JPH0585122B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a seeding device for pot sheet paper.

(Prior Art) Conventionally, seedlings with soil for rice transplanters have progressed from seedlings with soil sown to seedlings with soil sown in rows, and recently, seedlings with soil with pot sheets using pot sheet paper have become popular.

(Problem to be solved by the invention) As shown in Figure 1, pot sheet paper has about 16 pots lined up horizontally and about 17 pots lined up vertically. Three seeds were sown in each pot by hand, but since hand sowing is difficult, sowing was done by machine.

Furthermore, when the pot sheet paper 1 is fitted into the storage case 3, since the pot sheet paper 1 itself is very light and the lower end 4 is formed with unevenness, the lower end 4 of the pot 2 is inserted into the storage case 3 as shown in FIG. is storage case 3
When the cover soil 5 and the bed soil 9 are poured from above in this state, the lower end 4
Due to the through hole 6 formed in the hole 6, the covering soil 5 leaks into the storage case 3 as shown in FIG. 3, and it may not be possible to reliably supply the soil.

(Means for Solving the Problems) Therefore, the present invention provides a drawer-shaped storage case 3.
In the apparatus for sowing seeds on the pot sheet paper 1 by fitting the pot sheet paper 1 from above onto the pot sheet paper 1 and placing it on the horizontal transfer stage 13 of a conveyor-type seeding device and moving the seed, the seeding device includes a covering soil supply device 2.
7 or/and a bed soil supply device 67 is provided, and the covering soil supply device 27 or/and the bed soil supply device 6 is provided.
7 is provided with a push rod 57 which is movable up and down parallel to the pot sheet paper 1 and elastically presses the pot sheet paper 1 into the storage case 3; The front end 72 of the push rod 57 faces the vicinity of the soil supply lower part of the soil covering supply device 27 and/or the bed soil supply device 67, and when the push rod 57 presses the pot sheet paper 1, the soil covering 5 is Or/and the push rod 57 is configured to be able to supply the bed soil 9, and the push rod 57 is formed of a rear portion 58 that presses the upper surface of the pot sheet paper 1, a front portion 64, and an upwardly bent portion 61 that connects these. The seeding device is provided with a pressure roll 66 for pressing the pot sheet paper 1 downward on the inner lower surface side of the bent portion 61.

(Embodiment) FIG. 1 shows a state in which a pot sheet 1 is being stored on one side of the storage case 3, and FIG. 2 shows the same storage state. Usually, two pot sheets 1 are stored side by side in a storage case 3. When the pot sheet paper 1 is fitted into the storage case 3, the third
As shown in the figure, the lower end 4 of the pot 2 is stored with it slightly raised above the bottom of the storage case 3. it is,
This is because the pot sheet paper 1 itself is very light and the lower end portion 4 is formed in an uneven manner. In this state, when covering soil 5 and bed soil 9 are poured from above, the lower end 4
Covering soil 5 leaks into the storage case 3 through the through hole 6 formed in the housing case 3, resulting in a situation as shown in FIG. 3, so this is prevented.

The storage case 3 has a drawer shape and is formed in a size that allows two approximately square pot sheets 1 to be fitted side by side, and a central upper surface of the bottom plate is provided to prevent each pot sheet paper 1 from moving in the front and back direction. Forms a ridge. The pot sheet paper 1 is made of a water-soluble paper material, and each pot 2 is formed into a substantially regular square shape when viewed from above, and becomes narrower toward the lower end 4 when viewed from the side. The sprouts 8 of the seeds 7 sown in the pot 2 extend upward from the through hole 6. That is, the pot sheet paper 1 is fitted into the storage case 3, and the covering soil 5 is supplied into the pot 2, and about three seeds 7 are sown on the covering soil 5.
Supply the bed soil 9 on top of it (Fig. 5), cover the seedling raising box 10 from above (Fig. 6), turn it over, remove the storage case 3, and put top soil 11 into the gap between each pot 2 ( After growing for a certain period of time (Fig. 7), a bud 8 emerges upward from the through hole 6 as shown in Fig. 8.

FIG. 9 relates to a device for sowing three seeds 7 into each of the 34 pots 2 lined up as described above, and when configured as shown in FIG. 9, the pot sheet paper 1 is intermittently moved. Approximately 80 without letting
%, three seeds can be sown.

That is, the pot sheet paper 1 continuously moves in the direction of arrow A at a constant speed. The speed depends on the horizontal transfer stage of the conveyor. 12 is seed 7
The feeding device 12 continuously feeds out the seeds 7, but according to the arithmetic calculation of 34 x 3 = 102 seeds, while the pot sheet paper 1 passes, 102 seeds are fed out. Adjust it. This delivery is
As will be described in detail later, if a spiral roll is used, it can be easily implemented by simply determining its rotation speed. Therefore, as shown in Figure 9, 102 grains will be distributed to each of the 34 pots 2, and the size of each pot 2 and
Because the speed is constant, about 80% of the time sowing 3 seeds, 10% of the time sowing 2 seeds, and 10% of the time sowing 4 seeds.

Figure 10 and subsequent figures are related to the device, and 13 is:
This is a horizontal transfer table for a conveyor-type seeding device, and is long in the transfer direction. The horizontal transfer table 13 is for transferring the storage case 3 from the starting end side 14 toward the terminal end side 15, and has a guide roll 16 and a guide belt 17. A pressing device 18 for pressing the pot sheet paper 1 is provided on the starting end side 14 of the soil covering supply device 27. That is, the lower end of a vertical support 21 is fixed to the upper surface of the frame 20 of the horizontal transfer table 13, and the base of a rotating arm 22 is rotatably attached 23 to the upper end of the support 21.
The end of the shaft 24 of the press roll 19 is attached to the tip of the rotating arm 22 . The upper end of the spring 25 is engaged with the approximately middle position of the rotating arm 22, the lower end of the spring 25 is engaged with the frame 20, and the spring 25 causes the pressure roll 19 to
biases downward. Therefore, the pressing roll 19 presses the pot sheet paper 1 downward to bring the lower end 4 of the pot 2 into close contact with the upper surface of the bottom plate of the storage case 3, so that the soil covering 5 leaks through the through hole 6 as shown in FIG. Make sure not to. 26 is a vertical adjustment screw attached to the tip of the rotating arm 22. The screw 26 adjusts the degree to which the pressure roll 19 presses the pot sheet paper 1 to the maximum extent.

A covering soil supply device 27 is provided on the lower side of the pressing roll 19.
will be established. The device 27 is formed by a hopper 28, a feeding belt 29, a feeding amount adjusting section 30, etc., and supplies the covering soil 5 into each pot 2 of the pot sheet paper 1. On the downstream side of the covering soil supply device 27, a seed rice feeding device 12 is provided.

The rice seed feeding device 12 is formed by a rice seed supply hopper 31, seeding devices 32, 33, and the like. Each spiral roll 34 of the seeding devices 32, 33 forms a spiral groove 36 on its outer peripheral surface.

The spiral groove 36 may be a single-thread spiral or a multi-thread spiral. The spiral roll 34 is formed to have the same diameter throughout. 37 is a spiral ridge portion of the spiral roll 34.

When viewed from above, the adjacent spiral rolls 34 and 33 rotate with the spiral grooves 36 aligned with each other with a narrow gap, and the axial center direction aa of the spiral roll 34 and the storage case 3 When viewed from above, they are arranged parallel to the transport direction A. The spiral grooves 36, 36 of each spiral roll 34 arranged in parallel form one fitting groove 38 from the left and right sides,
The size of the fitting groove 38 is made small so that the seeds 7 do not leak. Spiral rolls 34, 3 arranged in parallel
Seed transfer grooves 39 in the shape of a triangle are formed on the upper surfaces of the holes 4 and 4, respectively. That is, a plurality of spiral rolls 34 are arranged in parallel in the left-right direction, and the number of seed transfer grooves 39 is as follows.
The number of pots 2 is formed to be 1/2 of the number of pots 2 on the pot sheet paper 1 passing under the spiral roll 34.

Therefore, each seed moving groove 3 of the seeding device 32
Reference numeral 9 indicates each seed moving groove 39 of the seeding device 33 so as to be located above the odd-numbered positions of the pot sheet paper 1.
are respectively provided on the horizontal transfer table 13 at shifted positions so as to be above the even-numbered positions of the pot sheet paper 1.

