WO2022118597A1 - Procédé de production et appareil de production de masque - Google Patents

Procédé de production et appareil de production de masque Download PDF

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Publication number
WO2022118597A1
WO2022118597A1 PCT/JP2021/040472 JP2021040472W WO2022118597A1 WO 2022118597 A1 WO2022118597 A1 WO 2022118597A1 JP 2021040472 W JP2021040472 W JP 2021040472W WO 2022118597 A1 WO2022118597 A1 WO 2022118597A1
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WO
WIPO (PCT)
Prior art keywords
individual pieces
mask
continuum
conveyor
speed
Prior art date
Application number
PCT/JP2021/040472
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English (en)
Japanese (ja)
Inventor
正人 廣安
Original Assignee
株式会社瑞光
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社瑞光 filed Critical 株式会社瑞光
Publication of WO2022118597A1 publication Critical patent/WO2022118597A1/fr

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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres

Definitions

  • the present invention relates to a mask manufacturing method and a manufacturing apparatus, and more particularly to a technique of sequentially cutting a mask continuum in which a portion to be a mask is connected to manufacture a mask.
  • FIG. 4 is a plan view of such a mask 110, showing a state in which an unused mask 110 is viewed from the skin surface side.
  • an ear hook sheet 130a forming a pair of ear hook portions 130 is joined to the mask main body 120.
  • the pair of ear hook portions 130 have a joint portion 131 and an annular portion 132, respectively.
  • the joint portion 131 is joined to the end region 121 of the mask body 120 via a joint point 122 by fusion.
  • the annular portions 132 of the pair of ear hook portions 130 are joined to each other at the joint portion 134.
  • Ear hook holes 133 are formed inside the joint portion 131 and the annular portion 132.
  • FIG. 5 is an explanatory diagram of the manufacturing process of the mask 110.
  • each mask main body 120 is conveyed in the direction of the arrow 140 while being held by the sheet holding surface 142 of the holding roll 141.
  • the sheet holding surface 124 of the die cutter 123 conveys the sheet continuum 121b forming the portion to be the ear hook sheet 130a in the direction indicated by the arrow 220.
  • the mask body 120 on the holding roll 141 and the portion of the sheet continuum 121b to be the ear hook portion 130 are overlapped and joined to each other and then cut to form individual pieces of the mask 110 (for example,).
  • Patent Document 1
  • the mask 110 in which the ear hook portions 130 joined to each other are arranged on the mask main body 120 as described above can be manufactured at a higher speed by improving the manufacturing method.
  • a mask continuum in which the parts to be masks are connected is continuously formed, and then the mask continuum being transported is sequentially cut to form individual pieces of the mask, which are handed over to a subsequent process.
  • FIG. 3 is an explanatory diagram for receiving the individual piece 80.
  • the individual pieces 80 transported in the direction indicated by the arrow 81 are ejected into the air by a transport device (not shown), and as shown by the arrow 86, head toward a predetermined receiving position 82.
  • the transport speed of the transport device becomes high, as shown by the arrow 88, the individual piece 80 crosses the receiving position 82, hits the backing plate 84, is repelled, and reaches the receiving position 82.
  • the transport speed of the transport device becomes higher, the individual piece 80 rebounds more at the backing plate 84, and the direction and posture when reaching the receiving position 82 are disturbed, or the position away from the receiving position 82. To reach. If individual pieces are received in such a disordered state, it becomes difficult to arrange and package a predetermined number of pieces in a subsequent process.
  • the problem to be solved by the present invention is to increase the transport speed of the individual pieces that are sequentially cut and transported from the mask continuum formed so that the parts to be masks are connected. It is to provide a mask manufacturing method and a mask manufacturing apparatus that can be received in a stable state and handed over to a subsequent process.
  • the present invention provides a method for manufacturing a mask configured as follows in order to solve the above problems.
  • the mask manufacturing method consists of (i) a mask continuum forming step of forming a mask continuum so that the parts to be masked are connected, and (ii) sequentially cutting the mask continuum while transporting the mask continuum.
  • a cutting step of forming individual pieces of a portion to be a mask and (iii) a transporting step of transporting the cut individual pieces using a main conveyor and then discharging the individual pieces from the main conveyor.
  • An injection step in which the individual pieces discharged from the main conveyor are received and transported by an auxiliary conveyor, the transfer speed of the individual pieces is reduced during transportation, and then the individual pieces are ejected from the auxiliary conveyor.
  • (V) A receiving step of receiving the individual pieces ejected from the auxiliary conveyor at a predetermined position and retracting the received individual pieces 4s from the predetermined position until the subsequent individual pieces reach the predetermined position.
