CN204851856U - Numerically control grinder hydraulic system reliability test device - Google Patents
Numerically control grinder hydraulic system reliability test device Download PDFInfo
- Publication number
- CN204851856U CN204851856U CN201520529323.XU CN201520529323U CN204851856U CN 204851856 U CN204851856 U CN 204851856U CN 201520529323 U CN201520529323 U CN 201520529323U CN 204851856 U CN204851856 U CN 204851856U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- pressure
- control
- headstock
- grinding wheel
- 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
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model provides a numerically control grinder hydraulic system reliability test device, the rotation of mechanical control system major control headstock main shaft, grinding wheel spindle's rotation and radial hydraulic feed, main shaft hydraulic system's main effect is the suspension of controlling grinding wheel spindle, hydraulic pressure and the radial hydraulic of tailstock hydraulic system major control feed, the feeding of axial hydraulic upset and tailstock, intercoordination work between each components and parts of electric control system major control. The measuring data and the fault data of hydraulic system operation in -process are preserved to the operating mode of the various differences of this test device simulation numerically control grinder, programmable logic controller control touch -sensitive screen, through these data calculate, the reliability level of the volume of appraising numerically control grinder appearance.
Description
Technical field
The utility model relates to a kind of testing apparatus being used for evaluating numerically control grinder Hydraulic System Reliability, belongs to Precision Manufacturing Technology and field of industrial automation control.
Background technique
High-grade, digitally controlled machine tools are high-tech set " machine tool " and " machine of manufacturing machine ", be realize one of the industrialization of the country and modern basic manufacturing equipment, the research and development ability of numerical control machine tool and technical merit have become the important symbol of measurement National Industrial modernization level and overall national strength.Current China has grasped the Some Key Technologies of numerical control machine tool, defines the numerical control machine tool industry of oneself, but in the advanced CNC, and still there is huge gap abroad.Numerically control grinder is a kind of lathe utilizing grinding tool to process workpiece, is widely used in machining manufacturing industry.Numerically control grinder is generally last procedure of precision parts processing, and the efficiency of the precision that the quality of its performance and the height of reliability are processed part and processing has important impact.
Hydraulic system is a kind of important subsystem of numerically control grinder, the driving etc. of the fast forwarding and fast rewinding of its major control main shaft wheel stand, the advance and retreat of tailstock center, grinding machine lubrication and hydraulic pressure.Its chife failure models is system has impact without when pressure or low, noise or vibration, system works, system is creeped, high oil temperature, executive component speed are low.Therefore, the height of Hydraulic System Reliability has a direct impact part processing precision, and this system, once the grinding machine that breaks down cannot ensure precision, even cannot normally work, has a strong impact on manufacturing efficiency.
In order to improve the reliability of hydraulic system, must expose the fault of this system and the actual life of each component in advance, change the component at once damaged in time, therefore reliability trial is absolutely necessary.In order to improve the reliability of hydraulic system, need the component selecting reliability high, and want the reliability level understanding component, must reliability trial be carried out.The different operating modes of hydraulic system in test simulation actual moving process, the fault that the parameters in measuring system running and record occur, for the reliability promoting numerically control grinder hydraulic system provides reliability data.
Because numerically control grinder hydraulic system major part is all purchased or outsourced parts, reliability trial must be carried out with the reliability of detection system when purchasing.At present the reliability trial of hydraulic system is mainly carried out under no-load condition, cause buying and designer correctly the reliability of control hydraulic system, cannot thus affect the reliability of numerically control grinder complete machine.
Summary of the invention
The purpose of this utility model is to provide a kind of numerically control grinder Hydraulic System Reliability testing apparatus, and this device comprises Machinery Control System, main axle hydraulic pressure system, hydraulic pressure and tail-stock hydraulic-pressure system, electric control system.This testing apparatus can simulate the different operating modes of numerically control grinder hydraulic system, survey data in the real-time food preservation test process of Controlled by Programmable Controller touch screen and the fault of appearance, to calculate further subsequently through these data and to evaluate the reliability of numerically control grinder hydraulic system.
Machinery Control System controls the feeding of the rotation of headstock spindle, the rotation of grinding wheel spindle and hydraulic radial; The suspension of main axle hydraulic pressure Systematical control grinding wheel spindle; The feeding of hydraulic pressure and tail-stock hydraulic-pressure Systematical control hydraulic radial, the upset of axial hydraulic and the feeding of tailstock; Electric control system controls mutual co-ordination between each components and parts.
Machinery Control System comprises the headstock, tailstock, grinding wheel spindle, hydraulic part; Headstock part is connected with the gear b (3) on headstock spindle (4) by gear a (2) by headstock variable-frequency motor (1), and headstock spindle (4) is supported by bearing (5); Tailstock part is made up of top b (19) and tailstock (20); Workpiece (7) realizes rotating under the drive of top a (6) with top b (19); Grinding wheel spindle drives grinding wheel spindle (9) thus the grinding of drive emery wheel (8) realization to workpiece (7) by main shaft variable-frequency motor (13) by Timing Belt a (12), Timing Belt b (14) and Timing Belt c (16); Hydraulic radial is surveyed son (28), hydraulic arm (27), oil hydraulic cylinder d (26) and slide block (31) by diamond and is formed, hydraulic servo motor (22) drives leading screw (25) by coupling (23) thus band movable slider (31) motion, slide block (31) realizes motion along the z-axis direction under the guiding of guide rod (32), hydraulic servo motor (22), coupling (23), leading screw (25), hydraulic radial are fixed by dunnage (24), and dunnage (24) is fixed on base (33).
Main axle hydraulic pressure system drives the suspension of grinding wheel spindle by oil hydraulic cylinder a (34), the commutation function of oil hydraulic cylinder a (34) is realized by three position four-way directional control valve a (35), fluid in fuel tank a (38) is pumped into three position four-way directional control valve a (35) through filter a (39) by oil hydraulic pump a (40), and relief valve a (37) is arranged on the control of outlet realization to hydraulic fluid pressure of oil hydraulic pump a (40); Pressure meter a (41) is located on the oil circuit between oil hydraulic pump a (40) and three position four-way directional control valve a (35), whether pressure meter a (41) conforms to the setting pressure of relief valve a (37) in order to the pressure measuring oil hydraulic pump a (40) water outlet, throttle valve a (36) is arranged on the outlet port of three position four-way directional control valve a (35), in order to the oil pressure of regulator solution cylinder pressure a (34).
Hydraulic pressure and tail-stock hydraulic-pressure system are driven by oil hydraulic cylinder b (42) and oil hydraulic cylinder c (43) respectively, and oil hydraulic cylinder b (42) drives hydraulic arm (27) to realize radial feed on slide block (31); Oil hydraulic cylinder c (43) drives tailstock (20) by top (19), workpiece (7) is clamped or unclamped.
Electric control system is respectively by servo driver (62) by programmable controller (68), frequency variator a (63), frequency variator b (69) hydraulic control actuating motor (22), main shaft variable-frequency motor (13), the operation of headstock variable-frequency motor (1), programmable controller (68) is connected to A.C. contactor simultaneously, ac contactor contact, green indicating lamp (57), red led (58), touch screen (59), vibration transducer (18), temperature transducer (15), pressure transducer (10), limitation travel switch a (21), limitation travel switch b (30), emergency stop push button (64), reset button (65), stop button (66) and start button (67).
The beneficial effect that the utility model has is:
1, testing apparatus described in the utility model can simulate the operating conditions of numerically control grinder hydraulic system, the fault data of record numerically control grinder hydraulic pressure, thus calculates and evaluate the reliability level of numerically control grinder hydraulic pressure.
2, testing apparatus described in the utility model can carry out reliability trial at various pressures according to numerically control grinder, by Controlled by Programmable Controller relief valve, thus the pressure of hydraulic control cylinder.Temperature transducer, pressure transducer and vibration transducer real-time data collection, touch screen records survey data automatically, and when breaking down automatic record trouble type and fault time.
