CN105303002B - The determining method and apparatus of mold die face remained amount - Google Patents
The determining method and apparatus of mold die face remained amount Download PDFInfo
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- CN105303002B CN105303002B CN201510852474.3A CN201510852474A CN105303002B CN 105303002 B CN105303002 B CN 105303002B CN 201510852474 A CN201510852474 A CN 201510852474A CN 105303002 B CN105303002 B CN 105303002B
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Abstract
The invention discloses a kind of determining method and apparatus of mold die face remained amount, avoid the secondary operation caused by processing is not in place, reduce the workload of pincers worker.Its technical solution is：Mold after scanning machining；Scan data is compared with corresponding process data；Based on comparison result statistical analysis radius of corner, side wall inclination angle and the relationship of residual processing amount；According to radius of corner, side wall inclination angle and the relationship of residual processing amount, the remained amount of side wall and fillet is formulated with reference to die face.
Description
Technical field
The present invention relates to mold die face remained amount determining technology more particularly to apply the mold on vehicle exterior cladding element
The determining method and apparatus of die face remained amount.
Background technology
With the development of science and technology and the progress in epoch, in mould design and manufacture, rely on over a long period of time pincers worker, using pincers worker as
The manufacturing mode at center is just gradually substituted by the Advanced Manufacturing Modes centered on technology, design.In die manufacture
Debugging problem has been advanced to the design of processing digital-to-analogue, even stamping process design stage solves.Before mold processing and manufacturing,
By various technical finesse means, the process data adjusted through die face can effectively reduce stamping parts and the possibility of defect occurs,
It may be said that the accuracy of die face data is higher, the possibility that stamping parts goes wrong is with regard to smaller, the workload of follow-up pincers worker debugging
Also it will substantially reduce therewith, die manufacturing cycle will also greatly shorten.Now, die face engineering has become in Die Manufacture Flow not
The link that can or lack.
When mold is processed, side wall is being processed and during recessed radius area, due to allowing the presence of knife phenomenon, these regions are difficult
In place, there are residual processing amounts, cause to shore in fillet or side-walls during molding, and it is a large amount of that this just needs pincers worker to spend for processing
Time carries out polishing and residual volume is gone to work.Therefore it is essential to the resigning of side wall and fillet in die face engineering.According to scene
Feedback, the resigning of fillet and side wall usually done significantly reduces the labor intensity and debugging cycle of worker, can make debugging
Period reduces 4~5 days, while is also obviously improved mould appearance quality.
It has been widely used in production with fillet resigning although side wall is stepped down, either in the literature, also
It is in actual production, method to be determined there is no effective to the remained amount of side wall and fillet, is all rule of thumb to determine one
A range substantially never considers practical machine tool capability, die face feature (side wall angle α, side wall angle of inclination beta and fillet
Size) difference.
Current fillet is stepped down with side wall uses following scheme generally according to experience：
| Recessed fillet (2≤R ＜ 10) | Recessed fillet (10≤R≤20) | Side wall | |
| General approach | RMould=RIt is former–2 | RMould=RIt is former×0.7 | Only outer ring side wall is stepped down, and internal side wall is without resigning |
According to the mold that this scheme is stepped down, in its drawing operation, subsequent handling functional area and subsequent handling nonfunctional area
Effect in domain is as shown in Figure 1A to Fig. 1 C.It can be seen that current general resigning scheme steps down to the side wall in die face, re-entrant angle
Remained amount does not have quantitative method, all infers simply by experience, thus shores in fillet and side-walls or easily, holds
Be also easy to produce away material difficult, tablet rupture and can not veneer the problems such as.
Invention content
A brief summary of one or more aspects is given below to provide to the basic comprehension in terms of these.This general introduction is not
The extensive overview of all aspects contemplated, and be both not intended to identify critical or decisive element in all aspects also non-
Attempt to define the range in terms of any or all.Its unique purpose is to provide the one of one or more aspects in simplified form
A little concepts are with the sequence for more detailed description given later.
