JPH0474971B2 - - Google Patents

Description

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

(Prior Art) Pot sheet seeding work is carried out by fitting the pot into a drawer-shaped storage box from above and feeding the storage box to a pot sheet seeding device. That is, a soil supply device, a seed supply device, etc. are provided above the transfer table for transferring the storage box, and the storage box is transferred and seeds are sown. Figure 7 is a partial cross section of the pot seat and storage box, where a is the storage box, b is the pot seat, c is the pot, d is the bottom of the pot, e is the bottom of the storage box a, and f
is the hole, and g is the soil.

(Problem to be Solved by the Invention) Since the pot sheet b itself is very light, and the bottom d of the pot c is not flat but distorted, the pot sheet b can be stored as shown in FIG. When the pot sheet b is fitted into the box e, only a part of the bottom d of the pot sheet b comes into contact with the pot sheet b, and the other part is stored slightly raised from the bottom e of the storage box a. When soil was supplied to each pot c in this state, there was a defect in which the soil leaked from the through hole f formed in the bottom d of pot c.

(Means for Solving the Problem) Therefore, the present invention supplies soil to the moving pot sheet 2 on the horizontal transfer table 1 that transfers the drawer-shaped storage box 3 into which the pot sheet 2 is fitted from above. The soil supply device is equipped with rolls 34 that press both left and right sides of the pot sheet 2 into the storage box 3 in the supply section of the soil supply device, and the rolls 34 that press the left and right sides of the pot sheet 2 into the storage box 3 are provided in the vicinity of the left and right rolls 34. A plurality of pot sheet pressing rods 30 are provided parallel to the moving direction of the pot sheet 2, and the pot sheet pressing rods 3
0 and a pot sheet seeding device that supplies soil while elastically pressing it with a pressure roll 34, and
The plurality of pot sheet pressing rods 30 serve as a pot sheet seeding device located slightly above the left and right rolls 34.

(Embodiment) To explain one embodiment of the present invention with reference to the drawings, reference numeral 1 denotes a horizontal transfer table for transferring a storage box 3 containing pot sheets 2, and is formed long in the direction of transfer of the storage box 3 and is moved to a desired position. It is placed on the floor by the provided support legs 4,4.

The pot sheet 2 is made of a water-soluble paper material, and has a large number of pots 5 arranged in a vertical and horizontal manner.
Preferably, 16 pots 5 are arranged in parallel in the left and right direction,
Seventeen pieces are arranged in parallel in the front and rear direction, and two of these pieces are stored in the storage box 3. The storage box 3 is formed of synthetic resin or the like into a rectangular drawer shape with an open upper surface, and is formed at a depth to fit and store the lower half of the pot sheet 2. The storage box 3 is used only when sowing seeds on the pot sheet 2. Sow seeds with the pot sheet 2 stored in the storage box 3 from above, and after sowing, cover the pot sheet 2 with a seedling raising box from above and turn it over to use the pot sheet 2 to raise seedlings. Transfer to a box and allow to germinate.

6 is a transfer conveyor of the horizontal transfer table 1;
A storage box 3 containing pot sheets 2 is transferred to the lower side by a transfer conveyor 6. 7 is a belt of the transfer conveyor 6.

At the starting end 8 of the horizontal transfer table 1, there is formed a supply section 9 in which storage boxes 3 containing pot sheets 2 are placed one on top of the other and can be automatically supplied. The supply section 9 is formed by a fast forwarding device 10, a stopper 11, and the like. Fast forwarding device 1
0 is for continuously transferring the storage boxes 3 on the transfer conveyor 6 without gaps, and is constructed by providing a fast-feeding roller 12 at the starting end 8 of the horizontal transfer table 1.
The fast feed roller 12 is connected to the belt 7 of the transfer conveyor 6.
This is to catch up with the preceding storage box 3 by transferring it faster than the preceding storage box 3 is transferred.

