CN102909440B - Synchronous tapping machine with retractable inner shaft of motor - Google Patents
Synchronous tapping machine with retractable inner shaft of motor Download PDFInfo
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- CN102909440B CN102909440B CN201210435464.6A CN201210435464A CN102909440B CN 102909440 B CN102909440 B CN 102909440B CN 201210435464 A CN201210435464 A CN 201210435464A CN 102909440 B CN102909440 B CN 102909440B
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Abstract
The invention relates to a synchronous tapping machine with an inner shaft of a motor being capable of stretching out and retracting. The tapping machine comprises a rack, a squirrel-cage motor, a gear box, a lead screw nut transmission mechanism, a cylinder idle stroke rapid mechanism and a stop brake mechanism, wherein the inner shaft of the squirrel-cage motor can stretch freely, a cutter is arranged at the lower end of the inner shaft, the squirrel-cage motor is fixed on the rack, the gear box is installed on a rear cover of the squirrel-cage motor, the lead screw nut transmission mechanism and the stop brake mechanism are fixedly installed in the gear box, the cylinder idle stroke rapid mechanism is installed at the upper end of a lead screw of the lead screw nut transmission mechanism, through the cooperation of the gear box and the lead screw nut transmission mechanism, the squirrel-cage motor drives the inner shaft of the squirrel-cage motor to stretch and rotate, and through the cylinder idle stroke rapid mechanism and the stop brake mechanism, the squirrel-cage motor controls the idle stroke advance and brake of the inner shaft of the squirrel-cage motor.
Description
Technical field
The present invention relates to the tooth machining unit in a kind of machining equipment, particularly to realize idle stroke using cylinder quick for one kind
Retreat, drive nut rotation using motor positive and inverse and by the speed change of belt and gear, screw mandrel be sent into and retreat to realize with
The tooth machining unit of step screw thread process.
Background technology
Existing synchronous tooth machining unit, typically by threephase asynchronous machine, belt, main shaft, lifting set, electromagnetic clutch, screw mandrel
And gear forms, motor is connected with main shaft and screw mandrel with belt by gear.The feeding needing when fast advance and retreat and synchronous tapping
Speed utilizes electromagnetic clutch, make the gear of the different size number of teeth switch over ratcheting complete, make power supply commutation real using switch
Existing motor positive and inverse drives main shaft and screw mandrel rotating, controls main shaft to move forward and backward to realize synchronous tapping.
The defect of this structure is: application motor control main shaft, electromagnetic clutch switch over ratcheting completing null
The fast advance and retreat of journey presses pitch advance and retreat with impulse stroke, and structure is relative complex, and the accuracy of manufacture has high demands, and cost is also high.
Content of the invention
It is an object of the invention to overcoming drawbacks described above, providing one kind to realize idle stroke fast advance and retreat using cylinder, utilizing
Motor positive and inverse and the speed change drive screw mandrel feeding by belt and gear and retrogressing to realize the tooth machining unit of synchronous screw thread process.
Scheme of the present invention is: a kind of retractable synchronous tooth machining unit of inner shaft of motor it is characterised in that: include machine
Frame 9, squirrel cage motor 1, change speed gear box 19, screw nut driving mechanism, cylinder idle stroke quick mechanism and shutdown brake mechanism；Institute
State the interior axle retractable of squirrel cage motor 1, its bottom is provided with cutter, squirrel cage motor 1 is fixed in frame 9, become
Fast case 19 covers after being arranged on squirrel cage motor 1, and screw nut driving mechanism and shutdown brake mechanism are fixedly mounted on speed change
In case 19, cylinder idle stroke quick mechanism is arranged on the screw mandrel upper end of screw nut driving mechanism, and described squirrel cage motor 1 passes through
Change speed gear box 19 is matched with screw nut driving mechanism the flexible of the interior axle driving squirrel cage motor 1 and rotating, empty by cylinder
The idle stroke of the interior axle of stroke quick mechanism and shutdown brake mechanism controls squirrel cage motor 1 is advanced and shutdown brake.
The rotor core 2 medium pore reaming of described squirrel cage motor 1, rotor core 2 internal diameter after reaming no more than turns
The internal diameter of fence cage in sub- iron core 2；Electric machine main shaft is by the sleeve body 3 with internal spline for the split type stage casing and corresponding stage casing band
4 sets of the interior axle of external splines is combined into, and sleeve body 3 endoporus leading portion and back segment are cylindrical hole, and interlude is internal spline, and leading portion external diameter is
External screw thread, sleeve body 3 is cylindrical to be tightly fixed in rotor core 2 medium pore, and interior axle 4 leading portion and back segment are optical axis, interlude
For external splines, the bottom of optical axis is provided with internal taper hole and external screw thread for installing chuck, using a Step Shaft 5 front end spiral shell
Stricture of vagina post screws up in the central screw hole being fixed on the setting of interior axle 4 rear end face, and Step Shaft 5 is oppressed return spring 6 in axle sleeve simultaneously
The endoporus back segment of body 3 be internal spline after the space that formed of back segment optical axis of endoporus and interior axle 4 in, Step Shaft 5 upper surface central authorities
In hole, set puts a steel ball 7；Waterproof cover 8 screws up on the external screw thread being fixed on sleeve body 3 leading portion external diameter, and squirrel cage motor 1
End cap has certain gap to coordinate.
Institute's speed transmission includes the fixing dress of synchronous pulley 10, lower synchronous pulley and gear being arranged on sleeve body 3 back segment
Put, upper synchronous pulley and gear fixing device, the first Timing Belt 11, the second Timing Belt 29, synchronous pulley 30 and gear-box case
20, gear-box case 20 is integrally attached to after squirrel cage motor 1 cover by screw.
The external diameter stationary fit of described synchronous pulley 10, its endoporus and sleeve body 3 back segment；Keyway in endoporus also with sleeve body
Keyway on 3 back segment external diameters corresponds to, and is connected together with sleeve body 3 by key.
Described lower synchronous pulley and gear fixing device: include lower synchronous pulley 12, bearing 15, lower bearing fixed seat 13,
Bearing plate 14, gear fixed plate 16, gear 18 and locating pin 17；There is concentric steps hole, stage casing coordinates in lower synchronous pulley 12
Equipped with bearing 15, there is the lower bearing fixed seat 13 of a step shaft-like, big end is fixed by screws on gear-box case 20, small end
With bearing 15 endoporus stationary fit.The big side pressure of bearing plate 14 of step plate-like on bearing 15 inner ring, fixed with lower bearing by small end
The interior stepped hole of seat 13 becomes gap to coordinate, and a screw passes through the endoporus of bearing plate 14, bearing plate 14 connecting shaft is held 15 solid
It is scheduled on the central screw hole of lower bearing fixed seat 13；Carry female step plate-like gear fixed plate 16, same by screw
The heart is fixed on lower synchronous pulley 12 central authorities, inside has the gear 18 of concentric steps wellhole, its step well internal diameter and gear fixed plate 16
Outer step stationary fit, is concentrically mounted to the central authorities of gear fixed plate 16 by screw and locating pin 17.
Described upper synchronous pulley and gear fixing device: synchronous pulley 24 in inclusion, bearing 25, upper bearing (metal) fixed seat 26,
Bearing plate 23, gear fixed plate 22, gear 21, locating pin 17, pressing plate 27 and fixing nut 28；Upper bearing (metal) fixed seat 26 is pacified
The structure of dress bearing one end and the mounting means of other parts ined succession and lower bearing fixed seat 13 duplicate；Other end system cylinder
Shape, head carry external screw thread, through gear-box case 20 top hole position and pressing plate 27 centre bore, by fixing nut 28, screw up
It is fixed on gear-box case 20.