The spiral roll 34 has a starting end 40 with a low height h and a terminal end 35 with a high height H, and each drop port 41 of the seed rice supply hopper 31 is opened above the starting end 40.

At the bottom of the spiral roll 34, there is a suction case 4.
2 will be provided. A suction port 44 is opened in either the left or right side plate 43 of the suction case 42, and a suction machine (not shown) is connected to a connecting portion on the outside of the suction port 44. The suction case 42 allows suction air to blow through the fitting groove 38 from top to bottom, and sucks the seeds 7 moving in the seed transfer groove 39 downward.
This is so that the fitting groove 38 is attracted to the inside of the fitting groove 38.

A falling chute 45 is formed at the end portion 35 of the seed moving groove 39 . The falling chute 45 transfers the seeds 7 that have fallen from the terminal end 35 to the pot sheet paper 1.
This is for guiding the water into the respective pots 2. Therefore, the falling chute 45 is the pot sheet paper 1.
It is formed directly above the row of pots 2 in the vertical direction.

Reference numeral 46 denotes a rotating brush for leveling the seeds 7 moving in the seed moving groove 39 from the starting end 40 toward the ending end 35 one by one. The rotating brush 46 is connected to the seed moving groove 39 of the spiral rolls 34, 34.
It is provided above the spiral roll 34 so as to be perpendicular to the axial direction a-a of the spiral roll 34.

Reference numeral 47 denotes a seed receiving box, which collects seeds that have adhered to the rotating brush 46 and rotated together. The shaft 48 of the rotating brush 46 is fixed to a support body 49, and the support body 49 is vertically movable within the range of an elongated hole 51a in the vertical direction provided in the main body 50, and the rotating brush 46 is rotated by its own weight into a spiral roll. It is listed on 34. The seed receiving box 47 is attached to a support 49 together with the rotating brush 46, and the support 49 is provided with an adjustment screw 51 for adjusting the height in order to limit its downward movement.

A seed guide 52 is provided on the upper surface of the spiral roll 34 on the starting end 40 side. The guide 52 moves the adjacent seed moving groove 39 by the rotation of the spiral roll 34.
This is to prevent the seeds 7 from moving, and mainly covers the upward rotation side of the spiral roll 34.

A sprocket 5 is attached to the shaft 53 of each spiral roll 34.
4 is installed, and the chain 5 is installed on the sprocket 54.
Wind 5.

A motor 56 is provided in front of the rice seed delivery device 12 and rotates the guide roll 16. A push rod 57 is provided on the lower side of the motor 56.

The push rod 57 is parallel to the transport direction of the storage case 3,
It is provided approximately at the center of the storage case 3 in the left-right direction. The end of the rear part 58 of the push rod 57 is bent upward in order to guide the end of the tip of the pot sheet 1 fitted into the storage case 3 to pass under the push rod 57 when the upper surface comes into contact with it. do. The base of a protruding rod 59 that protrudes upward is fixed to approximately the center of the rear part 58, and the upper part of the protruding rod 59 is inserted into the upper surface of a mounting frame 60 attached to the upper surface of each frame 20, 20 of the transfer table 13. , supports the rear part 58 of the push rod 57. A substantially central portion of the push rod 57 is bent upward to form a bent portion 61, and a protruding rod 62 that protrudes upward is provided in front of the bent portion 61. The protruding rod 62 has the same structure as the protruding rod 59 and is attached to a mounting frame 63 provided on the frame 20 of the transfer table 13 to support the front portion 64 of the push rod 57. A spring 65 is wound around the protruding rods 59 and 62,
The push rod 57 presses the pot sheet paper 1 into the storage case 3 below. Bent portion 61 of the push rod 57
A pressure roll 66 is provided below. Press roll 6
6 is the same as the mounting structure of the pressure roll 19.

A bed soil supply device 67 is provided on the downstream side of the motor 56. The bed soil supply device 67 is formed by a hopper 68, a delivery belt 69, a bed soil supply amount adjustment device 70, and the like. A pressing roll 71 is provided on the downstream side of the bed soil supply device 67. The pressing roll 71 is for pressing the bed soil 9 supplied by the bed soil supply device 67.

