JP2505118B2 - Feeding method and feeding device for needle wires to a driving machine - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for feeding a needle wire to a driving machine for assembling loops and the like.

[0002]

2. Description of the Related Art A wappa container is a container for packing food such as bento and sushi, and is also called a bent product. For its production, a strip stripped from a tree is rolled, and both ends are plated with copper. Assemble the loop by stopping with a strip-shaped needle wire, and fit the bottom plate into it. Regarding the looped needle stop, the needle wire is intermittently supplied to the needle driving machine.

Referring to FIG. 3, a conventional needle wire feeder will be described. First, a driving roller 7 and an idle roller 9 are provided in the vicinity of the driving machine 5, and the needle wire 1 is rewound between them, whereby the reel is reeled. It is rewound from 3.

As a method of intermittently supplying the needle wire 1 to the driving machine 5 in a fixed amount, as shown in FIG. 4, an escape groove 13 is formed on the outer peripheral surface of the driving roller 7 so that the idle roller 9 does not press the needle wire 1. Notch 15 provided with escape groove
There was a way to set up.

[0005]

In the case of the intermittent gripping type shown in FIG. 4, since it is difficult to adjust the feed amount, the feed amount is likely to be too large or too small, and the excessive amount continues. Then, the double wire A of the needle wire material 1 is generated between the drive roller 7 and the driving tool 5 (FIG. 3), and there is a problem that the needle wire material cannot be supplied due to the accumulation of the wire material.

That is, since the idle roller 9 presses the needle wire 1 against the drive roller 7 only in the notch 15, the needle wire 1 is fed by the length of the contact side L, but in reality, the needle wire is hard and soft. Depending on the number of windings on the reel 3 and the number of windings on the reel 3, the slip may occur and the portion corresponding to the side L may not be fed.

Therefore, in consideration of slippage, the length of L is slightly larger than the feed amount, the feed amount is adjusted to a constant value by the stopper of the driving tool 5, and the excess amount caused by the adjustment is set by the escape groove 13. I missed to reel 3 side. Due to this return, a double B of the needle wire 1 is gradually generated between the driving tool 5 and the reel 3, which causes the needle wire to loosen in the reel 3, and thus the entanglement of the needle wire in the reel 3 occurs. This causes resistance and the drive roller slips, the feed amount of the needle wire material becomes too small, or the feed becomes impossible at all, resulting in the problem that short needles or defective products that cannot be hit occur. .

The present invention solves the above problems,
An object of the present invention is to provide a feeding method and a feeding device for a needle wire rod that can be reliably and intermittently fed to a driving machine by a fixed amount without excess or deficiency .

[0009]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention eliminates the double-threading of a needle wire that hinders feeding to a driving machine and the double-threading that hinders rewinding from a reel. It was completed by finding that it can be absorbed by forming the adjustment double.

In the feeding method according to the present invention, the needle wire is fed from the reel to the driving machine, while the needle wire is rewound from the reel by the first feeding roller device and is supplied to the driving machine by the second feeding roller device. Along with the first feed roller device and the second feed roller device, the needle wire is substantially regularly
A large loose floating adjustment is positively generated, the first feeding roller device prevents the adjustment doublet from spreading to the reel, and the second feeding roller device strikes the needle wire material after the adjustment double a little more than a predetermined amount. While pushing it out into the inserter , the surplus returned by the reaction of the extrusion in the inserter is returned to the adjustment dubli by canceling the pinching of the second feed roller device, and the doubled amount of the adjustment dubli It features automatic adjustment.

In the device of the present invention, the reel on which the needle wire is wound is provided at the rear end of the frame, the driving machine is provided at the front end, and the needle wire is largely doubled above the reel and the driving machine. There is a double room that can be inserted, and the double room is composed of a combination of a slightly forward-sloping upward guide plate and a slightly backward-sloping downward guide plate, and the needle wire is always sandwiched below the upward guide plate. A feed roller device is provided, and a second feed roller device that intermittently clamps the needle wire material is provided below the downward guide plate.Furthermore, the dub room detects the amount of debris and operates the first feed roller device. An upper proximity sensor that stops and a lower proximity sensor that senses a small amount of doublet and starts the operation of the first feed roller device are provided.

