JPH0629922Y2 - Nursery box transfer device - Google Patents

Description

[Detailed Description of the Invention] (a) Field of the Invention The invention is, for example, to transfer a seedling raising box supplied from a seeding plant to a germination trolley, or to cope with the growth of paddy rice seedlings. The present invention relates to a seedling raising box transfer device for transferring the seedlings to a green truck.

(B) Background of the Invention A device for transferring the above-mentioned seedling raising box is disclosed in JP-A-62-115.
There is a device of No. 213.

This transfer device, the seedling raising box sequentially supplied from the seeding plant in the previous stage of the device, drives the lift of the storage mechanism to store a few boxes, and pushes the rear surface of this stored seedling raising box with a pusher,
In order from the upper shelf part of the germination trolley arranged at the box transfer position,
This germination cart is moved up and down by a lift mechanism to transfer the seedling raising box to the lower shelf.

However, since the above-mentioned nursery boxes are sequentially lifted up by the storage mechanism, the lifted-up nursery boxes are close to each other in the vertical interval, and after pushing the pusher to transfer the nursery boxes to the germination trolley, this pusher During the reciprocating movement until returning to the initial position on the rear of the nursery box, the pusher could not be lifted up to lift the nursery box, and during this time, the storage mechanism was stopped and the seeding plant in the previous stage of the device was also stopped. Therefore, there is a problem that the operation efficiency of the seeding plant is deteriorated.

In addition, since the transfer of the above-mentioned nursery box is carried out at a high speed in order to efficiently transfer it, the floor soil laid inside the nursery box will be offset due to the reaction during transfer, and it will be lifted up by the storage mechanism. When transferring the seedling raising boxes to the germination trolley, the whole germination trolley is moved up and down by the lift mechanism, and the seedling raising boxes are transferred in order from the upper shelf part. Not only does it require space, but the more difficult it is to lift and lower the seedling raising boxes, the more likely there is a danger of the germination cart falling over or the seedling raising boxes falling.

(C) Purpose of the invention This invention has a peculiar structure in which a predetermined number of nursery boxes lifted up by the first lift are temporarily transferred to the second lift, and then the second lift is moved up and down and transferred to the trolley. By doing so, the transfer equipment can be operated continuously to transfer the nursery boxes to the trolley efficiently, and the transfer equipment does not have to be large-scale and the equipment can be easily installed. For the purpose of providing.

(D) Configuration of the Invention In this invention, a first lift for sequentially lifting the seedling raising boxes supplied from the former stage of the apparatus to the box storage position on the upper side of the apparatus is provided, and the first raising lifts the seedling raising boxes. And a transfer means for collectively transferring the once-stored seedling raising boxes to the loading rack of the second lift at the box storage position of the first lift. A second lift for raising and lowering the loading rack is provided at a box storage position of one lift and a position facing the box storage rack of the trolley moved to the box transfer position, and the seedling raising on the loading rack of the second lift is performed. A seedling raising box transfer device provided with transfer means for collectively transferring the boxes to the box storage shelves of the trolley and transfer means for moving the trolley to the box transfer position of the second lift. Is characterized by.

(E) Action of the device In this device, the supplied nursery boxes are sequentially lifted up by the first lift to temporarily store a predetermined number of nursery boxes at the box storage position on the upper part of the device. After raising and lowering the loading rack of the second lift to the opposite horizontal position and collectively transferring the seedling raising boxes at the box storage position to the loading rack by the transfer means, the second lift is opposed to the box storage rack of the trolley. To the horizontal position,
The seedling raising boxes on the second lift are collectively transferred to the box storage rack of the trolley by the transfer means, and the transfer operation is continuously performed by sequentially driving the respective elements.

(F) Effect of the Invention According to this invention, the first lift is provided with an idle feed portion to intermittently lift up a predetermined number of seedling raising boxes, so that the idle feed portion is used to lower the first lift 1 ~ 2 boxes of nursery boxes can be stored, and even while the pusher reciprocates, the transfer equipment is continuously operated to efficiently transfer the nursery boxes of the trolley to transfer them. The efficiency of can be improved.

