JPH08182426A - Waste straw transfer apparatus of threshing machine - Google Patents

Abstract

PURPOSE: To provide the subject apparatus enabling satisfactory binding of straw by switching the destination of waste straw between a cutter part and a knotter part and transferring the straw to the knotter part according to the length of the straw. CONSTITUTION: The destination of a threshed waste straw is made to be switchable between a cutter part 3 and a knotter part 4 placed at the back of a threshing part and the straw is supplied to the destination through a waste straw transfer member 2 having an extensible clamping rail. The clamping rail is switchable between a long-straw binding position and a short-straw binding position when an opening member 31 placed at the inlet part of the cutter part 3 is opened and the clamping rail is switched from the contracted cutting posture to the extended binding posture attained by closing the opening member 31.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a threshing machine culm transporting device, in which threshed culm wastes are switchably supplied to a cutter section and a knotter section provided at the rear of the threshing machine, and in particular, When switching from the cutter to the knotter,
The present invention relates to a culm conveyor device for a threshing machine that can always supply the stems so that the stems can be bound regardless of long culms and short culms.

[0002]

2. Description of the Related Art Conventionally, a cutter section and a knotter section, which are attached to the rear of a thresher mounted on a harvester such as a combine,
An culvert carrier with adjustable holding rails is installed obliquely from the feed chain side to the rear side of the machine rear side, and threshed culms are switchably supplied to the cutter part and knotter part. The transport device, in a state in which the opening / closing member provided at the entrance of the cutter section is opened, contracts the holding rail opposite to the culvert transporting body to supply and cut the culvert to the cutter section, and In the state in which the opening / closing member is closed, the holding rail is extended and supplied to the knotter portion for binding.

[0003]

However, in the conventional culm transporting apparatus, especially in the binding posture for binding the culms,
Since the holding rail is set to bind the stem side of the standard length of culm, in the case of long culm, the ear side is bound and the plant side is disturbed, and in the case of short culm, The root side of the plant was bound, which resulted in problems such as insufficient drying of the culm after the burn. The present invention has been made in view of the above circumstances to eliminate the conventional problems, and its intended purpose is to supply the culms to the knotter, regardless of the long culm and the short culm. , It is an object of the present invention to provide a culm conveying device for a thresher that can always supply the stems so that they can be properly bound, and thus can easily perform processing such as drying of the culms after binding. is there.

[0004]

In order to solve the above-mentioned problems, the first technical means adopted by the present invention is to thresh threshing culms which have threshing-completed culms via a culm carrier having a holding rail capable of expanding and contracting. In the culm conveyor device of the thresher that supplies switchably to the cutter section and the knotter section attached to the rear of the section, the opening / closing member provided at the entrance of the cutter section was opened, and the holding rail was contracted. When the switching posture is switched to the bundling posture in which the opening / closing member is closed and the holding rail is extended, the holding rail is configured to be switchable between a long culling binding position and a short culling binding position. Is. Further, the second technical means adopted by the present invention is characterized in that the opening / closing member of the cutter portion and the holding rail are connected to one operation lever having a switching mechanism so that the switching operation can be performed simultaneously. Is.

[0005]

Therefore, according to the present invention, since the movable rail is at the most extended position at the long culm binding position of the operating lever, the culms can be deeply supplied to the knot side of the knotter to bind the stems thereof. it can. Also, if the operating lever is operated to the short culm bundling position, the culms can be supplied shallowly and the stalks of the short culm can be accurately bound, and by operating the operating lever to the cutting position, the opening / closing member (cutter) can be cut. The movable rail can be contracted while the lid) is opened, and the culms can be supplied to the cutter section for accurate cutting.

[0006]

Embodiments of the present invention will be described in detail with reference to the accompanying drawings. Reference numeral 1 denotes a threshing machine mounted on a traveling machine body such as a combine. The threshing machine 1 is equipped with a threshing machine 1 provided at the rear of the threshing machine 1 via a culm carrier 2 provided with a holding rail 20. A cutter unit 3 for shredding the culm and a knotter unit 4 that is conveyed on the cutter unit 3 and binds the culm into a predetermined bundle culm are switchably provided.

The cutter portion 3 has a supply port 3a opened in the culm direction of the culm, and a cutter lid (opening and closing) whose front portion opens upward around the support shaft 30 of the rear portion and closes downward. (Member) 31 is provided so as to be able to be opened / closed via a wire (connecting member) 5a connected to the switching mechanism 5 described later.

In the knotter portion 4, the knot portion 40 and the sweeper 4 are provided above the receiving plate 4b of the binding path 4a communicating with the passage on the cutter portion 3 in which the cutter lid 31 is closed.
1 is provided, and a door clutch 42, a packer 43,
The needle 44 is provided, and a large number of scraping claws 45 are provided so as to face the cutter lid 31 on both sides of the knot 40.
The scraping bodies 45, 45 having a are provided.

On the other hand, as shown in FIG. 4, the holding rail 20 provided opposite to the lower surface of the culm carrier 2 has a length from the starting end of the transfer to the intermediate part of the transfer, that is, the cutter part 3, and is located in the intermediate part. A fixed rail 21 having a hollow guide portion 21a formed by cutting down is supported oppositely, a movable rail 22 is slidably inserted into the fixed rail 21, and the internally fitted end portion is connected to the switching mechanism 5. The ends of the wires 5b and 5c are fixed. The wire 5c for retracting the movable rail 22 is wound around the roller 21b provided on the base side of the fixed rail 21 so as to bypass the roller 21b.

As shown in FIG. 3, the switching mechanism 5 is switched and rotated by the operating lever 50 from the long culm bundling position A shown by the solid line to the short culm bundling position B and the cutting position C shown by the dotted line about the support shaft 51. A swing rod 52 is pivotally supported on a fixed frame 53 fixed near the driver's seat (not shown), and springs 54 locked on the fixed frame 53 are attached to rollers 55, 55 provided at both ends of the swing rod 52. The wires 5b and 5c are wound and locked through the intermediary of the wire, and the operating piece 56 to which the wire 5a linked to the cutter lid 31 is fixed is pivotally supported by the support shaft 57, and the roller at the end is recessed. It has 58 and is joined to the cam portion 58 formed on the swing rod 52. Reference numeral 59 is a toggle spring for positioning each of the operation levers 50 stretched between the central portions of the fixed frame 53 and the swing rod 52.

In the above construction, the cutter lid 31 is in the state where the supply port 3a of the cutter portion 3 is closed at the binding position between the solid line position A and the dotted line position B of the operating lever 50 shown in FIG. That is, the movable rail 22 at the position A is movably stopped at the fully extended binding position A as shown by the solid line A in FIG. 4 by pulling the wire 5b side. Therefore, in this case, the culms can be conveyed toward the back of the machine without cutting the culms by the obliquely arranged culm carrier 2, and thus the stem stems in the standard culm and the long culm can be removed. The knotting unit 4 can be bound accurately. In the above state, it is also possible to discharge without tying, and in this case, a quantitative focusing device (not shown) such as a dropper may be provided at the terminal end of the culm carrier 2.

When bundling short culms, the operating lever 50 is operated to the B position so that the swing rod 52 has the recess 58a of the cam portion 58 fitted and engaged with the roller at the end of the operating piece 56. Since the wire 5c can be pulled while the positioning is fixed and the wire 5b is loosened, the movable rail 22 is contracted to the short cullet bundle conveying position B. As a result, the culm transported by the culm carrier 22 is released while the distance to be sent to the inner side of the machine is shortened, and is directly fed to the knot 40 by the scraping body 45 and the packer 43. Door clutch 4
A constant amount is bundled by the ON operation of 2 and is discharged to the outside by the sweeper 41. At this time, the stem side of the culm is not bound to the back side, so that the stems are properly bound.

On the other hand, when it is desired to cut the culm, by operating the operating lever 50 to the C position, the cutter lid 31 can be opened and the movable rail 22 can be contracted at the same time. Good cutting work can be easily performed. That is, the operation piece 5 is moved by the rotation of the rocking rod 52 in the arrow direction based on the operation of the operation lever 50.
6 is pushed by the cam portion 58 and pulls the cutter lid 31 via the wire 5a, so that the cutter lid 31 is attached to the spindle 3
It is possible to open the supply port 3a by opening it in the state of the dotted line in FIG. 3 around 0, and to retract the movable rail 22 to the C position by pulling the wire 5c. The culms are supplied to the cutter unit 3 and cut. Also, from this state, move the operating lever 50 in the opposite direction (dotted line).
By operating the wire 5a, the cutter lid 31 can be closed, and the movable rail 22 can be extended to the B and A positions via the wire 5b. It is possible to easily perform the culm removal work for binding.

[0014]

In summary, according to the present invention, threshing culm can be switched between a cutter section and a knotter section attached to the rear part of the threshing section through a culm carrier having a holding rail that can adjust the expansion and contraction. In the culm feeder of the threshing machine for feeding, the opening / closing member provided at the entrance of the cutter section is opened, and the holding rail is contracted from the cutting posture in which the holding rail is contracted to extend the holding rail. When switching to the bundling posture, the holding rails can be switched between the long culling bundling position and the short culling bundling position, so by retracting the holding rails with the cutter lid open, the culms can be removed. It can be supplied to the cutting part and cut, and in the bundled state with the cutter lid closed, the length of the holding rail can be variably adjusted according to the culm length to change the long culm or short culm. Warinaku, can always be accurately bundled stems, to prevent bundling errors and unity disturbance, it is possible to easily perform the processing such as drying of subsequent exhaust culm.

[Brief description of drawings]

FIG. 1 is a plan view of a main part of a thresher.

FIG. 2 is a side view of FIG.

FIG. 3 is a side view showing the operation of the switching mechanism.

FIG. 4 is a side view showing the action of the holding rail.

[Explanation of symbols]

 1 Thresher 2 Cutter carrier 3 Cutter part 4 Knotter part 5 Switching mechanism 20 Clamping rail 31 Cutter lid (opening / closing member) 50 Operation lever

Claims (2)

[Claims] 1. Exhaust culms of a threshing machine that switchably supply threshed culm to a cutter section and a knotter section attached to the rear part of the threshing section via a culm carrier having a holding rail capable of expanding and contracting. In the transfer device, when the opening / closing member provided at the entrance of the cutter unit is opened, and the cutting posture in which the holding rail is contracted is switched to the binding posture in which the opening / closing member is closed and the holding rail is extended, A culm conveyor device for a thresher, wherein the holding rail is configured to be switchable between a long culm bundling position and a short culm bundling position. 2. The threshing machine culvert according to claim 1, wherein the opening / closing member of the cutter section and the holding rail are connected to one operating lever having a switching mechanism so that the switching operation can be performed at the same time. Transport device.