CN102974903A - Micro-forming die in-situ manufacture device based on wire electrode discharging grinding - Google Patents
Micro-forming die in-situ manufacture device based on wire electrode discharging grinding Download PDFInfo
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- CN102974903A CN102974903A CN2012105044308A CN201210504430A CN102974903A CN 102974903 A CN102974903 A CN 102974903A CN 2012105044308 A CN2012105044308 A CN 2012105044308A CN 201210504430 A CN201210504430 A CN 201210504430A CN 102974903 A CN102974903 A CN 102974903A
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Abstract
The invention relates to a micro-forming die in-situ manufacture device based on wire electrode discharging grinding, and belongs to the field of manufacture of precision machinery. The device aims to solve the problem that during processing of a miniature die, a block electrode is repetitively used, so the fine discharging gap cannot be easily and accurately controlled, the surface quality is poorer, and the service life of the miniature die is affected. A wire electrode and feeding system of the in-situ manufacture device comprises a wire electrode, a wire electrode guide plate, a driving outer guide wheel, a driven outer guide wheel and two groups of inner guide wheels, wherein the front end of an upper shaft is provided with the wire electrode guide plate, an XY precise moving platform is provided with the driving outer guide wheel and the driven outer guide wheel, the driving outer guide wheel is connected with an output shaft of a rotary motor, the wire electrode is sequentially wound on the driving outer guide wheel, one group of inner guide wheel which is arranged on the same side with the driving outer guide wheel, the wire electrode guide plate, the other group of inner guide wheel, and the driven outer guide wheel, and the wire electrode is moved by the driving outer guide wheel and the driven outer guide wheel. The device can be used for realizing the high-quality in-situ processing of miniature punch heads and concave dies of various shapes.
Description
Technical field
The present invention relates to a kind of little shaping dies original position manufacturing installation based on the discharging grinding and paring of line electrode technology, belong to precision optical machinery and make the field.
Background technology
Sheet metal class miniature parts is widely used in the fields such as microelectronic integrated circuit, biologic medical, Aero-Space, textile printing and dyeing, its accessory size or characteristic size are at submillimeter or micron order, and the microminiaturization of product is had higher requirement to dimensional accuracy, cost and the production efficiency etc. of miniature parts.Traditional fine machining method, such as fine drilling, fine electric spark, minuteness electrochemical, laser and etching etc., these fine manufacturing technologies have deficiency in various degree at aspects such as miniature parts working (machining) efficiency, cost and machinable materials.Micro forming of thin metal sheet has that the traditional plastic processing technology is simple, precision is high, good reproducibility, high, the low cost and other advantages of production efficiency, is particularly suitable for the sheet metal micropore, little glass of class part high quality and low cost made in batches.Yet along with reducing of miniature parts size, critical component in the minisize mould (miniature drift, die etc.) processing is difficult to guarantee with assembly precision, causes the minisize mould life-span lower.The processing of minisize mould and mounting technology become the key factor of the little forming technique development of restriction.
The people such as Korea S Joo utilize the miniature drift of fine attrition process, adopt fine drawbore method processing die hole, under the help that micro-vision detects, carry out miniature drift and the coaxial assembling of punching concave die by accurate XY mobile platform, realized that minimum diameter is little punching experiment (B.Y.Joo of 25 μ m micropores, S.H.Rhim, S.I.Oh.Micro-hole fabricationby mechanical punching process.J.Mater.Process.Technol.170 (2005), 593-601).But, owing to be subjected to the impact of up till now optical detection precision, cause mold center's calibration operation complicated, repeatable accuracy is difficult to guarantee.
