CN205972760U - Closed loop feedback mechanism of FMS dolly position - Google Patents
Closed loop feedback mechanism of FMS dolly position Download PDFInfo
- Publication number
- CN205972760U CN205972760U CN201620958801.3U CN201620958801U CN205972760U CN 205972760 U CN205972760 U CN 205972760U CN 201620958801 U CN201620958801 U CN 201620958801U CN 205972760 U CN205972760 U CN 205972760U
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- fms
- dolly
- closed loop
- loop feedback
- feedback mechanism
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Abstract
The utility model discloses a closed loop feedback mechanism of FMS dolly position, including rotary encoder, the axis of rotation, profile of tooth band pulley and tooth belt, the axis of rotation is rotated and is connected on a support, support and FMS dolly fixed connection, rotary encoder installs the top in the axis of rotation through resilient coupling, the bottom in the axis of rotation is fixed to the profile of tooth band pulley, the profile of tooth band pulley meshes with the tooth belt mutually, the one side in a grudging post is installed to the tooth belt, the tooth belt sets up along the walking direction of FMS dolly, the length of tooth belt is greater than the biggest travel distance of FMS dolly, the grudging post is fixed on the guide rail gasket, the guide rail gasket is fixed subaerial, the guide rail gasket is used for installing the guide rail of FMS dolly, this closed loop feedback mechanism can realize the closed loop feedback to FMS dolly position, improves positioning accuracy and accuracy to FMS dolly walking location, in addition, this closed loop feedback mechanism does not involve the walking drivetrain parts of FMS dolly, and the atress is less, and the sensitivity is high, and positioning accuracy is good, and the fault rate is low, the later maintenance of being convenient for.
Description
Technical field
This utility model is related to a kind of position feedback mechanism, and specifically a kind of FMS being applied to lathe flexible production line is little
The closed loop feedback mechanism of truck position.
Background technology
With the propulsion of intelligent plant, FMS is increasingly paid close attention to.FMS, i.e. flexible manufacturing system, is one group of Digit Control Machine Tool
With the coalition of other automation equipments, have processing, logistics and flow of information three subsystems concurrently and constitute.Travelling bogie is FMS system
One of crucial composition of system, plays the effect of automated material handling.Servomotor driving gear substantially used by existing FMS dolly
Tooth bar, is moved horizontally, the distance of the motor encoder recording level walking being carried by servomotor, to be ensured little with this
The positioning precision that garage is walked.Existing FMS dolly has the following disadvantages：First, recorded with motor encoder carriage walking away from
From motor encoder can only accurately record the revolution of motor itself, and therefore this kind of feedback is a kind of open loop feedback, and it is unreliable to exist
Property it is impossible to determine the FMS dolly walking position of itself, be susceptible to dolly positioning failure；2nd, rack-and-pinion is that FMS dolly drives
Dynamic power source, stress is larger, and feedback signal is integrated with power unit, and fault rate is higher.
Content of the invention
Technical problem to be solved in the utility model is：For the deficiencies in the prior art, provide a kind of positioning precision high,
The closed loop feedback mechanism of the little truck position of the low FMS of fault rate.
This utility model solves the technical scheme that adopted of above-mentioned technical problem：A kind of closed loop of the little truck position of FMS is anti-
Feedback mechanism, including rotary encoder, rotary shaft, profile of tooth belt wheel and cog belt, described rotary shaft is rotatably connected on a support,
Described support is fixedly connected with FMS dolly, and described rotary encoder is arranged on described rotary shaft through yielding coupling
Top, described profile of tooth belt wheel is fixed on the bottom of described rotary shaft, and described profile of tooth belt wheel is nibbled with described cog belt phase
Close, described cog belt is arranged on the side of a stand, described cog belt is along the direction of travel setting of FMS dolly, described
The length of cog belt is more than the maximum travel distance of FMS dolly, and described stand is fixedly connected on shim, and described leads
Rail pad piece fixes on the ground, and described shim is used for installing the guide rail of FMS dolly.
In closed loop feedback mechanism of the present utility model, rotary encoder, rotary shaft and profile of tooth belt wheel are fixed on by support
On FMS dolly, as movable part；Cog belt is fixed on shim by stand, as fixed component.Carriage walking
When, fixed component maintains static, and movable part moves with dolly, and when movable part moves with dolly, rotary shaft is with tooth
Shape belt wheel synchronous axial system together, by the rotation quantity of rotary encoder record profile of tooth belt wheel, and provides anti-to dolly digital control system
Feedback, it is achieved thereby that the closed loop feedback to the little truck position of FMS, improves the positioning precision to FMS carriage walking positioning and accurately
Property.This closed loop feedback mechanism is used for realizing the position feedback to the little truck position of FMS, does not involve the walking power section of FMS dolly,
Therefore stress is less, and profile of tooth belt wheel is compared to traditional rack-and-pinion, and susceptiveness is high, and positioning precision is good, and fault rate is low,
It is easy to later maintenance.
Preferably, bearing block is provided with described support, in described bearing block, clutch shaft bearing is installed, described
Rotary shaft is arranged on described clutch shaft bearing, and the top of described bearing block is fixed with a sleeve, described rotary encoder
It is arranged on the top of described sleeve, described yielding coupling is arranged in described sleeve.
Preferably, described stand is formed by panel beating bending, described stand is fixed on a square steel, described square steel
It is fixed on described shim.
Preferably, fixing axle is provided with described support, the described centrage of fixing axle and described rotary shaft
Centerline parallel, the upper end of described fixing axle stretches out from described support, and the upper end of described fixing axle is by some nuts
It is locked on described support, the middle part of described fixing axle is held out against by holding screw, the bottom of described fixing axle is pacified
Equipped with rotating wheel, second bearing is installed between described rotating wheel and described fixing axle, the wheel face of described rotating wheel pastes
Lean against on the described side of the opposite side of stand.Rotating wheel opposition frame is played a supporting role, and prevents stand deformation it is ensured that tooth
Shape belt wheel is engaged with the long-term of cog belt, and the reliability of lifting this utility model closed loop feedback mechanism is it is ensured that little to FMS further
The positioning precision of car.
Compared with prior art, the utility model has the advantage of：The closed loop of the little truck position of FMS disclosed in this utility model
Feedback mechanism install after, in carriage walking, rotary shaft with profile of tooth belt wheel synchronous axial system, by rotary encoder record profile of tooth
The rotation quantity of belt wheel, and provide feedback to dolly digital control system, it is achieved thereby that the closed loop feedback to the little truck position of FMS, carry
The high positioning precision to FMS carriage walking positioning and accuracy；Additionally, this closed loop feedback mechanism is used for realizing to FMS dolly
The position feedback of position, does not involve the walking power section of FMS dolly, and therefore stress is less, and profile of tooth belt wheel is compared to biography
The rack-and-pinion of system, susceptiveness is high, and positioning precision is good, and fault rate is low, is easy to later maintenance.
Brief description
Fig. 1 is design sketch after closed loop feedback mechanism installation in embodiment；
Fig. 2 is the structure cut-away illustration of closed loop feedback mechanism in embodiment.
Specific embodiment
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
The closed loop feedback mechanism of the little truck position of FMS of embodiment, as depicted in figs. 1 and 2, including rotary encoder 2, rotates
Axle 3, profile of tooth belt wheel 41 and cog belt 42, rotary shaft 3 is rotatably connected on a support 1, and support 1 is provided with bearing block 31, axle
Clutch shaft bearing 32 is installed in bearing 31, rotary shaft 3 is arranged on clutch shaft bearing 32, and the top of bearing block 31 is fixed by screw
There is a sleeve 33, rotary encoder 2 is arranged on the top of sleeve 33, yielding coupling 34 is arranged in sleeve 33；Support 1 passes through
Screw is fixedly connected with FMS dolly 7, and rotary encoder 2 is arranged on the top of rotary shaft 3, profile of tooth belt wheel through yielding coupling 34
41 bottoms being fixed on rotary shaft 3, profile of tooth belt wheel 41 is meshed with cog belt 42, and cog belt 42 is arranged on the side of a stand 5,
Cog belt 42 is more than the maximum travel distance of FMS dolly 7 along the direction of travel setting of FMS dolly 7, the length of cog belt 42, stands
Frame 5 is formed by panel beating bending, and stand 5 is fixed on a square steel 51, and square steel 51 is fixed on shim 71, and shim 71 is solid
Determine on the ground, shim 71 is used for installing the guide rail 72 of FMS dolly 7.
In embodiments above, support 1 is provided with fixing axle 6, the center of the centrage of fixing axle 6 and rotary shaft 3
Line is parallel, and the upper end of fixing axle 6 is stretched out from support 1, and the upper end of fixing axle 6 is locked on support 1 by two nuts 61, Gu
The middle part of dead axle 6 is held out against by holding screw 62, and the bottom of fixing axle 6 is provided with rotating wheel 63, between rotating wheel 63 and fixing axle 6
Second bearing 64 is installed, the wheel face of rotating wheel 63 abuts on the side of the opposite side of stand 5.
After above closed loop feedback mechanism installs, design sketch is shown in Fig. 1, and rotary encoder 2, rotary shaft 3 and profile of tooth belt wheel 41 pass through
Support 1 is fixed on FMS dolly 7, as movable part；Cog belt 42 is fixed on shim 71 by stand 5, as solid
Determine part.During dolly 7 walking, fixed component maintains static, and movable part moves with dolly 7, and movable part is with dolly 7
When mobile, rotary shaft 3, with profile of tooth belt wheel 41 synchronous axial system, is recorded the rotation quantity of profile of tooth belt wheel 41 by rotary encoder 2,
And to dolly digital control system（In figure is not shown）Feedback is provided, it is achieved thereby that the closed loop feedback to FMS dolly 7 position, improves
Positioning precision to FMS dolly 7 walking positioning and accuracy.
Claims (4)
1. a kind of little truck position of FMS closed loop feedback mechanism it is characterised in that：Including rotary encoder, rotary shaft, profile of tooth belt wheel
And cog belt, described rotary shaft is rotatably connected on a support, and described support is fixedly connected with FMS dolly, described rotation
Turn the top that encoder is arranged on described rotary shaft through yielding coupling, described profile of tooth belt wheel is fixed on described rotary shaft
Bottom, described profile of tooth belt wheel is meshed with described cog belt, and described cog belt is arranged on the side of a stand, described
Cog belt along FMS dolly direction of travel setting, the length of described cog belt is more than the maximum travel distance of FMS dolly,
Described stand is fixedly connected on shim, and described shim fixes on the ground, and described shim is used for
The guide rail of FMS dolly is installed.
2. a kind of little truck position of FMS according to claim 1 closed loop feedback mechanism it is characterised in that：Described support
On bearing block is installed, clutch shaft bearing is installed in described bearing block, described rotary shaft is arranged on described clutch shaft bearing
On, the top of described bearing block is fixed with a sleeve, and described rotary encoder is arranged on the top of described sleeve, described
Yielding coupling be arranged in described sleeve.
3. a kind of little truck position of FMS according to claim 1 closed loop feedback mechanism it is characterised in that：Described stand
Formed by panel beating bending, described stand is fixed on a square steel, described square steel is fixed on described shim.
4. the little truck position of a kind of FMS according to any one of claim 1-3 closed loop feedback mechanism it is characterised in that：
Fixing axle is provided with described support, the centerline parallel of the described centrage of fixing axle and described rotary shaft, described
The upper end of fixing axle stretch out from described support, the upper end of described fixing axle is fixed on described by some nut checks
On frame, the middle part of described fixing axle is held out against by holding screw, and the bottom of described fixing axle is provided with rotating wheel, and described turns
Second bearing is installed between driving wheel and described fixing axle, the wheel face of described rotating wheel abuts in the another of described stand
On the side of side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620958801.3U CN205972760U (en) | 2016-08-26 | 2016-08-26 | Closed loop feedback mechanism of FMS dolly position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620958801.3U CN205972760U (en) | 2016-08-26 | 2016-08-26 | Closed loop feedback mechanism of FMS dolly position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205972760U true CN205972760U (en) | 2017-02-22 |
Family
ID=58036625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620958801.3U Withdrawn - After Issue CN205972760U (en) | 2016-08-26 | 2016-08-26 | Closed loop feedback mechanism of FMS dolly position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205972760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169925A (en) * | 2019-12-31 | 2020-05-19 | 重庆钢铁集团电子有限责任公司 | Control method for running position of high-speed wire rod coil conveying trolley |
-
2016
- 2016-08-26 CN CN201620958801.3U patent/CN205972760U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169925A (en) * | 2019-12-31 | 2020-05-19 | 重庆钢铁集团电子有限责任公司 | Control method for running position of high-speed wire rod coil conveying trolley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20230714 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20230714 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |