JP2003180168A - Leveler - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the usability of a leveler and facilitate its height adjustment. <P>SOLUTION: This leveler is characterized by attaching a scraper 3 to a vertical movement member 11 capable of being vertically moved against a transport table 1 in a height-adjustable state, disposing a rotary leveling brush 15 on the vertical movement member 11 in a state only capable of being freely rotated, and disposing the lower surface of the scraper 3 placed at the lowest position against the vertical movement member 11 and the lower edge of the rotary leveling brush 15 at an identical level. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a leveling device for leveling the soil supplied to a seedling raising container.

[0002]

2. Description of the Related Art Japanese Patent Laid-Open No. 2000-269061 discloses a structure in which a scraper and a rotary brush are provided above a transfer table for transferring a seedling-growing container supplied with soil.

[0003]

In the above-mentioned known example, since the height is adjusted by interlocking the scraper and the rotary brush together, the adjusting operation is simple, but the height relationship between the scraper and the rotary brush is high. Is always constant, and there is no suggestion that the seedling raising container be used properly. The height adjustment is performed with high precision while avoiding the trouble of height adjustment, and a rotary transmission mechanism corresponding to the vertical movement associated with the height adjustment is provided.

[0004]

It is an object of the present invention to improve the usability of a leveling device and facilitate height adjustment.

[0005]

According to the present invention, a seedling raising container 2 is provided at a position above a transfer table 1 for transferring a seedling raising container supplied with soil.
The scraper 3 for leveling the bed soil supplied to the seedling raising container 2 while sliding it on the upper surface of the seedling raising container 2, and the rotary leveling brush 15 for leveling while sweeping the floor soil supplied to the seedling raising container 2 Is attached to the vertical moving body 11 which moves up and down with respect to the transfer table 1 so as to be adjustable in height, and the rotary leveling brush 15 is provided on the vertical moving body 11 so as to be rotatable only. The lower surface of the scraper 3 located below is a leveling device which is aligned with the lower edge of the rotary leveling brush 15.
The present invention relates to the brush rotary shaft 16 of the rotary leveling brush 15.
The bearing plate 35 provided at the end of the passive gear 31 and the intermediate gear 36 are provided on the bearing plate 35, and the passive gear 31 and the intermediate gear 36 are provided with the intermediate gear 33 that is fixedly positioned above the passive gear 31 and the intermediate gear 36. And an intermediate portion of the chain 34 wound around each of the output gears 32 provided on the lower transfer table 1,
This is a leveling device that meshes with each other alternately.

[0006]

Embodiments of the present invention will be described with reference to the drawings.
Is a transfer table capable of transferring the seedling raising container 2, is formed long in the transfer direction, and is provided with a transfer means (not shown) for transferring the seedling raising container 2 between the start end portion and the end portion, and a supporting leg provided at a desired position (Not shown) is placed on the floor. The seedling raising container 2 may be a drawer-shaped container having an open upper surface made of synthetic resin, or may be called a cell tray and formed with a large number of pots in the front, rear, left and right. Above the transfer table 1,
A scraper 3 is provided. The scraper 3 has a width larger than the left-right width of the seedling raising container 2, and has a V-shaped rear scraper 4 in plan view that spreads outward as it reaches the front side in the transfer direction.
By a front scraper 7 having a V-shaped front central scraper 5 provided in the front portion of the rear scraper 4 and a front outer scraper 6 provided outside the front central scraper 5 so as to spread outwardly toward the front. The front center scraper 5 and the front outer scraper 6 are fixedly provided on a left-right mounting shaft 8 provided at the front portion of the rear scraper 4.

The scraper 3 includes a scraper mounting shaft 10 provided on the front center scraper 5 and a scraper guide hole 12 in the form of a vertically long hole of a pair of left and right moving bodies 11 on the left and right sides.
It is inserted so as to be vertically movable, and is attached so as to be fixed at a predetermined height position with respect to the vertical moving body 11 by an arbitrary fastener 13 such as a knob bolt. A rotary leveling brush 15 is provided on the front side of the scraper 3 in the conveying direction of the seedling raising container 2. The rotary leveling brush 15 is for leveling the floor soil supplied to the seedling raising container 2 in a large amount by scraping it, and a brush rotary shaft 16 of the rotary leveling brush 15 is rotatably attached to the vertical moving body 11. To wear. In this case, the lower edge of the rotary leveling brush 15 is configured so that the height of the lower surface of the scraper 3 coincides with the lower surface of the scraper 3 when the scraper 3 is located at the lowermost position of the scraper guide hole 12 of the vertical moving body 11.

The left and right vertical moving bodies 11 are attached to a pair of left and right support frames 20 provided above the transfer table 1 so as to be vertically movable and held at a predetermined height position. That is, the scraper 3 is located at the lowermost part of the scraper guide hole 12 of the vertical moving body 11, and then the scraper 3 is lowered together with the vertical moving body 11 with respect to the support frame 20 so that the scraper 3 is placed on the upper surface of the seedling raising container 2. Is contacted to set the initial height, and only the vertical moving body 11 is lowered with respect to the scraper 3 by the scraping amount of the vertical moving body 11 with respect to the support frame 20, and the vertical moving body 11 is supported. After fixing the scraper 3 to the vertical moving body 11, the height adjustment of the scraper 3 and the vertical moving body 11 is completed.

The left and right support frames 20 are provided with left and right guide shafts 21, and the guide shafts 21 are inserted into the movable body guide grooves 22 provided in the up and down moving body 11, and the guide shafts 21 support the up and down moving body 11. A fixture 23 for pressing and fixing to 20 is provided. A vertically long engagement groove (rack groove) 24 is provided at a desired position of the left and right vertical moving bodies 11, a pinion gear 25 is meshed with the engagement groove 24, and the pinion gear 25 is fixed to a handle shaft 27 of a height adjusting handle 26. To do. Therefore, when the height adjusting handle 26 is rotated, the pinion gear 25 rotates, and the rotation of the pinion gear 25 moves the vertical moving body 11 up and down with respect to the support frame 20.

Further, both ends of the brush rotating shaft 16 of the rotary leveling brush 15 are projected laterally from the vertical moving body 11 and are inserted into the brush guide grooves 30 which are vertically provided in the front portion of the support frame 20. The brush rotary shaft 16 protruding from the brush guide groove 30 is provided with a passive gear 31, an output gear 32 provided on the transfer table 1 below the passive gear 31, and a position immovable provided on the support frame 20 above the passive gear 31. The intermediate part of the chain 34, which is wound around the intermediate gear 33 of FIG. In this case, the brush rotating shaft 16 is provided with a vertically moving bearing plate 35 which moves up and down together with the brush rotating shaft 16, the bearing plate 35 is provided with an intermediate gear 36 which moves up and down together with the passive gear 31, and the intermediate gear 36 is provided with the passive gear 31. The chains 34 are alternately meshed with each other, and the passive gear 31 and the intermediate gear 36 are vertically moved while the chains 34 are meshed. 37
Is an elastic body for tension that urges the chain 34 to be stretched, and 38 is a scale portion that displays the positional relationship between the vertical moving body 11 and the support frame 20.

[0011]

[Operation] Next, the operation will be described. Scraper guide hole 12
The scraper 3 to the lowermost position of the scraper guide hole 12 of the vertical moving body 11, and then the scraper guide hole 12 is tightened to move the scraper 3 to the vertical moving body 1.
Fixed to 1. Next, the height adjusting handle 26 is turned to lower the vertical moving body 11 and bring the lower edge of the scraper 3 into contact with the upper surface of the seedling raising container 2 located below the scraper 3. When the scraper 3 is located at the lowermost position of the scraper guide hole 12 of the vertical moving body 11, since the lower surface of the scraper 3 and the lower edge of the rotary leveling brush 15 are aligned with each other, the scraper 3 is placed on the upper surface of the seedling container 2 above. When the lower edge of the rotating flat brush 15 is brought into contact with the lower edge, the lower edge of the rotary leveling brush 15 coincides with the upper surface of the side wall of the seedling raising container 2.

