CN102648873A - Engine bit - Google Patents
Engine bit Download PDFInfo
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- CN102648873A CN102648873A CN2011100476419A CN201110047641A CN102648873A CN 102648873 A CN102648873 A CN 102648873A CN 2011100476419 A CN2011100476419 A CN 2011100476419A CN 201110047641 A CN201110047641 A CN 201110047641A CN 102648873 A CN102648873 A CN 102648873A
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- lock shaft
- dental drill
- driving device
- drill point
- drill
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Abstract
The embodiment of the invention discloses an engine bit, which comprises a movement holder, a driving device, a drill point, a locating sleeve, a locking shaft, a spring and a camshaft, wherein the movement holder is arranged on the engine body of the engine bit; a movement is arranged in the movement holder; the driving device is arranged in the movement; the drill point can be detachably arranged on the driving device and coaxially rotates with the driving device; the locating sleeve is arranged on the movement holder and is provided with a mounting hole; the mounting hole is a stepped hole; the locking shaft is arranged in the mounting hole and is circumferentially located; the front end of the locking shaft is provided with a connecting end which can be embedded into the driving device; and the locking shaft is a stepped shaft; the spring is arranged between the locating sleeve and the locking shaft and is respectively abutted and located with the locating sleeve and the locking shaft; and the camshaft is arranged on the engine body, can rotate around the self axis and is contacted with the end surface of the rear end of the locking shaft. The engine bit provided by the embodiment of the invention is convenient to disassemble and assemble the drill point.
Description
Technical field
The present invention relates to artificial tooth processing equipment technical field, more particularly, relate to a kind of dental drill.
Background technology
Tooth defect is human commonly encountered diseases; Except tooth defect; Deformity teeth also is the problem that can not be ignored, and along with living condition's improvement, people more and more pay attention to dental health; Simultaneously tooth reparation attractive in appearance had higher requirement, the artificial tooth reparation is the unique way that addresses these problems at present.
Along with development of material technology; The series of advantages of bioceramic obtains fast development in the Oral Repair field; All considerably beyond the metal alloy compositions of conventional, full porcelain repair to denture is identified as the main direction of future development to the artificial tooth that pure ceramic material is made in artificial tooth reparation field on performance, biocompatibility, service life and visual appearance.
But the full porcelain reparation of artificial tooth can only be by means of the machine-shaping automatically of CAD/CAM technology; Dental drill is a topmost instrument in the whole artificial tooth repair process, through the drill point that is arranged on its end bioceramic is carried out grinding-shaping, in the existing artificial tooth system of processing; Drill point carries out grinding to bioceramic; And dental drill is the elbow dental drill, needs special spanner that drill point is dismantled, and dismounting is inconvenient.
Summary of the invention
In view of this, the invention provides a kind of dental drill, so that a kind of dental drill of drill point easy accessibility to be provided.
In order to achieve the above object, the embodiment of the invention provides following technical scheme:
A kind of dental drill comprises:
Be arranged on the core base on the body of said dental drill, be provided with movement in this core base; Be arranged on the driving device in the said movement; Be removably disposed on the said driving device, and with the drill point of the coaxial rotation of said driving device;
Also comprise:
Be arranged on the positioning sleeve on the said core base, it is provided with installing hole, and this installing hole is a shoulder hole;
Be arranged in the said installing hole, and circumferential localized lock shaft, its front end is provided with the link that can be embedded in the said driving device, and said lock shaft is a multidiameter;
Be arranged between said positioning sleeve and the lock shaft, and respectively with both localized springs that offsets;
Be arranged on the said body, can rotate around self axis, and the camshaft that contacts with the rear end end face of said lock shaft.
Preferably, in the above-mentioned dental drill, said lock shaft has the mating surface that prevents that it from rotating with respect to said installing hole.
Preferably, in the above-mentioned dental drill, said lock shaft is provided with locating shaft, and said locating shaft is arranged in the locating slot on the core base that prevents said lock shaft rotation.
Preferably, in the above-mentioned dental drill, the bearing of trend of said locating slot is vertical with the axis direction of said lock shaft.
Preferably, in the above-mentioned dental drill, the end of said locating shaft is provided with flat recess.
Preferably, in the above-mentioned dental drill, said driving device is a turbine, and said movement is provided with the turbine chamber of holding said turbine and the high pressure admission hole that communicates with said turbine chamber.
Preferably, in the above-mentioned dental drill, said core base is provided with the liquid coolant spray orifice, and it extends along the direction near said drill point.
Preferably, in the above-mentioned dental drill, the quantity of said liquid coolant spray orifice is two, and is distributed in the both sides of said drill point symmetrically.
Preferably, in the above-mentioned dental drill, said drill point is the diamond drill point.
Preferably, in the above-mentioned dental drill, said body is a cylinder, comprising:
Fuselage, it is a cylinder-like structure, said core base is arranged on an end of said fuselage;
Be arranged on the plug of the said fuselage other end; It is provided with liquid coolant joint and high pressure admission joint; Said liquid coolant joint is connected with said liquid coolant spray orifice through the pipeline that is arranged in the said fuselage, and said high pressure admission joint is connected with said high pressure admission hole through the pipeline that is arranged in the said fuselage.
In the dental drill that the embodiment of the invention provides; In the process of drill point dismounting, the rotating cam axle, lock shaft moves along the direction of installing hole under the effect of camshaft; The link of the lock shaft that makes simultaneously is embedded in the driving device; Thereby make driving device axially fixing, this moment is the dismounting drill point easily, has made things convenient for the dismounting to drill point.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the dental drill that Fig. 1 provides for the embodiment of the invention;
Fig. 2 is the cutaway view of Fig. 1.
The specific embodiment
For quote and know for the purpose of, now the term that occurs among the embodiment is made an explanation as follows:
CAD is the abbreviation of Computer Aided Design, refers to utilize computer and graphics device thereof to help the designer to carry out design work.
CAM is the abbreviation of computer Aided Manufacturing, refers to computer utility in the process or the system that make production process.
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope of the present invention's protection.
The invention provides a kind of dental drill, made things convenient for the dismounting of drill point in the replacing process.
Please refer to accompanying drawing 1-2, the structural representation of the dental drill that Fig. 1 provides for the embodiment of the invention, Fig. 2 is the cutaway view of Fig. 1.
The dental drill that the embodiment of the invention provides comprises body 4, core base 3, movement 1, drill point 10, driving device, positioning sleeve 6, lock shaft 9, spring 7 and camshaft 5, wherein:
Driving device is arranged in the movement 1, and drill point 10 is removably disposed on the driving device, and with the coaxial rotation of driving device;
Positioning sleeve 6 is arranged on the core base 3, and this positioning sleeve 6 is provided with installing hole, and this installing hole is a shoulder hole;
Spring 7 is arranged between positioning sleeve 6 and the lock shaft 9, and respectively with both location that offsets;
Camshaft 5 is arranged on the body 4, can rotate around self axis, and the work surface of this camshaft 5 contacts with the rear end end face of lock shaft 9.
In the dental drill that the embodiment of the invention provides, be arranged on drive device drives drill point in the movement 1 and be rotated and then carry out grinding work, in the process of changing drill point 10; Rotating cam axle 5, lock shaft 9 axially move in installing hole under the effect of camshaft 5, and its link is embedded in the driving device; Because lock shaft 9 circumferentially is positioned in the installing hole, so driving device is circumferentially located, can carry out dismounting this moment with drill point 10; After drill point 10 dismounting finish; Rotate camshaft 5, this moment, lock shaft 9 resetted under the effect of spring 7, and realization lock shaft 9 is separated with driving device.Need adopt fixed instrument that driving device is fixed with respect to dental drill in the prior art, and then the mode of dismounting drill point 10, the dental drill that the embodiment of the invention provides has made things convenient for the dismounting to drill point 10.
In the dental drill that provides in the present embodiment, drill point 10 is being carried out in the process of dismounting, its emphasis is that driving device is fixed; And then with drill point 10 dismounting, prevent drill point 10 in the process of dismounting with rotation of driving device, so after lock shaft 9 is embedded in the driving device; Because lock shaft 9 is circumferentially located, so limited the rotation of driving device, above-mentioned realization lock shaft 9 circumferential localized modes have multiple; For example; Lock shaft 9 has and prevents its mating surface with respect to installing hole rotation, and for example the cross section of mating surface is ellipse, polygon etc., prevents that lock shaft 9 from rotating in installing hole.Can also realize the circumferential location of lock shaft 9 through other mode, please refer to accompanying drawing 2, locating shaft 8 is set on lock shaft 9, core base 3 is provided with locating slot 31, and locating shaft 8 is arranged in the locating slot 31 that prevents lock shaft 9 rotations.Above-mentioned locating slot 31 is placement positioning axle 8 just, and 8 rotations of restriction locating shaft, and then realization lock shaft 9 is circumferentially located.In order further to optimize technique scheme, the bearing of trend of locating slot 31 is vertical with the axis direction of lock shaft 9.
For easy to operate; The end that above-mentioned camshaft 5 exposes to said body 4 is provided with operating groove; Be embedded into the rotation of operating in the operating groove with realization camshaft 5 through instrument, please refer to Fig. 1, this operating groove preferably adopts yi word pattern groove 51; Made things convenient for rotary manipulation, can judge through the sensing of yi word pattern groove 51 which kind of duty camshaft 5 is in addition camshaft 5.
The effect of driving device is to drive drill point 10 rotations, and driving device can adopt motor, also can adopt other rotation driving part.Adopt motor as power source, motor speed is slow, makes that the linear velocity of drill point is lower; So not only feasible low to the grinding efficiency of artificial tooth, and the surface roughness of artificial tooth is higher, and the surface of denture quality that processes is low; The driving device that adopts in the embodiment of the invention is a turbine, please refer to accompanying drawing 2, specifically is that movement 1 is provided with the turbine chamber of holding turbine and the high pressure admission hole 14 that is connected with said turbine chamber; Through the rotation of drive of high-pressure gas turbine, drive drill point 10 rotations simultaneously, adopt driven by motor drill point 10 to rotate the mode of carrying out the artificial tooth grinding with respect to existing dental drill; The turbine that gases at high pressure promote has higher speed, has improved the rotating speed of drill point 10 in the dental drill that the embodiment of the invention provides, and then has improved the grinding speed to artificial tooth; And then improved working (machining) efficiency to artificial tooth; Because the raising of grinding speed makes the roughness of artificial tooth reduce, and has improved the surface quality of artificial tooth.Adopt high pressure gas to drive turbine drive drill point and carry out grinding, than the work of driven by motor drill point, the noise when having reduced grinding.
The mode of above-mentioned employing turbine drive drill point 10, in the process of dismounting drill point 10, rotating cam axle 5; Camshaft 5 is with lock shaft 9 jacking forward, and the link of lock shaft 9 is embedded in the turbine, and realizes being connected with turbine; Because lock shaft 9 can't be rotated in installing hole, promptly this moment, turbine was fixing by circumferentially, and screw down old drill point this moment from turbine; The new drill point on the new clothes of laying equal stress on, when drill point 10 change finish after, rotating cam axle 5; Lock shaft 9 resets under the effect of spring 7, and realization separates with turbine.
Above-mentioned dental drill is in the process of work, and drill point 10 grinding bioceramices can produce great amount of heat, need cool off in time drill point 10; Adopt the mode of atomized water spray that drill point is cooled off in the existing dental drill, but cooling effect is not good, in order to address the above problem; In the dental drill of present embodiment; Core base 3 is provided with liquid coolant spray orifice 101, and liquid coolant is sprayed onto on the drill point 10 through liquid coolant spray orifice 101, in time drill point 10 is cooled off; Adopt liquid coolant to cool off, improved cooling effect drill point 10.Above-mentioned liquid coolant spray orifice 101 extends along the direction near said drill point 10.The arrangement of certain above-mentioned liquid coolant spray orifice 101 is not limited to this, and other arrangement can also be arranged.
In order further to improve cooling effect to drill point 10; The quantity of above-mentioned liquid coolant spray orifice 101 can be for a plurality of; Also can be evenly distributed in drill point 10 around, please refer to accompanying drawing 2, in the dental drill that provides in the present embodiment; The quantity that is arranged on the liquid coolant spray orifice 101 on the movement 1 is two, and is distributed in the both sides of said drill point 10 symmetrically.
Certainly, above-mentioned drill point 10 can be used drill point for various forms of dental drills, and in order further to optimize above-mentioned technical scheme, above-mentioned drill point 10 is the diamond drill point.
Existing dental drill out-of-shape; Generally be applicable to manual reconditioning, can't be applied in Dental CAD/CAM system, in the dental drill that provides in the present embodiment; The body 4 of dental drill is cylindrical, and body 4 directly can be installed in Dental CAD/CAM system through linear bearing and carry out work.
In the above-mentioned dental drill, body 4 comprises: fuselage 17, plug 11 and be arranged on the pipeline (not shown) in the fuselage 17, wherein:
When the quantity of liquid coolant spray orifice 101 is two; The pipeline of above-mentioned conveying liquid coolant is connected with two liquid coolant spray orifices respectively through hole on the fuselage 17 15 and hole 16; Reach connection apace for ease, the entrance point of above-mentioned liquid coolant spray orifice 101 is provided with snap joint 2;
The pipeline of above-mentioned conveying gases at high pressure is connected with high pressure admission hole 14 through the hole on the fuselage 17 18.
Certainly, a kind of mode in the course of conveying of above-mentioned just liquid coolant and high pressure gas can also be carried through other mode, and the mode of for example in fuselage 17, establishing secret tunnel realizes the conveying of liquid coolant and high pressure gas etc.
The fuselage 17 of above-mentioned dental drill adopts cylinder-like structure; And will carry the pipeline of gases at high pressure and the pipeline of carrying liquid coolant to set within it; Pipeline is transported to respectively in high pressure admission hole 14 and the liquid coolant spray orifice 101 through the hole that is arranged on its barrel, makes a part of pipeline be arranged in the fuselage 17 like this, has at first saved the space; Secondly, made things convenient for the layout of pipeline.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. dental drill comprises:
Be arranged on the core base (3) on the body (4) of said dental drill, be provided with movement (1) in this core base (3); Be arranged on the driving device in the said movement (1); Be removably disposed on the said driving device, and with the drill point (10) of the coaxial rotation of said driving device;
It is characterized in that, also comprise:
Be arranged on the positioning sleeve (6) on the said core base (3), it is provided with installing hole, and this installing hole is a shoulder hole;
Be arranged in the said installing hole, and circumferential localized lock shaft (9), its front end is provided with the link that can be embedded in the said driving device, and said lock shaft is a multidiameter;
Be arranged between said positioning sleeve (6) and the lock shaft (9), and respectively with both localized springs (7) that offsets;
Be arranged on the said body (4), can rotate around self axis, and the camshaft (5) that contacts with the rear end end face of said lock shaft (9).
2. dental drill according to claim 1 is characterized in that, said lock shaft (9) has the mating surface that prevents that it from rotating with respect to said installing hole.
3. dental drill according to claim 1 is characterized in that, said lock shaft (9) is provided with locating shaft (8), and said locating shaft (8) is arranged in the locating slot (31) on the core base (3) that prevents said lock shaft (9) rotation.
4. dental drill according to claim 3 is characterized in that, the bearing of trend of said locating slot (31) is vertical with the axis direction of said lock shaft (9).
5. dental drill according to claim 4 is characterized in that, the end of said locating shaft (8) is provided with flat recess (51).
6. according to any described dental drill among the claim 1-5, it is characterized in that said driving device is a turbine, said movement (1) is provided with the turbine chamber of holding said turbine and the high pressure admission hole (14) that communicates with said turbine chamber.
7. dental drill according to claim 6 is characterized in that, said core base (3) is provided with liquid coolant spray orifice (101), and it extends along the direction near said drill point (10).
8. dental drill according to claim 7 is characterized in that, the quantity of said liquid coolant spray orifice (101) is two, and is distributed in the both sides of said drill point (10) symmetrically.
9. dental drill according to claim 1 is characterized in that, said drill point (10) is the diamond drill point.
10. dental drill according to claim 1 is characterized in that, said body (4) is a cylinder, comprising:
Fuselage (17), it is a cylinder-like structure, said core base (3) is arranged on an end of said fuselage (17);
Be arranged on the plug (11) of said fuselage (17) other end; It is provided with liquid coolant joint (12) and high pressure admission joint (13); Said liquid coolant joint (12) is connected with said liquid coolant spray orifice (101) through the pipeline that is arranged in the said fuselage (17), and said high pressure admission joint (13) is connected with said high pressure admission hole (14) through the pipeline that is arranged in the said fuselage (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110047641.9A CN102648873B (en) | 2011-02-28 | 2011-02-28 | Engine bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110047641.9A CN102648873B (en) | 2011-02-28 | 2011-02-28 | Engine bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102648873A true CN102648873A (en) | 2012-08-29 |
| CN102648873B CN102648873B (en) | 2014-10-22 |
Family
ID=46691109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110047641.9A Active CN102648873B (en) | 2011-02-28 | 2011-02-28 | Engine bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102648873B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213941U (en) * | 1987-10-06 | 1988-06-29 | 李玉繁 | Portable electric tooth drill |
| CA2114299A1 (en) * | 1993-02-01 | 1994-08-02 | Patrick Peltier | Drive apparatuses, called "contra-angles", for rotary instruments used in bone surgery, especially in dental surgery |
| EP0727190A1 (en) * | 1995-02-17 | 1996-08-21 | CASTELLINI S.p.A. | An adapter for dental handpieces |
| DE19817178A1 (en) * | 1997-04-17 | 1998-10-29 | Faro Spa | Manual control for laboratory micro-motors with tool collet chuck |
| CN2691511Y (en) * | 2003-11-03 | 2005-04-13 | 郑平 | High speed air-turbo hand drill for dental use |
| CN1802130A (en) * | 2003-03-13 | 2006-07-12 | 杰里·W·布朗宁 | Disposable dental instrument |
| CN1879576A (en) * | 2005-06-15 | 2006-12-20 | 比恩-空气控股有限公司 | Handpiece for dental or surgical use with an elastic collet |
| US20100248177A1 (en) * | 2009-03-26 | 2010-09-30 | W&H Dentalwerk Bürmoos GmbH | Medical or dental handpiece with inductive coupling |
| CN202051830U (en) * | 2011-02-28 | 2011-11-30 | 苏州大学 | Dental drill |
-
2011
- 2011-02-28 CN CN201110047641.9A patent/CN102648873B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213941U (en) * | 1987-10-06 | 1988-06-29 | 李玉繁 | Portable electric tooth drill |
| CA2114299A1 (en) * | 1993-02-01 | 1994-08-02 | Patrick Peltier | Drive apparatuses, called "contra-angles", for rotary instruments used in bone surgery, especially in dental surgery |
| EP0727190A1 (en) * | 1995-02-17 | 1996-08-21 | CASTELLINI S.p.A. | An adapter for dental handpieces |
| DE19817178A1 (en) * | 1997-04-17 | 1998-10-29 | Faro Spa | Manual control for laboratory micro-motors with tool collet chuck |
| CN1802130A (en) * | 2003-03-13 | 2006-07-12 | 杰里·W·布朗宁 | Disposable dental instrument |
| CN2691511Y (en) * | 2003-11-03 | 2005-04-13 | 郑平 | High speed air-turbo hand drill for dental use |
| CN1879576A (en) * | 2005-06-15 | 2006-12-20 | 比恩-空气控股有限公司 | Handpiece for dental or surgical use with an elastic collet |
| US20100248177A1 (en) * | 2009-03-26 | 2010-09-30 | W&H Dentalwerk Bürmoos GmbH | Medical or dental handpiece with inductive coupling |
| CN202051830U (en) * | 2011-02-28 | 2011-11-30 | 苏州大学 | Dental drill |
Non-Patent Citations (2)
| Title |
|---|
| 陈文忠: "高速气涡轮牙钻", 《口腔材料器械杂志》 * |
| 齐从谦等: "一次性高速牙科手机创新设计及动力学分析", 《同济大学学报(自然科学版)》 * |
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| CN102648873B (en) | 2014-10-22 |
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Effective date of registration: 20201118 Address after: 226600 no.428, Zhennan Road, Haian City, Nantong City, Jiangsu Province Patentee after: Haian Taiyuan University of Science and Technology Research and Development Center for High end Equipment and Rail Transit Technology Address before: 215123 No. 199 benevolence Road, Suzhou Industrial Park, Jiangsu, China Patentee before: Suzhou University |