JPH0360450B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a device for transplanting cultivation blocks, and more specifically, an apparatus that is optimal for transplanting blocks formed using members bent into a wave shape. It's about.

(Prior art and its problems) The present inventor has developed a cultivation block for the purpose of raising various seedlings including soybeans and adzuki beans, and has developed a cultivation block that can be used as a new nursery bed to replace the conventionally known paper pot. , invented a seedbed made of compacted bed soil, and these inventions were published in Japanese Patent Application Laid-Open Nos. 58-190326 and 1983-
Proposed as 172232.

The above-mentioned cultivation blocks are made by compressing and molding the bed soil into a columnar shape, and then covering the periphery of the bed soil except for the top and bottom surfaces with a pair of long continuous sheets of resin film on the left and right, and the sheets are then adhesively bonded to each other between the blocks. It is something to do. To raise seedlings using this block, the blocks formed in succession with sheets are placed in a seedling box, etc., one or two seeds are sown in each block, and after germination, the blocks are placed in the field together with the blocks. It is meant to be transplanted.

In the above invention, the block is covered with a resin film, and the transplanting machine has a complicated mechanism.
There were problems such as the resin film being discarded at the time of transplantation and requiring subsequent processing.

In view of the above-mentioned problems, the inventor of the present invention developed a method for manufacturing a cultivation block using a member obtained by bending the block into a wave shape, and proposed the method in Japanese Patent Application No. 60336/1983. This invention manufactures a cultivation block by inserting a partition member bent into a corrugated shape into a seedling raising box and filling the columnar space formed by the partition member with bed soil. At the time, blocks were taken out and planted for each partition member.

By the way, various types of seedling transplanting machines including rice transplanters are in practical use, but transplanters that mechanically plant cultivation blocks formed by corrugated members have not been proposed in the past. The emergence of a fully automatic transplant machine was awaited.

(Means for Solving the Problems) The present invention is intended to satisfy the above-mentioned needs, and its means include a machine body that is towed by a tractor or the like and rotates in conjunction with wheels that support the machine body. A first output shaft and a second output shaft are provided, and the first output shaft is connected to a pulley that rotates a block shelf formed by attaching an L-shaped shelf plate to each chain member of an endless chain. A spiral guide rod that rotates in conjunction with the block shelf is provided at the end of the block shelf, and the second output shaft has an end facing the end of the block shelf, and a pair of pulleys are connected to each other so as to be parallel to each other. It has a structure in which a conveyor belt whose parts are joined to each other is connected to a rotating pulley.

(Example) FIG. 1 is a plan view of the entire device, and FIG. 2 is a side view, in which the present device moves toward the right in the drawing to perform a transplant operation. Figures 3 and 4 show the main parts.
In addition, in FIG. 1, the left half in the direction of travel is omitted. Further, since this device travels by being towed by a tractor or the like (not shown), it does not include a drive mechanism for driving the device itself.

The fuselage 1 is provided with left and right transplant mechanisms 3, 3 on a support rod 2 that extends in the transverse direction. The machine body 1 is provided with an arm rod 4 on the outside of the transplantation mechanism 3, and a claw wheel 5 is mounted on the arm lever 4 via a main shaft 6, and the machine body 1 is supported by the claw wheel 5. At the same time, all parts of the transplanting mechanism 3 are driven by rotation of the clawed wheel 5. As mentioned above, one of the transplant mechanisms 3 is omitted in FIG. 1, but the clawed wheels 5 are also provided on the omitted transplant mechanism 3, so that the aircraft 1 can run stably. It's getting old.

The main shaft 6 of the clawed wheel 5 is inserted into a chain case 7 provided on the machine body 1.
A first output shaft 8 and a second output shaft 9 project toward the transplantation mechanism 3 from.

With reference to FIGS. 1 and 4, the first output shaft 8
is mounted on a gearbox 10 provided in the center of the machine body 1, and within the gearbox 10, a chain sprocket 11 provided on the first output shaft 8 and a drive shaft 12 are connected.
A chain 14 is installed between the first output shaft 8 and the chain sprocket 13, and the rotational force of the first output shaft 8 is transmitted to the drive shaft 12. Further, the drive shaft 12 changes its rotational direction via a universal joint 15 midway through, and is connected to a chain sprocket 16 provided at the center of the machine body.

A support body 17 is provided that slopes upward from the center of the machine body 1 toward the front (right side) of the machine body, and the chain sprocket 16 is installed on the lower side of the slope. On the other hand, driven-side chain sprockets are also provided in front (above) the support body 17, and the chain 18 is attached to these chain sprockets. Furthermore, shelf boards 19, 19 each having an L-shaped cross section are attached to each chain member of the chain 18, and in the portion where the chain 18 runs in parallel, the shelf boards 19, 19 are joined to each other to form a block shelf. 20 is formed.

A shaft 21 of a chain sprocket (not shown) provided at the upper end of the support body 17 projects upwardly, and is connected to an output shaft in a direction parallel to the chain 18 by bevel gears 22 and 23 provided on the projecting portion. The flexible shaft 2 is directly connected to the shaft of the bevel gear 23.
4, and furthermore, a spiral guide rod 26 is rotatably provided via a bearing portion 25. Note that the tip of the spiral guide rod 26 is located at the tip of the block shelf 20 and toward the center of the seedling conveyor belt, which will be described later (FIG. 4).

In FIGS. 3 and 4, columnar blocks 31, 31 formed by partition plates 30 bent into a wave shape are placed on the block shelf 20. Block 3
Seedlings 1 and 31 have already been germinated in the seedling box, and seedlings 32 and 32 have grown to a state where they can be transplanted. Reference numeral 33 denotes a retaining ring made of a soft material provided near the end of the block shelf 20 to prevent the blocks 31, 31 on the block shelf 20 from falling.

The pitch of the spiral guide rod 26 is the same as that of the block shelf 2.
This corresponds to the center of the blocks 31, 31 placed on the ground, that is, the distance between the seedlings 32, 32 sprouting from the blocks.

When the clawed wheels 5 rotate as the aircraft 1 moves,
The first output shaft 8 protruding from the chain case 7 rotates, and the drive shaft 12 rotates via the gear box 10. Further, the drive shaft 12 rotates the chain 18,
Along with this, the block shelf 20 rotates.

Blocks 31, 31 arranged in a row are placed on the block shelf 20 together with a partition plate 30.
By moving the block shelf 20, the blocks 31, 31
When the seedlings 32 move toward the end and reach the helical guide rod 26 at the end of the block shelf 20, the seedlings 32 are reliably fed out one by one by the spiral of the helical guide rod 26.

Next, the conveyor belt for transferring the blocks will be explained. Referring to FIGS. 1 and 3, the second output shaft 9 protruding from the chain case 7 is mounted on a frame 40 that supports the conveyance mechanism. Further, the second output shaft 9 has two sets of bevel gears 41, 41, 42, 42.
are provided, vertical shafts 43, 43 for changing the output direction in the vertical direction are provided passing through the shelf board 40a, and drive pulleys 44, 44 provided on the lower surfaces of the vertical shafts 43, 43 are further coupled. There is.

These driving pulleys 44, 44 are installed near the field, and driven pulleys 45, 45 are installed adjacent to the terminal end of the block shelf 20, and when viewed from the side, the conveyance becomes higher in the direction of movement. Belts 46, 46 are connected to a pair of pulleys 44, 45, 4
It is installed on 4,45. Conveyor belt 46,4
Reference numeral 6 denotes an endless belt made of a soft material and having a soft surface. Intermediate pulleys 47, 47 are provided between a driving pulley 44 and a driven pulley 45 to prevent the belt from sagging.

Moreover, the parallel parts of the conveyor belts 46, 46 are joined, and the seedlings 32 are transferred to the rear of the machine while being sandwiched between the belts.

A chain sprocket 48 is attached to the second output shaft 9.
A chain 50 is installed between the chain sprocket 48 and a chain sprocket 49 provided at the tip of the frame 40 (the rearmost end of the machine body). The spindle 51 of the chain sprocket 49 has two sets of bevel gears 52, 52, 53, 53.
are provided, and vertical shafts 54, 54 are provided that transmit the direction of rotation from the horizontal direction to the vertical direction. Further, drive pulleys 55, 5 are provided at the lower ends of the vertical shafts 54, 54.
5 is provided, and the conveyor belts 46, 46
Guide belts 58, 58 are provided between driven pulleys 56, 56 provided on the vertical shafts 43, 43 of the drive pulleys 44, 44, and the guide belts 58, 58 are detoured through intermediate pulleys 55, 55, 57, 57. There is.

Note that two pulleys are provided on the vertical shaft 43, and the pulleys 44, 44 to which the conveyor belts 46, 46 are attached are fixed to the shaft, and the guide belts 58, 5 are fixed to the shaft.
The pulleys 56, 56 equipped with 8 can rotate freely.

In addition, a grooving metal fitting 60 for forming a groove for transplanting the block below the machine body 1 is installed on the conveyor belt 4.
Soil covering wheels 61, 61 are provided below the conveyor belts 6, 46 and at the rear of the conveyor belt to collect soil in the grooves after the blocks have been transplanted. Furthermore, a shelf 62 is provided in the center of the machine body 1 on which a seedling raising box in which the blocks 31, 31 are formed is temporarily placed.

As mentioned above, when the aircraft 1 moves, the wheels 5 with claws
The rotation causes the first output shaft 8 to rotate, but at the same time, the second output shaft 9 also rotates.

When the vertical shafts 43, 43 rotate due to the rotation of the second output shaft 9 and the drive pulley 44 rotates, the conveyor belts 46, 46 clamp the seedling 32 of the block 31 separated from the block shelf 20, Moreover, they are transported one by one toward the rear of the aircraft at appropriate intervals. Since the grooving metal fittings 60 form grooves below the conveyor belts 46, 46, the blocks 31, 31 are dropped into the grooves.

On the other hand, the guide belts 58, 58 provided behind the conveyor belts 46, 46 do not clamp the seedlings 32, but prevent the seedlings from turning over until soil is covered with soil by the soil covering wheels 61, 61.

On the shelf stand 62 described above, a seedling raising box in which blocks are formed by the partition plates 30, 30 is placed, so that when the blocks on the block shelf 20 are consumed, the blocks are supplied seamlessly. The partition plates 30 are placed one row at a time. Note that the partition plate 30 detached from the block shelf 20 is left in the field, but it is collected during the work and reused.

(Effects of the Invention) The present invention transports blocks partitioned by partition plates bent into waveforms by placing them on block shelves, and securely transfers seedlings one by one using spiral guide rods. Since it has become possible to separate and port the aircraft, the porting work can be done fully automatically by simply moving the aircraft.

[Brief explanation of drawings]

Figure 1 is a plan view of the entire assembly with some parts omitted;
FIG. 2 is a side view of the same, FIG. 3 is a side view of the main part, and FIG. 4 is a perspective view showing a part of the block shelf and conveyor belt. 1... fuselage, 2... support rod, 3... porting mechanism,
4...Arm rod, 5...Wheel with claws, 6...Main shaft, 7...
...Chain case, 8...First output shaft, 9...Second
Output shaft, 10... Gearbox, 11, 13...
Chain sprocket, 12... Drive shaft, 14...
Chain, 15... Universal joint, 16... Chain sprocket, 17... Support body, 18... Chain, 1
9...Shelf board, 20...Block shelf, 21...Shaft,
22, 23...Bevel gear, 24...Flexible shaft, 25...Bearing portion, 26...Spiral guide rod, 3
0... Partition plate, 31... Block, 32... Seedling,
33... Presser ring, 40... Frame body, 41, 42...
Bevel gear, 43... Vertical shaft, 44... Drive pulley, 4
5... Driven pulley, 46... Conveyor belt, 47...
...Intermediate pulley, 48, 49...Chain sprocket, 50...Chain, 51...Support shaft, 52,53
... Bevel gear, 54 ... Vertical shaft, 55 ... Drive pulley, 56 ... Driven pulley, 57 ... Intermediate pulley,
58... Guidance belt, 60... Grooving metal fittings, 61
...Tsuchikawa, 62...Shelf stand.

Claims (1)

[Claims] 1 The aircraft is towed by a tractor, etc., and the first motor rotates in conjunction with the wheels that support the aircraft.
An output shaft and a second output shaft are provided, and the first output shaft is connected to a pulley that rotates a block shelf formed by attaching an L-shaped shelf board to each chain member of an endless chain, and the block shelf A spiral guide rod that rotates in conjunction with the block shelf is provided at the terminal end of the shaft, and the second output shaft faces the terminal end of the block shelf, and a pair of pulleys are joined to each other so that the parallel portions are A transplanting machine characterized by connecting mutually joined conveyor belts to a rotating pulley.