JP2554187Y2 - Threshing machine net locking device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device for a receiving net in a threshing machine mounted on a combine or a harvester.

[0002]

2. Description of the Related Art In some cases , the receiving net of a threshing machine mounted on a combine or the like is replaced with a different one according to the type and variety of a harvested crop such as rice and wheat. When the clogging or the straw scraps are wound around the scissors, it is necessary to remove the receiving net from the airframe and clean it. Therefore, the receiving net is generally detachably attached to the airframe. Especially,
When threshing wet materials to which rain or dew has adhered, straw chips and the like are easily attached or clogged to the mesh of the receiving net, and once clogging occurs in the receiving net, the leakage performance of the grain deteriorates. However, since the residence time of the handled material in the handling room is prolonged, grain scattering and grain damage occur frequently, and the sorting performance is reduced. Therefore, maintenance of the receiving net etc. is performed regularly, and removal of clogging and wrapping of straw waste (cleaning)
It is desirable that the work be performed each time without any trouble.Because of this requirement, recently, the mounting structure that allows easy attachment and detachment of the receiving net has been mainstream. A mounting structure that is set in a removable and detachable manner along the circumferential direction is often used.

[0003]

In order to position and fix the receiving net in an appropriate set state, the receiving net having the above-described mounting structure is generally integrally formed so as to protrude upward from the drawing start end side of the receiving net. A method is adopted in which the protruding end of the plate is clamped to the machine body via a fastening bolt and a holding plate or the like, or is fixed by operating a lock lever or the like provided on the machine body. Therefore, not only the need for a separate special private parts and the attachment member in order to lock the受網, THRESHER outside
Adjusting the gap between the tip of the tooth treatment implanted in the circumference and the receiving net
Was impossible, so correct the assembly and manufacturing errors, etc.
Can not be obtained a uniform gap's, also there <br/> be unintentionally forgetting to lock after setting the受網, receiving the start working without locking the受網There is a problem that the net is loose and the proper gap between the tip of the tooth handling and the receiving net is adversely affected, and the desired shedding action is impaired.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and is provided in front of a handling room.
The connection between the side plate and the rear side plate is integrated with the handling room frame,
And in受網along the circumferential direction of the threshing drum the抽挿and detachably formed by mounting thresher, 受網frame of the受網
At the drawer start end, a plate that can be adjusted
Kicking other hand, openable cylinder cover in the vertical direction, the upper
An elastic body is provided so as to face the draw-out starting end side of the receiving net, and when the cylinder cover is in a closed state, the above-mentioned plate does
When the elastic body comes into contact with the drawing end of the receiving net and presses the receiving net, the receiving net is locked .
And solve the problems described above be configured such that.

[0005]

When replacing or cleaning the receiving net, when the cylinder cover is opened, the elastic for locking the receiving net also pivots and retracts upward integrally with the cylinder cover, automatically locking the receiving net. is released, also the elastic member when closing the cylinder cover is Setto elastically against the drawer beginning of受網
On the other hand, a plate integrated with the receiving net frame
By contacting, the gap between the tip of the tooth treatment and the receiving net is made uniform.
Then, the drawer starting end side of the receiving net is an elastic body and a handling room frame.
To fix the receiving net accurately and accurately.
In addition to the actual operation, it is possible to easily and quickly attach and detach the receiving network .

