CN203141229U - Large shaft part cylindricity measurement device based on V-shaped block method - Google Patents
Large shaft part cylindricity measurement device based on V-shaped block method Download PDFInfo
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- CN203141229U CN203141229U CN 201320148572 CN201320148572U CN203141229U CN 203141229 U CN203141229 U CN 203141229U CN 201320148572 CN201320148572 CN 201320148572 CN 201320148572 U CN201320148572 U CN 201320148572U CN 203141229 U CN203141229 U CN 203141229U
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Abstract
The utility model relates to a large shaft part cylindricity measurement device based on a V-shaped block method, and belongs to the field of error measuring of surface shapes. A pair of four-opening V-shaped blocks which are consistent in geometric feature and mutually parallel are perpendicularly erected at the two ends of a machined shaft workpiece located at a machining tool by the large shaft part cylindricity measurement device based on the V-shaped block method, the large shaft part cylindricity measurement device based on the V-shaped block method guarantees that the four-opening V-shaped blocks and the surface of the shaft workpiece to be tested are tangent on two points, the two V-shaped blocks are supported by four screw rods, and an adjusting nut is rotated to enable the two V-shaped blocks to make slight contact with the surface of the shaft workpiece to be tested. Based on symmetry of the four-opening V-shaped blocks, the two V-shaped blocks are connected through two precision shafts, sliders are installed on the precision shafts to form double guiding rails, a sensor is installed on a slider connecting plate, and an deflection tilt angle of the sensor can be adjusted. The large shaft part cylindricity measurement device based on the V-shaped block method is simple in structure, convenient to operate and low in cost, structural features of the four-opening V-shaped blocks can better guarantee parallelism of a central shaft of the shaft workpiece located by the large shaft part cylindricity measurement device based on the V-shaped block method, and the guiding rails, cylindricity measuring accuracy of the workpiece to be tested is favorable for being promoted, and the large shaft part cylindricity measurement device based on the V-shaped block method is applicable to in-place measuring.
Description
Technical field
The utility model belongs to axial workpiece shape error measuring technical field, relates in particular to a kind of new macrotype axes series parts cylindricity measurement device based on the V-block method.
Background technology
Development along with Precision Machining and accurate measurement, (the GB specified diameter is big axial workpiece greater than the axial workpiece of 500mm to macrotype axes series parts, as: metallurgical roller, big rotor, stator and large-scale bent axle) deviation from cylindrical form measure problem, be the restraining factors of production field development always.Because macrotype axes series parts enormous size, material are special, the limitation of profile measurement required precision height and measurement environment, and part also deforms easily under high temperature, inside or these operating conditions of outside high capacity, so deviation from cylindrical form should be measured in the process of making and operating.Axial workpiece is used very extensive in various machines and instrument, its form error directly influences the positioning accuracy of fiting property and the rotary surface of matching surface, and then influences service life etc. of the vibration of rotating accuracy, the revolving part of entire machine, lubricated, noise, sealing and part.
Generally speaking, the measurement of cylindrical form error is carried out at roundness measuring equipment, several of the circularity form error in its several cross sections of evaluation many uses tested part, the linearity form error of part bus and radius errors etc. provide, and its measurement and evaluation precision are limited.When the application roundness measuring equipment carries out the cylindrical form error measure, not only require roundness measuring equipment to have very high rotating accuracy, the differentiate rail has very high precision of rectilinear motion again, also requires simultaneously to have the high depth of parallelism between guide rail and the axis of rotation.Spindle rotation accuracy such as the Talyround300 roundness measuring equipment is 0.0025 μ m, and the straightness error control of guide rail has had high precision in 0.5 μ m.If tested part length is 500mm, the error of inviting so thus can reach 2.4 μ m, and this is that precision measure institute is unacceptable, and therefore traditional cylindrical form error measurement method is difficult to be competent at.Scholar both domestic and external has done very big effort in this respect, some scholars of Poland Kielce polytechnical university (Kielce University of Technology) have proposed the measurement of employing " V-block method " for the axial workpiece deviation from cylindrical form, document " Qualitative and quantitative evaluation of the accuracy of the V-block method of cylindricity measurements " (Precision Engineering, 34 (2010) 619-626) disclose this method, and adopted this method to design experimental provision.The data that the data that this measurement device is drawn and conventional method obtain compare, the evaluation of qualitative, quantitative the accuracy of these measurement device gained data, good authentication the feasibility of " V-block method ".
What the disclosed experimental provision of above-mentioned document adopted is the V-block of autonomous processing, does not have versatility, can not be widely used in the measurement of all kinds of axial workpieces; Its two V-block makes V-block slightly to contact with measured workpiece by two groups of springs, adjusts V-block by the screwed cylinder of surface of revolution, makes two V-block vertical racks on tested shaft-like workpiece, and this mechanism structure is complicated, inconvenient operation; Measuring transducer is fixed on base for supporting, is unfavorable for adjusting flexibly the deflection angle of sensor.
The utility model content
The utility model is analyzed and researched at " V-block method " that the foreign scholar proposes, improves at the deficiency that its experimental provision embodies, and proposes a kind of macrotype axes series parts cylindricity measurement device based on the V-block method.
The utility model is measured the cylindricity principle:
The location of realizing tested shaft-like workpiece by a pair of four-hole V-block that meets national standard, two V-blocks interconnect vertical rack on the tested shaft-like workpiece that is positioned on the machining tool, its fixed-site is motionless, the following V-type groove that guarantees selected four-hole V-block can be tangential on 2 points with measured axis class surface of the work, described V-block is characterized in that it being a pair of national standard that meets fully, is of similar shape, the four-hole V-block of size, surface planarity, roughness and V-type groove angle.Two V-blocks are parallel to each other simultaneously, are supported making two V-blocks slightly contact with tested shaft-like workpiece by supporting mechanism, do not influence the rotation of tested shaft-like workpiece on lathe, and rotating speed is by Machine-Tool Control.Two V-blocks connect by connecting rod (perhaps optical axis), wherein connecting rod (perhaps connecting optical axis) is equivalent to guide rail, the sensor that will have certain deflection angle is fixed on the guide rail by the sensing support, the sensor adjustable angle, mechanical feature according to four-hole V-block self, at four-hole V-block top mounting guide rail driving mechanism, drive the rectilinear motion of sensor on guide rail, transducer probe assembly with place lathe on the measured axis class surface of the work that rotates contact, along the orbiting motion of measured axis class surface of the work according to appointment.The central shaft of the tested shaft-like workpiece that neutrality is oriented of the V-block of described two feature unanimities itself, the design feature of two V-blocks itself has better guaranteed the depth of parallelism of central shaft and the guide rail of tested shaft-like workpiece simultaneously, thereby further improves the certainty of measurement of tested shaft-like workpiece deviation from cylindrical form.
The utlity model has following superiority:
1, the utility model adopts the four-hole V-block that meets national standard as due to element, also is measuring cell simultaneously, can extensively apply to the measurement of all kinds of axial workpiece cylindricities;
2, whole guide rail craspedodrome system is installed between two V-blocks in the utility model, rationally utilizes four-hole V-block design feature, and simple in structure, flexibility is strong, more is conducive to the on-position measure of measured workpiece;
3, two V-blocks support by four screw rods in the utility model, adjust contacting between V-block and the tested shaft-like workpiece by the rotation adjusting nut, and are more convenient to operate;
4, the utility model is measured and can be adjusted the sensor deflection angle flexibly.
Description of drawings
Fig. 1 V-block method is measured the experimental provision schematic diagram of macrotype axes series parts cylindricity
Among Fig. 1: 4-screw rod base; The 5-screw rod; The 6-adjusting nut; The 7-spring base; 8-screw rod back-up block; The 9-pressing plate; 10-slide block connecting plate; 11-slide block connecting plate moves the hole; 12-sensor mounting blocks; The 3-sensor; 13-feed screw nut bindiny mechanism; 14-feed screw nut; The 15-shaft coupling; The 16-drive motors; The tested shaft-like workpiece of M-; P-connecting axle (optical axis); Q-four-hole V-block; The N-bearing block; The G-ball screw; The H-slide block.
Fig. 2 V-block measuring principle schematic diagram
Among Fig. 2: the tested shaft-like workpiece of M-; Q-four-hole V-block; The 1-guide rail; The 2-sensor stand; The 3-sensor.
The left view of Fig. 3 V-block measuring principle schematic diagram
Among Fig. 3: the tested shaft-like workpiece of M-; Q-four-hole V-block; The 2-sensor stand; The 3-sensor; α-be V-type groove angle in the V-block; The deflection angle of β-sensor, the i.e. angle of sensor and V-type groove angle bisector.
The specific embodiment
Be elaborated below in conjunction with structure and the operation principle of 1 pair of the utility model of accompanying drawing based on the macrotype axes series parts cylindricity measurement experimental provision of V-block method:
As shown in Figure 1, two V-blocks are a pair of four-hole V-block in the utility model, are of a size of 200*200*45mm, and V-type groove angle α is 120 °, and sensor deflection angle β is 9 °, and measured axis class diameter of work is 200mm, and length is 500mm.The V-block supporting and positioning mechanism comprises the shaft-like workpiece M two ends that a pair of four-hole V-block Q vertical rack that is parallel to each other has been processed on machining tool, the following V-type groove of four-hole V-block Q and tested shaft-like workpiece M surface are tangential on 2 points.Two V-block Q are connected and fixed by the back-up block 8 of four screw rod 5 tops and V-block both sides, spring base 7, adjusting nut 6 and base 4 have been installed on the screw rod 5, can adjust the height of two V-block Q by rotating four adjusting nuts 6, make V-block ground be in same plane, two V-block Q can be tangential on 2 points with tested shaft-like workpiece M simultaneously, slightly contact with tested shaft-like workpiece M, do not influence the rotation of tested shaft-like workpiece, four screw rod 5 bottoms fix on the ground by screw rod base 7.Two guide track systems are made up of two optical axis P (selecting diameter for use is the optical axis of 40mm), two slide block H, slide block connecting plate 10, ball screw G, two bearing block N, feed screw nut 14, feed screw nut bindiny mechanism 13, drive motors 16, shaft coupling 15, motor mounting plates (17).Symmetry according to four-hole V-block Q self, with two sizes, the optical axis P of feature unanimity is connected two four-hole V-block Q, two optical axis P two ends are fixed in the V-type groove of four-hole V-block both sides by pressing plate 9, at each optical axis P slide block H is installed and constitutes two guide rails 1, by slide block connecting plate 10 two slide block H are linked together, ball screw G frame is on two V-block Q tops, N fixes by bearing block, screw mandrel G and drive motors 16 main shafts are fastened on by shaft coupling 15 on the motor mounting plate 17 that is positioned on the four-hole V-block Q top, by feed screw nut bindiny mechanism 13 ball screw G are connected with slide block connecting plate 10 and have formed two guide track systems.The not other sensor installation support 2 of the utility model, directly sensor mounting blocks 12 is located on the slide block connecting plate 10, by sensor mounting blocks 12 fixation of sensor 3 (selecting high-precision displacement transducer for use), sensor mounting blocks 12 adjustable angle, slide block connecting plate 10 is provided with mobile hole 11, make to move forward and backward in 11 scopes of can be the more mobile hole of slide block connecting plate, be conducive to better adjust the deflection angle β of sensor 3.
The utility model operation principle:
Tested shaft-like workpiece M is after machine tooling is intact, to install V-block measurement mechanism vertical rack on measured workpiece, adjust the height of V-block measurement mechanism by the adjusting nut 6 on the rotary screw 5, make that the following V-type rooved face of two four-hole V-block Q can both be tangent with tested shaft-like workpiece M surface, and slight contact, do not influence the rotation of tested shaft-like workpiece M, the standing screw bottom 4 then.The craspedodrome campaign of two guide track systems drives precise ball screw G by drive motors 16 and rotates, and drives feed screw nut bindiny mechanism 13 and sensor 3 moving linearlies of adjusting deflection angle β, and tested shaft-like workpiece M rotates at lathe simultaneously, and rotating speed is by Machine-Tool Control.Owing to the symmetry of four-hole V-block Q itself with to neutrality, better guaranteed the linearity of two guide rail mechanisms, and the depth of parallelism between the tested shaft-like workpiece M central shaft that obtains of guide rail 1 and two V-block Q location, thereby improved the certainty of measurement of tested shaft-like workpiece M deviation from cylindrical form.
Claims (4)
1. new macrotype axes series parts cylindricity measurement device based on the V-block method, it comprises a pair of four-hole V-block (Q), be used for supporting four screw rods (5) of two four-hole V-blocks (Q), the adjusting nut (6) and the screw rod firm banking (4) that are positioned on the screw rod (5) are formed the V-block support system, shaft-like workpiece (M) two ends that two V-blocks (Q) vertical rack has been processed on machining tool, V-block (Q) down V-type groove is tangential on 2 points with working shaft-like workpiece (M) surface, two V-blocks are characterised in that it is a pair of identical geometric properties that has, the four-hole V-block of surface accuracy, four adjusting nuts (6) are adjusted the height of two V-blocks (Q), make that the V-type rooved face can slightly contact with tested shaft-like workpiece (M) under two V-blocks (Q), do not influence the rotation of tested shaft-like workpiece (M).
2. the device related according to claim 1, it also comprises two optical axises (P), be installed in two slide blocks (H) and slide block connecting plate (10) on (P), the ball screw (G) of level frame on four-hole V-block (Q) top, be positioned at four-hole V-block (Q) top and be used for fixedly two bearing blocks (N) of ball screw (G), be positioned at feed screw nut (14) and feed screw nut bindiny mechanism (13) on the ball screw (G), be positioned at motor mounting blocks (17) the fixed drive motor (16) on the four-hole V-block (Q), the shaft coupling (15) that connects drive motors (16) main shaft and ball screw (G) is connected to form two guide track systems, it is characterized in that two optical axis levels connect two V-blocks and constitute two guide rails, and two guide track system is between two V-blocks.
3. the device related according to claim 2, it also comprises the sensor mounting blocks (12) that will be fixed on the slide block connecting plate (10), it is characterized in that sensor mounting blocks (12) adjustable angle, guarantees not influence slide block (H) in optical axis (P) movement.
4. the device related according to claim 3, it also is included in the mobile hole (11) that slide block connecting plate (10) arranges, it is characterized in that slide block connecting plate (10) can move forward and backward, and is conducive to better adjust the deflection angle of sensor (3) in the scope of mobile hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320148572 CN203141229U (en) | 2013-03-20 | 2013-03-20 | Large shaft part cylindricity measurement device based on V-shaped block method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320148572 CN203141229U (en) | 2013-03-20 | 2013-03-20 | Large shaft part cylindricity measurement device based on V-shaped block method |
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| CN203141229U true CN203141229U (en) | 2013-08-21 |
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| CN 201320148572 Expired - Fee Related CN203141229U (en) | 2013-03-20 | 2013-03-20 | Large shaft part cylindricity measurement device based on V-shaped block method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512532A (en) * | 2013-09-27 | 2014-01-15 | 洛阳轴研科技股份有限公司 | Using method of point contact combination V-shaped block with adjustable space distance between two adjacent points |
| CN103954211A (en) * | 2014-05-15 | 2014-07-30 | 中国工程物理研究院机械制造工艺研究所 | Device for measuring parallelism of buses with two rotary bodies |
| CN114453976A (en) * | 2022-02-09 | 2022-05-10 | 广东韶钢松山股份有限公司 | Roller shell turning quality acceptance tool and use method thereof |
-
2013
- 2013-03-20 CN CN 201320148572 patent/CN203141229U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512532A (en) * | 2013-09-27 | 2014-01-15 | 洛阳轴研科技股份有限公司 | Using method of point contact combination V-shaped block with adjustable space distance between two adjacent points |
| CN103512532B (en) * | 2013-09-27 | 2016-02-03 | 洛阳轴研科技股份有限公司 | A kind of point cantact and the adjustable combined type vee-block using method of adjacent distance between two points |
| CN103954211A (en) * | 2014-05-15 | 2014-07-30 | 中国工程物理研究院机械制造工艺研究所 | Device for measuring parallelism of buses with two rotary bodies |
| CN103954211B (en) * | 2014-05-15 | 2016-06-01 | 中国工程物理研究院机械制造工艺研究所 | A kind of two solid of revolution bus parallelism measuring apparatus |
| CN114453976A (en) * | 2022-02-09 | 2022-05-10 | 广东韶钢松山股份有限公司 | Roller shell turning quality acceptance tool and use method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20140320 |