JP3031820B2 - Seedling box cleaning 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 As shown in FIG. 9, a conventional seedling box washing machine includes a swinging brush 102 and an intermediate brush 103 on both side plates 101B and 101C of a washing machine main body 101 in order from a supply port 120 to an outlet 121. The rear brush 104 is rotatably supported, and the seedling box W ₀ (see FIG. 10) supplied from the supply port 120 is supplied at a low speed and intermittently by a ratchet mechanism 125 and a supply roller mechanism 105 and an extraction roller mechanism. The liquid supply pipe 1 is transported by the feed port 107 and discharged from the outlet 121 onto the guide rod 111.
08, the cleaning liquid is sprayed, and the entire surface is wiped off by the oscillating brush 102, the side brushes 102B and 102C, the intermediate brush 103, and the rear brush 104 sequentially. Note that the supply roller mechanism 1
Supporting rollers 106 for supporting the seedling box W ₀ is provided between the 05 and the take-out roller mechanism 107.

[0003] Supply roller mechanism 1 of this conventional seedling box cleaning machine
05, as shown in FIG. 10, the transport roll 1 in a state in which nipped than shown lower the seedling box W ₀ by the pressing roll 105A to free rotation and the conveying roll 105B to be forced rotation
It is intended to convey by friction force generated between the outer peripheral surface and the external surface of the bottom wall of the seedling box W ₀ of 05B. The take-out roller mechanism 107 is configured similarly to the supply roller mechanism 105.

[0004]

In the above-mentioned prior art, since the supply roller mechanism and the take-out roller mechanism are configured as described above, a seedling box having a predetermined size and shape is transported at a low speed and the entire surface thereof is moved. Can be washed. But,
Since the size and shape of the seedling box are not uniform and differ depending on the manufacturer, for example, when used for cleaning a seedling box with a shallow depth or a seedling box with a thin peripheral edge protruding from the bottom wall, An unsolved problem that it is not possible to transport smoothly because the frictional force generated at the contact portion between the box and the transport roll is small, and in some cases the seedling box may be stagnated in the main body of the washing machine. was there.

The present invention has been made in view of the above-mentioned unsolved problems of the prior art, and is intended to smoothly transport a seedling box having a different size and shape to clean the entire surface thereof. The purpose of the present invention is to realize a seedling box washing machine capable of performing the above-mentioned.

[0006]

In order to achieve the above object, a seedling box washer according to the present invention is provided with a liquid supply means for spraying a cleaning liquid, and has a supply port and a supply port on side walls facing each other. A washing machine main body having an outlet, a supply roller mechanism and a take-out roller mechanism for transporting a seedling box disposed near each of the supply port and the take-out port, and an interval from the supply port side to the take-out port. swinging brushes to wipe the seedling box Oite are sequentially disposed, an intermediate brush and rear brush, the oscillating brush,
A seedling box washing machine provided with a rotation drive means for rotating an intermediate brush and a rear brush , wherein the swinging brush has a swinging center at the take-out side and a free end side toward the supply port side. are normally <br/> with time urging the swingable is pivotally supported on the free end of the brush arm, and the elastic member toward the seedling box is sent transportable facing, moreover seedlings at both ends In a seedling box washing machine having side brushes for wiping both sides of a box, the supply roller mechanism and the take-out roller mechanism are arranged at intervals so as to sandwich the seedling box from above and below. A pair of rotatable rolls, and one of the pair of rolls is rotatably supported on the free end side of a swingable support member and is constantly biased toward the other by an elastic member. And the rotation driving means is It has a transmission means for forced rotation of all the rolls, the liquid supply means for spraying the cleaning liquid, prior to
Oscillating brush, middle brush and rear brush respectively
The brush is provided with three straight sections almost parallel to each of the above brushes.
In addition, a plurality of nozzles for spraying the cleaning liquid are provided on each linear portion.
It is characterized by comprising a series of pipes having a chiral hole .

Each roll is effective if it has a plurality of protrusions projecting at intervals in the circumferential direction to increase the frictional force with the seedling box, or if it has elasticity. is there.

[0008]

[Function] The seedling box supplied from the supply port into the washing machine body is
Since the pressure is pressed from above and below by the forcedly-rotated rolls provided in the supply roller mechanism and the take-out roller mechanism, a large frictional force is generated at the contact portion between the seedling box and the roll,
Transported smoothly and reliably. The cleaning liquid is sprayed before being discharged from the outlet, and the entire surface is sequentially wiped and cleaned by the swinging brush, the intermediate brush, and the rear brush.

For example, the seedling box supplied upward into the main body of the washing machine is wiped by the outer surface of the front wall in contact with the oscillating brush, and then is pushed down by the oscillating brush to move forward. The outer surface of the bottom wall of the seedling box is wiped off. Further, while the seedling box is moving forward, the inner surface of the seedling box is wiped twice by the intermediate brush and the rear brush, during which the seedling box is detached from the oscillating brush and the oscillating brush is raised by the elastic force of the elastic member. However, at this time, the outer surface of the rear wall in the traveling direction of the seedling box is wiped by the swinging brush.

[0010]

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

FIG. 1 is a plan view showing a state where a cover of a seedling box cleaning machine main body is removed, FIG. 2 is a side view seen from a side where a motor is provided, and FIG. 3 is a side where a pawl mechanism is provided. It is the side view seen from.

The frame 22 is formed in a table shape having four legs, and supports the box-shaped main body 1 having an open upper surface. A supply port 20 for supplying a seedling box and an outlet 21 for discharging the seedling box are provided on a front wall and a rear wall, which are opposite side walls of the washing machine main body 1, respectively. A motor 12 is fixed to a portion of the bottom plate 1 </ b> A of the main body 1 on the side of the supply port 20.
By covering with A, the airtight state is maintained, and the remaining portion on the bottom plate 1A can be used as a water tank.

An opening on the upper surface of the main body 1 of the washing machine can be opened and closed by a detachable cover (not shown), and a drain pipe having an opening above the bottom plate 1A (not shown) is provided on the bottom plate 1A to collect on the bottom plate 1A. The cleaning liquid is maintained at a predetermined level.

On both side plates 1B and 1C of the cleaning machine main body 1, a supply roller mechanism 5 is provided on a supply port side and a take-out roller mechanism 7 is provided on a take-out side, respectively.
The rotation is performed at low speed and intermittently by the rotation driving means provided with the transmission means interposed therebetween.

Supply roller mechanism 5 and take-out roller mechanism 7
May have the same configuration, and therefore the supply roller mechanism 5 will be described as an example.

The supply roller mechanism 5 is, as shown in FIG.
At intervals so pressed between the seedling box W ₁ from diagrammatically vertical disposed a pair of upper and lower rolls 5A, it includes a 5B, each roll 5A, a plurality of protrusions extending axially to 5B 5A-
1, 5B-1 are protruded at intervals from each other along the outer peripheral surface. In this embodiment, both ends of the supply roller shaft 5D of the lower roll 5B are disposed on both side plates 1 of the main body 1 of the cleaning machine.
B and 1C are rotatably supported via bearings, respectively. On the other hand, as shown in FIGS. 1 to 3, the supply roller shaft 5C of the upper roll 5A is free of a support plate 30A which is a support member which is swingably supported on both side plates 1B and 1C by pivot shafts 28A. An end is rotatably supported via a bearing, and the other end of a spring 19A having one end fixed to each of the side plates 1B and 1C is fixed to a free end of each support plate 30A. For this reason, the support plate 30A that rotatably supports the upper roll 5A is constantly urged toward the lower roll 5B by the resilient force of the spring 19A with the pivot shaft 28A as a fulcrum, and is applied to both side plates 1B and 1C. It swings within the length of the formed elongated hole 29A. As a result, the upper roll 5A according to the height of the seedling box W ₁ is moved within the length of the long hole 29A against the elastic force of the spring 19A, whatever the shapes and dimensions different even seedling box W _1, the rolls 5A, seedling box W by 5B
₁ can be conveyed smoothly and reliably by elastically pressing it from above and below.

The arrangement of the upper supply roller shaft 5C and the lower supply roller shaft 5D is reversed, including the transmission means described later, so that the lower roll is always directed toward the upper roll by an elastic member. It goes without saying that it can be energized.

On the other hand, similarly to the supply roller mechanism 5, the take-out roller mechanism 7 includes a pair of upper and lower rolls 7A, 7B.
(Not shown), a support plate 30B which is a swingable support member for rotatably supporting a take-out roller shaft 7C integrally provided with an upper roll 7A via a bearing, and a support plate 30B which is swingable. The supporting shaft 28B to be supported, one end of each side plate 1B,
1C, a spring 19B having the other end fixed to the free end of the support plate 30B is provided, and the upper roll 7A moves within the length of the elongated hole 29B against the elastic force of the spring 19B. What kind of seedling box W ₁ with different shapes and dimensions
Even, the rolls 7A, 7B and seedling box W ₁ can be a vertically resiliently clamping pressure to transport smoothly and reliably by.

Next, the oscillating brush 2, the intermediate brush 3, the rear brush 4 and the rotation driving means for rotating them, the supply roller mechanism 5, the take-out roller mechanism 7, and the rotation roller for rotating them. The description will be made separately for the rotation driving means.

A main shaft 15B is rotatably supported at a vertically central portion on the outlet side of both side plates 1B and 1C, and a large pulley 15 is fixed to one end of the main shaft 15B.
A belt 13 provided with a first tension roller mechanism 23A for preventing loosening is wrapped around the large pulley 15 and the small pulley 12C fixed to the output shaft 12B of the motor 12, so that the motor 12 The rotation driving force is transmitted to the main shaft 15B.

One end of a pair of brush arms 16a and 16b is rotatably supported at both ends of the main shaft 15B. The shaft 2A of the oscillating brush 2 is mounted on the free end of the brush arms 16a and 16b. It is rotatably supported and is always urged by a pair of springs 18a and 18b to rotate clockwise in FIG.
It is configured to be able to swing within the range of the length of a slit (not shown) formed in B and 1C. Side brushes 2B and 2C are integrally attached to both ends of the swinging brush 2. Here, each brush arm 16a, 16b
Is a structure in which two plate-like members are disassembled by bolts and nuts, but may be integrated.

The intermediate brush 3 and the rear brush 4 are closer to the outlet 21 than the oscillating brushes 2 of the side plates 1B and 1C, and are rotatably supported at an upper portion so as to be sequentially spaced at intervals. .

The shaft 2A of the swinging brush 2 has a fourth sprocket 17C, the shaft 3A of the intermediate brush 3 has a third sprocket 17B, the shaft 4A of the rear brush 4 has a second sprocket 17A, and the main shaft 15B has a first sprocket 17B. The sprockets 15A are respectively fixed, and the third sprocket 17B is engaged with the outer periphery of the first chain 14 which is looped around the first sprocket 15A, the second sprocket 17A, and the fourth sprocket 17C. Thus, the rotational driving force of the motor 12 is reduced by the large pulley 15 and transmitted to the rear brush 4, the intermediate brush 3, and the oscillating brush 2 via the respective sprockets 15A, 17A to 17C, and is the same except for the intermediate brush 3. Rotate in the direction. That is, only the intermediate brush 3 rotates in the reverse direction.

On the other hand, a rotating wheel 15C is fixed to the other end of the main shaft 15B projecting outward from the other side plate 1C, and a link 25a of the ratchet mechanism 25 is fixed to the rotating wheel 15C via a pin 25b. Linked and linked.

Here, the ratchet mechanism 25 will be briefly described with reference to FIGS.

The outer wheel 25c swings through a link 25a interlockingly linked by a first fulcrum A, and the outer ratchet 25
The outer ratchet 25d is swung through the inner teeth (not shown) that mesh with d. Inner teeth 25f of outer pawl 25d
Is engaged with a pair of rotatable claws 26a and 26b of an inner ratchet wheel 25e fixed to the take-out roller shaft 7D when rotating clockwise in FIG. 6 and slipping when rotating counterclockwise. Then, the inner ratchet wheel 25e is intermittently rotated clockwise. As a result, the rotation of the main shaft 15B is greatly reduced and transmitted to the take-out roller shaft 7D.

Next, transmission means for forcibly rotating all the rolls provided on the supply roller mechanism 5 and the take-out roller mechanism 7 will be described.

A fifth sprocket 27A is fixed to the upper supply roller shaft 5C, and a sixth sprocket 27B is fixed to the lower supply roller shaft 5D.
A seventh sprocket 27C is fixed to the upper take-out roller shaft 7C, and a tenth sprocket (not shown) is provided integrally with the lower take-out roller shaft 7D. An eighth sprocket 27D and a ninth sprocket 27E, which are freely rotatably supported via bearings, are provided in the vicinity of the supply port 20 and the take-out port 21, respectively. The fifth to tenth sprockets have a second chain 24 which is bent in an S-shape between the fifth sprocket 27A and the sixth sprocket 27B and between the seventh sprocket 27C and the tenth sprocket to form an entire sprocket. The second tension mechanism 24 </ b> A for preventing loosening is provided at an appropriate portion of the second chain 24.
Is attached. Therefore, each of the rolls 5A and 5B of the supply roller mechanism 5 and each of the rolls 7A and 7
B are forcibly rotated at low speed and intermittently.
It can be released from the outlet 21 collected and conveyed smoothly and reliably seedling box W ₁ supplied at a low speed from.

