JP3391641B2 - 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 collecting seedling boxes laid on the ground, for example.

[0002]

2. Description of the Related Art In seedling raising work for rice and vegetables, seedling boxes are sprouting after being germinated by arranging them in units of several hundreds to several thousand in a greenhouse for greening and / or hardening treatment. Techniques for mechanization have been developed in order to perform efficiently in the company. As a technique for laying and collecting seedling boxes, Japanese Patent Laid-Open No. 7-1
There is a seedling box collector / distributor disclosed in Japanese Patent Publication No. 07817. This technology uses a traveling device to move the machine forward and backward, a vehicle-mounted part on which the nursery box carrier is placed, the transfer of the nursery box from the ground to the machine and the transfer of the nursery box from the machine to the ground. Automatically transporting seedling boxes, loading the seedling boxes on the machine into the seedling box on the in-vehicle mount, and lowering the seedling boxes loaded in the seedling box on the on-board mount onto the machine A seedling box loading / unloading device that can selectively perform work is provided.

In this conventional seedling box collecting structure, the separating wire rod at the front end of the carrying frame of the seedling carrying device is made to go under the seedling box, and the seedling box separated from the ground is placed on the carrying belt on the front side. Then, after being transferred to the rear of the nursery box and transferred to the transfer belt of the seedling box unloading device, it is lifted by the elevator in the transfer belt and stored in the nursery box carriage.

[0004]

In the above-mentioned prior art, the laid seedling box is separated from the ground, but it is extremely difficult to make the separating wire material sneak into the underside of the seedling box. Moving the separating wire also causes the picking failure of the seedling box to easily occur. Also, two sets of seedling box transportation devices can be installed on the left and right to collect two seedling boxes at the same time, but there is no mechanism for laterally transporting the seedling boxes.
It is difficult to collect a large number of three or more seedling boxes at the same time, and it is difficult to improve efficiency.

By the way, although a divider can be used for picking up a seedling box, it is difficult to insert the divider between the ground and the seedling box even with a divider. It is extremely difficult to pick up at the same time because of unevenness of the ground. A first object of the present invention is to pick up a peripheral edge of a seedling box laid on the ground with a hook of a box picking mechanism and pick it up by a lifting means.
Also, a seedling box collecting machine is provided, which allows the seedling box to be easily and reliably delivered from the ground to the transporting means by inserting the transporting means below the picked up seedling box by horizontal moving means. It is in.

A second object of the present invention is to pick up a plurality of seedling boxes laid on the ground in a horizontal row and one row by hooking the periphery with a hook of a box picking mechanism and raising the elevating means. Insert the transportation means below the box by horizontal movement means,
The seedling boxes can be easily and reliably delivered to the transport means. Furthermore, seedling boxes can be transported from the front transport mechanism to the vertical / horizontal transport mechanism, from the vertical / horizontal transport mechanism to the delivery mechanism one by one, and from the delivery mechanism to the box collection mechanism. It is to provide a seedling box collecting machine capable of automatically collecting in multiple stages efficiently.

A third object of the present invention is to position the seedling box so that it is parallel to the seedling box when it comes into contact with the seedling box, even if the seedling box and the latch are not parallel to each other when collecting the seedling box. It is an object of the present invention to provide a seedling box collecting machine that has been modified so that the hanging claw can be reliably hooked on the periphery. A fourth object of the present invention is to detect the presence of the seedling box by detecting the backward movement of the nail mounting body with the seedling box detection sensor when the latch is moved forward to bring the hanging nail into contact with the seedling box N. It is to provide a seedling box collecting machine that can accurately detect the position.

A fifth object of the present invention is to release the hook from the peripheral edge without interfering with the conveying means even when the conveying means is inclined rearward and upward when the seedling box is transferred from the hooking means to the conveying means. The purpose is to provide a seedling box collection machine that enables smooth operation. A sixth object of the present invention is to enable the latch to move slightly up and down and to move back and forth, so that the latch of the seedling box and the release of the latch after being transferred to the transporting means can be precisely and accurately performed. To provide a seedling box collection machine.

A seventh object of the present invention is to hook a large number of seedling boxes on the ground in the left-right direction with hooks corresponding to the seedling boxes,
It is an object of the present invention to provide a seedling box collecting machine in which all of the seedling boxes can be efficiently transferred to the transfer means by lifting all of them at the same time by the elevating means. An eighth object of the present invention is to provide a seedling box collecting machine in which the carrier can be horizontally moved in the front-rear direction while guiding the support arm by the support rail.

[0010]

A first concrete means for solving the problems in the present invention is a box pick-up mechanism 17 for picking up the work traveling machine body A2 by hooking the peripheral edge Na of the above-ground seedling box N, and this. Pre-conveyance mechanism 6 that receives the seedling box N from the box pick-up mechanism 17 and conveys it to the work traveling machine body A2
The box pick-up mechanism 17 includes a hook 22 that hooks the peripheral edge Na of the seedling box N from below, and an elevating means 62 that moves the hook 22 up and down. Is to have a conveying means 18 for receiving and moving the seedling box N, and a horizontal moving means 10 for inserting the conveying means 18 into the lower side of the raised seedling box N so as to be insertable and removable.

As a result, the seedling box N laid on the ground is picked up by the peripheral edge Na by the hook 22 of the box picking mechanism 17 and the lifting means 62 is lifted and picked up.
When the transporting means 18 is inserted by the horizontal moving means 10 below the picked-up seedling box N, it is delivered to the transporting means 18 and collected. The second specific means for solving the problem in the present invention is a box pick-up mechanism 17 for picking up and picking up the peripheral edges Na of a large number of seedling boxes N on the ground on the work traveling machine body A2, and a box pick-up mechanism 17 From the front transport mechanism 6 that receives and moves all the seedling boxes N from the same, and a large number of seedling boxes N in the left-right direction can be moved in the front-back direction with respect to the front transport mechanism 6 and can be delivered at the same time. A vertical / horizontal transport mechanism 5 for laterally moving between the transfer position and a base position midway in the left / right direction, and a transfer mechanism 7 for moving the seedling box N between the base position and a position on the rear side thereof are provided. The box pick-up mechanism 17 has a hook 22 that hooks the peripheral edge Na of the seedling box N from below, and an elevating means 62 that raises and lowers the hook 22. The front transport mechanism 6 receives the seedling box N. The moving transporting means 18 and this transport A working device A provided between the step 18 and the working traveling body A2 and having a horizontal moving means 10 for horizontally moving the conveying means 18 to the lower side of the box pick-up mechanism 17 in the front-rear direction; A box collecting mechanism 9 for supplying seedling boxes N one by one from the delivery mechanism 7 and collecting the seedling boxes N in a multi-tiered manner is provided on the collecting traveling machine C2 connected to 15 from the box collecting mechanism 9 to the multi-stage seedling box N
And a box collecting device C provided with a box multi-stage storage mechanism 19 for feeding and storing.

As a result, the horizontal 1 laid on the ground
The seedling box N having a large number of rows is provided with a hook 22 of the box picking mechanism 17.
The peripheral edge Na is hooked by and the elevating means 62 is lifted and picked up, and the conveying means 18 is inserted by the horizontal moving means 10 below the picked-up seedling box N and transferred to the conveying means 18. The rearward movement and the rearward movement of the vertical / horizontal transport mechanism 5 deliver the seedling box N to the delivery position on the vertical / horizontal transport mechanism 5, and the lateral movement of the vertical / horizontal transport mechanism 5 moves the seedling box N from the delivery position to a laterally lateral side base point position. Then, the sheets are conveyed one by one from the base position to the box collection mechanism 9 via the delivery mechanism 7 and automatically stored in a multistage state, and the collection is completed.

The third concrete means for solving the problems in the present invention is, in addition to the first or second concrete means, supported by a mounting base 69 on the side of the elevating means 62 so as to be movable up and down. On the stand 69, a hook 22 having a hook claw 153 for hooking the peripheral edge Na of the seedling box N from below is supported swingably left and right via a vertical axis 147, and the hook 22 is swung to a neutral position. That is, the elastic receiving body 148 for elastically holding is provided.

Thus, even if the seedling box N and the hook 22 are not parallel, when the hook 22 comes into contact with the seedling box N,
It swings left and right around the vertical axis 147 against the elastic receiver 148, the posture is changed so as to be parallel to the seedling box N, and the hanging claw 153 is reliably hooked on the peripheral edge Na. The fourth concrete means for solving the problems in the present invention is the first
Alternatively, in addition to the specific means of 2, the mounting table 69 is supported on the side of the elevating means 62 so that the mounting table 69 can be moved up and down.
It has a hook mounting body 150 provided at the front end with a hook 153 for hooking a from below, and supports this hook mounting body 150 in a forward and backward movable state with respect to the mounting base 69, and the mounting base 69. That is, a seedling box detection sensor 154 for detecting the backward movement of the nail attachment body 150 is provided.

As a result, when the hook 22 is moved forward, the claw attachment 150 is moved backward against the bias when the hanging claw 153 abuts on the seedling box N, which is then detected by the seedling box detection sensor 154. Therefore, the existence and position of the seedling box N can be accurately detected. The fifth concrete means for solving the problems in the present invention is, in addition to any one of the first to fourth concrete means, between the elevating means 62 and the hook 22 and the hook 2.
The tilting means for tilting the hook 22 forward and downward when raising 2 is provided.

As a result, from the hook 22 to the conveying means 1
When transferring the seedling box N to the container 8, even when the carrier 18 is inclined rearward and upward, when the hook 22 is lowered, the carrier 18
It does not interfere with and the latching is smoothly released from the peripheral edge Na. The sixth concrete means for solving the problems in the present invention is, in addition to any one of the first to fifth concrete means, a hooking tool 22 provided between the elevating means 62 and the hooking tool 22. The vertical movement means 67 for moving up and down and the forward and backward movement means 68 for moving back and forth are provided.

As a result, the hook 22 is slightly moved up and down and back and forth to hook the seedling box N and release the hook after the seedling box N has been transferred to the conveying means 18. The seventh concrete means for solving the problems in the present invention is, in addition to the first or second concrete means, the box pick-up mechanism 17 is a work traveling machine body A2.
A front frame 56 protruding forward from the front is provided with an elevating means 62, and the elevating means 62 supports an elevating table 61 so as to be able to elevate and lower. That is, they are arranged corresponding to a large number of seedling boxes N in the left-right direction.

As a result, a large number of seedling boxes N on the left and right on the ground are hooked by the hooks 22 corresponding to the seedling boxes N, respectively.
All of them are simultaneously lifted by the elevating means 62 and efficiently transferred to the conveying means 18. Eighth concrete means for solving the problems in the present invention is, in addition to the first or second concrete means, the horizontal moving means 10 is provided with a support rail 126 in the front-rear direction on the work traveling machine body A2. Support rail 1
A support arm 1 in which a transport means 18 is supported and connected to a front portion of the support arm 26.
The base of 27 is supported so as to be movable back and forth, and the support arm 127
The actuator 128 for moving the support arm 127 is provided between the work traveling machine body A2 and the work traveling machine body A2.

As a result, the horizontal moving means 10 is constructed in a simple and robust manner, and the support rail 126 supports the support arm 12.
While guiding 7, the conveying means 18 is horizontally moved in the front-rear direction.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. As the seedling box collecting machine, a seedling box laying and collecting machine that can be changed to a seedling box laying machine is illustrated, and the seedling box laying function will be also described below. 1 to 5 show the whole seedling box laying and collecting machine. This seedling box laying and collecting machine forms a sidewalk in the center and has 4 left and right 8 pieces in total (8 left and right each).
16 seedlings or other number of seedlings) may be laid side by side and simultaneously collected.

The seedling box laying and collecting machine is composed of three devices, which are a work device A, a box feeding device B and a box collecting device C which can be connected and separated, and by connecting the box feeding device B to the working device A It becomes a box laying machine (shown in FIG. 4), and by connecting the box collecting apparatus C to the working apparatus A, it becomes a seedling box collecting machine (shown in FIG. 5) of the present invention, and the working apparatus A alone can be placed on it. A seedling box laying machine and a seedling box collecting machine for laying and collecting a number of seedling boxes N can be provided.

1 to 22, the working device A is roughly divided into a seedling box N placed and distribution from the base point position in the central portion in the left-right direction to left and right transfer positions and collection from the left and right transfer position to the base point position. And a vertical / horizontal transfer mechanism 5 that can move back and forth at a transfer position, and can transfer the seedling box N to the vertical / horizontal transfer mechanism 5 and can transfer the placed seedling box N to the ground. A front-rear transport mechanism 6, and a delivery mechanism 7 capable of moving the seedling box N from the rear position to the base position of the vertical and horizontal transport mechanism 5 and moving the seedling box N from the base position to the rear position,
Box aligning means 16 for pushing forward the seedling box N discharged to the ground to close the front-rear space, and a peripheral edge Na of the seedling box N laid on the ground.
And a box pick-up mechanism 17 for picking up and lifting up on the front and rear transport mechanism 6, and these are mounted on the work traveling machine body A2.

1, 4 to 7, the working traveling machine body A2
Supports a machine body 31 on a traveling platform 29 so as to be rotatable about a rotation axis 30, and mounts a drive source 28 such as an electric motor or an engine, a hydraulic pump, an air compressor, an operation panel, etc. on the rear portion of the machine body 31. The left and right crawler traveling parts 32 arranged on the left and right of the traveling platform 29 are driven by hydraulic motors, and can be independently traveled and steered, and are controlled by radio control. You may do it. The machine body 31 has a plate-shaped base 31A rotatably supported by the traveling base 29 and a horizontally long frame-shaped base frame 31B fixed on the plate-shaped base 31A. 28, base frame 31B, etc.) is a crawler traveling unit 32.
It is arranged so that it does not protrude significantly from the rear end.

The vertical / horizontal conveying mechanism 5 is arranged on the base frame 31B, and is arranged at the central base point position to provide one seedling box N.
A central feeding part 5C that can be placed on the left and right sides and can be received from the left and right, and four seedling boxes N can be placed side by side and located on the left and right sides of the central feeding part 5C and can be fed centrally. It has a section 5C, a front-rear transport mechanism 6, and left and right side feed sections 5L, 5R for delivering the seedling box N.

As shown in FIGS. 6 to 13, the vertical / horizontal conveying mechanism 5 includes a large number of slat plates (plate members) 3 having a U-shaped cross section.
3 are arranged in parallel, both ends of the slat plate 33 are connected endlessly by a pair of chains 34, and a plurality of roller rollers 35 are attached to each slat plate 33 at an angle of about 45 degrees with respect to the moving (front-back) direction of the slat plate 33. It has a conveyor structure in which it is attached via a shaft having an inclination angle of (other inclination angle is also possible), the chain 34 can be driven via a sprocket and a motor, and the roller roller 35 can be moved in a circle. . Central feeding part 5C and left and right feeding parts 5L,
The 5R conveyor structures can be moved back and forth independently.

Further, the vertical / horizontal conveying mechanism 5 includes a central feeding section 5C.
It has a middle stopper 42, a left stopper 43, a right stopper 44, and left and right outer end walls, which are arranged in front and rear and left and right of, and before and after the left and right side feeding parts 5L, 5R. It is possible to regulate the movement in the front-rear direction or the left-right direction, and the movement regulation allows the seedling box N placed together with the conveyor structure to be moved in the left-right direction or the front-rear direction.

That is, the slat plate 3 of the conveyor structure section
When 3 moves back and forth, the seedling box N placed on it also moves in the same direction, but there is a stopper that restricts the movement on the front side in the movement direction, and the seedling box N abuts on the stopper on the front side in the movement direction. Then, the repulsive force is transmitted to the roller roller 35 having an inclined axis, and the seedling box N is moved in a direction (lateral direction) orthogonal to the moving direction of the slat plate 33.

The central rollers 5C and the left roller 5L have roller shafts 35 in the conveyor structure which are inclined in the same direction, and the right roller 5R is inclined in the opposite direction. As a result, when the seedling box N is delivered to the front-rear transport mechanism 6, the left and right feeding parts 5L, 5R can be moved in the same direction, and the number of times the conveyor structure part is reversed is reduced.

The above-mentioned stoppers are arranged in the central feeding section 5C in the front-rear direction and in the left-right direction, and in the left-right side feeding sections 5L, 5R in the front-rear direction. The outer wall of the left-right side feeding sections 5L, 5R also moves the seedling box N. It is a stopper to regulate. Central feeding section 5C
The roller 50 between the left and right side feeding portions 5L and 5R is a delivery guide roller. The middle front stopper 42F for the central feeding portion 5C and the left and right rear stoppers 43B, 44B for the left and right feeding portions 5L, 5R are formed by wall plates fixed to the mechanism frame 41 of the vertical / horizontal transport mechanism 5, and the stopper working position. It is fixed to. Middle rear stopper 42 for central feeding section 5C
B and the left and right front stoppers 43F and 44F are the air cylinder 4
6 and so forth to rise from the lower retracted position to the working position, and the middle left and right stoppers 42L and 42R are
Air cylinder 4 supported by a support frame 47 fixed in the center of
By 8 etc., it descends from the upper retracted position to the working position. That is, the middle rear stopper 42B and the middle left and right stoppers 4
2L, 42R and left and right front stoppers 43F, 44F are shutters that can be raised and lowered so that the seedling box N can pass through in the retracted position.

Middle front stopper 42F, middle left and right stoppers 42
With the L and 42R arranged in the operating position, the central feeding portion 5
The conveyor structure of C is moved in the forward direction (the direction of arrow 45 in FIGS. 8 and 10) to move the seedling box N in the forward direction to abut the middle front stopper 42F, and then the middle rear stopper 42B is acted. Position and the middle right stopper 42R is set to the retracted position, and the conveyor structure portion of the central feeding portion 5C is moved backward (direction opposite to the arrow 45 direction in FIGS. 8 and 10), and the seedling box N is moved to the middle. The rear stopper 42B is brought into contact with it to move it to the right, and the right feed portion 5R is moved forward while being brought into contact with the right front stopper 44F to be moved to the right. When this is repeated four times, four seedling boxes N are arrayed in the entire area of the right side feeding portion 5R.

Middle front stopper 42F, middle left and right stoppers 42
With the L and 42R arranged in the operating position, the central feeding portion 5
The conveyor structure of C is moved forward, the seedling box N is moved forward and brought into contact with the center front stopper 42F, and then the center left stopper 42L is retracted and passed to the left side feeder 5L, and the left side By the forward movement of the feeding portion 5L, the left movement is continued while contacting the left front stopper 43F. When this is repeated four times, four seedling boxes N are arranged in the entire area of the left-side feeding portion 5L.

Each of the four seedling boxes N on the left and right has a left and right feeding section 5L,
When the left front stopper 43F and the right front stopper 44F are retracted downward from the operating position and the left and right side feed parts 5L, 5R are moved forward at the same time in a state where the left front stopper 43F and the right front stopper 44F are dispersedly arranged at the delivery position of the 5R, the eight seedling boxes N are At the same time, it is moved forward from the vertical / horizontal transport mechanism 5 and supplied to the front / rear transport mechanism 6. On the contrary, after moving the conveyor structure parts of the left and right side feeding parts 5L, 5R rearward to simultaneously receive the eight seedling boxes N from the front-rear transport mechanism 6, the front left stopper 43F, the center rear stopper 42B, the center right The stopper 42R and the front right stopper 44F are advanced to the working position, and the seedling box N at the second position from the center side of the left feeding portion 5L is pressed against the left front stopper 43F by the left stop 49L formed by an electromagnetic solenoid or the like. The left side feeding section 5L and the central feeding section 5C in that state.
The conveyor structure part is moved to move the seedling boxes N one by one to the central feeding part 5C, and from the central feeding part 5C to the rear position.

At this time, the left feeding section 5L and the central feeding section 5C are moved backward so that the seedling box N on the left feeding section 5L and the central feeding section 5C is moved to the left rear stopper 43B, the middle rear stopper 42B and the middle right stopper 42R.
It is moved to and collected by the central feeding unit 5C via the, and the middle rear stopper 42B is retracted and then moved backward by the central feeding unit 5C. For the seedling box N on the right side feeding section 5R, the right side feeding section 5R is moved backward, the central feeding section 5C is moved forward, and the seedling box N on it is moved to the right rear stopper 44B and the middle left stopper 42L.
And, it moves to the central feeding part 5C via the front and center stopper 42F and acts on the right stopper 49R to convey and collect one by one to the central feeding part 5C while stopping the subsequent seedling box N,
The center rear stopper 42B is retracted downward, and the central feeding portion 5C
To move the seedling box N backward.

On the mechanism frame 41 of the vertical / horizontal transport mechanism 5, a large number of detection sensors such as photoelectric sensors or microswitches are provided at required positions for detecting the seedling box N. Movable stoppers such as the conveyor structure part, the middle rear stopper 42B, the middle left and right stoppers 42L and 42R, the left and right front stoppers 43F and 44F, and the left and right stoppers are detected by detecting the loading and unloading of the seedling box N into the feeding parts 5L and 5R. 49L, 49R, etc. are operated appropriately.

Further, the conveyor structure of the vertical / horizontal conveying mechanism 5 has a central feeding portion 5C in which the axis of the roller roller 35 is inclined.
And the right side feed section 5R in the same direction, or the full feed section 5R
C, 5L and 5R may be in the same direction, and seedling box N
For loading and unloading, either of the left and right feeding units 5L and 5R may be carried out first. 5 to 8 and 14 to 18, the front-rear transport mechanism (front transport mechanism) 6 includes a front-rear transport means (transport means) 18 formed of a belt conveyor (or a conveyor such as a chain, a wheel, or a roller) and a front-rear transport means. Carrier 1
It has horizontal moving means 10 for horizontally moving 8 in the front-rear direction, and elevating means 11 for changing the front-rear conveying means 18 from the state in which the conveying surface is inclined forward and downward to the horizontal posture, and the horizontal moving means 10 and the elevating means. The left and right sets 11 are provided on the base frame 31B of the machine body 31 below the left and right side feed portions 5L and 5R, and the box alignment means 16 is arranged in front of the front-rear transportation means 18.

In each of the left and right conveying means 18, four sets of belt conveyors 38 are supported by a support frame 37, and a motor 39 and a rotary shaft 3 provided on the side surface of the support frame 37.
Simultaneously driven by 6, six seedling boxes N can be placed at the same time and transported in the front-back direction. A grounding wheel 51 is provided on the side of the left and right support frames 37 in front of the motor 39, and a bracket 40 is provided on the front of the support frame 37 so as to correspond to each belt conveyor 38. The bracket 40 moves forward of the belt conveyor 38. An abutment tool 23, which supports the pulley and is formed of a roller, is rotatably supported.

The abutment tool 23 is positioned on the extension of the belt conveyor 38 and close to the ground.
6 is configured to push forward the seedling box N on the ground in forward movement to align the front-rear position, and the front-rear distance from the seedling box N already laid can be eliminated. It is designed to be able to reduce the drop when discharging. The abutment tool 23 is not grounded because it has the grounding wheel 51, but it may be grounded, or may be a bar member or a plate member fixed to the support frame 37 instead of the roller.

Reference numeral 127 denotes a pair of left and right support arms that support the support frames 37 of the left and right front-rear transporting means 18, and are pivotally supported so that the rear side of the front and rear center of the support frame 37 can be vertically swung via a horizontal shaft 129 at the front end. Then, the receiving arm 130 loosely fitted to the horizontal shaft 129 can be brought into contact with substantially the center of the support frame 37 in the front-rear direction, and the posture of the receiving arm 130 is controlled by the posture changing tool 125. The posture is changed and held as required.

The rear upper end of the support arm 127 has a rotating shaft 131.
The rotary shaft 131 is rotatably supported by a moving frame 132 via bearings, and the moving frame 132 is mounted on the left and right support rails 126 fixed to the base frame 31B of the machine body 31 via wheels. It is supported so that it can move back and forth. The support arm 127 can be formed of a linear member, but is formed of a plate member having a rear portion standing up and having a substantially L shape in a side view.
This prevents the front-rear conveying means 18 from interfering with the rear part of the front-rear conveying means 18 when the supporting arm 127 rotates downward, so that the front-rear conveying means 1 does not interfere with the machine body 31 when rotating upward.
This is because the vertical / horizontal transport mechanism 5 can be arranged at a sufficiently high position so that the robot 8 can be lifted sufficiently.

A pneumatic or hydraulic horizontal actuator 128 is provided on the lower side of each of the left and right side portions of the base frame 31B, and the piston rod of the horizontal actuator 128 is connected to the moving frame 132. The horizontal movement means 10 is configured to horizontally move the front-rear transportation means 18 in the front-rear direction by the operation of the actuator 128.

Further, the moving frame 132 is provided with an elevating actuator 133.
The piston rod 33 is an arm 1 fixed to the rotary shaft 131.
It is connected to 34. The bracket 135 is projected from the moving frame 132 to fix the sprocket 136 at a position concentric with the rotating shaft 131, and the sprocket 137 is attached to the horizontal shaft 129.
Is loosely fitted and fixed to the receiving arm 130, the idle sprocket 138 is supported at two places in the middle of the support arm 127, and the chain 139 is wound around these sprockets 136, 137, 138, etc. The tool 125 is configured, and the attitude changing tool 125, the lifting actuator 133, the rotating shaft 131, and the like configure the lifting means 11.

The elevating means 11 operates the elevating actuator 133 to move the supporting arm 12 via the rotating shaft 131.
By rotating 7 upward, the front-rear conveying means 18 is lifted up to substantially the same height as the vertical / horizontal conveying mechanism 5 at the upper position, and in synchronization with this, the position where the chain 139 is wound around the sprocket 136 of the posture changing tool 125 is changed. As a result, the sprocket 137 rotates and the receiving arm 130 rotates downward and bends with respect to the support arm 127, changing the front-rear transporting unit 18 from the front downward position to the substantially horizontal position.

By reversely operating the elevating actuator 133, on the contrary, the front-rear transfer means 18 can transfer the seedling box N to the ground from a substantially horizontal posture raised position where the seedling box N can be transferred to the vertical and horizontal transfer mechanism 5. The posture is changed while moving to the front downward position. The posture changing tool 125
Does not need to be provided with two idle sprocket 138 as long as the chain 139 does not interfere with the front-rear conveying means 18.
A pneumatic or hydraulic cylinder or other actuator (oscillating means) may be provided between the support arm 127 and the receiving arm 130. If the actuator is an air cylinder or the like, the support arm 127 is similar to the above. By rotating the receiving arm 130 in synchronism with the raising and lowering of the support arm 127, the posture of the front-rear conveying means 18 can be changed, and the front-rear conveying means 18 can be moved forward or downward when the support arm 127 is raised or lowered. It is also possible to change from to a substantially horizontal posture or vice versa.

The front-rear transport means 18 comprises a support arm 127.
Although it is pivotally supported on the receiving arm 130, it is only supported by the receiving arm 130, and when the grounding wheel 51 is grounded in the forward and downward posture, it can move up and down following the unevenness of the ground. As shown in FIGS. 6 to 8, the delivery mechanism 7 is located behind the central base point position of the vertical and horizontal transport mechanism 5, and moves the seedling box N in the front-back direction between the central feeding portion 5C and the position behind it. It can be transported to.

The delivery mechanism 7 is formed of, for example, a roller conveyor having a plurality of rotation rollers having a built-in motor, and the front portion of the frame 142 thereof has a horizontal axis with respect to the machine body 31 or the mechanism frame 41 of the vertical / horizontal transport mechanism 5. Pivot 14
It is connected so as to be rotatable around 3 and the box feeding mechanism 8 is at the rear part.
Also, it can be placed on the box collecting mechanism 9 and connected.
1 to 7 and 19 to 23, the box pick-up mechanism 17 is provided on the front frame 56 projecting forward from the left and right side portions of the base frame 31B of the machine body 31, four sets each on the left and right, for a total of eight sets.
The front frame 56 has an L shape in a side view and a U shape in a plan view,
Both left and right ends are pivotally connected to the machine body 31 via support pins 57, and both triangular brackets 58 are integrally fixed by bolt connection, and the front frame 56 is moved upward by unfastening the bolts. It is foldable and can be removed.

Wheels 52 for supporting the weight of the front frame 56 are provided on the left and right sides of the front frame 56, and a front end sensor 53B such as a photoelectric sensor is attached via a bracket 53A protruding downward in the front direction. . The front end sensor 53B detects the growing seedlings of the seedling box N at the time of collection, detects the presence of the seedling box N, and determines the stop position of the working device A.

In the box pick-up mechanism 17, four guide rails (guide bodies) 60 are fixed on the left and right sides of the front portion of the front frame 56, and a lifting cylinder (lifting means) 62 with a brake is supported. The two guide rods 59 are guided so as to be vertically movable, and the two guide rods 5 are provided.
An elevating table 61 is attached to the lower end of 9, and a piston rod of an elevating cylinder 62 is connected to elevate the elevating table 61.

The lifting table 61 has an L-shaped connecting member 63 in a side view.
Is fixed, and a middle part of a rocking tool 64 having an L-shape in a side view is pivotally supported by a lower portion of the connecting tool 63, and a vertical cylinder (vertical moving means) 67 is attached to the rocking tool 64. At the same time, the roller 65 engaged with the guide rail 60
Is provided. The guide rail 60 is bent rearward in the vicinity of the lower portion, and when the roller 65 passes through the bent portion 60A, the swing tool 64 swings to change the posture of the vertical cylinder 67.

The guide rail 60, the connecting member 63, the rocking member 64, the roller 65, and the like constitute tilting means for tilting the hooking member 22 described later forward and downward. A longitudinal cylinder (a longitudinal movement means) 68 is attached to the lower part of the piston rod of the vertical cylinder 67, and a mounting base 69 is attached to the front portion of the piston rod of the longitudinal cylinder 68. Two guide rods 70 and 71 are fixed to the forward-backward movement cylinder 68 and the mounting base 69, respectively, and each of the guide rods 70 and 71 is a member for holding the vertical cylinder 67 and the forward-backward movement cylinder 68. It is guided to move freely.

The mounting base 69 is provided with side plates 72 having a substantially triangular shape on the left and right sides. The side plates 72 are provided with small wheels in the front and rear and large wheels 73A, 73B, 73C in the center, and these wheels 73A, 73B, 73C. The grounding is performed with a low grounding pressure to maintain the position and posture of the hanging claw described later with respect to the ground. A support member 145 in the shape of a square member is supported by the mounting base 69, and a back plate 146 is provided behind the support member 145.
Is attached. The support 145 is attached to the mounting base 69 by screwing a nut on the vertical axis 147 at the center in the left-right direction, and can swing slightly left and right about the vertical axis 147. The elastic receivers 148 are elastically held at the swing neutral position (posture along the left-right direction).

The support 145 has two support rods 149.
Is penetrated in the front-rear direction, a pawl attachment body 150 is attached to the front end of the support rod 149, and is biased forward by a spring 151 fitted to the support rod 149. A tool bar 152 is provided on the claw mount 150, and a pair of left and right hooks 153 is mounted on the tool bar 152 so that the left and right positions can be adjusted. Left and right hooks 1
Reference numeral 53 denotes a shape in which a front end of the seedling box N serves as a downward flange of the peripheral edge Na, and a plurality of 53 are provided so that the ribs on the back side of the downward flange can be avoided and engaged.

The support 145, the support rod 149, the claw attachment 150, the spring 151, the tool bar 152, the hanging claw 153 and the like together constitute a hook 22. The hook 22 attaches the hook 153. It is also possible to directly attach it to the stand 69 or the support 145. In addition, instead of the hook 153 or the hook 22, the abutment tool 23
It is also possible to use the box pick-up mechanism 17 as the box aligning means 16 by attaching.

154 is the mounting plate 69 on the mounting base 69.
5 is a seedling box detection sensor provided via 5, and when the hook claw 153 comes into contact with the seedling box N and the claw mounting body 150 moves rearward against the spring 151, it is detected and the seedling box is detected. The presence of N is detected. The front and rear positions of the seedling box detection sensor 154 can be adjusted by rotating the mounting plate 155.

The box pick-up mechanism 17 of this embodiment is
The working device A is moved forward, the seedling box N is detected by the front end sensor 53B and stopped at the work start position, the lifting platform 61 is lowered to the lower limit position of the lifting cylinder 62, and the vertical cylinder 67 is lowered by its own weight to stop the hook. 22 to lower the wheels 7 of each hook 22
3 is independently grounded to the ground, and the forward / backward moving cylinder 68 is operated to project while the wheels 73 are grounded, or the forward / backward moving cylinder 68 is set to the projecting operation state and the work traveling machine body 2A is moved forward again. The hook claw 153 at the front end of the hook 22 comes into contact with the laid seedling box N, the nail mounting body 150 elastically moves rearward against the spring 151, and the seedling box detection sensor 154 detects it. Then, the projecting operation of the forward / backward movement cylinder 68 or the forward movement of the traveling machine body 2A is stopped (state of FIG. 20).

At this time, even if the front and rear positions of the laid seedling box N are not right and left, they are absorbed by the front and rear movement of the claw mount 150 via the spring 151.
Even if the seedling box N is tilted, it is absorbed by the support body 145 swinging left and right through the vertical axis 147 and the pair of left and right elastic receivers 148, and the pair of hooks 153 properly contact the seedling box N together. Contact. When the seedling box detection sensor 154 detects the seedling box N, the vertical cylinder 67 is slightly moved upward, and the pair of hooks 153 are hooked from the lower side to the downward flange of the peripheral edge Na.

Then, the vertical cylinder 67 is actuated to raise the latch 22 a little, so that all the hooks 153 engage the peripheral edge Na of the seedling box N, and the lift cylinder 62 is actuated to actuate the seedling box N. Lift the back of the. At this time, since the roller 65 enters the bent portion 60A of the guide rail 60, the connector 6
3 swings while rising, and the front-rear movement cylinder 68 and the hook 22 are inclined forward and downward substantially along the upper surface of the front-rear conveying means 18.

Next, the front-rear conveying means 18 is moved to the horizontal moving means 1.
When 0, the vertical cylinder 67 is inserted and moved so as to scoop down to the bottom of all the hooks 22 (the state of FIG. 22), and the vertical cylinder 67 is placed on the front-rear transporting means 18 so as to scoop the rear half of the seedling box N. The lowering operation is performed, the whole seedling box N is placed on the front-rear transport mechanism 6, and the engagement between the hanging claw 153 and the peripheral edge Na of the seedling box N is released. It moves backward substantially along the upper surface of the transporting means 18, and is moved away from the seedling box N and the lifting cylinder 62 is operated to raise it (state of FIG. 23).

In the box pick-up mechanism 17, the elevating cylinder 62 is moved up and down to move the vertical cylinder 67 up and down, and the work traveling machine body 2A is moved and the front and rear transport means 18 is moved forward and backward to move the forward and backward moving cylinder 68 forward and backward. Because you can
A large number of hooks 22 may be attached to the lifting table 61 or the rocker 64 so that the vertical cylinder 67 and the forward / backward moving cylinder 68 may be omitted, and the forward / backward moving cylinder 68 may be used to support the support rod 149 and the spring 151. The front-rear movement cylinder 68 may be provided with a seedling box detection sensor 154 to detect the backward movement of the mounting table 69 when the hanging claw 153 contacts the seedling box N. Further, instead of the guide rail 60 of the tilting means, the connecting tool 63 and the rocking tool 6 are used.
A cylinder for rocking the rocking tool 64 may be provided between the cylinder and the rocker 4. Further, in order to make the wheel 73 follow the unevenness of the ground, a mounting base 69 is attached to the piston rod of the front-rear movement cylinder 68 so as to be swingable around the front-rear axis.
It is preferable that the left and right sides of 2 can be slightly swung up and down.

The box feeder B is shown in FIGS.
As shown in FIG. 3, the seedling boxes N are stored in a stacked state and are received on the box feeding mechanism 8 that can feed the seedling boxes N to the delivery mechanism 7 one by one and on the stackable box receiving body 14. A stacked seedling box supply mechanism 12 for supplying the stacked seedling boxes N from the box support 14 to the box supply mechanism 8 and a supply traveling machine body B2 for mounting and supporting these.

The supply traveling machine body B2 has a main body 76 equipped with a drive source 75 such as an electric motor, a hydraulic pump, an air compressor, an operation panel, etc., and the left and right crawler traveling sections 77 are driven by the hydraulic motor. It can be run and steered independently. Further, the supply traveling machine body B2 is detachable from the work traveling machine body A2 via the connecting device 87 and the electric system connecting cord, and is connected to the work traveling machine body A2 to integrally travel.
Be operated.

The connecting device 87 has a hook-shaped connecting member 87A provided at the rear portion of the work traveling machine body A2 and a connecting pin 87B provided at the front portion of the supply traveling machine body B2, and the connecting pin 87B.
Is movable up and down with respect to the supply traveling body B2,
The work traveling machine body A2 and the supply traveling machine body B2 are bent while following the unevenness of the ground in a connected state. The box supply mechanism 8 includes a transport conveyor means 54B formed of a wheel conveyor, a roller conveyor, or the like, a box holding means 79 provided on a frame frame 78 arranged across the transport conveyor means 54B, and a transport conveyor. Lifting means 80 for moving up and down to a position where the seedling box N on the means 54B is held by the box holding means 79.

The frame frame 78 is open on the rear side and, for example, seedling boxes N stacked in 30 stages can be inserted from the rear side while being placed on the transport conveyor means 54B. The box holding means 79 has a pair of left and right plate-shaped holding tools 81 supported by the frame frame 78, and a retracting means 82 for moving the left and right holding tools 81 in and out of the frame frame 78.

The left and right holders 81 can receive the peripheral edge Na of the seedling box N, and the seedling box N1 is transferred from the transport conveyor means 54B.
The stacked seedling box N can be held at a height apart from the number of sheets, and the stacked seedling box N that is held can be opened by retracting by the retracting means 82. The retracting means 82 is a means for axially moving a screw shaft having a holder 81 attached to the tip thereof with a motor, and may be constituted by an air cylinder or the like.

The lift means 80 is a conveyer means 54B.
And a lift table 83 located below the vehicle and capable of protruding upward from between the wheels of the transfer conveyor means 54B.
3 and a lift drive device 84 for moving up and down. The lift table 83 is guided to be lifted and lowered by the machine body 76, and the lift driving device 84 drives the cam plate 85, which is in contact with the cam follower on the lower surface of the lift table 83, with a motor or the like to lift and lower the lift table 83. Has become. The lift drive device 84 may be composed of a hydraulic cylinder or the like.

The lift means 80 retreats the left and right holders 81, and lifts the stacked seedling box N carried into the frame 78 by the transport conveyor means 54B.
Is operated to raise the lift table 83 to lift and lower the second seedling box N from the bottom when holding it.
27 (29 in the state of FIG. 27), and the lift table 83 is lowered below the transfer conveyor means 54B to put the seedling box N at the lowermost position on the transfer conveyor means 54B again to the front. Transport.

Next, when the lift table 83 is raised, the stacked seedling box N received by the holder 81 is lifted, and when descending, the holder 81 is retracted once to move the bottom seedling box N. When the holder 81 is moved downward, the second seedling box N from the bottom is received by the advance of the holder 81. The layered seedling box supply mechanism 12 has a lateral movement mechanism 97 on which the box holder 14 is placed and which can move laterally, and a layered seedling that feeds the laminated seedling box N forward from the box holder 14 on the lateral movement mechanism 97. And box feeding means 92.

The box holder 14 is a pallet that can be inserted with a fork and is used in the greening process.
It is formed so that stacks can be placed in five rows in the left-right direction. The box holder 14 may be a frame that can be carried by a forklift or a vehicle with wheels. Lateral movement mechanism 9
7, a large number of wheels 90 in the left-right direction are provided on the front and rear parts of a frame 89 fixed to the upper surface of the rear part of the machine body 76.
A mounting movable table 91 having front and rear rail bodies that engage with 0 is arranged so as to be movable in the left-right direction, and is mounted on the machine body 76 or the frame 8
A drive means 158 for driving the mounting movement table 91 is provided on the table 9.

The driving means 158 is constructed such that a chain 159 is wound around a sprocket supported by a frame 89, the chain 159 is connected to a mounting movable base 91, and an electric motor 160 drives the sprocket. Without moving the means 158, the mounting movable base 91 having the front and rear rail bodies is pulled by the chain 159 to be moved. As shown in FIG. 28, a positioning member 100 is provided on the upper surface of the mounting / moving base 91 for holding the mounted box receiving body 14 at appropriate positions in the front-rear direction and the left-right direction.

From the box holder 14 to the conveyer means 54
The feeding of the stacked seedling box N to B is performed by the stacked seedling box feeding means 92 arranged inside the frame 89. The stacked seedling box feeding means 92 supports a belt conveyor 95 driven by a motor 94 on an elevating table 93, and the elevating table 93 is moved up and down by the elevating means 96. The elevating means 96 is an elevating table 93.
The rod fixed to is vertically driven by an electric motor via a rack and pinion.

The drive means 158 and the elevating means 96 are
Although an electric motor is used, it may be configured to operate with a pneumatic cylinder or a hydraulic cylinder 98. The box holder 14 can mount five sets of stacked seedling boxes N, and a window 14A through which the belt conveyor 95 can be exposed is formed corresponding to each seedling box mounting position. Means 92
27. When the raising / lowering table 93 is raised by the raising / lowering means 96 from the state shown by the solid line in FIG. 27, the belt conveyor 95 is raised from the window 14A to lift the stacked seedling box N (two-dot chain line in FIG. 27, FIG.
The solid seedling box N can be sent to the front by driving in the solid line state) and in the lifted state.
Can be transferred to.

Since the lateral movement mechanism 97 balances the left and right when supplying the stacked seedling boxes N, the stacked seedling boxes N on the box holder 14 are taken out from the end in the order of 5, 3, 1, 2, 4. Has become. Further, since the mounting movable table 91 largely overhangs from the machine body 76 to the left and right, a grounding wheel 99 is provided on the left and right rear portions of the machine body 76 via the support arms 98 for lateral support. A caster wheel is used as the grounding wheel 99, and the support arm 98 can change its posture from the outwardly projecting posture to the rearward direction, so that the rear portion can be supported when the box feeder B is independently moved. ing.

The box collecting device C is shown in FIGS. 5, 30 and 31, and is provided with a box collecting mechanism 9 which receives the seedling boxes N one by one from the delivery mechanism 7 and collects the seedling boxes N vertically and in multiple stages. A box multi-stage storage mechanism 19 for feeding and storing the multi-stage seedling boxes N into the stackable box collection frame 15 from the box collection mechanism 9, and a collection traveling machine body C2 for mounting and supporting them.

The collecting traveling machine body C2 has a machine body 101 on which a drive source 106 such as an electric motor, a hydraulic pump, an air compressor, an operation panel and the like are mounted, and the left and right crawler traveling units 102 are driven by the hydraulic motor. , Traveling alone
It is steerable. Further, the collecting traveling body C2 is connected to the connecting device 8
It is detachably attached to the work traveling machine body A2 via 7, and is integrally driven and operated by being connected to the work traveling machine body A2.

The box collection mechanism 9 is supported by the conveyor frame 54C formed by a wheel conveyor, a roller conveyor or the like, a frame frame 103 extending across the conveyor conveyor 54C, and the frame frame 103. 1 seedling box N with growing seedlings on the transport conveyor means 54C
Box multi-stage lifting means 104 that lifts at intervals with one by one
And pusher means 105 for pushing all the seedling boxes N on the box multistage lifting means 104 backward.

The box multistage lifting means 104 is a frame 1
A plurality of front and rear chains 109 are wound around the vertical shafts 107 and 108 supported by 03, and the front and rear chains 109 are provided with seedling boxes N.
The supporting metal fittings 110 for supporting the side portions of the carrier are attached at regular intervals, and these are opposed to each other on the left and right, and the transport conveyor means 5 is provided.
The seedling boxes N are configured to be lifted by the left and right support brackets 110 from above 4C, and the seedling boxes N can be collected in, for example, 30 stages at intervals in the vertical direction.

The pusher means 105 is a frame 1
03 has a pusher body 112 that comes into contact with all the seedling boxes N collected by the box multistage lifting means 104, and left and right air cylinders 113 that move the pusher body 112 back and forth. , Pusher body 11
2 from the front of the seedling box N between the left and right support brackets 110,
The multi-stage seedling box N can be pushed out to the rear of the frame 103.

The box multi-stage storage mechanism 19 includes a box holder 14
The box collection frame body 15 placed on the box collection frame body 15 and the lateral movement mechanism 97 for moving these in the left-right direction. The box collection frame body 15 is mounted on the box support body 14 and is transported by a forklift or the like.
It has the receiving pieces 114 arranged in steps, and the receiving pieces 114 are arranged in five rows in the left-right direction to form the collecting sections 15a in five rows. Each collecting section 15a can insert the multi-stage seedling box N from the front side thereof, and stores the multi-stage seedling box N pushed out from the box collecting mechanism 9 by the pusher means 105 with a vertical interval.

The box holder 14 and the lateral movement mechanism 97 for placing the box holder 14 and moving the box holder 14 in the left-right direction are substantially the same as the box supply mechanism 8 shown in FIG. A large number of wheels 90 in the left-right direction are provided on the front and rear portions of a frame 89 fixed to the mounting frame 91, and a mounting movable table 91 having front and rear rail bodies that engage with the wheels 90 is movably arranged in the left-right direction. 89 Mounted on the moving base 91
A driving means (not shown) for driving the is provided.

The driving means, the placement moving base 91, the lateral movement mechanism 97, the grounding wheel and the like are the same as those of the stacked seedling box feeding mechanism 12 of the box feeding mechanism 8, and the raising / lowering means is not provided, and the box collecting frame 15 is provided. The lateral movement order of the lateral movement mechanism 97 for collecting the seedling boxes N into the collecting units 15a in the left-right direction of 5 rows is 5 from the end.
It is numbered 3, 1, 2, and 4. Next, a seedling box laying method in the case where the seedling box transporting and processing machine shown in the above embodiment is used as a seedling box laying machine will be described.

The work device A and the box supply device B are separately moved and connected in the house, and the box support 14 on which a large number of germinated seedling boxes N are placed is transported by the lift vehicle and placed. Mobile stand 9
Place on top of 1. The layered seedling box feeding means 92 of the layered seedling box supply mechanism 12 is operated to transfer the layered seedling box N on the box holder 14 to the transfer conveyor means 54B and supply it into the box supply mechanism 8. The 5-row laminated seedling boxes N are supplied from the center side of the box holder 14 so that the box holder 14 is moved left and right through the lateral movement mechanism 97 so as not to lose the left-right balance. Are sequentially supplied.

The laminated seedling box N that has entered the box feeding mechanism 8 is held by the box holding means 79 via the lifting means 80, taken out sequentially from the seedling box N in the lower stage onto the conveyer conveyor means 54B, and is conveyed by the conveyer conveyor means 54B. Supply to the delivery mechanism 7. With the delivery mechanism 7, the central feeding portion 5 of the vertical and horizontal transport mechanism 5 is moved from the rear position.
Transport to C. In the vertical and horizontal transport mechanism 5, the center left and right stoppers 4
2L and 42R are in the working position, and the conveyor structure part of the central feeding part 5C moves forward, so that the seedling box N delivered from the delivery mechanism 7 is brought into contact with the middle front stopper 42F, and then the middle rear stopper 42B. Is projected to the operating position, the middle right stopper 42R is retracted, the conveyor structure of the central feeding unit 5C is moved backward and the conveyor structure of the right feeding unit 5R is moved forward, so that the seedling box N is moved to the middle rear stopper. 42B
And the right front feed section 5R while guiding with the front right stopper 44F
Distribute and convey to the upper delivery position.

When four seedling boxes N have been supplied onto the right feeding section 5R, the middle right stopper 42R is placed in the working position and the middle left stopper 42R is placed in the retracted position, and the central feeding section 5C and the left feeding section 5L are conveyed. The structure part is moved forward and the left side feed part 5
4 seedling boxes N are transported to the delivery position on L. 8 seedling boxes N, 4 seedling boxes N each on the left and right feeding parts 5L, 5L
When the preparations are prepared, the left and right feeding parts 5L, 5L and the front-rear transporting means 18 of the front-rear transporting mechanism 6 are simultaneously moved forward to move the whole seedling box N forward from the vertical-horizontal transporting mechanism 5, and the forward-backward transporting in the raised horizontal position. Deliver on means 18.

Then, the elevating means 11 is operated to tilt the forward / backward conveying means 18 downward from the ascending horizontal position to the front downward inclined position, and when the downward front downward inclined position is reached, the working device A is moved backward and forward. The means 18 is moved forward to discharge the whole seedling box N to the ground, and the backward movement of the work device A is stopped while the front-rear transport means 18 is separated from the discharged seedling box N by a predetermined distance.

After that, the horizontal moving means 10 is operated to move the front-rear conveying means 18 horizontally forward, and the abutting tool 23 of the box aligning means 16 arranged at the front thereof is brought into contact with the discharged whole seedling box N. Push forward until it comes into contact with the preceding laying seedling box N, align the front and rear positions of all seedling boxes N, and close the front and rear seedling box intervals. After the horizontal moving means 10 is reversely operated to retreat the front and rear conveying means 18, or while the backward and forward conveying means 18 is moved backward, the elevating means 11 is reversely operated,
The front-rear transportation means 18 is returned to the raised horizontal position where the seedling box N can be transferred from the vertical and horizontal transportation mechanism 5, and the above process is repeated again.

A sidewalk having a width approximately corresponding to the width of the central feeding portion 5C is formed between the four seedling boxes N on the left and right.
When the seedling box laying machine moves to the end in the house, the box feeding device B is separated from the working device A, and the seedling boxes N remaining on the vertical and horizontal transport mechanism 5 and the front-back transport means 18 of the working device A are separated. Is laid only by the working device A, and then the working device A is turned around to be moved to another house or laying area, and the box supply device B is reconnected after the movement.

When a new seedling box N is laid parallel to the side of the existing seedling box N, the working device A moves laterally and then moves to the front end in the house. At that time, the working machine A2 When the machine body 31 is turned in the opposite direction with respect to the traveling platform 29 in synchronization with the direction of the traveling platform 29 being changed by driving the left and right crawler traveling units 32 to the left and right, the machine body 31 and the vertical and horizontal directions above it. With respect to the transport mechanism 5 and the front-rear transport mechanism 6, only the traveling platform 29 is changed in direction without changing the direction, and the transport mechanism 5 and the front-rear transport mechanism 6 can move at right angles to the laying direction of the seedling box N. Even if it is long, the space for moving between laying areas can be reduced.

When the entrance of the house is narrow, the machine main body 31 is turned 90 degrees with respect to the traveling platform 29 to change the horizontal direction of the vertical / horizontal transfer mechanism 5 and the front / rear transfer mechanism 6 to the front / rear direction.
The working device A is narrowed in width so that it can pass through the entrance.
Next, a description will be given of a seedling box collecting method in the case where the seedling box transporting / processing machine shown in the above embodiment is used as a seedling box collecting machine.

