JPH0755878Y2 - Threshing equipment - Google Patents

Description

[Technical Field of the Invention] [Technical Field of the Invention] The present invention relates to a threshing device to be mounted on a combine, and more specifically, a grain culm conveyed by a grain culm pinching and conveying mechanism is handled on the terminal end side of a pinching rail. The present invention relates to a threshing device that can be thrown and supplied indoors.

[Prior art]

Explaining with FIG. 1 and FIG. 2, the threshing device T is
A handling barrel 3 in which handling teeth 2 are planted in a handling chamber 1 is rotatably provided around a handling barrel shaft 4, and a plant of grain stems is held in front of the handling barrel 3 and conveyed. A grain culm sandwiching / transporting mechanism 7 including a feed chain 5 and a sandwiching rail 6 is provided. The culm tip is threshed by the handling barrel 3. Then, the rejected culm is conveyed from the end of the handling room to the outside of the machine by an effluent transfer device (not shown), and the threshing in the handling room 1 is carried out by the swing transfer sorting mechanism 10 provided below the handling room. After being sorted, the grains are stored outside the machine by the most spiral, but one long straw or the like is discharged from the suction fan 32 to the outside of the machine along with dust through the processing chamber 27 etc. There is.

[Problems to be solved by the invention]

By the way, when the rear end portion of the pinching rail 6 is cut and removed at a portion of the upper conveyance E ahead of the handling cylinder end S by a predetermined distance L, the non-pinching portion on the rear end side of the pinching rail 6 is removed. In 35, since the grain culm plant is completely free from the pinching rails 6, the grain culms are thrown into the handling room 1 from the grain culling sandwiching and transporting mechanism 7 all at once, and the load of the handling barrel 3 suddenly increases. There is.

The present invention has been made to solve the above problems, and its purpose is to prevent a sudden increase in the load of the handling barrel and at the same time to ensure that the grain culms are picked up from the grain stalk pinching and conveying mechanism into the handling chamber. It is to provide a threshing device that can perform.

[Means for solving problems]

Means for Solving the Problems The present invention for achieving the above object is a threshing device in which a grain culm sandwiching and conveying mechanism including a feed chain and a sandwiching rail is provided on the front surface of a handling cylinder pivotally supported in a handling chamber. A non-holding portion is provided on the side, and a large number of scraping plates are radially arranged on the outer periphery of the rear end portion side of the handling cylinder.

[Action]

In this way, by providing the non-clamping portion on the terminal end side of the pinch rail, when the grain culm advances toward the handling barrel end S, the gripping force of the root of the grain culm is relaxed, and the grain culm is While a large number of scraping plates are radially arranged on the outer periphery of the rear end of the handling cylinder while being supplied from the sandwiching and transporting mechanism into the handling chamber 1, the grain and stalks are transferred from the sandwiching and transporting mechanism 7 to the handling chamber. It can be picked up reliably.

〔Example〕

Hereinafter, the drawings showing the present invention as an embodiment will be described.

As shown in FIGS. 1 and 2, the threshing apparatus T is provided rotatably with a handling barrel 3 in which handling teeth 2 are planted in a handling chamber 1, which is pivotally supported by a handling barrel shaft 4. Further, on the front surface of the handling barrel 3, there is arranged a grain culm sandwiching / transporting mechanism 7 including a feed chain 5 for sandwiching and transporting the grain stalk root and a sandwiching rail 6. The gripping rail 6 provided above the feed chain 5 is cut on the upper hand side E of the conveyance, which is separated from the handling cylinder end S by a distance L, and the pinching rail 6 is connected to the handling cylinder end S and the handling cylinder. A non-clamping portion 35 is formed between the end side S and the upper conveyance side E. A handling barrel cover 3a is detachably provided above the handling chamber 1.

A handling net 9 is stretched around the handling room 1.
An oscillating transfer sorting body 10 in a direction along the axial direction of the handling cylinder shaft 4 is disposed below the oscillating barrel shaft 4. The oscillating transfer sorting body 10 can be swung back and forth and up and down by a swinging mechanism (not shown). It is provided. The rocking transfer / sorting body 10 is a main rocking / transporting / sorting plate 11 for rocking and transporting the grain-removed grains that have leaked through the receiving net 9 forward.
A sorting net 12 connected to the front of the sorting plate 11, a sieve sieve extending from above the main swing transfer sorting plate 11 to above the sorting net 12.
13, grain return flow plate 14 provided below the leakage net 12, sorting net 12
A partition flow plate (15) is provided at the tip end of the partition flow plate (15), which is placed oppositely.

The lower ends of the grain return flow plate 14 and the partition flow plate 15 are respectively connected to the first grain receiving trough 16 having the first grain spiral 16a,
Further, in front of the partition flow plate 15 of the swing transfer sorting body 10,
The sub-oscillation transfer sorting plate 17 is integrally connected. The lower part of the sub-oscillation transfer sorting plate 17 is connected to the second grain receiving trough 19 having the second grain transferring spiral 19a. In addition, a main Karasu 20 is provided below the starting end side of the handling barrel 3, and the outlet of this main Karasu 20 is branched into an upper sorting wind passage 21 and a lower sorting wind passage 22. A second sorting air passage 23 is provided below the passage 22. The second sorting air passage 23 is the first grain receiving gutter.
It is provided so that it passes below 16 and blows through the sub-oscillation transfer sorting plate 17.

Further, the upper side sorting air passage 21 is provided so as to pass through the leakage net 24, and the lower side sorting air passage 22 passes through the main sorting air passage 25 above the first grain trough 16 and blows through the leakage net 12. Is configured. A discharge port 26 is provided below the terminal end of the handling chamber 1. The discharge port 26 communicates with the starting end side of a processing cylinder chamber 27 axially supported rearward from the discharge port 26, and the processing cylinder chamber 27 The processing cylinder 30 connected to the transfer spiral 29 is provided on the processing cylinder 30. A large number of processing teeth 28 are provided around the processing cylinder 30, and a leak net 31 is stretched around the processing cylinder 30. A discharge port (not shown) is opened in the leak net 31. The front side of the above-mentioned chamber sheave 13 is located below the starting end side of the leak net 31, and a dust chamber facing the discharge port is formed on the side of the processing cylinder 30. A suction fan 32 is provided on the other side above.

Since it is configured as described above, the grain culm sandwiching and conveying mechanism 7
The grain culm having the plant origin clamped at the start end side of the culm is threshed by the handling barrel 3 while reaching the non-clamping portion 35 of the clamp rail 6, but the non-clamping portion of the clamp rail 6 The grain culm which has reached 35 is thrown and supplied in a state where the whole grain culm is pulled into the handling chamber 1 by the rotation of the handling barrel 3 when the root of the grain is released from the sandwich with the feed chain 5, and thus the handling barrel 3 There is a drawback that the load on the vehicle will rise sharply.

Then, the threshes such as grains and cutting straws that have been threshed in the handling room 1 leak through the leaking net 9 and fall on the swing transfer sorting body 10 below. On the other hand, the processed substances that have not leaked through the leakage net 9 are conveyed to the processing drum chamber 27 via the discharge port 26, and among the processed substances processed in the processing drum chamber 27, leak the leakage net 31. The dropped grains, cutting straw, etc. fall on the sorting net 12 swinging downward, or the sub-oscillation transfer sorting plate 17, and the long straw etc. The dust is discharged from the discharge port of the processing chamber 27 into the dust chamber, sucked by the suction fan 32, and discharged outside the machine.

Grains such as grains and cutting straw that have leaked through the handling net 9 in the handling chamber 1 and the leaking net 31 in the processing chamber 27 are removed from the lower swinging and sorting body 10 by swinging sorting and the main Kara 20. Are sorted by the sorting wind passing through the upper sorting wind passage 21, the lower sorting wind passage 22 and the second sorting wind passage 23, and the grain is the first grain receiving trough 16 and the second one is the second sorting trough 19. It is housed in each.

Therefore, in the present invention, as shown in FIGS. 3 and 4, the handling barrel 3 and the pinching rail 6 are improved. The pinching rail 6 of the present invention forms a slanted inclined surface N on the lower surface facing the feed chain 5 between the handling barrel end S and the upper conveyance side E separated from the handling barrel end S by a distance L. The inclined surface N is formed on the non-clamping portion 35 which gradually recedes obliquely upward from the upper hand side E toward the handling cylinder end S.
The non-clamping portion 35 allows the grain culms to be gradually thrown into the handling chamber 1 and supplied, so that there is an advantage that the load of the handling barrel 3 can be prevented from rapidly increasing as compared with the conventional example shown in FIGS. 1 and 2. .

Further, according to the present invention, the outer diameter of the scraping plate 36 provided on the outer periphery of the handling cylinder 3 is small at the position corresponding to the handing side E of the pinching rail 6, and gradually increases to the end of the handling cylinder 3. It is possible to incline it so that it has a diameter.

Therefore, in the present invention, in addition to the advantage that the load on the handling barrel 3 can be prevented from suddenly increasing, there is an advantage that the grain culms can be gradually and surely picked up by the scraping plate 36 provided on the handling barrel 3. .

[Effect of device]

As described above, according to the present invention, the non-clamping portion 35 is provided on the terminal end side of the pinching rail 6, and a large number of scraping plates 36 are radially arranged on the outer periphery of the rear end portion of the handling cylinder 3. , The grain culms are supplied from the non-clamping portion 35 of the grain culm pinching and conveying mechanism 7 into the handling chamber 1 so that the load of the handling chamber 3 can be prevented from rapidly increasing, and at the same time, a large number of radial grains are provided on the outer periphery of the rear side of the handling body 3. With the scraping plate 36, the grain stalks of the grain stalk sandwiching and conveying mechanism 7 can be reliably picked up.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a conventional threshing device, FIG. 2 is a perspective view showing a main part thereof, FIG. 3 is a vertical cross-sectional view showing a main part of a threshing device according to the present invention, and FIG. It is a perspective view which shows a part. DESCRIPTION OF SYMBOLS 1 ... Handling chamber, 3 ... Handling barrel, 5 ... Feed chain, 6 ... Clamping rail, 7 ... Grain squeezing conveyance mechanism, 35 ... Non-clamping part, 36 ... Scraping board.

Claims (1)

[Scope of utility model registration request] 1. A threshing device in which a grain culm sandwiching and conveying mechanism including a feed chain and a sandwiching rail is provided on the front surface of a handling cylinder pivotally supported in a handling chamber, and a terminal end side of the sandwiching rail (6). A threshing device in which a non-clamping portion (35) is provided on the outer periphery of the handling cylinder (3) and a large number of scraping plates (36) are radially disposed on the outer periphery of the rear end portion side of the handling cylinder (3).