JPH0122448Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to a side-blowing type underhand threshing machine for threshing grain culms.

(b) Prior Art The No. 4 funnel in conventional threshing machines was composed of a machine frame and a frame plate integrated with the machine frame.

(c) Problems to be solved by the invention In recent years, threshing machines are often used as combine harvester threshing equipment rather than being used as stationary machines. This resulted in the accumulation of straw and other debris, and especially in the lower-handling type, the fourth port was too low, causing grains to scatter outside the machine or to be carried out along with the culm as prickles.

These disadvantages, especially the accumulation of straw and the loss of grain, are severe when threshing wet grain culms.

(d) Means for solving the problems The present invention attempts to improve the above-mentioned drawbacks by providing a pushing action and a scraping action to the waste culm that is discharged from the waste culm opening and enters the No. 4 funnel. In a side-blowing type pre-handling threshing machine in which a No. 4 funnel 20 is provided at the rear of the handling chamber 2 and an exhaust dust sorting chamber 9 is provided at the rear thereof, there is provided an exhaust on the handling opening 4 side of the No. 4 funnel 20. This problem was solved by providing a rocking plate 22 for pushing up the culm, and by pivotally supporting a rotary ring 35 with a protrusion at a portion facing the rocking plate 22.

(E) Action The culm discharged from the culm opening in the handling chamber into the No. 4 funnel is intermittently pushed up by the rocking plate, and the rotating wheel with projections scrapes up the pushed up culm and expands it. Forcefully scrape it out.

(F) Example An example of the present invention will be explained with reference to the drawings.
A handling cylinder 1 having handling teeth 1a is supported longitudinally in a handling chamber 2 by a handling cylinder shaft 3, and a feed chain 5 and a pinching rail 6 are provided on the outside of the handling opening 4.

As shown in Fig. 2, the sorting section is about half the width of the handling chamber 2, is offset to the side opposite to the handling port 4, and is connected to the air blower provided at the bottom of the handling chamber 2 on the side of the supply port 7. A sorting air path is formed by the fan 8 and a suction fan 10 provided at the upper part of the dust sorting chamber 9, and a swinging sorting body 11 installed in the sorting air path so as to swing back and forth is connected to the handling chamber 2.
It is composed of a transfer flow plate 13 facing directly below the receiving gutter 12, a sorting screen 15 facing above the first receiving gutter 14, and a stroke rack 17 facing above the second receiving gutter 16. A straw removal chain 18a and a straw removal belt 18b are stretched over the top plate 9a.

A fourth funnel 20 constituting a fourth port is provided between the exhaust culm port 19 of the handling chamber 2 and the dust sorting chamber 9, and the side plate on the handling port 4 side of the fourth funnel 20 supports the upper part. It is constructed of a rocking plate 22 that is pivotally supported by a shaft 21, and sponges 23, 2 are attached to both sides of the rocking plate 22.
3 is in sliding contact with the side frames 24, 24, and the intermediate shaft 25
An arm 26 protruding from one end is connected to a receiver 28 on the lower surface of the swing plate 22 via a rod 27, and a swing arm 29 fixed to the other end of the intermediate shaft 25 is connected to the uppermost transfer spiral shaft 30. A rubber plate 33 is connected to the crank arm protruding from the side wall 31 by a rod 31, and a rubber plate 33 that presses against the lower surface of the swing plate 22 is attached to the upper part of the side wall 32 which receives the lower end of the swing plate 22.
It is fastened with.

Further, a rotating ring 35 with a protrusion made of star foil is provided at a portion facing the upper surface of the rocking plate 22, and the rotating ring 35 hangs down from a transmission case 36 supporting the rear part of the handling barrel shaft 3. support plate 37
A sprocket 38 is supported by a rotating shaft 39 and fixed to the output shaft 36a of the transmission case 36.
The sprocket 40 attached to the rotating shaft 39 of the rotating wheel 35 is rotated counterclockwise in FIG. 1 via a chain 41.

Furthermore, a support frame 42 is fixed to the bent portion at the lower end of the support plate 37, rising rearward along the rear swash plate 20a of the fourth funnel 20, and having a terminal end facing the ear side of the starting end of the straw removal belt 18b. Yes, the rotating shaft 3
9 and a V pulley 43 (integrated with the rotating wheel 35) fixed to the
A scraping belt 45 having a large number of locking protrusions on its outer peripheral surface is stretched over the pulley 44 .

Furthermore, guide plates 46 and 47 are provided on both sides of the feed chain 5, as shown in FIG. It spreads out in a fan shape so as to be parallel to the straw, preventing the stem from hanging down and being scratched by the feed chain 5, while ensuring smooth transfer to the straw removal chain 18a.

The above-mentioned threshing machine is mounted on the combine machine stand,
When threshing the grain culm that has been harvested and transported by the pre-processing device, when each rotating part is driven to supply the stock end of the grain culm to the starting end of the feed chain 5 and the pinching rail 6, the ears are removed from the supply port 7. After entering the handling chamber 2, the straw is threshed by the handling teeth 1a of the handling barrel 1, and the waste straw is pulled out from the stock root side through the culm discharge port 19 while being held between the feed chain 5 and the pinching rail 6, and is removed from the stalk. The sides are discharged a little later.

As shown in FIG. 3, as the intermediate shaft 25 moves back and forth, the arm 26
moves the rocking plate 22 up and down about the support shaft 21 via the rod 27, so that the rocking plate 22 intermittently vibrates the waste straw up and down, and the rotating wheel 35 moves the pushed-up straw culm up and down. Scrape it up with the prongs.

At that time, the culm is affected by the pressing action, raking action, and spreading action by the rotating wheel 35, and by the rocking plate 2.
2, the raking belt 45 continuously rakes up the straw culm while pressing it against the swash plate 20a of the No. 4 funnel 20, and the raking belt 45 continues to rak the straw culm while pressing it against the swash plate 20a of the No. 4 funnel 20. The straw removal belt 18b and the straw removal chain 18a sandwich and convey the waste straw to the rear, and at their rear ends, the straw is fed to a binding device, a cutter, or a dropper for processing.

In addition, the grains and small straw waste generated in the handling room 2 during threshing fall from the receiving net 12 onto the transfer flow plate 13 and are transferred to the sorting net 15, where they are subjected to wind selection and sieve sorting. The grain first enters the receiving trough 14, is carried outside, is lifted by a grain lifting cylinder, and is put into a grain tank installed on the combine machine base, and the grain remaining on the sorting net 15 is The second product is transferred to the stroke rack 17 and subjected to sieve sorting and wind selection by the sorting wind blowing through the lower part of the first receiving gutter 14.
Transfer spiral in 6 and second reduction thrower 4 on the side of the fuselage
8, it is thrown back onto the transfer flow plate 13.

(g) Effects of the invention The present invention provides a side-blowing type lowering threshing machine in which the No. 4 funnel 20 is provided at the rear of the handling chamber 2 and the dust sorting chamber 9 is arranged at the rear thereof as described above. A rocking plate 22 for pushing up the culm is provided on the handling opening 4 side of the funnel 20, and a rotary ring 35 with a protrusion is pivotally supported at the part facing the rocking plate 22. The forced vibration of the rocking plate 22 causes the straw waste and grains to slide down to the lower sorting section without delay and are collected, thereby preventing the grains from scattering outside the machine and being scraped out by the culm.

Furthermore, the culm being vibrated by the oscillating plate 22 is scraped up and spread out by the protrusions of the rotary wheel 35, so that the culms can be reliably separated from the culm and collected into the No. 4 funnel 20. In addition, if the dust sorting chamber 9 is installed at the rear of the No. 4 funnel 20 in a bottom handling type threshing machine, the No. 4 funnel can be installed in the dust sorting chamber 9.
However, it becomes significantly lower and it becomes difficult to drain the culm.
Since the rotary wheel 35 forcibly scrapes out the waste culm, it can be easily discharged while preventing the tip from being delayed.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention,
Figure 1 is a vertical cross-sectional view of the lower handling type threshing machine, Figure 2 is a cross-sectional view of the same as above, Figure 3 is a cross-sectional view of the main part, Figure 4 is a perspective view of the culm stock inheritance part, Figure 5 is a plan view of the same as above. DESCRIPTION OF SYMBOLS 1... Handling cylinder, 4... Handling port, 11... Rocking sorter, 20... No. 4 funnel, 22... Rocking plate, 25...
...Intermediate shaft, 35... Rotating wheel, 45... Raising belt.

Claims (1)

[Scope of utility model registration request] In a side-blowing type lower handling threshing machine in which a No. 4 funnel 20 is provided at the rear of the handling chamber 2 and a dust sorting chamber 9 is installed at the rear thereof, a rocker for pushing up the culm is provided on the handling opening 4 side of the No. 4 funnel 20. A side-blowing type threshing machine for underhandling, characterized in that a movable plate 22 is provided, and a rotary wheel 35 with a projection is pivotally supported at a portion facing the movable plate 22.