CN203578835U - Vibration controller of long hole drill rod system - Google Patents
Vibration controller of long hole drill rod system Download PDFInfo
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- CN203578835U CN203578835U CN201320724255.3U CN201320724255U CN203578835U CN 203578835 U CN203578835 U CN 203578835U CN 201320724255 U CN201320724255 U CN 201320724255U CN 203578835 U CN203578835 U CN 203578835U
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- bearing
- disk
- bar system
- boring bar
- wall
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Abstract
The utility model discloses a vibration controller of a long hole drill rod system. The controller comprises a hollow guide sleeve, wherein the outer wall of the guide sleeve is sleeved with a bearing, the outer wall of the bearing is in interference fit with an annular piston sleeve, the outer wall of the annular piston sleeve is fixedly sleeved with a disc, an annular coil supporting sleeve is arranged outside the disc and is not in contact with the disc, a coil is wound around the coil supporting sleeve, the two ends of the guide sleeve are sleeved with outer end covers respectively, and the outer sides of the two outer end covers are connected. The vibration controller of the long hole drill rod system is simple in structure, small in size, high in matching accuracy, and easy to produce in a batch mode. Magnetorheological fluid is utilized for damping correction of a cutter bar system, high precision and high agility are achieved, and the adjusting range of the damping value is wide. Requirements of workpiece rotary machining can be met, vibration abatement can also be achieved during cutter rotary machining, and technology consistence is high.
Description
Technical field
The utility model belongs to machine design and manufacture technical field, is specifically related to a kind of vibrating controller of solid boring bar system.
Background technology
Gun drilling is a kind of Cutting Process that has surcharge, this be traditional drilling method can not and.In the modern times, manufacture field, have the deep hole product of a lot of special purposes, for example, according to European Airbus SAS statistics, it just relates to nearly more than 5000 machining hole in airliner manufacture.The planform in these parts holes and dimensional accuracy have directly determined service behaviour and the efficiency of critical component.Yet, due to the complexity of gun drilling mechanism and the diversity of processing conditions, under the condition how normally to move in assurance processing, thereby identification real-time and accurately guarantees that with the running status of accurately controlling cutter hole machining accuracy error is focus and the key issue of deep hole machining research always.Recent domestic scholar has carried out a large amount of research about the dynamic stability problem of deep hole processing cutter, but the content of these researchs mainly concentrates on the simulation analysis and computational methods thereof of the behavior of solid boring bar system vibration, be difficult to be applied in actual processing, crudy is wayward.
Research can be carried out ACTIVE CONTROL and be easy to realize the self-adjusting intelligent controller of tooling system rigidity and damping cutter regeneration vibration or flutter, to promoting the innovative development of lathe, particularly significant to the development of deep hole working machine.
Utility model content
The purpose of this utility model is to provide a kind of vibrating controller of solid boring bar system, has solved the problem that existing drill unit cannot effectively be controlled deep hole machining quality.
The technical scheme that the utility model adopts is, the vibrating controller of solid boring bar system, the guide pin bushing that comprises hollow, the outer wall cover of guide pin bushing has bearing, and bearing outer wall interference fit has annular piston cover, the outer wall of annular piston cover is fixed with disk, the outside of disk is provided with annular coil support cover, and coil support cover does not contact with disk, and coil support puts and is tied with coil, the two ends of guide pin bushing are all arranged with outer end cap, and the outside of two outer end caps is connected to each other.
Feature of the present utility model is also,
The cross section of coil support cover is wherein U-shaped.
Outer end cap is wherein provided with power line interface channel, and power line interface channel is communicated with the U-shaped inner chamber of coil support cover.
A side that is positioned at bearing on guide pin bushing is wherein provided with projection, and the opposite side of bearing is provided with bearing circlip, and bearing circlip is enclosed within on guide pin bushing.
The outer wall of annular piston cover is wherein arranged with back-up ring, and the flange collar that is installed with for a week along annular piston cover outer wall, is connected by screw disk between back-up ring and flange collar.
The inwall of two outer end caps wherein and annular piston cover, coil support cover form enclosed cavity, are filled with magnetic rheological liquid in enclosed cavity, and the inwall of two outer end caps is equipped with projection near the position of disk, and each projection all and between disk leaves gap.
The width in gap is wherein 0.8～1mm.
The beneficial effects of the utility model are, by utilization be encapsulated in magnetic rheological liquid in controller rapidly, continuously and the feature of reversible conversion, and introduce the adjustable layout in toroidal magnetic field, make its rigidity that is applicable to each supplemental support in tooling system and damping regulation and control, the vibrating controller of solid boring bar system of the present utility model is simple in structure, small volume, quality of fit is high, is easy to processing, and production efficiency is high; Utilize magnetic rheological liquid to carry out the damping correction of knife bar system, make the vibrating controller of this solid boring bar system there is high accuracy and high agility, and the wide advantage of damping value adjusting range; The vibrating controller of this solid boring bar system can not only meet the demand of workpiece rotary type processing technology, to cutter rotary type processing technology, can realize the object of vibration suppression too, has good technique connection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vibrating controller of the utility model solid boring bar system.
In figure, 1. guide pin bushing, 2. outer end cap, 3. bearing circlip, 4. annular piston cover, 5. coil support cover, 6. disk, 7. coil, 8. magnetic rheological liquid, 9. power line interface channel, 10. back-up ring, 11. screws, 12. bearings, 13. drilling rods.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
The vibrating controller of the utility model solid boring bar system, its structure as shown in Figure 1, the guide pin bushing 1 that comprises hollow, the outer wall cover of guide pin bushing 1 has bearing 12, and bearing 12 outer wall interference fit have annular piston cover 4, the outer wall of annular piston cover 4 is fixed with disk 6, the outside of disk 6 is provided with annular coil support cover 5, and coil support cover 5 does not contact with disk 6, on coil support cover 5, is tied with coil 7, the outside that the two ends of guide pin bushing 1 are all arranged with 2, two outer end caps 2 of outer end cap is connected to each other.
Wherein, the cross section of coil support cover 5 is U-shaped, and outer end cap 2 is provided with power line interface channel 9 and is communicated with the U-shaped inner chamber of coil support cover 5; A side that is positioned at bearing 12 on guide pin bushing 1 is provided with projection, and the opposite side of bearing 12 is provided with bearing circlip 3, and bearing circlip 3 is enclosed within on guide pin bushing 1; The outer wall of annular piston cover 4 is arranged with back-up ring 10, overlaps the flange collar that is installed with for a week of 4 outer walls along annular piston, passes through screw 11 clutch disks 6 between back-up ring 10 and flange collar; The inwall of two outer end caps 2 and annular piston cover 4, coil support cover 5 form enclosed cavity, in enclosed cavity, be filled with magnetic rheological liquid 8, the inwall of two outer end caps 2 is equipped with projection near the position of disk 6, and each projection all and between disk 6 leaves gap, and the width in gap is 0.8～1mm.
During use, drilling rod 13 is passed to guide pin bushing 1, drilling rod 13 is interference fit with guide pin bushing 1, coil 7 is by the external rectifier of power line interface channel 9, after rectifier energising, make coil 7 produce magnetic field around, especially the strongest in the outer end cap 2 position magnetic field intensity adjacent with disk 6, so magnetic rheological liquid 8 is under the effect in magnetic field, according to magnetic rheological liquid 8, can produce the principle of solid-liquid phase change, can cause magnetic rheological liquid 8 between solid and liquid state, to carry out the quick reversible conversion of Millisecond, and then affected the damping value of disk 6 and magnetic rheological liquid 8 contact-making surfaces, due to disk 6, annular piston cover 4, guide pin bushing 1 and drilling rod 13 are assembly part, therefore this damping value is adjustable or control, the vibrational state of drilling rod 13 self will directly be affected, thereby revise the frequency of drilling rod 13 flutter response spectra peak values, amplitude and damping value, so that obtaining effectively, the surface quality in processed hole promotes.
Operating personnel can choose polytetrafluoroethylene (PTFE) guide pin bushing 1 according to the diameter of solid boring bar 13, because guide pin bushing 1 adopts tight fit, are installed on drilling rod 13, and under normal drilling machining state, 1 pair of drilling rod 13 of guide pin bushing has played guide effect.If drilling rod 13 produces oscillation crosswise behavior, annular piston cover 4 also can produce once per revolution vibration simultaneously, and this vibration mode is mapped on the joining disk 6 of axle sleeve.
According to electric current in the real-time regulating winding 7 of Vibration Condition of drilling rod 13 in processing, make it produce different magnetic induction intensity.Then, the magnetic rheological liquid 8 in cavity is subject to exciting of change of magnetic field strength, can cause it between solid and liquid state, to carry out the quick reversible conversion of Millisecond, thereby revises the shearing damp power value that disk vibration is applied.
If find, in drilling process, drilling rod 13 vibrations are excessive, suitably increase electric current in coil 7 and cause airtight cavity internal magnetic field to strengthen, and impel magnetic rheological liquid 8 phase transformations to solidify simultaneously the shearing damp power that disk 6 bears is increased; Otherwise, reduce the electric current in coil 7.By above-mentioned adjustment process, finally reach the shearing damp power that utilize to change magnetic flow liquid fluid, to realize the target of drilling rod system damping value and rigidity value being carried out to active control.
In the vibrating controller of solid boring bar system of the present utility model, back-up ring 10 and annular piston overlap between the flange collar that 4 outer walls arrange by screw 11 clutch disks 6, by such structure setting, greatly promoted the quality of fit between each parts, and reduced the grade of tolerance requirement of actual production process to each component processing, reduced difficulty of processing, improve production efficiency, thereby met the needs of the vibrating controller mass production of solid boring bar system.
The vibrating controller of solid boring bar system of the present utility model is simple in structure, small volume, and quality of fit is high, is easy to produce in enormous quantities; Utilize magnetic rheological liquid to carry out the damping correction of knife bar system, make the vibrating controller of this solid boring bar system there is high accuracy and high agility, and the wide advantage of damping value adjusting range; The vibrating controller of this solid boring bar system can not only meet the demand of workpiece rotary type processing technology, to cutter rotary type processing technology, can realize the object of vibration suppression too, has good technique connection.
Claims (7)
1. the vibrating controller of solid boring bar system, it is characterized in that, the guide pin bushing (1) that comprises hollow, the outer wall cover of guide pin bushing (1) has bearing (12), bearing (12) outer wall interference fit has annular piston cover (4), the outer wall of annular piston cover (4) is fixed with disk (6), the outside of disk (6) is provided with annular coil support cover (5), coil support cover (5) does not contact with disk (6), on coil support cover (5), be tied with coil (7), the two ends of described guide pin bushing (1) are all arranged with outer end cap (2), the outside of two outer end caps (2) is connected to each other.
2. the vibrating controller of solid boring bar system as claimed in claim 1, is characterized in that, the cross section of described coil support cover (5) is U-shaped.
3. the vibrating controller of solid boring bar system as claimed in claim 1, is characterized in that, described outer end cap (2) is provided with power line interface channel (9), and power line interface channel (9) is communicated with the U-shaped inner chamber of described coil support cover (5).
4. the vibrating controller of solid boring bar system as claimed in claim 1, it is characterized in that, a side that is positioned at bearing (12) on described guide pin bushing (1) is provided with projection, and the opposite side of bearing (12) is provided with bearing circlip (3), and bearing circlip (3) is enclosed within on guide pin bushing (1).
5. the vibrating controller of solid boring bar system as claimed in claim 1, it is characterized in that, the outer wall of described annular piston cover (4) is arranged with back-up ring (10), along the flange collar that is installed with for a week of annular piston cover (4) outer wall, between back-up ring (10) and flange collar, pass through screw (11) clutch disk (6).
6. the vibrating controller of solid boring bar system as claimed in claim 1, it is characterized in that, the inwall of described two outer end caps (2) and annular piston cover (4), coil support cover (5) form enclosed cavity, in enclosed cavity, be filled with magnetic rheological liquid (8), the inwall of two outer end caps (2) is equipped with projection near the position of disk (6), and each projection all and between disk (6) leaves gap.
7. the vibrating controller of solid boring bar system as claimed in claim 6, is characterized in that, the width in described gap is 0.8～1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320724255.3U CN203578835U (en) | 2013-11-13 | 2013-11-13 | Vibration controller of long hole drill rod system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320724255.3U CN203578835U (en) | 2013-11-13 | 2013-11-13 | Vibration controller of long hole drill rod system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203578835U true CN203578835U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320724255.3U Expired - Fee Related CN203578835U (en) | 2013-11-13 | 2013-11-13 | Vibration controller of long hole drill rod system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203578835U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673685A (en) * | 2016-03-14 | 2016-06-15 | 西安理工大学 | Active regulating and controlling device for bearing clearance of high-speed spindle system |
| CN108723425A (en) * | 2018-04-18 | 2018-11-02 | 闽南理工学院 | A kind of high speed depth drill |
-
2013
- 2013-11-13 CN CN201320724255.3U patent/CN203578835U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673685A (en) * | 2016-03-14 | 2016-06-15 | 西安理工大学 | Active regulating and controlling device for bearing clearance of high-speed spindle system |
| CN105673685B (en) * | 2016-03-14 | 2017-12-29 | 西安理工大学 | A kind of active regulation device of the bearing clearance of high-speed spindle system |
| CN108723425A (en) * | 2018-04-18 | 2018-11-02 | 闽南理工学院 | A kind of high speed depth drill |
| CN108723425B (en) * | 2018-04-18 | 2019-11-19 | 闽南理工学院 | A kind of high speed depth drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20161113 |