JP2005034106A5 - - Google Patents

Claims (10)

A first rotating body (161) rotatably supported on the machine body side, a second rotating body (162) rotatably supported on the free end side of the first rotating body (161), and a second rotation A rotation support shaft (163) rotatably supported on the free end side of the body (162) is provided, and the planting cup (155) is supported on the rotation support shaft (163) via a support member (164). In conjunction with the rotation of the first rotating body (161), the second rotating body (162) is rotated in the direction opposite to that of the first rotating body (161), and the rotation support shaft (163) is moved to the second rotating body. In the planting cup drive mechanism of the transplanting machine that is rotated in the opposite direction to (161) and moves the planting cup (155) up and down,
The rotation speed of the rotation support shaft (163) is changed every rotation so that the planting cup (155) moves up and down with the rotation of the first rotation body (161). A transplanting cup drive mechanism for a transplanter, characterized in that it is varied within a rotation period of. A first rotating body (161) rotatably supported on the machine body side, a second rotating body (162) rotatably supported on the free end side of the first rotating body (161), and a second rotation A rotation support shaft (163) rotatably supported on the free end side of the body (162) is provided, and the planting cup (155) is supported on the rotation support shaft (163) via a support member (164). In conjunction with the rotation of the first rotating body (161), the second rotating body (162) is rotated in the direction opposite to that of the first rotating body (161), and the rotation support shaft (163) is moved to the second rotating body. In the planting cup drive mechanism of the transplanting machine that is rotated in the opposite direction to (162) and moves the planting cup (155) up and down,
The rotation speed of the rotation support shaft (163) is changed every rotation so that the planting cup (155) moves up and down with the rotation of the first rotation body (161). The transplanting cup drive mechanism of the transplanting machine is characterized in that it is made to fluctuate relatively with respect to the rotational speed of the second rotating body (162) within the rotation period. The support member (164) protrudes in the front-rear direction from the rotation support shaft (163), and the support member (164) swings up and down with respect to the body side as the first rotating body (161) rotates. The rotation period of the rotation support shaft (163) is changed to the second rotating body (155) so that the planting cup (155) displaces to the front side when descending and displaces to the rear side when rising and swells back and forth. The rotation speed of the rotation support shaft (163) is regularly changed within a rotation cycle for each rotation while being kept the same as the rotation cycle of 162). Planting cup drive mechanism of transplanter. On the free end side of the second rotating body (162), an output rotating body (174) is rotatably supported around the reference axis (X) , and the output rotating body (174) is rotated by the second rotating body (162). Is provided with a transmission mechanism (202) that rotates in the reverse direction at the same speed as the second rotating body (162), and is eccentric with respect to the reference axis (X) of the output rotating body (174). The rotation support shaft (163) is rotatably supported around the center (Y) , and the planting cup (155) is attached to the second rotating body (162) as the first rotating body (161) rotates. Is provided with a transmission mechanism (207) that transmits the rotational power of the output rotating body (174) to the rotation support shaft (163) so as to move up and down with respect to the vertical direction. planting cup drive mechanism transplantation machine according to any one of claims 1 to 3 The transplant according to any one of claims 1 to 4, wherein the second rotating body (162) and the planting cup (155) are arranged on the same side with respect to the support member (164). Planting cup drive mechanism. The first rotating shaft (166) is rotatably supported on the body side, the first rotating body (161) is fixed to the first rotating shaft (166), and the first sun gear (167) is fixed on the body side. A first planetary gear (168) meshing with the first sun gear (167) is rotatably supported by the first rotating body (161), and a first end of the first rotating body (161) A first output gear (169) that is rotatably supported by the two rotation shafts (171) and meshes with the first planetary gear (168) is fixed to the second rotation shaft (171),
The second rotating body (162) is fixed to the second rotating shaft (171), the second sun gear (172) is fixed to the first rotating body (161), and the second rotating body (162) The second planetary gear (173) meshing with the two sun gears (172) is rotatably supported, and the second output gear (174) is rotatably supported on the free end side of the second rotating body (162). And meshed with the second planetary gear (173),
The transplant according to any one of claims 1 to 5, further comprising a transmission mechanism (207) for transmitting the rotational power of the second output gear (174) to the rotation support shaft (163). Planting cup drive mechanism. A reference support shaft (192) is provided on the reference axis (X) of the second rotator (162), and an output rotator (174) around the reference support shaft (192) is provided on the reference support shaft (192). An eccentric shaft portion (198) having the same axis as the eccentric shaft center (Y) is projected on the reference support shaft (192), and the rotation support is supported on the eccentric shaft portion (198). The transplanting cup drive mechanism of the transplanting machine according to claim 4, wherein the shaft (163) is externally fitted and held so as to be rotatable around an eccentric axis (Y) . A cam (225) centered on the eccentric shaft center (Y ) is provided on the free end side of the second rotating body (162), and a cam lever (226) that swings in contact with the cam (225) is provided. is, so that opening and closing the cam lever (226) planting cup by the swinging of the (155), claims, characterized in that connected to the opening and closing link of the cam lever (226) the planting cup (155) (220a) The transplanting cup drive mechanism of the transplanter according to 4 or 7 . The connecting rod (230) for connecting the cam lever (226) and the open / close link (220a) is disposed substantially parallel to the support member (164) of the planting cup (155). The transplanting cup drive mechanism of the transplanting machine described in 1. When the scraper (237) is supported so as to be swingable back and forth, and biasing means (240) for biasing the scraper (237) to the center of the swinging back and forth is provided, and when the planting cup (155) is raised, The scraper (237) enters the planting cup (155) with the biasing means (240) biased to the center of the forward / backward swing, slides on the inner surface thereof, and the planting cup (155) descends. When the scraper (237) is pushed backward by the planting cup (155) and swings backward, the scraper (237) is configured to slide on the rear outer surface of the planting cup (155). The transplanting cup drive mechanism of the transplanter according to any one of claims 1 to 9 .