CN103521414B - Inclined beam type Hybrid transducer Vibration changer - Google Patents

Inclined beam type Hybrid transducer Vibration changer Download PDF

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CN103521414B
CN103521414B CN201310487282.8A CN201310487282A CN103521414B CN 103521414 B CN103521414 B CN 103521414B CN 201310487282 A CN201310487282 A CN 201310487282A CN 103521414 B CN103521414 B CN 103521414B
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tool heads
linkage
plane
cant
groove
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CN103521414A (en
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赵波
唐军
高国富
焦锋
向道辉
杨志波
童景琳
陈曦
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Keyizhan Intelligent Equipment Co., Ltd. Guangzhou Branch
Conprofe Technology Group Co Ltd
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Henan University of Technology
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Abstract

The invention discloses a kind of inclined beam type Hybrid transducer Vibration changer, comprise tool heads, cant beam, studs, middle linkage section and lower tool heads, is the press-fit of plug-in type top between described upper tool heads, middle linkage section and cant beam.Axial bindiny mechanism by arranging between upper tool heads and lower tool heads, realizes combining closely of whole device.The present invention is reasonable in design, and structure is simple, is easy to the connection realizing workpiece, practical, utilizes this device that unidirectional longitudinal vibration transducer can be made to realize the output of Hybrid transducer vibration.

Description

Inclined beam type Hybrid transducer Vibration changer
Technical field
The present invention relates to inclined beam type Hybrid transducer Vibration changer, be mainly used in ultrasonic wave process equipment, belong to accurate, Ultraprecision Machining field.
Background technology
Mostly traditional Ultrasonic machining is a little single vibration patterns, however along with the development of Ultrasonic machining technology and updating of equipment, indulge-turn round, the composite vibrational mode such as vertical-curved and turn round-curved have also been obtained and pay close attention to widely.Research shows, the direction that not only can realize between cutter rake face and chip of the Ultrasonic machining under Hybrid transducer vibration mode produces and reverses, and facilitates the outflow of chip, suppresses the generation of " having indigestion phenomenon ".Meanwhile, this kind of vibration mode, owing to adding tangential ancillary vibration, just makes the lubrication of lubricating fluid to cutting zone more convenient, also will produce certain dynamic pressure oil film, decrease the impact failure of cutter between cutter rake face and cutting face.(Pi Jun, Hybrid transducer vibration machining, " mechanical engineering journal ").
Through finding prior art literature search, the method realizing Hybrid transducer vibration in engineer applied has main two kinds, a kind of is encourage by the transducer reversed that stretches to the transducer of the different piezoelectric ceramics composition of two groups of polarised directions or axial magnetic hysteresis the coupling realizing two kinds of vibration modes, the shortcoming of this implementation is that structural design is more complicated, and needs a two-phase electric excitation source; Another kind is by carrying out particularization design to the structure of ultrasonic transformer, as screw groove type, oblique slot type, Tenon articulated and sloped roof press-fit etc.In screw groove type structure, affect the many factors of longitrorse resonant frequency, design comparison difficulty.But, be then carry out structural design based on wave reflection, refraction principle entirely for oblique slot type, Tenon articulated and sloped roof press-fit structure.This class formation is often more complicated, and processing and manufacturing cost is high.
Summary of the invention
The present invention, in order to solve the deficiencies in the prior art part, provides inclined beam type Hybrid transducer Vibration changer, and it carries out with the reeded upper and lower tool heads of band the conversion that the press-fit of grafting top achieves Hybrid transducer vibration by the cant beam with boss.
For achieving the above object, the technical solution used in the present invention is: system of the present invention provides inclined beam type Hybrid transducer Vibration changer, this inclined beam type Hybrid transducer Vibration changer comprises tool heads, four cant beams, studs, middle linkage section and lower tool heads, the convex platform at described cant beam two ends and lower convex platform form the press-fit of grafting top with upper tool heads groove and middle linkage section groove respectively, and studs is successively by upper tool heads, middle linkage section and lower tool heads axial restraint.
Further, the screw thread at described studs two ends respectively with the internal whorl compact siro spinning technology of upper tool heads and lower tool heads, the thread rotary orientation that studs is connected with upper tool heads is for being threaded, and the thread rotary orientation that studs is connected with lower tool heads is for being threaded.
Further, described upper tool heads and lower tool heads are hollow cylinder shape, the machining tool that can connect all types of form without groove ends of upper tool heads, lower tool heads can proximity index type, pyramid type, stretched wire type and horn,stepped or be directly connected with longitudinal vibration transducer without groove ends.
Further, the interior circular diameter of described middle linkage section is slightly larger than the diameter of studs.
Further, described upper tool heads end is provided with four and is uniformly distributed tool heads groove on plane, and described middle linkage section end is also provided with four and is uniformly distributed linkage section groove in the middle of plane; Described four cant beam two ends are equipped with plane convex platform and plane lower convex platform, and described plane convex platform and plane lower convex platform form connected structure with linkage section groove is corresponding in the middle of tool heads groove on plane and plane respectively.
Further, described four oblique beam structures are identical, are plane inside this cant beam, are curved surface outside cant beam, and engage with the outer round surface of upper tool heads and middle linkage section.
Beneficial effect of the present invention is:
After adopting such scheme, system of the present invention is made up of upper tool heads, cant beam, studs, middle linkage section and lower tool heads.The mode top press-fit of grafting is passed through in described upper tool heads one end and cant beam one end, and the cant beam other end and middle linkage section pass through the mode top press-fit of grafting.This device makes upper tool heads and lower tool heads connect by the screw thread at studs two ends, thus realizes the compact siro spinning technology of this device.The present invention is reasonable in design, and structure is simple, is easy to the connection realizing workpiece, practical, utilizes this device that unidirectional longitudinal vibration transducer can be made to realize the output of Hybrid transducer vibration.
The general principle of technical solution of the present invention is as described below: the extensional vibration that (1) is passed over by transducer or ultrasonic transformer, will be decomposed at cant beam root along the vibration in cant beam direction and the vibration perpendicular to cant beam direction.When these two kinds vibration driving frequency identical with the local bending vibration frequency of cant beam or close to time, the longitudinal resonance of cant beam and flexural resonance will be induced respectively.Wherein, the effect of this flexural vibrations can be equivalent to cant beam from torus cross section and carries out torsional oscillation along toric periphery.Therefore, extensional vibration can be converted to twisting vibration by the oblique beam structure in torus, realizes the coupling of two kinds of mode.(2) structural damping in annulus cant beam section can make again the longitudinal vibration of output and torsional oscillation produce certain phase difference, thus realizes the Hybrid transducer elliptical vibration of cutter.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the axis side view of system of the present invention;
Fig. 4 is the part assembly drawing of system of the present invention;
Fig. 5 is the axis side view of the studs of system of the present invention;
Fig. 6 is the decomposition explosion figure of system of the present invention.
Detailed description of the invention
As shown in Figures 1 to 3, inclined beam type Hybrid transducer Vibration changer of the present invention, comprise tool heads 5, four cant beams 4, studs 3, middle linkage section 2 and lower tool heads 1, the convex platform 7 at described cant beam 4 two ends and lower convex platform 8 form the press-fit of grafting top with upper tool heads groove 6 and middle linkage section groove 9 respectively, and studs 3 is successively by upper tool heads 5, middle linkage section 2 and lower tool heads 1 axial restraint; As shown in Figure 5, the screw thread at described studs 3 two ends respectively with the internal whorl compact siro spinning technology of upper tool heads 5 and middle linkage section 2, the internal thread rotation of the external screw thread at studs 3 two ends and upper tool heads 5 and lower tool heads 1 is to contrary.Described upper tool heads 5 and lower tool heads 1 are hollow cylinder shape, the machining tool that can connect all types of form without groove ends of upper tool heads 5, lower tool heads 1 can proximity index type, pyramid type, stretched wire type and horn,stepped or be directly connected with longitudinal vibration transducer without groove ends.The interior circular diameter of described middle linkage section 2 is slightly larger than the diameter of studs 3.As shown in Figure 4, described upper tool heads 5 end is provided with four and is uniformly distributed tool heads groove 6 on plane, and described middle linkage section 2 end is also provided with four and is uniformly distributed linkage section groove 9 in the middle of plane; Described four cant beam 4 two ends are equipped with plane convex platform 7 and plane lower convex platform 8, and described plane convex platform 7 and plane lower convex platform 8 form connected structure with linkage section groove 9 is corresponding in the middle of tool heads groove 6 on plane and plane respectively.Described four cant beam 4 structures are identical, and being plane inside this cant beam 4, is curved surface outside cant beam 4, and engage with the outer round surface of upper tool heads 5 and middle linkage section 2.
Using method of the present invention:
As shown in Figure 6, when work uses, upper tool heads 5 is spun on studs one end, after fixing, cant beam 4 is inserted in its four grooves, by middle linkage section 2 from the other end cover of studs, and be combined with cant beam, finally lower tool heads 1 is screwed on studs, to the precession of middle linkage section 2, cant beam 4 is fitted tightly with upper tool heads 5 and middle linkage section 2, realize reliable connection, this device can be formed.
Provide application example of the present invention below:
Because longitudinal vibration and torsional oscillation meet half-wavelength principle of stacking, so the structure of conversion equipment designs according to half-wavelength.45# steel all selected by the material of device, and density is , Young's modulus is , material Poisson's ratio is 0.28.The external diameter of upper tool heads, middle linkage section and lower tool heads is , its length is respectively: 20mm, 10mm, 20mm.Wherein, the dark 4mm of groove on upper tool heads and middle linkage section, wide 7mm.The height overall of cant beam is 15mm, and the boss height at two ends is 4mm.The overall length of studs is 29mm, and the screw thread at two ends is .Finite element analysis software Ansys is utilized to carry out model analysis to system of the present invention patent.Under the prerequisite meeting engineer applied, when carrying out model analysis, threaded overall size simplifies by its central diameter size.Modal analysis result shows, and the coupling frequency of indulge-turning round of system of the present invention patent is 34936Hz, and therefore, when the longitudinal vibration frequency in the external world is near 35000Hz, Hybrid transducer vibration is done by system of the present invention.
Scope is not limited to above-described embodiment, every apparent technology distortion done according to system of the present invention technical scheme principle, within the protection domain all falling into system of the present invention.

Claims (6)

1. an inclined beam type Hybrid transducer Vibration changer, it is characterized in that, this inclined beam type Hybrid transducer Vibration changer comprises tool heads (5), four cant beams (4), studs (3), middle linkage section (2) and lower tool heads (1), the convex platform (7) at described cant beam (4) two ends and lower convex platform (8) form the press-fit of grafting top with upper tool heads groove (6) and middle linkage section groove (9) respectively, and studs (3) is successively by upper tool heads (5), middle linkage section (2) and lower tool heads (1) axial restraint.
2. inclined beam type Hybrid transducer Vibration changer according to claim 1, is characterized in that, the two ends of described studs (3) are threaded with upper tool heads (5) and lower tool heads (1) respectively.
3. inclined beam type Hybrid transducer Vibration changer according to claim 2, it is characterized in that, described upper tool heads (5) and lower tool heads (1) are hollow cylinder shape, the machining tool that can connect all types of form without groove ends of upper tool heads (5), lower tool heads (1) can proximity index type, pyramid type, stretched wire type and horn,stepped or be directly connected with longitudinal vibration transducer without groove ends.
4. inclined beam type Hybrid transducer Vibration changer according to claim 3, is characterized in that, the interior circular diameter of described middle linkage section (2) is slightly larger than the diameter of studs (3).
5. inclined beam type Hybrid transducer Vibration changer according to claim 4, it is characterized in that, described upper tool heads (5) end is provided with four and is uniformly distributed tool heads groove (6) on plane, and described middle linkage section (2) end is also provided with four and is uniformly distributed linkage section groove (9) in the middle of plane; Described four cant beam (4) two ends are equipped with plane convex platform (7) and plane lower convex platform (8), and described plane convex platform (7) and plane lower convex platform (8) form connected structure with linkage section groove (9) is corresponding in the middle of tool heads groove (6) on plane and plane respectively.
6. inclined beam type Hybrid transducer Vibration changer according to claim 5, it is characterized in that, described four cant beam (4) structures are identical, and this cant beam (4) inner side is plane, cant beam (4) outside is curved surface, and engages with the outer round surface of upper tool heads (5) and middle linkage section (2).
CN201310487282.8A 2013-11-25 2013-11-25 Inclined beam type Hybrid transducer Vibration changer Active CN103521414B (en)

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Publication number Priority date Publication date Assignee Title
CN104999138B (en) * 2015-07-24 2017-07-14 浙江大学 Automation micromachining device based on acoustic pressure power
CN108145783B (en) * 2018-01-05 2020-02-07 南京工程学院 Mechanical torsional vibration table based on synchronous cam

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CN101777853A (en) * 2010-01-12 2010-07-14 南京航空航天大学 d31-effect based unidirectional chip longitudinal-torsional compound ultrasonic motor
CN102185519A (en) * 2011-05-11 2011-09-14 南京航空航天大学 Mode conversion type piezoelectric thread transmission linear ultrasonic motor
CN102294323A (en) * 2011-06-28 2011-12-28 河南理工大学 Single-excitation longitudinal-twisted compound vibration converting device
CN204170913U (en) * 2014-10-10 2015-02-25 河南理工大学 A kind of Novel inclined beam type Hybrid transducer Vibration changer

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Patentee after: Huizhou Green Tools Co., Ltd.

Address before: 510663 The first, second and third floors of the Portal Machine Building (Block C) of Product Yao Electronic Industry Park, No. 8, Nanyun Road, Science City, Guangzhou High-tech Industrial Development Zone, Guangdong Province

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Address before: 510663 The first, second and third floors of the Portal Machine Building (Block C) of Product Yao Electronic Industry Park, No. 8, Nanyun Road, Science City, Guangzhou High-tech Industrial Development Zone, Guangdong Province

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