CN106217188A - Blade grinding measures integration machine tool and method - Google Patents

Blade grinding measures integration machine tool and method Download PDF

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Publication number
CN106217188A
CN106217188A CN201610808140.0A CN201610808140A CN106217188A CN 106217188 A CN106217188 A CN 106217188A CN 201610808140 A CN201610808140 A CN 201610808140A CN 106217188 A CN106217188 A CN 106217188A
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CN
China
Prior art keywords
blade
grinding
screw mandrel
slide plate
processing
Prior art date
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Pending
Application number
CN201610808140.0A
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Chinese (zh)
Inventor
黄智�
李凯
李超
陈祥
王洪艳
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Chengdu Acme Intelligent Technology Co Ltd
Original Assignee
Chengdu Acme Intelligent Technology 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 Chengdu Acme Intelligent Technology Co Ltd filed Critical Chengdu Acme Intelligent Technology Co Ltd
Priority to CN201610808140.0A priority Critical patent/CN106217188A/en
Publication of CN106217188A publication Critical patent/CN106217188A/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
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/14Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
    • 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
    • B24B49/00Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation

Abstract

The invention discloses and a kind of collect blade grinding and measure the machining tool of functions and its implementation, mainly solve the problems such as machining accuracy that multiple clamping during its blade processing causes the drift of clamping stress released-deformation, machining benchmark and artificial reconditioning to bring is unstable and inefficient.This lathe mainly includes lathe bed base, processing column agency, measures the compositions such as column agency, turntable, cross sliding board mechanism, main shaft support seat mechanism and gauge head, the grinding spindle and wheel shape grinding tool realizing swinging it is provided with on processing column agency, blade profile processing is carried out by the most reciprocal trajectory planning mode, it is provided with gauge head on column agency measuring, and uses scan-type mode to implement each section of blade profile parameter quickly to measure.Present configuration designs ingenious, and grinding and measurement process combination are flexible, highly versatile, and grinding accuracy is good, and batch product concordance is good, greatly reduces production cost, has preferable practical and popularizing value.

Description

Blade grinding measures integration machine tool and method
Technical field
The invention belongs to mechanical manufacturing field, refer to the grinding of complex leaf part and measure the numerical control of complex function Equipment, specifically, relates to a kind of use measurement of coordinates head to detect blade profile and the most integrated wheel shape grinding tool enters Row grinding realizes integrated composite processing machine tool and its implementation of the high accuracy mass processing of blade profile.
Background technology
Blade is as aero-engine, steam turbine, the important core part of gas turbine equal power device, its machining accuracy In close relations to work efficiency and the reliability of these power set with surface quality.Therefore the high efficiency of blade, high-precision is studied Spend the precision processing technology with high reliability and method has great significance and using value, the most at present the essence of blade Close process technology mainly uses following methods:
1) main employing carries out grinding process, by hand by operator's Manual blades neatly in abrasive machine or abrasive band On the sanding apparatus such as machine, milling or forging blade excess stock are polished, constantly detected by model or fixture, more repeatedly Revise to the final profile required;
2) industrial robot clamping blade workpiece is used on abrasive machine or belt sander, blade to be polishing to finally Profile;
3) using numerical-controlled grinder special to carry out the polishing processing of blade, taking off blade, to be transported to three coordinate measuring machine more enterprising Row detection.
The subject matter of above-mentioned blade machining process is:
1. manual mode polishing blade to workman's technology require compared with high, its work load is big, it is more difficult to keep stably remove Material surplus is processed, and additionally manual grinding dust pollution is serious, all can not directly reach in dimensional accuracy and surface quality To associated specifications, need workman to use model repeatedly to contrast and constantly revise polishing feel, being difficulty with mass High-precision blade Production requirement;
2. industrial robot is difficulty with the measurement of degree of precision because the repetitive positioning accuracy of self limits clamping blade, leads Cause subsequent correction polishing quality unstable, directly affect Leaf productivity.
3. on numerical-controlled grinder special, carry out blade material remove processing due to need to be enterprising to three coordinate machine by blade off line Row offline inspection, owing to relating to deformation that clamping Stress Release produces, secondary clamping benchmark is inconsistent, quadratic programming was for preventing Cut many technical problems puzzlements such as the conservative technique taked, cause current high-precision blade working (machining) efficiency low, produce matter in batches Amount fluctuation is bigger;
Summary of the invention
It is an object of the invention to overcome drawbacks described above, design a kind of integrated grinding realized high-precision blade processing With capsule and its implementation that blade profile coordinate detects function and service in place.
In order to realize the purpose of the present invention, the technical solution used in the present invention is as follows:
Blade grinding measures integration machine tool and method, is mainly included on lathe bed base (10) and is fixed for realizing blade The measurement column agency (3) of profile coordinate measurement and realize the processing column agency (12) of blade grinding, and at lathe bed base The central part of table top is provided with cross sliding board mechanism (31) and drives clamping to have the turntable (8) of blade workpiece (7) to carry out X and Y-direction Linear motion, the turntable (8) being simultaneously attached in cross sliding board mechanism (31) can also drive and realize blade workpiece and realize continuously 360 ° of gyrations, are provided with Z-direction column slide plate (13) on processing column agency, Z-direction column slide plate are fixed with main shaft and prop up Support seat mechanism (10), arranges swinging axle (14) in main shaft support seat mechanism, and by affixed with spindle motor (15), main shaft electricity Machine one end is provided with wheel shape grinding tool (9), is provided with the survey carrying out three-dimensional coordinates measurement in spreader (1) one end measured on column agency Head (6), is provided with the parallels (21) of leveling at lathe bed base.
Described the measure column agency include spreader (1), Z1 direction guiding rail (2), Z1 to servomotor (4), Z1 to screw mandrel (13) constituting with gauge head (6), spreader (1) arranges on the Z1 direction guiding rail (2) measuring column agency, by Z1 to servomotor (4) Z1 is driven to drive spreader to realize moving up and down along Z1 direction guiding rail together with gauge head to screw mandrel (13).
