CN1583361A - Angle displacement measuring device of cutting tool - Google Patents
Angle displacement measuring device of cutting tool Download PDFInfo
- Publication number
- CN1583361A CN1583361A CN 200410041230 CN200410041230A CN1583361A CN 1583361 A CN1583361 A CN 1583361A CN 200410041230 CN200410041230 CN 200410041230 CN 200410041230 A CN200410041230 A CN 200410041230A CN 1583361 A CN1583361 A CN 1583361A
- Authority
- CN
- China
- Prior art keywords
- cutting tool
- angle displacement
- pulse signal
- microprocessor
- analog
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
An angle displacement measurer for cutting tool is composed of drive mechansm, pulse signal generator, the first A/D converter, electric parameter varying unit, the second A/D converter, microprocessor and digital display.
Description
Technical field
The present invention relates to a kind of angle displacement measurement device that is used for cutting tool, especially relevant a kind of angle displacement measurement device that utilizes the displacement of pulse signal measured angular and be shown in display device with the form of numeral.
Background technology
Existing mechanical machining tool (lathe) is when processing (for example cut sth. askew and cut) by certain angle to workpiece, the measurement of angle and showing normally mechanically realizes: the bracing frame that working head is installed drives needle deflection in the display dial by gear train and measures and show machining angle when workpiece rotates.For example, the measurement of the relative base anglec of rotation of diagonal cutting saw worktable is achieved in that worktable upper surface is provided with a pointer, base upper surface is provided with scale near the part of pointer, the relative base rotation of worktable, pointer is scale rotation relatively also, and the scale of pointed is the angle of the relative base rotation of worktable.Yet this mechanically the measurement has two point defects: (one) pointer angles of display is directly perceived inadequately, needs artificial number number during the reading non integer value; (2) angle of general pointer rotation is suitable with actual machining angle, does not have the means of measurement by magnification, so the raising space of its measuring accuracy is very limited.In view of the above-mentioned shortcoming that prior art exists, we are necessary to design a kind of new angle displacement measurement device that is used for cutting tool, make operation more directly perceived, and can significantly improve measuring accuracy according to real needs.
Summary of the invention
The object of the present invention is to provide a kind of angle displacement measurement device that is used for cutting tool, the angle of its measurement is directly perceived.
The object of the present invention is achieved like this: the angle displacement measurement device that is used for cutting tool of the present invention comprises gear train, pulse signal generation device, first analog-to-digital conversion module, variable electrical quantity device, second analog-to-digital conversion module, zero clearing device, microprocessor, display device.Gear train passes to pulse signal generation device by a certain percentage to angular displacement to be measured, the pulse signal that pulse signal generation device just produces respective numbers (can pass through to adjust the ratio of gear of gear train in response to different accuracy requirements, change the quantity that the corresponding equal angular displacement of pulse signal generation device produces pulse signal, so the demand of can answering significantly improves measuring accuracy), pulse signal is sent to first analog-to-digital conversion module, and first analog-to-digital conversion module changes into the pulse signal digital signal and sends microprocessor to; Gear train is passed to variable electrical quantity device to aforementioned angle displacement by a certain percentage, thereby the electrical quantity that changes variable electrical quantity device changes the voltage or the current value of circuit, and this voltage or current value change into digital signal and are sent to microprocessor by second analog-to-digital conversion module; Microprocessor carries out computing to aforementioned two signals according to certain rule (calculation procedure that the programmer writes according to circuit characteristic and ratio of gear), and exports operation result to numeric display unit.Initialization is of the present invention when being used for the angle displacement measurement device of cutting tool, guarantees that earlier angle displacement is zero, again by the operation result zero clearing of zero clearing device with microprocessor.
The invention has the beneficial effects as follows that the angle intuitive display and the demand of can answering significantly improve measuring accuracy.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is equipped with the front view of inclined cutting saw that the present invention is used for the angle displacement measurement device of cutting tool.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is equipped with the vertical view of inclined cutting saw that the present invention is used for the angle displacement measurement device of cutting tool.
Fig. 4 is the enlarged drawing of the transparent plate of the present invention's angle displacement measurement device of being used for cutting tool.
Fig. 5 is the enlarged drawing of the optical reflective disk of the present invention's angle displacement measurement device of being used for cutting tool.
Fig. 6 is the circuit block diagram that the present invention is used for the angle displacement measurement device of cutting tool.
Wherein:
10. base; 11. worm gear;
20. worktable; 21. axle sleeve; 22. first; 23. worm screw;
30. corner support; 31. guide rail supporting frame;
40. guide rail;
50. guard shield;
60. bracing frame; 61. second; 62. the 3rd; 63. first gear; 64. second gear;
65. transparent plate; 651. transmittance section;
66. photo electric sensitive element; 661. light emission part; 662. photoinduced part;
67. fixed mount; 68. variable resistor;
70.LED display screen; 71. microprocessor; 72. second analog-to-digital conversion module; 73. first analog-to-digital conversion module; 74. variable electrical quantity device; 75. zero clearing device; 76. pulse signal generation device;
Embodiment
In the present embodiment, the angle displacement measurement device that is used for cutting tool is mounted in inclined cutting saw, is used to measure and the angle that shows worktable 20 relative base 10 rotations.
Please join Fig. 1 to Fig. 4, inclined cutting saw is made of base 10, worktable 20, corner support 30, guide rail 40, guard shield 50, motor, wheel box and saw blade.Worktable 20 bottoms are extended axle sleeve 21, one worm gears 11 with stair-step appearance and are fixed in base, and axle sleeve 21 is contained in the center pit of worm gear 11, and the end difference of axle sleeve 21 is resisted against worm gear 11 tops, and first 22 is arranged in axle sleeve 21 and base 10.Worktable 20 bottoms are provided with a worm screw 23 that cooperates with worm gear 11, and rotary worm 23, worktable 20 be base 10 rotations relatively just.Corner support 30 can be articulated in worktable 20 rear ends with swinging, and corner support 30 1 ends are provided with guide rail supporting frame 31, and this guide rail supporting frame 31 is sheathed on a guide rail 40, but is slided in guide rail 40 relative rotation supports 30 front and back.Guard shield 50 can be articulated in the end of guide rail 40 near worktable 20 with swinging up and down, and motor, wheel box and saw blade are installed on the guard shield.
See also Fig. 2 Fig. 3 and Fig. 4, worktable 20 bottoms are provided with a bracing frame 60, this bracing frame 60 supports second 61 and the 3rd 62 respectively, second 61 1 end is provided with first gear 63, the 3rd 62 1 ends are provided with second gear, 64, the first gears 63 and mesh with the worm gear 11 and second gear 64 respectively.Rotary worm 23, worktable 20 rotates relative to base 10, because worm gear 111 relative bases 10 are fixed, so first gear 63 will rotate relative to worktable 20, rotates thereby drive second gear 64.The 3rd 62 other end at relative second gear 64 is provided with transparent plate 65, and transparent plate 65 is to be provided with a plurality of transmittance sections 651 equably on the circumference in the center of circle along the point on the 3rd 62 axial lines.One photo electric sensitive element 66 is fixed on worktable 20 bottoms, comprise light emission part 661 and photoinduced part 662, light emission part 661 and photoinduced part 662 lay respectively at the upper and lower that transparent plate 65 is provided with the circumference of transmittance section 651, and the line of light emission part 661 and photoinduced part 662 is parallel to the 3rd 62 axis.Photoinduced part 662 receives light, and photo electric sensitive element 66 will send a high level electric signal, and photoinduced part 662 does not receive light, and photo electric sensitive element 66 will send a low level electric signal.Second gear 64 rotates and drives the 3rd 62 rotation, the 3rd is rotated drive transparent plate 65 and rotates, the light that light emission part 661 is launched will pass transparent plate or be blocked the photo electric sensitive element 66 corresponding square wave of being made up of high and low level electrical signal, the i.e. pulse signals of sending by transparent plate in the compartment of terrain.If the ratio of gear between the worm gear 11 and second gear is μ, worktable 20 turns over an angle [alpha], and transparent plate 65 will turn over a corresponding angle beta,
β＝α/μ，
Photo electric sensitive element 66 will send the pulse signal of respective numbers, plays the effect of pulse signal generation device 76.
Please join Fig. 6, the pulse signal that photo electric sensitive element 66 produces is transferred into first analog-to-digital conversion module 73, pulse signal changes into digital signal through first analog-to-digital conversion module 73 and is sent to first port of microprocessor 71, whenever receive a pulse signal, microprocessor 71 is counting " 1 " just; Rotating the same potentiometer 68 that drives for the 3rd 62 rotates, as variable electrical quantity device 74 the resistance value of potentiometer 68 change, the corresponding variation just takes place in the magnitude of voltage on the potentiometer 68, this magnitude of voltage is sent to second analog-to-digital conversion module 72, magnitude of voltage is changed into digital signal and be sent to microprocessor 71 second ports, thereby microprocessor 71 is compared existing magnitude of voltage and magnitude of voltage before and is judged the 3rd 62 sense of rotation, and the computing of decision pulse signals is "+" or "-"; Microprocessor 71 according to certain rule (according to pulse number and angular displacement concern institute's written program) carry out computing, and operation result is sent to LED display 70, LED display 70 shows the angle [alpha] that worktable 20 relative bases 10 rotate.The pulse signal that first analog-to-digital conversion module 73 sends photo electric sensitive element 66 changes into the signal that microprocessor 71 can be discerned and handle, and second analog-to-digital conversion module 72 changes into the signal that microprocessor 71 can be discerned and handle to magnitude of voltage on the potentiometer 68 or the current value by potentiometer 68.
Before the use, earlier worktable 20 being rotated to relative base 10 angles is zero position, starts zero clearing device 75, and zero clearing device 75 sends three port of a reset signal to microprocessor 71, and the counting that makes microprocessor 71 is zero.
The number of teeth that increases worm gear 11 is or/and reduce the number of teeth of second gear 64, can under the situation of worktable 20 rotations one equal angular, amplify the angle of transparent plate 65 rotations, therefore, 66 pairs of photo electric sensitive elements should equal angular produce than multipulse signal, thereby improve measuring accuracy.
Wherein, transparent plate in the present embodiment 65 and direct-injection type photo electric sensitive element 66 can substitute with optical reflective disk in the accompanying drawing 5 and reflection-type photoelectric sensing element.Pulse signal generation device can adopt any element that can produce pulse signal such as Hall element to substitute.68 in potentiometer can with any energy by changing self-resistance or/and the variable electrical quantity device of electric capacity electric current or/and thereby inductance can change circuit voltage substitute.
Claims (6)
1. angle displacement measurement device that is used for cutting tool, it is characterized in that: it comprises gear train, pulse signal generation device (76), first analog-to-digital conversion module (73), variable electrical quantity device (74), second analog-to-digital conversion module (72), zero clearing device (75), microprocessor (71) and LED display (70); Pulse signal generation device (76) and variable electrical quantity device (74) are by the rotatable components interlock of gear train and cutting tool; Pulse signal generation device (76) is electrically connected with first analog-to-digital conversion module (73), and first analog-to-digital conversion module (73) is electrically connected with a port of microprocessor (71); Variable electrical quantity device (74) is electrically connected with second analog-to-digital conversion module (72), and second analog-to-digital conversion module (72) is electrically connected with the another port of microprocessor (71); Zero clearing device (75) is electrically connected with the 3rd port of microprocessor (71); The 4th port of microprocessor (71) is electrically connected with LED display (70).
2. the angle displacement measurement device that is used for cutting tool according to claim 1 is characterized in that: wherein, described pulse signal generation device (76) is a photo electric sensitive element.
3. the angle displacement measurement device that is used for cutting tool according to claim 1 is characterized in that: wherein, described pulse signal generation device (76) is a Hall element.
4. the angle displacement measurement device that is used for cutting tool according to claim 1 is characterized in that: wherein, described variable electrical quantity device (74) is a variable resistor.
5. the angle displacement measurement device that is used for cutting tool according to claim 1 is characterized in that: wherein, described variable electrical quantity device (74) is a variable capacitance.
6. the angle displacement measurement device that is used for cutting tool according to claim 1 is characterized in that: wherein, described variable electrical quantity device (74) is a variable inductance.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410041230 CN1583361A (en) | 2004-06-08 | 2004-06-08 | Angle displacement measuring device of cutting tool |
| CN 200520109409 CN2768938Y (en) | 2004-06-08 | 2005-05-27 | Bench type annular saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410041230 CN1583361A (en) | 2004-06-08 | 2004-06-08 | Angle displacement measuring device of cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1583361A true CN1583361A (en) | 2005-02-23 |
Family
ID=34601564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410041230 Pending CN1583361A (en) | 2004-06-08 | 2004-06-08 | Angle displacement measuring device of cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1583361A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211294A (en) * | 2010-04-12 | 2011-10-12 | 株式会社森精机制作所 | Apparatus for and method of measuring workpiece on machine tool |
-
2004
- 2004-06-08 CN CN 200410041230 patent/CN1583361A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211294A (en) * | 2010-04-12 | 2011-10-12 | 株式会社森精机制作所 | Apparatus for and method of measuring workpiece on machine tool |
| CN102211294B (en) * | 2010-04-12 | 2014-12-31 | 德马吉森精机株式会社 | Apparatus for and method of measuring workpiece on machine tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE10238640B4 (en) | Multi-turn angle measuring device | |
| CN1076840C (en) | Multigit counting wheel mechanism for a volume-measuring instrument | |
| CN100526844C (en) | Testing device for press pressure of press-button of lighter and performance curve of press pressure with displacement | |
| CN2768938Y (en) | Bench type annular saw | |
| CN1583361A (en) | Angle displacement measuring device of cutting tool | |
| EP3803279A1 (en) | Linear and rotary multitrack absolute position encoder and methods using the same | |
| JPS626127A (en) | Spectrophotometer | |
| CN87208774U (en) | Cam shaft tester | |
| CN1746657A (en) | Optical parameter absolute value measuring device and method thereof | |
| CN209166401U (en) | A kind of planetary gear number of teeth detection machine | |
| CN1928512A (en) | Grating electronic counting pulse generator for fine gas meter | |
| US4711034A (en) | Electronic measuring device | |
| CN1800796A (en) | Apparatus for detecting press palm force of coarse yarn spindle wing | |
| CN209069824U (en) | A kind of spectrophotometer grating drive system | |
| CN109520460A (en) | A kind of planetary gear number of teeth detection machine | |
| CN207095536U (en) | A kind of thickness meter for optical film | |
| CN220153570U (en) | Road gradient detection device | |
| CN201016873Y (en) | Pressing force of lighter press-button, pressing force and displacement characteristic curve detecting apparatus | |
| CN2068035U (en) | High-resolution universal photoelectric digital display dividing head | |
| JP2001108407A (en) | Method and device for multiple detection of photoelectron signal | |
| CN208139984U (en) | A kind of digital display type worm screw stroke measuring device | |
| CN109187402A (en) | A kind of spectrophotometer grating drive system | |
| CN111999053A (en) | Spiral bevel gear single-face meshing detection device and method | |
| CN200968861Y (en) | Non-contact direct-reading meter | |
| CN221037318U (en) | Prism angle measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |