CN104626639A - Integrated servo main transmission mechanism for CNC (computer numerical control) turret punch press - Google Patents
Integrated servo main transmission mechanism for CNC (computer numerical control) turret punch press Download PDFInfo
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- CN104626639A CN104626639A CN201510076915.5A CN201510076915A CN104626639A CN 104626639 A CN104626639 A CN 104626639A CN 201510076915 A CN201510076915 A CN 201510076915A CN 104626639 A CN104626639 A CN 104626639A
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- Prior art keywords
- shaft
- transmission mechanism
- main transmission
- slide block
- eccentric
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- 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)
- Press Drives And Press Lines (AREA)
Abstract
The invention relates to the field of press structures and provides an integrated servo main transmission mechanism for a CNC (computer numerical control) turret punch press. By the use of the integrated servo main transmission mechanism which is delicate in structure, convenient to use and effective, at the premise of retaining original functions of a servo press, the problems caused by the use of a coupling are effectively solved. The integrated servo main transmission mechanism comprises a fixing frame, an eccentric shaft, a link, a slider and a servo motor; the servo motor comprises a stator serving as a shell, a rotor disposed within the stator and an output shaft penetrating the rotor; the upper portion of the fixing frame is provided with a transverse mounting hole; the stator is detachably connected into the transverse mounting hole; the eccentric shaft comprises an eccentric disc and a spindle integrally connected. The integrated servo main transmission mechanism is higher in acceleration and lower in energy consumption.
Description
Technical field
The present invention relates to press structure field, particularly relate to the improvement of the main driving mechanism of servo-pressing machine.
Background technology
Servo-pressing machine is a kind of novel metal former adopting Servo Drive Technology's.Power is provided owing to relying on controlled driving element (i.e. servomotor), servo-pressing machine not only has the high motion flexibility of hydraulic press, and there is the high efficiency of punching machine, having in addition and improve product quality, save energy and reduce the advantage of work noise, is the important development direction in Forging equipment future.
In prior art, usually adopt shaft coupling to connect the bent axle on servomotor and servo-pressing machine top, thus realize the transmission of power; Specifically as State Bureau is called " servounit forcing press ", application number for shown in the Chinese patent literature of " 201210079652.X " in the portion that on August 1st, 2012 announces.
But this type of servo-pressing machine adopting shaft coupling to transmit power has following defect usually: one, shaft coupling very easily damages in power transmission process, need change it timely, thus brings the problems such as use cost is high, operation stability is poor; Two, because slide block will bear the impact of the large load of high frequency in running, thus the fatigue rupture (especially with shaft coupling for) that will make bent axle, shaft coupling, servomotor occur in various degree, bring great impact to the reliability of equipment; Three, version of the prior art is by comparatively large for the equipment size made along servomotor axis, will occupy more space; Four, because shaft coupling self when using will exist great rotary inertia; Calculate according to after practical application, the rotary inertia of shaft coupling self accounts for 70 ~ 80% of whole load equivalent rotary inertia, like this, on the one hand, causes the acceleration of system poor, bring great restriction to the process velocity of workpiece by because inertia is large; On the other hand, because servomotor is accelerating frequently, in moderating process, most of energy consumption of servomotor all by consume by the rotary inertia of shaft coupling, great energy consumption therefore will be brought to increase.
Summary of the invention
The present invention is directed to above problem, propose a kind of delicate structure, easy to use and result of use good, under the prerequisite retaining servo-pressing machine original function, effectively solve the integral type servo main transmission mechanism being applied to NC turret punch machine of the problems brought because of shaft coupling.
Technical scheme of the present invention is: comprise fixed mount, eccentric shaft, connecting rod, slide block and servomotor, described servomotor comprises the double stator doing shell, the output shaft being located at the rotor in stator and wearing in the rotor, described fixed mount top offers horizontal installing hole, described stator is dismountable to be connected in described horizontal installing hole, described eccentric shaft comprises the eccentric disc and rotating shaft that are connected as a single entity, described rotating shaft and described output shaft are connected as a single entity, described eccentric disc is positioned at the side of rotating shaft away from described output shaft, eccentric shaft is rotated under the driving of servomotor,
Described skid is connected to the bottom of fixed mount, and described connecting rod top is hinged on eccentric disc and connecting rod bottom is hinged on slide block, and slide block is pumped under the drive of eccentric shaft.
Described eccentric disc is provided with away from the side of described rotating shaft the reinforced shaft be connected as a single entity with described eccentric disc, and described reinforced shaft is hinged in frame.
Described fixed mount is provided with annular protrusion towards the end face of described eccentric disc, described annular protrusion and described rotating shaft concentric, and described eccentric disc offers arc groove on the end face of described annular protrusion, described arc groove and described annular protrusion adaptation.
Described slide block bottom is also dismountable to be connected with drift and to be also provided with force snesor between slide block and drift;
The bottom surface of described slide block offers storage tank one, the end face of described drift offers storage tank two, the end face of described force snesor is against the bottom land of storage tank one and the bottom surface of force snesor is against the bottom land of storage tank two.
The present invention eliminates shaft coupling of the prior art from structure, but stator is fixedly connected on the outside of frame, and by rotor Direct driver eccentric shaft, thus make servomotor skip shaft coupling directly to drive eccentric shaft, thus significantly reduce use cost, improve operation stability, extend service life and reduce equipment volume.Meanwhile, through application, calculate and show, in this case, the rotary inertia of load is only prior art 30 ~ 40%, i.e. servomotor load reduction 60 ~ 70%, thus makes this case to have higher acceleration, and has lower energy consumption.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is the top view of Fig. 1,
Fig. 3 be the A-A of Fig. 2 to sectional view,
Fig. 4 is optimal enforcement mode schematic diagram of the present invention,
Fig. 5 is the stereogram of Fig. 1;
In figure, 1 is fixed mount, and 2 is eccentric shafts, and 20 is eccentric discs, and 3 is connecting rods, and 4 is slide blocks, and 5 is servomotors, and 51 is stators, and 52 is rotors, and 53 is output shafts, and 6 is drifts, and 7 is force snesor.
Detailed description of the invention
The present invention as Figure 1-5, comprise fixed mount 1, eccentric shaft 2, connecting rod 3, slide block 4 and servomotor 5, described servomotor 5 comprises the double stator 51 doing shell, the output shaft 53 being located at the rotor 52 in stator 51 and being located in rotor 52, described fixed mount 1 top offers horizontal installing hole, described stator 51 is dismountable to be connected in described horizontal installing hole, described eccentric shaft 2 comprises the eccentric disc 20 and rotating shaft that are connected as a single entity, described rotating shaft and described output shaft 53 are connected as a single entity, described eccentric disc 20 is positioned at the side of rotating shaft away from described output shaft 53, eccentric shaft 2 is rotated under the driving of servomotor 5,
Described slide block 4 is slidably connected at the bottom of fixed mount 1 by moving sets, described connecting rod 3 top by bearing hinge connection on eccentric disc 20 and connecting rod 3 bottom be hinged on slide block 4, slide block 4 is pumped under the drive of eccentric shaft 2.In this case, the integrated design of output shaft, rotating shaft, eccentric disc is while reduction equipment volume, lifting operation stability, effectively reduce the rotary inertia of load, make servomotor load reduction 60 ~ 70%, thus make this case have higher acceleration, and there is lower energy consumption.
As shown in Figure 4, described eccentric disc 20 is provided with away from the side of described rotating shaft the reinforced shaft be connected as a single entity with described eccentric disc, described reinforced shaft by bearing hinge connection in frame.Thus and the operation stability of further lifting means and reliability.
Described fixed mount 1 is provided with annular protrusion towards the end face of described eccentric disc 20, described annular protrusion and described rotating shaft concentric, described eccentric disc 20 offers arc groove on the end face of described annular protrusion, described arc groove and described annular protrusion adaptation.Like this, rotary inertia when eccentric shaft runs effectively can be reduced, thus while reducing energy consumption further, the elastic deformation of the line shaft that further reduction brings the impact of line shaft because of bent axle.
Described slide block 4 bottom is also dismountable to be connected with drift 6 and to be also provided with force snesor 7 between slide block 4 and drift 6;
The bottom surface of described slide block 4 offers storage tank one, the end face of described drift 6 offers storage tank two, the end face of described force snesor 7 is against the bottom land of storage tank one and the bottom surface of force snesor 7 is against the bottom land of storage tank two.
Described in the beneficial effect of force snesor is specific as follows:
One, overload protection: send warning message when load is excessive, avoids parts damages and zero point to lose.
Two, burn failure is reported to the police: during burn failure, and stamping press occurs abnormal, sends stopping alarm information in time, avoids batch waste product and lathe to damage.
Three, processing and forming pressure detecting: in real time the load in forming process can be shown in whole plate forming process, can manually or control system automatically according to the curve of load, speed, dwell time, elastic recoil surplus are adjusted and are optimized, lifting that is flexible to machine tooling and efficiency has meaning.Especially to Al alloys andMg alloys, the processing and forming meaning of the material that the shaping difficulty such as Copper and its alloy is large is larger.Form the intelligent machining of closed loop.
Four, vibration and noise reducing: rush financial resources curve according to what record, the rate curve of adjustment stamping-out, particularly evident to effect of vibration and noise reduction.
Claims (4)
1. one kind is applied to the integral type servo main transmission mechanism of NC turret punch machine, it is characterized in that, comprise fixed mount, eccentric shaft, connecting rod, slide block and servomotor, described servomotor comprises the double stator doing shell, the output shaft being located at the rotor in stator and wearing in the rotor, described fixed mount top offers horizontal installing hole, described stator is dismountable to be connected in described horizontal installing hole, described eccentric shaft comprises the eccentric disc and rotating shaft that are connected as a single entity, described rotating shaft and described output shaft are connected as a single entity, described eccentric disc is positioned at the side of rotating shaft away from described output shaft, eccentric shaft is rotated under the driving of servomotor,
Described skid is connected to the bottom of fixed mount, and described connecting rod top is hinged on eccentric disc and connecting rod bottom is hinged on slide block, and slide block is pumped under the drive of eccentric shaft.
2. a kind of integral type servo main transmission mechanism being applied to NC turret punch machine according to claim 1, it is characterized in that, described eccentric disc is provided with away from the side of described rotating shaft the reinforced shaft be connected as a single entity with described eccentric disc, and described reinforced shaft is hinged in frame.
3. a kind of integral type servo main transmission mechanism being applied to NC turret punch machine according to claim 1, it is characterized in that, described fixed mount is provided with annular protrusion towards the end face of described eccentric disc, described annular protrusion and described rotating shaft concentric, described eccentric disc offers arc groove on the end face of described annular protrusion, described arc groove and described annular protrusion adaptation.
4. a kind of integral type servo main transmission mechanism being applied to NC turret punch machine according to Claims 2 or 3, is characterized in that, described slide block bottom is also dismountable to be connected with drift and to be also provided with force snesor between slide block and drift;
The bottom surface of described slide block offers storage tank one, the end face of described drift offers storage tank two, the end face of described force snesor is against the bottom land of storage tank one and the bottom surface of force snesor is against the bottom land of storage tank two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510076915.5A CN104626639A (en) | 2015-02-12 | 2015-02-12 | Integrated servo main transmission mechanism for CNC (computer numerical control) turret punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510076915.5A CN104626639A (en) | 2015-02-12 | 2015-02-12 | Integrated servo main transmission mechanism for CNC (computer numerical control) turret punch press |
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| CN104626639A true CN104626639A (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510076915.5A Pending CN104626639A (en) | 2015-02-12 | 2015-02-12 | Integrated servo main transmission mechanism for CNC (computer numerical control) turret punch press |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999686A (en) * | 2015-07-24 | 2015-10-28 | 南京邮电大学 | Main transmission mechanism of all-electric servo numerical control turret punch press |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04228297A (en) * | 1990-05-31 | 1992-08-18 | Siemens Ag | Press running method |
| US5832816A (en) * | 1995-12-15 | 1998-11-10 | Amada Mfg America Inc. | Ram driving device and press machine using same |
| CN101637979A (en) * | 2002-06-18 | 2010-02-03 | 株式会社阿玛达 | Servo-drive system and continuous processing system for press machine |
| CN102172704A (en) * | 2011-01-21 | 2011-09-07 | 西安交通大学 | Large-tonnage pipe internal high-pressure forming device |
| CN102320155A (en) * | 2011-09-30 | 2012-01-18 | 江苏扬力数控机床有限公司 | Double servo motor direct-driven numerical control turret punch press |
| CN204451286U (en) * | 2015-02-12 | 2015-07-08 | 江苏扬力数控机床有限公司 | The integral type servo main transmission mechanism of full electric servo NC turret punch machine |
-
2015
- 2015-02-12 CN CN201510076915.5A patent/CN104626639A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04228297A (en) * | 1990-05-31 | 1992-08-18 | Siemens Ag | Press running method |
| US5832816A (en) * | 1995-12-15 | 1998-11-10 | Amada Mfg America Inc. | Ram driving device and press machine using same |
| CN101637979A (en) * | 2002-06-18 | 2010-02-03 | 株式会社阿玛达 | Servo-drive system and continuous processing system for press machine |
| CN102172704A (en) * | 2011-01-21 | 2011-09-07 | 西安交通大学 | Large-tonnage pipe internal high-pressure forming device |
| CN102320155A (en) * | 2011-09-30 | 2012-01-18 | 江苏扬力数控机床有限公司 | Double servo motor direct-driven numerical control turret punch press |
| CN204451286U (en) * | 2015-02-12 | 2015-07-08 | 江苏扬力数控机床有限公司 | The integral type servo main transmission mechanism of full electric servo NC turret punch machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999686A (en) * | 2015-07-24 | 2015-10-28 | 南京邮电大学 | Main transmission mechanism of all-electric servo numerical control turret punch press |
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Application publication date: 20150520 |