CN107433301A - The method and device of laser assisted punching press high intensity and lightweight parts - Google Patents
The method and device of laser assisted punching press high intensity and lightweight parts Download PDFInfo
- Publication number
- CN107433301A CN107433301A CN201610359174.6A CN201610359174A CN107433301A CN 107433301 A CN107433301 A CN 107433301A CN 201610359174 A CN201610359174 A CN 201610359174A CN 107433301 A CN107433301 A CN 107433301A
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- Prior art keywords
- laser
- sheet metal
- high intensity
- punching press
- parts
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000004080 punching Methods 0.000 title claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 56
- 239000002184 metal Substances 0.000 claims abstract description 56
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000005516 engineering process Methods 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 claims abstract description 5
- 238000004049 embossing Methods 0.000 claims abstract description 5
- 238000004093 laser heating Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910001234 light alloy Inorganic materials 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention provides a kind of laser assisted punching press high intensity and the method and device of lightweight parts.It is central that laser heating device is combined on sheet-metal forming processing line, sheet metal will start before Sheet Metal Forming Technology, need to carry out the region of large deformation using the heating of laser rapid irradiance, and then improve the fluid ability in this region, then conventional punch mode molded parts are used again, the geometric properties of complexity are shaped whereby, lift the finish of shear surface, are reduced stamping press and are extended die life.The conventional punch mode includes deep-draw, bending, punching and embossing.
Description
Technical field
The present invention relates to a kind of laser assisted punching press high intensity and the method and device of lightweight parts.
Background technology
The demand of lightweight parts is rised appreciably based on modern people.Light-weight design has obtained the attention of major industrial circle, such as automobile, consumption electronic product, medical equipment, household appliances industry.For production technology, metal forming technology can manufacture the parts with good mechanical properties and surface smoothness, and manufacturing process can realize low material consumption and high yield etc., and these advantages are that other manufacturing process such as die casting, conventional metals machining and powder injection forming etc. are inaccessiable.
It is to realize one of light-weighted method of product using light alloy material.Compared with general steel, 30%-50% weight can be reduced using aluminium, and magnesium material can reduce 40%-70%.In addition to using light alloy material, product lightweight can be also realized using high strength steel.In the case of ensureing that product possesses identical rigidity, the intensity of material is higher, and material requested dosage can be reduced, therefore can reduce pts wt.But due to its high mechanical properties, the significant increase shaping load of meeting, it is therefore desirable to which large-scale punch press is produced when using this kind of material manufactured parts.Moreover, the increase of shaping load can further speed up die wear, shorten mould fatigue life, ultimately result in production cost rising.Meanwhile at normal temperatures, this kind of material is typically formed ability, large deformation region is easily broken, and which limits the geometry of formation of parts.
Although can be such as shaped with reference to multi-step process now, after annealing, reshape to manufacture complex-shaped part, forming period length, be unfavorable for producing.Although conventional high-temperature forming technology can improve the crystallized ability of material and reduce shaping load, this method can cause the poor surface quality of formation of parts, and geometry is inaccurate, and the longer production cycle.In addition, when shape accessory size reduce when, because workpiece volume and its area ratio diminish, the forming temperature of workpiece is not easy to control, temperature can workpiece transport way in rapid decrease, therefore, it is difficult to get a desired effect.
The content of the invention
Equipment is new and old differs for punch press etc. used by view of current worldwide production part, it would be highly desirable to which a kind of method for not changing existing equipment but can improving production occurs.The present invention provides the method and device of laser assisted punching press high intensity and lightweight parts, and it, which uses laser to give, will need to occur large deformation or the high material area of liquidity irradiates heating.In the common process for stamping and forming such as deep-draw, bending, punching, embossing, its forming property can directly be changed by changing the material temperature in large deformation region, reach purpose easy to process.In addition laser has the advantages that firing rate fast, temperature and energy hole be accurate, heating region is concentrated in itself, therefore produces high intensity using laser assisted stamping technology and lightweight parts can be very good to break through the limitation of traditional heating technology.
