JP2006094770A - Straw discharge and conveying unit of threshing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a straw discharge and conveying unit of a threshing machine, capable of solving such problems that conventional and well-known straw discharge and conveying units have a structure in which conveying mechanisms for tip parts and root parts of straw are driven by a driving sprocket positioned on a transmission shaft supported and built on a position distant from a threshing machine body, and therefore the conventional units require that the transmission shaft is supported by composing a bearing support mechanism extending from the machine body as a separate body, and consequently the conventional units are complicated and increased in number of components and further in their costs. <P>SOLUTION: This straw discharge and conveying unit of the threshing machine is structured so that a straw discharge power transmission case 6 which drives a tip conveying device 5 and a root conveying device 4 is mounted on a straw discharge side of a threshing chamber 1, so as to drive the conveying devices, a base side of a straw discharge transmission shaft 9 which is axially supported on the straw discharge power transmission case 6 drives the tip transfer device 5, and a top side of the transmission shaft 9 inputs rotational power to an intermediate part of the root transfer device 4 through a driving sprocket 10. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a waste transporting device that inherits waste that has been threshed in a handling room from a feed chain and transports it to the outside of the machine.

  Conventionally, in this type of threshing machine, a transmission mechanism has been a major issue. For example, according to Japanese Patent Laid-Open No. 10-52160 (refer to Patent Document 1), the waste transporting device has a simple and many configuration in which the input from the transmission shaft end of the handling cylinder located nearby is simple due to the airframe configuration. However, the transmission mechanism that inputs from the shaft end portion of the handling cylinder that performs the threshing action, if the load on the handling cylinder increases during the threshing operation and the rotation decreases, the squeezing and conveying device rotates sufficiently. It is claimed that there is a problem that the speed cannot be obtained and the bag is clogged and cannot be smoothly conveyed.

  Japanese Laid-Open Patent Publication No. 10-52160 discloses a transmission mechanism of a waste transporting apparatus that is input from a transmission unit other than the handle cylinder shaft, and is apparent from the section of the solution and the description of FIG. Has been.

In this case, the known waste transporting device shown in the gazette is composed of a stock transporting mechanism that clamps and transports the stock side of the waste and a tip locking transport mechanism that locks and transports the head side. The sprocket to be driven is aligned and positioned coaxially on both conveyance end sides, and is configured to transmit. The waste transporting apparatus adopts a configuration in which an input position of the transmission is input from a portion closer to the transmission side than the handling cylinder shaft and is not affected by the load on the handling cylinder.
JP-A-10-52160

  The above-described conventionally known waste transporting device has a structure in which two drive sprockets are provided on a transmission shaft that is supported at a position far away from the machine body of the threshing machine, and the stock transport mechanism and the tip locking transport mechanism are transmitted. Has been taken. In the case of such a transmission configuration, since the transmission shaft is separated from the threshing machine body, it is necessary to separately form a strong bearing support transmission mechanism that is extended from the machine body in a limited and narrow place, and the number of parts is complicated. There is a problem that increases the cost.

  In addition, the waste transporting device is configured so that the position of the starting end and the terminal end of the stock transporting device constituting the waste transporting device and the discharge position (related to the attachment work machine cutter, knotter, dropper) are determined. In addition, it is desirable to have a configuration in which the front and rear can be freely changed, and the conveyance end portion has a problem in that it is easy to be wound and to be easily maintained.

  In order to solve the above-mentioned problem, the invention described in claim 1 is directed to a waste transporting device 3 that transports the waste that has been threshed in the handling chamber 1 from the feed chain 2 to the outside of the machine. An excretion input transmission case comprising a stock transport device 4 for transporting the stock side of waste and a tip transport device 5 for transporting the stock side, and transmitting the tip transport device 5 and the stock transport device 4 6 is installed on the exhaust side of the chamber 1 so that transmission is possible, and a single exhaust transmission shaft 9 transmitted from transmission gears 7 and 8 pivoted on the exhaust input transmission case 6 is exhausted. The waste transporting device 3 is extended to the side of the scissors transport device 3, and the tip transport device 5 is transmitted on the base side of the waste power transmission shaft 9, and the transport intermediate portion of the stock transport device 4 on the tip side thereof. In addition, a threshing machine waste transporting device configured to receive rotational power via the drive sprocket 10, A single rejection transmission shaft supported by a rejection input transmission case installed on the rejection side of the machine is configured to input to both the stock side and the tip side conveying device, and the number of parts is small and extremely simple. Since it is a simple transmission configuration, there is also an advantage of good maintainability.

  In addition, since the stock transport device adopts a structure that transmits power from the drive sprocket provided at the front and rear intermediate positions, the position of the transport start end and end can be freely selected and changed according to the inheritance and discharge position of the waste As a matter of course, the cleaning can be performed freely when the bag is wound.

  Next, in the invention described in claim 2, the stock transportation device 4 supports the roller 11 on the conveyance start end side with a front support rod 13 provided with an automatic tension 12, and rotates the roller on the conveyance end portion side. The threshing machine waste transporting apparatus according to claim 1, wherein the wheel 14 is supported by a rear support bar 16 attached with a detachable locking tool 15, and is configured to convey by providing an automatic tension at the starting end. The position of the end portion can be adjusted freely, and attachment / detachment of an extension set or the like described later is extremely easy.

  Next, in the invention described in claim 3, in the stock transporting device 4, the front support rod 13 is connected and supported so as to be movable upward with the drive sprocket 10 side as a rotation fulcrum. The eaves 13 and the rear support eaves 16 are arranged in a straight line in plan view, or shifted left and right, but at least the drive sprocket 10 and the two front and rear wheels 11 and 14 are on the same straight line in plan view. 3. A threshing machine waste transporting device according to claim 1 or 2, wherein the device is configured so as to be able to easily perform maintenance such as cleaning, while being properly transmitted and discharged. Has the effect of discharging the firewood out of the machine.

  First, the invention described in claim 1 is a transfer device on both the stock side and the tip side by a single reject transmission shaft supported by a reject input transmission case installed on the reject side of the handling chamber. Since the driving unit is firmly supported by using the side wall of the machine body as a direct support member, the number of parts is small, and the transmission structure is extremely simple, there is an excellent feature that the maintainability can be improved.

  Furthermore, since the stock transporting apparatus according to the present invention employs a transmission configuration that inputs from the drive sprocket provided at the front and rear intermediate positions, the positions of the transport start end and the terminal end depend on the position of the inheritance and discharge of the waste. In addition to the features that can be freely selected and changed, there is an effect that it is possible to freely clean the both ends where the wrapping frequency is high.

  The invention described in claim 2 has the effect of claim 1, but by providing an automatic tension at the start end, the position of the transfer end can be freely adjusted, and an extension set or the like described later can be used. There is a feature that it is very easy to put on and take off.

  The invention described in claim 3 is capable of easily performing maintenance such as cleaning while having the effect of claim 1, and is appropriately transmitted and rejected. Can be discharged to the outside of the machine.

Embodiments of the present invention will be specifically described below with reference to the drawings.
First, according to the embodiment of the present invention, the waste transporting device 3 that transports the rice cake that has been grain-removed and removed in the handling chamber 1 as waste from the end portion of the feed chain 2 and transported to the outside of the machine. It consists of a stock transporter 4 that transports the stock side of the salmon and a tip transport device 5 that transports the head side. And the rejection input transmission case 6 which transmits this tip conveyance device 5 and the stock transport device 4 is configured to be capable of transmission by being disposed on the rejection side of the handling chamber 1, and transmission gears 7 and 8 are arranged. A single evacuation transmission shaft 9 that is transmitted via is extended to the evacuation transport device 3 side. In the waste transporting device 3, the tip transport device 5 is transmitted on the base side of the waste transmission shaft 9, and rotational power is supplied to the transport intermediate portion of the stock transport device 4 on the tip side via the drive sprocket 10. In short, a simple transmission device that transmits both the tip and the stock transfer device by a single reject transmission shaft 9 is configured with a small number of parts. It is.

  As described further below, the combine 20 has a threshing machine 24 mounted on the vehicle body 22 equipped with the crawler 21 with the cereal supply port 23 in the front, as shown in FIGS. The pre-processing device 25 is configured to be vertically moved up and down freely by a lifting hydraulic cylinder 26. As shown in FIGS. 14 and 15, the threshing machine 24 is provided with a handling chamber 1 in which a handling cylinder 27 is pivotally mounted on the upper part, and the tip part of the cereal with the stock chain sandwiched between the feed chains 2. It is set as the structure which threshs, inserting the side into the handling chamber 1 and conveying. As shown in FIG. 15, the threshing machine 24 is provided with a sorting chamber 28 below the handling chamber 1. The wind tang 30, the first transfer helix 31, and the second transfer helix 32 are axially mounted in order, and the processed material after threshing is selected by the swinging action and the wind selection action.

  Then, as shown in FIG. 14, the waste transporting device 3 inherits from the terminal portion of the feed chain 2, the grain from which the grain has been threshed in the handling chamber 1 as a waste, and the rear machine (Example) In this case, it is composed of a stock transport device 4 that transports the stock side of the waste and a tip transport device 5 that transports the stock side. And in the case of an Example, as shown in FIG. 13, one stock origin conveying apparatus 4 is set as the structure which clamps and conveys the stock company of a waste by the waste chain 4a and the waste clamping pin 4b, As shown in FIG. 12, the other tip transport device 5 is configured to engage and transport the tip portion with a waste lug 5a (a chain with a transport lug).

Hereinafter, the waste transporting apparatus 3 according to the embodiment of the present invention will be described.
First, as shown in FIG. 2 and FIG. 16, the support frame 35 is fixed to the waste side of the threshing machine 24, but one side 35 a is fixed to the rear plate 36 of the threshing machine 24, and the other side 35 b. Are connected to the machine frame 37 so as to be U-shaped in a side view and horizontally mounted. The support frame 35 fulfills the lower limit stopper function provided on the discharge side of the handling cylinder cover 38 that is freely opened and closed upward when the handling chamber 1 is cleaned and maintained. 39 is received and supported.

  As shown in FIGS. 1 to 3, the rejection input transmission case 6 is supported by a series of mounting members 40 provided on the base side of the rotation support frame 39. A mechanism that is transmitted from the shaft end of the shaft 41 via the drive sprocket 42, the input chain 43, and the input sprocket 44, and the tension power is transmitted to the input sprocket 44 by tensioning the chain by the tension mechanism 45. 7 is input. As shown in FIG. 3, the input sprocket 44 is mounted at an upper position higher than the handling cylinder shaft 41, and the case 6 is naturally provided at a higher position. In the case of the above-described embodiment, the exclusion input transmission case 6 is moved upward during cleaning and maintenance in a range where the tension mechanism 45 is opened (the tension mechanism 45 of the input chain 43 is removed and the chain is moved upward). However, in the case where the exhaust cylinder is pivoted upward together with the barrel cover 38, the input chain 43 can be removed.

  Next, as shown in FIG. 1, the waste transmission shaft 9 is supported by being pivoted on the waste input transmission case 6 and extended to the waste transporting device 3 side to the base side to the waste lug 5a. The drive sprocket 10 that drives the exhaust chain 4a is attached to the front end side of the sprocket 47 that transmits the shaft. In this case, as shown in FIGS. 1 and 2, the waste transmission shaft 9 is decelerated in the process of passing through the transmission gear 8 from the transmission gear 7 and is transmitted by the sprocket 47 to the conveyance start end of the waste lug 5a. It inputs to a part, and it is set as the structure input into the conveyance intermediate part of the rejection chain 4a with the drive sprocket 10. FIG.

  Therefore, the transmission configuration of the embodiment employs a mechanism that appropriately and naturally reduces the rotational speed until it reaches the rejection transmission shaft 9 from the handling cylinder shaft 41, and provides an accurate rejection speed with a compact configuration. There are features that can be obtained.

  In this way, as shown in FIG. 12, the waste transporting device 3 has a waste lug 5a that is driven by being input to the sprocket 47 at the transport start end, and a transport start end as shown in FIG. 11, the end portion is received by the roller 14 and wound, and the waste chain 4 a input by the drive sprocket 10 pivoted at the intermediate conveyance position is connected to the tip side and the stock side 2 and FIG. 14, the frame structure is integrally formed, and as shown in FIG. 2 and FIG. More specifically, as shown in FIG. 2, the waste transporting device 3 includes a stock transport device 4 and a tip transport device 5, and a transmission cylinder in which the waste power transmission shaft 9 described above is pivotally mounted. 55 (refer to FIG. 1) and a connection rod 56 on the conveyance end side are firmly connected at two locations. The rear connecting rod 56 is connected to the waste open fulcrum shaft 58 via a rotating arm 57 as shown in FIG.

