CN201154548Y - Multifunction servo crank press - Google Patents
Multifunction servo crank press Download PDFInfo
- Publication number
- CN201154548Y CN201154548Y CNU2008200437916U CN200820043791U CN201154548Y CN 201154548 Y CN201154548 Y CN 201154548Y CN U2008200437916 U CNU2008200437916 U CN U2008200437916U CN 200820043791 U CN200820043791 U CN 200820043791U CN 201154548 Y CN201154548 Y CN 201154548Y
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- CN
- China
- Prior art keywords
- crank
- servo
- control system
- crank press
- computer 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/14—Control arrangements for mechanically-driven presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/26—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks
- B30B1/266—Drive systems for the cam, eccentric or crank axis
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Presses (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The utility model relates to a multifunctional servo crank press which comprises a crank press that is driven by an alternating current servo motor. A main servo control unit of the alternating current servo motor is respectively connected with an electric network, an energy accumulating unit and a computer control system and the energy accumulating unit instantly releases electrical energy for carrying out stamping; the computer control system real-time controls the rotation angle, velocity and torquemoment of the alternating current servo motor according to preset procedures so as to realize the optimal operating mode; an output shaft of the alternating current servo motor is provided with a brake which is connected with the crank press by a positive speed gearbox in a transmission way. The crankshaft of the crank press and a lathe bed are respectively provided with an angle transducer and a displacement transducer which are used for respectively real-time detecting the displacement of the seal height of slipper blocks and the angle of the crankshaft, and feeding back the detected data signals to the computer control system so as to adjust correspondingly. The crank press of the utility model has simple and reasonable structure, thus really realizing diversified processing, high accuracy, high efficiency, low energy consumption and low noise.
Description
Technical field
The utility model relates to a kind of crank press, particularly a kind of multifunctional servo crank presser.
Background technology
Crank press is a most important process equipment in the plastic forming, its course of work mainly is that flywheel discharges the punching press merit, the curve movement of slide block is changeless in the whole work, speed changes by sinusoidal rule, can only satisfy certain technological requirement, this mode of operation and processing performance (noise is big, precision is low, energy consumption high) have been difficult to adapt to the demand of current production development.With the multi-link lever press is example, and the characteristic of its slide block is the curvilinear motion specific by, can not realize flexible change.Recently, the domestic market is strong day by day to the demand of the flexible pressing equipment of high accuracy, high-quality, low energy consumption, especially the appearance of new material and shaped article shape is complicated, the platform of an innovation is provided for the research and development multifunctional servo crank presser, and the progressively maturation of high power AC driven by servomotor and Computer Control Technology makes the exploitation of multifunctional servo crank presser become possibility.
Disclose the intelligent numerical control crank press of a kind of servo-drive among the Chinese patent literature CN2666656Y, the alternating-current permanent-magnet servo motor of its control system control drives the single gear pair, and wherein gear wheel drives the bent axle rotation; Above-mentioned driving control system comprises driven by servomotor control system and storage capacitor case, and the driven by servomotor control system is connected with alternating-current permanent-magnet servo motor and storage capacitor case respectively; Bent axle is provided with brake, and the kind of drive of the present utility model adopts compound mechanism or double reduction case, effectively reduces the servomotor output torque, has reduced manufacturing cost; And brake is arranged on motor shaft can select less brake for use, has dwindled installation volume and has reduced braking time; Bent axle is provided with angle detection device simultaneously, slide block is provided with displacement detector, and computer control system can be carried out real-time detection and adjustment to crankshaft angles and the displacement of slide block closed height.The utility model is also installed the telecommunication module in computer control system, can do long-range maintenance to complete machine.
The utility model content
The purpose of this utility model aims to provide a kind of simple and reasonable, multifunctional servo crank presser that service behaviour is more superior, to overcome weak point of the prior art.
A kind of multifunctional servo crank presser by this purpose design, comprise crank press by AC servo machinery driving, the main servo control module of AC servo motor is connected with electrical network, energy-storage units and computer control system respectively, its architectural feature is that the output shaft of AC servo motor is provided with brake, and be in transmission connection through reduction box and crank press, be respectively arranged with angular transducer and displacement transducer on the bent axle of crank press and the lathe bed, both are electrically connected with computer control system respectively.
The rear end of described AC servo motor output shaft is connected with normally closed brake, brake is electrically connected with the main servo control module again, front end is connected with the bent axle of crank press by compound multistage mechanism or two-stage gear reduction box, and the crank of bent axle drives slide block movement by connecting rod.Normally closed brake is being shut down or braking in emergency circumstances, and the equipment operation is safer.
Described angular transducer is a rotary encoder, is arranged on the end of crank press machine crankshaft.
Described slide block is provided with the fine setting motor of adjusting slider position, and motor shaft end is equipped with encoder, and the micro machine servo control unit links to each other with the fine adjustment motor, and is electrically connected with computer control system.
Described slide block lower end is set with patrix, and the below correspondence is provided with counterdie, and counterdie is fixedly connected on the workbench of lathe bed.
Be provided with the telecommunication module in the described computer control system, the outside also is connected with man-machine interface.
Be provided with electric capacity, resistance and on-off circuit in the described energy-storage units, electric capacity is electrically connected with the main servo control module by resistance and on-off circuit.
Above-mentioned AC servo motor, fine setting motor, displacement transducer man-machine interface link to each other with computer control system, the real-time control of realization ram speed, position and pressure, and have functions such as mode of operation information prestores, calls, demonstration.
Working method of the present utility model is that AC servo motor moves up and down through double reduction case and crankshaft connecting rod system driving slide block, and energy-storage units abrupt release electric current carries out punching press; Computer control system is controlled corner, speed and the moment of torsion of AC servo motor in real time according to default program, thereby realizes best mode of operation; Displacement transducer and rotary encoder are set, respectively the displacement of slide block closed height is detected in real time and crankshaft angles is detected in real time, and the data-signal that detects fed back to computer control system, if any departing from, computer control system starts the fine setting motor immediately, automatically closed-loop control is implemented in revisal; The telecommunication module is housed, so that implement remote maintenance in the computer control system.
When AC servo motor slows down, produce the high pressure back-emf in the driver, energy-storage units will be braked the electric energy that is produced; Or when electrical network was imported instantaneous large-current to forcing press, the current-limiting resistance of energy-storage units reduced its current value and self is charged, when expiring electricity, and the current-limiting resistance short circuit.Avoid circuit to be damaged because of heavy current impact, simultaneously, with the electrical power storage of not using in the electrical network.
When slide block enters pressing stroke, when running into huge live load, energy-storage units will discharge electric energy automatically and provide enough electric energy to make AC servo motor produce moment of torsion with electrical network, overcome live load; Maybe when shutdown, energy-storage units will discharge electric energy automatically, the electric shock accident when avoiding shutdown maintenance; Or when external power failure, energy-storage units discharges electric energy braking AC servo motor.
The utility model adopts the high power AC driven by servomotor, and the kinetic characteristic of slide block is variable, and position, speed, pressure are controlled.Rely on powerful computer control system, can work out different technology patterns, for example: quiet stamping-out, stamping-out, efficient pull and stretch, segmentation compacting or the like fast.In entire work process, except that the advantage that keeps original forcing press, also have clear superiorities such as environmental friendliness, energy-saving and cost-reducing, efficient, high accuracy, one-machine-multi-function.So various operational characteristic is particularly suitable for processing aluminium alloy extrusions, high-strength steel sheet, for the application and the auto parts punching press of new material provides the important equipment support, has also created a better prospect for the development of new technology, new technology.It is simple and reasonable, real realizes that processing is various, high accuracy, high efficiency, low energy consumption, low noise.
Description of drawings
Fig. 1 is the working method schematic diagram of the utility model one embodiment.
Among the figure: 1 is that energy-storage units, 2 is that main main servo control module, 3 is that AC servo motor, 4 is that brake, 5 is that angular transducer, 6 is that two-stage gear reduction box, 7 is that lathe bed, 8 is that bent axle, 9 is that connecting rod, 10 is that encoder, 11 is that adjusting motor, 12 is that slide block, 13 is that patrix, 14 is that counterdie, 15 is that workbench, 16 is that displacement transducer, 17 is that computer control system, 18 is that man-machine interface, 19 is the micro machine servo control unit.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1, this multifunctional servo crank presser, comprise the crank press that is driven by AC servo motor 3, AC servo motor directly links to each other with main servo control module 2, and the main servo control module also is connected with electrical network, energy-storage units 1 and computer control system 17 respectively.Be provided with electric capacity, resistance and on-off circuit in the energy-storage units 1, electric capacity is electrically connected with main servo control module 2 by resistance and on-off circuit.The rear end of AC servo motor 3 output shafts or front end are connected with normally closed brake 4, brake is electrically connected with main servo control module 2 again, front end is connected with the bent axle 8 of crank press by two-stage gear reduction box 6, and the crank of bent axle drives slide block 12 motions by connecting rod 9.Be respectively arranged with angular transducer 5 and displacement transducer 16 on bent axle 8 and the lathe bed 7, both are electrically connected with computer control system respectively.Angular transducer 5 is a rotary encoder, is arranged on the end of bent axle.Slide block 12 is provided with the fine setting motor 11 of adjusting slider position, and motor shaft end is equipped with encoder 10, and micro machine servo control unit 19 links to each other with the fine adjustment motor, and is electrically connected with computer control system 17.The slide block lower end is set with patrix 13, and the below correspondence is provided with counterdie 14, and counterdie is fixedly connected on the workbench 15 of lathe bed.Be provided with the telecommunication module in the computer control system, the outside also is connected with man-machine interface 17.
Claims (7)
1. multifunctional servo crank presser, comprise the crank press that drives by AC servo motor (3), the main servo control module (2) of AC servo motor connects electrical network, energy-storage units (1) and computer control system (17) respectively, the output shaft that it is characterized in that AC servo motor is provided with brake (4), and be in transmission connection through reduction box and crank press, be respectively arranged with angular transducer (5) and displacement transducer (16) on bent axle of crank press (8) and the lathe bed (7), both are electrically connected with computer control system respectively.
2. multifunctional servo crank presser according to claim 1, the rear end or the front end that it is characterized in that described AC servo motor output shaft are connected with normally closed brake, brake is connected with control system again, front end is connected with the bent axle of crank press by combined multi-stage mechanism or two-stage gear reduction box (6), and the crank of bent axle drives slide block (12) motion by connecting rod (9).
3. multifunctional servo crank presser according to claim 1 and 2 is characterized in that described angular transducer is a rotary encoder, is arranged on the end of crank press machine crankshaft.
4. multifunctional servo crank presser according to claim 3, it is characterized in that described slide block is provided with the fine setting motor (11) of adjusting slider position, motor shaft end is equipped with encoder (10), micro machine servo control unit (19) links to each other with the fine adjustment motor, and is electrically connected with computer control system.
5. multifunctional servo crank presser according to claim 4 is characterized in that described slide block lower end is set with patrix (13), and the below correspondence is provided with counterdie (14), and counterdie is fixedly connected on the workbench (15) of lathe bed.
6. multifunctional servo crank presser according to claim 5 is characterized in that being provided with in the described computer control system telecommunication module, and the outside also is connected with man-machine interface (18).
7. multifunctional servo crank presser according to claim 6 is characterized in that being provided with in the described energy-storage units electric capacity, resistance and on-off circuit, and electric capacity is electrically connected with the main servo control module by resistance and on-off circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200437916U CN201154548Y (en) | 2008-02-02 | 2008-02-02 | Multifunction servo crank press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200437916U CN201154548Y (en) | 2008-02-02 | 2008-02-02 | Multifunction servo crank press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201154548Y true CN201154548Y (en) | 2008-11-26 |
Family
ID=40102335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200437916U Expired - Fee Related CN201154548Y (en) | 2008-02-02 | 2008-02-02 | Multifunction servo crank press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201154548Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001189A (en) * | 2010-10-19 | 2011-04-06 | 南京埃斯顿数字技术有限公司 | Alternating current servo main drive system applied to mechanical crank pressing machine |
| CN101875199B (en) * | 2009-04-30 | 2013-03-06 | 浙江中科德润科技有限公司 | Reduction gear and control method thereof |
| CN104669672A (en) * | 2013-11-26 | 2015-06-03 | 西华大学 | Microforming servo press |
-
2008
- 2008-02-02 CN CNU2008200437916U patent/CN201154548Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875199B (en) * | 2009-04-30 | 2013-03-06 | 浙江中科德润科技有限公司 | Reduction gear and control method thereof |
| CN102001189A (en) * | 2010-10-19 | 2011-04-06 | 南京埃斯顿数字技术有限公司 | Alternating current servo main drive system applied to mechanical crank pressing machine |
| CN104669672A (en) * | 2013-11-26 | 2015-06-03 | 西华大学 | Microforming servo press |
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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: 20081126 Termination date: 20150202 |
|
| EXPY | Termination of patent right or utility model |