CN105571461B - A kind of accurate taper hole accuracy measurement method - Google Patents

A kind of accurate taper hole accuracy measurement method Download PDF

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Publication number
CN105571461B
CN105571461B CN201510968280.XA CN201510968280A CN105571461B CN 105571461 B CN105571461 B CN 105571461B CN 201510968280 A CN201510968280 A CN 201510968280A CN 105571461 B CN105571461 B CN 105571461B
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CN
China
Prior art keywords
gauge
hole
taper hole
taper
accurate
Prior art date
Application number
CN201510968280.XA
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Chinese (zh)
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CN105571461A (en
Inventor
肖双勇
王帅
陈晓强
吴武山
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郑州磨料磨具磨削研究所有限公司
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Priority to CN201510968280.XA priority Critical patent/CN105571461B/en
Publication of CN105571461A publication Critical patent/CN105571461A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/08Measuring arrangements characterised by the use of mechanical means for measuring diameters
    • G01B5/12Measuring arrangements characterised by the use of mechanical means for measuring diameters internal diameters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/24Measuring arrangements characterised by the use of mechanical means for measuring angles or tapers; for testing the alignment of axes
    • G01B5/241Measuring arrangements characterised by the use of mechanical means for measuring angles or tapers; for testing the alignment of axes for measuring conicity

Abstract

A kind of accurate taper hole accuracy measurement method, comprises the following steps:(1)With marble plate correction precision taper hole accuracy measuring device zero-bit(2)Accurate taper hole accuracy measuring device is calibrated with ring standard gauge(3)Measure accurate taper hole outside diameter beneficial effects of the present invention:1st, accurate taper hole accuracy measuring device realizes the synchronous on-line measurement of taper hole cone angle and outside diameter, avoids the mistake of taper hole axial dimension, improves the precision of cone hole machine, improves the efficiency of cone hole machine.2nd, measuring method of the invention is simple to operate, reduces the labor intensity of worker, simplifies the processing testing process of taper hole.3rd, accurate taper hole accuracy measuring device is simple and reliable for structure, improves the yield rate of production, ensures product quality, reduces the cost of cone hole machine.

Description

A kind of accurate taper hole accuracy measurement method
Technical field
The invention belongs to taper hole fields of measurement, and in particular to a kind of accurate taper hole accuracy measurement method.
Background technology
Taper is widely used in mechanical structure, and Cone fit is conventional typical structure, is had higher axiality, is matched somebody with somebody The advantages that conjunction self-locking performance is good, good airproof performance, and gap and interference can be adjusted freely, the manufacture processing of taper hole have tended to be ripe.Cone The measurement in hole generally has three kinds of methods:That is comparative measurement method, the direct method of measurement, the indirect method of measurement:
(1)Comparative measurement method exactly compares standard taper measurer such as plug cone gage with light gap method or painting with tested taper hole Color method is checked, judges whether taper closes by detecting area of detection and the contact site of plug cone gage and tested taper hole Lattice;
(2)The direct method of measurement is exactly that tested taper is read directly from measurement instrument, conventional instrument have tool microscope, Three coordinate measuring machine etc., the direct method of measurement has the characteristics of measurement is accurate, measurement data is directly perceived, but the direct method of measurement is typically Finally detected after work pieces process to finished product, and on-line checking can not be carried out in process;
(3)The indirect method of measurement is then the measurement linear dimension relevant with tested taper hole, is calculated by trigonometric function tested The relevant parameter of taper hole, compared with comparative measurement method and the direct method of measurement, the indirect method of measurement often uses some specific structures, And carried out by general measure utensil, main the methods of including length bar steel ball mensuration.
At present, comparison method is that the main method of cone angle is examined in actual production, and comparison method can measure in process The contact area of taper hole and the axis of cone;The direct method of measurement can measure cone angle and outside diameter, but be limited by equipment, can only It is enough to be measured after Product processing is complete, it is impossible to on-line measurement workpiece cone angle and outside diameter;The indirect method of measurement(Length bar steel ball measures Method)The outside diameter of taper hole can be calculated by trigonometric function etc., but cone angle can not be measured.
The content of the invention
It is an object of the invention to provide a kind of accurate taper hole accuracy measurement method.
Based on above-mentioned purpose, the present invention adopts the following technical scheme that:
A kind of accurate taper hole accuracy measuring device, is made up of amesdial, gauge stand, standard pad, taper plug gauge and ring standard gauge, Gauge stand is a cylinder, and gauge stand is fixed by screws in the upper surface of standard pad and gauge stand and standard pad are concentric, gauge stand and standard The center of pad is provided with centre bore, and taper plug gauge is located in gauge stand and the centre bore of standard pad, and gauge stand and standard pad are away from screw One end and the position symmetrical with screw offer through hole, the bottom of amesdial is fixed in through hole and amesdial touches Head is concordant with the lower surface of standard pad;The ring standard gauge is arranged to single part, during detection, by the measurement portion of taper plug gauge It is put into ring standard gauge, amesdial is calibrated by the end face of ring standard gauge.
The dead astern that the gauge stand is opened up at lead to the hole site is provided with a small sircle hole, and the front in the middle part of through hole is set in the horizontal direction There is screwed hole, be provided with soket head cap screw in screwed hole, a longitudinal direction is provided with the through hole diametrical position parallel with gauge stand axis Through the slit of gauge stand, one end of the slit and the side edge of small sircle hole are touched, and the other end is through screwed hole and extends to gauge stand Edge.
The taper plug gauge is from top to bottom by taper shank section, cylindrical section(The height of cylindrical section is more than the thickness of standard pad), circle Bore section to form, taper shank section outer surface is provided with reticulate pattern, and conical section is measurement portion, and taper is 1 ︰ 4, and taper shank section is located at the centre bore of gauge stand Interior, cylindrical section is located in the centre bore of standard pad.
A kind of accurate taper hole accuracy measurement method:
(1)With marble plate correction precision taper hole accuracy measuring device zero-bit
Remove taper plug gauge, on 300mm × 300mm × 50mm 00 grade of marble flat board, gauge stand center is compressed, by thousand Divide table zeroing;
(2)Accurate taper hole accuracy measuring device is calibrated with ring standard gauge
By the use of ring standard gauge as test benchmark, taper plug is fitted into ring standard gauge taper hole, with hand slightly with forcing, makes its complete It is complete to coincide, taper plug gauge protrusion height Hb is calculated according to amesdial reading and standard pad thickness gauge;
(3)Measure accurate taper hole outside diameter
Accurate taper hole accuracy measuring device is held, taper plug gauge is filled in the taper hole of tested grinding wheel base body, slightly used with hand Force, it is fitted like a glove, taper plug gauge protrusion height Hc is calculated according to amesdial reading and standard pad thickness gauge;
(4)Result judgement
According to formula,--- the cone angle of taper hole,
Δ D --- it is the big stomidium footpath variable quantity of taper hole,
Δ H --- it is taper hole axial direction size changing amount,
Δ H is calculated, compares Hb, Hc, if Hb, Hc difference between 0 ~ Δ H, are then tested the outside diameter of matrix It is qualified, it is on the contrary then unqualified.
Taper hole measurement device involved in the present invention, can on-line measurement cone angle, while can accurately measure taper hole online Big end size, solves the secondary repetitive error occurred in the measurements with different instruments, equipment of cone angle, outside diameter of taper hole Problem, simplify measuring process, improve the measuring accuracy of the size of taper hole, reduce taper hole testing cost.
Beneficial effect:
1st, accurate taper hole accuracy measuring device realizes the synchronous on-line measurement of taper hole cone angle and outside diameter, avoids cone The mistake of hole axial dimension, the precision of cone hole machine is improved, improve the efficiency of cone hole machine.
2nd, measuring method of the invention is simple to operate, reduces the labor intensity of worker, simplifies the processing of taper hole Testing process.
3rd, accurate taper hole accuracy measuring device is simple and reliable for structure, improves the yield rate of production, ensures product matter Amount, reduce the cost of cone hole machine.
Brief description of the drawings
Fig. 1 is the structural representation of accurate taper hole accuracy measuring device in the present invention;
Fig. 2 is to remove the top view after amesdial in Fig. 1;
Fig. 3 is the structural representation of taper plug gauge in Fig. 1;
Fig. 4,5,6 are the measurement process schematic diagrames of invention;
Fig. 7 is the Cleaning Principle reference chart of the present invention;Wherein, 1. amesdial, 2. gauge stands, 21. slits, 3. standard pads, 4. Taper plug gauge, 41, taper shank section, 42. cylindrical sections, 43. conical sections, 44. reticulate patterns, 5. cross recessed countersunk head sscrews, 6. small sircle holes, 7. is logical Hole, 8. soket head cap screws, 9. marble flat boards, 10. ring standard gauges, 11. tested grinding wheel base bodies.
Embodiment
Embodiment 1
As shown in Figures 1 to 6, a kind of accurate taper hole accuracy measuring device, by amesdial 1, gauge stand 2, standard pad 3, taper plug Rule 4 and ring standard gauge 10 form, and gauge stand 2 is a cylinder, and gauge stand 2 is fixed on the upper of standard pad 3 by cross recessed countersunk head sscrew 5 Surface and gauge stand 2 and standard pad 3 are concentric, and the center of gauge stand 2 and standard pad 3 is provided with centre bore, and taper plug gauge 4 is located at gauge stand 2 In the centre bore of standard pad 3, the one end of gauge stand 2 and standard pad 3 away from the screw 5 and position symmetrical with screw 5 is opened Provided with through hole 7, the bottom of amesdial 1 is fixed in through hole 7 and the contact of amesdial 7 and the lower surface of standard pad are concordant;It is described Ring standard gauge 10 is arranged to single part, during detection, the measurement portion of taper plug gauge 4 is put into ring standard gauge 10, thousand points Table 1 is calibrated by the end face of ring standard gauge 10.
The dead astern that the gauge stand 2 opens up the opening position of through hole 7 is provided with a small sircle hole 6, and the front at the middle part of through hole 7 is along level side To provided with screwed hole, screwed hole is interior to be provided with soket head cap screw 8, and one is provided with the diametrical position parallel with the axis of gauge stand 2 of through hole 7 Bar longitudinally through the slit 21 of gauge stand, touch by one end of the slit 21 and the side edge of small sircle hole 6, the other end through screwed hole simultaneously Extend to the edge of gauge stand 2.The design of the slit 21 and soket head cap screw 8 is easy to lay amesdial 1.
The taper plug gauge 4 is from top to bottom by taper shank 41, cylindrical section 42(The height of cylindrical section 42 is more than the thickness of standard pad 3 Degree is more accurate during measurement), conical section 43 form, taper shank outer surface is provided with reticulate pattern 44, and conical section 43 is measurement portion, and taper is 1 ︰ 4, taper shank 41 is located in the centre bore of gauge stand 2, and cylindrical section 43 is located in the centre bore of standard pad 3.
The Cleaning Principle of the present invention is described below according to Fig. 7:
Assuming that taper hole cone angle is, that taper hole half-angle is/ 2, when taper hole diameter change amount(Taper hole diameter tolerance)For Δ During D, axial dimension variable quantity is calculated(Axial dimension tolerance)ΔH.It can be obtained by Fig. 7 geometrical relationships:
(1)
(2)
Formula(1)、(2)In:--- taper hole cone angle
Δ D --- it is the big stomidium footpath variable quantity of taper hole(Hole tolerance)
Δ H --- it is taper hole axial direction size changing amount(Axial dimension variable quantity)
C --- taper hole taper
Taper plug gauge 4 is self-control, and measuring taper plug gauge with Hai Kesikang MicroPlus 8.10.6 three coordinate measuring machines bores Angle is/2=7.1345°;Ring standard gauge 10 is self-control, is measured with extra large precision instrument DX-100 data processings universal comparator The big end dimension D=45.001mm of taper hole.After the completion of the grinding of the taper hole of Fig. 6 medium plain emery wheels matrix 11, through Hai Kesikang MicroPlus 8.10.6 three-dimensional coordinates measurement cone angle is 7.1340 °;The big end size of taper hole is omnipotent using Shanghai precision instrument DX-100 data processings Size is 45.003mm after horizontal metroscope detection.
Δ D=45.003mm-45.001mm=0.002mm, according to formula(2)It is 0.008mm to calculate Δ H.
The specific method measured using above-mentioned measurement apparatus is:
(1)With marble plate correction measurement apparatus zero-bit
As shown in figure 4, remove taper plug gauge 4, on flat board 300mm × 300mm × 50mm 00 grade of marble flat board 9, The center of gauge stand 2 is compressed, amesdial 1 is returned to zero;
(2)Accurate taper hole accuracy measuring device is calibrated with ring standard gauge
As shown in figure 5, by the use of homemade ring standard gauge 10 as test benchmark, taper plug gauge 4 is loaded into ring standard gauge 10 In taper hole, with hand slightly with forcing, it is fitted like a glove, taper plug gauge 4 is calculated according to the reading of amesdial 1 and the thickness gauge of standard pad 3 Protrusion height Hb;
(3)Measure accurate taper hole outside diameter
As shown in fig. 6, hand-held measurement apparatus, taper plug gauge 4 is filled in the tested taper hole of grinding wheel base body 11, slightly exerted oneself with hand Pressure, makes it fit like a glove, calculates the protrusion height Hc of taper plug gauge 4 according to the reading of amesdial 1 and standard pad thickness gauge, compare Hb, Hc, if differences of the Hc than Hb in 0 ~ Δ H, i.e. Hc is bigger 0-0.008mm than Hb, then it is qualified to be tested grinding wheel base body outside diameter, conversely, It is then unqualified.
In Fig. 4 to 6, marble flat board 9 is size 300mm × 300mm × 50mm 00 grade of marble flat board, its flatness Precision is 3 μm, and standard pad 3 is self-control, measures its thickness actual size H=5.881 ~ 5.883mm with micrometer, is examined with painting process Survey, the standard axis of cone and the contact area of grinding wheel base body taper hole are more than 90%, and taper is qualified;After the completion of emery wheel manufacture, scene grinding examination Test feedack to show, the taper hole precision of emery wheel can reach user's requirement.

Claims (2)

1. a kind of accurate taper hole accuracy measurement method, it is characterised in that comprise the following steps:
(1)With marble plate correction precision taper hole accuracy measuring device zero-bit
The accurate taper hole accuracy measuring device is made up of amesdial, gauge stand, standard pad, taper plug gauge and ring standard gauge, gauge stand For a cylinder, gauge stand is fixed by screws in the upper surface of standard pad and gauge stand and standard pad are concentric, gauge stand and standard pad Center is provided with centre bore, and taper plug gauge is located in gauge stand and the centre bore of standard pad, gauge stand and standard pad away from screw one Hold and the position symmetrical with screw offer through hole, the bottom of amesdial be fixed in through hole and the contact of amesdial with The lower surface of standard pad is concordant;Remove taper plug gauge, on marble flat board, compress gauge stand center, amesdial is returned to zero;
(2)Accurate taper hole accuracy measuring device is calibrated with ring standard gauge
By the use of ring standard gauge as test benchmark, taper plug gauge is fitted into the taper hole of ring standard gauge, with hand slightly with forcing, makes its complete It is complete to coincide, taper plug gauge protrusion height Hb is calculated according to amesdial reading and standard pad thickness gauge;
(3)Measure accurate taper hole outside diameter
Accurate taper hole accuracy measuring device is held, taper plug gauge is filled in the taper hole of tested grinding wheel base body, with hand slightly with forcing, It is fitted like a glove, taper plug gauge protrusion height Hc is calculated according to amesdial reading and standard pad thickness gauge;
(4)Result judgement
According to formula,--- the cone angle of taper hole,
Δ D --- it is the big stomidium footpath variable quantity of taper hole,
Δ H --- it is taper hole axial direction size changing amount,
Δ H is calculated, compares Hb, Hc, if Hb, Hc difference between 0 ~ Δ H, then the outside diameter of tested matrix is qualified, instead It is then unqualified.
2. accurate taper hole accuracy measurement method according to claim 1, it is characterised in that:The accurate taper hole precision measure The dead astern that gauge stand is opened up at lead to the hole site in device is provided with a small sircle hole, and the front in the middle part of through hole is provided with screw thread in the horizontal direction Hole, screwed hole is interior to be provided with soket head cap screw, and one is provided with the through hole diametrical position parallel with gauge stand axis longitudinally through table The slit of seat, one end of the slit and the side edge of small sircle hole are touched, and the other end is through screwed hole and extends to the edge of gauge stand.
CN201510968280.XA 2015-12-22 2015-12-22 A kind of accurate taper hole accuracy measurement method CN105571461B (en)

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CN106123739B (en) * 2016-08-25 2019-11-05 韶关学院 The combined type length-measuring appliance of opposite insertion roller gear inner end inner cone inner hole
CN106247888B (en) * 2016-08-31 2019-03-26 万向钱潮(桂林)汽车底盘部件有限公司 A kind of taper internal spline detection device
CN107138764A (en) * 2017-05-05 2017-09-08 上海航天设备制造总厂 The measurement process integration process of loaded cylinder device arrow interface and high-precision taper hole
CN107966087A (en) * 2017-11-22 2018-04-27 安徽东风机电科技股份有限公司 A kind of measuring tool for the detection of taper hole diameter
CN110332874A (en) * 2019-08-15 2019-10-15 柳州科路测量仪器有限责任公司 Shaft coupling height measuring rule
CN110388865A (en) * 2019-08-20 2019-10-29 江苏罡阳股份有限公司 A kind of crankshaft taper length-measuring appliance

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