The fine electric spark technology is to realize the process of micro parts manufacturing by the pulse feature spark discharge of small energy between workpiece and the tool-electrode, this technology is not limited by the strength of materials, hardness, in the process without macroscopical active force, the dimensional accuracy advantages of higher is particularly suitable for little shaping dies high accuracy processing.The people such as Taiwan Chern have proposed a kind of little hole punched device based on the fine electric spark technology, at first adopt the line electrode method for grinding to process miniature drift, then utilize the die of the miniature drift machining need of processing.Owing to do not need the secondary assembling of drift and die, can guarantee the blade clearance uniformity requirement, going out minimum diameter is the micropore (G.L.Chern of 100 μ m, Y.E.Wu and S.F.Liu Development of amicro-punching machine and study on the influence of vibration machining inmicro-EDM, J.Mater.Process.Technol.180 (2006), 102-109).But this method is not owing to there is corresponding flange fixing installation in little punch process, and the cross section quality of micropore is relatively poor, and the drift life-span is difficult to guarantee, is difficult to satisfy micropore and makes in batches requirement.Publication number is CN102489802A, open day be that the patent of invention that June 13 in 2012, day, were called " a kind of little shaping dies original position manufacturing installation " has proposed a kind of little shaping dies original position manufacturing technology based on fine electric spark, realize the on-line machining of miniature drift and die based on fine electric spark cube electrode grinding technique.The method has been saved the secondary assembling of miniature drift and die in little shaping dies, has guaranteed the gap uniformity between the working hole on drift and the die.Although the cube electrode method for grinding can be realized the high efficiency processing of minisize mould, but because cube electrode is reused in the minisize mould process, small discharging gap is difficult to accurate control, cause the minisize mould damaged surface layer obvious, surface quality is relatively poor, has affected the service life of minisize mould.
Summary of the invention
The present invention is difficult to accurate control for the discharging gap that solves cube electrode in the minisize mould process, cause the minisize mould damaged surface layer obvious, surface quality is relatively poor, affected the problem in the service life of minisize mould, and then a kind of little shaping dies original position manufacturing installation based on discharging grinding and paring of line electrode is provided.
The present invention solves the problems of the technologies described above the technical scheme of taking to be:
Little shaping dies original position manufacturing installation based on discharging grinding and paring of line electrode of the present invention comprises XY precise mobile platform, fine electric spark axis system, little shaping dies and high-resolution CCD vision system; Line electrode and feeding transmission system are arranged on the top of XY precise mobile platform, and high-resolution CCD vision system also is fixed on the XY precise mobile platform; The position consistency that height and the drift of little shaping dies of fine electric spark axis system are set of XY precise mobile platform; The fine electric spark axis system is arranged on the top of little shaping dies; Described device also comprises line electrode and the feeding transmission system that is installed on the XY precise mobile platform;
Line electrode and feeding transmission system comprise line electrode, the line electrode guide plate, the outer guide wheel of active, driven outer guide wheel and two groups of inner guide pulleys, two groups of inner guide pulleys are symmetrical and be installed in both sides on the upper axle of XY precise mobile platform, the front end of described upper axle is equipped with the line electrode guide plate, initiatively outer guide wheel and driven outer guide wheel also are installed on the XY precise mobile platform, initiatively outer guide wheel is connected with the output shaft of an electric rotating machine, and line electrode is wrapped in initiatively outer guide wheel successively, one group of inner guide pulley of the outer guide wheel homonymy of active, the line electrode guide plate, another organizes inner guide pulley, driven outer guide wheel; Initiatively outer guide wheel rotates under the effect of electric rotating machine, by the initiatively movement of outer guide wheel and driven outer guide wheel realization line electrode; Under the guiding of two groups of inner guide pulleys and line electrode guide plate, realize the line electrode stable drive; Line electrode and feeding transmission system are used for original position processing or repair the drift of little shaping dies, and the guide pin bushing in the outer of main shaft cramping body lower end is connected with four accurate guide pillars on little shaping dies; The die three's of the rotary main shaft of fine electric spark axis system, the drift of little shaping dies and little shaping dies center is coaxial.
The invention has the beneficial effects as follows:
Device of the present invention utilizes the discharging grinding and paring of line electrode processing method to process miniature drift, then utilize miniature drift as electrode, original position is processed little shaping dies die hole, realize the gap length between miniature drift and the die hole by accurate controlled discharge gap, guaranteed the clearance between punch and die uniformity.Simultaneously, discharging gap is little in the discharging grinding and paring of line electrode, can realize accurately controlled, processing after the minisize mould surface roughness low, Effective Raise miniature punch head surface quality and service life.Satisfy little shaping high accuracy, the low cost of miniature parts and made in batches requirement.This device can realize that cross sectional shape is circular and the miniature drift of non-circular (various shapes such as triangle, quadrangle, hexagon) and the processing of die hole.
