JPS61239824A - Stacker of seedling growing box - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention involves a series of sowing operations such as placing the seedlings on the bed, sowing, and covering the seedlings with soil. , relates to a seedling box stacking device for stacking seeded seedling boxes in a seedling facility that promotes seed germination by controlling humidity and the like.

[Prior art]

As a stacking device for such seedling boxes,
As described in Publication No. 2205, etc., there is a device that sequentially stacks the transported seedling growing boxes on the underside of the seedling growing box, or as described in Publication No. 56-2678, the seedling growing boxes are transported on the top side of the seedling growing box. Various devices have been developed, including devices for stacking seedling boxes one after another.

[Problem that the invention seeks to solve]

In a device that sequentially stacks transported seedling growing boxes on top of the seedling growing boxes, the stacked seedling growing boxes must be lowered one after another, and in order to stack a large number of seedling growing boxes, the installation surface of the device must be dug down. There was a problem that the installation was troublesome.

[Means for solving problems]

The present invention has been made in view of the above circumstances, and its purpose is to provide a stacking device that has a simple structure and can sequentially stack a large number of seedling boxes on top of each other.

The present invention provides a stacking device for seedling growing boxes that stacks seedling growing boxes that have been sown, and a conveying device that is tilted so that the terminal end faces upward and that sequentially transports the seedling growing boxes that have been sown;
A lifting platform is disposed on the side of the terminal end of the conveying device, and seedling raising boxes, which are disposed opposite to the lifting platform at the terminal end of the conveying device and are being conveyed in sequence, are successively pushed upwards of the lifting platform and transferred to the lifting platform. The device is equipped with a pushing device to lower the lifting platform on which the seedling-raising boxes are transferred by the pushing device, and repeats the operation of stacking the seedling-growing boxes to be conveyed to the next layer above the seedling-growing boxes by the pushing device. It is characterized by what it did.

〔Example〕

The present invention will be described below based on drawings showing embodiments thereof.
I will explain. FIG. 1 is a plan view of the 81 heavy equipment according to the present invention, and FIG. 2 is an elevational view of the same.
Reference numeral 1 denotes a belt conveyor, whose terminal end is inclined so as to be above the starting end, and a seedling raising box 10 that has undergone a series of sowing processes such as placing on the floor, sowing, and covering with soil is sequentially conveyed by a seeding device.

A starting end of a belt conveyor 12 extending to one side is connected to the vicinity of the starting end of the belt conveyor 11, and the belt conveyor 12 is bent in the middle, and its terminal end is connected to the belt conveyor 12. 11, and the terminal end thereof is inclined so that the terminal end is on the upper side, similar to the belt conveyor 11. A distribution rod 13 is disposed on the side of the belt conveyor 11 that is connected to the start end of the belt conveyor 12 and faces the start end of the belt conveyor 12 . The distribution rod 13 is pivotally supported at its upstream end, and by rotation of the other end, the distribution rod 13 reaches a position parallel to the belt conveyor 11 and blocks the conveyance area of the belt conveyor 11. It is set at a position connected to the starting end of the other belt conveyor 12 and connected to the conveyance area of the belt conveyor 11. A pushing device 20, 20 is arranged at one end of each belt conveyor 11, 12, respectively.

The pushing device 20 includes an air cylinder 21 whose advancing direction is toward the center of the conveyance direction of the belt conveyor 11 or 12, and guide shafts 22 and 22 arranged parallel to each side of the air cylinder 21. and both guide shafts 22.2
2 and a pushing member 23 installed at the tip of the air cylinder 21. When the air cylinder 21 moves forward, the pushing member 23 crosses the conveyance area of the belt conveyor 11 or 12 and removes the seedlings located in the conveyance area. box 10
is moved to a position opposite to the position where the pushing device 20 is disposed.

At the end of the belt conveyors 11 and 12, on the side opposite to the pushing device 20.20, lifting tables 30.30 are respectively disposed, which are supported by pantograph-shaped support members and are raised and lowered while maintaining a horizontal state. The lifting platform 30 is raised and lowered by a hydraulic cylinder 31. When the lifting table 30 is located at the uppermost side, it is lower than the belt conveyor 11 or 12 by the thickness of the seedling raising boxes, and is lowered step by step from this uppermost position one seedling raising box at a time.

Each lifting platform 30.30 is connected to the belt conveyor 11.12.
It faces the starting end of the belt conveyors 41, 41 which are parallel to each other, and transfer machines 50, 50 are respectively disposed on the sides facing the starting end of each belt conveyor 41, 41. Each transfer machine 50 has an air cylinder 51 whose rod advancing direction is toward the terminal end of the belt conveyors 11 and 12, and guide shafts 52, 52 arranged parallel to each side of the air cylinder 51. , both guide shafts 52.52
and a frame-like frame 53 which is vertically erected and whose lower part is attached to the tip of the air cylinder 51. By advancing the air cylinder 51, the frame body 53 maintains a vertical state and moves slightly above the top surface of the elevator platform 30 located at the lowest side in the direction of the belt conveyor 41. Move to. On each side of each belt conveyor 41.41 there are guide plates 42.42.42.
．． 42 are erected.

The end portions of each belt conveyor 41.41 are arranged in parallel, and a pair of chain conveyors 61.61 are arranged parallel to the belt conveyor 41 between both belt conveyors 41.41.

Chain conveyor 61 at the end of each belt conveyor
．． Transfer 1fi70.70 are respectively arranged on the side opposite to the side where 61 is arranged. Each transfer ta70 has an air cylinder 71 whose rod advancement direction is set at the center of the conveyance area of each belt conveyor 41, guide shafts 72, 72 arranged parallel to each side of the air cylinder 71, and both guides. axis 7
2.72 and a frame-like frame 73 that stands vertically with its lower part attached to the rod end of the air cylinder 71, and the lower surface of the frame 73 is located slightly above the upper surface of the belt conveyor 41. As the air cylinder 71 advances, the frame body 73 maintains a vertical state and crosses the conveyance area of the belt conveyor 41.

A sprouting cart 80 is placed on a chain conveyor 61.61 arranged between the ends of each belt conveyor 41.41. The budding cart 80 is framed in a box shape, and has the width and length dimensions of two seedling boxes. 7
stomach,.

The operation of a facility with such a configuration is as follows. The seedling raising boxes IO that have been sown by the seeding device are conveyed to the starting end of the belt conveyor 11, and while being conveyed by the belt conveyor 11, the distribution rod 23 is used to distribute the seedlings to each belt conveyor 1.
1 and 12 in order.

When one seedling box reaches the end of the belt conveyor 11 or 12, the driving of the belt conveyor 11 or 12 is stopped. In this case, the elevator platform 30 is at the same height as the belt conveyor 41 at the uppermost position.

In this state, the rod of the air cylinder 21 in the pushing device 20 is advanced, and the pushing member 23 crosses the conveyance area of the belt conveyor 11 or 12 and lifts the seedling box on the belt conveyor 11 or 12 to the upper side of the lifting platform 30. Push it into and transfer it.

When the seedling box is placed on the lifting platform 30, the pushing device 20
The rod of the air cylinder 21 in is retracted and the pushing member 23 is positioned on the side of the belt conveyor 11 or 12, and the rod of the hydraulic cylinder 31 in the elevating table 30 is retracted and the elevating table 30 is moved. It is lowered by the thickness of one seedling box.

In this state, the belt conveyors 41.41 are driven again, the seedling raising boxes 10 are conveyed to the end of each belt conveyor 41.41, and the rod of the air cylinder 21 in the pushing device 20 is advanced to raise the seedlings. The box 10 is moved above the lifting table 30, and the seedling raising box 10 is placed on the seedling raising box 10 placed on the lifting table 30.

Thereafter, similar operations are repeated one after another, and the seedling boxes 10 are stacked one after another on the lifting table 30. When a predetermined amount of seedling boxes are stacked and the upper surface of the lifting platform 30 is lowered to a height approximately equal to that of the frame 53 in the transfer t850, the rod of the air cylinder 51 in the transfer fi50 is advanced and the frame 53 is lowered. Push the entire 81-layered seedling box to the belt conveyor 41 side and place it at the starting end of the belt conveyor 41.
The entire stacked seedling growing boxes are transferred and the stacked seedling growing boxes are transferred to the belt conveyor 41 to its terminal end. Since guide plates 42 and 42 are provided upright on each side of the belt conveyor 41, there is no possibility that the stacked seedling boxes transferred by the belt conveyor 41 will be dislocated.

When the seedling box loaded with MI reaches the end of the belt conveyor 4I, the driving of the belt conveyor 41 is stopped, the rod of the air cylinder 71 in the transfer machine 70 is advanced, and the frame 73 moves the entire seedling box into a chain. conveyor 61.61
It is transferred to a predetermined position on the budding trolley 80 placed above. When the transfer of the stacked seedling boxes by each transfer machine 70 is completed, the chain conveyor 61, 61 is driven and the budding cart 80 is moved, and the part where the seedling boxes are not transferred is transferred to each transfer ff1ii70, 70. The seedling growing boxes stacked in that area facing each other are transferred by the same operation as described above.

The budding cart 80 with the seedling growing boxes transferred thereto is moved to a predetermined position, and the atmosphere is controlled by adjusting the temperature, humidity, etc.

In the above embodiment, the belt conveyor 11 (or 12)
Although the terminal end of the belt conveyor 11 (or 12) is fixed, it is also possible to connect the terminal end to the lifting platform 30 and raise and lower the terminal end of the belt conveyor 11 (or 12) together with the pushing device 20 by raising and lowering the elevator platform 30. good.

〔effect〕

According to the invention, the inclined belt conveyor 11°l2
Belt Conhair 11.1 as seedling boxes are transported above.
2. The present invention has excellent effects such as being able to install the elevating device 30 and the like at the same height position, and also making it possible to stack a large number of seedling boxes even when stacking the seedling boxes one after another on the upper side.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is a plan view of the apparatus of the present invention, FIG. 2 is an elevational view thereof, and FIG. 3 is an enlarged elevational view of the main parts. 11.12... Belt conveyor 20... Pushing device 21... Air cylinder 23... Pushing device
30... Lifting platform 31... Hydraulic cylinder 41...
Belt conveyor 50.70...Transfer machine 51.71...
・Air cylinder 53, 73...Frame 61...Chain conveyor patent Applicant: 1 person other than Yanmar Agricultural Machinery Co., Ltd.

Claims (1)

[Claims] 1. In a seedling-raising box stacking device for stacking seedling-raising boxes that have been sown, a conveying device that is tilted so that the terminal end faces upward and that sequentially conveys the seedling-raising boxes that have been sown, and a terminal end of the conveying device A lifting table arranged on the side, and a pushing device arranged opposite to the lifting table at the terminal end of the conveying device and pushing the seedling boxes to be sequentially transported upwards of the lifting table and transferring them to the lifting table. The method of raising seedlings is characterized in that the pushing device repeats the operation of lowering the lifting platform on which the seedling growing boxes are transferred by the pushing device, and stacking the seedling growing boxes that are successively conveyed to the upper side of the seedling growing boxes by the pushing device. Box stacking equipment.