It is an object of the invention to solve the above problems, die face resigning method for determination of amount and dress are provided a mold
It puts, avoids the secondary operation caused by processing is not in place, reduce the workload of pincers worker.
The technical scheme is that：Present invention is disclosed a kind of mold die face resigning method for determination of amount, including：
Step 1：Mold after scanning machining；
Step 2：Scan data is compared with corresponding process data；
Step 3：Based on comparison result statistical analysis radius of corner, side wall inclination angle and the relationship of residual processing amount；
Step 4：According to radius of corner R, the relationship of side wall angle of inclination beta and residual processing amount, side wall is formulated with reference to die face
With the gap remained amount of fillet.
One embodiment of mold die face resigning method for determination of amount according to the present invention, step 2 include：
Scan data is subjected to registration process with corresponding process data using CAD software；
Obtain sampled point in recessed fillet and side-walls, measure scan data and process data at the sampled point away from
From to obtain the residual processing amount at the sampled point.
One embodiment of mold die face resigning method for determination of amount according to the present invention, step 3 include：
Side wall inclination angle and the radius of corner at the sampled point are measured, to obtain radius of corner R, side wall angle of inclination beta and processing
The relationship of residual volume.
One embodiment of mold die face resigning method for determination of amount according to the present invention, the determining side of mold die face remained amount
Method is applied to vehicle exterior cladding element.
One embodiment of mold total order die face resigning method for determination of amount according to the present invention, the fillet include recessed fillet
With dome angle, as ranging from 2mm≤R≤20mm of the radius of corner R of recessed fillet, the maximal clearance remained amount at recessed fillet
For 1mm.
One embodiment of mold total order die face resigning method for determination of amount according to the present invention, the side wall include concave side wall
With convex side wall, when side wall angle of inclination beta is not less than 40 ° and side wall length is not less than 10mm, the concave side wall in drawing operation is stepped down
0.2mm, concave side wall and convex side wall resigning 0.5mm in drawing subsequent handling；When side wall angle of inclination beta be less than 40 ° when or its side wall
When length is less than 10mm, do not step down.
Present invention further teaches a kind of determining device of mold die face remained amount, including：
Scan module, the mold after scanning machining；
Scan data is compared comparing module with corresponding process data；
Analysis module, based on comparison result statistical analysis radius of corner, side wall inclination angle and the relationship of residual processing amount；
Remained amount determining module, according to radius of corner R, the relationship of side wall angle of inclination beta and residual processing amount, with reference to die face
Formulate the gap remained amount of side wall and fillet.
One embodiment of the determining device of mold die face remained amount according to the present invention, comparing module include：
Scan data is carried out registration process by alignment unit using CAD software with corresponding process data；
Residual processing phasor measurement unit obtains sampled point in recessed fillet and side-walls, measures scan data and processing number
According to the distance at the sampled point, to obtain the residual processing amount at the sampled point.
One embodiment of the determining device of mold die face remained amount according to the present invention, analysis module include：
Residual processing magnitude relation determination unit measures side wall inclination angle and radius of corner at the sampled point, to be justified
The relationship of angular radius R, side wall angle of inclination beta and residual processing amount.
One embodiment of the determining device of mold die face remained amount according to the present invention, the determining dress of mold die face remained amount
It puts applied to vehicle exterior cladding element.
The present invention comparison prior art has following advantageous effect：The present invention proposes accurately determining mould side wall and fillet
The method of remained amount, that is, scanned to the die face after processing, by scan data and process data matching measurement, obtain reality
Type face and the distance of gross data, and consider the factors such as radius of corner and side wall inclination angle, extrapolate accurate remained amount.Compared to
The prior art, the present invention can avoid remained amount deficiency from causing pincers worker work with the determining side wall of accurate quantitative analysis and the remained amount of fillet
Work amount is excessive or remained amount excessively causes the lathe wasting of resources, cannot be formed accurately.Knife phenomenon and lathe are allowed in processing
Energy, cutting tool choice have important relationship, therefore the remained amount of side wall and fillet cannot use for reference merely other people experiences, pass through the present invention
The remained amount for meeting lathe and cutter can be made.
