CN203940977U - The moving faying face dynamic stiffness testing table of a kind of lathe - Google Patents
The moving faying face dynamic stiffness testing table of a kind of lathe Download PDFInfo
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- CN203940977U CN203940977U CN201420323500.4U CN201420323500U CN203940977U CN 203940977 U CN203940977 U CN 203940977U CN 201420323500 U CN201420323500 U CN 201420323500U CN 203940977 U CN203940977 U CN 203940977U
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Abstract
The utility model discloses the moving faying face dynamic stiffness testing table of a kind of lathe, relate to Machine Tool Joint Surface field tests, comprise stage body, stage body is provided with T-shaped groove table top, T-shaped groove table top is provided with loading support, guide rail and be arranged on the slide block on guide rail, slide block has end face and two sides, be fixed in the vibration exciter fixing device that loads support roof, be packed in the vibrator in vibration exciter fixing device, the exciting rod that one end is connected with vibrator end, the other end of exciting rod contacts with slide block, vibrator is connected with vibration test system line, be arranged on the acceleration transducer on slide block and/or guide rail, acceleration transducer is connected with vibration test system line.The test of the Normal dynamic stiffness of guide rail-slide block faying face and tangential dynamic stiffness test when this testing table is used for realizing lathe different size guide rail, different pretightning force.
Description
Technical field
The utility model relates to Machine Tool Joint Surface field tests, is specifically related to the moving faying face dynamic stiffness testing table of a kind of lathe.
Background technology
At present faying face is very obvious on the impact of machine dynamic characteristics, according to statistics, occurs that it is to be derived from faying face that vibration problem has more than 60% on lathe, lathe total damping value more than 90% derive from faying face.Because the mechanical motion of the each feed shaft of lathe is mainly by guide rail and slider support and constraint, therefore the rigidity of the moving faying face of guide rail-slide block is very large to the Accuracy of lathe.In order to evaluate quality of different manufacturers, the moving faying face of this typical case of dissimilar guide rail-slide block, set up the moving faying face dynamic stiffness testing table of a kind of lathe, to realize the evaluation to various moving interface properties under similarity condition, it is the technical barrier that those skilled in the art need solution badly.
Summary of the invention
The problem existing in order to solve prior art, the utility model discloses the moving faying face dynamic stiffness testing table of a kind of lathe, the test of the Normal dynamic stiffness of guide rail-slide block faying face and tangential dynamic stiffness test when this testing table is used for realizing lathe different size guide rail, different pretightning force.The test result of this testing table can provide foundation for the pretightning force optimization of machine tool guideway assembling, processing optimization, the optimization of slide block pretightning force etc. of guide rails assembling face, to realize high precision and the high dynamic perfromance of lathe.
The technical scheme that the utility model adopts is:
The moving faying face dynamic stiffness testing table of a kind of lathe, it is characterized in that, comprise stage body, stage body is provided with T-shaped groove table top, T-shaped groove table top is provided with loading support, guide rail and be arranged on the slide block on guide rail, described slide block has end face and two sides, be fixed in the vibration exciter fixing device that loads support roof, be packed in the vibrator in vibration exciter fixing device, the exciting rod that one end is connected with vibrator end, the other end of exciting rod contacts with slide block, vibrator is connected with vibration test system line, be arranged on the acceleration transducer on slide block and/or guide rail, described acceleration transducer is connected with vibration test system line.
The moving faying face dynamic stiffness testing table of described lathe, described stage body is built by square-section shaped steel, is provided with Filled Iron for Vibration Damping below stage body.
The moving faying face dynamic stiffness testing table of described lathe, is provided with Shock-proof bolt between described T-shaped groove table top and stage body.
The moving faying face dynamic stiffness testing table of described lathe, described loading support is by T-shaped and be bolted on T-shaped groove table top, and described T-shaped groove table top is provided with two loading supports.
The moving faying face dynamic stiffness testing table of described lathe, described guide rail is fixed on T-shaped groove table top, and the end face of slide block is positioned at the below of vibrator, and the other end of described exciting rod contacts with the end face of slide block.
The moving faying face dynamic stiffness testing table of described lathe, also comprises guide rails assembling seat, and guide rail arranges by guide rails assembling seat and T-shaped groove table-surface level, and a side of slide block is positioned at the below of vibrator, a contacts side surfaces of the other end of exciting rod and slide block.
The moving faying face dynamic stiffness testing table of a kind of lathe of the utility model has following beneficial effect:
1, the utility model testing table can be for realizing Normal dynamic stiffness test and the tangential dynamic stiffness test of guide rail-slide block faying face during to lathe different size guide rail, different pretightning force.The test result of this testing table can provide foundation for the pretightning force optimization of machine tool guideway assembling, processing optimization, the optimization of slide block pretightning force etc. of guide rails assembling face, to realize high precision and the high dynamic perfromance of lathe.
2, below stage body, Filled Iron for Vibration Damping has been installed, can have realized the leveling to T-shaped groove table top, can reduce again the impact of ambient vibration on test, be conducive to the accuracy of faying face dynamic stiffness test.Testing table stage body adopts square-section shaped steel to build, and has ensured the steadiness of stage body.
3, load support and be fixed on T-shaped groove table top by bolt and T-shaped, ensured the stability of support.On table top, arrange two loading supports, the normal direction to moving faying face and tangential dynamic stiffness are tested simultaneously.
4, state when the moving faying face of guide rail-slide block is tested and the state of the moving faying face of lathe upper rail-slide block are basic identical, have ensured the consistance of test findings and practical application.
5, the result of the moving faying face test of guide rail-slide block can provide test figure for lathe finite element simulation.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the moving faying face dynamic stiffness testing table of a kind of lathe of the utility model.
Wherein, 1-Filled Iron for Vibration Damping, 2-stage body, 3-Shock-proof bolt, 4-T type groove table top, 5-exciting rod, 6-vibrator, 7-vibration exciter fixing device, 8-loads support, 9-guide rail, 10-slide block, 11-acceleration transducer, 12-guide rails assembling seat, 13-vibration test system.
Embodiment
As shown in Figure 1, the moving faying face dynamic stiffness testing table of a kind of lathe of the utility model, comprise stage body 2, stage body 2 is built by square-section shaped steel, below stage body 2, be provided with Filled Iron for Vibration Damping 1, stage body 2 is provided with T-shaped groove table top 4, between T-shaped groove table top 4 and stage body 2, be provided with Shock-proof bolt 3, T-shaped groove table top 4 is provided with and loads support 8, load support 8 by T-shaped and be bolted on T-shaped groove table top 4, , guide rail 9 and be arranged on the slide block 10 on guide rail 9, slide block 10 has end face and two sides, be fixed in the vibration exciter fixing device 7 that loads support 8 roofs, be packed in the vibrator 6 in vibration exciter fixing device 7, the exciting rod 5 that one end is connected with vibrator 6 ends, the other end of exciting rod 5 contacts with slide block 10, vibrator 6 is connected with vibration test system 13 lines, be arranged on the acceleration transducer 11 on slide block 10 and/or guide rail 9, described acceleration transducer 11 is connected with vibration test system 13 lines.T-shaped groove table top 4 is provided with two loading supports 8, and the Normal dynamic stiffness and the tangential dynamic stiffness that are respectively used to the moving faying face (being guide rail 9-slide block 10 faying faces) of lathe are tested.
Normal dynamic stiffness to machine tool guideway 9-slide block 10 faying faces is tested, be specially guide rail 9 and be fixed on T-shaped groove table top 4, the end face of slide block 10 is positioned at the below of vibrator 6, and the other end of exciting rod 5 contacts with the end face of slide block 10, on slide block 10 and guide rail 9, is respectively equipped with acceleration transducer 11.When test, vibration test system 13 is controlled vibrator 6 and is regulated exciting force and excited frequency, by exciting rod 5, the end face of slide block 10 is applied to dynamic load, acceleration transducer 11 gathers respectively the accekeration of slide block 10 and guide rail 9, and is transferred to vibration test system 13.Vibration test system 13 completes the calculating of guide rail 9-slide block 10 faying face Normal dynamic stiffness by dynamic load and acceleration information.
To the tangential dynamic stiffness test of machine tool guideway 9-slide block 10 faying faces, the moving faying face dynamic stiffness testing table of this lathe also comprises guide rails assembling seat, guide rail is horizontally disposed with by guide rails assembling seat 12 and T-shaped groove table top 4, guide rails assembling seat 12 is fixed on T-shaped groove table top 4, one side of slide block 10 is positioned at the below of vibrator 6, one contacts side surfaces of the other end of exciting rod 5 and slide block 10, is respectively equipped with acceleration transducer 11 on slide block 10 and guide rail 9.When test, vibration test system 13 is controlled vibrator 6 and is regulated exciting force and excited frequency, by exciting rod 5, a side of slide block 10 is applied to dynamic load, acceleration transducer 11 gathers respectively the accekeration of slide block 10 and guide rail 9, and is transferred to vibration test system 13.Vibration test system 13 completes the calculating of the tangential dynamic stiffness of guide rail 9-slide block 10 faying face by dynamic load and acceleration information.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art in essence of the present utility model and protection domain, various amendments that the utility model is made or be equal to replacement and also drop in protection domain of the present utility model.
Claims (6)
1. the moving faying face dynamic stiffness testing table of lathe, it is characterized in that, comprise stage body, stage body is provided with T-shaped groove table top, T-shaped groove table top is provided with loading support, guide rail and be arranged on the slide block on guide rail, described slide block has end face and two sides, be fixed in the vibration exciter fixing device that loads support roof, be packed in the vibrator in vibration exciter fixing device, the exciting rod that one end is connected with vibrator end, the other end of exciting rod contacts with slide block, vibrator is connected with vibration test system line, be arranged on the acceleration transducer on slide block and/or guide rail, described acceleration transducer is connected with vibration test system line.
2. the moving faying face dynamic stiffness testing table of lathe according to claim 1, is characterized in that, described stage body is built by square-section shaped steel, is provided with Filled Iron for Vibration Damping below stage body.
3. the moving faying face dynamic stiffness testing table of lathe according to claim 1, is characterized in that, between described T-shaped groove table top and stage body, is provided with Shock-proof bolt.
4. the moving faying face dynamic stiffness testing table of lathe according to claim 1, is characterized in that, described loading support is by T-shaped and be bolted on T-shaped groove table top, and described T-shaped groove table top is provided with two loading supports.
5. according to the moving faying face dynamic stiffness testing table of the arbitrary described lathe of claim 1-4, it is characterized in that, described guide rail is fixed on T-shaped groove table top, and the end face of slide block is positioned at the below of vibrator, and the other end of described exciting rod contacts with the end face of slide block.
6. according to the moving faying face dynamic stiffness testing table of the arbitrary described lathe of claim 1-4, it is characterized in that, also comprise guide rails assembling seat, guide rail arranges by guide rails assembling seat and T-shaped groove table-surface level, one side of slide block is positioned at the below of vibrator, a contacts side surfaces of the other end of exciting rod and slide block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420323500.4U CN203940977U (en) | 2014-06-17 | 2014-06-17 | The moving faying face dynamic stiffness testing table of a kind of lathe |
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| CN201420323500.4U CN203940977U (en) | 2014-06-17 | 2014-06-17 | The moving faying face dynamic stiffness testing table of a kind of lathe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768741A (en) * | 2016-12-07 | 2017-05-31 | 北京工业大学 | A kind of machine tool basic joint surface contact stiffness computational methods for considering that concrete micro-bulge is broken |
| CN106949994A (en) * | 2016-01-07 | 2017-07-14 | 上银科技股份有限公司 | Precompression detection method for linear slide rail |
| CN109883629A (en) * | 2019-02-28 | 2019-06-14 | 天津大学 | A kind of measuring device and method of measurement different size lower margin bearing three-way rigidity |
-
2014
- 2014-06-17 CN CN201420323500.4U patent/CN203940977U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949994A (en) * | 2016-01-07 | 2017-07-14 | 上银科技股份有限公司 | Precompression detection method for linear slide rail |
| CN106768741A (en) * | 2016-12-07 | 2017-05-31 | 北京工业大学 | A kind of machine tool basic joint surface contact stiffness computational methods for considering that concrete micro-bulge is broken |
| CN106768741B (en) * | 2016-12-07 | 2018-12-07 | 北京工业大学 | A kind of lathe-basis joint surface contact stiffness calculation method considering that concrete micro-bulge is broken |
| CN109883629A (en) * | 2019-02-28 | 2019-06-14 | 天津大学 | A kind of measuring device and method of measurement different size lower margin bearing three-way rigidity |
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| C14 | Grant of patent or utility model | ||
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Address after: 110142, No. 17, No. 1, development road, Shenyang economic and Technological Development Zone, Liaoning, China Patentee after: General Technology Group Shenyang Machine Tool Co.,Ltd. Address before: 110142, No. 17, No. 1, development road, Shenyang economic and Technological Development Zone, Liaoning, China Patentee before: SHENYANG MACHINE TOOL (GROUP) CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |