JPH07114608B2 - Transferring nursery box between storage boxes - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a nursery box storage in which a part of a nursery box in which seedlings germinated in a storage shelf for germination is transferred to a storage shelf for greening. A method for transferring a nursery box between shelves.

[Prior art]

Conventionally, to transfer a part of the seedling raising box where the seedlings germinated while being stored in the germination storage shelf to the greening storage shelf,
The seedling raising box was taken out from the germination storing shelf, and this seedling raising box was transferred to a separately installed greening storing shelf for storage.

[Problems to be solved by the invention]

However, as described above, there is a problem that a lot of labor is required to manually transfer the seedling raising box from the germination storage shelf to the greening storage shelf, and a large space is required for the transfer. .

The present invention has been made in view of the above conventional problems, the seedling raising box can be automatically transferred from the germination storage shelf to the greening storage shelf, the labor can be reduced, and the transfer space is small. The main purpose of the present invention is to provide a method for transferring nursery boxes between the nursery box storage shelves, which can contribute to saving the labor and space.

[Means for Solving the Problems] The seedling raising box transfer method between the seedling raising box storage shelves according to the present invention is a germination storage rack disposed so as to be transferable in a lateral direction orthogonal to the working direction of the extrusion device. Also, the storage shelves for greening are positioned so as to overlap each other in the operation direction of the extrusion device, and the seedling raising box in which the seedlings germinated and stored in the storage shelves for germination are extruded from the storage shelves for germination. It is characterized by selectively pushing and transferring to a storage shelf for greening.

[Action]

According to the present invention, by doing this, the germination storage rack and the greening storage rack are positioned in a state of being overlapped with each other in the working direction of the extrusion device, thereby carrying out the transfer work of the seedling raising box, and the work is completed. Then, by laterally moving sequentially, it becomes possible to efficiently perform transfer by the extrusion device.

〔Example〕

An apparatus used for carrying out the method of the present invention will be described below with reference to the drawings.

The device of the first embodiment of the present invention is also used as a shelving device for transferring seedling-growing boxes that have been seeded in the course of being sequentially conveyed by a conveyor to each shelf of a storage cart for germination. The shelving device only moves up and down, and the storage cart has three rows of shelves in the front-rear direction, and when the nursery boxes are transferred to all the shelves of one row, they are moved back and forth by one row. Is.

FIG. 1 is a plan view of an apparatus used in an embodiment of the present invention, and FIG.
The figure is the same side view, FIG. 3 is the same enlarged front view, FIG. 4 is a side view of the main part, FIG. 5 is a side view of a storage cart, FIG. 6 is a side view of a storage cart lifting device, and FIG. FIG. 7A is a side sectional view of the extrusion device, FIG. 7B is its plan view, FIG. 8A is a plan view of the extrusion guide member, and FIG. 8B is its front view.
FIG. 9 is an exploded perspective view of a level meter for height detection.

The shelving device 10 that is also used in this embodiment is the shelving device 10
Is installed in front of the seedling raising box S, and while the seedling raising box S is transported by the conveyor 21, the soil raising machine is loaded into the seedling raising box S by a soil putting machine (not shown), and is then put into a watering machine (not shown). Irrigation, then sowing with a sowing machine, and further covering with a soil cover machine. At the end of the conveyor 21 in the seeding device (not shown), the start end was rotatably connected in the vertical direction. The belt conveyor 11 is provided, and the end portion of the belt conveyor 11 has two rows of roller conveyors 12r, 12r whose conveyance direction is parallel to the conveyance direction of the belt conveyor 11, and the widthwise center of the pair of roller conveyors 12r. It has been a succession of clubs. A driving motor 11a is arranged at the starting end of the belt conveyor 11. The motor 1
The rotation speed of 1a can be changed and adjusted.

Each roller conveyor 12r, 12r can be lifted and lowered.
Placed on top of 13. The elevating table 13 is maintained in a horizontal state by a pandagraph-shaped support member 13a and one guide ball 13b erected on the side, and is elevated and lowered by a hydraulic cylinder 13c interposed in the support member 13a. It

A guide rail (not shown) is formed on the guide ball 13b, and a hollow mounting portion (not shown) provided on the elevating table 13 is engaged with the guide rail portion. A guide roll (not shown) rotatably attached to each side part of the device is configured to hold the guide rail part and roll-contact the guide rail part.

The roller conveyor 12r has a drive roller that is rotationally driven by a drive motor (not shown) and a free roller that is rotatable, and a belt (not shown) is wound around each end of both. And the two are integrally rotated, and the belt prevents slipping of the nursery box. The motor that drives the roller can change and adjust the rotation speed of the roller, and can be synchronized with the rotation speed of the belt conveyor 11 described above.

A pair of freely rotatable guide wheels 12g, 12g ... Are attached to the outside of each of the start end and the end of the roller conveyor pair 12, and each guide wheel 12g is provided on the upper surface of each side of the lifting platform 13. The guide wheels 12g are engaged with a pair of guide rails 13d, 13d extending in the same direction as the conveyance direction of the roller conveyor 12r, the guide wheels 12g roll along the respective guide rails 13d, and the roller conveyor pair 12 moves up and down 13 The upper part can be moved in the carrying direction. Therefore, the roller conveyor pair 12 is
As it goes up and down as the 13 moves up and down, the roller conveyor pair
The end portion of the belt conveyor 11 connected to the start end portion of 12 rotates about the start end portion and pulls or pushes the roller conveyor pair 12 in the direction of approaching or separating from the belt conveyor 11 to pull the roller conveyor. The pair 12 is moved in the carrying direction with respect to the lift table 13.

At the beginning of the roller conveyor pair 12, a gate-shaped mounting member
12f is installed on each roller conveyor 12r, 12r,
The center of the mounting member 12f, that is, two rows of roller conveyors 12r, 1
A downward U-shaped distribution guide 12e is pivotally supported 12s above the center of the 2r in the width direction. The width dimension of this sorting guide 12e is made substantially equal to the width dimension of one roller conveyor 12r, and the central upper surface of the end portion on the belt conveyor 11 side is pivotally supported 12s on the mounting member 12f, and slightly more than the pivot point. On the upper surface of the roller conveyor pair 12 end side part, air cylinder
12g rod tip is pivotally supported. Air cylinder 12g
Is pivotally supported on the side of the roller conveyor pair 12, and the end opening of the sorting guide 12e is located on one roller conveyor 12r by the advancing and retreating of the rod, and the air cylinder 12g has one nursery box. Each time it is fed, the advancement and retreat are repeated, and the seedling raising boxes sequentially conveyed by the belt conveyor 11 are alternately transferred onto the terminal end of each roller conveyor 12r. The air cylinder 12y is provided with a sorting guide sensor 35 using a limit switch that detects that the rod has reached the advancing limit and the retracting limit.

A center guide 12t is erected between the roller conveyors 12r, 12r on the side of the end of the sorting guide 12g, and side guides 12u, 12u are erected on the outer sides of the roller conveyor pair 12, respectively. There is.

At the end of each roller conveyor 12r, a stopper 121 made of an elastic material such as a hard rubber is arranged integrally with the roller conveyor 12, and the conveyed seedling raising boxes are stopped at the end of each roller conveyor 12r. Let Further, a shelving pusher 18 for integrally pushing the seedling raising boxes S transported to the respective end portions to the other side is disposed on one side of the end portion.
The shelving pusher 18 is mounted on the lifting table 13 so as to be located on one side of the roller conveyor pair 12, and
An air cylinder 18a having a cylinder stroke slightly longer than the width dimension of 12, guide shafts 18b and 18b slidably arranged on both sides in parallel with the rod advancing / retreating direction of the air cylinder 18a, and the air cylinder 18a. The rod tip and the guide shafts 18b, which are attached to the roller conveyor side ends of the 18b, and which consist of a flat plate-shaped pushing member 18c having a width substantially the same as the width of the seedling raising box, operate the air cylinder to move the rod. When advanced, two seedling raising boxes S respectively located at the end of each roller conveyor are pushed into one shelf T of a storage cart 45 for germination, which will be described later, arranged opposite to the shelving pusher 18 as a pushing member 18c. It is pressed and stored. Push member 1
A cushioning material such as rubber is attached to the contact surface of the nursery box 8c. The air cylinder 18a is provided with a nursery box storage sensor 32 using a reed switch for detecting that the rod has advanced to a predetermined length and the nursery box is stored in the shelf T.

Below the roller conveyor pair 12, a drawable tray 13f having a size that covers the entire carrying area is placed on the lift table 13, and mud or the like falling from the nursery box S is received in the tray.
The tray 13f is housed in the housing 13f, and the tray 13f can be pulled out from the lower side of the roller conveyor pair so that the roller conveyor pair 12, the lifting table 13 and the like can be easily cleaned and maintained. .

A cover 12n that can be opened and closed is provided at the starting end of the roller conveyor pair 12.

FIG. 5 is a side view of the storage cart 45 for germination. The storage cart is framed in the shape of a rectangular parallelepiped, and is vertically moved so that the horizontal portions face inward at predetermined height positions of the frame members facing each other in the front and rear.
34 stages are provided, and the seedling raising box S can be inserted and removed on both sides in the width direction (front and back direction in the drawing), and three shelves having angled shelves T are formed in the front-rear direction, and each shelving T has 2 The individual nursery boxes S can be stored in the depth direction. Casters 45a are provided at the corners of the bottom of the storage cart 45, respectively.

On the side opposite to the shelf-insertion pusher 18 disposition position of the lifting table 13, in order to transfer the germination storage cart 45 along the roller conveyor pair 12, a pair of rollers parallel to the conveying direction of the roller conveyor pair 12 are provided. A chain conveyor 41 composed of chains 41a, 41a is arranged, and the chain conveyor 41 has a transport distance sufficiently longer than the transport distance of the roller conveyor pair 12. The chain conveyor 41 is driven by a motor 41b arranged at the end portion in the carrying direction. Chain conveyor 41
Around the transport area of (2), two guide bodies 42a, 42b, which are framed so as to encircle the storage carriage 45 mounted on the chain conveyor 41 and moving, are arranged in parallel in the transport direction. At the start end of the chain conveyor 41, a pair of guide rails 43 that guide the casters 45a under the germination storage cart 45 so that the bottom of the germination storage cart 45 is placed on the chain conveyor 41, the chain. The conveyor 41 is provided so as to be inclined such that the starting end portion thereof is on the upper side.

An air cylinder is used at the center of the end of the chain conveyor 41, and a cushioning material attached to the tip of the rod is attached to the bottom of the end of the germination storage cart 45 that is conveyed on the chain conveyor 41 by advancing the rod. Three stoppers that abut and stop the movement of the storage cart 45 for germination
43a, 43b, 43c are provided along the transport direction of the chain conveyor 41, respectively. Stopper 43c closest to the start end
Is a shelving pusher 18 in the shelving unit 10 on the front side of the storage cart 45 for germination conveyed by the chain conveyor 41.
It is arranged at the position where the front end side bottom end of the trolley 45 is located when facing the position, and the center stopper 43b is also the position where the center shelf row of the trolley 45 faces the shelving pusher 18. The bottom end of the trolley 45 on the front end side is located where
The a is arranged at a position where the front end on the front end side of the trolley 45 is located when the rear row of the trolley 45 faces the shelving pusher 18.

In the upper part of the guide body 42a on the terminal side in the transport direction above the chain conveyor 41, in order to detect the front end side upper part of the storage carriage 45 for germination transported by the chain conveyor 41, a pair of photoswitches are provided in the transport area. 3 facing each other across
One carriage sensor 33a, 33b, 33c is arranged slightly above the stopper 43a, 43b, 43c provided at the end portion of the chain conveyor 41 and at the starting end side in the transport direction. Further, a carriage sensor 33d using a similar photo sensor is arranged above the starting end side of the guide body 42b on the other side.

A column-shaped level gauge 44 shown in FIG. 9 is erected on the storage cart side of the shelf insertion pusher 18 in the shelf insertion device 10.
The level meter 44 comprises a level meter body 44A and a mask plate 44B as shown in FIG. The level meter main body 44A of the level meter 44 is composed of a vertically elongated plate having a height substantially equal to that of the germination storage cart 45 placed on the chain conveyor 41.
34 slits 44a, 44 corresponding to the height position of each shelf
a ... are formed with a uniform pitch. The mask plate 44B is composed of a vertically long plate having substantially the same length as the level meter main body 44A, and large and small slits 44c and 44b are provided every other slit.
44b and 44c are slits 44a and 44a of the level meter body 44A.
It is opened at the location corresponding to. The mask plate 44B is slidably arranged with respect to the level meter body 44A, and the small slit 44b of the mask plate 44B is the slit 44a of the level meter body 44A.
The upper and lower widths of the large slit 44c are about twice as large as the slit 44a of the level meter main body 44A.
When the seedling raising box is transferred from the roller conveyor pair 12 to the germination storage trolley 45, the slits 44b and 44c of the mask plate 44B are all opened facing the slits 44a and 44a of the level meter main body 44A. When transferring the nursery box from the germination storage cart 45 to the greening storage cart 55, the level meter main unit 44A
The mask plate 44B to the slit 44a of the slit 44a or 4
By sliding only the size of 4b, every other one is used by sealing the slits 44a of the level meter main body 44A at the portions where the slits of 4B are not opened. That is, the large slit 44c and half of the slits 44a, 44a of the level meter main body 44A are opened so as to face each other, and the remaining slits 44a or small slits 44b are not opened in the mask plate 44B or the level meter main body 44A. It is used after being sealed in parts. And the lift
A level sensor 34 composed of a photocoupler is disposed on the upper surface of 13 so as to face the level meter 44.

In this example, the seedling raising boxes S are transferred from the storage cart 45 to every other shelf, but the pattern of the mask plate 44B may be adapted to the transfer to every other two steps.

The storage cart 55 for greening has the same shape as the storage cart 45 for germination, and three rack rows having racks T each having an angle are formed in the front-rear direction, and each rack T has two rows. Individual nursery boxes can be stored in the depth direction. Casters 55A are provided at the respective corners of the bottom of the storage cart 55 for greening.

Shelving pusher 18 of lifting platform 13 of storage cart 45 for germination
On the side opposite to the arrangement position, the germination storage cart 45 is used to transfer the greening storage cart 55 along the germination storage cart 45.
Is provided with a chain conveyor 51 composed of a pair of chains 51a, 51a which are parallel to the carrying direction, and the chain conveyor 51 has the same carrying distance as the carrying distance for germination. The chain conveyor 51 is driven by a motor 51b arranged at the terminal end in the carrying direction. Around the transport area of the chain conveyor 51, two guide bodies 52a, 52b framed so as to surround the storage cart 55 for greening mounted on the chain conveyor 51 and arranged side by side in the transport direction. . At the start end of the chain conveyor 51, a pair of guide rails 53 that guide the casters 55a under the green storage cart 55 so that the bottom of the green storage cart 55 is placed on the chain conveyor 51, The conveyor 54 is provided so as to be inclined such that the starting end of the conveyor 54 is on the upper side.

An air cylinder is used at the center of the end of the chain conveyor 51, and a cushioning material attached to the end of the lot is attached to the bottom of the end of the storage cart 55 for greening that is conveyed on the chain conveyor 51 by advancing its rod. Three stoppers that abut and stop the movement of the storage cart 55 for greening
53a, 53c, 53c are provided along the carrying direction of the chain conveyor 51, respectively. Stopper 53c closest to the start end
The front end of the carriage 55 is located when the front row of the green storage carts 55 conveyed by the chain conveyor 51 is positioned to face the shelf pusher 18 of the shelf device 10. The central stopper 53b is also arranged at the position where the bottom end of the front end of the bogie 55 is located when the central row of shelves of the bogie 55 faces the shelving pusher 18. Stopper 53c
Is arranged at the position where the front-end-side bottom tip of the trolley 55 is located when the front end of the trolley 55 faces the shelving pusher 18.

In the upper part of the guide body 52a above the chain conveyor 51 on the terminal side in the carrying direction, a pair of photo switches are provided in the carrying area in order to detect the upper part on the front end side of the storage cart 55 for greening carried by the chain conveyor 51. Sandwiched between and facing each other 3
One trolley sensor 37a, 37b, 37c is arranged slightly above the stopper 53a, 53b, 53c provided at the terminal end of the chain conveyor 51, in the transport direction. Further, a carriage sensor 37d using a similar photo sensor is arranged above the starting end side of the guide body 52b on the other side.

