CN207155343U - It is compound walk heart main shaft - Google Patents

Abstract

It is a kind of it is compound walk heart main shaft, it is characterised in that：First clamping device is arranged on one end of hollow shaft motor, is linked with hollow shaft motor；The other end that heart seat, central shaft, the second clamping device are arranged on hollow shaft motor is walked, central shaft one end insertion hollow shaft motor, is linked with hollow shaft motor, the other end is with passing through away heart seat and coordinating with walking heart seat screw thread；Second clamping device includes collet, pull bar, pull-fork assembly, one end in collet centrally disposed axle insertion hollow shaft motor, and with central shaft axial slip and circumferential spacing cooperation；Pull-fork assembly is arranged on away on heart seat, and pull bar is in hollow structure, and its one end is through center axis center and connects collet, and the other end coordinates through pull-fork assembly and with pull-fork assembly screw thread.It the advantage is that by two groups of different clamping devices, will dexterously walk heart rotation processing and be incorporated in from the fixed two kinds of different processing modes of processing that rotate on same process equipment.

Description

It is compound walk heart main shaft

Technical field

The utility model is related to a kind of high-precision numerical control manufacture field, more particularly to it is a kind of it is compound walk heart main shaft.

Background technology

At present, axle class machining center generally includes two major classes, and one of which is conventional lathe, and main shaft rotation drives Part is rotated, and cutter feed is processed, and another kind is to walk scheming, and its tool position is fixed, and main shaft rotation realizes axial direction simultaneously It is mobile, coordinate with cutter and be processed.

Two kinds of machining centers respectively have advantage, but two kinds of machining center can be only done respective processing action, nothing Method is combined.

Utility model content

In order to overcome the shortcomings of background technology, the utility model provide it is a kind of it is compound walk heart main shaft.

Technical scheme used by the utility model：It is a kind of it is compound walk heart main shaft, including hollow shaft motor, walk heart seat, in Mandrel, the first clamping device, the second clamping device；First clamping device is arranged on one end of hollow shaft motor, and hollow Spindle motor is linked；It is described walk heart seat, central shaft, the second clamping device be arranged on the other end of hollow shaft motor, in described Hollow shaft motor is inserted in mandrel one end, is linked with hollow shaft motor, and the other end is with passing through away heart seat and with walking heart seat screw thread Coordinate；Second clamping device includes collet, pull bar, pull-fork assembly, the centrally disposed axle insertion of collet One end in hollow shaft motor, and with central shaft axial slip and circumferential spacing cooperation；The pull-fork assembly is arranged on away heart seat On, the pull bar is in hollow structure, and its one end is through center axis center and connects collet, and the other end passes through pull-fork assembly simultaneously Coordinate with pull-fork assembly screw thread.

The pull-fork assembly includes shift fork seat, driving lever, 2 cylinders, and the shift fork seat, which is threadably secured, is connected to pull bar On, the driving lever is set in that pull bar is outer corresponding with shift fork seat, and 2 cylinders are fixedly mounted on away on heart seat, and its output The both ends respectively with driving lever are held to be hinged.

First clamping device includes mounting seat, movable part, two clamping plates, drive component, the first connecting seat；The mounting seat It is arranged on by the first connecting seat on hollow shaft motor；The mounting seat center is provided with the first centre bore, before the mounting seat Two installation bases being arranged symmetrically along the first centre bore are additionally provided with end face, outside corresponding to two installation bases is provided with along preceding To the first straight line guide rail of extension, inner side corresponding to two installation bases is provided with second perpendicular with first straight line guide rail at rear Line slideway；Two clamping plates are correspondingly arranged between two installation bases, and are slid and coordinated with second straight line guide rail, described The lateral surface of clamping plate is inclined plane, and the inclined plane is provided with the 3rd line slideway extended along the longitudinal direction；The movable part It is set on the outside of two installation bases, and movable part coordinates with first straight line guide rail, the sliding of the 3rd line slideway；The driving group Part drive connection movable part, can drive movable part to be slid along before and after first straight line guide rail.

