JP3208496B2 - Removal unit for tea leaf management machine - Google Patents

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 fresh tea leaf managing machine for harvesting fresh tea leaves and storing them in a tea factory, and more particularly to a so-called container type fresh tea leaf managing machine for extracting fresh tea leaves. It relates to a closing device.

[0002]

BACKGROUND OF THE INVENTION Even with this kind of fresh tea leaf management machine, there is a tendency to design the space to be effectively utilized. For example, in a so-called container type fresh tea leaf management machine, a portion directly contributing to the storage of fresh tea leaves is sufficiently provided. It is required that the size of the so-called auxiliary parts, such as a take-out unit inspection device, be reduced further. That is, in this type of fresh tea leaf managing machine, a hatch-type steel plate closing device having a hinge at the upper side is provided at the end of the container body on the take-out side. However, such a conventional closing device requires a large force for opening and closing operations due to its heavy weight, and further requires extra space for opening and closing because its free end protrudes forward. As a result, space saving could not be achieved.

[0003]

[Technical Issues Attempted to Be Developed] The present invention has been made in view of such a background, and the inventor of the present invention has taken out a novel tea leaf management machine which requires relatively little space and can be opened and closed relatively easily. An attempt was made to develop a head closure device.

[0004]

Configuration of the Invention

Means for Achieving the Object In other words, the first invention of the take-out part closing device in the tea fresh leaf managing machine according to the present invention is a slat conveyor.
At the take-out end of a container body comprising a move floor in the shape of an arrow and side plates rising from both sides thereof, a shutter body is provided which is wound around a take-up drum and closes the take-out end of the container body in the unwound state. It is characterized by the following.

[0005] In addition, in the second invention of the take-out part closing device in the fresh tea leaf managing machine according to the present invention, in addition to the above requirements, the take-up drum is biased in the winding direction on the drum shaft of the take-up drum. It is characterized in that a balancer is provided.

Further, in a third aspect of the present invention, in addition to the above-mentioned requirements, the shutter main body is provided such that the shutter main body is horizontally reinforced with a flexible shutter sheet at regular intervals. Is provided.

[0007] Furthermore, in a fourth aspect of the present invention, in addition to the above-mentioned requirements, a base reinforcing bar and a free end reinforcing bar of the reinforcing bar are provided at an intermediate portion. It is characterized in that it has a diameter larger than that of the bar, and that a stopper for preventing passage of the base end reinforcing bar and the free end reinforcing bar is provided near the winding drum. The present invention aims to achieve the above object.

[0008]

According to the present invention, the shutter main body wound around the winding shaft is configured to hang down or be wound substantially vertically, and when the shutter main body is extended, the container main body at the take-out portion side. To prevent the tea leaves from spilling out. The balancer urges the winding drum of the shutter body in the winding direction, so that the shutter body can be extended and wound by a light operation. In addition, since the shutter main body is provided with the reinforcing bar, it can sufficiently withstand the lateral pressure of the accumulated fresh tea leaves. In addition, since the free end reinforcing bar and the base reinforcing bar of the reinforcing bar have a large diameter, the stopper prevents the seat body from being further extended or wound up, and simply informs the operation limit. is there.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to the illustrated embodiments. Reference numeral 1 denotes a fresh tea leaf management machine to which the present invention is applied, which is a container main body 2 which is a main member for substantially storing fresh tea leaves, and a take-out device 3 provided on a take-out side of the container main body 2. Further, there is provided a take-out part closing device 4 provided at the boundary between the container body 2 and the take-out device 3, and these are appropriately combined by a frame 5. Reference numeral 6 denotes a transfer conveyor that sends the fresh tea leaves A to the next step.

First, the container main body 2 will be briefly described. This is a conventionally known apparatus having a move floor 20 for supporting fresh tea leaves at the bottom. The move floor 20 has a slat conveyor shape, and is constructed so that a large number of slats 21 are stretched around the pulleys 22 at the front and rear ends, so that the stored fresh tea leaves A can be sequentially sent out. I have.

The slat 21 is provided with a ventilation hole 21a, and a ventilation box 23 is provided below the storage action surface by dividing the longitudinal direction of the move floor 20 into several parts.
It is configured such that air for cooling the fresh tea leaves stored therein can be supplied from the ventilation hole 21a. A side plate 25 is set up on both sides of the move floor 20 so that fresh tea leaves A can be sufficiently stored, and a wife plate 26 is provided on the side opposite to the side on which the extracting device 3 is provided.

Next, the take-out device 3 attached to the container body 2 will be described. This has a scraping shaft 30 as a main member. The scraping shaft 30 has a large number of scraping pieces 30a and is guided by a guide rail 31 on the take-out side of the container body 2 while being driven to rotate. To move a certain range. That is, the frame 5
The lifting frame 32 is slidably supported in a substantially vertical direction with respect to a pair of left and right guide rails 31 attached thereto. 33. In this embodiment, two scraping shafts 30 are arranged vertically (indicated by reference numerals 30I and 30II for distinction), but the number of the arranged scraping shafts can be appropriately increased or decreased. Therefore, the bearing 33 is also provided vertically above and below the scraping shafts 30I and 30II.

A driving unit 34 including a motor M for driving the scraping shaft 30 is mounted on a driving unit mount 32A provided below one of the lifting frames 32. The output rotation is transmitted to the end of the lower scraping shaft 30II via a bevel gear or the like as appropriate. On the other hand, the pair of upper and lower scraping shafts 30I, 3I
OII has sprockets 35I and 35II at the opposite end of the drive unit 34, respectively, and the chain 36 is suspended between them. Therefore, the lower scraping shaft 30II rotated by the driving unit 34
Is transmitted to the upper scraping shaft 30I via the chain 36.

As a mechanism for raising and lowering the scraping shaft 30, a crank mechanism provided at both ends of the upper scraping shaft 30I is provided. That is, a crank arm 37 is provided on the upper scraping shaft 30I, a fixed shaft 38 is provided on the frame 5 above the scraping shaft 30I, and a connecting rod 3 is provided between the fixed shaft 38 and the crank arm 37.
9 for connection. With this configuration, when the crank arm 37 rotates with the rotation of the upper scraping shaft 30I, this movement is transmitted to the fixed shaft 38 via the connecting rod 39.
Cannot move in the vertical direction due to only the rotational connection, so that the crank arm 37 side relatively moves up and down. This elevating movement is the movement of the entire elevating frame 32 that supports the upper and lower scraping shafts 30I and 30II and the drive unit 34.

Next, the take-out part closing device 4 which is a characteristic component of the present invention and is provided so as to partition between the take-out side of the container body 2 and the take-out device 3 will be described. The shutter main body 40, which is a so-called curtain-shaped member, is pulled out or stored in a substantially vertical direction to open and close the take-out end of the container main body 2. That is, the shutter body 4
Numeral 0 designates a reinforcing bar 42 in a horizontal direction at an appropriate interval with respect to a shutter sheet 41 made of a synthetic resin film having sufficiently high rigidity.
Is provided. In this reinforcing bar 42, both the base reinforcing bar 42A and the free end reinforcing bar 42B have a large diameter, and the intermediate reinforcing bar 42C has a smaller diameter. The ends of the reinforcing bar 42 are guided and held by guide rails 43 attached to the frame 5.

A take-up drum 44 is provided at the upper end of the container body 2 as a member for raising and lowering the shutter body 40. A hoist handle 46 is attached to the end of the drum shaft 45 of the take-up drum 44. The balancer 47 is provided on the drum shaft 45 so that the hoisting operation can be performed lightly.
Is provided. That is, the balancer 47 has a wire 47A wound around the drum shaft 45 and a spring 47B extending between one end of the wire 47A and the frame 5 of the container body 2.
The spring 47B is configured to be lightly wound up with the help of the tension tendency of the spring 47B.

Further, a rod-shaped stopper 48 is provided near the lower side of the winding drum 44.
8 is a cover 49 provided so as to surround the winding drum 44.
Of the reinforcing bars 42 of the shutter sheet 41 and the free-end reinforcing bars 42A.
The configuration is such that the interval is smaller than the thickness of B and wider than the thickness of the intermediate reinforcing bar 42C, and the limits of the feeding and winding of the shutter sheet 41 are set respectively.

The present invention has the above-described structure, and operates as follows. First of all, tea fresh leaf management machine 1
In storing the fresh tea leaves A in the above, the fresh tea leaves A are moved from above onto the move floor 20 in the container body 2 by an input device provided above the fresh tea leaf management machine 1 and capable of facing the input section at an appropriate position. To At this time, if it is not necessary to move the tea leaves A to the next step,
Alternatively, when it is necessary to prevent the movement, first, the shutter main body 40 of the take-out section closing device 4 according to the present invention is operated so that the shutter sheet 41 closes the take-out side of the container main body 2.

That is, the shutter sheet 41 is fully fed from the winding drum 44, and is set in a state where its free end hangs down to a position almost in contact with the move floor 20 in the container body 2. At this time, in the limit state of the extension, the reinforcing bar 42A at the base end of the reinforcing bar 42 is connected to the stopper 48 and the cover 49.
The movement is stopped in a state in which the vehicle cannot pass through the gap. The reinforcing bars 42 provided at appropriate intervals have guide rails 43 at both ends thereof.
Is held in such a state that it fits in the tongue, and the lateral pressure of the accumulated fresh tea leaves A is received. At this time, the wire 47A of the balancer 47 is connected to the drum shaft 4
5, the spring 47B is in an extended state.

In such a state, when an appropriate amount of fresh tea leaves A is accumulated in the container body 2 and it is necessary to move it to the next step, the following operation is performed together with the movement of the move floor 20. You. First, the shutter sheet 41 in the shutter body 40 is opened, and the operation of the extracting device 3 is started. Actually, the shutter body 4
It is desirable that the operation of the unloading device 3 be started before the zero is immediately released.

