JP2021091462A - Opening device mounting apparatus and filling machine - Google Patents

Abstract

To prevent a large amount of dust from accumulating in a chamber and the like inside a filling machine, that is generated in a form of fine thread-like or paper-like plastic dust due to fluttering of a cap flange and the like, which is a portion of an opening device, when the opening device is attached to a packaging material by ultrasonic vibration.MEANS FOR SOLVING THE PROBLEM: An opening device mounting apparatus is provided with a structure having a dust suction function in a sealing disk and an anvil, thereby, the dust that generates during ultrasonic vibration for attaching the cap is sucked in the vicinity of a location where the dust generates and immediately after the dust generates.SELECTED DRAWING: Figure 2

Description

The present invention relates to an opening device attachment device (cap applicator) for attaching an opening device such as a spout, a cap, and a cap flange to a packaging container for filling foods such as liquids and powders. More specifically, the present invention relates to an opening device attaching device incorporated in a filling machine for forming a container and filling food, and attaching a cap to a packaging material for forming a packaging container by ultrasonic vibration.

Various proposals have been made by the applicant and affiliated companies of the applicant regarding a method for manufacturing a packaging container with an opening device such as a cap (see Patent Documents 1 to 4).

For example, Patent Documents 1 and 2 disclose an opening device attaching device for attaching an opening device (spout, orthosis) to a hole provided in a packaging material (carton). As shown in FIG. 6, in the device 100, the opening device 101 is conveyed from the transport unit 102 to the anvil unit 103, and the sealing disk 105 provided on the anvil 104 holds the opening device and fills the holes provided in the packaging material. The opening device is inserted, a part of the opening device is fused to the packaging material by ultrasonic vibration generated from the sonot load 107 of the sonot load unit 106, and the opening device is attached to the packaging material.

Further, Patent Documents 3 and 4 disclose anvil and a sealing disc (engagement part, receiving element) of an opening device attachment device. As shown in FIG. 7, the anvil unit 103 includes an anvil 104 and a sealing disc 105. Further, as shown in FIG. 8, in the cross-sectional structure of the anvil, the vacuum provided outside the anvil 104 is provided through the central vacuum passage 110 provided in the anvil 104 and the engaging passage 111 provided in the central portion of the sealing disk 105. The opening device 112 is held by the sealing disk 105 by the suction action of a pressure pump (not shown).

Japanese Unexamined Patent Publication No. 6-344474 Japanese Unexamined Patent Publication No. 11-138662 Special Table 2017-528384 Special Table 2001-513718

When attaching an opening device to a packaging material by ultrasonic vibration, depending on specific conditions such as the vibration frequency of the ultrasonic wave and the material of the packaging material, the vibration of the ultrasonic wave causes a part of the opening device to flutter, especially for the opening device. Fluttering may occur in a part of the cap flange, and as a result, fine thread-like or paper-like plastic dust may be generated. When a large amount of dust is generated, as shown in FIG. 9, the dust accumulates in the chamber or the like in the filling machine, and the dust adheres to the surface of the packaging material, which may affect the quality of the subsequent manufacturing process. Therefore, it is necessary to stop the filling machine, take out the opening device mounting device to the outside, and remove dust from the inside of the filling machine and the surface of the packaging material.

An object of the present invention is to provide an opening device attachment device capable of efficiently removing dust generated when the opening device is attached to a packaging material. Another object of the present invention is to provide an opening device attaching device capable of efficiently removing dust with a good yield without stopping the operation of the filling machine and the opening device attaching device.

The opening device mounting device according to the present invention is packaged between an anvil unit including an anvil, a sealing disk, and a vacuum holding device, a sonot load unit including a sonot load and an ultrasonic vibration device, and the anvil unit and the sonot load unit. Generated when the supply unit for supplying the material, the transport unit for transporting the opening device to the anvil unit, and the opening device connected to the anvil and attached to the packaging material by the ultrasonic vibration generated from the sonot load unit. A vacuum pump for sucking dust is provided, and the anvil includes a first air passage for holding an opening device provided inside the anvil and a second air passage for discharging dust provided inside the anvil. , A sealing disk connection port provided at one end of the first air passage, an air suction port provided at the other end of the first air passage, and a sealing disconnect connection provided at one end of the second air passage. A ring-shaped suction port provided around the mouth and a dust discharge port provided at the other end of the second air passage are provided, and the vacuum pressure holding device is connected to the air suction port to discharge the dust. The vacuum pump is connected to the outlet, the sealing disk is provided with an opening device suction port connected to the sealing disk connection port, and the sealing disk covers a part of the ring-shaped suction port and is around the sealing disk. A gap is formed between the ring-shaped suction ports, and the dust is sucked through the gap.

Further, in another opening device mounting device according to the present invention, the sealing disc has a chamfer surface from the back surface to the side surface, the chamfer surface covers a part of the ring-shaped suction port, and the periphery of the sealing disc and the above. The gap is formed between the ring-shaped suction ports.

Further, the filling machine according to the present invention includes the above-mentioned opening device mounting device.

As described above, according to the present invention, dust can be removed efficiently with good yield without stopping the operation of the filling machine and the opening device mounting device, so that dust can be prevented from accumulating on the surface of the packaging material or in the filling machine. ..

It is a figure which shows the appearance of the opening device attachment device by one Embodiment of this invention. It is a perspective view of the anvil by one Embodiment of this invention. It is sectional drawing of the anvil by one Embodiment of this invention. It is a perspective view and sectional view of the sealing disk according to one Embodiment of this invention. It is a figure which shows the effect of dust removal of the opening device attachment device by one Embodiment of this invention. It is a figure which shows the appearance of the conventional opening device attachment device. It is a figure which shows the appearance of the conventional anvil unit. It is a figure which shows the cross-sectional structure of the conventional anvil unit. It is a figure which shows the generation of dust in the conventional opening device attachment device.

An opening device attachment device according to an embodiment of the present invention will be described with reference to FIGS. 1 to 6.

FIG. 1 shows an example of an overall view of the opening device mounting device according to the present embodiment. Further, FIG. 2 shows an example of a perspective view of the anvil used in the opening device attachment device, and FIG. 3 shows an example of a cross-sectional view of the anvil.

As shown in FIG. 1, the opening device attaching device 1 of the present embodiment holds a transport unit 3 for transporting the opening device 2 such as a cap and the opening device 2 in a hole provided in the packaging material 6. Between the anvil unit 4 into which the opening device is inserted, the sonot load unit 5 for generating ultrasonic vibration and fusing a part of the opening device 2 to the packaging material, and between the anvil unit 4 and the sonot load unit 5. A supply unit 7 for supplying the packaging material 6 and a vacuum tank 15 connected to the anvil 11 via a hose 14 are provided.

The anvil unit 4 is a vacuum holding device (not shown) for holding the anvil 11 as the main body, the sealing disc 12 provided on the anvil 11, and the opening device 2 on the sealing disc 12 by vacuum pressure for a certain period of time. ) Is provided.

The vacuum pump 15 is arranged outside and is attached to a dust discharge port of an anvil 11 described later via a hose 14. The vacuum pump 15 sucks the dust generated when the opening device 2 is attached to the packaging material 6 by ultrasonic vibration by the vacuum pump 15 and discharges the dust to the outside of the filling machine.

The sonot load unit 5 includes a sonot load 13 which is an ultrasonic wave generating portion, and an ultrasonic vibration device that generates ultrasonic waves from the sonot load 13.

Next, a perspective view of the anvil is shown in FIG. In FIG. 2, the anvil 11 is provided with inverted V-shaped indicating portions 21 and 22, and a ring-shaped suction port 23 is provided at the tip portion of the supporting portions 21 and 22. The dust sucked from the ring-shaped suction port 23 is discharged from the dust discharge port 26 through the second air passage provided in the anvil 11 described later.

A sealing disc 24 is provided so as to cover the ring-shaped suction port 23. The central portion of the sealing disc 24 is provided with an opening device suction port 25 for holding the opening device under vacuum pressure, and the central portion of the sealing disk is connected to the vacuum holding device through a first air passage described later. In FIG. 2, the sealing disc 24 shows a state before being attached to the indicator portion 21. A sealing disc is attached to the indicator unit 22.

Although FIG. 2 shows an example in which the anvil 11 has two support portions, only one indicator portion may be used. Further, three or more indicator units may be provided in consideration of the work efficiency of attaching the opening device.

Next, a cross-sectional view of the anvil is shown in FIG. In FIG. 3, a first air passage 31 and a second air passage 32 are provided inside the indicator 21 of the anvil 11. In FIG. 3, the sealing disc 24 is attached to the indicator 21 so as to cover the ring-shaped suction port 23.

The first air passage 31 is a passage for holding an opening device as in the prior art, and includes a sealing disk connection port 33 provided at one end of the first air passage 31 and an air suction port 34 provided at the other end. .. The sealing disk connection port 33 and the opening device suction port 25 in the center of the sealing disk are connected, the air suction port 34 and the vacuum holding device (not shown) are connected, and the suction action of the vacuum pressure pump generated from the vacuum holding device causes the suction action. The opening device 2 can be held on the sealing disk 24.

The second air passage 32 is a passage for discharging dust, which is one of the features of the present invention, and is a passage inside the anvil different from the first air passage 31. The second air passage 32 is connected to a ring-shaped suction port 23 provided at one end of the second air passage 32, and is connected to a dust discharge port 26 provided at the other end.

The dust discharge port 26 is connected to the vacuum pump 15 via a hose 14.

Further, as shown in FIGS. 3 and 4, the sealing disc 24 covers a part of the ring-shaped suction port 23, and a gap 27 is formed between the periphery of the sealing disc 24 and the ring-shaped suction port 23, whereby this gap is formed. Dust can be sucked from 27. Further, the dust sucked from the gap 27 is discharged to the vacuum pump 15 through the second air passage 32 provided in the anvil 11, the dust discharge port 26, and the hose 14. The sealing disc 24 shown in FIG. 4 has substantially the same size as the ring-shaped suction port 23, and a gap 27 is formed by cutting a part of the substantially circular disc on the circumference. ing. In an example of the sealing disc 24 shown in FIG. 4, six gaps 24 are formed.

By having these configurations, dust generated at the time of mounting the opening device can be discharged to the outside of the opening device mounting device and the filling machine through the inside of the anvil. That is, by providing a dust discharge mechanism around the sealing disk, which is the position closest to the dust generation point, the dust is sucked in almost at the same time as the dust is generated, and the sucked dust is stored in the vacuum tank. It is possible to prevent dust from adhering to the material.

An inverted V-shaped indicator formed by processing stainless steel (UNS: S30400), first and second air passages formed in the support portion, and a donut shape provided at the tip of the support portion. An anvil equipped with a circular passage (ring-shaped suction port) was prepared. The diameter of the outer portion of the circular passage is 40 mm and the inner portion is 35 mm. That is, it is provided with a ring-shaped suction port in which a donut-shaped circular passage of about 5 mm is formed, and a part of the circular passage is connected to the second air passage.

Next, a substantially circular sealing disc having a diameter of 42 mm provided with a cap suction port in the central portion was prepared, and the sealing disc was attached to the anvil so that the peripheral portion of the sealing disc covered a part of the circular passage of the anvil. Further, as shown in FIG. 4, a part on the circumference of the sealing disc was cut, and a gap 27 of 2 mm was provided between the back surface of the sealing disc and the circular passage of the anvil. Further, by having the chamfer surface 41 from the back surface to the side surface of the sealing disc, it becomes easier to suck dust as compared with the sealing disc having no chamfer surface.

When the cap was attached on the Tetra Pak filling machine TR / 28 using the opening device attachment device having the above anvil and sealing disc, dust generation could be prevented as shown in FIG.

The present invention is not limited to the above embodiment. The present invention can be made various improvements and design changes without departing from the gist of the present invention based on the knowledge of those skilled in the art, and even if there are various improvements and design changes, the present invention is included in the present invention.

Further, the present invention is not limited to the above embodiment, and can be applied to an opening device attaching device for attaching an opening device to a packaging container made of any form of packaging material.

For concepts other than the above-mentioned characteristic parts of the present invention, the contents disclosed in Patent Documents 1 to 4 of the applicant and the affiliated company of the applicant are incorporated.

1 ... Opening device mounting device 2 ... Opening device 3 ... Conveying unit 4 ... Anvil unit 5 ... Sonot load unit 6 ... Packaging material 7 ... Supply unit 11 ... Anvil 12 ... Sealing disk 13 ... Sonot load 14 ... Hose 15 ... Vacuum pump 21 , 22 ... Indicator 23 ... Ring-shaped suction port 24 ... Sealing disk 25 ... Opening device suction port 26 ... Dust discharge port 27 ... Gap 31 ... First air passage 32 ... Second air passage 33 ... Sealing disk connection port 33
34 ... Air intake

Claims (4)

Anvil unit with anvil, sealing disc and vacuum holding device,
A sonot load unit equipped with a sonot load and an ultrasonic vibrating device,
A supply unit that supplies packaging material between the anvil unit and the sonot load unit,
A transport unit that transports the opening device to the anvil unit, and
It is provided with a vacuum pump which is connected to the anvil and sucks dust generated when the opening device is attached to the packaging material by ultrasonic vibration generated from the sonot load unit.
The anvil
The first air passage for holding the opening device provided inside the anvil, and
A second air passage for discharging dust provided inside the anvil, and
A sealing disk connection port provided at one end of the first air passage and
An air intake port provided at the other end of the first air passage and
A ring-shaped suction port provided at one end of the second air passage and provided around the sealing discharge connection port, and a ring-shaped suction port.
A dust discharge port provided at the other end of the second air passage is provided.
The vacuum pressure holding device is connected to the air intake port, and the vacuum pump is connected to the dust discharge port.
The sealing disc includes an opening device suction port connected to the sealing disc connection port, the sealing disc covers a part of the ring-shaped suction port, and a gap is provided between the periphery of the sealing disc and the ring-shaped suction port. And suck the dust through the gap,
An opening device mounting device characterized by this. The sealing disc has a chamfer surface from the back surface to the side surface, and the chamfer surface covers a part of the ring-shaped suction port to form the gap between the periphery of the sealing disk and the ring-shaped suction port. The opening device mounting device according to claim 1. The opening device mounting device according to claim 1 or 2, wherein the anvil contains stainless steel. A filling machine provided with the opening device mounting device according to any one of claims 1 to 3.

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