As shown in FIG. 3, the storage cart 55 for greening is arranged so that the shelf T thereof is higher than the storage cart 45 for germination by one shelf. As a result, the tray T where the seedling raising box S is moved from the germination storage cart 45 to the greening storage cart 55 and the height of the seedling raising box T left unextracted in the germination storage cart 45. Are equal. this is,
This is because the position of the nozzle for automatically discharging water to the seedling raising box S at the time of greening is fixed, so that the tray T in which the seedling raising box S of each storage cart 45, 55 is stored needs to be the same. The lifting device 60 shown in FIG. 6 is used for this.
The lifting device is installed parallel to the extending direction of the chain conveyor 51. As shown in FIG. 6, the L-shaped rods 62a and 62b are pivotally supported on the shaft portions of the two ground wheels 61a and 61b. And the L
One end of each of the rods 6a, 62b pivotally supports a lifting roller 63a, 63b that is in contact with the lower surface of the green storage cart 55, while the other end thereof connects the two L-shaped rods 62a, 62b. 64 is attached, and a cylinder 65 is provided at one end of the connecting rod 64. When the cylinder 65 is operated, the L
The rods 62a and 62b rotate clockwise in the figure, and
It is constructed so that it is lifted upward with a and 61b as fulcrums and the storage cart 55 for greening is lifted to the position shown in FIG.

The pushing member 68c is attached to the tip of the rod of the cylinder 18a in place of the pushing member 18c when the seedling raising box is transferred from the germination storage cart 45 to the greening storage cart 55, and is shown in FIG. ) As shown in (b), the length is a storage cart.
It is composed of a flat plate portion having a width dimension of 45 or more, and a pair of upright standing portions on both sides in the width direction of the flat plate portion, and one of the corresponding portions is attached to the tip of the rod of the cylinder 18a of the shelving pusher 18. It is a thing.

In addition, in the moving area of the pushing member 68c attached to the rod tip of the cylinder 18a of the shelving pusher 18 on the end side of the roller conveyor pair 12, the guide plate 19 shown in FIGS. Is provided, and the guide plate 19 is a flat plate portion.
19a and guide wall portions 19b, 1b on both sides in the width direction of the flat plate portion 19a.
9c is provided upright, push plate portions 19d and 19e are provided inwardly on the upper portions of the guide wall portions 19b and 19c, and the inlet side of the guide wall portions 19b and 19c is curved outward. Enlarged guide opening walls 19f and 19g are provided. This guide plate 19
Is for guiding the pushing member 68c attached to the tip of the rod of the cylinder 18a of the shelving pusher 18 so as not to shift to the left and right.

Further, as shown in FIGS. 1 and 3, between the germination storage cart 45 and the greening storage cart 55, guide chutes 80 ... Are arranged at a position facing the shelving pusher 18, and the guide chutes.
The shelf T of the storage cart 45 for germination is located slightly higher than 80, and the shelf T of the storage cart 55 for greening is located slightly lower than 80.

Next, first, the shelf putting operation of the seeded nursery box S will be described. The seedling raising box that has been seeded in the seeding device, the belt conveyor 11 in the shelving device 10 at the feed conveyor 21.
Sequentially transported to the top. At this time, on the chain conveyor 41 on the side of the shelving device 10, the germination storage cart 45 is placed in advance, and when this state is detected by the cart sensor 33d, the chain conveyor 41 is driven. The motor 41b is operated, the storage cart 45 for germination is guided and moved by the guide body 42b, and when the carriage sensor 33c detects the front end portion in the transport direction, the air cylinder 43f is operated to operate the stopper 43c. At the same time, the driving of the chain conveyor 41 is stopped. As a result, the shelf row on the front end side of the germination storage cart 45 in the transport direction is located at a position facing the shelving pusher 18 in the shelving apparatus 10.

On the other hand, the lifting table 13 in the shelving device 10 is at the lowermost position, that is, the upper surface of the roller conveyor pair 12 placed on the upper side thereof is the lowermost side of the germination storage cart 45 placed on the chain conveyor 41. Of the air cylinder 12y so that its rear opening is located on the roller conveyor 12r on the side closer to the chain conveyor 41. Has advanced. In such a state, the seedling raising box S that has been sown by the belt conveyor 11 is conveyed onto the roller conveyor pair 12, and is conveyed onto the roller conveyor 12r near the chain conveyor 41 by the distribution guide 12e.

The seedling raising box S conveyed on the roller conveyor 12r is conveyed to the terminal end portion thereof, comes into contact with the stopper 121, and stops on the terminal end portion. At this time, the nursery box sensor 32a detects that it is being conveyed on the roller conveyor 12r, the air cylinder 12y is operated to retract the rod, and the rear end of the sorting guide 12e is on the other roller conveyor 12r. When it is rotated so as to be positioned and the sorting guide sensor 35 detects such a state, the operation of the air cylinder 12y is stopped. Then, the seedling raising box S to be conveyed next is positioned on the other roller conveyor 12r by the sorting guide 12e, is conveyed to the terminal end portion by the roller conveyor 12r, and abuts on the stopper 121 so that the seedling raising box sensor. When 32b detects, the nursery box sensor 32b detects that the nursery box S is being transported on the air cylinder 12y.
The 2y rod is advanced by a specified amount and the shelving pusher 18
The air cylinder 18a is operated to move the rod forward, the seedling raising boxes S located at the end of each roller conveyor 12r are integrated, and the uppermost row of shelves on the end side in the transport direction of the storage cart 45 for germination is integrated. It is pushed into the lower shelf T and stored. When the nursery box storage sensor 32 detects that the air cylinder 18a has advanced a predetermined amount and the two nursery boxes S have been stored in the lowermost shelf T, the air cylinder 18a is operated to retract the rod. The hydraulic cylinder 13c for raising and lowering the elevator 13 is operated to raise the elevator 13.

The height position of the lift 13 is detected by detecting the slit 44a of the level meter 44 with the level sensor 34, and the level sensor 34 is lifted by one shelf in the storage cart 45 for germination. Hydraulic cylinder 13c
Therefore, the upper surface of the roller conveyor is opposed to the second shelf T from the lowermost side of the germination storage cart 45 placed on the chain conveyor 41. In such a state, the seedling raising boxes S transported as described above are sequentially transported to the end portions of the roller conveyors 12r and juxtaposed at the end portions, and the shelving pushers 18 are used to integrally germinate them. It is stored in the shelf T of the storage cart 45 and the elevating table 13 is moved up and down by one shelf.

By repeating such an operation, when the seedling raising boxes are stored in all the shelves of the shelf row on the front end side in the transport direction in the storage cart 45 for germination, the stopper 43 arranged in the transport area of the chain conveyor 41.
c The air cylinder 43f for driving is operated and the stopper 43
The stopped state of the storage cart 45 for germination by c is released, and the motor 41b is driven to operate the chain conveyor 41. As a result, the germination storage cart 45 is transferred to the terminal end in the carrying direction, and the carriage sensor 33b is located at the front end in the carrying direction.
When it is detected by, the air cylinder 43e of the stopper 43b arranged in the transport area of the chain conveyor 41 is operated and the operation of the chain conveyor 41 is stopped, and the central shelf row in the storage carriage 45 for germination is put in a shelf. Opposed to pusher 18. During this time, the driving of each roller conveyor 12r is stopped.

Then, in such a state, the driving of each roller conveyor 12r is restarted, and the seedling raising box S is conveyed to the end portion of each roller conveyor 12r. In this case, since the lifting platform 13 is located at the uppermost position, the seedling raising boxes S are stored in the center row of the germination storage carts 45 in order from the uppermost shelf T to the lower side. The operation of storing the seedling raising box S in the tray T is the same as that described above, and each time the seedling raising box S is stored in each shelf T, the elevator 13 is lowered by one shelf.

When the storage of the seedling raising box S in the shelf T in the shelf row in the center shelf row of the germination storage carriage 45 is completed, the germination storage carriage 45 is conveyed by the chain conveyor 41 in the same manner as described above.
The shelf row at the rear end in the transporting cart 45 for germination is positioned to face the shelving pusher 18, and the two seedling raising boxes are integrated into one shelf T from the lower shelf T after the step. It is stored.

Then, with the seedling raising box S stored in each shelf T in this manner, the seedling raising box S is moved to that position or another place to promote germination of the seedlings.

Next, the operation when the seedling raising box S is transferred to the storage cart 55 for greening will be described. First, the extruding member 68c shown in FIGS. 7A and 7B is attached to the tip of the air cylinder 18a of the shelving pusher 18 in place of the shelving member 18c. And
As shown in FIGS. 1 and 3, the seedling raising box S is stored in each shelf T, and at the time when the seedlings germinate, the storage cart 45 for germination and the storage cart 55 for greening in an empty state are connected to each chain conveyor. Place on 41 and 51.

First, the storage cart 45 for germination and the storage cart 51 for greening are placed on the chain conveyors 41 and 51, and when this state is detected by the cart sensors 33d and 37d, the motor 41b for driving the chain conveyor and 51b is operated, the two-row storage carriages 45 and 55 are guided and moved by the guide bodies 42b and 52b, and when the end portions on the conveying direction end side are detected by the carriage sensors 33c and 37c, the stoppers 43c and 53c. The air cylinders 43f and 53f are operated to operate, and the driving of the chain conveyors 41 and 51 is stopped. As a result, the shelf rows of the two-row storage carriages 45 and 55 on the front end side in the transport direction are the shelving units
The position is opposite to the shelving pusher 18 in. At this time, the storage cart 55 for greening is lifted and installed by driving the cylinder 65 of the lifting device 60 shown in FIG.

On the other hand, the elevator 13 of the shelving unit 10 has a level sensor 34
The lower position, that is, the upper surface of the roller conveyor pair 12 placed on the upper side by the action of above, is one level higher than the lowest shelf T of the germination storage cart 45 placed on the chain conveyor 41. The chain conveyor 51 is located at a position facing the shelf T.
The position is opposite to the lowermost shelf T of the green storage cart 55 placed above.

That is, the mask plate 70 covered by the level meter 44 is sealed at every other stage, that is, 17 slits 44b or 44a are sealed. When the second slit 44a facing the slit 44c is detected, the hydraulic cylinder is detected. Stop 13c. And in this state, the air cylinder 18a in the shelving pusher 18
Operated to move the rod together with the pushing member 68c, the two seedling raising boxes of the germination storage carriage 45 are integrated, and the germination storage carriage passes through the guide piece 85 and the greening storage carriage 55. It is pushed out to the shelf T and stored at the bottom of the shelf row. When the air cylinder 18a advances by a predetermined amount and the two seedling raising boxes S are stored in the lowermost shelf T of the storage cart 55 for greening, the seedling raising box storage sensor 32 detects that the air cylinders 18a are rods. Are operated to move in and out, and then the lifting table 13 is moved up.

The height position of the lift 13 is detected by the level sensor 34, and it is confirmed that the level sensor 34 has been raised by two shelves in the germination storage cart 45 via the sealing portion of the level meter 44. When detected by the slits 44c and 44a, the operation of the hydraulic cylinder 13c is stopped, so that the upper surface of the roller conveyor is located at the fourth shelf T from the lowermost side of the germination storage carriage 45 placed on the chain conveyor. To be opposed. In such a state, the pushing member 68c at the rod end of the cylinder 18a of the shelving pusher 18 causes the next seedling raising box S to move from the tray T of the storage cart 45 for germination to the tray T of the storage cart 55 for greening.
Then, the elevator table 13 is lifted up by two shelves and stored in the shelves T.

By repeating the above operation, when all the seedling raising boxes S are stored in the shelf T of every two stages of the storage trolley 55 for germination from the storage trolley 45 for germination, the lifting device 60 is used for greening. Lower the storage cart 55 of the chain conveyor 41 and
The air cylinders 43f and 53f for driving 51 and the stoppers 43c and 53c arranged in the transport area are operated, and the stoppers 43c and 53
While releasing the stopped state of the storage cart 45 for germination and the storage cart 55 for greening by 3c, the chain conveyors 41 and 51
To drive the motors 41b and 51b. As a result, the storage cart 45 for germination and the storage cart 55 for greening are transferred to the end side in the transport direction, and when the front end in the transport direction is detected by the carriage sensors 33b and 37b, the chain conveyors 41 and 51 transfer areas. The air cylinders 43e and 53e of the stoppers 43b and 53b arranged are operated and the chain conveyor 41
The operations of and 51 are stopped, and the central shelves of the storage cart 45 for germination and the storage cart 55 for greening are put in the shelving pusher 18.
Is opposed to. In this state, the storage cart 55 for greening is again lifted to the position shown in FIG. 3 by the lifting device 60. At this time, the lift 13 is at the uppermost position,
Storage trolley for germination 45 Storage trolley for greening from the central shelf row of 45
The storage of the nursery boxes S in the central rack row of 55 is carried out sequentially from the uppermost shelf T to the lower side in every two steps, and the nursery boxes S to each shelf T are stored.
The storing operation is the same as that described above, and every time the seedling raising box S is stored in each shelf T of the greening storage cart 55, the elevating table 13 is lowered by two steps.

When the storage of the seedling raising box S on the shelf T in the shelf row in the central shelf row of the storage cart 55 for greening is completed, the storage cart 55 for greening is lowered by the lifting device 60 and the same as above. The sprouting storage cart 45 and the greening storage cart 55 are transported by the chain conveyors 41 and 51, and the shelf rows on the rear side in the transport direction of the germination storage cart 45 and the greening storage cart 55 are the shelving pushers 18. After raising the storage cart 55 for greening by the lifting device 60 again, two seedling raising boxes S are integrally formed every two steps from the shelf T below the rear. It is stored in the shelf T.

Then, after this storage is completed, a storage cart for germination 45
Seedling box S left in every two steps and storage cart 55 for greening
In the seedling raising box S, which is stored in every two stages, seedlings are greened and raised at an appropriate place.

Next, a second embodiment of the method of the present invention will be described. In the second embodiment, both the storage carts 45 and 55 are kept stationary during the transfer of the seedling raising box S, and the pushing device 93 corresponding to the shelving device 10 is moved up and down as well as in the rack row direction. I shall.

FIG. 10 is a plan view of an apparatus used in the second embodiment of the present invention, FIG. 11 is a side view of the same, and FIG. 12 is an enlarged front view of the same.

This device is, as shown in the figure, a chain conveyor 91 and 92 for transferring the germination storage cart 45 and the greening storage cart 55 to a predetermined position and fixing them at a predetermined position, and in a direction along the chain conveyor. And an extruding device 93 that is moved up and down.

The push-out device 93 is placed on a lift table 94 that can be lifted and lowered. The elevating table 94 is maintained in a horizontal state by a support member 94a having a pandagraph shape and one guide pole 94b provided upright at a side portion, and is vertically moved by a hydraulic cylinder 94c interposed in the support member 94a. It Further, the guide pole 94b is erected on the carriage 94t.

A guide rail (not shown) is formed on the guide pole 94b, and a hollow mounting portion (not shown) provided on the elevating table 94 is engaged with the guide rail portion. A guide roll (not shown) rotatably attached to each side part of the device is configured to hold the guide rail part and roll-contact the guide rail part.

A trolley 94t in which a guide pole 94b is erected is provided with a motor (not shown) and a pinion 95a rotated by the motor,
The rack 95b provided on the track rail 96 on which the guide pole 94a is mounted and the pinion 95a are meshed with each other,
By the rotational driving of the drive motor, the guide pole 94a is moved integrally with the pushing device 96 via the pinion 95a and the rack 95b.

The pushing device 93 is mounted on the elevating table 94 and has an air cylinder 93a having a cylinder stroke longer than the width of the seedling raising box in the germination storage cart, and both sides of the air cylinder 93a are parallel to the rod advancing / retreating direction. Guide shafts 93b and 93b slidably arranged in one direction and an air cylinder
The rod tip in 93a and the guide shafts 93b, 93b are attached to the end portion of the storage carriage side of the 93b, and the length of the pushing member 93c is slightly longer than the width of the storage carriage 45 in the inserting / removing direction,
When the air cylinder is operated and the rod is advanced, the extruding member 93c transfers the seedling raising box S from the shelf T of the germination storage cart 45 to the shelf T of the greening storage cart 55. The rod advances to a predetermined length in the air cylinder 93a, and the nursery box S is moved from the germination storage carriage 45 to the greening storage carriage 55.
A seedling-raising-box storage sensor 97a using a reed switch is provided to detect that the seedlings have been stored in the tray T.

Further, limit switches 97b, 97c, 97d for detecting the shelf width movement direction are installed on the movement locus of the guide pole 94a. This limit switch is composed of a pair of switches for detecting two directions, a forward direction and a reverse direction of movement.

On the opposite side of the elevating table 94 from the position where the pushing device 93 is arranged, a storage cart 45 for germination and a storage cart 55 for greening are installed on the guide pole 94.
In order to transfer along the moving direction of a, a pair of chains 94a, 91a and a pair of chains parallel to the moving direction of the guide pole 94a and
Chain conveyors 91 and 92 including 92a and 92a are arranged. The chain conveyors 91 and 92 are driven by a motor (not shown) arranged at the end portion in the conveying direction.
At the beginning of the chain conveyors 91 and 92, each storage cart 4
Guides 98a and 98b for guiding the casters 45a and 55a of the storage carts 45 and 55 are provided so that the bottom portions of the 55 and 55 are placed on the chain conveyors 91 and 92, respectively.

Further, sensors 97e and 97f for fixed position detection are arranged on the side of the terminal ends of the chain conveyors 91 and 92.

Further, an optical sensor 97t having a light emitting element and a light receiving element is installed on the side of the hoisting base 94 on the side of the storage cart 45, and the optical sensor detects an angle forming a shelf of the storage cart 45. Then, the stop control of the lifting platform 94 is performed based on the detection result. As an optical sensor, a light emitting element and a light receiving element are arranged side by side in a sensor body provided at a position shown in the figure, and the light emitting element and the light receiving element are connected to a separately installed control circuit to emit light from the light emitting element. , A type in which light reflected by an angle is received by a light receiving element to operate, or a light emitting element and a light receiving element are provided in the vicinity of a control circuit, and an optical fiber is extended from the light emitting element and the light receiving element, and the tip of the optical fiber is provided. The lift
The sensor is attached to the sensor body 94, emits light from the tip of the optical fiber, captures the reflected light at the tip of the other optical fiber, and transmits it to the light receiving element. When the optical sensor 97t detects an angle, the counter of the control circuit counts it, and when the count value of the counter reaches a preset value, a hydraulic cylinder 94c for driving the elevator 94
The drive control circuit is configured so as to be stopped.

In addition, guide chutes 99, which are provided for each fixed shelf, are installed in three rows between the opposing positions of the germination storage cart 45 and the greening storage cart 55. This guide chute 99 is a storage cart for germination so that the nursery box S can be easily transferred.
It is located slightly lower than the shelf T of 45 and slightly higher than the shelf T of the storage cart 55 for greening.

Further, the storage cart 55 for greening is lifted to a predetermined height position at a fixed position of the chain conveyor 92 by a lifting device 60 shown in FIG. 6 installed in the conveying direction of the chain conveyor 92.

Next, the operation will be described.

When the storage cart 45 loaded with the germinated seedling raising boxes S and the storage cart 55 for greening in an empty state are placed on the chain conveyors 91 and 92 from the guides 98a and 98b, the motor for driving the chain conveyor rotates. The two rows of storage carts 45 and 55
Is moved, and when it reaches the fixed position, the sensor for fixed position detection 97
This is detected at e and 97f, the drive motor is stopped, and the storage carts 45 and 55 are fixed at fixed positions. In this state, the storage device 55 for greening is lifted by the lifting device 60 to a position higher by one shelf.

The guide pole 94a having the pushing device 93 on the lift table 94 is moved by the motor drive of the pinion 95a, and the storage cart 45
The position is detected and fixed by the limit switch 97b for detecting the width direction of the shelf width at a position corresponding to the side of the shelf T in the front row. At this time, the push-out device 93 on the elevating table 94 is in the second stage from the bottom of the storage cart 45.

In this state, the air cylinder 93a in the extrusion device 93 is
The seedling box S of the germination storage trolley 45 is operated to move the rod together with the pushing member 93c, and the germination storage trolley 45 moves from the germination storage trolley 45 through the guide chute 99 to the green line of the storage trolley 55. It is pushed out and stored in the lower shelf T. When the nursery box storage sensor 97a detects that the air cylinder 93a has advanced by a predetermined amount and the nursery box S has been stored in the lowermost shelf T of the storage cart 55 for greening, the air cylinder 93a retracts the rod. It is operated to enter, and when this exit is completed,
The lift 94 is raised.

With this rise, the optical sensor 97t detects the angle of the shelf T and counts up the counter. Whenever the count value becomes an even number, a hydraulic cylinder 94c for driving the elevator 94
Is stopped, and the extrusion device 93 faces the tray T at every other stage.

In this way, the extrusion device 93 then moves from the bottom side of the germination storage cart 45 placed on the chain conveyor 91 to
It is made to face the shelf T of the tier. When this happens,
By the pushing member 93c at the rod end of the cylinder 93a of the pushing device 93, the next seedling raising box S is pushed from the shelf of the storage cart 45 for germination to the tray T of the storage cart 55 for greening and stored in the tray T. ,
The cylinder 93a retreats to raise the lifting table 94 by two shelves.

