CN207480340U - A kind of inclined screw processing unit and process equipment - Google Patents
A kind of inclined screw processing unit and process equipment Download PDFInfo
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- CN207480340U CN207480340U CN201721460805.XU CN201721460805U CN207480340U CN 207480340 U CN207480340 U CN 207480340U CN 201721460805 U CN201721460805 U CN 201721460805U CN 207480340 U CN207480340 U CN 207480340U
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Abstract
The utility model is related to Precision Machining fields, disclose a kind of inclined screw processing unit and process equipment, wherein inclined screw processing unit includes shell, revolution stator, revolution rotor and driving device, wherein, revolve round the sun stator and cage connection, and revolution rotor is connect with driving device, so that driving device opposite can revolve round the sun, rotor revolves round the sun around a public axle center, driving device includes the drive shaft that rotation can occur around Pivot Point Center, and the rotation axle center of drive shaft is tilted with respect to the revolution axle center of driving device.Abrasive grain/cutting edge cutting speed will not be contacted close to zero region with workpiece material on cutter end face in the utility model, so as to solve the problems, such as the speed zero point in normal spiral grinding/milling.
Description
Technical field
The utility model is related to accurate machines to add field, is specifically related to screw processing field, more particularly, to a kind of oblique spiral shell
Rotation processing unit and process equipment.
Background technology
Helical milling is a more mature processing technology of development, cutter by rotation around Pivot Point Center, around public
Helical milling is realized in the revolution in axle center and the feeding of axis.However existing helical milling equipment existing defects：The prior art
The end face of middle cutter is parallel with the surface of workpiece to be processed and is bonded, therefore the central area of cutter can also participate in processing, and cutter
Central area cutting speed close to zero, be not that material is removed by way of cutting in this region of process, but logical
It crosses the mode squeezed and removes material, therefore processing quality is very poor while is also easily damaged cutter；In addition, cutter end face and workpiece
Surface fitting can also influence chip removal in process.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of inclined screw processing unit, to solve existing skill
The problems such as art processing quality is poor, cutter is fragile, chip removal is not smooth.
The invention also discloses a kind of inclined screw process equipments using above-mentioned inclined screw processing unit.
Technical solution is used by the utility model solves its technical problem：
A kind of inclined screw processes unit, including shell, revolution stator, revolution rotor and driving device, wherein, revolve round the sun stator
With cage connection, revolution rotor is connect with driving device, so that driving device opposite can revolve round the sun, rotor occurs around a public axle center
Revolution, driving device includes the drive shaft that rotation can occur around Pivot Point Center, and the rotation axle center of drive shaft is with respect to driving device
Revolution axle center tilt.
Mode is further improved as said program, further includes mounting base, the inner wall of mounting base and shell is rotatablely connected,
Revolution rotor is fixedly connected with mounting base, has inclined mounting hole in mounting base, the inclination angle of mounting hole be equal to rotation axle center and
Inclination angle between revolution axle center, driving device are fixed in mounting hole.
Be further improved mode as said program, further include socket the first sleeve inside the housing, shell it is interior
Wall is equipped with step, and the bottom for the stator that revolves round the sun is abutted with step, and the bottom of the first sleeve is abutted with the top for the stator that revolves round the sun.
As the mode that is further improved of said program, drive shaft can carry out ultrasonic vibration along the direction in rotation axle center.
As the mode that is further improved of said program, driving device is ultrasonic chief axis.
A kind of inclined screw process equipment processes unit including above-mentioned inclined screw.
Mode is further improved as said program, further includes rack, workbench, table rest and straight line module, work
Make pedestal to connect with rack, and can be rotated relative to rack around a horizontal rotating shaft, workbench is connect with table rest, and can be with respect to work
Make pedestal around a vertical shaft rotation, straight line module is connect with rack, and inclined screw processing unit can be by straight line module with respect to machine
Frame is vertically moved with horizontal direction.
A kind of inclined screw processing method, includes the following steps, cutter is made to be tilted with respect to the surface of workpiece to be processed, then
Cutter by rotation around Pivot Point Center, around the revolution in a public axle center and along public axis direction into giving on workpiece
Processing is portalled.
