CN204658177U - Lathe grinding electric main shaft - Google Patents
Lathe grinding electric main shaft Download PDFInfo
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- CN204658177U CN204658177U CN201520291896.3U CN201520291896U CN204658177U CN 204658177 U CN204658177 U CN 204658177U CN 201520291896 U CN201520291896 U CN 201520291896U CN 204658177 U CN204658177 U CN 204658177U
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Abstract
The utility model discloses a kind of lathe grinding electric main shaft, belong to grinding machine field, it comprises: armature spindle, rotating mechanism, power transmission shaft and feed mechanism; Described rotating mechanism is connected with described armature spindle, rotates around the axis of described armature spindle for driving described armature spindle; Described feed mechanism is connected with described power transmission shaft, moves back and forth along the axis of described power transmission shaft for driving described power transmission shaft; The right-hand member of described armature spindle and the left end socket connection of described power transmission shaft, to drive described power transmission shaft to rotate around the axis of described power transmission shaft when described armature spindle rotates; The right-hand member of described power transmission shaft is connected with the abrading article for grinding.It is simple that the utility model achieves lathe grinding electric spindle design by technique scheme, and compact conformation is with low cost, eliminates the structure driven with the guide rail of location and screw mandrel for feeding; Flexible grinding is realized by gas or hydraulic coupling and controllable adjustment structure.
Description
Technical field
The utility model relates to grinding machine field, particularly a kind of lathe grinding electric main shaft.
Background technology
Electro spindle, as the most basic machine tool component, is that direct carry its tools rotates, realizes the significant element cutting turning work piece.Traditional lathe will realize the feeding of cutter at electro spindle axial direction, and the feed system of respective direction must be coordinated to realize, and in prior art, feed system mainly contains following two kinds:
The first, even reductor and ball-screw or rack pinion realize the feed system of tool feeding to be equipped with motor.In this feed system, electro spindle is contained in electro spindle case, drive electro spindle case in the feeding of electro spindle axial direction by ball-screw or rack pinion, and then realize the feeding of electro spindle at electro spindle axial direction, thus realize the feeding of cutter at electro spindle axial direction, although its precision is high, feeding is steady, but cost is high, and complex structure;
The second, adopt the executive component such as external cylinder, hydraulic cylinder to realize the feed system of tool feeding, this feed system is particularly useful for the particular case of the amount of feeding less (such as cutting when cutting glass).In this feed system, electro spindle is contained in electro spindle case, drive electro spindle in the feeding of electro spindle axial direction by external cylinder or hydraulic cylinder, electro spindle case is in the feeding of electro spindle axial direction, and then realize the feeding of electro spindle at electro spindle axial direction, thus realize the feeding of cutter at electro spindle axial direction, although its cost is lower, but feed accuracy is low, the increase of the main spindle box volume holding electro spindle can be caused simultaneously.
Summary of the invention
Large in order at least solve electro spindle feed system volume in prior art, cost is high, baroque problem, and the utility model provides a kind of lathe grinding electric main shaft, and it comprises: armature spindle, rotating mechanism, power transmission shaft and feed mechanism; Described rotating mechanism is connected with described armature spindle, rotates around the axis of described armature spindle for driving described armature spindle; Described feed mechanism is connected with described power transmission shaft, moves back and forth along the axis of described power transmission shaft for driving described power transmission shaft; The right-hand member of described armature spindle and the left end socket connection of described power transmission shaft, to drive described power transmission shaft to rotate around the axis of described power transmission shaft when described armature spindle rotates; The right-hand member of described power transmission shaft is connected with the abrading article for grinding.
In lathe grinding electric main shaft as above, preferably, the right-hand member of described armature spindle has counterbore, the left end of described power transmission shaft and described counterbore socket connection along the axis direction of described armature spindle, wherein, the degree of depth of described counterbore is greater than the feed distance of described power transmission shaft.
In lathe grinding electric main shaft as above, preferably, the left end of described power transmission shaft has annular groove along the circumference of described power transmission shaft, described annular groove is embedded with wear ring and described wear ring stretches out outside described annular groove, and the left end of described power transmission shaft is by described wear ring and described counterbore socket connection.
In lathe grinding electric main shaft as above, preferably, described feed mechanism is Fluid-transmission feed mechanism; When described abrading article grinding, be formed with path for described Fluid-transmission feed mechanism provides between the sealing fluid chamber of the fluid source of fluid and described Fluid-transmission feed mechanism; Wherein, described sealing fluid chamber is used for containing fluid.
In lathe grinding electric main shaft as above, preferably, be provided with flow control valve respectively and between the fluid intake in described sealing fluid chamber and fluid issuing at described fluid source, when described abrading article grinding, described flow control valve is in open mode.
In lathe grinding electric main shaft as above, preferably, described feed mechanism comprises: cylinder barrel, in tubular, described cylinder barrel is provided with fluid intake and fluid issuing; First drive end bearing bracket, ringwise, the upper end of described first drive end bearing bracket is connected with the front end of described cylinder barrel; First rear end cap, ringwise, the upper end of described first rear end cap is connected with the rear end of described cylinder barrel; Piston rod, in tubular, the outer wall of described piston rod and described first drive end bearing bracket and described first rear end cap are tightly connected, and the outer wall of described piston rod is provided with projection, and described projection is connected with the inner wall sealing of described cylinder barrel; And clutch shaft bearing, the outer ring of described clutch shaft bearing is connected with the inwall of described piston rod, and the inner ring of described clutch shaft bearing is socketed on described power transmission shaft; Wherein, described piston rod, described cylinder barrel, described first drive end bearing bracket and described first rear end cap are formed and are used for containing fluid and ringwise sealing fluid chamber, and described fluid intake and described fluid issuing are respectively in the both sides of described projection.
In lathe grinding electric main shaft as above, preferably, described feed mechanism also comprises: V
dshape rubber seal; On the right-hand member edge of described power transmission shaft, described power transmission shaft axial direction is provided with adjutage, the left end of described adjutage and the right-hand member of described piston rod leave gap, and the left end of described adjutage is provided with groove; Described V
done end of shape rubber seal embeds in described groove, described V
dthe other end of shape rubber seal and the right-hand member of described piston rod are tightly connected.
In lathe grinding electric main shaft as above, preferably, described first rear end cap comprises: the first vertical section, and ringwise, the right-hand member of the described first vertical section is connected with the back-end sealing of described cylinder barrel; First horizontal segment, in tubular, the right-hand member of described first horizontal segment is connected with the left end of the described first vertical section; And the second vertical section, ringwise, the right-hand member of the described second vertical section is connected with the left end of described first horizontal segment, and the endoporus that the right-hand member of described armature spindle is formed in the described second vertical section stretches out with the left end socket connection with described power transmission shaft; Wherein, the first vertical section of described cylinder barrel, described first drive end bearing bracket, described first rear end cap and described piston rod form sealing fluid chamber.
In lathe grinding electric main shaft as above, preferably, described feed mechanism also comprises: bearing inner race fixture, is arranged on described power transmission shaft, for the inner ring of fixing described clutch shaft bearing; And bearing outer ring fixture, be arranged on the inwall of described piston rod, for the outer ring of fixing described clutch shaft bearing.
In lathe grinding electric main shaft as above, preferably, described rotating mechanism comprises: rotor axle box, the second drive end bearing bracket, the second rear end cap and motor; The two ends of described rotor axle box connect one to one to form the cavity holding described motor and described armature spindle with described second drive end bearing bracket and described second rear end cap respectively; The stator of described motor is fixed on the inwall of described rotor axle box, and the rotor of described motor is relative to the stator rotation of described motor, and the rotor of described motor is socketed on described armature spindle; Described second drive end bearing bracket is provided with through hole and stretches out the left end socket connection with described power transmission shaft outside described cavity to make the right-hand member of described armature spindle through described through hole.
