JP2598770B2 - Automatic method for storing fresh tea leaves - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an entire area of a fresh tea leaf container for storing and storing fresh tea leaves collected from a tea plantation and collected at a tea factory. To a method for containing on average. [0002] Generally, freshly picked fresh tea leaves are stored and stored in a fresh leaf room provided with an aerated floor surface. Then, the carry-in to the fresh-leaf room is manually or scattered and stored on the ventilation floor surface by a spraying device provided on the ceiling of the fresh-leaf room. In the case of this method, it is necessary to dig a pit on the floor surface to construct a ventilated floor surface,
In addition, in order to install the spraying device on the ceiling, the building needs to have a special structure. For this reason, there has been a problem that a great deal of construction cost and construction period are required, and the installation place of the device is fixed and cannot be moved. [0003] An apparatus disclosed in Japanese Utility Model Publication No. 58-23227 is one which solves the above-mentioned problems to some extent. In this apparatus, an apparatus for feeding fresh leaves is provided only at the receiving end of a breathable conveyor. The fresh leaves are supplied from the receiving end, which is the rear end of the air-permeable conveyor. [0004] According to the above-mentioned conventional apparatus, when fresh leaves are received, for example, about half by the ventilation conveyor, the fresh leaves have not yet reached the delivery end of the conveyor. It is not possible to supply fresh leaves to the processing line, therefore the supply of fresh leaves to the processing line
It will start after the fresh leaves on the conveyor have reached their delivery end. [0005] From the above-mentioned circumstances, although it depends on the state of collection of fresh leaves, it usually takes 5 to 5 days before the supply of fresh leaves to the processing line.
About 6 hours are required, and this time becomes longer as the length and the capacity of the conveyor become larger.
Further, since tea manufacturing is a seasonal industry, it is necessary to start a processing operation as soon as possible at a tea manufacturing factory where work is concentrated at one time, so the above-mentioned problem is serious. [0006] Further, once the operation of supplying fresh leaves to the processing line is started, generally, the speed at the time of receiving is equal to the speed at the time of sending.
Since the speed of the air-permeable conveyor at the time of sending is different from the speed at the time of receiving the fresh leaves as described above, the speed of the air-permeable conveyor of the fresh leaves is not changed unless the sending operation is completely completed. There is a problem that it cannot be accepted,
Even if the fresh leaves are received little by little from the receiving end of the permeable conveyor in accordance with the sending speed of the conveyor, as shown in FIG. 6, there is a gap between the fresh leaves remaining on the sending end side of the conveyor and the receiving end. It is not possible to receive fresh leaves in the portion, and therefore, not only the problem that the efficiency of accommodating fresh leaves on the conveyor becomes extremely poor, but also the processing efficiency of the entire tea plant may be extremely reduced. [0007] Furthermore, in order to prevent the fresh green tea leaves from being red-burned by exposing fresh green tea leaves deposited using an air-permeable conveyor and keeping freshness, the deposited fresh green leaves are stored at a uniform height. It is necessary that they be sealed and deposited seamlessly on the receiving device. Accordingly, an object of the present invention is to solve the above-mentioned problems and to provide an apparatus for automatically accommodating fresh tea leaves that satisfies the above requirements. [0008] In order to achieve the above object, a method for automatically accommodating fresh tea leaves according to the present invention is a long and wide conveyor-type automatic fresh tea leaf having one end as a delivery end. At the upper part of the storage device, a sprinkling conveyor is provided in which fresh tea leaves are supplied from an input device capable of moving forward and backward in the left and right direction of the storage device, and is movable freely in all directions. The level sensor is attached and the level sensor automatically detects the state of fresh tea leaves deposited by the spraying conveyor while automatically adjusting the spraying position of the housing device in the longitudinal direction and the wide direction of the housing device. It is characterized by spraying and accommodating fresh tea leaves over the entire width and length. According to the method for automatically accommodating fresh tea leaves according to the present invention, fresh tea leaves are supplied from an input device which is movable upward and downward in the left-right direction of the accommodating device, and moves from front to back and left and right to the full width of the accommodating device.・
Since the scatter conveyor is provided to scatter the fresh tea leaves over the entire length, the fresh tea leaves supplied from the input device can be scattered over the entire area of the accommodation device via the scatter conveyor, and furthermore, the tip of the scatter conveyor is provided. Since a sensing type level sensor is attached to the sensor, the sensor can detect the accumulation state of the fresh tea leaves by the spraying conveyor, so that the spraying can be performed while adjusting the position of the spraying conveyor with respect to the storage device. The height of the sprinkled fresh tea leaves can be measured and the fresh tea leaves can be accommodated at an average height. An embodiment of the present invention will be described with reference to the drawings.
