CN105397549A - Zero searching method of machine tool machined hole surface workpiece - Google Patents

Zero searching method of machine tool machined hole surface workpiece Download PDF

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Publication number
CN105397549A
CN105397549A CN201511019371.5A CN201511019371A CN105397549A CN 105397549 A CN105397549 A CN 105397549A CN 201511019371 A CN201511019371 A CN 201511019371A CN 105397549 A CN105397549 A CN 105397549A
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CN
China
Prior art keywords
workpiece
feeler block
hole
magnetic
magnetic feeler
Prior art date
Application number
CN201511019371.5A
Other languages
Chinese (zh)
Other versions
CN105397549B (en
Inventor
肖晓路
李庆华
覃竞锋
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广西玉柴机器股份有限公司
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Application filed by 广西玉柴机器股份有限公司 filed Critical 广西玉柴机器股份有限公司
Priority to CN201511019371.5A priority Critical patent/CN105397549B/en
Publication of CN105397549A publication Critical patent/CN105397549A/en
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Publication of CN105397549B publication Critical patent/CN105397549B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/18Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
    • B23Q3/183Centering devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q15/00Automatic control or regulation of feed movement, cutting velocity or position of tool or work
    • B23Q15/20Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
    • B23Q15/22Control or regulation of position of tool or workpiece

Abstract

The invention discloses a zero searching method of a machine tool machined hole surface workpiece. The zero searching method comprises the following steps: a magnetic tool setting block with a working thickness is provided, and two side surfaces of the magnetic tool setting block in the working thickness direction are finished; one side surface of the hole surface workpiece is finished, and the magnetic tool setting block is absorbed on the side surface of the hole surface workpiece; a dial indicator is additionally mounted on a main shaft of a machine tool, the main shaft rotates to respectively detect the two side surfaces of the magnetic tool setting block, relative coordinate values of the two side surfaces of the magnetic tool setting block are respectively recorded, and measured values of the dial indicator to the two side surfaces of the magnetic tool setting block serve as correction values in detection; and a center coordinate value of the magnetic tool setting block is calculated according to the relative coordinate values and the correction values to serve as a zero coordinate of machine tool machining. The method is high in zero searching precision.

Description

The small change point methods of face, machine tooling hole workpiece
Technical field
The present invention relates to lathe check and correction benchmark field at zero point, particularly the small change point methods of face, a kind of machine tooling hole workpiece.
Background technology
In machining, in order to improve precision between hole and installed surface, often need the required distance ensureing hole and face, hole identity distance may reach 6-7 level from (pitch-row in side surface of workpiece and upper and lower vertical plane from) tolerance, the margin of tolerance between 0.01-0.05 not etc.In order to ensure the required distance in hole and face, generally need to use high precision machine tool processing (such as high-precision jig bore).But in actual process, due to lathe check and correction benchmark difficulty at zero point, the presetting cutter method do not had, is often difficult to ensure high-accuracy processing.Be all that machine tool chief axis installs knife bar additional in general processing, then use knife bar to touch the side needing processing parts gently, machine tool chief axis pivot (namely zero point) is found in simulation, change process tool, after calculating, move coordinate, by drawing dimensioned hole.
But, because said method has brought the error of knife bar into, be often difficult to ensure dimension precision requirement.Workman first must process the slightly little preprocessing hole of a size, send measuring room to use three-dimensional to detect, obtain relative dimensions, after comparative analysis calculates, just the last data by calculating are moved coordinate and are slowly machined, with the distance dimensional requirement in the hole and face of guaranteeing workpiece.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide the small change point methods of face, a kind of machine tooling hole workpiece, precision is high.
For achieving the above object, the invention provides the small change point methods of face, a kind of machine tooling hole workpiece, comprise the steps: to provide a kind of magnetic feeler block with operation thickness, two side fine finishining in the operation thickness direction of this magnetic feeler block; A side of Finish Machining Bore face workpiece, and magnetic feeler block is adsorbed on the side of face, hole workpiece; Amesdial is installed on machine tool chief axis, rotate this main shaft to carry out playing table detection to two sides of magnetic feeler block respectively, and record the relative coordinate values of two sides of magnetic feeler block respectively, when playing table detection, this amesdial to the measured value of two of magnetic feeler block sides as correction value; And the zero point coordinate of centre coordinate value as machine tooling of magnetic feeler block is calculated according to relative coordinate values and correction value.
Preferably, the center in hole to be processed is calculated according to the operation thickness value of magnetic feeler block.
Compared with prior art, the present invention has following beneficial effect: carrying out playing table detection in conjunction with amesdial by designing a kind of magnetic feeler block, not only can find zero point rapidly, and simple to operate.The maximum difference of the method and conventional method is, the check and correction error brought when the standard knife bar of eliminating is installed on machine tool chief axis, the method can utilize the available accuracy of lathe to process completely, through repeatedly production testing, the workpiece that the method processes can ensure the requirement of the distance size in hole and face.
Accompanying drawing explanation
Fig. 1 is the small change point methods principle schematic according to face, machine tooling hole of the present invention workpiece.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
Clearly represent unless otherwise other, otherwise in whole description and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or part, and do not get rid of other element or other part.
As shown in Figure 1, according to the small change point methods of face, a kind of machine tooling hole workpiece of the specific embodiment of the invention, comprise the steps:
The first step, provides a kind of magnetic feeler block 2 with operation thickness, two side fine finishining in the operation thickness direction of this magnetic feeler block 2;
Second step, a side 31 of Finish Machining Bore face workpiece 3, and magnetic feeler block 2 is adsorbed on the side 31 of face, hole workpiece 3;
3rd step, amesdial 4 is installed on machine tool chief axis 1, rotate this main shaft 1 to carry out playing table detection to two sides of magnetic feeler block 2 respectively, and record the relative coordinate values of two sides of magnetic feeler block 2 respectively, when playing table detection, the measured value of two sides of this amesdial 4 pairs of magnetic feeler blocks 2 is as correction value; And
4th step, calculates the zero point coordinate of centre coordinate value as machine tooling of magnetic feeler block 2 according to relative coordinate values and correction value.
In such scheme, magnetic feeler block 2 is custom-designed a kind of tool setting gauge blocks in the present embodiment scheme, and high-precision two sides of this tool setting gauge block are as operation thickness face, and two operation thickness faces have to pass through delicate metering and detect, and the present embodiment gets 10.00mm.The operation thickness value of magnetic feeler block 2 is given data.The magnetic of magnetic feeler block 2 can be shaping by insert magnet in tool setting gauge block.
As a kind of preferred embodiment, calculate the center in hole to be processed according to the operation thickness value of magnetic feeler block.
The present embodiment is preferred embodiment described in detail to the concrete operation method of this programme with a kind of:
1, needing platen correct position in the workpiece of machining hole (being also face, hole workpiece 3) lifting, clamping is firm.
2, smear wipe clean workpiece fine finishining complete after side 31, high accuracy magnetic feeler block 2 be carefully adsorbed on fine finishining complete after side 31 on.
3, by magnetic suction base and associated supports, amesdial 4 is connected on machine tool chief axis 1, main shaft 1 is rotatable.
4, beat the left side working face that table detects magnetic feeler block 2, amesdial 4 finds peak, sees lathe digital display window, coordinate display data (relative coordinate values of left side working face) of record this position good.Mobile machine tool main shaft 1, machine tool chief axis is rotated 180 °, and detect the right working face that magnetic feeler block 2 aimed at by amesdial 4, amesdial 4 finds peak, see lathe digital display window, record coordinate display data (relative coordinate values of the right working face) of this position.
5, detect according to twice dozen of tables, machine coordinates digital display the data obtained asks difference to calculate the center numerical value of magnetic feeler block 2 divided by 2, and then mobile machine tool main shaft 1 is to the center of magnetic feeler block 2, and this position is exactly the zero point of this time processing.
6, having been found accurately the position (zero point) of lathe pivot by the 5th step, just can find the center in actual processing work hole according to the actual size of magnetic feeler block 2 through calculating accurate mobile machine tool coordinate.
In such scheme, so-called table of beating detects, namely when the relative coordinate values of two working faces of lathe record magnetic feeler block 2, by the measured value of amesdial 4 as correction value, in the present embodiment, in order to convenience of calculation, and the peak of selection amesdial 4.
To sum up, the small change point methods of face, the machine tooling hole workpiece of the present embodiment utilizes above-mentioned steps, not only can find zero point rapidly, and simple to operate.Through repeatedly production testing, the workpiece that the method processes can ensure the requirement of the distance size in hole and face.The maximum difference of the method and conventional method is, the check and correction error brought when the standard knife bar of eliminating is installed on machine tool chief axis, and the method can utilize the available accuracy of lathe to process completely.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.

