JP2700858B2 - Spray nozzle 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 spray nozzle device for spraying a liquid at a wide angle.

[0002]

2. Description of the Related Art In general, a spray nozzle device of this type is provided with a nozzle having a tip opening set to a required shape and dimensions. When a liquid is pressurized to a required pressure by a pump and fed to the nozzle, the tip opening of the nozzle is opened. From the liquid is sprayed at a wide angle.

[0003]

By the way, a product in which noodle foods such as boiled soft and viscous udon noodles, Chinese noodles of noodles, and spaghetti noodles are packaged in a plastic film wrapping bag is marketed. However, in such packaged foods, when noodles are taken out by cutting the package, in order to prevent the noodles from sticking to the inner surface of the wrapper and becoming difficult to take out, wrapping the noodles food boiled in the packaging process is performed. An edible oil or fat such as salad oil is added to the wrapper before or after filling into the wrapper to prevent sticking. It is preferable that this kind of anti-adhesive liquid is sprayed from a spray nozzle at a wide angle and added so as to adhere to the inner surface of the wrapper or to the noodle foods. Therefore, even if the electromagnetic valve controls the communication between the pump and the nozzle and the cutoff, it is difficult to accurately control the discharge amount of the high-pressure liquid sprayed from the nozzle at the moment of the communication. Therefore, if you spray a liquid such as salad oil into the wrapper using a conventional spray device,
There is a problem that the liquid is consumed more than necessary. Also,
The wrapper is filled with the boiled noodle food and added with an anti-adhesive liquid, and then heated and adhered to the opening of the bag to be sealed. However, if the anti-adhesive liquid adheres to the seal portion, poor sealing occurs. In order to prevent this, it is necessary to spray the liquid by inserting the tip of the nozzle into the sealing surface so that the spraying liquid does not adhere to the sealing surface. For that purpose, a mechanism for moving the nozzle up and down is indispensable, so that the apparatus becomes large and expensive, and the nozzle is moved up and down every time the anti-adhesive liquid is added to the wrapper, so that the time required for the spraying process becomes longer. Therefore, there is a fear that the liquid dropped from the nozzle rarely wets the surface to be sealed, resulting in poor sealing. In view of the above problems, the present invention can spray a required amount of liquid at a wide angle, and in particular, can use the liquid as a means for spraying into a wrapper in the packaging process of boiled noodle foods, thereby producing the same in the process. It is an object of the present invention to provide a spray nozzle device capable of improving the performance.

[0004]

[MEANS FOR SOLVING THE PROBLEMS] To achieve the above object
This spray nozzle device includes a liquid nozzle installed with the tip opening directed vertically downward, and a liquid nozzle arranged at a position from the tip of the liquid nozzle.
While projecting downward by a fixed size, the center line of the tip opening is
At a predetermined angle symmetric with respect to the center line of the liquid nozzle
A pair of air nozzles provided to cross each other
And a certain amount of liquid intermittently drops from the liquid nozzle
Means for feeding the liquid to the nozzle so as to perform
A predetermined distance from the tip opening of the liquid nozzle.
Pressurized air obliquely from above toward the dispersion point separated downward
The liquid dropped by injecting pressurized air supplied from a source
Is sprayed .

[0005]

According to this spray nozzle, the liquid dropped from the tip opening of the liquid nozzle is dispersed in the form of a mist from the dispersion point and sprayed downward by the action of the pressurized air injected from the air nozzle. You. However, according to the present invention, the liquid sprayed from the liquid nozzle is not continuously supplied while being constantly pressurized as in a conventional spray nozzle, but is intermittently supplied by a constant amount by a fixed amount supply unit. Supplied
The spray amount can be controlled accurately. In particular, according to the present invention, instead of spraying the liquid directly from the tip opening of the nozzle,
The droplets are ejected in a droplet form up to the dispersion point vertically separated from the opening by a certain distance, and dispersed in the form of a mist from the dispersion point. For this reason, when used as a means for spraying the liquid into the wrapper in the packaging process of the boiled noodle food, the dispersion point can be set even if the tip opening of the nozzle is not necessarily placed inside the wrapper. If it is set to be located lower, the anti-adhesion liquid can be prevented from adhering to the predetermined sealing surface. Therefore, since it is not necessary to move the tip opening of the nozzle up and down as in the prior art in order to prevent the anti-adhesion liquid from adhering to the predetermined sealing surface, the mechanism for moving the nozzle up and down can be omitted, and the device can be downsized. Thus, the productivity in the packaging process can be increased.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a spray nozzle device according to an embodiment of the present invention; The spray nozzle device 10 is for adding a small amount of about 1.2 cc of salad oil 13 as an anti-adhesive liquid to a plastic film wrapping 12 for packaging the boiled noodles 11. A funnel 14 for dropping the boiled noodles 11, a liquid nozzle 15 inserted in the center of the funnel 14, a pair of air nozzles 16 arranged on both sides of the nozzle 15, a A compressed air source 18 is provided. The bag 12 is sandwiched at both ends so that the mouth of the bag is opened by a grip 19 provided to protrude radially from a disc (not shown) rotating intermittently,
Hanging from the grip 19. As the disk rotates intermittently, the plurality of wrappers 12 are sequentially conveyed to a position directly below the funnel 14, stopped for a certain time, and then conveyed to the next station. The salad oil 13 is sprayed from the liquid nozzle 15 into the wrapper 12 while the wrapper 12 is stopped immediately below the funnel 14, and then the boiled noodle 11 is dropped through the funnel 14. The funnel 14 reciprocates up and down by a drive mechanism (not shown), and the salad oil 13
Is sprayed, and while the boiled noodle 11 is dropped, the tip opening enters the wrapper 12, and when filling of the boiled noodle 11 is completed, the ascent rises and comes out of the wrapper 12.

[0007] The liquid nozzle 15 is fixed to a frame (not shown) by a bracket 20 so that the tip opening faces vertically downward, and is connected to a constant-rate discharge pump 17.
Since the fixed-rate discharge pump 17 has a built-in mechanism for intermittently reciprocating the diaphragm and the diaphragm, a fixed amount of the salad oil 13 can be dropped intermittently from the opening at the tip of the liquid nozzle 15. Nozzle 1 for each air
Numeral 6 is fixed to both sides of the liquid nozzle 15 by welding, and is connected to a pressurized air source 18 via a flow control valve 21. The tip opening of each air nozzle 16 protrudes downward from the tip opening of the liquid nozzle 15 by a predetermined dimension, and the center line of the opening intersects the center line of the liquid nozzle 15 at a predetermined angle. In addition, the tip openings of the two air nozzles 16 are provided symmetrically with respect to the center line of the liquid nozzle 15. Since the air nozzle 16 is disposed in this manner with respect to the liquid nozzle 15, the compressed air supplied from the compressed air source 18 is dispersed vertically downward by a predetermined distance from the tip opening of the liquid nozzle 15. It can be injected obliquely from above toward a point. This dispersion point is set so as to be located below the scheduled sealing surface 12 a of the wrapper 12.

In this embodiment, when the empty wrapper 12 is conveyed to just below the funnel 14 and stopped, pressurized air is supplied from the pressurized air source 18 to the air nozzle 16.
Erupts from Next, the fixed amount discharge pump 17 is driven, and one drop of the salad oil 13 is dropped from the opening at the tip of the liquid nozzle 15. The droplets of the salad oil 13 are sucked by the negative pressure generated between the air nozzle 16 and the liquid nozzle 15, extend elongated from the tip opening of the liquid nozzle 15 to the dispersion point, and pressurized air injected from the air nozzle 16. The mist is dispersed in the form of a mist while forming a cone with the dispersion point at the top, and sprayed downward, and adheres to the inner surface of the wrapper 12.

According to this embodiment, however, the salad oil 13 sprayed from the liquid nozzle 15 is not always pressurized and continuously supplied as in the conventional spray nozzle, but is a constant discharge pump. Since it is intermittently supplied by a fixed amount by 17, it is possible to accurately control the spray amount and prevent waste of the salad oil 13. Further, the salad oil 13 is not sprayed directly from the opening of the tip of the liquid nozzle 15, but is discharged in a droplet form up to a dispersion point vertically separated from the opening by a certain distance, and becomes a mist from the dispersion point. Disperse downward. For this reason, the salad oil 13 adheres to the scheduled sealing surface 12a if the dispersion point is set to be lower than the scheduled sealing surface 12a even if the tip end opening of the liquid nozzle 15 is not put in the wrapper 12. Can be prevented. Therefore, since it is not necessary to move the tip end opening of the nozzle 15 up and down as in the conventional case in order to prevent the salad oil 13 from adhering to the predetermined sealing surface 12a, a mechanism for vertically moving the nozzle 15 can be omitted, and the apparatus can be downsized. Thus, it is possible to reduce costs and increase productivity in the packaging process.

[Brief description of the drawings]

FIG. 1 is a partially broken front view showing a schematic configuration of a spray nozzle device according to an embodiment of the present invention.

FIG. 2 is a partially broken side view showing a schematic configuration of the spray nozzle device.

[Explanation of symbols]

10 → spray nozzle device 11 → boiled noodle 12 → wrapper bag 13
→ salad oil 14 → funnel 15 → nozzle for liquid 16 → nozzle for air 17 → dispensing pump 18 → pressurized air source 19 → grip 20 → bracket 21 → flow control valve

Claims (1)

(57) [Claims] 1. A liquid nozzle having a tip opening directed vertically downward, and a predetermined dimension from a tip of the liquid nozzle.
It projects downward and the center line of the tip opening is
Cross at a predetermined angle symmetrical with respect to the center line of the nozzle
A pair of air nozzles respectively provided
So that a certain amount of liquid drops intermittently from the body nozzle
Means for feeding the liquid to the nozzle,
Separated vertically downward from the tip opening of the body nozzle by a specified distance
From a pressurized air source from diagonally above to the dispersed point
Sprays the dropped liquid by injecting compressed air
A spray nozzle device characterized by being configured as described above .