Description of the drawings
Figure 1A to 1C respectively illustrates the mold stepped down according to traditional scheme, in its drawing operation, subsequent handling functional areas
Effect diagram in domain and subsequent handling non-functional area.
Fig. 2 shows the schematic diagrames of the preferred embodiment of the mold die face resigning method for determination of amount of the present invention.
Fig. 3 shows the schematic diagram of the preferred embodiment of the determining device of the mold die face remained amount of the present invention.
Fig. 4 shows the relation schematic diagram of side wall angle, side wall inclination angle and sample.
Fig. 5 shows sampled point accounting trend graph.
Fig. 6 A to 6C respectively illustrate the mold that scheme using the present invention is stepped down, in its drawing operation, subsequent handling work(
Effect diagram in energy region and subsequent handling non-functional area.
Specific embodiment
After the detailed description of embodiment of the disclosure is read in conjunction with the following drawings, it better understood when the present invention's
Features described above and advantage.In the accompanying drawings, each component is not necessarily drawn to scale, and with similar correlation properties or feature
Component may have same or similar reference numeral.
The mold die face resigning method for determination of amount of the present invention can be used for vehicle exterior cladding element mould applications, can also use
In other related fields, such as plate stamping mould applications, field of machining etc..The embodiment of the present invention for automobile outside
It is illustrated for cladding member mold.
Fig. 2 shows the schematic diagrames of the preferred embodiment of the mold die face resigning method for determination of amount of the present invention.It refers to
Fig. 2, the detailed step of the mold die face resigning method for determination of amount of the present embodiment are as follows.
Step S1：Mold after scanning machining.
Step S2：Scan data is compared with corresponding process data.
First, scan data is subjected to registration process with corresponding process data using CAD software.Then, in recessed fillet
Sufficient amount of sampled point is obtained with side-walls, measures scan data and distance of the process data at these sampled points, with
Obtain the residual processing amount at these sampled points.
Step S3：Based on comparison result statistical analysis radius of corner, side wall inclination angle and the relationship of residual processing amount.
Side wall inclination angle and the radius of corner at these sampled points are measured, to obtain, in current lathe and cutter, adding
Stevedore's damage surplus and radius of corner, the relationship at side wall inclination angle.
Step S4：According to radius of corner, the relationship of side wall inclination angle and residual processing amount, with reference to die face formulate side wall and
The gap remained amount of fillet.
Influence residual processing amount because being known as die face feature, including the big of side wall angle α, side wall angle of inclination beta and fillet
The performance of small and lathe and cutter.The present invention is exactly under selected lathe and cutter, and research mold surface-type feature is to processing
The influence of residual volume.Fillet includes recessed fillet and dome angle, as ranging from 2mm≤R≤20mm of the radius of corner R of recessed fillet
When, the maximal clearance remained amount at recessed fillet is 1mm.Side wall includes concave side wall and convex side wall, when side wall angle of inclination beta is not less than
When 40 ° and side wall length are not less than 10mm, the concave side wall resigning 0.2mm in drawing operation, the concave side wall in drawing subsequent handling
With convex side wall resigning 0.5mm；When side wall angle of inclination beta be less than 40 ° when or its side wall length be less than 10mm when, do not step down.
Fig. 4 is referred to, side wall angle α refers to the angle between side wall and adjacent surface, and the smaller cutter of the angle is more difficult to be worked into
Position, from product data, the angle is generally large, and due to the limitation of process tool diameter, on process data also seldom
There are the too small recessed fillet of radius (R ＜ 2mm).Therefore influences of the side wall angle α to machining deviation is put aside.Side wall angle of inclination beta
Refer to side wall with machining the angle of plane, the size of suffered cross component force, i.e. relieving amount when size directly affects cutter work
Number.Fillet is divided into dome angle and recessed fillet, and dome angle, which is generally not present, processes situation not in place, therefore be primarily upon recessed
Fillet, concave round angle radius is smaller, and residual processing amount will be more.
Now by taking the die face of certain specific vehicle Front hut inner as an example, compared point with corresponding process data
It is found after analysis, no matter which kind of state side wall inclination angle is in, and there are the residual processing amounts of 0.1~0.3mm always for recessed fillet, we are really
It is fixed：Recessed fillet of the radius of corner between 2~20mm all needs to step down, and the mode that fixed gap is taken to step down ensures remained amount
Enough, because having stepped down 0.2~0.7mm before, therefore resigning 1mm is at least needed.That is concave round angle radius R：
| 2mm ﹤ R≤20mm | Fixed gap resigning 1mm |
| R ﹥ 20mm | It processes in place, without stepping down |
After the data of side wall acquisition are according to side wall inclination angle taxonomic revision, residual volume trend graph is as shown in figure 5, can send out
Existing, when side wall inclination angle is smaller, processing arrival rate is higher, more than 50% (solid wire), when side wall inclination angle is more than 40 °, and processing
Arrival rate drastically declines (solid wire), and residual volume is significantly raised.
Therefore, when side wall inclination angle is less than 40 °, processing arrival rate is higher, can step down without side wall, when side wall inclination angle
During more than 40 °, residual processing amount gradually increases, and residual volume is substantially between 0.1~0.2mm, it is therefore desirable to step down, allow place value
At least to reach 0.2mm.That is side wall angle of inclination beta：
Summary conclusion has formulated new die face resigning scheme：
Effect after stepping down as prioritization scheme realizes away that material is smooth, and molding is arrived as shown in Fig. 6 A to 6C in drawing operation
Position, tablet smoothly shape.Fillet in subsequent handling is avoided with side wall to be shored, and the functions such as shaping, trimming are smoothly realized.
Fig. 3 shows the principle of the preferred embodiment of the determining device of the mold die face remained amount of the present invention.Refer to figure
3, the determining device of the mold die face remained amount of the present embodiment includes：Scan module 1, comparing module 2, analysis module 3, remained amount
Determining module 4.
Mold after 1 scanning machining of scan module.
Scan data is compared comparing module 2 with corresponding process data.Comparing module 2 includes 21 He of alignment unit
Residual processing phasor measurement unit 22.Scan data is aligned by alignment unit 21 using CAD software with corresponding process data
Processing.Residual processing phasor measurement unit 22 obtains sampled point in recessed fillet and side-walls, measures scan data and process data
Distance at the sampled point, to obtain the residual processing amount at the sampled point.
Analysis module 3 is based on comparison result statistical analysis radius of corner, side wall inclination angle and the relationship of residual processing amount.Analysis
Module 3 includes residual processing magnitude relation determination unit 31, for measuring side wall inclination angle and the radius of corner at the sampled point, with
Obtain radius of corner, side wall inclination angle and the relationship of residual processing amount.
Remained amount determining module 4 is according to radius of corner, side wall inclination angle and the relationship of residual processing amount, with reference to die face system
Determine the gap remained amount of side wall and fillet.
The present invention can avoid remained amount deficiency from causing bench work with the determining side wall of accurate quantitative analysis and the remained amount of fillet
Excessive or remained amount is measured excessively to cause the lathe wasting of resources, cannot be formed accurately.Knife phenomenon and lathe are allowed in processing
Energy, cutting tool choice have important relationship, therefore the remained amount of side wall and fillet cannot use for reference merely other people experiences, pass through the present invention
The remained amount for meeting lathe and cutter can be made.It is smooth that material is realized away in drawing operation simultaneously, is molded in place, tablet
Smoothly forming；Fillet in subsequent handling is avoided with side wall to be shored, and the functions such as shaping, trimming are smoothly realized.Although to make solution
Release simplification the above method is illustrated and is described as a series of actions, it should be understood that and understand, what these methods were not acted
Order is limited, because according to one or more embodiments, some actions can occur and/or in different order with scheming from herein
Show and describe or herein it is not shown and description but it will be appreciated by those skilled in the art that other actions concomitantly occur.
Those skilled in the art will further appreciate that, the various illustratives described with reference to the embodiments described herein
Logic plate, module, circuit and algorithm steps can be realized as electronic hardware, computer software or combination of the two.It is clear
Explain to Chu this interchangeability of hardware and software, various illustrative components, frame, module, circuit and step be above with
Its functional form makees generalization description.Such functionality be implemented as hardware or software depend on concrete application and
It is applied to the design constraint of total system.Technical staff can realize each specific application described with different modes
Functionality, but such realization decision should not be interpreted to cause departing from the scope of the present invention.
General place can be used with reference to various illustrative logic plates, module and the circuit that presently disclosed embodiment describes
Reason device, digital signal processor (DSP), application-specific integrated circuit (ASIC), field programmable gate array (FPGA) other are compiled
Journey logical device, discrete door or transistor logic, discrete hardware component or its be designed to carry out function described herein
Any combinations are realized or are performed.General processor can be microprocessor, but in alternative, which can appoint
What conventional processor, controller, microcontroller or state machine.Processor is also implemented as the combination of computing device, example
As the combination of DSP and microprocessor, multi-microprocessor, the one or more microprocessors to cooperate with DSP core or it is any its
His such configuration.
It can be embodied directly in hardware, in by processor with reference to the step of method or algorithm that embodiment disclosed herein describes
It is embodied in the software module of execution or in combination of the two.Software module can reside in RAM memory, flash memory, ROM and deposit
Reservoir, eprom memory, eeprom memory, register, hard disk, removable disk, CD-ROM or known in the art appoint
In the storage medium of what other forms.Exemplary storage medium is coupled to processor so that the processor can be from/to the storage
Medium is read and write-in information.In alternative, storage medium can be integrated into processor.Pocessor and storage media can
It resides in ASIC.ASIC can reside in user terminal.In alternative, pocessor and storage media can be used as discrete sets
Part is resident in the user terminal.
In one or more exemplary embodiments, described function can be in hardware, software, firmware, or any combination thereof
Middle realization.If being embodied as computer program product in software, each function can be used as the instruction of one or more items or generation
Code may be stored on the computer-readable medium or is transmitted by it.Computer-readable medium includes computer storage media and communication
Both media, including any medium that computer program is facilitated to shift from one place to another.Storage medium can be can quilt
Any usable medium that computer accesses.It is non-limiting as example, such computer-readable medium may include RAM, ROM,
EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage apparatus can be used to carrying or store instruction
Or data structure form desirable program code and any other medium that can be accessed by a computer.Any connection is also by by rights
Referred to as computer-readable medium.For example, if software is using coaxial cable, fiber optic cables, twisted-pair feeder, digital subscriber line
(DSL) or the wireless technology of such as infrared, radio and microwave etc is passed from web site, server or other remote sources
It send, then the coaxial cable, fiber optic cables, twisted-pair feeder, DSL or such as infrared, radio and microwave etc is wireless
Technology is just included among the definition of medium.Disk (disk) and dish (disc) as used herein are including compressing dish
(CD), laser disc, optical disc, digital versatile disc (DVD), floppy disk and blu-ray disc, which disk (disk) are often reproduced in a manner of magnetic
Data, and dish (disc) with laser reproduce data optically.Combinations of the above should also be included in computer-readable medium
In the range of.
Offer is for so that any person skilled in the art all can make or use this public affairs to the previous description of the disclosure
It opens.The various modifications of the disclosure all will be apparent, and as defined herein general for a person skilled in the art
Suitable principle can be applied to spirit or scope of other variants without departing from the disclosure.The disclosure is not intended to be limited as a result,
Due to example described herein and design, but should be awarded and principle disclosed herein and novel features phase one
The widest scope of cause.
Claims (7)
1. a kind of mold die face resigning method for determination of amount, applied to vehicle exterior cladding element, method includes：
Step 1：Mold after scanning machining；
Step 2：Scan data is compared with corresponding process data；
Step 3：Based on comparison result statistical analysis radius of corner, side wall inclination angle and the relationship of residual processing amount；
Step 4：According to radius of corner R, the relationship of side wall angle of inclination beta and residual processing amount, side wall and circle are formulated with reference to die face
The gap remained amount at angle, wherein the fillet includes recessed fillet and dome angle, as the ranging from 2mm of the radius of corner R of recessed fillet
During≤R≤20mm, the maximal clearance remained amount at recessed fillet is 1mm.
2. mold die face resigning method for determination of amount according to claim 1, which is characterized in that step 2 includes：
Scan data is subjected to registration process with corresponding process data using CAD software；
Sampled point is obtained in recessed fillet and side-walls, measures scan data and distance of the process data at the sampled point,
To obtain the residual processing amount at the sampled point.
3. mold die face resigning method for determination of amount according to claim 2, which is characterized in that step 3 includes：
Side wall inclination angle and the radius of corner at the sampled point are measured, to obtain radius of corner R, side wall angle of inclination beta and residual processing
The relationship of amount.
4. mold die face resigning method for determination of amount according to claim 1, which is characterized in that the side wall includes concave side
Wall and convex side wall, when side wall angle of inclination beta is not less than 40 ° and side wall length is not less than 10mm, the concave side wall in drawing operation is stepped down
0.2mm, concave side wall and convex side wall resigning 0.5mm in drawing subsequent handling；When side wall angle of inclination beta be less than 40 ° when or its side wall
When length is less than 10mm, do not step down.
5. a kind of determining device of mold die face remained amount, applied to vehicle exterior cladding element, device includes：
Scan module, the mold after scanning machining；
Scan data is compared comparing module with corresponding process data；
Analysis module, based on comparison result statistical analysis radius of corner, side wall inclination angle and the relationship of residual processing amount；
Remained amount determining module according to radius of corner R, the relationship of side wall angle of inclination beta and residual processing amount, is formulated with reference to die face
The gap remained amount of side wall and fillet, wherein the fillet includes recessed fillet and dome angle, when the model of the radius of corner R of recessed fillet
When enclosing for 2mm≤R≤20mm, the maximal clearance remained amount at recessed fillet is 1mm.
6. the determining device of mold die face remained amount according to claim 5, which is characterized in that comparing module includes：
Scan data is carried out registration process by alignment unit using CAD software with corresponding process data；
Residual processing phasor measurement unit obtains sampled point in recessed fillet and side-walls, measures scan data and exists with process data
Distance at the sampled point, to obtain the residual processing amount at the sampled point.
7. the determining device of mold die face remained amount according to claim 6, which is characterized in that analysis module includes：
Residual processing magnitude relation determination unit measures side wall inclination angle and radius of corner at the sampled point, to obtain fillet half
The relationship of diameter R, side wall angle of inclination beta and residual processing amount.
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| JP2015145834A (en) * | 2014-02-03 | 2015-08-13 | 国立大学法人横浜国立大学 | Residual stress estimation method, residual stress estimation system, and program |
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| CN103455652A (en) * | 2012-05-29 | 2013-12-18 | 利弗莫尔软件技术公司 | Trim line determination in a deep draw manufacturing of a sheet metal part |
| JP2015145834A (en) * | 2014-02-03 | 2015-08-13 | 国立大学法人横浜国立大学 | Residual stress estimation method, residual stress estimation system, and program |
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