JPH0327374Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention is a method of separating and feeding paper tube seedlings, which are raised using cultivation soil filled in paper tubes as seedbeds, into a transplanting machine in rows to be transplanted to the main field. It concerns a seedling separation tool.
In particular, the aim is to reduce the labor required for machining by improving the support structure of the needle body, improve durability through reliable attachment, and reduce weight, which is required as a hand tool.

[Conventional technology]

Paper cylinder seedling separation tools in the above fields of use include:
Utility Model Publication No. 49-10746 discloses a method using a rotating arc-shaped needle.

[Problem that the invention attempts to solve]

In the above-mentioned method using arcuate needles, it is very difficult to accurately attach a large number of arcuate needles.

In other words, the arc-shaped needles were attached one by one to the needle frame by matching the arc and tip, but special techniques were required because the needles were welded so thin. Also,
The heat from welding changed the nature of the needle, making it brittle and sometimes breaking.

[Means for solving problems]

The present invention consists of a contact plate 1 having a predetermined width, and a large number of arc-shaped needles 1 arranged in parallel and rotating supported by the contact plate 1.
5' is provided, and the width of the plate 1 to which the arc-shaped needles 15' are directly attached is a separation tool that captures and separates seedlings grown in a paper tube in a row using the plate 1 and the arc-shaped needles 15'. A needle frame 11 having approximately the same length as the needle frame 1 is provided.
1 has a U-shape when viewed from the side, and the needle frame 11 has a number of holes 12 arranged in rows facing each other on both the upper and lower sides of the U-shape.
A, 12A', 12B, 12B', ... and the pair of four holes 12A, 12A', 12B, 12
A large number of inverted U-shaped needles 15 are fitted from above for each B', and a pair of holes 12 on the U-shaped upper surface of the needle frame 11 are inserted.
A protrusion 14 is provided between A, 12B, ..., and the protrusion 1
After fixing the inverted U-shaped needle 15 to the needle frame 11 by bending the inverted U-shaped needle 15 and bringing it into contact with the head engaging part 16 of the inverted U-shaped needle 15 from above as the engaging protrusion 14', The above problem is solved by bending the inverted U-shaped needle 15 into an arc shape at once to form an arc-shaped needle 15'.

[Effect]

In the present invention, the needle frame 11 to which the arc-shaped needle 15' is directly attached has a U-shape in side view and has approximately the same length as the width of the contact plate 1.
A, 12A', 12B, 12B', . . . can be processed while the plate is still flat, and it has sufficient strength to directly attach the arc-shaped needle 15'.

In addition, a pair of four holes 12A, 12A' of the needle frame 11,
A large number of inverted U-shaped needles 15 are fitted from above for each of 12B and 12B', and the protruding piece 14 is bent and brought into contact with the head engaging portion 16 of the inverted U-shaped needle 15 from above to form an engaging protrusion. Place the inverted U-shaped needle 15 as the piece 14' in the needle frame 1.
1, a large number of inverted U-shaped needles 15 can be easily fixed to the needle frame 11.

Further, after fixing a large number of inverted U-shaped needles 15 to the needle frame 11, the arc-shaped needles 15' are bent into an arc shape at once.
Therefore, the arcs of a large number of arc-shaped needles 15' can be easily aligned.

〔Example〕

A substantially flat contact plate 1 of a predetermined width is provided which is brought into contact with the side surface of a group of paper tube seedlings, and support plates 5, 5' are protruded from both ends of the back surface of the contact plate 1 which is brought into contact with the paper tube seedlings. support plate 5,
5', needle frame support rods 18, 18' are rotatably joined to holes bored in the support plates 5, 5' with bolts 9 and nuts 10. At the tip of the needle frame support rod 18, 18',
A needle frame 11 having approximately the same length as the width of the backing plate 1 is provided by riveting.

The needle frame 11 is formed by bending a thin flat plate to form a U-shape when viewed from the side, and the needle frame 11 has a large number of holes 12A, 12A', and
12B, 12B', ... are drilled, but holes 12A, 12B, ... are made on the U-shaped top surface, and holes 12A', ... are made on the bottom surface.
Drill 12B', ... in the positions where the upper and lower holes correspond. A pair of holes 12A, 12B and holes 12A', 12
The intervals such as B' are the needle tip 17 of the inverted U-shaped needle 15,
Punch to match the 17' spacing.

A cut and raised hole 13 is provided between the pair of holes 12A and 12B of the needle frame 11, and between the pair of holes 12C and 12D, and the cut and raised protrusion is used as a protrusion piece 14.

The inverted U-shaped needle 15 fixed to the needle frame 11 has a linear head engaging part 16 on its upper part, and is bent at right angles from the left and right sides of the head engaging part 16 so as to be almost parallel to each other. Needle tip with a pointed tip 17,1
7'.

To attach the inverted U-shaped needle 15 to the needle frame 11, use a pair of four holes 12A, 12A', 12B,
A large number of inverted U-shaped needles 15 are fitted from above for every 12B' so that the head engaging portion 16 is positioned above the cut and raised hole 13 and below the protruding piece 14. After fitting a predetermined amount of the inverted U-shaped needle 15, bend the protruding piece 14 all at once using an appropriate method and bring it into contact with the head engaging portion 16 of the inverted U-shaped needle 15 from above to engage it. By forming the mating protrusion 14', the inverted U-shaped needle 15 is attached and fixed to the needle frame 11.

In order to bend the inverted U-shaped needles 15 to form the arc-shaped needles 15', after fixing the inverted U-shaped needles 15 to the needle frame 11, it is necessary to bend a large number of inverted U-shaped needles 15 at once. Since the arc-shaped needles 15' are formed by bending the needles 15' into an arc shape all at once using a wide mold, the arcs of a large number of arc-shaped needles 15' can easily fit together.

The handle 20 is attached to the center of the needle frame 11 by a support rod 19,
A handle 2 is riveted and provided at the support rods 3 and 4 at the center of the back surface of the top plate 1 which is brought into contact with the paper tube seedlings.

Torsion coil springs 6, 6' are provided to protrude below the support plate 1, and the support plate 5,
5', and the lower portions of the torsion coil springs 6, 6' are elastically movable. In addition, the upper part of the plate 1 is bent at a right angle, and the engaging part 2 of the paper tube seedlings is attached to the upper part of the paper tube.
Set to 1.

Next, how to use the device of the present application will be explained.

The operator holds the handle 2 with one hand and the handle 20 with the other hand, and rotates a large number of arc-shaped needles 15' fixed to the needle frame 11 around the bolt 9 to arrange the paper tube seedlings in rows. It captures and separates the
First, pull the handle 20 toward the handle 2 side to bring it into state A in FIG. At this time, the tip of the arc-shaped needle 15' is positioned slightly above the engaging part 21,
A torsion coil spring 6 is placed on the floor where the paper tube seedlings are placed.
After making contact with the lower end of the paper tube 6', push the handle 2 toward the paper tube seedling group, bring the front of the plate 1 into contact with the side surface of the paper tube seedling group, and move the engaging part 21 to the paper tube of the paper tube seedlings. When viewed from the top, the tip of the arcuate needle 15' naturally appears at the opening on the top surface of the paper tube. At this time, the handle 20 is pressed to rotate the arc-shaped needle 15' so that it plunges into the cultivation soil in the paper tube, and the seedlings grown in the paper tube are captured in a line by the plate 1 and the arc-shaped needle 15'. Next, pull the handle 2 toward you and peel off the glued parts from the top to the bottom of the paper tube to separate it, place it on the transplanter, rotate the handle 20 toward you to release the grip, and arrange it in a row. These are paper tube seedlings.

[Effect of idea]

The needle frame 11 to which the arc-shaped needle 15' is directly attached is
Since it has a U-shape when viewed from the side, there are many holes 1.
2A, 12A', 12B, 12B', etc. can be easily processed while the plate is still flat, and it is strong enough to directly attach the arc-shaped needle 15', so it can be used as a hand tool. Necessary weight reduction becomes possible.

In addition, a pair of four holes 12A, 12A' of the needle frame 11,
A large number of inverted U-shaped needles 15 are inserted into each of 12B and 12B' from above, and the protruding piece 14 is bent to fix the inverted U-shaped needles 15 to the needle frame 11. 15 can be easily fixed to the needle frame 11, unlike the conventional method where needle bodies were attached one by one by welding, special techniques are not required and the needle frame 11 is reliably durable. Installed.

In addition, since a large number of inverted U-shaped needles 15 are bent into an arc shape at once to form the arc-shaped needles 15', the arcs of the large number of arc-shaped needles 15' can be accurately aligned, and the separation of paper tube seedlings can be performed easily. can be done reliably.

As described above, the present invention simplifies the installation of the needle body and the alignment of the arcs, so it can be manufactured in large quantities at low cost. Furthermore, since the needle body is lightweight, accurately and reliably attached, there is an effect that the operator can easily and reliably perform the work of separating the paper tube seedlings.

[Brief explanation of drawings]

Figure 1 is a front view of the paper cylinder seedling separation device according to the present invention;
Fig. 2 is a side view of the same, Fig. 3 is a perspective view of the inverted U-shaped needle on the needle frame before it is attached, Fig. 4 is a perspective view of the inverted U-shaped needle before it is attached to the needle frame, and Fig. 5 is a perspective view of the inverted U-shaped needle before it is attached to the needle frame. It is a perspective view after an inverted U-shaped needle is attached to a needle frame. 1...Packing plate, 11...Needle frame, 12A, 12A',
12B, 12B'...hole, 14...protrusion, 14'...
...Engaging protrusion, 15... Inverted U-shaped needle, 15'... Arc-shaped needle, 16... Head engaging portion.

Claims (1)

[Scope of utility model registration request] A contact plate 1 having a predetermined width and a large number of arcuate needles 15' arranged in parallel and rotating supported by the contact plate 1 are provided,
In a separation device that captures and separates seedlings grown in a paper tube in a row using a plate 1 and an arcuate needle 15', a part with a length approximately the same as the width of the plate 1 to which the arcuate needle 15' is directly attached is used. A needle frame 11 is provided, and the needle frame 11 has a U-shape when viewed from the side, and the needle frame 11 has a large number of holes 12A, 12A', and
12B, 12B', . A pair of holes 12A, 12B,...
A protruding piece 14 is provided in between, and the protruding piece 14 is bent and brought into contact with the head engaging portion 16 of the inverted U-shaped needle 15 from above to form an engaging protruding piece 14'. This needle body support structure for a paper tube seedling separation device is characterized in that a large number of inverted U-shaped needles 15 are bent into an arc shape at once to form an arc-shaped needle 15' after being fixed to a needle frame 11.