CN105423888A - Metal piece size defect rapid screening method and device - Google Patents
Metal piece size defect rapid screening method and device Download PDFInfo
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- CN105423888A CN105423888A CN201510999693.4A CN201510999693A CN105423888A CN 105423888 A CN105423888 A CN 105423888A CN 201510999693 A CN201510999693 A CN 201510999693A CN 105423888 A CN105423888 A CN 105423888A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a metal piece size defect rapid screening method and device. According to the method, existence of the size defects is visually judged by light-up of indicating lamps through construction of a circuit loop between a metal piece and detection metal floating contacts, the indicating lamps, a power supply and a detection platform by utilizing conductivity of the metal piece. The size defects include a flatness defect and a slot/hole height size defect. The device comprises a pedestal, a conductive metal platform, a flatness detection metal floating contact, a height detection metal floating contact, a monochromatic indicating lamp, a bicolor indicating lamp, springs, conductive metal sheets, a position-limiting metal contact and the power supply. With application of the method and the device, the metal piece to be detected is arranged in a detection area, and then the flatness and height size defects of the metal piece to be detected can be visually judged by observing the change of the color of the indicating lamps so that rapid screening of the size defects of mass metal pieces can be realized.
Description
Technical field
The present invention relates to a kind of method and device of Rapid Screening metalwork dimensional defects, belongs to Quality Control Technology field.
Background technology
Because metalwork is all processed by multiple tracks molding procedure, in machine-shaping, the deformations such as the projection that easy formation is outside or inside depression, so that assembly performance and the usability of metalwork can be affected, therefore, in order to avoid affecting assembly performance and the usability of metalwork, needing the flatness to processed metalwork, groove, hole equal altitudes size carries out defect screening, to reject bad product in time.
At present, realize metalwork size detection usually to adopt with the following method:
1, three-dimensional measurement instrument, its ultimate principle is exactly coordinating by acquisition sensor (probe) and measurement space axial-movement, tested geometric element is carried out to the acquisition of discrete spatial point position, then by certain mathematical computations, complete the analysis matching to surveyed point (point group), finally restore tested geometric element, and calculate the deviation between itself and theoretical value on this basis.Although the precision of this detection method is very high, there is the defects such as detection efficiency is low, testing cost is high, be not suitable for mass and detect, be only applicable to sampling observation, so that the quality inspection requirement of mass production high-precision metal part can not be met;
2, laser inductor is adopted to detect, repeatedly moving with testing product each point by probe assembly, not only there is the defects such as efficiency is low, accuracy of detection can not regulate in this detection method, and complex structure, cost is high, degree of stability is not enough, easily by such environmental effects, therefore, this detection method is not suitable for the quality inspection requirement of mass production high-precision metal part yet.
Summary of the invention
For the problems referred to above that prior art exists, the object of this invention is to provide a kind of method and device of Rapid Screening metalwork dimensional defects, with realize to the dimensional defects of processing metalwork carry out mass screening, the product mass-energy of the metalwork that guarantee is sold meets high precision matching requirements.
For achieving the above object, the present invention adopts following technical scheme:
A kind of method of Rapid Screening metalwork dimensional defects, the electric conductivity utilizing metalwork, can by metalwork and to detect between metal floating contact, pilot lamp, power supply and detection platform and make pilot lamp light to carry out intuitive judgment whether there is dimensional defects in forming circuit loop, described dimensional defects comprises planarity defects and groove/opening height dimension defect.
A kind of device of Rapid Screening metalwork dimensional defects, comprise base and conducting metal platform, described conducting metal platform is provided with detection zone, in described detection zone, be provided with some flatnesses detect metal floating contact and some height detection metal floating contacts, the conducting metal platform being positioned at periphery, detection zone is provided with some monochromatic pilot lamp and some bi-colour LEDs; Described flatness detects on metal floating contact and height detection metal floating contact all insulate and be located in detection zone conducting metal platform, and being all arranged with spring being positioned on the position below conducting metal platform, the bottom of described spring is all inconsistent with the conductive metal sheet be located in susceptor surface; Wherein, all offer perforation being positioned on the conductive metal sheet immediately below described height detection metal floating contact, described base offers the screw be connected with described perforation, in described screw, be provided with spacing metal contact, described height detection metal floating contact can be inconsistent through perforation and spacing metal contact; And, the conductive metal sheet be positioned at immediately below flatness detection metal floating contact is electrically connected with a monochromatic pilot lamp respectively by plain conductor, be positioned at conductive metal sheet immediately below same height detection metal floating contact and spacing metal contact is electrically connected with same bi-colour LED respectively by plain conductor, described monochromatic pilot lamp and bi-colour LED are all electrically connected with the positive pole of power supply by plain conductor, and the negative pole of described power supply is electrically connected with conducting metal platform by plain conductor.
