KR20210148515A - Fastening apparatus for pop nut - Google Patents

Fastening apparatus for pop nut Download PDF

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Publication number
KR20210148515A
KR20210148515A KR1020200064684A KR20200064684A KR20210148515A KR 20210148515 A KR20210148515 A KR 20210148515A KR 1020200064684 A KR1020200064684 A KR 1020200064684A KR 20200064684 A KR20200064684 A KR 20200064684A KR 20210148515 A KR20210148515 A KR 20210148515A
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South Korea
Prior art keywords
compression
fastening
motor
pop nut
unit
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KR1020200064684A
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Korean (ko)
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KR102349779B1 (en
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김보경
남근호
강동철
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김보경
남근호
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/001—Combined nut setting and crimping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Control Of Presses (AREA)

Abstract

The present invention relates to a pop nut fastening device. The pop nut fastening device includes: a body housing having a working anvil combined with a front end part; a sliding housing combined to be slidable between a working standby position and a compression retreat position in an axial direction of the body housing; a fastening work part installed in the sliding housing, exposed in the axial direction through the working anvil and having a fastening bar having a male fastening screw formed to be screwed with a pop nut; a compression driving part including a driving screw shaft located in the axial direction of the body housing, a slider combined with the driving screw shaft to slide the sliding housing in a compression retreat direction, and a compression driving motor installed in the body housing to rotate the driving screw shaft; a compression condition selection part for selecting a compression condition of the compression driving part; and a control part controlling the compression driving motor in accordance with the condition selected by the compression condition selection part. Therefore, the present invention is capable of controlling the compression molding speed and compression pressure of a pop nut in accordance with the quality and thickness of a panel.

Description

팝너트 체결장치{Fastening apparatus for pop nut}Fastening apparatus for pop nut

본 발명은 팝너트 체결장치에 관한 것이다.The present invention relates to a pop nut fastening device.

팝너트 체결은 패널들을 상호 결합할 때 태핑 없는 관통공을 팝너트를 통해 체결하는 방법이다.The pop nut fastening is a method of fastening through-holes without tapping through the pop nut when the panels are interconnected.

팝너트는 팝너트 체결장치에 구비된 체결부에 나사결합된 후 패널 간에 형성된 관통공에 삽입된 상태에서 압착 성형되어 패널에 체결된다.The pop nut is screw-coupled to the fastening part provided in the pop nut fastening device, and is press-molded and fastened to the panel while being inserted into the through hole formed between the panels.

그러나, 종래의 팝너트 체결장치는 유압실린더의 작동을 통해 팝너트를 압착 성형하는 구조로 되어 있어 팝너트 및 팝너트가 체결되는 패널의 재질 및, 두께 등에 따라 팝너트의 압착 성형속도 및 성형압력을 조절할 수 없는 단점이 있다.However, the conventional pop nut fastening device has a structure in which a pop nut is press-formed through the operation of a hydraulic cylinder, and the pop nut and the pop nut are compressed according to the material and thickness of the panel to which the pop nut is fastened. The disadvantage is that it cannot be controlled.

따라서, 본 발명의 목적은 팝너트 및 팝너트가 체결되는 패널의 재질 및 두께 등에 따라 팝너트의 압착 성형속도 및 성형압력을 조절할 수 있는 팝너트 체결장치를 제공하는 것을 목적으로 한다.Accordingly, it is an object of the present invention to provide a pop nut fastening device capable of controlling a pop nut and a compression molding speed and a molding pressure of a pop nut according to the material and thickness of the panel to which the pop nut is fastened.

본 발명에 따른 팝너트 체결장치는 선단부에 결합된 작업엔빌을 갖는 본체하우징과, 상기 본체하우징의 축선방향을 따라 작업대기 위치와 압착후퇴 위치 간을 슬라이딩 이동가능하게 결합된 슬라이딩하우징과, 상기 슬라이딩하우징에 설치되며, 상기 작업엔빌을 통해 축선방향을 따라 노출되며 상기 팝너트와 나사결합 가능한 체결숫나사가 형성된 체결바아를 갖는 체결작업부와, 상기 본체하우징의 축선방향으로 위치된 구동스크류축과 상기 구동스크류축에 결합되어 상기 슬라이딩하우징을 압착후퇴방향으로 슬라이딩 이동시키는 슬라이더와 상기 본체하우징에 설치되어 상기 구동스크류축을 회전구동하는 압착구동모터를 갖는 압착구동부와, 상기 압착구동부의 압착조건을 선택하기 위한 압착조건 선택부와, 상기 압착조건 선택부에서 선택된 조건에 따라 상기 압착구동모터를 제어하는 제어부를 포함한다.A pop nut fastening device according to the present invention includes a main housing having a working anvil coupled to a distal end, and a sliding housing coupled to be slidably movable between a working standby position and a compression retraction position along an axial direction of the main housing; A fastening work part installed in the sliding housing, exposed along the axial direction through the work anvil, and having a fastening bar having a fastening male screw capable of screwing with the pop nut, and a drive screw shaft located in the axial direction of the main housing and a slider coupled to the drive screw shaft to slide the sliding housing in the compression retraction direction, and a compression drive motor installed in the main housing housing to rotate and drive the drive screw shaft; It includes a compression condition selection unit for selection, and a control unit for controlling the compression drive motor according to the condition selected by the compression condition selection unit.

또한, 상기 압착조건은 상기 압착구동모터의 모터회전속도 및 압착력 중 적어도 어느 하나 인 것이 바람직하다.In addition, the compression condition is preferably at least one of a motor rotation speed and a compression force of the compression driving motor.

또한, 상기 압착구동모터의 부하 전류치를 측정하는 부하전류 감지부를 더 포함하며, 상기 제어부는 상기 부하전류 감지부로부터의 부하전류에 기초하여 상기 압착력을 평가하고 상기 압착력이 소정의 적정 압착범위 내에 있을 때 적정 압착상태인 것을 판단하는 것이 바람직하다.In addition, it further comprises a load current sensing unit for measuring the load current value of the compression drive motor, wherein the control unit evaluates the compression force based on the load current from the load current detection unit, and the compression force is within a predetermined appropriate compression range. It is desirable to determine that it is in an appropriate compression state.

또한, 상기 체결바아를 회전구동하는 체결모터와 상기 체결모터의 회전수를 감지하는 회전수 감지센서를 더 포함하고, 상기 제어부는 상기 회전수 감지센서로부터 감지된 회전수가 미리 설정된 회전수와 일치될 때 상기 팝너트가 정상 체결상태인 것으로 판단하는 것이 바람직하다.In addition, it further comprises a fastening motor for rotating the fastening bar and a rotation speed detection sensor for detecting the rotation speed of the fastening motor, wherein the control unit is the rotation speed detected by the rotation speed sensor to match the preset number of rotations It is preferable to determine that the pop nut is in a normal fastening state.

또한, 상기 체결모터의 모터부하를 측정하는 모터부하 측정부를 더 포함하며, 상기 제어부는 상기 모터부하 측정부의 신호에 기초하여 상기 체결바아에 체결된 팝너트의 적정 체결상태 여부를 판단하는 것이 바람직하다.In addition, it is preferable to further include a motor load measuring unit for measuring the motor load of the fastening motor, wherein the control unit determines whether the pop nut fastened to the fastening bar is in an appropriate fastening state based on the signal of the motor load measuring unit. .

또한, 상기 체결바아는 상기 슬라이딩하우징에 대해 압착후퇴 방향을 따라 소정의 기동거리마큼 이동가능하게 설치되며, 상기 체결바아가 체결작업 개시 시에 이동한 기동동작을 감지하는 기동감지센서를 더 포함하며, 상기 제어부는 상기 기동감지센서로부터의 신호에 기초하여 상기 체결모터가 체결구동을 개시하도록 제어하고, 상기 체결모터의 회전수를 계수하여 정상 체결상태 여부를 판단하는 것이 바람직하다.In addition, the fastening bar is installed to be movable as much as a predetermined starting distance along the compression retraction direction with respect to the sliding housing, and further includes a start detection sensor for detecting the moving motion of the fastening bar when the fastening operation starts. , Preferably, the control unit controls the fastening motor to start fastening driving based on a signal from the start detection sensor, and counts the number of revolutions of the fastening motor to determine whether the fastening is in a normal state.

또한, 상기 제어부는 상기 팝너트의 적정 체결상태 및 정상 체결상태가 아닌 것으로 판단될 때 해당 상황을 표시하는 경보표시부를 더 포함하는 것이 바람직하다.In addition, it is preferable that the control unit further includes an alarm display unit for displaying the corresponding condition when it is determined that the pop nut is not in an appropriate fastening state and in a normal fastening state.

전술한 구성을 갖는 본 발명에 따르면, 팝너트 및 팝너트가 체결되는 패널의 재질 및 두께 등에 따라 팝너트의 압착 성형속도 및 성형압력을 조절할 수 있는 효과가 있다.According to the present invention having the above configuration, there is an effect that the compression molding speed and the molding pressure of the pop nut can be adjusted according to the material and thickness of the pop nut and the panel to which the pop nut is fastened.

도 1은 본 발명의 실시예에 따른 팝너트 체결장치의 사시도이다.
도 2는 본 발명의 실시예에 따른 팝너트 체결장치의 단면도이다.
도 3은 도 2에 도시된 체결작업부의 작동을 도시하는 작동상태도이다.
도 4는 도 2에 도시된 압착구동부의 작동을 도시하는 작동상태도이다.
도 5는 본 발명의 실시예에 따른 팝너트 체결장치의 제어 관련 구성을 기능적으로 도시하는 블록도이다.1 is a perspective view of a pop nut fastening device according to an embodiment of the present invention.
2 is a cross-sectional view of a pop nut fastening device according to an embodiment of the present invention.
3 is an operation state diagram showing the operation of the fastening work unit shown in FIG.
FIG. 4 is an operation state diagram illustrating the operation of the compression driving unit shown in FIG. 2 .
5 is a block diagram functionally illustrating a control-related configuration of a pop nut fastening device according to an embodiment of the present invention.

이하, 첨부도면을 참조하여 본 발명의 실시예에 따른 팝너트 체결장치를 구체적으로 설명한다.Hereinafter, a pop nut fastening device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1 내지 도 4를 참조하면, 실시예에 따른 팝너트 체결장치(10)는 본체하우징(100), 슬라이딩하우징(200), 체결작업부(300), 압착구동부(400), 압착조건 선택부(500), 제어부(600)로 구성된다.1 to 4, the pop nut fastening device 10 according to the embodiment includes a body housing 100, a sliding housing 200, a fastening operation unit 300, a compression driving unit 400, and a compression condition selection unit. 500 , and a control unit 600 .

본체하우징(100)은 기본 골격이 되는 것으로, 내부에 복수의 가이드바아(110)가 길이방향으로 마련되고, 복수의 가이드바아(110)에는 슬라이딩하우징(200)이 슬라이딩 가능하게 결합된다.The body housing 100 serves as a basic skeleton, and a plurality of guide bars 110 are provided in the longitudinal direction, and the sliding housing 200 is slidably coupled to the plurality of guide bars 110 .

또한, 본체하우징(100)의 선단에는 작업엔빌(120)이 결합되고, 후단에는 압착구동부(400)가 결합된다.In addition, the working anvil 120 is coupled to the front end of the main housing 100 , and the compression driving unit 400 is coupled to the rear end thereof.

슬라이딩하우징(200)은 본체하우징(100)의 축선방향을 따라 작업대기 위치와 압착후퇴 위치 간을 슬라이딩 이동가능하게 결합된다.The sliding housing 200 is slidably coupled between the work standby position and the compression retraction position along the axial direction of the main housing 100 .

체결작업부(300)는 슬라이딩하우징(200)에 설치되며, 작업엔빌(120)을 통해 축선방향을 따라 노출되며 팝너트(1)와 나사결합 가능한 체결숫나사(312)가 형성된 체결바아(310)를 갖는다.The fastening work part 300 is installed in the sliding housing 200, is exposed along the axial direction through the work anvil 120, and the fastening bar 310 is formed with a fastening male screw 312 capable of screwing with the pop nut (1). ) has

여기서, 체결바아(310)는 슬라이딩하우징(200)에 대해 압착후퇴 방향을 따라 소정의 기동거리(L)만큼 이동가능하게 설치되며, 체결바아(310)가 체결작업 개시 시에 이동한 기동동작을 감지하는 기동감지센서(330)를 더 포함한다.Here, the fastening bar 310 is installed to be movable by a predetermined starting distance (L) along the compression retraction direction with respect to the sliding housing 200, and the fastening bar 310 performs the starting operation moved at the start of the fastening operation. It further includes a start detection sensor 330 to detect.

기동감지센서(330)는 작업엔빌(120)의 외주 소정 위치에 설치되고, 체결바아(310)의 축선방향 소정 위치에는 기동감지센서(330)가 체결바아(310)의 이동을 감지할 수 있는 감지부(340)가 설치된다.The start detection sensor 330 is installed at a predetermined position on the outer periphery of the work anvil 120 , and at a predetermined position in the axial direction of the fastening bar 310 , the start detection sensor 330 can detect the movement of the fastening bar 310 . There is a detection unit 340 is installed.

그리고, 체결바아(310)의 축선방향 소정 위치에는 체결바아(310)가 기동거리(L)만큼 이동했을 때 탄성 압착되었다가 체결바아(310)가 원래의 위치로 복귀될 수 있도록 체결바아(310)에 탄성력을 인가하는 코일스프링(350)이 마련된다.In addition, the fastening bar 310 is elastically compressed at a predetermined position in the axial direction of the fastening bar 310 when the fastening bar 310 moves by the starting distance L, and then the fastening bar 310 can be returned to its original position. ) is provided with a coil spring 350 for applying an elastic force.

또한, 체결작업부(300)는 체결바아(310)를 회전구동하는 체결모터(320)와, 체결모터(320)의 회전수를 감지하는 회전수 감지센서(360)를 더 포함한다.In addition, the fastening operation unit 300 further includes a fastening motor 320 for rotatingly driving the fastening bar 310 , and a rotation speed detecting sensor 360 for detecting the number of revolutions of the fastening motor 320 .

또한, 체결작업부(300)는 체결바아(310)에 팝너트(1)가 체결될 때 체결모터(320)에서 발생되는 체결모터(320)의 모터부하를 측정하는 모터부하측정부(370)를 더 포함하는 것이 바람직하다.In addition, the fastening operation unit 300 includes a motor load measuring unit 370 for measuring the motor load of the fastening motor 320 generated in the fastening motor 320 when the pop nut 1 is fastened to the fastening bar 310 . It is preferable to further include.

압착구동부(400)는 슬라이딩하우징(200)을 압착후퇴방향으로 슬라이딩 이동시켜 체결바아(310)에 형성된 체결숫나사(312)에 나사결합된 팝너트(1)를 패널(2)과 같은 부품에 형성된 체결홀(2a)에 장착되도록 압착성형한다.The compression driving unit 400 slides the sliding housing 200 in the compression retraction direction to apply the pop nut 1 screwed to the male screw 312 formed on the fastening bar 310 to the same part as the panel 2 . Compression molding is performed so as to be mounted in the fastening hole (2a).

이러한, 압착구동부(400)는 본체하우징(100)의 축선방향으로 위치된 구동스크류축(410)과, 구동스크류축(410)에 결합되어 슬라이딩하우징(200)을 압착후퇴방향으로 슬라이딩 이동시키는 슬라이더(420)와, 본체하우징(100)에 설치되어 구동스크류축(410)을 회전구동하는 압착구동모터(430)로 이루어진다.The compression drive unit 400 is coupled to the drive screw shaft 410 positioned in the axial direction of the body housing 100 and the drive screw shaft 410 to slide the sliding housing 200 in the compression retraction direction. 420 and a compression driving motor 430 installed in the main housing 100 to rotate the driving screw shaft 410 .

슬라이더(420)는 복수의 연결바(422)를 가지며, 복수의 연결바(422)의 단부는 슬라이딩하우징(200)에 결합되어 슬라이더(420)가 슬라이딩하우징(200)을 압착후퇴방향으로 슬라이딩 이동시킬 수 있게 한다.The slider 420 has a plurality of connecting bars 422 , and the ends of the plurality of connecting bars 422 are coupled to the sliding housing 200 so that the slider 420 slides the sliding housing 200 in the compression and retreat direction. make it possible

또한, 압착구동부(400)는 압착구동모터(430)의 부하 전류치를 측정하는 부하전류 감지부(440)를 더 포함하는 것이 바람직하며, 부하 전류치는 압착구동부(400)에 의해 팝너트(1)가 패널(2)에 압착성형될 때 압착구동모터(430)에서 발생하는 부하이다.In addition, it is preferable that the crimping drive unit 400 further includes a load current sensing unit 440 for measuring the load current value of the crimping drive motor 430 , and the load current value is the pop nut 1 by the crimping drive unit 400 . is a load generated by the compression driving motor 430 when the panel 2 is compression-molded.

압착조건 선택부(500)는 압착구동부(400)의 압착조건을 선택하기 위한 것으로서, 압착조건은 압착구동모터(430)의 모터회전속도 및 압착력 중 적어도 어느 하나이다.The compression condition selection unit 500 is for selecting a compression condition of the compression driving unit 400 , and the compression condition is at least one of a motor rotation speed and a compression force of the compression driving motor 430 .

여기서, 압착조건은 팝너트의 재질, 길이, 두께 및, 팝너트가 장착되는 패널의 강도, 재질에 따라 결정되며, 추가로 계절에 따른 온도에 의해 결정된다.Here, the compression condition is determined according to the material, length, and thickness of the pop nut, and the strength and material of the panel on which the pop nut is mounted, and is further determined by the temperature according to the season.

도 5을 참조하면, 제어부(600)는 압착조건 선택부(500)에서 선택된 조건에 따라 압착구동모터(430)를 제어하는 것으로서, 상술한 기동감지센서(330), 회전수 감지센서(360), 모터부하측정부(370), 부하전류 감지부(440)로부터 정보를 수신한다.Referring to FIG. 5 , the control unit 600 controls the compression driving motor 430 according to the conditions selected by the compression condition selection unit 500 , and the above-described start detection sensor 330 and rotation speed detection sensor 360 . , information is received from the motor load measuring unit 370 and the load current sensing unit 440 .

또한, 제어부(600)는 팝너트(1)의 체결상태가 적정 체결상태 및 정상 체결상태가 아닌 것으로 판단될 때 해당 상황을 표시하는 경보표시부(610)를 더 포함한다.In addition, the control unit 600 further includes an alarm display unit 610 that displays the corresponding state when it is determined that the fastening state of the pop nut 1 is not the proper fastening state and the normal fastening state.

제어부(600)는 기동감지센서(330)로부터의 신호에 기초하여 체결바아(310)에 팝너트(1)가 나사결합되게 체결모터(320)가 체결구동을 개시하도록 제어하고, 체결모터(320)가 체결구동을 개시하면 회전수 감지센서(360)를 통해 체결모터(320)의 회전수를 계수하여 체결바아(310)에 나사결합된 팝너트(1)가 정상 체결상태인지 여부를 판단한다.The control unit 600 controls the fastening motor 320 to start fastening driving so that the pop nut 1 is screwed to the fastening bar 310 based on the signal from the start detection sensor 330, and the fastening motor 320 ) starts the fastening operation, the number of revolutions of the fastening motor 320 is counted through the revolution number sensor 360 to determine whether the pop nut 1 screwed to the fastening bar 310 is in a normal fastening state. .

즉, 회전수 감지센서(360)로부터 감지된 회전수가 미리 설정된 회전수와 일치될 때 체결바아(310)에 체결된 팝너트(1)가 정상 체결상태인 것으로 판단하고, 감지된 회전수가 미리 설정된 회전수와 불일치하면 체결바아(310)에 체결된 팝너트(1)가 비정상 체결상태인 것으로 판단하고 경보표시부(610)를 통해 작업자 또는 관리자가 즉시 알 수 있도록 경보를 표시한다.That is, when the number of rotations detected by the rotation speed detection sensor 360 matches the preset rotation speed, it is determined that the pop nut 1 fastened to the fastening bar 310 is in a normal fastening state, and the detected rotation speed is preset. If the rotational speed does not match, it is determined that the pop nut 1 fastened to the fastening bar 310 is in an abnormal fastening state, and an alarm is displayed through the alarm display unit 610 so that the operator or manager can immediately know.

또한, 제어부(600)는 체결바아(310)에 결합된 팝너트(1)가 정상 체결상태일 때, 모터부하측정부(370)의 신호에 기초하여 체결바아(310)에 체결된 팝너트(1)의 적정 체결상태 여부를 판단한다. 모터부하측정부(370)의 신호가 미리 설정된 부하값과 불일치하면 제어부(600)는 체결바아(310)에 체결된 팝너트(1)가 비적정 체결상태인 것으로 판단하고 경보표시부(610)를 통해 작업자 또는 관리자가 즉시 알 수 있도록 경보를 표시한다.Also, when the pop nut 1 coupled to the fastening bar 310 is in a normal fastening state, the control unit 600 controls the pop nut 1 fastened to the fastening bar 310 based on a signal from the motor load measuring unit 370 . ) to determine whether it is in the proper fastening state. If the signal of the motor load measuring unit 370 does not match the preset load value, the control unit 600 determines that the pop nut 1 fastened to the fastening bar 310 is in an improper fastening state, and through the alarm display unit 610 Display an alarm so that the operator or manager can be notified immediately.

상술한 바와 같이, 제어부(600)가 회전수 감지센서(360)와 모터부하측정부(370)를 통해 체결바아(310)에 체결되는 팝너트(1)의 정상 체결상태 및 적정 체결상태를 확인함으로써 압착구동부(400)에 의해 압착 성형되는 팝너트(1)의 미성형으로 인한 품질불량을 방지할 수 있다.As described above, the control unit 600 confirms the normal fastening state and the proper fastening state of the pop nut 1 fastened to the fastening bar 310 through the rotational speed sensor 360 and the motor load measuring unit 370 . It is possible to prevent quality defects due to non-molding of the pop nut 1 that is press-molded by the compression driving unit 400 .

그리고, 제어부(600)는 체결바아(310)에 체결되는 팝너트(1)가 정상 체결상태 및 적정 체결상태인 것으로 판단되면, 압착조건 선택부(500)를 통해 입력된 압착조건에 따라 압착구동부(400)가 구동되도록 제어한다.And, when it is determined that the pop nut 1 fastened to the fastening bar 310 is in a normal fastening state and in an appropriate fastening state, the control unit 600 determines the crimping driving unit according to the crimping condition input through the crimping condition selection unit 500 . (400) is controlled to be driven.

압착구동부(400)가 구동되면, 제어부(600)는 부하전류 감지부(440)로부터의 부하전류에 기초하여 팝너트(1)를 압착 성형하는 압착구동부(400)의 압착력을 평가하고, 압착력이 소정의 적정 압착범위 내에 있을 때 적정 압착상태인 것을 판단하고, 압착력이 적정 압착상태가 아닌것으로 판단되면 경보표시부(610)를 통해 작업자 또는 관리자가 즉시 알 수 있도록 경보를 표시한다.When the crimping driving unit 400 is driven, the control unit 600 evaluates the crimping force of the crimping driving unit 400 for crimping the pop nut 1 based on the load current from the load current sensing unit 440, and the crimping force is When it is determined that the compression is in an appropriate compression state when it is within a predetermined appropriate compression range, when it is determined that the compression force is not in an appropriate compression state, an alarm is displayed through the alarm display unit 610 so that the operator or manager can immediately know.

이와 같은 구성에 의해, 본 발명은 압착조건에 따라 압착구동부(400)의 압착력을 조절할 수 있고, 조절된 압착력으로 성형된 팝너트(1)의 정상 압착성형여부를 적시에 인식할 수 있다.With such a configuration, in the present invention, the compression force of the compression driving unit 400 can be adjusted according to the compression conditions, and whether the pop nut 1 formed by the adjusted compression force is normally compressed can be recognized in a timely manner.

이상 본 발명의 실시예를 첨부도면을 참조하여 설명하였지만, 당해 기술분야에 숙련된 사람은 하기의 특허청구범위에 기재된 본 발명의 기술적 사상으로부터 벗어나지 않는 범위 내에서 본 발명을 다양하게 수정 및 변경할 수 있음을 이해할 수 있을 것이다.Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art can variously modify and change the present invention within the scope without departing from the technical spirit of the present invention described in the claims below. You will understand that there is

100; 본체하우징
110; 복수의 가이드바아
120; 작업엔빌
200; 슬라이딩하우징
300; 체결작업부
310; 체결바아
312; 체결숫나사
320; 체결모터
400; 압착구동부
410; 구동스크류축
420; 슬라이더
430; 압착구동모터
500; 압착조건 선택부
600; 제어부100; body housing
110; multiple guide bars
120; work anvil
200; sliding housing
300; fastening work
310; fastening bar
312; fastening screw
320; fastening motor
400; Compression drive part
410; drive screw shaft
420; slider
430; crimp drive motor
500; Compression condition selection part
600; control

Claims (7)

팝너트 체결장치에 있어서,
선단부에 결합된 작업엔빌을 갖는 본체하우징;
상기 본체하우징의 축선방향을 따라 작업대기 위치와 압착후퇴 위치 간을 슬라이딩 이동가능하게 결합된 슬라이딩하우징;
상기 슬라이딩하우징에 설치되며, 상기 작업엔빌을 통해 축선방향을 따라 노출되며 상기 팝너트와 나사결합 가능한 체결숫나사가 형성된 체결바아를 갖는 체결작업부;
상기 본체하우징의 축선방향으로 위치된 구동스크류축과, 상기 구동스크류축에 결합되어 상기 슬라이딩하우징을 압착후퇴방향으로 슬라이딩 이동시키는 슬라이더와, 상기 본체하우징에 설치되어 상기 구동스크류축을 회전구동하는 압착구동모터를 갖는 압착구동부;
상기 압착구동부의 압착조건을 선택하기 위한 압착조건 선택부;
상기 압착조건 선택부에서 선택된 조건에 따라 상기 압착구동모터를 제어하는 제어부를 포함하는 팝너트 체결장치.
In the pop nut fastening device,
a main housing having a working anvil coupled to the front end;
a sliding housing coupled to be slidably movable between a work standby position and a compression retraction position along an axial direction of the main housing;
a fastening work unit installed in the sliding housing, exposed along the axial direction through the work anvil, and having a fastening bar having a fastening male screw capable of screwing with the pop nut;
A drive screw shaft positioned in the axial direction of the body housing, a slider coupled to the drive screw shaft to slide and move the sliding housing in a compression retraction direction, and a compression drive installed in the body housing to rotate the drive screw shaft Compression driving unit having a motor;
a compression condition selection unit for selecting a compression condition of the compression driving unit;
and a control unit for controlling the compression driving motor according to the condition selected by the compression condition selection unit.
 청구항 1에 있어서,
상기 압착조건은 상기 압착구동모터의 모터회전속도 및 압착력 중 적어도 어느 하나 인 것을 특징으로 하는 팝너트 체결장치.
The method according to claim 1,
The compression condition is a pop nut fastening device, characterized in that at least one of a motor rotation speed and a compression force of the compression driving motor.
 청구항 1에 있어서,
상기 압착구동모터의 부하 전류치를 측정하는 부하전류 감지부를 더 포함하며,
상기 제어부는 상기 부하전류 감지부로부터의 부하전류에 기초하여 상기 압착구동부의 압착력을 평가하고 상기 압착력이 소정의 적정 압착범위 내에 있을 때 적정 압착상태인 것을 판단하는 것을 특징으로 하는 팝너트 체결장치.
The method according to claim 1,
Further comprising a load current sensing unit for measuring the load current value of the compression drive motor,
The control unit evaluates the compression force of the compression drive unit based on the load current from the load current sensing unit, and determines that the compression state is in an appropriate compression state when the compression force is within a predetermined appropriate compression range.
 청구항 1에 있어서,
상기 체결바아를 회전구동하는 체결모터와, 상기 체결모터의 회전수를 감지하는 회전수 감지센서를 더 포함하고,
상기 제어부는 상기 회전수 감지센서로부터 감지된 회전수가 미리 설정된 회전수와 일치될 때 상기 팝너트가 정상 체결상태인 것으로 판단하는 것을 특징으로 하는 팝너트 체결장치.
The method according to claim 1,
A fastening motor for rotationally driving the fastening bar, and a rotation speed detection sensor for detecting the rotation speed of the fastening motor,
The control unit determines that the pop nut is in a normal fastening state when the number of revolutions sensed by the revolution number sensor matches a preset number of revolutions.
 청구항 4에 있어서,
상기 체결모터의 모터부하를 측정하는 모터부하 측정부를 더 포함하며,
상기 제어부는 상기 모터부하 측정부의 신호에 기초하여 상기 체결바아에 체결된 팝너트의 적정 체결상태 여부를 판단하는 것을 특징으로 하는 팝너트 체결장치.
5. The method according to claim 4,
Further comprising a motor load measuring unit for measuring the motor load of the fastening motor,
The control unit determines whether the pop nut fastened to the fastening bar is in an appropriate fastening state based on a signal from the motor load measuring unit.
 청구항 5에 있어서,
상기 체결바아는 상기 슬라이딩하우징에 대해 압착후퇴 방향을 따라 소정의 기동거리마큼 이동가능하게 설치되며,
상기 체결바아가 체결작업 개시 시에 이동한 기동동작을 감지하는 기동감지센서를 더 포함하며,
상기 제어부는 상기 기동감지센서로부터의 신호에 기초하여 상기 체결모터가 체결구동을 개시하도록 제어하고, 상기 체결모터의 회전수를 계수하여 정상 체결상태 여부를 판단하는 것을 특징으로 하는 팝너트 체결장치.
6. The method of claim 5,
The fastening bar is installed to be movable by a predetermined starting distance along the compression retraction direction with respect to the sliding housing,
The fastening bar further comprises a start detection sensor for detecting a moving motion at the start of the fastening operation,
The control unit controls the fastening motor to start fastening driving based on a signal from the start detection sensor, and counts the number of revolutions of the fastening motor to determine whether the fastening is in a normal fastening state.
 청구항 4 내지 청구항 6에 있어서,
상기 제어부는 상기 팝너트의 적정 체결상태 및 정상 체결상태가 아닌 것으로 판단될 때 해당 상황을 표시하는 경보표시부를 더 포함하는 것을 특징으로 하는 팝너트 체결장치.7. The method according to claim 4 to 6,
The control unit further comprises an alarm display unit for displaying the corresponding state when it is determined that the pop nut is not in the proper fastening state and in the normal fastening state.
KR1020200064684A 2020-05-29 2020-05-29 Fastening apparatus for pop nut KR102349779B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004090089A (en) * 2002-07-18 2004-03-25 Newfrey Llc Method and instrument for observing fitting of blind fastener
JP2008272838A (en) * 2007-04-25 2008-11-13 Mitsubishi Electric Engineering Co Ltd Fastening negligence prevention device
KR101534162B1 (en) * 2015-03-05 2015-07-07 주식회사 대원에스디 Fastening apparatus for pop nut

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004090089A (en) * 2002-07-18 2004-03-25 Newfrey Llc Method and instrument for observing fitting of blind fastener
JP2008272838A (en) * 2007-04-25 2008-11-13 Mitsubishi Electric Engineering Co Ltd Fastening negligence prevention device
KR101534162B1 (en) * 2015-03-05 2015-07-07 주식회사 대원에스디 Fastening apparatus for pop nut

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