JP2001269028A - Reaping blade driving unit for combine harvester or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject driving unit designed to prevent noise produced in the turning movement of a roller unit inserted into the U-shaped receiving groove on a receiving metal furnished on a reaping blade unit superposed on the upper side of a blade-receiving unit and subject to left and right movement. SOLUTION: This reaping blade driving unit has such a scheme that a roller unit 11 inserted into the receiving groove on the receiving metal of a reaping blade unit superposed on the upper side of a blade-receiving unit is rotatably axially supported by a support shaft 12, and by turning a support metal 13 supporting the above support shaft 12, the roller unit 11 works so as to reap grain culms by transversely moving the reaping blade unit. The roller unit 11 has such a construction that an inner roller 9 made of iron material is integrated with an outer roller 10 made of elastic material.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support metal for supporting a support shaft which rotatably supports a roller device inserted into a receiving groove provided in a metal receiving blade of a cutting blade device which overlaps the receiving blade device. The roller device that moves the cutting blade device left and right by rotation to cut the grain culm is a technology in which an outer roller made of an elastic material is integrally formed with an inner roller made of iron material, and a cutting blade driving device such as a combine. Available as

[0002]

2. Description of the Related Art In harvesting of cultivated cereal culm using a combine, the culm is separated by a narrow guide and a weeder provided sequentially from the front end of a reaper provided on the front side of a traveling device of the combine. The cereal stem is raised by a raising device and is raked by a rake device of a cereal stalk raking and transferring device, and the raked cereal stem is superimposed by a reaper on an upper side of a receiving blade device provided below. The support shaft, the rollers, and the support metal supporting the support shaft rotatably supporting the iron-made roller inserted into the receiving groove of the iron-made receiving metal provided in the blade device,
The cutting blade device is moved left and right through the receiving metal or the like, and the culm is cut. The harvested grain culm is transferred to the upper rear portion by the transfer device of the grain stalk raking and transferring device, supplied to a threshing machine, and threshed by the threshing machine.

[0003]

The receiving metal provided on the upper side of the cutting blade device for moving the cutting blade device overlapping the receiving blade device to the left and right and the roller inserted into the receiving groove of the receiving metal are described below. , Both are made of the same material, so that the noise and the vibration sometimes become large. However, the present invention is intended to solve these problems.

[0004]

For this purpose, the present invention provides a lower blade receiving device 5, a cutting blade device 6 that overlaps the upper side of the receiving blade device 5, and a cutting blade device 6 that is positioned above the cutting blade device 6. A receiving metal 8 provided with a U-shaped receiving groove 7 mounted thereon in plan view,
A roller device 11 inserted into the receiving groove 7 and a support metal 13 for supporting a support shaft 12 rotatably supporting the roller device 11 are provided. In a combine or the like for cutting the culm by moving the cutting blade device 6 left and right through the receiving metal 8, the inner roller 9 of the roller device 11 is made of iron material and has a plurality of vertically extending outer diameter (a) portions. A concave groove (b) is provided, and an outer roller 10 made of an elastic material is integrally formed on the outer diameter (a) portion of the inner roller 9, and the inner roller 9 of the roller device 11 is made of an iron material. An outer roller 10 made of an elastic material is formed integrally with the T-shaped portion (C) and the outer diameter (A) portion by forming a substantially T-shaped cross-sectional shape (C) at the outer diameter (A) portion. The inner roller 9 of the roller device 11 is made of iron material, and the outer diameter (a) portion has a U-shaped cross section (d). An outer roller 10 made of an elastic material is integrally formed with the U-shaped portion (d), and the outer diameter (e) of the outer roller 10 is equal to the outer diameter (a) of the inner roller 9. The inner roller 9 of the roller device 11 is made of iron material and the outer diameter (a) portion is formed to have a substantially C-shaped cross section (f), and the C-shaped (f) portion includes: A combine or the like, wherein an outer roller 10 made of an elastic material is integrally formed, and an outer diameter (e) of the outer roller 10 is set to be larger than an outer diameter (a) of the inner roller 9. Of the cutting blade driving device.

