JPH10127173A - Nursery box conveyance processing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a nursery box conveyance processing machine which simplifies the structure, can simultaneously convey a lot of nursery boxes and improves operation and workability by providing a longitudinal conveying mechanism with a longitudinal conveying means or the like longitudinally movable while loading the nursery boxes. SOLUTION: This machine has a longitudinal conveying mechanism 6 held on a working traveling machine body A2 and made longitudinally movable while loading nursery boxes N so as to simultaneously transfer a lot of nursery boxes N in the lateral direction to the surface of the ground and a longitudinal/lateral conveying mechanism 5 arranged on the working traveling machine body A2 so as to simultaneously transfer a lot of nursery boxes N in the lateral direction to the longitudinal conveying mechanism 6 while moving back and forth and to laterally move the nursery boxes between a transfer position and an origin position of the side of lateral direction, and the longitudinal conveying mechanism 6 has a longitudinal conveying means 18 longitudinally movable while loading the nursery boxes N and a lifting means 11 installed between this means 18 and the working traveling machine body A2 so as to lift the longitudinal conveying means 18 from a position proximate to the surface of the ground to the almost same height as the high-order longitudinal/lateral conveying mechanism 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling box transfer processor for carrying out a transfer process for laying or collecting many seedling boxes on the ground at the same time.

[0002]

2. Description of the Related Art In the raising of rice and vegetables, after germination, seedling boxes are lined up in a house in hundreds to thousands to perform greening and / or hardening treatment. Technology for mechanization has been developed for efficient operation within the system. Techniques for laying and collecting seedling boxes are disclosed in
There is one disclosed in Japanese Patent Application Laid-Open No. 07817. This technology selects a traveling device that moves the aircraft forward and backward, a vehicle-mounted unit that places a seedling cart, a transport of seedling boxes from the ground to the aircraft, and a transport of seedling boxes from the aircraft to the ground. The seedling box transport device that can be carried out, the operation of loading the seedling box on the body into the seedling box cart on the platform mounting part, and the lowering of the seedling box loaded in the seedling box cart on the platform mounting part The apparatus is provided with a seedling box loading / unloading device capable of selectively performing an operation.

[0003] The front transfer belt of the seedling box transport device is disposed in a forward downward inclined position from the front side of the rear transfer belt in the seedling box unloading device to the ground, and transfers the ground and the seedling boxes in the forward downward inclined position. Then, it rotates around the rear side to a horizontal posture to transfer the rear transfer belt and the seedling box.

[0004]

In the above prior art, two sets of right and left seedling box transfer devices can be provided to simultaneously lay and collect two seedling boxes. Therefore, it is difficult to lay and collect three or more seedling boxes at the same time, and it is difficult to improve efficiency.

[0005] Also, since the front transfer belt does not move up and down,
The rear transfer belt on the fuselage must be formed long from front to back to the ground and steeply inclined, making the overall length of the device longer and making it difficult to transfer seedling boxes N to the ground smoothly. ing. A first object of the present invention is to provide a back-and-forth transport mechanism for simultaneously transferring a large number of seedling boxes in the left-right direction to the ground, and to simultaneously transfer the seedling boxes back and forth with respect to the fore-and-aft transport mechanism and transfer the seedling boxes. And a vertical and horizontal transport mechanism that moves horizontally between the base position on the left and right sides,
By arranging the front and rear conveyance means of the front and rear conveyance mechanism to move up and down, for laying work, collection work, etc., it is possible to simultaneously process a large number of seedling boxes, and to shorten the front and rear length of the front and rear conveyance means. It is an object of the present invention to provide a seedling box transfer processing machine capable of smoothly transferring a seedling box to the ground and to the vertical and horizontal transfer mechanisms.

A second object of the present invention is to provide a working device for simultaneously transporting a plurality of seedling boxes back and forth and ascending and descending to carry out a transport process for laying, collecting, and the like.
The box feeding device that supplies the seedling boxes one by one and the box collecting device that feeds the seedling boxes one by one to the working device and collects them in upper and lower stages are configured independently to shorten the total length of the working device and transfer the seedling boxes. By making the box supply device and the box collection device selectively connectable to and separate from the work device, each device can be downsized and the work device can be used for both laying and collection. To provide a seedling box transfer processing machine.

A third object of the present invention is to not only move up and down the front and rear transport means for transporting the seedling boxes back and forth, but also to move them back and forth horizontally, so that the delivery of the seedling boxes to the ground can be performed more efficiently. To provide a seedling box transfer processing machine. A fourth object of the present invention is to provide a seedling box in which the posture can be changed while raising and lowering the front and rear transfer means, and the transfer from the transfer of the seedling box to the ground to the transfer to a higher-order transfer mechanism can be performed quickly and smoothly. To provide a transport processing machine.

A fifth object of the present invention is to easily and easily construct a structure for changing the posture while moving the front and rear transport means up and down. It is another object of the present invention to provide a seedling box transfer processing machine. A sixth object of the present invention is to provide a seedling box capable of raising and lowering the front and rear transfer means and changing the posture, and smoothly transferring the seedling box to the ground and transferring it to a higher-order transfer mechanism having a different height. To provide a transport processing machine.

A seventh object of the present invention is to provide a seedling box transfer processor which can easily and easily constitute a structure for raising and lowering the front and rear transfer means and a structure for changing the posture.
An eighth object of the present invention is to provide a seedling box transfer processing machine which can horizontally move a forward and backward transfer means which is moved up and down by an elevating means, and which can simply constitute the means for horizontally moving.

[0010]

A first concrete means for solving the problems in the present invention is supported by a work traveling machine body A2, which is capable of placing a seedling box N thereon and moving back and forth.
And a front-rear transport mechanism 6 for simultaneously transferring a large number of seedling boxes N to the ground in the left-right direction, and a large number of seedling boxes for the left-right direction with respect to the front-rear transport mechanism 6 which are arranged on the work traveling machine A2. N has a vertical and horizontal transport mechanism 5 that can move N forward and backward and can simultaneously deliver the seedling box N, and horizontally moves between a delivery position and a base position on the lateral side. A front-rear transportation means 18 on which the seedling box N is placed and which can be moved back and forth, and which is provided between the front-rear transportation means 18 and the work traveling machine body A2 and which moves the front-rear transportation means 18 from a position close to the ground. And a lifting / lowering means 11 that moves up and down to substantially the same height as the vertical and horizontal transport mechanism 5.

When the seedling box N is used to lay the seedling box N, the seedling box N is laterally moved by the vertical and horizontal transport mechanism 5 from the base position to the transfer position on the left and right sides, and from the transfer position, a large number of sheets in the left and right direction. The seedling boxes N are simultaneously moved forward and transferred to the front-rear conveyance means 18 of the front-rear conveyance mechanism 6, and the large number of seedling boxes N in the left-right direction are simultaneously moved by the front-rear conveyance means 18 to the vertical and horizontal conveyance mechanism 5. It is lowered from the same height to the vicinity of the ground, transferred from the front-rear transportation means 18 to the ground, discharged to the ground, and laid side by side.

On the other hand, when used to recover the seedling box N,
A large number of seedling boxes N laid in a horizontal row are simultaneously transferred to the front / rear conveying means 18 close to the ground, and after the front / rear conveying means 18 are raised to substantially the same height as the vertical and horizontal conveying mechanism 5, the seedling boxes N N is transferred to a transfer position on the vertical and horizontal transport mechanism 5 and is moved from the transfer position to a base position laterally in the left and right direction by the horizontal movement of the vertical and horizontal transport mechanism 5.

A second concrete means for solving the problem in the present invention is that a seedling box N is placed on a work traveling machine body A2 and is movable back and forth, and a large number of sheets are arranged in the left-right direction with respect to the ground. Before and after transport mechanism 6 for simultaneously transferring the seedling boxes N
A large number of seedling boxes N can be moved back and forth in the left-right direction with respect to the front-rear transport mechanism 6 and can be transferred simultaneously.
A vertical and horizontal transport mechanism 5 for horizontally moving between a delivery position and a base position halfway in the left-right direction, and a delivery mechanism 7 for moving the seedling box N between the base position and a position on the rear side thereof. The front-rear transportation mechanism 6 is provided between the front-rear transportation means 18 and the work traveling machine A2, and is provided between the front-rear transportation means 18 and the work traveling machine A2. And a lifting device 11 that moves up and down from the position close to the uppermost vertical and horizontal transport mechanism 5 to substantially the same height as the upper and lower transport mechanisms 5; and a seedling box N on a supply traveling machine B2 detachably connected to the working traveling machine A2. A box supply mechanism 8 is provided to supply the seedling boxes N one by one to the delivery mechanism 7 in a stacked state, and the stacked seedling boxes N received on the unloadable box receiving body 14 are boxed. Stacked seedling box feeding device for feeding the box feeding mechanism 8 from above the receiving body 14 2 a box feeder B provided; equipped with, or, the working vehicle body A instead of the box feeder B
A box collecting mechanism 9 is provided on the collecting and traveling machine C2 detachably connected to the box 2 for supplying the seedling boxes N one by one from the delivery mechanism 7 and collecting the seedling boxes N in upper and lower stages. A box collecting device C provided with a box multi-stage storage mechanism 19 for sending and storing the multi-stage seedling boxes N from the box collecting mechanism 9 to the box collecting frame 15.

Thus, when the seedling boxes N are laid, the seedling boxes N are automatically supplied one by one from the box supply mechanism 8 received in a stacked state to the base position of the vertical and horizontal transport mechanism 5 via the transfer mechanism 7. In the vertical and horizontal transport mechanism 5, the seedling boxes N are moved laterally from the base position to the transfer position laterally in the left-right direction, and a large number of seedling boxes N in the left-right direction are simultaneously moved forward from the transfer position to thereby move the front-rear transfer means 18 And a plurality of the seedling boxes N are simultaneously lowered by the front-rear transportation means 18 from substantially the same height as the vertical and horizontal transportation mechanism 5 to near the ground, and from the front-rear transportation means 18 to the ground. Delivered to the ground and laid side by side.

Alternatively, when collecting the seedling boxes N, the laid many seedling boxes N are simultaneously transferred to the front-rear transportation means 18 which is close to the ground.
8 is raised to approximately the same height as the vertical and horizontal transport mechanism 5,
The seedling box N is delivered to the delivery position on the vertical and horizontal transport mechanism 5, and is moved from the delivery position to the base position laterally in the left and right direction by the lateral movement of the vertical and horizontal transport mechanism 5, and the transfer mechanism 7 is transferred one by one from the base position. And is automatically stored in a multi-stage state by being conveyed to the box collecting mechanism 9.

A third specific means for solving the problem in the present invention is the first or second specific means. In addition, the front-rear transport mechanism 6 is provided between the lifting / lowering means 11 and the work traveling machine A2. It is provided with a horizontal moving means 10 which is provided and moves the front / rear conveying means 18 and the elevating means 11 together in the front / rear direction. Thereby, the front-rear transporting means 18 not only moves up and down, but also moves back and forth horizontally, so that the transfer of the seedling boxes N to the ground can be performed more efficiently.

A fourth concrete means for solving the problem in the present invention is that, in addition to any one of the first to third concrete means, the elevating means 11 comprises a front-rear conveying means 18 substantially similar to the vertical and horizontal conveying mechanism 5. A posture changing tool 125 for changing from a substantially horizontal posture to a front-downward inclined posture in synchronization with descending from the same height position to a position close to the ground. As a result, the posture of the front-rear transporting means 18 is changed while moving up and down, and the delivery from the seedling box N to the ground to the delivery of the seedling box N to the upper and lower vertical and horizontal transport mechanism 5 is performed quickly and smoothly.

According to a fifth concrete means for solving the problem in the present invention, in addition to the fourth concrete means, the elevating means 11 includes a front-rear conveying means 18 at a front portion of a support arm 127 and a horizontal shaft 129. The lifting actuator 133 supports the base of the support arm 127 on the work traveling machine body A2 side via the rotation shaft 131, and swings the support arm 127 up and down around the rotation shaft 131. And the horizontal axis 129 has a front end pivotally supporting a receiving arm 130 carrying the front-rear conveying means 18, and the posture changing tool 125 is substantially concentric with the rotation shaft 131 and is immovable with respect to the work traveling machine body A2. , A sprocket 137 substantially concentric with the horizontal shaft 129 and fixed to the receiving arm 130, and a chain 139 wound around the sprockets 136 and 137.

Thus, a structure for changing the posture of the front / rear conveying means 18 in synchronization with the elevation can be simply and easily constructed. A sixth specific means for solving the problem in the present invention is that, in addition to any one of the first to third specific means, the lifting / lowering means 11 tilts the forward / backward transport means 18 forward and downward at a position close to the ground. And a posture changing tool 125 for making the posture substantially horizontal at the same height position as the vertical and horizontal transport mechanism 5.

Thus, the front-rear transporting means 18 can move up and down and change the posture, and smoothly transfer the seedling boxes N to the ground and transfer the seedling boxes N to the upper and lower vertical and horizontal transport mechanisms 5 having different heights. it can. A seventh concrete means for solving the problem in the present invention is that, in addition to the sixth concrete means, the lifting / lowering means 11 includes a front / rear conveying means 18 at a front portion of a support arm 127 via a horizontal shaft 129. It is supported so as to be able to swing up and down, and the base of the support arm 127 is turned to
1 and a lifting actuator 133 for supporting the support arm 127 up and down around the rotation axis 131 is provided.
The horizontal axis 129 pivotally supports a receiving arm 130 whose front end carries the front-rear transporting means 18.
The actuator is provided between the support arm 127 and the receiving arm 130 and rotates the receiving arm 130 with respect to the supporting arm 127.

As a result, a structure for raising and lowering the front-rear transportation means 18 and a structure for changing the posture can be simply and easily constructed. Eighth concrete means for solving the problem in the present invention is the rotation shaft 1 in addition to the sixth or seventh concrete means.
The moving frame 132 is supported by the moving frame 132, and the moving frame 132 is supported on a supporting rail 126 provided in the front and rear direction on the work traveling machine A2 so as to be movable back and forth. Is provided with a horizontal actuator 128 for moving the moving frame 132 back and forth.

Thus, the front-rear transporting means 18 which can be moved up and down can be moved horizontally back and forth with a simple structure.

[0023]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 to 5 show an entire seedling box laying and collecting machine which can be changed to a seedling box laying machine and a seedling box collecting machine as a seedling box transfer processing machine. This seedling box laying and collecting machine is capable of forming a sidewalk at the center and laying and collecting simultaneously eight seedling boxes N for each of the right and left (a total of 16 for each of the right and left or another number may be 16) and side by side simultaneously. It is.

The seedling box laying and collecting machine is composed of three devices which are connectable and separable: a working device A, a box feeding device B, and a box collecting device C. By connecting the box feeding device B to the working device A, It becomes a seedling box laying machine (shown in FIG. 4), and the working device A
Seedling box collection machine (Fig. 5)
), And the working apparatus A alone can lay and collect as many seedling boxes N as can be placed thereon.

In FIGS. 1 to 22, the working device A is roughly divided into a seedling box N on which the distribution is performed from the base position at the center in the left-right direction to the right and left transfer positions, and the collection from the left and right transfer positions to the base position. And the vertical and horizontal transport mechanism 5 capable of moving back and forth at the transfer position, and being capable of mounting the seedling box N and transferring it to the vertical and horizontal transport mechanism 5 and of transferring the mounted seedling box N to the ground A delivery mechanism 7 capable of moving the seedling box N from the rear position to the base position of the vertical and horizontal transfer mechanism 6 and moving the seedling box N from the base position to the rear position of the vertical and horizontal transfer mechanism 5;
Box aligning means 16 for pushing forward the seedling box N released to the ground to close the front-rear space, and a peripheral Na of the seedling box N laid on the ground.
And a box pick-up mechanism 17 that lifts the box onto the front-rear transport mechanism 6, and these are mounted on the work traveling machine body A2.

In FIGS. 1 and 4 to 7, the work traveling machine A2
Supports a machine body 31 on a traveling platform 29 so as to be swivelable around a swing axis 30. The machine body 31 is equipped with a drive source 28 such as an electric motor or an engine, a hydraulic pump, an air compressor, and an operation panel. The left and right crawler running sections 32 arranged on the left and right of the table 29 are driven by a hydraulic motor, and can be independently run and steered, and are controlled by radio control. It may be. The machine body 31 has a plate-shaped base 31A rotatably supported by the traveling platform 29, and a horizontally long frame-shaped base frame 31B fixed thereon.

