JP3227119B2 - Taro litter separation equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for separating taro from small taro.

[0002]

2. Description of the Related Art Conventionally, taro is generally excavated with a method of floating digging, in which the taro is floated together with soil through a ski through the bottom of the taro.

[0003] At this time, taro has many hair roots, and the excavated taro is a lump of parent potato (so-called seed potato), small potato, grand potato and the like entangled with hair root and soil.

[0004] When a small potato is separated from a parent potato, a pointy stick is wound around the parent potato at the center of a lump of taro (hereinafter referred to as "taro lump"), and the small potato is pryed. The potato is separated from the parent potato.

[0005]

However, since the operation of separating the small sweet potatoes described above is a manual operation, such work requires a great deal of labor and labor, and does not damage the small sweet potatoes during the separation operation ( There is the complexity of requiring attention and skill so as not to reduce the commercial value).

[0006]

Therefore, according to the present invention, a taro chunk supporting portion for supporting a taro chunk and a taro chunk supported by the same taro chunk supporting section are blown to convert small taro from a parent taro of taro. In the taro lump separating apparatus comprising a blow / separation unit to be separated and a drive mechanism to drive the blow / separation unit, the blow / separation unit is configured to strike the upper part of the taro parent taro, A striking member that moves back and forth in a front-rear direction between the striking position and a standby position separated from the striking position, the striking member pivotally supports a base end portion, and a driving mechanism portion moves a distal end portion between the striking position and the standby position. A striking arm that reciprocates between the striking arms. The striking arm pivotally supports the base end of the distal half arm formation at the distal end of the base half arm formation. The half arm forming body is swingable in the same front-rear direction as the base half arm forming body, The distal end of the arm forming body end side half portion, while providing a respective stopper receiving body in the longitudinal side,
A stopper body is provided at the front and rear sides at the base end of the arm forming body at the distal half, and the arm forming body at the base half advances forward and rotates rearward, which is the striking position, to be in the standby position. Immediately before turning forward to the rear side, the arm forming body at the front end half is advanced and rotated rearward by inertial force, and the rear stopper body abuts the rear stopper receiver and moves rearward. The rotation of the limb is regulated, and the tip portion of the arm forming body at the tip side of the tip portion contacts the upper portion of the parent potato mass, thereby providing a small taro segregation device for taro mass. is there.

Further, according to the present invention, a rotary disk having a cam roller attached to a peripheral portion thereof is provided in a driving mechanism portion, and the cam roller is fitted into a long guide hole formed in an arm forming body at a base end half. Then, while the cam roller moves while drawing a downwardly projecting circular arc in conjunction with the rotation of the rotating disk, the cam roller acts to move the striking arm from the standby position to the striking position,
Another feature is that the striking arm acts to move the striking arm from the striking position to the standby position while the cam roller moves while drawing an upwardly convex arc.

[0008]

Embodiments of the present invention will be described below.

That is, the taro lump separating apparatus according to the present invention is characterized in that the taro lump supporting portion for supporting the taro lump, and the taro lump supported by the taro lump supporting portion are hit to remove the taro litter. It has a striking / separating section for separating the sweet potato, and a drive mechanism section for driving the striking / separating section.

[0010] In this way, the worker can be driven by the driving mechanism while the taro lump is supported by the taro lump support.
By driving the separation unit, the taro chunk is hit, and the impact can separate the small taro from the taro parent.

Therefore, the operator can easily perform the separation operation of the small sweet potato without requiring a large amount of labor and skill, and the efficiency of the separation operation can be greatly improved.

The striking / separating unit includes a striking member which moves between a striking position for striking the upper part of the taro parent and a standby position separated from the striking position.

[0013] In this manner, the small potato can be separated from the parent potato reliably without damaging the small potato by the hitting member, and the small potato separation work efficiency can be remarkably improved.

Moreover, the striking member pivotally supports the base end,
The driving mechanism unit has a striking arm whose front end reciprocates between a striking position and a standby position, and the striking arm pivots the arm forming body at the distal half to the arm forming body at the base half. The arm half of the distal half is supported so as to be swingable in the same direction as the arm half of the base half.

[0015] In this manner, after the base half arm forming body that rotates in the striking direction stops near the striking position, the distal half arm forming body rotates by inertia force. The hitting position of the taro mass can be hit, and as a result, the arm length of the hitting arm can be made compact, and a large hitting force can be secured, so that the small potato can be hit with one shot or several hits. It can be reliably separated from the yam.

Accordingly, the device for separating taro from taro lump itself can be made compact, and the efficiency of separating taro can be improved.

[0017]

Embodiments of the present invention will be described below with reference to the drawings.

A shown in FIGS. 1 to 4 is a taro lump separating apparatus according to the present invention, which comprises a self-propelled apparatus main body 1 and a taro lump provided on the apparatus main body 1. A taro lump support portion 2 that supports K, a blow / separation portion 3 that applies a blow to the taro lump K supported by the taro lump support portion 2 and separates small taro from the taro parent, and the same blow / separation A sieve section 4 for sieving the potatoes and small potatoes separated by the section 3 while vibrating;
And a drive mechanism 5 for driving the impact / separation unit 3.

As shown in FIGS. 1 to 4, the apparatus main body 1
Body frame between a pair of left and right crawler-type running parts 10,10
A motor unit 12 is provided at the rear part of the vehicle body frame 11 and a transmission unit 13 is disposed immediately below the motor unit 12 to transmit the transmission between the transmission unit 13 and the motor unit 12. In addition to interlocking connection via a mechanism 14, drive wheels 15, 15 provided at the rear of the left and right traveling sections 10, 10 are interlockingly connected to the transmission section 13.

At the left and right rear portions of the body frame 11, the base ends of the left and right handles 16, 16 are attached, and the two handles 16, 16 are extended rearward and upward, respectively. Grip portions 16a, 16a are formed at the distal ends, and a lever support shaft 17 is provided between shaft handles 18, 1 between the middle portions of both handles 16, 16.
8, the left and right side clutch levers 19 and 20, the brake lever 21 and the main clutch lever 22 are mounted on the lever support shaft 17, and the gripping portions 16 of both handles 16 and 16 are mounted.
At the lower position between a and 16a, a distal end portion of a shift lever 23 having a base end interlockedly connected to the transmission portion 13 is arranged. 24 and 25 are lever guide bodies, and 26 is an auxiliary handle.

The traveling transmission mechanism 14 is provided with a traveling output pulley 31 on an output shaft 30 projecting rightward from the prime mover section 12, and an input pulley 32 is provided on a transmission section 13, so that the two pulleys 31, 32 are provided. A power transmission belt 33 is wound between the power transmission belts 33 so that the power transmission belt 33 can be freely tensioned and relaxed by a tension arm 34. The tension arm 34 is interlocked and connected via the main clutch lever 22 and a tension arm operation mechanism 35. are doing.

As shown in FIGS. 1 to 4, the taro chunk support portion 2 has a column 40 erected at the front of the body frame 11.
A ring-shaped mounting table 41 is attached to the upper end of the mounting table 41, and a rear receiver 42 is formed on the rear side of the mounting table 41.

In this manner, the taro lump K is placed on the mounting table 41, and the rear surface of the taro lump K is received by the rear receiver 42.

The column 40 is rotated about its axis so that the position of the column 40 can be adjusted in the vertical direction.
The height adjustment of the mounting table 41, that is, the adjustment of the hitting position can be performed.

As shown in FIGS. 5 and 6, the striking / separating unit 3 is formed by pivoting the base end of the striking arm 45 to the front end of the body frame 11 in the left-right direction via the arm support bracket 46. It is pivoted by 47.

The striking arm 45 has a base-side half arm forming body 48 pivotally supported on a pivot 47, and a base end formed on the distal end of the arm forming body 48 with an axial line extending in the left-right direction. And an arm forming body 50 at the front half portion pivotally supported by an intermediate pivot 49 directed toward the arm.

The base-side half-arm forming body 48 has a guide elongated hole 51 formed in the longitudinal direction in the middle part, and stopper receiving bodies 52, 53 formed in the front and rear sides of the distal end, respectively.

The arm forming body 50 at the front half of the distal end has a backing 54 made of synthetic resin projecting rearward at the front end, and stopper bodies 55 and 56 at the front and rear sides of the base end, respectively. .

In this manner, the striking arm 45 reciprocates the base half-side arm forming body 48 at a fixed angle in the front-rear direction about the pivot 47 by the driving mechanism 5 to be described later. The arm forming body 50 at the side half is reciprocally rotatable around the intermediate pivot 49 at a predetermined angle in the front-rear direction.

Then, the arm forming body 50 at the tip half is
The rear-side half of the arm forming body 48 that rotates rearward is rotated to the maximum by the rear, and immediately before being rotated to the front, the arm forming body 48 is rotated rearward by the inertia force to the rear stopper body. 56 comes into contact with the stopper receiver 53 on the rear side, and the backward rotation is regulated.

At this time, the pad 54 projecting from the distal end of the arm forming body 50 at the distal half hits the front upper portion of the taro lump K, that is, the upper portion of the parent taro, and strikes the taro lump K. I have to.

As described above, the striking arm 45 moves between the striking position (a) where the pad 54 strikes the upper part of the taro root and the standby position (b) separated from the striking position (a) forward. To move forward and backward. (C) is a position where the contact body 54 starts rotating backward due to inertial force.

The sieving part 4 is provided with a slide 90 extending right below the mounting table 41 provided on the taro chunk support part 2 in a slanted shape of left, right, high and low. Hinge the base edge of the
It is mounted vertically swingable via 92.

In this way, the taro lump K placed on the placing table 41 is hit by the striking arm 45 and separated into small potatoes, and the small potatoes slide on the slide 90 rightward and outward,
Soil etc. is sieved off on the sieve body 91, and only small potatoes are sieved.
It can be collected in a collection box (not shown) located outside of 91.

As shown in FIGS. 1 to 4, the drive mechanism unit 5 includes a first transmission mechanism 60 having a start end linked to the output shaft 30 of the prime mover unit 12 and an end end of the first transmission mechanism 60. It includes a second transmission mechanism 61 having an interlocking connection on the start end side and an interlocking connection on the end side to the striking arm 45, and an operation mechanism 62 for connecting / disconnecting power to the first transmission mechanism 60.

Then, the first transmission mechanism 60 is mounted on the vehicle body frame.
A first transmission shaft 63 whose axis is oriented in the left-right direction in the middle of 11 is traversed via shaft supports 64, 64, and the right end of the first transmission shaft 63 and the output shaft 30 of the motor unit 12 are A first power transmission belt 65 is wound between pulleys 66 and 66 '. 72 is a belt cover body.

Further, the second transmission mechanism 61 is connected to the body frame 11.
A second transmission shaft 67 whose axis is oriented in the left-right direction at the front end of the second transmission shaft 67 is traversed via a shaft support 68, a left end of the second transmission shaft 67 and a left end of the first transmission shaft 63. The second transmission belt 69 is wound between pulleys 70 and 71, and the center of a rotating disk 85 is attached to the right end of the second transmission shaft 67. Attach a cam roller 86 to the cam roller
86 is configured to be fitted in the guide elongated hole 51 formed in the hitting arm 45. 73 is a belt cover body.

The operation mechanism 62 has a lever pivot pin 75 whose axis is oriented in the left-right direction rotatably mounted on the left front portion of the body frame 11 via a lever pivot bracket 76. An operating lever 77 is formed by being raised from the left end of the operating lever 77, and a connecting bracket 78 is attached to a lower end portion of the operating lever 77. It is suspended horizontally through the shaft support brackets 80, 80, and the interlocking arm 81 is attached to the left end of the arm support shaft 79.
The interlocking rod 82 is interposed between the distal end of the interlocking arm 81 and the connection bracket 78, and the base end of the tension arm 83 is mounted on the right end of the arm support shaft 79. Tension roller 84 at the end of arm 83
And attach the tension roller 84 to the first transmission belt 65.
It is located directly below.

As described above, when the operation lever 77 is rotated forward, the tension arm 83 rotates upward, the tension roller 84 presses the first transmission belt 65, and the first transmission belt 65 is tensioned. The state can be changed to the power connection state.

In this case, the transmission from the motor unit 12 is
30 → Pulley 66 → First transmission belt 65 → Pulley 66 '→ First transmission shaft 63 → Pulley 70 → Second transmission belt 69 → Pulley 71 → Second transmission shaft 67 → Rotating disk 85 → Cam roller 86 → Guide length Hole 51
The power is transmitted to the striking arm 45, and the striking arm 45 is reciprocated to change its position from the standby position (b) to the striking position (a) → the standby position (b) →.

At this time, the rotating disk 85 is rotated clockwise in the side view of FIG. 5, and the striking arm 45 waits while the cam roller 86 moves while drawing a downwardly convex arc. Acts to move from position (b) to impact position (a),
Further, while the cam roller 86 moves while drawing an upwardly projecting circular arc, it acts to move the striking arm 45 from the striking position (a) to the standby position (b).

In this case, the radius of action of the cam roller 86 from the pivot 47 acting on the striking arm 45 is smaller when the striking arm 45 is moved from the standby position (b) to the striking position (a).
The striking arm 45 is shorter than when the striking arm 45 is moved from the striking position (a) to the standby position (b). A large impact force can be secured.

At the front of the body frame 11, an arm support shaft 93 whose axis is oriented in the left-right direction is provided with pivot brackets 94, 94.
, And the base end of the interlocking arm 95 is mounted in the middle of the arm support shaft 93, and the tip end of the interlocking arm 95 and the base end of the striking arm 45 slide vertically. On the other hand, the base end of the sieving body action arm 97 is attached to the right end of the arm support shaft 93, and the contact roller 98 is attached to the tip of the action arm 97, and the contact is made. Sieve Roller 98
It is in contact with the lower surface of 91.

In this way, the sieve action arm 97 swings up and down in conjunction with the rotation operation of the striking arm 45, so that the sieve body 91 can be vibrated up and down via the contact roller 98. I have to.

Therefore, soil and the like can be reliably sieved off from the small potato sliding on the vibrating sieve body 91.

1 to 4, reference numeral 110 denotes a loading platform,
A large number of taro chunks K are placed on the same loading platform 110, and an operator stands near the operating lever 77, and the operator sets the same loading platform.
A series of steps of taking a taro lump K from 110, placing it on the mounting table 41, operating the operating lever 77 in the same state, hitting the taro lump K with the striking arm 45, and separating it into small taro. Work can be done efficiently.

FIG. 7 shows a taro support 2 as another embodiment. In the taro support 2, a ratchet gear 99 is mounted concentrically on the outer peripheral surface of a middle part of the column 40, and the ratchet is supported. The ratchet pawl 100 is engaged with the gear 99, the ratchet pawl 100 is attached to the rear end of the rod 102 supported by the damper 101, and the contact roller 103 is attached to the front end of the rod 102, and the contact roller 103 is attached. The striking arm 45 is in contact with the rear surface of the base end. 104 is a damper support post.

The column 40 is a bottomed column-shaped column main body 40.
a, a sliding column forming body 40b slidably inserted vertically into the column main body 40a, and a pressing spring 40c interposed between the lower end of the sliding column forming body 40b and the bottom of the column main body 40a. The sliding column forming body 40b is urged upward by a pressing spring 40c.

In this way, the mounting table 41 intermittently rotates via the ratchet claw 100 and the ratchet gear 99 in conjunction with the rotation operation of the striking arm 45, and is mounted on the mounting table 41. The striking position of the taro chunk K is changed.

Therefore, by continuously hitting different portions on the upper portion of the taro lump K, the small potato is reliably separated from the parent potato with a small hitting force, and the small potato is prevented from being damaged. Can be.

At this time, the taro mass K is supported by the support 40 via the mounting table 41, and the sliding support formation 40b of the support 40 is provided.
Is pressed and urged upward by the pressing spring 40c, and when the taro mass K is hit by the striking arm 45, the taro lump moves downward against the elastic urging force of the pressing spring 40c. The taro mass K can be vibrated greatly by the elastic urging force of the spring 40c, and as a result, the inertia force acts on the small taro of the taro mass K, and the small taro mass is more reliably separated from the parent taro. be able to.

[0052]

According to the present invention, the following effects can be obtained.

According to the first aspect of the present invention, the striking / separating unit includes a striking member which moves back and forth in a front-rear direction between a striking position for striking the upper part of the taro root and a standby position separated from the striking position. The striking member comprises a striking arm which pivotally supports the base end and whose tip end reciprocates between a striking position and a standby position by a driving mechanism, and wherein the striking arm includes a base end half. The base end of the distal half arm formation is pivotally supported on the distal end of the arm formation body, so that the distal half arm formation is the same front and rear as the base half arm formation. The stoppers are provided on the front and rear sides at the distal end of the arm forming body at the base half, and the base end of the arm forming body at the front half is A stopper body is provided on each side, and the arm forming body on the base half side advances backward, which is the striking position side The arm forming body at the front end half is advanced and rotated rearward by inertia just before it is moved forward and backward in the standby position, and the rear stopper body is moved to the rear stopper receiving body. In contact with this, the rearward rotation is restricted, and the tip of the arm forming body at the tip side half portion contacts the upper portion of the parent potato mass.

