JPH08127428A - Automatic feeding device for seedling culture box - Google Patents

Abstract

PURPOSE: To perform a position replacing work in a short time, and improve the working property of seedling pretreatment by attachably and detachably mounting a stacking guide part on the end part frame of a treatment conveyor. CONSTITUTION: A front side guide part 12 is attachably and detachably mounted by a locking groove provided on the connecting plate 1b of a treatment conveyor 1 and a locking pin provided on the connecting plate 6a of an end part frame 6 by means a front side attaching and detaching mechanism. The rear side guide part 13 of a stacking guide part 11 is attachably and detachably mounted on the end part frame 6 by a rear side attaching and detaching mechanism. Therefore, the mounting and removal of the stacking guide part 11 are facilitated, the position replacing work can be performed in a short time by this portion, and the working property of seedling pretreatment can be in turn improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling raising box automatic feeder installed on a processing conveyor for pretreatment of seedling raising boxes.

[0002] Generally nursery box of this type is as shown in FIG. 14, FIG. 15, the engaging recess W ₁ on nursery box W peripheral portion is formed, engaging protrusions W ₂ is formed on the lower peripheral edge of the nursery box W The engagement between the engaging concave portion W ₁ and the engaging convex portion W ₂ prevents the collapse of the step due to the vertical stacking.

[0003]

2. Description of the Related Art Conventionally, as this seedling raising box automatic feeder, for example, the one shown in JP-A-59-224603 is known.

[0004]

However, in the case of this conventional structure, the stacking guide portion for vertically stacking the seedling raising boxes is integrally assembled to the processing conveyor, that is, no consideration is given to the detachable structure. For this reason, the processing conveyor is usually used to reciprocate the seedling raising box to perform pretreatment such as floor soil filling, irrigation, sowing, and soil covering. It is very troublesome to change the arrangement from one side to the other end side, and there is a disadvantage that the work efficiency may be reduced accordingly.

Further, in the above-mentioned conventional structure, as a conveying means for the seedling raising box, a feed chain that circulates is arranged, and a pushing claw is attached to this feed chain, and it is the highest of the seedling raising boxes stacked vertically. It has a structure to force the rear surface of the lower nursery box to be pushed by the pushing claws, and because only the rear surface of the nursery box is pushed forward, the front side in the transport direction of the nursery box is lifted and the nursery box is It may be conveyed in an oblique state with the front side facing up, which may prevent smooth conveyance, or inside the work mechanism such as floor soil filling, sowing, and covering soil arranged side by side on the processing conveyor. There is a possibility that it may be difficult to enter the space, and the workability may be reduced accordingly.

[0006]

SUMMARY OF THE INVENTION The present invention is intended to solve these disadvantages, and its gist is to install the end frame of a processing conveyor for carrying a nursery box,
A plurality of seedling raising boxes are provided with a stacking guide part capable of being vertically stacked and guided by sequentially shifting a little toward the rear in the conveying direction as the stacking guide part comprises a front guide part and a rear guide part, The front guide part is removably attached by a front attachment / detachment mechanism by a locking groove provided on the connecting plate of the processing conveyor and a locking pin provided on the connecting plate of the end frame, and the rear guiding part is A seedling raising box automatic feeder is characterized in that it is detachably attached to the end frame by a rear side attaching / detaching mechanism.

At this time, it is desirable to provide an angle adjusting mechanism capable of adjusting the inclination angle of the front plate of the front guide portion.

[0008]

The front guide part of the stack guide part, which can be vertically stacked and guided by sequentially shifting the plurality of nursery boxes upward slightly in the conveying direction, is provided on the connecting plate of the processing conveyor by the front attaching / detaching mechanism. The locking groove and the locking pin provided on the connecting plate of the end frame removably attaches, and the rear guide portion of the stacking guide portion is removably attached to the end frame by the rear attaching / detaching mechanism. It will be.

At this time, the inclination angle of the front plate of the front guide portion is adjusted by the angle adjusting mechanism.

[0010]

1 to 13 show an embodiment of the present invention.
Is a processing conveyor, in this case the left and right frames 1a
A plurality of stay rods 2 and a plurality of conveying rollers 3 are installed between them, and each conveying roller 3 is rotationally driven by a drive chain 4 by a motor (not shown), and a floor soil filling / covering mechanism is provided between the left and right frames 1a. 5a, seeding mechanism 5b, watering mechanism 5
Various work mechanisms 5 of c are mounted, and end frames 6 are arranged at both ends of the frame 1a, that is, the connecting plates 1b are erected at each end of the frame 1a, and the end frame 6 is provided. Connecting plates 6a are respectively erected at the left and right positions of the respective end portions, a fulcrum shaft 7 is laterally provided on the connecting plate 6a, and a long hole-like connecting hole 1c fitted to the fulcrum shaft 7 is formed in the connecting plate 1b. The end frame 6 and the frame 1a are rotatably connected by a fulcrum shaft 7, and a locking pin 6b is laterally provided on the connecting plate 6a and a locking hole 1d having a keyhole is formed on the connecting plate 1b. A horizontal state is maintained by abutting the opposite ends of the partial frame 6 and the frame 1a, and as shown in FIG. 13, the locking pin 6b is engaged by pivoting upward from the horizontal position about the fulcrum shaft 7 as a center. It is fitted and locked in the stop groove 1d so that the standing state can be maintained.
Therefore, the nursery box W is placed on the plurality of transport rollers 3,
By the rotation of the transport roller 3, the nursery box W is conveyed while passing through each working mechanism 5 from one end to the other end of the processing conveyor 1, and by the reverse rotation of the transport roller 3, one from the other end. The paper is conveyed back toward the end, and in this case, in the path of the seedling raising box W, only the bed soil filling / covering mechanism 5a is operated to fill the bed inside the seedling raising box W, and artificially at the end of conveyance. In the return path of the seedling raising box W taken out, the bed soil filling / covering mechanism 5a, the seeding mechanism 5b, and the irrigation mechanism 5c are activated, and the seedling raising box W filled with the floor soil is sequentially subjected to irrigation, seeding, and soil covering work. Will be seen.

Reference numeral 8 denotes a conveyor belt. In this case, drive pulleys 9a are installed on the ends of the left and right frames 1a of the processing conveyor 1, and the drive pulleys 9a are rotated by the drive chains 4 to form end frames 6a. The driven pulley 9b is installed, and the two conveyor belts 8 are wound between the drive pulley 9a and the driven pulley 9b, and the upper belt portion 8a of the conveyor belt 8 is
The bottom surface of the nursery box W is placed on the upper side, and the nursery box W is transported by circulating the transport belt 8.

Reference numeral 10 denotes a support member, which is provided with two U-shaped cross sections. In this case, three stay rods 6c are provided on the end frame 6, and the support member 10 is provided with a U-shaped fitting groove 10a. The mounting groove 10b is formed at the same time as the mounting groove 10b.
a and the mounting groove 10b are fitted to the three stay rods 6c to mount the support member 10 on the stay rod 6c, and the upper surface of the support member 10 can support the back surface of the upper belt portion 8a of the conveyor belt 8. Is configured.

Reference numeral 11 denotes a stacking guide portion, which in this case comprises a front side guide portion 12, a rear side guide portion 13, a front side attaching / detaching mechanism P and a rear side attaching / detaching mechanism S. As shown in FIG. The front holding member 14 is formed by integrally welding the angled bar rods 14b between the lower portions of the angled front plate 14a. The front holding member 14 is attached to and detached from the keyhole-shaped locking grooves 1d on the lower left and right sides. Detachable pin 14c that fits freely
A locking piece 14e is formed on the front holding member 14 by a mounting screw 14d so that its rotational position can be adjusted, and a detachable pin 14c is locked by a pin 14l formed at the tip of the locking piece 14e.
A bracket 14f is attached to both sides of the front holding member 14 so that it can be pressed and held, and an inclination adjusting bolt serving as an inclination angle adjusting mechanism 14g that abuts against the frame 1a is screwed to the bracket 14f to rotate the inclination adjusting bolt 14g. The front holding member 14 is provided so that its inclination can be adjusted around the fitting position of the attachment / detachment pin 14c and the locking groove 1d by movement, and one seedling raising box W is provided between the lower end edge of the front holding member 14 and the upper surface of the frame 1a. Forming a passage opening portion M for allowing passage of the above, and forming a side surface U-shaped holding plate 14h by bending it in a plane U shape, and forming a fitting groove 14i for fitting the locking pin 6b in the holding plate 14h. A pressing pin 14 for forming and pressing the outer surface of the connecting plate 6a
j is screwed on, a locking piece 14m is formed at the tip of the holding plate 14h by a mounting screw 14k so that the rotational position can be adjusted, and the bracket is provided so that the bracket 14f can be pressed and held by the tip of the locking piece 14m. I am configuring.

The rear guide portion 13 is, as shown in FIGS.
U that fits on the upper flange 6d of the left and right end frames 6
The rear guide member 15 is formed by welding a pedestal 15a having a groove and a guide post 15b. The pedestal 15a is pressed and fixed on the upper surface of the end frame 6 by a pressing bolt 15c. Inner facing dimension is the seedling box W
It is configured to be slightly larger than the width of.

Further, in this case, a mounting rotary roller 17 is provided so as to be adjustable up and down by the adjusting mechanism 16, and the hanging bolt 16a is loosely inserted in the upper plate portion of the rear guide member 15 and is attached to the lower end portion of the hanging bolt 16a. The suspension plate 16b is fixed and the suspension plate 16b is fixed.
A guide piece 16c that vertically guides is fixed to the rear guide member 15, and a shaft hole 16d is formed in the guide piece 16c.
5 is formed in the lower part of the guide slot 16e,
The rotary shaft 1 is inserted into the shaft holes 16d of the left and right suspension plates 16b through the e.
8 is installed on the left and right of the rotary shaft 18
Two pieces 7 are attached, and a non-slip surface 19 is formed on the outer peripheral surface of the placing rotary roller 17, and as shown in FIG. 11, the bottom surface on the rear side in the transport direction of the seedling box W third from the bottom is placed on the placing rotary roller 17. It is configured to be placed on the outer peripheral surface on the front side in the transport direction from the center of the.

Since this embodiment is constructed as described above, a stacking guide portion 11 capable of stacking and guiding the plurality of seedling-raising boxes W in the upper and lower directions by sequentially shifting them slightly toward the rear in the conveying direction.
The front guide portion 12 of the above is a locking groove 1d provided on the connecting plate 1b of the processing conveyor 1 and a locking pin 6b provided on the connecting plate 6a of the end frame 6 by the front attaching / detaching mechanism P.
And the rear guide portion 13 of the stacking guide portion 11 is detachably attached to the end frame 6 by the rear side attaching / detaching mechanism S.
Can be easily attached and detached, the position exchange work can be performed in a short time, and thus the workability of pretreatment for raising seedlings can be improved, and the existing connecting plate 1b,
Since the attachment / detachment structure is configured by the engagement groove 1d, the connecting plate 6a, and the engagement pin 6b, the structure can be simplified and the manufacturing cost can be reduced.

At this time, the front plate 1 of the front guide portion 12 is also provided.
The inclination angle of 4a can be adjusted by the angle adjusting mechanism 14g, the state of stacking a plurality of seedling raising boxes can be appropriately adjusted, and the seedling raising box W can be transported satisfactorily.

Further, as shown in FIG. 11, the plurality of seedling raising boxes W are vertically stacked and guided by the stacking guide portion 11 so as to be gradually shifted rearward in the conveying direction as they go upward. in a state where the engagement is disengaged with the engagement recess W ₁ and the engaging projection W ₂ can stacked vertically, engaging recess W ₁ also carry the lowermost nursery box W in front and engaging portion W ₂ The seedling-growing box W can be smoothly and automatically fed without such engagement, and in particular, the bottom surface of the lowermost seedling-growing box W is placed on the upper belt portion 8a of the conveyor belt 8 which circulates. , The back surface of the upper belt portion 8a is supported by the support member 10,
The nursery box W can be transported in this supported state,
Therefore, as compared with the conventional partial pushing structure using the pushing claw, the seedling raising box W can be fed by the contact between the upper surface of the feeding belt 8 and the bottom surface in the feeding direction of the seedling raising box W and can be fed reliably. In addition, the raising of the seedling raising box on the front side in the conveying direction can be prevented, and thus the seedling raising box can be smoothly conveyed, and the workability can be improved accordingly.

At this time, the stacking guide portion 11 is provided with a placement rotation roller 17, and in this case, the placement rotation roller 17 places the rear side bottom surface in the transport direction of the seedling raising box in the third stage, as shown in FIG. As described above, the lowermost seedling raising box W is conveyed and the next lower seedling raising box W tilts to the lowermost position and then descends. The seedling raising box W is moved downward and guided to the lower position while moving forward with the forward rotation of the placing rotary roller 17, and thus the seedling raising box W can be sequentially lowered to the proper position in the lower stage.
Thus, smooth transportation can be performed.

Further, since the non-slip surface 19 is formed on the outer peripheral surface of the placing rotary roller 17, slippage between the seedling raising box W and the outer peripheral surface of the placing rotary roller 17 can be suppressed, and the placing rotation can be performed accordingly. It is possible to favorably guide the downward movement of the seedling raising box W by the roller 17.

Further, in this case, since the adjusting mechanism 16 capable of adjusting the vertical position of the placing rotary roller 17 is provided,
The contact position between the seedling raising box W and the outer peripheral surface of the placing rotary roller 17 can be adjusted, and the seedling raising box W by the placing rotary roller 17 can be adjusted accordingly.
The descending movement guide can be favorably performed.

The present invention is not limited to the above embodiment, and the structure of the stacking guide portion 11 is appropriately selected and designed.

Further, in the above embodiment, the stacking guide portion 11 is used for the path work of the processing conveyor 1. However, it may be arranged on the end frame 6 on the opposite side and used for the return path work. Also, unlike the processing conveyor 1, the processing conveyor of the type in which the work of filling the floor soil, irrigating, sowing, and covering soil is carried out in one direction without performing the reciprocating transfer work, and irrigation, sowing,
It can also be used as a processing conveyor for covering soil.

[0024]

As described above, according to the present invention, the front guide part of the stack guide part which can be vertically stacked and guided by sequentially shifting the plurality of nursery boxes a little toward the rear in the conveying direction as it goes up is provided by the front attaching / detaching mechanism. It is removably attached by a locking groove provided on the connecting plate of the processing conveyor and a locking pin provided on the connecting plate of the end frame, and the rear guide part of the stacking guide part is attached by the rear attaching / detaching mechanism. Since it is detachably attached to the end frame, the stacking guide can be easily attached and detached, and the position exchange work can be performed in a short time, which in turn can improve the workability of pretreatment for raising seedlings. Moreover, since the detachable structure is constituted by the existing connecting plate, the locking groove and the connecting plate, and the locking pin, the structure can be made simpler and the manufacturing cost can be reduced.

At this time, the angle of inclination of the front plate of the front guide portion is adjusted by an angle adjusting mechanism so that the stacking of a plurality of seedling raising boxes can be adjusted appropriately, and the seedling raising boxes can be conveyed accordingly. be able to.

As described above, the intended purpose can be sufficiently achieved.

[Brief description of drawings]

FIG. 1 is an overall perspective view of the present invention.

FIG. 2 is a partial perspective view of the present invention.

FIG. 3 is a partially exploded perspective view of the present invention.

FIG. 4 is a partially exploded perspective view of the present invention.

FIG. 5 is a partial plan view of the present invention.

FIG. 6 is a partially enlarged side view of the present invention.

FIG. 7 is a partially enlarged plan view of the present invention.

FIG. 8 is a partially enlarged side view of the present invention.

FIG. 9 is a partially enlarged sectional view of the present invention.

FIG. 10 is a partially enlarged cross-sectional view of the present invention.

FIG. 11 is a partially enlarged side sectional view of the present invention.

FIG. 12 is a partially enlarged side sectional view of the present invention.

FIG. 13 is a partial side view of the present invention.

FIG. 14 is a perspective view of an example of a nursery box.

FIG. 15 is a cross-sectional view of an example of a nursery box.

[Explanation of symbols]

 W Nursery box P Front attachment / detachment mechanism S Rear attachment / detachment mechanism 1 Processing conveyor 1b Connecting plate 1d Locking groove 6 End frame 6a Connecting plate 6b Locking pin 11 Stacking guide part 12 Front guide part 13 Rear guide part 14a Front plate 14g Angle adjustment mechanism

Claims (2)

[Claims] 1. A stacking guide portion, which is installed on an end frame of a processing conveyor for transporting seedling raising boxes, and which is capable of guiding a plurality of seedling raising seedlings to be stacked vertically by sequentially shifting the seedling raising boxes toward the rear in the conveying direction. The stacking guide portion comprises a front guide portion and a rear guide portion, and the front guide portion is provided with a locking groove provided on the connecting plate of the processing conveyor and a connecting plate of the end frame by a front attaching / detaching mechanism. An automatic feeder for raising seedlings, characterized in that it is detachably attached by means of a locking pin provided on the rear side guide part, and the rear guide part is detachably attached to the end frame by a rear side attach / detach mechanism. 2. The automatic nursery box feeder according to claim 1, further comprising an angle adjusting mechanism capable of adjusting an inclination angle of the front plate of the front guide portion.