JP3396160B2 - Seedling box ground treatment 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 ground processing machine for developing and collecting seedling boxes spread on the ground.

[0002]

2. Description of the Related Art In seedling raising work for rice and vegetables, after germination, seedling boxes are arranged in a house (hardening house) in units of several hundred to 1,000 sheets for greening and / or hardening treatment. Mechanization technology has been developed for efficient collection within a small site. As a technology for deploying and collecting seedling boxes,
There is one disclosed in Japanese Patent Application Laid-Open No. 7-107817. This technology is a traveling device that moves the aircraft forward and backward,
A platform for mounting a seedling box cart, a seedling box transporting device that can selectively transport seedling boxes from the ground to the aircraft and from the aircraft to the ground, and a seedling box on the aircraft A seedling box loading and unloading device that can selectively load the seedlings on the platform on-board storage section and unload the seedling boxes loaded on the platform mounting section on the machine is installed. Is configured.

The seedling box transfer device is used both for deployment and recovery. The rear part is pivotally supported by the machine body via a transfer drive shaft, and a hydraulic cylinder provided between the rear side part and the machine body side makes the front end approach the ground from a horizontal posture. The posture can be changed.

[0004]

In the prior art described above, only one kind of seedling box carrying device is permanently installed, and if it is constructed so as to be most suitable for one of the developing and collecting works, the efficiency of the other work will decrease. This makes it difficult to replace and use the optimum seedling box transfer device for each deployment and recovery.Because the hydraulic cylinder is directly connected to the seedling box transfer device, Even if it is close to the ground, it is difficult to deposit it on the ground, and it is difficult to make it in a floating state that follows the unevenness of the ground.

According to the present invention, there is provided a seedling box ground processing machine in which the carrying means is detachably attached to one supporting frame and a tilting mechanism so that the carrying means can be replaced and the carrying means can be in a floating posture. The purpose is to provide.

[0006]

A first concrete means for solving the problems in the present invention is a carrier frame 21 in which a support frame 5 is attached to a traveling machine body 9 to transfer the seedling box N to the ground. And the rear portion of the transport frame 21 is engaged with the front portion of the support frame 5 so as to be vertically swingable and detachable.
The support frame 5 is provided with a tilting mechanism 7 for changing the posture of the transport frame 21 between a substantially horizontal posture and a floating posture in which the front is lowered.

As a result, the carrying means can be engaged with and disengaged from one support frame 5 and the tilting mechanism 7, and the carrying means can be replaced easily and easily, and the carrying means can be carried in the floating posture. Become. In addition to the first specific means, the second specific means for solving the problems in the present invention is such that the tilting mechanism 7 is supported by the support frame 5 so as to be vertically swingable and contacts the transport frame 21 from below. That is, the tilting member 18 that comes into contact with the separation member 18 and the actuator 19 that swings the tilting member 18 in the lifting direction of the transport frame 21 are provided.

As a result, the carrying frame 21 is made detachable, and the carrying means is tilted only by tilting the tilting member 18 to be in a floating posture. A third concrete means for solving the problem in the present invention is, in addition to the first or second concrete means, the carrying means is a vertical machine for carrying a plurality of seedling boxes N in the left-right direction and carrying them back and forth. That is, it has a transporting means 24 and a horizontal transporting means 25 for horizontally transporting one seedling box N on one side on the vertical transporting means 24 to the other side.

As a result, a plurality of seedling boxes N in the left-right direction are moved forward, and one lateral movement of one seedling box N pushes the lateral seedling box N. A fourth concrete means for solving the problems in the present invention is, in addition to the first or second concrete means,
The transport means includes a vertical transport means 39 for placing two seedling boxes N in the left-right direction and transporting them forward and backward, and 2 on the vertical transport means 39.
That is, it has a lateral conveying means 40 for laterally conveying one of the seedling boxes N to the other position.

As a result, the two seedling boxes N are moved rearward in the left-right direction, and the lateral movement of one seedling box N also laterally moves the other seedling box N.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows the whole seedling box deployment / collection machine 1 which can be changed to a seedling box deployment machine A and a seedling box collection machine B as a seedling box ground processing machine. The seedling box deploying and collecting machine 1 has a configuration in which, while forming a sidewalk in the center, two or more left and right plural seedling boxes N are horizontally oriented and simultaneously deployed side by side and two left and right two sheets can be collected respectively.

The seedling box unfolding and collecting machine 1 comprises a working unit 3
The work unit 3 is roughly divided into a deployment work unit 3A and a recovery work unit 3
B and. In the following description, the front side is the side on which the seedling box N is developed, and the working unit 3 moves backward during expansion and advances during recovery.

