JP2009219443A - Whole culm-charging type thresher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily avoid deterioration of flow of treated materials and plugging of the treated materials in a whole culm-charging type thresher including a threshing cylinder having plural supporting plates making a row in back and forth of the threshing cylinder and a plurality of supportin plates facing back and forth of the threshing cylinder by making a row in the circumferential direction of the threshing cylinder and supported by the plural supporting plates. <P>SOLUTION: This thresher is provided by arranging culm-cutting blades 50 so as to act for cutting by a cooperation with threshing teeth 19 positioning in the vicinity of the supporting plate 16 forward from the front end side of the threshing drum than the front side supporting plate 16 positioning forward from the threshing drum than the end-supporting plate positioning at the rear most end side of the threshing drum among the plurality of supporting plates. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention includes a plurality of support plates arranged in the front-rear direction of the threshing cylinder, a plurality of cross-members facing the front and rear of the threshing cylinder, supported by the plurality of support plates, and the plurality of bars. The present invention relates to a full-throwing-type threshing machine in which a threshing handling cylinder having a bar-shaped tooth supported by a member is provided so as to be driven to rotate.

The above-described threshing machine can perform threshing treatment while suppressing the increase in load by allowing the sawdust to enter the threshing cylinder from between the crosspiece members even if the supply amount of the threshing product is large. Is.
As this type of threshing machine, there has conventionally been one described in Patent Document 1, for example.
Patent Document 1 describes a threshing device mounted on a whole-pile-type combine. The barrel provided in the threshing device includes a first support plate, a second support plate, and a third support plate provided on a support shaft, and is supported by the first support plate, the second support plate, and the third support plate. And six round pipe members (corresponding to crosspiece members) and tooth handling supported by each round pipe member.

JP 2007-20450 (paragraphs [0042], [0043], [0058], [0059], FIG. 2-5)

  In this type of threshing machine, cereal grains and swarf are caught in the part where the support plate and the crosspiece member are connected, and the retained matter is easily generated. As a result, the flow of the processed product becomes poor and clogging is likely to occur.

  An object of the present invention is to provide a full-throw-in type threshing machine that can easily avoid the above-described deterioration of the flow of processed material and clogging of processed material.

The first invention includes a plurality of support plates arranged in the front-rear direction of the threshing barrel, a plurality of cross members facing the front and rear of the threshing barrel arranged in the circumferential direction of the threshing barrel, and the plurality In a full throwing type threshing machine equipped with a threshing handling cylinder having a bar-shaped tooth-supporting tooth supported by the crosspiece member of the threshing drive,
The front cutting plate is disposed on the front end side of the threshing barrel more than the front support plate positioned on the front end side of the threshing barrel relative to the end support plate positioned closest to the rear end side of the threshing barrel among the plurality of support plates. It arrange | positions so that a cutting action may be carried out by cooperation with the tooth-handling located near the support plate of this.

According to the configuration of the first aspect of the present invention, when swarf or the like is caught in a portion where the front support plate and the crosspiece member are connected to each other and stagnant material is likely to be generated, it is easily cut and flowed by the chopping blade. . This effectively prevents clogging in the handling room.
That is, the accumulated matter generated at the site where the front support plate is located is likely to be relatively long sawdust and becomes bulky. When the bulky stay is not generated, clogging is difficult to occur.

  Therefore, it is possible to obtain a full-throwing-type threshing machine that is equipped with a threshing handling cylinder having a support plate and a crosspiece member and that can efficiently flow a processed product and efficiently thresh.

  In the second aspect of the invention, the plurality of the chopping blades are arranged in the front-rear direction of the threshing cylinder so as to correspond to the plurality of teeth that are arranged in the front-rear direction of the threshing cylinder near the front support plate. It is provided.

  According to the structure of this 2nd invention, it can cut | disconnect more effectively, for example, a chopping blade can be made to act in the wide range near the threshing barrel front end side of the front side support plate, and swarf can be shredded more.

  Therefore, the threshing operation can be efficiently performed by cutting the swarf more effectively and avoiding the deterioration and clogging of the processed material flow more effectively.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a vertical side view of a full throwing type threshing machine equipped with a threshing barrel according to an embodiment of the present invention. FIG. 2 is a front view of a full throwing type threshing machine equipped with a threshing barrel according to an embodiment of the present invention. As shown in these drawings, the whole throwing type threshing machine includes a handling chamber 2 provided in the upper part of the threshing machine body 1 and a threshing handling cylinder 10 according to the embodiment of the present invention provided in the handling room 2. The threshing section A has a sorting section B having a sorting chamber 3 provided at the lower part of the machine body of the threshing machine body 1.

  This all-throw-in type threshing machine is mounted on a self-propelled machine (not shown) and constitutes a combine for harvesting rice, wheat and the like.

  The threshing section A includes the handling chamber 2 and the threshing handling cylinder 10, and a receiving net 4 provided along the front-rear direction and the circumferential direction of the threshing handling cylinder 10 at the lower portion of the handling chamber 2. The threshing machine body 1 is provided with a dust feed valve 5 provided on the inner surface side of the top plate portion 1 a in the front-rear direction of the threshing barrel 10.

  That is, the threshing unit A transmits the driving force from the engine (not shown) provided in the self-propelled machine body to the rotating spindle 11 of the threshing barrel 10 by the transmission mechanism 6 using a transmission belt, and the threshing barrel. 10 is driven to rotate in the rotational direction F shown in FIG. 2 around the rotational axis P of the threshing machine in the front-rear direction, and the feeder conveyor 7 removes the harvested cereal from the input port 8 in the handling chamber 2. In the front part, the whole body from the root of the harvested cereal meal to the tip is introduced.

  The threshing unit A feeds the harvested cereal mash introduced into the front portion of the handling chamber 2 into the rear side of the threshing barrel 10 by the scraping barrel portion 12 located at the front end of the threshing barrel 10, and threshing The threshing barrel 10 and the receiving net 4 are transferred while the harvested cereal rice cake that has flowed into the rear side of the barrel 10 is transferred to the rear side of the chamber by the swirling flow by the threshing barrel 10 and the guiding action by the dust feeding valve 5. Threshing is performed by the handling action. The threshing grains generated by the threshing process are dropped from the mesh of the receiving net 4. Dust such as threshing waste straw generated by the threshing process is dropped from the dust feed port 13 located at the rear end of the handling chamber 2 to the discharge port 9 of the threshing machine body 1 and discharged from the discharge port 9 to the outside of the machine body.

  The receiving net 4 is provided with a plurality of round bars arranged along the circumferential direction of the threshing cylinder 10 in the front-rear direction of the threshing cylinder 10, and a plurality of lattices made of strips along the front-rear direction of the threshing cylinder 10. Are arranged side by side in the circumferential direction of the threshing barrel, and a horizontal grid is formed.

  In addition to the sorting chamber 3, the sorting section B includes a swing sorting device 20 provided on the upper portion of the sorting chamber 3 so as to be driven and swingable, and can be driven and rotated below a front end portion of the swing sorting device 20. And a first screw conveyor 22 and a second screw conveyor 23 provided side by side in the longitudinal direction of the threshing machine body.

  The sorting unit B receives the threshing processed product dropped from the receiving net 4 by the swing sorting device 20, and the coarse sorting Glen pan 24, the chaff sheave 25, the Strolac 26, the fine sorting Glen pan 27, and the Glen sieve 28 included in the swing sorting device 20. Is sorted into grains and dust by swinging and sorting by and the sorting wind supplied by the Karatsu 21 toward the rear of the threshing machine. The first processed product of the selected grains is dropped onto the first screw conveyor 22 and is carried out of the machine body by the first screw conveyor 22. The second processed product of the selected grains is dropped on the second screw conveyor 23, and is oscillated and sorted by the second screw conveyor 23 and a reduction device (not shown) connected to the second screw conveyor 23. Return to the beginning of the device 20. The sorted dust is transferred to the discharge port 9 and discharged out of the machine body together with the sorting wind.

  FIG. 3 is a side view of a front end side portion of the threshing barrel 10. FIG. 4 is a side view of the rear end portion of the threshing barrel 10. As shown in FIG. 2 and FIG. 2, the threshing barrel 10 includes the rotating support shaft 11 and the scraping barrel 12, and further on the rear side of the threshing barrel than the scraping barrel 12. And a threshing processing unit 14 provided.

  The scraping body 12 includes a drum 12a that is rotatably supported by the rotary support shaft 11, and a scraping tooth 12b that is formed of two spiral plates that are integrally rotatable on the outer peripheral surface of the drum 12a. It has.

  The threshing processing unit 14 is arranged with three support plates 15, 16, and 17 that are arranged on the rotary support shaft 11 in the front-rear direction of the threshing cylinder and supported so as to be rotatable integrally with each other at an equal interval in the circumferential direction of the threshing cylinder. Six cross members 18 facing the front and rear of the threshing cylinders supported by the three support plates 15, 16, 17 in a side-by-side arrangement, and the handles supported by the six cross members 18 side by side in front of and behind the threshing cylinders. The tooth 19 is provided.

  Each said crosspiece member 18 is comprised with the circular steel pipe material. Each of the teeth 19 is formed in a bar shape by a round bar extending from the bar member 18 to the outside of the threshing barrel. Each said tooth handling 19 is the arrangement | positioning in which the tooth handling 19 as the whole threshing barrel is located in a spiral form.

  In other words, the threshing barrel 10 feeds the harvested cereal mash introduced into the front end portion of the handling chamber 2 from the insertion port 8 to the threshing processing unit 14 by the two scraping teeth 12b, and the threshing processing unit 14 is threshed by the action of the tooth handling 19 and the receiving net 4. At this time, the threshing barrel 10 causes the sawdust to swirl and flow with the teeth 19 and is transferred toward the dust feed port 13 by the swirling flow and the flow guide by the dust feed valve 5. The threshing handling cylinder 10 suppresses an increase in the threshing load by causing the sawdust to enter the threshing handling cylinder from between the crosspiece members 18 as the amount of cereals increases.

  Each tooth 19 includes an extended tooth portion 19 b that protrudes from the crosspiece member 18 to the inside of the threshing barrel. In other words, the threshing processing unit 14 performs threshing and loosening processing on the cereals and sawdust that have entered the threshing barrel 10 by the striking and rolling action of the extension teeth 19b.

  The threshing barrel 10 includes posture changing means 30 provided on both ends of each of the six crosspieces 18.

  Hereinafter, the end support plate 15 located closest to the front end side of the threshing barrel among the three support plates 15, 16, and 17 is referred to as a front end support plate 15. Of the three support plates 15, 16, and 17, the end support plate 17 positioned closest to the rear end side of the threshing barrel is referred to as a rear end support plate 17. Of the three support plates 15, 16, 17, the support plate 16 positioned on the front end side of the threshing barrel relative to the rear end support plate 17 will be referred to as an inner support plate 16. The front end support plate 15 and the rear plate of the drum 12a are the same plate.

  As shown in FIGS. 5, 6, and 7, the posture changing means 30 includes a connection plate 31 fixed to the front end portion or the rear end portion of the crosspiece member 18, and a pair of first plates provided on the connection plate 31. A pair of bolt holes 32, 32, a pair of second bolt holes 33, 33, and a third bolt hole 34, and a pair of the connection plate 31 are fastened and connected to the front end support plate 15 or the rear end support plate 17. The connecting bolts 35 and 35 are provided.

  FIG. 5 is a front view of the posture changing means 30 in the backward mounting adjustment state. As shown in this figure, when the pair of connecting bolts 35, 35 are attached to the second bolt hole 33 and the bolt hole 36 of the front end support plate 15 or the rear end support plate 17, the posture changing means 30 moves backward. The installation is adjusted. Then, the posture changing means 30 changes the attachment angle of the crosspiece member 18 with respect to the front end support plate 15 and the rear end support plate 17 around the axis 18a of the crosspiece member 18, thereby switching the tooth handling 19 to the backward attachment posture. Thus, the tooth handling 19 is provided with a receding angle θ.

  FIG. 6 is a front view of the posture changing means 30 in the extension adjustment and retreat cancellation adjustment states. As shown in this figure, when the pair of connecting bolts 35, 35 are attached to the first bolt hole 32 and the bolt hole 36 of the front end support plate 15 or the rear end support plate 17, the posture changing means 30 is It will be in the extension adjustment and reverse elimination adjustment state. Then, the posture changing means 30 changes the attachment position of the crosspiece member 18 to the front end support plate 15 and the rear end support plate 17 to the outside of the threshing barrel, and the front end support plate 15 and the rear end support plate 17 of the crosspiece member 18. The mounting angle with respect to the crosspiece 18 is changed around the axis 18a of the crosspiece member 18, whereby the handle 19 is switched to the non-retracted mounting posture in the extended state, and the rotation axis P of the threshing barrel 10 at the tip 19a of the handle 19 is changed. Is set to a large distance L1 and the receding angle of the tooth handling 19 is eliminated.

  FIG. 7 is a front view of the posture changing means 30 in a shortening adjustment and a retreat cancellation adjustment state. As shown in this figure, when the pair of connecting bolts 35 and 35 are attached to one second bolt hole 33 or the third bolt hole 34 and the bolt hole 37 of the front end support plate 15 or the rear end support plate 17. The posture changing means 30 enters a shortening adjustment and a retreat cancellation adjustment state. Then, the posture changing means 30 changes the attachment position of the crosspiece member 18 to the front end support plate 15 and the rear end support plate 17 to the inside of the threshing barrel, and the front end support plate 15 and the rear end support plate 17 of the crosspiece member 18. The mounting angle with respect to the crosspiece 18 is changed around the axis 18a of the crosspiece member 18 so that the tooth handling 19 is switched to the non-retreating mounting posture in the shortened state, and the rotational axis P of the threshing barrel 10 at the tip 19a of the tooth 19 Is set to a small distance L2 and the receding angle of the tooth handling 19 is eliminated.

  FIG. 8 is a front view of the crosspiece member support structure of the inner support plate 16. As shown in this figure, the inner support plate 16 rotatably supports the crosspiece member 18 by a notch recess 42 provided in a locking member 41 connected to one side surface of the inner support plate 16 by a connecting bolt 40. The attachment angle change of the crosspiece member 18 by the posture changing means 30 is allowed.

  The inner support plate 16 changes the attachment position of the locking member 41 in the threshing barrel inside / outside direction by the action of the long hole of the bolt hole 43 provided in the locking member 41, thereby the crosspiece member 18 by the posture changing means 30. It is possible to change the mounting position.

The threshing barrel is in various states in the threshing processing form by operating the posture means 30.
That is, as shown in FIG. 9, by operating the posture changing means 30 of all the crosspiece members 18 to the extension adjustment and retreat cancellation adjustment states, all the teeth 19 are in the non-retraction attachment posture in the extension state. The threshing barrel 10 has no receding angle of all the teeth 19 and makes it easy to lock all the teeth 19 to the pestle, and with the receiving net 4 of the tip 19a of all the teeth 19 The threshing process is performed in a state where the interval becomes small and it is difficult to leave a processed product on the receiving net 4.

  As shown in FIG. 10, by operating the posture changing means 30 of all the crosspiece members 18 to the shortening adjustment and the retreat canceling adjustment states, all the teeth handling teeth 19 become the non-retreating attachment postures in the shortened state, and threshing The handling cylinder 10 is in a state in which there is no receding angle of all the teeth 19 and makes it easy to lock all the teeth 19 to the pestle, and the interval between the tips 19a of all the teeth 19 and the receiving net 4 is small. Threshing is performed in a state where the flow of the processed material on the receiving network is facilitated.

  As shown in FIG. 11, by operating the posture changing means 30 of all the crosspiece members 18 in the backward mounting adjustment state, all the tooth handling teeth 19 are in the backward mounting posture, and the threshing barrel 10 Threshing is performed in a state in which the teeth 19 have a receding angle θ and are less likely to cause entanglement of cereals with respect to all the teeth 19.

  As shown in FIG. 12, by operating the posture changing means 30 of some of the crosspiece members 18 to the retreat canceling adjustment state and operating the posture changing means 30 of some of the crosspiece members 18 to the reverse attachment adjusting state. Some of the tooth handling teeth 19 are in the non-retreating mounting posture, some of the tooth handling teeth 19 are in the backward mounting posture, and the threshing barrel 10 does not have the retreating angle of some of the tooth handling teeth 19 and some of the handling. Threshing is performed in a state in which the teeth 19 are easily locked to the cereal, and a part of the tooth handling 19 is provided with a receding angle θ so that the entanglement of the cereal to the part of the tooth handling 19 is less likely to occur. .

  As shown in FIGS. 2 and 3, the threshing portion A includes a chopping blade 50 provided in the upper part of the handling chamber 2 in the front-rear direction of the threshing barrel.

The plurality of chopping blades 50 are arranged in the longitudinal direction of the threshing cylinder and supported by the machine frame 51 near the inner support plate 16 on the front end side of the threshing cylinder relative to the inner support plate 16.
That is, the plurality of chopping blades 50 respectively correspond to a plurality of teeth 19 that are arranged near the front side of the threshing barrel of the inner support plate 16 in the front-rear direction of threshing, and the sawdust is the inner support plate. Even if it is received by 16 and stays in the vicinity of the front of the inner support plate 16, this sawdust is cut by the cooperation with the corresponding teeth 19 so as to easily flow to the rear side of the chamber.

FIG. 13 is a front view of posture changing means 60 having another implementation structure. As shown in this figure, the posture changing means 60 includes a positioning screw 61 attached to the tooth handling 19 in an arrangement with the crosspiece member 18 interposed therebetween.
The posture changing means 60 rotates the positioning screw 61 and moves the tooth handling 19 in the threshing barrel inside / outside with respect to the crosspiece member 18, thereby threshing the barrel 19 at the tooth tip 19 a. The posture is changed between an extended attachment posture in which the distance L from the rotation axis is large and a shortened attachment posture in which the distance L from the threshing barrel rotation axis of the tooth handling tip 19a is small.

  According to this posture changing means 60, in each crosspiece member 18, the distance L from the threshing barrel rotating shaft center of the tip 19 a of some of the teeth 19 is increased, and the threshing of the tip 19 a of some of the teeth 19 is handled. It is possible to adjust the tooth handling to reduce the distance L from the trunk rotation axis.

FIG. 14 is an overall side view of the threshing barrel 10 having another implementation structure. As shown in this figure, in this threshing cylinder 10, the radius R1 in the pretreatment part 14a located in the threshing cylinder front end side of the threshing part 14 is the threshing part after the threshing cylinder. It is larger than the radius R2 in the post-processing unit 14b located on the end side.
The radius R1 of the pretreatment portion 14a is a distance from the threshing barrel rotation axis P to the outer end of the crosspiece member 18. The radius R2 of the post-processing unit 14b is a distance from the threshing barrel rotating shaft P to the outer end of the crosspiece member 18.

  The plurality of teeth 19 provided on each crosspiece 18 of the pretreatment section 14a has a large tooth pitch Pf on the front end side of the threshing barrel and a small tooth pitch Pr on the rear end side of the threshing cylinder. They are lined up in the longitudinal direction of the threshing machine.

Longitudinal side view of full throwing type thresher Front view of all throwing type thresher Side view of the front end side portion of the threshing barrel Side view of rear end side portion of threshing barrel Front view of the posture change means in the reverse mounting adjustment state Front view of the posture change means in the extension adjustment and reverse release adjustment states Front view of the posture changing means with shortening adjustment and reverse cancellation adjustment state Front view of cross member support structure of inner support plate Front view of threshing barrel Front view of threshing barrel Front view of threshing barrel Front view of threshing barrel Front view of posture changing means of another embodiment Overall side view of a threshing barrel with another implementation structure

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Threshing handling cylinder 17 End support plate 16 Front support plate 18 Crosspiece member 19 Handling tooth 50 Hull cutting blade

Claims (2)

A plurality of support plates arranged in the front-rear direction of the threshing barrel, a plurality of cross members facing the front and rear of the threshing barrel, supported by the plurality of support plates, and supported by the plurality of cross members. A full-throwing type threshing machine equipped with a threshing handling cylinder having a bar-shaped tooth handle and capable of driving and rotating,
The front cutting plate is disposed on the front end side of the threshing barrel more than the front support plate positioned on the front end side of the threshing barrel relative to the end support plate positioned closest to the rear end side of the threshing barrel among the plurality of support plates. All-throw-in type threshing machine arranged so as to cut by cooperation with teeth handling teeth located near the support plate.   2. The plurality of chopping blades are arranged side by side in the front-rear direction of the threshing barrel so as to correspond to the plurality of teeth that are positioned in the front-rear direction of the threshing barrel near the front support plate. The full throwing type thresher described.

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