CN208825568U - A kind of longitudinal ultrasonic vibration truning fixture based on center lathe - Google Patents
A kind of longitudinal ultrasonic vibration truning fixture based on center lathe Download PDFInfo
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- CN208825568U CN208825568U CN201821676840.XU CN201821676840U CN208825568U CN 208825568 U CN208825568 U CN 208825568U CN 201821676840 U CN201821676840 U CN 201821676840U CN 208825568 U CN208825568 U CN 208825568U
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- ultrasonic vibration
- ultrasonic
- center lathe
- amplitude transformer
- blade
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Abstract
The utility model discloses a kind of longitudinal ultrasonic vibration truning fixture based on center lathe, including ultrasonic vibration system, special fixture, center lathe, center lathe is connect by special fixture with ultrasonic vibration system, special fixture includes pedestal, the connecting plate being fixed on pedestal, knife rest and support frame on connecting plate are set, ultrasonic vibration system includes the knife bar being arranged on knife rest, the blade for workpiece cutting of knife bar one end is set, blade is set to obtain the ultrasonic vibration mechanism of certain amplitude, ultrasonic vibration mechanism is connect by inner flange and outward flange disk with support frame, pedestal is connected by the slide carriage of fastening bolt and center lathe.The features such as the utility model overcomes the shortcomings of traditional turning technology, is effectively improved processing quality, improves processing efficiency, and have structure easy for installation, and it is simple easy to dismantle, and economic cost is low.
Description
Technical field
The utility model belongs to technical field of mechanical processing, and in particular to a kind of longitudinal ultrasonic vibration based on center lathe
Truning fixture.
Background technique
Consider from processing quality, metal removal rate, productivity and capacity utilization, turnery processing is still using relatively
Extensively, and a kind of economical and practical machining mode.However, being widely used with various precision instruments, part etc., adds
The requirement of work precision and processing quality is higher and higher, and at the same time, in mechanical manufacturing field, various difficult-to-machine materials are by increasingly wide
It uses generally and turnery processing quantity increases, so that the difficulty of turnery processing is continuously improved.For traditional turning process,
Due in turning process usually along with cutting force it is big, chip removal is difficult, tool wear is serious the problems such as so that processing quality become
Difference, processing efficiency reduce, processing cost increases.There is significant limitation, Supersonic Vibration Turning processing technologies for traditional turning
New way is provided as a kind of new special processing method for high quality, the highly-efficient processing of difficult-to-machine material.
Although having produced special purpose machine tool for ultrasonic vibrating machining both at home and abroad, this kind of special purpose machine tool there is
The deficiencies of application range is small, manufacturing cost height and poor universality is unfavorable for popularizing in actual production processing.In view of the above original
Ultrasonic vibration apparatus is installed on machine tool the vibrocutting requirement met in actual production by cause, the utility model.
Utility model content
Aiming at the problems existing in the prior art, it adapts to reality to need, the utility model provides a kind of based on center lathe
Longitudinal ultrasonic vibration truning fixture, the device be especially suitable for processing difficult-to-machine material, overcome the shortcomings of traditional turning technology, have
The features such as effect improves processing quality, improves processing efficiency, and have structure easy for installation, and disassembly is simple to be easy, and economic cost is low.
The utility model is realized by the following technical programs:
A kind of longitudinal ultrasonic vibration truning fixture based on center lathe, including ultrasonic vibration system, exclusive clamps
Tool, center lathe, the center lathe pass through the special fixture being arranged thereon and connect with ultrasonic vibration system, it is characterised in that institute
Stating special fixture includes pedestal, the connecting plate being fixed on pedestal, the knife rest and support frame being arranged on connecting plate, described
Ultrasonic vibration system includes the knife bar being arranged on knife rest, the blade cut for workpiece that knife bar one end is arranged in, makes blade
The ultrasonic vibration mechanism of certain amplitude is obtained, the ultrasonic vibration mechanism is connected by inner flange and outward flange disk and support frame
It connects, the pedestal is connected by the slide carriage of fastening bolt and center lathe.
A kind of longitudinal ultrasonic vibration truning fixture based on center lathe, it is characterised in that support frame as described above includes
Support riser, the front support floor for being fixedly installed on support riser front and rear sides and rear support floor, upper fixation clip, lower fixation
Pressing plate, the support riser are fixedly connected with knife rest, and the front support floor and lower fixation clip are connected by short soket head cap screw
It is connected together, the lower fixation clip is connected with upper fixation clip by long soket head cap screw, what each long soket head cap screw surrounded
Space is for fixing outward flange disk.
A kind of longitudinal ultrasonic vibration truning fixture based on center lathe, it is characterised in that the ultrasonic vibration machine
Structure includes ultrasonic amplitude transformer, ultrasonic transducer, and the small end of ultrasonic amplitude transformer is threaded hole, in knife bar close to the displacement of blade
It is machined with through-hole at node, is connected between the threaded hole and through-hole by bolt special, ultrasonic amplitude transformer and knife bar are fastened
It is integrated；The ultrasonic transducer is connected by the big end of built-in studs and ultrasonic amplitude transformer；The inner flange is set
It sets at the displacement node i.e. nodal section of ultrasonic amplitude transformer, and ultrasonic amplitude transformer and special fixture is fixed on one by outward flange disk
It rises.
A kind of longitudinal ultrasonic vibration truning fixture based on center lathe, it is characterised in that be arranged on the knife rest
There is the fine tuning pretension bolt for knife bar high fine-tuning.
A kind of longitudinal ultrasonic vibration truning fixture based on center lathe, it is characterised in that the point of a knife of the blade
Height is lower than one amplitude of rotating center.
A kind of longitudinal ultrasonic vibration truning fixture based on center lathe, it is characterised in that the ultrasonic amplitude transformer
With the central axis and special fixture horizontal plane of ultrasonic transducer.
The utility model compared with prior art, has the advantages that
1) the utility model wide adaptability can be processed a variety of difficult-to-machine materials, and can effectively improve the steady of process
It is qualitative, flutter is effectively eliminated, pollution is significantly reduced, reduces economic cost；
2) for the utility model suitable for carrying out semifinishing or finishing in the case where low speed, processing quality is good, adds
Work is high-efficient, can reduce surface roughness and cutting force, obtains preferable machined surface pattern and Chip Morphology；
3) smooth, uniform loose spiral end volume bits can be obtained in the utility model, and crimp radius is relatively large and torsional deformation is small,
Compared with common turning not only chip edge sawtooth shape burr phenomena be improved significantly, but also various drawbacks of chip surface
It is well controlled, while work in-process chip breaking effect is also relatively more satisfactory, helps to obtain better processing effect.
4) the utility model Cutter wear has obvious inhibiting effect, can reduce tool wear degree, improves cutter and uses
In the service life, the degree of wear of tool flank wear and front and rear knife face significantly reduces compared with common turning.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the longitudinal ultrasonic vibration truning fixture based on center lathe of the utility model；
Fig. 2 is longitudinal ultrasonic vibration truning fixture shown in FIG. 1 and center lathe entirety assembling schematic diagram；
Fig. 3 is ultrasonic amplitude transformer and tooling system connection schematic diagram in longitudinal ultrasonic vibration truning fixture shown in FIG. 1；
Fig. 4 is ultrasonic amplitude transformer and ultrasonic transducer connection schematic diagram in longitudinal ultrasonic vibration truning fixture shown in FIG. 1；
Fig. 5 is the structural schematic diagram of special fixture in longitudinal ultrasonic vibration truning fixture shown in FIG. 1；
In figure, 1- pedestal, 2- connecting plate, 3- knife rest, 4- knife bar, 5- finely tunes pretension bolt, and 6- supports riser, fixed under 7-
Pressing plate, the upper fixation clip of 8-, 9- ultrasonic amplitude transformer, 10- ultrasonic transducer, 11- fastening bolt, 12- rear support floor, 13- are special
With screw rod, 14- blade, 15- front support floor, the short soket head cap screw of 16-, 17- outward flange disk, 18- long soket head cap screw, 19-
Machine tool chief axis, 20- machine slide, 21- workpiece, 22- inner flange, 23- flange screw.
Specific embodiment
The utility model is described in further details below in conjunction with Figure of description, and provides specific embodiment.
As shown in Figs. 1-5, a kind of longitudinal ultrasonic vibration truning fixture based on center lathe of the utility model, including ultrasound
Vibrational system, special fixture, center lathe connect together ultrasonic vibration system with center lathe by special fixture.
Ultrasonic vibration system is the core and key of Ultrasonic machining, and the ultrasonic vibration that it can make blade obtain certain amplitude is made
For workpiece, to realize that Supersonic Vibration Turning is processed, ultrasonic vibration system includes knife bar 4, ultrasonic amplitude transformer 9, ultrasonic transduction
Device 10, bolt special 13, blade 14, outward flange disk 17, inner flange 22, flange screw 23.
Knife bar 4, using the method being threadedly coupled, is processed with the connection of ultrasonic amplitude transformer 9 in the small end of ultrasonic amplitude transformer 9
Threaded hole processes through-hole in knife bar 4 at the displacement node of blade 14, and passes through bolt special 13 for ultrasonic amplitude transformer 9
It is fastened as a whole with knife bar 4, to make to obtain maximum ultrasonic amplitude at point of a knife.Ultrasonic transducer 10 is by studs and surpasses
The big end of sound amplitude transformer 9 connects, and inner flange 22 is equipped at displacement node, that is, nodal section of ultrasonic amplitude transformer 9, and pass through outer method
Ultrasonic amplitude transformer 9 and special fixture are fixed together by blue disk 17, realize effective connection of ultrasonic vibration system and lathe, make it
It reduces to the greatest extent and is closed with extraneous sound misfortune, thus the reduction mechanical wear of maximum possible.
Special fixture includes pedestal 1, connecting plate 2, knife rest 3, finely tunes pretension bolt 5, supports riser 6, lower fixation clip 7,
Upper fixation clip 8, fastening bolt 11, rear support floor 12, front support floor 15, short soket head cap screw 16, long soket head cap screw
18.Entire special fixture is connected by pedestal 1 with machine slide 20, and knife rest 3 is connect by connecting plate 2 with pedestal 1, passes through support
Front support floor 15 is connected together with rear support floor 12 and is fixed on knife rest 3 by riser 6；Front support floor 15 and lower solid
Fixed pressuring plate 7 is linked together by short soket head cap screw 16, lower fixation clip 7 and the long soket head cap screw 18 of upper fixation clip 8
It is connected, for fixing outward flange disk 17；Knife bar 4 is put within knife rest 3, and fixed while available using fine tuning pretension bolt 5
The height of 5 fine-adjustable tool bar 4 of pretension bolt is finely tuned, guarantees that the nose height of blade 14 is lower than 21 rotation centers of workpiece, that is, machine tool chief axis
19 amplitudes of rotation center one thus may be implemented the point of a knife when applying ultrasonic vibration to blade 14 and be exactly in workpiece 21
Rotation center at.
Integral installation for Supersonic Vibration Turning device should install special fixture and knife bar 4 first, for avoid blade by
Power unevenness knife bar 4 must right angle setting.Then ultrasonic amplitude transformer 9 and ultrasonic transducer 10 are successively installed.The utility model belongs to
It is longitudinal ultrasonic vibration system, the high-frequency vibration direction of blade 14 is consistent with main cutting force direction, therefore should ensure that in installation super
The central axis of sound amplitude transformer 9 and ultrasonic transducer 10 and special fixture horizontal plane, that is, lathe horizontal plane.Finally connect
The signal wire of ultrasonic generator (not shown) and ultrasonic transducer, and Supersonic Vibration Turning can be carried out after adjusting ultrasonic amplitude
Processing.
For the ease of adjusting the height of 14 point of a knife of blade, knife bar 4 is fixed by the way of being similar to briquetting and fixing, and adopt
It is assisted finely tuning with shim liner.After the height of 14 point of a knife of blade is adjusted, using fine tuning pretension bolt 5 by knife bar 4 into
Row is fixed, and to improve the rigidity of entire Supersonic Vibration Turning system of processing, facilitates the processing effect for improving Supersonic Vibration Turning.
Special fixture mainly includes base portion, jig main body part and fixation clip part.Special fixture passes through pedestal
Part is connected with machine slide, by fixation clip part fixed flange so that it is connected with ultrasonic vibration system.In addition, again
Ultrasonic vibration system, lathe and special fixture are closely secured together by jig main body part.Special fixture can be with
Ultrasonic vibration system is fastened on lathe well, to meet the needs of vibration machining.
The utility model use process, technical solutions of the utility model combine ultrasonic wave theory and machining is theoretical,
The Supersonic Vibration Turning processing that different materials workpiece is realized on CA6140 type center lathe, by applying in the longitudinal direction to cutter
The ultrasonic vibration of high frequency, small amplitude improves processing effect, and in process the contact between cutter and workpiece is interrupted,
Belong to interrupted processing.
The characteristics of for different workpieces material, using the blade of different model, is processing 304 austenitic stainless steels and 5A06
CCMT120404-HM YBM251 type hard alloy TiC-Al is used when almag2O3- TiN coated cutting tool, in processing GH4169
Using agreeing to receive CCMT120408LF-KC5010 type hard alloy PVD-TiAlN coated cutting tool when nickel base superalloy.
It is super into 20 kHz that Supersonic Vibration Turning device converts the alternating current of 220 V or 380 V by ultrasonic generator first
Then the electric oscillation signal of acoustic frequency forms the mechanical oscillation of 20 kHz same frequencys using ultrasonic transducer, but export amplitude only
There is 4-10 μm, ultrasonic amplitude transformer is recycled to amplify the amplitude of the vibration later, generates it in the end of blade and be suitble to ultrasound vibration
10-30 μm of mechanical vibration amplitude of dynamic turnery processing, and workpiece surface is acted on, finally combine the rotation of CA6140 type center lathe
Turn and feed motion come realize Supersonic Vibration Turning process.
Claims (6)
1. a kind of longitudinal ultrasonic vibration truning fixture based on center lathe, including ultrasonic vibration system, special fixture, common in-vehicle
Bed, the center lathe pass through the special fixture being arranged thereon and connect with ultrasonic vibration system, it is characterised in that the exclusive clamps
Tool includes pedestal (1), the connecting plate (2) being fixed on pedestal (1), the knife rest (3) being arranged on connecting plate (2) and support
Frame, the ultrasonic vibration system include the knife bar (4) being arranged on knife rest (3), are arranged in knife bar (4) one end for workpiece
(21) blade (14) cut, the ultrasonic vibration mechanism for making blade (14) to obtain certain amplitude, the ultrasonic vibration mechanism pass through
Inner flange (22) and outward flange disk (17) are connect with support frame, and the pedestal (1) passes through fastening bolt (11) and center lathe
Slide carriage (20) connection.
2. a kind of longitudinal ultrasonic vibration truning fixture based on center lathe as described in claim 1, it is characterised in that described
Support frame includes support riser (6), the front support floor (15) and after the support ribs for being fixedly installed on support riser (6) front and rear sides
Plate (12), upper fixation clip (8), lower fixation clip (7), the support riser (6) are fixedly connected with knife rest (3), prop up before described
Stake rib plate (15) and lower fixation clip (7) are linked together by short soket head cap screw (16), the lower fixation clip (7) and upper
Fixation clip (8) is connected by long soket head cap screw (18), and the space that each long soket head cap screw (18) surrounds is for fixed outer method
Blue disk (17).
3. a kind of longitudinal ultrasonic vibration truning fixture based on center lathe as described in claim 1, it is characterised in that described
Ultrasonic vibration mechanism includes ultrasonic amplitude transformer (9), ultrasonic transducer (10), and the small end of ultrasonic amplitude transformer (9) is threaded hole,
It is machined with through-hole at the displacement node of knife bar (4) close to blade (14), passes through bolt special between the threaded hole and through-hole
(13) it connects, ultrasonic amplitude transformer (9) and knife bar (4) is fastened as a whole；The ultrasonic transducer (10) passes through built-in double end
Stud is connect with the big end of ultrasonic amplitude transformer (9)；The inner flange (22) setting is in the displacement node of ultrasonic amplitude transformer (9)
At nodal section, and ultrasonic amplitude transformer (9) and special fixture are fixed together by outward flange disk (17).
4. a kind of longitudinal ultrasonic vibration truning fixture based on center lathe as described in claim 1, it is characterised in that described
The fine tuning pretension bolt (5) for knife bar (4) high fine-tuning is provided on knife rest (3).
5. a kind of longitudinal ultrasonic vibration truning fixture based on center lathe as described in claim 1, it is characterised in that described
The nose height of blade (14) is lower than one amplitude of workpiece (21) rotation center.
6. a kind of longitudinal ultrasonic vibration truning fixture based on center lathe as claimed in claim 3, it is characterised in that described
The central axis of ultrasonic amplitude transformer (9) and ultrasonic transducer (10) and special fixture horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821676840.XU CN208825568U (en) | 2018-10-16 | 2018-10-16 | A kind of longitudinal ultrasonic vibration truning fixture based on center lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821676840.XU CN208825568U (en) | 2018-10-16 | 2018-10-16 | A kind of longitudinal ultrasonic vibration truning fixture based on center lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208825568U true CN208825568U (en) | 2019-05-07 |
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ID=66318200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821676840.XU Active CN208825568U (en) | 2018-10-16 | 2018-10-16 | A kind of longitudinal ultrasonic vibration truning fixture based on center lathe |
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| CN (1) | CN208825568U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109158622A (en) * | 2018-10-16 | 2019-01-08 | 东华理工大学 | A kind of longitudinal ultrasonic vibration truning fixture based on center lathe |
| TWI834333B (en) | 2022-10-11 | 2024-03-01 | 國立屏東科技大學 | Vibration mechanism of turning tool |
-
2018
- 2018-10-16 CN CN201821676840.XU patent/CN208825568U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109158622A (en) * | 2018-10-16 | 2019-01-08 | 东华理工大学 | A kind of longitudinal ultrasonic vibration truning fixture based on center lathe |
| TWI834333B (en) | 2022-10-11 | 2024-03-01 | 國立屏東科技大學 | Vibration mechanism of turning tool |
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