The unfolding work unit 3A is shown in FIGS. 1 to 7, and includes a support frame 5 attached to the main unit 4 side, and a vertical and horizontal transport mechanism (transport device) 6A having a rear portion pivotally connected to the support frame 5. , A tilting mechanism 7 that is provided on the support frame 5 side and tilts the vertical and horizontal transport mechanism 6A.
Have and. The collection work unit 3B is shown in FIGS. 1 and 8 to 11, and includes a support frame 5 attached to the main unit 4 side, a vertical and horizontal transport mechanism 6B having a rear portion pivotally connected to the support frame 5, and the support frame 5 side. And a box pick-up mechanism 8 attached to the support frame 5 or the main unit 4 side.

The supporting frame 5 and the tilting mechanism 7 of the unfolding work unit 3A and the collecting work unit 3B are common, and the vertical and horizontal transport mechanisms 6A and 6B are alternatively supported.
The box pick-up mechanism 8 is attached to the main unit 4
It is detachably fixed to the side. The main unit 4 includes a crawler-type traveling machine body 9, a box delivering means 10 arranged on the traveling machine body 9, a box elevating mechanism 11 arranged across the box delivering means 10, and a box elevating mechanism 11. The traveling machine body 9 is provided with a support frame 5 and a tilting mechanism 7, which are provided as a common device for the unfolding work unit 3A and the collecting work unit 3B.

1 to 9, the unfolding work unit 3A
The support frame 5 common to the recovery work unit 3B is formed in a rectangular frame shape in a plan view by combining a horizontal member and a vertical member, a pair of left and right engaging portions 15 are provided at the front portion, and a stay 16 is provided at the left and right side portions. Is erected upright, is detachably fixed to the traveling machine body 9, and pivotally supports a bent portion of a tilting member 18 having a substantially L-shape in a side view via brackets 17 on the front left and right sides.

The tilting member 18 has a substantially L-shaped lower part which is arm-shaped and extends forward, and an actuator 19 such as a hydraulic cylinder is connected to the upper part. Although the actuator 19 is supported by the stay 16, the box lifting mechanism 11
It may also be supported on the frame of the arm and is extended to tilt the arm downward. The support frame 5 and the tilting member 18
The tilting mechanism 7 of the vertical / horizontal transport mechanism (transport device) 6 is configured by the actuator 19 and the like.

The support frame 5 is formed by projecting a pair of left and right plate members from the traveling machine body 9, and a tilting member 18 is provided.
Alternatively, the actuator 19 may be formed between one arm member and the support frame 5. 1 to 7
At the horizontal and vertical transport mechanism 6A of the unfolding work unit 3A
Is a conveyance frame 21A in which model steels are assembled vertically and horizontally, and the conveyance frame 2
2 sets or more in the left-right direction within 1A, for example, 5 sets of roller conveyors 22 and drive rollers 23 on the front side of the conveyance frame 21A
And a vertical conveyance means 24 formed by and a pair of front and rear horizontal conveyance means 25 arranged on the center side in the conveyance frame 21A.
A pair of left and right vertical conveying means 24 and horizontal conveying means 25 are provided, and have a bilaterally symmetrical shape with respect to the center line of the traveling machine body 9.

The pair of right and left vertical conveying means 24 are separated by the size for forming the passage L. The roller conveyor 22 of each vertical conveying means 24 employs an idle roller, and two horizontally long seedling boxes N can be placed on the front and rear of one set of roller conveyors 22, and the driving roller 23 has a conveying frame 21A. A roller 28 is provided on a rotating shaft 27 supported by a bracket 26 on the front side of the rotating shaft 27. The rotating shaft 27 is connected to the motor 3 via a transmission device 29 such as a chain transmission device on the side surface of the transport frame 21A.
It can be driven at 0.

The roller conveyor 22 may be a driving roller, but in the front conveying means 24, only the front driving roller 23 is a forward feeding driving portion. The roller conveyor 22 on the center side is located at a position where the seedling box N is carried in from the rear box delivering means 10, and a stopper (not shown) which can advance to the front is provided at the front part of the box delivering means 10. The brought-in seedling box N is designed not to fall.

At the tip of the bracket 26, there is a grounding wheel 31 which is an extension of each set of roller conveyors 22 and which can be grounded.
Is supported. The grounding wheel 31 supports the front end of the vertical conveying means 24 and also functions to push the seedling boxes N laid on the ground from the rear side to align them. The lateral conveying means 25 supports a sprocket on one central shaft 25A so as to freely rotate,
A sprocket is fixed to each of the left and right shafts 25B, a chain 32 is wound between the center and left and right sprockets, and an engaging member that engages with the seedling box N is provided on the chain 32. It is placed in the gap.

The power from the motor 25C is transmitted in the opposite direction to each of the left and right shafts 25B, and the left and right chains 32 move in the opposite direction, so that the two front and rear seedling boxes N carried in on the left and right chains 32 are moved. Push one box outwards left and right. Therefore,
The lateral transfer means 25 puts the seedling box N loaded on it in one
A predetermined number of seedling boxes N can be lined up on the vertical transport means 24 simply by pushing the boxes, and this is performed simultaneously on the left and right sides, so that the horizontal weight balance in the vertical and horizontal transport mechanism 6A is maintained well.

A pair of left and right pivot shafts 33 are provided at the lower rear portion of the transport frame 21A, and the pivot shafts 33 are engaged with the engaging portions 15 of the support frame 5 so as to be engageable and disengageable from above. It The pivot shaft 33 in the engaged state is the tilting member 18 having a substantially L shape.
It is concentric with the fulcrum of, but may be offset forward or backward or up and down. The tip of the arm portion of the tilting member 18 can freely come into contact with and separate from an abutting member 34 provided on the transport frame 21A. When the tilting member 18 is swung upward by the actuator 19, the transport frame 21A is supported by the pivot shaft 33. Lifting and swinging around the center, the vertical / horizontal transport mechanism 6A is placed in a substantially horizontal posture, and the actuator 19
And the tilting member 18 is swung downward, the transport frame 21A is lowered around the pivot 33, and the vertical / horizontal transport mechanism 6A is tilted to the front downward posture in which the ground wheel 31 is in contact with the ground.

The tilting member 1 is moved from the state where the ground wheel 31 is grounded.
When 8 is further swung downward slightly and the tilting member 18 is separated from the transport frame 21A, the vertical / horizontal transport mechanism 6A enters a floating state that follows the unevenness of the ground. The transport frame 21A
Wheels are provided at both left and right ends or in the middle of the
The weight of A may be supported by the wheels, and the ground wheel 31 may be slightly lifted from the ground. Further, the vertical / horizontal transport mechanism 6A can transport the seedling box N back and forth and laterally even on only one side thereof.

The transport frame 21A and the vertical transport means 24 of the vertical / horizontal transport mechanism 6A are folded and connected at a position substantially corresponding to the side edge of the traveling machine body 9 and a position between the position corresponding to the side edge of the traveling machine body and the outer end. The part 35 is formed, and the folding connection part 3 is formed.
5 is foldable around the front-rear axis, and the rotary shaft 27 is also connected via a universal joint at a position corresponding to the fold connecting portion 35.

By folding the left and right vertical / horizontal transport mechanisms 6A in two places in a direction in which the outer end side of the transport frame 21A is lifted upward, the working unit 3A is within the front projection area of the main unit 4, as shown in FIG. If it is a frontage that allows the main unit 4 to pass through, the whole seedling box expansion / recovery machine 1 can pass through. Left and right vertical and horizontal transport mechanism 6
In A, the left and right positions of the folding connecting portion 35 are slightly displaced,
When folded, the left and right outer parts are arranged vertically offset on the front side of the main unit 4 and do not collide.

When the width of the left-right vertical / horizontal conveying mechanism 6A is narrow, the folding connection portion 35 is formed at either the position substantially corresponding to the side edge of the traveling machine body or between the position corresponding to the side edge of the traveling machine body and the outer end. It 8 and 9, the recovery work unit 3
The vertical / horizontal transport mechanism 6B of B is a transport frame 2 in which model steel is assembled vertically and horizontally.
1B and the center side drive conveyor 37 in this conveyance frame 21B
And vertical conveying means 3 formed by the side-side drive conveyor 38
9 and two sets of lateral conveying means 40 arranged at positions overlapping the side driving conveyor 38 in the conveying frame 21B.

The center side drive conveyor 37 and the side side drive conveyor 38 are symmetrical with respect to the center line of the traveling machine body 9, but the two sets of lateral conveying means 40 are left and right displaced by one box forward and backward. The left and right center side drive conveyors 37 of the vertical conveyance means 39 transmit the power from one motor 41 by a transmission means such as a chain transmission means, and the roller shafts of the respective center side drive conveyors 37 are outside side portions. It is connected to the roller shaft of the side drive conveyor 38 via a joint so as to drive the side drive conveyor 38 synchronously.

The central drive conveyor 37 is formed to be slightly longer rearward than the side drive conveyor 38 so that the seedling box N can be carried out to the rear box transfer means 10, and the side drive conveyor 38 can be driven. A notch 42 is formed on the outer side of the tip of the conveyor 38, and the front side portion of the transport frame 21B is a side side drive conveyor 3
It does not interfere with the above-ground seedling box N that is not collected in 8.

The lateral conveying means 40 includes motors 43A and 43A.
A chain is wound around a pair of sprockets driven by B, and an engaging member that engages with the seedling box N is provided on this chain, which is arranged in the roller gap of each side drive conveyor 38. Seedling box N that was brought in on it
Is pushed onto the central drive conveyor 37 by one box. The left side seedling box N can be moved to the rear end of the left side drive conveyor 38, but the right side seedling box N is provided with a stopper 45 behind the right side lateral transfer means 40 so as not to move further backward. Has become. The stopper 45 may be fixed or movable back and forth.

The vertical / horizontal transport mechanism 6B is also the vertical / horizontal transport mechanism 6A.
Similarly, in the transport frame 21B and the vertical transport means 38, the folding connecting portion 35 is formed at a position substantially corresponding to the side edge of the traveling machine body 9, and the folding connecting portion 35 can be folded around the front-rear axis. The universal joint connecting the central drive conveyor 37 and the side drive conveyor 38 of the vertical conveying means 39 corresponds to this.

By folding the left and right vertical / horizontal conveying mechanisms 6B at one place in a direction in which the outer end side is lifted upward, as shown in FIG.
Similarly, as long as the working unit 3B is within the front projection area of the main unit 4 and has a frontage through which the main unit 4 can pass, the whole seedling box unfolding and collecting machine 1 can pass through. The box pick-up mechanism 8 to be described later is made foldable by the folding connection portion 35 or is detached from the traveling machine body 9.

In the vertical / horizontal transport mechanism 6B shown in FIG. 9, four horizontally long seedling boxes N are placed on the vertical transport means 39 at the same time on the horizontal transport means 39 and moved backward, and the right two seedling boxes N are stopped by the stopper 45. After that, the left two seedling boxes N are moved to the rear end of the transport frame 21B. Then, the two right seedling boxes N are moved to the center side by the right lateral transfer means 40, and left 2 is displaced rearward from that.
The four seedling boxes N are moved to the center side by the left side lateral transfer means 40, and a total of four seedling boxes N are arranged in the front, rear, left, and right at the center of the transfer frame 21B, and the center side drive conveyor 37 is re-driven in that state. All the seedling boxes N to the rear.

When a total of four seedling boxes N, two left and right in total, are simultaneously collected in this way, the lateral transport of the seedling boxes N on the left and right becomes substantially symmetrical, and the weight balance becomes good. 8 to 11, the box pick-up mechanism 8 can pick up four seedling boxes N in one row at a time corresponding to the vertical-horizontal transport mechanism 6B, and the stay is projected from the box elevating mechanism 11 or the support frame 5 or the like. The front frame 51 attached to the stay and protruding forward, the hooks 52 provided on the front frame 51 in a plurality of left and right directions, and the hooks 52 are forcibly flipped upward and rearward to raise the seedling box. Forced disengagement means 56 for disengaging from N and stopper means 57 for restricting the operation of the forced disengagement means 56.
And a retracting means 58 for forcibly releasing the stopper means 57 to retract the catch tool 52, and a forcible disengagement means 56 for the catch tool 52.
Has a returning means 59 for returning to a substantially drooping position and a control means 65 for controlling the operation.

The hook 52 has a support shaft 54 provided on the corner member 51A of the front frame 51, and is provided with three seedling boxes N per sheet.
The book is loosely fitted so as to be independently swingable, and a lower portion thereof forms a hanging claw portion 52A having a substantially L shape (hook shape) in side view,
In a state where the hanging claw portion 52A is substantially grounded (a state in FIG. 10), as the main unit 4 moves forward, the forward movement of the main unit 4 hooks the periphery Na of each seedling box N from below.

A state in which the hook 52 is hooked (see FIG. 1).
Since the seedling box N does not move in the 0 state (b state of 0), the seedling box N moves in an arc around the upper part, and the rear part is lifted around the front part of the seedling box N by moving in an arc backward and upward (state C in FIG. 10). Then, the hook 52 is above the front of the vertical / horizontal transport mechanism 6B in a state where the seedling box N is lifted (the state of FIG. 1C), and when the upper part of the hook 52 is further advanced from this state, the hook 52 swings by a certain angle or more. At this time, the peripheral edge Na abuts on the upper part of the hanging claw portion 52A, and the lever claw 52A is disengaged from the peripheral edge Na (natural detachment angle, two states of FIG. 10), so that the seedling box N falls. It is placed on the vertical and horizontal transport mechanism 6B.

The hook 52 is hooked by the lever action 52.
Before A is disengaged from the peripheral edge Na, that is, before the swing angle reaches the natural disengagement angle, it is forcibly flipped up and disengaged by the compulsory disengagement means 56 (compulsory disengagement angle). The mechanism and action of forcibly detaching the hook 52 and returning it to the set position will be described below.

The collection work unit 3B is moved forward while facing the seedling boxes N arranged side by side. At this time, when the sensor 65A detects the flip-up member 60 or the sensor 65B does not detect the flip-up member 60, the work unit 3B is advanced as it is because the hooking tool 22 is in a substantially hanging state (i). Then, the motor 64 is normally rotated by 1 through the control unit 66, the returning means 59 is driven, the flip-up member 60 is swung downward by the set lever 59A, and the stopper means 57 is operated to move the flip-up member 60. It is held at the set position and detected by the sensor 65A.

When the hook 52 is set in the substantially hanging state (i), the recovery work unit 3B starts to move forward and the hook 5 moves.
2 is dragged, and its hanging claw portion 52A is hooked on each seedling box N that has been expanded. Then, the rear part of the seedling box N is pulled up around the front end, and the hook 52 swings upward and backward around the support shaft 54 to a certain angle while drawing an arcuate trajectory, and immediately before the natural release angle, the hook 52 moves. Is the stopper member 62
It comes into contact with the release lever portion 62A and rotates.

When the stopper member 62 is released, the flip-up member 60 is shocked up by the elastic force of the urging member 61, and all the hooks 52 are forcibly flipped up, so that the hook claws 52 are released.
Remove A from seedling box N. As a result, the rear part of the seedling box N is dropped onto the vertical and horizontal transport mechanism 6B. In this way, the seedling boxes N are lifted by the plurality of hooks 52 corresponding to the respective seedling boxes N and transferred onto the vertical / horizontal transport mechanism 6B, and the seedling box N is completely placed on the vertical / horizontal transport mechanism 6B. After seeing, the forward button is pressed, or after the sensor 65B detects the flip-up member 60, after a set time, the motor 64 is rotated 1 forward, the return means 59 is driven, and the set lever 59A is used to flip up the flip-up member 6.
0 is pushed down, the flip-up member 60 is overrun, then returned to the set position, the set lever 59A is raised, and then the box picking mechanism 11 is made to perform the seedling box picking operation again.

When the backward movement button is pressed when the required collection of seedling boxes N is completed or when the work unit 3B is moved backward for some reason, the sensor 65A detects the flip-up member 60 or the sensor 65B jumps. Lifting member 6
If 0 is not detected, the hooking tool 52 is in the hanging state (a). Therefore, if the work unit 3B is moved backward, the hooking tool 52 in the dragged state will be caught as if it bites into the ground. The motor 64 is rotated in the reverse direction to drive the retracting means 58.

The short rotation arm 64A swings the release lever 58A by the reverse rotation to push the release lever portion 62A of the stopper means 57, release the stopper member 62 and flip up the flip-up member 60, and all the hooks 52. Forcibly bounce up and evacuate. 2-9, the main unit 4
The upper box transfer means 10 are located in front of the traveling machine body 9 in a pair on the left and right, and each box transfer means 10 is a roller type first moving means 6
8, the chain-type second moving means 69, the roller-type receiving means 70 and the divider 73 may be provided on the traveling machine body 9, but the chain-type second moving means 69 and the roller-type receiving means may be provided. The means 70 is supported by the support frame 5.

The power from one central motor 71 is transmitted to the roller shaft of the left and right first moving means 68 via the chain transmission means and is also transmitted to the left and right second moving means 69.
The second moving means 69 is provided with an engaging piece 72 on the chain and is configured to be hooked and pushed by the front and rear ends of the seedling box N, and the receiving means 70 is moved by the second moving means 69. We are receiving Box N.

The box delivery means 10 comprises the main unit 4
When the unfolding work unit 3A is mounted on, the seedling box N placed on the first moving means 68 is pushed by the second moving means 69 onto the vertical and horizontal transport mechanism 6A, and the collecting work unit 3B is mounted. In this case, the seedling box N sent by the vertical transport means 39 of the vertical / horizontal transport mechanism 6B is moved to a position above the first moving means 68 via the second moving means 69, and the seedling box N with the vertical / horizontal transport mechanisms 6A, 6B. To deliver.

From the second moving means 69 to the first moving means 6
When the seedling box N is moved to 8, the divider 73 located at the rear portion between the left and right second moving means 69 sets the left and right spacing of the seedling box N, and the seedling box N is set to the regular inside / outside receiving members 79A and 80A. Correct so that it is in the position. The box delivery means 10 is
It is also possible to form the first moving means 68 or the second moving means 69 to be long and to configure it alone, and the first moving means 68 and the second moving means 69 may be driven by separate motors. .

The box elevating mechanism 11 is shown in FIGS. 1 to 5, 8 and 9 and is arranged so as to straddle the first moving means 68 of the left and right box delivering means 10, and a total of four seedlings in front, rear, left and right. The boxes N can be moved up and down at intervals with an interval between them, and when the seedling boxes are unfolded, two front and rear seedling boxes N are supplied to each of the left and right first moving means 68, and when the seedling boxes are collected, the left and right first moving means 68. From seedling box N
The front and rear are picked up two by two and delivered to the box loading / unloading mechanism 12 arranged on the rear side.

The box raising / lowering mechanism 11 is a mechanism frame 76 fixed to the traveling machine body 9, and a box multi-stage raising / lowering unit which is supported by the mechanism frame 76 and which vertically raises / lowers each left and right seedling box N one step at a time. Means 77 and all seedling boxes N on this box multi-stage lifting means 77
And pusher means 78 for pushing back. The pusher means 78 is used only during the seedling box collecting operation, and may be detachable from the mechanism frame 76.

The box multi-stage lifting means 77 is a horizontally-arranged seedling box N.
It has a bilaterally symmetrical structure so that it can move up and down at the same time, and it can move up and down at the same time right and left simultaneously. The left and right structures have a pair of inner chain 79 and outer chain 80 at the front and rear, and are installed on the front and rear inner chain 79. The receiving member 79A and the receiving member 80A installed on the front and rear outer chains 80 receive the front and rear two-piece set N.

The receiving members 79A and 80A are made of an L-shaped angle member when viewed from the front, and can be moved down and transferred to the first moving means 68 while holding the seedling box N, and can be reversed. By doing so, the seedling box N on the first moving means 68 can be picked up while rising. Inner and outer chains 7
9 and 80 are hung on a sprocket supported by a mechanism frame 76, but an inner chain 79 is a box multistage lifting means 77.
Since there is little space to be wound in the center of the outer chain 80, as shown in FIG. 4, it is wound around the outer chain 80 while bypassing the idler sprocket 81.

The pusher means 78 has an actuator 82 such as a hydraulic cylinder supported by the mechanism frame 76, and a pushing member 83 provided on a cylinder rod or the like of the actuator 82, and the pushing member 8 is operated by the operation of the actuator 82.
3 can be pushed between the inside and outside receiving members 79A and 80A, and the seedling box N lifted from the first moving means 68 by the box multistage lifting means 77 at the time of recovery work is moved backward while maintaining the multistage state with a vertical gap. You can extrude all at once.

The box loading / unloading mechanism 12 arranged at the rear of the main unit 4 is substantially a mechanism dedicated to the unfolding work,
At the time of collection work, it plays a role of forming an arrangement space for the nursery shelf 85. However, the box loading / unloading mechanism 12 is used for the traveling machine body 9 during the unfolding work.
You may leave it. 1 to 3, 8, 9, 12 to
18, the box loading / unloading mechanism 12 has four columns 88 standing on a base 87 fixed to the traveling machine body 9 and front and rear columns 88.
The upper part is connected to form a support frame 86, and the support frame 86 is provided with a stack box separating device 91.
The stacked seedling box N placed on the receiving table 89 can be stored in the internal space.

The cradle 89 is used for transporting seedling boxes, and a horizontally oriented seedling box N is set on the front and rear of the pedestal 89 and a pair of left and right sets is placed on the pedestal 89. A total of four seedling boxes N in the front, rear, left and right are formed with a gap between the boxes so that a hanging nail 97 described later can be inserted therein. A guide column 88A is arranged in each of the four columns 88, and the holding frame 92 is guided by the guide columns 88A so as to be vertically movable. Chain lifting means 93 are provided on the left and right sides of the support frame 86, and the holding frame 92 is connected to the chain 93A of the chain lifting means 93, and the power from the motor 94 is transmitted through the transmission means 95. By driving and driving the chain 93A, the holding frame 92 can be raised and lowered in a horizontal posture.

The stacking box separating device 91 has a total of 4 front, rear, left and right.
From the holding frame 92 that moves up and down with respect to the stacked seedling boxes N, the claw holders 9 are provided corresponding to the left and right opposite sides of each seedling box N.
6 and hang it on the nail holder 96 via the shaft 99.
A pair of hanging claws 97 for hooking the left and right opposite sides of the is pivotally supported. The hooks 97 are projections at the front and rear ends of the seedling box N, which are peripheral edges N.
A can be hooked.

The pawl holder 96 is provided with a stopper 98 which restricts the hanging claw 97 from swinging downward from a substantially horizontal posture, and this stopper 98 constitutes a hanging pawl posture control means. In FIG. 17, when the hanging claw 97 descends from above with respect to the peripheral edge Na of the opposite side of the stacked uppermost seedling box N, it hits the peripheral edge Na and swings upward to escape (state b), and when rising from the bottom. The claw posture control means keeps a substantially horizontal posture and catches the peripheral edge Na (state c).

Further, an L-shaped receiving rail 100 in a front view having a length extending over the seedling box N of the front and rear sets is pivotally supported on the claw holder 96 through an L-shaped bracket 100a and a pivot 101. The contact arm 1 is attached to the bracket 100a.
02 is provided, and when it ascends, it abuts on the cam (actuating member) 103 provided on the support column 88, and the receiving rail 10
0 is oscillated upward from the position indicated by the dotted line in FIG. 16 to the position indicated by the solid line.

The cam 103 is provided on the right and left columns 88 and is not located in the center of the stacking box separating device 91. Therefore, the contact arm 102 is also on the left and right outer L-shaped bracket 100.
It is provided in a and is not on the center side, and therefore the left outer receiving rail 100 and the right inner receiving rail 100 are the right outer rail material 100 and the left inner receiving rail 100.
Each of them is connected by an interlocking rod 105, and the inner receiving rail 100 is interlocked with the outer receiving rail 100.

An operating member is formed by the contact arm 102 and the cam 103, and the operating member and the receiving rail 100 are formed.
And the like constitute the receiving means 104, and after the hanging claw 97 is engaged with the seedling box N and lifted, the contact arm 102 engages with the cam 103 and the receiving rail 100 swings when further raised. The receiving rail 100 receives the two seedling boxes N on the front and rear instead of the hook 97 (state d in FIG. 17).

On the holding frame 92, the receiving rail 100 is provided.
A pair of left and right pushing means 107 for pushing the two front and rear seedling boxes N received by the forward direction is provided. This pushing means 1
07 is a pusher plate 110 that winds a chain around the front and rear shafts 108 and 109 supported by the holding frame 92 via front and rear brackets, and abuts the rear peripheral edge Na of the seedling box N on the chain.
Is mounted and driven from the motor 111 on the holding frame 92 via the power transmission means 112.

The pushing means 107 pushes forward and backward two seedling boxes N on the receiving rail 100 at the same time in the forward direction, so that the inner and outer receiving members 79A, 80A located above the multistage box raising / lowering means 77 are pushed.
Reprinted to. As described above, the vertical and horizontal transport mechanisms 6A, 6B,
When the box transfer means 10, the box elevating mechanism 11, the box loading / unloading mechanism 12 and the like process the seedling boxes N as a set of two front and rear, the processing can be performed faster than when processing one by one.

The box loading / unloading mechanism 12 uses a hydraulic cylinder instead of the chain lifting means 93, or lifts the stacked seedling boxes N instead of lifting the holding frame 92.
The pushing means 107 may be formed of a hydraulic or pneumatic cylinder like the pusher means 78. Further, the actuating member may be formed by a pneumatic cylinder or a solenoid, and in that case, at any position above the stacked seedling box N, the rail 1 for receiving the seedling box N lifted by the hooks 97 may be provided.
00, and the pushing means 107 can push the box multistage lifting means 77.

During the recovery operation, the box loading / unloading mechanism 12 raises the stack box separating device 91 to the uppermost position,
The seedling raising shelf 85 is stored and mounted on the base 87 below it.
This seedling raising shelf 85 has receiving bars 85A which are substantially the same in number as the number of stages of the box multi-stage elevating means 77 and which face each other.
Front and rear and left and right total 4 pushed out from the box multistage lifting means 77 by 8
All the seedling boxes N are simultaneously received and taken out of the machine by a forklift or the like.

Next, when the seedling box ground processing machine 1 shown in the above embodiment is set in the main unit 4 so that the expansion work unit 3A can be used, the seedling box expansion machine A is expanded. The method will be described. 4 seedling boxes N in total
For example, a pedestal 89 that is placed in a stack of 30 layers
Is transported by a forklift and inserted into the box loading / unloading mechanism 12, and the seedling box deploying machine A is moved to the end of the deploying area in the house.

The chain raising / lowering means 93 of the box loading / unloading mechanism 12 is operated to move the stacked box separating device 91 to the front, rear, left, right 4
The seedling box N is picked up, and the seedling box N transferred to the receiving means 104 is pushed forward by the pushing means 107 to be supplied to the box lifting mechanism 11. The box raising / lowering mechanism 11 receives the seedling boxes N sequentially supplied from the box loading / unloading mechanism 12 by the receiving members 79A and 80A, intermittently lowers them, and moves the first moving means 6 at the lowest position.
Move to 8.

The first moving means 68 supplies the received seedling box N onto the vertical / horizontal conveying mechanism 6A via the second moving means 70. The seedling boxes N loaded in a set of two on the left and right are laterally moved in the horizontal direction by one lateral seedling box N by the lateral transporting means 25, and are sequentially pushed when the succeeding seedling boxes N enter and are transported vertically. Two
4 is loaded to the left and right ends. When the seedling boxes N are supplied to the entire left and right ends of the vertical transport means 24, the tilting mechanism 7 operates to tilt the vertical and horizontal transport mechanisms 6A forward and incline, and deposits them on the ground. It is slid down, and the drive roller 23 is driven to reliably transfer the rear seedling box N to the ground. This delivery is performed while the traveling machine body 9 is moving backward.

As a result, for example, five seedling boxes N are arranged on each side of the passage L. Next, the seedling box ground processing machine 1 is connected to the main unit 4 by the collecting work unit 3
A method for collecting seedling boxes in the case where B is set in a usable state and used as a seedling box collecting machine B will be described.

The traveling machine body 9 is moved forward with the vertical / horizontal conveying mechanism 6B in the downwardly inclined posture, the peripheral edges Na of the four seedling boxes N are horizontally aligned by the hooking tools 52 of the box picking mechanism 8, and the traveling machine body 9 is further advanced. Let me lift the rear end of the seedling box N,
It is transferred to the vertical and horizontal transport mechanism 6B. When the vertical transport means 39 is operated and the four seedling boxes N are moved rearward while the tilting mechanism 7 makes the vertical and horizontal transport mechanisms 6B substantially horizontal, the left two seedling boxes N are moved.
Moves to the rear end of the vertical transport means 39, whereas the right two seedling boxes N stop moving at a stopper 45 in the middle of the vertical transport means 39, and when the left and right horizontal transport means 40 are operated in that state, The left and right seedling boxes N are gathered together in the center, and a front and rear two-sheet set is made into a left and right pair.

