JPS6121949Y2 - - Google Patents

Description

[Detailed explanation of the invention] (Field of industrial application) This invention mechanically presses and pulls up the new leaves on the upper surface of the tea ridge, and picks the tea leaves in a continuous operation, similar to the traditional hand-picking process. This relates to a tea leaf plucking machine that picks tea.

(Prior art) Conventional tea leaf picking machines of this type include
There is an idea described in Publication No. 48239.

(Problems to be Solved by the Invention) The conventional tea leaf selective plucking machine described above is capable of picking and picking tea leaves intermittently by means of a clamper installed at appropriate intervals between driven chains on both sides and a belt conveyor below the clamper. Since the belt is bent onto the belt conveyor, held down, pulled backward, and pinched at the contact points, (1) the structure is complicated and the manufacturing cost is high;

(2) Tea leaf plucking is intermittent.

(3) The densely growing new shoots of tea leaves are difficult to cut near the border with the lignified part of the petiole, so there is a risk that the lignified part of the petiole may be mixed into the tea leaves. There are problems with these points.

(Means for Solving the Problems) Therefore, in order to solve the above problems, this invention has a rectangular cylindrical machine case 1 which is open at the front and back, and has a large number of horizontal protrusions 6 on the outer periphery. Elastic cylinders 7 arranged in parallel
A large diameter conveyor roll 5 which is fitted and fixed to a drum 8 is mounted on an axis, and in front of the large diameter conveyor roll 5 there is a horizontal protrusion 6 of the large diameter conveyor roll 5 on the outer periphery. Several small-diameter transport rolls 12, each consisting of an elastic cylinder 14 with a large number of horizontal protrusions 13 arranged in parallel, are fitted and fixed onto a drum 15, and are rotated vertically at appropriate intervals along the large-diameter transport roll 5. The large-diameter transport rolls 5 are freely stacked side by side, and the leaf bags 27 are attached to the rear opening of the machine casing 1.
is driven so that its engagement portion with several small-diameter conveyance rolls 12 in front thereof rises.

(Function) As the machine moves forward, new sprouts on the upper surface of the tea ridges are successively transferred to the large-diameter conveyor roll 5 and the small-diameter conveyor roll 12.
The tea leaves enter between the elastic tubes 7 and 14, are held in a zigzag pattern by them and pulled up, and are cut and plucked from the easy-to-cut part near the lignified part of the leaf stalk, and the picked tea leaves are sequentially picked. It rises while being held between the large-diameter conveyance roll 5 and several small-diameter conveyance rolls 12, is ejected backward from the upper end of the conveyance roll 5, and is stored in the leaf bag 27.

(Embodiment) To explain the structure of one embodiment of this invention shown in the drawings, 1 is a rectangular cylindrical machine casing with front and rear openings, and a frame 3 connects the upper ends of both side walls 2 with a lower middle The spaces between the two are connected by a bottom plate 4. 5 is a large-diameter transport roll housed in the middle of the machine casing 1, and an elastic cylinder 7 made of rubber, soft synthetic resin, etc. and having a large number of triangular horizontal protrusions 6 arranged side by side on its outer periphery is fitted onto the drum 8. The rotary shaft 9 to which the transport roll 5 is fixed is fitted into a gear casing 10 and a bearing 11 respectively attached to both side walls 2 of the machine casing 1. 12
In front of the large-diameter conveyance roll 5, three small-diameter conveyance rolls are stacked in parallel at appropriate intervals in the vertical direction almost along the large-diameter conveyance roll 5, and a large number of triangular transverse protrusions 13 on the outer periphery are made of rubber, soft synthetic resin, etc. It is constructed by fitting and fixing elastic cylinders 14 arranged in parallel to a drum 15, and the small diameter conveying roll 12 is inserted into a through hole provided at the front of both side walls 2 of the machine casing 1 and fixed by tightening with nuts 16 on both sides. The small-diameter transport rolls 12 are rotatably fitted to the shaft rods 17, and the small-diameter transport rolls 12 are slightly separated from the large-diameter transport rolls 5 as they move upward. The triangular transverse protrusions 13 and 6 are engaged. Reference numeral 18 denotes a roll cover provided in front of the intermediate and upper end small diameter conveyance rolls 12, the lower part of which is inserted between the intermediate and lower end small diameter conveyance rolls 12, 12, so that the lower end edge approaches the lower end small diameter conveyance roll 12. . Reference numeral 19 denotes a tea leaf detachment piece provided above and close to the rear of the small-diameter transport roll 12 at the upper end, and 20 and 21 indicate comb teeth and tea leaf detachment pieces attached to the front and rear of the bottom plate 4 of the machine casing 1.

