JP2958184B2 - Seedling box washing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling box washing machine for automatically washing a seedling box.

[0002]

2. Description of the Related Art Conventionally, a seedling box cleaning apparatus for automatically cleaning a seedling box is described in (a) and (b) below.
Etc. are known.

(A) As shown in FIG.
A water tank 103 provided above is covered with a cover 102 having an insertion port 102A and a discharge port 102B of a seedling box, and a transmission case 107 rotatably supported by a bracket 106.
A rotatable brush 108 is rotatably provided on the free end side, and the rotatable brush 108 is rotated forward and backward by a forward and reverse rotation motor 105 via a belt and a pulley.

In this seedling box cleaning device, the insertion opening 10
The seedling box 104 supplied from 2A is wiped by the rotating brush 108 rotating forward and backward, and at the same time, is washed by the water sprayed from the nozzle of the water supply pipe 109 and discharged from the discharge port (actual opening 55-55). No. 113058).

(B) As shown in FIG. 9, a pair of cleaning brushes 202 and 203 arranged side by side in a horizontal direction are arranged such that their rotation axes are higher than the level of the washing water stored in the tank 201. Position both upper brushes,
A nursery box guide frame 208 is provided on a cover 205 covering
An insertion port 207 having an opening is opened. Further, the tank 201 is provided with an overflow type drainage section 206 on the lower side in the flow direction of the washing water.

In this seedling box washing machine, when the seedling box 204 is inserted through the insertion port 207, water is first sprayed from the outlet of the pipe 209, and then the brushes 202 and 203 are sprayed.
As a result, mud, roots and the like attached to the nursery box are scraped off, and half of the nursery box is washed. After that, insert this nursery box into the slot 20
7 and inverted, and inserted again through the insertion port 207 to wash the remaining half (see Japanese Utility Model Publication No. 56-263263).

[0007]

Among the above prior arts, (a) can wash only one side of the seedling box, and in order to wash both sides of the seedling box, the seedling box is turned over after washing on one side. It is necessary to wash again and (b) is to wash half of the seedling box, and it is necessary to invert and wash twice.

In both (a) and (b), brushes are provided on uneven portions such as walls before and after the seedling box in the traveling direction and on the corners of the inner surfaces of both side walls extending in the same direction as the traveling direction of the seedling box. However, there is a problem that this part cannot be washed and cannot be washed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the related art, and the entire surface of the seedling box is washed only by supplying the seedling box once from the supply port, and the seedling box has irregularities. It is an object of the present invention to realize a seedling box washing machine capable of washing a portion and a corner of the inner surface of both side walls extending in parallel with the traveling direction of the seedling box.

[0010]

In order to achieve the above object, a seedling box washer according to the present invention comprises a washing machine main body provided with a water supply means for spraying a washing liquid, a supply port side of the washing machine main body, and a suction port. A supply roll mechanism and a take-out roll mechanism for transporting the seedling boxes respectively disposed on the exit side; and a forcedly rotated transport, which is sequentially disposed at intervals from the supply roll mechanism side to the take-out roll mechanism side. A lower brush and an upper brush for wiping a lower surface and an upper surface of the seedling box, respectively, and a side brush for wiping both side surfaces of the seedling box, wherein the lower brush is on the outlet side. Has a swing center, is provided inclined to the supply port side, and is supported by the free end side of the lower brush arm urged by an elastic body toward the moving seedling box, and the upper brush is On both ends Comprises a brush shaft having a conical tapered portion has bristles disposed radially on the circumferential surface of the brush axis including the tapered portion, the shape of the bristles outer peripheral surface,
An elastic body having a shape similar to the shape of the outer peripheral surface of the brush shaft, having a swing center on the supply port side, being inclined toward the outlet port side, and facing the seedling box to be conveyed. The upper brush arm is biased by a free end of the upper brush arm.

[0011] Further, a motor for rotating the supply roller mechanism and the take-out roller mechanism, and a motor for rotating the lower brush, the upper brush, and the side brush may be provided. It is preferable that an opening is formed in the washing machine, and a box-shaped water tank that can be taken in and out of the opening is disposed in the main body of the washing machine.

[0012]

The seedling box to which the washing liquid is sprayed and supplied from the supply port is sprayed with the washing liquid while being conveyed by the supply roller mechanism and the take-out roller mechanism, and is sequentially wiped by the lower brush, the upper brush, and the side brush. It is released from the outlet later.

In this case, the lower brush first contacts the outer surface of the front wall in the traveling direction of the seedling box and wipes it off. Then, the lower brush is pushed down by the seedling box and wraps around the outer surface of the bottom wall to wipe this portion. Then, after the upper brush abuts on the front wall of the seedling box, it wraps around the inner surface of the seedling box and also wipes the entire inner surface including the corners on both side walls extending in the same direction as the traveling direction of the seedling box.
Further, the side brushes come into contact with both sides of the seedling box, and both sides of the seedling box are wiped. In this way, the entire surface including the uneven portion of the seedling box and the corners of both side walls parallel to the traveling direction of the seedling box is wiped without any flattening.

[0014]

An embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a plan view showing a state in which a cover of a seedling box washing machine main body of the first embodiment is removed, and FIG. 2 is a schematic elevation view of an upper brush of the first embodiment shown in FIG. FIG. 3 is FIG.
FIG. 3 is a cross-sectional view taken along line AA of FIG.

The frame 8 is formed in a table shape having four supporting legs, and supports the box-shaped washing machine main body 1 having an open upper surface. A supply port 12 for introducing a seedling box is provided on a front wall of the main body 1 of the washing machine, and an outlet 13 for discharging the seedling box is provided on a rear wall. A space 4 partitioned by a partition wall 1D is formed below the supply port 12, and a first motor 18 and a second motor 19 are stored and installed in the space 4 in series. For this reason, since a small motor can be used, the size of the seedling box cleaning machine can be reduced.

The main body 1 of the washing machine is provided with a water supply pipe 24 for spraying a washing liquid such as water at an appropriate portion on an upper part thereof, and a drain pipe 2A is provided on a bottom plate 1A and a lower part is provided. Is a water tank 2, and a cover 3 is detachably provided on the upper part.

[0018] Both side plates 1B of the cleaning machine body 1 having a double wall structure are provided.
1C, a supply roller mechanism 9 is provided on the supply port side, a take-out roller mechanism 11 is provided on the take-out side, and a feed roller mechanism 10 is provided between the two.
Are rotatably supported respectively, and the second motor 1
9, the rotary driving force is transmitted via a belt transmission mechanism composed of each pulley 22A, 22B, 22C, 22D and each belt 23A, 23B, 23C. The supply roller mechanism 9, the feed roller mechanism 10 and the take-out roller mechanism 11 are provided with a spring having a gear-shaped protrusion on the outer periphery forcibly rotated by the belt transmission mechanism and a pair of rolls having the protrusion. Each is constituted by a freely rotating presser roll constantly biased by S (see FIGS. 4 and 5).

Of these, the feed roller mechanism 10 may be provided as needed, and in the present embodiment, one example is shown, but two or more feed roller mechanisms may be provided. Further, instead of a roll having projections, a roll made of rubber, soft plastics, or the like without projections on its outer peripheral surface can be used.

As described above, in this embodiment, the second motor 19 is supplied to the supply roller mechanism 9 and the take-out roller mechanism 11.
By using a belt transmission mechanism as a means for transmitting the rotational driving force, noise generation is suppressed as compared with the case where a gear transmission mechanism is used.

Further, both side plates 1B, 1C of the main body 1 of the washing machine are provided.
A pair of main shafts 16 and 17 disposed at predetermined intervals in the vertical direction are rotatably supported at the center in the longitudinal direction. One end side of a pair of plate-like lower brush arms 14 is rotatably supported on the lower main shaft 16 in a state inclined toward the supply port side along both side plates 1B and 1C. The side rotatably supports the lower brush 5 and is constantly urged in a clockwise direction in FIG. 2 by a tension spring 14A which is an elastic body. That is, the lower brush arm 14 is urged by the elastic body toward the seedling box to be transported.

On the other hand, on the upper main shaft 17, both side plates 1B,
1C, one end side of a pair of upper brush arms 15 similar to the lower brush arm 14 is freely rotatably supported in a state inclined to the outlet side, and the upper brush arm 1
The free end side of 5 rotatably supports an upper brush 6 having a shape to be described later, and is always urged in a clockwise direction in FIG. 2 by a tension spring 15A which is an elastic body. That is, the upper brush arm 15 is urged by the elastic body toward the seedling box to be transported.

The remaining side brush 7 has a pair of side brush portions 7A and 7B for wiping both side surfaces of the moving seedling box, and is closer to the outlet 13 than the upper brush 6 of both side plates 1B and 1C. Is rotatably supported at the part.

As shown in FIGS. 1 and 2, the upper brush 6 has a brush shaft 6C having conical tapered portions 6D at both ends thereof, and a radially extending surface of the brush shaft 6C including the tapered portion 6D. It has the provided brush bristles 6B, and the shape of the outer peripheral surface of the bristle tip 6A is similar to the shape of the outer peripheral surface of the brush shaft 6C.

The above-mentioned lower brush 5, upper brush 6 and side brush 7 are each
A, 20B, 20C, 20D, 20E, 20F, 20G
In addition, the rotation driving force is transmitted via the respective belts 21A, 21B, 21C, and 21D.

As described above, the means for transmitting the rotational driving force of the first motor 18 to the lower brush 5, the upper brush 6, and the side brush 7 is a belt transmission mechanism, thereby suppressing generation of noise. I have.

Needless to say, both side plates 1B, 1B
C is formed with slits 25 and 26 for enabling movement of the pressing roll axes of the roller mechanisms 9, 10, and 11, and the axes of the upper and lower brushes.

Here, the operation of this embodiment will be described with reference to FIG.

At the start of the cleaning operation, a cleaning liquid supply source is connected to the water supply pipe 24 to supply and spray the cleaning liquid, and the first motor 18 and the second motor 19 are activated to activate the lower brush 5, the upper brush 6, and the side brush. 7, supply roller mechanism 9, feed roller mechanism 10, and take-out roller mechanism 11
Is rotated in the direction in which the seedling box 30 is transported from the supply port 12 to the outlet 13 (in the direction of the arrow).

As shown in FIG. 6A, the seedling box 30 supplied upward from the supply port 12, for example, is conveyed in the direction of a white arrow, and its tip end surface contacts the lower brush 5 and is wiped off. You. After that, as shown in FIG. 6B, the bottom surface of the seedling box 30 rides on the lower brush 5 and pushes the lower brush 5 down against the elastic force of the tension spring 14A of the lower brush arm 14. As the seedling box 30 is conveyed, the bottom surface of the seedling box is wiped off by the lower brush 5.

Next, after the tip of the seedling box 30 comes into contact with the upper brush 6, the upper brush 6 is lifted up against the elastic force of the tension spring 15A of the upper brush arm 15, and FIG. As shown, the upper brush 6 descends along the inner surface of the seedling box by the elastic force of the tension spring 15A, and the upper surface and the inner surface of the tip of the seedling box are wiped. At this time, since the upper brush 6 has the above-mentioned shape, as shown in FIG. 2, the tip of the tapered portion 6D extends in the same direction as the traveling direction of the seedling box 30 at the corners of both side walls and the both sides. Wipe the top edge of the wall. That is, the bristle tips 6A come into contact with the inner surfaces of both side walls including the corners of the both side walls and are wiped off, so that the brushes can be cleaned cleanly and the life of the upper brush 6 is extended. When the rear end of the seedling box 30 is separated from the lower brush 5, the lower brush 5 rises through the lower brush arm 14 by the elastic force of the tension spring 14 </ b> A. Dispel. At the same time, both side surfaces of the seedling box 30 are wiped by the side brush 7.

Further, although not shown, when the seedling box 30 moves and its rear end inner surface comes into contact with the upper brush 6, the upper brush 6 rotates against the elastic force of the tension spring 15A. It rotates together with the brush arm 15 and is pushed upward along the inner surface of the rear end of the seedling box 30. At this time, the inner surface and the upper surface including the corner at the rear end of the seedling box 30 are wiped. After that, the seedling box 30 is further conveyed and discharged from the outlet 13 by the take-out roller mechanism 11.

As described above, the whole seedling box 30 supplied from the supply port 12 into the washing machine main body 1 is wiped and completely washed while being discharged from the outlet port 13.

Next, a second embodiment of the seedling box washer shown in FIG. 7 will be described. In this embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and the description thereof will be omitted, and the parts different from the first embodiment will be described.

In this embodiment, a draw-out water tank 102 having a handle 102B which can be pulled out and pushed in the directions of arrows and counter-arrows is provided on the bottom plate 1A of the main body 1 of the washing machine.
A drain pipe 102A is provided at an appropriate position of the drawer water tank 102. This drainage pipe 102A is for discharging the washing water stored in the draw-out water tank 102 by overflow as well as floating debris as in the first embodiment. In addition,
A slit 101 is formed in a portion of the bottom plate 1A of the cleaning machine main body 1A corresponding to the drain pipe 102A, and a draw-out water tank 102 is formed.
So that it does not get in the way when you pull it in and out.

In this embodiment, when a deposit such as dirt or pebbles is deposited on the bottom of the draw-out water tank 102 with the progress of the washing operation, the handle 102B of the draw-out water tank 102 is grasped and pulled out, and the precipitate is discarded. be able to.

[0037]

Since the present invention is configured as described above, the following effects can be obtained.

Until the seedling box supplied from the supply port is discharged from the outlet, the entire surface of the seedling box is wiped by one of the upper brush, the lower brush, and the side brush. As a result, the entire seedling box, including the corners of both side walls extending in the same direction as the seedling box in the same operation, can be completely washed with one operation without touching, thereby improving work efficiency. In addition, since the upper brush has the shape as described above, its tips come into contact with the corners of the side walls and the inner surfaces of the side walls to wipe it off, so that the brush can be cleaned cleanly and the life of the upper brush is prolonged.

In the case where a draw-out type water tank is provided, the sediment deposited inside the tank as the washing operation proceeds is
It is convenient because the drawer type water tank can be removed from the main body of the washing machine and removed.

[Brief description of the drawings]

FIG. 1 is a plan view showing a first embodiment of a seedling box washer according to the present invention, with a cover removed.

FIG. 2 is a schematic elevation view of the upper brush of the first embodiment shown in FIG.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is a side view of the seedling box washer shown in FIG. 1 as viewed from a first motor side.

FIG. 5 is a side view of the seedling box cleaning machine shown in FIG. 1 as viewed from a second motor side.

FIG. 6 is an explanatory diagram illustrating the operation of the seedling box cleaning machine of the present invention.

7 shows a second embodiment of a seedling box washer according to the present invention, and FIG.
It is sectional drawing similar to.

FIG. 8 is a sectional view showing a conventional seedling box cleaning machine.

FIG. 9 is a cross-sectional view showing another conventional seedling box cleaning machine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Washer main body 1A Bottom plate 1B, 1C Side plate 1D Partition wall 2 Water tank 2A, 102A Drain pipe 3 Cover 4 Void 5 Lower brush 6 Upper brush 6A Hair tip 6B Brush hair 6C Brush shaft 6D Tapered part 7 Side brush 8 Frame 9 Supply roller mechanism 10 Feed roller mechanism 11 Removal roller mechanism 12 Supply port 13 Removal port 14 Lower brush arm 14A, 15B Tension spring 15 Upper brush arm 16, 17 Main shaft 18 First motor 19 Second motor 101 Slit 102 Pull-out water tank

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-55-145582 (JP, A) Jikken 61-5078 (JP, Y2) (58) Fields investigated (Int. Cl. ⁶ , DB name) A01G 9/06

Claims (4)

(57) [Claims] 1. A washing machine main body provided with a water supply means for spraying a washing liquid, and a supply roll mechanism and a take-out mechanism for transporting seedling boxes disposed on a supply port side and an outlet side of the washing machine main body, respectively. A roll mechanism, and a lower brush and an upper brush, which are sequentially disposed at intervals from the supply roll mechanism side to the take-out roll mechanism side, and respectively wipe a lower surface and an upper surface of the seedling box that is forcibly rotated and conveyed, and A seedling box washing machine provided with a side brush for wiping both side surfaces of a seedling box, wherein the lower brush has a swing center on the outlet side, is provided to be inclined toward a supply port side, and is movable. The upper brush is supported at the free end side of a lower brush arm urged by an elastic body toward a seedling box to be moved, and the upper brush includes a brush shaft having a conical tapered portion at both ends and includes the tapered portion. B The brush shaft has brush bristles radially provided on the peripheral surface of the shaft, the shape of the outer peripheral surface of the bristle is similar to the shape of the outer peripheral surface of the brush shaft, and swings toward the supply port side. A seedling box having a moving center, inclined to an outlet side, and pivotally supported by a free end side of an upper brush arm urged by an elastic body toward the seedling box to be conveyed. washing machine. 2. The seedling according to claim 1, further comprising a motor for rotating the supply roller mechanism and the take-out roller mechanism, and a motor for rotating the lower brush, the upper brush, and the side brush. Box washer. 3. The seedling box washing machine according to claim 2, wherein the means for transmitting the rotational driving force of each motor is a belt transmission mechanism. 4. An apparatus according to claim 1, wherein an opening is formed in one surface of a side wall of the main body of the washing machine, and a box-shaped water tank which can be freely taken in and out of the opening is provided in the main body of the washing machine. Or the seedling box washer according to 3.