WO2016163669A1 - Dispositif et procédé de réglage de coordonnées de machine-outil - Google Patents

Dispositif et procédé de réglage de coordonnées de machine-outil Download PDF

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Publication number
WO2016163669A1
WO2016163669A1 PCT/KR2016/002927 KR2016002927W WO2016163669A1 WO 2016163669 A1 WO2016163669 A1 WO 2016163669A1 KR 2016002927 W KR2016002927 W KR 2016002927W WO 2016163669 A1 WO2016163669 A1 WO 2016163669A1
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WO
WIPO (PCT)
Prior art keywords
base material
axis
reference line
virtual reference
shape
Prior art date
Application number
PCT/KR2016/002927
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English (en)
Korean (ko)
Inventor
배종외
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배종외
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 배종외 filed Critical 배종외
Publication of WO2016163669A1 publication Critical patent/WO2016163669A1/fr

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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
    • 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
    • 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
    • B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
    • 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
    • B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • 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
    • G05B19/401—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 control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes

Definitions

  • the present invention relates to an apparatus and method for setting the coordinate reference of the base material seated on the machine tool, and more specifically, to the coordinate reference point of the X-axis and Y-axis of the base material by placing the reference point of the base material on the virtual reference line of the image photographing the base material It relates to a coordinate setting apparatus and method that can be set faster and easier.
  • a machine tool such as a machining center processes a base material mounted on a bed using a cutting device.
  • the bed is moved in the left-right direction (X-axis direction) and the front-rear direction (Y-axis direction), and the tool is moved in the vertical direction (Z-axis direction) so as to three-dimensionally cut the base material seated on the bed.
  • the work of setting the coordinate values of the X-axis and the Y-axis on the program to match the base material.
  • a separate measuring device is mounted on the bed or spindle to set the coordinates for processing the base material.
  • the stylus touches the bed or spindle and the indicator needle is touched by the stylus. It consists of a dial gauge that is changed to indicate the scale value.
  • 1 is a state diagram used in the conventional machining base material coordinate setting device.
  • the conventional machining base material coordinate setting device 40 is a device for setting the coordinate reference of the base material seated on the bed 11 horizontally moved horizontally and horizontally from side to side in the machine tool 10. It is mounted on the lower end of the spindle 12 vertically moved up and down.
  • the processing base material coordinate setting device 40 is provided with a stylus 50 at the bottom, the stylus 50 is formed in a rod shape of a predetermined length, is configured to determine the position of the base material by contacting the side of the base material. .
  • the conventional workpiece coordinate setting device 40 sets the X axis coordinates by contacting the stylus 50 on the left or right side of the base material, and the Y axis coordinates by contacting the stylus 50 on the front or rear side of the base material. It is configured to set the bar, in order to set the coordinate reference point of the base material, that is, the zero point of the coordinates should be in contact with the base material at least two times the stylus (50). As described above, the stylus 50 may not only take a lot of time to contact the base material more than two times, but also has a disadvantage in that the stylus 50 or the base material may be damaged while the stylus 50 is in contact with the base material.
  • the conventional machining base material coordinate setting device 40 can hold a coordinate reference point when the base material is a rectangular parallelepiped, that is, when two adjacent outer surfaces form a right angle, but the outer surface of the base material does not form a right angle. There is a disadvantage in that the coordinate reference point cannot be set.
  • the present invention has been proposed to solve the above problems, it is possible to set the reference coordinate of the base material without directly touching the base material, can set the reference coordinate of the base material regardless of the shape of the base material, more quickly and easily
  • An object of the present invention is to provide a machine tool coordinate setting apparatus and method capable of setting a reference coordinate.
  • Machine tool coordinate setting apparatus for achieving the above object is configured to be transported in the left and right and the front and rear direction, the mounting bed is the base material is seated; A camera mounted on an upper side of the seating bed to photograph the base material; A monitor for outputting a planar shape of the base material photographed by the camera and additionally outputting a virtual reference line to the output image; A controller configured to transfer the seating bed so that the reference plane of the base material matches the virtual reference line output to the monitor, and set the center of the virtual reference line to zero coordinates when the reference plane of the base material matches the virtual reference line; And an input unit configured to input shape information of the base material and operation signals of the respective units.
  • the virtual reference line includes a first axis and a second axis that cross each other, and the crossing angle between the first axis and the second axis is changed according to the shape of the base material.