Claims (2)

1. a small change point methods for face, machine tooling hole workpiece, is characterized in that, comprise the steps:
There is provided a kind of magnetic feeler block with operation thickness, two side fine finishining in the operation thickness direction of this magnetic feeler block;
A side of face, hole workpiece described in fine finishining, and described magnetic feeler block is adsorbed on the side of face, described hole workpiece;
Amesdial is installed on machine tool chief axis, rotate this main shaft to carry out playing table detection to two sides of described magnetic feeler block respectively, and record the relative coordinate values of two sides of described magnetic feeler block respectively, beat table detect time, this amesdial to the measured value of two sides of described magnetic feeler block as correction value; And
The zero point coordinate of centre coordinate value as machine tooling of described magnetic feeler block is calculated according to described relative coordinate values and described correction value.
2. the small change point methods of face, machine tooling hole according to claim 1 workpiece, is characterized in that, calculates the center in hole to be processed according to the operation thickness value of described magnetic feeler block.
CN201511019371.5A 2015-12-30 2015-12-30 The small change point methods of machine tooling hole face workpiece CN105397549B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106112688A (en) * 2016-08-10 2016-11-16 重庆齿轮箱有限责任公司 A kind of control method of ring gear two ends pin-and-hole angular deviation
CN106289012A (en) * 2016-08-01 2017-01-04 上海现代先进超精密制造中心有限公司 Coordinate mill C axle school fragile material center reference method
CN109079550A (en) * 2018-10-18 2018-12-25 上海天海电子有限公司 A kind of method of setting clamp fast setting zero-bit
CN110605616A (en) * 2019-09-17 2019-12-24 成都飞机工业(集团)有限责任公司 Manufacturing and application method of virtual pin rod in numerical control machining
CN111069977A (en) * 2019-11-29 2020-04-28 陕西航天动力高科技股份有限公司 Surface fitting, precision machining process and part size measuring method suitable for machining center

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Publication number Priority date Publication date Assignee Title
JPS59134633A (en) * 1983-01-18 1984-08-02 Fusao Osuda Blank positioner for various machine tools
CN201133798Y (en) * 2007-12-11 2008-10-15 中冶宝钢技术服务有限公司 Centralizer
CN101357443A (en) * 2007-07-31 2009-02-04 发那科株式会社 Machine tool having the function of correcting mounting error through contact detection
CN202411928U (en) * 2011-11-23 2012-09-05 深圳市东方亮彩精密技术有限公司 Positioning and processing device for hidden gate of mold core and positioning and processing structure
CN202877945U (en) * 2012-10-29 2013-04-17 广西玉柴机器股份有限公司 Fake tool apron rapid tool setting device
CN203109718U (en) * 2013-04-08 2013-08-07 中核(天津)机械有限公司 Simple and rapid tool setting gauge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59134633A (en) * 1983-01-18 1984-08-02 Fusao Osuda Blank positioner for various machine tools
CN101357443A (en) * 2007-07-31 2009-02-04 发那科株式会社 Machine tool having the function of correcting mounting error through contact detection
CN201133798Y (en) * 2007-12-11 2008-10-15 中冶宝钢技术服务有限公司 Centralizer
CN202411928U (en) * 2011-11-23 2012-09-05 深圳市东方亮彩精密技术有限公司 Positioning and processing device for hidden gate of mold core and positioning and processing structure
CN202877945U (en) * 2012-10-29 2013-04-17 广西玉柴机器股份有限公司 Fake tool apron rapid tool setting device
CN203109718U (en) * 2013-04-08 2013-08-07 中核(天津)机械有限公司 Simple and rapid tool setting gauge

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106289012A (en) * 2016-08-01 2017-01-04 上海现代先进超精密制造中心有限公司 Coordinate mill C axle school fragile material center reference method
CN106112688A (en) * 2016-08-10 2016-11-16 重庆齿轮箱有限责任公司 A kind of control method of ring gear two ends pin-and-hole angular deviation
CN106112688B (en) * 2016-08-10 2018-04-03 重庆齿轮箱有限责任公司 A kind of control method of ring gear both ends pin-and-hole angular deviation
CN109079550A (en) * 2018-10-18 2018-12-25 上海天海电子有限公司 A kind of method of setting clamp fast setting zero-bit
CN110605616A (en) * 2019-09-17 2019-12-24 成都飞机工业(集团)有限责任公司 Manufacturing and application method of virtual pin rod in numerical control machining
CN111069977A (en) * 2019-11-29 2020-04-28 陕西航天动力高科技股份有限公司 Surface fitting, precision machining process and part size measuring method suitable for machining center

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