CN203418370U - Geometrical parameter online detection system - Google Patents
Geometrical parameter online detection system Download PDFInfo
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- CN203418370U CN203418370U CN201320500329.5U CN201320500329U CN203418370U CN 203418370 U CN203418370 U CN 203418370U CN 201320500329 U CN201320500329 U CN 201320500329U CN 203418370 U CN203418370 U CN 203418370U
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Abstract
The utility model discloses a geometrical parameter online detection system. The geometrical parameter online detection system comprises an operation unit, a control unit, a data processing unit and a detection head, wherein the operation unit receives the command operation input by a user and outputs an operation signal representing the command operation input by the user to the control unit, the control unit outputs a measurement control signal to the detection head according to the received operation signal of the operation unit, sends a homing control signal according to a received triggering signal of the detection head, records the coordinate value when the detection head sends the triggering signal, and outputs the coordinate value to the data processing unit, the detection head receives a measurement control signal of the control unit, moves towards a measurement point, outputs the triggering signal to the control unit when making contact with a detected workpiece, and returns to the position where the detection head is located before measurement is conducted when receiving the homing control signal of the control unit, and the data processing unit comprises a processing module and obtains geometrical parameters of the detected workpiece according to the received coordinate value. According to the geometrical parameter online detection system, problems of the workpiece can be timely found out, the accuracy of the workpiece can be greatly improved, and the production cycle of the workpiece can be shortened.
Description
Technical field
The utility model relates to a kind of measuring system, relates in particular to the measuring system for the online detection geometric sense of Digit Control Machine Tool.
Background technology
According to Sampling Investigation Report, China is because of product quality problem at present, and as waste product, substandard products, reprocessed products etc., the economic loss causing is about 10%～15% of the output value.And cause one of them reason of this result, exactly because Digit Control Machine Tool does not possess measuring ability, processor can not find in time the problem that processing work exists and revise workpiece.
Utility model content
The purpose of this utility model is to provide a kind of geometric sense on-line detecting system, with at least one aspect in solving the problems of the technologies described above.
According to an aspect of the present utility model, a kind of geometric sense on-line detecting system is provided, comprise operating unit, data processing unit, be positioned at the control module and the detecting head being connected with Digit Control Machine Tool of Digit Control Machine Tool, wherein:
Operating unit, receives the command operation of user's input, to the operation signal of control module output representative of consumer input command operation.The command operation of user input comprises start detection task and setting measurement environment, and Detection task is the measurement of space length between giving directions, the space length between line, the space length between face, angle, shaped position tolerance.
Control module, according to the operation signal of the operating unit receiving, to detecting head output measuring control signal; According to the triggering signal of the detecting head receiving, to detecting head, send playback control signal and record detecting head the coordinate figure while sending triggering signal, export coordinate figure to data processing unit.
Detecting head, the measuring control signal of reception control unit to measurement point motion, and is exported triggering signal to control module when touching measured workpiece; The playback control signal of reception control unit, returns to the position before measurement.
Data processing unit comprises processing module, according to the coordinate figure receiving, obtains the geometric sense of measured workpiece.
The utility model by installing contact detecting head on Digit Control Machine Tool, making Digit Control Machine Tool is process equipment, have again the measurement function of coordinate machine concurrently, to the workpiece of processing, can carry out online accurate detection, obtain the geometric properties of workpiece to be machined, can make operator find in time the problem that processing work exists.
Install after detection system of the present utility model, can increase substantially the precision of workpiece, and shorten the production cycle of workpiece.
In some embodiments, detection system of the present utility model can also comprise converting unit, now,
Operating unit, receives the command operation of user's input, to the operation signal of converting unit output representative of consumer input command operation;
Converting unit, the operation signal of reception operating unit, converts thereof into the executive signal that can be read by control module;
Control module, according to the executive signal of the converting unit receiving, to detecting head output measuring control signal.
By converting unit, operation signal (or the detection main program being started by operation signal) is converted into the executable program of Digit Control Machine Tool (as: G code program), by RS-232 serial communication interface, be transferred to Digit Control Machine Tool again, thus, make the utility model can Yu Nake, Siemens, the multiple digital control system such as Mitsubishi connects, can expand the function of digital control system, make it there is the wider scope of application.
In some embodiments, data processing unit can also comprise comparing module, and the model data of the geometric sense of measured workpiece and pre-stored measured workpiece is compared, and provides judged result.
By comparing module, the geometric sense recording and pre-stored model data (as: cad data model) are compared, can find the problem that processing work exists and draw amendment scheme.
