CN103401374A - Elevator motor stator iron core press fitting machine formed by laminated rivet sector piece blocks - Google Patents
Elevator motor stator iron core press fitting machine formed by laminated rivet sector piece blocks Download PDFInfo
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- CN103401374A CN103401374A CN2013103277187A CN201310327718A CN103401374A CN 103401374 A CN103401374 A CN 103401374A CN 2013103277187 A CN2013103277187 A CN 2013103277187A CN 201310327718 A CN201310327718 A CN 201310327718A CN 103401374 A CN103401374 A CN 103401374A
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Abstract
The invention relates to a motor stator iron core, in particular to an elevator motor stator iron core press fitting machine formed by laminated rivet sector piece blocks. A spindle centering neck and an end surface which are cooperated with a tool on the press fitting machine have a favorable precision requirement; the precision allowance of the radial run-out and the end face run-out of the spindle centering neck is 0.03; the perpendicularity allowance of the center line of the spindle and the upper plane of a working table top is 0.03/300; meanwhile, a turbine pair is designed on the spindle and is driven by a stepping motor to carry out equant rotation with favorable automatic rotation equant precision; designed vertical press fitting machine spindle cylinders are rigidly connected; the lower end cover of an oil cylinder is provided with a centralized oil inlet shaft bearing hole; a centralized oil inlet shaft is fixedly arranged on a bottom plate to ensure that an oil inlet pipe is stationary while the oil cylinder rotates along with the spindle. The press fitting machine designed by the invention has the advantages of favorable precision and wide hydraulic pressure aligning range, has a maneuvering rotation function under the pressing, loosening and pressing states, and is convenient for designing various stator iron core laminating press fitting tools formed by the laminated rivet sector piece blocks.
Description
Technical field
The present invention relates to electric machine stator iron, particularly relate to a kind of elevator motor unit stator iron core pressing machine that is formed by several folded riveting fanning strip pieces.
Background technology
Along with the quickening of domestic and international development in science and technology paces, all trades and professions high-tech product novel designs emerges in an endless stream, and the design of electrical motor industry is no exception; The elevator motor stator core, by grading, rush to the folded riveting of stamping-out and become the form a whole novel designs version of stator core of 6 or 8 fanning strip pieces, has demonstrated fully scientific and technological progress; It has, and cost is low, the measured absolute predominance of matter, its product quality required precision is high, large in batches, as the electric machine rotor professional production enterprise that makes unshakable in one's determination, the electric machine stator iron that meets the advanced design specification requirement for the elevator motor manufacturing for the design of world's advanced technology, must be in the electric machine stator iron laminating tool that the folded riveting fanning strip piece of design forms, the design laminating apparatus, the needs that laminate, weld with the electric machine stator iron that is formed by folded riveting fanning strip piece that meets all kinds, all size; In light of this situation, must design vertical press-mounting machine, vertical press-mounting machine can compress, unclamp, and automatic rotary equation graduation function under impaction state guarantees press-fitting tool design accuracy and the design of being convenient to welding manipulator on pressing machine.
Summary of the invention:
The objective of the invention is to design the suitable unit stator iron core pressing machine that is formed by several folded riveting fanning strip pieces, meet the electric machine stator iron press-fitting tool that is formed by several folded riveting fanning strip pieces of all kinds, all size, guarantee the precision of laminating tool, meet simultaneously the designing requirement of welding manipulator on pressing machine, produce qualified electric machine stator iron product.
According to become the requirement that laminates of electric machine stator iron by several folded riveting fanning strip piece closed assemblies, the version of design unit stator iron core pressing machine be vertically press-fit, the pull-down pressing machine.
The vertical press-mounting machine of design is hydraulic test.Vertical press-mounting machine has compression, unclamps, workpiece rotating function together with main shaft, oil cylinder under impaction state, and pressing machine pressure is adjustable between 0 ~ 40 ton.
the main shaft centering neck and the end face that coordinate with frock on the vertical press-mounting machine main shaft of design have good required precision, main shaft centering neck circular runout and end face run-out precision franchise 0.03, plane verticality franchise 0.03/300 on spindle centerline and work top, the design turbine is paid on main shaft simultaneously, by minute revolutions such as stepping motor drives, good automatic rotary halving precision is arranged, be convenient to the design of the electric machine stator iron laminating tool that is formed by several folded riveting fanning strip pieces and the design of welding manipulator, the vertical press-mounting machine main shaft oil cylinder of design is rigidly connected, oil-feed axle bearing hole is concentrated in design on the oil cylinder bottom end cover, concentrate the oil-feed axle to be fixed on base plate, while guaranteeing that oil cylinder rotates with main shaft, oil inlet pipe maintains static.
