CN109622711A - Moveable platform of press and control method - Google Patents
Moveable platform of press and control method Download PDFInfo
- Publication number
- CN109622711A CN109622711A CN201910094585.0A CN201910094585A CN109622711A CN 109622711 A CN109622711 A CN 109622711A CN 201910094585 A CN201910094585 A CN 201910094585A CN 109622711 A CN109622711 A CN 109622711A
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- China
- Prior art keywords
- servo
- press
- moveable platform
- servo motor
- stage body
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- 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.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000033001 locomotion Effects 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 230000003252 repetitive effect Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/06—Stamping using rigid devices or tools having relatively-movable die parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0023—Drive arrangements for movable carriers, e.g. turntables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Presses (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a kind of moveable platform of press and control methods, including press base, work stage body, electric control system, it is characterized by: being provided with two sets of servo drives in the workbench body, the guiding mechanism for being oriented to the linear movement of work stage body is provided on press base, two sets of servo drives include servo motor, encoder, transmission mechanism, wherein, the transmission mechanism is able to achieve the linear motion that the rotary motion of servo motor is transformed into work stage body, the encoder is used to detect revolving speed and the position of servo motor rotary shaft.Such setting can improve mobile work platform repetitive positioning accuracy.
Description
Technical field
The present invention relates to a kind of moveable platform of press and control methods, belong to press machine punching press self-feeding technology neck
Domain.
Background technique
Punching press is most widely used in metal forming, can be punched out using different molds, bending, the molding such as stretching
Process.
Mobile work platform is the important component of medium-and-large-sized press machine, applies to the quick-replaceable of stamping die, master
Wanting driving method is that motor is moved in orbit by deceleration device driving driving wheel drive driven wheel.
At present there are two types of the driving methods of mobile work platform: 1. single common braking motor is driven simultaneously by deceleration device
Two driving wheels, motor are controlled by frequency converter；2. driving two driving wheels by deceleration device respectively with two motors, it is
Guarantee operating synchronously for two wheels, motor is synchronous braking motor, is controlled by frequency converter.
Both the above scheme is existing common structure, but there are still following problems: 1. due to not having location of mobile station
Real-time Feedback, the repetitive positioning accuracy after mobile " output-drive into " is bad, and is produced from the center at the center and sliding block that lead to workbench
Raw error, influences using effect and service life.2. since two driving wheels operate in independent track and do not interlock, when wherein one
A occur blocking or when slipping phenomenon, another driving wheel simultaneously also will continue to operating forward, occur " running so as to cause mobile station
Phenomenon partially ", while impact also is generated to guide rail, and then influence the service life of track.3. second scheme is due to having two
Cover driving device, although can solve the structural requirement of big bed press, how to guarantee two motors operating (accelerate,
Slowing down, at the uniform velocity etc.) synchronism control is a difficult point, there is no effective solution scheme yet.Can also there be unilateral skidding simultaneously, move
The problem of dynamic platform " sideslip ".In conclusion currently used press machine mobile station driving device can not fully meet use and want
It asks.
Summary of the invention
The purpose of the present invention is to provide a kind of moveable platform of press that repetitive positioning accuracy is high and control methods.
To achieve the above object, the present invention adopts the following technical scheme: a kind of moveable platform of press, including press machine
Pedestal, work stage body, electric control system, are provided with two sets of servo drives in the workbench body, on press base
Be provided with for be oriented to work stage body linear movement guiding mechanism, two sets of servo drives include servo motor,
Encoder, transmission mechanism, wherein the transmission mechanism, which is able to achieve, is transformed into the straight of work stage body for the rotary motion of servo motor
Line movement, the encoder are used to detect revolving speed and the position of servo motor rotary shaft.
Technical solution as a further improvement of that present invention, the transmission mechanism include gear, rack gear, wherein described to watch
It takes electric machine rotational axis to connect by shaft coupling with gear, the wheel and rack engagement, the rack gear is fixed with press base
Connection.
Technical solution as a further improvement of that present invention, the guiding mechanism include driving wheel, wherein the gear side
Coaxially fixed driving wheel, the groove that the driving wheel is arranged with the rack gear side are slidably connected on surface.
Technical solution as a further improvement of that present invention has also meshed with driven gear on the rack gear, and described driven
Gear rotational installation is slidably connected in workbench body, and with the groove of rack gear side setting.
