CN108000236A - A kind of device for detecting lathe line slideway auxiliary accelerated wear test deterioration law - Google Patents
A kind of device for detecting lathe line slideway auxiliary accelerated wear test deterioration law Download PDFInfo
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- CN108000236A CN108000236A CN201810014883.XA CN201810014883A CN108000236A CN 108000236 A CN108000236 A CN 108000236A CN 201810014883 A CN201810014883 A CN 201810014883A CN 108000236 A CN108000236 A CN 108000236A
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- China
- Prior art keywords
- workbench
- line slideway
- slideway auxiliary
- cylinder
- guide rail
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Classifications
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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
- B23Q17/007—Arrangements for observing, indicating or measuring on machine tools for managing machine functions not concerning the tool
- B23Q17/008—Life management for parts of the machine
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses a kind of device for detecting lathe line slideway auxiliary accelerated wear test deterioration law, it includes upper and lower two groups of sliding blocks and eight runner rails, wherein, upper group of sliding block connects three direction force snesors, three direction force snesors are connected to workbench, the following group sliding block connection pedestal.The device of present invention detection lathe line slideway auxiliary accelerated wear test deterioration law, detection is easy to operate, shortens test period, reduces experimentation cost；The result of the test of actual condition can more be met by carrying out test using this experimental rig, improve detection reliability.
Description
Technical field
The present invention relates to precision optical machinery manufacturing technology field, more particularly to a kind of detection lathe line slideway auxiliary accelerated wear test
The device of deterioration law.
Background technology
Lathe refers to the machine of manufacture machine, also known as machine-tool or toolroom machine, abbreviation lathe.Lathe shows in national economy
Significant role is played in the construction of generationization.Numerically-controlled machine tool is numerically-controlled machine tool (Computer numerical control
Machine tools) abbreviation, be a kind of automated machine tool equipped with program control system.The control system can be logically
Processing has control coding or other symbolic instruction regulated procedures, and is decoded, and with the digital representation of code, passes through letter
Cease carrier input numerical control device.Various control signals are sent by numerical control device through calculation process, the action of lathe are controlled, by drawing
It is required that shape and size, automatically part is processed.Numerically-controlled machine tool represents the development side of modern machine control technology
To being a kind of typical electromechanical integrated product.The machining accuracy of precision machine tool in 1~0.1 μ m, precision machine tool it is straight
Line guideway is the main function components of NC machine tool feed system, its running precision and precision deterioration law are always to hinder height
The problem of precision, high speed Development of CNC Machine Tools.
At present, in order to ensure line slideway auxiliary transmission accuracy and improve the rigidity of guideway, generally all using increase ball
The mode of diameter increases pretightning force, once pre- next in the whole service life of guide rail, sliding block without pretension again ability, this
For sample after guide rail uses a period of time, guide rail and sliding block produce abrasion, cause pretightning force to decline or even produce gap, orbit rigidity
Reduce and lose positioning accuracy, and then numerically-controlled machine tool processing is lost machining accuracy.Especially for high-precision machining tool, 2
Micron will cause the significantly decline of machining accuracy to 3 microns of wear extent.
In order to correctly ensure the machining accuracy of numerically-controlled machine tool, it is necessary to study the abrasion of guide rail and move back using line slideway auxiliary
Change mechanism, the essential abrasion mechanism of line slideway auxiliary is also fuzzy at present, and many lab design testing stands simultaneously carry out
Research.But due to platen be move back and forth and load cylinder be it is fixed, when load test, adds
Carrier gas cylinder (hydraulic cylinder) cannot back and forth be run with workbench, be relatively moved so that loading device exists with testing stand, no
Can be with workbench synchronous operation, there are large error for the abrasion of research detection of straight lines guideway；Although there are public affairs in the prior art
Exploitation stretches out piston and work top with loading cylinder and realizes that loading and workbench are synchronous but this by setting rolling bearing
Load mode operationally applies load and energy imbalance easily occurs, and test platform structure is complicated, adds rolling element
It is actual that accessory structure deviates experimental result, large error occurs, further so that computation model adds the company of rolling
Connect secondary and produce new rolling faying face problem analysis at the same time, add the complexity of analysis, there are large error.
Therefore, those skilled in the art is directed to developing a kind of detection lathe line slideway auxiliary accelerated wear test deterioration law
Device, solve it is above-mentioned in the prior art study numerically-controlled machine tool in use the abrasion and degeneration of guide rail when detection error
The defects of big.
The content of the invention
In view of the drawbacks described above of the prior art, the technical problems to be solved by the invention are that existing research numerically-controlled machine tool is led
Device is loaded in the line slideway auxiliary wear test of abrasion and the degeneration of rail to be run simultaneously with workbench, and detection error is big.
To achieve the above object, the present invention provides a kind of dress for detecting lathe line slideway auxiliary accelerated wear test deterioration law
Put, including upper and lower two groups of sliding blocks and eight runner rails, wherein, upper group of sliding block connects three direction force snesors, and three direction force pass
Sensor is connected to workbench, the following group sliding block connection pedestal.
Further, the device of the detection lathe line slideway auxiliary accelerated wear test deterioration law, specifically includes pedestal, axis
To loading beam, driving motor and gear, left side limit switch, lateral spacing bit switch, Vertical loading beam, bilateral runner rails, rack,
Vertical loading cylinder, workbench, radial loaded cylinder, bilateral sliding block, right side limit switch, axially loaded cylinder, three directions
Force snesor；
Further, the runner rails are bilateral slide block guide rail, and side is fixedly connected with the base, and opposite side is consolidated with workbench
Fixed connection；
Further, the driving motor is the motor with speed change and commutation function；
Further, the motor of the speed change and commutation function includes stepping motor or AC servo motor；
Further, the rack and pinion coordinates, and drives bilateral guide rail back and forth to run；
Further, the workbench is fixedly connected by guide rail with pedestal, is changed between the two without relative displacement；
In the better embodiment of the present invention, the runner rails are axially back and forth transported by driving device
Dynamic, the displacement distance of guide rail is limited by the limit switch of device both sides；The move mode of guide rail runs to prolong axial reciprocating translation,
Two bilateral runner rails are fixed together by connector, and connector is equipped with rack, and guide rail is by rack by servo-electric
Machine drives；Normal direction and lateral load during experiment are applied on workbench by loading cylinder.
In the better embodiment of the present invention, the device of the detection lathe line slideway auxiliary accelerated wear test deterioration law
During operation, workbench is loaded by three-dimensional cylinder respectively, during loading workbench with loading cylinder piston without relative movement；
Workbench carries out no-load experiment, unidirectional load test or both direction and applies load test at the same time.
In the better embodiment of the present invention, the device of the detection lathe line slideway auxiliary accelerated wear test deterioration law
During operation, workbench is fixedly connected relative to pedestal, and is changed between the two without relative displacement, three direction force sensing
Device is used to detect the stressing conditions of four bilateral sliding blocks operationally, and testing result establishes the wear model of guide rail；
The rigidity of pedestal is more than the rigidity of tested line slideway auxiliary, drive motor and gear using stepping motor or
AC servo motor, left side limit switch and right side limit switch use mechanical limit switch or electric limit switch, rack
Coordinating with gear drives bilateral guide rail back and forth to run, and workbench is fixed, and the active force of axially loaded cylinder is zero；
When carrying out workbench movement, moved using rope traction workbench, the telescoping cylinder of axially loaded cylinder
Load is applied all the time to the workbench in movement；Radial loaded cylinder is equipped with accumulator and overflow valve etc. and starts attached original paper,
Accumulator can guarantee that applies constant load within a period of time.
Using above scheme, a kind of dress for detecting lathe line slideway auxiliary accelerated wear test deterioration law disclosed by the invention
Put, there is following technique effect：
(1) device of present invention detection lathe line slideway auxiliary accelerated wear test deterioration law, structure simplify compact, external applied load
Apply element cylinder (hydraulic cylinder) does not have redundant structure between workbench, saves in application loading and is more than link；
Solving loading device in line slideway auxiliary wear test cannot cause error information detection is big to lack with workbench synchronous operation
Fall into, can more real simulated machine tool guide rail stressing conditions, can more preferably simulation actual condition load load mode,
And accelerating ability degradation experiment principle fast assessing line slideway auxiliary wear degradation rule is utilized, reduce detection error；
(2) device of present invention detection lathe line slideway auxiliary accelerated wear test deterioration law, is slided using symmetrical bilateral eight
Duct device, it is novel in design, as the workbench used under experiment and special machine processing environment, in the foundation of its mechanical model
The interference of other component links is avoided, ball, guide rail slideway, the parameter of slider slideway are only dealt with analysis, is tested
Error is small；Three direction force snesors are equipped between workbench and each sliding block, more preferably can more accurately be detected each
The stressing conditions of a sliding block, based on the result of the test that this can obtain being more in line with actual condition, improve detection reliability.
(3) it is detected using the device of present invention detection lathe line slideway auxiliary accelerated wear test deterioration law, shortens examination
Test the time, reduce experimentation cost, degenerate for line slideway auxiliary precision and abrasion research provides a kind of feasible technological means；
In conclusion the device of present invention detection lathe line slideway auxiliary accelerated wear test deterioration law, detection is easy to operate,
Test period is shortened, reduces experimentation cost；Experiment the data obtained more meets actual condition, improves detection reliability.
It is described further below with reference to the technique effect of design of the attached drawing to the present invention, concrete structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is the dress of the detection lathe line slideway auxiliary accelerated wear test deterioration law of the better embodiment of the present invention
The main view schematic diagram put；
Fig. 2 is the dress of the detection lathe line slideway auxiliary accelerated wear test deterioration law of the better embodiment of the present invention
Put the structure diagram of bilateral slide block guide rail；
In figure, limit switch, 5- Vertical loadings on the left of the axially loaded beam of 1- pedestals, 2-, 3- driving motors and gear, 4-
Beam, 6- bilaterals runner rails, 7- racks, 8- Vertical loadings cylinder, 9- workbenches, 10- radial loadeds cylinder, 11- bilaterals are slided
Limit switch, the axially loaded cylinders of 13-, tri- direction force snesors of 14- on the right side of block, 12-.
Embodiment
Multiple preferred embodiments of the present invention are introduced below with reference to Figure of description, make its technology contents more clear and just
In understanding.The present invention can be emerged from by many various forms of embodiments, and protection scope of the present invention not only limits
The embodiment that Yu Wenzhong is mentioned.
Embodiment
As shown in Fig. 1~2, the present embodiment detects the device of lathe line slideway auxiliary accelerated wear test deterioration law, including：Base
Seat 1, axially loaded beam 2, drives motor and gear 3, left side limit switch 4, Vertical loading beam 5, bilateral runner rails 6, rack
7, Vertical loading cylinder 8, workbench 9, radial loaded cylinder 10, bilateral sliding block 11, right side limit switch 12, axially loaded gas
Cylinder 13, three direction force snesors 14；
The rigidity of pedestal 1 is much larger than tested line slideway auxiliary 6, and loading beam 2,5 has the indeformable ability of heavy duty, driving
Motor and gear 3 use stepping motor or AC servo motor, and left side limit switch 4 and right side limit switch 12 use
The mechanical limit switch of high sensitivity and good reliability, rack 7 coordinate with gear 3, are responsible for driving bilateral guide rail 6 back and forth to run,
Vertical loading cylinder 8, axially loaded cylinder 13, when carrying out line slideway abrasion and precision degradation experiment, workbench is fixed
Motionless, the active force of axially loaded cylinder 13 is zero.When carrying out working table movement, transported using rope traction workbench
Dynamic, the telescoping cylinder (dynamic cylinder) of axially loaded cylinder can apply load (i.e. telescoping cylinder all the time to the workbench 9 in movement at this time
Withstand on always on workbench), load mode can be that unidirectional loading can also be biaxial loadings.Radial loaded cylinder 10 is all provided with
There are accumulator and overflow valve etc. to start attached original paper, accumulator can guarantee that applies constant load within a period of time.
The workbench 9 of the present invention is fixedly connected relative to pedestal 1, and is changed between the two without relative displacement,
Bilateral sliding block 11, three direction force snesors 14 are used to detect the stressing conditions of four bilateral sliding blocks 6 operationally, in order to establish
The wear model of guide rail.
Specific detection method process is as follows：
Step 1：Guide rail is bilateral sliding block line slideway auxiliary, and whole line slideway auxiliary is installed on into stud, centre
Rack, line slideway auxiliary drive line slideway auxiliary back and forth to run by rack-and-pinion (or passing through belt) by motor；
Step 2：Load cylinder and select and process the consistent loading data of operating mode with actual milling machine, can and meanwhile three directions at the same time
Loading also can it is optionally a certain to or two to separated loading, load cylinder and be equipped with accumulator and pressure retaining valve, overflow valve etc., Ke Yibao
Demonstrate,prove the stationarity of loading procedure；
Step 3：Bilateral guide rail is installed, adjusts guide rail limit-switch positions, firing test platform carries out no-load at a high speed
Running-in is run；
Step 4：Load high speed running-in experiment, bearing when test load is above ball screw assembly, normal use are carried out
Carry, i.e., more than maximum rated dynamic loading 10%；
Step 5：The detection data obtained according to above-mentioned steps are analyzed, and show that lathe line slideway auxiliary accelerated wear test is moved back
Change related law.
In addition, it is real to do i.e. dry friction of the interorbital without any lubricant medium of dry friction experiment using testing stand of the present invention
Test, the wet friction experiment of oil lubrication WATER AS FLOW MEDIUM or oil film can also be done.
After testing, the present apparatus solves loading device in line slideway auxiliary wear test and cannot synchronously be transported with workbench
The defects of row causes error information detection big, not only easy to operate using the device of the invention, the preferable lathe straight line that reacts is led
The wear law of rail pair, has preferable directive significance to actual production.
Other technologies scheme of the present invention also has similar using effect.
Preferred embodiment of the invention described in detail above.It should be appreciated that the ordinary skill of this area is without wound
The property made work can conceive according to the present invention makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be in the protection domain being defined in the patent claims.
Claims (9)
1. a kind of device for detecting lathe line slideway auxiliary accelerated wear test deterioration law, it is characterised in that including upper and lower two groups of cunnings
Block and eight runner rails, wherein, upper group of sliding block connects three direction force snesors, and three direction force snesors are connected to work and put down
Platform, the following group sliding block connection pedestal.
2. device as claimed in claim 1, it is characterised in that the detection lathe line slideway auxiliary accelerated wear test deterioration law
Device, specifically include pedestal, axially loaded beam, driving motor and gear, left side limit switch, right side limit switch, it is vertical plus
Carrier beam, bilateral runner rails, rack, Vertical loading cylinder, workbench, radial loaded cylinder, bilateral sliding block, right side is spacing opens
Pass, axially loaded cylinder, three direction force snesors.
3. device as claimed in claim 2, it is characterised in that the runner rails are bilateral slide block guide rail, and side is consolidated with pedestal
Even, opposite side is fixedly connected with workbench.
4. device as claimed in claim 2, it is characterised in that the driving motor is the motor with speed change and commutation function；
Including stepping motor or AC servo motor.
5. device as claimed in claim 2, it is characterised in that the rack and pinion coordinates, and drives bilateral guide rail back and forth to run.
6. device as claimed in claim 2, it is characterised in that the workbench is fixedly connected by guide rail with pedestal, both
Between there is no relative displacement change.
7. device as claimed in claim 2, it is characterised in that the runner rails are axially reciprocal by driving device
Movement, the displacement distance of guide rail are limited by the limit switch of device both sides；The move mode of guide rail is transported to prolong axial reciprocating translation
OK, two bilateral runner rails are fixed together by connector, and connector is equipped with rack, and guide rail is by rack by servo electricity
Motivation drives；Normal direction and lateral load during experiment are applied on workbench by loading cylinder.
8. device as claimed in claim 2, it is characterised in that the detection lathe line slideway auxiliary accelerated wear test deterioration law
When device is run, workbench is loaded by three-dimensional cylinder respectively, workbench is with loading cylinder piston without phase during loading
To movement；Workbench carries out no-load experiment, unidirectional load test or both direction and applies load test at the same time.
9. device as claimed in claim 2, it is characterised in that the detection lathe line slideway auxiliary accelerated wear test deterioration law
When device is run, workbench is fixedly connected relative to pedestal, and is changed between the two without relative displacement, three direction force
Sensor is used to detect the stressing conditions of four bilateral sliding blocks operationally, and line slideway auxiliary is established by testing result data
Wear model；
The rigidity of pedestal is more than the rigidity of tested line slideway auxiliary, drives motor and gear to use stepping motor or exchange
Servomotor, left side limit switch and right side limit switch use mechanical limit switch or electric limit switch, rack and tooth
Wheel, which coordinates, drives bilateral guide rail back and forth to run, and workbench is fixed, and the active force of axially loaded cylinder is zero；
When carrying out workbench movement, moved using rope traction workbench, the telescoping cylinder of axially loaded cylinder is to fortune
Workbench in dynamic applies load all the time；Radial loaded cylinder is equipped with accumulator and overflow valve etc. and starts attached original paper, accumulation of energy
Device can guarantee that applies constant load within a period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810014883.XA CN108000236B (en) | 2018-01-08 | 2018-01-08 | Device for detecting accelerated wear degradation rule of machine tool linear guide rail pair |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810014883.XA CN108000236B (en) | 2018-01-08 | 2018-01-08 | Device for detecting accelerated wear degradation rule of machine tool linear guide rail pair |
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| CN108000236A true CN108000236A (en) | 2018-05-08 |
| CN108000236B CN108000236B (en) | 2020-11-27 |
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| CN108772749A (en) * | 2018-08-01 | 2018-11-09 | 成都飞机工业（集团）有限责任公司 | A kind of big stroke Longmen machine tool translation shaft segmentation rack adjustment accuracy detecting device |
| CN109823077A (en) * | 2019-04-01 | 2019-05-31 | 浩友夫(上海)机械有限公司 | For pasting tune rule device, the paste shell machine and its application method including tune rule device of shell machine |
| CN110842644A (en) * | 2019-11-09 | 2020-02-28 | 北京工业大学 | Method for monitoring contact stiffness degradation rate of machine tool moving part based on numerical control load information |
| CN111044242A (en) * | 2019-12-30 | 2020-04-21 | 哈尔滨工业大学 | Rigidity detection device and detection method for main shaft and guide rail of ultra-precise fly-cutting machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772749A (en) * | 2018-08-01 | 2018-11-09 | 成都飞机工业（集团）有限责任公司 | A kind of big stroke Longmen machine tool translation shaft segmentation rack adjustment accuracy detecting device |
| CN108772749B (en) * | 2018-08-01 | 2023-10-03 | 成都飞机工业（集团）有限责任公司 | Large-stroke gantry machine tool translational shaft sectional rack assembling and adjusting precision detection device |
| CN109823077A (en) * | 2019-04-01 | 2019-05-31 | 浩友夫(上海)机械有限公司 | For pasting tune rule device, the paste shell machine and its application method including tune rule device of shell machine |
| CN109823077B (en) * | 2019-04-01 | 2024-02-20 | 浩友夫(上海)机械有限公司 | Gauge adjusting device for shell pasting machine, shell pasting machine comprising gauge adjusting device and use method of gauge adjusting device |
| CN110842644A (en) * | 2019-11-09 | 2020-02-28 | 北京工业大学 | Method for monitoring contact stiffness degradation rate of machine tool moving part based on numerical control load information |
| CN110842644B (en) * | 2019-11-09 | 2021-02-02 | 北京工业大学 | Method for monitoring contact stiffness degradation rate of machine tool moving part based on numerical control load information |
| CN111044242A (en) * | 2019-12-30 | 2020-04-21 | 哈尔滨工业大学 | Rigidity detection device and detection method for main shaft and guide rail of ultra-precise fly-cutting machine tool |
| CN111044242B (en) * | 2019-12-30 | 2021-09-28 | 哈尔滨工业大学 | Rigidity detection device and detection method for main shaft and guide rail of ultra-precise fly-cutting machine tool |
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