The technical solution used in the present invention
The design vertical press-mounting machine, vertical press-mounting machine comprises upper table, press body, column, base plate, fuel tank and Hydraulic Station.
The upper table Center has spindle bearing holder by the dress hole, and spindle bearing holder is vertical with the upper table plane by the center line in dress hole, and by the dress screw, the upper table two ends are provided with four columns by the dress hole in upper table bottom surface design worm shaft bearing.
Press body comprises main shaft gyration transmission mechanism, oil cylinder and concentrated oil-feed rear bearing slew gear.
The design of main shaft gyration transmission mechanism comprises spindle bearing holder, main shaft, main shaft bearing, worm gear; Spindle bearing holder is arranged on spindle bearing holder by in the dress hole, and main shaft is assemblied in spindle bearing holder by 2 main shaft bearings, and worm gear is installed on main shaft, with the worm engaging on the worm shaft bearing, forms worm gear, guarantees the main shaft automatic rotary.
Oil cylinder comprises oil cylinder upper end cover, cylinder block and oil cylinder bottom end cover, the main shaft lower end is fixedly connected with oil cylinder connecting plate, oil cylinder upper end cover with main shaft, be provided with through hole in main shaft, the through hole that piston rod passes in main shaft is connected with the piston that is positioned at cylinder block, and piston is divided into upper cylinder half and lower cylinder with cylinder block.
Concentrate oil-feed rear bearing slew gear to comprise and concentrate oil-feed axle plain bearing housing, concentrate oil-feed axle, rolling bearing and plane bearing, concentrate the 18 dress sealings of oil-feed axle, together with rolling bearing 15, plane bearing 17, pack into and concentrate on oil-feed axle plain bearing housing 16; Concentrate the 16 design sealings of oil-feed axle plain bearing housing, the oil cylinder bottom end cover of packing into is fastening; Concentrate oil-feed axle 18 by concentrating oil-feed axle connecting plate 19 location to be fastened on base plate 29; Concentrate oil-feed axle plain bearing housing 16 endoporus and external diameter to have the upper cylinder half oil-feed tank, connect with oil cylinder bottom end cover 14 upper cylinder half fuel feed holes, by the sealing of standard design O-ring seals; Concentrate on oil-feed axle 18 and have upper cylinder half fuel feed hole and lower cylinder fuel feed hole; The oil-feed of upper cylinder half fuel feed hole is by concentrating oil-feed axle 18 by concentrating the upper cylinder half oil-feed tank on oil-feed axle plain bearing housing 16 to enter oil cylinder bottom end cover 14, by the upper cylinder half fuel feed hole oil-feed cylinder upper cylinder half of cylinder block 10, oil cylinder upper end cover 8, under oil cylinder, the cylinder oil-feed is directly from concentrating the oil-feed axle to enter.
Connect by four root posts between upper table and base plate, upper table face, press body, base plate are rigidly connected, and design levelling nut 31, be positioned at the upper table lower end on four columns 30,, by levelling nut 31 levelling upper table faces, guarantee that the upper table face is parallel with base plate plane.
Described worm shaft bearing, boring processing two worm bearing holes are concentric on bearing pedestal, with stepping motor binding end dead eye Position Design stepping motor location hole step, end face processing is vertical with the worm bearing hole; Design stepping motor worm screw adapter sleeve, the stepping motor worm screw connects bearing set and is installed in worm shaft bearing and stepping motor binding end dead eye, and the worm screw one end stepping motor worm screw adapter sleeve of packing into, the other end fill the bearing bearing pedestal other end dead eye of packing into; Worm bearing adopts 2 taper roll bearings, presses the assembling of index plane opposite; The design bearing (ball) cover, levelling worm screw two bearings gap, stepping motor is with centering step location, the shaft worm screw stepping motor adapter sleeve of packing into, stepping motor is fastened on the worm shaft bearing.
The assembling of worm gear pairs: the spindle bearing holder that will assemble is packed into above upper table in the spindle bearing holder hole, the worm shaft bearing that will assemble after bolted is assemblied in below upper table the worm shaft bearing by the dress screw hole parts, by standard levelling worm gear worm backlash, reliable rear trip bolt; Bore, cut with scissors the 2-taper pin-hole, dress taper pin location, guarantee the main shaft gyration halving precision.
