JPS63262333A - Recovery device for carrying truck - Google Patents

Abstract

PURPOSE:To conduct movements smoothly when a carrying truck is received into a transfer device and when the carrying truck is released from the transfer device by providing a guide cam device which turns the transfer device around a shaft center in the moving direction of the carrying truck. CONSTITUTION:A transfer device 32 reaches a recovery portion 31 by self- propulsion. On this occasion, when the transfer device 32 is located on the terminal end side of a supply conveyer 23, the roller 64 of a support body 53 fits into the lower level guide groove 62 of a guide cam device 33, and so as to receive a carrying truck 8 easily, the support body 53 turns around the shaft center of a rotary shaft 52 and inclines in such a way that the tip side of the carrying direction of the carrying truck 8 falls downward. When the roller 64 comes to a center level guide groove 61, the support body 53 becomes horizontally poised. When the roller 64 comes to an upper level guide groove 63, it turns around the shaft center of the rotary shaft 52 and inclines so as to make an easy release, in such a way that the side to the recovery portion 31 of the carrying truck 8 falls downward, and the carrying truck 8 is released to the recovery portion 31 and propels itself under its own weight.

Description

[Detailed description of the invention] "Industrial application field" The present invention relates to a recovery device for a transport vehicle.

"Prior Art" Normally, the cloak-shaped surface used for planting seedlings with a rice transplanter is grown in a seedling nursery facility. To grow mat-shaped seedlings in a seedling facility, empty seedling boxes are stacked up, the boxes are fed one by one to the seeding conveyor line, filled with soil, watered, sown, covered with soil, and the seedlings are raised. The boxes are stacked, placed in a germination chamber, heated and humidified with steam for 2 to 3 days in the germination chamber, and then germinated. The seedling boxes containing the stacked and germinated seedlings are placed one by one by a worker in a greening shelf and the seedlings are placed in the germination chamber. We are greening the area.

``Problems that the invention seeks to solve'' Most of the work in seedling facilities is automated, but
It is time-consuming for a worker to place seedling boxes containing stacked and germinated seedlings one by one into a greening shelf, reducing work efficiency in a seedling-raising facility.

``Means to be solved by the invention'' In view of the above circumstances, in order to improve work efficiency at seedling facilities, seedling boxes containing stacked and germinated seedlings are automatically loaded onto a greening cart with multi-tiered shelves. A multi-stage loading device for seedling boxes will be installed.

The present invention is a device for collecting seedling boxes in which seedling boxes containing stacked and germinated seedlings are separated, in the multi-stage loading device for seedling boxes, wherein the device is arranged between a supply conveyor of the transfer cart and a recovery section of the transfer cart. A transfer device for discharging the transport vehicle from the supply conveyor to the receiving and collecting section is provided so as to be reciprocally movable, and the transfer device is moved around the axis in the moving direction of the transport vehicle when receiving the transport vehicle on the supply conveyor and discharging it to the collection section. This is a recovery device for a transport vehicle equipped with a rotating guide cam device.

"Function" The transfer device that transfers the transport vehicle rotates in the moving direction of the transport vehicle when receiving the transport vehicle from the supply conveyor, and rotates in the direction of movement of the transport vehicle to receive the transport vehicle, and when releasing the transport vehicle to the recovery section, rotates in the direction of movement of the transport vehicle. Rotates in the direction of movement and releases the carrier.

"Example" First, the outline of the seedling raising facility will be described using Figure 8.

Stack the empty seedling boxes 1 and move them to the seeding conveyor line 2.
The seedling raising boxes 1 are supplied one by one to the upstream side of the seedling raising box 1, the bed is placed in the seedling raising box 1 from the hopper 3, water is applied from the sprinkler 4, seeds are sown from the hopper 5, soil is covered from the hopper 6, and the seedling raising box 1 is The seeds are stacked in a stacking room 7, placed on a carrier 8, placed in a germination room 9, and heated and humidified with steam for 2 to 3 days in the germination room 9 to germinate. Seedling boxes l... that accommodate the stacked and germinated seedlings are loaded onto a greening cart 1 using a multi-tiered seedling box loading device 1).
2 at predetermined intervals, and the seedlings are greened in a shelf nursery room 13.

Next, the outline of the multistage seedling box loading device 1) will be described with reference to FIG.