  • the point where the first axis and the second axis meet each other when the seating bed is transferred so that two edges of the base material coincide with the first axis and the second axis is set to zero coordinates.
  • the virtual reference line is formed in a circle or ellipse shape, the size and shape is changed according to the shape of the base material.
  • the virtual reference line includes a first axis and a second axis that cross each other, and the third step further includes changing a crossing angle between the first axis and the second axis according to the shape of the base material.
  • the virtual reference line may be formed in a circle or ellipse shape, and the third step may further include changing the size and shape of the virtual reference line according to the shape of the base material.
  • the second step further includes the step of measuring the height of the base material by irradiating the laser to the upper surface of the seating bed and the upper surface of the base material and measuring the time that the laser is reflected back.
  • a point at which the center of the virtual reference line is located among the upper surfaces of the base material is set to three-dimensional zero coordinates.
  • the machine tool coordinate setting device and method according to the present invention it is possible to quickly and easily set the reference coordinates of the base material, and to set the reference coordinates of the base material without directly touching the base material damage to the base material damage or equipment damage It can be prevented, there is an advantage that can set the reference coordinate of the base material regardless of the shape of the base material.
  • 1 is a state diagram used in the conventional machining base material coordinate setting device.
  • FIG. 2 is a schematic diagram of a machine tool coordinate setting device according to the present invention.
  • FIG. 3 is a flow chart of a machine tool coordinate setting method according to the present invention.
  • 6 to 8 sequentially show a second embodiment of the process of setting the reference coordinate of the base material using the machine tool coordinate setting apparatus according to the present invention.
  • FIG 2 is a schematic diagram of a machine tool coordinate setting apparatus according to the present invention
  • Figure 3 is a flow chart of the machine tool coordinate setting method according to the present invention
  • Figures 4 and 5 using the machine tool coordinate setting apparatus according to the present invention The process of setting the reference coordinate of the base material is shown in sequence.
  • the machine tool coordinate setting device sets zero coordinates of the base material to be processed by a machine tool such as a machining center (hereinafter, abbreviated as 'base material'), that is, a coordinate point in which both X-axis coordinates and Y-axis coordinates are zero.
  • a machine tool such as a machining center (hereinafter, abbreviated as 'base material')
  • 'base material' a machine tool
  • 'base material' a machine tool that is, a coordinate point in which both X-axis coordinates and Y-axis coordinates are zero.
  • the machine tool coordinate setting apparatus by outputting a separate virtual reference line at the same time with the photographed shape of the base material, it is configured to set the zero coordinates when the outer end of the base material to match the virtual reference line There is a characteristic.
  • the machine tool coordinate setting device is configured to be transportable in left and right and front and rear directions, and is mounted on the seating bed 100 on which the base material 1 is seated, and mounted on an upper side of the seating bed 100.
  • the seating bed 100 is configured to be horizontally moved on the X-axis and the Y-axis by a separate driving device (not shown) by the distance input through the input unit 500, as described above. Since the seating bed 100 which is horizontally moved in the X-axis and the Y-axis according to the input value is a component already commercialized in the conventional machine tool, a detailed description thereof will be omitted.
  • the machine tool coordinate setting device since the zero coordinate of the base material 1 can be set without directly contacting the separate stylus with the base material 1, damage to the stylus or the base material 1 ) Has the advantage of preventing damage.
  • the maintenance cost is relatively high because the stylus must be replaced periodically, but the machine tool coordinate setting device according to the present invention has an advantage that the maintenance cost is significantly reduced because there are no parts to be replaced separately.
  • the stylus in the case of using the method of contacting the stylus with the base material 1, if the stylus is excessively compressed to the base material 1, the stylus may be damaged, and if the stylus is not completely in contact with the base material 1, the zero coordinate setting is performed. Since an error may occur, the stylus should be brought into contact with the base material 1 with an appropriate magnitude of force. As such, there is a disadvantage in that a high degree of skill of the operator is required to properly maintain the contact pressure between the stylus and the base material 1. However, in the case of setting the zero coordinate of the base material 1 by the method according to the present invention, there is an advantage that even a low skilled worker can set the zero coordinate accurately because no additional skill is required.
  • the seating bed 100 should be moved a proper distance in the X-axis and Y-axis directions.
  • the movement of the seating bed 100 may be implemented through a process in which a worker manipulates a jog shuttle provided in the input unit 500 while watching the image 310 on the monitor 300.
  • the jog shuttle moves the seating bed 100 to the X-axis and the Y-axis to position the reference vertex of the base material 1 at the point where the first axis 322 and the second axis 324 intersect. Since the work is not high, even a skilled worker can set the zero coordinate correctly.
  • the operation of positioning the reference vertex of the base material 1 at the point where the first axis 322 and the second axis 324 intersect may be automatically implemented.
  • the reference bed of the base material 1 may be configured to automatically move the seating bed 100 in the X-axis and Y-axis directions using a tracking system for finding the intersection of the virtual reference line 320.
  • a tracking system is implemented in various ways in the field of tracking the movement of the vehicle or the track of the missile, so a detailed description thereof will be omitted.
  • the machine tool coordinate setting device the laser measurement capable of measuring the height of the base material 1 so that the zero point to the height of the base material 1, that is, the point where the Z-axis coordinate value is 0 can be set.
  • Unit 600 may be further provided.
  • the laser measuring unit 600 is a time difference when the laser is reflected back when the laser is irradiated on the upper surface of the seating bed 100, and a time difference when the laser is reflected back when the laser is irradiated on the upper surface of the base material (1) It is configured to calculate the height of the base material through.
  • the upper surface of the base material 1 may be set to a point at which the Z-axis coordinate value is 0.
  • the center of the virtual reference line 320 is positioned among the upper surfaces of the base material 1. This point can be set as a three-dimensional zero coordinate.
  • 6 to 8 sequentially show a second embodiment of the process of setting the reference coordinate of the base material 1 using the machine tool coordinate setting device according to the present invention.
  • the base material 1 reference lines when the base material 1 reference lines are arranged at an acute angle, the first axis 322 and the second axis 324 are aligned with two neighboring base material 1 reference lines, respectively.
  • the base material 1 reference line is defined as the first axis 322 and the second axis. 324, respectively.
  • the intersection point between the first axis 322 and the second axis 324 is a virtual vertex of the base material 1 reference line. It is possible to precisely process the base material 1 by setting the virtual vertices of the base material 1 reference line to zero coordinates.
  • the reference line is arranged at an acute angle, but even when the base material (1) the reference line is arranged at an obtuse angle is made according to the direction of the base material (1) reference line.
  • the base material (1) reference line is arranged at a right angle
  • the base material (1) reference line is arranged to be inclined at an angle to the X axis and the Y axis
  • the virtual vertices of the baseline cannot be found accurately.
  • the first axis 322 and the second axis 324 are rotated to be aligned with the base material 1 reference line, and then the base material 1 reference line is aligned with the first axis 322 and the second axis ( 324), it is possible to accurately find the virtual vertex of the base material (1) baseline.
  • the virtual reference line 320 When the planar shape of the base material 1 is formed in a circular or oval shape, when the virtual reference line 320 forms a cross shape, the crossing angle between the first axis 322 and the second axis 324 of the virtual reference line 320 is changed. Even if it is, even if the base material (1) baseline can not match the virtual reference line (320). Therefore, the virtual reference line 320 output on the monitor 300 may be formed in a circular or elliptical shape.
  • the virtual reference line 320 may also be configured to be circularly output.
  • the operator enlarges the size of the virtual reference line 320 according to the diameter of the base material 1 as shown in FIG. 10, and then the base material as shown in FIG. 11.
  • aligning the edge of (1) with the virtual reference line 320 it is possible to set the zero coordinate to the center point of the base material (1).
  • the center point of the circular base material (1) was not exactly found by the method of touching the base material (1) with a stylus as in the prior art, the virtual reference line 320 is used when using the machine tool coordinate setting apparatus according to the present invention
  • the center point of the circular base material 1 can be found accurately, and by setting the center point of the base material 1 to zero coordinates, the circular base material 1 can be processed more easily and precisely.
  • the center of the base material 1 can be accurately found even when the planar shape of the base material 1 is elliptical. That is, the virtual reference line 320 is output in an elliptical shape, the long axis length and the short length of the base material 1 are input to the input unit 500, and the virtual reference line 320 is of the same size and shape as the base material 1. By changing, the outer end of the base material 1 can be exactly matched to the virtual reference line 320.
  • the center of the virtual reference line 320 becomes the center of the base material 1, so that the center of the base material 1 can be set to zero coordinates. do.
  • the technology of forming the same line as the plane shape of the base material 1 by inputting the planar shape value of the base material 1 is already commercially available in various fields, detailed description thereof will be omitted.
  • the X-axis standard and Y-axis standard of the base material 1 can be calculated at one time.
  • the standard of the base material (1) can be accurately calculated only by the operation of matching the vertices of the virtual reference line 320 and the base material (1).
  • the Z-axis specification of the base material 1 can also be calculated by measuring the height of each part of the base material 1 using the laser measuring unit 600.
  • the coordinate setting device can not only set the zero coordinate of the base material 1, but also measure the size of each direction of the finished base material 1, which has the advantage of excellent usability. .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Optics & Photonics (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
  • Numerical Control (AREA)

Abstract

La présente invention concerne un dispositif de réglage de coordonnées de machine-outil, comprenant : un banc de montage conçu de façon à permettre un transfert dans les directions vers la gauche, vers la droite, vers l'avant et vers l'arrière, et sur lequel est monté un matériau mère ; une caméra fournie sur le côté supérieur du banc de montage de façon à photographier le matériau mère ; un moniteur délivrant en sortie une forme plane du matériau mère photographié par la caméra de façon à produire en outre en sortie une ligne de référence virtuelle sur une image délivrée en sortie ; une unité de commande pour transférer le banc de montage de telle sorte qu'un plan de référence du matériau mère est cohérent avec la ligne de référence virtuelle délivrée en sortie sur le dispositif de surveillance, puis régler un centre de la ligne de référence virtuelle en tant que coordonnées de point zéro si le plan de référence du matériau mère est cohérent avec la ligne de référence virtuelle ; et une unité d'entrée pour saisir des informations de forme du matériau mère et un signal de fonctionnement de chaque unité. Lors de l'utilisation du dispositif et d'un procédé de réglage de coordonnées de machine-outil, selon la présente invention, les coordonnées de référence d'un matériau mère peuvent être réglées d'une manière plus rapide et plus simple, les coordonnées de référence du matériau mère peuvent être réglées, même sans toucher directement le matériau mère, de telle sorte qu'un dommage au matériau mère ou un dommage à l'équipement peut être empêché, et les coordonnées de référence du matériau mère peuvent être réglées indépendamment de la forme du matériau mère.
PCT/KR2016/002927 2015-04-08 2016-03-23 Dispositif et procédé de réglage de coordonnées de machine-outil WO2016163669A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2015-0049458 2015-04-08
KR1020150049458A KR101548299B1 (ko) 2015-04-08 2015-04-08 공작기계 좌표설정장치 및 방법

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111069973A (zh) * 2019-12-24 2020-04-28 北京航星机器制造有限公司 一种复杂外形铸件快速找正的方法及装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016100308A1 (de) * 2016-01-11 2017-07-13 Datron Ag Verfahren zur Bestimmung von einer Referenzkoordinate eines Werkstücks und Bearbeitungsmaschine

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JP2003205440A (ja) * 2002-01-09 2003-07-22 Hokuto Tekko:Kk 自動孔開け装置
JP2004202634A (ja) * 2002-12-25 2004-07-22 Nikon Corp 芯出し装置
KR100544380B1 (ko) * 2001-09-17 2006-01-23 우시오덴키 가부시키가이샤 사행 수정 기구를 구비한 띠 형상 작업편의 노광 장치
KR20100090458A (ko) * 2009-02-06 2010-08-16 (주)한테크 비젼시스템을 구비한 씨엔씨 공작기계
JP2014233825A (ja) * 2013-06-05 2014-12-15 株式会社牧野フライス製作所 変位測定器の自動心出し方法及び変位測定機能を有する工作機械

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100544380B1 (ko) * 2001-09-17 2006-01-23 우시오덴키 가부시키가이샤 사행 수정 기구를 구비한 띠 형상 작업편의 노광 장치
JP2003205440A (ja) * 2002-01-09 2003-07-22 Hokuto Tekko:Kk 自動孔開け装置
JP2004202634A (ja) * 2002-12-25 2004-07-22 Nikon Corp 芯出し装置
KR20100090458A (ko) * 2009-02-06 2010-08-16 (주)한테크 비젼시스템을 구비한 씨엔씨 공작기계
JP2014233825A (ja) * 2013-06-05 2014-12-15 株式会社牧野フライス製作所 変位測定器の自動心出し方法及び変位測定機能を有する工作機械

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111069973A (zh) * 2019-12-24 2020-04-28 北京航星机器制造有限公司 一种复杂外形铸件快速找正的方法及装置

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