CN207642310U - A kind of servo-drive automatic tool changer main shaft - Google Patents
A kind of servo-drive automatic tool changer main shaft Download PDFInfo
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- CN207642310U CN207642310U CN201721064883.8U CN201721064883U CN207642310U CN 207642310 U CN207642310 U CN 207642310U CN 201721064883 U CN201721064883 U CN 201721064883U CN 207642310 U CN207642310 U CN 207642310U
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- rotary shaft
- main shaft
- tool changer
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Abstract
The utility model discloses a kind of servo-drive automatic tool changer main shafts, including：Rotary shaft, the casing body of fixed rotary shaft, the fixation kit of fixed rotary shaft and casing body, it is installed on the series connection bearing group at casing body both ends, it is connected to the transmission case of casing body, the servo mechanism operated by transmission case driving spindle is connected to rotary shaft and can realize the Pneumatic tool-changing apparatus of automatic tool changer；Pneumatic tool-changing apparatus composition has：The push rod being installed in rotary shaft, the pressing sleeve being fixed on push rod, the spring part being set between rotary shaft and push rod, the cylinder assembly of driving push rod action.The utility model provides a kind of servo-drive automatic tool changer main shaft, which there is stable torque output, convenient and reliable interface to connect form, high-precision rotary ability, easy to operate advantage.
Description
Technical field
The utility model belongs to electromechanical engineering technical field, and in particular to a kind of main shaft.
Background technology
Main shaft refers to the axis for receiving power from engine or motor and it being transmitted to other parts.In current domestic horizontal carving
In milling industry, critical piece of the main shaft as driving rotation and positioning, it is necessary to stable torque output, high running accuracy,
Convenient and reliable interface connects form, to meet the needs of market, the also unresolved this problem of the prior art.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of servo-drive automatic tool changer masters
There is stable torque output, convenient and reliable interface to connect form for axis, the main shaft, and high-precision rotary ability is easy to operate
Advantage.
In order to realize above-mentioned target, the utility model adopts the following technical scheme：
A kind of servo-drive automatic tool changer main shaft, including：Rotary shaft, the casing body of fixed rotary shaft, fixed rotary shaft and
The fixation kit of casing body is installed on the series connection bearing group at casing body both ends, is connected to the transmission case of casing body, passes through transmission case
The servo mechanism of driving spindle operating, is connected to rotary shaft and can realize the Pneumatic tool-changing apparatus of automatic tool changer；Pneumatic tool changing
Device composition has：The push rod being installed in rotary shaft, the pressing sleeve being fixed on push rod, the spring being set between rotary shaft and push rod
Part, the cylinder assembly of driving push rod action.
A kind of servo-drive automatic tool changer main shaft above-mentioned, cylinder assembly composition have：The front cylinder block of pressing sleeve movement is driven,
It is connected to the secondary piston of front cylinder block, is connected to the rear piston of secondary piston, the rear cylinder of piston after being connected to, after being fixed on
The rear cover of cylinder block is set to cylinder intake between front cylinder block, rear cylinder and rear cover, return line, be set to front cylinder block,
Piston return spring inside rear cylinder.
A kind of servo-drive automatic tool changer main shaft above-mentioned, fixation kit composition have：It is fixed on casing body and series connection bearing
End cap between group, the front end gland being fixed on end cap, the sealing cover being fixed in rotary shaft are contacted with main shaft and pass through bullet
Spring part fixes elastic card claw on the rotary shaft, the limit stop ring being fixed between elastic card claw and rotary shaft.
A kind of servo-drive automatic tool changer main shaft above-mentioned, after cover equipped with intake interface, return-air interface；The side of transmission case
Face is equipped with sealing gland entrance.
A kind of servo-drive automatic tool changer main shaft above-mentioned, sealing gland entrance and casing body, end cap, front end gland, dust cover
Connection forms compression air flow channel, and compression air flow channel generates micro-positive pressure air in dust cover, and micro-positive pressure air passes through dust-proof
Gap between cover and rotary shaft is flowed out, and one layer of air film is formd around the shaft end of main shaft.
A kind of servo-drive automatic tool changer main shaft above-mentioned, fixation kit, which also forms, to be had：The tapered sleeve being fixed on end cap, Gu
Due to the dust cover on sealing cover and tapered sleeve.
A kind of servo-drive automatic tool changer main shaft above-mentioned, series connection bearing group composition have：Set on rotary shaft one end and connect
The fore bearing being installed between front end gland and end cap set on the rotary shaft other end and is installed in series in the rear axle of machine enclosure interior
It holds.
A kind of servo-drive automatic tool changer main shaft above-mentioned is equipped with preceding spacer ring group between two pairing bearings of fore bearing,
Preceding spacer ring group is made of preceding outer ring spacer and preceding cone spacer；It is equipped with rear spacer ring group, rear spacer ring between two pairing bearings of rear bearing
Group is made of front and back spacer ring and rear cone spacer.
A kind of servo-drive automatic tool changer main shaft above-mentioned, servo mechanism composition have：Servo motor is connected to servo motor
Planetary reducer, be connected to the servo controller of servo motor.
A kind of servo-drive automatic tool changer main shaft above-mentioned, elastic card claw are eight valve structure elastic card claws.
The utility model is beneficial in that：The utility model provides a kind of servo-drive automatic tool changer main shaft, this reality
It is controlled using servo mechanism with novel main shaft, compact overall structure, reliable, convenient operation and control；The utility model is equipped with high
The closed-loop control of precision encoding device, it can be achieved that any position precise positioning；The utility model is improved using series connection bearing assembly
The precision of main shaft, damage when effectively reducing cutter-exchange mechanism work to bearing, improves the service life of electro spindle；The utility model
Easy for operation equipped with Pneumatic tool-changing apparatus, reliability is high；Main shaft carries out contactless hermetic seal and fan using compressed air
Palace formula seals the mode being combined, and better seal effect is obtained with this.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model；
Fig. 2 is a kind of structural schematic diagram of embodiment of the utility model rear cover；
Fig. 3 is a kind of structural schematic diagram of embodiment of the utility model carrying case；
The meaning of reference numeral in figure：
1 elastic card claw, 2 limit stop rings, 3 dust covers, 4 sealing covers, 5 front end glands, 6 tapered sleeves, 7 end caps, 8
Preceding spacer ring group, 9 fore bearings, 10 casing bodies, 11 rotary shafts, 12 push rods, 13 pre-tightening apparatus, bearing after 14, after 15 every
Circle group, 16 servo mechanisms, 17 rear covers, piston after 18,19 rear cylinders, 20 secondary pistons, 21 front cylinder blocks, 22 pressing sleeves,
23 transmission cases, 231 synchronizing wheel A, 232 synchronizing wheel B, 233 synchronous belts, 234 synchronous belt strainers, 24 lock nuts,
25 disc springs, AI intake interfaces, AO return-air interfaces, AS sealing gland entrances.
Specific implementation mode
Specific introduce is made to the utility model below in conjunction with the drawings and specific embodiments.
A kind of servo-drive automatic tool changer main shaft, including：Rotary shaft 11, the casing body 10 of fixed rotary shaft 11, fixed rotation
The fixation kit of shaft 11 and casing body 10 is installed on the series connection bearing group at 10 both ends of casing body, is connected to the biography of casing body 10
Dynamic case 23, the servo mechanism 16 operated by 23 driving spindle of transmission case are connected to rotary shaft 11 and can realize automatic tool changer
Pneumatic tool-changing apparatus；Pneumatic tool-changing apparatus composition has：The push rod 12 being installed in rotary shaft 11, the pressure being fixed on push rod 12
Set 22, the spring part being set between rotary shaft 11 and push rod 12, the cylinder assembly that driving push rod 12 is taken action.As a preferred embodiment,
Spring part is disc spring 25.Stablize fixed conveyor case 23 by lock nut 24.It is equipped between push rod 12 and cylinder assembly and pre-tightens dress
Set 13.
Cylinder assembly composition has：The front cylinder block 21 for driving pressing sleeve 22 to move, is connected to the secondary piston 20 of front cylinder block 21,
It is connected to the rear piston 18 of secondary piston 20, the rear cylinder 19 of piston 18, is fixed on the rear cover of rear cylinder 19 after being connected to
17, be set to cylinder intake between front cylinder block 21, rear cylinder 19 and rear cover 17, return line, be set to front cylinder block 21, after
Piston return spring inside cylinder block 19.As shown in Fig. 2, when unclamping work, compressed air is by forming on rear cover 17
Intake interface AI is passed through, and pressure conversion is pushed piston Forward for thrust in cylinder body.When clamping workpiece, compressed air is from rear cover
The return-air interface AO formed on 17 is passed through the reset of formula cylinder, while disc spring 25 resets and generating pulling force makes elastic card claw 1 shrink change
Shape is to clamp workpiece.
