JPH1080219A - Rush harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rush harvester making waste rush hardly wind around threshing rollers. SOLUTION: In this rush harvester constituted so as to hold waste rush projecting to the stock end side of a transported rush group in a nipped state by a pair of rotated and driven threshing rollers 18 and 19, to draw out and to deliver the rush, a waste rush shredding apparatus 6 for successively cutting the discharged waste rush from the transportation end side is installed at the delivery end side of the waste rush of the threshing rollers 18 and 19. In this case, the waste rush shredding apparatus 6 is composed of a stationary blade body 28 for receiving the discharged waste rush at a cutting position and a rotary blade body 26 which is rotated and driven around a shaft center approximately parallel with the revolving shaft centers of the threshing rollers 18 and 19 so as to cut the waste straw by the cooperation with the stationary blade body 28. The stationary blade body 28 is equipped with a scraper part 28b to be bought close to the outer peripheral face of one of the threshing rollers 18 and 19.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction in which a waste rush projecting toward the end of a rush of conveyed grass is pinched and pulled out by a pair of rotary rollers which are driven to rotate. The present invention relates to a rush harvesting machine equipped with a trash shredding device that sequentially cuts trash carried out from the end of transport to a rush delivery side.

[0002]

2. Description of the Related Art Conventionally, in this kind of rush harvester,
As shown in Japanese Patent Application No. Hei 7-131270 filed earlier by the present applicant, the waste cutting and shredding device sequentially cuts the waste from the conveying end by cooperating with the rotary blade and the fixed blade. What is constituted so that it does is well known.

[0003]

However, in the rush harvester having the above-mentioned conventional structure, in the case where the rush is wound around the crushing roller, the crushing device is disassembled or the crushing roller is disassembled. In such a case, the entangled trash is removed, so that the work of disassembling and the like is troublesome and the work efficiency is low.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a rush harvester in which scraps and the like are hard to be wound around a milling roller.

[0005]

[Means for Solving the Problems]

(Structure) The rush harvester according to claim 1 of the present invention is configured to pinch and remove a waste rush protruding toward the end of a rush of conveyed rushes by a pair of rotary rollers that are driven to rotate. In a rush harvesting machine equipped with a litter shredding device that sequentially cuts the litter rushed out from the conveyance end to the litter discharge side of the dust roller, the litter crusher is connected to the litter crusher. A fixed blade that receives the rush at the cutting position, and a rotary blade that is driven to rotate about an axis substantially parallel to the rotation axis of the cutting roller and cuts in cooperation with the fixed blade, The fixed blade body is provided with a scraper portion adjacent to one outer peripheral surface of the squeezing roller.

(Operation) According to the first aspect of the present invention, since the scraper portion connected to the fixed blade is close to one outer peripheral surface of the cutting roller, the scraper portion allows It is possible to scrape trash and dust etc. that are wrapped around the roller.

(Effects) Therefore, according to the structure of the first aspect of the present invention, the fixed blade body is used to scrape off the rush or dust on the outer peripheral surface of the dusting roller so as not to wrap or adhere. Since it can be done, there is no need to provide a dedicated member for scraping it,
This leads to cost reduction.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1 and FIG. 2, the rush to be planted is vibrated by a driving-type weeding body 1 to loosen the entangled grass, and the rush to be cut and the non-cutted rush are sown. Weeding is performed on one side and the other side of the row raising path, the rush to be cut from the weeding body 1 is raised by the device 2, and the stem end of the rush to be cut from the raising device 2 is an endless rotating belt. The cutting section A, which is configured to cut the root side of the stock with a clipper-type cutting device 4 while holding it by a cutting device 3, and a sorting device 5 for separating cutting rush grass into rush grass to be harvested and waste rush grass (hereinafter referred to as waste rush). The cutting waste A from the cutting section A by the waste cutting and shredding device 6 acting on the waste rush from the sorting device 5, the binding device B for bundling the target rush from the sorting device 5 by a set amount, the endless rotating belt 3, and the like. Is supplied to the sorting device 5 and sorted. A working device provided with a transport unit 7 for supplying the target rush from the storage unit 5 to the binding device B is a crawler traveling device 8, a sunshade 9 for an operating unit, a front part of a self-propelled body having an engine E and the like. In addition, the lift cylinder C1 is connected so as to swing up and down around the axis P in the lateral direction of the machine body, and the rotation output of the engine E is transmitted to a working device. A loading platform 10 for storing the rush bundles from the tying device B is provided on the side of the driving unit of the self-propelled body so as to be able to be dumped by the dump cylinder C2, thereby constituting a riding type rush harvester.

As shown in FIG. 1 to FIG.
The endless rotating belt 3 located on the rear side of the raising device 2, and a pair of upper and lower laterally feeding endless rotating belts 11, 1 located on the rear side of the raising device 2 below the endless rotating belt 3.
1, a blower 12 located between the laterally feeding endless rotating belts 11, 11; and a rearwardly feeding endless rotating belt 14 provided side by side with the rush receiving table 13 located on the lateral side of the blower 12. , And 15 respectively. The endless rotating belt 3 clamps the stem side of the cutting rush from the cutting device 4 and conveys it to the rear of the machine. Endless rotating belt 3
A pair of laterally feeding endless rotating belts 11, 11 laterally feed the root side of the cutting rush that clamps the stems of the cutting rushes toward the rush receiving table 13 by means of these locking and conveying claws. When this stock side reaches the side of the blow port 12a of the blower 12, the wind from the blow port 12a blows up the stock base side, and
Of the rear-endless endless rotating belts 14 and 15 located on the side closer to the blower 12. Then, after this, the feed endless rotating belt 14 moves the root side of the cutting rush to the rush receiving tray 13.
And is fed between the endless rotating belt 16 of the sorting device 5 located above the front end side of the rush receiving tray 13 and the upper surface of the rush receiving tray 13.
At this time, the transport guide 17 receives and acts on a stem portion between the endless rotating belt 3 and the backward feeding endless rotating belt 14 of the cutting rush, and the stem tip side of the transport guide 17 of the cutting rush faces the machine body up and down. In this state, the root side of the stock relative to the transport guide 17 is in a sideways-down attitude on the rush receiving table 13, so that the cut rush grass has a curved bending position as a whole at a position where it comes into contact with the transport guide 17. In this bent posture, the endless rotating belt 3 clamps and conveys the tip of the stem further rearward, and the backward feed endless rotating belt 14 locks and conveys the stem side further rearward along the upper surface of the rush receiving stand 13. . After passing through a pair of front and rear endless rotating belts 16, 16, the stock side enters the conveying start end of the backward feeding endless rotating belt 15, and the endless rotating belts 3, 14, 15 bend the cutting grass. To further transport it to the rear of the aircraft. After this, the stem tip side comes off from the endless rotating belt 3, and the cutting rush takes a sideways posture along the lateral direction of the fuselage over the entire length, and feeds back the end of the cutting rush to the endless turning belt in the sideways posture. 15 is further transported to the rear of the machine and sent to the binding device B. Thereby, the transporting unit 7 supplies all of the cut rush from the cutting device 4 to the sorting device 5, and supplies the target rush to the binding device B by the sorting device 5.

The sorting device 5 includes a pair of straight endless rotating belts 16, 16 arranged in the longitudinal direction of the fuselage above the front end of the rush receiving tray 13, and one end of the straightened endless rotating belts 16, 16. It is constituted by a pair of upper and lower curling rollers 18 and 19 provided on the rear side of the fuselage. A ring body 2 around one end of a pair of endless rotating belts 16
0 is driven around the axis in the longitudinal direction of the fuselage by the transmission from the binding device B, so that both of the pair of endless endless rotating belts 16 are driven by the wheel body 20, and any of the endless endless rotating belts 16 is driven. The digging claw 16a of the moving belts 16, 16 moves in the direction of arrow F shown in FIG. Withdraws. Among the cutting rushes supplied between the curling endless rotating belt 16 and the rush receiving tray 13, the rush having the stem tip side pinched by the endless rotating belt 3 is endlessly rotated even if the curling claw 16a is pulled out. The rush that does not fall out of the rush group conveyed to the rear of the machine by the moving belts 3 and 14 but whose stem side is not clamped by the endless rotating belt 3 is moved from the rush group to the stock base side by the pulling-out claw 16a. Get out. The cutting rush that has escaped from the conveying rush group together with the other cutting rush and moves to the rear side of the endless rotating belt 16, and its stock side enters between the pair of horn rollers 18, 19. A pair of curling rollers 18,
The upper roller 19 among the rollers 19 is coaxially and integrally rotatably connected to the rear side of the wheel 20 for driving the belt and is configured to be driven to rotate together with the wheel 20. The lower roller 19 is configured to contact the upper roller 18 and be driven to rotate by friction transmission from the upper roller 18, so that a pair of roller 18, 19
The rushed grass fed from the endless rotating belt 16 to the stock root side is further extracted from the transported rush group to the stock root side, and is discharged to the outside of the side of the gathering rollers 18 and 19. As a result, the sorting device 7 is different from the sorting device 7 in which the cutting rush from the cutting device 4 is held at the stem end by the endless rotating belt 3.
Harvesting turf that is selected by the endless rotating belt 3 is selected from non-clamped ones, and the harvest target is longer than the set length determined by the distance from the endless rotating belt 16 to the endless rotating belt 3 and the stem length is good. The stalks which are fed as the rush into the rear feed endless rotating belt 15 and the cutting rush which is not held by the endless rotating belt 3 are cut off by the reaper 4 as a short litter having a stalk length less than a set length. In this state, it is discharged to the discharge path R located outside the machine body of the air conditioning rollers 18 and 19.

As shown in FIGS. 4 to 9, the chip breaking device 6 includes a case 23 mounted on a support shaft 21 for the ring body 20 and the cutting roller 18 via a mounting arm 22, and a box 23. The free end of the support arm 24, which is disposed inside the case 23 so as to be covered by the case 23 forming a body and is freely rotatably fitted to the cylindrical boss 43 integrally connected to the transmission case of the tying device B, is alligated. The case 23 includes a rotary blade body 26 for shredding rotatably mounted around a rotation axis X in the front-rear direction via a rotation support shaft 25 rotatably supported together with a rear side wall 23 a of the case 23. It is disposed inside the case 23 so as to be covered, and near the outer periphery of the rotary blade body 26 and near the outer peripheral surface of the lower curling roller 19 via the bracket 27 via the bracket 27.
3 and a fixed cutting blade 28 for shredding.

A rotary blade driving pulley 30 attached to the end of the rotary support shaft 25 so as to be integrally rotatable between a rear side wall 23a of the case 23 and a clutch cover 29 attached to the rear side wall 23a. Is provided. A transmission belt 31 is attached to the rotary blade driving pulley 30 and a belt pulley 18a formed at the end of the roller 18. Then, as shown in FIGS. 4 to 6, the rotating shaft 2 on the rear side wall 23 a of the case 23 fixed to the body part 32 of the self-propelled body with a jack bolt JB.
By providing the tension arm 33 so as to be swingable around the axis Q1 along the front-rear direction lower than the shaft supporting point of No. 5,
The belt tension applying means 34 for transmitting power to the waste shredding device 6 is configured. The tension arm 33 has a shaft center Q with respect to an arm portion provided with a tension roller 35 which comes into contact with the transmission belt 31 so as to apply tension.
The tension application is elastically urged by a tension spring 36 whose one end is locked to an arm portion 33a extending to the opposite side with respect to 1. The other end of the tension spring 36 is locked by a spring fixing bolt SB fastened to a case frame 23 d below the case 23 integrally connected to the case 23. Here, since the tension spring 36 is pulled downward, the tension roller 35 is driven by the transmission belt 31.
Is in an operation state in which tension is applied to the, i.e., the transmission state is set.

A lever 37 is pivotally supported on the rear side wall 23a of the case 23 so as to be rotatable around the longitudinal axis Q2. The lever 37 is linked to a swing support arm 39 of the lower roller 19 via a second tension spring 38. That is, the swinging support arm 39 slides around the rotation axis X on the boss portion of the support boss member 41 for supporting the rotary blade driving pulley 30 on the rear side wall of the case 23 via the bearing 40. The lower support roller 39 is rotatably supported on one end of the swing support arm 39, and the second guide roller 19 is rotatably supported on the other end of the swing support arm 39. One end of the tension spring 38 is locked, and the other end of the second tension spring 38 is locked to the lever 37. When the lever 37 is set at a position lower than the clutch cover 29, the swinging support arm 39 is rotated around the rotation axis X, the raising roller 19 is lifted upward, and the upper roller 18 is lifted. In contact with the second
It is elastically biased by the tension spring 38. The position of the lever 37 in this state is the lock position L. Further, the lever 37 is swung upward around the axis Q1 to
Is located to the right and outside of the clutch cover 29, both the tension spring 36 and the second tension spring 38 are in a loosened state. An interval is left. The operation position of the lever 37 in this state is the lock release position U.

The rear wall 23a of the case 23 has a cylinder connected to the body 32 so as to support, via a bearing 40, a transverse transmission shaft 42 transmitted from a binding device B for rotating and driving the upper curling roller 18. The boss 43 is supported by a support arm 24 fitted externally. On the other hand, a portion of the ring body 20 at the other end of the upper curling roller 18 rotatably supports a support shaft 45 via bearings 44, 44. The extension arm of the support shaft 45 is integrally provided with the mounting arm 22 fixedly held by the support shaft 45 in a cantilever state. As shown in the drawing, the other end of the mounting arm 22 is provided in a state where the rotary blade body 26 is externally fitted to a bearing member 46 for rotatably supporting the rotary blade body 26 around the rotation axis X. .

The fixed blade 28 is composed of a relatively long flat plate member, and has a receiving blade portion 28a which forms a linear edge in a state close to the rotation locus of the rotary blade 26. . A scraper portion 28b is provided at the edge opposite to the receiving blade portion 28a. This scraper part 2
As shown in FIGS. 5 and 8, reference numeral 8b is provided in a state of being close to the outer peripheral surface of the lower roller 19, and the debris adhered or wound on the outer peripheral surface of the roller 19 is shown. It is set so that rushes and dust can be scraped off. That is, the scraper portion 28b is configured as shown in FIG.
As shown in FIG. 3, the scraping surface is formed so as to be inclined with respect to the upper and lower surfaces of the plate body forming the fixed blade body 26 when viewed in the front-rear direction, and the scraping surface is substantially along the outer peripheral surface of the cutting roller 19. It has an inclined surface. Further, the hole through which the bolt is inserted is formed in a long hole so that the fastening position by the bolt can be changed so that the fixed blade body 26 can be attached to the bracket 27 in the near and far directions with respect to the roller 19 and the fastening position can be changed. I have.

[Brief description of the drawings]

FIG. 1 is an overall side view showing a rush harvester.

FIG. 2 is an overall plan view showing a rush harvester.

FIG. 3 is a longitudinal sectional front view showing a sorting device, a waste scrap shredding device, and the like.

FIG. 4 is a partially cutaway perspective view showing a scrap cutting device.

FIG. 5 is a longitudinal rear view showing the waste crusher in use.

FIG. 6 is a rear view of a longitudinal section showing a waste crusher in an unused state.

FIG. 7 is a plan view of a lint shredder partially broken at a driving roller portion on a driving side.

FIG. 8 is a plan view of a lint shredder partially broken at a driven roller portion on a driven side.

FIG. 9 is a longitudinal rear view showing a rotary blade body and the like in use (a).
And longitudinal rear view showing the rotary blade and the like in a state where maintenance is performed (b)

[Explanation of symbols]

 6 Waste cutting and shredding device 18, 19 Cutting roller 26 Rotating blade 28 Fixed blade 28b Scraper part

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Mitsuru Murata 332 Ryoha-cho, Sakata City, Yamagata Prefecture Inside Saito Agricultural Machinery Works (72) Hiromi Yamaguchi 332 Ryoba-cho, Sakata City, Yamagata Prefecture Sai Inside Fuji Farm Machinery Works

Claims (1)

[Claims] The present invention is characterized in that the waste rush protruding toward the stock end of the group of transported rushes is clamped by a pair of rotary rollers driven to be pulled out and carried out. In a rush harvester equipped with a litter shredding device that sequentially cuts the litter from the transport end, a fixed blade body that receives the litter litter at the cutting position of the litter litter carried out, A rotating blade that is driven to rotate about an axis substantially parallel to the rotation axis of the cutting roller and cuts in cooperation with the fixed blade, wherein the fixed blade includes one of the cutting rollers. A rush harvester with a series of scrapers adjacent to the outer peripheral surface of the rush.