JP2003210109A - Measuring apparatus of measuring packing machine for tea manufacturing - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an inexpensive measuring apparatus of a measuring packing machine for tea manufacturing having a simple structure, easy to maintain, well-balanced in abilities of the whole apparatus, drivable at high efficiency and packing tea leaves in a lot of large paper bags in limited working hours. <P>SOLUTION: This measuring apparatus of the measuring packing machine for tea manufacturing for measuring a prescribed amount of the tea leaves and putting it in the bag is composed of a container, a measuring means measuring the tea leaves in the container and a discharging means discharging the tea leaves by inclining the container. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tea making process in which a tea bag produced in a tea making factory is shipped by weighing it into a large paper bag (called the ocean in the tea making industry) or a cardboard box. The present invention relates to a weighing machine of a weighing bag filling machine.

[0002]

2. Description of the Related Art Usually, rough tea produced in a tea factory is filled in a large sea bag with a predetermined amount of rough tea of 20 to 40 kg. At the peak of the rough tea production period, several tons to tens of tons of crude tea are produced daily. Since the unit price of the rough tea is reduced daily, the rough tea bagging work is often carried out collectively in the early morning just before the shipment on the day when the rough tea is produced. Therefore, it is necessary to quickly complete the packaging of a large amount of rough tea in a short time. As a conventional technique, as in the invention of Japanese Patent Application Laid-Open No. 8-164907, rough tea is introduced into a belt conveyor type measuring device (hereinafter referred to as a measuring conveyor) by a tea supply conveyor,
There is a tea making weighing bagging machine that weighs a little less than the bagging set value with a weighing conveyor, puts it into a large sea bag, and weighs a predetermined amount with a small amount feeding conveyor.

As a conventional weighing conveyor for coarsely measuring rough tea, a small belt conveyor is used, the belt surface is the bottom surface, the upper three surfaces of the belt conveyor are surrounded, and left and right side walls and a rear end wall are sent out. The end is provided with an open / closed delivery end wall to form a rough tea storage part, and a metering mechanism using a load cell at the bottom of the belt conveyor, so that the rough tea in the storage part is slightly less than the bagging setting value. When the measured value is reached, the device for stopping the supply of crude tea to the storage unit, starting the belt conveyor, moving the crude tea, and discharging it from the delivery end.

[0004]

The conventional weighing conveyor has many expensive parts, has a large number of parts, and requires many man-hours for assembling. In addition, after roughly measuring the rough tea, the belt conveyor is activated to move the rough tea on the belt and discharge the rough tea from the delivery end. Therefore, it takes more than 5 seconds to discharge the rough tea. There is a problem that it affects the capacity of the weighing bagging machine. INDUSTRIAL APPLICABILITY The present invention has a simple structure, is easy to maintain, is inexpensive, has a good capacity balance of the entire device, operates at high efficiency, and packs a large number of large sea bags within a limited working time. The challenge is to provide a measuring instrument of.

[0005]

In order to solve the above problems, the present invention takes the following measures. The first means is a tea-manufacturing weighing bagging machine for weighing a predetermined amount of tea leaves into a bag, a container, a weighing means for weighing the tea leaves in the container, and a tea leaf by tilting the container. And a discharging means for discharging. A second means is the container according to the first means, wherein the upper surface and a part of the side surface of the container are opened and the upper surface and a part of the side surface are opened, and a measuring means for measuring tea leaves in the container, A fulcrum mechanism is provided at approximately the center of the bottom surface of the container in order to connect it to the discharging means for tilting the container and discharging the tea leaves. The third means is the above-mentioned first or second means, in which an openable / closable discharge door is provided on a part of the open side surface. A fourth means is, in the above-mentioned first means, a cylindrical container whose upper surface and lower surface are opened, and whose upper surface and rear surface are opened,
A container configured by a box-shaped container rotatably supported on the side surface of the cylindrical container is used. The fifth means is the above first
Or in 4 means, a measuring means is provided on the upper part of the container.
A sixth means is the above fourth or fifth means, wherein one end of the discharging means is pivotally supported on the upper portion of the cylindrical container, and the other end is pivotally supported on the upper portion of the box-shaped container. A seventh means is the above first,
In the 2, 3, 4, 5 or 6 means, the discharging means is an actuator.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments embodying the present invention will now be described in detail with reference to the drawings. FIG. 1 is a side view of a measuring device 2 of a tea making measuring bag filling machine 1 of the present invention, and FIG. 2 is a front view of the measuring device 2. FIG. 3 is a side view of the measuring device 2 in which the container 3 is tilted and the tea leaves 4 are discharged.
The measuring instrument 2 for measuring a rough measurement value slightly smaller than the bagging set value of the tea leaves 4, which is a feature of the present invention, is a container 3 in which the upper surface 5 and a part of the side surface (front surface 6) are opened. The tea leaves 4 are put into the container 3 from the upper surface 5 of the container 3. At the lower part of the container 3, a measuring means 10 for measuring the tea leaves 4 and a discharging means 12 for inclining the container 3 to discharge the tea leaves 4 are provided, so that the container 3, the measuring means 10 and the discharging means 12 are connected to each other. A fulcrum mechanism 8 is provided, and the fulcrum mechanism 8 is provided substantially in the center of the bottom surface 7 of the container 3 in parallel with the open front surface 6 of the container 3. Container 3
The tea leaves 4 put in the load cell 1 serve as a measuring means.
At 0, the tea leaves 4 are roughly weighed, and when the tea leaves 4 in the container 3 reach a predetermined rough weighing value, the feeding of the tea leaves 4 into the measuring device 2 is stopped, and the container 3 is moved to the front by the discharging means 12. The tea leaves 4 are discharged from the front surface 6 by inclining so that 6 is downward.
In this example, a box-shaped container having one of four side surfaces opened is used as the container 3, and the container 3 has a width of 510 mm, a depth of 820 mm, and a height of 400 mm. However, the shape or size of the container 3 is not limited to this. Further, although the load cell 10 is used as the measuring means, other means such as one using a link mechanism may be used as long as the tea leaves 4 contained in the container 3 can be measured.

