CN101863140A - Slide block pressure and speed display and control system of hydraulic press for powder products - Google Patents
Slide block pressure and speed display and control system of hydraulic press for powder products Download PDFInfo
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- CN101863140A CN101863140A CN201010214529A CN201010214529A CN101863140A CN 101863140 A CN101863140 A CN 101863140A CN 201010214529 A CN201010214529 A CN 201010214529A CN 201010214529 A CN201010214529 A CN 201010214529A CN 101863140 A CN101863140 A CN 101863140A
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Abstract
The invention discloses a slide block pressure and speed display and control system of a hydraulic press for powder products, which comprises a pressure transducer, a proportional relief valve and a displacement transducer which are respectively connected with a programmable logic controller (PLC) arranged in an electric control cabinet of the hydraulic press, wherein the pressure transducer is arranged in a power mechanism of the hydraulic press and is used for detecting the pressure of a slide block; the proportional relief valve is arranged in the power mechanism of the hydraulic press and is used for regulating the pressure of the slide block; and the displacement transducer is arranged on an upright pressure post of the hydraulic press and is used for detecting the displacement of the slide block and acquiring the speed of the slide block. The pressure transducer is connected with an analog input module of the programmable logic controller (PLC), a built-in amplification board in the proportional relief valve is connected with an analog output module of the programmable logic controller (PLC), and the displacement transducer is connected with the analog input module of the programmable logic controller (PLC). When applied to carbon powder forming process, the invention can control the whole pressing process more accurately and better ensures the forming of products.
Description
Technical field
The invention belongs to a kind of hydraulic press controls automatically, particularly relate to a kind of Programmable Logic Controller that utilizes in conjunction with pressure sensor, proportional pressure control valve, displacement transducer control press slide pressure and speed, and the demonstration and the control system of the hydraulic press for powder products slide block pressure that on touch-screen, shows, speed.
Background technology
Hydraulic press for powder products is the equipment to the compression moulding of carbon powder powder material.Be to guarantee the quality behind the material forming, just require this type of press slide block pressure and speed can show and regulate within the specific limits.Utilization pressure sensor, proportional pressure control valve and displacement transducer can effectively address this problem in conjunction with Programmable Logic Controller PLC and touch-screen, and control reliable and stable.
Summary of the invention
The present invention provides a kind of Programmable Logic Controller that utilizes in conjunction with pressure sensor, proportional pressure control valve, displacement transducer control press slide pressure and speed for solving the technical problem that exists in the known technology, and on touch-screen, show, can make the control of the pressure of slide block and speed stable more, reliably, the demonstration and the control system of hydraulic press for powder products slide block pressure, speed accurately.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: the demonstration and the control system of a kind of hydraulic press for powder products slide block pressure, speed, include respectively be arranged on the hydraulic press electrical control cabinet in Programmable Logic Controller the PLC pressure sensor, proportional pressure control valve and the displacement transducer that are connected, wherein
Described pressure sensor is arranged in the actuating unit of hydraulic press, is used to detect slide block pressure;
Described proportional pressure control valve is arranged in the actuating unit of hydraulic press, is used for the pressure of adjusting slider;
Described displacement transducer is arranged on the upright pressure post of hydraulic press, is used to detect slider displacement, obtains ram speed.
Described pressure sensor is connected with the analog quantity input module of Programmable Logic Controller PLC.
Built-in amplification plate in the described proportional pressure control valve is connected with the analog output module of Programmable Logic Controller PLC.
Described displacement transducer is connected with the analog quantity input module of Programmable Logic Controller PLC.
Advantage and good effect that the present invention has are: the demonstration and the control system of hydraulic press for powder products slide block pressure of the present invention, speed, and utilize Programmable Logic Controller can make the variation of pressure accurate more, steady in conjunction with proportional pressure control valve and pressure sensor; Programmable Logic Controller can better be controlled the velocity variations of slide block in conjunction with displacement transducer, and pressure and speed can intuitively show on touch-screen, makes the operator be easier to operation.This technology is applied on the carbon element powder technology, can control whole pressing process more accurately, better guarantees the moulding of product.
Description of drawings
Fig. 1 is the structural representation of hydraulic press;
Fig. 2 is the catenation principle figure of pressure sensor and analog quantity input module;
Fig. 3 is the catenation principle figure of displacement transducer and analog quantity input module;
Fig. 4 is the catenation principle figure of built-in amplification plate of proportional pressure control valve and analog output module.
Label among the figure is respectively:
The 1-hydraulic press; The 2-actuating unit; The 3-pressure sensor; The 4-proportional pressure control valve; The 5-electrical control cabinet; The 6-displacement transducer; The 7-24V dc source; 8-analog quantity input module; The 9-analog output module; 10-analog quantity input module.