  • the individual pieces are received in a stable state by decelerating the transport speed of the individual pieces and then ejecting the pieces. be able to.
  • the auxiliary conveyor ejects the individual pieces while transporting the individual pieces at a constant speed for a predetermined time.
  • the main conveyor conveys the individual pieces while sandwiching them between a pair of endless belts that are rotationally driven.
  • the auxiliary conveyor conveys the individual pieces while sandwiching them between a pair of rotary-driven rolls.
  • the main conveyor conveys the individual pieces at a speed higher than the speed at which the mask continuum is conveyed in the cutting step.
  • the present invention provides a mask manufacturing apparatus configured as follows in order to solve the above problems.
  • the mask manufacturing apparatus includes (a) a mask continuum forming mechanism that forms a mask continuum so that portions to be masked are connected, and (b) sequentially cutting the mask continuum while transporting the mask continuum.
  • a cutting mechanism that forms individual pieces of the part to be masked, (c) a main conveyor that receives and conveys the cut pieces, and then discharges the individual pieces, and (d) discharges from the main conveyor.
  • An auxiliary conveyor that receives and conveys the individual pieces, slows down the transfer speed of the individual pieces during transportation, and then ejects the individual pieces, and (e) determines the individual pieces ejected from the auxiliary conveyor. It is provided with a receiving mechanism that receives the received piece at a position and retracts the received piece from the predetermined position until the subsequent piece reaches the predetermined position.
  • the individual pieces are received in a stable state by decelerating the transport speed of the individual pieces and then ejecting the pieces. be able to.
  • the auxiliary conveyor ejects the individual pieces while transporting the individual pieces at a constant speed for a predetermined time.
  • the main conveyor conveys the individual pieces while sandwiching them between a pair of endless belts that are rotationally driven.
  • the auxiliary conveyor conveys the individual pieces while sandwiching them between a pair of rotary-driven rolls.
  • the main conveyor conveys the individual pieces at a speed faster than the speed at which the cutting mechanism conveys the mask continuum.
  • individual pieces that are sequentially cut and transported from a mask continuum that is continuously formed so that the parts to be masks are connected are stably maintained even at a high transfer speed. It can be received and handed over to a later process.
  • FIG. 1 is a schematic diagram of a main part of a mask manufacturing apparatus.
  • FIG. 2 is a timing chart.
  • FIG. 3 is an explanatory diagram of receiving individual pieces.
  • FIG. 4 is a plan view of the mask.
  • FIG. 5 is an explanatory diagram of a mask manufacturing process. (Conventional example)
  • Example 1 The mask manufacturing method and manufacturing apparatus of the first embodiment will be described with reference to FIGS. 1 and 2.
  • FIG. 1 is a schematic diagram conceptually showing a configuration of a main part of a mask manufacturing apparatus 10 used in the mask manufacturing method of the first embodiment.
  • the mask manufacturing apparatus 10 includes a mask continuum forming mechanism 10a, a cutting mechanism 10b, a main conveyor 12, an auxiliary conveyor 16, and a counting machine 14 as a receiving mechanism.
  • the auxiliary conveyor 16 is arranged between the main conveyor 12 and the counter 14, and the sensor 18 is arranged between the main conveyor 12 and the auxiliary conveyor 16.
  • the main conveyor 12 is arranged so that the pair of endless belts 12a and 12b face each other at intervals, and the pair of endless belts 12a and 12b circulate in a predetermined path in the directions indicated by the arrows 12p and 12q at the same speed.
  • the main conveyor 12 conveys the pair of endless belts 12a and 12b while sandwiching the individual pieces 4 between the portions facing each other.
  • the main conveyor 12 may be changed to another type of transport device, but if a transport device for transporting the individual pieces 4 by sandwiching them between the pair of endless belts 12a and 12b is used, the transport speed of the individual pieces 4 can be increased. It is easy to make it fast.
  • the sensor 18 detects the individual pieces 4 discharged from the main conveyor 12.
  • auxiliary conveyor 16 In the auxiliary conveyor 16, a pair of rolls 16a and 16b facing each other rotate in the directions indicated by arrows 16p and 16q, and convey the auxiliary conveyor 16 while sandwiching the individual pieces 4s between the pair of rolls 16a and 16b. As will be described in detail later, the auxiliary conveyor 16 repeats speed fluctuations.
  • the auxiliary conveyor 16 may be changed to another type of conveyor, but if a conveyor is used in which the individual pieces 4s are sandwiched between the pair of rolls 16a and 16b to convey the individual pieces 4s, the individual pieces 4s can be simply configured. It can be transported while decelerating, and it is easy to miniaturize.
  • the counter 14 is configured such that a plurality of paddles 14p move at intervals from each other and sequentially pass through a predetermined position 15.
  • the individual pieces 4s ejected from the auxiliary conveyor 16 are received by the flat surface 14q of the paddle 14p, and the individual pieces 4s are conveyed in a state of being placed on the flat surface 14q. ..
  • the counting machine 14 is provided with a stop plate 14k on the opposite side of the auxiliary conveyor 16 with the predetermined position 15 interposed therebetween.
  • the stop plate 14k When the piece 4s discharged from the auxiliary conveyor 16 hits the stop plate 14k, the piece 4s is repelled and heads for the predetermined position 15.
  • the mask manufacturing device 10 further includes a control device 11.
  • the control device 11 is connected to a main motor 12m for driving the main conveyor 12, an auxiliary motor 16m for driving the auxiliary conveyor 16, a counter motor 14m for moving the paddle 14p of the counter 14, and a sensor 18. ing.
  • the control device 11 is composed of a motion controller, a motor driver, and the like, and controls the operation of the mask manufacturing device 10 according to a predetermined program.
  • the mask continuum forming mechanism 10a continuously forms the mask continuum 2 so that the portions to be masked are connected, and conveys the mask continuum 2 at the first speed V1. This is a mask continuum forming step.
  • the cutting mechanism 10b sequentially cuts the mask continuum 2 being transported at the position indicated by the chain line 3, to form the individual piece 4 in which the portion to be the mask is divided. This is a cutting process.
  • the cut pieces 4 are further conveyed toward the main conveyor 12 at the first speed V1.
  • the mask continuum 2 is formed so that the portions to be masks are connected without any gap, there is no waste of material.
  • the main conveyor 12 receives the cut pieces 4 and conveys them, and then discharges the pieces 4. This is a transport process.
  • the main conveyor 12 sandwiches the individual pieces 4 between the pair of endless belts 12a and 12b. It is conveyed at the second speed V2 up to 12v on the other side of the. The individual pieces 4 are discharged from the other side 12v of the main conveyor 12 and head toward the auxiliary conveyor 16.
  • the second speed V2 is preferably faster than the first speed V1.
  • the main conveyor 12 conveys the individual pieces 4 at a second speed V2 faster than the first speed V1
  • the distance between the individual pieces 4 before and after the main conveyor 12 conveys widens, so that the front and rear pieces are conveyed by the auxiliary conveyor 16. You can prevent the pieces from interfering.
  • the second velocity V2 is the same as the first velocity V1. Even if the second speed V2 is slower than the first speed V1, it is possible to prevent the front and rear pieces from interfering with each other on the auxiliary conveyor 16.
  • the auxiliary conveyor 16 receives and conveys the individual pieces 4s discharged from the main conveyor 12, slows down the transfer speed of the individual pieces 4s during transportation, and then ejects the individual pieces 4s. This is the injection process.
  • the sensor 18 detects the individual piece 4 when the individual piece 4 discharged from the main conveyor 12 passes through the detection position 18p, and transmits the detection signal to the control device 11.
  • the piece 4 When the tip of the piece 4 discharged from the main conveyor 12 reaches between the pair of rolls 16a and 16b of the auxiliary conveyor 16, the piece 4 is conveyed while being sandwiched between the pair of rolls 16a and 16b.
  • the control device 11 controls the auxiliary motor 16m so that the rotation speed of the pair of rolls 16a and 16b decreases during the transfer and the transfer speed of the individual piece 4 is decelerated.
  • the piece 4s conveyed by the auxiliary conveyor 16 is ejected into the air at a third speed V3 when the rear end of the piece 4s passes between the pair of rolls 16a and 16b of the auxiliary conveyor 16 and is predetermined. Move towards position 15.
  • the third speed V3 is a speed at which the individual pieces 4s can be received in a stable state at a predetermined position 15.
  • the counter 14 receives the piece 4s ejected from the auxiliary conveyor 16 at the predetermined position 15, and receives the received piece 4s at the predetermined position until the subsequent piece 4t reaches the predetermined position 15. Evacuate from 15. This is the receiving process.
  • each paddle 14p moves in conjunction with the timing when the piece 4s ejected from the auxiliary conveyor 16 reaches the predetermined position 15, and the paddle 14p receives the piece 4s at the predetermined position 15. ..
  • the paddle 14u waiting at the standby position 15a before the predetermined position 15 moves to the predetermined position 15 at the timing when the individual pieces 4s reach the predetermined position 15, receives the individual pieces 4s, and receives the subsequent individual pieces.
  • the piece 4t moves to the retracted position 15b.
  • the paddle 14u moves from the standby position 15a to the retracted position 15b, the next paddle 14v moves to the standby position 15a.
  • FIG. 2 is a time chart when the mask manufacturing apparatus 10 operates.
  • FIG. 2A shows the detection signal 18x of the sensor 18.
  • FIG. 2B shows a control signal 12x of the main motor 12m.
  • FIG. 2C shows a control signal 16x of the auxiliary motor 16m.
  • FIG. 2D shows a control signal 14x of the counter motor 14m.
  • control device 11 When the mask manufacturing device 10 is started, the control device 11 outputs a control signal 12j for rotating the stopped main motor 12m at a steady speed as shown by the reference numeral 12i, and also outputs a control signal 12j as shown by the reference numeral 16i. A control signal 16j for rotating the stopped auxiliary motor 16m at a steady speed is output.
  • the counter motor 14m remains stopped, as indicated by reference numeral 14w.
  • a mask continuum is formed, and individual pieces are cut from the mask continuum and conveyed.
  • the control device 11 decelerates the auxiliary motor 16m as indicated by reference numeral 16r after the lapse of the first predetermined time t1. Then, the constant speed is maintained for a predetermined time as indicated by the reference numeral 16s, and then the control signal 16x is output so as to return to the steady speed after increasing the speed as indicated by the reference numeral 16t.
  • the main conveyor 12 starts decelerating at the same time when the tip of the first piece 4s reaches between the pair of rolls 16a and 16b of the auxiliary conveyor 16. It is determined in advance according to the transfer speed, that is, the steady speed of the main motor 12 m.
  • the auxiliary conveyor 16 maintains a constant speed after deceleration
  • the rear end of the first piece 4s passes through the auxiliary conveyor 16 and the first piece 4s is ejected from the auxiliary conveyor 16.
  • the auxiliary conveyor 16 accelerates and the transfer speed of the auxiliary conveyor 16 returns to the second speed V2.
  • the time during which the auxiliary motor decelerates, the time during which the auxiliary motor 16m maintains a constant speed after deceleration, and the time during which the auxiliary motor 16m returns from a constant speed to a steady speed are predetermined.
  • the constant speed after deceleration of the auxiliary motor 16 m is determined in advance so that the individual pieces 4s ejected from the auxiliary conveyor 16 reach the predetermined position 15.
  • the control device 11 when the sensor 18 detects the tip of the second piece 4t, the control device 11 also starts decelerating the auxiliary motor 16m after the first predetermined time t 1 has elapsed. Then, the control signal 16x is output to the auxiliary motor 16m so as to maintain a constant speed for a predetermined time, then increase the speed of the auxiliary motor 16m and then return to the steady operation speed. The same control is repeated for the third and subsequent pieces 4.
  • control device 11 starts the counter motor 14m as indicated by reference numeral 14i after the second predetermined time t 2 has elapsed, and counts.
  • a control signal 14j for rotating the machine motor 14m at a steady speed is output.
  • the control device 11 After the counter motor 14m has rotated at a steady speed, the control device 11 checks whether the rotation phase of the counter motor 14m matches the timing of receiving the pieces 4s, 4t, 4 at the predetermined position 15, and is necessary. Accordingly, the deviation of the rotational phase of the counter motor 14 m is corrected.
  • the control device 11 checks the rotation phase of the counter motor 14m before the first piece 4s reaches the predetermined position 15, for example, when the first piece 4s reaches the predetermined position 15. If it is predicted that the rotation phase of the counter motor 14m is advanced, the rotation of the counter motor 14m is temporarily slowed down as shown by reference numeral 14s, and then returned to the steady speed to return to the steady speed of the first piece. When the piece 4s reaches the predetermined position 15, the phase shift is eliminated.
  • control device 11 checks the rotation phase of the counter motor 14m before the second piece 4t reaches the predetermined position 15, for example, the second piece 4t reaches the predetermined position 15. If it is predicted that the rotation phase of the counter motor 14m is delayed at that time, the rotation of the counter motor 14m is temporarily increased as shown by reference numeral 14t and then returned to the steady speed for the second sheet. When the individual piece 4t reaches the predetermined position 15, the phase shift is eliminated.
  • the sensor 18 is included.
  • the control device 11 indicates by reference numeral 14r.
  • the rotation of the counter motor 14 m is stopped.
  • the control device 11 controls the rotation of the counter motor 14 m so that the paddle 14p of the counter 14 stops in a predetermined standby state.
  • the ejection speed V3 when ejected from the auxiliary conveyor 16 can be decelerated by the auxiliary conveyor 16 to a speed at which the individual pieces 4s can be received in a stable state at the predetermined position 15, and as a result, the predetermined position 15 In, the individual pieces 4s can be received in a stable state.
  • the present invention is not limited to the above embodiment, and can be implemented with various modifications.
  • Mask continuum 4,4s, 4t pieces 10
  • Mask manufacturing equipment 10a
  • Mask continuum forming mechanism 10b
  • Cutting mechanism 12
  • Main conveyor 12a, 12b Endless belt 14
  • Counting machine (receiving mechanism) 15 Predetermined position 16

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

La présente invention permet que des pièces individuelles, qui sont coupées de manière séquentielle à partir d'un corps de masque continu formé de telle sorte que des sections conçues pour devenir des masques sont reliées et qui sont transportées à partir du corps de masque continu, soient reçues et délivrées à un processus ultérieur dans un état stable, même à des vitesses de transport élevées.　Dans la présente invention, un corps de masque continu (2) est formé de telle sorte que des sections conçues pour devenir des masques sont reliées, le corps de masque continu (2) est coupé de manière séquentielle tout en étant transporté pour former des pièces individuelles (4) composées des sections respectives conçues pour devenir des masques, les pièces individuelles (4) coupées sont transportées à l'aide d'un transporteur principal (12) puis déchargées du transporteur principal (12), une pièce individuelle (4s) déchargée à partir du transporteur principal (12) est reçue et transportée par un convoyeur auxiliaire (16), et la vitesse de transport de la pièce individuelle (4s) est réduite tout en étant transportée, après quoi la pièce individuelle (4s) est éjectée du transporteur auxiliaire (16), la pièce individuelle (4s) éjectée du transporteur auxiliaire (16) est reçue à une position prescrite (15), et la pièce individuelle (4s) reçue est retirée de la position prescrite (15) avant qu'une pièce individuelle suivante (4t) atteigne la position prescrite (15).
PCT/JP2021/040472 2020-12-02 2021-11-03 Procédé de production et appareil de production de masque WO2022118597A1 (fr)

Applications Claiming Priority (2)

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JP2020200632 2020-12-02
JP2020-200632 2020-12-02

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WO2022118597A1 true WO2022118597A1 (fr) 2022-06-09

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49118167A (fr) * 1973-03-16 1974-11-12
JPS60258053A (ja) * 1984-05-17 1985-12-19 ゲオルグ　シユピース　ゲーエムベーハー シートの積重ねを形成する装置
US20040251603A1 (en) * 2003-05-21 2004-12-16 Roth Curtis A. Sheet deceleration apparatus and method
JP2019534390A (ja) * 2017-10-04 2019-11-28 オーアンドエム ハリヤード インターナショナル アンリミテッド カンパニー 製造ラインにおいてフェイスマスクを製造する方法及びシステム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49118167A (fr) * 1973-03-16 1974-11-12
JPS60258053A (ja) * 1984-05-17 1985-12-19 ゲオルグ　シユピース　ゲーエムベーハー シートの積重ねを形成する装置
US20040251603A1 (en) * 2003-05-21 2004-12-16 Roth Curtis A. Sheet deceleration apparatus and method
JP2019534390A (ja) * 2017-10-04 2019-11-28 オーアンドエム ハリヤード インターナショナル アンリミテッド カンパニー 製造ラインにおいてフェイスマスクを製造する方法及びシステム

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