JPH0123227Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a crop feeding structure in a harvester for harvesting crops such as onions, so that the harvested crops can be smoothly sent from a lifting conveyor to a processing device such as a tapping device. The purpose is to enable work to be performed safely, efficiently, and favorably.

In harvesting machines that harvest crops such as onions, the harvested crops are lifted and transferred to a processing device such as a tapping device by a lifting conveyor. Conventionally, the upper side of the lifting conveyor is located above the front of the processing device. There was only a guide member disposed on the side and between the two for guiding the crop toward the processing device. Therefore, if a large amount of crops are transferred onto the guide member by the lifting conveyor, or if a relatively large amount of soil adheres to the onions and is transferred onto the guide member together with the onions, the crops on the guide member The flow of the harvest may become poor or the crops may become clogged. In such cases, it is necessary to manipulate the top of the guide member or temporarily stop the harvesting operation, so that the harvesting operation can be carried out safely. There was a problem that it could not be done efficiently. In addition, if the flow of the crop on the guide member is poor and the crop is sent to the processing device in a lump state, the crop will not be in a suitable posture, causing problems such as not being able to properly cut the stems and leaves of the crop. was.

The present invention has solved the above problem, and its feature is that a plurality of roller groups are arranged in the width direction to place and transport the crops, and each roller group is made up of a plurality of rollers. In a harvesting machine, a rotatable feeder is provided above the front side in the crop transfer direction, and the feeder pushes the crops onto a group of rollers and transfers them by the roller group in order to perform tapping processing on the crops lifted and transferred by a lifting conveyor. In the crop feeding structure, a partition plate is arranged upright between each set of roller groups, and the feeding body is arranged substantially opposite to the crop placement position of each set of roller groups, and overlaps with the partition plate in a side view. It is in the point that it is.

Hereinafter, an embodiment in which the present invention is applied to an onion harvesting machine will be described based on the drawings. In FIG. 1, the harvesting machine has a body 1 and a crawler device 2. A comb-shaped digging blade 3 that digs up onions by running, a digging conveyor 4 that transports the dug onions backwards, a lifting conveyor 5 that lifts and transports the onions, and a guide member 6 that guides the onions backwards. ,
In the above order, there is a feeding device 7 that sends the onion backward, a tapping device 8 that transfers the onion backward and cuts the stems and leaves into a predetermined length, and a lateral conveyor 9 that transfers the onion laterally and discharges it into a container or the like. They are arranged from the front to the rear.

As shown in FIG. 2, the lifting conveyor 5 is
A pair of upper and lower sprockets 10 and 11 arranged on each left and right side, a pair of left and right chains 12 hung on the corresponding upper and lower sprockets 10 and 11 on each left and right side, and a feeding direction between both left and right chains 12. It consists of a large number of lifting shelves 13 etc. that are horizontally suspended at predetermined intervals.

Further, the tapping device 8 includes a transfer device 14,
A cutting device 16 is provided at the rear of the transfer device 14 to cut the stems and leaves of the onion 15 into a predetermined length. The transfer device 14 transfers the onion 15 backward and transfers the stems and leaves to the onion 15.
The conveyor 5 is located below the upper part of the lifting conveyor 5 and has a gently sloped front upward shape. As shown in FIG. 3, the transfer device 14 includes a plurality of roller groups 17 arranged in parallel in the width direction.
and a partition plate 1 standing upright between each roller group 17.
8, and a fall prevention plate 19 that is erected on the outside of the outer roller group 17. The roller group 17 is oriented in the front-rear direction, and includes a main roller 20 with a smooth surface and a feed roller 22 having a smaller diameter than the main roller 20 and having a spiral protrusion 21 on the outer peripheral surface, which are arranged side by side in the horizontal direction. A set of rollers is constituted, and both rollers 20 and 22 are driven to rotate in the direction of the arrow in FIG.

The guide member 6 is upwardly shaped and has a steeply inclined part 23 located at the upper and lower side of the lifting conveyor 5;
Gently inclined section 2 that is continuous with the transfer device 14
4 are arranged in series in front and behind each other.

The feeding device 7 is arranged above the guide member 6 between the upper part of the lifting conveyor 5 and the front part of the transfer device 14, and has a rotating shaft 25 that is rotationally driven in the direction of the arrow in FIG. It consists of a feeding body 26, etc., which is arranged substantially opposite to the crop placement position of the roller group 17 of the transfer device 14 (between the main roller 20 and the feeding roller 22), and is fixedly installed so as to overlap with the partition plate 18 in a side view. . Both ends of the rotating shaft 25 are rotatably supported by a bearing device 27, and the bearing device 27 is provided within a support member 28 so as to be movable in the vertical direction. A bearing device 27;
A bomb 2 is provided between the upper end and the lower end of the support member 28, respectively.
9 is interposed in a resilient manner, and the bearing device 27 is supported by the resilient device 29 so as to be movable in the vertical direction. Further, the support member 28 is provided within the guide member 30 so as to be movable in the vertical direction, and an adjustment bolt 31 is screwed into the guide member 30 from the lower side so as to be movable in the vertical direction. The rotary shaft 25 and the feed body 26 are pivotally connected to the lower surface, and the rotation shaft 25 and the feed body 26 are adjusted to move in the vertical direction by rotating the adjustment bolt 31. Further, a sprocket 32 is fixedly installed at one end of the rotating shaft 25.
2 is interlocked and connected to the motor via a chain or the like. The feed body 26 is located above the front side in the crop transfer direction between the main roller 20 and the feed roller 22 of each roller group 17 in the transfer device 14, is made of an elastic material such as rubber, and is fixed to the rotating shaft 25. It consists of a boss portion 33 provided therein, and a plurality of (four in the illustrated example) feed pawls 34 that protrude radially from the boss portion 33 and are disposed at equal intervals in the circumferential direction. The feeding claw 34 feeds the onion 15 to the roller group 17,
The feed pawl 34 has a curved protrusion shape toward the front side in the rotation direction, and the radius of curvature of the base end portion of the rear side surface in the rotation direction is small, so that the feed pawl 34 is particularly easily bent toward the rear side in the rotation direction.

According to the embodiment configured as described above, the onion 15 that has been dug up by the digging blade 3 and transferred backward by the digging conveyor 4 is lifted and transferred by the lifting conveyor 5 to the gently sloped part of the guide member 6. Fall on 24. Here, on the upper side of the guide member 6, a feeder 26 corresponding to the roller group 17 of the transfer device 14 is rotationally driven in the direction of the arrow in FIG. Since the feeding pawl 34 forcibly feeding is provided, even if a large amount of onions 15 or a relatively large amount of soil falls onto the gently sloped part 24 of the guide member 6 together with the onions 15, the gently sloped part 24 The upper onion 15 is smoothly sent out to the roller group 17 side while being guided by the partition plate 18 and fall prevention plate 19 due to the cooperation between the backward downward slope of the gently inclined part 24 and the sending out of the sending claw 34. . In addition, the feed pawl 34 is provided with elasticity, and the feed pawl 34 is made particularly easy to bend toward the rear side in the rotational direction, and furthermore, the rotating shaft 25 provided with the feed body 26 can be moved up and down by a pair of upper and lower bullets 29. Even in the above case, the feed claw 34 of the feed body 26 feeds the onion 15 to the rear side with an appropriate force without applying excessive force to the onion 15. There is no fear that the onion 15 will be damaged by the feed claw 34. As described above, the onion 15 does not flow poorly or become clogged above the gently sloped portion 24 of the guide member 6, and therefore, the clogged onion 15 can be removed by hand, unlike the conventional method. Harvesting operations can be carried out safely and efficiently without having to remove or temporarily stop the harvesting operation for such removal. Furthermore, as described above, since the flow of the onion 15 does not deteriorate, there is no risk that the onion 15 will be sent to the roller group 17 side in the form of a ball, and the onion 15 will not be in a suitable posture with its stems and leaves hanging down. Therefore, the stems and leaves of the onion 15 can be cut well by the cutting device 16. Furthermore, since the rotating shaft 25 provided with the feeding body 26 can be adjusted to move in the vertical direction, the above adjustment can be made depending on the amount of onions 15 to be fed, etc., so that the rotation trajectory 35 of the tip of the feeding claw 34 of the feeding body 26 and the By adjusting the interval between the gently inclined portions 24 of the guide member 6, the onions 15 can be fed out more effectively by the feeding claws 34.

In the embodiment, the tapping device was made up of a transfer device and a cutting device, but the tapping device was constructed by adding a cutting roller located below the main roller and the feed roller to the roller group of the above embodiment. As an additional feature, while the onion is transferred to the rear side by a tapping device, the stems and leaves thereof may be cut by a cutting roller. Further, the present invention can be applied to harvesting machines other than onion harvesting machines.

As described in detail above, in the present invention, the partition plate is placed upright between the roller groups of each set, so the partition plate reliably prevents the crops from entering between the roller groups, and the crops are transported by the lifting conveyor. It is possible to separate and place crops on each roller group, and since the feeding body roughly corresponds to the crop placement position of the roller group and overlaps with the partition plate, the feeding body can be placed more easily on the roller group. The crop can be placed close to the roller group, and the crop can be reliably pushed onto the roller group, and the crop will not be caught between the divider plate and even the crop caught on the edge of the divider plate can be sent out to the roller group. Therefore, the crops can be smoothly flowed into the processing equipment.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is an overall side view, Fig. 2 is a longitudinal sectional view of the main part, and Fig. 3 is a second
It is a sectional view taken along the line A-A in the figure. 5... Lifting conveyor, 6... Guide member, 7
... Feeding device, 8 ... Tapping device (processing device), 15 ... Onion, 25 ... Rotating shaft, 26 ...
Feed body, 34...Feed claw.

Claims (1)

[Claim for Utility Model Registration] Multiple sets of rollers are arranged in the width direction to place and transport crops, and these roller groups are rotatably fed upward on the front side in the direction of transporting the crops. A crop feeding structure for a harvesting machine in which a feeding body is provided with a body, and the crops lifted and transferred by a lifting conveyor are pushed onto a group of rollers by a feeding body and transferred by a group of rollers in order to be subjected to tapping processing, and each set of rollers is A crop harvesting machine characterized in that a partition plate is arranged upright between the groups, and the feeder is arranged substantially opposite the crop placement position of each roller group, and overlaps with the partition plate in a side view. Feeding structure.