JP2011200174A - Separation controller of thresher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To raise the separation accuracy by changing the blowoff direction of the whole separation wind blown off from a pressurized air winnower according to the amount of materials which are to be treated on a shaking separator, and include the materials which are to be treated and discharged from a tailings treating chamber to a separation chamber.SOLUTION: A separation controller of a thresher includes: a pair of upper and lower wind direction guide plates 8 and 9 provided for regulating the blowoff direction of the separation wind on the blowoff side of the separation wind of the pressurized air winnower 5 to form a separation wind guide passage 10 between the pair of upper and lower wind direction guide plates 8 and 9; and a sensor 11 installed for detecting the amount of the materials which are to be treated on the shaking separator 4 including the materials which are to be treated and discharged from the tailings treating chamber 2 to the separation chamber 3. The separation controller of the thresher is composed so as to regulate the tilt angle of the pair of upper and lower wind direction guide plates 8 and 9 on the basis of the amount of the materials which are to be treated and detected with the sensor 11 and automatically change the blowoff direction of the separation wind from the separation wind guide passage 10.

Description

  The present invention relates to a sorting control device for a threshing device.

  2. Description of the Related Art Conventionally, in a combine threshing device, a sorting control device has been used to improve the accuracy of sorting. Patent Document 1 listed below discloses the following sorting control device as a known technique.

  That is, “a rough sorting unit 15 that performs rough sorting while receiving the processed material leaked from the handling chamber 2 with a chaff sheave and swinging and transferring, and a fine sorting unit 16 that sorts the sorted processed product into a grain and a second product, An intermediate sorting portion 17 having a plurality of sieve lines 25 is arranged at the upper and lower intermediate positions of both, and an opening 30 is formed through which a part of the sorting wind from the Kara 7 can be introduced between the two. In addition, a wind direction plate 31 capable of increasing or decreasing the amount of the selected wind introduced into the opening 30 and a posture changing means M of the wind direction plate 31 are provided, and the amount of processed material increases based on the detection result of the processing amount detection sensor S. Accordingly, the wind direction plate 31 is in a posture to increase the introduction amount of the selected wind into the opening 30, and the wind direction plate 31 is in a posture to decrease the introduction amount as the amount of processed material decreases. A control device 28 for controlling the attitude changing means M is provided. " That.

  And the purpose is to provide “a rocking sorting device in a threshing device that can keep the sorting ability high regardless of the amount of processed material since it can prevent wasteful consumption of the output of Kara.” Has been.

Japanese Patent Laid-Open No. 7-274696

  The configuration of the conventional oscillating sorting apparatus is, as disclosed in the above-mentioned Patent Document 1, provided with a single wind direction guide plate at the upper and lower intermediate positions of the Kara sorting wind outlet, and the attitude of this wind direction guide plate It is a configuration that changes the flow direction of the middle part of the sorting wind layer blown out from the tang by adjusting (angle), and does not change the direction of the sorting wind blown out from the upper part of the sorting wind guide path, Since the flow direction of the entire sorting wind does not change, the efficiency of the targeted wind sorting does not increase.

  And in order to accurately grasp the amount of the processed material in the sorting room of the threshing device, it is mainly suitable to detect the processed material discharged from the second processing chamber after receiving the threshing once. In addition, when the amount of leakage from the handling room is detected as in the conventional device, there are cases where the error is large and does not match the actual situation.

  Furthermore, when the amount of processed material in the sorting chamber decreases when the conventional apparatus blows the sorting wind toward the terminal side of the oscillating sorting apparatus, the third scattering to the outside of the machine increases due to the dust removal action, Many losses occur.

  In order to solve the above problems, the present invention takes the following technical means.

