CN105397549B - The small change point methods of machine tooling hole face workpiece - Google Patents

The small change point methods of machine tooling hole face workpiece Download PDF

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Publication number
CN105397549B
CN105397549B CN201511019371.5A CN201511019371A CN105397549B CN 105397549 B CN105397549 B CN 105397549B CN 201511019371 A CN201511019371 A CN 201511019371A CN 105397549 B CN105397549 B CN 105397549B
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CN
China
Prior art keywords
feeler block
workpiece
magnetic
hole
magnetic feeler
Prior art date
Application number
CN201511019371.5A
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Chinese (zh)
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CN105397549A (en
Inventor
肖晓路
李庆华
覃竞锋
Original Assignee
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 kind of small change point methods of machine tooling hole face workpiece, comprise the following steps:A kind of magnetic feeler block with operation thickness is provided, two sides in the operation thickness direction of the magnetic feeler block are finished;A side of hole face workpiece is finished, and by the absorption of magnetic feeler block on the side of hole face workpiece;Amesdial is installed on machine tool chief axis, the main shaft is rotated respectively two sides of magnetic feeler block to be carried out playing table detection, and the relative coordinate values of two sides of magnetic feeler block are recorded respectively, when playing table detection, the amesdial is used as correction value to the measured value of two sides of magnetic feeler block;And the zero point coordinate of machine tooling is used as according to the centre coordinate value of relative coordinate values and correction value calculating magnetic feeler block.This method looks for zero point accuracy high.

Description

The small change point methods of machine tooling hole face workpiece
Technical field
The present invention relates to lathe check and correction benchmark zero point field, more particularly to a kind of small change point side of machine tooling hole face workpiece Method.
Background technology
In machining, in order to improve precision between hole and mounting surface, generally require to ensure the required distance in hole and face, Hole face distance (side surface of workpiece with the pitch-row in vertical plane up and down from) tolerance may reach 6-7 grades, and the margin of tolerance exists Between 0.01-0.05.In order to ensure the required distance in hole and face, generally require and process (such as high using high precision machine tool Smart jig bore).But, during actual processing, because lathe check and correction benchmark zero point is difficult, not no good presetting cutter method, often It is difficult to ensure that high-accuracy processing.All it is to install knife bar on machine tool chief axis additional in general processing, then gently being touched using knife bar is needed The side of part is processed, simulation finds machine tool chief axis pivot (namely zero point), changes process tool, by calculating Afterwards, coordinate is moved, by drawing dimensioned hole.
But, because the above method has brought the error of knife bar into, it tends to be difficult to ensure dimension precision requirement.Workman must be first The slightly smaller preprocessing hole of a size is processed, send measuring room to use three coordinate measurements, obtains relative dimensions, analysis by contrast is calculated Afterwards, just the last data shifting coordinate obtained by calculating is slowly machined, to ensure the hole of workpiece and being required apart from size for face.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering When the prior art for being considered as recognizing or implying the information structure in any form well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of small change point methods of machine tooling hole face workpiece, precision is high.
To achieve the above object, the invention provides a kind of small change point methods of machine tooling hole face workpiece, including it is as follows Step:A kind of magnetic feeler block with operation thickness, two side essences in the operation thickness direction of the magnetic feeler block are provided Processing;A side of hole face workpiece is finished, and magnetic feeler block is adsorbed on the side after the finishing of hole face workpiece;Will Amesdial is installed on machine tool chief axis, is rotated the main shaft and respectively two sides of magnetic feeler block is carried out playing table detection, and divides Not Ji Lu magnetic feeler block two sides relative coordinate values, when playing table detection, two to magnetic feeler block of the amesdial The measured value of side is used as correction value;And the centre coordinate value work of magnetic feeler block is calculated according to relative coordinate values and correction value For the zero point coordinate of machine tooling.
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 the advantages that:By designing a kind of magnetic feeler block with reference to thousand points Table carries out playing table detection, can not only quickly find zero point, and simple to operate.This method and the maximum of conventional method are distinguished, The standard knife bar of eliminating is installed to the check and correction error brought when on machine tool chief axis, and the actual essence of lathe can be fully utilized in this method Degree is processed, by multiple production testing, and the workpiece that this method is processed can guarantee that the requirement apart from size in hole and face.
Brief description of the drawings
Fig. 1 is the small change point methods principle schematic of the machine tooling hole face workpiece according to the present invention.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment to the present invention is described in detail, it is to be understood that the guarantor of the present invention Shield scope is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members Part or other parts.
As shown in figure 1, according to a kind of small change point methods of machine tooling hole face workpiece of the specific embodiment of the invention, bag Include following steps:
There is provided a kind of magnetic feeler block 2 with operation thickness, the operation thickness direction of the magnetic feeler block 2 for the first step Two side finish;
Second step, a side 31 of finishing hole face workpiece 3, and magnetic feeler block 2 is adsorbed in the finishing of hole face workpiece 3 On side 31 after work;
3rd step, amesdial 4 is installed on machine tool chief axis 1, rotates two of the main shaft 1 respectively to magnetic feeler block 2 Side carries out beating table detection, and the relative coordinate values of two sides of record magnetic feeler block 2 respectively, and when playing table detection, this thousand It is divided to table 4 to the measured value of two sides of magnetic feeler block 2 as correction value;And
4th step, machine tooling is used as according to the centre coordinate value that relative coordinate values and correction value calculate magnetic feeler block 2 Zero point coordinate.
In such scheme, magnetic feeler block 2 is specially design in this embodiment scheme a kind of to knife gauge block, this pair of knife amount High-precision two sides of block are as operation thickness face, and two operation thickness faces have to pass through delicate metering detection, the present embodiment Take 10.00mm.The operation thickness value of magnetic feeler block 2 is given data.The magnetic of magnetic feeler block 2 can be by knife amount Insert magnet is molded in block.
As a kind of preferred embodiment, the centre bit in hole to be processed is calculated according to the operation thickness value of magnetic feeler block Put.
Preferred embodiment the concrete operation method of this programme is described in detail with a kind of for the present embodiment:
1st, platen correct position in workpiece (namely the hole face workpiece 3) lifting for needing to process hole, clamping is firm.
2nd, smear and wipe side 31 after the completion of the finishing of clean workpiece, high accuracy magnetic feeler block 2 is carefully adsorbed in finishing On side 31 after the completion of work.
3rd, amesdial 4 is connected on machine tool chief axis 1 with magnetic suction base and associated supports, main shaft 1 is rotatable.
4th, the left side working face of table detection magnetic feeler block 2 is beaten, amesdial 4 finds peak, sees lathe digital display window, remembers Record the coordinate display data (relative coordinate values of left side working face) of this position.Mobile machine tool main shaft 1, rotates machine tool chief axis 180 °, the right working face of the detection alignment magnetic of amesdial 4 feeler block 2, amesdial 4 finds peak, sees lathe digital display window, Record the coordinate display data (relative coordinate values of the right working face) of this position.
5th, according to table detection is played twice, machine coordinates digital display the data obtained asks difference divided by 2 centers for calculating magnetic feeler block 2 Position numerical value, 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.
6th, the position (zero point) of lathe pivot has been found accurately by the 5th step, according to the actual size of magnetic feeler block 2 The center of actual processing workpiece hole can be just found by calculating accurate mobile machine tool coordinate.
It is so-called to play table detection in such scheme, i.e., the relative coordinate of two working faces of magnetic feeler block 2 is recorded in lathe During value, by the measured value of amesdial 4 as correction value, in the present embodiment, for convenience of calculation, the peak of amesdial 4 is selected.
To sum up, the small change point methods of the machine tooling hole face workpiece of the present embodiment utilize above-mentioned steps, can not only look for rapidly To zero point, and it is simple to operate.By multiple production testing, the workpiece that this method is processed can guarantee that the range arm in hole and face Very little requirement.The maximum difference of this method and conventional method is brought when the standard knife bar of eliminating is installed on machine tool chief axis Check and correction error, the available accuracy that lathe can be fully utilized in this method is processed.
It is foregoing to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should With so that those skilled in the art can realize and using the present invention a variety of exemplaries and A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (2)

1. a kind of small change point methods of machine tooling hole face workpiece, it is characterised in that comprise the following steps:
A kind of magnetic feeler block with operation thickness, two side finishings in the operation thickness direction of the magnetic feeler block are provided Work;
A side of the hole face workpiece is finished, and by magnetic feeler block absorption after hole face workpiece finishing Side on;
Amesdial is installed on machine tool chief axis, the main shaft is rotated and respectively two sides of the magnetic feeler block is carried out playing table Detection, and the relative coordinate values of two sides of the magnetic feeler block are recorded respectively, when playing table detection, the amesdial is to described The measured value of two sides of magnetic feeler block is used as correction value;And
Machine tooling is used as according to the centre coordinate value that the relative coordinate values and the correction value calculate the magnetic feeler block Zero point coordinate.
2. the small change point methods of machine tooling hole face workpiece according to claim 1, it is characterised in that according to the magnetic The operation thickness value of feeler block calculates the center in hole to be processed.
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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CN201511019371.5A CN105397549B (en) 2015-12-30 2015-12-30 The small change point methods of machine tooling hole face workpiece

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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
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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JPS59134633A (en) * 1983-01-18 1984-08-02 Fusao Osuda Blank positioner for various machine tools
JP4291382B2 (en) * 2007-07-31 2009-07-08 ファナック株式会社 Machine tool with automatic correction function of mounting error by 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

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