JP6434472B2 - Nursery box washing machine - Google Patents

Description

  The present invention relates to a seedling box washing machine for cleaning both seedling boxes of a box tray-like rice seedling box and a cell tray-like vegetable seedling box.

  Conventionally, as this kind of seedling box washing machine, two kinds of seedling boxes H and S, such as a box-tray-shaped rice seedling box H shown in FIG. 13 and a cell tray-like vegetable seedling box S shown in FIG. A nursery box washing machine is known.

Japanese Patent No. 3897882 Japanese Patent No. 4575545 Japanese Patent No. 5813333

  However, in the case of the above conventional structure, a washing machine dedicated to a rice seedling box and a washing machine dedicated to a vegetable seedling box are used, and there is no washing machine for washing two types of seedling boxes in combination. The paddy rice seedling box is sometimes used as an under tray of the cell tray of the vegetable seedling box, and the pot seedling can be easily pulled out by washing the vegetable seedling box. Cleaning work for both seedling boxes in vegetable seedling boxes is increasing, which necessitates cleaning many seedling boxes, requiring more dedicated washing machines, and the economic efficiency is reduced accordingly. There is a disadvantage that there is.

The present invention aims to solve these disadvantages. Among the present inventions, the invention according to claim 1 is characterized in that the rising wall portion is formed at the peripheral edge of the square plate-like bottom plate portion. A box tray-shaped paddy rice seedling box and a transport mechanism for horizontally transporting both seedling boxes of a cell tray-like vegetable seedling box in which a plurality of recessed pot parts are arranged vertically and horizontally on a square plate-like substrate part; A spray water cleaning mechanism for cleaning both the seedling boxes in the middle of the transport path of the both seedling boxes, and as the transport mechanism, in the transport direction of the both seedling boxes of the rice seedling box and the vegetable seedling box A pair of upper and lower upper introduction shafts and lower introduction shafts are provided horizontally at the inlet side position, and a pair of upper and lower upper extraction shafts and lower extraction shafts are provided horizontally at the outlet side position in the conveying direction of the both seedling boxes. And the lower lead-in shaft and the upper lead-out shaft and the lower lead-out shaft are opened upward at both left and right positions in the conveyance direction A pair of left and right transport rollers capable of transporting the paddy rice seedling box by sandwiching upper and lower wall portions in the transport direction of the paddy rice seedling box transported in a state of being provided, the upper introduction shaft and the upper A paddy rice seedling box or a vegetable seedling is brought into contact with the upper wall portion before and after the conveyance direction of the paddy rice seedling box in the middle position of the lead-out shaft, or in contact with a plurality of pot parts of the vegetable seedling box An upper conveying brush capable of conveying the box is provided, and the back surface side of the rice seedling raising box and a plurality of recessed pot portions are opened downward at an intermediate position between the lower introducing shaft and the lower outlet shaft. A lower conveying brush capable of conveying the rice seedling box and the vegetable seedling box in contact with the surface side of the vegetable seedling box to be conveyed is provided, and a pair of upper and lower pairs are arranged at intermediate positions in the conveying direction of the both seedling boxes. Table on the rotary shaft and the lower rotary shaft is laterally disposed, rice nursery box on the upper axis of rotation of In contact with the back surface side for side and vegetables nursery box above the rotary brush can be conveyed is provided both nursery box, rotated in contact with the back side and the front side of vegetables for nursery box of paddy rice nursery box on the lower rotary shaft The seedling box washer is provided with a possible lower rotating brush.

The invention according to claim 2 is characterized in that a plurality of upper and lower upper rotating shafts and lower rotating shafts are provided horizontally at the intermediate position in the conveying direction of the both seedling boxes, and the surface of the rice seedling raising box is placed on each upper rotating shaft. in contact with the back surface side for side and vegetables nursery box above the rotary brush can be conveyed is provided both nursery box, rotated to the back side and the front side of vegetables for nursery box of paddy rice nursery box the respective bottom rotary shaft A lower rotating brush that can be contacted is provided, and the invention according to claim 3 is characterized in that the upper rotating shaft has a side brush that can contact the side surface of the rice seedling box, An oblique brush capable of contacting the inner surface of the rising wall portion of the seedling box for paddy rice is provided.

  According to a fourth aspect of the present invention, the transport mechanism is provided with a transport motor for transporting and rotating the upper introduction shaft and the lower introduction shaft, and the upper lead shaft and the lower lead shaft, and the upper rotation shaft and the lower rotation shaft. A rotation motor for rotating the shaft is provided horizontally, and a speed control means capable of controlling the rotation speed of the conveyance motor and the rotation motor is provided. In the described invention, as the spray water cleaning mechanism, a plurality of spray nozzles capable of spraying cleaning water on the front side and the back side of the both seedling boxes are arranged in the middle of the conveying path of the both seedling boxes, A pressure feed pump capable of supplying high-pressure water is connected to the nozzle.

As described above, in the invention according to claim 1, the present invention is for artificially or automatically supplying the paddy rice seedling box to the inlet side position in the conveying direction in cleaning the paddy rice seedling box, A pair of left and right transport rollers provided on the upper and lower pair of upper introduction shaft and lower introduction shaft of the transport mechanism sandwich the upper and lower compatible wall portions in the transport direction of the paddy rice seedling box transported in an open state. The upper transfer brush provided at the middle position of the upper introduction shaft contacts the upper wall part before and after the transfer direction of the rice seedling box and conveys the rice seedling box to the lower introduction shaft. The lower transfer brush provided at the intermediate position of the paddle is in contact with the back side of the paddy rice seedling box and transports the paddy rice seedling box, and the upper rotary brush provided on the upper rotating shaft is in contact with the surface side of the paddy rice seedling box. The lower rotating brush provided on the lower rotating shaft conveys the seedling box for paddy rice and makes contact with the back side of the seedling box for paddy rice. The upper transfer brush provided at the intermediate position of the upper lead-out shaft at the position in the transfer direction exit side contacts the compatible upper wall part before and after the transfer direction of the rice seedling box and transfers the rice seedling box to the bottom. The lower conveying brush provided in the middle position of the shaft contacts the back side of the rice seedling box to discharge and convey the rice seedling box, and the pair of left and right conveying rollers provided on the upper and lower upper deriving shafts and the lower deriving shaft are The rice seedling box is discharged and transported by sandwiching the upper and lower wall portions in the transport direction of the paddy rice seedling box that is transported in an upwardly opened state. The seedling box for washing is to be washed, and when washing the vegetable seedling box, the vegetable seedling box is artificially or automatically supplied to the inlet side position in the transport direction, and the above transport mechanism is The upper conveying brush provided at the intermediate position of the introduction shaft has a plurality of recesses Lower conveying the pot portion comes into contact with the back surface side of the plurality of the pot part of the vegetables for nursery box carried in upside down state of opening downward conveying vegetables for nursery box, provided at an intermediate position of the lower introduction shaft The brush contacts the surface side of the plurality of pot parts of the vegetable seedling box and conveys the vegetable seedling box, and the upper rotating brush provided on the upper rotating shaft contacts the back side of the vegetable seedling box and vegetables The lower rotating brush provided on the lower rotating shaft conveys the seedling box for rotation and is in rotational contact with the surface side of the vegetable seedling box, and the upper conveying brush provided at the intermediate position of the upper outlet shaft at the outlet side position in the conveying direction. Is in contact with the back side of the plurality of pot parts of the vegetable seedling box transported in an inverted state where a plurality of recessed pot parts are opened downward, and conveys the vegetable seedling box, The lower conveying brush provided at the intermediate position is a plurality of concave pots in the vegetable seedling box. The vegetable nursery box is discharged and conveyed in contact with the surface side of the ridge part, and the vegetable nursery box is washed by the spray water washing mechanism in the middle of these conveyance paths. Box tray-shaped paddy rice seedling box with a vertical wall formed at the peripheral edge of a cylindrical bottom plate or a cell tray with a plurality of recessed pots arranged vertically and horizontally on a square plate substrate Both seedling boxes of the vegetable seedling box are selected and transported horizontally, and both seedling boxes can be washed by the spray water washing mechanism in the middle of the transportation path of both seedling boxes, It is no longer necessary to prepare two types of washing machines dedicated to vegetable seedling boxes, so that the workability of raising seedling boxes can be improved and the economy can be improved.

In the invention described in claim 2, a plurality of upper and lower upper rotating shafts and a plurality of lower rotating shafts are provided in a horizontal position at an intermediate position in the conveying direction of the both seedling boxes, and the rice seedling raising boxes are arranged on each upper rotating shaft. the surface side and the upper rotary brush can be conveyed is provided in contact with the back surface side of vegetables for nursery box both nursery box, on the surface side of the back surface side and vegetables for nursery box of paddy rice nursery boxes in each lower rotary shaft Since the lower rotating brush capable of rotating contact is provided, the front side and the rear side of the rice seedling box and the vegetable seedling box can be cleaned with a plurality of upper rotating brushes and a plurality of lower rotating brushes. The cleaning efficiency can be improved, and in the invention according to claim 3, the side brush and the rice seedling box standing upright that can contact the side surface of the rice seedling box on the upper rotating shaft are provided. An oblique brush that can contact the inner surface of the upper wall is provided. It is possible to improve the purification efficiency.

  According to a fourth aspect of the present invention, the transport mechanism is provided with a transport motor for transporting and rotating the upper introduction shaft and the lower introduction shaft, and the upper lead shaft and the lower lead shaft. And a rotation motor for rotating the lower rotation shaft are provided horizontally, and a conveyance motor and a speed control means capable of controlling the rotation speed of the rotation motor are provided. Therefore, the conveyance roller, the upper conveyance brush, and the lower conveyance brush The rotation speed of the upper rotation brush and the rotation speed of the lower rotation brush and the relative rotation speed of each rotation speed can be controlled, and both the seedling boxes can be transported smoothly and washed. In the invention according to claim 5, as the spray water cleaning mechanism, cleaning water is provided on the front side and the back side of both seedling boxes in the middle of the conveying path of the both seedling boxes. Squirt Since a plurality of possible spray nozzles are arranged and a pressure feed pump capable of supplying high-pressure water is connected to the spray nozzles, the cleaning workability of both seedling boxes can be improved and the structure of the spray water cleaning mechanism Can be simplified.

It is a whole side sectional view of an example of an embodiment of the invention. It is the whole plane sectional view of the example of an embodiment of the invention. It is the whole plane sectional view of the example of an embodiment of the invention. It is a whole side sectional view of an example of an embodiment of the invention. It is a longitudinal cross-sectional view of the embodiment of this invention. It is a longitudinal cross-sectional view of the embodiment of this invention. It is a partial sectional side view of the use condition of the embodiment of this invention. It is a longitudinal cross-sectional view of the embodiment of this invention. It is a longitudinal cross-sectional view of the embodiment of this invention. It is a partial sectional side view of the use condition of the embodiment of this invention. It is a longitudinal cross-sectional view of the embodiment of this invention. It is a longitudinal cross-sectional view of the embodiment of this invention. It is a perspective view of the seedling box for paddy rice. It is a perspective view of the nursery box for vegetables.

1 to 14 show an embodiment of the present invention. As shown in FIG. 13, roughly as shown in FIG. 13, at the peripheral edge of a square plate-like bottom plate portion H ₁ , rising wall portions H ₂ , H ₂ , H _{3 are} arranged. A box-tray-shaped paddy rice seedling box H in which H ₃ is formed and a plurality of drain holes H ₄ are formed in the bottom plate portion H ₁ and a plurality of square plate-like substrate portions S ₁ as shown in FIG. The pot-shaped pot parts S ₂ ... Are arranged in rows and columns and the drainage holes S ₃ ... Are formed in the pot parts S _2. Is provided with a transport mechanism A for horizontally transporting and a spray water cleaning mechanism B for cleaning both seedling boxes H and S in the middle of the transport path of both seedling boxes H and S.

1, 2, 3, and 5, as the transport mechanism A, the transport direction L of the both seedling boxes H and S of the paddy rice seedling box H and the vegetable seedling box S is set in the cleaning machine 1. A pair of upper and lower upper introduction shafts 2 and 3 are rotatably disposed at an inlet side position I of the upper and lower upper guide shafts 4 and 4 at an outlet side position D in the conveying direction L of both seedling boxes H and S. A lower lead-out shaft 5 is provided so as to be rotatable, and a bottom plate portion H ₁ of the rice seedling raising box H and a substrate portion S ₁ of the vegetable raising seed box S between the inlet side position I and the outlet side position D in the transport direction L are provided. The above-mentioned paddy rice that is transported in a state where the upper guide shaft 2 and the lower guide shaft 3 and the upper lead-out shaft 4 and the lower lead-out shaft 5 are opened upward in the left and right sides of the transport direction L is disposed. A pair of left and right transport rollers that can transport the rice seedling box H by sandwiching the upper wall portions H ₂ and H ₂ in the left and right direction L of the nursery box H The roller 6, 6, 7, 7 is provided, and is in contact with the compatible upper wall portions H ₃ , H ₃ before and after the transfer direction L of the rice seedling raising box H at an intermediate position between the upper introduction shaft 2 and the upper lead-out shaft 4. Or the upper conveying brushes 8 and 8 capable of conveying the rice seedling box H or the vegetable seedling box S in contact with the back side of the plurality of pot parts S _2. The above is provided in a reverse state in which the back side of the rice seedling raising box H and the plurality of recessed pot portions S ₂ ... Are opened to the middle position between the lower introduction shaft 3 and the lower lead-out shaft 5. Lower transfer brushes 9 and 9 are provided which are capable of conveying the rice seedling box H and the vegetable seedling box S in contact with the surface side of the vegetable seedling box S, and the intermediate position in the conveying direction L of the both seedling boxes H and S. upper and lower pair of upper rotary shaft 10 and the lower rotary shaft 11 is laterally disposed, the upper rotary shaft 10 for paddy rice nursery boxes H surface side and vegetables for education of the in In contact with the back surface side of the seedling box S both nursery box H · S upper rotary brush 12 can be conveyed to is provided, the back side and surface side of vegetables for nursery box S of paddy rice nursery box H below the rotating shaft 11 A lower rotating brush 13 that can be rotationally contacted is provided.

In this case, as shown in FIG. 1, there are a plurality of upper and lower upper rotating shafts 10 and 10 and lower rotating shafts 11 and 11 at an intermediate position in the conveying direction L of the both seedling boxes H and S. is set, each of the upper rotary shaft 10, 10 for paddy rice nursery boxes H surface and the upper rotary brush 12 in contact with the back surface side can be conveyed both nursery boxes H-S vegetables for nursery box S of the is provided, each lower rotary shafts 11, 11 rotatably contacts the front surface side of the back surface side and vegetables for nursery box S of paddy rice nursery box H of the lower rotary brush 13 is provided.

Further, in this case, as shown in FIGS. 2 and 6, side brushes 12a and 12a that can come into contact with the side surface of the rice seedling raising box H on the upper rotary shafts 10 and 10 and the upright wall part of the rice seedling raising box H Diagonal brushes 12b and 12b that can contact the inner surfaces of H ₂ and H ₂ are provided.

In this case, as shown in FIGS. 2, 3 and 4, the transport mechanism A is a drive system A for transporting and rotating the upper introduction shaft 2 and the lower introduction shaft 3, and the upper lead shaft 4 and the lower lead shaft 5. ₁ and the driving system A ₂ that rotates the upper rotating shafts 10 and 10 and the lower rotating shafts 11 and 11, and the driving system A ₁ includes the upper introducing shaft 2, the lower introducing shaft 3, and the upper derivation. The driven sprockets 2a, 3a, 4a, 5a are attached to the shaft 4 and the lower lead-out shaft 5, and the upper introduction shaft 2 and the upper lead-out shaft 4 are rotatably attached to a lever 18 that can swing around a fulcrum pin 19. A sandwiching spring 20 is hung between the lever 18 and the cleaning machine body 1, and a stopper 21 for determining the lower limit position of the lever 18 is provided, so that the transport rollers 6, 6, 7, 7 can swing freely in the vertical direction. provided, the feeding motor _{M F} Secure the drive sprocket _{K F} on the spindle, turning the driven sprocket 2a · 3a · 4a · 5a, a Cyclic chain _{J F} to tension sprocket _{T F} and the drive sprocket _{K F} multiplied, also in the driveline _{A 2} is the mounting the driven sprocket 10a, 10a, 11a, 11a to each upper rotary shaft 10, 10 and each lower rotation shaft 11, 11, the Cyclic chain _{J K} the driven sprocket 10a, 10a, 11a, 11a and tension sprockets _{T K} hanging turning, the turning multiplied by drive chain C _K, the feeding motor M _F and the rotation between the drive sprocket K _K fixed to the main shaft of the rotating motor M _K a driven sprocket 11b provided on the lower rotary shaft 11 Speed control means R ₁ and R ₂ capable of controlling the rotation speed of the motor M _K are provided.

  Further, in this case, as shown in FIGS. 1, 2 and 3, as the spray water cleaning mechanism B, a rectangular frame-shaped injector body 14 is arranged in the middle of the conveying path of the both seedling boxes H and S. 14 is provided with a plurality of spray nozzles 15... Capable of spraying cleaning water on the front and back sides of both seedling boxes H and S, and high-pressure water W is sprayed from the spray nozzles 15. The water W passes through the receiving part 16 and is stored in the water storage part (not shown) from the recovery port 17, and the water W in the water storage part is sucked in by the pressure pump P, and again, the plurality of injection nozzles 15. It is comprised so that it may be injected from.

Since this embodiment is configured as described above, as shown in FIGS. 1, 7, 8, and 9, when cleaning the rice seedling box H, the rice seedling box H is moved to the entrance side in the conveyance direction L. A pair of left and right transport rollers 6, 6, 7, 7 that are supplied to the position I artificially or automatically and provided on the pair of upper and lower upper introduction shafts 2 and 3 of the transport mechanism A open upward. The above-mentioned paddy rice seedling box H transported in the transporting direction L on both the left and right upper wall portions H ₂ , H ₂ is sandwiched to transport the rice seedling growing box H, and provided at an intermediate position of the upper introduction shaft 2. The conveying brush 8 is in contact with the upper wall portions H ₃ and H ₃ before and after the conveying direction L of the rice seedling box H, conveys the rice seedling box H, and is provided at an intermediate position of the lower introduction shaft 3. 9 is in contact with the back side of the rice seedling box H and conveys the paddy rice seedling box H, and the upper rotating brush 12 provided on the upper rotary shaft 10 is a paddy rice seedling box The rice seedling box H is brought into contact with the front surface side of the H, and the lower rotating brush 13 provided on the lower rotating shaft 11 is in rotational contact with the rear surface side of the rice seedling box H, and the position in the conveying direction L outlet side In D, the upper conveying brush 8 provided at an intermediate position of the upper lead-out shaft 4 is brought into contact with the compatible upper wall portions H ₃ and H ₃ before and after the conveying direction L of the rice seedling raising box H to convey the rice raising seedling box H. The lower conveying brush 9 provided at the intermediate position of the lower lead-out shaft 5 comes into contact with the back side of the rice seedling raising box H to discharge and convey the rice seedling raising box H, and a pair of upper and lower upper leading shafts 4 and 5 A pair of left and right transport rollers 6, 6, 7, and 7 provided on the right side sandwich the upper wall H ₂ , H ₂ on the left and right in the transport direction L of the rice seedling box H that is transported in an open state. The rice seedling box H is discharged and conveyed, and in the middle of these transport paths, the rice seedling box H is Will be washed.

In this case, as shown in FIG. 1, FIG. 10, FIG. 11, and FIG. 12, in cleaning the vegetable seedling box H, the vegetable seedling box S is placed at the inlet side position I in the conveying direction L by an artificial or automatic method. The upper conveying brush 8 provided at an intermediate position of the upper introduction shaft 2 of the conveying mechanism A is conveyed in an inverted state in which a plurality of recessed pot portions S _2. The vegetable nursery box S is conveyed in contact with the back side of the plurality of pot portions S ₂ ... Of the nursery box S, and the lower transfer brush 9 provided at the intermediate position of the lower introduction shaft 3 is the vegetable nursery box. The vegetable seedling box S is brought into contact with the front surface side of the plurality of pot parts S ₂ .. of the S, and the upper rotating brush 12 provided on the upper rotating shaft 10 is in contact with the back side of the vegetable seedling box S. Te transported vegetables for nursery boxes S, the lower rotary brush 13 provided on the lower rotary shaft 11 is rotated in contact with the surface of the vegetables for nursery box S, its Te, in the conveying direction L outlet position D, the conveying brush 8 on which is provided at an intermediate position of the upper outlet shaft 4 is carried by the upside down state in which the plurality of recesses shaped pot part S ₂ · · opening downward the The vegetable raising seedling box S is conveyed in contact with the back side of the plurality of pot parts S ₂ ... Of the vegetable raising seedling box S, and the lower conveying brush 9 provided at an intermediate position of the lower lead-out shaft 5 is the vegetable raising seedling. The vegetable seedling box S is discharged and conveyed in contact with the surface side of the plurality of concave pot portions S ₂ ... Of the box S. The vegetable seedling box S is sprayed by the spray water cleaning mechanism B in the middle of these conveyance paths. Will be washed.

Accordingly, the rice tray seedling box H or the rectangular tray-shaped rice seedling box H in which the rising wall portions H ₂ , H ₂ , H _3, and H ₃ are formed on the peripheral edge of the square plate-like bottom plate portion H ₁ by the transport mechanism A. horizontally conveyed by selecting both nursery boxes H · S of the plate-like substrate portion S ₁ into a plurality of concave-shaped pot part S ₂ · · are cell tray-like arranged formed in a matrix for vegetables nursery box S, In the middle of the conveying path of the both seedling boxes H and S, both the seedling boxes H and S can be cleaned by the jet water cleaning mechanism B. The cleaning machine dedicated to the rice seedling box H and the cleaning machine dedicated to the vegetable seedling box S These two types of washing machines are not prepared, so that the workability of the seedling box washing can be improved and the economic efficiency can be improved.

In this case, as shown in FIGS. 1, 2, and 6, a plurality of upper and lower upper rotating shafts 10 and 10 and a plurality of lower rotating shafts 11 and 11 are provided at an intermediate position in the conveying direction L of the both seedling boxes H and S. In this case, the upper rotation that is horizontally arranged for two and can transport both seedling boxes H and S by contacting the upper rotation shafts 10 and 10 with the surface side of the rice seedling box H and the rear side of the vegetable seedling box S. brush 12 is provided, since each of the lower rotating shaft 11, 11 for paddy rice nursery box H of the rear and vegetables for nursery box below the surface side rotatable contact rotary brush 13 of the S in is provided, a plurality of The front side and the back side of the rice seedling box H and the vegetable seedling box S can be cleaned with each upper rotary brush 12... And a plurality of lower rotary brushes 13. In this case, the upper rotary shafts 10 and 10 can contact the side surface of the rice seedling raising box H. Since side brushes 12a and paddy rice nursery boxes H standing wall portion H ₂ · H ₂ inner surface can contact oblique brush 12b is provided, it is possible to improve the cleaning efficiency of the paddy rice nursery boxes H.

Further, in this case, as shown in FIG. 4, as the transport mechanism A, the conveyor motor M _F for conveying rotating the on introduction shaft 2 and the lower introduction shaft 3 and the upper outlet shaft 4 and the lower outlet shaft 5 is provided, rotating motor M _K for rotating the upper rotary shaft 10 and the lower rotary shaft 11 is laterally disposed, the conveyor motor M _F and rotating motor M _K controllable rate control means the rotational speed of the R ₁ · R ₂ Since it is provided, it is possible to control the rotational speeds of the transport rollers 6, 6, 7, 7, the upper transport brush 8 and the lower transport brush 9, and the rotational speeds of the upper rotary brush 12 and the lower rotary brush 13. The relative speed of each rotational speed can be controlled, both the seedling boxes H and S can be transported smoothly and the cleaning workability can be improved. In this case, the above-mentioned spray water cleaning mechanism B As shown in FIG. A plurality of spray nozzles 15... Capable of spraying cleaning water are disposed on the front and back sides of both nursery boxes H and S in the middle of the conveying path of both nursery boxes H and S. Since the pumping pump P capable of supplying high-pressure water is connected, it is possible to improve the cleaning workability of the both seedling boxes H and S and to simplify the structure of the jet water cleaning mechanism B.

The present invention is not limited to the embodiment of the above embodiment, a rice nursery boxes H, vegetables for nursery box S, the transport mechanism A, water jet cleaning mechanism B, the speed control means R ₁ · R _2, conveying brush The structure, shape, number, and the like of the 8.9, the upper rotary brush 12, the lower rotary brush 13, and the injection nozzle 15 are appropriately changed and designed.

  As described above, the intended purpose can be sufficiently achieved.

H Rice seedling box H ₁ Bottom plate part H ₂ Standing wall part H ₃ Standing wall part S Vegetable seedling box S ₁ Substrate part S ₂ Pot part A Transport mechanism B Sprayed water cleaning mechanism L Transport direction I Entrance side position D outlet position M _F conveyor motor M _K rotary motor R ₁ speed control means R ₂ speed control means P pressure pump 2 above introduction shaft 3 below the introduction shaft 4 above derivation shaft 5 below derived shaft 6 transport roller 7 conveying rollers 8 on Conveying brush 9 Lower conveying brush 10 Upper rotating shaft 11 Lower rotating shaft 12 Upper rotating brush 12a Side surface brush 12b Oblique brush 13 Lower rotating brush 15 Injection nozzle

Claims (5)

A box-tray-shaped paddy rice seedling box in which a rising wall portion is formed at the peripheral edge of a square plate-like bottom plate portion, and a plurality of recessed pot portions arranged vertically and horizontally on the square plate-like substrate portion It comprises a transport mechanism for horizontally transporting both seedling boxes of a cell tray-like vegetable seedling box, and a spray water cleaning mechanism for cleaning the both seedling boxes in the middle of the transport path of the both seedling boxes, A pair of upper and lower upper introduction shafts and lower introduction shafts are installed horizontally at the inlet side position in the conveying direction of the both seedling boxes of the paddy rice seedling box and the vegetable seedling box, and at the outlet side position in the conveying direction of the both seedling boxes. A pair of upper and lower upper lead-out shafts and lower lead-out shafts are provided horizontally, and are transported in such a state that they are opened upward at both left and right positions in the transport direction of the upper lead-in shaft and the lower lead-in shaft and the upper lead-out shaft and the lower lead-out shaft. Transporting the seedling box for paddy rice by sandwiching the upper wall on both the right and left sides A pair of left and right transport rollers that are in contact with the upper wall of the paddy rice seedling box in the middle of the transport direction in the middle position of the upper introduction shaft and the upper lead-out shaft, or of the vegetable seedling box An upper conveying brush capable of conveying a seedling box for paddy rice or a seedling box for vegetables is provided in contact with the back side of a plurality of pot parts , and the seedling for paddy rice is located at an intermediate position between the lower introduction shaft and the lower lead shaft The seedling box for paddy rice and the seedling box for vegetables can be transported in contact with the front side of the vegetable seedling box that is transported in an inverted state in which the back side of the box and a plurality of recessed pot parts open downward And a pair of upper and lower upper rotating shafts and a lower rotating shaft are provided horizontally at the intermediate position in the conveying direction of the both seedling boxes, and the upper rotating shaft has a surface side of the rice seedling box and vegetable seedlings. upper rotary brush can be conveyed both nursery boxes are provided in contact with the back side of the box, the lower Nursery box cleaner according to claim rotational contactable lower rotary brush may become disposed on the back side and the front side of vegetables for nursery box of paddy rice nursery box the rolling axis. A plurality of upper and lower upper rotating shafts and lower rotating shafts are provided horizontally at the intermediate position in the conveying direction of the both seedling boxes, and the upper rotating shafts are provided on the front side of the rice seedling box and the back side of the vegetable seedling box. An upper rotating brush capable of contacting and conveying both seedling boxes is provided, and each lower rotating shaft is provided with a lower rotating brush capable of rotating contact on the back side of the rice seedling box and the front side of the vegetable seedling box The nursery box washer according to claim 1, wherein   2. The upper rotating shaft is provided with a side brush that can contact the side surface of the rice seedling box and an oblique brush that can contact the inner surface of the upright wall of the rice seedling box. Or the seedling box washing machine of 2 description.   As the transport mechanism, there are provided a transport motor for transporting and rotating the upper introduction shaft and the lower introduction shaft, and the upper lead shaft and the lower lead shaft, and a rotation motor for rotating the upper rotation shaft and the lower rotation shaft is provided horizontally. The seedling box washer according to any one of claims 1 to 3, further comprising a speed control unit capable of controlling the rotation speed of the transfer motor and the rotation motor.   As the spray water cleaning mechanism, a plurality of spray nozzles capable of spraying cleaning water on the front side and the back side of the both seedling boxes are arranged in the middle of the conveying path of the both seedling boxes, and high pressure water is supplied to the spray nozzles. The seedling box washing machine according to any one of claims 1 to 4, wherein a pressure feed pump that can be supplied is connected.