In some embodiments, detecting head comprises ruby survey ball and gauge head switch, and ruby is surveyed ball and gauge head switch is rigidly connected, and is evenly distributed with three setting circle cylinders and three pairs of steel ball Contact Pair in the peripheral circumferential direction of gauge head switch.Every pair of steel ball Contact Pair comprises two locking balls, and every pair of steel ball lays respectively at the both sides of a setting circle cylinder.
The utility model adopts magnetic force that detecting head is resetted.After detecting head and power connection, an electromagnetic field of the inner generation of detecting head.When ruby is surveyed ball contact measured workpiece and reach certain ergometry, when the moment that this ergometry produces on measuring staff is greater than by the inner core body magnetic force of contact probe head moment, in three butt contacts, has a pair of unlatching at least, circuit loop disconnects, produce contact triggering signal, this signal reaches rapidly the control module on numerical control airport, latchs immediately the coordinate figure of three kinematic axis of lathe.Once ergometry disappears, the contact point of opening resets under the effect of magnetic force.The measuring probe structure of this contact is simply compact, and the intermediate link of the course of work is few, easily makes gauge head obtain repeatability preferably, and native system probe repeatability is less than 0.002mm.
Accompanying drawing explanation
Fig. 1 is the block diagram of the geometric sense on-line detecting system of a kind of embodiment of the utility model.
Fig. 2 is overhaul flow chart of the present utility model.
Fig. 3 is the switch figure of the detecting head of a kind of embodiment of the utility model.
Fig. 4 is the principle schematic of the detecting head of a kind of embodiment of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 has schematically shown wherein a kind of block diagram of geometric sense on-line detecting system of embodiment of the utility model.
As shown in Figure 1, a kind of geometric sense on-line detecting system, comprises operating unit 1, converting unit 2, data processing unit 3, is positioned at the control module 4 of Digit Control Machine Tool and the detecting head 5 being connected with Digit Control Machine Tool.
Operating unit 1, receives the command operation of user's input, to the operation signal of converting unit 2 output representative of consumer input command operations.Operating unit 1 in the utility model can be the operational hardwares such as keyboard of computer.
Converting unit 2, the operation signal of reception operating unit 1, converts thereof into the executive signal that can be read by control module 4.Detection system of the present utility model is by converting unit, and the multiple digital control systems such as can realize can Fa Nake, Siemens, Mitsubishi connect, applied widely.
Detecting head 5, the measuring control signal of reception control unit 4 to measurement point motion, and is exported triggering signals to control module 4 when touching measured workpiece; The playback control signal of reception control unit 4, returns to the position before measurement.The data processing unit of detection system of the present utility model is based on DIMS platform development, and its feature richness coordinates with the detecting head of uniqueness of the present utility model, completes the online Detection task of geometric sense.
Fig. 2 has shown overhaul flow chart of the present utility model.
As shown in Figure 2, after Digit Control Machine Tool completes part processing, first on the computer that is connected (can realize by network connection) with Digit Control Machine Tool, open on-line detecting system of the present utility model (step 101), in detection system, import or edit again the cad model of measured workpiece, then start detection task setting measurement environment (step 102).
Detection system of the present utility model can be set up various coordinate systems under programming mode, can defining point, the element such as line, plane, circle, cylinder, circular cone, ball, can measure space length between point, line, surface and the angle between coherent element.Detection system of the present utility model also possesses common shape position of related features measurement function, adopts the various measured elements of least square fitting, and the form tolerance that can measure has: linearity, flatness, circularity, cylindricity, sphericity etc.; The position of related features that can measure has: the depth of parallelism, perpendicularity, position degree etc.Detection task is herein exactly to refer to space length between point, line, surface and the angle between coherent element, and the measurement task such as shaped position tolerance.
On computer measurement platform, generate and detect main program, detection main program is converted into the executable G code program of Digit Control Machine Tool (step 103) and by RS-232 serial communication interface, is transferred to Digit Control Machine Tool (step 104).
By G code programme-control, detecting head 5 moves the path of follow procedure regulation to measurement point, contacts gauge head and send triggering signal when surveying ball contact workpiece, and this triggering signal is passed to Digit Control Machine Tool (step 105) by SKIP signal hardware interface.
Digital control system is ended immediately and is return by predefined distance, the register of digital control system latchs and triggers coordinate figure constantly simultaneously, the program of G code program sends to this coordinate figure again lathe IO mouth, and the coordinate of measurement point is passed computer (step 106) back by RS-232 serial communication interface.
After a measurement point is measured, Digit Control Machine Tool suspends, and carries out the next one measure action (step 107) in the command status of wait host computer, as also needed, continues to measure more measurement point, jumps to step 103.On computer measurement platform, obtain after enough points of tested element, just can process and obtain by the geometric properties of element.The geometric properties of acquisition and cad model are compared, can find in time the problem (step 108) that processing work exists.
Install after detection system of the present utility model, can carry out online accurate detection to the workpiece of processing, obtain the geometric properties of workpiece to be machined, can make operator find in time the problem that processing work exists, can increase substantially the precision of workpiece, and shorten the production cycle of workpiece.
As shown in Figure 3 and Figure 4, detecting head 5 comprises ruby survey ball (not shown) and gauge head switch 53, and ruby is surveyed ball and gauge head switch 53 is rigidly connected.In the peripheral circumferential direction of gauge head switch 53, be evenly distributed with three setting circle cylinders 52 and three pairs of steel ball Contact Pair (A in figure, B, C tri-places), every pair of steel ball Contact Pair comprises two locking balls 51, and every pair of steel ball 51 lays respectively at the both sides of a setting circle cylinder 52.
As shown in Figure 4, after detecting head 5 is connected with power supply 6, an electromagnetic field of detecting head 5 inner generations.When ruby is surveyed ball contact measured workpiece and reach certain ergometry, when the moment that this ergometry produces on measuring staff is greater than by the inner core body magnetic force of contact probe head moment, in three butt contacts, has 1 pair of unlatching at least, circuit loop disconnects, produce contact triggering signal, this signal reaches rapidly the control module of Digit Control Machine Tool, latchs immediately the coordinate figure of three kinematic axis of lathe.Once ergometry disappears, the contact point of opening resets under the effect of magnetic force.The measuring probe structure of this contact is simply compact, and the intermediate link of the course of work is few, easily makes gauge head obtain repeatability preferably, and native system probe repeatability is less than 0.002mm.
Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, not departing under the prerequisite of the utility model creation design, can also make at least one distortion and improvement, these all belong to protection domain of the present utility model.
Claims (6)
1. geometric sense on-line detecting system, is characterized in that, comprises operating unit, data processing unit, is positioned at the control module and the detecting head being connected with Digit Control Machine Tool of Digit Control Machine Tool;
Operating unit, receives the command operation of user's input, to the operation signal of control module output representative of consumer input command operation;
Control module, according to the operation signal of the described operating unit receiving, to detecting head output measuring control signal; According to the triggering signal of the described detecting head receiving, to detecting head, send playback control signal and record detecting head the coordinate figure while sending triggering signal, export coordinate figure to data processing unit;
Detecting head, receives the measuring control signal of described control module, to measurement point motion, and to control module, exports triggering signal when touching measured workpiece; The playback control signal that receives described control module, returns to the position before measurement;
Data processing unit comprises processing module, according to the coordinate figure receiving, obtains the geometric sense of measured workpiece.
2. geometric sense on-line detecting system according to claim 1, is characterized in that, also comprises converting unit, now,
Operating unit, receives the command operation of user's input, to the operation signal of converting unit output representative of consumer input command operation;
Converting unit, receives the operation signal of described operating unit, converts thereof into the executive signal that can be read by control module;
Control module, according to the executive signal of the described converting unit receiving, to detecting head output measuring control signal.
3. geometric sense on-line detecting system according to claim 2, is characterized in that, described data processing unit also comprises comparing module, and the model data of the geometric sense of measured workpiece and pre-stored measured workpiece is compared, and provides judged result.
4. according to the geometric sense on-line detecting system described in any one in claim 1-3, it is characterized in that, the command operation of described user input comprises start detection task and setting measurement environment, and described Detection task is the measurement of space length between giving directions, the space length between line, the space length between face, angle, shaped position tolerance.
5. geometric sense on-line detecting system according to claim 4, is characterized in that, described detecting head comprises ruby survey ball and gauge head switch, and described ruby is surveyed ball and gauge head switch is rigidly connected.In the peripheral circumferential direction of gauge head switch, be evenly distributed with three setting circle cylinders and three pairs of steel ball Contact Pair.
6. geometric sense on-line detecting system according to claim 5, it is characterized in that, in the direction of the peripheral circumferential of described gauge head switch, be evenly distributed with three setting circle cylinders and three pairs of steel ball Contact Pair, every pair of steel ball Contact Pair comprises two locking balls, and every pair of locking ball is positioned at the both sides of a setting circle cylinder.
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|---|---|---|---|
| CN201320500329.5U CN203418370U (en) | 2013-08-15 | 2013-08-15 | Geometrical parameter online detection system |
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| CN201320500329.5U CN203418370U (en) | 2013-08-15 | 2013-08-15 | Geometrical parameter online detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926058A (en) * | 2017-03-24 | 2017-07-07 | 苏州麦凯斯威传感技术有限公司 | Three-component touch sensor |
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- 2013-08-15 CN CN201320500329.5U patent/CN203418370U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926058A (en) * | 2017-03-24 | 2017-07-07 | 苏州麦凯斯威传感技术有限公司 | Three-component touch sensor |
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