CN104501726A - Rapid detection tool device for astronautic electromagnetic sealing rings and detection method - Google Patents
Rapid detection tool device for astronautic electromagnetic sealing rings and detection method Download PDFInfo
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- CN104501726A CN104501726A CN201410738888.9A CN201410738888A CN104501726A CN 104501726 A CN104501726 A CN 104501726A CN 201410738888 A CN201410738888 A CN 201410738888A CN 104501726 A CN104501726 A CN 104501726A
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Abstract
The invention discloses a rapid detection tool device for astronautic electromagnetic sealing rings and a detection method. The rapid detection tool device comprises a bottom plate, wherein a square groove is formed in the bottom plate, through holes are formed in the groove, each through hole comprises a locating hole which is located at the middle part and circular holes which are located in four corners of the locating hole, and the corresponding locating hole and the corresponding circular holes are of smooth transition; both the transverse size and the longitudinal size of each locating hole are equal to the outside diameter of each sealing ring to be detected, and each sealing ring to be detected is in contact with the corresponding locating hole through four points, namely an upper point, a lower point, a left point and a right point. The detection tool device disclosed by the invention can be used for rapidly measuring the inside and outside diameter of the astronautic electromagnetic sealing rings and is convenient in picking; through detecting the electromagnetic sealing rings by using the detection tool device disclosed by the invention, automated workpiece measurement is realized, the detecting efficiency is increased, and the picking of unqualified workpieces and the loading/unloading of workpieces are fast and convenient and cannot cause influence, namely deformation, on the workpieces; in addition, automatic-focusing measurement is carried out in a maximum-multiple state, so that measured data are more real and reliable.
Description
Technical field
The present invention relates to a kind of space flight electromagnetic sealing circle rapid detection tool and detection method, belong to O-ring seal detection technique field.
Background technology
At present, as shown in Figure 1, the circle body cross section of sealing circle is I shape to the structure of space flight electromagnetic sealing circle, the thickness H of circle body is 0.8mm, and the diameter L of its inner ring is 3.3mm, inner ring chamfered, race diameter M is 4.3mm, and the overall diameter N of circle body I shape recess is 3.6mm.
For the detection of this electromagnetic sealing circle, mainly for the detection of inner ring diameter L and race diameter M.At present, usually adopt the artificial mode of vernier caliper that uses to inspect by random samples, this detection mode is wanted and absorption surface, and efficiency is slow, easily electromagnetic sealing circle is caused to the injury of distortion; Further, the precision of this kind of detection is lower, cannot record actual value, the poor effect of inspection.
In order to measure inner ring diameter L and race diameter M, and not allowing workpiece produce distortion, only having and measuring by non-contacting method, to the space flight electromagnetic sealing circle shown in Fig. 1, adopt measurement frock as shown in Figure 2 to detect.Because the detection for space flight electromagnetic sealing circle is mainly for the detection of inner ring diameter L and race diameter M.Therefore, the measurement frock material shown in Fig. 2 necessarily requires to have good light transmission, therefore, selects poly (methyl methacrylate) plate material, and its concrete technical scheme is as follows:
1, lower tooling material 101 processing dimension arrive: 300mmx300mmx10mm, and the cavity 201 processing dark 3mm thereon on the surface, soffit plane degree is less than 0.05.
2, according to the size of space flight electromagnetic sealing circle, in the cavity of dark 3mm, the blind hole 301 of uniform processing Ф 4.3mm, dark 1.2mm, puts into this blind hole, by the principle of printing opacity, from inner ring diameter L and the race diameter M of bottom measuring workpieces by workpiece.
Find in actual measurement, is blind hole due to what measure frock processing, during with photo measure aperture, the end, creates interference, cannot the external diameter of measured hole.In addition, space flight electromagnetic sealing circle is positioned in cavity, picks when workpiece got by defective and dress very inconvenient.
Summary of the invention
The object of the invention is to: a kind of space flight electromagnetic sealing circle rapid detection tool and detection method are provided, solve existing blind hole and measure frock when with photo measure aperture, the end, produce and interfere, cannot measured hole external diameter, pick defective and fill technical matters very inconvenient when getting workpiece, thus can effectively solve above-mentioned problems of the prior art.
The object of the invention is realized by following technical proposals: a kind of space flight electromagnetic sealing circle rapid detection tool, comprise base plate, base plate is provided with square groove, through hole is provided with in groove, described through hole comprises the pilot hole being positioned at middle part and the circular hole be positioned on pilot hole four angles, smoothly transits between pilot hole and circular hole; The lateral dimension of described pilot hole and longitudinal size are equal to the external diameter of detected O-ring seal, are detected between O-ring seal and pilot hole by four, upper and lower, left and right point cantact.
Because the hole of placing detected O-ring seal is through hole, therefore, the such light refraction of blind hole can not be there is and cause metrical error etc., being detected between O-ring seal and pilot hole by four, upper and lower, left and right point cantact, be convenient to steadily place detected O-ring seal, and the detection to its external diameter.
In the present invention, as a kind of optimal way, the degree of depth of described groove is 3mm.
In the present invention, as a kind of optimal way, circular hole and pilot hole transition position are arc section, and the radius R 1 of described circular hole equals the radius R 2 of arc section.
In the present invention, as a kind of optimal way, described through hole becomes matrix to arrange, and its laterally spaced size and vertical interval is measure-alike.
Use a detection method for described rapid detection tool, comprise the steps:
The first step, in OGP image measurer fixed position, a limiting plate is fixed at place, rapid detection tool is placed on limiting plate;
Second step, is placed on detected O-ring seal on through hole, and detected O-ring seal and through hole four point cantact, keep flat;
3rd step, with OGP image measurer, centering is carried out to rapid detection tool, xyz coordinate system is built up in the upper left corner, cursor is moved on to the inner radius of first detected O-ring seal, the multiple that Z axis is amplified to 400 times carries out automatic focus, gathers a focus point, again Z axis is transferred to the multiple of 40 times, segmentation endoporus being carried out to two sections is measured automatically, then carries out matching to this two semicircular, forms a full circle; After hole measuring completes, cursor is moved on to outer radius, multiple Z axis being amplified to 400 times carries out automatic focus, gather a focus point, then Z axis is transferred to the multiple of 40 times, carry out four sections of segmentations to foreign round and automatically measure, then matching is carried out to this four arcs, form a full circle; So far, the inner ring diameter of first detected O-ring seal and race diameter detect complete, repeat above-mentioned steps and detect other detected O-ring seals.
As further preferred embodiment, when the detection measurement of OGP image measurer completes, at display window place, overproof electromagnetic sealing circle is shown in red, and qualified electromagnetic sealing circle is shown in green; Pick out by overproof detected O-ring seal again, qualified detected O-ring seal is stayed in rapid detection tool, by qualified detected O-ring seal encapsulation.
The detection frock of existing blind hole form can only measure internal diameter, and external diameter cannot be measured, and due to the electromagnetic sealing number of turns amount that at every turn detects a lot, easily mistake when picking defective workpiece; Therefore, detect and pick all very inconvenient.
Compared with prior art, beneficial effect of the present invention is: detection frock of the present invention can fast to the measurement in the inside and outside footpath of space flight electromagnetic sealing circle, and the quantity once filled is few, picks conveniently; Use the present invention to detect frock and detect electromagnetic sealing circle, achieve the workpiece calibration of robotization, improve detection efficiency, and pick defective and dress get workpiece take off all soon, convenient, the impact of distortion can not be caused on workpiece; In addition, owing to being automated focus measnring under maximum times of number state, so the data measured more truly can property.
Accompanying drawing explanation
Fig. 1 is the structural representation of detected space flight electromagnetic sealing circle.
