JP2506137Y2 - Corner soil pressing device in nursery box - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to a corner floor soil pressing device in a nursery box.

(Prior Art) A corner floor soil pressing device in a nursery box that is commercially available in the past is a transfer table for laterally feeding a nursery box filled with bed soil,
The structure is composed of a pair of left and right rotating arms provided on the transfer table, and a corner floor soil pressing member of the nursery box provided between the rotating arms and a separate rotating arm.

(Problem to be Solved by the Invention) The known device has a problem that it is not easy to manufacture because it has a structure in which the corner soil pressing member is fixed between the pair of left and right rotating arms attached to the transfer table. .

(Object of the Invention) Accordingly, an object of the present invention is to enable pressing with a simple structure and easy manufacture thereof.

(Means for Solving the Problem) Therefore, the present invention is a core comprising a transfer table 1 for laterally transferring the nursery box 2 filled with the soil bed 4, and a metal rod having left and right tip parts axially attached to the transfer table 1. This is a corner floor soil pressing device in a seedling raising box, which comprises a mold rotating arm 6 and a corner floor soil pressing member 8 of the seedling raising box fixed to the straddle portion 7 of the rotating arm 6.

(Embodiment) An embodiment of the present invention will be described with reference to the drawings, in which 1 is a transfer table for laterally transferring a nursery box 2, which is formed long in the transfer direction of the nursery box 2 and is supported on a floor by a supporting leg provided at a predetermined position. Placed on. A transfer roll 3 transfers the seedling raising box 2.

A corner pressing device 5 is provided above the transfer table 1.

On the transfer table 1, a tip end of a rotary arm 6 formed by integrally bending a shaft rod into a U shape is rotatably attached. 7 is a straddle portion between the rotating arms 6 and 6,
It is located above the nursery box 2 transferred by the transfer table 1.

On the straddle 7, a corner pressing body 8 in the left-right direction that is vertically rotated in an arc shape by the rotation of the rotating arm 6 is fixed.

The corner pressing body 8 is formed in a deformed rectangular tube shape in the left-right direction, and the inner surface of the corner pressing body 8 is fixedly attached to the straddle 7.

A substantially horizontal pressing portion 9 is formed on the front side of the lower surface of the corner pressing body 8, and an inclined guide surface 10 that is inclined so as to become higher toward the rear is provided at the rear edge of the pressing portion 9. The inclined guide surface 10 is formed at an inclined angle such that when the upper edge of the front wall 11 of the seedling raising box 2 abuts and moves forward, the entire pressing portion 9 once moves upward.

A spring 12 for constantly rotating the pressing portion 9 downward through the straddle portion 7 is attached near the attachment portion of the tip of the rotating arm 6 to the transfer table 1. Therefore, the pressing portion 9
And the inclined guide surface 10 is formed to have a lateral width slightly smaller than the inner width of the left and right side walls 13 of the nursery box 2, and as soon as the front wall 11 of the nursery box 2 passes below the pressing portion 9, the spring 12 of the spring 12 is immediately moved. The lower surface of the pressing portion 9 is configured to press the floor soil 4 at the corner A of the front wall 11 of the nursery box 2 by elasticity.

Then, mounting plates 14 and 14 are fixed to the left and right ends outside the portion of the straddle 7 where the pressing body 8 is mounted, and the mounting plates 14 and 14 have screw shafts 15 in the vertical direction. The upper and lower intermediate parts of 15 are screwed together.

Adjustment dials 16 and 16 are fixed to the upper ends of the screw shafts 15 and 15, and pressing depth adjustment plates 17 and 17 are provided below the screw shafts 15 and 15.

The bases of the pressing depth adjusting plates 17, 17 are pivotally attached to the upper surface of the transfer table 1 by a vertical axis 18 so as to be rotatable in the left-right direction. Steps 19 higher than the upper surfaces of the adjusting plates 17, 17 are provided.

The screw shaft 15, the adjusting dial 16, and the pressing depth adjusting plate 17 form a pressing depth adjusting device 20. The pressing depth adjusting device 20 lifts the corner pressing body 8, places the lower end of the screw shaft 15 on the stepped portion 19 of the pressing depth adjusting plate 17, and in this state, rotates the adjusting dial 16 to press the pressing portion. The lower surface of 9 is brought into close contact with the upper surface of the front wall 11 of the seedling raising box 2, and then the pressing depth adjusting plate 17 is rotated so that the lower end of the screw shaft 15 is pressed.
When it comes into contact with the upper surface of, the floor soil 4 having the height a of the stepped portion 19 is pressed.

Also, with the lower end of the screw shaft 15 in contact with the upper surface of the transfer table 1, the adjustment dial 16 is rotated to bring the lower surface of the pressing portion 9 into close contact with the upper surface of the front wall 11 of the seedling raising box 2, and then press. When the depth adjusting plate 17 is rotated to bring the lower end of the screw shaft 15 into contact with the upper surface of the transfer table 1, the divided soil 4 having the height a of the stepped portion 19 and the thickness b of the pressing depth adjusting plate 17 is pressed. Will be done.

In this case, by forming a plurality of step portions 19 of the pressing depth adjusting plate 17 and changing the height of the step portions 19, the depth to which the pressing portion 9 descends can be changed.

Although not shown in the drawing, the upper surface of the transfer table 1 on the side of the starting end is provided with a bed soil supply device and the top surface of the soil bed 4 supplied into the seedling raising box 2 by the bed soil supply device. A rotary leveling brush may be provided, and the corner pressing device 5 is followed by a seed feeding device, a watering device, a soil covering feeding device, and the like.

In addition, when the projection of the pressing portion 9 is formed so as to protrude downward at a predetermined interval, it can be used as a corner picking device for a row seeding device.

(Operation) Next, the operation will be described.

Since the present invention has the above-described structure, one shaft rod is inserted into the corner pressing member 8 having a deformed rectangular tube shape, and the corner pressing member 8 is attached to the straddle portion 7 which is an intermediate portion of the shaft rod. When fixed, and then both sides of the straddle 7 projecting from the corner pressing body 8 are bent into a U-shape, a U-shape rotating arm 6 is formed.
When the left and right ends of the above are pivotally attached to the transfer table 1, the manufacturing and mounting of the corner pressing device 5 is completed.

The bed soil 4 filled in the seedling raising box 2 is normally flattened by a rotating brush or a crushing roll. Excess soil that cannot be flattened remains.

The front side of the lower surface of the corner pressing body 8 of the corner pressing device 5 is formed in a substantially horizontal pressing portion 9, and an inclined guide surface 10 is formed at the rear edge of the pressing portion 9 so as to be higher toward the rear. Since it is formed, when the upper edge of the front wall 11 of the seedling raising box 2 contacts the inclined guide surface 10 and advances, the entire corner pressing body 8 is guided by the inclined guide surface 10 and once moves upward.

A spring 12 for urging the corner pressing body 8 to always rotate downward is attached to the rotating arm 6, so that the front wall 11 of the nursery box 2 is brought into sliding contact with the lower surface of the pressing portion 9. Further advances and passes below the pressing portion 9, the pressing portion 9
The lower surface of the is lowered to press the soil in the corner A to flatten it.

In this case, the lower surface of the pressing portion 9 descends on an arc centered on the tip of the rotating arm 6, and the front end of the pressing portion 9 comes into contact with the inner surface of the front wall 11 of the nursery box 2, Nursery box 2
Moves down to push down the soil in the corner A to flatten it.

At the left and right ends of the straddle 7, the mounting plate 1
4 and 14 are fixed, and the screw plates 1 and
Since 5 and 15 are screwed together, when the lower surface of the pressing portion 9 is lowered to the maximum, the lower ends of the screw shafts 15 and 15 are pressed depth adjusting plates 17 and 17 provided below the screw shafts 15 and 15, respectively. Abut the upper surface of
The descent of the pressing portion 9 is stopped.

That is, the adjustment dial 16 is provided at the upper end of the screw shafts 15, 15.
16 is fixed, and a stepped portion is provided on the tip side of the pressing depth adjusting plates 17 and 17.
Since 19 is provided, the entire corner pressing body 8 is lifted by hand against the elasticity of the spring 12, and the lower end of the screw shaft 15 is placed on the stepped portion 19 of the pressing depth adjusting plate 17, Next, the adjusting dial 16 is rotated to bring the lower surface of the pressing portion 9 into close contact with the upper surface of the front wall 11 of the seedling raising box 2, and then the pressing depth adjusting plate 17 is rotated to press the lower end of the screw shaft 15 into the pressing depth. When brought into contact with the upper surface of the height adjusting plate 17, the corner pressing body 8 is stepped 19 from the upper end of the front wall 11 of the seedling raising box 2.
The floor soil 4 is pressed down by the height a.

Further, while the lower end of the screw shaft 15 is in contact with the upper surface of the transfer table 1, the adjustment dial 16 is rotated, and the lower surface of the pressing portion 9 is brought into close contact with the upper surface of the front wall 11 of the seedling raising box 2 for adjustment. afterwards,
When the pressing depth adjusting plate 17 is rotated to bring the lower end of the screw shaft 15 into contact with the upper surface of the transfer table 1, the pressing portion 9 has a height a + of the stepped portion 19+.
The pressing depth adjusting plate 17 is lowered by the thickness b to press the floor soil 4.

(Effect) A corner floor soil pressing device in a conventional nursery box that is generally commercially available includes a transfer table that laterally transports the nursery box filled with the floor soil,
The structure is composed of a pair of left and right rotating arms provided on the transfer table and a corner floor soil pressing body of the nursery box provided between the rotating arms.

The known device has a problem in that it is not easy to manufacture and install because it has a structure in which the corner floor soil pressing body is fixed between the pair of left and right rotating arms attached to the transfer table.

However, according to the present invention, the transfer table 1 for laterally transferring the seedling raising box 2 filled with the bed soil 4, the U-shaped rotating arm 6 made of a metal rod having the left and right tip parts axially attached to the transfer table 1, Since the corner floor soil pressing device in the nursery box is composed of the corner floor soil pressing body 8 of the nursery box fixed to the straddle portion 7 of the movable arm 6, the left and right front ends of the transfer table 1 are provided as shafts. It is composed of a U-shaped rotating arm 6 made of a worn metal rod, and a corner floor soil pressing member 8 of the nursery box fixed to the straddle portion 7 of the rotating arm 6, so that it is easy to manufacture and install. The advantages are that it is inexpensive and easy to implement.

[Brief description of drawings]

FIG. 1 is an overall perspective view, FIGS. 2 to 7 are adjustment state diagrams,
8 to 12 are operation state diagrams. Explanation of symbols 1 ... Transfer stand, 2 ... Raising box, 3 ... Transfer roll, 4 ...
… Floor soil, 5 ... Corner pressing device, 6 ... Rotating arm, 7 ...
… Casting part, 8 …… Corner floor soil pressing body, 9 …… Pressing part, 10…
… Guidance slope, 11 …… front wall, 12 …… spring, 13 …… side wall,
14 …… Mounting plate, 15 …… Screw shaft, 16 …… Adjustment dial, 17
...... Pressing depth adjusting plate, 18 …… Vertical axis, 19 …… Step, 20 ……
Pressing depth adjustment device.

Claims (1)

(57) [Scope of utility model registration request] 1. A transfer table 1 for laterally transporting a seedling raising box 2 filled with a bed soil 4, a U-shaped rotating arm 6 made of a metal rod having left and right tip parts axially attached to the transfer table 1, and A corner floor soil pressing device for a nursery box comprising a corner floor soil pressing body 8 of the nursery box fixed to the straddle portion 7 of the moving arm 6.