The stopper 11 transfers only the lowest storage box 3 of the storage boxes 3 stacked on the supply section 9 to the lower side, and prevents the front ends of the storage boxes 3 on the second and higher levels from coming into contact with each other and transferring them. It is intended to do so. When viewed from the side, the stopper 11 is formed to have a low front side and a high slope at the rear side, and is provided with a support roller 13 for supporting the rear end while the storage box 3 is in contact with the stopper 11. The support roller 13 is provided higher than the rapid feed roller 12, and when the storage box 3 falls onto the transfer conveyor 6, it falls from its front end, and the front end of the storage box 3 is gradually separated from the stopper 11. Do it like this.

Reference numeral 14 denotes a pressure roller provided on the lower side of the stopper 11, which presses the bottom end 15 of the pot sheet 2 stored in the storage box 3 from above in order to bring it into close contact with the upper surface of the bottom plate 16 of the storage box 3. A soil covering supply device 17 is provided on the downstream side of the pressing roller 14. The covering soil supply device 17 supplies covering soil into each pot 5 of the pot sheet 2. The covering soil supply device 17 includes a supply hopper 18, a delivery belt 19, and a delivery amount adjustment device 20.
It is formed by etc.

A pressing device 21 is provided in the supply section of the soil covering supply device 17. A pair of support plates 2 are mounted on the left and right frames 22.
3 and 23 are provided. The support plate 23 is formed of a vertical plate, and has longitudinal elongated holes 24 and elongated holes 25 formed in the front and rear thereof. The lower ends of each of the elongated holes 24 and 25 are formed lower than the upper surface of the pot sheet 2 stored in the storage box 3.

Both ends of a rear support shaft 26 in the left-right direction are inserted into the rear elongated hole 24 . Both ends of the rear support shaft 26 are made to protrude outward from the support plates 23, 23, and one end of a spring 28 is locked to the protrusion. A nut 27 is provided on the support plate 23 above the shaft end of the rear support shaft 26,
The other end of a spring 28 is engaged with the nut 27, and the rear support shaft 26 is always urged downward.

Both ends of the front support shaft 29 are inserted into the elongated hole 25 . The front support shaft 29 is provided substantially parallel to the rear support shaft 26, and a pot sheet pressing rod 30 is fixed to the lower surfaces of the rear support shaft 26 and the front support shaft 29 in parallel with the transport direction of the storage box 3. The pot sheet pressing rods 30 are located on both left and right sides of the pot sheet 2 and at the center 3.
Place them side by side so that they can be pressed from above. The rear end part 31 of the pot sheet pressing rod 30 is made to protrude rearward beyond the press roll 34, and is bent upward when viewed from the side, thereby making it easy for the pot sheet 2 to slide into it.

A bearing 32 is provided on the upper surface of the left and right pot sheet pressing rods 30 between the rear support shaft 26 and the rear end portion 31, and the rotation shaft 33 of the pressing roll 34 is mounted on the bearing 32.
Pivotally attach both ends of the Both ends of the rotating shaft 33 protrude laterally from the bearing 32, and a pressure roll 34 is fixed thereto. The press roll 34 overlaps the belt 7 of the transfer conveyor 6 when viewed from above, and is provided above a pulley 35 that rotates the belt 7 when viewed from the side, and its lower surface is lower than the lower surface of the pot sheet press rod 30. Located slightly below.

A horizontal bar 37 in the left and right direction is fixed to the upper surface of the front end of the pot sheet pressing rod 30.

