JPH04124042U - combine - Google Patents

Abstract

(57) [Summary] (with amendments) [Structure] In a combine harvester in which a swinging sorting board 25 is provided with chaff fins 29 for sorting and leaking grains during threshing, the front part of the chaff fin frame 42 that supports the chaff fins 29 is used as a fulcrum. It is attached to the swing sorting board 25 via a shaft 46, and the rear part of the chaff fin frame 42 is configured to move up and down. [Effect] Even if the chaff fins 29 become clogged when the shed material is wet material, the clogging can be prevented by moving the rear part of the chaff fin frame 42 downward to open the sorting section of the chaff fins 29, and in the early morning when there is a lot of morning dew. In addition to making the work easier, even if the chaff fins 29 become partially clogged, the clogging can be easily cleaned by moving the chaff fin frame 42 up and down, compared to conventional methods. Sorting workability and handling operability can be easily improved.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention includes, for example, a handling cylinder for threshing grain culms, and a swinging sorting machine for extracting grain culms from shattered grains. Regarding a combine harvester equipped with such as.

0002

[Conventional technology]

Conventionally, a technique of installing chaff fins on a swinging sorting machine to sort and leak grains in the threshed material was used. There was a trick.

0003

[Problem that the idea aims to solve]

In the conventional technology, the amount of leakage was adjusted by changing the inclination angle of the chaff fin. If the shed material is wet material, the chaff fins will become clogged early, making it impossible to work. In addition to being easy to clean, the structure also makes it difficult to clean the chaff fins when they become clogged. There were problems with the product and handling.

0004

[Means to solve the problem]

However, in the present invention, the chaff fins that sort out the grains in the shelled material are shaken and sorted. In a combine installed on a board, a chaff fin frame that supports the chaff fins. The front part of the chaff fin frame is attached to the swing sorting board via the fulcrum shaft, and the rear part of the chaff fin frame is vertically It is characterized by a structure that allows it to move, and when the shredded material is wet material, chaffing occurs. Even if the fins become clogged, the rear part of the chaff fin frame can be moved down to remove the chaff fins. Clogging can be prevented by opening the water sorting section, and it can also be used during early morning work when there is a lot of morning dew. It is easy to do, and even if the chaff fins become partially clogged, the chaff fins can be removed easily. Clogging can be easily cleaned by moving the fin frame up and down, making it easier to clean than before. This makes it possible to easily improve sorting workability and handling operability.

[0005]

【Example】

Hereinafter, one embodiment of the present invention will be described in detail based on the drawings. Figure 1 shows the chaff fin section. 2 is an overall side view of the combine, and FIG. 3 is a plan view of the same. ) is the truck frame on which the traveling crawler (2) is installed, and (3) is the truck frame on which the traveling crawler (2) is installed. The machine stand is installed on the frame (1), and the feed chain (5) is stretched on the left side of (4). The threshing section has a built-in handling cylinder (6) and a processing cylinder (7), and (8) is a cutting blade and grain culm conveyance unit. Reaping section equipped with mechanism, etc. (9) faces the ends of straw removal chains (10) and (11) Straw waste processing section (12) is a driver's cab equipped with a driver's seat (13) and a driving operation section (14) , (15) is an engine located at the rear right side of the machine base (3) and has an engine (16) installed inside. The engine part (17) is arranged in front of the engine part (15) to remove the grain from the threshing part (4). A grain tank (18) for storing grains stores the grains in the grain tank (17) to the outside. It is a discharge auger that takes out the grain, and is configured to perform continuous reaping and threshing work. .

[0006] In addition, as shown in Figure 4, (19) in the figure is an axial flow type that is mounted on an axis in the longitudinal direction of the aircraft. A handling chamber in which the handling barrel (6) is installed, (20) is a handling chamber in which the grain culm is inserted into the handling chamber (19). (21) is a crimp net stretched below the handling chamber (19); (25) is a swinging net; It is a swinging sorting board that is supported swingably in the front and rear directions via links (22) and (23). a feed pan (26) located below the crimp net (21); A straw rack (located at the rear of the limp net (21) and below the dust outlet (27) 28), and front and rear chaff fins (29) disposed below the straw rack (28). (30), a grain sheave (31) disposed below the fin (29), and a grain sheave (31) arranged below the fin (29); The above-mentioned oscillating sorting is carried out by the second flow grain plate (32) disposed below the rear of the troller rack (28). This constitutes a board (25).

[0007] In addition, (33) in the figure is a winnowing machine that sends the sorting air in the direction of the sorting board (25), and (33) 4) is connected to the grain lifting cylinder (35) which is a grain conveying process, and the grain tank (17) The first conveyor (36) that takes out the grains returns the second grain to the swing sorting board (25). The second conveyor (37) is between the first and second conveyors (34) and (36). A dust exhaust fan (38) is installed at An orthogonal processing cylinder (39) facing the rear end of the straw rack (28) is - A dust suction/exhaust fan with a suction port facing upward at the rear of the rack (28). 6) and the grains threshed by the processing cylinder (7) are sorted and sized by the swinging sorter (25). The grains are taken out to the grain tank (17), and the waste straw is transferred to the straw removal chain (10) (1 1) to the straw removal processing section (9) having straw removal cutters (40) and (41). The structure is such that it is discharged outside the machine after cutting.

[0008] Furthermore, the chaff fin frame (42) allows the front chaff fin (29) to be freely adjusted in its inclination angle. Adjustment arm ( 43), and an adjustment wire (45) is attached to the chain guide (44) of the straw removal chain (10). ) is used to connect the adjustment arm (43) via the straw removal chain (10). The chain guide (44) comes into contact with the straw removal chain (10) according to the amount of straw to be sent out. When released, the front chaff fin (29) tilts in conjunction with the chain guide (44). Change the bevel angle, for example, when there is a lot of straw, raise the front chaff fin (29) On the other hand, when there is not enough straw, the front chaff fin (29) is configured to lie down. There is.

[0009] Furthermore, as shown in FIG. 5, a fulcrum shaft (46) is provided at the front of the chaff fin frame (42). In addition, an operating shaft (47) is provided at the rear to support the front part of the chaff fin frame (42). It is attached to the swing sorting board (25) via the point shaft (46), and the chaff fin frame (42) is The frame (42) is supported so that the rear part can move up and down, and the chaff fin frame (42) is supported so that the rear part can move up and down. The lifting arm (48) is connected to the rear part of 2) via the operating shaft (47), and the driving operation is performed. The lifting arm (48) is connected to the lifting lever (49) of the section (14) via the wire (50). This is a device that connects the Move the arm (48) up and move the rear part of the chaff fin frame (42) up to move the front The chaff fin (29) is supported approximately horizontally and falls onto the feed pan (26), etc. The shredded material is transferred to the upper surface of the rear chaff fin (30) via the upper surface of the front chaff fin (29). While moving, the grains are sorted and leaked through the gaps between the chaff fins (29) and (30). In both cases, when the shed material is wet material or when the front chaff fin (29) is clogged, When the lifting lever (49) is operated, the lifting arm (48) is lowered by the spring (51). the front chaff fin (29) by lowering the rear part of the chaff fin frame (42). The front chaff fin (29) rear end and the rear chaff fin (3 0) Open the space between the front ends and remove the granules from the feed pan (26) etc. from the front chaff fins. (29) Send to the grain sieve (31) through the upper surface and select the shed material when wet material. It is configured to prevent clogging of shed particles in the separate and front chaff fins (29). Ru.

0010 In addition, the front chaff fin (29) is raised repeatedly by reciprocating the lift lever (49). By moving the chaff fins (29) downward, you can easily eliminate clogging of the chaff fins (29). It can be cleaned easily.

[0011]

[Effect of the idea]

As is clear from the above examples, the present invention is a technique for sorting and leaking grains in the shelled material. In a combine harvester in which a juff fin (29) is provided on a swinging sorting board (25), The front part of the chaff fin frame (42) supporting the chaff fin (29) is connected to the fulcrum shaft (46). ) to the swinging sorting board (25), and the rear part of the chaff fin frame (42) It is configured to move up and down, and when the shed material is wet material, it is used as a chaff fin (29). Even if clogging occurs, the chaff can be removed by moving the rear part of the chaff fin frame (42) downward. By opening the fin (29) sorting part, clogging can be prevented and In addition to being able to work easily in the morning, it is also possible to work partially on the chaff fin (29). Even if clogging occurs, the clogging can be removed by moving the chaff fin frame (42) up and down. It is easy to clean, and the sorting work and handling are easier than before. It is possible to easily improve the following.

[Brief explanation of drawings]

FIG. 1 is an explanatory side view of a chaff fin portion.

FIG. 2 is a side view of the combine harvester.

FIG. 3 is a plan view of the same.

FIG. 4 is a side view of the threshing section.

FIG. 5 is a perspective view of a chaff fin section.

[Explanation of symbols]

(25) Oscillating sorting board (29) Chaffin (42) Chaff fin frame (46) Fulcrum shaft

Claims (1)

[Scope of utility model registration request] 1. A combine harvester in which a swinging sorting board is provided with chaff fins for sorting and leaking grains in the threshed material, the front part of a chaff fin frame supporting the chaff fins being attached to the swinging sorting board via a fulcrum shaft, A combine harvester characterized in that the rear part of the chaff fin frame is configured to move up and down.