JPH10210865A - Seedling box ground processor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To independently move a work unit and a main unit by constituting them in different pieces and to perform accompanying traveling by connecting them. SOLUTION: This processor is provided with the work unit 3 capable of independent movement for mounting a seedling box N, carrying it to front and back and carrying it to left and right so as to simultaneously deliver the plural seedling boxes N in left and right directions to a ground surface and the main unit 4 capable of independent self-traveling provided with a delivery mechanism 7 capable of delivering the seedling box N to the work unit 3 and carrying all the seedling boxes N between a rear part position. The work unit 3 is connected to at least one of the left and right of the delivery mechanism 7 of the main unit 4 so as to perform accompanying traveling.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling box-to-ground processing machine for performing processing such as unfolding and collecting such that a plurality of seedling boxes are simultaneously transferred to the ground.

[0002]

2. Description of the Related Art In the raising of rice and vegetables, after germination, seedling boxes are arranged in a house in a unit of several hundreds to 1,000 sheets and are greened and / or hardened. Technology for mechanization has been developed for efficient operation within the system. A technique for unfolding and collecting seedling boxes is disclosed in JP-A-7-17-1.
There is one disclosed in Japanese Patent Application Laid-Open No. 07817. This technology is a traveling device that moves the aircraft forward and backward, a vehicle-mounted unit that mounts a seedling box cart, and selectively transports seedling boxes from the ground to the aircraft and transports seedling boxes from the aircraft to the ground. The seedling box transport device that can perform, the work of loading the seedling box on the body into the seedling box cart on the platform mounting part, and the work of lowering the seedling box loaded in the seedling box cart on the platform mounting part onto the body A seedling box loading / unloading device that can be selectively operated is provided.

[0003]

In the above prior art, almost all devices are of an integral structure, cannot be separated and manufactured and moved, and two sets of seedling box transport devices are provided on the left and right sides. Although the seedling boxes can be unfolded and collected at the same time, it is difficult to construct so that three or more seedling boxes can be unfolded and collected at the same time because there is no mechanism for laterally transporting the seedling boxes. Yes, the number of seedling boxes processed by the seedling box transfer device cannot be increased or the number of seedling boxes can be increased / decreased, but the number of seedling boxes that can be processed simultaneously by one machine cannot be increased / decreased. It is difficult to set the optimum number of processing steps for each.

[0004] A first object of the present invention is to provide a seedling box ground treatment machine in which a work unit and a main unit are separately constructed so as to be independently movable and connected so that they can travel together. A second object of the present invention is to transport seedling boxes one by one from a delivery mechanism having a fixed height of a main unit and arrange them in a horizontal direction. After lowering the arranged seedling boxes to a required height, they are transported forward. The seedling boxes in the left and right direction on the ground simultaneously, pick up the seedling boxes in the left and right direction from the ground at the same time, transport them backward, lift all the seedling boxes to a certain height, and store them in the main unit in a multi-stage state Accordingly, it is an object of the present invention to provide a seedling box-to-ground processing machine capable of simultaneously processing three or more seedling boxes.

[0005] A third object of the present invention is to enable the box supply mechanism and the box collection mechanism to be used alternatively, and to use the box supply mechanism in a stacked state on the box receiving member. Take out the boxes one by one and unfold them.
By collecting the seedling boxes in the upper and lower tiers one by one, and pushing and collecting the seedling boxes in the upper and lower tiers into the frame, collection and deployment of the seedling boxes can be performed simply by replacing the box supply mechanism and the box collection mechanism. To provide a seedling box ground treatment machine.

A fourth object of the present invention is to connect a working unit to either the left or right side of the main unit and to both sides.
An object of the present invention is to provide a seedling box-to-ground treatment machine in which two work units can be connected to either the left or right side of the main unit so that the number of work units can be increased or decreased and the connection position can be changed. A fifth object of the present invention is to provide a seedling box in which another working unit is connected side by side to the working unit connected to the main unit, so that the number of working units and the number of working lines can be doubled. To provide a ground treatment machine.

A sixth object of the present invention is to provide a seedling box which can independently carry in / out a working unit to a house or the like without connecting the working unit to a main unit, and can easily handle the working unit. To provide a ground treatment machine. A seventh object of the present invention is to equip the side of the working unit with an extension working unit so that the number of seedling boxes different from the number of processed sheets set by the working unit and a multiple thereof can be simultaneously processed. To provide a seedling box ground treatment machine.

[0008]

A first concrete means for solving the problems of the present invention is to place a seedling box N so as to simultaneously transfer a plurality of seedling boxes N to the ground in the left-right direction. The work unit 3 which can be transported back and forth and left and right and independently movable, and a delivery mechanism 7 which can transfer the seedling boxes N to the working unit 3 and transport all the seedling boxes N to and from a rear position. And a main unit 4 capable of independent self-running, and the working unit 3 is connected to at least one of the right and left sides of the delivery mechanism 7 of the main unit 4 so as to be able to travel together.

As a result, the working unit 3 and the main unit 4 are configured separately, move independently, and are connected and run together. A second specific means for solving the problem in the present invention is that a seedling box N is placed on the work traveling machine A2 and is movable back and forth, and a plurality of seedling boxes N in the left-right direction with respect to the ground. Transport mechanism 6 for simultaneous delivery of
A vertical and horizontal transport in which all the seedling boxes N can be moved back and forth with respect to the front and rear transport mechanism 6 and can be transferred at the same time, and the seedling boxes N are horizontally moved between the transfer position and the base position on the lateral side. The working unit 3 includes a mechanism 5 and a box pick-up mechanism 17 that lifts the seedling box N deployed on the ground and transfers the seedling box N to the back-and-forth transport mechanism 6. The vertical and horizontal transport mechanism 5 moves the entire seedling box N back and forth. And a vertical transport means 5A for transferring to the front-rear transport mechanism 6, and capable of ascending and descending with respect to the vertical transport means 5A, and lowering to a position where the vertical transport means 5A overlaps to deliver the entire seedling box N and It has a horizontal transporting means 5B for laterally moving at the ascending position, and an elevating means 5C for elevating and lowering the horizontal transporting means 5B, and is disposed on the main traveling body B2 at one base position of the laterally transporting means 5B at the ascending position. Horizontal transport means 5B A delivery mechanism 7 for transferring the seedling boxes N one by one and moving the seedling boxes N to a position behind the seedling boxes N is provided, and the seedling boxes N are stored in a stacked state in the main traveling machine B2. A box supply mechanism 8 for supplying the seedling boxes N to the delivery mechanism 7 one by one, and a box collection mechanism 9 for receiving the seedling boxes N one by one from the delivery mechanism 7 and storing them in a multi-stage state can be used. The main unit 4 is provided, and the working unit 3 is connected to at least one of the left and right sides of the delivery mechanism 7 of the main unit 4 so as to be able to travel together.

Thus, when the seedling box N is used to expand the seedling box N, the seedling box N is fed out from the box supply mechanism 8 and supplied to the vertical and horizontal transport mechanism 5 via the delivery mechanism 7, and is positioned at the required height. The horizontal transport means 5B of the vertical / horizontal transport mechanism 5 moves laterally to the left and right, and is lowered by the lifting / lowering means 5C until it overlaps with the vertical transport means 5A. A plurality of seedling boxes N in the left-right direction are simultaneously moved to the front from the vertical conveying means 5A and transferred to the front-rear conveying mechanism 6, and all the seedling boxes N are simultaneously released from the front-rear conveying mechanism 6 to the ground and arranged side by side. Will be expanded to.

On the other hand, the seedling box N
When used to collect the seedlings, a plurality of seedling boxes N on the ground in the left-right direction are simultaneously picked up on the front-rear transfer mechanism 6 by the box pick-up mechanism 17, and moved backward by the front-rear transfer mechanism 6 and the vertical transfer means of the vertical and horizontal transfer mechanism 5. The seedling box N is delivered to the delivery position on the vertical transport means 5A by the backward movement of 5A,
When the horizontal transport unit 5B is raised from the lowered position where the horizontal transport unit 5B overlaps the vertical transport unit 5A by the operation of the lifting / lowering unit 5C, the seedling box N is lifted from the vertical transport unit 5A by the horizontal transport unit 5B, and the horizontal transport unit 5B is lifted. Is operated, the seedling boxes N are sequentially moved onto the delivery mechanism 7 on the left and right sides, and are transferred to the box collection mechanism 9 by the delivery mechanism 7 and stored in a multi-stage state.

