CN107116374A - A kind of main shaft of numerical control machine tool handle of a knife and vibration measuring method with vibration measurement with laser function - Google Patents

A kind of main shaft of numerical control machine tool handle of a knife and vibration measuring method with vibration measurement with laser function Download PDF

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Publication number
CN107116374A
CN107116374A CN201710328386.2A CN201710328386A CN107116374A CN 107116374 A CN107116374 A CN 107116374A CN 201710328386 A CN201710328386 A CN 201710328386A CN 107116374 A CN107116374 A CN 107116374A
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CN
China
Prior art keywords
knob
main shaft
vibration
measurement
machine tool
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Granted
Application number
CN201710328386.2A
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Chinese (zh)
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CN107116374B (en
Inventor
李晖
李泓硕
李家伟
王昕阳
王国秋
刘有为
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Northeastern University China
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Northeastern University China
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Priority to CN201710328386.2A priority Critical patent/CN107116374B/en
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Publication of CN107116374B publication Critical patent/CN107116374B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/2414Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for indicating desired positions guiding the positioning of tools or workpieces
    • B23Q17/2419Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for indicating desired positions guiding the positioning of tools or workpieces by projecting a single light beam

Abstract

The vibration inside vibration and main shaft for each position of measurement measurement lathe, the present invention discloses a kind of main shaft of numerical control machine tool handle of a knife with vibration measurement with laser function and vibration measuring method, including can vertical and horizontal directions rotation lower reflex block, middle reflex block fixed by the screw thread and external nut of entrance aperture;The reflecting surface of middle reflex block is located in front of entrance aperture;It is shell above the middle frame, the top of the shell sets the upper reflex block of adjustable angle;By the incidence and the reflection angle that adjust laser, it can reflect the laser light to inside the position to be measured and main shaft, realize the precision measure that main shaft exempts from dismounting, and suitable for the main shaft of numerical control machine tool hole of present most of main flows, the present invention has filled up the blank that present main shaft of numerical control machine tool exempts from dismounting measurement.

Description

A kind of main shaft of numerical control machine tool handle of a knife and vibration measuring method with vibration measurement with laser function
Technical field
The present invention relates to optical-fiber laser vibration measuring field, and in particular to one kind be used for measure each position of Digit Control Machine Tool vibration with And a kind of handle of a knife with vibration measurement with laser function of main shaft internal vibration.
Technical background
Digit Control Machine Tool is manufacturing machine-tool, and the advanced equipment manufacturing industry using Digit Control Machine Tool as representative is to weigh country One of important symbol of the modernization of industry.As the development, production scale expansion and market of China's industrial technology are to numerical control machine The continuous improvement of bed processed finished products required precision, as the industrial machine tool-Digit Control Machine Tool for processing various plant equipment, its is corresponding Required precision also in raising progressively.Faced however, high-grade, digitally controlled machine tools vibration and control are always countries in the world machine tool industry One of important problem.Vibration can not only hinder the raising of machine tooling efficiency, influence machining accuracy, and it is also possible to Chatter mark is left on finished surface, increases Part Surface Roughness, aggravates the cold hardening of matallic surface layer, vibration can also make cutter Durability drastically declines, and even results in crumbling for blade.
Main shaft is as the core component of Digit Control Machine Tool, and its dynamic property directly influences the machining accuracy of lathe, but shows Some spindle vibration metering systems, are mainly realized by eddy current displacement sensor or acceleration transducer etc., in vibration measuring essence Degree and test frequency scope are all influenced to different extents, and particularly above-mentioned vibration measuring mode can not all test the interior of axis system Portion vibrates, it is impossible to helps engineer effectively to exclude, solve axis system internal part, such as tool-broaching mechanism, main shaft bearing, encoder Vibration fault.In addition, the existing vibration-testing scheme for each position of Digit Control Machine Tool, is typically necessary manually constantly Adjust point position, cause testing efficiency low, especially for large-sized numerical control gantry machine tool, need to also by ladder, hang The auxiliary equipments such as car carry out the point layout of acceleration transducer or eddy current displacement sensor, exist to operating personnel potential Potential safety hazard.Greatly developed in made in China 2025 and China under the background of equipment manufacture, Digit Control Machine Tool manufacturing enterprise It can realize that accurate measurement, portability are high, highly versatile have vibration measurement with laser function in the urgent need to a kind of with quality supervision department Main shaft of numerical control machine tool handle of a knife.
The content of the invention
The problem of existing for prior art, the invention provides a kind of main shaft of numerical control machine tool with vibration measurement with laser function Handle of a knife and its vibration measuring method.
The technical scheme is that:
A kind of main shaft of numerical control machine tool handle of a knife with vibration measurement with laser function, including the lower reflex block set in the knob of direction, The lower reflex block is fixed on the rotary shaft, and the outside of rotary shaft sets angulation knob;The top of direction knob sets dial; Direction knob is rotated with middle frame by big bearing and is connected;The middle frame is radially arranged dismountable middle reflex block, institute Middle reflex block is stated to fix by the screw thread and external nut of entrance aperture;The reflecting surface of middle reflex block is located in front of entrance aperture;It is described It is shell above middle frame, the top of the shell sets upper reflex block;One end of the upper reflex block connects with reflection frame axle; The back of upper reflex block sets chute, and slide bar one end is inserted in the chute, other end and the angle adjustment through reflection frame Bar axle connects;The lower end of the angle adjustment lever is connected with the taper knob thread being fixed on the knob of direction;The reflection frame is also Fixed with the upper end of height adjusting link, the lower end of height adjusting link sets rack, and the rack is with being arranged on the knob of direction Gear is engaged, and the gear is coaxially fixed with height knob;The direction knob lower end sets fixed block.
The shell includes the two parts being vertically connected with, and the taper of upper part is 1:10, the taper of lower part is 7:24.
The present invention further discloses the vibration measuring method of described main shaft of numerical control machine tool handle of a knife, each position of measurement lathe Comprise the following steps during vibration:
Step 1:Handle of a knife is loaded onto to the spindle hole of Digit Control Machine Tool;Middle reflex block is put at laser light incident hole, and uses nut It is fixed;
Step 2:Generating laser is attached at the screw thread of entrance aperture;
Step 3:Required orientation is reflected the laser light to by adjustment direction knob;
Step 4:Lower reflex block is rotated by adjustment angle knob, the position for needing to measure is reflected the laser light to;
Step 5:The scale on each knob is recorded, the measurement with a position is carried out convenient next time;
Comprise the following steps during measurement main shaft internal vibration:
Step 1:Handle of a knife is loaded onto to the spindle hole of Digit Control Machine Tool, and direction knob is fixed on by operating desk by fixed block On;
Step 2:Adjustment angle knob makes in centre bore of the reflection laser by direction knob;
Step 3:Taper knob is adjusted, the laser reflection being mapped on main shaft wall is returned;
Step 4:Adjust the vibrations of the inside diverse location of laser measurement main shaft;
Step 5:Start main shaft, start measurement vibration;
Step 6:Adjustment height knob can adjust the vibrations of the inside different depth of laser measurement main shaft.
It is an advantage of the invention that:The main shaft of numerical control machine tool handle of a knife for the vibration measurement with laser function that the present invention is provided, can be with when using Reflect the laser light to inside the position to be measured and main shaft, realize the precision measure that main shaft exempts from dismounting, and suitable for present The main shaft of numerical control machine tool hole of most of main flows, the present invention has filled up the blank that present main shaft of numerical control machine tool exempts from dismounting measurement.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Fig. 2 is sectional view of the invention;
The structural representation of reflex block in Fig. 3;
Fig. 4 is the structural representation of upper reflex block;
Fig. 5 is the partial enlarged drawing at upper reflex block position;
In figure, 1, expansion link;2nd, shell;3rd, entrance aperture;4th, direction knob;5th, angulation knob;6th, taper knob;7th, height Knob;8th, middle reflex block;9th, reflection frame;10th, upper reflex block;11st, small bearing;12nd, locating ring;13rd, the groove of positioning;14th, it is big Bearing;15th, lower reflex block;16th, fixed block;17th, nut;21st, shell upper point;22nd, outer casing underpart point.
Embodiment
The present invention is illustrated below in conjunction with the accompanying drawings, as illustrated, the present invention includes the lower reflection of setting in direction knob 4 Block 15, direction knob 4 is setting through hole at a hollow, axis, and the lower reflex block is fixed in rotary shaft 151, is rotated The outside of axle 151 sets angulation knob 5;So, the angulation knob 5 for being fixed on direction knob sidepiece by rotation can be to lower reflection Block 15 carries out angle adjustment;The top of direction knob 4 sets dial, so can determine level by the corresponding position of dial The anglec of rotation in direction;Direction knob 4 is rotated with middle frame 23 by big bearing 14 and is connected;The radial direction of middle frame 23 is set Dismountable middle reflex block 8 is put, middle reflex block 8 is a component, and laser channeling 81 and reflecting surface 82, institute are included as shown in Figure 3 Middle reflex block 8 is stated to fix by the screw thread and external nut of entrance aperture 3;Reflecting surface 82 is located at the front of entrance aperture 3;The middle part It is shell 2 above framework, the top of the shell 2 sets upper reflex block 10;As shown in Figure 4, Figure 5, the upper reflex block 10 One end connects with the axle of reflection frame 9;The back of upper reflex block 10 sets chute 101, and the one end of slide bar 102 is inserted in the chute 101, separately Outer one end connects with the axle of angle adjustment lever 103 through reflection frame 9;The lower end of the angle adjustment lever 103 is with being fixed on direction rotation The bar portion screw thread of taper knob 8 on button 4 coordinates, by rotating the length of taper knob 8 and then adjustment angle adjusting lever 103, The angle of final adjustment top reflex block 10;Upper end of the reflection frame 9 also with height adjusting link 104 is fixed, height adjusting link Lower end rack 105 is set, the rack 105 engages with the gear 106 being arranged on the knob of direction, the gear 106 and height Spend knob 7 coaxially to fix, the height of top reflex block 10 can be so adjusted by rotation height knob 7;Under the direction knob 4 End sets fixed block 16 by connecting rod;Fixed block is fixed with work top.
To adapt to different spindle tapers, the shell includes the two parts being vertically connected with, the taper of shell upper point 21 For 1:10, the taper of outer casing underpart point 22 is 7:24.
Comprise the following steps during the vibration at each position of present invention measurement lathe:
Step 1:Handle of a knife is loaded onto to the spindle hole of Digit Control Machine Tool;Middle reflex block 8 is put at laser injection aperture 3, and uses spiral shell Mother 17 is fixed;
Step 2:Generating laser is loaded onto at the spiral in middle reflex block 8;
Step 3:Required orientation is reflected the laser light to by adjustment direction knob 4;
Step 4:Lower reflex block is rotated by adjustment angle knob 5, the position for needing to measure is reflected the laser light to;
Step 5:The scale on each knob is recorded, the measurement with a position is carried out convenient next time.
Comprise the following steps during measurement main shaft internal vibration:
Step 1:Handle of a knife is loaded onto to the spindle hole of Digit Control Machine Tool, and direction knob 4 is fixed on by operation by fixed block 16 On platform.
Step 2:Adjustment angle knob 5 makes in centre bore of the reflection laser by direction knob 4
Step 3:Taper knob 6 is adjusted, the laser reflection being mapped on main shaft wall is returned.
Step 4:Adjust the vibrations of the inside diverse location of laser measurement main shaft.
Step 5:Start main shaft, start measurement vibration.
Step 6:Adjustment height knob 7 can adjust the vibrations of the inside different depth of laser measurement main shaft.

Claims (3)

1. a kind of main shaft of numerical control machine tool handle of a knife with vibration measurement with laser function, it is characterised in that:Including what is set in the knob of direction Lower reflex block, the lower reflex block is fixed on the rotary shaft, and the outside of rotary shaft sets angulation knob;Set above the knob of direction Put dial;Direction knob is rotated with middle frame by big bearing and is connected;During the middle frame is radially arranged removably Reflex block, the middle reflex block is fixed by the screw thread and external nut of entrance aperture;The reflecting surface of middle reflex block is located at entrance aperture Front;It is shell above the middle frame, the top of the shell sets upper reflex block;One end of the upper reflex block with it is anti- Frame axle is penetrated to connect;The back of upper reflex block sets chute, and slide bar one end is inserted in the chute, and other end is with passing through reflection frame Angle adjustment lever axle connects;The lower end of the angle adjustment lever is connected with the taper knob thread being fixed on the knob of direction;It is described Reflection frame is also fixed with the upper end of height adjusting link, and the lower end of height adjusting link sets rack, and the rack is with being arranged on direction Gear engagement on knob, the gear is coaxially fixed with height knob;The direction knob lower end sets fixed block.
2. the main shaft of numerical control machine tool handle of a knife according to claim 1 with vibration measurement with laser function, it is characterised in that:It is described outer Shell includes the two parts being vertically connected with, and the taper of upper part is 1:10, the taper of lower part is 7:24.
3. the vibration measuring method of the main shaft of numerical control machine tool handle of a knife described in a kind of claim 1, during the vibration at each position of measurement lathe Comprise the following steps:
Step 1:Handle of a knife is loaded onto to the spindle hole of Digit Control Machine Tool;Middle reflex block is put at laser light incident hole, and with nut by its Fix;
Step 2:Generating laser is attached at the screw thread of entrance aperture;
Step 3:Required orientation is reflected the laser light to by adjustment direction knob;
Step 4:Lower reflex block is rotated by adjustment angle knob, the position for needing to measure is reflected the laser light to;
Step 5:The scale on each knob is recorded, the measurement with a position is carried out convenient next time;
Comprise the following steps during measurement main shaft internal vibration:
Step 1:Handle of a knife is loaded onto to the spindle hole of Digit Control Machine Tool, and direction knob is fixed on operating desk by fixed block;
Step 2:Adjustment angle knob makes in centre bore of the reflection laser by direction knob;
Step 3:Taper knob is adjusted, makes the laser that is mapped on main shaft wall backtracking after reflection;
Step 4:Adjust the vibrations of the inside diverse location of laser measurement main shaft;
Step 5:Start main shaft, start measurement vibration;
Step 6:Adjustment height knob can adjust the vibrations of the inside different depth of laser measurement main shaft.
CN201710328386.2A 2017-05-11 2017-05-11 A kind of main shaft of numerical control machine tool knife handle and vibration measuring method with vibration measurement with laser function Expired - Fee Related CN107116374B (en)

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CN201710328386.2A CN107116374B (en) 2017-05-11 2017-05-11 A kind of main shaft of numerical control machine tool knife handle and vibration measuring method with vibration measurement with laser function

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108021094A (en) * 2017-12-04 2018-05-11 东北大学 The laser detection platform and its detection method of high-grade, digitally controlled machine tools electro spindle vibration
CN113319336A (en) * 2021-05-14 2021-08-31 青岛理工大学 Aviation aluminum alloy curved surface shape work piece clamping device and milling system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS606331A (en) * 1983-06-17 1985-01-14 Yoshiaki Kakino Apparatus for detecting supersonic vibration from rotating main spindle
JPH10309653A (en) * 1997-05-07 1998-11-24 Toyoda Mach Works Ltd Method for detecting displacement of cutting edge position, machine tool provided with cutting edge position displacement detecting function, and tool holder for machine tool
JP2001105257A (en) * 1999-10-07 2001-04-17 Washino Eng:Kk Universal holder
MXPA01004016A (en) * 1998-10-22 2003-03-10 Claesson Ingvar Method and device for vibration control.
CN101264577A (en) * 2007-03-12 2008-09-17 丰精工株式会社 Tool retainer
CN105425722A (en) * 2015-11-11 2016-03-23 东北大学 Numerical control milling machine vibration control system based on pre-embedded wireless sensor and control method thereof
CN205254694U (en) * 2015-11-13 2016-05-25 中北大学 Rear -mounted BTA on -line measuring and deviation correcting device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS606331A (en) * 1983-06-17 1985-01-14 Yoshiaki Kakino Apparatus for detecting supersonic vibration from rotating main spindle
JPH10309653A (en) * 1997-05-07 1998-11-24 Toyoda Mach Works Ltd Method for detecting displacement of cutting edge position, machine tool provided with cutting edge position displacement detecting function, and tool holder for machine tool
MXPA01004016A (en) * 1998-10-22 2003-03-10 Claesson Ingvar Method and device for vibration control.
JP2001105257A (en) * 1999-10-07 2001-04-17 Washino Eng:Kk Universal holder
CN101264577A (en) * 2007-03-12 2008-09-17 丰精工株式会社 Tool retainer
CN105425722A (en) * 2015-11-11 2016-03-23 东北大学 Numerical control milling machine vibration control system based on pre-embedded wireless sensor and control method thereof
CN205254694U (en) * 2015-11-13 2016-05-25 中北大学 Rear -mounted BTA on -line measuring and deviation correcting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108021094A (en) * 2017-12-04 2018-05-11 东北大学 The laser detection platform and its detection method of high-grade, digitally controlled machine tools electro spindle vibration
CN113319336A (en) * 2021-05-14 2021-08-31 青岛理工大学 Aviation aluminum alloy curved surface shape work piece clamping device and milling system

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