JPH0650422U - Fixed blade mounting device for agricultural cutter - Google Patents

Abstract

(57) [Summary] [Purpose] Adjusting the fixed and rotating blades of an agricultural cutter so that they can be performed easily, quickly and accurately, and that they do not cause errors during work. [Structure] The fixed blade mounting seat 7 that abuts the blade body 50 of the fixed blade 5 on the mounting machine frame b to which the fixed blade 5 is assembled, and the rotary blade 41.
It is provided on the outer peripheral side of the rotation locus W of. The blade 50 of the fixed blade 5 is brought into contact with the fixed blade mounting seat 7 from the outer peripheral side of the rotation trajectory W, and the side closer to the ridge is closed with the set bolt 6. A direction in which the adjustment bolt 8 is screwed into the fixed blade mounting seat 7 from the inside so that the tip portion 80 thereof abuts against the portion of the blade 50 of the fixed blade 5 which is close to the blade portion 52, and is pulled away from the assembly surface 70. Extrude into.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement of a fixed blade attachment device in an agricultural cutter that cuts straw, grass and the like.

[0002]

[Prior art]

 As shown in FIG. 1, the agricultural cutter A is normally assembled on the machine frame 2 on which the cutter body 1 is mounted with the bearing support members 3 facing each other in pairs (one is omitted in the drawing). ), A spindle a having left and right shaft ends pivotally supported by the bearing support member 3 via bearings 30 is provided at a shaft center portion of a cutting chamber 10 in which the main body 1a of the cutter body 1 is mounted. The blade attachment metal 40 is attached to a portion of the main shaft a that passes through the cutting chamber 10 and the rotary blade 41 is attached to the rotating end of the blade attachment metal 40. The mounting machine frame b is fixedly provided to the machine frame 2 described above between the feed roll chamber 12 in which the racks 11 and 11 are mounted and the cutting chamber 10, and the mounting machine frame b is provided with the above-mentioned machine frame b. The fixed blade 5 facing the rotary blade 41 is assembled, and it is supplied from the supply gutter 1b and supplied by the feed rolls 1/11. The material to be cut sent into the cutting chamber 10 is cut by the rotary blade 41 which is rotated by the drive of the main shaft a and the fixed blade 5 which is fixed to the machine frame 2, and is discharged to the discharge trough 1C. It is configured as follows.

The adjustment of the blade alignment between the rotary blade 41 and the fixed blade 5 performed in order to cope with the wear of the rotary blade 41 and the fixed blade 5 during the work is performed as shown in FIG. A bearing support member 3 for rotatably supporting the shaft end portion of is attached to the machine frame 2 so that the displacement can be adjusted in the front-rear direction (left-right direction in FIG. 1), and the bearing support member 3 can be moved back and forth. The rotary blade 41 is moved forward and backward together with the main shaft a and the blade mounting metal 40 to move the rotary blade 41 forward and backward relative to the fixed blade 5.

[0004]

As described above, the blade support adjustment is performed by sliding the bearing support member 3 of the main shaft a back and forth with respect to the machine frame 2 to mount the bearing support member 3. By loosening the bolts 20 and sliding the bearing support member 3 along the upper surface of the assembly seat 21 formed on the machine frame 2, the gap between the rotation locus of the rotary blade 41 and the fixed blade 5 is adjusted. After that, since the bolt 20 is fixed at that position by tightening it, there are many cases where the bolt 20 is out of order when tightening the bolt 20, which is a troublesome work for adjustment work. Even after the adjustment is completed, the bearing support member 3 is pushed out in the direction away from the fixed blade 5 by the pressure of the material to be cut that is caught between the rotary blade 41 and the fixed blade 5 during the work. In many cases, there is a problem in that the gap between the blades is misaligned during the work.

The present invention has been made in order to solve these problems occurring in the conventional means, and the work of adjusting the blade alignment between the fixed blade 5 and the rotary blade 41 is easy and quick. The purpose is to provide a new means that can be done accurately and that will not cause any errors during work.

[0006]

[Means for Solving the Problems]

 Further, in the present invention, as a means for achieving this object, a mounting machine frame fixedly mounted on the machine body so as to assemble a fixed blade facing the rotary blade mounted on the main shaft through a blade mounting metal In a side view, the assembly surface that abuts one side wall surface of the blade of the fixed blade in the tangential direction of the rotary locus at a portion toward the outer peripheral side of the rotary locus of the rotary blade that rotates about the spindle. A fixed blade mounting seat is installed along the mounting surface, and both end portions of one side wall surface of the blade of the fixed blade are set on the assembly surface of the seat so that the blade portion faces the rotation direction of the rotary blade. Abut and then close the side of the blade close to the crest to the fixed blade mounting seat with a set bolt, screw the adjusting screw from the inside to the fixed blade mounting seat, and assemble the tip of the adjusting screw. Agricultural cutter that is abutted against a portion of the side wall surface of the blade of the fixed blade that abuts the attached surface The fixed-blade mounting device in a farming cutter, and the fixed-blade mounting device in an agricultural cutter in which the machine frame for mounting the fixed blade is integrally or integrally connected to the bearing support member of the main shaft. is there.

[0007]

【Example】

 Next, embodiments will be described in detail with reference to the drawings. The same reference numerals are used for the constituent members having the same effects as those of the conventional means.

FIG. 3 is a partially cutaway side view of an agricultural cutter A according to the present invention. In FIG. 3, 1 is a cutter body, 2 is a machine frame, a is a main shaft, 5 is a fixed blade, and b is a fixed blade. Attachment of blade 5 Machine frame, 41 is a rotary blade.

The machine frame 2 shown in the figure is of a stationary type, and is formed of a metal material such as a rope in the shape of a laterally sloping square tube, and the prime mover mounting bed 22 is installed in the inner cavity. There is.

As shown in FIG. 4, the cutter body 1 includes a rotary blade 41, which is assembled to a main shaft a through a blade mounting metal 40, inside a machine body 1a formed of a metal material such as a steel plate in a machine-like shape. A cutting chamber 10 for accommodating a cutting mechanism composed of a fixed blade 5 fixed to the machine body 1a and a feed roll chamber 12 for accommodating the feed rolls 11 and 11 are arranged in front and rear (left and right in the figure). And the base end of the supply trough 1b that supplies the material to be cut to the feeding roll chamber 12 is connected to the front side (right side in the figure) of the machine body 1a, and is connected to the rear side of the machine body 1a. , The base end of the discharge gutter 1c for guiding the discharge of the cut material cut in the cutting chamber 10 is connected, and the prime mover mounting of the machine frame 2 is attached to the left and right side surfaces of the machine body 1a. Conducts the output shaft of the prime mover (motor M) assembled to the bed 22 and the main shaft a described above. It is configured by providing a conduction case 1d (FIG. 5) that stores a conduction mechanism for storing the power and a conduction case 1e (FIG. 3) that stores a conduction mechanism that conducts the main shaft a and the above-described feed rolls 11 and 11. The lower surface of the machine body 1a is erected on the machine frame 2 by assembling and setting it on the pedestal on the upper surface of the machine frame 2 described above.

The above-mentioned main shaft a for driving the cutting mechanism and the feed rolls 11 is the left and right side plates 13 of the cutting chamber 10 installed in the machine body 1a (one is omitted in the drawing). The bearing support member 3 is integrally assembled to each outer surface of the cutter main body 1 and the left and right shaft ends of the main shaft a are rotatably supported by the bearing support member 3 to the cutter body 1 side. It is mounted on the machine body 1a.

Further, the fixed blade 5 of the cutting mechanism is integrally formed with the above-mentioned bearing support member 3 so as to be provided on both left and right sides of the machine body 1a so as to be integrally connected to the machine body 1a. The left and right mounting machine frames b (one of which is omitted in the drawing) are bridged, and the left and right ends of the fixed blade 5 are fixed to the mounting machine frames b with the set bolts 6, whereby the machine body 1a is fixed. It is designed to be fixed and attached integrally to the.

Then, when the set bolt 6 is assembled, the mounting machine frame b is provided with a drawing on the side toward the outer peripheral side of the rotary blade 41 that rotates about the main shaft a, with reference to the rotational trajectory W of the rotary blade 41. As shown in FIG. 6, the fixed blade mounting seat 7 is formed so that the assembling surface 70 that abuts the one side wall surface 51 of the blade 50 of the fixed blade 5 follows the tangential direction of the rotation locus W. Then, the assembling surface 70 is brought into contact with the side wall surfaces 51 at the left and right end portions of the blade body 50 of the fixed blade 5 from the outside of the rotation trajectory W with the blade portion 52 facing upward. A bolt hole 53 through which the set bolt 6 is inserted is provided at a portion of the fixed blade 5 that is closer to the dorsal ridge side of the blade body 50 on the opposite side to the outer side of the rotation locus W described above. Through the set bolt 6, and place it on the lower end side of the fixed blade mounting seat 7 of the mounting machine frame b. The fixed blade 5 is attached by being screwed into a bolt hole 71 provided in a fixed portion, and the fixed blade mounting seat 7 of the mounting machine frame b is moved to the upper end side thereof. An adjusting screw hole 72 is provided in the fixing blade mounting seat 7, and the adjusting screw 8 is screwed into the fixing blade mounting seat 7 from the inside thereof, and the tip portion 80 of the adjusting screw 8 is fixed to the fixed blade mounting seat 7. It protruded between the assembling surface 70 and the side wall surface 51 of the blade body 50 of the fixed blade 5 which was in contact therewith, and was fastened to the fixed blade mounting seat 7 by the set bolt 6 described above at a portion closer to the back peak side. The side of the fixed blade 5 in the state in which it approaches the blade portion 52 of the blade body 50 is pushed out so as to be pulled away from the assembly surface 70 of the fixed blade mounting seat 7, whereby the cutting edge of the fixed blade 5 is pushed. Move the rotary blade 41 forward and backward with respect to the rotation locus W of the blade edge to adjust the blade alignment. Are you.

In this means, the mounting machine frame b forming the fixed blade mounting seat 7 is formed separately from the bearing support member 3 that pivotally supports the main shaft a, and is integrally assembled to the machine body 1a. There is a case to do.

In this case, the blade alignment adjustment between the rotary blade 41 and the fixed blade 5 is performed by adjusting the adjustment screw 8 so that the blade portion 52 side of the blade 50 of the fixed blade 5 is fixed to the fixed blade mounting seat 7 Only the advantage that can be obtained by advancing and retracting with respect to the assembling surface 70 of the main shaft a is obtained by engaging the material to be cut between the fixed blade 5 and the rotary blade 41. The mounting machine frame b, to which the fixed blade 5 is assembled, moves together with the bearing support member 3 of the main spindle a when the pressure of the mounting machine frame b of 5 is separated. The profit that prevents the fixed blade 5 and the rotary blade 41 from being misaligned will not be obtained.

[0016]

[Effect of device]

 As described above, in the fixed blade attaching device in the agricultural cutter according to the present invention, both ends of the blade body 50 of the fixed blade 5 are attached to the assembling seat 70 of the fixed blade attaching seat 7 provided in the attaching machine frame b. The side of the rotary blade 41 that abuts from the outer peripheral side of the turning locus W and closes to the crest of the blade 50 is closed to the assembly seat 70 with the set bolt 6, and the blade portion of the blade 50 of the fixed blade 5 is closed. Since the side closer to 52 is pushed out in the direction in which it is pulled away from the assembly seat 70 by the adjusting screw 8 screwed from the inside of the fixed blade mounting seat 7, the fixed blade can be operated by simply turning the adjusting screw 8. The blade edge 5 moves forward and backward with respect to the rotation locus W of the rotary blade 41, and the blades can be adjusted according to the blades, and this blade alignment operation can be performed easily, quickly and accurately.

Further, since the mounting machine frame b for assembling the fixed blade 5 is integrally or integrally connected to the bearing support member 3 of the main shaft a to which the rotary blade 41 is assembled via the blade mounting metal 40. , When the cutting blade material is caught between the rotary blade 41 and the fixed blade 5, when the pressure acts in the direction of separating the rotary blade 41 and the fixed blade 5, the bearing support member 3 of the main spindle a and the fixed blade 5 The mounting machine frame b of will move together, and the adjusted blade alignment will not be misaligned.

[0018]

[Brief description of drawings]

FIG. 1 is a partially cutaway side view of conventional means.

FIG. 2 is an exploded perspective view of a main part of the above.

FIG. 3 is a partially cutaway left side view of an agricultural cutter according to the present invention.

FIG. 4 is a vertical sectional side view of the main part of the above.

FIG. 5 is a partially cutaway right side view of the above.

FIG. 6 is an enlarged side view of the main part of the above.

[Explanation of symbols]

A ... Agricultural cutter, W ... Rotation locus, a ... Spindle, b ... Mounting machine frame, 1 ... Cutter body, 1a ... Machine body, 1b ... Supply gutter,
1c ... discharge gutter, 1d ... conductive case, 1e ... conductive case,
2 ... Machine frame 20 ... Bolt, 21 ... Assembly seat, 22 ... Motor mounting bed, 3 ... Bearing support member, 30 ... Bearing, 40 ... Blade mounting metal, 41 ... Rotating blade, 5 ... Fixed blade, 50 ... Blade 5,
1 ... Side wall surface, 52 ... Blade portion, 53 ... Bolt hole, 6 ... Set bolt, 7 ... Fixed blade mounting seat, 70 ... Assembly surface, 71 ... Bolt hole, 72 ... Adjusting screw hole, 8 ... Adjusting screw, 80 ... the tip,

Claims (2)

[Scope of utility model registration request] 1. A machine body 1 for assembling a fixed blade 5 facing a rotary blade 41 mounted on a spindle a via a blade mounting metal 40.
In the mounting machine frame b fixedly mounted on a, one of the blade blades 50 of the fixed blade 5 is located at a position toward the outer peripheral side of the rotation locus W of the rotary blade 41 that rotates around the main axis a in a side view. Side wall surface 51
The fixed blade mounting seat 7 is mounted so that the assembling surface 70 that abuts against the tangential direction of the rotation locus W is mounted.
The side of the side wall 51 of the blade 50 of the fixed blade 5 that abuts on both sides in a posture in which the blade 52 faces the direction of rotation of the rotary blade 41, and approaches the ridge of the blade 50. Is closed to the fixed blade mounting seat 7 by the set bolt 6, an adjusting screw 8 is screwed into the fixed blade mounting seat 7 from the inside thereof, and the tip portion 80 of the adjusting screw 8 is brought into contact with the assembly surface 70. Fixed blade 5
Fixed blade attachment device in an agricultural cutter that is abutted against a portion of the side wall surface 51 of the blade body 50 of the blade body 50 closer to the blade portion 52. 2. A mounting machine frame b for assembling a fixed blade 5 which is opposed to a rotary blade 41 mounted on a spindle a via a blade mounting metal 40.
Is mounted on the machine body 1a integrally or integrally with the bearing support member 3 that supports the bearing 30 of the main shaft a, and the fixed blade attachment device in an agricultural cutter.