JP5988089B2 - Straightener - Google Patents

Description

  The present invention relates to a dressing machine used for, for example, a wrinkle creation work or a repair work.

  Conventionally, as a sorter of this type, a mounting frame is connected to a traveling machine body by a connecting mechanism, and the machine frame body is provided on the mounting frame body so as to be movable in the left-right direction with respect to the traveling direction of the traveling machine body. A moving mechanism for moving the machine frame in the left-right direction is provided, an adjusting mechanism is provided on the machine frame, a drive shaft using the traveling machine as a drive source is provided on the mounting frame, and the machine frame is adjusted. A driven shaft serving as a drive source for the saddle mechanism is disposed, and a power transmission mechanism comprising a pair of front and rear universal joints that allows the horizontal movement of the machine frame body is interposed between the drive shaft and the driven shaft. A structure having the following structure is known.

  Further, as the trimming mechanism, a main trimming mechanism Q and a secondary trimming mechanism H are arranged at both rearward positions in the traveling direction of the traveling machine body S, and the traveling machine body S is illustrated in the field M as shown in FIG. While traveling counterclockwise in the direction of the middle arrow, the main trimming mechanism Q at one side position of the traveling machine body S performs the trimming work and unavoidable from the front of the traveling machine body S to the work site of the main trimming mechanism Q. Thus, the remaining unsorted portion T is traveled in the clockwise direction opposite to the direction of the arrow in the traveling machine body S and the sub-stamping mechanism H performs the trimming operation.

JP2002-325502 Patent No. 4096275 Japanese Utility Model Sho 60-119210

  However, in the case of the conventional structure, the main grading mechanism and the secondary grading mechanism are each provided with a banking rotor for splashing mud on the old ridge, a rotary grading body capable of rotating and grading the ridge surface, and a drive system, respectively. As a result, the entire structure is easily complicated, is easily increased in size and weight, has a disadvantage that safety considerations are particularly required, and traveling stability may be hindered.

The present invention is intended to solve these disadvantages. Among the present inventions, the invention according to claim 1 connects the mounting frame body to the traveling machine body by a connecting mechanism, and the machine is connected to the mounting frame body. A frame is provided so as to be movable in the left-right direction with respect to the traveling direction of the traveling machine body by a movement guide mechanism, a moving mechanism for moving the machine frame body in the left-right direction is provided, and a trimming mechanism is provided on the machine frame body Thus, as the trimming mechanism, the mud in the field is rotated in one direction around the rotation axis in the traveling direction of the traveling machine body so that the mud in the field is laterally lateral to the traveling direction of the traveling machine body. A jumping rotary body capable of jumping up is provided, and mud mud up by rotation in one direction of the jumping rotary body is placed above the jumping rotary body on the ridge at one side position or the other side position. A discharge position changing mechanism capable of selectively discharging and discharging is provided, and the discharge position changing mechanism is the jumping rotary body Upper position, the opening or the other side of the forward and reverse rotation by the other hand the side around the rotation axis of the pop-rotation of the movable cover member provided with a movable cover member for covering the position and both side positions before and after The openings are selectively opened, and the mud that is splashed up by rotation of the jumping rotary body in one direction through each opening is discharged onto the ridge on one side position or on the ridge on the other side position. A pair of left and right trimming bodies capable of trimming the wrinkles at one side position or the other side position at the rear position of the leap-up rotating body, and the rotation axis of the pair of left and right trimming bodies, respectively. A pre-processing mechanism that is disposed obliquely upward toward the heel side of the one-side position, and that can scrape the upper surface of the old heel at the one side position at a forward position in the traveling direction of the leap-up rotating body. It is in the sizing machine characterized by becoming.

As described above, according to the first aspect of the present invention, the machine frame body is provided so as to be movable in the left-right direction with respect to the traveling direction of the traveling machine body by the movement guide mechanism, and the machine frame body is moved left and right by the movement mechanism. Forward / reverse rotation of the movable cover member that covers the upper position, the front-rear position, and both side positions of the jumping rotary body of the discharge position changing mechanism around the rotation axis of the jumping rotary body The one side opening or the other side opening is selectively opened, and the mud mud up by the rotation of the jumping rotary body in one direction through each opening is moved with respect to the traveling direction of the traveling machine body. It can be released and guided selectively on the heel of one side position in the left-right direction or the other side position, and is arranged at the rear position of the jumping rotary body, and its rotation axis is respectively set to one side position or the other side. Arranged diagonally upward toward the heel side One of the pair of left and right trimming bodies can be used to trim the heel at one side position or the other side position, and can be easily trimmed without leaving an unsorted portion. And a pre-processing mechanism capable of scraping off the upper surface of the old iron at the one side position is provided at the front position in the traveling direction of the jumping rotary body. The upper surface can be scraped in advance, and the binding property between the old fence and the embankment can be enhanced.

1 is an overall side view of an embodiment of the present invention. It is a whole side sectional view of an example of an embodiment of the invention. 1 is an overall plan view of an embodiment of the present invention. 1 is an overall rear view of an embodiment of the present invention. It is the whole back sectional view of an example of an embodiment of the invention. 1 is an overall cross-sectional view of an embodiment of the present invention. It is a partial expanded sectional view of the example of an embodiment of the invention. It is a whole top view of the working state of the embodiment of the present invention. It is a whole rear view of the working state of the embodiment of the present invention. It is whole rear sectional drawing of the working state of the embodiment of this invention. It is a partial expanded side sectional view of an example of an embodiment of the invention. It is a whole top view of the working state of the embodiment of the present invention. It is a whole rear view of the working state of the embodiment of the present invention. It is whole rear sectional drawing of the working state of the embodiment of this invention. It is an explanatory plan view of the trimming work.

  1 to 14 show an embodiment of the present invention. As shown in FIGS. 1 and 2, reference numeral 1 denotes a traveling machine body, in which a tractor is used, and a three-point link type is provided at the rear of the traveling machine body 1. The attachment frame 3 is connected by a connecting mechanism 2 so as to be movable up and down. In this case, the mounting frame 3 is formed in a substantially square frame shape as a whole consisting of the horizontal flange portion 3a and the vertical rod portion 3b, and the connection mechanism 2 includes a pair of left and right lower links 2a and 2a, an upper link 2b, and a traveling machine body 1. It is composed of a pair of left and right swing links 2c and 2c and suspended links 2d and 2d that swing vertically. The lower links 2a and 2a and the upper link 2b are pivoted between the traveling machine body 1 and the mounting frame 3. The mounting frame 3 is configured to move up and down through the suspension links 2d and 2d by swinging the pair of left and right swing links 2c and 2c.

  4, 4, 3, and 4, the machine frame 4 is attached to the mounting frame 3 by the horizontal link mechanism 5 as the movement guide mechanism J with respect to the traveling direction of the traveling machine body 1. And a moving mechanism 6 for moving the machine frame 4 in the left-right direction B is provided. In this case, a pair of left and right support frames 3c and 3c are attached to the mounting frame 3, respectively. The bases of the pair of left and right support links 5a and 5a are pivotally attached to the support frames 3c and 3c by the front link shafts 5b and 5b, the support frame 5c is attached to the machine frame body 4, and the pair of right and left The front ends of the support links 5a and 5a are attached by the rear link shafts 5d and 5d, and the pair of left and right support frames 3c, 3c and 5c, the support links 5a and 5a, and the front and rear link shafts 5b, 5b, 5d and 5d. A parallel link mechanism is configured to attach the machine frame 4 to the mounting frame. In addition, the hydraulic cylinder 6a is straddled between the one front link shaft 5b and the one rear link shaft 5d as the moving mechanism 6 so as to be movable in the left-right direction B with respect to the traveling direction of the traveling machine body 1. By extending the hydraulic cylinder 6a composed of the cylinder portion 6b and the rod portion 6c through a flow path switching valve by a hydraulic pump (not shown) using the power of the traveling machine body 1 as a drive source. The machine frame 4 is moved in the left-right direction B.

Reference numeral 7 denotes a trimming mechanism, which is provided on the machine frame body 4 and is roughly divided into a jumping rotary body 8 and trimming bodies 10 and 10. In this case, as shown in FIG. A jumping rotator 8 is provided which can rotate in one direction N around the rotation axis O in the traveling direction of the traveling machine body 1 and can jump up mud in the field M. The jumping rotator is positioned above the jumping rotator 8. 8 is provided with a discharge position changing mechanism 9 capable of selectively discharging and guiding mud that is spun up by rotation in one direction N on the ridge W at one side position R or the other side position L. 8 of the rear position whereas the lateral position R or the other lateral position top W ₁ and on the other hand side W ₂ of Seiaze possible pair of Seiaze body 10, 10 the rotation axis P-P of the ridge W of L Each of them is arranged to be inclined at an angle θ obliquely upward toward the side W of the one side position R or the other side position L.

In this case, as shown in FIGS. 5 and 6, the jumping rotary body 8 has a plurality of jumper blades 8b protruding from the outer peripheral surface of the rotor body 8a. 1 has a structure that rotates in one direction N around the rotation axis O in the traveling direction 1 and jumps up the mud in the field M, and the discharge position changing mechanism 9 is as shown in FIGS. The machine frame 4 has a substantially rectangular tube shape with a bottom surface formed by an upper plate 11a, a front plate 11b, a rear plate 11c, and side plates 11d and 11d covering the upper position, the front-rear position, and both side positions of the jumping rotary body 8. The fixed cover member 11 is attached. In this case, the fixed cover member 11 is composed of a pair of left and right half-cover bodies 11e and 11e that are divided, and the pair of left and right half-cover bodies 11e and 11e are respectively attached to the machine frame body 4 with a pivot 11f. 11f is provided so that it can be retracted up and down freely. Part and laterally disposed a bushing portion 4a in the traveling direction, and bearing a drive spindle 4b in the bushing portion 4a, the rotating ring 12a the lift-up rotation formed in the movable cover member 12 to the outer peripheral surface of the bearing cylinder portion 4a The movable cover member 12 is fitted so as to be rotatable about the axis of the drive main shaft 4b coaxial with the rotation axis O of the body 8 as shown in FIG. It consists of a semicircular arc-shaped upper plate 12b, an edge plate-shaped front plate 12c, and a rear plate 12d that cover the position, and an operating motor 9a is attached to the machine frame body 4 and the operating shaft 9c is axially connected to the machine frame body 4 by bearings 9b. The main shaft of the actuation motor 9a and the actuation shaft 9c are connected by a joint 9d, a turning gear 9e is attached to the actuation shaft 9c, and an arc-shaped rack tooth body is attached to the movable cover member 12. 9f is attached and the motor 9a is The movable cover member 12 by meshing of the rotating gear 9e for deflection in the arcuate rack Hatay 9f is configured to forward and reverse rotation about a rotation axis O of the lift-up rotary member 8.

When the operating shaft 9c is rotated by the operating motor 9a of the discharge position changing mechanism 9, the movable cover member 12 is centered on the rotational axis O of the jumping rotary body 8 as shown in FIGS. Rotating counterclockwise to form an opening K on one side, the mud that is spun up by rotation in one direction N of the jumping rotator 8 is directly passed through the opening K on one side to the one side position. When the operating shaft 9c is reversely rotated by the operating motor 9a while being guided to be discharged onto the ridge W of the R, the movable cover member 12 is rotated about the rotational axis O of the jumping rotary body 8 as shown in FIGS. Rotating clockwise around the center , the opening K on one side is closed and the opening F on the other side is formed. After passing through the upper part of the member 12, the opening F on the other side It will be released guided over the ridge W of the other side position L in.

Further, in this case, the pair of right and left Seiaze 10, 10 are formed symmetrically to each other, as shown in FIG. 4, respectively, Seiaze possible top Seiaze portion 10a and ridges the upper surface W ₁ of the ridge W one side W ₂ of W consists Seiaze possible side Seiaze portion 10b, the upper surface Seiaze portion 10a and side Seiaze section 10b, respectively, a plurality of clamping surface G · the outer peripheral surface of the rotor frame 10c And a pressing plate body E having a length reaching the pressing surface portion G at the rearward position in the rotational direction adjacent to each pressing surface portion G is disposed, and the pressing plate body E has flexibility. It is formed of a flexible plate made of a material that can be elastically bent by an external load made of a synthetic resin such as nylon resin or vinyl chloride resin, or a metal such as stainless steel or spring steel.

In this case, as shown in FIG. 2 and FIG. 4, a bearing cylinder portion 4a is provided at the lower part of the machine frame 4 by the vertical members 4c and 4c, and the drive main shaft 4b is supported by the bearing cylinder portion 4a. A support drive shaft 4d is horizontally installed in the rear in the left-right direction B orthogonal to the traveling direction of the traveling machine body 1, a gear mechanism 4e is provided between the drive main shaft 4b and the support drive shaft 4d, Support bearing portions 4f and 4f are provided on both side portions, and a pair of left and right rotation main shafts 4g and 4g are provided on the support bearing portions 4f and 4f, respectively, and their rotation axes P and P are respectively set to one side position R or the other side position L. The rotary main shaft 4g and the one end portion of the support drive shaft 4d, and the other rotary main shaft 4g and the other end portion of the support drive shaft 4d are respectively arranged in a slantingly upward shape toward the flange W side. Connected by universal joints 4h and 4h, one pair of left and right rotating spindles 4g and 4g Square position R or the other lateral position top W ₁ and on the other hand a side W ₂ Seiaze possible pair of Seiaze 10 - 10 the rotation axis P-P, respectively whereas the side of the ridge W of L position R or The other side position L is disposed obliquely upward toward the ridge W side, and the driving main shaft 4b is rotated in one direction N via the power transmission mechanism 13 with the traveling machine body 1 as a driving source, and the jumping rotation The body 8 and the pair of left and right trimming bodies 10, 10 are configured to rotate in one direction C in the direction of the arrow in FIG.

  In this case, as shown in FIGS. 2 and 3, a bracket 3d is attached to the upper part of the vertical flange 3b of the mounting frame 3, and a drive shaft 13a using the traveling machine body 1 as a drive source is disposed on the bracket 3d by a bearing 13b. The driven shaft 13c serving as a drive source for the trimming mechanism 7 is disposed on the machine frame 4 by a bearing 13d, and the movement of the machine frame 4 in the left-right direction B is allowed between the drive shaft 13a and the driven shaft 13c. And a power transmission mechanism 13 comprising a pair of front and rear universal joints 13e and 13e and a telescopic transmission shaft 13f. The transmission shaft 13f is a hexagonal bore that is slidably fitted in a non-rotating state. And the transmission shaft 13f of the power transmission mechanism 13 that swings in the left-right direction B by the left-right movement of the machine casing 4 is used as the straightening mechanism. 7 In this case, the interference avoidance position D is an upper position of the trimming mechanism 7 and the machine casing 4, and the driven shaft is set to a rear position in the traveling direction of the machine casing 4. 13c is disposed at a position where the transmission shaft 13f crosses the machine frame 4.

  In this case, as shown in FIGS. 2 and 3, a power shaft 14a driven by the power take-off shaft 1a of the traveling machine body 1 through the universal joint mechanism 1b is disposed on the horizontal flange portion 3a of the mounting frame 3. An intermediate shaft 14c is disposed on the vertical flange 3b of the mounting frame 3, a pair of turning gears 14d and 14e are disposed between the power shaft 14a and the intermediate shaft 14c, and the intermediate shaft 14c A front transmission mechanism 14 comprising a chain 14b is interposed between the drive shaft 13a, and an input shaft 15a is disposed on the machine frame 4 below the driven shaft 13c. 15a and the drive main shaft 4b have a direct connection structure, and a rear transmission mechanism 15 including a chain 15b is interposed between the input shaft 15a and the driven shaft 13c.

Reference numeral 16 denotes a pretreatment mechanism, which is provided at a forward position in the moving direction of the jumping rotary body 8 as shown in FIG. 6. In this case, the base portion of the chain case 16a is positioned at one side position at the front portion of the bearing cylinder portion 4a. A pretreatment rotor 16c having a plurality of pretreatment blades 16b is rotatably provided at the front portion of the chain case 16a so as to be able to swing up and down toward the flange W of the R, and the chain case 16a is formed by a chain member 16d. A chain mechanism 16e is interposed between the rotor shaft 16f of the pretreatment rotor 16c and the drive main shaft 4b, and the rotation direction of the pretreatment rotor 16c and the jumping rotator 8 is determined by the chain mechanism 16e. In order to set in a different direction and improve the binding property between the old paddle and the embankment, the upper surface W1 of the paddle W at the _one side position R is scraped in advance by the rotation of the pretreatment rotor 16c. Thus, since the pretreatment mechanism 16 capable of scraping the upper surface W1 of the old rod W at the _one side position R is provided at the front position in the traveling direction of the jumping rotary body 8, can be pre-scraping the upper surface W ₁ of the old ridge W, it is possible to enhance the binding with the old ridge W and embankment.

Since this embodiment is configured as described above, the machine frame body 4 is moved to the right position in FIG. 9 as one side position R by the movement guide mechanism J and the movement mechanism 6 as shown in FIGS. In this state, when the traveling machine body 1 is traveled along the old iron counterclockwise in the direction of the arrow in FIG. 15 and the power take-off shaft 1a of the traveling machine body 1 is rotated, the traveling frame body 1 is disposed on the mounting frame 3. The rectifying mechanism 7 is driven via a power transmission mechanism 13 including a drive shaft 13a, a driven shaft 13c disposed on the machine frame 4, a pair of front and rear universal joints 13e and 13e, and a telescopic transmission shaft 13f. upper surface W ₁ of the ridge W of contrast lateral position R by the rotation of the pretreatment rotor 16c of the processing mechanism 16 is scraping, the recoil movable cover member 12 by driving the actuating motor 9a release position deflection mechanism 9 Opening by rotation about the rotation axis O of the upper rotating body 8 K is opened, and the mud of the field M that is lifted up by the rotation in one direction N of the jumping rotator 8 is discharged as it is onto the ridge W at one side position R and arranged at the rear position of the jumping rotator 8. The pair of left and right trimming bodies 10 and 10 are arranged such that their rotational axes P and P are inclined at an angle θ obliquely upward toward the side W of the one side position R or the other side position L, respectively. one of the lateral position R Seiaze body 10 whereas the upper surface W ₁ and on the other hand side W ₂ of the rotational contact with ridges W on the upper surface W ₁ and on the other hand side W ₂ of the ridge W of the lateral position R rotation settling of Then, by increasing the rotational speed of the trimming body 10 with respect to the traveling speed of the traveling machine body 1, the trimming body 10 rotates and slides into contact with the W surface, and the W surface is tightened smoothly and firmly by the rotational sliding contact. As a result, pressure adjustment can be performed, thereby leaving an unaligned portion T of the four corners of the ridge W shown in FIG. Will be Seiaze work is performed Te.

Next, when trimming the unordered processing portion T, as shown in FIGS. 12 to 14, the left side position in FIG. And the opening K on one side is closed by driving the operating motor 9a of the discharge position changing mechanism 9 and rotating the movable cover member 12 around the rotation axis O of the above-described rotating rotating body 8. Then, the opening F on the other side is formed, and in this state, the traveling machine body 1 travels along the old shaft in the clockwise direction opposite to the arrow direction in FIG. When the la is rotated, the mud in the field M that is spun up by the rotation in one direction N of the jumping rotary body 8 of the discharge position changing mechanism 9 has the opening F on the other side through the upper part of the movable cover member 12. Via the other side position L on the ridge W, and A pair of left and right trimming bodies arranged at a position, and whose rotation axes P and P are inclined at an angle θ obliquely upward toward the side W of the one side position R or the other side position L, respectively. Seiaze body 10 on the other side position L of the 10, 10 and the other side position the upper surface of the ridge W W of L ₁ and on the other hand side the upper surface W of the rotating contact with ridges W to W _{2 1} and on the other hand side W ₂ Thus, the trimming operation of the unordered processing portion T shown in FIG. 15 is performed.

Therefore, the machine frame body 4 is moved in the left-right direction B orthogonal to the traveling direction of the traveling machine body 1 by the movement guide mechanism J and the movement mechanism 6, and the upper position of the jumping rotary body 8 of the discharge position turning mechanism 9; The opening K on one side or the opening F on the other side is selectively selected by forward / reverse rotation of the movable cover member 12 covering the front / rear position and the both side positions about the rotation axis O of the jumping rotary body 8. The one side position R or the other side in the left-right direction with respect to the traveling direction of the traveling machine body 1 is the mud that is opened to the top and is lifted up by the rotation N in one direction N through the opening K / F. It is possible to selectively guide the discharge onto the ridge W at the lateral position L, and it is arranged at the rear position of the jumping rotary body 8, and the rotation axis P · P is set to one side position R or the other side position L, respectively. A pair of left and right arranged in an inclined shape with an angle θ obliquely upward toward the heel W side With one of the trimming bodies 10, 10, the collar W at one side position R or the other side position L can be trimmed, and can be easily trimmed without leaving the unsorted portion T. Can perform dredging work.

In this case, as the movement guide mechanism J, the machine frame 4 is provided on the mounting frame 3 by the horizontal link mechanism 5 so as to be movable in the left-right direction B with respect to the traveling direction of the traveling machine 1. The frame body 4 can be smoothly moved in the left-right direction B. In this case, the pair of left and right trimming bodies 10 and 10 are formed symmetrically with respect to each other, and each of the upper surfaces W _{1 of the} ridges W the since one side W ₂ of Seiaze possible top Seiaze portion 10a and ridge W from Seiaze possible side Seiaze portion 10b, can be pressed reliably tighten the ridge W.

  At this time, the transmission shaft 13f of the power transmission mechanism 13 that swings in the left-right direction B by the left-right movement of the machine frame 4 is disposed at the interference avoidance position D, which is the upper position of the trimming mechanism 7. Therefore, the distance in the traveling direction between the drive shaft 13a disposed on the front mounting frame 3 in the traveling direction and the driven shaft 13c on the machine frame 4 side can be increased, and the amount of expansion / contraction of the transmission shaft 13f is accordingly increased. That is, the sliding amount of the outer cylinder 13g and the inner casing 13h can be reduced, and the swinging motion α in the left-right direction B of the transmission shaft 13f by the movement of the machine frame 4 in the left-right direction B is smoothly performed. The frame 4 can be moved smoothly from side to side, the bending angle of the universal joints 13e and 13e can be reduced, the power can be transmitted smoothly, and the workability can be improved. Can do.

  In this case, the interference avoidance position D is a position above the trimming mechanism 7 and the machine frame body 4, and the driven shaft 13 c is connected to the machine frame body 4 and the transmission shaft 13 f is connected to the machine frame body 4. Since it is arranged at a position where it crosses over, it does not hinder the movement of the machine body 4 in the left-right direction B, and constitutes a rectifying mechanism 7 arranged in the machine body 4 In this case, a power shaft 14a driven by the power take-off shaft 1a of the traveling machine body 1 is arranged on the mounting frame 3. Since the front transmission mechanism 14 is interposed between the power shaft 14a and the drive shaft 13a, the power transmission structure from the traveling machine body 1 to the straightening mechanism 7 can be simplified. In this case, the input shaft 15a is disposed on the machine frame 4 below the driven shaft 13c. Since it formed by interposing a rear transmission mechanism 15 between the input shaft 15a and the driven shaft 13c, the power transmission structure from the vehicle body 1 to Seiaze mechanism 7 can be simplified.

  The present invention is not limited to the above-described embodiment. For example, the mounting frame 3, the horizontal link mechanism 5, the moving mechanism 6, the trimming mechanism 7, the jumping rotary body 8, and the discharge position changing mechanism 9 are used. The structure, shape, and the like of the trimming body 10 are designed with appropriate changes.

  As described above, the intended purpose can be sufficiently achieved.

J Movement guide mechanism B Left-right direction O Rotation axis N One direction M Field K Opening F Opening R One side position L The other side position W Ｗ W ₁ Upper surface W ₂ One side surface P Rotating axis 1 Traveling machine body 2 Linking mechanism 3 Mounting frame body 4 Machine frame body 5 Horizontal link mechanism 6 Moving mechanism 7 Adjusting mechanism 8 Jumping rotating body 9 Discharge position changing mechanism 10 Adjusting body 10a Upper surface adjusting section 10b Side adjusting section 12 Movable cover member 16 Preprocessing mechanism

Claims (1)

A mounting frame is connected to the traveling machine body by a connecting mechanism, and the machine frame body is provided on the mounting frame body so as to be movable in the left-right direction with respect to the traveling direction of the traveling machine body by the movement guide mechanism. A moving mechanism for moving the machine frame body, and a trimming mechanism provided on the machine frame body. As the trimming mechanism, the machine frame body rotates in one direction around the rotation axis of the traveling direction of the traveling machine body. A jumping rotary body capable of jumping mud in the field laterally in the lateral direction with respect to the traveling direction of the traveling machine body is provided, and by rotating the jumping rotary body in one direction at a position above the jumping rotary body A discharge position changing mechanism is provided that can selectively guide the muddy soil to be released on one side position or the other side position, and the discharge position change mechanism is located above and below the jumping rotary body. position and the lift-up of the movable cover member provided with a movable cover member for covering the both side positions Rotation in one direction of the forward and reverse rotation by the other hand the opening of the side or the other side該跳on rotator openings selectively through the openings to the openings of around the rotation axis of the rotating body Including a structure capable of discharging the mud raised up by the top of the heel at one side position or the top of the heel at the other side position. A pair of left and right trimming bodies capable of trimming the kite are arranged with their rotational axes inclined in an obliquely upward direction toward the kite side at one side position or the other side position, and the jumping rotary body proceeds. A sizing machine, characterized in that a pre-processing mechanism capable of scraping off the upper surface of the old scissors at the one side position is provided at a front position in the direction.