CN104117913A - Alignment method for rotary center of multi-grinding-head rotary table - Google Patents
Alignment method for rotary center of multi-grinding-head rotary table Download PDFInfo
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- CN104117913A CN104117913A CN201410366192.8A CN201410366192A CN104117913A CN 104117913 A CN104117913 A CN 104117913A CN 201410366192 A CN201410366192 A CN 201410366192A CN 104117913 A CN104117913 A CN 104117913A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 9
- 238000003754 machining Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
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- 238000012986 modification Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/02—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
- B24B49/04—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent involving measurement of the workpiece at the place of grinding during grinding operation
- B24B49/045—Specially adapted gauging instruments
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Sensing Apparatuses (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
本发明涉及一种多磨头转台的回转中心找正方法。其特征在于找正过程如下：(1)将千分表固定在工件上，工件移动到加工原点位置，利用测头对转台的4个边沿进行测量，获得外切圆半径R，移动测头到待测磨头的支撑外圆端面上，记录读数，被测磨头回转中心的横向坐标值＝移动的距离+R+读数；(2)转动工件，使测头绕支撑外圆周面转动一圈，移动待测磨头，使得测头转一圈千分表读数不变，则待测磨头的回转中心的纵向坐标值为系统显示的磨头纵向移动坐标值；(3)由此待测磨头的回转中心确定；(4)依上述方法依次确定剩余磨头的横向和纵向坐标值。本发明大大降低了安装制造的技术要求，也能够快速准确实现磨头的中心定位，提高加工精度和产品质量。
The invention relates to a method for aligning the center of rotation of a multi-grinding head turntable. It is characterized in that the alignment process is as follows: (1) Fix the dial gauge on the workpiece, move the workpiece to the machining origin, use the probe to measure the four edges of the turntable, obtain the circumscribed circle radius R, and move the probe to Record the readings on the supporting outer circular end surface of the grinding head to be tested, the horizontal coordinate value of the center of rotation of the tested grinding head = moving distance + R + reading; (2) Rotate the workpiece so that the measuring head rotates around the supporting outer circumferential surface, Move the grinding head to be tested so that the reading of the dial gauge remains unchanged when the measuring head rotates a circle, then the longitudinal coordinate value of the center of rotation of the grinding head to be tested is the longitudinal movement coordinate value of the grinding head displayed by the system; (3) Determine the center of rotation of the head; (4) Determine the horizontal and vertical coordinates of the remaining grinding heads in turn according to the above method. The invention greatly reduces the technical requirements for installation and manufacture, and can quickly and accurately realize the center positioning of the grinding head, thereby improving the machining accuracy and product quality.
Description
技术领域 technical field
本发明涉及一种多磨头转台的回转中心找正方法。 The invention relates to a method for aligning the center of rotation of a multi-grinding head turntable. the
背景技术 Background technique
多磨头连续加工能够获得较高的定位精度和表面光洁度，应用越来越广泛。而为了简化编程，各个磨头之间需要一个确定的回转中心。现有技术是通过制造一块定位孔已知的大的平板，该平板的中间具有一个定位孔，与转台的回转中心重合。该安装板制作复杂，需要较高精度的机床来完成，一般需要安装工人具备良好的安装经验才能达到要求。安装时由于电主轴磨头的安装位置不确定性导致实际使用不能很好的进行找正。 Continuous processing with multiple grinding heads can obtain higher positioning accuracy and surface finish, and it is more and more widely used. In order to simplify programming, a definite center of rotation is required between each grinding head. The prior art is by making a large flat plate known with a positioning hole, which has a positioning hole in the middle, coincident with the center of revolution of the turntable. The installation board is complex to manufacture and requires a high-precision machine tool to complete, and generally requires installation workers to have good installation experience to meet the requirements. Due to the uncertainty of the installation position of the electric spindle grinding head during installation, the actual use cannot be well aligned. the
发明内容 Contents of the invention
本发明的目的是克服现有技术的不足，提供一种多磨头转台的回转中心找正方法，降低了安装制造的技术要求，能快速准确的进行找正。 The purpose of the present invention is to overcome the deficiencies of the prior art and provide a method for aligning the center of rotation of a multi-grinding head turntable, which reduces the technical requirements for installation and manufacture and can be aligned quickly and accurately. the
为此，本发明采取如下技术方案：一种多磨头转台的回转中心找正方法，其特征在于所述的多磨头转台包括能左右移动的主转台，主转台上设置多个磨头，主转台通过旋转机构实现水平自由旋转，所述主转台的侧部设置能水平移动的工作台，所述的工作台上设置能使工件垂直旋转的支转台，支转台上设置工件；找正过程如下： For this reason, the present invention adopts the following technical solutions: a method for aligning the center of rotation of a multi-grinding head turntable, which is characterized in that the multi-grinding head turntable includes a main turntable that can move left and right, a plurality of grinding heads are arranged on the main turntable, and the main turntable The horizontal free rotation is realized by the rotating mechanism, the side of the main turntable is provided with a workbench capable of moving horizontally, the workbench is provided with a support turntable capable of vertically rotating the workpiece, and the workpiece is set on the support turntable; the alignment process is as follows:
(1)首先用千分表进行测量，将千分表固定在工件上，工件移动到加工原点位置，利用测头对转台的4个边沿进行测量，获得理想 轨迹即外切圆半径R，移动千分表横向移动，使得测头移动到待测磨头的支撑外圆端面上，记录读数，则被测磨头回转中心的横向坐标值＝移动的距离+R+读数； (1) First measure with a dial gauge, fix the dial gauge on the workpiece, move the workpiece to the machining origin, use the probe to measure the 4 edges of the turntable, and obtain the ideal trajectory, that is, the radius R of the circumscribed circle, move The dial indicator moves laterally, so that the measuring head moves to the supporting outer circular end surface of the grinding head to be tested, and the reading is recorded, then the horizontal coordinate value of the center of rotation of the grinding head to be tested = moving distance + R + reading;
(2)将千分表测头放置在被测磨头的支撑外圆周面上，转动工件，测头绕支撑外圆周面转动一圈，移动待测磨头沿纵向移动，使得测头转一圈千分表读数不变，则待测磨头的回转中心的纵向坐标值为当前系统显示的磨头纵向移动坐标值； (2) Place the dial indicator probe on the supporting outer circumferential surface of the grinding head to be tested, rotate the workpiece, the measuring head rotates around the supporting outer circumferential surface, and move the grinding head to be tested to move longitudinally, so that the measuring head rotates once If the reading of the circle dial gauge remains unchanged, the longitudinal coordinate value of the center of rotation of the grinding head to be tested is the longitudinal movement coordinate value of the grinding head displayed by the current system;
(3)由此待测磨头的回转中心确定，加工时先沿横向和纵向移动至回转中心，再进行转动加工； (3) Based on the center of rotation of the grinding head to be tested, it is first moved to the center of rotation horizontally and vertically during processing, and then rotated and processed;
(4)依上述方法依次确定剩余磨头的横向和纵向坐标值。 (4) Determine the horizontal and vertical coordinate values of the remaining grinding heads in turn according to the above method. the
采用本发明的磨头找正方法对安装平板没有定位孔要求，只要求初步定位即可，大大降低了安装制造的技术要求，也能够快速准确实现磨头的中心定位，提高加工精度和产品质量。 The method for aligning the grinding head of the present invention does not require positioning holes on the mounting plate, and only requires preliminary positioning, which greatly reduces the technical requirements for installation and manufacturing, and can quickly and accurately realize the center positioning of the grinding head, improving processing accuracy and product quality . the
附图说明 Description of drawings
图1为本发明的结构图。 Fig. 1 is a structural diagram of the present invention. the
图2为本发明磨头回转中心O’的结构示意图。 Fig. 2 is the structural representation of the center of revolution O' of the grinding head of the present invention. the
具体实施例 specific embodiment
下面结合具体实施例，进一步阐述本发明。 Below in conjunction with specific embodiment, further illustrate the present invention. the
如图1-2所示的一种多磨头转台的回转中心找正方法，多磨头转台包括能左右移动的主转台1，主转台1上设置三个磨头5，主转台1通过旋转机构实现水平自由旋转即M2方向，主转台1的侧部设置能水平移动的工作台4，工作台4上设置能使工件垂直旋转的支转台3，支转台3上设置工件6，工件6具备一加工原点X，回转中心在O 点，沿M2运动方向运动，理想转动轨迹2如虚线圆所示，找正过程如下： As shown in Figure 1-2, a method for aligning the center of rotation of a multi-grinding head turntable, the multi-grinding head turntable includes a main turntable 1 that can move left and right, and three grinding heads 5 are arranged on the main turntable 1, and the main turntable 1 is realized by a rotating mechanism Horizontal free rotation is the M2 direction. The side of the main turntable 1 is provided with a worktable 4 that can move horizontally. The origin is X, the center of rotation is at point O, and it moves along the direction of M2. The ideal rotation track 2 is shown in the dotted circle. The alignment process is as follows:
(1)首先用千分表进行测量，将千分表固定在工件上，工件移动到加工原点位置，利用测头对转台的4个边沿进行测量，获得理想轨迹即外切圆半径R，移动千分表横向移动即M1方向，使得测头移动到待测磨头的支撑外圆端面上，记录读数，则被测磨头回转中心的横向坐标值＝移动的距离+R+读数； (1) First measure with a dial gauge, fix the dial gauge on the workpiece, move the workpiece to the machining origin, use the probe to measure the 4 edges of the turntable, and obtain the ideal trajectory, which is the radius R of the circumscribed circle, move The dial indicator moves laterally, that is, in the M1 direction, so that the probe moves to the supporting outer circular end surface of the grinding head to be tested, and the reading is recorded, then the horizontal coordinate value of the center of rotation of the tested grinding head = moving distance + R + reading;
(2)将千分表测头放置在被测磨头的支撑外圆周面上，转动工件，测头绕支撑外圆周面转动一圈，移动待测磨头沿纵向移动即M3方向，使得测头转一圈千分表读数不变，则待测磨头的回转中心的纵向坐标值为当前系统显示的磨头纵向移动坐标值； (2) Place the dial indicator probe on the supporting outer circumferential surface of the grinding head to be tested, rotate the workpiece, the measuring head rotates around the supporting outer circumferential surface once, and move the grinding head to be tested in the longitudinal direction, that is, the M3 direction, so that the measured The reading of the dial indicator remains unchanged when the head is rotated a circle, then the longitudinal coordinate value of the center of rotation of the grinding head to be tested is the longitudinal movement coordinate value of the grinding head displayed by the current system;
(3)由此待测磨头的回转中心确定，加工时先沿横向和纵向移动至回转中心，再进行转动加工； (3) Based on the center of rotation of the grinding head to be tested, it is first moved to the center of rotation horizontally and vertically during processing, and then rotated and processed;
(4)依上述方法依次确定剩余磨头的横向和纵向坐标值。 (4) Determine the horizontal and vertical coordinate values of the remaining grinding heads in turn according to the above method. the
需要特别指出的是，上述实施例的方式仅限于描述实施例，但本发明不止局限于上述方式，且本领域的技术人员据此可在不脱离本发明的范围内方便的进行修饰，因此本发明的范围应当包括本发明所揭示的原理和新特征的最大范围。 It should be pointed out that the manner of the above-mentioned embodiment is only limited to the description of the embodiment, but the present invention is not limited to the above-mentioned manner, and those skilled in the art can conveniently make modifications without departing from the scope of the present invention. Therefore, the present invention The scope of the invention should include the broadest range of the principles and novel features disclosed in the invention. the
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| CN201410366192.8A CN104117913B (en) | 2014-07-29 | 2014-07-29 | A kind of centre of gyration aligning method of many bistriques turntable |
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| CN201410366192.8A CN104117913B (en) | 2014-07-29 | 2014-07-29 | A kind of centre of gyration aligning method of many bistriques turntable |
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Cited By (4)
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| CN106181576A (en) * | 2016-08-08 | 2016-12-07 | 中国空空导弹研究院 | The center positioning method of a kind of machining center rotary table and device |
| 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 |
| CN107322018A (en) * | 2017-08-18 | 2017-11-07 | 安徽江淮汽车集团股份有限公司 | The adjustment system and its method of adjustment of kingpin hole position |
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| CN107322018B (en) * | 2017-08-18 | 2019-05-07 | 安徽江淮汽车集团股份有限公司 | The adjustment system and its method of adjustment of kingpin hole position |
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