JP2017195820A - Threshing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem of a conventional technology in which a sticking prevention member is provided in the front part of a threshing chamber, and therefore a threshing load is large at the threshing beginning, particularly when threshing wet crops, it becomes a factor for causing a trouble of clogging, etc.SOLUTION: A threshing device 1 of the present invention is configured such that a sticking prevention member (15) formed of a cut-out groove (14) with the threshing teeth (5) passing therethrough is provided over a rear side from a substantially intermediate part of a threshing chamber (3) for internally pivotally installing a threshing cylinder (4), and the sticking grains mixed in the grain culm are threshed out when the rotating threshing teeth (5) pass through the cut-out groove (14). As a result of this arrangement, the above defects are solved to reduce a threshing load, and thereby the working efficiency is improved.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a threshing apparatus provided with a trimmer prevention member in a handling chamber.

  Conventionally, for example, as shown in Patent Document 1, a technique has been disclosed in which an anti-corrosion member having a notch groove through which a tooth is passed from the front part to the rear part of the treatment room (for example, Patent Document 1). 1).

JP 2013-81474 A

  According to the prior art, since the anti-corrosion member is provided up to the front part of the handling room, the threshing load at the beginning of handling is large, and troubles such as clogging occur when threshing wet crops in particular. It was a factor.

  The present invention aims to eliminate the above-mentioned deficiencies of the prior art, reduce the threshing load, and increase the threshing efficiency.

In order to solve the above problems, the present invention has taken the following technical means.
That is, according to the first aspect of the present invention, a notch groove (14) through which the tooth handling (5) passes is formed from a substantially intermediate portion to a rear side of the handling chamber (3) in which the handling cylinder (4) is pivotally mounted. A trimmer prevention member (15) is provided, and when the rotating handle (5) passes through the notch groove (14), the trimmer mixed in the culm is handled.

  When the tooth handling (5) of the rotating barrel (4) passes through the notch groove (14) of the anti-rusting member (15), the small grains that have been crushed into the threshing grains are handled and collected. The

  Since the prevention member (15) is not provided in the front part of the handling chamber (3), the threshing load is greatly reduced, and the threshing efficiency can be increased.

  According to a second aspect of the present invention, in the first aspect, the anti-corrosion member (15) is provided at a position in front of the communication port (9) at the end of the handling chamber from a substantially middle portion of the handling chamber (3). .

  Since there is no carry-over of the processed material at the communication port portion (9), it is possible to further reduce the load by not providing the casual prevention member (15) at this portion.

  According to a third aspect of the present invention, in the first or second aspect, the anti-corrosion member (15) is disposed on the feed chain (2) side of the handling chamber (3), and the anti-feed chain of the handling chamber is disposed. It arrange | positions so that it may overlap with this cutting blade (16) from the intermediate part of the cutting blade (16) in the side to a back position.

  Although the front side of the handling chamber (3) lacks the anti-corrosion member (15), the cutting edge (16) on the back side can also reduce the burden by cutting the sawdust and perform highly efficient threshing work. .

  According to invention of Claim 1, since the front side part of a handling chamber (3) lacks a crush prevention member (15), a threshing load can reduce significantly and a threshing efficiency can be raised more.

  According to the second aspect of the present invention, in addition to the effect of the first aspect of the present invention, the handling port (9) at the end of the handling chamber (3) does not carry around the processed material. By not providing (15), the load can be further reduced.

  According to the third aspect of the present invention, in addition to the effect of the first or second aspect of the invention, the front portion of the handling chamber (3) lacks the anti-corrosion member (15), but By cutting the sawdust with the side cutting blade (16), the burden can be reduced and a highly efficient threshing operation can be performed.

Front sectional view of threshing device Front sectional view of main part of threshing device Side sectional view of the main part of the threshing device Side sectional view of the main part (A) Side view of the cutting edge, (b) Side view of the anti-corrosion member, (c) Plan view of the receiving net (A) Front view of front hook-like member, (b) Side view of main part of handling cylinder cover, (c) Rear view of rear hook-like member Front view of the main part of the threshing device Top view of the main part

  An embodiment of the present invention will be described with reference to the drawings.

  A threshing device (threshing unit) 1 mounted on a combine body has the following configuration. That is, the threshing unit 1 is configured to perform the threshing process by the handling cylinder 4 that is driven and rotated in the handling chamber 3 for the tip part of the cereal basket that is conveyed while holding the stock by the feed chain 2.

  The receiving net 6 of the handling chamber 3 is provided with a partition 7, and the handling cylinder cover 8 at the upper portion of the handling chamber is configured to be able to swing open and close up and down.

  A second treatment cylinder 11 and a dust removal treatment cylinder 12 are installed on one side of the handling chamber 3 opposite to the feed chain 2 side, and the terminal side of the handling chamber 3 contains grains. A communication port 9 for opening dust and the like to the dust disposal chamber 13 is opened.

  On the feed chain 2 side of the handling chamber 3, there is provided a trimmer prevention member 15 in which a comb-like cutout groove 14 through which the tooth handling teeth 5 pass is formed. In addition, a small grain is a grain that has been threshed from a grain culm and entered into a threshing target grain or a bundle of grains after threshing.

  By receiving the threshing that is threshed by the handling cylinder 4 and circulates in the handling chamber 3 by the light-prevention member 15, the threshing is prevented from entering the cereal bowl. Moreover, after preventing the fresh grains from being mixed into the cereal as described above, when the rotating toothed teeth 5 pass through the notch groove 14, the crushed grains that are already crushed into the cereal are handled. It is going to drop.

  Then, the anti-crushing member 15 is provided from a substantially intermediate portion excluding the front half of the handling chamber 3 to the front (see FIG. 3) or the rear end (see FIG. 4) of the communicating port 9 located at the end of the handling chamber. Moreover, it is disposed on the wall of the handling chamber 3 on the feed chain 2 side. Since many grains are mixed in the grain side of the cereal, they are arranged on the side of the feed chain 2 for nipping and transferring the cereal.

  On the feed chain 2 side (front side) and the non-feed chain side (back side) of the handling chamber 3, cutting blades 16 are provided for cutting sawdust generated in the handling chamber. In the embodiment, five cutting blades 16a on the back side are installed on the front half side of the handling chamber, and three cutting blades 16b on the front side are installed on the middle side of the handling chamber.

  Further, the anti-corrosion member 15 is arranged and configured to overlap from the middle (third from the front side) of the cutting edge 16a on the back side of the handling chamber 3.

  Further, the anti-corrosion member 15 is provided from the partition metal 7M1 or 7M2 or 7M3 located in the middle of the receiving net 6 in the front-rear direction to the rear partition metal 7R.

  A receiving net 6 along the circumferential surface of the handling cylinder is provided below the handling cylinder, and a net holding partition 10 that forms a surface along the circumferential surface of the handling cylinder 4 gently from the feed chain 2 along the receiving net 6. In the threshing device, by providing the net presser divider 10 on the front side of the middle dividers 7M2 and 7M3 in the middle of the receiving net and the front side of the divider 7R at the rear end of the receiving net, the front side in the barrel rotation direction Next to the net presser divider 10, the net presser divider 10 on the slightly rear side in the direction in which the grain flour flows allows the grain stuck in the kernel to be efficiently scraped and dropped and collected from the receiving net.

  The number of cutting blades on the rear side of the chamber is larger than that on the front side, but by installing a partition metal on the front and back of the many installed cutting blades, and on the part facing the handle of the net holder, The grits are efficiently collected by the net-holding divider on the front side in the body rotation direction, and the shavings are finely cut by the cutting blade, so that the grits are easily collected.

  Moreover, although omitted in the drawings, by providing a partition metal in the middle and the part facing the handle of the net presser with respect to the front and rear direction of the dust feed guide provided on the inner surface of the handle cover, Regardless of the amount of dust delivered, it is possible to efficiently collect the small grains with the partition of the front net presser in the direction of rotation of the barrel.

  Below the handling chamber 3 is provided a swing sorting shelf 18 that receives the processed product after the threshing process and performs screen sorting while swinging and transporting. From the upper side of the sorting direction, the transport shelf 19, chaff sheave 20, and straw rack 21 are provided. And a glenive 22 is arranged below the chaff sheave 20. Furthermore, a configuration in which a tang 23, a first spiral 24, a second spiral 25, and a dust exhaust fan 26 are arranged above the swing sorting shelf 18 in order from the upper side of the sorting direction is provided. Yes.

  In addition, a sheave scraper 27 is provided on the starting end side of the chaff sheave 20 to remove and remove the dust adhering to the sheave surface.

  By providing the sheave scraper 27 below the receiving net connected to the communication port 9 and in front of the grain sheave 22, the sieve scraper acts on the sorted material leaked from the receiving chamber receiving net, and is leveled and sent to the grain sheave. And can efficiently collect and sort the grains.

  Next, FIG. 6 will be described.

  One end side of the barrel cover 6 is attached by a hinge member so as to be swingable and openable, and a hook-like member 29 that is rotated within a certain range by a lever 28 is provided on the opposite side (the other end) and hooked on a pin 30 provided on the machine frame. In a threshing device having a mechanism for fixing, providing hook-like members 29 before and after the cover, and connecting both members by a shaft 31, the hooks 29 and the shaft 31 on one side are fixed by welding or the like, and the other end is fitted or the like The hook-shaped member engagement portion on the assembly side is provided with a slightly rotatable backlash (about 10 degrees), so that even if the shaft is twisted by an external force or the like, the hook-shaped member backlash Since it is possible to rotate by a minute amount, it is possible to prevent the handling cylinder cover from being caught by a pin and opening the handling cylinder unexpectedly.

  As shown in FIGS. 7 and 8, a motor and a link mechanism are provided on the front side of the threshing machine frame, and the rod 34 provided at the tip of the link mechanism acts on a part of the handling cover opening / closing mechanism by inputting a signal. Thus, in the threshing apparatus having a mechanism for controlling the handling cylinder cover to open, the oil supply port 36 of the handling cylinder input gear case 35 provided on the front side of the threshing machine frame and the link mechanism or rod 34 for transmitting the drive of the motor are viewed in plan view. With the arrangement so as not to overlap with each other, there is no hindrance to refueling from the refueling port, and the handling cylinder cover can be opened with a motor.

2 Feed chain 3 Handling chamber 4 Handling cylinder 5 Teeth 6 Catching net 7 Separator 9 Communication port 14 Notch groove 15 Anti-corrosion member 16 Cutting blade

Claims (3)

  An anti-corrosion member (15) is provided in which a notch groove (14) through which the tooth handling (5) passes is formed from a substantially middle portion of the handling chamber (3) in which the handling barrel (4) is pivoted to the rear side, A threshing device configured to handle the coarse grains mixed in the culm when the rotating tooth handling (5) passes through the notch groove (14).   The threshing device according to claim 1, wherein the anti-corrosion member (15) is provided from a substantially middle portion of the handling chamber (3) to a position before the communication port portion (9) at the end of the handling chamber. The anti-corrosion member (15) is disposed on the feed chain (2) side of the handling chamber (3), and extends from the intermediate portion of the cutting edge (16) on the opposite side of the handling chamber to the rear position. The threshing device according to claim 1 or 2, which is arranged so as to overlap the blade (16).

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