CN208662905U - Microspur shift adjusting machine - Google Patents
Microspur shift adjusting machine Download PDFInfo
- Publication number
- CN208662905U CN208662905U CN201820984753.4U CN201820984753U CN208662905U CN 208662905 U CN208662905 U CN 208662905U CN 201820984753 U CN201820984753 U CN 201820984753U CN 208662905 U CN208662905 U CN 208662905U
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- China
- Prior art keywords
- eccentric wheel
- motor
- microspur
- adjusting machine
- shift adjusting
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Abstract
The utility model embodiment discloses a kind of microspur shift adjusting machine, comprising: displacement actuator, eccentric wheel mechanism and motor；Eccentric wheel mechanism includes driving eccentric wheel, and the axis of rotation of eccentric wheel is driven to be connected to motor；Workpiece is installed on displacement actuator；Motor driven drives eccentric wheel to carry out eccentric rotary, by the movement of driving eccentric wheel drive displacement executing agency, so that workpiece reaches predetermined position.The microspur shift adjusting machine of the utility model realizes full closed loop control based on actual displacement value, the micron order shift adjusting machine of eccentric wheel type may be implemented, it is mobile to be able to carry out high precision displacement using the displacement controllability of eccentric wheel；Assembled in situ manpower can be reduced, the cost of shift adjusting machine is reduced, promotes the degree of automation of assembly, is convenient for mass production, production efficiency can be improved, and production cost can be reduced.
Description
Technical field
The utility model relates to process equipment technical field more particularly to a kind of microspur shift adjusting machines.
Background technique
It is needed in the production process of multiple product using shift adjusting machine, for adjusting the distance between workpiece etc..
For example, the middle plate of smart phone is used to support the electric elements such as fixed PCB circuit board, have in the production process of hardened component in
Middle crab bolt is fixed in the particular bore on middle plate by middle crab bolt welding sequence, for electric appliances such as PCB after middle crab bolt welding
The fastened by screw of element.In middle crab bolt welding sequence, needs to combine the displacement error value of CCD detection device analysis, pass through
The displacement (0.1 μm of grade) of crab bolt in shift adjusting machine fine motion adjustment, the accurate contraposition of crab bolt and middle plate hole in realization.But
It is that existing shift adjusting machine cannot achieve such high precision displacement adjustment, influences product quality and production efficiency.Therefore, it needs
Want a kind of novel shift adjusting machine.
Utility model content
In view of this, the utility model embodiment provides a kind of microspur shift adjusting machine, can position to workpiece into
Row fine motion adjustment.
According to the one aspect of the utility model embodiment, a kind of microspur shift adjusting machine is provided, comprising: displacement executes
Mechanism, eccentric wheel mechanism and motor；The eccentric wheel mechanism include driving eccentric wheel, it is described driving eccentric wheel axis of rotation with
The motor connection；Workpiece is installed on the displacement actuator；Driving eccentric wheel described in the motor driven carries out inclined
Heart rotation is moved by displacement actuator described in the eccentric wheel drive of the driving, so that the workpiece reaches predetermined position.
Optionally, further includes: control device；The control device is electrically connected with the motor, and the control device is to institute
It states motor and sends the control instruction control motor operation, the operation feedback signal that the motor is sent is received, to described
The operation of motor carries out closed-loop control.
Optionally, the motor includes: closed loop stepper motor；The closed loop stepper motor includes: that driver and closed loop walk
The encoder rotated coaxially into the output shaft of motor；The control device is connect with the driver with the encoder respectively；
The control device sends pulse and direction signal to the driver；The control device receives the position that the encoder is sent
Feedback pulse signal is set, the actual displacement value of displacement actuator is obtained based on position feedback pulse signal.
Optionally, the control device is electrically connected with detection device；The control device receives the detection device and sends
Work position information, the pulse and direction signal are generated according to the Work position information and actual displacement value；Wherein,
The detection device includes: CCD detection device.
Optionally, the output shaft of the axis of rotation and the closed loop stepper motor of the driving eccentric wheel is directly connected to.
Optionally, the displacement actuator includes: slide bar and reset unit；The reset unit drives the slide bar
First end is matched with the driving eccentric wheel always, is equipped with the workpiece in the second end of the slide bar, the driving is inclined
Slide bar described in heart wheel drive moves back and forth.
Optionally, the displacement actuator includes: fixing slide carriage；The fixing slide carriage and the sliding bar cooperate.
Optionally, through-hole is provided on the fixing slide carriage；The slide bar is slidably matched with the through-hole, so that described
Slide bar carries out straight reciprocating along the through-hole.
Optionally, cross bar is installed in the first end of the slide bar, the outer circle of the cross bar and the driving eccentric wheel connects
Touching.
Optionally, the reset unit includes at least one spring；The spring is arranged in the cross bar and the fixation
Between the slide and both ends of the spring are fixedly connected with the cross bar with the fixing slide carriage respectively.
Optionally, the workpiece includes: middle crab bolt；Wherein, when the middle crab bolt reaches predetermined position, it is described in
Crab bolt and middle plate threaded hole are alignment.
The microspur shift adjusting machine of the utility model, it is real based on actual displacement value using the displacement controllability of eccentric wheel
Existing full closed loop control, may be implemented the micron order shift adjusting machine of eccentric wheel type, and it is mobile to be able to carry out high precision displacement；It can be with
Assembled in situ manpower is reduced, the cost of shift adjusting machine is reduced, promotes the degree of automation of assembly, is convenient for mass production,
Production efficiency can be improved, and production cost can be reduced.
The additional aspect of the utility model embodiment and advantage will be set forth in part in the description, these will be from following
Description in become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is only some embodiments of the utility model, for those of ordinary skill in the art, in not making the creative labor property
Under the premise of, it can also be obtained according to these attached drawings other attached drawings:
Fig. 1 is the structural schematic diagram according to one embodiment of the microspur shift adjusting machine of the utility model；
Fig. 2 is to be shown according to the slide bar of one embodiment and the structure of cross bar of the microspur shift adjusting machine of the utility model
It is intended to；
Fig. 3 is the structural schematic diagram according to another embodiment of the microspur shift adjusting machine of the utility model；
Fig. 4 is the eccentric wheel type displacement principle schematic diagram according to the microspur shift adjusting machine of the utility model.
Specific embodiment
The utility model is described more fully with reference to the accompanying drawings, wherein illustrating the exemplary reality of the utility model
Apply example.The following will be combined with the drawings in the embodiments of the present invention, carries out clearly the technical scheme in the embodiment of the utility model
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.It is practical new to this below with reference to figure and embodiment
The technical solution of type carries out various descriptions.
Hereafter in order to describe conveniently, hereinafter so-called "left", "right", "upper", "lower" and attached drawing itself it is left and right, upper,
Lower direction is consistent.
As shown in Figure 1-3, the utility model provides a kind of microspur shift adjusting machine, comprising: displacement actuator, bias
Take turns mechanism and motor 6.Eccentric wheel mechanism includes driving eccentric wheel 2, and the axis of rotation of driving eccentric wheel 2 is connect with motor 6, can be with
It is directly connected to connect by transmission mechanism.Displacement actuator can be a variety of specific structures, in displacement execution machine
Workpiece 5 is installed on structure.The driving driving eccentric wheel 2 of motor 8 carries out eccentric rotary, is executed by driving 2 drive displacement of eccentric wheel
Mechanism kinematic, so that workpiece reaches predetermined position.Workpiece can there are many, such as workpiece includes middle crab bolt etc., in middle plate spiral shell
When mother reaches predetermined position, middle crab bolt and middle plate threaded hole are alignment.
Control device 7 is electrically connected with motor 6, and control device 7 sends control instruction control motor 8 operation to motor 6 and connects
The operation feedback signal that motor 6 is sent is received, carries out closed-loop control to the operation to motor 6.The operation feedback letter that motor 6 is sent
Number can there are many, control device 7, which is based on operation feedback signal, can obtain actual displacement value, and control device 7 can be based on real
Border shift value realizes full closed loop control to motor 6.Control device 7 and motor 6 etc. can be set in cabinet 9, so that microspur position
Move the compact-sized of adjustment mechanism.The microspur shift adjusting machine of the utility model is based on using the displacement controllability of eccentric wheel
Actual displacement value realizes full closed loop control, workpiece can be made to carry out high precision displacement mobile.
In one embodiment, motor 6 can there are many.For example, motor 6 is closed loop stepper motor, closed loop stepper motor
The encoder rotated coaxially including driver, with the output shaft of closed loop stepper motor.Control device 7 respectively with driver and coding
Device connection, control device 7 send pulse and direction signal, control closed loop stepper motor operation to driver.Control device 7 receives
The position feedback pulse signal that encoder is sent, position feedback pulse signal are operation feedback signal.Control device 7 is based on position
Feedback pulse signal can obtain the actual displacement value of displacement actuator, can realize full closed loop control to motor 6.
Control device 7 is electrically connected with detection device 8, the Work position information that 7 receiving detection device 8 of control device is sent,
Control instruction is generated according to Work position information, control instruction can be pulse and direction signal etc..Detection device can have more
Kind, such as detection device is CCD detection device etc..
The axis of rotation of driving eccentric wheel 2 can be directly connected to the output shaft of closed loop stepper motor, eccentric by driving
2 fixations coaxial with closed loop stepper motor are taken turns, without other movable devices in transmission, drive the rotation angle of eccentric wheel 2 stringent etc.
Angle is rotated in the encoder of closed loop stepper motor.Control device 7 is obtained based on the position feedback pulse signal that encoder is sent
Displacement actuator actual displacement value it is accurate, can to motor 6 realize real-time closed-loop control.
In one embodiment, displacement actuator includes slide bar 1 and reset unit.Reset unit drives the of slide bar 1
One end is matched with driving eccentric wheel 2 always, and the first end and driving eccentric wheel 2 of slide bar 1 can be there are many fit systems.In cunning
The second end of bar 1 is equipped with workpiece 5, and driving 2 driving slider 1 of eccentric wheel moves back and forth.
Displacement actuator includes fixing slide carriage 4, and fixing slide carriage 4 is slidably matched with slide bar 1.For example, can be slided fixed
Through-hole is provided on seat 4, slide bar 1 is arranged in through-hole and is slidably matched with through-hole, so that slide bar 1 carries out linear reciprocation along through-hole
It is mobile.Cross bar 10 can be installed in the first end of slide bar 1, cross bar 10 is contacted with the outer circle of driving eccentric wheel 2.Reset unit can be with
There are many, such as reset unit includes at least one spring 3, spring 3 is arranged between cross bar 10 and fixing slide carriage 4 and spring
3 both ends are fixedly connected with cross bar 10 with fixing slide carriage 4 respectively.
By the pressure of spring 3, guarantee that cross bar 10 contacts always with the edge surface of eccentric wheel 2 is driven, to guarantee slide bar 1
Amount of movement and drive eccentric wheel 2 displacement be consistent.The encoder that closed loop stepper motor tail end is arranged in can detecte
The actual angle △ θ of eccentric wheel 2 is driven, and real-time transmission ensure that control device 7 to closed loop stepper motor to control device 7
Full closed loop control.
In one embodiment, the calculation formula of the amount of movement of eccentric wheel 2 is driven are as follows:
S=h/2* (1-cos θ) (1-1)；
As shown in figure 4, the start bit of θ is that the off-centre operation center of circle is driven to pass through the line of shaft and the angle of top plate normal；h/2
=e is eccentricity, can set e=1；If using the upright position of eccentric line and direction of displacement as movement zero point, formula
θ=pi/2+△ θ in 1-1, in formula 1-1, △ θ is the angle variable quantity of closed loop stepper motor relative motion zero point, positive and negative
Symbol indicates direction of rotation；Displacement variable △ S is indicated are as follows:
△ S=S-S90=e [1-cos (pi/2+△ θ)]-e [1-cos (pi/2)]=e*sin (△ θ) (1-2)；
From in formula 1-2 as can be seen that motor can be solved with reverse and revolved in the case of measuring △ S by CCD detection device
Gyration △ θ (positive and negative expression direction):
△ θ=arcsin (△ S) (unit: radian) (1-3)；
The encoder resolution of closed loop stepper motor uses 2000puls/R (every turn of 2000 pulses), is converted into closed loop step
Into the control umber of pulse of motor are as follows:
2000/ π of P=△ θ *=arcsin (△ S) * 2000/ π (unit: a) (1-4)；
Position △ S that CCD detection device detects may be implemented by this formula 1-4 and closed loop stepper motor is rotary pulsed
The conversion of P realizes CCD detected value by closed loop stepper motor and realizes fine motion.
The precision analysis of microspur shift adjusting machine: the resolving accuracy of every turn of 2000 pulses of closed loop stepper motor, then 1
The corresponding angle △ of pulse are as follows: △ θ=1* pi/2 000 is converted into fine motion shift value are as follows: △ S=e*sin (△ θ)=e*sin (1*
Pi/2 000)=0.0274 μm, greater than 0.1 μm of detection accuracy resolution ratio of CCD detection device.
Microspur shift adjusting machine provided by the above embodiment is based on actual displacement using the displacement controllability of eccentric wheel
Value realizes full closed loop control, and the micron order shift adjusting machine of eccentric wheel type may be implemented, and it is mobile to be able to carry out high precision displacement；
Assembled in situ manpower can be reduced, the cost of shift adjusting machine is reduced, promotes the degree of automation of assembly, is convenient for batch metaplasia
It produces, production efficiency can be improved, and production cost can be reduced.
Above-mentioned any technical solution disclosed in the utility model unless otherwise stated, if it discloses numberical range,
So disclosed numberical range is preferred numberical range, and any it should be appreciated by those skilled in the art preferred numerical value
Range is only the numerical value that technical effect is obvious or representative in many enforceable numerical value.Since numerical value is more,
It is impossible to exhaust, so the utility model discloses component values just to illustrate the technical solution of the utility model, also, above-mentioned
The numerical value enumerated should not constitute the limitation that protection scope is created to the utility model.
Meanwhile if above-mentioned the utility model discloses or relates to the components or structural member of connection fastened to each other,
Unless otherwise stated, it is fixedly connected it is to be understood that connection (such as connecting using bolt or screw) can be removedly fixed,
It is to be understood that non-removable be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other or integral type
Structure (such as manufacturing using casting technique is integrally formed) is replaced (obviously can not be using except integrally formed technique).
In addition, for indicating positional relationship or shape applied in above-mentioned any technical solution disclosed by the utility model
Term its meaning includes approximate with its, similar or close state or shape unless otherwise stated.It is provided by the utility model
Either component by multiple individual component parts either assembled, or the list that integrally formed technique manufactures
Only component.
Above embodiments are only to illustrate the technical solution of the utility model rather than its limitations；Although implementing referring to preferable
The utility model is described in detail in example, it should be understood by those ordinary skilled in the art that: still can be to this reality
It is modified with novel specific embodiment or some technical features can be equivalently replaced；Without departing from the utility model
The spirit of technical solution should all be covered within the scope of the technical scheme claimed by the utility model.
Description of the utility model is given for the purpose of illustration and description, and is not that exhaustively or incite somebody to action this
Utility model is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.
Embodiment was chosen and described in order to better illustrate the principle and practical application of the utility model, and makes the common skill of this field
Art personnel it will be appreciated that the utility model to designing various embodiments suitable for specific applications with various modifications.
Claims (10)
1. a kind of microspur shift adjusting machine characterized by comprising
Displacement actuator, eccentric wheel mechanism and motor；The eccentric wheel mechanism includes driving eccentric wheel, the driving eccentric wheel
Axis of rotation connect with the motor；Workpiece is installed on the displacement actuator；It is driven described in the motor driven
Eccentric wheel carries out eccentric rotary, is moved by displacement actuator described in the eccentric wheel drive of the driving, so that the workpiece arrives
Up to predetermined position.
2. microspur shift adjusting machine as described in claim 1, which is characterized in that
Further include: control device；The control device is electrically connected with the motor, and the control device sends to the motor and controls
System instruction controls the motor operation, receives the operation feedback signal that the motor is sent, to the operation to the motor into
Row closed-loop control.
3. microspur shift adjusting machine as claimed in claim 2, which is characterized in that
The motor includes: closed loop stepper motor；The closed loop stepper motor includes: driver, defeated with closed loop stepper motor
The encoder that shaft rotates coaxially；The control device is connect with the driver with the encoder respectively；The control dress
It sets to the driver and sends pulse and direction signal；The control device receives the position feedback pulse that the encoder is sent
Signal obtains the actual displacement value of displacement actuator based on position feedback pulse signal.
4. microspur shift adjusting machine as claimed in claim 3, which is characterized in that
The control device is electrically connected with detection device；The control device receives the location of workpiece letter that the detection device is sent
Breath generates the pulse and direction signal according to the Work position information and actual displacement value；Wherein, the detection device
It include: CCD detection device.
5. microspur shift adjusting machine as claimed in claim 3, which is characterized in that
The output shaft of the axis of rotation and the closed loop stepper motor of the driving eccentric wheel is directly connected to.
6. microspur shift adjusting machine as claimed in claim 3, which is characterized in that
The displacement actuator includes: slide bar and reset unit；The reset unit drives the first end of the slide bar always
It is matched with the driving eccentric wheel, the workpiece, the driving eccentric wheel drive institute is installed in the second end of the slide bar
Slide bar is stated to move back and forth.
7. microspur shift adjusting machine as claimed in claim 6, which is characterized in that
The displacement actuator includes: fixing slide carriage；The fixing slide carriage and the sliding bar cooperate.
8. microspur shift adjusting machine as claimed in claim 7, which is characterized in that
Through-hole is provided on the fixing slide carriage；The slide bar is slidably matched with the through-hole, so that the slide bar is described in
Through-hole carries out straight reciprocating.
9. microspur shift adjusting machine as claimed in claim 8, which is characterized in that
Cross bar is installed in the first end of the slide bar, the cross bar is contacted with the outer circle of the driving eccentric wheel.
10. microspur shift adjusting machine as claimed in claim 9, which is characterized in that
The reset unit includes at least one spring；The spring be arranged between the cross bar and the fixing slide carriage and
The both ends of the spring are fixedly connected with the cross bar with the fixing slide carriage respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820984753.4U CN208662905U (en) | 2018-06-25 | 2018-06-25 | Microspur shift adjusting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820984753.4U CN208662905U (en) | 2018-06-25 | 2018-06-25 | Microspur shift adjusting machine |
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| Publication Number | Publication Date |
|---|---|
| CN208662905U true CN208662905U (en) | 2019-03-29 |
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ID=65824679
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820984753.4U Expired - Fee Related CN208662905U (en) | 2018-06-25 | 2018-06-25 | Microspur shift adjusting machine |
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| Country | Link |
|---|---|
| CN (1) | CN208662905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112191978A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Device for assisting in brazing of blades |
-
2018
- 2018-06-25 CN CN201820984753.4U patent/CN208662905U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112191978A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Device for assisting in brazing of blades |
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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: 20190329 Termination date: 20200625 |