As a kind of embodiment, in its natural state, the peak of described flatness detection metal floating contact is positioned at the upper limit position of metalwork flatness to be checked, and the distance values of the lower end distance conductive metal sheet of described flatness detection metal floating contact is the limits of error value of metalwork flatness to be checked.
As a kind of embodiment, in its natural state, the peak of described height detection metal floating contact is positioned at the upper limit position of metalwork height to be checked, and the lower end of described height detection metal floating contact is the maximum permission upper limit error amount of metalwork height to be checked and maximum permission lower limit error amount sum apart from the distance values on spacing metal contact top.
As further embodiment, described flatness detects metal floating contact and height detection metal floating contact includes upper, middle and lower, and the middle part between top and bottom forms boss, thus it is spacing to reach described spring.
Preferably, between the surface of contact of described top and conducting metal platform, be provided with insulation sleeve, between the surface of contact of described middle part and conducting metal platform, be provided with insulating mat.
As a kind of embodiment, described spacing metal contact is threaded connection and is arranged in described screw.
Preferably, described monochromatic pilot lamp and bi-colour LED are LED.
Compared to prior art, Advantageous Effects of the present invention is:
Use the method for the invention and device, only metalwork to be checked need be placed on detection zone, by the change of viewing lamp color, can the flatness of intuitive judgment metalwork to be checked, height dimension whether existing defects, not only simple to operate, quick, and structure is simple, affect by extraneous factor little, testing result accurately and reliably, accuracy of detection is controlled; Therefore, the present invention can realize carrying out Rapid Screening to the dimensional defects of metalwork in enormous quantities, to ensure that the product mass-energy of sold metalwork meets high precision matching requirements, has obvious industrial application value and conspicuousness progress relative to prior art.
Accompanying drawing explanation
The structural representation of the device of a kind of Rapid Screening metalwork dimensional defects that Fig. 1 provides for embodiment;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 is the partial enlarged drawing at B place in Fig. 1.
Number in the figure is schematically as follows: 1, base; 2, conducting metal platform; 21, detection zone; 3, flatness metal floating contact; 31, top; 32, middle part; 33, bottom; 4, height metal floating contact; 41, top; 42, middle part; 43, bottom; 5, monochromatic pilot lamp; 6, bi-colour LED; 7, spring; 8, conductive metal sheet; 81, bore a hole; 9, power supply; 10, screw; 11, spacing metal contact; 12, metalwork; 13, insulation sleeve; 14, insulating mat.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is done and describes clearly and completely further.
Embodiment
Shown in composition graphs 1 to Fig. 3: the device of a kind of Rapid Screening metalwork dimensional defects that the present embodiment provides, comprise base 1 and conducting metal platform 2, described conducting metal platform 2 is provided with detection zone 21, in described detection zone 21, is provided with some flatnesses detects metal floating contact 3 and some height detection metal floating contacts 4; The conducting metal platform 2 being positioned at periphery, detection zone 21 is provided with some monochromatic pilot lamp 5 and some bi-colour LEDs 6; Described flatness detects on metal floating contact 3 and height detection metal floating contact 4 all insulate and be located in detection zone 21 conducting metal platform 2, and being all arranged with spring 7 being positioned on the position below conducting metal platform 2, the bottom of described spring 7 is all inconsistent with the conductive metal sheet 8 be located on base 1 surface; Wherein, all offer perforation 81 being positioned on the conductive metal sheet 8 immediately below described height detection metal floating contact 4, described base 1 offers the screw 10 be connected with described perforation 81, in described screw 10, be provided with spacing metal contact 11, described height detection metal floating contact 4 can be inconsistent through perforation 81 and spacing metal contact 11; And, be positioned at flatness detect conductive metal sheet 8 immediately below metal floating contact 3 by plain conductor respectively pilot lamp 5 monochromatic be electrically connected, be positioned at conductive metal sheet 8 immediately below same height detection metal floating contact 4 and spacing metal contact 11 is electrically connected with same bi-colour LED 6 respectively by plain conductor, described monochromatic pilot lamp 5 and bi-colour LED 6 are all electrically connected by the positive pole of plain conductor with power supply 9, and the negative pole of described power supply 9 is electrically connected with conducting metal platform 2 by plain conductor.
In its natural state: the peak of described flatness detection metal floating contact 3 is positioned at the upper limit position of metalwork 12 flatness to be checked, described flatness detects the limits of error value that the distance values of the lower end distance conductive metal sheet 8 of metal floating contact 3 is metalwork 12 flatness to be checked; The peak of described height detection metal floating contact 4 is positioned at the upper limit position of metalwork 12 tested point height to be checked, and the lower end of described height detection metal floating contact 4 is the maximum permission upper limit error amount of metalwork 12 tested point height to be checked and maximum permission lower limit error amount sum apart from the distance values on spacing metal contact 11 top.
Preferably: described flatness detects metal floating contact 3 and height detection metal floating contact 4 includes top 31/41, middle part 32/42 and bottom 33/43, and the middle part 32/42 between top 31/41 and bottom 33/43 forms boss, thus it is spacing to reach described spring 7.Between the surface of contact of described top 31/41 and conducting metal platform 2, be provided with insulation sleeve 13, between the surface of contact of described middle part 32/42 and conducting metal platform 2, be provided with insulating mat 14, to avoid the formation of short circuit, affect test accuracy.Described spacing metal contact 11 is threaded connection and is arranged in described screw 10, to facilitate the position installing and regulate spacing metal contact 11.Described monochromatic pilot lamp 5 and bi-colour LED 6 all select LED, to realize energy-conservation and to increase the service life.
The principle of work of device of the present invention is as follows:
1, the detection of flatness: due in its natural state, the peak of described flatness detection metal floating contact 3 is positioned at the upper limit position of metalwork 12 flatness to be checked, and the distance values of the lower end distance conductive metal sheet 8 of described flatness detection metal floating contact 3 is the limits of error value of metalwork 12 flatness to be checked; Therefore, if tested surface flatness is in the error range of regulation, then when metalwork 12 to be checked is placed on detection zone 21, tested surface can touch the peak of the flatness detection metal floating contact 3 of correspondence position, thus metalwork 12 and flatness are detected between metal floating contact 3, spring 7, conductive metal sheet 8, monochromatic pilot lamp 5, power supply 9 and conducting metal platform 2 form conducting loop, monochromatic pilot lamp 5 is lighted, represents that the flatness of institute's detection faces meets the requirements; On the contrary, if tested surface flatness is beyond limits of error value, then when metalwork 12 to be checked is placed on detection zone 21, tested surface can not detect metal floating contact 3 with the flatness of its relevant position and contact, thus metalwork 12 and flatness are detected between metal floating contact 3, spring 7, conductive metal sheet 8, monochromatic pilot lamp 5, power supply 9 and conducting metal platform 2 can not form conducting loop, monochromatic pilot lamp 5 is not worked, represents that the flatness of institute's detection faces is undesirable.
2, the detection of height:
Due in its natural state, the peak of described height detection metal floating contact 4 is positioned at the upper limit position of metalwork 12 tested point height to be checked, and the lower end of described height detection metal floating contact 4 is the maximum permission upper limit error amount of metalwork 12 tested point height to be checked and maximum permission lower limit error amount sum apart from the distance values on spacing metal contact 11 top; Therefore, if the height of tested point exceeds maximum permission upper limit position, then when metalwork 12 to be checked is placed on detection zone 21, tested point cannot touch the peak of height detection metal floating contact 4, thus also just cannot this height detection metal floating contact 4 of conducting and the circuit loop between spring 7, conductive metal sheet 8, bi-colour LED 6, power supply 9 and conducting metal platform 2, the bi-colour LED 6 in this circuit also just can not be made to light; If the height of tested point (that is: between the maximum permission upper limit and maximum permission lower limit) in the error range of regulation, then when metalwork 12 to be checked is placed on detection zone 21, tested point will touch the peak of height detection metal floating contact 4, thus this height detection metal floating contact 4 of conducting and the circuit loop between spring 7, conductive metal sheet 8, bi-colour LED 6, power supply 9 and conducting metal platform 2, the bi-colour LED 6 in this circuit is lighted (such as: bright green) with a kind of color; If the height of tested point exceeds maximum permission lower position, then when metalwork 12 to be checked is placed on detection zone 21, tested point will press down the peak of height detection metal floating contact 4, make the lower end of height detection metal floating contact 4 and spacing metal contact 11 top inconsistent, thus make this height detection metal floating contact 4 and the circuit loop conducting between spacing metal contact 11, bi-colour LED 6, power supply 9 and conducting metal platform 2, the bi-colour LED 6 in this circuit is lighted with another kind of color (such as: red).
During actual use, installation site and the quantity of metal floating contact 3 and height detection metal floating contact 4 can be detected according to the size and shape adjustment flatness of metalwork 12 to be checked.
Visible in sum: to use the method for the invention and device, only metalwork to be checked need be placed on detection zone, by the change of viewing lamp color, can the flatness of intuitive judgment metalwork to be checked, height dimension whether existing defects, not only simple to operate, quick, and structure is simple, affect by extraneous factor little, testing result accurately and reliably, accuracy of detection is controlled; Therefore, the present invention can realize carrying out Rapid Screening to the dimensional defects of metalwork in enormous quantities, to ensure that the product mass-energy of sold metalwork meets high precision matching requirements, has obvious industrial application value and conspicuousness progress relative to prior art.
Finally be necessary to herein means out: the foregoing is only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (8)
1. the method for a Rapid Screening metalwork dimensional defects, it is characterized in that: be the electric conductivity utilizing metalwork, can by metalwork and to detect between metal floating contact, pilot lamp, power supply and detection platform and make pilot lamp light to carry out intuitive judgment whether there is dimensional defects in forming circuit loop, described dimensional defects comprises planarity defects and groove/opening height dimension defect.
2. the device of a Rapid Screening metalwork dimensional defects, it is characterized in that: comprise base and conducting metal platform, described conducting metal platform is provided with detection zone, in described detection zone, be provided with some flatnesses detect metal floating contact and some height detection metal floating contacts, the conducting metal platform being positioned at periphery, detection zone is provided with some monochromatic pilot lamp and some bi-colour LEDs; Described flatness detects on metal floating contact and height detection metal floating contact all insulate and be located in detection zone conducting metal platform, and all spring is arranged with on the position that it is positioned at below conducting metal platform, the bottom of described spring is all inconsistent with the conductive metal sheet be located in susceptor surface; Wherein, offer perforation being positioned on the conductive metal sheet immediately below described height detection metal floating contact, described base offers the screw be connected with described perforation, in described screw, be provided with spacing metal contact, described height detection metal floating contact can be inconsistent through perforation and spacing metal contact; And, the conductive metal sheet be positioned at immediately below flatness detection metal floating contact is electrically connected with a monochromatic pilot lamp respectively by plain conductor, be positioned at conductive metal sheet immediately below same height detection metal floating contact and spacing metal contact is electrically connected with same bi-colour LED respectively by plain conductor, described monochromatic pilot lamp and bi-colour LED are all electrically connected with the positive pole of power supply by plain conductor, and the negative pole of described power supply is electrically connected with conducting metal platform by plain conductor.
3. device according to claim 2, it is characterized in that: in its natural state, the peak of described flatness detection metal floating contact is positioned at the upper limit position of metalwork flatness to be checked, and the distance values of the lower end distance conductive metal sheet of described flatness detection metal floating contact is the limits of error value of metalwork flatness to be checked.
4. device according to claim 2, it is characterized in that: in its natural state, the peak of described height detection metal floating contact is positioned at the upper limit position of metalwork tested point height to be checked, and the lower end of described height detection metal floating contact is the maximum permission upper limit error amount of metalwork tested point height to be checked and maximum permission lower limit error amount sum apart from the distance values on spacing metal contact top.
