JPH0446529Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field This invention relates to a culm switching and supplying device to a culm processing device that cuts and bundles the culm after being threshed with a combine harvester or the like.

Conventional technology Conventionally, when supplying waste culm after threshing to a cylinder-type cutter and a waste-culm concentrator, the guide rod of the conveying chain is pivoted around the pivot axis to close the supply port of the cylinder-type cutter and The system is configured so that it can be switched between a posture in which the discharged culm is transferred to the discharged culm concentrating device of the cylinder type cutter, and a posture in which the supply port of the cylinder-shaped cutter is opened and the discharged culm is guided to the cutter, and it is possible to respond to an increase or decrease in the amount of discharged culm to be transferred. Therefore, a flexible auxiliary guide rod was provided on the guide rod.

Problems to be Solved by the Invention In the prior art as described above, when the guide rod is rotated to open the supply port of the cylinder type cutter and the culm is supplied to the supply port, a pair of infeed The center of the culm being conveyed is stopped by a raking rod that comes out and retracts from the feed roll on one side of the rolls, and the culm is raked in half. When the base exhaust culm is guided in contact with the side of the guide rod, there have been cases where the flexible auxiliary guide rod above the guide rod is rolled up and the guide rod is deformed. This invention attempts to solve such problems.

Means for Solving the Problem A cylinder type cutter 3 and a culm convergence device 4 are arranged in parallel from the front side in the conveying direction below a culm conveying chain 2 provided at the rear of a machine body 1 such as a combine harvester. The guide rods 5 located on both sides of the culm 2 are placed in a position approximately parallel to the culm conveying chain 2, which can close the supply port 7 of the cylinder-type cutter 3 and guide the guide rods 5 located on both sides of the culm 2 to the culm converging device 4 at the rear. and an inclined position in which the supply port 7 of the cylinder type cutter 3 is opened, and an auxiliary guide rod 8 having flexible elasticity is provided above the guide rod 5 on the side of the discharge culm conveying chain 2. This is a configuration of a waste culm switching supply device to the provided waste culm processing device.

Function of the device First, when carrying out the focused discharge work of the exhaust culm, the guide rod 5 of the conveying chain 2 is rotated about the pivot shaft 6, the supply port 7 of the cylinder type cutter 3 is closed, and the rear exhaust culm is The posture is changed to be approximately parallel to the conveyance chain 2 that can be transferred to the culm convergence device 4.

The waste culm conveyed by the conveyance chain 2 is smoothly transferred by the guide rod 5 facing the conveyance chain 2 and the flexible auxiliary guide rod 8 in accordance with the increase or decrease in the amount of waste culm, and the waste culm convergence device 4 and is supplied in a well-aligned manner and focused and emitted.

Next, when performing cutting work with the cylinder type cutter 3, the guide rod 5 is rotated about the pivot shaft 6 to open the supply port 7 of the cylinder type cutter 3. The culm transported by the transport chain 2 is folded in half and scraped by a pair of feed rolls of the cylinder-shaped cutter 3 and a scraping rod that comes out and retracts from one side of the pair of feed rolls. When the culm is scraped into pieces, the culm is smoothly guided by the guide rod 5, and a flexible auxiliary guide rod located on the culm conveying device 2 side of the strong guide rod 5. No. 8 is not affected by the abutting action of the culm and is not damaged.

Effects of the invention Since this invention is configured as described above, it is possible to smoothly switch and supply the culm to the cylinder cutter 3 and the collecting device 4, and when conveying it to the collecting device 4, the guide rod 5 and flexible Although the elastic auxiliary guide rod 8 can be used to reliably convey the culm in response to changes in the amount of culm discharged, when feeding to the cylinder-type cutter 3, the auxiliary guide rod 8 is connected to the culm conveyance device 2 side of the guide rod 5. Since the culm is located at the auxiliary guide rod 8, there is no risk that the culm being folded in two will come into contact with the auxiliary guide rod 8 and cause damage to it or get caught in it.

Embodiment In the illustrated example, reference numeral 9 denotes a crawler-type traveling device, and the combine harvester body 1 is mounted on the traveling device 9, and is configured to reap and thresh planted culms. The culm conveyance chain 2 takes over the threshed culm from the machine body 1 and conveys it, and is installed diagonally toward the mowed field side of the field in plan view.

The cylinder type cutter 3 is conventionally known and is attached to the rear part of the machine body 1 and is used to shred the waste culm supplied from the conveyor chain 2. Supply port 7
A discharge port 11 is formed below.

12 and 13 are a pair of culm feeding rolls,
The cutter case 10 is mounted on rotation shafts 14, 14 perpendicular to the direction of movement of the machine body 1, and is provided in a cutter case 10 facing the supply port 7. A fixed shaft 15 provided at an eccentric position in the front side discharging culm feed roll 12 has a
A scraping rod 17 that can freely come out and go out is loosely fitted into the hole 16 of No. 2.

Reference numeral 18 denotes a flywheel, which is mounted on a rotating shaft 19, has a rotating blade 20 attached to its periphery, and is configured to shred the culm supplied between it and a fixed blade 21 provided on the cutter case 10. It has been done.

The culm focusing device 4 is attached to the rear part of the cutter case 10 and includes a shaft 22 that is rotatable on the machine frame, a plurality of holders 23 attached to the shaft 22, and a spring 24 that suspends the holders 23. It is composed of.

A fixed culm guide guide 25 is attached to the body 1 side portion of the culm conveying chain 2, and a pivot shaft 6 of the upper part of the cutter case 10 is provided between the upper part of the cutter case 10 and the upper part of the starting end of the culm convergence device 4. Guide rods 5, 5 are provided on both sides of the conveyance chain 2, and are rotatable on the front side using the conveyance chain 2 as a fulcrum.

The auxiliary guide rods 8, 8 are attached to the starting ends of the guide rods 5, 5 via attachment parts 26, and are arranged closer to the conveyance chain 2 from the starting ends to the rear of the terminal ends. . The auxiliary guide rods 8, 8 are made of a flexible elastic material, and the guide rods 5, 8 are made of a flexible elastic material.
5, that is, on the conveyance chain 2 side.
Reference numeral 27 denotes a guide rod attached below the lower guide rod 5.

First, when performing the work of collecting the waste culms, the guide rods 5, 5 are rotated around the pivot shaft 6, the supply port 7 of the cylinder type cutter 3 is closed as shown in Fig. 2, and the waste culms are collected by the collecting device. 4 is positioned parallel to the conveyance chain 2. The waste culm conveyed by the conveyance chain 2 is smoothly transferred by the guide rod 5 facing the conveyance chain 2 and the flexible auxiliary guide rod 8 in response to changes in the amount of waste culm, and the waste culm convergence device 4 It is supplied evenly to the machine. When the culm collected on the receiving rod 23 of the culm collecting device 4 reaches a predetermined amount, it overcomes the suspension force of the suspended spring 24 and rotates together with the shaft 22 to be released.

Next, when cutting the culm, the starting end of the guide rod 5 is rotated upward about the pivot shaft 6 to open the supply port 7 of the cylinder cutter 3.

The culms conveyed by the conveyance chain 2 are guided downward by a guide rod 27, and the scraping rod 17 rotates while moving in and out of the feed roll 12.
The center portion of the culm is held by the culm, the culm is raked into a bifold shape, and the culm is sent toward the culm of the discharged culm by a pair of feed rolls 12 and 13.

The sent culm is shredded between the rotary blade 20 and the fixed blade 21 and discharged from the discharge port 11.

When the culm is scraped by the scraper 12, the culm that is locked and scraped in a bifold shape is fed into the cutter case 10 from the supply port 7 while being guided by the guide rods 5, 5 on both sides. However, the auxiliary guide rods 8, 8, which are flexible and have weak elastic force, are located inside the guide rod 5, that is, on the side of the conveyance chain 2, and do not come into contact with the culm during this scraping, and are not used as auxiliary guides as in the conventional case. The rods 8, 8 will not be caught and damaged.

[Brief explanation of the drawing]

The figure shows an embodiment of the present invention.
The figure is a plan view, and FIGS. 2 and 3 are side sectional views. In the figure, reference numeral 1 indicates a machine body, 2 a conveyance chain, 3 a cylinder type cutter, 4 a discharge culm focusing device, 5 a guide rod, 6 a pivot shaft, 7 a supply port, and 8 an auxiliary guide rod.

Claims (1)

[Scope of utility model registration request] A cylinder type cutter 3 and a culm convergence device 4 are arranged in parallel from the front side in the conveying direction below the culm conveying chain 2 provided at the rear of the machine 1 of a combine harvester, etc., and guide rods located on both sides of the culm conveying chain 2 are installed. 5 about the pivot shaft 6, the supply port 7 of the cylinder type cutter 3 is closed, and the cylinder type cutter 3 is placed in a position substantially parallel to the culm conveying chain 2 that can be transferred and guided to the rear culm concentrating device 4, and the cylinder type cutter 3 is supplied. A culm processing device configured to be rotatably switchable between an inclined position in which the mouth 7 is opened and an auxiliary guide rod 8 having flexible elasticity is provided above the guide rod 5 on the culm conveying chain 2 side. culm switching supply device.