[0012]

Since the method of the present invention is constructed as described above, when the second feeding roller device feeds the needle wire to the driving machine, the needle wire is fed a little more, and when the excess is pushed back, the second feeding roller is pushed back. Since the excess is absorbed in the double room between the first feed roller device and the second feed roller device during play that the device does not pick up, the gap between the second feed roller device and the driving machine is reduced. In the above, there is no accumulation of needle wire due to debris, and the supply of needle wire to the driving machine does not stop.

The adjustment doubler is adjusted so as not to be excessive or excessive by the operation of the second feed roller device, so that it is not disturbed and the first feed roller device prevents the spread of the doublet to the reel. Therefore, the first feed roller device prevents the double wire from being formed between the reel and the first feed roller device, and the entanglement of the needle wire material on the reel due to the doubler does not occur. The needle wire is rewound as much as necessary.

The device of the present invention can effectively implement the above method. In addition, since the adjustment double of the needle wire is molded in the double room, it is possible to prevent the shape collapse, and of course, the inclination of the up guide plate and the down guide plate facing each other causes the adjustment double to move out of the double room. As a result, the doublet does not become a resistance of the retraction by the second feed roller device, and the supply to the driving machine is smoothly performed.

[0015]

Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 shows a loop forming machine, in which a reel 3 around which a needle wire 1 is wound around a frame 2, a first feed roller device 4, a double room 6, and a second feed roller device 8 are provided. , And a driving machine 5.

The upper half of the frame 2 is trapezoidal, the reel 3 is pivotally supported at the lower rear end, and the guide 10 for the needle wire 1 to the first feed roller device 4 is provided near the front delivery port. It is provided.

The first feed roller device 4 is located above the reel 3 and is composed of a drive roller 12 and an idle roller 14, and the needle wire 1 is sandwiched between the drive roller 12 and the idle roller 14, so that the reel 3 is moved to the double room 6. It is fed out and is inverted there to form the adjustment dubli 29.

As shown in FIG. 2, in the first feed roller device 4, a concave groove 30 is formed on the outer peripheral surface of the drive roller 12, and the needle wire material is formed by sandwiching the concave groove 30 and the idle roller 14 together. It is certain that 1 is brought in. The idle roller 14 is axially supported by the tip of an arm 34 that is swingably supported, and the elastic force of a coil spring 36 causes the drive roller 1 to rotate.
It is constantly pressed against the concave groove 30 of 2. Reference numeral 32 is a screw for setting the drive roller 12.

The double room 6 is an upper end portion of the frame 2,
In other words, it is provided in the upper half of the trapezoid and the adjustment double 29
It is composed of a forward-sloping ascending guide plate 16 and a backward-sloping downward guide plate 18, and left and right side plates that sandwich the adjustment double 29 with a margin. The proximity sensors 20 are provided at the upper and lower ends of the double room 6, respectively. , 22 are provided.

From the first feed roller device 4 to the double room 6
The needle wire material 1 sent to the inside is inscribed in the ascending guide plate 16 and the descending guide plate 18 in the double room 6, is inverted, and is sent to the second feed roller device 8. When approaching up to 5 mm, this is sensed and the operation of the first feed roller device 4 is stopped, and the feed to the second feed roller device 8 reduces the double of the needle wire material 1,
When the lower proximity sensor 22 is approached by 10 mm, it is sensed and the first feed roller device 4 starts to operate, and as a result, the needle wire 1 is fed from the reel 3 to the double room 6, and the amount of doubler there is increased. That is, both sensors 20, 2
Due to the detection of 2, the doubler moves up and down in the double room 6.

In the double room 6, both guide plates 16,
Since the space between the 18 is wide downward, a repulsive force causes the needle wire 1 inscribed therein to escape downward from the double room 6, and the contact with the downward guide plate 18 causes the needle wire 1 to move downward. Receives the action of slipping.

The inner surface 18a of the downward guide plate 18 is corrugated in order to reduce friction so as not to resist the slip.

The second feed roller device 8 comprises a driving roller 7 and an idle roller 9. The roller device 8 is provided with a guide board 26 for the needle wire 1 to the driving machine 5,
The idle roller 9 is pressed against the drive roller 7. That is, when the constant feed is completed, the needle wire 1 is separated from the contact, and the feed is slightly larger than the predetermined amount.

In the driving machine 5, the amount of driving the needle wire 1 is adjusted by the stopper 38, and the excessive amount of the adjustment is pushed back to the double room 6 when the idle roller 9 separates. The second feed roller device 8 may have the same structure as that of the conventional example as shown in FIG.

[0025]

As described above, according to the method of the present invention, when the second feed roller device supplies the needle wire material to the driving machine, the needle wire material is sent out a little more as in the conventional case, and the excess is pushed back. However, since the excess is absorbed by the large adjustment double between the first feed roller device and the second feed roller device, it is possible to prevent the excess between the second feed roller device and the driving tool. There is no accumulation of debris that hinders the supply, and since the reel feeds the necessary amount of adjustment dubri from the second feed roller device and does not return, there is also debris that causes entanglement in the reel. There is an excellent effect that a constant amount of needle wire is always reliably fed to the driving machine.

According to the apparatus of the present invention, the above method can be effectively carried out, and the adjustment dubli can be stably formed in the dub room, and the upward guide plate and the downward guide plate can be inclined by facing each other. Since the action of feeding to the two-feed roller device is obtained, there is an excellent effect that a smoother supply is possible.

[Brief description of drawings]

FIG. 1 is an explanatory view showing an embodiment of the present invention.

FIG. 2 is a partially cutaway side view of a first feed roller device according to the embodiment.

[Fig. 3]

FIG. 4 is an explanatory diagram of a conventional example.

[Explanation of symbols]

 1 Needle Wire Material 2 Frame 3 Reel 4 First Feed Roller Device 5 Driving Machine 6 Double Room 8 Second Feed Roller Device 16 Up Guide Plate 18 Down Guide Plate 20 Upper Proximity Sensor 22 Lower Proximity Sensor 29 Adjustment Doubler

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Haruo Murakami Inventor Haruo Murakami Machinery Co., Ltd. 2 Wakasugi, Kami-shi, Nakashinagawa-gun, Toyama Prefecture (56) References

Claims (2)

(57) [Claims] 1. When the needle wire is fed from the reel to the driving machine, during that time the needle wire is rewound from the reel by the first feed roller device and supplied to the driving machine by the second feed roller device, and at the same time the first feed is carried out. A large adjustment dub that causes the needle wire to move substantially regularly between the roller device and the second feed roller device is positively generated so that the first feed roller device does not spread the adjustment dubli to the reel. The feed roller device pushes the needle wire material after the adjustment double to the driving machine a little more than a predetermined amount , and at the
Surplus returned by the reaction of the extrusion of the second feed roller device
The method of feeding the needle wire to the driving machine, which is characterized in that it is returned to the adjustment double by releasing the pinching, and the double amount of the adjustment double is automatically adjusted by the operation of the first feed roller device. 2. A double reel for feeding a needle wire rod at a rear end portion of a frame, and a driving machine at a front end portion of the frame so that the needle wire rod is largely doubled above the reel and the driving machine. The first feed roller device is equipped with a room, and the double room is composed of a combination of an upward guide plate with a slight incline and a downward guide plate with a slight incline, and the needle wire is always sandwiched below the upward guide plate. And a second feed roller device for intermittently sandwiching the needle wire under the downward guide plate, and further, in the double room, an upper part that detects the size of the double and stops the operation of the first feed roller device. A feed device for a needle wire rod driving tool, comprising: a proximity sensor; and a lower proximity sensor that senses a small amount of debris and starts the operation of the first feed roller device.