CN105547685A - High-speed motorized spindle loading and knife replacing test device - Google Patents

High-speed motorized spindle loading and knife replacing test device Download PDF

Info

Publication number
CN105547685A
CN105547685A CN201610048122.7A CN201610048122A CN105547685A CN 105547685 A CN105547685 A CN 105547685A CN 201610048122 A CN201610048122 A CN 201610048122A CN 105547685 A CN105547685 A CN 105547685A
Authority
CN
China
Prior art keywords
loading
fixed
bearing
main shaft
tool changing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610048122.7A
Other languages
Chinese (zh)
Other versions
CN105547685B (en
Inventor
陈菲
赵星汉
杨兆军
李全
刘国飞
朱明民
李圳
谢群亚
王剑
陈晓娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin University
Original Assignee
Jilin University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jilin University filed Critical Jilin University
Priority to CN201610048122.7A priority Critical patent/CN105547685B/en
Publication of CN105547685A publication Critical patent/CN105547685A/en
Application granted granted Critical
Publication of CN105547685B publication Critical patent/CN105547685B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

The invention discloses a high-speed motorized spindle loading and knife replacing test device, belongs to the technical field of mechanical testing, and aims at solving problems that the number of functions in the prior art is small, the price is high and a real installation environment cannot be simulated. The device comprises a horizontal iron, a supporting rack, a main shaft supporting part, a main shaft torque loading part, a single-hydraulic-cylinder bidirectional cutting force loading part, and a knife replacing system part. The supporting rack is fixed on the horizontal iron, and the main shaft supporting part and the main shaft torque loading part are vertically fixed on the supporting rack. The main shaft torque loading part is connected with a motorized spindle of the main shaft supporting part, thereby achieving the torque loading. The motorized spindle is arranged vertically, and the single-hydraulic-cylinder bidirectional cutting force loading part is fixed on the horizontal iron, and acts on a loading unit of the main shaft torque loading part, thereby achieving the bidirectional cutting force loading. The knife replacing system part is fixed on the supporting rack.

Description

High-speed electric main shaft loads and tool changing test unit
Technical field
The invention belongs to mechanical test technical field, be specifically related to a kind of high-speed electric main shaft and load and tool changing test unit.
Background technology
Numerically-controlled machine, as industrial machine tool, is the important foundation stone of modernization of industry development, and the development of its reliability becomes the key common technology of restriction industry development already.The one of the main reasons that domestic numerical control lathe reliability level is on the low side is that the reliability level of its key feature is lower, therefore studies numerically-controlled machine key feature reliability test and has important practical significance.Electro spindle is as one of the key feature of numerically-controlled machine, and the reliability level of reliability level on complete machine of himself has important impact.
In actual condition, electro spindle, except completing except cut, also needs to carry out loose broaching tool and tool changing work, in prior art, in electro spindle reliability test system, there is multiple analog moment of torsion and cutting force load test, function singleness and imperfection.
For electro spindle loading aspect, mode is generally divided into contact to load and contactless loading, adopts contactless electromagnetism loading can produce electromagnetic interference (EMI) to main shaft.Current electro-hydraulic loading technical perfection, but Problems existing is, for both direction loading and axial force and radial force simulation loading two cover Based on Electro-hydraulic Loading Servo Systems, expensive; In addition, electro spindle mostly is horizontal installation, but in real process, the electro spindle of vertical installation is more, and installation environment that is virtually reality like reality is failed in horizontal installation, and the inconvenient testing crew operation of horizontal installation.
Summary of the invention
The object of the invention is to propose a kind of high-speed electric main shaft load and tool changing test unit, solve function singleness that prior art exists, expensive and fail the problem of installation environment that is virtually reality like reality.
For achieving the above object, high-speed electric main shaft loading of the present invention and tool changing test unit comprise 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;
Described support stand is fixed on described ground black iron, described main shaft support part and described main-shaft torque loading section are vertically fixed on described support stand, described main-shaft torque loading section is connected with the electro spindle of described main shaft support part and realizes moment of torsion and load, described electro spindle vertical direction is arranged, described single hydraulic cylinder Bidirectional cutting power loading section is fixed on described ground black iron, act on described main-shaft torque loading section and realize the loading of Bidirectional cutting power, described knife-changing system partial fixing is on described support stand;
Described single hydraulic cylinder Bidirectional cutting power loading section comprises cutting force loading section and two to loading casing part; Described cutting force loading section comprises electro-hydraulic servo loading device and mobile platform, described mobile platform is fixed on described ground black iron, described electro-hydraulic servo loading device is fixed on described mobile platform, and the moving direction of described mobile platform is vertical with the loading direction of the power of described electro-hydraulic servo loading device;
Described two to divide to loading chest portion comprise two to load maintainer housing, rotary unit supports, two rotary units, elasticity load plate B, radial loaded arm, radial loaded arms support, axially load swing arm and radial loaded swing arms, rotary unit is supported and fixed on described two on load maintainer housing, describedly axially load swing arm and radial loaded swing arm and be arranged on rotary unit respectively by a described rotary unit and support and two between load maintainer housing, described radial loaded arm is supported and fixed on described two to load maintainer housing lower surface, described radial loaded arm lower end supports with described radial loaded arm and is fixedly connected with, the end thereof contacts of upper end and described radial loaded swing arm, the radial loaded head of the other end of described radial loaded swing arm contacts with the loading unit of described main-shaft torque loading section, and vertically act on loading unit, one end of described elasticity load plate B is fixedly connected with described axially loading swing arm, one end that the other end supports with the nearly radial loaded arm of described radial loaded arm rest is fixedly connected with, the described other end axially loading swing arm contacts with the loading unit of main-shaft torque loading section by axially loading claw,
Load bar in described cutting force loading section in electro-hydraulic servo loading device vertically acts on described two on the elasticity load plate B loading casing part.
Described main shaft support part also comprises embraces clamping structure, electro spindle base and base back-up block; Described electro spindle is fixed on to be embraced on clamping structure, two ends are stretched out, described armful of clamping structure sidewall parallel with described electro spindle is fixed on described electro spindle base, and described electro spindle base is fixed on described base back-up block, and described base back-up block is fixed on described support stand.
Described main-shaft torque loading section also comprises flexible sheet shaft coupling, dynamometer machine, S type pull pressure sensor, loading bar and dynamometer machine pedestal; One end of described loading bar is installed on the scroll chuck of described electro spindle, the other end is connected with the output shaft of described dynamometer machine by described flexible sheet shaft coupling, the output shaft of described electro spindle, loading bar and dynamometer machine is coaxial, described dynamometer machine is fixed on described support stand by described dynamometer machine pedestal, described S type pull pressure sensor one end is fixed on described dynamometer machine, the other end is fixed on described dynamometer machine pedestal, and described loading bar is multidiameter.
Described loading unit comprises left side dust-proof end cap, loading unit shell, cooling copper tube, bearing seat, left side bearing, sleeve, right side bearing, bearing (ball) cover, the dust-proof end cap in right side and O-ring seal, described left side bearing, sleeve and bearing side, right side are arranged on described loading bar, described left side bearing and right side bearing and loading bar interference fit, described right side bearing inner ring contacts location with the shaft shoulder of described loading bar, transition fit or clearance fit is adopted between the outer shroud of described left side bearing and right side bearing and described bearing seat, described bearing (ball) cover and described bearing seat one end are fastenedly connected, contact with described right side bearing inner ring inside bearing (ball) cover, described cooling copper tube is enclosed within the external cylindrical surface of described bearing seat, described loading unit casing is in described cooling copper tube, loading unit shell is fixedly connected with described bearing seat near bearing one end, left side, the dust-proof end cap of the dust-proof end cap in described left side and right side is fastenedly connected with described loading unit shell respectively, the dust-proof end cap of the dust-proof end cap in described left side and right side and loading bar contact position are provided with O-ring seal.
Described mobile platform comprises guide supporting, guide rail, servomotor, shaft coupling housing, shaft coupling, leading screw and leading screw and supports, described servomotor is fixed on described shaft coupling housing, the output shaft of servomotor is connected with one end of leading screw by shaft coupling, the other end of described leading screw is supported by leading screw and is arranged in described guide supporting, two parallel guide rails are arranged in described guide supporting, two described guide rails are arranged on described leading screw both sides and parallel with described leading screw, described leading screw and a feed screw nut form screw pair, described feed screw nut is fixed with a slide block, described slide block and two guide rails form moving sets, described guide supporting is supported and fixed on described support stand by a base, described electro-hydraulic servo loading device is fixed on described slide block.
