CN107116374B - A kind of main shaft of numerical control machine tool knife handle and vibration measuring method with vibration measurement with laser function - Google Patents
A kind of main shaft of numerical control machine tool knife handle and vibration measuring method with vibration measurement with laser function Download PDFInfo
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- CN107116374B CN107116374B CN201710328386.2A CN201710328386A CN107116374B CN 107116374 B CN107116374 B CN 107116374B CN 201710328386 A CN201710328386 A CN 201710328386A CN 107116374 B CN107116374 B CN 107116374B
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- knob
- main shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
- B23Q17/2414—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for indicating desired positions guiding the positioning of tools or workpieces
- B23Q17/2419—Arrangements 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
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Abstract
For the vibration inside the vibration at the measurement measurement each position of lathe and main shaft, the present invention discloses a kind of main shaft of numerical control machine tool knife handle and vibration measuring method with vibration measurement with laser function, 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, the upper reflex block of the top setting adjustable angle of the shell above the middle frame；Incidence and reflection angle by adjusting laser, it can reflect the laser light to inside the position to be measured and main shaft, realize main shaft precision measure free of demolition, and it is suitable for the main shaft of numerical control machine tool hole of present most of mainstreams, the present invention has filled up the blank of present main shaft of numerical control machine tool measurement free of demolition.
Description
Technical field
The present invention relates to optical-fiber laser vibration measuring fields, and in particular to one kind for measure the vibration of numerically-controlled machine tool each position with
And a kind of knife handle with vibration measurement with laser function of main shaft internal vibration.
Technical background
Numerically-controlled machine tool is manufacturing machine-tool, is to measure country using numerically-controlled machine tool as the advanced equipment manufacturing industry of representative
The one of the important signs that of the modernization of industry.As the development of China's industrial technology, production scale expansion and market are to numerical control machine
The continuous improvement of bed processing finished product required precision, it is corresponding as the industrial machine tool-numerically-controlled machine tool for processing various mechanical equipments
Required precision also in raising gradually.However, high-grade, digitally controlled machine tools vibration and control are always that countries in the world machine tool industry faces
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, and vibration can also make cutter
Durability sharply declines, and even results in crumbling for blade.
Core component of the main shaft as numerically-controlled machine tool, dynamic property directly influence the machining accuracy of lathe, however existing
Some spindle vibration measurement methods, are mainly realized by eddy current displacement sensor or acceleration transducer etc., in vibration measuring essence
Degree and test frequency range are all influenced to different extents, and especially above-mentioned vibration measuring mode is all unable to test the interior of axis system
Portion's vibration, can do nothing to help engineer and effectively excludes, solves 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 numerically-controlled 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 ancillary equipments such as vehicle carry out the point layout of acceleration transducer or eddy current displacement sensor, exist to operator potential
Security risk.Under the background that made in China 2025 and China greatly develop equipment manufacture, numerically-controlled machine tool manufacturing enterprise
To can be realized accurate measurement, portability high, versatile with vibration measurement with laser function there is an urgent need to a kind of with quality supervision department
Main shaft of numerical control machine tool knife handle.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of main shaft of numerical control machine tool with vibration measurement with laser function
Knife handle and its vibration measuring method.
The technical scheme is that
A kind of main shaft of numerical control machine tool knife handle with vibration measurement with laser function, including the lower reflex block being arranged in the knob of direction,
The lower reflex block is fixed on the rotary shaft, and angulation knob is arranged in the outside of rotary shaft；Dial is arranged in the top of direction knob；
Direction knob is rotatablely connected by big bearing and middle frame；The middle frame is arranged radially reflex block in dismountable, 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, upper reflex block is arranged in the top of the shell；One end of the upper reflex block connects with reflection frame axis；
Sliding slot is arranged in the back of upper reflex block, and slide bar one end is inserted into the sliding slot, and other end is adjusted with the angle for passing through reflection frame
Bar axis connects；The lower end of the angle adjustment lever is connect with the taper knob thread being fixed on the knob of direction；The reflection frame is also
It is fixed with the upper end of height adjusting link, the lower end of height adjusting link is arranged rack gear, the rack gear and is arranged on the knob of direction
Gear engagement, the gear are coaxially fixed with height knob；Fixed block is arranged in direction knob lower end.
The shell includes the two parts being vertically connected with, and the taper of upper part is 1:10, and the taper of lower part is 7:24.
The present invention further discloses the vibration measuring methods of the main shaft of numerical control machine tool knife handle, measure each position of lathe
When vibration the following steps are included:
Step 1: knife handle is loaded onto the spindle hole of numerically-controlled machine tool；Middle reflex block is put at laser light incident hole, and uses nut
It is fixed；
Step 2: laser emitter is attached at the screw thread of entrance aperture；
Step 3: reflecting the laser light to required orientation by adjusting direction knob；
Step 4: rotating lower reflex block by adjusting angulation knob, reflect the laser light to the position for needing to measure；
Step 5: recording the scale on each knob, facilitate and carry out the measurement with position next time；
Measure main shaft internal vibration when the following steps are included:
Step 1: knife handle being loaded onto the spindle hole of numerically-controlled machine tool, and direction knob is fixed on by station by fixed block
On；
Step 2: adjusting the angle in the centre bore that knob makes reflection laser pass through direction knob；
Step 3: adjustment taper knob makes the laser reflection being mapped on main shaft wall return；
Step 4: the vibration of the inside different location of adjustment laser measurement main shaft；
Step 5: starting main shaft starts measurement vibration；
Step 6: the vibration of the inside different depth of the adjustment adjustable laser measurement main shaft of height knob.
It can be with the invention has the advantages that the main shaft of numerical control machine tool knife handle of vibration measurement with laser function provided by the invention, when use
It reflects the laser light to inside the position to be measured and main shaft, realizes main shaft precision measure free of demolition, and be suitable for present
The main shaft of numerical control machine tool hole of most of mainstreams, the present invention have filled up the blank of present main shaft of numerical control machine tool measurement free of demolition.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is cross-sectional view of the invention；
The structural schematic diagram of reflex block in Fig. 3；
Fig. 4 is the structural schematic diagram of upper reflex block；
Fig. 5 is the partial enlarged view at upper reflex block position；
In figure, 1, telescopic rod；2, shell；3, entrance aperture；4, direction knob；5, angulation knob；6, taper knob；7, height
Knob；8, middle reflex block；9, reflection frame；10, upper reflex block；11, small bearing；12, positioning ring；13, the groove positioned；14, big
Bearing；15, lower reflex block；16, fixed block；17, nut；21, shell upper point；22, outer casing underpart point.
Specific embodiment
The present invention is illustrated with reference to the accompanying drawing, as shown, the present invention includes the lower reflection being arranged in direction knob 4
Block 15, direction knob 4 are a hollows, through-hole are arranged at axis, the lower reflex block is fixed in rotary shaft 151, is rotated
Angulation knob 5 is arranged in the outside of axis 151；In this way, can be to lower reflection by the angulation knob 5 that rotation is fixed on direction knob side
Block 15 carries out angle adjustment；Dial is arranged in the top of direction knob 4, can be determined in this way by the corresponding position of dial horizontal
The rotation angle in direction；Direction knob 4 is rotatablely connected by big bearing 14 with middle frame 23；The middle frame 23 is radial to be set
Reflex block 8 in dismountable is set, middle reflex block 8 is a component, as shown in Figure 3 includes laser channeling 81 and reflecting surface 82, institute
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 3 front of entrance aperture；The middle part
It is shell 2 above frame, upper reflex block 10 is arranged in the top of the shell 2；As shown in Figure 4, Figure 5, the upper reflex block 10
One end connects with 9 axis of reflection frame；Sliding slot 101 is arranged in the back of upper reflex block 10, and 102 one end of slide bar is inserted into the sliding slot 101, separately
Outer one end connects with 103 axis of angle adjustment lever for passing through reflection frame 9；It is revolved with direction is fixed on the lower end of the angle adjustment lever 103
The bar portion of taper knob 6 on button 4 is threadedly engaged, and the length of adjustment bar 103 is adjusted the angle by rotation taper knob 6,
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 gear 105 is set, the rack gear 105 engage with the gear 106 being arranged on the knob of direction, the gear 106 and height
It spends knob 7 coaxially to fix, the height that rotation height knob 7 adjusts top reflex block 10 can be passed through in this way；Under the direction knob 4
Fixed block 16 is arranged by connecting rod in end；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.
The present invention measure each position of lathe vibration when the following steps are included:
Step 1: knife handle is loaded onto the spindle hole of numerically-controlled machine tool；Middle reflex block 8 is put at laser injection aperture 3, and uses spiral shell
Mother 17 is fixed；
Step 2: laser emitter being loaded at the spiral in middle reflex block 8；
Step 3: reflecting the laser light to required orientation by adjusting direction knob 4；
Step 4: rotating lower reflex block by adjusting angulation knob 5, reflect the laser light to the position for needing to measure；
Step 5: recording the scale on each knob, facilitate and carry out the measurement with position next time.
Measure main shaft internal vibration when the following steps are included:
Step 1: knife handle being loaded onto the spindle hole of numerically-controlled machine tool, and direction knob 4 is fixed on by operation by fixed block 16
On platform.
Step 2: adjusting the angle in the centre bore that knob 5 makes reflection laser pass through direction knob 4
Step 3: adjustment taper knob 6 makes the laser reflection being mapped on main shaft wall return.
Step 4: the vibration of the inside different location of adjustment laser measurement main shaft.
Step 5: starting main shaft starts measurement vibration.
Step 6: the vibration of the inside different depth of the adjustment adjustable laser measurement main shaft of height knob 7.
Claims (3)
1. a kind of main shaft of numerical control machine tool knife handle with vibration measurement with laser function, it is characterised in that: including what is be arranged in the knob of direction
Lower reflex block, the lower reflex block is fixed on the rotary shaft, and angulation knob is arranged in the outside of rotary shaft；It is set above the knob of direction
Set dial；Direction knob is rotatablely connected by big bearing and middle frame；The middle frame is arranged radially in dismountable
Reflex block, the middle reflex block are 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, upper reflex block is arranged in the top of the shell；One end of the upper reflex block and anti-
Frame axis is penetrated to connect；Sliding slot is arranged in the back of upper reflex block, and slide bar one end is inserted into the sliding slot, other end with pass through reflection frame
Angle adjustment lever axis connects；The lower end of the angle adjustment lever is connect 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 rack gear is arranged in the lower end of height adjusting link, and the rack gear and setting are in direction
Gear engagement on knob, the gear are coaxially fixed with height knob；Fixed block is arranged in direction knob lower end.
2. the main shaft of numerical control machine tool knife handle according to claim 1 with vibration measurement with laser function, it is characterised in that: described outer
Shell includes the two parts being vertically connected with, and the taper of upper part is 1:10, and the taper of lower part is 7:24.
3. a kind of vibration measuring method of main shaft of numerical control machine tool knife handle described in claim 1, when measuring the vibration at each position of lathe
The following steps are included:
Step 1: knife handle is loaded onto the spindle hole of numerically-controlled machine tool；By middle reflex block put into laser light incident hole at, and with nut by its
It fixes；
Step 2: laser emitter is attached at the screw thread of entrance aperture；
Step 3: reflecting the laser light to required orientation by adjusting direction knob；
Step 4: rotating lower reflex block by adjusting angulation knob, reflect the laser light to the position for needing to measure；
Step 5: recording the scale on each knob, facilitate and carry out the measurement with position next time；
Measure main shaft internal vibration when the following steps are included:
Step 1: knife handle being loaded onto the spindle hole of numerically-controlled machine tool, and direction knob is fixed on station by fixed block；
Step 2: adjusting the angle in the centre bore that knob makes reflection laser pass through direction knob；
Step 3: adjustment taper knob makes the laser being mapped on main shaft wall backtracking after reflection；
Step 4: the vibration of the inside different location of adjustment laser measurement main shaft；
Step 5: starting main shaft starts measurement vibration；
Step 6: the vibration of the inside different depth of the adjustment adjustable laser measurement main shaft of height knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107116374A CN107116374A (en) | 2017-09-01 |
| CN107116374B true CN107116374B (en) | 2018-12-21 |
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|---|---|---|---|
| CN201710328386.2A Expired - Fee Related 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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|---|---|---|---|---|
| CN108021094B (en) * | 2017-12-04 | 2020-05-01 | 东北大学 | Laser detection table for vibration of electric spindle of high-grade numerical control machine tool and detection method thereof |
| CN115213738A (en) * | 2021-04-15 | 2022-10-21 | 靳永青 | Blank clamping is flare-out fast and is divided well laser instrument |
| CN113319336B (en) * | 2021-05-14 | 2022-03-25 | 青岛理工大学 | Aviation aluminum alloy curved surface shape work piece clamping device and milling system |
| CN116809691B (en) * | 2023-06-13 | 2024-06-11 | 成都飞机工业（集团）有限责任公司 | Cold extrusion hole pressing laser indicating device and method based on numerical control machine tool |
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| 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 |
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2017
- 2017-05-11 CN CN201710328386.2A patent/CN107116374B/en not_active Expired - Fee Related
Patent Citations (7)
| 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 |
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| CN107116374A (en) | 2017-09-01 |
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