The beneficial effect that the utility model embodiment is brought by technique scheme is as follows:
By the front end connection for transmission axle at armature spindle, and Fluid-transmission feed mechanism is connected with power transmission shaft, make, power transmission shaft can rotate with the rotation of armature spindle, can also move with the movement of Fluid-transmission feed mechanism, namely move back and forth, thus eliminate electro spindle feed system, do not use external cylinder or hydraulic cylinder, make electro spindle self realize tool feeding; By supporting flow control valve, the size of the speed adjustment and grinding force that more can realize feed speed controls, and electric spindle design is simple, compact conformation, volume are little, with low cost; By making Fluid-transmission feed mechanism be in packing state, thus make lathe grinding electric main shaft in process, realize the control of cutter automatic compensation and grinding force size.
Accompanying drawing explanation
The structural representation of a kind of lathe grinding electric main shaft that Fig. 1 provides for the utility model embodiment;
Wherein, in figure, symbol description is as follows:
1 armature spindle, 2 power transmission shafts, 20 emery wheels,
30 rotors, 31 stators, 40 rotor axle boxes, 42 second rear end caps, 43 second fore bearings,
44 second rear bearings, 51 cylinder barrels, 52 first drive end bearing brackets, 53 first rear end caps, 54 piston rods,
551 first rear bearings, 552 first fore bearings, 553 inner ring locking nuts, 554 outer ring locking nuts,
555 inner spacing collars, 556 outer separators, 557 protuberances, 558 projections, 24 adjutages,
19 V
dshape rubber seal, 21 labyrinth seals, 22 wear rings, 23 sealing fluid chambeies,
56 fluid intakes, 57 fluid issuings, 58 projections, 59 sealing rings, 531 first vertical sections,
532 first horizontal segments, 533 second vertical sections, 61 3 position-5 way magnetic valves, 62 flow control valves.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
See Fig. 1, the utility model embodiment provides a kind of lathe grinding electric main shaft, and it comprises: armature spindle 1, rotating mechanism, power transmission shaft 2 and feed mechanism.
Rotating mechanism is used for providing rotating power source, and it is connected with armature spindle 1 and rotates with the axis of drives rotor shaft 1 rotor axle 2.Rotating mechanism is preferably motor, and the rotor 30 of motor rotates relative to the stator 31 of motor, and the rotor 30 of motor is connected with armature spindle 1 and rotates with drives rotor shaft 1.Particularly, the rotor 30 of motor is socketed on armature spindle 1, and the stator 31 of motor is sheathed on rotor 30.In order to improve the safety and reliability of lathe grinding electric main shaft, rotating mechanism also comprises: rotor axle box 40, second drive end bearing bracket and the second rear end cap 42.The right-hand member of rotor axle box 40 is connected with the second drive end bearing bracket, and the left end of rotor axle box 40 is connected with the second rear end cap 42, thus makes rotor axle box 40, second drive end bearing bracket and the second rear end cap be connected to form cavity.The rotor 30 of motor is socketed on armature spindle 1 and rotates with the axis of drives rotor shaft 1 rotor axle 1, and the stator 31 of motor is arranged in cavity by being connected with the inwall of rotor axle box 40.Second drive end bearing bracket is provided with through hole, and the right-hand member of armature spindle 1 stretches out outside cavity through this through hole with the left end socket connection with power transmission shaft 2.The second fore bearing 43 is provided with in through hole, in the second rear end cap 42 is formed with groove, the cell wall of groove is provided with the second rear bearing 44, and the inner ring of inner ring and the second rear bearing 44 that the two ends of armature spindle 1 are plugged in the second fore bearing 43 is respectively beneficial to the rotation of armature spindle 1.In other examples, rotating mechanism can also be other mechanisms, and the present embodiment does not limit this.
The left end of power transmission shaft 2 and the right-hand member socket connection of armature spindle 1, the right-hand member of power transmission shaft 2 is connected with the abrading article for grinding.When armature spindle 1 rotates, power transmission shaft 2 is driven the axis around power transmission shaft 2 to rotate by armature spindle 1, thus drives abrading article to rotate, and realize grinding towards processed products, processed product is preferably glass.Particularly, can have counterbore at the right-hand member of armature spindle 1 along the axis direction of armature spindle 1, the degree of depth of this counterbore is greater than the feed distance of power transmission shaft 2, the counterbore socket connection on the left end of power transmission shaft 2 and armature spindle 1.Can also have counterbore at the left end of power transmission shaft 2 along the axis direction of power transmission shaft 2, the degree of depth of this counterbore is greater than the feed distance of power transmission shaft 2, the counterbore socket connection on the right-hand member of armature spindle 1 and power transmission shaft 2.Drive power transmission shaft 2 rotation and power transmission shaft 2 to move back and forth under the driving of feed mechanism to be beneficial to armature spindle 1, the section of counterbore is quadrangle, and namely the shape of counterbore is square endoporus, and the left end of power transmission shaft 2 is square profile.The axis of power transmission shaft 2 is preferably coaxial with the axis of armature spindle 1.Abrading article can be emery wheel 20, can also be cutter head.Feed distance is power transmission shaft 2 unidirectional maximum distance when moving reciprocatingly under the driving of feed mechanism, the maximum distance in direction or the maximum distance in direction from right to left from left to right in Fig. 1.
In order to improve the service life of power transmission shaft 2 and armature spindle 1, annular groove is had along the circumference of power transmission shaft 2 at the left end of power transmission shaft 2, annular groove is embedded with wear ring 22 and wear ring 22 stretches out outside annular groove, and the left end of power transmission shaft 2 is by the counterbore socket connection of wear ring 22 with armature spindle 1.
Feed mechanism is used for providing reciprocating motion power source, and it is connected with power transmission shaft 2 to drive power transmission shaft 2 to move back and forth along the axis of power transmission shaft 2.Feed mechanism is connected with the outer ring of clutch shaft bearing, and power transmission shaft is plugged in the inner ring of clutch shaft bearing, and feed mechanism drives clutch shaft bearing to move back and forth, thus drives drive shaft reciprocates.When abrading article carries out grinding to workpiece, in order to realize the auto-compensation in process, that is when grinding, although there is the generation of stock removal on workpiece, but rely on auto-compensation abrading article automatically to contact with workpiece so that apply grinding force always, feed mechanism is preferably Fluid-transmission feed mechanism, such as cylinder or hydraulic cylinder, and fluid is cylinder gas or hydraulic cylinder oil.When grinding, fluid source is in always and is in packing state to Fluid-transmission feed mechanism conveying fluid state to make Fluid-transmission feed mechanism, when being provided with valve between fluid source and Fluid-transmission feed mechanism, thus make to be formed with path between the fluid intake in the sealing fluid chamber of fluid source and Fluid-transmission feed mechanism.When valve is the fluid source valve for closing or open fluid source, this fluid source valve is in open mode; When valve be fluid source valve and the flow control valve 62 for adjust flux time, fluid source valve and flow control valve 62 are also in open mode, flow control valve 62 can be Pneumatic control proportioning valve, the feeding speed of fluid transmission feeding mechanism can be controlled by Flux Valve Control flow, thus control the feeding speed of power transmission shaft, be beneficial to the processed product that abrading article grinding is frangible, such as glass.
Particularly, feed mechanism comprises: cylinder barrel 51, first drive end bearing bracket 52, first rear end cap 53, piston rod 54 and clutch shaft bearing.
Wherein, cylinder barrel 51 is in tubular, cylinder barrel 51 is provided with fluid intake 56 and fluid issuing 57, the fluid passage that fluid intake 56 and fluid issuing 57 are formed comprises the first Vertical Channel perpendicular to drive shaft axis direction be communicated with successively, the first horizontal channel being parallel to drive shaft axis direction and the second Vertical Channel perpendicular to drive shaft axis direction, first Vertical Channel is communicated with outside fluid source, and the second Vertical Channel is communicated with following sealing fluid chamber 23.First drive end bearing bracket 52 ringwise, is connected with the front end of cylinder barrel 51.First rear end cap 53 ringwise, is connected with the rear end of cylinder barrel 51.Ringwise, the outer wall of piston rod 54 is provided with protruding 58 to piston rod 54, and protruding 58 are connected with the inner wall sealing of cylinder barrel 51, fluid intake 56 and fluid issuing 57 are respectively in the both sides of protruding 58, in FIG, there is fluid intake 56 in the left side of protruding 58, and there is fluid issuing 57 on the right side of protruding 58.Be positioned at piston rod outer wall on the left of in the of protruding 58 and the first rear end cap 53 is tightly connected, be positioned at piston rod outer wall on the right side of in the of protruding 58 and the first drive end bearing bracket 52 is tightly connected, cylinder barrel 51, first drive end bearing bracket 52, first rear end cap 53 and piston rod 54 are formed and are used for containing fluid and ringwise sealing fluid chamber 23, preferred cylinder barrel 51 and the first drive end bearing bracket 52 are integrally formed, and the axis direction of piston rod 54 is coaxial with the axis direction of power transmission shaft 2.The outer ring of clutch shaft bearing is connected with the inwall of piston rod 54, and the inner ring of clutch shaft bearing is socketed on power transmission shaft 2.The quantity of clutch shaft bearing is preferably the two: first rear bearing 551, first fore bearing 552, and one_to_one corresponding is connected with the left and right end of power transmission shaft 2 and the left and right end of piston rod 54.Be tightly connected and can be tightly connected for sealing ring, particularly, on protruding 58, have annular groove, the first drive end bearing bracket 52 has annular groove, the first rear end cap 53 has annular groove, in aforementioned three annular grooves, be embedded with sealing ring 59 respectively.Fluid intake 56 and fluid issuing 57 are when piston rod 54 moves along different motion direction, its effect is different, Figure 1 shows that example is described, when the piston rod 54 of feed mechanism moves from left to right, the fluid that fluid source provides enters the sealing fluid chamber be positioned on the left of in the of protruding 58 through fluid intake 56, the fluid being positioned at the sealing fluid chamber on the right side of in the of protruding 58 then flows out through fluid issuing 57; When the piston rod 54 of feed mechanism moves from right to left, the fluid that fluid source provides enters the sealing fluid chamber be positioned on the right side of in the of protruding 58 through fluid issuing 57, and the fluid being positioned at the sealing fluid chamber on the left of in the of protruding 58 then flows out through fluid intake 56.Preferably, fluid intake 56 and be provided with three level control valves between fluid issuing 57 and fluid source, such as 3 position-5 way magnetic valve 61, enter with fluid expulsion with the fluid realizing sealing fluid chamber difunctional.The structural representation of lathe grinding electric main shaft when fluid source is gas is illustrated in Fig. 1.
In order to prevent dust and foreign material from entering in the space of piston rod 54 and power transmission shaft 2 formation, affect the normal operation of lathe grinding electric main shaft, feed mechanism also comprises: V
dshape rubber seal 19; On the right-hand member edge of power transmission shaft 2, power transmission shaft 2 axial direction is provided with ringwise adjutage, gap is left between the left end of adjutage 24 and the right-hand member of piston rod 54, and adjutage 24 be provided with groove, meanwhile, the left end of adjutage 24 all leaves gap respectively and between the first drive end bearing bracket 52 and the front end of cylinder barrel 51; V
done end of shape rubber seal embeds in groove, V
dthe other end of shape rubber seal and the right-hand member of piston rod 54 are tightly connected.The quantity of groove is multiple, along setting gradually perpendicular to power transmission shaft 2 axial direction, is preferably two.In order to strengthen sealing effectiveness further, the gap location between cylinder barrel 51 and adjutage 24 is provided with labyrinth seal 21.V
dthe concrete structure of shape rubber seal can see JBT 6994-2007V
dshape rubber seal first rear end cap 53 comprises: the first vertical section 531, first horizontal segment 532 and the second vertical section 533.Ringwise, right-hand member and the cylinder barrel 51 of the first vertical section 531 are tightly connected first vertical section 531; First horizontal segment 532 is in tubular, and the right-hand member of the first horizontal segment 532 is connected with the left end of the first vertical section 531; Ringwise, the right-hand member of the second vertical section 533 is connected with the left end of the first horizontal segment 532 second vertical section 533, and the endoporus that the right-hand member of armature spindle 1 is formed via the second vertical section 533 stretches out with the left end socket connection with power transmission shaft 2; Wherein, the first vertical section 531 of cylinder barrel 51, first drive end bearing bracket 52, first rear end cap 53 and piston rod 54 form sealing fluid chamber, so make the structure of lathe grinding electric main shaft simpler, compact.In order to make structure simple, compact further and increase air-tightness simultaneously, first rear end cap 53 also comprises: be positioned at the second horizontal segment above cylinder barrel, the left end of the second horizontal segment is connected with the right-hand member of the first vertical section, and right-hand member and the cylinder barrel 51 of the second horizontal segment are tightly connected.Second drive end bearing bracket of preferred rotating mechanism adopts the first rear end cap, by second drive end bearing bracket of the first rear end cap as rotating mechanism.
In order to prevent clutch shaft bearing to be moved, feed mechanism also comprises: bearing inner race fixture and bearing outer ring fixture.Bearing inner race fixture is used for the inner ring of fixing clutch shaft bearing, and it is arranged on power transmission shaft 2; Bearing outer ring fixture is used for the outer ring of fixing clutch shaft bearing, and it is arranged on the inwall of piston rod 54.The quantity of clutch shaft bearing can be multiple, between the inner ring of adjacent two clutch shaft bearings, inner spacing collar is set, arrange outer separator between the outer ring of adjacent two clutch shaft bearings, the quantity of preferred clutch shaft bearing is two, and bearing inner race fixture comprises inner ring locking nut 553, inner spacing collar 555, protuberance 557.See Fig. 1, inner ring locking nut 553 to be fixed on power transmission shaft 2 and to be connected with the left side of the inner ring of the first rear bearing 551, inner spacing collar 555 is between the first forward and backward bearing and be connected with the inner ring of the first fore bearing, the inner ring of the first rear bearing, and protuberance 557 is along to be formed at perpendicular to power transmission shaft 2 axial direction on power transmission shaft 2 and to be connected with on the right side of the inner ring of the first fore bearing.Bearing outer ring fixture comprises: outer ring locking nut 554, outer separator 556, projection 558.Outer ring locking nut 554 to be fixed on piston rod 54 and to be connected with on the left of the outer ring of the first rear bearing, outer separator 556 is between the first forward and backward bearing and be connected with the outer ring of the first fore bearing, the outer ring of the first rear bearing, projection 558 to be formed on piston rod 54 and to be connected with on the right side of the outer ring of the first fore bearing, particularly, projection 558 extends to form along the axis direction perpendicular to piston rod 54 from the inwall of piston rod 54.Gap is had between projection 558 and protuberance 557.The outer wall of inner ring locking nut is provided with inner groovy, and the inwall of outer ring locking nut is provided with outer groove, and inside and outside groove is being arranged perpendicular to corresponding on power transmission shaft 2 axial direction to form passage between inside and outside circle locking nut.Projection 558 and protuberance 557 are all positioned at the left side of adjutage 24.In other examples, bearing inner race fixture can adopt bolt and end plate to fix, see in Fig. 1, and the inner ring fixed form of the second rear bearing.
Below for Fluid-transmission feed mechanism for the course of work of cylinder to the lathe grinding electric main shaft that the utility model provides describes in detail:
The built-in cylinder of design one is installed additional in the front end of armature spindle 1, piston rod 54 and the power transmission shaft 2 of cylinder fit together, power transmission shaft 2 is also connected with armature spindle 1 simultaneously, make power transmission shaft 2 while rotating with armature spindle 1, piston rod 54 can be followed move back and forth, cutter emery wheel is arranged on power transmission shaft 2, thus realizes rotation and the feeding of cutter emery wheel.
In sum, the beneficial effect that brings of the utility model embodiment is as follows:
By the front end connection for transmission axle at armature spindle, and Fluid-transmission feed mechanism is connected with power transmission shaft, make, power transmission shaft can rotate with the rotation of armature spindle, can also move with the movement of Fluid-transmission feed mechanism, thus eliminate electro spindle feed system, namely do not use external cylinder or hydraulic cylinder, make electro spindle self realize tool feeding; By supporting flow control valve, the size of the speed adjustment and grinding force that more can realize feed speed controls, and electric spindle design is simple, compact conformation, volume are little, with low cost; By making Fluid-transmission feed mechanism be in packing state, thus make lathe grinding electric main shaft in process, realize the control of cutter automatic compensation and grinding force size; Eliminate the structure driven with the guide rail of location and screw mandrel for feeding; Flexible grinding is realized by gas or hydraulic coupling and controllable adjustment structure (i.e. flow control valve).
As known by the technical knowledge, the utility model can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Allly all to be included in the utility model within the scope of the utility model or being equal to the change in scope of the present utility model.
Claims (10)
1. a lathe grinding electric main shaft, is characterized in that, described lathe grinding electric main shaft comprises: armature spindle, rotating mechanism, power transmission shaft and feed mechanism;
Described rotating mechanism is connected with described armature spindle, rotates around the axis of described armature spindle for driving described armature spindle;
Described feed mechanism is connected with described power transmission shaft, moves back and forth along the axis of described power transmission shaft for driving described power transmission shaft;
The right-hand member of described armature spindle and the left end socket connection of described power transmission shaft, to drive described power transmission shaft to rotate around the axis of described power transmission shaft when described armature spindle rotates;
The right-hand member of described power transmission shaft is connected with the abrading article for grinding processed product.
2. lathe grinding electric main shaft according to claim 1, it is characterized in that, the right-hand member of described armature spindle has counterbore, the left end of described power transmission shaft and described counterbore socket connection along the axis direction of described armature spindle, wherein, the degree of depth of described counterbore is greater than the feed distance of described power transmission shaft.
3. lathe grinding electric main shaft according to claim 2, it is characterized in that, the left end of described power transmission shaft has annular groove along the circumference of described power transmission shaft, described annular groove is embedded with wear ring and described wear ring stretches out outside described annular groove, and the left end of described power transmission shaft is by described wear ring and described counterbore socket connection.
4. lathe grinding electric main shaft according to claim 1, is characterized in that, described feed mechanism is Fluid-transmission feed mechanism;
When described abrading article grinding, be formed with path for described Fluid-transmission feed mechanism provides between the sealing fluid chamber of the fluid source of fluid and described Fluid-transmission feed mechanism;
Wherein, described sealing fluid chamber is used for containing fluid.
5. lathe grinding electric main shaft according to claim 4, it is characterized in that, be provided with flow control valve respectively and between the fluid intake in described sealing fluid chamber and fluid issuing at described fluid source, when described abrading article grinding, described flow control valve is in open mode.
6. lathe grinding electric main shaft according to claim 1, is characterized in that, described feed mechanism comprises:
Cylinder barrel, in tubular, described cylinder barrel is provided with fluid intake and fluid issuing;
First drive end bearing bracket, ringwise, the upper end of described first drive end bearing bracket is connected with the front end of described cylinder barrel;
First rear end cap, ringwise, the upper end of described first rear end cap is connected with the rear end of described cylinder barrel; And
Piston rod, in tubular, the outer wall of described piston rod and described first drive end bearing bracket and described first rear end cap are tightly connected, and the outer wall of described piston rod is provided with projection, described projection is connected with the inner wall sealing of described cylinder barrel, and the inwall of described piston rod is connected with the outer ring of clutch shaft bearing;
Wherein, described piston rod, described cylinder barrel, described first drive end bearing bracket and described first rear end cap are formed and are used for containing fluid and ringwise sealing fluid chamber, described fluid intake and described fluid issuing are respectively in the both sides of described projection, and the inner ring of described clutch shaft bearing is socketed on described power transmission shaft.
7. lathe grinding electric main shaft according to claim 6, is characterized in that, described feed mechanism also comprises: V
dshape rubber seal;
On the right-hand member edge of described power transmission shaft, described power transmission shaft axial direction is provided with adjutage, the left end of described adjutage and the right-hand member of described piston rod leave gap, and the left end of described adjutage is provided with groove;
Described V
done end of shape rubber seal embeds in described groove, described V
dthe other end of shape rubber seal and the right-hand member of described piston rod are tightly connected.
8. lathe grinding electric main shaft according to claim 6, is characterized in that, described first rear end cap comprises:
First vertical section, ringwise, the right-hand member of the described first vertical section is connected with the back-end sealing of described cylinder barrel;
First horizontal segment, in tubular, the right-hand member of described first horizontal segment is connected with the left end of the described first vertical section; And
Second vertical section, ringwise, the right-hand member of the described second vertical section is connected with the left end of described first horizontal segment, and the endoporus that the right-hand member of described armature spindle is formed in the described second vertical section stretches out with the left end socket connection with described power transmission shaft;
Wherein, the first vertical section of described cylinder barrel, described first drive end bearing bracket, described first rear end cap and described piston rod form sealing fluid chamber.
9. lathe grinding electric main shaft according to claim 6, is characterized in that, described feed mechanism also comprises:
Bearing inner race fixture, is arranged on described power transmission shaft, for the inner ring of fixing described clutch shaft bearing; And
Bearing outer ring fixture, is arranged on the inwall of described piston rod, for the outer ring of fixing described clutch shaft bearing.
10. lathe grinding electric main shaft according to claim 1, is characterized in that, described rotating mechanism comprises: rotor axle box, the second drive end bearing bracket, the second rear end cap and motor;
The two ends of described rotor axle box connect one to one to form the cavity holding described motor and described armature spindle with described second drive end bearing bracket and described second rear end cap respectively;
The stator of described motor is fixed on the inwall of described rotor axle box, and the rotor of described motor is relative to the stator rotation of described motor, and the rotor of described motor is socketed on described armature spindle;
Described second drive end bearing bracket is provided with through hole and stretches out the left end socket connection with described power transmission shaft outside described cavity to make the right-hand member of described armature spindle through described through hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520291896.3U CN204658177U (en) | 2015-05-07 | 2015-05-07 | Lathe grinding electric main shaft |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520291896.3U CN204658177U (en) | 2015-05-07 | 2015-05-07 | Lathe grinding electric main shaft |
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| CN204658177U true CN204658177U (en) | 2015-09-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802075A (en) * | 2015-05-07 | 2015-07-29 | 格拉斯曼机床（北京）有限公司 | Grinding electric spindle of machine tool |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802075A (en) * | 2015-05-07 | 2015-07-29 | 格拉斯曼机床（北京）有限公司 | Grinding electric spindle of machine tool |
| CN104802075B (en) * | 2015-05-07 | 2017-05-03 | 格拉斯曼机床（北京）有限公司 | Grinding electric spindle of machine tool |
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