The problem that exists during the present invention solves present minisize mould processing and assembles, minisize mould surface quality, dimensional accuracy and gap uniformity requirement have not only been satisfied, and corresponding flange fixing installation can be installed in device, realize the control of little forming process pressure-pad-force, improved the Forming Quality of miniature parts.Miniature drift and the die of the various shape that utilization of the present invention produces, can realize the high-quality shaping of the miniature parts of circular and multiple section shapes such as non-circular (triangle, quadrangle and hexagons etc.), can satisfy the high quality and low cost of the miniature parts such as sheet metal micropore, little glass of class and microprotrusion and make in batches requirement.
Description of drawings
Fig. 1 is that the overall structure front view of the little shaping dies original position manufacturing installation based on discharging grinding and paring of line electrode of the present invention is (for ease of expressing, remove ground floor and the second layer of little shaping dies), Fig. 2 is the top view (7-fuel tank, the upper axle of 1-1-or Y-axis, the upper axle of 1-2-or X-axis) of Fig. 1, Fig. 3 is the front view of fine electric spark main axle structure, Fig. 4 is miniature drift line electrode grinding schematic diagram (utilize the drift of the little shaping dies of line electrode grinding, line electrode and drift are tangent); Fig. 5 to Fig. 7 is that (Fig. 5 is that cross section is leg-of-mutton drift to the miniature drift machining sketch chart of polygon, and Fig. 6 is that cross section is tetragonal drift, and Fig. 7 is that cross section is hexagonal drift; Utilize line electrode that the circle punching is closed and to be processed into leg-of-mutton drift, tetragonal drift or hexagonal drift).Fig. 8 utilizes line electrode to carry out drift to make (referring to Fig. 8 a and 8b), utilize the polygon drift that processes that die is carried out original position processing (referring to Fig. 8 c), then utilizes line electrode drift to be repaired the procedure chart of (referring to Fig. 8 d); Fig. 9 is that the polygon drift that utilization of the present invention processes carries out the state diagram (in drift making, the processing of die original position and drift dressing process, only needing the second layer is removed) that original position is processed to die; Figure 10 is the overall structure front view of the little shaping dies original position manufacturing installation based on discharging grinding and paring of line electrode of the present invention.
The specific embodiment
The specific embodiment one: shown in Fig. 1～10, the described a kind of little shaping dies original position manufacturing installation based on discharging grinding and paring of line electrode of present embodiment, described device comprises XY precise mobile platform 1, fine electric spark axis system 2, little shaping dies 3 and high-resolution CCD vision system 4; Line electrode and feeding transmission system 5 are arranged on the top of XY precise mobile platform, and high-resolution CCD vision system 4 also is fixed on the XY precise mobile platform 1; The position consistency that height and the drift 2-8 of little shaping dies 3 of fine electric spark axis system 2 are set of XY precise mobile platform 1; Fine electric spark axis system 2 is arranged on the top of little shaping dies 3; Described device also comprises line electrode and the feeding transmission system 5 that is installed on the XY precise mobile platform 1; Line electrode and feeding transmission system 5 comprise line electrode 5-1, line electrode guide plate 5-2, the outer guide wheel 5-3 of active, driven outer guide wheel 5-4 and two groups of inner guide pulley 5-5, two groups of inner guide pulley 5-5 are symmetrical and be installed in the upper both sides of upper axle (Y-axis) 1-1 of XY precise mobile platform 1, the front end of described upper axle (Y-axis) 1-1 is equipped with line electrode guide plate 5-2, initiatively outer guide wheel 5-3 and driven outer guide wheel 5-4 also are installed on the XY precise mobile platform 1, initiatively outer guide wheel 5-3 is connected with the output shaft of an electric rotating machine, and line electrode 5-1 is wrapped in initiatively outer guide wheel 5-3 successively, one group of inner guide pulley 5-5 of the outer guide wheel 5-3 homonymy of active, line electrode guide plate 5-2, another group inner guide pulley 5-5, driven outer guide wheel 5-4; Initiatively outer guide wheel 5-3 rotates under the effect of electric rotating machine, by the initiatively movement of outer guide wheel 5-3 and driven outer guide wheel 5-4 realization line electrode; Under the guiding of two groups of inner guide pulley 5-5 and line electrode guide plate 5-2, realize the line electrode stable drive; Line electrode and feeding transmission system 5 is used for original position processing or repairs the drift 2-8 of little shaping dies, and the guide pin bushing 2-15 in the outer of main shaft cramping body 2-7 lower end is connected with four accurate guide pillar 3-4 on little shaping dies 3; The die 3-16 three's of the rotary main shaft 2-6 of fine electric spark axis system 2, the drift 2-8 of little shaping dies 3 (miniature drift) and little shaping dies 3 center is coaxial.