Described electro-hydraulic servo loading device also comprises retainer, hydraulic cylinder, servo-valve, elasticity load plate A, servo loading worktable, slide plate, force snesor and displacement transducer; Described slide plate lower surface is fixed on described slide block by described servo loading worktable, described slide plate upper surface surrounding is provided with retainer, centre is fixed with hydraulic cylinder, piston rod one end of described hydraulic cylinder is connected with described slide plate by oscillating bearing, the other end is connected with an end face of described elasticity load plate A, the other end of described elasticity load plate A is connected with described load bar, the loading force of load bar described in described force sensor measuring, the displacement that described in described displacement sensor, load bar stretches out, the load bar action of hydraulic cylinder described in described servo valve control.
Described elasticity load plate A is identical with the structure of elasticity load plate B, and described elasticity load plate A comprises left web joint, right web joint and two sleeves; Described left web joint and right web joint are oppositely arranged, and left web joint is connected by two bolts with right web joint two ends, and two sleeves are arranged between left web joint and right web joint, and two jacket casings are on described two bolts.
Described rotary unit comprises swing arm bearing, thrust bearing, arm shaft and swing arm set nut; Described swing arm bearing and described thrust bearing are successively set on described arm shaft, axially load swing arm or radial loaded swing arm and described swing arm bearing fit, described arm shaft one end and described rotary unit support and are threaded, and by described swing arm set nut locking, the other end is connected to load maintainer housing with described two, and is provided with loading end cap.
Described knife-changing system part comprises mechanical arm, handle of a knife, handle of a knife support, tool changing transmission case, tool changing transmission case support and tool-changing mechanical arm motor; Described tool changing transmission case is fixed on described tool changing transmission case support, described tool-changing mechanical arm motor is fixed on described tool changing transmission case, described handle of a knife passes through handle of a knife Bracket setting in described tool changing transmission case upper end, mechanical arm described in described tool-changing mechanical arm driven by motor rotates, described mechanical arm and the cooperation of described handle of a knife realize tool changing, described tool changing transmission case Bracket setting is in the outside of main shaft support part, and two ends are fixed on described support stand.
Described test unit also comprises the oil-air lubricating device be fixed on support stand, switch board and cooling device; Described switch board controls whole test unit, and described oil-air lubricating device and described cooling device carry out lubrication and cooling to electro spindle.
Beneficial effect of the present invention is:
1, high-speed electric main shaft of the present invention loads and tool changing test unit adopts a set of single hydraulic cylinder Bidirectional cutting power loading section to complete two of electro spindle axial force and radial force to loading, reduce manufacturing cost, utilize dynamometer machine to carry out moment of torsion loading to loading bar, the cutting force that analog electrical main shaft is suffered in true processing work process and the cutting moment of torque simultaneously.By carrying out the fail-test of Reality simulation operating mode to tested machine tool chief axis, to excite, the fault of exposing product, for the reliability growth of product and assessment provide practical basic data;
2, high-speed electric main shaft loading of the present invention and tool changing test unit utilize a set of single hydraulic cylinder Bidirectional cutting power loading section to realize dynamic and static loading; Cutting force amplitude and loading frequency, the unit head cutting moment of torque are according to dynamically adjustable under different operating mode;
3, high-speed electric main shaft loading of the present invention and tool changing test unit have employed dismountable dynamometer machine worktable, can depart from, make testing table easy accessibility, be convenient to the electro spindle changing various model to dynamometer machine and loading bar;
4, high-speed electric main shaft loading of the present invention and tool changing test unit can complete fail-test and tool changing test simultaneously, function diversification;
5, high-speed electric main shaft of the present invention load and tool changing test unit by vertical for electro spindle installation, more realistic main shaft mounting means, can processing environment that is virtually reality like reality, meets ergonomics, more convenient operation simultaneously.
Accompanying drawing explanation
Fig. 1 is that high-speed electric main shaft of the present invention loads and tool changing test unit one-piece construction schematic diagram;
Fig. 2 be high-speed electric main shaft of the present invention load and in tool changing test unit two to loading chest portion separation structure schematic diagram;
Fig. 3 be high-speed electric main shaft of the present invention load and in tool changing test unit two to loading chest portion separation structure shell schematic diagram;
Fig. 4 is that high-speed electric main shaft of the present invention loads and rotary unit structural representation in tool changing test unit;
Fig. 5 is that high-speed electric main shaft of the present invention loads and radial loaded swing arm structure schematic diagram in tool changing test unit;
Fig. 6 is that high-speed electric main shaft of the present invention loads and radial loading arm supporting construction schematic diagram in tool changing test unit;
Fig. 7 is that high-speed electric main shaft of the present invention loads and main shaft support part and main-shaft torque loading section structural scheme of mechanism in tool changing test unit;
Fig. 8 is that high-speed electric main shaft of the present invention loads and loading unit structural representation in tool changing test unit;
Fig. 9 is that high-speed electric main shaft of the present invention loads and cutting force loading section structural representation in tool changing test unit;
Figure 10 is that high-speed electric main shaft of the present invention loads and knife-changing system part-structure schematic diagram in tool changing test unit;
Figure 11 is the tool changing schematic diagram of high-speed electric main shaft of the present invention loading and tool changing test unit;
Wherein: 1, oil-air lubricating device, 2, support stand, 3, switch board, 4, ground black iron, 5, cooling device, 6, guide supporting, 7, guide rail, 8, servomotor, 9, shaft coupling housing, 10, shaft coupling, 11, oscillating bearing, 12, retainer, 13, servo-valve, 14, leading screw, 15, leading screw supports, and 16, elasticity load plate A, 17, force snesor, 18, load bar, 19, dynamometer machine pedestal, 20, dynamometer machine, 21, flexible sheet shaft coupling, 22, loading unit, 23, embrace clamping structure, 24, electro spindle base, 25, rotary unit, 26, elasticity load plate B, 27, radial loaded end cap, 28, radial loaded arm, 29, radial loaded arm supports, and 30, axially load claw, 31, axially load end cap, 32, axially load swing arm, 33, back-up ring, 34, swing arm bearing, 35, thrust bearing, 36, arm shaft, 37, swing arm set nut, 38, two to load maintainer housing, and 39, rotary unit supports, and 40, mechanical arm, 41, handle of a knife, 42, handle of a knife support, 43, tool changing transmission case, 44, tool changing transmission case support, 45, tool-changing mechanical arm motor, 46, S type pull pressure sensor, 47, loading bar, 48, electro spindle, 49, base back-up block, 50, slide plate, 51, hydraulic cylinder, 52, displacement transducer, 54, servo loading worktable, 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 seat, 61, right side bearing, 62, bearing (ball) cover, 63, the dust-proof end cap in right side, 64, O-ring seal, 65, cutting force loading section, 66, two to loading casing part, and 67, main-shaft torque loading section, 68, knife-changing system part.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are described further.
See accompanying drawing 1, high-speed electric main shaft of the present invention loads and tool changing test unit comprises 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;
Described support stand 2 is fixed on described ground black iron 4, described main shaft support part and described main-shaft torque loading section 67 are vertically fixed on described support stand 2, described main-shaft torque loading section 67 is connected with the electro spindle 48 of described main shaft support part and realizes moment of torsion and load, described electro spindle 48 vertical direction is arranged, described single hydraulic cylinder Bidirectional cutting power loading section is fixed on described ground black iron 4, act on the loading unit 22 of described main-shaft torque loading section 67, realize Bidirectional cutting power to load, described knife-changing system part 68 is fixed on described support stand 2,
Described single hydraulic cylinder Bidirectional cutting power loading section comprises cutting force loading section 65 and two to loading casing part 66; Described cutting force loading section 65 comprises electro-hydraulic servo loading device and mobile platform, described mobile platform is fixed on described ground black iron 4, described electro-hydraulic servo loading device is fixed on described mobile platform, and the moving direction of described mobile platform is vertical with the loading direction of the power of described electro-hydraulic servo loading device;
See accompanying drawing 2 and accompanying drawing 3, described two comprise two to loading casing part 66 supports 39, two rotary units 25, elasticity load plate B26, radial loaded arm 28, radial loaded arm support 29 to load maintainer housing 38, rotary unit, axially loads swing arm 32 and radial loaded swing arm;
See accompanying drawing 4, described rotary unit 25 comprises swing arm bearing 34, thrust bearing 35, arm shaft 36 and swing arm set nut 37; Described swing arm bearing 34 and described thrust bearing 35 are successively set on described arm shaft 36, axially load swing arm 32 or radial loaded swing arm and described swing arm bearing 34 to coordinate, described arm shaft 36 one end and described rotary unit support 39 and are threaded, and locked by described swing arm set nut 37, the other end is connected to load maintainer housing 38 with described two, and is provided with loading end cap.
To be axially loaded as example, axially loading claw 30 is half rounded convex with loading unit 22 contact portion, arm shaft 36 and rotary unit support 39 and are threaded connection, prevent from loosening by arm shaft 36 set nut locking arm shaft 36, axially load swing arm 32 and axially load claw 30 and be threaded connection, axially load swing arm 32 to match with the swing arm bearing 34 of band stop collar, swing arm bearing 34 upper end dress thrust bearing 35, loading end cap is utilized to carry out pretension to swing arm bearing 34 and thrust bearing 35, axially load end cap 31 and two to carry out bolt to the left side of load maintainer housing 38 and be connected, and be provided with back-up ring 33.
See accompanying drawing 5, described radial loaded swing arm is one board-like, and there is a circular hole middle for being connected with swing arm bearing 34, is welded with a column loading head in one end of radial loaded swing arm.
Describedly axially load swing arm 32 and be also one board-like, there is a circular hole middle for being connected with swing arm bearing 34, have in the one end axially loading swing arm 32 two threaded holes for axially load claw 30 and be threaded.
See accompanying drawing 6, it is a rectangular slab class formation part that described radial loaded arm supports 29, and the rectangular base plate both sides of radial loaded arm support 29 are had three rectangle elongated pores and are connected with ground black iron 4 with T-nut by bolt.Three pieces of floors become I-shaped support structure welding in rectangular base plate, and middle floor is connected with radial loaded arm 28 by bearing pin.
Described radial loaded arm 28 is a plate class weldment, and front end is an iron hoop for being connected with the bearing pin that radial loaded arm supports 29, welding one rectangular parallelepiped plate on it.
Load bar 18 in described cutting force loading section 65 in electro-hydraulic servo loading device vertically acts on described two on the elasticity load plate B26 loading casing part 66.
Described two is a semi-open type plate class connect box structure to load maintainer housing 38, its upper plate is a rectangular slab class formation part, a rectangular opening is had at the left-side center of plate, the right center of plate is evenly equipped with four threaded holes, a center hole is had in the middle of four threaded holes, for being threaded with radial loaded end cap 27, the surrounding of plate four threaded holes that distribute are threaded for casing Lower Half.
Described two is a rectangular slab class formation to the left surface of load maintainer housing 38, and its upper surface has two threaded holes for being threaded with upper plate, its medial surface have four threaded holes for two to the rear SCCP connection-oriented of load maintainer housing 3838.Its right flank has been evenly equipped with four threaded hole, has a center hole in the middle of four threaded holes, for axially load end cap 31 and be threaded.
Also be a notch cuttype plate parts after two described load maintainer housings, surperficial branch two threaded holes are used for being threaded with upper surface thereon, uniform four threaded holes in its side are threaded to the left surface loading casing with two, simultaneously, be uniform four threaded holes of L-type in the upper right portion in its front, for being threaded with radial rotating shaft support.
It is a plate class web member that rotary unit supports 39, its upper plate is a rectangular slab class formation part, be used for and two being threaded below to load maintainer housing 38 at uniform four threaded holes below of plate, the front end face that uniform four threaded holes are used for supporting 39 with rotary unit before plate is threaded, the right flank being used for supporting with rotary unit 39 at uniform four threaded holes of the right flank of plate is threaded, its upper surface has been evenly equipped with four threaded hole, a center hole is had, for being threaded with arm shaft 36 in the middle of four threaded holes.The left surface of radial rotating shaft support is a rectangle plate parts, its upper surface, former and later two side surfaces all distribute four threaded holes, its upper surface has been evenly equipped with four threaded hole, a center hole is had in the middle of four threaded holes, for being also a rectangle plate parts with arm shaft 36 carry out the being threaded front surface of radial rotating shaft support, the top in its front and the left side be the both sides of L-type respectively distribute four threaded holes for being threaded with right flank above of radial rotating shaft support.Two load maintainer housing lower plate both sides are had three rectangle elongated pores and are connected with ground black iron 4 with T-nut by bolt.
Rotary unit supports 39 and is fixed on described two on load maintainer housing 38, describedly axially load swing arm 32 and radial loaded swing arm and be arranged on rotary unit respectively by a described rotary unit 25 and support 39 and two between load maintainer housing 38, described radial loaded arm supports 29 and is fixed on described two to load maintainer housing 38 lower surface, described radial loaded arm 28 lower end and described radial loaded arm support 29 and are fixedly connected with, the end thereof contacts of upper end and described radial loaded swing arm, the radial loaded head of the other end of described radial loaded swing arm contacts with the loading unit 22 of described main-shaft torque loading section 67, and vertically act on loading unit 22, one end of described elasticity load plate B26 is fixedly connected with described axially loading swing arm 32, one end that the other end supports 29 with described radial loaded arm 28 near radial loaded arm is fixedly connected with, the described other end axially loading swing arm 32 contacts with the loading unit 22 of main-shaft torque loading section 67 by axially loading claw 30.
See accompanying drawing 7, described main shaft support part also comprises embraces clamping structure 23, electro spindle base 24 and base back-up block 49; Described electro spindle 48 is bolted on to be embraced on clamping structure 23, two ends are stretched out, described armful of clamping structure 23 sidewall parallel with described electro spindle 48 is fixed on described electro spindle base 24, described electro spindle base 24 is fixed on described base back-up block 49 by bolt and T-nut, and described base back-up block 49 is fixed in the middle part of described support stand 2.Can be adjusted electro spindle 48 length direction by armful clamping structure 23 and electro spindle base 24, can be adjusted the short transverse of electro spindle 48 by the thickness changing base back-up block 49, thus realize the adjustment of the right alignment of electro spindle 48 and dynamometer machine 20, embracing clamping structure 23 is fixed on electro spindle base 24 by bolt and T-nut, the major axes orientation of electro spindle 48 is downward, its central axis is parallel with the front surface of support stand 2, perpendicular to ground black iron 4.Described armful of clamping structure 23 plays the effect of fixing electro spindle for the shell structure of encircling outside described electro spindle 48.
Described main-shaft torque loading section 67 also comprises flexible sheet shaft coupling 21, dynamometer machine 20, S type pull pressure sensor 46, loading bar 47 and dynamometer machine pedestal 19, one end of described loading bar 47 is installed on the scroll chuck of described electro spindle 48, the other end is connected with the output shaft of described dynamometer machine 20 by described flexible sheet shaft coupling 21, described electro spindle 48, the output shaft of loading bar 47 and dynamometer machine 20 is coaxial, described dynamometer machine 20 is fixed on described support stand 2 by described dynamometer machine pedestal 19, described S type pull pressure sensor 46 one end is fixed on described dynamometer machine 20, the other end is fixed on described dynamometer machine pedestal 19, described loading bar 47 is multidiameters, loading bar 47 small end has the round end A type keyway along its axisymmetrical.
Described dynamometer machine pedestal 19 is square box structures, and corner place is distributed with a through hole respectively, is fixed on ground black iron 4 by screw bolt and nut.
Loading bar 47 greatly end is installed on the scroll chuck of main spindle box, other end small end is connected with flexible sheet shaft coupling 21 one end of model JM116 by two A type keys, the output shaft of dynamometer machine 20 is connected by two A type keys with the other end of flexible sheet shaft coupling 21, that described dynamometer machine 20 adopts is electric A.C. dynamometer DL662, be bolted on dynamometer machine pedestal 19, dynamometer machine pedestal 19 is fixed on support stand 2 by T-nut, and S type pulling force sensor 17 monitors the size of exerted forces square in real time.Dynamometer machine 20 position is the middle and lower part of support stand 2 and distance ground black iron 4 has little segment distance, is convenient to its installation and removal.
See accompanying drawing 8, described loading unit 22 comprises left side dust-proof end cap 55, loading unit shell 56, cooling copper tube 58, bearing seat 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 O-ring seal 64, described left side bearing 57, sleeve 59 and right side bearing 61 side are arranged on described loading bar 47, described left side bearing 57 and right side bearing 61 and loading bar 47 interference fit, described right side bearing 61 inner ring contacts location with the shaft shoulder of described loading bar 47, transition fit or clearance fit is adopted between the outer shroud of described left side bearing 57 and right side bearing 61 and described bearing seat 60, described bearing (ball) cover 62 and described bearing seat 60 one end are fastenedly connected, with loop contacts in described right side bearing 61 inside bearing (ball) cover 62, described cooling copper tube 58 is enclosed within the external cylindrical surface of described bearing seat 60, described loading unit shell 56 is enclosed within described cooling copper tube 58, loading unit shell 56 is fixedly connected with described bearing seat 60 near left side bearing 57 one end, the dust-proof end cap of the dust-proof end cap in described left side 55 and right side 63 is fastenedly connected with described loading unit shell 56 respectively, the dust-proof end cap 63 of the dust-proof end cap in described left side 55 and right side is provided with O-ring seal 64 with loading bar 47 contact position.The dust-proof end cap of the dust-proof end cap in described left side 55 and right side 63 is square iron plates, and inside is shoulder hole, and inner surface has trapezoidal annular groove; Described bearing unit shell is trapezoidal iron block, and there is shoulder hole inside, and both ends of the surface are evenly equipped with six threaded holes respectively around shoulder hole, and left side is uniform four threaded holes in addition also; Described cooling copper tube 58 is spiral fashion copper pipes; Described bearing seat 60 is right cylinder iron blocks, and there is shoulder hole inside, and two ends are evenly distributed in threaded hole around shoulder hole;
Bearing seat 60 is coordinated with left side bearing 57 by the ring-shaped step of its endoporus; Bearing (ball) cover 62 is fastenedly connected by screw and bearing seat 60, and bearing (ball) cover 62 left end protruding circular ring withstands the outer shroud of right side bearing 61, carries out pretension to bearing pack; The bearing of described loading unit 22 adopts grease lubrication and water cooling, and water flows and to cool bearing in cooling copper tube 58.
See accompanying drawing 9, described mobile platform comprises guide supporting 6, guide rail 7, servomotor 8, shaft coupling housing 9, shaft coupling 10, leading screw 14 and leading screw and supports 15, described servomotor 8 is fixed on described shaft coupling housing 9, the output shaft of servomotor 8 is connected with one end of leading screw 14 by shaft coupling 10, the other end of described leading screw 14 supports 15 by leading screw and is arranged in described guide supporting 6, two parallel guide rails 7 are arranged in described guide supporting 6, two described guide rails 7 are arranged on described leading screw 14 both sides and parallel with described leading screw 14, described leading screw 14 and a feed screw nut form screw pair, described feed screw nut is fixed with a slide block, described slide block and two guide rails 7 form moving sets, described guide supporting 6 is supported and fixed on described support stand 2 by a base, described electro-hydraulic servo loading device is fixed on described slide block.The thickness supported by changing base can adjust the short transverse of mobile platform.Described mobile platform is by the T-shaped left side being bolted to ground black iron 4, and its long limit parallels with the minor face of ground black iron 4.
Described electro-hydraulic servo loading device also comprises retainer 12, hydraulic cylinder 51, servo-valve 13, elasticity load plate A16, servo loading worktable 54, slide plate 50, force snesor 17 and displacement transducer 52, described slide plate 50 lower surface is fixed on described slide block by described servo loading worktable 54, described slide plate 50 upper surface surrounding is provided with retainer 12, centre is fixed with hydraulic cylinder 51, piston rod one end of described hydraulic cylinder 51 is connected with described slide plate 50 by oscillating bearing 11, the other end is connected with an end face of described elasticity load plate A16, the other end of described elasticity load plate A16 is connected with described load bar 18, described force snesor 17 measures the loading force of described load bar 18, institute's displacement sensors 52 measures the displacement that described load bar 18 stretches out, described servo-valve 13 controls load bar 18 action of described hydraulic cylinder 51.Described slide plate 50 is rectangular slab class formation parts, the upper plane of slide plate 50 is evenly equipped with two T-slots from left to right, the uniform two row's threaded holes in the centre of the lower plane of slide plate 50 are used for and servo loading worktable 54 is threaded, the axis of rotation of threaded hole and the upper plane of servo loading worktable 54 and lower plane perpendicular.
