CN201506029U - Dynamic levelling device applied on glass fiber reinforced plastic product hydraulic press - Google Patents
Dynamic levelling device applied on glass fiber reinforced plastic product hydraulic press Download PDFInfo
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- CN201506029U CN201506029U CN2009200983411U CN200920098341U CN201506029U CN 201506029 U CN201506029 U CN 201506029U CN 2009200983411 U CN2009200983411 U CN 2009200983411U CN 200920098341 U CN200920098341 U CN 200920098341U CN 201506029 U CN201506029 U CN 201506029U
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Abstract
The utility model provides a dynamic levelling device applied on a glass fiber reinforced plastic product: hydraulic press which comprises four same passive cylinders for supporting sliding blocks of the hydraulic press, each passive cylinder connects with a proportion directional valve correspondingly for controlling the position of the passive hydraulic cylinder; an oil path of each passive cylinder is provided with two pressure sensors for detecting the pressure intensity of each component of the passive cylinder hydraulic system; four absolute value straight line displacement sensors arranged on four passive cylinders for detecting the positions of four passive cylinders; a hydraulic synchronous controller with five-shaft, an output end of the hydraulic synchronous controller with five-shaft connects with the proportion directional valve for controlling the action of the proportion directional valve, the output end of the hydraulic synchronous controller with five-shaft also connects with the absolute value straight line displacement sensors; an input end of the hydraulic synchronous controller with five-shaft connects with an output end of a control mechanism. The utility model has large energy consumption and useless power, but has higher precision and stability, which is particularly suitable for the equipment having high requirement to dynamic level degree.
Description
Technical field
The utility model belongs to a kind of hydraulic press passive four-corner leveling dynamic device, particularly relates to a kind ofly guaranteeing that levelness in the hydraulic press pressing process reaches the dynamic leveling device on the glass fiber product hydraulic press of being applied in of predetermined accuracy.
Background technology
At present, along with the continuous development of technical force in the plate forming industries such as automobile, subway, light rail, safety glass fiberizing product rely on high strength, high tenacity, the characteristic of self controlled, adhere to advantages such as lacquer anti-ly collides with, low weight, low cost and shoot up and be the ideal substitute of steel-product.
Owing to there is bigger and irregular stress in the safety glass fiberizing process, therefore inclination among a small circle can take place in the slide block of general hydraulic press, and repeatedly back and forth use will be accumulated as bigger compacting error.And glass fiber reinforced plastics product mould now is more and more accurate, and the compacting precision reaches μ m, not only positional precision, velocity accuracy is required very highly, especially the horizontal accuracy in the slide block pressing process has been had higher requirement.
Summary of the invention
The utility model provides a kind of and guarantees that levelness in the hydraulic press pressing process reaches the dynamic leveling device on the glass fiber product hydraulic press of being applied in of predetermined accuracy for solving the technical problem that exists in the known technology.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is: a kind of dynamic leveling device that is applied on the glass fiber product hydraulic press, include four identical support hydraulic pressure machine slide blocks that are used for, and the passive cylinder of four jiaos of leveling slide blocks, each passive cylinder all correspondence connects a proportional reversing valve, is used to control the position of passive cylinder hydraulic pressure; All be provided with two pressure sensors on the oil circuit of each passive cylinder, be used to detect the each several part pressure of passive cylinder hydraulic system; Four corresponding respectively absolute value linear displacement transducers that are used to detect four passive cylinder positions on four passive cylinders that are arranged on; Five hydraulic pressure isochronous controllers, the output of described five hydraulic pressure isochronous controllers links to each other with each proportional reversing valve, be used to control the action of each proportional reversing valve, the output of described five hydraulic pressure isochronous controllers also links to each other with the absolute value linear displacement transducer; Also be provided with controlling organization, the input of described five hydraulic pressure isochronous controllers links to each other with the output of controlling organization.
Described controlling organization includes closed-loop control module and the programmable logic controller (PLC) PLC that links to each other with the closed-loop control module, and the output module of described programmable logic controller (PLC) PLC links to each other with the input of five hydraulic pressure isochronous controllers; The output module of described closed-loop control module links to each other with main hydraulic cylinder, is used to control the position and the speed of main hydraulic cylinder.