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. to describe the demonstration and the control system of hydraulic press for powder products slide block pressure of the present invention, speed in detail as follows:
As shown in Figure 1, the demonstration and the control system of hydraulic press for powder products slide block pressure of the present invention, speed, include the electrical control cabinet 5 of hydraulic press 1, electrical control cabinet 5 is provided with control terminal-touch-screen able to programme and Programmable Logic Controller PLC, and PLC is connected with a communication cable with touch-screen.The present invention also include respectively be arranged on electrical control cabinet 5 in Programmable Logic Controller the PLC pressure sensor 3, proportional pressure control valve 4 and the displacement transducer 6 that are connected, wherein,
As shown in Figure 2, pressure sensor 3 of the present invention is arranged in the actuating unit 2 of hydraulic press 1, this pressure sensor 3 is connected with the analog quantity input module 8 of Programmable Logic Controller PLC by the shielded cable of one 3 core, be used to detect slide block pressure, the model of analog quantity input module 8 is: CJ1W-AD041-V1.
As shown in Figure 3, displacement transducer 6 of the present invention is arranged on the upright pressure post of hydraulic press 1, this displacement transducer 6 is connected with the analog quantity input module 10 of Programmable Logic Controller PLC by the shielded cable of one 5 core, be used to detect slider displacement, and obtain the speed of slide block by displacement, the model of analog quantity input module 10 is: CJ1W-AD041-V1.
As shown in Figure 4, proportional pressure control valve 4 of the present invention is arranged in the actuating unit 2 of hydraulic press 1, built-in amplification plate in this proportional pressure control valve 4 is connected with the analog output module 9 of Programmable Logic Controller PLC by the shielded cable of one 5 core, the pressure that is used for adjusting slider, the model of analog output module 9 is: CJ1W-DA041.
The demonstration and the control system operation principle of hydraulic press for powder products slide block pressure of the present invention, speed are: after connecting power supply, a given value (0-4000) on touch-screen, this is worth corresponding given voltage 0-10V, this value is added on the built-in amplification plate of proportional pressure control valve (D and E) by analog output module, the flow size of controllable valve thus, thus realize the adjusting of slide block pressure.Pressure sensor is converted into the 4-20mA current signal with the pressure signal of 0-400Bar, and this signal value is shown on touch-screen by the CPU processing via after the collection of analog quantity input module, being converted into digital quantity, is slide block pressure.The signal value of displacement transducer also is 4-20mA, be converted into digital quantity via the collection of analog quantity input module equally after, handle by CPU and on touch-screen, to show, be slider displacement; In program, can obtain the real-time speed of slide block, can on touch-screen, show simultaneously by calculating.
Claims (4)
1. the demonstration and the control system of a hydraulic press for powder products slide block pressure, speed, it is characterized in that: include respectively be arranged on hydraulic press (1) electrical control cabinet (5) in Programmable Logic Controller the PLC pressure sensor (3), proportional pressure control valve (4) and the displacement transducer (6) that are connected, wherein
Described pressure sensor (3) is arranged in the actuating unit (2) of hydraulic press (1), is used to detect slide block pressure;
Described proportional pressure control valve (4) is arranged in the actuating unit (2) of hydraulic press (1), is used for the pressure of adjusting slider;
Described displacement transducer (6) is arranged on the upright pressure post of hydraulic press (1), is used to detect slider displacement, obtains ram speed.
2. the demonstration and the control system of hydraulic press for powder products slide block pressure according to claim 1, speed is characterized in that: described pressure sensor (3) is connected with the analog quantity input module (8) of Programmable Logic Controller PLC.
3. the demonstration and the control system of hydraulic press for powder products slide block pressure according to claim 1, speed is characterized in that: the built-in amplification plate in the described proportional pressure control valve (4) is connected with the analog output module (9) of Programmable Logic Controller PLC.
