CN209491223U - Moveable platform of press - Google Patents
Moveable platform of press Download PDFInfo
- Publication number
- CN209491223U CN209491223U CN201920167773.7U CN201920167773U CN209491223U CN 209491223 U CN209491223 U CN 209491223U CN 201920167773 U CN201920167773 U CN 201920167773U CN 209491223 U CN209491223 U CN 209491223U
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- China
- Prior art keywords
- moveable platform
- press
- servo motor
- servo
- stage body
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- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 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
- 238000000034 method Methods 0.000 description 4
- 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
- 239000000126 substance Substances 0.000 description 1
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- Press Drives And Press Lines (AREA)
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Abstract
The utility model discloses a kind of moveable platform of press, 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 utility model relates to a kind of moveable platform of press, belong to press machine punching press automatic feeding technology.
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.
Utility model content
The purpose of this utility model is to provide a kind of moveable platform of press that repetitive positioning accuracy is high.
To achieve the above objectives, the present invention adopts the following technical solutions: a kind of moveable platform of press, including pressure
Power machine base, work stage body, electric control system, is provided with two sets of servo drives, press machine bottom in the workbench body
The guiding mechanism for being oriented to the linear movement of work stage body is provided on seat, two sets of servo drives include servo electricity
Machine, encoder, transmission mechanism, wherein the transmission mechanism, which is able to achieve, is transformed into work stage body for the rotary motion of servo motor
Linear motion, the encoder is used to detect revolving speed and the position of servo motor rotary shaft.
As the further improved technical solution of the utility model, the transmission mechanism includes gear, rack gear, wherein institute
It states servo motor rotary shaft to connect by shaft coupling with gear, the wheel and rack engagement, the rack gear and press base
It is fixedly connected.
As the further improved technical solution of the utility model, the guiding mechanism includes driving wheel, wherein the tooth
Taking turns side surface, coaxially fixed driving wheel, the groove that the driving wheel is arranged with the rack gear side are slidably connected.
As the further improved technical solution of the utility model, driven gear is also meshed 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.
As the further improved technical solution of the utility model, the transmission mechanism include main synchronizing wheel, from synchronizing wheel,
Synchronous belt, wherein the main synchronizing wheel with from, by synchronous band connection, the servo motor rotary shaft passes through connection between synchronizing wheel
Axis device is connect with main synchronizing wheel.
As the further improved technical solution of the utility model, the transmission mechanism includes feed screw nut's group, wherein institute
It states servo motor rotary shaft to connect by shaft coupling with screw rod, nut is bolted on screw rod, the nut is fixedly arranged on work stage body
Lower surface.
As the further improved technical solution of the utility model, the guiding mechanism is line rail sliding block mechanism.
As the further improved technical solution of the utility model, the servo motor rotary shaft is connected by speed reducer to be joined
Axis device.
As the further improved technical solution of the utility model, the electric control system include servo-driver,
PLC, man-machine interface, wherein PLC controls two sets of servo drives movement, realizes the linear motion of work stage body.
As the further improved technical solution of the utility model, the encoder is multi-turn absolute value encoder.
The utility model 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 utility model structure diagram.
Fig. 2 is one of servo drive structure diagram in the utility model.
Fig. 3 is the enlarged drawing of the partial view A in Fig. 2.
Fig. 4 is another servo drive structure diagram in the utility model.
Specific embodiment
The utility model is described in detail with embodiment with reference to the accompanying drawing.
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment is briefly described, it should be apparent that, be described below in embodiment be the utility model some implementations
Mode for those of ordinary skill in the art without creative efforts, can also be according to these implementations
Example obtains other embodiments, it should be understood that the words such as " connection ", " installation ", " fixed " described in being described below,
In the case where being not particularly illustrated, it can be and be directly connected to, install, fixing, be also possible to be indirectly connected with, install, fix, that is, permit
Permitted have the intervention of third party's substance.
Referring to FIG. 1 to FIG. 4, the utility model discloses a kind of moveable platform of press, including press base
(not shown), work stage body 7, electric control system, are provided with two sets of servo drives 8, press machine in workbench body
The guiding mechanism for being oriented to the linear movement of work stage body 7 is provided on pedestal, by electric control system control servo-drive dress
8 movements are set, two sets of servo drives 8 include servo motor 1, encoder 10, transmission mechanism, wherein the transmission
Mechanism is able to achieve the linear motion that the rotary motion of servo motor 1 is transformed into work stage body 7, on each servo motor 1
It is connected with encoder 10, which can be used multi-turn absolute value encoder, and encoder 10 is for detecting servo motor rotation
The revolving speed of axis 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 two
Side transmission mechanism transmission 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 specific control system of the utility model is mutually communicated using network-bus, and HMI touch screen refers to as host computer sending
It enables, PLC carries out processing operation as main control unit；Two servo motors 1 are driven by two servo-drivers, and will wherein one
Platform is set as main shaft, the motor of the other side be from axis, encoder detect respectively each servo motor rotating shaft position and speed and by its
Signal feedback servo driver, PLC control each spindle speed and position；Main shaft is then followed to carry out the same of position and speed from axis
Step, to guarantee that main shaft is consistent with from axis revolving speed.
The foregoing is merely the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
It is equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly or indirectly uses
In other related technical areas, it is also included in the patent protection scope of the utility model.
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. moveable platform of press according to claim 1, it is characterised in that: the encoder is multi-turn absolute value
Encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920167773.7U CN209491223U (en) | 2019-01-30 | 2019-01-30 | Moveable platform of press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920167773.7U CN209491223U (en) | 2019-01-30 | 2019-01-30 | Moveable platform of press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209491223U true CN209491223U (en) | 2019-10-15 |
Family
ID=68156350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920167773.7U Expired - Fee Related CN209491223U (en) | 2019-01-30 | 2019-01-30 | Moveable platform of press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209491223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622711A (en) * | 2019-01-30 | 2019-04-16 | 扬州精善达伺服成形装备有限公司 | Moveable platform of press and control method |
-
2019
- 2019-01-30 CN CN201920167773.7U patent/CN209491223U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622711A (en) * | 2019-01-30 | 2019-04-16 | 扬州精善达伺服成形装备有限公司 | Moveable platform of press and control method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191015 |