CN2717678Y - Integrated parameter setting and tracking semisolid hydraulic press complete equipment - Google Patents

Integrated parameter setting and tracking semisolid hydraulic press complete equipment Download PDF

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Publication number
CN2717678Y
CN2717678Y CN 200420029493 CN200420029493U CN2717678Y CN 2717678 Y CN2717678 Y CN 2717678Y CN 200420029493 CN200420029493 CN 200420029493 CN 200420029493 U CN200420029493 U CN 200420029493U CN 2717678 Y CN2717678 Y CN 2717678Y
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CN
China
Prior art keywords
hydraulic press
controller
hydraulic
semisolid
tracking
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Expired - Fee Related
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CN 200420029493
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Chinese (zh)
Inventor
刘春平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Tianduan Press Co Ltd
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Tianjin Tianduan Press Co Ltd
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Priority to CN 200420029493 priority Critical patent/CN2717678Y/en
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Publication of CN2717678Y publication Critical patent/CN2717678Y/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to an integrated parameter setting and tracking semisolid hydraulic press complete equipment, belonging to the technical field of hydraulic presses. The integrated parameter setting and tracking semisolid hydraulic press complete equipment comprises a hydraulic-press controller, a hydraulic-press sensor, an actuator and a display; the hydraulic-press sensor is connected with the hydraulic-press controller, and the hydraulic-press controller is connected with the actuator and the display. The integrated parameter setting and tracking semisolid hydraulic press complete equipment is characterized in that: the hydraulic-press controller is connected with a slider closed loop controller, the slider closed loop controller is connected with a slider displacement sensor, and the slider closed loop controller is connected with a slider proportion servo valve with amplifier integration. The utility model has the functions of the integrated parameter setting and tracking, and the system can conduct self-adjustment; the utility model has simple structure, stable work, dependability and high degree of automation, so the utility model considerably improves the machining accuracy and the work piece quality of the hydraulic press.

Description

The semisolid hydraulic press complexes that integrated parameter is set and followed the tracks of
Technical field
The utility model belongs to the hydraulic press technical field, particularly relates to the semisolid hydraulic press complexes that a kind of integrated parameter is set and followed the tracks of.
Background technology
What the control of the speed of present known hydraulic press was adopted usually all is open loop control, and when technological parameters such as the oil temperature of system, pressure changed, system can not oneself's adjustment, and speed parameter will inevitably depart from, and influences product quality.
Hydraulic press equipment is used manufacturing every field.Industrial circles such as automobile, space flight, powder are had higher requirement to the production equipment technical performance.Pressure, stroke, time, speed are the important indicators of hydraulic press, and the operator is set it simply and easily, and system has become a difficult problem of being badly in need of solution from motion tracking.
Summary of the invention
The utility model provides the semisolid hydraulic press complexes of a kind of integrated parameter setting and tracking for solving the technical problem that exists in the known technology.
The utility model purpose is the control function of utilization closed-loop control unit, and the ram speed of hydraulic press is carried out closed-loop control, realizes that the integrated parameter of semisolid slider of hydraulic press speed is set and followed the tracks of.
The Closed loop Control that the semisolid hydraulic press complexes that integrated parameter is set and followed the tracks of adopt:
1.HNC the characteristics of closed-loop control unit
(1) has the input and the output of 8,16 or 24 road digital quantities, can connect industrial equipments such as press button, indicator lamp easily.Have optional EBI, realize exchanges data.
(2) displacement transducer can adopt the SSI of increment type or absolute type.
2. system constitutes
Programmable controller (PLC) is because of its complete function, and reliability height, remarkable advantage such as flexible and convenient to use are widely used in each field of industry, and at present, the electric master control system on the hydraulic press is big to have adopted PLC control.
The whole control system is made up of HNC, PLC (programmable controller) and HMI (touch-screen).Other technological actions of hydraulic press are finished by PLC, and the demonstration of pressure, position and being set on the HMI is finished.
Because of displacement transducer is connected on the HNC, and on HMI, also must show the position of press in real time, and HNC needs also PLC to start operation, so, must set up a kind of communication between HNC and the PLC, to realize exchanges data.
Technical solution adopted in the utility model is:
The semisolid hydraulic press complexes that integrated parameter is set and followed the tracks of, constitute by hydraulic press controller, hydraulic press sensor, executing agency and display, the hydraulic press sensor connects the hydraulic press controller, the hydraulic press controller connects executing agency and display, be characterized in: the hydraulic press controller connects the slide block closed loop controller, the slide block closed loop controller links to each other with the slider displacement sensor, the slide block proportional servo valve that slide block closed loop controller connecting band amplifier is integrated.
The utility model can also adopt following technical measures:
The semisolid hydraulic press complexes that described integrated parameter is set and followed the tracks of are characterized in: the slide block closed loop controller connects the slide block encoder.
The semisolid hydraulic press complexes that described integrated parameter is set and followed the tracks of, be characterized in: the hydraulic press controller is equipped with touch-screen.
The semisolid hydraulic press complexes that described integrated parameter is set and followed the tracks of, be characterized in: the hydraulic press controller is the PLC programmable controller.
Advantage and the good effect that the utlity model has are:
The semisolid hydraulic press complexes that integrated parameter is set and followed the tracks of, have the integrated parameter of closed loop and set and following function, when technological parameters such as the oil temperature of system, pressure changed, system can oneself's adjustment, speed parameter keeps setting value, has improved the hydraulic press job stability.The utility model automaticity height, processing data information are finished automatically, are applicable to the high accuracy control of hydraulic press, have improved product quality greatly.
Description of drawings
Fig. 1 is the utility model closed loop controller structural representation;
Fig. 2 is the hydraulic press structural representation of the utility model control.
Among the figure: 1. precision intelligence numerically controlled hydraulic press, 2. displacement transducer, 3. proportional servo valve, control terminal 4. able to programme (touch-screen), 5. Programmable Logic Controller (PLC), 6.VT-HNC100 closed loop controller, 7. encoder interfaces, 8.BQ1 slide block encoder, 9.SP-S100D power supply, 10.PROFIBUS the DP EBI, 11. power supply ports, 12. analog quantity input/output interfaces.
The specific embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
Embodiment 1
See also Fig. 1 and Fig. 2.
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
The semisolid hydraulic press complexes that integrated parameter is set and followed the tracks of, constitute by hydraulic press 1 controller, hydraulic press sensor, executing agency and display, the hydraulic press sensor connects the hydraulic press controller, the hydraulic press controller connects executing agency and display, be characterized in: hydraulic press controller 5 connects slide block closed loop controller 6, slide block closed loop controller 6 links to each other with slider displacement sensor 2, the slide block proportional servo valve 3 that slide block closed loop controller 6 connecting band amplifiers are integrated.Slide block closed loop controller 6 connects slide block encoder 8.Hydraulic press controller 6 is equipped with touch-screen 4.Hydraulic press controller 6 is the PLC programmable controller.
The structure of ram speed closed loop controller 6 is composed as follows:
1.HNC closed-loop control unit
(1) has the input and the output of 8,16 or 24 road digital quantities, can connect industrial equipments such as press button, indicator lamp easily.Have optional EBI: PROFIBUS-DP, CANOPEN and INTERBUS-S and host computer PLC communication, realize exchanges data.
(2) displacement transducer can adopt the SSI of increment type or absolute type.Perhaps 0-± 10V, 4-20MA analog signal.
(3) 0-± 10V, the output of 4-20MA analog signal.
(4) the NC instruction programming that enriches flexibly.
2. system constitutes
The whole control system is made up of HNC6, PLC programmable controller 5 and HMI touch-screen 4.Other technological actions of hydraulic press are finished by PLC, and the demonstration of pressure, time, position and speed and being set on the HMI is finished.
Because of displacement transducer is connected on the HNC, and on HMI, also must show the position of press in real time, and HNC needs also PLC to start operation, so, must set up a kind of communication between HNC and the PLC, to realize exchanges data.
According to the technical parameter of HNC, employing PROFIBUS-DP bus mode realizes the exchanges data between HNC and the PLC.
The S7 series of PLC of SIEMENCS company has the PROFIBUS-DP EBI.Therefore the S7-300 type PLC that adopts the said firm is as the control core.
The semisolid hydraulic press complexes that integrated parameter is set and followed the tracks of are realized the process of ram speed control:
Displacement transducer 2 is fixed on the right pillar of fuselage of hydraulic press 1, position detecting element 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.The data signal line of displacement transducer 2 is directly received on the speed closed loop controller 6, speed closed loop controller 6 can calculate the position of slide block and speedometer through internal arithmetic, send data to PLC 5 by the PROFIBUS bus, PLC5 shows data by serial type communication port RS232 from touch-screen 4, the operator can set the needed speed of each operation section according to arts demand on touch-screen 4, send speed closed loop controller 6 to by PLC, speed closed loop controller 6 is realized the tracking of speed by the voltage swing that compares setting speed and feedback speed size change control ratio servo valve 3.
PROFIBUS DP EBI 10 carries out exchanges data by its speed closed loop controller HNC100 6 and PLC5; SP-S100D power supply 9 is by the power supply port 11 of closed-loop element HNC100, and its supply voltage is direct current 18-36V; SP-S100D power supply 9 provides the band amplifier integrated proportional servo valve 3 power supplys.Analog quantity input/output interface 12, it provides direct current 0-10V voltage for proportional servo valve, control ratio valve core of servo valve position; Encoder interfaces 7, can connect incremental or SSI interface encoder 8, pass through to pass the positional information of row cable transmission absolute type encoder under permission of SSI interface encoder and the clock synchronous situation, connect is SSI interface encoder in the example, DT is a data signal line, CL is a clock cable, and PS is a power line, connects back closed-loop element HNC100 like this and just can calculate its speed according to the situation of slide block.Compare by slide block actual value and setting value, follow the tracks of the resize ratio servo valve, the control ram speed realizes the purpose of this utility model.

Claims (4)

1, the semisolid hydraulic press complexes of a kind of integrated parameter setting and tracking, constitute by hydraulic press controller, hydraulic press sensor, executing agency and display, the hydraulic press sensor connects the hydraulic press controller, the hydraulic press controller connects executing agency and display, it is characterized in that: the hydraulic press controller connects the slide block closed loop controller, the slide block closed loop controller links to each other with the slider displacement sensor, the slide block proportional servo valve that slide block closed loop controller connecting band amplifier is integrated.
2, the semisolid hydraulic press complexes of integrated parameter setting according to claim 1 and tracking, it is characterized in that: the slide block closed loop controller connects the slide block encoder.
3, the semisolid hydraulic press complexes of integrated parameter setting according to claim 1 and tracking, it is characterized in that: the hydraulic press controller is equipped with touch-screen.
4, the semisolid hydraulic press complexes of integrated parameter setting according to claim 1 and tracking, it is characterized in that: the hydraulic press controller is the PLC programmable controller.
CN 200420029493 2004-08-09 2004-08-09 Integrated parameter setting and tracking semisolid hydraulic press complete equipment Expired - Fee Related CN2717678Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420029493 CN2717678Y (en) 2004-08-09 2004-08-09 Integrated parameter setting and tracking semisolid hydraulic press complete equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420029493 CN2717678Y (en) 2004-08-09 2004-08-09 Integrated parameter setting and tracking semisolid hydraulic press complete equipment

Publications (1)

Publication Number Publication Date
CN2717678Y true CN2717678Y (en) 2005-08-17

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CN 200420029493 Expired - Fee Related CN2717678Y (en) 2004-08-09 2004-08-09 Integrated parameter setting and tracking semisolid hydraulic press complete equipment

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102536935A (en) * 2011-12-15 2012-07-04 南京鹏力科技有限公司 Hydraulic synchronous control device and method
CN105223900A (en) * 2015-09-30 2016-01-06 天津市天锻压力机有限公司 A kind of optimization method of high speed link lever press displacement transducer system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102536935A (en) * 2011-12-15 2012-07-04 南京鹏力科技有限公司 Hydraulic synchronous control device and method
CN105223900A (en) * 2015-09-30 2016-01-06 天津市天锻压力机有限公司 A kind of optimization method of high speed link lever press displacement transducer system
CN105223900B (en) * 2015-09-30 2018-02-06 天津市天锻压力机有限公司 A kind of optimization method of high speed link lever press displacement transducer system

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C19 Lapse of patent right due to non-payment of the annual fee
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