CN105547685B - High-speed electric main shaft loads and tool changing experimental rig - Google Patents
High-speed electric main shaft loads and tool changing experimental rig Download PDFInfo
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- CN105547685B CN105547685B CN201610048122.7A CN201610048122A CN105547685B CN 105547685 B CN105547685 B CN 105547685B CN 201610048122 A CN201610048122 A CN 201610048122A CN 105547685 B CN105547685 B CN 105547685B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 54
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- 229910052742 iron Inorganic materials 0.000 claims abstract description 27
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 17
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- 238000010168 coupling process Methods 0.000 claims description 23
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- 238000001816 cooling Methods 0.000 claims description 21
- 238000006073 displacement reaction Methods 0.000 claims description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 210000000078 claw Anatomy 0.000 claims description 10
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
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- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 15
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- 238000003780 insertion Methods 0.000 description 3
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- 238000010276 construction Methods 0.000 description 2
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- 230000005611 electricity Effects 0.000 description 2
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- 239000007787 solid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
High-speed electric main shaft loads and tool changing experimental rig belongs to mechanical test technical field, it is therefore intended that solves the problems, such as that function existing for prior art is single, expensive and fail to simulate real installation environment.The high-speed electric main shaft loading of the present invention and tool changing experimental rig include ground black iron, support stand, main shaft support part, main-shaft torque loading section, single hydraulic cylinder Bidirectional cutting power loading section and knife-changing system part；The support stand is fixed on described ground black iron, the main shaft support part neutralizes the moment of torsion loading section and is fixed on vertically on the support stand, the main-shaft torque loading section is connected with the electro spindle of the main shaft support part realizes that moment of torsion loads, the electro spindle vertical direction is set, the single hydraulic cylinder Bidirectional cutting power loading section is fixed on described ground black iron, act on the loading unit of the main-shaft torque loading section, realize that Bidirectional cutting power loads, the knife-changing system part is fixed on the support stand.
Description
Technical field
The invention belongs to mechanical test technical field, and in particular to a kind of high-speed electric main shaft loading and tool changing experimental rig.
Background technology
Digit Control Machine Tool is the important foundation stone that the modernization of industry develops, its reliable sexual development already turns into as industrial machine tool
Restrict the key common technology of industry development.One of the main reason for domestic numerical control lathe reliability level is relatively low is its crucial work(
The reliability level of energy part is relatively low, therefore research Digit Control Machine Tool key feature reliability test has important reality
Border meaning.One of the key feature of electro spindle as Digit Control Machine Tool, reliability of the reliability level of its own to complete machine
Level has important influence.
In actual condition, electro spindle is in addition to machining to be completed, it is also necessary to loose broaching tool and tool changing work are carried out, it is existing
Have in technology, in terms of electro spindle reliability test system, multiple analog moment of torsion and cutting force load test, function list be present
One and imperfection.
For in terms of electro spindle loading, mode is generally divided into contact loading and contactless loading, use are contactless
Electromagnetism loading can produce electromagnetic interference to main shaft.Electro-hydraulic loading technical perfection at present, but be the problem of exist, for two
Direction loading is two sets of Based on Electro-hydraulic Loading Servo System of axial force and radial load simulation loading, expensive；In addition, electro spindle
Mostly horizontal installation, but in real process, the electro spindle of vertical installation is more, and horizontal installation fails to simulate real mounting ring
Border, and the inconvenient testing crew operation of horizontal installation.
The content of the invention
It is an object of the invention to propose a kind of high-speed electric main shaft loading and tool changing experimental rig, solve prior art and exist
Function it is single, expensive and the problem of fail to simulate real installation environment.
To achieve the above object, high-speed electric main shaft of the invention loading and tool changing experimental rig include ground black iron, supporting table
Frame, main shaft support part, main-shaft torque loading section, single hydraulic cylinder Bidirectional cutting power loading section and knife-changing system part；
The support stand is fixed on described ground black iron, the main shaft support part and the main-shaft torque loading section
It is fixed on vertically on the support stand, the main-shaft torque loading section is connected real with the electro spindle of the main shaft support part
Existing moment of torsion loading, the electro spindle vertical direction are set, and the single hydraulic cylinder Bidirectional cutting power loading section is fixed on describedly
On black iron, act on the main-shaft torque loading section and realize that Bidirectional cutting power loads, the knife-changing system part is fixed on institute
State on support stand；
The single hydraulic cylinder Bidirectional cutting power loading section include cutting force loading section and two to loading box portion；Institute
Stating cutting force loading section includes electro-hydraulic servo loading device and mobile platform, and the mobile platform is fixed on described ground black iron
On, the electro-hydraulic servo loading device is fixed on the mobile platform, the moving direction of the mobile platform and described electro-hydraulic
The loading direction of the power of servo-loading unit is vertical；
Described two include two to load maintainer housing, rotary unit support, two rotary units, bullets to loading box portion
Property load plate B, radial loaded arm, the support of radial loaded arm, axially loaded swing arm and radial loaded swing arm；Rotary unit support is solid
Described two are scheduled on on load maintainer housing, the axially loaded swing arm and radial loaded swing arm pass through a rotation respectively
Unit is arranged on rotary unit support and two between load maintainer housing, the radial loaded arm be supported and fixed on described two to
Load maintainer housing lower surface, the radial loaded arm lower end and radial loaded arm support are fixedly connected, upper end and described
The end thereof contacts of radial loaded swing arm, the radial loaded head of the other end of the radial loaded swing arm and main-shaft torque loading
Partial loading unit contact, and perpendicular acting is on loading unit, one end of the elastic load plate B and described axially loaded
Swing arm is fixedly connected, and one end of other end radial loaded arm support near with the radial loaded arm rest is fixedly connected, the axial direction
The other end for loading swing arm is contacted by the loading unit of axially loaded claw and main-shaft torque loading section；
Load bar perpendicular acting in the cutting force loading section in electro-hydraulic servo loading device is described two to loading
On the elastic load plate B of box portion.
The main shaft support part also includes embracing clamping structure, electro spindle base and base support block；The electro spindle is fixed
On clamping structure is embraced, both ends are stretched out, and a described armful of clamping structure side wall parallel with the electro spindle is fixed on the electro spindle bottom
On seat, the electro spindle base is fixed in the base support block, and the base support block is fixed on the support stand.
The main-shaft torque loading section also includes flexible sheet shaft coupling, dynamometer machine, S types pull pressure sensor, loading
Rod and dynamometer machine pedestal；One end of the loading bar is loaded on the scroll chuck of the electro spindle, and the other end passes through the bullet
The output axis connection of property diaphragm coupling and the dynamometer machine, the output shaft of the electro spindle, loading bar and dynamometer machine is coaxial, institute
State dynamometer machine to be fixed on the support stand by the dynamometer machine pedestal, described S types pull pressure sensor one end is fixed on
On the dynamometer machine, the other end is fixed on the dynamometer machine pedestal, and the loading bar is multi-diameter shaft.
The loading unit includes the dust-proof end cap in left side, loading unit shell, cooling copper tube, bearing block, left side bearing, set
Cylinder, right side bearing, bearing (ball) cover, the dust-proof end cap in right side and sealing ring；The left side bearing, sleeve and the installation of right side bearing side
On the loading bar, the left side bearing and right side bearing and loading bar are interference fitted, the right side bearing inner ring and described
The shaft shoulder contact positioning of loading bar, interference fits are used between the outer shroud and the bearing block of the left side bearing and right side bearing
Or gap coordinates, the bearing (ball) cover and described bearing block one end are fastenedly connected, on the inside of bearing (ball) cover and in the right side bearing
Ring is contacted, and the cooling copper tube is enclosed on the external cylindrical surface of the bearing block, and the loading unit casing is in the cooling copper
Guan Shang, loading unit shell are fixedly connected close to left side bearing one end with the bearing block, the dust-proof end cap in the left side and right side
Dust-proof end cap is fastenedly connected with the loading unit shell respectively, the dust-proof end cap in the left side and the dust-proof end cap in right side and loading bar
Contact position is provided with sealing ring.
The mobile platform includes guide supporting, guide rail, servomotor, shaft coupling housing, shaft coupling, leading screw and leading screw branch
Support；The servomotor is fixed on the shaft coupling housing, and the output shaft of servomotor is connected by one end of shaft coupling and leading screw
Connect, the other end of the leading screw is arranged in the guide supporting by leading screw support, and two parallel guide rails are arranged on described
In guide supporting, two guide rails are arranged on the leading screw both sides and, the leading screw and a leading screw parallel with the leading screw
Nut forms screw pair, and a sliding block is fixed with the feed screw nut, and the sliding block and two guide rails form prismatic pair,
The guide supporting is supported and fixed on the support stand by a base, and the electro-hydraulic servo loading device is fixed on institute
State on sliding block.
The electro-hydraulic servo loading device also includes retainer, hydraulic cylinder, servo valve, elastic load plate A, servo loading work
Make platform, slide plate, force snesor and displacement transducer；The slide plate lower surface is fixed on described by the servo loading workbench
On sliding block, slide plate upper surface surrounding is provided with retainer, and centre is fixed with hydraulic cylinder, piston rod one end of the hydraulic cylinder
Connected by oscillating bearing with the slide plate, the other end connects with the end face of the elastic load plate A, the elastic load plate
A other end connects with the load bar, the loading force of load bar described in the force sensor measuring, institute's displacement sensors
Measure the displacement that the load bar stretches out, the load bar action of hydraulic cylinder described in the servo valve control.
The elastic load plate A is identical with elastic load plate B structure, and the elastic load plate A includes left connection board, the right side
Connecting plate and two sleeves；The left connection board and right connection board are oppositely arranged, and left connection board and right connection board both ends pass through two
Individual bolt connection, two sleeves are arranged between left connection board and right connection board, and two sleeves are enclosed on described two bolts.
The rotary unit includes swing arm bearing, thrust bearing, arm shaft and swing arm locking nut；The swing arm bearing and
The thrust bearing is successively set on the arm shaft, and axially loaded swing arm or radial loaded swing arm and the swing arm bearing are matched somebody with somebody
Close, described arm shaft one end and rotary unit support threaded connection, and locked by the swing arm locking nut, the other end
Connected with described two to load maintainer housing, and be provided with loading end cap.
The knife-changing system part include manipulator, handle of a knife, handle of a knife support, tool changing transmission case, tool changing transmission box bracket and
Tool-changing mechanical arm motor；The tool changing transmission case is fixed on the tool changing transmission box bracket, and the tool-changing mechanical arm motor is consolidated
It is scheduled on the tool changing transmission case, the handle of a knife is arranged on the tool changing transmission case upper end, the tool changing machine by handle of a knife support
Manipulator described in tool hand motor driven is rotated, and tool changing, the tool changing transmission case branch are realized in the manipulator and handle of a knife cooperation
Frame is arranged on the outside of main shaft support part, and both ends are fixed on the support stand.
The experimental rig also includes oil-air lubricating device, switch board and the cooling device being fixed on support stand；Institute
State switch board to be controlled whole experimental rig, the oil-air lubricating device and the cooling device are lubricated electro spindle
And cooling.
Beneficial effects of the present invention are：
1st, high-speed electric main shaft of the invention loading and tool changing experimental rig are loaded using a set of single hydraulic cylinder Bidirectional cutting power
It is partially completed to the two of electro spindle axial force and radial load to loading, reduces manufacturing cost, while using dynamometer machine to loading bar
Carry out moment of torsion loading, simulation electro spindle cutting force suffered during true workpieces processing and the cutting moment of torque.By to tested
Machine tool chief axis carry out simulate real working condition reliability test, excite, the failure of exposing product, be product reliability growth
Practical basic data is provided with assessing；
2nd, high-speed electric main shaft of the invention loading and tool changing experimental rig are loaded using a set of single hydraulic cylinder Bidirectional cutting power
Realize dynamic and static loading in part；Cutting force amplitude and loading frequency, the unit head cutting moment of torque can according to dynamic under different operating modes
Adjust；
3rd, high-speed electric main shaft of the invention loading and tool changing experimental rig employ dismountable measurement of power machine worktable, can be with
Dynamometer machine and loading bar are departed from, makes testing stand convenient disassembly, is conveniently replaceable the electro spindle of various models；
4th, high-speed electric main shaft of the invention loading and tool changing experimental rig can complete reliability test and tool changing examination simultaneously
Test, function diversification；
5th, the vertical installation of electro spindle is more met actual main shaft by high-speed electric main shaft of the invention loading and tool changing experimental rig
Mounting means, real processing environment can be simulated, while meet ergonomics, more convenient operation.
Brief description of the drawings
Fig. 1 is high-speed electric main shaft loading and the tool changing experimental rig overall structure diagram of the present invention；
Fig. 2 be the present invention high-speed electric main shaft loading and tool changing experimental rig in two to loading box portion structural representation
Figure；
Fig. 3 shows in the high-speed electric main shaft loading of the present invention and tool changing experimental rig two to loading box portion structural housing
It is intended to；
Fig. 4 is rotary unit structural representation in the high-speed electric main shaft loading of the present invention and tool changing experimental rig；
Fig. 5 is radial loaded swing arm structure schematic diagram in the high-speed electric main shaft loading of the present invention and tool changing experimental rig；
Fig. 6 is radial direction loading arm supporting construction schematic diagram in the high-speed electric main shaft loading of the present invention and tool changing experimental rig；
Fig. 7 is main shaft support part in the high-speed electric main shaft loading of the present invention and tool changing experimental rig and main-shaft torque loading
Part body schematic diagram；
Fig. 8 is loading unit structural representation in the high-speed electric main shaft loading of the present invention and tool changing experimental rig；
Fig. 9 is cutting force loading section structural representation in the high-speed electric main shaft loading of the present invention and tool changing experimental rig；
Figure 10 is knife-changing system part-structure schematic diagram in the high-speed electric main shaft loading of the present invention and tool changing experimental rig；
Figure 11 is high-speed electric main shaft loading and the tool changing schematic diagram of tool changing experimental rig of the present invention；
Wherein：1st, oil-air lubricating device, 2, support stand, 3, switch board, 4, black iron, 5, cooling device, 6, guide rail branch
Support, 7, guide rail, 8, servomotor, 9, shaft coupling housing, 10, shaft coupling, 11, oscillating bearing, 12, retainer, 13, servo valve,
14th, leading screw, 15, leading screw support, 16, elastic load plate A, 17, force snesor, 18, load bar, 19, dynamometer machine pedestal, 20, survey
Work(machine, 21, flexible sheet shaft coupling, 22, loading unit, 23, embrace clamping structure, 24, electro spindle base, 25, rotary unit, 26,
Elastic load plate B, 27, radial loaded end cap, 28, radial loaded arm, 29, the support of radial loaded arm, 30, axially loaded claw,
31st, axially loaded end cap, 32, axially loaded swing arm, 33, back-up ring, 34, swing arm bearing, 35, thrust bearing, 36, arm shaft, 37,
Swing arm locking nut, 38, two to load maintainer housing, 39, rotary unit support, 40, manipulator, 41, handle of a knife, 42, handle of a knife branch
Frame, 43, tool changing transmission case, 44, tool changing transmission box bracket, 45, tool-changing mechanical arm motor, 46, S type pull pressure sensor, 47 plus
Carry rod, 48, electro spindle, 49, base support block, 50, slide plate, 51, hydraulic cylinder, 52, displacement transducer, 54, servo loading work
Platform, 55, the dust-proof end cap in left side, 56, loading unit shell, 57, left side bearing, 58, cooling copper tube, 59, sleeve, 60, bearing block,
61st, right side bearing, 62, bearing (ball) cover, 63, the dust-proof end cap in right side, 64, sealing ring, 65, cutting force loading section, 66, two to adding
Carry box portion, 67, main-shaft torque loading section, 68, knife-changing system part.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
Referring to accompanying drawing 1, high-speed electric main shaft of the invention loading and tool changing experimental rig include ground black iron 4, support stand 2,
Main shaft support part, main-shaft torque loading section 67, single hydraulic cylinder Bidirectional cutting power loading section and knife-changing system part 68；
The support stand 2 is fixed on described ground black iron 4, the main shaft support part and the main-shaft torque loading unit
67 are divided to be fixed on vertically on the support stand 2, the main-shaft torque loading section 67 and the electricity of the main shaft support part are main
The connection of axle 48 realizes that moment of torsion loads, and the vertical direction of electro spindle 48 is set, the single hydraulic cylinder Bidirectional cutting power loading section
It is fixed on described ground black iron 4, acts on the loading unit 22 of the main-shaft torque loading section 67, realize Bidirectional cutting power
Loading, the knife-changing system part 68 is fixed on the support stand 2；
The single hydraulic cylinder Bidirectional cutting power loading section includes cutting force loading section 65 and two to loading box portion
66；The cutting force loading section 65 includes electro-hydraulic servo loading device and mobile platform, and the mobile platform is fixed on described
On ground black iron 4, the electro-hydraulic servo loading device is fixed on the mobile platform, the moving direction of the mobile platform and institute
The loading direction for stating the power of electro-hydraulic servo loading device is vertical；
Referring to accompanying drawing 2 and accompanying drawing 3, described two include two to load maintainer housing 38, rotation list to loading box portion 66
Member support 39, two rotary units 25, elastic load plate B26, radial loaded arm 28, radial loaded arm support 29, it is axially loaded
Swing arm 32 and radial loaded swing arm；
Referring to accompanying drawing 4, the rotary unit 25 includes swing arm bearing 34, thrust bearing 35, arm shaft 36 and swing arm locking
Nut 37；The swing arm bearing 34 and the thrust bearing 35 are successively set on the arm shaft 36, axially loaded swing arm 32
Or radial loaded swing arm and the swing arm bearing 34 coordinate, described one end of arm shaft 36 and the rotary unit support 39 screw threads to connect
Connect, and locked by the swing arm locking nut 37, the other end and described two connects to load maintainer housing 38, and is provided with and adds
Carry end cap.
Exemplified by axially loaded, axially loaded claw 30 and the contact portion of loading unit 22 are half rounded convex, arm shaft
36 are connected through a screw thread with rotary unit support 39, and locking arm shaft 36 by the locking nut of arm shaft 36 prevents from loosening, axially
Loading swing arm 32 is connected through a screw thread with axially loaded claw 30, axially loaded swing arm 32 and the phase of swing arm bearing 34 with locating snap ring
Coordinate, the upper end of swing arm bearing 34 dress thrust bearing 35, pretension carried out to swing arm bearing 34 and thrust bearing 35 using end cap is loaded,
Axially loaded end cap 31 and two carries out bolt connection to the left side of load maintainer housing 38, and is provided with back-up ring 33.
Referring to accompanying drawing 5, the radial loaded swing arm is a board-like part, and middle has a circular hole to be used to connect with swing arm bearing 34
Connect, a column loading head is welded with one end of radial loaded swing arm.
