CN201313420Y - Hydraulic machine stroke digital control and display device - Google Patents
Hydraulic machine stroke digital control and display device Download PDFInfo
- Publication number
- CN201313420Y CN201313420Y CNU200820142883XU CN200820142883U CN201313420Y CN 201313420 Y CN201313420 Y CN 201313420Y CN U200820142883X U CNU200820142883X U CN U200820142883XU CN 200820142883 U CN200820142883 U CN 200820142883U CN 201313420 Y CN201313420 Y CN 201313420Y
- Authority
- CN
- China
- Prior art keywords
- linear displacement
- hydraulic press
- display device
- stroke
- numerical control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model relates to a hydraulic machine stroke digital control and display device, belonging to the technical filed of the hydraulic machine. The hydraulic machine stroke digital control and display device comprises a stroke detection and display device, and is characterized in that a hydraulic machine is provided with a linear displacement sensor, a controller and a display terminal; the linear displacement sensor comprises a floating magnetic positioning magnetic block and a ferromagnetic linear displacement sensing element; the controller is connected with the linear displacement sensor and the display terminal digitally displaying stroke linear displacement data. The utility model has the advantages of simple structure, convenient use, automatic control, high precision, good real-time performance, safety, reliability, promising market prospect and the like.
Description
Technical field
The utility model belongs to the hydraulic press technical field, particularly relates to a kind of hydraulic press stroke numerical control digital display device.
Background technology
At present, in known hydraulic press, the detection of stroke can be divided into dual mode substantially: the first adopts the simple limit element sender signal of collection to carry out stroke detection, though this method is simple, reliable, easy to operate, but because its control accuracy is low, detection signal is switching value, and is discontinuous, only is applicable to slide block and the less demanding hydraulic press of hydraulic die cushion Stroke Control; It two is to utilize the photoelectricity rotating pulse generator to measure, the displacement process of its energy continuous measurement object, it is a kind of Mechanical Driven rotation impulse generator, the rectilinear motion of press slide is by machine driving conversion equipment (tooth bar, gear, chain, chain wheel drive impulse generator rotating shaft rotation, thereby drive inner disc and grating rotating).Because tooth bar, Errors in Gear Processing cause measured value and actual value that certain deviation is arranged, it does not possess power down maintenance function in addition, could guarantee accuracy of reading so all must put number after powering on again at every turn.
Summary of the invention
The technical problem of the utility model for existing in the solution known technology, and a kind of hydraulic press stroke numerical control digital display device is provided.
The purpose of this utility model provides the hydraulic press stroke numerical control digital display device of a kind of simple in structure, easy to use, automation control, high accuracy, real-time.
Along with the development of industry, a lot of arts demands are very accurate decides journey technology, wants to reach this requirement, just needs the high accuracy of safety and reliability, high performance hydraulic press stroke numerical control digital display device to realize.
The technical scheme that the utility model is taked is:
Hydraulic press stroke numerical control digital display device, comprise stroke detection and display unit, be characterized in: Linear displacement transducer, controller and display terminal are housed on the hydraulic press, Linear displacement transducer comprises floating magnetic-type location magnetic patch and ferromagnetic linear displacement sensing element, controller connects Linear displacement transducer, controller connects display terminal, and the linear displacement data of digital display stroke.
The utility model can also adopt following technical measures:
Described hydraulic press stroke numerical control digital display device is characterized in: displacement transducer is fixed on the hydraulic press fuselage pillar, and floating magnetic-type location magnetic patch is installed on the slider of hydraulic press, and slide block drives floating magnetic-type location magnetic patch and moves together.
Described hydraulic press stroke numerical control digital display device is characterized in: ferromagnetic linear displacement sensing element is the waveguide that contains the magnetostriction sensing element and the signal line of return.
Described hydraulic press stroke numerical control digital display device, be characterized in: controller is a Programmable Logic Controller.
Described hydraulic press stroke numerical control digital display device, be characterized in: display terminal is a touch-screen display.
Advantage that the utlity model has and good effect:
Hydraulic press stroke numerical control digital display device is owing to adopted technical solutions of the utility model, thereby the equipped travel control device of numerically controlled hydraulic press has really been realized press slide position resolution precision height, induction in real time, synchro measure, high repeatable accuracy, high linearity.
It has superperformance in anti-vibration, shock resistance, antipollution, moisture resistance aspect the wet and anti-electromagnetic interference in addition, has higher degree of protection, is fit to the application of industrial environment.The utility model modernization, data message level height have vast market prospect.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 adopts magnetostriction operation principle schematic diagram for Linear displacement transducer;
Fig. 3 transmits schematic diagram for the utility model information;
Fig. 4 is a scheme schematic flow sheet of the present utility model.
Among the figure, the 1-hydraulic press, 2-locatees magnetic patch, the 3-displacement transducer, 4-touch-screen display, 5-Programmable Logic Controller, 6-position magnet, the current impulse of 7-request signal produces magnetic field, and generation strain-pulse signal, 9-strain-pulse detector are intersected in two magnetic fields of 8-, the 10-waveguide, 11-request signal electric current, 12-optical coupler, 13-driver.
The specific embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now also in conjunction with the accompanying drawings, be described in detail as follows:
Embodiment
With reference to accompanying drawing 1, Fig. 2, Fig. 3 and Fig. 4.
Hydraulic press stroke numerical control digital display device, comprise stroke detection and display unit, Linear displacement transducer 3, Programmable Logic Controller 5 and touch-screen display 4 are housed on hydraulic pressure 1, Linear displacement transducer comprises floating magnetic-type location magnetic patch 2 and ferromagnetic linear displacement sensing element, Programmable Logic Controller connects Linear displacement transducer, Programmable Logic Controller connects the display terminal touch-screen display, and the linear displacement data of digital display stroke.Displacement transducer is fixed on the hydraulic press fuselage pillar, and floating magnetic-type location magnetic patch is installed on the slider of hydraulic press, and slide block drives floating magnetic-type location magnetic patch and moves together.Ferromagnetic linear displacement sensing element is the waveguide that contains the magnetostriction sensing element and the signal line of return.Hydraulic press stroke numerical control magnetic strength device comprises position magnet 6, waveguide 10, strain-pulse detector 9.Adopt the Linear displacement transducer SSI numeral output of connecting synchronously, Linear displacement transducer adopts magnetostrictive operation principle.10, one in measurement sensing element-waveguide that the core of sensor comprises a ferromagnetic material is permanent magnet-position magnet 6 movably, and position magnet 6 can produce a magnetic field longitudinally with waveguide 10.When current impulse was sent by sensor electronics head and pass through waveguide, second magnetic field was just created by the radially aspect of waveguide.Interrogation pulse electric current 11 is in waveguide 10 operations, and the request signal current impulse produces magnetic field 7.When intersecting the moment that produces strain-pulse signal 8 in two magnetic fields of waveguide, waveguide produces " magnetostriction " phenomenon, and a strain-pulse produces immediately.This inverse signal returns sensor electronics head and is detected next by detector from producing the some operation with ultrasonic speed.Magnet positions measurement accurately is by a high-speed timer of sensor circuit the time cycle that request signal is issued to inverse signal arrival to be surveyed and calculates, this process reaches accurately very fast, has satisfied absolute value encoder all requirements to the SSI standard.Then positional value with 24 25 26 coding modes with high-speed transfer to control system.The major function of SSI is the synchrodata conversion, and this is easy to accomplish in closed-loop control system.The clock pulses chain that controller produces is used for the turn on sensor data.The unknown data of absolute value constantly upgrades the information transmission that converts series connection then through shift register in sensor, through the exchange of optical coupler 12 and driver 13 realization data.
Present embodiment is fixed on displacement transducer 3 on the right pillar of fuselage of hydraulic press 1, position detecting element-floating magnetic-type location magnetic patch 2 is installed on the slide block of hydraulic press 1, slide block moved together with regard to driving moving location magnetic patch when hydraulic press was worked when slide block movement, and this position sensor just can reflect the position data of slide block like this.Displacement transducer 3 direct SSI numeral outputs, the slide position data are passed to the position decoder module of PLC Programmable Logic Controller 5 by the corresponding interface, through PLC carry out the simple process operator just can be easily on touch-screen display 4 actual position slide block read out, even if power failure takes place like this, or because the slide down of mechanical reason slide block, position sensor induction all be actual value, between touch-screen display 4 and the PLC Programmable Logic Controller 5 by serial communication interface RS232 communication.This detection method resolution ratio can reach 1 μ m, owing to adopted floating magnetic-type location magnetic patch that noncontacting measurement is carried out in the measuring position, thereby do not have wearing and tearing, and non-maintaining.
Claims (5)
1. hydraulic press stroke numerical control digital display device, comprise stroke detection and display unit, it is characterized in that: Linear displacement transducer, controller and display terminal are housed on the hydraulic press, Linear displacement transducer comprises floating magnetic-type location magnetic patch and ferromagnetic linear displacement sensing element, controller connects Linear displacement transducer, controller connects display terminal, and the linear displacement data of digital display stroke.
2. hydraulic press stroke numerical control digital display device according to claim 1 is characterized in that: displacement transducer is fixed on the hydraulic press fuselage pillar, and floating magnetic-type location magnetic patch is installed on the slider of hydraulic press, and slide block drives floating magnetic-type location magnetic patch and moves together.
3. hydraulic press stroke numerical control digital display device according to claim 1 is characterized in that: ferromagnetic linear displacement sensing element is the waveguide that contains the magnetostriction sensing element and the signal line of return.
4. hydraulic press stroke numerical control digital display device according to claim 1, it is characterized in that: controller is a Programmable Logic Controller.
5. hydraulic press stroke numerical control digital display device according to claim 1, it is characterized in that: display terminal is a touch-screen display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820142883XU CN201313420Y (en) | 2008-10-31 | 2008-10-31 | Hydraulic machine stroke digital control and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820142883XU CN201313420Y (en) | 2008-10-31 | 2008-10-31 | Hydraulic machine stroke digital control and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201313420Y true CN201313420Y (en) | 2009-09-23 |
Family
ID=41125208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820142883XU Expired - Fee Related CN201313420Y (en) | 2008-10-31 | 2008-10-31 | Hydraulic machine stroke digital control and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201313420Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303086A (en) * | 2011-09-20 | 2012-01-04 | 天津市天锻压力机有限公司 | Repeated locating control method for slide block of high-precision forging hydraulic machine |
| CN102310126A (en) * | 2011-10-14 | 2012-01-11 | 天津市天锻压力机有限公司 | Longitudinal beam hydraulic press displacement detection device |
-
2008
- 2008-10-31 CN CNU200820142883XU patent/CN201313420Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303086A (en) * | 2011-09-20 | 2012-01-04 | 天津市天锻压力机有限公司 | Repeated locating control method for slide block of high-precision forging hydraulic machine |
| CN102310126A (en) * | 2011-10-14 | 2012-01-11 | 天津市天锻压力机有限公司 | Longitudinal beam hydraulic press displacement detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204007494U (en) | A kind of magnetostrictive displacement sensor Intelligent Calibration system | |
| CN101281073A (en) | Mechanics sensor array calibrating apparatus and working method thereof | |
| CN102506678A (en) | Position detecting system for edge of winding-up H-shaped wheel of wire drawing machine and control method thereof | |
| CN102998043B (en) | Device and method for monitoring dynamic thrust of linear motor in suspension state | |
| CN106678126A (en) | Precisely-located numerical control cylinder and control method thereof | |
| CN204240939U (en) | A kind of device for measuring piston outside diameter and diameter of ring groove | |
| CN201313420Y (en) | Hydraulic machine stroke digital control and display device | |
| CN201436109U (en) | An injection stroke displacement control device | |
| CN102658504B (en) | Servo motor system and thickness measurement method based on same | |
| CN106289458B (en) | A kind of level meter automatic calibration device | |
| CN203703064U (en) | Actuator provided with angular displacement measuring and control device | |
| CN101144828A (en) | Non-contact speed gage calibrating apparatus | |
| CN101458261A (en) | Speed characteristic detection device for breaker permanent magnet linear electric motor operation mechanism | |
| CN107830837A (en) | A kind of delaminating deposition automatic measurement mechanism and its measuring method | |
| CN201998577U (en) | Control device of carpet printing machine | |
| CN203163696U (en) | Displacement measuring device in multi-field coupling comprehensive test system | |
| CN2869411Y (en) | Fluid cylinder with external laser range finding absolute range signal output | |
| CN203672602U (en) | Closure performance testing table used for damper valve | |
| CN109634204A (en) | A kind of automatic control system for multifunctional material testing | |
| CN211425377U (en) | Paper roll diameter measuring device | |
| CN2670103Y (en) | Run-length controller of precision intelligent digital control hydropress | |
| CN201289368Y (en) | Apparatus for measuring automobile vehicle body and chassis data | |
| CN103575203A (en) | Plant leave thickness nondestructive measurement instrument with adjustable pre-pressure and measurement method | |
| CN111156947A (en) | Paper roll diameter measuring device and measuring method | |
| CN102152171A (en) | Device for detecting stroke of machine tool |
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: 20090923 Termination date: 20101031 |