The present invention discloses a kind of laser assisted punching press high intensity and the method for lightweight parts, and sheet metal is heated first by laser, then completes the forming technology of parts using conventional punch mode again.
The conventional punch mode includes deep-draw, bending, punching and embossing.
Methods described specifically includes following two steps：
Step 1：Heat sheet metal process：
Sheet metal is transported to the heating station of former, and laser beam emitting device sends laser and irradiates sheet metal, in forming heating region on sheet metal；
Step 2：Sheet-metal forming process：
Sheet metal after heating is transported to the forming station of former, and mould collides with sheet metal, and then is deformed the heating region of sheet metal, molded parts.
The present invention also provides the device of a kind of laser assisted punching press high intensity and lightweight parts, including former, also include laser beam emitting device and laser guide, the laser beam emitting device connects laser guide, and the laser guide is arranged at the top of the former.
Also include laser protection, be arranged at the lower section of the laser guide.
The laser protection is V-Bottom plate, and the V-Bottom plate is arranged at the heating station of former.
The former is punch press.
Present invention has the advantage that：
The present invention combines laser on metal punching processing line and heated, and before metal material will start Sheet Metal Forming Technology, needs to carry out the region of large deformation using the heating of laser rapid irradiance, improves the fluid ability in this region.Traditional room temperature metal punching method is contrasted, the present invention can reduce the deformation load in forming process using laser heating process（Up to 70%）, simplify parts forming step, improve production capacity and die life.Laser assisted is used in punching technology, high brightness shear surface area can be increased, makes the smooth degree of stamping similar to precision stamping.Traditional full wafer metal plate heating process for stamping is contrasted, the present invention can realize local warming using laser, and this can reduce workpiece size change and prevent workpiece from producing large area oxidation.In addition, metal blank directly absorbs energy, whole process cycle can be shortened.
Brief description of the drawings
Fig. 1 is the schematic diagram that metal plate is irradiated with a laser in the present invention.
Fig. 2 is the schematic diagram that metal plate is sent into after shaping dies in the present invention.
Fig. 3 is that the schematic diagram after Sheet Metal Forming Technology is completed in the present invention.
Fig. 4 is the schematic diagram of integral device structure.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Present invention offer is a kind of to produce high intensity and the method and device of lightweight parts using laser assisted stamping technology, this method is specially during for production high intensity and lightweight parts, sheet metal is heated using laser, the various forming technologies such as deep-draw, bending, punching, embossing are then carried out using conventional punch mode again.This method can control metal material in punching course to flow, and lift production capacity, produce more bright and clean Metal Cutting face, and more save the energy relative to traditional drop stamping technique.The process equipments such as punch press, which need to only compare stamping press smaller under no lasing light emitter heating, to shape parts.Fig. 1 to Fig. 3 specifically includes following two steps to illustrate laser assisted punch process：
Step 1：Heat the process of sheet metal：
As shown in figure 1, the sheet metal 1 is typically chosen in simple metal material or alloy material.The sheet metal 1 is transported to the heating station of former first.Heating station needs to ensure that laser does not leak, and ensures that the distance of heating station and forming station is near enough, after could so causing the sheet metal after heating to be transported to forming station, still has enough temperature to keep its material property.Laser beam emitting device 2 receives the information from controller, laser scanning speed of the information including use, emissive porwer, scan cycle number, scanning pattern etc., in formation heating region 3 on sheet metal 1, the heating region 3 is the position that sheet metal 1 will carry out large deformation, to improve the deformability of this region material.The sheet metal used in the present embodiment is high strength steel QSTE500TM, and sheet metal thickness is 2.5mm, and using 4000W lasing light emitter, irradiation speed is 2000mm/s, scan cycle 100 times.
Step 2：Sheet-metal forming process：
As shown in Fig. 2 the sheet metal 1 after heating is transported to the forming station of former, sheet metal 1 is set to be between upper mould 4 and lower mould 5.Upper one of mould 4 or lower mould 5 are fixed in forming process, and another part mould moves toward the direction of sheet metal 1, is collided with sheet metal 1, and then be deformed the heating region 3 of sheet metal 1.Punching hole diameter is 17mm in this example, and drawing velocity is 1 minute 65 times.The state for completing parts punching is illustrated in figure 3, the waste material 6 departed from sheet metal 1 is produced after punching.With laser assisted punching, the finish of the shear surface of part can be improved, and lowers plastic force.
The present invention also provides a kind of device that high intensity and lightweight parts are produced using laser assisted stamping technology.As shown in figure 4, including former 7, laser beam emitting device and laser guide 8.Because production high intensity part needs to use thicker sheet metal 1 and higher forming temperature, therefore high intensity laser beam need to be used, power output is generally higher than 500W.The installation site of laser beam emitting device needs to ensure the security of producers with mode, avoids scattering laser from causing directly to injure to human body, therefore sheet metal 1 needs to surround a closed space with laser emitting region.To shorten the distance between heating station and forming station as far as possible, ensure that the thermal loss of sheet metal 1 after laser heating is minimum, the present invention is proposed using laser guide 8, and utilizes optical frames（Belong to a part for laser guide）Reflection laser combines laser protection 10 to the heating region 3 formulated, and the preparation facilities of complete set is formed with this.The disposing way and conventional punch apparatus structure of mould (including mold 4 and lower mould 5) and former 7 are constant.Difference with the prior art of the present invention is to introduce laser beam emitting device and laser guide 8.Laser guide is fixed on former 7, is placed in mould（Mould 4 and lower mould 5）Side, after thus material is irradiated in laser guide by laser beam 9, you can be formed with being sent directly into punch press, reduce thermal energy loss to greatest extent.The laser guide 8 receives laser caused by laser beam emitting device, and then laser beam 9 is projected on sheet metal 1.The thickness control of sheet metal 1 is within 5mm.The lower section of sheet metal 1 sets laser protection, and it can be V-Bottom plate 10, and material is low-carbon metal.The direction of V-shaped part is towards the motion vertical direction of sheet metal; specific size is depending on specific laser aiming equipment; but it must be ensured that the projected area of this structure is more than or equal to the maximum allowable zone of action of laser, ensure that all laser is irradiated all in v-shaped structure scope so as to ensure protective value.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection scope of the present invention not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, within protection scope of the present invention.Protection scope of the present invention is defined by claims.
Claims (7)
1. a kind of method of laser assisted punching press high intensity and lightweight parts, it is characterised in that heated first by laser to sheet metal, then complete the forming technology of parts using conventional punch mode again.
2. the method for laser assisted punching press high intensity according to claim 1 and lightweight parts, it is characterised in that the conventional punch mode includes deep-draw, bending, punching and embossing.
3. the method for laser assisted punching press high intensity according to claim 1 and lightweight parts, it is characterised in that methods described specifically includes following two steps：
Step 1：Heat sheet metal process：
Sheet metal is transported to the heating station of former, and laser beam emitting device sends laser and irradiates sheet metal, in forming heating region on sheet metal；
Step 2：Sheet-metal forming process：
Sheet metal after heating is transported to the forming station of former, and mould collides with sheet metal, and then is deformed the heating region of sheet metal, molded parts.
A kind of 4. device of laser assisted punching press high intensity and lightweight parts, including former, it is characterised in that also including laser beam emitting device and laser guide, the laser beam emitting device connects laser guide, and the laser guide is arranged at the top of the former.
5. the device of laser assisted punching press high intensity according to claim 4 and lightweight parts, it is characterised in that also including laser protection, be arranged at the lower section of the laser guide.
6. the device of laser assisted punching press high intensity according to claim 5 and lightweight parts, it is characterised in that the laser protection is V-Bottom plate, and the V-Bottom plate is arranged at the heating station of former.
7. the device of laser assisted punching press high intensity according to claim 4 and lightweight parts, it is characterised in that the former is punch press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610359174.6A CN107433301A (en) | 2016-05-27 | 2016-05-27 | The method and device of laser assisted punching press high intensity and lightweight parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610359174.6A CN107433301A (en) | 2016-05-27 | 2016-05-27 | The method and device of laser assisted punching press high intensity and lightweight parts |
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| Publication Number | Publication Date |
|---|---|
| CN107433301A true CN107433301A (en) | 2017-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610359174.6A Pending CN107433301A (en) | 2016-05-27 | 2016-05-27 | The method and device of laser assisted punching press high intensity and lightweight parts |
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| Country | Link |
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| CN (1) | CN107433301A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769361A (en) * | 2022-04-28 | 2022-07-22 | 同方江新造船有限公司 | Laser heat energy correction method applied to high-strength aluminum alloy material for ship |
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| JPH0538522A (en) * | 1991-08-05 | 1993-02-19 | Amada Co Ltd | Combined forming method and this apparatus |
| EP1036644A1 (en) * | 1999-03-16 | 2000-09-20 | Emerson Electric Co. | Method and apparatus for deforming a thermoplastic projection using laser energy |
| CN101177236A (en) * | 2007-10-26 | 2008-05-14 | 江苏大学 | Auxiliary heating micro-device bending forming method and device based on laser |
| CN103551438A (en) * | 2013-09-28 | 2014-02-05 | 哈尔滨工业大学（威海） | High-strength plate laser heating processing method for thermal forming |
| CN104199253A (en) * | 2014-09-10 | 2014-12-10 | 苏州大学 | Nanoimprinting method and device of array type micro-structure |
| JP2015054325A (en) * | 2013-09-10 | 2015-03-23 | 株式会社アマダ | Flexure processing method for metal plate material and laser processing device used for the flexure processing method |
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| CN104959461A (en) * | 2015-05-25 | 2015-10-07 | 上海交通大学 | Laser assisted heating tool |
| CN105033513A (en) * | 2015-06-25 | 2015-11-11 | 大连理工大学 | Auxiliary stamping forming method with welding technique locally modified |
| CN105210220A (en) * | 2013-05-22 | 2015-12-30 | 日产自动车株式会社 | Forming device for metal separator and forming method for same |
| CN205763414U (en) * | 2016-05-27 | 2016-12-07 | 香港生产力促进局 | Laser assisted punching press high intensity and the device of lightweight parts |
-
2016
- 2016-05-27 CN CN201610359174.6A patent/CN107433301A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0538522A (en) * | 1991-08-05 | 1993-02-19 | Amada Co Ltd | Combined forming method and this apparatus |
| EP1036644A1 (en) * | 1999-03-16 | 2000-09-20 | Emerson Electric Co. | Method and apparatus for deforming a thermoplastic projection using laser energy |
| CN101177236A (en) * | 2007-10-26 | 2008-05-14 | 江苏大学 | Auxiliary heating micro-device bending forming method and device based on laser |
| CN105210220A (en) * | 2013-05-22 | 2015-12-30 | 日产自动车株式会社 | Forming device for metal separator and forming method for same |
| JP2015054325A (en) * | 2013-09-10 | 2015-03-23 | 株式会社アマダ | Flexure processing method for metal plate material and laser processing device used for the flexure processing method |
| CN103551438A (en) * | 2013-09-28 | 2014-02-05 | 哈尔滨工业大学（威海） | High-strength plate laser heating processing method for thermal forming |
| CN104199253A (en) * | 2014-09-10 | 2014-12-10 | 苏州大学 | Nanoimprinting method and device of array type micro-structure |
| CN204412817U (en) * | 2015-01-09 | 2015-06-24 | 湖北龙星钢构有限公司 | A kind of gag press with point-like heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114769361A (en) * | 2022-04-28 | 2022-07-22 | 同方江新造船有限公司 | Laser heat energy correction method applied to high-strength aluminum alloy material for ship |
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