Described hydraulic cylinder 51 selects single-piston rod or double-piston rod-type hydraulic jack, longitudinal axis of symmetry of hydraulic cylinder 51 is in longitudinal plane of symmetry of retainer 12, installation position, hydraulic cylinder 51 front end displacement sensor 52 support, when piston rod moves, the inner core of displacement transducer 52 is also along with movement, and displacement transducer 52 just can record the displacement of piston rod.
Described elasticity load plate A16 is identical with the structure of elasticity load plate B26, described elasticity load plate A16 comprises left web joint, right web joint, sleeve that two structures are identical, nut composition that bolt that two specifications are identical is identical with two specifications, and wherein left web joint is identical with right connecting board structure.The bolt that two specifications are identical inserts in the through hole of left web joint and right web joint both sides, on two bolts of the identical sleeve set of two structures between left web joint and right web joint, finally by the identical nut of two structures, left web joint, sleeve that right web joint is identical with a structure are fixed together again.
Threaded hole on the right web joint of elasticity load plate A16 is threaded with the left end of studs, and the right-hand member screw thread of studs is connected with load bar 18, and the threaded hole on left web joint is threaded with the piston rod right-hand member of hydraulic cylinder 51.Elasticity load plate A16 can absorption portion exciting displacement and can transmitting force.The natural frequency of elasticity load plate A16 should be greater than excited frequency more than two times.
The both sides of the front web joint of described elasticity load plate B26 also have threaded hole, for axially load swing arm 32 and radial loaded arm 28 is threaded.Elasticity load plate B26 can absorption portion exciting displacement and can transmitting force.The natural frequency of elasticity load plate B26 should be greater than excited frequency more than two times.
See accompanying drawing 10, described knife-changing system part 68 comprises mechanical arm 40, handle of a knife 41, handle of a knife support 42, tool changing transmission case 43, tool changing transmission case support 44 and tool-changing mechanical arm motor 45; Described tool changing transmission case 43 is fixed on described tool changing transmission case support 44, described tool-changing mechanical arm motor 45 is fixed on described tool changing transmission case 43, described handle of a knife 41 is arranged on described tool changing transmission case 43 upper end by handle of a knife support 42, described tool-changing mechanical arm motor 45 drives described mechanical arm 40 to rotate, described mechanical arm 40 and described handle of a knife 41 cooperation realize tool changing, described tool changing transmission case support 44 is arranged on the outside of main shaft support part, and two ends are fixed on described support stand 2.
Described tool changing transmission case support 44 is plate class web member, four angles of its upper plate have bar hole for being threaded with tool changing transmission case 43, the both sides of tool changing transmission case support 44 are L-type weldment, L-type side plate is threaded with upper plate, and the lower surface of L-type side plate has two bar-shaped troughs for being threaded with support stand 2 simultaneously.Between the side and ground of L-type side plate, there is a floor to improve its rigidity.
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, and side plate top is uniformly distributed four threaded holes, for being threaded with the storage cutter position of standard, and storage standard handle of a knife 41 in storage cutter position.
Tool changer mechanical arm 40, as known technology, does not repeat at this concrete structure to mechanical arm 40 tool magazine.
Described test unit also comprises the oil-air lubricating device 1 be fixed on support stand 2, switch board 3 and cooling device 5; Described switch board 3 controls whole test unit, and described oil-air lubricating device 1 and described cooling device 5 pairs of electro spindle 48 carry out lubrication and cooling.
High-speed electric main shaft 48 of the present invention loads and tool changing test unit reliability load test principle of work: when carrying out electro spindle 48 reliability load test, by testing table according to carrying out shown in figure mono-assembling and being connected, the size wanting the dynamic static force simulated first is determined before test, adjustment mobile platform makes electro-hydraulic servo loading device be adjusted to assigned address, when the load bar 18 of hydraulic cylinder 51 end acts on after on elasticity load plate B26, two power are resolved in both sides at elasticity load plate B26 by the power on hydraulic cylinder 51, axial force is loaded into the axis of loading unit 22 by loading swing arm 32 vertically, after power is delivered to radial loaded swing arm by radial loaded arm 28 by radial force, power is loaded into the radial direction of loading unit 22, control finally by upper industrial computer, on control inerface, selected certain parameter is by Single port and the next dynamometer machine 20 controller, the communication of servo-valve 13 controller, Dynamometer Control instrument control dynamometer machine 20 applies moment of torsion to the loading bar 47 rotated, force snesor 17 simultaneously on upper industrial computer collection electro-hydraulic servo loading device and the feedback signal of displacement transducer 52, closed-loop control is carried out to electro-hydraulic servo loading device, whole control procedure is real-time monitoring.
High-speed electric main shaft 48 of the present invention load and tool changing test unit when carrying out fail-test to electro spindle 48, the cutting operating mode simulated as required, sets cutting force charger.Interface sets the parameters such as loading force, vibration frequency, Loaded contact analysis, load time, loading moment of torsion and machine spindle speed, after on-test, upper industrial computer controls the rotating speed of machine tool chief axis, hydraulic control loading system and torque loading system simultaneously, after loading procedure terminates, servo-valve 13 hydraulic control loading system loading head is retracted, and stops torque loading system simultaneously.
See accompanying drawing 11, high-speed electric main shaft 48 of the present invention loads and the tool changing experiment work principle of tool changing test unit is: dynamometer machine 20, loading bar 47, loading unit 22 in figure mono-are taken off, change loading bar 47 into standard handle of a knife 41 and insert in electro spindle 48.Mechanical arm 40 is in holding state, is located tool changing height during installation; Mechanical arm 40 to turn clockwise tool changing angle γ around the symcenter of its centrosymmetric structure, mechanical arm 40 is in and grabs knife-like state, now, a claw of mechanical arm 40 is caught and is being stored the handle of a knife 41 in cutter spacing, and another claw catches the handle of a knife 41 in electro spindle 48; Afterwards, mechanical arm 40 vertically downward movement is drawn sword, drive store put in place in handle of a knife 41 extract, drive the handle of a knife 41 in electro spindle 48 and with cutter extract from electro spindle 48; Afterwards, mechanical arm 40 around the symcenter dextrorotation turnback of its centrosymmetric structure, two handle of a knifes 41 and with Tool changeover position; Afterwards, slotting tool is carried out in mechanical arm 40 movement vertically upward, drive handle of a knife 41 in a claw and with cutter insert electro spindle 48, drive the handle of a knife 41 in another claw and with cutter insert the broach shell stored in cutter spacing.After tool changing, mechanical arm 40 is rotated counterclockwise γ around the symcenter of its centrosymmetric structure, and mechanical arm 40 is in a holding state tool changing action and completes.

Claims (10)

1. high-speed electric main shaft loads and tool changing test unit, comprise ground black iron (4), it is characterized in that, also comprise 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);
Described support stand (2) is fixed on described ground black iron (4), described main shaft support part and described main-shaft torque loading section (67) are vertically fixed on described support stand (2), described main-shaft torque loading section (67) is connected with the electro spindle (48) of described main shaft support part and realizes moment of torsion and load, described electro spindle (48) vertical direction is arranged, described single hydraulic cylinder Bidirectional cutting power loading section is fixed on described ground black iron (4), act on the loading unit (22) of described main-shaft torque loading section (67), realize Bidirectional cutting power to load, described knife-changing system part (68) is fixed on described support stand (2),
Described single hydraulic cylinder Bidirectional cutting power loading section comprises cutting force loading section (65) and two to loading casing part (66); Described cutting force loading section (65) comprises electro-hydraulic servo loading device and mobile platform, described mobile platform is fixed on described ground black iron (4), described electro-hydraulic servo loading device is fixed on described mobile platform, and the moving direction of described mobile platform is vertical with the loading direction of the power of described electro-hydraulic servo loading device;
Described two comprise two to loading casing part (66) supports (29) to load maintainer housing (38), rotary unit support (39), two rotary units (25), elasticity load plate B (26), radial loaded arm (28), radial loaded arms, axially loads swing arm (32) and radial loaded swing arm; rotary unit supports (39) and is fixed on described two on load maintainer housing (38), described axis loads swing arm (32) and radial loaded swing arm and is arranged on rotary unit respectively by a described rotary unit (25) and supports (39) and two between load maintainer housing (38), described radial loaded arm supports (29) and is fixed on described two to load maintainer housing (38) lower surface, described radial loaded arm (28) lower end supports (29) with described radial loaded arm and is fixedly connected with, the end thereof contacts of upper end and described radial loaded swing arm, the radial loaded head of the other end of described radial loaded swing arm contacts with the loading unit (22) of described main-shaft torque loading section (67), and vertically act on loading unit (22), one end and the described axis of described elasticity load plate B (26) load swing arm (32) and are fixedly connected with, one end that the other end supports (29) with described radial loaded arm (28) near radial loaded arm is fixedly connected with, the other end that described axis loads swing arm (32) contacts with the loading unit (22) of main-shaft torque loading section (67) by axially loading claw (30),
Load bar (18) in described cutting force loading section (65) in electro-hydraulic servo loading device vertically acts on described two on the elasticity load plate B (26) loading casing part (66).
2. high-speed electric main shaft according to claim 1 loads and tool changing test unit, it is characterized in that, described main shaft support part also comprises embraces clamping structure (23), electro spindle base (24) and base back-up block (49);
Described electro spindle (48) is fixed on to be embraced on clamping structure (23), two ends are stretched out, the sidewall that described armful of clamping structure (23) is parallel with described electro spindle (48) is fixed on described electro spindle base (24), described electro spindle base (24) is fixed on described base back-up block (49), and described base back-up block (49) is fixed on described support stand (2).
3. high-speed electric main shaft according to claim 1 and 2 loads and tool changing test unit, it is characterized in that, described main-shaft torque loading section (67) also comprises flexible sheet shaft coupling (21), dynamometer machine (20), S type pull pressure sensor (46), loading bar (47) and dynamometer machine pedestal (19);
One end of described loading bar (47) is installed on the scroll chuck of described electro spindle (48), the other end is connected with the output shaft of described dynamometer machine (20) by described flexible sheet shaft coupling (21), described electro spindle (48), the output shaft of loading bar (47) and dynamometer machine (20) is coaxial, described dynamometer machine (20) is fixed on described support stand (2) by described dynamometer machine pedestal (19), described S type pull pressure sensor (46) one end is fixed on described dynamometer machine (20), the other end is fixed on described dynamometer machine pedestal (19), described loading bar (47) is multidiameter.
4. high-speed electric main shaft according to claim 3 loads and tool changing test unit, it is characterized in that, described loading unit (22) comprises the dust-proof end cap in left side (55), loading unit shell (56), cooling copper tube (58), bearing seat (60), left side bearing (57), sleeve (59), right side bearing (61), bearing (ball) cover (62), the dust-proof end cap in right side (63) and O-ring seal (64);
Described left side bearing (57), sleeve (59) and right side bearing (61) side are arranged on described loading bar (47), described left side bearing (57) and right side bearing (61) and loading bar (47) interference fit, described right side bearing (61) inner ring contacts location with the shaft shoulder of described loading bar (47), transition fit or clearance fit is adopted between the outer shroud of described left side bearing (57) and right side bearing (61) and described bearing seat (60), described bearing (ball) cover (62) and described bearing seat (60) one end are fastenedly connected, bearing (ball) cover (62) inner side and described right side bearing (61) interior loop contacts, described cooling copper tube (58) is enclosed within the external cylindrical surface of described bearing seat (60), described loading unit shell (56) is enclosed within described cooling copper tube (58), loading unit shell (56) is fixedly connected with described bearing seat (60) near bearing (57) one end, left side, the dust-proof end cap in described left side (55) and right side dust-proof end cap (63) are fastenedly connected with described loading unit shell (56) respectively, the dust-proof end cap in described left side (55) and right side dust-proof end cap (63) and loading bar (47) contact position are provided with O-ring seal (64).
5. high-speed electric main shaft according to claim 1 loads and tool changing test unit, it is characterized in that, described mobile platform comprises guide supporting (6), guide rail (7), servomotor (8), shaft coupling housing (9), shaft coupling (10), leading screw (14) and leading screw and supports (15);
On the fixing described shaft coupling housing (9) of described servomotor (8), the output shaft of servomotor (8) is connected with one end of leading screw (14) by shaft coupling (10), the other end of described leading screw (14) supports (15) by leading screw and is arranged in described guide supporting (6), two parallel guide rails (7) are arranged in described guide supporting (6), two described guide rails (7) are arranged on described leading screw (14) both sides and parallel with described leading screw (14), described leading screw (14) and a feed screw nut form screw pair, described feed screw nut is fixed with a slide block, described slide block and two guide rails (7) form moving sets, described guide supporting (6) is supported and fixed on described support stand (2) by a base, described electro-hydraulic servo loading device is fixed on described slide block.
6. high-speed electric main shaft according to claim 5 loads and tool changing test unit, it is characterized in that, described electro-hydraulic servo loading device also comprises retainer (12), hydraulic cylinder (51), servo-valve (13), elasticity load plate A (16), servo loading worktable (53), slide plate (50), force snesor (17) and displacement transducer (52);
Described slide plate (50) lower surface is fixed on described slide block by described servo loading worktable (53), described slide plate (50) upper surface surrounding is provided with retainer (12), centre is fixed with hydraulic cylinder (51), piston rod one end of described hydraulic cylinder (51) is connected with described slide plate (50) by oscillating bearing (11), the other end is connected with an end face of described elasticity load plate A (16), the other end of described elasticity load plate A (16) is connected with described load bar (18), described force snesor (17) measures the loading force of described load bar (18), the displacement that described load bar (18) stretches out is measured by institute's displacement sensors (52), described servo-valve (13) controls load bar (18) action of described hydraulic cylinder (51).
7. high-speed electric main shaft according to claim 6 loads and tool changing test unit, it is characterized in that, described elasticity load plate A (16) is identical with the structure of elasticity load plate B (26), and described elasticity load plate A (16) comprises left web joint, right web joint and two sleeves; Described left web joint and right web joint are oppositely arranged, and left web joint is connected by two bolts with right web joint two ends, and two sleeves are arranged between left web joint and right web joint, and two jacket casings are on described two bolts.
8. high-speed electric main shaft according to claim 1 loads and tool changing test unit, it is characterized in that, described rotary unit (25) comprises swing arm bearing (34), thrust bearing (35), arm shaft (36) and swing arm set nut (37);
Described swing arm bearing (34) and described thrust bearing (35) are successively set on described arm shaft (36), axially load swing arm (32) or radial loaded swing arm and described swing arm bearing (34) to coordinate, described arm shaft (36) one end and described rotary unit support (39) and are threaded, and by described swing arm set nut (37) locking, the other end is connected to load maintainer housing (38) with described two, and is provided with loading end cap.
9. high-speed electric main shaft according to claim 1 loads and tool changing test unit, it is characterized in that, described knife-changing system part (68) comprises mechanical arm (40), handle of a knife (41), handle of a knife support (42), tool changing transmission case (43), tool changing transmission case support (44) and tool-changing mechanical arm motor (45), described tool changing transmission case (43) is fixed on described tool changing transmission case support (44), described tool-changing mechanical arm motor (45) is fixed on described tool changing transmission case (43), described handle of a knife (41) is arranged on described tool changing transmission case (43) upper end by handle of a knife support (42), described tool-changing mechanical arm motor (45) drives described mechanical arm (40) to rotate, described mechanical arm (40) and described handle of a knife (41) cooperation realize tool changing, described tool changing transmission case support (44) is arranged on the outside of main shaft support part, two ends are fixed on described support stand (2).
10. high-speed electric main shaft according to claim 1 loads and tool changing test unit, it is characterized in that, described test unit also comprises the oil-air lubricating device (1) be fixed on support stand (2), switch board (3) and cooling device (5); Described switch board (3) controls whole test unit, and described oil-air lubricating device (1) and described cooling device (5) carry out lubrication and cooling to electro spindle (48).
CN201610048122.7A 2016-01-25 2016-01-25 High-speed electric main shaft loads and tool changing experimental rig Expired - Fee Related CN105547685B (en)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
CN105547685A true CN105547685A (en) 2016-05-04
CN105547685B CN105547685B (en) 2018-02-09

Family

ID=55827029

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610048122.7A Expired - Fee Related CN105547685B (en) 2016-01-25 2016-01-25 High-speed electric main shaft loads and tool changing experimental rig

Country Status (1)

Country Link
CN (1) CN105547685B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106908237A (en) * 2017-04-20 2017-06-30 吉林大学 Machine tool spindle broach mechanism reliability test
CN108692896A (en) * 2018-05-07 2018-10-23 北京科技大学 A kind of non-contact air film loading device suitable for high-speed main spindle rigidity test
CN109100135A (en) * 2018-09-21 2018-12-28 哈尔滨理工大学 A kind of testboard measuring high-speed electric main shaft comprehensive performance
CN110455521A (en) * 2019-09-11 2019-11-15 吉林大学 Machining center main shaft blind rivet and disc spring reliability test
CN110631817A (en) * 2019-10-11 2019-12-31 吉林大学 Replaceable broach mechanism reliability test device and test method
CN110779752A (en) * 2019-12-10 2020-02-11 吉林大学 Multi-sample honing machine reliability experimental device suitable for multiple materials
CN111307434A (en) * 2020-03-07 2020-06-19 倪俊极 Batch detection testing machine and detection method for servo motor after production and assembly
CN111397871A (en) * 2020-03-09 2020-07-10 西南交通大学 Multichannel service performance test bed for rotating arm node of railway vehicle
CN114720099A (en) * 2021-12-02 2022-07-08 中国农业大学 Full-working-condition single-rod loaded electric spindle reliability test device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102384844A (en) * 2011-10-17 2012-03-21 吉林大学 Reliability test device of machine tool spindle dynamically loaded by electromagnet and dynamometer in combined manner
CN102426097A (en) * 2011-08-09 2012-04-25 吉林大学 Dynamic loading device for high-speed motorized spindle
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
CN104006957A (en) * 2014-06-17 2014-08-27 吉林大学 Contact-type reliability test bed capable of conducting mixed loading on electric main shaft
CN104155091A (en) * 2014-08-15 2014-11-19 西安交通大学 Simulation cutter structure for electric spindle dynamic and static stiffness non-contact electromagnetic loading test
CN105067234A (en) * 2015-07-17 2015-11-18 安阳工学院 High speed electric main shaft comprehensive experiment platform and experiment method
CN205352685U (en) * 2016-01-25 2016-06-29 吉林大学 High -speed electric main shaft loading and tool changing test device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102426097A (en) * 2011-08-09 2012-04-25 吉林大学 Dynamic loading device for high-speed motorized spindle
CN102384844A (en) * 2011-10-17 2012-03-21 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
CN104006957A (en) * 2014-06-17 2014-08-27 吉林大学 Contact-type reliability test bed capable of conducting mixed loading on electric main shaft
CN104155091A (en) * 2014-08-15 2014-11-19 西安交通大学 Simulation cutter structure for electric spindle dynamic and static stiffness non-contact electromagnetic loading test
CN105067234A (en) * 2015-07-17 2015-11-18 安阳工学院 High speed electric main shaft comprehensive experiment platform and experiment method
CN205352685U (en) * 2016-01-25 2016-06-29 吉林大学 High -speed electric main shaft loading and tool changing test device

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106908237B (en) * 2017-04-20 2023-05-23 吉林大学 Reliability test device for machine tool spindle broach mechanism
CN106908237A (en) * 2017-04-20 2017-06-30 吉林大学 Machine tool spindle broach mechanism reliability test
CN108692896A (en) * 2018-05-07 2018-10-23 北京科技大学 A kind of non-contact air film loading device suitable for high-speed main spindle rigidity test
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
CN109100135A (en) * 2018-09-21 2018-12-28 哈尔滨理工大学 A kind of testboard measuring high-speed electric main shaft comprehensive performance
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
CN110455521A (en) * 2019-09-11 2019-11-15 吉林大学 Machining center main shaft blind rivet and disc spring reliability test
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
CN110779752A (en) * 2019-12-10 2020-02-11 吉林大学 Multi-sample honing machine reliability experimental device suitable for multiple materials
CN110779752B (en) * 2019-12-10 2024-05-03 吉林大学 Multi-sample honing machine reliability experiment device applicable to various materials
CN111307434A (en) * 2020-03-07 2020-06-19 倪俊极 Batch detection testing machine and detection method for servo motor after production and assembly
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
CN111397871A (en) * 2020-03-09 2020-07-10 西南交通大学 Multichannel service performance test bed for rotating arm node of railway vehicle
CN114720099A (en) * 2021-12-02 2022-07-08 中国农业大学 Full-working-condition single-rod loaded electric spindle reliability test device

Also Published As

Publication number Publication date
CN105547685B (en) 2018-02-09

Similar Documents

Publication Publication Date Title
CN105547685A (en) High-speed motorized spindle loading and knife replacing test device
CN102889983B (en) Machine tool spindle reliability test bed based on mixed loading of electro-hydraulic servo and dynamometer
CN102735484B (en) Dynamometer and hydraulic mixed loading table for testing reliability of power servo knife rest
CN102426097B (en) Dynamic loading device for high-speed motorized spindle
CN102944419B (en) There is the ball screw assembly, reliability test bench of electro-hydraulic servo loading device
CN202869792U (en) Electro-hydraulic servo and dynamometer mixed loading-based testing stand for reliability of machine tool main shaft
CN102607824A (en) Testing system of cutting force and torque loading reliability of numerical control turret power knife rest
CN105881505A (en) Special inspection robot for electric power distribution cabinet
CN109489964B (en) Automatic centering device of electric spindle reliability test bed based on twin-drag loading
CN202188954U (en) High-speed electric spindle dynamic loading device
CN106017959B (en) Lead screw guide rails reliability test bench based on electro-hydraulic loading
CN104458303B (en) Heavy numerical control vertical lathe reliability test system
CN205352685U (en) High -speed electric main shaft loading and tool changing test device
CN106840644B (en) Reliability test bed for electromagnetic and electric push rod mixed loading tool rest
CN106768973B (en) Linear rolling guide clamp reliability test and test method
CN106944879A (en) Double tool rest reliability test and the method for detecting double tool rest rotating accuracy
CN110608883A (en) Multi-type bearing damage simulation test system
CN106015175B (en) Hydraulic sterring engine analog detection testing stand
CN206020024U (en) Lead screw guide rails reliability test bench based on electro-hydraulic loading
CN202693350U (en) Dynamometer and hydraulic pressure mixed loading power servo tool rest reliability test bed
CN207992806U (en) NC rotary table reliability test bench with simulation actual condition load
CN112067263B (en) Servo power tool rest reliability test system based on electromagnetic bearing loading
CN206632766U (en) Double tool rest reliability test
CN203076937U (en) Positioning fixture of machine tool
CN210060392U (en) High-precision numerical control gantry boring and milling machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180209