A third specific means for solving the problems in the present invention is the main unit 4 in addition to the first or second specific means, wherein the main unit 4 is provided with a forwardly projecting delivery at a front portion of the main traveling body B2. The mechanism 7 is disposed, a lateral movement mechanism 97 for stacking the box receiving bodies 14 and changing the position in the left-right direction is provided at the rear part, and the seedling boxes N are stored in a stacked state in the middle part, and the seedling boxes N are transferred to the delivery mechanism 7. A box collection mechanism 9 for supplying seedling boxes N one by one from a box supply mechanism 8 for supplying one by one and a collection means 9 for collecting the seedling boxes N in upper and lower tiers one by one is provided interchangeably. 14, a seedling box N in a stacked state and a frame 103 for storing the seedling boxes N in a multi-tiered manner with a vertical interval are selectively placed. A stacked seedling box feeding means 92 for feeding the box feeding mechanism 8 from above the box receiver 14; Pusher means 1 for collecting mechanism 9 which pushes the seedling box N recovered vertically multiple stages in frame member 103
05.

In this way, when the seedling box N is unfolded, the box feeding mechanism 8 is kept in a used state, and the seedlings in the stacked state are transferred from the box receiving body 14 via the lateral moving mechanism 97 and the stacked seedling box feeding means 92. The boxes N are taken out, conveyed one by one via the box supply mechanism 8, and when collecting the seedling boxes N, the box collection mechanism 9 is used instead of the box supply mechanism 8, and the box collection mechanism 9 is used. , The seedling boxes N are collected one by one in the upper and lower tiers, and the upper and lower tiered seedling boxes N are collected through the pusher means 105 into the box collecting mechanism 9.
From the frame holder 103 placed on the box receiver 14 and collected.

A fourth specific means for solving the problem in the present invention is a connecting portion 127 for connecting the working unit 3 to the left and right of the delivery mechanism 7 in addition to any one of the first to third specific means. Are provided on the left and right sides of the work unit 3,
That is, a connecting portion 24 that connects to the connecting portion 27 is provided. Thereby, the working unit 3 can be connected to both the left and right sides of the main unit 4 and one working unit 3
Can be connected to either the left or right side of the main unit 4.

A fifth concrete means for solving the problem in the present invention is a work unit 3 connected to the main unit 4 in addition to any one of the first to fourth concrete means.
The work units 3 for transferring the seedling boxes N between each other are connected side by side. Thus, the work unit 3 can be connected to the work unit 3 to double the number of work steps.

A sixth specific means for solving the problem in the present invention is that, in addition to any one of the first to fifth specific means, the working unit 3 includes a self-propelled device 13A driven by a prime mover. That is. by this,
The loading and unloading of the working unit 3 to and from a house or the like can be performed independently and easily.

According to a seventh concrete means for solving the problem in the present invention, in addition to the second concrete means, the working unit 3 comprises a front / rear transport mechanism 6, a vertical / lateral transport mechanism 5, and a box pick-up mechanism 17. In order to additionally process at least one seedling box N on the side, an extension front / rear transport mechanism 6E, an extended vertical / horizontal transport mechanism 5E, and an extension box pick-up mechanism 17E are provided detachably.

This makes it possible to equip the side of the working unit 3 with the extension working unit 3E to simultaneously process the seedling boxes N of a number different from the number of processings set by the working unit 3 and a multiple thereof. .

[0019]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 to 5 show an entire seedling box unfolding and collecting machine which can be changed to a seedling box unfolding machine and a seedling box collecting machine as a seedling box-to-ground processing machine. This seedling box unfolding and collecting machine has a configuration in which 5 to 10 seedling boxes N on each side can be unfolded and collected simultaneously side by side while forming a sidewalk in the center.

The seedling box unfolding and collecting machine comprises at least one work unit 3 and a main unit 4, and a box supply mechanism 8 and a box collection mechanism 9 can be selectively mounted on the main unit 4. By mounting the box supply mechanism 8 on the main unit 4, a seedling box unfolding machine (shown in FIG. 4) is obtained.
Is attached, a seedling box collecting machine (shown in FIG. 5) is obtained, and the working unit 3 alone can unfold and collect a number of seedling boxes N that can be placed thereon, and can be used alone.

In FIGS. 1 to 23, the work unit 3 is roughly divided, and a seedling box N is placed on the work unit 3 so that distribution from the base position on one side in the left-right direction to the transfer position and collection from the transfer position to the base position are possible. And a vertical and horizontal transport mechanism 5 that can be moved back and forth at the transfer position, and a front and rear transport that can transfer the placed seedling box N to the ground, where the seedling box N can be placed and transferred to the vertical and horizontal transport mechanism 5 The mechanism 6 and a box pick-up mechanism 17 for lifting the seedling box N spread on the ground onto the front-rear transport mechanism 6
And these are mounted on the work traveling machine body A2.

In the present invention, the front side is a side where the seedling box N is deployed, and the working unit 3 moves backward at the time of deployment.
Move forward at collection. In addition, when the working unit 3 is connected to the main unit 4, the base position is a position on the delivery mechanism 7 of the main unit 4 which is arranged at an outer position on one side end of the vertical and horizontal transport mechanism 5. 3 is used alone, it is located on one side end of the vertical and horizontal transport mechanism 5 and the seedling box N is artificially supplied and taken out on one side end of the vertical and horizontal transport mechanism 5. .

In FIGS. 1 to 13, the work traveling machine body A2 has a caster-type front wheel 26 and a rear wheel 27 in a machine body 25, and can be pushed vertically and horizontally by hand, as shown in FIG. The front wheel 26 has a front wheel support 131 pivotally supported on a longitudinal axis 132, and a bracket 133 provided on the front wheel support 131 is coupled to the machine body 25 with a pin 134 so that the vehicle can travel forward and straight.

The left and right sides of the machine main body 26 are formed with connecting portions 24 projecting left and right from front to back, so that the working unit 3 and the main unit 4 can be connected and the working units 3 can be connected side by side. . A vertical and horizontal transport mechanism 5 is disposed on the machine main body 25.
The vertical transport means 5A which simultaneously moves the seedling boxes N back and forth and transfers the seedling boxes N to the forward and backward transport mechanism 6; A lateral transport unit 5B for transferring the entire seedling box N and moving the entire seedling box N laterally at the ascending position;
And lifting means 5C for lifting and lowering.

The vertical conveying means 5A is a belt conveyor in which five sets are arranged, supports three front and rear rotation shafts 28 via brackets erected on the machine main body 25, and controls the rear rotation shaft 28 by a motor 29. When driven, a belt 30 is wound around a pulley provided on each rotation shaft 28, and one seedling box N is placed and transported by two belts 30 arranged at an interval in the left-right direction. It has become.

The horizontal conveying means 5B is a roller conveyor having a length corresponding to the left and right lengths of the vertical conveying means 5A. A plurality of rollers 32 rotatable around the front and rear axes are supported on a conveyor frame 31. The plurality of rollers 32 use a rotation roller (a roller with a built-in motor) and are rotatable. A timing belt is wound around all the rollers 32, and all the rollers 32 are rotated synchronously by the rotation rollers.

The rollers 32 are all disposed between the belts 30 of the vertical conveying means 5A, and at a lowered position, the rollers 32 are positioned lower than the upper surface of the belt 30.
0 and the stacking state is set in the height direction.
Can be transferred to and from the belt 30. Lifting means 5
C is an elevator type, and a mounting body 38 is erected on the rear part of the conveyor frame 31 of the horizontal conveying means 5B, and a guide column 33 made of a shaped steel material erected on the work traveling machine body A2.
A mounting body 38 is guided via a roller so as to be able to move up and down, and a chain 35 of an elevator driving tool 34 is connected to the mounting body 38.

The elevator driving tool 34 is a work traveling machine A
Up and down shafts 36 provided on the upper end 2 of the guide support 33
A and 36B are provided with sprockets, and a chain 35 wound between upper and lower sprockets is connected to a mounting body 38. A motor 37 is mounted on a receiving base 49 fixed to the machine body 25, and the lower shaft 36A is Are driven forward and backward to push and pull the chain 35 to move the conveyor frame 31 up and down. The pedestal 49 also serves to mount the rear wheel 27.

The raising and lowering means 5C raises and lowers the rollers 32 of the horizontal transporting means 5B from a lowering position located below the upper surface of the belt 30 to a raising position of an upper required height (for example, about the waist height of a person or about 1 m). I do. And the horizontal transport means 5B
When the seedling box N is lowered with the seedling box N placed thereon, the seedling box N is transferred to the vertical transport means 5A, and when the seedling box N is lifted from the lowered position with the seedling box N placed on the vertical transport means 5A, The seedling box N is lifted to enable the lateral transfer means 5B to move the seedling box N left and right.

A stopper 40 is provided on the square of the conveyor frame 31 of the horizontal transport means 5B via a vertical axis 39, and the vertical axis 39 is rotated via an actuator such as a motor or solenoid (not shown). With the stopper 40
Can be changed to a required posture, such as a posture for restricting the lateral movement of the seedling box N, a posture for restricting the backward movement, and a posture for guiding deployment and collection.

That is, in FIGS.
When the seedling box N is supplied to the lateral transporting means 5B from the above, the stopper 40 on the outer end side of the lateral transporting means 5B is set to the restricting posture of 40a so that the seedling box N does not fall outward from the conveyor frame 31, When transferring the seedling box N transferred to the vertical transfer means 5A to the front and rear transfer mechanism 6, the stopper 40 on the front side is set to 40b.
When the seedling box N is guided toward the center in the left-right direction of the front-rear transfer means 18 and the seedling box N is transferred from the front-rear transfer means 18 to the vertical and horizontal transfer mechanism 5, the front side is The stopper 40 is set to the collecting guide posture of 40c at the forward spread and the rear stopper 40 is set to the restricting posture of 40d, and the seedling box N falls rearward from the vertical and horizontal transport mechanism 5 while moving toward the left and right center of the vertical transport means 5A. I try not to.

At the front of the conveyor frame 31, a small-diameter roller 136 (shown in FIGS. 6 and 8) for facilitating the transfer of the seedling box N to the front-rear transport means 18 is provided.
A transfer roller 137 (see FIGS. 10 and 12) for facilitating the transfer of the seedling boxes N between the horizontal transport means 5B when the work units 3 are connected side by side to the side of the conveyor frame 31.
13) is provided detachably, and the transfer roller 137 is removed when unnecessary.

In FIGS. 1-7 and 12-16, the front-rear transfer mechanism 6 includes a front-rear transfer means 18 capable of placing a seedling box N and moving back and forth, and the front-rear transfer means 18 and the work traveling machine A2.
And a horizontal moving means 10 for horizontally moving the front-rear transport means 18 in the front-rear direction. The front / rear conveying means 18 is formed by a belt conveyor, and
Five rows of belt conveyors 42 are supported by one, and are simultaneously driven by a motor 43 provided under the support frame 41. Five seedling boxes N are placed and simultaneously transported in the front-rear direction. It is possible.

In the belt conveyors 42 in each row, two pairs (42A, 42B) are arranged in a straight line with the rollers 44 interposed therebetween, but may be one long one. However, if two pairs (42A, 42B) are provided in front and rear, the front belt conveyor 42A is bent downward and steeply inclined, the rear belt conveyor 42B is tilted downward slowly and gently, and the rear belt conveyor 42B Between the seedling box N and the vertical conveying means 5A
Smooth delivery without shock is possible.

A pair of left and right grounding wheels 45 are provided below the support frame 41, and box aligning means 16 is attached to the front portion corresponding to the belt conveyors 42 in each row. The box aligning means 16 is positioned close to the ground on an extension of the belt conveyor 42, and is provided with a plurality of rearwardly projecting abutments 23 formed of substantially C-shaped or U-shaped sheet metal in side view. The bar 138 is fixed, and the bar 138 is pierced through the front portion of the support frame 41 so as to be movable back and forth, and the contact member 23 is urged forward by a spring 139 fitted to the bar 138.

The box aligning means 16 makes contact with the seedling box N discharged by the contacting tool 23 to the ground by moving forward, and elastically pushes the seedling box N, and pushes a plurality of seedling boxes N in the left-right direction to move back and forth. The positions are aligned, and the front-rear spacing with the seedling box N that has already been deployed is eliminated. Further, the upper surface of the abutment member 23 also serves to reduce the head when the seedling box N is discharged from the belt conveyor 42 to the ground.

The horizontal moving means 10 has an air cylinder 46 pin-connected to the rear part of the support frame 41, and a pair of left and right guide rods 47 pin-connected similarly. , And a pair of left and right guide rods 47 are guided by the main body 25 so as to be slidable back and forth. The front-rear transportation means 18 is connected to the machine body 25 by the horizontal movement means 10, and is inclined forward and downward when the grounding wheel 45 is in contact with the ground, and is movable in the front-rear horizontal direction by the operation of the air cylinder 46. The operation of the box aligning means 16 and the box pick-up mechanism 17 is enabled.

An actuator is provided between the support frame 41 and the pair of left and right guide rods 47 for rotating the front end of the support frame 41 upward, and when the work unit 3 is carried in and out of the house, It is preferable that the grounding wheel 45 and the contact member 23 can be retracted upward.
A box guide plate 48 is provided on the upper surface on the left and right sides of the support frame 41 of the front-rear transport means 18. This box guide plate 4
Numeral 8 is spread forward to guide the seedling box N at the time of collection.

The horizontal conveying means 5B and the front and rear conveying means 18
The conveyor frame 31 and the support frame 41 form the minimum required horizontal width, and the five seedling boxes N to be processed simultaneously are processed in an adjacent state, and the width of the seedling boxes N approximates the width of the five seedling boxes N. Width. Conveyor frame 31 and support frame 41
The vertical transport means 5 including the motor 29 within such a width of
A, lifting / lowering means 5C having cradle 49, front / rear transportation means 1
Eight motors 43, horizontal moving means 10, etc. are arranged to form a compact working unit 3 in the left-right direction.

In FIGS. 1-3, 5, 16, 18-23, the box pick-up mechanism 17 is provided on the front frame 56 protruding forward from the left and right sides of the machine body 25, and five sets of left and right are provided. Hook 2 for hooking the periphery Na of N from below
2 and lifting means 51 for raising and lowering the hook 22. The hook 22 includes a plurality of hooks 153 for hooking the periphery Na of the seedling box N from below, and each hook 153 is connected to a seedling box. Interference avoiding means 53 for avoiding interference of N with peripheral rib Nb
And

The front frame 56 has an L-shape in a side view and a gate shape in a plan view, and its left and right ends are fixed to the machine main body 25 or detachably attached via bolts or pins. On the left and right sides of the front frame 56, the front frame 5
A wheel 52 supporting a weight of 6 is provided. In the elevating means 51 of the box pick-up mechanism 17, five guide rails (guide bodies) are provided on the left and right sides of the front portion of the front frame 56.
60 is fixed and one lift cylinder 62 with brake
Are supported, and two guide rods 59 are guided so as to be able to move up and down, and a lift 61 is attached to the lower ends of the two guide rods 59. A piston rod is connected.

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
Is changed from a substantially vertical posture to a forward leaning posture.

The elevating cylinder 62, the vertical cylinder 67, and the like are actuators of the elevating means 51, and the guide rail 60, the connecting member 63, the swinging member 64, the roller 65, and the like tilt the holding member 22 forward and downward. Means are configured. 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 hold the vertical cylinder 67 and the front-rear movement cylinder 68, respectively. The member is guided to be movable in the longitudinal direction.

A substantially triangular side plate 72 is mounted on the left and right sides of the mounting base 69.
A and 73B are provided, and these wheels 73A and 73B are grounded and follow the ground, and maintain the position and posture of the hook 153 with respect to the ground. A rectangular support 145 is supported on the mounting base 69, and a back plate 146 is mounted behind the support. The support 145 is attached to the mounting base 69 by screwing a nut to 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 pair of elastic receiving members 148 are elastically held at 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 inside of the nail attachment body 150 is hollow, and the upper part is the holding plate 15.
2 and the front surface is open, and the bases of four hooks 153 are pivotally supported in the hook mounting body 150 via pins 156 so as to be able to swing in the left-right direction.

The holding plate 152 is provided with a stopper pin 157 for restricting the swing of each hook 153 in one direction and setting it to a forward position.
A leaf spring (biasing member) 158 is provided to bias each hook 153 in a direction in which it comes into contact with the stopper pin 157, and the hook 153 can escape in another direction. This hook 1
Reference numeral 53 denotes an upwardly projecting shape which hooks a portion of the seedling box N, whose front end is a downward flange of the peripheral edge Na of the seedling box N, from the lower side in a side view.
The seedling box N has a pointed shape having an inclined surface 153a on the surface on the seventh side.
When the inclined surface 153a abuts on the rib Nb on the back side of the downward flange, the inclined flange 153a swings in the escape direction against the leaf spring 158 so as to avoid the rib Nb and engage with the peripheral edge Na.

