JP2595991Y2 - Handling device in threshing equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a dismantling cylinder in a threshing apparatus such as a combine.

[0002]

2. Description of the Related Art Conventionally, in order to carry out maintenance work such as repair and inspection of a handling room in a threshing apparatus, replacement of a handling cylinder, etc., a handling cylinder has been extracted from a handling room. In that case, if the drive shaft (handle cylinder shaft) penetrates and is attached to the handling cylinder, it is necessary to take out the drive shaft and the handle cylinder integrally, and the bearing portion of the drive shaft in the handling chamber is required. Since these operations involve disassembly, those operations are extremely troublesome.

[0003] To solve this inconvenience, Japanese Utility Model Application
In Japanese Patent No. 75240, a drive shaft and a support shaft (driven shaft) are rotatably supported on the front and rear side plates of the handling chamber so as to face a pair of front and rear disc-shaped end plates of the handling cylinder in a straight line. Disc-shaped support portions attached to the free ends of the drive shaft and the support shaft facing each of the end plates are provided with engagement members extending radially outward along a plane including the axis of the drive shaft and the support shaft. Each of the engagement members is fitted into a slidable and outwardly-opening guide groove on the disk-shaped support portion projecting from the outer surface of the pair of front and rear end plates of the handling cylinder. The inner surfaces of the front and rear side plates straddle the lower side of the outer peripheral surface of the disk-shaped support portion of the drive shaft and the support shaft, and the lower side of the outer peripheral surface of the pair of front and rear disk-shaped support portions of the handling cylinder. At least a pair of lower support rollers that are rotatably supported in contact with the The pair of support plates before and after extending from over body, discloses a structure in which an upper support roller for supporting said two supporting portion outer peripheral surface abuts straddling the upper of.

[0004]

According to this configuration, however, the space between the upper support roller, the lower support roller, and the disk-shaped support portion is exposed in the handling chamber when the handling cylinder is rotated in the threshing operation. Therefore, straw is wrapped between the support portion and the support roller, and grains are easily bitten. Therefore, there is a problem that the resistance of the handling cylinder drive becomes too large, a rotation failure occurs, and a problem is that the grain is ground and the grain damage rate increases.

The present invention has been made in order to solve these problems. The present invention facilitates the handling of the handling cylinder at the time of maintenance and repair of the handling room and the handling cylinder, and also facilitates threshing work. It is an object of the present invention to provide a handling drum device in a threshing device which can be executed in a short time.

[0006]

In order to achieve the above object, a handling cylinder device in a threshing device of the present invention is provided with a handling cylinder that rotates around an axis of a drive shaft and a driven shaft that are separately arranged in front and rear of a handling room. An arc-shaped first body plate having a support body fixed to a free end facing each of the drive shaft and the driven shaft, and a handling cylinder fixed to a pair of front and rear disc-shaped end plates;
It is constituted by an arc-shaped second body plate that can be separated from the body plate, and each of the supports and the handling cylinder are detachably connected to each other. A guide groove extending and opening toward the outer surface of each end plate is provided, and a guide engagement body projecting from each support of the drive shaft and the driven shaft is inserted into and engaged with each guide groove, and One end opening of the groove faces the location of the second body plate.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a front view of a main part of a threshing device in a combine or the like, in which a handling room 1 has a pair of left and right side plates 2a and 2b and a lower portion thereof. , And an upper cover body 5 openably and closably mounted at four hinges at one end of the upper end, and a handling cylinder 6 described later is provided in the handling chamber 1 with an axis of a drive shaft 7 thereof. Are arranged so as to extend at right angles to the paper surface.

A grain culm (see FIG. 1) sandwiched between a feed chain 8 arranged along the outer surface of one side plate 2a and a squeezing rod 9 provided to urge the end of the upper cover body 5 downward. (Not shown) is conveyed from the starting end side of the handling cylinder 6 along the end direction, and a grain culm tip is introduced between the lower outer periphery of the handling cylinder 6 rotating in the direction of arrow A in FIG. A sifting device and a wind sifting device which are threshed by a large number of teeth 24 planted on a first body plate 10 and a second body plate 11 of the handling cylinder 6 which will be described later, and oscillate below the crimp net 3 Grains and straw chips are sorted by a device (both not shown), and the grains are taken out from a receiving trough below the rocking sorting device.

FIG. 2 is an exploded perspective view of the handling cylinder 6, and FIG. 3 is a side sectional view. The handling cylinder 6 has a pair of front and rear disc-shaped end plates 12,1.
3 and an arc-shaped second body plate 11 which is separable from the first body plate 10, and both ends of the first body plate 10 and the second body plate 11. Both ends of the body plate 11 are connected by a plurality of bolts 14. A plurality of reinforcing rods 32 are fixed between the inner surfaces of the pair of front and rear disc-shaped end plates 12 and 13.

On the other hand, the drive shaft 7 and the driven shaft 15 which are divided and arranged in the front and rear in the handling room 1 are so arranged that their axes coincide with each other.
The front plate 16 and the rear plate 17 are rotatably provided via bearings 18 and 19, and the drive shaft 7 is driven to rotate via a drive pulley 20 and a belt 21. Power is transmitted from a driven pulley 22 attached to the driven shaft 15 to another device via a belt 23.
A disk-shaped front support 25 and a rear support 26 are fixed to the free ends of the drive shaft 7 and the driven shaft 15, respectively, so as to face the end plates 12, 13 of the handling cylinder 6.

The circumferential edge piece 2 of the front support 25
5a and the front edge of the first body plate 10 and the front edge of the second body plate 11 in the handling cylinder 6 are overlapped and fastened with bolts 27, and the circumferential edge piece 26a in the rear support 26 and the handling cylinder 6 And the rear edge of the first body plate 10 and the rear edge of the second body plate 11 are overlapped and fastened with bolts 27. As shown in FIGS. 2, 3, and 4, the front support 25 and the rear support 26 have a pair of front and rear end plates 12 and 13 respectively extending in the diametric direction, A guide rail 29 having a U-shaped cross section for fixing a long guide groove 28 opening toward the outer surfaces of the plates 12 and 13 is fixed. On the other hand, a pair of rotating rollers 30, 30 serving as guide engaging members protruding from the front support 25 attached to the drive shaft 7, and a guide engaging member projecting from the rear support 26 attaching to the driven shaft 15. Are located on a plane including the axes of the drive shaft 7 and the driven shaft 15 and have an appropriate distance H between the respective axes.
It is attached via a bearing to each support shaft 31 protruding at a position decentered only by the shaft.

Further, the second body plate 11 is provided with a first body plate 10.
The guide rails 29 at the front and rear positions in FIG. In this configuration, in order to mount the handling cylinder 6 in the handling chamber 1, the upper cover body 5 is opened as shown by a two-dot chain line in FIG. 1, and the front support 25 on the drive shaft 7 side and the A pair of rotating rollers 30, 30 respectively attached to the rear support 26, are stopped so as to be positioned vertically and vertically (see FIG. 4).
3 is fixed to the first body plate 10 such that the open ends of the guide rails 29, 29 at the front and rear thereof face downward from the state shown by the two-dot chain line in FIG. The pair of rotating rollers 30 are inserted into the guide grooves 28 of the guide rail 29 so as to fit.

Next, the circumferential edge piece 25a of the front support 25
And the front edge of the first body plate 10 in the handle cylinder 6 are overlapped and fastened with bolts 27, and the circumferential edge piece 2 in the rear support 26 is
6 a and the rear edge of the first body plate 10 of the handling cylinder 6 are overlapped and fastened with bolts 27. In this state, the drive shaft 7 is rotated substantially half a turn so that the second body plate 11 is overlapped on both longitudinal edges of the body 1 body plate 10, the two body plates 10, 11 are connected by bolts 14, and the drive shaft 7 is slightly rotated. Is rotated so that the front edge of the second body plate 11 is overlapped with the front edge of the first body plate 10 and fastened with bolts 27, and the rear edge of the second body plate 11 is attached to the first body plate 10 And fastened with bolts 27. As a result, the handling cylinder 6 is attached to the drive shaft 7 and the driven shaft 15, and one end opening of each of the guide rails 29 is closed by the attached second body plate 11. Handling cylinder 6
Is rotating around the axis of the drive shaft 7 and performing threshing work, straw or grains enter the gap between the rotating roller 30 and the guide rail 29 to increase rotation resistance, or Problems such as crushing can be prevented. In addition, even when the handling cylinder 6 rotates, the guide rail 29 can be supported by the plurality of rotating rollers 30 to perform a part of the rotation transmission.

To remove the handling cylinder 6 during maintenance and inspection of the handling room 1 and the handling cylinder 6, the disassembly is performed in the reverse order of the above-described assembly. That is, the connection bolt 27 between the pair of front and rear end plates 12 and 13 of the handling cylinder 6 and the front and rear edges of the second body plate 11 and the first body plate 1
In the direction in which the second body plate 11 is opened by opening the upper cover body 5 by removing the connecting bolts 14 with the zero (0), the arrow B direction shown in FIG. Pulling out the connecting bolt 27 between the pair of front and rear end plates 12 and 13 and the front and rear edges of the first body plate 10 while rotating the handling cylinder 6 substantially half a turn
, And the one in which the first body 10 and the front and rear end plates 12 and 13 are integrated is directed substantially upward (in the direction of arrow B shown in FIG. 5B).
You just have to pull it out.

Instead of the pair of rotary rollers 30 in the above-described embodiment, one or a plurality of elliptical or rectangular guide engaging members which are smoothly inserted into the guide grooves 28 of the respective guide rails 29 are attached to the support shaft 31. It may be mounted via a bearing. If a plurality of guide engaging members are arranged at appropriate intervals with respect to the elongated guide rail 29 as in the above-mentioned rotary rollers 30, 30, attachment and detachment to and from the drive shaft 7 and the driven shaft 15 side. Guidance work of the heavy handling cylinder 6 at the time of work becomes extremely easy.

Further, the second body plate 11 may not have a semicircular arc shape, but may have a width dimension sufficient to cover an open end of the guide rail 29 at one end.

[0017]

As described above, according to the present invention, the support is fixed to the free ends of the divided drive shaft and the driven shaft facing each other before and after the inside of the handling room, while the handling cylinder is An arc-shaped first body plate fixed to a pair of front and rear disc-shaped end plates, and an arc-shaped second body plate separable from the first body plate. A pair of front and rear end plates of the handling cylinder are provided with guide grooves extending in the diametric direction and opening toward the outer surface of each end plate, and the drive is provided in each of the guide grooves. A guide engagement body protruding from each support body of the shaft and the driven shaft is inserted and engaged, and one end opening portion of the guide groove faces the location of the second body plate. Since the first body plate fixed to the end plate can be disassembled into a heavy portion and a lighter second body plate, it is bulky. In addition, the assembling and disassembling work of the heavy handling cylinder can be easily performed, while the open end of the guide groove can be completely covered with the second body plate to be in a sealed state. Also, there is an effect that straw chips and grains do not enter between the guide groove and the guide engagement body, and the rotation of the handling cylinder can be smoothly performed.

[Brief description of the drawings]

FIG. 1 is a front view of a handling room.

FIG. 2 is an exploded perspective view of the handling cylinder.

FIG. 3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a side sectional view showing a mounted state of the handling cylinder.

5A is a cross-sectional explanatory view illustrating a state in which a second body plate is removed, and FIG. 5B is a cross-sectional explanatory view illustrating a state in which a first body plate and the like are removed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Handling room 5 Upper cover body 6 Handling cylinder 7 Drive shaft 10 First body plate 11 Second body plate 12, 13 End plate 14, 27 Bolt 15 Follower shaft 25 Front support 26 Rear support 28 Guide groove 29 Guide rail 30 Rotary Roller as Guide Engagement Body 31 Support Shaft

Claims (1)

(57) [Scope of request for utility model registration] 1. A handling drum device which rotates around the axis of a driving shaft and a driven shaft which are divided and arranged in front and rear in a handling room, wherein a support is fixed to free ends of the driving shaft and the driven shaft facing each other. On the other hand, the handling cylinder is constituted by an arc-shaped first body plate fixed to a pair of front and rear disc-shaped end plates, and an arc-shaped second body plate separable from the first body plate, Each support and the handling cylinder are detachably connected to each other, and a pair of front and rear end plates of the handling cylinder are provided with guide grooves extending in the diametric direction and opening toward the outer surface of each end plate. A guide engaging body protruding from each of the support members of the drive shaft and the driven shaft is inserted into and engaged with the groove, and one end opening of the guide groove faces the location of the second body plate. Handling equipment in threshing equipment.