Fig. 2 is the structural representation of existing detection frock.
Fig. 3 is the structural representation of rapid detection tool of the present invention.
Fig. 4 is the structural representation that the present invention detects through hole in frock.
Wherein: 1-base plate, 2-groove, 3-through hole, 21-pilot hole, 22-circular hole, 4-is detected O-ring seal.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
All features disclosed in this instructions, or the step in disclosed all methods or process, except the speciality mutually repelled and/or step, all can combine by any way, unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object, namely, unless specifically stated otherwise, an embodiment in a series of equivalence of each feature or similar characteristics.
embodiment 1
As shown in Figure 3,4, a kind of space flight electromagnetic sealing circle rapid detection tool, comprises base plate 1, base plate 1 is provided with square groove 2, and the degree of depth of described groove 2 is 3mm.The setting of groove 2 is to prevent detected electromagnetic sealing circle from rolling on base plate, falling outside base plate.In groove 2, be provided with through hole 3, the arrangement of described through hole 3 one-tenth matrix, and its laterally spaced size and vertical interval is measure-alike, i.e. through hole evenly spaced setting in groove 2.Described through hole 3 comprises the pilot hole 21 being positioned at middle part and the circular hole 22 be positioned on pilot hole 21 4 angles, smoothly transits between pilot hole 21 and circular hole 22; Circular hole 22 and pilot hole 21 transition position are arc section, and the radius R 1 of described circular hole 22 equals the radius R 2 of arc section.The lateral dimension of described pilot hole 21 and longitudinal size are equal to the external diameter of detected O-ring seal 4, are detected between O-ring seal 4 and pilot hole 21 by four, upper and lower, left and right point cantact.
Use a detection method for described rapid detection tool, comprise the steps:
The first step, in OGP image measurer fixed position, a limiting plate is fixed at place, rapid detection tool is placed on limiting plate.This place, limiting plate plays the effect of fixing tool, substantially at same position when making each tool for placing working tools, facilitates the centering of OGP and sets up coordinate system.
Second step, is placed on detected O-ring seal on through hole, and detected O-ring seal and through hole four point cantact, keep flat, floating with hand, workpiece can not be allowed to tilt.
3rd step, carries out centering with OGP image measurer to rapid detection tool.OGP optical instrument (OGP is the english abbreviation of Optical Gaging Products) is a kind of special three-D image measurer, utilizes optical imagery, object external form data importing computer, then carries out the measurement of object.Detailed process is: xyz coordinate system is built up in the upper left corner, cursor is moved on to the inner radius of first detected O-ring seal, the multiple (this multiple is the maximum multiple that Z axis can amplify) that Z axis is amplified to 400 times carries out automatic focus, gather a focus point, again Z axis is transferred to the multiple (this multiple is the minimum multiple that Z axis can reduce) of 40 times, segmentation endoporus being carried out to two sections is measured automatically, then carries out matching to this two semicircular, forms a full circle.Because OGP minimum multiple is 40 times, so its collection form is just smaller, the local of workpiece can only be collected, matching can only be carried out again by areal survey, just can obtain a complete circle.After hole measuring completes, cursor is moved on to outer radius, multiple Z axis being amplified to 400 times carries out automatic focus, gather a focus point, then Z axis is transferred to the multiple of 40 times, carry out four sections of segmentations to foreign round and automatically measure, then matching is carried out to this four arcs, form a full circle.Because OGP minimum multiple is 40 times, so its collection form is just smaller, the local of workpiece can only be collected, matching can only be carried out again by areal survey, just can obtain a complete circle.
Several sections of circular arcs that segmentation records are by matching function, after producing a complete circle, the mark of " nominal value " is had in OGP software windows, the theoretical diameter value of circle and tolerance range input, if just shown in green in tolerance range after measuring, it is qualified to be judged to be, if out-of-size band is shown in red, is judged to be defective.
So far, the inner ring diameter of first detected O-ring seal and race diameter detect complete, repeat above-mentioned steps and detect other detected O-ring seals.
4th step, when the detection measurement of OGP image measurer completes, at display window place, overproof electromagnetic sealing circle can be shown in red, and qualified electromagnetic sealing circle is shown in green, then by artificial mode tweezers overproof electromagnetic sealing circle in turn pick out, after having chosen, frock is picked up, and qualified workpiece has just been stayed on work top, then qualified electromagnetic sealing circle pocket is installed.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a space flight electromagnetic sealing circle rapid detection tool, comprise base plate (1), base plate (1) is provided with square groove (2), it is characterized in that: in groove (2), be provided with through hole (3), described through hole (3) comprises the pilot hole (21) being positioned at middle part and the circular hole (22) be positioned on pilot hole (21) four angles, smoothly transits between pilot hole (21) and circular hole (22); The lateral dimension of described pilot hole (21) and longitudinal size are equal to the external diameter of detected O-ring seal, are detected between O-ring seal and pilot hole (21) by four, upper and lower, left and right point cantact.
2. space flight electromagnetic sealing circle rapid detection tool as claimed in claim 1, is characterized in that: the degree of depth of described groove (2) is 3mm.
3. space flight electromagnetic sealing circle rapid detection tool as claimed in claim 1, is characterized in that: circular hole (22) and pilot hole (21) transition position are arc section, and the radius R 1 of described circular hole (22) equals the radius R 2 of arc section.
4. space flight electromagnetic sealing circle rapid detection tool as claimed in claim 1, is characterized in that: described through hole (3) becomes matrix arrangement, and its laterally spaced size and vertical interval is measure-alike.
5. use a detection method for rapid detection tool as described in claim 1-4, it is characterized in that: comprise the steps:
The first step, in OGP image measurer fixed position, a limiting plate is fixed at place, rapid detection tool is placed on limiting plate;
Second step, is placed on detected O-ring seal on through hole, and detected O-ring seal and through hole four point cantact, keep flat;
3rd step, with OGP image measurer, centering is carried out to rapid detection tool, xyz coordinate system is built up in the upper left corner, cursor is moved on to the inner radius of first detected O-ring seal, the multiple that Z axis is amplified to 400 times carries out automatic focus, gathers a focus point, again Z axis is transferred to the multiple of 40 times, segmentation endoporus being carried out to two sections is measured automatically, then carries out matching to this two semicircular, forms a full circle; After hole measuring completes, cursor is moved on to outer radius, multiple Z axis being amplified to 400 times carries out automatic focus, gather a focus point, then Z axis is transferred to the multiple of 40 times, carry out four sections of segmentations to foreign round and automatically measure, then matching is carried out to this four arcs, form a full circle; So far, the inner ring diameter of first detected O-ring seal and race diameter detect complete, repeat above-mentioned steps and detect other detected O-ring seals.
6. space flight electromagnetic sealing circle method for quick as claimed in claim 5, it is characterized in that: when the detection measurement of OGP image measurer completes, at display window place, overproof electromagnetic sealing circle is shown in red, and qualified electromagnetic sealing circle is shown in green; Pick out by overproof detected O-ring seal again, qualified detected O-ring seal is stayed in rapid detection tool, by qualified detected O-ring seal encapsulation.
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| CN201410738888.9A CN104501726B (en) | 2014-12-08 | 2014-12-08 | Space flight electromagnetic sealing circle rapid detection tool and detection method |
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| CN201410738888.9A CN104501726B (en) | 2014-12-08 | 2014-12-08 | Space flight electromagnetic sealing circle rapid detection tool and detection method |
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| CN104501726B CN104501726B (en) | 2017-10-20 |
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Cited By (1)
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| CN107543501A (en) * | 2017-10-19 | 2018-01-05 | 武汉联航机电有限公司 | A kind of sealing ring shaping and detection means |
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