Since the scraper 3 is supported on the upper surface of the seedling raising container 2, when the fastener 13 is loosened, the scraper mounting shaft 10 is free to move up and down with respect to the vertical moving body 11. Only the vertical moving body 11 can be lowered, leaving the scraper 3 supported on the upper surface. Next, when the height adjusting handle 26 is turned to lower only the vertical moving body 11, the lowering amount of the vertical moving body 11 becomes
Since this corresponds to the depth of the upper surface of the side wall of the seedling raising container 2, when this depth is set to a desired scraping amount, the rotary leveling brush 15 is located at the set height, and in this state, the fixture 23
The vertical moving body 11 is pressed and fixed to the support frame 20 by rotating, and then the fastener 13 is tightened to fix the scraper mounting shaft 10 to the vertical moving body 11 and hold the scraper 3 at this height position.

When the seedling-growing container 2 is supplied to the transfer table 1, the seedling-growing container 2 is transferred to receive the bed soil by the bed soil feeding device, and the seedling-growing container 2 reaches below the scraper 3. The seedling raising container 2 is scraped to the side while leveling the excess soil by the scraper 3, and then swept (scraped out) by the rotary leveling brush 15.
Is leveled and soil supply is completed. Since the scraper 3 and the rotary leveling brush 15 can independently set the height with respect to the seedling-growing container 2, in the case of the seedling-growing container 2 having a pot, in order to sufficiently supply the soil to each pot. ,
The scraper 3 can be located slightly above the upper surface of the seedling raising container 2, while the rotating leveling brush 15 leveling the upper surface within a range that does not sweep out the soil in the pot improves the seeding accuracy thereafter. It is also possible to use such a method that the tip (lower end) of the rotary leveling brush 15 is brought into sliding contact with the upper surface of the seedling raising container 2.

However, the rear scraper 4 is formed in a V-shape in plan view that spreads outward as it extends to the front side, and is formed to be wider than the lateral width of the seedling raising container 2, so that the entire lateral direction of the seedling raising container 2 is increased. Approximately while removing excess soil.
Further, on the front side of the rear side scraper 4, a front side central scraper 5 having a V-shaped plan view in the center and an outer scraper front side outer scraper 6 provided outside the front center scraper 5 so as to spread outward toward the front side are provided. Therefore, the excess soil in the central part of the seedling raising container 2 is leveled by the front center scraper 5, and the excess soil on the left and right sides of the seedling raising container 2 is leveled by the outer scraper front side outer scraper 6.

Both ends of the brush rotary shaft 16 of the rotary leveling brush 15 are projected laterally from the vertical moving body 11 and are inserted into the brush guide grooves 30 vertically provided in the front portion of the support frame 20, A passive gear 31 is provided at the end of the brush rotary shaft 16, and the passive gear 31 has the passive gear 31.
Output gear 32 provided on the transfer table 1 below the
Since the intermediate portion of the chain 34, which is laid around the intermediate gear 33 fixedly provided on the support frame 20 above 1, is laid around, and the passive gear 31 and the chain 34 are alternately meshed with the intermediate gear 36. The passive gear 31 and the intermediate gear 36 move up and down while the chain 34 is meshed. Therefore, it is possible to move the passive gear 31 up and down without removing the chain 34, and between the output gear 32 and the intermediate gear 33, which are vertically provided in a stationary state, between the up and down passive gear 31 and the intermediate gear 36. Since the middle portions of the chains 34 are alternately engaged with each other, it can be realized with a simple configuration.

[0016]

[Effect] According to the present invention, the scraper 3 for leveling the bed soil supplied to the seedling-growing container 2 while sliding it on the upper surface of the transfer table 1 for transferring the seedling-growing container to which the soil has been supplied while sliding on the upper surface of the seedling-growing container 2.
And a rotary leveling brush 15 for leveling while sweeping out the bed soil supplied to the seedling raising container 2, the scraper 3 is vertically adjustable with respect to the vertical moving body 11 which moves up and down with respect to the transfer table 1. Installation, the rotary leveling brush 1
A leveling device 5 is rotatably provided on the vertical moving body 11, and the lower surface of the scraper 3 located at the lowermost position with respect to the vertical moving body 11 is aligned with the lower edge of the rotary leveling brush 15. Scraper 3 because it is
The height of the rotary leveling brush 15 can be easily adjusted, and the height of the rotary leveling brush 15 can be adjusted independently. According to the present invention, the bearing plate 35 provided at the end of the brush rotary shaft 16 of the rotary leveling brush 15 is provided with the passive gear 31 and the intermediate gear 36, and the passive gear 31 and the intermediate gear 36 are provided with the passive gear 31. And the intermediate gear 3 which is fixedly provided above the intermediate gear 36.
3 and the output gears 32 provided on the lower transfer table 1 are interleaved with the intermediate portions of the chains 34, which are interleaved with each other to form a leveling device. The height of the flat brush 15 can be adjusted.

[Brief description of drawings]

FIG. 1 is a side view.

FIG. 2 is a plan view of a scraper and a brush.

FIG. 3 is a side view.

FIG. 4 is a partially omitted front view.

FIG. 5 is a side view showing a state in which the height of the scraper and the initial height of the brush are set.

FIG. 6 is a side view showing a state where the brush is set to a predetermined scraping depth.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Transfer stand, 2 ... Seedling raising container, 3 ... Scraper, 4 ... Rear scraper, 5 ... Front center scraper, 6 ... Front outside scraper, 8 ... Mounting shaft, 10 ... Scraper mounting shaft, 11 ... Vertical moving body, 12 ... Scraper guide hole, 13 ... Fastener, 15 ... Rotating and leveling brush, 16 ... Brush rotating shaft, 20 ... Support frame, 21 ... Guide shaft, 22
... guide groove, 23 ... fixture, 24 ... engagement groove, 25 ... pinion gear, 26 ... height adjustment handle, 27 ... handle shaft, 30 ... brush guide groove, 31 ... passive gear, 32 ... output gear, 33 ... intermediate Gears, 34 ... Chains, 35 ... Bearing plates, 36 ... Intermediate gears, 38 ... Scale portions.

Claims (2)

[Claims] 1. A scraper 3 for leveling the bed soil supplied to the seedling-growing container 2 while sliding on the upper surface of the seedling-growing container 2 above a transfer table 1 for transferring the seedling-growing container to which the soil has been supplied, and a seedling-growing container 2 And a rotary leveling brush 15 for leveling while sweeping out the bed soil supplied to the scraper 3, the scraper 3 moving up and down with respect to the transfer table 1
The leveling brush 15 is mounted on the vertical moving body 11 so as to be rotatable only, and the lower surface of the scraper 3 located at the lowermost position with respect to the vertical moving body 11 is mounted on the vertical moving body 11. A leveling device that matches the lower edge of the flat brush 15. 2. The passive gear 31 and the intermediate gear 36 are provided on the bearing plate 35 provided at the end of the brush rotary shaft 16 of the rotary leveling brush 15 according to claim 1, and the passive gear 31 is provided.
Further, the intermediate gear 36 is provided with the intermediate portion of the chain 34, which is wound around the passive gear 31 and the intermediate gear 33 that is positionally fixed above the intermediate gear 36 and the output gear 32 that is provided on the transfer table 1 below. , A leveling device that meshes alternately.