JP2002204615A - Shaking and separating apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shaking and separating apparatus in which the projection height of a projection at a starting end resistance part of a straw rack is positively heightened, more effective loosening is carried out and occurrence of clogging followed by duration of a caught state of waste straw, etc., on the projection is avoided. SOLUTION: The starting end resistance part having a partially more enlarged transportation resistance in the movement direction of a material to be treated at the starting end part of the straw rack than a transportation action face. The starting end resistance part is provided with a sending action face with resistance which gives resistance to movement in the rear side in the transportation direction to the treated material to be transported, supplies the treated material to be transported in an imparted state of the movement resistance with a raising action upward and makes the treated material to be transported get over the starting end resistance part. The starting end resistance part is provided with a temporary movement resistance and a sending function.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a rocking sorter used in a combine or stationary threshing apparatus for threshing rice, wheat, soybean, or other grains. More specifically, a straw used in a swing sorting apparatus that swings and sorts under the handling room for threshing grain culms conveyed by a feed chain below the handling room from the handling room side. Regarding the structure of the rack.

[0002]

2. Description of the Related Art The structure of this kind of swing sorting apparatus is as follows.
Conventionally, the following structures are known. That is, the harvested culm is pinched and transported from the front side to the rear side of the machine body by the feed chain, and during the transport, threshing is performed by the threshing device. Received by the swing sorting device deployed below,
In this swing sorting apparatus, a crank motion having a large vertical motion component in a crank mechanism provided on the rear side of the workpiece in the workpiece feeding direction, and the direction of motion is directed from the lower front to the upper rear in the forward direction of the workpiece in the workpiece feeding direction. The object to be processed on the swing sorting apparatus is fed backward while being sorted by specific gravity by a combined movement with a slide movement having a large forward and backward movement component by the slider mechanism provided in the state. Then, the processed material having a large percentage of grain, which has been selected for specific gravity, is allowed to leak downward, the remaining processed material having a high proportion of straw waste is sent backward, and discharged from the end of the straw rack to the outside of the machine. (For example, see Japanese Patent Application Laid-Open No. 2000-2875).
No. 27).

[0003]

As described above, in the swing sorting apparatus that performs the specific gravity sorting by the slider crank motion, the objects to be treated with a high mixing ratio of straw waste are entangled in a lump while being swung and fed. In other words, the so-called No. 3 loss may occur, in which a large number of No. 3 materials are discharged out of the machine from the rear end of the straw rack in a state in which many of the No. 3 materials are mixed in the lump. Conventionally, in order to avoid the occurrence of the third loss, a rod-shaped protrusion is provided at the start end of the straw rack in the transfer direction of the workpiece, and a lump such as straw waste is caught on the protrusion. It has been devised such that the lump of the object to be treated is broken up and dispersed, and the straw waste and the chaff are separated to drop and collect the third object inside the lump. If such a bar-shaped projection has a small projection height, it is difficult for the projection to be reliably caught by the lump of the object to be processed, and there is a possibility that the intended releasing effect may not be obtained. is necessary. However, if the projection height of the projection is too high, even after the lump of the object to be processed is unraveled, a state occurs in which some straw chips are not caught and stuck, and the next lump is caught in that state, gradually There is a case where a large transport resistance portion appears at the start end of the straw rack due to an increase in the amount of straw chips caught on the projection. As described above, if the transport resistance at the start end of the straw rack becomes unnecessarily large, there is a possibility that the sorting accuracy on the better side may be reduced, or a clogging phenomenon may occur due to a large transport resistance. The state becomes more unfavorable than the occurrence of loss. However, in combine harvesters, the harvest conditions vary depending on the properties of the grain culm to be harvested, the volume, the degree of wetting, etc. It is difficult to give it in a state, and after all, conventionally, the height of the projection is set to a relatively low range that is relatively easy to come off so that the height of the straw waste does not become high. It has become common technical knowledge to be able to do this.

SUMMARY OF THE INVENTION [0004] The present invention avoids the occurrence of clogging due to the continued stuck state of straw chips and the like on the projection while positively increasing the projection height of the projection to enable more effective unraveling. The purpose of the present invention is to improve the efficiency of collecting the third object by promoting reliable unraveling, and the other purpose is to unravel the lump of the object and The aim is to improve the filtration accuracy in the straw rack part by improving the dispersion in the left-right direction, and to improve the sorting performance.

[0005]

The technical means of the swing sorting apparatus according to the present invention taken to achieve the above object are as follows. [Invention according to claim 1] An oscillating sorting apparatus for oscillating and sorting a culm conveyed by a feed chain below a handling room for threshing a grain supplied from a handling room side. , The straw rack provided near the transport end of the swinging sorting device has a part to be processed which is partially located at a start end in the direction of movement of the workpiece, on the transfer operation surface behind the start end in the movement direction. A starting end resistance portion having increased conveyance resistance in the moving direction is provided. The starting end resistance portion provides resistance to movement of the object to be conveyed backward in the conveyance direction, and a state in which the movement resistance is applied. A transfer action surface with a resistance that gives an upward push-up action to the object to be conveyed to get over the starting end resistance portion, and temporarily moves the moving object in the conveyance direction against the object to be conveyed. To move backward while giving Ri are allowed to a function.

According to the first aspect of the present invention, the following a. And b. The operation relating to the point described in (1) is achieved. a.
When an object to be processed, which is sent from the starting end side of the swing sorting device while undergoing the swing sorting operation, reaches the start end of the straw rack, the object is finally subjected to a swing sorting operation on the straw rack. Received, the amount of paddy mixed in the material to be treated is 3
It is collected as an item, and is sorted so that the remaining straw waste is discharged from the end of the straw rack. Then, on the rocking sorter, if the object to be processed is in a lump before reaching the straw rack start end, the straw waste composing the lump is caught by the protrusion of the start end resistance portion at the straw rack start end location. In this state, the rocking sorting is performed to give a lump action to the lump. At this time, according to the present invention, the starting end resistance portion provides resistance to movement in the transport direction rearward with respect to the transported object, and the transported object in a state where the movement resistance is given. The feeding surface has a resistance that pushes upward and pushes over the start-end resistance part, so that the resistance to the movement of the workpiece in the transport direction is considerably increased, and Even if you try to increase the release effect by catching
By pushing up by the feeding surface with resistance, a feeding action is given to the straw waste in the stuck state, and the catch of the straw waste can be released. Therefore,
It is possible to prevent a situation in which straw waste that does not come off while being caught is gradually accumulated and becomes clogged.
b. Moreover, in the starting end resistance section, the upward movement by the feeding action surface with resistance is performed, so that the straw chips falling over the conveyance operation surface of the straw rack over the starting end resistance section in an insufficiently unraveled state. Since it is also possible to apply a drop impact to the lump, in this respect too,
In addition, it becomes easier to reliably separate straw and paddy.

According to a second aspect of the present invention, in addition to the configuration of the first aspect of the present invention, the starting end resistance portion of the straw rack is orthogonal to the workpiece conveying direction. At a plurality of locations in the direction, and the angle of the resistance-feeding action surface at the starting end resistance portion is set to be lower on the side closer to the feed chain than on the side farther from the feed chain along the workpiece transfer direction. That is, the configuration of the point described above is adopted.

According to the second aspect of the present invention, the a. And b. And c. The operation relating to the point described in (1) is achieved. c. The angle of the resistance-feeding action surface at the starting end resistance part is set so that it is lower on the side closer to the feed chain than on the side farther from the feed chain along the workpiece transfer direction. , The workpiece moving over it,
It is easier to get closer to the feed chain. By this, the amount of processed material that is likely to be generated in a biased manner so that the grain culm tip side is relatively large is conveyed while being dispersed so as to be averaged in the left-right direction of the conveying surface. In addition, a function of dissolving the lumps of the object to be processed and averaging by dispersing the object to be processed is also provided, thereby improving the filtration accuracy in the straw rack portion and improving the sorting performance.

According to a third aspect of the present invention, in addition to the configuration of the first or second aspect of the present invention, there is provided a rack member forming a conveying operation surface of a straw rack, The configuration is such that the resistance feed member constituting the starting end resistance portion is integrally formed of a synthetic resin material.

According to the third aspect of the present invention, the a. And b. Or a. ~ C. In addition to the effects described in
The following d. The operation relating to the point described in (1) is achieved. d. The rack member constituting the conveying action surface of the straw rack and the resistance feed member constituting the start end resistance portion are formed as separate members, and these rack members and the start end resistance are compared with a case where they are attached and processed by appropriate means. By integrally forming the part with a synthetic resin material, individual production and mounting processing are not required.

According to a fourth aspect of the present invention, in addition to the first or second aspect of the present invention, a resistance feed member constituting a starting end resistance portion of the straw rack is provided. And a stepped rod-shaped member having a push-up action surface in the middle of the rod-shaped member.

According to the fourth aspect of the present invention, the a. And b. Or a. To c, in addition to the following e. The operation relating to the point described in (1) is achieved. e. When the resistance feed member constituting the starting end resistance portion of the straw rack is constituted by a stepped rod having a push-up action surface in the middle of the rod-shaped member, the resistance feed member itself has a simple structure that does not require the manufacture of a mold. It can be composed of things.

[0013]

An embodiment of the present invention will be described below with reference to the drawings. [Applied Environment of the Invention] FIG. 1 shows a threshing device mounted on a combine, and an oscillating sorter of the present invention is disposed inside the threshing device. The threshing device, in the middle of transporting the grain stalks cut by a cutting pre-processing device (not shown) on the front side of the traveling machine body rearward in the machine body traveling direction while holding the stock with the feed chain 1, The tip portion is configured to perform a handling process by rotating the handling cylinder 2. To be more specific, the threshing apparatus includes a threshing unit A
And a sorting section B and a collecting section C.

The threshing unit A has a handlebar 2 rotatably mounted around a longitudinal axis X in a handling chamber 3 and a receiving net 3A below the handlebar 2 along the outer periphery of the handlebar. It is constructed by stretching. The sorting unit B includes an oscillating sorting device 5 that receives and supplies the processed material from the threshing unit A, a karamin 4 that supplies a sifting wind to the oscillating sorting device 5, a threshing unit A, and a sorting unit. And a dust discharge fan 7 that sucks and floats the dust generated in B and sends the dust to a dust outlet 35 at the rear of the machine.
The collection unit C includes a first object collection screw conveyor 8 constituting a first object collection unit, a second object collection screw conveyor 9 forming a second object collection unit, and a second object collection screw conveyor 9. And a second reduction device 9A for reducing the processed material recovered in the step S on the swing sorting device 5.

[Overall Configuration of Swing Sorting Apparatus] The swing sorting apparatus 5 of the present invention is provided in the above-described sorting section B. FIG.
As shown in FIG. 5, the swing sorting device 5 includes a synthetic resin sheave case 5A, and the eccentric drive mechanism 10 provided at the rear end of the sheave case 5A cranks the rear end side more vertically than the front-rear direction. The oscillating drive is configured in a state where the motion component in the direction is large. The front side of the sheave case 5A is provided on the indoor wall of the threshing device so as to guide the guide rollers provided on the front side of the sheave case 5A and to guide the guide rollers from the lower front to the upper rear. The front side of the sheave case 5A is reciprocated by a sliding motion having a large moving component in the front-rear direction. Therefore, the object to be processed on the swing sorting device 5 is fed backward while being subjected to specific gravity sorting by a combined movement of a crank motion having a large vertical motion component and a slide motion having a large longitudinal motion component. The rocking and sorting apparatus 5 includes a rough sorting section B1 for roughly sorting the workpiece supplied from the threshing section, and a fine sorting for further receiving and sorting the workpiece passing through the rough sorting section B1. A part B2 is provided.

[Coarse Sorting Unit] The coarse sorting unit B1 is located above the front Glen pan 12, the chaff sheave 13, the straw rack 16 and the chaff sheave 13 and faces the dust outlet 30 at the end of the handling chamber 3. And a dust port receiving member 15 for receiving the object discharged from the dust port 30 and releasing the object to be fed backward while suppressing the falling of straw chips to the chaff sheave 13 side. It is configured.

More specifically, the front Gunren pan 12 performs specific gravity sorting while receiving the material to be leaked from the receiving net 3A and the material to be processed from the reduction device 9 and transporting them backward. A sieving line 12a is provided at the rear end of the front Glen pan 12, which serves as a transport end, and a step is provided between the Glen pan 12 and the chaff sheave 13, and the processing object is transferred from the front gren pan 12 to the chaff sheave 13. Is fed onto the front of the car. The sorting wind that was created at Karamin 4
It is supplied from the rear opening 17a of the Karamin case 17. That is, the leaked material from the Glen Sheave 14 and the Glen Sheave 14 itself, and thus the chaff sheave 13 and the straw rack 1
6 is supplied to the rear and upward direction of the sorting wind, and through the sorting wind introduction port 22 formed in the front wall portion of the Glen sheave 14, between the chaff sheave 13 and the Glen sheave 14, and backward through the step portion. It is blown,
Thereby, the workpiece to be dropped from the rear end of the front Glen pan 12 onto the chaff sheave 13 and the chaff sheave 1
Straw chips and the like among the objects to be treated leaking from 3 are blown backward.

As shown in FIGS. 1 to 3, the chaff sheave 13 is movable in a range of about three-quarters on the upper side in the feeding direction in the entire length range in the feeding direction of the workpiece. A chaff plate 27 is provided, and a fixed-type chaff plate 27 is provided in the remaining area. The movable chaff plate 27 is formed by arranging the chaff plates 27 each formed of a band plate member in front and rear at predetermined intervals, and is laid right and left with respect to the sheave case 5A. Each movable chaff plate 27 is vertically swingably supported around an upper swing fulcrum, and a lower end side is pivotally connected to a link bar member LB which is long in the front and rear directions to move the link bar member LB back and forth. Accordingly, the plate surface of each chaff plate 27 is changed in attitude with respect to the horizontal plane, and the gap between the respective chaff plates 27 is changed to change the degree of leakage of the object to be processed.

At the end of the handling room 3, at a position corresponding to the dust outlet 30 from which the objects not leaking from the receiving net 3 A are discharged, and at a position above the chaff sheave 13, A dust port receiver 15 is provided for receiving the object discharged from the dust port 30 and releasing the object to be fed backward while suppressing the falling of the waste to the chaff sheave 13 side. . In the dust receiving port receiver 15, a sheet metal rack portion 15b and a sieving line 15c are provided side by side at predetermined intervals on the left and right. Then, the dust port receiving member 15
The lower surface 15a of the front side has a structure that is inclined forward and upward so that the vertical distance between the sorting surface of the chaff sheave 13 and the front surface is widened. The rear part of the chaff sheave 13 is located below the rear end of the dust port receiver 15, and the processing target discharged from the rear end of the dust port receiver 15 is a part of the chaff sheave 13. It is dropped and supplied near the rear end of the movable chaff plate 27 group or at a side-by-side position of the fixed chaff plate 27, and thereafter, the rough sorting path B1 is moved to the straw rack 16 located at the end of the rough sorting path B1. The object to be processed is supplied.

The straw rack 16 disposed at the end of the rough sorting path B1 is configured as shown in FIGS. The straw rack 16 includes a plurality of rack members 18 extending in the longitudinal direction in the transport direction of the object to be processed. are doing. The rack member 18 is integrally connected at a starting end by a fixed frame 19, and is configured in a cantilever shape having a free end at a terminating side. A starting end resistor section 20 is provided. This starting end resistance part 2
Numeral 0 is constituted by providing a resistance feed member 21 so as to partially increase the transport resistance in the moving direction of the workpiece, as compared with the transport action surface 18A on the rack member 18. The resistance feed member 21 has a resistance feed operation surface 21A having a larger inclination angle with respect to a horizontal plane than an upper edge of the rack member 18 constituting the transport operation surface 18A. Is formed by the same uneven surface shape as the rack member 18. The concavo-convex surface shape formed on the feeding action surface 21A with resistance includes a resistance action surface 21a that gives a movement resistance to the processing object rearward in the conveyance direction, and a processing object in a state where the movement resistance is given. Is provided with a push-up action surface 21b for giving a push-up action to the upper side to get over the starting end resistance portion 20. This is to provide a feed function so as to move backward while giving.

The resistance feed member 21 is fixed to the fixed frame 1.
9, the fixing frame 19 is provided at a position substantially the same as the mounting position of every other rack member 18, with the side surface of the resistance feed member 21 superimposed on the side surface of the rack member 18. Attached to each. Then, the lifting height of the object to be processed by the resistance feed member 21 is higher on the tip side of the cereal culm conveyed by the feed chain 1 and lower on the side corresponding to the cereal culm root, and the feeding action with resistance is lower. The angle of the surface 21A is
Of the feed chain 1 along the workpiece transfer direction
Resistance feed member 21 on the side farther from (shown by a broken line in FIG. 4)
Resistance feed member 21 closer to feed chain 1 than
The angle is set so as to be lower (as indicated by the solid line in FIG. 4).

[Selective Sorting Section] A front Glen pan 1 is located at a position corresponding to a position below the chaff sheave 13 in the sheave case 5A.
In a state following the front wall portion of the forwardly inclined posture extending downward from the intermediate position in the front-rear direction of No. 2, a Glen sheave 14 as a fine sorting portion is provided. This Glen Sheave 14
Has a corrugated plate-like portion at the front end, followed by a net-like portion. As shown in FIG. 1, the rear end of the mesh portion of the Glen Sheave 14 is disposed near the boundary between the first object recovery screw conveyor 8 and the second object recovery screw conveyor 9, An object to be processed which leaks from the mesh portion to reach the rear end of the mesh portion is guided to fall by the screw recovery conveyor 8 for the first time, and an object to be dropped and discharged over the rear end of the mesh portion is It is configured to drop to the side of the screw conveyor 9 for collecting the second product.

[Other Embodiments] Other embodiments of the present invention will be listed below. [1] Feeding action surface 21A with resistance of resistance feeding member 21
The angle is not limited to the one changed in the left and right as shown in the embodiment, and may be the same angle in the left and right and no difference in height is provided. Further, instead of changing the angle between left and right, a lifting height may be changed between right and left by adopting one having the same inclination and different length to the end. [2] As shown in FIG. 5, the rack member 18 constituting the conveying action surface 18A of the straw rack 16 and the resistance feed member 21 constituting the start end resistance portion 20 are made of a synthetic resin material,
Alternatively, they may be integrally formed of a sheet metal material. Also in the case of such a configuration, the angle and the lifting height of the feeding action surface 21A with resistance can be set in the same manner as in the above-described case. [3] As shown in FIG. 6, the resistance feed member 21 constituting the starting end resistance portion 20 of the straw rack is formed by welding another bar to the rear of one bar and pushing up to the middle of the bar. It may be formed of a stepped bar having the operation surface 21b, or may be formed in a step shape by bending a single bar in a step shape. Also in the case of such a configuration, the angle and the lifting height of the feeding action surface 21A with resistance can be set in the same manner as in the above-described case. [4] The mounting of the resistance feed member 21 constituting the starting end resistance portion 20 is not limited to being mounted on every other rack member 18 as described in the embodiment, but may be performed on all the rack members 18.
The same number of resistance feed members 21 may be attached to the rack member 18, or the resistance feed members 21 may be provided every third or third rack member 18. [5] In the embodiment, the configuration has been described in which the workpiece is dropped and supplied onto the rear end of the chaff sheave from the end of the dust port receiver 15. A processing rotary body driven by forced rotation is provided, and
It is also possible to adopt a configuration in which the processing rotator is sent out from the end of the processing rotator with an unraveling action.

