roller for pressing and fixing the carrot with a leaf is installed above the conveyor belt, and the carrot with a leaf mounted on the recess part is horizontally moved by actuation of the conveyor belt in the horizontal direction and contacts the cutting blade, thereby cutting the leaf part of the carrot with a leaf.SELECTED DRAWING: Figure 1

Description

  TECHNICAL FIELD The present invention relates to an apparatus for cutting leaves and tail roots of harvested carrots, particularly carrots with frost-dead leaves (carrots in which the carrot leaves meet frost and the leaves are dead after the New Year).

  Winter carrot crops in the Kanto region are sown in early August, and after harvesting from the beginning of November to March of the following year after management. Until the end of December this year, the carrot can be harvested with Carobesta (registered trademark), a carrot harvester that grabs and extracts carrot leaves. It is possible, but in the case of carrots with frosted leaves, the holding of the Carobester (registered trademark) by the holding conveyor belt cannot withstand the pulling force, it is cut off and remains on the spot, and the harvesting work with the Carobestar (registered trademark) becomes difficult. . In addition, the harvest is usually carried out in January to March, when about 30% is obtained until December and the remaining about 70% is frosted with leaves.

  Carobesta (registered trademark) cannot be harvested when it is in a state with frosted leaves, and it is dug out from the soil with frosted leaves using a potato mower or the like (see Fig. 8), and an aged farmer manually works in a field. The frost-leaved leaves are cut one by one with a cutter knife (see FIG. 9), or stored in a container or the like and brought to a work place to perform the same operation (see FIG. 10). As described above, since it takes a long time to work manually one by one in the cold wind, it is exposed to the pressure of fatigue and stress. There is an urgent need to provide a carrot leaf cutting device capable of facilitating these operations.

  Therefore, an apparatus is disclosed in which harvested carrots with leaves are supplied one by one, carrots and the like are positioned, and then the leaves are cut by a rotary blade (for example, see Patent Document 1).

  Furthermore, it is provided with a means for automatically removing the rhizome part together with the outer leaf part from a head vegetable such as cabbage, and cutting and separating the rhizome part of the head vegetable together with the outer leaf part from the head part by a fixed blade. A head vegetable harvester is disclosed (for example, see Patent Document 2).

  Further, there has been disclosed an automatic ginseng leaf cutting apparatus having a mechanism in which a ginseng leaf portion is pulled by a roller and cut using a rotary blade (for example, see Patent Document 3).

  Further, in a root crop harvesting machine such as a radish, a device for roughly cutting the leaf stem has been disclosed (for example, see Patent Document 4).

JP-A-9-94083 JP-A-8-107708 Japanese Utility Model Publication No. 4-17037 JP 2001-28917 A

  In the technique described in Patent Document 1 described above, it is assumed that dead leaves of carrot may be wrapped around the roller for moving the carrot to the guide, and at the same time, dead leaves may be interposed between the guide and the main root of the carrot. In addition to being unable to be installed on the guide, carrots of different sizes cannot be fixed on a conveyor with the same size receiving tray and may move, so it is very difficult to cut dead leaves with the main root of the carrot. .

  In addition, in Patent Document 2, the purpose of harvesting the head portion of the head vegetables is a device for fixing the root portion without means other than a method of fixing the root portion in a carrot with frosted leaves that harvests the root portion for removing the root portion. It is difficult to use because it cannot be cut due to the lack of an accessory and the structure of the blade.

  In Patent Literature 3, there is a risk that a leaf or a finger is pulled in by a machine with a mechanism that pulls in a leaf portion with a roller and cuts using a rotary blade. At the same time, it is not practical to pull the frost dead leaves with a roller because the strength of the dead leaves is broken off.

  Further, in Patent Document 4, the main purpose is to harvest the radish, and the mechanism for cutting the leaves at a position away from the root of the roots and simultaneously cutting the fresh leaves, using a belt or a chain or the like in the opposite direction to the cutting edge. In the case of a carrot with a dead leaf because the leaf is pressed, it cannot be used for a carrot with a dead leaf that has insufficient strength and volume and cannot be pressed by the leaf and requires cutting by cutting the main root.

Further, even though many other devices have been devised, no device has been devised that can cut frost-leaved leaves of carrots.

  The present invention solves many problems that become obstacles in such a conventional configuration and particularly since there is no case devised corresponding to carrots with frosted leaves. It is an object of the present invention to provide a carrot leaf cutting device capable of efficiently cutting carrots and, moreover, frost-dead leaves, so that anyone can efficiently perform cutting processing while ensuring high safety.

