CN107414567A - A kind of machining center high-precision main shaft - Google Patents
A kind of machining center high-precision main shaft Download PDFInfo
- Publication number
- CN107414567A CN107414567A CN201710668145.2A CN201710668145A CN107414567A CN 107414567 A CN107414567 A CN 107414567A CN 201710668145 A CN201710668145 A CN 201710668145A CN 107414567 A CN107414567 A CN 107414567A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- main shaft
- broaching tool
- mandrel
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012634 fragment Substances 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 238000003754 machining Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/043—Accessories for spindle drives
Abstract
A kind of machining center high-precision main shaft, it is related to a kind of machining parts, and in particular to a kind of machining center high-precision main shaft.It includes sleeve, mandrel, angular contact bearing, primary shaft belt pulley, bearing cap, stripper loop, water jacket, broaching tool clamping jaw, broaching tool group, dust cap, butterfly-type shell fragment, expansion sleeve, type circle, locking nut；Bearing cap is equipped with left and right sides of sleeve, water jacket is arranged at the top of sleeve, and dust cap is arranged at the bottom of sleeve；Angular contact bearing is provided with the inside of sleeve, stripper loop is provided between front and rear angular contact bearing；Mandrel is arranged at the center of sleeve, is provided with broaching tool clamping jaw in mandrel, is connected to broaching tool clamping jaw and is provided with broaching tool group, the exterior measuring of broaching tool group is provided with butterfly-type shell fragment, and O-ring is arranged at the front and back position of butterfly-type shell fragment；Primary shaft belt pulley is provided with the outside of mandrel, expansion sleeve is arranged in primary shaft belt pulley；After adopting the above technical scheme, the present invention has the beneficial effect that：Its machining accuracy is high, and rigidity is good, and rotating speed is high, and long lifespan, temperature rise is small, and noise is small, it is possible to increase processing efficiency, improves product quality and production efficiency.
Description
Technical field
The present invention relates to one kind to be machined parts, and in particular to a kind of machining center high-precision main shaft.
Background technology
Main shaft is one of power assisted gearshift device main shaft assembly strength member, for accommodating mandrel assembly and other parts, is passed through
The axial bidirectional-movement of main shaft, realize that power assisted gearshift acts, main shaft precision is low in the prior art, poor rigidity, rotating speed are low, the life-span
It is short, heating is big, noise is big, it is impossible to ensure the efficiency of Product processing well.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of machining center high-precision main shaft.
Its machining accuracy is high, and rigidity is good, and rotating speed is high, and long lifespan, temperature rise is small, and noise is small, it is possible to increase processing efficiency, improves product matter
Amount and production efficiency.
To achieve the above object, the present invention is using following technical scheme：It includes sleeve, mandrel, angular contact bearing, master
Shaft pulley, bearing cap, stripper loop, water jacket, broaching tool clamping jaw, broaching tool group, dust cap, butterfly-type shell fragment, expansion sleeve, O-ring, locking screw
It is female；Bearing cap is equipped with left and right sides of sleeve, water jacket is arranged at the top of sleeve, and dust cap is arranged at the bottom of sleeve；Set
Cylinder inner side is provided with angular contact bearing, and stripper loop is provided between front and rear angular contact bearing；Mandrel is arranged at the center of sleeve,
Broaching tool clamping jaw is provided with mandrel, broaching tool clamping jaw is connected to and is provided with broaching tool group, the exterior measuring of broaching tool group is provided with butterfly-type shell fragment, O shapes
Circle is arranged at the front and back position of butterfly-type shell fragment；Primary shaft belt pulley is provided with the outside of mandrel, expansion sleeve is arranged in primary shaft belt pulley；Locking screw
Mother is arranged on the bearing cap of sleeve afterbody.
Axis connection fixing hole is provided with described sleeve.Axis connection fixing hole can be used for position of the fixed main shaft in machine
Put.
Screw hole is provided with described bearing cap.Screw hole can be used for device in locking nut lock shaft, fixing axle
Position, ensure machining accuracy.
Fixing bolt is provided with described bearing cap.Fixing bolt can be used for the one end for fixing tail bearing lid.
Described bearing cap includes preceding gland, axle tail-hood.Axially position available for bearing.
Described stripper loop includes front split ring, rear split ring, outer spacer ring, inner split ring, and front split ring, rear split ring are arranged on corner connection
The left and right sides of contact bearing, outer spacer ring, inner split ring are arranged on the centre of angular contact bearing.It is front split ring, rear split ring, outer spacer ring, interior
Spacer ring is used to bear two-way axial force.
Labyrinth ring is provided between described stripper loop and bearing cap.Labyrinth ring can be used for reduction pollutant to enter in axle, reach
To sealing effectiveness.
The operation principle of the present invention：The present invention uses new main axle structure, and employs new parts.Wherein stripper loop
Two-way axial force can be born, alleviates the pressure of main shaft；Broaching tool clamping jaw can ensure broaching tool group normal operation not speed skate；Main shaft
By the way of expansion sleeve fixation, circular runout of the main shaft in running in itself is allowed significantly to reduce；Butterfly-type shell fragment is used for main shaft
Strength buffering during processing, reaches effectiveness in vibration suppression；Outer ring is skidded when O-ring can place spindle operation, and these new structures are significantly
The machining accuracy for improving main shaft.
After adopting the above technical scheme, the present invention has the beneficial effect that：Its machining accuracy is high, and rigidity is good, and rotating speed is high, the life-span
Long, temperature rise is small, and noise is small, it is possible to increase processing efficiency, improves product quality and production efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the cross-sectional view of the present invention;
Fig. 2 is the A of corresponding diagram 1 to top view.
Description of reference numerals：Sleeve 1, mandrel 2, angular contact bearing 3, primary shaft belt pulley 4, bearing cap 5, stripper loop 6, water jacket 7,
Broaching tool clamping jaw 8, broaching tool group 9, dust cap 10, butterfly-type shell fragment 11, expansion sleeve 12, O-ring 13, locking nut 14, axis connection are fixed
Hole 1-1, screw hole 5-1, fixing bolt 5-2, front split ring 6-1, rear split ring 6-2, outer spacer ring 6-3, inner split ring 6-4, labyrinth ring 6-
5。
Embodiment
Referring to shown in Fig. 1-Fig. 2, the technical scheme that present embodiment uses is：It includes sleeve 1, mandrel 2, angle
Contact bearing 3, primary shaft belt pulley 4, bearing cap 5, stripper loop 6, water jacket 7, broaching tool clamping jaw 8, broaching tool group 9, dust cap 10, butterfly-type shell fragment
11st, expansion sleeve 12, O-ring 13, locking nut 14；The left and right sides of sleeve 1 is equipped with bearing cap 5, and water jacket 7 is arranged at sleeve 1
Top, dust cap 10 is arranged at the bottom of sleeve 1；The inner side of sleeve 1 is provided with angular contact bearing 3, front and rear angular contact bearing 3
Between be provided with stripper loop 6；Mandrel 2 is arranged at the center of sleeve 1, is provided with broaching tool clamping jaw 8 in mandrel 2, is connected to broaching tool clamping jaw 8
Broaching tool group 9 is provided with, the exterior measuring of broaching tool group 9 is provided with butterfly-type shell fragment 12, and O-ring 13 is arranged at the anteroposterior position of butterfly-type shell fragment 11
Put；The outside of mandrel 2 is provided with primary shaft belt pulley 4, and expansion sleeve 12 is arranged in primary shaft belt pulley；Locking nut 14 is arranged at the afterbody of sleeve 1
Bearing cap 5 on.
Axis connection fixing hole 1-1 is provided with described sleeve 1.Axis connection fixing hole 1-1 can be used for fixed main shaft in machine
Position in device.
Screw hole 5-1 is provided with described bearing cap 5.Screw hole 5-1 can be used for device in the lock shaft of locking nut 14,
The position of fixing axle, ensure machining accuracy.
Fixing bolt 5-2 is provided with described bearing cap 5.Fixing bolt 5-2 can be used for fixing the one of tail bearing lid
End.
Described bearing cap 5 includes preceding gland 5-3, axle tail-hood 5-4.Axially position available for bearing.
Described stripper loop 6 include front split ring 6-1, rear split ring 6-2, outer spacer ring 6-3, inner split ring 6-4, front split ring 6-1,
Rear split ring 6-2 is arranged on the left and right sides of angular contact bearing 3, and outer spacer ring 6-3, inner split ring 6-4 are arranged in angular contact bearing 3
Between.Front split ring 6-1, rear split ring 6-2, outer spacer ring 6-3, inner split ring 6-4 are used to bear two-way axial force.
Labyrinth ring 6-5 is provided between described stripper loop 6 and bearing cap 5.Labyrinth ring 6-5 can be used for reducing pollutant entrance
In axle, reach sealing effectiveness.
The operation principle of the present invention：The present invention uses new main axle structure, new processing technology, has main shaft following excellent
Point：Main shaft can keep running at high precision at work, and circular runout, axial runout are respectively less than 2 μm during operating.New main axle structure
New spindle material is also used, makes main shaft that there is higher dynamic and static rigidity.And the highest running speed of main shaft can reach
24000rpm.During work, the lifting range of temperature is no more than 15 DEG C, and noise is no more than 75 decibels.After improvement, the life-span of axle also can
Maintain more than 3 years.
After adopting the above technical scheme, the present invention has the beneficial effect that：Its machining accuracy is high, and rigidity is good, and rotating speed is high, the life-span
Long, temperature rise is small, and noise is small, it is possible to increase processing efficiency, improves product quality and production efficiency.For new processing technology, make
Main shaft has advantages below：Main shaft can keep running at high precision at work, and circular runout, axial runout are respectively less than 2 μ during operating
m.New structure also uses new spindle material, main shaft is had higher dynamic and static rigidity.And the highest running speed of main shaft
24000rpm can be reached.During work, the lifting range of temperature is no more than 15 DEG C, and noise is no more than 75 decibels.After improvement, the longevity of axle
Life can also maintain more than 3 years.
It is described above, it is merely illustrative of the technical solution of the present invention and unrestricted, those of ordinary skill in the art are to this hair
The other modifications or equivalent substitution that bright technical scheme is made, without departing from the spirit and scope of technical solution of the present invention,
It all should cover among scope of the presently claimed invention.
Claims (7)
- A kind of 1. machining center high-precision main shaft, it is characterised in that：It include sleeve (1), mandrel (2), angular contact bearing (3), Primary shaft belt pulley (4), bearing cap (5), stripper loop (6), water jacket (7), broaching tool clamping jaw (8), broaching tool group (9), dust cap (10), butterfly-type Shell fragment (11), expansion sleeve (12), O-ring (13), locking nut (14)；Bearing cap (5) is equipped with left and right sides of sleeve (1), Water jacket (7) is arranged at the top of sleeve (1), and dust cap (10) is arranged at the bottom of sleeve (1)；Angle is provided with the inside of sleeve (1) Contact bearing (3), stripper loop (6) is provided between front and rear angular contact bearing (3)；Mandrel (2) is arranged in sleeve (1) The heart, mandrel (2) is interior to be provided with broaching tool clamping jaw (8), is connected to broaching tool clamping jaw (8) and is provided with broaching tool group (9), the exterior measuring of broaching tool group (9) Butterfly-type shell fragment (12) is provided with, O-ring (13) is arranged at the front and back position of butterfly-type shell fragment (11)；Main shaft is provided with the outside of mandrel (2) Belt wheel (4), expansion sleeve (12) are arranged in primary shaft belt pulley；Locking nut (14) is arranged at the bearing cap (5) of sleeve (1) afterbody On.
- A kind of 2. machining center high-precision main shaft according to claim 1, it is characterised in that：Sleeve is provided with axle on (1) Be connected hole (1-1).
- A kind of 3. machining center high-precision main shaft according to claim 1, it is characterised in that：Bearing cap is provided with (5) Screw hole (5-1).
- A kind of 4. machining center high-precision main shaft according to claim 1, it is characterised in that：Bearing cap is provided with (5) Fixing bolt (5-2).
- A kind of 5. machining center high-precision main shaft according to claim 1, it is characterised in that：Bearing cap (5) includes preceding press Cover (5-3), axle tail-hood (5-4).
- A kind of 6. machining center high-precision main shaft according to claim 1, it is characterised in that：Stripper loop (6) include it is preceding every Ring (6-1), rear split ring (6-2), outer spacer ring (6-3), inner split ring (6-4)；Front split ring (6-1), rear split ring (6-2) are arranged on corner connection The left and right sides of contact bearing (3), outer spacer ring (6-3), inner split ring (6-4) are arranged on the centre of angular contact bearing (3).
- A kind of 7. machining center high-precision main shaft according to claim 1, it is characterised in that：Stripper loop (6) and bearing cap (5) labyrinth ring (6-5) is provided between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710668145.2A CN107414567A (en) | 2017-08-07 | 2017-08-07 | A kind of machining center high-precision main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710668145.2A CN107414567A (en) | 2017-08-07 | 2017-08-07 | A kind of machining center high-precision main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107414567A true CN107414567A (en) | 2017-12-01 |
Family
ID=60437378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710668145.2A Pending CN107414567A (en) | 2017-08-07 | 2017-08-07 | A kind of machining center high-precision main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107414567A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910031A (en) * | 2021-09-26 | 2022-01-11 | 宇环数控机床股份有限公司 | Double-ended grinding machine |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1410665A (en) * | 1971-11-11 | 1975-10-22 | Deckel Ag Friedrich | Spindle arrangement for machine tools |
| TWM241156U (en) * | 2003-07-01 | 2004-08-21 | Microlab Prec Technology Co Lt | Tool clamping mechanism for main spindle |
| CN201558962U (en) * | 2009-11-09 | 2010-08-25 | 杭州盛华机械有限公司 | Vertical machining center spindle mechanism |
| CN102248186A (en) * | 2011-07-12 | 2011-11-23 | 浙江江南数控机床有限公司 | Main shaft for machining center machine |
| CN102962480A (en) * | 2012-11-06 | 2013-03-13 | 广州市昊志机电股份有限公司 | Belt spindle of machine tool |
| CN203664696U (en) * | 2014-02-05 | 2014-06-25 | 梁兴 | Hollow cooling processing center mechanical spindle |
| CN103878397A (en) * | 2014-04-03 | 2014-06-25 | 上海克迈特精密机床有限公司 | High-speed high-precision mechanical main shaft |
| CN204171764U (en) * | 2014-09-16 | 2015-02-25 | 宁波海天精工股份有限公司 | A kind of automatic Extension Head with hydraulic pressure knife machining mechanism |
| CN104942313A (en) * | 2015-06-30 | 2015-09-30 | 江苏元利数控机床有限公司 | Mechanism for main shaft high-speed operation and assembling method and using method thereof |
| CN204747524U (en) * | 2015-06-30 | 2015-11-11 | 江苏元利数控机床有限公司 | Be applied to high -speed moving mechanism of main shaft |
| CN206123270U (en) * | 2016-11-07 | 2017-04-26 | 红河学院 | Vertical machining center cutter main shaft structure |
| CN207255790U (en) * | 2017-08-07 | 2018-04-20 | 江苏思维福特机械科技股份有限公司 | A kind of machining center high-precision main shaft |
-
2017
- 2017-08-07 CN CN201710668145.2A patent/CN107414567A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1410665A (en) * | 1971-11-11 | 1975-10-22 | Deckel Ag Friedrich | Spindle arrangement for machine tools |
| TWM241156U (en) * | 2003-07-01 | 2004-08-21 | Microlab Prec Technology Co Lt | Tool clamping mechanism for main spindle |
| CN201558962U (en) * | 2009-11-09 | 2010-08-25 | 杭州盛华机械有限公司 | Vertical machining center spindle mechanism |
| CN102248186A (en) * | 2011-07-12 | 2011-11-23 | 浙江江南数控机床有限公司 | Main shaft for machining center machine |
| CN102962480A (en) * | 2012-11-06 | 2013-03-13 | 广州市昊志机电股份有限公司 | Belt spindle of machine tool |
| CN203664696U (en) * | 2014-02-05 | 2014-06-25 | 梁兴 | Hollow cooling processing center mechanical spindle |
| CN103878397A (en) * | 2014-04-03 | 2014-06-25 | 上海克迈特精密机床有限公司 | High-speed high-precision mechanical main shaft |
| CN204171764U (en) * | 2014-09-16 | 2015-02-25 | 宁波海天精工股份有限公司 | A kind of automatic Extension Head with hydraulic pressure knife machining mechanism |
| CN104942313A (en) * | 2015-06-30 | 2015-09-30 | 江苏元利数控机床有限公司 | Mechanism for main shaft high-speed operation and assembling method and using method thereof |
| CN204747524U (en) * | 2015-06-30 | 2015-11-11 | 江苏元利数控机床有限公司 | Be applied to high -speed moving mechanism of main shaft |
| CN206123270U (en) * | 2016-11-07 | 2017-04-26 | 红河学院 | Vertical machining center cutter main shaft structure |
| CN207255790U (en) * | 2017-08-07 | 2018-04-20 | 江苏思维福特机械科技股份有限公司 | A kind of machining center high-precision main shaft |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910031A (en) * | 2021-09-26 | 2022-01-11 | 宇环数控机床股份有限公司 | Double-ended grinding machine |
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