JPH0546256U - Soil supply device for nursery trays - Google Patents

Abstract

(57) [Abstract] [Purpose] Automation of soil supply to trays [Constitution] Front plate 4 and rear plate 6 which are given minute vibration
And a bottom plate 12 with a slit 16 that is moved back and forth to cover the space between the lower ends of the front plate 4 and the rear plate 6 from below, a conveyor 20 for conveying the tray 2, and a vertical movement of the conveyor 20 and the tray 2. A soil supplying device for a seedling raising tray, which is provided with a conveyor supporting device 24. The soil put between the front plate 4 and the rear plate 6 is supplied to the tray 2 through the slit 16 when the slit 16 comes between the front plate 4 and the rear plate 6 as the bottom plate 12 moves back and forth. ..

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a soil feeding device for a nursery tray, which can be used for supplying the soil to the seedlings of the nursery tray or for supplying the soil after seeding on the soil.

[0002]

[Prior Art]

 In the past, the soil was supplied to the tray by dropping and supplying the soil and cover soil to the upper part of the tray, and then the soil was manually spread by the blades and brushes so that it spreads over the whole area.

[0003]

[Problems to be solved by the device]

 Therefore, the conventional technology requires a manual process of spreading the soil with a blade or a brush, which makes it difficult to fully automate the soil. However, there was a problem that the hardness of the soil cover could not be adjusted because it was only dropped to the eye.

An object of the present invention is to provide a soil feeding device for a seedling raising tray that enables automation of feeding of soil, covering soil, etc. to the tray, and adjustment of supply amount, hardness and the like.

[0005]

[Means for Solving the Problems]

 According to the present invention, the above object is achieved by a soil feeding device for the next seedling raising tray. That is, the front plate and the rear plate, which have a space at the lower end and are widened toward the upper side, are given a slight vibration, and cover the space between the front plate and the rear plate from the lower side, and reciprocate in the front-back direction. A bottom plate that is moved and extends in the front-rear direction and in the orthogonal direction and has a slit for dropping soil to supply it to the tray; a conveyor provided below the bottom plate for transporting the tray; and a height of the conveyor. A soil supplying device for a seedling raising tray, comprising a conveyor supporting device that adjustably supports the upper surface of the tray and slidably contacts the lower surface of the bottom plate.

[0006]

[Action]

 In the device of the present invention, soil such as soil and cover soil is supplied to the hopper-shaped space between the front plate and the rear plate. Raise the conveyor using the conveyor support device until the top of the tray contacts the bottom of the bottom plate. In this state, the conveyor is driven to convey the tray forward, and at the same time, the bottom plate reciprocates in the front-rear direction. Then, when the slit of the bottom plate comes within the space between the lower ends of the front and rear plates, the soil between the front and rear plates is dropped through the bottom plate slit into the tray. Since the front and back plates are given a slight vibration, the soil will fall smoothly. Since the bottom plate reciprocates and there is no gap between the bottom plate bottom surface and the tray top surface, the soil that has fallen on the top surface of the tray other than the mesh is scratched by the bottom plate, so that the soil does not accumulate on the top surface of the tray other than the mesh. By adjusting the number of reciprocating cycles of the bottom plate, the amount of soil and cover soil can be adjusted, and the bottom surface of the bottom plate pushes the soil, so the hardness of the cover soil can be adjusted. In addition, since the soil is supplied through the slits in the bottom plate that moves back and forth, the soil is dropped all over the eye as the slit moves, and there is no need to manually spread the soil with blades or brushes. Becomes

[0007]

【Example】

 1 and 2 show a soil supplying device for a tray according to an embodiment of the present invention. By arranging this device at the front stage and the rear stage of a sowing device (not shown), cultivating soil at the front stage and covering soil at the rear stage, cultivating soil, sowing, and covering soil can be automated.

In FIG. 1 and FIG. 2, a pair of plates, that is, a front plate 4 and a rear plate 6 are arranged apart from each other in the transport direction of the tray 2. The front plate 4 and the rear plate 6 are separated from each other by about 40-80 mm at the lower end, and are spaced apart from each other toward the upper side. For example, when the front plate 4 extends in the vertical direction, the rear plate 6 extends obliquely rearward. The soil is supplied to the space between the front plate 4 and the rear plate 6.

Vibrators 8 and 10 are fixed to the front plate 4 and the rear plate 6, respectively, so that the soil between the front plate 4 and the rear plate 6 can be smoothly dropped, and the vibrators 8 and 10 are vibrated. At this time, the front plate 4 and the rear plate 6 are adapted to be vibrated.

A bottom plate 12 is provided so as to cover the space between the lower ends of the front plate 4 and the rear plate 6 from below. The bottom plate 12 is reciprocally moved in the front-rear direction in the tray transfer direction by an air cylinder 14, for example. The upper surface of the bottom plate 12 is slidably in contact with the lower end surfaces of the front plate 4 and the rear plate 6.

The bottom plate 12 has a slit 16 extending long in a direction orthogonal to the tray transport direction, and the slit 16 penetrates in the vertical direction. When the space between the front plate 4 and the rear plate 6 contains soil, when the slit 16 comes within the space between the lower ends of the front plate 4 and the rear plate 6, the soil passes through the slit 16 and is stored in the tray 2 below. More and more eyes. When the slit 16 moves out of the space between the lower ends of the front plate 4 and the rear plate 6 due to the reciprocating movement of the bottom plate 12, the supply of soil into the tray 2 stops. Therefore, the amount of soil supplied to the tray 2 can be adjusted by changing the number of reciprocating cycles of the bottom plate 12.

Pins 18 are erected upward on the bottom plate 12 at a position between the front plate 4 and the rear plate 6 even if the bottom plate 12 moves back and forth. This pin 18 moves back and forth together with the bottom plate 12 when it is moved back and forth, and scrapes the soil between the front plate 4 and the rear plate 6 to facilitate the fall.

The tray 2 is placed on a conveyor, for example, a belt conveyor 20 and conveyed. The belt conveyor 20 is supported by a fixed frame 22 via a conveyor supporting device 24. The conveyor supporting device 24 is composed of, for example, an air cylinder device or a screw, and by moving the belt conveyor 20 up and down, the tray 2 placed on the belt conveyor 20 can be moved up and down. When the soil is being supplied to the tray 2, the conveyor supporting device 24 moves the tray 2 upward so that the upper surface of the tray 2 comes into sliding contact with the lower surface of the bottom plate 12 (or almost no gap is left). Approach).

At the front end of the belt conveyor 20, there is provided a residual soil receiving box 26 for receiving spilled soil on the belt conveyor 20 when the soil falls from the belt conveyor 20 as the belt conveyor 20 rotates. ..

Next, the operation will be described. First, the soil or cover soil is put into the space between the front plate 4 and the rear plate 6, and the tray 2 is kept until the upper surface of the tray 2 contacts or almost contacts the lower surface of the bottom plate 12 by the conveyor supporting device 24. And the belt conveyor 20 is lifted.

In this state, the belt conveyor 20 is driven and the trays 2 are conveyed forward one after another. At the same time, the air cylinder 14 is driven to reciprocate the bottom plate 12 forward and backward in the tray transfer direction. At this time, the pin 18 also reciprocates.

When the slit 16 of the bottom plate 12 enters into the space between the lower ends of the front plate 4 and the rear plate 6, the soil contained between the front plate 4 and the rear plate 6 passes through the slit 16 and the slit 16 When the slits 16 of the bottom plate 12 fall out of the space between the lower ends of the front plate 4 and the rear plate 6, the drop of the soil is stopped when the slits 16 of the bottom plate 12 fall into each square of the lower tray 2. Since the front plate 4 and the rear plate 6 are vibrated, the fall of the soil is smooth. By adjusting the number of forward and backward movement cycles of the bottom plate 12, it is possible to adjust the amount of soil entering the tray 2.

The soil that has dropped onto the portion of the upper surface of the tray 2 other than the squares is scratched by the bottom plate 12 because the space between the lower surface of the bottom plate 12 and the upper surface of the tray 2 is almost zero, and It will not collect on any part of the top surface other than the squares.

When the cover soil is filled into the squares of the tray 2 by using this device, the soil entering the eyes is pushed downward by the lower surface of the bottom plate 12, so that the soil entering the eyes reciprocates. By adjusting the number of pushes on the bottom surface of the bottom plate 12, the hardness of the soil cover can be adjusted.

With the conveyance of the trays 2 by the belt conveyor 20, the trays 2 to which the soil has been supplied to all the rows of the trays 2 are taken out from the soil supplying device or sent to the next process. The soil spilled from the tray 2 and falling on the belt conveyor 20 is sent forward as the belt conveyor 20 rotates, falls from the front end of the belt conveyor 20 into the residual soil receiving box 26, and is recycled.

[0021]

[Effect of the device]

 According to the present invention, a front plate and a rear plate to which vibration is applied, a reciprocating slit bottom plate, a tray transfer conveyor, and a conveyor supporting device for sliding the tray upper surface to the bottom plate lower surface are provided. It is possible to automate the supply to the tray and to adjust the reciprocating motion of the bottom plate to adjust the supply amount of soil and the hardness of the cover soil.

[Brief description of drawings]

FIG. 1 is a side view of a soil feeding device for a seedling raising tray according to an embodiment of the present invention.

2 is a front view of the device of FIG. 1. FIG.

[Explanation of symbols]

 2 Tray 4 Front Plate 6 Rear Plate 8 Vibrator 10 Vibrator 12 Bottom Plate 14 Air Cylinder 16 Slit 18 Pin 20 Belt Conveyor 22 Frame 24 Conveyor Support Device

Claims (1)

[Scope of utility model registration request] 1. A front plate and a rear plate, which have a space at a lower end and are widened toward an upper side, and which are given microvibration, and cover a space between the front plate and the rear plate from a lower side in a front-rear direction. The bottom plate having a slit for reciprocating and extending in the front-rear direction and the orthogonal direction and for dropping the soil to supply it to the tray, a conveyor provided below the bottom plate for conveying the tray, and the conveyor And a conveyor support device that adjustably supports the upper surface of the tray so that the upper surface of the tray can slidably contact the lower surface of the bottom plate.