  In order to achieve the above object, an aspect of the present invention is an apparatus for cutting a leaf portion of a carrot with leaves using a transport device that operates in a substantially horizontal direction by a conveyor belt wound by a rotary drive source, Equipped with a recess for accommodating carrots with leaves on the surface of the elastic material mounted on the surface of the conveyor belt, one side end of the conveyor belt A cutting blade fixed to the machine frame and a positioning guide for positioning the carrots with leaves A cylindrical press roller for pressing and fixing the carrots with leaves is installed above the conveyor belt, and the carrots with leaves placed in the recesses are horizontally moved by the horizontal operation of the conveyor belt. The gist of the present invention is a carrot leaf cutting device that cuts a leaf portion of a carrot with leaves by contacting the cutting blade.

  ADVANTAGE OF THE INVENTION This invention implement | achieves the cutting | disconnection processing of the carrot with a leaf | veer which could not be done until now especially the leaf | carrot with a frost blossomed leaf reliably and safely, and can perform a cutting process efficiently.

  According to the present invention, the harvest period in the state of frost-dead leaves is as long as 3 months, and the carrots with leaves harvested by an aged farmer with a root vegetable (potato) digging machine or the like (FIG. 8). In the cold wind, the leaves are cut one by one by hand for a long time (Fig. 9). However, carrots with leaves can be cut quickly, safely, easily and reliably, and carrots with leaves can be cut more than 6 times as much as manual work, greatly reducing time. Realistic.

  In addition, the carrot leaf cutting apparatus of the present invention can perform the cutting process without any problem on fresh leaves (live leaves) as well as frosted leaves, which is the most effective means even for farmers who do not use Carobester (registered trademark). be able to.

FIG. 1 is a plan view of a carrot leaf cutting device according to an embodiment of the present invention. Front view of a carrot leaf cutting device according to an embodiment of the present invention. Right side view of a carrot leaf cutting device according to an embodiment of the present invention. Enlarged view of press roller operation Enlarged view of cutting blade Positioning guide installation diagram Enlarged view of the tail cutting tooth Photo of harvesting carrots with leaves A photograph of a field in a field where the carrot leaves are cut with a cutter knife Photo of the situation in a container, cutting the carrot leaf with a cutter knife

  Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 and 2 are a plan view and a front view of a carrot leaf cutting device according to an embodiment of the present invention. The upper belt 3a of the conveyor belt 3 wound around by the rotation drive source of the motor 4 moves endlessly in the direction of arrow A in FIG. 2, and the lower belt 3b of the conveyor belt 3 moves in the direction opposite to arrow A. By doing so, the object placed on the belt 3a is conveyed. However, any conveying device that operates in a substantially horizontal direction can be used without being limited to this example. The harvested carrots 1 with leaves are manually placed in the recesses 22 provided at equal intervals on the surface of the conveyor belt 3.

  As shown in FIG. 6, when the carrot 1 with leaves is placed, the shoulder portion of the carrot and the side with the leaf are lightly manually applied to the positioning guide 30 that has been installed, and are sequentially placed. In this embodiment, the conveyor belt 3 is driven by a roller chain 7 from a motor 4 with a continuously variable transmission via sprockets 5 and 6, but if the conveyor belt 3 is moved endlessly in the direction of A, it is driven. It doesn't care about the method.

  The carrot 1 with leaves placed in the concave portion 22 of the conveyor belt 3 is moved substantially horizontally integrally with the conveyor belt 3, and is fixed to a one-side end machine frame 12a which is a frame on one side of the machine frame 12. The leaf portion 1a of the carrot is cut by passing the single cutting blade 8 in contact therewith. Although the cutting blade 8 is not limited to the type, here, there is no danger of injury due to the use of a fixed rectangular single-cutting blade having a thickness of 0.9 mm without using a rotating blade or a plurality of blades which involves a risk. Was avoided as much as possible. Furthermore, as a result of the multiple tests, the cutting edge was attached at an inclination of about 32 degrees with respect to the horizontal. By setting the angle to about 32 degrees, the cutting surface of the carved leaf with the leaves slides over the cutting edge longer than the obtuse angle, reducing the resistance and extending the cutting edge wear durability time, enabling a smooth cutting surface and long-term non-replacement use. became.

  At the time of cutting the leaf portion of the carrot, the sponge rubber (manufactured by Miyahara Rubber Industries, Ltd .: model name OND-34) is attached to the outer periphery of the cylindrical pressing roller 9 by the pressing roller body 10 having a structure in which the sponge rubber is attached by, for example, an adhesive. The carrot 1 is fixed so as to envelop it, and the carrot 1 with leaves is sunk into the elastic material 11 of the conveyor belt with the weight of the holding roller body 10 being about 4 kg. More specifically, as the elastic material 11, a sponge rubber (manufactured by Miyahara Rubber Industries, Ltd .: model name NBR # 310) is attached to the surface of the conveyor belt 3 and has a concave portion having a thickness of 36 mm and a depth of 18 mm. The width is 40 mm, which is approximately the average diameter of the carrot 1 with leaves, and the interval between the dents is 80 mm so that the carrots with leaves do not come into contact with each other. 3 can be sunk into the elastic material 11. Therefore, the carrot 1 with leaves can be reliably pressed against the elastic material 11 of the conveyor belt 3 without damaging it. In order to make the central axis 13 of the carrot 1 with leaves at this time parallel to the conveyor belt 3, the weight of the pressing roller body 10 is appropriately about 4 kg weight, and the pressing roller body 10 is kept parallel to the conveyor belt. By maintaining the roller core rod 14, which is the rotation axis of the press roller body, in parallel with the vertical movement, the thick part of the carrot 1 with leaves can be more strongly loaded on the thick part of the carrot 1 with a conical shape. The carrots with leaves into the conveyor belt 3 so that the central axis of the carrots with leaves is substantially perpendicular to the cutting blades 8, and the carrots with leaves are not damaged by the cutting blades. One leaf 1a can be reliably cut. Preferably, a U-shaped cut portion 21 is provided to prevent an unnecessary object such as a leaf from being caught in the root portion of the cutting blade 8, so that it is possible to prevent cutting by an unnecessary object. More preferably, in order to enhance the rigidity of the blade, more appropriate cutting can be performed by providing a reinforcing rod 8a for preventing the cutting blade from being slightly pushed out by the carrot main root to the side opposite to the main root during cutting.

  As shown in FIG. 4, the holding roller body 10 is attached to the machine frame 12 of the carrot leaf cutting device in a shape integral with the pedestal 15. More specifically, a bearing 16 is attached to the pedestal 15, and an arm support shaft 17 passes through a position perpendicular to and parallel to the moving direction of the conveyor belt 3, and the arm 18 is perpendicular to the arm support shaft 17. Attach to Further, the roller core rod 14 is attached at a position parallel to the arm support shaft 17 at the tip of the arm 18. A drive device is not installed on the press roller 9, and the press roller 9 can move up and down freely in parallel with the conveyor belt 3 and does not tilt left and right with respect to the rotation direction. In addition, when the driving device is not installed, the upper part of the carrots 1 with leaves having different sizes that continuously moves is pressed to the outer shape of the carrots 1 with leaves in a state where the rotation axis of the pressing roller 9 and the conveyor belt are parallel. Following this, the pressing roller main body 10 moves up and down in an arc around the arm support shaft 17.

  The cut main part of the carrot naturally falls from the rear end of the conveyor belt to the U-shaped receiving gutter 19 and slides on the receiving gutter 19 installed at an oblique angle of 45 degrees to collide with the tooth 20 provided at the lower part, thereby removing a bottom root container. Etc.

Reference Signs List 3 Conveyor belt 4 Motor 5, 6 Sprocket 7 Roller chain 8 Cutting blade 8a Reinforcing rod 9 Holding roller 10 Holding roller body 11 Elastic material 12 Machine frame 12a One-side end machine frame 13 Central axis of carrot 14 Roller core 15 Base 16 Bearing 17 Arm support shaft 18 Arm 19 Receiving gutter 22 Depression 30 Positioning guide

Claims (4)

  A device for cutting a leaf portion of a carrot with leaves using a conveyor device that operates in a substantially horizontal direction by a conveyor belt wound by a rotary drive source, the surface of an elastic material attached to the surface of the conveyor belt. A cutting blade fixed to a machine frame at one end of the conveyor belt and a positioning guide for positioning a cutting portion of the carrot with leaves, wherein the leaf is provided above the conveyor belt. A cylindrical pressing roller for pressing and fixing the attached carrot is installed, and the carrot with leaves placed in the concave portion contacts the cutting blade while moving horizontally by the horizontal operation of the conveyor belt. A carrot leaf cutting device, characterized in that the carrot leaf cutting section cuts the leaves of the carrot with leaves.   An arm support shaft attached to the machine frame of the carrot leaf cutting device is provided at a position perpendicular and parallel to the moving direction of the conveyor belt, and the holding member is attached to the tip of an arm attached at a right angle to the arm support shaft. At a position where a roller core rod serving as a rotation axis of a roller is parallel to the arm support axis, a pressing roller body having a shape in which sponge rubber is adhered to the cylindrical pressing roller is attached, and the pressing roller body is the arm. The carrot leaf cutting device according to claim 1, wherein the carrot leaf cutting device moves up and down in an arc around the support shaft.   The carrot leaf cutting device according to claim 1 or 2, wherein the cutting blade uses a fixed rectangular single blade, and has a blade edge inclination angle of about 32 degrees.   A carrot leaf cutting device, wherein the mounting angle and mounting position of the single rectangular single-blade according to claim 3 are adjustable.