CN105904227A

CN105904227A - Dual-power mechanism applied to high-precision numerical control machine tool

Info

Publication number: CN105904227A
Application number: CN201610354202.5A
Authority: CN
Inventors: 张玲玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-05-25
Filing date: 2016-05-25
Publication date: 2016-08-31

Abstract

The invention discloses a dual-power mechanism applied to a high-precision numerical control machine tool. The dual-power mechanism comprises a sleeve, a connecting shell fixedly connected with the sleeve, a second main shaft sleeved with the sleeve and an output shaft. A third gear and a fourth gear which are engaged with each other are arranged in the connecting shell in a paired manner. The second main shaft is a lead screw and is sleeved with a displacement block body. The displacement block body is connected with the second main shaft through a screw nut. The displacement block body is connected with the sleeve through a first guide mechanism. The guide direction of the first guide mechanism is the same as the length direction of the sleeve. The displacement block body is connected with a moving piece of the first guide mechanism. An annular step concentric with the displacement block body is arranged on the displacement block body. The outer portion of the second main shaft is sleeved with the output shaft. An end groove is formed in the driving end of the output shaft and connected with the annular step through a bearing. A second guide groove extending in the axis direction of the output shaft is formed in the output shaft. The fourth gear is matched with the second guide groove through a key and connected to the outer portion of the output shaft in a sleeving manner.

Description

It is applied to the double-power mechanism of high-precision numerical control machine

Technical field

The present invention relates to Machining Technology field, particularly to a kind of realize car, milling, boring, bore, three axle lathes of the function such as plane.

Background technology

Three axle machine tool technologies of the prior art are ripe, and machining accuracy is high, can realize the functions such as car, milling, boring, brill, it can however not effectively car, plane are combined；The cutter holding mechanism of three axle lathes of the prior art is typically fixed, it is impossible to controls cutter and moves in the axial direction, thus limits machining area.

Summary of the invention

It is an object of the invention to provide a kind of high accuracy machining tool, by clamped one time, can complete car, milling, boring, bore, the function such as plane, and the axis direction motion of cutter can be controlled, thus improve machining area.

For realizing above-mentioned technical purpose, the technical solution adopted in the present invention is as follows.

It is applied to the double-power mechanism of high-precision numerical control machine, it includes sleeve, the connection housing being connected is fixed with sleeve, the second main shaft being socketed in sleeve, output shaft, it is provided with a pair intermeshing 3rd gear in connecting housing, 4th gear, second main shaft is screw mandrel and the second spindle jacket is connected to shift block, second main shaft connects the second driving means by the second drive mechanism, the drive end of the second main shaft is connected to the driven member of the second drive mechanism, displacement block is connected by screw and the second main shaft, displacement block is by the first guiding mechanism and sleeve connection, the guide direction of the first guiding mechanism is identical with the length direction of sleeve, the movement parts of displacement block and the first guiding mechanism connects；The annular step of concentric layout it is provided with on displacement block, output sleeve is connected to outside and output shaft the drive end of the second main shaft and is provided with end recesses, end recesses is connected with annular step by bearing, being provided with the second gathering sill extended along its axis direction on output shaft, the 4th gear is socketed on the outside of output shaft by strong mating with the second gathering sill；3rd geared sleeve is connected to the outside of the first main shaft；The drive end of the second main shaft connects the second driving means, and the drive end of the first main shaft connects the first driving means；

The drive end of the first main shaft connects retaining mechanism, retaining mechanism includes the second gear being socketed on the first main shaft, it is fixedly sheathed in the displacement locking plate of the first main shaft, it is socketed on the first main shaft the fixing locking plate fixing with frame, the axial keyway arranged along its axis direction it is provided with on first main shaft, second gear by strong mate with axial keyway also pivot bush unit outside the first main shaft, it is provided with lock projection on displacement locking plate, it is provided with, on fixing locking plate, the locking groove matched with lock projection, the annular being provided with concentric layout on displacement locking plate stirs groove, between displacement locking plate and the second gear, the second spring being socketed on the first main shaft is installed.

The further improvement of technique scheme.

The outfan of above-mentioned output shaft can install cutter holding mechanism or workpiece grip mechanism.