Reference numeral 36 denotes a guide. The guide 36 guides the storage box 3 transferred by the transfer conveyor 6 to the center position of the frames 22, 22 in the left-right direction, and is formed in a flat plate shape.
22 so as to protrude inward.
Reference numeral 38 denotes a piano wire installed horizontally in the discharge flow path of the covered soil below the feeding belt, and the piano wire 38 is used to spread the covered soil and cause it to fall. 40 is a seeding device provided on the lower side of the soil covering supply device 17, and the inclined axis center roll 4 has a spiral groove formed on the outer peripheral surface.
1 are arranged in parallel, and a seed supply hopper 42 is provided above the inclined axis center roll 41. 43 is a motor,
44 is a bed soil supply device. The bed soil supply device 44 is formed by a supply hopper 45, a delivery belt 46, a delivery amount adjustment device 47, and the like. 48 is a pressure roller provided on the downstream side of the bed soil supply device 44.

Note that a device having the same structure as the pressing device 21,
A plurality of pot sheets 2 may be provided at desired locations, such as on the upper side of the seeding device 40 or on the lower side of the soil supply device 44, where it is desired to press the pot sheet 2.

(effect) Next, we will discuss the effect.

The storage box 3 containing the pot sheets 2 is stacked and placed in the stopper 11 of the supply section 9 of the horizontal transfer table 1,
When the motor 43 is energized, the storage boxes 3 in the second and higher tiers of the stacked storage boxes 3 are stopped by the stopper 11, and only the lowermost storage boxes 3 are sequentially delivered. The delivered storage boxes 3 catch up with the preceding storage boxes 3 by the fast forwarding device 10, are continuously transferred on the transfer conveyor 6 without any gaps, and are pressed into the storage boxes 3 by the pressing rollers 14 before reaching the soil covering supply device 17. The pot seat 2 is once suppressed, and the pot seat 2
The lower end 15 of the storage box 3 is once brought into close contact with the bottom plate 16.

However, since the compression by the pressing roller 14 is temporary, 80% of the pot sheet 2 in the storage box 3 floats up again, passes under the soil covering supply device 17 in this state, and when it reaches the supply section of the soil covering supply device 17, it is stored. The tip of the pot sheet 2 in the box 3 lifts the rear end 31 of the pot sheet pressing rod 30 of the pressing device 21 and slides under it.

The pot seat pressing rod 30 is connected to the rear support shafts 26, 2.
9, and the rear support shafts 26, 2
9 is movable up and down in the elongated holes 24 and 25, and the spring 28 is locked to the rear support shaft 26, so the pot seat pressing rod 30 is attached to the rear support shaft 26.
Even if the pot sheet 2 inside the storage box 3 lifts the rear end 31 of the pot sheet pressing rod 30 upward, the lower end 15 of the pot sheet 2 is always urged downward by the front support shaft 29. is pressed so that it is in close contact with the

At the same time, the left and right sides of the pot sheet 2 fit under the pressure rolls 34, 34, and move forward while being pressed by the pressure rolls 34, 34.

In this state, each pot 5 of the pot sheet 2 in the storage box 3 is supplied with covering soil fed out by the feeding belt 19. Therefore, since the lower end 15 of the pot 5 is in close contact with the inside of the storage box 3, the covering soil will not leak from the through hole. Since the press roll 34 of the press device 21 is provided with its lower surface located several millimeters below the lower surface of the pot sheet press rod 30, the press roll 34 of the press device 21
By softening the pressing force and reducing resistance, storage box 3
is sandwiched between the press roll 34 and the pulley 35 from above and below, and is smoothly transferred to the downstream side.

Thus, the seeds are sown by the seeding device 40, and the bed soil is supplied by the bed soil supply device 44, and the sowing is completed.

(Effect) As mentioned above, the work of sowing pot sheets is
Fit the pot into a drawer-shaped storage box from above,
The storage box was supplied to a pot sheet sowing device, but the pot sheet b itself was very light, and the bottom d of the pot c was not flat but distorted. As shown, when pot sheet b is fitted into storage box a,
Only a part of the bottom d of the pot sheet b comes into contact with the pot sheet b, and the other part is stored slightly raised from the bottom e of the storage box a. When soil was supplied to each pot c in this state, there was a defect in which the soil leaked from the through hole f formed in the bottom d of pot c.