3, the utility model is applicable to the reliability trial of numerically control grinder hydraulic system, is used for the reliability level of evaluating liquid pressing system, has good application prospect.
Accompanying drawing explanation
Fig. 1 is the structural drawing of numerically control grinder Hydraulic System Reliability testing apparatus;
Fig. 2 is the radial meter structural drawing of numerically control grinder Hydraulic System Reliability testing apparatus;
Fig. 3 is the axial vector instrument structural drawing of numerically control grinder Hydraulic System Reliability testing apparatus;
Fig. 4 is the grinding wheel spindle system hydraulic schematic diagram of numerically control grinder Hydraulic System Reliability testing apparatus;
Fig. 5 is amount instrument and the tailstock system hydraulic schematic diagram of numerically control grinder Hydraulic System Reliability testing apparatus;
Fig. 6 is the electric control theory figure of numerically control grinder Hydraulic System Reliability testing apparatus;
Fig. 7 is the amount instrument measuring frequency figure of numerically control grinder Hydraulic System Reliability testing apparatus;
In figure: 1. headstock variable-frequency motor, 2. gear a, 3. gear b, 4. headstock spindle, 5. bearing a, 6. top a, 7. workpiece, 8. emery wheel, 9. grinding wheel spindle, 10. pressure transducer, 11. bearing b, 12. Timing Belt a, 13. main shaft variable-frequency motors, 14. Timing Belt b, 15. temperature transducers, 16. Timing Belt c, 17. axial hydraulic, 18. vibration transducers, 19. top b, 20. tailstocks, 21. limitation travel switch a, 22. hydraulic servo motors, 23. coupling, 24. dunnages, 25. leading screws, 26. oil hydraulic cylinder d, 27. hydraulic arms, 28. diamonds survey son, 29. measuring jaws, 30. limitation travel switch b, 31. slide blocks, 32. guide rods, 33. bases, 34. oil hydraulic cylinder a, 35. three position four-way directional control valve a, 36. throttle valve a, 37. relief valve a, 38. fuel tank a, 39. filter a, 40. oil hydraulic pump a, 41. pressure meter a, 42. oil hydraulic cylinder b, 43. oil hydraulic cylinder c, 44. three position four-way directional control valve b, 45. throttle valve b, 46. fuel tank b, 47. filter b, 48. oil hydraulic pump b, 49. pressure meter b, 50. three position four-way directional control valve c, 51. throttle valve c, 52. relief valve b, 53. ac contactor contact a, 54. A.C. contactor a, 55. A.C. contactor b, 56. A.C. contactor c, 57. green indicating lamps, 58. red leds, 59. touch screens, 60. ac contactor contact b, 61. ac contactor contact c, 62. servo drivers, 63. frequency variator a, 64. emergency stop push buttons, 65. reset button, 66. stop buttons, 67. start buttons, 68. programmable controllers, 69. frequency variator b.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, headstock variable-frequency motor (1) to be meshed with the gear b (3) on headstock spindle (4) by gear a (2) thus to drive headstock spindle (4) to rotate, and workpiece (7) rotates under the drive of top a (6) and top b (19); Main shaft variable-frequency motor (13) drives grinding wheel spindle (9) to rotate by Timing Belt (12), Timing Belt (14) and Timing Belt (16), thus drives the grinding of emery wheel (8) realization to workpiece (7); Hydraulic radial is surveyed son (28), hydraulic arm (27), oil hydraulic cylinder d (26) and slide block (31) by diamond and is formed, leading screw (25) is driven thus band movable slider (31) motion by coupling (22) by hydraulic servo motor (22), slide block (31) realizes motion along the z-axis direction under the guiding of guide rod (32), hydraulic servo motor (22), coupling (23), leading screw (25), hydraulic radial are fixed by dunnage (24), and dunnage (24) is fixed on base (33); Fig. 2 is radial meter structural drawing; Fig. 3 is axial vector instrument structural drawing.
As shown in Figure 4, main axle hydraulic pressure system drives the suspension of grinding wheel spindle by oil hydraulic cylinder a (34), the commutation function of oil hydraulic cylinder (34) is realized by three position four-way directional control valve a (35), fluid in fuel tank a (38) is pumped into three position four-way directional control valve a (35) through filter a (39) by oil hydraulic pump a (40), relief valve a (37) is arranged on the control of outlet realization to hydraulic fluid pressure of oil hydraulic pump a (40), whether pressure meter a (41) conforms to the setting pressure of relief valve in order to the pressure measuring oil hydraulic pump water outlet, throttle valve a (36) is arranged on the outlet port of three position four-way directional control valve a (35), in order to the oil pressure of regulator solution cylinder pressure a (34).
As shown in Figure 5, hydraulic pressure and tail-stock hydraulic-pressure system are driven by oil hydraulic cylinder b (42) and oil hydraulic cylinder c (43) respectively, and oil hydraulic cylinder b (42) drives hydraulic arm (27) to realize radial feed on slide block (31); Oil hydraulic cylinder c (43) drives tailstock (20) by top (19), workpiece (7) is clamped or unclamped.
As shown in Figure 6, whole testing apparatus is controlled by programmable controller (68), programmable controller (68) is rotated by servo driver (62) drive volume instrument actuating motor (22), programmable controller (68) drives headstock variable-frequency motor (1) and main shaft variable-frequency motor (13) to rotate respectively by frequency variator b (69) and frequency variator a (63), grinding wheel spindle (9) is provided with pressure transducer (10), temperature transducer (15) and vibration transducer (18) are respectively by the pressure in grinding wheel spindle running, temperature, wait reference record with vibration and be kept on touch screen (59), programmable controller (68) is by emergency stop push button (64), reset button (65), the various situations that the domination number controlled grinders such as stop button (66) and start button (67) occur in process of the test.Once hydraulic system breaks down, programmable controller (68) control immediately headstock variable-frequency motor (1), main shaft variable-frequency motor (13), amount instrument actuating motor (22) shut down, red led (58) glimmers, simultaneously, programmable controller (68) sends trouble signal to touch screen (59), and touch screen (59) is preserved and shown fault type, time of failure.After off-test, the fault message in statistics touch screen (59), in order to calculate, to assess the reliability level of numerically control grinder hydraulic system.
Press start button (67), programmable controller (68) controls A.C. contactor a (54) and obtains electric, and ac contactor contact a (53) connects, and frequency variator b (69) is energized.Programmable controller (68) sends turn signal to frequency variator b (69), and frequency variator b (69) controls headstock variable-frequency motor (1) with fixing rotation speed operation.Programmable controller (68) controls A.C. contactor b (55) and obtains electric, and ac contactor contact b (60) connects, and frequency variator a (63) is energized; Programmable controller (68) sends signal to frequency variator a (63), and frequency variator a (63) controls main shaft variable-frequency motor (13) and rotates, thus drives emery wheel (8) to rotate; Programmable controller (68) sends signal to oil hydraulic cylinder d (26), and oil hydraulic cylinder d (26) throughput instrument arm (27), measuring jaw (29) drive diamond to survey son (28) and measure with the frequency n1 in Fig. 7, n2, n3, n4, n5.In the process, the data measured of touch screen (59) real time record pressure transducer (10), temperature transducer (15) and vibration transducer (18).
Hydraulic system once numerically control grinder in running occurs that system is without pressure or low, noise or vibration, the fault such as system works has impact, system is creeped, high oil temperature, executive component speed are low, programmable controller (68) control immediately headstock variable-frequency motor (1), main shaft variable-frequency motor (13), amount instrument actuating motor (22) shut down, programmable controller (47) sends signal to touch screen (59) simultaneously, the time of touch screen (59) record trouble and type.Loop around test next time after maintenance terminates.After off-test, the data in statistics touch screen (59), thus the reliability of calculating and evaluation quantity instrument system.
In running, press stop button (66), programmable controller (68) control headstock variable-frequency motor (1), main shaft variable-frequency motor (13), amount instrument actuating motor (22) slow down and shut down; In running, press emergency stop push button (64), programmable controller (68) control headstock variable-frequency motor (1), main shaft variable-frequency motor (13), amount instrument actuating motor (22) shut down immediately.After urgency is removed, can by reset button (65).
The above embodiment is used for explaining and the utility model is described, instead of limits the utility model.In the protection domain of design philosophy of the present utility model and claim, any amendment or change are made to the utility model, protection domain of the present utility model all should be considered as.
Claims (1)
1. a numerically control grinder Hydraulic System Reliability testing apparatus, is characterized in that: this device comprises Machinery Control System, main axle hydraulic pressure system, hydraulic pressure and tail-stock hydraulic-pressure system, electric control system;
Machinery Control System controls the feeding of the rotation of headstock spindle, the rotation of grinding wheel spindle and hydraulic radial; The suspension of main axle hydraulic pressure Systematical control grinding wheel spindle; The feeding of hydraulic pressure and tail-stock hydraulic-pressure Systematical control hydraulic radial, the upset of axial hydraulic and the feeding of tailstock; Electric control system controls mutual co-ordination between each components and parts;
Machinery Control System comprises the headstock, tailstock, grinding wheel spindle, hydraulic part; Headstock part is connected with the gear b (3) on headstock spindle (4) by gear a (2) by headstock variable-frequency motor (1), and headstock spindle (4) is supported by bearing (5); Tailstock part is made up of top b (19) and tailstock (20); Workpiece (7) realizes rotating under the drive of top a (6) with top b (19); Grinding wheel spindle drives grinding wheel spindle (9) thus the grinding of drive emery wheel (8) realization to workpiece (7) by main shaft variable-frequency motor (13) by Timing Belt a (12), Timing Belt b (14) and Timing Belt c (16); Hydraulic radial is surveyed son (28), hydraulic arm (27), oil hydraulic cylinder d (26) and slide block (31) by diamond and is formed, hydraulic servo motor (22) drives leading screw (25) by coupling (23) thus band movable slider (31) motion, slide block (31) realizes motion along the z-axis direction under the guiding of guide rod (32), hydraulic servo motor (22), coupling (23), leading screw (25), hydraulic radial are fixed by dunnage (24), and dunnage (24) is fixed on base (33);
Main axle hydraulic pressure system drives the suspension of grinding wheel spindle by oil hydraulic cylinder a (34), the commutation function of oil hydraulic cylinder a (34) is realized by three position four-way directional control valve a (35), fluid in fuel tank a (38) is pumped into three position four-way directional control valve a (35) through filter a (39) by oil hydraulic pump a (40), and relief valve a (37) is arranged on the control of outlet realization to hydraulic fluid pressure of oil hydraulic pump a (40); Pressure meter a (41) is located on the oil circuit between oil hydraulic pump a (40) and three position four-way directional control valve a (35), and throttle valve a (36) is arranged on the outlet port of three position four-way directional control valve a (35);
Hydraulic pressure and tail-stock hydraulic-pressure system are driven by oil hydraulic cylinder b (42) and oil hydraulic cylinder c (43) respectively, and oil hydraulic cylinder b (42) drives hydraulic arm (27) to realize radial feed on slide block (31); Oil hydraulic cylinder c (43) drives tailstock (20) by top (19), workpiece (7) is clamped or unclamped;
Electric control system is respectively by servo driver (62) by programmable controller (68), frequency variator a (63), frequency variator b (69) hydraulic control actuating motor (22), main shaft variable-frequency motor (13), the operation of headstock variable-frequency motor (1), programmable controller (68) is connected to A.C. contactor simultaneously, ac contactor contact, green indicating lamp (57), red led (58), touch screen (59), vibration transducer (18), temperature transducer (15), pressure transducer (10), limitation travel switch a (21), limitation travel switch b (30), emergency stop push button (64), reset button (65), stop button (66) and start button (67).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529323.XU CN204851856U (en) | 2015-07-20 | 2015-07-20 | Numerically control grinder hydraulic system reliability test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529323.XU CN204851856U (en) | 2015-07-20 | 2015-07-20 | Numerically control grinder hydraulic system reliability test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851856U true CN204851856U (en) | 2015-12-09 |
Family
ID=54742409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520529323.XU Active CN204851856U (en) | 2015-07-20 | 2015-07-20 | Numerically control grinder hydraulic system reliability test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204851856U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989703A (en) * | 2015-07-20 | 2015-10-21 | 北京工业大学 | Testing device for reliability of numerical control grinder hydraulic system |
| CN106826521A (en) * | 2017-03-17 | 2017-06-13 | 东莞智富五金制品有限公司 | A kind of high accuracy polishing method and automatic Regulation high accuracy polishing machine |
-
2015
- 2015-07-20 CN CN201520529323.XU patent/CN204851856U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989703A (en) * | 2015-07-20 | 2015-10-21 | 北京工业大学 | Testing device for reliability of numerical control grinder hydraulic system |
| CN106826521A (en) * | 2017-03-17 | 2017-06-13 | 东莞智富五金制品有限公司 | A kind of high accuracy polishing method and automatic Regulation high accuracy polishing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103481123B (en) | A kind of wire drawing die automatic ultrasonic shaping processing machine and processing method | |
| CN203266131U (en) | Working platform bringing convenience to workpiece adjustment and corresponding drilling and milling equipment convenient to control | |
| CN104634688B (en) | Tool in Cutting and grinding tester | |
| CN106217257B (en) | A kind of measurement of grinding machine, method for grinding | |
| CN102862239B (en) | Silicon rod rotates the cutting Digit Control Machine Tool that floats | |
| CN105563246A (en) | Numerical-control deep hole grinder | |
| CN204736026U (en) | Numerical control lathe with real -time detection function | |
| CN103235605B (en) | A kind of numerical control rotating platform testing table load Loading Control System of simulated condition and control method | |
| CN105437032A (en) | Ultrahigh-precision numerically-controlled non-circular curved surface composite grinder | |
| CN103743567A (en) | Reliability test device for grinding wheel main shaft of numerical control grinding machine | |
| CN205870293U (en) | Grinding machine with on line measurement function | |
| CN101767300B (en) | Form grinding machine with Lift matched with grinding for self-detection high-precision fuel injector and match grinding method | |
| CN201559094U (en) | Lift match-grinding forming grinding machine of self-detection high-precision oil injector | |
| CN204851856U (en) | Numerically control grinder hydraulic system reliability test device | |
| CN110328567A (en) | A kind of big aspect ratio hole measurement grinding integral processing method | |
| CN106017959A (en) | Lead screw guide rail reliability testing stand based on electro-hydraulic servo loading | |
| CN105690183A (en) | Device for monitoring abnormal working state of numerical control milling cutter and monitoring method of device | |
| CN106112713A (en) | Numerical control deep hole internal grinder measures monitoring processing integrated apparatus and control system | |
| CN104989703A (en) | Testing device for reliability of numerical control grinder hydraulic system | |
| CN206020024U (en) | Lead screw guide rails reliability test bench based on electro-hydraulic loading | |
| CN205342002U (en) | Deep -hole drilling and boring machine cuts adaptive control system | |
| CN105290926A (en) | Blade intelligent grinding flexible manufacturing system | |
| CN103759960B (en) | A kind of numerically control grinder headstock reliability test | |
| CN211805341U (en) | Automatic workpiece measuring device of grinding machine | |
| CN105115743A (en) | Numerical control external cylindrical grinding machine reliability test comprehensive loading device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |