CN202382931U - Horizontal main shaft torque simulation loading device for reliability test of machining center - Google Patents
Horizontal main shaft torque simulation loading device for reliability test of machining center Download PDFInfo
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- CN202382931U CN202382931U CN2011205345880U CN201120534588U CN202382931U CN 202382931 U CN202382931 U CN 202382931U CN 2011205345880 U CN2011205345880 U CN 2011205345880U CN 201120534588 U CN201120534588 U CN 201120534588U CN 202382931 U CN202382931 U CN 202382931U
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- machining center
- shaft torque
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Abstract
The utility model discloses a horizontal main shaft torque simulation loading device for the reliability test of a machining center, and belongs to the technical field of reliability accelerated test of numerical control machines. The device comprises a magnetic powder brake which is connected with a speed reducer through a shaft coupling. A box body is arranged outside the shaft coupling. A bracket is arranged on the box body. A probe is horizontally arranged on the bracket. A connecting groove is reserved at the shaft end of the speed reducer, and is jointed with a connecting key. A spring is sleeved on the connecting key, and is arranged on a shank sleeve through a positioning bolt and a positioning groove. A positioning groove is reserved on the shank sleeve. The positioning bolt is arranged on the connecting key. A shank is arranged at the front end of the shank sleeve. The spring, the shank sleeve and the shank are positioned on the same horizontal line. The problem about the simulation loading of main shaft torque in the loading of a main shaft of the machining center under an actual working condition in the reliability accelerated test of the machining center is solved. The device has the characteristics of convenience for operation, high actual working condition simulation degree and the like.
Description
Technical field:
The utility model relates to the main-shaft torque dynamic load simulation loading test unit in a kind of numerically-controlled machine fail-test, belongs to numerically-controlled machine reliability accelerated test technical field.
Background technology:
The reliability of numerically-controlled machine is a critical index of numerically-controlled machine product quality.Carrying out numerically-controlled machine reliability testing and evaluation, promote the reliability level of domestic numerical control equipment, is the most important thing of the work of numerically-controlled machine reliability consideration instantly.And machining center fail-test main-shaft torque dynamic load analog loading device; For carrying out the overall test of numerically-controlled machine reliability, promote numerically-controlled machine reliability level to improve and a kind of machining center fail-test main-shaft torque load simulation charger of utility model just.
Numerically-controlled machine being carried out aspect reliability testing and the evaluation, generally is to adopt the field statistics method.Adopt the sampling period of field statistics method existence long in order to remedy the test and appraisal of today's numerical control lathe reliability, receive the different influences of environment inefficacy and fault data accuracy with operating personnel's condition; And difficulty provides deficiencies such as reliability design desired data, need carry out the numerically-controlled machine accelerated test Study on Technology based on testing laboratory.
Machine tool chief axis is one of nucleus movement parts of numerically-controlled machine, and the reliability index of spindle operation is occupied very big proportion in the reliability index of numerically-controlled machine complete machine is distributed.For this reason; In numerically-controlled machine fail-test technology; Developing a kind of main shaft of numerical control machine tool moment of torsion dynamic load charger that can the main shaft of simulated machine tool in the typical condition process receives the moment of torsion dynamic load, is one of research content of numerically-controlled machine reliability accelerated test platform construction work.Developing a kind of main shaft of numerical control machine tool moment of torsion dynamic load analog loading device, is to carry out one of important technical in numerically-controlled machine reliability accelerated test and the appraisal.
Existing main shaft of numerical control machine tool loads measuring technology and proving installation; Only be satisfied with and load main shaft of numerical control machine tool is static; Be that machine tool chief axis stops the loading under the situation, this fictitious load loading test device is a kind of static load; Dynamic load can't be carried out, the suffered dynamic load of main shaft in the actual processing of the lathe duty can not be simulated.
The experiment loading unit of the utility model is based on the reliability testing technology and the method for evaluating reliability of engineering test method; Utility model the charger of a kind of machining center fail-test main-shaft torque dynamic load simulation; Be used to carry out machining center reliability accelerated test; Can realize main shaft of numerical control machine tool dynamic load simulation loading, quick, accurate and quantitative reliability evaluation.
Thereby prior art does not also have a kind of machining center reliability main shaft load simulation charger at present.
The utility model content:
The purpose of the utility model is to provide a kind of charger of horizontal Machining centers reliability main-shaft torque dynamic load simulation.
The utility model provides a kind of horizontal Machining centers fail-test main-shaft torque analog loading device (see figure 1); It is characterized in that: magnetic powder brake 1 is through shaft coupling 3 connection reducers 10; Outside shaft coupling 3, be provided with casing 2, support 5 is set on the casing 2,4 levels of popping one's head in are installed on the support 5;
Have connection slot 9 on the axle head of speed reduction unit 10, linking bond 8 docks with connection slot 9; Spring 7 is enclosed within on the linking bond 8, and spring 7 is contained on the handle of a knife sleeve 15 through pilot pin 11 and locating slot 6, has locating slot 6 on the handle of a knife sleeve 15, and linking bond 8 is provided with pilot pin 11, and handle of a knife is contained in the front end of handle of a knife sleeve 15; Said spring, handle of a knife sleeve, handle of a knife are on same horizontal line.
Said spring 7 is enclosed within on the linking bond 8, is contained in handle of a knife sleeve 15 through pilot pin 11 and locating slot 6, forms moment of torsion load test simulation cutter through handle of a knife 16, tests on the pre-installed work in-process heart main shaft.
Port at handle of a knife sleeve 15 is provided with door 12, and effect is to block spring 7, and prevents that linking bond 8 from skidding off.
The main-shaft torque charger of the described horizontal Machining centers of the utility model is realized through following technical scheme: the magnetic powder brake 1, casing 2, shaft coupling 3, probe 4, support 5, locating slot 6, spring 7, linking bond 8, connection slot 9, speed reduction unit 10, pilot pin 11, door 12, bearing gib screw 13, hold-down support 14, handle of a knife sleeve 15, the handle of a knife 16 that comprise Fig. 1.
Said moment of torsion charger is installed on the machining center worktable through bearing gib screw 13 and hold-down support 14.
Said spring 7 is enclosed within on the linking bond 8, is contained in handle of a knife sleeve 15 through pilot pin 11 and locating slot 6, forms moment of torsion load test simulation cutter, is contained on the machining center main shaft through handle of a knife 16 before the test.During test, spring 7 and pilot pin 11 can realize that linking bond 8 docks with connection slot 9 automatically.
Said magnetic powder brake 1 connects through casing 2, shaft coupling 3 and speed reduction unit 10, the simulation that the moment of torsion that can realize the machining center main shaft is run up loads.
Said probe 4 is installed in the monitoring that can realize the speed of mainshaft on the support 5.
The utility model is to adapt to the test demand that the moment of torsion of the main shaft dynamic load in the horizontal Machining centers reliability accelerated test loads.Magnetic powder brake, shaft coupling and speed reduction unit can solve by regulation and carry out the main-shaft torque simulation loading.
The utility model has solved in the machining center reliability accelerated test, how to simulate the simulation loading difficult problem of the main-shaft torque of machining center main shaft in the loading of actual condition.The machining center charger of the utility model has and is convenient to operate, simulate the high characteristics of actual condition fidelity.The utility model can directly apply to carries out numerically-controlled machine reliability accelerated test, promotes numerically-controlled machine reliability level to improve, and the utlity model has remarkable economic efficiency.
Description of drawings:
Fig. 1 horizontal Machining centers main-shaft torque dynamic load analog loading device synoptic diagram.
Wherein 1, magnetic powder brake; 2, casing; 3, shaft coupling; 4, probe; 5, support; 6, locating slot; 7, spring; 8, linking bond; 9, connection slot; 10, speed reduction unit; 11, pilot pin; 12, door; 13, bearing gib screw; 14, hold-down support; 15, handle of a knife sleeve; 16, handle of a knife
Embodiment:
Specify the utility model content below in conjunction with accompanying drawing and embodiment.In embodiment, the machining center main shaft is carried out the simulation loading test.(see figure 1)
A. moment of torsion load test simulation cutter is put into Tool Magazine in Machining Centers.
B. charger is placed on the worktable of tested machining center, locking bearing gib screw 13 is fastened on charger on the machining center worktable.
C. magnetic powder brake 1 is set to nominal torque, and travelling table makes speed reduction unit delivery outlet center align with the alignment of shafts.
D. the machining center mechanical arm will be tested with the simulation cutter and pass through handle of a knife 16 clampings to main shaft, and main spindle box moves near the moment of torsion delivery, and step-down speed moves to delivery 5mm place; Crawl Z axle, the moving main shaft of dish make simulation cutter linking bond 8 align with connection slot 9, after both are combined; System log (SYSLOG) following this moment of Z axle run-length data is put point as a reference with this, main shaft gyration; Main shaft directed (this moment, main shaft stopped operating) then, main spindle box is raised to the tool changing position.
E. after charger had been adjusted, main spindle box moved near the moment of torsion output connection slot, moves to delivery 5mm place, main shaft gyration, and probe 4 is measured main shaft no-load speed.Main shaft is directed, and main spindle box moves to move down after the RP again and makes handle of a knife spring 7 compression 3-5mm, and main shaft gyration (rotating speed 300r/min) carries out corresponding measurement, and after the 4 collecting test data of popping one's head in, main shaft is directed, and main spindle box moves to tool change position.
The described main-shaft torque dynamic load of the utility model analog loading device; Can realize dynamic load simulation loading test to the moment of torsion of horizontal Machining centers; Charger is easy and simple to handle; Holes probe is adjustable, and good reproducibility is for the dynamic similation of carrying out the main-shaft torque in the horizontal Machining centers reliability accelerated test loads a kind of new means that provide.
Claims (3)
1. horizontal Machining centers fail-test main-shaft torque analog loading device, it is characterized in that: comprise that magnetic powder brake passes through the shaft coupling connection reducer, outside shaft coupling, be provided with casing, support is set on the casing, the probe level is rack-mount;
Have connection slot on the axle head of speed reduction unit, linking bond docks with connection slot; Spring housing is on linking bond, and spring is contained on the handle of a knife sleeve through pilot pin and locating slot, has locating slot on the handle of a knife sleeve, and linking bond is provided with pilot pin, and handle of a knife is contained in the front end of handle of a knife sleeve; Said spring, handle of a knife sleeve, handle of a knife are on same horizontal line.
2. a kind of horizontal Machining centers fail-test main-shaft torque analog loading device according to claim 1 is characterized in that: be provided with at the port of handle of a knife sleeve and block spring, and prevent the door that linking bond skids off.
3. a kind of horizontal Machining centers fail-test main-shaft torque analog loading device according to claim 1 is characterized in that:
Said moment of torsion charger is installed on the machining center worktable through bearing gib screw and hold-down support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205345880U CN202382931U (en) | 2011-12-19 | 2011-12-19 | Horizontal main shaft torque simulation loading device for reliability test of machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205345880U CN202382931U (en) | 2011-12-19 | 2011-12-19 | Horizontal main shaft torque simulation loading device for reliability test of machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202382931U true CN202382931U (en) | 2012-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205345880U Expired - Lifetime CN202382931U (en) | 2011-12-19 | 2011-12-19 | Horizontal main shaft torque simulation loading device for reliability test of machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202382931U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308338A (en) * | 2013-05-31 | 2013-09-18 | 北京航空航天大学 | Machine tool loading device and machine tool loading test method based on three-freedom-degree parallel mechanism |
| CN103344449A (en) * | 2013-07-09 | 2013-10-09 | 北京航空航天大学 | Single degree of freedom numerically controlled machine tool loading device and loading test method |
| CN103471845A (en) * | 2013-09-04 | 2013-12-25 | 青海大学 | Numerical control machine tool main shaft loading device |
| CN103722373A (en) * | 2013-12-28 | 2014-04-16 | 沈阳机床(集团)有限责任公司 | Mechanical device for operation posture simulation of milling spindle unit |
| CN105716845A (en) * | 2016-02-01 | 2016-06-29 | 吉林大学 | Typical condition simulated loading type power knife rest detecting monitoring method and device |
-
2011
- 2011-12-19 CN CN2011205345880U patent/CN202382931U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308338A (en) * | 2013-05-31 | 2013-09-18 | 北京航空航天大学 | Machine tool loading device and machine tool loading test method based on three-freedom-degree parallel mechanism |
| CN103344449A (en) * | 2013-07-09 | 2013-10-09 | 北京航空航天大学 | Single degree of freedom numerically controlled machine tool loading device and loading test method |
| CN103344449B (en) * | 2013-07-09 | 2015-09-02 | 北京航空航天大学 | A kind of single-degree-of-freedom numerically-controlled machine charger and load test method |
| CN103471845A (en) * | 2013-09-04 | 2013-12-25 | 青海大学 | Numerical control machine tool main shaft loading device |
| CN103722373A (en) * | 2013-12-28 | 2014-04-16 | 沈阳机床(集团)有限责任公司 | Mechanical device for operation posture simulation of milling spindle unit |
| CN103722373B (en) * | 2013-12-28 | 2015-11-18 | 沈阳机床(集团)有限责任公司 | A kind of mechanical device for milling spindle cell operation attitude-simulating |
| CN105716845A (en) * | 2016-02-01 | 2016-06-29 | 吉林大学 | Typical condition simulated loading type power knife rest detecting monitoring method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |