KR20220005672A - Facial mask manufacturing system - Google Patents

Abstract

The present invention relates to a system for manufacturing a facial mask comprising: a mask fabric supplying unit; a mask body fusing, cutting, and inspecting unit; and an ear band fusing and inspecting unit. The mask fabric supplying unit unwinds a non-woven fabric or a filter fabric wound in a roll form and continuously supplies the same. The mask body fusing, cutting, and inspecting unit integrally bonds a plurality of non-woven fabrics and filter fabrics supplied from the mask fabric supplying unit in a state of overlapping the fabrics to each other by pressing and ultrasonic fusing; forms a mask body by cutting a mask fabric bonded by the ultrasonic fusing into a certain size by a cutting roll; increases or shortens a transfer path of the mask fabric by elevating an idle roller touched to the mask fabric when the fabric is slower or faster than a specified speed by always monitoring a cutting line of the mask body by a vision unit; and corrects a transfer speed of the mask fabric through a transfer speed adjusting unit for adjusting the transfer speed of the mask fabric. The ear band fusing and inspecting unit simultaneously fixes both ends of an ear band cut to a predetermined length to two points of each side of the mask body through the mask body fusing, cutting, and inspecting unit by the pressing and ultrasonic fusing; continuously performs fusing position inspection of the ear band through the vision unit and tensile inspection of the ear band through an ear band tensile inspection unit; and allows a defective product discharging unit to immediately discharge a corresponding defective mask to one side of a mask transfer line when either of a fusing state inspection and a tensile inspection is determined as a defective state. The present invention increases process efficiency.

Description

face mask manufacturing system {Facial mask manufacturing system}

The present invention relates to a face mask manufacturing system, and more particularly, a face mask manufactured by cutting and fusing multiple layers of nonwoven fabric to form a mask body, and then immediately ultrasonically fusing both ends of an ear band cut to the mask body. In the manufacturing system, from the supply of the mask fabric to the ultrasonic welding of the ear band, it constantly monitors and inspects the transfer error and the welding defect that occur continuously for each process, and improves it so that it can be automatically corrected during each process, thereby consuming unnecessary materials It relates to a face mask manufacturing system that not only prevents the mask manufacturing process, but also increases the mask manufacturing process efficiency and significantly reduces the defect rate of the mask manufacturing process.

Generally speaking, a face mask is a household item worn around the nose and mouth to prevent harmful substances such as yellow dust or fine dust from entering the human respiratory system. It is composed of a front filter for filtering out and an ear band that allows the front filter to be hung over the ear and worn.

Recently, due to not only air pollution such as yellow dust and fine dust, but also the spread of infectious diseases such as corona virus around the world, the use of face masks for health has been greatly increased to the extent that they have become necessities of life.

This health face mask is a mask that blocks the penetration of viruses by filtering out human droplets (saliva), the main transmission medium of viruses that cause infectious diseases, from leaking from the respiratory tract or from entering the respiratory tract of others. A health face mask made of a non-woven fabric, which is laminated in layers and then fused by heat or ultrasonic waves, is widely used.

Such a health face mask is usually composed of a mask body and elastic ear bands fixed to both sides of the mask body. Products that can be easily bent to fit the shape of one's nose are basically spread.

In addition, the mask body is composed of an outer shell and an inner shell bonded by cutting a nonwoven fabric made of a thermoplastic resin material such as polyethylene or nylon, and a nano filter member may be further disposed between the outer shell and the inner shell to increase filtration performance of fine substances.

Conventionally, each part of the cut nonwoven fabric to manufacture the above-mentioned health face mask has been manufactured in a way that most of the workers manually fused with heat or ultrasonic waves and joined. Due to the rapid increase in demand of

One example of such a mask manufacturing apparatus is disclosed in Korean Patent Application Laid-Open No. 2018-0117338 (hereinafter referred to as 'prior literature'). A conventional mask manufacturing apparatus will be described in more detail with reference to the accompanying FIGS. 1 to 3 .

1, in the conventional mask manufacturing apparatus disclosed in the prior literature, a length adjustment part 30 is further formed on one side of the earring part 20 in addition to the general earring part 20 in the mask body 10, and the earring It is characterized by providing a unique mask forming unit 300 and a detailed process accordingly in order to simultaneously form the portion 20 and the length adjustment portion 30 .

Referring to FIG. 2 , for this purpose, the mask manufacturing apparatus 1000 disclosed in the prior document includes a nonwoven fabric supply unit 100 , a body forming unit 200 , a mask forming unit 300 , a post-processing unit 400 , and a packaging unit. (500). The units may be connected to each other.

In detail, the units are connected in an inline process, and the nonwoven fabric supply unit 100 and the body forming unit 200 are the same as those commonly applied to the mask manufacturing process, and have multiple layers of nonwoven fabric wound in a roll shape. It is manufactured according to a method of cutting the filter and the filter by overlapping each other while unwinding, and then joining them by ultrasonic welding.

More specifically, the mask forming unit 300 includes all of the input unit 310 , the folding region forming unit 330 , the earring unit forming unit 350 , and the ring forming unit 370 , and the mask forming unit 300 is an essential component for simultaneously forming the ear-ring part 20 and the length adjustment part 30, and a separate support 311 is absolutely necessary, and the mask body ( 10) while transferring, the earring part 20 and the length adjusting part 30 are formed on the mask body 10 .

To this end, the support 311 includes a through hole 315 passing through the upper and lower surfaces of the support 311 in order to simultaneously form the earring part 20 and the length adjusting part 30 in the mask body 10 and the It is formed on the upper surface of the support 311 and essentially includes a plurality of fixing members 314 spaced apart from the mask body 10 .

Subsequently, the mask 1 on which the length adjustment part 30 is formed through the mask forming unit 300 is the outer shape of the finally manufactured mask 1, the attachment position of the ear-ring part 20, the length adjustment part ( 30) The inspection of the mask 1 and product packaging are completed through the post-processing unit 400 and the packaging unit 500 for inspecting the formation.

However, the above-described conventional mask manufacturing apparatus has a device configuration specific to mask manufacturing of a configuration having a length adjustment part 30 in addition to the earring part 20, and for this purpose, a through hole 315 and a plurality of fixing members 314 ) must use a support 311 including, and the mask forming unit 300 using the support 311 also includes an input unit 310 , a folding region forming unit 330 , an earring unit forming unit 350 and a ring Since the device configuration of the forming unit 370 is absolutely necessary, there is a problem in that the possibility of occurrence of defects in the process is further increased with an increase in process tact time as well as a complicated device configuration.

In addition, after the final inspection of the finished product mask 1, which has been manufactured through the nonwoven fabric supply unit 100, the body forming unit 200, and the mask forming unit 300, in the post-processing unit 400, finally the packaging unit ( 500), when the finished mask product 1 is determined to be defective in the post-processing unit 400, it is discarded. Since a lot of tact time loss occurs, there is a problem in that the process efficiency is lowered and the production cost is increased.

Korean Patent Publication No. 2018-0117338 (published on October 29, 2018)

Accordingly, the present invention was invented to solve the above problems, and a face manufactured by cutting and fusing multiple layers of nonwoven fabric to form a mask body, and then immediately ultrasonically fusing both ends of the cut ear band to the mask body. In the mask manufacturing system, from the supply of the mask fabric to the ultrasonic welding of the ear band, it constantly monitors and inspects the conveying error and welding defects that occur continuously for each process, and improves it so that it can be automatically corrected during each process. An object of the present invention is to provide a face mask manufacturing system that not only prevents consumption, but also increases the process efficiency of mask manufacturing and significantly reduces the defect rate of the mask manufacturing process.