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of the present invention will be described with reference to an embodiment shown in the drawings. In the figure, A is an upper-handed threshing machine mounted on a combine or the like, which is a threshing section B composed of a feed chain 1, a handling cylinder 2 and a processing cylinder 3, and the first thing (grain) threshed by the threshing section B. ), double-dip of such ears breakage or branches梗付wear particle sorting unit C to release by selecting culms breakage or third of such Warakuzu (Haichiributsu) object to be processed such as the current grain or outside It consists of. 2a is a handling room, 2b is a dust outlet, 3a is a processing room, and 3b is a processing room receiving net. Now, in the sorting air path D of the sorting section C, a swing sorting body 4 incorporated in a frame-like swing body 4a is disposed, and is substantially parallel to the grain culm transport direction by the feed chain 1. Separation and sorting of the first object, second object, dust, etc. is performed while conveying the object. That is, a non-porous transfer plate (corrugated plate in the illustrated example) 6 is provided below the handling room receiving nets 5 and 5a and above the start end side of the sorting air path D, and below the transfer plate 6 A chaff sheave 8 and a Glen sheave 9 constituted by a plurality of horizontal bars 7 whose eye contact can be adjusted.
Are arranged vertically, and a straw rack 10 is provided in front of the grain sheave 9 so that they swing integrally in the front-rear direction. The Glen Sheave 9 has a non-perforated transfer plate 9a in the first half and a crimp net 9b in the second half.
A non-porous transfer plate 9c is interposed between a and 9b so as to be able to move forward and backward freely. 11 is Karamin, 12 is No. 1 spiral, 13 is No. 2 spiral, a first compressed air fan 14 is provided below the starting end of the crimp net 9b, and a 2nd spiral is between the 1st spiral 12 and the 2nd spiral 13. Each of the compressed air fans 15 is provided. 16 is a suction fan, 17 is a straw chain, 18 is a second reduction cylinder, 19
Is a No. 4 flow plate, 20 is an outlet, and A is a sorting style. 21
Is a cylinder cover that covers the upper part of the handling room 2a, and is attached to the body so as to be openable and closable up and down around the support shaft 22.

The receiving net 5 of the handling room 2a is formed in a U-shape which is fixed to the inner wall surfaces of the front side plate 24 and the rear side plate 25 of the handling room 2a integrally connected by a handling room frame 23 made of a square pipe. 4 is drawn and detachably attached in the direction of arrow B in FIG. 4 along the circumferential direction of the handling cylinder 2 via a guide rail (not shown). As shown in FIG. 5, the other receiving net 5a continuously connected in the circumferential direction can be detached from the opposite side of the receiving net 5 by a switching operation of the operation lever 27. Reference numeral 28 denotes a receiving network frame on which the crimping network a is extended.
Is bent outward at a substantially right angle, and an L-shaped plate 30 is provided on the bent portion 29 and fixed together by bolts 31 and nuts 32.
Is adjustable in the direction perpendicular to the outer peripheral surface of the receiving net 5 within the range of the elongated hole 33. 34 is a resilient member provided on the cylinder cover 21 to face the drawer starting end side of受網5,受網5 elastic body 34 is in contact with the starting end side and pull-out of受網5 in the closed state of the cylinder cover 21 Is configured to be locked. In this embodiment, the bolt 35 with the rubber 34a is connected to the base side plate 21a of the cylinder cover 21.
Is screwed into a fixed nut 36 so as to be able to advance and retreat in a lower portion of the cylinder frame 21. When the cylinder cover 21 is closed, the rubber 34a
Is formed so as to elastically abut against the front side of the bent portion 29 to position and hold the receiving net 5 at an appropriate set position. However, any material other than rubber may be used as long as it has an elastic action. For example, as shown in FIG.
The rod 38 is slidable on the hollow guide 37 fixed to the side
Fitting inserted, it may be caused to interposed cookie Chillon spring 39 between the guide 37 and the rod 38. Reference numeral 40 denotes a retaining pin. 4 and 6, the opposing surfaces of the receiving frame 28 and the elastic body 34 are contacted in a slightly inclined state as shown in FIG. 4 and FIG. The movement of the receiving net 5 to the outside is regulated by adjusting the plate 30 within the range of the long hole 33 and abutting the corner on the corner of the handling room frame 23 . the gap between the tip and受網5 are uniformly be so that consideration, the positioning action of受網5 is adapted to be performed more accurately and reliably. The elastic body 34 is wide in the width direction of the receiving net 5, or in the case of the embodiment, the elastic body 34 is provided by providing two or more elastic bodies 34 at appropriate intervals in the width direction of the receiving net 5. The positioning locking action of the net 5 can be further stabilized.

FIG. 7 shows a structure in which a plate 30a bolted to a bent portion 29 of a receiving net frame 28 is advanced outward and interferes with a handling room frame 23 so that the receiving net 5 is locked. It is composed. In this case, the locking state is more reliable if the bending angle of the plate 30a is set smaller than 90 degrees from the positional relationship with the handling room frame 23.

In the above configuration, the cylinder cover 21
When the is opened, the cylinder cover 21 rotates upward around the support shaft 22 and the upper part of the handling chamber 2a is opened. Then, the bolt 35 with the rubber 34a attached to the cylinder cover 21 also rotates upward and retreats integrally with the cylinder cover 21, and there is no restriction on the bent portion 29 of the receiving net frame 28, so that the locking action on the receiving net 5 is automatically performed. Will be canceled. For this reason, the cylinder cover 21 is simply provided without performing any manual rotation operation of the lock lever or the like as in the related art.
The receiving net 5 can be quickly pulled out from the machine side by hand only by opening the opening. When the cylinder cover 21 is closed, the rubber 34a elastically comes into contact with the bent portion 29 of the net receiving frame 28, and furthermore, the plate 30 is integrated with the net receiving frame 28.
Is brought into contact with the handling room frame 23 so that the receiving net 5 is elastic.
Automatic positioning at two locations: body 34 and handling room frame 23
The gap between the tooth tip and the receiving net 5 is fixed.
Can be uniform. Then , the inconvenience of accidentally forgetting to lock after the setting of the receiving network 5 is reliably resolved. In this way, the receiving net 5 can be locked or unlocked accurately and simply by simply opening and closing the cylinder cover 21.
Replacement and cleaning can be performed quickly.

[0010]

As described above, the receiving net locking device of the threshing machine according to the present invention does not require any special members such as a lock lever and a fixing bolt for positioning and fixing the receiving net. since by utilizing a structure for mounting a locking device, the entire device及beauty not only can simplify the mounting structure, two places of the受網5 simply closed Runomi the cylinder cover elastic body 34 and the threshing chamber frame 23
Can be fixed by any means.
It can be easily corrected to obtain a uniform gap between the tip of the tooth handling and the receiving net 5.
And the desired shedding effect can be performed satisfactorily.
You. Further, the since it unlocked only by opening the cylinder cover 21 can be carried out cleaning etc.受網5 exchange and受網5 easily and quickly, inadvertently forgetting the lock after setting the受網5 There is an effect that such inconvenience can be surely solved.

[Brief description of the drawings]

1 is a side cross-sectional view of the present invention equipped with a threshing machine.

FIG. 2 is a Hiradan-sectional view of the present invention equipped with a threshing machine.

FIG. 3 is a Seidan-sectional view of the present invention equipped with a threshing machine.

FIG. 4 is an enlarged front view of a main part.

FIG. 5 is a front view of a main part.

FIG. 6 is an enlarged front view showing another embodiment of the elastic body.

FIG. 7 is a perspective view of an example of locking a receiving net by causing a plate to interfere with a handling room frame.

[Explanation of symbols]

 2 Handling cylinder 3 Processing cylinder 5 Receiving net 21 Cylinder cover 23 Handling room frame 28 Receiving net frame 34 Elastic body 34a Rubber 39 Cushion spring

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Showa 64-41242 (JP, U) Japanese Utility Model Showa 53-83454 (JP, U) Japanese Utility Model Showa 55-18918 (JP, U)

Claims (1)

(57) [Scope of request for utility model registration] (1) The front plate (24) and the rear plate (25 ) of the handling room (2a )
In a threshing machine in which the spaces are integrally connected by a handling room frame 23 and the receiving net 5 is detachably attached along the circumferential direction of the handling drum 2 in a threshing machine, the receiving net frame of the receiving net 5 is provided. 28 draws
A plate 30 that can be adjusted forward and backward in the direction of the handle cylinder 2 at the starting end side
While the cylinder cover 2 is openable and closable in the vertical direction.
1, the elastic body 3 to face the drawer starting end side of the受網5
4 is provided, in the closed state of the cylinder cover 21, the
The plate 30 contacts the handling room frame 23 and
受網5 serial elastic member 34 is brought into contact with the drawer starting end side of受網5
受網locking device threshing machine, characterized by being configured to lock the受網5 by pressing the.