Fixation kit composition has：The end cap 7 for being fixed on casing body 10 between bearing group of connecting, is fixed on end cap 7
Front end gland 5, the sealing cover 4 being fixed in rotary shaft 11 are contacted with main shaft and are fixed in rotary shaft 11 by spring part
Elastic card claw 1, the limit stop ring 2 being fixed between elastic card claw 1 and rotary shaft 11.As a preferred embodiment, elastic card claw 1 is eight
Valve structure elastic card claw 1, the elasticity of eight valve structure elastic card claws 1, rigidity, fatigue performance are good, elastic card claw 1 by taper and
End face is contacted with main shaft, is fixed in rotary shaft 11 by disc spring 25.In order to increase leakproofness and dust tightness, fixation kit also group
Cheng You：The tapered sleeve 6 being fixed on end cap 7, the dust cover 3 being fixed on sealing cover 4 and tapered sleeve 6.
Rear cover 17 is equipped with intake interface AI, return-air interface AO, and 23 side of transmission case is equipped with sealing gland entrance AS.Sealing gland entrance
AS is connected to form compression air flow channel with casing body 10, end cap 7, front end gland 5, dust cover 3, and compression air flow channel is in dust cover
Micro-positive pressure air is generated in 3, micro-positive pressure air is flowed out by the gap between dust cover 3 and rotary shaft 11, in the shaft end of main shaft
Surrounding forms one layer of air film.Due to being combined using contactless hermetic seal and labyrinth sealing, so as to avoid the external world
Moisture, impurity enter main shaft and achieve the effect that non-contacting seal.
Series connection bearing group composition has：Set on 11 one end of rotary shaft and before being installed in series between front end gland 5 and end cap 7
Bearing 9 set on 11 other end of rotary shaft and is installed in series in the rear bearing 14 inside casing body 10.In two pairings of fore bearing 9
Preceding spacer ring group 8 is equipped between bearing, preceding spacer ring group 8 is made of preceding outer ring spacer and preceding cone spacer；Two in rear bearing 14 match axis
Rear spacer ring group 15 is equipped between holding, rear spacer ring group 15 is made of front and back spacer ring and rear cone spacer.Such design greatlys improve
The static state and dynamic rate of main shaft, while traditional DB combining forms become present DT combining forms, the axis of bearing
It is also increased exponentially to cutting force.
The composition of servo mechanism 16 has：Servo motor is connected to the planetary reducer of servo motor, is connected to servo motor
Servo controller.
The composition of transmission case 23 has：Synchronizing wheel A231, synchronizing wheel B232 are connected to synchronizing wheel A231 and synchronizing wheel B232 and pass
The synchronous belt 233 of graduating power is connected to the synchronous belt strainer 234 of synchronous belt 233.
The utility model provides a kind of servo-drive automatic tool changer main shaft, and the main shaft of the utility model uses servo mechanism 16
Control, compact overall structure, reliable, convenient operation and control；The utility model be equipped with high-precision encoder closed-loop control, it can be achieved that
The precise positioning of any position；The utility model is improved the precision of main shaft, is effectively reduced tool changing machine using series connection bearing assembly
Damage when structure works to bearing, improves the service life of electro spindle, the utility model is optimized by the structure to main shaft
Design, main shaft low torque is big, and the rotary speed working of 0-1000rpm is stablized；The utility model is equipped with Pneumatic tool-changing apparatus, and operation makes
With convenient, reliability height, grinding, Milling Process suitable for a variety of materials；Main shaft carries out contactless gas using compressed air
The mode that sealing and labyrinth sealing are combined, better seal effect is obtained with this.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
The technical solution obtained, all falls in the scope of protection of the utility model.
Claims (9)
1. a kind of servo-drive automatic tool changer main shaft, which is characterized in that including：Rotary shaft, the casing body of fixed above-mentioned rotary shaft,
The fixation kit of fixed above-mentioned rotary shaft and casing body, is installed on the series connection bearing group at said machine casing body both ends, is connected to above-mentioned
The transmission case of casing body, the servo mechanism operated by above-mentioned transmission case driving spindle, is connected to above-mentioned rotary shaft and can be real
The Pneumatic tool-changing apparatus of existing automatic tool changer；Above-mentioned Pneumatic tool-changing apparatus composition has：The push rod being installed in rotary shaft, is fixed on and pushes away
Pressing sleeve on bar, the spring part being set between rotary shaft and push rod, drives the cylinder assembly of above-mentioned push rod action；Above-mentioned air cylinder group
Part composition has：The front cylinder block for driving above-mentioned pressing sleeve movement, is connected to the secondary piston of above-mentioned front cylinder block, is connected to above-mentioned preceding living
The rear piston of plug, the rear cylinder of piston, is fixed on the rear cover of above-mentioned rear cylinder after being connected to, and is set to above-mentioned front air cylinder
Cylinder intake, return line between body, rear cylinder and rear cover, the piston inside above-mentioned front cylinder block, rear cylinder
Return spring.
2. a kind of servo-drive automatic tool changer main shaft according to claim 1, which is characterized in that above-mentioned fixation kit composition
Have：The end cap for being fixed on said machine casing body between bearing group of connecting, the front end gland being fixed on end cap are fixed on above-mentioned rotation
Sealing cover in shaft is contacted with main shaft and the elastic card claw by spring part fixation on the rotary shaft, is fixed on above-mentioned elasticity
Limit stop ring between claw and rotary shaft.
3. a kind of servo-drive automatic tool changer main shaft according to claim 1, which is characterized in that covered after above-mentioned equipped with into
The side of gas interface, return-air interface, above-mentioned transmission case is equipped with sealing gland entrance.
4. a kind of servo-drive automatic tool changer main shaft according to claim 3, which is characterized in that above-mentioned sealing gland entrance and machine
Shell, end cap, front end gland, dust cover are connected to form compression air flow channel, and above-mentioned compression air flow channel generates in dust cover
Micro-positive pressure air, above-mentioned micro-positive pressure air are flowed out by the gap between dust cover and rotary shaft, the shape around the shaft end of main shaft
At one layer of air film.
5. a kind of servo-drive automatic tool changer main shaft according to claim 2, which is characterized in that above-mentioned fixation kit also group
Cheng You：The tapered sleeve being fixed on above-mentioned end cap, the dust cover being fixed on above-mentioned sealing cover and tapered sleeve.
6. a kind of servo-drive automatic tool changer main shaft according to claim 2, which is characterized in that above-mentioned series connection bearing group group
Cheng You：Set on above-mentioned rotary shaft one end and the fore bearing that is installed in series between front end gland and end cap, it is set to above-mentioned rotary shaft
The other end and the rear bearing for being installed in series in machine enclosure interior.
7. a kind of servo-drive automatic tool changer main shaft according to claim 6, which is characterized in that in two pairings of fore bearing
Preceding spacer ring group is equipped between bearing, above-mentioned preceding spacer ring group is made of preceding outer ring spacer and preceding cone spacer；Two in rear bearing match axis
Rear spacer ring group is equipped between holding, above-mentioned rear spacer ring group is made of front and back spacer ring and rear cone spacer.
8. a kind of servo-drive automatic tool changer main shaft according to claim 1, which is characterized in that above-mentioned servo mechanism composition
Have：Servo motor is connected to the planetary reducer of above-mentioned servo motor, is connected to the servo controller of above-mentioned servo motor.
9. a kind of servo-drive automatic tool changer main shaft according to claim 2, which is characterized in that above-mentioned elastic card claw is eight
Valve structure elastic card claw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721064883.8U CN207642310U (en) | 2017-08-24 | 2017-08-24 | A kind of servo-drive automatic tool changer main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721064883.8U CN207642310U (en) | 2017-08-24 | 2017-08-24 | A kind of servo-drive automatic tool changer main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207642310U true CN207642310U (en) | 2018-07-24 |
Family
ID=62886585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721064883.8U Active CN207642310U (en) | 2017-08-24 | 2017-08-24 | A kind of servo-drive automatic tool changer main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207642310U (en) |
-
2017
- 2017-08-24 CN CN201721064883.8U patent/CN207642310U/en active Active
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