CN101204758B - Producing method of leather pattern mould - Google Patents
Producing method of leather pattern mould Download PDFInfo
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- CN101204758B CN101204758B CN 200610157583 CN200610157583A CN101204758B CN 101204758 B CN101204758 B CN 101204758B CN 200610157583 CN200610157583 CN 200610157583 CN 200610157583 A CN200610157583 A CN 200610157583A CN 101204758 B CN101204758 B CN 101204758B
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- 239000010985 leather Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000012545 processing Methods 0.000 claims abstract description 42
- 230000008569 process Effects 0.000 claims abstract description 24
- 238000010330 laser marking Methods 0.000 claims abstract description 19
- 238000005530 etching Methods 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims description 28
- 238000010586 diagram Methods 0.000 claims description 19
- 238000002360 preparation method Methods 0.000 claims description 11
- 238000003754 machining Methods 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 56
- 238000005516 engineering process Methods 0.000 description 7
- 238000001259 photo etching Methods 0.000 description 5
- 238000003486 chemical etching Methods 0.000 description 4
- 238000004590 computer program Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005034 decoration Methods 0.000 description 3
- 238000001459 lithography Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
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- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000707825 Argyrosomus regius Species 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
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- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012905 input function Methods 0.000 description 1
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Abstract
The invention discloses a manufacturing method for a leather figure die, which includes the following steps: utilizing a picture input device to get a leather figure processing base picture for a picture processing software to process; the picture processing software generates a leather figure space framework lay picture on the leather figure processing base picture; a laser marking machine carries through etching by layer on the die according to the leather figure space framework lay picture and processes a leather figure needed on the die. The manufacturing method for a leather figure die of the invention has the advantages of good processing effect and low cost.
Description
Technical field
The present invention relates to a kind of preparation method of leather pattern mould.
Background technology
Leather pattern is called for short dermatoglyph, is the dermatine decorative pattern of the lines made of imitation corium, is usually used on household appliances, the automobile interior trim plastic rubber member surface.Because this decorative pattern makes combination with decorative surfaces have top grade, honorable, euphorosia sense as the leather, so be widely used in various decorations field.Part with surperficial dermatoglyph decoration is generally produced with mold injection.The third dimension of dermatoglyph, fineness depend on mould fully.The method of chemical etching or spark machined is adopted in traditional dermatoglyph Mold Making usually.The chemical etching process complexity, process is loaded down with trivial details, the process-cycle is long.At first be to utilize the sensitization technology that the dermatoglyph pattern of design or the corium pattern of imitation are scanned or take, then will make a plate, print, series operations such as exposure, development, the processing of die surface photoresists, pad pasting, chemical attack.Because the lines on the mould is that chemical attack is come out, so the dermatoglyph that is produced with the method processed mould is compared with the corium dermatoglyph, its third dimension, stereovision effect are relatively poor.Need make complicated shaped electrode with electric spark equipment processing dermatoglyph mould.Because the dermatoglyph lines on the mould depends on the shape of electrode, thus the accuracy of manufacture of electrode and specification requirement than higher, required process time is also long.Spark machined is to come ablation metal by electricity, heat, and process velocity is slow, productivity ratio is low.Because electrode constantly is subjected to loss in process, cause the processed mould dermatoglyph that comes out inhomogeneous, whole have error with the design drawing line.Electric spark is created into process technology can use for reference the numerical control milling processing mode, make electrode under digital control system control, according to the certain track motion, by between electrode and the workpiece in the discharge of different relative positions, discharge erodes away pit one by one on surface to be machined, to realize required processing lines.Though this electrode is made simple, but because the precision of processed surface quality of mould and processing depends primarily on the size and the degree of depth of these pits, the compensation for electrode wear measure should be arranged, also want corresponding corresponding working process parameter, so the control system more complicated of this equipment, the required precision of kinematic system are also very high.Such equipment manufacturing cost costliness, the production cost height.Because the minimum corner radius size of electrode is subjected to the restriction of manufacturing technology, so the mould dermatoglyph that processes with this method does not have meticulous, the microgap stereovision effect of high-grade corium dermatoglyph.
On January 19th, 2005, disclosed Chinese invention patent application CN 1566435A related to the manufacture method of the mould that is used to make cloth texture or lines.It constitutes the processing unit (plant) of texture lines mould with the laser beam generator computer program of arranging in pairs or groups.The degree of depth and the style of lines are compiled into computer program, import then to be used for controlling the engraving of laser beam to the mould surface to be machined in the computer.Because this processing method need be worked out complicated computer program, its processing procedure comprises extracts the machining path data from the figure of complexity, be similar to the Digit Control Machine Tool procedure through generating after redundant the processing again, form the lines of dermatoglyph as the movement locus of Laser Processing with this, so be not adapted at using in the actual production processing.Also have at present some three-dimensional laser process equipments from external import can be used for the dermatoglyph processing of mould, the third dimension of its lines and stereovision effect are better than chemical etching or spark machined.This kind equipment price costliness, price reaches millions of units.Consider the utilization rate and the processing cost of equipment, mould manufacturer generally be unwilling investment buying this type of only be used to process equipment based on the dermatoglyph mould of decoration.
Summary of the invention
The objective of the invention is to have proposed good, the cheap leather pattern mould preparation method of a kind of processing effect in order to solve the deficiency that the above-mentioned background process technology exists.
For achieving the above object, the preparation method of leather pattern mould of the present invention comprises following steps: S1, the leather pattern processing base that utilizes graphic input device to obtain handling for PaintShop are schemed; S2, PaintShop are processed at leather pattern and are generated leather pattern D structure aspect figure on the basic figure; S3, laser marking machine carry out the layering etching according to leather pattern D structure aspect figure to mould, process required leather pattern on mould.
The present invention utilizes low-power laser mark machine to realize the making of leather pattern mould, and not only processing effect is good, and cheap.
Description of drawings
The dermatoglyph pattern that Fig. 1 makes for the embodiment of the invention;
Fig. 2 is the dermatoglyph layer cross section schematic diagram of the embodiment of the invention;
Fig. 3 a-3c is that the dermatoglyph particle of the embodiment of the invention cuts open a layer schematic diagram;
Fig. 4 a-4c is that the figure layer of the embodiment of the invention is integrated schematic diagram;
Fig. 5-1 is each schematic cross-section of dermatoglyph mould of the embodiment of the invention to Fig. 5-20;
Fig. 6 is the dermatoglyph Mould Machining schematic diagram of the embodiment of the invention.
The specific embodiment
The embodiment of the invention adopts low-power laser mark machine to make leather pattern mould.Laser marking machine is the figure according to input, and pulsed laser beam by laser instrument, optical element, scanning galvanometer, the output of f-θ mirror carries out etching and processing.In order to realize utilizing laser marking machine to make the method for leather pattern mould, the polar plot that must become laser marking machine can discern, carry out required dermatoglyph pattern transformation at first.
General dermatoglyph is made up of numerous particle or convex-concave points not of uniform size, skewness.Their height usually between 0.05mm-0.5mm, the about 40-100 of density/cm
2With needed dermatoglyph pattern or to select texture as required natural, clear, the tangible leather of pore is as the drawing material, as shown in Figure 1, and the dermatoglyph clean mark among the figure, grain shape, size, convex-concave inequality.With scanner pattern is carried out sampled scan, resolution setting is 800 pixel/inch, selected scanning pattern is stored as the electronic document of TIF form.Laser marking machine can not be carved out the convex-concave point of expression dermatoglyph according to this bitmap on mould, because it can not discern dermatoglyph lines and particle convex-concave point in the bitmap, only can do the mark processing of the plane homogeneous degree of depth.Because bitmap is by forming, and polar plot is made up of line, line chart is compared with point diagram, and figure is more accurate.The embodiment of the invention is utilized the vector graphics process software, and for example CorelDRAW software is depicted as projected outline's polar plot with the dermatoglyph particle among the material figure.With this projected outline's polar plot as the base figure in the dermatoglyph Mould Machining.
Fig. 2 is a dermatoglyph layer cross section schematic diagram.Because the laser marking acc power is little, the beam energy on processing stand surface to the width of nick of material limited (≤0.05mm).General dermatoglyph particle height is no more than 0.5mm, so will carve the required degree of depth, needs the demixing scan photoetching tens of times.According to dermatoglyph particle height, by the mark width of nick of laser equipment whole dermatoglyph face being analysed into thickness is 20 layer cross sections between 0.001mm-0.01mm in the embodiment of the invention.At first describe the bottom particle outline that scanning pattern obtains, utilize interpolation method to depict the particle outline in top layer and intermediate layer then, keep the smooth transition overlap joint between layer and the layer.Can also can adopt non-homogeneous layering according to the bottom profile of particle and top layer profile even laminating on request, to keep the uniformity with original pattern by the actual pattern requirement.For the pattern of having relatively high expectations, the thickness of each interlayer can obtain with different interpolation dividing methods, to satisfy the demand in the design.For example, for general figure line, can be by the equal thickness layering.For the figure of specific (special) requirements, can be by the non-uniform thickness layering, interlayer of the ends five is every being a times of five layers of top layers.
Draw out N among Fig. 2
1Behind projected outline's polar plot of each particle of layer, the figure combination tool in the utilization software is with N
1Projected outline's polar plot of each particle of layer generates aspect figure.Aspect figure is the lithography process figure of each layer, and systems soft ware can make the desired figure of this aspect figure by lithography at material surface by this figure gated sweep galvanometer.Dermatoglyph on the mould is formed by stacking by each aspect photoetching.
As shown in Figure 2, N2, N3 ..., be each layer cross section contour projection charts respectively.Here each cutting plane figure is referred to as the parting surface layer figure of projected outline, each layer figure is made up of each dermatoglyph particle cross section projected outline.All cutting plane figure are superimposed upon on projected outline's polar plot as the N1 of basic figure successively, have just constituted dermatoglyph D structure figure.
Particle maximum height such as Fig. 3-b are depicted as 0.5mm in the embodiment of the invention.It is divided into shown in Fig. 3-a 20 layers.When even laminating, can at first utilize the interactive profile diagram instrument in the PaintShop, wherein, layer parameter is set to 19, and Fill Color is selected different, calculates generation figure according to projected outline's polar plot of each particle of N1 layer of depicting.Generation figure has comprised the particle projection profile information of 19 aspects.When derive generating figure, can be automatically generation figure and the N1 layer projected outline polar plot drawn out be combined into an integral body, this integral body is called the aspect overall diagram.Each particle outline is shown in Fig. 3-c on the aspect overall diagram.Because the aspect overall diagram is an integral body, to process if be input to laser marking control software with this overall diagram, laser marking machine can not be discerned these layers figure, can't carry out each aspect processing.Therefore, earlier projected outline's polar plot of each particle of N1 layer to be broken up with the generation figure that comprises the nineteen aspect to separate.The fractionation profile diagram instrument of utilization software at first is divided into two patterns that separate with overall diagram with generation figure.Generation figure comprises the information of nineteen aspect, is still an integral body, needs equally this integral body that comprises the nineteen aspect is broken up.To be very difficult with being included in that each layer in the overall diagram layer choose out, because each layer all has complicated overlapping dermatoglyph particle projection profile diagram, so in interactive profile diagram instrument, in generating figure, set the color difference of each layer, when splitting, utilize the color in the software to search selected function like this, the particle of color of the same race is chosen, cliped and pasted in the newly-built figure layer.Can obtain 19 newly-built figure layers with the method.This organizes newly-built figure layer and N
1Layer figure constituted dermatoglyph layer manuscript as shown in Figure 2.For guaranteeing the particle relevance and the integrality of each figure layer, in every layer of figure, determine position coordinates, the origin of same particle is consistent.As shown in Figure 4: Fig. 4-a, Fig. 4-b are respectively the particle outline perspective views of two different figure layers, when being superimposed, keep and former particle position uniformity.Overlay is shown in Fig. 4-c.Handle through this, the control software of laser equipment just can be discerned each layer graphics processing, successively carves.
Fig. 5 is ready-made each layer of dermatoglyph etching and processing figure.The input function of this picture group by laser marking machine once or in batches is input in the laser marking machine machining control software.Before the etching to the setting of laser marking machine technological parameter, etching parameters such as used processing parameter setting electric current, pulse frequency, step-length, processing time-delay in the time of can be with reference to mark machine dies steel.Laser marking machine control software will be filled the dermatoglyph figure, used pad parameter when pad parameter also can be with reference to mark machine dies steel.Have 20 figure layers in the embodiment of the invention, laser marking machine can be finished the processing of this dermatoglyph mould for 20 times by the Layer Order etching.Wherein, the surface that does not begin as yet to process is defined as the beginning machined layer, just primary lithography layer.Through the most of aspect after the photoetching first still is work surface, also will be fallen by layer photoetching successively, so the initial manufacture parameter can be set by roughing, for example selects bigger processing electric current, sweep speed and step-length., by actual process technology requirement preceding which floor photoetching is all handled by the beginning machined layer with this.For the processing of general dermatoglyph, the beginning machined layer is five layers.Middle machined layer is roughing with at last between the transition region between the retrofit superficial layer, is generally ten layers.This processing electric current and step-length can be between roughing and fine finishining.Final Surface Machining layer is the real work face of mould, and surface quality is had relatively high expectations, so will set technological parameter by with nothing left requirement at quarter.By common dermatoglyph processing request, last five layers are decided to be final surface finishes.During roughing, the Laser Processing electric current is generally selected the maximum output current value of process equipment for use, normally more than the 20A.The processing electric current of middle machined layer is generally selected 90% of maximum output current value for use.The processing electric current of final Surface Machining layer is generally selected 80% of maximum output current value for use.The processing step-length is pressed the recommendation of laser marking machine and is set.Step-length is a nondimensional value, the equipment that different manufacturers is produced, and the step-length setting value is different.A common unit step-length is about 0.0035mm.Step-length commonly used is a 3-6 unit.For example adopting average output power is 50 watts laser marking machine, and the roughing technological parameter is that processing electric current is selected 22A for use, and step-length is set 5 units, fills 0.05mm; Middle machined layer: electric current is selected 20A for use, and step-length is set 4 units, fills 0.03mm; The fine surface machined layer: electric current is selected 18A for use, and step-length is set 3 units, fills 0.02mm.
The dermatoglyph Mould Machining schematic diagram of the embodiment of the invention as shown in Figure 6.1. be laser-processing system; 2. be processed dermatoglyph surface; 3. be processed dermatoglyph mould; 4. be positioner, guarantee the correct Working position of mould; 5. and 6. be X-Y direction apparatus for adjusting position, be used for the adjustment of mould initial position; 7. be the laser labelling workbench.In the process, correctly use the figure layer positioning function in the laser marking machine, guarantee that all cut apart the figure layer and can both be positioned at design appointed positions, the conforming etching of dermatoglyph particle.
Leather pattern mould preparation method of the present invention, be a whole three-dimensional dermatoglyph processing mode to be divided into one group carry out the meagre etched process in plane at many levels one by one in batches, so neither need powerful laser equipment, also do not need to dispose the numerical control device that can carry out three-dimensional motion control.This processing method is compared with chemical etching or electric discharge machining method, technology is simple, the process-cycle is short, productivity ratio is high, do not need additionally to make electrode, more do not need to work out any computer program controls the Laser Processing movement locus, and the dermatoglyph of being processed has better third dimension, stereovision effect.Adopt the laser marking machine equipment that mould is carried out etching, its cost is well below the special-purpose laser engraving equipment of those costlinesses, but fineness, microgap stereovision vision and the haptic effect of same accurate crudy and high-grade corium dermatoglyph are arranged.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1. the preparation method of a leather pattern mould is characterized in that, comprises following steps: S1, the leather pattern processing base that utilizes graphic input device to obtain handling for PaintShop are schemed; S2, PaintShop are processed at leather pattern and are generated leather pattern D structure aspect figure on the basic figure; S3, laser marking machine carry out the layering etching according to leather pattern D structure aspect figure to mould, process required leather pattern on mould.
2. the preparation method of leather pattern mould as claimed in claim 1, it is characterized in that, described step S2 comprises following process: at first the processing base figure according to step S1 depicts bottom projected outline particles contained in the leather pattern, depicts the top layer projected outline and the intermediate layer projected outline of particle then.
3. the preparation method of leather pattern mould as claimed in claim 2 is characterized in that, when even laminating, described top layer and intermediate layer projected outline describe and can at first calculate the aspect overall diagram according to bottom projected outline; From the aspect overall diagram, split out generation figure then, again the back projected outline that each layer particle cliped and pasted out in layering from generation figure.
4. the preparation method of leather pattern mould as claimed in claim 3 is characterized in that, described to clip and paste out each layer particle projection profile according to generation figure be that color locating function by described PaintShop is realized.
5. as the preparation method of the arbitrary described leather pattern mould of claim 1 to 4, it is characterized in that, when described step S3 carries out the layering etching, the processing aspect is divided into beginning machined layer, middle machined layer and final Surface Machining layer; Described beginning machined layer requires to carry out according to roughing, and described final Surface Machining layer carries out according to finishing requirements, and described middle machined layer is carried out according to the requirement between roughing and the fine finishining.
6. as the preparation method of the arbitrary described leather pattern mould of claim 1 to 4, it is characterized in that the graphic input device among the described step S1 is a scanner.
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| CN 200610157583 CN101204758B (en) | 2006-12-19 | 2006-12-19 | Producing method of leather pattern mould |
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| CN 200610157583 CN101204758B (en) | 2006-12-19 | 2006-12-19 | Producing method of leather pattern mould |
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| CN101204758B true CN101204758B (en) | 2010-11-17 |
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| CN102059720B (en) * | 2010-11-25 | 2012-07-25 | 重庆大学 | Numerical control surging and punching method |
| CN102423831B (en) * | 2011-12-15 | 2014-08-06 | 深圳市海目星激光科技有限公司 | Mould cavity curved surface texture etching method and device |
| KR101470175B1 (en) * | 2013-06-26 | 2014-12-08 | 현대자동차주식회사 | Method for laser cutting for appearance of mold |
| CN103753145A (en) * | 2014-01-20 | 2014-04-30 | 华侨大学 | Method for manufacturing small molds |
| CN104552678B (en) * | 2014-12-29 | 2017-07-28 | 模德模具(东莞)有限公司 | A kind of manufacture craft of injection mold suture line texture |
| CN105984264A (en) * | 2015-02-13 | 2016-10-05 | 汉达精密电子(昆山)有限公司 | Manufacture method of three-dimensional colorful pattern and product manufactured by manufacture method |
| CN105689897A (en) * | 2016-03-31 | 2016-06-22 | 中国科学院西安光学精密机械研究所 | Laser marking rapid precise machining device and method |
| CN108031981A (en) * | 2017-12-18 | 2018-05-15 | 中国科学院西安光学精密机械研究所 | A kind of laser etching method and device for curved-surface structure shaping |
| CN109514089B (en) * | 2018-11-22 | 2020-06-12 | 莆田市雷腾激光数控设备有限公司 | Food pattern laser engraving forming method and device |
| CN110279206A (en) * | 2019-06-28 | 2019-09-27 | 沐迪(北京)珠宝有限公司 | Nanometer microscopic carvings jewelry and its preparation method and application |
| US20210086411A1 (en) * | 2019-09-24 | 2021-03-25 | GM Global Technology Operations LLC | Interior trim panel for a vehicle and method of forming same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5138130A (en) * | 1990-02-07 | 1992-08-11 | National Research Council Of Canada | Laser rough and finish machining of hard materials |
| CN1380159A (en) * | 2001-08-24 | 2002-11-20 | 上海市激光技术研究所 | Method for marking on intravital crusta of animals by laser and its equipment |
| CN1706659A (en) * | 2004-06-08 | 2005-12-14 | 中国印钞造币总公司 | Method of making microimage on coin and souvenir badge |
| CN1861394A (en) * | 2006-03-30 | 2006-11-15 | 上海市激光技术研究所 | Method for making moving-sensing picture-elements holographic maste mask pattern with multiple coding encrypting |
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2006
- 2006-12-19 CN CN 200610157583 patent/CN101204758B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5138130A (en) * | 1990-02-07 | 1992-08-11 | National Research Council Of Canada | Laser rough and finish machining of hard materials |
| CN1380159A (en) * | 2001-08-24 | 2002-11-20 | 上海市激光技术研究所 | Method for marking on intravital crusta of animals by laser and its equipment |
| CN1706659A (en) * | 2004-06-08 | 2005-12-14 | 中国印钞造币总公司 | Method of making microimage on coin and souvenir badge |
| CN1861394A (en) * | 2006-03-30 | 2006-11-15 | 上海市激光技术研究所 | Method for making moving-sensing picture-elements holographic maste mask pattern with multiple coding encrypting |
Non-Patent Citations (1)
| Title |
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| JP特开2000-334584A 2000.12.05 |
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