The further improvement of technique scheme.

Displacement locking plate is also associated with toggle mechanism, controls the laminating of displacement locking plate and fixing keyboard by toggle mechanism or separates.

The further improvement of technique scheme.

The outside of above-mentioned annular step is socketed with extenal fixation ring, bearing, interior retainer ring the most successively, the diameter of extenal fixation ring is more than the race diameter of bearing, the diameter of the interior retainer ring inner ring diameter more than bearing the race diameter less than bearing, end recesses is socketed on outside bearing, interior retainer ring, interior retainer ring is fixed with annular step by screw, and extenal fixation ring is fixed by the drive end of screw with output shaft；

First guiding mechanism includes being arranged at sleeve the first gathering sill extended along its axis direction, is arranged at displacement block the lobe matched with the first gathering sill；

Being further fixed on the ring that is locked between displacement locking plate and the second gear on first output shaft, the second spring is installed on displacement locking plate and is locked between ring.

The further improvement of technique scheme.

Above-mentioned toggle mechanism includes slide block, shift fork, and slide block is connected with frame by the second guiding mechanism, and the guide direction of the second guiding mechanism is parallel with the axis direction of the first main shaft, and the movement parts of slide block and the second guiding mechanism is connected；What the annular being provided with on slide block and shift on locking plate stirred groove match stirs fork；Slide block is flexibly connected with shift fork, the axis direction being provided with reversed column and reversed column on slide block is vertical with the guide direction of the second guiding mechanism, the outfan of shift fork is provided with the shift fork prong matched with reversed column, shift fork drives slide block to move back and forth along the axis direction stirring guide post, the centre position of shift fork is provided with stirs rotating shaft, with stirring of fixing of frame be provided with on control panel with stir that rotating shaft matches stir turn trough, the drive end riveting of shift fork has stick, stir be provided with on control panel guide action bars drive slide block axially-movable stir gathering sill, stir the groove being additionally provided with on gathering sill under fixing displacement locking plate released state.

The further improvement of technique scheme.

nullIt is also equipped with overload protecting mechanism between second gear and the first driving means，Described overload protecting mechanism includes the first gear being meshed with the second gear，Fix with the first gear and the driven friction disk of arranged concentric，First gear is by bearing and driving shaft pivot bush unit，It is provided with external screw thread on driving shaft and is threadeded with screw by external screw thread，Screw is fixing with baffle ring to be connected，The active friction disk matched with driven friction disk also it is socketed with on driving shaft，It is provided with on driving shaft along the axial arranged friction keyway of driving shaft，Active friction disk is by strong mating so that active friction disk can be relative to the displacement of driving shaft generation axis direction with the keyway that rubs，Friction protrusion/friction groove it is provided with on driven friction disk，Friction groove/the friction protrusion matched with driven friction disk it is provided with on active friction disk，The first spring it is also equipped with between baffle ring and active friction disk；Above-mentioned driving shaft is connected by the first drive mechanism and the first driving means, and driving shaft is connected to the outfan of the first drive mechanism, and the first driving means is connected to the drive end of the first drive mechanism.

Accompanying drawing explanation

In order to be illustrated more clearly that the embodiment of the present invention, the accompanying drawing used required in embodiment will be done simple introduction below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the structural representation of the present invention.

Fig. 2 is the structural representation of the present invention.

Fig. 3 is the structural scheme of mechanism of the present invention.

Fig. 4 is the overload protecting mechanism structural representation of the present invention.

Fig. 5 is the overload protecting mechanism structural representation of the present invention.

Fig. 6 is the frictional disk structural representation of the overload protecting mechanism of the present invention.

Fig. 7 is the locking mechanism structure schematic diagram of the present invention.

Fig. 8 is the locking mechanism structure schematic diagram of the present invention.

Fig. 9 is the locking mechanism structure schematic diagram of the present invention.

Figure 10 is double-power mechanism and the cutter holding mechanism attachment structure schematic diagram of the present invention.

Figure 11 is the double-power mechanism structural representation of the present invention.

Figure 12 is the double-power mechanism structural representation of the present invention.

Figure 13 is the double-power mechanism structural representation of the present invention.

Figure 14 is the double-power mechanism structural representation of the present invention.

Figure 15 is the cutter holding mechanism structure schematic diagram of the present invention.

Figure 16 is workpiece grip mechanism and the Z axis guide rail connection structure schematic diagram of the present invention.

Figure 17 is the first slip plate body structural representation of the present invention.

Figure 18 is the first slip plate body and the second sliding panel attachment structure schematic diagram of the present invention.

Figure 19 is the second slip plate body and the 3rd sliding panel attachment structure schematic diagram of the present invention.

Figure 20 is the workpiece grip mechanism structural representation of the present invention.

Figure 21 is the workpiece grip mechanism structural representation of the present invention.

Figure 22 is the dog plate structural representation of the present invention.

Figure 23 is the chuck body structural representation of the present invention.

Figure 24 is the bevel gear wheel structural representation of the present invention.

Figure 25 is double-power mechanism and the range controlling mechanism attachment structure schematic diagram of the present invention.

Figure 26 is the range controlling mechanism structural representation of the present invention.

Figure 27 is the stroke slider structural representation of the present invention.

Figure is denoted as:

100, frame；110, controller；120, Z-axis direction guide rail.

210, motor；220, driving shaft；222, external screw thread；230, the first gear；240, driven friction disk；250, active friction disk；260, baffle ring；262, the first spring；264, screw；270, the second gear.

310, displacement locking plate；320, fixing locking plate；330, slide block；340, the second spring；350, shift fork；352, shift fork prong；360, rotating shaft is stirred；370, stick；380, turn trough is stirred.

400, double-power mechanism；402, the first gathering sill；410, the first main shaft；420, housing is connected；422, the 3rd gear；424, the 4th gear；430, the second main shaft；440, output shaft；442, the second gathering sill；444, end recesses；450, displacement block；451, lobe；452, step；453, extenal fixation ring；454, bearing；455, interior retainer ring；460, range controlling mechanism；461, locating piece；462, stroke guide post；463, scale；464, stroke slider；465, travel switch；466, stroke retaining mechanism；467, pointer.

500, cutter holding mechanism；510, scroll chuck；520, disk body is connected；530, guide pillar is connected；540, chip-removal hole.

600, motion bracket；610, the first slip plate body；612, Z-axis direction slide block；614, the first spanner；616, X axis guide rail；620, the second slip plate body；622, stand；630, the 3rd slip plate body；632, hole slot is connected；634, positioning lock tieholen；636, the second spanner；638, Y-axis slide block.

700, workpiece grip mechanism；710, chuck body；712, radial groove；714, hole is pulled；720, dog plate；722, radially draw-in groove；724, clamping locking hole；726, chuck guide pad；730, bevel gear wheel；732, planar spiral groove；734, ring-shaped step；740, base plate；750, bevel pinion.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art under not making creative work premise, the every other embodiment obtained, broadly fall into scope.

As shown in Figure 1, 2, 3, a kind of Horizontal multi-shaft lathe, it includes frame 100, the controller 110 being installed on frame 100, is installed on the double-power mechanism 400 of frame 100 one end, is installed on the motion bracket 600 of frame 100 other end, is installed on the cutter holding mechanism 500 of double-power mechanism 400 outfan, is installed on the workpiece grip mechanism 700 of motion bracket 600.

Controller can be used for controlling the work of double-power mechanism, it is also possible to controls the movement of motion bracket.

As shown in Figure 1, 2, 3, the present invention provides the embodiment of cutter holding mechanism center shaft line and workpiece grip mechanism centerline axis parallel in detail；Cutter holding mechanism center shaft line in the present invention can also be arranged vertically with workpiece grip mechanism central axis vertical direction, specifically, and the central axis vertical direction layout of workpiece grip mechanism and the central axis upright with cutter holding mechanism；Cutter holding mechanism center shaft line in the present invention can also be arranged vertically with workpiece grip mechanism central axis horizontal direction, specifically, and the central axis horizontal direction layout of workpiece grip mechanism and the central axis upright with cutter holding mechanism.Cutter holding mechanism and the three of workpiece grip mechanism kinds of different arrangements, all can realize car, milling, boring, bore, the function such as plane.

The present invention is described in detail in the way of workpiece grip mechanism centerline axis parallel layout by cutter holding mechanism center shaft line.

As illustrated in figs. 11-14, double-power mechanism 400, it includes sleeve, the connection housing 420 being connected is fixed with sleeve, the second main shaft 430 being socketed in sleeve, output shaft 440, it is provided with a pair intermeshing 3rd gear 422 in connecting housing 420, 4th gear 424, second main shaft 430 is for being socketed with displaced block body 450 outside screw mandrel and the second main shaft 430, second main shaft connects the second driving means by the second drive mechanism, the drive end of the second main shaft is connected to the driven member of the second drive mechanism, displacement block 450 is connected by screw and the second main shaft 430, displacement block is by the first guiding mechanism and sleeve connection, the guide direction of the first guiding mechanism is identical with the length direction of sleeve, displacement block 450 is connected with the movement parts of the first guiding mechanism；Preferably, first guiding mechanism includes being arranged at sleeve the first gathering sill 402 extended along its axis direction, is arranged at displacement block the lobe 451 matched with the first gathering sill 402, by rotating the second main shaft, due to lobe 451 and the matching relationship of the first gathering sill 402 so that displacement block 450 moves along the axis direction of the second main shaft 430；The annular step 452 of concentric layout it is provided with on displacement block 450, output shaft 440 is socketed on outside and output shaft 440 the drive end of the second main shaft 430 and is provided with end recesses 444, end recesses 444 is connected with annular step 452 by bearing 454, being provided with the second gathering sill 442 extended along its axis direction on output shaft 440, the 4th gear 424 is socketed on the outside of output shaft 440 by strong mating with the second gathering sill 442；When under the 4th gear 424 not rotation situation, the rotation of the second main shaft is driven by the second driving means, both displacement block can have been driven to move back and forth along the axis direction of the second main shaft, owing to the end recesses of output shaft is connected to the outer ring of bearing 454, and the inner ring of this bearing 454 is connected to annular step 452, and under the strong matching effect with the second gathering sill so that output shaft 440 can only move along its axis direction；3rd gear 422 is socketed on the outside of the first main shaft 410, by the rotation of the first driving means drive shaft 410, and by the 3rd gear and the transmission of the 4th gear, output shaft 440 both can have been driven around own axis.

As shown in figure 14, the outside of above-mentioned annular step 452 is socketed with extenal fixation ring 453, bearing 454, interior retainer ring 455 the most successively, the diameter of extenal fixation ring 453 is more than the race diameter of bearing 454, the diameter of interior retainer ring 455 inner ring diameter more than bearing 454 race diameter less than bearing 454, end recesses is socketed on bearing 454, interior retainer ring 455 outside, interior retainer ring 455 is fixed with annular step 452 by screw, and extenal fixation ring 453 is fixed by the drive end of screw with output shaft 440；By extenal fixation ring 453, the fixing and restriction effect of interior retainer ring 455 so that end recesses fits tightly with bearing 454.

nullAs shown in figs. 3-9，The drive end of the first main shaft 410 connects retaining mechanism，Retaining mechanism includes the second gear 270 being socketed on the first main shaft 410、It is fixedly sheathed in the displacement locking plate 310 of the first main shaft 410、It is socketed on the first main shaft 410 the fixing locking plate 320 fixed with frame 100，It is provided with, on first main shaft 410, the axial keyway arranged along its axis direction，Second gear 270 by strong mate with axial keyway also pivot bush unit outside the first main shaft 410，It is provided with lock projection on displacement locking plate 310，It is provided with, on fixing locking plate 320, the locking groove matched with lock projection，The annular being provided with concentric layout on displacement locking plate 310 stirs groove，Between displacement locking plate 310 and the second gear 270, the second spring 340 being socketed on the first main shaft 410 is installed，Preferably，The ring that is locked between displacement locking plate and the second gear it is further fixed on first output shaft 410，Displacement locking plate and be locked between ring and be provided with the second spring 340，By setting up the ring that is locked，The second spring 340 is avoided to contact with the direct of the second gear，Can avoid spring that the second gear is applied active force，Improve the precision of this device.

As shown in Fig. 4,7,8,9, displacement locking plate 310 is also associated with toggle mechanism, the active force applied by toggle mechanism so that displacement locking plate 310 overcomes the elastic force of the second spring 340 and along the axially-movable of the first main shaft 410, so that displacement locking plate 310 departs from fixing locking plate 320；When the second gear 270 rotates, the rotation of the first main shaft 410 can be driven.

Above-mentioned toggle mechanism includes slide block 330, shift fork 350, slide block 330 is connected with frame 100 by the second guiding mechanism, the guide direction of the second guiding mechanism is parallel with the axis direction of the first main shaft 410, and slide block 330 is connected with the movement parts of the second guiding mechanism；As shown in Figure 8, preferably, what the second guiding mechanism included fixing with frame 100 and be parallel to the first main shaft stirs guide post, slide block 330 is matched with stirring guide post by sliding sleeve or linear bearing, what the annular being provided with on slide block 330 and shift on locking plate stirred groove match stirs fork, preferably, this stirs fork is U-shaped fork；nullSlide block 330 is flexibly connected with shift fork 350，Shift fork 350 drives slide block 330 to move back and forth along the axis direction stirring guide post，Preferably，The axis direction being provided with reversed column and reversed column on slide block 330 is vertical with the guide direction of the second guiding mechanism，The outfan of shift fork 350 is provided with the shift fork prong 352 matched with reversed column，Preferably，This shift fork prong 352 is U-shaped fork，The centre position of shift fork 350 is provided with stirs rotating shaft 360，With stirring of fixing of frame 100 be provided with on control panel with stir that rotating shaft 360 matches stir turn trough 380，The drive end riveting of shift fork 350 has stick 370，Stir be provided with on control panel guide action bars 370 and drive slide block 330 axially-movable stir gathering sill，Preferably，Stir the groove being additionally provided with on gathering sill under fixing displacement locking plate 310 released state.

nullAs shown in fig. 3 to 7，It is also equipped with overload protecting mechanism between second gear 270 and the first driving means，Can effectively protect the transmission parts in this device，Described overload protecting mechanism includes the first gear 230 being meshed with the second gear 270，Fix with the first gear 230 and the driven friction disk 240 of arranged concentric，First gear 230 is by bearing and driving shaft 220 pivot bush unit，It is provided with external screw thread 222 on driving shaft 220 and is threadeded with screw 264 by external screw thread 222，Screw 264 is fixing with baffle ring 260 to be connected，The active friction disk 250 matched with driven friction disk 240 also it is socketed with on driving shaft 220，It is provided with on driving shaft 220 along the axial arranged friction keyway of driving shaft 220，Active friction disk 250 is by strong mating so that active friction disk 250 can be relative to the displacement of driving shaft generation axis direction with the keyway that rubs，Friction protrusion/friction groove it is provided with on driven friction disk 240，Friction groove/the friction protrusion matched with driven friction disk it is provided with on active friction disk 250，The first spring 262 it is also equipped with between baffle ring 260 and active friction disk 250；Owing to the position of the first gear 230 is fixed, by rotating screw 264, the elastic force of adjustable the first spring 262, thus control the frictional resistance between active friction disk and driven friction disk；When driving shaft 220 rotates under the driving of kinetic energy, mate so that active friction disk 250 rotates by strong with the keyway that rubs, under the elastic force effect of the first spring 262, active friction disk 250 is contacted with driven friction disk 240 closely, thus drive driven friction disk, the rotation of the first gear, thus realize normal delivery and the output of kinetic energy；When the first main shaft 410 is stuck or the over loading of other mechanisms, and when driving shaft 220 rotates, active friction disk skids with driven friction disk, it is impossible to normally to the first gear input kinetic energy, thus protect the safety of mechanism.

Above-mentioned driving shaft 220 is connected by the first drive mechanism and the first driving means, and driving shaft is connected to the outfan of the first drive mechanism, and the first driving means is connected to the drive end of the first drive mechanism；As shown in Figure 3,4, the drive end of driving shaft connects motor 210 by synchronous belt drive mechanism, provides kinetic energy by motor and transmits kinetic energy by synchronous belt drive mechanism, thus driving the rotation of driving shaft 220.

nullAs illustrated in figs. 16-19，When numerical control programming in order to describe the motion of lathe，Simplify the method for programming and ensure the interchangeability of record data，With machine origin O as coordinate origin and follow right-handed Cartesian rectangular coordinate system set up by X、Y、The fixing rectangular coordinate system of Z axis composition，Under original state，Motion bracket 600 can drive workpiece grip mechanism along X、Y、Z-motion，So that held workpiece can complete multi-faceted processing，Described motion bracket 600 includes the first slip plate body 610、Second slip plate body 620、3rd slip plate body 630，It is provided with in frame 100 along Z axis axis direction layout and the Z-axis direction screw mandrel around own axis，First slip plate body 610 is connected with Z-axis direction screw mandrel by screw，First slip plate body 610 is connected with frame 100 also by the 3rd guiding mechanism，The guide direction of the 3rd guiding mechanism extends along Z axis axis direction，First slip plate body 610 is fixing with the movement parts in the 3rd guiding mechanism to be connected；Be provided with on first slip plate body along its X-axis axis direction arrange and can be around the X axis screw mandrel of own axis, second slip plate body 620 is connected with X axis screw mandrel by screw, first slip plate body 610 is connected also by the 4th guiding mechanism with the second slip plate body 620, the guide direction of the 4th guiding mechanism extends along X-axis axis direction, and the second slip plate body 620 is fixing with the movement parts in the 4th guiding mechanism to be connected；Vertical stand 622 it is provided with on second slip plate body 620, be provided with in stand 622 along Y-axis axis direction arrange and can be around the Y-axis screw mandrel of own axis, stand 622 is connected by the 5th guiding mechanism with the 3rd slip plate body 630, the guide direction of the 5th guiding mechanism extends along Y-axis axis direction, 3rd slip plate body 630 is fixing with the movement parts in the 5th guiding mechanism to be connected, and workpiece grip mechanism 700 is installed on the 3rd slip plate body 630.

The 3rd above-mentioned guiding mechanism includes the Z-axis direction guide rail 120 being installed on frame 100 and arranging along Z axis axis direction, the movement parts of the 3rd guiding mechanism is to be arranged at the first slip plate body 610 the Z-axis direction slide block 612 matched with Z-axis direction guide rail 120, the first positioner by locking the first slip plate body and the locking of Z-axis direction guide rail is installed on the first slip plate body 610, preferably, first positioner is the first spanner 614, and the flexible rod end of the first spanner 614 is perpendicular to Z-axis direction guide rail 120；By rotating the first spanner 614 so that the bar portion of the first spanner extrudes with z axis guide rail, so that the frictional force between Z-axis direction slide block 612 and Z-axis direction guide rail 120 increases, it is achieved Z-axis direction slide block 612 is fixing with Z-axis direction guide rail 120.

The 4th above-mentioned guiding mechanism includes being arranged at the first slip plate body 610 and the X axis guide rail 616 arranged along X-axis axis direction, is arranged at the second slip plate body 620 and the X axis slide block matched with X axis guide rail 616.

The 5th above-mentioned guiding mechanism includes being arranged at stand 622 and the Y-axis guide rail extended along Y-axis axis direction, is arranged at the 3rd slip plate body 630 and the Y-axis slide block matched with Y-axis guide rail.

nullAs shown in Figure 19-24，Workpiece grip mechanism 700 includes the bevel gear wheel 730 being connected with the 3rd slip plate body 630、It is installed on the base plate 740 between bevel gear wheel 730 and the 3rd slip plate body 630、Several bevel pinions 750 matched with bevel gear wheel 730 are installed on base plate 740、It is socketed on base plate 740、Bevel gear wheel 730 outside the chuck body 710 fixed with base plate 740、Dog plate 720 with four same sizes that chuck body 710 is slidably connected，The central angle of dog plate 720 is 90 degree and four dog plates can be spliced into a complete circle，Connection hole slot 632 it is provided with on 3rd slip plate body 630，Be provided with on bevel gear wheel concentric layout and be connected the ring-shaped step 734 that hole slot 632 matches，The back side of bevel gear wheel is provided with planar spiral groove 732，Four radial grooves 712 being radially distributed it are provided with on chuck body 710，The back side of dog plate 720 is provided with the chuck guide pad 726 matched with radial groove 712，The spiral salient matched with planar spiral groove it is provided with on chuck guide pad 726，The drive end of bevel pinion is provided with rotation hole，The wall portion of chuck body is provided with the through hole matched with rotation hole，It is provided with the second positioner on 3rd slip plate body，Preferably，Second positioner is the second spanner 636，The flexible rod end of the second spanner 636 is perpendicular to connect the axis direction of hole slot，By rotating the second spanner，The bar portion making the second spanner produces bigger frictional force with ring-shaped step，So that bevel gear wheel and the 3rd slip plate body are fixed，Bevel gear wheel can not rotate.

By driving spanner to drive the rotation of bevel pinion, the rotation of bevel gear wheel can be driven, due to chuck guide pad and the planar spiral groove matching relationship being arranged at bevel gear wheel, so that four dog plates occur the deviation synchronized or gather.

The advantage using four dog plates is: four dog plates occur the deviation synchronized or gather, it is more convenient for gripping rods parts, particularly clamp U-shaped rod-like members, workpiece grip mechanism of the prior art, poor to the clamping effect of U-shaped rod-like members, clamped one time can not be realized, the two ends processing of complete U-shaped tubular part.

Such as Figure 20, shown in 21, on dog plate 720, front is additionally provided with the radial direction draw-in groove 722 being radially distributed, and dog plate 720 is additionally provided with the clamping locking hole 724 being positioned at radially draw-in groove 722 both sides；Other auxiliary clamps can be easily installed by radial direction draw-in groove 722, and locked by clamping locking hole 724 so that clamping is more stable and is applicable to the clamping workpiece of various shapes.

As shown in figure 15, cutter holding mechanism 500, it includes that fix with the outfan of output shaft 440 connects disk body 520 and be connected the scroll chuck 510 that disk body 520 is connected, connect disk body 520 to be connected with output shaft 440 by screw, connect disk body 520 and fix with being connected scroll chuck 510 by being socketed with the connection guide pillar 530 of screw.

The center position of scroll chuck is additionally provided with chip-removal hole 540, it is simple to chip is got rid of.

The technology maturation of scroll chuck of the prior art, and multiple functional, the structure of scroll chuck is no longer repeated by the present invention.

As Fig. 1-3,10, shown in 25-27, range controlling mechanism 460 is there also is provided in double-power mechanism 400, range controlling mechanism 460 includes laying respectively at two stroke slider 464 at displacement block two ends, the 6th guiding mechanism that guide direction is consistent with the axis direction of output shaft 440, and stroke slider 464 is fixed with the movement parts of the 6th guiding mechanism and is connected；Travel switch 465 is installed in stroke slider 464.

The 6th above-mentioned guiding mechanism include two axis directions stroke guide post 462 parallel with output shaft axis direction, be fixed on the locating piece 461 at two stroke guide post 462 two ends, stroke slider 464 is slidably connected with stroke guide post 462 by sliding sleeve or linear bearing, stroke retaining mechanism 466 for fixed journey system slide position is installed in stroke slider 464, the trip retaining mechanism 466 is preferably knob, by rotary knob thus stroke slider is fixed with stroke guide post.

It is further fixed on scale 463 between two above-mentioned locating pieces 461, stroke slider 464 is additionally provided with the pointer 467 pointing to scale 463.

By stirring two stroke slider, thus control to shift the stroke range of block, it is to avoid because the stroke of displacement block is excessive or too small, the axis direction range of movement causing output shaft is impacted；By the control action of range controlling mechanism 460, that can improve improves the precision produced, and prevents the stroke shifting block excessive, cause the collision between mechanism, it is ensured that the safety of device.

Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention；Multiple amendment to these embodiments will be apparent from for those skilled in the art, and the General Principle defined in the present invention can realize in the case of without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will not be defined to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.

Claims

1. it is applied to the double-power mechanism of high-precision numerical control machine, it is characterized in that: it includes sleeve, the connection housing being connected is fixed with sleeve, the second main shaft being socketed in sleeve, output shaft, it is provided with a pair intermeshing 3rd gear in connecting housing, 4th gear, second main shaft is screw mandrel and the second spindle jacket is connected to shift block, displacement block is connected by screw and the second main shaft, displacement block is by the first guiding mechanism and sleeve connection, the guide direction of the first guiding mechanism is identical with the length direction of sleeve, the movement parts of displacement block and the first guiding mechanism connects；The annular step of concentric layout it is provided with on displacement block, output sleeve is connected to outside and output shaft the drive end of the second main shaft and is provided with end recesses, end recesses is connected with annular step by bearing, being provided with the second gathering sill extended along its axis direction on output shaft, the 4th gear is socketed on the outside of output shaft by strong mating with the second gathering sill；3rd geared sleeve is connected to the outside of the first main shaft；The drive end of the second main shaft connects the second driving means, and the drive end of the first main shaft connects the first driving means；

The double-power mechanism being applied to high-precision numerical control machine the most according to claim 1, it is characterised in that: the outfan of above-mentioned output shaft can install cutter holding mechanism or workpiece grip mechanism.

The double-power mechanism being applied to high-precision numerical control machine the most according to claim 1, it is characterised in that: displacement locking plate is also associated with toggle mechanism, controls the laminating of displacement locking plate and fixing keyboard by toggle mechanism or separates.

4. according to the double-power mechanism being applied to high-precision numerical control machine described in claim 1 or 3, it is characterized in that: the outside of above-mentioned annular step is socketed with extenal fixation ring, bearing, interior retainer ring the most successively, the diameter of extenal fixation ring is more than the race diameter of bearing, the diameter of the interior retainer ring inner ring diameter more than bearing the race diameter less than bearing, end recesses is socketed on outside bearing, interior retainer ring, interior retainer ring is fixed with annular step by screw, and extenal fixation ring is fixed by the drive end of screw with output shaft；

The double-power mechanism being applied to high-precision numerical control machine the most according to claim 3, it is characterized in that: above-mentioned toggle mechanism includes slide block, shift fork, slide block is connected with frame by the second guiding mechanism, the guide direction of the second guiding mechanism is parallel with the axis direction of the first main shaft, and the movement parts of slide block and the second guiding mechanism is connected；What the annular being provided with on slide block and shift on locking plate stirred groove match stirs fork；Slide block is flexibly connected with shift fork, the axis direction being provided with reversed column and reversed column on slide block is vertical with the guide direction of the second guiding mechanism, the outfan of shift fork is provided with the shift fork prong matched with reversed column, shift fork drives slide block to move back and forth along the axis direction stirring guide post, the centre position of shift fork is provided with stirs rotating shaft, with stirring of fixing of frame be provided with on control panel with stir that rotating shaft matches stir turn trough, the drive end riveting of shift fork has stick, stir be provided with on control panel guide action bars drive slide block axially-movable stir gathering sill, stir the groove being additionally provided with on gathering sill under fixing displacement locking plate released state.

null6. according to the double-power mechanism being applied to high-precision numerical control machine described in claim 1 or 3，It is characterized in that: between the second gear and the first driving means, be also equipped with overload protecting mechanism，Described overload protecting mechanism includes the first gear being meshed with the second gear，Fix with the first gear and the driven friction disk of arranged concentric，First gear is by bearing and driving shaft pivot bush unit，It is provided with external screw thread on driving shaft and is threadeded with screw by external screw thread，Screw is fixing with baffle ring to be connected，The active friction disk matched with driven friction disk also it is socketed with on driving shaft，It is provided with on driving shaft along the axial arranged friction keyway of driving shaft，Active friction disk is by strong mating so that active friction disk can be relative to the displacement of driving shaft generation axis direction with the keyway that rubs，Friction protrusion/friction groove it is provided with on driven friction disk，Friction groove/the friction protrusion matched with driven friction disk it is provided with on active friction disk，The first spring it is also equipped with between baffle ring and active friction disk；Above-mentioned driving shaft is connected by the first drive mechanism and the first driving means, and driving shaft is connected to the outfan of the first drive mechanism, and the first driving means is connected to the drive end of the first drive mechanism.