[0005]

According to the present invention, the harvesting operation of the pilgrim culm using the combine is performed by separating the culm with a narrow guide provided sequentially from the front end of the reaper provided at the front of the traveling device of the combine and a weeding body. The separated cereals are raised by a raising device and raked by a rake device of a cereal stalk raking and transferring device. Metal receiving metal 8 provided on the cutting blade device 6 that overlaps the upper side of the blade
The outer roller (10) made of an elastic material or the like is integrally formed into one of various shapes in which the outer diameter (a) portion of the inner roller 9 made of iron material inserted into the U-shaped receiving groove 7 is formed into various shapes. The rotation of a support metal 13 that supports a support shaft 12 that rotatably supports the roller device 11 made of
The cutting blade device 6 is moved left and right via the roller device 11 and the receiving metal 8 and the like, so that the grain stalk is cut. The harvested grain culm is transferred to the upper rear portion by the transfer device of the grain stalk raking and transferring device, supplied to a threshing machine, and threshed by the threshing machine.

[0006]

According to the present invention, a cutting blade device 6 for superimposing the cutting blade device 5 on the upper side of the receiving blade device 5 to move the culm is moved right and left to a U-shaped receiving groove 7 of a receiving metal 8 provided above the cutting blade device 6. The outer diameter (a) portion of the inner roller 9 made of an iron material of the roller device 11 to be inserted is formed into various shapes, and the outer diameter (a) portion of the inner roller 9 having any shape is made of an elastic material or the like. By forming the roller device 11 integrally with the outer roller 10, the material of the receiving groove 7 of the receiving metal 8 and the material of the outer roller 10 of the roller device 11 are changed. As a result, noise can be prevented, vibration can be prevented, and the outer roller (a) portion of the inner roller 9 can be formed by using any one of various shapes. 10 can be prevented from peeling off.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. Above the blade receiving device 5 of the mowing device 4 of the mowing machine 3 provided in front of the traveling device 2 of the combine 1, U
A support shaft 12 for supporting a roller device 11 including an inner roller 9 and an outer roller 10 inserted into the receiving groove 7 of the receiving metal 8 is provided.
Blade driving device 1 that moves the cutting blade device 6 left and right by the rotational drive of the supporting metal 13 that supports
4 will be described.

A reaper 3 is provided above the traveling device 2 of the combine 1 and in front of the traveling platform 2a, and the culm harvested by the reaper 4 of the reaper 3 is used as the grain of the reaper 3. It is transferred to the upper rear by the culm scraping transfer device 15 and threshing machine 1
No. 6 is transferred to the feed chain 16a and the holding rod 16b, is taken over by the feed chain 16a and the holding rod 16b, and is threshed in the threshing machine 16 during the transfer.

A traveling device 2 having a pair of left and right traveling crawlers 2b traveling on the soil surface is disposed below the traveling platform 2a of the combine 1 and threshing placed above the traveling platform 2a. On the right side of the machine 16 in plan view, a grain tank 17 for collecting and temporarily storing threshed and sorted grains is mounted.

On the rear side of the grain storage tank 17, a discharge support cylinder 18 provided with a vertical transfer spiral 18a for discharging the grains stored in the grain storage tank 17 to the outside of the machine is rotated in a substantially vertical posture. At the upper end of the discharge support tube 18, a discharge auger 19 is provided at the upper end of the discharge support tube 18, which has a discharge spiral 19 a that discharges grains to the outside of the machine over the entire length of the combine 1 in a contractible manner. It is a structure that is arranged in the front-rear direction so as to be able to contract, rotate up and down, and turn left and right freely.

On the threshing machine 16 side, an operation room 20a is formed by an operation case 20, and an operation device 21 for operating and adjusting each part of the combine 1 is provided in the operation room 20a.
A cockpit 21a or the like on which a pilot is boarded is provided. An engine 22 is mounted on the upper surface of the traveling platform 2a below the cockpit 21a, and a grain storage tank 17 is provided behind the cockpit.
Is arranged. These threshing machine 16 and reaper 3
, The engine 22, the traveling device 2, etc., constitute an airframe 1 a of the combine 1.

In the culm transporting route formed by the cereal stalk scraping and transferring device 15 of the reaper 3, the threshing machine 1 is brought into contact with the culled culm to be cut and transferred.
6 is provided with a grain stalk sensor 3a for detecting the presence or absence of grain stalk supply. A vehicle speed sensor 22 for detecting a traveling vehicle speed based on an output rotation speed is provided in a transmission path in a traveling transmission case 22a mounted on a front end portion of the traveling chassis 2a.
b is provided.

The reaper 3 is provided with a support rod 23 which is inclined from the lower front part to the upper rear part as shown in FIGS.
The support pipe 23a is rotatably supported by a support device 23b provided above the traveling platform 2a. The reaper 3 is configured to be rotatable up and down with respect to the soil surface around the support pipe rod 23a by the operation of the telescopic cylinder 24 driven by hydraulic pressure.

The reaper 3 will be described as a four-row reaping machine. As shown in FIGS. 13 to 16, the reaper 3 sequentially includes narrow guides 25 a for separating the pilgrim stalks from the tip,
And each weed body 25b, each raising device 26 for raising the separated grain culm, each scraping star wheel 27a for scraping the root side of the raised grain culm, and each scraping rug for scraping the tip side A scraping device 27 including a belt 27b and the like, a scraping device 27 of the grain stalk raking and transferring device 15, a blade receiving device 5 for cutting the stalked grain stalks, a cutting device 4 including a cutting blade device 6 and the like; The grain culm of the grain stalk raking and transferring device 15 comprising: each stock transfer chain 28a for transferring the stock side of the culm; a chain 28b with a transfer lug for transferring the tip side; and each transfer holding rod 28c. Transfer device 28
Forward and reverse movement of the handle depth adjusting chain 29b with the turning metal 29a for adjusting the supply depth of the grain stem supplied to the threshing machine 16 depending on the length of the grain stem to be transferred, etc. A depth-adjustment transfer device 29 including a rotation depth motor 29c, a holding rod 29d, and the like;
Supply transfer chain 30a and holding rod 30b formed in a square shape
This is a configuration in which a supply transfer device 30 and the like are provided.

On the upper side of the grain culm transfer device 28, a long culm detection rod 31 for detecting a long culm and a short culm to be transferred is provided.
a, and ON-OF for detecting the operation of the short culm detection rod 31b
This is a configuration in which a long / short culm sensor 31 including an F switch type detection switch (not shown) and the like is provided.

As shown in FIGS. 7 and 16, the reaper 4 has receiving pipes 32b inclined forward and downward on both left and right sides of a lower transmission case 32 in which a transmission mechanism 32a is provided at the lower end of a support rod 23. A support pipe 33 is fixedly provided at the lower front end of each receiving pipe 32b. Each support plate 33a provided at both left and right ends of the support pipe 33 is provided with each of the weeds 25b on both left and right sides. A weeding pipe 25c is fixedly provided, and a middle support plate 33b is provided on the center of the support pipe 33 and on both left and right sides of a predetermined position from the center.
On each of the middle support plates 33b, the three inner weeds 2
5b, the weeding pipes 25c are fixedly provided.

The receiving blade device 5 of the reaper 4 includes a weeding pipe 2 of weeding bodies 25b on both right and left sides as shown in FIGS.
5c is slightly protruded from the outer end of the outer diameter of the receiving blade support rod 5c.
a, a plurality of substantially triangular-shaped receiving blades 5b in plan view are attached by rivets or the like in the left-right direction of the upper side surface of the receiving blade supporting rod 5a. At the center in the direction, a mating receiving blade 5c having a substantially triangular shape in a plan view is mounted and provided with rivets or the like.

The mating receiving blade 5c is shown in FIGS.
As shown in the figure, the angle of inclination of the distal end is formed to be smaller than the angle of inclination of the base side, and the angle of the base side is set to be less than the cutting edge 6 at the position of approximately 1/3 of the total length from the front end in plan view.
The angle c is formed at substantially the same angle as the inclination angle, and the upper side surface of the distal end portion is not provided with a saw (a), but is provided only on the base side. The shape of the two-dot chain line is the conventional shape.