The support 145, the support rod 149, the claw mounting body 150, the spring 151, the holding plate 152, the hook 153, etc., together constitute the hook 22 and make the hook 153 swingable. Configuration, inclined surface 153a,
The stopper pin 157, the leaf spring 158 and the like constitute an interference avoiding means 53 for engaging the hook 153 with the peripheral edge Na while avoiding interference with the rib Nb.

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. The latch 22 has a hook 153.
Has a detachment restricting means 54 for restricting the escape of the peripheral Na so as to prevent the seedling box N from detaching when it is hooked from below on the peripheral Na of the seedling box N.

The release restricting means 54 is provided for each holding plate 15.
2, a bracket 159 is erected, and the bracket 159
An air cylinder 160 or an elevating actuator formed by a solenoid or the like is attached to the
A pressing member 161 is provided at the lower end of the rod, and the pressing member 161 lowers the upper escape regulating portion 161a approaching the upper surface of the peripheral edge Na and the escape regulating portion 161b before entering the inner side (seedling side) of the peripheral edge Na. The front escape restricting portion 161b is formed by attaching a pair of left and right pins to the pressing member 161.

Therefore, the hook 153 is connected to the periphery Na of the seedling box N.
Air cylinder 1 while hooking it from below
When the pressing member 161 is moved down to lower the pressing member 161, the pressing member 161 is close to the upper surface of the peripheral edge Na, and the upper escape restricting portion 161 a is coupled with the hook 153 to clamp the peripheral edge Na, or at least in the upward direction of the peripheral edge Na. , And the front escape restricting portion 161b enters the inside of the peripheral edge Na to prevent the seedling box N from escaping forward,
The hook between the hook 153 and the periphery Na of the seedling box N is ensured.

The box pick-up mechanism 17 of this embodiment lowers the elevating table 61 to the lower limit position of the elevating cylinder 62, and lowers the hooks 22 by lowering the weight of the vertical cylinders 67. 73 is independently grounded to the ground, and wheels 7
When the front and rear moving cylinder 68 is operated to protrude while the ground 3 is grounded, or when the work traveling machine body 2A is moved forward while the front and rear moving cylinder 68 is in the protruding operation state, the hook 2
The hook 153 at the front end of the second abutment comes into contact with the unfolded seedling box N, and the claw mounting body 150 elastically moves rearward, and the seedling box detection sensor 154 detects it and projects or moves the forward and backward moving cylinder 68. The forward movement of the body 2A is stopped (FIGS. 20, 22).
State).

At this time, even if the front and rear positions of the unfolded seedling box N are not aligned on the left and right, the seedling box N is absorbed by the back and forth movement of the claw mounting body 150 via the spring 151,
Even if the seedling box N is inclined, the support 145 swings through the vertical axis 147 and the pair of left and right elastic receivers 148 to be absorbed, and the four hooks 153 engage with the peripheral edge Na of the seedling box N. I do.

When one of the four hooks 153 comes into contact with the peripheral rib Nb of the seedling box N, the hook 153 is moved by the action of the inclined surface 153a of the interference avoiding means 53.
Rocking against the peripheral rib Nb to avoid the peripheral rib Nb.
Enter underneath. With the hook 22 stopped moving forward, the vertical cylinder 67 is actuated to slightly raise the hook 22, so that all hooks 153 lower the lower flange of the periphery Na of the seedling box N. Then, the hook 22 is raised by the lifting cylinder 62 to lift the rear portion of the seedling box N.

In parallel with this or after lifting the rear portion of the seedling box N, the release restricting means 54 is operated to press the holding member 16.
1, the pressing member 161 is brought close to the upper surface of the peripheral edge Na to secure the hook between the hook 153 and the peripheral edge Na of the seedling box N. As the hook 22 rises, the roller 65
The rocking member 64 swings while ascending, and the front-rear moving cylinder 68 and the hooking member 22 are inclined forward and downward so as to be 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.
At 0, it is inserted and moved so as to be scooped below all the hooks 22 (the state of FIG. 22). At this time, since the front and rear transport means 18 comes into contact with the seedling box N, even if there is a movement such that the peripheral edge Na is detached from the hook 153, the detachment restricting means 54 prevents the movement. With the rear half of the seedling box N arranged to be scooped on the front and rear transport means 18, the vertical cylinder 67 is moved down and the detachment restricting means 54 is released to move the entire seedling box N to the front and rear transport mechanism 6. 153 and the seedling box N
Is released from the seedling box N and the elevating cylinder 62 is actuated. (FIG. 23).

The seed box unfolding operation can be performed while the box pick-up mechanism 17 is mounted on the work traveling machine A2. As the box pick-up mechanism 17, a large number of hooks 22 are attached to the lifting platform 61 or the swinging tool 64, and the engagement and disengagement of the hooks 153 with respect to the seedling box N is performed by the operation of the lifting / lowering cylinder 62 and the travel of the work traveling machine 2A. Alternatively, instead of the guide rail 60 of the tilting means, a cylinder may be provided between the connecting tool 63 and the swinging tool 64, or the lift cylinder 6 may be provided.
2 may be provided in a forward leaning posture.

A seedling box detection sensor may be provided on the front frame 56, and the seedling box N may be detected in front of the hook 153 to stop the forward movement of the working unit 3.
The hook 22 can be formed by using a plurality of hooks 153 other than four, or by directly attaching the hook 153 to the mounting base 69, and instead of the hook 153 or the hook 22. It is also possible to change the box pick-up mechanism 17 to the box aligning means 16 by attaching the abutment 23 to the box.

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 working unit 3 can be formed in a size that can simultaneously process 1 to 4 or 6 or more seedling boxes N. The working unit 3 for simultaneously processing 3 or more sheets can be used alone or in the main unit 4. The one or two-sheet processing unit is used by being connected to the work unit 3 connected to the main unit 4.

The main unit 4 is shown in FIGS.
3, 24 to 32, a delivery mechanism 7 at the front of the main traveling body B2, a box holder support mechanism 12 at the rear,
A box supply mechanism 8 and a box collection mechanism 9 are provided in the middle part thereof so that they can be used alternatively. The work unit 3 is connected to at least one of the left and right sides of the main unit 4 so as to be able to travel together. In the embodiment, the work unit 3 is paired on the left and right, and is the same or different on either side of the left or right work unit 3. The work units 3 for processing the number of seedling boxes N are connected in a side-by-side state, and both working units 3 transfer the seedling boxes N between the horizontal transport means 5B.

The main traveling body B2 is provided with a driving source 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 running units 77 are driven by a hydraulic motor. The self-propelled device 13B is provided so that the running and steering can be performed independently. The delivery mechanism 7 is shown in FIGS.
As shown in FIGS. And a feeding means 7B for moving the seedling box N between the distributing means 7A and a position behind the distributing means 7A.

The distributing means 7A includes a roller conveyor 117 having a plurality of self-rotating rollers 116 with a built-in motor, and a chain conveyor having pawls 118 on a distribution frame 115 provided on a front protruding portion 76a at the front of the machine body 76. 1
19 are provided. The rotation roller 116 is arranged in parallel with the roller 32 with the axis thereof oriented in the front-rear direction, and when the horizontal conveying means 5B is at the raised position, the roller 32 becomes substantially the same as the rotation roller 116, and N is delivered.

The chain 120 of the chain conveyor 119
Are disposed between the rotation rollers 116 and the distribution frame 115
And a plurality of pawls 118 provided at one or a distance from each other. Can be driven.

The feed means 7B is formed by a roller conveyor supported by a feed frame 122, and the rollers 124 are driven via a motor and a chain transmission means (not shown). Located, seedling box N
Can be conveyed in the front-rear direction, and the rear portion of the chain conveyor 119 is arranged to overlap with the front portion of the feeding means 7B.

The seedling box N supplied from the rear onto the feeding means 7B is fed by the rollers 124 until it reaches the chain conveyor 119, and is pushed by the claws 118 of the chain conveyor 119 to be provided at the front of the distribution frame 115. Stopper 1
It is moved until it comes into contact with 25. In this state, the seedling box N
The sheet is completely transferred onto the roller conveyor 117, and is distributed and supplied to the horizontal conveying means 5B of each of the left and right working units 3 by rotating the roller conveyor 117 forward and backward.

The transfer of the seedling box N from the horizontal transfer means 5B to the feed means 7B is the reverse of the above operation, and the roller conveyor 11
7 and the seedling box N taken in by the chain conveyor 1
19 is pushed by the pawl 118 onto the roller 124. A front protruding portion 7 supporting the delivery mechanism 7 of the main traveling body B2
6a is provided with a pair of front and rear connecting portions 127 on the left and right. The connecting portion 127 of the work traveling machine body A2 can be connected to the connecting portion 127.

That is, as shown in FIGS.
These connecting portions 127 and 24 have a bifurcated shape on the left and front sides, are formed of a single plate on the right and front sides, are formed with a front opening groove a on the right front side, and are formed with bolt holes b on the other.
When connecting the work traveling body A2 to the main traveling body B2, bolts (or pins) may be inserted into the respective left front bolt holes b, and the respective right front grooves a may be engaged with the bolts. The bolts are inserted while aligning the bolt holes b on the rear side.

When the work traveling machine A2 is further connected to the work traveling machine A2 connected to the main traveling machine B2, the same operation as described above is performed. Further, the work traveling machine A2 can be connected to either the left or right of the main traveling machine B2 or another work traveling machine A2. FIG. 17 shows a connecting tool 1 for moving the working unit 3 with the traveling power of the main unit 4 by using the connecting portions 127 and 24 at the time of loading and unloading into the house.
28 and 129 are shown.

The first connecting member 128 is connected to the main traveling body B2.
And a rear connecting portion 128a which is fitted to the front protruding portion 76a from the front side and connected to the left and right front connecting portions 127 by bolts, and a rear connecting portion 128a which is connected to the front and rear connecting portions 127 by bolts. Left and right connecting portions 24
And a front connection portion 128b for bolt connection. The second connecting member 129 is for connecting the work traveling machine A2 to the work traveling machine A2 in a forward series, and is connected to the main traveling machine B.
2 is connected from the front side to the work traveling machine body A2 connected to the front side 2 and is bolt-connected to the left and right front side connection sections 24.
And a front connection portion 129b that is fitted to the second work traveling machine body A2 from the rear side and is bolted to the left and right rear connection portions 24.

By using the first and second connecting members 128 and 129, a plurality of working units 3 can be connected in series to the main unit 4, and the main unit 4 is driven into a narrow house. The work unit 3 can be carried in only by power, the work unit 3 is disconnected in series in the house, and is manually pushed and moved to be connected to the main unit 4 side by side using the connection parts 127 and 24 side by side. .

The box supply mechanism 8 is a mechanism for storing the seedling boxes N in a stacked state and supplying the seedling boxes N to the delivery mechanism 7 one by one. Transport conveyor means 75 formed of a wheel conveyor or a roller conveyor or the like disposed on the upper portion of the machine base 74; and box holding means provided on a frame 78 disposed over the transport conveyor means 75. 79 and a lifting means 80 which moves up and down to a position where the seedling box N on the transport conveyor means 75 is held by the box holding means 79.

The frame frame 78 is open on the rear side, so that seedling boxes N stacked in, for example, 30 tiers can be inserted from behind while placed on the conveyor means 75. 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 hold the periphery Na of the seedling box N, and can hold the laminated seedling box N at a height more than one seedling box N from the conveyor means 75.
By retreating by the retracting means 82, the laminated seedling box N which is being held can be opened. 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 lift means 80 is located below the conveyor means 75 and has a lift table 83 which can project upward from between the wheels of the conveyor means 75, and a lift drive means 84 which moves up and down the lift table 83. ing. The lift base 83 is guided by a machine base 74 so as to be lifted and lowered. A lift drive unit 84 drives a cam plate 85 that comes into contact with a cam follower on the lower surface of the lift base 83 with a motor or the like to move the lift base 83 up and down. Has become. The lift driving means 84 can be constituted by a hydraulic cylinder or the like.

The lifting means 80 holds the left and right holding members 81 backward, and the transport
8 is lifted by operating the lift driving means 84 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 75, so that the seedling box N at the lowermost position is placed on the conveyor means 75 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 box supporter support mechanism 12 includes a lateral movement mechanism 97 on which the box supporter 14 can be placed and laterally moved, and a stacked seedling box N lifted from the box supporter 14 on the lateral movement mechanism 97 and moved forward. And a stacked seedling box feeding means 92 for feeding.

The box receiving body 14 is a pallet that can be inserted into a fork claw used in the greening process.
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.
A mounting movable table 91 having front and rear rails engaging with the first movable member 0 is disposed so as to be movable in the left-right direction, and a driving means 168 for driving the mounting movable table 91 on the frame 89 is provided.

The driving means 168 wraps a chain 169 around a sprocket supported by the frame 89, connects the chain 169 to the mounting / moving table 91, and
At 0, the sprocket is driven, and the mounting moving table 91 having the front and rear rails is pulled and moved by the chain 169 without moving the driving means 168.

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 holder 14 at an appropriate position in the front-rear direction and the left-right direction. The supply of the stacked seedling boxes N from the box receiving body 14 to the transport conveyor means 75 is performed by the stacked seedling box feeding means 92 arranged inside the frame 89. This stacked seedling box feeding means 92
Is configured such that a belt conveyor 95 driven by a motor 94 is supported on a lifting table 93, and the lifting table 93 is raised and lowered by lifting means 96. The elevating means 96 vertically drives a rod fixed to the elevating table 93 by a motor via a rack and pinion.

The driving means 168 and the elevating means 96 include
Although an electric motor is used, it may be configured to operate with an air cylinder or a hydraulic cylinder. The box holder 1
Reference numeral 4 denotes a window 14 on which five sets of the stacked seedling boxes N can be placed, and the belt conveyor 95 can show a face in correspondence with each seedling box placement position.
A is formed, and the stacked seedling box feeding means 92
When the elevator 93 is lifted by the lifting means 96 from the state shown by the solid line, the belt conveyor 95 rises from the window 14A to lift the stacked seedling box N (the state shown by the two-dot chain line in FIG. 27 and the solid line in FIG. 28), and When driven in this state, the stacked seedling boxes N can be sent forward, and can be transferred to the conveyor means 75.

The horizontal moving mechanism 97 takes out the stacked seedling boxes N from the end in the order of 5, 3, 1, 2, and 4 from the end in order to balance left and right when the stacked seedling boxes N are taken out. 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 as 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 of the main unit 4 can be supported.

The box receiving body 14 has a seedling box N in a stacked state.
In place of the above, a box collecting frame 15 for storing the seedling boxes N in multiple tiers at an up-down interval can be placed. When collecting the seedling boxes, the box collecting frame 15 is placed and the same as described above. Then, the lateral movement by the lateral movement mechanism 97 is performed. The box collecting mechanism 9 is shown in FIGS.
Are supplied one by one, and the seedling boxes N are collected in multiple stages in the vertical direction, and are mounted on the machine body 76 instead of the box supply mechanism 8.

The box collecting mechanism 9 is provided on a machine frame 101 detachably attached to the machine body 76, with a wheel conveyor,
Conveying conveyor means 102 formed by a roller conveyor or the like
And a frame frame 103 laid over the transport conveyor means 102 and a seedling box N supported by the frame frame 103 and having growing seedlings on the transport conveyor means 102, spaced one by one. Lifting box multi-stage lifting means 1
04 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 winds a chain 109 around a plurality of front and rear sprockets fixed to upper and lower shafts 107 and 108 supported on the left and right sides of the frame 103, and places the side chains of the seedling box N around the front and rear chains 109. Metal fittings 110 for holding the seedlings N are arranged at regular intervals, and they are arranged to face left and right, and the seedling box N is lifted up from the conveyor means 102 by the left and right holding metal fittings 110. Can be collected at intervals, for example, in 30 stages.

The pusher means 105 is of a two-stage push type, and includes a pusher body 112 which comes into contact with all the seedling boxes N collected by the box multi-stage lifting means 104 on the frame frame 103, and a pusher body 112 which is moved forward and backward. An upper and lower first air cylinder 113 to be moved, a pusher frame 114 to which the upper and lower air cylinders 113 are attached, and which is supported on the frame frame 103 via a guide rail so as to be movable back and forth;
3 or the pusher frame 1 supported by the machine frame 101
14 for moving the air cylinder 14 back and forth.

When a required number of seedling boxes N are stored in the box multi-stage lifting means 104, the second air cylinder 111 is extended to move the pusher frame 114 backward (two points from the solid line position in FIG. 30). After moving all the seedling boxes N simultaneously by the pusher body 112 by approximately half of the box length or simultaneously, the first air cylinder 113 is extended to operate the pusher body 112 with respect to the pusher frame 114. Is moved backward (moving from the two-dot chain line position to the one-dot chain line position in FIG. 30), and the entire multi-stage seedling box N is pushed out to the rear of the frame frame 103 and is transferred to the box collecting frame 15.

The box collecting frame 15 is mounted on the box receiving body 14 and transported by a forklift or the like. The box collecting frame 15 has a receiving piece 15a for arranging seedling boxes N at, for example, 30 steps with a vertical interval. The pieces 15a are arranged in five rows in the left-right direction to form five rows of collection units. Each collecting unit 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.

Since the pusher means 105 cannot push the seedling box N on the conveyor means 102,
The seedling box N is inserted into the lowermost stage of the box collecting frame 15 using the conveyor means 102 and the stacked seedling box feeding means 92. However, the lowermost row of the box collecting frame 15 may be left blank without inserting the seedling box N. A cart capable of moving left and right is provided on the machine body 76, a box supply mechanism 8 and a box collection mechanism 9 are provided on the cart, and the cart is moved and the box supply mechanism is provided behind the delivery mechanism 7. 8 and the box collecting mechanism 9 can be selectively used between the box supplying mechanism 8 and the box collecting mechanism 9.

Next, a seedling box unfolding method in the case where the seedling box to ground processing machine shown in the above embodiment is set to a state in which the box supply mechanism 8 can be used in the main unit 4 to form a seedling box unfolding machine will be described. I do. The required number of working units 3 are connected in series at the front of the main unit 4 via the connecting members 128 and 129,
After moving by the self-propelled device 13B of the main unit 4 and carrying it into the house, the working unit 3 is separated from the main unit 4 side by side in the house and connected side by side, an electric cable and an air hose are connected, and the germination process is performed. The box holder 14 on which a large number of seedling boxes N are placed is transported by a lift vehicle, and is placed on the placement moving table 91 of the box holder support mechanism 12.

The layered seedling box feeding means 92 of the box holder support mechanism 12 is operated to transfer the layered seedling boxes N on the box holder 14 to the transport conveyor means 75 and to supply them into the box feeding mechanism 8. I do.
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, sequentially taken out of the lower seedling boxes N onto the conveying conveyor means 75, and are successively taken out by the conveying conveyor means 75. It is supplied to the delivery mechanism 7. In the delivery mechanism 7, the seedling box N is sent to the distribution means 7A by the feeding means 7B, and is moved to the front end position by the chain conveyor 119 of the distribution means 7A.
7, the paper is distributed and conveyed to the vertical and horizontal conveying mechanisms 5 in the left and right working units 3.

In the vertical and horizontal transport mechanism 5, the horizontal transport means 5B stands by at the ascending position, and distributes and transports the seedling boxes N carried one by one from the distribution means 7A to the delivery position thereon while moving laterally. . When five seedling boxes N are supplied on the horizontal transport means 5B, the raising / lowering means 5C is operated to lower the horizontal transport means 5B to a position substantially overlapping with the vertical transport means 5A,
That is, the roller 32 is moved down from the upper surface of the belt 30 to a lower position, and the seedling box N on the roller 32 is transferred to the belt 3 of the vertical conveying means 5A.
Place on 0.

Thus, the seedling boxes N are transferred to the vertical transport means 5A, and all the seedling boxes N are simultaneously advanced by the operation of the vertical transport means 5A. Then, all the seedling boxes N are transferred to the front and rear transport means 18 at the same time. Forward and backward transport means 1 inclined forward and downward
8 while operating unit 3 and main unit 4
To release the whole seedling box N to the ground and release the seedling box N
The backward movement of the work unit 3 is stopped in a state where the front-rear transport means 18 is separated by a predetermined 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 arranged at the front thereof is brought into contact with the whole seedling box N which has released. The front and rear positions of all the seedling boxes N are aligned and pushed forward until they come into contact with the preceding development seedling box N, thereby reducing the spacing between the front and rear seedling boxes. In the meantime, the subsequent seedling box N is transferred from the main unit 4 to the distribution means 7.
Introduced into the vertical and horizontal transport mechanism 5 through A, the horizontal moving means 10 is operated in reverse, the front and rear transport means 18 is retracted, the succeeding seedling box N is delivered, and the above process is repeated again.

A sidewalk having a width substantially equivalent to the width of the distributing means 7A is formed between the developed five seedling boxes N on each of the left and right sides. When the seedling box unfolding machine moves to the end in the house, the main unit 4 is separated from the working unit 3 and the seedling box N remaining on the vertical and horizontal transport mechanism 5 of the working unit 3 and the front and rear transport means 18 is removed. The work unit 3 is deployed only, and then the main unit 4 is turned and moved to another house or deployment area, and the work unit 3 is connected again after the movement.

Next, a method for collecting seedling boxes in a case where the seedling box-to-ground processing machine shown in the above embodiment is set in the main unit 4 so that the box collecting mechanism 9 can be used, and a seedling box collecting machine is used. explain. Only the working unit 3 is moved to the end of the deployment area in the house, and the box pick-up mechanism 17 is moved forward with the five seedling boxes N being deployed in one horizontal row, and the hook 153 of the hook 22 is moved forward. The movement of the work unit 3 is stopped by contacting the seedling box N. At this time, the hook 153
To protrude.

After the hook 22 detects the seedling box N, the hook 22 is raised by the raising operation of the vertical cylinder 67, and the hook 153 is hooked on the peripheral edge Na of the seedling box N from below. At the same time or after, the release restricting means 54 is operated to
1, the position of the peripheral Na is regulated from the upper side and the inner side.
Ensuring that the hook 153 is engaged with a. In this state, the raising / lowering cylinder 62 is operated to lift the rear side of the seedling box N, 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 of the horizontal moving means 10. Then, the seedling box N is scooped so that the back surface thereof is placed on the front end of the front and rear transporting means 18. At this time, the seedling box N is pushed up by the front-rear transportation means 18,
The hanging claw 153 is prevented from coming off from the peripheral edge Na.

When the seedling box N has been scooped, the vertical cylinder 67 is operated in reverse to lower the hook 153, and
To release the pressing of the pressing member 161, transfer the seedling box N to the front-rear transportation means 18, furthermore, reciprocate the front-rear movement cylinder 68 and raise the lifting cylinder 62 or the vertical cylinder 67 to raise 153 is disengaged from the peripheral edge Na of the seedling box N, and then the conveyor 42 of 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.

After the forward / backward transporting means 18 on which all the seedling boxes N are placed is moved backward by the backward movement of the horizontal moving means 10, the forward / backward transporting means 18 is again moved backward, and the vertical transporting means 5A is operated. N is transferred to the vertical transport means 5A, the horizontal transport means 5B, which is slightly lower than the overlap position, is raised to lift the seedling box N, and after reaching the raised position, the horizontal transport operation to the horizontal transport means 5B is performed. Is transferred one by one onto the roller conveyor 117 of the distribution means 7A of the delivery mechanism 7 located at the same height.

The seedling box N on the roller conveyor 117 is pushed by the claws 118 of the chain conveyor 119 and is transferred to the feeding means 7B, and is moved by the feeding means 7B to the position on the conveying conveyor means 102 of the box collecting mechanism 9 at the rear. I do.
The seedling boxes N conveyed onto the conveyor means 102 in the box collecting mechanism 9 are lifted one by one by the box multi-stage lifting means 104, whereby the seedling boxes N are collected in a multi-stage manner with a vertical interval.

When a predetermined number of seedling boxes N are stored in the box multi-stage lifting means 104, the first and second pusher means 105
The air cylinders 111 and 113 are operated to simultaneously push all the seedling boxes N rearward and store them in the box collecting frame 15 on the box receiving body 14. In the box holder support mechanism 12, the lateral movement mechanism 97
The position of the box collecting frame 15 is changed to the right and left through the box, and the multi-stage seedling box N is stored in the collecting section of the five rows of the box collecting frame 15. The box collection frame 15 is lowered by a lift vehicle while being placed on the box holder 14, and an empty box collection frame 15 and box holder 14 are placed instead.

The vertical and horizontal transport mechanism 5
After the seedling box N has been delivered, the operation unit 3 is advanced to perform an operation for collecting the next expanded seedling box N. Note that the first to third rows of the expanded seedling boxes N are collected only by the work unit 3, and the main unit 4 can be connected to the work unit 3 after the main unit 4 can be connected in the house.
And collect the picked-up seedling box N on the main unit 4.

However, if the inside of the house is sufficiently large, one or a plurality of working units 3 may be connected to the main unit 4 from the beginning. The above embodiment can be variously modified. For example, the number of seedling boxes N to be unfolded and collected at one time by the seedling box unfolding and collecting machine is 5
It may be set to a plurality of sheets other than the number of sheets, in which case, the length of the vertical and horizontal transport mechanism 5, the number of sets of the front and rear transport means 18, the box alignment means 1
The number of the contact members 23 and the number of the 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 feeding 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 they are unfolded and collected at one time. It is preferable to set a multiple thereof according to the number of seedling boxes N. When the seedling box N is collected, the front-rear transportation means 18 is horizontally moved below the seedling box N picked up by the box pick-up mechanism 17 to receive the seedling box N, but the front frame 56 is moved forward and backward with respect to the work traveling machine body A2. It may be movably supported, and the box pick-up mechanism 17 may be moved backward by the driving device, and the seedling box N may be conveyed onto the front-rear conveying means 18 while being lifted by the hook 22.

Cylinders 46, 62, 6 provided for each mechanism
Although air cylinders are used for 7, 68, 111, and 113, hydraulic cylinders or other mechanical or electric actuators may be used. The main unit 4 uses an electric motor as a drive source so that it can be used in a house. However, when used outdoors, an engine may be used, and wheels may be used instead of the crawler traveling unit 77.

FIG. 33 shows a first modification of the working unit 3. The working unit 3 includes a self-propelled device 13A and a steering mechanism 187 so that the self-propelled device can be operated without being connected to the main unit 4. It has become. Self-propelled device 13
A supports a drive shaft 184 on the machine body 25 of the work traveling machine body A2, attaches the front wheel 26 to the drive shaft 184, and mounts an upper support 185 on the rear surface of the guide post 33 at the rear of the machine body 25.
And a motor 186, an air pump driven by a battery motor 186, an air tank, and the like are mounted on the upper receiving base 185, and power is transmitted from the motor 186 to the drive shaft 184 by a transmission means using a shaft and gears. It has become.

The steering mechanism 187 has an arc gear 188 provided on the support shaft of the rear wheel 27 supported by the pedestal 49.
A screw gear meshing with the arc gear 188 is formed on the rotating shaft 189 supported by the shaft 189 so that power can be transmitted from the handle shaft 190 supported by the upper support 185 to the rotating shaft 189 via a shaft and gears. By rotating the handle 191, the left and right rear wheels 27 can be simultaneously steered.

The work unit 3 is also equipped with the box pick-up mechanism 17 and the box aligning means 16. According to the first modified example, the working unit 3 can be independently carried into the house without the main unit 4, and the seedling boxes N can be deployed and collected. At the time, the seedling box N is transported and arranged on the side of the work unit 3, and the seedling box N is artificially taken out of the seedling box transporter and supplied to the lateral transport means 5B. The seedling box N is artificially taken out from the horizontal conveying means 5B, stored in the box collecting frame on the seedling box transporter, and carried out of the house by the seedling transporter. Horizontal transport means 5
The supply and removal of the seedling box N onto B is performed when the lateral transport means 5B is at the ascending position and is about the height of the waist of the person, so that the work can be facilitated.

The self-propelled device 13A may drive the rear wheel 27, or may be provided with a motor directly on the front wheel 26 or the rear wheel 27, and the steering mechanism 187 may include a pitman arm, a tie rod or the like. May be used.
After connecting the working unit 3 to the main unit 4, the self-propelled device 13A is stopped, but the front and rear wheels 26, 27
May be in a free state, and the air pump may be driven to operate the air cylinder of the work unit 3.

FIGS. 34 to 37 show a second modification of the working unit 3, which is provided with an extended working unit 3E on the side. This extension work unit 3
E allows the working unit 3 to be attached in a parasitic manner using the above-mentioned configuration as it is without changing the design as much as possible. The extension work unit 3E, like the work unit 3, has an extension vertical and horizontal transport mechanism 5E, an extension front / rear transport mechanism 6E, an extension box pick-up mechanism 17E, and the like.
, And configured to additionally process one seedling box N.

The extension machine main body 25E has a pair of left and right connecting portions 24E at the front and rear, and through the connecting portions 24E, the machine main body 25E.
And can be connected to either the left or right side of the machine body 25. Extension machine body 25
The extended vertical transport mechanism 5AE of the extended vertical and horizontal transport mechanism 5E provided on the E is a set of belt conveyors, and the extended rear rotation shaft 28E serving as a drive shaft is connected to the vertical transport means 5E.
A is interlocked to the rear rotation shaft 28 via a coupling 172.

[0111] The extended horizontal transport means 5BE includes a conveyor frame 31.
A number of rollers 32E are supported on an extended conveyor frame 31E fixed to the roller, and one or more of the rollers 32E are self-rotating rollers, and these rollers 32E are rollers 3E.
2 is synchronously rotated via a timing belt. Similarly to the roller 32, the roller 32E is in a superposed state at a position lower than the upper surface of the belt 30E of the extended vertical transport unit 5AE, and is raised by the lifting / lowering unit 5C to receive the seedling box N from the belt 30E and lift it. At the ascending position, the sheet is conveyed laterally and transferred to and from the roller 32.

A small-diameter roller 136 is also provided on the extension conveyor frame 31E of the extension lateral conveyance means 5BE, and a stopper for stopping and guiding the conveyance of the seedling box N is also provided, although not shown. The extension front-rear transportation mechanism 6E includes only the extension front-rear transportation means 18E, and the horizontal movement means also serves as the horizontal movement means 10, and is horizontally moved integrally with the front-rear transportation means 18.

The extension front-rear transportation mechanism 6E has an extension support frame 41E fixed to the support frame 41 with bolts or the like. A single row of belt conveyors supported by the extension support frame 41E is driven by the power of a motor 43. The extension box aligning means 16E and the left and right extension box guide plates 48E are also provided. In addition, although the grounding wheel is not provided, it may be provided.

The front frame 56E has left and right members EA and front members EB. Each of the left and right members EA is an L-shaped member having a long side in the front-rear direction and a long front in the left and right directions. The front part is bolted by overlapping with the front member EB, and the left and right members EA are changed by changing the overlapping length.
The distance between them, that is, the width of the front frame 56E is changed (FIG. 34).
In this case, the number of sheets is changed from 5 to 6).
Are detachably mounted on the side surface of the vehicle, and wheels 52 are mounted.

[0115] Five sets of box pick-up mechanisms 17 are mounted on the front member EB of the front frame 56E, and the extension box pick-up mechanism 17 is provided on the front side of the side member EA projecting left and right outward from the front member EB.
E is arranged, one extension guide rail 60E is fixed to the front member, and the extension elevator 61E is attached to the elevator 61, and the elevator cylinder 62 is also used. The extension box pick-up mechanism 17E is provided with a hook 22 on an extension lift 61E via a vertical cylinder 67 and the like, and the other configuration is the same as that of the box pick-up mechanism 17.

The extension work unit 3E adds two or three seedling boxes N by changing the width of the extension vertical and horizontal transport mechanism 5E, the number of sets of the extension front and rear transport mechanism 6E and the extension box pick-up mechanism 17E, and the like. It can also be configured to process. The seedling box-to-ground processing machine has a working unit 3 for processing 4 or 5 sheets as a standard machine, and one or more of the standard machines are connected to the main unit 4 for use. In this case, the extension work unit 3E is attached to the work unit 3 so that the optimum number of seedling boxes N can be developed and collected in the house.

[0117]

According to the first aspect of the present invention described in detail above, the working unit 3 and the main unit 4 can be configured separately and can move independently, and can be connected and travel together.
According to the second aspect, the seedling boxes N are transported one by one from the delivery mechanism 7 having a fixed height of the main unit 4 to the vertical and horizontal transporting mechanism 5, and a plurality of the seedling boxes N are arranged. Can be simultaneously deployed on the ground by the front and rear transport mechanism 6, and pick up a plurality of seedling boxes N from the ground in the left-right direction on the front and rear transport mechanism 6,
The whole seedling box N is lifted by the vertical and horizontal transport mechanism 5, transferred to the delivery mechanism 7 having a fixed height, sequentially transported to the box collecting mechanism 9, and stored in a multi-stage state. But they can be processed simultaneously.

According to the third aspect, while the box supply mechanism 8 is in use, the stacked seedling boxes N are taken out of the box receiving body 14 via the lateral moving mechanism 97 and the stacked seedling box feeding means 92. And transport them one by one via the box supply mechanism 8 to the seedling box N
The box collection mechanism 9 is used in place of the box supply mechanism 8, and the seedling boxes N are collected one by one via the box collection mechanism 9, one at a time in upper and lower tiers.
The seedling boxes N in the upper and lower stages can be pushed into the frame 103 from the box collecting mechanism 9 through the box, and the seedling boxes N can be collected. By simply replacing the box supply mechanism 8 and the box collecting mechanism 9, the seedling boxes can be unfolded. And can be collected.

According to the fourth aspect, the working unit 3 can be connected to both the left and right sides of the main unit 4.
The work units 3 can be connected to either the left or right side of the main unit 4, and the number of work units can be easily increased and decreased and the connection position can be easily changed. According to the fifth aspect, another work unit 3 can be laterally connected to the side of the work unit 3 connected to the main unit 4 to double the number of work units and the number of work lines.

According to the sixth aspect, the work unit 3 can be independently loaded and unloaded to and from a house or the like without connecting the work unit 3 to the main unit 4, and handling of the work unit can be simplified. According to the seventh aspect, it is possible to equip the side of the working unit 3 with the extension working unit 3E to simultaneously process the seedling boxes N of a number different from the number of treatments set by the working unit 3 and a multiple thereof, It is possible to set the optimum number of treatment steps for houses of various sizes.

[Brief description of the drawings]

FIG. 1 is a side view of a separated state of a seedling box unfolding and collecting machine as a seedling box-to-ground processing machine showing an embodiment of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of the same.

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

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

FIG. 6 is a plan view of a front central portion of the seedling box-to-ground processing machine.

FIG. 7 is a side view of the working unit.

FIG. 8 is a plan view of a vertical and horizontal transport mechanism of the work unit.

FIG. 9 is a rear view of the vertical and horizontal transport mechanism of the work unit.

FIG. 10 is a sectional view taken along line XX of FIG. 6;

FIG. 11 is a sectional view taken along line YY of FIG. 6;

FIG. 12 is an explanatory plan view showing the deployment of a seedling box.

FIG. 13 is an explanatory plan view showing collection of a seedling box.

FIG. 14 is a plan view of a front-rear transport 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 a connector for connecting a work unit and a main unit in series.

FIG. 18 is a sectional plan view showing a main part of the box pick-up mechanism.

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 a main unit including a box supply mechanism.

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 cross-sectional rear view of the box holder lateral movement mechanism.

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

FIG. 30 is a cross-sectional side view of a main unit including a box collection mechanism.

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

FIG. 32 is a plan view of the box collecting mechanism.

FIG. 33 is a side view showing a first modification of the working unit.

FIG. 34 is a front view showing a second modification of the working unit.

FIG. 35 is a plan view of an extended vertical and horizontal transport mechanism of the second modified example.

FIG. 36 is a rear view of the extended vertical and horizontal transport mechanism of the second modified example.

FIG. 37 is a plan view of an extension front / rear transportation unit according to the second modified example.

[Explanation of symbols]

 A2 Work traveling machine body B2 Main traveling machine body 3 Working unit 4 Main unit 5 Vertical and horizontal transport mechanism 5A Vertical transport means 5B Horizontal transport means 6 Front and rear transport mechanism 7 Delivery mechanism 8 Box supply mechanism 9 Box collection mechanism 14 Box holding frame 15 Box collection frame Body 17 Box pick-up mechanism 18 Back and forth transport means N Seedling box

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Masato Yamaguchi 64 Ishizukitamachi, Sakai City, Osaka Prefecture Inside the Kubota Sakai Works, Ltd. (72) Inventor Takashi Nishijima 64 Ishizukitamachi, Sakai City, Osaka Prefecture Kubota Sakai Manufacturing Co., Ltd. In-house (72) Inventor Yoshinobu Nishitani 2-2-27 Mizuhashi, Higashiosaka-shi, Osaka Daiwa Seiko Co., Ltd.

Claims (7)

[Claims] 1. A work unit (1) in which a seedling box (N) is placed and transported back and forth and left and right and independently movable to simultaneously transfer a plurality of seedling boxes (N) in the left-right direction with respect to the ground. 3) and an independent self-propelling mechanism having a delivery mechanism (7) at the front which is capable of delivering the seedling box (N) to the work unit (3) and transporting the entire seedling box (N) to and from the rear position. A main unit (4), wherein a working unit (3) is connected to at least one of the right and left sides of a delivery mechanism (7) of the main unit (4) so as to be able to travel with the seedling. Box-to-ground processing machine. 2. A seedling box (N) is placed on the work traveling machine (A2) and can be moved back and forth, and a plurality of seedling boxes (N) in the left-right direction are simultaneously transferred to the ground. The front and rear transport mechanism (6), and all the seedling boxes (N) can be moved back and forth with respect to the front and rear transport mechanism (6) and can be transferred simultaneously,
And a vertical and horizontal transport mechanism (5) for laterally moving the seedling box (N) between a transfer position and a base position on the lateral side, and a forward and backward transport mechanism (6) for lifting the seedling box (N) deployed on the ground. The work unit (3) is provided with a box pick-up mechanism (17) for transferring the seedlings (N) to the seedling box (N). Vertical transport means (5
A), it can move up and down with respect to the vertical transport means (5A), and moves down to a position where it overlaps with the vertical transport means (5A) to deliver all the seedling boxes (N) and to move laterally at the elevated position. Lateral transport means (5B) for causing
B) for raising and lowering the horizontal transport means (5C). The main transport body (B2) is disposed at a base point on one side of the horizontal transport means (5B) at the raised position. A delivery mechanism (7) is provided for transferring the seedling boxes (N) one by one and moving the seedling boxes (N) to a position behind the seedling boxes (N). (N) is stored in a stacked state, and a box supply mechanism (8) for supplying seedling boxes (N) one by one to the delivery mechanism (7), and one seedling box (N) from the delivery mechanism (7). The main unit (4) is provided with a box collecting mechanism (9) that is delivered and stored in a multi-stage state so that it can be selectively used. Characterized in that a work unit (3) is connected to the vehicle so as to be able to travel with the seedling box. . 3. The main unit (4) has a forwardly projecting delivery mechanism (7) disposed at a front portion of a main traveling body (B2), a box receiving body (14) stacked at a rear portion, and a left-right direction. A box feeding mechanism (8) is provided with a lateral moving mechanism (97) for changing the position, and stores the seedling boxes (N) in a stacked state in the middle part and supplies the seedling boxes (N) one by one to the delivery mechanism (7). ) And a box collecting mechanism (9) for supplying the seedling boxes (N) one by one from the delivery mechanism (7) and collecting the seedling boxes (N) in upper and lower tiers. In (14), a seedling box (N) in a stacked state and a frame frame (103) for storing the seedling boxes (N) in multiple stages at an up-down interval are alternatively placed.
The lateral moving mechanism (97) has a stacked seedling box feeding means (92) for feeding the stacked seedling boxes (N) from above the box receiver (14) to the box feeding mechanism (8), and the box collecting mechanism. 3. The seedling box ground treatment machine according to claim 1, wherein (9) has a pusher means (105) for pushing the seedling boxes (N) collected in upper and lower stages into the frame (103). 4. A connecting part (127) for connecting the working unit (3) on the left and right of the delivery mechanism (7), and a connecting part (24) on the left and right of the working unit (3) for connecting to the connecting part (127). ) Is provided, the seedling box ground treatment machine according to any one of claims 1 to 3. 5. A work unit (3) for transferring a seedling box (N) between the work units (3) connected to the main unit (4) in a side-by-side state. The seedling box-to-ground treatment machine according to any one of claims 1 to 4, wherein: 6. The seedling box-to-ground treatment machine according to claim 1, wherein the work unit (3) includes a self-propelled device (13A) driven by a motor. 7. The working unit (3) includes a front-rear transport mechanism (6), a vertical and horizontal transport mechanism (5), and a box pick-up mechanism (1).
In order to additionally process at least one seedling box (N) on the side of 7), an extension front / rear transport mechanism (6E), an extended vertical / horizontal transport mechanism (5E) and an extension box pick-up mechanism (17E) are provided respectively.
The seedling box-to-ground treatment machine according to claim 2, wherein the seedling box is detachably provided.