CN109947050A - Method for turning and turning equipment for realizing it - Google Patents
Method for turning and turning equipment for realizing it Download PDFInfo
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- CN109947050A CN109947050A CN201711394403.9A CN201711394403A CN109947050A CN 109947050 A CN109947050 A CN 109947050A CN 201711394403 A CN201711394403 A CN 201711394403A CN 109947050 A CN109947050 A CN 109947050A
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Abstract
The invention discloses a kind of method for turning and for realizing its turning equipment.Method includes: that workpiece to be processed is located on workbench, by Cutting tool installation manner on feed arrangement；Determine that the datum curve being located in a datum plane, datum plane carry out projection using the part C AM model of datum curve and workpiece to be processed and calculate to obtain machining path and outgoing route data perpendicular to rotation axis；And according to path data driving workbench movement to drive workpiece to be processed to rotate, and the movement of driving feed arrangement is moved along a straight line with band cutter along several directions, so that cutter acts on workpiece to be processed；Wherein, the radius of curvature of each point of datum curve is identical and the center of curvature of each point of datum curve is different.Path radius is always consistent in this way, without as the prior art: more arrive intermediate path radius it is smaller to knife text consistency it is poor so that the face knife mark consistency that the present invention processes is preferable, performance is preferable.
Description
Technical field
The present invention relates to a kind of method for turning and for realizing its turning equipment.
Background technique
Turnery processing can be used for processing the shell surface of 3C Product accessory such as mobile phone shell, and it is flat that general phone housing is fixed on work
On platform, rotated by workbench drive, lathe tool makees the linear motion in three directions, this Machining of Curved Surface of shell is gone out
Come.The Chinese patent that notification number is CN202377839U discloses the cover board number of a kind of mobile phone component, notebook and tablet computer
Processing unit (plant) is controlled, can be used to carry out this processing.
But in the prior art, machining path is generally generated using helix as shown in Figure 1 as datum curve, workpiece
If mobile phone shell is generally placed upon at the rotation center of workbench, as shown in Fig. 2, more arriving centre in this way, path radius is smaller, thus
Linear velocity is lower and lower, causes knife mark consistency poor, and it is easy to appear small salient points at rotation center, eventually lead to processing
Effect is poor.So need to find a kind of new scheme, existing in the prior art above-mentioned ask is solved or at least partly solved
Topic.
Summary of the invention
The defect of processing effect difference when the technical problem to be solved by the present invention is in order to overcome turnery processing in the prior art,
A kind of method for turning and the turning equipment for realizing it are provided.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of method for turning, it is characterized in that comprising following steps:
Workpiece to be processed is located in can be on the workbench that a rotation axis rotates, by Cutting tool installation manner can be along several
On the feed arrangement of direction linear motion；
Determine that the datum curve being located in a datum plane, the datum plane are utilized perpendicular to the rotation axis
The part C AM model of the datum curve and the workpiece to be processed carries out projection and calculates to obtain machining path and outgoing route
Data；And
According to path data driving workbench movement to drive workpiece to be processed to rotate, and the driving feeding
Device movement is moved along a straight line with band cutter along several directions, so that the cutter acts on the workpiece to be processed；
Wherein, the radius of curvature of each point of the datum curve is identical and the center of curvature of each point of the datum curve is each
It is not identical.
Preferably, the center of curvature of each point of the datum curve is in a central line, the central line and institute
Jante et perpendiculaire is stated in a central point.
Preferably, in the datum plane, using the central line as horizontal axis, using the central point as zero point, to wear
It crosses the zero point and is that the longitudinal axis establishes a plane coordinate system, the public affairs of the datum curve perpendicular to an auxiliary straight line of the horizontal axis
Formula are as follows:
Wherein, P is benchmark curve；(x, y) is coordinate value of each point of the datum curve in the plane coordinate system,
X is the abscissa value of each point, and y is the ordinate value of each point；When α=0, the point starting point of the datum curve is P0, α is described
Each point is to P in datum curve0Curved section radian；D is step pitch, i.e., the described datum curve is adjacent in the central line
The distance between two points；R is the radius of curvature of each point；Rmin is the minimum range of the datum curve and central point.
Using above-mentioned setting, the change of stride such as datum curve, processing effect is more preferable.
Preferably, the Rmin is not less than 30mm；And/or the d is 0.01mm to 0.5mm.
Preferably, step " being located in workpiece to be processed can be on the workbench that a rotation axis rotates " specifically:
At least two workpieces to be processed are deviateed into the rotation axis positioning of workbench on the working platform.
Using above-mentioned setting, processing efficiency can be improved at least two workpiece to be processed of simultaneous processing.
Preferably, step " determining the datum curve being located in a datum plane " specifically:
Choose curve type and input curve parameter；When parameter of curve is within the scope of a given threshold, the base is generated
Directrix curve；When parameter of curve is not within the scope of a given threshold, prompt or warning are issued.
It, can be with mistake proofing using above-mentioned setting.
Preferably, step " according to path data driving workbench movement to drive workpiece to be processed to rotate, and
Drive feed arrangement movement to move along a straight line with band cutter along several directions so that the cutter act on it is described to be processed
Workpiece " specifically:
Motion control instruction is converted by the path data；Workbench movement is driven according to the motion control instruction
To drive workpiece to be processed to rotate, and the driving feed arrangement movement is moved along a straight line with band cutter along several directions, is made
It obtains the cutter and acts on the workpiece to be processed.
A kind of turning equipment, it is characterized in that, the turning equipment adds for realizing turning as described above
Work method, the turning equipment include:
The workbench；
The feed arrangement；
Path planning module, the path planning module include:
Parameter input unit, the parameter input unit is for determining that the benchmark being located in the datum plane is bent
Line；And
CAM cell, the CAM cell are used for the part C AM model using the datum curve and the workpiece to be processed
Projection is carried out to calculate to obtain the machining path and export the path data；And
Motion-control module, the motion-control module are used to drive the workbench movement according to the path data
To drive the workpiece to be processed to rotate, and the driving feed arrangement movement is to drive the cutter along several direction straight lines
Movement, so that the cutter acts on the workpiece to be processed.
Preferably, the turning equipment further includes at least two work piece holders, at least two work piece holders are solid
Determine on the working platform, the rotation axis at least two workpieces to be processed to be deviateed workbench is located in the work
Make on platform.
Using above-mentioned setting, processing efficiency can be improved at least two workpiece to be processed of simultaneous processing.
Preferably, the parameter input unit is according to the curve type of selection and the parameter of curve of input with the determination base
Directrix curve；And
The path planning module further include: parameter correction unit, the parameter correction unit is for judging the curve
Whether parameter is within the scope of a given threshold；If the parameter of curve is within the set threshold range, the datum curve is generated；
If parameter of curve within the set threshold range, does not issue prompt or warning.
Preferably, the motion-control module includes:
Instruction converting unit, described instruction converting unit are used to convert motion control instruction for the path data；
Electric machine controller, the controller is for receiving the motion control instruction；
Rotating electric machine, the rotating electric machine is for driving the workbench to rotate；And
Linear motor, the linear motor is for driving the feed arrangement to move along a straight line；
Wherein, the rotating electric machine, the linear motor by the electric machine controller control.
Preferably, the feed arrangement includes: X to feed unit, Y-direction feed unit and Z-direction feed unit；It is described straight
Line motor includes: X to linear motor, Y-direction linear motor and Z-direction linear motor, and the X is described for driving to linear motor
X to feed unit along X to moving, the Y-direction linear motor is for driving the Y-direction feed unit to move along Y-direction, the Z-direction
Linear motor for driving the Z-direction feed unit to move along Z-direction, the X to, the Y-direction, the Z-direction be mutually perpendicular to.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that:
Method for turning disclosed by the invention and turning equipment for realizing it, processing workpiece to be processed such as
When the shell surface of mobile phone shell, using is the identical datum curve of each point radius of curvature, and path radius is always consistent, without
It can as the prior art: more arrive that intermediate path radius is smaller so that knife text consistency is poor, so that the face that the present invention processes
Knife mark consistency is preferable, and performance is preferable.
