CN200988312Y - Real time controlled hydraulic press - Google Patents
Real time controlled hydraulic press Download PDFInfo
- Publication number
- CN200988312Y CN200988312Y CN 200620067615 CN200620067615U CN200988312Y CN 200988312 Y CN200988312 Y CN 200988312Y CN 200620067615 CN200620067615 CN 200620067615 CN 200620067615 U CN200620067615 U CN 200620067615U CN 200988312 Y CN200988312 Y CN 200988312Y
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- hydraulic press
- real
- time control
- oil cylinder
- slide block
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Abstract
The utility model relates to a real-time control hydraulic press, comprising a body, framework of the body is composed of a left pillar, a right pillar, an upper beam and a lower beam. The upper beam is provided with an oil cylinder, and one end of the oil cylinder is connected to a sliding block arranged on the body. The oil cylinder is equipped with a pressure sensor, while the hydraulic press is provided with a real-time control device composed of a micro processor unit and a monitoring unit. While the micro processor unit is for the purpose of controlling the running of the hydraulic press, the monitoring unit is composed of a speed sensor and a position sensor both arranged on the sliding block. Moreover, the pressure sensor, the speed sensor and the position sensor are electrically connected with the micro processor unit separately. The utility model has advantages of simple and reasonable structure, low manufacturing cost, flexible operation, high control accuracy as well as low power consumption. Thanks to the high frequency regulation capability, fast response speed and prompt system stability, the utility model meets demands of forming for all kinds of complex products. With a wider adjusting range of pressure as well as velocity, the utility mode can be applied to a variety of materials.
Description
Technical field
The utility model relates to a kind of hydraulic press, particularly relates to a kind of hydraulic press of real-time control.
Background technology
A kind of large titanium alloy goods hydraulic forging press that has four jiaos of synchronous levelling devices of hydraulic pressure is disclosed among the Chinese patent CN03257920.9, be by master cylinder is housed on entablature, master cylinder even is loaded on moved cross beam, the mould that the compacting workpiece is installed between moved cross beam and sill is formed, it is characterized in that: the synchronous levelling device of hydraulic pressure is installed respectively at entablature four jiaos, the concrete structure of the synchronous levelling device of described hydraulic pressure constitutes, one jiao at entablature is equipped with the hydraulic pressure synchronous fuel tank, on the hydraulic pressure synchronous fuel tank hydraulic controller is housed, piston rod on the hydraulic pressure synchronous fuel tank and moved cross beam company dress connect between entablature by the hydraulic pressure synchronous fuel tank and the moved cross beam position sensor and detection ring are housed.The hydraulic press parts of this structure are various, complex structure, and cost of manufacture is high.
The utility model content
Technical problem to be solved in the utility model be to provide a kind of simple and reasonable, cost of manufacture is low, the hydraulic press of flexible operation, control accuracy height, real-time control that energy consumption is low, to overcome weak point of the prior art.
The technical scheme in the invention for solving the above technical problem is: a kind of hydraulic press of real-time control, comprise the fuselage that constitutes frame structure by left column, right column, entablature and sill, entablature, left column, right column and sill are connected with pull bar, and pretension; Oil cylinder is arranged on the entablature, oil cylinder one end joins with the slide block that is arranged on the fuselage, oil cylinder is provided with pressure sensor, and its architectural feature is that hydraulic press is provided with real-time control apparatus, and real-time control apparatus comprises the microprocessor and the testing agency of control hydraulic press work; This testing agency comprises the velocity sensor that is arranged on the slide block.
Locate with positioning key respectively on composition surface between lower and upper cross-member and the left and right pillar, with pull bar it is connected respectively again, and carry out pretension with 1.25 times of pretightning forces to nominal pressure, therefore, the single-piece weight of fuselage is little, easily processing, the relatively easy assurance is installed, and assembly is shaped fast, and the overall precision and the rigidity of fuselage are guaranteed, and fuselage interior is impacted little, has increased the service life of machine.
Above-mentioned testing agency also comprises the position sensor that is arranged on the slide block; Pressure sensor, velocity sensor and position sensor are electrically connected respectively with microprocessor.
Above-mentioned real-time control apparatus also comprises the oil cylinder controlling organization that is arranged on the slide block, this oil cylinder controlling organization joins with oil cylinder and variable pump mechanism by oil pipe respectively, variable pump mechanism and drive motors join by intermediate shaft coupling, join by amplifier between variable pump mechanism and the microprocessor; Include variable in the variable pump mechanism and regulate pump.
Be respectively arranged with guiding mechanism between above-mentioned slide block two ends and the left column of fuselage and the right column, this guiding mechanism comprise be separately positioned on left column, right column and the slide block, corresponding cylinder roller bearing.
Guiding mechanism of the present utility model links to each other with slide block with column respectively, adopts the octahedral guide frame, the guiding good rigidity, and the anti-bias load performance is strong.The slide unit of guiding mechanism adopts cylindrical roller, it is rolling friction each other, lubricating condition is good, and the coefficient of kinetic friction and confficient of static friction are little, and the difference of dynamic and static coefficient of friction is also little, the hydraulic press starting steadily, hysteresis phenomenon is little, can satisfy the low speed requirement of machine, makes machine have good high, low speed performance and positioning performance, its site error ± 0.01mm, pressure error ± 0.2Mpa.Guiding mechanism is a monolithic construction, and the rigidity of self is higher relatively, and the adjustment in friction pair gap is simple and easy to do.
The speed regulating method of common hydraulic press is for using throttle grverning, and unnecessary flow is through the overflow valve overflow, and this situation causes the hydraulic press heating serious easily, wastes energy.And the utility model is regulated operating rate by changing POF, and no unnecessary flow can not caused system's heating by overflow, thereby more energy-conservation than common hydraulic press, and systematic function is more stable.
The utility model regulating frequency height, response speed is fast, and system stability is fast, can satisfy the forming requirements of all kinds of the part with complicated structure, and its pressure, speed adjusting range are wide, can be adapted to different materials.
In sum, simple and reasonable, cost of manufacture is low, flexible operation, control accuracy height, energy consumption are low.
Description of drawings
Fig. 1 is the utility model one example structure schematic diagram.
Fig. 2 analyses and observe the structure for amplifying schematic diagram for cylinder.
Fig. 3 is an A-A sectional structure schematic diagram among Fig. 1.
Fig. 4 is the utility model control block diagram.
Fig. 5 is the utility model workflow diagram.
Fig. 6 is the utility model performance chart.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Among the figure, 1 is electrical control mechanism, and 2 is sill, 3 is left column, and 4 is entablature, and 5 is the oil cylinder controlling organization, 6 is oil cylinder, and 7 is slide block, and 8 is right column, 9 is cylinder block, and 10 is flange, and 11 is guiding mechanism, 12 is power line, 13 is signal control line, and 14 is piston, and 15 is last sealing ring, 16 and 19 is guide collar, and 17 is the cylinder body flange, and 18 is lower seal, 20 is drive motors, and 21 is intermediate shaft coupling, and 22 is variable pump mechanism, 23 is electric machine controller, and 24 is man machine operation interface, and 25 is microprocessor, 26 is amplifier A, and 27 is amplifier B, and 28 is velocity sensor, 29 is position sensor, and 30 is pressure sensor.
Referring to Fig. 1-Fig. 6, this is the hydraulic press of control in real time, comprises the fuselage that is made of frame structure left column 3, right column 8, entablature 4 and sill 2, and the cylinder body 9 of oil cylinder 6 is fixed on the entablature 4, and flange 10 links to each other with slide block 7.The piston 14 of oil cylinder is provided with sealing ring 15, guide collar 16, and the cylinder body flange 17 of oil cylinder is provided with lower seal 18, guide collar 19, sees Fig. 1 and Fig. 2; Sealing ring and guide collar all adopt the small size cross section, and wear rate is low, and the coefficient of kinetic friction and confficient of static friction are little and difference is also little, and starting is steady, the control response sensitivity.Guide collar is arranged on the front of the sealing ring direction of motion, can avoid the direct contact of metal between the friction pair on the one hand and rigid wearing and tearing and collision take place, can will clean out oil cylinder on the other hand attached to wear debris on the cylinder wall and residue excess, and with the purification of hydraulic oil inflow filter, to improve the life-span and the reliability of oil cylinder.Be respectively arranged with guiding mechanism 11 between the left column 3 of slide block 7 two ends and fuselage and the right column 8, see Fig. 3, this guiding mechanism 11 comprise be separately positioned on left column 3, right column 8 and the slide block 7, corresponding cylinder roller bearing.Cylinder roller bearing is four groups, is separately positioned on the left and right end portions of slide block 7.
Hydraulic press is provided with real-time control apparatus, and real-time control apparatus comprises electrical control mechanism 1, testing agency and oil cylinder controlling organization 5 etc.
Wherein, electrical control mechanism 1 settles separately, is installed in the position of the body certain distance of disembarking, and electrical control mechanism 1 comprises microprocessor 25, amplifier A26 and the amplifier B27 of electric machine controller 23, man machine operation interface 24, the work of control hydraulic press; Electrical control mechanism 1 links to each other with oil cylinder controlling organization 5 by power line 12, signal control line 13, sees Fig. 4.Testing agency comprises velocity sensor 28 and the position sensor 29 that is arranged on the slide block 7, and is arranged on the pressure sensor 30 on the oil cylinder 6, and pressure sensor 30, velocity sensor 28 and position sensor are electrically connected respectively with microprocessor 25, see Fig. 4.Oil cylinder controlling organization 5 joins with oil cylinder 6 and variable pump mechanism 22 by oil pipe respectively, and variable pump mechanism 22 joins by intermediate shaft coupling 21 with drive motors 20, joins by two amplifier A and B between variable pump mechanism 22 and the microprocessor 25; Include variable in the variable pump mechanism 22 and regulate pump, see Fig. 4.
The hydraulic press workflow is: microprocessor and each sensing data zero clearing, see Fig. 5, set benchmark point (being zero point), established data is through the man machine operation interface input microprocessor, D/A switch through microprocessor, corresponding current signal is input amplifier A and B respectively, and the amplified current signal is the ratio coil of input variable pump machanism respectively, and variable pump mechanism promptly exports corresponding pressure and flow.Change output current, can change the output flow of variable pump, also just change the operating rate of oil cylinder.Simultaneously, velocity sensor, position sensor and pressure sensor are monitored position, pressure and the pressure of oil cylinder executing state respectively, and give microprocessor with signal feedback, compare with initial data, again output.
Adopt the hydraulic press of this real-time control apparatus, can be through the comparison of the data and curves of actual samples and theoretical curve referring to Fig. 6, its control accuracy is very high.Wherein, solid line representation theory curve, dotted line is represented sampling curve, P axle representative pressure, the S axle is represented the time.
Claims (7)
1. real-time hydraulic press of control, comprise the fuselage that constitutes frame structure by left column (3), right column (8), entablature (4) and sill (2), oil cylinder (6) is arranged on the entablature, oil cylinder one end joins with the slide block (7) that is arranged on the fuselage, oil cylinder is provided with pressure sensor (30), it is characterized in that described hydraulic press is provided with real-time control apparatus, real-time control apparatus comprises the microprocessor (25) and the testing agency of control hydraulic press work; This testing agency comprises the velocity sensor (28) that is arranged on the slide block.
2. the hydraulic press of real-time control according to claim 1 is characterized in that described testing agency also comprises the position sensor (29) that is arranged on the slide block (7); Pressure sensor (30), velocity sensor (28) and position sensor are electrically connected respectively with microprocessor (25).
3. the hydraulic press of real-time control according to claim 2, it is characterized in that described real-time control apparatus also comprises the oil cylinder controlling organization (5) that is arranged on the slide block (7), this oil cylinder controlling organization joins with oil cylinder (6) and variable pump mechanism (22) by oil pipe respectively, variable pump mechanism and drive motors (20) join by intermediate shaft coupling (21), and variable pump mechanism and microprocessor join by amplifier between (25); Include variable in the variable pump mechanism and regulate pump.
4. the hydraulic press of real-time control according to claim 3 is characterized in that described amplifier is two.
5. the hydraulic press of real-time control according to claim 3 is characterized in that described real-time control apparatus also comprises man machine operation interface (24), and man machine operation interface is electrically connected with microprocessor (25),
6. according to the hydraulic press of the arbitrary described real-time control of claim 1 to 3, it is characterized in that being respectively arranged with guiding mechanism (11) between the left column (3) of described slide block (7) two ends and fuselage and the right column (8), this guiding mechanism comprise be separately positioned on left column, right column and the slide block, corresponding cylinder roller bearing.
7. the hydraulic press of real-time control according to claim 6 is characterized in that described cylinder roller bearing is four groups, is separately positioned on the left and right end portions of slide block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620067615 CN200988312Y (en) | 2006-11-10 | 2006-11-10 | Real time controlled hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620067615 CN200988312Y (en) | 2006-11-10 | 2006-11-10 | Real time controlled hydraulic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200988312Y true CN200988312Y (en) | 2007-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620067615 Expired - Fee Related CN200988312Y (en) | 2006-11-10 | 2006-11-10 | Real time controlled hydraulic press |
Country Status (1)
| Country | Link |
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| CN (1) | CN200988312Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985151A (en) * | 2010-08-02 | 2011-03-16 | 天津市天锻压力机有限公司 | Bidirectional couple four-corner levelling control system |
| CN102615845A (en) * | 2012-04-23 | 2012-08-01 | 宁波恒力液压股份有限公司 | Composite material hydraulic press system |
| CN104019068A (en) * | 2014-06-11 | 2014-09-03 | 虔东稀土集团股份有限公司 | Three-shaft linkage control device and method of hydraulic system of powder pressing machine |
| CN104139423A (en) * | 2014-07-31 | 2014-11-12 | 北京印刷学院 | Die-cutting pressure online detection device for flat die-cutting machine |
| CN104669672A (en) * | 2013-11-26 | 2015-06-03 | 西华大学 | Microforming servo 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 |
| CN105643983A (en) * | 2016-02-01 | 2016-06-08 | 河北科技师范学院 | Electric automation control device applied to heavy type hydraulic machine |
| CN107775751A (en) * | 2016-08-29 | 2018-03-09 | 安徽富强竹业有限公司 | A kind of bamboo chip hot-press arrangement |
| CN108146001A (en) * | 2017-12-25 | 2018-06-12 | 重庆蔡氏液压设备有限公司 | A kind of frame-type inside gadget hydraulic press |
| CN108189462A (en) * | 2017-12-19 | 2018-06-22 | 佛山市洪博创展自动化科技有限公司 | A kind of four-column hydraulic press energy-saving control system and its method |
| WO2018152965A1 (en) * | 2017-02-23 | 2018-08-30 | 江苏铭格锻压设备有限公司 | Application system of hydraulic machine cylinder and body frame structure based on finite element analysis |
| CN109572026A (en) * | 2018-12-01 | 2019-04-05 | 江苏汉东机械有限公司 | A kind of hydraulic press |
| CN110014062A (en) * | 2019-04-15 | 2019-07-16 | 重庆稳稳科技有限公司 | Adaptive high-precision punching press numerically-controlled machine tool |
| CN110014064A (en) * | 2019-04-15 | 2019-07-16 | 重庆稳稳科技有限公司 | The fluid power system of high-accuracy punching press numerically-controlled machine tool |
| CN110014063A (en) * | 2019-04-15 | 2019-07-16 | 重庆稳稳科技有限公司 | The adaptive stamping system of press machine |
-
2006
- 2006-11-10 CN CN 200620067615 patent/CN200988312Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985151A (en) * | 2010-08-02 | 2011-03-16 | 天津市天锻压力机有限公司 | Bidirectional couple four-corner levelling control system |
| CN101985151B (en) * | 2010-08-02 | 2012-07-25 | 天津市天锻压力机有限公司 | Bidirectional couple four-corner levelling control system |
| CN102615845A (en) * | 2012-04-23 | 2012-08-01 | 宁波恒力液压股份有限公司 | Composite material hydraulic press system |
| CN102615845B (en) * | 2012-04-23 | 2015-05-20 | 宁波恒力液压股份有限公司 | Composite material hydraulic press system |
| CN104669672A (en) * | 2013-11-26 | 2015-06-03 | 西华大学 | Microforming servo press |
| CN104019068A (en) * | 2014-06-11 | 2014-09-03 | 虔东稀土集团股份有限公司 | Three-shaft linkage control device and method of hydraulic system of powder pressing machine |
| CN104139423A (en) * | 2014-07-31 | 2014-11-12 | 北京印刷学院 | Die-cutting pressure online detection device for flat die-cutting machine |
| 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 |
| CN105643983A (en) * | 2016-02-01 | 2016-06-08 | 河北科技师范学院 | Electric automation control device applied to heavy type hydraulic machine |
| CN107775751A (en) * | 2016-08-29 | 2018-03-09 | 安徽富强竹业有限公司 | A kind of bamboo chip hot-press arrangement |
| WO2018152965A1 (en) * | 2017-02-23 | 2018-08-30 | 江苏铭格锻压设备有限公司 | Application system of hydraulic machine cylinder and body frame structure based on finite element analysis |
| CN108189462A (en) * | 2017-12-19 | 2018-06-22 | 佛山市洪博创展自动化科技有限公司 | A kind of four-column hydraulic press energy-saving control system and its method |
| CN108146001A (en) * | 2017-12-25 | 2018-06-12 | 重庆蔡氏液压设备有限公司 | A kind of frame-type inside gadget hydraulic press |
| CN109572026A (en) * | 2018-12-01 | 2019-04-05 | 江苏汉东机械有限公司 | A kind of hydraulic press |
| CN110014062A (en) * | 2019-04-15 | 2019-07-16 | 重庆稳稳科技有限公司 | Adaptive high-precision punching press numerically-controlled machine tool |
| CN110014064A (en) * | 2019-04-15 | 2019-07-16 | 重庆稳稳科技有限公司 | The fluid power system of high-accuracy punching press numerically-controlled machine tool |
| CN110014063A (en) * | 2019-04-15 | 2019-07-16 | 重庆稳稳科技有限公司 | The adaptive stamping system of press machine |
| CN110014062B (en) * | 2019-04-15 | 2021-03-19 | 浙江永康华洋机械有限公司 | Self-adaptive high-precision stamping numerical control machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071212 Termination date: 20141110 |
|
| EXPY | Termination of patent right or utility model |