JPH0657105U - Transplanter seedling feeder - Google Patents

Abstract

(57) [Summary] [Purpose] It was made possible to reliably and easily detect a missing plant in a pot seedling extruded into a seedling receiver using a detector such as a limit switch. [Structure] A seedling box feeding means for intermittently feeding the seedling box 11 in the longitudinal direction, a seedling pushing means for pushing out the horizontal row of pot seedlings 14 from the rear, a placing wall 20A, and a rising wall protruding upward from the placing wall 20A. 20B and a seedling feeding means for intermittently moving a large number of seedling receiving portions 20 in the lateral direction, and an inclined seedling receiving portion 20.
In the seedling feeding device of the transplanter equipped with the seedling feeding means for feeding the upper pot seedlings 14 one by one to the planting means, the notch 3 is formed in the rising wall 20B of the seedling receiving device 20.
0 is provided, and the pot seedling 14 of the seedling receiving device 20 is provided corresponding to the notch 30 so as not to prevent the intermittent movement of the seedling receiving device 20.
A missing stock detector 31 for detecting missing stocks of No.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a seedling feeding device for a transplanter.

[0002]

[Prior art]

 The seedling feeding device of the transplanter has a seedling box feeding means for intermittently feeding a seedling box having a large number of pots arranged vertically and horizontally, and a reciprocating movement for each intermittent feeding of the seedling box to make a row of rows of rows. A large number of seedling receivers each having a seedling pushing-out means for pushing out the seedlings from behind, a placing wall on which the pushed horizontal row of potted seedlings are placed, and a rising wall protruding upward from the placing wall. A seedling feeding means for intermittently moving the seedlings and a seedling feeding means for feeding the potted seedlings on the tilted seedling receiving means one by one to the planting means through the tilting movement of the seedling receiving means of the seedling feeding means. There is something.

[0003]

[Problems to be solved by the device]

 However, in the past, when detecting a pot seedling deficiency pushed out to the seedling receiver by the seedling pushing means using a detector such as a limit switch, if the detector is placed in the vicinity of the leaf stem of the pot seedling, the defect will occur. The presence or absence of the strain can be detected reliably and easily, but the detector interferes with the side plate of the seedling receiver, which hinders the intermittent movement of the seedling receiver in the lateral direction. Since it could not be installed in the vicinity, it was difficult to detect the missing strain reliably and easily.

In view of the above problems, the present invention is to enable reliable and easy detection of a pot seedling lacking in a seedling holder by using a detector such as a limit switch.

[0005]

[Means for Solving the Problems]

 The technical means of the present invention for solving this technical problem is one of seedling box feeding means 13 for intermittently feeding the seedling box 11 in which a large number of pots are arranged vertically and horizontally in the vertical direction, and one of the seedling boxes 11. The seedling pushing means 15 that reciprocates for each intermittent feed and pushes out the horizontal row of pot seedlings 14 from behind, the placing wall 20A on which the pushed horizontal row of pot seedlings 14 is placed, and the upper side from the placing wall 20A Seedling feeding means 21 for intermittently moving laterally a large number of seedling receiving means 20 having protruding rising walls 20B, and the inclined seedling receiving means 20 through the tilting movement of the seedling receiving means 20 of the seedling feeding means 21. In the seedling feeder of the transplanter equipped with the seedling feeding means 29 for feeding the upper pot seedlings 14 to the planting means 28, a notch 30 is provided in the rising wall 20B of the seedling receiver 20, Do not disturb the intermittent movement of the seedling receiver 20. Some way, that missing strain detector 31 for detecting the Ketsukabu of seedlings 14 corresponds seedlings bracket as 20 in the notch 30 is provided.

[0006]

[Action]

 By providing the stock stapling detector 31 corresponding to the cutout portion 30, it is possible to provide the stock stapling detector 31 in the vicinity of the pot seedling 14 without causing any inconvenience such as hindering intermittent movement of the seedling receiver 20. For this reason, if there is a stock in the horizontal row of pot seedlings 14 extruded onto the seedling receiver 20 by the seedling pushing means 15, the stockless detector 31 can detect the missing strain surely and easily. You can When the stock stall detector 31 detects stock stall, the traveling clutch 100 is disengaged, the transplanting operation is stopped, and only the seedling feeder 21 operates to move one seedling receiver 20 laterally intermittently. Then, the pot seedlings 14 of the missing strains are eliminated, and only the normal pot seedlings 14 are transplanted at the intervals between the strains set in the ridge 1 of the field.

[0007]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. In FIG. 4, which shows the transplanter as a whole in a side view, 1 is a ridge in the field, which is covered with a mulch film, and the transplanter 3 runs across the ridge. The transplanter 3 is a walking type, and has a front wheel 5 on one side of the front end of the traveling machine body 4 and rear wheels 6 on both sides of the rear part thereof. A handle 8 is provided on the rear end center side of the machine body 4.

Reference numeral 9 denotes a seedling box guide, which has a groove shape with a flat cross section as shown in FIG. 5, and a rail portion 9A into which a seedling box 11 having a large number of pot portions 10 arranged vertically and horizontally can be vertically inserted. Is provided on one side of the machine body 4. The rail portion 9A of the seedling box guide base 9 is curved in an arc shape as shown in FIG. 6, and the plastic seedling box 11 is inserted in the longitudinal direction along the curved line, and the flange portion of the seedling box 11 shown in FIG. By swingably engaging the feed claw 12 shown in FIG. 6 with the engaged hole 11B formed in 11A, the seedling box 11 is intermittently fed in the vertical direction. The seedling box feeding means 13 is used.

Behind the seedling box guide 9 is provided a seedling pushing means 15 for pushing the pot seedlings 14 in a horizontal row, and the seedling pushing means 15 reciprocates for each intermittent vertical feed of the seedling box 11. It is supposed to do. As shown in FIG. 5, the seedling pushing-out means 15 has a plurality of push rods 18 arranged in a row on a slider 17 that reciprocates along a pair of guide rails 16 to form a comb shape in a plan view, which is linked to a slider 17. The reciprocating force for each intermittent vertical feed of the seedling box 11 is transmitted via 19 or the like.

A hole 10A into which the push rod 18 can be inserted is formed at the bottom of the pot portion 10, and a hole into which the push rod 18 can also be inserted into the seedling box guide base 9 in face contact with the hole 10A. 9B is formed therein, and the push rod 18 advances to push out the pot seedlings 14 in a horizontal row of the pot portion 10 from behind. Below the seedling box guide 9, there are provided seedling feeding means 21 for endlessly arranging a large number of seedling receivers 20 for receiving the pushed horizontal rows of pot seedlings 14 and for intermittently moving the seedlings laterally.

As shown in FIGS. 7 and 8, the seedling feeding means 21 is formed by winding an endless chain 24 around a drive sprocket 22 and a driven sprocket 23, and is swingable around the spindle 25 around the chain 24. Seedling receivers 20 are arranged in a row. As shown in FIGS. 1 to 3 and 8, the seedling receiver 20 has an L-shape having a flat plate-shaped mounting wall 20A and a rising wall 20B formed by bending the plate-shaped mounting wall 20A on one side. A coil portion 26 is fitted on the shaft 25, and one end of the coil is engaged with the chain side, and the other end of the coil is engaged with the seedling receiving device side. The tool 20 is tilted.

A guide support plate 27 is fixed along the longitudinal direction of the chain 24 of the seedling feeding means 21 as shown in FIGS. 5 and 6, so that the seedling receiver 20 can be held in a substantially horizontal posture. A cutout step portion 27A is formed on the guide support plate 27 on the delivery side of the seedling feeding means 21, and when the seedling receiver 20 reaches the cutout step portion 27A, the seedling receiver 20 in the horizontal position is moved by the coil spring 26. There is provided seedling supply means 29 that tilts about the support shaft 25 as shown by the phantom line in FIG. 6 and slides the pot seedlings 14 on the seedling receiver 20 one by one to the planting means 28 to supply them.

As shown in FIGS. 1 to 3, notches 30 are provided on the rising wall 20 B of each seedling receiver 20, and each notch 30 is a pot seedling 14 placed on the seedling receiver 20. It is located at the position corresponding to the leaf stem. On the delivery side of the seedling feeding means 21, a stockout detector 31 for detecting stockouts of the pot seedlings 14 on the seedling receiver 20 is provided. The stock stall detector 31 is composed of a limit switch having an actuating piece 31A, and is arranged at a position corresponding to the cutout portion 30 of the seedling receiver 20 so as not to hinder the intermittent movement of the seedling receiver 20. Therefore, the operation piece 31A of the missing seed detector 31 is pressed by the leaf stems of the pot seedling 14 on the seedling receiving device 20 to turn on the missing plant detector 31, whereby the pot seedling on the seedling receiving device 20 is turned on. It is designed to detect 14 missing strains.

Further, as shown in FIG. 6, means 33 for forcibly feeding the pot seedlings 14 on the seedling receiving device 20 is provided on the delivery side of the seedling feeding means 21. This forced seedling feeding means 33 is provided with a seedling engaging lever 34 above and above the seedling receiving member 20 which is intermittently fed into an inclined posture as shown in FIG. 6 so as to be capable of intermittent reciprocating swing around a fulcrum 33A. A rocking force is transmitted to the shaft 34 by a link mechanism and a cam plate 35.

That is, the cam plate 35 is fixed to the drive shaft 35A from the speed change portion, and the cam roller 36A provided on the swing link 36 is pressed against the cam floor of the outer periphery of the cam plate 35 by the spring 37 to urge it. The swing link 36 and the relay link 38 are connected by the first link rod 39, and the relay link 38 and the seedling engaging lever 34 are connected by the second link rod 40.

Therefore, when a cam recess is formed on the cam floor of the cam plate 35 at a position of about 180 degrees, and the cam roller 36A falls into this cam recess by the action of the spring 37, the first link rod 39, the relay link 38, and The seedling engaging lever 34 is forcibly swung in the feeding direction around the fulcrum 33A via the second link rod 40 to forcibly feed the pot seedling 14. In addition, the planting means 28 includes a planting cup 42 that moves up and down by a parallel link 41 shown in FIG. 4, holds the pot seedling 14 when the planting cup 42 is at the top dead center, and pierces the ridge 1 at the bottom dead center. Transplant seedlings 14.

Reference numeral 43 shown in FIG. 4 is a burner for cutting a multi-film, which is moved up and down by an elevating and linking mechanism (not shown) to melt-cut the multi-film by heat before transplanting pot seedlings. Further, reference numeral 44 shown in FIG. 4 denotes a roller for pressing the soil around the transplanted seedling.

Further, in FIG. 5, reference numeral 45 is a guard for preventing the pot seedling 14 extruded by the seedling extruding means 15 from falling from the seedling receiving device 20, and is arranged in the feeding direction of the seedling feeding means 21. It is made of a transparent resin plate that is erected on the frame. A series of operations of the above-described embodiment will be briefly described. A horizontal row of pot seedlings 14 is placed in a horizontal position of the seedling receiving means 20 of the seedling feeding means 21 which is stopped, and a push rod 18 of the seedling pushing means 15 is pushed. When pushed out from behind, the pot seedling 14 is immediately received by the seedling receiver 20.

After that, the seedling feeding means 21 is intermittently fed, and when the seedling receiver 20 reaches the notch step portion 27A on the sending side, the spring 26 moves downward toward the planting means 28 side at the top dead center. In a tilted posture, the pot seedling 14 is slid off and supplied to the planting means 28. When the planting cup 42 of the planting means 28 which receives and holds the pot seedling 24 descends and pierces the ridge 1, the pot seedling 14 is transplanted into the film hole melted by the burner 43 with a predetermined pitch.

When the planting cup 42 returns to the top dead center after transplanting, the seedling receiver 20 operates again by one pitch, and when the transplanting of the pot seedlings 14 in one horizontal row is completed, the seedling box 11 is vertically transported by one pitch. Then, the same operation as described above is performed. FIG. 9 shows a mechanical diagram of the power system. In the figure, the power of the engine 7 is linked to a rotary shaft 53 via a belt transmission mechanism 51 and a gear mechanism 52. The rotating shaft 53 is linked to the rear wheel 6 via a gear mechanism 54 and a chain transmission mechanism 55. Further, the rotating shaft 53 is interlocked with the rotating shaft 58 via gear mechanisms 60, 56 and a bevel gear mechanism 57.

A pawl-type main clutch 59 is interposed between the gear mechanism 52 and the gear mechanism 54 of the rotary shaft 53. The rotating shaft 58 is connected to a cylindrical rotating shaft 63 via a bevel gear mechanism 62, and the rotating shaft 63 is connected to a rotating shaft 65 via an electromagnetic clutch 64. An inter-stock detection sprocket 66 is externally fitted and fixed to the cylindrical rotary shaft 63, and the proximity switch 67 detects the concave and convex of the outer peripheral portion of the sprocket 66. The sprocket 66 and the proximity switch 67 constitute a pulse generator 68 that generates a pulse in synchronization with the rotation of the cylindrical rotary shaft 63.

The rotating shaft 65 is interlocked with a planting shaft 70 via a belt transmission mechanism 69. The planting shaft 70 is interlockingly connected to the parallel link 41 shown in FIG. 4, and the planting cup 42 moves up and down while drawing an ellipse for each rotation of the planting shaft 70. Further, the planting shaft 70 is interlocked with the burner 43 for the multi-film cut via a cam mechanism or the like, and the burner 43 is moved up and down in synchronization with the rotation of the planting shaft 70.

The planting shaft 70 is linked to a rotating shaft 73 via a chain transmission mechanism 72. The rotating shaft 73 is interlocked with the rotating shaft 76 via a bevel gear mechanism 74 and a gear mechanism 75. The rotary shaft 76 is provided with a seedling box feeding cam 77 of the seedling box feeding means 13 and a seedling pushing cam 78 of the seedling pushing means 15. The seedling box feeding cam 77 is for swinging the feeding claw 12, and the seedling pushing cam 77 is for moving the slider 17 back and forth.

Further, the rotary shaft 73 is interlocked with the drive sprocket 22 of the seedling feeding means 21 via an intermittent mechanism (geneva gear) 80 and a chain transmission mechanism 81 so as to intermittently move the seedling receiver 20. Has become. FIG. 10 shows a block diagram of the control system. In FIG. 10, reference numeral 82 is a main switch, 83 is a main clutch switch, and a main clutch actuating motor 87, which will be described later, is connected to the power source side to enable connection of the main clutch 59. Reference numeral 84 is a planting clutch switch for actuating the planting clutch to bring the transplanter into a transplantable state. A seedling box detection switch 85 is provided on the seedling box guide table 9 and the like, and detects that the seedling box guide table 9 has a seed box 11. A planting cup upper limit detection switch 86 is provided above the parallel link 41 as shown in FIG. 4, and detects that the planting cup 42 is at the top dead center. Reference numeral 87 denotes a main clutch actuating motor, which switches the connection / disconnection of the main clutch 59 via a main clutch lever 88 as shown in FIG. Reference numeral 90 denotes a crop setting switch for setting the type of crop to be planted such as cabbage and lettuce. Reference numeral 91 is a fine adjustment switch for fine adjustment between stocks. Reference numeral 92 is an inter-stock indicator for displaying the set value between stocks, which is composed of a display lamp or a 7-segment LED. When the display lamp is used, the stock interval is adjusted by changing the blinking interval and when the 7-segment LED is used, the stock display is adjusted The setting value of is displayed.

Reference numeral 93 is a control means, which is composed of a microcomputer having a function of counting the pulses from the pulse generator 68 and other arithmetic processing functions, and includes switches 82, 83, 84, 85, 86, 90, The signals from 91 and the stock-missing detector 31 are input, and the main clutch actuating motor 87, the electromagnetic clutch 64, the inter-stock indicator 92, and the running clutch 100 are controlled in accordance with a predetermined set control sequence. The control means 93 controls the motor control unit 95 for on / off control of the main clutch actuating motor 87, the electromagnetic clutch disconnection control unit 96 for controlling the disconnection of the electromagnetic clutch 64, and the interval for connecting the electromagnetic clutch 64. The crop-specific control unit 97 for controlling the target, a fine adjustment control unit 98 for finely adjusting the interval at which the electromagnetic clutch 64 is connected, and a stock-out control unit 99. Have.

The motor control unit 95 turns on the main clutch operating motor 87 when the seedling box detection switch 85 detects the seedling box 11 and is turned on, and also turns on the main clutch when the seedling box detection switch 85 is turned off. The operation motor 87 is turned off. The crop-specific control unit 97 controls the interval at which the electromagnetic clutch 64 is connected by the number of pulses of the pulse generator 68 so as to obtain a stock interval according to the crop set by the crop setting switch 90. The fine adjustment control unit 98 finely adjusts the interval for connecting the electromagnetic clutch 64 by the number of pulses of the pulse generator 68 so as to finely change the distance between the stocks according to the operation of the fine adjustment switch 91. That is, as shown in FIG. 14, the control units 97 and 98 set the number of pulses corresponding to the switch operation of the crop setting switch 90 and the switch operation of the fine adjustment switch 91, and the set pulse value and the electromagnetic clutch 64 are disengaged. In the disconnected state, the number of pulses input from the pulse generator 68 is compared, and if they are not equal, the electromagnetic clutch 64 is switched from off (disconnected) to on (connected).

The electromagnetic clutch disconnection control unit 96 switches the electromagnetic clutch 64 from ON to OFF when the planted cup upper limit detection switch 86 detects the upper limit in the connected state of the electromagnetic clutch 64. When the stock deficiency detector 31 detects the stock deficiency of the pot seedling 14 on the seedling receiver 20, the stock deficiency control unit 99 disconnects the running clutch 100 shown in FIG. 9 and also stops the transplant operation. Only the seedling feeding means 21 is operated to intermittently move one seedling receiving device 20 laterally.

Next, the operation will be described with reference to the flowcharts of FIGS. 12 and 13 and the time chart of FIG. At the time of transplantation work, first, the seedling box 11 is loaded into the seedling box guide base 9, and the main switch 82, the planting clutch switch 84 and the main clutch switch 83 are turned on (steps 1 to 3) to start the transplanting work. . Then, in step 4, it is determined whether or not the seedling box detection switch 85 is on. If it is on, the main clutch actuating motor 87 is turned on in step 6 and the process proceeds to step 7. At this time, the main clutch actuating motor 87 is turned on to bring the main clutch 59 into an engaged state, and the power of the engine 7 is transmitted to the rotary shaft 63 via the main clutch 59 and synchronized with the rotation of the rotary shaft 63. Then, as shown in FIG. 14, pulses are generated from the pulse generator 68 at regular intervals. On the other hand, if the seedling box detection switch 85 is off, the main clutch operating motor 87 is held off at step 5, and the process returns to step 4.

In step 7, the electromagnetic clutch 64 is turned on. As a result, the power of the engine 7 is transmitted to the planting shaft 70 via the main clutch 59 and the electromagnetic clutch 64, and is also transmitted to the seedling pushing cam 78, the seedling box feeding cam 77 and the seedling feeding means 21 for stepping. The transplanting operation is performed by rotating the planting cup 42 of FIG. In step 9, it is determined whether or not the planting cup upper limit detection switch 86 is on. If it is on, the electromagnetic clutch 69 is turned off in step 10, and if it is not on, the process returns to step 8 to rotate the planting cup 42. Let it continue.

After the electromagnetic clutch 64 is turned off in step 10, the process proceeds to step 11, and in step 11, the pulse set value determined by the switch operation of the crop setting switch 90 and the fine adjustment switch 91 and the pulse generator 68 are set. Compare the number of generated pulses, and if the pulse set value and the counted number of pulses are equal, proceed to step 12, and in step 12, display the inter-stock set value on the inter-stock display 92 and then step. Returning to 7, the electromagnetic clutch 64 is turned on. If the pulse set value and the counted number of pulses are not equal, the process returns to step 10 and the electromagnetic clutch 64 is kept off. As a result, the interval between the electromagnetic clutches 64 is obtained according to the crop set by the crop setting switch 90, and the stock between the stocks finely adjusted by the fine adjustment switch 91 is obtained.

In the above embodiment, the engine 7 is used as the driving means, but instead of this, a motor or the like may be used as the driving means. Further, in the above-mentioned embodiment, the switches 90 and 91 are used as the crop setting means and the fine adjusting means, but the crop setting means and the fine adjusting means are not limited to this, and push lead, dial or the like may be used. Good. Further, in the above-described embodiment, when the stock stall detector 31 detects stock stall of the pot seedling 14 on the seedling receiver 20, the traveling clutch 100 is disengaged and the transplanting operation is stopped, and only the seedling feeding means 21 is operated. The seedling receiver 20 is operated to intermittently move one seed piece laterally, but instead of this, when the stock stapling detector 31 detects a stock stall of the pot seedling 14 on the seedling stocker 20, The intermittent movement of the seedling receiving device 20 by the feeding means 21 is advanced by one unit, thereby eliminating the pot seedlings 14 with missing strains, and only the normal pot seedlings 14 are transplanted at the intervals between the strains set in the ridge 1 of the field. You may choose to continue.

[0032]

[Effect of device]

 According to the present invention, the notch 30 is provided on the rising wall 20B of the seedling receiver 20, and the notch 30 corresponds to the notch 30 so as not to prevent the intermittent movement of the seedling receiver 20. Since the missing stock detector 31 for detecting the missing stock in the pot seedling 14 is provided, the detector 31 can be arranged in the vicinity of the pot seedling 14, and the missing stock detector 31 can accurately detect the missing stock. It can be easily detected. Moreover, the defective plant detector 31 does not cause any inconvenience that hinders the intermittent movement of the seedling receiving device 20, and its practical effect is significant.

[Brief description of drawings]

FIG. 1 is a perspective view of a seedling feeding means portion showing an embodiment of the present invention.

FIG. 2 is a rear view of a seedling receiving part.

FIG. 3 is a side view of a seedling receiving part.

FIG. 4 is an overall side view of the transplanter.

FIG. 5 is a plan sectional view of the transplanter.

FIG. 6 is a vertical sectional view of the transplanter.

FIG. 7 is a front view of seedling feeding means.

FIG. 8 is a front view of a seedling box feeding means.

FIG. 9 is a mechanical diagram of a power system.

FIG. 10 is a block diagram of a control system.

FIG. 11 is a perspective view of a motor and a main clutch lever.

FIG. 12 is a flowchart for explaining the operation.

FIG. 13 is a flowchart for explaining the operation.

FIG. 14 is a time chart.

[Explanation of symbols]

 11 seedling box 13 seedling box feeding means 14 pot seedling 15 seedling pushing means 20 seedling receiver 20A mounting wall 20B rising wall 21 seedling feeding means 28 planting means 29 seedling feeding means 30 notch portion 31 streak detector

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Hiroaki Ema Inventor Hiroaki Ema 64, Ishizukitamachi, Sakai City, Osaka Prefecture Kubota Sakai Factory Co., Ltd. (72) Yuuji Izumino, 64, Ishizukitamachi, Sakai City, Osaka Prefecture (72) Inventor Yuuji Watanabe 64 Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Sakai Factory Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A seedling box feeding means (1) for intermittently feeding a seedling box (11) in which a large number of pots are arranged vertically and horizontally in a vertical direction.
3), seedling pushing means (15) for reciprocatingly moving the seedling box (11) at every intermittent feed to push the horizontal row of potted seedlings (14) from behind, and the pushed horizontal row of potted seedlings (1)
4) A mounting wall (20A) for mounting the same and the mounting wall (20A)
Seedling feeding means (21) for intermittently laterally moving a large number of seedling receiving means (20) having rising walls (20B) protruding upward from the seedling receiving means (21) and inclination of the seedling receiving means (20). A seedling feeding device of a transplanter, comprising seedling feeding means (29) for feeding potted seedlings (14) on the tilted seedling receiver (20) to the planting means (28) through movement, The rising wall (20B) of the seedling receiving device (20) is provided with a notch (30), and the seedling corresponding to the notch (30) so as not to prevent the intermittent movement of the seedling receiving device (20). Receiver (2
0) A seedling feeding device for a transplanter, which is provided with a stockout detector (31) for detecting stockouts in the pot seedling (14).