JP3383173B2 - Attaching and detaching device for rocking sorter in thresher - Google Patents

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to an apparatus for attaching and detaching a rocking sorter in a threshing machine. 2. Description of the Related Art Conventionally, an oscillating sorter, which is supported by a support link and a driving mechanism below a handling room and swings and receives threshing material threshed in the handling room, has a sorting screen (filtration). When clogging occurs in the body, etc., or when performing maintenance work inside the threshing machine, open the back of the threshing machine and take out the rocking sorter out of the opening from the opening to clean the rocking sorter and the threshing machine. And maintenance work.
Such a rocking sorter uses thrusters provided on both sides of the rocking sorter when attaching and detaching the front and rear portions of the rocking sorter to and from a support link and a driving mechanism that support the front and rear portions of the fuselage by a bolt. It is configured to be inserted and removed from the rear side of the fuselage along a guide rail protruding from the machine wall. [0003] In the above-described conventional rocking sorter support structure, the roller that rolls along the guide rail is fitted on a horizontal pin protruding from a side wall of the swinging sorter. In the inserted state, the shaft end is provided with a roller retaining member so as to be pivotally supported, so that the shaft end and the threshing machine wall are separated from each other in order to prevent contact between them, and the roller is guided by the guide rail. There is a drawback that the guide rail is widened, the guide structure is complicated, and the cost is high. Also, when trying to configure a link member that adjusts the fin angle of the chaff sheave on the side wall of the swing sorter with the above structure, the guide rail is formed narrow and installed in the space between the threshing machine wall. However, if the width of the guide rail is reduced in such a case, there is a problem that the roller is difficult to be put on or removed from the guide rail at the time of inserting / removing the swing sorter. [0004] In order to solve the above-mentioned conventional problems, an apparatus for attaching and detaching a rocking sorter in a threshing machine according to the present invention comprises a swing sorter installed below a handling room. In addition to being supported by a drive mechanism and a supporting link so as to be swingably driven and detachable in the front-rear direction, the swing sorter is supported by a guide rail provided on the threshing machine wall with a guide provided on the swing sorter. Plan
In the configuration the thresher so as to allow insertion and removal from the rear side of the machine body by sliding in a state of being inside, is formed in a block shape of the guide body of a synthetic resin, the side
While projecting the surface to the middle and high in plan view, forming the contact part,
The contact portions are respectively brought close to the left and right threshing machine walls so as to be fixed to both side walls on the front side of the swing sorting body. An embodiment of the present invention will be described with reference to the drawings. In FIG. 1, A is a threshing machine that can be mounted on a machine base B having a crawler-type traveling device of a harvester such as a combiner, and the threshing machine A moves a feed chain 3 back and forth along a handling room 2 formed in the body 1. The culm processing device is installed in the rear end of the body 1 with a straw transporting band 3a connected to the end and a cut culm supplied to the handling room 2 for threshing and processing. (Cutter) The sheet is transported to C for post-processing. The threshing machine A includes a handling cylinder 2
a and a processing chamber 2e containing a processing drum 2c and a processing net 2d are connected to the terminal end side of the processing net 2b and the processing net 2b. The swing sorting body 6 is mounted so as to be swingable in the front-rear direction in the sorting wind path F, and the first thing is placed under the swing sorting body 6 in the grain tank 7b through the fryer cylinder 7a. A first gutter 7 to be housed and a second gutter 7d for reducing the second product to the swing sorting body 6 via the reduction cylinder 7c are arranged, and are directed to the straw rack 64 portion of the swing sorting body 6 therebetween. And a blower fan 7e for blowing the sub-selection wind from below. [0007] Dust exhaust fan 5 installed at the rear of the body 1
Is a drum-shaped cross flow fan 52 in a fan case 51.
And both walls of the threshing machine A (threshing machine wall) 1a
The left side of the fan case 51 is supported by the longitudinal axis 53 so as to be openable and closable in an opening K formed to enter the rear part, and the right side is removably fastened to the machine wall 1a by a locking member (not shown). By releasing the locking member and opening it laterally around the longitudinal axis 53, the opening K can be switched to the open state in which it is opened. [0008] The culm treatment device C is mounted so as to be able to open laterally around the right vertical axis (not shown).
When the opening K is opened, it is widely opened together with the dust discharge fan 5 so as to form a double door, and the rear part of the body 1 is widely opened without any obstacles. The removal and assembling work of the threshing machine A can be performed easily and efficiently, and the maintenance work such as cleaning and inspection and maintenance inside the threshing machine A can be easily performed. As shown in FIG. 2, the rocking sorter 6 has a transfer plate 61 and a chaff sheave 62 between the left and right side walls 6a from the front, and a filter 8 below the chaff sheave 62. A first flow plate 63 for letting the first thing flow down to the first gutter 7 is inclined downward, and a number of straw racks 64 are protruded at the rear end of the first flow plate 63, and the A second flow plate 65 for allowing a second object to flow down to the second gutter 7d is inclined, and these are integrally framed. [0010] The swing sorter 6 having the above structure is
The front and rear portions are detachably supported by a support link 20 and a drive mechanism 10 which will be described later, and the supporting state thereof is configured to be releasable from the rear of the body 1. On a guide rail 1b protruding inside the two machine walls 1a, a later-described guide body 66 fixed to the front end of the swing sorting body 6 is slidably mounted.