Technical solution as a further improvement of that present invention, the transmission mechanism include main synchronizing wheel, from synchronizing wheel, synchronization
Band, wherein the main synchronizing wheel with from, by synchronous band connection, the servo motor rotary shaft passes through shaft coupling between synchronizing wheel
It is connect with main synchronizing wheel.
Technical solution as a further improvement of that present invention, the transmission mechanism include feed screw nut's group, wherein described to watch
It takes electric machine rotational axis to connect by shaft coupling with screw rod, nut is bolted on screw rod, the nut is fixedly arranged on work stage body following table
Face.
Technical solution as a further improvement of that present invention, the guiding mechanism are line rail sliding block mechanism.
Technical solution as a further improvement of that present invention, the servo motor rotary shaft connect shaft coupling by speed reducer
Device.
Technical solution as a further improvement of that present invention, the electric control system include servo-driver, PLC, people
Machine interface, wherein PLC controls two sets of servo drives movement, realizes the linear motion of work stage body.
The present invention also provides one kind for controlling moveable platform of press moving method, states moveable platform of press drive
Dynamic method includes the following steps:
S1: mutually being communicated with network-bus, touch screen as host computer issue instruct, PLC as main control unit at
Manage operation；
S2: two servo motors are driven by two servo-drivers, and will wherein one be set as main shaft, the other side
Motor is from axis, and encoder detects each servo motor rotating shaft position and speed and respectively by its signal feedback servo driver, PLC
Control each spindle speed and position；
S3: main shaft is then followed to carry out the synchronization of position and speed from axis, to guarantee that main shaft is consistent with from axis revolving speed.
The present invention has following technical effect that
(1) this programme uses two groups of servo drives, and positioning accuracy is high, and repetitive positioning accuracy reaches 0.02mm, guarantees
Stamping die high-precision requirement.
(2) by setting gear and rack teeth mechanism or leading screw and nut mechanism or synchronous pulley mechanism, to mobile work platform bilateral
The synchronous operation of driving wheel has double shield, improves mobile accuracy.
Detailed description of the invention
Fig. 1 is the structural diagram of the invention.
Fig. 2 is one of servo drive structure diagram in the present invention.
Fig. 3 is the enlarged drawing of the partial view A in Fig. 2.
Fig. 4 is another servo drive structure diagram in the present invention.
Fig. 5 is the control principle of double servo drives.
Specific embodiment
The present invention is described in detail with embodiment with reference to the accompanying drawing.
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment is briefly described, it should be apparent that, be described below in embodiment be some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these embodiments
His embodiment, it should be understood that the words such as " connection ", " installation ", " fixed " described in being described below, not especially
In the case where explanation, it can be and be directly connected to, install, fixing, be also possible to be indirectly connected with, install, fix, that is, allow to have third
The intervention of square object matter.
Referring to FIG. 1 to FIG. 4, present invention discloses a kind of moveable platform of press, including press base is (in figure
Do not show), work stage body 7, electric control system, two sets of servo drives 8 are provided in workbench body, on press base
It is provided with the guiding mechanism for being oriented to the linear movement of work stage body 7, is moved by electric control system control servo drive 8
Make, two sets of servo drives 8 include servo motor 1, encoder 10, transmission mechanism, wherein the transmission mechanism energy
It realizes the linear motion that the rotary motion of servo motor 1 is transformed into work stage body 7, is respectively connected on each servo motor 1
Multi-turn absolute value encoder can be used in encoder 10, the encoder 10, and encoder 10 is used to detect turning for servo motor rotary shaft
Speed and position, 10 main function of encoder are as follows: 1. in order to guarantee 7 repetitive positioning accuracy of work stage body；2. guaranteeing both sides transmission
Mechanism driving speed is consistent.
Wherein an embodiment is gear and rack teeth mechanism to the transmission mechanism, and structure includes gear 5, rack gear 6, wherein institute
It states servo motor rotary shaft to connect by shaft coupling with gear 5, gear 5 and driving wheel 4 are fixed
, it is of course also possible to which 1 rotary shaft of servo motor is connected shaft coupling 3 by speed reducer 2, setting speed reducer 1 is mainly made
It is acted on for deceleration, torque increase, which engages with rack gear 6, and the rack gear 6 and the fixed company of press base (not shown)
It connects, the guiding mechanism includes driving wheel 4, wherein the coaxial fixed driving wheel 4 in 5 side surface of the gear, the driving wheel 4 and institute
The groove for stating the setting of 6 side of rack gear is slidably connected, and when servo motor 1 acts, energy band moving gear 5 makes rotating motion, thus band
Start building to make stage body 7 along the linear movement of rack gear 6.
Further, driven gear 9 has been also meshed on the rack gear 6, and the rotational installation of the driven gear 9 is in workbench
In vivo, and with the groove of 6 surface of rack gear setting it is slidably connected, to more preferably promote 7 repetitive positioning accuracy of work stage body.
Another embodiment of transmission mechanism be synchronous pulley mechanism (not shown), the mechanism include main synchronizing wheel, from
Synchronizing wheel, synchronous belt, wherein with from synchronous band connection is passed through between synchronizing wheel, the servo motor 1 rotates the main synchronizing wheel
Axis is connect by shaft coupling 3 with main synchronizing wheel, which connect with line rail sliding block mechanism, when servo motor 1 acts,
Energy band starts building to make stage body 7 along the online rail linear slide of press base.
Another embodiment of transmission mechanism is that feed screw nut organizes (not shown), which includes screw rod, nut,
In, 1 rotary shaft of servo motor is connect by shaft coupling 3 with screw rod, nut is bolted on screw rod, the nut is fixedly arranged on work
Make 7 lower surface of stage body, which connect with line rail sliding block mechanism, and when servo motor 1 acts, energy band starts building to make stage body 7
Along the online rail linear slide of press base.
Further, the electric control system includes servo-driver, PLC, man-machine interface, wherein described in PLC control
Two sets of servo drive movements, two sets of servo-drivers are connected with each other, and PLC controls servo-driver respectively, realizes workbench
The linear motion of body 7, the man-machine interface in the present embodiment use HMI touch screen.
The present invention also provides a kind of methods for controlling moveable platform of press, as shown in figure 5, this method are as follows: control
System processed is mutually communicated using network-bus, and HMI touch screen issues instruction as host computer, PLC as main control unit at
Manage operation；Two servo motors 1 are driven by two servo-drivers, and will wherein one be set as main shaft, the electricity of the other side
Machine is from axis, and encoder detects each servo motor rotating shaft position and speed and respectively by its signal feedback servo driver, and PLC is controlled
Make each spindle speed and position；Main shaft is then followed to carry out the synchronization of position and speed from axis, to guarantee that main shaft turns with from axis
It is fast consistent.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of moveable platform of press, including press base, work stage body, electric control system, it is characterised in that: institute
It states and is provided with two sets of servo drives in workbench body, be provided on press base for being oriented to the linear movement of work stage body
Guiding mechanism, two sets of servo drives include servo motor, encoder, transmission mechanism, wherein the driver
Structure is able to achieve the linear motion that the rotary motion of servo motor is transformed into work stage body, and the encoder is for detecting servo electricity
The revolving speed of machine rotary shaft and position.
2. moveable platform of press according to claim 1, it is characterised in that: the transmission mechanism includes gear, tooth
Item, wherein the servo motor rotary shaft connect by shaft coupling with gear, and the wheel and rack engages, the rack gear and
Press base is fixedly connected.
3. moveable platform of press according to claim 2, it is characterised in that: the guiding mechanism includes driving wheel,
Wherein coaxially fixed driving wheel, the groove that the driving wheel is arranged with the rack gear side are slidably connected on the gear side surface.
4. moveable platform of press according to claim 3, it is characterised in that: also meshed with driven tooth on the rack gear
Wheel, and driven gear rotational installation is slidably connected in press base, and with the groove of rack gear side setting.
5. moveable platform of press according to claim 1, it is characterised in that: the transmission mechanism includes main synchronization
Wheel, from synchronizing wheel, synchronous belt, wherein the main synchronizing wheel with from passing through synchronous band connection, the servo motor between synchronizing wheel
Rotary shaft is connect by shaft coupling with main synchronizing wheel.
6. moveable platform of press according to claim 1, it is characterised in that: the transmission mechanism includes feed screw nut
Group, wherein the servo motor rotary shaft is connect by shaft coupling with screw rod, nut is bolted on screw rod, the nut is fixed
In work stage body lower surface.
7. moveable platform of press according to claim 1, it is characterised in that: the guiding mechanism is line rail sliding block machine
Structure.
8. moveable platform of press according to any one of claims 2 to 5, it is characterised in that: the servo motor rotation
Shaft connects shaft coupling by speed reducer.