Detailed description of the invention
Fig. 1 be in the prior art turnery processing when the datum curve that uses.
Fig. 2 is that the datum curve of Fig. 1 in the prior art projects to the schematic diagram on workpiece to be processed.
Fig. 3 is the schematic flow block diagram of the method for turning of present pre-ferred embodiments.
Datum curve is used when Fig. 4 is turnery processing in present pre-ferred embodiments.
Fig. 5 is that the datum curve of Fig. 4 in present pre-ferred embodiments projects to the schematic diagram on workpiece to be processed.
Fig. 6 is the schematic block diagram of the turning equipment of present pre-ferred embodiments.
Description of symbols:
10: turning equipment
100: workbench
200: feed arrangement
210:X is to feed unit
220:Y is to feed unit
230:Z is to feed unit
300: path planning module
310: parameter input unit
320:CAM unit
330: parameter correction unit
400: motion-control module
410: instruction converting unit
420: electric machine controller
430: rotating electric machine
440: linear motor
441:X is to linear motor
442:Y is to linear motor
443:Z is to linear motor
500: work piece holder
20: workpiece to be processed
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
As shown in figure 3, a kind of method for turning comprising following steps:
S1: workpiece to be processed is located in can be on the workbench that a rotation axis rotates, by Cutting tool installation manner can edge
On the feed arrangement of several direction linear motions；
S2: determine that the datum curve being located in a datum plane, datum plane utilize benchmark song perpendicular to rotation axis
The part C AM model of line and workpiece to be processed carries out projection and calculates to obtain machining path and outgoing route data；And
S3: according to path data driving workbench movement to drive workpiece to be processed to rotate, and driving feed arrangement
Movement is moved along a straight line with band cutter along several directions, so that cutter acts on workpiece to be processed.
Wherein, the radius of curvature of each point of datum curve is identical and the center of curvature of each point of datum curve is different.
Although in the present embodiment, being indicated with the sequence of S1, S2, S3, it should be understood by those skilled in the art that: at other
In embodiment, on the basis of common knowledge of the art, above step be may be performed simultaneously or sequencing is become
More, can be such as performed simultaneously with S1 and S2, S2 can also be first carried out and execute S1 again, can also in S1 several steps with it is several in S2
A step, which is intersected, to be executed.
When processing the shell surface of workpiece to be processed such as mobile phone shell, using is that the identical benchmark of each point radius of curvature is bent
Line, path radius is always consistent, without as the prior art: it is smaller to which knife text is consistent more to arrive intermediate path radius
Property is poor, so that the face knife mark consistency that the present invention processes is preferable, performance is preferable.There is no the situation for finally closing at center,
Processing rear center's small salient point will not be led to the problem of.
The center of curvature of each point of datum curve is in a central line, central line and jante et perpendiculaire Yu Yizhong
Heart point.Specifically, as shown in figure 4, in datum plane, using central line as horizontal axis, using central point as zero point, to pass through zero point
And a plane coordinate system, the formula of datum curve are established for the longitudinal axis perpendicular to an auxiliary straight line of horizontal axis are as follows:
Wherein, P is benchmark curve；(x, y) is coordinate value of each point of benchmark curve in plane coordinate system, and x is each point
Abscissa value, y be each point ordinate value；When α=0, the point starting point of datum curve is P0, α is each point in benchmark curve
To P0Curved section radian；D is step pitch, i.e. distance between datum curve two points adjacent in central line；R is each
The radius of curvature of point；Rmin is the minimum range of benchmark curve and central point.The change of stride such as datum curve in this way, processing effect
More preferably.P0It has been marked in Fig. 4, the coordinate of the point is (x=1.5R+0.5Rmin, y=0).
Rmin is not less than 30mm.D is 0.01mm to 0.5mm.
" being located in workpiece to be processed can be on the workbench that a rotation axis rotates " of step S1 specifically:
The rotation axis that at least two workpieces to be processed deviate workbench is located on workbench.
In the present embodiment, as shown in Figure 5, processing efficiency can be improved with two workpieces to be processed 20 of simultaneous processing.In view of
The datum curve of the present embodiment also can be realized disposable add as shown, two workpieces to be processed 20 deviate center certain distance
Work is completed.In alternative embodiment, more than two workpiece to be processed can also be processed.
" determining the datum curve being located in a datum plane " of step S2 specifically:
Choose curve type and input curve parameter；When parameter of curve is within the scope of a given threshold, it is bent to generate benchmark
Line；When parameter of curve is not within the scope of a given threshold, prompt or warning are issued.It can be inputted in this way in parameter wrong with mistake proofing
It mistakes, prompts or alert operator.
Step S3 " according to path data driving workbench move to drive workpiece to be processed to rotate, and drive into
Move to device and moved along a straight line with band cutter along several directions, so that cutter acts on workpiece to be processed " specifically:
Motion control instruction is converted by path data；According to motion control instruction drive workbench movement with drive to
Workpieces processing rotation, and the movement of driving feed arrangement are moved along a straight line with band cutter along several directions, so that cutter acts on
Workpiece to be processed.
As shown in fig. 6, present embodiment discloses a kind of turning equipments 10, for realizing method for turning.The vehicle
Cutting process equipment 10 includes: workbench 100, feed arrangement 200, path planning module 300 and motion-control module 400.
Path planning module 300 includes: parameter input unit 310 and CAM cell 320.Parameter input unit 310 is located at base for determining
Datum curve in directrix plane.CAM cell 320 is used to carry out using the part C AM model of datum curve and workpiece to be processed 20
Projection is calculated to obtain machining path and outgoing route data.Motion-control module 400 is used to drive work according to path data
The movement of platform 100 is to drive workpiece to be processed 20 to rotate, and driving feed arrangement 200 is moved with band cutter along several directions
Linear motion, so that cutter acts on workpiece to be processed 20.
Turning equipment 10 further includes at least two work piece holders 500, and at least two work piece holders 500 are fixed on work
On platform 100, the rotation axis at least two workpieces to be processed 20 to be deviateed workbench 100 is located in workbench
On 100.With it is corresponding to the description of method above, in the present embodiment, can with two workpieces to be processed 20 of simultaneous processing, improve plus
Work efficiency rate.
Specifically, parameter input unit 310 is according to the curve type of selection and the parameter of curve of input to determine benchmark song
Line.Path planning module 300 further include: whether parameter correction unit 330, parameter correction unit 330 are used for judgment curves parameter
Within the scope of a given threshold；If parameter of curve within the set threshold range, generates datum curve；If parameter of curve is not being set
Determine in threshold range, then issues prompt or warning.It, will be related after the judgement of parameter correction unit 330 meets the requirements in the present embodiment
Information is such as: curve type and parameter of curve send CAM cell 320 to.In alternative embodiment, parameter correction unit judgement symbol
Close require after, judging result can be fed back to parameter input unit, still by parameter input unit by relevant information such as: curve
Type and parameter of curve send CAM cell to, that is to say, that parameter correction unit can not be connect with CAM cell.
Motion-control module 400 includes: instruction converting unit 410, electric machine controller 420, rotating electric machine 430 and straight line
Motor 440.Instruction converting unit 410 is used to convert motion control instruction for path data.Controller is for receiving movement control
System instruction.Rotating electric machine 430 is for driving workbench 100 to rotate.Linear motor 440 is for driving 200 straight line of feed arrangement
Movement.Wherein, rotating electric machine 430, linear motor 440 by electric machine controller 420 control.