Moreover, since the above-mentioned nursery box side is moved up and down and transferred to the box storage shelf of the trolley, there is no risk of the trolley falling over, the transfer equipment does not become large scale, and the trolley moves and moves. Since it is possible to supply and discharge easily.

Furthermore, by providing the above-mentioned first lift with an idle feed section, the transfer speed of the nursery box can be increased, and the nursery box can be transferred from the first lift to the second lift at a low speed. It is possible to prevent the soil such as floor soil laid inside from being offset.

(G) Embodiment of the Invention One embodiment of the invention will be described in detail below with reference to the drawings.

The drawing shows the nursery box transfer device that transfers the nursery box to the trolley.
In FIG. 1 and FIG. 2, the seedling raising box transfer device 1 is
Conveyor belt 2 from the seeding plant (not shown) in the previous stage of the device
The seedling raising boxes 3 sequentially conveyed by (1) are sequentially lifted up by a first lift 4 arranged at the rear side of the conveyor belt 2 on the conveying side.

The above-mentioned conveyor belt 2 is stretched between the pulleys 6 and 7 axially supported at the front and rear stages of the conveyor 5, and is fixed to the side of the conveyor 5 and the sprocket 8 fixed coaxially with one pulley 6. The belt 11 is stretched around the sprocket 10 of the drive motor 9 and rotated by the drive force of the drive motor 9 toward the first lift 4 side.

In the seedling raising box 3 described above, in a sowing plant (not shown), bed soil (or rock fiber seedling mat impregnated with fertilizer) is laid inside the seedling raising box 3 and seeded and covered with soil. , Is irrigated.

The first lift 4 described above stretches two chains 12 and 12 in parallel in the vertical direction on both sides of the conveying belt 2 on the rear side on the conveying side. The L-shaped hooks 13 are placed in parallel at equal intervals in the vertical direction on which the seedling raising boxes 3 are placed, and the vertical spacing of each pair of four hooks is set to, for example, 2 boxes. The boxes 3 are installed in the lengthwise direction of the chain 12 at intervals so that the boxes 3 can be fed in an idle manner.

Each of the above-mentioned chains 12 is stretched between a lower sprocket 14 axially supported below the transport surface of the transport base 5 and an upper sprocket 15 axially supported above the apparatus, and one upper sprocket 15 and the same support shaft 16 are supported. Sprocket 1 fixed on top
7 and a sprocket 19 of a drive motor 18 fixed to the upper part of the device, a chain 20 is stretched, and the drive motor 1
The upper sprocket 15 is rotated by the driving force of 8, and the upper sprocket 15 fixed to the other support shaft 16 is rotated in the same direction in the opposite direction via the bevel gear mechanism 21 meshed with the shaft end. That is, the chains 12, 12 on both sides are circulated upward inward.

After the seedling raising box 3 is lifted up to the box storage position above the first lift 4 described above, the second lift 22 arranged at the rear stage on the transport side.
Are collectively transferred to the stacking rack 23 by the pusher 24.

The pusher 24 is attached to the tip of the cylinder rod of an air cylinder 25 fixed in the conveying direction above the device.
The flat part of the second raising unit 22 is fixed so as to face the rear surface of the nursery box 3, and the loading rack 2 of the second lift 22 is moved from the box storage position above the first lift 4.
It is provided so that it can reciprocate in the box transfer direction to 3.

As shown in FIG. 2 and FIG. 3, the above-mentioned second lift 22 stretches two chains 26, 26 on the left side in the conveying direction in parallel in the vertical direction, and on the respective chains 26, 26. The loading shelf 23 for loading the nursery box 3 is fixed.

Each of the chains 26, 26 described above is stretched between a lower sprocket 27 axially supported on the lowermost part of the device and an upper sprocket 29 axially supported on the upper part of the device rather than the loading height of a carriage 28, which will be described later, and is coaxial with the upper sprocket 29. The chain 33 is stretched around the sprocket 30 fixed on the upper side and the sprocket 32 of the drive motor 31 fixed on the upper part of the apparatus, and the driving force of the drive motor 31 rotates the chain 26 in the forward and reverse directions to thereby perform the first lift. 4 Box storage position on top and trolley 28
Of the guide rollers 34 that are moved up and down to the box transfer position facing the box storage shelves 28a and are pivotally attached to the side of the loading shelves 23 ...
Thus, the guide rail 35 installed in the ascending / descending direction is sandwiched to guide the ascending / descending.

The loading rack 23 described above is provided on the box storage position side of the first lift 4,
The box transfer position side where the seedling raising boxes 3 are transferred to the trolley 28 is opened, and the racks 23a ... Are formed at equal vertical intervals so that a predetermined number of seedling raising boxes 3 can be stacked.

The seedling raising boxes 3 on the above-mentioned loading shelves 23 are collectively transferred to the trolley 28 arranged at the box transfer position by the pusher 36 arranged at the back of the box transfer direction of each shelf 23a. Pusher 3
6, the comb-shaped arms 36a formed at the ends are inserted between the shelves 23a, and the base ends are fixed on a chain 37 stretched on the sides.

The above-mentioned chain 37 is stretched between sprockets 38, 38 pivotally supported on the front and rear parts of the side of the loading shelf 23, and a sprocket 39 fixed coaxially with one of the sprockets 38.
And the sprocket 4 of the drive motor 40 fixed to the same side
A chain 42 is stretched over 1 and the pusher 36 is reciprocated in a direction to transfer the seedling raising box 3 on the loading shelf 23 to the trolley 28 side.

As shown in FIG. 3, the dolly 28 described above is capable of stacking the seedling raising boxes 3 on the base 43, and the box storage shelves 2 of several stages are arranged at equal intervals in the vertical direction.
8a are formed, and a total of four casters 44 are pivotally attached to the lower surface of the base 43, and travel along the rails 46, 46 laid on the installation surface 45.

Then, a chain 48 is stretched between the sprockets 47, which are axially supported in the middle of both ends of the rails 46, 46,
The chain 52 is stretched around the sprocket 49 fixed coaxially with the sprocket 47 on the box transfer position side and the sprocket 51 of the drive motor 50 fixed to the lower part of the installation surface 45, and rotated, so that the chain 48 is evenly spaced. By engaging a locking piece 53 attached to the lower surface of the base 43 with a locking portion (not shown) provided, the carriage 28 is moved along the rails 46, 46 to move the carriage 28 to the box transfer position. The car will automatically move up to.

The operation will be described below assuming that the illustrated embodiment is configured as described above.

As shown in FIG. 1, for example, a seeding plant (not shown)
When the seedling raising boxes 3 are sequentially supplied from the conveyor belt 2, the first
When the limit switch (not shown) arranged at the lift-up position of the lift 4 is contacted, the first lift 4 is driven based on the signal of this switch to sequentially lift up the seedling raising box 3 and place it at the box storage position. The first lift 4 is stopped at a predetermined position by detecting the position of an installed photoelectric sensor (not shown), and four seedling raising boxes 3 are temporarily stored at the box storing position.

Next, the loading rack 23 of the second lift 22 is moved up and down to a position horizontal to each nursery box 3 in the box storage position, and stopped at a predetermined position by detecting the position of a photoelectric sensor (not shown) arranged on the side. After that, each pusher 24 is driven to drive each shelf 23 of the loading shelf 23.
Transfer the nursery box 3 to a.

On the other hand, by utilizing the idling part of the first lift 4, the next seedling raising box 3 is transported by the transport belt 2 to the lift-up position below the first lift 4, and at the same time when the transfer is completed, the pusher 24 is moved to the initial position. While returning to, the first lift 4 sequentially lifts up the seedling raising box 3.

Next, by driving the second lift 22, the loading shelf 23 is moved up and down to a position horizontal to the box storage shelves 28a at the lower or upper part of the trolley 28, and the position detection of a photoelectric sensor (not shown) arranged on the side is performed. After stopping every four steps by, the pusher 36 is driven in the transfer direction to transfer the four seedling raising boxes 3 to the box storage shelves 28a of the carriage 28 at once.

On the other hand, the loading shelf 23 returns to the box storage position of the first lift 4 and stands by.

The carriage 28 has, for example, two nursery boxes 3 in the front width direction.
After loading 20 stages in a row, the carriage 28 is moved to load the seedling raising boxes 3 in the same manner in the rear width direction.

