CN102248485B - Clearance magnetic adsorption type two-dimensional grinding force test system - Google Patents
Clearance magnetic adsorption type two-dimensional grinding force test system Download PDFInfo
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- 238000000227 grinding Methods 0.000 title claims abstract description 64
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 45
- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 238000012545 processing Methods 0.000 claims abstract description 28
- 229910001651 emery Inorganic materials 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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Abstract
The invention provides a clearance magnetic adsorption type two-dimensional grinding force test system, relating to an experimental facility for testing a grinding force in a machining process. The test system comprises a traction device, a magnetic-conducting rail platform, a lifting processing device, a magnetic adsorption moving mechanism and a data acquisition system. The traditional grinding force measuring equipment is usually realized by adopting a grinding machine and a two-dimensional or multi-dimensional force testing sensor, the experimental facility is complex and cost is high. The clearance magnetic adsorption type two-dimensional grinding force test system provided by the invention can be used for carrying out grinding and data acquisition and processing simultaneously, has the advantages of compact structure, small volume, convenience for dismounting and regulating and lower cost, and is applicable to a grinding force testing experiment.
Description
Technical field
The present invention relates to the test macro of grinding force in a kind of mechanical processing process, belong to the power field of measuring technique.
Background technology
In order to design grinding equipment, especially the grinding robot needs to understand grinding force (normal pressure and the tangential force) scope under different removing materials, different emery wheel and the different technical parameters.The grinding force measurement device adopts traditional grinding machine and two dimension or multidimensional force transducer to realize usually, and experimental facilities is complicated, cost is expensive.
Can be used in a large number device (open such as Chinese invention patent: CN101524818, CN101526406 and the CN101131335) force cells that adopt that power is measured in the prior art more, there is no suitable grinding attachment, can not be directly used in grinding force measures, can only be used with large-scale grinding machine, also need the suitable auxiliary mould of otherwise designed, it is loaded down with trivial details to work, and experimental cost is higher.
Summary of the invention
The objective of the invention is in order to solve the problem of existing grinding force testing equipment complex structure, cost costliness, a kind of clearance magnetic adsorption type two-dimensional grinding force test system is provided, can be used for simultaneously grinding and data acquisition and processing, compact conformation, volume are little, and cost is lower.
The present invention adopts following technical scheme:
Clearance magnetic adsorption type two-dimensional grinding force test system of the present invention is characterized in that: comprise draw-gear, magnetic conduction orbital platform, lifting processing unit (plant), magnetic adsorption type travel mechanism and data collecting system;
Described draw-gear comprises traction electric machine, traction wheel and pull rope;
Described data collecting system comprises that at least three are measured the stressed power sensor of Z direction, stressed power sensor, capture card and the computer of measurement directions X;
Magnetic absorbing unit and Universal caster are contained in described magnetic adsorption type travel mechanism, and magnetic absorbing unit comprises yoke and magnet, and yoke and magnet form magnetic circuit; Magnetic absorbing unit by Universal caster along the orbital motion on the orbital platform; Leave the gap between magnetic absorbing unit and the magnetic conduction platform;
Measure the stressed power installation of sensors of Z direction in lifting processing unit (plant) bottom, and affixed with magnetic absorbing unit;
Measure the stressed power sensor of directions X and be fixed on the lifting processing unit (plant), and be connected the parallel track on pull rope and the magnetic conduction orbital platform with pull rope one end; The other end of pull rope is fixed on the circumference of traction wheel, and traction wheel links to each other with the output shaft of motor;
Described lifting processing unit (plant) comprises frame, emery wheel, emery wheel elevating mechanism, vertically-guided device, horizontally-guided device, terminal slide block and grinding motor; The output shaft of grinding motor links to each other with emery wheel by transmission mechanism, and emery wheel is installed on the described terminal slide block; Described emery wheel elevating mechanism comprises a lifting linking member group, and lifting linking member group one end and terminal slide block are hinged, and the other end and horizontally-guided device are hinged; Described horizontally-guided device comprises horizontally-guided motor, leading screw, be arranged on the first nut block on the leading screw and the second nut block, horizontally-guided spare, first moves horizontally piece and second and moves horizontally piece; Described first moves horizontally piece and is connected an end that moves horizontally piece and is connected with horizontally-guided spare respectively, the other end and described the first nut block be connected nut block and be connected, the first nut block is opposite with the second nut block rotation direction; Described vertically-guided device comprises a vertically-guided spare at least, and vertically-guided spare is fixed on the frame; Described terminal slide block slides up and down along vertically-guided spare.
