JPH019395Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention comprises a device for pinching and conveying the stock side of the thrown straw in a sideways position sent out from the threshing section by an upper rotating chain and a lower rail, and A rotary chain with conveyor claws on the upper side and a device that locks and conveys it with a lower rail are installed side by side, and a waste straw dropper is placed below the end of conveyance by both conveyance devices.
In addition, by disposing a waste straw cutter on the lower side during conveyance, and by changing the position of the rear half of both rails, the two conveying devices are changed to a first state in which waste straw is transported to a waste straw dropper and a first state in which the waste straw is transferred to a waste straw dropper. The present invention relates to a waste straw processing device for a threshing machine that is configured to be switchable between a second state in which straw is transported and supplied to a threshing machine.

The waste straw processing device of such a threshing machine is configured so that the waste straw is transported to locations spaced apart from each other in the direction of the culm using both conveying devices, thereby preventing disturbances in the posture of the waste straw due to transportation. However, in general, in the past, the conveyance claws in the locking conveyance device were configured as fixed claws, so by switching the lower rail to the second state, it is possible to allow the removal of the waste straw from the conveyance claws due to falling. When transporting and supplying waste straw to the waste straw cutter, especially when the waste straw volume is large or the conveyance speed is high, it becomes uncertain that the waste straw will separate from the fixed conveyor claw, and the fixed transfer claw will not be able to remove the waste straw. Occasionally, situations occur in which the tip side of the ear is carried to the conveyance end side, and as a result, the posture of supplying the waste straw to the waste straw vine is greatly disturbed, or the waste straw is pulled toward the top side, and the waste straw vine is removed. It had the disadvantage of deteriorating processing performance.

The present invention is capable of transporting waste straw in a stable posture using both of the above-mentioned conveying devices, while also supplying waste straw to the waste straw cutter well and reliably, thereby ensuring reliable processing with the waste straw cutter. There is a purpose in aiming.

The waste straw processing device for a threshing machine according to the present invention is configured such that the conveyance claws of the locking conveyance device can be freely switched between an upright working position and a recedingly swung lowered non-working position; The latter part of the claw-erecting guide rail, which maintains the movable transport claw in the above-mentioned raising posture when moving along the transport route, is attached to the lower part of the movable transport claw in the transport direction than the point where waste straw is supplied to the waste straw cutter. It is characterized by being configured so that its position can be changed to a non-working position that allows for backward swinging to a lodging non-working position.

That is, by configuring the transport claw as a movable claw that can engage and disengage from the straw removal straw, and by providing a claw-erecting rail that maintains the movable transport claw in the erecting posture, the transport end of both transport devices is transportation to the department,
Both conveying devices keep the straw removal posture stable and supply waste straw to the removal straw dropper in a good manner, and
Although this can be done reliably, by changing the position of the latter half of the claw raising rail to a non-operating position when transporting and supplying to the waste straw vine, the conveyance is moved to the end of the conveyance from the position corresponding to the waste straw vine. The claws are allowed to swing backward to the inactive position, and by swinging the transport claws backward, the transport claws can be reliably and smoothly separated from the waste straw that is about to fall toward the cutter. This reliably prevents waste straw from being carried to the end of the conveyance by the conveyor claws, and enables smooth and reliable supply of waste straw to the waste straw cutter, which in turn allows reliable and normal processing with the waste straw cutter. It came to this.

Note that although reference numerals are written in the claims section of the utility model registration for convenience of comparison with the drawings, the present invention is not limited to the structure of the attached drawings by such entry.

Hereinafter, an embodiment of the present invention will be described based on the drawings. A device 3 for clamping and conveying the waste straw between the upper and lower rails 4B and a device 4 for conveying the tip side of the waste straw by locking it between an upper rotating chain 4A with a conveying claw 4a and a lower rail 4B are installed in parallel. A straw removal dropper 5 is disposed below the end of the conveyance of the conveyance devices 3, 4, and a disk-type straw removal cutter 5' is disposed below the conveyance end, respectively, and both the conveyance devices 3, 4 are connected to the bottom of both the conveyance devices 3, 4. Side rails 3B, 4B
By changing the positions of the latter half portions 3Ba and 4Ba, the first state in which the waste straw is conveyed and supplied to the waste straw dropper 5 and the waste straw is transferred to the waste straw cutter 5'.
In a combine harvester (an example of a threshing machine) that is configured to be switchable between a second state in which grains are transported and supplied, the locking and transporting device 4 is constructed as follows.

In other words, each of the transport claws 4a is configured to be switchable between an upright working position in which it engages with the straw removal straw and a lowered non-working position in which it swings backward and releases the engagement, and these movable transport claws 4a A claw-erecting guide rail 4C is provided at the base end of the movable transporting claw 4a for maintaining the movable transporting claw 4a in the above-mentioned raising posture while moving along the transporting route, and this claw-erecting guide rail 4C By vertically rocking the second half of 4Ca,
It is configured to be able to change its position between an active position and a non-active position that allows the movable conveyance claws 4a to swing backward to a laid down, non-active position.

Note that the means for changing the position of the lower half portion 3Ba of the lower rail in the clamping and conveying device 3 is the lower rail 3B.
It is a means for expanding and contracting and fixing the waste straw in its longitudinal direction, and the upwardly open waste straw receiving port 5a' of the waste straw cutter 5' has a waste straw guide surface that can swing open and close, and in the open position, the removed straw guide surface to the waste straw receiving port 5a'. A lid 5A' forming G with its lower surface is attached.

In the figure, reference numeral 6 denotes a guide plate that slides and guides the waste straw from the transport end portions of the two conveying devices 3 and 4 onto the waste straw dropper 5, and this is a guide plate that slides and guides the waste straw from the transport end portions of the transport devices 3 and 4. By bending and forming a rail shape that also serves as a reinforcing rib to reduce the sliding resistance of the base, the base side of the waste straw stock can be turned around to the tip side, and the straw dropper 5 can be attached to the waste straw dropper 5 in an attitude inclined with respect to the direction of movement of the machine. configured to supply.

[Brief explanation of the drawing]

The drawings show an embodiment of the waste straw processing device for a threshing machine according to the present invention, in which Fig. 1 is a plan view of the main part, Fig. 2 is a longitudinal cross-sectional side view of the main part, and Fig. 3 A and B show the switching operation. FIG. 4 is a sectional view taken along the - line in FIG. 1. 2... Threshing section, 3A, 4A... Rotating chain,
3B, 4B...Rail, 4a...Transportation claw, 3...
Clamping conveyance device, 4... Locking conveyance device, 5... First
Waste straw processing device, 5′...second waste straw processing device,
4c...Guide rail for raising nails.

Claims (1)

[Scope of utility model registration request] A device 3 that pinches and conveys the stock side of the sideways thrown waste straw sent out from the threshing section 2 between an upper rotary chain 3A and a lower rail 3B, and an upper conveyor claw 4a that transports the tip side of the waste straw. A rotary chain 4A with a rotary chain 4A and a device 4 that is locked and conveyed by a lower rail 4B are installed in parallel, and a straw removal dropper 5 is placed below the end of the conveyance by these conveyance devices 3 and 4, and a straw dropper 5 is placed below the conveyance midway through the conveyance. In addition to respectively arranging the waste straw vines 5',
By changing the positions of the rear portions 3Ba and 4Ba of both the rails 3B and 4B, the two conveying devices 3 and 4 can be set to a first state in which the waste straw is transported to the waste straw dropper 5 and a second state in which the waste straw is transported to the waste straw cutter 5'. In the waste straw processing device of a threshing machine configured to be switchable between two states, the transport claws 4a of the locking transport device 4 can be freely switched between an upright working position and a recedingly swung lowered non-working position. In addition, the latter part 4Ca of the guide rail 4C for raising the movable conveying claws 4a, which maintains the movable conveying claws 4a in the raising posture when moving along the conveying path, is connected to a part where the waste straw is supplied to the waste straw cutter 5'. A waste straw processing device for a threshing machine, characterized in that the movable conveyance claws 4a are configured to be repositionable to a non-operating position that allows the movable conveying claws 4a to swing backward to a laid-down, non-operating position on the downstream side in the conveyance direction.