Are slidably guided in the front-rear direction to easily perform the insertion and removal work. As shown in FIGS. 3 to 5, the swing sorting body 6 comprises:
The drive mechanism 10 is formed at the end of the link metal 11 while the bearing 12 of the link metal 11 is mounted on a passive shaft 65a attached along the back side of the second flow plate 65 of the swing sorting body 6. A flat mounting surface 14 having fitting projections 13, 13 on the front and rear sides is fitted to a flat surface 16 of a drive shaft 15 having a rectangular cross section which is pivotally supported on the body 1, and the stud bolt 1
It is detachably and stably and firmly and firmly fixed via the 7 and the taper nut 18. The drive shaft 15 has a drive link 15a fixed to an end thereof and an eccentric wheel 72 attached to the first spiral shaft 71.
By being connected and driven by the swing link 73, the swing sorting body 6 swings in the front-rear direction while being supported by the support link 20 in front of the swing sorting body 6. The first spiral shaft 71 is driven by a belt 76 wound around a pulley 71a provided at the shaft end of a second spiral shaft 75 around a pulley 71a provided at the shaft end. Since the swing link 73 is provided on the inner side of the pulley 71a of the shaft 71 via the eccentric ring 72, the swing link 73 is required when the belt 76 is replaced.
The belt can be easily replaced from the outside without removing the belt. The support link 20 is fixed to both sides of a support shaft 21 which is rotatably supported on the body 1 and has an upper end portion which engages with the locking portion 60 of the swing sorting body 6. The portion (engaging shaft) 22 is rotatably supported via a bearing 23. The locking portion 60 is provided on both side walls 6a of the swing sorting body 6.
The front of the mounting plate 60a is formed in a wedge-shaped notch which expands so as to allow a vertical range of the swing locus of the engagement shaft 22, and the engagement shaft 22 is formed at the inner end thereof. In the engaged state, the fixture 30 of the engagement / disengagement mechanism E described later is pressed and fixed so that it can be engaged / disengaged. Incidentally, the engaging shaft 22 is mounted on the machine wall 1a of the machine body 1.
A long hole 1h is formed so as to allow the swing range by inserting the hole. When the engaging shaft 22 is disengaged from the locking portion 60, the long hole 1h stops at one side in the long hole 1h. I have to. Thereby, at the time of reassembling the swing sorting body 6, the engagement of the locking portion 60 can be easily and reliably performed with the engagement shaft 22 held by the elongated hole 1h. The engagement / disengagement mechanism E is a coil-wound spring (elastic member) which is wound around the fixing member 30 on both sides of the rotating shaft 31 and fastened. The engaging shaft 22 is elastically sandwiched and fixed between the engaging shaft 22 and the engaging portion 60 of the mounting plate 60a by operating the operating tool 32. The operating tool 32 is an intermediate link 33 pivotally supported by a pivot 6c protruding from the swing sorting body 6.
An operation provided on the side wall 6a behind the swing sorting body 6 via a connecting rod (operating rod) 36b while being connected to a rotating piece 35 fixed to the end of the rotating shaft 31 via a connecting rod 34 The rotation shaft 31 is rotated by operating the operation lever 36 in connection with the lever 36, so that the spring 30 can be accurately engaged and disengaged from the rear of the body 1. The operating lever 36 is formed of a flat spring, and its base side is rotatably supported on a mounting shaft 6p protruding from a side wall 6a of the swing sorting body 6, and its upper end is laterally supported. The connecting rods 36b and 34 are connected so as to be able to push and pull by a bending portion 36a. The operating lever 36 also functions as a stopper member with the head of the mounting pin 37 serving as a stopper member.
By being removably fitted into the f-line 6g, the switching posture is switched between the fixing posture shown in FIG. 4 and the fixing releasing posture shown in FIG. 5A. Reference numeral 40 shown in FIG. 2 is a flexible transfer plate made of vinyl or rubber material attached to the lower end of the first flow plate 63 of the swinging sorter 6, the base of which is already mounted. A connecting member (wire) 41 attached to a lower portion of the intermediate link 33 described above.
And the lower end thereof is set so as to overlap the uppermost gutter flow plate 70 of the first gutter 7.
Is operated in the release direction, the intermediate link 33 pulls the wire 41 and transforms the transfer plate 40 into the lifting position A shown by the dotted line, and the insertion and removal of the swing sorting body 6 is performed. The operation can be performed easily and easily without damaging the plate 40. That is, when the swinging sorter 6 is taken out of the threshing machine A and inserted and mounted from outside the machine, the transfer plate 40 hangs down as shown by a dotted line B and becomes the first gutter flow plate 71. Or the second gutter flow plate 72 to prevent deformation and catching of the plate, thereby preventing the rocking separator 6 from being inserted and removed, and setting the set easily, reliably and efficiently. Have to be able to. The switching operation is performed by connecting the relay plate 40 to an appropriate switching member 43 such as a switching lever separately attached to the swing sorting body 6 as shown by a dotted line without interlocking with the intermediate link 33. You may comprise so that it may become possible. Next, the structure of the above-mentioned guide body 66 will be described with reference to FIG.
(B) will be described with reference to FIG. The guide body 66 is formed of a hard and abrasion-resistant synthetic resin material, and the front and rear side walls 6a of the swing sorter 6 are provided with the side walls 6a.
Gap closing plate (rubber seal) 6d attached along the upper edge
The swing sorting body 6 is separated upward from the guide rail 1b in the above-mentioned supporting state of the swing sorting body 6 in a state where the side surface thereof is close to the machine wall 1a. That is, the guide 66
Is a mounting portion 67 having a mounting hole 67a as shown in FIG.
When, side consists of a contact portion 66a which is protruded from the thick toward the side in plan view a at its lower end,該接hook part 66
a forms a downward semi-circular surface in the front view. In this embodiment, the guide body 66 is fixed to a mounting seat 6S having a screw hole protruding from a side wall 6a with a mounting screw 6N through the mounting hole 67a as shown in FIG. and as much as possible proximity to the side surface of the contact portion 66a to form a space H in Kikabe 1a between the guide member 66 and the side wall 6 a. Thereby, the contact portion 66a is moved to the machine wall 1a.
The guide rail 1b is formed so as to have a narrow width in a range where the arc-shaped surface of the contact portion 66a is in contact with the guide rail 1b, and a link member 62a of an angle adjusting mechanism of the chaff sheave 62 is provided in the space H. It is possible to be installed compactly without being hindered by the guide rail 1b. Further, abutment 66a of the guide member 66 forms an oblique surface 66b forming a contact portion 66a by the middle and high in a plan view before and after, and the contact part 66a is machine wall 1a The contact area in the case of contact is reduced as much as possible to suppress the contact noise and the like, and when the swing sorting body 6 is inserted between the two machine walls 1a, the slope 66b guides and guides the insertion. The moving sorting body 6 can be smoothly inserted and moved while preventing galling with the machine wall 1a during the insertion movement. In the illustrated example, the guide body 66 is mounted on the swing sorting body 6 via the mounting seat 6S. However, the guide body 66 is directly formed by integrally forming the mounting seat 6S portion with the guide body 66. You may make it attach to. When the swing sorting body 6 is in the swing supporting state, the machine wall 1a is slightly wider than the swing trajectory range on a portion of the machine wall 1a opposite to the swing trajectory range of the guide body 66. It is preferable to form a relief portion 1N such as a concave fitting portion or a notch hole. In this case, guide the rocking sorter 6 when the rocking sorter 6 swings with the contact portion 66a and the machine wall 1a as close as possible. Body 66
Since the contact between the two and the machine wall 1a can be reliably avoided, there is an advantage that the occurrence of noise impact and the like and the increase in the swing resistance due to the contact between the two can be easily prevented. With the above configuration, the handling room 2 and the processing room 2e
The threshed in the above step leaks from the handling net 2b, the processing net 2d, etc., and is sorted on the swing sorting body 6 by the swinging motion and the sorting action by the sorting wind. 63 is stored in the grain tank 7b via the first gutter 7 and the fryer cylinder 7a, and the second product after sending long debris such as straw from the straw rack 64 toward the sorting wind path F is: From the second flow plate 65 through the second gutter 7d and the return cylinder 7c, and is returned to the front of the swing sorting body 6 to be re-sorted. Dust generated from the above-mentioned debris and the like generated inside the machine is guided along the rear wall of the fan case 51 by the sorting wind formed by the blower fan 4 and the dust fan 5, and is discharged outside the machine by the dust fan 5. It is quickly sucked and discharged toward. In such a threshing machine, the swing sorter 6
Alternatively, when performing maintenance work such as cleaning and inspection and maintenance inside the machine by taking out the swinging sorting body 6 out of the machine, the culm disposal device C is opened to the side and the dust exhaust fan 5 is moved to the vertical axis 53. The support link 20 and the drive mechanism 10 are fixed from the opening K at the rear of the body 1 which is opened to the side opposite to the side on which the culm processing device C is opened with the fulcrum as a fulcrum. At the same time, the swing sorting body 6 in the released state is put on the guide rail 1b and pulled out rearward. That is, as shown in FIG.
By disengaging the second operating lever 36 from the side wall 6a and rotating the operating lever forward, the spring 30 is rotated in a solid line state via each link of the engagement / disengagement mechanism E to release the locking portion 60. Release the fixing of the engagement shaft 22 by pressing, and then drive mechanism 1
By releasing the connection between the metal link 11 and the drive shaft 15, the connection between the locking portion 60 and the engagement shaft 22 is separated, and the swing sorting body 6 is set in a free state, and The lower surface of the guide body 66 is slid while being supported and guided by the guide rail 1b, and is smoothly pulled out backward from the opening K to efficiently and safely perform the cleaning operation of the swinging sorter 6 and the threshing machine A. After the maintenance work is completed, the swing sorting body 6 is easily positioned and fixed from the opening K by performing the operation reverse to the above, and the dust discharging fan 5 is mounted.
By setting the culm processing apparatus C to the original working position, the threshing work can be satisfactorily performed again. At this time, the inserting / removing operation of the swing sorting member 6 is performed by the guide members 66 formed on both sides made of a synthetic resin material.
a is supported favorably in a state where the side surface of the a is close to the machine wall 1a, and a slope 66 is provided before and after the middle and high contact portion 66a.
Since the contact area with the machine wall 1a is reduced while forming b, the swing sorter 6 can be smoothly slid and moved while preventing the occurrence of galling or the like, and a series of maintenance work can be performed. It can be performed easily and efficiently. Since the present invention is configured as described above, the following effects can be obtained. According to the first aspect of the present invention, when the swing sorter is taken out and mounted, the guide body is provided on the swing sorter with the side surface made of synthetic resin material close to the threshing machine wall. As a result, the swing sorter can be smoothly slid on the guide rail in a state where the swing sorter is accurately positioned and guided, and the insertion / removal operation can be performed easily and efficiently. In addition, since the guide body is formed in a block shape by a synthetic resin material and is fixed to the swing sorting body,
Since the structure can be made simple and inexpensive without complicating the structure unlike the conventional rotating roller, the width of the guide rail can be made as narrow as possible. A free space can be formed between the sorting body and the sorting body. Then, the side surface of the guide is protruded to a middle height in plan view.
By out not to form a contact portion, it is possible to prevent galling between the thresher wall slid smoothly moved on the guide rail when inserting and removing the oscillating sorting member, oscillating sorting body Even when the guide body comes into contact with the threshing machine wall at the time of swinging, the generation of loud noise and the like can be suppressed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view of a threshing machine according to the present invention. FIG. 2 is a side sectional view of a swing sorting body. FIG. 3 is a cross-sectional plan view showing a mounting configuration of a swing sorting body. FIG. 4 is a side view showing a state in which the swing sorting body is fixed by an engaging / disengaging mechanism. FIG. 5A is a side view showing a released state of the swing sorting body by an engagement / disengagement mechanism. (B) is a sectional side view showing a configuration of a guide rail portion of the swing sorting body. (C) is a perspective view showing the configuration of the drive mechanism. FIG. 6A is a plan view showing a mounting structure of a guide body.
(B) is a perspective view of a guide. (C) is a bottom view of the guide. [Description of Signs] 1 Body 1a Machine wall (threshing machine wall) 1b Guide rail 1N Relief section 2 Handling room 6 Swing sorting body 6a Side wall 10 Drive mechanism 20 Support link 22 Engaging section (engaging shaft) 30 Fixing tool ( Spring) 66 Guide 66a Contact portion 66b Slope A Threshing machine K Opening

Continuation of the front page (72) Inventor Takao Komura 667-1, Iya-cho, Oaza, Higashiizumo-cho, Yatsuka-gun, Shimane Prefecture Mitsubishi Agricultural Machinery Co., Ltd. -4140 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) A01F 12/32

Claims (1)

(57) [Claims 1] A swing sorting body (6) installed below a handling room (2) is swung in the front-rear direction by a drive mechanism (10) and a support link (20). A guide rail ( 6) which is movably supported and detachably supported, and has a swinging body (6) provided with a guide (66) provided on the swinging sorting body (6) protruding from a threshing machine wall (1a). this is slid in a state of being supported and guided by 1b)
In the threshing machine configured to be able to be inserted and removed from the rear side of the machine body (1) , the guide body (66) is formed in a block shape from a synthetic resin material , and the side surface thereof is viewed in plan.
The contact portion (66a) is formed by projecting to the middle and high, and
Front side of both side walls of the contact part (66a) and with the proximity to the left and right threshing machine wall (1a), the swing sorting body (6) (6a)
An attaching / detaching device for a swing sorter in a threshing machine characterized by being fixed to a surface.