JPH0629B2 - Floor soil leveling device at the rear end of the nursery box for sowing - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a floor soil leveling device at the rear end of a seedling raising box.

(Prior Art) Japanese Patent Application No. 59-76976 (Japanese Utility Model Publication No. 60-190243) and Japanese Patent Application No. 59-76978 (Japanese Utility Model Publication No. 60-1), which are prior inventions (not conventionally known) to the present application.
No. 90245 gazette) describes a configuration in which a floor soil leveling flat plate is provided above the transfer table of the nursery box to vertically move and push the surface of the raised floor soil in the corner of the nursery box to level it. Has been done.

(Problems to be solved by the invention) In any of the above-mentioned inventions, when the flat plate collides with the inner surface of the rear wall of the moving nursery box, the parallel crank mechanism lowers the soil to suppress the soil, and When the nursery box is moved forward, the parallel crank release mechanism retracts the flat plate upward, but the structure is complicated and there is a drawback that it cannot be easily implemented.

(Means for Solving the Problems) Therefore, according to the present invention, the horizontal transfer table 1 for transferring the nursery box 2 from the rear side 41 to the front side 42, and the substantially vertical standing plate 26 provided above the transfer table 1. And the lower part of the standing plate 26 obliquely rearward and downward and the tip of which is the suppressed soil 13 in the nursery box 2.
Corner floor soil removing plate 25 having inclined plates 27 having a height that makes sliding contact with the upper surface of the standing plate and moving plates 23 in the front-rear direction provided at the left and right ends of the standing plate 26, and left and right provided on the left and right moving plates 23. Direction horizontal shafts 22 and 24, inclined guide grooves 19 and 20 provided on the side of the transfer table 1 with which the horizontal shafts 22 and 24 are engaged, the rear side being low and the front side being high, and the removal plate 25 is always placed at the rear side. This is a floor soil leveling device at the rear end part of the seedling raising box, which is composed of a spring 29 to be pulled, and can be implemented by only an inclined groove and a spring.

(Example) Explaining with reference to the drawings, 1 is a horizontal transfer table for transferring the nursery box 2 from the supply side to the take-out side, which is formed long in the transfer direction of the nursery box 2. The seedling raising box 2 is formed in a square drawer shape by the front wall 3, the rear wall 4, and the left and right side walls 5, 5. The horizontal transfer table 1 has a well-known structure, has a plurality of guide rolls 6 for transferring the seedling raising box 2 at predetermined intervals, is placed on the floor by a supporting leg provided at a desired position, and is positioned above it. Is provided with a device for supplying soil and seeds.

Then, the floor soil pressure roll 7 is provided on the horizontal transfer table 1 on the front side 42 of the floor soil supplying apparatus (FIG. 1). The bed soil suppression roll 7 is a cylindrical (cylinder may be used) drive roll, is formed to have a width substantially the same as the inner width of the left and right sides of the nursery box 2, and transfers the nursery box 2 to a position above the horizontal transfer table 1. It is provided so that it is orthogonal to the direction. 8, 8 are the left and right frames of the horizontal transfer table 1, 9,
Reference numeral 9 is a support arm whose lower end is pivotally attached to the frames 8 and 1,
Reference numeral 0 is an adjusting screw for adjusting the working height of the soil suppression roll 7.

At the position near the front side 42 of the soil suppression roll 7, the soil leveling tool 1
Install 1. The soil leveling tool 11 is long in the left-right direction, and has a leveling section 12 that is bent in an inverted L shape at the lower end. The soil leveling tool 11 is provided inside the upper surface 14 of the front wall 3 of the nursery box 2 out of the floor soil 13 supplied into the nursery box 2 to suppress the floor soil suppressing roll 7.
Then, the part which cannot be suppressed is smoothed.

Then, the leveling device 1 for the extra soil e (FIG. 2) is provided above the horizontal transfer table 1 on the front side 42 of the floor soil pressure roll 7.
5 is provided. The leveling device 15 for the extra soil e mounts and fixes the lower end portions of the left and right box-shaped side plates 16 and 16 on the upper surfaces of the left and right frames 8 and 8 of the horizontal transfer stand 1, and the front and rear sides orthogonal to the transfer direction. The front and rear plates 17, 17 are fixed to the front and rear of the side plates 16, 16, and the lower ends of the front and rear plates 17, 17 are positioned with a gap 18 through which the transferred seedling raising box 2 can pass.

The left and right side plates 16, 16 are long in the transfer direction, and
The inclined guide grooves 19 are formed so that the rear side 41 is low and the front side 42 is high. An inclined guide groove 20 parallel to the inclined guide groove 19 is formed at a position slightly below the inclined guide groove 19.

Then, in the upper inclined guide groove 19, the upper inclined guide groove 1
The left and right shafts 21 and 22 that move in the front-rear direction inside 9 are inserted at intervals. Moving plates 23, 23 are attached to the left and right sides of the shafts 21, 22. The movable plates 23, 23 are formed of flat plates, and are provided inside the side plates 16, 16 in parallel with the side plates 16, 16.

A horizontal shaft 24 is inserted through the lower inclined guide groove 20, and a corner soil removal plate 25 is attached to the shaft 24. The standing plate 26 of the corner floor soil removing plate 25 is set in a substantially vertical state,
Is formed by bending the rear side 41. Corner soil removal plate 25
When viewed from above, the side portions 28, 28 are formed into a bent U-shape, and the side portions 28, 28 are fixed to the inner surfaces of the moving plates 23, 23.

The rear end of the spring 29 is locked to the lower position of the rear side 41 of the moving plate 23, and the front end of the spring 29 is locked to the lower part of the rear plate 17 of the rear side 41. The spring 29 always urges the corner soil removal plate 25 so as to be positioned on the rear side 41, and the pulling direction of the spring 29 matches the direction of the upper inclined guide grooves 19, 20.

A pressing roll 30 presses the rear wall 4 of the nursery box 2 so as to prevent the front side from rising due to its resistance when the inclined plate 27 comes into contact with the rear wall 4, and above the left and right side walls 5, 5 of the nursery box 2. It is provided at the position and the seedling raising box 2 is pressed downward by the spring 31.

Therefore, below the pressing roll 30, a fast-forwarding roll 32 that rotates faster than the guide roll 6 is provided. Fast-forward roll 3
2 is a horizontal shaft 33 having both ends attached to the frames 8 and 8
Stick to each.

One end of the shaft 33 is projected outward from the frame 8 and the pulley 34 is fixed to the projected portion. The pulley 34 has a guide roll 4 provided below the working position of the corner soil removal plate 25.
The belt 3 is attached between the shaft 35, which is freely mounted on the shaft 0, and the pulley 36, which is fixed to the protruding portion protruding outward from the frame 8.
Wind 7.

The pulley 36 has a large diameter and the pulley 34 has a small diameter.
The rotation of the fast-forwarding roll 32 is made faster than the rotation of the guide roll 6, and the preceding nursery box 2 is fast-forwarded to form a gap 38 between the subsequent nursery box 2.

The gap 38 is provided so that the slag soil 39 squirted rearward by the inclined plate 27 of the corner floor soil removing plate 25 is dropped and is not supplied into the subsequent nursery box 2.

(Operation) Next, the operation will be described.

When the nursery box 2 is placed and supplied on the rear side 41 of the horizontal transfer table 1, it is transferred in the direction of arrow A toward the front side 42 by the guide roll 6, and the floor soil is excessively supplied by the floor soil supply device, and the floor soil pressure roll 7 Is suppressed by. At this time, the soil suppression roll 7
Squeezes the rear wall 4 of the nursery box 2 and suppresses it. However, the part in the vicinity of the inner side of the rear wall 4 cannot be suppressed, and the extra soil e having an arc shape remains, and the seeds sown there fall to a low place. Partially thickened.

In the present invention, since the corner floor soil removal plate 25 is provided on the front side 42 of the floor soil pressure roll 7, when the seedling raising box 2 moves forward, the state shown in FIG. 2 to FIG. The inclined plate 27 of 25 scoops off the excess soil e and simultaneously contacts the inner surface of the rear wall 4.

Then, the rear wall 4 further advances, so that the corner floor soil removing plate 25
Is pushed toward the front side 42 against the spring 29, but the shafts 21, 22 and 24 of the corner floor soil removing plate 25 move in parallel in the inclined guide grooves 19 and 20 in the arrow B direction. The lower end of the inclined plate 27 of the corner floor soil removing plate 25 is the rear wall 4
Since it moves upward while contacting the inner side surface of the seedling, and the inclined plate 27 is bent to the rear side 41, when moving, an extra circular arc-shaped soil e is attached to the inner side surface of the rear wall 4 of the nursery box 2. It is possible to scrape off the soil that forms and level it horizontally.

When the inclined plate 27 comes off the rear wall 4 of the nursery box 2, the spring 29 elastically returns it, so that the ground soil is released.

In this case, if the seedling raising boxes 2 are continuously transferred by the horizontal transfer table 1, the dallied soil 39 thrown from the preceding seedling raising boxes 2 will be supplied into the succeeding seedling raising boxes 2. However,
According to the present invention, the fast-forwarding roll 32 is provided below the pressing roll 30, and the fast-forwarding roll 32 has the pulley 34 fixed to the shaft 33 for rotating the fast-forwarding roll 32 formed to have a smaller diameter than the pulley 36. The rotation of the fast-forward roll 32 becomes faster than the rotation of the roll 6.

Therefore, when the rear wall 4 of the preceding nursery box 2 reaches the operating position of the corner floor soil removing plate 25, it is fast-forwarded and the subsequent nursery box 2
Since a gap 38 is formed between the front wall 3 and the front wall 3,
Then, the slag 39 which has been thrown rearward is dropped by the inclined plate 27 of the corner floor soil removing plate 25 and is not supplied into the subsequent nursery box 2.

The lower end of the inclined plate 27 of the corner floor soil removing plate 25 is located below the upper surface 25 of the front wall 3 of the seedling raising box 2. Therefore, when the seedling raising box 2 moves forward, first, the corner floor soil removing plate 25 contacts the front wall 3, but the corner floor soil removing plate 25 crosses over the rear wall 4 as described above. The wall 3 resists the pulling force of the spring 29 to the front side 4 of the corner soil removal plate 25.
2, the shafts 21, 22 and 24 to which the corner floor soil removing plate 25 is attached move in parallel in the upper inclined guide grooves 19 and 20 in the arrow B direction, so that the corner floor soil removing plate 25
As the lower end of the inclined plate 27 moves to the front side 42, the lower end of the inclined plate 27 moves to the upper position, so that the front wall 3 passes below the inclined plate 27. When the front wall 3 passes, the corner floor soil removing plate 25 is pulled so as to coincide with the inclination direction of the upper inclined guide groove 19 and always be located on the rear side 41, and therefore descends to the surface of the floor soil. Flatten.

(Effect) According to the present invention, the horizontal transfer table 1 for transferring the nursery box 2 from the rear side 41 to the front side 42, the substantially vertical standing plate 26 provided above the transfer table 1, and the lower part of the standing plate 26 are provided. It has an inclined plate 27 projecting obliquely downward to the rear side and having a front end slidably in contact with the upper surface of the ground soil 13 in the seedling raising box 2, and movable plates 23 in the front-rear direction provided at the left and right ends of the standing plate 26. The corner floor soil removing plate 25, the horizontal shafts 22 and 24 in the left-right direction provided on the left and right moving plates 23, and the rear side provided on the transfer table 1 side with which the horizontal shafts 22 and 24 engage are low and front. High-sided inclined guide groove 1
9 and 20 and a spring 29 that constantly pulls the removal plate 25 to the rear side, the floor soil leveling device at the rear end of the seedling raising box for seeding is used. Since it can be constituted by the guide grooves 19 and 20 and the spring 29, the structure is simple and the manufacturing, assembling and adjustment are easy.

In addition, since the tip of the corner floor soil removing plate 25 is in sliding contact with the upper surface of the suppressed soil 13 in the nursery box 2, the rear wall 4 of the nursery box 2
It is possible to scrape off the floor soil forming the arc-shaped excess soil e on the inner surface of the and to level it horizontally.

Further, when the inclined plate 27 of the corner floor soil removing plate 25 comes off the rear wall 4 of the seedling raising box 2, the spring 29 elastically returns to the rear side 41, so that the ground soil can be released.

[Brief description of drawings]

FIG. 1 is a perspective view of a main part, FIGS. 2 to 5 are operation state diagrams of a floor soil leveling plate, and FIG. 6 is a vertical sectional side view of the main part. Explanation of symbols, 1 ... Horizontal transfer table, 2 ... Nursery box, 3 ... Front wall,
4 ... rear wall, 5 ... side wall, 6 ... guide roll, 7 ... compression roll, 8 ... frame, 9 ... support arm, 10 ... adjusting screw,
11 ... Floor soil leveling flat plate, 12 ... Leveling part, 13 ... Floor soil, 14 ...
Top surface, 15 ... Leveling device for excess soil e, 16 ... Side plate, 17
... Side plate, 18 ... Gap, 19 ... Inclined guide groove, 20 ... Inclined guide groove, 21 ... Shaft, 22 ... Shaft, 23 ... Moving plate, 24 ... Shaft,
25 ... Corner floor soil removal plate, 26 ... Upper part, 27 ... Lower part, 28
... side part, 29 ... spring, 30 ... pressing roll, 31 ... spring,
32 ... Fast forward roll, 33 ... Shaft, 34 ... Pulley, 35 ...
Shaft, 36 ... Pulley, 37 ... Belt, 38 ... Gap, 39
... Dust dumpling, 40 ... Guide roll, 41 ... Rear side, 42 ... Front side.

Claims (1)

[Claims] 1. A horizontal transfer table 1 for transferring a nursery box 2 from a rear side 41 to a front side 42, a substantially vertical standing plate 26 provided above the transfer table 1, and a rear side from a lower portion of the standing plate 26. A corner portion having an inclined plate 27 protruding obliquely downward and having a height with which the upper surface of the subdued soil 13 in the nursery box 2 is slidably contacted and movable plates 23 in the front-rear direction provided at both left and right ends of the standing plate 26. The floor soil removing plate 25, the horizontal shafts 22 and 24 in the left-right direction provided on the left and right moving plates 23, and the rear side provided on the side of the transfer table 1 with which the horizontal shafts 22 and 24 engage and the front side is high. Inclined guide groove 1
A soil leveling device for the rear end of the seedling raising box, which comprises 9, 20 and a spring 29 for constantly pulling the removing plate 25 rearward.