JPS638189Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a threshing machine equipped with a swing sorting device for sorting falling objects from a threshing room while sending them to one side.

In conventional threshing machines of this type, the swinging sorting device is of a type in which the entire structure including the part that receives the falling objects from the threshing room dust inlet, sends them, and sorts them, swings as one unit. Ta. Therefore, if the swinging sorting device is configured to swing greatly in the vertical direction,
Parts other than the part that separates the falling objects from the dust outlet swing unnecessarily in the vertical direction, causing the objects to be sorted to rise too high into the air, and the grains to be sorted to be carried by the sorting wind to the discharge port. On the other hand, if the swing sorting device is configured to swing slightly in the vertical direction, the falling objects from the threshing room dust outlet cannot be sufficiently loosened. First, there was an inconvenience that the grain was discharged outside the machine in a lump with the dust.

In short, conventional threshing machines have the disadvantage that there is a large amount of grain loss when the grain is ejected from the machine.

Therefore, as a means to solve the above-mentioned drawbacks, a rake-shaped sieving device is provided between the threshing room dust inlet and the swing sorting device, as shown in the technique disclosed in Japanese Utility Model Application Publication No. 56-100156. It is also conceivable to perform two-stage sorting using the rake-shaped sieving device and the swinging sorting device, but in such a case, a separate rake-shaped member and a drive mechanism to drive it are required, and the feed There is a drawback that the cost of equipment for properly loosening objects falling from the dust outlet is high.

The present invention does not provide a separate sieving device to improve the efficiency of loosening the particles falling from the dust inlet.
By using the original swing sorting device, the efficiency of loosening the falling objects from the dust inlet is not taken into consideration.

The characteristic structure of this invention to achieve the above purpose is as follows:
In the oscillating sorting device, a lower sorting part of the dust inlet which receives and sends the falling objects from the threshing room dust inlet for sorting is constructed separately from other sorting parts, and A second drive mechanism that drives the dust inlet lower sorting part is provided separately from the first drive mechanism that drives the dust inlet lower sorting part. The point is that each vertical amplitude is set so as to be larger than the vertical amplitude of other sorted portions at the same location in the object transport direction.

According to the above configuration, since the part for sorting falling objects from the threshing room dust inlet can be swung up and down more than the other sorting parts, the sorting action in the sorting part below the dust inlet can be reduced. This means that the sorting action is stronger than that in the sorting section of the threshing room, and it reliably loosens the particles that fall from the threshing room dust inlet and prevents the grain from being ejected outside the machine in a lump with the dust. In addition, it is possible to prevent grain from being discharged outside the machine by the sorting wind due to excessive sorting in other sorting parts, thereby minimizing the loss of grain discharged outside the machine, Overall, we were able to improve the grain recovery rate.

In addition, the part for sorting falling objects from the threshing room dust inlet is configured to be able to swing independently relative to other parts to improve the efficiency of the loosening action. There is no need for a rake-like member constituting the sieving device between the present invention and the dynamic sorting device, in addition to the oscillating sorting device, and it is possible to construct a device at a low cost for effectively loosening objects falling from the dust inlet.

Hereinafter, an embodiment of the present invention will be described based on the drawings. A swinging sorting device 2 for sorting the falling materials from the threshing room 1 while being sent to one side is installed, and a sorting wind is directed in the feeding direction. A sorting chamber 4, in which grains are generated by a winnowing machine 3, is disposed below the threshing chamber 1, and at the bottom of the sorting chamber 4, a sorting first material collection section 5 with a screw 5a for carrying out is provided. A threshing machine is constructed by providing a sorting second material recovery section 6 with a screw 6a for carrying out, and a thrower 7 for returning the collected and carried out second material to the threshing room 1.

The threshing room 1 is equipped with a rotary handling cylinder 1a that acts on the grain culms conveyed and supplied via the feed chain 1A and has a feeding action in the same direction as the feeding direction by the swing sorting device 2. The processing chamber 1b is divided into a processing chamber 1b and a processing chamber 1b' which processes the reduced material by the thrower 7 and has a processing cylinder 1a' which has a feeding action in the same direction as the processing cylinder 1a. At the ends of both chambers 1b and 1b' in the feeding direction, respectively,
Dust inlets 1c and 1c' are formed, and both chambers 1
A port 1d is formed in the partition walls of b and 1b' to feed the object to be processed, which has been sent halfway into the processing chamber 1b', into the intermediate portion of the processing chamber 1b in the feeding direction.

The oscillating sorting device 2 includes a receiving net 1 stretched along the lower peripheral portions of the handling cylinder 1a and the processing cylinder 1a'.
A starting end sorting section 2A that receives and sends the falling objects from the dust ports 1c and 1e' and sorts them, and an intermediate sorting section 2 that receives the falling objects from the dust ports 1c and 1c' and sends them to sort them.
B, a terminal sorting section 2C for feeding and sorting the items to be sent from now on, and the starting end and terminal sorting section 2
A, 2C are a sorting plate and a straw attached to a swinging frame 2D that is swingably supported along the feeding direction via links 2a and driven and moved via an eccentric shaft 2b. Consists of racks. The intermediate sorting section 2B is composed of a sorting feed plate 2c and a stroke rack 2d, and is vertically oscillated relative to the swing frame 2D. The mechanism 2E is provided with a link 2e that swingably supports the end portion of the intermediate sorting portion 2B in the feeding direction, and
Eccentric shaft 2 that swings the middle part of B in the feeding direction up and down
f. The eccentric shaft 2f with respect to the intermediate sorting portion 2B is driven with the eccentric shaft 2b with respect to the swing frame 2D via a belt 2g.

In the above embodiment, the links 2a, 2a and the eccentric shaft 2b are referred to as a drive mechanism A of the swing sorting device 2, and the links 2e and the eccentric shaft 2f are referred to as a drive mechanism 2E of the intermediate sorting portion 2B. .

Incidentally, in the above embodiment, the intermediate sorting portion 2
An eccentric shaft 2f with respect to B is provided on the terminal end side in the feeding direction,
The link 2e may be provided on the starting end side in the feed direction, and the present invention can also be applied to a threshing device that does not have a processing chamber.

Furthermore, in the embodiment, the intermediate sorting portion 2B is supported by the machine wall, but the intermediate sorting portion 2B is supported by the swing frame 2D.
It may also be implemented with support from

Note that although reference numerals are written in the claims section of the utility model registration for convenience of comparison with the drawings, the present invention is not limited to the structure of the attached drawings by such entry.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal front view, FIG. 2 is a cross-sectional plan view, and FIG. 3 is a longitudinal side view. 1... Threshing room, 2... Oscillating sorting device, 1c...
Dust inlet, 2B... Sorting part under dust inlet, A, 2E...
...Drive mechanism.

Claims (1)

[Scope of utility model registration request] In a threshing machine equipped with a swinging sorting device 2 that sends the falling material from the threshing room 1 to one side and sorts it out, the falling material from the threshing room 1 dust inlet 1c of the swinging sorting device 2 is The dust inlet lower sorting part 2B, which receives and feeds the objects and sorts them, is connected to the other sorting parts 2A and 2C.
A second drive mechanism 2E is provided which drives the dust inlet lower sorting part 2B separately from the first drive mechanism A which drives the other sorting parts 2A and 2C. Each drive mechanism A, 2E
The vertical amplitudes of the lower dust inlet sorting portion 2B are set so that the vertical amplitudes of the other sorting portions 2A and 2C at the same location in the sorting material transfer direction are larger than those of the other sorting portions 2A and 2C. A threshing machine characterized by being equipped with a