1, 2 and 3 show a first embodiment of an apparatus for carrying out the method of the present invention, in which 1 is a breathable endless transport zone, which forms a storage floor 1 ′, A blower chamber 2 is formed on the lower surface of the storage floor 1 ′, and a blower 3 is provided on a side of the blower chamber 2.
Is attached. The breathable endless transport zone 1 described above
Are connected to and linked to a drive chain 21 wound on sprockets 4 and 5, and both sides of the storage floor 1 'are surrounded by side walls 6 and 7, and green tea leaves 22,22,22, ... ··············· At the sending end of the endless transport zone 1, there is provided a device 8 for cutting fresh tea leaves, and a conveyor 9 connected to a tea processing line is provided below the device. Reference numeral 10 denotes a portal form supporting the side walls 6, 7 described above, outside the endless transport zone 1,
A plurality of them are erected at intervals along the length direction, and run on the portal frames 10, 10 in the width direction of the accommodation room (in this specification, the width direction of the leaf accommodation room is referred to as the left-right direction). The rails 11, 12 which are attached to a support frame for supporting the wheels 11, 11 and which are parallel to the length of the endless transport zone 1 and which are substantially the same length as the endless transport zone 1 and which are parallel to each other are arranged at intervals. I have. The rails 12, 12 run on the rails 12, 12 in the longitudinal direction of the accommodation room (in this specification, the longitudinal direction of the accommodation room is referred to as the front-rear direction) by the wheels 13, 13. A spreading conveyor 14 having a length substantially equal to that of the endless transport zone 1 is provided. Reference numeral 15 denotes a charging conveyor disposed substantially at the center of the rail 12 in the longitudinal direction.The charging conveyor 15 moves in the left and right direction of the accommodation room together with the rail, and supplies fresh tea leaves to the spraying conveyor 14. ing. Reference numerals 16 and 16 'denote remote sensing level sensors. The remote sensing level sensors 16 and 16' are attached to the front and rear ends of the above-mentioned spraying conveyor 14, and the green tea leaves are used for the endless transport zone 1.
Is spread to a predetermined height in the left-right direction, and the spreading conveyor 14 is retracted by a certain distance until the level sensor 16 does not detect the fresh tea leaves. The level sensor 16 may be an ultrasonic level sensor or a conventional contact type sensor. 17 is rail 12,1
The drive motor 20 rotates a drive shaft 20 via gears 18 and 19 which are rotated by the motor 17, and the shaft 20 is provided with the wheels 11 and 11 as described above. It can be moved on the frame 10 in the wide direction. Since the first embodiment of the apparatus for carrying out the present invention is constructed as described above, freshly picked and collected tea leaves are conveyed from a receiving place by an appropriate conveyor and fed from an input conveyor 15. It is supplied to the scattering conveyor 14, and further,
It is sprayed from the spraying conveyor 14 on the storage floor 1 'of the endless transport zone 1 which is breathable. Therefore, a method of spraying fresh tea leaves to the storage device will be described. First, when there is no tea leaf on the entire storage floor, the spraying conveyor 14 is connected to the rail 12.
Move up to the end of the endless transport zone 1. At this time, the spraying conveyor 14 has a length approximately half the length of the endless transport zone 1, and the feeding conveyor 15 has a rail 12
Is disposed substantially at the center in the longitudinal direction of the spray conveyor 14 when the delivery conveyor moves to the above-mentioned delivery end.
A feeding conveyor 15 is positioned at the other end of the feeding conveyor.
The raw tea leaves 22, 22, 22,... Are supplied from the 15 onto the spraying conveyor 14 and sprayed. By reciprocating the rail 12 provided with the scatter conveyor 14 in the left-right direction (wide direction), the fresh tea leaves are scattered and stored uniformly on the storage floor 1 'in the width direction. The height of the fresh tea leaves 22, 22, 22,... Gradually increases, and the remote sensing type level sensor 16 confirms that the height has reached a specified height. And spraying conveyor
14 retreats by a certain distance until the level sensor 16 does not detect the fresh tea leaves, and reciprocates in the left-right direction as described above to repeatedly spray the fresh tea leaves. The endless transport zone 1 is scattered and stored at a predetermined height from the sending end side to the rear. Therefore,
Even if there are no fresh tea leaves on the storage floor 1 'and empty, the supply of tea leaves to the processing line can be started in a very short time from the delivery end of the permeable endless transport zone 1 to the storage device. On the other hand, the use efficiency of fresh tea leaves can be significantly improved. As shown in FIG. 6, fresh tea leaves 22,22,
If 22 ......... is accommodated at a predetermined height at the receiving end of the endless transport zone 1, the end is detected by the level sensors 16, 16 ', and the end is detected. As described above, the spreading conveyor 14 reciprocates in the left-right direction to spread the fresh tea leaves on the storage floor 1 ′ of the endless transport zone 1 to a specified height, and the spreading conveyor 14 moves backward by a predetermined distance. Move and repeat. Therefore, even when fresh tea leaves are deposited on the endless transport zone 1, the endless transport zone 1
The raw tea leaves can be supplied to the processing line from the output end of the tea plant, and this supply operation can be continuously performed. As a result, the operation rate of the storage device and, consequently, the operation efficiency of the tea factory can be greatly improved. You can do it. The tea leaves that have been scattered and deposited at a certain height receive ventilation from the lower surface of the air-permeable endless transport zone 1 by the blower 3 and are stored in a cool air. It moves to the end side, is cut off by the cutting device 8 according to the processing amount of the processing line, and is conveyed to the processing line by the conveyor 9. FIGS. 4 and 5 show a second embodiment of the apparatus for carrying out the method of the present invention. In the second embodiment, the same or equivalent members as those of the first embodiment are used. The description is given with the same reference numerals. In the second embodiment, a spraying conveyor 14 is suspended below the gate formwork 10, and rails 12 are provided on the support form of the support frames of the traveling wheels 11 running on the gate formwork 10. It is disposed along the longitudinal direction of the endless transport zone 1 at a portion hanging down from 10. In the second embodiment, since the spraying conveyor 14 is suspended below the portal frame 10, when spraying fresh tea leaves, the fresh tea leaves do not ride on the portal frame 10; Further, since the remote sensing type level sensors 16 and 16 'do not interfere with the portal form 10, they can be freely installed. According to the method for automatically accommodating fresh tea leaves according to the present invention, fresh tea leaves are supplied to the upper part of the accommodating device from the input device which can move forward and backward in the left-right direction. Since fresh tea leaves are supplied, it can be sprayed from any part of the storage device, and it is possible to receive freshly picked tea leaves while supplying fresh tea leaves to the processing line from the sending end of the storage device. There is no wasteful space between the sending side and the receiving side. In addition, since the spraying is started from the sending side, when it is expected that a large amount of fresh tea leaves will be subsequently collected, the supply of the processing line can be started simultaneously with the start of receiving the fresh tea leaves. is there. Therefore, the present invention not only significantly enhances the utilization efficiency of the automatic tea leaf storage device itself, but also greatly contributes to enhancing the processing efficiency of the entire tea plant. Further, since the sensing type level sensor is attached to the tip of the spraying conveyor of the present invention, the state of spraying can be detected. In addition, it is possible to automatically spray the fresh tea leaves without leaking over the entire width and the entire length of the accommodation device by the above-mentioned sensing level sensor, which contributes to the improvement of tea quality.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view of a first embodiment of an apparatus embodying the present invention. FIG. 2 is a partially cutaway front view of a first embodiment of an apparatus embodying the present invention. FIG. 4 is a cross-sectional view of a first embodiment of an apparatus for practicing the present invention. FIG. 4 is a partial cross-sectional view of a second embodiment of an apparatus for practicing the present invention. Partial front view [Fig. 6] Description of conventional apparatus [Description of reference numerals] 1 Breathable endless transporter 8 Cutting device 11 Rail moving wheel 12 Moving rail 13 Spreading conveyor moving wheel 14 Spreading conveyor 15 Loading conveyor 16, 16 ' Sensing level sensor 22 Green tea leaves

Claims (1)

(1) Claims 1. An input device which is capable of moving back and forth in the left-right direction of an accommodation device above a long and wide conveyor type automatic fresh tea leaf accommodation device having one end as a delivery end. A spreading conveyor to which fresh tea leaves are supplied and which can be moved back and forth and left and right is arranged, and a sensing type level sensor is attached to a tip end of the spreading conveyor, and the level of fresh tea leaves deposited by the spreading conveyor by the level sensor. And automatically adjusts the spraying position of the spraying conveyor in the longitudinal direction and the wide direction of the housing device while spraying the green tea leaves over the entire width and the entire length of the housing device. Automatic storage method for fresh tea leaves.