KR950008354Y1 - Device for detecting position of automatic tool exchange in machine tool - Google Patents

Device for detecting position of automatic tool exchange in machine tool Download PDF

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Publication number
KR950008354Y1
KR950008354Y1 KR2019930016403U KR930016403U KR950008354Y1 KR 950008354 Y1 KR950008354 Y1 KR 950008354Y1 KR 2019930016403 U KR2019930016403 U KR 2019930016403U KR 930016403 U KR930016403 U KR 930016403U KR 950008354 Y1 KR950008354 Y1 KR 950008354Y1
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South Korea
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tool
limit switch
tool change
driving
changer
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KR2019930016403U
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Korean (ko)
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KR950005849U (en
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김찬수
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주식회사 기아기공
김재복
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    • 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
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/002—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders
    • B23Q17/003—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders by measuring a position
    • 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/15503—Processes characterized by special sequencing of operations or the like, e.g. for optimizing tool changing time or capacity in tool storage

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)

Abstract

내용 없음.No content.

Description

공작기계의 자동 공구교환위치 검출장치Automatic tool change position detection device for machine tools

제1도는 본 고안의 흐름도.1 is a flow chart of the present invention.

제2도는 본 고안의 회로도.2 is a circuit diagram of the present invention.

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

LS1-LS3 : 리미트스위치 X1-X3 : 리미트스위치입력LS1-LS3: Limit switch X1-X3: Limit switch input

X3a, X3b : 리미트스위치 입력접점 Y1, Y2 : 리미트스위치출력X3a, X3b: Limit switch input contact Y1, Y2: Limit switch output

CR : 릴레이 LP : 경보램프CR: Relay LP: Alarm Lamp

CRa : 릴레이접점 MS : 모우터스위치CRa: Relay contact MS: Motor switch

본 고안은 공작기계의 자동 공구교환에 있어서 공구교환의 위치를 기계적으로 검출함으로써 공구교환의 오동작을 방지하기 위한 자동 공구교환위치 검출장치에 관한 것이다.The present invention relates to an automatic tool change position detecting device for preventing malfunction of tool change by mechanically detecting the position of tool change in automatic tool change of a machine tool.

일반적으로 공작기계에 있어서, 자동 공구교환장치(Auto Tool Change : ATC)는 필수불가결한 장치로써 공작기계의 각축은 자동 공구교환장치를 위한 위치로 이동하도록 지령한다. 자동 공구교환위치의 이동이 완료되면 공구교환의 지령을 하고 이때, 공구수납기관의 위치 및 공구교환장치의 원점위치가 확인되면 공구교환장치를 동작시킨다. 공구교환장치가 동작되고 공구의 교환이 일어난 후에 다시 공구교환장치가 원점리미트스위치의 입력을 받으면 공구교환장치용 릴레이는 동작을 종료하게 된다.In general, in machine tools, an auto tool changer (ATC) is an indispensable device, which commands each axis of the machine tool to move to a position for the auto tool changer. When the movement of the automatic tool change position is completed, a tool change command is issued. At this time, when the position of the tool storage engine and the home position of the tool change device are confirmed, the tool change device is operated. When the tool changer is operated and the tool changer receives the input of the home limit switch again after the tool change occurs, the tool changer relay terminates the operation.

종래의 경우에는 공구교환을 하기 위하여 공작기계에서 공구교환의 위치로 각축을 보냈지만 실제로 각축이 공구교환장치에 있지 않을 경우도 있다. 즉, 공작기계에서는 이동지령후에 실제 각축의 이동된 위치를 확인해야 하지만 그 위치가 실제 공구교환의 위치와 맞지않을 경우에는 공구교환의 위치가 아닌곳에서 공구교환장치가 동작하여 여타 기계구조물과의 충돌문제점이 있었다. 즉, 제2의 원점복귀신호로 자동 공구교환위치의 동작지령이 일어나므로 위험이 내재되어 있었다.In the conventional case, each axis is sent from the machine tool to the position of the tool change in order to change the tool, but in some cases, the axis is not actually in the tool changer. In other words, the machine tool should check the actual position of each axis after the movement command, but if the position does not match the position of the actual tool change, the tool changer will operate at the position other than the position of the tool change to There was a crash problem. That is, since the operation command of the automatic tool change position is generated by the second homing signal, a danger is inherent.

본 고안은 상기와 같은 문제점을 감안하여 안출한 것으로 공구교환의 위치를 기계적으로 검출하여 공구교환장치의 오동작을 방지한 것으로 구성을 살펴보면 다음과 같다.The present invention has been made in view of the above problems to look at the configuration to prevent the malfunction of the tool changer by mechanically detecting the position of the tool change as follows.

공작기계의 축이동을 위한 지령으로 축의 위치를 확인하는 매거진위치확인용 리미트스위치(LS1) 및 트윈아암원점확인용 리미트스위치(LS2)와 제2원점 복귀신호로 공구교환장치구동용 릴레이에 의해 공구교환이 이루어지는 공구교환위치 검출장치에 있어서, 공구의 교환위치, 공구수납기관의 위치 및 공구교환의 원점확인 등을 실행하는 공구교환위치확인용 이미트스위치(LS3)와, 리미트스위치입력(X3)으로 구동되는 입력접점(X3a)(X3b)과, 입력접점위치(X3a)(X3b)으로 출력되는 리미트스위치출력(Y1)(Y2)과, 리미트스위치출력(Y1)으로 공구교환을 실행시키는 공구교환장치구동용 릴레이(CR)와, 공구교환위치가 적합하지 않을 경우에 리미트스위치출력(Y2)으로 경보를 울리는 경보램프(LP)와, 공구교환장치구동용 릴레이접점(CRa)의 구동으로 공구교환장치구동용 모우터(M)를 작동시키는 공구교환장치구동용 모우터스위치(MS)를 구비하였다.The magazine position check limit switch (LS1) for checking the position of the axis as a command for the axis movement of the machine tool, the limit switch (LS2) for the check point of the twin arm origin, and the tool by the relay for driving the tool changer with the second home return signal. In the tool change position detecting device for which a change is made, the tool change position check switch LS3 for performing the tool change position, the position of the tool storage engine, and the origin change of the tool change, and the limit switch input X3 Tool change to execute tool change by the input contact point X3a (X3b), the limit switch output Y1 (Y2) and the limit switch output Y1 outputted to the input contact point X3a (X3b) driven by the Tool change by the drive of the device drive relay (CR), the alarm lamp (LP) which sounds an alarm with the limit switch output (Y2) when the tool change position is not suitable, and the relay contact (CRa) for the tool changer drive. Driving device It was provided with a foundation (M) Motor driven tool changer for Tuscan position (MS) for operating.

이하 본 고안의 작용효과를 상세히 설명하면 다음과 같다.Hereinafter will be described in detail the effect of the present invention.

제1도는 본 고안의 흐름도로서 공작기계에서 공구교환위치로 각축의 이동을 지령하면, 축이 이동을 하고 이동이 완료되면 공구교환을 실행하도록 지령한다. 이때, 공구의 교환위치나 공구수납기관의 위치 및 공구교환장치의 원점확인 등을 확인하고 공구의 교환위치를 동작시킨다.1 is a flowchart of the present invention, when a machine tool commands the movement of each axis from the machine tool to the tool change position, the axis moves and the tool change command is executed when the movement is completed. At this time, check the exchange position of the tool, the position of the tool storage engine and the origin check of the tool changer, and operate the exchange position of the tool.

만일 공구의 교환위치가 적합하지 않을 경우에는 경보램프(LP)로써 경보를 하게된다.If the tool change position is not suitable, the alarm lamp (LP) will alarm.

공구교환장치가 동작하여 공구가 교환이 되고난 후에 다시 공구교환장치가 원점확인을 받으면 공구교환장치는 공구교환을 실행하고 동작을 종료한다.If the tool changer receives the origin check again after the tool changer operates and the tool is changed, the tool changer executes the tool change and terminates the operation.

제2도는 본 고안의 회로도를 도시한 것으로, 공작기계의 축이동을 위한 지력으로 각축이 자동 공구교환장치를 위한 위치로 이동한다. 이때, 매거진위치확인용 리미트스위치(LS1)와 트윈아암원점확인용 리미트스위치(LS2)가 작동되고 공구교환확인용 리미트스위치(LS3)가 작동되면 리미트스위치입력(X3)의 입력접점(X3a)(X3b)이 동작되어 다수개의 리미트스위치출력(Y1)(Y2)이 작동된다.Figure 2 shows a circuit diagram of the present invention, each axis is moved to the position for the automatic tool changer by the intelligent force for the axis movement of the machine tool. At this time, when the magazine position check limit switch LS1 and the twin arm origin check limit switch LS2 are operated, and the tool change check limit switch LS3 is operated, the input contact point X3a of the limit switch input X3 ( X3b) is operated to activate a plurality of limit switch outputs Y1 (Y2).

리미트스위치출력(Y1)이 작동되면 공구교환장치구동용 릴레이(CR)가 작동되므로 릴레이접(CRa)으로 모우터스위치(MS)를 작동시켜 모우터(M)를 구동시킨다. 그러므로 모우터(M)의 구동으로 공구교환이 이루어지게 된다.When the limit switch output (Y1) is operated, the tool change device driving relay (CR) is operated, thereby driving the motor (M) by operating the motor switch (MS) with the relay contact (CRa). Therefore, the tool change is made by driving the motor (M).

한편, 리미트스위치출력(Y2)이 작동되면 경보램프(LP)가 자동되어 공구교환위치가 적합하지 않음을 경보하는 것이다.On the other hand, when the limit switch output (Y2) is activated, the alarm lamp LP is automatically alerted that the tool change position is not suitable.

본 고안은 공작기계의 자동 공구교환장치의 위치확인을 받지 않은 상태에서는 공구교환이 이루어지지 않으므로 공구교환장치의 오동작을 사전에 방지하며 공작기계 안전성이 향상된다. 또한 공구교환위치확인용 리미트스위치(LS3)를 자동 공구교환장치용으로 사용함으로써 Z축상의 자동 공구교환장치의 교환위치를 검출해냄으로 보다 향상된 효과를 기대할 수 있다.The present invention prevents the malfunction of the tool changer in advance and improves the safety of the machine tool since the tool change is not performed in the state where the automatic tool changer of the machine tool is not checked. In addition, by using the tool change position limit switch LS3 for the automatic tool changer, an improved effect can be expected by detecting the change position of the automatic tool changer on the Z axis.

Claims (1)

공작기계의 축이동을 위한 지령으로 축의 위치를 확인하는 매거진위치확인용 리미트스위치 및 트윈아암원점확인용 리미트스위치와 제 2원점 복귀신호로 공구교환장치구동용 릴레이에 의해 공구교환이 이루어지는 공구교환위치 검출장치에 있어서, 공구의 교환위치, 공구수납기관의 위치 및 공구교환장치의 원점확인 등을 실행하는 공구교환위치확인용 리미트스위치(LS3)와, 리미트스위치입력(X3)으로 구동되는 입력접점(X3a)(X3b)과, 입력접점(X3a)(X3b)으로 출력되는 리미트스위치출력(Y1)(Y2)과, 리미트스위치출력(Y1)으로 공구교환을 실행시키는 공구교환장치구동용 릴레이(CR)와, 공구교환위치가 적합하지 않을 경우에 리미트스위치출력(Y2)으로 경보를 울리는 경보램프(LP)와, 공구교환 장치구동용 릴레이접점(CRa)의 구동으로 공구교환장치구동용 모우터(M)를 작동시키는 공구교환장치구동용 모우터스위치(MS)가 구비된 것을Tool change position where tool change is performed by a tool change device driving relay with a magazine position check limit switch for checking the position of the axis as a command for moving the machine tool, a limit switch for twin arm origin check, and a second home return signal. In the detection apparatus, a tool change position check limit switch LS3 for performing a tool change position, a tool storage engine position, and an origin check of a tool changer, and an input contact driven by a limit switch input X3 ( Tool change device drive relay (CR) for performing tool change by the X3a) (X3b), the limit switch output (Y1) (Y2) output to the input contacts (X3a) (X3b), and the limit switch output (Y1). And an alarm lamp (LP) that sounds an alarm with the limit switch output (Y2) when the tool change position is inappropriate, and a motor (M) for driving the tool changer by driving the relay contact (CRa) for driving the tool changer. ) Equipped with a motor switch (MS) for driving a tool changer 특징으로 하는 공작기계의 자동 공구교환위치 검출장치.Automatic tool change position detection device for machine tools.
KR2019930016403U 1993-08-24 1993-08-24 Device for detecting position of automatic tool exchange in machine tool KR950008354Y1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100725601B1 (en) * 2006-06-23 2007-06-11 이현화 Chucking device of machining center

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040012027A (en) * 2002-07-31 2004-02-11 위아 주식회사 Return apparatus of machining center ATC

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100725601B1 (en) * 2006-06-23 2007-06-11 이현화 Chucking device of machining center

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