CN103100936A - Device and method for testing tool turnover location accuracy in tool magazine - Google Patents
Device and method for testing tool turnover location accuracy in tool magazine Download PDFInfo
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- CN103100936A CN103100936A CN2013100572839A CN201310057283A CN103100936A CN 103100936 A CN103100936 A CN 103100936A CN 2013100572839 A CN2013100572839 A CN 2013100572839A CN 201310057283 A CN201310057283 A CN 201310057283A CN 103100936 A CN103100936 A CN 103100936A
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- laser displacement
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Abstract
The invention discloses a device and a method for testing tool turnover location accuracy in a tool magazine, and belongs to the field of numerically-controlled machine tools. The device comprises a chain type tool magazine automatic tool changing device, a laser displacement sensor A, a laser displacement sensor B, a tool, an installation platform, a control cabinet, a virtual main shaft, a data acquisition card, and a personal computer (PC) machine. The chain type tool magazine automatic tool changing device is installed on the installation platform, the laser displacement sensor A and the laser displacement sensor B are fixed on a body of the chain type tool magazine, the control cabinet is used for sending the tool to a tool changing position in a chain type transmission mode, and turnover of the tool from the horizontal state to the vertical state is finished under air cylinder effect. At the moment of finishing turnover of the tool, laser displacement sensors can detect a tool handle position and offset distance value of the laser displacement sensors fixed on the body. The tool turnover location accuracy can be obtained by inputting displacement parameters into the PC machine through the data acquisition card. The device and the method solve the problem that the tool turnover location accuracy is difficult to test when the tool magazine is in an operating state.
Description
Technical field
The present invention is a kind of device and method of testing the upset of cutter in tool magazine positioning accuracy, belongs to the Digit Control Machine Tool field.
Background technology
Tool magazine and automatic tool changer in use due to accidental causes such as collision, location securing member are loosening, make the positional precision after the cutter upset change; And the relative-position error between cutter, manipulator, main shaft three directly affects accuracy and the reliability of lathe automatic tool changer; Therefore, be very necessary to the detection of the positioning accuracy of cutter upset.
Because influence factor is numerous, and the influence degree of each factor can't directly determine again, therefore can only test out take experiment as the basis positioning accuracy of cutter upset.
In order systematically to study tool magazine and automatic tool changer in running, the variation of the positioning accuracy of cutter upset, and grasp the rule that its precision changes, need the apparatus and method of the complete test tool upset positioning accuracy of a cover, and also there is no the device of relevant cutter upset positioning accuracy at present.
Summary of the invention
The objective of the invention is to design a cover and detect the offset distance of the cutter 3 rear handle of a knife positions of upset and laser displacement sensor A2, laser displacement sensor B4 by laser displacement sensor A2, laser displacement sensor B4, and utilize data collecting card that the displacement signal of sensor is transported in PC, then the displacement signal of laser displacement sensor A2, laser displacement sensor B4 is processed and analyzed, obtain the upset positioning accuracy of cutter 3, in order to estimate running precision and the performance of magazine 1 cutter turning device.Laser displacement sensor A2, laser displacement sensor B4 are that after running into testee by self Emission Lasers, laser is reflected to the laser pickoff of self, thereby obtain the distance between laser displacement sensor and testee.
To achieve these goals, the present invention has taked following technical scheme.A kind of device of testing cutter upset positioning accuracy in tool magazine is characterized in that: comprise magazine 1 and automatic tool changer 6, laser displacement sensor A2, laser displacement sensor B4, cutter 3, mounting platform 7, switch board 8, virtual main shaft 5, cylinder 9, data collecting card and PC; Laser displacement sensor A2, laser displacement sensor B4 are fixed on the body of magazine 1 by sensor stand, and laser displacement sensor A2, laser displacement sensor B4 are on same level; When laser displacement sensor B4 installed, the light of its ejaculation should be through the center of circle of the handle of a knife position after 90 ° of cutter 3 upsets and parallel with the magazine body; When laser displacement sensor A2 installs, the light of its ejaculation should through cutter 3 handle of a knife positions the center of circle and become 150 ° of angles with light that laser displacement sensor B4 penetrates, two magnetic switch are housed on cylinder 9 whether complete upset for detection of cutter.
