JP3204868B2 - Automatic feeder for grain culm of threshing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic grain culm feeding device for a threshing machine, and more particularly, to a threshing feeder for cutting corn culm generated during threshing work, long straw and straw debris including scattered grains. Even if it is carried around on the return side by the rotation of the chain, it is dropped into the handling particle scattering port without discharging it outside the machine,
The present invention relates to an automatic grain culm feeding device for a threshing machine capable of efficiently collecting scattered grains and reducing scattered grains outside the machine.

[0002]

2. Description of the Related Art A conventional automatic feeder for cereals of this kind is shown in FIG.
As shown in FIG. 6, a chain receiving guide b arranged on the return side of the threshing feed chain a suspended between the driving side sprocket a 'and the driven side sprocket a "has an opening formed below the chain. It is provided in a long rail shape so as to straddle the upper part of the handling port scattered particle recovery port c in the front-rear direction, and has a reinforcing member c perpendicular to the return path of the threshing feed chain a. ′ Is projected on the opening side, the chain receiving guide b functions as a guide rail, and therefore, a short cut grain culm generated in the process of threshing by the rotation of the handling cylinder d , a long straw containing scattered grains , After the straw debris has passed through the pinching rail e and is carried to the return side by the rotation of the threshing feed chain a, it is guided and guided by the chain receiving guide b to be discharged out of the machine as it is, or the handle is scattered. Reinforcing member for grain collection port c Stuck on 'may not fall into 扱口 scattering particle collection port c, there is a problem that it can not efficiently collect scattered grains.

[0003]

SUMMARY OF THE INVENTION In view of the above situation, the present invention has been made in order to solve the conventional problems, and it is intended that the purpose of the present invention is to cut the ears generated during threshing. Even if culms, long straw containing scattered particles, straw waste, etc. are carried to the return side by turning the threshing feed chain, they are dropped into the handling scattered particle collection port without discharging them outside the machine, It is an object of the present invention to provide an automatic grain culm feeding device for a threshing machine capable of efficiently collecting scattered grains and reducing scattered grains outside the machine as much as possible.

[0004]

Means for Solving the Problems In order to solve the above problems, a first technical means adopted by the present invention is to form an opening at a lower side of a threshing feed chain, and to form an opening for handling scattered particles. In addition to providing a scattered grain introduction portion communicating with the grain swing sorter, a chain receiving guide is provided substantially at the center of the threshing feed chain in the front-rear direction on the return side, and the chain receiving guide is provided inside the handling scattered particle collecting port in plan view. Placed in a threshing feed
Including cut ear culm and scattered particles carried to the return side of chain
Long straw, straw debris, etc.
Handled by vertical vibration of threshing feed chain generated in the side part
Drops into the scattered particle collection port, and the kernels fall through the scattered particle introduction section.
It is characterized in that it is collected in a swing sorting body . A second technical means adopted by the present invention is that the chain receiving guide is provided slightly behind the center part of the threshing feed chain in the front-rear direction on the return side and arranged as close as possible to the threshing feed chain. It is characterized by the following.

[0005]

Therefore, according to the present invention, the return side of the threshing feed chain is bounded by the chain receiving guide, and upper and lower vibrations are applied to the front portion and the rear portion, respectively. Even if cut stalks, long straws including scattered grains, and straw chips are carried to the return side by the rotation of the threshing feed chain, the lower handle is caused by vertical vibration during the transfer process. It is shaken down to the scattered particle collection port and collected, and is not discharged outside the machine. In this case, if the chain receiving guide is provided slightly behind the central part on the return side of the threshing feed chain to increase the vertical vibration on the front side, the scattering particles can be collected more efficiently.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 to 4, reference numeral 1 denotes a handling room of an upper-handling threshing machine. In the handling room 1, a handling cylinder 2 is pivotally supported in the front-rear direction of the machine body. Reference numeral 3 denotes a crimp-shaped receiving net stretched below the handling room 1, and 4 denotes a grain culm supply port, which communicates with the grain culm supply port 4 and has a handle 5 in the front-rear direction of the handling room 1. Is formed, and an automatic grain stalk feeding device 6 is provided along the handling port 5. The automatic grain feeder 6 includes a threshing feed chain 6c suspended between a driving sprocket 6a and a driven sprocket 6b, and the threshing feed chain 6c.
And a clamping rail 7 disposed on the driving side of
The pinching rail 7 includes a plurality of rams 9, 9 mounted on a support frame 8.
… Is urged downward through.

Under the threshing feed chain 6c, there is an opening formed in the front and rear direction of the threshing feed chain 6c. The scattered particle introduction sections 10a and 10b provided before and after the threshing feed chain 6c are provided with:
A chain receiving guide which is communicated with a grain swing sorter 11 provided below the receiving net 3 and which is located substantially in the center of the threshing feed chain 6c in the front-rear direction of the threshing feed chain 6c in a plan view inside the handling spattered grain collection port 10. 12 is provided and fixed. That is, the chain receiving guide 12 is composed of a plate-shaped bracket 12a and a horizontal guide piece 12b whose front and rear edges are formed in a downwardly sloped shape, and is fixed in a state where the plate-shaped bracket 12a is in close contact with the handle side plate 13. . In addition, the chain receiving guide 1
The arrangement position of 2 may be arranged slightly behind the central portion, and may be arranged as close as possible to the threshing feed chain 6c. In this case, the vertical vibration of the front side of the threshing feed chain 6c is reduced. It can be further promoted.

A dust port 14 is formed at one rear end of the handling chamber 1, and a processing port chamber 1 communicates with the dust port 14 behind the dust port 14.
5 is provided, and the spiral feeder 1 is provided in the processing drum chamber 15.
A processing cylinder 15b formed integrally with 5a is supported by a shaft, and a receiving net 15c is stretched below the processing cylinder 15b. Reference numeral 16 denotes a sorting air path formed below the swing sorting body 11, and a pressure wind fan 17 is provided at a lower starting end side of the swing sorting body 11,
A pressurized air fan 18 is provided in an intermediate area of the sorting air path 16,
Further, a turbo fan 19 is provided on the end side. 2
Reference numeral 0 denotes a foremost port located below the sorting net 11a of the swing sorting body 11 and between the compressed air fan 18 and the turbo fan 19, and reference numeral 21 denotes a second port provided on the rear side of the turbo fan 19. The mouth, 21 a is a second spiral, and 22 is a suction fan provided in the air selection chamber 23 .

In the above configuration, when the spike side of the cut stalk is inserted into the handling room 1 from the stalk supply port 4,
The grain culm is transferred along the handle 5 by the rotation of the automatic grain culm supply device 6 with the stem culm portion held between the threshing feed chain 6c of the automatic grain culm supply device 6 and the clamping rail 7. In the process, the grains and contaminants that have been threshed by the handling cylinder 2 and leaked from the receiving net 4 onto the grain oscillating sorter 11 below are oscillated and sorted by the oscillating sorter 11 and blow through the sorting wind path 16. The specific gravity is sorted while being selected by the wind of the compressed air fan 17, and the grains settled to the lower layer in the process of the specific gravity selection are sequentially rocked and transferred to the sorting net 11 a, and the pressure of the compressed air fan 18 that blows through the sorting air passage 16. Only the grains are collected in the lowermost mouth 20 by being selected by the wind. In addition, impurities such as spikes, grain culms, and straw waste that are not collected in the first mouth 20 are collected in the second mouth 21 from the tip of the grain swing sorter 11, and the second spiral 21
It is reduced on the grain swing sorting body 11 through a and is subjected to re-sorting.

On the other hand, foreign substances such as cut ear culms sent into the processing drum chamber 15 by the spiral feeder 15a from the dust outlet 14 of the handling chamber 1 are subjected to a shedding action by the processing drum 15a to be formed into single grains. The kernels fall from the receiving net 15c to the sorting net 11a of the oscillating sorting body 11 and are collected at the first mouth 20. However, impurities such as straw chips are blown through the sorting wind path 16 by the turbo fan 19.
While being selected in the air selection chamber 23 by the compressed air, the air is discharged to the outside rear of the apparatus by the suction fan 22.

By the way, during the above-mentioned series of threshing operations, the culm of the ears and the scattered grains generated during the threshing operation are included.
When long straw, straw chips, or the like pass through the sandwiching rail 7, the threshing feed chain 6c may be carried to the return side by the rotation of the threshing feed chain 6c. The scattered particle introduction portions 10a, 10 communicating with the sorting body 11
A baffle scattered particle collection port 10 provided in front and rear of b is opened.
2 is provided substantially at the center in the front-rear direction of the threshing feed chain 6c in plan view, so that the return side of the threshing feed chain 6c is vertically vibrated at its front and rear portions with the chain receiving guide 12 as a boundary. Will be given. Therefore, and Meguwa been ear out culms have a scattering particle
Long straw, etc. Warakuzu dropped shaken扱口scattering particle collection port 10 of the lower side by the vertical vibration during transport, it is recovered without being discharged outside, via scattering particle inlet portion 10a, and 10b including Then, it falls onto the grain swing sorter 11 and is subjected to re-sorting.

In this case, if the chain receiving guide 12 is provided slightly behind the central portion on the return side of the threshing feed chain 6c to increase the vertical vibration on the front side, the scattering particles can be collected more efficiently. it can. Although not shown, if the brush-like member is attached to the threshing feed chain 6c protruding outside the machine from the handling mouth scattered particle collection port 10 so that the brush-shaped member is lightly contacted from the machine frame side, the scattered particles can be discharged outside the machine. This is convenient because it can prevent the threshing feed chain 6c as well as can prevent the threshing feed chain 6c.

[0013]

In short, the present invention provides a scattered grain collecting port at the lower side of the threshing feed chain, and a scattered grain introduction section communicating with the grain rocking sorter is provided before and after the opening. threshing feed chain receiving guide provided at a substantially central portion of the back side longitudinal chain, the chain receiving guide arranged扱口scattering particle collecting mouth in a plan view, threshing feed
Including cut ear culm and scattered particles carried to the return side of chain
Long straw, straw debris, etc.
Handled by vertical vibration of threshing feed chain generated in the side part
Drops into the scattered particle collection port, and the kernels fall through the scattered particle introduction section.
Since it is collected in a rocking sorter, it is possible to efficiently collect ear-cut grain culms carried around on the return side by rotation of the threshing feed chain, long straw containing scattered grains, straw waste, etc. It is possible to reduce the scatter of grains outside the machine as much as possible.

[Brief description of the drawings]

FIG. 1 is an overall side view of a threshing machine.

FIG. 2 is a rear view of the same main part.

FIG. 3 is a plan view of a main part of an automatic grain culm feeding device.

FIG. 4 is a perspective view of an essential part of the same.

FIG. 5 is a side view of a conventional automatic grain culm feeding device.

FIG. 6 is a plan view of a main part of the same.

[Explanation of symbols]

 6 Grain stalk automatic feeder 6c Threshing feed chain 10 Handle spatter particle collection port 10a Spatter particle introduction part 10b Spatter particle introduction part 12 Chain receiving guide

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A01F 12/10

Claims (2)

(57) [Claims] An opening is formed at the lower side of the threshing feed chain, and a scattering particle introduction portion communicating with the grain swing sorter is provided before and after the threshing feed chain, and before and after a return side of the threshing feed chain. A chain receiving guide is provided at a substantially central portion in the direction, and the chain receiving guide is disposed in the handling port scattered particle collection port in plan view, and is carried around to the return side of the threshing feed chain.
Long straw and straw waste including spikelets and scattered grains
Threshing fee generated at the front and rear parts of the receiving guide
Drops fall into the scattered particle collection port due to the vertical vibration of the dochien.
And then collect it into the grain oscillating sorter via the scattered grain introduction section.
Culms automatic feeder threshing machine, characterized in that there was Unishi. 2. The chain according to claim 1, wherein the chain receiving guide is provided rearwardly from the center of the threshing feed chain in the front-rear direction on the return side, and is arranged as close as possible to the threshing feed chain. An automatic grain culm feeding device for the threshing machine described in the above.