Thus, the shape of the tip portion of the mating receiving blade 5c is made compact, the amount of projection forward is reduced, and it is possible to prevent the grain stem from being pushed down. Further, by forming the inclination angle on the base side of the mating receiving blade 5c to be substantially the same as the inclination angle of the cutting blade 6c, the cutting area was increased, and the cutting performance of the grain culm was able to be improved.

The cutting blade device 6 of the cutting device 4 has left and right cutting blade support rods 6a, 6b divided into two right and left portions at the right side position of the weeding body 25b at the center in plan view as shown in FIGS. A plurality of cutting blades 6c are attached to the lower surfaces of the left and right cutting blade supporting rods 6a and 6b by rivets or the like in the left-right direction. The total length (L1) of the left cutting blade support rod 6a in the left and right direction and the total length (L) of the right cutting blade support rod 6b in the left and right direction.
2) is a configuration formed with the same length. The cutting blades 6c provided at the innermost ends of the left and right cutting blade support rods 6a and 6b are formed in a substantially triangular shape in plan view. Is steeply inclined.

Thus, the left and right cutting blade support rods 6a,
By making the total lengths (L1) and (L2) of the left and right directions of 6b the same, the vibration of the reaper 4 can be reduced, and the dividing position is set near the right side of the central weeding body 25b. Thereby, a mowing trace can be improved.

On the upper side surface of the left and right cutting blade supporting rods 6a, 6b, a substantially central portion between the outer weeds 25b on the left and right sides and the second weeds 25b from the outside is made of iron material. The receiving metal 8 is mounted by rivets or the like.
In the center of the receiving metal 8, a roller device 11 that moves backward is provided.
Is provided in the front-rear direction with a U-shaped receiving groove 7 into which a U is inserted in plan view.

As shown in FIG. 8, the outer ends of the left and right ends of the receiving blade device 5 are mounted on front and rear mounting plates 35a and 35b provided on the weeding pipe 26c of the outer weeding body 25b on the left and right sides. Configuration. At the rear of the receiving blade support rod 5a, L
The mounting plate 36 is attached with bolts, nuts, and the like.
a is fixedly provided, and a support plate 36b is fixedly provided on the upper surface of the other side, and an upper portion of the support plate 36b is provided on the weeding pipe 25c, and is then attached to the mounting plate 35b with bolts, nuts, and the like. It is a configuration that is mounted. The support boss 36a is inserted into a shaft 37 integrally provided at a lower part on the front side of a support plate 33a provided on the weeding pipe 25c and supported by the shaft, so that the reaper 4 can be vertically rotated around the shaft 37. is there.

The left and right outer ends of the blade receiving device 5 are:
The upper end of the plate-shaped receiving arm 37a is received by a bolt and a nut on a front mounting plate 35a provided on the weeding pipe 25c.
The rear end is configured to be supported by a shaft 37. Reference numeral 34 denotes a receiving plate to which the raising device 26 is attached and supported.

As shown in FIG. 9, each hook receiving shaft 33c is fixed to a supporting pipe 33 supported by a middle supporting plate 33b, as shown in FIG. This is the configuration provided. The receiving blade supporting rod 5 of the receiving blade device 5
a hook 38a having a U-shape in side view
The left and right sides of a hook mounting plate 38, which is fixed to the center in the left-right direction, are mounted with bolts or the like, and the hook mounting plate 38 has a structure in which the center is protruded downward. The hook receiving shaft 33c is supported by being hooked. The reaper 4 is provided with the hook receiving shaft 33.
It is a configuration that can rotate up and down around c.

The mounting of the receiving blade device 5 at a substantially central portion is shown in FIG.
Weeding pipe 25c of weeding body 25b at the center as shown by 0
The mounting plate 39 is fixedly provided on the left side in a plan view. At the rear of the upper side surface of the blade supporting rod 5a of the blade receiving device 5, only the rear end of this L-shaped arm plate 39a is
In this configuration, the character portion is mounted with bolts and the like, and the front end is mounted on the mounting plate 39 with bolts and nuts.