  That is, the invention according to claim 1 is provided with a second processing chamber (2) for processing a second item in the processing chamber (1) for threshing the cereal, and the processing chamber (1) and the second processing chamber ( 2) The sorting chamber (3) provided below 2 is provided with a swing sorting device (4) on the upper side, and the lower side of the swing sorting device (4) from the upper side of the sorting direction with the compressed air tang (5) A pair of upper and lower wind directions which are arranged in the order of the first transfer spiral shaft (6) and the second transfer spiral shaft (7) and adjust the blowing direction of the selected wind on the blow side of the selected wind A guide plate (8, 9) is provided, a sorting wind guide path (10) is formed between the pair of upper and lower wind direction guide plates (8, 9), and the second processing chamber (2) to the sorting chamber (3). Is provided with a sensor (11) for detecting the amount of the processed material on the swing sorting device (4) including the processed material discharged to the base, and based on the amount of the processed material detected by the sensor (11). A threshing apparatus characterized in that it adjusts the inclination angle of the pair of upper and lower wind direction guide plates (8, 9) to automatically change the direction of blowing the selected wind from the selected wind guide path (10). This is a sorting control device.

  The amount of the processed product on the swing sorting device (4) including the processed product discharged from the second processing chamber (2) to the sorting chamber (3) is detected, and the sorting wind blowing out of the sorting wind guide path (10). Since the direction is controlled, the direction in which the entire sorting wind is blown out in layers is adjusted, and sorting can be performed very effectively.

  According to the second aspect of the present invention, as the amount of the processing object detected by the sensor (11) increases with respect to a reference value, the blowing direction of the sorting air is directed toward the lower part of the sorting direction, and the sensor (11) When the detected amount of processed material decreases with respect to the reference value, the upper and lower sides of the processed product are detected based on the amount of processed material detected by the sensor (11) so that the blowing direction of the sorting air is directed toward the portion on the upper side of the selecting direction. 2. The threshing apparatus sorting control apparatus according to claim 1, wherein the inclination angle of the pair of wind direction guide plates (8, 9) is automatically controlled.

  According to the present invention, when the second processed material to be discharged into the sorting chamber (3) is large, the sorting wind is directed toward the lower part and the top side of the first transfer spiral shaft (6) is placed on the shelf tip side in the sorting direction. Therefore, it is possible to promote the dust removal action by guiding the waste to the dust exhaust fan side.

  Conversely, when the amount of processed material is reduced, the sorting wind is directed toward the upper part of the sorting direction, and the sorting wind in the direction of the swinging shelf tip is reduced to suppress scattering outside the machine.

  According to a third aspect of the present invention, the pair of upper and lower wind direction guide plates (8, 9) are separated from the fulcrum shaft (12, 13), which is the center of rotation, from the selected wind guide path (10). 2. The threshing apparatus according to claim 1, wherein the threshing apparatus is arranged at a site so that the fulcrum shafts (12, 13) do not affect the sorting wind passing through the sorting wind guide path (10). It is a control device.

  The present invention eliminates obstacles in the sorting wind guide path (10), and in particular, the fulcrum shafts (12, 13) of the upper and lower wind direction guide plates (8, 9) are not provided in the sorting wind guide path (10). By adopting the configuration, the generation of eddy currents or the like in the sorting wind in the middle of the air path is eliminated.

  According to a fourth aspect of the present invention, the pair of upper and lower wind direction guide plates (8, 9) are connected via a transmission device (15) and a link mechanism (16) from a control motor (14) operated based on a control signal. The control motor (14), the transmission device (15), and the link mechanism (16) are installed in a portion that avoids the transmission device (18) of the right side plate (19) of the threshing device (17). The threshing apparatus sorting control apparatus according to claim 1, wherein the threshing apparatus is a selection control apparatus.

  A control motor (14) and a series of devices related thereto are briefly summarized and installed on the right side plate (19) of a threshing device (17) without a threshing belt or the like to perform stable control.

  According to the first aspect of the present invention, the amount of the processed product on the swing sorting device (4) including the processed product discharged from the second processing chamber (2) to the sorting chamber (3) is detected, and the sorting wind is detected. Since the sorting wind blowing direction of the guide path (10) is controlled, the blowing direction of the entire sorting wind blown out from the compressed wind tang (5) can be changed to increase the sorting accuracy. And the quantity of the processed material on the rocking sorter (4) containing the processed material discharged from the second processing chamber (2) to the sorting chamber (3) is detected, and this second processing chamber (2 ), The processed material discharged from the sorting chamber (3) has undergone a sorting process once, and is a processed material from which bulky impurities such as swarf are removed, and detection errors are unlikely to occur. The accuracy of sorting control can be increased.

  According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, when there is a large amount of the second processed material discharged into the sorting chamber (3), the sorting wind is transferred to the first transfer spiral shaft (6). ) Is sent toward the lower part through the upper part of (), so that the wind selection action above the first transfer spiral shaft (6) is performed well and the waste is guided to the exhaust fan side for a large amount of processing. The dust removal action can be promoted to sort the objects.

  On the other hand, when the amount of processed material decreases, the sorting air is sent toward the upper part of the sorting direction, reducing the sorting air toward the end of the oscillating sorting device and reducing the amount of processed material that is easy to fly. Spattering outside the aircraft can be suppressed.

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 1, the obstruction is eliminated in the sorting wind guide path (10), and in particular, the upper and lower wind direction guide plates (8, 9). By adopting a configuration in which the fulcrum shafts (12, 13) are not provided in the sorting wind guide path (10), there are no obstacles in the middle of the wind path, and no eddy currents are generated in the sorting wind. The effect can be demonstrated.

  And according to invention of Claim 4, in addition to the effect of the invention of said Claim 1, a control motor (14) and a series of apparatus related to this are put together briefly, and transmission of threshing apparatuses, such as a threshing belt, is carried out. By providing on the side where there is no mechanism, it can be installed reliably and stable control can be performed.

Side sectional view of the threshing device showing the operation of the main part Front sectional view of threshing device Flat section of threshing device Side view of action of control motor and wind direction guide plate Plan view of the swing sorting device of the embodiment Top view of front sheave and scraper FIG. 7 is a cut side view of FIG.

  Embodiments of the present invention will be specifically described below with reference to the drawings.

  First, as shown in FIGS. 1 to 3, the threshing device 17 mounted on the combine is provided with a handling chamber 1 with a handling cylinder 21 pivoted on the upper portion, and a second processing chamber 2 on the front side behind the handling chamber 1. A dust removal treatment chamber 22 is provided in the rear of the second treatment chamber 2. Reference numeral 23 denotes a second processing cylinder, and 24 denotes a dust removal processing cylinder.

  And as shown in the drawing, the sorting chamber 3 is disposed below the handling chamber 1, the second processing chamber 2, and the dust removal processing chamber 22, and the sorting chamber 3, the following processing chambers 2, In this configuration, the processed material discharged from the product 22 is subjected to a sorting process. Then, the oscillating sorting device 4 is installed on the upper part of the sorting chamber 3 so as to be able to perform oscillating sorting, so that the transfer plate 26, the fixed front sheave 27, and the leakage degree can be adjusted from the upper side of the sorting direction. The main sheave 28 and the Strollac 29 are arranged and provided at the tip.

  In the case of an Example, the rocking | swiveling sorter 4 forms the hole of the magnitude | size which is a magnitude | size which does not leak shavings and a grain in the front part rather than the lower sorter plate 25, and has the structure which can pass a sorter | winding wind.

  The sorting chamber 3 is provided on the lower side of the swing sorting device 4 in the order of the compressed air tang 5, the first transfer spiral shaft 6, and the second transfer spiral shaft 7 from the upper side in the sorting direction. It has a configuration that can perform a sorting action.

  As shown in FIGS. 1 and 3, the dust exhaust device 30 is constituted by a dust suction fan. In the rear portion of the sorting chamber 3, above the swing sorting device 4, the dust exhaust processing chamber 22 is provided. It is equipped with the side plate on the opposite side and is configured to be transmitted by the transmission belt 31. The dust exhaust device 30 is configured such that the dust suction port 32 faces the dust discharge port of the dust processing chamber 22 and is provided above the side portion of the stroll rack 29 from the rear portion of the main sheave 28.

  Reference numeral 33 denotes a dust outlet, which is configured to be opened to the outside of the rear part of the machine body so that dust can be discharged.

  As shown in FIGS. 1 and 2, the second cerealing device 35 communicates the lower part, which is the conveyance start end, to one side (right side) of the second transfer spiral shaft 7 and extends upward. Thus, the upper part, which is the transfer terminal part, is opened and communicated with the starting end part of the second processing chamber 2, and the second product collected in the sorting chamber 3 is ground and returned.

  Reference numeral 36 denotes a feed chain.

  And as shown in FIG. 3, the transmission apparatus 15 of the threshing apparatus 17 is set as the structure which collects to the side plate 37 side of the left side of a body, and provides a transmission belt and 31,38.

  Next, as shown in FIG. 1 and FIG. 2, the sorting wind guide path 10 has an upper wind direction guide plate 8 at the outlet of the sorting wind between the compressed wind tang 5 and the first transfer spiral shaft 6. A pair of upper and lower wind direction guide plates 9 and the lower wind direction guide plate 9 constitute an air path that guides the selected wind. The upper wind direction guide plate 8 is pivotally attached to a fulcrum shaft 12 mounted on the outer side of the air path on the base side (pressure wind tang 5 side), and the lower wind direction guide plate 9 has a hollow cross section. The fulcrum shaft 13 is attached to the inner space that is formed so as not to obstruct the air passage, and both are connected by a linkage 40 so that they can be integrally rotated. Thus, in the embodiment, both fulcrum shafts 12 and 13 are configured to be pivoted at positions that do not affect the sorting wind that flows out of the sorting wind guide path 10 and flows.

  In this case, the upper wind direction guide plate 8 has a large rotation angle on the lower side (leeward side) because the fulcrum shaft 12 is provided on the upper side, and has a great effect. 41 is bent to the upper side and arranged inside the Karatsu casing 42 so as to be located inside the entire range of movement by control adjustment described later. Therefore, the upper wind direction guide plate 8 can change the direction of the air path without disturbing the sorting wind.

  As described above, the upper wind direction guide plate 8 is plate-shaped, whereas the lower wind direction guide plate 9 is formed in a hollow cross-section so that the outer side is bulged to lower the lower casing. As a configuration in which a parallel air path is formed between the two and 42, a contrivance to eliminate the disturbance of the sorting wind is devised.

  As shown in FIG. 4, the pair of upper and lower wind direction guide plates 8 and 9 configured in this way engages the transmission device 15, that is, the pinion 43 and the semicircular gear 44 from the control motor 14 side, A rod 45 is connected from the semicircular gear 44 to the linkage 40 to constitute the link mechanism 16.

  Therefore, in FIG. 4, when the control motor 14 is driven in the normal rotation direction or the reverse rotation direction based on the control signal, the pair of upper and lower wind direction guide plates 8 and 9 are moved from the pinion 43 to the semicircular gear 44, the rod 45, The fulcrum shafts 12 and 13 are rotated and adjusted in the same direction via the linkage 40. Therefore, the sorting wind guide path 10 changes the angle from the upper side to the lower side with respect to the sorting direction from the base side to the shelf tip of the swing sorting device 4 and can control the flow of the sorting wind. Yes. A potentiometer 44a for detecting the rotational position of the semicircular gear 44 is provided.

  The above-described configuration is equipped with the control motor 14, the transmission device 15, and the link mechanism 16 in a portion where the transmission device 18 of the right side plate 19 of the threshing device 17 is avoided. Therefore, the control motor 14 and a series of devices related thereto can be configured in a compact manner without affecting the transmission device 18 of the threshing device 17.

  Next, as shown in FIGS. 1 to 3, the sensor 11 detects the amount of the processed material on the swing sorting device 4 including the processed material discharged from the second processing chamber 2 to the sorting chamber 3. Therefore, it is provided on the upper side of the swing sorting device 4. That is, as shown in the drawing, the sensor 11 has a configuration in which the flow of the processed material discharged from the second processing chamber 2 is attached along the gathering plate 47 that moves toward the center of the swing sorting device 4. When configured in this way, the sensor 11 can accurately detect the initial amount of processed material that is discharged from the second processing chamber 2 to the sorting chamber 3 side and sent to the center of the swing sorting device 4. Almost no detection error occurs. The sensor 11 is formed in a resin float shape, and the amount of vertical rotation of the sensor 11 is detected by a potentiometer 11a.

  The sorting control mechanism of the threshing device 17 configured as described above is a swing sorting device that uses the processed product discharged from the second processing chamber 2 to the sorting chamber 2 and the processed product leaked from the handling chamber 1 by the sensor 11. When the amount of the processed material on 4 is detected, the selection control is performed while comparing with the reference value stored in advance. In this case, the pair of upper and lower wind direction guide plates 8 and 9 are controlled and adjusted so that the sorting wind guide path 10 is directed to the lower side of the sorting direction as the amount becomes larger compared to the reference value. Then, the pair of upper and lower wind direction guide plates 8 and 9 are controlled and adjusted to an angle at which the sorting wind is sent to the upper side of the sorting direction.

  Then, the pair of upper and lower wind direction guide plates 8 and 9 according to the embodiment are configured to be able to control to maintain the maximum position when the detected value of the processing amount exceeds a preset reference value. This is the same control even when the amount of processed material is the maximum, or conversely, when it is the minimum, and has the feature of preventing hunting by controlling the position.

  Next, the embodiment shown in FIGS. 5 to 7 relates to a sheave scraper 50 that cleans the sheave working surface (upper surface) of the front sheave 27. As shown in FIGS. 6 and 7, the sheave scraper 50 is configured to be fitted on the upper surface of the front sheave 27 and reciprocate left and right to perform the scraper action. In the case of the embodiment, as shown in FIG. 5, the sheave scraper 50 combines the left and right wires 51 and the swing link mechanism 52 to swing the swing link mechanism 52 left and right by operating the wire 51. Then, the upper surface of the front sheave 27 is moved left and right and cleaned by a scraper action.

DESCRIPTION OF SYMBOLS 1 Handling chamber 2 Second processing chamber 3 Sorting chamber 4 Oscillating sorting device 5 Pressure wind tang 6 First transfer spiral shaft 7 Second transfer spiral shaft 8 Wind direction guide plate 9 Wind direction guide plate 10 Sort wind direction guide 11 Sensor 12 Support shaft 13 fulcrum shaft 14 control motor 15 transmission device 16 link mechanism 17 threshing device 18 transmission device 19 body right side plate

Claims (4)

  A sorting chamber (3) provided with a second processing chamber (2) for the second product processing in the handling chamber (1) for threshing the cereal and provided below the processing chamber (1) and the second processing chamber (2). ) Is provided with an oscillating sorting device (4) on the upper side, and on the lower side of the oscillating sorting device (4), from the upper side of the sorting direction, the compressed wind tang (5), the first transfer spiral shaft (6), Provided in the order of the second transfer spiral shaft (7), a pair of upper and lower wind direction guide plates (8, 9) for adjusting the blowing direction of the selected air is provided on the side of the selected air blow of the compressed air (5), A sorting wind guide path (10) is formed between the pair of upper and lower wind direction guide plates (8, 9), and swings including the processed material discharged from the second processing chamber (2) to the sorting chamber (3). A sensor (11) for detecting the amount of processed material on the sorting device (4) is provided, and the pair of upper and lower wind direction guide plates (8) based on the amount of processed material detected by the sensor (11). Sorting controller threshing device being characterized in that the automatically changed to constitute the blowing direction of the sorting air from sorting air guide path by adjusting the inclination angle of 9) (10).   As the amount of the processed object detected by the sensor (11) increases with respect to the reference value, the direction of the sorting air blowing is directed toward the site on the lower side of the selecting direction, and the amount of the processed object detected by the sensor (11) becomes smaller. When the amount is smaller than the reference value, the pair of upper and lower wind direction guide plates (8, 8) is based on the amount of the processing object detected by the sensor (11) so that the blowing direction of the sorting wind is directed toward the site on the upper side of the sorting direction. 9. The screening control device for a threshing apparatus according to claim 1, wherein the inclination angle of 9) is automatically controlled.   The pair of upper and lower wind direction guide plates (8, 9) are arranged with fulcrum shafts (12, 13) serving as the centers of rotation at positions away from the selected wind guide path (10). The sorting control device for a threshing apparatus according to claim 1, characterized in that (12, 13) does not affect the sorting wind passing through the sorting wind guide path (10).   The pair of upper and lower wind direction guide plates (8, 9) is configured to adjust the inclination from a control motor (14) that operates based on a control signal via a transmission device (15) and a link mechanism (16). The motor (14), the transmission device (15), and the link mechanism (16) are provided in a portion where the transmission device (18) of the right side plate (19) of the threshing device (17) is avoided. The screening control device of the threshing device according to 1.

Images