JP2001299062A - Attachment for shaking separator in threshing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a shaking separator attachable to or detachable from a shaking link only by pushing or pulling the shaking separator in the longitudinal direction to a machine body. SOLUTION: In a threshing machine 10, the shaking separator 32 is detachably attached at the rear edge with bolts, or the like, by a driving link 58, while the front end side is detachably set to a shaking link 62 by a detaching means 60, the shaking separator 32 is supported with these driving link 58 and the shaking link 62 shakably in the longitudinal direction of the machine body. The detaching means 60 is equipped with a locking spring 70 that can nip and hold a shaking shaft 74, and the lock spring 70 is supported by a cantilever and the front edge side is fixed to a guide plate 66. Thus, when the shaking separator 32 is connected to the shaking link 62 by pushing the machine body forward, stabilized locking load is obtained without anxiety that the front edge side of the locking spring 70 moves until coming into contact with other materials.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for attaching and detaching an oscillating sorter, and more particularly to an apparatus for attaching and detaching an oscillating sorter in a threshing machine in which the oscillating sorter can be attached and detached only by pushing and pulling operations.

[0002]

2. Description of the Related Art A harvested culm is threshed in a handling room in which a handling drum is housed, and the threshed grain is leaked through a sorting net and is rocked and sorted by a rocking sorter. The swing sorting body is swingably and detachably supported by the drive link and the swing link. By the way, when the sorting net or the like needs to be cleaned due to clogging or maintenance in the threshing machine is performed, the rear of the threshing machine is opened and the swinging sorting body is pulled out from the opening to the rear of the machine, Cleaning and maintenance work of the rocking sorter and the threshing machine are performed.

FIG. 15 shows a conventional example of the above-mentioned swinging / separating body attaching / detaching apparatus. A swinging / separating body 100 includes a driving link 101 at a rear part of a body and a swinging link 102 at a front part of a body.
When the eccentric wheel 106 fixed to the first spiral 110 is driven, the drive link 101 swings back and forth through the rod 105. When an operation lever (not shown) provided at the rear of the machine body is operated, a detachable mechanism 103 provided at the front of the swing sorting body 100 is operated, and a hook claw 107 described later is engaged with the swing shaft 104. Be separated. The attachment / detachment mechanism 103 has a hook claw 107 as shown in FIGS.
Is rotatable about a rotation shaft 108, the rod 109 is pulled in the direction of the arrow by the tilting operation of an operation lever (not shown), and the hook claw 107 is disengaged from the swing shaft 104 (hereinafter, referred to as “the former”). Conventional example ").

As another conventional example, for example, FIG.
As shown in FIG. 20, the swing sorting body 100 has a rear part and a front part swingably supported by a drive link 101 and a swing link 102, and is fixed to the front part of the swing sorting body 100. A concave portion 111a is formed in the plate 111, and a lock spring 112 having a cantilever structure opposed to the concave portion 111a is attached.
Is bent downward to form an opening through which a swing shaft 104 fixed to the swing link 102 can be inserted (hereinafter, referred to as "the conventional example of the latter").

[0005]

However, according to the former conventional example, the attaching / detaching mechanism 103 has the hook claw 107, and the hook claw 107 is operated via the rod 109 by the tilting operation of the operation lever. Because it was a structure to let
Because the structure becomes complicated and the operating lever must be operated each time the swinging sorter 100 is attached and detached,
There were problems such as complicated lever operation.

Further, according to the latter conventional example, the front portion of the swing sorting body 100 is fitted and held on the swing shaft 104 of the swing link 102.
When the rocking shaft 104 is fitted between the lock shaft 11a and the bent portion 112a formed on the free end side of the lock spring 112, the free end side of the lock spring 112 is expanded and inserted (FIG. 18). reference). After the swing shaft 104 was inserted, the swing shaft 104 was pressed and locked by the elastic force of the lock spring 112 (see FIG. 19).
Because the lock spring 112 has a cantilever structure, the bent portion 112a on the free end side of the lock spring 112 is displaced when pushing the swing sorting body 100 forward of the fuselage and interferes with the other portion, or due to excessive force. Deformed,
There was a problem that a sufficient lock load could not be obtained.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and an object of the present invention is to swing the swing sorting body only by pushing and pulling the swing sorting body in the longitudinal direction of the machine. An object of the present invention is to provide an attaching / detaching device for a swing sorting body in a threshing machine detachable from a dynamic link.