9. moveable platform of press according to claim 1, it is characterised in that: the electric control system includes servo
Driver, PLC, man-machine interface, wherein PLC controls two sets of servo drives movement, realizes the straight line fortune of work stage body
It is dynamic.
10. a kind of control method, it is characterised in that: including the press machine mobile working as described in any one of claim 1-9
Platform, the moveable platform of press driving method include the following steps:
S1: mutually being communicated with network-bus, and touch screen is issued as host computer and instructed, and PLC carries out processing fortune as main control unit
It calculates；
S2: two servo motors are driven by two servo-drivers, and will wherein one be set as main shaft, the motor of the other side
For from axis, encoder detects each servo motor rotating shaft position and speed and respectively by its signal feedback servo driver, and PLC is controlled
Each spindle speed and position；
S3: main shaft is then followed to carry out the synchronization of position and speed from axis, to guarantee that main shaft is consistent with from axis revolving speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910094585.0A CN109622711A (en) | 2019-01-30 | 2019-01-30 | Moveable platform of press and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910094585.0A CN109622711A (en) | 2019-01-30 | 2019-01-30 | Moveable platform of press and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109622711A true CN109622711A (en) | 2019-04-16 |
Family
ID=66064484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910094585.0A Pending CN109622711A (en) | 2019-01-30 | 2019-01-30 | Moveable platform of press and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109622711A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2786119Y (en) * | 2005-01-31 | 2006-06-07 | 宝钢集团上海梅山有限公司 | Apparatus for distinguishing position of mobile motor vehicle of coke oven |
| JP2007309467A (en) * | 2006-05-19 | 2007-11-29 | Tsubakimoto Chain Co | Driving mechanism for traveling carriage |
| CN101234536A (en) * | 2008-02-02 | 2008-08-06 | 广东宏兴机械有限公司 | Multifunctional servo crank presser and operation mode thereof |
| CN201272039Y (en) * | 2008-08-30 | 2009-07-15 | 江苏扬力集团有限公司 | Synchronous balancing system of closed type press moveable platform |
| CN102583135A (en) * | 2012-03-21 | 2012-07-18 | 希姆斯电梯(中国)有限公司 | Guide rail mechanism |
| CN204613702U (en) * | 2015-02-09 | 2015-09-02 | 南京埃斯顿自动化股份有限公司 | Based on the servo-pressing machine control system of mode bus |
| CN108021100A (en) * | 2017-12-08 | 2018-05-11 | 武汉菲仕运动控制系统有限公司 | The control device and control method of a kind of forcing press |
| KR20180051915A (en) * | 2016-11-09 | 2018-05-17 | 주식회사 대명엔지니어링 | System for molding an aircraft stringer |
| CN209491223U (en) * | 2019-01-30 | 2019-10-15 | 扬州精善达伺服成形装备有限公司 | Moveable platform of press |
-
2019
- 2019-01-30 CN CN201910094585.0A patent/CN109622711A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2786119Y (en) * | 2005-01-31 | 2006-06-07 | 宝钢集团上海梅山有限公司 | Apparatus for distinguishing position of mobile motor vehicle of coke oven |
| JP2007309467A (en) * | 2006-05-19 | 2007-11-29 | Tsubakimoto Chain Co | Driving mechanism for traveling carriage |
| CN101234536A (en) * | 2008-02-02 | 2008-08-06 | 广东宏兴机械有限公司 | Multifunctional servo crank presser and operation mode thereof |
| CN201272039Y (en) * | 2008-08-30 | 2009-07-15 | 江苏扬力集团有限公司 | Synchronous balancing system of closed type press moveable platform |
| CN102583135A (en) * | 2012-03-21 | 2012-07-18 | 希姆斯电梯(中国)有限公司 | Guide rail mechanism |
| CN204613702U (en) * | 2015-02-09 | 2015-09-02 | 南京埃斯顿自动化股份有限公司 | Based on the servo-pressing machine control system of mode bus |
| KR20180051915A (en) * | 2016-11-09 | 2018-05-17 | 주식회사 대명엔지니어링 | System for molding an aircraft stringer |
| CN108021100A (en) * | 2017-12-08 | 2018-05-11 | 武汉菲仕运动控制系统有限公司 | The control device and control method of a kind of forcing press |
| CN209491223U (en) * | 2019-01-30 | 2019-10-15 | 扬州精善达伺服成形装备有限公司 | Moveable platform of press |
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