JP4399380B2 - Nursery box transfer device - Google Patents

Description

  The present invention relates to a seedling box transfer device for transferring a seedling box (an empty seedling box, a seeded seedling box, etc.) to a shelf of a carriage.

As a seedling box transfer device, for example, there is a device disclosed in Patent Document 1.
In Patent Document 1, a seedling box is conveyed by a belt conveyor (11 in FIGS. 1 and 2 of Patent Document 1), and roller conveyors arranged in two rows (FIGS. 1 and 2 of Patent Document 1). 12) to be nursery box is sent, nursery box is a state as arranged in two rows in the roller over the conveyor. A shelf pusher (18 in FIGS. 1 and 2 of Patent Document 1) is arranged on the side of the two seedling boxes at the top of the two rows of seedling boxes, and the shelf pusher is at the top. Two seedling boxes are pushed laterally outward (upward on the paper surface of FIG. 1 of Patent Document 1), and the first two seedling boxes are trolleys (45 in Patent Document 1 and FIGS. 45). ) Moved to the shelf.
In this case, the shelf pusher is in contact with the seedling box on the shelf pusher side in the first two seedling boxes, and is arranged in the pushing direction of the shelf pusher (the vertical direction in FIG. 1 of Patent Document 1). Two seedling boxes are pushed by the shelf pusher and transferred to the shelves of the carriage.

Japanese Patent Publication No.7-114608 (FIGS. 1 and 2)

  As a seedling box transfer device for transferring a plurality of seedling boxes to a cart shelf at a time, in Patent Document 1, two seedling boxes arranged in the pushing direction of the shelf pusher are pushed and operated by the shelf pusher. Moved to the department. In general, since four seedling boxes can be placed on one shelf of the carriage, when two seedling boxes arranged in the pushing direction of the shelf pusher are moved to the shelf of the carriage as in Patent Document 1. Then, it is necessary to move the entire cart by the width of the seedling box, and then the two seedling boxes arranged in the pushing direction of the shelf pusher are pushed and moved to the remaining part of the cart shelf.

Accordingly, in Patent Document 1, since it is necessary to move the seedling box while placing the seedling box on all parts of the one-stage shelf of the carriage, in recent years, for example, as shown in FIG. A nursery box transfer device that pushes the seedling boxes arranged in the direction of the seedling boxes (for example, the left and right direction on the paper surface of FIG. 1) in a direction intersecting the vertical direction (for example, the vertical direction on the paper surface of FIG. 1). Has been proposed.
In the seedling box transfer device, the present invention is configured to push the rear part of the seedling box arranged in a predetermined position in a direction intersecting with the arrangement direction of the seedling box and move the arranged seedling boxes to the shelf part of the carriage. When comprised, it aims at comprising so that the seedling box which lined up may be appropriately moved to the shelf part of a trolley | bogie.

(Constitution)
The first feature of the present invention is that the seedling box transfer device is configured as follows.
Comprising a plurality of the transport mechanism to transfer to the nursery boxes arranged in a predetermined position, and a transferred place mechanism to transfer by operating press the back portion of the aligned nursery box in a direction crossing the arrangement direction of the nursery box the ledge of the carriage . The transfer mechanism is provided with a push portion that opens between the lined nursery boxes by pushing the back surface part between the lined seedling boxes in the direction to be pushed by the transfer mechanism. A support column of the carriage enters into an open portion between the seedling boxes arranged by the pushing portion, and the nursery box arranged by the transfer mechanism passes through the support column of the carriage and is transferred to the shelf of the carriage.
The second feature of the present invention resides in the following configuration in the nursery box transfer device of the first feature of the present invention.
The first control means for moving the pushing portion to the pushing position that opens in the direction of the pushing operation by the transfer mechanism between the seedling boxes arranged side by side, and the transfer mechanism after the pushing portion moves to the pushing position side The second control means that pushes the back of the reared nursery boxes and the rear part of the reared nursery boxes that are lined up by the transfer mechanism are moved in the opposite direction of the pushing direction from the pushing position. And a third control means for moving to the return position.
The third feature of the present invention resides in the following configuration in the seedling box transfer device of the first or second feature of the present invention .
A guide unit is provided that maintains an opened portion between the nursery boxes arranged in a line when the nursery boxes arranged by the pressing unit are opened in a direction in which the nursery boxes arranged by the pressing unit are pushed by the transfer mechanism.

(Function)
[I]
In general, in addition to the four pillars of the carriage that support the shelf (see 5c in FIGS. 3 and 8), the carriage also has a pillar (see FIGS. 3 and 8) in the middle of the side of the carriage. 8b) is provided. In this case, when the rear part of the seedling boxes arranged in a predetermined position is pushed by the transfer mechanism in a direction crossing the arrangement direction of the seedling boxes and moved to the shelves of the carriage, Need to be configured such that the column of the carriage (the column in the middle of the side of the carriage as described above) passes.

  According to the first and second features of the present invention, in the state where the seedling boxes are arranged in a predetermined position (see FIG. 11), for example, as shown in FIG. 12, the pushing portion 25 moves to the pushing position (see FIG. 12). The space between the reared seedling boxes 1 that are lined up is opened in the direction in which the transfer mechanisms 22 and 23 are pushed. Thereafter, for example, as shown in FIGS. 13, 14, and 15, the rear portions of the arranged seedling boxes 1 are pushed by the transfer mechanisms 22 and 23 in a direction intersecting with the arrangement direction of the seedling boxes 1 (downward in FIG. 13). It is operated, and the carriage is placed in the open part between the lined nursery boxes 1 by the point that the space between the lined seedling boxes 1 is opened in the direction pushed by the transfer mechanisms 22 and 23. The five support pillars 5b enter, and the nursery boxes 1 arranged side by side pass through the support pillars 5b of the carriage 5 without difficulty and are transferred to the shelf portion 5e of the carriage 5.

[II]
As described in the preceding item [I] (see FIG. 12), when the space between the lined seedling boxes 1 is opened in the direction pushed by the transfer mechanisms 22 and 23, the rear part of the lined seedling boxes 1 The nursery boxes 1 arranged side by side are slightly tilted with respect to the direction of moving to the shelf 5 of the carriage 5 (downward on the paper surface in FIG. 12).
Thereafter, when the rear portions of the reared nursery boxes 1 are pushed and operated by the transfer mechanisms 22 and 23 in a direction intersecting with the rearing direction of the seedling boxes 1 (downward in the drawing in FIG. 12), as described in the preceding item [I]. The state opposite to the state (the state where the pushing portion 25 moves to the pushing position and the space between the arranged seedling boxes 1 is opened toward the direction of the pushing operation by the transfer mechanisms 22, 23) is generated and arranged The state where the seedling boxes 1 arranged between the seedling boxes 1 as a fulcrum are rotated (inclined) in the opposite direction to the state of the previous item, and the opened part between the arranged seedling boxes 1 is about to close. It may become.

According to the first and second features of the present invention, the transfer mechanism is provided with a push portion, and after the push portion has moved to the push position side, the rear portion of the seedling boxes arranged by the transfer mechanism is pushed. If constituted in this way, for example, as shown in FIGS. 12, 13, and 14, the rear portions of the reared nursery boxes 1 cross the direction in which the nursery boxes 1 are arranged by the transfer mechanisms 22 and 23 (FIGS. 13 and 14). 14), the pushing portion 25 (pushing position side) moves together with the transfer mechanisms 22 and 23. Therefore, the raising seedlings lined up with the growing seedling boxes 1 as a fulcrum. Even if the box 1 tries to rotate (tilt) in the direction opposite to the state described in [I], the back portion between the seedling boxes 1 arranged by the pressing portion 25 is stopped and the rotation (tilt) is stopped.

  Thereafter, as shown in FIGS. 13 to 14, for example, when the back portion of the seedling box 1 aligned by the transfer mechanisms 22 and 23 is pushed, the push portion 25 moves to the return position. The lined seedling boxes 1 return to a state along the pushing direction of the transfer mechanisms 22 and 23 while maintaining the open portion between the lined seedling boxes 1.

  For example, as shown in FIGS. 14 and 15, the lined seedling boxes 1 return to a state along the pushing direction of the transfer mechanisms 22, 23 while maintaining an open portion between the lined seedling boxes 1. The support 5b of the carriage 5 enters the open part between the seedling boxes 1 arranged side by side, and the seedling boxes 1 lined up easily through the support 5b of the carriage 5 so that the seedling boxes 1 arranged slightly tilted. By being in such a state (refer to FIG. 12), a state in which the arranged seedling boxes 1 are caught on the column 5 c of the carriage 5 does not occur.

(The invention's effect)
According to the first and second features of the present invention, in the nursery box transfer device, the rear part of the seedling box arranged in a predetermined position is pushed in a direction intersecting with the arrangement direction of the nursery box, When it is configured to be moved to the trolley shelf, even if the support is provided in the middle of the side of the trolley, the nursery boxes lined up through the trolley's support column without difficulty. The lined seedling boxes return to the state along the pushing direction of the transfer mechanism while maintaining the open portion between the lined seedling boxes, and the lined seedlings The reliability of the operation of the nursery box transfer device could be improved because it was not accompanied by a state where the box was caught on the support column of the carriage.

[1]
FIG. 1 shows the whole nursery box processing facility, including a conveyor 2, an alignment conveyor 3 (corresponding to a conveyor mechanism), a nursery box transfer device 4 supported so as to be movable up and down, a guide rail 6 for guiding a cart 5, and the like. The whole nursery box processing facility is configured. In a seeding facility (not shown) adjacent to the seedling box processing facility, the empty seedling box 1 is supplied with floor soil, irrigated, seeded and covered with soil, and the seedling box 1 after seeding is transferred by the conveyor 2 It is conveyed to the alignment conveyor 3 from the right side of the paper surface of FIG.

  As shown in FIGS. 1, 2, and 4, the alignment conveyor 3 is configured by winding a wide conveyance belt 3 b around a plurality of wide rotation rollers 3 a, and the conveyance belt 3 b is rotated by the rotation rollers 3 a. It is driven to rotate to the left of the page. A pusher 7 is fixed to a fixed portion on the upper side of the sheet of FIG. 1 of the alignment conveyor 3, and a horizontally long pressing portion 8 having a length corresponding to two pieces of the seedling box 1 is fixed to the pusher 7.

  As shown in FIGS. 1, 2, and 4, a horizontally long plate-like alignment stopper 9 is supported on the fixed portion of the alignment conveyor 3 on the left side of FIG. 1 so as to swing up and down around the horizontal axis P <b> 1. A bridging member 10 is fixed across the fixed portions of the alignment conveyor 3 on the paper surface and the lower side of FIG. 1, and an operation cylinder 11 is connected across the alignment stopper 9 and the bridging member 10. Thereby, the alignment stopper 9 is operated to the lowered position and the raised position by the operation cylinder 11.

[2]
Next, the nursery box transfer device 4 will be described.
As shown in FIGS. 1, 2, 3, and 5, the two struts 12 are fixed to the floor at a predetermined interval (a little wider than the length of the two seedling boxes 1). The support member 13 is supported so as to be movable along the support column 12 via the roller 13 a, and the support frame 14 is connected across the two support members 13. A motor 15 and a sprocket 16 that is rotationally driven by the motor 15 are provided on the upper part of the support 12, and a sprocket 16 is provided on the lower part of the support 12. A chain 18 is wound around the upper and lower sprockets 16. Yes. The support member 13 is connected to the chain 18, and the upper sprocket 16 is rotationally driven by the motor 15, so that the support member 13 is driven up and down along the column 12.

  As shown in FIGS. 1, 2, 3, and 5, a frame-shaped support frame 19 is fixed to the support member 13, and a plurality of wide rotating rollers 17 and a motor (not shown) that rotationally drives the rotating rollers 17. Is supported by the support frame 19, and the wide conveying belt 20 is wound around the rotating roller 17, and the conveying belt 20 is rotationally driven to the left in FIG. 1 by the rotating roller 17. A support frame 21 is fixed to the support frame 14 and extends in a cantilevered manner on the left side of FIG. 5 (above the plane of FIG. 1). A rail 21 a is fixed to the lower surface of the support frame 21. A moving portion 22 (corresponding to a transfer mechanism) that is driven to move along the rail 21a of the support frame 21 is provided, and the push portion 23 is bifurcated from the moving portion 22 to the right and left sides of FIG. 1 and FIG. (Corresponding to the transfer mechanism) is extended.

  As shown in FIGS. 5 and 7, a pusher 24 is fixed to the lower portion of the moving portion 22, and a narrow pressing portion 25 fixed to the operation rod of the pusher 24 is disposed between the bifurcated pressing portions 23. The pin member 25a is fixed to the right and left sides of the push portion 25 and extends downward. As shown in FIGS. 7 and 8, a wide guide plate 26 is fixed across the lower portion of the support member 13, and a pair of wedge-shaped guide portions 27 are fixed to the center portion of the guide plate 26 in plan view. Thus, a flat plate-shaped guide portion 31 that is oblique in plan view is fixed to the right and left portions of the guide plate 26. In this case, as shown in FIGS. 5, 6, and 7, the pusher 24 and the pushing portion 25 are located on the upper side with respect to the guide portion 27, and the guide portion 27 is located between the pin members 25 a of the pushing portion 25. ing.

  As shown in FIGS. 1 and 3, a horizontally long plate-like alignment stopper 28 is swingable up and down around the horizontal axis P <b> 2 across the support frame 19 and the support frame 14 in the upper part of the drawing in FIG. 1. The bridging member 29 is fixed across the support frame 19 and the support frame 14 on the upper side in FIG. 1, and the operation cylinder 30 is connected across the alignment stopper 28 and the bridging member 29. . Accordingly, the alignment stopper 28 is operated to the lowered position and the raised position by the operation cylinder 30.

[3]
Next, the cart 5 will be described.
As shown in FIGS. 2, 3, and 8, the carriage 5 has a frame-shaped bottom portion 5 a, two columns 5 b fixed to the center of the lateral side of the bottom portion 5 a, one end of the bottom portion 5 a, and the other end portion The four pillars 5c fixed to the four corners, the upper frame 5d connected over the upper parts of the pillars 5b and 5c, and the pillars 5b and 5c are spaced by a predetermined vertical distance (which is sufficiently larger than the vertical width of the seedling box 1). The rack portion 5e is arranged at intervals), and the moving wheels 5f provided on the bottom portion 5a are provided. Two seedling boxes 1 can be placed on two shelves 5e having the same height in the cart 5, and four seedling boxes 1 can be placed on four shelves 5e having the same height. .

[4]
Next, the overall flow of the seedling box processing facility will be described.
As shown in FIG. 8, the empty carriage 5 is placed on the guide rail 6, the pillar 5 b of the carriage 5 is located behind the guide part 27, and the pillar 5 c of the carriage 5 is located behind the guide part 31. In this way, the cart 5 is arranged. The seedling boxes 1 that have been seeded are conveyed one by one to the alignment conveyor 3 from the right side of the sheet of FIG. 8 by the conveyor 2 and the conveyor belt 3b of the alignment conveyor 3 is rotationally driven to the left of the sheet of FIG. Thus, the seedling box 1 on the conveyor belt 3b of the aligning conveyor 3 is transported to the left side of the sheet of FIG. 8, and the seedling box 1 is placed on the upper side of the sheet of FIG. 8 of the alignment stopper 9 operated to the lowered position. , The nursery box 1 stops (slip occurs between the conveyor belt 3b of the alignment conveyor 3 and the nursery box 1).

  As shown in FIGS. 8 to 9, when the next seedling box 1 is transported from the transport conveyor 2 to the alignment conveyor 3, and on the transport belt 3b of the alignment conveyor 3, it is aligned to the left in FIG. The next seedling box 1 comes into contact with the seedling box 1 that is stopped by contact with the upper portion of the paper surface of FIG. 9 of the stopper 9 (lowering position). The two seedling boxes 1 are stopped side by side on the upper side of the paper. In this state, as shown in FIG. 10, the pusher 7 protrudes and the pushing portion 8 causes the two seedling boxes 1 arranged side by side along the alignment stopper 9 (lowering position) to the lower side of FIG. 10. The two nursery boxes 1 are placed in contact with the lower side of the alignment stopper 9 (lowering position) in FIG. 10 and stopped, and then the pusher 7 is contracted. Then, the pushing portion 8 returns to the original position shown in FIG.

  As shown in FIG. 8, when the pusher 7 contracts and the pushing portion 8 returns to the original position, the next seedling box 1 is transported from the transport conveyor 2 to the alignment conveyor 3 as in FIGS. It is carried on the transport belt 3b of the aligning conveyor 3 and is transported to the left side of the sheet of FIG. 8 and FIG. 9, and two seedling boxes are placed on the upper side of the sheet of FIG. 8 and FIG. 1 is stopped side by side. As a result, the two nursery boxes 1 arranged in total (two sets of four in total) are brought into contact with and stopped by the alignment stopper 9 (lowering position).

  As shown in FIG. 11, the seedling box transfer device 4 is lowered and stopped at the position of the alignment conveyor 3, and the two seedling boxes 1 that are arranged as described above are placed at the alignment stopper 9 (downward position). When two sets (four in total) are brought into contact and stopped, the alignment stopper 9 is operated to the raised position, and the conveying belt 20 is rotated to the left in FIG. As a result, the two nursery boxes 1 that are arranged side by side (two sets in total of four) are conveyed from the alignment conveyor 3 to the conveying belt 20 through the lower side of the alignment stopper 9 (upward position), and are moved to the lowered position. When two aligned nursery boxes 1 (two sets in total of four) are brought into contact with the operated alignment stopper 28 and stopped, the conveyor belt 20 stops (so that the plurality of seedling boxes 1 are arranged in a predetermined position). Equivalent to the state moved to).

  As shown in FIG. 11, when the two arranged seedling boxes 1 (two sets in total of four) are stopped by contact with the alignment stopper 28 (down position) and the conveyor belt 20 is stopped, the seedling box is moved. The changer 4 is driven down to the position of the lowest shelf 5e of the carriage 5 and stops. During this time, as shown in FIG. 12, the alignment stopper 28 is operated to the raised position, the pusher 25 is moved from the return position to the push position by the pusher 24, and two pieces are aligned by the pin member 25a of the push part 25. The rear portion between the seedling raising boxes 1 (two sets in total of four) is pushed downward in the drawing of FIG.

  As a result, as shown in FIG. 12, the arranged nursery boxes 1 (two sets in total of four) rotate (inclined) with the portion away from between the arranged nursery boxes 1 (two sets in total of four) as a fulcrum. ), The arranged nursery boxes 1 (2 sets in total 4) are V-shaped in plan view (see FIG. 12), and the arranged nursery boxes 1 (2 sets in total 4 pieces) The space between the side opposite to the back is opened downward in FIG. 12 (the space between the seedling boxes 1 arranged side by side is pushed by a moving portion 22 and a pushing portion 23 (corresponding to a transfer mechanism). (Corresponding to the first control means).

  As shown in FIGS. 12 to 13, the moving unit 22 is driven to move to the right side of the page of FIG. 5 (downward on the page of FIG. 13) along the rail 21 a of the support frame 21. The rear portion of the seedling raising box 1 (a total of four sets of two sets) is pushed down on the page of FIG. 13 (the rear portion of the arranged nursery boxes 1 is pushed in the direction intersecting the arrangement direction of the raising seedling boxes 1) Equivalent). In this case, the pusher 24 and the pusher 25 together with the pusher 23 are pushed together with the push-down operation of the rear part of the seedling box 1 (two sets in total of four) in which the pusher 23 is arranged. The (pushing position) moves downward on the paper surface of FIG. 13, and the seedling boxes 1 (two sets in total of four) arranged side by side between the arranged nursery boxes 1 (two sets in total of four) are as described above. Is rotated (inclined) in the opposite direction, the back part between the seedling boxes 1 (two sets in total of 4) arranged by the pin member 25a of the pushing part 25 is stopped and the rotation (inclination) is stopped ( The above corresponds to the second control means).

  After this, as shown in FIGS. 12, 13, and 14, the back portion of the seedling box 1 (two sets in total of 4) in which the pushing portions 23 are arranged is pushed down as shown in FIG. Since the part 25 moves from the pushing position to the return position, the open seedling boxes 1 (two sets in total of four sets) are maintained while the open portions between the lined seedling boxes 1 (two sets in total of four sets) are maintained. ) Will return to the state along the pushing part 23, and the open seedling boxes 1 (two sets of four in total) are maintained while the opened seedling boxes 1 (two sets of two sets) are maintained. 4) in total returns to the state parallel to the shelf 5e of the carriage 5 (corresponding to the state in which the reared nursery boxes 1 (2 sets in total 4) return to the state along the pushing direction of the transfer mechanisms 22, 23) (This corresponds to the third control means).

  As shown in FIGS. 14 to 15, the moving unit 22 is driven to move to the right side of the page of FIG. 5 (downward on the page of FIG. 15) along the rail 21 a of the support frame 21, and the seedling boxes 1 (two sets) arranged side by side. 15) is pushed down on the paper surface of FIG. 15, the guide 27 and the support column of the carriage 5 are placed between the rear side of the reared nursery boxes 1 (2 sets in total 4) opposite to the back side. 5b enters. As a result, the state in which the space between the opposite sides of the reared seedling boxes 1 (two sets in total of four sets) in the open direction toward the lower side in FIG. The nursery box 1 (two sets, total of four) is transferred to the bottom shelf 5e of the carriage 5, and the end portion away from between the arranged nursery boxes 1 (two sets, total of four) Is moved to the lowest shelf 5e of the carriage 5 while being guided by the guide 31.

  In this case, as shown in FIGS. 6 and 7, the pusher 24 and the pushing portion 25 are located on the upper side with respect to the guide portion 27, and the guide portion 27 is located between the pin members 25 a of the pushing portion 25. Therefore, the pusher 24 and the pushing portion 25 pass through the upper side of the guide portion 27, and the pin member 25 a of the pushing portion 25 passes through the right and left lateral sides of the guide portion 27.

  Thereafter, as shown in FIGS. 15 to 8, the moving unit 22 is moved and driven to the left side of FIG. 5 (upward in FIG. 8) along the rail 21 a of the support frame 21, so that the pushing unit 23 is moved to the original position. Then, the alignment stopper 28 is operated to the lowered position, and the nursery box transfer device 4 is raised to the position of the alignment conveyor 3 and stopped. 12 to 15, the operations shown in FIGS. 8 to 10 are performed on the aligning conveyor 3, and the nursery box transfer device 4 is driven up to the position of the aligning conveyor 3 as described above. When stopped, as shown in FIG. 11, two juxtaposed seedling boxes 1 (two sets in total of four) are conveyed from the alignment conveyor 3 to the conveying belt 20 through the lower side of the alignment stopper 9.

  After this, the nursery box transfer device 4 is driven down from the lowermost shelf 5e of the carriage 5 to the position of the upper shelf 5e and stopped, and the operations shown in FIGS. 12 to 15 are performed. The two nursery boxes 1 (two sets in total) are moved from the lowest shelf 5e of the carriage 5 to the upper shelf 5e. By repeating the above operation in this way, two juxtaposed seedling boxes 1 (two sets in total of four) are moved in order from the lowest shelf 5e of the carriage 5 to the upper shelf 5e. .

[Another Embodiment of the Invention]
In the above-mentioned [Best Mode for Carrying Out the Invention], as shown in FIGS. 12 and 13, the pusher 24 moves the pusher 25 from the return position to the pusher position, and then the mover 22 is supported by the support frame. 21 is configured to be moved and driven to the right side of the sheet of FIG. 5 (lower side of the sheet of FIG. 13) along the rail 21a of FIG. 21, but the pusher 25 starts to be moved and driven from the return position by the pusher 24. Before reaching the position, the moving unit 22 may be configured to start being moved and driven along the rail 21a of the support frame 21 to the right side of the sheet of FIG. 5 (downward of the sheet of FIG. 13).

  In the above-mentioned [Best Mode for Carrying Out the Invention], as shown in FIG. 11, two side-by-side seedling boxes 1 (two sets in total of four) are transported to the transport belt 20. However, it may be configured such that the two nursery boxes 1 arranged in a row (a total of two seedling boxes 1) are transported to the transport belt 20. The present invention can also be applied to a seedling box processing facility for an empty seedling box 1.

Overall plan view of nursery box treatment facility Whole front view of nursery box treatment facility Overall side view of nursery box treatment facility Side view of alignment conveyor Front view of nursery box transfer device Side view of the vicinity of the moving part, pushing part, pusher, and guide part in a state where the seedling boxes arranged in total (two sets of 4 in total) are moved to the shelves of the carriage Perspective view of the vicinity of the moving part, pushing part and pusher, guide part, guide plate Overall plan view of the seedling box processing facility showing the state where the seedling box after sowing has been transferred from the transfer conveyor to the alignment conveyor The whole top view of the seedling box processing facility showing a state in which two seedling boxes are stopped side by side on the upper side of the alignment stopper (lowering position) in the alignment conveyor next to FIG. The whole top view of the seedling box processing facility showing a state in which two aligned seedling boxes are pushed downward along the alignment stopper (down position) on the alignment conveyor next to FIG. 9. Next to FIG. 10, the seedling box processing facility shows a state where two side-by-side seedling boxes (a total of four sets of two sets) are conveyed from the alignment conveyor to the conveyor belt through the lower side of the alignment stopper (upward position). Overall plan view The whole top view of the seedling box processing facility which shows the state where the space opposite to the back side of the seedling boxes (two sets in total of four sets) arranged next to FIG. Overall plan view of the seedling box processing facility showing the state in which the rear part of the seedling boxes (four sets in total of two sets) arranged next to FIG. While the open part between the nursery boxes lined up next to FIG. 13 (two sets in total of four) was maintained, the lined nursery boxes (two sets in total of four) returned to the state along the pushing portion. Overall plan view of the seedling box treatment facility showing the state Whole plan view of the seedling box processing facility showing the state that the seedling boxes arranged next to FIG. 14 (a total of four sets of two sets) have been moved to the shelves of the carriage

DESCRIPTION OF SYMBOLS 1 Nursery box 3 Conveyance mechanism 5 Cart 5b Cart prop 5e Cart shelves 22, 23 Transfer mechanism 25 Push part 27 Guide part

Claims (3)

A transport mechanism for moving a plurality of seedling boxes to line up at a predetermined position;
It is equipped with a transfer mechanism that pushes the rear part of the arranged seedling boxes in the direction intersecting with the direction of arranging the seedling boxes and moves it to the shelves of the carriage ,
By pressing the back portion between the lined seedling boxes, the pressing mechanism that opens between the lined seedling boxes in the direction to be pressed by the transfer mechanism is provided in the transfer mechanism,
A structure in which the support pillars of the carriage enter the open part between the seedling boxes arranged by the pushing portion, and the nursery boxes arranged by the transfer mechanism are transferred to the shelf of the carriage through the support pillar of the carriage. A nursery box transfer device. A first control means for moving the pushing portion to a pushing position for opening in a direction to be pushed by the transfer mechanism between the arranged seedling boxes;
A second control means for pushing the back part of the seedling boxes arranged by the transfer mechanism after the pushing part has moved to the pushing position;
A third control means for moving the pushing portion from the pushing position to the return position moved in the opposite direction of the pushing direction as the rear portion of the seedling boxes arranged by the transfer mechanism is pushed; The seedling box transfer device according to claim 1. A guide portion is provided that maintains the opened portion between the lined seedling boxes open when the space between the seedling boxes lined up by the pressing part is opened in a direction pushed by the transfer mechanism. nursery box were transferred recombination device according to claim 1 or 2 is Te.

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