[0008]

In order to achieve the above object, the invention according to the first aspect is characterized in that one end in the front-rear direction of a swing sorting body (32) installed below a handling room (20) is provided. And detachably attached to the drive link (58), and the other end in the front-rear direction is engaged with the swing link (62) via the engagement / disengagement means (60) fixed to the swing sorting body (32). The drive link (58) and the swing link (6) are detachably mounted.
In the threshing machine (10) in which the swing sorting body (32) is swingably arranged in the longitudinal direction of the machine according to 2), the engaging / disengaging means (60) swings the swing link (62). An elastic lock member (70) capable of holding the member (74) by an elastic pressure; and fixing at least a front end side of the elastic lock member (70) to the swing sorter (32). The swing sorting body (32) can be attached to and detached from the swing member (74) by pushing and pulling the moving sorting body (32) in the longitudinal direction of the machine.

The invention according to a second aspect is characterized in that both ends of the elastic lock member (70) are fixed to the swing sorter (32), respectively.

According to a third aspect of the present invention, the front end side of the elastic lock member (70) is fixed to the swing sorting body (32), and the rear end side is a free end. .

[Action] Threshing machine (1) to which the present invention is applied
0) is a member in which one end in the front-rear direction of the swing sorting body (32) is detachably attached by a drive link (58), and the other end in the front-rear direction is fixed to the swing sorting body (32). By being detachably attached to the swing link (62) via the detaching means (60), the swing sorter (32) can be moved forward and backward by the drive link (58) and the swing link (62). The swinging member (60) is supported so as to be able to swing freely in the direction.
4) An elastic lock member (7) capable of holding the pressure by elastic pressure.
0), and at least the front end side of the elastic lock member (70) is fixed to the rocking sorter (32). For example, the rocker sorter (32) is pushed forward from the rear of the fuselage. Sometimes, the front end side of the elastic lock member (70) moves like a free end and abuts on another member,
Alternatively, there is no possibility of deformation due to being caught by another member, so that a stable lock load can be obtained.

Further, even if the left and right sides of the swing sorting body (32) are slightly displaced up and down due to an assembly error and the like, the swing member (74) is acted on by the elastic pressure of the elastic locking member (70). Can be easily inserted into the insertion slot,
Therefore, it can be easily attached and detached only by pushing and pulling in the longitudinal direction of the fuselage.

Note that the reference numerals in parentheses described above are for the purpose of comparing the drawings, and do not limit the present invention in any way.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows the structure of a threshing machine mounted on a combine. This threshing machine 10 has a traveling machine body 12 supported by a traveling device (not shown).
A grain tank 14 for temporarily storing grains is disposed behind one of the left and right sides. A threshing unit 16 is provided on the left and right sides of the traveling body 12, and a preprocessing unit (not shown) is provided in front of the traveling body 12 so as to be able to move up and down.

In the threshing unit 16, a handling room 20 accommodating a handling drum 18 is formed, and a feed chain 22 is stretched along the side of the handling room 20 in the longitudinal direction of the machine. Then, the grain stalks harvested in the pre-processing unit are conveyed to the threshing unit 16 by the feed chain 22 and supplied to the handling room 20, where they are threshed by the handling cylinder 18 in the handling room 20. On the other hand, on the rear end side of the feed chain 22, a waste straw 24 is continuously provided, and the treated waste straw is:
It is taken over and processed by a waste straw processing device 26 installed at the rear of the machine.

A receiving net 19 is disposed below the handling cylinder 18 accommodated in the handling chamber 20, and a processing cylinder 28 and a processing net 29 are provided below the processing cylinder 28 on the tip side behind the handling cylinder 18. Are provided in series. These handling rooms 20
In the lower part of the processing chamber 30, a separation air path A is selected by a blower fan 25 and a dust discharge fan 27 disposed in front and rear of the machine, respectively.
Are formed.

An oscillating sorter 32 is mounted in the sifting air passage A so as to be able to swing back and forth, and below the oscillating sorter 32, the receiving net 19 and the processing net 29 leak. The first gutter 38 for storing the obtained kernels in the Glen tank 14 via the frying cylinder 34 and the second gutter for reducing unsorted kernels to the rocking sorter 32 via the reduction cylinder 40 42 are provided. Further, a blower fan 46 for blowing a sorting wind from below toward a straw rack 44 at the rear of the swing sorting body 32 is provided at an intermediate position between the first gutter 38 and the second gutter 42.

The waste straw processing device 26 is mounted so as to be rotatable about the longitudinal axis and openable to the side. When the waste straw processing device 26 is opened,
The swing sorting body 32 can be easily attached and detached by rotating together with the dust exhaust fan 27.

The oscillating sorter 32 has a transfer plate 48 and a chaff sheave 5 between its left and right side walls.
0 is provided, a crimping net 52 is stretched below the chaff sheave 50, and a first flow plate 54 is further provided below the crimping net 52 in an inclined manner, and a rear end of the first flow plate 54 is provided. The portion is provided with the straw rack 44.

As shown in FIG. 2, the swing sorter 32
Is supported by a drive link 58 and a swing link 62 that are swingably provided at a rear portion and a front portion of the fuselage, respectively, so as to be swingable in the longitudinal direction of the fuselage. In order to mount the swing sorting body 32 by pushing it forward from the rear of the body, the swing sorting body 3
2. Rail guides 55 fixed to the left and right sides in the width direction
Are slid forward along the guide rails 59 while placed on the upper surfaces of the guide rails 59 fixed to the left and right body side plates 56, respectively. Then, at a position where the rail guide 55 is separated from the guide rail 59, the swing sorting body 32 is engaged with the drive link 58 and the swing link 62 so as to swing back and forth.

The left and right body side plates 56 on the front end side of the body
Between the 56, a stopper plate 88 is suspended,
When the swing sorter 32 is mounted by being pushed forward from the rear of the fuselage, the swing link 62 is pushed forward and swings, and is engaged with the swing sorter 32 at a position where it contacts the stopper plate 88. You. Also, the left and right fuselage side plates 56, 5 at the front of the fuselage.
Stopper pins 89, 89 protrude from the inside of the body 6, respectively. When the swing sorting body 32 is pulled backward from the front of the body and removed, the swing link 62 is connected to the stopper pins 8
9 is separated from the swinging sorter 32 at the position where it abuts on 9.

As shown in FIGS. 3 and 4, the drive link 58 provided at the rear of the body has a rotation fulcrum shaft 61, a swing arm 83 and a connection arm 81, and drives the drive link 58. The spiral shaft of the first gutter 38 (not shown)
A belt (not shown) is wound between the pulley 80 and the upper pulley 80. The eccentric shaft 79 of the pulley 80 and the swing arm 83 are connected via the connecting arm 81 and a pin 82, and the swing arm 8 is rotated with the rotation of the pulley 80.
3 swings back and forth about the pivot shaft 61.

A support member 85 substantially parallel to the rotation fulcrum shaft 61 and rotatably supported by a bearing 84 is disposed at a rear portion of the swing sorter 32. Left and right connecting members 86 are integrally fixed to the rotation fulcrum shaft 61 by bolts 87. Therefore, when the pulley 80 rotates, the swing arm 83 swings back and forth around the rotation fulcrum shaft 61 via the connecting arm 81, and accordingly, the support member 85 moves forward and backward through the connecting member 86. Rocks in the direction. The swing sorting body 32 is integrally fixed to the support member 85 by a bolt (not shown), and the swing sorting body 32 swings in the longitudinal direction of the machine by swinging of the support member 85.

Further, on the front end side of the swing sorting body 32 in the longitudinal direction of the machine, a disengaging means 6 fixed to the swing sorting body 32 is provided.
The front of the swing sorting body 32 is attached to the swing link 62 which is swingable about a fulcrum shaft 63 by the engagement / disengagement means 60.

In this embodiment, the engaging / disengaging means 60 has an elastic lock member capable of holding the swing member of the swing link 62 by elastic pressure. At least the front end side is fixed to the swing sorting body 32, and the swing sorting body 32 is detachable from the swing member by pushing and pulling the swing sorting body 32 in the longitudinal direction of the machine.

As shown in FIG. 5, the swing link 62
Has a fulcrum shaft 63 rotatably supported by the body side plate 56 via a bearing 75, and a swing shaft 74 arranged substantially parallel to the fulcrum shaft 63.

As shown in FIGS. 6 to 8, guide plates 66, 66 are fixed to left and right side walls 64, 64 of the swing sorting body 32 by bolts 65, respectively. A notch recess 66a is formed on the front end side, and a spring washer 67a and a flat washer 6 are attached to the bolt 68 implanted in the guide plate 66.
A cantilevered lock spring (elastic lock member) 70 is mounted via the collar 7b and the collar 69 (see FIG. 8). The engaging / disengaging means 60 has the guide plate 66 and the lock spring 70, and the notch recess 66a
A rocking shaft 74 described below is inserted between the upper surface of the lock shaft 70 and the lock spring 70 to hold the rocking shaft 74 with pressure. The lock spring 70 has a front end on the guide plate 6.
6 is fitted and locked in a spring locking hole 72, the intermediate portion is wound and formed into a coil shape, the rear end side is a free end, and is inclined and rearwardly inclined.

As shown in FIGS. 6 and 7, the lock spring 70 is cantilevered and has a bent portion 7 which is bent substantially horizontally in the middle of the free end inclined obliquely backward.
0a is formed. With this, when the swing sorting body 32 is pushed forward from the rear of the fuselage and mounted,
Even if the left and right sides of the swing sorting body 32 are slightly displaced in the vertical direction, the swing shaft 74 is
a and the insertion portion 71 formed by the bent portion 70a.

As described above, according to the present embodiment, FIG.
In the above, when the swing sorter 32 is pushed forward from the rear of the machine body, a swing shaft 74 is guided to the insertion port 71 provided at the tip end of the swing sorter 32, and the swing shaft 74
Due to the pushing force at this time, the body moves integrally with the swing sorting body 32 forward. Here, when the swing sorting body 32 is further pushed forward, the swing shaft 74 also swings about the fulcrum shaft 63, and the swing shaft 74 eventually becomes the body side plates 56,5.
The swinging shaft 74 is stopped by abutting against the stopper plate 88 laid between the six, against the elasticity of the lock spring 70.

FIGS. 9 and 10 show the engagement / disengagement means 60 described above.
9 shows another embodiment of the present invention.

According to this embodiment, the engagement / disengagement means 6
Reference numeral 0 has a guide plate 66, a lock spring 76, and a holder 77 for holding the lock spring 76. The lock spring 76 has a front end side and a rear end side in the front-rear direction of the fuselage, which are fitted and locked in spring locking holes 72 and 78 formed in the guide plate 66 to form a curved double-supported structure. In addition, a curved portion 76a that is curved downward is formed in an intermediate portion of the double-ended spring. The curved portion 76a and the notch recess 6
The above-described swing shaft 74 is inserted between the upper surface of the shaft 6a and the upper surface of the swing shaft 74, and is held by squeezing. Also, the lock spring 76
The curved portion 76a is held between the guide plate 66 and the holder 77 so as not to be separated from the guide plate 66 to the side.

According to this embodiment, since the lock spring 76 has a two-sided structure, when the swing shaft 74 is inserted, it can be deformed to prevent opening and the like, and a stable lock load can be applied. Obtainable. When the lock springs 76 are mounted on the guide plates 66 on the left and right sides of the fuselage, respectively, the shape of the lock springs 76 is substantially symmetrical when viewed from the front. A product can be used, and the number of parts can be reduced.

Next, the operation will be described.