However, in the present invention, a soil supply device is provided on a horizontal transfer table 1 for transferring a drawer-shaped storage box 3 into which a pot sheet 2 is fitted from above, and which supplies soil to the pot sheet 2 during movement. The supply section of the soil supply device is provided with rolls 34 that press both left and right sides of the pot sheet 2 into the storage box 3, and a plurality of rolls 34 are installed near the left and right rolls 34 in parallel to the moving direction of the pot sheet 2. A pot sheet pressing rod 30 is provided, and the pot sheet pressing rod 3
0 and a pot sheet seeding device that supplies soil while elastically pressing it with a pressure roll 34, and
The plurality of pot sheet pressing rods 30 are positioned slightly above the left and right rolls 34 as a seeding device for pot sheets. Then, the lower end 15 of the pot sheet 2 is pressed so as to come into close contact with the bottom plate 16 of the storage box 3.

(b) In this state, each pot 5 of the pot sheet 2 in the storage box 3 is supplied with covering soil fed out by the feeding belt 19. Therefore, since the lower end 15 of the pot 5 is in close contact with the inside of the storage box 3, the covering soil will not leak from the through hole.

C. Since the press roll 34 of the press device 21 is provided with its lower surface positioned several millimeters below the lower surface of the pot sheet press rod 30,
The pressing force of the pot sheet pressing rod 30 is softened to reduce resistance, and the storage box 3 is sandwiched from above and below by a pressing roll 34 and a pulley 35, and is smoothly transferred to the downstream side.

This effect is achieved.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the main part, Fig. 2 is a plan view of the main part, Fig. 3 is a side view of the main part, Fig. 4 is a longitudinal side view of the main part, and Fig. 5 is a partial longitudinal section of the whole. A side view, FIG. 6 is a diagram of the operating state, and FIG. 7 is a diagram of the pot sheet stored in the storage box. Explanation of symbols, 1... Horizontal transfer table, 2... Pot sheet, 3... Storage box, 4... Support legs, 5... Pot, 6... Transfer conveyor, 7... Belt, 8...
Starting end part, 9... Supply part, 10... Rapid forwarding device, 11
... Stopper, 12 ... Rapid feed roller, 13 ... Support roller, 14 ... Squeezing roller, 15 ... Lower end, 16 ... Bottom plate, 17 ... Soil cover supply device, 18
... Soil cover supply hopper, 19 ... Feeding belt, 20
...Feeding amount adjustment device, 21...Press device, 22...
... Frame, 23 ... Support plate, 24 ... Elongated hole, 2
5...Elongated hole, 26...Support shaft, 27...Nut,
28... Spring, 29... Support shaft, 30... Pot seat pressing rod, 31... Rear end portion, 32... Bearing,
33...Rotating shaft, 34...Press roll, 35...
Pulley, 36...Guidance guide, 37...Horizontal bar, 3
8... Piano wire, 40... Seeding device, 41... Inclined axis roll, 42... Seed supply hopper, 43...
...Motor, 44... Feeding device, 45... Supply hopper, 46... Feeding belt, 47... Feeding amount adjustment device, 48... Pressing roller.

Claims (1)

[Scope of Claims] 1. A soil supply device for supplying soil to the moving pot sheet 2 is provided on a horizontal transfer table 1 for transferring a drawer-shaped storage box 3 into which a pot sheet 2 is fitted from above. In the supply section of the soil supplying device, rolls 34 are provided for pressing both left and right sides of the pot sheet 2 into the storage box 3, and in the vicinity of the left and right rolls 34 there are rolls parallel to the moving direction of the pot sheet 2. A plurality of pot sheet press rods 30 are provided, and the pot sheet press rods 30 and the press roll 3
A seeding device for pot sheets that feeds soil while pressing it elastically. 2. The pot sheet seeding device according to claim 1, wherein the plurality of pot sheet pressing rods 30 are positioned slightly above the left and right rolls 34.