Feed arrangement 200 includes: X to feed unit 210, Y-direction feed unit 220 and Z-direction feed unit 230.Straight line
Motor 440 includes: X to linear motor 441, Y-direction linear motor 442 and Z-direction linear motor 443.X is used to linear motor 441
In driving X to feed unit 210 along X to moving.Y-direction linear motor 442 is for driving Y-direction feed unit 220 to move along Y-direction.Z
To linear motor 443 for driving Z-direction feed unit 230 to move along Z-direction.X to, Y-direction, Z-direction be mutually perpendicular to.It is alternative to implement
In example, feed arrangement can be only comprising X to feed unit and Z-direction feed unit, and linear motor is correspondingly only comprising X to straight-line electric
Machine and Z-direction linear motor；Or feed arrangement can only include Y-direction feed unit and Z-direction feed unit, linear motor is correspondingly
It only include Y-direction linear motor and Z-direction linear motor.
In the present embodiment, X is horizontal direction to, Y-direction, and Z-direction is vertical direction.The rotation axis side of workbench 100
To also be vertical direction.Fig. 5 is top view.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (12)
1. a kind of method for turning, which is characterized in that itself the following steps are included:
Workpiece to be processed is located in can be on the workbench that a rotation axis rotates, by Cutting tool installation manner can be along several directions
On the feed arrangement of linear motion；
Determine the datum curve being located in a datum plane, the datum plane is perpendicular to the rotation axis, using described
The part C AM model of datum curve and the workpiece to be processed carries out projection and calculates to obtain machining path and outgoing route number
According to；And
According to path data driving workbench movement to drive workpiece to be processed to rotate, and the driving feed arrangement
Movement is moved along a straight line with band cutter along several directions, so that the cutter acts on the workpiece to be processed；
Wherein, the radius of curvature of each point of the datum curve is identical and each not phase of the center of curvature of each point of the datum curve
Together.
2. method for turning as described in claim 1, which is characterized in that the center of curvature of each point of the datum curve exists
In one central line, the central line and the jante et perpendiculaire are in a central point.
3. method for turning as claimed in claim 2, which is characterized in that straight with the center in the datum plane
Line is horizontal axis, using the central point as zero point, to pass through the zero point and perpendicular to an auxiliary straight line of the horizontal axis as the longitudinal axis
Establish a plane coordinate system, the formula of the datum curve are as follows:
Wherein, P is benchmark curve；(x, y) is coordinate value of each point of the datum curve in the plane coordinate system, and x is
The abscissa value of each point, y are the ordinate value of each point；When α=0, the point starting point of the datum curve is P0, α is the base
Each point is to P in directrix curve0Curved section radian；D is step pitch, i.e., the described datum curve is adjacent two in the central line
The distance between a point；R is the radius of curvature of each point；Rmin is the minimum range of the datum curve and central point.
4. method for turning as claimed in claim 3, which is characterized in that the Rmin is not less than 30mm；And/or the d
For 0.01mm to 0.5mm.
5. method for turning as described in claim 1, which is characterized in that " being located in workpiece to be processed can be around one for step
On the workbench of rotation axis rotation " specifically:
At least two workpieces to be processed are deviateed into the rotation axis positioning of workbench on the working platform.
6. method for turning as described in claim 1, which is characterized in that step " determines one be located in a datum plane
Datum curve " specifically:
Choose curve type and input curve parameter；When parameter of curve is within the scope of a given threshold, it is bent to generate the benchmark
Line；When parameter of curve is not within the scope of a given threshold, prompt or warning are issued.
7. such as method for turning of any of claims 1-6, which is characterized in that step is " according to the number of path
According to driving workbench to move to drive workpiece to be processed to rotate, and if driving the feed arrangement movement with band cutter edge
Dry direction linear motion, so that the cutter acts on the workpiece to be processed " specifically:
Motion control instruction is converted by the path data；Drive workbench movement with band according to the motion control instruction
Dynamic workpiece to be processed rotation, and the driving feed arrangement movement are moved along a straight line with band cutter along several directions, so that institute
It states cutter and acts on the workpiece to be processed.
8. a kind of turning equipment, which is characterized in that the turning equipment is for realizing any one of such as claim 1-7
The method for turning, the turning equipment include:
The workbench；
The feed arrangement；
Path planning module, the path planning module include:
Parameter input unit, the parameter input unit is for determining the datum curve being located in the datum plane；With
And
CAM cell, the CAM cell are used to carry out using the part C AM model of the datum curve and the workpiece to be processed
Projection is calculated to obtain the machining path and export the path data；And
Motion-control module, the motion-control module are used to drive the workbench movement with band according to the path data
The workpiece to be processed rotation, and the driving feed arrangement movement are moved to drive the cutter to transport along several direction straight lines
It is dynamic, so that the cutter acts on the workpiece to be processed.
9. turning equipment as claimed in claim 8, which is characterized in that the turning equipment further includes at least two
Work piece holder, at least two work piece holders are fixed on the working platform, at least two workpieces to be processed are inclined
Rotation axis positioning from workbench is on the working platform.
10. turning equipment as claimed in claim 8, which is characterized in that the parameter input unit is according to the song of selection
Line type and the parameter of curve of input are with the determination datum curve；And
The path planning module further include: parameter correction unit, the parameter correction unit is for judging the parameter of curve
Whether within the scope of a given threshold；If the parameter of curve is within the set threshold range, the datum curve is generated；If bent
Line parameter within the set threshold range, does not then issue prompt or warning.
11. the turning equipment as described in any one of claim 8-10, which is characterized in that the motion-control module packet
It includes:
Instruction converting unit, described instruction converting unit are used to convert motion control instruction for the path data；
Electric machine controller, the controller is for receiving the motion control instruction；
Rotating electric machine, the rotating electric machine is for driving the workbench to rotate；And
Linear motor, the linear motor is for driving the feed arrangement to move along a straight line；
Wherein, the rotating electric machine, the linear motor by the electric machine controller control.
12. turning equipment as claimed in claim 11, which is characterized in that the feed arrangement includes: X single to feeding
Member, Y-direction feed unit and Z-direction feed unit；The linear motor includes: X to linear motor, Y-direction linear motor and Z-direction
Linear motor, the X to linear motor for drive the X to feed unit along X to moving, the Y-direction linear motor is used for
The Y-direction feed unit is driven to move along Y-direction, the Z-direction linear motor is used to that the Z-direction feed unit to be driven to move along Z-direction,
The X to, the Y-direction, the Z-direction be mutually perpendicular to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711394403.9A CN109947050B (en) | 2017-12-21 | 2017-12-21 | Turning method and turning device for carrying out the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711394403.9A CN109947050B (en) | 2017-12-21 | 2017-12-21 | Turning method and turning device for carrying out the same |
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| Publication Number | Publication Date |
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| CN109947050A true CN109947050A (en) | 2019-06-28 |
| CN109947050B CN109947050B (en) | 2021-06-11 |
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| CN205414421U (en) * | 2016-03-18 | 2016-08-03 | 深圳市联懋塑胶有限公司 | Cell -phone shell processing vehicle bed |
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|---|---|---|---|---|
| EP0315575A1 (en) * | 1987-09-18 | 1989-05-10 | H. Wohlenberg KG GmbH & Co. | Process and measuring apparatus for the determination of roll diameters |
| JP2001029160A (en) * | 1999-07-19 | 2001-02-06 | Delta Kogyo Co Ltd | Reclining structure of seat |
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| CN205414421U (en) * | 2016-03-18 | 2016-08-03 | 深圳市联懋塑胶有限公司 | Cell -phone shell processing vehicle bed |
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| Publication number | Publication date |
|---|---|
| CN109947050B (en) | 2021-06-11 |
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