JPH05132132A - Seeding facility - Google Patents

Abstract

(57) [Summary] (Corrected) [Purpose] To improve the work efficiency of the sowing facility by enabling seeding and stacking while simultaneously feeding multiple seedling boxes. [Composition] A seeding machine 40 for seeding the seedling boxes 5 and a plurality of stacking devices 70 for stacking the seeded seedling boxes 5 on a germination cart are provided, and the seedling boxes 5 are transferred from the seeding machine 40 to the stacking device 70. Transfer the carrier device 50 to the seedling box 5 from the seeder 40 to a predetermined position.
And a plurality of secondary conveyors 52 for individually transporting the seedling boxes 5 from the end portion of the primary conveyor 51 to the plurality of stacking devices 70, and the seedlings passing through the primary conveyor 51. The type of the box 5 is identified by the sensor 55,
Based on the result of identification by the sensor 55, the sorting device 56 sorts the seedling box 5 to an appropriate secondary conveyor 52.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seeding facility for obtaining seedlings used in rice transplanters and the like.

[0002]

2. Description of the Related Art Seedlings that are continuously supplied are sown by a seeding machine, and the seedlings after sowing are stacked on a budding trolley by a stacking device, which is stored for a certain period of time to germinate and then germinate. There is a nursery facility where the later seedling boxes can be transposed into a shelf-like greening trolley to green the leaves until they have an appropriate size.

[0003]

[Problems to be Solved by the Invention] It is common for many farmers to operate this kind of facility jointly, and the size and shape of the seedling box used depends on the model of the rice transplanter owned by each farm. May be different. In such a case, it is necessary to perform seeding and stacking for each different seedling box, which causes a problem of poor work efficiency.

[0004]

In order to solve the above problems, the present invention has the following constitution. That is, the seeding facility according to the present invention comprises a seeding machine for seeding a seedling box, and a plurality of stacking devices for stacking the seeded seedling box on a germination trolley, and the seedling machine to the stacking device. A transport device for transporting the boxes is composed of a primary conveyor that transports the seedling boxes from the seeder to a predetermined position, and a plurality of secondary conveyors that individually transport the seedling boxes from the end of the primary conveyor to the plurality of stacking devices. A sensor for identifying the type of seedling box passing through the primary conveyor and a sorting device for sorting the seedling box conveyed to the end of the primary conveyor to an appropriate secondary conveyor based on the detection result of the sensor. It is characterized by having and.

[0005]

[Function] Since a plurality of stacking devices are provided in parallel and the seedling boxes after sowing are sorted and transferred to an appropriate stacking device according to the type, a plurality of seedling boxes can be used at the same time. Work efficiency is improved.

[0006]

1 and 2 are plan views of a seeding facility which is an embodiment of the present invention. FIG. 1 shows a first floor portion thereof, and FIG. 2 shows a middle floor portion thereof. A work room 1, a germination room 2, and a transshipment room 3 are provided on the first floor, and the mezzanine floor 4 is a storage area for seedling boxes.

On the mezzanine floor 4, there is installed a seedling box carrying conveyor 10 for carrying a predetermined number of stacked empty seedling boxes 5, ... To an elevator lifter 21 to be described later. This seedling box conveyor 10
3, the linear conveyors 11 and 12, the curved conveyor 13 and the linear conveyor 14 are connected in this order, and the curved conveyor 13 is bent at 90 degrees. The linear conveyors 11, 12 and 14 may be belt conveyors or roller conveyors, but the curved conveyor 13 is a roller conveyor using tapered rollers.
When the conveying speeds of the conveyors are equalized, in order to avoid the inward sides of the seedling box groups from interfering with each other in the curved path portion, the inward side of FIG.
As shown in FIG. 3, it is necessary to supply the seedling box groups 5, ... Note that s = 2
It is about 0 to 30 cm. If the distance between the seedling box groups is less than this, the piles of the seedling boxes may fall on the curved conveyor 13 or may drop from the conveyor. For this reason, we had to use our nerves to supply seedling boxes. Therefore, in the present embodiment, if the transport speed of the conveyors 11 and 12 is v ₁ , the transport speed of the conveyor 13 is v ₂ , the transport speed of the conveyor 14 is v ₃ , and the seedling box length is a, then v ₂ >.
It is set such that v ₁ ≦ v ₃ and v ₂ ≧ (a + s) / a · v ₁ . By doing so, the seedling boxes can be arranged on the linear conveyors 11 and 12 without a gap, so that the seedling box feeding operation is easy. Further, there is also an advantage that many seedling boxes can be arranged on the linear conveyors 11 and 12 because there are no gaps.

An opening 20 is formed at an appropriate position on the floor of the mezzanine floor 4, and an elevating lifter 21 for connecting the seedling box conveyor 10 and a seeder 40 described later in the working chamber 1 is provided in the opening. Has been. A stopper 24 having a seedling box detection switch 23 attached thereto and a pushing cylinder 25 installed at a right angle to the feeding direction of the conveyor 14 at the end of the seedling box carrying conveyor 10.
When the seedling box group 5, ... Abuts on the stopper 24, the seedling box detection switch 23 is turned on and the rod of the pushing cylinder 25 projects to push the seedling box group 5 ,. It is like this.

As shown in FIGS. 5 to 10, the lift lifter 21 includes a pair of lift chains 3 provided at a fixed distance.
0 and 30 are provided, and the motor 31 circulates and moves these lift chains in a predetermined direction. At a position corresponding to each other of the pair of lift chains 30, lugs 32, ... Supporting the bottom surface of the seedling box 5 are attached at a predetermined pitch p. Further, at the lower part of the lift lifter 21, there is provided a feeding device 35 for feeding the seedling boxes lowered to a predetermined height by the lift chains 30 to the seedling box feeding conveyor 34 installed below one by one. The feeding device 35 is composed of two sets of upper and lower feeding cylinders 38, 38, 39, 39 provided with the lift chains 30, 30 sandwiched therebetween. A rod of the upper feeding cylinders 38, 38 holds a seedling box from both sides. Retaining plates 38a, 38a are attached, and holding rods 39a, 39a capable of holding the seedling box from below are attached to the rods of the lower feeding cylinders 39, 39.

LS (1 to 3) are limit switches, which are turned on when the lug 32 comes into contact with the limit switches to stop the lift chains 30 and 30 at the receiving position and the standby position, respectively. PH (1 to 4) is a photo sensor, PH 1 is the height of the seedling box at an arbitrary number of stages at the receiving position, PH 2 is the height of the seedling box at a predetermined number of stages at the opening position, and PH 3 is the opening position. PH4 is provided at a height overlapping both the first and second seedling boxes from the bottom, and PH4 is provided at the height of the seedling box supply conveyor 34.

First, the operation of the feeding device 35 will be described. Two sets of upper and lower feeding cylinders 38, 38, 39, 39
Switches between a closed state in which the rod protrudes and an open state in which the rod retracts in conjunction with each other. Upper feeding cylinder 38,
When 38 receives the seedling boxes 5, ... for one pile from the pair of lugs 32, 32 that have descended to the open position, the lower feeding cylinders 39, 39 close and the upper feeding cylinders 38, 38 open. , And the seedling box groups 5, ... Held in the upper feeding cylinders 38, 38 become the lower feeding cylinders 39, 3.
Moved to 9. Next, the upper feeding cylinders 38, 3
8 is closed, and the seedling box groups of the second or higher stages from the bottom are again held by the upper feeding cylinders 38, 38. P in this state
When H4 is turned off and it is confirmed that there is no seedling box on the seedling box supply conveyor 34, the lower feeding cylinders 39 and 39 are closed, and the lowermost seedling box 5 held by the lower feeding cylinder is the seedling box 5. It falls on the box supply conveyor 34. The above series of operations are repeated, and the seedling box supply conveyor 34
Will be supplied to.

By the pushing cylinder 25, the seedling box group 5,
... is pushed into the waiting lugs 32, 32 at the receiving position and is confirmed (turned on) by PH1 (see FIG. 5), the chain lifts 30, 30 move until the lugs descend to the waiting position, Here, it is temporarily stopped (see FIG. 7). During this period, the feeding device 35 feeds the seedling boxes one by one from the seedling box group held on the previous rug onto the seedling box supply conveyor 34 (see FIG. 8). When the remaining amount of the seedling box held in the feeding device 35 becomes equal to or less than a predetermined number and the PH2 is turned off, the chain lifts 30, 30 move until the lugs 32, 32 descend to the standby position, and stop here again. (Fig. 9
reference). Then, when the seedling box held by the feeding device 35 becomes empty and the PH3 is turned off, the chain lift 3 is continued until the next lug is lowered to the height of the upper feeding cylinders 38, 38.
0, 30 move and hand over the holding seedling box group 5, ... To the holding plates 38a, 38a of the upper feeding cylinders 38, 38 (see FIG. 10).

As described above, since the seedling box group is gradually lowered according to the remaining amount of the seedling boxes held by the feeding device 35, the feeding device 32 supplies the seedling boxes when the seedling boxes are exhausted. Can be done quickly. Therefore, the seedling boxes can be supplied to the seedling box supply conveyor 34 without any gap. Also,
Since the seedling boxes held by the feeding device 35 are all exhausted, the seedling boxes can be satisfactorily supplied without the risk of the seedling boxes shifting at the connecting portion.

Seedling box 5 supplied to seedling box supply conveyor 34
Are sent to the seeder 40. The seeding machine 40 is provided with a bed soil supply device 42, an irrigation device 43, a seeding device 44, and a cover soil supply device 45 along the seeding conveyor 41, and supplies the bed soil to the empty seedling box, irrigation, seeding, cover soil. The supply is done sequentially.

The seedling box 5 after seeding which has been treated by the seeder 40 is sent to the stacking device 70 via the lift device 60. In this seeding facility, two sets of lift devices 60 are provided for each type of seedling box. (1, 2) and the stacking device 70 (1, 2) are provided in parallel, and the seeding device 40 to both lift devices 6 are provided.
The sorting / transporting device 50 sorts and transports to 0 (1, 2) for each type of seedling box. Sorting / conveying device 50
As shown in FIG. 11, a single primary conveyor 51 that conveys a seedling box from the end of the seeding conveyor 41 to a predetermined position.
And both lift devices 60 from the end of the primary conveyor
It is composed of two secondary conveyors 52 (1, 2) for individually transporting seedling boxes to (1, 2). Primary conveyor 5
1 has a width that can convey at least two rows of seedling boxes in parallel, and one secondary conveyor 52 (1) is connected on the conveying path 53 (1) common to the seeding conveyor 41, and the seeding conveyor 41 is displaced. The other secondary conveyor 52 (2) is connected to the transport path 53 (2). An identification sensor 55 for identifying the type of the seedling box is provided at an appropriate position on the primary conveyor 51, and a distribution device 56 that operates based on the detection result of the identification sensor 55 is provided downstream of the sensor. ing. The sorting device 56 has a seedling box pulling plate 58 attached to the rod of the air cylinder 57, and when the air cylinder 55 contracts, the seedling box that is carrying the transport path 53 (1) is transported by the seedling box pulling plate 58 to the transport path 53 It is supposed to be drawn to 2). The conveying path of one secondary conveyor 52 (2) is bent to avoid interference with the other secondary conveyor 52 (1), but this curved portion is tapered like the curved conveyor 13 described above. Rollers are used.

A photo sensor is used as the identification sensor 55, and the following mounting methods can be considered depending on the type of seedling box. As shown in FIGS. 12 and 13, when the identification sensor 55 is horizontally provided at an appropriate height, the seedling boxes 5 having different heights are provided.
(1) and 5 (2) can be identified. As shown in FIG. 14 and FIG. 15, a stopper 59 is provided which provides the identification sensor 55 at a height close to the conveyor surface and stops the seedling box at a fixed position.
When used together, the ribbed seedling box 5 (3) and the ribless seedling box 5 (4) can be identified. Further, as shown in FIGS. 16 and 17, if the identification sensor 55 is vertically provided at an appropriate position, the seedling boxes 5 (5), 5 (6) having different widths can be identified.
For example, when the seedling boxes 5 (1) and 5 (2) are mixed and flown, the seedling box 5 (1) is not detected by the identification sensor 55, and therefore the seedling box 5 (1) passes through the transport path 53 (1) as it is and the secondary conveyor. 52 (1), but the seedling box 5 (2) is identified by the identification sensor 5
5, the transfer device 56 transfers the transfer path 53 (1) to the transfer path 53 (2), and the secondary conveyor 52
It is sent to (2). In this way, the sorting / conveying device 50 sorts the two stacking devices 70 (1,
By transporting the seedlings to 2), seedling boxes of different types can be flowed at the same time, so that the work efficiency can be improved.

In some cases, regardless of the kind of seedling box, the seedling boxes to be sequentially supplied may be alternately distributed to the two stacking devices. Further, three or more stacking devices may be installed in parallel, and the seedling boxes sent from the seeder 40 may be appropriately sorted by the sorting and transporting device and transported to these stacking devices.

The lift device 60 is a device for raising the seedling box after seeding, which has been conveyed to the end portion of the secondary conveyor 52 of the sorting and conveying device, to a predetermined height, as shown in FIGS. 18 and 19. Further, like the lift chains 30, 30 of the lift lifter 21, it has a pair of lift chains 62, 62 to which lugs 61, ... Are attached at a predetermined pitch. The lift chains 62, 62 are intermittently circulated by a one-rotation motor 63 in the opposite direction to the lift chains 30, 30.
A photoelectric switch 65 is provided at the end of the secondary conveyor 52. When the photoelectric switch detects a seedling box, the one-rotation motor 63 is activated and the lift chains 62, 6 are driven.
Move 2 by 1 pitch. An upper part of the lift device 60 and the stacking device 70 are connected by a conveyor 67, and a drawer cylinder 68 for drawing out the seedling box lifted by the lift chains 62, 62 onto the conveyor 67 is provided at the upper part of the machine frame.

The stacking device 70 is shown in FIGS. 20 to 28. A transfer device 74 is provided on the upper part of a machine frame 72, and a seedling box mounting table 75 (A, B) and the seedlings are provided below the transfer device. Two sets of elevating devices 76 (A, B) for the box platform are provided in parallel.

In the transfer device 74, transfer belts 81, 81 are stretched around pulleys 80, ...
A motor 82 moves these transfer belts in opposite directions. Reference numeral 83 in the figure denotes a reverse transmission belt. Stop positions A and B are set at two positions before and after a seedling box transfer path 84 formed in a space between the transfer belts 81 and 81, and tensioning devices 85 (A and B) for the transfer belts are provided at both stop positions.
Is provided. The tension device 85 is the tension roller 8
By adjusting the position of the roller support members 87, 87 to which the 6, ... Are attached in the direction orthogonal to the transfer path 84 by means of solenoids 88, ..., The distance between the facing surfaces of the transfer belts 81, 81 and the tension of the belts can be adjusted. To adjust.

Below the seedling box transfer path 84, receivers 95 (A, B) for preventing the seedling box 5 from falling are provided. The receiving body 95 is provided with a pair of receiving plates 96, 96 formed by bending a plate material in an L-shape on both sides of the seedling box transfer path 84, and moving this in the direction orthogonal to the transfer path 84 by the opening / closing cylinders 97, 97. The distance between the two is expanded or reduced. Support plate 9
When 6, 96 are closed, the inner end of the seedling box 5 is seen in plan view.
Since the seedling box does not drop from the transfer path 84 because it is positioned so as to overlap with the seed box, the inner end of the seed box moves away from the seed box 5 in a plan view when opened, so that the seed box can drop from the transfer path 84.

Seedling box 5 transferred along transfer path 84
As a device for stopping the vehicle at the stop position A or B,
A stop device 100 (A, B) is provided. Both stop devices 100 (A, B) are transferred to the seedling box 5
Although it comprises a receiving member 101 for receiving the front end portion of the and a detection switch 102 attached thereto, the stopper device 100 (B) on the rear side is fixedly provided on the machine frame, whereas the stopper device on the front side is provided. 100 (A) is the solenoid 10
It is provided so that it can move up and down.

The seedling box mounting table 75 and the lifting device 76 are constructed as follows. That is, a pair of guide columns 110 having a groove-shaped cross section at predetermined intervals in the direction of the transfer path 84,
110 is erected, and the elevating body 1 is provided inside each of the guide columns 110.
11, 111 are slidably fitted together. The lifting rollers 111, 111 include a nipping roller 11 facing each other vertically.
The holding frames 113, 113 having 2, ... Are provided integrally with each other. The elevating body 111 is attached to one end of a chain 119 wound around a sprocket 117 fixed to a rotary shaft 116 driven by a motor 115, and ascends and descends by rotating the motor 115. Reference numeral 120 in the figure is a balance weight attached to the other end of the chain.

The seedling box mounting base 75 is a plate-shaped base whose front end is cracked like a fork, and is supported by being sandwiched by the upper and lower rollers 112 of the pair of holding frames 113, 113. A horizontal movement air cylinder 122 is provided below the seedling box mounting table 75. When the seedling box mounting table 75 is lowered to the lowest position, the engaging portion 123 provided at the rear end portion of the lower surface of the seedling box mounting table engages with the piston rod tip of this air cylinder. This air cylinder 12
In No. 2, contraction is controlled in two stages by stop switches 126 and 127 that detect that the projection 125 provided on the lower surface of the seedling box mounting table 75 has come into contact with the seedling box mounting table 75 and operate the valve switching solenoid.

The lifting device 76 is controlled by the following switches. The upper limit switch 130 determines the upper limit position of the seedling box mounting table 76, and when the upper end of the elevating body 111 contacts, the rotation of the motor 115 is stopped. The lower limit switch 131 determines the lower limit position of the seedling box mounting table 75, and when a predetermined number of seedling boxes are stacked and the lower end portion of the seedling box mounting table 75 comes into contact, the rotation of the motor 115 is stopped as described above. It Further, the transshipment switch 132 is for transposing the seedling boxes stacked on the seedling box mounting table 75 to the germination cart 135, and is moved horizontally to the loading position of the germination cart 135 to move the seedling box mounting platform 75 to this. Lower slightly until it abuts the switch.

The germination carriage 135 is stopped at a predetermined position on a rail 136 laid on the side of the stacking device 70. The germination cart 135 has a space in which two rows of seedling boxes can be stacked in the front-rear direction and the left-right direction, and a support stand 137 is provided on the upper surface in two rows in the front-rear direction.

The seedling boxes 5, ... Which have been seeded and are conveyed to the terminal end of the seeding conveyor 41 are sequentially lifted by lift chains 62, 62 which move intermittently. When the lift is completed, the pull-out cylinder 68 operates to pull the lifted seedling box 5 onto the roller conveyor 67, and the roller conveyor 67 conveys it to the stacking device 70.

The seedling box 5 conveyed by the roller conveyor 67 is taken over by the transfer device 74. Seedling box 5 is tension device 8
5 (A) is transported in the direction of the arrow while being sandwiched by a pair of transport belts 81 (A, B) whose distance is narrowed. At this time, the left and right ends of the lower surface of the seedling box 5 are provided with the receivers 9.
It is held by a pair of receiving plates 96, 96 of 5 (A). In the first step, since the solenoid 103 is not excited and the stopper device 100 (A) is lowered, the seedling box 5 being transferred is stopped at the stop position A by the receiving member 101. At the same time, the detection switch 102 is turned on, and the open / close cylinders 97, 97 are extended to receive the receiving plates 96, 9
6 is opened and the solenoid 8 of the tension device 85 (A) is opened.
8 ... Shrink and the transfer belts 81, 81 open the seedling box 5. At this time, the elevating device 76 (A) moves the elevating body 111
11 is in the state of being raised to the top, and the seedling box mounting table 75
Since (A) is located at the upper limit position immediately below the stop position A, the seedling box 5 is placed on the seedling box mounting table 75 (A). Next, the motor 115 (A) rotates a fixed amount, and the seedling box mounting table 75 (A) is lowered by the thickness of the seedling box. During this operation, the opening / closing cylinders 97, 97 extend to receive the receiving member 95.
(A) returns to the original closed state.

Similarly, the second seedling box that is continuously sent is also transferred to the stop position A by the transfer belts 81, 81.
Transferred to seedling box mount 75 (A), seedling box mount 75
Since the first seedling box is already placed in (A), the second seedling box is stacked on top of the second seedling box. Thereafter, seedling boxes are sequentially stacked in the same manner.

A predetermined number of seedling boxes are stacked to form a seedling box mount 7
When 5 (A) descends to the lower limit position, this is detected by the lower limit switch 131 (A), and the stopper device 100 (A)
The solenoid 103 is excited. This time, the stopper device 100 (A) is in a raised state, so that the seedling box that is sent thereafter passes through the stop position A and is transferred to the stop position B. Hereinafter, as in the previous time, the stopper device 100 (B)
Stops the seedling box at the stop position B, and also receives the receiver 95 (B), the tension device 85 (B), and the lifting device 76 (B).
Performs the predetermined operation, and the seedling boxes 5, ... Are stacked on the seedling box mounting table 75 (B).

While the seedling boxes are stacked on the rear seedling box mounting table 75 (B), the front seedling mounting table 75 (A) performs the following operations. That is, the horizontal movement cylinder 122 (A) contracts according to the detection signal of the lower limit switch 131 (A),
The seedling box mounting table 75 (A) engaged with the piston rod of the cylinder at the engaging portion 123 is designed so that the stop switch 126 operates when the germination cart 135 is empty. A) is moved to the loading position (indicated by in the figure) on the rear left side of the budding cart 135, and stops there. Next, the motor 115 (A) is activated and the seedling box mounting table 75
(A) is slightly lowered until it comes into contact with the transshipment switch 132 (A), and the stacked seedling boxes 5, ...
Replace with 7. After that, the horizontal moving cylinder 122 extends and the seedling box mounting table 75 (A) returns to the original position.

When a predetermined number of seedling boxes 5, ... Are stacked on the rear seedling box mounting table 75 (B), the lower limit switch 131 (B) is placed.
Detects this, and the tensioning device 85 (A) is closed and the tensioning device 85 (B) is opened. Therefore, the seedling boxes sent thereafter are stopped at the stop position A and stacked again on the front seedling box mount 75 (A). In the meantime, the air cylinder 122 (B) and the lifting device 76 (B) are operated to transfer the seedling box mounts 5, ... to the loading position (shown in the figure) on the front left side of the germination cart 135.

Continuously, the front and rear seedling box mounting bases 75 (A, B)
Seedling boxes are stacked one after another, but this time stop switch 1
26, the stacked seedling boxes 5, ... Are loaded in the loading position on the right side of the germination cart 135.

When a predetermined number of seedling boxes are loaded in the germination cart 135 in two rows in the front, rear, left and right directions, the germination cart 135 is placed in the germination chamber 2.
The empty budding cart is parked in place instead. The germination cart 135 carried to the germination room 2 is stored here for a suitable number of days. When the seeds in the seedling box emerge after a suitable number of days, the seedling box is transferred to the greening cart 141 by the transfer device 140 in the transfer room 3.

[0035]

As described above, in the seeding facility according to the present invention, a plurality of stacking devices are provided in parallel, and the seedling boxes after seeding are distributed to appropriate stacking devices according to the type and conveyed. As a result, multiple seedling boxes can be flowed at the same time, improving work efficiency.

[Brief description of drawings]

FIG. 1 is a plan view of a first floor portion of a seeding facility that is an embodiment of the present invention.

FIG. 2 is a plan view of the mezzanine part of the seeding facility shown in FIG.

FIG. 3 is a plan view of a seedling box carrying conveyor installed in this embodiment.

FIG. 4 is a plan view of a conventional seedling box carrying conveyor.

FIG. 5 is a front view of a lift lifter.

FIG. 6 is a side view of the lift lifter.

FIG. 7 is a front view of the main part of the lift lifter in a state different from the state shown in FIG.

FIG. 8 is a front view of the main part of the lift lifter in a state different from the states shown in FIGS. 5 and 7.

9 is a front view of the main part of the lift lifter in a state different from the states shown in FIGS. 5, 7, and 8. FIG.

10 is a front view of the main part of the lifting lifter in a state different from the states shown in FIGS. 5, 7, 8 and 9. FIG.

FIG. 11 is a plan view of a sorting and conveying device.

FIG. 12 is an explanatory diagram showing a case where a seedling box is not detected in an example of an identification sensor attachment method.

13 is an explanatory diagram showing a case where a seedling box is detected in the identification sensor mounting method shown in FIG.

FIG. 14 is an explanatory diagram showing a case where a seedling box is not detected in an example in which an identification sensor attachment method is different.

15 is an explanatory diagram showing a case where a seedling box is detected in the identification sensor mounting method shown in FIG.

FIG. 16 is an explanatory diagram showing a case where a seedling box is not detected in a further different example of the identification sensor attachment method.

17 is an explanatory diagram showing a case where a seedling box is detected in the identification sensor mounting method shown in FIG.

FIG. 18 is a front view of the lift device.

FIG. 19 is a side view of the lift device.

FIG. 20 is a front view of the stacking device.

FIG. 21 is a plan view of the stacking device.

FIG. 22 is a side view of the stacking device.

FIG. 23 is a plan view of the transfer device.

FIG. 24 is a side view of the transfer device in one state.

25 is a side view showing a state of the transfer device different from the state shown in FIG. 24. FIG.

FIG. 26 is a side view showing a state of the transfer device different from the state shown in FIGS. 24 and 25.

27 is a front view of the stopper device provided at the stop position A. FIG.

28 is a front view of the stopper device provided at the stop position B. FIG.

[Explanation of symbols]

 1 Working Room 2 Germination Room 3 Transhipment Room 4 Middle 2 Floor 5 Seedling Box 10 Seedling Box Conveyor 21 Lift Lifter 40 Seeding Machine 50 Distributor Conveyor 51 Primary Conveyor 52 Secondary Conveyor 55 Identification Sensor 56 Distributor 60 Lifting Device 70 Stacking device 135 Budding cart

Claims (1)

[Claims] 1. A seeding machine for sowing seedling boxes, and a plurality of stacking devices for stacking the seeded seedling boxes on a germination cart,
A transport device for transporting the seedling box from the seeder to the stacking device,
It is composed of a primary conveyor that conveys the seedling boxes from the seeding machine to a predetermined position, and a plurality of secondary conveyors that individually convey the seedling boxes from the end of the primary conveyor to the plurality of stacking devices, and passes through the primary conveyor. A sensor for identifying the type of seedling box in the inside, and a sorting device for sorting the seedling box conveyed to the end portion of the primary conveyor to an appropriate secondary conveyor based on the detection result of the sensor are characterized. Seedling raising facility.