CN203887350U - Piezoelectric vibrator of ultrasonic electro discharge machining device - Google Patents
Piezoelectric vibrator of ultrasonic electro discharge machining device Download PDFInfo
- Publication number
- CN203887350U CN203887350U CN201420226768.6U CN201420226768U CN203887350U CN 203887350 U CN203887350 U CN 203887350U CN 201420226768 U CN201420226768 U CN 201420226768U CN 203887350 U CN203887350 U CN 203887350U
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- balancing weight
- stack assembly
- piezoelectric vibrator
- ultrasonic
- cone
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Abstract
The utility model relates to a piezoelectric vibrator of an ultrasonic electro discharge machining device. The piezoelectric vibrator of the ultrasonic electro discharge machining device comprises a protective case, a workpiece table and an ultrasonic transducer device; the ultrasonic transducer device comprises a first balancing weight, a piezoelectric stack assembly, a second balancing weight, a mode conversion block, a connecting disc and a variable-amplitude cone; the piezoelectric stack assembly is clamped by the first balancing weight and the second balancing weight; a plurality of slanting grooves are formed in the outer circumference of the mode conversion block; the protective case is connected to one side, close to the piezoelectric stack assembly, of the connecting disc; the workpiece table is arranged at the front end of the variable-amplitude cone. The piezoelectric vibrator of the ultrasonic electro discharge machining device is characterized in that the mode conversion block with the slanting grooves is arranged between the second balancing weight and the connecting disc so that one part of the vibration wave energy generated by the piezoelectric stack assembly in the overall axial direction is converted into torsional wave energy, and consequently, a workpiece is enabled to torsionally vibrate at a high frequency while vibrating axially, and therefore, the roundness of a machined hole is improved.
Description
Technical field
The utility model relates to a kind of piezoelectric vibrator of ultrasonic edm processing unit (plant), particularly a kind of piezoelectric vibrator of ultrasonic edm processing unit (plant) of the circularity that can improve machining hole.
Background technology
In electric discharge machining apparatus, the clamping device of ultrasonic transducer and workpiece is combined into piezoelectric vibrator, in order to add man-hour, mechanical oscillation are delivered on workpiece, what between tool-electrode and workpiece, produce suction, cavitation and disturbance is used for improving processing conditions, be applicable to process the elongated orifices of large aspect ratio, improve precision and the efficiency of processing; And the circularity in hole also needs the structure of piezoelectric vibrator further to optimize.
Utility model content
The utility model object is the piezoelectric vibrator that a kind of ultrasonic edm processing unit (plant) of the circularity that can improve machining hole is provided in order to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution adopted in the utility model is: a kind of piezoelectric vibrator of ultrasonic edm processing unit (plant), comprises containment vessel, work stage and ultrasound transducer means; Described ultrasound transducer means comprises the first balancing weight, piezo-electric stack assembly, the second balancing weight, MODAL TRANSFORMATION OF A piece, terminal pad and the luffing cone that superpose successively by bolt; Described the first balancing weight and the second balancing weight clamp piezo-electric stack assembly; On the excircle of described MODAL TRANSFORMATION OF A piece, be provided with multiple oblique slots; Described containment vessel is connected to the side of terminal pad near piezo-electric stack assembly; Described work stage is arranged on the front end of luffing cone.
Preferably, described piezo-electric stack assembly comprises multiple piezoelectric ceramics that are superimposed.
Preferably, described work stage is removably disposed in the front end of luffing cone, and work stage is square, and on the four sides of work stage, is provided with fishbolt.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
The piezoelectric vibrator of the ultrasonic edm processing unit (plant) of the utility model scheme, between the second balancing weight and terminal pad, be provided with the MODAL TRANSFORMATION OF A piece of oblique slot, make that piezoelectric stack assembly produces along integral shaft to the part of vibration wave energy convert torsional wave energy to, make workpiece produce high frequency twisting vibration in axial vibration simultaneously, improved the circularity in processed hole.
Brief description of the drawings
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Accompanying drawing 1 is the partial sectional view of the piezoelectric vibrator of a kind of ultrasonic edm processing unit (plant) described in the utility model;
Accompanying drawing 2 is the right view of the piezoelectric vibrator of a kind of ultrasonic edm processing unit (plant) described in the utility model;
Wherein: 1, containment vessel; 2, work stage; 3, the first balancing weight; 4, piezo-electric stack assembly; 5, the second balancing weight; 6, MODAL TRANSFORMATION OF A piece; 7, terminal pad; 8, luffing cone; 9, fishbolt.
detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As shown in Figure 1-2, the piezoelectric vibrator of a kind of ultrasonic edm processing unit (plant) described in the utility model, comprises containment vessel 1, work stage 2 and ultrasound transducer means; Described ultrasound transducer means comprises the first balancing weight 3, piezo-electric stack assembly 4, the second balancing weight 5, MODAL TRANSFORMATION OF A piece 6, terminal pad 7 and the luffing cone 8 that superpose successively by bolt; Described the first balancing weight 3 and the second balancing weight 5 clamp piezo-electric stack assembly 4, and piezo-electric stack assembly 4 comprises multiple piezoelectric ceramics that are superimposed; On the excircle of described MODAL TRANSFORMATION OF A piece 6, be provided with multiple oblique slots; Described containment vessel 1 is connected by screw the side near piezo-electric stack assembly 4 at terminal pad 7, has line hole on containment vessel 1, for passing through to connect the wire of piezoelectric ceramics; Described work stage 2 is removably disposed in the front end of luffing cone 8, and work stage 2 is square, and is provided with the fishbolt 9 that clamping work pieces is used on the four sides of work stage 2.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
The piezoelectric vibrator of the ultrasonic edm processing unit (plant) of the utility model scheme, between the second balancing weight and terminal pad, be provided with the MODAL TRANSFORMATION OF A piece of oblique slot, make that piezoelectric stack assembly produces along integral shaft to the part of vibration wave energy convert torsional wave energy to, make workpiece produce high frequency twisting vibration in axial vibration simultaneously, improved the circularity in processed hole.
Below be only concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, within all dropping on the utility model rights protection scope.
Claims (3)
1. a piezoelectric vibrator for ultrasonic edm processing unit (plant), comprises containment vessel (1), work stage (2) and ultrasound transducer means; It is characterized in that: described ultrasound transducer means comprises the first balancing weight (3), piezo-electric stack assembly (4), the second balancing weight (5), MODAL TRANSFORMATION OF A piece (6), terminal pad (7) and the luffing cone (8) that superpose successively by bolt; Described the first balancing weight (3) and the second balancing weight (5) clamp piezo-electric stack assembly (4); On the excircle of described MODAL TRANSFORMATION OF A piece (6), be provided with multiple oblique slots; Described containment vessel (1) is connected to the side of terminal pad (7) near piezo-electric stack assembly (4); Described work stage (2) is arranged on the front end of luffing cone (8).
2. the piezoelectric vibrator of ultrasonic edm processing unit (plant) according to claim 1, is characterized in that: described piezo-electric stack assembly (4) comprises multiple piezoelectric ceramics that are superimposed.
3. the piezoelectric vibrator of ultrasonic edm processing unit (plant) according to claim 1, it is characterized in that: described work stage (2) is removably disposed in the front end of luffing cone (8), work stage (2) is square, and is provided with fishbolt (9) on the four sides of work stage (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420226768.6U CN203887350U (en) | 2014-05-06 | 2014-05-06 | Piezoelectric vibrator of ultrasonic electro discharge machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420226768.6U CN203887350U (en) | 2014-05-06 | 2014-05-06 | Piezoelectric vibrator of ultrasonic electro discharge machining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203887350U true CN203887350U (en) | 2014-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420226768.6U Expired - Fee Related CN203887350U (en) | 2014-05-06 | 2014-05-06 | Piezoelectric vibrator of ultrasonic electro discharge machining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203887350U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028867A (en) * | 2014-05-06 | 2014-09-10 | 苏州市职业大学 | Piezoelectric vibrator of ultrasonic electric spark machining device |
| CN105500533A (en) * | 2016-01-11 | 2016-04-20 | 苏州市职业大学 | Ultrasonic perforating machine |
-
2014
- 2014-05-06 CN CN201420226768.6U patent/CN203887350U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028867A (en) * | 2014-05-06 | 2014-09-10 | 苏州市职业大学 | Piezoelectric vibrator of ultrasonic electric spark machining device |
| CN105500533A (en) * | 2016-01-11 | 2016-04-20 | 苏州市职业大学 | Ultrasonic perforating machine |
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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 |
Granted publication date: 20141022 Termination date: 20150506 |
|
| EXPY | Termination of patent right or utility model |