[0024]

According to the first aspect of the present invention, the following effects can be obtained. [B] Even if the resistance to the movement of the workpiece in the transport direction at the starting end resistance part is considerably increased, and the release effect is enhanced by the reliable trapping of the straw waste, the lifting by the feeding action surface with the resistance In this way, it is possible to provide a feeding action to the straw waste in the trapped state, and to release the catch of the straw waste. It can be prevented before it happens. Therefore, there is an advantage that both the improvement of the function of unraveling the lump of straw waste and the effect of avoiding the occurrence of clogging due to the accumulation of the straw waste can be achieved. [B] It is possible to add not only the breaking effect of the lump of straw but also the impact of dropping it by feeding it in a hooked state. There is an advantage that the separation can be easily performed.

According to the second aspect of the invention, the following effects can be obtained. [C] The amount of material to be processed, which tends to be generated in a biased manner so that the grain culm tip side is relatively large, is transported while being dispersed so as to be averaged in the left-right direction of the transport surface. There is an effect that, along with dissolving the lump of the object to be processed, the object to be processed is dispersed and averaged, the filtering accuracy at the straw rack portion is improved, and the sorting performance can be improved.

According to the third aspect of the invention, the following effects can be obtained. [D] The rack member constituting the conveying action surface of the straw rack and the resistance feed member constituting the starting end resistance part are formed as separate members, and these rack members are compared with a case where they are attached and processed by appropriate means. By integrally forming the starting end resistor portion with a synthetic resin material, it is possible to configure the device at low cost.

According to the fourth aspect of the invention, the following effects can be obtained. [E] By forming the resistance feed member constituting the starting end resistance portion of the straw rack as a stepped rod having a push-up action surface in the middle of the rod-shaped member, the resistance feed member itself becomes necessary for die manufacturing. There is no simple structure.

[Brief description of the drawings]

FIG. 1 is a side view showing a sectional structure of a threshing apparatus.

FIG. 2 is a side view showing a cross-sectional structure of the swing sorting device.

FIG. 3 is a perspective view of a straw rack.

FIG. 4 is a side view of a straw rack.

FIG. 5 is a side view showing another embodiment of the straw rack.

FIG. 6 is a side view showing another embodiment of the straw rack.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Feed chain 3 Handling room 5 Oscillating sorter 16 Straw rack 18 Rack member 18A Conveying operation surface 20 Starting end resistance part 21 Resistance feeding member 21A Feeding operation surface with resistance 21a Resistance operation surface 21b Push-up operation surface

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Takashi Arimoto 64 Ishizukitamachi, Sakai City, Osaka Prefecture Inside Kubota Sakai Factory (72) Inventor Shuichi Mori 64 Ishizukitamachi, Sakai City, Osaka Prefecture Kubota Sakai Co., Ltd. F term in the factory (reference) 2B095 AA01 AA07 BA30 BB20 BB21

Claims (4)

[Claims] An oscillating sorting apparatus for oscillating and sorting a culm conveyed by a feed chain below a handling room for threshing a grain stalk fed from a handling room side. At the starting end of the straw rack in the moving direction of the workpiece, which is provided near the transporting end of the sorting device, partially in the moving direction of the workpiece, rather than on the transporting operation surface on the rear side in the moving direction from the starting end. A starting end resistance portion having a large transfer resistance is provided. The starting end resistance portion provides resistance to movement of the object to be conveyed rearward in the conveyance direction, and the transfer end in a state where the movement resistance is given. Forming a feeding surface with resistance that gives the processing object a push-up action to the upper side to get over the starting end resistance part, while giving temporary movement resistance in the transport direction to the workpiece to be transported Feed function to move backward Rocking sorter which had been e. 2. A starting end resistance portion of a straw rack is provided at a plurality of positions in a direction orthogonal to a processing object conveyance direction, and an angle of a feeding action surface with resistance at the starting end resistance portion is set in a processing object conveyance direction. 2. The swing sorting device according to claim 1, wherein the angle is set so that the angle is set lower on a side closer to the feed chain than on a side farther from the feed chain along the axis. 3. The swing sorting device according to claim 1, wherein the rack member forming the conveying action surface of the straw rack and the resistance feed member forming the starting end resistance portion are integrally formed of a synthetic resin material. . 4. The swing sorter according to claim 1, wherein the resistance feed member constituting the starting end resistance portion of the straw rack is a stepped rod having a push-up action surface at an intermediate portion of the rod. apparatus.