When cleaning or maintenance of the swing sorting body 32 is performed, the waste straw processing device 26 is opened to the side, and as shown in FIG. Then, the bolt fixed to the support member 85 is removed, and then the rail guide 55 of the swing sorting body 32 is put on the guide rail 59 and pulled out to the rear of the machine. in this case,
As shown in FIGS. 5 and 7, the swing shaft 74 supported between the machine body side plates 56 is sandwiched between the notch recess 66 a on the front end side of the swing sorting body 32 and the lock spring 70. When the swing sorter 32 is pulled rearward, the swing link 62 also swings rearward with the swing sorter 32 about the fulcrum shaft 63. When the swing sorting body 32 is further pulled rearward, the swing link 62 comes into contact with the stopper pin 89, and then the swing shaft 74 is separated from the notch recess 66a and the lock spring 70. Thus, the swing sorting body 32 can be easily detached and pulled out simply by pulling the swing sorting body 32 rearward, and the pulled swing sorting body 32 is cleaned or maintained outside the machine, and the operation is completed.

After the work is completed, the swing sorting body 32 is mounted on the body again. In this case, the rail guide 55 on the swing sorting body 32 side is connected to the guide rail 59 on the machine body side plate 56 side.
, And push the swinging sorting body 32 forward in the opposite direction to the above. Then, as shown in FIG. 6, the swing sorter 32 moves along the guide rail 59, and the swing shaft 74 comes into contact with the insertion port 71 provided at the front part thereof. Reference numeral 62 abuts against a stopper plate 88, and the swing shaft 74 is inserted between the notch recessed portion 66 a and the bent portion 70 a of the lock spring 70 to be squeezed and held. In this case, the lock spring 70 is cantilevered,
Since the front end side is fixed to the guide plate 66, there is no possibility that the front end side moves and abuts on other members or is deformed by being caught, so that a stable locking load can be obtained. After the portion is engaged with the swing shaft 74, the rear end side of the swing sorting body 32 is fixed to the support member 85 of the drive link 58 with a bolt. Finally, the waste straw processing device 20 opened to the side is returned to the original position, and the operation is completed.

Next, FIG. 11 shows a component-up structure of the threshing machine 10.

In the figure, the handling chamber 20 in which the handling cylinder 18 is accommodated is covered by a cylinder cover 90. The cylinder cover 90 is provided with brackets 92a, 92b provided at the front and rear of the handling chamber 20. As a result, it is supported rotatably about the fulcrum shaft 91. The cylinder cover 90 can be opened and closed with a single touch about a fulcrum shaft 91 by a gas spring (air cylinder) 93. In order to prevent the cylinder cover 90 from being twisted due to the weight of the handling cylinder 18 and the like, it is preferable to provide two gas springs 93 before and after the body of the handling chamber 20, however, the cost increases.

Therefore, in the present embodiment, FIGS.
As shown in FIG. 4, the cylinder cover 90 is connected to the outer pipe 94 by brackets 92a and 92b provided on the front and rear sides of the body of the handling room 20, and the outer pipe 94 is provided at a substantially middle position between the brackets 92a and 92b. Oval hole 94a
Is formed. An inner pipe 95 is disposed inside the outer pipe 94, and the outer pipe 94 and the inner pipe 95 are supported rotatably about a fulcrum shaft 91. The inner pipe 95 is provided with a pin 96 protruding from the oblong hole 94a, and one end of the inner pipe 95 (in the vicinity of the rear bracket 92b) via an arm 97. Gas spring 93 is provided.

As described above, in order to lift (open) the cylinder cover 90, when the lock of the cylinder cover 90 is released (not shown), the inner pipe 95 moves about the fulcrum shaft 91 by the force of the gas spring 93. Pivots,
At the same time, a pin 96 provided in the inner pipe 95 rotates the outer pipe 94 through the oblong hole 94a. At this time, the gas spring 93 applies a rotating power to the outer pipe 94 at substantially the center of the front and rear brackets 92 a and 92 b supporting the cylinder cover 90,
When the cylinder cover 90 is lifted, the cylinder cover 90 can be prevented from being twisted due to the weight of the handling cylinder 18.

[0041]

As described above, according to the first aspect of the present invention, at least the front end side of the elastic lock member capable of holding the rocking member of the rocking link by the elastic pressure is rocking sorter. For example, when the swing sorting body is pushed forward of the fuselage to engage with the swing link, the front end side of the elastic lock member moves like a free end and abuts on another member or is caught. Therefore, there is no possibility of deformation and a stable lock load can be obtained.

According to the second aspect of the present invention, since both ends of the elastic lock member are fixed to the swinging sorter to support both ends, the swinging sorter is pushed and pulled in the longitudinal direction of the machine. In addition, it is possible to prevent the both ends of the elastic lock member from being deformed due to contact with or being caught by another member like a free end, and a stable lock load can be obtained. Further, since the elastic lock members can be configured to be substantially symmetrical in the left and right directions when viewed from the front, the same elastic lock members are used when the elastic lock members are disposed on the left and right sides of the swing sorting body, respectively. Can be.

According to the third aspect of the present invention, the front end side of the elastic lock member is fixed to the swing sorting body, and the rear end side is a free end. Therefore, for example, the swing sorting body is pushed forward to swing the body. When engaging with the dynamic link, the front end side of the elastic lock member is fixed, and there is no possibility that the elastic lock member will be deformed by contacting or catching with another member unlike the free end, so that a stable lock load can be obtained. .

[Brief description of the drawings]

FIG. 1 is a schematic sectional side view of a threshing machine to which the present invention is applied.

FIG. 2 is a sectional side view of a main part of the above.

FIG. 3 is a plan view of a rear part of the swing sorter according to the first embodiment.

FIG. 4 is a cross-sectional side view including the swing sorter according to the first embodiment.

FIG. 5 is a plan view of a front part of the swing sorter according to the first embodiment.

FIG. 6 is a side view showing a state before the swing link is engaged with the engaging / disengaging means fixed to the front portion of the swing sorting body.

FIG. 7 is a side view showing a state after the swing link has engaged with the engaging / disengaging means fixed to the front portion of the swing sorting body.

FIG. 8 is a view showing a state in which a lock spring is attached by bolts or the like.

FIG. 9 is a side view showing another embodiment of the lock spring.

FIG. 10 is a plan view of the same.

FIG. 11 is a diagram showing a component up structure of the threshing machine.

FIG. 12 is a fragmentary plan view of the same main component.

FIG. 13 is a sectional side view of the same.

FIG. 14 is a diagram showing an improved example of a component-up structure of a threshing machine.

FIG. 15 is a view showing a conventional example of an engaging and disengaging means of the swing sorting body.

16A is a side view showing a state before the swing link is engaged with the engaging / disengaging means, and FIG. 16B is a side view showing a state after the swing link is engaged with the engaging / disengaging means. FIG.

FIG. 17 is a view showing a conventional example of a swing sorting body swingably supported by a threshing machine.

FIG. 18 is a side view showing a state before the swing link is engaged with the engaging / disengaging means.

FIG. 19 is a side view showing a state after the swing link is engaged with the engaging / disengaging means.

FIG. 20 is a sectional plan view of the same.

[Explanation of symbols]

 Reference Signs List 10 threshing machine 20 handling room 32 swing sorting body 58 drive link 60 engaging / disengaging means 62 swing link 63 fulcrum shaft 64 side wall 66 guide plate 70 lock spring (elastic lock member) 70a bent portion 74 swing shaft (swing member)

Claims (3)

[Claims] 1. A swing sorting body installed below a handling chamber has one end in the front-rear direction detachably attached to a drive link, and the other end in the front-rear direction is fixed to the swing sorting body. A threshing machine comprising a swinging link that is detachably attached to a swinging link via an engaging and disengaging means, and the swinging sorting body is swingably arranged in the longitudinal direction of the machine by the driving link and the swinging link. The means has an elastic lock member capable of holding the rocking member of the rocking link by elastic pressure, and fixing at least a front end side of the elastic lock member to the rocking sorter; The swing sorting body is attached to and detached from the swing member by pushing and pulling the body in the longitudinal direction of the machine, and the swing sorting body is attached to and detached from the swinging member. 2. The attaching / detaching device of a swing sorter in a threshing machine according to claim 1, wherein both ends of the elastic lock member are fixed to the swing sorter. 3. The swing sorter according to claim 1, wherein a front end side of the elastic lock member is fixed to the swing sorter and a rear end side is a free end. Detachable device.