CN205498137U - Sheet material numerical control punching machine closed loop detection device - Google Patents
Sheet material numerical control punching machine closed loop detection device Download PDFInfo
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- CN205498137U CN205498137U CN201620322261.XU CN201620322261U CN205498137U CN 205498137 U CN205498137 U CN 205498137U CN 201620322261 U CN201620322261 U CN 201620322261U CN 205498137 U CN205498137 U CN 205498137U
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Abstract
The utility model discloses a sheet material numerical control punching machine closed loop detection device, including X axle position detecting device and Y axle position detecting device, X axle position detecting device includes X axle magnetic grid chi and X axle magnesensor, Y axle position detecting device includes Y axle magnetic grid chi and Y axle magnesensor, the utility model discloses increasing magnetic grid chi and magnesensor, can detecting machine tool table's actual operation position, make moving part's positioning accuracy by the measurement accuracy decision of detection ring festival, can carry out effectual dynamic calibration to the influence that the moving part displacement produced to various interference and non -linear factor moreover, the actual position that makes any moment moving part is always strict to follow the change of instruction value to the motion of guaranteeing each coordinate of lathe has the very high stable state precision of moving.
Description
Technical field
This utility model relates to a kind of detection device, specifically, is a kind of numerical control sheet punching machine loop detector.
Background technology
The numerical control sheet punching machine majority that presently, there are uses half-closed loop control, the i.e. umber of pulse of system simply reading servomotor tail end encoder is come when physical location pulse, simply detect the position of motor, and do not detect the physical location of moving component, the kinematic error caused due to pitch error and the gear clearance of leading screw is difficult to eliminate, and precision is relatively low.
Summary of the invention
The technical problems to be solved in the utility model is: provides a kind of numerical control sheet punching machine loop detector, improves the machining accuracy of numerical control sheet punching machine.
In order to solve described technical problem, the technical solution adopted in the utility model is: a kind of numerical control sheet punching machine loop detector, including X-axis position detecting device and Y-axis position detecting device, described X-axis position detecting device includes X-axis magnetic railings ruler and X-axis magnetic sensor, X-axis magnetic railings ruler is attached on tooth bar, X-axis magnetic sensor is arranged on moving component, and servomotor is moved with X-axis magnetic sensor by rack pinion drive motion components；Described Y-axis position detecting device includes Y-axis magnetic railings ruler and Y-axis magnetic sensor, and Y-axis magnetic railings ruler is fixed on main frame, and Y-axis magnetic sensor is fixed on main machine base, and servomotor is moved with Y-axis magnetic railings ruler together by leading screw driving host.
Numerical control sheet punching machine loop detector described in the utility model, X-axis magnetic sensor and Y-axis magnetic sensor are connected with digital control system communication, and the displacement information of detection is fed back to digital control system.
The beneficial effects of the utility model: position detecting device is arranged on platen by this utility model, in order to detect the actual motion position of platen, and compare the displacement that itself and digital control system are calculated, are controlled by difference.This system not only can make the positioning precision of moving component be determined by the certainty of measurement of detection, and the impact that moving component displacement is produced by various interference and non-linear factor can be carried out effective dynamic calibration, the physical location making any moment moving component the most strictly follows command value change, thus ensures that the motion of each coordinate of lathe has the highest dynamic stable state accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation of X-axis position detecting device；
Fig. 2 is the structural representation of Y-axis position detecting device；
In figure: 1, X-axis magnetic railings ruler, 2, X-axis magnetic railings ruler mounting bracket, 3, X-axis magnetic sensor, 4, X-axis magnetic sensor mounting bracket, 5, tooth bar, 6, Y-axis magnetic railings ruler, 7, Y-axis magnetic railings ruler mounting bracket, 8, Y-axis magnetic sensor, 9, Y-axis magnetic sensor mounting bracket, 10, main frame.
Detailed description of the invention
With specific embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
Present embodiment discloses a kind of numerical control sheet punching machine loop detector, including X-axis position detecting device and Y-axis position detecting device, as shown in Figure 1, X-axis uses rack pinion, described X-axis position detecting device includes X-axis magnetic railings ruler 1 and X-axis magnetic sensor 3, X-axis magnetic railings ruler 1 is attached on tooth bar 5 by X-axis magnetic railings ruler mounting bracket 2, X-axis magnetic sensor 3 is arranged on moving component by X-axis magnetic sensor mounting bracket 4, and servomotor is moved with X-axis magnetic sensor 3 by rack pinion drive motion components.
As shown in Figure 2, Y-axis uses lead screw transmission, described Y-axis position detecting device includes Y-axis magnetic railings ruler 6 and Y-axis magnetic sensor 8, Y-axis magnetic railings ruler 6 is fixing on host 10 by Y-axis magnetic railings ruler mounting bracket 7, Y-axis magnetic sensor 8 is fixed on main machine base by Y-axis magnetic sensor mounting bracket 9, and servomotor is moved with Y-axis magnetic railings ruler together by leading screw driving host 10.
Original numerical control sheet punching machine semiclosed loop detection device generates processor according to plate drawing in digital control system, servomotor is driven to arrive the coordinate position that program is specified, during this, the umber of pulse of system simply reading servomotor tail end encoder is come when physical location pulse, simply detect the position of motor, and do not detect the physical location of moving component, the kinematic error caused due to pitch error and the gear clearance of leading screw is difficult to eliminate, and precision is relatively low.
Numerical control sheet punching machine loop detector described in the present embodiment adds X-axis position detecting device and the Y-axis position detecting device of detection moving component position, magnetic railings ruler is geomagnetic into the uniform period with south poles, can determine that the longest, ultimate resolution and system, magnetic sensor and magnetic railings ruler relative motion, displacement information is produced by the cycle, and edited with the form of square signal (count pulse), its numeric feedback is to digital control system, it is compared by digital control system with the umber of pulse of servomotor tail end encoder, the coordinate position that control servomotor motion makes the physical location of moving component specify with program is consistent, the kinematic error that the pitch error of compensation leading screw and gear clearance cause, its repeatable accuracy can reach ± 0.001mm.
Described above is only ultimate principle of the present utility model and preferred embodiment, improvement that those skilled in the art make according to this utility model and replacement, belongs to protection domain of the present utility model.
Claims (2)
1. a numerical control sheet punching machine loop detector, it is characterized in that: include X-axis position detecting device and Y-axis position detecting device, described X-axis position detecting device includes X-axis magnetic railings ruler and X-axis magnetic sensor, X-axis magnetic railings ruler is attached on tooth bar, X-axis magnetic sensor is arranged on moving component, and servomotor is moved with X-axis magnetic sensor by rack pinion drive motion components；Described Y-axis position detecting device includes Y-axis magnetic railings ruler and Y-axis magnetic sensor, and Y-axis magnetic railings ruler is fixed on main frame, and Y-axis magnetic sensor is fixed on main machine base, and servomotor is moved with Y-axis magnetic railings ruler together by leading screw driving host.
Numerical control sheet punching machine loop detector the most according to claim 1, it is characterised in that: X-axis magnetic sensor and Y-axis magnetic sensor are connected with digital control system communication, and the displacement information of detection is fed back to digital control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620322261.XU CN205498137U (en) | 2016-04-18 | 2016-04-18 | Sheet material numerical control punching machine closed loop detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620322261.XU CN205498137U (en) | 2016-04-18 | 2016-04-18 | Sheet material numerical control punching machine closed loop detection device |
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| Publication Number | Publication Date |
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| CN205498137U true CN205498137U (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620322261.XU Active CN205498137U (en) | 2016-04-18 | 2016-04-18 | Sheet material numerical control punching machine closed loop detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255026A (en) * | 2022-07-27 | 2022-11-01 | 东风柳州汽车有限公司 | Sheet punching detection device |
-
2016
- 2016-04-18 CN CN201620322261.XU patent/CN205498137U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255026A (en) * | 2022-07-27 | 2022-11-01 | 东风柳州汽车有限公司 | Sheet punching detection device |
| CN115255026B (en) * | 2022-07-27 | 2024-04-19 | 东风柳州汽车有限公司 | Sheet punching detection device |
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