WO2013094996A2 - Method for setting reference operation value of thread tension control device and method for displaying thread tension of sewing machine - Google Patents

Method for setting reference operation value of thread tension control device and method for displaying thread tension of sewing machine Download PDF

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Publication number
WO2013094996A2
WO2013094996A2 PCT/KR2012/011149 KR2012011149W WO2013094996A2 WO 2013094996 A2 WO2013094996 A2 WO 2013094996A2 KR 2012011149 W KR2012011149 W KR 2012011149W WO 2013094996 A2 WO2013094996 A2 WO 2013094996A2
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WIPO (PCT)
Prior art keywords
mounting force
thread tension
operating value
actuator
value
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PCT/KR2012/011149
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French (fr)
Korean (ko)
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WO2013094996A3 (en
Inventor
박인철
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주식회사 썬스타
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Priority to CN201280070262.4A priority Critical patent/CN104126042A/en
Publication of WO2013094996A2 publication Critical patent/WO2013094996A2/en
Publication of WO2013094996A3 publication Critical patent/WO2013094996A3/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
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B19/00—Programme-controlled sewing machines
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B47/00—Needle-thread tensioning devices; Applications of tensometers
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B47/00—Needle-thread tensioning devices; Applications of tensometers
    • D05B47/04—Automatically-controlled tensioning devices

Definitions

  • the present invention relates to a mounting force adjusting device of a sewing machine, and in particular, a method of setting a reference operating value that enables an operator to uniformly apply the actuator reference operating value of the mounting force adjusting device uniformly in all sewing machines when adjusting the mounting force. It relates to a method of displaying the mounting force of the sewing machine used.
  • the thread tension adjusting device is installed in the sewing machine or the embroidery machine.
  • This thread tension adjusting device adjusts the tension applied to the thread, for example, by adjusting the pressing force of the pair of thread adjusting dishes or the amount of pulling of the thread pulling device orthogonal on the path of the thread.
  • the drive of the thread adjusting dish and the pull device uses an actuator such as a motor or a solenoid and adjusts the mounting force by setting an operating value of the actuator.
  • the standard mounting force of the mounting force adjusting device In the sewing machine or the embroidery machine, the standard mounting force of the mounting force adjusting device must be uniformly maintained in all sewing machines.
  • the thread tension adjusting device is to set the thread tension in stages from 0, so if the standard mounting force of the two products, that is, the reference mounting force in the "zero stage" is different, use the product. It can be confusing to consumers.
  • This problem may be more pronounced in products such as embroidery machines which use multiple threads and have to adjust tension for each thread.
  • the present invention has been made to solve the above problems, and provides a reference operating value setting method for comparing the reference mounting force and the measured mounting force when adjusting the thread tension and setting the reference operating value of the actuator according to the comparison result. It is for that purpose.
  • Another object of the present invention is to provide a mounting force display method of a sewing machine which displays the reference mounting force and the actual mounting force by comparing the reference operating value of the set actuator with the measured operating value of the actuator.
  • the calculating of the difference may further include displaying the calculated difference using a display device.
  • the method may further include: setting an initial operation value with reference to preset operation values for a plurality of products;
  • the method may further include downloading the initial operation value to a product for setting a reference mounting force.
  • the mounting force display method of the sewing machine according to the present invention for achieving the above another object is
  • the reference operating value and the measured operating value may be displayed so as to correspond to the reference mounting force and the actual mounting force.
  • the standard mounting force of the thread tension adjusting device of the sewing machine or the embroidery machine that is shipped can be uniformly maintained.
  • the management cost for managing assembly tolerances and component errors can be reduced, thereby reducing the cost of the product.
  • FIG. 1 is a flow chart showing a reference mounting force setting method of a thread tension adjusting device according to the present invention.
  • FIG. 2 shows a configuration of an apparatus for a reference set value control method according to the present invention.
  • FIG. 3 shows a mounting force display method of the sewing machine according to the present invention.
  • control unit 208 display unit
  • the reference mounting force setting method of the mounting force adjusting device includes a thread tension measuring process (s106) for measuring a mounting force determined by an actuator operating value of a thread tension adjusting device, the reference mounting force and the thread tension measuring device. Calculating a difference value from the mounting force measured by step s108 and setting the reference operating value of the actuator of the mounting force adjusting device so that the measured mounting force coincides with the reference mounting force with reference to the difference value. Process (s110).
  • the reference mounting force refers to a mounting force set when a standard thread is mounted and a thread tension adjusting device is set as a basic step, for example, a mounting force set based on a sewing machine or an embroidery machine.
  • the value refers to the operating value applied to the actuator driving the thread tension control device to obtain this reference mounting force.
  • FIG. 1 is a flowchart showing a method of setting a reference operating value of a thread tension adjusting device according to the present invention.
  • the reference mounting force is stored in the memory.
  • the reference mounting force may be an optimal mounting force that should be set when the standard seal is mounted and based on the adjustment step of the mounting force adjusting device. .
  • the reference mounting force may be downloaded from the central control unit while the product equipped with the mounting force adjusting device is connected to the central control unit online.
  • the operating value may be a value of voltage / current applied to the motor or solenoid driving the actuator.
  • the mounting force setting mode Prior to shipping the sewing machine or the embroidery machine (hereinafter referred to as sewing machine), the mounting force setting mode is activated. (S104)
  • the mounting force setting mode may be activated after the thread tension control device is assembled to the sewing machine.
  • the actual mounting force is measured by the mounting force measuring device while changing the operating value applied to the actuator of the mounting force adjusting device (s106).
  • the controller calculates a difference value between the reference mounting force read from the memory and the mounting force measured by the mounting force measuring device and controls the display device to display the difference between the mounting force and the mounting force.
  • the operator can set the actuator's operating value while referring to the difference value displayed through the display device, and set the actuator's reference operating value so that the reference mounting force and the measured mounting force coincide with each other, that is, the difference value is "0". Can be set. (S110)
  • the operator simply changes the operating value of the thread tension control device and stops changing the operating value when the difference value becomes "0" through the display device and changes the operating value to the reference operating value of the corresponding thread tension control device. Set it.
  • FIG. 2 shows a configuration of an apparatus for a reference set value control method according to the present invention.
  • an apparatus for setting a reference mounting force includes a memory 202, a mounting force measuring device 204, a controller 206, and a display device 208.
  • the memory 202 stores the reference mounting force, and reads the reference mounting force stored therein in response to a request of the controller 206 and provides the reference mounting force to the controller 206.
  • the mounting force measuring device 204 measures the actual mounting force applied to the yarn, and provides the measured mounting force to the controller 206.
  • the controller 206 inputs the reference mounting force read from the memory 202 and the measured mounting force provided by the mounting force measuring device 204, calculates a difference between them, and displays the calculated difference value. Provided at 208.
  • the display device 208 displays the difference value provided by the controller 206.
  • the operating value applied at that time is stored in the memory 202 as the reference operating value of the product. Storing the reference operating value in the memory 202 may be performed automatically by the controller 202 or may be performed by an operator's setting command.
  • the reference operating values applied to the individual sewing machines can be collected and the initial operating values for the product family can be set with reference to their average and standard deviation.
  • These initial operating values are basically values that fall within the average margin of error with respect to the reference operating values to be set individually for the product.
  • the central control unit may download necessary initial setting values according to the type of sewing machine to the corresponding machine.
  • FIG. 3 shows a mounting force display method of the sewing machine according to the present invention.
  • the reference operating value of the actuator corresponding to the reference mounting force is stored in a memory (not shown) of the sewing machine.
  • This reference operating value may be stored by a method of determining a reference operating value of an actuator corresponding to a reference mounting force and storing it in a memory of the sewing machine, as shown in FIG. 1, before the sewing machine is shipped.
  • the control unit (not shown) of the sewing machine reads the reference operating value from the memory (s302).
  • the controller of the sewing machine measures the actual operating value of the actuator (s304).
  • the control unit of the sewing machine displays the mounting force with reference to the reference operating value and the actual operating value.
  • the sewing machine displays the mounting force using the actual operating value based on the reference operating value read from the memory. That is, the reference operating value is displayed as "0", the difference between the actual operating value and the reference operating value is calculated, and the actual operating value is set to "+” or "+” corresponding to the calculated difference. Display.
  • the mounting force can be displayed by setting a scale such that a difference between the reference operating value and the actual operating value is proportional to the difference between the reference mounting force and the actual mounting force.
  • the user can easily recognize the difference between the reference mounting force and the actual mounting force.
  • the reference operating value is the operating value of the actuator set to correspond to the standard mounting force and is applied uniformly across all the sewing machines, the mounting force of all the sewing machines can be displayed uniformly and accurately against the constant reference mounting force. Will be.
  • the actual mounting force is proportional to the actuator's operating value
  • the actual mounting force can be accurately displayed relative to the reference mounting force by setting the scale of the scale to correspond to the proportional relationship.
  • the proportional relationship between the operating value of the actuator and the actual mounting force can be accurately predicted by the control mechanism of the actuator, for example, the proportional integration method or the like.
  • the method of setting the reference operating value of the thread tension adjusting device since the difference between the reference mounting force and the measured mounting force is displayed through the display device 208 in the thread tension control mode, the operator The reference operating value of the actuator of the mounting force control device corresponding to the reference mounting force can be set quickly and optimally.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

Disclosed is a method for setting a reference operation value of a thread tension control device. The method for setting a reference operation value of a thread tension control device comprises: a thread tension measuring step of measuring a thread tension determined by an actuator operation value of the thread tension control device with a thread tension measurement device; a step of calculating a difference value between a reference thread tension and the thread tension measured by the thread tension measurement device; and a step of setting a reference operation value of an actuator of the thread tension control device by referring to the difference value so that the measured thread tension matches the reference thread tension.

Description

실 장력 조절 장치의 기준 작동값 설정 방법 및 재봉기의 실장력 표시 방법How to set standard operation value of thread tension control device and how to display sewing force of sewing machine
본 발명은 재봉기의 실장력 조절 장치에 관한 것으로서, 특히 실장력 조절시 작업자가 실장력 조절 장치의 액튜에이터 기준 작동값을 모든 재봉기에 있어서 일률적으로 동일하게 적용할 수 있게 하는 기준 작동값 설정 방법 및 이를 이용한 재봉기의 실장력 실장력 표시 방법에 관한 것이다.The present invention relates to a mounting force adjusting device of a sewing machine, and in particular, a method of setting a reference operating value that enables an operator to uniformly apply the actuator reference operating value of the mounting force adjusting device uniformly in all sewing machines when adjusting the mounting force. It relates to a method of displaying the mounting force of the sewing machine used.
재봉기나 자수기에 있어서 바늘에 공급되는 윗실과 감지 장치에 공급되는 적절한 장력을 부여할 필요가 있으며, 이를 위해 재봉기나 자수기에는 실 장력 조절 장치가 설치되어 있다. In the sewing machine or embroidery machine, it is necessary to give the upper thread supplied to the needle and the appropriate tension supplied to the sensing device. For this purpose, the thread tension adjusting device is installed in the sewing machine or the embroidery machine.
이러한 실 장력 조절 장치는 예를 들어, 한 쌍의 실 조절 접시의 가압력을 조절하거나 실의 경로 상에 직교하는 실당김 장치의 당김량을 조절함에 의해 실에 부여되는 장력을 조절하고 있다.This thread tension adjusting device adjusts the tension applied to the thread, for example, by adjusting the pressing force of the pair of thread adjusting dishes or the amount of pulling of the thread pulling device orthogonal on the path of the thread.
실 조절 접시 및 실당김 장치의 구동은 모터나 솔레이노드와 같은 액튜에이터를 사용하며, 액튜에이터의 작동값을 설정함에 의해 실장력을 조절한다. The drive of the thread adjusting dish and the pull device uses an actuator such as a motor or a solenoid and adjusts the mounting force by setting an operating value of the actuator.
출고되는 재봉기나 자수기에 있어서 실장력 조절 장치의 기준 실장력이 모든 재봉기들에 있어서 일률적으로 동일하게 유지되어야 한다. In the sewing machine or the embroidery machine, the standard mounting force of the mounting force adjusting device must be uniformly maintained in all sewing machines.
일반적으로, 실 장력 조절 장치는 0에서부터 단계적으로 실 장력을 설정하도록 되어 있으므로, 만일, 두 제품에 있어서 기준이 되는 실장력 즉, "0단계"에서의 기준 실장력이 서로 다르게 되면, 제품을 사용하는 소비자에게 혼돈을 초래할 수 있다.In general, the thread tension adjusting device is to set the thread tension in stages from 0, so if the standard mounting force of the two products, that is, the reference mounting force in the "zero stage" is different, use the product. It can be confusing to consumers.
예를 들어, 두 대의 제품에 있어서 기준 실장력이 서로 다르다면, 동일한 종류의 실을 사용함에도 불구하고 어떤 제품에서는 2단계의 조절치를 부여하여야 정상적인 실장력이 얻어지고 다른 제품에서는 3단계의 조절치를 부여하여야 정상적인 실장력이 얻어진다고 하면, 제품에 대한 신뢰성이 확보될 수 없다.For example, if the standard mounting forces of two products are different, in some products two levels of adjustment should be given, even though the same type of thread is used, and the normal mounting force is obtained, while the other products have three levels of adjustment. If the normal mounting force is obtained only by the provision, reliability of the product cannot be secured.
다수의 실을 사용하며, 각각의 실에 대하여 장력을 조절하여야 하는 자수기와 같은 제품에서는 이러한 문제점이 더욱 두드러질 수 있다. This problem may be more pronounced in products such as embroidery machines which use multiple threads and have to adjust tension for each thread.
이에 따라 제품의 출고시 동일한 종류의 제품들은 "0단계'에서 동일한 기준 실장력을 가질 수 있도록 설정되어야 한다. Accordingly, the same kind of products at the time of shipment should be set to have the same reference mounting force in "zero phase".
이러한 조건을 만족시키기 위해서는 실장력 조절 장치의 조립 공차 및 부품 자체의 오차들이 매우 엄격하게 관리되어야 하지만, 이로 인하여 관리 비용이 증가되고 제품의 코스트가 상승하는 등의 문제점을 안고 있다.In order to satisfy these conditions, the mounting tolerances of the mounting force adjusting device and the errors of the parts themselves must be very strictly managed, but this causes problems such as an increase in management cost and a cost of a product.
본 발명은 상기의 문제점을 해결하기 위하여 안출된 것으로서, 실 장력 조절시 기준 실장력과 측정된 실장력을 비교하고 비교 결과에 따라 액튜에이터의 기준 작동값을 설정할 수 있게 하는 기준 작동값 설정 방법을 제공하는 것을 그 목적으로 한다.The present invention has been made to solve the above problems, and provides a reference operating value setting method for comparing the reference mounting force and the measured mounting force when adjusting the thread tension and setting the reference operating value of the actuator according to the comparison result. It is for that purpose.
본 발명의 다른 목적은 설정된 액튜에이터의 기준 작동값과 액튜에이터의 측정된 작동값을 비교하여 기준 실장력과 실제의 실장력을 표시하는 재봉기의 실장력 표시 방법을 제공하는 것에 있다.Another object of the present invention is to provide a mounting force display method of a sewing machine which displays the reference mounting force and the actual mounting force by comparing the reference operating value of the set actuator with the measured operating value of the actuator.
상기의 목적을 달성하는 본 발명에 따른 기준 작동값 설정 방법은 The reference operating value setting method according to the present invention for achieving the above object is
기준 실장력에 상응하는 실장력 조절 장치의 액튜레이터 기준 작동값을 설정하는 방법에 있어서,In the method for setting the actuator reference operating value of the mounting force adjustment device corresponding to the reference mounting force,
실 장력 조절 장치의 액튜에이터 작동값에 의해 결정되는 실장력을 측정하는 실 장력 측정 과정;A thread tension measuring process of measuring a mounting force determined by an actuator operating value of a thread tension adjusting device;
기준 실장력과 상기 실 장력 측정 장치에 의해 측정된 실장력과의 차이값을 산출하는 과정; 및Calculating a difference value between a reference mounting force and a mounting force measured by the thread tension measuring device; And
상기 차이값을 참조하여 상기 측정된 실장력이 상기 기준 실장력에 합치하도록 실장력 조절 장치의 액튜에이터의 기준 작동값을 설정하는 과정Setting a reference operating value of an actuator of the mounting force adjusting device such that the measured mounting force coincides with the reference mounting force with reference to the difference value
을 포함하는 것을 특징으로 한다.Characterized in that it comprises a.
여기서, 상기 차이값을 산출하는 과정은 산출된 차이값을 디스플레이 장치를 통하여 디스플레이하는 과정을 더 구비하는 것이 바람직하다.The calculating of the difference may further include displaying the calculated difference using a display device.
또한, 복수의 제품에 대하여 기 설정된 작동값들을 참조하여 초기 작동값을 설정하는 과정; 및The method may further include: setting an initial operation value with reference to preset operation values for a plurality of products; And
상기 초기 작동값을 기준 실장력을 설정할 제품에 다운로드하는 과정;을 더 포함하는 것이 바람직하다.The method may further include downloading the initial operation value to a product for setting a reference mounting force.
상기의 다른 목적을 달성하기 위한 본 발명에 따른 재봉기의 실장력 표시 방법은The mounting force display method of the sewing machine according to the present invention for achieving the above another object is
기준 실장력에 합치하도록 조정된 실장력 조절 장치의 액튜에이터의 기준 작동값을 읽어내는 과정; 및Reading a reference operating value of an actuator of the mounting force adjusting device adjusted to match the reference mounting force; And
상기 액튜에이터의 기준 작동값과 측정된 액튜에이터의 작동값을 비교하여 표시하는 과정;Comparing and displaying a reference operating value of the actuator and a measured operating value of the actuator;
을 포함하며,Including;
여기서, 상기 기준 작동값 및 측정된 작동값이 기준 실장력과 실제의 실장력에 상응하도록 표시하는 것을 특징으로 한다.Here, the reference operating value and the measured operating value may be displayed so as to correspond to the reference mounting force and the actual mounting force.
본 발명에 따른 기준 실장력 설정 방법에 의하면, 조립 공차나 부품 자체의 오차가 있더라도 출고되는 재봉기나 자수기의 실 장력 조절 장치의 기준 실장력을 일률적으로 동일하게 유지시킬 수 있으므로, 실 장력 제어 장치의 조립 공차 및 부품 오차를 관리하기 위한 관리 비용을 줄이고 이로 인하여 제품의 코스트를 저감시킬 수 있는 효과를 갖는다.According to the method of setting the standard mounting force according to the present invention, even if there is an assembly tolerance or an error of the part itself, the standard mounting force of the thread tension adjusting device of the sewing machine or the embroidery machine that is shipped can be uniformly maintained. The management cost for managing assembly tolerances and component errors can be reduced, thereby reducing the cost of the product.
도 1은 본 발명에 따른 실 장력 조절 장치의 기준 실장력 설정 방법을 보이는 흐름도이다.1 is a flow chart showing a reference mounting force setting method of a thread tension adjusting device according to the present invention.
도 2는 본 발명에 따른 기준 설정값 제어 방법을 위한 장치의 구성을 도시한다. 2 shows a configuration of an apparatus for a reference set value control method according to the present invention.
도 3은 본 발명에 따른 재봉기의 실장력 표시 방법을 도시한다.3 shows a mounting force display method of the sewing machine according to the present invention.
***도면에 도시된 부호의 간단한 설명****** Brief description of symbols shown in the drawings ***
202...메모리 204...실장력 측정 장치202 Memory 204 Mounting force measuring device
206...제어부 208...디스플레이 장치206 control unit 208 display unit
본 발명에 따른 실장력 조절 장치의 기준 실장력 설정 방법은 실 장력 조절 장치의 액튜에이터 작동값에 의해 결정되는 실장력을 측정하는 실 장력 측정 과정(s106), 상기 기준 실장력과 상기 실 장력 측정 장치에 의해 측정된 실장력과의 차이값을 산출하는 과정(s108) 및 상기 차이값을 참조하여 상기 측정된 실장력이 상기 기준 실장력에 합치하도록 실장력 조절 장치의 액튜에이터의 기준 작동값을 설정하는 과정(s110)을 포함한다.The reference mounting force setting method of the mounting force adjusting device according to the present invention includes a thread tension measuring process (s106) for measuring a mounting force determined by an actuator operating value of a thread tension adjusting device, the reference mounting force and the thread tension measuring device. Calculating a difference value from the mounting force measured by step s108 and setting the reference operating value of the actuator of the mounting force adjusting device so that the measured mounting force coincides with the reference mounting force with reference to the difference value. Process (s110).
이하 첨부된 도면을 참조하여 본 발명의 구성 및 동작을 상세히 설명하기로 한다.Hereinafter, the configuration and operation of the present invention will be described in detail with reference to the accompanying drawings.
본 발명에 있어서, 기준 실장력은 재봉기나 자수기에 기준으로 설정되는 실장력 예를 들어, 표준의 실을 장착하고 실 장력 조절 장치를 기본 단계로 설정하였을 경우에 설정되는 실장력을 말하며, 기준 작동값은 이러한 기준 실장력을 얻기 위하여 실 장력 조절 장치를 구동하는 액튜에이터에 인가되는 작동값을 말한다.In the present invention, the reference mounting force refers to a mounting force set when a standard thread is mounted and a thread tension adjusting device is set as a basic step, for example, a mounting force set based on a sewing machine or an embroidery machine. The value refers to the operating value applied to the actuator driving the thread tension control device to obtain this reference mounting force.
도 1은 본 발명에 따른 실 장력 조절 장치의 기준 작동값 설정 방법을 보이는 흐름도이다.1 is a flowchart showing a method of setting a reference operating value of a thread tension adjusting device according to the present invention.
도 1을 참조하면, 기준 실장력이 메모리에 저장된다.(s102) 기준 실장력은 표준의 실이 장착되고 실장력 조절 장치의 조절 단계를 기본으로 두었을 때에 설정되어야 하는 최적의 실장력일 수 있다. 기준 실장력은 실장력 조절 장치를 장착시킨 제품이 온라인으로 중앙제어부에 연결된 상태에서 중앙제어부로부터 다운로드된 것일 수 있다.Referring to Figure 1, the reference mounting force is stored in the memory. (S102) The reference mounting force may be an optimal mounting force that should be set when the standard seal is mounted and based on the adjustment step of the mounting force adjusting device. . The reference mounting force may be downloaded from the central control unit while the product equipped with the mounting force adjusting device is connected to the central control unit online.
여기서, 작동값은 액튜에이터를 구동하는 모터나 솔레노이드에 인가되는 전압/전류의 값이 될 수 있다.Here, the operating value may be a value of voltage / current applied to the motor or solenoid driving the actuator.
재봉기나 자수기(이하 재봉기라 함)를 출고하기에 앞서, 실장력 설정 모드가 활성화된다.(s104) 이러한 실장력 설정 모드는 재봉기에 실 장력 제어 장치가 조립되고 난 후에 활성화될 수 있다.Prior to shipping the sewing machine or the embroidery machine (hereinafter referred to as sewing machine), the mounting force setting mode is activated. (S104) The mounting force setting mode may be activated after the thread tension control device is assembled to the sewing machine.
실장력 조절 장치의 액튜에이터에 인가되는 작동값을 변경하여 가면서 실제의 실장력을 실장력 측정장치에 의해 측정한다.(s106)The actual mounting force is measured by the mounting force measuring device while changing the operating value applied to the actuator of the mounting force adjusting device (s106).
실장력 설정 모드에서 제어부(미도시)는 메모리로부터 읽혀진 기준 실장력과 실장력 측정 장치에 의해 측정된 실장력과의 차이값을 산출하고 이를 디스플레이 장치를 통하여 디스플레이하도록 제어한다.(s108)In the mounting force setting mode, the controller (not shown) calculates a difference value between the reference mounting force read from the memory and the mounting force measured by the mounting force measuring device and controls the display device to display the difference between the mounting force and the mounting force.
작업자는 디스플레이 장치를 통하여 표시되는 차이값을 참조하면서 액튜에이터의 작동값을 설정할 수 있으며, 기준 실장력과 측정된 실장력이 서로 합치하도록 즉, 차이값이 "0"이 되도록 액튜에이터의 기준 작동값을 설정할 수 있다.(s110)The operator can set the actuator's operating value while referring to the difference value displayed through the display device, and set the actuator's reference operating value so that the reference mounting force and the measured mounting force coincide with each other, that is, the difference value is "0". Can be set. (S110)
이때, 작업자는 단순히 실 장력 제어 장치의 작동값을 변경시켜가다가 디스플레이 장치를 통하여 차이값이 "0"이 될 때 작동값의 변경을 멈추고 이때의 작동값을 해당 실 장력 제어 장치의 기준 작동값으로 설정하면 된다.At this time, the operator simply changes the operating value of the thread tension control device and stops changing the operating value when the difference value becomes "0" through the display device and changes the operating value to the reference operating value of the corresponding thread tension control device. Set it.
도 2는 본 발명에 따른 기준 설정값 제어 방법을 위한 장치의 구성을 도시한다. 2 shows a configuration of an apparatus for a reference set value control method according to the present invention.
도 2를 참조하면, 본 발명에 따른 기준 실장력 설정 방법을 위한 장치는 메모리(202), 실장력 측정 장치(204), 제어부(206) 그리고 디스플레이 장치(208)를 포함한다.Referring to FIG. 2, an apparatus for setting a reference mounting force according to the present invention includes a memory 202, a mounting force measuring device 204, a controller 206, and a display device 208.
메모리(202)는 기준 실장력을 저장하며, 제어부(206)의 요청에 응답하여 그에 저장된 기준 실장력을 읽어내어 제어부(206)로 제공하게 된다.The memory 202 stores the reference mounting force, and reads the reference mounting force stored therein in response to a request of the controller 206 and provides the reference mounting force to the controller 206.
실장력 측정 장치(204)는 실에 인가되는 실제의 실장력을 측정하고, 측정된 실장력을 제어부(206)로 제공한다.The mounting force measuring device 204 measures the actual mounting force applied to the yarn, and provides the measured mounting force to the controller 206.
제어부(206)는 메모리(202)로부터 읽어낸 기준 실장력과 실장력 측정 장치(204)에서 제공되는 측정된 실장력을 입력하고, 이들 사이의 차이값을 산출하고, 산출된 차이값을 디스플레이 장치(208)에 제공한다.The controller 206 inputs the reference mounting force read from the memory 202 and the measured mounting force provided by the mounting force measuring device 204, calculates a difference between them, and displays the calculated difference value. Provided at 208.
디스플레이 장치(208)는 제어부(206)에서 제공되는 차이값을 디스플레이한다.The display device 208 displays the difference value provided by the controller 206.
기준 실장력과 측정된 실장력이 일치하면, 그때 적용된 작동값을 해당 제품의 기준 작동값으로서 메모리(202)에 저장한다. 기준 작동값을 메모리(202)에 저장하는 것은 제어부(202)에 의해 자동적으로 수행될 수도 있고 또는 작업자의 설정 명령에 의해 수행될 수도 있다.If the reference mounting force and the measured mounting force coincide, the operating value applied at that time is stored in the memory 202 as the reference operating value of the product. Storing the reference operating value in the memory 202 may be performed automatically by the controller 202 or may be performed by an operator's setting command.
여기서, 기 설정된 기준 작동값들을 이용하여 재봉기의 초기 작동값을 결정하고 이를 이용하여 차후의 제품에 대한 초기 작동값으로 사용하게 하는 것도 가능하다.Here, it is also possible to determine the initial operating value of the sewing machine by using the preset reference operating values and to use it as an initial operating value for future products.
구체적으로, 개별 재봉기들에 적용된 기준 작동값들을 취합하고, 이들의 평균 및 표준 편차를 참조하여 해당 제품군에 대한 초기 작동값을 설정할 수 있다.Specifically, the reference operating values applied to the individual sewing machines can be collected and the initial operating values for the product family can be set with reference to their average and standard deviation.
이러한 초기 작동값은 기본적으로 해당 제품에 대하여 개별적으로 설정될 기준 작동값에 대하여 평균적인 오차 범위에 들어가는 값이 된다.These initial operating values are basically values that fall within the average margin of error with respect to the reference operating values to be set individually for the product.
기준 작동값을 설정할 재봉기가 온라인으로 중앙제어부에 연결되면, 중앙제어부는 재봉기의 종류에 따라 필요한 초기 설정값을 해당 기계에 다운로드할 수 있다. When the sewing machine to set the reference operating value is connected to the central control unit online, the central control unit may download necessary initial setting values according to the type of sewing machine to the corresponding machine.
이와 같이 기준 실장력 설정에 앞서서 기준 작동값과 유사한 초기 작동값을 적용하도록 함으로써 기준 작동값을 찾기까지 소요되는 작업 시간을 단축할 수 있다.As such, by applying an initial operating value similar to the reference operating value before setting the reference mounting force, it is possible to reduce the work time required to find the reference operating value.
도 3은 본 발명에 따른 재봉기의 실장력 표시 방법을 도시한다.3 shows a mounting force display method of the sewing machine according to the present invention.
여기서, 기준 실장력에 해당하는 액튜에이터의 기준 작동값은 재봉기의 메모리(미도시)에 저장되어 있다. 이 기준 작동값은 재봉기의 출고 전에, 도 1에 도시된 바와 같이, 기준 실장력에 해당하는 액튜에이터의 기준 작동값이 결정되고 이를 재봉기의 메모리에 저장하는 방법에 의해 저장된 것일 수 있다.Here, the reference operating value of the actuator corresponding to the reference mounting force is stored in a memory (not shown) of the sewing machine. This reference operating value may be stored by a method of determining a reference operating value of an actuator corresponding to a reference mounting force and storing it in a memory of the sewing machine, as shown in FIG. 1, before the sewing machine is shipped.
재봉기의 제어부(미도시)는 메모리로부터 기준 작동값을 읽어낸다.(s302)The control unit (not shown) of the sewing machine reads the reference operating value from the memory (s302).
제봉기의 제어부는 액튜에이터의 실제의 작동값을 측정한다.(s304)The controller of the sewing machine measures the actual operating value of the actuator (s304).
재봉기의 제어부는 기준 작동값과 실제의 작동값을 참조하여 실장력을 표시한다.(s306) The control unit of the sewing machine displays the mounting force with reference to the reference operating value and the actual operating value.
재봉기에서 실장력을 표시함에 있어서, 재봉기는 메모리에서 읽어낸 기준 작동값을 기준으로 실제의 작동값을 이용하여 실장력을 표시한다. 즉, 이 기준 작동값을 "0"으로 표시하고, 실제의 작동값과 기준 작동값과의 차이를 산출하고, 산출된 차이에 상응하여 "0"부터 + 혹은 -되는 값으로 실제의 작동값을 표시한다.In displaying the mounting force in the sewing machine, the sewing machine displays the mounting force using the actual operating value based on the reference operating value read from the memory. That is, the reference operating value is displayed as "0", the difference between the actual operating value and the reference operating value is calculated, and the actual operating value is set to "+" or "+" corresponding to the calculated difference. Display.
이때, 기준 작동값과 실제의 작동값과의 차이가 기준 실장력과 실제의 실장력과의 차이에 비례하도록 눈금을 설정함에 의해 실장력을 표시할 수 있다.At this time, the mounting force can be displayed by setting a scale such that a difference between the reference operating value and the actual operating value is proportional to the difference between the reference mounting force and the actual mounting force.
이러한 표시 방법에 의해 사용자는 기준 실장력과 실제의 실장력과의 차이를 용이하게 인식할 수 있다. 뿐만 아니라, 기준 작동값은 기준 실장력에 상응하도록 설정된 액튜에이터의 작동값이며 모든 재봉기에 걸쳐서 일률적으로 적용되는 것이기 때문에 모든 재봉기에 있어서의 실장력을 일정한 기준 실장력에 대비하여 일률적이고 정확하게 표시할 수 있게 된다.By this display method, the user can easily recognize the difference between the reference mounting force and the actual mounting force. In addition, since the reference operating value is the operating value of the actuator set to correspond to the standard mounting force and is applied uniformly across all the sewing machines, the mounting force of all the sewing machines can be displayed uniformly and accurately against the constant reference mounting force. Will be.
실제의 실장력이 액튜에이터의 작동값과 비례 관계에 있다고 가정하면, 눈금의 스케일을 비례 관계에 상응하도록 설정함에 의해 실제의 실장력을 기준 실장력에 대비하여 정확하게 표시할 수 있다. 액튜에이터의 작동값과 실제의 실장력과의 비례 관계는 액튜에이터의 제어 메커니즘 예를 들어, 비례 적분 방식 등에 의해 정확하게 예측될 수 있다.Assuming that the actual mounting force is proportional to the actuator's operating value, the actual mounting force can be accurately displayed relative to the reference mounting force by setting the scale of the scale to correspond to the proportional relationship. The proportional relationship between the operating value of the actuator and the actual mounting force can be accurately predicted by the control mechanism of the actuator, for example, the proportional integration method or the like.
전술한 바와 같이, 본 발명에 따른 실 장력 조절 장치의 기준 작동값 설정 방법에 의하면 실 장력 제어 모드에서 기준 실장력과 측정된 실장력의 차이를 디스플레이 장치(208)를 통하여 디스플레이하게 되므로, 작업자가 기준 실장력에 상응하는 실장력 제어 장치의 액튜에이터의 기준 작동값을 최적으로 빠르게 설정할 수 있다.As described above, according to the method of setting the reference operating value of the thread tension adjusting device according to the present invention, since the difference between the reference mounting force and the measured mounting force is displayed through the display device 208 in the thread tension control mode, the operator The reference operating value of the actuator of the mounting force control device corresponding to the reference mounting force can be set quickly and optimally.
이에 따라, 실 장력 조절 장치의 부품의 조립 공차 및 부품 자체의 오차를 엄격하게 관리하여야 한다는 관리 부담이 상당히 경감될 수 있으므로, 제품의 제조 비용을 저감시킬 수 있다.Accordingly, the management burden of strictly managing the assembly tolerances of the parts of the thread tension control device and the error of the parts itself can be considerably reduced, so that the manufacturing cost of the product can be reduced.

Claims (4)

  1. 기준 실장력에 상응하는 실장력 조절 장치의 액튜레이터 기준 작동값을 설정하는 방법에 있어서,In the method for setting the actuator reference operating value of the mounting force adjustment device corresponding to the reference mounting force,
    상기 실 장력 조절 장치의 액튜에이터 작동값에 의해 결정되는 실장력을 실장력 측정 장치로 측정하는 실 장력 측정 과정;A thread tension measuring process of measuring a mounting force determined by an actuator operating value of the thread tension adjusting device with a thread tension measuring device;
    상기 기준 실장력과 상기 실 장력 측정 장치에 의해 측정된 실장력과의 차이값을 산출하는 과정; 및Calculating a difference value between the reference mounting force and the mounting force measured by the thread tension measuring device; And
    상기 차이값을 참조하여 상기 측정된 실장력이 상기 기준 실장력에 합치하도록 실장력 조절 장치의 액튜에이터의 기준 작동값을 설정하는 과정;Setting a reference operating value of an actuator of the mounting force adjusting device so that the measured mounting force coincides with the reference mounting force with reference to the difference value;
    을 포함하는 실장력 조절 장치의 기준 실장력 설정 방법.Standard mounting force setting method of the mounting force adjusting device comprising a.
  2. 제1항에 있어서, 상기 차이값 산출 과정은 The method of claim 1, wherein the difference value calculating process
    산출된 차이값을 디스플레이 장치를 통하여 디스플레이하는 과정을 더 포함하는 것을 특징으로 하는 실장력 조절 장치의 기준 실장력 설정 방법.And a step of displaying the calculated difference value through the display device.
  3. 제1항에 있어서,The method of claim 1,
    복수의 실 장력 조절 장치들에 대하여 기 설정된 기준 작동값들을 참조하여 초기 작동값을 설정하는 과정; 및Setting an initial operating value with reference to preset reference operating values for the plurality of thread tension adjusting devices; And
    상기 초기 작동값을 기준 실장력을 설정할 실 장력 조절 장치에 다운로드하는 과정;을 더 포함하는 것을 특징으로 하는 실장력 조절 장치의 기준 실장력 설정 방법.And downloading the initial operating value to a thread tension adjusting device to set a reference mounting force.
  4. 기준 실장력에 합치하도록 조정된 실장력 조절 장치의 액튜에이터의 기준 작동값을 읽어내는 과정; 및Reading a reference operating value of an actuator of the mounting force adjusting device adjusted to match the reference mounting force; And
    상기 액튜에이터의 기준 작동값과 측정된 액튜에이터의 작동값을 비교하여 표시하는 과정;Comparing and displaying a reference operating value of the actuator and a measured operating value of the actuator;
    을 포함하며,Including;
    여기서, 상기 기준 작동값 및 측정된 작동값이 기준 실장력과 실제의 실장력에 상응하도록 표시하는 것을 특징으로 하는 재봉기의 실장력 표시 방법.Here, the mounting force display method of the sewing machine, characterized in that for displaying the reference operating value and the measured operating value corresponding to the reference mounting force and the actual mounting force.
PCT/KR2012/011149 2011-12-20 2012-12-20 Method for setting reference operation value of thread tension control device and method for displaying thread tension of sewing machine WO2013094996A2 (en)

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Citations (5)

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US4793273A (en) * 1984-10-03 1988-12-27 Janome Sewing Machine Co., Ltd. Automatic thread tension device for a sewing machine
JPH07661A (en) * 1993-06-21 1995-01-06 Tokai Ind Sewing Mach Co Ltd Sewing machine
JP2741952B2 (en) * 1988-11-24 1998-04-22 ゲー エム パフ アクチエンゲゼルシャフト Stitch forming machine with measured value detector and control device
JP2000024357A (en) * 1998-07-14 2000-01-25 Brother Ind Ltd Needle thread tension adjusting device for sewing machine
KR20080092730A (en) * 2007-04-13 2008-10-16 썬스타 산업봉제기계 주식회사 Method and apparatus of automatic controlling thread tension for stitching button hole on sewing machine

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JPH0631077A (en) * 1992-07-15 1994-02-08 Barudan Co Ltd Sewing machine
JP5174414B2 (en) * 2007-10-05 2013-04-03 Ｊｕｋｉ株式会社 Sewing thread tension control device
JP2010179013A (en) * 2009-02-09 2010-08-19 Juki Corp Bobbin thread tension control equipment of sewing machine
JP5808886B2 (en) * 2009-10-16 2015-11-10 Juki株式会社 sewing machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793273A (en) * 1984-10-03 1988-12-27 Janome Sewing Machine Co., Ltd. Automatic thread tension device for a sewing machine
JP2741952B2 (en) * 1988-11-24 1998-04-22 ゲー エム パフ アクチエンゲゼルシャフト Stitch forming machine with measured value detector and control device
JPH07661A (en) * 1993-06-21 1995-01-06 Tokai Ind Sewing Mach Co Ltd Sewing machine
JP2000024357A (en) * 1998-07-14 2000-01-25 Brother Ind Ltd Needle thread tension adjusting device for sewing machine
KR20080092730A (en) * 2007-04-13 2008-10-16 썬스타 산업봉제기계 주식회사 Method and apparatus of automatic controlling thread tension for stitching button hole on sewing machine

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