Use the method for described device, it is characterized in that: the target cutter of needs being chosen by switch board 8 number, deliver to tool change position; And making cutter 3 complete upset under the effect of cylinder 9, after upset, moment laser displacement sensor A2, laser displacement sensor B4 detect cutter 3 handle of a knife positions and are fixed on the laser displacement sensor A2 on body, the offset distance value of laser displacement sensor B4; The output signal of laser displacement sensor A2, laser displacement sensor B4 collects the enterprising row data of computer Treatment Analysis by data collecting card.
Described laser displacement sensor A2, laser displacement sensor B4 are arranged on sensor stand, and by screw, sensor stand is fixed on the body of magazine the accuracy of the offset distance of the cutter 3 handle of a knife positions of actual measurement and laser displacement sensor A2, laser displacement sensor B4 when turning over the cutter test with assurance; Sensor stand can be finely tuned on perpendicular to the direction of horizontal plane up and down, makes two laser displacement sensors on same level.Have certain adjustability when laser displacement sensor and support assembling, can make the ray intersection of sensor ejaculation in the virtual handle of a knife center of circle such as Fig. 3.The design of sensor stand guarantees, laser displacement sensor A2, laser displacement sensor B4 and make light that laser displacement sensor A2, laser displacement sensor B4 penetrate through the center of circle of virtual handle of a knife position on same level.
Further, laser displacement sensor A2 is arranged on sensor stand, should become with the tool magazine body 30 ° of angles, and assurance laser displacement sensor A2 and sensor stand are effectively avoided the manipulator working range of automatic tool changer 6.
Further, the surface roughness of the installed surface of described mounting frame for sensor and laser displacement sensor A, laser displacement sensor B and tool magazine body joint face is finish-milling-finish-milling or mill-mill.
The invention has the advantages that:
(1) the invention provides device and the detection method of a kind of tool magazine cutter upset location, cutter upset positioning accuracy in the time of can detecting dynamically the tool magazine operation, reflected more exactly resetting error in the cutter switching process than in the past static detection mode, the error parameter of cutter upset resetting is provided for manufacturer of producer.
(2) testing arrangement provided by the invention goes for the detection of the dissimilar tool magazine cutter upset of different size positioning accuracy, and is not subjected to the restriction of producer's magazine tool structure.
What (3) the present invention adopted is the high-performance and high accuracy laser displacement sensor, easy for installation.Compare with current vortex and capacitance displacement sensor, this laser displacement sensor range is larger, and maximum can reach 60mm, can effectively avoid the working range of manipulator; And resolution ratio is higher, and measuring accuracy can reach 1.5um.
(4) method of testing provided by the invention is more novel.Because cutter 3 is standard components, fix for the size of the cutter 3 handle of a knife positions of different size, and machining accuracy is at ± 1 μ m, so the handle of a knife size of each cutter 3 is consistent in same tool magazine.Therefore we can obtain the distance of two points and laser displacement sensor on cutter 3 handle of a knife circles by each test, can calculate the actual center of circle of turning over cutter position by conversion.Detect the upset positioning accuracy of cutter 3 handle of a knife positions by utilization, the method that indirect detection goes out cutter 3 upset positioning accuracies is feasible.
Description of drawings
Fig. 1 is the schematic diagram of test platform of the present invention.
Fig. 2 is detection position schematic diagram front view after 90 ° of test tool of the present invention upsets.
Fig. 3 is detection method and position view top view after 90 ° of test tool of the present invention upsets.
Fig. 4 is front view and the top view of laser displacement sensor A2 support shown in Figure 1.
Fig. 5 is front view and the top view of laser displacement sensor B4 support shown in Figure 1.
The specific embodiment
Below in conjunction with operation principle and structure accompanying drawing, method of testing is described in further detail to the face dynamic characteristic device of closing.
Apparatus of the present invention comprise magazine 1 and automatic tool changer 6, laser displacement sensor A2, laser displacement sensor B4, cutter 3, cylinder 9, mounting platform 7, switch board 8, virtual main shaft 5, data collecting card and PC.basic thought of the present invention is to utilize two laser displacement sensor A2, laser displacement sensor B4, detect respectively cutter 3 upset oblique line directions of rear moment from the horizontal by the displacements of 150 ° of degree positions, angle such as Fig. 3 and horizontal direction, and record cutter 3 handle of a knife positions and the laser displacement sensor A2 of this time upset oblique line directions and horizontal direction, the ranging offset amount of laser displacement sensor B4, as Fig. 3 by calculating on cutter 3 handle of a knife circumference 2 with virtual center of circle O (x, y) be the origin of coordinates coordinate points O ' (x ', y '), obtain actual cutter 3 centers of circle, handle of a knife position of turning over cutter position.After repeatedly turning over cutter, obtain a plurality of values of turning over cutter position cutter 3 centers of circle, handle of a knife position, and showing their physical location to design the center of circle in the coordinate system of the origin of coordinates, thereby can calculate the repetitive positioning accuracy of handle of a knife.
The life-span of the semiconductor laser in laser displacement sensor A, laser displacement sensor B depends on environment temperature, and detection head self can generate heat, and the material of described sensor stand adopts Q235.It is the standard type laser displacement sensor of HL-G105-A-C5 that described laser displacement sensor A, laser displacement sensor B adopt panasonic model, and it is the multifunctional data acquisition card of PCI-9222 that described capture card adopts Ling Hua science and technology model.
Described method of testing is two magnetic switch to be housed on cylinder whether to complete upset for detection of cutter, in the signal access data capture card with magnetic switch.After the signal that receives magnetic switch, begin to gather the data of laser displacement sensor, after 100ms, the image data process finishes, and data are preserved and processed on PC.This test process breaks away from fully in control system.
Utilize this device can do following a few class experiment:
(1) when magazine 1 remain static and the cylinder 9 sufficient situations of internal gas pressures under, utilize switch board 8 control cylinders 9, make cutter 3 ceaselessly complete upset and gyration, and then test the repetitive positioning accuracy of same cutter when magazine 1 inactive state and cylinder 9 internal gas pressures abundance.
(2) when magazine 1 remain static and the cylinder 9 not enough situations of internal gas pressures under, utilize switch board 8 control cylinders 9, make cutter 3 ceaselessly complete upset and gyration, and then test the repetitive positioning accuracy of same handle of a knife in magazine 1 inactive state and cylinder 9 internal gas pressures deficiency the time.
(3) in magazine 1 motion state and the sufficient situation of cylinder 9 internal gas pressures, utilize switch board 8 to control the motion of magazine 1, get back to tool change position after making tested cutter 3 through a circulation, and complete upset and revolution under the effect of cylinder, and then test same cutter 3 and be kept in motion and the repetitive positioning accuracy of cylinder 9 internal gas pressures when sufficient at tool magazine.
(4) in magazine 1 motion state and the not enough situation of cylinder 9 internal gas pressures, utilize switch board 8 to control the motion of magazine 1, get back to tool change position after making tested cutter 3 through a circulation, and complete upset and revolution under the effect of cylinder 9, and then test same cutter and be kept in motion and the repetitive positioning accuracy of cylinder 9 internal gas pressures when not enough at magazine 1.
(5) when magazine 1 be kept in motion and the cylinder 9 sufficient situations of internal gas pressures under, utilize switch board 8 that random cutter 3 is delivered to tool change position, before and after testing out, different cutters 3 are kept in motion and the site error of cylinder 9 internal gas pressures when sufficient at magazine 1.
(6) when magazine 1 be kept in motion and the cylinder 9 not enough situations of internal gas pressures under, utilize switch board 8 that random cutter 3 is delivered to tool change position, the site error of different cutters 3 when magazine 1 motion state and cylinder 9 internal gas pressures deficiency before and after testing out.
Claims (4)
1. a device of testing the upset of cutter in tool magazine positioning accuracy, is characterized in that: comprise magazine (1) and automatic tool changer (6), laser displacement sensor A(2), laser displacement sensor B(4), cutter (3), mounting platform (7), switch board (8), virtual main shaft (5), cylinder (9), data collecting card and PC; Laser displacement sensor A(2), laser displacement sensor B(4) be fixed on by sensor stand on the body of magazine (1), and laser displacement sensor A(2), laser displacement sensor B(4) on same level; When laser displacement sensor B(4) installing, the light of its ejaculation should pass through cutter (3) center of circle of the handle of a knife position after 90 ° and parallel with the magazine body of overturning; When laser displacement sensor A(2) installing, the light of its ejaculation should pass through cutter (3) handle of a knife position the center of circle and with laser displacement sensor B(4) light that penetrates becomes 150 ° of angles, two magnetic switch are housed on cylinder (9) whether complete upset for detection of cutter.
2. a kind of device of testing the upset of cutter in tool magazine positioning accuracy according to claim 1, wherein be characterised in that: laser displacement sensor A(2) be arranged on sensor stand, should become with the tool magazine body 30 ° of angles, guarantee laser displacement sensor A(2) and sensor stand effectively avoid the manipulator working range of automatic tool changer (6).
3. a kind of device of testing the upset of cutter in tool magazine positioning accuracy according to claim 1, wherein be characterised in that: described mounting frame for sensor and laser displacement sensor A(2), laser displacement sensor B(4) installed surface and the surface roughness of tool magazine body joint face be finish-milling-finish-milling or mill-mill.
4. application rights requires 1 a kind of described method of testing the device of cutter upset positioning accuracy in tool magazine, it is characterized in that: the target cutter of needs being chosen by switch board (8) number, deliver to tool change position; And make cutter (3) complete upset under the effect of cylinder (9), moment laser displacement sensor A(2 after upset), laser displacement sensor B(4) detect cutter (3) handle of a knife position and the laser displacement sensor A(2 that is fixed on body), laser displacement sensor B(4) the offset distance value; Laser displacement sensor A(2), output signal laser displacement sensor B(4) collects the enterprising row data of computer Treatment Analysis by data collecting card.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310057283.9A CN103100936B (en) | 2013-02-23 | 2013-02-23 | A kind of device and method testing cutter upset positioning precision in tool magazine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310057283.9A CN103100936B (en) | 2013-02-23 | 2013-02-23 | A kind of device and method testing cutter upset positioning precision in tool magazine |
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| CN103100936A true CN103100936A (en) | 2013-05-15 |
| CN103100936B CN103100936B (en) | 2015-11-04 |
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| CN201310057283.9A Expired - Fee Related CN103100936B (en) | 2013-02-23 | 2013-02-23 | A kind of device and method testing cutter upset positioning precision in tool magazine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878639A (en) * | 2014-03-03 | 2014-06-25 | 北京工业大学 | Static and dynamic tension detecting system for chains of chained tool magazines |
| CN104416399A (en) * | 2013-08-29 | 2015-03-18 | 兄弟工业株式会社 | Method for replacing a machine tool and a tool |
| CN106289056A (en) * | 2016-07-28 | 2017-01-04 | 北京工业大学 | A kind of dise knife storehouse tool-changing mechanical arm device for detecting performance and method |
| CN106271794A (en) * | 2016-07-30 | 2017-01-04 | 北京工业大学 | A kind of bamboo hat type tool magazine send cutter method for testing performance and device |
| CN111958285A (en) * | 2020-07-17 | 2020-11-20 | 安徽省临泉县智创精机有限公司 | Tool magazine exchange device for machining center |
| CN113182567A (en) * | 2021-03-31 | 2021-07-30 | 成都飞机工业（集团）有限责任公司 | Method for rapid trial cutting and cutting parameter optimization of numerical control milling cutter |
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| CN102773749A (en) * | 2012-08-28 | 2012-11-14 | 昆山北钜机械有限公司 | Chain type tool magazine |
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Patent Citations (5)
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| JP2000111325A (en) * | 1998-10-01 | 2000-04-18 | Tokyo Seimitsu Co Ltd | Measuring method of initially set incident angle in rotation angle measurement using laser interferometer |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104416399A (en) * | 2013-08-29 | 2015-03-18 | 兄弟工业株式会社 | Method for replacing a machine tool and a tool |
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| CN103878639A (en) * | 2014-03-03 | 2014-06-25 | 北京工业大学 | Static and dynamic tension detecting system for chains of chained tool magazines |
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| CN106289056A (en) * | 2016-07-28 | 2017-01-04 | 北京工业大学 | A kind of dise knife storehouse tool-changing mechanical arm device for detecting performance and method |
| CN106289056B (en) * | 2016-07-28 | 2019-01-04 | 北京工业大学 | A kind of dise knife library tool-changing mechanical arm device for detecting performance and method |
| CN106271794A (en) * | 2016-07-30 | 2017-01-04 | 北京工业大学 | A kind of bamboo hat type tool magazine send cutter method for testing performance and device |
| CN111958285A (en) * | 2020-07-17 | 2020-11-20 | 安徽省临泉县智创精机有限公司 | Tool magazine exchange device for machining center |
| CN113182567A (en) * | 2021-03-31 | 2021-07-30 | 成都飞机工业（集团）有限责任公司 | Method for rapid trial cutting and cutting parameter optimization of numerical control milling cutter |
| CN113182567B (en) * | 2021-03-31 | 2022-05-10 | 成都飞机工业（集团）有限责任公司 | Method for rapid trial cutting and cutting parameter optimization of numerical control milling cutter |
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| CN103100936B (en) | 2015-11-04 |
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