CN207508781U - A kind of built-in dish sulphur broaching tool of high speed electric axis - Google Patents
A kind of built-in dish sulphur broaching tool of high speed electric axis Download PDFInfo
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- CN207508781U CN207508781U CN201721698404.8U CN201721698404U CN207508781U CN 207508781 U CN207508781 U CN 207508781U CN 201721698404 U CN201721698404 U CN 201721698404U CN 207508781 U CN207508781 U CN 207508781U
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Abstract
The utility model discloses a kind of built-in dish sulphur broaching tool of high speed electric axis,Including steel cylinder,Bearning mechanism,Base mechanism,Front axle bearing plate,Spring assembly and contact bearing component,The steel cylinder fixed setting is on the base unit,Described Bearning mechanism one end is accommodated in across steel cylinder in steel cylinder,The Bearning mechanism other end is fixedly connected on by front axle bearing plate on steel cylinder,The spring assembly is clamped between bearing assembly bottom end and steel cylinder inner wall,The contact bearing component includes the first angular contact bearing and the second angular contact bearing,First contact bearing be arranged at the position that front axle bearing plate is connect with steel cylinder inner wall and Bearning mechanism and respectively with steel cylinder inner wall,Bearning mechanism and front axle bearing plate are in contact,Second angular contact bearing is clamped between bearing assembly and steel cylinder inner wall and is contacted with the first angular contact bearing,Ensure that pull rod and built-in all parts will not be loosened by under the action of power,So as to ensure the stability of operating.
Description
Technical field
The utility model is related to manufacture the technical field of science and technology more particularly to a kind of built-in dish sulphur broaching tool dress of high speed electric axis
It puts.
Background technology
Major part high-speed main spindle has several 1. disc springs of big problem using external disc spring broaching tool system, this kind of broaching tool mode at present
It is external to have very high requirement for the machining accuracy and pull rod of disc spring endoporus or the machining accuracy of rotor.2. disc spring is external to adjustment
Process is also very loaded down with trivial details, usually frequently dismantles and is adjusted due to power deficiency.3. the external quantity of disc spring has certain limitation, quantity
Cannot be too many, quantity can make power insufficient very little, and quantity can cause electro spindle unstable vibration big too much.4. disc spring is external to disc spring
Decrement be also to have strict demand, decrement deficiency power can be insufficient, and decrement too conference causes disc spring to rupture.5. disc spring is external
Disc spring rupture after often result in the damages of other parts, cause unnecessary damage.6. disk it is external for precompressed amount also without
Method controls, and usually because disc spring loosens when pull rod is not fixed in a free state, rotation, so as to cause stability, vibration is big enough.
Utility model content
For shortcoming present in above-mentioned technology, the utility model provides a kind of height simple in structure, easy to operate
The fast built-in dish sulphur broaching tool of electric axis.
In order to achieve the above object, the built-in dish sulphur broaching tool of a kind of high speed electric axis of the utility model, including steel cylinder, axis
Mechanism, base mechanism, front axle bearing plate, spring assembly and contact bearing component are held, the steel cylinder is fixed at pedestal machine
On structure, described Bearning mechanism one end is accommodated in across steel cylinder in steel cylinder, and the Bearning mechanism other end is consolidated by front axle bearing plate
Surely it is connected on steel cylinder, the spring assembly is clamped between bearing assembly bottom end and steel cylinder inner wall, the contact bearing component
Including the first angular contact bearing and the second angular contact bearing, first contact bearing is arranged on front axle bearing plate and steel cylinder inner wall
And be in contact at the position of Bearning mechanism connection and with steel cylinder inner wall, Bearning mechanism and front axle bearing plate respectively, described the
Two angular contact bearings are clamped between bearing assembly and steel cylinder inner wall and are contacted with the first angular contact bearing.
Wherein, the Bearning mechanism includes rotor shaft core, chuck component, disk spring and pull rod, the rotor shaft core
For hollow elongated tube, the disk spring be placed on pull rod and with pull rod be accommodated in armature spindle in-core and respectively with armature spindle in-core wall
It is touched with pull rod bottom connection, the pull rod bottom is in contact with armature spindle in-core wall, the tie rod central portion and rotor shaft core
Form cavity between inner wall, the chuck component be fixed at armature spindle in-core wall front end and with the pull rod phase of armature spindle in-core
Connection.
Wherein, the spring assembly include rotor top nut, third angular contact bearing, preloading spring seat, preloading spring with
And tightening cushion, the rotor top nut are placed in rotor shaft core and spring pre-tightening seat described in gap are formed between steel cylinder inner wall
It is fixed between rotor shaft core and steel cylinder inner wall, the preloading spring is accommodated in preloading spring seat, the tightening cushion
It is arranged on one end between rotor shaft core and steel cylinder inner wall to support on steel cylinder inner wall, the tightening cushion other end, which supports, to be pre-tightened
Spring.
Wherein, the base mechanism includes piston sheet, nut, cylinder end piece, back-cover and cylinder push-rod, and the steel cylinder is consolidated
On back-cover one end, the back-cover other end is detachably connected with cylinder end piece and forms cavity lock, and the piston sheet fixation is set
It puts on the cavity wall formed in back-cover and cylinder end piece, the piston sheet middle position is provided with internal via shape size and cylinder
Push rod is adapted to, and the cavity that described cylinder push-rod one end passes through back-cover to be formed with air cylinder front cover is accommodated in steel cylinder, the cylinder
The push rod other end passes through the endoporus of piston sheet, and the nut is placed on cylinder push-rod and is arranged between piston sheet and cylinder end piece
And lock cylinder push-rod.
Wherein, which has further included sealing ring group and cylinder return spring group, and the sealing ring group includes the
One sealing ring and the second sealing ring, first sealing ring are fixed at the cavity that piston sheet is formed with back-cover with cylinder end piece
It at inner wall and is embedded in piston sheet, second sealing ring is fixed at the position that cylinder end piece is connect with back-cover, institute
It states cylinder return spring component and includes the identical return spring of several shape and structure sizes, be respectively sleeved on cylinder push-rod and clamp
In piston sheet and by between lid inner wall.
Wherein, which has further included stop protrusion, and the stop protrusion is fixed at rotor shaft core in appearance
And support on the side wall in steel drum, the stop protrusion includes steel cylinder motion-stopping surface and rotor motion-stopping surface, the steel cylinder stop
Face is supported on the side wall in steel cylinder, and the rotor motion-stopping surface is in contact with steel cylinder inner wall.
Wherein, the built-in dish sulphur broaching tool of the high speed electric axis further includes dustproof cover, and the dustproof cover is fixed at steel
Bucket is seamlessly connected together with rotor shaft core intersection and by steel drum and rotor shaft core, described dustproof cover one end and steel drum outer surface
It is in contact, the dustproof cover other end is connected across steel cylinder outer surface with the first angular contact bearing.
The beneficial effects of the utility model are：
Compared with prior art, pass through steel cylinder, bearing between the built-in dish sulphur broaching tool of the utility model high speed electric axis
Combination between mechanism, base mechanism, front axle bearing plate, spring assembly, contact bearing component can automatic tool changer, reduce artificial
The precision that tool changing generates is insufficient, and the precision of disc spring processing recedes into the background, and can directly be used using standard component in the market, adjust bullet
Power test is also very simple, ensures that pull rod and built-in all parts will not be loosened by under the action of power, so as to ensure operating
Stability.
Description of the drawings
Fig. 1 is the planing surface figure of the built-in dish sulphur broaching tool of the utility model high speed electric axis；
Main element symbol description is as follows：
10th, steel cylinder 11, Bearning mechanism
12nd, base mechanism 13, front axle bearing plate
14th, spring assembly 15, contact bearing component
16th, dustproof cover
111st, rotor shaft core 112, chuck component
113rd, disk spring 114, pull rod
115th, stop protrusion
121st, piston sheet 122, nut
123rd, cylinder end piece 124, back-cover
125th, cylinder push-rod 126, cylinder return spring group
127th, sealing ring
141st, top nut 142, third angular contact bearing
143rd, preloading spring seat 144, preloading spring
145th, tightening cushion
151st, the first contact bearing 152, the second contact bearing
1271st, the first sealing ring 1272, second seals.
Specific embodiment
In order to more clearly state the utility model, the utility model is further described below in conjunction with the accompanying drawings.
Refering to Fig. 1, the built-in dish sulphur broaching tool of a kind of high speed electric axis of the utility model, including steel cylinder 10, Bearning mechanism
11st, base mechanism 12, front axle bearing plate 13, spring assembly 14 and contact bearing component 15, steel cylinder 10 are fixed at pedestal
In mechanism 12,11 one end of Bearning mechanism is accommodated in across steel cylinder 10 in steel cylinder 10, and 11 other end of Bearning mechanism passes through front axle pressure-bearing
Plate 13 is fixedly connected on steel cylinder 10, and spring assembly 14 is clamped between 10 inner wall of bearing assembly bottom end and steel cylinder, contact bearing
Component 15 include the first angular contact bearing and the second angular contact bearing, the first contact bearing 151 be arranged on front axle bearing plate 13 and
At the position that 10 inner wall of steel cylinder and Bearning mechanism 11 connect and respectively with 10 inner wall of steel cylinder, Bearning mechanism 11 and front axle pressure-bearing
Plate 13 is in contact, and the second angular contact bearing is clamped between 10 inner wall of bearing assembly and steel cylinder and is connect with the first angular contact bearing
It touches.
Compared with prior art, pass through steel cylinder 10, axis between the built-in dish sulphur broaching tool of the utility model high speed electric axis
The combination held between mechanism 11, base mechanism 12, front axle bearing plate 13, spring assembly 14, contact bearing component 15 can be automatic
Tool changing reduces the precision deficiency that artificial tool changing generates, and the precision of disc spring processing recedes into the background, can be directly using standard in the market
Part uses, and adjustment elastic force test is also very simple, ensures pull rod 114 and built-in all parts by will not pine under the action of power
It is dynamic, so as to ensure the stability of operating.
In the present embodiment, Bearning mechanism 11 includes rotor shaft core 111, chuck component 112, disk spring 113 and pull rod
114, rotor shaft core 111 is hollow elongated tube, and disk spring 113 is placed on pull rod 114 and is accommodated in rotor shaft core with pull rod 114
It touches in 111 and with 111 inner wall of rotor shaft core and 114 bottom connection of pull rod respectively, 114 bottom of pull rod and 111 inner wall of rotor shaft core
It is in contact, forms cavity between 111 inner wall of 114 middle section of pull rod and rotor shaft core, chuck component 112 is fixed at rotor
111 inner wall front end of shaft core is simultaneously connected with the pull rod 114 in rotor shaft core 111, and the precision of disc spring processing recedes into the background, can be direct
Also very simple using the test of adjustment elastic force using standard component in the market, the quantity limitation of disk reduces, because disc spring employs
Built-in manner need to only increase the bore depth of rotor shaft core 111 if you need to the combination for increasing disc spring.
In the present embodiment, spring assembly 14 includes rotor top nut 141, third angular contact bearing 142, preloading spring 144
Seat 143, preloading spring 144 and tightening cushion 145, rotor top nut 141 be placed in rotor shaft core 111 and with 10 inner wall of steel cylinder
Between formed gap spring pre-tightening seat be fixed between 10 inner wall of rotor shaft core 111 and steel cylinder, preloading spring 144 is accommodated in
In preloading spring 144 143, one end is supported in steel cylinder between tightening cushion 145 is arranged on 10 inner wall of rotor shaft core 111 and steel cylinder
On 10 inner walls, 145 other end of tightening cushion supports preloading spring 144.
In the present embodiment, base mechanism 12 includes piston sheet 121, nut 122, cylinder end piece 123, back-cover 124 and gas
Cylinder push rod 125,10 solid lock of steel cylinder is on 124 one end of back-cover, and 124 other end of back-cover is detachably connected with cylinder end piece 123 and shape
Into cavity, piston sheet 121 is fixed on the cavity wall that back-cover 124 is formed with cylinder end piece 123,121 interposition of piston sheet
The place of putting is provided with internal via shape size and is adapted to cylinder push-rod 125, before 125 one end of cylinder push-rod passes through back-cover 124 and cylinder
The cavity that lid is formed is accommodated in steel cylinder 10, and 125 other end of cylinder push-rod passes through the endoporus of piston sheet 121, and nut 122 is placed on gas
It on cylinder push rod 125 and is arranged between piston sheet 121 and cylinder end piece 123 and locks cylinder push-rod 125, due to piston sheet 121
It is arranged in the built-in disc spring broaching tool of high-speed electric main shaft with cylinder push-rod 125 and since the connection with nut 122 can
Ensure that pull rod 114 and built-in all parts will not be loosened by under the action of power, so as to ensure the stability of operating.
In the present embodiment, which has further included 127 groups of sealing ring and cylinder return spring group 126, sealing
Enclose 127 groups include the first sealing ring 1271 and the second sealing ring 1272, the first sealing ring 1271 be fixed at piston sheet 121 and
It at the cavity inner wall that back-cover 124 is formed with cylinder end piece 123 and is embedded in piston sheet 121, the fixation of the second sealing ring 1272 is set
It puts at the position being connect in cylinder end piece 123 with back-cover 124, it is big that cylinder return spring group includes several shape and structures for 126 14
Small identical return spring is respectively sleeved on cylinder push-rod 125 and is clamped in piston sheet 121 and by between lid inner wall, due to close
The setting of seal 127 can prevent external dust and water from entering in device and damaging device.
In the present embodiment, which has further included stop protrusion 115, and stop protrusion 115 is fixed at rotor
Shaft core 111 in appearance and is supported on the side wall in steel drum, and stop protrusion 115 includes 10 motion-stopping surface of steel cylinder and rotor stop
Face, 10 motion-stopping surface of steel cylinder are supported on the side wall in steel cylinder 10, and rotor motion-stopping surface is in contact with 10 inner wall of steel cylinder, since stop is convex
Stop can be carried out during exercise to steel cylinder 10 and rotor shaft core 111 by playing 115 setting.
In the present embodiment, the built-in dish sulphur broaching tool of the high speed electric axis further includes dustproof cover 16, and the fixation of dustproof cover 16 is set
Put in steel drum and 111 intersection of rotor shaft core and be seamlessly connected steel drum and rotor shaft core 111 together, 16 one end of dustproof cover with
Steel drum outer surface is in contact, and 16 other end of dustproof cover is connected across 10 outer surface of steel cylinder with the first angular contact bearing, due to anti-
The setting of dirt lid 16 prevents dust from entering in device.
The further explanation of the present embodiment：A kind of built-in disc spring broaching tool system of high-speed electric main shaft, including steel cylinder 10, rotor
Shaft core 111, sealing ring 127, piston sheet 121, cylinder return spring, cylinder end piece 123, back-cover 124, cylinder push-rod 125, rotor
Top nut 122, angular contact bearing, preloading spring 144 143, preloading spring 144, tightening cushion 145, disk spring are (referred to as：
Disc spring), pull rod 114, front axle bearing plate 13, dustproof cover 16,114 nut 122 of pull rod and collet composition, steel cylinder 10 and front end first
Two angular contact bearing outer rings are installed by small―gap suture fit system, front axle bearing plate 13 pressing front end two angular contact axis
Bearing outer-ring, pressing amount are 0.02mm, and rotor shaft core 111 coordinates with the angular contact bearing of front end two for slight interference, interference volume
0.002mm, dustproof cover 16 are interference fit with rotor shaft core 111, and interference volume 0.01mm, tightening cushion 145 and steel cylinder 10 are big
Clearance fit, gap 0.2mm, it is 0.15mm that preloading spring 144 (22) and preloading spring 144 143, which are clearance fit gap,
Preloading spring coordinates for 144 143 with steel cylinder 10 for small―gap suture, gap 0.02, the angular contact bearing outer ring of rear end one and steel cylinder
10 coordinate for small―gap suture, gap 0.008mm, and rear end angular contact bearing inner ring coordinates with rotor for slight interference, and interference volume is
0.002mm, rotor top nut 122 are thread locking and the angular contact bearing inner ring of pressing rear end one with rotor shaft core 111, are locked
Power is 8N.m, and disc spring is two-by-two to being nested in the cooperation of formation small―gap suture, gap 0.02mm, disc spring and drawing after combination on pull rod 114
Bar 114 is penetrated in rotor shaft core 111, and small―gap suture cooperation, gap 0.01mm, 114 nut of pull rod are formed with rotor shaft core 111
122 with pull rod 114 for thread locking and with rotor shaft core 111 there are clearance fit, gap 0.2mm, collet is with pull rod 114
It is threadedly coupled, coordinates with 111 endoporus of rotor shaft core for small―gap suture, gap 0.01mm, be close patch with 111 taper hole of rotor shaft core
It closes, back-cover 124 is oriented to and is locked together by small stair with steel cylinder 10, and cylinder push-rod 1258 is penetrated in 121 endoporus of piston sheet, and
Locked with nut 122, cylinder return spring is placed in 124 annular groove of back-cover, and cylinder push-rod 125 and the sub-assembly of piston sheet 121 fill
Enter in back-cover 124, push rod is that small―gap suture coordinates with 124 endoporus of back-cover, fit clearance 0.03mm, between piston sheet 121 and back-cover 124
There is sealing ring 127 to seal, end cap combines, and have sealing ring 127 to seal with the connection of back-cover 124.
Wherein, there are gap, gap width 0.1mm with 10 motion-stopping surface of steel cylinder for rotor motion-stopping surface.
Summary scheme makes piston sheet 121 travel forward, first pushes up to pull rod it is found that pressure-air is entered by ending cover hole
114 end faces force rotor shaft core 111 to travel forward, and rotor motion-stopping surface is bonded with 10 motion-stopping surface of steel cylinder and stop, rotor shaft core
111 stop rear push-rods continue pushing drawing rod 114 forward, 114 forward compression disc spring of pull rod and 114 nut 122 of pushing drawing rod and folder
Head, collet just can freely carry out tool changing work after pushing open.
On the contrary, piston sheet 121 backs on top, while rotor shaft core 111 exists under the action of the spring after pressure-air is closed
It is sprung back under the action of preloading spring 144, and pull rod 114 is sprung back, and pull backward under the elastic force effect of disc spring at the same time
114 nut 122 of pull rod and collet recycling, collet clamp-on tool in recycling, tool-holder is next can be processed work.
Disclosed above is only several specific embodiments of the utility model, but the utility model is not limited to this,
The changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.
Claims (7)
1. a kind of built-in dish sulphur broaching tool of high speed electric axis, which is characterized in that including steel cylinder, Bearning mechanism, base mechanism, preceding
Bearing plate, spring assembly and contact bearing component, the steel cylinder are fixedly installed on the base unit, the Bearning mechanism one
End is accommodated in across steel cylinder in steel cylinder, and the Bearning mechanism other end is fixedly connected on by front axle bearing plate on steel cylinder, described
Spring assembly is clamped between bearing assembly bottom end and steel cylinder inner wall, the contact bearing component include the first angular contact bearing with
Second angular contact bearing, first angular contact bearing are arranged on what front axle bearing plate was connect with steel cylinder inner wall and Bearning mechanism
It is in contact at position and respectively with steel cylinder inner wall, Bearning mechanism and front axle bearing plate, second angular contact bearing is clamped in
It is contacted between bearing assembly and steel cylinder inner wall and with the first angular contact bearing.
A kind of 2. built-in dish sulphur broaching tool of high speed electric axis according to claim 1, which is characterized in that the bearing machine
Structure include rotor shaft core, chuck component, disk spring and pull rod, the rotor shaft core be hollow elongated tube, the disk spring
It is placed on pull rod and is accommodated in armature spindle in-core with pull rod and is touched respectively with armature spindle in-core wall and pull rod bottom connection, the drawing
Bar bottom is in contact with armature spindle in-core wall, and cavity, the folder are formed between the tie rod central portion and armature spindle in-core wall
Head assembly is fixed at armature spindle in-core wall front end and is connected with the pull rod of armature spindle in-core.
A kind of 3. built-in dish sulphur broaching tool of high speed electric axis according to claim 2, which is characterized in that the groups of springs
Part includes rotor top nut, third angular contact bearing, preloading spring seat, preloading spring and tightening cushion, spiral shell on the rotor
Mother set is fixed at rotor shaft core and steel in forming gap, the spring pre-tightening seat in rotor shaft core and between steel cylinder inner wall
Between cylinder inner wall, the preloading spring is accommodated in preloading spring seat, and the tightening cushion is arranged in rotor shaft core and steel cylinder
One end is supported on steel cylinder inner wall between wall, and the tightening cushion other end supports preloading spring.
A kind of 4. built-in dish sulphur broaching tool of high speed electric axis according to claim 3, which is characterized in that the pedestal machine
Structure includes piston sheet, nut, cylinder end piece, back-cover and cylinder push-rod, and the steel cylinder solid lock is on back-cover one end, the back-cover
The other end is detachably connected with cylinder end piece and forms cavity, and the piston sheet is fixed at what back-cover was formed with cylinder end piece
On cavity wall, the piston sheet middle position is provided with internal via shape size and is adapted to cylinder push-rod, the cylinder push-rod
The cavity that one end passes through back-cover to be formed with air cylinder front cover is accommodated in steel cylinder, and the cylinder push-rod other end passes through the interior of piston sheet
Hole, the nut are placed on cylinder push-rod and are arranged between piston sheet and cylinder end piece and lock cylinder push-rod.
5. according to the built-in dish sulphur broaching tool of a kind of high speed electric axis described in claim 4, which is characterized in that the pedestal machine
Structure has further included sealing ring group and cylinder return spring group, and the sealing ring group includes the first sealing ring and the second sealing ring,
First sealing ring is fixed at the cavity inner wall that piston sheet is formed with back-cover with cylinder end piece and is embedded in piston sheet
Interior, second sealing ring is fixed at the position that cylinder end piece is connect with back-cover, the cylinder return spring component packet
Include the identical return spring of several shape and structure sizes, be respectively sleeved on cylinder push-rod and be clamped in piston sheet with by lid inner wall it
Between.
6. according to the built-in dish sulphur broaching tool of a kind of high speed electric axis described in claim 2, which is characterized in that the bearing machine
Structure has further included stop protrusion, and the stop protrusion is fixed at rotor shaft core in appearance and supports the side wall in steel drum
On, the stop protrusion includes steel cylinder motion-stopping surface and rotor motion-stopping surface, and the steel cylinder motion-stopping surface supports the side wall in steel cylinder
On, the rotor motion-stopping surface is in contact with steel cylinder inner wall.
7. according to the built-in dish sulphur broaching tool of a kind of high speed electric axis described in claim 1, which is characterized in that this is electric at a high speed
The built-in dish sulphur broaching tool of axis further includes dustproof cover, and the dustproof cover is fixed at steel drum and rotor shaft core intersection and will
Steel drum is seamlessly connected together with rotor shaft core, and described dustproof cover one end is in contact with steel drum outer surface, and the dustproof cover is another
End is connected across steel cylinder outer surface with the first angular contact bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721698404.8U CN207508781U (en) | 2017-12-08 | 2017-12-08 | A kind of built-in dish sulphur broaching tool of high speed electric axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721698404.8U CN207508781U (en) | 2017-12-08 | 2017-12-08 | A kind of built-in dish sulphur broaching tool of high speed electric axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207508781U true CN207508781U (en) | 2018-06-19 |
Family
ID=62543454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721698404.8U Active CN207508781U (en) | 2017-12-08 | 2017-12-08 | A kind of built-in dish sulphur broaching tool of high speed electric axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207508781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231867A (en) * | 2021-05-14 | 2021-08-10 | 深圳市速锋科技股份有限公司 | Unclamping cylinder for electric spindle |
-
2017
- 2017-12-08 CN CN201721698404.8U patent/CN207508781U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231867A (en) * | 2021-05-14 | 2021-08-10 | 深圳市速锋科技股份有限公司 | Unclamping cylinder for electric spindle |
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