JP3285756B2 - Seedling box collection machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling box collecting machine for simultaneously collecting a large number of seedling boxes laid on the ground.

[0002]

2. Description of the Related Art In the seedling raising work of rice and vegetables, seedling boxes are arranged in a house in the order of several hundred to 1,000 sheets after germination and greening and / or hardening treatment is performed. Mechanization technology has been developed to perform efficiently. A technique for laying and collecting seedling boxes is disclosed in Japanese Patent Application Laid-Open No. 7-107817.
Is disclosed in Japanese Patent Application Laid-Open Publication No. HEI 9-203 (1995). This technology selects a traveling device that moves the aircraft forward and backward, a vehicle-mounted unit that places a seedling cart, a transport of seedling boxes from the ground to the aircraft, and a transport of seedling boxes from the aircraft to the ground. Seedling box transport device that can be
Seedling box loading that can selectively load the seedling box on the aircraft into the seedling box cart on the on-vehicle mounting part and lower the seedling box loaded on the seedling box carriage on the on-vehicle mounting part onto the fuselage And a lowering device.

[0003]

The prior art is a laying and collecting machine which can lay and collect two seedling boxes simultaneously by equipping two sets of right and left seedling box transporting devices. In view of the above, there is no mechanism for laterally transporting seedling boxes, so it is difficult to construct so that three or more seedling boxes can be collected at the same time, and it is difficult to expect efficiency. It is difficult to lift the seedling box if the roots are stuck to the ground because it is only lifted by the right and left seedling box guides.

A first object of the apparatus of the present invention is to pick up a number of seedling boxes laid side by side at the same time, transfer all seedling boxes from the front-rear transfer mechanism to the horizontal transfer mechanism, and transfer the seedling boxes from the horizontal transfer mechanism to the transfer mechanism. By taking out the sheets one by one and collecting them in the upper and lower stages in the box collecting mechanism, the machine from picking up the seedling boxes to multi-stage collection can be made compact and simple, and the handling can be facilitated. A second object of the present invention is to connect / separate a working device for simultaneously collecting a large number of seedling boxes and a box collecting device for supplying seedling boxes one by one from the working device and collecting the seedling boxes one above the other. Therefore, each device can be made compact and simple, and the box collecting device can be separated at the end of the laying area so that it can be collected from the end only by the working device.

A third object of the present invention is to ensure that even a seedling box whose roots are stuck to the ground can be picked up with certainty. A fourth object of the device of the present invention is to hook the periphery of the seedling box from below and lift it upward, so that the picking of the seedling box and the insertion of the front-rear transport mechanism below it can be performed reliably. The fifth object of the present invention is to
The purpose is to ensure that the seedling box can be picked up with a simple configuration.

A sixth object of the present invention is to collect collected seedling boxes in multiple stages and collect them in a plurality of rows in a box collecting frame.

[0007]

A first concrete means for solving the problems in the apparatus of the present invention is a work traveling machine A2 .
Then, the periphery Na of a large number of seedling boxes N laid side by side on the ground
Picking up a box that is simultaneously hooked, lifted and moved backward
Mechanism 17 and the whole seedling box N from the box pick-up mechanism 17
The front-rear transport mechanism 6 that receives and sometimes transports backward,
Place the seedling box N delivered from the rear transport mechanism 6 and
Horizontal transport mechanism 5 for collecting from
A delivery mechanism 7 for moving the seedling box N from the middle of
Seedling boxes N are supplied one by one from the delivery mechanism 7 of
And a box collecting mechanism 9 for collecting N.
The line body A2 is advanced to move the front-rear transport mechanism 6 below the seedling box N.
When the box pick-up mechanism 17 is put in
6 backward .

As a result, a large number of seedling boxes N laid in a horizontal row are picked up on the front-rear transfer mechanism 6 at the same time, and all the seedling boxes N are transferred from the front-rear transfer mechanism 6 to the horizontal transfer mechanism 5 to be transferred horizontally. The paper is taken out one by one from the mechanism 5 by the delivery mechanism 7 and collected in the box collecting mechanism 9 in upper and lower tiers. A second specific means for solving the problem in the device of the present invention is a work traveling machine A2.
On top, the periphery Na of a large number of seedling boxes N laid side by side laid on the ground
At the same time, lift and move backward
Mechanism 17 and the whole seedling box N from the box pick-up mechanism 17
A front-rear transport mechanism 6 for receiving and transporting the same at the same time;
Place the seedling box N delivered from the front-rear transport mechanism 6 and
Transport mechanism 5 for collecting paper from the middle to the middle, and this horizontal transport mechanism
5 and a delivery mechanism 7 for moving the seedling box N backward from the middle part.
The work traveling machine body A2 is moved forward and back
When the feeding mechanism 6 is placed under the seedling box N, the box is picked up.
Work equipment in which the mechanism 17 moves backward above the front-rear transport mechanism 6
And a box collecting mechanism 9 for supplying seedling boxes N one by one from the delivery mechanism 7 to the collecting traveling machine C2 detachably connected to the work traveling machine A2, and collecting the seedling boxes N in upper and lower stages.
And a box collecting device C in which a multi-stage seedling box N is sent from the box collecting mechanism 9 for storage, and a box collecting frame 15 that can be unloaded and loaded on the collecting and traveling machine C2. is there.

As a result, the box collecting device C is connected to the working device A so as to be freely connected / separable, and it is possible to work only with the separated working device A. Also, the seedling box N, whose roots are stuck to the ground, is forcibly pulled up by the box pick-up mechanism 17 higher than the front-rear transport mechanism 6. A third concrete means for solving the problem in the apparatus of the present invention is the second concrete means.
In addition to the specific means described above, the box pick-up mechanism 17 has a hook 22 for hooking the peripheral edge Na of the seedling box N from below in front of the front-rear transport mechanism 6, and an actuating means for raising and lowering the hook 22 and changing the angle. 24, and a forward / backward moving means 25 for moving the hooking and operating means 24 back and forth.

As a result, the hook 22 hooks the peripheral edge Na of the seedling box N from below, lifts it upward, and moves up to the front-rear transport mechanism 6. A fourth specific means for solving the problem in the apparatus of the present invention is that, in addition to the second or third specific means, the box collecting frame 15 is provided with a plurality of collecting units 15a for storing the multi-stage seedling boxes N on the left and right. The collecting section 15a is mounted on the collection traveling body C2 so as to be movable in the left-right direction so that the respective collecting sections 15a can be opposed to the box collecting mechanism 9. As a result, the box collection frame 15 can be
When the collection of the multi-stage seedling boxes N is completed, the multi-stage seedling boxes N are moved to the left and right to collect the multi-stage seedling boxes N in the other collecting unit 15a.
To collect.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show the entire seedling box laying and collecting machine which can be changed to the seedling box laying machine and the seedling box collecting machine of the first embodiment. This seedling box laying and collecting machine has a configuration in which a sidewalk is formed in the center, and a total of 16 seedling boxes N on each of the right and left sides can be laid side by side and simultaneously and collected. The seedling box laying and collecting machine is composed of three workable devices A, a box supply device B and a box collection device C which can be connected and separated.
The seedling box laying machine (shown in FIGS. 4 and 5) is obtained by connecting the box feeding device B to the box, and the seedling box collecting machine (shown in FIGS. 6 and 7) is obtained by connecting the box collecting device C to the working device A. Also, it is possible to lay and collect as many seedling boxes N as can be placed on the working device A alone.

1 to 13, a working device A is roughly divided into a lateral transport mechanism 5 on which a seedling box N can be placed and distributed from the center to the right and left and collected from the left and right to the middle part; A front-rear transport mechanism 6 capable of placing a box N thereon and discharging it from the horizontal transport mechanism 5 to the ground and picking up the horizontal transport mechanism 5 from the ground;
A transfer mechanism 7 capable of moving the seedling box N from the rearward position to the middle part of the horizontal transport mechanism 5 and moving the seedling box N from the middle part to the rearward position, and pushing the seedling box N discharged to the ground forward. And a box pick-up mechanism 17 for hooking the peripheral edge Na of the seedling box N laid on the ground and lifting the seedling box N above the front-rear transport mechanism 6, and these are mounted on the work traveling machine body A2.

In FIGS. 1 to 9, the work traveling machine A2 has an engine, a hydraulic pump and the like mounted in a machine main body 31, and drives the left and right crawler traveling sections 32 by a hydraulic motor. It is possible. Horizontal transport mechanism 5
Means for distributing and feeding means 3 on which seedling boxes N can be placed and distributed left and right.
And eight seedling boxes N located on the left and right of the
And a lateral feed unit 4 for distributing and sending the seedling box N. The distribution feeding means 3 and the left and right horizontal feeding means 4 at the center are respectively formed by a wheel conveyor or a roller conveyor supported by a frame 33 fixed to the work traveling machine body A2, and a motor 34 and a chain transmission provided respectively are provided. The drive unit such as the unit 35 can independently rotate forward and backward.

The distributing and feeding means 3 distributes the placed seedling boxes N to the right and left and transfers them to the left or right lateral feeding means 4, and each of the horizontal feeding means 4 receives the seedling boxes N and moves in the left and right direction. It is possible to place and hold a total of eight seedling boxes N over its entire length by moving, and conversely, the eight seedling boxes N placed on each of the left and right lateral feeding means 4 are moved right and left one by one. Convey and distribute and send means 3
Can be collected sequentially on top. The front-rear transport mechanism 6 includes a front-rear transport mechanism 36 formed of a belt conveyor (or a conveyor such as a chain, a wheel, a roller, and the like), and a horizontal transport mechanism 5.
And a pair of pushing means 18 arranged in the left and right sides, respectively, corresponding to the left and right lateral feeding means 4.

Each of the left and right front and rear transport means 36 is disposed forward and downward from the left and right lateral feed means 4 and
A plurality of support plates 38 are supported by a plurality of brackets 37 fixed to the front part of the rotary shaft 3, and the front and rear rotary shafts 26 and 27 are rotatably supported by the support plate 38.
Eight winding bodies 28 such as belts (or chains) on which one seedling box N can be placed are wound between 6, 27, and the rear rotating shaft 27 is driven by a motor 39 provided on the side. It is possible. The left and right front-to-back transporting means 36
At step 8, the seedling box N sent from the lateral feeding means 4 is received and placed, and it is transported forward and discharged to the ground. Conversely, the seedling box N picked up from the ground is placed and placed. The sheet is conveyed backward and is delivered to the position above the traversing means 4.

Each of the right and left pushing means 18 is provided with a frame 33.
A pushing piece 42 is provided upright at the rear end of the frame member 41 slidably mounted on the front and rear, and the frame member 41 is slid by a hydraulic cylinder 43. Is located in the gap between the wheels 4a of the left and right lateral feeding means 4 and protrudes upward to come into contact with the seedling box N. The pushing means 18 slides the frame member 41 forward through the hydraulic cylinder 43, and simultaneously pushes forward the entire seedling box N on the left and right lateral feeding means 4 with the pushing piece 42. Can be passed. The pushing distance of the seedling box N may be short, and the front and rear conveying means 36 conveys the seedling box N from the middle of the pushing.

The delivery mechanism 7 is located on an intermediate portion of the horizontal transport mechanism 5 and raises and lowers the seedling box N between the horizontal transport mechanism 5 and an upper position thereof. It has moving means 20 for moving the seedling box N between an upper position and a rear position thereof, and these are supported by a support frame 45 fixed to the machine body 31. The elevating means 19 is configured such that a plurality of elevating rods 46 are attached to a parallel link 47, and the parallel link 47 is operated by a hydraulic cylinder 48. It is removable.

The moving means 20 is disposed above the elevating means 19, and a winding body 51 such as a chain or a belt is wound around the front and rear shafts 49 and 50, and can be moved back and forth by a motor or the like. The hanging member 51 is provided with a plate-shaped or claw-shaped rear moving piece 52 and a front moving piece 53. The rear moving piece 52 can be brought into contact with the seedling box N on the elevating rod 46 at the upper position, and the front moving piece 53 is a box feeding device B and a box collecting device C.
Can be brought into contact with the seedling box N on the conveyor means 54. However, it is also possible to provide only one moving piece so as to serve as both the rear moving piece 52 and the front moving piece 53.

The delivery mechanism 7 moves the seedling box N on the conveying conveyor means 54 forward by the front moving piece 53 of the moving means 20 and transfers the seedling box N onto the elevating rod 46 at an upper position. 48 to lower the lifting rod 46,
As a result, the seedling box N is lowered from the upper position and transferred to the distribution feeding means 3, and conversely, when the seedling box N is conveyed onto the distribution feeding means 3, the lifting rod 46 is positioned in the distribution feeding means 3. By moving up from the state, the seedling box N is placed and lifted to the upper position, and the lifted seedling box N is moved by the moving means 2.
The post-movement piece 52 moves rearward onto the conveyor means 54.

The box aligning mechanism 16 and the box picking-up mechanism 17 are the same mechanism and differ only in the tip tool involved in the seedling box N. When the contact tool 23 is used as the tip tool, the box aligning mechanism 16 for the seedling box laying machine is used. When the hook 22 is used, a box pick-up mechanism 17 for the seedling box collection machine is obtained. That is, the support frame 4
5, a pair of guide rails 60 protrude forward above the left and right front-rear transfer means 36, a slide table 61 is suspended and supported by each guide rail 60, and a driving means such as a motor or a hydraulic cylinder (not shown) The mounting table 63 is supported on each sliding table 61 via a lifting cylinder 62 so as to be vertically movable.

Eight individual mounting bases 64 are supported on the left and right mounting bases 63 so as to be swingable about a horizontal axis.
A swing cylinder 6 for swinging each individual mounting table 64
5 is provided, and a vertical cylinder 67 is provided on each of the individual mounting bases 64 via a front-rear cylinder 66.
2 are installed. The left and right slides 61 or the left and right mounting tables 63 may be connected, or the mounting table 63 may have a length that covers the entire width of the front and rear transport mechanism 6.
0, the slide table 61, the elevating cylinder 62, etc., may be provided only in one set at the center.

The lifting cylinder 62 and the swing cylinder 65
The operating means 24 is constituted by the vertical cylinder 67 and the like, and the longitudinal moving means 25 is constituted by the driving means and the longitudinal cylinder 66 and the like. The contact tool 23 is a plate that contacts the outer surface of the seedling box N.
And a plurality of claws provided so as to engage with the rib on the back side of the downward flange of the peripheral edge Na. Both of them may be detachably attached to the tip of the rod 67a of the vertical cylinder 67, but in FIG. 11, the hook 22 is attached to the tip of the rod 67a.
The abutment tool 23 is hooked on the hooking tool 22 and stopped by the stop tool 68 so as to be detachably attached.

In FIGS. 10 and 11, the box aligning mechanism 16 attaches the abutment 23 to the vertical cylinder 67, discharges the seedling box N to the ground by the forward and backward transport mechanism 6, and then passes through the operating means 24 and the forward and backward moving means 25. The contact tool 23 is moved to the same height as the seedling box N in front of the front-rear transport mechanism 6, and the driving means is operated or the work traveling machine A2 is advanced, so that the 16 seedling boxes N
At the same time, the rear seedling box N is brought into contact with the seedling box N laid earlier, and the front and rear gap between them is reduced. 12 and 13, the box pick-up mechanism 17 attaches the hook 22 to each of the vertical cylinders 67, and moves the hook 22 via the actuating means 24 and the forward / backward moving means 25 to the seedling box N in front of the front-rear transport mechanism 6. Move to approximately the same height, and use a sensor
While detecting the peripheral edge Na at the rear end, each of the hooks 22 is individually adjusted so as to correspond to the seedling box N to be picked up, and inserted below the peripheral edge Na of the seedling box N (FIG. 12).
Is indicated by a one-dot chain line). The cylinders 65, 66, and 67 are capable of finely adjusting the position of the hook 22.

After each hook 22 is inserted below the periphery Na of the seedling box N, each hook 22 is individually or simultaneously raised by the contraction operation of the vertical cylinder 67, and the periphery Na is raised from below. Hook and pull up. At this time, even if the roots coming out of the seedling box N are stuck to the ground, they can be pulled out.
After or after the lifting, the swing cylinder 65 is operated to change the posture of the hook 22 so that the bottom surface of the hook 22 is substantially parallel to the front-rear conveying means 36 (see the two-dot chain line in FIG. 12). As shown in FIG.
6).

Then, while the work traveling machine body A2 is moving forward, the hook 22 is moved above the front-rear transportation means 36 by the front-rear movement means 25, and the vertical cylinder 67 is slightly extended to operate.
While placing the seedling box N on the front and rear transport means 36, the hook of the hook 22 on the peripheral edge Na is released, and the elevating cylinder 62 and the front and rear cylinders 66 and the like are operated, so that the transport of the seedling box N is not hindered. Thus, the hook 22 is retracted above the front-rear transport means 36. When placing the seedling box N on the front-rear transfer means 36, depending on the height or the front-rear position of the hook 22 with respect to the front-rear transfer means 36, as shown in FIG. On the other hand, the seedling box N is placed so as to lean on the vicinity of the end of the raising side (between the rear end and the center).
Then, the raising side end of the seedling box N is lifted from the front-rear transportation means 36 at an angle E, and in this state, a large gap is formed between the hook 22 and the front-rear transportation means 36. Therefore, it is possible to easily and reliably separate the hook 22 from the peripheral edge Na by the large gap. A part of the seedling box N is a front-
, It can be conveyed by the operation of the front and rear conveying means 36. However, after moving half or more of the seedling box N on the front and rear transport means 36 with the hook 22 and completely placing the seedling box N on the winding body 28, the hook 22 is disengaged from the winding body 28. The engagement may be disengaged by descending to the vicinity.

Reference numeral 72 shown only in FIG. 12 denotes a swinging cylinder, and the rear portion of the front-rear transportation means 36 of the front-rear transportation mechanism 6 is pivotally supported around the rear rotation shaft 27. Is swung by the swing cylinder 72 so that the posture can be changed from the front downward inclined posture to the horizontal posture. The front-rear transfer means 36 can transfer the seedling boxes N to the horizontal transfer mechanism 5 even if the front-rear transfer means 36 is inclined forward and downward.
It is also preferable that the vehicle be kept in a horizontal position when traveling on a road.

FIG. 14 shows a modification of the box aligning mechanism 16, in which a holding plate 71 is projected forward and downward from the support plate 38 of the front-rear conveying means 36 of the front-rear conveying mechanism 6, and
A contact body 23 made of a roller is rotatably attached to one end. Then, by advancing the work traveling machine body A2, the contact body 23 comes into contact with the peripheral edge Na or the main body portion of the seedling box N and presses it while touching the ground. The roller contact body 23 does not need to be grounded, and has a function as a limit gauge wheel when the front-rear transport mechanism 6 is advanced. Further, the holding plate 71 with respect to the support plate 38 or the contact body 23 with respect to the holding plate 71 is made detachable.

FIG. 15 shows a modification of the box pick-up mechanism 17, in which one or two or more substantially L-shaped claw-shaped hooks 22 are attached to the winding body 28 of the front-rear conveying means 36 of the front-rear conveying mechanism 6. Provided. Then, when the winding body 28 is rotated while moving the work traveling machine body A2 forward, the claw-shaped hook 22 is hooked on the peripheral edge Na of the seedling box N, and the seedling box N is lifted upward and the winding body is wound. 28. Box feeder B
4, 5 and 16 to 20, a box supply mechanism 8 that houses the seedling boxes N in a stacked state and supplies the seedling boxes N to the delivery mechanism 7 one by one, and the box supply mechanism 8 A box storage frame body 14 for storing the seedling boxes N in a stacked state to be supplied to and supplying them to the supply traveling machine body B2, and a supply traveling machine body B2 for mounting and supporting these.

The supply traveling machine body B2 has an engine, a hydraulic pump and the like mounted inside the machine body 76, and drives the left and right crawler traveling portions 77 by a hydraulic motor, so that it can travel and steer independently. The supply traveling machine body B2 is detachable from the work traveling machine body A2 via a connecting device (not shown), and is connected to the work traveling machine body A2 and integrally travels and steers. The box supply mechanism 8 includes a conveying conveyor unit 54B formed of a wheel conveyor, a roller conveyor, or the like;
A box holding means 79 provided on a frame 78 laid across the transport conveyor means 54B, and a lift means 80 which moves up and down to a position where the seedling boxes N on the transport conveyor means 54B are held by the box holding means 79. It has.

The rear side of the frame frame 78 is open so that seedling boxes N stacked in, for example, 30 stages can be inserted from the rear while being mounted on the conveyor means 54B. Reference numeral 86 denotes a sensor for detecting that the stacked seedling box N has been carried into a predetermined position in the frame 78, and is capable of moving back and forth to the detection position. The box holding means 79 is the frame 7
8 has a pair of left and right plate-shaped holding members 81 supported by 8, and an egress / retreat means 82 for moving the left and right holding members 81 into and out of the frame 78.

The left and right holders 81 can receive the periphery Na of the seedling box N, and receive the seedling box N1 from the conveyor means 54B.
The stacked seedling box N can be held at a height more than the number of sheets, and the held stacked seedling box N can be opened by being retracted by the retracting means 82. The retracting means 82 is for axially moving a screw shaft attached to the tip of the holding tool 81 by a motor, and may be constituted by a hydraulic cylinder or the like. The lift means 80 is located below the conveyor means 54B, and has a lift table 83 which can project upward from between the wheels of the conveyor means 54B, and a lift drive device 84 which moves up and down the lift table 83.

The lift base 83 is guided up and down by the machine body 76, and a lift driving device 84 drives a cam plate 85 which is in contact with a cam follower on the lower surface of the lift base 83 with a motor or the like to move the lift base 83 up and down. It is supposed to. The lift driving device 84 can be constituted by a hydraulic cylinder or the like. The lifting means 80 includes a left and right holding tool 81.
Is retracted, the stacked seedling boxes N carried into the frame 78 by the conveyor means 54B are lifted by the lift driving device 8
4 to raise the lift table 83 to lift it, and when it descends, the second seedling box N from the bottom is
1 is projected (state in FIG. 18), and the lift table 83 is lowered below the conveyor means 54B, so that the seedling box N at the lowermost position is placed again on the front-rear transfer means 36 and transferred forward. I do.

