CN205763414U - Laser assisted punching press high intensity and the device of lightweight parts - Google Patents

Laser assisted punching press high intensity and the device of lightweight parts Download PDF

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Publication number
CN205763414U
CN205763414U CN201620493672.5U CN201620493672U CN205763414U CN 205763414 U CN205763414 U CN 205763414U CN 201620493672 U CN201620493672 U CN 201620493672U CN 205763414 U CN205763414 U CN 205763414U
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China
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laser
intensity
sheet metal
former
punching press
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CN201620493672.5U
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Chinese (zh)
Inventor
李国强
单铭贤
黎伟华
陈伟伦
顾溢泉
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Hong Kong Productivity Council
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Hong Kong Productivity Council
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Abstract

This utility model provides a kind of laser assisted punching press high intensity and the device of lightweight parts, including former, laser beam emitting device and laser guide, described laser beam emitting device connects laser guide, and described laser guide is arranged at the top of described former.In the middle of on sheet-metal forming processing line, combine laser heating device, before sheet metal will start Sheet Metal Forming Technology, the heating of laser rapid irradiance is used to need the region carrying out large deformation, and then improve the fluid ability in this region, use conventional punch mode molded parts the most again, shape the geometric properties of complexity whereby, promote the fineness of shear surface, reduce stamping press and extend die life.Described conventional punch mode includes deep-draw, bending, punching and embossing.

Description

Laser assisted punching press high intensity and the device of lightweight parts
Technical field
This utility model relates to a kind of laser assisted punching press high intensity and the device of lightweight parts.
Background technology
Based on modern people, the demand of lightweight parts is rised appreciably.Light-weight design has obtained the attention of each big industrial circle, such as industries such as automobile, consumption electronic product, medical device, household appliances.For production technology, metal forming technology can manufacture the parts with good mechanical properties and surface smoothness, and manufacture process can realize low material consumption and high yield etc., and these advantages are that the such as die casting of other manufacturing process, conventional metals machining and powder injection forming etc. are inaccessiable.
Application light alloy material is to realize one of light-weighted method of product.Compared with general steel, use aluminium can reduce the weight of 30%-50%, and magnesium material can reduce 40%-70%.In addition to using light alloy material, use high strength steel also can realize product lightweight.In the case of ensureing that product has identical rigidity, the intensity of material is the highest, and material requested consumption just can reduce, and therefore can reduce pts wt.But due to its high mechanical properties when using this kind of manufacture of materials part, the significant increase shaping load of meeting, it is therefore desirable to large-scale punch press produces.And, the increase of shaping load can further speed up die wear, shortens mould fatigue life, ultimately results in production cost and rise.Meanwhile, at normal temperatures, this kind of material is typically formed ability, and easily rupturing in large deformation region, which limits the geometry of formation of parts.
Although such as can be shaped in conjunction with multi-step process now, after annealing, reshape and manufacture complex-shaped part, but forming period is long, be unfavorable for producing.Although conventional high-temperature forming technology can improve the crystallized ability of material and reduce shaping load, but this method can cause the poor surface quality of formation of parts, geometry inaccuracy, and longer production cycle.It addition, when shaping accessory size and reducing, owing to workpiece volume diminishes with its area ratio, the forming temperature of workpiece is not easy to control, temperature can in workpiece transports on the way rapid decrease, therefore, it is difficult to get a desired effect.
Utility model content
Because the punch press etc. that used of current worldwide production part equipment is new and old differs, it would be highly desirable to a kind of do not change existing equipment but the method for production can be improved and occur.This utility model provides laser assisted punching press high intensity and the device of lightweight parts, and it uses laser to give to need to occur large deformation or the high material area of liquidity to irradiate and heat.In the common process for stamping and forming such as deep-draw, bending, punching, embossing, the material temperature changing large deformation region can directly change its forming property, reaches to be prone to the purpose of processing.In addition laser itself have that firing rate is fast, temperature and energy hole accurately, the medium advantage of heating region collection, produce high intensity hence with laser assisted stamping technology and lightweight parts can well be broken through tradition and add the limitation of temperature technique.
This utility model discloses a kind of laser assisted punching press high intensity and the device of lightweight parts, including former, also including laser beam emitting device and laser guide, described laser beam emitting device connects laser guide, and described laser guide is arranged at the top of described former.
Also include laser protection, be arranged at the lower section of described laser guide.
Described laser protection is V-Bottom plate, and described V-Bottom plate is arranged at the heating station of former.
Described former is punch press.
This utility model has advantages in that
This utility model combines LASER HEATING on metal punching processing line, and before metal material will start Sheet Metal Forming Technology, using laser rapid irradiance to heat needs to carry out the region of large deformation, improves the fluid ability in this region.Contrast tradition room temperature metal punching method, this utility model utilizes laser heating process that the deformation load in forming process can be made to reduce (up to 70%), simplifies parts forming step, improves production capacity and die life.Using laser assisted in punching technology, can increase high brightness shear surface area, the smooth degree making stamping is similar to precision stamping.Contrasting traditional full wafer panel beating to heat process for stamping, this utility model utilizes laser can realize local warming, and this can reduce workpiece size change and prevent workpiece from producing large area oxidation.Additionally, metal blank directly absorbs energy, whole process cycle can be shortened.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that in this utility model, panel beating is irradiated with a laser.
Fig. 2 is the schematic diagram in this utility model after panel beating feeding shaping dies.
Fig. 3 is the schematic diagram after completing Sheet Metal Forming Technology in this utility model.
Fig. 4 is the schematic diagram of integral device structure.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be better understood from this utility model and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
This utility model provides a kind of laser assisted punching press high intensity and the device of lightweight parts, this device is specially during for producing high intensity and lightweight parts, use laser that sheet metal is heated, use conventional punch mode to carry out the various forming technologies such as deep-draw, bending, punching, embossing the most again.Utilize this device can control metal material flowing in punching course, promote production capacity, produce the brightest and the cleanest Metal Cutting face, and more save the energy relative to conventional thermal Sheet Metal Forming Technology.The process equipments such as punch press only need to be compared less stamping press under heating without lasing light emitter and i.e. can be shaped by parts.Fig. 1 to Fig. 3 is for illustrating laser assisted punch process, and the method during operation of this device specifically includes following two step:
Step one: the process of heating sheet metal:
As it is shown in figure 1, described sheet metal 1 is typically chosen in simple metal material or alloy material.First described sheet metal 1 is transported to the heating station of former.Heating station needs to ensure that laser does not leaks, and ensures that heating station is enough near with the distance of forming station, after the sheet metal after heating the most just can be made to be transported to forming station, still has enough temperature to keep its material behavior.Laser beam emitting device 2 accepts the information from controller, this information includes the laser scanning speed of employing, emissive porwer, scan cycle number of times, scanning pattern etc., heating region 3 is formed on sheet metal 1, this heating region 3 is that sheet metal 1 will carry out the position of 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, uses the lasing light emitter of 4000W, and irradiation speed is 2000mm/s, scan cycle 100 times.
Step 2: sheet-metal forming process:
As in figure 2 it is shown, the sheet metal 1 after Jia Re is transported to the forming station of former, sheet metal 1 is made to be between upper mold 4 and lower mold 5.In forming process, upper mold 4 or lower mold 5 one of them is fixed, and another part mould moves toward sheet metal 1 direction, collides with sheet metal 1, and then makes the heating region 3 of sheet metal 1 be deformed.Punching hole diameter is 17mm in this example, and drawing velocity is 1 minute 65 times.It is illustrated in figure 3 the state of parts punching, after punching, produces the waste material 6 departed from sheet metal 1.With laser assisted punching, the fineness of the shear surface of part can be improved, and lower plastic force.
What this utility model provided utilizes laser assisted punching press high intensity and the device of lightweight parts, as shown in Figure 4, including former 7, laser beam emitting device and laser guide 8.Needing to use thicker sheet metal 1 and higher forming temperature owing to producing high intensity part, therefore need to use high intensity laser beam, output is generally higher than 500W.The installation site of laser beam emitting device needs to ensure the safety of producers with mode, it is to avoid human body is caused directly injury by scattering laser, and therefore sheet metal 1 and laser emitting region need to surround an airtight space.For shortening the distance between heating station and forming station as far as possible; ensure that sheet metal 1 thermal loss after LASER HEATING is minimum; the utility model proposes employing laser guide 8; and utilize optical frames (belonging to a part for laser guide) reflection laser to the heating region 3 formulated; and combine laser protection 10, form the preparation facilities of complete set with this.Mould (including mold 4 and lower mold 5) is constant with conventional punch apparatus structure with the disposing way of former 7.This utility model difference with the prior art 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 mold 5) side, after thus material is irradiated by laser beam 9 in laser guide, i.e. can be sent directly into punch press and form, and reduces thermal energy loss to greatest extent.Described laser guide 8 accepts the laser that laser beam emitting device produces, and then laser beam 9 projects on sheet metal 1.The THICKNESS CONTROL of sheet metal 1 is within 5mm.Arranging laser protection below sheet metal 1, it can be V-Bottom plate 10, and material is low-carbon (LC) metal.The direction of V-shaped part is towards the motion vertical direction of sheet metal; depending on specific size is according to concrete laser aiming equipment; but it must be ensured that the zone of action that the projected area of this structure is maximum allowable more than or equal to laser, it is ensured that all of laser irradiate all in v-shaped structure scope thus ensure protective value.
Embodiment described above is only the preferred embodiment lifted by absolutely proving this utility model, and protection domain of the present utility model is not limited to this.The equivalent that those skilled in the art are made on the basis of this utility model substitutes or conversion, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.

Claims (4)

1. a laser assisted punching press high intensity and the device of lightweight parts, including former, it is characterised in that also include laser beam emitting device and laser guide, described laser beam emitting device connects laser guide, and described laser guide is arranged at the top of described former.
Laser assisted punching press high intensity the most according to claim 1 and the device of lightweight parts, it is characterised in that also include laser protection, be arranged at the lower section of described laser guide.
Laser assisted punching press high intensity the most according to claim 2 and the device of lightweight parts, it is characterised in that described laser protection is V-Bottom plate, described V-Bottom plate is arranged at the heating station of former.
Laser assisted punching press high intensity the most according to claim 1 and the device of lightweight parts, it is characterised in that described former is punch press.
CN201620493672.5U 2016-05-27 2016-05-27 Laser assisted punching press high intensity and the device of lightweight parts Active CN205763414U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620493672.5U CN205763414U (en) 2016-05-27 2016-05-27 Laser assisted punching press high intensity and the device of lightweight parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620493672.5U CN205763414U (en) 2016-05-27 2016-05-27 Laser assisted punching press high intensity and the device of lightweight parts

Publications (1)

Publication Number Publication Date
CN205763414U true CN205763414U (en) 2016-12-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107433301A (en) * 2016-05-27 2017-12-05 香港生产力促进局 The method and device of laser assisted punching press high intensity and lightweight parts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107433301A (en) * 2016-05-27 2017-12-05 香港生产力促进局 The method and device of laser assisted punching press high intensity and lightweight parts

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