4. the demonstration and the control system of hydraulic press for powder products slide block pressure according to claim 1, speed is characterized in that: described displacement transducer (6) is connected with the analog quantity input module (10) of Programmable Logic Controller PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010214529A CN101863140A (en) | 2010-07-01 | 2010-07-01 | Slide block pressure and speed display and control system of hydraulic press for powder products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010214529A CN101863140A (en) | 2010-07-01 | 2010-07-01 | Slide block pressure and speed display and control system of hydraulic press for powder products |
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| CN101863140A true CN101863140A (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010214529A Pending CN101863140A (en) | 2010-07-01 | 2010-07-01 | Slide block pressure and speed display and control system of hydraulic press for powder products |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248701A (en) * | 2011-06-08 | 2011-11-23 | 天津市天锻压力机有限公司 | Frequency converter speed adjusting system of movable rotary pressure head frame type hydraulic machine |
| CN102303087A (en) * | 2011-09-20 | 2012-01-04 | 天津市天锻压力机有限公司 | Super dead-slow speed control method for slide block of hydraulic machine |
| CN102303421A (en) * | 2011-09-20 | 2012-01-04 | 天津市天锻压力机有限公司 | System and method for controlling running speed of hydraulic press |
| CN102501402A (en) * | 2011-12-02 | 2012-06-20 | 威海华东重工有限公司 | Hydraulic device capable of outputting constant force, and control method |
| CN104191643A (en) * | 2014-08-20 | 2014-12-10 | 江苏大学 | System and method for monitoring and controlling stamping speed and blank holder force of single-acting hydraulic press |
| CN105423977A (en) * | 2015-11-18 | 2016-03-23 | 合肥合锻机床股份有限公司 | Hydraulic press slider detection device and detection method thereof |
| CN107756867A (en) * | 2017-11-27 | 2018-03-06 | 吕言 | Forcing press intelligent controlling device, method and press machine system |
| CN112721268A (en) * | 2020-12-29 | 2021-04-30 | 深圳昶晖科技有限公司 | Press machine |
| CN114179432A (en) * | 2021-12-10 | 2022-03-15 | 重庆江东机械有限责任公司 | Full-automatic multi-station hydraulic press demoulding control system and control method |
| CN116275603A (en) * | 2023-05-25 | 2023-06-23 | 超音速人工智能科技股份有限公司 | Pressure and speed self-adaptive adjusting device and method for pinch roller of encoder |
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| CN201151207Y (en) * | 2007-11-22 | 2008-11-19 | 天津市天锻压力机有限公司 | Structure for adjusting speed of slider by proportional servo valve |
| CN201186506Y (en) * | 2008-04-02 | 2009-01-28 | 天津市第二锻压机床厂 | Four-column high precision hydraulic press with stroke control and detection device |
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| EP0013727A1 (en) * | 1978-12-23 | 1980-08-06 | Bayer Ag | Preparation of (thio)hydantoins and their application as heat-resistant coatings, films, powders, adhesives, moulded products, lacquers and fibres |
| US5247881A (en) * | 1991-04-10 | 1993-09-28 | Harris Waste Management Group, Inc. | Horizontal baling apparatus |
| JPH10220406A (en) * | 1997-02-04 | 1998-08-21 | Daikin Ind Ltd | Control device for processing machine |
| CN2670103Y (en) * | 2003-11-24 | 2005-01-12 | 天津市天锻压力机有限公司 | Run-length controller of precision intelligent digital control hydropress |
| CN101164767A (en) * | 2006-10-19 | 2008-04-23 | 天津市天锻压力机有限公司 | Energy-saving hydraulic press control device |
| CN201151207Y (en) * | 2007-11-22 | 2008-11-19 | 天津市天锻压力机有限公司 | Structure for adjusting speed of slider by proportional servo valve |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248701A (en) * | 2011-06-08 | 2011-11-23 | 天津市天锻压力机有限公司 | Frequency converter speed adjusting system of movable rotary pressure head frame type hydraulic machine |
| CN102303087A (en) * | 2011-09-20 | 2012-01-04 | 天津市天锻压力机有限公司 | Super dead-slow speed control method for slide block of hydraulic machine |
| CN102303421A (en) * | 2011-09-20 | 2012-01-04 | 天津市天锻压力机有限公司 | System and method for controlling running speed of hydraulic press |
| CN102501402A (en) * | 2011-12-02 | 2012-06-20 | 威海华东重工有限公司 | Hydraulic device capable of outputting constant force, and control method |
| CN104191643B (en) * | 2014-08-20 | 2016-05-25 | 江苏大学 | The monitoring of single action hydraulic press drawing velocity and pressure-pad-force and control system and method |
| CN104191643A (en) * | 2014-08-20 | 2014-12-10 | 江苏大学 | System and method for monitoring and controlling stamping speed and blank holder force of single-acting hydraulic press |
| CN105423977A (en) * | 2015-11-18 | 2016-03-23 | 合肥合锻机床股份有限公司 | Hydraulic press slider detection device and detection method thereof |
| CN107756867A (en) * | 2017-11-27 | 2018-03-06 | 吕言 | Forcing press intelligent controlling device, method and press machine system |
| CN107756867B (en) * | 2017-11-27 | 2023-12-29 | 吕言 | An intelligent control device of a press machine method and press system |
| CN112721268A (en) * | 2020-12-29 | 2021-04-30 | 深圳昶晖科技有限公司 | Press machine |
| CN114179432A (en) * | 2021-12-10 | 2022-03-15 | 重庆江东机械有限责任公司 | Full-automatic multi-station hydraulic press demoulding control system and control method |
| CN114179432B (en) * | 2021-12-10 | 2024-04-19 | 重庆江东机械有限责任公司 | Full-automatic multi-station hydraulic press demolding control system and control method |
| CN116275603A (en) * | 2023-05-25 | 2023-06-23 | 超音速人工智能科技股份有限公司 | Pressure and speed self-adaptive adjusting device and method for pinch roller of encoder |
| CN116275603B (en) * | 2023-05-25 | 2023-08-22 | 超音速人工智能科技股份有限公司 | Pressure and speed self-adaptive adjusting device and method for pinch roller of encoder |
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Application publication date: 20101020 |