JP2599341B2 - Seedling box removal device for seedling box seeding device - 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 removing device for a seedling box seeding device.

[0002]

2. Description of the Related Art Although not known in the prior art, the prior application filed by the applicant of the present application discloses that a transfer stand having a device for supplying all or a part of floor soil, seeds, covering soil, etc. to a nursery box is provided on the take-out side. A right receiving frame and a left receiving frame are provided for receiving and slidingly placing the seedling raising box sent from the transfer table, and a receiving stand on which the seedling raising box can be stacked is provided below the right receiving frame and a receiving tray is provided below the receiving stand. A transfer section for seedling boxes stacked on a table is provided, and each of the receiving frames is formed to move down when the seedling boxes are placed and to be stacked one by one on the receiving table. A switch which is turned on by the (n-1) th seedling raising box stacked on the receiving stand at the upper position, and the receiving frame on which the nth seedling raising box is placed and the receiving frame are rotated. A switch that is turned on is provided, and both switches are connected to the transfer unit, and when n seedling boxes are stacked on the receiving tray, the transfer unit is automatically transferred to the transfer unit. Configuration it so that has been proposed.

[0003]

The prior art described above has a problem that, when n preceding seedling raising boxes have already been transferred to the transfer section, the succeeding seedling raising boxes cannot be received but are transferred. .

[0004]

Therefore, according to the present invention, the transfer table 1 sends the seedling box 7 to the take-out side 6 of the transfer table 1 having a device for supplying all or a part of the floor soil, seeds, cover soil, etc. A right receiving frame 54 and a left receiving frame 55 for receiving and slidingly placing the seedling raising box 7 are provided, and a receiving stand 22 on which the seedling raising box 7 can be stacked is provided below the right receiving frame 54 and the left receiving frame 22. A transfer section 92 for the seedling raising boxes 7 stacked on the receiving table 22 is provided, and the receiving frame 54,
55 is formed so that when the seedling raising box 7 is placed, it moves down and is stacked one by one on the receiving tray 22, and is stacked on the receiving tray 22 at a position above the receiving tray 22. A switch 101 that is turned on by the (n−1) th seedling raising box 7 and a switch 102 that is turned on by rotating the receiving frame 54 and the receiving frame 55 on which the nth seedling raising box 7 is placed, The transfer unit 92 is provided with a switch 103 that is turned on when the seedling box 7 is transferred from the receiving stand 22.
When both the switch 102 and the switch 103 are turned on, the entire apparatus is stopped so as to be a seedling box removing apparatus of a seedling box seeding apparatus.

[0005]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
Is a transfer table, which is horizontally mounted on the floor 2 by the legs 3,3. The transfer table 1 is publicly known, is formed long in the transfer direction of the seedling raising box 7, and has transfer rolls 4, 4 attached at predetermined intervals. Since the transfer roll 4 is a transfer means of the seedling raising box 7, a transfer belt may be used instead of the transfer roll 4. Reference numeral 5 denotes a supply side of the seedling raising box 7, and 6 denotes a take-out side of the seedling raising box. When the seedling raising box 7 is supplied and placed on the supply side 5, it is laterally fed to the take-out side 6 by the transfer roll 4 rotated by a motor. On the transfer table 1, a floor soil supply device 8, a seeding device 9, a cover soil supply device 10, and the like are provided in this order. 11 is floor soil supply device 8
Hopper, 12 is the same feeding belt, 13 is floor soil,
A floor soil leveling brush 14 for leveling the floor soil 13 in the seedling raising box 7 is attached between the floor soil supply device 8 and the seeding device 9. Reference numeral 15 denotes a seed hopper of the seeding device 9, 16 denotes a feeding roll, and 17 denotes a seed.
A motor 18 for rotating the transfer roll 4 is provided between the two. 19 is a hopper of the soil covering supply device 10, 20
Denotes a feeding belt, and 21 denotes a cover.

On the floor 2 at the extension of the take-out side 6, a receiving stand 22 of a stacking device for the seedling raising box 7 is provided. The cradle 22 is the first
As shown in FIG. 3, a plurality of receiving wheels 23 are provided. The receiving ring 23 is juxtaposed so as to receive the front side, the center and the rear side of the seedling raising box 7, and receives the seedling raising box 7 descending by the stacking device on the upper surface of the receiving ring 23. A front right frame post 24, a rear right frame post 25, a front left frame post 26, and a rear left frame post 27 are provided on the front, rear, left and right sides of the cradle 22. Axis 2
8 and the lower rotating shaft 29 are fixed to each other. Upper rotating shaft 2
8, upper sprockets 30 and 31 are fixed to the lower rotating shaft 29, and lower sprockets 32 and 33 are fixed to the lower rotating shaft 29. A chain 34 is fixed to the upper sprocket 30 and the lower sprocket 32, and a chain 34 is fixed to the upper sprocket 31 and the lower sprocket 33. The chains 35 are respectively wound around. Similarly, as shown in FIG. 2, the front left frame 26 and the rear left frame 2
7 is provided with an upper rotating shaft 36 and a lower rotating shaft 37. The upper rotating shaft 36 has upper and lower sprockets 38, 3
9 is provided, lower sprockets 40 and 41 are provided before and after the lower rotary shaft 37, and a chain 42 is wound around the upper sprocket 38 and the lower sprocket 40, and a chain 43 is wound around the upper sprocket 39 and the lower sprocket 41. I have.

As shown in FIG. 3, a bevel gear 44 is fixedly attached to the rear end of the rotating shaft 29.
Is meshed with the bevel gear 45. The bevel gear 45 is a left-right rotating shaft 4 that is mounted on the frame 25 and the rear left frame 27.
6 to the right end. As shown in FIG. 2, a bevel gear 47 is fixed to the rotating shaft 46,
A bevel gear 48 fixed to the rear end of the rotating shaft 37 is meshed with 7. A sprocket 49 is provided at the left end of the rotating shaft 46.
(FIGS. 1 and 6). A chain 53 wound around a sprocket 52 fixed to a drive shaft 51 of a loading / unloading motor 50 is wound around the sprocket 49. The chain 34 and the chain 35 are provided with an L-shaped right receiving frame 54 when viewed from the front-back direction. Two right receiving frames 54 are provided with a phase change of 180 °. Similarly, a left receiving frame 55 is provided between the chain 42 and the chain 43. The right receiving frame 54 and the left receiving frame 55
Chains 34, 3 rotated by a loading / unloading motor 50
The nursery boxes 7, which are transported sideways from the transfer table 1, are received on both sides while being alternately replaced with another right receiving frame 54 and another left receiving frame 55 while rotating together with 5, 42, 43, and stacked on the receiving table 22. I do. The rear right frame 25 and the rear left frame 27 are located in the vicinity of the take-out side 6 of the transfer table 1, and the rear right frame 25 and the rear left frame 27 are provided.
A left-right rotation shaft 56 is mounted on the upper part of the
Figure). A driving roller 57 is fixed to the rotating shaft 56. As shown in FIG. 6, a sprocket 58 is fixed to the left end of the rotating shaft 56 to which the driving roller 57 is fixed. A chain 61 is wound around the sprocket 58 between the sprocket 58 and a sprocket 60 fixed to the left end of a rotating shaft 59 provided below the rotating shaft 56. A sprocket 62 is fixed to an end of a rotating shaft 59 outside the sprocket 60, and a driving shaft 64 of a fast-forward motor 63 is attached to the sprocket 62.
A chain 66 is wound around a sprocket 65 fixed to the sprocket 65.

At a position further closer to the supply side 5 than the drive roller 57, a drive rapid-feed roll 67 is provided. Arm rods 68, 68 protruding toward the supply side 5 are provided on the rotation shaft 59.
The base of is mounted rotatably. The front end side of the intermediate portion of the arm bars 68, 68 is formed to have a narrow width in accordance with the interval between the frames 70, 70 of the transfer table 1. To wear. A support rod 74 is provided on the shaft 72.
The base of is mounted rotatably. The support rod 74 is connected to the shaft 7.
2, the engaging portion 75 at the tip of the support rod 74 is engaged with the shaft 76 of the transfer roll 4, and the arm rods 68 are supported. The left and right rotation shafts 77 are pivotally mounted on the distal ends of the arm rods 68, 68.
7 is fixed. At a desired position of the rotating shaft 77, a sprocket 78 is fixed, and a chain 80 is fixed between the sprocket 78 and the sprocket 79 fixed to the rotating shaft 59.
Around. When the front end 81 of the preceding seedling raising box 7 reaches the drive fast-forwarding roll 67, the driving rollers 57 and 67 fast-forward to separate the portion indicated by the arrow a in FIG. The drive rollers 57 and 67 are provided so as to have substantially the same height as the transfer roll 4 on the take-out side 6 of the transfer table 1.

A sprocket 83 is mounted on a rotating shaft 82 of the center receiving wheel 23 of the receiving wheels 23, and a chain 87 wound around a sprocket 86 fixed to a driving shaft 85 of a transfer motor 84 is mounted on the sprocket 83. Is wound. A sprocket 89 is attached to a rotating shaft 88 of the rearmost receiving wheel 23, and a chain 91 wound around a sprocket 90 fixed to the shaft 82 is wound around the sprocket 89. A transfer unit 92 is provided on the front side of the cradle 22, and transfer rollers 93 are provided at a predetermined interval in the transfer direction of the seedling box 7 in the transfer unit 92, and are attached to the rotation shaft 94 of the rearmost transfer roller 93. Secures the sprocket 95. A chain 97 wound around a sprocket 96 fixed to the shaft 88 is wound around the sprocket 95. The seedling raising box 7 is fast-forwarded when its front end 81 reaches the drive fast-forwarding roll 67, and
Is supplied on the left receiving frame 55, and the rear end 9 of the seedling box 7 is supplied.
8 is separated from the driving roller 57 at the timing when the front end 8
A switch 99 that contacts 1 is provided in front of the frame post 24 and the front left frame post 26.

The switch 99 is connected to the loading / unloading motor 50.
When the switch 99 is turned on, the loading / unloading motor 50 is energized and the lower rotating shaft 29 and the lower rotating shaft 37 are turned on via the bevel gears 44 and 45 and the bevel gears 47 and 48.
Is rotated, whereby the chains 34, 35, 42, and 43 are rotated to lower the seedling raising box 7.
The right receiving frame 54 and the left receiving frame 55 are mounted so as not to rotate downward together so as to support the seedling raising box 7. However, it is attached to the chain in a structure that can be turned upward so as to be folded up. Reference numeral 100 denotes a switch for stopping the loading / unloading motor 50 rotating the right receiving frame 54 and the left receiving frame 55. The left receiving frame 55 rotates upward and the next right receiving frame 54 and left receiving frame 55 Is provided at a position where it comes into contact with the seedling box 7 which is laterally transferred from the transfer table 1 when it can be received from both sides. The right receiving frame 5
When the nursing boxes 7 are stacked one by one and the nursing box 7 is stacked one by one, the left and right receiving frames 55 cannot be stacked any more. For this reason, a switch is provided for detecting that n nursing boxes 7 are stacked.

The switch 101 is turned on when the (n-1) th seedling raising box 7 is stacked, and the lower switch is in contact with the switch 100 which rises when the nth seedling raising box 7 is lowered. The left receiving frame 55 is the n-th seedling raising box 7 is the receiving stand 2
A switch 102 for detecting the n-th sheet provided at a contact position when the stacking member is completely stacked on the second receiving wheel 23. The switch 101 is provided on the side of the rear right frame post 25 so as to be turned on when the (n-1) th seedling raising box 7 is stacked. The switch 102 is provided above the switch 100 so that the switch 102 is turned on when the n-th seedling raising box 7 is stacked. When the switch 101 and the switch 102 are turned on at the same time, the switch 101 and the switch 102 are operated by communicating with the transfer motor 84 to that effect.

The transfer unit 92 is provided with a switch 103 which is turned on when the seedling raising box group 7 is transferred from the receiving stand 22. When the switch 103 is turned on independently, the switch 103 stops only the transfer motor 84, and at the same time, the switch 101 and the switch 102
Are turned on at the same time, the fast-forward motor 63, the unloading motor 50, and the transfer motor 84
Then, all the seedling devices for seedling boxes such as the floor soil supply device 8, the seeding device 9, and the covering soil supply device 10 of the transfer table 1 are stopped.

On the inner surface of each of the rear right frame pillars 25, 27, seedling box guides 104, 104 which extend outward toward the rear are provided (FIGS. 8 and 9).
A base of an arm 105 is attached to the nursery box guide 104 by a horizontal axis 106, and an elastic roller 107 is attached to a tip of the arm 105. Reference numeral 108 denotes a spring that urges the arm 105 to rotate downward and is wound around the horizontal shaft 106. Reference numeral 109 denotes a rotation stopper for stopping the rotation of the arm 105. The elastic roller 107 is provided above the driving roller 57, and transports the nursing seedling box 7 passing therethrough with the driving roller 57 while nipping it.

[0014]

Next, the operation will be described. When the seedling boxes 7 are successively supplied onto the supply side 5 of the transfer table 1, the seedling boxes 7
Is supplied by the floor soil supply device 8 when the floor soil 13 is supplied. When the floor soil 13 is leveled by the floor soil leveling brush 14 and the seeds pass below the seeding device 9, the seeds are supplied. , And after being irrigated by an irrigation device, is supplied with a covering 21 below the covering device 10, thus completing the seeding (FIG. 1). Thus, the take-out side 6 of the transfer table 1
The seedling raising box 7 that has approached is moved to the driving fast-forwarding roll 67 and, when fast-forwarded, is provided with seedling raising guides 104, 104 on the inner side surfaces of the rear right frame columns 25, 27, respectively. Then, the seedling box guides 104, 104 are brought into contact with each other and guided to the center (FIG. 10). Nursery box guide 10
4 has an arm 1 urged downward by a spring 108.
The seedling raising box 107 is pushed up by the raising seedling box 7 and is sunk under the elastic roller 107 because the elastic roller 107 is provided above the driving roller 57. It is transported while being nipped by the roller 107 and the driving roller 57 (the eleventh
Figure). Therefore, the front end 81 of the seedling raising box 7 is reliably brought into contact with the drive roller 57 without floating.

Then, the preceding seedling raising box 7 slides forward on the right receiving frame 54 and the left receiving frame 55, and its front end 81 is
9, the rear end 98 of the seedling raising box 7 passes through the drive roller 57 and is completely transferred onto the right receiving frame 54 and the left receiving frame 55 (FIG. 13). When the switch 99 is turned on, the loading / unloading motor 50 is turned on, and the right receiving frame 54 and the left receiving frame 55 are moved down with the seedling raising box 7 placed thereon, and the seedling raising box 7 finally reaches the receiving wheel 23. When descending, the right receiving frame 54 and the left receiving frame 55 collide with the receiving wheel 23 or the seedling raising box 7 stacked and rotate together like a raising lug of the combine to escape upward and rotate 180 ° as it is. The left receiving frame 55 collides with the switch 100, so that the loading / unloading motor 50 is turned off by the switch 100, and the chain 34, the chain 3
5. The rotation of the chain 42 and the chain 43 is stopped. During this time, another right receiving frame 54 and another left receiving frame 55 are switched to be ready to receive the seedling raising box 7.

Such an operation is repeated about n-1 times, and n-1 sheets are stacked on the receiving wheel 23. Up to now, the switches 101 and 102 have not been simultaneously turned on. When one is stacked, the switch 101 becomes n
The first seedling raising box 7 remains turned on (No. 14
In this state, the next n-th seedling raising box 7 is
9, when it descends and is completely stacked, another left receiving frame 55 that has been in contact with the switch 100 rises and contacts the switch 102, and the switch 101 and the switch 1
02 are turned on at the same time. Both switches 101, 102
Is turned on, the transfer motor 84 is turned on, the receiving wheel 23 is rotated, and the seedling raising box 7 as it is stacked is transferred to the transfer unit 92 (FIG. 15). When the seedling box group 7 is transferred to the transfer unit 92, the front end 81 of the seedling box 7 turns on the switch 103, stops only the transfer motor 84, and continues the seedling box 7 transferred from the transfer table 1. It is automatically stacked on the cradle 22. When the above operation is repeated and n seedling boxes 7 are stacked on the receiving wheel 23, both the switch 101 and the switch 102 are turned on. Therefore, according to the circuit diagram of FIG. I do.

[0017]

According to the present invention, the take-out side 6 of the transfer table 1 having a device for supplying all or part of the floor soil, seeds, cover soil, etc. to the seedling raising box 7 is provided.
Is provided with a right receiving frame 54 and a left receiving frame 55 for receiving and slidingly placing the seedling raising box 7 sent from the transfer table 1, and a receiving table 22 on which the seedling raising box 7 can be stacked is provided below the right receiving frame 54 and the left receiving frame 22. The cradle 22
Of the nursery box 7 stacked on the cradle 22
2 and the receiving frames 54 and 55 are formed so as to move down when the seedling raising box 7 is placed and to be stacked one by one on the receiving table 22. The switch 101 which is turned on by the (n-1) th seedling raising box 7 stacked on the receiving stand 22 and the receiving frame 5 on which the nth seedling raising box 7 is placed.
4 and a switch 102 which is turned on by rotating the receiving frame 55 is provided. The transfer unit 92 is provided with a switch 103 which is turned on when the seedling raising box 7 is transferred from the receiving stand 22. When both the switch 102 and the switch 103 are turned on, the seedling raising box removal device of the seedling raising seeding device configured to stop the entire device is used, so that the preceding seedling raising box 7 is moved. When the subsequent seedling raising box 7 is full of receiving trays, the entire apparatus is prevented from stopping and failing.

[Brief description of the drawings]

FIG. 1 is an overall vertical side view.

FIG. 2 is a rear view of the stacking device.

FIG. 3 is a side view of the stacking device.

FIG. 4 is a side view of the arm rod.

FIG. 5 is a rear view of the stacking device.

FIG. 6 is a perspective view of a power transmission mechanism.

FIG. 7 is an attached state diagram of a sprocket.

FIG. 8 is a diagram showing a state where the stacking device is mounted on the transfer table.

FIG. 9 is a perspective view of an elastic roller.

FIG. 10 is an operation state diagram of an elastic roller.

FIG. 11 is an operation state diagram of an elastic roller.

FIG. 12 is a circuit diagram.

FIG. 13 is an operation state diagram of the stacking device.

FIG. 14 is an operation state diagram of the stacking device.

FIG. 15 is an operation state diagram of the stacking device.

FIG. 16 is an operation state diagram of the stacking device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Transfer stand, 2 ... Floor, 3 ... Leg, 4 ... Transfer roll, 5 ...
Supply side, 6 ... take-out side, 7 ... seedling raising box, 8 ... floor soil supply device,
9: seeding device, 10: soil covering device, 11: hopper,
12 ... feeding roll, 13 ... floor soil, 14 ... floor soil leveling brush, 15 ... hopper, 16 ... feeding roll, 17 ... seed,
18 ... motor, 19 ... hopper, 20 ... feeding belt,
21 ... soil cover, 22 ... receiving stand, 23 ... receiving ring, 24 ... frame pillar,
25 ... frame pillar, 26 ... frame pillar, 27 ... frame pillar, 28 ... upper rotating shaft, 29 ... lower rotating shaft, 30 ... upper sprocket, 31
... upper sprocket, 32 ... lower sprocket, 33 ...
Lower sprocket, 34 ... Chain, 35 ... Chain, 36
... upper rotation shaft, 37 ... lower rotation shaft, 38 ... upper sprocket, 39 ... upper sprocket, 40 ... lower sprocket, 41 ... lower sprocket, 42 ... chain, 43 ... chain, 44 ... bevel gear, 45 ... bevel gear, 46 ... rotation Shaft, 47: bevel gear, 48: bevel gear, 49: sprocket, 50: motor for loading / unloading, 51: drive shaft,
52: sprocket, 53: chain, 54: right receiving frame, 5
5 left receiving frame, 56 rotating shaft, 57 driving roller, 58
... Sprocket, 59 ... Rotary shaft, 60 ... Sprocket,
Reference numeral 61: chain, 62: sprocket, 63: fast-forward motor, 64: drive shaft, 65: sprocket, 66: chain, 67: drive fast-forward roll, 68: arm rod, 70: frame, 72: shaft, 74: support Rod, 75 ... engaging part, 76 ...
Shaft, 77: Shaft, 78: Sprocket, 79: Sprocket, 80: Chain, 81: Front end, 82: Rotating shaft, 83 ...
Sprocket, 84: motor for transfer, 85: drive shaft,
86 ... sprocket, 87 ... chain, 88 ... rotating shaft, 8
9 sprocket, 90 sprocket, 91 chain, 92 transfer part, 93 transfer roller, 94 rotating shaft, 95 sprocket, 96 sprocket, 97
Chain: 98: rear end, 99: switch, 100: switch, 101: switch, 102: switch, 103: switch, 104: seedling box guide, 105: arm,
106: horizontal axis, 107: elastic roller, 108: spring,
109 ... detent.

Claims (1)

(57) [Claims] 1. A seedling box 7 sent out from the transfer table 1 is received and slid on an extraction side 6 of the transfer table 1 having a device for supplying all or a part of floor soil, seeds, cover soil, etc. to the seedling box 7. A right receiving frame 54 and a left receiving frame 55 to be dynamically mounted are provided, and a receiving stand 22 on which the seedling raising box 7 can be stacked is provided below the right receiving frame 54 and the left receiving frame 55. A transfer section 92 for the seedling raising box 7 is provided, and the receiving frames 54 and 55 are formed so as to move down when the seedling raising box 7 is placed and to be stacked one by one on the receiving base 22. A switch 101 which is turned on by the (n-1) th seedling raising box 7 stacked on the receiving table 22 at a position above the receiving tray 22, and the receiving frame 54 on which the nth seedling raising box 7 is placed.
And a switch 102 that is turned on when the receiving frame 55 rotates, and a switch 103 that is turned on when the seedling raising box 7 is transferred from the receiving stand 22 is provided in the transfer unit 92, and the switch 101 and the switch A seedling box removal device for a seedling box seeding device configured to stop the entire device when both the switch 102 and the switch 103 are turned on.