The push rod 57 and the pressure roll 66 press the pot sheet paper 1 downward to bring the lower end 4 of the pot 2 into close contact with the upper surface of the bottom plate of the storage case 3, and supply the bed soil 9 in this state. Therefore, push rod 5
The front end 72 of 7 is formed to protrude downward from the delivery belt 69 of the soil supply device 67 just before the soil falls. Press roll 66 and pressure roll 71
are provided at intervals shorter than the length of the storage case 3,
The pressing roll 71 acts while the pressing roll 66 is pressing. A scraper 73 is provided on the lower side of the pressing roll 71. The scraper 73 is used to scrape off excess bed soil on the top surface of the pot 2 after it has been compacted by the pressure roll 71.

74 is a passive shaft, 75, 77 are gears, 76, 78
is a pulley, 79 is a belt, and 80 is a drive shaft.

Although not shown, the soil covering supply device 2
The push rod 57 and the pressure roll 66 may also be provided between the rice seed feeder 7 and the rice seed feeding device 12.

(effect) Next, we will discuss the effect.

When the storage case 3 with the potted sheet paper 1 fitted thereon is placed on the starting end side 14 of the horizontal transfer table 13, the storage case 3 is transported at a constant speed toward the terminal end side 15 by the guide rolls 16 and the guide belt 17, and the pressing roll 19 below. Press roll 19
is urged to rotate downward by a spring 25, so that the pot sheet paper 1 is pressed so that the lower end 4 of the pot 2 is brought into close contact with the upper surface of the bottom plate of the storage case 3, and the through hole 6 of the pot 2 is pressed. Make sure that the covering soil 5 does not leak.

A covering soil supply device 27 is provided on the lower side of the pressing roll 19.
Because of this, the pot sheet paper 1 is pressed into the storage case 3 and the covering soil 5 is supplied from the through hole 6 of the pot 2 to the lower part of the soil covering supply device 27 without leaking. Covering soil 5 is supplied to the seed rice feeder 5, and the seed rice feeder 12 is further advanced.

Each spiral roll 3 arranged in parallel of the seed rice feeding device 12
The mutually spiral grooves 36 and spiral ridges 37 of the rolls 3 and 4 rotate in a state in which the left and right sides coincide with each other.
Seed transfer grooves 39 are provided on the upper surface between 4 and 34, respectively.
is formed, and a fitting groove 38 is formed at the bottom of the moving groove 39 by combining the two spiral grooves 36 and 36. Therefore, when the spiral roll 34 rotates,
The fitting grooves 38 of the seed transfer grooves 39 advance in the direction of the terminal end 35 at a constant speed in a matched state.

Therefore, a suction case 42 is provided below the spiral roll 34 and sucks air from the suction port 44 of the device, so that the suction air blows from top to bottom through the fitting groove 38 and moves through the seed transfer groove 39. Since the seeds 7 are sucked downward, the seeds 7 move through the seed moving groove 39 to the terminal end 35 without coming off, one by one, while being fitted in each fitting groove 38. From the terminal end 35 of the seed transfer groove 39, the seeds are guided by a falling chute 45 and fall continuously into the pot 2.

Therefore, if the transfer speed of the storage case 3 and the rotation of the spiral roll 34 are designed to be synchronized and rotated,
Three seeds 7 will fall into the pot 2 without intermittent movement of the storage case 3.

In this seeding, at first, the seeds 7 are supplied by the seeding device 32 into the pots 2 at odd-numbered positions in the left-right direction of the pot sheet paper 1, and the seeds 7 are not supplied into the pots 2 at even-numbered positions in the left-right direction by the seeding device 32. Then, when the storage case 3 moves below the seeding device 33, the seeds 7 are supplied into the even numbered pots 2.

Therefore, the front end of the pot sheet paper 1 is connected to the push rod 5.
7, the pot sheet paper 1 passes under the rear portion 58 of the push rod 57, so the pot sheet paper 1 is pressed and the lower end 4 of the pot 2 touches the top surface of the bottom plate of the storage case 3. In close contact.

