KR0169262B1 - Tool catch error prevention method and its device of gripper at the time of exchanging tools - Google Patents
Tool catch error prevention method and its device of gripper at the time of exchanging tools Download PDFInfo
- Publication number
- KR0169262B1 KR0169262B1 KR1019950055633A KR19950055633A KR0169262B1 KR 0169262 B1 KR0169262 B1 KR 0169262B1 KR 1019950055633 A KR1019950055633 A KR 1019950055633A KR 19950055633 A KR19950055633 A KR 19950055633A KR 0169262 B1 KR0169262 B1 KR 0169262B1
- Authority
- KR
- South Korea
- Prior art keywords
- tool
- air
- gripper
- main shaft
- present
- Prior art date
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Classifications
-
- 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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
- B23Q15/225—Control or regulation of position of tool or workpiece in feed control, i.e. approaching of tool or work in successive decreasing velocity steps
-
- 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
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/32—Feeding working-spindles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
본 발명은 공구교환시 그리퍼(Gripper)의 툴 캐치 에러(Tool Catch Error)방지 방법 및 그 장치에 관한 것으로, 주축(Spindle)에 장착시킨 공구에 묻은 불순물을 공기분사로 제거하게 함으로써 공구교환시 그리퍼가 정확히 공구를 잡아줄 수 있도록 하는 것이다.The present invention relates to a method and a device for preventing a tool catch error of a gripper when changing a tool. The present invention relates to a gripper for tool replacement by removing impurities from a tool mounted on a spindle by air injection. To hold the tool correctly.
이와 같은 본 발명은 주축을 정위치에 위치하도록 하는 단계와, 상기 단계에서 에어콤퓨레셔를 작동시켜 에어를 분사토록하는 단계와, 공구가 주축 정위치에 정지하고 있는지를 판단하는 단계와, 상기 단계에서 공구가 정위치에 있을 경우 공구교환 지령을 보내는 단계와, 공구교환 후 에어분사를 중지토록 하는 단계로 이루어짐을 특징으로 한다.The present invention comprises the steps of positioning the main shaft in the correct position, the step of operating the air compressor in the step to inject air, and determining whether the tool is stopped at the main shaft in position, and When the tool is in the correct position in the step it is characterized in that the step of sending a tool change command, and the step of stopping the air spray after the tool change.
Description
제1도는 본 발명을 설명하기 위한 툴캐치 에러방지 장치의 구성도.1 is a block diagram of a tool catch error preventing device for explaining the present invention.
제2도는 본 발명을 위한 회로 블럭도.2 is a circuit block diagram for the present invention.
제3도는 본 발명의 플로우챠트.3 is a flowchart of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 주축 2 : 에어콤퓨레셔1: spindle 2: air compressor
2B : 에어노즐 3 : 공구2B: Air Nozzle 3: Tool
4 : 에어 온/오프 솔레노이드밸브4: Air On / Off Solenoid Valve
본 발명은 공구교환시 그리퍼(Gripper)의 툴 캐치 에러(Tool Catch Error)방지 방법 및 그 장치에 관한 것으로, 특히 주축(Spindle)에 장착시킨 공구에 묻은 불순물을 공기분사로 제거하게 함으로써 공구교환시 그리퍼가 정확히 공구를 잡아줄 수 있도록 한 그리퍼의 툴캐치 에러방지 방법 및 그 장치에 관한 것이다.The present invention relates to a method and a device for preventing a tool catch error of a gripper during tool change, and more particularly, to remove impurities from a tool mounted on a spindle by air injection. The present invention relates to a gripper tool catch error prevention method and apparatus for allowing a gripper to hold a tool accurately.
종래, 공구교환을 위한 지령시에는 단지 그리퍼가 정확한 위치를 잡아주기 위하여 오리엔테이션 M-code지령만의 활용으로 주축의 위치만을 일정하게 잡아주도록 되어 있다.Conventionally, in order to change the tool, only the gripper uses the orientation M-code command to hold the position of the main shaft constantly in order to hold the correct position.
이와 같은 경우 상기 그리퍼가 주축의 위치를 잡을 위치만을 항상 정위치에 놓을 뿐 가공작업 중에 절삭유와 칩등이 가공완료한 공구의 임의위치 즉, 그리퍼가 잡을 위치인 공구에 묻어 있을 경우 이를 제어하기 위한 시스템이나 기계적 장치가 없어 공구를 놓칠 염려가 있다.In this case, the gripper always keeps only the position where the gripper is to be positioned in the home position, but the cutting oil and the chip, etc., during the machining operation are in control of the finished position of the tool, that is, the gripper's position. There is a risk of missing the tool due to the lack of mechanical devices.
특히 현재 공작기계의 시스템을 자동화 개념으로 큰 공작물을 가공시 적게는 10시간에서 24시간이 넘게 가공시간이 소모되는데, 공작기계 사용자는 공작물 가공 과정을 지켜보지 않고 오토모드 상태에서 프로그램을 수행시키고 있다.Particularly, when machining large workpieces with the automation concept of machine tool system, it takes less than 10 to 24 hours of machining time, and the user of the machine tool executes the program in auto mode without watching the workpiece machining process. .
따라서, 상술한 바와 같이 그리퍼가 공구를 놓친다든지 하는 사소한 에러가 발생되고, 이로 인해 경고음이 발생되어 자동 프로그램의 수행이 정지되게 되면, 공작물의 가공시간은 그만큼 길어지게 되며, 이로 인한 손실은 막대하다 할 것이다.Therefore, as described above, if a minor error occurs that the gripper misses the tool, and a warning sound is generated and the automatic program is stopped, the machining time of the workpiece becomes that long, resulting in enormous loss. something to do.
본 발명은 상기와 같은 제반 종래의 문제점을 해소하기 위하여 창안된 것으로 공구교환시 그리퍼가 정확하고도 안정성 있게 공구를 잡아줄 수 있도록 함으로써 에러를 방지하도록 하여 공작기계의 시스템의 자동화를 주어진 시간에 원활하게 수행할 수 있도록 하는데 그 목적이 있다.The present invention was devised to solve the above-mentioned conventional problems, and it is possible to smoothly automate the system of the machine tool at a given time by preventing the error by allowing the gripper to hold the tool accurately and stably during tool change. Its purpose is to make it work.
상기한 목적을 달성하기 위한 방법은 주축을 정위치에 위치하도록 하는 단계와, 상기 단계에서 에어콤퓨레셔를 작동시켜 에어를 분사토록하는 단계와, 공구가 주축 정위치에 정지하고 있는지를 판단하는 단계와, 상기 단계에서 공구가 정위치에 있을 경우 공구교환 지령을 보내는 단계와, 공구교환 후 에어분사를 중지토록 하는 단계로 이루어지도록 하므로서 달성된다.A method for achieving the above object is the step of positioning the main shaft in position, operating the air compressor in the step of injecting air, and determining whether the tool is stopped in the main shaft position And a step of sending a tool change command when the tool is in the correct position in the above step, and stopping the air spray after the tool change.
그리고 본 발명은 상기 과정을 수행하기 위하여 에어콤퓨레셔에 연결된 에어공급관과, 상기 에어공급관을 주축 종방향으로 배설하고 그리퍼의 캐치부를 향하여 위치토록 하는 에어노즐과, 상기 에어공급관에 설치한 에어 온/오프 솔레노이드 밸브와 상기 에어 온/오프 솔레노이드밸브를 제어하는 제어반으로 구성함으로서 달성된다.The present invention provides an air supply pipe connected to an air compressor to perform the above process, an air nozzle for disposing the air supply pipe in the longitudinal direction of the main shaft and positioned toward the catch portion of the gripper, and an air on installed in the air supply pipe. And a control panel for controlling the on / off solenoid valve and the air on / off solenoid valve.
이하, 본 발명을 첨부한 도면에 의하여 구체적으로 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings of the present invention.
즉, 제1도 및 제3도에 도시한 바와 같이 본 발명은 주축(1)을 정위치에 위치하도록 하는 단계(S1)와 상기 단계(S1)에서 에어콤퓨레셔(2)를 작동(M-code 지령에 의하여)시켜 에어를 분사토록 하는 단계(S2)와, 공구(3)가 주축(1)정위치에 정지하고 있는지를 판단하는 단계(S3)와, 상기 단계(S3)에서 공구(3)가 정위치하고 있을 경우 공구교환 지령을 보내는 단계(S4)와, 공구(3)교환 후 에어분사를 중지토록 하는 단계(S5)로 하여 공구(3)에 묻어 있는 불순물을 자동적으로 제거하게 함으로써 그리퍼가 공구(3)를 확실하고도 안정성 있게 잡을 수 있게 되는 것이다.That is, as shown in FIG. 1 and FIG. 3, the present invention operates the air compressor 2 in the step S 1 and the step S 1 to position the main shaft 1 in position. (S 3 ) for injecting air (by M-code command), determining whether the tool 3 is stopped at the main shaft 1 in the correct position (S 3 ), and the step (S) 3) to the tool (step of ever 3) If the located information and sending a tool change command (S 4) and a tool (3) to stop the air blast and then exchange (S 5) in the adhering to the tool (3) By automatically removing impurities, the gripper can hold the tool 3 reliably and stably.
상기에 있어서, 에어콤퓨레셔(2)에 연결되는 에어공급관(2A)은 주축(1)의 종방향을 따라 내설시키되, 에어공급관(2A)끝단부의 에어노즐(2B) 방향을 공구(3)에 있어서 공구교환 암의 집게 잡는 요입부분(3A)를 향해 위치토록 하고, 에어공급관(2A)중간부에 에어 온/오프 솔레노이드밸브(4)를 설치하며, 상기 솔레노이드밸브(4)는 제어반(5)의 제어신호에 의해 개폐 자재토록 한다.In the above, the air supply pipe (2A) connected to the air compressor (2) is installed in the longitudinal direction of the main shaft (1), the air nozzle (2B) at the end of the air nozzle (2B) direction of the tool (3) In the center of the air supply pipe (2A), the air on / off solenoid valve (4) is installed in the middle of the air supply pipe (2A), the solenoid valve (4) is a control panel (5) Open and close by the control signal of).
여기서 도면중 미설명 주호 6은 CNC 제어부이다.Here, reference numeral 6 in the drawings is a CNC control unit.
한편 제2도는 본 발명을 설명하기 위한 회로블럭도로서 CNC 제어부(6)의 출력 어드레스로서 에어 온/오프 솔레노이드밸브(4)를 제어하도록 한다. 여기서 도면중 미설명부호 7은 스파크킬이다.2 is a circuit block diagram for explaining the present invention to control the air on / off solenoid valve 4 as an output address of the CNC controller 6. In the drawings, reference numeral 7 denotes a spark kill.
이와 같이 구성되고 수행되는 본 발명은 하드웨어적으나 소프트웨어적으로 큰 변경없이도 공구에 묻은 불순물을 공작물 가공작업 도중 에어로서 제거함으로써 그리퍼가 보다 확실하게 공구를 잡을 수 있고, 따라서 공작물 가공시 가공 중단없이 효율적으로 가공작업을 수행할수 있으며, 매거진(Magazine)자체의 칩이나 오일에 의한 이물질을 크게 줄일 수 있는 특징이 있다.The present invention constructed and carried out as described above allows the gripper to hold the tool more reliably by removing impurities, such as air, during the machining of the work piece without any major change in hardware but software. Machining process can be performed, and the magazine itself has a feature that can greatly reduce foreign matters caused by chips or oil.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950055633A KR0169262B1 (en) | 1995-12-23 | 1995-12-23 | Tool catch error prevention method and its device of gripper at the time of exchanging tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950055633A KR0169262B1 (en) | 1995-12-23 | 1995-12-23 | Tool catch error prevention method and its device of gripper at the time of exchanging tools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970033437A KR970033437A (en) | 1997-07-22 |
| KR0169262B1 true KR0169262B1 (en) | 1999-02-01 |
Family
ID=19443860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950055633A KR0169262B1 (en) | 1995-12-23 | 1995-12-23 | Tool catch error prevention method and its device of gripper at the time of exchanging tools |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR0169262B1 (en) |
-
1995
- 1995-12-23 KR KR1019950055633A patent/KR0169262B1/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| KR970033437A (en) | 1997-07-22 |
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