Described five hydraulic pressure isochronous controllers include four corresponding respectively interfaces that link to each other with four absolute value linear displacement transducers.
Described five hydraulic pressure isochronous controllers include four corresponding respectively interfaces that link to each other with four proportional reversing valves.
Described five hydraulic pressure isochronous controllers are to link to each other by the output module of interface with programmable logic controller (PLC) PLC.
Advantage and the good effect that the utlity model has are: the dynamic leveling device that is applied on the glass fiber product hydraulic press of the present utility model, adopt PLC (programmable logic controller (PLC)) control, gather relevant information by analog module, master cylinder position, velocity accuracy are by closed loop module controls (not being included within the utility model).PLC connects multiaxis hydraulic pressure isochronous controller by bus, and controller control ratio reversal valve conducting direction and logical oily flow are to reach the purpose of the passive cylinder position of control.Higher, the useless power of the utility model energy consumption is bigger, but higher precision and stability are arranged, and is particularly suitable for using in to the exigent equipment of dynamic level degree in this class of glass fiber product hydraulic press.
Description of drawings
Fig. 1 is a passive four-corner leveling device hydraulic principle schematic diagram;
Fig. 2 is a passive four-corner leveling Setup Controller schematic diagram;
Fig. 3 is a passive four-corner leveling device executing agency schematic diagram;
Fig. 4 is the interconnected figure of passive four-corner leveling control mechanism.
Label among the figure is respectively:
1a, 1b, the passive cylinder of 1c, 1d-; 2a, 2b, 2c, 2d-proportional reversing valve; BP4a, BP4b, BP4c, BP4d, BP5a, BP5b, BP5c, BP5d-pressure sensor; Five hydraulic pressure isochronous controllers of 4-; 5-absolute value linear displacement transducer; 6-programmable logic controller (PLC) PLC; 7-closed-loop control module; The 8-host computer; The 9-bus.
The specific embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and the conjunction with figs. detailed description dynamic leveling device that is applied on the glass fiber product hydraulic press of the present utility model is as follows:
As Fig. 1, Fig. 2, shown in Figure 3, the dynamic leveling device that is applied on the glass fiber product hydraulic press of the present utility model, include four identical support hydraulic pressure machine slide blocks that are used for, and passive cylinder 1a, 1b, 1c, the 1d of four jiaos of leveling slide blocks, each passive cylinder 1a, 1b, 1c, 1d correspondence connect proportional reversing valve 2a, a 2b, 2c, 2d, are used to control the position of passive cylinder hydraulic pressure; All be provided with two pressure sensor BP4a, BP4b, BP4c, BP4d, BP5a, BP5b, BP5c, BP5d on the oil circuit of each passive cylinder 1a, 1b, 1c, 1d, be used to detect the each several part pressure of passive cylinder hydraulic system; Four corresponding respectively SSI absolute value linear displacement transducers 5 (have identical four groups, only provide a group among the figure) that are used to detect four passive cylinder 1a, 1b, 1c, 1d position on four passive cylinder 1a, 1b, 1c, the 1d that are arranged on; Five hydraulic pressure isochronous controllers 4, the output of described five hydraulic pressure isochronous controllers 4 links to each other with each proportional reversing valve 2a, 2b, 2c, 2d, be used to control the action of each proportional reversing valve 2a, 2b, 2c, 2d, the output of described five hydraulic pressure isochronous controllers 4 also links to each other with absolute value linear displacement transducer 5.Also be provided with controlling organization, the input of described five hydraulic pressure isochronous controllers 4 links to each other with the output of controlling organization.
Described five hydraulic pressure isochronous controllers 4 include four corresponding respectively interfaces 10 that link to each other with four SSI absolute value linear displacement transducers 5.
Described five hydraulic pressure isochronous controllers 4 include four corresponding respectively interfaces 12 that link to each other with four proportional reversing valve 2a, 2b, 2c, 2d.
Described five hydraulic pressure isochronous controllers 4 are to link to each other by the output module of interface 11 with programmable logic controller (PLC) PLC6.
As shown in Figure 4, described controlling organization includes closed-loop control module 7 and the programmable logic controller (PLC) PLC 6 that links to each other with closed-loop control module 7, and the output module of described programmable logic controller (PLC) PLC 6 links to each other with the input of five hydraulic pressure isochronous controllers 4; The output module of described closed-loop control module 7 links to each other with main hydraulic cylinder, is used to control the position and the speed of main hydraulic cylinder.
The utility model adopts the programmable logic controller (PLC) PLC 6 of S7-300 series of Siemens as controlling organization, and additional I/O unit, analog quantity I/O unit, position input module, closed-loop control module 7 etc. are connected with multiple signalling component, sensor and form complete glass fiber product hydraulic press digital control system the technological process of hydraulic press is controlled.
Operation principle of the present utility model is: the CPU 315-DP of programmable logic controller (PLC) PLC 6 is connected by five hydraulic pressure isochronous controllers 4 of Profibus bus 9 and host computer 8 and German BOSCH-REXROTH VT-MX4 by the DP port and forms bus network.Five hydraulic pressure isochronous controllers 4 of VT-MX4 detect passive cylinder position by the SSI absolute value linear displacement transducer 5 that 15 pin SSI interfaces connect American MTS company, connect position and the pressure that four proportional reversing valve 2a, 2b, 2c, 2d control four passive cylinder 1a, 1b, 1c, 1d by 25 pin analog quantity input/output interfaces.Passive cylinder 1a, 1b, 1c, the Position Control proportional reversing valve 2a of 1d, 2b, 2c, 2d that five hydraulic pressure isochronous controllers 4 of VT-MX4 collect programmable logic controller (PLC) PLC 6 from host computer 8 the setting value to master cylinder position, speed collects in conjunction with SSI absolute value linear displacement transducer 5, make passive cylinder 1a, 1b, 1c, 1d passive descending under the compacting of slide block, in the reaction force balance that passive cylinder 1a, 1b, 1c, 1d occur leaning under four jiaos of unbalanced situations.
After finishing once compacting, slide block is got back to initial position, and passive cylinder 1a, 1b, 1c, 1d are reset to and the position is set waits for and working next time.
Claims (5)
1. dynamic leveling device that is applied on the glass fiber product hydraulic press, include four identical support hydraulic pressure machine slide blocks that are used for, and the passive cylinder (1a, 1b, 1c, 1d) of four jiaos of leveling slide blocks, it is characterized in that: each passive cylinder (1a, 1b, 1c, 1d) all correspondence connects a proportional reversing valve (2a, 2b, 2c, 2d), is used to control the position of passive cylinder hydraulic pressure; All be provided with two pressure sensors (BP4a, BP4b, BP4c, BP4d, BP5a, BP5b, BP5c, BP5d) on the oil circuit of each passive cylinder (1a, 1b, 1c, 1d), be used to detect the each several part pressure of passive cylinder hydraulic system; Four respectively correspondence be arranged on the absolute value linear displacement transducer (5) that is used to detect four passive cylinders (1a, 1b, 1c, 1d) position on four passive cylinders (1a, 1b, 1c, 1d); One five hydraulic pressure isochronous controllers (4), the output of described five hydraulic pressure isochronous controllers (4) links to each other with each proportional reversing valve (2a, 2b, 2c, 2d), be used to control the action of each proportional reversing valve (2a, 2b, 2c, 2d), the output of described five hydraulic pressure isochronous controllers (4) also links to each other with absolute value linear displacement transducer (5); Also be provided with controlling organization, the input of described five hydraulic pressure isochronous controllers (4) links to each other with the output of controlling organization.
2. the dynamic leveling device that is applied on the glass fiber product hydraulic press according to claim 1, it is characterized in that: described controlling organization includes closed-loop control module (7) and the programmable logic controller (PLC) PLC (6) that links to each other with closed-loop control module (7), and the output module of described programmable logic controller (PLC) PLC (6) links to each other with the input of five hydraulic pressure isochronous controllers (4); The output module of described closed-loop control module (7) links to each other with main hydraulic cylinder, is used to control the position and the speed of main hydraulic cylinder.
3. the dynamic leveling device that is applied on the glass fiber product hydraulic press according to claim 1 is characterized in that: described five hydraulic pressure isochronous controllers (4) include four corresponding respectively interfaces (10) that link to each other with four absolute value linear displacement transducers (5).
4. the dynamic leveling device that is applied on the glass fiber product hydraulic press according to claim 1 is characterized in that: described five hydraulic pressure isochronous controllers (4) include four corresponding respectively interfaces (12) that link to each other with four proportional reversing valves (2a, 2b, 2c, 2d).
5. the dynamic leveling device that is applied on the glass fiber product hydraulic press according to claim 1 is characterized in that: described five hydraulic pressure isochronous controllers (4) are to link to each other by the output module of interface (11) with programmable logic controller (PLC) PLC (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200983411U CN201506029U (en) | 2009-08-14 | 2009-08-14 | Dynamic levelling device applied on glass fiber reinforced plastic product hydraulic press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200983411U CN201506029U (en) | 2009-08-14 | 2009-08-14 | Dynamic levelling device applied on glass fiber reinforced plastic product hydraulic press |
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| CN201506029U true CN201506029U (en) | 2010-06-16 |
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| CN2009200983411U Expired - Lifetime CN201506029U (en) | 2009-08-14 | 2009-08-14 | Dynamic levelling device applied on glass fiber reinforced plastic product hydraulic press |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363345A (en) * | 2011-06-30 | 2012-02-29 | 天津市天锻压力机有限公司 | Control system for leveling four corners of hydraulic press |
| CN102380569A (en) * | 2011-09-20 | 2012-03-21 | 天津市天锻压力机有限公司 | Control method for setting constant speed, constant strain and variable strain process pressing curve |
| CN101693410B (en) * | 2009-08-14 | 2013-01-09 | 天津市天锻压力机有限公司 | Passive four-corner leveling dynamic device for glass fiber reinforced plastic hydraulic machine |
| CN103660359A (en) * | 2013-11-19 | 2014-03-26 | 浙江大学 | Hydraulic control system and method for passive type four-corner-leveling hydraulic press |
| CN104454799A (en) * | 2014-12-01 | 2015-03-25 | 北京机械设备研究所 | Displacement-feedback-based hydraulic device leveling speed synchronization method |
| CN110756712A (en) * | 2019-11-08 | 2020-02-07 | 合肥合锻智能制造股份有限公司 | Large-scale precision isothermal forging hydraulic press with four-corner active leveling function |
-
2009
- 2009-08-14 CN CN2009200983411U patent/CN201506029U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693410B (en) * | 2009-08-14 | 2013-01-09 | 天津市天锻压力机有限公司 | Passive four-corner leveling dynamic device for glass fiber reinforced plastic hydraulic machine |
| CN102363345A (en) * | 2011-06-30 | 2012-02-29 | 天津市天锻压力机有限公司 | Control system for leveling four corners of hydraulic press |
| CN102380569A (en) * | 2011-09-20 | 2012-03-21 | 天津市天锻压力机有限公司 | Control method for setting constant speed, constant strain and variable strain process pressing curve |
| CN103660359A (en) * | 2013-11-19 | 2014-03-26 | 浙江大学 | Hydraulic control system and method for passive type four-corner-leveling hydraulic press |
| CN103660359B (en) * | 2013-11-19 | 2015-06-17 | 浙江大学 | Hydraulic control system and method for passive type four-corner-leveling hydraulic press |
| CN104454799A (en) * | 2014-12-01 | 2015-03-25 | 北京机械设备研究所 | Displacement-feedback-based hydraulic device leveling speed synchronization method |
| CN110756712A (en) * | 2019-11-08 | 2020-02-07 | 合肥合锻智能制造股份有限公司 | Large-scale precision isothermal forging hydraulic press with four-corner active leveling function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100616 Effective date of abandoning: 20090814 |
|
| RGAV | Abandon patent right to avoid regrant |