KR900005492Y1 - Automatic breaking apparatus for main power source of nc machine - Google Patents

Automatic breaking apparatus for main power source of nc machine Download PDF

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Publication number
KR900005492Y1
KR900005492Y1 KR2019870014183U KR870014183U KR900005492Y1 KR 900005492 Y1 KR900005492 Y1 KR 900005492Y1 KR 2019870014183 U KR2019870014183 U KR 2019870014183U KR 870014183 U KR870014183 U KR 870014183U KR 900005492 Y1 KR900005492 Y1 KR 900005492Y1
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relay
contact
program
power
input signal
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KR2019870014183U
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Korean (ko)
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KR890004581U (en
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엄우섭
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대우중공업 주식회사
이경훈
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/36—Means for starting or stopping converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0009—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Numerical Control (AREA)

Abstract

내용 없음.No content.

Description

NC 공작기게의 주전원 자동 차단장치Main power automatic shut-off device of NC machine tool

제1도는 본 고안의 프로그램 제어부 입력단의 다이아그램.1 is a diagram of a program control unit input stage of the present invention.

제2도는 본 고안의 프로그램 제어부 출력단의 다이아그램.2 is a diagram of a program control unit output stage of the present invention.

제3도는 본 고안의 NC 유니트의 다이아그램.3 is a diagram of the NC unit of the present invention.

제4도는 본 고안의 제어 회로도.4 is a control circuit diagram of the present invention.

제5도는 본 고안의 프로그램 제어부 래더(ladder) 다이아그램이다.5 is a program control ladder diagram of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

PS : 전원 자동 차단용 스위치 CR2: 전원 자동 차단용 릴레이PS: Auto power off switch CR 2 : Auto power off relay

CR2: 비상 정지용 릴레이 T1, T2: PC내부 타이머CR 2 : Emergency stop relay T 1 , T 2 : PC internal timer

R3, R4: PC내부 릴레이 CB : 전원차단 트립 코일R 3 , R 4 : PC internal relay CB: Power cut trip coil

본 고안은 PC(Programable controller)를 이용한 NC공작기계의 주전원 차단장치에 관한 것이다.The present invention relates to a main power cut-off device of an NC machine tool using a programmable controller (PC).

공작기계에 있어서 한 소재를 두고 오랜시간 가공을 할 경우 작업자가 가공이 끝날때까지 대기하여야 한다면 인력의 효율적인 이용의 측면에서 커다란 손실이라 볼 수 있다.In the case of a machine tool for a long time with a material, if the worker has to wait until the end of the processing can be a huge loss in terms of efficient use of manpower.

상기와 같은 문제점을 해결하기 위해서는 공작기계의 가공 종료시 전원을 자동으로 차단시켜 주는 장치가 필요한데 종래의 NC 공작기계에는 이러한 장치가 설치되어 있지 않았다.In order to solve the above problems, a device for automatically shutting off power at the end of processing of a machine tool is required, but such a device is not installed in a conventional NC machine tool.

본 고안은 작업자가 없어도 공작기계 스스로 가공을 완료하고 자동으로 주전원까지 차단하여 생산성의 향상 및 에너지 절약의 효과를 거두는데 그 목적이 있는바, 이를 첨부 도면에 의거하여 상세히 설명하면 다음과같다.The present invention has the purpose of achieving the effect of improving the productivity and energy saving by completing the machining of the machine tool itself and automatically shut off the main power even without the operator, it will be described in detail based on the accompanying drawings.

본 고안은 제1도 내지 제5도에 나타낸 바와 같이 NC공작 기계의 프로그램 제어부의 입력단(1)에는 전원자동 차단스위치(PS)를 접속하고, 출력단(2)에는 전원 자동 차단용 릴레이(CR1)와 비상 정지용 릴레이(CR2)를 접속하고, 상기 릴레이(CR1)(CR2)의 접점(CR1-1) (CR2-1)을 NC유니트에 연결하고, 상기 릴레이(CR1)(CR2)를 제어하는 PC프로그램의 PC보조 릴레이(R3)와 프로그램 제어부의 입력 신호 접점(X1), 그리고 가공프로그램 종료 신호 접점(R1-1)(R2-1)과 릴레이(R3)의 접점(R3-1)을 직렬로 연결하고 또한, 연결된 공지의 제어프로그램(12), 릴레이(R3)의 접점(R3-3) 릴레이(R4)와 비상정지용 지연타이머(T1) 및 그것에 연결된 릴레이(R4)의 접점(R4-1)(R4-2)과 입력 신호접점(X1)을 연결하는 한편 공지의 제어 프로그램(13)과 병렬로 연결된 타이머(T)의 접점(T1-1) 및 입력신호(X1)을 프로그램 제어부의 출력신호 릴레이(Y3)에 연결하고 전원차단용 타이머(T2) 및 그것과 연결된 출력신호 릴레이(Y3)의 접점(Y3-1)과 입력신호 접점(X1)을 연결하고 프로그램 제어부의 출력신호 릴레이(Y3) 및 그것과 연결된 입력 신호 접점(X1), 그리고 릴레이(Y1)의 접점(Y1-1)과 병렬 연결된 전원차단용 타이머(T2)를 직렬 연결하고, 그리고 교류전원의 양단(a)(b)에 공지의 제어부(11)와 NC 유니트 전원공급용 마그네트 스위치(MS1)를 직렬연결하고, 상기 마그네트 스위치(MS1)의 접점(MS1-1)에 전원 자동차단스위치(PS)와 회로 차단기(CB)를 직렬로 연결함을 특징으로 한 것이다.According to the present invention, as shown in FIGS. 1 to 5, an automatic power cut-off switch PS is connected to an input terminal 1 of a program control unit of an NC machine, and an automatic power-off relay CR 1 is connected to an output terminal 2. ) And the emergency stop relay (CR 2 ) are connected, and the contacts (CR 1-1 ) (CR 2-1 ) of the relay (CR 1 ) (CR 2 ) are connected to the NC unit, and the relay (CR 1 ) PC auxiliary relay (R 3 ) of the PC program controlling (CR 2 ), input signal contact (X 1 ) of the program control part, and part program end signal contact (R 1-1 ) (R 2-1 ) and relay ( R 3 ) contacts R 3-1 are connected in series, and the connected control program 12, relay R 3 , R 3-3 relay R 4 and the emergency stop delay timer are connected. (T 1 ) and a timer connected in parallel with a known control program 13 while connecting the input signal contact (X 1 ) and the contact (R 4-1 ) (R 4-2 ) of the relay (R 4 ) connected thereto. (T) contacts (T 1-1 ) and the input signal (X 1 ) to the output signal relay (Y 3 ) of the program control unit and the contact (Y) of the power-off timer (T 2 ) and the output signal relay (Y 3 ) connected thereto 3-1 ) is connected to the input signal contact (X 1 ) and the output signal relay (Y 3 ) of the program control unit and the input signal contact (X 1 ) connected to it, and the contact (Y 1-1 ) of the relay (Y 1 ) ) Is connected in series with the power-off timer (T 2 ) connected in parallel, and the well-known control unit 11 and the NC unit power supply magnet switch (MS 1 ) are connected in series at both ends (a) and (b) of the AC power supply. And, it is characterized in that to connect the power cut-off switch PS and the circuit breaker (CB) in series to the contact (MS 1-1 ) of the magnet switch (MS 1 ).

이와 같이 구성된 본 고안의 작용효과를 설명하면 다음과 같다.Referring to the effect of the present invention configured as described above are as follows.

작업자가 소재 가공중 전원을 자동으로 차단하고자 전원 자동 차단스위치(PS)를 온(ON)한 상태에서 가공이 완료되면 NC유니트로 부터 가공 프로그램의 종료 신호가 발생하여 가공 종료 릴레이(R3)가 온되며, 그에 따라 릴레이(R3)의 접점(R3-2)아 동작하여 릴레이(R4)가 오프(OFF)된다.If the operator completes the process with the power automatic shut-off switch (PS) turned on to automatically cut off the power during the machining of the workpiece, the end signal of the part program is generated from the NC unit and the end-of-process relay (R3) is turned on. Accordingly, the relay R 4 is turned off by operating the contact R 3-2 of the relay R 3 .

따라서, 릴레이(R4)의 접점(R4-1)(R4-2)이 동작 비상 정지용 지연 타이머(Tl)가 온하여 0.5초가 지난후 타이머(T1)의 접점(T1-1)이 연결됨과 동시에 비상정지용 릴레이(CR2)가 온되어 NC유니트는 비상정지하게 된다.Thus, the contact point (T 1-1 of the contact (R 4-1) (R 4-2) the emergency stop operation delay timer (T l) the timer after 0.5 seconds, turning on (T 1) of the relay (R 4) ) Is connected and the emergency stop relay (CR 2 ) turns on and the NC unit is emergency stopped.

상기 타이머(Tl)의 접점이 연결됨에 따라 출력신호 릴레이(Y3)가 온되고 그것이 접점(Y3-1)이 동작하여 전원자동 차단용 지연 타이머(T2)가 온하며, 0.5초후 타이머(T2)의 접점(T2-1)이 연결됨과 동시에 전원 차단릴레이(CR2)가 온되고 NC 유니트의 외부 전원을 끊게 되는 것이다.As the contact point of the timer T l is connected, the output signal relay Y 3 is turned on and the contact point Y 3-1 is operated so that the delay timer T 2 for automatic power off is turned on. contact point (T 2-1) in (T 2) are connected at the same time and power-off relay (CR 2) on and will be disconnected the external power source of the NC unit.

이상에서와 같이 본 고안은 작업자가 없어도 가공이 끝나면 자동으로 전원을 차단할 수 있어 작업의 편리성을 제공해줌과 동시에 생산성 향상과 에너지 절약 측면에서 효과가 큰 유용한 고안인 것이다.As described above, the present invention can automatically cut off the power after the process even without the operator, thereby providing convenience of work, and having a great effect in terms of productivity and energy saving.

Claims (1)

NC 공작기계의 프로그램 제어부의 입력단(1)에는 전원 자동차단스위치(PS)를 접속하고, 출력단(2)에는 전원 자동 차단용 릴레이(CR1)와 비상 정지용 릴레이(CR2)를 접속하고, 상기 릴레이(CR1)(CR2)의 접점(CR1-1)(CR2-1)을 NC유니트에 연결하고, 상기 릴레이(CR1)(CR2)를 제어하는 PC프로그램의 PC보조릴레이(R3)와 프로그램 제어부의 입력신호 접점(X1), 그리고 가공프로그램 종료 신호 접점(R1-1)(R2-1)과 릴레이(R3)의 접점(R3-1)을 직렬로 연결하고, 또한 연결된 공지의 제어 프로그램(12), 릴레이(R3)의 접점(R3-3), 릴레이(R4)와 비상 정지용 지연 타이머(T1) 및 그것에 연결된 릴레이(R3)의 접점(R4-1)(R4-2)과 입력 신호접점(X1)를 연결하는 한편, 공지의 제어 프로그램(13)과 병렬로 연결된 타이머(T1)의 접점(T1-1) 및 입력신호 접점(X1)을 프로그램 제어부의 출력 신호 릴레이(Y3)에 연결하고 전원 차단용 타이머(T2) 및 그것과 연결된 출력 신호 릴레이(Y3)의 접점(Y3-1)과 입력신호 접점(X1)을 연결하고 프로그램 제어부의 출력신호 릴레이(Y1) 및 그것과 연결된 입력신호 접점(X1) 그리고, 릴레이(Y1)의 접점(Y1-1)과 병렬 연결된 전원 차단용 타이머(T2)를 직렬로 연결하고, 그리고 교류 전원의 양단(a)(b)에 공지의 제어회로(11)와 NC 유니트 전원 공급용 마그네트 스위치(MS1)를 직렬 연결하고, 상기 마그네트스위치(MS1)의 접점(MS1-1)에 전원 자동차단 스위치(PS)와 회로차단기(CB)를 직렬로 연결함을 특징으로 한 NC 공작기계의 주전원 자동 차단 장치.Connecting the input terminal (1) includes a power car end switch of the NC machine tool of the program control unit (PS), and an output terminal (2) connected to the power source automatically shut off relay (CR 1) and the emergency stop relay (CR 2), wherein relay (CR 1) of the auxiliary relay PC PC program (CR 2) a contact (CR 1-1) (CR 2-1) connected to the NC unit, and controls the relay (CR 1) (CR 2) ( R 3 ) and the input signal contact (X 1 ) of the program control part and the part program end signal contact (R 1-1 ) (R 2-1 ) and the contact (R 3-1 ) of the relay (R 3 ) in series. Of the known control program 12, relay contacts R 3-3 of relay R 3 , relay R 4 and delay timer T 1 for emergency stop, and relay R 3 connected thereto. The contact T 1-1 of the timer T 1 connected in parallel with the known control program 13 while connecting the contact R 4-1 (R 4-2 ) and the input signal contact X 1 . program and the input signal contact (X 1) of claim Connected to the negative output signal relay (Y 3) and the power-off timer for the connection (T2) and the contact point (Y 3-1) and the input signal contact (X 1) of the output signal relay (Y 3) connected to it, and program control Connect the output signal relay (Y 1 ) and the input signal contact (X 1 ) connected to it, and the power-off timer (T 2 ) connected in parallel with the contact (Y 1-1 ) of the relay (Y 1 ) in series, , and the both ends (a) (b) control circuit 11 and the NC unit, the power supply switch for the magnet (MS 1), known in the AC power supply series connection, and the contact of the magnet switch (MS 1) (MS 1- 1 ) Automatic shutoff of main power supply of NC machine tool, characterized in that the power cutoff switch (PS) and the circuit breaker (CB) are connected in series.
KR2019870014183U 1987-08-25 1987-08-25 Automatic breaking apparatus for main power source of nc machine KR900005492Y1 (en)

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Application Number Priority Date Filing Date Title
KR2019870014183U KR900005492Y1 (en) 1987-08-25 1987-08-25 Automatic breaking apparatus for main power source of nc machine

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Application Number Priority Date Filing Date Title
KR2019870014183U KR900005492Y1 (en) 1987-08-25 1987-08-25 Automatic breaking apparatus for main power source of nc machine

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KR890004581U KR890004581U (en) 1989-04-17
KR900005492Y1 true KR900005492Y1 (en) 1990-06-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100663033B1 (en) * 2005-10-29 2007-01-02 이석래 Power auto control method in power supply apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100663033B1 (en) * 2005-10-29 2007-01-02 이석래 Power auto control method in power supply apparatus

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KR890004581U (en) 1989-04-17

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