WO2021040323A1 - Sensor assembly for sensing movements of needle bar and sewing machine comprising same - Google Patents

Sensor assembly for sensing movements of needle bar and sewing machine comprising same Download PDF

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Publication number
WO2021040323A1
WO2021040323A1 PCT/KR2020/011152 KR2020011152W WO2021040323A1 WO 2021040323 A1 WO2021040323 A1 WO 2021040323A1 KR 2020011152 W KR2020011152 W KR 2020011152W WO 2021040323 A1 WO2021040323 A1 WO 2021040323A1
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WO
WIPO (PCT)
Prior art keywords
needle bar
holder
sensor assembly
wire
sewing machine
Prior art date
Application number
PCT/KR2020/011152
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French (fr)
Korean (ko)
Inventor
이동훈
Original Assignee
아리인포테크 주식회사
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Publication of WO2021040323A1 publication Critical patent/WO2021040323A1/en

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    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B19/00—Programme-controlled sewing machines
    • D05B19/02—Sewing machines having electronic memory or microprocessor control unit
    • D05B19/12—Sewing machines having electronic memory or microprocessor control unit characterised by control of operation of machine
    • D05B19/14—Control of needle movement, e.g. varying amplitude or period of needle movement
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B55/00—Needle holders; Needle bars
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/10—Electrical or electromagnetic drives

Definitions

  • the present invention relates to a sensor assembly for detecting movement of a needle bar and a sewing machine including the same, and more particularly, a sensor assembly for detecting movement of a needle bar to accurately collect and manage work information by detecting the movement of the needle bar, and a sewing machine including the same It is about.
  • An object of the present invention is to provide a sensor assembly for detecting movement of a needle bar capable of accurately collecting and managing work information through the vertical movement of a needle bar provided in a sewing machine. Have.
  • the sensor assembly for detecting the movement of the needle bar of the present invention for achieving the above object is connected by a magnet provided at the upper end of the needle bar to move up and down by being provided on a sewing machine, and connected by a wire for power supply, and in the needle bar hole formed in the sewing machine It is provided adjacent and includes a magnetic sensor for detecting the movement of the magnet and a wire holder for fixing the wire to the sewing machine.
  • the wire holder may fix the wire in a state in which at least a portion is inserted into the needle bar hole.
  • the wire holder includes a head portion having a cross-section having a first cross-sectional area range and an insertion fixing portion connected to a lower portion of the head portion, and having a second cross-sectional area having a cross-section smaller than the first cross-sectional area range, and the head portion And a fixing hole formed to vertically penetrate the insertion fixing part and into which the wire is inserted.
  • the wire holder may have an opening hole formed in a portion of the head portion and the insertion fixing portion, so that the fixing hole is opened in a lateral direction.
  • a plurality of bent portions may be formed on the outer circumferential surface of the insertion fixing portion.
  • a pressing protrusion may be formed on an inner circumferential surface of at least one of the head portion and the insertion fixing portion and protruding inward to press the wire.
  • the present invention may further include a magnet holder provided at the upper end of the needle bar to fix the magnet.
  • a receiving space with an open top is formed inside the magnet holder, so that the magnet may be accommodated in the receiving space.
  • an inner protrusion may be formed on the inner circumferential surface of the magnet holder to protrude inwardly to fix the magnet.
  • an outer protrusion protruding outward may be formed on an outer circumferential surface of the magnet holder.
  • the present invention may further include a holder supporter that is fixed to the outer surface of the sewing machine so as to correspond to the position of the needle bar hole, and fixes the wire holder from the outside of the sewing machine.
  • the holder supporter includes a holder insertion portion in which the wire holder is seated and a support portion for fixing the holder fixing portion to the outer surface of the sewing machine, the holder insertion portion and the support portion vertically penetrating the wire holder It may have a seating hole into which at least a portion is inserted.
  • the sensor assembly for detecting movement of the needle bar and the sewing machine including the same for solving the above problems can accurately collect and manage work information through the vertical movement of the needle bar, It has the advantage of being able to easily grasp and manage work information for each sewing machine in the workshop.
  • the present invention provides a means to stably fix the magnetic sensor for detecting the vertical movement of the needle bar in an accurate position, so that more precise and reliable information can be collected, and it is easy to use commercial sewing machines that have already been distributed. It has the advantage that it can be applied in different ways.
  • 1 is a view showing a state of a sewing machine provided with a needle bar
  • FIG. 2 is a view showing a state of the sensor assembly for detecting the movement of the needle bar according to the first embodiment of the present invention
  • FIG. 3 is a view showing a state of a wire holder in the sensor assembly for detecting movement of the needle bar according to the first embodiment of the present invention
  • FIG. 4 is a view showing a state of a magnet and a magnet holder in the sensor assembly for detecting movement of the needle bar according to the first embodiment of the present invention.
  • 5 to 7 are views showing the state of the sensor assembly for detecting the movement of the needle bar according to the second embodiment of the present invention.
  • FIG. 1 is a view showing a state of the sewing machine 10 provided with a needle bar 20.
  • the sewing machine 10 is provided with a needle bar 20 to which a needle is attached, and the needle bar 20 can be operated by the operator within the needle bar hole 12 formed in the sewing machine 10. According to the vertical movement, sewing is performed. Since the configuration of the sewing machine 10 is obvious to a person skilled in the art, a detailed description will be omitted.
  • a magnet is provided on the upper end 30 of the needle bar 20 to detect the vertical movement of the needle bar 20, so that the operation information of the sewing machine 10 can be accurately collected and managed. do.
  • FIG. 2 is a view showing the state of the sensor assembly for detecting the movement of the needle bar according to the first embodiment of the present invention.
  • the sensor assembly for detecting movement of the needle bar according to the first embodiment of the present invention includes a magnet 60, a magnet holder 50, a magnetic sensor 310, and a wire holder 100. Includes.
  • the magnet 60 is provided on the upper end 30 of the needle bar 20 that is provided on the sewing machine 10 and moves up and down, and has a state fixed by the magnet holder 50. That is, the magnet 60 may be moved together with the vertical motion of the needle bar 20 while being fixed to the magnet holder 50.
  • the magnetic sensor 310 is connected by a wire 300 for supplying power and is provided adjacent to the needle bar hole 12 formed in the sewing machine 10 to detect the vertical movement of the magnet 60. .
  • the magnetic sensor 310 may detect the vertical motion of the magnet 60, that is, the needle bar 20 by using a change in the magnetic force of the magnet 60.
  • the work information collection module (not shown) may be configured to collect work information according to the vertical motion of the magnet 60 sensed by the magnetic sensor 310.
  • the work information may be composed of the number of vertical movements of the needle bar 20, position information according to the vertical movement of the needle bar 20, and the like.
  • the method of detecting the position of the needle bar 130 is, as the magnetic sensor 310 and the magnet 60 fixed to the needle bar 130 become closer as the needle bar 20 rises upward, the magnetic sensor 310 ), the position where the magnet 60 is sensed is a needle bar up position, and a position where the magnetic sensor 310 does not detect the magnet 60 is a needle bar down position. do.
  • the work information collection module may also determine and collect whether the needle bar 20 is in a stopped state. For example, if the detection signal of the magnetic sensor 310 is not changed for a preset time, it may be determined as an exercise stop state.
  • the wire holder 100 is a component that fixes the wire 300 connected to the magnetic sensor 310 to the sewing machine 10.
  • the magnetic sensor 310 must be positioned directly above the needle bar 20 due to its characteristics, and in this embodiment, it is inserted into the needle bar hole 12.
  • the wire holder 100 may fix the wire 300 to the frame of the sewing machine 10, thereby fixing the magnetic sensor 310 at a designated position in the needle bar hole 12. .
  • the wire holder 100 has a form in which the wire 300 is fixed with at least a part inserted into the needle bar hole 12. This type of fixing can be applied when the space inside the sewing machine 10 can be secured as much as the volume occupied by the wire holder 100.
  • FIG 3 is a view showing a state of the wire holder 100 in the sensor assembly for detecting movement of the needle bar according to the first embodiment of the present invention.
  • the wire holder 100 includes a head part 110 and an insertion fixing part 120, and the head part 110 and the insertion fixing part 120 ) Is formed to penetrate up and down to form a fixing hole 105 into which the wire 300 is inserted.
  • the head portion 110 has a first cross-sectional area in a cross-section
  • the insertion fixing portion 120 is connected to the lower portion of the head portion 110
  • the cross-section is a second cross-sectional area smaller than the first cross-sectional area.
  • the head part 110 and the insertion fixing part 120 may have a cross-sectional area of varying within a predetermined range, but the head part 110 is formed to have a larger cross-sectional area than the insertion fixing part 120. .
  • the wire holder 100 in a state in which the insertion fixing part 120 is inserted into the needle bar hole 12, and the head part 110 is seated on the outer surface of the sewing machine 10. It can be provided.
  • the wire holder 100 may have an opening hole 107 formed in a part of the head portion 110 and the insertion fixing portion 120, so that the fixing hole 105 may have a shape open in the lateral direction. have.
  • the fixing hole 105 when the insertion fixing part 120 is inserted into the needle bar hole 12, the head part 110 and the insertion fixing part 120 to match the diameter of the needle bar hole 12 ) Is slightly deformed so that the diameter can be adjusted, and at the same time, the wire 300 inserted into the fixing hole 105 is pressed more so that it can be stably fixed.
  • the wire holder 100 of the present embodiment can be applied to the needle bar hole 12 of various diameters, and may also correspond to the wire 300 having various thicknesses.
  • a plurality of bent portions may be formed on the outer circumferential surface of the insertion fixing part 120, which is to further improve the fixing force of the wire holder 100.
  • one bent portion may include one stepped surface 122 and one inclined surface 124, respectively.
  • the second stepped surface 122b has a larger area than the first stepped surface 122a formed on the remaining bent portion and is rounded.
  • the present embodiment may include a pressing protrusion 108 formed on an inner circumferential surface of at least one of the head unit 110 and the insertion fixing unit 120 and protruding inward to press the wire 300. have.
  • a pressing protrusion 108 formed on an inner circumferential surface of at least one of the head unit 110 and the insertion fixing unit 120 and protruding inward to press the wire 300.
  • FIG 4 is a view showing the state of the magnet 60 and the magnet holder 50 in the sensor assembly for detecting the movement of the needle bar according to the first embodiment of the present invention.
  • the present embodiment further includes a magnet holder 50 provided in a state inserted into the insertion groove formed in the upper end 30 of the needle bar 20 to fix the magnet 60. .
  • an accommodation space 52 with an open top is formed inside the magnet holder 50, so that the magnet may be accommodated in the accommodation space 52.
  • the magnet 60 is formed in a cylindrical shape, and the receiving space 52 is formed to have a shape corresponding to the magnet 60.
  • an inner protrusion 56 may be formed on the inner circumferential surface of the magnet holder 50 to pressurize and fix the magnet 60, and protrude outwardly on the outer circumferential surface of the magnet holder 50.
  • an outer protrusion 54 that allows the magnet holder 50 itself to have a stably fixed state may be formed.
  • the number and shape of the inner protrusion 56 and the outer protrusion 54 may be variously formed.
  • the wire 300 is fixed in a state in which at least a part of the wire holder 100 is inserted into the needle bar hole 12. It has a form to let you know.
  • 5 to 7 are views showing the state of the sensor assembly for detecting the movement of the needle bar according to the second embodiment of the present invention.
  • the wire holder 100, the magnet 60, and the magnet holder 50 are formed in the same shape as the first embodiment described above.
  • the second embodiment of the present invention further includes a holder supporter 200 used when an internal space in which a part of the wire holder 100 can be inserted is not secured in the sewing machine 10.
  • the holder supporter 200 is a component that is fixed to the outer surface of the sewing machine 10 so as to correspond to the position of the needle bar hole 12, and fixes the wire holder 100 from the outside of the sewing machine 10.
  • the holder supporter 200 includes a holder insertion part 210 on which the wire holder 100 is seated, and the holder fixing part 210 on the outer surface of the sewing machine 10. It includes a support portion 220 to be fixed to.
  • the holder supporter 200 is formed to vertically penetrate the holder insertion portion 210 and the support portion 220, and has a seating hole 205 into which at least a portion of the wire holder 100 is inserted.
  • the seating hole 205 may serve to extend the needle bar hole 12 by communicating with the needle bar hole 12, and accordingly, the holder supporter 200 is provided with the wire inside the sewing machine 10.
  • the wire holder 100 may be fixed even when an inner space into which a part of the holder 100 can be inserted is not secured.
  • the holder insertion part 210 of the holder supporter 200 is formed such that its inner circumferential surface has a shape corresponding to the outer circumferential surface of the insertion fixing part 120 of the wire holder 100.
  • a first fixing protrusion fitted between adjacent bent portions of the insertion fixing portion 120 that is, a recessed area between the first stepped surface 122a and the inclined surface 124 ( 212), and a second fixing protrusion 214 inserted into the second stepped surface 122b having an area larger than that of the first stepped surface 122a and formed to be rounded is formed. Accordingly, the insertion fixing part 120 may be stably fixed in the holder insertion part 210.
  • the support part 220 of the holder supporter 200 extends a predetermined length radially from the holder insertion part 210 and is in surface contact with the outer surface of the sewing machine 10 ( 222).
  • the two extension portions 222 form a radially extending form at an angle of about 90° to each other, but the number, length, and shape of the extension portions 222 may be variously formed.
  • a fastening hole 223 for fastening the holder supporter 220 to the sewing machine 10 using a separate fastening member or the like may be formed in the extension part 222.

Abstract

A sensor assembly for sensing movements of a needle bar, according to the present invention, comprises: a magnet which is provided at the upper end of a needle bar provided in a sewing machine and moving up and down; a magnetic sensor which is connected by a wire for power supply and is provided adjacent to a needle bar hole formed in the sewing machine so as to sense movements of the magnet; and a wire holder which fixes the wire to the sewing machine.

Description

바늘대 운동 감지용 센서 어셈블리 및 이를 포함하는 재봉틀A sensor assembly for detecting movement of a needle bar and a sewing machine including the same
본 발명은 바늘대 운동 감지용 센서 어셈블리 및 이를 포함하는 재봉틀에 관한 것으로서, 보다 상세하게는 바늘대의 운동을 감지하여 작업 정보를 정확하게 수집하고 관리할 수 있도록 하는 바늘대 운동 감지용 센서 어셈블리 및 이를 포함하는 재봉틀에 관한 것이다.The present invention relates to a sensor assembly for detecting movement of a needle bar and a sewing machine including the same, and more particularly, a sensor assembly for detecting movement of a needle bar to accurately collect and manage work information by detecting the movement of the needle bar, and a sewing machine including the same It is about.
대규모 의류 제조 공장의 경우, 다량의 재봉틀을 구비하고, 재봉틀 각각에 작업자가 할당되어 작업이 이루어지는 경우가 많다.In the case of a large-scale garment manufacturing factory, a large number of sewing machines are provided, and workers are assigned to each of the sewing machines to perform work.
이와 같은 대규모 의류 제조 공장에서는 각 재봉틀에 의해 이루어지는 작업들을 관리하고, 생산량 및 작업량을 관리할 필요가 있다.In such a large-scale garment manufacturing factory, it is necessary to manage operations performed by each sewing machine, and to manage production and workload.
하지만, 생산량 및 작업량은 작업자의 숙련도나 성실도 또는 그 외의 다양한 요인에 따라 달라질 수밖에 없으며, 따라서 생산량 및 작업량에 대한 정보를 수집하는 것이 어려워 작업 관리가 용이하지 않다는 문제가 있다.However, the amount of production and the amount of work inevitably vary depending on the skill level of the operator, the sincerity, or various other factors, and thus, it is difficult to collect information on the amount of production and the amount of work, and thus, there is a problem that work management is not easy.
뿐만 아니라, 바쁘게 운용되고 있는 작업 현장에서는 각 재봉틀의 상태나 운용 상태를 파악하기가 쉽지 않기 때문에, 적시에 유지/보수가 이루어지지 못해 생산량이 저하되는 경우도 자주 발생하고 있다.In addition, since it is not easy to grasp the state or operating state of each sewing machine in a busy work site, there are frequent cases where the production volume is not performed due to timely maintenance/repair.
따라서 재봉틀의 바늘대(Needle Bar)의 상하 운동을 통해, 작업 정보를 정확하게 수집하고 관리할 수 있는 수단이 요구되고 있다.Therefore, there is a need for a means to accurately collect and manage work information through the vertical movement of the needle bar of the sewing machine.
이를 위해서는 바늘대의 움직임을 감지할 수 있는 센서가 필요하나, 현재 유통되고 있는 일반적 형태의 재봉틀에는 바늘대의 움직임을 정밀하게 감지할 수 있도록 센서를 안정적으로 고정시킬 수 있는 공간을 확보하기가 어렵다는 문제가 있다.For this, a sensor capable of detecting the movement of the needle bar is required, but the general type of sewing machine currently in circulation has a problem that it is difficult to secure a space for stably fixing the sensor so that the movement of the needle bar can be accurately detected. have.
따라서 이와 같은 문제점들을 해결하기 위한 방법이 요구된다.Therefore, a method for solving these problems is required.
본 발명은 상술한 종래 기술의 문제점을 해결하기 위하여 안출된 발명으로서, 재봉틀에 구비되는 바늘대의 상하 운동을 통해, 작업 정보를 정확하게 수집하고 관리할 수 있는 바늘대 운동 감지용 센서 어셈블리를 제공하고자 하는 목적을 가진다.An object of the present invention is to provide a sensor assembly for detecting movement of a needle bar capable of accurately collecting and managing work information through the vertical movement of a needle bar provided in a sewing machine. Have.
또한 바늘대의 운동을 감지할 수 있는 센서를 정확한 위치에 안정적으로 고정할 수 있도록 하기 위한 고정 수단들을 제공하기 위한 목적을 가진다.In addition, it has the purpose of providing fixing means for stably fixing a sensor capable of detecting the movement of the needle bar in an accurate position.
본 발명의 과제들은 이상에서 언급한 과제들로 제한되지 않으며, 언급되지 않은 또 다른 과제들은 아래의 기재로부터 당업자에게 명확하게 이해될 수 있을 것이다.The problems of the present invention are not limited to the problems mentioned above, and other problems that are not mentioned will be clearly understood by those skilled in the art from the following description.
상기한 목적을 달성하기 위한 본 발명의 바늘대 운동 감지용 센서 어셈블리는, 재봉틀에 구비되어 상하 운동하는 바늘대의 상단부에 구비되는 자석, 전력 공급을 위한 와이어에 의해 연결되고, 상기 재봉틀에 형성된 바늘대 구멍에 인접하여 구비되어, 상기 자석의 움직임을 감지하는 자기센서 및 상기 와이어를 상기 재봉틀에 고정시키는 와이어 홀더를 포함한다.The sensor assembly for detecting the movement of the needle bar of the present invention for achieving the above object is connected by a magnet provided at the upper end of the needle bar to move up and down by being provided on a sewing machine, and connected by a wire for power supply, and in the needle bar hole formed in the sewing machine It is provided adjacent and includes a magnetic sensor for detecting the movement of the magnet and a wire holder for fixing the wire to the sewing machine.
그리고 상기 와이어 홀더는 상기 바늘대 구멍에 적어도 일부가 삽입된 상태로 상기 와이어를 고정시킬 수 있다.In addition, the wire holder may fix the wire in a state in which at least a portion is inserted into the needle bar hole.
또한 상기 와이어 홀더는, 횡단면이 제1단면적 범위를 가지는 헤드부 및 상기 헤드부의 하부에 연결되며, 횡단면이 상기 제1단면적 범위보다 작은 제2단면적 범위를 가지는 삽입고정부를 포함하며, 상기 헤드부 및 상기 삽입고정부를 상하 관통하도록 형성되어 상기 와이어가 삽입되는 고정홀을 가질 수 있다.In addition, the wire holder includes a head portion having a cross-section having a first cross-sectional area range and an insertion fixing portion connected to a lower portion of the head portion, and having a second cross-sectional area having a cross-section smaller than the first cross-sectional area range, and the head portion And a fixing hole formed to vertically penetrate the insertion fixing part and into which the wire is inserted.
그리고 상기 와이어 홀더는, 상기 헤드부 및 상기 삽입고정부의 일부에 개방홀이 형성되어, 상기 고정홀이 측 방향으로 개방된 형태를 가질 수 있다.In addition, the wire holder may have an opening hole formed in a portion of the head portion and the insertion fixing portion, so that the fixing hole is opened in a lateral direction.
또한 상기 삽입고정부의 외주면에는 복수 개의 굴곡부가 형성될 수 있다.In addition, a plurality of bent portions may be formed on the outer circumferential surface of the insertion fixing portion.
그리고 상기 헤드부 및 상기 삽입고정부 중 적어도 어느 하나의 내주면에는, 내측으로 돌출되어 상기 와이어를 가압하는 가압돌기가 형성될 수 있다.In addition, a pressing protrusion may be formed on an inner circumferential surface of at least one of the head portion and the insertion fixing portion and protruding inward to press the wire.
또한 본 발명은 상기 바늘대의 상단부에 구비되어 상기 자석을 고정시키는 자석 홀더를 더 포함할 수 있다.In addition, the present invention may further include a magnet holder provided at the upper end of the needle bar to fix the magnet.
그리고 상기 자석 홀더의 내측에는 상부가 개구된 수용공간이 형성되어, 상기 수용공간에 상기 자석이 수용될 수 있다.In addition, a receiving space with an open top is formed inside the magnet holder, so that the magnet may be accommodated in the receiving space.
또한 상기 자석 홀더의 내주면에는, 내측으로 돌출되어 상기 자석을 고정시키는 내측돌기가 형성될 수 있다.In addition, an inner protrusion may be formed on the inner circumferential surface of the magnet holder to protrude inwardly to fix the magnet.
그리고 상기 자석 홀더의 외주면에는, 외측으로 돌출된 외측돌기가 형성될 수 있다.In addition, an outer protrusion protruding outward may be formed on an outer circumferential surface of the magnet holder.
또한 본 발명은 상기 바늘대 구멍의 위치에 대응되도록 상기 재봉틀 외면에 고정되며, 상기 와이어 홀더를 상기 재봉틀의 외부에서 고정시키는 홀더 서포터를 더 포함할 수 있다.In addition, the present invention may further include a holder supporter that is fixed to the outer surface of the sewing machine so as to correspond to the position of the needle bar hole, and fixes the wire holder from the outside of the sewing machine.
그리고 상기 홀더 서포터는, 상기 와이어 홀더가 안착되는 홀더삽입부 및 상기 홀더고정부를 상기 재봉틀의 외면에 고정시키는 서포트부를 포함하며, 상기 홀더삽입부 및 상기 서포트부를 상하 관통하도록 형성되어 상기 와이어 홀더의 적어도 일부가 삽입되는 안착홀을 가질 수 있다.And the holder supporter includes a holder insertion portion in which the wire holder is seated and a support portion for fixing the holder fixing portion to the outer surface of the sewing machine, the holder insertion portion and the support portion vertically penetrating the wire holder It may have a seating hole into which at least a portion is inserted.
상기한 과제를 해결하기 위한 본 발명의 바늘대 운동 감지용 센서 어셈블리 및 이를 포함하는 재봉틀은, 바늘대의 상하 운동을 통해, 작업 정보를 정확하게 수집하고 관리할 수 있으므로, 대형 의류 제조 공장을 비롯한 관련 업종의 작업장에서 각 재봉틀 별로 작업 정보를 용이하게 파악하고 관리할 수 있는 장점을 가진다.The sensor assembly for detecting movement of the needle bar and the sewing machine including the same for solving the above problems can accurately collect and manage work information through the vertical movement of the needle bar, It has the advantage of being able to easily grasp and manage work information for each sewing machine in the workshop.
또한 본 발명은 바늘대의 상하 운동을 감지하기 위한 자기센서를 정확한 위치에 안정적으로 고정시킬 수 있는 수단을 제공함으로써, 보다 정밀하고 신뢰도 높은 정보를 수집할 수 있으며, 이미 보급되어 있는 상용의 재봉틀에도 용이하게 적용이 가능하다는 장점을 가진다.In addition, the present invention provides a means to stably fix the magnetic sensor for detecting the vertical movement of the needle bar in an accurate position, so that more precise and reliable information can be collected, and it is easy to use commercial sewing machines that have already been distributed. It has the advantage that it can be applied in different ways.
본 발명의 효과들은 이상에서 언급한 효과들로 제한되지 않으며, 언급되지 않은 또 다른 효과들은 청구범위의 기재로부터 당업자에게 명확하게 이해될 수 있을 것이다.The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.
도 1은 바늘대가 구비되는 재봉틀의 모습을 나타낸 도면;1 is a view showing a state of a sewing machine provided with a needle bar;
도 2는 본 발명의 제1실시예에 따른 바늘대 운동 감지용 센서 어셈블리의 모습을 나타낸 도면;2 is a view showing a state of the sensor assembly for detecting the movement of the needle bar according to the first embodiment of the present invention;
도 3은 본 발명의 제1실시예에 따른 바늘대 운동 감지용 센서 어셈블리에 있어서, 와이어 홀더의 모습을 나타낸 도면;3 is a view showing a state of a wire holder in the sensor assembly for detecting movement of the needle bar according to the first embodiment of the present invention;
도 4는 본 발명의 제1실시예에 따른 바늘대 운동 감지용 센서 어셈블리에 있어서, 자석 및 자석 홀더의 모습을 나타낸 도면; 및4 is a view showing a state of a magnet and a magnet holder in the sensor assembly for detecting movement of the needle bar according to the first embodiment of the present invention; And
도 5 내지 도 7은 본 발명의 제2실시예에 따른 바늘대 운동 감지용 센서 어셈블리의 모습을 나타낸 도면이다.5 to 7 are views showing the state of the sensor assembly for detecting the movement of the needle bar according to the second embodiment of the present invention.
이하 본 발명의 목적이 구체적으로 실현될 수 있는 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 설명한다. 본 실시예를 설명함에 있어서, 동일 구성에 대해서는 동일 명칭 및 동일 부호가 사용되며 이에 따른 부가적인 설명은 생략하기로 한다.Hereinafter, preferred embodiments of the present invention in which the object of the present invention can be realized in detail will be described with reference to the accompanying drawings. In the description of the present embodiment, the same names and the same reference numerals are used for the same components, and additional descriptions thereof will be omitted.
도 1은 바늘대(20)가 구비되는 재봉틀(10)의 모습을 나타낸 도면이다.1 is a view showing a state of the sewing machine 10 provided with a needle bar 20.
도 1에 도시된 바와 같이, 상기 재봉틀(10)에는 바늘이 부착되어 있는 바늘대(20)가 구비되며, 상기 바늘대(20)는 재봉틀(10)에 형성된 바늘대 구멍(12) 내에서 작업자의 조작에 따라 상하 운동하며 바느질을 수행하게 된다. 이와 같은 재봉틀(10)의 구성은 당업자에게 자명한 사항이므로, 자세한 설명은 생략하도록 한다.As shown in Fig. 1, the sewing machine 10 is provided with a needle bar 20 to which a needle is attached, and the needle bar 20 can be operated by the operator within the needle bar hole 12 formed in the sewing machine 10. According to the vertical movement, sewing is performed. Since the configuration of the sewing machine 10 is obvious to a person skilled in the art, a detailed description will be omitted.
본 발명에서는, 상기 바늘대(20)의 상단부(30)에 자석을 구비하여, 바늘대(20)의 상하 운동을 감지할 수 있도록 함에 따라, 재봉틀(10)의 작업 정보를 정확하게 수집하고 관리할 수 있도록 한다.In the present invention, a magnet is provided on the upper end 30 of the needle bar 20 to detect the vertical movement of the needle bar 20, so that the operation information of the sewing machine 10 can be accurately collected and managed. do.
이하에서는, 이를 위한 본 발명의 바늘대 운동 감지용 센서 어셈블리에 대해 자세히 설명하도록 한다.Hereinafter, the sensor assembly for detecting movement of the needle bar according to the present invention will be described in detail.
도 2는 본 발명의 제1실시예에 따른 바늘대 운동 감지용 센서 어셈블리의 모습을 나타낸 도면이다.2 is a view showing the state of the sensor assembly for detecting the movement of the needle bar according to the first embodiment of the present invention.
도 2에 도시된 바와 같이, 본 발명의 제1실시예에 따른 바늘대 운동 감지용 센서 어셈블리는 자석(60)과, 자석 홀더(50)와, 자기센서(310)와, 와이어 홀더(100)를 포함한다.2, the sensor assembly for detecting movement of the needle bar according to the first embodiment of the present invention includes a magnet 60, a magnet holder 50, a magnetic sensor 310, and a wire holder 100. Includes.
상기 자석(60)은 재봉틀(10)에 구비되어 상하 운동하는 바늘대(20)의 상단부(30)에 구비되며, 상기 자석 홀더(50)에 의해 고정된 상태를 가진다. 즉 상기 자석(60)은 상기 자석 홀더(50)에 고정된 상태로 상기 바늘대(20)의 상하 운동과 함께 이동될 수 있다.The magnet 60 is provided on the upper end 30 of the needle bar 20 that is provided on the sewing machine 10 and moves up and down, and has a state fixed by the magnet holder 50. That is, the magnet 60 may be moved together with the vertical motion of the needle bar 20 while being fixed to the magnet holder 50.
상기 자기센서(310)는 전력 공급을 위한 와이어(300)에 의해 연결되고, 상기 재봉틀(10)에 형성된 바늘대 구멍(12)에 인접하여 구비되어, 상기 자석(60)의 상하 움직임을 감지하게 된다.The magnetic sensor 310 is connected by a wire 300 for supplying power and is provided adjacent to the needle bar hole 12 formed in the sewing machine 10 to detect the vertical movement of the magnet 60. .
구체적으로 상기 자기센서(310)는 상기 자석(60)의 자기력 변화를 이용하여 상기 자석(60) 즉, 바늘대(20)의 상하 운동을 감지할 수 있다. 그리고 작업 정보 수집 모듈(미도시)은 상기 자기센서(310)에 의해 감지된 상기 자석(60)의 상하 운동에 따른 작업 정보를 수집하도록 구성될 수 있다.Specifically, the magnetic sensor 310 may detect the vertical motion of the magnet 60, that is, the needle bar 20 by using a change in the magnetic force of the magnet 60. In addition, the work information collection module (not shown) may be configured to collect work information according to the vertical motion of the magnet 60 sensed by the magnetic sensor 310.
상기 작업 정보는 바늘대(20)의 상하 운동 횟수, 상기 바늘대(20)의 상하 운동에 따른 그 위치 정보 등으로 구성될 수 있다.The work information may be composed of the number of vertical movements of the needle bar 20, position information according to the vertical movement of the needle bar 20, and the like.
이때 바늘대(130)의 위치를 감지하는 방법은 상기 바늘대(20)가 위로 올라갈수록 상기 자기 센서(310)와 상기 바늘대(130)에 고정된 자석(60)이 가까워지게 되므로, 상기 자기 센서(310)에서 상기 자석(60)을 감지하는 위치는 바늘대 상 위치(needle bar up position)가 되고, 자기 센서(310)에서 자석(60)을 감지하지 못하는 위치는 바늘대 하 위치(needle bar down position)가 된다.At this time, the method of detecting the position of the needle bar 130 is, as the magnetic sensor 310 and the magnet 60 fixed to the needle bar 130 become closer as the needle bar 20 rises upward, the magnetic sensor 310 ), the position where the magnet 60 is sensed is a needle bar up position, and a position where the magnetic sensor 310 does not detect the magnet 60 is a needle bar down position. do.
또한 상기 작업 정보 수집 모듈은 바늘대(20)가 정지 상태인지의 여부도 판단하여 수집할 수 있다. 예컨대, 자기 센서(310)의 감지 신호가 기 설정된 시간 동안 변경이 없는 상태이면 운동 정지 상태로 판단할 수 있을 것이다.In addition, the work information collection module may also determine and collect whether the needle bar 20 is in a stopped state. For example, if the detection signal of the magnetic sensor 310 is not changed for a preset time, it may be determined as an exercise stop state.
상기 와이어 홀더(100)는 상기 자기 센서(310)와 연결된 와이어(300)를 상기 재봉틀(10)에 고정시키는 구성요소이다. 상기 자기 센서(310)는 그 특성 상 바늘대(20)의 직상부에 위치되어야 하며, 본 실시예에서는 바늘대 구멍(12)에 삽입된 상태를 가진다.The wire holder 100 is a component that fixes the wire 300 connected to the magnetic sensor 310 to the sewing machine 10. The magnetic sensor 310 must be positioned directly above the needle bar 20 due to its characteristics, and in this embodiment, it is inserted into the needle bar hole 12.
이때 상기 와이어 홀더(100)는 상기 와이어(300)를 상기 재봉틀(10)의 프레임에 고정시킬 수 있으며, 이에 따라 상기 자기 센서(310)를 상기 바늘대 구멍(12) 내의 지정된 위치에 고정시킬 수 있다.At this time, the wire holder 100 may fix the wire 300 to the frame of the sewing machine 10, thereby fixing the magnetic sensor 310 at a designated position in the needle bar hole 12. .
특히 본 실시예에서 상기 와이어 홀더(100)는 상기 바늘대 구멍(12)에 적어도 일부가 삽입된 상태로 상기 와이어(300)를 고정시키는 형태를 가진다. 이와 같은 고정 형태는 상기 와이어 홀더(100)가 점유하는 부피만큼 재봉틀(10) 내부 공간을 확보할 수 있을 경우 적용될 수 있다.In particular, in the present embodiment, the wire holder 100 has a form in which the wire 300 is fixed with at least a part inserted into the needle bar hole 12. This type of fixing can be applied when the space inside the sewing machine 10 can be secured as much as the volume occupied by the wire holder 100.
도 3은 본 발명의 제1실시예에 따른 바늘대 운동 감지용 센서 어셈블리에 있어서, 와이어 홀더(100)의 모습을 나타낸 도면이다.3 is a view showing a state of the wire holder 100 in the sensor assembly for detecting movement of the needle bar according to the first embodiment of the present invention.
도 3에 도시된 바와 같이, 본 실시예에서 상기 와이어 홀더(100)는, 헤드부(110) 및 삽입고정부(120)를 포함하며, 또한 상기 헤드부(110) 및 상기 삽입고정부(120)를 상하 관통하도록 형성되어 상기 와이어(300)가 삽입되는 고정홀(105)이 형성된다.As shown in Fig. 3, in this embodiment, the wire holder 100 includes a head part 110 and an insertion fixing part 120, and the head part 110 and the insertion fixing part 120 ) Is formed to penetrate up and down to form a fixing hole 105 into which the wire 300 is inserted.
그리고 상기 헤드부(110)는 횡단면이 제1단면적 범위를 가지며, 상기 삽입고정부(120)는 상기 헤드부(110)의 하부에 연결되되, 횡단면이 상기 제1단면적 범위보다 작은 제2단면적 범위를 가질 수 있다.In addition, the head portion 110 has a first cross-sectional area in a cross-section, and the insertion fixing portion 120 is connected to the lower portion of the head portion 110, and the cross-section is a second cross-sectional area smaller than the first cross-sectional area. Can have.
즉 상기 헤드부(110) 및 상기 삽입고정부(120)는 횡단면의 면적이 소정 범위에서 변화할 수 있으나, 상기 헤드부(110)가 상기 삽입고정부(120)보다 넓은 단면적을 가지도록 형성된다.That is, the head part 110 and the insertion fixing part 120 may have a cross-sectional area of varying within a predetermined range, but the head part 110 is formed to have a larger cross-sectional area than the insertion fixing part 120. .
그리고 본 실시예에서 상기 와이어 홀더(100)는, 상기 삽입고정부(120)가 상기 바늘대 구멍(12)에 삽입되고, 상기 헤드부(110)가 상기 재봉틀(10)의 외면에 안착된 상태로 구비될 수 있다.And in this embodiment, the wire holder 100, in a state in which the insertion fixing part 120 is inserted into the needle bar hole 12, and the head part 110 is seated on the outer surface of the sewing machine 10. It can be provided.
또한 상기 와이어 홀더(100)는 상기 헤드부(110) 및 상기 삽입고정부(120)의 일부에 개방홀(107)이 형성되어, 상기 고정홀(105)이 측 방향으로 개방된 형태를 가질 수 있다.In addition, the wire holder 100 may have an opening hole 107 formed in a part of the head portion 110 and the insertion fixing portion 120, so that the fixing hole 105 may have a shape open in the lateral direction. have.
상기 고정홀(105)은 상기 삽입고정부(120)가 상기 바늘대 구멍(12)에 삽입될 경우, 상기 바늘대 구멍(12)의 직경에 맞도록 상기 헤드부(110) 및 상기 삽입고정부(120)이 다소 변형되어 직경이 조절되도록 할 수 있으며, 이와 동시에 상기 고정홀(105)에 삽입되는 와이어(300)를 보다 압박하여 안정적으로 고정시킬 수 있도록 한다.The fixing hole 105, when the insertion fixing part 120 is inserted into the needle bar hole 12, the head part 110 and the insertion fixing part 120 to match the diameter of the needle bar hole 12 ) Is slightly deformed so that the diameter can be adjusted, and at the same time, the wire 300 inserted into the fixing hole 105 is pressed more so that it can be stably fixed.
따라서 본 실시예의 와이어 홀더(100)는 다양한 직경의 바늘대 구멍(12)에 적용이 가능하며, 또한 다양한 두께를 가지는 와이어(300)에 대응할 수 있다.Accordingly, the wire holder 100 of the present embodiment can be applied to the needle bar hole 12 of various diameters, and may also correspond to the wire 300 having various thicknesses.
그리고 상기 삽입고정부(120)의 외주면에는, 복수 개의 굴곡부가 형성될 수 있으며, 이는 상기 와이어 홀더(100)의 고정력을 보다 향상시키기 위한 것이다.In addition, a plurality of bent portions may be formed on the outer circumferential surface of the insertion fixing part 120, which is to further improve the fixing force of the wire holder 100.
본 실시예에서 하나의 굴곡부는, 각각 하나의 단턱면(122) 및 경사면(124)을 포함할 수 있다. 특히 상기 삽입고정부(120)의 최상부에 위치된 굴곡부의 경우, 나머지 굴곡부에 형성된 제1단턱면(122a)보다 면적이 넓고 라운드지게 형성된 제2단턱면(122b)을 포함한다.In this embodiment, one bent portion may include one stepped surface 122 and one inclined surface 124, respectively. Particularly, in the case of the bent portion positioned at the top of the insertion fixing portion 120, the second stepped surface 122b has a larger area than the first stepped surface 122a formed on the remaining bent portion and is rounded.
또한 본 실시예는 상기 헤드부(110) 및 상기 삽입고정부(120) 중 적어도 어느 하나의 내주면에 형성되며, 내측으로 돌출되어 상기 와이어(300)를 가압하는 가압돌기(108)를 포함할 수 있다. 본 실시예에서 상기 가압돌기(108)는 하나가 형성되는 것으로 하였으나, 이와 달리 상기 가압돌기(108)는 복수 개가 형성될 수도 있음은 물론이다.In addition, the present embodiment may include a pressing protrusion 108 formed on an inner circumferential surface of at least one of the head unit 110 and the insertion fixing unit 120 and protruding inward to press the wire 300. have. In the present embodiment, it is assumed that one pressing protrusion 108 is formed, but unlike this, a plurality of the pressing protrusions 108 may be formed.
도 4는 본 발명의 제1실시예에 따른 바늘대 운동 감지용 센서 어셈블리에 있어서, 자석(60) 및 자석 홀더(50)의 모습을 나타낸 도면이다.4 is a view showing the state of the magnet 60 and the magnet holder 50 in the sensor assembly for detecting the movement of the needle bar according to the first embodiment of the present invention.
도 4에 도시된 바와 같이, 본 실시예는 상기 바늘대(20)의 상단부(30)에 형성된 삽입홈에 삽입된 상태로 구비되어 상기 자석(60)을 고정시키는 자석 홀더(50)를 더 포함한다.As shown in Figure 4, the present embodiment further includes a magnet holder 50 provided in a state inserted into the insertion groove formed in the upper end 30 of the needle bar 20 to fix the magnet 60. .
본 실시예에서 상기 자석 홀더(50)의 내측에는 상부가 개구된 수용공간(52)이 형성되어, 상기 수용공간(52)에 상기 자석이 수용될 수 있다. 특히 본 실시예의 경우, 상기 자석(60)은 원기둥 형태로 형성되고, 상기 수용공간(52)은 상기 자석(60)에 대응되는 형태를 가지도록 형성된다.In this embodiment, an accommodation space 52 with an open top is formed inside the magnet holder 50, so that the magnet may be accommodated in the accommodation space 52. In particular, in the case of this embodiment, the magnet 60 is formed in a cylindrical shape, and the receiving space 52 is formed to have a shape corresponding to the magnet 60.
그리고 상기 자석 홀더(50)의 내주면에는, 내측으로 돌출되어 상기 자석(60)을 가압하여 고정시키는 내측돌기(56)가 형성될 수 있으며, 상기 자석 홀더(50)의 외주면에는, 외측으로 돌출되어 상기 바늘대(20)의 상단부(30)에 형성된 삽입홈의 내주면을 가압함에 따라 상기 자석 홀더(50) 자체가 안정적으로 고정된 상태를 가질 수 있도록 하는 외측돌기(54)가 형성될 수 있다.In addition, an inner protrusion 56 may be formed on the inner circumferential surface of the magnet holder 50 to pressurize and fix the magnet 60, and protrude outwardly on the outer circumferential surface of the magnet holder 50. As the inner circumferential surface of the insertion groove formed in the upper end portion 30 of the needle bar 20 is pressed, an outer protrusion 54 that allows the magnet holder 50 itself to have a stably fixed state may be formed.
이때 상기 내측돌기(56) 및 상기 외측돌기(54)의 개수 및 형태는 다양하게 형성될 수 있을 것이다.At this time, the number and shape of the inner protrusion 56 and the outer protrusion 54 may be variously formed.
이상으로 본 발명의 제1실시예에 대해 설명하였으며, 전술한 바와 같이 본 실시예는 상기 와이어 홀더(100)가 상기 바늘대 구멍(12)에 적어도 일부가 삽입된 상태로 상기 와이어(300)를 고정시키는 형태를 가진다.The first embodiment of the present invention has been described above, and as described above, in this embodiment, the wire 300 is fixed in a state in which at least a part of the wire holder 100 is inserted into the needle bar hole 12. It has a form to let you know.
이하에서는, 재봉틀(10) 내부에 상기 와이어 홀더(100)의 일부가 삽입될 수 있는 내부 공간이 확보되지 않을 경우의 실시예에 대해 설명하도록 한다.Hereinafter, an embodiment in which an internal space in which a part of the wire holder 100 can be inserted into the sewing machine 10 is not secured will be described.
도 5 내지 도 7은 본 발명의 제2실시예에 따른 바늘대 운동 감지용 센서 어셈블리의 모습을 나타낸 도면이다.5 to 7 are views showing the state of the sensor assembly for detecting the movement of the needle bar according to the second embodiment of the present invention.
도 5 내지 도 7에 도시된 본 발명의 제2실시예의 경우, 와이어 홀더(100), 자석(60) 및 자석 홀더(50)는 전술한 제1실시예와 동일한 형태로 형성된다.In the case of the second embodiment of the present invention shown in FIGS. 5 to 7, the wire holder 100, the magnet 60, and the magnet holder 50 are formed in the same shape as the first embodiment described above.
다만, 본 발명의 제2실시예는 재봉틀(10) 내부에 상기 와이어 홀더(100)의 일부가 삽입될 수 있는 내부 공간이 확보되지 않을 경우 사용하는 홀더 서포터(200)를 더 포함한다.However, the second embodiment of the present invention further includes a holder supporter 200 used when an internal space in which a part of the wire holder 100 can be inserted is not secured in the sewing machine 10.
상기 홀더 서포터(200)는 상기 바늘대 구멍(12)의 위치에 대응되도록 상기 재봉틀(10) 외면에 고정되어, 상기 와이어 홀더(100)를 상기 재봉틀(10)의 외부에서 고정시키는 구성요소이다.The holder supporter 200 is a component that is fixed to the outer surface of the sewing machine 10 so as to correspond to the position of the needle bar hole 12, and fixes the wire holder 100 from the outside of the sewing machine 10.
도 5 내지 도 7에 도시된 바와 같이, 상기 홀더 서포터(200)는 상기 와이어 홀더(100)가 안착되는 홀더삽입부(210)와, 상기 홀더고정부(210)를 상기 재봉틀(10)의 외면에 고정시키는 서포트부(220)를 포함한다.5 to 7, the holder supporter 200 includes a holder insertion part 210 on which the wire holder 100 is seated, and the holder fixing part 210 on the outer surface of the sewing machine 10. It includes a support portion 220 to be fixed to.
그리고 상기 홀더 서포터(200)는 상기 홀더삽입부(210) 및 상기 서포트부(220)를 상하 관통하도록 형성되어, 상기 와이어 홀더(100)의 적어도 일부가 삽입되는 안착홀(205)을 가진다.In addition, the holder supporter 200 is formed to vertically penetrate the holder insertion portion 210 and the support portion 220, and has a seating hole 205 into which at least a portion of the wire holder 100 is inserted.
즉 상기 안착홀(205)은 상기 바늘대 구멍(12)과 연통되어 상기 바늘대 구멍(12)을 연장시키는 역할을 수행할 수 있으며, 이에 따라 상기 홀더 서포터(200)는 재봉틀(10) 내부에 상기 와이어 홀더(100)의 일부가 삽입될 수 있는 내부 공간이 확보되지 않을 경우에도 상기 와이어 홀더(100)를 고정시킬 수 있다.That is, the seating hole 205 may serve to extend the needle bar hole 12 by communicating with the needle bar hole 12, and accordingly, the holder supporter 200 is provided with the wire inside the sewing machine 10. The wire holder 100 may be fixed even when an inner space into which a part of the holder 100 can be inserted is not secured.
보다 구체적으로 본 실시예에서 상기 홀더 서포터(200)의 상기 홀더삽입부(210)는 내주면이 상기 와이어 홀더(100)의 삽입고정부(120)의 외주면에 대응되는 형상을 가지도록 형성된다.More specifically, in this embodiment, the holder insertion part 210 of the holder supporter 200 is formed such that its inner circumferential surface has a shape corresponding to the outer circumferential surface of the insertion fixing part 120 of the wire holder 100.
상기 홀더삽입부(210)의 내주면에는, 상기 삽입고정부(120)의 서로 인접한 굴곡부 사이, 즉 제1단턱면(122a)과 경사면(124) 사이의 함몰된 영역에 끼워지는 제1고정돌기(212)와, 상기 제1단턱면(122a)보다 면적이 넓고 라운드지게 형성된 제2단턱면(122b)에 삽입되는 제2고정돌기(214)가 형성된다. 이에 따라 상기 삽입고정부(120)는 상기 홀더삽입부(210) 내에 안정적으로 고정될 수 있다.On the inner circumferential surface of the holder insertion portion 210, a first fixing protrusion fitted between adjacent bent portions of the insertion fixing portion 120, that is, a recessed area between the first stepped surface 122a and the inclined surface 124 ( 212), and a second fixing protrusion 214 inserted into the second stepped surface 122b having an area larger than that of the first stepped surface 122a and formed to be rounded is formed. Accordingly, the insertion fixing part 120 may be stably fixed in the holder insertion part 210.
그리고 본 실시예에서 상기 홀더 서포터(200)의 상기 서포트부(220)는, 상기 홀더삽입부(210)로부터 방사형으로 소정 길이 연장되어 상기 재봉틀(10)의 외면에 면접촉되는 하나 이상의 연장부(222)를 포함할 수 있다.And in the present embodiment, the support part 220 of the holder supporter 200 extends a predetermined length radially from the holder insertion part 210 and is in surface contact with the outer surface of the sewing machine 10 ( 222).
본 실시예에서 상기 연장부(222)는 두 개가 서로 약 90° 각도를 이루며 방사형으로 연장된 형태를 가지나, 상기 연장부(222)의 개수, 길이 및 형태는 다양하게 이루어질 수 있을 것이다.In the present embodiment, the two extension portions 222 form a radially extending form at an angle of about 90° to each other, but the number, length, and shape of the extension portions 222 may be variously formed.
또한 상기 연장부(222)에는, 별도의 체결부재 등을 사용해 상기 홀더 서포터(220)를 상기 재봉틀(10)에 체결시킬 수 있도록 하는 체결홀(223)이 형성될 수 있다.In addition, a fastening hole 223 for fastening the holder supporter 220 to the sewing machine 10 using a separate fastening member or the like may be formed in the extension part 222.
이상과 같이 본 발명에 따른 바람직한 실시예를 살펴보았으며, 앞서 설명된 실시예 이외에도 본 발명이 그 취지나 범주에서 벗어남이 없이 다른 특정 형태로 구체화될 수 있다는 사실은 해당 기술에 통상의 지식을 가진 이들에게는 자명한 것이다. 그러므로, 상술된 실시예는 제한적인 것이 아니라 예시적인 것으로 여겨져야 하고, 이에 따라 본 발명은 상술한 설명에 한정되지 않고 첨부된 청구항의 범주 및 그 동등 범위 내에서 변경될 수도 있다.As described above, preferred embodiments according to the present invention have been examined, and the fact that the present invention can be embodied in other specific forms without departing from its spirit or scope other than the above-described embodiments is known to those skilled in the art. It is self-evident to them. Therefore, the above-described embodiments are to be regarded as illustrative rather than restrictive, and accordingly, the present invention is not limited to the above description and may be modified within the scope of the appended claims and their equivalents.

Claims (13)

  1. 재봉틀에 구비되어 상하 운동하는 바늘대의 상단부에 구비되는 자석;A magnet provided at the upper end of the needle bar that is provided on the sewing machine and moves up and down;
    전력 공급을 위한 와이어에 의해 연결되고, 상기 재봉틀에 형성된 바늘대 구멍에 인접하여 구비되어, 상기 자석의 움직임을 감지하는 자기센서; 및A magnetic sensor connected by a wire for power supply and provided adjacent to the needle bar hole formed in the sewing machine, and configured to detect movement of the magnet; And
    상기 와이어를 상기 재봉틀에 고정시키는 와이어 홀더;A wire holder fixing the wire to the sewing machine;
    를 포함하는 바늘대 운동 감지용 센서 어셈블리.A sensor assembly for detecting movement of a needle bar comprising a.
  2. 제1항에 있어서,The method of claim 1,
    상기 와이어 홀더는 상기 바늘대 구멍에 적어도 일부가 삽입된 상태로 상기 와이어를 고정시키는 바늘대 운동 감지용 센서 어셈블리.The wire holder is a sensor assembly for detecting movement of the needle bar to fix the wire with at least a part inserted into the hole of the needle bar.
  3. 제1항에 있어서,The method of claim 1,
    상기 와이어 홀더는,The wire holder,
    횡단면이 제1단면적 범위를 가지는 헤드부; 및A head portion whose cross section has a first cross-sectional area; And
    상기 헤드부의 하부에 연결되며, 횡단면이 상기 제1단면적 범위보다 작은 제2단면적 범위를 가지는 삽입고정부;An insertion fixing part connected to the lower part of the head and having a second cross-sectional area that is smaller than the first cross-sectional area;
    를 포함하며,Including,
    상기 헤드부 및 상기 삽입고정부를 상하 관통하도록 형성되어 상기 와이어가 삽입되는 고정홀을 가지는 바늘대 운동 감지용 센서 어셈블리.A sensor assembly for detecting movement of a needle bar having a fixing hole formed to vertically penetrate the head part and the insertion fixing part and into which the wire is inserted.
  4. 제3항에 있어서,The method of claim 3,
    상기 와이어 홀더는,The wire holder,
    상기 헤드부 및 상기 삽입고정부의 일부에 개방홀이 형성되어, 상기 고정홀이 측 방향으로 개방된 형태를 가지는 바늘대 운동 감지용 센서 어셈블리.A sensor assembly for detecting movement of a needle bar having an opening hole formed in a portion of the head portion and the insertion fixing portion so that the fixing hole is opened in a lateral direction.
  5. 제3항에 있어서,The method of claim 3,
    상기 삽입고정부의 외주면에는 복수 개의 굴곡부가 형성된 바늘대 운동 감지용 센서 어셈블리.A sensor assembly for detecting movement of a needle bar having a plurality of bent portions formed on the outer circumferential surface of the insertion fixing portion.
  6. 제3항에 있어서,The method of claim 3,
    상기 헤드부 및 상기 삽입고정부 중 적어도 어느 하나의 내주면에는, 내측으로 돌출되어 상기 와이어를 가압하는 가압돌기가 형성된 바늘대 운동 감지용 센서 어셈블리.A sensor assembly for detecting movement of a needle bar on an inner circumferential surface of at least one of the head portion and the insertion fixing portion, having a pressing protrusion protruding inwardly and pressing the wire.
  7. 제1항에 있어서,The method of claim 1,
    상기 바늘대의 상단부에 구비되어 상기 자석을 고정시키는 자석 홀더를 더 포함하는 바늘대 운동 감지용 센서 어셈블리.A sensor assembly for detecting movement of a needle bar further comprising a magnet holder provided at an upper end of the needle bar to fix the magnet.
  8. 제7항에 있어서,The method of claim 7,
    상기 자석 홀더의 내측에는 상부가 개구된 수용공간이 형성되어, 상기 수용공간에 상기 자석이 수용되는 바늘대 운동 감지용 센서 어셈블리.A sensor assembly for detecting movement of a needle bar in which a receiving space with an open top is formed inside the magnet holder, and the magnet is accommodated in the receiving space.
  9. 제8항에 있어서,The method of claim 8,
    상기 자석 홀더의 내주면에는, 내측으로 돌출되어 상기 자석을 고정시키는 내측돌기가 형성된 바늘대 운동 감지용 센서 어셈블리.A sensor assembly for detecting movement of a needle bar on an inner circumferential surface of the magnet holder, having an inner protrusion protruding inward to fix the magnet.
  10. 제7항에 있어서,The method of claim 7,
    상기 자석 홀더의 외주면에는, 외측으로 돌출된 외측돌기가 형성된 바늘대 운동 감지용 센서 어셈블리.A sensor assembly for detecting movement of a needle bar having an outer protrusion protruding outward on the outer circumferential surface of the magnet holder.
  11. 제1항에 있어서,The method of claim 1,
    상기 바늘대 구멍의 위치에 대응되도록 상기 재봉틀 외면에 고정되며, 상기 와이어 홀더를 상기 재봉틀의 외부에서 고정시키는 홀더 서포터를 더 포함하는 바늘대 운동 감지용 센서 어셈블리.A sensor assembly for detecting movement of a needle bar further comprising a holder supporter that is fixed to an outer surface of the sewing machine so as to correspond to the position of the needle bar hole, and fixes the wire holder from the outside of the sewing machine.
  12. 제11항에 있어서,The method of claim 11,
    상기 홀더 서포터는,The holder supporter,
    상기 와이어 홀더가 안착되는 홀더삽입부; 및A holder insertion portion into which the wire holder is seated; And
    상기 홀더고정부를 상기 재봉틀의 외면에 고정시키는 서포트부;A support part fixing the holder fixing part to the outer surface of the sewing machine;
    를 포함하며,Including,
    상기 홀더삽입부 및 상기 서포트부를 상하 관통하도록 형성되어 상기 와이어 홀더의 적어도 일부가 삽입되는 안착홀을 가지는 바늘대 운동 감지용 센서 어셈블리.A sensor assembly for detecting movement of a needle bar having a seating hole formed to vertically penetrate the holder insertion portion and the support portion and into which at least a portion of the wire holder is inserted.
  13. 제1항 내지 제12항 중 어느 한 항의 바늘대 운동 감지용 센서 어셈블리를 포함하는 재봉틀.A sewing machine comprising a sensor assembly for detecting motion of a needle bar according to any one of claims 1 to 12.
PCT/KR2020/011152 2019-08-23 2020-08-21 Sensor assembly for sensing movements of needle bar and sewing machine comprising same WO2021040323A1 (en)

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KR10-2019-0103420 2019-08-23
KR1020190103420A KR102130413B1 (en) 2019-08-23 2019-08-23 Sensor Assembly for Motion Detecting of Needle Bar and Sewing Machine Having the Same

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KR102130413B1 (en) * 2019-08-23 2020-07-07 아리인포테크 주식회사 Sensor Assembly for Motion Detecting of Needle Bar and Sewing Machine Having the Same

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JPH051471U (en) * 1991-06-21 1993-01-14 ジユーキ株式会社 Needle bar for sewing equipment
JPH0671079A (en) * 1992-08-27 1994-03-15 Brother Ind Ltd Needle stop position controller of sewing machine
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