Therefore, the waste transporting device 3 is connected to the front part and the rear part at two locations, and thus has a characteristic of a strong framework configuration.
As shown in FIG. 2, the rejection chain 4a has a structure in which no transmission mechanism is provided on the left and right sides of the roller 11 at the conveyance start end portion and in the vicinity of the periphery, so that there is no obstruction, and the start end portion is greatly threshed. It is possible to approach the handling chamber 1 side of the machine 24, and it is possible to take a configuration in which the machine 24 is superposed up to a position above the feed chain 2. Therefore, in the embodiment, the front and rear structure of the combine 20 as a whole is shortened to be a compact structure. Further, the waste chain 4a properly inherits the stock of the waste chain from the feed chain 2 and the waste holding pin 4b. There is also a feature that the conveyance can be started by pinching.

  Then, as shown in FIG. 4 to FIG. 7, the stock transporter 4 is provided with a roller 11 mounted on a front support rod 13 equipped with an automatic tension 12 on the transport start end side and wound. The waste chain 4a is provided so as to be able to be tensioned, and a rolling wheel 14 having a fixed position is attached to the rear support rod 16 with a locking tool 15 (bolt) on the conveyance end side. The rear support rod 16 is provided with a long hole 48 so that the position of the wheel 14 can be adjusted.

  As described above, since the stock transport device 4 is configured to have the automatic tension 12 provided on the transport start end side to perform chain tensioning, the position can be adjusted on the transport end side as described above. There are no advantages. 4 and 5 is a standard type, and the configurations shown in FIGS. 6 and 7 show a special type of configuration in which the transport distance is extended. ing. This is selectively used when the discharge position is changed in response to the change of the waste disposal apparatus connected to the rear part.

  Next, as shown in FIGS. 8 to 11, the stock transporter 4 is provided with rails (support rods for supporting the front and rear rolling wheels 11 and 14 including the front support rod 13 and the rear support rod 16 in the embodiment). 50) is divided into a front end side rail 50a before the drive sprocket 10 and a rear end side rail 50b after that, and the start end side rail 50a can be raised from the fulcrum P. It is structured into a mold.

  As described above, in the stock transporting device 4, the starting end side rail 50a (front support rod 13) can move up with the drive sprocket 10 side as the rotation fulcrum P as shown in FIGS. It has a configuration. As shown in FIGS. 9 and 11, the rail 50 has a start end side rail 50a and a terminal end side rail 50b that are straight in a plan view as shown in FIG. As shown in the figure, they are shifted from side to side, but at least the drive sprocket 10 and the two front and rear wheels 11, 14 are arranged on the same straight line in a plan view.

Next, an embodiment of the tip conveying device 5 will be described with reference to FIGS. 17 to 20.
First, since the tip conveying device 5 is configured to be transmitted by providing a driving sprocket 47 at the conveying start end portion of the drainage lug 5a (chain with a conveying lug) already described, the conveying start end portion is further arranged on the threshing machine 24 side. It is difficult to make it close to the surface, and the waste removal performance at the start end is insufficient.

  Accordingly, as shown in FIGS. 18 and 19, the waste lug 5 a according to the embodiment is configured such that the drive sprocket 47, the front end sprocket 60 before it, and the end sprocket 61 after it are arranged on both sides. The support plates 62, 62 are arranged in a triangular shape in a side view and pivoted, and the chain portion is wound around each of the sprockets 47, 60, 61 so that transmission is possible. In this case, as shown in FIG. 17, the tip conveying device 5 has a configuration in which the start end sprocket 60 is moved closer to the handling chamber 1 side and is lowered downward (see FIG. 19) with reference to the drive sprocket 47. It is said. As shown in FIGS. 19 and 20, the drainage lug 5a is formed so that the entire surface of the lower guide plate 63 is inclined in accordance with the movement path of the lug, and is lowered forward, and further along the passage path. Accordingly, the lug passage groove 64 is formed. 65 is a tension device.

  As shown in FIG. 17, the waste lug 5 a configured as described above is driven by being transmitted from the sprocket 47, rises at a low position of the start end sprocket 60, engages the tip of the waste, and is conveyed. At that time, as soon as the waste is discharged from the handling chamber 1 to the outside of the machine, the waste is locked and reliably taken in. Therefore, the waste is immediately held by the stock chain 4a after the stock side is locked to the waste chain 4b, and the waste lug 5a is moved into the lug passage groove 64 while the conveyance is started. Can be carried out while being securely locked on the tip side and discharged out of the machine.

  Thus, in the above embodiment, the waste lug 5a is formed by extending the tip side of the waste scalloped forward and downward, and the practical side effect of being able to take in the tip side of the squirt discharged from the handling chamber 1 and squeeze it well and transport it backward. There is.

  As described above, in each of the embodiments according to the present invention, the configuration described in claim 1 is a single rejection transmission supported by a rejection input transmission case 6 installed on the rejection side of the handling chamber 1. The shaft 9 is configured to input to both the stocker side and the tip side conveying devices 4 and 5, and it is firmly and stably supported with a small number of parts, and is an extremely simple transmission configuration, so maintenance is also possible. It can be done well.

  Furthermore, since the stock transport device 3 of the embodiment employs a transmission configuration that is input from the drive sprocket 10 provided at the front and rear intermediate positions, the positions of both the transport start end portion and the end end portion are inherited and discharged. In addition to the features that can be freely selected and changed according to the position of the head, it is possible to easily and freely clean both ends where the heel is frequently wound.

  The embodiment of claim 2 provides the functions and effects of the above-described configuration, but by providing the automatic tension 12 at the start end, the position of the transfer end can be freely adjusted, which will be described later. It is very easy to attach and remove extension sets.

  In addition, the embodiment of claim 3 can of course exhibit the function and effect of the structure of claim 1 above, but in addition to that, it can easily perform maintenance such as cleaning. However, the waste can be discharged out of the machine with proper transmission.

A plan view of a part of the rejection transmission mechanism Top view of the waste transporting device Rear view of rear plate side of threshing machine Side view of standard type exhaust chain Top view of standard type waste chain Side view of special type of waste chain Top view of special type of waste chain Side view Top view of the exclusion chain Side view of the operation of the exclusion chain Top view of another configuration Side view of the operation of the drainage lug Side view of the exclusion chain and the exclusion clamp Top view of the combine showing part of the interior Side view of combine showing inside for threshing machine Side view of the support frame provided in the evacuation section Plan view Plan view Side view Cross section

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Handling chamber 2 Feed chain 3 Exhaust conveying apparatus 4 Stock source conveying apparatus 4a Exhaust chain 4b Exhaust clamping pin 5 Tip transfer apparatus 5a Exhaust lug 6 Exhaust input transmission case 7, 8 Transmission gear 9 Exhaust transmission shaft 10 Drive sprocket 11 Roller wheel (starting end) 12 Automatic tension 13 Front support rod 14 Roller wheel (terminal end)
15 Locking tool 16 Rear support rod

Claims (3)

  The stock removal transport device 3 that transports the waste that has been threshed in the handling chamber 1 from the feed chain 2 to the outside of the machine, the stock transport device 4 that transports the stock side of the waste, and the tip that transports the tip side A displacing input transmission case 6 configured to include the transfer device 5 and transmitting the tip transfer device 5 and the stock transport device 4 on the evacuation side of the handling chamber 1 so as to be capable of transmission; A single rejection transmission shaft 9 transmitted from transmission gears 7 and 8 pivoted on the rejection input transmission case 6 is provided extending to the rejection transport device 3 side. The tip transport device 5 is transmitted on the base side of the transmission shaft 9, and the threshing machine is configured so that rotational power is input via the drive sprocket 10 to the transport intermediate portion of the stock transport device 4 on the tip side.藁 Conveyor device.   The stock transportation device 4 supports the roller 11 on the conveyance start end side with a front support rod 13 equipped with an automatic tension 12 and attaches the wheel 14 on the conveyance end portion side with a detachable locking tool 15. The threshing machine waste transporting device according to claim 1, which is configured to be supported by a rear support rod 16.   In the stock transporter 4, the front support bar 13 is connected to and supported by the drive sprocket 10 side as a pivot, and the front support bar 13 and the rear support bar 16 are flat. The first and second driving sprockets 10 and the two front and rear wheels 11 and 14 are arranged on the same straight line when seen in a plan view. The rejection conveying apparatus of the threshing machine as described.

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