CN209085911U - Portable main shaft full working scope load and device for detecting performance - Google Patents
Portable main shaft full working scope load and device for detecting performance Download PDFInfo
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- CN209085911U CN209085911U CN201821949826.2U CN201821949826U CN209085911U CN 209085911 U CN209085911 U CN 209085911U CN 201821949826 U CN201821949826 U CN 201821949826U CN 209085911 U CN209085911 U CN 209085911U
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Abstract
The utility model belongs to mechanical test equipment technical field, is related to a kind of portable main shaft full working scope load and device for detecting performance；It is loaded module, load bearings module, axial force loading module, radial force loading module, detection module and the big module of accessory module seven including simulation knife handle module, knife handle；The simulation blade positioning jig and simulation knife handle top card slot cooperation that knife handle is loaded in module；The axial force loading head of axial force loading module is contacted in loading procedure with the bearing outside bottom in load bearings module, realizes the load to main shaft axial force.Radial force piezoelectric ceramics loading bar in radial force loading module is contacted with bearing outside side, realizes the load to main shaft radial force.The utility model is by applying load after main shaft performance detection component and standardization knife handle combine together, simulated machine tool main shaft is realized in the real load of process and obtains performance detection data, to improve the operability and accuracy of main shaft reliability test and performance test.
Description
Technical field
The utility model belongs to mechanical test equipment technical field, is related to the dress that a kind of pair of main shaft of numerical control machine tool is tested
Set, specifically, be related to it is a kind of can dynamic cutting force and torque to be subject to when analog main shaft actual cut, and main shaft is carried out
The device of load test and performance detection.
Background technique
Key feature of the main shaft as numerically-controlled machine tool, the operation of reliability and comprehensive performance to whole numerically-controlled machine tool
State influences very big.Traditional main shaft performance test generally requires to build special test platform in laboratory environment, installs various inspections
Device is surveyed to be tested.Although the on-site detecting device of some main shafts can be realized some projects detection, but be only unloaded detection
Or detection when practical work piece cutting, and the performance detection loaded under specified operating condition can not be simulated.Based on adding for workpiece cutting
It carries test and not only wastes lot of materials, and main shaft stress state and non-controllable, acceleration environment and specific load shape can not be carried out
The test of state.It is tested according to simulation operating condition loading method, not only can dynamically change load parameter, but also energy conservation and environmental protection.It is existing
Simulation operating condition under experimental rig main shaft cutting moment of torque loading scheme, main shaft knife handle front end is usually used and connects with dynamometer machine
Way of torque is loaded, such as utility model patent CN105527090A and utility model patent CN102889983B.This mode changes
Force way when tool sharpening is become, it is difficult to accomplish that radially, axially cutting force accurately loads, but also be only capable of two sides of simulation
To load cutting force.Only design it is a kind of can Collaborative Control, accurately simulate three-dimensional cutting force size under various operating conditions, side
To mix-loaded device, the accurate basic data of main shaft reliability and all-round property testing could be obtained.Therefore, innovative design
It is a kind of can be portable, can Fast Installation on practical lathe, the examination of full working scope accurate simulation load and detection is carried out to main shaft
Experiment device, reliability and performance test for machine control machine tool chief axis have important engineering application value.
Summary of the invention
In order to solve the above technical problems, the utility model adopts the following technical scheme that realization, be described with reference to the drawings as
Under:
Refering to fig. 1, portable main shaft full working scope load is installed in machining center with device for detecting performance 3 using T-bolt
On workbench 4.The digital control system by numerical control machining center 1 is needed before use, and machining center main shaft 2 is adjusted to portable master
The load of axis full working scope and 3 surface of device for detecting performance.Refering to Fig. 5, by the main shaft pulling claw 2-1 inside main shaft 2 by main shaft 2
It is fitted close with the mating surface at 5 top of simulation knife handle, with the true mounting means of analog main shaft knife handle.
A kind of portable main shaft full working scope load and device for detecting performance, including simulation knife handle module, knife handle be loaded module,
Load bearings module, axial force loading module, radial force loading module, detection module and the big module of accessory module seven；
5 upper end of simulation knife handle and main shaft 2 in the simulation knife handle module are cooperated by taper hole；
The blade positioning jig 6-1 and simulation 5 top card slot of knife handle cooperation that the knife handle is loaded in module；
The load bearings module includes load bearings 8-1 and bearing outside 8-2；
By shaft hole matching, bearing outside 8-2 interference fit is installed on load for the load bearings 8-1 and simulation knife handle 5
The outer ring bearing 8-1.
The axial force loading module is installed on the pedestal of the device support arm 12 in accessory module, and axial force loads mould
The axial force loading head 9-5 of block adds 2 axial force of main shaft in loading procedure and bearing outside 8-2 bottom surface contact, realization
It carries.
Radial loaded stick 10-3 in the radial force loading module is contacted with the side bearing outside 8-2, is realized to main shaft 2
The load of radial force.
Detection module is mounted on the device support arm 12 in accessory module by bolt, and is located on device support arm 12
Near the position of simulation knife handle 5.
Simulation knife handle module described in technical solution further includes rotor windings 5-1 and stator winding 5-2；
It simulates knife handle 5 and rotor windings 5-1 is interference fitted；12 middle part of outer wall and device support arm of stator winding 5-2
Cylinder shape inner wall realizes installation using axis hole interference fit type.
Knife handle described in technical solution be loaded module include three blade positioning jig 6-1, a positioning guide rail ring 6-2,
Three guide pad 6-3 and three clamping screw 6-4；
Three blade positioning jig 6-1, a positioning guide rail ring 6-2, three guide pad 6-3 and three clamping screw 6-4
It is bolted and is installed on 12 top of device support arm；
One blade positioning jig 6-1, a guide pad 6-3 and a clamping screw 6-4 form one group；
Positioning guide rail ring 6-2 is set there are three the common location hole for being directed toward simulation 5 axis of knife handle, and three clamping screw 6-4 are logical
Location hole is crossed to be connected with positioning guide rail ring 6-2.
Clamping screw 6-4 passes through guide pad 6-3 and connect with the threaded hole of blade positioning jig 6-1, screws clamping screw
When 6-4, blade positioning jig 6-1 is mobile close to simulation knife handle 5, and blade positioning jig 6-1 matches with simulation 5 top card slot of knife handle
Close the clamping and positioning to realize simulation knife handle 5.
Axial force loading module described in technical solution further include axially loaded support frame 9-1, axial lock nut 9-2,
Axially loaded stick 9-3 and axial compressive force sensor 9-4；
The bottom axially loaded support frame 9-1 is fixedly connected with the pedestal of device support arm 12；
Axial lock nut 9-2 is threadedly coupled with axially loaded stick 9-3；Axial compressive force sensor 9-4 and axially loaded stick
9-3 is threadedly coupled；Axial force loading head 9-5 is threadedly coupled with axial compressive force sensor 9-4 and is located at axial force loading module most
Top.
Radial force loading module described in technical solution further includes electric machine support 10-1, electric pushrod 10-2, radial pressure
Sensor 10-4, radial force loading head 10-5, turntable 10-6, rotary tray motor 10-7, disk gear 10-8, turntable retaining mechanism branch
Frame 10-9, electromagnet 10-10 and friction pulley 10-11.
Electric pushrod 10-2, radial loaded stick 10-3, radial pressure sensor 10-4, radial force loading head 10-5 successively go here and there
Connection；
Electric pushrod 10-2 is mounted on electric machine support 10-1；Electric machine support 10-1 is installed on the surface turntable 10-6；
The output shaft of rotary tray motor 10-7 passes through the hole among disk gear 10-8, is realized by shaft hole matching and key connection
The transmitting of torque.
Disk gear 10-8 is engaged with turntable 10-6；
Turntable locking mechanism rack 10-9 is fixed on device support arm 12, and electromagnet 10-10 is mounted on by bolt to be turned
On disk retaining mechanism bracket 10-9, the output end of electromagnet 10-10 is connected by the threaded hole among bolt and friction pulley 10-11
It connects.
Detection module described in technical solution includes laser displacement sensor 11-1 and eddy current displacement sensor 11-2；
Laser displacement sensor 11-1 is installed on simulation 5 bottom of knife handle at load bearings 8-1；Current vortex displacement sensing
Device 11-2 is installed on 5 top of simulation knife handle close to the position main shaft pulling claw 2-1.
Accessory module described in technical solution further includes hot channel 7；
Hot channel 7 is wrapped in device support arm 12, and approaching device support arm 12 is outer with the installation position stator winding 5-2
Portion.
The load of portable main shaft full working scope and device for detecting performance 3 include that simulation knife handle module, knife handle are loaded module, load
Bearing module, axial force loading module, radial force loading module, detection module and the big module of accessory module seven.
Refering to Fig. 5, simulating knife handle module includes simulation knife handle 5, rotor windings 5-1 and stator winding 5-2.Simulate knife handle
5 upper ends and main shaft 2 are cooperated by taper hole, simulate actual installation mode.Simulate 5 middle section of knife handle package one circle rotor around
Group 5-1.The outer wall and 12 inner wall of device support arm of the stator winding 5-2 of annular is realized using axis hole interference fit type to be installed.