The vertical and horizontal transport mechanism 5 is disposed on a base frame 31B, is disposed at a central base position, and has a single seedling box N
And a central feed portion 5C that can be distributed to the left and right and can be received from the left and right, and four seedling boxes N can be placed side by side and centrally positioned at the left and right of the central feed portion 5C. It has left and right side feed units 5L and 5R for transferring the seedling box N to and from the unit 5C and the front and rear transport mechanism 6.

As shown in FIGS. 6 to 13, the vertical and horizontal transport mechanism 5 includes a plurality of slat plates (plate materials) 3 having a U-shaped cross section.
3 are arranged in parallel, and 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 approximately 45 degrees with respect to the direction of movement (front and back) of the slat plate 33. And a conveyor structure that enables the chain 34 to be driven via a sprocket and a motor and enables the roller 35 to move around. . A center feed unit 5C and a left and right feed unit 5L,
Each conveyor structure of the 5R is independently movable back and forth.

The vertical and horizontal transport mechanism 5 includes a central feed portion 5C.
, A left stopper 43, a right stopper 44, and left and right outer end walls arranged before and after and right and left and before and after the left and right feed units 5L and 5R. The movement of the seedling box N placed in combination with the conveyor structure can be moved left and right or back and forth by the movement regulation.

That is, the slat plate 3 of the conveyor structure
3 moves back and forth, the seedling box N placed thereon also moves in the same direction, but there is a stopper on the front side in the moving direction to restrict the movement, and the seedling box N comes into contact with the stopper in the front in the moving direction. Then, the repulsive force is transmitted to the roller 35 having the 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 axis of the roller 35 of the conveyor structure of the central feed portion 5C and the left feed portion 5L is inclined in the same direction, and that of the right feed portion 5R is inclined in the opposite direction. Accordingly, when transferring the seedling boxes N to the front-rear transport mechanism 6, the left and right feed units 5L and 5R can be moved in the same direction, and the number of times of reversing the conveyor structure is reduced.

The stoppers are arranged in the front and rear and left and right directions in the central feed portion 5C and in the front and rear directions in the left and right feed portions 5L and 5R. The outer walls of the left and right feed portions 5L and 5R also move the seedling box N. It is a stopper to regulate. Central feed unit 5C
A roller 50 between the left and right feed units 5L and 5R is a delivery guide roller. The middle front stopper 42F for the center feed portion 5C and the left and right rear stoppers 43B, 44B for the left and right feed portions 5L, 5R are formed by wall plates fixed to the mechanism frame 41 of the vertical and horizontal transport mechanism 5, and have a stopper action position. Fixed to Middle and rear stopper 42 for central feed section 5C
B and left and right front stoppers 43F, 44F are air cylinders 4
6, etc., the upper and lower stoppers 42L, 42R rise from the lower retreat position to the action position.
Air cylinder 4 supported by a support frame 47 fixed at the center of
By 8 etc., it is lowered from the upper retreat position to the working position. That is, the middle rear stopper 42B, the middle left and right stopper 4
The 2L, 42R, left and right front stoppers 43F, 44F are shutters that can be moved up and down, so that the seedling box N can pass through when in the retracted position.

Middle front stopper 42F, middle left and right stopper 42
L, 42R in the operating position, and the central feed portion 5
The conveyor structure of C is moved in the forward direction (the direction of arrow 45 in FIGS. 8 and 10), and the seedling box N is moved in the forward direction to contact the middle front stopper 42F, and then the middle rear stopper 42B acts. And the middle right stopper 42R is set to the retracted position, and the conveyor structure of the central feed portion 5C is moved in the backward direction (the direction opposite to the direction of the arrow 45 in FIGS. 8 and 10). It is moved rightward by contacting the rear stopper 42B, and is moved rightward while being in contact with the right front stopper 44F by the forward movement of the right feed portion 5R. When this operation is repeated four times, four seedling boxes N are arranged in the entire area of the right feeding section 5R.

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

The four right and left seedling boxes N are each provided with a left and right feed section 5L.
When the left front stopper 43F and the right front stopper 44F are retracted downward from the operation position in a state where they are dispersedly arranged at the transfer position of the 5R, and the left and right feed portions 5L and 5R are simultaneously moved forward, the eight seedling boxes N At the same time, it is moved forward from the vertical and horizontal transport mechanism 5 and supplied to the front and rear transport mechanism 6. Conversely, after moving the conveyor structure of the left and right feeders 5L and 5R backward to simultaneously receive eight seedling boxes N from the front longitudinal transport mechanism 6, the left front stopper 43F, the middle rear stopper 42B, and the middle right The stopper 42R and the right front stopper 44F are advanced to the action position, and the seedling box N at the second position from the center side of the left feed portion 5L is pressed against the left front stopper 43F by a left stopper 49L formed of an electromagnetic solenoid or the like. To stop, and in that state, the left feed unit 5L and the center feed unit 5C
Is moved, the seedling boxes N are moved 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 center feeding section 5C are moved backward, and the seedling boxes N thereon are moved to the left rear stopper 43B, the middle rear stopper 42B and the middle right stopper 42R.
The central and rear stoppers 42B are moved backward and collected by the central feed unit 5C via the central feed unit 5C. The seedling box N on the right feeding section 5R moves the right feeding section 5R backward, moves the center feeding section 5C forward, and moves the seedling box N thereabove on the right rear stopper 44B and the middle left stopper 42L.
Then, it is moved to the central feeding portion 5C via the middle front stopper 42F, and the right stopper 49R is operated to convey and collect the seedlings N one by one to the central feeding portion 5C while stopping the subsequent seedling box N,
The middle and rear stopper 42B is retracted downward, and the center feed portion 5C
To move the seedling box N backward.

On the mechanism frame 41 of the vertical and 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. Detecting the loading / unloading of the seedling box N to the feeding sections 5L, 5R, etc., the movable stoppers such as the conveyor structure, the middle rear stopper 42B, the middle left / right stoppers 42L, 42R, the left / right front stoppers 43F, 44F, and the left / right stoppers. 49L, 49R, etc. are operated appropriately.

The conveyor structure of the vertical and horizontal transport mechanism 5 is arranged such that the direction of inclination of the axis of the roller 35 is adjusted by the central feeder 5C.
And the right feed section 5R in the same direction,
C, 5L and 5R may be in the same direction.
For loading and unloading, either of the left and right feed units 5L and 5R may be performed first. In FIGS. 5 to 8 and 14 to 18, the front-rear transport mechanism 6 includes a front-rear transport unit 18 formed by a belt conveyor (or a conveyor such as a chain, a wheel, a roller, and the like), and a horizontal unit that horizontally moves the front-rear transport unit 18 forward and backward. A horizontal moving unit and a lifting / lowering unit, which have a moving unit and a vertical moving unit that changes the front / rear conveying unit from a state in which a conveying surface is inclined forward and downward to a horizontal posture;
1 is provided on the base frame 31B of the machine body 31 below the left and right feed units 5L and 5R, and a box aligning unit 16 is disposed in front of the front and rear transporting unit 18.

Each of the left and right front and rear transport means 18 has a support frame 37 on which four sets of belt conveyors 38 are supported, and a motor 39 and a rotating shaft 3 provided on the side surface of the support frame 37.
6, the four seedling boxes N can be simultaneously placed and transported in the front-rear direction. A grounding wheel 51 is provided on the side of the left and right support frame 37 in front of the motor 39, and a bracket 40 is provided on the front in correspondence with each belt conveyor 38, and the bracket 40 is driven by the front side of the belt conveyor 38. An abutment 23 formed of a roller while supporting the pulley is rotatably supported.

The abutting member 23 is located close to the ground on an extension of the belt conveyor 38,
6, the seedling boxes N on the ground are pushed forward to align the front and rear positions, and the front and rear gaps with the already laid seedling boxes N can be eliminated. The head is reduced when discharging. The abutment 23 does not touch the ground because of the grounding wheel 51, but may be grounded.

Reference numeral 127 denotes a pair of left and right support arms that support the support frame 37 of each of the right and left front and rear transporting means 18. Then, the receiving arm 130 which is 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, so that The posture is changed and held as required.

The support arm 127 has a rotating shaft 131 at the rear upper end.
The rotating shaft 131 is rotatably supported by a moving frame 132 via a bearing. The moving frame 132 is fixed to a left and right support rail 126 fixed to a 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 substantially L-shaped plate material with a rear portion rising.
This is because the support arm 127 does not interfere with the rear part of the front-rear transportation means 18 when rotated downward, and does not interfere with the machine body 31 when rotated upward.
On the contrary, it is possible to arrange the vertical and horizontal transport mechanism 5 at a sufficiently high position so that the vertical position of the vertical transfer mechanism 8 can be raised.

