JPH0420189Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field This invention is a disc cutter device installed on a combine harvester, etc., in which a group of rotary blades is pulled out to the side in order to facilitate cleaning and maintenance of the cutter device. The present invention relates to the structure of a cutter device configured as described above.

(b) Prior art As a configuration for facilitating maintenance and cleaning of a conventional cutter device, for example,
As in No. 57-22752, divide the input side rotating shaft into two,
There was a prior art technique in which the rotating shafts were connected by flanges, both ends were supported by bearings, and when the blades were to be replaced, the flanges were uncoupled, the bearings were removed, and the blades could be removed from both sides.

(c) Problems that the invention aims to solve With the method of dividing the axis into two as described above, first,
Covers covering the cutter device had to be removed and flange fasteners within the frame had to be removed. Therefore, maintenance work has become extremely troublesome, as it requires the effort of removing nuts and the like, and the need to reach from outside the machine frame.

(d) Means for solving the problems In order to solve the above problems, the present invention is constructed as follows.

In the disk cutter device, a low speed rotation shaft 6, a high speed rotation shaft 30, and storage frame pipes 52, 53 are supported on the machine frame 10 side, and a low speed pipe shaft 12, a high speed pipe shaft 3 are supported on the slide frame 25.
2. Support the sliding frame pipes 50 and 51, and connect the low-speed pipe shaft 12 to the low-speed rotation shaft 6 and the high-speed rotation shaft 3
0, high speed pipe shaft 32, sliding frame pipe 5
The storage frame pipes 52 and 53 are fitted into the storage frame pipes 0 and 51, respectively, so that the high-speed rotary blade group and the low-speed rotary blade group can be slid and fixed arbitrarily to the side of the machine frame 10, and the high-speed rotary blade group and the low-speed rotary blade group can be slid and fixed to the sides of the machine frame 10. color 1
1. Fit the low-speed rotary blade 4 and the spacer 16 so that they can be slid and removed, tighten and fix them with the tightening nut 20 at the end of the slide frame 25 side of the low-speed pipe shaft 12, and place the collar on the high-speed pipe shaft 32. 3
1. The high-speed rotary blade 5 and the spacer 36 are slidably and detachably engaged and fixed with a tightening nut 40 at the end of the high-speed pipe shaft 32 on the slide frame 25 side.

(E) Embodiments and operations The purpose of the present invention is as described above, and the operation thereof will be explained together with the structure of the present invention based on the structure of the embodiment shown in the attached drawings.

Figure 1 is an overall side view of the combine harvester. FIG. 2 is a plan cross-sectional view of the high-speed rotary blade group and the low-speed rotary blade group. FIG. 3 is a rear sectional view with the rotary blade group pulled out. Fourth
The figure is also a perspective view. FIG. 5 is a side sectional view of the frame pipe lock. FIG. 6 is also a rear sectional view.

To explain the overall configuration in Figure 1, moving/
Grain culms are raised and harvested by reaping device A, and then transported to threshing device B. The waste straw after being threshed by the threshing device B is conveyed by a straw removal chain 1 to a removal straw cutter device at the rear of the combine harvester. The transported waste straw is cut by a low-speed rotary blade 4 and a high-speed rotary blade 5,
The cut straw is sent to one side by a discharge auger 47 and discharged. Reference numerals 2 and 3 indicate switching covers which, when closed, allow the waste straw to flow out of the cutter, and when opened, guide the waste straw into the cutter.

The installation structure of the low-speed rotary blade 4 and the high-speed rotary blade 5 is as shown in FIG. 2. The low-speed rotary shaft 6 and the high-speed rotary shaft 30 each consist of a hexagonal column shaft, with one end free and the other end on the drive side. A gear 7 is fixed on the low-speed rotation shaft 6, and a pulley 26, a boss 44, and a gear 27 are fixed on the high-speed rotation shaft 30.
A collar 28 and a sprocket 46 are fitted. The low-speed rotating shaft 6 is supported by the machine frame 10 via a collar 8 and a bearing 9, and the high-speed rotating shaft 30 is supported by the machine frame 10 via a collar 45 and a bearing 29. Power is transmitted to the pulley 26 by a belt, and is transmitted to the low-speed rotary shaft 6 by the gear 7 meshing with the gear 27 of the high-speed rotary shaft 30, and then to the sprocket 4 of the high-speed rotary shaft 30.
6 is transmitted to a discharge auger 47 by a chain or the like.

On the other hand, a closed low-speed pipe shaft 12 with one end having a threaded portion 6 a is fitted into the slide frame 25 via a bearing 19 , and the low-speed pipe shaft 12 is formed into a hexagonal cylinder that is externally fitted onto the low-speed rotating shaft 6 . are doing.
Then, on the low-speed pipe shaft 12, collars 11, 13, 17 with hexagonal holes, low-speed rotary blades 4, 4...
..., a spacer 16, a scraper 60, a loose fitting collar 61, a winding stopper 6 between the low-speed rotary blade and the low-speed rotary blade.
2, and the low-speed rotary blade 4 on the low-speed pipe shaft 12 is tightened with tightening nuts 20 and 21 via a washer 22.

In addition, the high-speed rotation shaft is also similar to the above, a hexagonal cylindrical high-speed pipe shaft 32 is mounted on the high-speed rotation shaft 30, and collars 31, 33, 37 with hexagonal holes are provided on the high-speed pipe shaft 32, High-speed rotating blades 5, 5...
..., a spacer 36 etc. is fitted, and tightened with tightening nuts 40, 41. Therefore, as shown in FIG. 3, the low-speed pipe shaft 12 and the high-speed pipe shaft 32 can slide on the low-speed rotation shaft 6 and the high-speed rotation shaft 30. Note that 15, 24, 35, and 43 are blades fixed on the collars 11, 17, 31, and 37, and are used to blow away straw, straw waste, etc. that accumulate at the ends.

As shown in FIGS. 3 and 4, the present invention includes sliding frame pipes 50, 5 on the slide frame 25, as shown in FIGS.
1 is fixed to the machine frame 10, and storage frame pipes 52, 53, which are fitted onto the sliding frame pipes 50, 51, are fixed to the machine frame 10. Therefore, due to the prospective configuration, the low speed rotating blade group 4... and the high speed rotating blade group 5,
5... can now slide in the direction of the arrow. Further, a lock lever 56 and a stopper 57 shown in FIGS. 5 and 6 are provided at the end of the storage frame pipe 53 on the opposite side to the drive side,
The lock lever 56 can be locked by pulling out the rotary blade group to an arbitrary position and tightening it, and the stopper 57 is to prevent it from coming out even when it is pulled out all the way. Reference numerals 54 and 55 are handles fixed to the slide frame 25 for pulling out the rotary blade group.

(f) Effects of the invention Since the invention is constructed as described above, the following effects can be obtained.

First, removal of clogs such as straw in the cutter device and maintenance of the rotary blades can be done simply by pulling out the group of rotary blades to the side without removing the covers that cover the cutter device. It became possible to do so.

Second, when replacing the rotary blade, in the same way as above,
It can now be pulled out from the side and removed without removing the covers, and it can now be replaced safely without having to put your hands inside the machine.

Thirdly, since the slide position can be set and fixed as desired, it is possible to finely adjust the cutting position of the cutter according to the position where the straw is discharged from the combine, that is, closer to the plant base or closer to the tip. It was summer.

[Brief explanation of the drawing]

Figure 1 is an overall side view of the combine harvester. FIG. 2 is a plan cross-sectional view of the high-speed rotary blade group and the low-speed rotary blade group. FIG. 3 is a rear sectional view with the rotary blade group pulled out. Fourth
The figure is also a perspective view. FIG. 5 is a side sectional view of the frame pipe lock. FIG. 6 is also a rear sectional view. 6...Low speed rotation axis, 10...Machine frame, 1
2...Low speed pipe shaft, 25...Slide frame, 30...High speed rotating shaft, 32...High speed pipe shaft, 50, 51...Sliding frame pipe, 52,
53...Storage frame pipe.

Claims (1)

[Scope of utility model registration request] In the disk cutter device, a low speed rotation shaft 6, a high speed rotation shaft 30, and storage frame pipes 52, 53 are supported on the machine frame 10 side, and a low speed pipe shaft 12, a high speed pipe shaft 3 are supported on the slide frame 25.
2. Support the sliding frame pipes 50 and 51, and connect the low-speed pipe shaft 12 to the low-speed rotation shaft 6 and the high-speed rotation shaft 3
0, high speed pipe shaft 32, sliding frame pipe 5
The storage frame pipes 52 and 53 are fitted into the storage frame pipes 0 and 51, respectively, so that the high-speed rotary blade group and the low-speed rotary blade group can be slid and fixed to the sides of the machine frame 10 as desired, and the high-speed rotary blade group and the low-speed rotary blade group can be slid and fixed to the side of the machine frame 10 as desired. color 1
1. Fit the low-speed rotary blade 4 and the spacer 16 in a slidable and removable manner, tighten and fix them with the tightening nut 20 at the end of the slide frame 25 side of the low-speed pipe shaft 12, and attach the collar to the high-speed pipe shaft 32. 3
1. A straw removal cutter characterized in that a high-speed rotary blade 5 and a spacer 36 are slidably and detachably engaged and fixed with a tightening nut 40 at the end of the high-speed pipe shaft 32 on the slide frame 25 side. Device.