The XY mobile platform is fixed on the lower table of little pressing equipment, and by the working depth that backing plate is regulated axle (Y-axis) on the XY worktable, matches man-hour with electrical spark working.Upper axle (Y-axis) is installed respectively 4 symmetrical inner guide pulleys, and front end is equipped with the line electrode guide plate, and initiatively outer guide wheel and driven outer guide wheel are installed on the workbench, and wherein initiatively outer guide wheel links to each other with an electric rotating machine.Line electrode is wrapped on the driven outer guide wheel, and initiatively outer guide wheel rotates under the effect of electric rotating machine, by the initiatively movement of outer guide wheel and driven outer guide wheel realization line electrode.Realize the line electrode stable drive under the guiding of four inner guide pulleys of line electrode and line electrode guide plate.Four guide pillars and die are fixed by die block, and die block is bolted on the die holder.The circulation mailbox is placed on the die block, links to each other with external oil circulating pump by oil pipe.
Up and down two parts of whole device are coaxial by the center of four guide pillars and four guide pin bushing realizations main shaft, miniature drift and dies.The spindle carrier upper end links to each other with little pressing equipment upper table by bolt, and device pedestal links to each other with the lower table of little pressing equipment.
Utilize the present invention can realize that the miniature drift of multiple section shape (circle, triangle, quadrangle, hexagon etc.) is made, the die hole original position is processed and the trimming of miniature drift, the specific works flow process is:
(1) miniature drift is made
Circular miniature drift manufacturing process is:
(1) main shaft powers on by carbon brush, connects positive source, and line electrode connects power cathode; (2) open direct current generator and drive the main shaft High Rotation Speed, the displacement of vertical direction is set in little pressing equipment, be i.e. miniature drift grinding height; (3) the line electrode driving motor is opened, and miniature drift began grinding when XY mobile platform Y-axis moved to electrode and contacts with miniature drift.(4) miniature drift moves up and down in device travel in the grinding process, detects diameter after the processing of miniature drift by the CCD camera.
The miniature drift manufacturing process of polygon (Fig. 8):
(1) main shaft powers on by carbon brush, connects positive source, and line electrode connects power cathode; (2) displacement of vertical direction is set in little pressing equipment, i.e. miniature drift grinding height; (3) the line electrode driving motor is opened, and XY mobile platform y-axis shift moving stroke and feed speed are set, and miniature drift began grinding when electrode contacted with miniature drift.(4) miniature drift moves up and down in device travel in the grinding process, realizes the processing on the 1st limit in the miniature drift cross section, and after the moving displacement of y-axis shift was finished, first limit of miniature drift machined.(5) power on to direct current generator, the angle of rotation is set, rotate miniature drift, then (1)-(4) program is processed the 2nd limit, the 3rd limit successively ..., finally finish the miniature drift processing of different cross section shape.
(2) die hole original position processing
As electrode, original position is processed die hole the miniature drift that processes, and the diameter of die hole is realized by accurate controlled discharge gap.In this process, die connects positive source, and the drift of little shaping dies powers on by carbon brush, connects power cathode; In the process, miniature drift electrode High Rotation Speed also moves up and down, and is beneficial to chip and discharges.Equally, according to miniature drift electrode shape difference, can process the die hole of the various shapes such as circle, triangle, quadrangle, hexagon.
(3) miniature drift trimming
Utilize the Partial Resection that line electrode discharge will miniature drift loss in processing die hole process.Simultaneously, according to miniature drift tip length and surface quality requirement, miniature drift is finally processed.In this process, the drift of little shaping dies powers on by carbon brush, and connects positive source, and line electrode connects power cathode.In addition, can miniature nose of punch fillet be processed according to the technological requirement of miniature drift, radius of corner R size range is: 0.05～0.2mm.
In order to improve the forming quality of the miniature parts such as sheet metal micropore, little cup, in the intermediate layer of axis system and die holder a flange fixing installation is installed, mainly comprise: intermediate pads, drift lining, binder backing plate, four guide pin bushings and quadruplet flange fixing installation.The center of intermediate pads is provided with the intermediate pads through hole that miniature drift can pass, the below of intermediate pads through hole be provided with the drift lining, described drift lining is installed on the binder backing plate, in little forming process, the drift lining is pressed on the sheet bar, play the flanging effect, pressure-pad-force is adjusted by the elastic force of the spring of change flange fixing installation.
The quadruplet flange fixing installation is uniform to be arranged between intermediate pads and the main shaft cramping body, each pressure-pad-force double-screw bolt passes binder backing plate, intermediate pads from the bottom to top successively, and the nut of pressure-pad-force double-screw bolt withstands on the shoulder of the shoulder hole on the holding pad main shaft cramping body, by back-up ring and pressure-pad-force screw the pressure-pad-force spring housing is contained on the pressure-pad-force double-screw bolt, the pressure-pad-force screw is threaded with the pressure-pad-force double-screw bolt;
Offer four flange fixing installation shoulder holes in main shaft cramping body lower plate, directly over every cover flanging device corresponding to a flange fixing installation ladder.When the electric spark axis system was descending, the shoulder on the flange fixing installation shoulder hole contacted with the upper surface of corresponding back-up ring; Four ejector springs are between main shaft cramping body lower surface and intermediate pads, and uniform being arranged on the die block.The die block both sides respectively are fixed with a plate washer, and the extended length of ejector spring and baffle plate determine the distance between the die block and holding pad when die sinking jointly.
The model that XY precise mobile platform 1 in the present embodiment can select Japanese Suruga Seiki Co. to produce is the XY precise mobile platform of KS211-200.
Described high-resolution CCD vision system 4 is the prior art category.The model that " high-resolution CCD vision system 4 " can select Haoli Electronic Co., Ltd., Xuzhou to produce is the CCD vision system of DM-01.
The guiding accuracy of guiding mechanism described in the present embodiment is ± 0.5 μ m.
The specific embodiment two: shown in Fig. 1～10, the cross section of the drift 2-8 of the described little shaping dies 3 of present embodiment is triangle, quadrangle or hexagon.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: shown in Fig. 1～10, the described fine electric spark axis system 2 of present embodiment comprises direct current generator 2-1, direct current generator belt wheel 2-2, direct current generator connecting plate 2-5, rotary main shaft 2-6, driven pulley 2-4, main shaft cramping body 2-7, carbon brush 2-3, rotary main shaft chuck 2-9, spindle insulating plate 2-10 and main shaft fixed support 2-12; The lower end of rotary main shaft 2-6 is provided with the rotary main shaft chuck 2-9 for the drift 2-8 of fixing little shaping dies to be processed, direct current generator 2-1 (passing through screw) is fixed on the direct current generator connecting plate 2-5, rotary main shaft 2-6 is fixed in main shaft cramping body 2-7 (at compressing member by main shaft compressing member 2-13 and spring leaf, under the effect of spring leaf and main shaft cramping body, rotary main shaft can only be around self axis rotation, can not move up and down vertically), the upper ends of rotary main shaft 2-6 (powers on by carbon brush in the fine electric spark process) in the centre bore of carbon brush 2-3; Main shaft cramping body 2-7, carbon brush 2-3 are bolted on the spindle insulating plate 2-10, direct current generator belt wheel 2-2 links to each other to realize main shaft rotation in the fine electric spark process with the driven pulley 2-4 that is installed in rotary main shaft 2-6 upper end by belt, and spindle insulating plate 2-10 is bolted on the main shaft fixed support 2-12; Main shaft fixed support 2-12 realizes accurately locating with the position of main shaft cramping body 2-7 by pin.Other composition and annexation are identical with the specific embodiment one or two.
The specific embodiment four: shown in Fig. 1～10, the described little shaping dies 3 of present embodiment adopts split-type structurals, the second layer II that comprises the ground floor I that is made of cope match-plate pattern 3-3, is made of the from top to bottom stacked and intermediate pads 3-5 that is fixed together and holding pad 3-10, by die block 3-7 and die shoe 3-8 stacked and that be fixed together consist of the 3rd layer of III, quadruplet guiding mechanism, quadruplet flange fixing installation, four ejector spring 3-9, die 3-16, drift guide pin bushing 3-17 and two plate washer 3-15 from top to bottom; Every cover guiding mechanism comprises accurate guide pillar 3-4, and every cover flanging device comprises pressure-pad-force spring 3-12, pressure-pad-force double-screw bolt 3-11, pressure-pad-force screw 3-14 and back-up ring 3-13; Ground floor I, second layer II, the 3rd layer of III from top to bottom set gradually, and cope match-plate pattern 3-3 is connected with the lower surface of the main shaft cramping body 2-7 of fine electric spark axis system 2; The rotary main shaft chuck 2-9 of the lower end of rotary main shaft 2-6 is positioned at the spindle through-hole 3-3-1 that the upper center of cope match-plate pattern 3-3 has; The center of intermediate pads 3-5 is provided with the intermediate pads through hole 3-5-1 that the drift 2-8 of little shaping dies can pass, the below of intermediate pads through hole 3-5-1 be provided with drift guide pin bushing 3-17, described drift guide pin bushing 3-17 is installed on the holding pad 3-10, and the die 3-16 that is positioned under the drift guide pin bushing 3-17 is installed on the die block 3-7; The quadruplet guiding mechanism is uniform to be arranged between main shaft cramping body 2-7 lower surface and the die shoe 3-8, the lower end of each accurate guide pillar 3-4 is packed on the die block 3-7, each accurate guide pillar 3-4 passes second layer II, can match with the guide pin bushing 2-15 on the main shaft cramping body 2-7 in the upper end of each accurate guide pillar 3-4; The quadruplet flange fixing installation is uniform to be arranged between cope match-plate pattern 3-3 and the holding pad 3-10, each pressure-pad-force double-screw bolt 3-11 passes holding pad 3-10, intermediate pads 3-5 from the bottom to top successively, and the nut on the pressure-pad-force double-screw bolt 3-11 withstands on the shoulder of the nut shoulder hole 3-10-1 on the holding pad 3-10, by back-up ring 3-13 and pressure-pad-force screw 3-14 pressure-pad-force spring 3-12 is sleeved on the pressure-pad-force double-screw bolt 3-11, pressure-pad-force screw 3-14 is threaded with pressure-pad-force double-screw bolt 3-11; Offer four flange fixing installation shoulder hole 3-3-2 at cope match-plate pattern 3-3, directly over every cover flanging device corresponding to a flange fixing installation shoulder hole 3-3-2, when ground floor I was descending, the shoulder on the flange fixing installation shoulder hole 3-3-2 contacted with the upper surface of corresponding back-up ring 3-13; Four ejector spring 3-9 are between second layer II and the 3rd layer of III, and uniform being arranged on the die block 3-7; Die block 3-7 both sides respectively are fixed with a plate washer 3-15, and the extended length of ejector spring 3-9 and baffle plate 3-15 determine the distance between die block 3-7 and the holding pad 3-10 jointly.Other composition and annexation are identical with the specific embodiment three.
The specific embodiment five: shown in Fig. 1～10, in the present embodiment, every group of inner guide pulley 5-5 is made of two inner guide pulley 5-5.Other composition and annexation are identical with the specific embodiment one.
Claims (5)
1. little shaping dies original position manufacturing installation based on discharging grinding and paring of line electrode, described device comprises XY precise mobile platform (1), fine electric spark axis system (2), little shaping dies (3) and high-resolution CCD vision system (4); Line electrode and feeding transmission system (5) are arranged on the top of XY precise mobile platform, and high-resolution CCD vision system (4) also is fixed on the XY precise mobile platform (1); The position consistency that height and the drift (2-8) of little shaping dies (3) of fine electric spark axis system (2) are set of XY precise mobile platform (1); Fine electric spark axis system (2) is arranged on the top of little shaping dies (3); It is characterized in that: described device also comprises line electrode and the feeding transmission system (5) that is installed on the XY precise mobile platform (1);
Line electrode and feeding transmission system (5) comprise line electrode (5-1), line electrode guide plate (5-2), active outer guide wheel (5-3), driven outer guide wheel (5-4) and two groups of inner guide pulleys (5-5), two groups of inner guide pulleys (5-5) are symmetrical and be installed in the upper both sides of upper axle (1-1) of XY precise mobile platform (1), the front end of described upper axle (1-1) is equipped with line electrode guide plate (5-2), initiatively outer guide wheel (5-3) and driven outer guide wheel (5-4) also are installed on the XY precise mobile platform (1), initiatively outer guide wheel (5-3) is connected with the output shaft of an electric rotating machine, and line electrode (5-1) is wrapped in initiatively outer guide wheel (5-3) successively, one group of inner guide pulley (5-5) of active outer guide wheel (5-3) homonymy, line electrode guide plate (5-2), another organizes inner guide pulley (5-5), driven outer guide wheel (5-4); Initiatively outer guide wheel (5-3) rotates under the effect of electric rotating machine, by the initiatively movement of outer guide wheel (5-3) and driven outer guide wheel (5-4) realization line electrode; Under the guiding of two groups of inner guide pulleys (5-5) and line electrode guide plate (5-2), realize the line electrode stable drive; Line electrode and feeding transmission system (5) are used for original position processing or repair the drift (2-8) of little shaping dies, and the guide pin bushing (2-15) in the outer of main shaft cramping body (2-7) lower end is connected with four accurate guide pillars (3-4) on little shaping dies (3); The drift (2-8) of the rotary main shaft (2-6) of fine electric spark axis system (2), little shaping dies (3) and die (3-16) three's of little shaping dies (3) center is coaxial.
2. a kind of little shaping dies original position manufacturing installation based on discharging grinding and paring of line electrode according to claim 1, it is characterized in that: the cross section of the drift (2-8) of described little shaping dies (3) is triangle, quadrangle or hexagon.
3. a kind of little shaping dies original position manufacturing installation based on discharging grinding and paring of line electrode according to claim 1 and 2, it is characterized in that: described fine electric spark axis system 2 comprises direct current generator (2-1), direct current generator belt wheel (2-2), direct current generator connecting plate (2-5), rotary main shaft (2-6), driven pulley (2-4), main shaft cramping body (2-7), carbon brush (2-3), rotary main shaft chuck (2-9), spindle insulating plate (2-10) and main shaft fixed support (2-12); The lower end of rotary main shaft (2-6) is provided with the rotary main shaft chuck (2-9) for the drift (2-8) of fixing little shaping dies to be processed, direct current generator (2-1) (passing through screw) is fixed on the direct current generator connecting plate (2-5), rotary main shaft (2-6) is fixed in main shaft cramping body (2-7) by main shaft compressing member 2-13 and spring leaf, and the upper ends of rotary main shaft (2-6) is in the centre bore of carbon brush (2-3); Main shaft cramping body (2-7), carbon brush (2-3) are bolted on the spindle insulating plate (2-10), direct current generator belt wheel (2-2) links to each other to realize main shaft rotation in the fine electric spark process with the driven pulley (2-4) that is installed in rotary main shaft (2-6) upper end by belt, and spindle insulating plate (2-10) is bolted on the main shaft fixed support (2-12); Main shaft fixed support (2-12) is realized accurately locating with the position of main shaft cramping body (2-7) by pin.
4. a kind of little shaping dies original position manufacturing installation based on discharging grinding and paring of line electrode according to claim 3, it is characterized in that: described little shaping dies (3) adopts split-type structural, comprises the ground floor (I) that is made of cope match-plate pattern (3-3), the second layer (II) that is consisted of by the from top to bottom stacked and intermediate pads (3-5) that is fixed together and holding pad (3-10), by die block (3-7) and die shoe (3-8) stacked and that be fixed together consist of the 3rd layer (III) from top to bottom, the quadruplet guiding mechanism, the quadruplet flange fixing installation, four ejector springs (3-9), die (3-16), drift guide pin bushing (3-17) and two plate washers (3-15); Every cover guiding mechanism comprises accurate guide pillar (3-4), and every cover flanging device comprises pressure-pad-force spring (3-12), pressure-pad-force double-screw bolt (3-11), pressure-pad-force screw (3-14) and back-up ring (3-13); Ground floor (I), the second layer (II), the 3rd layer (III) from top to bottom set gradually, and cope match-plate pattern (3-3) is connected with the lower surface of the main shaft cramping body (2-7) of fine electric spark axis system (2); The rotary main shaft chuck (2-9) of the lower end of rotary main shaft (2-6) is positioned at the spindle through-hole (3-3-1) that the upper center of cope match-plate pattern (3-3) has; The center of intermediate pads (3-5) is provided with the intermediate pads through hole (3-5-1) that the drift (2-8) of little shaping dies can pass, the below of intermediate pads through hole (3-5-1) be provided with drift guide pin bushing (3-17), described drift guide pin bushing (3-17) is installed on the holding pad (3-10), and the die (3-16) that is positioned under the drift guide pin bushing (3-17) is installed on the die block (3-7);
The quadruplet guiding mechanism is uniform to be arranged between main shaft cramping body (2-7) lower surface and the die shoe (3-8), the lower end of each accurate guide pillar (3-4) is packed on the die block (3-7), each accurate guide pillar (3-4) passes the second layer (II), can match with the guide pin bushing 2-15 on the main shaft cramping body (2-7) in the upper end of each accurate guide pillar (3-4);
The quadruplet flange fixing installation is uniform to be arranged between cope match-plate pattern (3-3) and the holding pad (3-10), each pressure-pad-force double-screw bolt (3-11) passes holding pad (3-10) from the bottom to top successively, intermediate pads (3-5), and the nut on the pressure-pad-force double-screw bolt (3-11) withstands on the shoulder of the nut shoulder hole (3-10-1) on the holding pad (3-10), by back-up ring (3-13) and pressure-pad-force screw (3-14) pressure-pad-force spring (3-12) is sleeved on the pressure-pad-force double-screw bolt (3-11), pressure-pad-force screw (3-14) is threaded with pressure-pad-force double-screw bolt (3-11); Offer four flange fixing installation shoulder holes (3-3-2) at cope match-plate pattern (3-3), directly over every cover flanging device corresponding to a flange fixing installation shoulder hole (3-3-2), when ground floor (I) was descending, the shoulder on the flange fixing installation shoulder hole (3-3-2) contacted with the upper surface of corresponding back-up ring (3-13);
Four ejector springs (3-9) are positioned between the second layer (II) and the 3rd layer (III), and uniform being arranged on the die block (3-7); Die block (3-7) both sides respectively are fixed with a plate washer (3-15), and the extended length of ejector spring (3-9) and baffle plate (3-15) determine the distance between die block (3-7) and the holding pad (3-10) jointly.
5. a kind of little shaping dies original position manufacturing installation based on discharging grinding and paring of line electrode according to claim 1, it is characterized in that: every group of inner guide pulley (5-5) is made of two inner guide pulleys (5-5).
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| CN2012105044308A CN102974903A (en) | 2012-11-30 | 2012-11-30 | Micro-forming die in-situ manufacture device based on wire electrode discharging grinding |
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| CN2012105044308A CN102974903A (en) | 2012-11-30 | 2012-11-30 | Micro-forming die in-situ manufacture device based on wire electrode discharging grinding |
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| CN106238841A (en) * | 2016-08-31 | 2016-12-21 | 江苏塞维斯数控科技有限公司 | Middle wire-moving cutting machine movement wire system molybdenum filament intelligent compensation system and compensation method |
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| CN103264338A (en) * | 2013-05-31 | 2013-08-28 | 上海交通大学 | Grinding device for line electrode |
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| CN103600146A (en) * | 2013-10-18 | 2014-02-26 | 清华大学 | Precision electric grinding process for fuel injector tiny ball seat surface of high-pressure common-rail diesel engine |
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| CN106334846A (en) * | 2016-08-31 | 2017-01-18 | 江苏塞维斯数控科技有限公司 | Intelligent optical automatic threading system and method for medium-speed wire-cut electrical discharge machine |
| CN106334846B (en) * | 2016-08-31 | 2018-12-28 | 江苏塞维斯数控科技有限公司 | Middle wire wire cutting machine intelligent optical automatic wire feed device and wear a method |
| CN106238841B (en) * | 2016-08-31 | 2019-07-02 | 江苏塞维斯数控科技有限公司 | Middle wire wire cutting machine movement wire system molybdenum filament intelligent compensation system and compensation method |
| CN111220487A (en) * | 2019-02-18 | 2020-06-02 | 义乌市易开盖实业公司 | Device and method for detecting impact resistance of material coating |
| CN111220487B (en) * | 2019-02-18 | 2023-11-03 | 义乌市易开盖实业公司 | Material coating impact resistance detection device and method |
| CN114719778A (en) * | 2022-06-07 | 2022-07-08 | 四川中绳矩阵技术发展有限公司 | Data acquisition platform suitable for three-dimensional image acquisition and acquisition method thereof |
| CN115213503A (en) * | 2022-09-20 | 2022-10-21 | 扬州市职业大学(扬州开放大学) | Wire cutting equipment with grinding process |
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Application publication date: 20130320 |