JP3798775B2 - Combine swinging sorter - Google Patents

Description

  The present invention relates to a swing sorter for a combine.

Conventionally, as a form of the swing sorter provided on the combine, the swing sorter body is formed in the shape of a saucer, a gren pan is stretched on the front upper surface of the swing sorter body, and a chaff sheave is provided in the middle In addition, there is one in which a grain sieve is formed on the rear bottom wall, and each constituent member of the swing sorter is formed of a metallic material (for example, see Patent Document 1).
JP 61-31018 A

  However, in the above-described oscillating sorter, each component member, in particular, the oscillating sorter body is formed of a metallic material, so that the weight increases, and the assembling work of the oscillating sorter is troublesome. In addition, there is a problem that a large swing driving force is required to swing the swing sorting body.

Therefore, in the present invention, the granule sieve molded from the synthetic resin is integrally provided on the bottom surface of the swing sorter body molded from the synthetic resin, and the swing sieve sorter main body is separated from the swing sorter body above the grain sheave by the synthetic resin. The molded chaff sheave is mounted in an inclined position, the left end of the chaff sheave forming fin is interlocked by a connecting body extending in the front-rear direction, and the fin posture is changed to the left end of one chaff sheave forming fin arranged at the rear. connecting the upper end of the operating piece, by selectively engaging the locking hole formed in the lower end of the fin attitude altering operation piece to one of the plurality of fins attitude altering operation lever fixing pin, the chaff sieve intended to provide a swinging selection of combine, characterized in that no possible changes to the integrally multiple-stage inclined posture of the total chaff sieve forming fins That.

  According to the present invention, the following effects can be obtained.

  In other words, the granule sheave molded with synthetic resin is integrally provided on the bottom surface of the swing sorter body molded with synthetic resin, and the chaff sheave molded with synthetic resin is provided separately from the swing sorter body above the grain sheave. Since it is attached, it is possible to reduce the overall weight of the rocking sorter, reduce the work of assembling the rocking sorter, and reduce the rocking driving force. it can.

  In addition, since the chaff sheave is attached in an inclined posture and the chaff sheave can be changed in the inclined posture, the sorting performance can be secured satisfactorily.

  Embodiments of the present invention will be described below with reference to the drawings.

  That is, A shown in FIG. 1 is a combine provided with the swinging sorter 4 according to the present invention, and the combine A can be driven by a crawler type traveling section B as shown in FIG. On the chassis 15 installed between the upper ends of the track frames b, b, an upper body such as a threshing portion D or a prime mover portion G is placed, while a reaping portion H is attached to the front thereof so as to be movable up and down.

  As shown in FIG. 1, the traveling part B includes a pair of left and right track frames b, b, drive wheels 12, 12, idle wheels 13, 13, and first, second, third, and fourth rolling wheels. 80, 80, 81, 81, 82, 82, 83, 83 and the anti-derailing sled body 84, 84, and the crawler belts B1, B1 between the drive wheels 12, 12 and the idle wheels 13, 13 respectively. B1 is wound.

  Further, as shown in FIG. 1, the upper body is provided with a threshing portion D and a sorting portion E on the left side on the machine body a, and an operation unit F is disposed on the right front part on the machine body a. A motor part G and a hook receiving part J are arranged on the side, and a waste disposal part K is arranged at the rearmost part of the machine body a.

  That is, the threshing portion D rotatably supports the handling cylinder 1 whose axis is directed in the front-rear direction, and the second processing cylinder 2 whose axis is directed in the front-rear direction is rotatable at the right rear position of the handling cylinder 1. The handling cylinder 1 and the second processing cylinder 2 are arranged substantially parallel to the left-right width direction on a plane.

  Further, a chain stand m is disposed on the side of the threshing section D, and a feed chain M is suspended from the chain stand m.

  As shown in FIG. 1, the sorting unit E is provided with a Kara 3 at the front part, a swinging sorter 4 that can swing freely at the rear thereof, and a first grain by wind sorting below it. The first basket 4a and the first conveyor 4b, the second basket 4c, and the second conveyor 4d for collecting the grains and the second grain are arranged.

  As shown in FIGS. 1 and 4, the cutting part H pivotally supports the rear end of the cutting frame 5 on the front part of the machine body a so as to be rotatable up and down and can be moved up and down by a lifting hydraulic cylinder (not shown). In the cutting frame 5, a weed plate 7, a raising body 8, a cutting blade 9, a scavenging body 10, and a vertical transport body 11 are arranged sequentially from the front end to the rear end.

  As shown in FIG. 1, the operation unit F has an operation column 17 disposed on the right front portion of the airframe a, an operation lever 18 protruding from the operation column 17, and a seat 19 behind the operation lever 18. The cutting clutch lever 14 is disposed on the left side of the seat 19.

  As shown in FIG. 1, the prime mover part G is provided with an engine G1 below the seat 19, and linked to the traveling part B, the threshing part D, the sorting part E, the cutting part H, and the waste disposal part K, respectively. It is configured to transmit power through a mechanism.

  As shown in FIG. 1, the cocoon receiving portion J is disposed at the right rear portion of the machine body a, provided with a grain tank J1 above, and below the grain tank J1, a cocoon storage bag (not shown). ) Is installed.

  Then, as shown in FIG. 1, a suction dusting portion K1 and a waste cutter K2 are disposed at the rearmost part of the machine body a in the waste disposal unit K.

  In the combine A configured as described above, the gist of the present invention resides in the structure of the rocking sorter 4 and will be described below with reference to FIGS.

  That is, as shown in FIG. 2, the swing sorter 4 interlocks and connects the front end to the swing mechanism 20, while the rear end left and right sides are respectively connected to the outer wall 78 of the machine as shown in FIG. The vertical swing guide bodies 21, 21, 22, and 22 attached to the inner wall 79 of the sorting portion E are supported so as to be able to swing back and forth, and the swinging mechanism 20 swings back and forth to perform the sorting operation. I can do it.

  As shown in FIGS. 2 to 8, the oscillating sorter 4 is formed by integrally forming the oscillating sorter body 23 into a saucer shape having an upper surface and a rear surface opened. A Glen pan 24 is stretched on the upper surface of the front part, a chaff sheave 25 is horizontally installed between the middle parts of the left and right side walls, a Glen sheave 26 is formed on the rear bottom face, and a rear end unit 27 is attached to the rear end part.

  As shown in FIGS. 2 to 6, the swing sorter body 23 is formed with the front half side as a shallow bottom and the rear half side as a deep bottom. A pair of left and right connecting projections 28, 28 project downward, and rectangular plate-shaped reinforcing ribs 29, 30 extending in the left-right width direction are provided between the two coupling projections 28, 28 in the front-rear direction. Connecting shaft insertion holes 31 and 31 are formed at the lower ends of the connecting projection pieces 28 and 28 and open in the left-right width direction. 35 is a glen pan mounting hole.

  Moreover, as shown in FIG. 5, the front portions of the left and right side walls on the front half side are gradually tapered forward 23a and 23a in a plan view.

  Further, as shown in FIG. 3, a left and right opening side wall of the swing sorter body 23 is formed by extending in the front-rear direction a loading / unloading opening 32 for loading / unloading a chaff sheave forming fin 55 described later. The front and rear lid mounting bolt holes 33 and 34 are respectively formed at the front and rear positions of the access opening 32, and the right side wall has a plurality of fin mounting holes as shown in FIG. A fin pivot hole 51 and fin guide elongated holes 52 having the same arc shape centering on each fin pivot hole 51 are formed, and a lattice mesh-like grain sieve 26 is formed on the bottom of the rear part. Reference numeral 36 denotes a rear end unit mounting hole.

  Further, flange portions 23b and 23b are respectively formed on the left and right upper edges of the swing sorter main body 23 so as to project horizontally outward. Reference numeral 37 denotes an upper lid mounting bolt hole.

  Here, the swing sorter main body 23 configured as described above is integrally formed of a lightweight and rigid synthetic resin, for example, polypropylene, and each of the connecting protrusions 28 and 28 has an upper surface. By forming the vertically long grooves 38 and 38 of the opening, the overall weight can be reduced, the labor of assembling the swinging sorter body 23 can be reduced, and the swinging driving force of the swing sorter 4 can be reduced. To be able to reduce.

  Moreover, as shown in FIG. 7, the grain sieve 26 has a lower opening width W2 wider than the upper opening width W1, so that the grain Z does not fall into the sieve 26a, thereby preventing clogging. I am trying.

  Further, as shown in FIGS. 2 and 6, a connecting shaft 40 is connected between connecting protrusions 28, 28 of the swing sorter main body 23 configured as described above via connecting shaft insertion holes 31, 31. The oscillating mechanism 20 is linked and connected to the connecting shaft 40 in a penetrating state.

  That is, the interlocking mechanism 20 interlocks the base end of the swing driving arm 43 via the swing cam 44 to the swing drive shaft 42 that is horizontally mounted on the front portion of the machine body a via the stay 41. The tip of the swing drive arm 43 is extended rearward and upward, the central portion of the connecting shaft 40 is connected to the tip of the swing drive arm 43, and the upper end of the front wall 45 of the threshing portion D is connected to the upper end. The left and right ends of the connecting shaft 40 are connected to the lower ends of a pair of left and right swing support arms 47, 47 pivotally supported via a support bracket 46.

  Then, as shown in FIG. 2, the pair of left and right swing support arms 47 and 47 are formed by bending the midway portion in a convex shape forward, and the connecting protrusions 28 and 28 of the swing sorter 23 are connected to each other. The front end face is arranged and supported at a position ahead of the front wall 45 of the threshing part D. 48 is the axis.

  In this way, the pair of left and right connecting projections 28, 28 are arranged at a position directly below the pivots 48, 48 that pivotally support the swing support arms 47, 47, and the lower ends of the connecting projections 28, 28 The component force in the horizontal front-rear direction by the swing support arms 47, 47 connected to each other is efficiently transmitted to the swing sorter 4 so that a sufficient stroke in the horizontal front-rear direction is ensured. The swing selection function can be improved.

  In addition, since the connecting protrusions 28 and 28 are not provided so as to protrude greatly downward and forward, but have a short piece shape that protrudes directly downward, the connecting protrusions 28 and 28 provide strength of the connecting portion. Can be secured sufficiently.

  Further, since the left and right side walls of the front part of the swinging sorter main body 23 are formed as tapered surfaces 23a, 23a that are gradually narrower toward the front in a plan view, the rocking to be formed on the front wall of the sorting part E The opening area of the dynamic sorter interference prevention port (not shown) can be reduced, and other objects can be prevented from entering from the outside through the swing sorter interference prevention port. The aesthetic appearance can be kept intact.

  Further, since the tapered surfaces 23a, 23a are formed on the left and right side walls of the front part of the swinging sorter main body 23, the connecting projecting pieces 28, 28 projecting from the lower front end of the swing sorter main body 23 are provided. The stroke in the left-right width direction of the side core (not shown) when forming the connecting shaft insertion holes 31, 31 for inserting the connecting shaft 40 can be reduced, and the swing sorter body 23 can be formed. Work efficiency can be improved.

  As shown in FIG. 2, a lid 56 formed of a metallic material such as steel is detachably attached to the opening / closing opening 32 and is closed. The lid 56 is also shown in FIG. As described above, the fin guide long holes 52 and the fin guide long holes 52 formed in the right side wall of the swing sorter main body 23 are formed so as to coincide with the left and right symmetrical positions. The fin posture changing operation piece fixing pins 57, 58, and 59 are projected at the center lower part, and the mounting flange portion 56a is formed at the upper edge, and the swinging sorter is formed on the mounting flange portion 56a. Bolt mounting bosses 56e and 56e are formed in the left flange portion 23b of the main body 23 and coincide with the upper lid mounting bolt holes 37 and 37, and the left side wall of the swing sorter main body 23 is formed in the front and rear portions. Bolt holes 56b and 56c are formed so as to coincide with the front and rear cover mounting bolt holes 34 and 34 formed in the above. 56d is a rear end unit mounting hole.

  In this way, only a small fin pivot hole 51 and a fan guide long hole 52 for attaching one end of the chaff sheave forming fin 55 are formed on the right side wall of the swing sorter main body 23. Therefore, while the strength of the right side wall can be secured, the left side wall forms the opening 32 for inserting and removing the chaff sheave forming fin 55, but the opening 32 is made of a metal lid 56. Therefore, the strength of the left side wall can be secured, and the strength can be sufficiently secured by the synthetic resin while securing the light weight.

  As shown in FIGS. 2 and 9, the glen pan 24 is formed in a horizontally long rectangular shape extending in the left-right width direction by a steel plate, and the rear edge 24a is bent downward at a right angle. Connecting ear pieces 24b, 24b are formed, and both the connecting ear pieces 24b, 24b are connected to the left and right side walls of the swinging sorter body 23 by connecting bolts 50, 50. 24c is a boss for bolt mounting.

  As shown in FIG. 2, the chaff sheave 25 has a large number of chaff sheave forming fins 55 between the left and right side walls of the oscillating sorter main body 23 with a predetermined interval in the front-rear direction so that the front and rear rear height is inclined. As shown in FIGS. 10 and 11, each chaff sheave forming fin 55 includes a fin body 55a having a reverse T-shaped cross section and extending in the left-right width direction, and left and right sides of the fin body 55a. Split pins 55c, 55c, 55d each having a substantially trapezoidal cross section at the tip formed integrally with the upper and lower portions of each pin mounting plate 55b, 55b , 55d are integrally formed of a synthetic resin such as polypropylene, and in particular, the split pins 55c, 55c, 55d, and 55d retain elastic force.

  In this way, when assembling the chaff sheave 25, the left end side of the numerous chaff sheave forming fins 55 in the numerous fin pivot holes 51 and the fin guide long holes 52 formed in the lid 56. Each of the split pins 55c and 55d is inserted and locked using elastic force, and in the same state, a large number of chaff sheave forming fins 55 are inserted into the swinging sorter body 23 through the opening / closing opening 32. The split pins 55d and 55d on the right end side of each chaff sheave forming fin 55 are inserted and locked in the fin pivot support hole 51 and the fin guide long hole 52 formed on the right side wall of the swing sorter main body 23, respectively. Then, the lid 56 can be attached to the left side wall of the swing sorter main body 23 by the lid attaching bolts 90 and 91 through the front and rear portions and the upper lid attaching bolt holes 33, 34, 37 and 37. I am doing so.

  At this time, the chaff sheave forming fin 55 is formed in a T-shaped symmetrical cross section, so it can be attached without worrying about the front and back of the fin 55, and the sorting performance by the fin 55 is good. In addition, the strength of the fin 55 can be improved.

  Further, the chaff sheave 25 can be easily disassembled by following the procedure opposite to the above assembling procedure.

  Therefore, the assembling / disassembling work of the chaff sheave 25 can be easily performed, and the maintenance and the like of the chaff sheave 25 can be easily performed.

  Further, as shown in FIG. 2, the left end of each chaff sheave forming fin 55 is interlocked and connected by a connecting body 98 extending in the front-rear direction, and the left end of one chaff sheave forming fin 55 arranged at the rear portion. The upper end of the fin posture changing operation piece 60 is connected to the portion, and a plurality of fin posture changing operations are provided on the lid 56, with locking holes 60a formed at the lower end of the fin posture changing operation piece 60. By selectively locking to any one of the single fixing pins 57, 58, 59, it is possible to change the inclined posture of all the chaff sheave forming fins 55 to a plurality of steps (in this embodiment, three steps) integrally. I can do it.

  Then, as shown in FIG. 2, an operation opening / closing lid 61 is formed on the outer wall of the machine, and the opening / closing lid 61 for operation is opened to operate the fin posture changing operation piece 60 from the outside. Thus, the posture changing operation of all the chaff sheave forming fins 55 can be easily performed.

  As shown in FIGS. 2 and 12, the rear end unit 27 abuts the upper portions of the pair of left and right mounting bodies 65, 65 on the outer side surfaces of the rear end portions of the left and right side walls of the swing sorter body 23, A pair of left and right mounting reinforcement bodies 66, 66 are brought into contact with the inner side surface of the rear end portion of the left and right side walls, so that each mounting body 65, 65 and each mounting reinforcement body 66, 66 are interposed between the rear end portions of the left and right side walls. In the sandwich state, the bolts are tightened together with fixing bolts 67 and 67. At the upper edges of the left and right mounting bodies 65 and 65, mounting flanges 65a and 65a projecting horizontally outward are formed. The front straw guide body 68 is horizontally mounted between the flanges 65a and 65a, while the grain plate body 69 is horizontally mounted between the lower lower ends of the left and right mounting bodies 65 and 65 in a tilted state of front and rear, and left and right. Lower guide roller support shafts 70, 70 projecting outwardly from the lower front side of the mounting bodies 65, 65 and swing support members at the tips of the guide roller support shafts 70, 70, respectively. The lower guide rollers 71 and 71 are rotatably mounted, and the lower ends of the support arms 72 and 72 are pivotally supported through the boss portions 73 and 73 in the middle of the guide roller support shafts 70 and 70, respectively. The upper ends of 72 and 72 are extended to a position directly below the rear end of the front stroke guide body 68 positioned rearward and upper, and the rear stroke guide body 74 is horizontally mounted between the upper ends of both support arms 72 and 72. A front end portion of a sieve wire 75 is attached to the upper surface of the front portion of the rear stroke guide body 74 so that the rear end extends in a curved shape rearward and upward. 91 is a lower guide roller support shaft mounting reinforcement.

  Then, as shown in FIGS. 2 and 12, upper guide roller support shafts 76 and 76 project outward from the upper portions of the support arms 72 and 72, and the tip ends of the guide roller support shafts 76 and 76, respectively. Upper guide rollers 77 and 77 are rotatably attached to the upper and lower guide rollers 77 and 77 and the lower guide rollers 71 and 71, respectively. Are slidably fitted into upper and lower swing guide bodies 21, 21, 22, and 22 attached to each. 93 and 94 are guide body mounting bolts, respectively.

  In addition, as shown in FIG. 2, the laver cereal plate body 69 is the first cocoon guiding rubber hanging body 85 that guides and flows down the first grain toward the first heel 4a on the lower surface of the front edge portion, Each upper edge of the rubber hanging body 86 for guiding the second grain for guiding and flowing down the second grain toward the second basket 4c is attached by the mounting bolt 87, while the rear edge is movable for switching the flow path. The front edge of the drift cereal plate 88 is pivotally supported by a hinge 89, and the movable flow cereal plate 88 is placed on the same plane as the drift cereal plate 88 against the bias of the winding spring 92. It is possible to change the position between the ridge-side flow path formation position and the second ridge-side flow path formation position that is rotated downward and the rear end 88a faces the second ridge 4c.

  Moreover, the positional relationship between the rear end 88a of the movable flow grain plate 88 at the most throat side flow path formation position and the rear end 74a of the rear straw guide body 74 is as shown in FIG. The rear end of the guide body 74 is extended to a position behind the rear end 88a of the movable flow grain plate body 88, so that the shavings and the branch leaf attached grains are prevented from flowing into the most ridge 4a.

  Here, each constituent member of the rear end unit 27 described above is formed of a steel plate, and is rectangular in a rear view by a pair of left and right mounting bodies 65, 65, a front straw guide body 68, and a flowing grain plate body 69. Since the frame is formed, the rear end unit 27 can increase the strength of the rear end portion of the swing sorter body 23 made of synthetic resin.

  When the swing sorting body 4 is swing-sorted by the swing mechanism 20, the lower guide roller support shafts 70, 70 are moved at the lower end in conjunction with the backward movement operation of the swing sorter main body 23. The attached support arms 72 and 72 are guided to be raised rearward and upward by the upper swing guide bodies 21 and 21 via the upper guide rollers 77 and 77, and the rear straw guide body 74 is attached to the upper ends of the support arms 72 and 72. The sieve wire 75 attached via the front side moves upward and upward, and the sieve wire 75 acts to push the grain mixed in the basket back to the swinging sorter body 23 side, and the rear straw guide The body 74 is also moved upward so that the sawdust and branch sticks can flow down to the second side 4c side.

The side view of the combine which comprises the arrangement | positioning structure of the rocking | swiveling sorter | selector which concerns on this invention. The side view of the selection part of the combine. The left view of an oscillation sorter main part. The right view of the same rocking body main part. The top view of the same rocking body main part. Front explanatory drawing of the main swing sorter body. FIG. 6 is a cross-sectional view taken along the line I-I in FIG. 5. The side view of a cover body. A top view of the Glenpan. Plane explanatory drawing of the fin for chaff sheave formation. The side view of the fin for the said chaff sheave formation. The back surface explanatory view of a rocking sorter.

Explanation of symbols

A Combine 4 Swing sorter
20 Swing mechanism
21 Upper swing guide body
22 Lower swing guide body
23 Swing body
24 Glenpan
25 Chaff Seeb
26 Glen Seeve
27 Rear end unit

Claims (1)

On the bottom surface of the rocking sorter body molded from synthetic resin, a glenshave molded from synthetic resin is integrally provided, and the chaff sheave molded from synthetic resin separately from the rocking sorter body above the grain sheave is tilted The left end of the chaff sheave forming fin is interlocked by a connecting body extending in the front-rear direction, and the upper end of the fin posture changing operation piece is connected to the left end of one chaff sheave forming fin arranged at the rear. Then, by selectively locking the locking hole formed in the lower end of the fin posture changing operation piece to any one of the plurality of fin posture changing operation piece fixing pins , all the chaff sheave forming fins of the chaff sheave A combined swing sorter characterized in that the tilt posture can be integrally changed to a plurality of stages.

Images