CN104690632A - Titanium alloy artificial joint surface turbulence precision machining method and device - Google Patents
Titanium alloy artificial joint surface turbulence precision machining method and device Download PDFInfo
- Publication number
- CN104690632A CN104690632A CN201510077279.8A CN201510077279A CN104690632A CN 104690632 A CN104690632 A CN 104690632A CN 201510077279 A CN201510077279 A CN 201510077279A CN 104690632 A CN104690632 A CN 104690632A
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- China
- Prior art keywords
- artificial joint
- titanium alloy
- alloy artificial
- profiling
- runner
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
Abstract
The invention discloses a titanium alloy artificial joint surface turbulence precision machining method and device. The titanium alloy artificial joint surface turbulence precision machining method is characterized in that a special square machining device is used to form a copying flow passage for machining a titanium alloy artificial joint prosthesis with the titanium alloy artificial joint prosthesis, the rapid flow of a solid-liquid two-phase abrasive particle flow in the copying flow passage is used for forming full turbulence, and abrasive particles in the solid-liquid two-phase abrasive particle flow are used for performing unordered micro force and micro cutting on the titanium alloy artificial joint prosthesis; in the machining process, high-pressure gas is intermittently introduced into the copying flow passage and impacts the abrasive particles to distribute towards workpieces so as to improve the probability of collision of the abrasive particles to the surface of the titanium alloy artificial joint prosthesis and prevent the abrasive particles from submerging into the bottom of the copying flow passage. The titanium alloy artificial joint surface turbulence precision machining device is simple in structure and easy in design; a copying end cover forms good copying with the surface of the titanium alloy artificial joint prosthesis; the soft abrasive particle flow can be in good contact with the surface of the titanium alloy artificial joint prosthesis, so that the machining precision of a titanium alloy artificial joint is higher, and the processing effect is more uniform.
Description
Technical field
The present invention relates to joint prosthesis processing technique field, be particularly useful for the titanium alloy artificial joint of the different in nature curved surface of processed complex, in particular, relate to a kind of titanium alloy artificial joint curved surface turbulent flow precision machining method and device.
Background technology
Joint prosthesis is a kind of organ with function of joint, and along with the development of science and technology and the raising of living standards of the people, the demand of joint prosthesis will constantly expand.
Titanium alloy artificial joint prosthese after forming and sintering can not be directly applied for inside of human body, also need through subsequent technique process such as a series of grinding, polishings, final obtain level and smooth, evenly, high-quality surface and with the joint prosthesis of human body bone no-float.The polishing degree on joint prosthesis surface has vital impact to its function and service life.Titanium alloy is extensively used in Artificial Joint Design with the characteristic of its high-strength low-modulus, but there is the defects such as machinability difference, thermal conductivity factor be low in the surface finishing of titanium alloy, and joint prosthesis surface mostly is complex-curved, conventional polishing process is adopted to be difficult to effectively process some surfaces, now, joint prosthesis polishing is primarily of manual operations, and the low and quality of finish of polishing efficiency is difficult to stablize.
Therefore, the present invention proposes a kind of novel titanium alloy artificial joint polishing processing method, and devise the special processing work being used in the method, adopt processing method provided by the invention, working (machining) efficiency is higher, machining accuracy is higher, and has broken away from the dependence to instrument in conventional method.
Summary of the invention
The object of the invention is to overcome when carrying out skin processing to the complex-curved surface of joint prosthesis, due to the complexity on titanium alloy artificial joint surface, cause to carry out good contact processing to the surface of workpiece, and the problem that processing effect is not good, propose that a kind of working (machining) efficiency is high, machining accuracy is high, process uniform titanium alloy artificial joint turbulent flow precision machining method and device.
The present invention is achieved through the following technical solutions above-mentioned purpose: titanium alloy artificial joint curved surface turbulent flow precision machining method, it is characterized in that: use special square processing unit (plant), component is used for the profiling runner of machining titanium alloy artificial joint prosthesis together with titanium alloy artificial joint prosthese, and use the quick flowing in profiling runner of solid-liquid two-phase abrasive Flow to form abundant turbulent flow, abrasive particle in profiling runner in solid-liquid two-phase abrasive Flow follows solid-liquid two-phase abrasive Flow carries out unordered micro-power trace cutting to titanium alloy artificial joint prosthese, thus realize the skin processing of titanium alloy artificial joint prosthese, in this process, in profiling runner, interval passes into gases at high pressure, and gases at high pressure Impact Abrasive distributes to workpiece, to improve the probability on the surface of abrasive particle collision titanium alloy artificial joint prosthese and to prevent abrasive particle from sinking to bottom profiling runner.
Curved-surface turbulence precision processing device for titanium-alloy artificial joint, comprises runner base, profiling end cap, titanium alloy artificial joint prosthese, it is characterized in that: described runner base sheath is contained in outside titanium alloy artificial joint prosthese, and profiling end cap is sleeved on runner base bottom; Form thickness between described profiling end cap inner surface and titanium alloy artificial joint prosthese outer surface and evenly divide profiling runner; Described runner base two ends are provided with profiling runner exit and profiling flow channel entry point;
Described profiling end cap is made up of poromerics, the outer surface of profiling end cap is also provided with three cavitys, and the entrance of three cavitys connects same air intake and the porch of three cavitys is equipped with electromagnetic proportional valve; The junction of described profiling end cap and three cavitys is provided with water proof ventilated membrane.
Further, the profiling curve form of described profiling end cap inner surface is consistent with the shape of described titanium alloy artificial joint prosthese, and described profiling end cap is arranged on the below of described titanium alloy artificial joint prosthese.
Further, described solenoid electric valve adopts pulse controlled mode to control.
Further, described air intake place is also provided with solenoid electric valve.
Profiling end cap two ends are respectively solid-liquid two-phase abrasive Flow runner and three cavitys, when described cavity internal gas pressure is greater than hydraulic pressure in runner, gas can enter runner by the micropore on poromerics, and in runner, because entering of gas causes fluid to occur of short duration damming, therefore, the air intake of each cavity is all equipped with a solenoid electric valve, solenoid electric valve adopts Pulse Width Control, the control criterion of solenoid electric valve is: when solenoid electric valve receives low-frequency pulse, adjust its threshold values and control air inflow, air pressure in guarantee cavity can not be greater than the hydraulic pressure in profiling runner, when solenoid electric valve receives high-frequency impulse, adjust its threshold values and control air inflow, the air pressure moment in guarantee cavity is much larger than hydraulic pressure in runner, low frequency pulse signal Duration Ratio high-frequency pulse signal is long.Due to short duration, fluid dams phenomenon not obvious, and fluid can normally flow in runner, finally flows out from runner exit.
By known to the emulation of solid-liquid two-phase abrasive Flow in runner, the pressure distribution of runner inner fluid and uneven with, pressure distribution from flow channel entry point to runner exit in reduction trend.Therefore, below profiling end cap, filled three areolas side by side, each areola sealing separates, simultaneously, at the gas access place of each areola, be provided with electromagnetic proportional valve, three electromagnetic proportional valves ensure that corresponding areola internal gas pressure matches with the hydraulic pressure of corresponding site in corresponding runner respectively, like this, ensure in runner each region interior, after gas impact enters runner, the degree that abrasive particle is thrown by impact is consistent, ensure that the uniformity that abrasive particle distributes.
Beneficial effect of the present invention is: structure is simple, be easy to Design and manufacture; Profiling end cap and titanium alloy artificial joint prosthetic surface form good profiling, and soft abrasive fluid can form good contact with artificial joint prosthesis surface, make that the machining accuracy of titanium alloy artificial joint is higher, processing effect evenly; Process can be carried out by full automation, and has broken away from the constraint utilizing instrument to carry out skin processing; Introduce gas Impact Abrasive stream, add the probability of abrasive particle impact workpiece, improve working (machining) efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of curved-surface turbulence precision processing device for titanium-alloy artificial joint of the present invention.
Fig. 2 is the structural representation of titanium alloy artificial joint.
In figure, 1-profiling flow channel entry point, 2-runner base, 3-titanium alloy artificial joint prosthese, 4-profiling runner exit, 5-profiling end cap, 6-solenoid electric valve, 7-air intake, 8-electromagnetic proportional valve, 9-cavity, 10-water proof ventilated membrane.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1 and Figure 2, curved-surface turbulence precision processing device for titanium-alloy artificial joint, comprise runner base 2, profiling end cap 5, titanium alloy artificial joint prosthese 3, it is characterized in that: described runner base 2 is sleeved on outside titanium alloy artificial joint prosthese 3, profiling end cap 5 is sleeved on bottom runner base 2; Form thickness between described profiling end cap 5 inner surface and titanium alloy artificial joint prosthese 3 outer surface and evenly divide profiling runner; Described runner base 2 two ends are provided with profiling runner exit 4 and profiling flow channel entry point 1;
Described profiling end cap 5 is made up of poromerics, and the entrance outer surface of profiling end cap 5 being also provided with three cavitys, 9, three cavitys 9 connects same air intake 7 and the porch of three cavitys 9 is equipped with electromagnetic proportional valve 8; The junction of described profiling end cap 5 and three cavitys 9 is provided with water proof ventilated membrane 10.
Solid-liquid two-phase abrasive Flow, is entered profiling runner from profiling flow channel entry point 1 as power source by membrane pump, and along profiling flow passage, in profiling runner, forms turbulent flow; Micro-power trace impact cutting is carried out on titanium alloy artificial joint prosthese 3 surface that the abrasive particle of solid-liquid two-phase abrasive Flow is unordered, thus carries out polishing.
The profiling curve form of described profiling end cap 5 inner surface is consistent with the shape of described titanium alloy artificial joint prosthese 3, and described profiling end cap 5 is arranged on the below of described titanium alloy artificial joint prosthese 3.
Described solenoid electric valve 6 adopts pulse controlled mode to control.
Described air intake 7 place is also provided with solenoid electric valve 6.
The turbulent flow precision machining processes of titanium alloy artificial joint is as follows:
First, configure solid-liquid two-phase abrasive Flow, use membrane pump or booster pump as power source, make solid-liquid two-phase abrasive Flow form abundant turbulent flow in profiling runner;
Secondly, adopt air pump as pneumatic power source, from air intake 7, gas is filled with in cavity 9, adopt Pulse Width Control solenoid electric valve 6, the control criterion of solenoid electric valve 6 is: when solenoid electric valve 6 receives low-frequency pulse, adjust its threshold values and control air inflow, the air pressure in guarantee cavity can not be greater than the hydraulic pressure in profiling runner; When solenoid electric valve 6 receives high-frequency impulse, adjust its threshold values and control air inflow, the air pressure moment in guarantee cavity is much larger than hydraulic pressure in runner; Low frequency pulse signal Duration Ratio high-frequency pulse signal is long.
Pass through simulation software, to in this kind of size device inner flow passage everywhere the hydraulic pressure of fluid carry out analysis emulation, by simulation result as a reference, the threshold values size of adjustment three electromagnetic proportional valves 8, ensures that the hydraulic pressure in each unprecedented interior air pressure section runner corresponding to it maintains an equal level mutually.
Keep soft abrasive fluid continuous print to flow in profiling runner, the insufflation gas of being interrupted from the profiling end cap 5 that poromerics makes, impulsion abrasive particle is to titanium alloy artificial joint prosthese 3 directional spreding, and ongoing operation said process, until work pieces process is complete.
Above-described embodiment is preferred embodiment of the present invention; it is not the restriction to technical solution of the present invention; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, all should be considered as falling within the scope of the rights protection of patent of the present invention.
Claims (5)
1. titanium alloy artificial joint curved surface turbulent flow precision machining method, it is characterized in that: use special square processing unit (plant), component is used for the profiling runner of machining titanium alloy artificial joint prosthesis (3) together with titanium alloy artificial joint prosthese (3), and use the quick flowing in profiling runner of solid-liquid two-phase abrasive Flow to form abundant turbulent flow, abrasive particle in profiling runner in solid-liquid two-phase abrasive Flow follows solid-liquid two-phase abrasive Flow carries out unordered micro-power trace cutting to titanium alloy artificial joint prosthese (3), thus realize the skin processing of titanium alloy artificial joint prosthese (3), in this process, in profiling runner, interval passes into gases at high pressure, and gases at high pressure Impact Abrasive distributes to workpiece, to improve the probability on the surface of abrasive particle collision titanium alloy artificial joint prosthese (3) and to prevent abrasive particle from sinking to bottom profiling runner.
2. curved-surface turbulence precision processing device for titanium-alloy artificial joint, it is characterized in that: comprise runner base (2), profiling end cap (5), titanium alloy artificial joint prosthese (3), it is characterized in that: described runner base (2) is sleeved on titanium alloy artificial joint prosthese (3) outward, profiling end cap (5) is sleeved on runner base (2) bottom; Form thickness between described profiling end cap (5) inner surface and titanium alloy artificial joint prosthese (3) outer surface and evenly divide profiling runner; Described runner base (2) two ends are provided with profiling runner exit (4) and profiling flow channel entry point (1);
Described profiling end cap (5) is made up of poromerics, the outer surface of profiling end cap (5) is also provided with three cavitys (9), the entrance of three cavitys (9) connects same air intake (7) and the porch of three cavitys (9) is equipped with electromagnetic proportional valve (8); Described profiling end cap (5) is provided with water proof ventilated membrane (10) with the junction of three cavitys (9).
3. curved-surface turbulence precision processing device for titanium-alloy artificial joint according to claim 2, it is characterized in that: the profiling curve form of described profiling end cap (5) inner surface is consistent with the shape of described titanium alloy artificial joint prosthese (3), and described profiling end cap (5) is arranged on the below of described titanium alloy artificial joint prosthese (3).
4. curved-surface turbulence precision processing device for titanium-alloy artificial joint according to claim 2, is characterized in that: described solenoid electric valve (6) adopts pulse controlled mode to control.
5. curved-surface turbulence precision processing device for titanium-alloy artificial joint according to claim 2, is characterized in that: described air intake (7) place is also provided with solenoid electric valve (6).
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| CN201510077279.8A CN104690632B (en) | 2015-02-13 | 2015-02-13 | titanium alloy artificial joint surface turbulence precision machining method and device |
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| CN201510077279.8A CN104690632B (en) | 2015-02-13 | 2015-02-13 | titanium alloy artificial joint surface turbulence precision machining method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759942A (en) * | 2019-03-08 | 2019-05-17 | 烟台大学 | A kind of chemical abrasive Flow polishing method of 3D printing titanium alloy |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5125191A (en) * | 1982-09-08 | 1992-06-30 | Extrude Hone Corporation | Abrasive flow machining with an in situ viscous plastic medium |
| JP2011101937A (en) * | 2009-11-12 | 2011-05-26 | Izumi Food Machinery Co Ltd | Polishing method for particle, and polishing system for particle |
| CN102152240A (en) * | 2011-02-21 | 2011-08-17 | 浙江工业大学 | Novel method and special device for precisely processing titanium alloy joint prosthesis by curved-surface turbulence |
| CN203622229U (en) * | 2013-12-03 | 2014-06-04 | 浙江工业大学 | Temperature control abrasive particle flow curved surface turbulence polishing device |
| CN203765477U (en) * | 2013-12-03 | 2014-08-13 | 浙江工业大学 | Abrasive particle flow polishing device with blade wheel |
| CN204525130U (en) * | 2015-02-13 | 2015-08-05 | 浙江工业大学 | Curved-surface turbulence precision processing device for titanium-alloy artificial joint |
-
2015
- 2015-02-13 CN CN201510077279.8A patent/CN104690632B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5125191A (en) * | 1982-09-08 | 1992-06-30 | Extrude Hone Corporation | Abrasive flow machining with an in situ viscous plastic medium |
| JP2011101937A (en) * | 2009-11-12 | 2011-05-26 | Izumi Food Machinery Co Ltd | Polishing method for particle, and polishing system for particle |
| CN102152240A (en) * | 2011-02-21 | 2011-08-17 | 浙江工业大学 | Novel method and special device for precisely processing titanium alloy joint prosthesis by curved-surface turbulence |
| CN203622229U (en) * | 2013-12-03 | 2014-06-04 | 浙江工业大学 | Temperature control abrasive particle flow curved surface turbulence polishing device |
| CN203765477U (en) * | 2013-12-03 | 2014-08-13 | 浙江工业大学 | Abrasive particle flow polishing device with blade wheel |
| CN204525130U (en) * | 2015-02-13 | 2015-08-05 | 浙江工业大学 | Curved-surface turbulence precision processing device for titanium-alloy artificial joint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759942A (en) * | 2019-03-08 | 2019-05-17 | 烟台大学 | A kind of chemical abrasive Flow polishing method of 3D printing titanium alloy |
| CN109759942B (en) * | 2019-03-08 | 2020-07-21 | 烟台大学 | Chemical abrasive particle flow polishing method for 3D printing titanium alloy |
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| CN104690632B (en) | 2017-02-01 |
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Effective date of registration: 20190116 Address after: Room 322, Room 3, Building 1, Courtyard 8, Fengtai District, Beijing 100000 Patentee after: Beijing Huisheng Photoelectric Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 310014 City Zhaohui District Six Patentee before: Zhejiang University of Technology |
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