Clearance magnetic adsorption type two-dimensional grinding force test system of the present invention is characterized in that: three magnetic absorbing units and three Universal casters are contained in described magnetic adsorption type travel mechanism; Each magnetic absorbing unit passes through a Universal caster along the orbital motion on the orbital platform; Three Universal casters are equilateral triangle to be arranged, and intersects through normal and the pull rope perpendicular direction at equilateral triangle center.
Clearance magnetic adsorption type two-dimensional grinding force test system of the present invention is characterized in that: described draw-gear also contains transmission mechanism, and the power shaft of this transmission mechanism links to each other with the output shaft of traction electric machine, and output shaft links to each other with traction wheel; Described transmission mechanism adopts gear drive, turbine and worm transmission, belt gear or chain drive.
Clearance magnetic adsorption type two-dimensional grinding force test system of the present invention, it is characterized in that: described lifting linking member group adopts the X-shaped connecting rod, the X-shaped connecting rod comprises two rod members that are hinged to X-shaped, one end of two rod members is fixedly connected with terminal slide block respectively, the other end of two rod members respectively with the horizontally-guided device in first move horizontally piece and second to move horizontally piece hinged.
Clearance magnetic adsorption type two-dimensional grinding force test system of the present invention, it is characterized in that: described lifting linking member group adopts the V-arrangement connecting rod, the V-arrangement connecting rod comprises the rod member of two hinged forming V-shapes, the end of two rod members is fixedly connected with terminal slide block, the other end of two rod members respectively with the horizontally-guided device in first move horizontally piece and second to move horizontally piece hinged.
Clearance magnetic adsorption type two-dimensional grinding force test system of the present invention, it is characterized in that: described lifting linking member group adopts X+V shape connecting rod, X+V shape connecting rod comprises that two are hinged to the rod member of X-shaped and the rod member of two hinged forming V-shapes, in the upper end of rod member and the horizontally-guided device to move horizontally piece hinged, the lower end of rod member is connected with terminal slide block; The rod member of X-shaped is on the rod member of V-arrangement or below the rod member of V-arrangement.
Clearance magnetic adsorption type two-dimensional grinding force test system of the present invention is characterized in that: described power sensor comprises resistance-type and piezoelectric type one dimension or two-dimentional force cell.
The present invention compared with prior art has the following advantages and the high-lighting effect:
This invention not only can be carried out grinding and data acquisition and processing simultaneously, and compact conformation, volume are little, are convenient to installing/dismounting and adjustment, with low cost, is fit to very much grinding dynamometry examination experiment; Be generalized to easily simultaneously other application, such as milling, cutting dynamometry etc.
Description of drawings
Fig. 1 is clearance magnetic adsorption type two-dimensional grinding force test system example structure principle schematic provided by the invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the magnetic adsorption type travel mechanism structural representation that present embodiment provides.
Fig. 4 is magnetic adsorption type travel mechanism and the scheme of installation of Z direction power sensor on the lifting processing unit (plant) of present embodiment.
Fig. 5 is that the emery wheel of present embodiment is installed in the schematic diagram on the terminal slide block.
In Fig. 1 to Fig. 3:
The 1-draw-gear, 2-magnetic conduction orbital platform, 3-lifting processing unit (plant), 4-magnetic adsorption type travel mechanism,
The 5-data collecting system, the 11-traction electric machine, the 12-traction wheel, the 13-pull rope,
The 14-turbine and worm, the 15-towing bracket, the 31-frame, the 32-emery wheel,
33-emery wheel elevating mechanism, 331-lifting linking member group, 34-vertically-guided device, 341-vertically-guided spare,
35-horizontally-guided device, the 351-leading screw, 352a-the first nut block, 352b-the second nut block,
353-horizontally-guided spare, 354a-first moves horizontally piece, and 354b-second moves horizontally piece,
The terminal slide block of 36-, 361-emery wheel the first semiaxis, 362-emery wheel the second semiaxis, the 37-grinding motor,
38-horizontally-guided motor, the 41-magnetic absorbing unit, the 411-yoke, the 412-magnet,
The 42-Universal caster, 51-power sensor, the 52-capture card, the 53-computer,
The 54-adjusting bracket, the 6-work piece holder.
The specific embodiment
Be described in further detail concrete structure of the present invention and operation principle below in conjunction with drawings and Examples.
Fig. 1, the 2nd, magnetic adsorption type two-dimensional grinding force test system example structure principle schematic provided by the invention comprises draw-gear 1, magnetic conduction orbital platform 2, lifting processing unit (plant) 3, magnetic adsorption type travel mechanism 4 and data collecting system 5.
In the clearance magnetic adsorption type two-dimensional grinding force test system of the present invention, draw-gear comprises traction electric machine 11, traction wheel 12 and pull rope 13; Draw-gear also contains transmission mechanism in the present embodiment, and the power shaft of this transmission mechanism links to each other with the output shaft of motor, and output shaft links to each other with traction wheel; Described transmission mechanism can adopt gear drive, turbine and worm transmission, belt gear or chain drive, adopts turbine and worm 14 transmissions in the present embodiment.
In the clearance magnetic adsorption type two-dimensional grinding force test system of the present invention, data collecting system comprises that three are measured the stressed power sensor 51 of Z direction, stressed power sensor, capture card 52 and the computer 53 of measurement directions X.
Fig. 3 is the magnetic adsorption type travel mechanism structural representation that present embodiment provides.Magnetic adsorption type travel mechanism comprises three magnetic absorbing units 41 and three Universal casters 42, and magnetic absorbing unit comprises yoke 411 and magnet 412, and yoke and magnet form magnetic circuit; Each magnetic absorbing unit passes through a Universal caster along the orbital motion on the orbital platform; Gapped between magnetic absorbing unit and the magnetic conduction platform; Three Universal casters are equilateral triangle to be arranged, and intersects through normal and the pull rope perpendicular direction at equilateral triangle center.
Fig. 4 is magnetic adsorption type travel mechanism and the scheme of installation of three Z direction power sensors on the lifting processing unit (plant) of present embodiment, measures the stressed power installation of sensors of Z direction in lifting processing unit (plant) bottom, and affixed with magnetic absorbing unit.
In the clearance magnetic adsorption type two-dimensional grinding force test system of the present invention, measure the stressed power sensor of directions X and be fixed on the lifting processing unit (plant), and be connected the parallel track on pull rope and the magnetic conduction orbital platform with pull rope one end; The other end of pull rope is fixed on the circumference of traction wheel, and traction wheel links to each other with the output shaft of traction electric machine.
In the clearance magnetic adsorption type two-dimensional grinding force test system of the present invention, the lifting processing unit (plant) comprises frame 31, emery wheel 32, emery wheel elevating mechanism 33, vertically-guided device 34, horizontally-guided device 35, terminal slide block 36 and grinding motor 37; The output shaft of grinding motor links to each other with emery wheel by transmission mechanism, and emery wheel is installed on the described terminal slide block; Described emery wheel elevating mechanism comprises a lifting linking member group 331, and lifting linking member group one end and terminal slide block are hinged, and the other end and horizontally-guided device are hinged; Described horizontally-guided device comprises horizontally-guided motor 38, leading screw 351, be arranged on the first nut block 352a on the leading screw and the second nut block 352b, horizontally-guided spare 353, first moves horizontally piece 354a and second and moves horizontally piece 354b; Described first moves horizontally piece and is connected an end that moves horizontally piece and is connected with horizontally-guided spare respectively, the other end and described the first nut block be connected nut block and be connected, the first nut block is opposite with the second nut block rotation direction; Described vertically-guided device comprises a vertically-guided spare 341 at least, and vertically-guided spare is fixed on the frame; Described terminal slide block slides up and down along vertically-guided spare.
Workpiece to be processed is by work piece holder 6 clampings.
In the clearance magnetic adsorption type two-dimensional grinding force test system of the present invention, contain emery wheel the first semiaxis 361 and emery wheel the second semiaxis 362 in the terminal slide block, emery wheel the first semiaxis and emery wheel the second semiaxis are located with the hole axle, internal and external threads connects the clamping emery wheel, the rolling bearing of first, second semiaxis and end is connected on the terminal slide block, and emery wheel only need unclamp to be threaded when changing and get final product.Fig. 5 is that it forms schematic diagram.
In the clearance magnetic adsorption type two-dimensional grinding force test system of the present invention, the lifting linking member group can adopt the X-shaped connecting rod, the X-shaped connecting rod comprises two rod members that are hinged to X-shaped, one end of two rod members is fixedly connected with terminal slide block respectively, the other end of two rod members respectively with the horizontally-guided device in first move horizontally piece and second to move horizontally piece hinged.
In the clearance magnetic adsorption type two-dimensional grinding force test system of the present invention, the lifting linking member group can adopt the V-arrangement connecting rod, the V-arrangement connecting rod comprises the rod member of two hinged forming V-shapes, the end of two rod members is fixedly connected with terminal slide block, the other end of two rod members respectively with the horizontally-guided device in first move horizontally piece and second to move horizontally piece hinged.
In the clearance magnetic adsorption type two-dimensional grinding force test system of the present invention, the lifting linking member group can adopt X+V shape connecting rod, X+V shape connecting rod comprises that two are hinged to the rod member of X-shaped and the rod member of two hinged forming V-shapes, in the upper end of rod member and the horizontally-guided device to move horizontally piece hinged, the lower end of rod member is connected with terminal slide block; The rod member of X-shaped is on the rod member of V-arrangement or below the rod member of V-arrangement.
Adopt X+V shape connecting rod in the present embodiment.
In the clearance magnetic adsorption type two-dimensional grinding force test system of the present invention, described power sensor comprises resistance-type and piezoelectric type one dimension or two-dimentional force cell, adopts one dimension S type pull pressure sensor in the present embodiment.
Operation principle is described below:
The lifting processing unit (plant) by magnetic absorbing unit with certain absorption affinity F
InhaleBe adsorbed on the magnetic conduction orbital platform, to guarantee that processing unit (plant) does not break away from the magnetic conduction orbital platform in the processing test process.
When this system works, traction electric machine 11 rotates by the traction wheel that drives on the turbine and worm output shaft, and an end of pull rope is fixed in the groove on the traction wheel, and is wrapped in the groove of traction wheel when motion; The other end of the pull rope power sensor 51 stressed with measuring directions X links to each other, this power sensor is fixed on the lifting processing unit (plant) by adjusting bracket 54, and traction lifting processing unit (plant) moves by magnetic adsorption type travel mechanism edge and the parallel track direction on the magnetic conduction orbital platform; Can control the feed speed of emery wheel by the traction electric machine rotating speed on the control draw-gear.
Cutting linear velocity and the workpiece grinding depth that can control respectively emery wheel by the grinding motor on the control lifting processing unit (plant) and horizontally-guided motor.