Then, the vertical conveying means 39 is operated again to move the four seedling boxes N backward by the second moving means 69, and the divider 73 corrects the positions of the seedling boxes N to make them normal positions. It is sent to the first moving means 68 and supplied to the lower part of the box elevating mechanism 11. The box raising / lowering mechanism 11 is a seedling box N that has been brought in.
Are intermittently raised by the receiving members 79A and 80A, and are pushed backward by the pusher means 78 in a state where the seedling boxes N are contained in all stages.

A seedling raising shelf 85 is arranged in advance in the box loading / unloading mechanism 12, and seedling boxes N are provided on all receiving rails 85A of the seedling raising shelf 85.
To store. The nursery shelf 85 is lowered by a forklift and transported to a required position. The present invention is not limited to the above-mentioned embodiment, but can be modified in various ways. For example, the seedling box deploying machine A and the seedling box collecting machine B are configured such that a horizontally arranged seedling box N is set as a pair of front and rear, and a pair of right and left sets are combined to make a total of four sets for batch processing. However, the seedling box N may be vertically arranged, or the pair of left and right devices may be configured by only one.

[0068]

According to the present invention described in detail above, the carrying means can be removably engaged with the one supporting frame 5 and the tilting mechanism 7, and the carrying means can be replaced easily and easily. It becomes possible to transport the seedling box N in a floating posture. Further, the vertical transport means 24 can move a plurality of seedling boxes N in the left-right direction forward, and the lateral transport means 25 laterally moves one seedling box N by one to push the seedling box N next to it. Can move. Further, by vertically moving two seedling boxes N in the left-right direction by the vertical conveying means 39 and horizontally moving one seedling box N by one by the horizontal conveying means 40, the other nursery box N on the side is also moved horizontally. By moving the set seedling box N, a total of four front, rear, left, and right can be formed.

[Brief description of drawings]

FIG. 1 is a side view showing the whole seedling box ground processing machine of the present invention.

FIG. 2 is a side view of the whole seedling box developing machine.

FIG. 3 is a plan view of a seedling box expanding machine.

FIG. 4 is a front view of a seedling box expanding machine.

FIG. 5 is a plan view of a main part of the seedling box expanding machine.

FIG. 6 is a side view of a support frame and a tilting mechanism.

FIG. 7 is a plan view of a support frame and a conveyance frame.

FIG. 8 is a side view of the entire seedling box collecting machine.

FIG. 9 is a plan view of a seedling box collecting machine.

FIG. 10 is a side view of the box pick-up mechanism.

FIG. 11 is a front explanatory view of a box pick-up mechanism.

FIG. 12 is a rear view of the box loading / unloading mechanism.

FIG. 13 is an enlarged rear view of the main part of the box loading / unloading mechanism.

FIG. 14 is a plan view of the box loading / unloading mechanism.

FIG. 15 is a side view of the box loading / unloading mechanism.

FIG. 16 is a rear view of a main part of the stack box separating device.

FIG. 17 is an explanatory diagram of a stack box separating operation.

FIG. 18 is a rear view in which seedling raising shelves are arranged in the box loading / unloading mechanism.

[Explanation of symbols]

1 Seedling box deployment collection machine 3 work units 4 main unit 5 Support frame 6 Vertical and horizontal transport mechanism 7 Tilt mechanism 8 box picking mechanism 9 traveling aircraft 10 box delivery means 11 Box lifting mechanism 12 Box entry / exit mechanism 21 Transport frame 91 Stacking Box Separator A seedling box deployment machine B seedling box collection machine N seedling box

─────────────────────────────────────────────────── --Continued from the front page (56) References JP-A-5-316879 (JP, A) JP-A-7-107817 (JP, A) JP-A-7-67476 (JP, A) (58) Field (Int.Cl. ⁷ , DB name) A01G 9/00

Claims (4)

(57) [Claims] 1. A support frame is attached to a traveling machine body, and a carrier means for delivering the seedlings to the ground is supported on the carrier frame, and a rear portion of the carrier frame is swingably movable up and down on a front portion of the support frame. A seedling box ground processing machine, which is provided with a tilting mechanism which is freely engaged with the supporting frame and changes the attitude of the carrying frame between a substantially horizontal attitude and a floating attitude in which the front frame is lowered downward. 2. The tilting mechanism includes a tilting member which is supported by a supporting frame so as to be vertically swingable and which comes into contact with a conveying frame so as to come into contact with and separate from below, and an actuator which swings the tilting member in a conveying frame lifting direction. The seedling box ground processing machine according to claim 1, which has. 3. The carrying means comprises a vertical carrying means for placing a plurality of seedling boxes in the left-right direction and carrying them forward and backward, and a laterally carrying one seedling box on the vertical carrying means to the other side. The seedling box ground processing machine according to claim 1 or 2, further comprising: 4. The carrying means comprises a vertical carrying means for placing two nursery boxes in the left-right direction and carrying them forward and backward, and one of the two seedling boxes on the vertical carrying means to the other position. The seedling box ground processing machine according to claim 1 or 2, further comprising a lateral transporting means for laterally transporting by minutes.