JP2556807Y2 - General-purpose combine receiving network structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a net receiving structure which can be applied to a handling room of a general-purpose combine into which cutting stalks are thrown and supplied. The present invention relates to a general-purpose combine receiving network structure including a crimping network and a concave portion in the second half.

[0002]

2. Description of the Related Art In general-purpose combine harvesters, stalks such as rice, wheat, buckwheat, and soybeans are thrown and supplied to the beginning of a handling room. The thrown and fed stalk culm is threshed while moving from the beginning to the end of the handling chamber along the length of the handling cylinder by the spiral blade, but the entire cutting stalk is thrown into the handling chamber. The amount of stem and culm moving in the handling room becomes extremely large because of the supplied relationship.

[0003] When the amount of stem culm moving in the handling room is large, the amount of grain mixed in the threshing stalk culm and conveyed to the discharge port at the end of the handling room without leaking the receiving net increases. There is a problem.

[0004]

[Problems to be solved by the present invention] As a solution to this problem, a receiving net connected to a handling cylinder was conventionally used for rice, wheat, and wheat.
When threshing buckwheat, etc., the material to be threshed is applied to a crimping net with a relatively low leakage rate but good threshing treatment, or a punched iron plate with a large number of leak holes drilled in an iron plate. The fact is that they are properly used.

However, the replacement of the receiving net each time is troublesome, and the receiving net made of a crimped net or a punched iron plate still has a low leakage rate of the grain. Damage is caused by being carried around, and the quality of the products is reduced due to the deterioration of the rating grade.Therefore, there is a problem that the revenue is reduced. In that case, there is a problem that the function of sorting the grains is most deteriorated.

Accordingly, the present invention has been made in view of the above-mentioned conventional circumstances to solve the problem.
The crimping net in the first half with good threshing treatment for the receiving net of the handling room,
It is implemented with the aim of providing a receiving network structure of a general-purpose combine that can improve the leak rate from the receiving network without lowering the sorting function by comprising the latter half of the concave with a high leakage rate. is there.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is directed to a general-purpose combiner in which a handling cylinder having spiral blades is disposed in a handling chamber into which cutting culms are thrown and supplied, and a receiving net provided in the handling chamber. Consists of a crimp net in the first half and a concave in the second half, and divides the concave in the circumferential direction.
A plurality of unit receiving networks, the unit receiving network comprising an arc
A pair of front and rear horizontal support frames that curve in a shape, and fixed to the horizontal support frames
A pair of front and rear support frames on the left and right along the length direction of the
Multiple reinforcement frames fixed to the front and rear support frames and curved in an arc shape
And a circular cross section along the length direction of the handling cylinder on the reinforcing frame.
Rods are arranged side by side, and the upper surface of the rods is
The spiral frame protrudes from the upper edge of the strong frame toward the spiral blade, and a leakage hole formed between the rods is provided.

[0008]

[Operation] Therefore, even in the case of the general-purpose combine C in which the amount of stems and culms moving in the handling room 7 increases because the cut stems are thrown into the handling room 7 and supplied, the receiving members provided in the handling room 7 are provided. By forming the net 13 from the crimp net 34 provided in the front half of the length of the handling cylinder 10 and the concave 35 provided in the rear half, the kernels leak on the crimp net 34 in the front half. A smooth threshing process utilizing the characteristics of the crimping net is provided while performing.

The concave 35 in the latter half has a handle cylinder 1
By providing the respective leak holes 37 formed between a number of rods 36 arranged side by side along the length direction of 0, thresh that has been smoothly threshed on the crimping net 34 in the first half can be formed. When moving on the concave portion 35 in the latter half, thresh and grains are smoothly leaked from the leak hole 37 along the length of the handling cylinder, and especially from the concave portion 35 arranged in the latter portion. Since the leakage rate is improved, even in the threshing of soybeans, the damage due to the carry-in phenomenon in the handling room is reduced, and it becomes unnecessary to replace the receiving net according to the conventional materials.

Further, the thresh and the grains that have leaked from the concave 35 in the latter half are deposited on the second half sorting mechanism including the second half of the sheave sheave 44, the second swinging and sorting plate 47 and the stroller 49, and the like. Since it does not fall and directly falls on the first grain sorting mechanism including the first swing transfer sorting plate 43 and the first half of the sheave sheave 44, the sorting function in the sorting unit is not reduced.

[0011]

[Embodiment] The drawings showing the present invention as an embodiment will be described below. In FIG. 12, the general-purpose combine C
Is a stem and culm cut by the cutting unit 1 between a cutting unit 1 on the front side disposed near the field scene and a threshing unit 2 on the rear side disposed higher than the cutting unit 1. A feeder 3 is provided for lifting and transporting to the threshing unit 2 at the rear upper side. The cutting unit 1 includes a clipper-type cutting blade 5, a reel 4 for guiding the raised hair culm to the clipper-type cutting blade 5 while rotating, and a cutting stem 5 disposed at the rear of the cutting blade 5 to hold the cutting stem to the machine width center. And an auger 6 conveyed toward the starting end of the feeder 3 while moving toward the side. The harvested stalk culm lifted and conveyed by the feeder 3 is supplied as it is by throwing the entire stalk culm directly into the starting end of the handling room 7 provided in the threshing unit 2.

In the handling room 7 of the threshing unit 2, a handling cylinder 10 having a starting end formed on an inclined portion 9 is provided.
And the handling cylinder 10 is inclined at an angle θ with respect to the front surface of the inclined portion 9 so that the rear side is upward, so that the stem culm conveyed from the end of the feeder 3 can be smoothly transferred. At the same time, a predetermined resistance is given to the conveyance by the spiral blades 12 described later, so that a good threshing operation can be performed.

The slanted handling cylinder 10 is fixed to a handling cylinder shaft 11 extending along the inclination direction, and a spiral blade 12 continuous in a spiral shape is fixed to the outer periphery of the handling cylinder 10. The pitch P of the spiral blade 12 and the length L of the inclined portion 9 provided on the start end side are provided substantially coincident with each other, and the spiral blade 12 provided on the inclined portion 9 has a double spiral structure. On the spiral blade 12 excluding the inclined portion 9, processing teeth 8 formed at a height protruding from the outer diameter of the blade 12 are attached by mounting bolts, and the processing teeth 8 are viewed from the front as shown in FIG. Each is attached at a position that divides the circumference of the spiral blade 12 into nine equal parts. As shown in FIG. 2, the outer diameter of the spiral blade 12 protruding from the outer diameter of the handling cylinder 10 has a cylindrical receiving net 13 having a narrow lower side and a wider upper side with the outer diameter.
Are opposed to each other. That is, the inner diameter D of the receiving net 13 is formed in a cylindrical shape with a radius centered on a center point O eccentric by a height H above the center of the handling cylinder shaft 11 that supports the handling cylinder 10. I have. As shown in FIGS. 2 and 3, the cylindrical receiving net 13 is formed by dividing a unit receiving net X, which is divided into three equal parts in the circumferential direction, through dividing parts 14 provided at angles of 120 degrees from each other in the longitudinal direction. A total of six pieces are detachably provided so as to be integrally connected to the front half part Y of the crimp net 34 and the rear half part Z of the concave 35 via the cable 15. Further, as shown in FIG. 1, the cylindrical receiving net 13 is supported by a pair of left and right drive rollers 16 which support the front and rear ends in the longitudinal direction and both the front and rear sides of the longitudinal dividing portion 15 from below. ing. The drive roller 16 is attached and fixed to a pair of left and right roller drive shafts 17 extending along the axial direction of the handle cylinder shaft 11, and the roller drive shaft 17 is provided with a bearing 19 fixed to a front partition and a split portion. The lower part 15 is rotatably supported by a bearing 20 fixed to a bracket 20a provided between the front and rear drive rollers 16, 16, and a bearing 20 fixed to a bracket 20a provided at the end.

Sprockets 21 are fixed to the shaft ends of the respective roller drive shafts 17 projecting forward from the bearings 19, and each sprocket 21 is driven in the same direction via a transmission chain (not shown). In the standard threshing operation, the cylindrical receiving net 13 is driven in the reverse direction at about 100 revolutions / minute, but only one of the roller driving shafts 17 may be driven.

As shown in FIG. 11, the upper part of the handling room 7 is covered with a detachably provided handling room cover 22. The handling room cover 22 supports the cylindrical receiving net 13 from above. The guide rollers 23 are respectively supported on a bracket 23a having a U-shaped cross section fixed to the inside of the handling chamber cover 22 so as to freely rotate. Are provided at positions for guiding the cylindrical receiving net 13 between the front and rear ends in the longitudinal direction and the dividing portion 15, respectively.

The unit receiving net X of the first half Y constituted by the crimping net 34 has a pair of front and rear portions which are curved in an arc along a direction perpendicular to the axis of the handling cylinder shaft 11 as shown in FIGS. A horizontal support frame 13a, a pair of left and right front and rear support frames 13b for connecting and fixing the left and right sides of the horizontal support frame 13a along the axis of the barrel shaft 11, a front and rear support frame 13b, and the horizontal support frame 1;
A crimping net 34 is attached on a diameter D centered on the point O, which is composed of a plurality of horizontal reinforcing frames 13c and front and rear reinforcing frames 13d for connecting and fixing the frame 3a.

The unit net X of the rear half portion Z formed in the concave 35 has a pair of front and rear laterally curved arcs along a direction perpendicular to the axis of the handle shaft 11 as shown in FIGS. the supporting frame 36a, a pair of right and left front and rear support frame 36b of the left and right sides to connect fixed along the axis of the threshing drum axis 11 of the transverse support frame 36a, the back and forth supporting frame 36 b is left and right sides are fixed and handling is composed of a plurality of reinforcement frame 36c curved in an arc shape along the direction perpendicular to the axis of the cylinder shaft 11, on the diameter D of the center point O, each with respective horizontal support frame 36a of the front and rear number of the rod-like body to be arranged fixed to the auxiliary <br/> strong frame 36c 36, 3
6 and 36 are provided, and the large number of rods 36, 36 and 3 are provided.
A large number of leak holes 37, 37,
37 are formed. This rod 36 is a round rod having a circular cross section as shown in FIG. 8 and its upper surface is defined by the upper edge of the reinforcing frame 36c.
By projecting toward the spiral blade 12 side, the spiral blade
No grain is sandwiched between 12 and the reinforcing frame 36c, and
Even if the grain is sandwiched between the spiral blade and the rod 36, the grain is cut.
Sliding on the surface of the circular bar 36,
Since it falls into the leak hole 37, damage to the grain can be prevented .
Around the point O by the rod-like body 36 which is arranged fixed to the transverse support frame 3 6 a及beauty reinforcement frame 36c upper surface (inner surface) which is curved along a circular path centered on the point O as shown in FIG. 8 Diameter D
It is arranged above.

The pitch of the rod 36 provided on the concave 34 may be P, as shown in FIGS. 3 and 9, in which the entire unit receiving network X constituting the rear half Z is the same, but is shown as another example. As shown in FIG. 10, when the pitch at the start end along the length of the rear half portion Z is P1, the pitch at the middle portion is P2, and the pitch at the end portion is P3, the respective pitches are successively approached to the end portion (in the direction of the arrow). P1 <P2 <P3 so that the pitch between the rods 36 gradually increases. In this case, as shown in FIG. 10, the front and rear reinforcing frames 36c are fixed by overlapping such that two sheets form a set. The pair of front and rear lateral support frames 13a and 36a are provided with
A pair of front and rear guide rails 25 which are curved in an arc shape along the direction orthogonal to the axis of the shaft and have the maximum diameter around the point O are fixed, and each of the guide rails 25 is attached to the outer periphery when it is joined in a cylindrical shape. The guide rail 25 is divided into three equal parts in the circumferential direction so that no step is formed, and the guide rails 25 are supported by the respective drive rollers 16. Further, a large number of alternately provided joint pipes 26 are fixed to both end faces of the front and rear support frames 13b and 36b so as to connect three adjacent unit receiving nets X in the circumferential direction. Pipe 2
Numeral 6 is a hinge-type joint pipe that connects adjacent unit receiving nets X via a detachable connecting rod 27.

As shown in FIG. 3, the connecting rod 27 is composed of a rear connecting rod 27a inserted from the rear side and a front inserting rod 27b having a shorter overall length and inserted from the front side.
Three lengths are provided. The three front insertion rods 27b inserted from the front side join the unit receiving net X serving as the front half Y in a cylindrical shape, but the three rear insertion rods 27a inserted from the rear end are connected to the rear half. At the same time, the three unit receiving nets X serving as the part Z are cylindrically connected via the joint pipe 26, and at the same time, the front half Y and the rear half Z are projected forward longer than the unit receiving network X serving as the rear half Z. It is provided with a length that is coupled in the length direction via the dividing portion 15. Also, the second half Z
A spacer 29 fixed to the front surface of the horizontal support frame 13a is provided on the front side of the unit receiving net X constituting
Is configured.

A supply port 30 connected to the end of the feeder 3 is opened in the front wall of the handling chamber 7, and the inlet side of the supply port 30 is wide and high in a front view as shown in FIG. The width B is substantially equal to the outer diameter E of the processing tooth 8. Further, the depth side of the supply port 30 is formed as a circular guide cylinder 31 that surrounds the outer diameter of the cylindrical portion of the handling cylinder 10 at intervals, and is formed in a cylindrical shape at the outer diameter of the depth side of the guide cylinder 31. The inner diameter of the receiving net 13 faces.

In the above, an example in which the cylindrical receiving net 13 is driven to rotate has been described. However, the receiving net 13 may be fixed so that it can be turned upside down without rotating. The receiving net 13 may be formed in a semicircular shape provided only on the lower side of the handling cylinder 10 without being formed in a cylindrical shape, and may be fixed. As shown in FIG. 12, at the end of the handling chamber 7, a discharge chamber 40 formed by a plurality of discharge blades fixed to the end of the handling cylinder 10 behind the rear end of the cylindrical receiving net 13 is provided. A discharge port 42 is opened in the discharge chamber 40. On the other hand, a sorting unit is provided below the handling room 7, and the sorting unit is configured to swing and sort the leaked material leaked from the receiving net 13 to the rear while performing the first swinging upward slanting operation. A transfer screening plate 43 and a tube sheave 44 connected to the rear end of the screening plate 43; and a lower swinging and upwardly swinging second swing transfer screening plate 45 and a rear end of the screening plate 45 connected to the rear end of the screening plate 43. Sorting net 46, a second swinging transfer sorting plate 47 disposed at a predetermined distance from the rear end of the sorting net 46, and a plurality of diagonally upwardly connected to the rear end of the sorting plate 47. Is provided.

Further, a first fan 50 is provided below the first swing transfer sorting plate 43, and a second fan 51 is provided below the second swing transfer sorting plate 45, respectively. In front of 51, a first grain conveying spiral 52 for collecting the first grain leaked from the sorting net 46 is provided. A third fan 53 is disposed behind the first grain conveying spiral 52, and a second product conveying spiral 54 is disposed in front of the third fan 53.
Are arranged. A first grain return flow plate 55 is provided between the first grain transport spiral 52 and the third fan 53, and a second product return flow plate 56 is provided from below to above the stroller 49. This secondary return plate 56
Exhaust port 5 for exhausting dust outside the machine from above to behind
7 are opened, and a pair of left and right crawlers 59 are provided below these sorting units.

[0023]

[Effects of the Invention] As described above, the present invention can be applied to a general-purpose combine in which the amount of stems and culms moving in the handling room increases because the cut stems are thrown into the handling room and supplied.
The receiving net provided in the handling room is composed of a crimp net in the first half of the length of the handling cylinder and a concave in the second half, so that the crimp net in the first half utilizes the characteristics of the crimp net while allowing the grains to leak. A smooth threshing process can be provided.

Moreover, when the thresh that has been smoothly threshed on the crimping net in the first half moves on the concave in the second half, the thresh and the grain formed in the length direction of the handling cylinder are leaked. Since the fluid leaks smoothly from the hole and the leak rate from the concave in the rear half is improved, it is not necessary to replace the receiving network according to the conventional material. Furthermore, threshed grains and grains that have leaked from the second half of the concave fall onto the second sorting mechanism and do not fall directly on the first grain sorting mechanism. There is no.

Further , the rod-shaped body is made circular in cross section,
The upper surface protrudes from the upper edge of the reinforcing frame toward the spiral blade.
Therefore, no grain can be sandwiched between the spiral blade and the reinforcing frame.
And the grain is sandwiched between the spiral blade and the rod,
Is slipping on the surface of a rod with a circular cross section,
Falling into the hole, the grain is not damaged, and high quality grain is obtained
And threshing efficiency is high.

[Brief description of the drawings]

FIG. 1 is a longitudinal side view of a receiving network according to the present invention.

FIG. 2 is a longitudinal sectional front view of a cylindrical receiving net showing a crimp net divided into three equal parts in a circumferential direction.

FIG. 3 is a side view of a unit receiving network showing a first half crimp network and a second half concave;

FIG. 4 is a vertical sectional front view showing a main part of a division part.

FIG. 5 is a vertical sectional side view showing a mounting state of a receiving net at a supply port.

FIG. 6 is an enlarged vertical sectional side view showing a main part of a receiving network configured as a crimping network.

FIG. 7 is an enlarged vertical sectional side view showing a main part of a receiving network formed in a concave.

FIG. 8 is a longitudinal sectional front view showing an enlarged main part of a receiving network formed in a concave;

FIG. 9 is a plan view as viewed from the direction of arrow F in FIG. 8;

FIG. 10 is a plan view as viewed from an arrow F of FIG. 8, showing another example.

FIG. 11 is a front view of a threshing unit showing a handling room.

FIG. 12 is an overall side view of a general-purpose combiner showing a main part in cross section.

[Explanation of symbols]

C Combine 7 Handling room 12 Spiral blade 1
DESCRIPTION OF SYMBOLS 3 Receiving net 10 Handling cylinder 34 Crimp net 35 Concave 36 Bar-shaped body 37 Leakage hole 43 1st swing transfer sorting plate
44 Chab sieve 47 Second object swing transfer sorting plate
49 Stroller X Unit receiving network Y First half Z Second half.

Claims (1)

(57) [Scope of request for utility model registration] In a general-purpose combiner, wherein a handling cylinder having spiral blades is disposed in a handling chamber into which cut culms are thrown and supplied,
The receiving net provided in the handling room is composed of a crimp net in the first half and a concave in the latter half, and the concave is divided in the circumferential direction.
And a plurality of unit receiving networks X to be divided.
Is a pair of front and rear horizontal support frames 36a curved in an arc shape,
Right and left along the length direction of the handling cylinder fixed to the horizontal support frame 36a
A pair of front and rear support frames 36b, and fixed to the front and rear support frames 36b.
And a plurality of reinforcing frames 36c curved in an arc shape,
A rod having a circular cross section along the length direction of the handling cylinder is provided on the reinforcing frame 36c.
And the upper surface of the rod 36 is
Project from the upper edge of the reinforcing frame 36c toward the spiral blade,
A general-purpose combine receiving net structure in which a leakage hole formed between the rod-shaped members 36 is provided.