5. device according to claim 2, is characterized in that: described flatness detects metal floating contact and height detection metal floating contact includes upper, middle and lower, and the middle part between top and bottom forms boss.
6. device according to claim 5, is characterized in that: between the surface of contact of described top and conducting metal platform, be provided with insulation sleeve, between the surface of contact of described middle part and conducting metal platform, be provided with insulating mat.
7. device according to claim 2, is characterized in that: described spacing metal contact is threaded connection and is arranged in described screw.
8. device according to claim 2, is characterized in that: described monochromatic pilot lamp and bi-colour LED are LED.
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| CN201510999693.4A CN105423888B (en) | 2015-12-25 | 2015-12-25 | A kind of method and device of Rapid Screening metalwork dimensional defects |
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| CN201510999693.4A CN105423888B (en) | 2015-12-25 | 2015-12-25 | A kind of method and device of Rapid Screening metalwork dimensional defects |
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| CN105423888A true CN105423888A (en) | 2016-03-23 |
| CN105423888B CN105423888B (en) | 2017-10-20 |
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| CN105911099A (en) * | 2016-05-12 | 2016-08-31 | 洛阳理工学院 | Mortar plumpness detector and mortar plumpness detection method |
| CN106152996A (en) * | 2016-08-19 | 2016-11-23 | 潍坊歌尔电子有限公司 | A kind of point plate frock checking product plane degree |
| CN108278948A (en) * | 2017-12-29 | 2018-07-13 | 重庆市长寿区爱叮堡装饰设计有限公司 | Decoration arc-shaped plate shape cubing |
| CN108286928A (en) * | 2017-12-29 | 2018-07-17 | 重庆市长寿区爱叮堡装饰设计有限公司 | A method of detection arc-shaped plate appearance and size |
| CN108413863A (en) * | 2018-04-24 | 2018-08-17 | 苏州博宇科技有限公司 | A kind of verticality inspection tooling |
| CN108981634A (en) * | 2018-10-13 | 2018-12-11 | 徐州天泽乘龙机械制造有限公司 | A kind of measurer for thickness of metalwork |
| CN109186529A (en) * | 2018-10-13 | 2019-01-11 | 徐州天泽乘龙机械制造有限公司 | A kind of measurement of planeness system of band large-scale metal part |
| CN109297401A (en) * | 2018-09-14 | 2019-02-01 | 程春兰 | A kind of aluminium-plastic panel flatness detection device and aluminium-plastic panel flatness characterization processes |
| WO2019071629A1 (en) * | 2017-10-12 | 2019-04-18 | 晋城富泰华精密电子有限公司 | Workpiece length measurement device |
| CN112254631A (en) * | 2020-09-15 | 2021-01-22 | 郑州磨料磨具磨削研究所有限公司 | Method and instrument for detecting flatness of workpiece with conductive property |
| CN114234782A (en) * | 2021-12-13 | 2022-03-25 | 山东高速股份有限公司 | Bridge structure displacement measuring device and measuring method |
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| CN109297401A (en) * | 2018-09-14 | 2019-02-01 | 程春兰 | A kind of aluminium-plastic panel flatness detection device and aluminium-plastic panel flatness characterization processes |
| CN108981634A (en) * | 2018-10-13 | 2018-12-11 | 徐州天泽乘龙机械制造有限公司 | A kind of measurer for thickness of metalwork |
| CN109186529A (en) * | 2018-10-13 | 2019-01-11 | 徐州天泽乘龙机械制造有限公司 | A kind of measurement of planeness system of band large-scale metal part |
| CN112254631A (en) * | 2020-09-15 | 2021-01-22 | 郑州磨料磨具磨削研究所有限公司 | Method and instrument for detecting flatness of workpiece with conductive property |
| CN112254631B (en) * | 2020-09-15 | 2022-04-12 | 郑州磨料磨具磨削研究所有限公司 | Method and instrument for detecting flatness of workpiece with conductive property |
| CN114234782A (en) * | 2021-12-13 | 2022-03-25 | 山东高速股份有限公司 | Bridge structure displacement measuring device and measuring method |
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