CN101376217A - Piezoelectric type high-rigidity intermediate frequency vibrating knife handle used for producing hole - Google Patents
Piezoelectric type high-rigidity intermediate frequency vibrating knife handle used for producing hole Download PDFInfo
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- CN101376217A CN101376217A CNA2008102226721A CN200810222672A CN101376217A CN 101376217 A CN101376217 A CN 101376217A CN A2008102226721 A CNA2008102226721 A CN A2008102226721A CN 200810222672 A CN200810222672 A CN 200810222672A CN 101376217 A CN101376217 A CN 101376217A
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- piezoelectric ceramics
- vibrating shaft
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- moving cell
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Abstract
The invention discloses a piezoelectric high-rigidity and intermediate-frequency vibration tool shank used for forming holes, which is composed of a Morse taper casing (1), a conductive ring component (2), an end cover (3) and a vibrating shaft component (4), wherein the vibrating shaft component (4) is mounted in the Morse taper casing (1); the end cover (3) is mounted on a mounting surface (16) of the Morse taper casing (1), and hermetically assembled with the Morse taper casing (1) to form a hermetic inner cavity (11); and a conducting line opening (15) is reserved on the Morse taper casing (1). The vibration tool shank realizes rigid vibratory output through adopting a shaft with a special structure, thereby meeting the condition of theoretical vibration hole formation and realizing the micro-cutting capability of vibration processing, and realizes continuous adjustment of amplitude and frequency, thereby increasing applicable scope of the vibration hole formation technology.
Description
Technical field
The present invention relates to a kind of vibrating knife handle, the high rigidity intermediate frequency vibrating knife handle especially for drilling belongs to metal cutting processing and metal cutting equipment parts.
Background technology
Under the prior art condition, the hole processes especially deep hole machining, has problems such as chip removal difficulty, process system poor rigidity, and cutting effect is undesirable.The vibrating hole technology has good technological effect aspect deep hole and the processing of difficult-to-machine material hole: vibrating drill can significantly reduce drill thrust, raising boring surface quality, improves the linearity in hole, reduce outlet burr etc.; The vibration reaming can improve surface quality, reaches the effect of ream, improves working (machining) efficiency; The vibration ream can suppress the built-up edge that produces in the low speed processing, the surface quality that improves the hole.
In existing vibrating hole device, the mechanical type vibrating device is simple in structure, good rigidly, and long service life, but vibration frequency is low, and amplitude is regulated inconvenient.The power output of fluid pressure type axial vibration device is big, load capacity is strong, can process large diameter hole and deep hole, but needs to increase hydraulic system, and cost is higher.Electromagnetic type axial vibration device has simple in structure, the higher advantages such as (can to hundreds of hertz, adjust) of vibration frequency tens of, but the power of electromagnetic exciter is less, only is applicable to aperture processing.In addition, existing vibrating device generally adopts structure such as spring to produce elastic-restoring force, causes in the vibrocutting process process system rigidity too poor, is difficult to reach the condition of theoretical vibrocutting, has limited vibrating hole The Application of Technology scope.
Summary of the invention
The purpose of this invention is to provide a kind of piezoelectric type high-rigidity intermediate frequency vibrating knife handle that is used for vibrating hole, this vibrating knife handle has been realized the vibration output of rigidity by adopting the special construction axle, satisfy the condition of theoretical vibrating hole, realize the fine cutting power of vibration processing, and realized the adjustable continuously of amplitude, frequency, increased vibrating hole The Application of Technology scope.
The present invention is the piezoelectric type high-rigidity intermediate frequency vibrating knife handle that is used for drilling, is made up of Mohs awl shell (1), conducting ring assembly (2), end cap (3) and vibrating shaft assembly (4); Vibrating shaft assembly (4) is contained in the Mohs awl shell (1), end cap (3) is installed on the installed surface (16) of Mohs awl shell (1), end cap (3) has formed airtight inner chamber (11) with the sealing assembling of Mohs awl shell (1), leaves guidewire port (15) on the Mohs awl shell (1);
The centre of Mohs awl shell (1) is provided with inner chamber (11), and Mohs awl shell (1) is provided with lathe linkage section (18), linkage section (12), membrane-bound fragment (17); Inner chamber (11) is used to place vibrating shaft assembly (4); Be socketed with the conducting ring (22) of conducting ring assembly (2) on the linkage section (12), in the inner chamber (11) of membrane-bound fragment (17) diaphragm (43) is installed, and diaphragm (43) is assemblied in the inner chamber (11) of membrane-bound fragment (17) by A key (14) and A keyway (13), C keyway (404);
Conducting ring assembly (2) is made up of conducting ring shell (21) and conducting ring (22), and conducting ring (22) is socketed in the A through hole (23) of conducting ring shell (21), and the B through hole (24) of conducting ring (22) is socketed on the linkage section (12) of Mohs awl shell (1);
The center of end cap (3) is provided with C through hole (31), and C through hole (31) is used for the section of stretching out (42c) of vibrating shaft (42) to be passed through;
Vibrating shaft assembly (4) is made up of piezoelectric ceramics group (41), vibrating shaft (42), diaphragm (43), A pressing plate (44), B pressing plate (45), ball bearing (46), A baffle plate (47), B baffle plate (49), B key (48), and vibrating shaft (42) is connected with A baffle plate (47), ball bearing (46), B baffle plate (49), B pressing plate (45), piezoelectric ceramics group (41), A pressing plate (44), diaphragm (43) on from guide section (42a) to the section of stretching out (42c) in turn; Be socketed with A baffle plate (47), ball bearing (46), B baffle plate (49) on the guide section (42a), and an end face of B baffle plate (49) and B pressing plate (45) applying, the other end of B baffle plate (49) and ball bearing (46) are fitted; B pressing plate (45) is installed on the B shaft shoulder (406) of vibrating shaft (42); A pressing plate (44) is installed on the A shaft shoulder (405) of vibrating shaft (42); Piezoelectric ceramics group (41) is installed on the interlude (42b) of vibrating shaft (42); The section of stretching out (42c) of vibrating shaft (42) is passed D through hole (433) back of diaphragm (43) and is realized that by B key (48) and cooperating of B keyway (404) diaphragm (43) is installed on the section of stretching out (42c) of vibrating shaft (42); The section of stretching out (42c) of vibrating shaft (42) is provided with that B unloads tool bore (403), A unloads tool bore (402); Place ball bearing (46) between A baffle plate (47) and the B baffle plate (49); Piezoelectric ceramics group (41) is made of the identical A group piezoelectric ceramics heap (411) of structure, B group piezoelectric ceramics heap (412), C group piezoelectric ceramics heap (413), D group piezoelectric ceramics heap (414), each piezoelectric ceramics heap is made up of piezoelectric ceramic piece and electrode stack, and stacked system is that two piezoelectric ceramic pieces clip an electrode; A group piezoelectric ceramics heap (411), B group piezoelectric ceramics are piled and are provided with the gap when assembling between (412), C group piezoelectric ceramics heap (413), the D group piezoelectric ceramics heap (414).A group piezoelectric ceramics heap (411) constitutes first moving cell with C group piezoelectric ceramics heap (413), and B group piezoelectric ceramics heap (412) constitutes second moving cell with D group piezoelectric ceramics heap (414); Gap between two piezoelectric ceramics heap is being loaded with under the power supply situation, first moving cell and second moving cell is remained on vibrating shaft (42) axial do relative motion; The relative motion of first moving cell and second moving cell can make vibrating shaft (42) make double vibrations in the axial direction.
The advantage of piezoelectricity intermediate frequency vibrating knife handle of the present invention is: (one) is loading certain frequency (under frequency 200～600Hz) situations, the double vibrations that elongation and shortening by first moving cell and second moving cell causes vibrating shaft 42 has been realized the rigidity vibration of vibrating knife handle of the present invention; (2) vibrating shaft 42 is passed in the rotation of adopting diaphragm 43 that Mohs is bored shell 1, and can guarantee the vibration output of vibrating shaft, makes compact conformation of the present invention, dependable performance; (3) conducting ring assembly 2 is realized the revolution power supply of first moving cell and second moving cell.(4) be full of transformer oil in Mohs cone shell 1 chamber, can either guarantee the electric insulation of inside of the present invention, can play the effect that alleviates vibrating noise again.
Description of drawings
Fig. 1 is the external structure of the high rigidity piezoelectricity of the present invention intermediate frequency vibrating knife handle.
Fig. 2 is the part blast diagrammatic sketch of Fig. 1.
Fig. 3 is the blast diagrammatic sketch of vibrating shaft assembly of the present invention.
Fig. 4 is the structure chart of diaphragm of the present invention.
Fig. 5 is the structure chart of piezo ceramic element of the present invention.
Among the figure: 1. Mohs is bored shell 11. inner chambers 12. linkage section 13.A keyways
14.A key 15. guidewire ports 16. installed surfaces 17. membrane-bound fragments 18. lathe linkage sections
2. conducting ring assembly 21. conducting ring shells 22. conducting ring 23.A through hole 24.B through holes
3. end cap 31.C through hole 4. vibrating shaft assemblies 41. piezoelectric ceramics groups
411.A group piezoelectric ceramics heap 412.B group piezoelectric ceramics heap
413.C group piezoelectric ceramics heap 414.D group piezoelectric ceramics heap
415. electrode 416.A piezoelectric ceramic piece 417.B piezoelectric ceramic piece 41a.A gap
41b.B 41d.D gap, 41c.C gap, gap 42. vibrating shaft 42a. guide sections
42b. the interlude 42c. section of stretching out 43. diaphragm 44.A pressing plate 45.B pressing plates
46. ball bearing 47.A baffle plate 48.B key 49.B baffle plate 401. cutter installing holes
Unload the tool bore 404.B keyway 405.A shaft shoulder 406.B shaft shoulder 402.A unload tool bore 403.B
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
See also Fig. 1, shown in Figure 2, the present invention is a kind of piezoelectric type high-rigidity intermediate frequency vibrating knife handle that is used for vibrating hole, is made up of Mohs awl shell 1, conducting ring assembly 2, end cap 3 and vibrating shaft assembly 4.Vibrating shaft assembly 4 is contained in the Mohs awl shell 1, and end cap 3 is installed on the installed surface 16 of Mohs awl shell 1, and end cap 3 has formed airtight inner chamber 11 with the sealing assembling of Mohs awl shell 1, has guaranteed the not outer seepage of transformer oil.Leaving guidewire port 15 on the Mohs awl shell 1 provides vibrating shaft assembly 4 required power supply for conducting ring assembly 2.Whole vibrating knife handle of the present invention is contained in the spindle hole of lathe or boring machine, provides rotatablely moving of high rigidity vibrating knife handle by machine tool chief axis.
See also Fig. 2, shown in Figure 4, be cavity (being inner chamber 11) in the middle of Mohs awl shell 1 is designed to, the outside is multisection type (lathe linkage section 18, linkage section 12, membrane-bound fragment a 17) structure; Inner chamber 11 is used to place vibrating shaft assembly 4; Lathe linkage section 18 is used for being connected with lathe, drives structure of the present invention by lathe and is rotated motion; Be socketed with the conducting ring 22 of conducting ring assembly 2 on the linkage section 12, under Mohs awl shell 1 transhipment situation, conducting ring 22 is 4 power supplies of vibrating shaft assembly; In the inner chamber 11 of membrane-bound fragment 17 diaphragm 43 is installed, and diaphragm 43 is assemblied in the inner chamber 11 of membrane-bound fragment 17 by A key 14 and A keyway 13, C keyway 431, be used under the situation that Mohs awl shell 1 rotates, diaphragm 43, vibrating shaft assembly 4 being rotated in the same way, guaranteed the rotating accuracy of vibrating shaft assembly 4.
See also shown in Figure 2ly, conducting ring assembly 2 is made up of conducting ring shell 21 and conducting ring 22, and conducting ring 22 is socketed in the A through hole 23 of conducting ring shell 21, and the B through hole 24 of conducting ring 22 is socketed on the linkage section 12 of Mohs awl shell 1; Promptly the B through hole 24 by conducting ring 22 makes conducting ring assembly 2 be socketed on the linkage section 12 of Mohs awl shell 1, and conducting ring 22 can be along with transhipment under the situation that Mohs awl shell 1 rotates, and conducting ring shell 21 is with conducting ring 22 transhipments.
See also shown in Figure 2ly, the center of end cap 3 is provided with C through hole 31, and the section of the stretching out 42c that C through hole 31 is used for vibrating shaft 42 passes through; End cap 3 is installed on the installed surface 16 of Mohs awl shell 1, makes the inner chamber 11 of Mohs awl shell 1 form a closed chamber, in the inner chamber 11 transformer oil is arranged.
See also Fig. 2, shown in Figure 3, vibrating shaft assembly 4 is made up of piezoelectric ceramics group 41, vibrating shaft 42, diaphragm 43, A pressing plate 44, B pressing plate 45, ball bearing 46, A baffle plate 47, B baffle plate 49, B key 48, and vibrating shaft 42 is connected with A baffle plate 47, ball bearing 46, B baffle plate 49, B pressing plate 45, piezoelectric ceramics group 41, A pressing plate 44, diaphragm 43 on from guide section 42a to the section of stretching out 42c in turn; Be socketed with A baffle plate 47, ball bearing 46, B baffle plate 49 on the guide section 42a, and an end face of B baffle plate 49 and 45 applyings of B pressing plate, the other end of B baffle plate 49 and ball bearing 46 are fitted; B pressing plate 45 is installed on the B shaft shoulder 406 of vibrating shaft 42; A pressing plate 44 is installed on the A shaft shoulder 405 of vibrating shaft 42; Piezoelectric ceramics group 41 is installed on the interlude 42b of vibrating shaft 42; The section of the stretching out 42c of vibrating shaft 42 passes D through hole 433 backs of diaphragm 43 and realizes that by B key 48 and cooperating of B keyway 404 diaphragm 43 is installed on the section of the stretching out 42c of vibrating shaft 42; The section of the stretching out 42c of vibrating shaft 42 is provided with that B unloads tool bore 403, A unloads tool bore 402, and B unloads tool bore 403, A and unloads tool bore 402 and be used to dismantle cutter by 401 assemblings of cutter installing hole.Place ball bearing 46 between A baffle plate 47 and the B baffle plate 49.
See also Fig. 3, shown in Figure 5, piezoelectric ceramics group 41 is made of the identical A group piezoelectric ceramics heap 411 of structure, B group piezoelectric ceramics heap 412, C group piezoelectric ceramics heap 413, D group piezoelectric ceramics heap 414, each piezoelectric ceramics heap is made up of piezoelectric ceramic piece and electrode stack, stacked system is that two piezoelectric ceramic pieces clip an electrode, electrode adopts copper sheet, promptly clips electrode 415 between A piezoelectric ceramic piece 416 and the B piezoelectric ceramic piece 417; Be provided with the gap between A group piezoelectric ceramics heap 411, B group piezoelectric ceramics heap 412, C group piezoelectric ceramics heap 413, the D group piezoelectric ceramics heap 414 during assembling, be to be A gap 41a between A group piezoelectric ceramics heap 411 and the B group piezoelectric ceramics heap 412, between B group piezoelectric ceramics heap 412 and the C group piezoelectric ceramics heap 413 is B gap 41b, between C group piezoelectric ceramics heap 413 and the D group piezoelectric ceramics heap 414 is C gap 41c, is D gap 41d between D group piezoelectric ceramics heap 414 and the A group piezoelectric ceramics heap 411; A group piezoelectric ceramics heap 411 constitutes first moving cell with C group piezoelectric ceramics heap 413, and B group piezoelectric ceramics heap 412 constitutes second moving cell with D group piezoelectric ceramics heap 414; One end of first moving cell and B pressing plate 45 are fitted, and the A shaft shoulder 405 of the other end and vibrating shaft 42 is fitted, and an end of second moving cell and A pressing plate 44 are fitted, and the B shaft shoulder 406 of the other end and vibrating shaft 42 is fitted; Gap between two piezoelectric ceramics heap is being loaded with under the power supply situation, first moving cell and second moving cell is remained on vibrating shaft 42 axial do relative motion; The relative motion of first moving cell and second moving cell can make vibrating shaft 42 make double vibrations in the axial direction.
The operation principle of piezoelectric type high-rigidity intermediate frequency vibrating knife handle that the present invention is used for drilling is as follows: after AC power is connected, first moving cell extends under the piezo-electric effect effect, and second moving cell was in shortening took place under the inverse piezoelectric effect effect this moment, thereby made vibrating shaft 42 move right under the promotion of first moving cell (referring to shown in Figure 3).On the contrary, when second moving cell extended under piezo-electric effect, first moving cell was in inverse piezoelectric effect and shortened this moment, and second moving cell promotion vibrating shaft 42 of elongation is moved to the left (referring to shown in Figure 3) thus.Alternately elongation-the shortening of first moving cell and second moving cell has produced the double vibrations of vibrating shaft 42.
Piezoelectric type high-rigidity intermediate frequency vibrating knife handle of the present invention is contained in the machine tool chief axis, can be used for drill processes such as vibrating drill, reaming, fraising, and can guarantee the desired cut state of vibrocutting.
Claims (3)
1, a kind of piezoelectric type high-rigidity intermediate frequency vibrating knife handle that is used for drilling is characterized in that: be made up of Mohs awl shell (1), conducting ring assembly (2), end cap (3) and vibrating shaft assembly (4); Vibrating shaft assembly (4) is contained in the Mohs awl shell (1), end cap (3) is installed on the installed surface (16) of Mohs awl shell (1), end cap (3) has formed airtight inner chamber (11) with the sealing assembling of Mohs awl shell (1), leaves guidewire port (15) on the Mohs awl shell (1);
The centre of Mohs awl shell (1) is provided with inner chamber (11), and Mohs awl shell (1) is provided with lathe linkage section (18), linkage section (12), membrane-bound fragment (17); Inner chamber (11) is used to place vibrating shaft assembly (4); Be socketed with the conducting ring (22) of conducting ring assembly (2) on the linkage section (12), in the inner chamber (11) of membrane-bound fragment (17) diaphragm (43) is installed, and diaphragm (43) is assemblied in the inner chamber (11) of membrane-bound fragment (17) by A key (14) and A keyway (13), C keyway (404);
Conducting ring assembly (2) is made up of conducting ring shell (21) and conducting ring (22), and conducting ring (22) is socketed in the A through hole (23) of conducting ring shell (21), and the B through hole (24) of conducting ring (22) is socketed on the linkage section (12) of Mohs awl shell (1);
The center of end cap (3) is provided with C through hole (31), and C through hole (31) is used for the section of stretching out (42c) of vibrating shaft (42) to be passed through;
Vibrating shaft assembly (4) is made up of piezoelectric ceramics group (41), vibrating shaft (42), diaphragm (43), A pressing plate (44), B pressing plate (45), ball bearing (46), A baffle plate (47), B baffle plate (49), B key (48), and vibrating shaft (42) is connected with A baffle plate (47), ball bearing (46), B baffle plate (49), B pressing plate (45), piezoelectric ceramics group (41), A pressing plate (44), diaphragm (43) on from guide section (42a) to the section of stretching out (42c) in turn; Be socketed with A baffle plate (47), ball bearing (46), B baffle plate (49) on the guide section (42a), and an end face of B baffle plate (49) and B pressing plate (45) applying, the other end of B baffle plate (49) and ball bearing (46) are fitted; B pressing plate (45) is installed on the B shaft shoulder (406) of vibrating shaft (42); A pressing plate (44) is installed on the A shaft shoulder (405) of vibrating shaft (42); Piezoelectric ceramics group (41) is installed on the interlude (42b) of vibrating shaft (42); The section of stretching out (42c) of vibrating shaft (42) is passed D through hole (433) back of diaphragm (43) and is realized that by B key (48) and cooperating of B keyway (404) diaphragm (43) is installed on the section of stretching out (42c) of vibrating shaft (42); The section of stretching out (42c) of vibrating shaft (42) is provided with that B unloads tool bore (403), A unloads tool bore (402); Place ball bearing (46) between A baffle plate (47) and the B baffle plate (49); Piezoelectric ceramics group (41) is made of the identical A group piezoelectric ceramics heap (411) of structure, B group piezoelectric ceramics heap (412), C group piezoelectric ceramics heap (413), D group piezoelectric ceramics heap (414), each piezoelectric ceramics heap is made up of piezoelectric ceramic piece and electrode stack, and stacked system is that two piezoelectric ceramic pieces clip an electrode; A group piezoelectric ceramics heap (411), B group piezoelectric ceramics are piled and are provided with the gap when assembling between (412), C group piezoelectric ceramics heap (413), the D group piezoelectric ceramics heap (414).
2, the piezoelectric type high-rigidity intermediate frequency vibrating knife handle that is used for drilling according to claim 1, it is characterized in that: A group piezoelectric ceramics heap (411) constitutes first moving cell with C group piezoelectric ceramics heap (413), and B group piezoelectric ceramics heap (412) constitutes second moving cell with D group piezoelectric ceramics heap (414); Gap between two piezoelectric ceramics heap is being loaded with under the power supply situation, first moving cell and second moving cell is remained on vibrating shaft (42) axial do relative motion; The relative motion of first moving cell and second moving cell can make vibrating shaft (42) make double vibrations in the axial direction.
3, the piezoelectric type high-rigidity intermediate frequency vibrating knife handle that is used for drilling according to claim 1, it is characterized in that: after AC power is connected, first moving cell extends under the direct piezoelectric effect effect, and second moving cell was in shortening took place under the inverse piezoelectric effect effect this moment, thereby vibrating shaft (42) is moved right under the promotion of first moving cell; On the contrary, when second moving cell extended under direct piezoelectric effect, first moving cell was in inverse piezoelectric effect and shortened this moment, and second moving cell promotion vibrating shaft (42) of elongation is moved to the left thus; Alternately elongation-the shortening of first moving cell and second moving cell has produced the double vibrations of vibrating shaft (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008102226721A CN100566927C (en) | 2008-09-22 | 2008-09-22 | A kind of piezoelectric type high-rigidity intermediate frequency vibrating knife handle that is used for drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008102226721A CN100566927C (en) | 2008-09-22 | 2008-09-22 | A kind of piezoelectric type high-rigidity intermediate frequency vibrating knife handle that is used for drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101376217A true CN101376217A (en) | 2009-03-04 |
| CN100566927C CN100566927C (en) | 2009-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2008102226721A Expired - Fee Related CN100566927C (en) | 2008-09-22 | 2008-09-22 | A kind of piezoelectric type high-rigidity intermediate frequency vibrating knife handle that is used for drilling |
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| CN (1) | CN100566927C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624461A (en) * | 2014-12-25 | 2015-05-20 | 北京航空航天大学 | Lateral simulative type ultrasonic elliptic vibration milling knife handle |
-
2008
- 2008-09-22 CN CNB2008102226721A patent/CN100566927C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624461A (en) * | 2014-12-25 | 2015-05-20 | 北京航空航天大学 | Lateral simulative type ultrasonic elliptic vibration milling knife handle |
| CN104624461B (en) * | 2014-12-25 | 2017-05-17 | 北京航空航天大学 | Lateral simulative type ultrasonic elliptic vibration milling knife handle |
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| Publication number | Publication date |
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| CN100566927C (en) | 2009-12-09 |
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Granted publication date: 20091209 Termination date: 20100922 |