Stator winding 5-2 energization makes therein generate alternating magnetic field, when rotor windings 5-1 cutting magnetic induction line by with rotation direction phase
Anti- Ampere force effect, to apply torque to simulation knife handle 5.
Refering to Fig. 2, Fig. 4, knife handle be loaded module include three blade positioning jig 6-1, three positioning guide rail ring 6-2, three
A guide pad 6-3 and three clamping screw 6-4.The knife handle module that is loaded passes through the uniformly distributed blade positioning jig of three circumferencial directions
6-1 realizes the elastic adjusting of simulation knife handle 5.Blade positioning jig 6-1, a positioning guide rail ring 6-2, three guide pad 6-3 with
And three clamping screw 6-4 are installed on 12 top of device support arm.Positioning guide rail ring 6-2 is fixed by bolts in device support arm
12 top surfaces.Clamping screw 6-4 passes through guide pad 6-3 and connect with the threaded hole of blade positioning jig 6-1, thus turning
While clamping screw 6-4, blade positioning jig 6-1 is realized close to or far from simulation knife handle 5 and is unclamped or lock simulation knife handle 5.
Refering to Fig. 6, load bearings module includes load bearings 8-1 and bearing outside 8-2.Load bearings 8-1 inner ring with
It simulates by shaft hole matching at the cylinder of 5 end of knife handle, bearing outside 8-2 interference fit is installed on the outer ring load bearings 8-1.Axis
Load bearings are transmitted to by dynamic force from bearing outside 8-2 to cutting force loading module, the dynamic force of radial force loading module
8-1, and continue to be transmitted to simulation knife handle 5, realize the function for the dynamic cutting force that analog main shaft cutting process is subject to.
Refering to Fig. 6, axial force loading module includes axially loaded support frame 9-1, axial lock nut 9-2, axially loaded
Stick 9-3, axial compressive force sensor 9-4 and axial force loading head 9-5.The function of axial force loading module is realized to simulation knife
5 end of handle, i.e., the dynamic force load of true machining point.Axially loaded support frame 9-1 passes through bolt and device support arm 12
Pedestal connect firmly.Axial lock nut 9-2 is bolted with axially loaded stick 9-3, can be by unclamping or tightening axial lock
Tight nut 9-2 adjusts the pretightning force size between axial force loading head 9-5 and bearing outside 8-2.Axial compressive force sensor 9-4
It is cascaded with axially loaded stick 9-3 by screw thread, realizes the loading force detection of loading procedure.Axial force loading head 9-5 peace
Loaded on axial force loading module top, front end has arc-shaped profile, in order to which axial force is loaded into bearing outside 8-
2, and then loading force is applied to main shaft 2.Due to axially loaded stick 9-3 have with input voltage equal proportion, etc. frequencies load
The output effect of power, therefore different size may be implemented for axial force loading module and the dynamic axial power of different frequency loads.
Refering to Fig. 7, radial force loading module includes electric machine support 10-1, electric pushrod 10-2, radial loaded stick 10-3, diameter
To pressure sensor 10-4, radial force loading head 10-5, turntable 10-6, rotary tray motor 10-7, disk gear 10-8, turntable locking
Mechanism rack 10-9, electromagnet 10-10, friction pulley 10-11.After the output shaft and radial loaded stick 10-3 of electric pushrod 10-2
The bolt hole at end is installed in series, the threaded hole of the bolt of the front end electroceramics loading bar 10-3 and the rear end radial pressure sensor 10-4
It is connected through a screw thread, the threaded hole of the front end radial pressure sensor 10-4 and the non-load end of radial force loading head 10-5 pass through spiral shell
Bolt is installed in series.Electric pushrod 10-2 is installed on electric machine support 10-1 by bolt.And electric machine support 10-1 is connected using bolt
It connects and is installed on the surface turntable 10-6.When radial force loads, moved out by electric pushrod 10-2 first so that radial force loading head
10-5 applies small pretightning force to bearing outside 8-2, then applies high frequency dynamic force using radial loaded stick 10-3.In order to realize
Dynamic adjusts the direction of radial force, and rotary tray motor 10-7 drives disk gear 10-8 to drive entire turntable 10-6 and turntable
Electric machine support 10-1, electric pushrod 10-2, radial loaded stick 10-3 on 10-6, radial pressure sensor 10-4, radial force add
This five components of carrier head 10-5 realize the angular adjustment of the radial direction around 2 axis of rotation of main shaft.After being adjusted to suitable corner,
Rotary tray motor 10-7 cuts off self-lock, and realizes the indexing locking of the first order.Peace is bolted in turntable locking mechanism rack 10-9
Loaded on device support arm 12, device support arm 12 installs one piece of electromagnet 10-10 using welding manner, by friction pulley 10-
11 absorption is realized with repulsion and is locked to the second level after turntable 10-6 indexing.
It include laser displacement sensor 11-1, eddy current displacement sensor 11-2 refering to Fig. 2, Fig. 4, Fig. 6 detection module.Inspection
Surveying module may be implemented to the detection for simulating 5 dynamic rotation precision property index of knife handle under simulation operating condition load.Laser displacement
On sensor 11-1 mounting device support arm 12, there is 20cm or so distance with simulation 5 bottom of knife handle, the laser projected is beaten
5 bottom of knife handle is simulated at load bearings 8-1.Laser displacement sensor 11-1 detects simulation knife handle 5 in a non-contact manner
The jerk value of loading end.Eddy current displacement sensor 11-2 is installed on device support arm 12 by bolt, with simulation knife handle 5
Top has 1cm or so distance, to detect the bounce at 5 top and 2 installation end of main shaft of simulation knife handle.Vibration, temperature for main shaft
The indexs such as degree, electric current are detected in combination with existing method installation sensor in national standard in main shaft specific position.
Accessory module includes hot channel 7, device support arm 12.Hot channel 7 is wrapped in device support arm 12 close to fixed
The cooling to rotor windings 5-1 and stator winding 5-2 is realized in the outside of the position sub- winding 5-2.
Compared with prior art the beneficial effects of the utility model are:
1, experimental rig described in the utility model can by main shaft knife handle front end accurately apply dynamic cutting force with
The cutting moment of torque, to parameterize simulated machine tool main shaft in the real working condition of workpieces processing process, improve main shaft reliability test with
The parameter diversity and confidence level of performance test.
2, experimental rig described in the utility model combines all kinds of main shaft performance detection components and standardization knife handle together,
Replacement test main shaft is not required to reinstall or adjust detection part, simplifies the precision for guaranteeing detection module while sensor installation
With stability.
3, experimental rig described in the utility model has the advantages that Mobile portable, and space occupancy rate is far below traditional experiment
Equipment, and equipment cost is cheap, has market popularization value.The device can be used vertical or horizontal mode and be installed on standard
Numerically controlled machine is suitable for various model machine tool chief axis, to create hardware condition quickly to carry out main shaft test.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings:
Fig. 1 is portable main shaft full working scope load described in the utility model and device for detecting performance actual working state axis
Mapping；
Fig. 2 is that portable main shaft full working scope load described in the utility model is surveyed with the vertical state axis of device for detecting performance
Figure；
Fig. 3 is that portable main shaft full working scope load described in the utility model is surveyed with device for detecting performance horizontal state axis
Figure；
Fig. 4 is that knife handle described in the utility model is loaded module top view；
Fig. 5 is knife handle torque loading method operation principle schematic diagram described in the utility model；
Fig. 6 is axial force loading module main view described in the utility model；
Fig. 7 is radial force loading module axonometric drawing described in the utility model；
Fig. 8 is device support arm axonometric drawing described in the utility model；
In figure:
1. numerical control machining center, 2. main shafts, 2-1. main shaft pulling claw, 3. portable main shaft full working scope loads are filled with performance detection
It sets, 4. machining center workbench, 5. simulation knife handles, 5-1. rotor windings, 5-2. stator winding, 6-1. blade positioning jig, 6-
2. positioning guide rail ring, 6-3. guide pad, 6-4. clamping screw, 7. hot channels, 8-1. load bearings, 8-2. bearing outside, 9-
1. axially loaded support frame, 9-2. axial lock nut, the axially loaded stick of 9-3., 9-4. axial compressive force sensor, 9-5. are axial
Power loading head, 10-1. electric machine support, 10-2. electric pushrod, 10-3. radial loaded stick, 10-4. radial pressure sensor, 10-
5. radial force loading head, 10-6 turntable, 10-7. rotary tray motor, 10-8. disk gear, 10-9. turntable lock mechanism rack,
10-10. electromagnet, 10-11. friction pulley, 11-1. laser displacement sensor, 11-2. eddy current displacement sensor, 12. devices
Support arm.
Specific embodiment
The utility model is explained in detail with reference to the accompanying drawing:
Fig. 1 provides the specific embodiment of portable main shaft reliability and device for detecting performance described in this patent.Institute
It states on the workbench 4 that portable main shaft reliability and device for detecting performance 3 are installed in machining center using T-bolt, in processing
Heart main shaft 2 is moved to portable main shaft reliability and device for detecting performance 3 under the digital control system control of numerical control machining center 1
Surface and perpendicular to 4 upper surface of the workbench of machining center.Machining center main shaft 2 by its internal tool-broaching mechanism with it is portable
Formula main shaft reliability is connect with the simulation knife handle 5 of device for detecting performance 3, realizes the installation effect for simulating true main shaft.With main shaft 2
Install cutter carry out actual cut process it is similar, portable main shaft reliability and device for detecting performance 3 by traditional cutter with
Workpiece is integrated into the device of an automation control, realizes the controllable load of different loads condition.
Portable main shaft reliability as described herein and device for detecting performance 3 have vertical (Fig. 2) and horizontal (Fig. 3) two
Kind installation form, is respectively suitable for the main shaft (Fig. 1) of vertical and the main shaft of horizontal arrangement, so that it is extensive to have device
Applicability.
Refering to Fig. 2 and Fig. 8, portable main shaft reliability described in this patent and performance testing device 3, all modules are equal
It is installed on device support arm 12.By taking vertical spindle as an example, device support arm 12 be divided into from top to bottom knife handle be loaded module installing zone,
Stator coil and cooling jacket installing zone, radial force loading module installing zone, detection model installing zone and bottom most portion axis
To power loading module installing zone, device support arm 12 is that portable main shaft reliability and performance testing device 3 provide function load
Body, and securely it is connected in lathe workbench.
It simulates 5 upper end of knife handle and main shaft 2 to cooperate by taper hole, be filled in the portable main shaft full working scope load with performance detection
It sets when not connect with main shaft 2, the state that simulation knife handle 5 and main shaft 2 are detached from；It, can after calibrating the position of the good device and main shaft 2
The taper hole for simulating the conical surface and main shaft 2 of knife handle 5 is firmly combined together by the main shaft pulling claw 2-1 inside main shaft 2.
Simulation knife handle module is that the core of whole device passes through inside main shaft 2 positioned at the lower end of main shaft 2 with main shaft 2
Tool-broaching mechanism realize be fitted close.Knife handle be loaded module by blade positioning jig 6-1 with simulation knife handle module upper end it is recessed
Slot cooperation.Load bearings module is connect by load bearings 8-1 with the interference fit for simulating knife handle lower end, to guarantee that load is adding
It carries the power on bearing 8-1 and is equal to load in the power of simulation knife handle.Axial force loading module is installed on the pedestal of device support arm 12,
The axial force loading head 9-5 of axial force loading module is contacted in loading procedure with the bottom bearing outside 8-2, is realized to 2 axis of main shaft
Load to power.Radial force loading module is located at the intermediate region of entire experimental rig, passes through radial loaded stick 10-3 and bearing
The contact of the side housing 8-2, realizes the load to 2 radial force of main shaft.Detection module includes two sensors, is located at simulation
The top and bottom of knife handle 5 are bolted and are mounted on device support arm 12.Device support arm 12 in accessory module
Installation for other six big modules provides support.
Refering to Fig. 4 and Fig. 6, before portable main shaft reliability and device for detecting performance 3 not yet enter test mode, simulation
The main shaft 2 of knife handle 5 and numerically-controlled machine tool is simultaneously not connected with, and simulation knife handle 5 needs to position by blade positioning jig 6-1 clamping, to protect
The positional stability of card simulation knife handle 5.After simulating knife handle 5 and connecting with main shaft of numerical control machine tool, clamping screw 6-4 is adjusted, so that
Blade positioning jig 6-1 and simulation knife handle 5 are detached from.The knife handle module that is loaded includes that three blade positioning jig 6-1, a positioning are led
Rail ring 6-2, three guide pad 6-3 and three clamping screw 6-4.Blade positioning jig 6-1 and simulation 5 top card slot of knife handle with
Complementary mode cooperates clamping and positioning to realize simulation knife handle 5.Blade positioning jig 6-1, a positioning guide rail ring 6-2,
Three guide pad 6-3 and three clamping screw 6-4, which are bolted, is installed on 12 top of device support arm.Positioning guide rail ring
6-2, which is bolted, is fixed on 12 top surface of device support arm.One blade positioning jig 6-1, a guide pad 6-3 and
One clamping screw 6-4 forms one group, realizes the locking to a direction simulation knife handle 5.A total of three groups of package unit above-mentioned
Structure is mounted in a uniformly distributed manner on positioning guide rail ring 6-2 in mounting plane.Clamping screw 6-4 passes through guide pad
6-3 is simultaneously connect with blade positioning jig 6-1 threaded hole.Clamping screw 6-4 is turned, then clamping screw 6-4 is together with cutter positioning card
Has 6-1 along guide pad 6-3 close to or far from simulation knife handle 5, so that blade positioning jig 6-1 unclamps or lock simulation knife handle 5.
Refering to Fig. 2 and Fig. 5, after simulating the main shaft pulling claw 2-1 mechanism cooperation inside knife handle 5 and main shaft 2, simulate knife handle 5 by
Rotation is realized to the driving force from main shaft 2.In order to simulate torque suffered by true cutting process main shaft, simulate in knife handle 5
Between portion envelops one circle rotor windings 5-1.The outer wall and 12 inner wall of device support arm of the stator winding 5-2 of annular uses axis hole
Interference fit type realizes installation.Stator winding 5-2 energization makes therein generate alternating magnetic field, and rotor windings 5-1 cuts magnetic
It is acted on when feeling line by the Ampere force opposite with rotation direction, to apply torque to simulation knife handle 5.Lead to inside hot channel 7
Circulating water flow is crossed, realizes the cooling to stator winding 5-2 and support arm 12.Simulation 5 lower end of knife handle is cutting force loading section, mould
Quasi- 5 lower end of knife handle is more tiny than upper end, to simulate the shape of real tool, realizes more accurate load.
Refering to Fig. 6, the effect of axial force loading module is to apply dynamic force in the bottom bearing outside 8-2, indirectly will dynamic
Power is applied to simulation 5 lower end of knife handle, axial force suffered by analog main shaft actual cut process.Axial force loading module includes axial
Load support frame 9-1, axial lock nut 9-2, axially loaded stick 9-3, axial compressive force sensor 9-4 and axially loaded head 9-
5.Axially loaded support frame 9-1 is connected firmly by the pedestal of bolt and device support arm 12.All there is spiral shell at the both ends axially loaded stick 9-3
Line after lower thread is connect with axial lock nut 9-2, continues to screw in axially loaded support frame 9-1 pedestal, threaded upper ends and axis
To the threaded hole connection among pressure sensor 9-4.Axial loading head can be adjusted by unclamping or tightening axial lock nut 9-2
Pretightning force size between 9-5 and bearing outside 8-2.Axial compressive force sensor 9-4 and axially loaded stick 9-3 passes through screw thread string
It is linked togather, realizes the loading force detection of loading procedure.Loading head 9-5 is installed on axial force loading module by screw thread and most pushes up
End, front end has spherical projecting surface, in order to which axial force to be loaded into the pit of the bottom bearing outside 8-2.Due to axial direction
Loading bar 9-3 have with input voltage equal proportion etc. frequencies loading force output effect, therefore axial force loading module can be with
Realize that the main shaft axial force of different size and different frequency loads.
Refering to Fig. 7, the effect of radial force loading module is to apply dynamic force in the side of bearing outside 8-2 external arc,
It connects and dynamic force is applied to simulation 5 end of knife handle, radial force suffered by analog main shaft actual cut process.Since radial force has
Multiple directions, the mode for generalling use both direction synthesis or directly applying a direction resultant force are realized.In order to reduce cost
And simplified control algorithm, this patent are loaded by the way of resultant force.The size of radial force is by electric pushrod 10-2 and radial loaded
Stick 10-3 combination loading.Be installed on electric machine support 10-1 on turntable 10-6, electric pushrod 10-2, radial loaded stick 10-3,
In company with turntable 10-6, the central axes around simulation knife handle 5 rotate radial pressure sensor 10-4 and radial force loading head 10-5, from
And realize the dynamic regulation in cutting force direction.The output shaft and radial loaded stick 10-3 of electric pushrod 10-2, radial pressure sense
Device 10-4, radial force loading head 10-5 are installed in series by bolt.
Refering to Fig. 7, electric machine support 10-1, which is connected by screw bolts, is installed on the surface turntable 10-6, and electric pushrod 10-2 passes through spiral shell
Bolt is connected and installed on electric machine support 10-1.The output shaft and radial loaded stick 10-3 of electric pushrod 10-2, radial pressure sense
Device 10-4, radial force loading head 10-5 are installed in series by bolt.It is defeated by electric pushrod 10-2 first in radial force load
It is mobile close to bearing outside 8-2 to make radial force loading head 10-5 for certain displacement out, and acts on bearing with the pretightning force of setting
On housing 8-2.High frequency dynamic force is then applied using radial loaded stick 10-3 and acts on radial force loading head 10-5, passes through axis
Housing 8-2 is held, simulation knife handle 5 is applied to.The purpose of radial pressure sensor 10-4 is to acquire axially loaded stick 10-3 institute constantly
The power of output.
Refering to Fig. 2, Fig. 7 and Fig. 8, turntable 10-6 is mounted in the large circle among device support arm 12, rotary tray motor 10-
7 are mounted on device support arm 12.When need to adjust radial cutting force load angle, turntable tooth is driven by rotary tray motor 10-7
10-8 rotation is taken turns, disk gear 10-8 driving turntable 10-6 (outer profile is gear) again has driven the motor on turntable 10-6
Bracket 10-1, electric pushrod 10-2, radial loaded stick 10-3, radial pressure sensor 10-4, radial force loading head 10-5 are around master
The axis of rotation of axis 2 rotates.After being adjusted to suitable corner, rotary tray motor 10-7 cuts off self-lock, and realizes the indexing lock of the first order
It is fixed.Turntable locking mechanism rack 10-9, which is bolted, to be installed on device support arm 12, and electromagnet 10-10 inhales after power-off
It is attached on friction pulley 10-11；To realize that electromagnet 10-10 on-off control friction pulley 10-11 moves up and down in overall.The electromagnet
10-10 is not rotated together by driven by rotary disc, realizes to the second level locking after turntable 10-6 indexing, it is ensured that radial force loading procedure
Load angle will not change.After energization, electromagnet is attracted with turntable locking mechanism rack 10-9 upwards, to be detached from turntable 10-
6, so that turntable 10-6 continues to convert position.
Refering to Fig. 2 and Fig. 6, eddy current displacement sensor 11-2, which is connected by screw bolts, is installed on 12 top of device support arm
The upper surface positioning guide rail ring 6-2 is crossed in face, realizes the bounce measurement to 5 top of simulation knife handle.Laser displacement sensor 11-1
It is equally connected by screw bolts and is installed on device support arm 12, and be located at close to the part end 10mm on bearing outside 8-2, laser point
It penetrates in simulation 5 lower end of knife handle, to realize the monitoring to various 5 jerk values of stress state Imitating knife handle.For main shaft vibration,
The test of the indexs such as temperature, electric current is examined in combination with method installation sensor ready-made in national standard in main shaft specific position
It surveys.
Example described in the utility model is for the ease of field technical staff it will be appreciated that and practical new using this
Type.The utility model is the example of an optimization, or perhaps a kind of preferable specific technical solution, if relevant technology
Personnel make the equivalent structure change for needing not move through creative work in the case where adhering to the utility model basic technical scheme
Change or various modifications are within the protection scope of the utility model.
Claims (7)
1. a kind of portable main shaft full working scope load and device for detecting performance, it is characterised in that:
Including simulation knife handle module, knife handle be loaded module, load bearings module, axial force loading module, radial force loading module,
Detection module and the big module of accessory module seven；
Simulation knife handle (5) upper end and main shaft (2) in the simulation knife handle module are cooperated by taper hole；
The blade positioning jig (6-1) and simulation knife handle (5) top card slot cooperation that the knife handle is loaded in module；
The load bearings module includes load bearings (8-1) and bearing outside (8-2)；
By shaft hole matching, bearing outside (8-2) interference fit, which is installed on, to be added for the load bearings (8-1) and simulation knife handle (5)
Carry the outer ring bearing (8-1)；
The axial force loading module is installed on the pedestal of the device support arm (12) in accessory module, axial force loading module
Axial force loading head (9-5) contacted in loading procedure with the bottom bearing outside (8-2), realization main shaft (2) axial force is added
It carries；
Radial loaded stick (10-3) in the radial force loading module is contacted with the side bearing outside (8-2), is realized to main shaft
(2) load of radial force；
Detection module is mounted on the device support arm (12) in accessory module by bolt, and is located on device support arm (12)
Near the position of simulation knife handle (5).
2. a kind of portable main shaft full working scope load according to claim 1 and device for detecting performance, it is characterised in that:
The simulation knife handle module further includes rotor windings (5-1) and stator winding (5-2)；
Knife handle (5) and rotor windings (5-1) are simulated to be interference fitted；In the outer wall of stator winding (5-2) and device support arm (12)
Wall realizes installation using axis hole interference fit type.
3. a kind of portable main shaft full working scope load according to claim 1 and device for detecting performance, it is characterised in that:
The knife handle be loaded module include three blade positioning jigs (6-1), a positioning guide rail ring (6-2), three guide pads
(6-3) and three clamping screws (6-4)；
Three blade positioning jigs (6-1), a positioning guide rail ring (6-2), three guide pads (6-3) and three clamping screws
(6-4), which is bolted, to be installed at the top of device support arm (12)；
One blade positioning jig (6-1), a guide pad (6-3) and a clamping screw (6-4) form one group；
Positioning guide rail ring (6-2) is directed toward the location hole for simulating knife handle (5) axis, three clamping screws (6-4) there are three setting jointly
It is connected by location hole with positioning guide rail ring (6-2)；
Clamping screw (6-4) passes through guide pad (6-3) and connect with the threaded hole of blade positioning jig (6-1), screws locking screw
When bolt (6-4), blade positioning jig (6-1) is mobile close to simulation knife handle (5), blade positioning jig (6-1) and simulation knife handle (5)
Card slot cooperation in top is to realize the clamping and positioning of simulating knife handle (5).
4. a kind of portable main shaft full working scope load according to claim 1 and device for detecting performance, it is characterised in that:
The axial force loading module further includes axially loaded support frame (9-1), axial lock nut (9-2), axially loaded stick
(9-3) and axial compressive force sensor (9-4)；
The axially loaded support frame bottom (9-1) is fixedly connected with the pedestal of device support arm (12)；
Axial lock nut (9-2) is threadedly coupled with axially loaded stick (9-3)；Axial compressive force sensor (9-4) with it is axially loaded
Stick (9-3) is threadedly coupled；Axial force loading head (9-5) is threadedly coupled with axial compressive force sensor (9-4) and adds positioned at axial force
Carry module top.
5. a kind of portable main shaft full working scope load according to claim 1 and device for detecting performance, it is characterised in that:
The radial force loading module further includes electric machine support (10-1), electric pushrod (10-2), radial pressure sensor (10-
4), radial force loading head (10-5), turntable (10-6), rotary tray motor (10-7), disk gear (10-8), turntable retaining mechanism branch
Frame (10-9), electromagnet (10-10) and friction pulley (10-11)；
Electric pushrod (10-2), radial loaded stick (10-3), radial pressure sensor (10-4), radial force loading head (10-5) according to
Secondary series connection；
Electric pushrod (10-2) is mounted on electric machine support (10-1)；Electric machine support (10-1) is installed on the surface turntable (10-6)
On；
The output shaft of rotary tray motor (10-7) passes through the intermediate hole disk gear (10-8), is realized by shaft hole matching and key connection
The transmitting of torque；
Disk gear (10-8) is engaged with turntable (10-6)；
Turntable locking mechanism rack (10-9) is fixed on device support arm (12), and electromagnet (10-10) is mounted on by bolt
Turntable is locked on mechanism rack (10-9), the output end of electromagnet (10-10) spiral shell intermediate by bolt and friction pulley (10-11)
Pit connection.
6. a kind of portable main shaft full working scope load according to claim 1 and device for detecting performance, it is characterised in that:
The detection module includes laser displacement sensor (11-1) and eddy current displacement sensor (11-2)；
Laser displacement sensor (11-1) is installed on simulation knife handle (5) bottom at load bearings (8-1)；Current vortex displacement passes
Sensor (11-2) is installed at the top of simulation knife handle (5) close to the position main shaft pulling claw (2-1).
7. a kind of portable main shaft full working scope load according to claim 1 and device for detecting performance, it is characterised in that:
The accessory module further includes hot channel (7)；
Hot channel (7) is wrapped in the outside of device support arm (12) close to the position stator winding (5-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821949826.2U CN209085911U (en) | 2018-11-26 | 2018-11-26 | Portable main shaft full working scope load and device for detecting performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821949826.2U CN209085911U (en) | 2018-11-26 | 2018-11-26 | Portable main shaft full working scope load and device for detecting performance |
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|---|---|
| CN209085911U true CN209085911U (en) | 2019-07-09 |
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ID=67125543
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397891A (en) * | 2020-05-25 | 2020-07-10 | 吉林大学 | Non-contact all-working-condition loaded electric spindle reliability test device |
| CN113155451A (en) * | 2021-04-29 | 2021-07-23 | 吉林大学 | Portable numerical control lathe main shaft test device |
| CN116659834A (en) * | 2023-05-24 | 2023-08-29 | 广东鼎泰高科技术股份有限公司 | Apparatus and method for evaluating drill performance |
-
2018
- 2018-11-26 CN CN201821949826.2U patent/CN209085911U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397891A (en) * | 2020-05-25 | 2020-07-10 | 吉林大学 | Non-contact all-working-condition loaded electric spindle reliability test device |
| CN111397891B (en) * | 2020-05-25 | 2023-05-05 | 吉林大学 | Non-contact full-working-condition loaded motorized spindle reliability test device |
| CN113155451A (en) * | 2021-04-29 | 2021-07-23 | 吉林大学 | Portable numerical control lathe main shaft test device |
| CN113155451B (en) * | 2021-04-29 | 2022-11-01 | 吉林大学 | Portable numerical control lathe main shaft test device |
| CN116659834A (en) * | 2023-05-24 | 2023-08-29 | 广东鼎泰高科技术股份有限公司 | Apparatus and method for evaluating drill performance |
| CN116659834B (en) * | 2023-05-24 | 2023-12-08 | 广东鼎泰高科技术股份有限公司 | Apparatus and method for evaluating drill performance |
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