CN106077218A - A kind of devices and methods therefor of laser flexible loading and shaping high accuracy dish part - Google Patents
A kind of devices and methods therefor of laser flexible loading and shaping high accuracy dish part Download PDFInfo
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- CN106077218A CN106077218A CN201610384092.7A CN201610384092A CN106077218A CN 106077218 A CN106077218 A CN 106077218A CN 201610384092 A CN201610384092 A CN 201610384092A CN 106077218 A CN106077218 A CN 106077218A
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- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/10—Stamping using yieldable or resilient pads
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
-
- 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
- B21D37/08—Dies with different parts for several steps in a process
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention belongs to device and the method for a kind of laser flexible loading and shaping high accuracy dish part of machine-building micro-part research field, produce system, dish shape piece formation system, dish shape piece control system and laser facula alignment system including pulse laser；Compared with prior art, the present invention is based on laser flexible dynamic load load, completing the manufacturing process of high accuracy dish part, this method process need not manufacture punch, solves needing in conventional fabrication process and designs complicated compound die and the problem of progressive die；Mould detachable, it is achieved that shape effective removing of waste material, solve the problem shaping blocking of waste materials mould, extend the mold use life-span；Utilize collected by camera view data that mould and pulse laser are positioned, solve the error problem that making detects by an unaided eye brings, improve the production precision of dish part, be manufactured that the dish-shaped part with degree of precision.
Description
Technical field
The invention belongs to the micro-part field of the advanced manufacture of machinery, especially in laser flexible loading and shaping micro-part field
The device of a kind of laser flexible loading and shaping high accuracy dish part and method.
Background technology
In recent years, along with the development of industrial technology, the industry that is miniaturizated to of product manufactures the important trend of development.Therewith
The manufacture of relevant micro-part also becomes more and more important, and corresponding microsecond delay technology grows up the most therewith.Micro-stamping-out and micro-
Drawing is as novel moulding processing technique, more and more interested to researchers.But, at present for microsecond delay research only
It is limited to simple part, pertains only to single processing technique, then study less for relating to the complex parts of kinds of processes.
The manufacturing of high accuracy dish part needs to relate to multiple processing technique, including micro-drawing, micro-stamping-out, Yi Jiwei
Blanking.In traditional manufacturing technology, process such part and mainly realized by three kinds of processing modes:
The first processing mode, is processed in three steps.First drawing and forming, rear punching, finally realize blanking, quite
Trimming reforming process after drawing and forming.The shortcoming of this mode is: relate to multiple clamping, there is Clamped Positioning Error, essence
It is poor to spend, and processing is the longest, and production efficiency is relatively low, is only applicable to the part that small lot requirement on machining accuracy is the highest.So criticizing
During amount produces, typically will not use such processing mode.
The second processing mode, utilizes progressive die to be processed.The Chinese patent of Application No. 201310734972.9
Proposing a kind of multi-station progressive die for processing micromachine, its design content is included in the punch of part of the lower die, upper
Release the resilient thrusting member device of product, stripper, fixed plate in the die of mould part, die and be arranged at described fixed plate and unload
Inner guiding post between flitch.Structure involved by this mold is complex, and the processing mode of this progressive die can produce
Step pitch position error and punch and matrix are processed and rigging error, cause the axiality of part to be extremely difficult to requirement.At moving process
In, owing to accessory size is small, micro-deformation can be produced, affect machining accuracy, resetting can affect working (machining) efficiency, fixture
Use the manufacturing cost that also can increase part.
The third processing mode, utilizes composite die to be processed.Pei Yuzi et al. is in " electric machining and mould " magazine
In the paper " design of dish shape piece micro-stamping-out punching-pressing composite mould " delivered, have devised a set of can manufacture high accuracy dish part
Composite die, the part such as including drawing die, drawing punch-die, piercing punch, blanking die, and then realize first drawing and become
Shape, then punching, finally complete blanking.Although this processing mode decreases the error brought in the course of processing due to clamping, but
Be the centering between punch and die complex and be not easy to ensure precision.Additionally, the structure constituting mould is more complicated, extend
Manufacturing cycle also adds manufacturing cost, and the most this processing mode there is also many inconvenience and problem.
Summary of the invention
It is an object of the invention to provide a kind of based on laser flexible loading and shaping high accuracy dish part for the problems referred to above
Device and method, without designing baroque progressive die and composite die, there is not rigging error in the present invention, reduce
Manufacture cost and cycle of complicated die；Utilize pulse laser and fexible film as loaded load, utilize degree of precision
Mould ensures the axiality requirement of high accuracy dish part；Mould detachable, it is achieved that shape effective removing of waste material, solve
Determine and shaped the problem of blocking of waste materials mould, extended the mold use life-span；Utilize collected by camera view data to mould and
Pulse laser positions, and solves the error problem that making detects by an unaided eye brings, and improves the production precision of dish part.
