JPH0335779A - Coat peeling of long size vegetable - Google Patents

Abstract

PURPOSE:To efficiently peel epidermis of long size vegetable such as Welsh onion by introducing an open interior of a guide part, pressing and forcing a specific air jet nozzle to the direction of the long size vegetable by pressing and forcing mechanism and spraying compressed air. CONSTITUTION:Long size vegetable such as Welsh onion vertically supported by a sandwiching member, etc., and continuously transported in the horizontal direction are introduced from an opening of a dented guide part 1 along a slant surface to an interval part of central interior, an air jet nozzle 5 equipped with an air supply path 8 connected to an air inlet and an air spray outlet 3 in the interior is pressed and forced in the direction of the long size vegetable by a spring 6 as pressing and forcing mechanism and the air spray outlet is held at a position close to the outer periphery of the long size vegetable. Further, by spraying compressed air downward from the air spray outlet 3, aged epidermis is efficiently peeled without damaging inner part of the long size vegetable such as Welsh onion.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to an apparatus for efficiently peeling off the outer skin of long vegetables such as green onions without any manual effort.

(Prior Art) Generally, when harvested long onions are placed on the market, the skin that covers the surface of the white root portion, which has aged and cannot be used for food, is peeled off.

In recent years, this type of skinning work has been increasingly mechanized, replacing manual labor that is inefficient and undesirable in terms of environmental health.

That is, for example, Japanese Unexamined Patent Publication No. 58-23776, Utility Model Application No. 58-23776,
As described in Publication No. 9-61, etc., it is possible to automatically peel off the skin without human intervention by spraying pressurized fluid such as water or compressed air around the outer circumference of the green onion. ing.

(Problem to be solved by the invention) However, all conventional peeling devices have various problems in terms of worker safety, work efficiency, completeness of peeling, etc., and the product value has decreased. At present, no technology or device has yet been developed to continuously remove only the aged epidermis without damaging the inner layer.

The present invention has been made in view of these points, and it is an object of the present invention to provide a device that continuously peels off only the aged outer skin of a long onion, such as a long onion, without any manual effort and without leaving anything behind. purpose.

[Structure of the Invention] (Means for Solving the Problems) The device for peeling long objects of the present invention is provided with an opening on the front side that is inclined so as to form a gap toward the back, and a continuous conveyance device on the rear side. an air injection nozzle mechanism fitted into the concave guide part, the air injection nozzle mechanism having an air inlet passage connecting an air intake port and an air jet port formed therein; The air injection nozzle mechanism is characterized in that it includes a pressure biasing mechanism that presses and biases the air injection nozzle mechanism in the direction of the opening of the guide portion.

Further, the apparatus for peeling a long object of the present invention has two or more air jet ports in the air jet nozzle mechanism of the peeling apparatus,
In addition, horizontal steps are provided at the attached positions of these jet ports so that when one jet port is brought into close contact with the outer periphery of a long object, the other jet port is held in a position slightly bent from the outer peripheral surface of the object. It is characterized by having the following. Further, in the device for stripping long objects of the present invention, a hollow screw is inserted into the air inlet passage of the air injection nozzle mechanism, and by changing the inner diameter of the hollow part of this screw, each of the plurality of air injection ports is It is characterized by being configured so that the amount of compressed air injected is adjusted to: J3.

(Function) In the long object peeling device of the present invention, the concave guide section attached to the continuous conveyance device by the attachment section at the rear is supported vertically by, for example, the clamping body, and continuously extends in the horizontal direction. A long object to be conveyed, such as a long onion, is guided from the front opening along the slope to the narrow space in the center of the back, and the longitudinal centerline of the long object is placed at a predetermined location opposite to the air outlet. It functions to place it on a straight line.

When a long object is stored in the inner part of the opening of the guide section, the air injection nozzle mechanism is biased by a suppressing biasing mechanism such as a spring in the direction of the opening of the guide section, that is, the direction of the long object. , the air outlet is held at a position close to the outer periphery of the elongated object.

At this time, the compressed air sent from the air intake port to the air jet q/I nozzle flex mechanism is jetted downward from the air jet port, and the outer skin of the long object is directed downward by the jet pressure of this air. It is stripped and removed.

Note that the air injection nozzle mechanism is provided with a plurality of air injection ports, and a horizontal step is provided at the position where the air injection ports are installed,
If one of the jet ports is provided in a position that projects forward than the other, when the jet port provided in the forward projecting position is brought into close contact with the outer periphery of a long object, the other jet port will It is held at a position spaced apart from the outer peripheral surface by the distance of the step.

And from one air outlet that is closely placed on the outer periphery,
Compressed air is injected at a high injection speed (injection pressure) and concentrated in a narrow area, and short cuts are made in the outer skin of the long object that the air hits.

In addition, compressed air is injected over a wide range at a lower injection pressure from the jet nozzle held at a position far from the outer periphery.
As a result, the entire skin of the long article is completely stripped downward from the cut.

Furthermore, the injection velocity (injection pressure) of the air injected from such a plurality of air injection ports can be adjusted by inserting a hollow screw into the air supply path of the air injection nozzle mechanism and changing the inner diameter of the hollow part of this screw. It can also be adjusted by adjusting the amount of compressed air injected from the jet nozzle.

In this way, long objects such as green onions are completely and efficiently removed, even the fine outer skin, without damaging the inner parts, which have high commercial value.

(Example) Embodiments of the present invention will be described below based on the drawings.

FIG. 1 is a perspective view showing a green onion peeling device according to an embodiment of the present invention.

In the figure, reference numeral 1 designates a concave guide section provided with openings 2 that are inclined so that the space becomes narrower toward the back of the front surface. It is attached via a holder (not shown) to a conveyor such as an endless chain that continuously moves along a conveyance path.

In addition, in the central gap of such a guide part 1, an air outlet 3 that opens downward is provided at the center and lower part of the front surface, respectively, and a compressed air intake port 4 is provided at the upper part. An injection nozzle 5 is fitted.

Inside the air injection nozzle 5, an air supply path is provided that connects the air injection port 3 and the air intake port 4, respectively.

Furthermore, a coil-shaped spring 6 is extended between the lower back surface of the air jet a/t nozzle 5 and the guide portion 1.
The air injection nozzle 5 is configured to be biased toward the opening 2 of the guide portion 1 at the front.

Using the peeling apparatus of the embodiment configured as described above, green onions are peeled in the following process.

In other words, a long onion that is vertically supported by an elastic clamping member or the like and continuously conveyed horizontally by a conveyor or the like is first guided by the guide part 1 along the slope of the front opening to the narrow +4J in the center of the back. Then, the center line thereof is placed in a position facing the front surface of the air injection nozzle 5.

The entire air injection nozzle 5 is then urged horizontally forward by the spring 6, and the two air injection ports 3
are each brought close to the outer periphery of the long onion.

In this way, when the two air outlets 3 are arranged close to each other at predetermined positions on the outer periphery of the green onion, the compressed air taken in from the compressed air intake 4 is injected diagonally downward from each of the two air outlets 3. be done.

The outer skin of the long onion is peeled downward and peeled off by this air jet pressure.

Next, another embodiment of the peeling device of the present invention is shown in FIGS. 2 and 3, respectively.

In these figures, the same parts as in FIG. 1 are denoted by the same reference numerals, and their explanation will be omitted.

In this embodiment, a step 7 is provided on the lower front surface of the air injection nozzle 5, and air jet ports 3 are provided on the front surface of this step 7 and on the upper surface without a step, respectively.

In addition, a hexagonal hollow twist is fitted in the air inlet passage 8 inside the air injection nozzle 5, and by replacing this screw 9, the inner diameter of the hollow part is changed to adjust the injection amount of compressed air. be able to. Furthermore, by changing the inner diameter of the hollow part of the upper and lower screws, for example, the amount of compressed air injected from the upper air outlet 3 is reduced, the injection speed (injection pressure) is reduced, and the air from the lower air outlet 3 is reduced. spout 114
It can be configured to increase the speed.

In the onion peeling device configured in this way,
When the air injection nozzle 5, which is biased by the spring 6, is pressed against a green onion that is placed in a predetermined position behind the opening 2 of the guide part 1, the lower air injection port 3 is pressed against the outer periphery of the green onion. In contrast, the upper air outlet 3 is held at a position separated by the horizontal distance of the step 7 from the outer peripheral surface of the green onion.

Compressed air is then injected into a narrow area at a high injection speed (pressure) from 37 lower air jet ports 3 placed on the outer periphery.
This creates short cuts only in the outer skin layer of the green onion to facilitate peeling.

Further, from the upper air jet port 3 kept at a distant position, compressed air is jetted over a wide range of the outer circumferential surface of the long onion at a small jet speed, thereby peeling off the entire skin peeled off from the cut.

Another embodiment of the present invention is shown in FIG.

In this embodiment, a U-shaped air injection nozzle 10 has four air injection ports 3, two of which are arranged opposite to each other.
and a straight tube-shaped air injection nozzle 11 having one air injection port 3 provided at the center of the front surface are arranged vertically one on top of the other, and are fitted into the concave guide portion 1.

In a peeling device having such a structure, the long onions are conveyed continuously in the horizontal direction and are stored in the gap at the center of the back along the slope of the opening 2 of the guide part 1, until they come into contact with the outer peripheral surface. A short incision is made only in the outer skin layer by the compressed air injected from the air outlet 3 of the straight tube-shaped air injection nozzle 11.

At the same time, a U-shaped air injection nozzle 1 is placed above the cut and slightly away from the outer circumferential surface.
Compressed air is also injected over a wide range of the entire outer surface from the air outlet 3 at No. 0, and the outer skin of the long onion is easily peeled off from the cut by the injection pressure.

[Effects of the Invention] As explained above, according to the peeling device of the present invention, long vegetables such as long onions can be peeled without damaging their inner parts.
Only the aged outer epidermis can be completely removed.

Further, it is possible to automatically and continuously peel off the skin without requiring any manual labor, and it is possible to efficiently process a large amount of long objects such as long onions in a short time.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing a long onion peeling device according to one embodiment of the present invention, FIG. 2 is a perspective view showing another embodiment of the present invention, and FIG. 3 is an air injection nozzle shown in FIG. 2. FIG. 4 is a perspective view showing another embodiment. 1...Guide part 2...Opening 3...Air jet port 5.10.11...Air injection nozzle 6...・・・・・・Spring 7・・・・・・Step 8・・・・・・Air supply path 9・・・・・・Hollow screw

Claims (3)

[Claims] (1) An opening slanted towards the back is provided on the front, a concave guide section with an attachment section to the continuous conveyance device at the rear, and an air intake port and air outlet inside. an air injection nozzle mechanism that is fitted into the guide section, and a pressing biasing mechanism that presses and biases the air injection nozzle mechanism in the direction of the opening of the guide section. A device for peeling long objects. (2) In an air injection nozzle mechanism, two or more air jet ports are provided, and when one jet port is in close contact with the outer circumference of a long object, the other jet port is held at a position separated from the outer circumferential surface of the long object. 2. The apparatus for peeling long objects according to claim 1, further comprising horizontal steps provided at the positions where these spout ports are attached. (3) By inserting a hollow screw into the air inlet passage of the air injection nozzle mechanism and changing the inner diameter of the hollow part of this screw, the amount of compressed air injected from each of the plurality of air injection ports is adjusted. 3. The apparatus for peeling a long article according to claim 1 or 2.