JP4349998B2 - Threshing device sorter structure - Google Patents

Description

  The present invention relates to a sorting unit structure of a threshing apparatus configured to attach an elastically deformable seal member that is in sliding contact with a side plate of a sorting unit along a side of a sheave case.

The seal member is mounted along the side of the sheave case in order to prevent the processed material from leaking from between the side plate of the sorting unit and the sheave case. As shown in the figure, a sealing member formed by extending a lip piece in a cantilever shape from a rectangular bar-shaped mounting base made of an elastic resin material is fitted into and fixed to a mounting groove formed on the side of the sheave case, and the lip The tip part of the piece is brought into sliding contact with the side plate of the sorting part in an elastically deformed state.
Japanese Patent Laid-Open No. 11-75509

  Since the sealing member having the above-described configuration is an elongated and flexible part, it is likely to be deformed when inserted into the mounting groove on the side of the sheave case, and it may take time to assemble. In addition, since the lip piece of the assembled seal member is in a state of being extended from the mounting base that is largely exposed from the mounting groove, the lip piece is easily bent and deformed from the base, and the amount of vertical movement is small. In the rear part of the large sheave case, the lip piece is wound downward and deformed, and the sealing function may be lowered.

  The present invention has been made paying attention to such points, and enables the seal member to be appropriately and easily assembled in a predetermined posture, and to ensure that the seal function can be exhibited reliably. The purpose is that.

1st invention is the selection part structure of the threshing apparatus comprised so that the elastically deformable seal member which slidably contacts the side plate of a selection part may be attached along the side of a sheave case,
The seal member is formed by extending a lip piece slidably contacting the side plate of the sorting portion from an attachment base portion having a length along the side of the sheave case, and the attachment base portion of the seal member is Fits and attaches to a support frame formed in a letter-shaped cross section, fits and attaches the mounting base of the seal member fitted and held in the support frame to the mounting groove formed on the side of the sheave case, and inserts the seal member into the mounting groove In the fixed state, the base portion of the lip piece is sandwiched between the tip end portion of the support frame and the opening end portion of the mounting groove.

  According to the above configuration, when assembling the seal member, first, the mounting base of the seal member is fitted and attached to the support frame formed in the U-shaped cross section, and the entire seal member is retained, and then the seal member is sieved. Fit into the mounting groove of the case and fasten. In this case, the seal member is shaped like a rod by the support frame and is not in a state of being bent and deformed on its own, so that it is easy to handle and can be quickly fitted into the mounting groove.

  In addition, when the assembly is completed, the base of the lip piece is sandwiched between the tip of the support frame and the opening end of the mounting groove, so that the protruding posture of the lip piece is stable and the sheave case moves up and down greatly. Even so, the lip piece is difficult to be caught and deformed.

  Therefore, according to the first invention, the seal member can be assembled in a predetermined posture appropriately and easily, and the seal function can be surely exerted, from between the side of the sheave case and the sorting unit side plate. It is possible to perform good swing selection without leakage of the processed material.

According to a second invention, in the first invention,
A connecting projection that is press-fitted into a mounting hole formed in a groove bottom of the mounting groove of the sheave case is provided on the mounting base portion of the seal member, and the support frame is cut into which the connecting projection is inserted. A notch recess is formed.

  According to the above configuration, the connecting projection protrudes in a predetermined direction at a predetermined position of the seal member retained in a rod shape by the support frame, and is connected to the mounting hole formed in the groove bottom of the mounting groove. The protrusion can be easily press-fitted, and the assembly workability is high.

  FIG. 1 shows a longitudinal side view of a threshing apparatus mounted on a self-removing combine. This threshing device receives a side-cutting cropped cereal that has been transported from a left-side reaping portion outside the figure with a feed chain 1 and inserts the head into the handling chamber 2 to the right in the figure. Threshing by the handling cylinder 3 pivotally supported in the front and back horizontally in the handling chamber 2, and sorting the processed material separated from the cereal by the receiving net 4 stretched along the lower part of the handling chamber. The treated material that has leaked the receiving net 4 is dropped and supplied to the first half of the sorting unit 5 disposed below the handling chamber 2, and the treated material that has not leaked the receiving net 4 is supplied to the dust feed port at the end of the handling chamber. 6 is dropped and supplied to the front and rear intermediate parts of the sorting unit 5, and the processed product dropped and supplied to the sorting unit 5 is received by the front and rear sheave cases 7, and the placed processed product is rearward (rightward in FIG. 1). ) While swinging and moving toward the front, the front chaff sheave 8 for rough sorting, the grain sheave 9 for fine sorting, for loosening The sorting rack 10, the rear chaff sheave 11, the Strollack 12, and the like are used for screening, and the sorting wind is supplied from the tang 13 provided at the front end of the sorting section to the rear upper side to perform the wind selection process, and the grain sieve 9 The grains leaked from the first are collected in the No. 1 recovery unit 14 and the second thing leaked from the rear chaff sheave 11 and the Strollac 12 are selected and collected in the No. 2 recovery unit 15 and collected in the No. 1 recovery unit 14 respectively. After the 1st thing (grain) is laterally fed to the outside by the 1st screw 16, it is supplied to the collecting part such as a grain tank and the 2nd thing collected in the 2nd collecting part 15 is sent by the 2nd screw 17. After the transverse feed, the reselection process is performed by supplying the reduced amount to the front portion of the sheave case 7.

  In addition, a dust exhaust fan 18 including a cross-flow fan is placed horizontally behind the handling chamber 2 at a position above the rear portion of the sorting unit 5, and is located at the lower end of the sorting chamber 5. Dust and straw scraps blown out from the dust feed port 6 formed in the air and dust dust and straw scraps blown up rearward of the sorting unit 5 by the sorting wind are sucked into the dust exhaust fan 18 and forcibly discharged to the rear of the aircraft It has come to be. Further, a waste straw transporting device 19 is disposed above the dust exhaust fan 18, and the waste straw transported from the handling chamber 2 is transported obliquely rearward and toward the tip, and is not shown. It is supplied to an exhaust wall processing apparatus such as an exhaust wall binding apparatus.

  The sheave case 7 that is swung back and forth and up and down is resin-molded. The front side 7f and the left and right sides 7s of the sheave case 7 are connected to the front side plate 5f and the left and right side plates 5s in the sorting unit 5. Seal members 21 and 22 are attached to prevent the processed material from leaking from between the sheave case 7.

  The seal member 21 attached to the front side 7f of the sheave case 7 is made of a resin sheet material, a resin sheet-coated cloth material, or the like, which is an elastic sheet material having a wide front and rear, and is involved in the forward and backward movement and the vertical movement of the sheave case 7. The front side plate 5f and the sheave case front side 7f are bolted to the front side 7f so as to close the gap.

  The seal member 22 attached along the left and right side sides 7s of the sheave case 7 is formed of an elastically deformable resin material long in the front-rear direction. As shown in FIGS. The lip piece 22b extends in a cantilevered manner from the top to the bottom, and a plurality of connecting projections 22c are integrally projected on the inner side surface of the mounting base portion 22a with a predetermined interval in the longitudinal direction.

  On the other hand, a mounting groove 23 that opens laterally outward is formed at the upper ends of the left and right side sides 7s of the sheave case 7, and a mounting hole through which the connecting protrusion 22c is penetrated and fixed. 24 is formed.

  The seal member 22 having the above-described configuration is assembled in the mounting groove 23 of the sheave case 7 after being retained by the support frame 25. The support frame 25 is configured by bending a metal plate in an upward U-shaped cross section, and by inserting the mounting base 22a in the seal member 22 into the support frame 25 from above, an outer surface of the mounting base 22a, The inner surface and the lower surface are closely supported by the support frame 25 so that the entire seal member 22 is shaped like a rod. Here, a notch recess 26 opened upward is formed on the inner side of the support frame 25, and a connecting projection 22c is engaged therewith.

  Further, the tip p of the outer side of the support frame 25 is bent and extended along the lower surface of the base of the lip piece 22b, and the opening end q of the outer side of the mounting groove 23 is bent along the upper surface of the base of the lip piece 22b. The base part of the lip piece 22b is sandwiched between the front end part p of the outer side and the opening end part q of the mounting groove 23, and is held in a protruding posture in a predetermined direction.

  Thus, the lip piece 22b attached to the upper end portion of the left and right side sides 7s of the sheave case 7 is easily elastically deformed in both the left and right directions, and is deformed and pressed along the side plate 5s of the sorting unit 5 to provide a suitable sealing function. Although demonstrated, the base is sandwiched from above and below to retain its shape, so that it is difficult for it to be rolled downward.

  [Other Examples]

  (1) As shown in FIG. 5, the mounting groove 23 can be formed on the upper ends of the left and right side sides 7 s of the sheave case 7 so as to face upward. In this case, the base portion of the lip piece 22b is sandwiched from above and below by the front end portion p of the support frame 25 and the opening end portion q on the lower side of the mounting groove 23, and is retained.

  (2) The seal member 21 attached to the front side 7f of the sheave case 7 can be fitted and connected in the same manner as the seal member 22 on the left and right sides.

Longitudinal side view of threshing device Top view of sheave case Longitudinal front view showing the mounting part of the seal member on the side of the sheave case Exploded perspective view showing seal member mounting structure Longitudinal front view showing a mounting portion of a seal member in another embodiment

Explanation of symbols

DESCRIPTION OF SYMBOLS 5 Sorting part 5s Side plate 7 Sheave case 7s Side 22 Seal member 22a Mounting base 22b Lip piece 22c Connection protrusion 23 Mounting groove 24 Mounting hole 25 Support frame 26 Notch recessed part p End of support frame q End of mounting groove

Claims (2)

A screening unit structure of a threshing device configured to attach an elastically deformable seal member that is in sliding contact with the side plate of the screening unit along the side of the sheave case,
The seal member is formed by extending a lip piece slidably contacting the side plate of the sorting portion from an attachment base portion having a length along the side of the sheave case, and the attachment base portion of the seal member is Fits and attaches to a support frame formed in a letter-shaped cross section, fits and attaches the mounting base of the seal member fitted and held in the support frame to the mounting groove formed on the side of the sheave case, and inserts the seal member into the mounting groove The sorting structure of a threshing device, wherein the base portion of the lip piece is sandwiched between the tip end portion of the support frame and the opening end portion of the attachment groove in the fixed state.   A connecting projection that is press-fitted into a mounting hole formed in a groove bottom of the mounting groove of the sheave case is provided on the mounting base portion of the seal member, and the support frame is cut into which the connecting projection is inserted. The sorting part structure of the threshing device according to claim 1, wherein a notch recess is formed.

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