The drive component includes actuator, push rod, hydraulic power supply, sliding set, power transmission shaft；The actuator is arranged on The rear end of mounting seat, its center is provided with the second centre bore corresponding with the first centre bore, and actuator and mounting seat are circumferentially spacing Coordinate；The push rod is arranged circumferentially along the first centre bore, and push rod passes through mounting seat, its both ends respectively against actuator with Movable part；The hydraulic power supply drive connection sliding set, and the sliding set is slippingly set in outside central shaft；The biography Moving axis is set in outside central shaft, and central shaft spline fitted, and the power transmission shaft is arranged between actuator and sliding set；It is described The output end of hollow shaft motor is connected with output set, and the output set is set in outside power transmission shaft, and is coordinated with splined driveshaft.

Hydraulic power supply includes output movable sleeve, the first hydraulic oil pipe, the second hydraulic oil pipe, magnetic valve, adjustment cylinder, servo Motor；The magnetic valve is in two-bit triplet structure, one connector connection hydraulic power source, and two other connector is respectively by the One hydraulic oil pipe, the second hydraulic oil pipe connection output movable sleeve；Wherein the second hydraulic oil pipe is also connected with adjusting cylinder, the adjustment cylinder Driven and adjusted by servomotor.

Also include walking heart drive component, it is described walk heart drive component include motor, screw mandrel, the second connecting seat, sliding Track；The hollow shaft motor is connected with walking heart seat bottom by the second connecting seat, and is slid and be arranged on sliding rail, The motor drive connection screw mandrel, the screw mandrel and the second connecting seat screw thread coordinate.

The beneficial effects of the utility model are：Using above scheme, when using the first clamping device Clamp blocks, second Clamping device does not work, and hollow shaft motor can only drive part to do rotary work；When using the second gripper mechanism grips part, First clamping device does not work, and pull-fork assembly pulls pull bar collet is matched for clamping tightly part, while quill shaft with central shaft Motor driven central shaft, the second clamping device synchronous rotary, now, due to central shaft and screw thread cooperation and the pull bar of walking heart seat Coordinate with the screw thread of pull-fork assembly, axial movement is realized while rotary work；It is ingenious by two groups of different clamping devices Ground will walk heart rotation processing and will be incorporated in from the fixed two kinds of different processing modes of processing that rotate on same process equipment.

Brief description of the drawings

Fig. 1 be the utility model embodiment it is compound walk heart main shaft structural representation.

Fig. 2 be the utility model embodiment it is compound walk another angle of heart main shaft structural representation.

Fig. 3 be the utility model embodiment it is compound walk heart main shaft sectional view.

Fig. 4 removes the second clamping device, hollow shaft motor, hydraulic pressure for the utility model embodiment high-precision rotary chuck and moved Structural representation behind power source.

Fig. 5 is to be removed on the basis of Fig. 4

Fig. 6 is the structural representation of the clamping device of the utility model embodiment second.

Fig. 7 is the positive structure schematic of the clamping device of the utility model embodiment second.

Fig. 8 is the cross section structure diagram at A-A in Fig. 7.

Fig. 9 is the cross section structure diagram at B-B in Fig. 7.

Figure 10 is that the clamping device of the utility model embodiment second removes the structural representation after movable part.

Figure 11 is the structural representation of the utility model embodiment mounting seat.

Figure 12 is the structural representation of the utility model embodiment clamping plate.

1- hollow shaft motors in figure, 11- output sets, 2- walk heart seat, 3- central shafts, the clamping devices of 4- first, 41- installations Seat, the centre bores of 411- first, the first annular baffle plates of 412-, 413- installation bases, the ring baffles of 414- second, 415- limit convexes Platform, 42- movable parts, 43- clamping plates, 431- inclined planes, 432- arc grooves, 44- drive components, 441- actuators, 442- push rods, 443- hydraulic power supplies, 4431- output movable sleeves, the hydraulic oil pipes of 4432- first, the hydraulic oil pipes of 4433- second, 4434- electromagnetism Valve, 4435- adjustment cylinders, 4436- servomotors, 444- sliding sets, 445- power transmission shafts, 45- first straight line guide rails, 46- second are straight Line guide rail, the line slideways of 47- the 3rd, the connecting seats of 48- first, the clamping devices of 5- second, 51- collets, 52- pull bars, 53- are dialled Pitch component, 531- shift fork seats, 532- driving levers, 533- cylinders, 6- walks heart drive component, 61- motors, 62- screw mandrels, 63- the Two connecting seats, 64- sliding rails.

Embodiment

It is understandable to enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, below in conjunction with the accompanying drawings to this Utility model is further described in detail, embodiments given below only for illustrating the utility model, rather than in order to Limit the scope of the utility model.

, it is necessary to explanation, the orientation of the instruction such as term " rear ", " preceding ", " interior ", " outer " in description of the present utility model Or position of orientation of position relationship when being normal use high-precision rotary chuck, such as " preceding " is close to the position at processing end, is afterwards Position away from processing end, " interior " is that " outer " is deep position, is for the ease of describing this reality by paracentral position With new and simplify description, rather than instruction or imply that signified device or element there must be specific orientation, with specific Azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " It is only used for describing purpose, and it is not intended that instruction or hint relative importance.

As illustrated, it is a kind of it is compound walk heart main shaft, including hollow shaft motor 1, walk heart seat 2, central shaft 3, the first clamping machine Structure 4, the second clamping device 5.

As illustrated, first clamping device 4 is arranged on one end of hollow shaft motor 1, match somebody with somebody with the linkage of hollow shaft motor 1 Close；First clamping device 4 includes mounting seat 41,42, two clamping plates 43 of movable part, drive component 44, the first connecting seat 48； The mounting seat 41 is arranged on hollow shaft motor 1 by the first connecting seat 48；The center of mounting seat 41 is provided with the first center Hole 411, is additionally provided with two installation bases 413 being arranged symmetrically along the first centre bore 411 on the front end face of the mounting seat 41, and two Outside is provided with the first straight line guide rail 45 extended along the longitudinal direction, two correspondences of installation base 413 corresponding to individual installation base 413 Inner side be provided with the second straight line guide rail 46 perpendicular with first straight line guide rail 45；Two clamping plates 43 are correspondingly arranged at two Between installation base 413, and slide and coordinate with second straight line guide rail 46, the lateral surface of the clamping plate 43 is inclined plane 431, described Inclined plane 431 is provided with the 3rd line slideway 47 extended along the longitudinal direction；The movable part 42 is set in two installation bases 413 outsides, and movable part 42 coordinates with first straight line guide rail 45, the sliding of the 3rd line slideway 47；The drive component 44 drives Movable part 42 is connected, movable part 42 can be driven to be slid along first straight line guide rail 45 is front and rear.

First clamping device 4 uses high-precision rotary chuck, for Clamp blocks and drives part quickly to rotate, works as use During the first 4 Clamp blocks of clamping device, part is through the first centre bore 411 and being arranged at two clamping plates 43, activity Part 42 moves forward in the presence of drive component 44 along first straight line guide rail 45, at the same with the 3rd line slideway on clamping plate 43 47 coordinate, and extrude inclined plane 431 so that two clamping plates 43 are drawn close along the sliding of second straight line guide rail 46, and so as to Clamp blocks, its is right Title center can remain constant, will not also be changed even if duplicating device part, stability is more preferable, and precision is very high.

As illustrated, it is described walk heart seat 2, central shaft 3, the second clamping device 5 be arranged on the other end of hollow shaft motor 1, Hollow shaft motor 1 is inserted in described one end of central shaft 3, is linked with hollow shaft motor 1, the other end and pass through away heart seat 2 and with Walk the cooperation of the screw thread of heart seat 2；Second clamping device 5 includes collet 51, pull bar 52, pull-fork assembly 53, the elastic clip One end that first 51 centrally disposed axle 3 is inserted in hollow shaft motor 1, and with the axial slip of central shaft 3 and circumferential spacing cooperation；Institute State pull-fork assembly 53 to be arranged on away on heart seat 2, the pull bar 52 is in hollow structure, and its one end is through the center of central shaft 3 and connects Collet 51, the other end coordinate through pull-fork assembly 53 and with the screw thread of pull-fork assembly 53.

Wherein, the pull-fork assembly 53 includes 532,2 shift fork seat 531, driving lever cylinders 533, and the shift fork seat 531 passes through It is screwed and is connected on pull bar 52, the driving lever 532 is set in outer, 2 cylinders corresponding with shift fork seat 531 of pull bar 52 533 are fixedly mounted on away on heart seat 2, and both ends of its output end respectively with driving lever 532 are hinged；Controlled by two cylinders 533 Shift fork seat 531, it is easier to adjust clamping effect of the pull-fork assembly 53 to part.

When using the second 5 holding parts of clamping device, part passes through the center of pull bar 52, collet 51, pull-fork assembly 53 pulling pull bars 52 make collet 31 be matched for clamping tightly part with central shaft 3, while hollow shaft motor 1 drives central shaft 3, second The synchronous rotary of clamping device 5, now, due to central shaft 3 and screw thread cooperation and pull bar 52 and the pull-fork assembly 53 of walking heart seat 2 Screw thread coordinates, and axial movement is realized while rotary work, so as to realize away the function of heart processing.

The first above-mentioned clamping device 4 and the second clamping device 5 independently of each other, pass through the first clamping device 4 or the of control The Clamp blocks of two clamping device 5, realize the fixed rotation processing of part or walk heart rotation processing, in a machining center equipment Combine two kinds of processing modes.

As illustrated, the drive component 44 include actuator 441, push rod 442, hydraulic power supply 443, sliding set 444, Power transmission shaft 445；The actuator 441 is arranged on the rear end of mounting seat 41, and its center is provided with corresponding with the first centre bore 411 the Two centre bores, and actuator 441 and the circumferential spacing cooperation of mounting seat 41；The push rod 442 is circumferential uniformly along the first centre bore 411 Arrangement, and push rod 442 passes through mounting seat 41, its both ends is respectively against actuator 441 and movable part 42；The hydraulic power supply 443 drive connections sliding set 444, and the sliding set 444 is slippingly set in outside central shaft 3；The power transmission shaft 445 is arranged Outside central shaft 3, and the spline fitted of central shaft 3, and the power transmission shaft 445 is arranged between actuator 441 and sliding set 444； The output end of the hollow shaft motor 1 is connected with output set 11, and the output set 11 is set in outside power transmission shaft 445, and with transmission The spline fitted of axle 445.

The output end of hollow shaft motor 1 can drive the rotation of output set 11, and output set 11 drives power transmission shaft 445 to revolve by spline Turn, power transmission shaft 445 can drive the synchronous axial system of actuator 441, so as to realize the rotary work of the first clamping device 4；It is driven simultaneously Axle 445 can drive central shaft 3 to rotate by spline, and central shaft 3 can drive the rotary work of the second clamping device 5；Other hydraulic pressure moves Power source 443 drives the axial slip of power transmission shaft 445 by sliding set 444 so that actuator 441 acts, and realizes the first clamping device 4 Clamping effect.

A variety of driving drive mechanisms are dexterously combined together by said structure, compact-sized, small volume, and further Ensure the synchronism of its work, improve machining accuracy.

Wherein, driven using hydraulic power supply, not only control is more convenient, and further ensures its machining accuracy, makes It is more preferable with effect.

The hydraulic power supply 443 includes output movable sleeve 4431, the first hydraulic oil pipe 4432, the second hydraulic oil pipe 4433rd, magnetic valve 4434, adjustment cylinder 4435, servomotor 4436；The magnetic valve 4434 is in two-bit triplet structure, one company Orifice hydraulic power source, two other connector are connected defeated by the first hydraulic oil pipe 4432, the second hydraulic oil pipe 4433 respectively Go out movable sleeve 4431；Wherein the second hydraulic oil pipe 4433 is also connected with adjusting cylinder 4435, and the adjustment cylinder 4435 passes through servomotor 4436 driving regulations.

Generally, fixed rotation processing is applied to short axle part, and the second clamping device 5 will not cause interference effect to it, and Walk heart rotation processing and be applied to long shaft part, part needs guiding through the first clamping device 4. when processing

When using fixed rotation processing, magnetic valve 4434 connects the first hydraulic oil pipe 4432 so that the first clamping device 4 Firmly it can process Clamp blocks；When using heart rotation processing is walked, magnetic valve 4434 connects the second hydraulic oil pipe 4433, together When by servomotor 4436 to adjustment cylinder 4435 be adjusted, change volume size, so as to rapidly and accurately change first folder Hold the clamping dynamics of mechanism 4, by above-mentioned method of adjustment, enable to the first clamping device 4 be exactly in do not clamp and part just The position that can be rotated well, ensure concentricity during part processing, ensure its high-precision processing request.

As illustrated, also include walking heart drive component 6, it is described walk heart drive component 6 include motor 61, screw mandrel 62, Second connecting seat 63, sliding rail 64；The hollow shaft motor 1 is connected with walking the bottom of heart seat 2 by the second connecting seat 63, And slide and be arranged on sliding rail 64, the drive connection screw mandrel 62 of motor 61, the connecting seat of screw mandrel 62 and second 63 screw threads coordinate.By the driving kind of drive of motor lead screw, realize hollow shaft motor 1, walk the sliding of the globality of heart seat 2, enter One step walks the purpose of heart rotation processing.

In addition, in order to further improve machining accuracy, job stability is improved, can be with as illustrated, by 2 clamping plates 43 relative sides set the arc groove 432 extended along the longitudinal direction, and the part for rotating processing is generally axial workpiece, passed through Arc groove 432 can preferably coordinate with part, and it is better to clamp centering.

As illustrated, the front end of the mounting seat 41 is provided with the first annular baffle plate 412 set along its outer edge, the work The outer wall of moving part 42 is fitted with the first annular inwall of baffle plate 412, and further movable part 42 is carried out by first annular baffle plate 412 One spacing, ensures that it slides along straight line, ensures clamp precision.

Likewise, the rear end of the mounting seat 41 is provided with the second ring baffle 414 set along its outer edge, the promotion The outer wall of block 441 fits with the inwall of the second ring baffle 414.

As illustrated, the inwall of the second ring baffle 414 is provided with the uniform positive stop lug boss 415 of some circumferences, the drive The outer wall of moving part 441 is provided with the limited impression being adapted to positive stop lug boss 415, further real by positive stop lug boss 415 and limited impression Existing location fit, and convenient installation.

Embodiment is not construed as the limitation to utility model, but it is any be based on spiritual improvements introduced of the present utility model, All should be within the scope of protection of the utility model.

Claims (6)

1. it is a kind of it is compound walk heart main shaft, it is characterised in that：Including hollow shaft motor（1）, walk heart seat（2）, central shaft（3）, first Clamping device（4）, the second clamping device（5）；

First clamping device（4）It is arranged on hollow shaft motor（1）One end, with hollow shaft motor（1）It is linked；

It is described walk heart seat（2）, central shaft（3）, the second clamping device（5）It is arranged on hollow shaft motor（1）The other end, in described Mandrel（3）Hollow shaft motor is inserted in one end（1）, with hollow shaft motor（1）It is linked, the other end is with passing through away heart seat（2）And With walking heart seat（2）Screw thread coordinates；

Second clamping device（5）Including collet（51）, pull bar（52）, pull-fork assembly（53）, the collet （51）Centrally disposed axle（3）Insert hollow shaft motor（1）Interior one end, and and central shaft（3）Axial slip and circumferential spacing Coordinate；The pull-fork assembly（53）It is arranged on away heart seat（2）On, the pull bar（52）In hollow structure, its one end passes through center Axle（3）Center simultaneously connects collet（51）, the other end passes through pull-fork assembly（53）And and pull-fork assembly（53）Screw thread coordinates.

2. it is according to claim 1 it is compound walk heart main shaft, it is characterised in that：The pull-fork assembly（53）Including shift fork seat （531）, driving lever（532）, 2 cylinders（533）, the shift fork seat（531）It is threadably secured and is connected to pull bar（52）On, it is described Driving lever（532）It is set in pull bar（52）Outside with shift fork seat（531）It is corresponding, 2 cylinders（533）It is fixedly mounted on away heart seat （2）On, and its output end respectively with driving lever（532）Both ends be hinged.

3. it is according to claim 1 it is compound walk heart main shaft, it is characterised in that：First clamping device（4）Including mounting seat （41）, movable part（42）, two clamping plates（43）, drive component（44）, the first connecting seat（48）；

The mounting seat（41）Pass through the first connecting seat（48）Installed in hollow shaft motor（1）On；

The mounting seat（41）Center is provided with the first centre bore（411）, the mounting seat（41）Front end face on be additionally provided with two Along the first centre bore（411）The installation base being arranged symmetrically（413）, two installation bases（413）Corresponding outside is provided with along preceding First straight line guide rail of the rear to extension（45）, two installation bases（413）Corresponding inner side is provided with and first straight line guide rail （45）Perpendicular second straight line guide rail（46）；

Two clamping plates（43）It is correspondingly arranged at two installation bases（413）Between, and with second straight line guide rail（46）Sliding Coordinate, the clamping plate（43）Lateral surface be inclined plane（431）, the inclined plane（431）It is provided with what is extended along the longitudinal direction 3rd line slideway（47）；

The movable part（42）It is set in two installation bases（413）Outside, and movable part（42）With first straight line guide rail（45）、 3rd line slideway（47）Sliding coordinates；

The drive component（44）Drive connection movable part（42）, movable part can be driven（42）Along first straight line guide rail（45）It is front and rear Sliding.

4. it is according to claim 3 it is compound walk heart main shaft, it is characterised in that：The drive component（44）Including actuator （441）, push rod（442）, hydraulic power supply（443）, sliding set（444）, power transmission shaft（445）；

The actuator（441）It is arranged on mounting seat（41）Rear end, its center be provided with and the first centre bore（411）Corresponding Two centre bores, and actuator（441）With mounting seat（41）Circumferential spacing cooperation；

The push rod（442）Along the first centre bore（411）It is arranged circumferentially, and push rod（442）Through mounting seat（41）, it two End is respectively against actuator（441）With movable part（42）；

The hydraulic power supply（443）Drive connection sliding set（444）, and the sliding set（444）In being slippingly set in Mandrel（3）Outside；

The power transmission shaft（445）It is set in central shaft（3）Outside, with central shaft（3）Spline fitted, and the power transmission shaft（445）If Put in actuator（441）Covered with sliding（444）Between；

The hollow shaft motor（1）Output end be connected with output set（11）, the output set（11）It is set in power transmission shaft（445） Outside, and and power transmission shaft（445）Spline fitted.

5. it is according to claim 4 it is compound walk heart main shaft, it is characterised in that：Hydraulic power supply（443）Including output activity Set（4431）, the first hydraulic oil pipe（4432）, the second hydraulic oil pipe（4433）, magnetic valve（4434）, adjustment cylinder（4435）, servo Motor（4436）；The magnetic valve（4434）In two-bit triplet structure, one connector connection hydraulic power source, two other connection Mouth passes through the first hydraulic oil pipe respectively（4432）, the second hydraulic oil pipe（4433）Connection output movable sleeve（4431）；Wherein second Hydraulic oil pipe（4433）It is also connected with adjusting cylinder（4435）, the adjustment cylinder（4435）Pass through servomotor（4436）Driving regulation.

6. it is according to claim 1 it is compound walk heart main shaft, it is characterised in that：Also include walking heart drive component（6）, it is described walk Heart drive component（6）Including motor（61）, screw mandrel（62）, the second connecting seat（63）, sliding rail；The hollow shaft motor （1）With walking heart seat（2）Bottom passes through the second connecting seat（63）It is connected, and slides and be arranged on sliding rail（64）On, it is described Motor（61）Drive connection screw mandrel（62）, the screw mandrel（62）With the second connecting seat（63）Screw thread coordinates.