CN103273339B - Ball head positioning device for positioning irregular workpieces in combined clamp and positioning method of ball head positioning device - Google Patents
Ball head positioning device for positioning irregular workpieces in combined clamp and positioning method of ball head positioning device Download PDFInfo
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- CN103273339B CN103273339B CN201310234333.6A CN201310234333A CN103273339B CN 103273339 B CN103273339 B CN 103273339B CN 201310234333 A CN201310234333 A CN 201310234333A CN 103273339 B CN103273339 B CN 103273339B
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- ball head
- positioning device
- head positioning
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- positioner
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000001788 irregular Effects 0.000 title claims abstract description 13
- 238000005094 computer simulation Methods 0.000 claims description 6
- 230000004807 localization Effects 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
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Abstract
The invention provides a ball head positioning device for positioning irregular workpieces in a combined clamp and a positioning method of the ball head positioning device. The ball head positioning device comprises a ball, a boss and a cylinder which are connected in sequence and of which center lines are superposed. The positioning method includes steps of firstly simulating positioning by a computer, namely simulating to arrange a workpiece at a correct position and arrange the ball head positioning device near a form surface to be positioned; keeping the ball surface of the ball head positioning device in point contact with the form surface to be positioned of the workpiece by contacting function of a computer three-dimensional design system; measuring coordinate sizes of various surfaces of a clamp base body away from the ball center point of the ball head positioning device by means of a computer three-way measuring function after simulating positioning of the computer is finished, then adjusting workpieces positions of a combined clamp fittingly connected with the ball head positioning device, and finally accurately positioning the workpiece. The ball head positioning device solves the problem that conventional combined clamps cannot position irregular workpieces.
Description
Technical field
The present invention relates in a kind of built-up jig for locating bulb positioner and the localization method thereof of irregular part, belonging to built-up jig design and manufaction technical field.
Background technology
In built-up jig production process, when the positioning datum of product parts is the abnormity shape such as inclined-plane, compound angle face, curved surface, use existing combination-fixture component cannot realize accurate location, this is because the element in universal jig and fixture system is substantially all the well-regulated geometric shape of tool, rectangular-shaped in straightedge, when the locating surface of product parts is irregular, be difficult to reach the state that setting element and reference surface are fitted completely.Traditional way is " approximate adjustment " or by line adjustment, but fixture positioning precision is low, is therefore difficult to ensure product quality.
Summary of the invention
The object of this invention is to provide for locating bulb positioner and the method thereof of irregular part in built-up jig, solving conventional combination fixture cannot to the problem of irregular Workpiece fixing.
Technical scheme of the present invention: for locating the bulb positioner of irregular part in built-up jig, comprise spheroid, round platform and cylinder, above-mentioned three connects in turn and the center line of three overlaps, and cylinder end car has screw thread, and cylinder is threaded with clip base.
In built-up jig for locate irregular part a kind of localization method, it adopts above-mentioned bulb positioner, comprises the following steps:
(1) first computer simulation location is carried out, put to tram by workpiece simulation, bulb positioner is placed near the profile that need locate, bulb positioner need ensure when being positioned in clip base its center line not only with the plane-parallel of clip base but also vertical with the vertical plane of clip base;
(2) point cantact in the profile utilizing the contact function in Computerized three-dimensional design system that the spherome surface of bulb positioner and workpiece need be located, remains in contact process that bulb positioner moves on centerline direction;
(3) after computer simulation location, Computerized three-dimensional measurement function is first utilized to measure the coordinate dimension on the ball centre point distance each surface of clip base of bulb positioner, then adjust the combination-fixture component position be connected with bulb positioner, finally realize the accurate location of workpiece.
Beneficial effect of the present invention:
Be difficult to realize the barrier of point cantact when 1, breaching combination-fixture component location, simplify as point location by location, face, it is more accurate to locate;
2, adopt Computerized three-dimensional simulation assembling and measuring technique, avoid complicated calculations and the conversion of a lot of intermediate link, data directly, reliably;
3, greatly simplify built-up jig structure, improve the precision and stability of fixture;
4, can be applicable to the product parts that positioning datum is the various abnormity shape such as curved surface, inclined-plane, compound angle face.
Accompanying drawing explanation
Fig. 1 is the structural representation of bulb positioner of the present invention.
Fig. 2 is the using state schematic diagram of bulb positioner in embodiment.
Detailed description of the invention
As shown in Figure 1, for locating the bulb positioner of irregular part in built-up jig, described bulb positioner 3 comprises spheroid, round platform and cylinder, and above-mentioned three connects in turn and the center line of three overlaps, and cylinder end car has screw thread, cylinder is threaded with clip base 1.
In built-up jig for locate irregular part a kind of localization method, it adopts above-mentioned bulb positioner, comprises the following steps:
(1) first computer simulation location is carried out, put to tram by workpiece 2 simulation, bulb positioner 3 is placed near the profile that need locate, bulb positioner 3 need ensure when being positioned in clip base 1 its center line not only with the plane-parallel of clip base 1 but also vertical with the vertical plane of clip base 1, as shown in Figure 2;
(2) point cantact in the profile utilizing the contact function in Computerized three-dimensional design system that the spherome surface of bulb positioner 3 and workpiece 2 need be located, and ensure that spheroid is tangent with location profile, remain in contact process that bulb positioner 3 moves on centerline direction;
(3) after computer simulation location, Computerized three-dimensional measurement function is first utilized to measure the coordinate dimension on the ball centre point distance each surface of clip base 1 of bulb positioner 3, then adjust the combination-fixture component position be connected with bulb positioner 3, finally realize the accurate location of workpiece 2.
When multiple bulb positioner installed by needs, repeat according to above-mentioned steps.
Claims (1)
1. in built-up jig for locating a kind of localization method of irregular part, it adopts a kind of bulb positioner (3), described bulb positioner (3) comprises spheroid, round platform and cylinder, above-mentioned three connects in turn and the center line of three overlaps, and cylinder end car has screw thread, cylinder is threaded with clip base (1), it is characterized in that described localization method comprises the following steps:
(1) first computer simulation location is carried out, put to tram by workpiece (2) simulation, bulb positioner (3) is placed near the profile that need locate, bulb positioner (3) need ensure when being positioned over clip base (1) and being upper its center line not only with the plane-parallel of clip base (1) but also vertical with the vertical plane of clip base (1);
(2) point cantact in the profile utilizing the contact function in Computerized three-dimensional design system that the spherome surface of bulb positioner (3) and workpiece (2) need be located, remains in contact process that bulb positioner (3) moves on centerline direction;
(3) after computer simulation location, Computerized three-dimensional measurement function is first utilized to measure the coordinate dimension on ball centre point distance clip base (1) each surface of bulb positioner (3), then adjust the combination-fixture component position be connected with bulb positioner (3), finally realize the accurate location of workpiece (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310234333.6A CN103273339B (en) | 2013-06-14 | 2013-06-14 | Ball head positioning device for positioning irregular workpieces in combined clamp and positioning method of ball head positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310234333.6A CN103273339B (en) | 2013-06-14 | 2013-06-14 | Ball head positioning device for positioning irregular workpieces in combined clamp and positioning method of ball head positioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103273339A CN103273339A (en) | 2013-09-04 |
| CN103273339B true CN103273339B (en) | 2015-07-22 |
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| CN201310234333.6A Expired - Fee Related CN103273339B (en) | 2013-06-14 | 2013-06-14 | Ball head positioning device for positioning irregular workpieces in combined clamp and positioning method of ball head positioning device |
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| CN (1) | CN103273339B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712318B (en) * | 2013-12-13 | 2017-12-22 | 贵州航天凯山石油仪器有限公司 | Improve the method and positioner of optic fiber gyroscope inclinometer Rotational accuracy |
| CN104002174B (en) * | 2014-06-13 | 2016-06-01 | 沈阳飞机工业（集团）有限公司 | A kind of method simplifying use sphere point location |
| CN104014976B (en) * | 2014-06-14 | 2016-04-13 | 沈阳飞机工业（集团）有限公司 | Aircraft conduit apparatus for welding and positioning and localization method |
| CN106079233B (en) * | 2016-06-22 | 2018-02-09 | 福建工程学院 | The periphery localization method of vehicle glass inserts |
| CN113182751B (en) * | 2021-04-30 | 2022-02-11 | 昆山田盛汽车配件有限公司 | Tool for welding automobile body part |
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| CN102794619A (en) * | 2012-09-13 | 2012-11-28 | 沈阳飞机工业（集团）有限公司 | Machining method of long-narrow tire with embedded block |
| CN102825438A (en) * | 2012-08-29 | 2012-12-19 | 湖北航天三江红林机电科技有限公司 | Processing method of four-station concave die |
| CN102950458A (en) * | 2011-08-24 | 2013-03-06 | 上海福伊特水电设备有限公司 | Three-dimensional positioning and assembly tool for mixed-flow runner blades |
| CN202825235U (en) * | 2012-07-16 | 2013-03-27 | 昆山市佰奥自动化设备科技有限公司 | Special-shaped part reference point positioning mechanism |
| CN103056687A (en) * | 2012-12-28 | 2013-04-24 | 北京航空航天大学 | Benchmark repair clamp for vane |
| CN103128521A (en) * | 2011-11-22 | 2013-06-05 | 成都飞机工业（集团）有限责任公司 | Method of ensuring part processing benchmark and special tooling ball |
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2013
- 2013-06-14 CN CN201310234333.6A patent/CN103273339B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950458A (en) * | 2011-08-24 | 2013-03-06 | 上海福伊特水电设备有限公司 | Three-dimensional positioning and assembly tool for mixed-flow runner blades |
| CN103128521A (en) * | 2011-11-22 | 2013-06-05 | 成都飞机工业（集团）有限责任公司 | Method of ensuring part processing benchmark and special tooling ball |
| CN202825235U (en) * | 2012-07-16 | 2013-03-27 | 昆山市佰奥自动化设备科技有限公司 | Special-shaped part reference point positioning mechanism |
| CN102825438A (en) * | 2012-08-29 | 2012-12-19 | 湖北航天三江红林机电科技有限公司 | Processing method of four-station concave die |
| CN102794619A (en) * | 2012-09-13 | 2012-11-28 | 沈阳飞机工业（集团）有限公司 | Machining method of long-narrow tire with embedded block |
| CN103056687A (en) * | 2012-12-28 | 2013-04-24 | 北京航空航天大学 | Benchmark repair clamp for vane |
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| CN103273339A (en) | 2013-09-04 |
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Granted publication date: 20150722 |