JPH0221891Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a waste straw processing device for a combine harvester.

[Prior Art] Below the rotary blade body constituting a disc-type cutter that adjusts the threshing of grain culms harvested by a reaping device with an automatic threshing device and shreds the threshed culms,
A flip-up wheel is placed across the entire width of the cutter,
There is a processing device in which a downwardly directed discharge port is provided at the upper rear side of the disk-type cutter and extends over substantially the entire width of the cutter, and a bag for storing shredded grain culms is detachably attached to the discharge port. (As an example,
Utility Model Publication No. 54-168369).

[Problem to be solved by the invention] In the conventional culm processing device as described above, the root side and the tip side of the shredded grain culm are discharged and collected in a mixed manner. It is not possible to separate and collect the leaves for fertilizer and the tips of the ears as feed, and separating them requires a lot of time and effort.

The purpose of this invention is to shred the threshed culms using a disk-shaped cutter, and collect the culms in bags after distinguishing between the root side and the tip side.The root side is used for fertilizer, and the tip side is The purpose is to make it possible to separate and use it as feed, and at the same time, to improve recovery efficiency and waste culm processing efficiency.

[Means for Solving the Problems] The structure of the present invention that solves the problems of the prior art is to adjust the threshing of grain culms harvested by a reaping device using an automatic threshing device, and to release the threshed culms into pieces. At the bottom of the rotary blade that makes up the disc-shaped cutter,
A flip-up wheel (beater) is provided over the entire width of the disc-type cutter, and a downwardly directed discharge port is provided at the upper rear side of the disc-type cutter over substantially the entire width of the disc-type cutter. In a straw processing device for a combine harvester in which a bag for storing shredded grain culms is detachably attached to the discharge port, the discharge port is divided into a plurality of pieces by an intermediate scraper member, and the shredded grain is placed at the end of each divided discharge port. A bag for storing culms is detachably provided, and is placed on the outside of both ends of the discharge port, and is wider than the width of the end of the discharge port, and has a rectangular front shape with the lower side constantly biased to rotate outward. The upper side of the frame-shaped bag support frame is pivotally supported, and a bag opening holding rod is provided between vertical rods on both sides of the bag support frame so as to be movable up and down and abuts on the lower side rod of the bag support frame. On both sides of the scraper member end facing the opening end,
A bag supporting frame having a bag locking portion whose lower side is wider than the width of the discharge port is provided symmetrically, and the bag is pressed onto the bag locking portion between both vertical rods forming the bag support frame. It is characterized by the provision of a mouth restraint rod.

[Function] The shredded culms that are flipped up by the flip-up wheel are separated into the root side and the tip side by the presence of the scraper member and are collected separately into bags, and the bags are collected from the discharge port. Since it is held with a wide mouth, it can be collected reliably without being scattered outside.

[Example] To explain the details of the example with reference to the drawings, A is an automatic threshing device of the combine main body, and the shed culm that has been threshed by the automatic threshing device A is transferred to the combine main body by a conveyance mechanism B. It is sent to a disk-shaped cutter C installed at the rear, where it is shredded.

The disc-type cutter C has a cutter mechanism section 3 consisting of a rotary blade 1 that rotates at low speed and has a culm feeding function, and a rotary blade 2 that rotates at high speed that meshes with the rotary blade 1, and a cutter mechanism section 3 that is installed on the lower side of this cutter mechanism section 3. A flip wheel (beater) 4, a lifting culm channel 6 having a downward discharge port 5 connected to the flip wheel 4, a plurality of parts connected to an operating rod 7 on the lower side of the flip wheel 4, and It is composed of a cutter case 9 equipped with an opening/closing plate 8 and the like.

The flip-up wheel 4, the lifting culm channel 6, and the discharge port 5 are formed to have approximately the same length as the cutter mechanism 3, that is, to extend over approximately the entire length of the cutter case 9. As is clear from FIG. 1, the discharge port 5 is divided into a plurality of parts by an intermediate scraper member 10 to form a plurality of divided discharge ports 5a.

Further, although the opening/closing plate 8 provided at the bottom of the cutter case 9, that is, the lower side of the flip-up wheel 4, is divided into a plurality of parts, the conditions such as the number of divisions and the width are as described above. It corresponds to the divided discharge port 5a. In addition, each divided opening/closing plate 8 is connected to an operating rod 7, so that it can be fully opened or partially opened by the action of the operating rod 7. The opening/closing plate 8 may be resiliently mounted on the cutter case 9 so as to rotate and open downward when the cutter case 9 is opened.

Further, as is clear from the drawing, the above-mentioned culm conveyance mechanism B is composed of a combination of a conveyor belt 11 and a guide rod 12, and a switching lever 13 is provided in the middle of this, and in the state shown in FIG. All the culms are introduced into cutter C, and the culms are in the virtual line state.
It is conveyed to the rear side of the cutter C and collected into a culm by a culm collecting member 14. Above switching lever 1
The two are mechanically coupled so that when 3 is placed in the imaginary line position, the culm collecting member 14 rises from the imaginary line position to the solid line position.

Further, the upper side of a rectangular bag support frame 15 is pivotally supported at one side opening end of each of the divided discharge ports 5a. A dynamic biasing spring 16 is provided. Furthermore,
Between the vertical rod portions on both sides of the bag support frame 15, a bag opening restraining rod 17 that abuts on the lower side of the bag supporting frame 15 is connected via a bridge so as to be movable up and down. The lower end of the rod 18 is pivotally supported, and the upper end of the connecting rod 18 is connected to the upper side of the bag support frame 15 and the upper end is connected to the midway part of the lower tightening lever 19. A molded locking rod 20 is provided within the connecting rod 18 so that the tightening lever 19 and the connecting rod 18 can maintain a coupling relationship that exceeds a dead line.

The upper side of an upwardly U-shaped bag support frame 21 is fixed to the other opening end of the divided discharge port 5a, and the lower side of the bag support frame 21 is fixed to the lower side of the bag support frame 21.
A bag locking portion 22 bent into a letter shape is formed. 2
Reference numeral 3 denotes a bag mouth restraining rod that fits into the lower side of the bag support frame 21 from the outside, and this and both vertical rod portions of the bag support frame 21 are connected by a connecting rod 24.
A spring 25 is installed between the vertical rod and the vertical rod,
The bag opening holding rod 23 is always pressed by the bag support frame 21. In the figure, 26 is a bag for storing shredded culms.

D is a bag receiving member provided at the lower part of the rear wall of the combine main body so that it can be folded and stored. This mounting member D consists of an L-shaped board 27 fixed to the combine main body, a connecting rod 28 with one end pivotally supported on both sides of the board 27, and a connecting rod 28 pivotally supported on the other end of the connecting rod 28. By folding the bag receiving frame 29 and the connecting rod 28 in the direction of the arrow in FIG. 2, this member can be folded and stored as shown by the imaginary line.

In addition, the bag receiving frame 29 is connected to the connecting rod 28 and the bag receiving frame 29 in order to rotate downward and leave the bag together in the field when the shredded culm in the bag 26 exceeds a set weight.
A spring 30 is provided between the two. In this case, the receiving plate 31 shown in FIG. 2 becomes unnecessary.

[Effects of the invention] Since the present invention is constructed as described above, the following effects can be obtained.

(a) The threshed culms can be shredded with a disk-type cutter and left in the field as is, and the shredded culms can be mixed, for example, by mixing the root side and the tip side. Therefore, the root side can be collected as fertilizer and the tip side can be collected as feed separately, making effective use of the culms.

(b) The bag attached to each divided discharge port is supported between the bag support frames wider than the discharge port, and both ends of the bag can be held by the bag mouth restraining rod, so that the bag can be removed from the discharge port. The released shredded culms are not scattered outside the bag and are surely collected, and the bag can be easily attached and removed.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway perspective view of the main part, Fig. 2 is a partially cutaway side view of the same as above, Fig. 3 is a perspective view of the bag support frame,
FIG. 4 is a longitudinal sectional front view of the same as above. A...Automatic threshing device, B...Transportation mechanism, C...
Disk type cutter, D...Bag receiver member, 3...Cutter mechanism section, 4...Flip wheel (beater),
5...Discharge port, 5a...Divided discharge port, 6...Culm flow path, 9...Cuttle, 10...Scraper member, 15...Bag support frame, 16...Spring, 17...
Bag mouth holding rod, 18...Repeat rod, 19...Lever, 2
0...Latching rod, 21...Bag support frame, 22...Bag locking portion, 23...Bag opening holding rod, 24...Regular rod, 25
...Hatsujo, 26...Bag.

Claims (1)

[Scope of Claim for Utility Model Registration] The lower portion of a rotary blade body constituting a disc-type cutter that adjusts the threshing of grain culms harvested by a reaping device using an automatic threshing device and releases the threshed culms into pieces. A flip-up wheel (beater) is provided over the entire width of the disc-type cutter, and a downwardly directed discharge port is provided at the upper rear side of the disc-type cutter, and the discharge port is provided over substantially the entire width of the disc-type cutter.
In a combine harvester straw processing device in which a bag for storing shredded grain is removably attached to this discharge port, this discharge port is divided into a plurality of pieces by an intermediate scraper member, and shredded grain is cut into pieces at the end of each divided discharge port. A bag for storing grain culms is provided in a detachable manner, and on the outside of both ends of the above-mentioned outlet, there is a front shape that is wider than the width of the end of the outlet and whose lower side is always biased to rotate outward. The upper side of the bag support frame in the form of a rectangular frame is pivotally supported, and a bag opening holding rod is provided between the vertical rods on both sides of the bag support frame so as to be movable up and down and abuts on the lower side rod of the bag support frame. A bag support frame having a bag locking part whose lower side is wider than the width of the discharge port is provided symmetrically on both sides of the end of the scraper member facing the opening end of the scraper member, and both vertical rods forming the bag support frame are provided. A straw disposal device for a combine harvester, characterized in that a bag opening holding rod is provided between the bags to press on the bag locking portion.