Reference numeral 22 denotes a motor mounted concentrically on the outside of the gear case 10, and although not shown, the driving shaft of the motor 22 and the rotating shaft 9 are linked by a several-stage planetary gear transmission mechanism housed inside the gear case 10. . Reference numeral 29 is a handle fixed to the front part of the outer surface of the first side of the machine case 1, and 24 is a handle provided at the rear of the frame 3 of the machine case 1. A switch 25 is attached to the hand part of the handle, although it is not shown in the figure. A cord 26 is connected to a hand-held storage battery or generator placed on the ground and a motor 22 via a switch 25.
27 is a leaf bag attached to the rear opening of the machine casing 1.

Next, the effect will be explained. When the switch 25 is turned on, the electric circuit of the cord 26 is closed and the motor 22
2, the driving shaft of the motor 22 is decelerated and transmitted to the rotary shaft 9 through several stages of planetary gear transmission mechanism in the gear case 10, and the large diameter conveyor roll 5 attached to the rotary shaft 9 is moved as shown in FIG. At the same time, the three small-diameter conveyance rolls 12, in which the horizontal protrusions 6 and 13 of the large-diameter conveyance roll 5 engage, also rotate together in the direction of the arrow in FIG.

Therefore, the operator grasps the handle 24 along with the end of the leaf bag 27 with his right hand, grasps the grip rod 23 with his left hand, carries the machine, and places the bottom plate 4 of the machine casing 1 on the tea furrow. When the machine is operated forward, first, the comb teeth 20 enter into the new shoots on the upper surface of the tea ridge, and the new shoots in front of the machine are divided into equal parts by the guidance of the comb teeth 20, and then the new shoots are separated as shown in Fig. 2. By the rotation of the small-diameter conveyance roll 12 at the lower end, the horizontal protrusions 6 of the large-diameter conveyance roll 5 and the lower end, or the lower end and the intermediate small-diameter conveyance roll 12 are introduced between the large-diameter conveyance roll 5 and the small-diameter conveyance roll 12 at the lower end. , 13, press and clamp the upper part of the sprout in a zigzag pattern. Therefore, while preventing the machine from descending due to the contact of the comb teeth 20 with the upper surface of the brown ridges, the lateral protrusions 6 and 13 of the large-diameter conveying roll 5 and the lower end, or the lower end and the intermediate small-diameter conveying roll 12 are used to remove new sprouts. The tea leaves are pulled up in a zigzag pattern, and the pulling force is used to pluck the new leaves from the easy-to-break area near the lignified part of the petiole. 12 and rises integrally with them, starting between the large-diameter transport roll 5 and the small-diameter transport roll 12 at the lower end, and then between the large-diameter transport roll 5 and the middle small-diameter transport roll 12, and then the large-diameter transport roll 5. and the small-diameter transport roll 12 at the upper end while being held between the transport rolls 5 and 12, and after being released from the small-diameter transport roll 12 at the upper end, it is placed on the large-diameter transport roll 5 and transported backward. Large diameter transport roll 5
It is discharged into the machine casing 1 from the rear end, falls into the leaf bag 20 from the rear opening of the machine casing 1, and is stored therein.

In addition, the shaft rod 1 of the three small-diameter conveyance rolls 12
7. By integrally connecting the roll cover 18 and the tea leaf detachment piece 19 on both sides, and attaching the integrated body to the side plates 2 of the machine casing 1 so that it can be adjusted up and down in an arc centered on the rotation axis 9, it is possible to By arbitrarily raising or lowering the integrated body according to the degree of growth, the engaging portions of the horizontal protrusions 6 and 13 of the large-diameter conveyance roll 5 and the small-diameter conveyance roll 12 rise or fall, and the position where the sprouts are held is adjusted. Can be adjusted up and down.