Further, in the present embodiment, the first ring 25c
A second fulcrum B is provided radially inward of the fulcrum A, and as shown by a two-dot chain line, the link 25a is interlocked with the second fulcrum B to change the rocking speed of the outer ring 25c, thereby changing the seedling box W _1. Is variable.

A liquid supply pipe 38, which is a liquid supply means for spraying the cleaning liquid, includes an oscillating brush 2 , an intermediate brush 3, and an intermediate brush 3.
And three places near each of the rear brushes 4 to be described later.
It is composed of a series of tubes having a straight portion, and is configured to spray a cleaning liquid such as water supplied from a supply source (not shown) three times.

Next, the operation of this embodiment will be described.

The motor 12 is started while the cleaning liquid is being sprayed by the liquid supply pipe 38 .

[0033] Then, when supply upwards seedling box W ₁ from the supply port 20, seedling box W ₁ is conveyed at a low speed by supplying roller mechanism 5 to the low-speed and intermittent rotation. After seedling box W ₁ is the first is the traveling direction of the front wall outer surface is wiped in contact with the oscillating brush 2, the oscillating brush 2 the spring 18a, 18b
Push down against the resilience of For this reason, the seedling box W ₁
Side outer surface side brushes 2B of, along with being wiped by 2C, the oscillating brush 2 is dispel external surface of the bottom wall of the seedling box W ₁ to proceed again when the seedling box W ₁ is disengaged from the swing brush 2 It rises due to the elastic force of the springs 18a and 18b. This time will be wiped wall outer surface after the seedling box W _1.

While the outer surface of the seedling box W ₁ is being wiped by the oscillating brush 2, the upper and inner surfaces thereof, and further, the outer surface of the front wall and the outer surface of the rear wall are sequentially wiped by the intermediate brush 3 and the rear brush 4. It is discharged from the outlet 21 onto the guide composed of the guide arm 10 and the guide rod 11 by the take-out roller mechanism 7 that rotates at low speed and intermittently.

[0035] As apparent from the above description, since the washer seedling box W ₁ supplied to the body 1 has its entire surface with the cleaning liquid is sprayed is wiped, washed seedling box entirely in one washing operation can do.

Next, the seedling box washing machine of the present invention will be described with the liquid supply pipe 38.

[0037] FIG. 7 is a schematic perspective view showing a liquid supply pipe.

The liquid supply pipe 38 is substantially 6 when viewed from above.
Be one that is bent in the shape, the first to third linear portion 38b extending in a direction substantially perpendicular to the conveying path of the seedling box W _1, have 38c, the 38d, first to third straight portions 38b, 38c, respectively 38d plurality of nozzle holes 38a for spraying a cleaning liquid toward the seedling box W ₁ are mutually pierced at intervals. For example, the first linear portion 3
8b is substantially parallel to the oscillating brush 2 in the cleaning machine main body 1, the second linear portion 38c is substantially parallel to the intermediate brush 3 in the cleaning machine main body 1, and the third linear portion 38d is substantially parallel to the rear brush 4. When formed to be positioned, it is possible to spray washing liquid over successively three times seedling box W _1, improving the cleaning effect can be expected.

FIG. 8 shows a modification of each roll of the supply roller mechanism and the take-out roller mechanism.
5 is made of a material such as hard rubber, for example, and a plurality of protrusions 45-1 extending in the axial direction on the peripheral surface thereof are spaced apart from each other along the outer peripheral surface, similarly to the rolls of the above-described embodiment. In addition to the protrusions, a plurality of through holes 45-2 extending in the axial direction for increasing the elasticity of the roll itself are provided at intervals from each other so as to surround the central axis thereof.

The roll 45 of this embodiment has elasticity because of the plurality of through-holes 45-2 even when it is made of a hard rubber material having wear resistance. It is easy to adjust to the seedling box. As a result, the contact with the seedling box becomes soft, and the seedling box can be transported more smoothly and reliably.

In the above-described embodiment, the supply roller mechanism and the take-out roller mechanism are each provided with two rolls at intervals in the axial direction. However, the present invention is not limited to this.
A single roll having a length equal to or greater than the width of the seedling box can be provided.

[0042]

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

The seedling box supplied from the supply port is pressed from above and below by the forcibly rotated rolls provided in the supply roller mechanism and the take-out roller mechanism. A large frictional force is generated and the paper is smoothly and reliably conveyed. For this reason, even if seedling boxes of different sizes and shapes are transported smoothly without stagnation in the main body of the washing machine, the seedling boxes supplied from the supply port are discharged until they are released from the outlet. the entire surface of the box, the oscillating brush, Ru is wiped by any of the intermediate brush and rear brush
Both can be cleaned the entire surface of the seedling box by one washing operation since the washing liquid is Ru sprayed over three times.

[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 side view of the seedling box cleaning machine shown in FIG. 1 as viewed from an output shaft side of a motor.

FIG. 3 is a side view as viewed from the opposite side of FIG. 2;

FIG. 4 is a schematic partial perspective view showing a main part of a supply roller mechanism.

FIG. 5 is an explanatory view of the entire ratchet mechanism;

FIG. 6 is an explanatory diagram of a main part of a ratchet mechanism;

FIG. 7 is a partial perspective view showing a modification of the liquid supply pipe.

FIG. 8 is a partial perspective view showing a modification of the roll.

FIG. 9 is a plan view showing an example of a conventional seedling box cleaning machine with a cover removed.

FIG. 10 is a partial perspective view showing a supply roller mechanism of the seedling box cleaning machine shown in FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Washer main body 1A Bottom plate 1B, 1C side plate 2 Oscillating brush 2B, 2C side brush 3 Intermediate brush 4 Rear brush 5 Supply roller mechanism 5A, 5B, 7A, 7B , 45 roll 5A-1, 5B-1, 7A- 1,45-1 Projecting portion 5C, 5D Supply roller shaft 6 Support roller 7 Extraction roller mechanism 7C, 7D Extraction roller shaft 12 Motor 13 Belt 14 First chain 15 Large pulley 15A First sprocket 15B Main shaft 15C Rotating wheel 16a, 16b Brush Arm 17A Second sprocket 17B Third sprocket 17C Fourth sprocket 18a, 18b, 19A, 19B Spring 20 Supply port 21 Outlet 24 Second chain 25 Ratchet mechanism 25a Link 25b Pin 25c Outer ring 25d Outer ratchet 25e Inner ratchet 25f Internal teeth 26a, 26b Claw 27A Fifth sprocket 27B Sixth sprocket 27C Seventh sprocket 27D Eighth sprocket 27E Ninth sprocket 28A, 28B Pivot shaft 29A, 29B Long hole 30A, 30B Support plate 38 Liquid supply pipe 38a Nozzle hole 38b First straight portion 38c Second straight part 38d Third straight part 45-2 Through hole

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-5-252835 (JP, A) JP-A-54-100150 (JP, A) Jikai-sho 54-166410 (JP, U) (58) Investigation Field (Int.Cl. ⁷ , DB name) A01G 9/06

Claims (3)

(57) [Claims] 1. A washing machine body provided with a liquid supply means for spraying a cleaning liquid and having a supply port and a discharge port on side walls facing each other, and disposed near each of the supply port and the discharge port. setting has been a supply roller mechanism and take-out roller mechanism for transferring the seedling box, swinging brushes to wipe the seedling box, which are sequentially arranged at intervals toward the outlet from the supply port side, the intermediate Brush and rear brush, and the swinging brush, intermediate brush and
A seedling box washer having a rotation driving means for rotating a rear brush and a rear brush , wherein the swinging brush is a swingable brush having a swing center at the outlet side and a free end side facing the supply port side. is pivotally supported on the free end side of the arm, and are always urged by the elastic member toward the seedling box being fed transportable, moreover side for wiping both sides of the seedling box on both ends In a seedling box cleaning machine having a brush, the supply roller mechanism and the take-out roller mechanism each include a pair of rotatable rolls arranged at intervals so as to squeeze the seedling box from above and below, and One of the pair of rolls is rotatably supported on the free end side of a swingable support member, and is constantly urged toward the other by an elastic member. Force all of Liquid supply means have a transmission means for rotating, spraying the cleaning liquid, the oscillating brush, medium
At three places near each of the intermediate brush and the rear brush
Each brush has a straight portion that is substantially parallel to each brush.
One having a plurality of nozzle holes for spraying the cleaning liquid
A seedling box washing machine comprising a series of tubes . Wherein each roll, seedlings of claim 1 Symbol mounting and having a plurality of protrusions which protrude at intervals in the circumferential direction for increasing the frictional force between the seedling box Box washer. Wherein each roll is seedling box washing machine according to claim 1 or 2, wherein the having elasticity.