JPH0110982Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to a device for preventing fertilizer from leaking when the surface of the feeding roll is worn out in a feeding device that feeds out the feeding roll while rotating below the hopper. It is something.

(B) Prior Art Conventionally, in a feeding device constituted by a feeding roll, a technique is known in which an inclined side plate is arranged inside the side plate to form a double structure.

For example, there is a technique described in Japanese Utility Model Application Publication No. 58-41117.

(c) Problems that the invention aims to solve Recently, solidified fertilizers are often spread, which can cause scratches and grooves on the surface of the feeding rolls due to long-term use. The problem was that the side plates also wore out, creating a gap between the two, through which fertilizer could escape outside the capsule.

In the above-mentioned conventional technology, since the partition plate that forms a sealed part between the feed roll and the partition plate is configured in a funnel shape, a squeezing pressure is generated on the fertilizer at the lower end of the funnel, which causes the separation between the feed roll and the partition plate. This caused a problem in that the force caused the fertilizer to come out from between the parts, increasing the degree of wear on the parts.

In addition, since the side plate is fitted on the outside of the feeding roll, the side plate is placed outside by the margin of adjustment width of the adjustment roll, resulting in a problem that the feeding capsule portion becomes larger. .

The present invention improves this point.

(d) Means for solving the problem The purpose of the present invention is as described above. Next, the configuration for achieving the purpose will be explained.

A roll main body 30 with the same outer diameter as the feed roll 7
and an adjustment roll 37, the roll body 30
The grooves 35 of the roll body 30 are cut out at equal intervals from one end to the circumference of the adjustment roll 37, leaving a cylindrical surface 36 at the other end. Branch rods 38 having the same cross-sectional shape are provided protrudingly at equal intervals, and the branch rods 38 are fitted into the grooves 35 to form a cylindrical surface 39 on the groove 35 side of the roll body 30. An adjustable recess 8 is formed by the opposing portion of the branch rod 38, and the cylindrical surfaces 39, 36 are fitted into round holes 16, 17 opened in the side plates 2, 3 hanging from the hopper 4, and The partition plates 22 and 23 are suspended from the hopper 4 with gaps C and C provided inside, and the lower circumference 26 of the partition plates 22 and 23 is
27 is closely attached to the circumference of the cylindrical surfaces 39, 36 between the shielding plate 11 and the brush 12 extending from at least the hopper 4 side, and the side plates 2, 3 and the partition plates 22, 23
The lower part is opened inside the side plates 2 and 3.

(E) Embodiment The purpose and structure of the present invention are as described above. Next, the structure of the embodiment shown in the attached drawings will be explained.

An embodiment of the device of the present invention will be described based on the drawings.

In Figures 1, 2, and 3, 1 is a stainless steel capsule that forms the main body of the dispensing box, and is made into a rectangular tube shape with a rectangular cross section with both upper and lower sides fully open. The square bottom of the hopper 4 containing the capsule is fitted, and the left and right side plates 2 and 3 of the capsule are connected to the bottom of the hopper 4 with bolts 5 and 5, and the U-shaped support fitting 6 welded to the front plate is used to connect the fertilizer applicator (not shown). (none), and a funnel with a flexible tube inserted (both not shown) is placed over the lower mouth.

Reference numeral 7 denotes a feed roll housed in a capsule 1, which has eight recesses 8 at equal intervals on its circumferential surface, is fixed to an operating shaft 10 having a flat surface 9, and is rotated in a counterclockwise direction B. Reference numeral 11 denotes a stainless steel shielding plate installed diagonally at the rear upper part of the capsule 1. The vertical piece of the upper part is held between the capsule and the bottom of the hopper, and the lower edge is bent at an acute angle to the rear side. Add it to the corner. 1
Reference numeral 2 denotes a brush that comes into contact with the front edge of the feed roll 7, and its holder 13 is fitted into a groove-shaped mounting piece 14 diagonally welded to the front side plate of the capsule 1 and fixed with a bolt 15 to remove the fertilizer that has entered the recess 8. Scrape and drop a certain amount. Here, the thickness of the brush 12 is made larger than the vertical width (width in the circumferential direction) of the recess 8 to prevent the fertilizer from falling no matter where the feed roll 7 stops.

Large round hole 1 in left and right side plates 2 and 3 of capsule 1
6 and 17 are hollowed out, the feed roll 7 is fitted into the hole 1, and the hopper connecting bolt 5 is passed through the upper part of both side plates.
8 is opened, a circular cover plate 20 is spot welded to the right side plate, and the operating shaft 10 is inserted into the core hole 21. 2
2 and 23 are stainless steel partition plates placed on both sides of the capsule 1, with through holes 24 and 25 drilled in the upper edge.
Pass the bolts 5 and 5 through the capsule's side plates 2 and 3.
, and bend it in steps near the top edge so that the slightly inside sides of both sides hang straight. Partition plates 22, 23
The rear part of the lower edge is diagonally aligned with the shielding plate 11,
The central part of the lower edge is cut out in an arc shape, and this arc-shaped peripheral edge is closely aligned with the upper circumferential surface and front circumferential surface of the feed roll 7 to reach the lower side of the brush 12. the side plates 2, 3, partition plates 22, 23
A gap C is formed between the two plates.
Here, the through holes 24 and 25 of the partition plates are made somewhat larger than the bolts 5, and when the peripheral edges 26 and 27 are worn out, by lowering the partition plates 22 and 23 using the through holes 24 and 25, the peripheral edges 26 and 27 are lowered. , 27 are brought into contact with the feed roll 7 to eliminate gaps.

The feed roll 7 in this embodiment is configured so that the size of the recess 8 can be adjusted.

As shown in FIG. 2, this delivery roll is a combination of a cylindrical roll main body 30 and an adjustment roll 37, and the right end surface of the roll main body is brought into contact with the lid plate 20 of the capsule, and the operating shaft 10 is inserted into the core hole 21 of the roll main body. A cylindrical boss 31 is provided protruding from the left end surface so that the inner flat surface is aligned with the flat surface 9 of the operating shaft, and a deep annular cut 32 is made at the base of the boss 31 to house the tension spring 33. Cut a screw 34 on the circumference of the boss.

Eight grooves 35 having a semicircular cross section are cut out at equal intervals from the left end on the circumferential surface of the roll body 30,
The cylindrical surface 36 left at the right end of the circumferential surface is tightly fitted into the round hole 17 on the right side plate of the capsule, and the circumferential circle 27 of the right partition plate is tightly aligned with the upper circumferential surface and the front circumferential surface of the cylindrical surface 36. , the right side plate 3 and the right partition plate 23 prevent fertilizer from leaking from the right side of the capsule 1.

Eight branch rods 38 having the same cross-sectional shape as the grooves 35 of the roll body are protruded from the circumference of the adjustment roll 37 at equal intervals. The left side is a cylindrical surface 39,
A recess 8 is adjustable with grooves 35 and branch rods 38, and a core hole of the disc is fitted into a boss 31 of the roll body, so that a spring 33 is pressed against the inner surface. The roll main body 30 has a cylindrical portion 39 that is tightly fitted into the round hole 16 of the left side plate of the capsule, and a peripheral edge 26 of the left partition plate is closely aligned with the upper and front circumferential surfaces of the cylindrical surface 39, and the left side plate 2 The left partition plate 22 prevents fertilizer from leaking from the left side of the capsule. Reference numeral 40 denotes an adjustment ring that is screwed onto the screw 34 of the boss.It has a notch (not shown) on its circumferential surface to make it easier to turn by hand, and engages a toothed circle 41 provided at the contact portion of the adjustment roll 37 with the boss. Avoid moving unnecessarily. Reference numeral 42 denotes a β-shaped snap pin fitted to the operating shaft 10, which presses the end surface of the boss 31 and closes the lid plate 20.
By holding the roll body 30 with the handles and removing the snap pin 42, the roll body 30 can be pulled out from the operating shaft 10. This feed-out roll 7 is almost the same as that provided in the coating seed feed-out device (Utility Application No. 58-27707), and the adjustment ring 40 is returned and separated from the boss of the adjustment roll 37, and the disc is held by the branch rod 38. is moved in and out of the groove 35 to make the recess 8 a desired size, and then the toothed edge 41 of the adjustment ring is engaged to prevent the adjustment roll 37 from moving.

(F) Effect of the invention An embodiment of the device of the present invention has the above configuration,
The fertilizer A placed in the hopper 4 fills the top of the hopper and capsule 1, and this fertilizer enters the recesses 8, 8 on the upper side of the feed roll 7. When the feed roll rotates, the fertilizer that has entered the recess 8 is carried out and Since the fertilizer protruding from the recess is scraped off by the brush 12, a substantially fixed amount of fertilizer is delivered one after another as the delivery roll 7 rotates, and falls from the funnel to the ground via the flexible tube.

In this embodiment, the upper and front parts of the capsule 1, which is the main body of the dispensing box, are separated by side plates 2, 3 and partition plates 22, 23.
It has a double structure with gaps C and C formed between both plates, and even if hard fertilizer is caught between the partition plates 22 and 23 and the feed roll 7, the partition plates are not that thick, so the gaps C and C are formed between the two plates. C, C, this fertilizer slides on the circumferential surface of the delivery roll 7, enters the funnel, enters the recess 8, and falls to the ground together with the delivered fertilizer. As a result, in this embodiment, even when hard fertilizer is used, the delivery roll 7 is less likely to be scratched, and the fertilizer is prevented from spilling out from the side plates of the delivery box. Furthermore, since the capsule 1, the shielding plate 11, and the partition plates 22, 23 are made of stainless steel, they will not be corroded by fertilizer, and the capsule and partition plates will not be worn out by hard fertilizer. Next, in this embodiment, since the thickness of the brush 12 is made larger than the vertical width of the recess 8, the fertilizer will not fall no matter where the feed roll 7 stops.

Also, even if used for a long period of time, the circumference of the partition plate 26, 27
When the partition plates 22 and 25 wear out, the partition plates 22 and
By lowering the roller 23, its peripheral edges 26, 27 are brought into contact with the feed roll 7, eliminating the gap.

(g) Effects of the invention Since the invention is constructed as described above, it has the following effects.

First, the side plates 2 and 3 are suspended from the hopper 4,
In addition, since the partition plates 22 and 23 also hang down from the hopper 4, the lower end of the partition plate is Because of the funnel shape, no pressure is applied to squeeze the fertilizer inward at the portion facing the feed roll.

Therefore, the pressure that would force the fertilizer to leak out from between the partition plates 22, 23 and the feed roll 7 against this pressure does not work, so grooves are formed on the outer periphery of the feed roll 7 due to friction, and the partitions As the lower ends of the plates 22 and 23 wear down, the speed slows down.

Secondly, in the conventional technique, Japanese Utility Model Application Publication No. 58-41117, the side plate is fitted on the outside of the feeding roll, so there is a margin for sliding adjustment of the adjustment roll that constitutes the feeding roll. The side plate will be located on the outside by that amount.
As a result, the dispensing capsule part became large and it was not possible to make it compact.

In the present invention, the side plates 2 and 3 are moved to the feed roll 7.
Since it is fitted on the cylindrical surfaces 36 and 39 of
The dispensing capsule 1 can be constructed in a small size and at low cost.

Thirdly, the partition plates 22, 23 and the cylindrical surfaces 36, 39
This part constitutes the first partition part, and the second partition part for the fertilizer leaked from this part is constituted between the side plates 2, 3 and the cylindrical surfaces 36, 39, so the partition plates 22, 23 There is no need for the side plates 2 and 3 to be in a fitted state that absolutely does not allow leakage, and by adopting a double-closed structure, grooves are formed on the circumferential surface of the feed roll 7 due to wear, and the partition plates 22, Even if the lower end edges of the side plates 23 and the side plates 2 and 3 are worn out, the structure can sufficiently prevent the leakage of fertilizer.

[Brief explanation of the drawing]

The drawings show an embodiment of the device according to the present invention; FIG. 1 is a longitudinal sectional view thereof, FIG. 2 is a sectional view taken along line DD in FIG. 1, and FIG. 3 is an exploded perspective view of the embodiment. . 1... Capsule, 2, 3... Capsule side plates, 4... Hopper, 5... Connection bolt, 11...
...shielding plate, 12 ... brush, 22, 23 ... partition plate, 24, 25 ... through hole, 26, 27 ... circumference,
C...Gap.

Claims (1)

[Scope of utility model registration request] A roll main body 30 with the same outer diameter as the feed roll 7
and an adjustment roll 37, the roll body 30
Grooves 35 are cut out at equal intervals from one end to the other end of the adjustment roll 37, leaving a cylindrical surface 36 at the other end. Branch rods 38 having the same cross-sectional shape as 35 are protruded at equal intervals, and the branch rods 38 are fitted into the grooves 35 to form a cylindrical surface 39 on the groove 35 side of the roll body 30. The cylindrical surfaces 39 and 36 are fitted into the round holes 16 and 17 opened in the side plates 2 and 3 hanging from the hopper 4, and the side plates 2 and 3 The partition plates 22 and 23 are suspended from the hopper 4 with gaps C and C provided inside the partition plates 22 and 23, and the lower circumferences 26 and 23 of the partition plates 22 and 23 are
27 to the circumferential surfaces of the cylindrical surfaces 39 and 36 between the shielding plate 11 and the brush 12 extending from the hopper 4 side at least, and the lower parts of the side plates 2 and 3 and the partition plates 22 and 23 to the inside of the side plates 2 and 3. A fertilizer dispensing device characterized by an opening.