Thus, the mounting of the cutting blade device 6 is stabilized by supporting the vicinity of the divided portion. Further, by providing the mounting plate 39 for mounting the weeding body 25b to the weeding pipe 25c on the side opposite to the divided portion, it is possible to prevent the action of the cutting blade 6c from being interrupted, and to improve the cutting marks. did it.

As shown in FIGS. 7 and 9, mounting of the cutting blade device 5 to be superimposed on the upper side of the receiving blade device 5 is performed by connecting the cutting blade device 6 with the outer end on the upper side and the outer side on the left side. The lower part of the weeding pipe 25c of the first weeding body 25b, the vicinity of the second weeding body 25 from the right outside, and the middle weeding body 25
The blade pushing device 40 is provided separately in the vicinity of the portion b. The blade pressing device 40 has a configuration in which a blade pressing 40b is attached to a front portion of a blade pressing plate 40a with a rivet or the like.
Also, between the lower surface at the rear of the blade pressing plate 40a and the upper surface of the receiving blade support rod 5a of the receiving blade device 5, sequentially from the lower portion,
A receiving plate 41a for receiving the cutting blade 6c, a collar 41b, an adjusting collar 42 provided with a long hole 42a, and a shim 42b are provided, and these are mounted with bolts and nuts.

Thereby, the cutting blade device 6 on the left side in particular
The correction operation is delayed when the cutting height is inappropriate because it is far from the position of the pilot operator, and the weeds 25b may rush into the soil. Although mud was caused to occur, by providing the blade pushing device 40 at a position below the weeding pipe 25c of the weeding body 25b, mud shedding became good, and the grain culm due to the mud accumulation was improved. It was possible to prevent the transfer posture from being deteriorated.

As shown in FIGS. 1 to 7, the driving structure for the left and right movement of the cutting blade devices 6, 6 on both the left and right sides includes a lower transmission case 32.
A mounting tool 43 is provided at the shaft end of the transmission shaft 32c, and the mounting tool 43 is provided with a mounting metal 43a. Receiving plate 4 provided on transmission case 32 and receiving pipe 32b
A support plate 45 provided with a support shaft 45a fixed thereto is mounted on an upper side surface of the base plate 4 with bolts or the like.

The support metal 13 having an L-shape in plan view is rotatably supported by a support shaft 45a of a support plate 45. A roller device 11 is provided below the front end of a front arm 13 a on the front side of the support metal 13, and a horizontal arm 13 a is provided.
b and the mounting metal 43b are adjusted lot 4
6 is connected. One end of the adjustment lot 46 is formed in a forked shape 46a, and the mounting metal 4
3b and mounted with bolts and nuts, and the other end is a universal ball 46
b, and the universal ball 46b is mounted on the lower surface of the horizontal arm 13b with a fastening pin 46c and a nut.

As shown in FIGS. 1 and 5, the roller device 11 is rotatably provided below the front arm 13a of the support metal 13. As shown in FIG. The inner roller 9 of the roller device 11 is made of an iron material, and has a configuration in which a plurality of concave grooves (b) are provided in a vertical direction of an outer diameter (a) portion. An elastic material, for example, a polymer resin material, is provided on the outer diameter (a) portion of the inner roller 9.
Alternatively, the outer roller 10 made of a rubber material or the like having high abrasion resistance is integrally formed. A support shaft 12 is provided at the front end of the front arm 13a of the support metal 13 to support the support shaft 12. Below the front arm 13a, the support shaft 12 is provided with a support collar 12a and the roller device 11. Are pivotally supported, and nuts 12b and 12c are screwed into upper and lower ends of the support shaft 12, respectively.

As shown in FIGS. 2 and 5, the roller device 11 is rotatably provided below the front arm 13a of the support metal 13. As shown in FIG. The inner roller 9 of the roller device 11 is made of iron material, and has a configuration in which a substantially T-shaped cross section (C) is formed at an outer diameter (A) portion. An outer roller 10 made of an elastic material, for example, a polymer resin material or a rubber material having high wear resistance, is integrally formed on the outer diameter (a) portion and the T-shaped (c) portion of the inner roller 9. It is the structure formed in. A support shaft 12 is provided at the front end of the front arm 13a of the support metal 13.
The support shaft 1 is provided at the lower side of the front arm 13a.
2 has a structure in which a supporting collar 12a and the roller device 11 are pivotally provided, and nuts 12b and 12c are screwed into upper and lower ends of the supporting shaft 12, respectively.

