JP2544255Y2 - General purpose combine stem and stem transfer device - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention relates to a general-purpose combine in which cutting stems are thrown into and supplied to a transfer port provided on the starting end side of a handling room. The present invention relates to a stem / culm transfer device for smoothly transferring to a starting end side.

[0002]

2. Description of the Related Art A general-purpose combiner is provided with a handling room provided with a handling drum that rotates around an axis along the traveling direction of the machine body, and a pre-processing unit is provided in front of the handling room. The pre-processing unit is provided with a cutting blade for cutting corns and soybeans, and a feeder for collecting and feeding cut stalks at an obliquely rearward direction and throwing them to the starting end of the handling room. ing. The feeder includes a lifting mechanism including a pair of left and right transport chains wound around a lower sprocket and an upper sprocket, a transport protrusion attached to the transport chain with a predetermined pitch, and extending in the lateral direction. It is composed of a bottom plate arranged along the lower side of the upper mechanism, and the lifting mechanism that moves upward conveys the cutting stems and culms with the bottom plate located below, at the end of the upward movement The stem is thrown into the handling room and supplied, and the lifting mechanism is folded and moves downward.

The handling cylinder provided in the handling chamber is provided with a spiral blade wound around the outer circumference from the beginning of the conical portion to the end of the cylindrical portion, and a transfer blade provided at the beginning of the handling chamber. The mouth is formed in a cylindrical shape around the handle cylinder axis from the entrance side, which is a rectangular rectangle below the handle cylinder axis to the outer periphery of the cylindrical portion of the handle cylinder, and a feeder is provided at the transfer port. The supply port provided at the rear end communicates.

[0004]

Problems to be Solved by the Invention By the way, the above-mentioned relay port formed in a rectangular shape with the entrance side oriented sideways changes to a cylindrical shape around the axis of the handling cylinder at the depth side reaching the outer periphery of the cylindrical portion of the handling cylinder. A substantially triangular space portion is formed on both the left and right sides of the entrance side, but the handling cylinder has a downward rotation direction on the right side around the handling axis and a upward rotation direction on the left side in front view. When rotated in the direction, the spiral blades that rotate integrally with this blow-out space where the wind blows toward the transfer port on the downward rotation direction side of the handling cylinder, and the transfer port on the upward rotation direction side of the handling cylinder As a result, the stem is divided into an intake-side space that inhales from the outlet side toward the intake side, and a cut-and-stalk culm thrown in from the feeder is supplied in the intake-side space. Stagnant, from feeder Because the inflow is inhibited, Hui - da side there has been a problem that Tsumetsu.

Therefore, the present invention has been made in view of the above-mentioned conventional circumstances to solve the problem.
Provided is a general-purpose combine stem-culm transfer device that can smoothly handle stem-culms that are likely to stagnate in the intake-side space of the transfer opening by projecting a guide plate in the intake-side space of the transfer opening. It is implemented for the purpose of doing.

[0006]

In order to achieve the above object, the present invention is directed to a general-purpose combine 1 in which cut stems are thrown into a feed port 14 and supplied. The transfer port 14 is formed in a cylindrical shape around the handle cylinder shaft 7 on the depth side extending from the entrance side, which is a horizontally-oriented rectangular shape to the outer periphery of the cylindrical portion of the handle cylinder 9, and corresponds to the upward rotation direction side U of the handle cylinder 9. A guide plate 25 having a guide surface 24 approaching the outer diameter of the spiral blade 12 provided on the handling drum 9 and being inclined along the winding direction of the spiral blade 12 is provided in the intake side space K. is there.

[0007]

[Operation] Accordingly, a cylindrical portion around the handle cylinder shaft 7 is provided on the depth side extending from the entrance side, which is formed in a rectangular shape laterally below the handle cylinder shaft 7 to the outer periphery of the cylindrical portion of the handle cylinder 9. Outlet 1
Even in the general-purpose combiner 1 having the 4, the outer diameter of the spiral blade 12 provided in the handling cylinder 9 approaches the intake side space K of the transfer port 14 corresponding to the upward rotation direction side U of the handling cylinder 9. By projecting a guide plate 25 having a guide surface and inclined along the winding direction of the spiral blade 12, long straw or the like approaches the spiral blade 12 of the guide plate 25 projected in the intake side space K. Moving upward while being sucked by the spiral blades 12 rotating in the upward rotation direction side U while riding on the guide surface 24 that moves, in the suction-side space K between the throw-supplied stem and the stem that moves from the outlet-side space. The stagnation tendency is eliminated, and the cut stems thrown into the transfer port 14 are supplied to the handling cylinder 9.
Is smoothly transferred to

[0008]

[Embodiment] The drawings showing the present invention as an embodiment will be described below. As shown in FIG. 1, general-purpose combine 1
Is equipped with a well-known pre-processing mechanism (not shown) in front of it, and this pre-processing mechanism is provided with a cutting unit (not shown) for cutting corns, soybeans, and the like that are raised, and the cut stems and stalks are arranged in the center. It comprises a feeder 2 and the like which collects and lifts and conveys to a starting end side of a handling room 10 to be described later. The sorting unit 4 is arranged on a machine base 5 in a substantially horizontal direction, and crawler traveling units 6 that are paired on the left and right are arranged below the machine base 5.

The threshing unit 3 includes a handling cylinder 9 fixed to a handling cylinder shaft 7 rotatably supported along the traveling direction of the machine body, and a cylindrical shape surrounding the handling cylinder 9 at a predetermined interval. A handling room 10 including a handling network 11 is provided. The handling cylinder 9
Is composed of a conical portion on the starting end side and a cylindrical portion following the conical portion, and a spiral blade 12 which is a double type and has a large pitch P is attached from the conical portion to a length L of about 1/3 of the entire length of the cylindrical portion. However, the spiral blade 12 is attached to the small pitch p in a single form from the length L to the end of the cylindrical portion, and the small pitch p is about 1/2 of the large pitch P. Each of the spiral blades 12 has the same outer diameter from the conical portion to the cylindrical portion, and has teeth 13 attached at predetermined intervals. By providing the spiral blades 12 of the large pitch P on the starting end of the handling cylinder 9 in this manner, the rearward transfer of the coarsely treated thresh on the starting end of the handling cylinder 9 becomes smooth,
A large amount of stems can be efficiently threshed.

[0010] In addition, a tooth 13 attached to the spiral blade 12
Is the mounting angle Q equally dividing the circumference of the handling cylinder 9 as shown in FIG.
As shown in FIG. 1, the attachment angle Q within the length L of about 1/3 of the entire length of the cylindrical portion is set at about 40 degrees, which is obtained by dividing the circumference into nine equal parts. The handle teeth 13 are provided at coarse intervals on the starting end side of the barrel 9 and the mounting angle Q on the rear side of the length L is set to approximately 20 degrees, which is approximately equal to the circumference of the cylinder. The teeth 13 can be arranged closely. Thereby, on the starting end side of the handling cylinder 9, rough threshing can be performed by the coarsely spaced teeth 13 so that the rearward transfer can be performed smoothly with less required power. Threshing can be performed by the tooth handling 13.

Although not shown, the cylindrical handling net 11 may be supported by a plurality of driving rollers and driven at a low speed in the same direction as the handling cylinder 9 or in the opposite direction, or may be detachably fixed. . A transfer port 14 located below the handle cylinder shaft 7 is provided at the start end of the handling chamber 10, and a feed port 16 of a feeder cover 15 described later is connected to the transfer port 14 to feed the feeder. The harvested stalk culm lifted and transported by the damper 2 is thrown into the transfer port 14 of the handling room 10 and supplied.
At the end of 0, a discharge port 17 without a handling net 11 is provided.

As shown in FIG. 1, a horizontal upper shaft 19 rotatably supported on the upper portion of the feeder 2 is provided. A pair of left and right sprockets 21 fixed to the upper shaft 19 and a lower side (not shown) are provided. A pair of right and left transport chains 23 are wound around each of the sprockets. The right and left transport chains 23 are connected to each other by a number of laterally extending transport projections (not shown). Lifting mechanism 20
Is configured. A bottom plate 22 extending obliquely upward along the lower side of the transfer chain 23 is opposed to the base plate 22 at a predetermined interval, and the cut stems are lifted and transferred between the bottom plate 22 and the transfer protrusions moving upward. You.

At the transport end of the feeder 2, a feeder cover 15 is formed which is formed by a bottom plate 22 and both side walls and a top plate, and whose longitudinal section is formed in a horizontally long rectangle. The rear side is formed in an arc shape that covers a lifting mechanism 20 that rotates about the axis of the upper shaft 19 in a side view, and the cut stem culm is formed in the arc-shaped portion at the transfer port 14 of the handling chamber 10. The supply port 16 for throwing in and supplying is opened in a horizontal rectangle located below the handling cylinder shaft 7.

As shown in FIGS. 2 and 3, a transfer cylinder 26 is disposed at the start end of the handling chamber 10, and the inlet side of the transfer cylinder 26 is located below the handling cylinder shaft 7 and is sideways. And a cylindrical transfer port 14 located inside the handling net 11 on the depth side reaching the outer periphery of the cylindrical portion of the handling cylinder 9. On the left and right sides of the transfer port 14 about the handle cylinder shaft 7, a triangular blowing side space F corresponding to the downward rotation direction side D of the handle cylinder 9 and an upward rotation direction side U of the handle cylinder 9 are provided. A corresponding triangular intake side space K is formed, and the intake side space K has a substantially linear guide surface approaching the outer diameter of the spiral blade 12 attached to the outer periphery of the conical portion of the handling cylinder 9. A guide plate 25 having a projection 24 is projected, and the guide plate 25 is inclined at the same angle as the winding direction of the spiral blade 12 as shown by a chain line in FIG. Further, the guide surface 24 of the guide plate 25 may be formed in an arc shape approaching the outer diameter of the spiral blade 12.

[0015]

[Effects of the Invention] As described above, the present invention has a structure in which the width of the handle cylinder axis extends from the entrance side, which is a rectangular rectangle below the axis of the handle cylinder to the outer periphery of the cylinder of the handle cylinder. Even with a general-purpose combine having a cylindrically formed transfer port, the outer diameter of the spiral blade attached to the handle cylinder approaches the intake side space of the transfer port corresponding to the upward rotation direction side of the handle cylinder. Spiral blade that has a guide surface that extends and that is inclined along the winding direction of the spiral blade so as to protrude, so that long straw or the like rotates while riding on the guide surface of the guide plate that protrudes into the intake side space. The stalk culm thrown and supplied to the transfer port is eliminated because the stalk culm thrown into and supplied to the transfer port is eliminated because the stalk culm thrown and supplied and the stem culm moving from the blow-out side space stay in the suction side space. Can be smoothly transferred to the handling cylinder. Therefore, stem stalks that tend to stagnate in the intake side space of the transfer port can be smoothly transferred to the handling cylinder.

[Brief description of the drawings]

FIG. 1 is a side view of a general-purpose combine embodying the present invention.

FIG. 2 is a front view of a threshing unit showing a transfer port provided with a guide plate.

FIG. 3 is a side view of a handling chamber starting end showing a transfer port provided with a guide plate.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 General-purpose combine 2 Feeder 7 Handle shaft
9 handling cylinder 10 handling chamber 12 spiral blade 14 relay port 24 guide surface 25 guide plate 26 relay cylinder
U Upward rotation direction side D Downward rotation direction side F
Outlet side space K Inlet side space.

Claims (1)

(57) [Scope of request for utility model registration] 1. A general-purpose combine in which cutting stems are thrown into a transfer port provided on a starting end side of a handling chamber and supplied, wherein the transfer port has a rectangular shape which is horizontally oriented below the axis of a handling cylinder. A spiral formed in the cylinder on the depth side extending from the side to the outer periphery of the cylindrical portion of the handling cylinder, and formed on the handling cylinder in the intake side space of the relay port corresponding to the upward rotation direction side of the handling cylinder on the depth side. A stem / culm transfer device for a general-purpose combine having a guide surface approaching the outer diameter of the blade and projecting a guide plate inclined along the winding direction of the spiral blade.