CN102430983A - Two-side material supply type high-pressure grinding material water jet flow polishing device - Google Patents
Two-side material supply type high-pressure grinding material water jet flow polishing device Download PDFInfo
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- CN102430983A CN102430983A CN2011103863199A CN201110386319A CN102430983A CN 102430983 A CN102430983 A CN 102430983A CN 2011103863199 A CN2011103863199 A CN 2011103863199A CN 201110386319 A CN201110386319 A CN 201110386319A CN 102430983 A CN102430983 A CN 102430983A
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Abstract
The invention relates to a two-side material supply type high-pressure grinding material water jet flow polishing device, which comprises a grinding material spray gun and a rotating moving work table (24) positioned under the grinding material spray gun. The two-side material supply type high-pressure grinding material water jet flow polishing device is characterized in that the grinding material spray gun consists of a water jet flow spray nozzle (19), a mixing chamber (21), a grinding cabin (18) and a mixed material jet flow spray nozzle (22), the water jet flow spray nozzle (19) is positioned on the top of the mixing chamber (21), the mixed material jet flow spray nozzle (22) is positioned at the bottom of the mixing chamber (21), the water jet flow nozzle (19) and the mixed material jet flow spray nozzle (22) are positioned on the same axial line, an anti-sputtering cover (25) is arranged outside the rotating moving work table (24), a grinding material separator (26) is arranged under the anti-sputtering cover (25), a grinding material pump (28) arranged at the bottom of a water collecting tank (27) is arranged outside the grinding material separator (26), the water collecting tank (27) is connected with the water jet flow spray nozzle (19) through a pressure booster, and the grinding material pump (28) is connected with the grinding material cabin (18) through a pipeline.
Description
Technical field the invention belongs to the metal manufacture field, specifically a kind of new technology to surface polishing of metallic workpiece.
The background technology water-jet technology is the technical field that has the great development potentiality in the world today.At present, water-jet technology is widely used in fields such as oil, metallurgy, aviation, building, traffic, chemical industry, machinery, municipal works, has huge advantage at aspects such as surface clean, machining, mining excavation, catalase, environmental protection.
Traditional polishing technology is not suitable for the workpiece processing of abnormal curved surface (like blade), complex-shaped surface mould (like mould), slender rectangular tube and special material, and it is imperative that therefore suitable finishing method and glossing are selected in research.For the illustrative problem, only quote the processing method of two examples and technology " close " described in the invention at this.First sand-blasting machine; Its operation principle is that employing compressed air is power, will spray the material high velocity jet to surface of the work to form the high velocity jet bundle; The mechanical performance of the outer surface of surface of the work is changed; Its weak point: when workpiece was polished, the easy and workpiece frictional heat of sand grains caused the workpiece thermal deformation easily.It two is the belt grinding machines that are used for turbine blade polishing; The flexibility of this device is good especially; Can polish curved surface, weak point is that root of blade and boss place can not throw, and cooling fluid can not finely contact with the part of polishing; And to often change the abrasive band, have a strong impact on working (machining) efficiency and increased processing cost.
Summary of the invention the objective of the invention is for solving the deficiency of above-mentioned traditional polishing mode to abnormal curved surface (like blade) polishing, designs that a kind of abrasive material and water mix more fully, raising polishing efficiency, abrasive material and water can be recycled, the bilateral feeding type high-pressure grinding material water jet burnishing device that can carry out polishing to the different shape complex surfaces.
Technical scheme of the present invention is:
A kind of bilateral feeding type high-pressure grinding material water jet burnishing device comprises: the abrasive material spray gun, and be positioned at revolving below the abrasive material spray gun and move workbench, it is characterized in that:
The abrasive material spray gun is made up of water jet nozzle, mixing chamber, abrasive material storehouse and compound jet nozzle; Water jet nozzle, abrasive material storehouse, compound jet nozzle are communicated with mixing chamber respectively; Water jet nozzle is positioned at the mixing chamber top, and the compound jet nozzle is positioned at the mixing chamber bottom, and water jet nozzle and compound jet nozzle are positioned on the same axis; And the abrasive material storehouse has two, is symmetrically located at the mixing chamber both sides;
Revolve and move workbench outside and be provided with in the splash guard, the splash guard bottom is provided with funnel, is provided with the abrasive material separator that is communicated with funnel below the splash guard, and abrasive material separator outside is provided with header tank, abrasive pump is housed bottom the abrasive material separator;
Header tank is connected with water jet nozzle with supercharging device in the pipeline through pipeline;
Abrasive pump is connected with two abrasive material storehouses through pipeline.
Further scheme is: supercharging device comprises oil pump, water tank, water pump, booster, accumulator; Oil pump is connected with booster; The pump sump mouth is communicated with header tank through water tank; Pump outlet is communicated with the booster high-pressure side through check valve, and the booster high-pressure side is communicated with the accumulator water inlet through check valve, and the accumulator delivery port is communicated with water jet nozzle.
In the present invention, can adopt existing multiple booster, its basic principle that obtains high pressure is following: mainly utilize the difference of booster two ends big piston and valve piston area to realize.The low-pressure water of extracting out from water tank when water pump gets into the high pressure cylinder of booster from check valve, and the side-to-side movement through intensifier piston produces water under high pressure.
Water under high pressure after the supercharging gets into accumulator through check valve, eliminates pressure pulsation, forms the constant voltage current, and the constant voltage current are regulated the pressure of water through the pipeline flow-direction water jet nozzle through by-pass cock.
Water under high pressure is that water jet nozzle forms high-speed water jet through first nozzle; Because of entrainmenting of jet acts on the certain vacuum of generation in the mixing chamber; The speed of water jet is high more, and the vacuum that produces in the mixing chamber is big more, and this makes the certain pressure differential of formation between abrasive material storehouse and the mixing chamber; Abrasive material gets into mixing chamber under deadweight and action of pressure; Forming compound with diffusion of water jet generation sharp impacts and blending, is the ejection of abradant jet nozzle through second nozzle again, thereby forms mill liquid jet.At this moment, the abrasive material in the mill liquid has obtained certain energy, and bump and friction through to surface of the work reach the effect of " peak load shifting " and strengthening surface, thereby improves surface smoothness.Simultaneously, revolve and move workbench drive workpiece by preestablishing, rotate and/or move with speed v with rotation speed n, perhaps revolve and move workbench drive workpiece by preestablishing with the rotation speed n rotation, the abrasive material spray gun moves with speed v, realizes the workpiece regions is carried out polishing operation.
The effect of splash guard is to prevent to grind liquid to splash, and flows to the abrasive material separator through conical lower portion.The abrasive material separator can be a centrifugal separator, because action of centrifugal force, the water in the mill liquid is got back to header tank through filtering, and header tank is connected realization water through pipeline and supercharging device in the pipeline and recycles with water jet nozzle.And the abrasive material in the mill liquid can not see through greater than the aperture of filter core owing to its particle diameter, and the abrasive material that is separated is transported in the abrasive material storehouse through abrasive pump once more, and abrasive material can be recycled.
The abrasive water-jet polishing is compared with traditional finishing method and is had the following advantages:
(1) rapidoprint is in extensive range, but processing metal, glass, pottery, stone material, composite, combustible material, coated steel sheet etc.
(2) cold conditions processing can not cause adverse effects such as material structure variation or thermal deformation, and this processing to many high-performance, thermo-sensitive material and magnetic material is particularly important.
(3) controllability is good, and processing can begin from arbitrfary point on the workpiece, carries out on can be in any direction, can process the unmanageable part of common process, can carry out polishing to the different shape complex surfaces.
(4) green processing does not have pollutions such as dust, greasy dirt, smog, spark, smell to environment.
(5) technological preparation time weak point, production efficiency is high.
(6) through design new type abrasive jet polishing nozzle, and this nozzle employing bilateral feeding manner, its structure is passed through optimal design; It is more abundant to make that abrasive material and water mix, thereby has improved polishing efficiency, compares with the nozzle of one-sided feed; Bilateral feed nozzle; Not only shorten the incorporation time of abrasive material and water, and shortened the length of abrasive jet (sandpipe), thereby reduced the expense of material.Polish nozzle through designing novel abradant jet, and then a kind of bilateral feeding type high-pressure grinding material water jet burnishing device is provided.
(7) abrasive material and water are all recycled.
(8) because flexible processing of the present invention is relatively good,, can obtain different pressure and flow through regulating booster and the diameter that changes nozzle.Change relevant technological parameter, such as: the particle diameter of abrasive material, range (jet length), process time or the like can process different objects, like steel, carbide alloy, pottery or the like.
Description of drawings
Fig. 1 is the schematic diagram of bilateral feeding type high-pressure grinding material water jet burnishing device;
Fig. 2 is bilateral feeding type nozzle arrangements and clamping workpiece sketch map.
Code name is respectively among the figure; 1, fuel tank; 2, filter; 3, check valve; 4, filter; 5, overflow valve; 6, oil pump; 7, water pump; 8, check valve; 9, overflow valve; 10, reversal valve; 11, check valve; 12, check valve; 13, booster; 14, check valve; 15, check valve; 16, accumulator; 17, by-pass cock; 18, abrasive material storehouse; 19, water jet nozzle; 20, by-pass cock; 21, mixing chamber; 22, compound jet nozzle; 23, workpiece; 24, revolve and move workbench; 25, splash guard; 26, abrasive material separator; 27, header tank; 28, abrasive pump (shell pump); 29, water pump; 30, water tank; 31, filter; 32, by-pass cock.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in detail.Certainly, following specific embodiment only
, be not to be used to limit the present invention only in order to further explanation the present invention.
In conjunction with Fig. 1, Fig. 2, a kind of bilateral feeding type high-pressure grinding material water jet burnishing device comprises: the abrasive material spray gun, and be positioned at revolving below the abrasive material spray gun and move workbench 24, it is characterized in that:
The abrasive material spray gun is made up of water jet nozzle 19, mixing chamber 21, abrasive material storehouse 18 and compound jet nozzle 22; Water jet nozzle 19, abrasive material storehouse 18, compound jet nozzle 22 are communicated with mixing chamber 21 respectively; Water jet nozzle 19 is positioned at mixing chamber 21 tops, and compound jet nozzle 22 is positioned at mixing chamber 21 bottoms, and water jet nozzle 19 is positioned on the same axis with compound jet nozzle 22; And abrasive material storehouse 18 has two, is symmetrically located at mixing chamber 21 both sides;
Revolve and move workbench 24 outsides and be provided with in the splash guard 25; Splash guard 25 bottoms are provided with funnel; Be provided with the abrasive material separator 26 that is communicated with funnel below the splash guard 25, abrasive material separator 26 outsides are provided with header tank 27, and abrasive pump (shell pump) 28 is equipped with in abrasive material separator 26 bottoms;
Supercharging device comprises oil pump 6, water tank 30, water pump 7, booster 13, accumulator 16; Oil pump 6 is connected with booster 13; Water pump 7 water sucking mouths are communicated with header tank 27 through water tank 30; Water pump 7 delivery ports are communicated with booster 13 high-pressure sides through check valve 11,12, and booster 13 high-pressure sides are communicated with accumulator 16 water inlets through check valve 14,15, and accumulator 16 delivery ports are communicated with water jet nozzle 19.
This embodiment comprises compound jet nozzle 22; By-pass cock 20; Water jet nozzle 19; By-pass cock 17; Accumulator 16; Check valve 15; Check valve 14; Booster 13; Check valve 12; Check valve 11; Three position four-way directional control valve 10; Overflow valve 9; Check valve 8; Water pump 7; Oil pump 6; Overflow valve 5; Filter 4; Check valve 3; Filter 2; By-pass cock 32; Hydraulic oil container 1; Filter 31; Water tank 30; Water pump 29; Header tank 27; Abrasive material separator 26; Splash guard 25; Shell pump 28; Abrasive material storehouse 18 and plurality of pipelines.Described water jet nozzle 19 is placed in the top of mixing chamber 21; Water inlet end place at water jet nozzle 19 connects by-pass cock 17, connects accumulator 16 through pipeline, is connecting check valve 14 and check valve 15 respectively through two pipelines; Connect booster 13 at check valve 11,12,14, between 15; The interface of booster connects three position four-way directional control valve 10, and a pipeline of reversal valve 10 is a return line, on this pipeline, needs to connect overflow valve 5, filter 4 and check valve 3; Need on another pipeline to connect check valve 8, oil pump 6, filter 2 and by-pass cock 32, these two pipelines all are connected to fuel tank 1 at last.Pipeline intersection at check valve 11 and check valve 12 is connected overflow valve 9, and the end of overflow valve 9 is connected to water tank 30.On this pipeline, also be connected with water pump 7, connect filter 29 at pipeline, the end of filter 29 connects water tank 28.On this pipeline, also be connected with water pump 7, connect filter 31 at pipeline, the end of filter 31 connects water tank 30.Described compound jet nozzle 22 is placed in the splash guard 25; The outlet of splash guard 25 is placed in abrasive material separator 26 and the header tank 27; Abrasive material separator 26 whole being placed in the header tank 27, the port of export of header tank 27 connects water pump 29, and water pump 29 is connected to water tank 30 through pipeline.The outlet of abrasive material separator 26 connects abrasive material (mud) pump 28, and abrasive material (mud) pump 28 is connected to abrasive material storehouse 18 through pipeline.
The compound jet nozzle 22 of this embodiment is cylinder nozzle or gap nozzle, and so being provided with mainly is to let abrasive material and water mix quickly, and the energy that lets abrasive material obtain is bigger, improves polishing efficiency.
Claims (2)
1. bilateral feeding type high-pressure grinding material water jet burnishing device comprises: the abrasive material spray gun, and be positioned at revolving below the abrasive material spray gun and move workbench (24), it is characterized in that:
The abrasive material spray gun is made up of water jet nozzle (19), mixing chamber (21), abrasive material storehouse (18) and compound jet nozzle (22); Water jet nozzle (19), abrasive material storehouse (18), compound jet nozzle (22) are communicated with mixing chamber (21) respectively; Water jet nozzle (19) is positioned at mixing chamber (21) top; Compound jet nozzle (22) is positioned at mixing chamber (21) bottom; Water jet nozzle (19) and compound jet nozzle (22) are positioned on the same axis, and abrasive material storehouse (18) have two, are symmetrically located at mixing chamber (21) both sides;
Revolve and move workbench (24) outside and be provided with in the splash guard (25); Splash guard (25) bottom is provided with funnel; Be provided with the abrasive material separator (26) that is communicated with funnel below the splash guard (25), abrasive material separator (26) outside is provided with header tank (27), and abrasive pump (28) is equipped with in abrasive material separator (26) bottom;
Header tank (27) is connected with water jet nozzle (19) with supercharging device in the pipeline through pipeline;
Abrasive pump (28) is connected with two abrasive material storehouses (18) through pipeline.
2. bilateral feeding type high-pressure grinding material water jet burnishing device according to claim 1; It is characterized in that: supercharging device comprises oil pump (6), water tank (30), water pump (7), booster (13), accumulator (16); Oil pump (6) is connected with booster (13); Water pump (7) water sucking mouth is communicated with header tank (27) through water tank (30); Water pump (7) delivery port is communicated with booster (13) high-pressure side through check valve (11,12), and booster (13) high-pressure side is communicated with accumulator (16) water inlet through check valve (14,15), and accumulator (16) delivery port is communicated with water jet nozzle (19).
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| CN 201110386319 CN102430983B (en) | 2011-11-24 | 2011-11-24 | Two-side material supply type high-pressure grinding material water jet flow polishing device |
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| CN 201110386319 CN102430983B (en) | 2011-11-24 | 2011-11-24 | Two-side material supply type high-pressure grinding material water jet flow polishing device |
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| CN102430983A true CN102430983A (en) | 2012-05-02 |
| CN102430983B CN102430983B (en) | 2013-06-12 |
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| CN 201110386319 Expired - Fee Related CN102430983B (en) | 2011-11-24 | 2011-11-24 | Two-side material supply type high-pressure grinding material water jet flow polishing device |
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| CN102689246A (en) * | 2012-05-24 | 2012-09-26 | 东华大学 | Controllable mix abrasive jet polishing equipment for large-scale ultra-precision optical glass |
| CN103072086A (en) * | 2012-12-20 | 2013-05-01 | 杭州天诚机电设备有限公司 | Method and device for swirling abrasive water jet cleaning |
| CN104290040A (en) * | 2013-07-16 | 2015-01-21 | 江苏旭升水射流科技有限公司 | 3D printout surface sand blasting processing machine |
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