Only the working device A is moved to the end of the laying area in the house, and the box picking mechanism 17 is opposed to the laid 8 seedling boxes N in the horizontal row. Advance until detected. At this time or after this, the front-rear conveying means 18 is made to stand by at the front downward tilt position, the box pick-up mechanism 17 is operated, and the hook claw 153 of the hook 22 is moved to the seedling box N.
The work traveling machine body A2 is advanced in this state, and the hanging claw 153 of the hanging tool 22 is brought into contact with the seedling box N to stop the movement of the working machine body A2. At this time, instead of advancing the work traveling machine body A2, the hanging claw 153 may be projected by the forward / backward movement cylinder 68.

After the hook 22 detects the seedling box N, the vertical cylinder 67 raises the hook 22 to hook the hook claw 153 on the peripheral edge Na of the seedling box N from below, and the lifting cylinder 62.
While lifting the rear side of the seedling box N, the hook 22 is inclined forward and downward, and the front-rear conveying means 18 of the front-rear conveying mechanism 6 is inserted under the lifted seedling box N by the forward movement operation of the horizontal moving means 10. , The rear surface of the seedling box N is scooped so as to rest on the tip of the front-rear transporting means 18.

From this state, the vertical cylinder 67 is operated to lower the hanging claw 153 while keeping the front downward inclination, and the seedling box N is transferred to the front-rear transfer means 18, and the front-rear moving cylinder 68 is further moved backward and the elevating cylinder 62 or The vertical cylinder 67 is moved upward to move the hook 153 to the peripheral edge N of the seedling box N.
Then, the front-rear transporting means 18 is moved backward so that the seedling box N is completely placed on the front-rear transporting means 18.

The front and rear transportation means 18 on which all the seedling boxes N are placed are
After moving backward by the backward movement of the horizontal moving means 10 or at the same time, the elevating means 11 is actuated to be lifted from the front downward tilt position to the elevated horizontal position, and the seedling box N having the same height as the vertical / horizontal transport mechanism 5.
Move to a position where you can hand over. When the front-rear transport means 18 reaches the elevated horizontal position, the front-rear transport means 18 and the conveyor structure portions of the left and right side feed portions 5L, 5R of the vertical-horizontal transport mechanism 5 move backward, and the left-right front stoppers 43B in the retracted position,
After passing over 44B, the seedling box N on the front-rear transporting means 18 is transferred onto the left and right feeding parts 5L, 5R.

To carry out the seedling box N from the left side feeding section 5L,
Left and right front stoppers 43F, 44F and middle right rear stopper 42
R and 42B are arranged in the working position, and the second seedling box N from the side of the central feeding section 5C is stopped by the left stopper 49L, and in that state, the left side feeding section 5L and the central feeding section 5C are moved backward, The first seedling box N on the feeding section 5C side is moved onto the central feeding section 5C while being guided by the left rear stopper 43B and the middle rear stopper 42B, and the middle rear stopper 42B is retracted,
It is transferred from the central feeding section 5C to the transfer mechanism 7 and moved to the rear position.

When the first seedling box N is transferred from the central feeding section 5C to the delivery mechanism 7, the left stop 49L is once released and the remaining seedling boxes N are conveyed to the central feeding section 5C side.
After being transported by the box, the left stop 49L is actuated again to stop the third seedling box N. By repeating this, each box is sequentially fed to the central feeding unit 5C, and is moved to the rear position by the delivery mechanism 7.

The carrying out of the seedling box N from the right side feeding section 5L is substantially the same as the case of the left side feeding section 5L, but the middle left rear stoppers 42L and 42B are arranged at the working position, and the right stop 49.
Stop the second seedling box N from the central feeding section 5C side with L,
In that state, the right side feeding unit 5R is moved backward, the central feeding unit 5C is moved forward, and the first seedling box N on the central feeding unit 5C side is moved.
Is guided by the right rear stopper 44B and the middle front stopper 42F, and is moved onto the central feeding portion 5C.
B is retracted, the central feeding section 5C and the delivery mechanism 7 are moved backward, the seedling box N is delivered from the central feeding section 5C to the delivery mechanism 7, and further onto the transport conveyor means 54C of the box collecting device C at the rear position. Moving.

In the box collecting apparatus 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 multistage lifting means 104 of the box collecting mechanism 9 and moved up and down. Collected in multiple stages at intervals. When a predetermined number of seedling boxes N are stored in the box multistage lifting means 104, the pusher means 105 is activated to push all the seedling boxes N backward at the same time, and the box collection frame body 15 on the box multistage storage mechanism 19 is pushed.
Store inside. Box collection frame 15 via lateral movement mechanism 97
When the multistage seedling boxes N are stored in the collecting sections 15a of the five rows of the box collecting frame body 15 by changing the position of the box collecting frame body 15 to the left and right, the box collecting frame body 15 is mounted on the box receiving body 14 and the lift vehicle is used. The empty box collection frame body 15 and the box support body 14 are placed instead.

From the front / rear transport means 18 to the vertical / horizontal transport mechanism 5.
After the seedling boxes N have been delivered to the front-rear transport means 18, the front-rear transporting means 18 descends via the elevating means 11 to perform an operation for collecting the next laid seedling box N, and the laying seedling boxes N in one or two rows are collected. When collected, the box collecting device C is connected to the work device A. However, in the above-mentioned seedling box transfer processing machine, when the inside of the house is sufficiently large, both the seedling box laying machine and the seedling box collecting machine connect the working device A and the box feeding device B or the box collecting device C from the beginning. You can leave it.

In the seedling box transfer processor, the working device A, the box feeding device B, and the box collecting device C are independently configured to be independently movable, and can be operated from the operation panel mounted on each of them. By this, wireless control is also possible, and an aerial cable or a buried cable is installed in the house, and a sensor provided in the work device A is configured to enable automatic straight line traveling while sensing the cable. ing.

Therefore, when changing the laying area / collecting area of the seedling box N and when entering and exiting the house, the working device A and the box feeding device B or the box collecting device C are individually radio-controlled, but in a connected state. Then, the electric power supplied to either the work device A and the box supply device B or the box collection device C is applied to the other to drive the other synchronously, and the traveling and work operations are performed by the operation command received by either one. It is controlled.

The present invention is not limited to the above embodiment, but can be variously modified. For example,
The number of seedling boxes N collected at one time by the seedling box collecting machine may be set to a large number other than four with the central sidewalk interposed therebetween. In that case, the length of the vertical / horizontal conveying mechanism 5 and the front / rear conveying means may be set. The number of sets of 18 and the number of hooks 22 of the box pick-up mechanism 17 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 is 30 stages, but
It is preferable to set a multiple of the number depending on the number of seedling boxes N to be collected at one time. The vertical / horizontal transport mechanism 5 is the central feeding section 5.
The feeding section corresponding to C and one of the left and right side feeding sections may be formed so that the seedling box N delivered from the front-rear transport mechanism 6 is collected only on one side.

Cylinders 46, 48, 6 provided in each mechanism
2, 67, 68, 113 and actuators 128, 1
33 or the like may be either a hydraulic cylinder or an air cylinder, or other mechanical drive means. When many air cylinders are used, an air tank is arranged on the support frame 47. The seedling box collecting machine uses electric motors as drive sources 28 and 106 so that it can be used in the house, but when used outdoors, an engine may be used as a drive source.
Wheels may be used instead of the crawler traveling units 32 and 102.

A box collecting device C having no drive source and no crawler traveling part may be detachably connected to the rear part of the work device A, or the box collecting mechanism 9 may be mounted on the work traveling machine body A2. .

[0103]

According to the first aspect of the present invention described in detail above, the seedling box N laid on the ground is used as the box picking mechanism 1
The peripheral edge Na is hooked by the hooking tool 22 of No. 7 and elevating means 62.
Can be picked up by the rise of the seedling box N picked up
By inserting the transporting means 18 by means of the horizontal moving means 10 below, the seedling boxes N can be easily and reliably delivered to the transporting means 18 and collected.

According to the second aspect, a plurality of seedling boxes N laid on the ground in a horizontal row are picked up by hooking the peripheral edge Na with the hook 22 of the box picking mechanism 17 and raising the elevating means 62. By inserting the conveying means 18 with the horizontal moving means 10 below the picked-up seedling box N,
The seedling box N can be easily and reliably delivered to the transport means 18, and the seedling box N is delivered to the delivery position on the vertical and horizontal transport mechanism 5 by the rearward movement by the transport means 18 and the backward movement of the vertical and horizontal transport mechanism 5, and By moving the vertical / horizontal transfer mechanism 5 laterally, the transfer position is moved to a base position on the left and right sides, and from the base position, one by one is transferred to the box collection mechanism 9 via the transfer mechanism 7 and automatically stored in a multistage state. The seedling box N can be efficiently collected.

According to claim 3, the seedling box N is collected when the seedling box N is collected.
Even if the hook 22 and the hook 22 are not parallel, the hook 22 is the seedling box N.
When it comes into contact with, the latch 22 swings left and right around the vertical axis 147 against the elastic receiver 148, and the posture can be changed so as to be parallel to the seedling box N. It can be reliably hooked on Na. According to claim 4, when the hook 22 is moved forward to bring the hanging claw 153 into contact with the seedling box N, the claw mounting body 150 is moved backward against the bias and the seedling box detection sensor is used. Since it is detected at 154, the existence and position of the seedling box N can be accurately detected.

According to the fifth aspect, when the seedling box N is transferred from the hook 22 to the conveying means 18, even if the conveying means 18 is inclined rearward and upward, the conveying means 18 is lowered when the hook 22 is lowered. It can be smoothly released from the peripheral edge Na without interfering with. According to the sixth aspect, the hook 22 can be moved up and down and back and forth slightly, so that the seedling box N can be hooked and conveyed.
It is possible to precisely and accurately release the hook after the handing over.

According to the seventh aspect, a large number of seedling boxes N on the right and left on the ground can be hooked by the corresponding hooks 22 and all of them can be lifted simultaneously by the elevating means 62, and the seedling boxes N can be lifted. It can be efficiently delivered to the conveying means 18.
According to the eighth aspect, the horizontal moving means 10 can be configured simply and robustly, and the conveying means 18 can be horizontally moved in the front-rear direction while guiding the support arm 127 by the support rail 126.

[Brief description of drawings]

FIG. 1 is a side view showing a separated state of a seedling box laying and collecting machine including an embodiment of a seedling box collecting machine of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of a work device.

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

FIG. 5 is an overall side view of the seedling box collecting machine.

FIG. 6 is an overall plan view of a work device.

FIG. 7 is a side view of the same.

FIG. 8 is a plan view of a main part of the work device.

9 is a cross-sectional view taken along line XX of FIG.

10 is a cross-sectional view taken along line YY of FIG.

11 is a sectional view taken along line ZZ of FIG.

FIG. 12 is an enlarged plan view of a vertical / horizontal transport mechanism.

13 is a cross-sectional view taken along the line WW of FIG.

FIG. 14 is a plan view of a front-rear conveying means and a box aligning means of the front-rear conveying mechanism.

FIG. 15 is a sectional side view of the front-rear transport mechanism.

FIG. 16 is a sectional side view showing the horizontal movement of the front-rear transport means.

FIG. 17 is a plan view showing horizontal moving means and elevating means of the front-back transport mechanism.

FIG. 18 is a cross-sectional view taken along the line SS of FIG.

FIG. 19 is a front view of the box pick-up mechanism.

FIG. 20 is a cross-sectional side view of the lower part of the box pick-up mechanism showing the box picking operation when hooking.

FIG. 21 is a plan view of the lower part of the box pick-up mechanism.

FIG. 22 is a side view for explaining a box picking operation.

FIG. 23 is a side view for explaining the operation of picking up a box when the seedling box is delivered.

FIG. 24 is a side view of the box supply device.

FIG. 25 is a plan view of the same.

FIG. 26 is a rear view of the same.

FIG. 27 is a sectional side view of the same.

FIG. 28 is a rear view of the same section.

FIG. 29 is a sectional front view of the box holding means and the lift drive device of the box supply device.

FIG. 30 is a sectional side view of the box collection device.

FIG. 31 is a sectional front view of the box collection mechanism.

[Explanation of symbols]

2 traveling aircraft 5 Vertical and horizontal transport mechanism 6 Front-rear transport mechanism (front transport mechanism) 7 Delivery mechanism 8 box supply mechanism 9 box collection mechanism 10 Horizontal movement means 11 lifting means 14 Box holder 15 box collection frame 16 Box alignment means 17 Box picking mechanism 18 Front-rear transport means (transport means) 22 Hook A working device C box collector N seedling box Na peripheral edge

─────────────────────────────────────────────────── ─── Continuation of front page (56) Reference JP-A-7-67477 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) A01G 9/00 A01C 11/00

Claims (8)

(57) [Claims] 1. A box picking mechanism (17) for picking up a work traveling machine (A2) by hooking a peripheral edge (Na) of a seedling box (N) on the ground, and a seedling box (N) from this box picking mechanism (17). And a front transport mechanism (6) for receiving and transporting the seeds onto the work traveling machine body (A2), and the box picking mechanism (17) hooks the periphery (Na) of the seedling box (N) from below. A transfer means (1) having a tool (22) and an elevating means (62) for elevating and lowering the hanging tool (22), and the front transfer mechanism (6) receives and moves the seedling box (N).
8) and a seedling box (N) obtained by pulling up the transport means (18)
And a horizontal moving means (10) for inserting and removing the seedling box to the lower side of the seedling box. 2. A box picking mechanism (17) for picking up by picking up a peripheral edge (Na) of a large number of seedling boxes (N) on the ground on the work traveling machine body (A2), and from the box picking mechanism (17). A front transport mechanism (6) that receives and moves all seedling boxes (N) and a large number of seedling boxes (N) in the left-right direction relative to this front transport mechanism (6) can be moved in the front-rear direction and handed over at the same time. There is also a vertical / horizontal transport mechanism (5) for laterally moving the seedling box (N) between the transfer position and the base point position midway in the left-right direction, and the seedling box (between the base point position and the position behind it) And a delivery mechanism (7) for moving the seedling box (N), and the box picking mechanism (17) is a peripheral edge (Na) of the seedling box (N).
It has a hook (22) for hooking the hook from below and an elevating means (62) for moving the hook (22) up and down, and the front transfer mechanism (6) receives the seedling box (N) and moves. A horizontal movement which is provided between the transporting means (18) and the transporting means (18) and the working traveling body (A2) and horizontally moves the transporting means (18) to the lower side of the box pickup mechanism (17) in the front-rear direction. A working device (A) having means (10);
One seedling box (N) is transferred from the delivery mechanism (7) onto the collecting traveling body (C2) which is detachably connected to the working traveling body (A2).
A box collecting mechanism (9) is provided to collect the seedling boxes (N) in a multi-stage manner by supplying them one by one, and the stackable box collecting frame (15) is provided with a multi-stage seedling box from the box collecting mechanism (9). (N)
And a box collecting device (C) provided with a box multi-stage storing mechanism (19) for feeding and storing the seedlings. 3. A mounting base (69) is supported on the side of said elevating means (62) so as to be movable up and down.
In 9), a latch (22) having a hook (153) at the front end for hooking the peripheral edge (Na) of the seedling box (N) from below is supported swingably from side to side through the vertical axis (147). ,
The seedling box collecting machine according to claim 1 or 2, further comprising an elastic receiver (148) that elastically holds the latch (22) in a swinging neutral position. 4. A mounting base (69) is supported on the side of said elevating means (62) so as to be movable up and down.
9) is provided with a hook (22), and the hook (22) hooks a peripheral edge (Na) of the seedling box (N) from below.
53) has a claw mount (150) provided at the front end,
A seedling box that supports the claw mount (150) so that it can be moved back and forth with respect to the mount (69) and is biased forward, and detects rearward movement of the claw mount (150) on the mount (69). The seedling box collecting machine according to claim 1 or 2, further comprising a detection sensor (154). 5. The elevating means (62) and the latch (22).
5. The seedling according to any one of claims 1 to 4, characterized in that tilting means for tilting the hook (22) forward and downward when the hook (22) is raised is provided between the seedling and the hook. Box recovery machine. 6. The elevating means (62) and a latch (22).
And a vertical movement means (6) for vertically moving the latch (22).
7. The seedling box collecting machine according to any one of claims 1 to 5, further comprising: 7) and a back-and-forth moving means (68) for moving back and forth. 7. The box pick-up mechanism (17) is provided with an elevating means (62) on a front frame (56) projecting forward from the work traveling machine body (A2), and an elevating table (61) is provided on the elevating means (62). ) Is supported so that it can be raised and lowered freely.
3. The nursery box collection according to claim 1 or 2, wherein a plurality of left and right latches (22) are supported on the ground and arranged so as to correspond to the plurality of left and right nursery boxes (N) on the ground, respectively. Machine. 8. The horizontal moving means (10) is provided with a support rail (126) in the front-rear direction on the work traveling machine body (A2), and the carrying means (18) is supported and connected to the front part of the support rail (126). An actuator (128) for supporting the base of the support arm (127) so as to be movable back and forth and moving the support arm (127) between the support arm (127) and the work traveling machine body (A2) is provided. The seedling box collecting machine according to claim 1 or 2.