CN201034565Y - Space cam wheel division mark transmission mechanism division mark accuracy measuring apparatus - Google Patents
Space cam wheel division mark transmission mechanism division mark accuracy measuring apparatus Download PDFInfo
- Publication number
- CN201034565Y CN201034565Y CN 200720036197 CN200720036197U CN201034565Y CN 201034565 Y CN201034565 Y CN 201034565Y CN 200720036197 CN200720036197 CN 200720036197 CN 200720036197 U CN200720036197 U CN 200720036197U CN 201034565 Y CN201034565 Y CN 201034565Y
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- Prior art keywords
- graduation
- transmission device
- cam
- computing machine
- data acquisition
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Abstract
The utility model discloses an indexing precision measuring instrument of a spatial cam indexing transmission, comprising a frequency converter, a motor, a flexible axis connecting device, a round light shed encoder, a data acquisition board and a computer. The frequency converter which is used to regulate and control the motor speed is connected with the motor. The output shaft of the motor is connected with the input shaft of the cam indexing transmission measured through a belt. The output shaft of the cam indexing transmission measured is connected with the input shaft of the round light shed encoder which is fixedly arranged through the flexible axis connecting device. The round light shed encoder is connected with the data acquisition board through a cable. The data acquisition board is connected with the computer, and the computer processes the data which is transported by the data acquisition board. The utility model can measure dynamic and static indexing precision of the cam indexing transmission, and also can display the measuring result conveniently and visually. So the utility model is a high precision indexing measuring device which is convenient, economy, practical and simple operation.
Description
One, technical field
The utility model relates to a kind of mechanical hook-up, is a kind of high precision angle displacement measurement instrument, specifically a kind of graduation precision measurer of space cam graduation transmission device.
Two, background technology
Along with developing rapidly of mechanical industry, the field of employment of cam more and more widely, cam is a vitals in the plant equipment, its precision directly has influence on the quality of whole plant equipment.This just has higher requirement to the precision of cam, and particularly the indexing accuracy of cam graduation transmission device seems particularly important.
The indexing accuracy of cam graduation transmission device is mainly guaranteed by the machining precision of numerically-controlled machine or machining center and assembly crewman's technical merit at present, after the assembling of cam graduation transmission device is finished, uses prism to detect its static indexing accuracy.The shortcoming of the indexing accuracy metering system of this cam graduation transmission device is: 1, measurement is very inconvenient, is not easy operation; 2 and, can only measure the static indexing accuracy of cam graduation transmission device, along with the speed of cam mechanism is more and more higher, running up down, whether the indexing accuracy of cam graduation transmission device has reached requirement, just can't measure.
Three, summary of the invention
In order to address the above problem, the purpose of this utility model is to provide a kind of high precision space cam graduation transmission device graduation precision measurer.This graduation precision measurer not only can be measured the static indexing accuracy of cam graduation transmission device, and can measure the dynamic indexing accuracy of cam graduation transmission device.And can make things convenient for, show test results intuitively, and can store, print relevant test data and result.
The purpose of this utility model is achieved through the following technical solutions:
A kind of space cam graduation transmission device graduation precision measurer, it is characterized in that: it comprises variable-frequence governor, motor, flexible coupling, disk light beam encoder, data acquisition board and computing machine, is used for regulating the variable-frequence governor of controlling motor speed and is connected with motor; The output shaft of motor is connected by the input shaft of belt with tested cam graduation transmission device; The output shaft of tested cam graduation transmission device is connected through the input shaft of flexible coupling with the disk light beam encoder that fixedly installs; Disk light beam encoder is connected with data acquisition board by cable, and the variation that disk light beam encoder will be justified grating response angular displacement is sent to data acquisition board by photosignal conversion output series of pulses signal and with pulse signal; Data acquisition board is connected with computing machine, and computing machine is handled the data that data acquisition board sends.
In the utility model, described disk light beam encoder is the high precision disk light beam encoder of 17200 line/circles, and this disk light beam encoder has adopted a times frequency splitting technology, and measuring accuracy is ± 0.5 "～3.5 ", can make things convenient for, show test results intuitively, and can store, print relevant test data and result.
Data acquisition board described in the utility model adopts high speed USB 2.0 interfaces to be connected with computing machine.Described computing machine is provided with display screen, and this display screen instant playback goes out the variation in angular displacement situation that tested cam graduation transmission device output shaft rotatablely moves.Described computing machine also is provided with the collection button, clicks this collection button acquisition angle displacement data immediately, and the generation backup data file also is kept in the computing machine.Computing machine is provided with analysis and processing module, this analysis and processing module is analyzed the data of gathering, draw indexing accuracy, stop precision and the mean value and the variance of each stay segment of one-period cam ring graduation transmission device, and draw out angular displacement, the angular velocity curve map of tested cam graduation transmission device.
The utility model is used photoelectric conversion technique and Computer Applied Technology, in conjunction with VC++6.0, having set up to justify grating is the big practical value of having of sensor, easy to operate quiet, the dynamic indexing accuracy measuring system of high precision space cam graduation transmission device again.Use user oriented Application Program Interface, can make things convenient for, show test results intuitively, and can store, print relevant test data and result.
Compared with prior art, the utility model has the advantages that: 1, not only can measure the static indexing accuracy of cam graduation transmission device, and can measure the dynamic indexing accuracy of cam graduation transmission device; 2, can make things convenient for, show test results intuitively, and can store, print relevant test data and result.
The utility model is a kind of convenience, precision round subsection precision measure instrument economic, practical and simple to operate.
Four, description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the process flow diagram that computing machine is analyzed data in the utility model.
Five, embodiment
Below in conjunction with accompanying drawing structure of the present utility model is described in further detail.
Referring to accompanying drawing, a kind of space cam graduation transmission device graduation precision measurer described in the utility model, it comprises variable-frequence governor 1, motor 2, flexible coupling 3, disk light beam encoder 4, data acquisition board 5 and computing machine 6.
Adopt variable-frequence governor 1 to regulate the rotating speed of control motor 2, the input shaft of tested cam graduation transmission device 8 is driven by belt 7 by motor 2, the output shaft of tested cam graduation transmission device 8 is connected through the input shaft of flexible coupling 3 with disk light beam encoder 4, disk light beam encoder 4 is high precision disk light beam encoders of 17200 line/circles, this disk light beam encoder 4 has adopted a times frequency splitting technology, measuring accuracy is ± 0.5 "～3.5 ", can make things convenient for, show test results intuitively, and can store, print relevant test data and result.Disk light beam encoder 4 is fixed on the support.Disk light beam encoder 4 is connected with data acquisition board 5 by cable, and data acquisition board 5 is connected with computing machine 6.When motor 2 uniform rotation, the output shaft of tested cam graduation transmission device 8 is done intermittently to rotate, by flexible coupling 3, disk light beam encoder 4 input shafts are rotated, the variation of circle grating response angular displacement in the disk light beam encoder 4, change by photosignal, output series of pulses signal, by cable data-signal is sent in the data acquisition board 5 again, data acquisition board 5 is connected by the USB2.0 interface with computing machine 6, computing machine 6 is provided with display screen 61, gather button and analysis and processing module, 6 pairs of data of surveying of computing machine are handled and are exported, and can on display screen 61, show the variation in angular displacement situation that current tested cam graduation transmission device 8 output shafts rotatablely move immediately, and click and gather button acquisition angle displacement data immediately, generate backup data file.The analysis and processing module of computing machine 6 can be analyzed the data of gathering, the process flow diagram that data are analyzed is seen Fig. 2, the initialization district that draws at first after the beginning, the initialization collector, image data then, the storage data, initiation parameter, determine initial steer again, determine zero point, determine the initial angle displacement, angular displacement and storage are calculated in pointwise again, draw the angular displacement line chart, finally obtain the indexing accuracy of each stay segment of one-period cam ring graduation transmission device, stop precision and mean value and variance, can also draw out the angular displacement of this mechanism, the angular velocity curve map.
Claims (6)
1. space cam graduation transmission device graduation precision measurer, it is characterized in that: it comprises variable-frequence governor (1), motor (2), flexible coupling (3), disk light beam encoder (4), data acquisition board (5) and computing machine (6), is used for regulating the variable-frequence governor (1) of controlling motor (2) rotating speed and is connected with motor (2); The output shaft of motor (2) is connected with the input shaft of tested cam graduation transmission device (8) by belt (7); The output shaft of tested cam graduation transmission device (8) is connected through the input shaft of flexible coupling (3) with the disk light beam encoder that fixedly installs (4); Disk light beam encoder (4) is connected with data acquisition board (5) by cable, and the variation that disk light beam encoder (4) will be justified grating response angular displacement is sent to data acquisition board (5) by photosignal conversion output series of pulses signal and with pulse signal; Data acquisition board (5) is connected with computing machine (6); Computing machine (6) is handled the data that data acquisition board (5) sends.
2. space cam graduation transmission device graduation precision measurer according to claim 1, it is characterized in that: described disk light beam encoder (4) is the high precision disk light beam encoder of 17200 line/circles, this disk light beam encoder (4) has adopted a times frequency splitting technology, and measuring accuracy is ± 0.5 "～3.5 ";
Can make things convenient for, show test results intuitively, and can store, print relevant test data and result.
3. space cam graduation transmission device graduation precision measurer according to claim 1 is characterized in that: described data acquisition board (5) adopts high speed USB 2.0 interfaces to be connected with computing machine (6).
4. space cam graduation transmission device graduation precision measurer according to claim 1, it is characterized in that: described computing machine (6) is provided with display screen (61), and this display screen (61) instant playback goes out the variation in angular displacement situation that tested cam graduation transmission device (8) output shaft rotatablely moves.
5. space cam graduation transmission device graduation precision measurer according to claim 1, it is characterized in that: described computing machine (6) is provided with the collection button, click this collection button acquisition angle displacement data immediately, the generation backup data file also is kept in the computing machine (6).
6. space cam graduation transmission device graduation precision measurer according to claim 1, it is characterized in that: described computing machine (6) is provided with analysis and processing module, this analysis and processing module is analyzed the data of gathering, draw indexing accuracy, stop precision and the mean value and the variance of each stay segment of one-period cam ring graduation transmission device, and draw out angular displacement, the angular velocity curve map of tested cam graduation transmission device (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720036197 CN201034565Y (en) | 2007-04-16 | 2007-04-16 | Space cam wheel division mark transmission mechanism division mark accuracy measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720036197 CN201034565Y (en) | 2007-04-16 | 2007-04-16 | Space cam wheel division mark transmission mechanism division mark accuracy measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201034565Y true CN201034565Y (en) | 2008-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720036197 Expired - Fee Related CN201034565Y (en) | 2007-04-16 | 2007-04-16 | Space cam wheel division mark transmission mechanism division mark accuracy measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201034565Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604602A (en) * | 2013-10-25 | 2014-02-26 | 湖北汽车工业学院 | Dynamic performance test bench for globoidal cam indexing mechanism |
-
2007
- 2007-04-16 CN CN 200720036197 patent/CN201034565Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604602A (en) * | 2013-10-25 | 2014-02-26 | 湖北汽车工业学院 | Dynamic performance test bench for globoidal cam indexing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 |