When the tea leaves 4 that have been introduced are roughly weighed and the tea leaves 4 in the container 3 reach a predetermined rough weighed value, the air cylinder 12 is used as the discharging means and the rod 13 of the air cylinder 12 is extended. , Fulcrum 14 of fulcrum mechanism 8
Centering on, lift the rear part 15 of the container 3 to
And the tea leaves 4 in the container 3 are discharged. Since the container 3 is tilted and the tea leaves 4 are discharged from the front surface 6, the discharging speed is increased, and the discharging time is 1 second, which is substantially one fifth of the discharging time as compared with the conventional belt conveyor type weighing machine. Shortened. Since the fulcrum mechanism 8 is provided substantially in the center of the bottom surface 7 of the container 3, the stroke of the air cylinder 12 is shortened,
The force to push up the container 3 is reduced. In addition, in order to incline the container 3 and discharge the tea leaves 4, the air cylinder 12
However, other actuators such as a motor and a hydraulic cylinder may be used.

The measuring device 2 for roughly measuring the tea leaves 4 is a container 3 in which a tea leaf inlet 16 on the upper surface 5 and a tea leaf outlet 17 on the front surface 6 (a part of the side surface) are opened to form a container for the tea leaves 4. However, as shown in FIGS. 4 and 5, an openable and closable discharge door 18 is provided on the open front surface 6, an actuator such as an air cylinder 19 is attached to the discharge door 18, and the discharge door 18 is inserted when the tea leaves 4 are introduced. By closing and opening the tea leaves 4 when they are taken out, it is possible to prevent the tea leaves 4 from spilling when the tea leaves 4 are put in, and it is possible to accurately measure the tea leaves 4 roughly. Further, by tilting the container 3 without attaching the actuator to the discharge door 18, the fulcrum 33 on the upper part is centered,
It is also possible to automatically open the discharge door 18 and discharge the tea leaves 4.

FIG. 6 is a side view showing a state where the measuring device 2 is set in the tea making measuring bag packing machine 1, and FIG. 7 is a front view. The tea making weighing bagging machine 1 having the weighing device 2 set therein is operated as follows. The open side of the large sea bag 21 is opened by hand, and the large sea bag 21 is inserted between the pneumatic chucks 22 attached to the tips of the lifting arms 20 having two arms. (Including the case where the large sea bag 21 is automatically inserted between the pneumatic chucks 22 using the large sea attachment device.) The large sea bag insertion confirmation switch (not shown) is attached to the pneumatic chuck 22. When the insertion of the large sea bag 21 is confirmed, the pneumatic chuck 22 is closed and the large sea bag 21 is held. next,
When the operation button on the control panel (not shown) is pressed, the trough conveyor 23, the bucket conveyor 24, and the vibrating table 25 start operating, and the closing chute shutter 26 provided at the closing end of the closing chute 27 opens. The tea leaves 4 conveyed by the trough conveyor 23 and the bucket conveyor 24 are loaded into the container 3 from the upper surface 5 of the container 3, and are connected to the fulcrum mechanism 8 provided at the approximate center of the bottom surface 7 of the container 3 and the load cell 10.
At this time, the introduced tea leaves 4 are roughly weighed, and the tea leaves 4 are thrown into the weighing machine 2 from the dosing chute 27 until the preset coarse weighing value is reached. When the preset coarse weighing value is reached, the loading chute shutter 26 provided at the loading end of the loading chute 27 is closed, the loading of the tea leaves 4 into the weighing device 2 is stopped, and the trough conveyor 23 and the bucket conveyor 24 are stopped. , The conveyance of the tea leaves 4 is stopped.

Next, when the preset coarse measurement value is reached,
The air cylinder 12 provided on the rear portion of the bottom surface 7 of the weighing instrument 2 is activated, the rod 13 of the air cylinder 12 extends, and the fulcrum 14 of the fulcrum mechanism 8 provided substantially at the center of the bottom surface 7 of the weighing instrument 2 is centered. The rear portion 15 of the measuring device 2 is raised, the measuring device 2 is tilted, and the tea leaves 4 in the measuring device 2 are discharged. The tea leaves 4 pass through a charging chute 31 and are charged into a large sea bag 21 held by a pneumatic chuck 22 attached to the tip of the elevating arm 20 below the discharging portion of the weighing machine 2 and provided at the bottom of the large sea bag 21. Due to the swinging of the vibrating table 25, the tea leaves 4 are densely filled. Then, the pneumatic chuck 22 holding the large sea bag 21 is opened and placed on the vibrating table 25.

Further, a branch chute 32 branches downward on a side portion of the charging chute 27. At the outlet of the lower end of the branch chute 32, a small amount feeding conveyor 30 is arranged. A platform scale 29 is arranged on the floor surface below the delivery end of the small amount feeding conveyor 30, and the ocean scale 21 on the vibrating table 25 is transferred onto the platform scale 29 by the ocean transfer device 28. Since the weighing instrument 2 measures a coarse weighing value slightly less than the bagging set value, the shortage amount is insufficient by the conveyor 30.
, And when the platform scale 29 reaches a predetermined weight, the small amount feeding conveyor 30 is stopped, and the packing of one large sea bag 21 is completed. The above cycle is repeated to carry out the bagging work.

FIG. 8 is a side view of the measuring device 42 of the tea making measuring bag filling machine 1 of another embodiment, and FIG. 9 is a front view of the measuring device 42. FIG. 10 is a side view of the measuring device 42 in which the box-shaped container 44 is inclined and the tea leaves 4 are discharged. The weighing device 42 has a cylindrical container 43 having an upper surface 45 and a lower surface 46 opened and both side surfaces 47, a front surface 48 (with some cutouts) and a rear surface 49 closed, and an upper surface 50 and a rear surface 51 opened outside thereof. Then, the box-shaped container 44 having the side surfaces 52, the front surface 53, and the bottom surface 54 closed forms a storage portion for the tea leaves 4. Outside the side surface 47 of the cylindrical container 43, the box-shaped container 4
The side surfaces 52 of 4 overlap, and the box-shaped container 44 is rotatable around a fulcrum 58. The tea leaves 4 are put into the container 43 from the upper surface 45 of the cylindrical container 43. Load cells 55 are provided at the four corners of the upper portion of the cylindrical container 43 as measuring means to measure the tea leaves 4. An air cylinder 56 as a discharging means for discharging the tea leaves 4 by inclining the box-shaped container 44 is pivotally supported on one end of the upper part of the cylindrical container 43, and the other end is mounted on the upper part of the rotatable box-shaped container 44. It is provided to support the shaft. The tea leaves 4 put in the cylindrical container 43 are roughly weighed by the load cells 55 at the four corners of the upper portion, and the tea leaves 4 in the cylindrical container 43 and the box-shaped container 44 are roughly weighed. When the value is reached, the feeding of the tea leaves 4 into the measuring device 42 is stopped, and the rod 57 of the air cylinder 56 is moved by the air cylinder 56.
And the front portion 59 of the box-shaped container 44 is raised about the fulcrum 58, and the bottom surface 54 of the box-shaped container 44 is inclined so that the bottom surface 54 of the box-shaped container 44 faces upward. Container 4
The tea leaves 4 in 4 are discharged from the lower surface 46. Box-shaped container 44
Since the tea leaves 4 are discharged from the lower surface 46 by inclining, the discharging speed is increased, and the discharging time is significantly shortened as compared with the conventional belt conveyor type weighing device. As a weighing means, the load cell 5 is provided at the four corners of the upper portion of the cylindrical container 43.
5 is provided, the load cell 55 may be installed in the lower portion, and the number of load cells 55 may be any number.
As long as the tea leaves 4 in the container 43 can be weighed, other means such as one using a link mechanism may be used.

[0013]

EFFECTS OF THE INVENTION Since the measuring instrument of the present invention discharges tea leaves by inclining the container, the discharging speed is increased, the capacity balance of the tea measuring bagging machine as a whole is improved, and it can be operated with high efficiency. , It is possible to bag many oceans within a limited working time. In addition, the structure is simpler, the number of parts is smaller, the time for manufacturing and assembling parts is reduced, and the cost is reduced compared to the conventional belt conveyor type weighing machine.
Maintenance is easy and the failure rate can be reduced.

Since the air cylinder is used as the discharging means and the tea leaves are discharged by inclining the container, the discharging time can be shortened with a simple mechanism. Further, since the fulcrum mechanism is provided substantially at the center of the bottom surface of the container, the stroke of the air cylinder can be shortened and the force for pushing up the container can be reduced.

A discharge door that can be opened and closed is provided on the open front side of the measuring device. When the tea leaves are loaded, the discharge door is closed, and when the tea leaves are taken out, the discharge door is opened. It is possible to prevent spillage and to accurately measure the coarse amount of tea leaves. Further, by attaching an air cylinder to the openable / closable discharge door and opening / closing the discharge door, the discharge door can be surely opened / closed.

[Brief description of drawings]

FIG. 1 is a side view of a weighing machine according to the present embodiment.

FIG. 2 is a front view of the weighing machine according to the present embodiment.

FIG. 3 is a side view of a measuring device which discharges tea leaves by inclining the container.

FIG. 4 is a side view of the weighing machine having an openable front discharge door.

FIG. 5 is a side view in which a weighing instrument provided with a discharge door that is openable and closable on the open front is tilted.

FIG. 6 is a side view showing a state where the measuring device is set in the tea making measuring bag filling machine.

FIG. 7 is a front view showing a state where the measuring device is set in the tea making measuring bag filling machine.

FIG. 8 is a side view of a weighing machine according to another embodiment.

FIG. 9 is a front view of a weighing machine according to another embodiment.

FIG. 10 is a side view of a measuring device that discharges tea leaves by inclining a box-shaped container.

[Explanation of symbols]

1 Measuring bag filling machine for tea making 2 measuring instruments 3 containers 4 tea leaves 5 upper surface 6 front 7 Bottom 8 fulcrum mechanism 10 load cell 12 air cylinders 13 rod 14 fulcrum 15 rear 16 Tea leaf input port 17 Tea leaves outlet 18 discharge door 19 air cylinder 20 lifting arms 21 Oumibukuro 22 Pneumatic chuck 23 Trough conveyor 24 bucket conveyor 25 shaking table 26 Input chute shutter 27 Input chute 28 Ocean Transfer Device 29 scales 30 Micro-loading conveyor 31 Shooting chute 32 branch shoots 33 fulcrum 42 Measuring instrument 43 containers 44 containers 45 upper surface 46 Lower surface 47 sides 48 front 49 rear 50 top 51 Rear 52 side 53 front 54 Bottom 55 load cell 56 air cylinder 57 rod 58 fulcrum 59 front

Claims (7)

[Claims] 1. A tea-making weighing bagging machine for weighing a predetermined amount of tea leaves into a bag, a container, a weighing means for weighing the tea leaves in the container, and tilting the container to form the tea leaves. A measuring instrument for a tea making measuring bag filling machine, comprising a discharging means for discharging. 2. A container in which the upper surface and a part of the side surface of the container are opened and a part of the upper surface and the side surface are opened, a measuring means for measuring the tea leaves in the container, and the container is tilted to form the tea leaves. 2. A weighing machine for a tea-making weighing bag filling machine according to claim 1, wherein a fulcrum mechanism is provided at substantially the center of the bottom surface of the container in order to connect with the discharging means for discharging. 3. A weighing machine for a tea making weighing bag packing machine according to claim 1, wherein a discharge door which can be opened and closed is provided on a part of the open side surface. 4. A cylindrical container having open upper and lower surfaces,
2. A measuring bag filling machine for tea making according to claim 1, wherein a container constituted by a box-shaped container whose upper surface and rear surface are opened and which is rotatably supported on the side surface of the cylindrical container is used. Meter. 5. The measuring instrument for a tea making measuring bag filling machine according to claim 1, wherein a measuring means is provided on an upper portion of the container. 6. The tea measuring scale according to claim 4, wherein one end of the discharging means is pivotally supported on the upper part of the cylindrical container, and the other end is pivotally supported on the upper part of the box-shaped container. Bagging machine. 7. The weighing machine for a tea measuring bagging machine according to claim 1, 2, 3, 4, 5 or 6, wherein the discharging means is an actuator.