The roller device 11 is rotatably provided below the front arm 13a of the support metal 13, as shown in FIGS. The inner roller 9 of the roller device 11 is made of an iron material, the outer diameter (a) portion is formed in a U-shaped cross section (d), and the U-shaped portion (d) has an elastic material, for example, The outer roller 10 made of a polymer resin material or a rubber material having high wear resistance is integrally formed.
The outer diameter (e) of the outer roller 10 is slightly larger than the outer diameter (a) of the inner roller 9. A support collar 12a and a roller device 11 are provided on the support shaft 12 below the front arm 13a of the support metal 13 so as to be pivotally supported. , Nuts 12b and 12c are screwed.

The roller device 11 is rotatably provided below the front arm 13a of the supporting metal 13 as shown in FIGS. The inner roller 9 of the roller device 11 is made of an iron material, and the outer diameter (a) portion is formed to have a substantially C-shaped cross section (f), and the C-shaped (f) portion has an elastic material, for example, An outer roller 10 made of a polymer resin material, a rubber material having high abrasion resistance, or the like is integrally formed. The outer diameter (e) of the outer roller 10 is slightly larger than the outer diameter (a) of the inner roller 9. The support shaft 12 is positioned below the front arm 13a of the outer support metal 13.
The support collar 12a and the roller device 11 are provided so as to be pivotally supported, and nuts 12b and 12c are screwed into upper and lower ends of the support shaft 12, respectively.

The roller device 11 may be configured to use any one of the roller devices 11 shown in FIGS. 1 to 4. Are inserted into the respective receiving grooves 7. The outer roller 10 of the roller device 11 in contact with the receiving groove 7 is rotated in the left-right direction by the rotation of the support metal 13, so that each of the cutting blade devices 6 is moved left and right to cut the culm. It is.
By changing the material of each receiving groove 7 of each receiving metal 8 and the material of each outer roller 10, abnormal noise is prevented from being generated, noise is prevented, and the outer roller The configuration is such that the outer roller 10 is prevented from peeling off by variously processing the diameter (a) portion, and furthermore, the vibration of the reaper 4 is prevented.

The scraping device 27 of the grain stem scraping transfer device 15
As shown in FIG. 13 to FIG.
A front pulley 47b is rotatably mounted on a front rake shaft 47a rotatably provided at a lower front portion of the cradle case 47, and a rear rake shaft 48a is rotatable with a support metal 48 provided at a lower rear portion of the rake case 47. This is a configuration provided so as to be pivotally supported. The rear pulling shaft 48a is provided with a rear pulley 49a, and a boss 49 is inserted into the rear pulling shaft 48a to support the rear pulley 49a.
a is a configuration in which a belt 27b with a scraping lug is stretched.

At the substantially vertical center of the rear boss 49 of the rear pulley 49a, a cylindrical upper scraping color guide 50a is provided.
The lower part of the scraping metal 51 supported by a supporting rod 51a that rotatably supports the lower part of the rear scraping shaft 48a is provided with a cylindrical lower scraping color guide 50b. A scraping star wheel 27b is inserted into the lower end of the shaft 48a and rotatably supported.

Between the lower side of the rear pulley 49a and the upper side of the rake star wheel 27a, an upper and lower rake color guide 5 is provided.
On the outer side of Oa and 50b, a scraping collar 52 provided with a cutout groove for preventing winding of straw chips and grass is inserted and provided. Thereby, straw,
When the grass and the like are wrapped around, the scraping collar 52 may be damaged, but by receiving the scraping collar 52 with the upper and lower scraping color guides 50a and 50b, damage can be prevented. At the same time, the straw, grass and the like that have entered from the notch of the scraping collar 52 are separated by the scraping collar guides 50a and 50b and received, thereby preventing damage to the bearings and the like provided inside the scraping metal 51. can do.

As shown in FIG. 14, the grain culm transfer device 28 on the right side of the grain stalk scraping and transfer device 15 is a stock transfer chain 28a.
Is a configuration supported by a stock transfer rail 53. The stock transfer chain 28a is provided with a fulcrum shaft 54a in the vicinity of the rear drive sprocket 54, and with the fulcrum shaft 54a as a rotation center, the stock transfer chain 28a and the stock transfer rail 53 Is a structure that can be opened and closed outward.
At the time of opening and closing, the hook device 55 is opened and the locked state is operated after the opening state.

Thus, when clogging of the cultivars occurs in the stock transfer chain 28a of the long culm transfer device 28 on the right side, the stock transfer chain 28a is moved to the stock transfer rail 5
By opening to the outside by the opening operation of No. 3, it is possible to easily remove the clogged grain stalks, and the configuration is simple because the rear end portion is the center of rotation.

[Brief description of the drawings]

FIG. 1 is an enlarged sectional side view of a roller device.

FIG. 2 is an enlarged sectional side view of a roller device section.

FIG. 3 is an enlarged sectional side view of a roller device section.

FIG. 4 is an enlarged sectional side view of a roller device section.

FIG. 5 is an enlarged plan view of a mowing drive unit.

FIG. 6 is an enlarged side view of a mowing drive unit.

FIG. 7 is an enlarged plan view of the reaper unit.

FIG. 8 is an enlarged side view of an outer mounting portion of the reaper unit.

FIG. 9 is an enlarged side view of AA in FIG. 7;

FIG. 10 is an enlarged sectional view taken along line BB of FIG. 7;

FIG. 11 is an enlarged plan view of a mating receiving blade portion.

FIG. 12 is an enlarged plan view of a mating receiving blade.

FIG. 13 is an overall enlarged plan view of the reaper.

FIG. 14 is an enlarged plan view of a grain stalk scraping and transferring device.

FIG. 15 is an enlarged side view of a grain stalk scraping transfer device.

FIG. 16 is an overall side view of the combine.

[Explanation of symbols]

 5 Receiving blade device 6 Cutting blade device 7 Receiving groove 8 Receiving metal 9 Inner roller 10 Outer roller 11 Roller device 12 Supporting shaft 13 Supporting metal A Outer diameter B Concave groove C T shape Nico shape E Outer diameter F C shape

Claims (4)

[Claims] 1. A lower receiving blade device 5, a cutting blade device 6 that overlaps above the receiving blade device 5, and a U-shaped receiving groove 7 mounted on the upper side of the cutting blade device 6. The receiving metal 8 provided, a roller device 11 inserted into the receiving groove 7 of the receiving metal 8, a supporting metal 13 for supporting a supporting shaft 12 rotatably supporting the roller device 11, and the like are provided. The inner roller 9 of the roller device 11 is made of iron material in a combine or the like in which the cutting blade device 6 is moved right and left by the roller device 11 via the receiving metal 8 by the rotation of the metal 13 to cut the culm. A plurality of grooves (b) are provided in the vertical direction of the diameter (a) portion, and an outer roller 10 made of an elastic material is integrally formed on the outer diameter (a) portion of the inner roller 9. A cutting blade driving device for a combine or the like. 2. The roller device according to claim 1, wherein
The inner roller 9 is made of iron material and has an outer diameter (a) having a substantially T-shaped cross section.
And a T-shaped (C) portion and an outer diameter (A) portion formed integrally with an outer roller 10 made of an elastic material. Cutting blade drive. 3. The roller device 1 according to claim 1, wherein
The inner roller 9 is made of iron and the outer diameter (a) is formed in a U-shape in cross section, and an outer roller 10 made of an elastic material is integrally formed in the U-shape (d). A cutting blade driving device such as a combine, wherein the outer diameter (e) of the outer roller 10 is larger than the outer diameter (a) of the inner roller 9. 4. The roller device according to claim 1, wherein
The inner roller 9 is made of iron and has an outer diameter (a) of approximately C in cross section.
An outer roller 10 made of an elastic material is formed integrally with the C-shaped portion (f), and the outer diameter (e) of the outer roller 10 is Outer diameter (a)
A cutting blade driving device such as a combine, which is provided with a larger diameter.