CN104406480A - Method and measuring tool for detecting location degree of densely distributed holes - Google Patents
Method and measuring tool for detecting location degree of densely distributed holes Download PDFInfo
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- CN104406480A CN104406480A CN201410660725.3A CN201410660725A CN104406480A CN 104406480 A CN104406480 A CN 104406480A CN 201410660725 A CN201410660725 A CN 201410660725A CN 104406480 A CN104406480 A CN 104406480A
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- aperture
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Abstract
The invention discloses a method and a measuring tool for detecting the location degree of densely distributed holes. The measuring tool for detecting the location degree of densely distributed holes comprises a seat body and supports for supporting the seat body, a spare part holding cavity is arranged on the seat body, the inner surface of the cavity bottom of the spare part holding cavity serves as the plane locating reference for holding a spare part to be detected on the measuring tool, the inner surface of the cavity wall of the spare part holding cavity serves as the central line locating reference for holding the spare part to be detected on the measuring tool, and the positive direction of the X-axis in a rectangular plane coordinate system which is built around the center of the inner surface of the cavity bottom of the spare part holding cavity serves as the angular orientation locating reference for holding the spare part to be detected on the measuring tool; a locating pin used for fixing the spare part to be detected is arranged at the inner surface of the cavity bottom of the spare part holding cavity, hole location degree detection holes are formed in the inner surface of the cavity bottom, and the hole location degree detection holes are provided with detection pins. The method for detecting the hole location degree includes steps that (1) arranging the spare part to be detected in the spare part holding cavity of the measuring tool, and locating and fixing according to the locating references on the measuring tool; (2) detecting the location degree of the representative holes in the spare part to be detected.
Description
Technical field
The invention belongs to the position degree detection field in hole on part, particularly for detecting measuring tool and the method for densely distributed aperture position degree.
Background technology
The position degree in hole is the important indicator weighing position on part, hole, and whether qualified position degree is, and whether can meet its request for utilization to part has important impact, therefore detects extremely important to the position degree in hole.At present, on part, the position degree in hole detects and generally adopts three-dimensional to complete, but aperture is less than to the aperture of Ф 1.0, due to measuring head diameter and the space constraint leaving swing to gauge head, three-dimensional coordinates measurement aperture position degree cannot be adopted, therefore just seem very necessary by the position degree measuring tool of maximum material principle design.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of method and the measuring tool that detect densely distributed aperture position degree are provided, so that high-quality completes detection, and simplify detection operation and improve detection efficiency.
The technical scheme design of detection method of the present invention and measuring tool: carry out position degree detection according to the type of the distribution situation of aperture on detected part, aperture, quantity and some representative holes of size Selection, as long as the position degree in these representative holes meets designing requirement, can ensure that on detected part, foraminate position degree meets designing requirement.
The measuring tool of the aperture position degree that detection of the present invention is densely distributed, comprise pedestal, the pillar of supporting seat, described pedestal is provided with the part placed cavity with detected part match, inside surface at the bottom of the chamber of part placed cavity is surface level, the chamber wall inside surface of part placed cavity is perpendicular to inside surface at the bottom of the chamber of part placed cavity, the plane positioning benchmark that inside surface at the bottom of the chamber of part placed cavity is laid on measuring tool as detected part, the center line positioning datum that the chamber wall inside surface of part placed cavity is laid on measuring tool as detected part, the angle positioning datum that X-axis forward in the plane right-angle coordinate that inside surface center is set up for initial point at the bottom of the chamber of part placed cavity is laid on measuring tool as detected part, inside surface at the bottom of the chamber of described part placed cavity is provided with the register pin for fixing detected part, be provided with aperture position degree detect aperture, the quantity of described aperture position degree detect aperture, position and size are determined according to the representative little hole number selected on detected part, position and size, each aperture position degree detect aperture is the through hole passing to pedestal bottom surface from inside surface at the bottom of the chamber of part placed cavity, and described aperture position degree detect aperture is configured with test pin.
The measuring tool of the aperture position degree that above-mentioned detection is densely distributed, the chamber wall of its part placed cavity is provided with the breach for taking out detected part, so that taken out fast by detected part after having detected.
The measuring tool of the aperture position degree that above-mentioned detection is densely distributed, be provided with lining in its aperture position degree detect aperture, endoporus and the test pin of described lining match.
The method of the aperture position degree that detection of the present invention is densely distributed, measuring tool described above, step is as follows:
1. detected part is placed in the part placed cavity of measuring tool, is completed by the positioning datum on measuring tool and locate and fix;
2. position degree detection is carried out to the representative aperture selected on detected part, when detecting the position degree of a certain aperture, test pin is inserted detect aperture corresponding to this aperture from the bottom surface of pedestal and boosts, if test pin can enter this aperture from described detect aperture and pass this aperture, then the position degree of this aperture is qualified, if test pin can not enter this aperture from described detect aperture, maybe can enter this aperture but can not pass this aperture, then the position degree of this aperture is defective; According to the method described above one by one position degree detection is carried out to aperture representative on detected part, after completing detection, can determine whether the aperture position degree on detected part meets designing requirement.
The present invention has following beneficial effect:
1, the aperture owing to selecting some representative on detected part carries out position degree detection, and thus the structure of measuring tool of the present invention is comparatively simple, is convenient to processing and fabricating.
2, use the method for the invention and measuring tool, not only can ensure the position degree Detection job of aperture on part, and greatly reduce detection limit, improve detection efficiency, save detection time.
3, measuring tool of the present invention devises three positioning datums, and be provided with the register pin for fixing detected part, the thus convenient mounting and clamping of detected part.
The part placed cavity chamber wall of 4, measuring tool of the present invention being provided with the breach for taking out detected part, detected part can being taken out fast from measuring tool after thus having detected.
Accompanying drawing explanation
Fig. 1 is the structural representation of the measuring tool of the densely distributed aperture position degree of detection of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the E-E cut-open view of Fig. 2;
Fig. 4 is the F-F cut-open view of Fig. 2;
Fig. 5 is the schematic diagram of register pin;
Fig. 6 is the schematic diagram carrying out the detection of aperture position degree with the first test pin;
Fig. 7 is the schematic diagram carrying out the detection of aperture position degree with the second test pin;
Fig. 8 is the schematic diagram of detected part.
In figure, 1 pedestal; 1-1 part placed cavity; Inside surface at the bottom of 1-1-1 chamber; 1-1-2 chamber wall inside surface; 2 register pins; 3 pillars; 4 second test pins; 5 second linings; 6 first test pins; 7 first linings; 8 technological balls; 9 breach; 10 first kind aperture position degree detect aperture; 11 Equations of The Second Kind aperture position degree detect aperture; 12 detected parts, 12-1 first fabrication hole; 12-2 second fabrication hole; 12-3 the 3rd fabrication hole; 12-4 the 4th fabrication hole; 12-5 the 5th fabrication hole; 12-6 atresia slice band.
Embodiment
Below by embodiment and by reference to the accompanying drawings the measuring tool of the densely distributed aperture position degree of detection of the present invention and method are described further.