The principal shaft locking that adjustment main shaft and worm gear precision be housed on described main shaft one end near main shaft and the oil cylinder connecting plate nut of inserting.
The design main shaft, main shaft external diameter main shaft bearing axle journal, worm gear axle journal, tool locating axle journal, main shaft are coaxial with oil cylinder connecting plate 7 locating journals, and each end face is vertical with external diameter; Design worm gear axle journal is identical with main shaft bearing journal size and tolerance, and base bearing and worm gear are together by the nut levelling precision of inserting; Inner hole of spindle design through hole, by the dress hole, the dress piston rod guide sleeve, guarantee that piston rod guide sleeve is concentric with the main shaft external diameter at tool locating axle journal end boring piston rod guide sleeve; During assembling, first main shaft, main shaft bearing are assemblied in spindle bearing holder, main shaft bearing adopts 2 back-to-back standard assemblings of taper roll bearing; Then fill worm gear, dress locking nut, levelling main shaft precision, reliable rear locking nut locking.
By the standard design oil cylinder, main shaft is rigidly connected oil cylinder and main shaft by main shaft and oil cylinder connecting plate, design concentrates oil-feed axle rolling bearing hole and plain bearing housing by the dress hole on the bottom end cover of oil cylinder, and design concentrates oil-feed axle, plain bearing housing and rolling bearing, plane bearing to be assemblied in together on the oil cylinder bottom end cover; Concentrate the oil-feed axle fixedly to be assemblied on base plate by connecting plate.
The main shaft of design, oil cylinder, concentrated oil-feed axle guarantee on the same straight line of spindle centerline, concentricity franchise 0.05; The design base plate, be designed with on base plate and concentrate the oil-feed axle fastening screw in location and four stud location holes; Design four columns upper table and base plate are rigidly connected, four column bottoms on base plate, guarantee that four columns are vertical with base plate by positioning welding, and upper table, by levelling nut levelling on four columns, guarantees main shaft, oil cylinder, concentrates oil-feed axle precision; Locate fastening screw and be by concentrate that oil-feed axle connecting plate and base plate link together by the dress screw, be used for by the concentrated oil-feed axle connecting plate of dress.
Design Hydraulic Station, Hydraulic Station fuel tank; The design fuel tank is installed on base plate, and the Hydraulic Station design covers at fuel tank; Design Hydraulic Station assurance pressing machine is suppressed downwards, is upwards unclamped, and pressure is adjustable between 0 ~ 40t, and pressure regulation is convenient and reliable, indicating correct.
Description of drawings
Fig. 1 is by the folded riveting fanning strip block structure schematic diagram of grading monolithic of pressing in a state of excitement folded riveting to make;
Fig. 2 is a kind of electric machine stator iron product structure schematic diagram that is become by six folded riveting fanning strip block weldings;
Fig. 3 is folded riveting fanning strip unit stator iron core pressing machine assembly structure schematic diagram;
Fig. 4 is worm shaft bearing installation diagram;
in figure: 1, upper table, 2, spindle bearing holder, 3, main shaft, 4, main shaft bearing, 5, worm gear, 6, the principal shaft locking nut of inserting, 7, main shaft and oil cylinder connecting plate, 8, the oil cylinder upper end cover, 9, cylinder piston rod shaft sealing shroud, 10, cylinder block, 11, piston rod, 12, piston, 13, nut, 14, the oil cylinder bottom end cover, 15, rolling bearing, 16, concentrate oil-feed axle plain bearing housing, 17, plane bearing, 18, concentrate the oil-feed axle, 19, concentrate oil-feed axle connecting plate, 20, the main shaft bearing seal cover, 21, the main shaft piston rod guide sleeve, 22, the tool locating plate, 23, the piston rod clamp nut, 24, the worm shaft bearing, 25, worm screw, 26, stepping motor worm screw adapter sleeve, 27, bearing, 28, bearing (ball) cover, 29, stepping motor, 30, base plate, 31, four columns, 32, the levelling nut, 33, fuel tank, 34, Hydraulic Station.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
as shown in Figure 3, the present invention is the electric machine stator iron pressing machine that is comprised of several folded riveting fanning strip pieces, by upper table 1, spindle bearing holder 2, main shaft 3, main shaft bearing 4, worm gear 5, the principal shaft locking nut 6 of inserting, main shaft and oil cylinder connecting plate 7, oil cylinder upper end cover 8, cylinder piston rod shaft sealing shroud 9, cylinder block 10, piston rod 11, piston 12, nut 13, oil cylinder bottom end cover 14, rolling bearing 15, concentrate oil-feed axle plain bearing housing 16, plane bearing 17, concentrate oil-feed axle 18, concentrate oil-feed axle connecting plate 19, main shaft bearing seal cover 20, main shaft piston rod guide sleeve 21, tool locating plate 22, piston rod clamp nut 23, worm shaft bearing 24, worm screw 25, stepping motor worm screw adapter sleeve 26, bearing 27, bearing cap 28, stepping motor 29, base plate 30, four columns 31, levelling nut 32, fuel tank 33, Hydraulic Station 34 forms.
Design upper table 1, on upper table 1 design worm shaft bearing 24 by the dress screw, by standard design on upper table spindle bearing holder 2 by the dress hole, spindle bearing holder 2 vertical with the upper plane cylindrical of upper table 1 by filling centerline hole; Design four columns 31 by the dress hole, design spindle bearing holder 2, the spindle bearing holder 2 of the endoporus of spindle bearing holder 2 and upper table 1 concentric by filling the cylindrical of being combined in hole, vertical with end face; Design main shaft 3, each step of the external diameter of main shaft 3 comprises: the axle journal of the axle journal of main shaft bearing 4, worm gear 5, the tool locating diameter of axle, main shaft are concentric with the locating journal of oil cylinder connecting plate 7, and each step end face is vertical with the main shaft cylindrical; The axle journal of design main shaft bearing 4 is identical with the journal size of worm gear 5, and while being convenient to assemble, main shaft bearing is aligned precision by insert nut 6 of principal shaft locking together with worm gear; The endoporus through hole of main shaft 3 the tool locating diameter of axle one end design piston rod guide sleeve 21 by the dress hole, piston rod guide sleeve 21 concentric with the main shaft cylindrical by the dress hole; Design main shaft bearing 4, main shaft bearing 4 adopts 2 taper roll bearings by the back-to-back assembling of standard; Design worm gear 5 is installed on main shaft 3, with the worm screw 25 on worm shaft bearing 24, forms worm gear, guarantees the main shaft automatic rotary; The purpose of design locking nut 6 be for 5 assemblings of main shaft 3, main shaft bearing 4, worm gear complete after levelling main shaft precision; Design main shaft and oil cylinder connecting plate 7, endoporus is vertical with both ends of the surface, is installed on the axle journal of the main shaft of main shaft 3 and oil cylinder connecting plate, and after assurance main shaft 3 and oil cylinder were rigidly connected, main shaft 3 was coaxial with oil cylinder.
The design oil cylinder: oil cylinder is by oil cylinder upper end cover 8, cylinder piston rod shaft sealing shroud 9, and cylinder block 10, piston rod 11, piston 12, nut 13, oil cylinder bottom end cover 14 forms; Design oil cylinder upper end cover 8, on upper end cover, pressing of design cylinder piston rod sealing shroud 9 fills hole, and the main shaft by dress hole dimension and main shaft lower end of cylinder piston rod sealing shroud 9 and the centering axle journal of oil cylinder connecting plate 7 are measure-alike, interference fits; Sealing shroud is combined positioning boss by the dress hole with oil cylinder concentric, and is vertical with both ends of the surface; Cylinder piston rod shaft sealing shroud 9 design sealing be installed in oil cylinder upper end cover 8 cylinder piston rod sealing shroud 9 by in the dress hole, by main shaft 3 centering, main shaft oil cylinder connecting plate 7 is fastening; Design respectively the upper cylinder half fuel feed hole on oil cylinder upper end cover 8, cylinder block 10 and oil cylinder bottom end cover 14, junction design sealing, guarantee that the upper cylinder half oil-feed is unimpeded; Design cylinder block 10, endoporus is concentric with cylindrical, vertical with both ends of the surface; Design piston rod 11, piston 12: design Yx sealing ring on piston 12; Piston rod design sealing, in the cylinder block 10 of packing into after being fastened in piston 12 holes by nut 13; Design oil cylinder bottom end cover 14: oil cylinder bottom end cover bore design rolling bearing 15 reaches concentrates the coaxial with the positioning step of cylinder block 10 combinations by dress hole and oil cylinder bottom end cover 14 of oil-feed axle plain bearing housing 16, pressing of rolling bearing 15 fills the concentric by the dress hole of hole and concentrated oil-feed axle plain bearing housing 16, and be vertical with oil cylinder bottom end cover up and down both ends of the surface; Oil-feed axle plain bearing housing 16 is concentrated in design, concentrates oil-feed axle plain bearing housing 16 endoporus and external diameter design upper cylinder half oil-feed tank, connects with oil cylinder bottom end cover 14 upper cylinder half fuel feed holes, by the sealing of standard design O-ring seals; Oil-feed axle 18 is concentrated in design, design upper cylinder half fuel feed hole and lower cylinder fuel feed hole on concentrated oil-feed axle 18; The oil-feed of upper cylinder half fuel feed hole is by concentrating oil-feed axle 18 by concentrating the upper cylinder half oil-feed tank on oil-feed axle plain bearing housing 16 to enter oil cylinder bottom end cover 14, by cylinder block 10, oil cylinder upper end cover 8 upper cylinder half fuel feed hole oil-feed cylinder upper cylinder halfs, under oil cylinder, the cylinder oil-feed is directly from concentrating the oil-feed axle to enter; Rolling bearing step, sliding bearing step, connecting plate and base plate positioning step on concentrated oil-feed axle 18 designs with one heart, end face is vertical; Concentrate the 18 dress sealings of oil-feed axle, together with rolling bearing 15, plane bearing 17, pack into and concentrate on oil-feed axle plain bearing housing 16; Concentrate the 16 design sealings of oil-feed axle plain bearing housing, the oil cylinder bottom end cover of packing into is fastening; Concentrate oil-feed axle 18 by concentrating oil-feed axle connecting plate 19 location to be fastened on base plate 29.
Design main shaft bearing seal cover 20, be assemblied on spindle bearing holder 2, keeps the bearing cleaning; Design piston rod guide sleeve 21 is assemblied in main shaft 3 piston rod guide sleeves 21 by in the dress hole, its objective is that assurance piston rod up and down traffic direction and main shaft 3 centering neck end faces are vertical, and while guaranteeing the stator core compacting, pressure is even; Design tool locating plate 22 is assemblied on main shaft 3 centering necks, the upper and lower plane parallel of design tool locating plate; After loading onto main shaft 3, end face run-out meets standard, is convenient to the design of press-fitting tool by dress; Design piston rod clamp nut 23, on piston rod top, guarantees Work-sheet pressing, unclamps action.
Design worm shaft bearing 24, worm screw 25, worm screw stepping motor adapter sleeve 26, bearing 27, bearing (ball) cover 28, stepping motor 29 form worm gear with the worm gear 5 on main shaft, as the revolution divided device of main shaft; On worm shaft bearing 24 2 worm bearings 27 of boring by the dress hole, in the positioning step hole by dress stepping motor 29 1 ends processing stepping motors 29,2 worm bearings 27 are concentric with stepping motor 29 positioning step holes by the dress hole, both ends of the surface are vertical; Design worm screw stepping motor adapter sleeve 26, the worm screw stepping motor fills a bearing 27, is positioned at the worm screw stepping motor adapter sleeve endoporus of dead eye of stepping motor one end in worm shaft bearing 24 by dress worm screw 25, worm screw 25 other ends dress another bearings 27; Worm bearing adopts 2 taper roll bearings, and assembling face-to-face, by bearing (ball) cover 28 levelling worm shaft end plaies; Stepping motor 29 is with positioning boss centering, and shaft is assemblied in worm screw stepping motor adapter sleeve 26 axis holes, and stepping motor 29 is fixed on worm shaft bearing 24; After worm shaft bearing 24, worm screw 25, worm screw stepping motor adapter sleeve 26, bearing 27, bearing cap 28, stepping motor 29 assemblings are completed, worm shaft bearing 24 is assemblied in the upper table below, the levelling worm gear worm backlash, correct reliable after, the worm shaft bearing is fastened on upper table 1; Dress taper pin location, worm and gear main shaft gyration divided device guarantees the automatic decile revolute function of pressing machine of the present invention, and is ready for design automatic welding machinery hand on pressing machine.
Design base plate 30, on base plate 30, the positioning screw hole of design four columns 31 and concentrated oil-feed axle 18 are by the dress location hole, and position degree is the same by the position degree in dress hole with four stud location holes, spindle bearing holder on upper table 1.
Design four columns 31, design four root posts 31 are rigidly connected upper table 1, press body, base plate 30; Design levelling nut 32 on four columns 31,, by levelling nut 32 levelling upper table faces, guarantee that the upper table face is parallel with base plate plane, and main shaft 3 is concentric with concentrated oil-feed axle 18, and levelling plane bearing 17 is that gap guarantees required precision.
In sum, after design pressure owner's body and upper table 1 fit together, by four columns 31, with base plate 30, combine, have enough strength and stiffness; 3 main shafts of press body, oil cylinder are rigidly connected, and concentrate oil-feed axle 18 to be fixed on base plate 30, guaranteed main shaft 3, have concentrated oil-feed axle 18 coaxial, and be vertical with plane on the upper plane of upper table 1 and base plate; The oil cylinder upper end is with main shaft 3 revolutions, and the oil cylinder lower end is at concentrated oil-feed axle 18 upper rotaries; Because concentrated oil-feed axle 18 is fixed on base plate 30, thus oil cylinder during with main shaft 3 automatic rotary oil inlet pipe maintain static.
The design hydraulic system: design fuel tank 33 is fixed on base plate 30, and Hydraulic Station 34 designs are on fuel tank 33 tops; Hydraulic Station 34 comprises oil pump, motor, oil filter, overflow valve, Pressure gauge, 3-position 4-way solenoid directional control valve; The design hydraulic manifold block is installed in overflow valve, Pressure gauge, 3-position 4-way solenoid directional control valve together; Motor, oil pump provide pressure oil:, by relief valve pressure regulating, after being indicated to and being required pressure by Pressure gauge, through the 3-position 4-way solenoid directional control valve, enter respectively forcing press upper cylinder half, lower cylinder through the pressure oil of oil filter cleaning, complete compressions, unclamp, pressurize moves.
Concrete operations are described as follows:
1, design is met electric machine stator iron press-fitting tool that several folded riveting fanning strip pieces form and load onto the centering neck location of pressing machine main shaft 3 of the present invention, bolt tightens reliably at tool locating plate 22.
2, closed assembly: the laminating tool main body should be designed to rise and move back version, and closed assembly under releasing orientation, with laminating tool on 6 or 8 folded riveting fanning strip piece closed assemblies, tensioner, is clapped; Laminating tool main body outside dimension after tensioner should be measure-alike with folded riveting fanning strip piece inner circle; Stator core after closed assembly checks at the frock upper rotary, the reliable rear compacting of preparing.
3, compacting: after closed assembly is reliable, dress frock pressing plate, dress piston rod clamp nut 23 rear startup oil pumps, press the compacting button; At this moment 1CT obtain electric, the 2CT dead electricity, pressure oil enters upper cylinder half, piston rod 11 is descending, workpiece pressing; Under impaction state, the automatic rotary inspection is by the electric machine stator iron circle end face precision that folded riveting fanning strip piece forms, and rear preparation welding meets the requirements.
4, welding: be welded under the Work-sheet pressing state and carry out, the argon arc welding welding manner is adopted in welding, and divide 2 kinds: a kind of is manual weldering, and a kind of is the welding manipulator welding; While manually welding, workpiece is motor-driven revolution welding on pressing machine; While adopting welding manipulator, pressing machine automatic rotary calibration,, with the interlock of automatic welding machinery hand, guarantee welding precision.
5, the demoulding: crawl release button during the demoulding, 1CT dead electricity at this moment, 2CT obtains electric, pressure oil through solenoid directional control valve by concentrating 18 times cylinder fuel feed holes of oil-feed axle to enter lower cylinder; Oil cylinder piston 12 is up, unclamps, takes off piston rod clamp nut 23, takes off the frock pressing plate, unclamps frock main body tightening plate, and the electric machine stator iron that compacting has been welded is deviate from frock.
The vertical press-mounting machine of the present invention's design has changed domestic and international vertical press-mounting machine only to be responsible for compressing, unclamping action, and during welding, the workman is round the Design Mode of pressing machine rotating welding; The electric machine stator iron pressing machine that is comprised of the folded riveting piece of several fanning strips of the present invention's design has good precision, has simultaneously compression, unclamps and motor-driven revolute function under impaction state; Hydraulic pressure levelling scope is large, is convenient to the design of the various stator core laminating tools that are comprised of several folded riveting fanning strip pieces; The vertical press-mounting machine of the design of the present invention simultaneously has automatic rotary equation graduation function, is convenient to the design of automatic welding machinery hand, has improved the electric machine stator iron workmanship that is comprised of several folded riveting fanning strip pieces.
Claims (7)
1. elevator motor unit stator iron core pressing machine that is formed by folded riveting fanning strip piece, it is characterized in that: described pressing machine comprises upper table, press body, column, base plate, fuel tank and Hydraulic Station; The upper table Center has spindle bearing holder by the dress hole, and spindle bearing holder is vertical with the upper table plane by the center line in dress hole, and by the dress screw, the upper table two ends are provided with four columns by the dress hole in upper table bottom surface design worm shaft bearing; Press body comprises main shaft gyration transmission mechanism, oil cylinder and concentrated oil-feed rear bearing slew gear; The main shaft gyration transmission mechanism comprises spindle bearing holder, main shaft, main shaft bearing, worm gear; Spindle bearing holder is arranged on spindle bearing holder by in the dress hole, and main shaft is assemblied in spindle bearing holder by 2 main shaft bearings, and worm gear is installed on main shaft, with the worm engaging on the worm shaft bearing, forms worm gear, guarantees the main shaft automatic rotary; Oil cylinder comprises oil cylinder upper end cover, cylinder block and oil cylinder bottom end cover, the main shaft lower end is fixedly connected with oil cylinder connecting plate, oil cylinder upper end cover with main shaft, be provided with through hole in main shaft, the through hole that piston rod passes in main shaft is connected with the piston that is positioned at cylinder block, and piston is divided into upper cylinder half and lower cylinder with cylinder block; Concentrate oil-feed rear bearing slew gear to comprise and concentrate oil-feed axle plain bearing housing, concentrate oil-feed axle, rolling bearing and plane bearing, concentrate the sealing of oil-feed axle dress, together with rolling bearing, plane bearing, pack into and concentrate on oil-feed axle plain bearing housing; Concentrate oil-feed axle plain bearing housing design sealing, the oil cylinder bottom end cover of packing into is fastening; Concentrate the oil-feed axle by concentrating oil-feed axle connecting plate location to be fastened on base plate; Concentrate oil-feed axle plain bearing housing endoporus and external diameter to have the upper cylinder half oil-feed tank, with oil cylinder bottom end cover upper cylinder half fuel feed hole, connect, by the sealing of standard design O-ring seals; Concentrate on the oil-feed axle and have upper cylinder half fuel feed hole and lower cylinder fuel feed hole; The oil-feed of upper cylinder half fuel feed hole is by concentrating the oil-feed axle by concentrating the upper cylinder half oil-feed tank on oil-feed axle plain bearing housing to enter the oil cylinder bottom end cover, by the upper cylinder half fuel feed hole oil-feed cylinder upper cylinder half of cylinder block, oil cylinder upper end cover, under oil cylinder, the cylinder oil-feed is directly from concentrating the oil-feed axle to enter; Connect by four root posts between upper table and base plate, upper table face, press body, base plate are rigidly connected, and design levelling nut, be positioned at the upper table lower end on four columns,, by levelling nut levelling upper table face, guarantee that the upper table face is parallel with base plate plane.
2. a kind of elevator motor unit stator iron core pressing machine that is formed by folded riveting fanning strip piece as claimed in claim 1, it is characterized in that: described worm shaft bearing, boring processing two worm bearing holes are concentric on bearing pedestal, with stepping motor binding end dead eye Position Design stepping motor location hole step, end face processing is vertical with the worm bearing hole; Design stepping motor worm screw adapter sleeve, the stepping motor worm screw connects bearing set and is installed in worm shaft bearing and stepping motor binding end dead eye, and the worm screw one end stepping motor worm screw adapter sleeve of packing into, the other end fill the bearing bearing pedestal other end dead eye of packing into; Worm bearing adopts 2 taper roll bearings, presses the assembling of index plane opposite; The design bearing (ball) cover, levelling worm screw two bearings gap, stepping motor is with centering step location, the shaft worm screw stepping motor adapter sleeve of packing into, stepping motor is fastened on the worm shaft bearing; The spindle bearing holder that assembles is packed into above upper table in the spindle bearing holder hole, the worm shaft bearing that will assemble after bolted is assemblied in below upper table the worm shaft bearing by the dress screw hole parts, by standard levelling worm gear worm backlash, reliable rear trip bolt; Bore, cut with scissors the 2-taper pin-hole, dress taper pin location, guarantee the main shaft gyration halving precision.
3. a kind of elevator motor unit stator iron core pressing machine that is comprised of folded riveting fanning strip piece as claimed in claim 1 is characterized in that: the principal shaft locking that adjustment main shaft precision is housed on described main shaft one end near main shaft and the oil cylinder connecting plate nut of inserting.
4. a kind of elevator motor unit stator iron core pressing machine that is comprised of folded riveting fanning strip piece as claimed in claim 1 is characterized in that: it is concentric that the endoporus of described spindle bearing holder and pressing of the spindle bearing holder of upper table fill the cylindrical of being combined in hole, vertical with end face; Each step of the external diameter of described main shaft is namely: the axle journal of main shaft bearing, the axle journal of worm gear, the tool locating diameter of axle, main shaft are concentric with the locating journal of oil cylinder connecting plate, and each step end face is vertical with the main shaft cylindrical; The axle journal of described main shaft bearing is identical with the journal size of worm gear, while being convenient to assemble main shaft bearing together with worm gear by the principal shaft locking nut levelling precision of inserting; The endoporus through hole of main shaft the tool locating diameter of axle one end design piston rod guide sleeve by the dress hole, piston rod guide sleeve concentric with the main shaft cylindrical by the dress hole; Main shaft bearing adopts 2 taper roll bearings by the back-to-back assembling of standard; Main shaft is vertical with both ends of the surface with the endoporus of oil cylinder connecting plate, is installed on the axle journal of the main shaft of main shaft and oil cylinder connecting plate, and after guaranteeing that main shaft and oil cylinder are rigidly connected, main shaft is coaxial with oil cylinder.
5. a kind of elevator motor unit stator iron core pressing machine that is comprised of folded riveting fanning strip piece as claimed in claim 1 is characterized in that: described oil cylinder is by the oil cylinder upper end cover, cylinder piston rod shaft sealing shroud, cylinder block, piston rod, piston, nut, the oil cylinder bottom end cover forms; On the oil cylinder upper end cover, pressing of design cylinder piston rod sealing shroud fills hole, and the main shaft by dress hole dimension and main shaft lower end of cylinder piston rod sealing shroud and the centering axle journal of oil cylinder connecting plate are measure-alike, interference fits; Sealing shroud is combined positioning boss by the dress hole with oil cylinder concentric, and is vertical with both ends of the surface; Cylinder piston rod shaft sealing shroud sealing be installed in the oil cylinder upper end cover the cylinder piston rod sealing shroud by in the dress hole, by main shaft centering, main shaft oil cylinder connecting plate is fastening; Design respectively the upper cylinder half fuel feed hole on oil cylinder upper end cover, cylinder block and oil cylinder bottom end cover, junction design sealing, guarantee that the upper cylinder half oil-feed is unimpeded; The cylinder block endoporus is concentric with cylindrical, vertical with both ends of the surface; Design Yx sealing ring on piston; Piston rod design sealing, in the cylinder block of packing into after fastening nuts is in piston hole; Oil cylinder bottom end cover bore design rolling bearing and concentrate the positioning step of being combined with cylinder block by dress hole and oil cylinder bottom end cover of oil-feed axle plain bearing housing coaxial, pressing of rolling bearing fills the concentric by the dress hole of hole and concentrated oil-feed axle plain bearing housing, and be vertical with oil cylinder bottom end cover up and down both ends of the surface; Rolling bearing step, sliding bearing step, connecting plate and base plate positioning step on concentrated oil-feed axle designs with one heart, end face is vertical.
6. a kind of elevator motor unit stator iron core pressing machine that is comprised of folded riveting fanning strip piece as claimed in claim 4, is characterized in that: be equipped with the main shaft bearing seal cover on described spindle bearing holder, keep the bearing cleaning; The design piston rod guide sleeve is assemblied in the main shaft piston rod guide sleeve by in the dress hole, its objective is that assurance piston rod up and down traffic direction and main shaft centering neck end face are vertical, and while guaranteeing the stator core compacting, pressure is even; Be equipped with the tool locating plate, the upper and lower plane parallel of tool locating plate on main shaft centering neck; After loading onto main shaft, end face run-out meets standard, is convenient to the design of press-fitting tool by dress.
7. a kind of elevator motor unit stator iron core pressing machine that is comprised of folded riveting fanning strip piece as claimed in claim 5, it is characterized in that: described piston rod top is provided with the piston rod clamp nut, the assurance Work-sheet pressing, unclamps action.
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| CN201310327718.7A CN103401374B (en) | 2013-07-31 | 2013-07-31 | A kind of elevator motor unit stator iron core pressing machine be made up of folded riveting fanning strip block |
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| CN201310327718.7A CN103401374B (en) | 2013-07-31 | 2013-07-31 | A kind of elevator motor unit stator iron core pressing machine be made up of folded riveting fanning strip block |
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