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

The moving frame 132 is provided with a lifting actuator 133.
The piston rod 33 is an arm 1 fixed to a rotating shaft 131.
34. A sprocket 136 is fixed at a position concentric with the rotation shaft 131 by projecting the bracket 135 from the moving frame 132, and a sprocket 137 is attached to the horizontal shaft 129.
Is loosely fixed to the receiving arm 130, and the free-rotating sprocket 138 is supported at two places in the middle of the supporting arm 127, and the chain 139 is wound around these sprockets 136, 137, 138, etc., thereby changing the posture. The attitude changing tool 125, the elevation actuator 133, the rotating shaft 131, and the like constitute the elevating means 11.

The lifting / lowering means 11 operates the lifting / lowering actuator 133 to rotate the support arm 12 via the rotating shaft 131.
7, the front / rear conveying means 18 is raised to substantially the same height as the vertical / horizontal conveying mechanism 5 at the upper position. In synchronization with this, the position at which the chain 139 is wound around the sprocket 136 of the attitude changing tool 125 is changed. Then, the sprocket 137 rotates, whereby the receiving arm 130 rotates downward and bends with respect to the support arm 127, thereby changing the front-rear transporting means 18 from the front downward posture to the substantially horizontal posture.

When the raising / lowering actuator 133 is operated in reverse, the front-rear transfer means 18 can transfer the seedling box N to the ground from a substantially horizontal 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 appropriate front-downward posture lowering position. The posture changing device 125
If the chain 139 does not interfere with the front-rear transport means 18, it is not necessary to provide two idler sprockets 138,
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 may be provided in the same manner as described above. By rotating the receiving arm 130 in synchronization with the vertical movement of the support arm 130, the posture of the front-rear conveyance means 18 is changed, or the front-rear conveyance means 18 is moved forward and downward at the position where the support arm 127 is raised or lowered. To a substantially horizontal posture or vice versa.

The fore-and-aft transport means 18 includes a support arm 127
However, it is only supported by the receiving arm 130, and can move up and down following the unevenness of the ground when the grounding wheel 51 is in contact with the ground in a front downward position. As shown in FIGS. 6 to 8, the delivery mechanism 7 is located behind the center base position of the vertical and horizontal transport mechanism 5, and moves the seedling box N in the front-rear direction between the center feeding unit 5 </ b> C and a position behind it. Can be transported.

The transfer mechanism 7 is formed of, for example, a roller conveyor having a plurality of self-rotating rollers with a built-in motor. The front portion of the frame 142 has a horizontal axis with respect to the machine body 31 or the mechanism frame 41 of the vertical and horizontal transport mechanism 5. Pivot 14
3 and is connected to the box supply mechanism 8 at the rear.
And can be placed on the box collecting mechanism 9 and connected.
1 to 7 and 19 to 23, a total of eight sets of left and right boxes are provided on the front frame 56 projecting forward from the left and right sides of the base frame 31B of the machine body 31.
The front frame 56 is L-shaped in side view and U-shaped in plan view.
The left and right ends are pivotally connected to the machine main body 31 via support pins 57. Both triangular brackets 58 are fixed integrally by connecting bolts, and the front frame 56 is lifted upward by releasing the bolts. It is foldable.

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 mounted via a bracket 53A projecting forward and downward. . The front end sensor 53B detects the growing seedling in 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 to the front of the front frame 56 on the left and right, respectively, and one lifting cylinder 62 (lifting means) with a brake is supported. The two guide rods 59 are guided so as to be able to move up and down.
A lifting platform 61 is attached to the lower end of 9, and a piston rod of a lifting cylinder 62 is connected to lift the lifting platform 61.

An elevating table 61 has an L-shaped connecting member 63 in a side view.
Is fixed to the lower part of the connecting member 63 via a pin, and a middle part of a swinging member 64 in an L-shape in a side view is pivotally supported. A roller 65 engaged with the guide rail 60 is provided. The lower portion of the guide rail 60 is bent rearward, and when the roller 65 passes through the bent portion 60A, the swinging tool 64 swings and the vertical cylinder (vertical moving means) 67
To change his posture.

The guide rail 60, the connecting member 63, the swinging member 64, the roller 65, and the like constitute tilting means for tilting the hooking member 22, which will be described later, forward and downward. A forward / backward moving cylinder (forward / backward moving means) 68 is attached to a lower part of the piston rod of the vertical cylinder 67, and a mounting base 69 is attached to a front part of the piston rod of the forward / backward moving cylinder 68. Two guide rods 70, 71 are fixed to the front-rear movement cylinder 68 and the mounting base 69, respectively. The respective guide rods 70, 71 are longitudinally attached to a member holding the vertical cylinder 67 and the cylinder of the front-rear movement cylinder 68. It is guided so that it can move in any direction.

The mounting base 69 has a substantially triangular side plate 72 mounted on the left and right sides. The side plate 72 is provided with front and rear small wheels and large wheels 73A, 73B and 73C at the center, and these wheels 73A, 73B and 73C It is designed to be grounded and to maintain the position and posture of the hook claws described below with respect to the ground. The mounting member 69 has a rectangular support 14
5 is supported, and a back plate 146 is attached to the back of the support 5. The support 145 has a vertical axis 1 at the center in the left-right direction.
47 is attached to the mounting base 69 by screwing a nut to the mounting base 47, and can swing slightly left and right about the vertical axis 147, and a pair of left and right elastic receivers 1 provided on the back plate 146.
48 elastically holds the swinging neutral position (posture along the left-right direction).

The support 145 has two support rods 149.
Are penetrated in the front-rear direction, and a claw attachment 150 is attached to the front end of the support rod 149, and is urged forward by a spring 151 fitted on the support rod 149. The nail attachment body 150 is provided with a toolbar 152, and a pair of left and right hook claws 153 are attached to the toolbar 152 so that the left and right positions can be adjusted. Left and right pair of hooks 1
Reference numeral 53 denotes a shape for hooking from the lower side a portion of the seedling box N where the lower end flange of the periphery Na of the seedling box N is hooked from below, and a plurality of 53 are provided so as to be able to engage with the rib on the back side of the lower flange.

The support 145, the support rod 149, the claw mounting body 150, the spring 151, the toolbar 152, the hook 153, and the like together constitute a hook 22. The hook 22 has the hook 153 attached thereto. It can also be constructed by directly attaching to the table 69. Also, the box pick-up mechanism 17 can be used as the box aligning means 16 by attaching the abutment 23 instead of the hook 153 or the hook 22.

Reference numeral 154 denotes a mounting plate 15
5 is a seedling box detection sensor provided through the hook 5, and detects when the hook 153 comes into contact with the seedling box N and the nail mounting body 150 moves backward, thereby detecting the presence of the seedling box N. It has become. The seedling box detection sensor 154 can adjust the front and rear position by rotating the mounting plate 155.

In order to make the wheels 73 conform to the unevenness of the ground, it is preferable that the mounting base 69 can be slightly swung up and down around the longitudinal axis with respect to the piston rod of the longitudinal cylinder 68. The box pick-up mechanism 17 of this embodiment moves the working device A forward,
3B, the seedling box N is detected and stopped at the work start position, the elevating table 61 is lowered to the lower limit position of the elevating cylinder 62, and the hanging tool 22 is lowered by the weight of the vertical cylinder 67, and each hanging tool is lowered. 22 are independently grounded to the ground.
When the front and rear motion cylinder 68 is operated to protrude while the grounding is in contact with the ground, or when the work traveling machine body 2A is advanced again with the front and rear motion cylinder 68 in the protruding operation state, the hook 153 at the front end of the hook 22 becomes The claw attachment body 150 elastically moves backward by contacting the seedling box N in the laid state, and the seedling box detection sensor 154 detects this, and stops the protruding operation of the longitudinal cylinder 68 or the forward movement of the traveling machine body 2A ( FIG. 20).

At this time, even if the front and rear positions of the seedling box N in the laid state are not aligned on the left and right, it is absorbed by the forward and backward movement of the nail mounting body 150 via the spring 151,
Even when the seedling box N is tilted, the support 145 swings through the vertical axis 147 and the pair of left and right elastic receivers 148 and is absorbed, so that the pair of hooks 153 properly fit with the periphery Na of the seedling box N. Get involved.

In the stopped state, the vertical cylinder 67 is actuated to slightly raise the hook 22, whereby the hooks 153 engage the lower flange of the seedling box N, which is the downward flange of the periphery Na, from below. Then, the raising / lowering cylinder 62 is operated to lift the rear portion of the entire seedling box N. At this time, since the roller 65 enters the bent portion 60 </ b> A of the guide rail 60, the connecting member 63 swings while ascending, and the longitudinal movement cylinder 68 and the latching member 2
2 is tilted forward and downward so as to be substantially along the upper surface of the front-rear transport means 18.

Next, the front / rear conveying means 18 is moved to the horizontal moving means 1.
At 0, the vertical cylinder 67 is inserted and moved so as to be scooped below the hooks 22 (the state shown in FIG. 22), and the vertical cylinder 67 is placed on the front-rear transporting means 18 so as to scoop approximately the rear half of the seedling box N. Activate and place all seedling boxes N on the forward and backward transport mechanism 6 and release the engagement between the hooks 153 and the peripheral edge Na of the seedling box N, and then transport the latching tool 22 forward and backward by the forward and backward moving cylinder 68. Means 1
8 and is moved rearward substantially along the upper surface of the seedling box 8 to separate it from the seedling box N and operate the elevating cylinder 62 to move it up (the state of FIG. 23).

As the box pick-up mechanism 17, a large number of hooks 22 are attached to the elevating table 61 or the rocking tool 64, and the seedling box N
May be engaged and disengaged by the operation of the lifting / lowering cylinder 62 and the traveling of the work traveling machine body 2A.
Further, a cylinder may be provided between the connecting member 63 and the swinging member 64 instead of the guide rail 60 of the tilting means. Further, the seedling box N may be picked up using a divider having a triangular cross section or a scooping plate shape inclined forward and downward, and the divider is attached to the bracket 40, and the work traveling machine A2 is moved forward while moving forward from the front end. What is necessary is just to scoop up the seedling box N on the ground on the inclined surface inclined upward.

The box feeder B is shown in FIGS.
The box supply mechanism 8 stores the seedling boxes N in a stacked state and supplies the seedling boxes N to the delivery mechanism 7 one by one, and holds the seedling boxes N on the unloadable box receiving body 14. The apparatus includes a stacked seedling box supply mechanism 12 for supplying the stacked seedling boxes N from the box holder 14 to the box supply mechanism 8, and a supply traveling machine body B2 for mounting and supporting these.

In the supply traveling machine body B2, a driving source 75 such as an electric motor, a hydraulic pump, an air compressor, an operation panel, and the like are mounted on a machine body 76, and the left and right crawler traveling sections 77 are driven by a hydraulic motor. , Can run and steer 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 connection cord, and is connected to the work traveling machine body A2 to integrally travel.
Be steered.

The connecting device 87 has a hook-shaped connecting member 87A provided at the rear of the work traveling machine A2 and a connecting pin 87B provided at the front of the supply traveling machine B2.
Is vertically movable with respect to the supply traveling body B2,
The work traveling machine A2 and the supply traveling machine B2 bend following the unevenness of the ground in a connected state. The box supply mechanism 8 includes a conveyor unit 54B formed of a wheel conveyor, a roller conveyor, or the like, a box holding unit 79 provided on a frame 78 that is disposed across the conveyor unit 54B, and a conveyor unit. And a 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 rear side of the frame frame 78 is open, and the seedling boxes N stacked in, for example, 30 stages can be inserted from the rear while being placed on the conveyor means 54B. The box holding means 79 has a pair of left and right plate-shaped holding members 81 supported by the frame 78, and an egress / retract means 82 for moving the left and right holding members 81 into and out of the frame 78.

The left and right holders 81 can receive the periphery Na of the seedling box N, and receive the seedling box N1 from the conveyor means 54B.
The stacked seedling box N can be held at a height more than the number of sheets, and the held stacked seedling box N can be opened by being retracted by the retracting means 82. The retracting means 82 is configured to move a screw shaft having the holder 81 attached to the tip in the axial direction by a motor, and may be constituted by an air cylinder or the like.

The lifting means 80 is provided by the conveyor means 54B.
, A lift table 83 that can project upward from between the wheels of the conveyor means 54B,
3 and a lift drive device 84 that moves up and down. The lift table 83 is guided by the machine body 76 to move up and down, and a lift driving device 84 drives a cam plate 85 that comes into contact with a cam follower on the lower surface of the lift table 83 by a motor or the like to move the lift table 83 up and down. Has become. The lift driving device 84 can be constituted by a hydraulic cylinder or the like.

The lifting means 80 retracts the left and right holders 81 and transports the stacked seedling boxes N carried into the frame 78 by the transport conveyor means 54B to the lift driving device 84.
Is actuated to raise the lift table 83, and when descending, the second seedling box N from the bottom is held by the holder 81.
27, and the lift table 83 is lowered below the conveyor means 54B, so that the seedling box N at the lowermost position is placed on the conveyor means 54B again and moves forward. Transport.

Next, when the lift base 83 is raised, the laminated seedling box N held by the holder 81 is lifted, and when descending, the holder 81 is retracted once to lower the lower seedling box N. Then, the second seedling box N from the bottom is received when the holding tool 81 advances. The layered seedling box supply mechanism 12 includes a laterally moving mechanism 97 on which the box receiver 14 can be placed and laterally moved, and a layered seedling that forwards the layered seedling box N from the box receiver 14 on the laterally moving mechanism 97. Box feeding means 92.

The box receiving body 14 is a pallet which is used in the greening process and can be inserted with a fork claw.
It is formed in such a manner that five stacked products can be placed in the left-right direction. The box receiver 14 may be a frame that can be transported by a forklift or a transport vehicle with wheels. Lateral moving mechanism 9
7 is provided with a large number of wheels 90 in the left-right direction at the front and rear portions of a frame 89 fixed to the rear upper surface of the machine body 76.
The mounting movable table 91 having the front and rear rails that engages with the main body 76 or the frame 8.
Driving means 158 for driving the mounting and moving table 91 is provided on 9.

The driving means 158 wraps a chain 159 around a sprocket supported by the frame 89, connects the chain 159 to the mounting table 91, and drives the sprocket by an electric motor 160. Instead of moving the means 158, the placing and moving table 91 having the front and rear rails is pulled and moved by the chain 159. As shown in FIG. 28, a positioning member 100 is provided on the upper surface of the mounting moving table 91 for holding the mounted box receiver 14 at an appropriate position in the front-rear direction and the left-right direction.

The transport conveyor means 54 is placed on the box receiver 14.
The supply of the stacked seedling boxes 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 moves the elevating table 93 up and down by the elevating means 96. The elevating means 96 includes an elevating table 93
Is vertically driven by an electric motor via a rack and pinion.

The driving means 158 and the elevating means 96 include
Although an electric motor is used, it may be configured to operate with a pneumatic cylinder or a hydraulic cylinder 98. The box receiving body 14 is capable of mounting five sets of stacked seedling boxes N, and has a window 14A through which the belt conveyor 95 can come out corresponding to each seedling box mounting position. Means 92
When the elevator 93 is raised by the lifting 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. 28).
When driven in the lifted state, the stacked seedling boxes N can be sent forward, and the conveyor means 54B
Can be transferred to

The horizontal moving mechanism 97 takes the left and right balance when supplying the stacked seedling boxes N, and the order of taking out the stacked seedling boxes N on the box receiving member 14 is 5, 3, 1, 2, 4 from the end. It has become. In addition, since the placing and moving table 91 greatly overhangs from the machine body 76 to the left and right, a grounding wheel 99 is provided via a support arm 98 at the left and right rear portions of the machine body 76 to support the left and right. A caster wheel is used for the grounding wheel 99, and the support arm 98 can change its posture from the outwardly protruding posture to the rearward direction, so that the rear portion can be supported when the box supply device B is independently driven. ing.

The box collecting device C is shown in FIGS. 5, 30, and 31. The box collecting mechanism 9 is supplied with the seedling boxes N one by one from the delivery mechanism 7, and collects the seedling boxes N in upper and lower stages. A box multi-stage storage mechanism 19 for sending and storing the multi-stage seedling boxes N from the box collection mechanism 9 to the unloadable box collection frame 15, and a collection traveling machine C2 for mounting and supporting these.

The collecting and traveling machine body C2 has a machine body 101 equipped with a drive source 106 such as an electric motor, a hydraulic pump, an air compressor, an operation panel, and the like, and drives the left and right crawler traveling sections 102 with a hydraulic motor. , Traveling alone
Steerable. Further, the collection traveling body C2 is connected to the connecting device 8.
7, it is detachable from the work traveling machine A2, and is connected to the work traveling machine A2 to be integrally run and steered.

The box collecting mechanism 9 is transport conveyor means 54C formed of a wheel conveyor, a roller conveyor, or the like, a frame 103 disposed over the transport conveyor 54C, and supported by the frame 103. The seedling box N having the grown seedlings on the conveyor means 54C.
Box multi-stage lifting means 104 that lifts the sheets at intervals.
And pusher means 105 for pushing out all the seedling boxes N on the box multistage lifting means 104 backward.

The box multi-stage lifting means 104 includes the frame 1
A plurality of front and rear chains 109 are wound around the upper and lower shafts 107 and 108 supported by the
The holding metal fittings 110 for holding the side parts are attached at regular intervals, and these are arranged to face left and right.
The seedling box N is lifted up from above 4C by the left and right holding brackets 110, and the seedling boxes N can be collected in, for example, 30 stages at intervals vertically.

The pusher means 105 is connected to the frame 1
03 has a pusher body 112 in contact with all the seedling boxes N collected by the box multi-stage lifting means 104, and left and right air cylinders 113 for moving the pusher body 112 back and forth. , Pusher body 11
2 from the front of the seedling box N between the left and right holding bracket 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 receiving body 14.
And a box collection frame 15 mounted thereon, and a lateral movement mechanism 97 for moving these in the left-right direction. The box collecting frame 15 is mounted on the box receiving body 14 and transported by a forklift or the like.
It has receiving pieces 114 arranged stepwise, and the receiving pieces 114 are arranged in five rows in the left-right direction to form five rows of collecting sections 15a. Each collecting unit 15a is capable of inserting the multi-stage seedling box N from the front side thereof, and stores the multi-stage seedling boxes N pushed out from the box collecting mechanism 9 by the pusher means 105 while keeping a vertical interval.

The box receiving body 14 and the horizontal moving mechanism 97 for mounting the box receiving body 14 and moving it in the horizontal direction are substantially the same as the box feeding mechanism 8 shown in FIG. A large number of wheels 90 are provided in the front and rear portions of a frame 89 fixed to the main body 101, and a mounting movable table 91 having front and rear rails that engages with the wheels 90 is disposed so as to be movable in the left and right directions. Placement moving table 91 on 89
A driving means (not shown) for driving is provided.

The driving means, the mounting and moving table 91, the lateral moving mechanism 97, the grounding wheel and the like are the same as those of the stacked seedling box supply mechanism 12 of the box supply mechanism 8, and no lifting means is provided. The horizontal moving order of the horizontal moving mechanism 97 for collecting the seedling boxes N to the collecting units 15a in the five rows in the left-right direction is also 5 from the end.
The numbers are 3, 1, 2, and 4. Next, a method for laying a seedling box in a case where the seedling box transfer processing machine described in the above embodiment is a seedling box laying machine will be described.

The working device A and the box supplying device B are separately moved and connected in the house, and the box receiving body 14 on which a large number of seedling boxes N after the germination process are mounted is transported by a lift vehicle to be mounted thereon. Mobile platform 9
1 on top. 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 receiving body 14 to the transport conveyor means 54B, and to supply it into the box supply mechanism 8. The five rows of the stacked seedling boxes N are supplied from the center side of the box holder 14 and supplied, and the box holder 14 is moved left and right via the lateral movement mechanism 97 so as not to lose the left-right balance. Are supplied sequentially.

The stacked seedling boxes N that have entered the box feeding mechanism 8 are held by box holding means 79 via the lifting means 80, are sequentially taken out of the lower seedling boxes N onto the conveyor means 54B, and are taken out by the conveyor means 54B. It is supplied to the delivery mechanism 7. The transfer mechanism 7 moves the central feed portion 5 of the vertical and horizontal transport mechanism 5 from the rear position.
Transfer to C. In the vertical and horizontal transport mechanism 5, the middle and left and right stoppers 4
2L and 42R are in the operation position, and the conveyor structure of the central feed portion 5C moves forward, so that the seedling box N delivered from the delivery mechanism 7 abuts on the middle front stopper 42F, and then the middle rear stopper 42B. Projecting to the operating position, the middle right stopper 42R is retracted, the conveyor structure of the central feed portion 5C is moved backward, and the conveyor structure of the right feed portion 5R is moved forward, so that the seedling box N is moved to the middle and rear stoppers. 42B
And the right feeder 5R while guiding with the right front stopper 44F.
Distribute and transport to the upper delivery position.

After the four seedling boxes N are supplied on the right feeding portion 5R, the middle right stopper 42R is placed in the operation position and the middle left stopper 42R is placed in the retreat position, and the conveyor of the center feeding portion 5C and the left feeding portion 5L is moved. Move the structure forward, and
The four seedling boxes N are transported to the transfer position on L. A total of 8 seedling boxes N each having 4 seedling boxes N on the left and right feeding sections 5L and 5L
Is prepared, the left and right feeders 5L and 5L and the front and rear conveyance means 18 of the front and rear conveyance mechanism 6 are simultaneously moved forward, and all the seedling boxes N are moved forward from the vertical and horizontal conveyance mechanism 5 to move the front and rear conveyance at the ascending horizontal position. Hand over the means 18.

Then, the lifting / lowering means 11 is operated to tilt the forward / backward transporting means 18 downward from the rising horizontal position to the forward downward tilt position. When the forward / downward downward tilt position is reached, the forward / backward transporting is performed while the working device A is moved backward. By moving the means 18 forward, the entire seedling box N is discharged to the ground, and the backward movement of the working device A is stopped in a state where the front and rear transport means 18 is separated from the released seedling box N by a certain distance.

Thereafter, the horizontal moving means 10 is actuated to move the front / rear conveying means 18 horizontally forward, and the contact means 23 of the box aligning means 16 disposed at the front thereof is brought into contact with the whole seedling box N which has released. The seedling box N is pushed forward until it comes into contact with the preceding laid seedling box N, so that the front and rear positions of all the seedling boxes N are aligned, and the interval between the front and rear seedling boxes is reduced. After the horizontal moving means 10 is reversely operated to retreat the front-rear transport means 18 or while being retracted, the elevating means 11 is reversely operated,
The forward / backward transporting means 18 is returned to the raised horizontal position at which the seedling box N can be transferred from the vertical / horizontal transporting mechanism 5, and the above process is repeated.

A sidewalk having a width substantially equivalent to the width of the center feeding portion 5C is formed between the four left and right seedling boxes N laid.
When the seedling box laying machine has moved 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 of the working device A and the front and rear transporting means 18 are separated. Is laid only by the working device A, then the direction of the working device A is changed and moved to another house or laying area, and the box feeding device B is connected again after the movement.

When the new seedling box N is laid in parallel to the existing seedling box N, the working device A moves to the front end in the house after being moved laterally. When the main body 31 is turned in the reverse direction with respect to the traveling base 29 in synchronization with the left and right crawler traveling parts 32 being driven left and right in the opposite direction to change the direction of the traveling base 29, the vertical and horizontal directions of the main body 31 With the transport mechanism 5 and the front-rear transport mechanism 6, only the traveling platform 29 is turned while the direction is unchanged, 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 the laying areas can be reduced.

When the entrance of the house is narrow, the machine body 31 is turned 90 degrees with respect to the traveling platform 29 to change the horizontal direction of the vertical and horizontal transport mechanism 5 and the front and rear transport mechanism 6 to the front and rear direction,
The width of the working device A is reduced so as to pass through the entrance.
Next, a method for collecting seedling boxes in the case where the seedling box transfer processing machine described in the above embodiment is a seedling box collecting machine will be described.

Only the working device A is moved to the end of the laying area in the house, the box pick-up mechanism 17 is opposed to the laid eight seedling boxes N in one horizontal row, and the seedling box N is detected by the front end sensor 53. Move forward until detected. At this time or after this, the front / rear conveying means 18 is made to stand by at the front downward inclined position, and the box pick-up mechanism 17 is operated so that the hook 153 of the hook 22 is moved to the seedling box N.
Then, the work traveling machine A2 is advanced forward in this state, and the hook 153 of the hook 22 is brought into contact with the seedling box N to stop the movement of the work traveling machine A2. At this time, instead of advancing the work traveling machine body A2, the hook 153 may be made to protrude by the longitudinal cylinder 68.

After the hook 22 detects the seedling box N, the hook 22 is raised by the vertical cylinder 67 to hook the hook 153 on the periphery Na of the seedling box N from below. The rear side of the seedling box N is lifted, and the front-rear transportation means 18 of the front-rear transportation mechanism 6 is moved below the raised seedling box N to the horizontal moving means 1.
0, and the back of the seedling box N is
Scoop on top of No. 8.

In this state, the vertical cylinder 67 is operated to lower the hook 153, the seedling box N is transferred to the front and rear transport means 18, the front and rear moving cylinder 68 is moved backward, and the lifting cylinder 62 or the vertical cylinder 67 is raised. By actuating, the hook 153 is disengaged from the peripheral edge Na of the seedling box N, and then the front-rear conveying means 18 is moved backward so that the seedling box N is completely placed on the front-rear conveying means 18.

The front and rear transport means 18 on which all the seedling boxes N are placed are:
After moving backward in the backward movement of the horizontal moving means 10 or at the same time, the elevating means 11 is actuated to move up from the front downward inclined position to the ascending horizontal position, and the seedling box N having the same height as the vertical and horizontal transport mechanism 5
Move to a transferable position. When the front / rear transport means 18 reaches the ascending horizontal position, the conveyor structure of the left / right feed portions 5L, 5R of the front / rear transport means 18 and the vertical / horizontal transport mechanism 5 moves rearward, and the left and right front stoppers 43B at the retreat position,
The seedling box N on the front / rear transport means 18 is passed over the top 44B and transferred to the left and right feed units 5L and 5R.

The unloading of the seedling box N from the left feeding section 5L
Left and right front stoppers 43F, 44F and middle right rear stopper 42
R, 42B are arranged in the operation position, and the second seedling box N is stopped from the center feeding portion 5C side with the left stopper 49L, and in this state, the left feeding portion 5L and the center feeding portion 5C are moved backward, and the center is moved. The first seedling box N on the feed portion 5C side is moved onto the central feed portion 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 delivered from the central feeding section 5C to the delivery mechanism 7 and moved to the rear position.

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

The unloading of the seedling box N from the right feeder 5L is substantially the same as that of the left feeder 5L, except that the middle left rear stoppers 42L and 42B are arranged at the operation position, and the right stopper 49
At L, the second seedling box N is stopped from the center feeding section 5C side,
In this state, the right feed unit 5R is moved backward, the center feed unit 5C is moved forward, and the first seedling box N on the center feed unit 5C side is moved.
Is moved onto the central feed portion 5C while being guided by the right rear stopper 44B and the middle front stopper 42F.
B is retracted, the center feeding unit 5C and the delivery mechanism 7 are moved backward, and the seedling box N is delivered from the center feeding unit 5C to the delivery mechanism 7, and further up to the transport conveyor means 54C of the box collection device C at the rear position. Moving.

In the box collecting device C, the seedling boxes N sequentially conveyed by the conveying conveyor means 54C are supplied into the box collecting mechanism 9, lifted up by the box multi-stage 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 operated to simultaneously push all the seedling boxes N backward, and the box collecting frame 15 on the box multistage storage mechanism 19 is moved.
Housed inside. Box collection frame 15 via lateral movement mechanism 97
When the multi-stage seedling boxes N are stored in the collecting sections 15a of the five rows of the box collecting frame 15, the box collecting frame 15 is placed on the box receiving body 14 by a lift vehicle. Then, the empty box collecting frame 15 and the box receiving body 14 are placed in place.

From the front / rear conveying means 18 to the vertical / horizontal conveying mechanism 5
After the seedling box N has been delivered, 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 one or two rows of laid seedling boxes N are moved. At the time of collection, the box collecting device C is connected to the working device A. However, in the 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 may leave.

The seedling box transport processing machine is configured such that the working device A, the box supply device B, and the box collecting device C are independently configured so as to be able to run independently, and can be operated from the operation panel mounted thereon. It is also possible to operate wirelessly, and in the house, an aerial cable or a buried cable is erected, and it is configured so that automatic straight running can be performed while sensing the cable with a sensor provided in the working device A. ing.

Therefore, when changing the laying area / collection area of the seedling box N and entering / leaving the house, the working device A and the box feeding device B or the box collecting device C are individually wirelessly operated, but the connection state is not changed. Then, the electric power supplied to the working device A and either the box supply device B or the box collection device C is supplied to the other, and the other is also driven synchronously. 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 to be laid and collected at one time by the seedling box laying and collecting machine may be set to a large number other than the four seedling boxes across the central sidewalk. The number of sets of the front and rear transporting means 18, the number of the abutting tools 23 of the box aligning means 16, and the number of the hooking tools 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 supply mechanism 8 and the box receiving body 14, the box collecting mechanism 9 and the box collecting frame 15, respectively, is exemplified by 30 stages, but is laid and collected at one time. It is preferable to set a multiple thereof according to the number of seedling boxes N. The vertical and horizontal transport mechanism 5 is formed by a feed portion corresponding to the central feed portion 5C and one of the left and right side feed portions.
May be arranged side by side on the left and right sides, and the seedling boxes N delivered from the front-rear transfer mechanism 6 may be collected only on the left and right sides.

Cylinders 46, 48, 6 provided for each mechanism
2, 67, 68, 113 and actuators 128, 1
Reference numeral 33 and the like may be either a hydraulic cylinder or an air cylinder, or may be other mechanical drive means. The seedling box transfer processing machine is driven by the driving sources 28 and 7 so that it can be used in the house.
Although the electric motors are used for 5, 106, when used outdoors, an engine may be used as a drive source, and wheels may be used instead of the crawler traveling units 32, 77, 102.

A box supply device B having no drive source and crawler traveling unit and a box collection device C are detachably connected to the rear of the work device A, or the box supply mechanism 8 and / or Alternatively, the box collecting mechanism 9 may be mounted.

[0106]

According to the first aspect of the present invention described above, when the seedling box N is used to lay the seedling box N, the seedling box N is moved from the base position by the vertical and horizontal transport mechanism 5 to the transfer position on the left and right sides. The seedling box N is moved laterally from the transfer position, and simultaneously moves a large number of seedling boxes N in the left-right direction to the front and transfers the seedling boxes N to the front-rear transfer means 18 of the front-rear transfer mechanism 6. The front-rear transportation means 18 descends from the same height as the vertical and horizontal transportation mechanism 5 to the vicinity of the ground, and is transferred from the front-rear transportation means 18 to the ground, whereby a large number of seedling boxes N are simultaneously discharged to the ground. Can be laid side by side. On the other hand, when used for collecting the seedling boxes N, the laid many seedling boxes N in one row are simultaneously transferred to the front / rear conveying means 18 close to the ground. After being raised to substantially the same height as the above, the seedling box N is delivered to the delivery position on the vertical and horizontal transport mechanism 5, and is moved from the delivery position to the base position laterally in the left and right direction by the horizontal movement of the vertical and horizontal transport mechanism 5,
A large number of seedling boxes N can be continuously collected.

According to the second aspect, when laying the seedling boxes N, the seedling boxes N are received from the box supply mechanism 8 received in a stacked state.
Sheets are automatically supplied one by one to the base position of the vertical and horizontal transport mechanism 5 via the transfer mechanism 7, and the vertical and horizontal transport mechanism 5 laterally moves from the base position to the transfer position laterally in the left and right direction. The seedling boxes N are simultaneously moved forward and transferred to the front-rear transfer means 18 of the front-rear transfer mechanism 6, and the large number of seedling boxes N in the left-right direction are simultaneously moved by the front-rear transfer means 18 to substantially the same height as the vertical and horizontal transfer mechanism 5. From the front and rear transport means 18 to the ground, and a large number of seedling boxes N can be simultaneously discharged to the ground and laid side by side.

Alternatively, when collecting the seedling boxes N, a large number of seedling boxes N laid in one row are transferred to the front-rear conveyance means 18 close to the ground at the same time. After the seedling box N is raised to substantially the same height as the transfer position, the seedling box N is transferred to the transfer position on the vertical and horizontal transport mechanism 5, and is moved from the transfer position to a base position laterally in the left-right direction by the horizontal movement of the vertical and horizontal transfer mechanism 5. From the position, one sheet at a time is conveyed to the box collection mechanism 9 via the delivery mechanism 7 and can be automatically stored in a multi-stage state.

According to the third aspect, the front-rear transportation means 18 can not only move up and down but also move horizontally back and forth by the horizontal movement means 10, so that the transfer of the seedling boxes N to the ground can be performed more efficiently. According to the fourth aspect, the posture can be changed while raising and lowering the front-rear transport means 18, and the process from the transfer of the seedling box N to the ground to the transfer of the seedling box N to the upper and lower vertical and horizontal transport mechanism 5 can be performed quickly and smoothly. it can.

According to the fifth aspect, the posture changing tool 125 is composed of a sprocket and a chain,
A structure for changing the posture in synchronization with the elevation of the vehicle can be simply and easily configured. According to the sixth aspect, the elevating means 11 has the attitude changing tool 125, and can perform the elevating operation and the attitude change of the front-rear transporting means 18, and the transfer of the seedling boxes N to the ground has a different height in the vertical and horizontal transport. Delivery of the seedling box N to and from the mechanism 5 can also be performed smoothly.

According to the seventh aspect, since the posture changing tool 125 is formed by the actuator, the structure for raising and lowering the front-rear transportation means 18 and the structure for changing the posture can be easily and easily configured. According to the eighth aspect, the front-rear transporting means 18 which moves up and down by the elevating means can be horizontally moved by the horizontal moving means 10, and the horizontal moving means 10 can be simply constructed.

[Brief description of the drawings]

FIG. 1 is a side view of a separated state of a seedling box laying and collecting machine as a seedling box transfer processing machine according to an embodiment of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of the working 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 collection machine.

FIG. 6 is an overall plan view of the working device.

FIG. 7 is a side view of the same.

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

FIG. 9 is a sectional view taken along line XX of FIG. 8;

FIG. 10 is a sectional view taken along line YY of FIG. 8;

FIG. 11 is a sectional view taken along line ZZ of FIG. 8;

FIG. 12 is an enlarged plan view of the vertical and horizontal transport mechanism.

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

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

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

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

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

FIG. 18 is a sectional view taken along line SS in FIG. 16;

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 pick-up operation during hooking.

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

FIG. 22 is an explanatory side view at the time of picking up the box picking operation.

FIG. 23 is an explanatory side view of the box picking-up operation 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 cross section.

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

FIG. 30 is a cross-sectional side view of the box collecting device.

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

[Explanation of symbols]

 2 Traveling machine 5 Vertical and horizontal transport mechanism 6 Forward and backward transport mechanism 7 Delivery mechanism 8 Box supply mechanism 9 Box collecting mechanism 10 Horizontal moving means 11 Elevating means 14 Box receiving body 15 Box collecting frame 16 Box aligning means 17 Box pick-up mechanism 18 Front and rear transport Means 22 Hanging tool 23 Abutment tool A Working device B Box supply device C Box collection device N Seedling box

Claims (8)

[Claims] 1. A seedling box (N) which is supported by a work traveling machine body (A2), can move forward and backward by placing a seedling box (N), and has a large number of seedling boxes (N) in the left-right direction with respect to the ground. A front and rear transport mechanism (6) for simultaneous delivery and a work traveling machine (A
2) A plurality of seedling boxes (N) which are arranged on the upper side and can be moved back and forth in the left-right direction with respect to the front-rear transport mechanism (6), and can be transferred at the same time. And a vertical / horizontal transport mechanism (5) for laterally moving between a base position on the left and right sides, and the forward / backward transport mechanism (6) is capable of placing a seedling box (N) and moving back and forth. A front-rear conveying means (18), a vertical and horizontal conveying mechanism (5) provided between the front-rear conveying means (18) and the work traveling machine body (A2), and moving the front-rear conveying means (18) from a position close to the ground. ), And a raising / lowering means (11) for raising and lowering to approximately the same height. 2. A seedling box (N) on a work traveling machine (A2).
And a front and rear transport mechanism (6) that can move a plurality of seedling boxes (N) in the left-right direction with respect to the ground at the same time, and A vertical / horizontal transport mechanism (5) capable of moving a large number of seedling boxes (N) in the left-right direction back and forth and transferring them simultaneously, and moving the seedling boxes (N) horizontally between a transfer position and a base position halfway in the left-right direction. ) And a delivery mechanism (7) for moving the seedling box (N) between the base position and a position on the rear side thereof, and the forward / backward transport mechanism (6) mounts the seedling box (N). A front-rear transportation means (18) that can be placed and moved back and forth, and a position provided between the front-rear transportation means (18) and the work traveling machine body (A2) to bring the front-rear transportation means (18) close to the ground. Lifting and lowering means (11) that moves up and down to approximately the same height as the upper and lower vertical and horizontal transport mechanisms (5) Working device (A) and; supply vehicle body which is detachably connected to the working vehicle body (A2) (B2)
A box supply mechanism (8) for storing the seedling boxes (N) in a stacked state and supplying the seedling boxes (N) one by one to the delivery mechanism (7) is provided thereon, and a box receiving body capable of being unloaded and loaded. (14) A stacked seedling box supply device (92) for supplying the stacked seedling boxes (N) received on the box receiving mechanism (8) from the box receiver (14).
Or a delivery mechanism on a collection traveling machine (C2) that is detachably connected to the work traveling machine (A2) in place of the box supplying device (B). A box collecting mechanism (9) is provided for supplying seedling boxes (N) one by one from (7) and collecting the seedling boxes (N) in upper and lower stages.
Box collection mechanism (9) on unloadable box collection frame (15)
A box collecting device (C) provided with a box multi-stage storage mechanism (19) for sending and storing a multi-stage seedling box (N) from the plant. 3. The forward / backward transport mechanism (6) is provided between the lifting / lowering means (11) and the work traveling machine body (A2), and moves the forward / backward transporting means (18) and the lifting / lowering means (11) together. 3. The seedling box transfer processor according to claim 1, further comprising a horizontal moving means (10) for horizontally moving in a direction. 4. The lifting / lowering means (11) shifts the front / rear transport means (18) from a substantially horizontal posture to a front position in synchronization with lowering the vertical / horizontal transport mechanism (5) from a position substantially at the same height as the vertical and horizontal transport mechanism (5) to a position near the ground. The seedling box transporting machine according to any one of claims 1 to 3, further comprising a posture changing tool (125) for changing to a downward inclined posture. 5. The lifting / lowering means (11) includes a front / rear transportation means (18) at the front of a support arm (127).
9) so as to be able to swing up and down via a support arm (12).
The base of (7) is turned on the rotating shaft (13) toward the work traveling machine (A2).
1), an elevation actuator (133) for swinging the support arm (127) up and down around a rotation axis (131) is provided, and the horizontal axis (129) is provided with front-rear transportation means (18). The supporting arm (130) that carries the supporting arm (130) is pivotally supported, and the posture changing device (125) includes a rotating shaft (131).
A sprocket (136) substantially concentric with the work traveling body (A2) and immovable with the work traveling body (A2); and a sprocket (13) substantially concentric with the horizontal axis (129) and fixed to the receiving arm (130).
The seedling box transfer processor according to claim 4, comprising: (7) a chain (139) wound around both sprockets (136, 137). 6. The lifting / lowering means (11) sets the forward / backward transporting means (18) in a forward-downward tilting position at a position close to the ground, and in a substantially horizontal position at a height substantially equal to the vertical and horizontal transporting mechanism (5). The seedling box transfer processor according to any one of claims 1 to 3, further comprising a posture changing tool (125) for performing the operation. 7. The lifting / lowering means (11) includes a front / rear transport means (18) at the front of a support arm (127).
9) so as to be able to swing up and down via a support arm (12).
The base of (7) is turned on the rotating shaft (13) toward the work traveling machine (A2).
1), an elevation actuator (133) for swinging the support arm (127) up and down around a rotation axis (131) is provided, and the horizontal axis (129) is provided with front-rear transportation means (18). The supporting arm (130) for supporting the supporting arm (130) is pivotally supported.
7. An actuator provided between the receiving arm and the receiving arm for rotating the receiving arm with respect to the supporting arm.
A seedling box transfer processing machine according to item 1. 8. A support rail (131) that supports the rotating shaft (131) and the lifting / lowering actuator (133) on a moving frame (132), and the moving frame (132) is provided on the work traveling machine (A2) in the front-rear direction. 126), the horizontal actuator (12) for moving the moving frame (132) back and forth between the moving frame (132) and the work traveling machine (A2).
8. The seedling box transport processing machine according to claim 6, wherein 8) is provided.