When a predetermined number of seedling raising boxes 3 are loaded on the trolley 28, the chain 48 stretched around the installation surface 45 is rotated to eject the loaded trolley 28, and the next trolley 28 is moved to the second lift. The work is transferred to the box transfer position 22 to be automatically supplied, and the transfer operation of the seedling raising box 3 is continuously performed.

In this way, the empty feeding part of the first lift 4 is used to convey the next nursery box 3 to the lift-up position, and at the same time, the nursery box 3 is sequentially lifted up while the pusher 24 reciprocates, so that 1 to the lower part of the first lift 4 using the feeding part
It is possible to store 2 nursery boxes 3 and pusher 24
Even during the reciprocating movement, for example, the transfer equipment such as a seeding plant is continuously operated without stopping, the seedling raising boxes 3 are transferred to the carriage 28 sequentially and efficiently, and the transfer work efficiency is improved. You can improve.

Moreover, since the above-mentioned seedling raising box 3 side is moved up and down and transferred to the box storage shelf 28a of the carriage 28, there is no risk of the carriage 28 falling down, it is safe, and the transfer equipment does not become large-scale.
Further, since the carriage 28 is moved to the box transfer position, supply and discharge can be easily performed.

Further, by providing the above-mentioned first lift 4 with an idle feed portion, the transfer speed of the seedling raising box 3 can be afforded, and the seedling raising box 3 can be transferred from the first lift 4 to the second lift 22 at a low speed. For example, it is possible to prevent the soil such as the floor soil laid in the nursery box 3 from being offset.

The transfer means that constitutes this invention is the air cylinder 2
5 and pusher 24, pusher 36, each chain 3
7, 42, each sprocket 38, 39, 41, and the drive motor 40. The moving means is a caster 44 pivotally mounted on the base 43, a locking piece 53, a rail 46, each sprocket 47, 49, 5
1, the respective chains 48, 52, and the drive motor 50 are supported, but the present invention is not limited to the configuration of the above-described embodiment.

For example, the configuration shown in FIG. 4 and FIG. 5 shows another embodiment in which pushers 36, 36 are vertically provided on both sides of the above-mentioned loading rack 23, and the chains 37, 37 stretched on both sides of the upper part are provided. The pushers 36, 36 are vertically installed, and the driving force of the drive motor 40 causes the chain 42 and the sprockets 39, 41
Rotate each chain 37, 37 through each pusher 3
6, 36 is configured to reciprocate in the transfer direction, and the loading shelf 23
The above seedling raising box 3 may be collectively transferred to the trolley 28 side, and by using the seedling raising box transfer device 1 of the present invention, a germination trolley can be used for a greening trolley having a shelf interval corresponding to the growth of paddy rice seedlings. The nursery box 3 may be transferred.

[Brief description of drawings]

 The drawing shows one embodiment of the present invention, Fig. 1 is a plan view of a nursery box transfer device, Fig. 2 is a vertical side view of the nursery box transfer device, and Fig. 3 is an operation explanatory diagram of the second lift, FIG. 4 is a front view of a loading rack showing another box transfer means, and FIG. 5 is a side view of the loading rack shown in FIG. 1 ... Seedling box transfer device, 3 ... Seedling box 4 ... First lift, 13 ... Hook 22 ... Second lift, 23 ... Loading rack 23a ... Shelf, 24, 36 ... Pusher 28 …… Car, 28a …… Box storage shelf

Claims (1)

[Scope of utility model registration request] 1. A first lift for sequentially lifting the seedling raising boxes supplied from the former stage of the apparatus to a box storage position on the upper side of the apparatus, and suspending a predetermined number of seedling raising boxes for the first lift. And a transfer means for collectively transferring the once-stored seedling raising boxes to the loading rack of the second lift at the box storage position of the first lift. A second lift for raising and lowering the loading rack is disposed at a position and a position facing the box storage rack of the truck that has been moved to the box transfer position, and the seedling raising box on the loading rack of the second lift is used as the truck. The seedling raising box transfer device provided with transfer means for collectively transferring to the box storage shelves, and transfer means for moving the cart to the box transfer position of the second lift.