Described processing column agency includes Z-direction column slide plate (13), A direction guiding rail (14), Z-direction screw mandrel (17), Z-direction guide rail (18), screw mandrel bearing (19) forms, and Z-direction column slide plate is arranged on the A direction guiding rail of processing column agency, by Z-direction servo electricity Machine (11) drives Z-direction screw mandrel (17) to drive Z-direction column slide plate to realize transporting up and down along Z-direction guide rail together with main shaft support seat mechanism Dynamic.
Described main shaft support seat mechanism includes oscillating motor (14), spindle motor (15), swinging axle (16) and wheel shape sand Wheel (9) composition, spindle motor (15) is fixed on the middle part of swinging axle (16), and swinging axle is arranged on the dual-lug type structure of main shaft support Between, oscillating motor (14) drives swinging axle to drive spindle motor to realize oscillating motion, is provided with in spindle motor operative end surface Wheel shape grinding tool, by spindle motor drive wheel shape grinding high speed rotating and with blade contact thus realize the unnecessary material of blade Highly-efficient processing is removed.
Described cross sliding board mechanism includes that X is to servomotor (22), X direction guiding rail (23), Y-direction servomotor (24), Y-direction Guide rail (25), the first slide plate (26), the second slide plate (27), Y-direction screw mandrel (28), Y-direction screw mandrel bearing (29), X, to screw mandrel (30), watches Take motor (22) drive X to screw mandrel (30) drive the second slide plate (27) realize X to linear motion, servomotor (24) drive Y The first slide plate (26) is driven to realize the linear motion of Y-direction to screw mandrel (28).
Described method for grinding includes being digitized discrete by the cad model in region to be processed to blade profile, and The setting of the technological parameters such as the forward and back cutter according to the track covering path of processing mode feasible region line by line and grinding tool, then by upper The numerical control grinding program transportation that position machine generates drives related spool motor to implement grinding TRAJECTORY CONTROL to digital control system.
Described measuring method includes that the cad model data in region to be measured to blade profile carry out cross section according to blade layering The forward and back cutter changing discrete and gauge head is arranged, and by the way of gauge head is according to around scanning one by one cross section real to region to be measured Execute coordinate data sampling and analyzing and processing, then sampled data generation analysis report or reconstruct cad model in kind are transferred to upper Machine carries out numerical control reconditioning Program Generating, finally realizes high efficiency, high-precision Blade measuring and grinding integration closed loop processing.
Compared with prior art, the beneficial effects of the present invention is:
(1) under the present invention uses the integrative ideal that integrated numerical-control grinding and measurement of coordinates mode realize on an equipment Blade precision manufactureing, compared with individually use numerical-controlled grinder special and special three-dimensional coordinates measurement equipment, it is to avoid blade is repeatedly Clamping causes many technical problems such as deformable blade, substantially increases mass vane manufacturing quality level;
(2) present invention uses to arrange on lathe bed workbench and measures the high rigidity of column and stability structure feature achieves Blade high-precision automatic measure, it is to avoid self lower accuracy of employing industrial robot, weak rigid structure are to measure of precision The uncertainty of the problems brought, substantially increases Blade measuring efficiency and precision;
(3) present invention uses on-position measure method by after measurement quick to blade profile and by the life of reconditioning Automatic Program Become and finally realize the closed loop reconditioning of overproof blade, overcome to use and manually combine model and carry out traditional skill of inefficient reconditioning repeatedly Art mode causes the problem that quality fluctuation is big, not only increases working (machining) efficiency and the quality of blade reconditioning process, and preferably Reduce blade polish scrappage.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention.
Fig. 2 is the top view of the present invention.
Fig. 3 is that the A-A of the present invention is to partial view.
Fig. 4 is that the cross sliding board mechanism of the present invention arranges schematic diagram on lathe bed base.
Fig. 5 is the blade grinding method for planning track schematic diagram of the present invention.
Fig. 6 is the show-how embodiment schematic diagram of the blade grinding method for planning track of the present invention.
Fig. 7 is the schematic diagram of the Blade measuring method for planning track of the present invention.
Fig. 8 is the show-how embodiment schematic diagram of the Blade measuring method for planning track of the present invention.
Wherein, the title corresponding to reference: 1-spreader, 2-Z1 direction guiding rail, 3-measures column agency, and 4-Z1 is to servo Motor, 5-Z1 to screw mandrel, 6-gauge head, 7-blade workpiece, 8-turntable, the wheeled grinding tool of 9-, 10-main shaft support seat mechanism, 11-Z to Servomotor, 12-processes column agency, and 13-Z is to column slide plate, 14-oscillating motor, 15-spindle motor, 16-swinging axle, 17- Z-direction screw mandrel, 18-Z direction guiding rail, 19-screw mandrel bearing, 20-lathe bed base, 21-parallels, 22-X to servomotor, 23-X direction guiding rail, 24-Y to servomotor, 25-Y direction guiding rail, 26-the first slide plate, 27-the second slide plate, 28-Y to screw mandrel, 29-Y to screw mandrel bearing, 30-X to screw mandrel, 31-cross sliding board mechanism.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.Embodiments of the present invention include but not limited to following enforcement Example.
As shown in Figure 1, Figure 2, Figure 3 shows, a preferred embodiment of integral machine bed structure is measured for blade grinding of the present invention Main depending on, overlook and A-A direction view.It is mainly included in, and lathe bed base (10) is upper installs the measurement pole press now detected for making an excessive case more excessive Structure (3) and the processing column agency (12) of enforcement grinding, the cross sliding board mechanism (31) being arranged on lathe bed base table top central authorities drives Dynamic clamping has the turntable (8) of blade workpiece (7) to move, and the turntable (8) being arranged in cross sliding board mechanism (31) drives real Existing blade workpiece realizes continuous 360 ° of gyrations, is provided with Z-direction column slide plate (13), Z-direction column on processing column agency Slide plate is fixed with the main shaft support seat mechanism (10) of ears structure, is provided with the swinging axle (14) that A drives to servomotor (14), By affixed with spindle motor (15), driving spindle motor to produce oscillating motion, spindle motor one end is provided with wheel shape grinding tool (9), it is used for realizing blade grinding processing, is provided with in spreader (44) one end measured on column agency and carries out three-dimensional coordinates measurement Gauge head (6), for realizing the on-position measure of blade.
As shown in Figure 4, the cross sliding board mechanism for the present invention arranges schematic diagram on lathe bed base.Mainly include that X is to watching Take motor (22), X direction guiding rail (23), Y-direction servomotor (24), Y-direction guide rail (25), the first slide plate (26), the second slide plate (27), Y-direction screw mandrel (28), Y-direction screw mandrel bearing (29), X is to screw mandrel (30), and servomotor (22) drives X to drive second to slide to screw mandrel (30) Plate (27) realize X to linear motion, servomotor (24) drive Y-direction screw mandrel (28) drive the first slide plate (26) to realize Y-direction Linear motion, thus realize the two dimensional surface motion of blade workpiece.
As it is shown in figure 5, be the blade grinding method for planning track schematic diagram of the present invention.Mainly to blade profile processing district The cad model data in territory are digitized discrete, and the mode feasible region covering path cut according to row and the forward and back cutter of grinding tool set Put, ultimately generate processor and drive related spool motor to implement grinding TRAJECTORY CONTROL by digital control system.
As shown in Figure 6, for the show-how embodiment schematic diagram of blade grinding method for planning track of the present invention.Mainly It is to show blade grinding process wheel shape grinding tool and blade contact attitude and the situation of each moving parts of machine system.
Shown in Fig. 7, for the schematic diagram of the Blade measuring method for planning track of the present invention.Mainly district to be measured to blade profile The cad model data in territory carry out discrete and gauge head the forward and back cutter of cross sectionization according to blade layering and arrange, and by gauge head according to complete The domain carries out the real-time sampling of each coordinate data around the mode cross section one by one of scanning to blade to be measured, finally generates sampled data Analysis report or reconstruct cad model in kind are transferred to host computer and carry out numerical control reconditioning Program Generating.
Shown in Fig. 8, for the show-how embodiment schematic diagram of the Blade measuring method for planning track of the present invention.Mainly Display blade scanning survey in place process gauge head and blade contact attitude and the situation of each moving parts of machine system.
According to above-described embodiment, just can preferably realize the present invention.What deserves to be explained is, before above-mentioned design principle Put, for solving same technical problem, even if some made on architecture basics disclosed in this invention are without substantial Changing or polishing, the essence of the technical scheme used is still as the present invention, therefore it should also be as the protection model in the present invention In enclosing.

Claims (7)

1. blade grinding measures integration machine tool and method, it is characterised in that: it is included on lathe bed base (10) and is fixed for reality Show the measurement column agency (3) of coordinate measurement and realize the processing column agency (12) of grinding, being arranged in lathe bed base table top The cross sliding board mechanism (31) of centre drives clamping to have the turntable (8) of blade workpiece (7) to realize linear motion, is additionally installed on cross Turntable (8) in sled mechanism (31) self driving realizes blade workpiece and realizes continuous 360 ° of gyrations, at processing pole press It is provided with Z-direction column slide plate (13) on structure, Z-direction column slide plate is fixed with main shaft support seat mechanism (10), in main shaft support seat Swinging axle (14) is set in mechanism, and by affixed with spindle motor (15), spindle motor one end is provided with wheel shape grinding tool (9), The gauge head (6) carrying out three-dimensional coordinates measurement it is provided with in spreader (1) one end measured on column agency.
Blade grinding the most according to claim 1 measures integration machine tool, it is characterised in that: described measurement column agency bag Include spreader (1), Z1 direction guiding rail (2), Z1 are constituted to screw mandrel (13) and gauge head (6) to servomotor (4), Z1, and spreader (1) arranges survey Amount column agency Z1 direction guiding rail (2) on, by Z1 to servomotor (4) drive Z1 to screw mandrel (13) drive spreader along Z1 to Guide rail realizes moving up and down.
Blade grinding the most according to claim 1 measures integration machine tool, it is characterised in that: described processing column agency Including Z-direction column slide plate (13), A direction guiding rail (14), Z-direction screw mandrel (17), Z-direction guide rail (18), screw mandrel bearing (19) forms, Z-direction Column slide plate is arranged on the A direction guiding rail of processing column agency, drives Z-direction screw mandrel (17) to drive Z by Z-direction servomotor (11) Realize moving up and down along Z-direction guide rail to column slide plate.
Blade grinding the most according to claim 1 measures integration machine tool, it is characterised in that: described main shaft support base Structure includes oscillating motor (14), spindle motor (15), swinging axle (16) and wheel shape emery wheel (9) composition, and spindle motor (15) is fixed At the middle part of swinging axle (16), swinging axle is arranged between the dual-lug type structure of main shaft support, and oscillating motor (14) drives and swings Axle drives spindle motor to realize oscillating motion, and spindle motor operative end surface is provided with wheel shape grinding tool.
Blade grinding the most according to claim 1 measures integration machine tool, it is characterised in that: described cross sliding board mechanism Including X to servomotor (22), X direction guiding rail (23), Y-direction servomotor (24), Y-direction guide rail (25), the first slide plate (26), second Slide plate (27), Y-direction screw mandrel (28), Y-direction screw mandrel bearing (29), X is to screw mandrel (30), and servomotor (22) drives X to screw mandrel (30) Driving the second slide plate (27) to realize the linear motion in a direction, servomotor (24) drives Y-direction screw mandrel (28) to drive first to slide Plate (26) realizes another linear motion orthogonal with aforementioned direction.
Blade grinding the most according to claim 1 measures the implementation method of integration machine tool, it is characterised in that: described mill Cutting method includes being digitized discrete by the cad model data in region to be processed to blade profile, according to the side of processing line by line The forward and back cutter of formula feasible region covering path and grinding tool is arranged, and ultimately generates processor and drives relevant watching by digital control system Take motor and implement grinding TRAJECTORY CONTROL.
Blade grinding the most according to claim 1 measures the on-machine measurement implementation method of integration machine tool, it is characterised in that: Described on-machine measurement method include the cad model data in region to be measured to blade profile according to blade layering carry out cross section from Dissipate and the forward and back cutter of gauge head is arranged, and implement to sit to region to be measured to cross section one by one by the way of gauge head is according to around scanning Mark data sampling and analyzing and processing.
CN201610808140.0A 2016-09-07 2016-09-07 Blade grinding measures integration machine tool and method Pending CN106217188A (en)

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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107471230A (en) * 2017-09-30 2017-12-15 四川大学 A kind of intelligent coordinated operation-control system of blade multirobot
CN108127523A (en) * 2017-12-04 2018-06-08 中国航发动力股份有限公司 A kind of numerical control sbrasive belt grinding method that finish forge blade blade type face is repaiied for throwing
CN109834540A (en) * 2019-04-08 2019-06-04 哈尔滨工业大学 A kind of spool auxiliary machining device for cylindrical grinder
CN110434726A (en) * 2019-08-07 2019-11-12 合肥学院 Blade grinding measures integration machine tool and method
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107471230A (en) * 2017-09-30 2017-12-15 四川大学 A kind of intelligent coordinated operation-control system of blade multirobot
CN108127523A (en) * 2017-12-04 2018-06-08 中国航发动力股份有限公司 A kind of numerical control sbrasive belt grinding method that finish forge blade blade type face is repaiied for throwing
CN108127523B (en) * 2017-12-04 2019-07-02 中国航发动力股份有限公司 It is a kind of for throwing the numerical control sbrasive belt grinding method for repairing precision forged blade blade type face
CN109834540A (en) * 2019-04-08 2019-06-04 哈尔滨工业大学 A kind of spool auxiliary machining device for cylindrical grinder
CN110434726A (en) * 2019-08-07 2019-11-12 合肥学院 Blade grinding measures integration machine tool and method
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

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