The axially loaded swing arm 32 is also a board-like part, and middle has a circular hole to be used to be connected with swing arm bearing 34,
One end of axially loaded swing arm 32 is provided with two screwed holes and is used to be threadedly coupled with axially loaded claw 30.
Referring to accompanying drawing 6, described radial loaded arm support 29 is a rectangle plate structure part, radial loaded arm support 29
Rectangular base plate both sides have three rectangle elongated pores and are connected by bolt and T-nut with ground black iron 4.Three pieces of floors are into work
Font supporting construction is welded in rectangular base plate, and middle floor is connected by bearing pin with radial loaded arm 28.
Described radial loaded arm 28 is a plate class weldment, and front end is that an iron hoop is used for and radial loaded arm support 29
Bearing pin is connected, and welds a cuboid plate thereon.
The perpendicular acting of load bar 18 in the cutting force loading section 65 in electro-hydraulic servo loading device described two to
On the elastic load plate B26 for loading box portion 66.
Described two connect body structure to load maintainer housing 38 for a semi-open type plate class, and its upper plate is a rectangular slab class knot
Component, a rectangular opening is provided with the left-side center of plate, the right center of plate is evenly equipped with four screwed holes, among four screwed holes
There is a center hole, for being threadedly coupled with radial loaded end cap 27, the surrounding of plate is distributed four screwed holes and is used for casing
Lower half is threadedly coupled.
Described two to the left surface of load maintainer housing 38 be a rectangle plate structure, and its upper surface has two screwed holes to use
Be threadedly coupled in upper plate, its medial surface have four screwed holes be used for two to load maintainer housing 3838 below to company
Connect.Its right flank has been evenly equipped with four screwed hole, has a center hole among four screwed holes, for axially loaded end cap
31 are threadedly coupled.
Behind two described load maintainer housings and a stepped plate parts, in its upper surface branch two
Screwed hole is used to be threadedly coupled with upper surface, and uniform four screwed holes in its side and two are carried out to the left surface of loading casing
Threaded connection, meanwhile, in its positive L-shaped uniform four screwed hole of upper right portion, for carrying out spiral shell with radial direction rotating shaft support
Line connects.
Rotary unit support 39 is a plate class connector, and its upper plate is a rectangle plate structure part, uniform behind plate
Four screwed holes be used for two to load maintainer housing 38 followed by threaded connection, uniform four screwed holes before plate
For being threadedly coupled with the front end face of rotary unit support 39, it is used for and rotation in uniform four screwed holes of the right flank of plate
The right flank of unit supports 39 is threadedly coupled, its upper surface has been evenly equipped with four screwed hole, is had among four screwed holes
One center hole, for being threadedly coupled with arm shaft 36.The left surface of radial direction rotating shaft support is a rectangle plate parts, its
Upper surface, former and later two side surfaces are distributed four screwed holes, its upper surface has been evenly equipped with four screwed hole, in four screwed holes
There is a center hole centre, and the preceding surface for carrying out being threadedly coupled radial direction rotating shaft support with arm shaft 36 is also a rectangular slab
Class part, the L-shaped both sides in its positive top and the left side respectively four screwed holes of distribution be used for above radial direction rotating shaft support
It is threadedly coupled with right flank.Two load maintainer housing lower plate both sides have three rectangle elongated pores by bolt and
T-nut is connected with ground black iron 4.
Rotary unit support 39 is fixed on described two on load maintainer housing 38, the axially loaded swing arm 32 and radially
Loading swing arm respectively by a rotary unit 25 be arranged on rotary unit support 39 and two to load maintainer housing 38 it
Between, radial loaded arm support 29 is fixed on described two to the lower surface of load maintainer housing 38, under the radial loaded arm 28
End is fixedly connected with radial loaded arm support 29, and the end thereof contacts of upper end and the radial loaded swing arm, the radial direction adds
The radial loaded head of the other end and the loading unit 22 of the main-shaft torque loading section 67 for carrying swing arm contact, and perpendicular acting
On loading unit 22, one end of the elastic load plate B26 is fixedly connected with the axially loaded swing arm 32, the other end and institute
State radial loaded arm 28 to be fixedly connected close to one end of radial loaded arm support 29, the other end of the axially loaded swing arm 32 leads to
The loading unit 22 for crossing axially loaded claw 30 and main-shaft torque loading section 67 contacts.
Referring to accompanying drawing 7, the main shaft support part also includes embracing clamping structure 23, electro spindle base 24 and base support block
49；The electro spindle 48, which is bolted on, to be embraced on clamping structure 23, and both ends are stretched out, described armful of clamping structure 23 and the electro spindle
A 48 parallel side walls are fixed on the electro spindle base 24, and the electro spindle base 24 is fixed by bolt and T-nut
In the base support block 49, the base support block 49 is fixed on the middle part of support stand 2.By embracing the He of clamping structure 23
Electro spindle base 24 can be adjusted to the length direction of electro spindle 48, can be to electricity by the thickness for changing base support block 49
The short transverse of main shaft 48 is adjusted, and so as to realize electro spindle 48 and the adjustment of the axiality of dynamometer machine 20, embraces clamping structure 23
It is fixed on by bolt and T-nut on electro spindle base 24, the major axes orientation of electro spindle 48 is downward, its center axis and support
The preceding surface of stand 2 is parallel, perpendicular to ground black iron 4.Described armful of clamping structure 23 is to encircle the housing in the outside of electro spindle 48
Structure plays a part of fixed electro spindle.
The main-shaft torque loading section 67 also includes flexible sheet shaft coupling 21, dynamometer machine 20, S type pull pressure sensor
46th, loading bar 47 and dynamometer machine pedestal 19；One end of the loading bar 47 is loaded on the scroll chuck of the electro spindle 48, separately
One end passes through the output axis connection of the flexible sheet shaft coupling 21 and the dynamometer machine 20, the electro spindle 48, loading bar 47
Coaxial with the output shaft of dynamometer machine 20, the dynamometer machine 20 is fixed on the support stand 2 by the dynamometer machine pedestal 19,
Described one end of S types pull pressure sensor 46 is fixed on the dynamometer machine 20, and the other end is fixed on the dynamometer machine pedestal 19,
The loading bar 47 is multi-diameter shaft, and the small end of loading bar 47 has the round end A type keyways along its axisymmetrical.
Described dynamometer machine pedestal 19 is a square box structure, and a through hole is distributed with corner respectively, passes through bolt
It is fixed on nut on ground black iron 4.
The end greatly of loading bar 47 is loaded on the scroll chuck of main spindle box, and other end small end passes through two A types keys and model
The JM116 one end of flexible sheet shaft coupling 21 connection, the other end of the output shaft and flexible sheet shaft coupling 21 of dynamometer machine 20 lead to
Two A type key connections are crossed, described dynamometer machine 20 is bolted on measurement of power using electric A.C. dynamometer DL662
On machine pedestal 19, dynamometer machine pedestal 19 is fixed on support stand 2 by T-nut, and S types pulling force sensor 17 monitors institute in real time
Apply the size of torque.The position of dynamometer machine 20 for support stand 2 middle and lower part and have small segment distance apart from ground black iron 4, just
In its installation and dismounting.
Referring to accompanying drawing 8, the loading unit 22 include the dust-proof end cap 55 in left side, loading unit shell 56, cooling copper tube 58,
Bearing block 60, left side bearing 57, sleeve 59, right side bearing 61, bearing (ball) cover 62, the dust-proof end cap 63 in right side and sealing ring 64；Institute
State left side bearing 57, sleeve 59 and the side of right side bearing 61 to be arranged on the loading bar 47, the left side bearing 57 and right side
Bearing 61 is interference fitted with loading bar 47, the shaft shoulder contact positioning of the inner ring of right side bearing 61 and the loading bar 47, described
Coordinated between left side bearing 57 and the outer shroud and the bearing block 60 of right side bearing 61 using interference fits or gap, the bearing
End cap 62 and the one end of the bearing block 60 are fastenedly connected, the inner side of bearing (ball) cover 62 and the inner ring of right side bearing 61 contact, described
Cooling copper tube 58 is enclosed on the external cylindrical surface of the bearing block 60, and the loading unit shell 56 is enclosed on the cooling copper tube 58
On, loading unit shell 56 is fixedly connected close to the one end of left side bearing 57 with the bearing block 60, the dust-proof end cap 55 in left side
End cap 63 dust-proof with right side is fastenedly connected with the loading unit shell 56 respectively, and the dust-proof end cap 55 in the left side and right side are dust-proof
End cap 63 is provided with sealing ring 64 with the contact position of loading bar 47.The dust-proof end cap 55 in the left side and the dust-proof end cap 63 in right side are square
Iron plate, inside are shoulder holes, and inner surface has trapezoidal annular groove；The bearing unit shell is trapezoidal iron block, and there is shoulder hole inside,
Both ends of the surface are rotating around being evenly equipped with six screwed holes around shoulder hole, the also uniform four other screwed holes in left side；The cooling
Copper pipe 58 is spiral copper pipe；The bearing block 60 is cylinder iron block, and there is shoulder hole inside, and both ends are around shoulder hole circumference uniform distribution
There is screwed hole；
Bearing block 60 is coordinated by the ring-shaped step of its endoporus with left side bearing 57；Bearing (ball) cover 62 passes through screw and bearing
Seat 60 is fastenedly connected, and the left end protruding circular ring of bearing (ball) cover 62 withstands the outer shroud of right side bearing 61, and pretension is carried out to bearing group；It is described
The bearing of loading unit 22 uses grease lubrication and water cooling, and water flows in cooling copper tube 58 to be cooled down to bearing.
Referring to accompanying drawing 9, the mobile platform includes guide supporting 6, guide rail 7, servomotor 8, shaft coupling housing 9, shaft coupling
Device 10, leading screw 14 and leading screw support 15；The servomotor 8 is fixed on the shaft coupling housing 9, the output shaft of servomotor 8
Connected by one end of shaft coupling 10 with leading screw 14, the other end of the leading screw 14 is arranged on the guide rail by leading screw support 15
In support 6, two parallel guide rails 7 are arranged in the guide supporting 6, and two guide rails 7 are arranged on 14 liang of the leading screw
Side is simultaneously parallel with the leading screw 14, the leading screw 14 and a feed screw nut formation screw pair, solid on the feed screw nut
Surely there is a sliding block, the sliding block and two guide rails 7 form prismatic pair, and the guide supporting 6 is fixed by a base support
On the support stand 2, the electro-hydraulic servo loading device is fixed on the sliding block.The thickness supported by changing base
The short transverse of mobile platform can be adjusted.The mobile platform is fixed on the left side of ground black iron 4 by T-bolt,
Its long side is parallel with the short side of ground black iron 4.
The electro-hydraulic servo loading device also includes retainer 12, hydraulic cylinder 51, servo valve 13, elastic load plate A16, watched
Clothes loading workbench 54, slide plate 50, force snesor 17 and displacement transducer 52；The lower surface of slide plate 50 is added by the servo
Carry workbench 54 to be fixed on the sliding block, the upper surface surrounding of slide plate 50 is provided with retainer 12, and centre is fixed with hydraulic pressure
Cylinder 51, piston rod one end of the hydraulic cylinder 51 are connected by oscillating bearing 11 and the slide plate 50, the other end and the elasticity
Load plate A16 end face connection, the other end of the elastic load plate A16 and the load bar 18 connect, and the power passes
Sensor 17 measures the loading force of the load bar 18, and institute's displacement sensors 52 measure the displacement that the load bar 18 stretches out, institute
Stating servo valve 13 controls the load bar 18 of the hydraulic cylinder 51 to act.Described slide plate 50 is a rectangle plate structure part, slide plate
50 upper plane is evenly equipped with two T-slots from left to right, and the uniform two rows screwed hole in centre of the lower plane of slide plate 50 is used for and watched
Clothes loading workbench 54 is threadedly coupled, the axis of rotation of screwed hole and the upper plane and lower plane of servo loading workbench 54
It is perpendicular.
Described hydraulic cylinder 51 selects single-piston rod or double-piston rod-type hydraulic jack, the longitudinally asymmetric axle of hydraulic cylinder 51
Line is in the longitudinally asymmetric face of retainer 12, the front end of the hydraulic cylinder 51 installation support of displacement transducer 52, when piston rod moves
The inner core of displacement transducer 52 is shifted along, and displacement transducer 52 just can measure the displacement of piston rod.
The elastic load plate A16 is identical with elastic load plate B26 structure, and the elastic load plate A16 includes left company
Fishplate bar, right connection board, two structure identical sleeves, two specification identical bolts and two specification identical nut compositions,
Wherein left connection board is identical with right connection board structure.Two specification identical bolt insertion left connection boards and right connection board both sides
In through hole, two structure identical sleeve sets finally pass through again on two bolts between left connection board and right connection board
Left connection board, right connection board and a structure identical sleeve are fixed together by two structure identical nuts.
Screwed hole in elastic load plate A16 right connection board is threadedly coupled with the left end of studs, studs
Right-hand member screw thread and load bar 18 are connected, and the screwed hole in left connection board is threadedly coupled with the piston rod right-hand member of hydraulic cylinder 51.Elasticity
Load plate A16 can absorb part exciting displacement and can transmit power.Elastic load plate A16 intrinsic frequency should be greater than exciting frequency
More than two times of rate.
The both sides of the preceding connecting plate of the elastic load plate B26 also have screwed hole, for axially loaded swing arm
32 and radial loaded arm 28 be threadedly coupled.Elastic load plate B26 can absorb part exciting displacement and can transmit power.Bullet
Property load plate B26 intrinsic frequency should be greater than excited frequency more than two times.
Referring to accompanying drawing 10, the knife-changing system part 68 includes manipulator 40, handle of a knife 41, handle of a knife support 42, tool changing transmission
Case 43, tool changing transmission box bracket 44 and tool-changing mechanical arm motor 45；The tool changing transmission case 43 is fixed on the tool changing transmission case
On support 44, the tool-changing mechanical arm motor 45 is fixed on the tool changing transmission case 43, and the handle of a knife 41 passes through handle of a knife support
42 are arranged on the upper end of tool changing transmission case 43, and the tool-changing mechanical arm motor 45 drives the manipulator 40 to rotate, the machine
Tool hand 40 and the handle of a knife 41, which coordinate, realizes tool changing, and the tool changing transmission box bracket 44 is arranged on the outside of main shaft support part,
Both ends are fixed on the support stand 2.
The tool changing transmission box bracket 44 is plate class connector, and four angles of its upper plate have bar hole and are used for changing
Knife transmission case 43 is threadedly coupled, and the both sides of tool changing transmission box bracket 44 are L-type weldment, and L-type side plate connects with upper plate screw thread
Connect, while the lower surface of L-type side plate is provided with two bar-shaped troughs and is used to be threadedly coupled with support stand 2.In the side of L-type side plate
There is a floor to improve its rigidity between ground.
Handle of a knife support 42 is a L-type welded plate, has a floor to improve its rigidity between its side plate and lower plate, side plate top is equal
Four screwed holes of even distribution, are threadedly coupled, the storage standard handle of a knife 41 in cutter position is stored up for the storage cutter position with standard.
Tool changer mechanical arm 40 is used as known technology, and concrete structure of tool magazine of manipulator 40 is not repeated at this.
The experimental rig also includes oil-air lubricating device 1, switch board 3 and the cooling device being fixed on support stand 2
5；The switch board 3 is controlled to whole experimental rig, and the oil-air lubricating device 1 and the cooling device 5 are to electro spindle
48 are lubricated and cool down.
The high-speed electric main shaft 48 of the present invention loads and tool changing experimental rig reliability load test operation principle：It is electric when carrying out
During 48 reliability load test of main shaft, testing stand is assembled and connected according to shown in figure one, first determine to want before experiment
The size of the dynamic static force of simulation, adjustment mobile platform makes electro-hydraulic servo loading device regulation arrive specified location, when hydraulic cylinder 51
After the load bar 18 of end is acted on elastic load plate B26, the power on hydraulic cylinder 51 is by elastic load plate B26 both sides point
Solution is loaded into the axial direction of loading unit 22 by swing arm 32 is axially loaded into two power, axial force, and radial load passes through radial loaded
After arm 28 transfers force to radial loaded swing arm, power is loaded into the radial direction of loading unit 22, come finally by upper industrial computer
Control, selected certain parameter is led to by Single port and the next controller of dynamometer machine 20, the controller of servo valve 13 in control interface
News, Dynamometer Control instrument control dynamometer machine 20 applies moment of torsion to the loading bar 47 rotated, while upper industrial computer gathers electro-hydraulic watch
The feedback signal of the force snesor 17 and displacement transducer 52 on loading device is taken, closed loop control is carried out to electro-hydraulic servo loading device
System, whole control process is to monitor in real time.
High-speed electric main shaft 48 of the present invention loads and tool changing experimental rig is carrying out reliability test to electro spindle 48
When, the cutting operating mode simulated as needed sets cutting force loading device.Set on interface loading force, vibration frequency,
Loaded contact analysis, load time, the loading parameters such as moment of torsion and machine spindle speed, after on-test, upper industrial computer control
The rotating speed of machine tool chief axis processed, while hydraulic loading system and torque loading system are controlled, after loading procedure terminates, servo valve 13 is controlled
Hydraulic loading system loading head processed is retracted, while stops torque loading system.
Referring to accompanying drawing 11, high-speed electric main shaft 48 of the invention loads and the tool changing experiment work principle of tool changing experimental rig
For：Dynamometer machine 20, loading bar 47, loading unit 22 in figure one are removed, changing loading bar 47 into standard handle of a knife 41 inserts electric master
In axle 48.Manipulator 40 is in holding state, is located to tool changing height during installation；Manipulator 40 is around its centrosymmetric structure
Symmetrical centre turn clockwise tool changing angle γ, be in manipulator 40 and grab knife-like state, now, a claw of manipulator 40
The handle of a knife 41 in cutter spacing is stored is caught, another claw catches the handle of a knife 41 in electro spindle 48；Afterwards, manipulator 40 is vertical
Move down and drawn sword, drive the handle of a knife 41 in storage in place to extract, drive handle of a knife 41 and its institute's band in electro spindle 48
Cutter extracted from electro spindle 48；Afterwards, manipulator 40 around its centrosymmetric structure symmetrical centre dextrorotation turnback,
The Tool changeover position of two handle of a knifes 41 and its institute's band；Afterwards, manipulator 40 is mobile vertically upward carries out slotting tool, drives a card
The cutter insertion electro spindle 48 of handle of a knife 41 and its institute's band in pawl, drive the cutter of the handle of a knife 41 and its institute's band in another claw
Broach shell in insertion storage cutter spacing.After tool changing manipulator 40 around its centrosymmetric structure symmetrical centre rotate counterclockwise γ,
Manipulator 40 is in tool changing of holding state action and completed.
Claims (10)
1. high-speed electric main shaft loads and tool changing experimental rig, including ground black iron (4), it is characterised in that also including support stand
(2), main shaft support part, main-shaft torque loading section (67), single hydraulic cylinder Bidirectional cutting power loading section and knife-changing system portion
Divide (68)；
The support stand (2) is fixed on described ground black iron (4), the main shaft support part and the main-shaft torque loading unit
(67) are divided to be fixed on vertically on the support stand (2), the main-shaft torque loading section (67) and the main shaft support part
Electro spindle (48) connection realize that moment of torsion loads, electro spindle (48) vertical direction is set, the single hydraulic cylinder Bidirectional cutting
Power loading section is fixed on described ground black iron (4), acts on the loading unit (22) of the main-shaft torque loading section (67)
On, realize that Bidirectional cutting power loads, the knife-changing system part (68) is fixed on the support stand (2)；
The single hydraulic cylinder Bidirectional cutting power loading section include cutting force loading section (65) and two to load box portion
(66)；The cutting force loading section (65) includes electro-hydraulic servo loading device and mobile platform, and the mobile platform is fixed on
On described ground black iron (4), the electro-hydraulic servo loading device is fixed on the mobile platform, the mobile side of the mobile platform
It is vertical to the loading direction of the power with the electro-hydraulic servo loading device；
Described two include two to load maintainer housing (38), rotary unit support (39), two rotations to loading box portion (66)
Turn unit (25), elastic load plate B (26), radial loaded arm (28), radial loaded arm support (29), axially loaded swing arm (32)
With radial loaded swing arm；Rotary unit support (39) is fixed on described two on load maintainer housing (38), described axially loaded
Swing arm (32) and radial loaded swing arm are arranged on rotary unit support (39) and two by a rotary unit (25) respectively
To between load maintainer housing (38), the radial loaded arm support (29) is fixed on described two under load maintainer housing (38)
End face, radial loaded arm (28) lower end support (29) to be fixedly connected with the radial loaded arm, and upper end and the radial direction add
Carry the end thereof contacts of swing arm, the radial loaded head of the other end of the radial loaded swing arm and the main-shaft torque loading section
(67) loading unit (22) contact, and perpendicular acting is on loading unit (22), one end of the elastic load plate B (26) and
The axially loaded swing arm (32) is fixedly connected, and the other end and the radial loaded arm (28) are close to radial loaded arm support (29)
One end be fixedly connected, the other end of the axially loaded swing arm (32) passes through axially loaded claw (30) and main-shaft torque loads
Partly loading unit (22) contact of (67)；
Load bar (18) perpendicular acting in the cutting force loading section (65) in electro-hydraulic servo loading device described two to
On the elastic load plate B (26) for loading box portion (66).
2. high-speed electric main shaft loading according to claim 1 and tool changing experimental rig, it is characterised in that the main shaft support
Part also includes embracing clamping structure (23), electro spindle base (24) and base support block (49)；
The electro spindle (48), which is fixed on, embraces on clamping structure (23), and both ends are stretched out, described armful of clamping structure (23) and the electro spindle
(48) a parallel side wall is fixed on the electro spindle base (24), and the electro spindle base (24) is fixed on the base branch
On bracer (49), the base support block (49) is fixed on the support stand (2).
3. high-speed electric main shaft loading according to claim 1 or 2 and tool changing experimental rig, it is characterised in that the main shaft
Moment of torsion loading section (67) also includes flexible sheet shaft coupling (21), dynamometer machine (20), S types pull pressure sensor (46), loading
Rod (47) and dynamometer machine pedestal (19)；
One end of the loading bar (47) is loaded on the scroll chuck of the electro spindle (48), and the other end passes through the elastic membrane
The output axis connection of piece shaft coupling (21) and the dynamometer machine (20), the electro spindle (48), loading bar (47) and dynamometer machine
(20) output shaft is coaxial, and the dynamometer machine (20) is fixed on the support stand (2) by the dynamometer machine pedestal (19),
Described S types pull pressure sensor (46) one end is fixed on the dynamometer machine (20), and the other end is fixed on the dynamometer machine pedestal
(19) on, the loading bar (47) is multi-diameter shaft.
4. high-speed electric main shaft loading according to claim 3 and tool changing experimental rig, it is characterised in that the loading unit
(22) the dust-proof end cap in left side (55), loading unit shell (56), cooling copper tube (58), bearing block (60), left side bearing are included
(57), sleeve (59), right side bearing (61), bearing (ball) cover (62), the dust-proof end cap in right side (63) and sealing ring (64)；
The left side bearing (57), sleeve (59) and right side bearing (61) side are arranged on the loading bar (47), the left side
Side bearing (57) and right side bearing (61) are interference fitted with loading bar (47), right side bearing (61) inner ring and the loading bar
(47) shaft shoulder contact positioning, is adopted between the left side bearing (57) and the outer shroud and the bearing block (60) of right side bearing (61)
Coordinated with interference fits or gap, the bearing (ball) cover (62) and the bearing block (60) one end are fastenedly connected, bearing (ball) cover
(62) inner side and right side bearing (61) inner ring contact, the cooling copper tube (58) are enclosed on the outside cylinder of the bearing block (60)
On face, the loading unit shell (56) is enclosed in the cooling copper tube (58), and loading unit shell (56) is close to left side bearing
(57) one end is fixedly connected with the bearing block (60), the dust-proof end cap in left side (55) and the dust-proof end cap in right side (63) respectively and
The loading unit shell (56) is fastenedly connected, the dust-proof end cap in left side (55) and the dust-proof end cap in right side (63) and loading bar
(47) contact position is provided with sealing ring (64).
5. high-speed electric main shaft loading according to claim 1 and tool changing experimental rig, it is characterised in that the mobile platform
Including guide supporting (6), guide rail (7), servomotor (8), shaft coupling housing (9), shaft coupling (10), leading screw (14) and leading screw branch
Support (15)；
On the fixed shaft coupling housing (9) of the servomotor (8), the output shaft of servomotor (8) passes through shaft coupling (10)
Connected with one end of leading screw (14), the other end of the leading screw (14) supports (15) to be arranged on the guide supporting by leading screw
(6) on, two parallel guide rails (7) are arranged in the guide supporting (6), and two guide rails (7) are arranged on the leading screw
(14) both sides and, the leading screw (14) and a feed screw nut formation screw pair parallel with the leading screw (14), the silk
A sliding block is fixed with thick stick nut, the sliding block and two guide rails (7) form prismatic pair, and the guide supporting (6) passes through one
Individual base is supported and fixed on the support stand (2), and the electro-hydraulic servo loading device is fixed on the sliding block.
6. high-speed electric main shaft loading according to claim 5 and tool changing experimental rig, it is characterised in that the electro-hydraulic servo
Loading device also includes retainer (12), hydraulic cylinder (51), servo valve (13), elastic load plate A (16), servo loading workbench
(53), slide plate (50), force snesor (17) and displacement transducer (52)；
Slide plate (50) lower surface is fixed on the sliding block by the servo loading workbench (53), the slide plate (50)
Upper surface surrounding is provided with retainer (12), and centre is fixed with hydraulic cylinder (51), and piston rod one end of the hydraulic cylinder (51) leads to
Oscillating bearing (11) and the slide plate (50) connection are crossed, the other end connects with the end face of the elastic load plate A (16), described
The other end of elastic load plate A (16) and the load bar (18) connection, the force snesor (17) measure the load bar
(18) loading force, institute's displacement sensors (52) measure the displacement that the load bar (18) is stretched out, servo valve (13) control
Make load bar (18) action of the hydraulic cylinder (51).
7. high-speed electric main shaft loading according to claim 6 and tool changing experimental rig, it is characterised in that the elasticity loading
Plate A (16) is identical with the structure of elastic load plate B (26), the elastic load plate A (16) include left connection board, right connection board and
Two sleeves；The left connection board and right connection board are oppositely arranged, and left connection board and right connection board both ends are connected by two bolts
Connect, two sleeves are arranged between left connection board and right connection board, and two sleeves are enclosed on described two bolts.
8. high-speed electric main shaft loading according to claim 1 and tool changing experimental rig, it is characterised in that the rotary unit
(25) swing arm bearing (34), thrust bearing (35), arm shaft (36) and swing arm locking nut (37) are included；
The swing arm bearing (34) and the thrust bearing (35) are successively set on the arm shaft (36), axially loaded swing arm
(32) or radial loaded swing arm and the swing arm bearing (34) cooperation, described arm shaft (36) one end and the rotary unit support
(39) it is threadedly coupled, and is locked by the swing arm locking nut (37), the other end and described two is to load maintainer housing (38)
Connection, and it is provided with loading end cap.
9. high-speed electric main shaft loading according to claim 1 and tool changing experimental rig, it is characterised in that the knife-changing system
Partly (68) include manipulator (40), handle of a knife (41), handle of a knife support (42), tool changing transmission case (43), tool changing transmission box bracket
And tool-changing mechanical arm motor (45) (44)；The tool changing transmission case (43) is fixed on the tool changing transmission box bracket (44), institute
State tool-changing mechanical arm motor (45) to be fixed on the tool changing transmission case (43), the handle of a knife (41) is set by handle of a knife support (42)
Put in tool changing transmission case (43) upper end, the tool-changing mechanical arm motor (45) drives the manipulator (40) to rotate, described
Manipulator (40) and the handle of a knife (41), which coordinate, realizes tool changing, and the tool changing transmission box bracket (44) is arranged on main shaft support part
Outside, both ends are fixed on the support stand (2).
10. high-speed electric main shaft loading according to claim 1 and tool changing experimental rig, it is characterised in that the experiment dress
Put oil-air lubricating device (1), switch board (3) and the cooling device (5) for also including being fixed on support stand (2)；The control
Cabinet (3) is controlled to whole experimental rig, and the oil-air lubricating device (1) and the cooling device (5) are to electro spindle (48)
It is lubricated and cools down.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048122.7A CN105547685B (en) | 2016-01-25 | 2016-01-25 | High-speed electric main shaft loads and tool changing experimental rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048122.7A CN105547685B (en) | 2016-01-25 | 2016-01-25 | High-speed electric main shaft loads and tool changing experimental rig |
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| CN105547685B true CN105547685B (en) | 2018-02-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106908237B (en) * | 2017-04-20 | 2023-05-23 | 吉林大学 | Reliability test device for machine tool spindle broach mechanism |
| CN108692896B (en) * | 2018-05-07 | 2019-05-07 | 北京科技大学 | A kind of non-contact air film loading device suitable for high-speed main spindle rigidity test |
| CN109100135B (en) * | 2018-09-21 | 2020-03-24 | 哈尔滨理工大学 | Test bench for measuring comprehensive performance of high-speed electric spindle |
| CN110455521B (en) * | 2019-09-11 | 2024-03-08 | 吉林大学 | Processing center main shaft blind rivet and disc spring reliability test device |
| CN110631817A (en) * | 2019-10-11 | 2019-12-31 | 吉林大学 | Replaceable broach mechanism reliability test device and test method |
| CN110779752B (en) * | 2019-12-10 | 2024-05-03 | 吉林大学 | Multi-sample honing machine reliability experiment device applicable to various materials |
| CN111307434B (en) * | 2020-03-07 | 2021-10-12 | 芜湖清川电气有限公司 | Batch detection testing machine and detection method for servo motor after production and assembly |
| CN111397871B (en) * | 2020-03-09 | 2021-11-30 | 西南交通大学 | Multichannel service performance test bed for rotating arm node of railway vehicle |
| CN114720099B (en) * | 2021-12-02 | 2023-01-31 | 中国农业大学 | Full-working-condition single-rod loaded electric spindle reliability test device |
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| CN102426097B (en) * | 2011-08-09 | 2013-10-30 | 吉林大学 | Dynamic loading device for high-speed motorized spindle |
| CN102384844B (en) * | 2011-10-17 | 2013-06-19 | 吉林大学 | Reliability test device of machine tool spindle dynamically loaded by electromagnet and dynamometer in combined manner |
| CN202757758U (en) * | 2012-07-02 | 2013-02-27 | 常州市欧浦达精密机械有限公司 | Test platform for electric spindle tester |
| CN104006957B (en) * | 2014-06-17 | 2016-06-08 | 吉林大学 | The electro spindle reliability test bench of contact mix-loaded |
| CN104155091B (en) * | 2014-08-15 | 2016-08-24 | 西安交通大学 | The simulation cutter structure of test is loaded for electro spindle sound rigidity non-contact electromagnetic |
| CN105067234B (en) * | 2015-07-17 | 2018-02-06 | 安阳工学院 | High-speed electric main shaft synthesis experiment platform and experimental method |
| CN205352685U (en) * | 2016-01-25 | 2016-06-29 | 吉林大学 | High -speed electric main shaft loading and tool changing test device |
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