JPH0711530Y2 - Seedling alignment device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a seedling aligning device, and in particular, various seedlings grown in a nursery box for raising seedlings, such as onions, are sequentially aligned on a seedling winder. The present invention relates to a seedling aligning device for accurately aligning seedlings of tape-rolled seedlings in an automatic seedling feeding device.

[Conventional technology]

For example, when cultivating onions, etc., use a nursery box for raising seedlings that divides the inside of a box of a predetermined size to form multiple seedling rooms, grow the seedlings in the greenhouse until the transplanting time, and then Tape wound seedlings sandwiched between two tapes are formed at intervals, and the tape wound seedlings are set in a tape type automatic feeding and transplanting machine and transplanted to a field.

The applicant of the present invention has already filed a utility model registration application for a seedling aligning device in the seedling automatic feeding device for constructing the tape wound seedling (Japanese Utility Model Application No. 63-98443). The structure of the seedling aligning device in this automatic seedling supplying device will be described with reference to FIGS. 6 and 7.

In the figure, 1 is a seedling transfer device, 2 is a seedling alignment device, 3
Is the seedling holder, and the seedlings discharged from the tip of the seedling transfer device 1 are stored in the seedling holder 3. The seedling holder 3 is a flat plate 5 that can be opened and closed by an actuator inside the support frame 4.
Are provided at a predetermined interval. The support frame 4 has a support shaft 6 at both ends thereof, and the support shaft 6 is supported by a mounting frame 7 fixed to the frame via bearings. The seedling holder 3 is provided so as to tilt by a tilting device (not shown) about the support shaft 7 in order to align the seedlings. 8 is a conveyor of the seedling winder arranged below the seedling holder 3, 10 is a lug attached to the conveyor 8,
11 is a seedling inserted in the valley of rug 10.

[Problems to be solved by the invention]

Since the support shaft 6 of the seedling holder 3 is supported by the mounting frame 7, the drop distance L between the lower side of the seedling holder 3 and the upper side of the conveyor 8 of the seedling winding machine is such that the seedling holder 3 is rotated and tilted. It will be as long as it works. From this fact, while falling by the seedling holder 3, the seedlings 11 having an unfavorable posture, such as seedlings with open leaf blades and curved seedlings, do not enter the valley of the lug 10 of the conveyor 8 and the arrangement of seedlings becomes bad (seventh). Figure).

If the tape winding seedlings are constructed by the seedling take-up machine when the seedlings 11 on the conveyor 8 are not aligned well, the posture of planting the seedlings in the field by the tape-type automatic feeding and transplanting machine becomes poor, and there are many errors between the plants. Or For this reason, there has been a drawback that the outer size of the crops in the harvester is not constant and the efficiency of the sorting work is reduced.

It is an object of the present invention to provide a seedling aligning device with the above drawbacks improved.

[Means for solving problems]

In order to achieve the above object, the seedling aligning device according to the present invention comprises:
On the seedling discharge side of the seedling transfer device in the automatic seedling feeder, flat plates are arranged inside the support frame at predetermined pitch intervals, and the flat plates are opened and closed so that the seedlings can be stored inside and tilted. An aligning device having a seedling holder arranged to align the seedlings with the device is arranged, and the seedlings are dropped from the seedling aligning device to form the tape-rolled seedlings on the tape of the seedling winder. In the device for sequentially supplying the seedlings, the seedling holder is configured to be vertically movable by an up-and-down moving device until it comes close to the tape of the seedling winding machine.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is a schematic perspective view of an embodiment of the present invention, in which 12 is a seedling automatic feeding device including a seedling pushing device 13, a seedling box feeding device 14, and a seedling transferring device 15, and 16 is a tip of the seedling transferring device 15. Numeral 17 is a seedling aligning device, and numeral 17 is a seedling winding device disposed below the seedling aligning device 16.

The seedling box feeding device 14 is configured as follows. That is, 18 is a seedling box mounting stand that is erected in an upright state, and is configured in a U-shaped cross section with side plates 20 and 20 at both left and right ends and a bottom plate 21, and a seedling pushing device at the lower end of the bottom plate 21. A horizontally long window hole through which 13 penetrates and small holes are provided at both lower ends of the window hole.

22 is a feed gear attached to both lower end portions of the seedling box mounting table 23. This feed gear 22, for example, when the seedling pushing operation is completed, the seedling raising box 24 for raising seedlings is driven in one pitch so that the seedling chambers in a horizontal row.
It is set to move down for 25 minutes. Further, the seedling pushing device 13 for taking out the seedlings 11 grown in the seedling room 25 is installed on a support table 23 provided behind a seedling box 24 for raising seedlings via a fixture 25.

Therefore, each extrusion rod 26, 2 in the extrusion device 13 is
The tip of 6, ... goes through the window of the seedling box mount 18 and the seedling box 24 for raising seedlings
The seedling 11 can be extruded from the opening of the seedling room 25 by being penetrated through the holes of each seedling room of, and the seedling 11 can be continuously extruded by the forward and backward reciprocating operation of the pushing rods 26, 26 ,. From seedling box stand 18
Can be taken out in front of.

In the seedling transfer device 15, 27 is a mounting frame that is substantially fan-shaped when viewed from the plane where the front is widened, and this mounting frame 27 is a mounting bracket 28.
Is connected to the seedling box mounting table 18 of the seedling box feeding device 14 via a conveyor receiver (not shown) provided in this mounting frame 27,
Endless structure, the base side is a row of seedlings in a row of the seedling box 24 for raising seedlings.
25, 25, ... The pitch interval is made to coincide with each other, the front end side is gradually expanded and arranged, and the conveyors 30, 30, ... Group in which adjacent intervals are formed with a wide pitch interval are arranged in a plurality of rows. is there.

Next, in the seedling winding machine 17 arranged below the seedling holder 31 of the seedling alignment device 16, 33 is a plurality of lugs 32 provided at a predetermined interval.
And a lower tape 34 arranged on the seedling arranging conveyor 33. Then, the seedling 11 dropped from the seedling holder 31 is placed on the seedling arranging conveyor 33 and the lower tape 34
After being transferred onto the top, it is sandwiched between the lower tape 34 and the upper tape 35 to form a tape roll 36.

Next, the seedling aligning device 16, which is a main part of the present invention, will be described in detail. The seedling aligning device 16 includes a seedling holder 31 for aligning the seedlings 11 and a tilting device 38 for tilting the seedling holder 31 for rotation.

The seedling holder 31 is for receiving the seedlings 11 transferred from the seedling transfer device 15 and discharged from the discharge end 40, and holding them in an aligned manner. A pair of flat plates 41, 41 is placed in a rectangular support frame 42. The flat plate 41 and the flat plate 41 are openably and closably opened by an actuating device 43. Further, the center of the space formed by the flat plates 41 and 41 (that is, the seedling storage portion) and the conveyor of the seedling transfer device 15
The seedlings 11 are arranged so as to fall in the center between the pair of flat plates 41, 41 so as to coincide with the center of 45.

Next, a vertical movement device that moves the seedling holder 31 up and down.
The 37 and the tilting device 38 that tilts in the front-rear direction will be described.

First, the vertical movement device 37 includes a mounting arm 46 that supports the seedling holder 31, and vertical cams 47, 47. Further, the support shafts 42, 50 on both side plates 50, 50 of the support frame 42 supporting the seedling holder 31,
51 is provided, and the support shafts 51, 51 are pivotally supported by the support cases 52, 52 attached to the tip ends of the mounting arms 46, 46 via bearings such as oil-impregnated bearings, thereby supporting the seedling holder 31 as a support shaft. It is supported rotatably by a predetermined angle with 51, 51 as a fulcrum.

A support case 53 with a bearing installed in the center of the mounting arms 46, 46.
Is provided, and the mounting arm 46 is supported so as to be rotatable around the support shaft 54 as a fulcrum. The support shaft 54 is a support plate 5 provided on the frame 55.
It is pivotally supported by bearing units 57, 57 attached to 6, 56 (see FIG. 2).

A shaft 58 is provided at the rear of the mounting arm 46, and rolling elements 60, 60 are attached to the shaft 58.
Is installed. The outer peripheral surfaces of the rolling elements 60, 60 are in contact with the outer peripheral surfaces of the upper and lower cams 47 attached to both ends of the cam shaft 61. On the other hand, the cam shaft 61 has support plates 56, 5 provided on the frame 55.
6 is supported by bearing units 62, 62 at the rear of the support shaft 54, and a transmission device 63 such as a sprocket is driven by a drive device.
The clutch 64 allows the transmission to be turned on and off.

Next, the tilting device 38 will be described.
The arm 64 is attached to the support shaft 51 provided on both side plates 50, 50 of the support frame 42 of
(The left side in FIG. 3) is fixed. This arm 64
And an arm 65 integrally attached to a support case 66 fitted to the support shaft 54 are connected by a link 67. Inside the support shaft 54, an arm 67 is attached at an appropriate angle with respect to the arm 65. A link 70 connects the arm 67 and the tilt arm 68. Tilting arm 68
Is rotatably attached to a support shaft 71 provided on a support plate 56, and a rolling element 73 is provided in the middle of the tilt arm 68 via a shaft 72.
Is installed. The rolling element 73 is brought into contact with the inclined cam 74 attached to the cam shaft 61.

The outer peripheral shapes of the upper and lower cams 47 and the inclined cam 74 are formed so as to have an arbitrary radius from the center of the cam shaft 61. Outer peripheral shape of the upper and lower cams 47 and a mounting arm that mounts the rolling elements 60 that come into contact with this
Explaining the relationship with 46, 46, if the rolling element 60 comes into contact with the cam shaft 61 at a position where the radius is smaller than the center of the cam shaft 61, the position of the tip end support case 52 of the mounting arm 46 is on the lower side.
Approaches the conveyor 33. On the contrary, if the rolling elements 60 come into contact with each other at a position where the radius is larger than the center of the cam shaft 61, the seedling holder 31
Rises.

Further, when the seedling holder 31 is lifted by the vertical movement device 37, the tilting cam 68 and the rolling element 61 forming the tilting device 38 cause an angular displacement of the tilting arm 68, which causes the seedling holder 31 to rotate and tilt forward and backward. Can be done.

[Operation of Example]

 The operation of the embodiment will be described below.

The seedling box 24 for raising seedlings, in which the seedlings 11 are grown in the house, is placed on the seedling box mounting table 23 of the seedling box feeding device 14, and the seedlings are extruded by the seedling pushing device 13.
11 is pushed to the seedling transfer device 15 side. The seedlings 11 extruded onto the conveyor 30 group of the seedling transfer device 15 are discharged from the discharge end 40 to the seedling holder 31 of the seedling alignment device 16 at a predetermined pitch interval.

When the seedling 11 is released from the seedling transfer device 15, the seedling holder 31
Is located on the upper side by the vertical cam 47 of the vertical movement device 37,
The tilting cam 74 of the tilting device 38 allows the tilting device to be tilted forward by an arbitrary angle (FIG. 3).

The seedling holder 31 is stopped for a certain period of time, and after the seedlings are stored,
By tilting cams 74 attached to the rotating cam shaft 61, they are tilted rearward to align the seedlings 11 (Fig. 4).

Next, the seedling holder 31 is moved downward by the upper and lower cams 47 and, at the same time, is gradually made parallel to the upper surface of the conveyor 33 of the seedling winder 17 by the inclined cam 74. Therefore, the seedling holder 31 comes close to the distance M without colliding with the lug 32 of the conveyor 33.

The seedling holder 31 holds the seedlings 11 and detects the quantity of the seedlings 11 on the moving conveyor 33 by a quantity detection sensor (not shown) of the control device.
Detected by the seedling holder 31 by the controller
By operating an actuator such as a solenoid that opens and closes each of the flat plates 41, 41, the flat plates 41, 41 are opened, and the seedlings 11 are aligned and dropped on the conveyor 33.

As described above, the seedlings 11 arranged on the seedling arranging conveyor 33 are wound up by the seedling winding machine 17 by the upper and lower two tapes 34 and 35 to form a tape winding seedling 36.
The seedlings can be transplanted to a field by setting a tape-type automatic feeding transplanter.

[Effect of device]

In the seedling aligning device according to the present invention, since the seedling holder is provided to be vertically movable and rotatable and tilted at an arbitrary angle,
Even if there are seedlings grown in a nursery box for raising seedlings, especially those with a bad posture such as open leaf blades and curved seedlings,
After the seedling holder approaches the conveyor of the seedling winder, the seedling can be gently dropped between the lugs of the conveyor. That is, the seedlings can be surely put in the conveyor for arranging seedlings.

Therefore, when it becomes a tape-rolled seedling, since each seedling is regularly sandwiched by the tape, when seedlings are planted in the field with a tape-type automatic feeding transplanter, the rooting condition is improved,
The outer size of the crops at the time of harvest is constant, the efficiency of the sorting work is good, and the quality of the crops is improved.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a state in which the seedling aligning device of the present invention is attached to a seedling automatic feeder, and FIG. 2 is a partial sectional plan view of FIG. 1, FIG. 3, FIG. 4, and FIG. Fig. 6 is an explanatory view showing the working state of the present invention, Fig. 6 is a partially cutaway plan view of the conventional example, and Fig. 7 is a plan view showing the arrangement of seedlings of the conventional example. 11 ... Seedling, 12 ... Seedling automatic supply device, 15 ... Seedling transfer device, 16 ... Seedling aligning device, 17 ... Seedling winding machine, 31 ... Seedling holder, 34, 35 ...
Upper and lower tapes, 36 ... Tape winding seedlings, 37 ... Vertical movement device,
38 ... Tilt device, 40 ... Seedling discharge end, 41 ... Flat plate, 42 ... Support frame.

Claims (1)

[Scope of utility model registration request] 1. A flat plate is arranged inside a support frame at predetermined pitch intervals on the seedling discharge end side of a seedling transfer device in an automatic seedling feeder, and the flat plates are opened and closed to store seedlings therein. A seedling winding machine that is capable of arranging a seedling holder having a seedling holder adapted to align seedlings by a tilting device, drops the seedlings from the seedling aligning device, and forms a tape-rolled seedling In the device for sequentially supplying the seedlings onto the tape, the seedling holder is configured to be vertically movable by a vertical movement device until the seedling holder approaches the tape of the seedling winder.