CN105965353A - Abrasive belt grinding device suitable for grinding and polishing blade profiles and air intake and exhaust edges of integral blade disc - Google Patents

Abrasive belt grinding device suitable for grinding and polishing blade profiles and air intake and exhaust edges of integral blade disc Download PDF

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Publication number
CN105965353A
CN105965353A CN201610357169.1A CN201610357169A CN105965353A CN 105965353 A CN105965353 A CN 105965353A CN 201610357169 A CN201610357169 A CN 201610357169A CN 105965353 A CN105965353 A CN 105965353A
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CN
China
Prior art keywords
grinding
contact wheel
idle pulley
abrasive belt
wheel
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Granted
Application number
CN201610357169.1A
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Chinese (zh)
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CN105965353B (en
Inventor
黄智�
周振武
万从保
王洪艳
陈祥
李凯
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University of Electronic Science and Technology of China
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University of Electronic Science and Technology of China
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Priority to CN201610357169.1A priority Critical patent/CN105965353B/en
Publication of CN105965353A publication Critical patent/CN105965353A/en
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Publication of CN105965353B publication Critical patent/CN105965353B/en
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Classifications

    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/16—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape
    • B24B21/165—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape for vanes or blades of turbines, propellers, impellers, compressors and the like
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/002—Machines or devices using grinding or polishing belts; Accessories therefor for grinding edges or bevels
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18—Accessories
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18—Accessories
    • B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses an abrasive belt grinding device suitable for grinding and polishing blade profiles and air intake and exhaust edges of an integral blade disc. The abrasive belt grinding device mainly comprises an installation flange, idle wheels, a tensioning mechanism, a driving wheel, a contact wheel mechanism, a grinding force control mechanism, a grinding head supporting plate, a spindle motor and the like. The idle wheels, a tensioning wheel, a contact wheel and the driving wheel are fixed to the grinding head supporting plate through rigid shafts. The spindle motor drives the driving wheel to achieve high-speed movement of an abrasive belt. A floating air cylinder controls the tensioning wheel to achieve tensioning of the abrasive belt. The contact wheel is installed on a contact wheel support. The contact wheel support is installed on the grinding head supporting plate in a hinged mode, and the tail end of the contact wheel support is connected with the output end of a precise serve electric cylinder. Swinging of the contact wheel support and control over the grinding force are achieved through the pushing of the servo electric cylinder. The abrasive belt grinding device suitable for grinding and polishing the blade profiles and the air intake and exhaust edges of the integral blade disc is ingenious in structural design, high in grinding and polishing flexibility, high in universality, capable of being integrated on a numerical-control machine tool easily, and capable of greatly reducing the production cost and has high practical value and promotional value.

Description

A kind of abrasive belt grinding device being applicable to blade profile of integrated bladed disk and the grinding and polishing of intake and exhaust limit
Technical field
The invention belongs to Field of Aviation Manufacturing, refer to the manufacture of aero-engine blisk part, tool Saying of body, the abrasive band relating to the grinding-polishing for realizing blade profile of integrated bladed disk and intake and exhaust limit is ground Turning device.
Background technology
Aero-engine manufacturing technology is to weigh the weight of an industrial and high-end equipment manufacturing level of state aviation Want index.Blisk is the important vital part improving aero-engine thrust-weight ratio, to aero-engine Performance boost has conclusive effect, is related to the Important Project of China's aviation industry and military capability of the country, whole The blade profile of body leaf dish and the processing machining accuracy on intake and exhaust limit and surface quality to aero-engine can Vital impact is had by property and dynamic property.
Processing blisk mainly uses following equipment and method the most at present: blisk passes through numerical control mill After cutting, special numerical control abrasive band lathe or manual method must be used to enter leaf dish to eliminate milling cutter tool marks Row polishing processing processes.
The mainly problem of the method for above-mentioned independent employing numerical control abrasive band polishing processing or artificial rubbing down is:
(1) arc radius on the intake and exhaust limit of integrated impeller blade is smaller, common numerical control belt grinding machine Bed is difficulty with the holotype face to it and realizes polishing, adds the narrow of spacing between the blade of leaf dish, is easily caused Bistrique is interfered, and blade intake and exhaust rounded at the edge is the least to be easily caused grinding and polishing and cross and cut generation, additionally sanding belt special mill Throwing machine is expensive.
(2) impeller blade is polished by workman with hand-held burnishing device, and the labor intensity of workman is big, Low and blade the surface conformance of working (machining) efficiency is poor, and yield rate is the highest, has had a strong impact on criticizing of blisk Quantify to produce.
Summary of the invention
It is an object of the invention to overcome drawbacks described above, design one be applicable to blade profile of integrated bladed disk and The abrasive belt grinding device of intake and exhaust limit grinding and polishing, to solve current manual's grinding integrated impeller blade labor intensity Greatly, efficiency is low, and the problem that overground and deficient mill causes blade concordance difference easily occurs in blade.
The technical solution used in the present invention is as follows: the invention discloses one and is applicable to blade profile of integrated bladed disk Abrasive belt grinding device with the grinding and polishing of intake and exhaust limit, it is characterised in that: idle pulley 1 (18), idle pulley 2 (19), Idle pulley 3 (20), strainer (12), driving wheel (10), contact wheel mechanism (13), and grinding force Controlling organization (16) is all arranged in bistrique gripper shoe (4), idle pulley 1, idle pulley 2, idle pulley 3, idle pulley 4, contact wheel (1), regulating wheel (5) and driving wheel (10) all pass through abrasive band (8) connection, in order to On the premise of compact conformation, ensure abrasive band length, idle pulley 1 (18) idle pulley 2 (19) idle pulley 3 (20) in Triangle-Profile is in bistrique gripper shoe (4), and idle pulley and contact wheel (1) are all by stiff shaft (11) It is fixed in bistrique gripper shoe.
Described strainer (12) construction features is: tensioning cylinder (7) is fixedly mounted on bistrique gripper shoe (4), on, cylinder outfan and the connection of pitman shaft (6), pitman shaft one end and bistrique gripper shoe are by turning Pin connects, and the other end of pitman shaft is fixed with stiff shaft, stiff shaft is fixed with regulating wheel (5).
Described contact wheel mechanism (13) includes contact wheel support (3), contact wheel (1) and several are auxiliary Help idle pulley composition, contact wheel support is connected by the way of hinged with bistrique gripper shoe, contact wheel support in L-shaped.
Described control of grinding force mechanism (16) includes servo electric jar (15), servo drive motor (17), Drive shaft (14) forms, and servo electric jar (15) is arranged in bistrique gripper shoe (4), servo-electric The outfan of cylinder is connected with contact wheel support (3) by drive shaft.
Described bistrique is used for the intake and exhaust limit of grinding impeller blade, is fitted together by all parts；Each Train is linked together by abrasive band, is realized the tensioning in abrasive band by strainer, prevents abrasive band because of grinding Processing fluffs and comes off；The control to grinding force is realized, in order to be applicable to blade by control of grinding force mechanism Enter the efficient polishing of the uneven surplus of trailing edge.Bistrique gripper shoe is integrated in the Digit Control Machine Tool of more than five axles On, the automatization's grinding-polishing processing to blade profile of integrated bladed disk and intake and exhaust limit can be realized.
It is an advantage of the current invention that:
1, by this abrasive belt grinding device is arranged on the lathe with numerical control rotating platform, with digital control processing Mode replace hand grinding, improve crudy and the precision on leaf dish intake and exhaust limit, it is ensured that Ye Panjin The concordance of aerofluxus limit blade, improves the service life of blisk.
2, the grinding wheel head structure of apparatus of the present invention is simple, it is easy to assembling, and the replacing in abrasive band is convenient.
3, apparatus of the present invention can realize blade profile and the grinding-polishing on intake and exhaust limit of blisk, can To realize the grinding of two key positions simultaneously, decrease the clamping times of leaf dish, decrease because of clamping The error caused.
4, in polishing process, by the polishing to uneven surplus of the control realization of grinding force, with tradition Abrasive belt grinding device is compared has more preferable mechanical stability, it is ensured that the concordance of blade, improves leaf dish Aeroperformance.
5, the present invention uses polishing processing device to realize blade profile of integrated bladed disk and the grinding on intake and exhaust limit Finishing method, compares manual polishing mode, and not only grinding accuracy all improves a lot with crudy stability, And reduce labor intensity, improve the production efficiency of processing.
Accompanying drawing explanation
Fig. 1 is the shaft side figure of apparatus of the present invention.
Fig. 2 is the partial view of the tensioner of the present invention.
Fig. 3 is the contact wheel support schematic diagram of the present invention.
Fig. 4 is the schematic diagram at the invention back side.
Fig. 5 is the front view of the present invention.
Fig. 6 is schematic diagram during apparatus of the present invention grinding integrated impeller blade leading edge.
The partial view A that when Fig. 7 is Fig. 6 grinding, contact wheel contacts with leaf dish.
Fig. 8 is schematic diagram during apparatus of the present invention grinding integrated impeller blade aerofluxus limit.
Fig. 9 is the partial view B of Fig. 8.
Figure 10 is the schematic diagram of apparatus of the present invention grinding and polishing integrated impeller blade convex surface
Figure 11 is the partial view C of Figure 10.
Figure 12 is the schematic diagram of apparatus of the present invention grinding and polishing integrated impeller blade concave surface.
Figure 13 is the partial view D of Figure 12.
The wherein title corresponding to reference: 1-contact wheel, 2-idle pulley 4,3-contact wheel support, 4-bistrique props up Fagging, 5-regulating wheel, 6-pitman shaft, 7-tensioning cylinder, 8-abrasive band, 9-spindle motor, 10-driving wheel, 11-stiff shaft, 12-strainer, 13-contact wheel mechanism, 14-drive shaft, 15-servo electric jar, 16- Control of grinding force mechanism, 17-drives motor, 18-idle pulley 1,19-idle pulley 2,20-idle pulley 3, and 21-is overall Leaf dish.
Specific embodiments
This grinding head device includes driving wheel 10, some idle pulleys, contact wheel mechanism 13, control of grinding force mechanism 16, bistrique gripper shoe 4, spindle motor 9, some stiff shafts 11 form.By the peace in bistrique gripper shoe Grinding wheel head structure is arranged on the lathe of numerical control rotating platform by dress hole, it is achieved the mill to blisk intake and exhaust limit Cut polishing.
The axle being illustrated in figure 1 apparatus of the present invention surveys view, it is clear that each mechanism is the most solid in figure Being scheduled in bistrique gripper shoe, train is linked together by abrasive band.Spindle motor is arranged in bistrique gripper shoe, One end of spindle motor is provided with driving wheel, and idle pulley is fixed in bistrique gripper shoe 4 by stiff shaft 11.
Fig. 2 is the schematic diagram of the strainer of this device, mainly includes tensioning cylinder 7, pitman shaft 6, opens Bearing up pulley 5, stiff shaft 11 forms, and tensioning cylinder is fixed in bistrique gripper shoe 4, is promoted even by cylinder 7 Bar axle 6 swings, and one end of pitman shaft is arranged in bistrique gripper shoe 4, and the other end is provided with regulating wheel 5, Fluctuating of regulating wheel is driven to realize the tensioning in abrasive band by swinging of stiff shaft.
The schematic diagram of Fig. 3 position contact wheel support, auxiliary including contact wheel support 3, contact wheel 1 and two The idle pulley composition helped, contact wheel support is arranged in bistrique gripper shoe 4, and contact wheel support is L-shaped.Upper end Leave the control of rectangular channel beat and grinding force for realizing contact wheel support.
This grinding attachment of Fig. 4 position schematic diagram below, this view clearly show the control machine of grinding force Structure, including servo electric jar 15, servo drive motor 17, drive shaft 14 forms, servo electric jar 15 Being arranged in bistrique gripper shoe 4, the outfan of servo electric jar is connected with contact wheel support 3 by drive shaft, Drive shaft realizes linear motion by the guide-track groove in bistrique gripper shoe, promotes contact wheel support 3 to realize beat Motion, realizes the control of grinding force, and little range contact wheel appearance by driven by servomotor servo electric jar The adjustment of state.
Fig. 5 is the front view of this grinding attachment, in order to obtain the sand of sufficient length under conditions of compact conformation With idle pulley 1 (18) idle pulley 2 (19) idle pulley 3 (20) in the gripper shoe driving wheel that is distributed in triangular in shape Lower section.
Fig. 6 is the schematic diagram of grinding leading edge, for the display contact wheel become apparent from and the grinding appearance of leaf dish State adds partial view 7, and in figure, blisk (21) contacts with the contact wheel 1 of grinding attachment.
Fig. 8 is the schematic diagram on grinding aerofluxus limit, and Fig. 9 is the partial schematic diagram that Fig. 8 contact wheel contacts with leaf dish, Two figures show grinding attitude during bistrique grinding aerofluxus limit.
Figure 10 is the schematic diagram of grinding integrated impeller blade convex surface, and Figure 11 is the office that contact wheel contacts with leaf dish Portion's schematic diagram, bistrique and the grinding appearance of blisk during main display bistrique grinding blade profile of integrated bladed disk State.
Figure 12 is the schematic diagram of grinding integrated impeller blade concave surface, and Figure 13 is the partial view of Figure 12, clearly The clear attitude of bistrique when illustrating grinding impeller blade concave surface.
The work process of the present invention is as follows: be arranged on the rotary table of Digit Control Machine Tool by blisk, logical Cross and perform numerical control program and adjust the angle of contact wheel support and realize contact wheel and contact with blade profile of integrated bladed disk Attitude, simultaneously by driving servo electric jar control grinding force to adapt to the course of processing of uneven surplus, real Automatization's processing of existing impeller blade, the method not only increases polishing efficiency and the polishing matter of blisk Amount, also reduces scrappage, it is ensured that the concordance of impeller blade simultaneously.
According to above-described embodiment, just can preferably realize the present invention, not with the present invention for limiting.It is worth saying Bright, on the premise of above-mentioned design principle, for solving same technical problem, even if in the present invention Some made on disclosed architecture basics without substantial change or polishing, the technical scheme used Essence is still as the present invention, therefore it should also be as within the scope of the present invention.

Claims (5)

1. it is applicable to blade profile of integrated bladed disk and an abrasive belt grinding device for intake and exhaust limit grinding and polishing, its It is characterised by: idle pulley 1 (18), idle pulley 2 (19), idle pulley 3 (20), strainer (12), driving wheel (10), contact wheel mechanism (13), and control of grinding force mechanism (16) is all arranged on bistrique gripper shoe (4) On, idle pulley 1, idle pulley 2, idle pulley 3, idle pulley 4 (2), contact wheel (1), regulating wheel (5) and drive Driving wheel (10) all passes through abrasive band (8) and connects, and each idle pulley and contact wheel are all by stiff shaft (11) It is fixed in bistrique gripper shoe.
One the most according to claim 1 is applicable to blade profile of integrated bladed disk and intake and exhaust limit mill The abrasive belt grinding device thrown, it is characterised in that: in order to ensure abrasive band length on the premise of compact conformation, lazy 1 (18) idle pulley 2 (19) idle pulley 3 (20) is triangular in shape is distributed in bistrique gripper shoe (4) for wheel.
One the most according to claim 1 is applicable to blade profile of integrated bladed disk and intake and exhaust limit mill The abrasive belt grinding device thrown, it is characterised in that: described strainer (12) includes tensioning cylinder (7), connects Bar axle (6), regulating wheel (5) form, and wherein tensioning cylinder (7) is fixedly mounted on bistrique gripper shoe (4) On, cylinder outfan and the connection of pitman shaft (6), pitman shaft one end and bistrique gripper shoe are by the company of shipping and reselling on another market Connect, the other end of pitman shaft is fixed with stiff shaft, stiff shaft is fixed with regulating wheel (5).
One the most according to claim 1 is applicable to blade profile of integrated bladed disk and intake and exhaust limit mill Throw abrasive belt grinding device, it is characterised in that: described contact wheel mechanism (13) include contact wheel support (3), Contact wheel (1) and idle pulley 4 (2) and auxiliary wheel form, contact wheel support and bistrique gripper shoe (4) Connecting by the way of hinged, contact wheel support is L-shaped.
One the most according to claim 1 is applicable to blade profile of integrated bladed disk and intake and exhaust limit mill The abrasive belt grinding device thrown, it is characterised in that: described control of grinding force mechanism (16) includes servo electric jar (15), servo drive motor (17), drive shaft (14) forms, and servo electric jar (15) is arranged on mill On head gripper shoe (4), servo electric jar outfan is connected with contact wheel stent ends (3) by drive shaft.
CN201610357169.1A 2016-05-25 2016-05-25 It is a kind of suitable for blade profile of integrated bladed disk and the abrasive belt grinding device of intake and exhaust side grinding and polishing Active CN105965353B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108296946A (en) * 2018-03-19 2018-07-20 广东恒合信管业科技有限公司 A kind of belt grinder for tubing
CN109623590A (en) * 2018-11-23 2019-04-16 华中科技大学 A kind of accurate power control grinding and polishing apparatus of full digital Coupled Rigid-flexible and control method
CN109702611A (en) * 2019-01-31 2019-05-03 中国航发动力股份有限公司 The abrasive belt grinding device and its application method that a kind of pressure and tensile force jointly control
CN113787380A (en) * 2021-06-30 2021-12-14 中国航发动力股份有限公司 Numerical control grinding method for irregular profile on blade
CN116352566A (en) * 2023-06-01 2023-06-30 沈阳强航时代精密科技有限公司 Aviation blade air inlet and outlet edge polishing device and polishing method

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US2587603A (en) * 1949-05-17 1952-03-04 United Aircraft Corp Turbine blade grinding machine
CN201511295U (en) * 2009-09-11 2010-06-23 重庆三磨海达磨床有限公司 Screw propeller blade abrasive band grinding machine
CN102303275A (en) * 2011-08-11 2012-01-04 西北工业大学 Flexible polishing mechanism for blade profile abrasive belt
CN102729124A (en) * 2012-07-09 2012-10-17 重庆大学 Abrasive belt grinding device applicable to inner and outer cambered surfaces of blades of aerospace blisk
CN102814715A (en) * 2012-08-31 2012-12-12 中国人民解放军国防科学技术大学 Wheel and belt polishing device and machine tool for inner and outer surfaces and free-form surfaces of high-steepness parts
CN103029022A (en) * 2013-01-18 2013-04-10 吉林大学 Abrasive belt tool system for automatically polishing blisk
CN203726303U (en) * 2013-10-31 2014-07-23 吉林大学 Controllable pressure abrasive belt tool system for blade polishing

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2587603A (en) * 1949-05-17 1952-03-04 United Aircraft Corp Turbine blade grinding machine
CN201511295U (en) * 2009-09-11 2010-06-23 重庆三磨海达磨床有限公司 Screw propeller blade abrasive band grinding machine
CN102303275A (en) * 2011-08-11 2012-01-04 西北工业大学 Flexible polishing mechanism for blade profile abrasive belt
CN102729124A (en) * 2012-07-09 2012-10-17 重庆大学 Abrasive belt grinding device applicable to inner and outer cambered surfaces of blades of aerospace blisk
CN102814715A (en) * 2012-08-31 2012-12-12 中国人民解放军国防科学技术大学 Wheel and belt polishing device and machine tool for inner and outer surfaces and free-form surfaces of high-steepness parts
CN103029022A (en) * 2013-01-18 2013-04-10 吉林大学 Abrasive belt tool system for automatically polishing blisk
CN203726303U (en) * 2013-10-31 2014-07-23 吉林大学 Controllable pressure abrasive belt tool system for blade polishing

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108296946A (en) * 2018-03-19 2018-07-20 广东恒合信管业科技有限公司 A kind of belt grinder for tubing
CN109623590A (en) * 2018-11-23 2019-04-16 华中科技大学 A kind of accurate power control grinding and polishing apparatus of full digital Coupled Rigid-flexible and control method
CN109702611A (en) * 2019-01-31 2019-05-03 中国航发动力股份有限公司 The abrasive belt grinding device and its application method that a kind of pressure and tensile force jointly control
CN109702611B (en) * 2019-01-31 2020-09-01 中国航发动力股份有限公司 Abrasive belt grinding device with pressure and tension jointly controlled and using method thereof
CN113787380A (en) * 2021-06-30 2021-12-14 中国航发动力股份有限公司 Numerical control grinding method for irregular profile on blade
CN116352566A (en) * 2023-06-01 2023-06-30 沈阳强航时代精密科技有限公司 Aviation blade air inlet and outlet edge polishing device and polishing method
CN116352566B (en) * 2023-06-01 2023-08-08 沈阳强航时代精密科技有限公司 Aviation blade air inlet and outlet edge polishing device and polishing method

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