Described screw nut driving mechanism: include the screw mandrel 35 with endoporus being fixed on cylinder base plate 37, by spiral shell
Nail is fixed on synchronous pulley 30, and external form is in concentric steps axle, the externally threaded mother nut of small end band 31, bearing 32, clamp nut
34 and bearing cover 33；The internal diameter of bearing 32 becomes stationary fit with external diameter in the middle part of the Step Shaft of mother nut 31.Clamp nut 34 screws up
At the screw thread of mother nut 31, push down the inner ring of bearing 32；The stepped hole Cheng Jing of the external diameter of bearing 32 and gear-box case 20 joins
Close；Plate-like bearing cover 33 with stepped hole pushes down the outer ring of bearing 32, is fixed on gear-box case 20, screw mandrel 35 screws up simultaneously
Through mother nut 31.
Described cylinder idle stroke quick mechanism: include cylinder 38, cylinder base plate 37, push rod 36, stop nut 42, cylinder
38 are fixed on cylinder base plate 37, and cylinder rod lower end and the externally threaded push rod of cylindrical head band 36 screw up fixation, outside push rod 36
Footpath becomes gap to coordinate with screw mandrel 35 endoporus, and two stop nuts 42 simultaneously fasten on the cylinder rod of cylinder 38 upper end.
Described shutdown brake mechanism: include being sleeved at the upper end step of sleeve body 3 and synchronous pulley 10 is fixed on one
Rise, the plate-like dyanainic friction disk 40 being pressed on by nut 41 on sleeve body 3, grinding disk 39, pull bar 46, pretensioned spring 51, upper plate
43rd, screw 44 and nut 45；One end of described cylindric pull bar 46 is fixed on grinding disk 39, through gear-box case 20 upper end
Gentle cylinder bottom plate 37, the cooperation of contact position one-tenth gap, the other end is fixed by screw with upper plate 43；Upper plate 43 corresponds to cylinder rod position,
There is a screwed hole, screw up and fasten the screw 44 equipped with regulating height and nut 45, be enclosed within the precommpression of pull bar 46 lower end
Spring 51, compression is contained in gear-box case 20 between upper surface and frictional disk 39.
The invention has the benefit that inner shaft of motor is directly used as lifting shaft, save traditional tooth machining unit power transmission shaft,
Lifting set, makes structure simplify；Idle stroke fast advance and retreat can be realized using cylinder, using motor positive and inverse and by belt simultaneously
Drive screw mandrel to be sent into and retreat to realize the synchronous screw thread process of tooth machining unit with the speed change of gear.
Brief description
Fig. 1 is the structure top view of the present invention.
Fig. 2 is the a-a cutting of Fig. 1 and the signal group figure of b-b cutting, structure simplification.
The schematic diagram that Fig. 3 is the c-c cutting of Fig. 1, partial structurtes simplify.
Fig. 4 is the d-d cut away view of Fig. 2.
Fig. 5 is the e-e cut away view of Fig. 1.
Fig. 6 is Shape Modelling illustration.
The moulding illustration that Fig. 7 partly hides for gear-box case.
Specific embodiment
Below by specific embodiment, the present invention is further described:
Present configuration includes frame 9, squirrel cage motor 1, change speed gear box 19, screw nut driving mechanism, cylinder idle stroke
Quick mechanism and shutdown brake mechanism, squirrel cage motor 1 is fixed in frame 9, after change speed gear box 19 is arranged on squirrel cage motor 1
Cover, screw nut driving mechanism and shutdown brake mechanism are fixedly mounted on change speed gear box 19, cylinder idle stroke quick mechanism is pacified
It is contained on screw mandrel.
The rotor core 2 medium pore reaming of described squirrel cage motor 1, rotor core 2 internal diameter after reaming no more than turns
The internal diameter of fence cage in sub- iron core 2；Electric machine main shaft is by the sleeve body 3 with internal spline for the split type stage casing and corresponding stage casing band
4 sets of the interior axle of external splines is combined into, and sleeve body 3 endoporus leading portion and back segment are cylindrical hole, and interlude is internal spline, and leading portion external diameter is
External screw thread, sleeve body 3 is cylindrical to be tightly fixed in rotor core 2 medium pore, and interior axle 4 leading portion and back segment are optical axis, interlude
For external splines, the bottom of optical axis is provided with internal taper hole and external screw thread for installing chuck, using a Step Shaft 5 front end spiral shell
Stricture of vagina post screws up in the central screw hole being fixed on the setting of interior axle 4 rear end face, and Step Shaft 5 is oppressed return spring 6 in axle sleeve simultaneously
The endoporus back segment of body 3 be internal spline after the space that formed of back segment optical axis of endoporus and interior axle 4 in, Step Shaft 5 upper surface central authorities
In hole, set puts a steel ball 7.Waterproof cover 8 screws up on the external screw thread being fixed on sleeve body 3 leading portion external diameter, and squirrel cage motor 1
End cap has certain gap to coordinate.
Institute's speed transmission 19: the synchronous pulley 10, lower synchronous pulley and the gear that include being arranged on sleeve body 3 back segment are fixed
Outside device, upper synchronous pulley and gear fixing device, the first Timing Belt 11, the second Timing Belt 29, synchronous pulley 30 and change speed gear box
Shell 20, gear-box case 20 is integrally attached to after squirrel cage motor 1 cover by screw.
The external diameter stationary fit of described synchronous pulley 10, its endoporus and sleeve body 3 back segment.Keyway in endoporus also with sleeve body
Keyway on 3 back segment external diameters corresponds to, and is connected together with sleeve body 3 by key.
Described lower synchronous pulley and gear fixing device: include lower synchronous pulley 12, bearing 15, lower bearing fixed seat 13,
Bearing plate 14, gear fixed plate 16, gear 18 and locating pin 17.There is concentric steps hole, stage casing coordinates in lower synchronous pulley 12
Equipped with bearing 15, there is the lower bearing fixed seat 13 of a step shaft-like, big end is fixed by screws on gear-box case 20, small end
With bearing 15 endoporus stationary fit.The big side pressure of bearing plate 14 of step plate-like on bearing 15 inner ring, fixed with lower bearing by small end
The interior stepped hole of seat 13 becomes gap to coordinate, and a screw passes through the endoporus of bearing plate 14, bearing plate 14 connecting shaft is held 15 solid
It is scheduled on the central screw hole of lower bearing fixed seat 13.Carry female step plate-like gear fixed plate 16, same by screw
The heart is fixed on lower synchronous pulley 12 central authorities, inside has the gear 18 of concentric steps wellhole, its step well internal diameter and gear fixed plate 16
Outer step stationary fit, is concentrically mounted to the central authorities of gear fixed plate 16 by screw and locating pin 17.
Described upper synchronous pulley and gear fixing device: synchronous pulley 24 in inclusion, bearing 25, upper bearing (metal) fixed seat 26,
Bearing plate 23, gear fixed plate 22, gear 21, locating pin 17, pressing plate 27 and fixing nut 28.Upper bearing (metal) fixed seat 26 is pacified
The structure of dress bearing one end and the mounting means of other parts ined succession and lower bearing fixed seat 13 duplicate.Other end system cylinder
Shape, head carry external screw thread, through gear-box case 20 top hole position and pressing plate 27 centre bore, by fixing nut 28, screw up
It is fixed on gear-box case 20.
Described screw nut driving mechanism: include the screw mandrel 35 with endoporus being fixed on cylinder base plate 37, by spiral shell
Nail is fixed on synchronous pulley 30, and external form is in concentric steps axle, the externally threaded mother nut of small end band 31, bearing 32, clamp nut
34 and bearing cover 33.The internal diameter of bearing 32 becomes stationary fit with external diameter in the middle part of the Step Shaft of mother nut 31.Clamp nut 34 screws up
At the screw thread of mother nut 31, push down the inner ring of bearing 32.The stepped hole Cheng Jing of the external diameter of bearing 32 and gear-box case 20 joins
Close.Plate-like bearing cover 33 with stepped hole pushes down the outer ring of bearing 32, is fixed on gear-box case 20.Screw mandrel 35 screws up simultaneously
Through mother nut 31.
Described cylinder idle stroke quick mechanism: include cylinder 38, cylinder base plate 37, push rod 36, stop nut 42.Cylinder
38 are fixed on cylinder base plate 37, and cylinder rod lower end and the externally threaded push rod of cylindrical head band 36 screw up fixation, outside push rod 36
Footpath becomes gap to coordinate with screw mandrel 35 endoporus, and two stop nuts 42 simultaneously fasten on the cylinder rod of cylinder 38 upper end.
Described shutdown brake mechanism: include being sleeved at the upper end step of sleeve body 3 and synchronous pulley 10 is fixed on one
Rise, the plate-like dyanainic friction disk 40 being pressed on by nut 41 on sleeve body 3, grinding disk 39, pull bar 46, pretensioned spring 51, upper plate
43rd, screw 44 and nut 45.One end of two cylindric pull bars 46 is fixed on grinding disk 39, through gear-box case 20 upper end
Gentle cylinder bottom plate 37, the cooperation of contact position one-tenth gap, the other end is fixed by screw with upper plate 43.Upper plate 43 corresponds to cylinder rod position,
There is a screwed hole, screw up and fasten the screw 44 equipped with regulating height and nut 45.Two that are enclosed within pull bar 46 lower end pre-
Compression spring 51, compression is contained in gear-box case 20 between upper surface and frictional disk 39.
Its operation principle is as follows:
During start, cylinder 38 air inlet, the push rod 36 of cylinder rod of ining succession heads on downwards steel ball 7 and the Step Shaft of steel ball 7 of ining succession
5th, interior axle 4, with the cutter of clamping, overcomes the pressure of return spring 6 to fast forward through downwards.It is fixed on the spacing of cylinder rod upper end
Nut 42 is obstructed when encountering cylinder 38 upper surface, and stopping is descending, and idle stroke is advanced and put in place.Meanwhile, squirrel cage motor 1 is energized and turns
Sleeve body 3 that sub- iron core 2 is ined succession, drive the waterproof cover 8, interior axle 4 of spline structure, Step Shaft 5, steel ball 7, return spring 6, synchronous
Belt wheel 10, dyanainic friction disk 40, nut 41 synchronous rotary.Synchronous pulley 10 passes through the first Timing Belt 11 and drives lower synchronous pulley 12 He
The gear fixed plate 16 being attached thereto, gear 18 do same direction rotation.Gear 18 is ratcheting with gear 21, same during gear 18 rotation
Step band moving gear 21 does rightabout rotation, and the gear fixed plate 22 being connected with gear 21 and synchronous pulley 24 pass through Timing Belt 29
Drive synchronizing wheel 30 and the mother nut 31 ined succession and clamp nut 34 also to do rightabout rotation simultaneously.
Limited by the bearing 32 being fixed on gear-box case 20 and clamp nut 34, mother nut 31 rotate but up and down no
Method is moved.It is enclosed within the screw mandrel 35 in mother nut 31, limited just through the pull bar 46 of motionless gear-box case 20 upper end by two, no
Can rotate, be controlled by mother nut 31 reversion, move along a straight line downwards with cylinder base plate 37 and cylinder 38 synchronization.According to screw mandrel 35
Pitch, by designing the size of each synchronous pulley and the number of teeth of two gears, just can reach after change speed gear box speed change.Synchronous
Belt wheel 10 per revolution, the mother nut 31 after speed change controls screw mandrel 35 to move along a straight line downwards by the definite value of design, with screw mandrel
The cylinder base plate 37 that 35 in succession, cylinder 38 is also synchronous to move along a straight line downwards, and the push rod 36 of the cylinder rod having stretched out of ining succession continues
Head on that steel ball 7 is synchronous to move along a straight line downwards, and the Step Shaft 5 of steel ball 7 of ining succession, interior axle 4, with the cutter of clamping, also continues to overcome
The synchronous definite value by design moves downward the pressure of return spring 6 with screw mandrel 35.The interior axle 4 middle part spline of rotation and sleeve body 3
Internal spline fit, so that the cutter being contained in interior axle 4 is moved downward in rotation, enter impulse stroke.
In work, steel ball 7 rotates together with Step Shaft 5, contacts all the time and rubs with non-rotary push rod 36.When being fixed on
Stop screw 47 on cylinder base plate 37 moves downward when encountering travel switch 48, and external control electrical equipment promotes squirrel cage motor 1 to invert,
Mother nut 31 controlled synchronous rotate to other direction, and also design is pressed in synchronization for screw mandrel 35, push rod 36, the gentle cylinder bottom plate 37 of cylinder 38
Definite value moves along a straight line upwards, and when travel switch 50 encountered by the parking screw 49 being fixed on cylinder base plate 37, external control electrical equipment promotees
Squirrel cage motor 1 is made to shut down, cylinder 38 return upwards, the screw 44 being fixed on upper plate 43 is pushed up in cylinder rod upper end, and drive is ined succession
Two pull bars 46 of upper plate 43 and with grinding disk 39, overcome the pressure of two pretensioned springs 51 to move upwards, when grinding disk 39
When touching the dyanainic friction disk 40 rotating together with being attached thereto because of motor inertial rotation, resistance moment increases, and overcomes dynamic
The inertial rotation of grinding disk 39, is allowed to stop, and the interior axle 4 equipped with cutter being attached thereto and all of revolving part synchronously stop rotation
Turn, a working procedure completes.
Again work starting when, cylinder rod fast downlink, the screw 44 disengaging, the effect of preloading contracting spring 51, grind
Wiping disk 39 DL synchronization to above the lower end inner wall that against gear-box case 20, departing from the contact with dyanainic friction disk 40,
The new working cycle is not disturbed to complete.
Claims (9)
1. a kind of retractable synchronous tooth machining unit of inner shaft of motor it is characterised in that: include frame (9), squirrel cage motor (1), become
Fast case (19), screw nut driving mechanism, cylinder idle stroke quick mechanism and shutdown brake mechanism；Described squirrel cage motor (1)
Interior axle retractable, its bottom is provided with cutter, and squirrel cage motor (1) is fixed in frame (9), and change speed gear box (19) is pacified
Cover after being contained in squirrel cage motor (1), screw nut driving mechanism and shutdown brake mechanism are fixedly mounted on change speed gear box (19)
Interior, cylinder idle stroke quick mechanism is arranged on the screw mandrel upper end of screw nut driving mechanism, and described squirrel cage motor (1) passes through to become
Fast case (19) is matched with screw nut driving mechanism the flexible of the interior axle driving squirrel cage motor (1) and rotating, by cylinder
The idle stroke of the interior axle of idle stroke quick mechanism and shutdown brake mechanism controls squirrel cage motor (1) is advanced and shutdown brake.
2. synchronous tooth machining unit according to claim 1 it is characterised in that: the rotor core of described squirrel cage motor (1)
(2) medium pore reaming, rotor core (2) internal diameter after reaming is not more than the internal diameter of fence cage in rotor core (2)；Electric machine main shaft
It is combined into the interior axle with external splines for the corresponding stage casing (4) set by the sleeve body with internal spline for the split type stage casing (3), axle sleeve
Body (3) endoporus leading portion and back segment are cylindrical hole, and interlude is internal spline, and leading portion external diameter is external screw thread, the cylindrical close-fitting of sleeve body (3)
Conjunction is fixed in rotor core (2) medium pore, and interior axle (4) leading portion and back segment are optical axis, and interlude is external splines, the lower end of optical axis
Portion is provided with the internal taper hole and external screw thread for installing chuck, is screwed up using Step Shaft (5) nose threads post in being fixed on
In the central screw hole of axle (4) rear end face setting, Step Shaft (5) endoporus in sleeve body (3) by return spring (6) compressing simultaneously
Back segment be internal spline after the space that formed of back segment optical axis of endoporus and interior axle (4) in, cover in the medium pore of Step Shaft (5) upper surface
Put a steel ball (7)；Waterproof cover (8) screws up on the external screw thread being fixed on sleeve body (3) leading portion external diameter, and squirrel cage motor (1)
End cap have certain gap to coordinate.
3. synchronous tooth machining unit according to claim 1 it is characterised in that: institute's speed transmission includes being arranged on sleeve body (3)
Synchronous pulley (10) on back segment, lower synchronous pulley and gear fixing device, upper synchronous pulley and gear fixing device, first with
Step band (11), the second Timing Belt (29), synchronous pulley (30) and gear-box case (20), it is whole that gear-box case (20) passes through screw
Body covers after being fixed on squirrel cage motor (1).
4. synchronous tooth machining unit according to claim 3 it is characterised in that: described synchronous pulley (10), its endoporus and axle sleeve
The external diameter stationary fit of body (3) back segment；Keyway in endoporus is also corresponding with the keyway on sleeve body (3) back segment external diameter, and passes through key
Connect together with sleeve body (3).
5. synchronous tooth machining unit according to claim 3 it is characterised in that: described lower synchronous pulley and gear fixing device:
Including lower synchronous pulley (12), bearing (15), lower bearing fixed seat (13), bearing plate (14), gear fixed plate (16), gear
And locating pin (17) (18)；There is concentric steps hole, stage casing coordinates equipped with bearing (15), has a Step Shaft in lower synchronous pulley (12)
The lower bearing fixed seat (13) of shape, big end is fixed by screws on gear-box case (20), and small end is quiet with bearing (15) endoporus
Cooperation；, on bearing (15) inner ring, small end is interior with lower bearing fixed seat (13) for the big side pressure of the bearing plate (14) of step plate-like
Stepped hole becomes gap to coordinate, and a screw passes through the endoporus of bearing plate (14), bearing plate (14) connecting shaft is held (15) fixing
On the central screw hole of lower bearing fixed seat (13)；Carry female step plate-like gear fixed plate (16), by screw
It is concentrically mounted to lower synchronous pulley (12) central authorities, inside has the gear (18) of concentric steps wellhole, its step well internal diameter is solid with gear
Fixed board (16) outer step stationary fit, is concentrically mounted to the central authorities of gear fixed plate (16) by screw and locating pin (17).
6. synchronous tooth machining unit according to claim 3 it is characterised in that: described upper synchronous pulley and gear fixing device:
Including upper synchronous pulley (24), bearing (25), upper bearing (metal) fixed seat (26), bearing plate (23), gear fixed plate (22), gear
(21), locating pin (17), pressing plate (27) and fixing nut (28)；Upper bearing (metal) fixed seat (26) install bearing one end structure and
The structure that lower bearing fixed seat (13) installs bearing one end is identical；Other end system is cylindric, head carries external screw thread, through speed change
Case shell (20) top hole position and pressing plate (27) centre bore, by fixing nut (28), screw up and are fixed on gear-box case (20)
On.
7. synchronous tooth machining unit according to claim 1 it is characterised in that: described screw nut driving mechanism: include solid
It is scheduled on the screw mandrel with endoporus (35) on cylinder base plate (37), is fixed by screws on synchronous pulley (30), external form is in one heart
Step Shaft, the externally threaded mother nut of small end band (31), bearing (32), clamp nut (34) and bearing cover (33)；Bearing (32)
Internal diameter become stationary fit with external diameter in the middle part of the Step Shaft of mother nut (31)；Clamp nut (34) screws up the screw thread in mother nut (31)
Place, pushes down the inner ring of bearing (32)；The external diameter of bearing (32) becomes stationary fit with the stepped hole of gear-box case (20)；Band stepped hole
Plate-like bearing cover (33) push down the outer ring of bearing (32), be fixed on gear-box case (20), screw mandrel (35) screws up and wears
Cross mother nut (31).
8. synchronous tooth machining unit according to claim 1 it is characterised in that: described cylinder idle stroke quick mechanism: include
Cylinder (38), cylinder base plate (37), push rod (36), stop nut (42), cylinder (38) is fixed on cylinder base plate (37), cylinder
Bar lower end and the externally threaded push rod of cylindrical head band (36) screw up fixation, and push rod (36) external diameter becomes gap with screw mandrel (35) endoporus
Cooperation, two stop nuts (42) simultaneously fasten on the cylinder rod of cylinder (38) upper end.
9. synchronous tooth machining unit according to claim 1 it is characterised in that: described shutdown brake mechanism: include be sleeved on
It is fixed together, the disk on sleeve body (3) is pressed on by nut (41) with synchronous pulley (10) at the upper end step of sleeve body (3)
Shape dyanainic friction disk (40), grinding disk (39), pull bar (46), pretensioned spring (51), upper plate (43), screw (44) and nut
(45)；Described pull bar (46) is cylindric, and one end of pull bar (46) is fixed on grinding disk (39), through gear-box case (20)
Upper end gentle cylinder bottom plate (37), the cooperation of contact position one-tenth gap, the other end is fixed by screw with upper plate (43)；Upper plate (43) is corresponding
, there is a screwed hole cylinder rod position, screws up and fastens the screw (44) equipped with regulating height and nut (45), be enclosed within pull bar
(46) pretensioned spring (51) of lower end, compression is contained between the interior upper surface of gear-box case (20) and frictional disk (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210435464.6A CN102909440B (en) | 2012-11-05 | 2012-11-05 | Synchronous tapping machine with retractable inner shaft of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210435464.6A CN102909440B (en) | 2012-11-05 | 2012-11-05 | Synchronous tapping machine with retractable inner shaft of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102909440A CN102909440A (en) | 2013-02-06 |
| CN102909440B true CN102909440B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210435464.6A Active CN102909440B (en) | 2012-11-05 | 2012-11-05 | Synchronous tapping machine with retractable inner shaft of motor |
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| CN106141237B (en) * | 2016-08-30 | 2018-03-16 | 福鼎市金雄机车部件有限公司 | The drilling machine of pneumatic pushing motor interior axle feeding with damping |
| CN106468522B (en) * | 2016-09-13 | 2018-09-07 | 湖北航天技术研究院总体设计所 | A kind of car launcher detaches connection locking device with transmitting station |
| CN110356034A (en) * | 2019-07-17 | 2019-10-22 | 贵州云峰药业有限公司 | Highspeedrotarytabletpress based on fixed preparation processing |
| CN111725958B (en) * | 2020-07-28 | 2021-04-09 | 浙江沪龙科技股份有限公司 | Motor stator lamination processing pre-tightening device |
| CN113695962B (en) * | 2021-10-28 | 2022-03-18 | 沈阳机床(集团)有限责任公司 | High-precision quick driving mechanism of vertical shaft of numerical control machine tool |
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| DE202009001001U1 (en) * | 2009-01-27 | 2009-04-09 | Puchinger, Bruno | Manual tapping device |
| CN201235428Y (en) * | 2008-07-29 | 2009-05-13 | 杭州贝克机械有限公司 | Vertical quickly advancing and retreating tapping mechanism |
| CN102441811A (en) * | 2011-11-11 | 2012-05-09 | 福鼎市金雄机车部件有限公司 | Drilling and tapping machine for pushing feeding of motor inner shaft by using cylinder |
| CN203254021U (en) * | 2012-11-05 | 2013-10-30 | 福鼎市金雄机车部件有限公司 | Synchronous tapping machine with telescopic inner motor shaft |
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- 2012-11-05 CN CN201210435464.6A patent/CN102909440B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1916045A1 (en) * | 2006-10-27 | 2008-04-30 | Cooper Power Tools SAS | Method of drilling a bore and corresponding machine |
| CN201235428Y (en) * | 2008-07-29 | 2009-05-13 | 杭州贝克机械有限公司 | Vertical quickly advancing and retreating tapping mechanism |
| CN101342620A (en) * | 2008-08-15 | 2009-01-14 | 应云富 | Dual-speed self-tapping machine tool |
| DE202009001001U1 (en) * | 2009-01-27 | 2009-04-09 | Puchinger, Bruno | Manual tapping device |
| CN102441811A (en) * | 2011-11-11 | 2012-05-09 | 福鼎市金雄机车部件有限公司 | Drilling and tapping machine for pushing feeding of motor inner shaft by using cylinder |
| CN203254021U (en) * | 2012-11-05 | 2013-10-30 | 福鼎市金雄机车部件有限公司 | Synchronous tapping machine with telescopic inner motor shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102909440A (en) | 2013-02-06 |
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