JPH0130041Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial field of application) The present invention relates to an auxiliary feeding mechanism for a soil-filling machine for seedling boxes.

(Prior Art) A conventional soil-filling machine for seedling-raising boxes transports the seedling-growing box 9 using the roller conveyor 4, and sequentially feeds out soil from the hopper device 15 using the soil-filling belt conveyor 16 disposed above the roller conveyor 4. 9 is being supplied by falling,
In particular, when supplying bed soil, immediately after supplying the bed soil, a soil leveling device 42 is used to level the top surface of the bed soil.

(Problem to be solved by the invention) This kind of soil leveling work is performed before the bed soil is completely spread on the seedling nursery box 9, so that the seedling nursery box 9 is light and has low rolling resistance with the roller conveyor 4. Since it is small, the conveyance force is weak, and the transfer of the seedling raising box 9 may be obstructed by the soil leveling brush 45. In addition, soil may adhere to the roller conveyor 4, making accurate transfer difficult.

(Means for Solving the Problem) The problem with the conventional technology is that it is only necessary to provide a roller between the belt conveyor 16 and the soil leveling device 42 that rotates while pressing the seedling box 9 from above. However, this roller must obtain driving force from the roller conveyor 4, and also requires a power transmission means.

In the present invention, the seedling raising box 9 is driven by forcing rollers 33 that are driven from above to come into contact with the belt conveyor 16.

That is, the specific configuration of the problem solving means of the present invention is as follows:
In a soil-entering machine in which a belt conveyor 16 for supplying soil is arranged above a roller conveyor 4 for transferring seedling boxes 9,
A roller 33 supported by a shaft 32 is arranged between both conveyors 4 and 16, and this roller 33 is connected to the upper surface 9a of the seedling box 9 on the roller conveyor 4 and the belt conveyor 1.
6 and the lower surface 16a of 6 at the same time to be able to roll.

(Function) When the seedling growing box 9 is carried to the lower part of the belt conveyor 16 by the roller conveyor 4, the seedling growing box 9
The upper surface 9a of is in contact with the roller 33. This coro 33
is in contact with the lower surface 16a side of the belt conveyor 16 or is pushed up by the seedling raising box 9 and is driven in contact with the lower surface 16a side of the belt conveyor 16, and strongly transfers the seedling raising box 9 while pressing it from above.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

In Figs. 1 to 3, reference numeral 1 denotes a soil digging machine that can be incorporated into a seedling seeding sowing device, and is supported by a support frame 3 formed by disposing a pair of front and rear U-shaped members 2 in cross section facing each other. The seedling raising box transfer mechanism 4 is provided.

The seedling box transfer mechanism 4 is a roller conveyor, in which a pair of rollers 6 are provided on rotating shafts 5 arranged at approximately equal intervals on the support frame 3, and a chain 8 is attached to a sprocket 7 provided at the end of each rotating shaft 5. The seedling growing box 9 placed on the roller 6 can be moved by wrapping it around and transmitting the power of a motor (not shown) to it.

The earth-entering machine 1 has a pair of left and right guide plates 13, 1 on the inner upper part of a pair of front and rear side plates 12 fixed on a support frame 3.
4 to form a hopper device 15, and a belt conveyor 16 is disposed below the hopper device 15.

The hopper device 15 is made up of three upper and lower sections, including a storage section 17 at the top, a guide section 18 at the middle, and a drop-in opening section 19 at the bottom. Inclined surfaces A and B are formed on the inner surface. The lowest positions a and b of both inclined surfaces A and B are shifted vertically, and the lowest position a is higher than the lowest position b by a height H.

A shutter 21 is provided in front of the drop opening 19 of the guide plate 14, and a rack 22 formed on the shutter 21 meshes with a pair of front and rear pinions 23, and rotates a shaft 24 that supports the pinions 23. By moving it, the gap with the belt conveyor 16 can be adjusted, and the amount of soil supplied can be adjusted.

The belt conveyor 16 has a belt 28 wound between rollers 26 and 27 rotatably supported by the side plate 12, and power is transmitted to one of the rollers 27 from the rotating shaft 5 of the transfer mechanism 4 via a winding transmission means 29. ing. It is preferable that the belt conveyor 16 or the winding transmission means 29 be provided with an electromagnetic clutch for operating the clutch after detecting that the seedling box 9 is brought into the soil-entering machine 1.

Reference numeral 31 denotes an auxiliary feeding mechanism disposed below the belt conveyor 16. A pair of rollers 33 are provided on a rotating shaft 32, and both ends of this rotating shaft 32 are connected to the side plate 1.
It is inserted into the inverted triangular hole 34 formed in 2,
It is supported so that it can rotate and move up and down. The rotating shaft 32 and rollers 33 are the same as the rotating shaft 5 and rollers 6 of the transfer mechanism 4.

The distance T between the lower surface 16a of the belt conveyor 16 and the upper surface 9a of the seedling box 9 on the transfer mechanism 4 is set to be slightly smaller than the diameter of the rollers 33;
The roller 33 can come into contact with the belt 28 between the rollers 26 and 27, and can also come into contact with the upper surface 9a of the seedling growing box 9.

Therefore, the rollers 33 come into contact with the seedling box 9 carried into the soil-entering machine 1 and are pushed up, pushing the belt 28
This causes tension in the belt 28, and as a result, the movement of the belt 28 causes the roller 3 to
3 is rotated and driven so as to press the seedling raising box 9 from above.

The auxiliary feed mechanism 31 has an inverted triangular hole 34 that allows the rotating shaft 32 to move vertically.
There is a device in which the seedling box 9 is easily pushed diagonally upward when it comes into contact with it, but instead of being formed in an inverted triangular shape, the hole 34 is a long hole 35 inclined diagonally upward as shown in FIG. It's okay if it's hot.

Further, the auxiliary feeding mechanism 31 includes a roller 33 formed of an elastic body such as rubber, which is rotatably mounted on a shaft 32 that is immovably supported by the side plate 12, and a belt 2.
It may be configured such that the seedling raising box 9 is always moved in contact with the roller conveyor 8 and is conveyed by sandwiching the seedling raising box 9 together with the roller conveyor 4.

Reference numeral 37 denotes a soil guiding device, which includes a first reflecting plate (chute) 38 supported by the side plate 12 and a second reflecting plate 39 supported by a mounting portion 40 fixed to or integrally formed with the side plate 12.

The first reflecting plate 38 is formed of a flat plate, and both ends thereof are attached to the side plate 12 so as to be rotatable and positionally adjustable. Reflect it slightly in the same direction as the box transport direction A.

The second reflecting plate 39 is an angle member with a cross-sectional shape, and both ends of the second reflecting plate 39 are attached so as to be rotatable and vertically adjustable. The soil is reflected in the direction B opposite to the transport direction A, and the second surface 39b guides the soil other than the large particles reflected by the first reflecting plate 38 so as to suppress the reflection.

By means of the first and second reflecting plates 38 and 39, large grain soil is spread on the lower layer of the seedling raising box 9, and medium and small grain soil is supplied on the upper layer, and sufficient soil is also provided near the front edge of the seedling raising box 9. will be included.

Reference numeral 42 denotes a soil leveling device disposed in front of the soil insertion machine 1, which smooths the top surface of the bed soil supplied into the seedling growing box 9. This soil leveling device supports a rotating shaft 44 on the upper part of a frame 43 whose lower end is pivoted to the support frame 3,
A brush 45 is attached to this rotating shaft 44, and the rotating shaft 44 is connected to the transfer mechanism 4 through a winding transmission means 46.
Power can be transmitted from the rotating shaft 5 of the rotary shaft 5. 47
is a height adjustment screw screwed into the frame 43, the lower end of which can come into contact with the upper surface of the U-shaped cross-sectional member 2, and a height adjustment screw 47 that can be freely inserted between it and the upper surface of the member 2. A retraction member 48 is rotatably provided with a bolt 49, and the soil leveling device 42
When the brush 4 is not operated, the retracting member 48
Lift 5 upwards.

(Effect of the invention) According to the invention described in detail above, the rollers that roll under the belt conveyor 16 and simultaneously contact the upper surface 9a of the seedling box 9 on the roller conveyor 4 and the lower surface 16a side of the belt conveyor 16. 33, the rollers 33 are driven by the belt conveyor 16, pressing down the seedling box 9 from above and forcibly driving the seedling box 9, which prevents transport from being obstructed by the soil leveling device 42, etc. Also, the seedling growing box 9 can be transported reliably, and no power transmission means is required to drive the rollers 33, resulting in a simple structure.

[Brief explanation of the drawing]

Figures 1 to 3 show an embodiment of the present invention, where Figure 1 is a sectional front view, Figure 2 is a sectional view taken along the - line in Figure 1, Figure 3 is a front view of the main parts, and Figure 4. FIG. 3 is a front view showing another example of the bearing hole. 1... Soil entry machine, 4... Seedling box transfer mechanism (roller conveyor), 9... Seedling box, 9a... Top surface, 16...
... Belt conveyor, 16a ... Bottom surface, 31 ... Auxiliary feed mechanism, 32 ... Rotating shaft, 33 ... Roller, 3
4...hole, 42...soil leveling device, T...interval.

Claims (1)

[Scope of utility model registration request] In a soil-entering machine in which a belt conveyor 16 for soil supply is arranged above a roller conveyor 4 for transferring seedling boxes 9, a roller 33 supported by a shaft 32 is arranged between both conveyors 4 and 16, and this roller 33 is This auxiliary feeding mechanism for a soil-entering machine is characterized in that it is able to roll by coming into contact with the upper surface 9a of a seedling growing box 9 on a roller conveyor 4 and the lower surface 16a of a belt conveyor 16 at the same time.