As described above, since the tip of the striking arm is applied to the upper part of the taro chunk to strike the taro chunk, the striking arm does not damage the small taro, and the taro chunk is securely removed from the taro chunk. The small sweet potato can be separated, and the small sweet potato separation work efficiency can be remarkably improved.

At this time, after the arm forming body at the base end half which rotates in the striking direction stops near the striking position, the arm forming body at the front end half turns by inertia force, and the taro lump In order to strike the upper part of the parent potato mass, which is the hitting position of the parent potato mass, it is possible to locally apply a large impact force to the upper part of the same parent potato mass, and the small potato is reliably separated from the parent potato with one shot or several shots be able to. In addition, the length of the striking arm can be made compact, a large striking force can be secured, and the device for separating taro from small taro can be made compact.

According to the second aspect of the present invention, the driving mechanism is provided with a rotating disk having a cam roller attached to a peripheral portion thereof.
The cam roller is fitted into a guide slot formed in the base half of the arm forming body, and the cam roller moves while drawing a downwardly projecting circular arc in conjunction with the rotation of the rotating disk. ,
The striking arm functions to move the striking arm from the standby position to the striking position, while acting to move the striking arm from the striking position to the standby position while the cam roller moves while drawing an upwardly convex arc. .

In this way, the radius of action from the pivot point at which the cam roller acts on the striking arm moves the striking arm from the striking position to the standby position when the striking arm is moved from the standby position to the striking position. Shorter than the case,
As a result, the striking arm can be rotated quickly, and a large striking force can be secured at the tip of the striking arm that rotates due to inertial force. Therefore, also from this point, the small potato can be separated from the parent potato reliably without damaging the small potato by the impact arm, and the small potato separation work efficiency can be remarkably improved.

[Brief description of the drawings]

FIG. 1 is a right side view of a taro lump separating apparatus according to the present invention.

FIG. 2 is a plan view of the device.

FIG. 3 is a left side view of the device.

FIG. 4 is a front view of the same device.

FIG. 5 is an explanatory diagram of an operation of a striking / separating unit.

FIG. 6 is a front view of the impact / separation unit.

FIG. 7 is an operation explanatory view of a striking / separating unit as another embodiment.

[Explanation of symbols]

 A Taro litter separation device 1 Device main body 2 Taro lump support 3 Blowing / separation unit 4 Sieving unit 5 Drive mechanism unit

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A01D 13/00-33/14 A23N 15/00

Claims (2)

(57) [Claims] 1. A taro lump support portion for supporting a taro lump, a blow / separation portion for applying a blow to the taro lump supported by the taro lump support, and separating a small taro from a parent taro of the taro; In the taro lump separating apparatus having a driving mechanism for driving the separating unit , the hitting / separating unit is configured to hit an upper portion of the taro parent.
In the front-rear direction between the
A striking member that advances and retreats to the
Pivot and the drive mechanism moves the tip to the impact position and standby position
Without a striking arm that reciprocates between the
The distal half of the arm-forming body at the proximal half.
Pivot the base end of the arm forming body of
Same front and rear as the base half arm formation
The arm-forming body at the base half is attached to the front and rear sides.
While the stopper receiver is provided, the arm at the tip half
At the base end of the formed body, a stopper body is provided on each of the front and rear sides
And the rear half of the arm forming body is moved rearward on the side of the striking position.
Immediately before rotating forward and retracting forward to the standby position side
The arm formed body at the front half of the arm advances rearward due to inertial force
Is rotated, and the rear stopper body is
Abuts against the body to restrict backward rotation and
The tip of the arm-forming body at the end half corresponds to the upper part of the parent potato mass
An apparatus for separating taro from taro chunks, characterized in that: 2. A cam roller is provided on a peripheral portion of the drive mechanism.
Install the rotating disk and attach the cam roller to the base half
Fits into the guide elongated hole formed in the arm formed body and rotates
The cam roller forms a downwardly projecting circular arc in conjunction with the rotation of the disk.
While moving while drawing, hit the striking arm from the standby position
While acting to move to the shooting position, the cam roller
While moving while drawing a convex arc toward the
To move from the strike position to the standby position
The apparatus for separating small taro from taro mass according to claim 1, characterized in that: