JP2579787Y2 - Broccoli pruning device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a broccoli pruning apparatus used for pruning broccoli in a form suitable for sorting and packing.

[0002]

2. Description of the Related Art Conventionally, as a pruning device for pruning broccoli as described above, for example, a broccoli pruning device (Japanese Patent Application No. 3-32) already developed by the present applicant has been used.
No. 6809). This broccoli pruning device
After inserting and fixing the stem of broccoli, which has been pruned to an appropriate length in advance, into the stem insertion stand, drive the branch cutting mechanism,
Each of the three blade mounting arms is pivoted in the pruning direction around the stem of the broccoli inserted into the stem insertion table, and the three cutting blades fixed to the tip of each blade mounting arm are broccoli. Is a device that horizontally rotates in a direction opposite to the stem peripheral surface of the broccoli, and simultaneously cuts a plurality of branches protruding from the stem peripheral surface of the broccoli with three cutting blades.

[0003]

However, as described above, each of the plurality of branches protruding from the stem surface of the broccoli is divided into three.
When cutting with three cutting blades at the same time, when each of the three cutting blades bites into a plurality of branches protruding from the same stem, the stem of the broccoli inserted into the stem insertion table On the other hand, a large rotating force is instantaneously applied, and the entire broccoli rotates in the pruning direction while the three cutting blades bite, so that it is impossible to cut the plurality of branches protruding from the stem peripheral surface. Sometimes. Therefore, as means for preventing the rotation of the broccoli, for example, by piercing a fixed needle in a direction perpendicular to the stem peripheral surface of the broccoli, at the time of pruning, it is ensured that the entire broccoli rotates in the pruning direction. Although it can be prevented, there is a problem that traces of sticking of a fixed needle remain on the peripheral surface of the stem of broccoli, which impairs the quality and commercial value of broccoli.

In view of the above problem, the present invention cuts a large number of branches protruding from the peripheral surface of a broccoli stem into a predetermined length with one branch cutting blade, so that the whole broccoli is cut in the branching direction. It is an object of the present invention to provide a broccoli pruning device capable of preventing rotation, shortening the time required for pruning work, saving labor and improving efficiency.

[0005]

According to the present invention, a single branch is provided at one side of the broccoli inserted into the stem insertion base in a direction opposite to the circumference of the stem. The cutting arm is supported so as to be horizontally rotatable, one branch cutting blade is fixed to the distal end of the branch arm, and a weight member is fixed to the base end of the branch arm. It is a broccoli pruning device provided with an arm turning means for turning a branching arm in a pruning direction around a stem portion of the broccoli inserted into the stem insertion table.

[0006]

According to the present invention, the stem of the broccoli, which has been pruned to an appropriate length in advance, is inserted and fixed in the stem insertion stand, and then the arm turning means is driven to drive the stem of the broccoli inserted in the stem insertion stand. The pruning arm is swiveled in the pruning direction around the center to apply an outward centrifugal force to the weight member fixed to the base end of the pruning arm and fixed to the distal end of the pruning arm Applying an inward centrifugal force to the pruning blade that has been made, the arm for pruning is horizontally rotated in a direction opposite to the peripheral surface of the stem of the broccoli, and a number of branches protruding from the peripheral surface of the stem of the broccoli. While cutting one pruning blade sequentially.

[0007]

According to the invention, a large number of branches protruding from the periphery of the stem of broccoli are sequentially cut by a single pruning blade. The rotation power applied to the pruning becomes small, and at the time of pruning, the whole broccoli can be prevented from rotating in the pruning direction, and the pruning work of the broccoli can be reliably performed, and the time required for pruning work is greatly reduced, Labor saving and efficiency improvement of work can be achieved. Moreover,
Using the centrifugal force applied to the weight member of the branching arm, the branch cutting blades are sequentially bitten into each branch protruding from the stem peripheral surface of the broccoli, so that each branch protruding from the stem peripheral surface is used. Rotational resistance is sufficient to cut the pruning, positively prevent the cutting position of the pruning blade from radially fluctuating during pruning, and protrude from the broccoli stem peripheral surface. The part can be cut to a predetermined length.

[0008]

An embodiment of the present invention will be described in detail below with reference to the drawings. The drawing shows a broccoli pruning device used to cut a branch portion protruding from a stem surface of a broccoli into a predetermined length. In FIG. 1, the broccoli pruning device 1 is previously pruned to an appropriate length. A stem insertion base 2 for inserting and fixing the stem Ba of the broccoli B, a branch cutting mechanism 3 for branching each branch Bb... Protruding from the periphery of the stem Ba of the broccoli B to a predetermined length, A stem cutting mechanism 4 for trimming the lower end of the stem Ba to a predetermined length.

As shown in FIG. 2, in the above-mentioned stem insertion table 2, the branches Bb projecting from the peripheral surface of the stem Ba of the broccoli B are allowed to be inserted at the center of the upper surface side of the stem insertion table 2. To form a stem insertion hole 2a having a size
A number of support rods 5 are horizontally fixed radially at an interval at which the branches Bb projecting from the peripheral surface of the stem Ba of the broccoli B are allowed to pass through at the lower peripheral edge of the supporter. The tip of the bar 5 is opposed to the interval at which the stem Ba of the broccoli B is allowed to be inserted.

On the lower edge of the stem insertion hole 2a, four stem fixing plates 6 are arranged at the left, right, front and rear positions facing the upper stem side Ba of the broccoli B. The piston rod of each of the stem fixing cylinders 7 arranged at the position is connected and fixed to the central portion on the rear side of each of the stem fixing plates 6. The four stem fixing plates 6 are moved to a forward position where the upper end stem Ba of the broccoli B is pressed and fixed, and a retracted position where the stem Ba of the broccoli B is allowed to be inserted.

As shown in FIGS. 3 and 4, the branching mechanism 3 has six guide rollers 8 on the lower surface side peripheral portion of the stem insertion hole 2a formed in the stem insertion table 2 described above. Each of the guide rollers 8 is engaged with an outer peripheral edge of a rotary pulley 9 having a diameter larger than that of the stalk insertion hole 2a, and is inserted into the stalk insertion table 2. A ring-shaped rotary pulley 9 is held rotatably about a stem Ba of the broccoli B.

A base end of a branching arm 10 is rotatably supported on the inner peripheral edge of the rotary pulley 9 so as to be freely rotatable, and a distal end of the branching arm 10 has a peripheral surface of a stem Ba of broccoli B. L-shaped cutting edge 1 facing each branch Bb.
2 is fixed, and the driving pulley 1 is driven by a driving force of a pruning motor 13 with a speed reducer disposed on one lower side of the stem insertion stand 2.
The rotary pulley 9 is horizontally rotated in the pruning direction (the direction of the arrow) via the drive belt 4 and the drive belt 15, and the pruning blade 12 fixed to the pruning arm 10 by centrifugal force generated when the rotary pulley 9 rotates is used as the stem of the broccoli B. It rotates horizontally in the direction facing the peripheral surface of the portion Ba.

In the branching arm 10 described above, one end of the coil spring 16 is engaged with the inner peripheral edge of the rotary pulley 9, and the other end of the coil spring 16 is engaged with an intermediate portion of the branching arm 10. The branching arm 10 is stopped and urged in a direction in which the branching arm 10 comes into contact with the inner peripheral edge of the rotary pulley 9. On the other hand, a long blade 12a constituting the branch cutting blade 12 is fastened and fixed with a screw 17, and a short blade 12b constituting the branch cutting blade 12 is fastened and fixed with respect to a horizontal plane at an upper end portion of the bracket 11 with a screw 18. .

An adjusting screw 19 is screwed onto a screwing piece 10a formed at the base end of the branching arm 10, and a weight member 20 is mounted on a mounting piece 10b formed at the base end of the branching arm 10. When the rotary pulley 9 rotates, the branch cutting blade 12 fixed to the branch cutting arm 10 horizontally rotates in a direction facing the stem Ba peripheral surface of the broccoli B. Threaded piece 10 of the branching arm 10
The adjustment screw 19 screwed into the a and the regulating wall 9a formed on the inner peripheral edge of the rotary pulley 9 are brought into contact with each other, and the stem Ba of the broccoli B inserted into the stem insertion base 2 is connected to the above. The branch cutting blade 12 fixed to the branch cutting arm 10 is restricted to a position close to a predetermined distance, and each of the branch portions B protruding from the stem Ba of the broccoli B by rotating the adjusting screw 19.
The pruning length of b ... is variably set.

The cutting load applied when the rotary pulley 9 is rotated can be variably set by replacing the weight member 20 fixed to the branching arm 10 with a plurality of weight members 20 set in advance. Can be.

As shown in FIGS. 3 and 5, the above-mentioned stem cutting mechanism 6 is provided at a height position opposite to the lower end side stem portion Ba peripheral surface of the broccoli B inserted into the above-mentioned stem insertion table 2. The V-shaped stem-holding arms 21 and 21 are pivotally supported so as to be horizontally rotatable, and the base ends of the stem-holding arms 21 and 21 are fixed to the upper ends of the support shafts 22 and 22 bearing on the same side. , The same support shaft 2
The gears 23 fixed to the upper ends of the stems 2 and 22 are meshed with each other, and the piston rod of the stem clamping cylinder 24 disposed at the side of the same position is connected and fixed to one stem clamping arm 21. By the operation of the stem holding cylinder 24, a closed angle position where the lower end side stem Ba of the broccoli B inserted into the stem insertion table 2 is clamped and fixed, and an open angle position where the stem Ba of the broccoli B is allowed to be inserted. Arms 21 and 21
Is horizontally rotated left and right.

The stem cutting arm 25 is pivotally supported at a position slightly higher than the peripheral surface of the stem Ba of the lower end side of the broccoli B clamped and fixed by the stem clamping arms 21 and 21. The stem cutting blade 26 is horizontally fixed to the tip of the stem cutting arm 25 in opposition to the peripheral surface of the stem Ba of broccoli B, and the piston rod of the stem cutting cylinder 27 arranged at the same position side is cut. Is connected and fixed to the intermediate portion of the arm 25 for operation, and the cylinder 27 for stem cutting operates to
The broccoli B is horizontally rotated between a cutting position for cutting the lower stem portion Ba of the broccoli B inserted into the stem insertion table 2 and a standby position facing the lower stem portion Ba of the broccoli B.

Assuming that the illustrated embodiment is configured as described above, the operation of pruning broccoli B by the broccoli pruning device 1 will be described below. First, as shown in FIGS. 1 and 2, a stem Ba of broccoli B, which has been pruned to an appropriate length in advance, is inserted into a stem insertion hole 2 of a stem insertion table 2.
a, the head Bc of the broccoli B is locked on the support rods 5 fixed to the stem insertion holes 2a, and the branches Bb projecting from the peripheral surface of the stem Ba of the broccoli B.
Is set below the stem insertion hole 2a. After that, the stem fixing cylinders 7 are operated in synchronization with each other, so that four stems Ba of the broccoli B inserted into the stem insertion table 2
Each of the stem fixing plates 6 is pressed from all sides to be rotationally fixed.
At the same time, the stem holding cylinder 24 of the stem cutting mechanism 6 is operated, and the lower end side stem Ba of the broccoli B inserted into the stem insertion table 2 is clamped and fixed by the stem clamping arms 21 and 21.

Next, as shown in FIG. 3, the pruning motor 13 of the pruning mechanism 4 is driven to rotate the rotary pulley 9 disposed on the lower surface side of the stem insertion base 2 in the pruning direction (arrow direction). The branching arm 10 which is rotated and pivotally supported by the rotating pulley 9
Of the branch cutting blades 12 of the broccoli B are horizontally rotated in a direction facing the branches Bb.

That is, when the rotary pulley 9 is rotated in the pruning direction (the direction of the arrow), an inward centrifugal force is applied to the pruning blade 12 fixed to the tip end of the pruning arm 10, and the pruning is performed. An outward centrifugal force is applied to the weight member 20 fixed to the base end of the arm 10 for use. At the same time, when the branching arm 10 is slightly displaced inward, a swirling airflow acts on the vertical plane of the branching blade 12 fixed to the branching arm 10, so that the rotating pulley 9 rotates. Due to the synergistic action of the generated wind force and centrifugal force, the branch cutting blade 12 of the branching arm 10 opposes each branch Bb projecting from the peripheral surface of the stem Ba of the broccoli B against the traction of the coil spring 16. , Protruding from the peripheral surface of the stem Ba of the broccoli B with an L-shaped branch cutting blade 12 fixed to the branching arm 10, and sequentially cutting the branches to a predetermined length. The chips of each branch portion Bb are dropped and collected in a bucket or the like disposed at a lower position.

Next, after the pruning, the drive of the pruning motor 13 of the pruning mechanism 4 is stopped, and the coil spring 1 is turned off.
The branching arm 10 is returned to the initial position by the pulling force of 6. At the same time, the stem cutting cylinder 27 of the stem cutting mechanism 6 is operated to cut the lower end side stem Ba of the broccoli B clamped and fixed by the left and right stem clamping arms 21 and 21 to a predetermined length with the stem cutting blade 26. I do. Thereafter, the cylinder 24 for stem clamping and the cylinder 27 for stem cutting are returned to operate,
The stem holding arms 21 and 21 and the branching arm 10 are rotated back to the initial positions, and the chips of the stem Bb are dropped and collected on a bucket or the like disposed at a lower position.

After the pruning operation and the stem cutting operation are completed,
Each of the stem fixing cylinders 7 is returned to operate and the stem insertion table 2 is moved.
The stem fixing plates 6 are separated from the stem Ba at the upper end side of the broccoli B inserted in the broccoli B, and the pruned broccoli B is separated.
Is pulled out from the stem insertion table 2 and the next broccoli B is inserted into the stem insertion table 2 to continue the pruning operation.

As described above, the stem Ba of broccoli B
.., Which protrude from the peripheral surface, are sequentially cut by one pruning blade 12, so that the rotating power applied when the pruning blade 12 bites is smaller than in the conventional device, and the pruning is performed. Occasionally, the whole broccoli B can be prevented from rotating in the pruning direction, the pruning operation of the broccoli B can be reliably performed, the time required for the pruning operation is greatly reduced, and labor is saved and efficiency is improved. be able to. Moreover, the weight member 20 of the branching arm 10
The branch cutting blades 12 are sequentially cut into the branches Bb... Protruding from the stem Ba of the broccoli B using the centrifugal force applied to the broccoli B, so that the branches Bb projecting from the stem Ba peripheral surface.
.. Are sufficiently prevented so that the cutting position of the pruning blade 12 is prevented from fluctuating in the radial direction at the time of pruning. Each of the protruding branch portions Bb can be cut to a predetermined length.

Further, each branch Bb projecting from the peripheral surface of the stem Ba of the broccoli B is pruned, so that the stem B
It is possible to prevent a large amount of water contained in a from being released, prolong the freshness of broccoli B, and positively prevent loss of commercial value by the time of shipment. Moreover, by unifying the broccoli B into a predetermined form, a large number of broccoli B can be arranged and transported in the same direction, so that the sorting operation and the box packing operation can be easily performed, and the box packing space is reduced, and the shipping is performed. The number of boxes packed at the time can be increased, and the transportation cost can be reduced.

In correspondence between the configuration of the present invention and the above-described embodiment, the arm turning means of the present invention includes a guide roller 8 and a rotary pulley 9 which constitute the branching mechanism 3 of the embodiment.
, The driving motor 13, the driving pulley 14, and the driving belt 15, but the present invention is not limited to the configuration of the above-described embodiment.

In the embodiment described above, the rotary pulley 9 is rotated about the stem Ba of the broccoli B inserted into the stem insertion table 2 and the branching arm 10 pivotally supported on the rotary pulley 9 is turned. For example, a revolving body (not shown) such as a chain or a rotating plate is rotated around the stem Ba of the broccoli B inserted into the stem inserting table 2 to move the branching unit. The arm 10 may be pivotally moved in the pruning direction.

[Brief description of the drawings]

FIG. 1 is a side view showing a pruning operation by a broccoli pruning device.

FIG. 2 is a plan view of a stem insertion stand for inserting and fixing the stem of broccoli.

FIG. 3 is a plan view showing an arrangement state of a branch cutting mechanism and a stem cutting mechanism.

FIG. 4 is a partially enlarged plan view of the rotary pulley showing a state where the branch cutting blade is attached.

FIG. 5 is a front view of a stem cutting mechanism for cutting the stem of broccoli.

[Explanation of symbols]

 B ... Broccoli Ba ... Stem Bb ... Branch 1 ... Broccoli pruning device 2 ... Stem insertion table 3 ... Branch cutting mechanism 4 ... Stem cutting mechanism 9 ... Rotary pulley 10 ... Branch cutting arm 12 ... Branch cutting blade 16 ... Coil spring Reference numeral 20: weight member 25: stem cutting arm 26: stem cutting blade

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B26D 3/26 A01D 45/00 A23N 15/00

Claims (1)

(57) [Scope of request for utility model registration] After the stalk portion of the broccoli is inserted and fixed in the stalk insertion stand, the pruning blade is rotated in the pruning direction around the stalk peripheral surface of the broccoli, and a large number of the sprouts projecting from the broccoli stalk peripheral surface. A broccoli pruning device that sequentially cuts each branch to a predetermined length with a pruning blade, wherein the stem peripheral surface is located at a position opposite to the stem peripheral surface of the broccoli inserted into the stem insertion stand. One branching arm is pivotally supported so as to be horizontally rotatable in the opposite direction, and one branching blade is fixed to the distal end of the branching arm, and is attached to the base end of the branching arm. A broccoli pruning device having a weight member fixed thereto and arm turning means for turning a branching arm in a pruning direction around a stem portion of the broccoli inserted into the stem insertion stand.