The technical scheme is that the device of a kind of laser flexible loading and shaping high accuracy dish part, including pulse
Laser generation system, dish shape piece formation system and dish shape piece control system；
Described pulse laser produces system and includes the first retainer being removably mounted on fixing hole system pedestal, is arranged on
The plane mirror of the first retainer and focusing lens, and pulse laser；Described pulse laser is put down light direct beam to described
On the reflecting mirror of face, described plane mirror is in the surface of focusing lens, and reflects light on focusing lens；
Described dish shape piece formation system is arranged on the lower section of described focusing lens；Described dish shape piece formation system includes blanking power
Control folder, technology arrangement mechanism, mould and three coordinate mobile platforms；Described technology arrangement mechanism includes being sequentially overlapped from top to bottom
Transparent restraint layer, pitch-dark absorbed layer, fexible film and sheet metal；Described blanking power controls to press from both sides in " returning " font, and centre is
Square fourth hole, described blanking power controls folder and is entirely pressed on transparent restraint layer；Described mould for can assemble, multiplexing
Skill shaping dies；
Described technology arrangement mechanism lies in a horizontal plane on mould, and described mould is detachable with three coordinate mobile platforms of lower section
Connecting, described three coordinate mobile platforms are fixed by screws in fixing hole system impact faces；
Described dish shape piece control system includes pulse laser controller, industrial computer and servo control system；Institute
The one end stating pulse laser controller electrically connects with pulse laser, and the other end electrically connects with industrial computer, pulse laser control
Device processed is for controlling power density and the impulse ejection frequency of pulse laser；One end of described servo control system and work
Industry computer electrically connects, the other end and the electrical connection of three coordinate mobile platforms；Industrial computer is controlled by pulse laser controller
The work of pulse laser, industrial computer controls the movement of three coordinate mobile platforms by servo control system.
In such scheme, described mould includes micro-drawing punching combination die and micro-blanking die；Described micro-drawing punching group
Matched moulds profile is be incremented by from top to bottom stepped, and the top of micro-drawing punching combination die is that micro-drawing processes, and at micro-drawing is
Shallow recessing, shallow drawing sphere, is provided with the first through hole bottom the sphere of described micro-drawing punching combination die；The profile of described micro-blanking die in
The font of falling T, the middle part of micro-blanking die is provided with the second through hole, described micro-drawing punching combination die be arranged in the second through hole and
Interference fits, micro-upper surface of drawing punching combination die and the upper surface of micro-blanking die are maintained in same level.
In such scheme, described dish shape piece formation system also includes garbage collector；Described garbage collector is cuboid
Block, described garbage collector is placed on the underface of mould, mould and garbage collector and is moved by hex screw and three coordinates
Platform is connected；Third through-hole, the position of described third through-hole and first it is provided with at the center position of described garbage collector
Through hole is corresponding.
In such scheme, also include laser facula alignment system；Described laser facula alignment system include high accuracy camera,
Lighting source, the second retainer, data message card and laser facula collection apparatus paper；The bottom of described second retainer passes through six
Corner bolt is arranged on fixing hole system pedestal and is positioned at the left side of mould；Described camera is arranged on the second retainer；Described photograph
Source, Mingguang City uses the polishing mode of vertical irradiation to be arranged on the lower section of camera；One end of described data message card is electrically connected with camera
Connecing, the other end electrically connects with industrial computer；Described data message card is for gathering the image of camera shooting, and is sent to industry
Computer carries out image procossing.
In such scheme, described transparent restraint layer is that acrylic board is made.
In such scheme, described fexible film is rubber film.
In such scheme, described fexible film single is uniformly coated pitch-dark as pitch-dark absorbed layer, flexible thin
Film scribbles pitch-dark surface to carry out sealing holding gapless by water with transparent restraint layer, is not coated with pitch-dark surface and shapes gold
Metal thin plate contacts.
In such scheme, the first retainer is the retainer that can carry out three-dimensional adjustment, described first cross bar and the second cross bar
It is connected with montant sliding pair respectively and described first cross bar and the second cross bar can rotate around montant respectively.
A kind of method according to described device loading and shaping high accuracy dish part, specifically includes following steps:
S1, data message card is electrically connected with camera and industrial computer respectively, by pulse laser controller respectively with arteries and veins
Rush laser instrument and industrial computer be electrically connected, by servo control system respectively with three coordinate mobile platform and industrial computers
Electrical connection, utilizes industrial computer unification to be controlled the duty of pulse laser and three coordinate mobile platforms, pulse
Laser controller is for controlling power density and the pulse laser emission frequency of pulse laser, and servo control system is used for
Control the position of three coordinate mobile platforms；
S2, garbage collector is placed on three coordinate mobile platforms, assembling mould ensure micro-drawing punching combination die and
The upper surface of micro-blanking die is maintained in same level, is placed on garbage collector by the mould assembled, by six
Angle screw is arranged on three coordinate mobile platforms；Laser facula collection apparatus paper is entirely attached to the upper left corner on mould；
S3, plane mirror, focusing lens are arranged on the first retainer so that plane mirror is with the horizontal 45 °
Angle, it is ensured that inject focusing lens via the beam orthogonal of plane mirror, industrial computer is adjusted by servo control system
The height of whole three coordinate mobile platforms so that it is reach defocusing amount and the spot diameter set, putting down of mobile three coordinate mobile platforms
Position, face makes can be with irradiation to the surface of laser facula collection apparatus paper from focusing lens light beam out；
S4, camera is arranged on the second retainer, makes the field range of camera can cover whole mould, camera is entered
Rower is fixed, determines camera coordinates system, is arranged on the second retainer by lighting source simultaneously, and lighting source is positioned under camera
Side；
S5, open the grating of pulse laser, close after laser facula collection apparatus paper is got a hot spot in advance
Grating, utilizes the view data of camera shooting laser facula, and by data message card, view data is transferred to industry and calculates
Machine, carries out contours extract, analytical calculation by profile center analysis software system to the representation of laser facula of storage, obtains laser
The center of hot spot, and be zero by the setting coordinate of the center of this hot spot, then recycling profile center is divided
Analysis software system to the contours extract of mould, carry out measuring and calculating and analyze, draw the centre coordinate of mould, by the centre coordinate of mould and
The differential transmission of the zero set is to servo control system, and it is flat that servo control system drives three coordinates to move
Platform, moves to the center position of laser facula by the center of mould, it is achieved that being accurately positioned of mould；
S6, remove laser facula collection apparatus paper, mould is placed technology arrangement mechanism, then blanking power is controlled folder
It is mounted on technology arrangement mechanism, technology arrangement mechanism is applied pressure-pad-force, hinder material radial flow in the course of processing
Dynamic, improve the forming property of high accuracy dish part；
S7, being again turned on the grating of pulse laser, machining high-precision dish part, the pulse that pulse laser sends swashs
The transparent restraint layer of light transmission, on irradiation to pitch-dark absorbed layer, pitch-dark absorbed layer absorbs the laser energy of high power density, surface vapour
Change and ionization produce High Temperature High Pressure plasma, plasma outwards splash expansion rapidly, and absorb remaining sharp constantly
Light energy, under the constraint that transparent restraint layer and blanking power control folder, forms downward detonation wave, and sheet metal is soft by top
Property the extruding of thin film and the shear action of lower section mould, thus be processed into laser flexible loading and shaping high accuracy dish part, one
Grating is closed after secondary completion of processing；
S8, complete once flexible loading and shaping high accuracy dish part after, lay down blanking power and control folder, from technology arrangement
Taking out high accuracy dish part, the sheet metal i.e. shaped in mechanism, the process repeating step S6 and S7 can realize repeatedly adding
Work high accuracy dish part.
In such scheme, also including step, described step S9 is particularly as follows: after completing repeatedly to process, rush micro-drawing
Hole combination die and micro-blanking die are separated, and utilize tweezers to be removed from mould by micro-blanking scrap metal lightly, punching
Scrap metal can directly take out from garbage collector, again by recessed to micro-drawing punching combination die and micro-blanking after removing
Mould assembles up, it is possible to enter the cycle of next laser flexible loading and shaping high accuracy dish part.
The invention has the beneficial effects as follows: compared with prior art, the present invention, based on laser flexible dynamic load load, completes
The manufacturing process of high accuracy dish part, this process need not manufacture punch, solves the needs in conventional fabrication process
The compound die of design complexity and the problem of progressive die；Mould detachable, it is achieved that shape effective removing of waste material, solve into
The problem of shape blocking of waste materials mould, extends the mold use life-span；Utilize collected by camera view data that mould and pulse are swashed
Light positions, and solves the error problem that making detects by an unaided eye brings, and improves the production precision of dish part, is manufactured that
There is the dish-shaped part of degree of precision.
Accompanying drawing explanation
Fig. 1 is that an embodiment of the present invention loads the lower device signal shaping high accuracy dish part based on dynamic Laser
Figure；
Fig. 2 is the scheme of installation of an embodiment of the present invention dish shape piece formation system；
Fig. 3 is profile and the assembling schematic diagram of an embodiment of the present invention mould；
Fig. 4 is the structural representation of micro-drawing punching combination die of an embodiment of the present invention；
Fig. 5 is the structural representation of micro-blanking die of an embodiment of the present invention；
Fig. 6 is that the blanking power of an embodiment of the present invention controls showing of folder, technology arrangement mechanism and mould installation site
It is intended to；
Fig. 7 is the three dimensional structure schematic diagram of the high accuracy dish part of the shaping of an embodiment of the present invention.
In figure: 1, fixing hole system pedestal；2, three coordinate mobile platform；3, the first retainer；301, montant；302, first is horizontal
Bar；303, the second cross bar；4, garbage collector；5, mould；6, technology arrangement mechanism；7, blanking power controls folder；8, focusing lens；9、
Plane mirror；10, lighting source；11, camera；12, the second retainer；13, pulse laser；14, pulse laser controller；
15, industrial computer；16, data message card；17, servo control system；18, sheet metal；19, fexible film；20, inhale
Receive layer；21, transparent restraint layer；22, micro-drawing punching combination die；23, micro-blanking die；24, the first through hole；25, the second through hole；
26, third through-hole；27, fourth hole.
Detailed description of the invention
In order to technical characteristic, purpose and the effect of invention are more clearly understood from, the now comparison accompanying drawing explanation present invention
Detailed description of the invention, the most identical label represents same or analogous part.Accompanying drawing is merely to illustrate the present invention, no
Represent practical structures and the actual proportions of the present invention.
Fig. 1 show a kind of embodiment party of the device of laser flexible loading and shaping of the present invention high accuracy dish part
Formula, the device of described laser flexible loading and shaping high accuracy dish part, shape system including pulse laser generation system, dish shape piece
System, dish shape piece control system and laser facula alignment system.
Described pulse laser produces system and includes that fixing hole system pedestal the 1, first retainer 3, pulse laser 13, plane are anti-
Penetrate mirror 9 and focusing lens 8；The montant 301 of described first retainer 3 is removably mounted at fixing hole system pedestal 1 by hex bolts
Right side, described focusing lens 8 is arranged on the first cross bar 302 of the first retainer 3, and the first guarantor installed by described plane mirror 9
Hold on the second cross bar 303 of frame 3, described plane mirror 9 in the surface of focusing lens 8, the minute surface of plane mirror 9 keep with
Horizontal plane angle at 45 °；Pulse laser produces the concrete light path that formed of system: come the light beam of self-pulsing laser 13 via
After the reflection of 45 ° of angle plane mirrors 9, the focusing of focusing lens 8, laser beam is introduced into the dish of lower section
Part formation system.Preferably, described first retainer 3 is the retainer that can carry out three-dimensional adjustment, described first cross bar 302 and the
Two cross bars 303 are connected with montant 301 sliding pair respectively, it is preferred that described montant 301 is guide rail, described first cross bar 302 and
Two cross bars 303 are with to state one end that montant 301 is connected be slide block, and slide block is at slide on rails, and described first cross bar 302 and second is horizontal
Bar 303 can rotate around montant 301 respectively, and by screw tightening, described first cross bar 302 and the second cross bar 303 are at montant
The position of 301 and height can adjust.
As in figure 2 it is shown, described dish shape piece formation system is arranged on the lower section of described focusing lens 8；Described dish shape piece shapes system
System includes that blanking power controls folder 7, technology arrangement mechanism 6, mould 5, garbage collector 4 and three coordinate mobile platforms 2；Described technique
Deployment mechanism 6 includes transparent restraint layer 21, pitch-dark absorbed layer 20, fexible film 19 and the sheet metal being sequentially overlapped from top to bottom
18；Described blanking power controls folder 7 and is entirely pressed on transparent restraint layer 21, it is ensured that whole work in laser flexible loading procedure
Skill deployment mechanism 6 stable produces enough blanking power with this and ensures the dimensional accuracy of high accuracy dish part.Described transparent
Restraint layer 21 is made for acrylic board.Described fexible film 19 is the thin film with high-elastic characteristic, it is preferable that thin for rubber
Film.And it is uniformly coated with certain thickness pitch-dark as absorbed layer 20 at fexible film 19 one side, described pitch-dark absorbed layer 20
Thickness is 10 μm, scribbles pitch-dark surface and carries out sealing holding gapless by water with transparent restraint layer 21, is not coated with pitch-dark
Surface contacts with formed sheet metal 18.Described garbage collector 4 is cuboid block, and material is 45 steel, its a size of 50mm
× 50mm × 5mm, described garbage collector 4 is placed on the underface of mould 5, and described mould 5 and garbage collector 4 pass through hexagonal
Screw removably connects with three coordinate mobile platforms 2 of lower section, and described three coordinate mobile platforms 2 are fixed by screws in fixing hole
It is above pedestal 1.The circular third through-hole 26 of a diameter of 0.8mm it is provided with at the center position of described garbage collector 4, described
The position of third through-hole 26 is corresponding with the first through hole 24 and diameter is slightly larger than the first through hole 24；Blinking scrap from mould 5
Fall in garbage collector 4 during laser flexible loads, i.e. can be taken off after being completely processed waste material is cleared up.
Such as Fig. 3, shown in 4 and 5, described mould 5 for assembling, Alternative shaping dies；Described mould 5 includes that micro-drawing is rushed
Hole combination die 22 and micro-blanking die 23；Described micro-drawing punching combination die 22 profile is be incremented by from top to bottom stepped, rank
Body diameter bottom ladder is 3mm, and height be 1mm, and the body diameter of centre is 1.8mm, micro-drawing punching combination die 22 upper
Portion is that micro-drawing processes, and is shallow recessing, shallow drawing sphere at micro-drawing, and its spherical radius is 1.523mm, the distance of the centre of sphere to die surface
For 1.4mm, the sphere degree of depth is 0.11mm；Spherical face must carry out the surface treatment modes such as grinding-polishing process, makes Ra surface thick
Rugosity value reaches 0.4 μm, it is ensured that produce the dish-shaped part that surface quality is good；The Spherical Bottom of described micro-drawing punching combination die 22
Portion is provided with the first through hole 24, and bore dia is 0.4mm；The profile of described micro-blanking die 23 in the font of falling T, micro-blanking die 23
Middle part is provided with the second through hole 25, and top hole diameter is 1.8mm, and the degree of depth in hole is 4mm, and bottom diameter macropores is 3.2mm, hole
The degree of depth is 1mm；And the outline of the outline of punching and sphere need to ensure the axiality requirement of at least 0.01mm, ensure into this
The positional precision of shape high accuracy dish part；Described micro-drawing punching combination die 22 is arranged in the second through hole 25, in order to reach
It is easy to remove the purpose of waste material, interference fits between described micro-drawing punching combination die 22 and the second through hole 25, must be used to fill
Join, it is simple to dismounting.Micro-upper surface of drawing punching combination die 22 and the upper surface of micro-blanking die 23 are maintained at same level
In, not may occur in which that centre subsides or the situation of projection, ensure smoothly completing of combined forming process with this；Mould 5 owns
Edge be nearly right angle feature, it is to avoid the situation of chamfering occurs, improves the blanking pressure in manufacture process so that punching and falling
Completing of material technique.
As shown in Figure 6, described technology arrangement mechanism 6 lies in a horizontal plane on mould 5, and uses blanking power to control folder 7 to work
Skill deployment mechanism 6 and mould 5 apply thrust；Described blanking power controls folder 7 and presents " returning " font, and centre is square four-way
Hole 27, the size of described fourth hole 27 is 25mm × 25mm, it is simple to laser passes through, on irradiation to technology arrangement mechanism 6.
Described dish shape piece control system includes pulse laser controller 14, industrial computer 15 and servo control system
17；One end of described pulse laser controller 14 electrically connects with pulse laser 13, and the other end electrically connects with industrial computer 15,
Pulse laser controller 14 is for controlling the parameters such as power density and the impulse ejection frequency of pulse laser 13；Described servo electricity
One end of machine control system 17 electrically connects with industrial computer 15, and the other end and three coordinate mobile platforms 2 electrically connect；Industry calculates
Machine 15 controls the work of pulse laser 13 by pulse laser controller 14, and industrial computer 15 is by Serve Motor Control system
The movement of system 17 control three coordinate mobile platforms 2.Due to after have adjusted laser defocusing amount, the diameter of laser facula and position
All there occurs change, no longer overlap with original position, now need laser facula by mobile three coordinate mobile platforms 2
Center is restored to the position overlapped with the center of mould 5.
Described laser facula alignment system includes high accuracy camera 11, lighting source the 10, second retainer 12, data message
Card 16 and laser facula collection apparatus paper；The bottom of described second retainer 12 is arranged on fixing hole system pedestal by hex bolts
On 1 and be positioned at the left side of mould 5 and keep aliging with the first retainer 3；Described camera 11 can be by being positioned on the second retainer 12
Stable being arranged on required position coordinates of tiger's jaw clamp；Described lighting source 10 uses the polishing mode of vertical irradiation
It is arranged on the lower section of camera 11 so that target image and background image present higher contrast, easily facilitate data image
Process and the reorientating of spot center.Described lighting source 10 uses red LED lighting source, laser facula collection apparatus
The size of paper is 20mm × 20mm × 0.1mm.One end of described data message card 16 electrically connects with camera 11, the other end with
Industrial computer 15 electrically connects；The laser facula video signal that described data message card 16 gathers from camera 11 for acquisition,
I.e. view data, then stores view data and is transferred on industrial computer 15, the profile center on industrial computer 15
Hot spot is analyzed and calculates by analyzing software system, finds out the center of laser facula with this.Described laser facula collection apparatus
Paper is the nontransparent sensitive paper of black, when there being laser irradiation on its surface, can form yellow subcircular hot spot gathering on paper.
A kind of method according to described device loading and shaping high accuracy dish part, specifically includes following steps:
S1, data message card 16 is electrically connected, by pulse laser controller 14 with camera 11 and industrial computer 15 respectively
It is electrically connected with pulse laser 13 and industrial computer 15 respectively, servo control system 17 is moved flat with three coordinates respectively
Platform 2 and industrial computer 15 electrically connect, and utilize industrial computer 15 unified to pulse laser 13 and three coordinate mobile platforms 2
Duty is controlled, and pulse laser controller 14 is for controlling power density and the pulse laser emission of pulse laser 13
The parameters such as frequency, servo control system 17 is for controlling the position of three coordinate mobile platforms 2；
S2, first, is placed on garbage collector 4 on three coordinate mobile platforms 2, then, assembles micro-drawing punching combination
Mould 22 and micro-blanking die 23, and micro-drawing punching combination die 22 and the upper surface of micro-blanking die 23 when having assembled, need to be ensured
It is maintained in same level, not may occur in which that centre subsides or the situation of projection, and finally utilize white light interference method to it
Detect, if defective, need to use the means such as pad that it is adjusted, the mould 5 assembled is placed on waste material
On catcher 4, and mould 5 and garbage collector 4 are kept alignment, and be firmly mounted to three coordinates by hex screw and move
On platform 2；Double faced adhesive tape is sticked, the upper left then it being entirely attached on mould 5 at the back side of laser facula collection apparatus paper
Angle；
S3, plane mirror 9, focusing lens 8 are accurately firmly mounted on the first retainer 3, utilize angular surveying work
Tool make plane mirror 9 with the horizontal 45 ° of angles, and 50mm directly over focusing lens 8, it is ensured that via plane mirror 9
Beam orthogonal inject focusing lens 8, industrial computer 15 adjusts three coordinate mobile platforms 2 by servo control system 17
Highly so that it is reach defocusing amount and the spot diameter set, the plan-position of mobile three coordinate mobile platforms 2 makes from focusing lens 8
Light beam out can be with on irradiation to the surface of laser facula collection apparatus paper 24；
S4, camera 11 is arranged on the second retainer 12, adjusts camera 11 to suitably height and horizontal level, make phase
The field range of machine 11 can cover whole mould 5, after camera 11 installs, needs to demarcate camera 11, determines
Camera 11 coordinate system, after camera 11 installs, thereunder installs for improving target image and background image contrast
LED illumination light source 10.
S5, open pulse laser 13 and external water cooling unit, when water cooling unit reaches default temperature value, adjust arteries and veins
Impulse optical parameter, until voltage reaches 630V, opens grating, gets a light on laser facula collection apparatus paper 24 in advance
Speckle, closes grating, utilizes camera 11 to gather the view data of the laser facula formed, and its data are transferred to industry calculating
Machine 15, carries out contours extract, analytical calculation by profile center analysis software system to the representation of laser facula of storage, is swashed
The center of light hot spot, and be zero by the setting coordinate of the center of this hot spot, then recycling profile center
Analyzing software system to the contours extract of mould 5, carry out measuring and calculating and analyze, draw the centre coordinate of mould 5, by the center of mould 5
The differential transmission of the zero of coordinate and setting drives three seats to servo control system 17, servo control system 17
Mark mobile platform 2, moves to the center position of laser facula by the center of mould 5, thus achieves the most fixed of mould 5
Position；
S6, remove laser facula collection apparatus paper, mould 5 is placed technology arrangement mechanism 6, then blanking power is controlled
Folder 7 is mounted on technology arrangement mechanism 6, and technology arrangement mechanism 6 applies pressure-pad-force, hinders material footpath in the course of processing
To flowing, improve the forming property of high accuracy dish part；
S7, it is again turned on the grating of pulse laser 13, machining high-precision dish part, the arteries and veins that pulse laser 13 sends
The transparent restraint layer of impulse light transmission 21, on irradiation to pitch-dark absorbed layer 20, pitch-dark absorbed layer 20 absorbs the laser of high power density
Energy, surface vaporization and ionization produce High Temperature High Pressure plasma, plasma outwards splash expansion rapidly, and inhale constantly
Receive remaining laser energy, under the constraint that transparent restraint layer 21 and blanking power control folder 7, form downward detonation wave, metal
Thin plate 18 is by the extruding of top fexible film 19 and the shear action of lower section mould 5, thus is processed into laser flexible and loads into
Shape high accuracy dish part, closes grating after time processing；
S8, complete once flexible loading and shaping high accuracy dish part after, lay down blanking power and control folder 7, from craft cloth
Putting and take out high accuracy dish part in mechanism 6, the sheet metal 18 i.e. shaped, as it is shown in fig. 7, repeat step S6 and the process of S7
Repeatedly machining high-precision dish part can be realized；
S9, after completing repeatedly to process, the scrap metal of formation may be by micro-drawing punching combination die 22 and micro-blanking
Die 23 is blocked, and now micro-drawing punching combination die 22 and micro-blanking die 23 is dismantled and comes, utilizes tweezers lightly by micro-
Blanking scrap metal is removed from mould 5, and punch metal waste material can directly take out, after removing from garbage collector 4
Again micro-drawing punching combination die 22 and micro-blanking die 23 are assembled up, the most just can enter next laser flexible and add
Carry the cycle shaping high accuracy dish part.
It is to be understood that, although this specification describes according to each embodiment, but the most each embodiment only comprises one
Individual independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should will say
Bright book can also form those skilled in the art permissible through appropriately combined as an entirety, the technical scheme in each embodiment
Other embodiments understood.
The a series of detailed description of those listed above is only for illustrating of the possible embodiments of the present invention,
They also are not used to limit the scope of the invention, all Equivalent embodiments made without departing from skill of the present invention spirit or change
Should be included within the scope of the present invention.
Claims (10)
1. the device of a laser flexible loading and shaping high accuracy dish part, it is characterised in that include that pulse laser produces system
System, dish shape piece formation system and dish shape piece control system；
Described pulse laser produces the first retainer (3), the installation that system includes being removably mounted in fixing hole system pedestal (1)
Plane mirror (9) on the first retainer (3) and focusing lens (8), and pulse laser (13)；Described pulse laser
(13) on light direct beam to described plane mirror (9), described plane mirror (9) is in the surface of focusing lens (8), and light
Reflex on focusing lens (8)；
Described dish shape piece formation system is arranged on the lower section of described focusing lens (8)；Described dish shape piece formation system includes blanking power
Control folder (7), technology arrangement mechanism (6), mould (5) and three coordinate mobile platforms (2)；Described technology arrangement mechanism (6) includes
The transparent restraint layer (21) being sequentially overlapped from top to bottom, pitch-dark absorbed layer (20), fexible film (19) and sheet metal (18)；Institute
State blanking power control folder (7) in " returning " font, centre is square fourth hole (27), described blanking power control press from both sides (7) smooth
Be pressed on transparent restraint layer (21)；Described mould (5) for can assemble, Alternative shaping dies；
Described technology arrangement mechanism (6) lies in a horizontal plane on mould (5), described mould (5) and three coordinate mobile platforms of lower section
(2) removably connecting, described three coordinate mobile platforms (2) are fixed by screws in fixing hole system pedestal (1) above；
Described dish shape piece control system includes pulse laser controller (14), industrial computer (15) and servo control system
(17)；One end of described pulse laser controller (14) electrically connects with pulse laser (13), the other end and industrial computer
(15) electrical connection, pulse laser controller (14) is used for controlling power density and the impulse ejection frequency of pulse laser (13)；
One end of described servo control system (17) electrically connects with industrial computer (15), the other end and three coordinate mobile platforms
(2) electrical connection；Industrial computer (15) controls the work of pulse laser (13), industry meter by pulse laser controller (14)
Calculation machine (15) controls the movement of three coordinate mobile platforms (2) by servo control system (17).
The device of laser flexible loading and shaping the most according to claim 1 high accuracy dish part, it is characterised in that described
Mould (5) includes micro-drawing punching combination die (22) and micro-blanking die (23)；Described micro-drawing punching combination die (22) profile
Stepped for be incremented by from top to bottom, the top of micro-drawing punching combination die (22) is that micro-drawing processes, and is shallow drawing at micro-drawing
Deep ball face, is provided with the first through hole (24) bottom the sphere of described micro-drawing punching combination die (22)；Described micro-blanking die (23)
Profile in the font of falling T, the middle part of micro-blanking die (23) is provided with the second through hole (25), described micro-drawing punching combination die (22)
It is arranged in the second through hole (25) and interference fits, the upper surface of micro-drawing punching combination die (22) and micro-blanking die (23)
Upper surface be maintained in same level.
The device of laser flexible loading and shaping the most according to claim 1 high accuracy dish part, it is characterised in that described
Dish shape piece formation system also includes garbage collector (4)；Described garbage collector (4) is cuboid block, described garbage collector
(4) underface of mould (5), mould (5) and garbage collector (4) it are placed on by hex screw and three coordinate mobile platforms
(2) it is connected；Third through-hole (26) it is provided with at the center position of described garbage collector (4), described third through-hole (26)
Position is corresponding with the first through hole (24).
The device of laser flexible loading and shaping the most according to claim 1 high accuracy dish part, it is characterised in that also wrap
Include laser facula alignment system；
Described laser facula alignment system includes high accuracy camera (12), lighting source (10), the second retainer (12), data letter
Breath card (16) and laser facula collection apparatus paper；The bottom of described second retainer (12) is arranged on fixing hole by hex bolts
It is that pedestal (1) is gone up and is positioned at the left side of mould (5)；Described camera (11) is arranged on the second retainer (12)；Described illumination light
Source (10) uses the polishing mode of vertical irradiation to be arranged on the lower section of camera (11)；One end of described data message card (16) and phase
Machine (11) electrically connects, and the other end electrically connects with industrial computer (15)；Described data message card (16) is used for gathering camera (11)
The image of shooting, and be sent in industrial computer (15) carry out image procossing.
The device of laser flexible loading and shaping the most according to claim 1 high accuracy dish part, it is characterised in that described
Transparent restraint layer (21) is that acrylic board is made.
The device of laser flexible loading and shaping the most according to claim 1 high accuracy dish part, it is characterised in that described
Fexible film (19) is rubber film.
The device of laser flexible loading and shaping the most according to claim 1 high accuracy dish part, it is characterised in that described
Fexible film (19) single is uniformly coated pitch-dark as pitch-dark absorbed layer (20), and fexible film (19) scribbles pitch-dark
Surface carries out sealing holding gapless by water with transparent restraint layer (21), is not coated with pitch-dark surface and formed sheet metal
(18) contact.
The device of laser flexible loading and shaping the most according to claim 1 high accuracy dish part, it is characterised in that first
Retainer (3) is the retainer that can carry out three-dimensional adjustment, described first cross bar (302) and the second cross bar (303) respectively with montant
(301) sliding pair connection and described first cross bar (302) and the second cross bar (303) can rotate around montant (301) respectively.
9. a method for device loading and shaping high accuracy dish part according to claim 1, specifically includes following steps:
S1, data message card (16) is electrically connected, by pulse laser controller with camera (11) and industrial computer (15) respectively
(14) it is electrically connected, by servo control system (17) respectively with three with pulse laser (13) and industrial computer (15) respectively
Coordinate mobile platform (2) and industrial computer (15) electrical connection, utilize industrial computer (15) unified to pulse laser (13)
Being controlled with the duty of three coordinate mobile platforms (2), pulse laser controller (14) is used for controlling pulse laser
(13) power density and pulse laser emission frequency, servo control system (17) is for controlling three coordinate mobile platforms
(2) position；
S2, being placed on by garbage collector (4) on three coordinate mobile platforms (2), assembling mould (5) ensures that micro-drawing punching is combined
The upper surface of mould (22) and micro-blanking die (23) is maintained in same level, and the mould (5) assembled is placed on waste material
On catcher (4), it is arranged on three coordinate mobile platforms (2) by hex screw；By laser facula collection apparatus paper entirely
It is attached to the upper left corner on mould (5)；
S3, plane mirror (9), focusing lens (8) are arranged on the first retainer (3) so that plane mirror (9) and level
Face angle at 45 °, it is ensured that inject focusing lens (8) via the beam orthogonal of plane mirror (9), industrial computer (15) is by watching
Take electric machine control system (17) and adjust the height of three coordinate mobile platforms (2) so that it is reach defocusing amount and the spot diameter set,
The plan-position of mobile three coordinate mobile platforms (2) makes can be with irradiation to laser facula feature from focusing lens (8) light beam out
Gather on the surface of paper；
S4, camera (11) is arranged on the second retainer (12), makes the field range of camera (11) that whole mould can be covered
(5), camera (11) is demarcated, determine camera (11) coordinate system, lighting source (10) is arranged on the second holding simultaneously
On frame (12), lighting source (10) is positioned at the lower section of camera (11)；
S5, open the grating of pulse laser (13), close after laser facula collection apparatus paper is got a hot spot in advance
Grating, is utilized the view data of camera (11) shooting laser facula, and view data is transferred to by data message card (16)
Industrial computer (15), carries out contours extract, analysis by profile center analysis software system to the representation of laser facula of storage
Calculate, obtain the center of laser facula, and be zero by the setting coordinate of the center of this hot spot, the most again profit
With profile center analysis software system to the contours extract of mould (5), carry out measuring and calculating and analyze, draw the centre coordinate of mould (5),
By the differential transmission of the centre coordinate of mould (5) and the zero of setting to servo control system (17), servomotor
Control system (17) drives three coordinate mobile platforms (2), and the center of mould (5) moves to the center position of laser facula,
Achieve being accurately positioned of mould (5)；
S6, remove laser facula collection apparatus paper, in the upper technology arrangement mechanism (6) of placing of mould (5), then blanking power is controlled
Folder (7) is mounted on technology arrangement mechanism (6), and technology arrangement mechanism (6) is applied pressure-pad-force, hinders material in the course of processing
In Radial Flow, improve high accuracy dish part forming property；
S7, it is again turned on the grating of pulse laser (13), machining high-precision dish part, the arteries and veins that pulse laser (13) sends
The transparent restraint layer of impulse light transmission (21), on irradiation to pitch-dark absorbed layer (20), pitch-dark absorbed layer (20) absorbs high power density
Laser energy, surface vaporization and ionization produces High Temperature High Pressure plasma, plasma rapidly outwards splash expand, and hold
Absorb remaining laser energy continuously, under transparent restraint layer (21) and blanking power control the constraint of folder (7), formed downward quick-fried
Hong ripple, sheet metal (18) is by the extruding of top fexible film (19) and the shear action of lower section mould (5), thus is processed into
Laser flexible loading and shaping high accuracy dish part, closes grating after time processing；
S8, complete once flexible loading and shaping high accuracy dish part after, lay down blanking power and control folder (7), from technology arrangement
Taking out high accuracy dish part, the sheet metal i.e. shaped (18) in mechanism (6), the process repeating step S6 and S7 can realize
Repeatedly machining high-precision dish part.
Method the most according to claim 9, it is characterised in that also include step S9, described step S9 particularly as follows:
After completing repeatedly to process, micro-drawing punching combination die (22) and micro-blanking die (23) are separated, utilizes tweezer
Micro-blanking scrap metal is removed from mould (5) by son lightly, and punch metal waste material can from garbage collector (4) directly
Take out, again micro-drawing punching combination die (22) and micro-blanking die (23) are assembled up after removing, it is possible to enter
The cycle of next laser flexible loading and shaping high accuracy dish part.
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| CN201610384092.7A CN106077218B (en) | 2016-06-02 | 2016-06-02 | A kind of devices and methods therefor of laser flexible loading and shaping dish-shaped part in high precision |
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Cited By (3)
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| CN107421680A (en) * | 2017-07-31 | 2017-12-01 | 江苏大学 | Hydraulic oil impact force measurements devices and methods therefor under laser-impact |
| CN111069500B (en) * | 2019-12-26 | 2021-05-25 | 江苏大学 | Automatic device and method for micro-part cold forging forming at high strain rate |
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| US20100170877A1 (en) * | 2006-05-11 | 2010-07-08 | Kabushiki Kaisha Toshiba | Laser shock hardening method and apparatus |
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| CN107081970A (en) * | 2017-05-16 | 2017-08-22 | 大族激光科技产业集团股份有限公司 | The method and apparatus of invisible two-dimensional codes is marked in metal material surface using laser |
| CN107421680A (en) * | 2017-07-31 | 2017-12-01 | 江苏大学 | Hydraulic oil impact force measurements devices and methods therefor under laser-impact |
| CN107421680B (en) * | 2017-07-31 | 2019-06-28 | 江苏大学 | Hydraulic oil impact force measurements devices and methods therefor under laser-impact |
| CN111069500B (en) * | 2019-12-26 | 2021-05-25 | 江苏大学 | Automatic device and method for micro-part cold forging forming at high strain rate |
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| CN106077218B (en) | 2018-02-27 |
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