When the above operation is repeated and all of the seedling raising boxes S are stored in every two shelves T of the shelving rows of the greening storage cart 55 from the germination storage cart 45, the elevator 94 is supported. When the guide pole 94a is moved forward by the motor drive of the pinion 95a, and it is detected by the limit switch 97c for detecting the width of the rack width movement that it has reached the second rack row position of the storage cart 45, that position Fixed by.

In this state, the extruding device 93 transfers the seedling raising box S from the uppermost shelf of the germination storage cart 45 to the shelf T of the greening storage cart 55 in sequence every two steps. Then, when the transfer of the seedling raising box on the shelf line at this central position is completed, the guide pole 94
When a is moved in the forward direction and the limit switch 97d for detecting the direction of movement of the shelf width on the terminating side detects that it has reached the third row (final row) of the shelving row position of the storage cart 45, that position is detected. Fixed.

This time, since the push-out device 93 is at the lower position, the nursery boxes S are placed on the shelf T of the storage cart 55 for greening sequentially from the second shelf T from the bottom of the germination storage cart 45. The two shelves are stored by the extrusion device 93.

As described above, the storage carts 45 and 55 storing the seedling raising box S for each predetermined rack are moved to the appropriate place as they are, and the seedlings in the seedling raising box S are greened and raised.

A guide pole that supports the extrusion device 93 on the lifting table 94.
As means for moving 94a, in addition to the pinion and rack,
A chain conveyor or moving screw can be applied.

Also, prepare two green storage carts 55, and first transfer the nursery boxes S to the first storage cart 55 for every two shelves, and after this transfer, complete the first greening. Storage trolley 55
To another position, the second storage cart 55 for greening is arranged at the position opposite to the germination storage cart 45, and the second seedling box S is transferred to the second storage cart 55 for greening. The seedling raising boxes S are stored in two storage carts 55 for greening and one storage cart 45 for germination every two steps of shelves to grow green. In this case, the motor stop control of the lift table 94 is performed when the count value of the counter becomes a multiple of 3 or a coefficient of 3 + 1 (or 2). Further, the lifting device 60 is configured so that it can be lifted in two stages, and the racks T of the seedling raising boxes S transferred to the two storage trucks 55 for greening are all equal from the seedling raising boxes S remaining in the storage carriage 45. To be

Further, as another method of transferring the seedling raising boxes from the germination storing carriage 45 to the greening storing carriage 55, it is also possible to transfer the seedling raising boxes in three shelves at a time, In this case, by arranging the pushing pushers of the pushing device in parallel in three rows, the pushing pushers can be operated at one time to transfer the seedling raising box. It is also possible to make the pusher pushers into three pusher pushers, and to move the three pusher pushers at once with one cylinder to transfer the seedling raising boxes in the three rows of shelves at once. is there.

Further, as another method, it is also possible to transfer the seedling raising boxes in one row of the germination storage cart to the greening storage cart at a time for each predetermined level, and in this case, A plurality of extrusion pushers of the extrusion device are vertically arranged side by side at predetermined intervals,
The seedling raising box can be transferred by operating the plurality of push-out pushers at one time.

In the above two embodiments, the lifting device 60
Although the storage cart 55 for greening is configured to be lifted by one shelf only, it may be configured to lift the sprockets of the chain conveyors 51 and 92, and the chain conveyors 51 and 92 are previously stacked by one shelf. May be installed only in the upper position.

In addition, in the above two examples, a storage cart for germination
Guide chute 80 between 45 and shelf T of storage cart 55 for greening
Although the guide chute 80 is not always necessary, the seedling raising box S can be directly transferred from the shelf T of the storage cart 45 for germination to the shelf T of the storage cart 55 for greening. .

〔The invention's effect〕

In the present invention, the storage shelf for germination and the storage shelf for greening can be moved in the lateral direction orthogonal to the working direction of the extrusion device, and the storage shelf for germination and greening in the working direction of the extrusion device. It is possible to transfer the nursery boxes by simply arranging them with the storage shelves for stacking, and when the transfer is completed, move them laterally one by one, so that a large number of germination storage shelves can be used for greening storage. The seedling raising box where the seedlings germinated can be efficiently transferred to the shelf, and it is also effective in saving labor and space.

[Brief description of drawings]

FIG. 1 is a plan view of an apparatus used in the first embodiment of the present invention, FIG. 2 is a side view of the same, FIG. 3 is an enlarged front view of the same, and FIG. 4 is a side view of essential parts thereof. The figure shows a side view of the storage cart, No. 6.
The figure is a side view of the storage cart lifting device, FIG. 7 (a) is a side sectional view of the extrusion device, FIG. 7 (b) is its plan view, and FIG. 8 (a) is a plan view of the extrusion guide member. 8 (b) is a plan view thereof, FIG. 9 is an exploded perspective view of a level meter for height detection,
FIG. 10 is a plan view of an apparatus used in the second embodiment of the present invention,
FIG. 11 is a side view of the same, and FIG. 12 is an enlarged front view of the same. 45 …… Storing cart for germination, 55 …… Storage cart for greening, 68
c ... Extrusion member, 93 ... Extrusion device

Claims (1)

[Claims] 1. A germination storage rack and a greening storage rack, which are arranged so as to be transferable in a lateral direction orthogonal to the working direction of the extruder, are positioned so as to overlap each other in the working direction of the extruder. Nursery box storage characterized by selectively extruding and transferring the seedling raising box in which the seedlings germinated and stored in the storage box for germination are extruded from the storage shelf for germination to the storage shelf for greening by an extruder. Transferring seedling raising boxes between shelves.