JP2004187661A - Seed bed block-separating device of fix-planting machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device for smoothly tearing off and transplanting water-cultured seedlings without harming them on tearing off a seed bed block W' and transplanting to a growing panel 7. <P>SOLUTION: This seed bed block-separating device 1 of the fix-planting machine is constituted by installing a photoelectric sensor 12, a proximity switch 14, and a mat-engaging pin 9d at the rear end slat of slat group 9b of an upper stage conveyer 9. Thereby, it is possible to stop the urethane mat W with seedlings at a prescribed position precisely. Also, the seed bed block-separating device 1 is equipped with in a plurality of pairs of V-shaped restricting rods 28 arranged at a supporting shaft 27 lifted up and down by an air cylinder 25 installed at both sides in upstream side, and each 4 pieces of restricting rods 34 projecting from a plurality of U-shaped plates 33 lifted up and down by an air cylinder 31 installed at both sides of downstream side. The seed bed block-separating device 1 is constituted as capable of easily separating the seed bed block W' with a grasping needle 44 by restraining widely from upward surface the surroundings of the seed bed block W' to be torn off. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
In the present invention, a seedling block, which is one seedling, is cut out from a urethane mat with seedlings in which seedlings of hydroponics that have already germinated are arranged, and the seedlings are arranged with an interval between larger plants in a growing panel. The present invention relates to a nursery block separating device for a planting plant for hydroponic seedlings to be transplanted into a pot hole.
[0002]
[Prior art]
Conventionally, such transplantation work has been performed by human hands, but it was very troublesome and the working conditions were severe.
Recently, hydroponic cultivation is being carried out in the suburbs of the city, which means that automation and mechanization will increase productivity. However, there is no machine that works smoothly and continuously, and especially the mechanism to fix the urethane mat with seedlings when separating the seedbed block is the most important part in the planting machine, but a satisfactory fixing device Was not yet.
For fixing the urethane mat with seedling of the prior art, a fixing needle pierces the upper surface and the front of the urethane mat with seedling from above and forward, and urethane with seedling with a holding rod or a stop rod attached below the base plate. There is a mat that presses the entire upper surface of the first row of the mat and both sides of the nursery block in the second row (see Patent Documents 1 and 2). Prior to Patent Document 2, the same invention as before (March 1997) is located at 1637-18 Dainichi, Yotsukaido-shi, Chiba. A drawing of a planting plant manufactured and sold by Dainichi Engineering Co., Ltd. Although it was developed by the inventor of the present invention who was then an employee of the company and made public, there is no fact that the right to obtain a patent has been transferred to another person.
[0003]
[Patent Document 1]
JP-A-2002-171840 (Claims 1, 3, and 4)
[Patent Document 2]
JP-A-2000-4699 (page 3, FIG. 7)
[0004]
[Problems to be solved by the invention]
According to these conventional techniques, in the case of Patent Literature 1, the place where the seedling was pierced with a fixed needle may wither black or the needle may break due to impact or collision, and the broken needle is lost because the material to be handled is food material. If you do, it will be a serious problem. Further, in the case of Patent Document 2, it is inconvenient to take out the nursery block horizontally from the narrow opening opened in front of the nursery presser while holding down the entire upper surface of the first row of the nursery block. Although developed by the inventor of the present invention, it has a drawback that it is difficult to adjust the pressing force of the upper surface.
SUMMARY OF THE INVENTION An object of the present invention is to provide a nursery block separating device for a hydroponic seedling planting plant, which can lubricate the seedlings as much as possible without damaging the seedlings for the above-mentioned reasons and without stagnation.
[0005]
[Means for Solving the Problems]
In order to achieve the above object of the present invention, the invention according to claim 1 is to extend the lower conveyor 8 on the base 3 and to remove the growing panels 7 from the panel loading portion 6 on the upstream side of the base 3. The sheets are transported one by one to the transplanting part 12 on the downstream side of the base 3, the upper conveyor 9 is stretched above the upper part, and the urethane mat W with seedling placed on the upstream side is transported to the transplanting part 12, In the transplanting section 12, the urethane mats with seedlings W, W,... Are cut into nursery blocks W ', W',... With the gripping needles 44, 44,. 7 in a plurality of pot holes 7a, 7a,...
The upper conveyor 9 is a slat conveyor, a plurality of slats 9b, 9b,... Are arranged in parallel with the length of the urethane mat W with seedlings, and a space is opened between the slats 9b, 9b,. A plurality of mat locking pins 9d, 9d,... For determining the placement position of the urethane mat W with seedlings are arranged on the slats 9b, 9b,. By installing the photoelectric sensors 13 and 13 for detection on both sides of the downstream end 9a of the upper conveyor, and disposing the proximity switch 14 for detecting the leading slat fixing bolt 9c of the succeeding slats 9b, 9b,. A nursery block separating apparatus 1 for a planting machine, wherein the urethane mat W with seedlings is configured to stop at an accurate position.
[0006]
Further, in the invention according to claim 2, the transplanting part 12 is disposed on both sides on the upstream side in order to temporarily fix the urethane mat W with seedlings when the seedbed blocks W ′, W ′,. A plurality of mat pressing members 26, 26,... Arranged with two pressing rods 28, 28 which are raised and lowered by the air cylinders 25, and protrude to the downstream side for pressing and fixing the urethane mat W with seedlings from above. , Which are driven by air cylinders 31, 31,... Disposed on both sides on the downstream side, and are cut by the four holding rods 34, 34,. A plurality of mat retainers 32, 32,... For pressing and fixing the nursery blocks W ′, W ′,. One nursery block W ', W', ... from mat W Each separated, transplanted needles 47 and 47, in which the seedbed block separator 1 according to the planting machine according receiving pass structure as the that in claim 1, wherein the ....
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, a nursery block separating apparatus 1 for a planting machine according to the present invention will be described in detail with reference to the drawings.
FIG. 1 shows a side view of a planting machine 2 equipped with a seedbed block separating device 1 of the planting machine of the present invention. FIG. 2 shows a side view of the transplanting section 12 equipped with the seedbed block separating device 1 of the planting machine of the present invention. FIG. 3A shows a front view of the growing panel 7 to which the hydroponic seedlings 21 have been transplanted, FIG. 3B shows a plan view thereof, and FIG. 3C shows a urethane mat without seeding. (D) is a view showing one nursery block W ′ separated from the urethane mat W with seedlings.
[0008]
FIG. 4 is a view showing a state where the urethane mat W with seedlings is being conveyed on the upper conveyor 9 and the mat presser 26 and the mat presser 32 are on standby above. FIG. 6 is a diagram in which the urethane mat W has arrived at the downstream end 9a of the upper conveyor 9, and the mat presser 26 and the mat presser 32 descend to move the leading end of the urethane mat W with seedlings both upstream and downstream. It is a figure showing the state where it was pressed and fixed from. FIG. 7 is a partial perspective view of the upper conveyor 9 for explaining the proximity switch 14 as viewed from the upstream side. FIG. 8 is a partial perspective view of the upper conveyor 9 as viewed from the upstream side. FIG. 9 is a view of the block separating tool 40 viewed from the downstream side.
[0009]
First, the outline of the configuration of a planting machine 2 equipped with a seedbed block separating device 1 of the planting machine of the present invention will be described with reference to FIG. A panel loading portion 6 for stacking 7, 7,... Is provided, and a transfer piece (not shown) is provided between a sprocket 10 at the upstream end 4 and a sprocket 10 'at the downstream end 5. The endless chain provided with the endless chain provided at the interval is stretched, and the growing panels 7, 7,... Stacked on the panel stacking section 6 are transferred one by one from the lowermost section to the transplanting section 12 on the downstream side. Transport. Arrow A in the figure indicates the upstream side, and arrow B indicates the downstream side.
[0010]
As shown in FIGS. 1 and 2, an upper conveyor 9 (see FIGS. 4, 5, and 8), which is a slat conveyor, is disposed above the lower conveyor 8, and is mounted downstream of the upper conveyor 9. The placed urethane mats W with seedlings W, W,... Are conveyed to the downstream end 9 a of the upper conveyor 9, that is, to the transplanting part 12. In the transplanting section 12, the urethane mats with seedlings W, W,... Conveyed by the upper conveyor 9 are cut into single nursery blocks W ′, W ′,... And conveyed by the lower conveyor 8. Are transplanted into pot holes 7a, 7a, which are small circular holes with large openings between the plants. As described above, the configuration of the main body of the planting machine 2 is known from Patent Document 2 or earlier.
[0011]
The form of the urethane mat W with seedlings conveyed on the upper conveyor 9 is already commercially available, is made of a flexible urethane mat, and has a top surface as shown in FIG. Cuts 35, 35,... Are formed in the corners of the grid, and the cuts 35, 35,... Are lightly connected to each other. (See FIGS. 2 and 9) so as to be easily separated into small cubic seedbed blocks W ', W',... As shown in FIG. is there. The seeds of vegetables are sown by machines in seeding holes 36, 36,... In the center of the nursery blocks W ', W',... Constituting the urethane mats W, W,. In the process, hydroponic seedlings 21, 21,... Which have already germinated and are in the state of seedlings are arranged.
[0012]
As shown in FIG. 4, FIG. 5, and FIG. 7, the upper conveyor 9 has a number of slats 9b, 9b,... Substantially equivalent to placing one urethane mat W with seedlings on the endless chain. Are provided between the preceding slats 9b, 9b,... And the following slats 9b, 9b,. On the upper surface of the rearmost slat 9b of each of the slats 9b, 9b,. Are arranged in a line, and the lower surfaces of the seeding holes 36, 36,... Of the urethane mat W with seedlings are stabbed and placed on the mat locking pins 9d, 9d,. This is a guide for placing the urethane mats W with seedlings at an accurate position. The urethane mats W with seedlings are cut one by one into nursery blocks W ′, W ′,. , W ′,... Are gripped by the gripping needles 44, 44,. 7 shows a state in which the urethane mat W with seedlings is not placed on the first group of slats 9b, 9b,..., And reference numeral 9e denotes a case where the urethane mat W with seedlings is placed on the upper conveyor 9. It is a rim projection.
[0013]
The urethane mats W with seedlings placed on the upper conveyor 9 are conveyed and arrive at the downstream end 9a of the upper conveyor 9 to indicate that the photoelectric sensors 13 and 13 are installed on the frame of the upper conveyor 9 (FIG. 4). (A) and FIG. 5), and the proximity switch 14 (see FIG. 1, FIG. 4, FIG. 5, FIG. 7) fixed to the frame of the upper conveyor 9 with a bracket is connected to the subsequent slat 9b, 9b,... Slat stop bolts 9c projecting from the upper surface of the leading slat 9b of the group are detected so that the upper conveyor 9 stops. As a result, each of the slats 9b, 9b,... Stops at the correct position. An arrow A in FIG. 1 indicates a downstream side, and an arrow B in FIGS. 1, 4, 5, and 7 indicates a downstream direction which is a traveling direction.
In order to make the stop positions of the slats 9b, 9b,... Accurate, the nursery blocks W ′, W ′,. This is necessary for the seedbed block separating apparatus 1 of the planting machine of the present invention, which separates by grasping with the grasping needles 44, 44,.
[0014]
When the conveyed urethane mat W with seedling stops at the downstream end 9a of the upper conveyor, the air cylinders 31, 31 fixed to both sides on the downstream side of the transplanting section 12 are activated, and the "U-shaped" of the mat presser 32 is operated. Are lowered, and four pressing rods 34, 34,... Arranged at predetermined intervals on the "U-shaped" plates 33, 33,. The remaining two nursery blocks W ', W',... Next to the nursery blocks W ', W',... To be shredded with the gripping needles 44, 44,. The blocks W ', W',... Are lightly pressed from above by two presser bars 34, 34,.
[0015]
At about the same time, the presser rod supporting shaft 27 constituting the mat retainer lowers, and a pair of "inverted" presser rods 28, 28 arranged on the presser rod support shaft 27 at predetermined intervals. Are the nursery blocks W ', W',... On the upstream side of the nursery blocks W ', W',... Which are to be shredded with the grasping needles 44, 44,. The urethane mat W with seedlings is lightly pressed from above by the horizontal portions of the holding rods 28, 28,. Thus, the upper surfaces of the urethane mats W with seedlings around the seedbed blocks W ', W',... Which are to be shredded by the gripping needles 44, 44,.
[0016]
Each of the presser rods 28, 28, and the presser rods 34, 34,... Is coated with a buffer material such as synthetic rubber so as not to damage the hydroponic seedlings 21, 21,. The rods 28, 28,... And the presser rods 34, 34,... Depress the center of the hydroponic seedlings 21, 21,. The seedlings 21, 21,... Are not damaged. Even if the leaf tips are pressed by the holding rods 28, 28, and the holding rods 34, 34,. The place where 21, 21, ... pierced with the urethane mat fixed needle did not wither black, and the urethane mat fixed needle could be broken due to vibration or impact. Some say, "Even if you split the grass roots, you have to find it." It became a big accident. Reference numeral 29 in FIGS. 6 and 8 denotes a screw for adjusting the angle of the holding rods 28, 28,..., Which corrects the angles of the holding rods 28, 28,. This makes it possible to easily adjust the pressing force on the urethane mat W with seedlings.
[0017]
The seedling blocks W ', W',... Pressed by the holding rods 28, 28,... And the holding rods 34, 34,. 47, 47,... The upper conveyor 9 is set to intermittently slide in a plurality of stages (three stages in the embodiment) in the lateral direction by the operation of the air cylinder 15, and each time the presser bars 28, 28,. 34 are also moved up and down to repeatedly fix and release the upper surface of the urethane mat W with seedlings, to separate the nursery blocks W ', W',. I will do it.
[0018]
As shown in FIG. 5, the seedling blocks W ', W',... Are gripped by the gripping needles 44, 44, which are opened and closed by driving air chucks 43, 43,. ,... Are separated into single seedbed blocks W ′, W ′. Further, the rodless cylinder 41 is driven and conveyed, and is delivered to the transplant needles 47 of the transplant tool 46. When all the seedbed blocks W ', W',... In the top row of the urethane mat W with seedlings are cut and transported, the upper conveyor 9 moves forward and the seedbed blocks W 'in the second row of the urethane mat W with seedlings. W ′,... Is the first column. Then, the operation of separating the seedling blocks W ′, W ′,... One by one from the urethane mat W with seedlings again and transporting them to the transplant needles 47, 47,. In the conventional apparatus, the last row of the nursery blocks W ', W',... Is not effective in pressing the front and rear, and when one piece is cut, the remaining nursery blocks W ', W',. The nursery block separating apparatus 1 of the present invention has a problem in that it has to be constantly taken care of and suffers from human labor because it falls down. However, in the nursery block separating apparatus 1 of the present invention, the holding rods 28, 28, the holding rods 34, 34,. , 9d,..., The last one of the nursery blocks can be grasped with the grasping needle, and the planting operation can be smoothly performed.
[0019]
Each of the growing panels 7, 7,... Stacked on the panel stacking section 6 on the upstream side of the base 3 is a chain conveyor (not shown) provided with conveying pieces (not shown) at predetermined intervals. ), The hole detection sensors 52, 52 disposed near the downstream end 5 detect the pot holes 7a, 7a,. Reference numeral 8 indicates intermittent drive in accordance with the transplant. At the same time, the hole positioning tools 50, 50 are extended and retracted by the operation of the air cylinders 51, 51 to enter and exit the pot holes 7a, 7a, and the pot holes 7a, 7a corresponding to the operation of transplanting the transplant needles 47, 47,.・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Accurate positioning and time movement. When the hole positioning tools 50, 50 are fitted into the pot holes 7a, 7a, the transfer pieces (not shown) that have pushed and conveyed the rear end of the growing panel 7 are slightly retracted, and the hole positioning tools 50, 50 are moved to the growing panel. The position of the pot holes 7a, 7a can be accurately determined by eliminating the inertia of the 7 that is going to advance.
[0020]
The transplanted growth panels 7, 7,... Are gradually pushed and aligned on a temporary receiving table 53 connected ahead of the downstream end 5 of the base 3. At the downstream end 5, a watering pipe 54 having a plurality of watering ports 55, 55,... Is provided in the upper direction in the horizontal direction, and is directed toward the hydroponic seedlings 21, 21,. Sprinkle water. Below this, a basin 56 for receiving the sprinkled water is arranged. This is because the water contained in the nursery blocks W ′, W ′,... Is squeezed when the delivery is performed while being held by the grasping needles 44, 44,. It is for replenishment because it is issued.
[0021]
The lower conveyor 8 is driven by a gear motor M, and the upper conveyor 9 is driven by a gear motor M '. The cylinder of each part of the device is an air cylinder, but may be a hydraulic cylinder or an electromagnetic cylinder.
[0022]
【The invention's effect】
According to the first aspect of the present invention, as described above, by arranging the mat locking pin, the photoelectric sensor and the proximity switch, accurate positioning for cutting the nursery bed block from the urethane mat with seedlings with the grasping needle can be performed. It works.
[0023]
The urethane mat with seedlings around the nursery block to be shredded can be effectively fixed by pressing the upper surface of the nursery block around the nursery block from two directions, the upstream side and the downstream side, from the urethane mat with seedlings. Thus, there is an effect that the planting operation can be smoothly performed by grasping with the grasping needle without disturbing the last row of the seedbed block.
[Brief description of the drawings]
FIG. 1 is a side view showing the entire arrangement of a planting machine equipped with a seedbed block separating device of the planting machine of the present invention.
FIG. 2 shows a side view of a transplanting section equipped with a seedbed block separating device of a planting machine according to the present invention.
FIG. 3 (a) shows a front view of a growing panel to which a hydroponic seedling has been transplanted, and FIG. 3 (b) shows a plan view thereof. (C) shows a plan view of a urethane mat that has not been sown, and (d) shows one nursery block separated from the urethane mat with seedlings.
FIG. 4 is a view showing a state where the urethane mat with seedlings is being conveyed on the upper conveyor, and shows a state in which two mat retainers are on standby above.
FIG. 5 is a view in which the urethane mat with seedlings has arrived at the downstream end of the upstream conveyor, and two mat retainers have been lowered to fix the upper surface of the tip of the urethane mat with seedlings from both the upstream side and the downstream side. FIG.
FIG. 6 is a plan view showing a state in which the pressing rods of the two mat pressing members press and fix the distal end portions of the urethane mat with seedlings.
FIG. 7 is a partial perspective view of the upper conveyor showing the vicinity of the proximity switch.
FIG. 8 is a partial perspective view of an upper conveyor schematically showing a nursery bed separating apparatus.
FIG. 9 is a view of the block separating tool as viewed from a downstream side.
[Explanation of symbols]
A Upstream side B Downstream side W Urethane mat with seedling W 'Nurse block M Gear motor M' Gear motor 1 Nurse block separation device for planting machine 2 Planting machine 3 Base 4 Upstream end 5 Downstream end 6 Panel loading section 7 Growing panel 7a Pot hole 8 Lower Conveyor 9 Upper Conveyor 9a Downstream End 9b of Upper Conveyor 9b Slat 9c Slat Locking Bolt 9d Mat Locking Pin 9e Edge Locking Pin 10, 10 'Sprocket 11, 11' Sprocket 12 Implantation Unit 13 Photoelectric Sensor 14 Proximity Switch 15 Air Cylinder 21 Hydroponic seedling 25 Air cylinder 26 Mat presser 27 Presser bar support shaft 28 Presser bar 29 Angle adjusting screw 31 Air cylinder 32 Mat presser 33 “U-shaped” plate 34 Presser bar 35 Cut 36 Seeding hole 40 Block separator 41 rodless cylinder 42 air cylinder 43 air chuck 4 Grasping needle 46 implant 47 implanted needles 48 air cylinder 49 the air chuck 50 holes positioner 51 air cylinder 52 bore detecting sensor 53 temporary cradle 54 sprinkling pipe 55 mouth watering 56 basin 57 support legs 58 Control box

Claims (2)

A lower conveyor (8) is stretched on the base (3), and the growing panels (7) are placed one by one from the panel loading part (6) on the upstream side of the base (3), downstream of the base (3). The upper conveyor (9) is stretched over the transplanting part (12) on the side, and the urethane mat with seedlings (W) placed upstream thereof is transported to the transplanting part (12). The transplanted part (12) cuts the urethane mat (W) with seedlings into pieces for each nursery block (W ') with the gripping needle (44), and uses the transplanting needle (47) to cut the plurality of pot holes (7) in the growing panel (7). In the planting machine (2) for hydroponic seedlings to be transplanted in 7a),
The upper conveyor (9) is a slat conveyor, a plurality of slats (9b) are arranged in parallel with the length of the urethane mat (W) with seedlings, a space is opened between the respective slats (9b) groups, and thereafter, A plurality of mat locking pins (9d) for determining the placement position of the urethane mat with seedlings (W) are arranged on the end slats (9b), and the urethane mat with seedlings (W) is positioned at the downstream end of the upper conveyor (9). 9a) and a proximity switch (14) for detecting a leading slat fixing bolt (9c) of the succeeding slats (9b) group. A matting block separating device for a planting machine, wherein the mat (W) stops at an accurate position. In order to temporarily fix the urethane mat with seedlings (W) when cutting the seedbed block (W '), the transplanting parts (12) are moved up and down by air cylinders (25) arranged on both sides on the upstream side. A plurality of mat retainers (26) in which two retaining rods (28) protruding downstream are arranged for pressing and fixing the urethane mat (W) from above, and air cylinders disposed on both sides on the downstream side A plurality of mat retainers (32) for ascending and descending by (31) and pressing and fixing the nursery block (W ') beside the shredded nursery block (W') by four retaining rods (34) protruding upstream. ) Is provided, and the nursery blocks (W ′) are separated one by one from the urethane mat with seedlings (W) by the grasping needles (44) of the block separating tool (40) and transferred to the transplanting needles (47). The planting according to claim 1, wherein Nursery block separation apparatus.

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