KR102371837B1 - Apparatus for manufacturing mask - Google Patents

Abstract

The present invention provides an apparatus for manufacturing a mask. An apparatus for manufacturing a mask having a mask main body according to the present invention comprises: a roller including at least one groove which is formed in at least a part of an outer circumferential surface thereof, and a display piece which can be attached to and detached from the groove; and an ultrasonic vibration applying device that allows a pattern to be engraved on a mask main body by applying ultrasonic vibration to the display piece of the roller.

Description

Mask manufacturing apparatus {APPARATUS FOR MANUFACTURING MASK}

The present invention relates to a mask manufacturing apparatus, and more particularly, to a mask manufacturing apparatus for engraving various types of patterns on a mask body that blocks the front of the wearer's respiratory tract.

A mask is an object that covers the respiratory system to prevent inhalation or scattering of germs or dust through the respiratory tract of the mouth and nose for health and hygiene reasons. It is used to prevent inhalation, or worn as a substitute for a kind of cold protection when caught in a cold in winter when the temperature is low, and is also used to protect the wearer from yellow dust generated in spring.

In particular, it is recommended to wear a mask to prevent infections such as seasonal flu, avian flu, swine flu, MERS, SARS, and Corona, which are acute respiratory diseases that have become a social problem in recent years.

The mask can be manufactured in various forms depending on the purpose or purpose of use. In general, a mask 1 using a fiber filter, as shown in FIG. 1, includes a mask body 10 covering the wearer's nose or mouth and , may include a pair of earring bands 11 and 12 coupled to both ends of the mask body 10 to support the mask body 10 .

An apparatus for manufacturing a mask body is disclosed in Korean Patent Registration No. 10-0783311 and the like.

According to the recent trend of mask performance and various brand marks being engraved with characters or figures on the existing flat mask body 10 on the mask (1), various types of patterns are added to the mask body (10) when manufacturing the mask. We would like to present a technology for a mask manufacturing apparatus that can be engraved.

An object of the present invention is to provide a mask manufacturing apparatus capable of engraving various types of patterns, such as characters or figures, on a mask body when manufacturing a mask.

In order to solve the above problems, the present invention provides a mask manufacturing apparatus for manufacturing a mask having a mask body, a roller including at least one groove formed in at least a portion of an outer circumferential surface, and a display piece detachable to the groove, and the It provides a mask manufacturing apparatus comprising an ultrasonic vibration applying device for imprinting a pattern on the mask body by applying ultrasonic vibration to the display piece of the roller.

According to an embodiment, the display piece includes at least one pattern protrusion protruding to correspond to a pattern to be engraved on the mask body, and the pattern protrusion facing the ultrasonic vibration applying device is generated by ultrasonic vibration. A pattern corresponding to the mask body may be engraved.

In the mask manufacturing apparatus according to an embodiment of the present invention, various types of patterns including characters or figures can be engraved on a mask body when manufacturing a mask, and if necessary, a display piece in which a pattern to be engraved is protruded can be easily replaced.

In addition, the mask manufacturing apparatus according to an embodiment of the present invention is provided with a holding means for the roller to hold the earring band, and by rotating the roller, the earring band, which is one of the objects to be fused, is fused using an ultrasonic vibration applying device. Since it can be done, there is an effect that can remove the noise generated by the use of the conventional air cylinder.

In addition, since the mask manufacturing apparatus according to an embodiment of the present invention can simplify the process of attaching the earring band to the mask body, the time required for attaching the earring band to the mask body is small, thereby improving the mask manufacturing speed there is an effect

1 is a view showing the appearance of a mask according to an embodiment of the present invention.
2 is a view showing the overall appearance of the mask manufacturing apparatus according to an embodiment of the present invention.
3 is a view showing an ultrasonic device according to an embodiment of the present invention.
4 is a view showing a roller of an ultrasonic device and an ultrasonic vibration applying device according to an embodiment of the present invention.
FIG. 5 is a view showing a side view of the roller and the ultrasonic vibration applying device of FIG. 4 .
6 is a view showing the appearance of a roller according to an embodiment of the present invention.
7 is a view showing a holding means of a roller according to an embodiment of the present invention.
8 is a view showing a state in which an earring band is attached to the holding means according to an embodiment of the present invention.
9 is a view showing a side view of a superwave welding apparatus according to another embodiment of the present invention.
10 is a view showing a state in which arbitrary patterns are engraved on the mask body according to another embodiment of the present invention.
11 is a view showing the appearance of a roller according to another embodiment of the present invention.

Hereinafter, the embodiments disclosed in the present specification will be described in detail with reference to the accompanying drawings, but the same or similar components are assigned the same reference numbers regardless of reference numerals, and redundant description thereof will be omitted. The suffixes "module" and "part" for the components used in the following description are given or mixed in consideration of only the ease of writing the specification, and do not have distinct meanings or roles by themselves. In addition, in describing the embodiments disclosed in the present specification, if it is determined that detailed descriptions of related known technologies may obscure the gist of the embodiments disclosed in the present specification, the detailed description thereof will be omitted. In addition, the accompanying drawings are only for easy understanding of the embodiments disclosed in this specification, and the technical idea disclosed herein is not limited by the accompanying drawings, and all changes included in the spirit and scope of the present invention , should be understood to include equivalents or substitutes.

When a component is referred to as being “connected” or “connected” to another component, it may be directly connected or connected to the other component, but it is understood that other components may exist in between. it should be On the other hand, when it is mentioned that a certain element is "directly connected" or "directly connected" to another element, it should be understood that no other element is present in the middle.

The singular expression includes the plural expression unless the context clearly dictates otherwise.

In the present specification, terms such as "comprises" or "have" are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, but one or more other features It is to be understood that this does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

2 is a view showing the overall appearance of the mask manufacturing apparatus according to an embodiment of the present invention.

As shown in FIG. 2 , the mask manufacturing apparatus 100 according to an embodiment of the present invention includes a fabric supply device 110 for supplying at least one pre-prepared fabric sheet, and the fabric supply device 110 . A laminating device 120 for laminating the at least one original paper supplied by the laminating device 110, and a mask cutting device for cutting in the form of a mask body 10 from a sheet of filter paper molded by the laminating device 110 ( 140) and an ultrasonic device 130 for engraving various patterns or fusing earring bands 11 and 12 to either edge of the mask body 10 by using ultrasonic vibrations on the mask body 10. can

However, since the components shown in FIG. 2 are not essential, it goes without saying that a mask manufacturing apparatus having more or fewer components may be implemented.

Hereinafter, each component will be described.

The fabric supply device 110 may provide and supply at least one mask fabric fabric prepared in advance, preferably by winding.

At this time, the mask fabric may be a non-woven fabric or may be several sheets, and preferably, spond bond (polypropylene) is melted/extruded and spun into a thick and tough filament, and then heat-sealed to maximize strength and surface stability. One long fiber nonwoven fabric), melt brown (short fiber nonwoven fabric formed by cutting molten/extruded polypropylene into thin and soft microfibers and then heat-sealing), and thermal bond (low It may be a short-fiber nonwoven fabric manufactured by mixing plastic synthetic fibers of melting point and complexing or melting them with heat, pressure, solvent, etc.).

The laminating device 120 laminates at least one original paper supplied by the fabric supplying device 110 while the roller is rotated by a driving means such as a driving motor (not shown) to form a single sheet of fabric (in this specification, a 'filter' It will be collectively referred to as 'G').

At this time, the laminating device 120 may form a pattern when laminating several sheets of mask original paper. To this end, the pattern to be formed on the filter paper is embossed or engraved on the pattern forming roller (not shown), and ultrasonic waves are applied to the filter paper through the pattern forming roller, thereby heating the filter paper and laminating various fabrics.

On the other hand, the mask cutting device 140 can cut (cut) in the form of the mask body 10 from a sheet of filter paper molded by the laminating device (120).

The mask cutting device 140 may continuously receive a sheet of filter paper having a pattern formed thereon, cut it in the shape of the mask body 10 , and finally manufacture the mask body 10 .

Between the mask cutting device 140 and the laminating device 120 , various patterns are engraved on the mask body 10 before cutting, which is provided on the filter paper, and various patterns are engraved or any one side of the mask body 10 . An ultrasonic device 130 for fusing the earring bands 11 and 12 to the edge may be included.

3 is a view showing an ultrasonic device according to an embodiment of the present invention, FIG. 4 is a view showing a roller and an ultrasonic vibration applying device of the ultrasonic device according to an embodiment of the present invention, and FIG. 5 is the roller of FIG. and a view showing a side view of the ultrasonic vibration applying device, FIG. 6 is a view showing the appearance of a roller according to an embodiment of the present invention, and FIG. 7 is a holding means of the roller according to an embodiment of the present invention the drawing shown.

3 to 7, according to one embodiment, the ultrasonic device 130 is disposed on the outer peripheral surface holding means for holding the earring bands 11 and 12 (1333a, 1333b, 1334a, 1334b) having a roller 1330 and the holding means (1333a, 1333b, 1334a, 1334b) of the earring band (11, 12) held on at least one side of the edge of the mask body 10, ultrasonic wave (or ultrasonic vibration) to fuse ultrasonic waves A vibration applying device 1320 may be included.

As shown in the drawing, the roller 1330 may be installed by hanging on the roller hanger 1340 . The roller 1330 has a substantially cylindrical shape, and may have at least one holding means 1333a, 1333b, 1334a, 1334b for holding the earring bands 11 and 12 on the outer peripheral surface of the roller 1330.

The roller 1330 may rotate through a power transmission device including a combination of at least one gear in which power generated by a driving means (not shown) such as a motor, and the holding means 1333a, 1333b of the roller 1330, The earring bands 11 and 12 held by 1334a, 1334b) are supplied to be seated between the roller 1330 and the horn 1321, specifically, on the filter paper laminated by the laminating device 120 and transferred. can

At this time, the earring bands 11 and 12 provided to the holding means 1333a, 1333b, 1334a, 1334b on the roller 1330 have a predetermined length in advance before being supplied to the holding means 1333a, 1333b, 1334a, 1334b. Alternatively, the earring band in the form of a thread that is not otherwise cut may be held by the holding means 1333a, 1333b, 1334a, 1334b and then cut by a cutting device (not shown).

The robot picker (not shown) picks up the earring bands 11 and 12 that have been cut or not in advance and supplies them to the holding means 1333a, 1333b, 1334a, 1334b of the roller 1330 to provide the earring bands 11 and 12. may be held by the holding means. The earring bands 11 and 12 held by the holding means 1333a, 1333b, 1334a, 1334b may be provided on the mask body 10 by rotation of the roller 1330, and the ultrasonic vibration applying device 1320 is Both ends of the earring bands 11 and 12 may be attached to the mask body 10 by ultrasonic waves (or ultrasonic vibrations).

Here, the robot picker may be a device for moving the earring bands 11 and 12 with clamps or a holding means by hanging them with a hanger, and the present invention is not particularly limited thereto.

On the other hand, the holding means (1333a, 1333b, 1334a, 1334b) is for holding the earring bands 11 and 12 in the form of a thread having a length on the outer surface of the roller 1330, and holding the earring bands 11 and 12. If possible, the method or means are not particularly limited, but the holding means 1333a, 1333b, 1334a, 1334b according to an embodiment of the present invention are, as shown in FIGS. It may include at least one pin (1333a1) capable of stably fixing the earring bands (11, 12), and otherwise, the outer surfaces of the earring bands (11, 12) can be fixed by hooking them with fine hooks. It may include a velcro (velcro) 1334a1.

In addition, in order to hold the earring bands 11 and 12 on the outer surface of the roller 1330, the surface may be roughly corroded so that the outer surface of the earring bands 11 and 12 can be attached to the corrosive surface (not shown). .

In addition, in order to hold the earring bands 11 and 12 on the outer surface of the roller 1330, there may be tongs (not shown) capable of holding the earring bands 11 and 12 and fixing them. At this time, the tongs may be retracted or spread according to the rotation of the roller 1330 to pinch or place the earring bands 11 and 12 as needed, but the present invention is not limited thereto.

Of course, the pin (1333a1), the Velcro (1334a1), the corrosion surface, and any one selected from the tongs, or a combination thereof may be used.

As shown in Figures 6 to 8, the holding means, in addition to the pin (1333a1), the Velcro (1334a1), the corroded surface or tongs to which the earring bands 11 and 12 are directly attached or fixed, there is a horn ( It may include at least one first fusion protrusion 1333a2 and 1334a2 protruding at a position facing the 1321 .

The first fusion protrusions 1333a2 and 1334a2 correspond to the ultrasonic fusion site between the mask body 10 and the earring bands 11 and 12, and include at least one protrusion protruding from the outer circumferential surface of the roller 1330, By allowing the stress to be concentrated in the face of the ultrasonic waves (or ultrasonic vibrations) generated by the horn 1321 , the fused objects interposed between the first fusion protrusions 1333a2 and 1334a2 and the horn 1321 are fused to each other.

At this time, as described above, the first fusion protrusions 1333a2 and 1334a2 have pins 1333a1 or Velcro ( 1334a1) is preferably located on the periphery.

On the other hand, it is preferable that the holding means 1333a, 1333b, 1334a, 1334b are provided in pairs at each of both ends of the roller 1330 approximately as wide as the mask body 10 .

That is, a pair of holding means (1333a, 1334a) for attaching or fixing both ends of one earring band (11, 12) is provided at one end of the roller 1330, and another pair of holding means (1333b, 1334b) may be provided at the other end of the roller 1330 to attach or fix both ends of the other earring bands 11 and 12.

At this time, one end of the roller 1330, a pair of holding means provided on each, are positioned according to the ultrasonic welding site on the mask body 10, and may be arranged in parallel along one circumferential direction of the roller 1330. , as shown in FIGS. 6 and 7 , may not be disposed on one circumferential direction.

In this way, as a pair of holding means (1333a, 1333b, 1334a, 1334b) is provided at each of both ends of the roller 1330, the two earring bands 11 and 12 can be attached to both sides of the roller 1330 at the same time. Since both earring bands 11 and 12 are attached to the mask body 10 only by one rotation of the roller 1330, the earring bands 11 and 12 are attached to the mask body 10 in one process. can be fused.

According to another embodiment of the present invention, the roller 1330 may include a plurality of second fusion protrusions 1331 and 1332 protruding in the circumferential direction as shown in FIG. 4 .

The second fusion protrusions 1331 and 1332 are formed to protrude on the outer peripheral surface of the roller 1330 like the first fusion protrusions 1333a2 and 1334a2 , and face the ultrasonic waves (or ultrasonic vibrations) generated by the horn 1321 . By allowing the stress to be concentrated, it is possible to laminate the plurality of base papers to the ultrasonic welding site by the second welding projections 1331 and 1332 .

Specifically, as shown in FIG. 4, the second fusion protrusions 1331 and 1332 are formed protruding along the circumferential direction at both ends of the roller 1330 (parts corresponding to both edges of the mask body 10). , Since it is possible to fusion-bond the earring bands 11 and 12 to the mask body 10 by rotation of the roller 1330, and at the same time laminate a plurality of original papers, a plurality of fusion splicing processes for laminating a plurality of original papers One of the steps may be omitted.

On the other hand, the ultrasonic vibration applying device 1320, by using a high-frequency ultrasonic wave of 10 kHz or more, by applying ultrasonic vibration in the longitudinal direction or the transverse direction, it is possible to bond the thermoplastic material. To this end, the ultrasonic vibration applying device 1320 may include an ultrasonic generator, an ultrasonic transducer, a booster, and a horn 1321, and the ultrasonic oscillator converts a high-frequency current into ultrasonic waves. It is supplied to the vibrator, and the ultrasonic vibrator may convert electrical energy into mechanical energy using a typical piezo material. A BLT (Bolt clamped Langevin-type Transducer) can be used for the vibrator by laminating multiple disks and applying pressure with bolts. The amplitude of the ultrasonic wave generated at the output end of the BLT must be increased in order to fuse the thermoplastic material, and for this, a booster and a horn can be sequentially attached to the output surface of the BLT. Here, the booster is located between the BLT and the horn, and can amplify the amplitude of the BLT.

Unexplained reference numerals 1323a and 1323b are cooling fans, which are means for cooling the heat generated in the ultrasonic vibration applying device 1320 by the rotation of the fan. can prevent

The horn 1321 according to an embodiment of the present invention is arranged opposite the roller 1330 in parallel with the longitudinal direction of the roller 1330, and the earring band 11 is attached to the mask body 10 using the horn 1321. , 12) can be fixed without being transported, and the complexity of the mask manufacturing apparatus 100 is improved and maintenance of the ultrasonic vibration applying device 1320 such as replacement of the horn 1321 is facilitated. To do this, the horn 1321 is preferably located below the roller 1330 .

Meanwhile, FIG. 9 is a view showing a side view of an ultrasonic vibration applying device according to another embodiment of the present invention.

The ultrasonic vibration applying device 1320 may include a roller 210 and a horn 220, and the fusion object interposed between the roller 210 and the horn 220, that is, the first and second fusion objects, is They may be fused to each other by ultrasonic vibration through the horn 220 . For example, the first and second fusion objects may be the mask body 10 and the earring bands 11 and 12 .

At this time, the output surface (or the bonding surface 221 ) of the horn 220 may be curved to correspond to the shape of the outer peripheral surface of the roller 210 opposite, and at this time, the length of the bonding surface 221 , that is, the bonding When the surface 221 and the outer peripheral surface of the roller 210 face each other in short lengths, there is a problem in that the bonding force between at least two objects to be fused by ultrasonic vibration may be reduced (refer to FIG. 9(a) ).

Therefore, according to an embodiment of the present invention, the bonding surface 221 of the horn 220 has an asymmetrical longitudinal cross-section viewed from the side of the roller 210 , and at least one end is upward along the outer circumferential surface of the roller 210 . It is extended, so that when the fusion object drawn in from one side is drawn out to the other side, it is drawn out through a draw-out part having a height different from the draw-in height. It is preferable to increase the length at which the fusion object moves between the livers to improve the bonding force by ultrasonic vibration (see Fig. 9(b)).

On the other hand, the mask manufacturing apparatus 100 according to another embodiment of the present invention can imprint various types of patterns 13a and 13b made of characters or figures on the mask body 10 (refer to FIG. 10 ).

To this end, the mask manufacturing apparatus 100 according to another embodiment of the present invention, specifically, as shown in FIG. 11, at least one groove (1335a, 1335b) formed in at least a portion of the outer peripheral surface of the roller (1330) ) and display pieces 1336a and 1336b detachable from the recesses 1335a and 1335b.

The shape of the grooves 1335a and 1335b is not particularly limited as long as they are recessed in the outer peripheral surface of the roller 1330, but the display pieces 1336a and 1336b are seated and coupled to the grooves 1335a and 1335b.

Preferably, the display pieces 1336a and 1336b may be detachably coupled to the recesses 1335a and 1335b. This is because the patterns 13a and 13b to be engraved on the mask body 10 can be diversified by replacing them as needed.

The coupling between the grooves 1335a and 1335b and the display pieces 1336a and 1336b is, for example, coupled by fastening means such as bolts, or coupling grooves on opposite surfaces between the grooves 1335a and 1335b and the display pieces 1336a and 1336b. It may be coupled by a coupling method such as a coupling protrusion is formed and coupled to each other, but the present invention does not specifically limit the coupling method.

Of course, there may also be one or more coupling points when the grooves 1335a and 1335b and the display pieces 1336a and 1336b are coupled. However, this is also not particularly limited in the present invention.

The display pieces 1336a and 1336b are coupled to the grooves 1335a and 1335b formed in at least a portion of the outer peripheral surface of the roller 1330, and one exposed surface of the display pieces 1336a and 1336b is engraved on the mask body 10 and It may include at least one pattern protrusion (1337a, 1337b) formed to protrude to correspond to the pattern (13a, 13b) to be desired.

Accordingly, when the roller 1330 rotates based on the rotation axis formed in the longitudinal direction, the pattern protrusions 1337a and 1337b may face the bonding surface of the ultrasonic vibration applying device 1320 , specifically the horn 1321 .

When the pattern projections 1337a, 1337b face the bonding surface of the horn 1321, the mask body 10 interposed between the bonding surface of the pattern projections 1337a, 1337b and the horn 1321 by ultrasonic vibration has the above Pattern projections (1337a, 1337b) and corresponding patterns (13a, 13b) can be engraved.

Here, the pattern protrusions 1337a and 1337b, as shown in the drawings, are not particularly limited in their protrusion shape, and have, for example, any one character or figure, or a plurality of dots in the form of characters or figures. It may have a form that forms a group such as a figure.

In addition, the protrusion height of the pattern protrusions 1337a and 1337b is not particularly limited, but may be the same as or less than the first or second fusion protrusions 1333a2 , 1334a2 , 1331 , 1332 as an example. This is because when the patterns 13a and 13b are engraved on the mask body 10 by using the pattern projections 1337a and 1337b, the mask body 10 must not be perforated.

As above, preferred embodiments of the present invention have been described in detail with reference to the drawings. The description of the present invention is for illustrative purposes, and those skilled in the art to which the present invention pertains will understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention.

Accordingly, the scope of the present invention is indicated by the claims described later rather than the detailed description, and all changes or modifications derived from the meaning, scope, and equivalent concept of the claims are included in the scope of the present invention. should be interpreted

1: Mask 10: Mask body
11, 12: earring band 13a, 13b: pattern
100: mask manufacturing device 110: fabric supply device
120: laminating device 130: ultrasonic device
140: mask cutting device 1310: pedestal
1320: ultrasonic vibration applying device 1321: horn
1322: ultrasonic generator 1323a, 1323b: cooling fan
1330: roller 1331, 1332: second fusion protrusion
1333a, 1333b, 1334a, 1334b: holding means
1333a1: Pin 1334a1: Velcro
1333a2, 1334a2: first fusion protrusion 1335a, 1335b: groove
1336a, 1336b: display piece parts 1337a, 1337b: pattern projection
1340: roller hanger 1350: power transmission device
210: roller 220: horn
221: joint surface

Claims (2)

In the mask manufacturing apparatus for manufacturing a mask having a mask body,
At least one recess formed concavely on at least a portion of the outer circumferential surface, a display piece detachably attached to the recess, at least one holding means disposed on the outer circumferential surface for holding at least one earring band, and positioned around the holding means a roller including at least one fusion protrusion having at least one protrusion protruding so that stress is concentrated in the face of ultrasonic waves generated by the ultrasonic vibration applying device; and
A pattern is engraved on the mask body by applying ultrasonic vibration to the display part of the roller, and the earring band held by the holding means is fused to at least one edge of the mask body by ultrasonic vibration applied to the fusion protrusion. Ultrasonic vibration applying device to make it possible;
including,
The display piece portion is coupled to face the groove, the mask manufacturing apparatus, characterized in that coupled using a bolt. The method of claim 1,
The display piece includes at least one pattern protrusion formed to protrude to correspond to the pattern to be engraved on the mask body,
The pattern protrusion facing the ultrasonic vibration applying device is characterized in that the pattern corresponding to the mask body is engraved by ultrasonic vibration.

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