JPH0546216U - Seedling extractor for transplanter - Google Patents

Abstract

(57) [Summary] [Purpose] Even in the case of stem-modified seedlings, smooth vertical feeding is possible. [Constitution] Seedling tray (1) mounted on the seedling stand (15)
6) In the structure in which the tray guide (56) for performing the vertical feeding guide is provided on the lower end side of the vertical feeding of the seedling placing table (15), the tray guide (56) is arranged in the vertical feeding direction of the seedling tray (16). The rear end is made to face the lower part of the seedling tray (16), and the middle part of the tray guide (56) is formed in an upward slope so that the front end of the tray guide (56) is made to face above the seedling tray (16).

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 In the present invention, a seedling tray is mounted on a seedling mounting table that can be moved back and forth from left to right, and pot seedlings for each strain, for example, are taken out from the seedling tray with seedling picking claws and sequentially transplanted. Seedling extraction device.

[0002]

[Prior Art]

 In the case where the seed guide tray is provided with a tray guide for guiding the vertical feed at the lower end of the vertical feed of the seedling placing table, the working surface of the tray guide is slidably contacted with the cell outer peripheral surface of the lower part of the seed tray, and Longitudinal feed guidance is provided.

[0003]

[Problems to be solved by the device]

 However, if the seedlings on the left and right outermost ends of the seedling tray have stems and leaves protruding outward due to stem deformation, etc., the tray guide and other accessory parts of the seedling mounting table may be hooked to smoothen the tray guide. As a result, the seedlings could not be picked up properly, the seedlings could not be picked up, the foliage was damaged, and the vertical feed was inadequate.

[0004]

[Means for Solving the Problems]

 Therefore, according to the present invention, in the structure in which the tray guide for vertically feeding the seedling tray mounted on the seedling mounting table is provided on the lower end side of the vertical feeding of the seedling mounting table, the tray guide of the tray guide is set with respect to the vertical feeding direction of the seedling tray. The rear end should face the lower part of the seedling tray, and the middle part of the tray guide should be formed with an upward slope so that the front end of the tray guide faces the upper part of the seedling tray, and the stem guide can be damaged by the guide of the tray guide. The vertical feeding of seedlings is carried out smoothly without any trouble, and high-precision seedling removal work is carried out without causing vertical feeding of seedlings or poor picking of seedlings.

[0005]

【Example】

 An embodiment of the present invention will be described below in detail with reference to the drawings. 1 is an explanatory view of the seedling guide part, and FIG. 2 is an overall side view of the transplanter. In the figure, (1) is a front frame on which the engine (2) is mounted, (3) is a front end of the front frame (1). The transmission cases (4) are connected to each other, the left and right traveling wheels are supported by the transmission case (3) via the transmission case (5) so as to be vertically swingable, and (6) is behind the transmission case (3). Seedling feeding device installed through chassis frame (7), (8) Seedling installed through left and right traveling wheels (4) in the mission case (3) through a transmission case (9) with a plant. A planting device, (10) a squeezing roller for squeezing the upper surface of the ridge, (11) a ridge guide roller disposed on the left and right sides of the squeezing roller (10), and (12) a plant-to-strain detection for adjusting the planting interval. The roller, (13) is a soil roller, and (14) is a gauge roller. The pot seedlings for one plant are taken out by the seedling take-out claws (17) from the seedling tray (16) on the seedling placing table (15) which moves left and right in the device (6), and the pot seedlings taken out are taken out. It is supplied to a hopper type planting claw (19) which moves up and down in conjunction with the multi-cutter (18) of the seedling planting device (8), and is supplied to the hopper-shaped planting claws by operating the steering handle (20). The pot seedlings are planted, that is, transplanted at regular intervals.

As shown in FIGS. 3 to 5, the seedling feeding device (6) laterally feeds the seedling take-out drive shaft (22) via the transmission chain (21) via the driving force from the mission case (3). A drive case (23), a seedling picking arm (25) for connecting and supporting a pair of left and right seedling picking claws (17) to the driving shaft (22) via a rotary case and a crank arm, and a seedling when the crank arm rotates. An arm guide plate (28) for guiding the guide (26) of the pick-up arm (25) along the guide groove (27) to a seedling pick-up position and a seedling discharge position in a straight line and in a swinging operation, and the seedling pick-up drive shaft (22). ), A vertical feed drive shaft (32) interlockingly connected to the vertical feed drive shaft (32) via a sprocket (29) (30) and a chain (31), and a swinging arm (34) on a fixed extrusion cam (33) of the vertical feed drive shaft (32). ) Via And a seedling push-out pin (36) for connecting the pin support (35) with each other, immediately before the seedling take-out claw (17) is thrust into the seedling tray (16) from above by the rotation of the drive shaft (22), The seedling extruding pin (36) is configured to protrude from the bottom surface side of the seedling tray (16) to extrude the seedling.

Further, the seedling supply device (6) is provided with vertical guide shafts (39) (40) for moving and guiding the lower left and right side plates (37) (38) of the seedling mounting table (15) left and right, The left and right pivot plates (42) are fixed to the upper ends of the left and right vertical frames (41) (41) whose base ends are fixed to the outside of the left and right side plates (37) (38), and are supported by the pivot plates (42). A pair of left and right seedling tray vertical feed chains (45) are stretched between the idle wheel (43) and the drive sprockets (44) supported by the left and right side plates (37) (38), When the seedling table (15) is laterally fed by the driving force via the lateral feed arm (46) to reach the end of left-right movement, the drive sprocket (44) is rotated by a certain angle and the seedling tray (for one pitch) ( It is configured to perform the vertical feed of 16).

Further, a tray guide plate (47) for guiding the bottom portion of the seedling tray (16) which is vertically fed is provided between the left and right pivot plates (42) and the left and right side plates (37, 38), and the left and right vertical flaps are also provided. An extension seedling stand (48) is provided between the upper ends of the rams (41), the upper portions of the left and right vertical frames (41) are bent backward, and the seedling placement stand (15) and the extension seedling stand (48) are omitted from a side view. In addition to forming a dogleg shape, open a passage space between the guide plate (47) and the extension seedling stand (48) through which the vertical feed chain (45) wound around the idle wheel (43) passes. Then, the vertical feed pin (49) of the chain (45) is gradually engaged with the recessed portion at the bottom of the cell (16a) in the seedling tray (16) between the extension seedling table (48) and the guide plate (47). Smooth seedling without pin (49) on the bottom of each cell (16a) The tray (16) is configured to be vertically fed.

Furthermore, cell guide ribs (50) which are a plurality of tray guide ribs for extending the lower end of the guide plate (47) and restricting the lateral displacement of the seedling tray (16) in the vicinity of the seedling take-out claw (17). ) (51) (52) is provided with tray guides (53), the left and right ends and the central rib (50) are directly fixed to the guide plate (47), and the left and right ends and the central rib ( The ribs (51) and (52) between the ribs (50) are exchangeably fixed to the guide plate (47) via the rib seats (54) and screws (55), and the cells are arranged in a row in the left-right direction. Each of the ribs (50) (51) (52) formed on the circumferential surface around the sprocket shaft (44a) of the drive sprocket (44) in the recessed portion (16a) is a guide surface (50a) at the outer periphery of the tip. (51a) (52a) The guide surface (50a) (51a) (52a) is made to enter and the movement of the bottom of the seedling tray (16) is guided.

Further, the transport pin (49) has a small protruding length from the chain (45) so that the cells (16a) at the left and right ends of the seedling tray (16) are individually engaged with each other. The rib height, which is the tray guide height from the guide plate (47) of the ribs (50) at the left and right ends and the center of the ribs, is set to the conveyance pin from the rib height of the other ribs (51) and (52). The bottom of the seedling tray (16) is slid onto the guide surfaces (51a) (52a) of the ribs (51) (52) at the time of vertical feeding of the seedling tray (16) by making it lower by about the diameter of (49). It is configured to guide you.

[0011] Furthermore, left and right foliage pulling up guides (56) for guiding the vertically deformed stalk deformed seedlings (A) and the like to the upper side of the feed start ends of the cell guide ribs (50) on the left and right outer sides. Then, the base that is the lower end side of the pulling up guide (56) via the mounting member (57) to the fixed seat (46a) of the transverse feed arm (46) fixed to the vertical frame (41). The end portion is fixed with a bolt (58), the middle portion of the guide (56) is inclined downward to the upper end side, and the middle portion of the guide (56) is curved in such a manner that the middle portion can be inserted inward, and the pull-up is performed. The seedling tray (16) is vertically fed with the tip end of the upper end of the guide (56) facing the outer peripheral surfaces of the lower left and right outermost cells (16a) of the seedling tray (16). The stems and leaves in the left and right outermost cells (16a) In the case of the stem deformed seedling (A) in a state where the stem protrudes to the outside, the foliage is gradually pulled up above the tray (16) along the upper working surface (56a) of the pulling guide (56), and the left right outside The cell guide ribs (50) are configured to smoothly enter the foliage without being caught.

The present embodiment is configured as described above, and the seedling tray (16) on the seedling mounting table (15) is vertically fed, and the seedlings (A) on the seedling tray (16) are fed with cell guide ribs ( 50) In the state of reaching the position, the rear end part is made to face the lower side of the seedling tray (16), and the front base part is gradually made to face the upper part of the seedling tray (16). Since the foliage of the seedling (A) is pulled inward by the upper working surface (56a) of the above, the seedling (A) of the seedling tray (16) is guided inside the cell guide rib (50). Even in the case of a stem deformed seedling (A) in which stems and leaves protrude outside the seedling tray (16), there is no inconvenience that the stems and leaves are damaged by being hooked on the cell guide ribs (50) or the seedling (A) is not fed vertically. Smooth vertical feeding causes problems such as poor seedling picking. High-precision seedling picking work that does not grow.

[0013]

[Effect of the device]

 As is apparent from the above embodiments, according to the present invention, the tray guide (56) for guiding the vertical feeding of the seedling tray (16) mounted on the seedling mounting table (15) is provided at the lower end of the vertical feeding of the seedling mounting table (15). In the structure provided on the side, the rear end of the tray guide (56) is made to face the lower part of the seedling tray (16) with respect to the longitudinal feeding direction of the seedling tray (16), and the middle portion of the tray guide (56). Since the front end of the tray guide (56) is faced above the seedling tray (16) by forming an upward slope, in the case of a stem deformed seedling (A) in which stems and leaves protrude outward from the seedling tray (16) However, with the guide of the tray guide (56), smooth vertical feeding without damage to the foliage can be performed, and highly accurate seedling removal work without causing vertical feeding failure or seedling removal failure of the seedling (A). Notable effect such as Achieve the.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a seedling guide section.

FIG. 2 is an overall side view.

FIG. 3 is a side view of a seedling placing portion.

FIG. 4 is a side view of a seedling guide section.

FIG. 5 is an explanatory plan view of a seedling guide portion.

[Explanation of symbols]

 (15) Seedling table (16) Seedling tray (56) Guide

Claims (1)

[Scope of utility model registration request] 1. A structure in which a tray guide for guiding the vertical feed of a seedling tray mounted on a seedling mounting table is provided on the lower end side of the vertical feeding of the seedling mounting table, the tray guide of the tray guide with respect to the vertical feeding direction of the seedling tray. With the rear end facing the bottom of the seedling tray,
A seedling take-out device for a transplanter, characterized in that a middle portion of the tray guide is formed in an upward slant so that a front end of the tray guide faces above the seedling tray.