CN201858966U - Device for detecting part size - Google Patents
Device for detecting part size Download PDFInfo
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- CN201858966U CN201858966U CN2010206195814U CN201020619581U CN201858966U CN 201858966 U CN201858966 U CN 201858966U CN 2010206195814 U CN2010206195814 U CN 2010206195814U CN 201020619581 U CN201020619581 U CN 201020619581U CN 201858966 U CN201858966 U CN 201858966U
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- probe
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- axle
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- servo
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Abstract
The utility model provides a device for detecting part size. The device comprises a platform for placing a part, and further comprises an upper probe, a lower probe, an X-axle raster ruler, an Y-axle raster ruler and a Z-axle raster ruler, wherein the upper probe and the lower probe are arranged along the direction of Z-axle, the X-axle raster ruler is used for acquiring X-axle data, the Y-axle raster ruler is used for acquiring Y-axle data, and the Z-axle raster ruler is used for acquiring Z-axle data; the upper probe and the lower probe are arranged on a bracket which is movably arranged on a Z-axle guiding rail along the direction of the Z-axle; the Z-axle guiding rail is movably arranged on an X-axle guiding rail along the direction of the X-axle; and the X-axle is movably arranged on a Y-axle guiding rail along the direction of the Y-axle. The device is capable of efficiently reducing the system error easily occurring during the process of detecting the size of the part.
Description
Technical field
The utility model relates to the device that detects accessory size.
Background technology
The technical requirement of mechanical component is a lot, and it has the chemical analysis of geometric configuration, dimensional tolerence, form and position tolerance, surfaceness, material and hardness etc.Earlier from where setting about, using which measurer during detection, adopt which type of advanced method, is a technical very strong problem in detecting.In the testing process, the factor of data accuracy that influences gained is very many.Detect error and can be divided into three major types: stochastic error, gross error, systematic error.Eliminate the method for stochastic error and eliminated (reducing temperature fluctuation, control detection power etc.), can also estimate the size of stochastic error according to normal distribution probability from the error root.The detected value that contains gross error is called bad value, and should reject need not.Systematic error.Under the same conditions, the size and Orientation of the same amount time error of duplicate detection remains unchanged, condition changing when perhaps detecting, and error changes according to certain rules, and this error is a systematic error.Eliminating the systematic error method has, and must examine and determine all measurement instruments before detecting, and improves the accuracy of detection of measurement instrument.
The traditional detection accessory size needs reference field in location earlier in testing process, by comparison or detect the data that draw the workpiece of surveying relatively, still owing to reasons such as the injustice of reference field or rough surface, it is bigger to compare the detected numerical error of getting on very well.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides a kind of device that detects accessory size, can reduce to detect the systematic error in the accessory size process.
In order to solve an above-mentioned difficult problem, the scheme that the utility model is taked is: a kind of device that detects accessory size, comprise the platform of placing part, it also comprises upward probe and the following probe of arranging along Z-direction, be used to gather the X axis grating chi of X axis data, gather Y-axis to the Y-axis of data to the grating chi, gather the axial grating chi of Z of the axial data of Z, last probe and following probe are installed on the support, support can be arranged on the Z axial guidance movably along Z-direction, the Z axial guidance can be arranged on the X axis guide rail movably along X-direction, and the X axis guide rail can be arranged at a Y-axis on guide rail movably along Y direction.
Preferably, platform is provided with the adjusting gear that is used to adjust part position.
Preferably, platform is provided with the anchor clamps that are used to clamp part.
Preferably, the device that detects accessory size also comprises and is used to drive the servo that probe moves, servo comprise be used to drive probe and down the X axis servo that moves of probe X axis, be used to drive probe and down the probe Y-axis to the Y-axis that moves to servo be used to drive and pop one's head in and the axial servo of the following axially movable Z of Z of probe.
Preferably, the device of detection accessory size also comprises the collector that is used to collect raster data.
Preferably, the device of detection accessory size also comprises the processor that is used to analyze and handle raster data
Preferably, the device of detection accessory size also comprises the output unit that is used for output data.
More preferably, output unit is a display screen.
Preferably, last probe and following probe are the laser fiber detecting head.
The utility model adopts above method, has the following advantages:
1, the systematic error that is easy to generate in the detection accessory size process;
2, characterization processes is simple, can the fast detecting accessory size, enhance productivity.
Description of drawings
Accompanying drawing 1 is the structural representation of the pick-up unit of the utility model embodiment.
First vertical view when accompanying drawing 2 is in detected state for the part of the utility model embodiment.
Second vertical view when accompanying drawing 3 is in detected state for the part of the utility model embodiment.
First side view when accompanying drawing 4 is in detected state for the part of the utility model embodiment.
Second side view when accompanying drawing 5 is in detected state for the part of the utility model embodiment.
In the above accompanying drawing: 1, platform; 2, go up probe; 3, second probe; 4, support; 5, first critical point; 6, second critical point; 7, the 3rd critical point; 8, the 4th critical point.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby protection domain of the present utility model is made more explicit defining so that advantage of the present utility model and feature can be easier to be those skilled in the art will recognize that.
In the distance of surveying the Z-direction between itself and the part by detecting head when calculating the part height, two detecting heads move along Z-direction, the amount of returning of the signal that repeatedly detects by detecting head in moving process is calculated the distance of the Z-direction between two detecting heads and the part respectively, and the height by the mean value calculation part.
Embodiment shown in Fig. 1-5, a kind of device that detects accessory size, comprise the platform 1 of placing part, platform 1 is provided with the anchor clamps that are used to adjust the adjusting gear of part position and are used to clamp part, it also comprises upward probe 2 and the following probe of arranging along Z-direction 3, be used to gather the X axis grating chi of X axis data, gather Y-axis to the Y-axis of data to the grating chi, gather the axial grating chi of Z of the axial data of Z, last probe and following probe are installed on the support 4, support can be arranged on the Z axial guidance movably along Z-direction, the Z axial guidance can be arranged on the X axis guide rail movably along X-direction, and the X axis guide rail can be arranged at a Y-axis on guide rail movably along Y direction.
The device that detects accessory size also comprises and is used to drive the servo that probe moves, servo comprise be used to drive probe and down the X axis servo that moves of probe X axis, be used to drive probe and down the probe Y-axis to the Y-axis that moves to servo be used to drive and pop one's head in and the axial servo of the following axially movable Z of Z of probe.
The device that detects accessory size also comprises the collector that is used to collect raster data, the output unit that is used to analyze and handle the processor of raster data and is used for output data.Output unit is a display screen, can clearly reflect the data that detect part.
Last probe 2 and following probe 3 are the laser fiber detecting head.The laser fiber detecting head has the precision height, cost is low, transport information capacity is big, and it is little to decay, advantages such as anti-interference.
Part is placed on the detection platform 1,, makes the length of part be parallel to X-axis by being arranged on the position of the adjusting gear adjustment part on the platform 1, the wide Y-axis that is parallel to of part, the height of part is parallel to the Z axle, by being arranged on clamp part on the platform 1; Last probe 2 and down probe 3 detect the length of parts and when wide, on pop one's head in 2 and down probe 3 detect the light volume reflection just representative go up probe 2 and 3 the projection of popping one's head in down is comprised in the scope of part.
The X axis servo drives upward, and probe 2 prolongs the length that X axis moves the detection accessory size with following probe 3 on an X axis guide rail, as shown in Figure 2, last probe 2 and following probe 3 are detecting the first critical point 5(X1 of light volume reflection, Y1, Z1) locate to begin to collect data, last probe 2 and following probe 3 prolong X-axis and move to the second critical critical point 6(X2 of light volume reflection disappearance, Y1, Z1), the length of part is exactly the first critical point 5(X1, Y1, Z1) with the second critical point 6(X2, Y1, Z1) at the absolute value of the coordinate difference of X axis, be | X2-X1|, by last probe 2 and down probe 3 detect part length repeatedly to reject the gross error value the moving repeatedly of X axis, reduce stochastic error and get the mean value of effective value.
Y-axis drives upward to servo, and probe 2 prolongs Y-axis to the mobile width that detects accessory size with following probe 3 in a Y-axis on guide rail, as shown in Figure 3, last probe 2 and following probe 3 are detecting the 3rd critical point 7(X3 of light volume reflection, Y3, Z3) locate to begin to detect signal, last probe and following probe prolong X-axis and move to the 4th critical critical point 8(X3 of light volume reflection disappearance, Y4, Z3), the width of part is exactly the 3rd critical point 7(X3, Y3, Z3) with the 4th critical point 8(X3, Y4, Z3) Y-axis to the absolute value of coordinate difference, be | Y4-Y3|, by last probe 2 and down probe 3 Y-axis to move repeatedly, detect the part width repeatedly to reject the gross error value, reduce stochastic error and get the mean value of effective value.
Y-axis drives upward to servo, and probe 2 prolongs Y-axis to the mobile width that detects accessory size with following probe 3 in a Y-axis on guide rail, as shown in Figure 3, last probe 2 and following probe 3 are detecting the 3rd critical point 7(X3 of light volume reflection, Y3, Z3) locate to begin to detect signal, last probe and following probe prolong X-axis and move to the 4th critical critical point 8(X3 of light volume reflection disappearance, Y4, Z3), the width of part is exactly the 3rd critical point 7(X3, Y3, Z3) with the 4th critical point 8(X3, Y4, Z3) Y-axis to the absolute value of coordinate difference, be | Y4-Y3|, by last probe 2 and down probe 3 Y-axis to move repeatedly, detect the part width repeatedly to reject the gross error value, reduce stochastic error and get the mean value of effective value.
The axial servo of Z drives upward, and probe 2 prolongs the height that Z moves axially the detection accessory size with following probe 3 on a Z axial guidance, calculate the height of part by the amount of returning of the last probe 2 and 3 detectable signals of popping one's head in down, as shown in Figure 4, distance between last probe 2 and the following probe 3 remains unchanged and is L, last probe 2 distances apart from the part upper surface are d1,3 distances apart from the part lower surface of popping one's head in down are that the height of part is | L-d1-d2|; As shown in Figure 5, last probe 2 and following probe 3 are when Z moves axially, distance between last probe 2 and the following probe 3 remains unchanged and is L, last probe 2 distances apart from the part upper surface are d3,3 distances apart from the part lower surface of popping one's head in down are d4, the height of part is | L-d3-d4|, pop one's head in 3 in axial the moving repeatedly of Z by last probe 2 with following, and detect the part height repeatedly to reject the gross error value, to reduce the mean value that stochastic error is got effective value.
Data output is presented on the indicator screen, is convenient to next step operation.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (9)
1. device that is used to detect accessory size, comprise the platform (1) of placing part, it is characterized in that: it also comprises along what Z-direction was arranged goes up probe (2) and pop one's head in down (3), be used to gather the X axis grating chi of X axis data, gather Y-axis to the Y-axis of data to the grating chi, gather the axial grating chi of Z of the axial data of Z, described upward probe (2) and described probe (3) down are installed on the support (4), described support (4) can be arranged on the Z axial guidance movably along Z-direction, described Z axial guidance can be arranged on the X axis guide rail movably along X-direction, and described X axis guide rail can be arranged at a Y-axis on guide rail movably along Y direction.
2. install according to claim 1, wherein, described platform (1) is provided with the adjusting gear that is used to adjust part position.
3. install according to claim 1, wherein, described platform (1) is provided with the anchor clamps that are used to clamp part.
4. install according to claim 1, wherein, described device also comprises and is used to drive the servo that probe moves, described servo comprise be used to drive describedly go up X axis servo that probe and the described X axis of probe down move, be used to drive described go up probe and the described Y-axis of probe down to the Y-axis that moves to servo be used to drive described probe and the described axial servo of the axially movable Z of Z of popping one's head in down gone up.
5. detect the device of accessory size according to claim 1, wherein, described device also comprises the collector that is used to collect raster data.
6. install according to claim 1, wherein, described device also comprises the processor that is used to analyze and handle raster data.
7. install according to claim 1, wherein, described device also comprises the output unit that is used for output data.
8. as device as described in the claim 7, wherein, described output unit is a display screen.
9. install according to claim 1, wherein, described upward probe (2) and described probe (3) down are the laser fiber detecting head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206195814U CN201858966U (en) | 2010-11-23 | 2010-11-23 | Device for detecting part size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206195814U CN201858966U (en) | 2010-11-23 | 2010-11-23 | Device for detecting part size |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201858966U true CN201858966U (en) | 2011-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206195814U Expired - Fee Related CN201858966U (en) | 2010-11-23 | 2010-11-23 | Device for detecting part size |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201858966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837081A (en) * | 2014-03-18 | 2014-06-04 | 苏州卓汇自动化设备有限公司 | Workpiece dimension detection device |
-
2010
- 2010-11-23 CN CN2010206195814U patent/CN201858966U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837081A (en) * | 2014-03-18 | 2014-06-04 | 苏州卓汇自动化设备有限公司 | Workpiece dimension detection device |
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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: 20110608 Termination date: 20111123 |