CN202614203U - Multi-taper deep-hole machining detection device - Google Patents
Multi-taper deep-hole machining detection device Download PDFInfo
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- CN202614203U CN202614203U CN 201220200987 CN201220200987U CN202614203U CN 202614203 U CN202614203 U CN 202614203U CN 201220200987 CN201220200987 CN 201220200987 CN 201220200987 U CN201220200987 U CN 201220200987U CN 202614203 U CN202614203 U CN 202614203U
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Abstract
The utility model discloses a multi-taper deep-hole machining detection device, composed of a guide post, a lead screw, a fixing mechanism, a crawler, a power mechanism and a data processing system, wherein the lead screw is mounted on the fixing mechanism; the crawler is fixedly connected to the middle part of the lead screw; the guide post is mounted at the front part of the lead screw; the power mechanism is fixedly connected to the rear part of the lead screw; the crawler with a sensor moves along the lead screw and acquires data, and transmits the data to the data processing system through a data wire; and the guide post, the lead screw and the fixing mechanism together form a simple strut beam structure. The detection device is mainly used for detecting the surface quality and the dimensional accuracy of a multi-taper deep hole in finish machining. For the multi-taper deep hole, the detection device is capable of not only self-guiding, but also detecting a plurality of parameters of the multi-taper deep hole simultaneously, and thereby has the function of detecting a plurality of data in one step. Besides, the detection device is simple and practicable in structure, and capable of moving forwards and backwards through mechanical transmission; the detection function of the detection device is realized through the sensor; and the detection process is stable.
Description
Technical field
The utility model relates to and is used to detect the preceding bore area quality of deep hole finishing and the device of dimensional accuracy, specifically, relates to a kind of many taperings deep hole machining pick-up unit.Belong to Machine Design and manufacturing and testing techniques of equipment field.
Background technology
At present, relate to and carry out accurately machined detection after the roughing of many taperings deep hole and mostly adopt conventional method to carry out, its accuracy of detection is on the low side.The method that many taperings of widespread use deep hole detects on engineering mainly is interior rule mensuration.Interior rule mensuration is taked visual direct-reading, varies with each individual, and not only precision is difficult to guarantee, and method is backward, and efficient is low, on to long barrel inner diameter measurement, often seems powerless again.The traditional detection device is generally cantilever beam structure.Because detected object is many taperings deep hole, most pick-up units are cantilever beam structure, and its poor mechanical property can not satisfy the right alignment problem of pick-up unit.
In the existing disclosed document; " gun tube coyote hole parameter measurement Study on Technology " (" trajectory journal " 1998.12 the 10th volume (4): 88～91), " artillery lumen surfaceness detection technique " (" Changchun Institute of Optics and Fine Mechanics's journal " 2000.12 the 23rd volumes (4): 12～14) and " based on the small-bore bore quality detecting system of CCD " (" measuring automatically and control " 2008 the 27th volumes (9): relevant many taperings deep hole machining detection content of introducing 79～83) is all about detection degree of twining, and its method is to utilize CCD camera or laser detection; In patent 85200580, disclose a kind of gun barrel optics synthetic inspection tester, this somascope mainly is to utilize optical principle to detect rifling, gun muzzle angle and the flexibility of gun tube deep hole.
Along with modern surveying technology, measurement means, measuring method develop to diversification and high precision, photoelectric technology has obtained using widely in field tests, also has Related product to be applied in the detection of many taperings deep hole.But for the detection of each parameter in many taperings deep hole, because the characteristics of many taperings deep hole itself: deep hole belongs to the taper mutation deep hole, and taper mutation deep hole size is long, light is dark, be difficult for observation; Deep hole exists the varying aperture scope big, and the minimum-value aperture size is little, is difficult for being provided with probe in the hole, and the adjustment measuring instrument is inconvenient; Utilize photoelectric technology such as CCD camera, laser detection is difficult to realize the detection to many taperings deep hole.The CCD camera can't well photograph the endoporus situation; When utilizing sound wave and grating to detect, because disturbing factor is very big in the testing process, the signals collecting existing problems can not well satisfy and detect requirement.
The utility model content
Deficiency for fear of prior art exists overcomes its complex structure, poor mechanical property; The conventional method accuracy of detection is low, the problem that efficient is lower.The utility model proposes a kind of many taperings deep hole machining pick-up unit, and purpose is used to detect the surface quality and the dimensional accuracy of many taperings deep hole; Pick-up unit can carry out detecting the multiple parameters of many taperings deep hole simultaneously from guiding; Pick-up unit adopts simple beam structure, and is easy to operate; Testing process is stable, and accuracy of detection is high.
The utility model solves the technical scheme that its technical matters adopted: comprise guidepost, leading screw, fixed mechanism, crawl device, actuating unit, efferent duct, data handling system,
Said fixed mechanism comprises orienting sleeve, sleeve, big bearing, set collar, guidepost pin, fixing pin, base; Orienting sleeve is fixedly mounted on the base; Set collar is fixed in the orienting sleeve with big bearing transition fit, and the sleeve end face that is fixed in the orienting sleeve is relative with the end face of big bearing, and orienting sleeve is through fixing pin and sleeve location; Big bearing is stuck between orienting sleeve and the sleeve, and orienting sleeve is connected through screw with sleeve; Crawl device is connected in and is positioned at sleeve on the leading screw; Leading screw passes orienting sleeve, sleeve, big bearing, set collar and crawl device successively; Guidepost is pinned through guidepost and is fixedly mounted on the leading section of leading screw, and actuating unit is connected in the rearward end of leading screw; One end of efferent duct is fixedly mounted on the crawl device, and the other end is connected with actuating unit; Crawl device moves forward and backward and image data along leading screw, is transferred to data handling system through data line;
Said crawl device is made up of crawl device main body, front end end cover, rear end cap, inductance displacement sensor, fixing rack for sensor, sensor clamping device, grating sensor, grating displacement sensor fixed mount; Said sensor clamping device is " H " shape; Intermediate lateral has tapped through hole; Inductance displacement sensor and grating sensor are separately fixed on the sensor clamping device, two sensor clamping devices are separately fixed on fixing rack for sensor and the grating displacement sensor fixed mount; Fixing rack for sensor and grating displacement sensor fixed mount are installed in crawl device main body both sides, and front end end cover, rear end cap are connected through end cap gib screw and crawl device main body.
Said actuating unit comprises housing, servomotor, bearing race snap, bearing, driving gear, follower gear, hexagonal nut, gear and rocking bar composition; Said bearing race snap is two; Coaxial respectively being fixedly mounted on the housing biside plate; Bearing fixing is on bearing race snap, and leading screw passes bearing race snap, and follower gear and hexagonal nut are connected on the leading screw between the two bearings; Servomotor is installed in the inboard of housing, and servomotor output shaft and driving gear are connected, and parallel with leading screw; Rocking bar is installed on the housing, rocking bar end mounting teeth wheel and driving gear engagement in the housing; Actuating unit is controlled by data handling system.
Said data handling system is sent signal; Actuating unit receives control signal, and the driven by servomotor actuating unit moves, and actuating unit promotes crawl device slip reach through efferent duct when mobile; Simultaneously; Data handling system is sent acquired signal, inductance displacement sensor and grating sensor acquired signal, and signal transmitted back data handling system.
The simple beam structure that many taperings of the utility model deep hole machining pick-up unit adopts guidepost, leading screw, fixed mechanism three to constitute; Guidepost extends into testing product inside, and its external diameter is consistent with the testing product internal diameter, plays guide effect, and simultaneously, crawl device can guarantee the right alignment of himself and testing product when on leading screw, moving; The crawl device that has sensor moves along leading screw and detects, and demarcates through grating sensor and carries out signals collecting and processing then, thereby obtain surface quality parameters; Through the fluctuation of inductance displacement sensor measurement size, thereby obtain the dimensional accuracy parameter; Many taperings deep hole pick-up unit can respectively be gathered four data simultaneously when detecting each parameter simultaneously, thereby guarantees the accuracy of detection; Its testing process is stable, and testing process is not influenced by light.
Beneficial effect
Many taperings of the utility model deep hole machining pick-up unit is simple in structure, realizes the even running of mechanism through simple beam structure, reduces the interference that in signal acquisition process, produces because of vibrations, avoids in the testing process because of the phenomenon of discontinuity to the part scratch; The pick-up unit accuracy of detection is high, in testing process, can detect two parameters of surface quality and dimensional accuracy simultaneously; Pick-up unit can be avoided because endoporus produces the phenomenon that departs from the center of circle for many taperings deep hole in testing process from guiding; It is guide rail that pick-up unit adopts leading screw, has avoided crawl device surface of the work incised wound to having processed in testing process, influences crudy.
Description of drawings
Below in conjunction with accompanying drawing and embodiment many taperings of the utility model deep hole machining pick-up unit is done further explain.
Fig. 1 is many taperings of the utility model deep hole machining pick-up unit structural representation.
Fig. 2 is the crawl device structural representation of many taperings of the utility model deep hole machining pick-up unit.
Fig. 3 is the actuating unit synoptic diagram of many taperings of the utility model deep hole machining pick-up unit.
Fig. 4 is the mechanical structure synoptic diagram of many taperings of the utility model deep hole machining pick-up unit.
Fig. 5 is the cut-open view of many taperings of part deep hole pipe to be detected.
Among the figure:
1 guide post 2. Screw 3. Guide posts pin 4. Guide sleeve 5. Sleeve 6. Crawlers 7. Fixing pin Eight large bearings 9. Fixed fastening screws 10. fixing ring 11 output tube 12. kinetic mechanism 13 data processing system 14. inductive displacement sensors 15. sensor fastening screws 16. crawler body 17. front cover 18. sensor bracket 19. sensor holder 20. inductive displacement sensor holder cover 21. grating displacement sensor holder cover 22. rear end cover 23. grating displacement sensor fixed frame 24. grating sensor 25. cap screws 26. casing 27. pinion gear 28. servo motor 29. bearing retainer ring 30. bearing 31. Slave gear 32. hex nuts 33. Gear
Embodiment
Present embodiment is many taperings deep hole machining pick-up unit, comprising: comprise guidepost, leading screw, fixed mechanism, crawl device, actuating unit, efferent duct, data handling system.
Many taperings of the utility model deep hole machining pick-up unit one-piece construction is as shown in Figure 1.Pick-up unit is by guidepost 1, leading screw 2, guidepost pin 3, orienting sleeve 4, sleeve 5, crawl device 6, fixing pin 7, big bearing 8, fixedly trip bolt 9, set collar 10, efferent duct 11, actuating unit 12, data handling system 13 are formed; Orienting sleeve 4 is through pin and base location; Be installed on the base through screw retention, set collar 10 is fixed in the orienting sleeve 4 with big bearing 8 transition fit, places sleeve again; Sleeve 5 end faces that are fixed in the orienting sleeve 4 are relative with big bearing 8 end faces; Orienting sleeve 4 is through fixing pin 7 and sleeve 5 location, connects through fixing trip bolt 9, simultaneously bearing is stuck between orienting sleeve and the sleeve.Wherein orienting sleeve 4 internal diameters are consistent with detection workpiece port outside dimension, and sleeve 5 internal diameters equate with the internal diameter size that detects the workpiece port.Crawl device 6 is connected in the middle part of leading screw 2, is positioned at the other end of orienting sleeve 4 big bearings 8; Leading screw 2 passes orienting sleeve 4, sleeve 5, big bearing 8, set collar 10 and crawl device 6; Guidepost 1 is fixedly connected on the leading section of leading screw 2 through guidepost pin 3, and actuating unit 12 is fixedly connected on the rearward end of leading screw 2; One end of efferent duct 11 is fixedly mounted on the crawl device 6, and the other end is connected with actuating unit 12; Crawl device 6 moves forward and backward and image data along leading screw 2, is transferred to data handling system 13 through the data line that connects.
Like Fig. 2, shown in Figure 3, the crawl device of many taperings deep hole machining pick-up unit comprises inductance displacement sensor 14, sensor trip bolt 15, crawl device main body 16, front end end cover 17, fixing rack for sensor 18, sensor clamping device 19, inductance displacement sensor fixed mount top cover 20, grating displacement sensor fixed mount top cover 21, rear end cap 22, grating displacement sensor fixed mount 23, grating sensor 24, end cap trip bolt 25 compositions; Earlier inductance displacement sensor 14 and grating sensor 24 are separately fixed on the sensor clamping device 19 during installation; Two are " H " shape sensor clamping device 19 and are installed in respectively on fixing rack for sensor 18 and the grating displacement sensor fixed mount 23; Again that inductance displacement sensor fixed mount top cover 20 is fixing, grating displacement sensor fixed mount top cover 21 is fixing, inductance displacement sensor that fixes and grating sensor are fixedly mounted on the crawl device main body 16; Data line is derived through preformed hole on crawl device main body 16 and the fixing rack for sensor and is connected with efferent duct; Efferent duct 11 is fixedly connected with crawl device main body 16.Four screws that are 90 ° of distributions are respectively arranged on front end end cover 17, the rear end cap 22, and crawl device main body 16 front ends, rear end also respectively have four screw holes corresponding with it, and front end end cover 17, rear end cap 22 are installed with crawl device main body 16 through end cap trip bolt 25 and be connected.Crawl device moves around between guidepost and fixed mechanism and image data through the drive of actuating unit.
Actuating unit comprises that housing 26, driving gear 27, servomotor 28, two bearing race snaps 29, two bearings 30, follower gear 31, hexagonal nut 32, gear 33 and rocking bars form; Two coaxial respectively being fixedly mounted on housing 26 biside plates of bearing race snap 29 wherein; Two bearings 30 are installed in respectively on the bearing race snap 29; Bearing race snap 29 and bearing 30 interference fit; Leading screw 2 passes bearing race snap 29, and follower gear 31 and hexagonal nut 32 are connected on the leading screw 2 between the two bearings 30; Servomotor 28 is installed in the interior left downside of housing 26, and servomotor 28 output shafts and driving gear 27 are connected, and parallel with leading screw 2; Rocking bar is installed on the housing 26, rocking bar end mounting teeth wheel 33 in the housing 26 and driving gear 27 engagements.Actuating unit 12 is by data handling system 13 control, simultaneously, and can be automatically or manually advance, retreat.During detection, data handling system 13 is sent signal, and actuating unit 12 receives control signal; Servomotor 28 is received control signal, drives driving gear 27 and rotates, and gives follower gear 31 with transmission of power when driving gear 27 rotates; Follower gear 31 drives hexagonal nut 32 and rotates; Hexagonal nut 32 moves along leading screw 2, thereby drives whole actuating unit 12 forward and backward moving, and actuating unit 12 promotes crawl device 6 through efferent duct 11 and slides mobile in forward and backward mobile process; When moving forward; Data handling system 13 is sent acquired signal, and inductance displacement sensor 14 begins acquired signal with grating sensor 24, and signal is returned data handling system 13 through the data line transmission.
Many taperings deep hole machining pick-up unit is mainly used in surfaceness and the dimensional accuracy that detects many taperings deep hole, or cannon gun tube or high speed motor car axletree.As when detecting the cannon gun tube performance index of processing; Earlier the external port of fixed mechanism with the cannon gun tube is connected; And play fixation, and the guidepost 1 of pick-up unit extends into the inside of gun tube body, and guidepost 1 outside dimension of pick-up unit is identical with the internal diameter size of gun tube body; Crawl device 6 moves between guidepost 1 and fixed mechanism, and gathers the relevant detection data; Actuating unit 12 drives crawl device 6 forward and backward moving freely on leading screw 2 for whole detection device provides power.
Consult Fig. 4, Fig. 5, many taperings deep hole machining pick-up unit employing guidepost, leading screw, fixed mechanism three constitute the mechanical structure of free beam, have overcome the deficiency of common pick-up unit poor mechanical property.Guidepost extends into testing product inside and plays guide effect, the detection workpiece of showing like Fig. 5, and simultaneously, crawl device can guarantee the right alignment of himself and testing product when on leading screw, moving; The crawl device that employing has a sensor moves along leading screw and detects, and has improved the even running of pick-up unit, and testing process is not influenced by light.Reduced the interference that produces because of vibrations in the signal acquisition process, avoided in the testing process because of the phenomenon of discontinuity to the part scratch.
Claims (2)
1. the pick-up unit of tapering deep hole machining more than a kind is characterized in that: comprise guidepost, leading screw, fixed mechanism, crawl device, actuating unit, efferent duct, data handling system,
Said fixed mechanism comprises orienting sleeve, sleeve, big bearing, set collar, guidepost pin, fixing pin, base; Orienting sleeve is fixedly mounted on the base; Set collar is fixed in the orienting sleeve with big bearing transition fit, and the sleeve end face that is fixed in the orienting sleeve is relative with the end face of big bearing, and orienting sleeve is through fixing pin and sleeve location; Big bearing is stuck between orienting sleeve and the sleeve, and orienting sleeve is connected through screw with sleeve; Crawl device is connected in and is positioned at sleeve on the leading screw; Leading screw passes orienting sleeve, sleeve, big bearing, set collar and crawl device successively; Guidepost is pinned through guidepost and is fixedly mounted on the leading section of leading screw, and actuating unit is connected in the rearward end of leading screw; One end of efferent duct is fixedly mounted on the crawl device, and the other end is connected with actuating unit; Crawl device moves forward and backward and image data along leading screw, is transferred to data handling system through data line;
Said crawl device is made up of crawl device main body, front end end cover, rear end cap, inductance displacement sensor, fixing rack for sensor, sensor clamping device, grating sensor, grating displacement sensor fixed mount; Said sensor clamping device is " H " shape; Intermediate lateral has tapped through hole; Inductance displacement sensor and grating sensor are separately fixed on the sensor clamping device, two sensor clamping devices are separately fixed on fixing rack for sensor and the grating displacement sensor fixed mount; Fixing rack for sensor and grating displacement sensor fixed mount are installed in crawl device main body both sides, and front end end cover, rear end cap are connected through end cap gib screw and crawl device main body;
Said actuating unit comprises housing, servomotor, bearing race snap, bearing, driving gear, follower gear, hexagonal nut, gear and rocking bar composition; Said bearing race snap is two; Coaxial respectively being fixedly mounted on the housing biside plate; Bearing fixing is on bearing race snap, and leading screw passes bearing race snap, and follower gear and hexagonal nut are connected on the leading screw between the two bearings; Servomotor is installed in the inboard of housing, and servomotor output shaft and driving gear are connected, and parallel with leading screw; Rocking bar is installed on the housing, rocking bar end mounting teeth wheel and driving gear engagement in the housing; Actuating unit is controlled by data handling system.
2. many taperings deep hole machining pick-up unit according to claim 1, it is characterized in that: said data handling system is sent signal, and actuating unit receives control signal; The driven by servomotor actuating unit moves; Actuating unit promotes crawl device slip reach through efferent duct when mobile, simultaneously, data handling system is sent acquired signal; Inductance displacement sensor and grating sensor acquired signal, and signal transmitted back data handling system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220200987 CN202614203U (en) | 2012-05-07 | 2012-05-07 | Multi-taper deep-hole machining detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220200987 CN202614203U (en) | 2012-05-07 | 2012-05-07 | Multi-taper deep-hole machining detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679855A (en) * | 2012-05-07 | 2012-09-19 | 西北工业大学 | Multi-taper deep hole processing detecting device |
| CN106568407A (en) * | 2016-11-08 | 2017-04-19 | 上海宇航系统工程研究所 | Staggered hole detection mechanism |
-
2012
- 2012-05-07 CN CN 201220200987 patent/CN202614203U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679855A (en) * | 2012-05-07 | 2012-09-19 | 西北工业大学 | Multi-taper deep hole processing detecting device |
| CN102679855B (en) * | 2012-05-07 | 2014-07-16 | 西北工业大学 | Multi-taper deep hole processing detecting device |
| CN106568407A (en) * | 2016-11-08 | 2017-04-19 | 上海宇航系统工程研究所 | Staggered hole detection mechanism |
| CN106568407B (en) * | 2016-11-08 | 2019-02-01 | 上海宇航系统工程研究所 | A kind of hole testing agency that interlocks |
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| C14 | Grant of patent or utility model | ||
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20140507 |