JP2007049935A - Threshing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a threshing machine having good maintainability around a treatment drum. <P>SOLUTION: The threshing machine is constituted by installing a threshing drum 2 and the treatment drum 8 pivotted to be freely rotatable in the inside and arranging the treatment drum 8 to be laterally offset to the threshing drum 2 in the rear of the threshing drum 2. An open port 14 ranging from the side of the treatment drum 8 to the side of the threshing drum 2 is made in the frame 1 of the threshing machine and a side cover 16 for covering the open port 14 is attached to be freely removable from the frame 1. Engaging members 18 for removably attaching the side cover 16 to the frame of the threshing machine are installed to each of positions in front of and in the rear of a treatment net 9 for filtering treated materials treated by the treatment drum 8. <P>COPYRIGHT: (C)2007,JPO&amp;INPIT

Description

  The present invention relates to a threshing apparatus.

2. Description of the Related Art Conventionally, a threshing apparatus in which a handling cylinder and a processing cylinder, which are pivotally supported so as to be freely rotationally driven, are disposed and offset in the left-right direction with respect to the handling cylinder at a rear position of the handling cylinder is known. (For example, refer to Patent Document 1).
JP 2002-176837 A

  In the above threshing apparatus, a processing chamber in which a processing cylinder is installed can be opened and closed by a processing chamber cover. However, since the process chamber cover is opened and closed only in the process chamber, only the process cylinder side maintenance can be performed only by opening and closing the process chamber cover, and maintenance from the process cylinder side to the handling cylinder side cannot be easily performed. There was a drawback.

  The threshing apparatus of the present invention for solving the above-described problem includes a handling cylinder 2 and a processing cylinder 8 that are rotatably supported so that the processing cylinder 8 is located at a rear position of the handling cylinder 2. In the threshing device arranged offset in the left-right direction, an opening 14 is provided in the frame 1 of the threshing device from the side of the processing cylinder 8 to the side of the handling cylinder 2, and the opening 14 The first feature is that a side cover 16 covering the frame is detachably attached to the frame 1.

  Secondly, an engaging member 18 that removably attaches the side cover 16 to the frame 1 of the threshing device is provided, and a processing net 9 that filters the processed material processed by the processing cylinder 8 below the processing cylinder 8. And the engaging member 18 is disposed at a position forward of the processing net 9 and a position behind the processing net 9.

  Thirdly, a space 23 is provided in front of the processing cylinder 8 and located on the side of the handling cylinder 2, and a transmission shaft 37 in the front-rear direction for transmitting a driving force to the processing cylinder 8 is provided in the space 23. The cover 16 is characterized in that it covers the side of the connecting portion 38 between the processing cylinder 8 and the transmission shaft 37.

  According to the structure of the present invention configured as described above, the side cover covers the side of the handling cylinder from the side of the processing cylinder, and therefore, by removing the side cover from the frame of the threshing apparatus, The side portions of the cylinder and the handling cylinder are opened at the same time, and there is an effect that maintenance can be easily performed.

  In addition, the engaging member which attaches | detaches a side cover to the frame body of a threshing device is provided, the process net | network which filters the processed material processed by the processing cylinder is provided below the processing cylinder, and an engaging member is processed. By disposing and disposing each at a position ahead of the net and a position behind the processing net, the processed material can be processed smoothly without the engagement member hindering the filtering process by the processing net.

  On the other hand, a space located on the side of the handling cylinder is provided in front of the processing cylinder, and a transmission shaft in the front-rear direction for transmitting a driving force to the processing cylinder is provided in the space, and the processing cylinder and the transmission shaft are provided by the side cover. By covering the side of the connecting portion, the side cover can be removed from the frame, so that the joint portion between the processing cylinder and the transmission shaft can be easily maintained.

  FIG. 1 is a side view of a threshing apparatus employing the present invention, and FIG. Inside the frame 1 of the threshing apparatus, a handling chamber 3 having a handling cylinder 2 pivotally supported so as to be freely rotatable is formed. Below the handling chamber 3, a sorting chamber 4 is formed for sorting the straw from the processed product (mixture of threshed grains and straw scraps) that has been threshed by the handling cylinder 2. A receiving net 6 along the outer periphery of the handling cylinder 2 is provided below the handling cylinder 2. The handling room 3 and the sorting room 4 are separated by a receiving network 6.

  A processing chamber 7 is provided behind the chamber 3 so as to be offset in the left-right direction with respect to the chamber 3. As shown in FIGS. 2 and 3, the processing chamber 7 and the handling chamber 3 communicate with the front portion of the processing chamber 7 and the rear portion of the handling chamber 3. A processing cylinder 8 is supported in the processing chamber 7 so as to be rotatably driven. The treatment cylinder 8 is offset from the treatment cylinder 2 in the left-right direction on the rear side of the treatment cylinder 2.

  As shown in FIG. 4, the outer periphery of the processing cylinder 8 is covered with a processing net 9. The processing chamber 7 and the sorting chamber 4 are separated by a processing network 9. The processing net 9 includes an inner processing net 9a on the handling cylinder 2 side and an outer processing net 9b on the opposite side of the inner processing net 9a. The inner processing net 9a covers the half of the processing cylinder outer periphery on the handling cylinder side. The inner processing net 9a is integrally fixed to upper and lower brackets 11 and 12 provided on the frame 1 side by bolts.

  The outer processing net 9b covers the half on the counter cylinder side of the outer periphery of the processing cylinder. The upper part of the outer processing net 9b is bolted to the upper bracket 11 together with the inner processing net 9a. The lower part of the outer processing net 9b is inserted and locked into a concave receiver 12a formed on the lower bracket 12. A columnar convex portion 13 having a circular front cross section is provided at the lower portion of the outer processing net 9b.

  The lower part of the outer processing net 9b is locked to the lower bracket 12 by inserting the convex part 13 into the concave part of the receiving part 12a from above. Thereby, the outer treatment net 9b can be easily attached and detached. The inner processing net 9 a can be removed while removing the bolts for fixing to the upper and lower brackets 11, 12 and rotating along the processing cylinder 8.

  In the frame 1 of the threshing apparatus, an opening 14 is formed from the side of the processing cylinder 8 to the side of the rear side of the handling cylinder 2. The opening 14 is straight when viewed from above and is covered with a side cover 16. As shown in FIGS. 2 and 5, a locking rod 17 protrudes forward and backward from the processing net 9. From one side cover 16, a hook 18 that engages with the locking rod 17 from below protrudes into the frame 1 of the threshing device at a position corresponding to the locking rod 17.

  The upper side of the side cover 16 is bent or curved toward the handling cylinder 2 side. A receiving portion 19 into which the edge of the upper surface of the frame body 1 can be inserted is formed at the upper edge of the side cover 16. The side cover 16 is attached to the frame body 1 by engaging the hook 18 with the locking rod 17 from below while the edge of the upper surface of the frame body 1 is inserted into the receiving portion 19.

  The side cover 16 is provided with a lever 22 that can swing the hook 18 downward to release the engagement with the locking rod 17. The side cover 16 can be detached from the frame body 1 with one touch by operating the lever 22 to release the engagement between the hook 18 and the locking rod 17.

  When the side cover 16 is attached to the frame body, the side cover 16 forms a straight line with the front plate 21 covering the side of the front side of the handling cylinder 2 in the frame body 1 in a plan view. The front side plate 21 is fixed to the frame 1 side by bolts 20. The front plate 21 can be removed from the frame 1 by removing the bolt 20.

  With the structure described above, a space 23 is formed in front of the processing chamber 7, located on the side of the handling chamber 3, with the rear side covered by the side cover 16 and the front side covered by the front side plate 21. The side of the processing cylinder 8 is covered with the side cover 16 over the entire length of the processing cylinder 8. The handling cylinder 2 is covered with a side cover 16 at the rear side.

  As shown in FIG. 6, the space 23 is connected to the sorting chamber 4 and constitutes a part of the sorting chamber 4. In the sorting chamber 4, a swing sorting body 24 is provided from the lower side of the handling cylinder 2 to the outer end of the space 23. Below the swing sorter 24, there is provided a red fan 26 for blowing the sort air. A dust exhaust fan 27 that forcibly discharges soot and the like is provided behind the handling cylinder 2 and located on the side of the processing cylinder 7.

  Moreover, in this threshing apparatus, the 1st accommodating part 28 which accommodates the 1st thing, the 2nd accommodating part 29 which accommodates the 2nd thing containing the branch infarction grain, the ear cut grain, etc. which were not accommodated as the 1st thing, The first horizontal helix 31 that horizontally conveys the first object accommodated in the first accommodating portion 28 to one end of the first accommodating portion 28 and the lifting that conveys the first object horizontally conveyed to the one end. An upper conveying cylinder 32, a second horizontal helix 33 for horizontally conveying the second object accommodated in the second accommodating part 29 to one end of the second accommodating part 29, and a second object horizontally conveyed to one end. A reduction transport cylinder 34 and the like that are lifted and transported and returned to the swing sorter 24 are also provided.

  This threshing device conveys cereals with a feed chain 35 provided on the side of the frame 1, threshing the cereals with the handling cylinder 2, and processing the processed material into the sorting chamber 4 via the receiving net 6. Drop it. At the same time, it cannot be processed by the handling cylinder 2, and the chopping process etc. of the spikes sent from the handling chamber 3 side to the processing chamber 7 is threshed by the processing cylinder 8, and the processed product is sent to the sorting chamber 4 via the processing net 9. Drop it.

  The processed material dropped into the sorting chamber 4 from the side of the handling chamber 3 and the processing chamber 7 is sent to the swinging sorter 24, sequentially fed backward in the swing sorter 24, filtered through a chaff sheave, and further, the tang fan 26 and dust discharge. The first and second items are selected by the selection air that is formed and blown by the fan 27. The wind-selected 1st thing is accommodated in the 1st thing accommodating part 28, the 2nd thing is accommodated in the 2nd thing accommodating part 29, and the 1st thing is placed at the end of the 1st thing accommodating part 28 by the 1st helix 31. It is transported, inherited by the lifted transport cylinder 32, and discharged to the Glen tank or the like by the lifted transport cylinder 32.

  The second item is conveyed to the end of the second item container 29 by the second helix 33, transferred to the reduction conveyance cylinder 34, and reduced to the swinging sorter 24 via the reduction helix in the reduction conveyance cylinder 34. During the threshing process, dust such as sawdust generated in the frame 1 of the threshing apparatus is guided by the sorting air, sucked by the dust exhaust fan 27, and discharged out of the machine from the dust outlet.

  Since the space 23 in front of the processing chamber 7 is provided on the side of the handling cylinder 2, the processed material falling from the side of the handling cylinder 2 passes through the space 23 and falls into the sorting chamber 4. To do. For this reason, the processed material does not fall in a concentrated manner within a predetermined range (for example, directly below the handling cylinder 2), but falls evenly from directly below the handling cylinder 2 to the outer end of the space 23, and the swing sorter. 24 is supplied approximately evenly.

  The return conveyance cylinder 34 is provided with a guide portion 36 for guiding the second item to be bounced off. An end portion of the guide portion 34 is connected to the vicinity of the space 23 in the sorting chamber 4. The second thing passes through the space 23 and is returned to the swing sorter 24.

  With this threshing device, the threshing device 4 has a large and wide space in which the sorting chamber 4 extends from the lower side of the handling cylinder 2 to the outer end of the space 23, and the swinging sorter 24 has a wide width that covers the full width of the sorting chamber 4. Therefore, the sorting area becomes large and the sorting efficiency is high. In addition, the processed material from the handling cylinder 2 is supplied to the swinging sorter 24 almost evenly, and the second product passes through the space 23 and is returned to the swinging sorter 24. It is spread evenly on the moving sorter 24. As a result, the layer thickness of the processed material on the rocking sorter 24 is equalized, and the sorting performance is high.

  A transmission shaft 37 that transmits a driving force to the processing cylinder 8 passes in the front-rear direction in the space 23 in front of the processing chamber 7. The rear end of the transmission shaft 37 is connected to the processing cylinder 8 side through a joint 38. The front end of the transmission shaft 37 is connected to the output side of the gear box 41 disposed on the front side of the front plate 39 of the frame body 1 covering the front of the space 23 via a joint 42.

  The driving force from the gear box 41 is transmitted to the processing cylinder 7 via the transmission shaft 37, and the processing cylinder 7 is rotationally driven. Both joints 38 and 42 are located in the space 23. A joint 38 that connects the transmission shaft 37 and the processing cylinder 8 side is located on the side of the side cover 16.

  By removing the side cover 16 from the frame body 1 with the above structure, all the sides of the processing cylinder 8 and the side of the rear side of the handling cylinder 2 are opened simultaneously. At this time, the joint 38 connecting the transmission shaft 37 and the processing cylinder 7 side is also bare. The boundary position between the front side plate 21 and the side cover 16 is substantially the position of the lifting and conveying cylinder 32, and the rear side of the lifting and conveying cylinder 32 is generally opened simultaneously.

  As a result, maintenance of the processing cylinder 8 and the handling cylinder 2 can be easily performed, and in particular, maintenance of the joint 38 and the periphery of the joint 38 can be easily performed. Moreover, by removing the front side plate 21, the side of the handling cylinder 2 is opened as a whole, and thereby the maintainability of the present threshing device becomes higher.

  Note that the hook 18 and the locking rod 17 are disposed at a position ahead of the processing net 9 and a position behind the processing net 9, respectively. For this reason, processing of a processed material is performed smoothly, without the hook 18 and the latching rod 17 preventing the filtration process by the processing net | network 9. FIG.

It is a right view of a threshing apparatus. It is a principal part top view of a threshing apparatus. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. It is CC sectional drawing of FIG. It is DD sectional drawing of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Frame 2 Handling cylinder 8 Processing cylinder 9 Processing net 14 Opening part 16 Side cover 18 Hook (engaging member)
23 Space 37 Transmission shaft 38 Joint (connection part)

Claims (3)

  A handling cylinder (2) and a processing cylinder (8), which are pivotally supported so as to be rotatable and driven, are internally provided, and the processing cylinder (8) is located on the left and right sides of the handling cylinder (2) at a position behind the handling cylinder (2). In the threshing device arranged offset in the direction, the frame (1) of the threshing device is provided with an opening (14) from the side of the processing cylinder (8) to the side of the handling cylinder (2), A threshing device in which a side cover (16) covering the opening (14) is detachably attached to the frame (1).   An engagement member (18) for detachably attaching the side cover (16) to the frame (1) of the threshing device is provided, and the processed material processed by the processing cylinder (8) is provided below the processing cylinder (8). A threshing apparatus according to claim 1, wherein a treatment net (9) for filtration is provided, and the engaging members (18) are arranged at a front position from the treatment net (9) and at a rear position from the treatment net (9), respectively. . A space (23) located on the side of the handling cylinder (2) is provided in front of the processing cylinder (8), and a transmission shaft in the front-rear direction for transmitting a driving force to the processing cylinder (8) is provided in the space (23). The threshing apparatus according to claim 1 or 2, wherein (37) is provided, and the side cover (16) covers the side of the connecting portion (38) between the processing cylinder (8) and the transmission shaft (37).

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