Mode is further improved as said program, after the deep processing to set depth in hole, makes cutter along hole
The length of radial feed setting, to process slot on workpiece.
As the mode that is further improved of said program, cutter persistently carries out in process along the direction in rotation axle center
Ultrasonic vibration.
The beneficial effects of the utility model are：
1st, due to the presence of V-arrangement ditch in W-shaped bottom hole, on the end face of cutter area of the abrasive grain/cutting edge cutting speed close to zero
Domain will not be contacted with workpiece material, so as to solve the problems, such as the speed zero point in normal spiral grinding/milling.
2nd, due to the presence in the V-arrangement space between V-arrangement ditch and cutter periphery and hole inner wall, chip can be relatively easy to
From machining area discharge, so as to be greatly reduced chip block the phenomenon that, reduce elaboration power, improve processing efficiency and
Improve cutter working life.
3rd, due to generation of abrasive grain/cutting edge periodically incision with cutting out effect, i.e. intermittent grinding/cutting phenomenon, therefore
It can promote the grain refined of abrasive dust/chip, be conducive to the discharge of abrasive dust/chip, while be also beneficial to grinding fluid and enter bottom surface to add
Work area domain reduces processing temperature.
4th, when processing through-hole, the cutter of swing can also carry out down work in exit, remaining so as to remove exit
Chip improves the processing quality in exit.
5th, in the preferred embodiment of the utility model, ultrasonic wave electro spindle is carried out by axial high-frequency vibration aid tool
Inclined screw trepanning is processed, and cutter inclined screw so that unidirectional ultrasound is all important in all directions, and super sonic propagation makes cutter table
Face each point moves back and forth to form a large amount of " file ", and inclined screw causes the direction for " filing " group constantly to change so that hole inner wall surface
More smooth, outlet is torn less, burr is few.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the stereoscopic schematic diagram of the utility model one embodiment；
Fig. 2 is the sectional view of the utility model one embodiment；
Fig. 3 is the stereoscopic schematic diagram of the utility model inclined screw process equipment one embodiment.
Specific embodiment
The technique effect of the design of the utility model, concrete structure and generation is carried out below with reference to embodiment and attached drawing
Clear, complete description, to be completely understood by the purpose of this utility model, scheme and effect.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can be combined with each other.
It should be noted that unless otherwise specified, when a certain feature is referred to as " fixing ", " connection " is in another feature,
It can directly fix, be connected in another feature, can also fix, be connected in another feature indirectly.In addition, this
The descriptions such as the up, down, left, right, before and after used in utility model are only relative to each composition portion of the utility model in attached drawing
For the mutual alignment relation divided.
In addition, unless otherwise defined, the technology of all of technologies and scientific terms used here by the article and the art
The normally understood meaning of personnel is identical.Term used in the description is intended merely to description specific embodiment herein, without
It is to limit the utility model.Term as used herein " and/or " appointing including one or more relevant Listed Items
The combination of meaning.
With reference to Fig. 1, Fig. 2, the stereoscopic schematic diagram and diagrammatic cross-section of the utility model one embodiment, figure are respectively illustrated
The internal structure of driving device is hidden in 2.As shown in the figure, inclined screw processing unit includes shell 110, revolution stator 120, revolution
Rotor 130, mounting base 140 and driving device 150.
Revolution stator 120 is fixedly connected with the outer wall of shell 110 to be connect, and preferred mounting means is：The inner wall of shell 110
Be equipped with step 111, along diagram direction, the inner diameter of more than 111 step be more than step below 111 on inner diameter, it is public
The bottom end for turning stator 120 is shelved on first step, carries out the positioning of lower section.
The top of revolution stator 120 is equipped with 160 and first sleeve 170 of second sleeve successively along direction straight up, the
The top of one sleeve 170 is equipped with step side, which abuts with the top end surface of shell 110.The bottom of first sleeve 170 with
The top of second sleeve 160 abuts, and the bottom of second sleeve 160 is abutted with the top for the stator 120 that revolves round the sun, fixed so as to fulfill revolution
The complete positioning of son 120, while also allow for the processing of shell 110 and the assembling of revolution stator 120.In addition it is also possible to it is first
Top of the bottom of sleeve 170 directly with the stator 120 that revolves round the sun abuts.
Mounting base 140 is mounted on the inside of shell 110, and shape is preferably the tubular knot of 110 internal cavity of matching can
Structure.Revolution rotor 130 be fixed on the outer wall of mounting base 140, in this way, after powered up mounting base 140 can with opposite shell 110 around
The axle center a that revolves round the sun is rotated.
Preferably, bearing 180 is equipped between mounting base 140 and shell 110, bearing 180 is separately positioned on mounting base 140
Upper and lower ends.
Mounting base 140 is internally provided with a through-hole, and the opposite revolution axle center a of axle center b of the through-hole have an inclination angle theta, inclination angle
Numerical value can adjust as needed °
Driving device 150 is fixedly mounted in the through-hole in mounting base 140, can be with 140 one of mounting base around revolution axle center a
Rotation.Driving device 150 has the drive shaft 151 that rotation can occur around Pivot Point Center, and drive shaft 151 and above-mentioned through-hole are coaxial,
That is the opposite revolution axle center a in rotation axle center of drive shaft 151 has identical inclination angle theta.
Based on above-mentioned, mounting base 140 drives driving device 150 to revolve round the sun, and driving device 150 is whole with respect to hollow shaft
Heart a is tilted, therefore cutter does circular cone swing, and the rotation and processing unit with reference to drive shaft are whole relative to the downward feeding of workpiece
Movement, it is approximately W-shaped blind hole, and ultimately form with certain depth that cutter will gradually form section-bottom on workpiece
Blind hole or through-hole.
The utility model has the following advantages：
1st, due to the presence of V-arrangement ditch in W-shaped bottom hole, on the end face of cutter area of the abrasive grain/cutting edge cutting speed close to zero
Domain will not be contacted with workpiece material, so as to solve the problems, such as the speed zero point in normal spiral grinding/milling.
2nd, due to the presence in the V-arrangement space between V-arrangement ditch and cutter periphery and hole inner wall, chip can be relatively easy to
From machining area discharge, so as to be greatly reduced chip block the phenomenon that, reduce elaboration power, improve processing efficiency and
Improve cutter working life.
3rd, due to generation of abrasive grain/cutting edge periodically incision with cutting out effect, i.e. intermittent grinding/cutting phenomenon, therefore
It can promote the grain refined of abrasive dust/chip, be conducive to the discharge of abrasive dust/chip, while be also beneficial to grinding fluid and enter bottom surface to add
Work area domain reduces processing temperature.
4th, when processing through-hole, the cutter of swing can also carry out down work in exit, remaining so as to remove exit
Chip improves the processing quality in exit.
In addition, the present embodiment driving device 150 can be considered as a part for rotor, i.e. driving device 150, mounting base
140th, revolution stator 120 collectively constitutes motor with revolution rotor 130, therefore the present embodiment need not set additional external power supply to drive
Cutter revolves round the sun, and so as to help to reduce the volume of processing unit, simplifies the structure of processing unit.
As the preferred embodiment of driving device in the utility model 150, driving device 150 uses electro spindle, electro spindle with
Well known technology may be used in above-mentioned revolution stator 120, revolution rotor 130, and the utility model is not especially limited this.
Preferably, drive shaft 151 can carry out ultrasonic vibration along the direction in rotation axle center, that is, realize ultrasonic wave added cutting power
Can, inclined screw trepanning processing is carried out by axial high-frequency vibration aid tool, cutter inclined screw causes unidirectional ultrasound each
Direction is all important, and super sonic propagation makes tool surface each point move back and forth to form a large amount of " file ", and inclined screw " to file " group
Direction constantly change so that hole inner wall surface is more smooth, outlet tear less, burr it is few.
In order to verify the superiority of ultrasonic wave added inclined screw trepanning processing method, the utility model carries out following test
Card, the workpiece material for testing selection is all carbon fibre reinforced composite, and Cutting and machining conditions are identical, as shown in table 1：
Table 1
| Cutter (hard alloy) | D=9.5mm, slotting cutter |
| Cutter rotary speed | 5000r·min-1 |
| Cutter revolution speed | 270r·min-1 |
| Feed speed | 25mm·min-1 |
| Bore dia | 12mm |
| Experiment number | 5 |
In this experiment, with common inclined screw trepanning the difference lies in：Cutter is applied in cutter axial direction ultrasonic vibration.It is super
Acoustic vibration processing conditions is as shown in table 2：
Table 2
| Frequency | 30kHz |
| Amplitude | 1.5μm |
It is obtained through experiment, inside surface roughness the mean value comparison such as the following table 3 in hole：
Table 3
| Method | Ra | RZ |
| Common inclined screw trepanning | 1.1μm | 7.3μm |
| Ultrasonic wave added inclined screw trepanning | 0.9μm | 5.6μm |
It is obtained through experiment, ingress edge tear region area the mean value comparison such as the following table 4 in hole：
Table 4
| Processing method | Ingress edge tears region area |
| Common inclined screw trepanning | 2.5mm2 |
| Ultrasonic wave added inclined screw trepanning | 1.1mm2 |
It is obtained through experiment, outlet edge tear region area the mean value comparison such as the following table 5 in hole：
Table 5
| Processing method | Outlet edge tears region area |
| Common inclined screw trepanning | 1.09mm2 |
| Ultrasonic wave added inclined screw trepanning | 0.43mm2 |
Identical Cutting and machining conditions are employed in this experiment, as shown in table 3 to 5, the utility model surpasses experimental result
The inner surface that sound auxiliary inclined screw trepanning processing unit (plant) can improve hole milling compared with common inclined screw trepanning processing unit (plant) is thick
Rugosity and hole enter, the tear of outlet edge, the phenomenon that reducing the layering that is generated in hole milling of carbon fibre composite and flash.Its
In, Ra is represented：Profile arithmetic average error, in the arithmetic mean of instantaneous value of sample length Internal periphery offset distance absolute value；Rz is represented：It is microcosmic
Ten point height of unevenness, the average value of five maximum profile peak heights and deep flat of five maximum profile paddy in sample length
The sum of mean value.The entering of hole, outlet edge tear region are measured using electron microscope.
Based on above-mentioned, preferably using ultrasonic chief axis, wherein ultrasonic chief axis may be used the driving device 150 of the utility model
Well known technology, meanwhile, the utility model does not limit the frequency range of ultrasonic vibration yet, only need to meet ultrasonic lubricating function i.e.
It can.
The invention also discloses a kind of inclined screw process equipments, with reference to Fig. 3, show that the utility model inclined screw adds
The stereoscopic schematic diagram of construction equipment one embodiment.As shown in the figure, inclined screw process equipment includes rack 200, workbench 300, work
Make pedestal 400, straight line module 500 and above-mentioned inclined screw processing unit 100.
Wherein table rest 400 is connect with rack 200, and can be turned with respect to rack 200 around a horizontal rotating shaft (being illustrated as Y-axis)
It is dynamic.Workbench 300 is connect with table rest 400, and can be relative to table rest 400 around vertical shaft (being illustrated as a Z axis) rotation.
Straight line module 500 is connect with rack 200, and inclined screw processing unit 100 can be driven vertically (to scheme with respect to rack 200
It is shown as Z axis) it is mobile with horizontal direction (being illustrated as X-axis, Y-axis), i.e., the process equipment in the present embodiment can realize that inclined screw adds
Movement in work order 100 5 degree of freedom of member.
The freedom of motion of inclined screw processing unit 100 can also increase and decrease as needed, and the utility model does not limit this
It is fixed.
In addition to above-mentioned fixed process equipment, the utility model can also use portable process equipment.
The invention also discloses a kind of inclined screw processing methods, include the following steps：First, make cutter is opposite to treat
The surface of workpieces processing tilts certain angle, then cutter is driven to occur around the rotation of Pivot Point Center, around a public axle center
Revolution and the feeding along public axis direction, blind hole or through-hole can be processed with reference to three kinds of movements on workpiece.
Further, the utility model further includes slotted processing method, reaches hole particular by above-mentioned steps and sets
Depthkeeping degree, the length that the radial feed for then driving cutter along hole is set, can process slot on workpiece.
Preferably, cutter can also persistently carry out ultrasonic vibration along the direction in rotation axle center in process, as above institute
It states, cutter inclined screw so that unidirectional ultrasound is all important in all directions, and super sonic propagation makes tool surface each point back and forth transport
Dynamic to form a large amount of " file ", inclined screw causes the direction for " filing " group constantly to change so that hole inner wall surface is more smooth, and outlet is torn
Split less, burr it is few.
It is that the preferable of the utility model is implemented to be illustrated, but the invention is not limited to the reality above
Example is applied, those skilled in the art can also make various equivalent variations without departing from the spirit of the present invention
Or replace, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (7)
1. a kind of inclined screw processes unit, which is characterized in that including shell, revolution stator, revolve round the sun rotor and driving device,
In, the revolution stator and the cage connection, the revolution rotor are connect with the driving device, so that the driving device
Can relatively described revolution rotor revolve round the sun around a public axle center, the driving device includes can be around Pivot Point Center generation rotation
Drive shaft, and the revolution axle center of the relatively described driving device in rotation axle center of the drive shaft tilts.
2. inclined screw according to claim 1 processes unit, which is characterized in that further include mounting base, the mounting base with
The inner wall rotation connection of the shell, the revolution rotor are fixedly connected with the mounting base, have in the mounting base and tilt
Mounting hole, the inclination angle of the mounting hole is equal to the inclination angle between the rotation axle center and the revolution axle center, the driving dress
It puts and is fixed in the mounting hole.
3. inclined screw according to claim 2 processes unit, which is characterized in that further includes and is socketed in the enclosure
First sleeve, the inner wall of the shell are equipped with step, and the bottom of the revolution stator is abutted with the step, the first set
The bottom of cylinder is abutted with the top of the revolution stator.
4. inclined screw according to any one of claim 1 to 3 processes unit, which is characterized in that the drive shaft can edge
The direction in the rotation axle center carries out ultrasonic vibration.
5. inclined screw according to claim 4 processes unit, which is characterized in that the driving device is ultrasonic chief axis.
6. a kind of inclined screw process equipment, which is characterized in that including the inclined screw processing described in any one of claim 1 to 5
Unit.
7. inclined screw process equipment according to claim 6, which is characterized in that further include rack, workbench, table rest
With straight line module, the table rest is connect with the rack, and can be rotated relative to the rack around a horizontal rotating shaft, the work
Make platform to connect with the table rest, and can be relative to the table rest around a vertical shaft rotation, the straight line module and institute
State rack connection, inclined screw processing unit can by the relatively described rack of the straight line module vertically with level side
To movement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460805.XU CN207480340U (en) | 2017-11-02 | 2017-11-02 | A kind of inclined screw processing unit and process equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460805.XU CN207480340U (en) | 2017-11-02 | 2017-11-02 | A kind of inclined screw processing unit and process equipment |
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| CN207480340U true CN207480340U (en) | 2018-06-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107932286A (en) * | 2017-11-02 | 2018-04-20 | 南方科技大学 | A kind of inclined screw processing unit, process equipment and processing method |
| CN111390251A (en) * | 2020-04-17 | 2020-07-10 | 哈尔滨创沃铭机电科技有限公司 | Inclination angle eccentric integrated precise hole milling device and hole milling method |
-
2017
- 2017-11-02 CN CN201721460805.XU patent/CN207480340U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107932286A (en) * | 2017-11-02 | 2018-04-20 | 南方科技大学 | A kind of inclined screw processing unit, process equipment and processing method |
| CN107932286B (en) * | 2017-11-02 | 2024-04-30 | 南方科技大学 | Oblique spiral processing unit, processing equipment and processing method |
| CN111390251A (en) * | 2020-04-17 | 2020-07-10 | 哈尔滨创沃铭机电科技有限公司 | Inclination angle eccentric integrated precise hole milling device and hole milling method |
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