On the other hand, an appropriate number of the small-diameter transport rolls 12 described above may be stacked in parallel as required.

In addition, the bottom plate 4 of the machine casing 1 is formed into a large concave arc shape to match the arc-shaped top surface of the brown ridges, and the large-diameter conveyance roll 5 is formed into a pinched shape along the bottom plate 4.
The small-diameter conveyor roll 12 is formed into a barrel shape along the large-diameter conveyor roll 5, and by engaging the horizontal protrusions 6, 13 of the conveyor rolls 5, 12, the bottom plate 4 of the machine casing 1 can be moved. When placed on the upper surface of the brown ridge and moving in the direction of the brown ridge and stroking the upper surface of the brown ridge with the bottom plate 4, a large diameter conveying roll 5 with horizontal protrusions 6 and a small diameter conveying roll 12 with horizontal protrusions 13 are formed. This works in the same manner as described above, and the new shoots on the upper surface of the tea ridge can be uniformly picked along the shape of the upper surface of the tea ridge.

(Effects of the invention) The tea leaf plucking machine of this invention has the following remarkable effects.

(1) A large-diameter transport roll with elastic horizontal ridges and several small-diameter transport rolls with horizontal ridges, which engage with each other and rotate, successively pinch and pull up the new shoots on the upper surface of the brown ridge while bending them in a zigzag pattern. (a) The tea leaves are picked mechanically and continuously, and the tea leaves are picked in the same way as traditional hand-picking, significantly improving work efficiency.

(b) No damage to new shoots.

(c) Grasp the new shoots firmly and pull them up.

(d) The downward pressure exerted on the machine casing due to the reaction of pulling up and plucking the sprouts is slight, and the machine can be operated easily and easily.

(2) Several small-diameter transport rolls are installed in front of the large-diameter transport roll, so (a) Even if a large-diameter transport roll is used, the pinching position of the new buds is low, making it difficult to properly pick the new buds. conduct.

(b) The new bud can be picked by pulling it up almost in the direction of the petiole, and the new bud is definitely picked from the easily broken area near the border with the lignified part of the petiole, and the lignified petiole is contained within the picked tea leaf. To improve the quality of tea by accurately plucking only the new buds of tea leaves without mixing the parts.

(c) The picked tea leaves are easily transported along the large-diameter transport rolls and discharged to the rear.

(3) Since it does not use an endless conveyor belt as in the past, (a) the structure is simplified and it can be easily manufactured at low cost.

(b) Operates easily and smoothly.

(c) There is no risk of failure and the durability is high.

[Brief explanation of the drawing]

FIG. 1 is a side view of a tea leaf plucking machine according to an embodiment of this invention, FIG. 2 is a side sectional view, FIG. 3 is a plan sectional view, and FIG. 4 is a front view. 1...Machine housing, 5...Large diameter conveyance roll, 6...Horizontal protrusion, 7...Elastic tube, 8...Drum, 12...Small diameter conveyance roll, 13...Horizontal protrusion, 14...Elasticity Cylinder, 15...drum, 27...leaf bag.

Claims (1)

[Scope of utility model registration request] Inside the square cylindrical machine case with openings at the front and back, a large-diameter transport roll made of an elastic cylinder with many horizontal protrusions arranged side by side on the outer periphery is fitted onto a drum and fixed. In front of the large-diameter conveyance roll, there are several elastic cylinders that are fitted and fixed to the drum, each having a large number of horizontal protrusions arranged in parallel on the outer periphery to engage with the horizontal protrusions of the large-diameter conveyance roll. Small-diameter conveyor rolls are stacked vertically along the large-diameter conveyor rolls so that they can rotate freely at appropriate intervals, and a leaf bag is attached to the rear opening of the machine casing, and several large-diameter conveyor rolls are placed in front of the large-diameter conveyor rolls. A tea leaf plucking machine that is driven so that the engaging part with the small-diameter conveyor roll is raised.