Embodiment 1
The present embodiment detects the aperture position degree on part shown in Fig. 8 and carries out measuring tool design.Part shown in Fig. 8 is discoid, and this part having 2256 apertures be the aperture of Ф 0.76mm ± 0.076mm and 5 apertures is Ф 89.54mm ± 0.25mm fabrication hole.Wherein, first fabrication hole 12-1 is positioned at the center of discoid part, second fabrication hole 12-2, the 3rd fabrication hole 12-3, four fabrication hole 12-4, the 5th fabrication hole 12-5 are arranged around the first fabrication hole 12-1, the center of circle of their plane projections is circumferentially same, and the angle between the center of circle in adjacent process hole is 90 °; Atresia slice band 12-6 is had between the second fabrication hole 12-2, the 3rd fabrication hole 12-3, four fabrication hole 12-4, the 5th fabrication hole 12-5, article four, detected part is divided into the identical sector region of four sizes by atresia slice band, each sector region has 564 apertures; 564 apertures are divided into the aperture of two types, the aperture of first kind aperture is Ф 0.76mm ± 0.076mm, axis being parallel is in the center line of detected part, and quantity is 163, along the circumferential distribution of the detected excircle of part, the circumference of fabrication hole and atresia slice band; The aperture of Equations of The Second Kind aperture is Ф 0.76mm ± 0.076mm, and axis favours the center line of detected part, and quantity is 401, is evenly distributed in region that first kind aperture surrounds.According to the quantity of aperture on detected part, type and distribution situation, 8 apertures that sampling Detection can characterize all hole characteristics of this sector region respectively in 4 sector regions carry out position degree detection, whole detected part is total to the position degree of sampling Detection 32 apertures, wherein first kind aperture 16, Equations of The Second Kind aperture 16.
Measuring tool in the present embodiment, according to Fig. 8, the position degree of detected part and sampling Detection 32 apertures designs, its structure as shown in Figure 1 and Figure 2, comprise three pillars 3 of pedestal 1, supporting seat, described pedestal 1 being provided with the circular pieces placed cavity 1-1 with detected part match, the chamber wall of circular pieces placed cavity being provided with the breach 9 for taking out detected part, at the bottom of the chamber of described part placed cavity, inside surface 1-1-1 is surface level, the chamber wall inside surface 1-1-2 of part placed cavity is perpendicular to inside surface at the bottom of the chamber of part placed cavity, the plane positioning benchmark that inside surface 1-1-1 at the bottom of the chamber of part placed cavity lays on measuring tool as detected part 12, the center line positioning datum that the chamber wall inside surface 1-1-2 of part placed cavity lays on measuring tool as detected part 12, the angle positioning datum that X-axis forward in the XOY plane rectangular coordinate system that inside surface center is set up for initial point at the bottom of the chamber of part placed cavity is laid on measuring tool as detected part 12, inside surface at the bottom of the chamber of described part placed cavity is provided with 5 register pins 2 for fixing detected part, the structure of register pin is shown in Fig. 5, external diameter, the installation site of 5 register pins match with corresponding with 5 fabrication holes on detected part 12, and the center being wherein positioned at the register pin end face in centre is provided with technological ball 8, inside surface at the bottom of the chamber of described part placed cavity is provided with 32 aperture position degree detect aperture (see Fig. 2), each aperture position degree detect aperture is the through hole passing to pedestal bottom surface from inside surface at the bottom of the chamber of part placed cavity, wherein, the quantity of first kind aperture position degree detect aperture 10 is 16, 16 first kind apertures carrying out position degree detection with need selected on detected part match with corresponding, first lining 7 (see Fig. 3) is installed in hole, they are located by the XOY plane rectangular coordinate system set up for initial point with inside surface center at the bottom of the chamber of part placed cavity, the elements of a fix of each first kind aperture position degree detect aperture are in table 1, the quantity of Equations of The Second Kind aperture position degree detect aperture 11 is 16, 16 the Equations of The Second Kind apertures carrying out position degree detection with need selected on detected part match with corresponding, second lining 5 (see Fig. 4) is installed in hole, they pass through parameter alpha, β, L, H locates, described α is angle minimum between centerline hole and X-axis, described β is the angle between centerline hole and benchmark A, described L is the distance of centerline hole to the center of benchmark B, described H is the distance between centerline hole and technological ball 8, the positional parameter of each Equations of The Second Kind aperture position degree detect aperture is in table 2.
The elements of a fix of table 1 first kind aperture position degree detect aperture
| The sequence number in hole | X-coordinate | Y-coordinate |
| 10-1 | -102.814 | 102.814 |
| 10-2 | -47.521 | 47.521 |
| 10-3 | -131.397 | -37.841 |
| 10-4 | -117.638 | -85.458 |
| 10-5 | -102.814 | -102.814 |
| 10-6 | -47.521 | -47.521 |
| 10-7 | 37.841 | -131.397 |
| 10-8 | 85.458 | -117.638 |
| 10-9 | 102.814 | -102.814 |
| 10-10 | 47.521 | -47.521 |
| 10-11 | 131.397 | 37.841 |
| 10-12 | 117.638 | 85.458 |
| 10-13 | 102.814 | 102.814 |
| 10-14 | 47.521 | 47.521 |
| 10-15 | -37.841 | 131.397 |
| 10-16 | -85.458 | 117.638 |
The positional parameter of table 2 Equations of The Second Kind aperture position degree detect aperture
| The sequence number in hole | α | β | L | H |
| 11-1 | 14.59° | 30° | 38.833 | 34.789 |
| 11-2 | 36.93° | 30° | 118.609 | 26.597 |
| 11-3 | 32.23° | 30° | 5.017 | 53.476 |
| 11-4 | 21.6° | 30° | 102.389 | 57.555 |
| 11-5 | 75.41° | 30° | 38.833 | 34.789 |
| 11-6 | 53.07° | 30° | 118.609 | 26.597 |
| 11-7 | 68.4° | 30° | 5.017 | 53.476 |
| 11-8 | 57.77° | 30° | 102.389 | 57.555 |
| 11-9 | 14.59° | 30° | 38.833 | 34.789 |
| 11-10 | 36.93° | 30° | 118.609 | 26.597 |
| 11-11 | 21.6° | 30° | 5.017 | 53.476 |
| 11-12 | 32.23° | 30° | 102.389 | 57.555 |
| 11-13 | 75.41° | 30° | 38.833 | 34.789 |
| 11-14 | 53.07° | 30° | 118.609 | 26.597 |
| 11-15 | 57.77° | 30° | 5.017 | 53.479 |
| 11-16 | 68.4° | 30° | 102.389 | 57.555 |
Embodiment 2
The present embodiment uses measuring tool described in embodiment 1 to carry out position degree detection to the aperture on part shown in Fig. 8.Step is as follows:
1. detected part 12 is placed in the part placed cavity 1-1 of measuring tool, completes location by the plane positioning benchmark on measuring tool, center line positioning datum and angle positioning datum and by 5 register pins 2, detected part fixed;
2. position degree detection is carried out to 32 that select on detected part representative apertures, when detecting the position degree of a certain aperture in first kind aperture, first test pin 6 is inserted detect aperture corresponding to this aperture from the bottom surface of pedestal and boost (see Fig. 6), if test pin can enter this aperture from described detect aperture and pass this aperture, then the position degree of this aperture is qualified, if test pin can not enter this aperture from described detect aperture, maybe can enter this aperture but can not this aperture be passed, then the position degree of this aperture is defective, according to the method described above one by one position degree detection is carried out to all the other 15 first kind apertures that detected part is selected, when detecting the position degree of a certain aperture in Equations of The Second Kind aperture, second test pin 4 is inserted detect aperture corresponding to this aperture from the bottom surface of pedestal and boost (see Fig. 7), if test pin can enter this aperture from described detect aperture and pass this aperture, then the position degree of this aperture is qualified, if test pin can not enter this aperture from described detect aperture, maybe can enter this aperture but can not this aperture be passed, then the position degree of this aperture is defective, carries out position degree detection one by one according to the method described above to all the other 15 Equations of The Second Kind apertures that detected part is selected, after the position degree completing 32 representative apertures detects, can determine whether the aperture position degree on detected part meets designing requirement.
Claims (4)
1. one kind is detected the measuring tool of densely distributed aperture position degree, it is characterized in that comprising pedestal (1), the pillar (3) of supporting seat, described pedestal (1) is provided with the part placed cavity (1-1) with detected part match, at the bottom of the chamber of part placed cavity, inside surface (1-1-1) is surface level, chamber wall inside surface (1-1-2) of part placed cavity is perpendicular to inside surface at the bottom of the chamber of part placed cavity, the plane positioning benchmark that inside surface (1-1-1) at the bottom of the chamber of part placed cavity is laid on measuring tool as detected part, the center line positioning datum that chamber wall inside surface (1-1-2) of part placed cavity is laid on measuring tool as detected part, the angle positioning datum that X-axis forward in the XOY plane rectangular coordinate system that inside surface center is set up for initial point at the bottom of the chamber of part placed cavity is laid on measuring tool as detected part,
Inside surface at the bottom of the chamber of described part placed cavity is provided with the register pin (2) for fixing detected part, be provided with aperture position degree detect aperture, the quantity of described aperture position degree detect aperture, position and size are determined according to the representative little hole number selected on detected part, position and size, each aperture position degree detect aperture is the through hole passing to pedestal bottom surface from inside surface at the bottom of the chamber of part placed cavity, and described aperture position degree detect aperture is configured with test pin.
2. detecting the measuring tool of densely distributed aperture position degree according to claim 1, the chamber wall that it is characterized in that part placed cavity being provided with the breach (9) for taking out detected part.
3. according to claim 1 or 2, detect the measuring tool of densely distributed aperture position degree, it is characterized in that being provided with lining in aperture position degree detect aperture, endoporus and the test pin of described lining match.
4. detect a method for densely distributed aperture position degree, it is characterized in that using measuring tool described in arbitrary claim in claim 1 to 3, step is as follows:
1. detected part is placed in the part placed cavity of measuring tool, is completed by the positioning datum on measuring tool and locate and fix;
2. position degree detection is carried out to the representative aperture selected on detected part, when detecting the position degree of a certain aperture, test pin is inserted detect aperture corresponding to this aperture from the bottom surface of pedestal and boosts, if test pin can enter this aperture from described detect aperture and pass this aperture, then the position degree of this aperture is qualified, if test pin can not enter this aperture from described detect aperture, maybe can enter this aperture but can not pass this aperture, then the position degree of this aperture is defective; According to the method described above one by one position degree detection is carried out to aperture representative on detected part, after completing detection, can determine whether the aperture position degree on detected part meets designing requirement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410660725.3A CN104406480A (en) | 2014-11-18 | 2014-11-18 | Method and measuring tool for detecting location degree of densely distributed holes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410660725.3A CN104406480A (en) | 2014-11-18 | 2014-11-18 | Method and measuring tool for detecting location degree of densely distributed holes |
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| CN201410660725.3A Pending CN104406480A (en) | 2014-11-18 | 2014-11-18 | Method and measuring tool for detecting location degree of densely distributed holes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168479A (en) * | 2018-01-08 | 2018-06-15 | 西安交通大学 | Circumferential distribution pore group position degree assessment method based on coordinate transform and array sort |
| CN108692631A (en) * | 2018-04-19 | 2018-10-23 | 广东鸿图科技股份有限公司 | A kind of bolt location degree detection device of vacuum servo liner |
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| CN204228046U (en) * | 2014-11-18 | 2015-03-25 | 成都发动机（集团）有限公司 | A kind of measuring tool detecting densely distributed aperture position degree |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH1038573A (en) * | 1996-07-24 | 1998-02-13 | Sokkia Co Ltd | Target for center coordinate measurement |
| CN201344774Y (en) * | 2009-01-21 | 2009-11-11 | 苏州春兴精工股份有限公司 | Detecting tool for cavity parts |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168479A (en) * | 2018-01-08 | 2018-06-15 | 西安交通大学 | Circumferential distribution pore group position degree assessment method based on coordinate transform and array sort |
| CN108168479B (en) * | 2018-01-08 | 2019-11-08 | 西安交通大学 | Circumferential distribution pore group position degree assessment method based on coordinate transform and array sort |
| CN108692631A (en) * | 2018-04-19 | 2018-10-23 | 广东鸿图科技股份有限公司 | A kind of bolt location degree detection device of vacuum servo liner |
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