CN205192431U - Case valve barrel parameter automatic checkout device - Google Patents
Case valve barrel parameter automatic checkout device Download PDFInfo
- Publication number
- CN205192431U CN205192431U CN201520987535.2U CN201520987535U CN205192431U CN 205192431 U CN205192431 U CN 205192431U CN 201520987535 U CN201520987535 U CN 201520987535U CN 205192431 U CN205192431 U CN 205192431U
- Authority
- CN
- China
- Prior art keywords
- measured workpiece
- groove
- servomotor
- valve pocket
- parameter automatic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model discloses a case valve barrel parameter automatic checkout device aims at providing a simple structure, measurement of efficiency height, can improve measurement accuracy's quick detection device. The utility model discloses a following technical scheme realizes: top in centre gripping measured workpiece (2), be equipped with the camera lens just to the CCD camera 5 of centre gripping measured workpiece, the image of centre gripping measured workpiece rotatory under the servo motor drive is gathered to CCD camera 5, the graduation position size in every groove that will gather converts digital signal transmission into to fixing on the epaxial round grating of servo motor owner 4, the angle displacement of workpiece motion object obtains to be surveyed, the position size that computer image processing software system calculated every groove is sent into through the reading head device to the linear array photosensitive tube, the groove width size in the graduation groove of measured workpiece is printed out to the demonstration, the position degree in groove and the straightness parameter of hanging down. The utility model provides a people be measuring error to the big influence of test result, measurement of efficiency low grade shortcoming.
Description
Technical field
The utility model relates in a kind of machining on Cylinder Parts cylindrical, add a multiple indexing trough groove width size, the position degree of groove and the device for fast detecting of verticality.
Background technology
The part that cylinder class outer circular shape comprises dimensional parameters key element is a lot, and its planform is different, and the coaxiality error that design proposes requires also different.Detection technique in machining can be divided into on-line checkingi according to its mode difference, add and detect break and detect after processing.Test item in machining mainly comprises: the size of workpiece, shape and surfaceness.Be machining manufacture and a kind of structure type common in detecting at field of machining valve pocket, spool, belong to difficulty of processing large, kind and quantity polycylindser class part.Cylinder Parts valve pocket, spool are in trial-production, batch product, cylindrical adds the groove width size of multiple indexing trough, the position degree of groove and a verticality, element to be measured relates to form tolerance-linearity, flatness, circularity, cylindrical form or position of related features-Line contour degree, surface profile orienting station tolerance-depth of parallelism, verticality, degree of tilt position location tolerance-right alignment, symmetry, position degree beat-radial, oblique, Circular Run-out Tolerance, the various parameters in radial, end surface full jumping.Because the change of cylinder class outer circular shape measured parameter is by the restriction in space, in measuring process, require that each contact point of measuring is all at the outside diameter peak on the face of cylinder, does not allow to occur departing from.Together with the physical location of position of related features and form tolerance, part element to be measured, direction are always closely connected with its true form.For the purpose of easy to operate, no matter measure with receiver ga(u)ge inspection or with instruction formula weight instrument, generally all direct contour surface in measured key element carries out.So site error is the resultant effect that physical location and true form produce, in the site error namely recorded, contain shape error.All the time, prior art, in order to address these problems, is all measure valve pocket, spool parameter on common universal tool-measuring microscope, adopts manually aiming, reading, calculating.The weak point of this mode is that survey crew workload is large, artificial measuring error has considerable influence to test result, measure the shortcomings such as efficiency is low, and, the product processed assembly qualified rate is very low, and interchangeability is poor, in order to solve Product processing and measure bottleneck, for this reason, one is proposed about spool, valve pocket parameter automatic detection apparatus.
Summary of the invention
The purpose of this utility model is the weak point existed for prior art, there is provided that a kind of structure is simple, to measure efficiency high, can improve on cylindrical and add multiple indexing trough Cylinder Parts groove width size, the position degree of groove and a device for fast detecting for squareness measurement precision.
The technical scheme that the invention for solving the technical problem adopts is: a kind of spool valve pocket parameter automatic detection apparatus, comprise: be fixed on the servomotor support on workbench, symmetrical in opposite directions servomotor is top, the top bearing of coaxial cable clamping measured workpiece 2, it is characterized in that: above clamping measured workpiece 2, be provided with camera lens just to the ccd video camera 5 of clamping measured workpiece 2, the image of the clamping measured workpiece 2 that ccd video camera 5 rotates under being captured in driven by servomotor, the indexing position size of each groove collected is transferred on the Circular gratings 4 connected firmly on servomotor spindle, phase order optical reference zero-bit, Circular gratings 4 light source becomes directional light through light path system, be incident upon on the moving grid of Circular gratings 4 indication grating and the fixed grid of scale grating, during measurement, servomotor spindle rotarily drives moving grid and rotates together, through light formed Moire fringe, linear array photosensitive tube detects the light signal that transmission is come, export near sinusoidal voltage signal, this signal is through amplifying, shaping, pulse signal is formed after differentiating circuit, umber of pulse total in gage work process, obtain the angular displacement of measured workpiece 2 moving object, linear array photosensitive tube sends into by read head device the position dimension that Computer Image Processing software systems calculate each groove, show and print the groove width size of the indexing trough of measured workpiece 2, the position degree of groove and verticality parameter.
The utility model has following beneficial effect compared to prior art,
The utility model is for spool valve pocket, Cylinder Parts cylindrical adding the groove width size of multiple indexing trough, the position degree of groove and a verticality, adopt the CCD camera technique of current advanced person, by the observing and controlling of computing machine high-precision rotary, Circular gratings automatic gauge angle, computer image processing technology, in conjunction with measured workpiece type and pending error pattern, automatically data processing technique is carried out, quick detection Cylinder Parts cylindrical adds the groove width size of multiple indexing trough, the position degree of groove and a verticality, improve measuring accuracy and measure efficiency.Adopt servomotor moving object to rotarily drive moving grid to rotate together, and the standard machinery structure that fixed grid is motionless, without driving error, complete the automatic detection of spool valve pocket parameter, structure is simple, solves artificial measuring error to the large impact of test result, measures the shortcomings such as efficiency is low, and the product processed assembly qualified rate is high.
Measuring accuracy is high.The digital Circular gratings angle system that the utility model adopts: resolving power is 1 second; Diameter run-out≤1.3 μm; Whole measuring system precision is better than ± and 10 seconds.High precision CCD5 pointing accuracy: five measuring repeatability error≤1 μm.With measured workpiece, five measuring repeatability error≤2 μm.
Accompanying drawing explanation
Fig. 1 is spool, valve pocket parameter automatic detection apparatus schematic diagram
In figure: 1 workbench, 2 measured workpieces, 3 servomotor supports, 4 high accuracy circular gratings, 5CCD video camera, 6Z are top to adjusting knob, 8 anti-interference covers, 9 motor driving box, 10 Circular gratings indicators, 11 brilliance control casees, 12 computing machines, 13 front axle systems to adjusting knob, 7Y, 14 printers, 15 top bearings.
Embodiment
Consult Fig. 1.In embodiment described below, spool valve pocket parameter automatic detection apparatus, comprising: be fixed on the servomotor support on workbench, symmetrical in opposite directions servomotor is top, the top bearing of the measured workpiece 2 of coaxial cable clamping band shift fork.Measured workpiece 2 and Circular gratings 4 adopt and are rigidly connected.Spool or valve pocket are arranged on pulling sleeve, the other end of the measured workpiece 2 simultaneously with shift fork withstands in high precision front axle system top 13, and the driving lever on pulling sleeve is put into shift fork, and shift fork is on high accuracy circular grating 4 is top, servomotor is arranged in motor driving box 9, builds anti-interference cover 8.Rotating handwheel makes tail centre arrive correct position, uses manual operation tentatively to aim at, then starts to measure with automatic catch.Front axle system top 13 and high accuracy circular grating 4 center adjust in 1.3 μm, CCD5 is fixed on the column of workbench 1, camera lens is spent downward vertically in 1.0 μm, due to ccd video camera band coaxial light source, when the light that coaxial light source sends is radiated at piece surface, cylindrical is white, be black at bottom land, like this when through light form Moire fringe time ccd video camera just can precise acquisition to the edge of parts groove, simultaneously, Circular gratings 4 gathers Angular Dimension at this moment, the size positions of the 1st groove gathered recorded by the self-editing software of computing machine, in like manner, when parts turn is to the position of second groove, the size positions of the 2nd groove gathered recorded by the self-editing software of computing machine, calculate the position dimension of all grooves by that analogy, final COMPREHENSIVE CALCULATING obtains size and the position degree of drawing requirement measurement.
Ccd video camera 5 is arranged on the top of clamping measured workpiece 2, and ccd video camera 5 camera lens is just to the surfaces of revolution of clamping measured workpiece 2.Start image measurement software interface, after switching on power, open brilliance control case 11, adjustment Z-direction adjusting knob 6 makes the white line alignment red line on Y-direction adjusting knob 7, open grating electronic box switch, open driving electronic box, change to automatic transmission (if not at automatic catch, it is invalid then automatically to measure), now, measured workpiece 2 with shift fork rotates under the driving of servomotor 3, Circular gratings indicator 10 (the physical location angle of main display Circular gratings) and high accuracy CCD camera 5 gather the indexing position size of each groove, the position dimension of each groove is calculated by high accuracy circular grating 4, thus obtain the groove width size of indexing trough, the position degree of groove and verticality.
Measured workpiece 2 rotates under the driving of servomotor 3, high precision CCD5 gathers the indexing position size of each groove, the image of the clamping measured workpiece 2 that ccd video camera 5 rotates under being captured in driven by servomotor, the indexing position size of each groove collected is transferred on the Circular gratings 4 connected firmly on servomotor spindle, phase order optical reference zero-bit, Circular gratings 4 light source becomes directional light through light path system, is incident upon on the moving grid of Circular gratings 4 indication grating and the fixed grid of scale grating; During measurement, servomotor spindle rotarily drives moving grid and rotates together, through light formed Moire fringe, linear array photosensitive tube detects the light signal that transmission is come, export near sinusoidal voltage signal, this signal forms pulse signal after amplification, shaping, differentiating circuit, umber of pulse total in gage work process, obtain the angular displacement of measured workpiece 2 moving object, linear array photosensitive tube sends into by read head device the position dimension that computing machine 12 image processing software system-computed goes out each groove, can print workpiece calibration result on demand.Display also prints the groove width size of the indexing trough of measured workpiece 2, the position degree of groove and verticality parameter by printer 14.By this cover system add self-programmed software may be used for outside diameter φ 50mm≤cylindrical part measure.
Grating be utilize the transmission of light, optical detection device that diffraction phenomena is made, it is primarily of scale grating and grating reading head two parts composition.Usually, scale grating is fixed on (as worktable or leading screw) on the movable part of lathe, and grating reading head is arranged on (as lathe base) on the fixed part of lathe, and the two is relative movement along with the movement of worktable.In grating reading head, be installed with an indication grating, when grating reading head moves relative to scale grating, indication grating just moves on scale grating.
Claims (5)
1. a spool valve pocket parameter automatic detection apparatus, comprise: be fixed on the servomotor support on workbench, symmetrical in opposite directions servomotor is top, the top bearing of coaxial cable clamping measured workpiece (2), it is characterized in that: in the top of clamping measured workpiece (2), be provided with camera lens just to the ccd video camera (5) of clamping measured workpiece (2), the image of the clamping measured workpiece (2) rotated under ccd video camera (5) is captured in driven by servomotor, be that digital data transmission is on the Circular gratings connected firmly on servomotor spindle (4) by the angle position size conversion of each groove collected, phase order optical reference zero-bit, Circular gratings (4) light source becomes directional light through light path system, be incident upon on the moving grid of Circular gratings (4) indication grating and the fixed grid of scale grating, during measurement, servomotor spindle rotarily drives moving grid and rotates together, through light formed Moire fringe, linear array photosensitive tube detects the light signal that transmission is come, export near sinusoidal voltage signal, this signal is through amplifying, shaping, pulse signal is formed after differentiating circuit, umber of pulse total in gage work process, obtain the angular displacement of measured workpiece (2) moving object, linear array photosensitive tube sends into Computer Image Processing software systems by read head device, calculate the position dimension of each groove, show and print the groove width size of the indexing trough of measured workpiece (2), the position degree of groove and verticality parameter.
2. spool valve pocket parameter automatic detection apparatus as claimed in claim 1, is characterized in that: measured workpiece (2) and Circular gratings (4) adopt and be rigidly connected.
3. spool valve pocket parameter automatic detection apparatus as claimed in claim 1, it is characterized in that: spool or valve pocket are arranged on pulling sleeve, the other end of the measured workpiece (2) simultaneously with shift fork withstands in high precision front axle system top (13), driving lever on pulling sleeve is put into shift fork, shift fork is on high accuracy circular grating (4) is top, and servomotor is arranged in motor driving box (9).
4. spool valve pocket parameter automatic detection apparatus as claimed in claim 1, is characterized in that: front axle system top (13) and Circular gratings (4) center are in 1.3 μm.
5. spool valve pocket parameter automatic detection apparatus as claimed in claim 1, is characterized in that: CCD5 is fixed on the column of workbench (1), and camera lens is spent downward vertically in 1.0 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520987535.2U CN205192431U (en) | 2015-12-02 | 2015-12-02 | Case valve barrel parameter automatic checkout device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520987535.2U CN205192431U (en) | 2015-12-02 | 2015-12-02 | Case valve barrel parameter automatic checkout device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205192431U true CN205192431U (en) | 2016-04-27 |
Family
ID=55785410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520987535.2U Active CN205192431U (en) | 2015-12-02 | 2015-12-02 | Case valve barrel parameter automatic checkout device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205192431U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387817A (en) * | 2015-12-02 | 2016-03-09 | 四川凌峰航空液压机械有限公司 | Device for rapidly detecting size parameters of cylinder type excircle shape |
| CN107796324A (en) * | 2017-11-27 | 2018-03-13 | 罗琪 | Displacement measuring device and method based on light pipe |
| CN108766287A (en) * | 2018-04-12 | 2018-11-06 | 梁瑞城 | A kind of alarming device for electric power overhaul |
| CN109084970A (en) * | 2018-07-11 | 2018-12-25 | 北京理工大学 | A kind of rotary valve auxiliary stream guidance area measurement method based on Circular gratings |
| CN114012635A (en) * | 2022-01-07 | 2022-02-08 | 爱柯迪股份有限公司 | Positioning device for shifting fork shaft of gearbox |
| CN117663995A (en) * | 2024-01-31 | 2024-03-08 | 中交天航南方交通建设有限公司 | Hydraulic filling pipeline measuring device |
-
2015
- 2015-12-02 CN CN201520987535.2U patent/CN205192431U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387817A (en) * | 2015-12-02 | 2016-03-09 | 四川凌峰航空液压机械有限公司 | Device for rapidly detecting size parameters of cylinder type excircle shape |
| CN107796324A (en) * | 2017-11-27 | 2018-03-13 | 罗琪 | Displacement measuring device and method based on light pipe |
| CN107796324B (en) * | 2017-11-27 | 2023-08-11 | 罗琪 | Displacement measuring device and method based on light pipe |
| CN108766287A (en) * | 2018-04-12 | 2018-11-06 | 梁瑞城 | A kind of alarming device for electric power overhaul |
| CN108766287B (en) * | 2018-04-12 | 2020-07-24 | 广东电网有限责任公司肇庆供电局 | A warning device for electric power overhauls |
| CN109084970A (en) * | 2018-07-11 | 2018-12-25 | 北京理工大学 | A kind of rotary valve auxiliary stream guidance area measurement method based on Circular gratings |
| CN114012635A (en) * | 2022-01-07 | 2022-02-08 | 爱柯迪股份有限公司 | Positioning device for shifting fork shaft of gearbox |
| CN117663995A (en) * | 2024-01-31 | 2024-03-08 | 中交天航南方交通建设有限公司 | Hydraulic filling pipeline measuring device |
| CN117663995B (en) * | 2024-01-31 | 2024-04-02 | 中交天航南方交通建设有限公司 | Hydraulic filling pipeline measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105387817A (en) | Device for rapidly detecting size parameters of cylinder type excircle shape | |
| CN205192431U (en) | Case valve barrel parameter automatic checkout device | |
| CN102749041B (en) | Propeller type surface contour error measurement instrument and method | |
| CN111023981B (en) | Large cylindrical workpiece parameter measuring device and method | |
| CN103586740B (en) | A kind of fine precision process tool work pattern is at position detecting method | |
| CN102937409B (en) | Polar coordinate gear measurement center and zero calibrating method thereof | |
| CN109357631A (en) | A kind of measuring system center scaling method based on laser displacement sensor | |
| CN202101656U (en) | Double-measuring head structure | |
| CN204128509U (en) | A kind of diameter measurement device | |
| CN103217128B (en) | Twin-lens measuring system | |
| CN104776798A (en) | Measurement device and measurement method of boundary dimension and geometric tolerance of cylindrical workpiece | |
| CN201434668Y (en) | Raster ball screw stroke dynamic detector | |
| CN202869440U (en) | Five-shaft system solid of revolution measuring instrument | |
| CN103063239A (en) | Test platform and test method for absolute grating ruler | |
| CN101387495A (en) | Cylinder liner intelligent detection device | |
| CN102636137A (en) | REVO (Resident Encrypted Variable Output) measuring head position posture calibrating method in joint arm type coordinate measuring machine | |
| CN103335602A (en) | Multistation and multiparameter high precision measurement method and device of light curtain shaft part | |
| CN104964626A (en) | CCD vision-based grating type three-class metal linear scale standard measuring device | |
| CN102735191A (en) | Device for determining verticality of honeycomb ceramics | |
| CN201803696U (en) | Pinion gear measuring device with granite structure | |
| CN201322608Y (en) | Shifting cam measuring apparatus | |
| CN102944190A (en) | High-precision detector and method for measuring circular degree of mechanical parts of large sizes | |
| CN107449348B (en) | High-precision large-range automatic measuring device and measuring method for inner diameter of cylinder sleeve | |
| CN205342667U (en) | Check out test set of five digit control machine tool rotation axis errors | |
| CN204718552U (en) | cylinder sleeve detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |