CN108127547A - A kind of centrifugal impeller extrusion honing device and method - Google Patents

A kind of centrifugal impeller extrusion honing device and method Download PDF

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Publication number
CN108127547A
CN108127547A CN201711385167.4A CN201711385167A CN108127547A CN 108127547 A CN108127547 A CN 108127547A CN 201711385167 A CN201711385167 A CN 201711385167A CN 108127547 A CN108127547 A CN 108127547A
Authority
CN
China
Prior art keywords
centrifugal impeller
bottom plate
block
extrusion honing
impeller
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.)
Pending
Application number
CN201711385167.4A
Other languages
Chinese (zh)
Inventor
刘秀梅
何朝霞
吴晓锋
杨桢
张竞
胡思嘉
仇荣俊
王素娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AECC Aviation Power Co Ltd
Original Assignee
AECC Aviation Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AECC Aviation Power Co Ltd filed Critical AECC Aviation Power Co Ltd
Priority to CN201711385167.4A priority Critical patent/CN108127547A/en
Publication of CN108127547A publication Critical patent/CN108127547A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B31/00Machines 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
    • B24B31/10Machines 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
    • B24B31/116Machines 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B31/00Machines 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
    • B24B31/12Accessories; 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 present invention provides a kind of centrifugal impeller extrusion honing device and method, the device includes bottom plate, block, locating piece, bolt, cylinder, briquetting and protective pad, wherein, fixed stop and locating piece on bottom plate, setting cylinder above block, between block and locating piece, 2~4 scallop holes are set, bottom plate, block and cylinder form abrasive material channel on bottom plate;Block and shape in curved surface at impeller cooperation, curved shape retain the gap of 0.5~1mm with impeller blade tip type face;After installing centrifugal impeller, the small end face of centrifugal impeller is placed on locating piece, and protective pad and briquetting are set gradually on the large end face of centrifugal impeller, and bolt fastens protective pad, briquetting, centrifugal impeller, locating piece and bottom plate.The device coordinates with extrusion honing equipment, realizes the automation skin processing of the portion faces such as the blade to centrifugal impeller, runner, substitutes hand polish, reduces labor intensity, improves operating environment, improves impeller surface processing quality, improves processing efficiency.

Description

A kind of centrifugal impeller extrusion honing device and method
Technical field
The invention belongs to aero-engine centrifugal impeller technical fields, are related to a kind of centrifugal impeller extrusion honing device and side Method.
Background technology
Certain machine centrifugal impeller is an important component on turbo-starter and turbine generator, and function is to improve to flow through Air pressure inside starter.Impeller material is aluminium alloy, and structure is semi-open type, and an entirety is formed by matrix and blade, Its runner section is made of wheel hub, wheel cap, leaf basin, blade back, leading edge, rear, airfoil surface into spatial complex distort curved surface, blade it Between runner it is narrow, have square tooth form inner spline groove on impeller center hole.
The blade of impeller, runner position use Milling Process, and then hand polish reaches blade profile surface roughness Ra0.4um, water passage surface roughness reach Ra0.8um.Due to hand polish, there are skill difference, often can be in blade and runner table Face leaves apparent polishing trace, causes roughness unqualified.Therefore, carry out technical study and experiment, using extrusion honing work Process realizes the skin processing to portion faces such as impeller blade, runners.
Through inquiring, retrieving China State Intellectual Property Office website, GOOGLE patent search systems and other related web sites, send out Related report now similar to the present invention.
A kind of integral wheel class part rotates abrasive flows polishing method (application number:201210103751.7), a kind of entirety Leaf wheel-class parts rotate abrasive flows burnishing device (application number:201210103154.4), but the above-mentioned described polishing of two patents Device, process principle are different from processing method and this patent, and this patent is using the operation principle of extrusion honing, processing unit (plant) and adds Work mode carries out the polishing of impeller, and above-mentioned patent is that device, operation principle and the processing of selection are processed using rotation abrasive flows Mode has the difference of essence with this patent.
Invention content
The purpose of the present invention is to provide a kind of centrifugal impeller extrusion honing device and methods, can reduce labor intensity, Improve operating environment, improve impeller surface processing quality, improve processing efficiency, the whole manufacturing for promoting impeller is horizontal.
The present invention is to be achieved through the following technical solutions:
A kind of centrifugal impeller extrusion honing device, including bottom plate, block, locating piece, bolt, cylinder, briquetting and protective pad, Wherein, bottom plate is in the form of annular discs, centrally disposed bottom center hole;Locating piece is above bottom plate and with the heart coaxial with bottom center hole Locating piece centre bore;Block is removably disposed on bottom plate, in annular shape;Block and shape in curved surface at impeller cooperation, it is bent Planar shape retains the gap of 0.5~1mm with impeller blade tip type face;Protective pad and briquetting are respectively provided with mounting hole;In block and determine Between the block of position, 2~4 scallop holes are set, scallop hole circulates for abrasive material on bottom plate;After installing centrifugal impeller, centrifugal impeller Small end face be placed on locating piece, protective pad and briquetting are set gradually on the large end face of centrifugal impeller, bolt passes through protective pad Mounting hole, the mounting hole of briquetting, the endoporus of centrifugal impeller, locating piece centre bore and bottom center hole realized to centrifugal impeller It compresses;Cylinder is arranged on above block.
Preferably, the outer edge of bottom plate sets upward limit protrusion, the limit protrusion cooperation of block and bottom plate.
Preferably, screw hole is set on block, and by screw hole, block is connected by screw with bottom plate.
Preferably, handle is further included, handle is fixed on the lateral surface of cylinder.
Preferably, there is the cylinder installing port coordinated with cylinder, lower end and the cylinder of cylinder are installed on the outside of block upper side Mouth cooperation.
A kind of centrifugal impeller extrusion honing method, including step:
1) the centrifugal impeller extrusion honing device is connected into extrusion honing equipment, and centrifugal impeller is mounted on centrifugation In impeller extrusion honing device;
2) extrusion honing is carried out, wherein extrusion honing parameter is:
Set pressure:36~50kg/cm2
Standby pressure %:10~20%;
Metering abrasive material number:32~40 times;
Upper abrasive material cylinder pressure:20~30kg/cm2
Lower abrasive material cylinder pressure:20~30kg/cm2
Select the mesh black silicon carbide rubbing down material of 36 mesh~80.
Preferably, in step 1), 22~25kg abrasive materials are added in into the lower abrasive material cylinder of extrusion honing equipment.
Preferably, in step 1), the extrusion honing unit type of selection is SPKS-250.
Preferably, in step 2), extrusion honing parameter is:
Set pressure:43kg/cm2
Standby pressure %:10%;
Metering abrasive material number:35 times;
Upper abrasive material cylinder pressure:25kg/cm2
Lower abrasive material cylinder pressure:25kg/cm2
Select 36 mesh black silicon carbide rubbing down material.
Preferably, step 3) is further included:After the completion of extrusion honing, centrifugal impeller is taken out in operation equipment die sinking, clear with cotton The remaining abrasive material on centrifugal impeller surface is managed, and cleans, dry up.
Compared with prior art, the present invention has technique effect beneficial below:
The present invention provides centrifugal impeller extrusion honing device, including bottom plate, block, locating piece, bolt, cylinder, pressure Block and protective pad;After during installation centrifugal impeller, bottom plate, block and cylinder form abrasive flows circulation passage, and centrifugal impeller is fixed on bottom Plate center;Centrifugal impeller small end face is placed on locating piece, can prevent the impeller positioning surface that scratches or damage in clamping process.From Protective pad is set between lobus cardiacus wheel upper surface and briquetting, centrifugal impeller large end face is avoided to weigh wounded.Block 2 is protected with impeller blade tip type face The gap of 0.5~1mm is stayed, impeller blade tip position can be avoided damage to.The centrifugal impeller extrusion honing device can be with squeezing the top gem of a girdle-pendant Mill apparatus equipment coordinates, and realizes the automation skin processing of the portion faces such as the blade to centrifugal impeller, runner, substitutes and throws by hand Light.
A kind of centrifugal impeller extrusion honing method provided by the invention can realize the positions such as impeller blade, runner table The automation skin processing in face substitutes hand polish, reduces labor intensity, improves operating environment, improves impeller surface processing matter Amount improves processing efficiency, and the whole manufacturing for promoting impeller is horizontal.
Description of the drawings
Fig. 1 is impeller extrusion honing apparatus structure schematic diagram.
Fig. 2 is the diagrammatic cross-section of bottom plate.
Fig. 3 is the schematic top plan view of bottom plate.
Fig. 4 is the diagrammatic cross-section of block.
Fig. 5-1 is the diagrammatic cross-section of cylinder.
Fig. 5-2 is the schematic top plan view of cylinder.
Wherein, 1 is bottom plate;2 be block;3 be locating piece;4 be bolt;5 be screw;6 be cylinder;7 be briquetting;8 be anti- Protection pad;9 be handle, and 10 be centrifugal impeller.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and It is not to limit.
The present invention is by the structure and design feature of analysis centrifugal impeller 10, for 10 blade of centrifugal impeller, water passage surface Wait positions using hand polish there are the problem of, using extrusion honing equipment, develop 10 extrusion honing device of centrifugal impeller, experiment It determines rational technological parameter, realizes the automation skin processing of the portion faces such as 10 blade of centrifugal impeller, runner, substitute hand Work polishes.
The operating procedure of the invention:
1st, equipment is selected:Using extrusion honing equipment, the operation principle of this equipment is squeezed using upper and lower cylinder movement Mode makes the surface in the processed face of abrasive flows, endoporus or end angle, carries out deburring, the processing of chamfering, and with move back and forth into Row polishing.In a kind of concrete practice of the present invention, the unit type of selection is SPKS-250.
2nd, extrusion honing device is developed:10 location and installation of centrifugal impeller is existed using the small end face of centrifugal impeller 10, endoporus On the locating piece of extrusion honing device, 10 large end face of centrifugal impeller is compressed, centrifugal impeller 10 is made to be fixed on extrusion honing device.Dress Put structure diagram as shown in Figure 1, by bottom plate 1, block 2, locating piece 3, bolt 4, screw 5, cylinder 6, briquetting 7, protective pad 8, Handle 9 forms.Bottom plate 1, cylinder 6, briquetting 7 are manufactured with steel, and block 2, locating piece 3, protective pad 8 are manufactured with nylon, bolt 4, Screw 5, handle 7 are steel standard component.Block 2 is fastened on using screw 5 on bottom plate 1.To prevent from drawing in clamping process Hinder or 10 positioning surface of centrifugal impeller of damaging, locating piece 3 is placed on the centre bore of bottom plate 1, then by centrifugal impeller 10 using small End face and Internal hole positioning are mounted on locating piece 3.To prevent 10 large end face of centrifugal impeller from weighing wounded, protection is first placed on large end face Pad 8, recycling briquetting 7 and bolt 4 realize the compression to centrifugal impeller 10.To ensure that 10 positioning compression of centrifugal impeller is reliable, together When do not damage 10 blade tip position of centrifugal impeller, block 2 retains the gap of 0.5~1mm with 10 blade tip type face of centrifugal impeller.Centrifuge leaf After the completion of taking turns 10 positioning and clampings, cylinder 6 is placed on block 2.
As shown in Figures 2 and 3, bottom plate 1 is in the form of annular discs, and the outer edge of bottom plate 1 sets upward limit protrusion;It is set on bottom plate Three scallop holes are put, scallop hole circulates for abrasive material.1 centrally disposed centre bore of bottom plate and the circular positioning coaxial with centre bore Groove, locating piece 3 coordinate with positioning groove.
The block 2 is in annular shape, and longitudinal cross-section is as shown in figure 4, block 2 is placed on bottom plate 1 and outside and bottom plate 1 Limit protrusion coordinates, medial surface and upper side and the shape in curved surface at 10 cooperation of centrifugal impeller of block 2, curved shape and centrifugation 10 blade tip type face of impeller retains the gap of 0.5~1mm;Screw hole is set on block 2, by screw hole, block 2 and bottom plate 1 It is connected by screw 5.There is the cylinder installing port coordinated with cylinder 6 on the outside of 2 upper side of block.
As shown in Fig. 5-1 and Fig. 5-2, the cylinder 6 can coordinate with cylinder installing port;The side of cylinder 6 is provided with handle 9, for installing extrusion honing device.In a kind of feasible scheme, the baffle of the top setting circular ring shape of the cylinder 6, gear Plate is integrally formed with cylinder.Circular open in the baffle circulates for abrasive material.
Wherein, handle installing hole is set on cylinder 6, and handle 9 is mounted on cylinder sides by handle installing hole.
As shown in Fig. 2, locating piece 3 is placed on the centre bore of bottom plate 1, then centrifugal impeller 10 is utilized into small end face and endoporus Location and installation is on locating piece 3, and to prevent 10 large end face of centrifugal impeller from weighing wounded, protective pad 8 is first placed on large end face, is recycled Briquetting 7 and bolt 4 realize the compression to centrifugal impeller 10.
In a kind of concrete practice of the present invention, block 2 retains the gap of 0.5mm with 10 blade tip type face of centrifugal impeller.
3rd, abrasive material is selected:The mesh black silicon carbide rubbing down material of 36 mesh~80.
In a kind of concrete practice of the present invention, the black silicon carbide rubbing down material of 36 mesh is selected.
4th, extrusion honing parameter is set:
Extrusion honing equipment power switch is opened, into operating system, touches and enters metering pattern, setting extrusion honing ginseng Number.Feasible parameter area is as follows:
Set pressure:36~50kg/cm2
Standby pressure %:10~20%
Metering abrasive material number:32~40 times
Upper abrasive material cylinder pressure:20~30kg/cm2
Lower abrasive material cylinder pressure:20~30kg/cm2
In a kind of concrete practice of the present invention, one group of extrusion honing parameter setting as:
Set pressure:43kg/cm2
Standby pressure %:10%
Metering abrasive material number:35 times
Upper abrasive material cylinder pressure:25kg/cm2
Lower abrasive material cylinder pressure:25kg/cm2
5th, extrusion honing is processed:
First, hydraulic selector is opened, operation equipment rises abrasive material cylinder, and lower abrasive material cylinder declines, and adds in lower abrasive material cylinder Enter 22~25kg abrasive materials, and the extrusion honing device of development is mounted on equipment workbench;Secondly, centrifugal impeller 10 is utilized End face and Internal hole positioning are installed, are fixed on extrusion honing device, by the assembling of extrusion honing device in place;Finally, equipment is operated Molding into automatic start-up mode, calls the parameter set to carry out finishing to portion faces such as 10 blade of centrifugal impeller, runners Processing.
In a kind of concrete practice of the present invention, 25kg abrasive materials are added in lower abrasive material cylinder.
6th, after machining, part is taken out in operation equipment die sinking, with remaining the grinding on 10 surface of cotton cleaning centrifugal impeller Material, and clean, dry up.
7th, block and portable roughness instrument, 10 blade of detection centrifugal impeller, water passage surface, leaf are compared using roughness Piece profile surface roughness is less than Ra0.4um, and water passage surface roughness is less than Ra0.8um, meets production engineering specifications.
It is an advantage of the invention that:A kind of centrifugation 10 extrusion honing device and method of centrifugal impeller are provided, improve centrifugation leaf The processing quality of the portion faces such as 10 blades, runner is taken turns, shortens process time, improves processing efficiency, reduces worker's Labor intensity improves operating environment, and the whole manufacturing for improving centrifugation centrifugal impeller 10 is horizontal.

Claims (10)

1. a kind of centrifugal impeller extrusion honing device, which is characterized in that including bottom plate (1), block (2), locating piece (3), bolt (4), cylinder (6), briquetting (7) and protective pad (8), wherein,
Bottom plate (1) is in the form of annular discs, centrally disposed bottom plate (1) centre bore;Locating piece (3) is above the bottom plate (1) and has and bottom plate (1) locating piece (3) centre bore of the coaxial heart of centre bore;
Block (2) is removably disposed on bottom plate (1), in annular shape;Block (2) and shape in curved surface at impeller cooperation, curved surface Shape shape retains the gap of 0.5~1mm with impeller blade tip type face;Protective pad (8) and briquetting (7) are respectively provided with mounting hole;In block (2) between locating piece (3), 2~4 scallop holes are set, scallop hole circulates for abrasive material on bottom plate (1);
After installing centrifugal impeller, the small end face of centrifugal impeller is placed on locating piece (3), on the large end face of centrifugal impeller successively Setting protective pad (8) and briquetting (7), bolt (4) pass through the mounting hole of protective pad (8), mounting hole, the centrifugal impeller of briquetting (7) Endoporus, locating piece (3) centre bore and bottom plate (1) centre bore realize compression to centrifugal impeller;Cylinder (6) is arranged on block (2) top.
2. centrifugal impeller extrusion honing device as described in claim 1, which is characterized in that the outer edge of bottom plate (1) set to On limit protrusion, the limit protrusion of block (2) and bottom plate (1) coordinates.
3. centrifugal impeller extrusion honing device as described in claim 1, which is characterized in that screw hole is set on block (2), By screw hole, block (2) is connected by screw with bottom plate (1).
4. centrifugal impeller extrusion honing device as described in claim 1, which is characterized in that further include handle (9), handle (9) It is fixed on the lateral surface of cylinder (6).
5. centrifugal impeller extrusion honing device as described in claim 1, which is characterized in that have on the outside of block (2) upper side With cylinder (6) installing port of cylinder (6) cooperation, lower end and cylinder (6) installing port of cylinder (6) coordinate.
A kind of 6. centrifugal impeller extrusion honing method, which is characterized in that including step:
1) Claims 1 to 5 any one of them centrifugal impeller extrusion honing device is connected into extrusion honing equipment, and will centrifugation Impeller is mounted in centrifugal impeller extrusion honing device;
2) extrusion honing is carried out, wherein extrusion honing parameter is:
Set pressure:36~50kg/cm2
Standby pressure %:10~20%;
Metering abrasive material number:32~40 times;
Upper abrasive material cylinder pressure:20~30kg/cm2
Lower abrasive material cylinder pressure:20~30kg/cm2
Select the mesh black silicon carbide rubbing down material of 36 mesh~80.
7. centrifugal impeller extrusion honing method as claimed in claim 6, which is characterized in that in step 1), to extrusion honing 22~25kg abrasive materials are added in the lower abrasive material cylinder of equipment.
8. centrifugal impeller extrusion honing method as claimed in claim 6, which is characterized in that in step 1), the extruding of selection Honing device model SPKS-250.
9. centrifugal impeller extrusion honing method as claimed in claim 6, which is characterized in that in step 2), extrusion honing ginseng Number is:
Set pressure:43kg/cm2
Standby pressure %:10%;
Metering abrasive material number:35 times;
Upper abrasive material cylinder pressure:25kg/cm2
Lower abrasive material cylinder pressure:25kg/cm2
Select 36 mesh black silicon carbide rubbing down material.
10. centrifugal impeller extrusion honing method as claimed in claim 6, which is characterized in that further include step 3):Extrusion honing After the completion, operation equipment die sinking, takes out centrifugal impeller, and the remaining abrasive material on centrifugal impeller surface is cleared up with cotton, and cleans, blows It is dry.
CN201711385167.4A 2017-12-20 2017-12-20 A kind of centrifugal impeller extrusion honing device and method Pending CN108127547A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711385167.4A CN108127547A (en) 2017-12-20 2017-12-20 A kind of centrifugal impeller extrusion honing device and method

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Application Number Priority Date Filing Date Title
CN201711385167.4A CN108127547A (en) 2017-12-20 2017-12-20 A kind of centrifugal impeller extrusion honing device and method

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CN108127547A true CN108127547A (en) 2018-06-08

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109676525A (en) * 2019-01-07 2019-04-26 南京航空航天大学 A kind of impeller complexity inner flow passage abrasive Flow skin processing special fixture
CN112355813A (en) * 2020-10-29 2021-02-12 中国航发南方工业有限公司 Vertical grinding device for turbine rotor blade tips
CN115229616A (en) * 2022-07-29 2022-10-25 梁永伟 Water pump fan blade maintenance equipment
CN115383614A (en) * 2022-09-29 2022-11-25 中国航发动力股份有限公司 Guide type blade disc abrasive flow machining tool and using method

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Publication number Priority date Publication date Assignee Title
CN109676525A (en) * 2019-01-07 2019-04-26 南京航空航天大学 A kind of impeller complexity inner flow passage abrasive Flow skin processing special fixture
CN112355813A (en) * 2020-10-29 2021-02-12 中国航发南方工业有限公司 Vertical grinding device for turbine rotor blade tips
CN115229616A (en) * 2022-07-29 2022-10-25 梁永伟 Water pump fan blade maintenance equipment
CN115383614A (en) * 2022-09-29 2022-11-25 中国航发动力股份有限公司 Guide type blade disc abrasive flow machining tool and using method

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