CN105058245B - Abrasive particle flow ultra-precision machining device - Google Patents
Abrasive particle flow ultra-precision machining device Download PDFInfo
- Publication number
- CN105058245B CN105058245B CN201510434756.1A CN201510434756A CN105058245B CN 105058245 B CN105058245 B CN 105058245B CN 201510434756 A CN201510434756 A CN 201510434756A CN 105058245 B CN105058245 B CN 105058245B
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- China
- Prior art keywords
- abrasive flow
- pressure
- head
- abrasive
- ultra
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
-
- 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
- B24B31/10—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 involving other means for tumbling of work
- B24B31/116—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 involving other means for tumbling of work using plastically deformable grinding compound, moved relatively to the workpiece under the influence of pressure
-
- 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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
-
- 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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
Abstract
The invention provides an abrasive particle flow ultra-precision machining device. Injection pressure and speed of abrasive particle flows are adjusted by adjusting threads between a pressure head and an abrasive particle flow injection polishing nozzle, and pressure is provided for a sealed box through a pneumatic cylinder, so that pressure is applied to the pressure head through a pressure plug. According to the abrasive particle flow ultra-precision machining device, the pneumatic cylinder for replacing a spring applies pressure to the pressure head so that accuracy of pressure of the abrasive particle flow injection polishing nozzle to a work-piece can be effectively improved, the abrasive particle flow machining accuracy is improved, and ultra-precision machining is achieved; meanwhile, concentration of abrasive particles in the abrasive particle flows is monitored and controlled in real time, so that machining accuracy and efficiency are guaranteed; Injection pressure and speed of the abrasive particle flows are adjusted by adjusting the threads between the pressure head and the abrasive particle flow injection polishing nozzle, and a pressure-maintaining flow stopping part is arranged at the tail end of the abrasive particle flow injection polishing nozzle so that the machining efficiency can be effectively improved. By means of the abrasive particle flow ultra-precision machining device, both machining efficiency and ultra-precision machining accuracy can be guaranteed.
Description
Technical field
The present invention relates to precision processing technology field, specially a kind of abrasive Flow ultra-precision processing apparatus, belong to ultraprecise
Processing technique field.
Background technology
In field of machining, precision finishing method is much in addition to traditional mechanical means, also ultrasonic polishing
Chemical polishing, electrochemical polish and Electrochemical- mechanical- finishing etc., abrasive Flow Machining is as the precise light developing rapidly
One of finishing processing method, has obtained extensively in the machinery industries such as aviation military project, textile machine, steam turbine, mould and hydraulic pressure
Application.
Abrasive Flow Ultraprecision Machining is a kind of up-to-date machining process, and it is (mixed with mill with abrasive particle flow medium
A kind of flowable mixture of grain) under pressure flow through the required surface processing of workpiece, carry out deburring, deburring, rounding
Angle, to reduce percent ripple and the roughness of surface of the work, reaches precision machined fineness.Abrasive Flow Ultra-precision Turning is needing
Complicated manual polish or complex-shaped workpiece, and the unmanageable position of additive method be best alternative plus
Work method.When abrasive Flow Ultra-precision Turning also apply be applicable to cylinder, vibrations and other high-volume processing not satisfaction or processes
Want injured workpiece.And the delamination of regeneration and previous operation add after effectively obtaining removing electro-discharge machining or laser beam processing
The residual stress that work surface is remained.
Abrasive Flow is the vicidity abrasive material containing abrasive particle, suitable embedded SMA actuators, because its no solid form determines processing mechanism
Complexity, at present, Chinese scholars are mainly from processing to abrasive Flow for the factor such as the viscosity of abrasive Flow, operating pressure, abrasive particles
Method is studied, and gradually develops the device that some carry out Ultra-precision Turning using abrasive Flow to workpiece, but, current mill
The abrasive particle flow injection head of grain stream processing unit (plant) typically to give injector head certain pressure using spring, but adopts spring pressure
Power although some employ pressure transducer, but, the mode of this applying power is not gentle, and pressure can be with the inefficacy of spring
And be a greater impact, thus affecting the machining accuracy of workpiece, and the abrasive particle flowing pressure of shower nozzle relies solely on compression pump
Adjust, regulating effect is limited, and the end of abrasive particle flow injection head lacks choke apparatus so that abrasive Flow percussion declines,
Working (machining) efficiency is relatively low.
Based on above technical problem, the invention provides a kind of abrasive Flow ultra-precision processing apparatus, it is right to be come using pneumatic cylinder
Head applies pressure, thus substituting spring, can effectively improve the pressure accuracy to workpiece for the abrasive Flow jet polishing mouth,
Improve abrasive Flow Machining precision, realize Ultra-precision Turning, meanwhile, to wear particle concentration real-time monitoring in abrasive Flow and control it is ensured that
Machining accuracy and efficiency, additionally, realize abrasive Flow spray by adjusting the screw thread between head and abrasive Flow jet polishing mouth
Injection pressure and the regulation of speed, can be further ensured that working (machining) efficiency and machining accuracy, in the end of abrasive Flow jet polishing mouth
Setting pressurize fluid stopping part, can effectively improve working (machining) efficiency, the present invention can not only ensure working (machining) efficiency, and ensure that
The precision of Ultra-precision Turning.
Content of the invention
It is an object of the invention to provide a kind of structure and using simple, rationally, low cost, process is simple, stable performance, make
A kind of abrasive Flow ultra-precision processing apparatus with life-span length.
For achieving the above object, the present invention adopts the following technical scheme that:A kind of abrasive Flow ultra-precision processing apparatus, it includes
Pneumatic cylinder, closed box, pressure chamber, head, abrasive Flow jet polishing mouth and recycling can are it is characterised in that one end of pressure chamber
It is arranged in described closed box, the upper end of pressure chamber forms confined space, pressure chamber lower end with the upper space of described closed box
It is connected with head, head lower end is provided with external screw thread, the upper end of abrasive Flow jet polishing mouth is provided with female thread, head
It is rotatably connected using screw thread and abrasive Flow jet polishing mouth between, by adjusting between head and abrasive Flow jet polishing mouth
The regulation to realize abrasive Flow injection pressure and speed for the screw thread, pneumatic cylinder is connected with the upper end of closed box, by pneumatic cylinder to
Described closed box provides pressure, applies pressure will pass through pressure chamber to head, the side wall of head is provided with abrasive Flow
Entrance, the lower end of head is provided with abrasive particle flow export.
Further, preferably, being provided with pressure gauge one between pneumatic cylinder and closed box, pressure chamber is up big and down small rank
Scalariform, is provided with sealing ring between head and abrasive Flow jet polishing mouth, head is internally provided with the mill of bending at a right angle
The circulation passage of grain stream, the lower end of head is cone, and described abrasive Flow jet polishing mouth is corresponding with head cooperation
Cone, the lower end surrounding of abrasive Flow jet polishing mouth is provided with pressurize fluid stopping part, and pressurize fluid stopping part is funnel-form, and pressurize
The lower surface of fluid stopping part be shaped as spherical arc surface, recycling can is arranged on lower section, recycling can and the institute of described pressurize fluid stopping part
The one end stating filter connects, and one end that the other end of filter measures tank with described wear particle concentration is connected, and wear particle concentration measures
The other end of tank is connected with one end of abrasive Flow supplying tank, abrasive Flow supplying tank is additionally provided with abrasive particle and adds tank, described abrasive particle
The other end of stream supplying tank is connected with the inlet of described force (forcing) pump, the mill on the liquid outlet of force (forcing) pump and described pressure rostral wall
Grain inflow entrance is connected.
Further, preferably, being provided with check valve between described filter and described wear particle concentration measurement tank.
Further, preferably, being provided with workpiece fixing seat in described recycling can, workpiece to be processed is fixedly installed on described
In workpiece fixing seat.
Further, preferably, between abrasive particle inflow entrance on the liquid outlet of described force (forcing) pump and described pressure rostral wall
It is provided with pressure gauge two.
Further, preferably, described abrasive particle adds is provided with electromagnetic valve between tank and described abrasive Flow supplying tank, described
Wear particle concentration measurement head in electromagnetic valve and described wear particle concentration measurement tank is all connected with controller.
Further, preferably, the upper end of described pressure chamber is formed in confined space with the upper space of described closed box
It is provided with fluid media (medium).
Further, preferably, the flight pitch of screw thread between described head and described abrasive Flow jet polishing mouth
For 0.2-1.2mm.
The beneficial effects of the present invention is:
The invention provides a kind of abrasive Flow ultra-precision processing apparatus, to apply pressure to head using pneumatic cylinder, from
And substitute spring, can effectively improve the pressure accuracy to workpiece for the abrasive Flow jet polishing mouth, improve abrasive Flow Machining essence
Degree, realizes Ultra-precision Turning, meanwhile, to wear particle concentration real-time monitoring in abrasive Flow and control it is ensured that machining accuracy and efficiency, this
Outward, the tune of abrasive Flow injection pressure and speed is realized by adjusting the screw thread between head and abrasive Flow jet polishing mouth
Section, can be further ensured that working (machining) efficiency and machining accuracy, arrange pressurize fluid stopping part, energy in the end of abrasive Flow jet polishing mouth
Enough effectively raising working (machining) efficiencies, the present invention can not only ensure working (machining) efficiency, and ensure that the precision of Ultra-precision Turning.
Brief description
Fig. 1 is a kind of structural representation of abrasive Flow ultra-precision processing apparatus of the present invention;
Wherein, 1, pneumatic cylinder, 2, pressure gauge one, 3, closed box, 4, pressure chamber, 5, head, 6, abrasive Flow jet polishing
Mouth, 7, sealing ring, 8, pressurize fluid stopping part, 9, workpiece, 10, recycling can, 11, filter, 12, check valve, 13, wear particle concentration measurement
Tank, 14, abrasive Flow supplying tank, 15, abrasive particle add tank, 16, force (forcing) pump, 17, pressure gauge two, 18, workpiece fixing seat.
Specific embodiment
To carry out detailed description to the present invention below in conjunction with accompanying drawing.It should be appreciated, however, that being provided only more of accompanying drawing
Understand the present invention well, they should not be interpreted as limitation of the present invention.
As shown in figure 1, the present invention provides a kind of abrasive Flow ultra-precision processing apparatus, it includes pneumatic cylinder 1, closed box 3, pressure
Power plug 4, head 5, abrasive Flow jet polishing mouth 6 and recycling can 10, one end of described pressure chamber 4 is arranged on described closed box 3
Interior, the upper end of described pressure chamber 4 forms confined space, described pressure chamber 4 lower end and pressure with the upper space of described closed box 3
5 connections, described head 5 lower end is provided with external screw thread, and the upper end of abrasive Flow jet polishing mouth 6 is provided with female thread, described
It is rotatably connected using screw thread between head 5 and described abrasive Flow jet polishing mouth 6, by adjusting described head 6 and institute
State the regulation to realize abrasive Flow injection pressure and speed of screw thread between abrasive Flow jet polishing mouth 6, described pneumatic cylinder 1 with close
The upper end closing case 3 connects, and provides pressure by described pneumatic cylinder 1 to described closed box 3, with will pass through described pressure thrust described
Head 5 applies pressure, the side wall of described head 5 is provided with abrasive particle inflow entrance, the lower end of described head 5 is provided with mill
Grain flow export.
In the present embodiment, it is provided with described pressure gauge 1, described pressure between described pneumatic cylinder 1 and described closed box 3
Plug 4 is up big and down small stepped, is provided with sealing ring 7, institute between described head 5 and described abrasive Flow jet polishing mouth 6
State the circulation passage that head 5 is internally provided with the abrasive Flow of bending at a right angle, the lower end of described head 5 is cone, institute
Stating abrasive Flow jet polishing mouth 6 is to coordinate corresponding cone with described head 5, under described abrasive Flow jet polishing mouth 6
End surrounding is provided with described pressurize fluid stopping part 8, and pressurize fluid stopping part 8 is funnel-form, and the shape of the lower surface of pressurize fluid stopping part 8
For spherical arc surface, recycling can 10 is arranged on the lower section of described pressurize fluid stopping part 8, one end of recycling can 10 and described filter 11
Connect, one end that the other end of filter 11 measures tank 13 with described wear particle concentration is connected, wear particle concentration measures the another of tank 13
End is connected with one end of abrasive Flow supplying tank 14, abrasive Flow supplying tank 14 is additionally provided with abrasive particle and adds tank 15, described abrasive Flow
The other end of supplying tank 14 is connected with the inlet of described force (forcing) pump 16, the liquid outlet of force (forcing) pump 16 and described head 5 side wall
On abrasive particle inflow entrance be connected.
Additionally, being provided with check valve 12 between filter 11 and described wear particle concentration measurement tank 13.Setting in recycling can 10
There is workpiece fixing seat 18, workpiece to be processed 9 is fixedly installed in described workpiece fixing seat 18.The liquid outlet of force (forcing) pump 16 with described
It is provided with pressure gauge 2 17 between abrasive particle inflow entrance on head 5 side wall.Abrasive particle adds tank 15 and described abrasive Flow supplying tank
It is provided with electromagnetic valve, described electromagnetic valve and described wear particle concentration measure wear particle concentration measurement head in tank all and controller between 14
Connect.It is provided with fluid media (medium) in the upper end of pressure chamber 4 and the upper space formation confined space of described closed box 3.
For the ease of accurate adjustment, the flight pitch of the screw thread between described head 5 and abrasive Flow jet polishing mouth 6 is
0.2-1.2mm.
The present invention to apply pressure to head using pneumatic cylinder, thus substituting spring, can effectively improve abrasive Flow
The pressure accuracy to workpiece for the jet polishing mouth, improves abrasive Flow Machining precision, realizes Ultra-precision Turning, meanwhile, to abrasive Flow
Middle wear particle concentration real-time monitoring, is thrown it is ensured that machining accuracy and efficiency additionally, passing through regulation head and being sprayed with abrasive Flow with control
Screw thread between light mouth, to realize the regulation of abrasive Flow injection pressure and speed, can be further ensured that working (machining) efficiency and processing essence
Degree, arranges pressurize fluid stopping part 8 in the end of abrasive Flow jet polishing mouth 6, can effectively improve working (machining) efficiency, the present invention is not only
Ensure that working (machining) efficiency, and ensure that the precision of Ultra-precision Turning.
When the abrasive Flow ultra-precision processing apparatus using the present invention carry out Ultra-precision Turning to workpiece, initially with air pressure
Cylinder provides certain pressure to closed box, so that this pressure is realized uniformly descending pressure to pressure chamber, head is applied
Pressure, and acting on workpiece, improves abrasive Flow Machining efficiency, this applies stressed mode than using spring to head
Mode more reliable it is therefore prevented that spring lost efficacy for a long time and spring force inhomogeneities problem, meanwhile, the present invention passes through to adopt
Defecator and abrasive Flow concentration detection apparatus, improve the utilization rate of abrasive Flow it is ensured that in abrasive Flow abrasive particle concentration,
Improve while machining accuracy it is ensured that working (machining) efficiency.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, common about technical field
Technical staff, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore all
Equivalent technical scheme falls within scope of the invention, and the scope of patent protection of the present invention should be defined by the claims.
Claims (8)
1. a kind of abrasive Flow ultra-precision processing apparatus, it includes pneumatic cylinder, closed box, pressure chamber, head, abrasive Flow injection throwing
, it is characterised in that one end of pressure chamber is arranged in described closed box, the upper end of pressure chamber is airtight with described for light mouth and recycling can
The upper space of case forms confined space, and pressure chamber lower end is connected with head, and head lower end is provided with external screw thread, abrasive Flow
The upper end of jet polishing mouth is provided with female thread, is rotatably connected using screw thread between head and abrasive Flow jet polishing mouth,
Realize the regulation of abrasive Flow injection pressure and speed, gas by adjusting the screw thread between head and abrasive Flow jet polishing mouth
Cylinder pressure is connected with the upper end of closed box, provides pressure by pneumatic cylinder to described closed box, will pass through pressure chamber to head
Apply pressure, the side wall of head is provided with abrasive particle inflow entrance, the lower end of head is provided with abrasive particle flow export.
2. a kind of abrasive Flow ultra-precision processing apparatus according to claim 1 it is characterised in that pneumatic cylinder and closed box it
Between be provided with pressure gauge one, pressure chamber is up big and down small stepped, is provided between head and abrasive Flow jet polishing mouth
Sealing ring, head is internally provided with the circulation passage of the abrasive Flow of bending at a right angle, and the lower end of head is cone, described
Abrasive Flow jet polishing mouth is to coordinate corresponding cone with head, and the lower end surrounding of abrasive Flow jet polishing mouth is provided with guarantor
Pressure fluid stopping part, pressurize fluid stopping part is funnel-form, and the lower surface of pressurize fluid stopping part be shaped as spherical arc surface, recycling can sets
Put the lower section in described pressurize fluid stopping part, recycling can is connected with one end of filter, the other end of filter is surveyed with wear particle concentration
One end of measuring tank connects, and the other end that wear particle concentration measures tank is connected with one end of abrasive Flow supplying tank, on abrasive Flow supplying tank
Be additionally provided with abrasive particle and add tank, the described other end of abrasive Flow supplying tank is connected with the inlet of force (forcing) pump, force (forcing) pump go out liquid
Mouth is connected with the abrasive particle inflow entrance on described pressure rostral wall.
3. a kind of abrasive Flow ultra-precision processing apparatus according to claim 2 it is characterised in that described filter with described
It is provided with check valve between wear particle concentration measurement tank.
4. a kind of abrasive Flow ultra-precision processing apparatus according to claim 1 are it is characterised in that arrange in described recycling can
There is workpiece fixing seat, workpiece to be processed is fixedly installed in described workpiece fixing seat.
5. a kind of abrasive Flow ultra-precision processing apparatus according to claim 2 it is characterised in that described force (forcing) pump go out liquid
It is provided with pressure gauge two between abrasive particle inflow entrance on mouth and described pressure rostral wall.
6. a kind of abrasive Flow ultra-precision processing apparatus according to claim 2 it is characterised in that described abrasive particle add tank with
It is provided with electromagnetic valve, described electromagnetic valve and described wear particle concentration measure the wear particle concentration survey in tank between described abrasive Flow supplying tank
Amount head is all connected with controller.
7. a kind of abrasive Flow ultra-precision processing apparatus according to claim 1 are it is characterised in that the upper end of described pressure chamber
Formed in confined space with the upper space of described closed box and be provided with fluid media (medium).
8. a kind of abrasive Flow ultra-precision processing apparatus according to claim 1-7 any one are it is characterised in that described pressure
The flight pitch of the screw thread between power head and described abrasive Flow jet polishing mouth is 0.2-1.2mm.
Priority Applications (1)
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CN201510434756.1A CN105058245B (en) | 2015-07-23 | 2015-07-23 | Abrasive particle flow ultra-precision machining device |
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CN201510434756.1A CN105058245B (en) | 2015-07-23 | 2015-07-23 | Abrasive particle flow ultra-precision machining device |
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CN105058245B true CN105058245B (en) | 2017-02-22 |
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CN105563349A (en) * | 2016-01-27 | 2016-05-11 | 北京雷蒙赛博机电技术有限公司 | Abrasive concentration control system for front mixed abrasive water jet equipment |
CN105904349B (en) * | 2016-05-31 | 2018-05-18 | 潍坊市高品机械制造有限公司 | A kind of sanding device |
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CN110370162B (en) * | 2019-03-06 | 2024-01-23 | 长春理工大学 | Clamp for precisely polishing valve sleeve by abrasive flow |
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CN110370093B (en) * | 2019-05-24 | 2020-08-18 | 浙江工业大学 | Magnetic composite abrasive flow polishing method with angle adjustable mechanism |
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CN112428161A (en) * | 2020-11-18 | 2021-03-02 | 安徽信息工程学院 | Pre-mixed abrasive jet abrasive concentration monitoring system and monitoring method thereof |
CN113183039B (en) * | 2021-04-25 | 2023-03-14 | 太原理工大学 | Special clamp for cable bending type tail attached abrasive flow machining and machining method |
CN114211314A (en) * | 2021-11-25 | 2022-03-22 | 浙江康飞思医疗科技有限公司 | Spiral eddy magnetic jet polishing machine for medical tibia support |
CN114750063B (en) * | 2022-06-13 | 2022-09-13 | 中国航发上海商用航空发动机制造有限责任公司 | Polishing device and polishing method |
CN115673998B (en) * | 2022-12-30 | 2023-04-07 | 钜亚汽车零部件科技(太仓)有限公司 | Polishing device for special-shaped porous part |
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JPH02218600A (en) * | 1989-02-14 | 1990-08-31 | Kiyoyuki Horii | Grinding/cutting method and device thereof |
FR2678527B1 (en) * | 1991-07-05 | 1993-09-10 | Commissariat Energie Atomique | APPARATUS FOR STORING AND SPRAYING ICE BALLS. |
CN202527397U (en) * | 2011-09-26 | 2012-11-14 | 郑春晓 | High pressure water cutter cleaning machine of liquid crystal module |
CN103213071A (en) * | 2013-04-22 | 2013-07-24 | 满城县永红铸造机械有限公司 | Shot gate specially for shot blast cleaning machine |
CN103639907B (en) * | 2013-12-16 | 2015-09-09 | 佛山市永盛达机械有限公司 | A kind of sand valve |
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