JP3797380B2 - Threshing device - Google Patents

Description

  The present invention relates to a threshing device provided in a combine or the like.

Conventionally, in this type of threshing apparatus, a technique for facilitating cleaning and maintenance of the handling chamber by swinging and opening the handling cylinder is known, for example, from Patent Document 1.
Patent Document 2 describes a threshing device in which a handling cylinder and a waste transporting chain are configured to be swingable and open.

Further, in Patent Document 3, the handling cylinder and the waste conveying chain are configured to be swingable and open, and the handling cylinder is threshed by a lock device provided so as to be biased toward the feed chain with respect to the handling cylinder axis. A threshing device configured to be held in position is described.
Japanese Utility Model Publication No.59-150231 JP-A-3-65120 Microfilm of Japanese Utility Model Application No. 1-1117524 (Japanese Utility Model Application Publication No. 3-56331)

  In the known technology as described in the above-mentioned Patent Document 1, even if the handling cylinder is swung open, the rear evacuation conveyance unit remains blocked and cannot be easily maintained. There was a problem that maintenance of the entire threshing device from the room to the waste transporting unit could not be sufficiently performed.

  Further, in the techniques described in Patent Documents 2 and 3 described above, although the waste transport chain can be swung open in addition to the swing release of the handling cylinder, It is unclear in what relative attitude the squeezing and holding rods facing each other are separated, for example, assuming that the squeezing transport chain and the squeezing and holding rods are spaced apart in a parallel posture. , The gap between the start end of the waste transport chain and the waste retainer is large and difficult to separate, and it is easy to remove the waste clogged in the takeover from the end of the feed chain to the start of the waste transport chain. There is a drawback that it cannot be removed and the work efficiency is lowered.

  Further, in the above-described known technology, there is no consideration for the maintenance of the dust removal cylinder attached to the handling cylinder.

In order to solve the above-mentioned problems, the present invention takes the following technical means.
That is, the waste transport chain (40) is configured to be openable and closable, and the handling cylinder (2) is installed in a frame configuration part including the front side plate (4), the rear side plate (5), and the side frame (6). In constructing the handling cylinder (2) so as to be swingable open to a non-working position, the rear plate (5) is configured such that the front part of the dust removing cylinder (22) can be brought close to the rear part of the handling cylinder (2). forming a convex portion after the side plate (5A) fixed side of the concave portion to form the co the thresher apparatus body, the locking device between the rear plate (5) and the fixed rear plate (5A) (38 ) And the barrel (2) in the threshing work position with the recess formed in the rear plate (5) by the locking device (38) fitted to the convex portion formed in the fixed rear plate (5A). and configured to hold, formed so as not to open the side of the rear side plate (5) nearer the said fixed side rear plate (5A) The rear plate (5) and the fixed side are connected to the front part of the dust removal cylinder (22) and the rear part of the treatment cylinder (2) held at the threshing work position through the space (3). The rear plate (5A) is configured to be held in a state of being opposed to the front side, while the locking device (38) is unlocked so that a recess formed in the rear plate (5) is formed on the fixed side rear plate (5A). The handle cylinder (2) is rocked and opened so as to be separated from the convex portion formed on the inner surface, thereby separating the rear portion of the handle cylinder (2) from the front portion of the dust discharge cylinder (22), and cleaning the dust chamber. It is set as the structure of the threshing apparatus characterized by having comprised so that an inspection can be performed.

  According to the present invention, the dust handling chamber 2 can be cleaned and inspected by swinging and opening the handling cylinder 2 to separate the rear part of the handling cylinder 2 from the front part of the dust collection cylinder 22.

  In the illustrated example, the handling chamber 3 is framed by a front side plate 4, a rear side plate 5, a side frame 6, and the like, and in this handling chamber 3, a handling cylinder 2 that rotates around one axis in the longitudinal direction of the machine body. The receiving net 7 is stretched along at least the lower half circumference of the handling chamber, and is configured to be slidable. A feed chain 8 is stretched on one side of the handling chamber, and the grains are held and conveyed by a holding rail 9 provided on the upper side.

  The feed chain 8 and the chain rail 10 are configured so as to be swingable around a vertical support shaft 11 provided on the start end side. 10A is a chain support frame, 11A is a support column protruding from the machine base, and is firmly held by a support station 11B protruding from the fixed side front plate 4A of the handling chamber. A frame 10A is rotatably mounted around the support shaft 11.

  Further, a gripping rail 9 for the feed chain 8 is mounted on a handling cylinder cover 12 that covers the upper part of the handling chamber 3, and the cover 12 is vertically moved with a horizontal axis 13 in the front-rear direction as a fulcrum. It is configured to be able to swing open and close in the direction.

  The drive unit to the feed chain 8 is composed of feed chain drive shafts 14a and 14b that are spline-fitted in a freely extendable and slidable manner driven by a drive unit 14 and a drive sprocket 15 to the feed chain 8. It is configured to be interlocked and connected so that power can be transmitted through the monkey joint 16.

  When opening the feed chain 8 with the front of the threshing portion as a swing fulcrum, it is necessary to dispose the swing fulcrum near the beginning of the feed chain in order to prevent interference with the cutting and conveying chain and the inlet funnel. In many cases, the feed chain drive unit and the swing fulcrum are misaligned, and power transmission by gear meshing and claw clutches has been proposed. However, meshing failure may occur due to assembly errors or deflection. There are many. Such a problem can be solved by power transmission through the universal joint 16.

  The processing chamber 17 is juxtaposed on the side opposite to the feed chain 8 side of the handling chamber 3, and accepts the processed material sent out from the handling chamber 3 and processes it while transporting this axially rearward. The processing cylinder 18 is mounted on the interior shaft.

  In addition, a processing cylinder receiving net 19 is stretched in the processing chamber 17 so that the cerealed grains are allowed to leak to the lower sorting section. The processing cylinder receiving net 19 is configured so as to be pulled out toward the side of the handling chamber 3, and is usually held and held by the side frame 6 of the handling chamber 3.

  The dust removal chamber 21 receives the processed material from the dust delivery port 20 that has reached the end of the processing chamber 17 and performs a dust removal treatment while transferring it to the rear. A dust-cylinder receiving net 23 is stretched on the side. A dust exhaust port 24 is provided on the end side of the dust exhaust chamber.

  The cereal meal supplied into the handling chamber 3 is threshed by the handling cylinder 2. Processed materials such as straw scraps and unprocessed grains generated in the chamber 3 are sent into the process chamber 17 from the middle, and are transferred to the rear by the process cylinder 18 and are subjected to a de-granulation process. It is sent into the chamber 21. In the dust removal chamber 21, the dust removal process is performed while being transferred backward by the dust removal drum 22. Grains that have been shattered in the chambers 17 and 21 leak from the receiving nets 19 and 23 to the lower sorting chamber, and dust disposal products such as straw scraps are discharged from the dust outlet 24 to the outside of the machine. .

  The handling chamber 3 is configured so that the handling cylinder 2 and the receiving net 7 can be integrally opened with respect to the lower sorting chamber and the processing chamber 17, that is, on the front end side of the handling chamber 3 and the processing chamber. The vertical axis 26 provided on the machine body side frame 25 located on the 17th side is configured to swing open and close in the horizontal direction with the pivot 26 serving as a rotation fulcrum. By dividing the treatment chamber in the vicinity of the communication port between the processing chamber 17 and the dust removal chamber 21, when the treatment chamber is rocked and opened, the operator can put the entire body up to the dust removal barrel. It is easy to remove, clean and inspect the residual soot in the dust chamber.

  By setting the swing opening / closing fulcrum 11 of the feed chain 8 ahead of the swing opening / closing fulcrum 26 of the handling chamber 3, the opening angle of the handling chamber can be increased even if the opening angle of the feed chain is small. It is easy to clean and inspect the processing chamber and the swing sorting shelf.

The left and right side plates 27, 28 behind the handling chamber 3 are connected and held by a casing 30 of a cross flow fan 29.
In particular, the left side plate 27 is firmly held via a reinforcing frame 31 that is connected to the fixed side rear side plate 5 </ b> A of the handling chamber 3.

  The swing opening / closing fulcrum of the handling chamber is set to a relevant position so that the lower surface of the movable front plate 4 is always in contact with the upper surface 4a of the fixed front plate 4A when the swing opening is opened. is doing.

  A swing sorting shelf 33 is disposed in the sorting chamber 32 below the handling chamber. Reference numeral 34 denotes a first cereal cylinder that communicates with the Glen tank 35. 36 is a No. 2 cereal cylinder, and this No. 2 cereal cylinder 36 is communicated so that the second thing from the sorting unit is returned to the front end side of the processing chamber 17 and reprocessed in the processing chamber, And what was processed in this processing chamber is constituted so that it may return from the opening part 37 on the rocking sorting shelf 33 below.

  38 is a locking lock mechanism (locking device) for the handling chamber, 39 is an evacuation holding rod, 40 is an evacuation conveying chain, which is integrated with the handling cylinder cover 12 so as to swing up and down. It is composed.

It is a side view of the principal part of a threshing machine. It is a front view of the principal part of a threshing machine. It is a front view which can partly break a threshing machine principal part. It is a top view which shows the handling chamber rocking | fluctuation open state of the threshing machine principal part. It is a side view which shows the handling chamber rocking | fluctuation open state of the threshing machine principal part. It is a sectional side view of the principal part of a threshing machine. It is a perspective view inside the threshing machine principal part. It is a perspective view of the handling chamber principal part of a threshing machine. It is S1-S1 sectional drawing of FIG. It is S2-S2 sectional drawing of FIG. It is S3-S3 sectional drawing of FIG.

Explanation of symbols

1 Handle cylinder 2 Handle cylinder
DESCRIPTION OF SYMBOLS 3 Handling chamber 4 Front side plate 5 Rear side plate 5A Fixed side rear side plate 6 Side frame 7 Receiving net 8 Feed chain 9 Holding rail 10 Chain rail 11 Support shaft 12 Handling cylinder cover 13 Horizontal shaft 14 Drive device 15 Drive sprocket 16 Universal Joint 17 Processing Chamber 18 Processing Cylinder 19 Processing Cylinder Receiving Network 20 Dust Delivery Port 21 Dust Removal Chamber 22 Dust Removal Cylinder 23 Dust Removal Cylinder Receiving Net 24 Dust Removal Port 25 Airframe Side Frame 26 Vertical axis 27 Left side plate 28 Right side plate 29 Cross flow fan 30 Casing 31 Reinforcement frame 32 Sorting chamber 33 Oscillating sorting shelf 34 First cereal cylinder 35 Glen tank 36 Second cereal cylinder 37 Opening 38 Locking lock mechanism (locking device) )
39 Exhaust holder 40 Exhaust conveyor chain

Claims (1)

The waste transport chain (40) is configured to be openable and closable, and a handling cylinder (2) is installed in a frame configuration part including the front side plate (4), the rear side plate (5), and the side frame (6). In constructing the cylinder (2) so as to be swingable open to the non-working position, the rear plate (5) has a recess that allows the front part of the dust removing cylinder (22) to approach the rear part of the handling cylinder (2). locking device between to form a on the fixed side rear plate of the thresher apparatus body (5A) co form a convex portion, the rear side plate (5) and the fixed rear plate (5A) (38) The handling cylinder (2) can be held in the threshing work position in a state in which the concave portion formed on the rear side plate (5) by the locking device (38) is fitted to the convex portion formed on the fixed side rear side plate (5A). configured to, the so as not to open the side of the rear side plate (5) near the fixed side rear plate (5A) formed the space The rear plate (5) and the fixed-side rear plate (5A) are connected to the front part of the dust removal cylinder (22) facing the inside of the treatment room (3) and the rear part of the treatment cylinder (2) held at the threshing work position. ) On the front side and the concave portion formed on the rear plate (5) by releasing the lock of the locking device (38), and the convex formed on the fixed rear plate (5A). Cleaning and inspecting the dust chamber by separating the rear part of the cylinder (2) from the front part of the dust cylinder (22) by swinging and opening the cylinder (2) so as to be detached from the part. A threshing apparatus, characterized in that it is configured to be able to perform.

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