At this time, the rear part 58 of the push rod 57 may act as resistance to the transfer of the pot sheet paper 1, but since a press roll 66 is provided in front of the rear part 58 of the push rod 57, the press roll 66 moves the pot sheet paper 1. 1 together with the storage case 3 and against the guide roll 16 and guide belt 17 of the horizontal transfer table 13, the transfer is ensured. Further, the pressure roll 66 is provided below the bent portion 61 of the push rod 57, and the push rod 57 has a spring 65 wound around the protruding rods 59, 62, and presses the pot sheet paper 1 downward with the push rod 57, so that the push rod 57 has no pressure. Even when the roll 66 presses the pot sheet paper 1, the pot sheet paper 1 moves forward without lifting up either the front end or the rear end of the pot sheet paper 1.

The advanced pot sheet paper 1 is transferred to the bed soil supply device 67
When it reaches the bottom of , it receives a supply of bed soil 9,
The pressure roll 66 and the pressure roll 71 are provided at an interval shorter than the length in the longitudinal direction of the storage case 3,
The front end 72 of the push rod 57 is formed to protrude downward from the delivery belt 69 of the soil supplying device 67 just before the soil 9 falls, so that the pressure roll 71 can remove the soil 9 supplied into the pot 2. The lower end of the storage case 3 does not lift up when it is pressed down.

Since a scraper 73 is provided on the downstream side of the pressure roll 71, after the soil is compacted by the pressure roll 71, excess bed soil is scraped off and sowing is completed.

(Effects) In the present invention, the pot sheet paper 1 is fitted into the drawer-shaped storage case 3 from above, and the pot sheet paper 1 is sown while being placed on the horizontal transfer table 13 of a conveyor-type seeding device and moved. In the apparatus, the seeding device is provided with a covering soil supply device 27 and/or a bed soil supply device 67, and a soil covering device 27 and/or a bed soil supply device 67 is provided at a position near the soil covering device 27 and/or the bed soil supply device 67 in parallel to and above and below the pot sheet paper 1. Case 3 that is movable and stores pot sheet paper 1
A push rod 57 for elastically pressing is provided inside the push rod 5.
7 is long in the moving direction of the pot sheet paper 1;
The front end 72 of the push rod 57 is connected to the soil covering supply device 27.
Or/and the cover soil 5 and/or the bed soil 9 can be supplied in a state where the pot sheet paper 1 is pressed by the push rod 57 facing near the lower part of the soil supply of the bed soil supply device 67, and The push rod 57 has a rear portion 58 that presses the upper surface of the pot sheet paper 1, a front portion 64, and an upwardly bent portion 6 that connects the rear portion 58 and the front portion 64.
1, and a pressure roll 66 for pressing the pot sheet paper 1 downward is provided on the inner lower surface side of the upper bent portion 61, so that the lower end of each pot 2 of the pot sheet paper 1 is accommodated. The case 3 can be stored securely in close contact with the bottom plate of the case 3, and seeding operations such as supplying the covering soil 5 and bed soil 9 are performed in this state, so the covering soil 5 and the bed soil 9 can be placed inside the storage case 3 through the through holes 6 of each pot 2. To ensure the supply of covering soil 5 and bed soil 9 by preventing soil 9 from spilling.

(b) Since the push rod 57 can move up and down parallel to the pot sheet paper 1, pot sheets 1 of different heights can also be used.

C. Since the push rod 57 presses the pot sheet paper 1 downward in parallel, it can be pressed uniformly.

D. The push rod 57 is formed of a rear part 58 that presses the upper surface of the pot sheet paper 1, a front part 64, and an upper bent part 61 that connects these parts, and the inner lower surface side of the upper bent part 61 holds the pot sheet paper 1 downward. Since the structure is provided with a pressure roll 66 for pressing, the pressure roll 66 can be provided with a simple structure, and the pot sheet paper 1 is pushed down by the cooperation of the rear part 58, the front part 64, and the pressure roll 66, so that the pressure roll 66 is pressed down. can be strongly pressed against
Can be transported reliably.

This effect is achieved.

[Brief explanation of the drawing]

Figure 1 shows a state in which pottery sheets are being stored on one side of the storage case, Figure 2 shows a state in which pottery sheets are placed in the storage case, and Figure 3 shows a state in which pottery sheets are placed in the storage case. Figure 4 shows the state in which the pot sheet paper in Figure 3 is pressed, Figure 5 shows the state in which it is pressed down, Figure 6 shows the state in which the seedling raising box is covered, and Figure 7 shows the state in which the container is turned over and the storage case is removed. Status diagram, Figure 8 is a diagram of the state of raised seedlings, Figure 9 is an explanatory diagram of sowing, Figure 10 is a cross-sectional view of the whole, Figure 1
Figure 1 is a perspective view of the rice seed delivery device, Figure 12 is a side view of the pressing device, Figure 13 is a plan view of the spiral roll, Figure 14 is a sectional view of Figure 11, Figure 15 is a diagram of the sowing state, FIG. 16 is a perspective view of the main part. Explanation of symbols, 1...Pot sheet paper, 2...Pot, 3...Storage case, 4...Lower end, 5...
Covering soil, 6...through hole, 7...seed, 8...bud, 9...
...Bed soil, 10...Seedling box, 11...Top soil, 12...
...Seed rice feeding device, 13...Horizontal transfer table, 14...
Starting end side, 15... Terminating end side, 16... Guide roll,
17... Guide belt, 18... Pressing device, 19...
... Press roll, 20 ... Frame, 21 ... Support body, 22 ... Rotating arm, 23 ... Pivoting, 24 ...
Shaft, 25... Spring, 26... Adjustment screw, 27...
Soil covering supply device, 28...Hopper, 29...Feeding belt, 30...Feeding amount adjustment section, 31...Rice seed supply hopper, 32, 33...Seeding device, 34...Spiral roll, 35...Terminal part, 36...Spiral groove, 37
... spiral mountain part, 38 ... fitting groove, 39 ... seed transfer groove, 40 ... starting end section, 41 ... falling port, 42 ...
...Suction case, 43...Suction case side plate, 44
... Suction port, 45 ... Falling chute, 46 ... Rotating brush, 47 ... Seed receiving box, 48 ... Shaft, 49
... Support body, 50 ... Main body, 51 ... Adjustment screw,
51a...Long hole, 52...Paddy guide, 53...
Shaft, 54... Sprocket, 55... Chain, 5
6... Motor, 57... Push rod, 58... Rear part,
59...Protruding rod, 60...Mounting frame, 61...Bending portion, 62...Protruding rod, 63...Mounting frame, 64...
Front part, 65... Spring, 66... Press roll, 67
...Bed soil supply device, 68...Hopper, 69...Feeding belt, 70...Bed soil supply amount adjustment device, 71...
... Squeezing roll, 72 ... Front end, 73 ... Scraper, 74 ... Passive shaft, 75, 77 ... Gear, 7
6, 78...pulley, 79...belt, 80...drive shaft.

Claims (1)

[Claims] 1 In an apparatus for sowing seeds on the pot sheet paper 1 while fitting the pot sheet paper 1 into a drawer-shaped storage case 3 from above and placing it on the horizontal transfer table 13 of a conveyor-type seeding device and moving it. is provided with a covering soil supply device 27 and/or a bed soil supply device 67, and the covering soil supply device 27
Or/and a push rod 57 is provided in the vicinity of the bed soil supply device 67, which is movable up and down parallel to the pot sheet paper 1 and elastically presses the pot sheet paper 1 into the storage case 3. , the push rod 5 is long in the moving direction of the pot sheet paper 1;
The front end portion 72 of 7 is connected to the soil covering supply device 27 or/and
The cover soil 5 and/or the bed soil 9 can be supplied in a state where the pot sheet paper 1 is pressed by the push rod 57 facing near the lower part of the soil supply of the bed soil supply device 67, and the push rod 57 is formed by a rear portion 58 that presses the upper surface of the pot sheet paper 1, a front portion 64, and an upper bent portion 61 that connects these, and a pressure portion that presses the pot sheet paper 1 downward is formed on the inner lower surface side of the upper bent portion 61. roll 66
A seeding device equipped with