JPH08228681A - Structure for sampling and measuring raw green tea leaf in green tea manufacturing line - Google Patents

Abstract

PURPOSE: To provide a structure for sampling and measuring the moisture content suitable for automatically and continuously determining the moisture content of raw green tea leaves. CONSTITUTION: This apparatus for sampling and measuring raw green tea leaves is obtained by installing, e.g. a device S for sampling the raw green tea leaves and measuring properties of the raw green tea leaves containing the moisture content of the raw green tea leaves A so as to take out a part of the raw green tea leaves A from a chute 3a of a vertical bucket conveyor 3 for the raw green tea leaves in installing the device S. The driving speed of a belt conveyor in a sampling and raw green tea leaf flow meter 20 for feeding the raw green tea leaves A to a moisture measuring device 30 is controlled based on the weight or transfer height of the raw green tea leaves A transferred through the moisture measuring device 30. Thereby, the transferred raw green tea leaves can simply be taken out by a relatively inexpensive structure and the moisture content can accurately be measured without requiring an installation space and further a change in line of the existing green tea manufacturing line.

Description

Detailed Description of the Invention

[0001]

[Object of the invention]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sampling and moisture measuring structure suitable for automatically and continuously determining the water content of fresh tea leaves in a tea production line.

[0002]

BACKGROUND OF THE INVENTION In measuring the water content of tea leaves on a tea production line, it has been possible to obtain a water content which is accurate to some extent for tea leaves that have undergone the steaming process, but raw tea leaves that have not undergone the steaming process. No reliable moisture value could be obtained in. This is because fresh tea leaves have a very high water content, and there is a large difference in the water content depending on the tea season to be picked. The microwave absorptivity is different and causes an error in the measured value.

However, in recent years, with the improvement of the accuracy of the moisture meter itself which is a sensor, a moisture measuring instrument for tea making has been developed using such a moisture meter of high accuracy, and raw tea leaves before being steamed by a steamer. It has become possible to continuously and automatically measure the water content of. As such a moisture measuring device for tea making, for example, Japanese Patent Application No. 6-252525, which the applicant of the present invention has already filed, can be cited.

However, the specific configuration of where to install the moisture measuring device for tea making on the tea making line and how to perform sampling has not been disclosed yet. That is, even if it is said that raw tea leaves are sampled on the tea production line before the steaming process to measure the water content of the raw tea leaves, a complicated mechanism is required depending on the sampling method and the installation mode of the device. It becomes an expensive device, and it obstructs the passage of workers. In particular, when installing the existing tea-making line, it may be necessary to change the existing tea-making line relatively large (installation change of each device, etc.).

[0005]

[Technical Items Attempted to Develop] The present invention has been made from such a background, and the raw tea leaves to be transferred can be easily taken out with a relatively inexpensive structure on the tea manufacturing line before reaching the steamer. In addition, it is possible to accurately measure water content, occupy no installation space, and to sample existing tea lines with almost no line changes, and to attach a device to measure the properties of raw tea leaves including water content. This is an attempt to develop a tea leaf sampling measurement structure.

[0006]

Configuration of the Invention

[Means for Achieving the Object] That is, the raw tea leaf sampling and measuring structure in the tea production line according to claim 1 takes out a part of the raw tea leaf which is being transferred on the tea production line before the steamer from the raw tea leaf automatic container and thereafter. In the structure for measuring the tea leaf properties including the water content, a part of the raw tea leaves from between the conveyor on the input side and the conveyor on the receiving side of the two continuous conveyors in the tea making line before the steamer from the raw tea leaf automatic container. The present invention is characterized by being provided with a raw tea leaf sampling measuring device for taking out and measuring tea leaf properties including the water content of the raw tea leaf.

According to the raw tea leaf sampling / measuring structure in the tea production line of the second aspect, a part of the raw tea leaf being transferred on the tea production line before the steamer is taken out from the raw tea leaf automatic container and the moisture content of the raw tea leaf is measured. In the structure for measuring the tea leaf properties, including a portion of the raw tea leaves from the chute of the raw tea leaf vertical bucket conveyor in the tea manufacturing line in front of the steamer from the raw tea leaf automatic container to measure the tea leaf properties including the water content of the raw tea leaves. It is characterized in that a fresh tea leaf sampling and measuring device is provided.

Further, in the raw tea leaf sampling and measuring structure in the tea manufacturing line according to the third aspect, a part of the raw tea leaves being transferred on the tea manufacturing line before the steamer is taken out from the raw tea leaves automatic container and the moisture content of the raw tea leaves is measured. In the structure for measuring tea leaf properties including, from between the vibrating conveyor that receives the raw tea leaves from the raw tea leaf automatic container in the tea making line and the conveyor that receives the raw tea leaves from this vibrating conveyor and transfers the raw tea leaves to the raw tea leaf vertical bucket conveyor. The present invention is characterized in that a fresh tea leaf sampling / measuring device for taking out a part of the fresh tea leaf and measuring tea leaf properties including the water content of the fresh tea leaf is provided.

Furthermore, the raw tea leaf sampling and measuring structure in the tea making line according to claim 4 takes out a part of the raw tea leaves being transferred on the tea making line in front of the steamer from the raw tea leaf automatic container, and the moisture content of the raw tea leaves. In the structure for measuring the tea leaf properties, including the raw tea leaf automatic container from the chute of the raw tea leaf vertical bucket conveyor in the tea manufacturing line before the steamer, the raw tea leaf belt conveyor that receives and transfers the raw tea leaf is freely reciprocatingly rotatable. At the end of the reverse rotation drive direction, which is the direction opposite to the direction of transfer to the steamer side, a raw tea leaf sampling and measuring device is provided to take out a part of the raw tea leaf and measure the tea leaf properties including the water content of the raw tea leaf. It is characterized by that.

Furthermore, the raw tea leaf sampling measurement structure in the tea manufacturing line according to claim 5 takes out a part of the raw tea leaves being transferred on the tea manufacturing line in front of the steamer from the raw tea leaves automatic container, and the moisture content of the raw tea leaves. In the structure for measuring the tea leaf properties including, in the tea making line, a vibration conveyor for receiving raw tea leaves from the raw tea leaf automatic container is provided with a sampling branch path, and a part of the raw tea leaves is received from this sampling branch path, It is characterized in that a fresh tea leaf sampling and measuring device for measuring tea leaf properties including water content is provided.

In addition to the above requirements, the raw tea leaf sampling / measuring device in the tea manufacturing line according to claim 6 further comprises: sampling means for taking out a part of the raw tea leaves from the tea manufacturing line; It has a water content measuring device that measures the water content and weight of the tea leaves to calculate the water content, and a return means that receives the raw tea leaves from the water content measuring device and returns the raw tea leaves on the tea manufacturing line. It consists of

Furthermore, in addition to the requirements of claim 6, the raw tea leaf sampling and measuring structure in the tea manufacturing line according to claim 7 returns the raw tea leaves to the tea manufacturing line downstream from the place where the raw tea leaves are taken out. It is characterized by being on the side.

Further, the raw tea leaf sampling / measuring structure in the tea manufacturing line according to claim 8 is the same as the requirement for claim 6 or 7, in that there is provided between the sampling means of the raw tea leaf sampling / measuring device and the moisture measuring device. A quantitative supply means for receiving fresh tea leaves from the sampling means and supplying the fresh tea leaves to the moisture measuring device at a constant flow rate is provided.

Furthermore, in the raw tea leaf sampling and measuring structure in the tea manufacturing line according to claim 9, in addition to the requirements of claim 8, the constant amount supply means includes a hopper and a belt conveyor arranged at the bottom of the hopper. It is characterized in that it is a raw tea leaf flow meter equipped with a stirrer that regulates the supply amount.

Furthermore, in the raw tea leaf sampling and measuring structure in the tea making line according to claim 10, in addition to the requirements of claim 9, the raw tea flow meter has an adjustable drive speed of a belt of a belt conveyor. It is characterized by.

Furthermore, in the raw tea leaf sampling and measuring structure in the tea manufacturing line according to claim 11, in addition to the requirements of claim 10, adjustment of the driving speed of the belt adjusts the weight of the raw tea leaves transferred to the moisture measuring machine. Alternatively, it is characterized by being controlled based on the transfer height.

Still further, the raw tea leaf sampling and measuring structure in the tea manufacturing line according to claim 12 is the same as in claim 9 or 1 above.
In addition to the requirements described in 0 or 11, sampling means for taking out raw tea leaves from an upper tea manufacturing line and dropping the raw tea leaves by a chute receives the fresh tea leaves from the chute before the raw tea flow meter and drops the tea leaves. It is characterized in that a charging conveyor for charging the fresh tea leaves into the fresh tea flow meter without impact is provided.

Further, the raw tea leaf sampling and measuring structure in the tea manufacturing line according to claim 13 is the same as in claim 6,
In addition to the requirements described in 7, 8, 9, 10, 11 or 12,
The water content measuring device includes a transfer conveyor to which a belt conveyor is applied, a press conveyor to which a belt conveyor which faces the transfer surface of the transfer conveyor and which holds and transfers fresh tea leaves together with the transfer conveyor, and the transfer conveyors. And a moisture meter composed of a microwave transmitting antenna and a microwave receiving antenna, which are opposed to each other so as to sandwich the press conveyor, and a weighing scale for measuring the weight of fresh tea leaves sandwiched and transferred by the transfer conveyor and the press conveyor. It is characterized by comprising and.

Still further, the raw tea leaf sampling and measuring structure in the tea manufacturing line according to claim 14 is the structure according to claim 6,
In addition to the requirements described in 7, 8, 9, 10, 11 or 12,
The moisture measuring device is a vibration conveyor for transferring raw tea leaves,
A moisture meter composed of a microwave transmitting antenna and a microwave receiving antenna, which are provided so as to face each other so as to sandwich the vibration conveyor, and a weight scale for measuring the weight of fresh tea leaves transferred on the vibration conveyor are provided. It is characterized by being formed.

Further, the raw tea leaf sampling and measuring structure in the tea manufacturing line according to claim 15 is the same as that according to claim 8,
In addition to the requirements described in 9, 10, 11, 12, 13 or 14, the raw tea flow meter is provided in the upper stage of the machine frame, the moisture measuring machine is provided in the lower stage of the machine frame, and The tea leaf receiving side is positioned at the input side of the raw tea leaf flow meter, and the raw tea leaf flow meter and the moisture measuring device are integrally configured. The above objects are intended to be achieved by these inventions.

[0021]

According to the raw tea leaf sampling / measuring structure in the tea making line according to the first aspect of the present invention, the sampling from the tea making line is performed between the feeding side conveyor and the receiving side conveyor of two consecutive conveyors. Be seen. Therefore, it is possible to take out the raw tea leaves as they are received, without the need for a sampling device for grasping or scooping the raw tea leaves on, for example, the raw tea leaf belt conveyor in the tea making line. Therefore, the sampling means does not become expensive, and it is easy to retrofit the existing tea manufacturing line. Further, there is no wasteful sampling from the tea manufacturing line where the transfer of fresh tea leaves is temporarily stopped due to flow rate adjustment or failure.
Then, by measuring the water content of the raw tea leaves, the water content of the steamed leaves after being steamed by the steamer can also be estimated. Therefore, it is possible to automatically set the water content value of the leaf cutter, which is currently manually set, and perform automatic control corresponding to the difference in the water value depending on the storage time of the raw tea leaves and the difference in the water value depending on the variety of the raw tea leaves.

According to the raw tea leaf sampling / measuring structure in the tea making line of the second aspect, sampling from the tea making line is performed by the chute of the fresh tea leaf vertical bucket conveyor. Therefore, in addition to the operation described in claim 1, the potential energy of the chute of the fresh tea leaf vertical bucket conveyor at a high position can be utilized. That is, the drive mechanism can be omitted in part or all of the transfer path for transferring the fresh tea leaves to the moisture measuring device. Further, since the sampling means is arranged in the vertical direction, the raw tea leaf sampling and measuring device can be configured relatively compactly, can be installed in a narrow space, and does not disturb the operator.

Further, according to the fresh tea leaf sampling measuring structure in the tea manufacturing line according to the third aspect, the sampling from the tea manufacturing line includes a vibrating conveyor for receiving fresh tea leaves from the automatic tea leaf automatic container, and a fresh conveyor for receiving fresh tea leaves from the vibrating conveyor. A tea leaf vertical bucket conveyor is used to transfer raw tea leaves. Therefore, it is easy to retrofit the existing tea production line. Moreover, since a complicated mechanism is not required for sampling and the number of parts is small, the sampling means is not expensive. Then, by measuring the water content of the raw tea leaves, the water content of the steamed leaves after being steamed by the steamer can also be estimated. Therefore, the water content of the leaf cutter, which is currently set manually, can also be automatically set, and automatic control can be performed in response to the difference in the water content depending on the storage time of the raw tea leaves and the difference in the water value depending on the variety of the raw tea leaves.

According to the raw tea leaf sampling / measuring structure in the tea manufacturing line of the present invention, the raw tea leaf for sampling is received from the raw tea leaf belt conveyor which can be freely rotated in the forward and reverse directions. Need not be provided separately. Therefore, the sampling means can be constructed inexpensively and the installation space is not taken up.

Further, according to the raw tea leaf sampling / measuring structure in the tea making line according to the fifth aspect, sampling from the tea making line is performed by providing a sampling branch path in the vibration conveyor for receiving the raw tea leaves from the fresh tea leaf automatic container. Therefore, there is no need to perform sampling such as grabbing or scooping raw tea leaves on the tea manufacturing line to be transferred. In addition, it is relatively easy to provide such a branching path for sampling in the vibration conveyor of the existing tea making line, and the sampling means is not expensive.

Further, according to the raw tea leaf sampling / measuring structure in the tea manufacturing line according to claim 6, the raw tea leaf sampling / measuring device has a sampling means, a moisture measuring device for calculating a water content, and a returning means. Therefore, the raw tea leaves on the tea production line are continuously and automatically measured for water content and returned to the tea production line again. Therefore, there is no need for the operator to return the measured fresh tea leaves to the tea-making line or the like, and there is no need for a container or space for pooling such measured fresh tea leaves.

Furthermore, according to the raw tea leaf sampling measurement structure in the tea manufacturing line according to claim 7, since the return of the raw tea leaves to the tea manufacturing line is at the downstream side from the place where the raw tea leaves are taken out, the same raw tea leaves are obtained. Is never remeasured. Therefore, it is possible to prevent waste caused by duplication of measurement and perform more accurate measurement.

Further, according to the raw tea leaf sampling and measuring structure in the tea manufacturing line according to the eighth aspect, since the fixed amount supply means for supplying the raw tea leaf to the moisture measuring device at a constant flow rate is provided, the raw tea leaf of the moisture measuring device is provided. Will be more accurate.

Furthermore, according to the raw tea leaf sampling and measuring structure in the tea manufacturing line according to the ninth aspect, since the quantitative feeding means is the raw tea leaf flow meter, the quantitative feeding of the raw tea leaf to the moisture measuring device becomes very accurate. .

Further, according to the raw tea leaf sampling and measuring structure in the tea manufacturing line of the tenth aspect, the driving speed of the belt of the belt conveyor in the raw tea leaf flow meter can be adjusted. For this reason, it is possible to correct the difference in the supply weight per unit time due to the degree of leaf wilting due to the change in water content of the stored raw tea leaves, and the non-uniformity of the supply amount due to the characteristics of the belt conveyor.

Further, according to the raw tea leaf sampling and measuring structure in the tea manufacturing line of claim 11, the drive speed of the belt of the raw tea leaf flow meter is adjusted by adjusting the weight or the transfer height of the raw tea leaf transferred to the moisture measuring machine. Since it is controlled based on the above, it is not necessary to manually adjust the speed, and the quantitative supply of fresh tea leaves to the moisture measuring device becomes more accurate.

Further, according to the fresh tea leaf sampling and measuring structure in the tea making line according to the twelfth aspect of the present invention, since a dropping conveyor is provided in the fresh tea leaf flow meter to eliminate dropping impact in the sampling means, the tea making line is provided. Since the impact can be mitigated while using the potential energy of, it does not affect the weight measurement of the raw tea flow meter. Therefore, it is possible to accurately and quantitatively supply the moisture measuring instrument.

Further, according to the raw tea leaf sampling and measuring structure in the tea production line according to claim 13, the moisture measuring machine has a transfer conveyor and a press conveyor, and the raw tea leaves to be transferred are sandwiched and transferred. The density of water is uniform and the accuracy of moisture measurement by microwave is good. It is also suitable for measuring relatively large amounts of sampled raw tea leaves.

Furthermore, according to the raw tea leaf sampling and measuring structure in the tea manufacturing line of claim 14, since the moisture measuring device transfers the raw tea leaves by the vibrating conveyor to measure the water content, the density of the transferred raw tea leaves is It becomes uniform and the accuracy of moisture measurement by microwave is good.

According to the raw tea leaf sampling / measuring structure in the tea manufacturing line of the fifteenth aspect, since the raw tea leaf flow meter and the moisture measuring device are arranged in the upper and lower stages and are integrally configured, the horizontal tea leaves The installation space is small. Therefore, it becomes possible to install the raw tea leaf sampling and measuring device in a relatively small space of the existing tea manufacturing line, and by providing the raw tea leaf sampling and measuring device, it will be an obstacle to the passage of workers. Inconvenient points are unlikely to occur.

[0036]

【Example】

<Embodiment 1> Hereinafter, the structure for sampling and measuring fresh tea leaves in the tea manufacturing line of the present invention will be described based on the illustrated embodiment. FIG. 1 is a schematic diagram showing an embodiment in which a raw tea leaf sampling and measuring device S according to the present invention is attached to a general tea manufacturing line from the raw tea leaf automatic container 1 to the steamer 9. In the present invention, the one with the raw tea leaf automatic container 1 is defined as the upstream, and the one with the steamer 9 is defined as the downstream. First, the flow of raw tea leaves A in a general tea manufacturing line will be described with reference to FIG. The fresh tea leaf A contained in the fresh tea leaf automatic container 1 and transferred is dropped onto the vibrating conveyor 2 and then transferred to the fresh tea leaf vertical bucket conveyor 3. Then, as shown in FIG. 2, the raw tea leaf vertical bucket conveyor 3 transfers the raw tea leaf A onto the raw tea leaf belt conveyor 4 which is installed above. In this way, the raw tea leaf belt conveyor 4 is usually attached to the tea making line as described above. However, since this is an obstacle for a tea making operator to pass through, for example, the raw tea leaf A is transferred upward,
This is also because tea making machines such as steamers often have a hopper above. Then, the fresh tea leaf A is conveyed toward the steamer 9 by the fresh tea leaf belt conveyor 4, and is thrown into the raw tea leaf flow meter 7 provided in front of the steamer 9 through the relay chute 5 and the throwing conveyor 6 as appropriate. Then, the raw tea leaf flow meter 7 sends the steam at a constant flow rate to the steamer feeding vibration conveyor 8,
It is put into the steamer 9.

Next, the raw tea leaf sampling and measuring device S according to the present invention will be described. That is, the raw tea leaf sampling measuring device S is provided between the input side of the raw tea leaf vertical bucket conveyor 3 and the receiving side of the raw tea leaf belt conveyor 4 in the tea manufacturing line as described above as an example. Specifically, the raw tea leaf sampling measuring device S is a sampling means for taking out a part of the raw tea leaf A, and the water content (water content) of the raw tea leaf A.
And a moisture measuring device 30 for measuring the weight and calculating the water content,
Quantitative supply means for receiving the raw tea leaf A from the sampling means and supplying the raw tea leaf A to the moisture measuring machine 30 at a constant flow rate, and receiving the raw tea leaf A from the moisture measuring machine 30 and returning the raw tea leaf A on the tea manufacturing line. It consists of a means to return. In addition, the raw tea leaf sampling measuring device S is
In addition to the water content measuring device 30, a color difference measuring device for measuring the color of the raw tea leaf A, a near-infrared measuring device for measuring the total nitrogen amount, the total fiber amount, etc. of the raw tea leaf A, and a shape measuring device, etc. can measure the raw tea leaf. Known measuring instruments and measuring instruments developed in the future can be appropriately attached.

Each component of the raw tea leaf sampling and measuring device S will be described in detail below. First, the sampling means will be described. This means comprises a sampling conveyor 11, a relay chute 12, and a feeding conveyor 13, as shown in FIGS. That is, a part of the side surface of the chute 3a of the fresh tea leaf vertical bucket conveyor 3 is opened and a sampling conveyor 11 to which a belt conveyor is applied is inserted therein, and a part of the fresh tea leaf A dropped from the chute 3a is taken out. And this sampling conveyor 11
A relay chute 12 is exposed to the end of the, and the sampled raw tea leaves A are guided by the relay chute 12 and dropped onto the input conveyor 13 below. It should be noted that the sampling conveyor 11 may be provided so as to face the sampling conveyor 11 if there is a space below the chute 3a.

Next, the quantitative supply means will be described. Reference numeral 20 is a sampling fresh tea leaf flow meter which is a quantitative supply means, and except that the speed of the belt conveyor 23 can be adjusted, the basic configuration of the fresh tea leaf flow meter 7 provided in front of the usual steamer 9 is No particular change. Specifically, FIG.
Raw tea leaves A fed from the feeding conveyor 13 as shown in FIG.
It has a box-shaped hopper 22 for receiving the above, and a belt conveyor 23 is arranged at the bottom thereof. Further, a height-adjustable scraping leveler 25 is provided on the front end side of the hopper 22 in the conveying direction so that the fresh tea leaves A are supplied to the moisture measuring device 30 in a layer having a predetermined constant height (flow rate). Has been. Furthermore, a chute 24 is provided at the front end of the hopper 22. The hopper 22 as described above is locked to the machine frame 21 via a link 26 so as to be movable up and down. See also link 2
Weight 27a whose position can be adjusted in the longitudinal direction on the rotation axis of 6
The balancer rod 27 having the above is connected so that the weight of the raw tea leaf A put into the hopper 22 is accurately measured by making the weight of the hopper 22 lighter or less by the principle of leverage. There is. The hopper 22 as described above is connected to the machine frame 21 via a weight scale 28. A control panel 20C is provided on the machine frame 21.

The above-described structure is the basic structure of a conventional fresh tea leaf flow meter, but in this embodiment, an inverter is connected to the drive motor 23a for driving the belt conveyor 23 as an example, and the belt conveyor 23 is driven. The drive speed of is adjustable. The configuration in which the drive speed of the belt conveyor 23 is adjustable in this way is specifically, when a constant weight of fresh tea leaf A is always measured by the moisture measuring machine 30 described later, the measurement error of the water content rate. Is very small. That is, the water content measuring device 30 is also equipped with a weight scale 37 to obtain the water content according to the weight of the raw tea leaf A being transferred. However, if the weight of the raw tea leaf A is set to the same value as much as possible, the water content is The measurement error of is reduced. However, the regular green tea flow meter is
Since the flow rate of the raw tea leaf A is made constant by the scraping and leveling 25, the volume can be supplied constant per unit time, but the weight to be supplied varies depending on the density of the raw tea leaf A. This is because the leaf wilting condition is different due to the difference in the storage time after the fresh tea leaves A are picked, for example.
This is because the number of raw tea leaves A contained in the same volume is different. Therefore, in the present invention, this moisture measuring device 30
In order to eliminate the error of the weight supplied per unit time to the belt conveyor 2 of the sampling raw tea flow meter 20
The drive speed of 3 is adjustable. The details of this will be described later together with the description of the later operation.

Next, the moisture measuring device 30 will be described. The water content measuring device 30 mainly measures the water content and the weight of the raw tea leaf A to calculate the water content of the raw tea leaf A. Such a device has already been filed by the applicant, for example. Japanese Patent Application No. 6-252525 can be applied. Specifically, as shown in FIG. 4, the moisture measuring machine 30 is a press conveyor that conveys the moisture conveyer 32 to the machine frame 31 while being held by the pressure adjusting mechanism 34 and pressing the raw tea leaves A together with the transfer conveyor 32. 33, and raw tea leaves A to be transferred
37 for measuring the weight of the
A moisture meter 38 for measuring the water content of the fresh tea leaves A held and transported by the press conveyor 33, a potentiometer 39 for measuring the distance between the transfer conveyor 32 and the press conveyor 33, and the weight scale 37. It comprises a moisture meter 38 and a control panel 30C to which signals from the potentiometer 39 are sent.

The pressure adjusting mechanism 34 will be described.
The press adjusting mechanism 34 connects the press conveyor 33 to the link 35.
It comprises an elevating mechanism 35 which holds the rocking state by a, and a balancer rod 36 having a weight 36a which reduces the weight of the press conveyor 33 by the principle of leverage. Next, the moisture meter 38 will be described. The moisture meter 38 is composed of a microwave transmitting antenna 38A and a microwave receiving antenna 38B, and the transmitting antenna 38A is provided above the transfer conveyor 32 and the press conveyor 33 so as to sandwich it.
A receiving antenna 38B is provided below. The transmitting antenna 38A and the receiving antenna 38B are arranged to face each other so as to sandwich the transfer conveyor 32 and the press conveyor 33. Next, the potentiometer 39
Will be described. The potentiometer 39 measures the distance of the gap between the transfer conveyor 32 and the press conveyor 33. And from this measurement data, the control panel 30
Moisture meter 3
The measured value of the water content by 8 is corrected according to the approximate density of the raw tea leaf A. Next, the control panel 30C has a microcomputer inside and is connected to the weighing elements 37, the moisture meter 38 and the potentiometer 39 which are input elements, and
Output element transfer conveyor 32 and press conveyor 33
Drive motors 32a, 33a, control panel 20C of sampling raw tea flow meter 20 and control panel 7C of raw tea flow meter 7
And the control panel 9C of the steamer 9 and the like.

As the moisture measuring device 30, besides the one having the above-mentioned structure, for example, the one using the vibrating conveyor disclosed by the applicant of the present invention in JP-A-2-38942 can be applied. That is, as shown in FIG. 5, a moisture meter 38 composed of a microwave transmitting antenna 38A and a microwave receiving antenna 38B is disposed so as to face each other so as to sandwich a vibrating conveyor 32Q for transferring fresh tea leaves A therebetween. Incidentally, the vibration conveyor 32Q is divided into upper and lower stages as an example in order to reduce the installation space, but if there is no problem in the installation space, a long conveyor may be provided in one stage.
Then, the vibration conveyor 32Q is attached to the machine frame 3 via the weight scale 37.
1, and the weight of the raw tea leaf A transferred on the vibration conveyor 32Q is measured. In the case of the above configuration, the raw tea leaves A transferred by the vibration conveyor 32Q form a uniform layer, and the moisture meter 38 can perform relatively accurate measurement.

Next, the return means will be described. This returning means returns the raw tea leaves A measured by the moisture measuring device 30 to the tea making line. As shown in FIGS. 2 and 3, the returning belt conveyor 40 is provided below the end of the transfer conveyor 32 of the moisture measuring device 30. It is equipped. The end of the return belt conveyor 40 is exposed to, for example, the lower end receiving port of a separate vertical bucket conveyor (not shown) for return, and the sampled raw tea leaves A are raw tea leaf belt conveyors in the upper tea production line. Returned to 4. It should be noted that the return does not necessarily have to be made to the downstream side from the sampling location as described above, and it may be returned to the automatic tea leaf automatic container 1, the vibration conveyor 2 or the receiving opening of the raw tea leaf vertical bucket conveyor 3. Claims 1 and 2,
The raw tea leaf sampling measurement structure in the tea manufacturing lines described in 3, 4, and 5 also includes not returning the raw tea leaf A.

The raw tea leaf sampling / measuring structure in the tea manufacturing line of the present invention is constructed as described above. When this is used, a part of the raw tea leaf A dropped from the chute 3a of the fresh tea leaf vertical bucket conveyor 3 is sampled by the sampling conveyor. It is taken out by 11. Then, this fresh tea leaf A falls inside the relay chute 12 and is once dropped onto the input conveyor 13. Then, the raw tea leaves A are fed into the sampling raw tea leaf flow meter 20 via the feeding conveyor 13. Raw tea leaves A sampled in this way are relay shoots 1
It is not put into the sampling raw tea flow meter 20 directly from 2 but dropped onto the throwing conveyor 13 to eliminate dropping impact and then put. Therefore, the sampling fresh tea flow meter 20 receives almost no shock from the fresh tea leaves A that are input, and the weight measurement of the sampling fresh tea flow meter 20 is accurate.

The sampling raw tea flow meter 20 is
The received fresh tea leaves A are sequentially scraped and transferred by a uniform thickness 25, that is, by a constant volume, and supplied onto the transfer conveyor 32 of the moisture measuring device 30. Note that basically, the amount of take-out from the sampling conveyor 11 is set so as to exceed the transfer force of the transfer conveyor 32 so that the inside of the hopper 22 does not become empty, and thus the fresh tea leaves A accumulate in the hopper 22. . And this weight is measured by the scale 28,
When the set upper limit weight is exceeded, the driving of the sampling conveyor 11 and the loading conveyor 13 is stopped. When the set lower limit weight is reached, the sampling conveyor 11 is driven again. In addition, the sampling conveyor 11 from the sampling raw tea flow meter 20 as described above
In addition to stopping the drive control of the input conveyor 13, speed adjustment may be performed to slow the drive speed.

The transfer conveyor 32 of the moisture measuring device 30
The fresh green tea leaves A put in are pressed and transported so as to be sandwiched by the press conveyor 33. The state of the raw tea leaves A at this time is that the number of raw tea leaves A per volume is large,
It is in a high-density state, and it is withered raw tea leaf A or fresh raw tea leaf A.
However, the density is uniformized before the transfer.

By the way, when the belt conveyor 23 of the sampling raw tea flow meter 20 is kept at a constant driving speed, the moisture measuring machine 30 transfers the raw tea leaves A with a uniform density as shown above. Then, the flow rate of the raw tea leaf A transferred through the moisture measuring device 30 is different. This will be described with reference to the movement of the press conveyor 33, which means that the press conveyor 33 moves up and down sequentially. Such a situation in which the flow rate of the raw tea leaf A transferred to the moisture measuring device 30 changes sequentially is not preferable for the calculation of the water content by the moisture measuring device 30. That is, the raw tea leaves A transferred from the moisture measuring device 30 are
If the density is constant and the density is constant and the flow rate (height) is constant, the water content can be calculated with extremely high accuracy. Then, in order to make the flow rate of the raw tea leaf A transferred through the moisture measuring device 30 constant, the weight of the raw tea leaf A supplied from the sampling raw tea leaf flow meter 20 per unit time may be made constant. Therefore, in the present embodiment, the difference between the preset constant weight and the measured weight is obtained so that the weight measured by the weight scale 37 of the moisture measuring machine 30 is constant, and the sampling fresh tea leaf flow rate is calculated according to the difference. The drive speed of the belt conveyor 23 of a total of 20 is adjusted. That is, if the weight measured by the weight scale 37 of the moisture measuring machine 30 is heavier than the set weight, the driving speed of the belt conveyor 23 of the sampling raw tea leaf flow meter 20 is slowed down, and if it is light on the contrary, the sampling raw tea leaf flow meter is measured. 20 belt conveyors 2
The control panel 30C controls so as to increase the driving speed of No. 3. In order to make the flow rate of the raw tea leaf A transferred through the moisture measuring device 30 constant, the distance between the transfer conveyor 32 and the press conveyor 33 measured by the potentiometer 39 (the transfer height (flow rate) of the fresh tea leaf A). The driving speed of the belt conveyor 23 of the sampling fresh tea leaf flow meter 20 may be adjusted based on the measurement value of the potentiometer 39 so that the measurement value of 1) becomes constant.

The weight of the raw tea leaf A moving on the transfer conveyor 32 is continuously measured by the weight meter 37, the water content is measured by the water content meter 38, and this data is sent to the control panel 30C. The water content measured by the water content meter 38 is extremely accurate because the green tea leaves A are transferred in a uniform density state and at a constant flow rate by being sandwiched between the transfer conveyor 32 and the press conveyor 33. It can be obtained with data. Also, the potentiometer 39
The distance between the transfer conveyor 32 and the press conveyor 33 is measured, and the approximate density of the green tea leaves A transferred from this measured value is obtained by the microcomputer of the control board 30C.

Here, the calculation of the water content by the microcomputer in the control panel 30C will be briefly described. First, the measurement data sent from the weight scale 37 and the moisture scale 38 are accumulated. The accumulation in the present embodiment is, for example, to perform data processing several times to several tens times per second, and calculate an average value in a state in which the data processing is accumulated for approximately one minute. When the cumulative detected weight of the raw tea leaf A measured by the weight meter 37 is W, the cumulative detected moisture amount of the raw tea leaf A measured by the moisture meter 38 is M, and the water content is G, the following formula 1 is obtained.
The water content G can be obtained from the equation.

[0051]

[Equation 1]

In the equation, a and b are added with appropriate values because the actual water content cannot be obtained at 100 × M / W, and the transfer conveyor 32 and the press conveyor 3
The error in the water content caused by the difference in the approximate density of the fresh tea leaves A caused by the interval of 3, the installation mode of the moisture meter 38, the time lag, and the like is corrected. Note that the correction based on the rough density of the raw tea leaves A is performed based on the measurement data of the potentiometer 39, but needless to say, it may be performed when the cumulative detected water content M is calculated, not when the water content G is calculated. .

Further, based on the water content, a control signal is sent to the control panel 9C of the steamer 9 and the control panel 7C of the raw tea leaf flow meter 7 to control the steam passage time of the raw tea leaf A, the steam supply amount, the raw tea leaf input amount and the like. To do. Of course, the control of the raw tea flow meter 7 is controlled by the steamer 9
The control panel 9C may be used for control. Further, in addition to controlling the steamer 9 and the raw tea leaf flow meter 7, the leaf cutter may be controlled.

<Second Embodiment> FIGS. 6A and 6B show a second embodiment.
FIG. 3 is a plan view and a front view showing FIG. That is, in the second embodiment, the fresh tea leaf sampling and measuring device S is provided at the end of the vibration conveyor 2 that receives the fresh tea leaf A from the fresh tea leaf automatic container 1 and transfers it to the steamer 9 side. Specifically, the Z-shaped rising belt conveyor 14 is provided at the end of the vibration conveyor 2.
Of the raw tea leaf A is faced so as to receive a part of the raw tea leaf A, and the upper end thereof is faced to a sampling raw tea flow meter 20 which is a quantitative supply means. Incidentally, the raw tea leaves A other than those sampled by the Z-shaped rising belt conveyor 14 are transferred to the raw tea leaf vertical bucket conveyor 3 by the relay belt conveyor 10.

The sampling raw tea flow rate meter 20 and the water content measuring device 30 are integrated as one example by adopting a configuration different from that of the first embodiment. That is, the sampling raw tea leaf flow meter 20 is provided in the upper stage of the machine frame F, and the moisture measuring machine 30 is provided in the lower stage of the machine frame F. As an example, instead of measuring the weight of the raw tea leaf A introduced into the sampling raw tea flow meter 20 by the weight scale 28, a photoelectric switch 15 including a light projector and a light receiver is provided in the transparent hopper 2.
The two Z-shaped lifting belt conveyors 14 are opposed to each other so that the Z-shaped lifting belt conveyor 14 is driven. That is, reference numeral 15A is an upper limit photoelectric switch, and when the transmitted light is blocked, the driving of the Z-shaped rising belt conveyor 14 is stopped. On the other hand, reference numeral 15B is a lower limit photoelectric switch, and when this transmitted light is transmitted, it controls to drive the Z-shaped rising belt conveyor 14.

The water content measuring device 30 continuously measures the weight and the water content. Then, the amount of water per unit weight of the raw tea leaf A, that is, the water content, is obtained from the measurement data measured by the weight meter 37 and the moisture meter 38. Further, when the weight measured by the weight scale 37 or the measured value of the transfer height (flow rate) of the raw tea leaf A measured by the potentiometer 39 falls outside the range of the set value, the driving speed of the belt conveyor 23 of the sampling raw tea flow meter 20 is sampled. The moisture meter 30 is configured to be supplied with a constant weight or a constant density by accelerating or decelerating. Then, the raw tea leaf A whose weight and water content have been measured is returned to the relay belt conveyor 10. The method for integrally configuring the sampling raw tea leaf flow meter 20 and the moisture measuring device 30 as described above is as follows.
It can be applied to the above-described first embodiment, or third and fourth embodiments described later. On the contrary, in the present embodiment, the sampling raw tea leaf flow meter 20 and the moisture measuring device 30 may be configured separately as in the first embodiment.

<Third Embodiment> FIG. 7 is a front view showing a third embodiment. That is, FIG. 7 shows a case where the raw tea leaf belt conveyor that receives the raw tea leaf A from the raw tea leaf vertical bucket conveyor 3 is rotated forward and backward to transfer the raw tea leaf A on the tea production line to the steamer 9 side, and a moisture measuring machine. This is the case when it is transferred to 30. Specifically, the sampling means
Forward / reverse rotation raw tea leaf belt conveyor 1 which is driven in forward / reverse rotation
6, a relay chute 12, and a feeding conveyor 13.
The other quantitative supply means, the moisture measuring device 30, and the returning means are the same as those in the first embodiment. In addition to the normal / reverse rotation raw tea leaf belt conveyor 16 provided in this manner, the raw tea leaf belt conveyor 4 may be driven to rotate forward / backward as it is. When the present invention is configured as described above and used, the forward / reverse rotation raw tea leaf belt conveyor 16 is reversed for several seconds at intervals of several tens of seconds by, for example, a timer. Then, the transferred raw tea leaves A are put into the relay chute 12 and transferred to the moisture measuring device 30, and the water content of the raw tea leaves A is measured.

<Fourth Embodiment> FIGS. 8A and 8B show a fourth embodiment.
FIG. 2 is a plan view and a front view showing the raw tea leaves A provided in the vibration conveyor 2 for receiving the raw tea leaves A from the automatic tea leaf automatic container 1 and transferring them to the steamer 9 side.
It is intended to receive a part of. The sampling means is a sampling branch 2 of the vibration conveyor 2.
a and the raw tea leaf flow meter 20 located above and receiving the raw tea leaf A from the sampling branch 2a.
And a sampling vertical bucket conveyor 17 for feeding the raw tea leaves A into. The other configurations are not particularly different from those of the first embodiment, and the raw tea leaf A is sent from the sampling raw tea flow meter 20 to the moisture measuring device 30, the moisture content and the weight are measured, and the return belt conveyor 40 is used. The raw tea leaves A are returned to the vibrating conveyor 2. The sampling branch 2a is appropriately covered when sampling is not necessary.

[0059]

EFFECT OF THE INVENTION The raw tea leaf sampling and measuring structure in the tea manufacturing line of the present invention is constructed as described above, and has the following effects. That is, according to the raw tea leaf sampling measurement structure in the tea manufacturing line according to the first aspect, the sampling from the tea manufacturing line is performed between the conveyor on the input side and the conveyor on the receiving side of two consecutive conveyors.
Therefore, the raw tea leaf A can be taken out as it is received without the need for a sampling device for grasping or scooping the raw tea leaf A on the raw tea leaf belt conveyor 4 in the tea making line to be transferred. Therefore, the sampling means does not become expensive, and it is easy to retrofit the existing tea manufacturing line. Further, there is no wasteful sampling from the tea production line in which the transfer of the raw tea leaves A is temporarily stopped due to flow rate adjustment, failure, or the like. Then, by measuring the water content of the raw tea leaf A, the water content of the steamed leaf after being steamed by the steamer 9 can also be estimated. Therefore, the input moisture value of the leaf cutter, which is currently manually set, can be automatically set, and automatic control corresponding to the difference in moisture value depending on the storage time of fresh tea leaf A and the difference in moisture value depending on the variety of fresh tea leaf A can be performed.

According to the raw tea leaf sampling / measuring structure in the tea making line of the second aspect, sampling from the tea making line is performed by the chute 3a of the fresh tea leaf vertical bucket conveyor 3. Therefore, in addition to the effect described in claim 1, the raw tea leaf vertical bucket conveyor 3 at a high position
The potential energy of the shoot 3a can be used. That is, the drive mechanism can be omitted in part or all of the transfer path for transferring the fresh tea leaf A to the moisture measuring device 30. Further, since the sampling means is arranged in the vertical direction, the fresh tea leaf sampling and measuring device S can be configured relatively compactly, can be installed in a narrow space, and does not disturb the operator.

Further, according to the raw tea leaf sampling measuring structure in the tea manufacturing line according to the third aspect, the sampling from the tea manufacturing line is performed by the vibrating conveyor 2 which receives the raw tea leaves A from the raw tea leaf automatic container 1, and the vibrating conveyor 2. This is performed between the conveyor that receives the tea leaf A and transfers the raw tea leaf A to the fresh tea leaf vertical bucket conveyor 3. Therefore, it is easy to retrofit the existing tea production line. Moreover, since a complicated mechanism is not required for sampling and the number of parts is small, the sampling means is not expensive. Then, by measuring the water content of the raw tea leaf A, the water content of the steamed leaf after being steamed by the steamer 9 can also be estimated. Therefore, the water content of the leaf cutter, which is currently set manually, can also be automatically set, and automatic control can be performed in response to the difference in water value depending on the storage time of the raw tea leaf A and the difference in water value depending on the variety of the raw tea leaf A.

Further, according to the raw tea leaf sampling / measuring structure in the tea manufacturing line according to the fourth aspect, since the raw tea leaf A for sampling is received from the forward / reverse rotation raw tea leaf belt conveyor 16 which can be normally / reversely rotated, it is taken out. It is not necessary to separately provide a belt conveyor or the like. Therefore, the sampling means can be constructed inexpensively and the installation space is not taken up.

Furthermore, according to the raw tea leaf sampling measurement structure in the tea manufacturing line according to the fifth aspect, the sampling branch path 2 is provided for the sampling from the tea manufacturing line to the vibration conveyor 2 which receives the raw tea leaves A from the raw tea leaf automatic container 1.
Since it is performed by providing a, it is not necessary to perform sampling such as grasping or scooping the raw tea leaf A on the tea manufacturing line to be transferred. It should be noted that it is relatively easy to provide such a sampling branch 2a on the vibration conveyor 2 of the existing tea making line, and the sampling means is not expensive.

Further, according to the raw tea leaf sampling / measuring structure in the tea manufacturing line according to the sixth aspect, the raw tea leaf sampling / measuring device S has a sampling means, a moisture measuring machine 30 for calculating the water content, and a returning means. Therefore, the raw tea leaves A on the tea manufacturing line are continuously and automatically measured for water content and returned to the tea manufacturing line again. Therefore, there is no need for the operator to return the measured raw tea leaves A to the tea manufacturing line or the like, and there is no need for a container or space for pooling such measured raw tea leaves A.

Furthermore, according to the raw tea leaf sampling measurement structure in the tea manufacturing line according to the seventh aspect, since the return of the raw tea leaf A onto the tea manufacturing line is at the downstream side from the place where the raw tea leaf A is taken out, it is the same. Raw tea leaf A is never remeasured. Therefore, it is possible to prevent waste caused by duplication of measurement and perform more accurate measurement.

Furthermore, according to the raw tea leaf sampling and measuring structure in the tea manufacturing line of claim 8, the moisture measuring device 3
Since a fixed amount supply means for supplying the raw tea leaf A at a constant flow rate to 0 is provided, the measurement of the raw tea leaf A by the moisture measuring device 30 becomes more accurate.

Furthermore, according to the raw tea leaf sampling and measuring structure in the tea manufacturing line according to the ninth aspect, since the quantitative supply means is the raw tea leaf flow meter (sampling raw tea leaf flow meter 20 in the embodiment), the moisture content of the raw tea leaf A is increased. The quantitative supply to the measuring device 30 becomes very accurate.

Further, according to the raw tea leaf sampling / measuring structure in the tea manufacturing line according to the tenth aspect, the driving speed of the belt of the belt conveyor 23 of the raw tea leaf flow meter (sampling raw tea leaf flow meter 20 in the embodiment) is adjustable. is there. Therefore, it is possible to correct the difference in the supply weight per unit time due to the degree of leaf wilting caused by the change in water content of the stored raw tea leaves A, and the non-uniformity of the supply amount due to the characteristics of the belt conveyor 23.

Further, according to the raw tea leaf sampling / measuring structure in the tea manufacturing line according to the eleventh aspect, the moisture measuring machine 30 is used to adjust the drive speed of the belt of the raw tea leaf flow meter (the sampling raw tea leaf flow meter 20 in the embodiment). Since it is controlled on the basis of the weight or the transfer height of the raw tea leaf A transferred, the manual speed adjustment is not required, and the quantitative supply of the raw tea leaf A to the moisture measuring device 30 becomes more accurate, and the moisture measuring device 30 The measurement of the water content by means of further increases the accuracy.

Further, according to the raw tea leaf sampling and measuring structure in the tea manufacturing line according to the twelfth aspect of the present invention, the raw tea leaf flow meter (sampling raw tea leaf flow meter 20 in the embodiment) is provided with the fresh tea leaf A without dropping impact on the sampling means. Since the feeding conveyor 13 for feeding the tea is provided, the impact can be mitigated while using the potential energy of the tea manufacturing line, so that it does not affect the weight measurement of the raw tea flow meter. Therefore, it is possible to accurately and quantitatively supply the moisture measuring device 30.

Further, according to the raw tea leaf sampling and measuring structure in the tea production line according to the thirteenth aspect, the moisture measuring device 30 has a transfer conveyor 32 and a press conveyor 33,
Raw tea leaves A to be transferred because they are held and transferred
The density of water is uniform and the accuracy of moisture measurement by microwave is good. In addition, a relatively large amount of sampled raw tea leaves A
It is also suitable for measurement.

Furthermore, according to the raw tea leaf sampling and measuring structure in the tea manufacturing line of claim 14, the moisture measuring machine 30 transfers the raw tea leaf A by the vibration conveyor 32Q to measure the water content. The density of A becomes uniform, and the accuracy of moisture measurement by microwave is good.

Further, according to the raw tea leaf sampling and measuring structure in the tea manufacturing line according to the fifteenth aspect, the raw tea leaf flow meter (sampling raw tea leaf flow meter 20 in the embodiment) and the moisture measuring device 30 are arranged in the upper and lower stages. Since it is configured integrally, it requires less horizontal installation space. Therefore, it becomes possible to provide the raw tea leaf sampling and measuring device S in a relatively small space of the existing tea manufacturing line, and by providing the raw tea leaf sampling and measuring device S, it may be a hindrance to the passage of workers. Inconvenient points such as are unlikely to occur.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing an example of a tea manufacturing line to which a fresh tea leaf sampling / measurement structure of the present invention is applied.

FIG. 2 is a front view of the same.

FIG. 3 is an enlarged front view showing the vicinity of a sampling raw tea flow rate meter and a water content measuring device of the same as above.

FIG. 4 is an enlarged perspective view showing the same moisture measuring instrument as above.

FIG. 5 is a front view showing another embodiment of the above moisture measuring machine.

6A and 6B are a plan view and a front view showing a second embodiment of the raw tea leaf sampling and measuring structure of the present invention.

FIG. 7 is a front view showing Example 3 of the above.

FIG. 8 is a plan view and a front view showing Embodiment 4 of the above.

[Explanation of symbols]

 1 Automatic Tea Leaf Container 2 Vibration Conveyor 2a Sampling Branch 3 Raw Tea Leaf Vertical Bucket Conveyor 3a Chute 4 Raw Tea Leaf Belt Conveyor 5 Relay Chute 6 Feeding Conveyor 7 Raw Tea Leaf Flow Meter 7C Control Panel 8 Steaming Machine Vibration Conveyor 9 Steaming Machine 9C Control Board 10 Relay Belt Conveyor 11 Sampling Conveyor 12 Relay Chute 13 Feeding Conveyor 14 Z-Type Lift Belt Conveyor 15 Photoelectric Switch 15A Upper Limit Photoelectric Switch 15B Lower Limit Photoelectric Switch 16 Forward / Reverse Rotating Fresh Tea Leaf Belt Conveyor 17 Sampling Vertical Bucket Conveyor 20 Sampling Fresh Tea Leaf Flowmeter 20C Control panel 21 Machine frame 22 Hopper 23 Belt conveyor 23a Drive motor 24 Chute 25 Scraping 26 Link 27 Balancer rod 27a Weight 28 Weight scale 30 Moisture Measuring instrument 30C Control panel 31 Machine frame 32 Transfer conveyor 32a Drive motor 32Q Vibration conveyor 33 Press conveyor 33a Drive motor 34 Push adjusting mechanism 35 Lifting mechanism 35a Link 36 Balancer rod 36a Weight 37 Weight scale 38 Moisture meter 38A Transmitting antenna 38B Reception antenna 39 Potentiometer 40 Return belt conveyor A Fresh tea leaf F Machine frame S Fresh tea leaf sampling measuring device

Claims (15)

[Claims] 1. A structure for measuring a tea leaf property including a water content of the raw tea leaf by extracting a part of the raw tea leaf which is being transferred on a tea making line in front of the steamer from the raw tea leaf automatic container and the raw tea leaf automatic container. From this point onwards, a portion of raw tea leaves is taken out between the conveyor on the input side and the conveyor on the receiving side of two consecutive conveyors in the tea manufacturing line before the steamer, and raw tea leaf sampling is performed to measure the tea leaf properties including the water content of the raw tea leaves. A raw tea leaf sampling measurement structure in a tea manufacturing line, which is provided with a measuring device. 2. A structure for measuring a tea leaf property including a water content of this raw tea leaf by extracting a part of the raw tea leaf which is being transferred on a tea manufacturing line in front of the steamer from the raw tea leaf automatic container and thereafter. From this point onwards, a tea production feature is provided with a raw tea leaf sampling and measuring device that takes out a portion of the raw tea leaf from the chute of a vertical bucket conveyor in the tea production line in front of the steamer and measures the tea leaf properties including the water content of the raw tea leaf. Raw tea leaf sampling measurement structure in line. 3. A structure in which a part of raw tea leaves being transferred on the tea making line in front of the steamer is taken out from the fresh tea leaf automatic container and the tea leaf properties including the water content of the raw tea leaves are measured, and the raw tea leaves in the tea making line are measured. A portion of the raw tea leaf is taken out between the vibrating conveyor that receives the raw tea leaf from the automatic tea leaf container and the conveyor that receives the raw tea leaf from the vibrating conveyor and transfers the raw tea leaf to the vertical bucket conveyor for the raw tea leaf. A raw tea leaf sampling / measuring structure in a tea manufacturing line, which is provided with a raw tea leaf sampling / measuring device for measuring properties of the tea leaves contained therein. 4. A structure for measuring a tea leaf property including a water content of this raw tea leaf by extracting a part of the raw tea leaf which is being transferred on a tea making line in front of the steamer from the raw tea leaf automatic container and thereafter. From then on, the raw tea leaf belt conveyor that receives and transfers raw tea leaves from the chute of the vertical tea leaf vertical bucket conveyor in the tea production line before the steamer can be driven to rotate in the forward and reverse directions, and the reverse rotation is the direction opposite to the direction in which it is transferred to the steamer side. A raw tea leaf sampling / measuring structure in a tea manufacturing line, which is provided with a raw tea leaf sampling / measuring device for taking out a part of the raw tea leaves and measuring the tea leaf properties including the water content of the raw tea leaves at the end of the driving direction. 5. A structure in which a part of raw tea leaves being transferred on the tea making line in front of a steamer is taken out from the raw tea leaves automatic container and the tea leaf properties including the water content of the raw tea leaves are measured. A raw tea leaf sampling and measuring device is provided on the vibration conveyor that receives the raw tea leaves from the automatic tea leaf container, and a branching channel for sampling is provided to receive a portion of the raw tea leaves from this sampling branching route and measure the tea leaf properties including the moisture content of the raw tea leaves. A fresh tea leaf sampling measurement structure in a tea manufacturing line characterized by being provided. 6. The fresh tea leaf sampling / measuring device comprises a sampling means for taking out a part of the fresh tea leaf from the tea making line, and a moisture measuring device for measuring the water content and the weight of the fresh tea leaf to calculate the water content. A fresh tea leaf in a tea manufacturing line according to claim 1, 2, 3, 4 or 5, further comprising return means for receiving the fresh tea leaf from the moisture measuring device and returning the fresh tea leaf on the tea manufacturing line. Sampling measurement structure. 7. Returning the raw tea leaves to the tea-making line is
7. The raw tea leaf sampling / measuring structure in a tea manufacturing line according to claim 6, wherein the raw tea leaf sampling / measuring structure is located on the downstream side of the location where the raw tea leaves are taken out. 8. A quantitative supply means for receiving fresh tea leaves from the sampling means and for supplying the fresh tea leaves to the moisture measuring machine at a constant flow rate, between the sampling means and the moisture measuring device of the fresh tea leaf sampling and measuring device. The raw tea leaf sampling and measuring structure in the tea manufacturing line according to claim 6 or 7, which is provided. 9. The raw tea leaf flow meter comprising: a hopper, a belt conveyor arranged at the bottom of the hopper, and a scraping leveler that regulates the supply amount. Item 8. A raw tea leaf sampling measurement structure in the tea manufacturing line according to Item 8. 10. The raw tea leaf sampling and measuring structure in a tea manufacturing line according to claim 9, wherein the raw tea leaf flow meter is capable of adjusting a driving speed of a belt of a belt conveyor. 11. The fresh tea leaves in a tea production line according to claim 10, wherein the adjustment of the driving speed of the belt is controlled based on the weight or the transfer height of the fresh tea leaves transferred to the moisture meter. Sampling measurement structure. 12. Sampling means for taking out raw tea leaves from an upper tea-making line and dropping the raw tea leaves by a chute receives the fresh tea leaves from the chute before the raw tea flow meter and eliminates a drop impact. The raw tea leaf sampling and measuring structure in a tea manufacturing line according to claim 9, 10 or 11, wherein a feeding conveyor for feeding raw tea leaves into the raw tea leaf flow meter is provided. 13. The water content measuring machine comprises a transfer conveyor using a belt conveyor, and a press conveyor using a belt conveyor that faces the transfer surface of the transfer conveyor and holds and transfers fresh tea leaves together with the transfer conveyor. And a moisture meter composed of a microwave transmitting antenna and a microwave receiving antenna, which are opposed to each other so as to sandwich the transfer conveyor and the press conveyor, and the weight of fresh tea leaves held and transferred by the transfer conveyor and the press conveyor. 13. A raw tea leaf sampling and measuring structure in a tea manufacturing line according to claim 6, 7, 8, 9, 10, 11 or 12, further comprising a weight scale for measuring. 14. The water content measuring instrument comprises a vibration conveyor for transferring fresh tea leaves, a water content meter comprising a microwave transmitting antenna and a microwave receiving antenna, which are opposed to each other so as to sandwich the vibration conveyor, and the vibration. 7. A weight scale for measuring the weight of fresh tea leaves transferred on the conveyor.
The raw tea leaf sampling measurement structure in the tea manufacturing line according to 1 or 12. 15. The fresh tea leaf flow meter is provided in the upper stage of the machine frame, the moisture measuring device is provided in the lower stage of the machine frame, and the receiving side of the fresh tea leaf of the moisture measuring machine is charged with the fresh tea leaf flow meter. The raw tea leaf flow meter and the water content measuring device are integrally formed by being positioned on the side.
A raw tea leaf sampling measurement structure in the tea manufacturing line according to 1, 12, 13 or 14.