CN108655825A - A kind of 5-shaft linkage numerical control lathe simulation milling power load maintainer and application method - Google Patents
A kind of 5-shaft linkage numerical control lathe simulation milling power load maintainer and application method Download PDFInfo
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- CN108655825A CN108655825A CN201810552171.3A CN201810552171A CN108655825A CN 108655825 A CN108655825 A CN 108655825A CN 201810552171 A CN201810552171 A CN 201810552171A CN 108655825 A CN108655825 A CN 108655825A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0952—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining
Abstract
A kind of 5-shaft linkage numerical control lathe simulation milling power load maintainer of the present invention and application method, including testing stand pedestal, circle cylinder, optical axis seat support, corner brace, optical axis seat, jackscrew, installation axle, adjustable resistance damper, guide rod, X-direction moving assembly, Y-direction moving assembly and cutter head mounting assembly, the present invention is compared with prior art, provide a kind of completely new lathe means of testing, milling power load maintainer is simulated by the 5-shaft linkage numerical control lathe of brand-new design, after lathe carries out assembly use, can real simulation go out the stress condition in Machine Tool design Milling Processes, completely dispense with consumable material material object and process tool, effectively reduce five-axis linkage machine tools performance test cost, the manufacturing cost of lathe can also be effectively reduced while ensureing lathe excellent performance.
Description
Technical field
The invention belongs to simulate milling power load maintainer technical field, and in particular to a kind of 5-shaft linkage numerical control lathe simulation
Milling power load maintainer and application method.
Background technology
Numerically-controlled machine tool is the machine-tool of manufacturing equipment industry, is the foundation stone for realizing advanced manufacturing technology and facility modernization,
It is the strategy equipment for ensureing development for hi-tech industry and defence and military modernization.With industrialized development, 5-shaft linkage numerical control
Lathe is considered as the most important machining tool of the industries processing key component such as aerospace, ship, precision instrument, power generation.Make
For the numerical control machine tool technique that difficulty is maximum, application range is most wide, 5-shaft linkage numerical control lathe has it that can not replace in terms of processing
For the advantages of：1, can process general three-shaft linkage lathe cannot process or can not the continuous and derivable that machines of clamped one time
Free form surface.Such as aeroengine rotor, large-scale generator rotor, large ship propeller etc..Due to five-axle linkage number
Cutter can adjust control lathe at any time relative to the angle of workpiece in process, and the processing thousand for avoiding cutter relates to, therefore
5-shaft linkage numerical control lathe can complete the processing for many complexity that three-shaft linkage lathe cannot be completed；2, free sky can be improved
Between curved surface machining accuracy, processing efficiency and processing quality.The work of general cavity complexity is processed relative to three axis numerically controlled machine
Part, five-axle number control machine tool can complete processing in clamped one time, and due to can be adjusted at any time when five-axle number control machine tool is processed
Whole pose angle, five-axle number control machine tool can avoid multiple clamping with better angle workpieces processing, substantially increase processing effect
Rate, processing quality and machining accuracy；3, meet the trend of Machine Tool Development.In part process, a large amount of time is consumed
On carrying the times such as workpiece, loading and unloading, mounting and adjusting, in order to reduce these times as far as possible, it is desirable to can use one
Lathe completes processing more as possible.Five-axle number control machine tool can complete the processing tasks that several three axis numerically controlled machines could be completed,
The time and cost that space and workpiece operate between different processing units is greatly saved.5-shaft linkage numerical control lathe
Important function becomes the focus and emphasis of current Development of Machine-tool Industry.
5-shaft linkage numerical control lathe is a kind of high in technological content, high lathe complex-curved dedicated for processing of precision,
National Aeronautics and Astronautics of this machine tool system pair, military affairs, scientific research, precision instruments, high-precision Medical Devices etc. industry have
Very important influence power.Currently, 5-shaft linkage numerical control machine tool system is to solve impeller, blade, marine propeller, heavy power generation
The only resource of machine rotor, turbine rotor, large-sized diesel machine crankshaft etc. processing.
5-shaft linkage numerical control lathe has high efficiency, high-precision feature, workpiece clamped one time that can complete adding for pentahedron
Work.The high-grade digital control system of five-axle linkage is such as configured, high-precision processing can also be carried out to complicated space curved surface, can more fitted
Close the precisions such as the processing of high-grade, advanced mold to become increasingly complex and auto parts and components, aircraft structure, complex parts plus
Work.It is well known that the developed country outlet also in limitation Five Axis CNC System and lathe to China up to now, if with
Family must just sign stringent orientation using agreement, and be checked using external digital control system.
In conclusion with the continuous development of five-axle linkage milling turning machine, in order to ensure machine cut performance also and then by
Step improves, it is necessary to from the indices and ginseng during the multi-angular analysis machine cut such as dynamics, structural fatigue, reliability
Number, designs reliable five-axle linkage milling turning machine cutting force analog loading device, carries out check inspection to lathe, and then improve
The R ＆ D design of lathe and production.
Invention content
In view of the problems of the existing technology, the present invention provides a kind of 5-shaft linkage numerical control lathe simulation Milling Force load machine
Structure and its application method, are capable of the constraints of real simulation knife rest and workpiece, workpiece and fixture, and application can be concentrated approximate true
The stressing conditions of 5-shaft linkage numerical control lathe under real operating mode, improve the reliability of test.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of 5-shaft linkage numerical control lathe simulation milling power load maintainer, including testing stand pedestal, the testing stand pedestal
Top four corners are provided with round cylinder, optical axis seat support are provided between the round cylinder of two, left and right end, and on the outside of optical axis seat support
It is provided with corner brace between wall bottom and testing stand pedestal, optical axis seat, the optical axis are symmetrically arranged at the top of the optical axis seat support
Seat side wall middle and upper part is provided with jackscrew, is provided with installation axle in the middle part of the optical axis seat, and installation axle axis is vertical with jackscrew axis,
It is provided with adjustable resistance damper at the top of the round cylinder, guide rod is provided in the middle part of the front and back end adjustable resistance damper, it is described
It is provided with X-direction moving assembly at the top of guide rod, the X-direction slide assemblies top slide is equipped with Y-direction moving assembly, described
It is provided with cutter head mounting assembly at the top of Y-direction moving assembly.
The X-direction moving assembly includes X-direction movement friction sliding slot, X-direction movement friction sliding slot described in the end of left and right it
Between be provided with Y-direction connecting rod, be provided with X-direction block sliding block, the X in the slot of the X-direction movement friction sliding slot rear and front end
Direction block slider top is provided with X-direction block clamping element, and the X-direction block clamping element and X-direction block sliding block pass through X
X-direction wing nut at the top of the block clamping element of direction is fixedly mounted, and the side X is provided in the X-direction movement friction sliding slot slot
To mobile brake pad, X-direction movement brake pad rear end is welded with screw rod, and the screw rod outer wall is provided with X-direction clamping element,
The X-direction clamping element top screws external part is provided with X-direction locking nut, and the X-direction moves X-direction described in brake pad
Brake pad is moved by X-direction at the top of moving assembly and is provided with Y-direction moving assembly.
The Y-direction moving assembly includes Y-direction movement friction sliding slot, is arranged between the Y-direction movement friction sliding slot
There is X-direction connecting rod, Y-direction block sliding block, the Y are provided in the slot of Y-direction movement friction sliding slot top left and right ends
Direction block slider top is provided with Y-direction block clamping element, and the Y-direction block clamping element and Y-direction block sliding block pass through Y
Y-direction wing nut at the top of the block clamping element of direction is fixedly mounted, and the side Y is provided in the Y-direction movement friction sliding slot slot
To mobile brake pad, the Y-direction movement brake pad right end is welded with screw rod, and the screw rod outer wall is provided with Y-direction clamping element,
The Y-direction clamping element top screws external part is provided with Y-direction locking nut, passes through the side Y at the top of the Y-direction moving assembly
Mobile brake pad is provided with cutter head mounting assembly.
The cutter head mounting assembly includes bearing block fixed plate, the riser of the bearing block fixed plate and level board junction
It is provided with floor, fixed cutter head mounting assembly hexagon socket head cap screw, the bearing block fixed plate are provided between two floors
Riser middle and upper part be provided with horizontal bearing block, be provided with flexible jig in the middle part of the horizontal bearing block right side, it is described adjustable
Jig-attachment part top is provided with the knife bar body of rod, and locking nut is provided in the middle part of the flexible jig adjustment portion.
The adjustable resistance damper includes spiral outer ring, and the spiral outer ring is spirally connected with clamp one end, and the clamp is another
One end is fixedly mounted with ratchet one end, and the ratchet other end is fixedly mounted with conductor guide block, the setting of spiral outer ring side wall
There are cantilever rectangular axes, the cantilever rectangular axes external part to be provided with the pawl coordinated with ratchet, the pawl and cantilever rectangular axes
It is fixedly mounted by axially position nut 43.
A kind of application method of 5-shaft linkage numerical control lathe simulation milling power load maintainer, using a kind of 5-shaft linkage numerical control
Lathe simulates milling power load maintainer, includes the following steps,
Step 1, the five-axis linkage machine tools for carrying out simulation Milling Force are selected, apparatus of the present invention are passed through into installation axle
It is installed on 5-shaft linkage numerical control lathe, and three chucking chuck is made to block installation axle, and apparatus of the present invention is made to be in horizontality,
And it is kept fixed；
Step 2, five-axis linkage machine tools cutter spindle and the knife bar body of rod of apparatus of the present invention cutter head mounting assembly are fixed and is pacified
It is fitted together；
Step 3, one group of Milling Force is set；
Step 4, the ratchet for adjusting adjustable resistance damper is used in combination and pulls X-direction movement friction to slide using weight beam
Slot makes resistance suffered by Z-direction be equal to set Milling Force, adjusts X-direction locking nut and Y on X-direction movement brake pad
The Y-direction locking nut on brake pad is moved in direction, and frictional resistance suffered by X, Y direction is made to be equal to set Milling Force, then
The locking nut in cutter head mounting assembly flexible jig is tightened using torque wrench, makes rubbing between the knife bar body of rod and flexible jig
It wipes power and is equal to set Milling Force, torque when tightening can only directly be read by torque wrench, according to calculation formula M=
KF ' d/ μ calculate the value of frictional force, wherein：M is torque when tightening, and K is to tighten force coefficient, and F ' is frictional force, and d is interior six
The bolt diameter of corner bolt, μ are friction coefficient；
Step 5, start lathe and run processing program, start the process of simulated machine tool, and real simulation lathe exists
Actual motion state under stress condition, and then test out the machine tool capability under current Milling Force；
Step 6, Milling Force is reset, step 4 and step 5 is repeated, completes the machine tool capability under the conditions of different Milling Forces
Test.
Beneficial effects of the present invention：
Compared with prior art, the present invention providing a kind of completely new lathe means of testing, pass through five axis of brand-new design
Linkage numerical control machine simulate milling power load maintainer, after lathe carries out assembly use, can real simulation go out Machine Tool design milling
The stress condition in process is cut, consumable material material object and process tool is completely dispensed with, effectively reduces five-axis linkage machine tools
Performance test cost can also effectively reduce the manufacturing cost of lathe while ensureing lathe excellent performance.
Description of the drawings
Fig. 1 is that a kind of 5-shaft linkage numerical control lathe of the present invention simulates milling power load maintainer overall structure diagram；
Fig. 2 is that a kind of 5-shaft linkage numerical control lathe of the present invention simulates milling power load maintainer A enlarged diagrams；
Fig. 3 is that a kind of 5-shaft linkage numerical control lathe of the present invention simulates milling power load maintainer B enlarged diagrams；
Fig. 4 is the cutter head mounting assembly signal that a kind of 5-shaft linkage numerical control lathe of the present invention simulates milling power load maintainer
Figure；
Fig. 5 is the adjustable resistance damper structure that a kind of 5-shaft linkage numerical control lathe of the present invention simulates milling power load maintainer
Schematic diagram；
1- testing stand pedestals, 2- justify cylinder, and 3- optical axis seat supports, 4- corner braces, 5- optical axis seats, 6- jackscrews, 7- installation axles, 8- can
Resistance trimming damper, 9- guide rods, the directions 10-X moving assembly, the directions 11-Y moving assembly, 12- cutter head mounting assemblies, the side 13-X
To the mobile sliding slot that rubs, 14-Y is to connecting rod, the directions 15-X block sliding block, the directions 16-X block clamping element, the directions 17-X butterfly-type
Brake pad, 19- screw rods, the directions 20-X clamping element, the directions 21-X locking nut, the movement of the directions 22-Y are moved in nut, the directions 18-X
Rub sliding slot, the directions 23-X connecting rod, the directions 24-Y block sliding block, the directions 25-Y block clamping element, the directions 26-Y wing nut,
The directions 27-Y movement brake pad, the directions 28-Y clamping element, the directions 29-Y locking nut, 30- bearing block fixed plates, 31- floors,
32- fixes cutter head mounting assembly hexagon socket head cap screw, the horizontal bearing blocks of 33-, 34- flexible jigs, the 35- knife bar bodies of rod, 36- locking screws
Mother, 37- spirals outer ring, 38- clamps, 39- ratchets, 40- conductor guide blocks, 41- cantilever rectangular axes, 42- pawls, 43- axially positions
Nut.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.
As Figure 1-Figure 5, a kind of 5-shaft linkage numerical control lathe simulates milling power load maintainer, including testing stand pedestal 1,
1 top four corners of the testing stand pedestal are provided with round cylinder 2, and circle cylinder 2 is an integral molding structure with testing stand pedestal 1, left and right end
It is provided with optical axis seat support 3 between two round cylinders 2, and is set between 3 lateral wall bottom of optical axis seat support and testing stand pedestal 1
It is equipped with corner brace 4,3 top of the optical axis seat support is symmetrically bolted with optical axis seat 5, and 5 side wall middle and upper part of the optical axis seat is provided with top
Silk 6,5 middle part of the optical axis seat is provided with installation axle 7, and 7 axis of installation axle is vertical with 6 axis of jackscrew, by tightening optical axis seat 5
On jackscrew 6 achieve the purpose that locking installation axle 7,2 top of the round cylinder is bolted with adjustable resistance damper 8, the front and back end
8 middle part of adjustable resistance damper is provided with guide rod 9, and 9 top of the guide rod is bolted with X-direction moving assembly 10, and the X-direction is slided
Dynamic 10 top slide of component is equipped with Y-direction moving assembly 11, and 11 top of the Y-direction moving assembly is provided with cutter head installation group
Part 12.
The X-direction moving assembly 10 includes X-direction movement friction sliding slot 13, and X-direction movement friction sliding slot 13 is set as T
Type structure, 13 upper surface of X-direction movement friction sliding slot are provided with wearing layer, reduce X-direction movement friction sliding slot 13 and X-direction is moved
Abrasion between dynamic friction block 18 is provided with Y-direction connecting rod 14, the X between X-direction movement friction sliding slot 13 described in the end of left and right
X-direction block sliding block 15 is provided in direction movement friction 13 rear and front end slot of sliding slot, 15 top of the X-direction block sliding block is set
It is equipped with X-direction block clamping element 16, the X-direction block clamping element 16 and X-direction block sliding block 15 are clamped by X-direction block
The X-direction wing nut 17 at 16 top of part is fixedly mounted, and X-direction movement is provided in X-direction movement friction 13 slot of sliding slot
Brake pad 18,18 rear end of the X-direction movement brake pad are welded with screw rod 19, and 19 outer wall of the screw rod is provided with X-direction clamping
Part 20,20 top screws of X-direction clamping element, 19 external part are provided with X-direction locking nut 21, by adjusting X-direction locking
Nut 21 changes the tightness between X-direction movement brake pad 18 and X-direction movement friction sliding slot 13, and then adjusts X-direction
Clamping element 20 pushes and X-direction movement brake pad 18 pulls up degree, and X-direction moves described in the X-direction movement brake pad 18
Brake pad 18 is moved by X-direction and is provided with Y-direction moving assembly 11 in 10 top of component.
The Y-direction moving assembly 11 includes Y-direction movement friction sliding slot 22, and Y-direction movement friction sliding slot 22 is set as T
Type structure, 22 upper surface of Y-direction movement friction sliding slot are provided with wearing layer, reduce Y-direction movement friction sliding slot 22 and Y-direction is moved
Abrasion between dynamic friction block 27, the Y-direction are provided with X-direction connecting rod 23, the Y-direction between moving friction sliding slot 22
Y-direction block sliding block 24 is provided in mobile friction 22 top left and right ends slot of sliding slot, 24 top of the Y-direction block sliding block is set
It is equipped with Y-direction block clamping element 25, the Y-direction block clamping element 25 and Y-direction block sliding block 24 are clamped by Y-direction block
The Y-direction wing nut 26 at 25 top of part is fixedly mounted, and Y-direction movement is provided in Y-direction movement friction 22 slot of sliding slot
Brake pad 27, Y-direction movement 27 right end of brake pad are welded with screw rod 19, and 19 outer wall of the screw rod is provided with Y-direction clamping
Part 28,28 top screws of Y-direction clamping element, 19 external part are provided with Y-direction locking nut 29, by adjusting Y-direction locking
Nut 29 changes the tightness between Y-direction movement brake pad 27 and Y-direction movement friction sliding slot 22, and then adjusts Y-direction
Clamping element 28 pushes and Y-direction movement brake pad 27 pulls up degree, and 11 top of the Y-direction moving assembly is moved by Y-direction
Dynamic friction block 27 is provided with cutter head mounting assembly 12.
The cutter head mounting assembly 12 includes bearing block fixed plate 30, the riser and level board of the bearing block fixed plate 30
Junction is provided with floor 31, and fixed cutter head mounting assembly hexagon socket head cap screw 32 is provided between two floors 31, described
The riser middle and upper part of bearing block fixed plate 30 is provided with horizontal bearing block 33, is provided in the middle part of 33 right side of horizontal bearing block
Flexible jig 34,34 mounting portion top of the flexible jig are provided with the knife bar body of rod 35,34 adjustment portion of flexible jig middle part
It is provided with locking nut 36, milling temperature when cutter head rotation is simulated by the tightness of adjusting lock nut 36.
The adjustable resistance damper includes spiral outer ring 37, and the spiral outer ring 37 is spirally connected with 38 one end of clamp, clamp
38 are set as three, and clamp 38 and 37 screw-thread fit of spiral outer ring increase frictional resistance, due to ratchet 39 after being screwed to a certain degree
Effect, spiral outer ring 37 can be held in place and set, and frictional resistance will not change, and then achieve the purpose that transmission, by suitable
Hour hands three clamps 38 of the stubborn realization of spiral outer ring 37 ramp up movement, cause intermediate gap to become smaller, clamp guide rod 9, described
38 other end of clamp is fixedly mounted with 39 one end of ratchet, and 39 other end of the ratchet is fixedly mounted with conductor guide block 40, the spiral shell
Rotation 37 side wall of outer ring is provided with cantilever rectangular axes 41, and 41 external part of cantilever rectangular axes is provided with the pawl coordinated with ratchet 39
42, the pawl 42 is fixedly mounted with cantilever rectangular axes 41 by axially position nut 43.
A kind of application method of 5-shaft linkage numerical control lathe simulation milling power load maintainer, using a kind of 5-shaft linkage numerical control
Lathe simulates milling power load maintainer, includes the following steps,
Step 1, the five-axis linkage machine tools for carrying out simulation Milling Force are selected, apparatus of the present invention are passed through into installation axle
6 are installed on 5-shaft linkage numerical control lathe, and three chucking chuck is made to block installation axle 6, and apparatus of the present invention is made to be in horizontal
State, and be kept fixed；
Step 2, five-axis linkage machine tools cutter spindle and the knife bar body of rod 35 of apparatus of the present invention cutter head mounting assembly 12 are consolidated
Dingan County is fitted together；
Step 3, one group of Milling Force is set；
Step 4, the ratchet 39 for adjusting adjustable resistance damper 7 is used in combination and pulls X-direction movement friction using weight beam
Sliding slot 13 so that resistance suffered by Z-direction is equal to set Milling Force, lock by the X-direction adjusted on X-direction movement brake pad 18
Y-direction locking nut 29 on nut 21 and Y-direction movement brake pad 27, makes frictional resistance suffered by X, Y direction be equal to set
Fixed Milling Force recycles torque wrench to tighten the locking nut 36 in 12 flexible jig 34 of cutter head mounting assembly, makes knife bar bar
Frictional force between body 35 and flexible jig 34 is equal to set Milling Force, can only directly be read by torque wrench when tightening
Torque, the value of frictional force is calculated according to calculation formula M=KF ' d/ μ, wherein：M is torque when tightening, and K is screwing force system
Number, F ' are frictional force, and d is the bolt diameter of hexagon socket head cap screw, and μ is friction coefficient；
Step 5, start lathe and run processing program, start the process of simulated machine tool, and real simulation lathe exists
Actual motion state under stress condition, and then test out the machine tool capability under current Milling Force；
Step 6, Milling Force is reset, step 4 and step 5 is repeated, completes the machine tool capability under the conditions of different Milling Forces
Test.
Claims (6)
1. a kind of 5-shaft linkage numerical control lathe simulates milling power load maintainer, which is characterized in that including testing stand pedestal, the examination
It tests platform base top four corners and is provided with round cylinder, optical axis seat support, and optical axis seat are provided between the round cylinder of two, left and right end
It is provided with corner brace between stent outer wall bottom and testing stand pedestal, optical axis seat is symmetrically arranged at the top of the optical axis seat support,
The optical axis seat side wall middle and upper part is provided with jackscrew, and installation axle, and installation axle axis and jackscrew are provided in the middle part of the optical axis seat
Axis is vertical, and adjustable resistance damper is provided at the top of the round cylinder, is provided in the middle part of the front and back end adjustable resistance damper
Guide rod, the guide rod top are provided with X-direction moving assembly, and the X-direction slide assemblies top slide is equipped with Y-direction movement
Component, the Y-direction moving assembly top are provided with cutter head mounting assembly.
2. a kind of 5-shaft linkage numerical control lathe according to claim 1 simulates milling power load maintainer, it is characterised in that：Institute
It includes X-direction movement friction sliding slot to state X-direction moving assembly, and Y-direction is provided between X-direction movement friction sliding slot described in the end of left and right
Connecting rod, the X-direction move in the slot of friction sliding slot rear and front end and are provided with X-direction block sliding block, the X-direction block sliding block
Top is provided with X-direction block clamping element, and the X-direction block clamping element and X-direction block sliding block are clamped by X-direction block
X-direction wing nut at the top of part is fixedly mounted, and X-direction movement brake pad is provided in the X-direction movement friction sliding slot slot,
X-direction movement brake pad rear end is welded with screw rod, and the screw rod outer wall is provided with X-direction clamping element, and the X-direction clamps
Part top screws external part is provided with X-direction locking nut, and the X-direction moves at the top of X-direction moving assembly described in brake pad
Brake pad, which is moved, by X-direction is provided with Y-direction moving assembly.
3. a kind of 5-shaft linkage numerical control lathe according to claim 1 simulates milling power load maintainer, it is characterised in that：Institute
It includes Y-direction movement friction sliding slot to state Y-direction moving assembly, and X-direction connection is provided between the Y-direction movement friction sliding slot
Bar, the Y-direction move and are provided with Y-direction block sliding block, the Y-direction block sliding block in the slot of left and right ends at the top of friction sliding slot
Top is provided with Y-direction block clamping element, and the Y-direction block clamping element and Y-direction block sliding block are clamped by Y-direction block
Y-direction wing nut at the top of part is fixedly mounted, and Y-direction movement brake pad is provided in the Y-direction movement friction sliding slot slot,
The Y-direction movement brake pad right end is welded with screw rod, and the screw rod outer wall is provided with Y-direction clamping element, and the Y-direction clamps
Part top screws external part is provided with Y-direction locking nut, and brake pad is moved in the Y-direction moving assembly top by Y-direction
It is provided with cutter head mounting assembly.
4. a kind of 5-shaft linkage numerical control lathe according to claim 1 simulates milling power load maintainer, it is characterised in that：Institute
It includes bearing block fixed plate to state cutter head mounting assembly, and the riser of the bearing block fixed plate and level board junction are provided with rib
Plate, is provided with fixed cutter head mounting assembly hexagon socket head cap screw between two floors, in the riser of the bearing block fixed plate
Top is provided with horizontal bearing block, and flexible jig, the flexible jig installation are provided in the middle part of the horizontal bearing block right side
Portion top is provided with the knife bar body of rod, and locking nut is provided in the middle part of the flexible jig adjustment portion.
5. a kind of 5-shaft linkage numerical control lathe according to claim 1 simulates milling power load maintainer, it is characterised in that：Institute
It includes spiral outer ring to state adjustable resistance damper, and the spiral outer ring is spirally connected with clamp one end, the clamp other end and ratchet
One end is fixedly mounted, and the ratchet other end is fixedly mounted with conductor guide block, and spiral outer ring side wall is provided with cantilever right angle
Axis, the cantilever rectangular axes external part are provided with the pawl coordinated with ratchet, and it is axial fixed that the pawl passes through with cantilever rectangular axes
Position nut is fixedly mounted.
6. a kind of application method of 5-shaft linkage numerical control lathe simulation milling power load maintainer, using described in claim 1 one
Kind 5-shaft linkage numerical control lathe simulates milling power load maintainer, it is characterised in that：Include the following steps,
Step 1, the five-axis linkage machine tools for carrying out simulation Milling Force are selected, apparatus of the present invention are installed by installation axle
Onto 5-shaft linkage numerical control lathe, and three chucking chuck is made to block installation axle, and apparatus of the present invention is made to be in horizontality, and protected
Hold fixation；
Step 2, five-axis linkage machine tools cutter spindle and the knife bar body of rod of apparatus of the present invention cutter head mounting assembly are fixedly mounted on
Together；
Step 3, one group of Milling Force is set；
Step 4, the ratchet for adjusting adjustable resistance damper is used in combination and pulls X-direction movement friction sliding slot to make using weight beam
It obtains resistance suffered by Z-direction and is equal to set Milling Force, adjust the X-direction locking nut and Y-direction on X-direction movement brake pad
Y-direction locking nut on mobile brake pad, makes frictional resistance suffered by X, Y direction be equal to set Milling Force, recycles
Torque wrench tightens the locking nut in cutter head mounting assembly flexible jig, makes the frictional force between the knife bar body of rod and flexible jig
Equal to set Milling Force, torque when tightening can only directly be read by torque wrench, according to calculation formula M=KF ' d/ μ
The value of frictional force is calculated, wherein：M is torque when tightening, and K is to tighten force coefficient, and F ' is frictional force, and d is hexagon socket head cap screw
Bolt diameter, μ is friction coefficient；
Step 5, start lathe and run processing program, start the process of simulated machine tool, and real simulation lathe is in stress
Under the conditions of actual motion state, and then test out the machine tool capability under current Milling Force；
Step 6, Milling Force is reset, step 4 and step 5 are repeated, completes the machine tool capability test under the conditions of different Milling Forces.
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| CN201810552171.3A CN108655825B (en) | 2018-05-31 | 2018-05-31 | Application method of five-axis linkage numerical control machine tool simulated milling force loading mechanism |
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| CN201810552171.3A CN108655825B (en) | 2018-05-31 | 2018-05-31 | Application method of five-axis linkage numerical control machine tool simulated milling force loading mechanism |
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| CN108655825A true CN108655825A (en) | 2018-10-16 |
| CN108655825B CN108655825B (en) | 2020-03-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542575A (en) * | 2019-09-19 | 2019-12-06 | 吉林大学 | test bed for simulating reliability of power servo tool rest of numerical control machine tool under real working condition |
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