The multi-stage seedling box loading device 1) is a seedling box loading device 1) that loads seedling boxes 1, 1, and 1 on a transport vehicle 8 carrying seedling boxes 1, which accommodate stacked and germinated seedlings.
..., the separation section A of the transport vehicle 8, and the stacked seedling growing boxes 1.
A sending section B that sends out ... boxes one by one, a shelf conveyor 14 that receives the seedling boxes 1 transferred box by box and ascends one step at a time, and a greening cart that receives the seedling boxes 1 from the shelf conveyor 14. 12 and the seedling box L from the shelf conveyor 14...
It consists of a bushing 15 for pushing out seedlings, and a transport vehicle recovery device C for recovering the transport vehicle 8 from which the seedling raising boxes 1 . . . containing the stacked and germinated seedlings have been separated.

A transport vehicle 8, which is equipped with wheels 22 on a small rectangular frame 21 on which the stacked seedling growing boxes 1 are placed, moves on a supply conveyor 23 and reaches the separating section A of the seedling growing boxes 1. Then, the chain conveyor 24 is raised by the cylinder inside the frame 21 of the transport vehicle 8, and the stacked seedling growing boxes 1 are lifted until they are flush with the sending part B, and then stopped, and the chain conveyor 2
4 to move the seedling raising boxes 1 to the sending section B.

Next, raise the conveyor slightly to lift the stacked seedling growing boxes 1..., activate the locking claws to lock the second seedling growing box 1 from the bottom, and then lift the stacked seedling growing boxes 1... ...Keep the above. Thereafter, the conveyor descends with only one box, the seedling growing box 1 at the bottom. ! Seedling box 1 with separate bottom end
is transferred by a conveyor and received on a shelf conveyor 14 equipped with a flap. If one seedling box 1 is placed on the shelf conveyor 14, one
Go up a stage, and if you step on one box, go up another stage and stack 15 seedling boxes l at predetermined intervals.

When 15 seedling boxes 1 are piled up, all 15 boxes are pushed out by pushers 15 and delivered to a waiting greening cart 12 having shelves set out at predetermined intervals.
A total of 60 boxes of seedling growing boxes 1 are loaded in 4 rows, and for this purpose, the greening cart 12 is lifted to the same height as the workbench using a lifter, and the greening cart 12 is moved to the vicinity of the shelf conveyor 14 and stopped. A sensor detects whether or not there is a seedling box 1 in front of the greening cart 12, and when there is no seedling box 1, the seedling box l is moved to the far side of the greening cart 12. Activate the pusher 15 with a long push stroke to push the seedling raising box 1..., and the seedling raising box l... moves into the greening cart 1.
When the sensor detects that it is on the far side of 2,
The pusher 15 pushes the seedling raising box 1... into the front side of the greening cart 12 first toward the far side with a short stroke.
Greening trolley 1 that is pushed in with a predetermined interval between...
When two rows of seedling boxes 1... are placed in the far side and the front side in front of the greening cart 12, the sensor detects this and advances the greening cart 12 by one pitch and then stops, and the greening cart 12 is moved backward in the same way as the front. Two rows of seedling growing boxes l... are housed on the far side and the near side. The greening cart 12 containing four rows of seedling boxes 1 is moved and lowered.

Next, the transport vehicle recovery device C of the present invention will be described in detail.

As shown in FIG. 1, the transport vehicle collection device C includes a supply conveyor 23 of the transport vehicle 8, a collection section 31 arranged parallel to the supply conveyor 23, and a space between the supply conveyor 23 and the collection section 31. a transfer device 32 that reciprocates;
is comprised of an indoor cam device 33 that rotates the transport vehicle 8 about its axis in the transfer direction when receiving the transport vehicle 8 from the supply conveyor 23 and when discharging the transport vehicle 8 to the collection section 31.

As shown in FIGS. 1 and 2, the supply conveyor 23 is constituted by a chain conveyor 36 installed at the bottom of a guide groove 35 formed by slightly separating guide plates 34 and 34, and driven by a motor 37. At the end of the supply conveyor 34, as shown in FIGS. 1, 3 and 4, a chain conveyor for lifting seedling boxes 1 etc. is installed between the chain conveyors 36, 36 and perpendicularly to the chain conveyors 36, 36. 24 and 24 are arranged and can be raised and lowered by a lift cylinder 38. Reference numeral 39 is a guide rod.

As shown in FIGS. 1 and 5, the collection section 31 is parallel to the supply conveyor 34, and has two horizontally parallel guiding rails 41, 41 inclined, and allows the carrier 8 to self-propel under its own weight.

As shown in FIGS. 1, 6, and 7, the transfer device 32 automatically moves over a guide frame 51 arranged perpendicularly to the supply conveyor 34 and the collection section 31 between the terminal end of the supply conveyor 34 and the start end of the collection section 31. move back and forth. A rotating shaft 52 is disposed on the upper part of the transfer device 32 in the longitudinal direction of the guide frame 51, that is, in a direction perpendicular to the moving direction of the supply conveyor 23 and the transport vehicle 8 of the collecting section 31. support 5
3 is provided swingably, and a transport carriage 8 is provided at the end of the support body 53.
A stopper 52 is provided to stop the device when it is received.

The guide cam device 33 is arranged at the upper part of the guide frame 51 side, and has a central horizontal guide groove 61 in the center thereof, a lower horizontal guide groove 62 on the terminal end side of the supply conveyor 23, and an upper horizontal guide groove on the starting end side of the collection section 31. 63 are carved in series, and the rollers 64 protruding from the ends of the conveyance carriage 8 are fitted into the guide grooves 61, 62, and 63.

Next, the operation of the present invention will be explained.

The transport cart 8 carrying the stacked seedling boxes 1...
It is placed on the supply conveyor 23 by the operator, and the motor 3
7 is activated, the chain conveyor 36 is driven, and the transport vehicle 8 reaches the separating section A from the seedling raising boxes 1 .

When the transport vehicle 8 reaches the separating section A, the lift cylinder 3
8 is activated, the chain conveyor 24 rises until it is flush with the delivery section B, and then stops. The chain conveyor 24 is driven and conveys the stacked seedling growing boxes 1 to the sending section B.

The carriage 8 remaining in the separation section A is pushed out by the next carriage 8, and the carriage 8 rides on the support body 53 of the waiting transfer device 32 and stops at the stopper 54. Then, the transfer device 32 travels by itself and reaches the recovery section 31. At this time, when the transfer bag 232 is located at the terminal end of the supply conveyor 23, the rollers 64 of the support body 53 fit into the lower horizontal guide groove 62 of the guide cam device 33, and the transfer bag 232 is supported so as to easily receive the conveyor cart 8. The body 53 rotates around the axis of the rotating shaft 52 and is tilted so that the leading end side in the conveyance direction of the conveyance carriage 8 falls in the opposite direction. When the roller 64 reaches the central horizontal guide groove 61, the support body 53 assumes a horizontal position. When the roller 64 reaches the upper horizontal guide groove 63, it rotates around the axis of the rotating shaft 52 to facilitate release, and the side of the transport vehicle 8 closer to the collecting section 31 is tilted downward so that the transport vehicle 8 8 is discharged to the recovery section 31 and moves by itself due to its own weight. The transfer device 32 that has released the carrier 8 moves by itself to the terminal end of the supply conveyor 23 and returns.

"Effects of the Invention" As described above, the present invention provides a reciprocally movable transfer device between the supply conveyor of the transport vehicle and the collection section of the transport vehicle, which discharges the transport vehicle from the supply conveyor to the receiving and collection section.
The system is equipped with a guide cam device that rotates the transfer device around the axis in the moving direction of the transfer vehicle when receiving the transfer vehicle from the supply conveyor and when discharging it to the collection section, so that the transfer vehicle can be received by the transfer device. In addition to being able to operate smoothly when discharging from the transport device, the transport vehicle can be automatically retrieved.

[Brief explanation of drawings]

Figures 1 to 7 show a specific embodiment of the present invention, in which Figure 1 is a schematic plan view of the recovery device for the transport vehicle, Figure 2 is a side view of the supply conveyor, and Figure 3 is a side view of the supply conveyor. FIG. 4 is a side view of FIG. 3, FIG. 5 is a side view of the transfer device and recovery section, FIG. 6 is a side view of the transfer device and guide cam device, and FIG. 7 is a side view of the chain conveyor section. FIG. 6 is a front view, FIG. 8 is a schematic longitudinal sectional front view of the seedling-raising facility, and FIG. 9 is a schematic plan view of the multi-stage loading device for seedling-raising boxes. 8... Transport vehicle 23... Supply conveyor 31... Recovery section 32... Transfer device 33... Guide cam device

Claims (1)

[Claims] (1) A transfer device is provided between the supply conveyor of the transport vehicle and the collection section of the transport vehicle to allow the transport vehicle to be reciprocally moved to receive and release the transport vehicle from the supply conveyor to the collection section. A recovery device for a conveyance vehicle, characterized in that it is provided with a guide cam device that rotates the transfer device around its axis in the direction of movement of the conveyance vehicle when discharging to the transport vehicle.