First, the take-out part closing device 4 is provided with a shutter body 40.
The take-up drum 44 is rotated in a direction in which the shutter sheet 41 is taken up by, for example, manually operating the hoisting handle 46, and the take-up drum 46 is taken up. When the winding is completed, the free end reinforcing bar 42B of the shutter sheet 41 cannot pass through the gap between the stopper 48 and the cover 49 and is caught here, and the winding stop position is regulated. At this time, since the spring 47B of the balancer 47 is stretched and is urged in the contracting direction at this time, the winding load always slightly increases with respect to the drum shaft 45 of the winding drum 44 in the winding direction. It is in a biased state, and its winding is extremely light.

In this state, when the fresh tea leaves A appear at the take-out end of the container body 2, the take-out device 3
As a result, the front end accumulation surface of the
After being scraped by 0a, it is sent to the next step. Here, the movement of the scraping shaft 30 will be described. The driving force of the motor M in the drive unit 34 is appropriately transmitted to the lower scraping shaft 30II to rotate the same.
This rotation is transmitted to the upper scraping shaft 30I via the chain 36. On the other hand, a crank arm 37 is provided at both ends of the upper scraping shaft 30I, which is connected to the upper fixed shaft 38 as an example via a connecting rod 39, so that the upper scraping shaft 30I As a result, they move up and down. With this movement, the entire lifting frame 32 supporting the upper scraping shaft 30I is moved up and down. As a result, the lower scraping shaft 30II and the drive unit 34 mounted on the lifting frame 32 are both substantially vertical as a whole. It will move up and down in the direction.

Accordingly, as an example, two scraping shafts 3 are provided.
0I and 30II also move in the vertical direction with the rotation, dropping the raw tea leaves A onto the transfer conveyor 6 for transferring the raw tea leaves A to the next step by scraping the end face of the collected tea leaves A evenly. It goes.

[0024]

The take-out section closing device 4 according to the present invention allows the shutter sheet 41 of the shutter body 40 to be extended and wound up in a substantially vertical direction in a suspended state. The shutter device can be additionally provided with a simple configuration. Further, in the present invention, a winding drum 44 for winding the shutter body 40
Is provided with a balancer 47 provided with a spring, so that the winding drum 44 is constantly urged in the winding direction, so that the load on the shutter body 40 can be reduced and the operation can be performed with a light force. . Further, since the shutter main body 40 has the reinforcing bar 42, even when the fresh tea leaves A are stacked in the container main body 2, it can sufficiently withstand the lateral pressure. Further, by making the base end reinforcing bar 42A and the free end reinforcing bar 42B of the reinforcing bar 42 of the shutter body 40 smaller in diameter than the intermediate reinforcing bar 42C, the stopper 48 can be used to feed out or wind up. In this case, no further operation is performed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a fresh tea leaf managing machine to which a take-out part closing device of the present invention is applied.

FIG. 2 is an enlarged side view showing the vicinity of an outlet for fresh tea leaves.

FIG. 3 is a perspective view showing the structure of the take-out device.

FIG. 4 is a skeletal side view showing the same operating mechanism.

FIG. 5 is a side view showing a state where the scraping shaft is moved up and down.

FIG. 6 is a perspective view showing the structure of the take-out part closing device of the present invention.

FIG. 7 is an explanatory view skeletonly showing an operation principle of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fresh tea leaf management machine 2 Container main body 3 Take-out device 4 Take-out part closing device 5 Frame 6 Transfer conveyor 20 Move floor 21 Slat 21a Vent hole 22 Pulley 23 Vent box 25 Side plate 26 Wife plate 30 Scraping shaft 30a Scraping piece 30I Scraping shaft (Upper) 30II scraping shaft (lower) 31 guide rail 32 elevating frame 32A drive unit mount 33 bearing 34 drive unit 35I sprocket 35II sprocket 36 chain 37 crank arm 38 fixed shaft 39 connecting rod 40 shutter body 41 shutter sheet 42 reinforcing beam 42A Base end reinforcing bar 42B Free end reinforcing bar 42C Intermediate reinforcing bar 43 Guide rail 44 Winding drum 45 Drum shaft 46 Hoisting handle 47 Balancer 47A Wire 47B Spring 48 Stopper 49 Cover A Green tea leaves M Motor

Claims (4)

(57) [Claims] 1. A take-up drum wound around a take-out drum at a take-out end of a container body comprising a slat conveyor- like move floor and side plates rising from both sides thereof.
A take-out section closing device in a tea fresh leaf managing machine, wherein a shutter body is provided for closing a take-out end of a container body in a fed-out state. 2. A take-out section closing mechanism in a fresh tea leaf managing machine according to claim 1, wherein a balancer for urging the take-up drum in a winding direction is provided on a drum shaft of the take-up drum. apparatus. 3. The take-out section closing device in a tea fresh leaf managing machine according to claim 1, wherein the shutter main body is provided with reinforcing bars in a horizontal direction at regular intervals on a flexible shutter sheet. . 4. The reinforcing bar according to claim 1, wherein the reinforcing bar at the base end and the reinforcing bar at the free end have a larger diameter than the reinforcing bar at the middle.
4. A take-out part closing device in a tea fresh leaf managing machine according to claim 1, wherein a stopper for preventing passage of the base-end reinforcing bar and the free-end reinforcing bar is provided near the winding drum. .