CN203965031U - Ultrasonic vibration cutting edge roundness amplitude measuring apparatus - Google Patents
Ultrasonic vibration cutting edge roundness amplitude measuring apparatus Download PDFInfo
- Publication number
- CN203965031U CN203965031U CN201420426039.5U CN201420426039U CN203965031U CN 203965031 U CN203965031 U CN 203965031U CN 201420426039 U CN201420426039 U CN 201420426039U CN 203965031 U CN203965031 U CN 203965031U
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- cutting edge
- spring
- ultrasonic vibration
- measuring apparatus
- linear bearing
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- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of ultrasonic vibration cutting edge roundness amplitude measuring apparatus, comprise measurement anvil, driving stem, front linear bearing, stroke baffle, spring, limited block, retaining sleeve, spring-support plate, rear linear bearing, linear inductance coil, permanent magnet, direct supply, inductance measurement chip, analog to digital converter, display screen and shell, after ultrasonic vibration vibration cutting, its front terminal knife edge promotes to measure anvil, driving stem and permanent magnet, due to the movement of permanent magnet, the inductance of linear inductance coil changes, its inductance simulating signal is converted to digital signal by analog to digital converter after inductance measurement chip is measured, and show output by display screen after being converted to the amplitude that cutting tool cutting edge is corresponding, this ultrasonic vibration cutting edge roundness amplitude measuring apparatus is simple in structure, with low cost, easy to use, measuring accuracy is high, solve existing ultrasonic vibration cutting edge roundness amplitude and be difficult to the problem of measuring.
Description
Technical field
The utility model relates to amplitude of ultrasonic vibration field of measuring technique, especially relates to a kind of measurement mechanism for ultrasonic vibration cutter keen edge amplitude.
Background technology
Ultrasonic cut is to utilize excess sound pressure electric transducer to drive cutting tool to produce the vibration of ultrasonic frequency, and collision and impact energy are delivered to and are cut medium, is cut the tired fragmentation of dielectric material and reaches a novel process technology of cutting object thereby cause.Ultrasonic cut can be more effectively, processing is more accurately if carbon fiber, glass fibre, Kafra fiber, various cellular composite material and hard brittle material are as optical glass, silicon crystal, pottery etc.In addition, ultrasonic cut technology while vibration with certain ultrasonic frequency due to the cutting tool contacting with biological tissue, can make water vapor in biological tissue, albumen hydrogen bond rupture, cell disruption, tissue be cut open, solidify and seal little blood vessel, so can apply to again on medical surgery operation tool.At present, ultrasonic cut technology has been widely used in the fields such as medical treatment, Aero-Space, chemical industry, agricultural, food and machinery.
In ultrasonic cut processing, in the situation that other conditions are constant, the amplitude of cutting tool is larger, the conversion efficiency of excess sound pressure electric transducer is higher, and the amplitude that increases cutting tool can improve the speed of cutting processing, therefore in ultrasonic cut processing, the amplitude of cutting edge roundness is one of important indicator of cutting tool performance, but cutting tool cutting edge is sharper comparatively speaking, cutting edge area is less, and the measurement of cutting edge normal direction amplitude becomes an insoluble problem.The measuring method of amplitude has physical observation method, optical method, electrometric method etc. at present, but these methods have certain limitation to the measurement of the less cutting edge amplitude of sharp area, uses physical observation method to be difficult to produce hot spot at cutting edge, is difficult to observe.Use optical method, have no idea to obtain reflected light at cutting edge, cannot measure, use electrometric method, precision is higher, but cost is also higher.
Summary of the invention
The utility model provides a kind of novel ultrasonic vibration cutting edge roundness amplitude measuring apparatus, and object is the problem in order to solve current ultrasonic vibration cutting edge roundness amplitude measurement difficulty.
Ultrasonic vibration cutting edge roundness amplitude measuring apparatus, this device comprises measures anvil, driving stem, front linear bearing, stroke baffle, spring, limited block, retaining sleeve, spring-support plate, rear linear bearing, linear inductance coil, permanent magnet, direct supply, inductance measurement chip, analog to digital converter, display screen and shell, measuring anvil front end is plane, measuring anvil and driving stem coaxially arranges, measure anvil by welding or the bonding driving stem front end that is installed in, measurement anvil is Hardmetal materials, wolfram steel material or diamond.
Permanent magnet and driving stem coaxially arrange, by the bonding driving stem rear end that is installed in, front linear bearing, stroke baffle, spring and rear linear bearing successively coaxial sleeve are located on driving shaft, the internal diameter of front linear bearing and rear linear bearing contacts with the external diameter of driving stem, and the friction force of front linear bearing internal diameter and rear linear bearing internal diameter and driving stem external diameter is all less than 0.01
n, front linear bearing and the external diameter of rear linear bearing and the internal diameter of retaining sleeve contact, and stroke baffle is fixed on driving shaft, and stroke baffle and driving shaft are integrated.
Limited block and spring-support plate are fixed on retaining sleeve, the internal diameter of limited block is less than the external diameter of stroke baffle, the external diameter of stroke baffle is greater than the central diameter of spring, the central diameter of spring is greater than the internal diameter of spring-support plate, spring at front end and stroke baffle contact, spring rear end and spring-support plate contact, and the elasticity coefficient of spring is 0.0001
n/mm~ 0.5
n/mmbetween.Limited block is used for limiting the displacement of stroke baffle, and then the maximum compression distance of restraining spring, and spring-support plate is used for the rear end of restricted spring.Linear inductance coil and retaining sleeve coaxially arrange, and linear inductance coil is by being adhesively fixed on retaining sleeve, and shell and retaining sleeve are linked together.
Direct supply, inductance measurement chip and analog to digital converter are installed in the enclosure, display screen is installed on shell, direct supply is connected with linear inductance coil and display screen respectively by wire, the measurement signal line of linear inductance coil and inductance measurement chip are connected, inductance measurement chip is connected by signal wire and analog to digital converter, and analog to digital converter is connected by signal wire and display screen.Direct supply is to linear inductance coil supply electric energy, and to display screen supply electric energy, when when measuring anvil and the position of the joining permanent magnet of driving stem in linear telefault and change, there is corresponding variation in the inductance of linear inductance coil, inductance measurement chip collects after the inductance value of linear inductance coil, transfer to analog to digital converter by signal wire value size, after analog to digital conversion, the shift value of display measurement anvil on display screen in digital form.
When use, measure the axial direction of anvil and the cutting edge normal direction of ultrasonic cut cutter and coincide, first allow cutting edge roundness contact with measurement anvil, then Compress Spring makes to measure anvil and retreats 1
mmleft and right, if now display screen reading is Z1, then open ultrasonic vibration system, make cutter start to carry out ultrasonic vibration and reach resonant condition, now measure anvil and promoted again to retreat certain distance by ultrasonic vibration cutting edge roundness, cutting edge roundness is stabilized in its peak swing position, because the inertia of spring system is larger, low-response, f1 is 1000 for its natural frequency
hzin, and the vibration frequency f2 of ultrasonic vibration cutter is 20000
hzabove, f2>>f1, the dynamic change of therefore measuring anvil presents sluggish steady state (SS), measure anvil under the effect of cutting tool cutting edge ultrasonic vibration surging force, the position of measuring anvil remains unchanged, be stationary state, now display screen reading is Z2, and therefore the amplitude of cutting tool cutting edge is A=Z2-Z1.
This ultrasonic vibration cutting edge roundness amplitude measuring apparatus is simple in structure, measurement is convenient, precision is high, cost is low, it is less to efficiently solve ultrasonic cut cutter cutting edge area, and cutting edge normal direction amplitude is difficult to the problem of measuring.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is application example schematic diagram of the present utility model.
Number in the figure explanation: 1. measure anvil, 2. driving stem, 3. front linear bearing, 4. stroke baffle, 5. spring, 6. limited block, 7. retaining sleeve, 8. spring-support plate, 9. rear linear bearing, 10. linear inductance coil, 11. permanent magnets, 12. direct supplys, 13. inductance measurement chips, 14. analog to digital converters, 15. shells, 16. display screens, 17. cutters, 18. cutting edge roundnesses.
Embodiment
Shown in Fig. 1, ultrasonic vibration cutting edge roundness amplitude measuring apparatus comprises measures anvil 1, driving stem 2, front linear bearing 3, stroke baffle 4, spring 5, limited block 6, retaining sleeve 7, spring-support plate 8, rear linear bearing 9, linear inductance coil 10, permanent magnet 11, direct supply 12, inductance measurement chip 13, analog to digital converter 14, display screen 16 and shell 15, measuring anvil 1 is wolfram steel material, front end is plane, coaxial with driving stem 2, be installed in driving stem 2 front ends by welding.
Permanent magnet 11 coaxially arranges with driving stem 2, by bonding driving stem 2 rear ends that are installed in, front linear bearing 3, stroke baffle 4, spring 5 and rear linear bearing 9 successively coaxial sleeve are located on driving shaft, the internal diameter of front linear bearing 3 and rear linear bearing 9 contacts with the external diameter of driving stem 2, and the friction force of front linear bearing 3 internal diameters and rear linear bearing 9 internal diameters and driving stem 2 external diameters is 0.0006
nthe external diameter of front linear bearing 3 and rear linear bearing 9 contacts with the internal diameter of retaining sleeve 7, stroke baffle 4 is fixed on driving shaft, stroke baffle 4 and driving shaft are integrated, spring 5 front ends and stroke baffle 4 contact, spring 5 rear ends and spring-support plate 8 contact, and the elasticity coefficient of spring 5 is 0.002
n/mm.
Limited block 6 is fixed on retaining sleeve 7, the internal diameter of limited block 6 is less than the external diameter of stroke baffle 4, the external diameter of stroke baffle 4 is greater than the central diameter of spring 5, the central diameter of spring 5 is greater than the internal diameter of spring 5 back up pads, limited block 6 is used for limiting the displacement of stroke baffle 4, and then the maximum compression distance of restraining spring 5, spring-support plate 8 is used for the rear end of restricted spring 5.Linear inductance coil 10 coaxially arranges with retaining sleeve 7, and linear inductance coil 10 is by being adhesively fixed on retaining sleeve 7, and shell 15 is linked together with retaining sleeve 7.
Direct supply 12, inductance measurement chip 13 and analog to digital converter 14 are installed in shell 15, display screen 16 is installed on shell 15, direct supply 12 is connected with linear inductance coil 10 and display screen 16 respectively by wire, the measurement signal line of linear inductance coil 10 and inductance measurement chip 13 are connected, inductance measurement chip 13 is connected by signal wire and analog to digital converter 14, and analog to digital converter 14 is connected by signal wire and display screen 16.Direct supply 12 is supplied electric energy to linear inductance coil 10, and supply electric energy to display screen 16, when when measuring anvil 1 and the position of the joining permanent magnet 11 of driving stem 2 in linear telefault 10 and change, there is corresponding variation in the inductance of linear inductance coil 10, inductance measurement chip 13 collects after the inductance value of linear inductance coil 10, transfer to analog to digital converter 14 by signal wire value size, after analog to digital conversion, the shift value of display measurement anvil 1 on display screen 16 in digital form.
Shown in Fig. 2, when work, measure the axial direction of anvil 1 and the cutting edge normal direction of ultrasonic cut cutter 17 and coincide, first allow cutting edge roundness 18 contact with measurement anvil 1, then Compress Spring 5 makes to measure anvil 1 and retreats 1
mm, establishing now display screen 16 readings is Z1=1.0000
mm, then open ultrasonic vibration system, make cutter 17 start to carry out ultrasonic vibration and reach resonant condition, cutter 17 vibration frequencies are 22.3k
hz, now to measure anvil 1 and promoted to retreat again certain distance by ultrasonic vibration cutting edge roundness 18, cutting edge roundness 18 is stabilized in its peak swing position, and now display screen 16 readings are Z2=1.0623
mm, therefore the amplitude of cutting tool cutting edge 18 is A=Z2-Z1=1.0623
mm-1.0000
mm=0.0623
mm=62.3
um.
Claims (9)
1. ultrasonic vibration cutting edge roundness amplitude measuring apparatus, this device comprises measurement anvil, driving stem, front linear bearing, stroke baffle, spring, limited block, retaining sleeve, spring-support plate, rear linear bearing, linear inductance coil, permanent magnet, direct supply, inductance measurement chip, analog to digital converter, display screen and shell, it is characterized in that: measuring anvil front end is plane, measure anvil coaxial and be installed in driving stem front end with driving stem, permanent magnet is coaxial and be installed in driving stem rear end with driving stem, front linear bearing, stroke baffle, spring and rear linear bearing successively coaxial sleeve are located on driving shaft, the internal diameter of front linear bearing and rear linear bearing contacts with the external diameter of driving stem, the friction force of front linear bearing internal diameter and rear linear bearing internal diameter and driving stem external diameter is all less than 0.01
nthe external diameter of front linear bearing and rear linear bearing contacts with the internal diameter of retaining sleeve, stroke baffle is fixed on driving shaft, limited block and spring-support plate are fixed on retaining sleeve, and the internal diameter of limited block is less than the external diameter of stroke baffle, and the external diameter of stroke baffle is greater than the central diameter of spring, the central diameter of spring is greater than the internal diameter of spring-support plate, spring at front end and stroke baffle contact, and spring rear end and spring-support plate contact, and the elasticity coefficient of spring is 0.0001
n/mm~ 0.5
n/mmbetween, linear inductance coil and retaining sleeve coaxially arrange and are fixed on retaining sleeve, shell and retaining sleeve are linked together, direct supply, inductance measurement chip and analog to digital converter are installed in the enclosure, display screen is installed on shell, direct supply is connected by wire and linear inductance coil and display screen, the measurement signal line of linear inductance coil and inductance measurement chip are connected, inductance measurement chip is connected by signal wire and analog to digital converter, and analog to digital converter is connected by signal wire and display screen.
2. ultrasonic vibration cutting edge roundness amplitude measuring apparatus according to claim 1, is characterized in that: described measurement anvil is Hardmetal materials.
3. ultrasonic vibration cutting edge roundness amplitude measuring apparatus according to claim 1, is characterized in that: described measurement anvil is diamond.
4. ultrasonic vibration cutting edge roundness amplitude measuring apparatus according to claim 1, is characterized in that: described measurement anvil is wolfram steel material.
5. ultrasonic vibration cutting edge roundness amplitude measuring apparatus according to claim 1, is characterized in that: described measurement anvil is welded on driving shaft front end.
6. ultrasonic vibration cutting edge roundness amplitude measuring apparatus according to claim 1, is characterized in that: described measurement anvil is bonded in driving shaft front end.
7. ultrasonic vibration cutting edge roundness amplitude measuring apparatus according to claim 1, is characterized in that: described permanent magnet is bonded in driving shaft rear end.
8. ultrasonic vibration cutting edge roundness amplitude measuring apparatus according to claim 1, is characterized in that: described stroke baffle and driving shaft are integrated.
9. ultrasonic vibration cutting edge roundness amplitude measuring apparatus according to claim 1, is characterized in that: described linear inductance coil is bonded in retaining sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420426039.5U CN203965031U (en) | 2014-07-31 | 2014-07-31 | Ultrasonic vibration cutting edge roundness amplitude measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420426039.5U CN203965031U (en) | 2014-07-31 | 2014-07-31 | Ultrasonic vibration cutting edge roundness amplitude measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203965031U true CN203965031U (en) | 2014-11-26 |
Family
ID=51925597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420426039.5U Withdrawn - After Issue CN203965031U (en) | 2014-07-31 | 2014-07-31 | Ultrasonic vibration cutting edge roundness amplitude measuring apparatus |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101422A (en) * | 2014-07-31 | 2014-10-15 | 苏州科技学院 | Device for measuring cutting edge amplitude of ultrasonic vibrating cutter |
| CN114888637A (en) * | 2022-05-18 | 2022-08-12 | 北京航空航天大学 | Device and method for measuring amplitude of ultrasonic cutter under load condition |
| RU2792745C1 (en) * | 2022-09-14 | 2023-03-23 | Общество С Ограниченной Ответственностью "Башкирская Генерирующая Компания" ("Ооо "Бгк") | Stationary system for measuring vibration parameters of contact rings of turbogenerator brush-contact apparatus |
-
2014
- 2014-07-31 CN CN201420426039.5U patent/CN203965031U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101422A (en) * | 2014-07-31 | 2014-10-15 | 苏州科技学院 | Device for measuring cutting edge amplitude of ultrasonic vibrating cutter |
| CN104101422B (en) * | 2014-07-31 | 2016-08-24 | 苏州科技学院 | Supersonic vibration cutting edge roundness amplitude measuring apparatus |
| CN114888637A (en) * | 2022-05-18 | 2022-08-12 | 北京航空航天大学 | Device and method for measuring amplitude of ultrasonic cutter under load condition |
| RU2792745C1 (en) * | 2022-09-14 | 2023-03-23 | Общество С Ограниченной Ответственностью "Башкирская Генерирующая Компания" ("Ооо "Бгк") | Stationary system for measuring vibration parameters of contact rings of turbogenerator brush-contact apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141126 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |