JP3118712B2 - Threshing machine sorting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain sorter for a threshing machine such as a rocking sorter used in a threshing section of a combine or the like.

[0002]

Conventionally, Japanese Patent Laid-Open No. 3-19 / 1991
As disclosed in Japanese Patent No. 1715, there is a technique of forming a resin into a grain sheave provided on an oscillating sorter. However, since a metal support frame is provided and the Glen sheave is fixed, simplification of the Glen sheave mounting structure and assembling work and swinging are performed. There is a problem that it is not easy to reduce the weight and production cost of the moving sorter and the like.

[0003]

SUMMARY OF THE INVENTION The present invention is directed to a threshing machine sorting apparatus in which a swing sorter is installed below a handling cylinder.
Molding buffin with synthetic resin, between the lower ends of the left and right side walls
Glen sheaves are connected by integral molding and left and right side walls
Integrated with a sheave, and the chaff is detachably attached to the side wall.
Since the sheave fins are connected , a special fixing member for the Glen sheave is not required, so that the weight can be easily reduced and the processing and assembling can be easily performed, and the manufacturing cost of the swing sorter can be easily reduced. In addition, it protrudes outward and seals
Below the upper and lower protruding edges forming seal grooves for material insertion
Chaff sieve fins detachably connected to the side wall
Can easily reduce the manufacturing cost of the swing sorter
You.

[0004]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is an explanatory side view of a forming state of an oscillating sorting machine, FIG. 2 is an overall side view of a combine, and FIG. 3 is a plan view of the same. In FIG. 1, (1) is a truck on which a traveling crawler (2) is mounted. A frame, (3) is a machine frame installed on the track frame (1), and (4) is a feed chain (5) stretched to the left side, and has a built-in handling cylinder (6) and a processing cylinder (7). Threshing section, (8) is a mowing section provided with a cutting blade (8a) and a grain culm transport mechanism, and (9) is attached to the rear side of the threshing section (4), and has a straw chain (10) and a straw tine. (11) A straw processing unit facing the end, (12) a driver's cab provided with a driver's seat (13) and a driving operation unit (14), (1)
5) is installed on the right front of the machine base (3) and the engine (1)
6) an engine part provided therein; (17) a grain tank disposed behind the engine part (15) to store the grains from the threshing part (4) through a fryer cylinder (18); The mowing and threshing work is performed continuously.

Further, as shown in FIGS. 4 to 6, (1)
9) is a handling room in which an axial-flow-type handling cylinder (6) that is suspended in the longitudinal direction of the fuselage is installed, (20) is a handling port for inserting grain culms into the handling room (19), and (21) is A crimping net stretched under the handling chamber (19), and a swing sorting machine (22) for swingably supporting in the front-rear direction via a swinging link (23) and a guide roller (24); A feed pan (25) located below the front of the crimp net (21) and a chaff sheave (2) located below the rear of the crimp net (21).
6) and the Glen Sheave (27) disposed below the chaff sheave (26) constitute the rocking sorter (22), and the upper and lower sieve lines (22) are provided behind the rocking sorter (22). 28) and (29) are integrally mounted.

[0006] Further, in the figure, (30) is the sorter (2).
2) Karin, which feeds the sorting wind in the direction, (31) is the first conveyor that takes out the kernels into the kernel tank (17) via the fryer (18), and (32) returns the secondary products A second conveyor for returning to the front of the oscillating sorter (22) through a cylinder (33), and a threshing (34) above the sieving line (28) to face a dust outlet at the rear end of the processing drum chamber. Suction port (35) on left side wall
And a swing sorter (22) for oscillating the grains threshed by the handling cylinder (6) and the processing cylinder (7).
, And only the sizing is taken out to the grain tank (17), and the straw is discharged through a straw chain (10) and a tine (11). 9), and is configured to be cut and discharged outside the machine after cutting.

[0007] As shown in FIGS.
2) is a resin-integrated molded product made of a synthetic resin such as polypropylene and formed into a U-shaped saucer having an upper surface and a rear surface opened, and a feed pan (25) and a rear transfer rack connected to a rear portion of the feed pan (25). (38), the Glen Sheave (27), and the left and right side walls (39) and (40) are integrally formed, and a pair of left and right support arms (41) connected to the swing link (23) are integrally formed on the front bottom surface. doing. As described above, the swinging sorter (22) is disposed below the handling cylinder (6).
The grain sheave (27) is integrally formed between the left and right side walls (39) and (40) of the rocking sorter (22) by synthetic resin molding, and a special grain sheave (27) is provided. Eliminates the need for fixing members, reduces weight and simplifies machining and assembly, and provides a swing sorting machine (22).
To reduce manufacturing costs.

The chaff sheave (26) has an inverted T section between the left and right side walls (39) and (40) of the sorter (22).
The nine chaff-sheave fins (42) are arranged horizontally at predetermined intervals in the front-rear direction and in an inclined posture of front low, rear high, and low. The fins (42) and the fins (42)
A chaff sheave (26) is composed of left and right flanges (43) provided on the left and right end surfaces, and a rotation fulcrum shaft (44) and a rotation amount regulating shaft (45) which are two parallel shafts provided on both outer ends of the flange (43). The fins (42) are also used in the sorting board (2).
As in 2), it is integrally molded with a synthetic resin such as polypropylene.

Furthermore, the left side wall (3) of the sorting board (22)
9), a fin entrance (46) for opening and removing the fin (42) from the left side is opened, and a closing plate (47) for closing the entrance (46) is attached to and detached from the outer surface of the left wall (39) with bolts. On the other hand, nine closing fulcrum holes (4) of the fins (42) are provided on the closing plate (47) and the right side wall (40).
8) and nine arc-shaped long holes (49) centered on the hole (48), and the closing plate (47) and the right side wall (4) are formed.
0), the fulcrum shafts (44) and the regulating shafts (45) at both ends of the fin (42) are fitted into the fulcrum holes (48) and the elongated holes (49), and the elongate holes (44) are centered on the fulcrum shafts (44). The angle of inclination of the fin (42) can be adjusted within the range of (49).

Furthermore, the left and right side walls (39) and (40) of the sorting machine (22) and the left and right side walls (50) and (5) of the threshing machine casing.
A sealing material (52) for filling the gap with (1) is provided, and seal grooves (53) for mounting the sealing material (52) are provided on the left and right side walls (39) and (40) of the sorting board (22).
Are formed over the entire length of the upper outer surface of the left and right side walls (39) and (40).
(55) is projected in the horizontal direction to form a U-shaped cross section,
An inner side surrounded by the protruding edges (54) and (55) is formed in a seal groove (53), and a sealing material (52) is fitted into the seal groove (53), so that a side wall ( 39) The retaining portion (52a) of the sealing material (52) is fitted into the circular fitting hole (56) formed in (40), and the tip of the lip (52b) is attached to the inner surface of the side wall (50) (51). It is configured to be slid and prevented from leaking from a gap between the sorting board (22) and the side walls (50) and (51).

As shown in FIG. 1, a molding die for forming the sorting plate (22) includes an upper die (57) and a lower die (58), and a side core for forming the seal groove (53). A side mold (59) is used. The side mold (59) has a core portion (59a) for forming the seal groove (53) protruding inward, and is provided with an upper mold (57) and a lower mold (59). When the mold (58) and the left and right molds (59) are united, a gap formed inside is filled with a molten resin so as to form the sorting board (22) body.

After the forming process, the side mold (59) is first removed, and then the upper mold (57) and the lower mold (58) are separated from the mold of the sorter (22) which is a molded product. At this time, five stopper pin portions (54a) are integrally formed on the upper surfaces of the upper protruding edges (54) on the left and right sides of the sorting board (22), and each of the stopper pins (54a) is formed into an upper die (5).
7) so that the side mold (59) is removed in the lateral direction, the projecting edge (5) wrapping the core (59).
4) The pin portion (54) is not moved without following the (55).
The movement is regulated by a) to maintain an appropriate shape.

As shown in FIGS. 7 and 9, a horizontal rib (60a) is provided between the left and right support arms (41) on the bottom of the sorting board (22).
A vertical wall (61) formed between the feed pan (25) and the rear transfer rack (38) and the support arm (4).
1) Left and right vertical side ribs (62) are formed between the left and right vertical side ribs (62), and three parallel horizontal ribs (60b) (60c) (60d) and a horizontal rib (60a) are formed between the left and right vertical side ribs (62). And three parallel central longitudinal ribs (63a) (63b) (63c) are formed between the vertical ribs (61) and the side wall (62), respectively.
3b) Increase the height of (63c) and the central longitudinal rib (63
a) Three lateral ribs (6) on the front end side from (62b) (63c)
0a), (60b) and (60c) are formed to have a large height, and the lateral rib (60d) on the rear end side is formed to be substantially the same as the height of the side rib (62). Then, a rib with a high rib height (60
b) Gates (gates) are provided at two substantially central positions (a) and (b) of (63c), and these ribs (60a) to
(60d) By increasing the number of (62), (63a) to (63c) and increasing the height, the flow rate at the time of pouring the resin is increased so that the resin spreads to every corner to facilitate molding. It is configured to be performed. (Note that the lower mold (5
A gate is provided on the ribs (60b) (63c) so that 8) is at the top. As a result, it is possible to prevent the occurrence of a discontinuous portion of the resin or a non-fused portion that does not melt integrally in the molded product of the sorting machine (22), thereby improving the strength and durability and stably improving the quality. It is.

Each of the ribs (60a) to (60d) (6)
2) (63a) to (63c) and feed pan (25)
Each corner (R1) with the bottom and vertical wall (61)
(R2) and (R3) are formed on a small arc surface or a slope (R is added to all corners), and these corner portions (R
1) It is configured to prevent concentration of stress applied to (R2) and (R3) and to disperse force to improve durability.

As shown in FIGS. 7 and 11, the grain sieve (27) has a height (B) of a wall (65) between the holes (64) and a width (B). (A) It is formed so as to be larger (B> A) so as to improve the flow of molten metal during molding, and also to improve the strength and the sorting performance.

As shown in FIG. 10, the flange (43)
A rib (66) is provided on the side of the regulating shaft (45) that is partially connected to the fulcrum shaft (44) that connects all the end surfaces to the fin (42) and the regulating shaft (45). The connecting corner portion is integrally formed so as to be provided with a triangular rib (66), and the running of the molten metal at this portion is improved to prevent the occurrence of shrinkage cavities (shrinkage cavities).
In particular, the length of the fin (42) (L1) corresponds to the fulcrum axis (4).
4) When the length (L2) between the shaft cores of the control shaft (45) and the regulating shaft (45) is large (L2> L1), the rib (66) needs to be installed. Further, the tip shapes of the fulcrum shaft (44) and the regulating shaft (45) are formed into a tapered shape having a gentler inclination (α) (α ≒ 30 °) and a longer length (C) than the conventional one, and the assembling work is performed. It is provided to facilitate the above.

As shown in FIGS. 7 and 11, a Glen pan (67) made of an iron plate is separately attached to the rear part of the feed pan (25), and the rear part of the feed pan (25) is a low-grain pan having a step. It is formed on the mounting portion (25a), and when the Glen pan (67) is mounted on the mounting portion (25a), the feed pan (25) and the top surface of the Glen pan (67) are substantially flush with each other. Bread (2
5) The front side of the step (25b) of the feed pan (25) serving as a joint of (67) is the thickness (e) of the Glen pan (67).
The feed pan (25) is formed to have a larger step size (f), and the feed pan (25) is gently raised in front of the step (25b).
7) It is configured to promote smooth flow of the sorting object without being caught in (7).

[0018]

The present invention, as is clear from the above examples according to the present invention, in the sorting device of the threshing drum (6) threshers for installing a swing sorting plate (22) downwards, gray of the swing sorting machine (22)
Sieve (27) and left and right side walls (39) (40)
The fusing fins (42) are molded with synthetic resin
Glen sheave (27) between lower ends of side walls (39) and (40)
Left and right side walls (39) (40) connected by integral molding
Glen sheave (27) is integrally formed between side walls (39).
(40) Removable chaff sieve fins (42)
With this arrangement, a special fixing member for the Glen Sheave (27) is not required, so that weight reduction and simplification of processing and assembly can be easily performed, and the manufacturing cost of the swing sorter (22) can be reduced. It can be easily achieved. Also, outward
A sealing groove (53) for fitting by inserting a sealing material (52)
Side below the upper and lower protruding edges (54) (55) forming
Removable chaff sieve fins on walls (39) (40)
(42) connected to each other to produce a swing sorter (22).
Manufacturing cost can be easily reduced.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a forming state of a swing sorting machine.

FIG. 2 is an overall side view of the combine.

FIG. 3 is an overall plan view of the combine.

FIG. 4 is an explanatory sectional view of a threshing unit.

FIG. 5 is a side view of the swing sorter.

FIG. 6 is an explanatory sectional view of a swing sorting machine.

FIG. 7 is a sectional side view of an oscillating sorter.

FIG. 8 is an explanatory plan view of a swing sorting machine.

FIG. 9 is an explanatory bottom view of the swing sorting machine.

FIG. 10 is a partial explanatory view of a swing sorter.

FIG. 11 is a partially enlarged view of a swing sorting board.

[Explanation of symbols]

 (6) Handling cylinder (22) Swing sorting machine (27) Glen sheave (39) (40) Swing sorting machine side wall

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-38624 (JP, A) JP-A 63-181234 (JP, U) JP-A 2-17041 (JP, U) (58) Investigation Field (Int.Cl. ⁷ , DB name) A01F 12/30-12/60

Claims (2)

(57) [Claims] In a sorting apparatus for a threshing machine in which a swing sorting machine (22) is installed below a handling cylinder (6), a swing sorting machine (2) is provided.
2) Glen sheave (27) and left and right side walls (39) (4)
0) and chaff sieve fins (42)
Work, Glen sheave between left and right side wall (39) (40) lower end
(27) are connected by integral molding to form the left and right side walls (3
9) A grain sieve (27) is integrally formed between (40),
Removable chaff sieve fins on side walls (39) (40)
A threshing machine sorting device, wherein (42) is connected . 2. A sealing material (52) fitted by projecting outward.
Upper and lower protruding edges (5) forming an input seal groove (53)
4) Attachment / detachment to side walls (39) / (40) below (55)
The fact that chaff sieve fins (42) are connected
The threshing machine sorting device according to claim 1, wherein