CN207026496U - A kind of power spindle head device processed with milling or mill for boring - Google Patents
A kind of power spindle head device processed with milling or mill for boring Download PDFInfo
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- CN207026496U CN207026496U CN201721013605.XU CN201721013605U CN207026496U CN 207026496 U CN207026496 U CN 207026496U CN 201721013605 U CN201721013605 U CN 201721013605U CN 207026496 U CN207026496 U CN 207026496U
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- main shaft
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Abstract
A kind of power spindle head device processed with milling or mill for boring, including the mechanical main shaft with eccentric inner hole, mechanical main shaft connects armature spindle by end face bearing, torque motor for driving armature spindle to be rotated according to angle command is installed in the endoporus of mechanical main shaft, described armature spindle also has eccentric inner hole, armature spindle is fixedly connected with electro spindle by flange, armature spindle can change the relative distance of axis between electro spindle and mechanical main shaft under the driving of torque motor, then change the range of work；The end connection cutter or grinding tool of the electro spindle；The end of armature spindle, which is provided with, to fix the band-type brake of electro spindle position by it.The utility model is integrated with the advantage of precision optical machinery main shaft and high-speed electric main shaft, the axiality and circularity for ensureing part to be processed hole are moved using precision optical machinery main shaft low swivel feeding, high-speed cutting processing is realized using high-speed electric main shaft band cutter, it is compact-sized reasonable.
Description
Technical field
The utility model belongs to field of machining, and in particular to a kind of to be filled with milling or mill for the power spindle head of boring processing
Put, the processing with milling for boring and with mill for boring of the cylinder body that is particularly suitable for use in, the circular hole of connecting rod and other casings, taper hole, irregularly-shaped hole.
Background technology
The processing technology and crudy in part key hole directly affect the performance of parts, and boring and grinding are made
Many researchers concern is constantly subjected to for the critical process of hole machined.The bearing of the parts such as cylinder bore, tie rod holes and other casings
Hole, connecting hole etc. are typically in cylindrical hole, or inner cylinder is in step-like, and its critical process is frequently with boring technique.Traditional boring
Cut technique has the characteristics of slow-speed of revolution, low amount of feeding more, and particularly monodentate boring cutter is to carry out part with a processing mode for contact
Finishing, the defects of inefficient be present, and hole surface leaves the tool marks of feeding.And these traditional handicrafts are with equipping not
Suitable for the special-shaped hole machined of taper hole, the conical surface and other parts.In addition, for the change in size in workpiece aperture, factory needs to throw
Enter extra cutter and machine tool, add work flow and manipulation strength, so as to also reduce production efficiency.
Run into workpiece aperture it is larger when, if using the cutter or emery wheel workpieces processing endoporus of small diameter, cylindrical, it is justified
Circumferential direction generally use linear axis NC Interpolation mode, easily causes the problems such as circularity is not high, stepped hole axiality is not high.On
Link interpolation boring processing, is divided into two major classes by its implementation, one kind is numerical facing head, and another kind of is to carry radial compensation
The boring cutter of function.Often size is larger for numerical facing head, and easily causes unbalance dynamic, and process velocity is relatively low, is not suitable for height
Rotating speed is processed.Boring cutter with radial compensation function can cause machine driving due to the problem of Mechanism Clearance and elastic deformation being present
The loss of significance of part, compensation rate is unstable, and compensation range is smaller.Therefore, it is necessary to which studying new technological equipment meets adding for hole
Work requirement.
Especially, in the Excircle machining of large revolving body part, generally use lathe carries out cylindrical or outer cone and added
Work, cutter remains stationary as in process, and part carries out swivel feeding by main shaft, and processing efficiency is low and roughness is poor.Such as
Fruit, which runs into heavy parts, can cause clamping difficult, and part more large rotating inertia is also bigger, therefore cause part processing precision
It is low.
Utility model content
The purpose of this utility model is to be directed to above-mentioned the problems of the prior art, there is provided a kind of to be processed with milling or mill for boring
Power spindle head device, keep heavy parts it is fixed, by cutter carry out swivel feeding cutting, ensure radially, axle
While to high rigidity, reduce the radial and axial size of power spindle head, radial direction Adjustment precision is high, compact-sized reasonable.
To achieve these goals, the technical solution adopted in the utility model is：It is main including the machinery with eccentric inner hole
Axle, mechanical main shaft connect armature spindle by end face bearing, are provided with the endoporus of mechanical main shaft for being driven according to angle command
The torque motor that armature spindle is rotated, described armature spindle also have eccentric inner hole, and armature spindle is fixedly connected with electricity by flange
Main shaft, armature spindle can change the relative distance of axis between electro spindle and mechanical main shaft under the driving of torque motor, then
Change the range of work；The end connection cutter or grinding tool of the electro spindle；The end of armature spindle is provided with and can fixed by it
The band-type brake of electro spindle position.
Described mechanical main shaft is connected by screw main shaft extension, and band-type brake is arranged on inside main shaft extension.
Grating reading head is provided with inside described main shaft extension, the end set of armature spindle has Circular gratings chi；Described
The hydraulic circuit of connection band-type brake, hydraulic circuit connection hydraulic oil pipe are offered on armature spindle.
The first slip ring is installed in the outer end of the mechanical main shaft by slip ring spider, and the torque motor being connected with torque motor moves
Force signal line is converted to slip ring lead-out wire by the first slip ring；The inside of the main shaft extension is fixed with the second cunning by cover plate
Ring, grating signal line, electro spindle power signal line and hydraulic oil pipe are fixed with the second described slip ring.
Described mechanical main shaft is arranged on the inside of main spindle box by front end bearing group and rear end bearing group；Described main shaft
Case forms overall supporting box by cover board of front end and rear-end plate.Described armature spindle extends from cover board of front end, described
Main shaft extension and the contact site of rear-end plate be provided with first seal, the joining place of armature spindle and cover board of front end is provided with the
Two seals.
Described armature spindle is connected by turntable bearing with mechanical main shaft.
Described cutter uses any one in monodentate boring cutter, multiple tooth boring cutter, close tooth milling cutter or emery wheel.
Compared with prior art, the utility model has following beneficial effect：It is integrated with precision optical machinery main shaft and high speed
The advantage of electro spindle, the axiality and circularity for ensureing part to be processed hole are moved using precision optical machinery main shaft low swivel feeding,
High-speed cutting processing is realized using high-speed electric main shaft band cutter.The utility model is utilized with milling for boring and to grind for borer skill,
There is greater advantage in terms of the circular hole, taper hole, irregularly-shaped hole of processing cylinder bore, tie rod holes and other casings, and be applied to flange
The processing in face.The utility model can realize the high-speed cutting of part, reduce electro spindle power, and can extension lathe and cutter
The range of work, aperture size are not limited by tool dimension.Adjustment precision of the present utility model is high, compact-sized reasonable.
Further, the utility model uses multitoothed cutter high-speed cutting, compared to monodentate or few tooth boring cutter slow cutting
Mode, life-span of cutter can be extended, improve processing efficiency, overall reduction processing cost.
Brief description of the drawings
Fig. 1 overall structure diagrams of the present utility model；
Fig. 2 (a) is O0With O2Coordinate overlaps schematic diagram；
Fig. 2 (b) is armature spindle around O1O after rotation0With O2Coordinate is initially separated schematic diagram；
Fig. 2 (c) is armature spindle around O1O after rotating 90 degree0With O2Coordinate schematic diagram；
Fig. 2 (d) is armature spindle around O1O after rotation 180 degree0With O2Coordinate schematic diagram；
In accompanying drawing：1- cutters；2- electro spindles；3- armature spindles；4- cover board of front end；5- turntable bearings；6- mechanical main shafts；7- master
Axle box；8- front ends bearing group；9- torque motor rotors；10- torque motor stators；11- bearing adjusting sleeves；12- bearing sleeves；
13- main shaft extensions；14- band-type brakes；15- rear end bearing groups；16- grating reading heads；17- locking nuts；18- main spindle boxes adjust
Set；19- rear-end plates；20- slip ring spiders；The slip rings of 21- first；22- grating signal lines；23- electro spindle power signal lines；24-
Hydraulic oil pipe；25- cover plates；The slip rings of 26- second；27- slip ring lead-out wires；28- Circular gratings chis；29- first seals；30- hydraulic pressure
Oil circuit；31- torque motor power signal lines；32- second seals；13-1. main shaft extension screw threads；13-2. main shaft extension
Belt wheel.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, the utility model includes cutter 1, high-speed electric main shaft 2, armature spindle 3, cover board of front end in overall structure
4th, turntable bearing 5, mechanical main shaft 6, main spindle box 7, front end bearing group 8, torque motor rotor 9, torque motor stator 10, bearing are adjusted
The whole series 11, bearing sleeve 12, main shaft extension 13, band-type brake 14, rear end bearing group 15, grating reading head 16, locking nut 17, master
Axle box adjusting sleeve 18, rear-end plate 19, slip ring spider 20, the first slip ring 21, grating signal line 22, electro spindle power signal line
23rd, hydraulic oil pipe 24, cover plate 25, the second slip ring 26, slip ring lead-out wire 27, Circular gratings chi 28, first seal 29, hydraulic circuit
30th, torque motor power signal line 31 and second seal 32.Wherein, the endoporus of mechanical main shaft 6 is provided with torque motor and determined
Son 10 and torque motor rotor 9, electro spindle 2 is installed in armature spindle 3.
Electro spindle 2 is fixed on armature spindle 3 by flange, and the endoporus of armature spindle 3 is eccentric orfice.The front end of armature spindle 3 passes through end
Spherical bearing 5 is connected with mechanical main shaft 6, and the rear end of armature spindle 3 is connected with band-type brake 14, Circular gratings 28 and hydraulic oil pipe 24, the side of armature spindle 3
Hydraulic circuit 30 is offered on wall.Mechanical main shaft 6 is connected by screw with main shaft extension 13, and mechanical main shaft 6 passes through front end axle
Hold group 8, main shaft extension 13 is connected with main spindle box 7, and is installed in main spindle box 7 respectively by rear end bearing group 15, machinery master
The endoporus of axle 6 is eccentric orfice.Band-type brake 14 is internally provided with main shaft extension 13, band-type brake 14 is fixed on the rear end of armature spindle 3,
Band-type brake 14 can take two kinds of forms of radial direction band-type brake and axial band-type brake, and after pressure medium is passed through hydraulic circuit 30, band-type brake 14 is thin
Deformed at wall, hold the tumbler that gap coordinates therewith tightly.The front end of the inwall of main shaft extension 13 be provided with grating reading head 16, after
End is provided with slip ring 26, after its outer ring middle-end has screw thread 13-1, rear end to have belt wheel 13-2, locking nut 17 to be fixed by screw thread 13-1
The outermost end bearing inner race of end bearing group 15.First slip ring 21 is fixed on the outer ring of main shaft extension 13 by slip ring spider 20,
Torque motor power signal line 31 is converted to slip ring lead-out wire 27 by slip ring 21.Second slip ring 26 is fixed on master by cover plate 25
The endoporus of axle extension 13, grating signal line 22, electro spindle power signal line 23 and hydraulic oil pipe 24 are drawn by the second slip ring 26
Go out.Main spindle box 7 is directly connected to be formed the supported box of composite power main tapping with cover board of front end 4 and rear-end plate 19 by screw
Body, in order to prevent external agency from entering in main spindle box body, cover board of front end 4 and the contact site of armature spindle 3 are provided with second seal
32nd, the contact site of rear-end plate 19 and main shaft extension 13 is provided with first seal 29.
Fig. 2 (a)-Fig. 2 (d) gives the radial direction adjustment principle of the utility model Tool in Cutting point, the O in figure0It is machinery
The axle center coordinate of main shaft 6, O1It is the axle center coordinate of armature spindle 3, O2It is the axle center coordinate of cutter 1 and electro spindle 2.
In process, the mechanical main shaft 6 of the device drives whole drill head system around axle center O0Low speed rotation, electricity are main
Axle 2 is with cutter 1 around axle center O2Relatively high speed rotation, both associated movements complete cutting and feed motion.The device utilizes essence
Close mechanical main shaft low speed rotation feed motion ensures the axiality and circularity in part to be processed hole, utilizes high-speed electric main shaft band moving knife
Tool realizes high-speed cutting processing, and realizes with milling for boring or to grind for boring processing technology.Torque motor rotor 9 and torque motor are determined
Son 10 drives armature spindle 3 around axle center O according to angle command1Change the axis of electro spindle 2 in the eccentric orfice internal rotation of mechanical main shaft 6
With the relative distance of the axis of machine tool mechanical main shaft 6, the range of work of the radial direction of cutter 1 is adjusted with this.
Mechanical main shaft 6, torque motor rotor 9, torque motor stator 10 and electro spindle 2 carry out zero by continuously moving
Part taper hole, irregularly-shaped hole with milling for boring Compound Machining.Cutter 1 is replaced with emery wheel, it is possible to achieve to grind for boring processing technology.
For examples detailed above only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with technique
People is can to understand content of the present utility model and implement according to this, can not limit the scope of protection of the utility model with this.It is all
The equivalent transformation done according to the utility model Spirit Essence or modification, should all cover the scope of protection of the utility model it
It is interior.
Claims (8)
- A kind of 1. power spindle head device processed with milling or mill for boring, it is characterised in that：Including the machinery with eccentric inner hole Main shaft (6), mechanical main shaft (6) connect armature spindle (3) by end face bearing, are provided with the endoporus of mechanical main shaft (6) for root The torque motor rotated according to angle command driving armature spindle (3), described armature spindle (3) also have eccentric inner hole, rotor Axle (3) is fixedly connected with electro spindle (2) by flange, armature spindle (3) can change under the driving of torque motor electro spindle (2) with The relative distance of axis, then changes the range of work between mechanical main shaft (6)；The electro spindle (2) end connection cutter or Person's grinding tool；The end of armature spindle (3), which is provided with, to fix the band-type brake (14) of electro spindle (2) position by it.
- 2. the power spindle head device processed according to claim 1 with milling or mill for boring, it is characterised in that：Described machinery Main shaft (6) is connected by screw main shaft extension (13), and it is internal that band-type brake (14) is arranged on main shaft extension (13).
- 3. the power spindle head device processed according to claim 2 with milling or mill for boring, it is characterised in that：Described main shaft Grating reading head (16) is provided with inside extension (13), the end set of armature spindle (3) has Circular gratings chi (28)；Described rotor The hydraulic circuit (30) of connection band-type brake (14), hydraulic circuit (30) connection hydraulic oil pipe (24) are offered on axle (3).
- 4. the power spindle head device processed according to claim 3 with milling or mill for boring, it is characterised in that：The machinery is main The outer end of axle (6) the first slip ring (21), the torque motor power signal being connected with torque motor are installed by slip ring spider (20) Line (31) is converted to slip ring lead-out wire (27) by the first slip ring (21)；The inside of the main shaft extension (13) is fixed with the second slip ring (26), described the second slip ring (26) by cover plate (25) On be fixed with grating signal line (22), electro spindle power signal line (23) and hydraulic oil pipe (24).
- 5. the power spindle head device processed according to claim 2 with milling or mill for boring, it is characterised in that：Described machinery Main shaft (6) is arranged on the inside of main spindle box (7) by front end bearing group (8) and rear end bearing group (15)；Described main spindle box (7) Overall supporting box is formed by cover board of front end (4) and rear-end plate (19).
- 6. the power spindle head device processed according to claim 5 with milling or mill for boring, it is characterised in that：Described rotor Axle (3) extends from cover board of front end (4), and the contact site of described main shaft extension (13) and rear-end plate (19) is provided with the One seal (29), armature spindle (3) and the joining place of cover board of front end (4) are provided with second seal (32).
- 7. the power spindle head device processed according to claim 1 with milling or mill for boring, it is characterised in that：Described rotor Axle (3) is connected by turntable bearing (5) with mechanical main shaft (6).
- 8. the power spindle head device processed according to claim 1 with milling or mill for boring, it is characterised in that：Described cutter Using any one in monodentate boring cutter, multiple tooth boring cutter, close tooth milling cutter and emery wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721013605.XU CN207026496U (en) | 2017-08-14 | 2017-08-14 | A kind of power spindle head device processed with milling or mill for boring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721013605.XU CN207026496U (en) | 2017-08-14 | 2017-08-14 | A kind of power spindle head device processed with milling or mill for boring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207026496U true CN207026496U (en) | 2018-02-23 |
Family
ID=61486664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721013605.XU Active CN207026496U (en) | 2017-08-14 | 2017-08-14 | A kind of power spindle head device processed with milling or mill for boring |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581484A (en) * | 2018-05-07 | 2018-09-28 | 西安交通大学 | A kind of boring and milling honing combined machining method and machining tool for hole machined |
| CN112192295A (en) * | 2020-09-27 | 2021-01-08 | 泉州市井贺精密设备有限公司 | Tool turret long in service life |
| CN112975471A (en) * | 2021-05-20 | 2021-06-18 | 沈阳马卡智工科技有限公司 | Axial band-type brake device applied to narrow space |
| CN113231863A (en) * | 2021-04-16 | 2021-08-10 | 广州市昊志机电股份有限公司 | Electric spindle boring cutter connecting structure, electric spindle and machine tool |
| CN116038039A (en) * | 2023-03-27 | 2023-05-02 | 湖南中大创远数控装备有限公司 | Gear processing machine tool with unloading device |
-
2017
- 2017-08-14 CN CN201721013605.XU patent/CN207026496U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581484A (en) * | 2018-05-07 | 2018-09-28 | 西安交通大学 | A kind of boring and milling honing combined machining method and machining tool for hole machined |
| CN112192295A (en) * | 2020-09-27 | 2021-01-08 | 泉州市井贺精密设备有限公司 | Tool turret long in service life |
| CN112192295B (en) * | 2020-09-27 | 2022-07-12 | 泉州市井贺精密设备有限公司 | Tool turret long in service life |
| CN113231863A (en) * | 2021-04-16 | 2021-08-10 | 广州市昊志机电股份有限公司 | Electric spindle boring cutter connecting structure, electric spindle and machine tool |
| CN112975471A (en) * | 2021-05-20 | 2021-06-18 | 沈阳马卡智工科技有限公司 | Axial band-type brake device applied to narrow space |
| CN116038039A (en) * | 2023-03-27 | 2023-05-02 | 湖南中大创远数控装备有限公司 | Gear processing machine tool with unloading device |
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