CN103447860A - Clamp for measuring milling force for milling and processing blade fixed inclining angle - Google Patents
Clamp for measuring milling force for milling and processing blade fixed inclining angle Download PDFInfo
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- CN103447860A CN103447860A CN2013103801651A CN201310380165A CN103447860A CN 103447860 A CN103447860 A CN 103447860A CN 2013103801651 A CN2013103801651 A CN 2013103801651A CN 201310380165 A CN201310380165 A CN 201310380165A CN 103447860 A CN103447860 A CN 103447860A
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Abstract
The invention discloses a clamp for measuring milling force for milling and processing blade fixed inclining angle, and belongs to the technical field of processing of aero-engine blades. The clamp for measuring the milling force for milling and processing the blade fixed inclining angle is arranged on a force measuring table of a dynamometer through bolts, and the dynamometer is arranged on a worktable of a machine tool. When the milling force in the blade processing process is measured, a blade tenon root is fixedly arranged on a clamping and positioning block at the end part of a rotary shaft of the clamp. The rotation form of a chuck is transferred to the rotary shaft of the clamp through a transmission shaft, a blade clamped at one end of the rotary shaft rotates together with the rotary shaft, and the inclining angle between a cutter shaft and the blade is kept consistent. The clamp for measuring the milling force for milling and processing the blade fixed inclining angle is arranged on the force measuring table of the dynamometer through the bolts, the fixed inclining angle is processed by the measuring clamp, and the milling force is measured on the force measuring table of the dynamometer. The clamp has the advantages that the structure is simple, the installation is convenient, the positioning precision is high, and the effect on the positioning precision due to multiple times of detachment is avoided.
Description
Technical field
The invention belongs to the blade of aviation engine processing technique field, specifically, relate to a kind of fixture of measuring for blade constant inclination angle Milling Force in Peripheral Milling.
Background technology
In existing aero-engine, manufacture in process technology, compressor and fan blade difficulty of processing are larger, especially aero-engine requires high thrust-weight ratio, its blade design precision prescribed is high, lightweight, take with light materials such as thin-wall construction and titanium alloys more, and there is the free form surface of complicated bending, these characteristics constantly change at the inclination angle of cutter and blade blade in process, and then cutter actual milling depth and Milling Speed in the process of milling constantly changed, make blade in Milling Processes, be subject to the impact of Milling Force very large, and Milling Force is the major incentive of thin wall vane flutter, the blade surface quality of processing is caused to pass important.
At present, blade constant inclination angle clamp for machining in process technology generally all adopts an end to fix at chuck, the top formula structure of one end, though this structure can realize that when processing thin-walled structure blade blade is carried out to the constant inclination angular milling to be cut, but because blade rotation is that rotation by lathe chuck realizes, when Milling Force is measured, lathe chuck can't be arranged on ergograph, makes the milling force measurement be difficult to realize.
A kind of mechanical centering clamping-type blade clamp is disclosed in patent CN201120259983.2, its base is provided with U-shaped groove, locating piece coordinates with U-shaped groove the middle part that is arranged on base, it is top that upper surface is provided with the benchmark corresponding with blade locating hole on blade, U-shaped groove two ends are equipped with the clamp for the blade process area is implemented to clamp, the clamp bottom is connected with the clamping leading screw by screwed hole, clamp the leading screw middle part and be provided with the regulating tank corresponding with stop screw, two ends are provided with the interior hexagonal hole for driving clamp to clamp, clamp by with the U-shaped groove of base, contact realize spacing, realize the mobile blade process area that clamps by shouldering to be connected with the clamping silk, but fixture can't be measured blade constant inclination angular milling and cut the Milling Force in process.
Summary of the invention
The deficiency existed for fear of prior art, cut Milling Force in process for blade constant inclination angular milling and be difficult to the problem of measuring.The present invention proposes a kind of fixture of measuring for blade constant inclination angle Milling Force in Peripheral Milling.The fixture that blade constant inclination angle Milling Force in Peripheral Milling is measured is arranged on the ergograph of dynamometer by bolt, the blade tenon root is arranged on the tenon root clamping and positioning piece of turning cylinder end of fixture, turning cylinder is connected with lathe chuck by power transmission shaft, drive blade rotation when chuck rotates, realize cutter shaft and blade tilt measurement constant magnitude in the process of blade milling.Measured material had both realized processing constant inclination angle, can be arranged on again on the ergograph of dynamometer and carry out the Milling Force measurement.Clamp structure is simple, easy for installation, and positioning precision is high, repeatedly installs and removes and does not affect positioning precision.