The present invention for achieving the above object, the mask fabric supply unit for continuously supplying while unwinding the non-woven fabric or filter fabric wound in the form of a roll; A plurality of nonwoven fabrics and filter fabrics supplied from the mask fabric supply unit are pressed and ultrasonically fused in an overlapping state to be joined together, and the mask fabric joined by the ultrasonic fusion is cut to a predetermined size by a cutting roll to form the mask body. The cutting line of the mask body is constantly monitored by the vision unit to extend the transport path of the mask fabric by elevating or lowering the idle roller in contact with the mask fabric when the fabric is transported slower or faster than the prescribed speed a mask body fusion, cutting and inspection unit for correcting the feed speed of the mask fabric through a feed speed adjusting unit that adjusts the feed speed of the mask fabric by shortening it; and pressurized and ultrasonically welded both ends of the ear band cut to a predetermined length at two points on both sides of the mask body that passed through the mask body fusion, cutting and inspection unit to simultaneously fix, and then inspect the fusion position of the ear band through a vision unit The tensile test of the ear band through the wire band tensile test unit is continuously performed, and when either one of the fusion state test and the tensile test is judged to be defective, the defective product discharging unit immediately transfers the defective mask to one side of the mask transfer line. It is configured to include; the discharging ear band fusion and inspection unit.

In addition, according to one embodiment, the feed rate adjusting unit, a box-shaped bracket having a hollow inside so that the mask fabric can pass through; A pair of fixed idle rollers installed in the hollow inside of the bracket at a predetermined distance along the transport direction of the mask fabric and contacting the upper end of the mask fabric; a motor mounted on the top of the bracket; And while being provided between the fixed idle rollers, the mask fabric is in contact with the lower end and is raised and lowered by the driving of the motor to press or release the mask fabric between the fixed idle rollers to adjust the feed rate of the mask fabric It consists of a lifting idle roller;

In addition, according to an embodiment, the ear band tension test unit includes a pair of cylinders disposed to face each other with a mask transfer line interposed therebetween on the left and right sides of the mask transfer line, and a hook member of a certain height coupled to the shaft end of the cylinder. and a sensor provided through the upper end of the hook member, and while the mask to which the ear band is fused is transferred, the ear band is automatically fitted to the upper end of the hook member, respectively, and the transfer of the mask is stopped, Then, by driving the cylinder, the two hook members spread apart from each other with the mask transfer line interposed therebetween to pull the ear band caught on the top of the hook member to both sides. As the ear band is not recognized by the sensor provided at the top, it is determined as defective.

In addition, according to an embodiment, the defective product discharging unit may include: a vacuum pad provided above the mask transfer line and movable to one side while adsorbing the mask; a horizontal transfer member for moving the vacuum pad; and a defective product discharging conveyor provided on one side of the vacuum pad to discharge the defective mask transferred from the vacuum pad to one side of the mask transfer line.

In addition, according to an embodiment, ultrasonic horns are respectively provided below the point where the ultrasonic welding is performed, and at one side of each ultrasonic horn, cold air is sprayed directly to the ultrasonic horn to maintain the temperature of the ultrasonic horn below a certain temperature. A horn cooling means is further provided.

In addition, according to an embodiment, the ultrasonic horn cooling means includes a chiller equipped with a Peltier element, a cold air blower pipe for transferring air cooled by the chiller, and a blowing fan for directly injecting cold air to the ultrasonic horn.

In addition, according to an embodiment, the chiller and the blowing fan maintain the temperature of the ultrasonic horn at 80 degrees or less.

In the present invention as described above, whenever a transport error and a fusion defect occur for each process of the face mask manufacturing system, conventionally, the operator stops the device and manually adjusts the transport speed or removes defective products. However, the present invention automates the manufacturing system to monitor the manufacturing line for each process at all times and to automatically correct transfer errors or fusion defects, thereby significantly reducing unnecessary material consumption during mask manufacturing as well as improving process efficiency. Along with the increase, there is an effect that the defect rate of the mask manufacturing process is significantly reduced.

1 is a perspective view of a mask manufactured by a conventional mask manufacturing apparatus;
2 is a view schematically showing the configuration of a mask forming unit of a conventional mask manufacturing apparatus;
3 is a perspective view of a support of a conventional mask manufacturing apparatus;
4 is a plan view of the present invention face mask manufacturing system according to an embodiment;
5 is an operation state diagram showing a mask welding, cutting and inspection unit according to an embodiment according to the present invention, (a) a plan view and (b) a front view;
6 is an enlarged perspective view of the feed speed adjusting unit of FIG.
7 is an operation state diagram of the ear band fusion position inspection unit according to the present invention, (a) is a fusion position inspection state, (b) is a normal determination state, (c) is a defect determination state
8 is an operation state diagram of the ear band tensile test unit according to the present invention, (a) is a tensile test start state, (b) is a normal state, (c) is a defective state
9 is an enlarged perspective view of the ear band tensile testing unit of FIG.
10 is an operation state diagram of discharging the mask determined to be defective during the ear band fusion position inspection and tensile inspection according to the present invention to the side of the mask transfer line;
11 is an operation state diagram showing the configuration of an ultrasonic horn cooling means according to an embodiment of the present invention;

The terms used herein are used only to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present specification, terms such as "comprise" or "have" to "have" are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the present specification exist, but one It should be understood that it does not preclude the possibility of the presence or addition of or more other features or numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise herein, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present specification. shouldn't

Hereinafter, with reference to the accompanying drawings, a detailed look at the configuration and operation relationship of the face mask manufacturing system of the present invention is as follows.

4 is a plan view showing the present invention face mask manufacturing system according to an embodiment.

The face mask manufacturing system of the present invention is provided with a mask fabric supply unit 1000 that continuously supplies the mask fabric MF made of a nonwoven fabric or a filter wound in a roll form while unwinding.

In addition, a mask body fusion, cutting and inspection unit 2000 is provided at a downstream end of the mask fabric supply unit 1000 . The mask body fusion, cutting and inspection unit 2000 is integrally bonded by pressing and ultrasonically welding a plurality of nonwoven fabrics and mask fabrics (MF) such as filters supplied from the mask fabric supply unit 1000 in an overlapping state with each other, and the ultrasonic wave The mask fabric MF joined by fusion is cut to a certain size by a cutting roll 2300 (refer to FIG. 5) to form the mask body M, and the cutting line CL of the mask body M is vision By constantly monitoring by the unit 2400 and raising and lowering the idle roller 2250 (refer to FIG. 6 ) in contact with the mask fabric MF when the fabric is transported slower or faster than the prescribed speed, the mask fabric MF The feed speed of the original mask MF is corrected through the feed speed adjusting unit 2200 which adjusts the feed speed of the original mask MF by extending or shortening the transport path.

In addition, an ear band welding and inspection unit 3000 is provided at a downstream end of the mask body welding, cutting and inspection unit 2000 .

The ear band fusion and inspection unit 3000 presses both ends of the ear band YB cut to a predetermined length at two points on each side of the mask body M that has passed through the mask body fusion, cutting and inspection unit 2000 . And after ultrasonic welding and fixing at the same time, performing a fusion position inspection of the ear band (YB) through the ear band fusion position inspection unit (3200), followed by tension of the ear band (YB) through the ear band tensile inspection unit (3300) When the inspection is continuously performed and any one of the above-band fusion position inspection and the tensile inspection is determined to be defective, the defective product discharging unit 3400 immediately discharges the defective mask FM to one side of the mask transfer line.

The normal mask M determined to be in a normal state in the ear band fusion position inspection and the ear band tension inspection is discharged to the good product discharge conveyor 3500 of the mask transfer line, thereby completing the manufacture of the face mask M according to the present invention. .

5 is an operation state diagram showing a mask welding, cutting and inspection unit according to an embodiment of the present invention, (a) a plan view and (b) a front view, and FIG. 6 is an enlarged perspective view of the feed rate adjusting unit of FIG. to be.

The feed rate adjusting unit 2200 includes a box-shaped bracket 2210 having a hollow inside so that the mask fabric MF can pass therethrough, and a mask fabric MF in the hollow of the bracket 2210 . A pair of fixed idle rollers 2260 that are installed at regular intervals along the transport direction of the mask fabric MF and contact the upper end, a motor 2220 mounted on the upper end of the bracket 2210, and the fixed While being provided between the idle rollers 2260 and raising and lowering the mask fabric MF by driving the motor 2220 in a state in which the mask fabric MF is in contact with the lower end, the mask fabric MF between the fixed idle rollers 2260 is pressed downward. Or it is composed of a lifting idle roller 2250 for adjusting the feed speed of the mask fabric (MF) by releasing the press.

More specifically, as the roller bracket 2240 is screwed to the lower end of the shaft 2221 of the motor 2220 and the lifting idle roller 2250 is coupled to the roller bracket 2240, the motor 2220 and As the motor shaft 2221 is driven to rotate, the roller bracket 2240 and the lifting idle roller 2250 are moved in the vertical direction.

In addition, as shown in FIG. 6 , a rod-shaped guide member 2230 for guiding the elevation of the roller bracket 2240 may be further provided between the roller bracket 2240 and the bracket 2210 .

That is, when it is determined that the distance between the cutting lines CL photographed by the vision unit 2400 is narrow, the elevating idle roller 2300 is moved downward, and accordingly, the elevating idle roller 2300 is By pressing the mask fabric MF downward to lengthen the entire movement path of the mask fabric MF, the movement speed of the mask fabric MF is adjusted to be slightly pulled back and slowed down.

On the other hand, when it is determined that the distance between the cutting lines CL photographed by the vision unit 2400 is wide, the elevating idle roller 2300 is moved upward this time, and accordingly, the elevating idle roller 2300 is It is understandable that as the state of pressing the mask fabric MF is released, the entire movement path of the mask fabric MF is shortened, so that the movement speed of the mask fabric MF can be adjusted to be slightly pulled forward and accelerated.

7 is an operation state diagram of the ear band fusion position inspection unit according to the present invention, (a) is a fusion position inspection state, (b) is a normal judgment state, (c) is a bad judgment state.

According to an embodiment, the ear band fusion position inspection unit 3200 may be a camera module. The ear band fusion position inspection unit 3200 determines whether the ear band is normal or defective by constantly monitoring and inspecting the position and fusion state of the ear band band fusion part WP during the ultrasonic welding process of the ear band YB.

Illustratively, FIG. 7B shows a state in which the ear band YB is normally fused to the mask body M (normal state), and FIG. 7C is a state in which the ear band YB is not normally fused to the mask M. (bad state) is shown.

8 is an operation state diagram of the ear band tensile testing unit according to the present invention, (a) is a tensile test start state, (b) is a normal determination state, (c) is a defective determination state, and FIG. 9 is the ear of FIG. It is an enlarged perspective view of the band tension test unit.

The ear band tension test unit 3300 includes a pair of cylinders 3310 disposed to face each other with a mask transfer line interposed therebetween on the left and right sides of the mask transfer line, and coupled to the end of the shaft 3311 of the cylinder 3310. It consists of a hook member 3320 of a certain height, and a sensor 3330 provided through the lower end of the hook 3321 formed on the upper end of the hook member. In this case, as the sensor 3330, one of non-contact sensors such as an optical sensor that detects the presence or absence of an object by irradiating light may be applied.

Accordingly, while the mask M to which the ear band YB is fused is transferred, the ear band YB, which has been hanging downward on the hook 3321 of the hook member 3320, is automatically fitted and caught, At this time, the transfer of the mask is stopped for several seconds.

Then, as the cylinder 3310 of the ear band tension test unit 3300 is driven, the hook members 3320 on both sides spread apart from each other with the mask transfer line interposed therebetween. The caught ear band (YB) is pulled to both sides, and at this time, if the ear band (YB) is cut, the ear band (YB) is not recognized by the sensor 3330 provided through the lower end of the hook (3321). Accordingly, it is judged as defective.

10 is an operation state diagram of discharging the mask determined to be defective during the ear band fusion position inspection and the tensile inspection according to the present invention to the side of the mask transfer line.

The defective product discharging unit 3400 includes a vacuum pad 3410 provided above the mask transfer line and movable to one side while adsorbing the defective mask FM, and for moving the vacuum pad 3410 . A horizontal transfer member 3420 and a defective product discharging conveyor 3430 provided on one side of the vacuum pad 3410 for discharging the defective mask FM transferred from the vacuum pad 3410 to one side of the mask transfer line. can

Therefore, when any one of the above-described ear band fusion position inspection unit 3200 and ear band tension inspection unit 3300 is determined to be defective, the vacuum pad of the defective product discharge unit 3400 is removed through the defective product discharge conveyor 3430 . It is immediately discharged to one side of the mask transfer line and collected.

11 is an operation state diagram showing the configuration of an ultrasonic horn cooling means according to an embodiment of the present invention.

As described above, an ultrasonic horn 2500 is provided below each point where the ultrasonic welding is performed so that the mask fabric MF in contact therewith can be fused when ultrasonic vibration is applied. At this time, each of the ultrasonic waves An ultrasonic horn cooling means 2600 for maintaining the temperature of the ultrasonic horn 2500 below a predetermined temperature by directly spraying cold air to the ultrasonic horn 2500 may be further provided on one side of the horn 2500 .

Looking at the ultrasonic welding process in more detail, when ultrasonic waves are applied to the ultrasonic horn while the mask fabric is pressed from above, the ultrasonic horn starts to be heated while the ultrasonic horn is vibrated by the applied ultrasonic waves. In this state, the ultrasonic horn may instantaneously reach a high temperature of 80 degrees, and the generated heat melts the pressurized distal end of the mask, and finally fusion is performed by the heat generated by the ultrasonic horn.

However, the ultrasonic horn 2500 is a situation that depends entirely on imports from China, etc., but when heated to 80 degrees or more, the ultrasonic horn is damaged or damaged due to high heat. In this case, at the current mask manufacturing site, the process is continued by replacing it with a new ultrasonic horn purchased in advance, or by operating a large fan or indoor air conditioner in the mask manufacturing facility to lower the overall temperature of the room as a temporary measure.

However, in the current coping method, in order to maintain the temperature of the ultrasonic horn 2500 at a temperature level of less than 80 degrees that is safe for damage by using a fan, the cooling of the ultrasonic horn is not performed properly, and scattering dust is generated at the manufacturing site. There is a risk of becoming an indoor air conditioner, and when operating an indoor air conditioner, there is a problem of inefficiency due to huge power consumption.

To this end, in the present invention, cold air is sprayed directly to the ultrasonic horn 2500 so that the ultrasonic horn 2500 is not damaged by high heat of 80 degrees or more to intensively cool the ultrasonic horn to an appropriate temperature (less than 80 degrees) safe from damage. It is another feature to provide an ultrasonic horn cooling means (2600).

The ultrasonic horn cooling means 2600 includes a chiller 2610 equipped with a Peltier element, a cold air blower pipe 2620 for transporting air cooled by the chiller 2610, and an ultrasonic horn ( 2500 includes a blowing fan 2630 for direct injection.

Accordingly, the chiller 2610, the cold air blower pipe 2620, and the blowing fan 2630 directly spray the cold air of about 10 degrees to the ultrasonic horn 2500 to maintain the temperature of the ultrasonic horn constant at 80 degrees or less. do.

In addition, the blowing fan 2630 can be configured to arbitrarily control the direction of the injection hole through which the cold air is discharged.

Meanwhile, in the drawings, reference numeral 2100 denotes a fusion roll, and 3100 denotes an ear band fusion unit.

In addition, the present invention is not limited only by the above-described embodiment, and since it is possible to create the same effect even when changing the detailed configuration, number, and arrangement of the device, those of ordinary skill in the art will present the present invention It is specified that various additions, deletions, and modifications are possible within the scope of the technical idea of

1000: mask fabric supply unit 2000: mask welding, cutting and inspection unit
2100: welding roll 2200: feed speed adjustment unit
2220: motor 2250: elevating idle roller
2260: fixed idle roller 2300: cutting roll
2400: vision unit 3000: ear band fusion and inspection unit
3200: ear band fusion position inspection unit 3300: ear band tensile inspection unit
3400: defective product discharging conveyor 3500: good product discharging conveyor
M : Mask MF : Mask fabric
WL : Welding line CL : Cutting line
WP: Welded part FM: Bad mask

Claims (7)

Mask fabric supply unit for continuously supplying the non-woven fabric or filter fabric wound in a roll form while unwinding;
A plurality of nonwoven fabrics and filter fabrics supplied from the mask fabric supply unit are pressed and ultrasonically fused in an overlapping state to be joined together, and the mask fabric joined by the ultrasonic fusion is cut to a predetermined size by a cutting roll to form the mask body. Forming, by constantly monitoring the cutting line of the mask body by the vision unit to increase the transport path of the mask fabric by elevating or lowering the idle roller in contact with the mask fabric when the fabric is transported slower or faster than the prescribed speed a mask body fusion, cutting and inspection unit for correcting the feed speed of the mask fabric through a feed speed adjusting unit that adjusts the feed speed of the mask fabric by shortening it; and
Both ends of the ear band cut to a certain length at two points on each side of the mask body that have passed through the mask body fusion, cutting and inspection parts are simultaneously fixed by pressing and ultrasonic welding, and then, the ear band through the ear band fusion position inspection unit. If any one of the welding condition inspection and tensile inspection is determined to be defective by continuously performing the fusion position inspection and the tensile inspection of the ear band through the ear band tension inspection unit, the defective product discharging unit immediately removes the defective mask from the mask transfer line. Containing; ear band fusion and inspection unit discharged to one side;
face mask manufacturing system. The method of claim 1,
The feed rate adjustment unit,
a box-shaped bracket having a hollow inside to allow the mask fabric to pass therethrough;
A pair of fixed idle rollers installed at a predetermined distance along the transport direction of the mask fabric in the hollow inside of the bracket and contacting the upper end of the mask fabric;
a motor mounted on the top of the bracket; and
It is provided between the fixed idle rollers and is raised and lowered by the driving of the motor while the mask fabric is in contact with the lower end, while pressing or releasing the mask fabric between the fixed idle rollers to adjust the feed rate of the mask fabric. children roller; including;
face mask manufacturing system. The method of claim 1,
The ear band tensile test unit,
A pair of cylinders facing each other with a mask transfer line interposed therebetween on the left and right sides of the mask transfer line, a hook member of a certain height coupled to the shaft end of the cylinder, and a sensor provided through the upper end of the hook member, ,
While the mask to which the ear band is fused is transferred, the transfer of the mask is stopped while the ear band is automatically fitted and caught on the upper end of the hook member, and then the two hook members are moved between the mask transfer line by driving the cylinder. The ear band caught on the upper end of the hook member is pulled to both sides as it spreads apart from each other. judged by
face mask manufacturing system. The method of claim 1,
The defective product discharging unit,
a vacuum pad provided above the mask transfer line and movable to one side while adsorbing the mask;
a horizontal transfer member for moving the vacuum pad; and
Containing, including;
face mask manufacturing system. The method of claim 1,
An ultrasonic horn is provided below the point where the ultrasonic welding is performed, and an ultrasonic horn cooling means for maintaining the temperature of the ultrasonic horn below a predetermined temperature by directly spraying cold air to the ultrasonic horn is provided on one side of each ultrasonic horn. ,
face mask manufacturing system. 6. The method of claim 5,
The ultrasonic horn cooling means includes a chiller equipped with a Peltier element, a cold air blower pipe for transporting air cooled by the chiller, and a blowing fan for directly injecting cold air to the ultrasonic horn,
face mask manufacturing system. 6. The method of claim 5,
The ultrasonic horn cooling means maintains the temperature of the ultrasonic horn at 80 degrees or less,
face mask manufacturing system.

Images