CN109396747A - A kind of work pieces process technique - Google Patents
A kind of work pieces process technique Download PDFInfo
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- CN109396747A CN109396747A CN201811589899.XA CN201811589899A CN109396747A CN 109396747 A CN109396747 A CN 109396747A CN 201811589899 A CN201811589899 A CN 201811589899A CN 109396747 A CN109396747 A CN 109396747A
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- workpiece
- lathe
- chamfering
- processing
- plane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
- B23P13/02—Making metal objects by operations essentially involving machining but not covered by a single other subclass in which only the machining operations are important
Abstract
The present invention relates to a kind of work pieces process techniques.The following steps are included: being processed by first lathe to the workpiece by workpiece to be processed clamping on the first lathe and forming inner cavity on the workpiece；The workpiece for completing the embedded SMA actuators again clamping processes the workpiece by first lathe and form outer surface on the workpiece on first lathe；It will complete in the workpiece transfer to the second lathe after the outer surface processes, processing is carried out by edge of second lathe to the inner cavity of the workpiece and form chamfering inclined-plane on the inner cavity.Work pieces process technique in the application, not only ensure that the machining accuracy for the part that surface finish requirements are high in workpiece, and improve the processing efficiency of entire workpiece.
Description
Technical field
The present invention relates to machining process technical fields, more particularly to a kind of work pieces process technique.
Background technique
Currently, common notebook computer casing mostly uses greatly plastic shell made of Shooting Technique.But plastic shell
With thermally conductive, heat sinking function is poor, the low disadvantage of aesthetics, therefore the notebook computer casing of metal material rises therewith.
The notebook computer casing of metal material generallys use milling process and is processed, but due to laptop outside
Shell is complex-shaped, traditional milling machine add man-hour requirement multiple clamping to process the different location of notebook computer casing,
It causes that working efficiency is low, and the variation of multiple clamping bring positioning datum, also leads to the processing essence of notebook computer casing
Degree reduces.
Summary of the invention
Based on this, it is necessary in view of the above technical problems, provide a kind of work pieces process technique, have it is high in machining efficiency, add
Work advantage with high accuracy.
A kind of work pieces process technique, comprising the following steps:
By workpiece to be processed clamping on the first lathe, processing is carried out to the workpiece by first lathe and in institute
It states and forms inner cavity on workpiece；
The workpiece for completing the embedded SMA actuators again clamping is passed through into first lathe on first lathe
The workpiece is processed and forms outer surface on the workpiece；
It will complete in the workpiece transfer to the second lathe after the outer surface processes, by second lathe to institute
The edge for stating the inner cavity of workpiece carries out processing and forms chamfering inclined-plane on the inner cavity.
The workpiece includes the first face and the second face being oppositely arranged in one of the embodiments, further includes connection institute
State the lateral circle surface in the first face and the second face；
In the step of forming the inner cavity, described first, facing towards top clamping, is processed on first face
And form the inner cavity；
In the step of forming the outer surface, described second facing towards top clamping, in second face and the side
Circumferential surface is processed to form the outer surface.
The chamfering inclined-plane includes the first chamfering in one of the embodiments, and first chamfering is on the workpiece
Circumferentially it is arranged, in the longitudinal profile of the workpiece, first chamfering is inclined relative to the clamping plane of the workpiece
Tiltedly setting, circumferentially Continuous maching obtains first chamfering to the cutter of second lathe.
In one of the embodiments, when processing first chamfering, the cutter axis orientation of the lathe tool of second lathe
It is remained unchanged with the angle of vertical direction.
The chamfering inclined-plane includes the second chamfering in one of the embodiments, and second chamfering is on the workpiece
Circumferentially it is arranged, in the longitudinal profile of the workpiece, second chamfering is obliquely installed relative to first chamfering,
And second chamfering is obliquely installed relative to the clamping plane of the workpiece, the cutter of second lathe circumferentially connects
Continuous processing obtains second chamfering.
In one of the embodiments, when processing second chamfering, the cutter axis orientation of the lathe tool of second lathe
It is constant with the angle of vertical direction.
In one of the embodiments, when processing the inner cavity and the outer surface, the lathe tool of first lathe
Clamping plane of the cutter axis orientation perpendicular to the workpiece.
In one of the embodiments, when processing the chamfering inclined-plane, the cutter axis orientation of the lathe tool of second lathe
It is obliquely installed with the clamping plane of the workpiece.
The chamfering inclined-plane is processed by the side blade of the lathe tool of the second lathe in one of the embodiments,.
First lathe is three axis lathes in one of the embodiments, and second lathe is five-axis machine tool.
The utility model has the advantages that by the inner cavity on the first machine tool processing workpiece, by the outer surface on the first machine tool processing workpiece,
By the chamfering inclined-plane on the second machine tool processing workpiece, when the requirement on machining accuracy on chamfering inclined-plane is higher than the inner cavity and described
When the machining accuracy of outer surface, by the way that workpiece is divided into several different processing structures, and united respectively by different lathes
One processing, for example, the part low by the machine tooling surface finish requirements of inferior grade, passes through high-grade machine tooling surface essence
Spend demanding part.Inferior grade lathe has the advantages that process velocity is fast, high-grade lathe have the advantages that it is high in machining efficiency,
It so not only ensure that the machining accuracy of the high part of surface finish requirements, and improve the processing efficiency of entire workpiece.
Detailed description of the invention
Fig. 1 a, Fig. 1 b are respectively the schematic flow chart of the work pieces process technique in two embodiments of the application；
Fig. 2 is the structural schematic diagram of the workpiece in the application one embodiment；
Fig. 3 is the front view of the workpiece in Fig. 2；
Fig. 4 is the workpiece in Fig. 3 along the schematic diagram in the process of workpiece shown in the section view visual angle in the direction A-A；
Fig. 5 is the workpiece in Fig. 3 along the schematic diagram in the process of workpiece shown in the section view visual angle in the direction B-B.
Specific embodiment
To facilitate the understanding of the present invention, referring to relevant drawings to invention is more fully described.It is given in attached drawing
Present pre-ferred embodiments are gone out.But the invention can be realized in many different forms, however it is not limited to described herein
Embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding of the disclosure of invention more preferably thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes.
As shown in Figure 1a, Fig. 1 a is the schematic flow chart of the work pieces process technique in the application one embodiment.The work
Part processing technology needs the electronics work by turnery processing suitable for processing notebook computer casing, phone housing, panel housings etc.
Part shell.In a particular embodiment, by taking notebook computer casing as an example, detailed introduction is done to above-mentioned work pieces process technique.
As shown in Figure 1a, work pieces process technique includes the following steps:
By workpiece to be processed clamping on the first lathe, workpiece process and formed on workpiece by the first lathe
Inner cavity.
The workpiece for completing embedded SMA actuators again clamping processes simultaneously workpiece by the first lathe on the first lathe
Outer surface is formed on workpiece.
It will complete in the workpiece transfer to the second lathe after outer surface processes, by the second lathe to the side of the inner cavity of workpiece
Edge carries out processing and forms chamfering inclined-plane on inner cavity.
Wherein, for notebook computer casing as above-mentioned workpiece, the chamfering inclined-plane in shell is to need and other components
Need the face that cooperates in assembly, notebook computer casing includes above-mentioned chamfering inclined-plane and panel, in assembly, in order to prevent
There is gap between panel and chamfering inclined-plane, needs chamfering inclined-plane that there is the surface accuracy of high requirement, that is to say, that workpiece
The requirement on machining accuracy on chamfering inclined-plane is higher than the requirement of the inner cavity of workpiece and the machining accuracy of shell.
It should be noted that processing in the step of processing forms inner cavity on workpiece and on workpiece shape in above-mentioned step
Between the step of outer surface, do not have clearly defined precedence relationship, referring to Fig. 1 b, in some embodiments, according to tool
The processing technology of the difference of body application scenarios, workpiece can also include the following steps:
By workpiece to be processed clamping on the first lathe, workpiece process and formed on workpiece by the first lathe
Outer surface.
To complete the workpiece that outer surface processes, clamping processes workpiece by the first lathe on the first lathe again
And inner cavity is formed on workpiece.
By complete embedded SMA actuators after workpiece transfer to the second lathe on, by the second lathe to the edge of the inner cavity of workpiece
It carries out processing and forms chamfering inclined-plane on inner cavity.
Wherein, in the step of processing outer surface and processing inner cavity, clamping plane of the workpiece on the first lathe is different
's.Specifically, it after processing outer surface, needs after 180 ° of workpiece turning, clamping is on the first lathe again.
Optionally, the first lathe uses three axis lathes.Common, three axis lathes refer to tri- axis of X, Y, Z, when processing
Workpiece is located on lathe, the lathe tool of lathe can along the x axis, Y direction and Z-direction it is mobile to complete to add workpiece
Work.Three axis lathes have structure simple, the fast advantage of process velocity.And three axis lathe due to technology maturation, in machining field
It is widely used, and then it is reduced in the cost of workpieces processing.In particular, cutter is easy consume material in machining,
Due to the generality of three axis lathes, cutting-tool engineering relative maturity further reduces the cost of three axis lathes, and then passes through three
The average unit cost of axis machine tool processing workpiece is lower.In the present embodiment, by clamped one time, inner cavity is processed on workpiece, is processed
Speed is fast, and processing cost is low.
In one embodiment, before workpieces processing, the different Working positions of workpiece are divided in advance, the mark of division
It is quasi- for example, whether machining accuracy size is curved surface, if for inclined-plane etc..Some requirement on machining accuracy are high, and finished surface is multiple
Miscellaneous position is separately machined using the progress of independent lathe, and some required precisions are low, and the simple position of finished surface is using another
Independent lathe is unified to be processed.By the different Working position progress of workpiece point, the position that will disposably process carries out unification
Processing improves processing efficiency to reduce replacement clamping times to the greatest extent.
For example, when processing inner cavity, first by big feed speed on workpiece roughing inner cavity preliminary profile,
It then proceedes to finish workpiece with identical clamping posture on the first lathe, so that the surfacing of inner cavity.?
When finishing, also unified processing obtains the various function troughs on inner cavity, these function troughs for example can be notebook computer casing
On keyboard groove etc..
Workpiece with inner cavity is disassembled from the first lathe, replace clamping position after again clamping in the first lathe
On, it is processed on workpiece by the first lathe and forms outer surface.For example, with reference to Fig. 2, workpiece includes the first face being oppositely arranged
110 and second face 120, it further include the lateral circle surface 130 for connecting the first face 110 and the second face 120.In the step of processing inner cavity,
First face 110 clamping upward, processing obtains inner cavity 140 on the first face 110.In the step of processing outer surface, by work
Part is disassembled from the first lathe, afterwards turns over 180 °, makes the second face 120 clamping upward, in the second face 120 and side week
Face 130 processes outer surface.When processing outer surface, big feed speed roughing outer profile on workpiece is equally first passed through,
It then proceedes to be finished on the first lathe with the clamping posture, be wanted so that the surface planarity of outer profile reaches design
It asks.
Optionally, the second lathe is five-axis machine tool.Five-axis machine tool refers at least five axial coordinate axis on lathe, i.e., three
A rectilinear coordinates and two rotational coordinates, and can be under the control of Computerized digital control system, while the coordinated movement of various economic factors is processed.
Five-axis machine tool, which is that one kind is high in technological content, precision is high, to be exclusively used in processing complex-curved lathe.But due to five-axis machine tool
Processing cost is higher, and in order to reduce production cost, five-axis machine tool is limited in the application of machining field.The second lathe in the application
Using five-axis machine tool, to complete the processing of complex surface in shell quickly, in high precision.
In the step of processing chamfering inclined-plane 150, pass through the chamfering at 140 edge of inner cavity of the separately machined workpiece of the second lathe
Inclined-plane 150.For example, lathe tool is respectively adopted with 16000rpm when chamfering inclined-plane 150 has different two of surface finish requirements
Revolving speed, the low chamfering inclined-plane 150 of one of surface finish requirements is processed with the feed speed of 3500mmpm, with 12000rpm
Revolving speed, the high chamfering inclined-plane 150 of another surface finish requirements is processed with the feed speed of 1500mmpm, to obtain difference
Requirement on machining accuracy.
Be generally, due to X-axis, Y-axis and Z axis in the structure of three axis lathes it is orthogonal, the motion profile of lathe tool is also
Vertical, when not changing clamping position, generally pass through three axis machine tooling planes, the i.e. inner cavity of workpiece in processing the application
The outer surface and.If desired inclined-plane is processed, it usually needs adjust the clamping position of workpiece, i.e., workpiece is with inclined posture clamping in machine
On bed, the running track of lathe tool is still along X-axis, Y-axis and Z axis, since clamping, lathe tool are adding workpiece itself in an inclined manner
When work workpiece, i.e., inclined plane is processed in workpiece surface.In the application, chamfering inclined-plane 150 is circumferentially set to workpiece
On, repeatedly replacement clamping position is just needed by three axis machine tooling chamfering inclined-planes 150, greatly reduces working efficiency and processing
Precision.The application processes chamfering inclined-plane 150 by five-axis machine tool, and clamping times are few, and machining accuracy is high, and working efficiency also mentions significantly
It is high.
Optionally, the first lathe uses four axis lathes or five-axis machine tool, and the second lathe uses five-axis machine tool.By reasonable
The processing structure of workpiece is divided, one group will be divided into using the structure of a machine tooling, is added by the way that a lathe is unified
This group of structure of work, that is, select suitable lathe, and the structure of high-precision requirement uses such as five-axis machine tool lathe high-grade in this way
Processing, the structure of low requirement on machining accuracy can improve machining accuracy using the machine tooling of the inferior grade as three axis lathes,
Processing efficiency can be improved again, and can reduce processing cost.
For example, the chamfering inclined-plane 150 at 140 edge of inner cavity of the second lathe includes the first chamfering being circumferentially arranged
151, the first chamfering 151 and the clamping plane of workpiece are obliquely installed.Since the inclined chamfering is circumferentially arranged, that is,
Say that chamfering is irregular curved-surface structure, according to continuing that repeatedly replacement clamping will be needed using the three axis machine tooling chamferings
Position reduces working efficiency, and because replacement clamping position causes positioning datum to change, and then machining accuracy is caused to be lower.
In one embodiment, the five-axis machine tool for being employed as the second lathe processes the first chamfering 151, by clamped one time, completes the
The processing of one chamfering 151.
It is the front view of the shell in an embodiment referring to Fig. 3-Fig. 5, Fig. 3, Fig. 4 is shell shown in Fig. 3 along the direction A-A
Cross-sectional view, Fig. 5 be shell shown in Fig. 3 along the direction B-B cross-sectional view.Further, the first chamfering 151 of entire annular with
The corner dimension of vertical direction is constant, and in processing, the lathe tool 201 of the second lathe is obliquely installed, and passes through the side knife of lathe tool 201
Sword processes the first chamfering 151, and in whole process, and lathe tool 201 and the angle of vertical direction is kept to remain unchanged.Due to
The processing for completing entire first chamfering 151 by clamped one time by the second lathe, is changed without clamping position in process,
Do not change positioning datum, keep 151 machining accuracy of the first chamfering high, and then when the subsequent assembly with other accessories of the shell, should fall
The assembly precision for the part that angle is assembled with these greatly improves, to improve the quality of entire laptop.
Common, when processing chamfering, lathe tool is placed with vertical posture usually, is allocated as by the nose part of lathe tool to cut
Part is cut, scheduled surface shape is obtained along the operation processing of scheduled track by lathe tool.Due to point of a knife part and work
The contact area of part is small, and it is intensive to will lead to lathe tool track, long processing time, the low problem of surface accuracy.In the present embodiment, join
See Fig. 4 and Fig. 5, using side there is the lathe tool 201 of blade to be processed, the lathe tool 201 of the second lathe is obliquely installed, lathe tool
201 inclined angles are identical as the inclined angle of the first chamfering 151, complete the first chamfering 151 by the side blade of lathe tool 201
Processing.To have process time short, lathe tool track is simple, the high advantage of surface processing accuracy.
Referring to fig. 4 and Fig. 5, in some embodiments, chamfering inclined-plane 150 further includes opposite first be circumferentially arranged
The second chamfering 152 that chamfering 151 is obliquely installed, the second chamfering 152 and the clamping plane of workpiece are obliquely installed.It is fallen in processing second
When angle 152, by changing 202 tilt angle of lathe tool of the second lathe, make the tilt angle of lathe tool 202 and the second chamfering 152
Tilt angle is consistent, obtains second chamfering 152 along annular Continuous maching by the second lathe.Further, the second chamfering 152
Constant with the angle of vertical direction, when processing the second chamfering 152, the angle of the lathe tool 202 of the second lathe and vertical direction is not
Become.
Specifically, referring to fig. 4 and Fig. 5, the angle between the first chamfering 151 and the clamping plane of workpiece are β, the second chamfering
152 and the angle of the clamping plane of workpiece are α.Wherein, the value of α and β is set according to the design needs, and α can in some embodiments
To be equal to β, to keep the posture of lathe tool 201 and 202 constant during processing the first chamfering 151 and the second chamfering 152,
To improve processing efficiency.
Further, as shown in figure 3, notebook computer casing is rectangular.Due to the first chamfering 151 and the second chamfering
152 in a ring.Therefore, the first chamfering 151 and the second chamfering 152 include that four planar sections 160a, 160b and connection are adjacent
The cambered surface part 170b of the cambered surface part 170a of planar section 160a or adjacent planar section 160b.Due to the first chamfering 151
Constant with the angle of vertical direction, 151 second chamfering 152 of the first chamfering and the angle of vertical direction are constant, flat at two sections of processing
When cambered surface part 170a, 170b between face part 160a, 160b, the lathe tool 201,202 of the second lathe is with solid with vertical direction
Fixed angle rotation.
In the step of processing inner cavity, by the first face 110 of workpiece, clamping is on the first lathe upward, the second face of workpiece
120 are bonded with fixture, i.e., the second face 120 of workpiece is clamping plane at this time.When processing inner cavity 140, the lathe tool of the first lathe
Cutter axis orientation perpendicular to clamping plane, to obtain inner cavity 140 in processing.In the step of processing outer surface, by the of workpiece
On the first lathe, the first face 110 of workpiece is bonded clamping with fixture upward in two faces 120, i.e. the first face 110 of workpiece is at this time
Clamping plane.When processing outer surface, the cutter axis orientation of the lathe tool of the first lathe is perpendicular to clamping plane.
In the step of processing chamfering inclined-plane, by the first face 110 of workpiece, clamping is on the second lathe upward, and the of workpiece
Two faces 120 are bonded with fixture, i.e., the second face 120 of workpiece is clamping plane at this time.When processing chamfering inclined-plane 150, the second machine
The cutter axis orientation and clamping plane of the lathe tool 201,202 of bed are obliquely installed, and pass through the side knife of the lathe tool 201,202 of the second lathe
Sword is processed to obtain chamfering inclined-plane 150.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of work pieces process technique, which comprises the following steps:
By workpiece to be processed clamping on the first lathe, processing is carried out to the workpiece by first lathe and in the work
Inner cavity is formed on part；
By the workpiece for completing the embedded SMA actuators, clamping is on first lathe again, by first lathe to institute
Workpiece is stated to be processed and form outer surface on the workpiece；
It will complete in the workpiece transfer to the second lathe after the outer surface processes, by second lathe to the work
The edge of the inner cavity of part carries out processing and forms chamfering inclined-plane on the inner cavity.
2. work pieces process technique according to claim 1, which is characterized in that the workpiece includes the first face being oppositely arranged
It further include the lateral circle surface for connecting first face and the second face with the second face；
In the step of forming the inner cavity, described first facing towards top clamping, process on first face simultaneously shape
At the inner cavity；
In the step of forming the outer surface, described second facing towards top clamping, in second face and the lateral circle surface
Processing forms the outer surface.
3. work pieces process technique according to claim 1, which is characterized in that the chamfering inclined-plane includes the first chamfering, institute
It states the first chamfering to be circumferentially arranged on the workpiece, in the longitudinal profile of the workpiece, first chamfering is opposite
It is obliquely installed in the clamping plane of the workpiece, circumferentially Continuous maching obtains described first to the cutter of second lathe
Chamfering.
4. work pieces process technique according to claim 3, which is characterized in that when processing first chamfering, described
The cutter axis orientation of the lathe tool of two lathes and the angle of vertical direction remain unchanged.
5. work pieces process technique according to claim 3, which is characterized in that the chamfering inclined-plane includes the second chamfering, institute
It states the second chamfering to be circumferentially arranged on the workpiece, in the longitudinal profile of the workpiece, second chamfering is opposite
It is obliquely installed in first chamfering, and second chamfering is obliquely installed relative to the clamping plane of the workpiece, described
Circumferentially Continuous maching obtains second chamfering to the cutter of two lathes.
6. work pieces process technique according to claim 5, which is characterized in that when processing second chamfering, described
The cutter axis orientation of the lathe tool of two lathes and the angle of vertical direction are constant.
7. work pieces process technique according to claim 1, which is characterized in that processing the inner cavity and the outer surface
When, the clamping plane of the cutter axis orientation of the lathe tool of first lathe perpendicular to the workpiece.
8. work pieces process technique according to claim 1, which is characterized in that when processing the chamfering inclined-plane, described
The cutter axis orientation of the lathe tool of two lathes and the clamping plane of the workpiece are obliquely installed.
9. work pieces process technique according to claim 8, which is characterized in that pass through the side blade of the lathe tool of the second lathe
Process the chamfering inclined-plane.
10. work pieces process technique described in -9 any one according to claim 1, which is characterized in that first lathe is three
Axis lathe, second lathe are five-axis machine tool.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112720078A (en) * | 2020-12-22 | 2021-04-30 | 河南裕展精密科技有限公司 | CNC machining method and system for side hole and side hole chamfer |
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| CN107199287A (en) * | 2017-01-25 | 2017-09-26 | 蔡振豪 | The manufacture method and particular manufacturing craft of a kind of phone housing |
| CN107175461A (en) * | 2017-04-27 | 2017-09-19 | 维沃移动通信有限公司 | A kind of processing method of bonnet, bonnet and mobile terminal |
| CN107116343A (en) * | 2017-06-09 | 2017-09-01 | 广东欧珀移动通信有限公司 | Metal center processing technology, metal center and electronic installation |
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