The technical solution adopted for the present invention to solve the technical problems is: comprise base, clamp body, clamping and positioning piece, auxiliary positioning piece, bearing, rotating shaft, the first baffle plate, second baffle, holding pin, described base is fixed on the ergograph of dynamometer for circular, and dynamometer is arranged on platen; Described clamp body comprises the first clamp body and the second clamp body, and the first clamp body and base are overall structure; The first clamp body inboard is provided with two draw-in grooves that shape is identical, and the second clamp body and the first clamp body are symmetrical structure, and two bearings are separately fixed in the draw-in groove of the first clamp body and the second clamp body, bearing and draw-in groove interference fit; The first clamp body and the second clamp body and the first baffle plate and the second plate washer are connected; Rotating shaft is coaxially installed through the first baffle plate, bearing, second baffle, and an end of rotating shaft is equipped with turn-knob, and the other end of rotating shaft and clamping and positioning piece are connected; Described clamping and positioning piece is comprised of upper and lower two locating pieces, and the bayonet socket shape that upper and lower two locating pieces form is identical with the blade tenon root of clamping; The auxiliary positioning piece is positioned at clamping and positioning piece one side middle part, and holding pin is arranged in the locating hole of clamping and positioning piece top.
Described the first baffle plate and described second baffle are rectangular structure, and there is circular hole at center, and the center hole surrounding is evenly equipped with screw.
Beneficial effect
A kind of fixture of measuring for blade constant inclination angle Milling Force in Peripheral Milling that the present invention proposes, the fixture that blade constant inclination angle Milling Force in Peripheral Milling is measured is arranged on the ergograph of dynamometer by bolt, and dynamometer is arranged on platen.In measuring the blade processing process, during Milling Force, the blade tenon root is fixedly mounted on the clamping and positioning piece of fixture roller end; By power transmission shaft, the rotation formula of chuck is passed to the rotating shaft of fixture, the blade of rotating shaft one end clamping, along with rotating shaft is rotated, guarantees that cutter shaft remains consistent with the inclination angle between blade.The fixture that blade constant inclination angle Milling Force in Peripheral Milling is measured is arranged on by bolt on the ergograph of dynamometer, and measured material had both realized processing constant inclination angle, can be arranged on again on the ergograph of dynamometer and carry out the Milling Force measurement.Clamp structure is simple, easy for installation, and positioning precision is high, repeatedly installs and removes and does not affect positioning precision.
The accompanying drawing explanation
Below in conjunction with drawings and embodiments, a kind of fixture of measuring for blade constant inclination angle Milling Force in Peripheral Milling of the present invention is described in further detail.
Fig. 1 is the fixture schematic diagram that blade constant inclination of the present invention angle Milling Force in Peripheral Milling is measured.
Fig. 2 is the fixture cutaway view that blade constant inclination of the present invention angle Milling Force in Peripheral Milling is measured.
In figure:
1. the first clamp body 2. base 3. rotating shaft 4. bearing 5. second clamp body 6. clamping and positioning piece 7. auxiliary positioning piece 8. first baffle plate 9. second baffle 10. holding pins
The specific embodiment
The present embodiment is a kind of fixture of measuring for blade constant inclination angle Milling Force in Peripheral Milling.The fixture that blade constant inclination angle Milling Force in Peripheral Milling is measured is arranged on the ergograph of dynamometer by bolt, and dynamometer is arranged on platen.
Consult Fig. 1, Fig. 2, the fixture that blade constant inclination of the present invention angle Milling Force in Peripheral Milling is measured, be comprised of clamp body, base 2, rotating shaft 3, bearing 4, clamping and positioning piece 6, auxiliary positioning piece 7, the first baffle plate 8, second baffle 9, holding pin 10.Base 2 is fixed on the ergograph of dynamometer for circular configuration.Clamp body comprises that the first clamp body 1 and the second clamp body 5, the first clamp bodies 1 and base 2 are overall structure. the first clamp body 1 inboard be provided with two shapes, size identical the bearing draw-in groove; The second clamp body 5 and the first clamp body 1 are symmetrical structure, and two bearings 4 are separately fixed in the draw-in groove of the first clamp body 1 and the second clamp body 5, and bearing and draw-in groove interference fit; The cooperation of the first clamp body 1, the second clamp body 5 is positioned on same axis two bearings 4 centers of circle, for rotating shaft 3 provides reliable and stable support.The first clamp body 1 is fixedly connected with the second plate washer 9 with the first baffle plate 8 with the second clamp body 5; Rotating shaft 3 is coaxially installed through the first baffle plate 8, two bearings 4, second baffle 9, rotating shaft 3 and bearing 4 interference fit, and an end of rotating shaft 3 is equipped with turn-knob, and the other end of rotating shaft 3 is fixedly connected with clamping and positioning piece 6; When rotating shaft 3 is rotated, the friction that bearing 4 reduces in rotation process makes the rotation of process Leaf more steady, has guaranteed that the inclination angle of cutter shaft and blade is constant.
Clamping and positioning piece 6 is comprised of upper and lower two locating pieces, and the bayonet socket shape of locating piece formation in upper and lower two minutes is identical with the blade tenon root shape of clamping, realizes the location to tenon root above-below direction; Auxiliary positioning piece 7 is arranged on the middle part of clamping and positioning piece one side, and the tenon root of clamping is realized to location, prevents that it from moving left and right adding man-hour; The common blade tenon root location of realizing institute's clamping of clamping and positioning piece 6 and auxiliary positioning piece 7; Holding pin 10 is arranged in the top locating hole of clamping and positioning piece 6, and the tenon root is behind location, and holding pin 10 is screwed into, and realizes the clamping of tenon root.
In the Milling Force measuring process of constant inclination angle, at first dynamometer is arranged on the horizontal table of lathe, blade constant inclination angle Milling Force in Peripheral Milling measured material is bolted on the ergograph of dynamometer.The tenon root clamping of blade, on the clamping and positioning piece of fixture, by clamping and positioning piece and the common location of realizing the tenon root of auxiliary positioning piece, turns holding pin and clamps the blade tenon root after having located.The process area of blade is withstood by top, reduces the blade vibration in process.Power transmission shaft one end is arranged on chuck, the other end is connected with the rotating shaft of Milling Force measured material, chuck rotates under the programme-control of design, power transmission shaft passes to rotation formula the rotating shaft of Milling Force measured material, drives rotating shaft and rotates to guarantee that in milling process, the inclination angle of cutter shaft and blade is constant all the time.Measure the Milling Force in milling process by dynamometer in milling process.
Claims (2)
1. a fixture of measuring for blade constant inclination angle Milling Force in Peripheral Milling, it is characterized in that: comprise base, clamp body, clamping and positioning piece, auxiliary positioning piece, bearing, rotating shaft, the first baffle plate, second baffle, holding pin, described base is fixed on the ergograph of dynamometer for circular, and dynamometer is arranged on platen; Described clamp body comprises the first clamp body and the second clamp body, and the first clamp body and base are overall structure; The first clamp body inboard is provided with two draw-in grooves that shape is identical, and the second clamp body and the first clamp body are symmetrical structure, and two bearings are separately fixed in the draw-in groove of the first clamp body and the second clamp body, bearing and draw-in groove interference fit; The first clamp body and the second clamp body and the first baffle plate and the second plate washer are connected; Rotating shaft is coaxially installed through the first baffle plate, bearing, second baffle, and an end of rotating shaft is equipped with turn-knob, and the other end of rotating shaft and clamping and positioning piece are connected; Described clamping and positioning piece is comprised of upper and lower two locating pieces, and the bayonet socket shape that upper and lower two locating pieces form is identical with the blade tenon root of clamping; The auxiliary positioning piece is positioned at clamping and positioning piece one side middle part, and holding pin is arranged in the locating hole of clamping and positioning piece top.
2. the fixture that blade constant inclination according to claim 1 angle Milling Force in Peripheral Milling is measured, it is characterized in that: described the first baffle plate and described second baffle are rectangular structure, and there is circular hole at center, and the center hole surrounding is evenly equipped with screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310380165.1A CN103447860B (en) | 2013-08-27 | 2013-08-27 | A kind of fixture measured for blade constant inclination angle Milling Force in Peripheral Milling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310380165.1A CN103447860B (en) | 2013-08-27 | 2013-08-27 | A kind of fixture measured for blade constant inclination angle Milling Force in Peripheral Milling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103447860A true CN103447860A (en) | 2013-12-18 |
| CN103447860B CN103447860B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310380165.1A Active CN103447860B (en) | 2013-08-27 | 2013-08-27 | A kind of fixture measured for blade constant inclination angle Milling Force in Peripheral Milling |
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| CN (1) | CN103447860B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846706A (en) * | 2014-03-20 | 2014-06-11 | 西北工业大学 | Special tension clamp for milling of blade type parts |
| CN104440668A (en) * | 2014-11-20 | 2015-03-25 | 重庆市华青汽车配件有限公司 | Automatic instrument panel beam clamping and positioning structure |
| CN109590767A (en) * | 2018-11-27 | 2019-04-09 | 西北工业大学 | Fixture with force measuring function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57156150A (en) * | 1981-03-17 | 1982-09-27 | Toyoda Mach Works Ltd | Contact detector for machine tools |
| DE3622725A1 (en) * | 1986-07-05 | 1988-01-07 | Karl Bruckner Gmbh Praezisions | Rotating sleeve or centre |
| CN2210736Y (en) * | 1995-02-18 | 1995-10-25 | 宁夏标准件厂 | Force-showing centre |
| JPH10277806A (en) * | 1997-03-31 | 1998-10-20 | Sanyo Seisakusho:Kk | Rolling center |
| CN2843681Y (en) * | 2005-12-02 | 2006-12-06 | 天水星火机床有限责任公司 | Rotary centering holder |
| CN102490084A (en) * | 2011-11-28 | 2012-06-13 | 山东大学 | Device for evaluating and testing interrupted cutting performance of tools at high speed |
| CN103192283A (en) * | 2013-05-02 | 2013-07-10 | 哈尔滨理工大学 | Special integral impeller five-axis side milling clamp capable of measuring milling force |
-
2013
- 2013-08-27 CN CN201310380165.1A patent/CN103447860B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57156150A (en) * | 1981-03-17 | 1982-09-27 | Toyoda Mach Works Ltd | Contact detector for machine tools |
| DE3622725A1 (en) * | 1986-07-05 | 1988-01-07 | Karl Bruckner Gmbh Praezisions | Rotating sleeve or centre |
| CN2210736Y (en) * | 1995-02-18 | 1995-10-25 | 宁夏标准件厂 | Force-showing centre |
| JPH10277806A (en) * | 1997-03-31 | 1998-10-20 | Sanyo Seisakusho:Kk | Rolling center |
| CN2843681Y (en) * | 2005-12-02 | 2006-12-06 | 天水星火机床有限责任公司 | Rotary centering holder |
| CN102490084A (en) * | 2011-11-28 | 2012-06-13 | 山东大学 | Device for evaluating and testing interrupted cutting performance of tools at high speed |
| CN103192283A (en) * | 2013-05-02 | 2013-07-10 | 哈尔滨理工大学 | Special integral impeller five-axis side milling clamp capable of measuring milling force |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846706A (en) * | 2014-03-20 | 2014-06-11 | 西北工业大学 | Special tension clamp for milling of blade type parts |
| CN103846706B (en) * | 2014-03-20 | 2016-04-20 | 西北工业大学 | The special stretching device of a kind of blade parts milling |
| CN104440668A (en) * | 2014-11-20 | 2015-03-25 | 重庆市华青汽车配件有限公司 | Automatic instrument panel beam clamping and positioning structure |
| CN109590767A (en) * | 2018-11-27 | 2019-04-09 | 西北工业大学 | Fixture with force measuring function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103447860B (en) | 2016-03-02 |
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Effective date of registration: 20190114 Address after: Room 404, Material Building, Northwest Polytechnic University, 127 Youyi West Road, Xi'an City, Shaanxi Province, 710072 Patentee after: Xi'an Northwestern Polytechnical University Asset Management Co.,Ltd. Address before: 710072 No. 127 Youyi West Road, Shaanxi, Xi'an Patentee before: Northwestern Polytechnical University |
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Effective date of registration: 20190814 Address after: 712038 No. 1-2, Second Photovoltaic Road, Qinhan New Town, Xixian New Area, Shaanxi Province Patentee after: XI'AN SANHANG POWER TECHNOLOGY Co.,Ltd. Address before: Room 404, Material Building, Northwest Polytechnic University, 127 Youyi West Road, Xi'an City, Shaanxi Province, 710072 Patentee before: Xi'an Northwestern Polytechnical University Asset Management Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Fixture for Measuring Milling Force in Blade Fixed Angle Milling Effective date of registration: 20230320 Granted publication date: 20160302 Pledgee: Industrial Bank Limited by Share Ltd. Xi'an branch Pledgor: XI'AN SANHANG POWER TECHNOLOGY Co.,Ltd. Registration number: Y2023610000184 |