Suppose that Universal caster and raceway surface coefficient of friction are μ, trade shape is V-type, and angle is θ, and lifting processing unit (plant) weight is G, and the normal direction grinding force is Fn under certain technological parameter, and tangential grinding force is Ft.Then the grinding force measuring process is as follows:
At first carry out no load movement during one, grinding dynamometry and demarcate, that is: grinding work piece not, only draw the lifting processing unit (plant) with certain speed along the orbital motion on the magnetic conduction orbital platform.Then: the unloaded pulling force that directions X power sensor records is F
Draw, the gross pressure that three Y-direction power sensors record is G.
Two, during grinding, gross pressure and the pulling force that record this moment are respectively:
F
Press'=G-Fn
F
Draw'=F
Draw-Fng μ/cos ((π-θ)/2)+Ft
Can be found the solution by above two formulas and to draw normal direction and tangential grinding force:
Fn=G-F
Press'
Claims (7)
1. a clearance magnetic adsorption type two-dimensional grinding force test system is characterized in that: comprise draw-gear (1), magnetic conduction orbital platform (2), lifting processing unit (plant) (3), magnetic adsorption type travel mechanism (4) and data collecting system (5);
Described draw-gear comprises traction electric machine (11), traction wheel (12) and pull rope (13);
Described data collecting system comprises that at least three are measured the stressed power sensor (51) of Z direction, stressed power sensor, capture card (52) and the computer (53) of measurement directions X;
Magnetic absorbing unit (41) and Universal caster (42) are contained in described magnetic adsorption type travel mechanism, and magnetic absorbing unit comprises yoke (411) and magnet (412), and yoke and magnet form magnetic circuit; Magnetic absorbing unit by Universal caster along the orbital motion on the orbital platform; Leave the gap between magnetic absorbing unit and the magnetic conduction platform;
Measure the stressed power installation of sensors of Z direction in lifting processing unit (plant) bottom, and affixed with magnetic absorbing unit;
Measure the stressed power sensor of directions X and be fixed on the lifting processing unit (plant), and be connected the parallel track on pull rope and the magnetic conduction orbital platform with pull rope one end; The other end of pull rope is fixed on the circumference of traction wheel, and traction wheel links to each other with the output shaft of motor;
Described lifting processing unit (plant) comprises frame (31), emery wheel (32), emery wheel elevating mechanism (33), vertically-guided device (34), horizontally-guided device (35), terminal slide block (36) and grinding motor (37); The output shaft of grinding motor links to each other with emery wheel by transmission mechanism, and emery wheel is installed on the described terminal slide block; Described emery wheel elevating mechanism comprises a lifting linking member group (331), and lifting linking member group one end and terminal slide block are hinged, and the other end and horizontally-guided device are hinged; Described horizontally-guided device comprises horizontally-guided motor (38), leading screw (351), be arranged on the first nut block (352a) on the leading screw and the second nut block (352b), horizontally-guided spare (353), first moves horizontally piece (354a) and second and moves horizontally piece (354b); Described first moves horizontally piece and is connected an end that moves horizontally piece and is connected with horizontally-guided spare respectively, the other end respectively with described the first nut block be connected nut block and be connected, the first nut block is opposite with the second nut block rotation direction; Described vertically-guided device comprises a vertically-guided spare (341) at least, and vertically-guided spare is fixed on the frame; Described terminal slide block slides up and down along vertically-guided spare.
2. clearance magnetic adsorption type two-dimensional grinding force test system as claimed in claim 1 is characterized in that: three magnetic absorbing units (41) and three Universal casters (42) are contained in described magnetic adsorption type travel mechanism; Each magnetic absorbing unit passes through a Universal caster along the orbital motion on the orbital platform; Three Universal casters are equilateral triangle to be arranged, and intersects through normal and the pull rope perpendicular direction at equilateral triangle center.
3. clearance magnetic adsorption type two-dimensional grinding force test system as claimed in claim 1, it is characterized in that: described draw-gear also contains transmission mechanism, and the power shaft of this transmission mechanism links to each other with the output shaft of traction electric machine, and output shaft links to each other with traction wheel; Described transmission mechanism adopts gear drive, Worm Wheel System, belt gear or chain drive.
4. clearance magnetic adsorption type two-dimensional grinding force test system as claimed in claim 1, it is characterized in that: described lifting linking member group adopts the X-shaped connecting rod, the X-shaped connecting rod comprises two rod members that are hinged to X-shaped, one end of two rod members is fixedly connected with terminal slide block respectively, the other end of two rod members respectively with the horizontally-guided device in first move horizontally piece and second to move horizontally piece hinged.
5. clearance magnetic adsorption type two-dimensional grinding force test system as claimed in claim 1, it is characterized in that: described lifting linking member group adopts the V-arrangement connecting rod, the V-arrangement connecting rod comprises the rod member of two hinged forming V-shapes, the end of two rod members is fixedly connected with terminal slide block, the other end of two rod members respectively with the horizontally-guided device in first move horizontally piece and second to move horizontally piece hinged.
6. clearance magnetic adsorption type two-dimensional grinding force test system as claimed in claim 1, it is characterized in that: described lifting linking member group adopts X+V shape connecting rod, X+V shape connecting rod comprises that two are hinged to the rod member of X-shaped and the rod member of two hinged forming V-shapes, in the upper end of rod member and the horizontally-guided device first moves horizontally piece and second, and to move horizontally piece all hinged, and the lower end of rod member is connected with terminal slide block; The rod member of X-shaped is on the rod member of V-arrangement or below the rod member of V-arrangement.
7. clearance magnetic adsorption type two-dimensional grinding force test system as claimed in claim 1, it is characterized in that: described power sensor comprises resistance-type and piezoelectric type one dimension or two-dimentional force cell.
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| CN2011100236129A CN102248485B (en) | 2011-01-21 | 2011-01-21 | Clearance magnetic adsorption type two-dimensional grinding force test system |
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| CN102672538B (en) * | 2011-12-31 | 2014-08-20 | 河南科技大学 | Calibrating device and calibrating method by adopting resistance strain type turning dynamometer |
| CN103551923B (en) * | 2013-10-25 | 2016-01-13 | 河南科技大学 | The scaling method that lathe is demarcated turning dynamometer and caliberating device |
| CN104128883B (en) * | 2014-07-29 | 2016-05-25 | 北京理工大学 | A kind of abrasive power high precision measuring device |
| CN107764452A (en) * | 2017-10-16 | 2018-03-06 | 清华大学天津高端装备研究院 | A kind of permanent magnet gap absorption force measuring device and its application |
| CN109434200B (en) * | 2018-10-24 | 2020-01-24 | 武汉理工大学 | Two-dimensional error compensation device and method for polishing circular hole cavity of titanium alloy casting |
| CN112247741B (en) * | 2020-09-25 | 2022-04-08 | 深圳市裕展精密科技有限公司 | Calibration system, calibration method and calibration device |
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| JP3073195B1 (en) * | 1999-01-29 | 2000-08-07 | 住友特殊金属株式会社 | Work cutting device and work cutting method |
| CN100349695C (en) * | 2005-07-21 | 2007-11-21 | 浙江大学 | Method and device for measuring milling force for honeycomb type flexible material |
| JP4839720B2 (en) * | 2005-08-04 | 2011-12-21 | トヨタ自動車株式会社 | Precision processing equipment |
| CN100458388C (en) * | 2007-09-07 | 2009-02-04 | 南京航空航天大学 | Two-dimension force transducer with small measuring range |
| CN101524818B (en) * | 2009-04-15 | 2010-07-07 | 大连理工大学 | Piezoelectric-type four-dimensional cutting force-measuring platform |
| CN101526406B (en) * | 2009-04-22 | 2010-10-27 | 吉林大学 | Combined three-dimensional force and moment test board integrated device |
| CN101648352B (en) * | 2009-09-02 | 2011-05-11 | 大连华锐股份有限公司 | Adjusting and detecting device for cutting edge gap of rotary cutter and detecting method thereof |
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