Next, when the lift base 83 is raised, the laminated seedling box N held by the holder 81 is lifted (the state shown in FIG. 19). The lower seedling box N is lowered, and the second seedling box N from the bottom is received by the advance of the holder 81 thereafter. Box storage frame 14
Is a trolley used in the greening process.
Four rows of storage sections 14a for storing the stacked items in the 0-stage are formed in the left and right direction, and the stacked seedling boxes N can be taken out from the front side of each storage section 14a, and have wheels 90 at the bottom.

A rail 91 is laid on the rear upper surface of the machine body 76, and the wheels 90 of the box storage frame 14 are placed so as to be immovable in the front-rear direction. 8 so that it can move in the left-right direction so that it can face the stacking seedling box N. The stacked seedling box N stored in the box storage frame 14 can be supplied to the conveyor means 54B. Although not shown, a lock device for preventing and releasing the left and right movement of the box storage frame 14 is provided.
The supply of the stacked seedling boxes N from the storage portions 14a of the box storage frame 14 to the transport conveyor means 54B may be performed manually, but here, the stacked seedlings N between the rails 91 at the extended positions of the transport conveyor means 54B. A box supply device 92 is provided.

The stacked seedling box supply device 92 includes a lift 93
, A belt conveyor 95 driven by a motor 94 is supported, and a lifting table 93 is raised and lowered by lifting means 96. The elevating means 96 is configured so that the right and left toggle links 97 are operated by the hydraulic cylinder 98, but the elevating table 93 may be directly moved up and down by the hydraulic cylinder. Each storage portion 14a of the box storage frame 14 holds the left and right sides of the stacked seedling box N with a pair of left and right bottom plates.
When the elevator 93 is lifted by the lifting means 96 from the state shown in FIG. 18, the belt conveyor 95 rises between the left and right bottom plates to lift the stacked seedling box N (the state shown in FIG. 19), and when it is driven in the raised state, it is fed forward. The stacked seedling boxes N are transferred to the conveyor means 54B over the lower beam 14b of the box storage frame 14.

The box collecting device C is shown in FIGS. 6, 7, 21 and 22. The box collecting mechanism 9 is supplied with the seedling boxes N one by one from the delivery mechanism 7 and collects the seedling boxes N in upper and lower tiers. A box collecting frame 15 capable of receiving and storing multi-stage seedling boxes N from the box collecting mechanism 9 and capable of being unloaded from the collecting and traveling machine C2, and a collecting and traveling machine C2 for mounting and supporting these. I have. The collecting and traveling machine C2 has an engine, a hydraulic pump, and the like mounted inside the machine body 101, and drives the left and right crawler traveling units 102 with a hydraulic motor.
It can run and steer independently. In addition, the collection traveling body C2
Is detachably attached to the work traveling machine body A2 via a connecting device (not shown), and is connected to the work traveling machine body A2 to be integrally run and steered. The box collecting mechanism 9 is a transport conveyor means 54C formed of a wheel conveyor, a roller conveyor or the like.
And a frame frame 103 disposed over the transporting conveyor means 54C, and a box multi-stage lifting and lowering method that lifts the seedling boxes N supported on the frame frame 103 one by one at intervals. Means 104 and pusher means 105 for pushing out all the seedling boxes N on the box multistage elevating means 104 backward.

The box multi-stage lifting / lowering means 104 includes a frame 1
A plurality of front and rear chains 109 are wound around the upper and lower shafts 107 and 108 supported by the
The holding metal fittings 110 for holding the side parts are attached at regular intervals, and these are arranged to face left and right.
The seedling box N is lifted up from above 4C by the left and right holding brackets 110, and the seedling boxes N can be collected in, for example, 30 stages at intervals vertically. The pusher means 1
05 has a pusher body 112 provided with a push rod 111 corresponding to all the seedling boxes N collected in the frame frame 103 by the box multistage elevating means 104, and a left and right hydraulic cylinder 113 for moving the pusher body 112 back and forth. By the expansion and contraction operation of the hydraulic cylinder 113, the push rod 111 of the pusher body 112 is moved back and forth between the left and right holding brackets 110 from the front of the seedling box N, and the multi-stage seedling box N is pushed to the rear of the frame 103. it can.

The box collecting frame 15 is a transporter, and has receiving pieces 114 for arranging the seedling boxes N at, for example, 30 stages with a vertical interval. The receiving pieces 114 are arranged in four rows in the left-right direction to form four rows. A collection unit 15a is formed. Each collecting section 15a can insert the multi-stage seedling box N from the front side thereof.
05: Multi-stage seedling box N pushed out from box collecting mechanism 9
Are stored with an interval. The box collecting frame 15 has wheels 115 at a lower portion, and a rail 116 is laid on the rear upper surface of the machine body 101. The wheels 115 of the box collecting frame 15 are placed so as to be immovable back and forth. The box collection frame 15 is moved to each collection unit 15a.
Can be opposed to the box collecting mechanism 9. Although not shown, a lock device for preventing and releasing the left and right movement of the box collecting frame 15 is provided.

Next, a method for collecting seedling boxes when the seedling box laying and collecting machine shown in the first embodiment is used as a seedling box collecting machine will be described. Only the working device A is moved to the end of the laying area in the house, the front-rear transport mechanism 6 is opposed to the laid 16 seedling boxes N in a row, and the box pick-up mechanism 17 is operated to engage the hook. 22 is opposed to each seedling box N, and the hooking tool 22 is hooked from below on the periphery Na of the seedling box N, and the operating means 24 and the forward / backward moving means 25 are operated to raise the hooking tool 22; The seedling box N is tilted and moved backward to move the seedling box N forward and backward
6. Place on top. During this time, the working device A is advanced to approach the next one row of seedling boxes N, thereby reducing the working time.

After placing the vicinity of the raising side end of the seedling box N on the front-rear transport mechanism 6, the operating means 24 and the front-rear moving means 25 are operated again, and the hook 22 is moved to the periphery Na of the seedling box N. , And retracted upward, and moved to a position where the next row of seedling boxes N is picked up. Thereafter, the front and rear transport means 36 is operated to transfer all the seedling boxes N onto the left and right lateral feeding means 4 of the horizontal transport mechanism 5, and during that time, the next row of seedling boxes N is picked up by the box picking mechanism 17, With the two rows of seedling boxes N collected on the working device A, the box collecting device C is connected to the working device A, and the working device A and the box collecting device C run integrally.

The seedling box N placed on the left and right lateral feeding means 4
Are alternately supplied one by one onto the distribution feeding means 3. In the distributing / feeding means 3, the elevating rod 46 of the elevating means 19 of the delivery mechanism 7 is waiting at a lower position, rises simultaneously with the loading of the seedling box N, and raises the seedling box N to the upper position. Seedling box N
Is moved to the upper position, the moving means 20 is operated, and the rear moving piece 52 pushes the seedling box N rearward, and the conveying conveyor means 54 is moved.
Transfer to C. In the box collecting device C, the seedling boxes N sequentially conveyed by the conveying conveyor means 54C are supplied into the box collecting mechanism 9, and are lifted by the box multi-stage elevating means 104 of the box collecting mechanism 9, and are multi-staged with a vertical interval. Will be collected.

When a predetermined number of seedling boxes N are stored in the box multistage elevating means 104, the pusher means 105 is operated to push all the seedling boxes N backward, and to store them in the box collecting frame 15.
When the multi-stage seedling boxes N are stored in the four rows of the collecting sections 15a of the box collecting frame 15, they are lowered by a lift vehicle, and an empty box collecting frame 15 is placed instead. In the seedling box collecting machine, when the inside of the house is sufficiently large, the working device A and the box collecting device C may be connected from the beginning. FIG. 23 shows a second embodiment, in which a horizontal transport mechanism 5 is disposed at the same height as the transport conveyor means 54, and a front-rear transport mechanism 6 is disposed so as to overlap with the horizontal transport mechanism 5. The horizontal transport mechanism 5 and the front-rear transport mechanism 6 are supported by a common frame, and the common frame is swingable so that the front part can be moved up and down around the rear part. Is done.

The horizontal transport mechanism 5 is a roller conveyor (or wheel conveyor) type distributing and feeding means 3 which can be driven independently.
And a lateral feeding means 4 for distributing the seedling boxes N in the left-right direction and transporting them forward and backward. Conveyor roller 12
3 has a tapered front end. Front / rear transport mechanism 6
Wraps a wrapping body 28 such as a chain around the front and rear rotation shafts 26, 26, arranges this wrapping body 28 slightly lower than the conveyor rollers between the conveyor rollers 123, and can transport the seedling box N in the front-rear direction. ing. The front-rear transport mechanism 6 is not limited to the one corresponding to the left-right lateral transport means 4, but also the distribution transport means 3
, And can be driven independently.

Further, one or two engaging members 122 are provided on the winding body 28 at an interval, and the engaging members 122 are provided on the horizontal transport mechanism 5 when moving forward. It functions as the pushing means 18 for pushing the seedling box N, and functions as the abutment tool 23 of the box aligning mechanism 16 for pushing the seedling box N released to the ground forward when disposed at the lower front part of the front-rear transport mechanism 6. In addition, by rotating upward from below the peripheral edge Na of the laid seedling box N, it functions as the hook 22 of the box pick-up mechanism 17 that hooks the peripheral edge Na and lifts the seedling box N,
The engaging tool 122 corresponding to the distributing / feeding means 3 includes:
By moving the seedling box N backward from the front, the function of the moving means 20 for pushing the seedling box N to the transport conveyor means 54 can be performed.

Therefore, although the second embodiment is a seedling box laying and collecting machine, the seedling box collecting machine is used as it is, and the laid seedling box N is collected by operating the front and rear transport mechanism 6. After hooking and lifting the peripheral edge Na of the seedling box N with the fitting 122 and placing it on the left and right lateral feeding means 4 and sending it from the left and right lateral feeding means 4 to the distribution feeding means 3, the front and rear transport mechanism 6 corresponding to the distribution feeding means 3 is moved. The operation is carried out by transferring the seedling box N to the conveyor means 54 with the engagement tool 122. Although the horizontal transport mechanism 5 and the front-rear transport mechanism 6 can transfer the seedling boxes N to the transport conveyor means 54 even if they are inclined forward and downward, the horizontal attitude (shown by a two-dot chain line in FIG. ) Is preferable, and it is preferable that the vehicle is kept in a horizontal posture when traveling on a road.

FIGS. 24 to 26 show another embodiment of the box picking mechanism 17 which can also be used as the box aligning mechanism 16, and this box picking mechanism 17 is provided with a picking seedling box N.
The number of sets corresponding to the number is provided. Projection frame 1
26 is projected forward from the support frame 45, and a pair of guide rails 127 is provided on the projected frame 126, and an individual slide table 128 is hung on each guide rail 127 via rollers for guiding the horizontal and vertical directions. Each of the individual slide tables 128 is supported and is capable of moving back and forth by a driving means having a motor and a chain transmission means 129.
A vertical guide 130 made of a grooved steel bent in the front-rear direction is fixed to the pulley and a pulling rod 131 is guided so as to be vertically movable.

The pulling rod 131 is raised and lowered by a linear motor 132 provided on an individual slide table 128.
At its lower end, a holding table 133 is fixed. A swing member 135 is pivotally supported on a bracket 134 projecting from the holding table 133 via a pin 137 having a horizontal axis. 1
44 is a guide rod for guiding the elevation of the holding table 133,
It penetrates the individual slide 128. A roller 136 is provided at an upper end of the swinging member 135, and the roller 136 is engaged with a groove of the vertical guide 130, and
2 guides the holding table 133 up and down, and swings the swinging member 135 back and forth around the pin 137 because the vertical guide 130 is bent back and forth.

An elevating cylinder 138 is fixed to a lower portion of the swinging member 135, and a front and rear cylinder 139 is attached to a tip of a cylinder rod of the elevating cylinder 138. A mounting plate is attached to a tip of the cylinder rod of the front and rear cylinder 139. 140 is mounted, and claw plates 141 are fixed to the left and right ends of the mounting plate 140 by bolts. The pair of left and right claw plates 141 are integrally formed at the front ends thereof with claw-shaped hooks 22 for engaging the downwardly flanged portion of the peripheral edge Na of the seedling box N from below. The contact member 2 is
By attaching 3, a box alignment mechanism 16 is obtained. Wheels 142 are provided on each of the left and right claw plates 141 so that they can roll on the ground, and the hook 22 can be maintained at a constant height above the ground. 143 is a seedling box detection sensor fixed to the mounting plate 140.

In order to make the wheels 142 conform to the unevenness of the ground, it is preferable that the mounting plate 140 can be slightly swung about the horizontal axis with respect to the cylinder rods of the front and rear cylinders 139. Projection frame 126
Are formed long in the left-right direction, and a plurality of sets of box pick-up mechanisms 17 are provided.
May be a common frame. When the front and rear cylinders 139 are operated or the individual slides 128 are moved forward with the wheels 142 grounded, the box pick-up mechanism 17 of this embodiment detects the seedling box N by the seedling box detection sensor 143. 139 or the movement of the individual slide table 128 is stopped. In the stopped state, the elevating cylinder 138 is actuated to engage the portion of the seedling box N serving as the downward flange of the periphery Na of the seedling box N from below, and the seedling box N is lifted.

Next, when the holding table 133 is raised by the linear motor 132, the roller 136 is guided by the groove of the vertical guide 130 bent forward and backward, and the swinging member 135 swings while rising, and the front and rear cylinders 139 are moved. And claw plate 141
Are inclined substantially along the upper surface of the winding body 28 of the front-rear transport mechanism 6. After or during this operation, the chain transmission means 12
9 is operated to transfer the seedling box N onto the winding body 28. During this time, the working device A is advanced, and the operating device A is moved to the vicinity of the seedling box N to be picked up next. Note that the present invention is not limited to the above embodiment, and can be variously modified. For example, the number of seedling boxes N to be laid and collected at one time by the seedling box laying and collecting machine may be set to a plurality of sheets other than eight each with the central sidewalk interposed therebetween. The length, the number of pairs of the front and rear transport means 36, the number of the hooks 22 of the box pick-up mechanism 17, and the like are set according to the number of seedling boxes N.

The number of seedling boxes N handled by the box collecting mechanism 9 and the box collecting frame 15, respectively, is exemplified by 30 steps.
It is preferable to set a multiple thereof according to the number of seedling boxes N to be collected at one time. It is preferable to alternately transfer the seedling boxes N one by one between the distribution feeding means 3 and the left and right horizontal feeding means 4 in order to improve the left-right balance of the apparatus,
The seedling box N may be delivered continuously only on one side.
Machine body 31 of working device A and machine body 10 of box collection device C
1 is a structure in which the upper part can be swiveled with respect to the lower part by a two-stage structure in the upper and lower parts, or a lateral moving device protruding downward from the machine body is provided so that lateral movement can be performed within a small house in a small range. You may.

The cylinders 43, 48, 6 provided for each mechanism
2, 65, 66, 67, 72, 98, 113, etc. may be air cylinders other than hydraulic cylinders, or may be other mechanical drive means. In the first embodiment, the horizontal transport mechanism 5 of the working device A and the transport conveyor means 54C of the box collecting device C may be set at the same height, and the elevating means 19 of the delivery mechanism 7 may be omitted. A box collecting device C having no engine and crawler traveling unit may be detachably connected or mounted at the rear of the working device A.

Since the work device A, the box supply device B, and the box collection device C work in the house, an electric motor may be used as a drive source thereof, and the operation of each device may be controlled remotely.

[0054]

According to the present invention described in detail above, the following effects can be obtained. Bedding set is one horizontal had rows of a large number of sheets of seedling box N
Are simultaneously picked up on the front-rear transport mechanism 6, and all the seedling boxes N are transported from the front-rear transport mechanism 6 to the horizontal transport mechanism 5.
From the seedling box N to the multi-stage collection, so that the machine from picking up the seedling box N to multi-stage collection can be made simple and easy to handle.

[0055] and the working device A supplies one by one to the middle portion of the horizontal conveying mechanism 5 featured multi several sheets of the laying seedling box N simultaneously,
Since the seedling boxes N are supplied one by one from the working device A and are connected to and separated from the box collecting device C for collecting the seedling boxes N in a multi-stage manner, each device can be made compact and simple, and the installation area end can be reduced. The collecting device C can be separated from the end and the collecting operation can be performed from the extreme end using only the working device A. The box pick-up mechanism 17 includes a hook 22 for hooking the periphery Na of the seedling box N from below,
Actuating means 24 for raising and lowering this hook 22 and changing its angle
And the back-and-forth moving means 25 for moving the hook and the actuating means 24 back and forth, so that the pick-up of the seedling box N and the insertion of the back-and-forth transport mechanism 6 therebelow can be ensured.

When the multi-stage seedling boxes N have been collected in one collecting unit 15a, the box collecting frame 15 moves to the left and right to collect the multi-stage seedling boxes N in the other collecting unit 15a, and collects a plurality of multi-stage seedling boxes N. And the collection efficiency of the seedling box can be increased.

[Brief description of the drawings]

FIG. 1 is a side view of a seedling box laying and collecting machine in a separated state.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of the same.

FIG. 4 is an overall side view of the seedling box laying machine.

FIG. 5 is a plan view of the same.

FIG. 6 is an overall side view of the seedling box collection machine.

FIG. 7 is a plan view of the same.

FIG. 8 is a sectional side view of a main part of the working device.

FIG. 9 is a sectional front view of the same.

FIG. 10 is a side view of the box alignment mechanism.

FIG. 11 is a sectional side view of a main part of the box alignment mechanism.

FIG. 12 is a side view of the box pick-up mechanism.

FIG. 13 is a sectional side view of a main part of the box pick-up mechanism.

FIG. 14 is a sectional side view showing a modification of the box alignment mechanism.

FIG. 15 is a sectional side view showing a modified example of the box pick-up mechanism.

FIG. 16 is a side view of the box supply device.

FIG. 17 is a plan view of the box supply device.

FIG. 18 is a sectional side view of a main part of the box supply device.

FIG. 19 is a cross-sectional side view of the box supply device in a state where a seedling box is lifted.

FIG. 20 is a sectional front view of the box supply mechanism.

FIG. 21 is a sectional side view of a main part of the box collection device.

FIG. 22 is a sectional front view of the box collecting mechanism.

FIG. 23 is a cross-sectional side view of a main part showing a second embodiment of the present invention.

FIG. 24 is a sectional side view showing another embodiment of the box pick-up mechanism.

FIG. 25 is a sectional front view of the same.

FIG. 26 is a plan view of the same.

[Explanation of symbols]

 2 Traveling body 3 Distribution feed means 4 Left and right lateral feed means 5 Lateral transport mechanism 6 Front and rear transport mechanism 7 Delivery mechanism 9 Box collection mechanism 15 Box collection frame 16 Box alignment mechanism 17 Box pick-up mechanism 22 Hook A Work equipment C Box collection Equipment N Seedling box Na Periphery

────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-7-67477 (JP, A) JP-A-5-316879 (JP, A) JP-A-7-107817 (JP, A) (58) Field (Int.Cl. ⁷ , DB name) A01G 9/00 A01C 11/00

Claims (4)

(57) [Claims] 1. Laying on the ground on a work traveling machine (A2)
The periphery (Na) of a large number of seedling boxes (N)
Box pick-up mechanism that can be hooked, lifted and moved backward
(17) and this box picking mechanism (17)
Forward / backward transport mechanism that receives (N) at the same time and transports it backward
(6) and the seedling transferred from the front and rear transport mechanism (6)
A horizontal transport machine that places boxes (N) and collects them from the left and right to the middle
Structure (5) and the lateral transport mechanism (5) from the middle to the rear
A delivery mechanism (7) for moving the seedling box (N), and the delivery mechanism
The seedling boxes (N) are supplied one by one from (7), and the seedling boxes (N) are supplied.
(N) is collected and a box collection mechanism (9) is provided.
The work traveling machine (A2) is moved forward and backward and forward transport mechanism
(6) When putting the seedling box (N) under the box,
Mechanism (17) moves rearward above the front-rear transport mechanism (6).
Seedling box collection machine characterized by performing. 2. Laying on the ground on the work traveling machine (A2)
The periphery (Na) of a large number of seedling boxes (N)
Box pick-up mechanism that can be hooked, lifted and moved backward
(17) and this box pick-up mechanism (17))
Forward / backward transport mechanism that receives (N) at the same time and transports it backward
(6) and the seedling transferred from the front and rear transport mechanism (6)
A horizontal transport machine that places boxes (N) and collects them from the left and right to the middle
Structure (5) and the lateral transport mechanism (5) from the middle to the rear
A delivery mechanism (7) for moving the seedling box (N),
The work traveling machine body (A2) is moved forward and backward and forward transport mechanism
(6) When putting the seedling box (N) under the box,
Mechanism (17) moves rearward above the front-rear transport mechanism (6).
Working device (A) to perform; collection traveling connected detachably to the traveling machine body (A2)
Place a seedling box (N) on the fuselage (C2) from the delivery mechanism (7).
The seedling boxes (N) are supplied one by one and are collected in multiple stages up and down
A box collecting mechanism (9) and a multi-stage
The seedling box (N) is sent in and stored, and the collection traveling machine (C
2) Place the unloadable box collection frame (15) on top
And a box collecting device (C) . 3. The box pick-up mechanism (17) is transported back and forth.
Is the perimeter (Na) of the seedling box (N) in front of the mechanism (6)
(22) and a hook (22)
Actuating means (24) for raising and lowering and changing the angle,
Forward and backward moving means (25) for moving the operating means (24) forward and backward
The seedling box collection machine according to claim 2, comprising: 4. The box collecting frame (15) is a multi-stage seedling box.
A plurality of collecting sections (15a) for storing (N) are formed on the left and right.
Each collection unit (15a) for the box collection mechanism (9)
Left and right on the collection traveling vehicle (C2) so that
3. The device according to claim 2, which is movably mounted.
3. The seedling box collection machine according to 3.