JPH0137430Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to a tea manufacturing and drying machine equipped with a tea leaf reversing device, and more specifically, to an improvement of a tea leaf reversing device used in the tea manufacturing and drying process.

[Conventional technology]

One of the most important steps in the tea manufacturing process is the drying process of tea leaves. In order to dry tea leaves efficiently and uniformly, it is necessary to dry the tea leaves while constantly inverting them. Currently, the tea manufacturing and drying process is only carried out manually.

Conventionally used drying methods include hot air convection and radiation methods, but since the tea layer is formed on a conveyor and transported through the drying chamber, although it is said to be in an air permeable state, the tea layer is The closer it is to the surface, the better it dries, and the occurrence of uneven drying cannot be prevented.

In addition, there is a device that inverts the tea leaves on the conveyor while being transported, which allows the tea leaves to fall from the end of the conveyor to the lower conveyor to break up the layers of the tea leaves and ensure uniform drying.

[Problem that the invention attempts to solve]

Convection and radiation type drying equipment cannot prevent uneven drying, so it is necessary to make the tea layer thinner, and the processing capacity is low, and it is difficult to make the tea layer fall from the end of the conveyor to the lower conveyor. However, those that attempt to invert the tea leaves have the disadvantage that sufficient inversion cannot be achieved unless multiple conveyors are installed.

[Means for solving problems]

Therefore, this idea was designed to have sufficient drying ability even when the tea leaves transported on the conveyor are thick, and to prevent uneven drying. , a mounting plate located between this endless chain, a reversing arm that is attached to the machine frame and pushing up the mounting plate, and an endless chain that rotates by colliding with the end of this reversing arm. the placing plate has a rear end in the direction of movement that is a free end, the pushing-up end of the reversing arm is below the placing plate, and the abutting plate contacts the abutting end. It is characterized by being configured so that the tea leaves can be dried uniformly using a tea leaf reversing device that can be made to stand upright.

〔Example〕

Embodiments of this invention will be described below with reference to the attached drawings. . In the figure, reference numeral 10 indicates an endless chain arranged in pairs, and is formed by connecting a large number of link plates 11 with link pins 12, each link pin 12.
A guide roller 13 having the function of an abutment is attached to the holder, so that the holder can move while rotating on a guide rail, which will be described later.

The end portion 12a of the link pin 12 projects inside the chains 10, 10, and the end portion 12a of the link pin serves as a pivot to pivotally support one end portion of the mounting plate 20. This placing plate 20 has a cylinder fixed to one end of a mesh-like plate part 21 on which tea leaves are placed, forming a bearing part 22, and the end part 12a of the link pin fits into this bearing part 22, forming a pivot end. 21a
The other end of the plate portion 21 forms a free end 21b having a cylindrical shape.

A guide rail 23 on which the guide roller 13 is placed is arranged on the upper ring portion of the endless chain 10 and is fixed to a machine frame (not shown).
The bearing part 22 of the mounting plate 20 is placed on a, and the plate part 21
It acts as a stopper that restricts the downward rotation.

This guide rail 23 has a through hole 24 bored approximately in the center in the length direction, and this through hole 24
An abutting end 32 of a reversing arm 30, which is pivotally supported on the machine frame by a pivot 31, projects therein. The abutting end 32 near the other end becomes a weighted end 33, so that the abutting end 32 can protrude into the through hole 24. This reversing arm 30 is formed with a push-up arm 34 that is perpendicular to the line connecting the abutment end 32 and the weight end 33. It is located below the plate portion 21. .

Next, the operation of the tea manufacturing and drying machine equipped with the tea leaf reversing device of this invention will be explained. First, in the dryer, the tea leaves are moved by a conveyor equipped with a reversing device and subjected to an appropriate drying action, and the tea leaves L are placed in layers on the placing plate 20. . As the guide roller 13 moves on the guide rail 23, the guide roller 13 hits the abutting end 32 of the reversing arm 30 protruding from the through hole 24, moves forward while pushing down the abutting end 32, and the weight is moved forward. The reversing arm 30 is rotated while resisting the weight of the end 33. This rotation of the rotary arm 30 causes the push-up arm 34 to push up the placement plate 20, and the push-up arm 34 continues to push up the placement plate 20 until the guide roller 13 passes over the abutting end 32.

Finally, the placing plate 21 is raised up to nearly 90 degrees, and the tea leaves L thereon are inverted and transferred onto the placing plate 20 one position ahead in the direction of travel.

The guide rail 13 is the abutting end 3 of the reversing arm 30
2, the weight of the weight end 33 pushes up the arm 3.
4 is returned to its original position which is approximately horizontal, and the empty mounting plate 20 is also returned to its original horizontal position by its own weight.

Again, the next guide roller 13 is the reversing arm 20
When the reversing arm 30 is rotated while hitting the abutting end 32 of the tea leaf, the placing plate 20 is raised up by the push-up arm 34, and the tea leaves are inverted and transferred onto the previously empty placing plate 20.

[Effect of idea]

As is clear from the above description, the tea manufacturing and drying machine equipped with the tea leaf reversing device of this invention is configured so that the mounting plate on which tea leaves are placed and transported can stand up in the direction of movement during the transport process. Tea leaves can be actively and reliably turned over, resulting in uniform drying.
It has the effect of improving that ability.

[Brief explanation of the drawing]

Figure 1 is a perspective view of the main parts of a tea manufacturing and drying machine equipped with the tea leaf reversing device of this invention, Figure 2 is a plan view of the same, and Figure 3 is a top view of the same.
The figure is a sectional view of the same side, and FIG. 4 is a sectional view taken along the arrows in FIG. 3. 10...Chain, 11...Link plate, 1
2... Link pin, 13... Guide roller, 20
... Placement plate, 21 ... Plate part, 22 ... Bearing part, 2
3...Guide rail, 24...Through hole, 30...Reversing arm, 31...Pivot, 32...Abutting end, 33
... Weight end, 34 ... Push-up end.

Claims (1)

[Scope of utility model registration request] An endless chain arranged in parallel, a mounting plate located between the endless chains, a reversing arm that is attached to the machine frame and pushing up the mounting plate, and an end that collides with the end of this reversing arm. and an abutment attached to an endless chain that rotates the arm. A tea manufacturing/drying machine equipped with a tea leaf reversing device, characterized in that the abutment is made to stand up when it hits the abutment end.