CN104972404A - Flow polishing device for manufacturing ultrasmooth surfaces by gas-liquid-solid abrasive flow - Google Patents
Flow polishing device for manufacturing ultrasmooth surfaces by gas-liquid-solid abrasive flow Download PDFInfo
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- CN104972404A CN104972404A CN201510056741.6A CN201510056741A CN104972404A CN 104972404 A CN104972404 A CN 104972404A CN 201510056741 A CN201510056741 A CN 201510056741A CN 104972404 A CN104972404 A CN 104972404A
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- abrasive flow
- liquid
- flow
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- solid
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C11/00—Selection of abrasive materials or additives for abrasive blasts
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- 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
- B24C7/0084—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a mixture of liquid and gas
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- 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 discloses a flow polishing device for manufacturing ultrasmooth surfaces by gas-liquid-solid abrasive flow, which can reach the removing effects of atom-grade materials. The flow polishing device comprises an intelligent electrical control cabinet, an air pump, a polishing processing platform, two servo control abrasive flow conveying pumps, a stirrer, an air tube and abrasive flow conveying hoses, wherein the air pump is connected with the polishing processing platform through the air tube; a liquid-solid abrasive flow circulating system is formed by connecting the polishing processing platform, the two servo control abrasive flow conveying pumps and the stirrer through the abrasive flow conveying hoses; the polishing process of the whole polishing device is controlled by the intelligent electrical control cabinet. According to the flow polishing device disclosed by the invention, a workpiece is repeatedly polished by utilizing the high-speed turbulent eddy of the gas-liquid-solid abrasive flow in the circulating system, so that the utilization rate of abrasive flow can be increased; besides, processing residues can be effectively filtered out so as to reduce sewage discharge, and clean processing, energy conservation, and environmental protection can be realized.
Description
Technical field
The present invention relates to fluid super-smooth surface grinding and polishing device, in particular, relate to a kind of gas-liquid-solid three-phase abrasive Flow super-smooth surface fluid polishing device.
Background technology
At high-technology fields such as contemporary optics, electronic information and membrane sciences, need to realize super smooth surface processing (Ultrasmooth Surface Manufacturing) at precision optics part and functional crystal material surface, such as soft x-ray optics system, laser gyro speculum, high-density wavelength division multiplexer, superlaser speculum, function optics, optical window etc.
Precision optics part and functional crystal material part all belong to the key components and parts of advanced optical equipment and electronic manufacture equipment, super smooth surface processing equipment itself then belongs to the high-end equipment of Ultra-precision Turning, therefore, key scientific problems for super smooth surface processing conducts a research, explore the new principle of super smooth surface processing, new technology and new equipment, meet the demand that national strategy new industry (high-end equipment manufacturing) develops.
Super-smooth surface is except requiring extremely low surface roughness value (<1nm RMS), the more important thing is and must obtain the high form accuracy of surface of the work simultaneously, guarantee functional crystal material crystal lattice integrality, prevent affected layer and cause sub-surface damage, extremely low surface waviness is then required for precision optics piece surface, thus realizes low scattering properties, high-transmission rate and surface reflectivity.In general, super smooth surface processing is removed for realizing atom level material, and add man-hour very little to the active force of surface of the work, therefore belong to the processing mode that typically slow work yields fine products, efficiency is extremely low, and processing cost is very high.At the technical barrier guaranteeing to realize low cost under the prerequisite not occurring affected layer and sub-surface damage, high efficiency super smooth surface processing is the urgent need solution of precision manufactureing field.
Existing Machining Technology of Super Smooth Surface, totally can be divided into two classes, one class relies on machining tool contact surface of the work to realize processing (as used emery wheel, abrasive band or other flexible material as the grinding, polishing etc. of instrument), another kind of, do not rely on machining tool directly to contact surface of the work, but utilize the processing of flow at high speed realization to surface of the work of carrying the abrasive Flow of fine abrasive grains, this class processing method can be referred to as fluid polishing.Current main abrasive Flow polishing processing method mainly contains: extrusion honing polishing, the polishing of abrasive particle water jet, MRF, Magnetorheological Jet Polishing, ER fluid polishing etc.Wall shock effect when these methods utilize abrasive Flow to contact with finished surface, the micro-cutting forming abrasive particle effects on surface realizes surfacing and removes, and reaches skin processing effect.
But due to the inherent characteristics of above-mentioned abrasive Flow Machining method, after processing, much still satisfied surface roughness can not be obtained.In more existing fluid polishing processing methods, the flow velocity of fluid-phase to surface of the work is on the low side and flow direction is single (rotates with instrument opposite piece, drive the method for gap place fluid flowing between the two, such as MRF then belongs to this situation).At this moment, because rate of flow of fluid is not enough to reach turbulence state, generally be in laminar condition, abrasive particle flow direction is basically identical, the abrasive particle at the subsurface fluid place directly contacted with workpiece is only had to have an opportunity to contact with surface to be machined, therefore the abrasive particle really playing shear action is few part of abrasive particle in fluid, and only acts on protruding peak from single direction, and working (machining) efficiency is naturally not high.Fluid-phase impacts excessive or active force and surface of the work the angle of force unreasonable (the polishing Fang Ze impacting surface of the work in abrasive particle water jet mode belongs to this situation) defect to the normal direction of surface of the work is also there is in other fluid polishing processing method.At this moment, though rate of flow of fluid can reach very high, but abrasive particle impact direction is still basically identical, the area that impingement flow and workpiece directly contact is little, if it is too small that normal direction impacts force, then working (machining) efficiency is very low, and excessive or active force and surface of the work the angle of normal direction impulsive force is unreasonable, surface damage and new rough surface may be caused to occur, be therefore difficult to the rapport holding processing quality and working (machining) efficiency.From nowadays social, the wide demand prospect of ultra-precise optical part and functional crystal material is considered, solve the technical barrier of super-smooth surface precision manufactureing, still need and propose new solution to reach the super-smooth surface Precision Machining effect of atomic level.
Summary of the invention
Object of the present invention realizes the technical barrier of precision manufactureing field low cost, high efficiency super smooth surface processing under being just the prerequisite guaranteeing not occur affected layer and sub-surface damage, propose a kind of gas-liquid-solid three-phase abrasive Flow super-smooth surface fluid polishing device that can reach atomic level material removal effect.
The present invention is achieved through the following technical solutions above-mentioned purpose: a kind of gas-liquid-solid three-phase abrasive Flow super-smooth surface fluid polishing device, comprise intelligent electric switch board, air pump, polishing platform, two SERVO CONTROL abrasive Flow delivery pumps, agitator, tracheae and abrasive Flow delivery hoses, described air pump connects polishing platform by tracheae, and described polishing platform connects into a liquid-solid two phase abrasive particle flow circulating system by abrasive Flow delivery hose and two SERVO CONTROL abrasive Flow delivery pumps and agitator; Whole burnishing device carries out process by described intelligent electric switch board and controls.
Described polishing platform comprises frame, Precision Lead-Screw transmission system, frame driving member, disc polishing tool, stainless steel swivel joint, gas-tpe fitting, work piece holder, work piece holder mounting seat and stainless steel trough, described stainless steel trough is arranged in frame, work piece holder mounting seat is fixed on stainless steel water trench bottom, and work piece holder is fixed in work piece holder mounting seat; The frame of described stainless steel trough both sides is fixed with the Precision Lead-Screw transmission system of symmetrical distribution, two Precision Lead-Screw transmission system connection frame driving members also drive described frame driving member to move up and down; Disc polishing tool is arranged on the frame driving member directly over described work piece holder; Described two Precision Lead-Screw transmission systems drive described disc polishing tool to move up and down in described stainless steel trough by driving described frame driving member to move up and down.
The upper surface of described disc polishing tool and workpiece to be machined forms large-area microspur gap, disc polishing tool is provided with inner chamber, the end face of disc polishing tool is provided with the abrasive particle injection channel for injecting polishing abrasive particle with inner space, and described abrasive particle injection channel is connected abrasive Flow delivery hose by stainless steel swivel joint and is communicated with two SERVO CONTROL abrasive Flow delivery pumps by abrasive Flow delivery hose; The side of described disc polishing tool is also provided with equally distributed at least two air-flow injection channels, described air-flow injection channel and described inner space for injecting high velocity air to described inner chamber, described air-flow injection channel connects tracheae by gas-tpe fitting and connects air pump by tracheae.
Further, described abrasive particle injection channel optimum number is three, and air-flow injection channel optimum number is three.
Further, described Precision Lead-Screw transmission system comprises stepper motor, leading screw and line slideway, and leading screw and line slideway are vertically installed, and one end of described leading screw connects stepper motor by shaft coupling, and stepper motor is fixed in described frame; The other end of described leading screw is fixed in described frame by bearing block; The two ends of described line slideway are directly fixed in described frame; Described frame driving member connects leading screw and line slideway also moves up and down in described stainless steel trough by the driving of described stepper motor.
Further, described disc polishing tool end face is also provided with plexiglas form, and described plexiglas form is the water white transparency circular glass be made up of resin material.Can fluid motion in disc polishing tool inner chamber described in Visual Observations Observations by described plexiglas form, and described plexiglas form has good machining property, be fixedly mounted on the end face of disc polishing tool by screw, improve the steadiness of device.
Further, the outer surface of described work piece holder mounting seat adopts chromium plating treatment process to process.This process increases anticorrosive, the stainless property of work piece holder mounting seat, and then improve the service life of device, prevent abrasive Flow by contaminating impurities such as iron rust.
Further, described intelligent electric switch board comprises PLC intelligent controller, relay, motor servo driver, various kinds of sensors and other appliance components, described intelligent electric switch board, by the duty of described various kinds of sensors accurate perception associated equipment, sends instruction in time and carries out high accuracy control to the equipment of associated.
Further, the capacity of air pump is 32 liters, maximum pressure is 2 MPas, described air pump injects high velocity air by tracheae in described disc polishing tool, and then the liquid-solid two phase abrasive Flow High Rotation Speed in driver plate shape polishing tool is to reach turbulence state, form gas-liquid-solid three-phase abrasive Flow high velocity turbulent flow vortex.
Further, described tracheae to be diameter the be plastic conduit of eight points.Tracheae has good bend resistance performance, ensure that the stability of the high velocity air in described air-flow injection channel and the flow velocity of air-flow and the uniformity of pressure in each multi-directional airflow injection channel.
Further, described abrasive Flow delivery hose is the transparent rubber flexible pipe of embedded steel wire.Abrasive Flow delivery hose has very good bend resistance performance, prevents high-velocity fluid from can produced the complicated changes such as flow-disturbing by bending place, and then ensure that the stability injecting liquid-solid two phase abrasive Flow described in described disc polishing tool inner chamber.
Beneficial effect of the present invention is:
1) contactless disc polishing tool is utilized to form large area microspur gap at surface of the work, the large area curve surface work pieces that can relax large-area planar or Curvature varying carries out efficient atom level material and removes, surface roughness reaches below Rq1 nanometer, and optics ripple and surface damage situation meet super smooth surface processing requirement, working (machining) efficiency comparatively prior art is enhanced about more than once.
2) the micro-dimension bubble in gas-liquid-solid three-phase abrasive Flow can be crumbled and fall by rights under the control of blended amount and flow velocity, produces and accelerates impetus, increased substantially the probability of the elaboration that abrasive particle produces in the process that crumbles and fall to neighbouring abrasive particle.
3) the present invention can promote the research and development technology basis of ultra-precision processing apparatus, promotes the development of China's ultra-precision processing apparatus.
4) gas-liquid-solid three-phase abrasive Flow high velocity turbulent flow vortex is utilized repeatedly to carry out to described workpiece the utilization ratio that polishing can improve abrasive Flow in the circulatory system, and effectively can filter processing residue with less sewage discharge, realize clean processing, economize energy, environmental protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of gas-liquid-solid three-phase abrasive Flow of the present invention super-smooth surface fluid polishing device.
Fig. 2 is the structural representation of disc burnishing device of the present invention.
Fig. 3 is the top view of disc burnishing device of the present invention.
Fig. 4 is the structural representation of polishing platform of the present invention.
In figure, 1-intelligent electric switch board, 2-polishing platform, 3 (5)-SERVO CONTROL abrasive Flow delivery pumps, 4-agitator, 6-abrasive Flow delivery hose, 7-tracheae, 8-air pump, 9-workpiece, the effective polishing area of 10-, 11-abrasive particle, 12-gas-liquid-solid three-phase abrasive Flow high velocity turbulent flow vortex, 13-plexiglas form, 21-frame, 22-bearing block, 23-line slideway, 24-feed screw nut, 25-leading screw, 26-shaft coupling, 27-stepper motor, 28-frame driving member, 29-disc polishing tool, 211-stainless steel swivel joint, 212-gas-tpe fitting, 214-work piece holder, 215-work piece holder mounting seat, 216-stainless steel trough.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in figures 1-4, a kind of gas-liquid-solid three-phase abrasive Flow super-smooth surface fluid polishing device, comprise intelligent electric switch board 1, air pump 8, polishing platform 2, two SERVO CONTROL abrasive Flow delivery pumps 3,5, agitator 4, tracheae 7 and abrasive Flow delivery hose 6, described air pump 8 connects polishing platform 2 by tracheae 7, and described polishing platform 2 connects into a liquid-solid two phase abrasive particle flow circulating system by abrasive Flow delivery hose 6 and two SERVO CONTROL abrasive Flow delivery pumps 3,5 and agitator 4; Whole burnishing device carries out process by described intelligent electric switch board 1 and controls;
Described polishing platform 2 comprises frame 21, Precision Lead-Screw transmission system, frame driving member 28, disc polishing tool 29, stainless steel swivel joint 211, gas-tpe fitting 212, work piece holder, work piece holder mounting seat 215 and stainless steel trough 216, described stainless steel trough 216 is arranged in frame 21, work piece holder mounting seat 215 is fixed on bottom stainless steel trough 216, and work piece holder is fixed in work piece holder mounting seat 215; The frame 21 of described stainless steel trough 216 both sides is fixed with the Precision Lead-Screw transmission system of symmetrical distribution, two Precision Lead-Screw 25 transmission system connection frame driving members 28 also drive described frame driving member 28 to move up and down; Disc polishing tool 29 is arranged on the frame driving member 28 directly over described work piece holder; Described two Precision Lead-Screw 25 transmission systems drive described disc polishing tool 29 to move up and down in described stainless steel trough 216 by driving described frame driving member 28 to move up and down;
Described disc polishing tool 29 forms large-area microspur gap with the upper surface of workpiece to be machined 9, disc polishing tool 29 is provided with inner chamber, the end face of disc polishing tool 29 is provided with the abrasive particle injection channel for injecting polishing abrasive particle with inner space, and described abrasive particle injection channel is connected abrasive Flow delivery hose 6 by stainless steel swivel joint 211 and is communicated with two SERVO CONTROL abrasive Flow delivery pumps 3,5 by abrasive Flow delivery hose 6; The side of described disc polishing tool 29 is also provided with equally distributed at least two air-flow injection channels, described air-flow injection channel and described inner space for injecting high velocity air to described inner chamber, described air-flow injection channel connects tracheae 7 by gas-tpe fitting 212 and connects air pump 8 by tracheae 7.。
Described abrasive particle injection channel optimum number is three, and air-flow injection channel optimum number is three.
Described Precision Lead-Screw 25 transmission system comprises stepper motor 27, leading screw 25 and line slideway 23, and leading screw 25 and line slideway 23 are vertically installed, and one end of described leading screw 25 connects stepper motor 27 by shaft coupling 26, and stepper motor 27 is fixed in described frame 21; The other end of described leading screw 25 is fixed in described frame 21 by bearing block 22; The two ends of described line slideway 23 are directly fixed in described frame 21; Described frame driving member 28 connects leading screw 25 and line slideway 23 also moves up and down in described stainless steel trough 216 by the driving of described stepper motor 27.
Described disc polishing tool 29 end face is also provided with plexiglas form, and described plexiglas form is the water white transparency circular glass be made up of resin material.
The outer surface of described work piece holder mounting seat 215 adopts chromium plating treatment process to process.
Described intelligent electric switch board 1 comprises PLC intelligent controller, relay, motor servo driver, various kinds of sensors and other appliance components, described intelligent electric switch board 1, by the duty of described various kinds of sensors accurate perception associated equipment, sends instruction in time and carries out high accuracy control to the equipment of associated.
The capacity of air pump 8 is 32 liters, maximum pressure is 2 MPas.Described air pump 8 injects high velocity air by tracheae 7 in described disc polishing tool 29, and then the liquid-solid two phase abrasive Flow High Rotation Speed in driver plate shape polishing tool is to reach turbulence state, forms gas-liquid-solid three-phase abrasive Flow high velocity turbulent flow vortex 12.
Described tracheae 7 for diameter be the plastic conduit of eight points.Tracheae 7 has good bend resistance performance, ensure that the stability of the high velocity air in described air-flow injection channel and the flow velocity of air-flow and the uniformity of pressure in each multi-directional airflow injection channel.
Described abrasive Flow delivery hose 6 is the transparent rubber flexible pipe of embedded steel wire.Abrasive Flow delivery hose 6 has very good bend resistance performance, prevents high-velocity fluid from can produced the complicated changes such as flow-disturbing by bending place, and then ensure that the stability injecting liquid-solid two phase abrasive Flow described in described disc polishing tool inner chamber.
The metric thread joint of stainless steel swivel joint 211 one end is tightened on described disc polishing tool 29, and the hose coupling of the other end is enclosed within described abrasive Flow delivery hose 6 to be tightened by steel wire anchor ear.The metric thread joint of gas-tpe fitting 212 one end is tightened on described disc polishing tool 29, and the bite type gas-tpe fitting of the other end is then connected with tracheae 7.Workpiece 9 is arranged on work piece holder 214, and work piece holder 214 is arranged in work piece holder mounting seat 215, and wherein, workpiece 9 is installed with disc polishing tool 29 is concentric, and spacing is not more than 1 millimeter between the two, to form described large area microspur gap.
The concrete implementation step of this device is as follows: inject liquid-solid two phase abrasive Flow to disc polishing tool 29 inner chamber high speed, it drives and forms gas-liquid-solid three-phase abrasive Flow high velocity turbulent flow vortex 12 in the large area microspur gap of effective polishing area 10, while inject liquid-solid two phase abrasive Flow in disc polishing tool 29 inner chamber, multi-directional airflow method for implanting is utilized to inject high velocity air in the liquid-solid two phase abrasive Flow of disc polishing tool 29 inner chamber, high velocity air injects along the outward flange of liquid-solid two phase abrasive Flow, improve the rotary speed of gas-liquid-solid three-phase abrasive Flow high velocity turbulent flow vortex 12 in effective polishing area 10.By the characteristics of motion of Visual Observations Observations gas-liquid-solid three-phase abrasive Flow high velocity turbulent flow vortex 12, regulate associated control parameters to make described gas-liquid-solid three-phase abrasive Flow high velocity turbulent flow vortex 12 reach best duty and carry out polishing.After carrying out the polishing of certain hour, test analysis is carried out to workpiece 9, micro-dimension bubble described in contrast verification is crumbled and fall and is accelerated described abrasive particle 11 to the cutting effect of described workpiece 9, and then optimize polishing process scheme, finally draft concrete polishing process scheme, polishing is carried out to workpiece 9.
During work, intelligent electric switch board 1 first closes air pump 8, SERVO CONTROL abrasive Flow delivery pump 3,5 and agitator 4, first in stainless steel trough 216, add a certain amount of polishing fluid and abrasive particle formation liquid-solid two phase abrasive Flow 6, controlled to open the stepper motor 27 in polishing platform 2 by intelligent electric switch board 1 afterwards, and then disc polishing tool 29 high-precision motion of drive installation in frame 21, make disc polishing tool 29 move to disc polishing tool bottom surface 5 and be not more than 1 millimeter with workpiece 9 upper surface distance and locate.Now, then controlled to open SERVO CONTROL abrasive Flow delivery pump 3,5 and agitator 4 by intelligent electric switch board 1, finally controlled to open air pump 8 by intelligent electric switch board 1, in disc polishing tool inner chamber 4, inject high velocity air; Regulated the running parameter of various equipment by intelligent electric switch board 1, the motion conditions of abrasive Flow in plexiglas form 13 Visual Observations Observations disc polishing tool inner chamber 4, be adjusted to best machining state and carry out polishing operation.
The build process of burnishing device:
1. the selection of SERVO CONTROL abrasive Flow delivery pump:
The selection of SERVO CONTROL abrasive Flow delivery pump is the key problem that burnishing device is built.For the present invention, SERVO CONTROL abrasive Flow delivery pump should meet two primary conditions: the technical parameters such as the maximum stream flow of delivery pump and maximum outlet pressure should for can in multidirectional liquid-solid two phase abrasive Flow injection channel 1.5 times of basic demand of turbulization; Delivery pump can carry the two-phase fluid containing solid abrasive particles particle.
The hydraulic diameter of multidirectional liquid-solid two phase abrasive Flow injection channel is d=0.032m
For Flows, its laminar flow should, between 2100 ~ 4000, be both laminar condition when reynolds number Re is less than 2000 to a reynolds number Re cr that faces of turbulent flow, was be turbulence state when reynolds number Re is greater than 4000.Get the fluctuation area upper limit 4000 of Recr, pipeline fluid Reynolds number is directly proportional to flow velocity, hydraulic diameter, is inversely proportional to fluid viscosity.The kinematic viscosity of water under known room temperature, at this moment can obtain multidirectional liquid-solid two phase abrasive Flow injection channel turbulization critical flow velocity and flow;
Can select the model of pump, initial option is the MS1 series mechanical diaphragm metering pump of Italian SEKO brand, and flow is 5.5 ~ 530 ls/h, and maximum pressure is 10bar, and its maximum Reynolds number can meet the requirement that turbulent flow fully occurs completely.
2. the selection of abrasive material and workpiece
According to polishing processing device actual demand, the shape of required abrasive material wants comparison rule, and preferably diameter is the spheric granules of Nano grade.
According to above-mentioned requirements, the reference abrasive particle selected by this device has following two kinds:
Abrasive particle 1: carborundum (SiC) micro mist, its essential characteristic parameter is as follows: proportion 3.2, color: black or green, order number: 100000 ~ 1000.
Abrasive particle 2: aluminium oxide (Al2O3) micro mist, its essential characteristic parameter is as follows: proportion 3.95, color: white, order number: 100000 ~ 1000.
Workpiece selected by this device is: the planes such as circular single crystal silicon chip or circular K9 glass or curvature convert large area components and parts slowly.
3. the design of polishing platform
In order to solve equipment work in-process problem of rustiness, frame, the work piece holder mounting seat of polishing platform adopt plastic-blasting treatment process, stainless steel trough, leading screw, feed screw nut, line slideway, attachment screw all adopt stainless steel material, and frame driving member, disc polishing tool, work piece holder adopt aluminum.
Symmetrical rack-mounted a pair Precision Lead-Screw transmission system, effective transmission stroke of leading screw is 300 millimeters, the effective transmission stroke being arranged in parallel in the high accuracy line slideway of Precision Lead-Screw transmission system both sides is also 300 millimeters, so the stroke of disc polishing tool movement that disc polishing tool is arranged on frame driving member is 300 millimeters.Work piece holder is arranged in work piece holder mounting seat, be placed in stainless steel trough, work piece holder and disc polishing tool concentric are installed, and bottom surface and the workpiece surface spacing of disc polishing tool are not more than 1 millimeter, by the accurate control realization of intelligent controller.
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 (9)
1. a gas-liquid-solid three-phase abrasive Flow super-smooth surface fluid polishing device, it is characterized in that: comprise intelligent electric switch board (1), air pump (8), polishing platform (2), two SERVO CONTROL abrasive Flow delivery pumps (3, 5), agitator (4), tracheae (7) and abrasive Flow delivery hose (6), described air pump (8) connects polishing platform (2) by tracheae (7), described polishing platform (2) is by abrasive Flow delivery hose (6) and two SERVO CONTROL abrasive Flow delivery pumps (3, 5) and agitator (4) connect into a liquid-solid two phase abrasive particle flow circulating system, whole burnishing device carries out process control by described intelligent electric switch board (1),
Described polishing platform (2) comprises frame (21), Precision Lead-Screw transmission system, frame driving member (28), disc polishing tool (29), stainless steel swivel joint (211), gas-tpe fitting (212), work piece holder, work piece holder mounting seat (215) and stainless steel trough (216), described stainless steel trough (216) is arranged in frame (21), work piece holder mounting seat (215) is fixed on stainless steel trough (216) bottom, work piece holder is fixed in work piece holder mounting seat (215), the frame (21) of described stainless steel trough (216) both sides is fixed with the Precision Lead-Screw transmission system of symmetrical distribution, two Precision Lead-Screws (25) transmission system connection frame driving member (28) also drive described frame driving member (28) to move up and down, disc polishing tool (29) is arranged on the frame driving member (28) directly over described work piece holder, described two Precision Lead-Screw (25) transmission systems drive described disc polishing tool (29) to move up and down in described stainless steel trough (216) by driving described frame driving member (28) to move up and down,
Described disc polishing tool (29) forms large-area microspur gap with the upper surface of workpiece to be machined (9), disc polishing tool (29) is provided with inner chamber, the end face of disc polishing tool (29) is provided with the abrasive particle injection channel for injecting polishing abrasive particle with inner space, and described abrasive particle injection channel is connected abrasive Flow delivery hose (6) by stainless steel swivel joint (211) and is communicated with two SERVO CONTROL abrasive Flow delivery pumps (3,5) by abrasive Flow delivery hose (6); The side of described disc polishing tool (29) is also provided with equally distributed at least two air-flow injection channels, described air-flow injection channel and described inner space for injecting high velocity air to described inner chamber, described air-flow injection channel connects tracheae (7) by gas-tpe fitting (212) and connects air pump (8) by tracheae (7).
2. a kind of gas-liquid-solid three-phase abrasive Flow super-smooth surface fluid polishing device according to claim 1, is characterized in that: described abrasive particle injection channel optimum number is three, and air-flow injection channel optimum number is three.
3. a kind of gas-liquid-solid three-phase abrasive Flow super-smooth surface fluid polishing device according to claim 1, it is characterized in that: described Precision Lead-Screw (25) transmission system comprises stepper motor (27), leading screw (25) and line slideway (23), leading screw (25) and line slideway (23) are vertically installed, one end of described leading screw (25) connects stepper motor (27) by shaft coupling (26), and stepper motor (27) is fixed in described frame (21); The other end of described leading screw (25) is fixed in described frame (21) by bearing block (22); The two ends of described line slideway (23) are directly fixed in described frame (21); Described frame driving member (28) connects leading screw (25) and line slideway (23) and moved up and down in described stainless steel trough (216) by the driving of described stepper motor (27).
4. a kind of gas-liquid-solid three-phase abrasive Flow super-smooth surface fluid polishing device according to claim 1, it is characterized in that: described disc polishing tool (29) end face is also provided with plexiglas form, and described plexiglas form is the water white transparency circular glass be made up of resin material.
5. a kind of gas-liquid-solid three-phase abrasive Flow super-smooth surface fluid polishing device according to claim 1, is characterized in that: the outer surface of described work piece holder mounting seat (215) adopts chromium plating treatment process to process.
6. a kind of gas-liquid-solid three-phase abrasive Flow super-smooth surface fluid polishing device according to claim 1, it is characterized in that: described intelligent electric switch board (1) comprises PLC intelligent controller, relay, motor servo driver, various kinds of sensors and other appliance components, described intelligent electric switch board (1), by the duty of described various kinds of sensors accurate perception associated equipment, sends instruction in time and carries out high accuracy control to the equipment of associated.
7. a kind of gas-liquid-solid three-phase abrasive Flow super-smooth surface fluid polishing device according to claim 1, is characterized in that: the capacity of air pump (8) is 32 liters, maximum pressure is 2 MPas.
8. a kind of gas-liquid-solid three-phase abrasive Flow super-smooth surface fluid polishing device according to claim 1, is characterized in that: described tracheae (7) for diameter be the plastic conduit of eight points.
9. a kind of gas-liquid-solid three-phase abrasive Flow super-smooth surface fluid polishing device according to claim 1, is characterized in that: the transparent rubber flexible pipe that described abrasive Flow delivery hose (6) is embedded steel wire.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643473A (en) * | 2015-12-28 | 2016-06-08 | 广州大学 | Grinding device for peripheral surfaces of cylindrical workpieces |
| CN108581817A (en) * | 2018-04-02 | 2018-09-28 | 浙江工业大学 | A kind of Fenton auxiliary three-phase flow dynamic pressure cavitation polishing SiC optical surface method and devices |
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